bnx2x_link.c 388 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  128. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  129. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  130. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  131. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  132. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  133. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  134. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  137. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  138. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  139. #define SFP_EEPROM_OPTIONS_SIZE 2
  140. #define EDC_MODE_LINEAR 0x0022
  141. #define EDC_MODE_LIMITING 0x0044
  142. #define EDC_MODE_PASSIVE_DAC 0x0055
  143. /* BRB default for class 0 E2 */
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  148. /* BRB thresholds for E2*/
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  157. /* BRB default for class 0 E3A0 */
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  162. /* BRB thresholds for E3A0 */
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  171. /* BRB default for E3B0 */
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  176. /* BRB thresholds for E3B0 2 port mode*/
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  185. /* only for E3B0*/
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  188. /* Lossy +Lossless GUARANTIED == GUART */
  189. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  190. /* Lossless +Lossless*/
  191. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  192. /* Lossy +Lossy*/
  193. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  194. /* Lossy +Lossless*/
  195. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  196. /* Lossless +Lossless*/
  197. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  198. /* Lossy +Lossy*/
  199. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  200. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  203. /* BRB thresholds for E3B0 4 port mode */
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  212. /* only for E3B0*/
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  215. #define PFC_E3B0_4P_LB_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  220. /* Pause defines*/
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  223. #define DEFAULT_E3B0_LB_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  228. /* ETS defines*/
  229. #define DCBX_INVALID_COS (0xFF)
  230. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  231. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  234. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  235. #define MAX_PACKET_SIZE (9700)
  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, 2000);
  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_4_10) &&
  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, 2000);
  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, 2000);
  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. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1504. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1505. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1506. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1507. } else {
  1508. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1509. }
  1510. /* Enable TX and RX */
  1511. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1512. /* Check loopback mode */
  1513. if (lb)
  1514. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1515. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1516. bnx2x_set_xumac_nig(params,
  1517. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1518. vars->mac_type = MAC_TYPE_XMAC;
  1519. return 0;
  1520. }
  1521. static int bnx2x_emac_enable(struct link_params *params,
  1522. struct link_vars *vars, u8 lb)
  1523. {
  1524. struct bnx2x *bp = params->bp;
  1525. u8 port = params->port;
  1526. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1527. u32 val;
  1528. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1529. /* Disable BMAC */
  1530. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1531. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1532. /* enable emac and not bmac */
  1533. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1534. /* ASIC */
  1535. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1536. u32 ser_lane = ((params->lane_config &
  1537. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1538. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1539. DP(NETIF_MSG_LINK, "XGXS\n");
  1540. /* select the master lanes (out of 0-3) */
  1541. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1542. /* select XGXS */
  1543. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1544. } else { /* SerDes */
  1545. DP(NETIF_MSG_LINK, "SerDes\n");
  1546. /* select SerDes */
  1547. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1548. }
  1549. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1550. EMAC_RX_MODE_RESET);
  1551. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1552. EMAC_TX_MODE_RESET);
  1553. /* pause enable/disable */
  1554. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1555. EMAC_RX_MODE_FLOW_EN);
  1556. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1557. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1558. EMAC_TX_MODE_FLOW_EN));
  1559. if (!(params->feature_config_flags &
  1560. FEATURE_CONFIG_PFC_ENABLED)) {
  1561. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1562. bnx2x_bits_en(bp, emac_base +
  1563. EMAC_REG_EMAC_RX_MODE,
  1564. EMAC_RX_MODE_FLOW_EN);
  1565. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1566. bnx2x_bits_en(bp, emac_base +
  1567. EMAC_REG_EMAC_TX_MODE,
  1568. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1569. EMAC_TX_MODE_FLOW_EN));
  1570. } else
  1571. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1572. EMAC_TX_MODE_FLOW_EN);
  1573. /* KEEP_VLAN_TAG, promiscuous */
  1574. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1575. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1576. /* Setting this bit causes MAC control frames (except for pause
  1577. * frames) to be passed on for processing. This setting has no
  1578. * affect on the operation of the pause frames. This bit effects
  1579. * all packets regardless of RX Parser packet sorting logic.
  1580. * Turn the PFC off to make sure we are in Xon state before
  1581. * enabling it.
  1582. */
  1583. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1584. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1585. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1586. /* Enable PFC again */
  1587. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1588. EMAC_REG_RX_PFC_MODE_RX_EN |
  1589. EMAC_REG_RX_PFC_MODE_TX_EN |
  1590. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1591. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1592. ((0x0101 <<
  1593. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1594. (0x00ff <<
  1595. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1596. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1597. }
  1598. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1599. /* Set Loopback */
  1600. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1601. if (lb)
  1602. val |= 0x810;
  1603. else
  1604. val &= ~0x810;
  1605. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1606. /* Enable emac */
  1607. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1608. /* Enable emac for jumbo packets */
  1609. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1610. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1611. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1612. /* Strip CRC */
  1613. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1614. /* Disable the NIG in/out to the bmac */
  1615. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1616. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1617. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1618. /* Enable the NIG in/out to the emac */
  1619. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1620. val = 0;
  1621. if ((params->feature_config_flags &
  1622. FEATURE_CONFIG_PFC_ENABLED) ||
  1623. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1624. val = 1;
  1625. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1626. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1627. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1628. vars->mac_type = MAC_TYPE_EMAC;
  1629. return 0;
  1630. }
  1631. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1632. struct link_vars *vars)
  1633. {
  1634. u32 wb_data[2];
  1635. struct bnx2x *bp = params->bp;
  1636. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1637. NIG_REG_INGRESS_BMAC0_MEM;
  1638. u32 val = 0x14;
  1639. if ((!(params->feature_config_flags &
  1640. FEATURE_CONFIG_PFC_ENABLED)) &&
  1641. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1642. /* Enable BigMAC to react on received Pause packets */
  1643. val |= (1<<5);
  1644. wb_data[0] = val;
  1645. wb_data[1] = 0;
  1646. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1647. /* TX control */
  1648. val = 0xc0;
  1649. if (!(params->feature_config_flags &
  1650. FEATURE_CONFIG_PFC_ENABLED) &&
  1651. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1652. val |= 0x800000;
  1653. wb_data[0] = val;
  1654. wb_data[1] = 0;
  1655. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1656. }
  1657. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1658. struct link_vars *vars,
  1659. u8 is_lb)
  1660. {
  1661. /* Set rx control: Strip CRC and enable BigMAC to relay
  1662. * control packets to the system as well
  1663. */
  1664. u32 wb_data[2];
  1665. struct bnx2x *bp = params->bp;
  1666. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1667. NIG_REG_INGRESS_BMAC0_MEM;
  1668. u32 val = 0x14;
  1669. if ((!(params->feature_config_flags &
  1670. FEATURE_CONFIG_PFC_ENABLED)) &&
  1671. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1672. /* Enable BigMAC to react on received Pause packets */
  1673. val |= (1<<5);
  1674. wb_data[0] = val;
  1675. wb_data[1] = 0;
  1676. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1677. udelay(30);
  1678. /* Tx control */
  1679. val = 0xc0;
  1680. if (!(params->feature_config_flags &
  1681. FEATURE_CONFIG_PFC_ENABLED) &&
  1682. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1683. val |= 0x800000;
  1684. wb_data[0] = val;
  1685. wb_data[1] = 0;
  1686. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1687. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1688. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1689. /* Enable PFC RX & TX & STATS and set 8 COS */
  1690. wb_data[0] = 0x0;
  1691. wb_data[0] |= (1<<0); /* RX */
  1692. wb_data[0] |= (1<<1); /* TX */
  1693. wb_data[0] |= (1<<2); /* Force initial Xon */
  1694. wb_data[0] |= (1<<3); /* 8 cos */
  1695. wb_data[0] |= (1<<5); /* STATS */
  1696. wb_data[1] = 0;
  1697. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1698. wb_data, 2);
  1699. /* Clear the force Xon */
  1700. wb_data[0] &= ~(1<<2);
  1701. } else {
  1702. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1703. /* Disable PFC RX & TX & STATS and set 8 COS */
  1704. wb_data[0] = 0x8;
  1705. wb_data[1] = 0;
  1706. }
  1707. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1708. /* Set Time (based unit is 512 bit time) between automatic
  1709. * re-sending of PP packets amd enable automatic re-send of
  1710. * Per-Priroity Packet as long as pp_gen is asserted and
  1711. * pp_disable is low.
  1712. */
  1713. val = 0x8000;
  1714. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1715. val |= (1<<16); /* enable automatic re-send */
  1716. wb_data[0] = val;
  1717. wb_data[1] = 0;
  1718. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1719. wb_data, 2);
  1720. /* mac control */
  1721. val = 0x3; /* Enable RX and TX */
  1722. if (is_lb) {
  1723. val |= 0x4; /* Local loopback */
  1724. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1725. }
  1726. /* When PFC enabled, Pass pause frames towards the NIG. */
  1727. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1728. val |= ((1<<6)|(1<<5));
  1729. wb_data[0] = val;
  1730. wb_data[1] = 0;
  1731. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1732. }
  1733. /* PFC BRB internal port configuration params */
  1734. struct bnx2x_pfc_brb_threshold_val {
  1735. u32 pause_xoff;
  1736. u32 pause_xon;
  1737. u32 full_xoff;
  1738. u32 full_xon;
  1739. };
  1740. struct bnx2x_pfc_brb_e3b0_val {
  1741. u32 per_class_guaranty_mode;
  1742. u32 lb_guarantied_hyst;
  1743. u32 full_lb_xoff_th;
  1744. u32 full_lb_xon_threshold;
  1745. u32 lb_guarantied;
  1746. u32 mac_0_class_t_guarantied;
  1747. u32 mac_0_class_t_guarantied_hyst;
  1748. u32 mac_1_class_t_guarantied;
  1749. u32 mac_1_class_t_guarantied_hyst;
  1750. };
  1751. struct bnx2x_pfc_brb_th_val {
  1752. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1753. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1754. struct bnx2x_pfc_brb_threshold_val default_class0;
  1755. struct bnx2x_pfc_brb_threshold_val default_class1;
  1756. };
  1757. static int bnx2x_pfc_brb_get_config_params(
  1758. struct link_params *params,
  1759. struct bnx2x_pfc_brb_th_val *config_val)
  1760. {
  1761. struct bnx2x *bp = params->bp;
  1762. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1763. config_val->default_class1.pause_xoff = 0;
  1764. config_val->default_class1.pause_xon = 0;
  1765. config_val->default_class1.full_xoff = 0;
  1766. config_val->default_class1.full_xon = 0;
  1767. if (CHIP_IS_E2(bp)) {
  1768. /* Class0 defaults */
  1769. config_val->default_class0.pause_xoff =
  1770. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1771. config_val->default_class0.pause_xon =
  1772. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1773. config_val->default_class0.full_xoff =
  1774. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1775. config_val->default_class0.full_xon =
  1776. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1777. /* Pause able*/
  1778. config_val->pauseable_th.pause_xoff =
  1779. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1780. config_val->pauseable_th.pause_xon =
  1781. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1782. config_val->pauseable_th.full_xoff =
  1783. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1784. config_val->pauseable_th.full_xon =
  1785. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1786. /* Non pause able*/
  1787. config_val->non_pauseable_th.pause_xoff =
  1788. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1789. config_val->non_pauseable_th.pause_xon =
  1790. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1791. config_val->non_pauseable_th.full_xoff =
  1792. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1793. config_val->non_pauseable_th.full_xon =
  1794. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1795. } else if (CHIP_IS_E3A0(bp)) {
  1796. /* Class0 defaults */
  1797. config_val->default_class0.pause_xoff =
  1798. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1799. config_val->default_class0.pause_xon =
  1800. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1801. config_val->default_class0.full_xoff =
  1802. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1803. config_val->default_class0.full_xon =
  1804. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1805. /* Pause able */
  1806. config_val->pauseable_th.pause_xoff =
  1807. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1808. config_val->pauseable_th.pause_xon =
  1809. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1810. config_val->pauseable_th.full_xoff =
  1811. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1812. config_val->pauseable_th.full_xon =
  1813. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1814. /* Non pause able*/
  1815. config_val->non_pauseable_th.pause_xoff =
  1816. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1817. config_val->non_pauseable_th.pause_xon =
  1818. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1819. config_val->non_pauseable_th.full_xoff =
  1820. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1821. config_val->non_pauseable_th.full_xon =
  1822. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1823. } else if (CHIP_IS_E3B0(bp)) {
  1824. /* Class0 defaults */
  1825. config_val->default_class0.pause_xoff =
  1826. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1827. config_val->default_class0.pause_xon =
  1828. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1829. config_val->default_class0.full_xoff =
  1830. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1831. config_val->default_class0.full_xon =
  1832. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1833. if (params->phy[INT_PHY].flags &
  1834. FLAGS_4_PORT_MODE) {
  1835. config_val->pauseable_th.pause_xoff =
  1836. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1837. config_val->pauseable_th.pause_xon =
  1838. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1839. config_val->pauseable_th.full_xoff =
  1840. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1841. config_val->pauseable_th.full_xon =
  1842. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1843. /* Non pause able*/
  1844. config_val->non_pauseable_th.pause_xoff =
  1845. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1846. config_val->non_pauseable_th.pause_xon =
  1847. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1848. config_val->non_pauseable_th.full_xoff =
  1849. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1850. config_val->non_pauseable_th.full_xon =
  1851. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1852. } else {
  1853. config_val->pauseable_th.pause_xoff =
  1854. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1855. config_val->pauseable_th.pause_xon =
  1856. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1857. config_val->pauseable_th.full_xoff =
  1858. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1859. config_val->pauseable_th.full_xon =
  1860. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1861. /* Non pause able*/
  1862. config_val->non_pauseable_th.pause_xoff =
  1863. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1864. config_val->non_pauseable_th.pause_xon =
  1865. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1866. config_val->non_pauseable_th.full_xoff =
  1867. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1868. config_val->non_pauseable_th.full_xon =
  1869. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1870. }
  1871. } else
  1872. return -EINVAL;
  1873. return 0;
  1874. }
  1875. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1876. struct link_params *params,
  1877. struct bnx2x_pfc_brb_e3b0_val
  1878. *e3b0_val,
  1879. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1880. const u8 pfc_enabled)
  1881. {
  1882. if (pfc_enabled && pfc_params) {
  1883. e3b0_val->per_class_guaranty_mode = 1;
  1884. e3b0_val->lb_guarantied_hyst = 80;
  1885. if (params->phy[INT_PHY].flags &
  1886. FLAGS_4_PORT_MODE) {
  1887. e3b0_val->full_lb_xoff_th =
  1888. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1889. e3b0_val->full_lb_xon_threshold =
  1890. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1891. e3b0_val->lb_guarantied =
  1892. PFC_E3B0_4P_LB_GUART;
  1893. e3b0_val->mac_0_class_t_guarantied =
  1894. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1895. e3b0_val->mac_0_class_t_guarantied_hyst =
  1896. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1897. e3b0_val->mac_1_class_t_guarantied =
  1898. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1899. e3b0_val->mac_1_class_t_guarantied_hyst =
  1900. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1901. } else {
  1902. e3b0_val->full_lb_xoff_th =
  1903. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1904. e3b0_val->full_lb_xon_threshold =
  1905. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1906. e3b0_val->mac_0_class_t_guarantied_hyst =
  1907. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1908. e3b0_val->mac_1_class_t_guarantied =
  1909. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1910. e3b0_val->mac_1_class_t_guarantied_hyst =
  1911. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1912. if (pfc_params->cos0_pauseable !=
  1913. pfc_params->cos1_pauseable) {
  1914. /* Nonpauseable= Lossy + pauseable = Lossless*/
  1915. e3b0_val->lb_guarantied =
  1916. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1917. e3b0_val->mac_0_class_t_guarantied =
  1918. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1919. } else if (pfc_params->cos0_pauseable) {
  1920. /* Lossless +Lossless*/
  1921. e3b0_val->lb_guarantied =
  1922. PFC_E3B0_2P_PAUSE_LB_GUART;
  1923. e3b0_val->mac_0_class_t_guarantied =
  1924. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1925. } else {
  1926. /* Lossy +Lossy*/
  1927. e3b0_val->lb_guarantied =
  1928. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1929. e3b0_val->mac_0_class_t_guarantied =
  1930. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1931. }
  1932. }
  1933. } else {
  1934. e3b0_val->per_class_guaranty_mode = 0;
  1935. e3b0_val->lb_guarantied_hyst = 0;
  1936. e3b0_val->full_lb_xoff_th =
  1937. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1938. e3b0_val->full_lb_xon_threshold =
  1939. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1940. e3b0_val->lb_guarantied =
  1941. DEFAULT_E3B0_LB_GUART;
  1942. e3b0_val->mac_0_class_t_guarantied =
  1943. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1944. e3b0_val->mac_0_class_t_guarantied_hyst =
  1945. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1946. e3b0_val->mac_1_class_t_guarantied =
  1947. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1948. e3b0_val->mac_1_class_t_guarantied_hyst =
  1949. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1950. }
  1951. }
  1952. static int bnx2x_update_pfc_brb(struct link_params *params,
  1953. struct link_vars *vars,
  1954. struct bnx2x_nig_brb_pfc_port_params
  1955. *pfc_params)
  1956. {
  1957. struct bnx2x *bp = params->bp;
  1958. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1959. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1960. &config_val.pauseable_th;
  1961. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1962. const int set_pfc = params->feature_config_flags &
  1963. FEATURE_CONFIG_PFC_ENABLED;
  1964. const u8 pfc_enabled = (set_pfc && pfc_params);
  1965. int bnx2x_status = 0;
  1966. u8 port = params->port;
  1967. /* default - pause configuration */
  1968. reg_th_config = &config_val.pauseable_th;
  1969. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1970. if (bnx2x_status)
  1971. return bnx2x_status;
  1972. if (pfc_enabled) {
  1973. /* First COS */
  1974. if (pfc_params->cos0_pauseable)
  1975. reg_th_config = &config_val.pauseable_th;
  1976. else
  1977. reg_th_config = &config_val.non_pauseable_th;
  1978. } else
  1979. reg_th_config = &config_val.default_class0;
  1980. /* The number of free blocks below which the pause signal to class 0
  1981. * of MAC #n is asserted. n=0,1
  1982. */
  1983. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1984. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1985. reg_th_config->pause_xoff);
  1986. /* The number of free blocks above which the pause signal to class 0
  1987. * of MAC #n is de-asserted. n=0,1
  1988. */
  1989. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1990. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1991. /* The number of free blocks below which the full signal to class 0
  1992. * of MAC #n is asserted. n=0,1
  1993. */
  1994. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1995. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1996. /* The number of free blocks above which the full signal to class 0
  1997. * of MAC #n is de-asserted. n=0,1
  1998. */
  1999. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2000. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2001. if (pfc_enabled) {
  2002. /* Second COS */
  2003. if (pfc_params->cos1_pauseable)
  2004. reg_th_config = &config_val.pauseable_th;
  2005. else
  2006. reg_th_config = &config_val.non_pauseable_th;
  2007. } else
  2008. reg_th_config = &config_val.default_class1;
  2009. /* The number of free blocks below which the pause signal to
  2010. * class 1 of MAC #n is asserted. n=0,1
  2011. */
  2012. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2013. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2014. reg_th_config->pause_xoff);
  2015. /* The number of free blocks above which the pause signal to
  2016. * class 1 of MAC #n is de-asserted. n=0,1
  2017. */
  2018. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2019. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2020. reg_th_config->pause_xon);
  2021. /* The number of free blocks below which the full signal to
  2022. * class 1 of MAC #n is asserted. n=0,1
  2023. */
  2024. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2025. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2026. reg_th_config->full_xoff);
  2027. /* The number of free blocks above which the full signal to
  2028. * class 1 of MAC #n is de-asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2031. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2032. reg_th_config->full_xon);
  2033. if (CHIP_IS_E3B0(bp)) {
  2034. bnx2x_pfc_brb_get_e3b0_config_params(
  2035. params,
  2036. &e3b0_val,
  2037. pfc_params,
  2038. pfc_enabled);
  2039. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2040. e3b0_val.per_class_guaranty_mode);
  2041. /* The hysteresis on the guarantied buffer space for the Lb
  2042. * port before signaling XON.
  2043. */
  2044. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2045. e3b0_val.lb_guarantied_hyst);
  2046. /* The number of free blocks below which the full signal to the
  2047. * LB port is asserted.
  2048. */
  2049. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2050. e3b0_val.full_lb_xoff_th);
  2051. /* The number of free blocks above which the full signal to the
  2052. * LB port is de-asserted.
  2053. */
  2054. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2055. e3b0_val.full_lb_xon_threshold);
  2056. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2057. */
  2058. /* The number of blocks guarantied for the LB port. */
  2059. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2060. e3b0_val.lb_guarantied);
  2061. /* The number of blocks guarantied for the MAC #n port. */
  2062. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2063. 2 * e3b0_val.mac_0_class_t_guarantied);
  2064. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2065. 2 * e3b0_val.mac_1_class_t_guarantied);
  2066. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2067. */
  2068. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2069. e3b0_val.mac_0_class_t_guarantied);
  2070. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2071. e3b0_val.mac_0_class_t_guarantied);
  2072. /* The hysteresis on the guarantied buffer space for class in
  2073. * MAC0. t=0,1
  2074. */
  2075. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2076. e3b0_val.mac_0_class_t_guarantied_hyst);
  2077. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2078. e3b0_val.mac_0_class_t_guarantied_hyst);
  2079. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2080. */
  2081. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2082. e3b0_val.mac_1_class_t_guarantied);
  2083. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2084. e3b0_val.mac_1_class_t_guarantied);
  2085. /* The hysteresis on the guarantied buffer space for class #t
  2086. * in MAC1. t=0,1
  2087. */
  2088. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2089. e3b0_val.mac_1_class_t_guarantied_hyst);
  2090. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2091. e3b0_val.mac_1_class_t_guarantied_hyst);
  2092. }
  2093. return bnx2x_status;
  2094. }
  2095. /******************************************************************************
  2096. * Description:
  2097. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2098. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2099. ******************************************************************************/
  2100. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2101. u8 cos_entry,
  2102. u32 priority_mask, u8 port)
  2103. {
  2104. u32 nig_reg_rx_priority_mask_add = 0;
  2105. switch (cos_entry) {
  2106. case 0:
  2107. nig_reg_rx_priority_mask_add = (port) ?
  2108. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2109. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2110. break;
  2111. case 1:
  2112. nig_reg_rx_priority_mask_add = (port) ?
  2113. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2114. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2115. break;
  2116. case 2:
  2117. nig_reg_rx_priority_mask_add = (port) ?
  2118. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2119. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2120. break;
  2121. case 3:
  2122. if (port)
  2123. return -EINVAL;
  2124. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2125. break;
  2126. case 4:
  2127. if (port)
  2128. return -EINVAL;
  2129. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2130. break;
  2131. case 5:
  2132. if (port)
  2133. return -EINVAL;
  2134. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2135. break;
  2136. }
  2137. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2138. return 0;
  2139. }
  2140. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2141. {
  2142. struct bnx2x *bp = params->bp;
  2143. REG_WR(bp, params->shmem_base +
  2144. offsetof(struct shmem_region,
  2145. port_mb[params->port].link_status), link_status);
  2146. }
  2147. static void bnx2x_update_pfc_nig(struct link_params *params,
  2148. struct link_vars *vars,
  2149. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2150. {
  2151. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2152. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2153. u32 pkt_priority_to_cos = 0;
  2154. struct bnx2x *bp = params->bp;
  2155. u8 port = params->port;
  2156. int set_pfc = params->feature_config_flags &
  2157. FEATURE_CONFIG_PFC_ENABLED;
  2158. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2159. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2160. * MAC control frames (that are not pause packets)
  2161. * will be forwarded to the XCM.
  2162. */
  2163. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2164. NIG_REG_LLH0_XCM_MASK);
  2165. /* NIG params will override non PFC params, since it's possible to
  2166. * do transition from PFC to SAFC
  2167. */
  2168. if (set_pfc) {
  2169. pause_enable = 0;
  2170. llfc_out_en = 0;
  2171. llfc_enable = 0;
  2172. if (CHIP_IS_E3(bp))
  2173. ppp_enable = 0;
  2174. else
  2175. ppp_enable = 1;
  2176. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2177. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2178. xcm_out_en = 0;
  2179. hwpfc_enable = 1;
  2180. } else {
  2181. if (nig_params) {
  2182. llfc_out_en = nig_params->llfc_out_en;
  2183. llfc_enable = nig_params->llfc_enable;
  2184. pause_enable = nig_params->pause_enable;
  2185. } else /* Default non PFC mode - PAUSE */
  2186. pause_enable = 1;
  2187. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2188. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2189. xcm_out_en = 1;
  2190. }
  2191. if (CHIP_IS_E3(bp))
  2192. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2193. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2194. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2195. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2196. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2197. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2198. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2199. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2200. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2201. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2202. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2203. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2204. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2205. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2206. /* Output enable for RX_XCM # IF */
  2207. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2208. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2209. /* HW PFC TX enable */
  2210. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2211. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2212. if (nig_params) {
  2213. u8 i = 0;
  2214. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2215. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2216. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2217. nig_params->rx_cos_priority_mask[i], port);
  2218. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2219. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2220. nig_params->llfc_high_priority_classes);
  2221. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2222. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2223. nig_params->llfc_low_priority_classes);
  2224. }
  2225. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2226. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2227. pkt_priority_to_cos);
  2228. }
  2229. int bnx2x_update_pfc(struct link_params *params,
  2230. struct link_vars *vars,
  2231. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2232. {
  2233. /* The PFC and pause are orthogonal to one another, meaning when
  2234. * PFC is enabled, the pause are disabled, and when PFC is
  2235. * disabled, pause are set according to the pause result.
  2236. */
  2237. u32 val;
  2238. struct bnx2x *bp = params->bp;
  2239. int bnx2x_status = 0;
  2240. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2241. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2242. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2243. else
  2244. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2245. bnx2x_update_mng(params, vars->link_status);
  2246. /* Update NIG params */
  2247. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2248. /* Update BRB params */
  2249. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2250. if (bnx2x_status)
  2251. return bnx2x_status;
  2252. if (!vars->link_up)
  2253. return bnx2x_status;
  2254. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2255. if (CHIP_IS_E3(bp))
  2256. bnx2x_update_pfc_xmac(params, vars, 0);
  2257. else {
  2258. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2259. if ((val &
  2260. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2261. == 0) {
  2262. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2263. bnx2x_emac_enable(params, vars, 0);
  2264. return bnx2x_status;
  2265. }
  2266. if (CHIP_IS_E2(bp))
  2267. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2268. else
  2269. bnx2x_update_pfc_bmac1(params, vars);
  2270. val = 0;
  2271. if ((params->feature_config_flags &
  2272. FEATURE_CONFIG_PFC_ENABLED) ||
  2273. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2274. val = 1;
  2275. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2276. }
  2277. return bnx2x_status;
  2278. }
  2279. static int bnx2x_bmac1_enable(struct link_params *params,
  2280. struct link_vars *vars,
  2281. u8 is_lb)
  2282. {
  2283. struct bnx2x *bp = params->bp;
  2284. u8 port = params->port;
  2285. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2286. NIG_REG_INGRESS_BMAC0_MEM;
  2287. u32 wb_data[2];
  2288. u32 val;
  2289. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2290. /* XGXS control */
  2291. wb_data[0] = 0x3c;
  2292. wb_data[1] = 0;
  2293. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2294. wb_data, 2);
  2295. /* TX MAC SA */
  2296. wb_data[0] = ((params->mac_addr[2] << 24) |
  2297. (params->mac_addr[3] << 16) |
  2298. (params->mac_addr[4] << 8) |
  2299. params->mac_addr[5]);
  2300. wb_data[1] = ((params->mac_addr[0] << 8) |
  2301. params->mac_addr[1]);
  2302. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2303. /* MAC control */
  2304. val = 0x3;
  2305. if (is_lb) {
  2306. val |= 0x4;
  2307. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2308. }
  2309. wb_data[0] = val;
  2310. wb_data[1] = 0;
  2311. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2312. /* Set rx mtu */
  2313. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2314. wb_data[1] = 0;
  2315. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2316. bnx2x_update_pfc_bmac1(params, vars);
  2317. /* Set tx mtu */
  2318. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2319. wb_data[1] = 0;
  2320. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2321. /* Set cnt max size */
  2322. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2323. wb_data[1] = 0;
  2324. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2325. /* Configure SAFC */
  2326. wb_data[0] = 0x1000200;
  2327. wb_data[1] = 0;
  2328. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2329. wb_data, 2);
  2330. return 0;
  2331. }
  2332. static int bnx2x_bmac2_enable(struct link_params *params,
  2333. struct link_vars *vars,
  2334. u8 is_lb)
  2335. {
  2336. struct bnx2x *bp = params->bp;
  2337. u8 port = params->port;
  2338. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2339. NIG_REG_INGRESS_BMAC0_MEM;
  2340. u32 wb_data[2];
  2341. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2342. wb_data[0] = 0;
  2343. wb_data[1] = 0;
  2344. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2345. udelay(30);
  2346. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2347. wb_data[0] = 0x3c;
  2348. wb_data[1] = 0;
  2349. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2350. wb_data, 2);
  2351. udelay(30);
  2352. /* TX MAC SA */
  2353. wb_data[0] = ((params->mac_addr[2] << 24) |
  2354. (params->mac_addr[3] << 16) |
  2355. (params->mac_addr[4] << 8) |
  2356. params->mac_addr[5]);
  2357. wb_data[1] = ((params->mac_addr[0] << 8) |
  2358. params->mac_addr[1]);
  2359. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2360. wb_data, 2);
  2361. udelay(30);
  2362. /* Configure SAFC */
  2363. wb_data[0] = 0x1000200;
  2364. wb_data[1] = 0;
  2365. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2366. wb_data, 2);
  2367. udelay(30);
  2368. /* Set RX MTU */
  2369. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2370. wb_data[1] = 0;
  2371. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2372. udelay(30);
  2373. /* Set TX MTU */
  2374. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2375. wb_data[1] = 0;
  2376. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2377. udelay(30);
  2378. /* Set cnt max size */
  2379. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2380. wb_data[1] = 0;
  2381. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2382. udelay(30);
  2383. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2384. return 0;
  2385. }
  2386. static int bnx2x_bmac_enable(struct link_params *params,
  2387. struct link_vars *vars,
  2388. u8 is_lb)
  2389. {
  2390. int rc = 0;
  2391. u8 port = params->port;
  2392. struct bnx2x *bp = params->bp;
  2393. u32 val;
  2394. /* Reset and unreset the BigMac */
  2395. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2396. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2397. usleep_range(1000, 2000);
  2398. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2399. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2400. /* Enable access for bmac registers */
  2401. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2402. /* Enable BMAC according to BMAC type*/
  2403. if (CHIP_IS_E2(bp))
  2404. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2405. else
  2406. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2407. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2408. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2409. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2410. val = 0;
  2411. if ((params->feature_config_flags &
  2412. FEATURE_CONFIG_PFC_ENABLED) ||
  2413. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2414. val = 1;
  2415. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2416. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2417. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2418. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2419. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2420. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2421. vars->mac_type = MAC_TYPE_BMAC;
  2422. return rc;
  2423. }
  2424. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2425. {
  2426. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2427. NIG_REG_INGRESS_BMAC0_MEM;
  2428. u32 wb_data[2];
  2429. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2430. /* Only if the bmac is out of reset */
  2431. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2432. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2433. nig_bmac_enable) {
  2434. if (CHIP_IS_E2(bp)) {
  2435. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2436. REG_RD_DMAE(bp, bmac_addr +
  2437. BIGMAC2_REGISTER_BMAC_CONTROL,
  2438. wb_data, 2);
  2439. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2440. REG_WR_DMAE(bp, bmac_addr +
  2441. BIGMAC2_REGISTER_BMAC_CONTROL,
  2442. wb_data, 2);
  2443. } else {
  2444. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2445. REG_RD_DMAE(bp, bmac_addr +
  2446. BIGMAC_REGISTER_BMAC_CONTROL,
  2447. wb_data, 2);
  2448. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2449. REG_WR_DMAE(bp, bmac_addr +
  2450. BIGMAC_REGISTER_BMAC_CONTROL,
  2451. wb_data, 2);
  2452. }
  2453. usleep_range(1000, 2000);
  2454. }
  2455. }
  2456. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2457. u32 line_speed)
  2458. {
  2459. struct bnx2x *bp = params->bp;
  2460. u8 port = params->port;
  2461. u32 init_crd, crd;
  2462. u32 count = 1000;
  2463. /* Disable port */
  2464. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2465. /* Wait for init credit */
  2466. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2467. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2468. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2469. while ((init_crd != crd) && count) {
  2470. usleep_range(5000, 10000);
  2471. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2472. count--;
  2473. }
  2474. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2475. if (init_crd != crd) {
  2476. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2477. init_crd, crd);
  2478. return -EINVAL;
  2479. }
  2480. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2481. line_speed == SPEED_10 ||
  2482. line_speed == SPEED_100 ||
  2483. line_speed == SPEED_1000 ||
  2484. line_speed == SPEED_2500) {
  2485. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2486. /* Update threshold */
  2487. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2488. /* Update init credit */
  2489. init_crd = 778; /* (800-18-4) */
  2490. } else {
  2491. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2492. ETH_OVREHEAD)/16;
  2493. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2494. /* Update threshold */
  2495. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2496. /* Update init credit */
  2497. switch (line_speed) {
  2498. case SPEED_10000:
  2499. init_crd = thresh + 553 - 22;
  2500. break;
  2501. default:
  2502. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2503. line_speed);
  2504. return -EINVAL;
  2505. }
  2506. }
  2507. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2508. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2509. line_speed, init_crd);
  2510. /* Probe the credit changes */
  2511. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2512. usleep_range(5000, 10000);
  2513. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2514. /* Enable port */
  2515. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2516. return 0;
  2517. }
  2518. /**
  2519. * bnx2x_get_emac_base - retrive emac base address
  2520. *
  2521. * @bp: driver handle
  2522. * @mdc_mdio_access: access type
  2523. * @port: port id
  2524. *
  2525. * This function selects the MDC/MDIO access (through emac0 or
  2526. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2527. * phy has a default access mode, which could also be overridden
  2528. * by nvram configuration. This parameter, whether this is the
  2529. * default phy configuration, or the nvram overrun
  2530. * configuration, is passed here as mdc_mdio_access and selects
  2531. * the emac_base for the CL45 read/writes operations
  2532. */
  2533. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2534. u32 mdc_mdio_access, u8 port)
  2535. {
  2536. u32 emac_base = 0;
  2537. switch (mdc_mdio_access) {
  2538. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2539. break;
  2540. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2541. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2542. emac_base = GRCBASE_EMAC1;
  2543. else
  2544. emac_base = GRCBASE_EMAC0;
  2545. break;
  2546. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2547. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2548. emac_base = GRCBASE_EMAC0;
  2549. else
  2550. emac_base = GRCBASE_EMAC1;
  2551. break;
  2552. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2553. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2554. break;
  2555. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2556. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2557. break;
  2558. default:
  2559. break;
  2560. }
  2561. return emac_base;
  2562. }
  2563. /******************************************************************/
  2564. /* CL22 access functions */
  2565. /******************************************************************/
  2566. static int bnx2x_cl22_write(struct bnx2x *bp,
  2567. struct bnx2x_phy *phy,
  2568. u16 reg, u16 val)
  2569. {
  2570. u32 tmp, mode;
  2571. u8 i;
  2572. int rc = 0;
  2573. /* Switch to CL22 */
  2574. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2575. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2576. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2577. /* Address */
  2578. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2579. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2580. EMAC_MDIO_COMM_START_BUSY);
  2581. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2582. for (i = 0; i < 50; i++) {
  2583. udelay(10);
  2584. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2585. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2586. udelay(5);
  2587. break;
  2588. }
  2589. }
  2590. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2591. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2592. rc = -EFAULT;
  2593. }
  2594. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2595. return rc;
  2596. }
  2597. static int bnx2x_cl22_read(struct bnx2x *bp,
  2598. struct bnx2x_phy *phy,
  2599. u16 reg, u16 *ret_val)
  2600. {
  2601. u32 val, mode;
  2602. u16 i;
  2603. int rc = 0;
  2604. /* Switch to CL22 */
  2605. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2606. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2607. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2608. /* Address */
  2609. val = ((phy->addr << 21) | (reg << 16) |
  2610. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2611. EMAC_MDIO_COMM_START_BUSY);
  2612. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2613. for (i = 0; i < 50; i++) {
  2614. udelay(10);
  2615. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2616. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2617. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2618. udelay(5);
  2619. break;
  2620. }
  2621. }
  2622. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2623. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2624. *ret_val = 0;
  2625. rc = -EFAULT;
  2626. }
  2627. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2628. return rc;
  2629. }
  2630. /******************************************************************/
  2631. /* CL45 access functions */
  2632. /******************************************************************/
  2633. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2634. u8 devad, u16 reg, u16 *ret_val)
  2635. {
  2636. u32 val;
  2637. u16 i;
  2638. int rc = 0;
  2639. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2640. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2641. EMAC_MDIO_STATUS_10MB);
  2642. /* Address */
  2643. val = ((phy->addr << 21) | (devad << 16) | reg |
  2644. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2645. EMAC_MDIO_COMM_START_BUSY);
  2646. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2647. for (i = 0; i < 50; i++) {
  2648. udelay(10);
  2649. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2650. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2651. udelay(5);
  2652. break;
  2653. }
  2654. }
  2655. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2656. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2657. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2658. *ret_val = 0;
  2659. rc = -EFAULT;
  2660. } else {
  2661. /* Data */
  2662. val = ((phy->addr << 21) | (devad << 16) |
  2663. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2664. EMAC_MDIO_COMM_START_BUSY);
  2665. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2666. for (i = 0; i < 50; i++) {
  2667. udelay(10);
  2668. val = REG_RD(bp, phy->mdio_ctrl +
  2669. EMAC_REG_EMAC_MDIO_COMM);
  2670. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2671. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2672. break;
  2673. }
  2674. }
  2675. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2676. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2677. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2678. *ret_val = 0;
  2679. rc = -EFAULT;
  2680. }
  2681. }
  2682. /* Work around for E3 A0 */
  2683. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2684. phy->flags ^= FLAGS_DUMMY_READ;
  2685. if (phy->flags & FLAGS_DUMMY_READ) {
  2686. u16 temp_val;
  2687. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2688. }
  2689. }
  2690. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2691. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2692. EMAC_MDIO_STATUS_10MB);
  2693. return rc;
  2694. }
  2695. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2696. u8 devad, u16 reg, u16 val)
  2697. {
  2698. u32 tmp;
  2699. u8 i;
  2700. int rc = 0;
  2701. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2702. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2703. EMAC_MDIO_STATUS_10MB);
  2704. /* Address */
  2705. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2706. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2707. EMAC_MDIO_COMM_START_BUSY);
  2708. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2709. for (i = 0; i < 50; i++) {
  2710. udelay(10);
  2711. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2712. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2713. udelay(5);
  2714. break;
  2715. }
  2716. }
  2717. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2718. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2719. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2720. rc = -EFAULT;
  2721. } else {
  2722. /* Data */
  2723. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2724. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2725. EMAC_MDIO_COMM_START_BUSY);
  2726. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2727. for (i = 0; i < 50; i++) {
  2728. udelay(10);
  2729. tmp = REG_RD(bp, phy->mdio_ctrl +
  2730. EMAC_REG_EMAC_MDIO_COMM);
  2731. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2732. udelay(5);
  2733. break;
  2734. }
  2735. }
  2736. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2737. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2738. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2739. rc = -EFAULT;
  2740. }
  2741. }
  2742. /* Work around for E3 A0 */
  2743. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2744. phy->flags ^= FLAGS_DUMMY_READ;
  2745. if (phy->flags & FLAGS_DUMMY_READ) {
  2746. u16 temp_val;
  2747. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2748. }
  2749. }
  2750. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2751. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2752. EMAC_MDIO_STATUS_10MB);
  2753. return rc;
  2754. }
  2755. /******************************************************************/
  2756. /* EEE section */
  2757. /******************************************************************/
  2758. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2759. {
  2760. struct bnx2x *bp = params->bp;
  2761. if (REG_RD(bp, params->shmem2_base) <=
  2762. offsetof(struct shmem2_region, eee_status[params->port]))
  2763. return 0;
  2764. return 1;
  2765. }
  2766. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2767. {
  2768. switch (nvram_mode) {
  2769. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2770. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2771. break;
  2772. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2773. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2774. break;
  2775. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2776. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2777. break;
  2778. default:
  2779. *idle_timer = 0;
  2780. break;
  2781. }
  2782. return 0;
  2783. }
  2784. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2785. {
  2786. switch (idle_timer) {
  2787. case EEE_MODE_NVRAM_BALANCED_TIME:
  2788. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2789. break;
  2790. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2791. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2792. break;
  2793. case EEE_MODE_NVRAM_LATENCY_TIME:
  2794. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2795. break;
  2796. default:
  2797. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2798. break;
  2799. }
  2800. return 0;
  2801. }
  2802. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2803. {
  2804. u32 eee_mode, eee_idle;
  2805. struct bnx2x *bp = params->bp;
  2806. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2807. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2808. /* time value in eee_mode --> used directly*/
  2809. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2810. } else {
  2811. /* hsi value in eee_mode --> time */
  2812. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2813. EEE_MODE_NVRAM_MASK,
  2814. &eee_idle))
  2815. return 0;
  2816. }
  2817. } else {
  2818. /* hsi values in nvram --> time*/
  2819. eee_mode = ((REG_RD(bp, params->shmem_base +
  2820. offsetof(struct shmem_region, dev_info.
  2821. port_feature_config[params->port].
  2822. eee_power_mode)) &
  2823. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2824. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2825. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2826. return 0;
  2827. }
  2828. return eee_idle;
  2829. }
  2830. static int bnx2x_eee_set_timers(struct link_params *params,
  2831. struct link_vars *vars)
  2832. {
  2833. u32 eee_idle = 0, eee_mode;
  2834. struct bnx2x *bp = params->bp;
  2835. eee_idle = bnx2x_eee_calc_timer(params);
  2836. if (eee_idle) {
  2837. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2838. eee_idle);
  2839. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2840. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2841. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2842. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2843. return -EINVAL;
  2844. }
  2845. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2846. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2847. /* eee_idle in 1u --> eee_status in 16u */
  2848. eee_idle >>= 4;
  2849. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2850. SHMEM_EEE_TIME_OUTPUT_BIT;
  2851. } else {
  2852. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2853. return -EINVAL;
  2854. vars->eee_status |= eee_mode;
  2855. }
  2856. return 0;
  2857. }
  2858. static int bnx2x_eee_initial_config(struct link_params *params,
  2859. struct link_vars *vars, u8 mode)
  2860. {
  2861. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2862. /* Propogate params' bits --> vars (for migration exposure) */
  2863. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2864. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2865. else
  2866. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2867. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2868. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2869. else
  2870. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2871. return bnx2x_eee_set_timers(params, vars);
  2872. }
  2873. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2874. struct link_params *params,
  2875. struct link_vars *vars)
  2876. {
  2877. struct bnx2x *bp = params->bp;
  2878. /* Make Certain LPI is disabled */
  2879. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2880. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2881. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2882. return 0;
  2883. }
  2884. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2885. struct link_params *params,
  2886. struct link_vars *vars, u8 modes)
  2887. {
  2888. struct bnx2x *bp = params->bp;
  2889. u16 val = 0;
  2890. /* Mask events preventing LPI generation */
  2891. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2892. if (modes & SHMEM_EEE_10G_ADV) {
  2893. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2894. val |= 0x8;
  2895. }
  2896. if (modes & SHMEM_EEE_1G_ADV) {
  2897. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2898. val |= 0x4;
  2899. }
  2900. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2901. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2902. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2903. return 0;
  2904. }
  2905. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2906. {
  2907. struct bnx2x *bp = params->bp;
  2908. if (bnx2x_eee_has_cap(params))
  2909. REG_WR(bp, params->shmem2_base +
  2910. offsetof(struct shmem2_region,
  2911. eee_status[params->port]), eee_status);
  2912. }
  2913. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2914. struct link_params *params,
  2915. struct link_vars *vars)
  2916. {
  2917. struct bnx2x *bp = params->bp;
  2918. u16 adv = 0, lp = 0;
  2919. u32 lp_adv = 0;
  2920. u8 neg = 0;
  2921. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2922. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2923. if (lp & 0x2) {
  2924. lp_adv |= SHMEM_EEE_100M_ADV;
  2925. if (adv & 0x2) {
  2926. if (vars->line_speed == SPEED_100)
  2927. neg = 1;
  2928. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2929. }
  2930. }
  2931. if (lp & 0x14) {
  2932. lp_adv |= SHMEM_EEE_1G_ADV;
  2933. if (adv & 0x14) {
  2934. if (vars->line_speed == SPEED_1000)
  2935. neg = 1;
  2936. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2937. }
  2938. }
  2939. if (lp & 0x68) {
  2940. lp_adv |= SHMEM_EEE_10G_ADV;
  2941. if (adv & 0x68) {
  2942. if (vars->line_speed == SPEED_10000)
  2943. neg = 1;
  2944. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2945. }
  2946. }
  2947. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2948. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2949. if (neg) {
  2950. DP(NETIF_MSG_LINK, "EEE is active\n");
  2951. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2952. }
  2953. }
  2954. /******************************************************************/
  2955. /* BSC access functions from E3 */
  2956. /******************************************************************/
  2957. static void bnx2x_bsc_module_sel(struct link_params *params)
  2958. {
  2959. int idx;
  2960. u32 board_cfg, sfp_ctrl;
  2961. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2962. struct bnx2x *bp = params->bp;
  2963. u8 port = params->port;
  2964. /* Read I2C output PINs */
  2965. board_cfg = REG_RD(bp, params->shmem_base +
  2966. offsetof(struct shmem_region,
  2967. dev_info.shared_hw_config.board));
  2968. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2969. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2970. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2971. /* Read I2C output value */
  2972. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2973. offsetof(struct shmem_region,
  2974. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2975. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2976. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2977. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2978. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2979. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2980. }
  2981. static int bnx2x_bsc_read(struct link_params *params,
  2982. struct bnx2x_phy *phy,
  2983. u8 sl_devid,
  2984. u16 sl_addr,
  2985. u8 lc_addr,
  2986. u8 xfer_cnt,
  2987. u32 *data_array)
  2988. {
  2989. u32 val, i;
  2990. int rc = 0;
  2991. struct bnx2x *bp = params->bp;
  2992. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2993. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2994. return -EINVAL;
  2995. }
  2996. if (xfer_cnt > 16) {
  2997. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2998. xfer_cnt);
  2999. return -EINVAL;
  3000. }
  3001. bnx2x_bsc_module_sel(params);
  3002. xfer_cnt = 16 - lc_addr;
  3003. /* Enable the engine */
  3004. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  3005. val |= MCPR_IMC_COMMAND_ENABLE;
  3006. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  3007. /* Program slave device ID */
  3008. val = (sl_devid << 16) | sl_addr;
  3009. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  3010. /* Start xfer with 0 byte to update the address pointer ???*/
  3011. val = (MCPR_IMC_COMMAND_ENABLE) |
  3012. (MCPR_IMC_COMMAND_WRITE_OP <<
  3013. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  3014. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  3015. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  3016. /* Poll for completion */
  3017. i = 0;
  3018. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  3019. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  3020. udelay(10);
  3021. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  3022. if (i++ > 1000) {
  3023. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  3024. i);
  3025. rc = -EFAULT;
  3026. break;
  3027. }
  3028. }
  3029. if (rc == -EFAULT)
  3030. return rc;
  3031. /* Start xfer with read op */
  3032. val = (MCPR_IMC_COMMAND_ENABLE) |
  3033. (MCPR_IMC_COMMAND_READ_OP <<
  3034. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  3035. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  3036. (xfer_cnt);
  3037. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  3038. /* Poll for completion */
  3039. i = 0;
  3040. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  3041. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  3042. udelay(10);
  3043. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  3044. if (i++ > 1000) {
  3045. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  3046. rc = -EFAULT;
  3047. break;
  3048. }
  3049. }
  3050. if (rc == -EFAULT)
  3051. return rc;
  3052. for (i = (lc_addr >> 2); i < 4; i++) {
  3053. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  3054. #ifdef __BIG_ENDIAN
  3055. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  3056. ((data_array[i] & 0x0000ff00) << 8) |
  3057. ((data_array[i] & 0x00ff0000) >> 8) |
  3058. ((data_array[i] & 0xff000000) >> 24);
  3059. #endif
  3060. }
  3061. return rc;
  3062. }
  3063. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  3064. u8 devad, u16 reg, u16 or_val)
  3065. {
  3066. u16 val;
  3067. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  3068. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  3069. }
  3070. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  3071. u8 devad, u16 reg, u16 *ret_val)
  3072. {
  3073. u8 phy_index;
  3074. /* Probe for the phy according to the given phy_addr, and execute
  3075. * the read request on it
  3076. */
  3077. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  3078. if (params->phy[phy_index].addr == phy_addr) {
  3079. return bnx2x_cl45_read(params->bp,
  3080. &params->phy[phy_index], devad,
  3081. reg, ret_val);
  3082. }
  3083. }
  3084. return -EINVAL;
  3085. }
  3086. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  3087. u8 devad, u16 reg, u16 val)
  3088. {
  3089. u8 phy_index;
  3090. /* Probe for the phy according to the given phy_addr, and execute
  3091. * the write request on it
  3092. */
  3093. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  3094. if (params->phy[phy_index].addr == phy_addr) {
  3095. return bnx2x_cl45_write(params->bp,
  3096. &params->phy[phy_index], devad,
  3097. reg, val);
  3098. }
  3099. }
  3100. return -EINVAL;
  3101. }
  3102. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  3103. struct link_params *params)
  3104. {
  3105. u8 lane = 0;
  3106. struct bnx2x *bp = params->bp;
  3107. u32 path_swap, path_swap_ovr;
  3108. u8 path, port;
  3109. path = BP_PATH(bp);
  3110. port = params->port;
  3111. if (bnx2x_is_4_port_mode(bp)) {
  3112. u32 port_swap, port_swap_ovr;
  3113. /* Figure out path swap value */
  3114. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  3115. if (path_swap_ovr & 0x1)
  3116. path_swap = (path_swap_ovr & 0x2);
  3117. else
  3118. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3119. if (path_swap)
  3120. path = path ^ 1;
  3121. /* Figure out port swap value */
  3122. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3123. if (port_swap_ovr & 0x1)
  3124. port_swap = (port_swap_ovr & 0x2);
  3125. else
  3126. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3127. if (port_swap)
  3128. port = port ^ 1;
  3129. lane = (port<<1) + path;
  3130. } else { /* Two port mode - no port swap */
  3131. /* Figure out path swap value */
  3132. path_swap_ovr =
  3133. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3134. if (path_swap_ovr & 0x1) {
  3135. path_swap = (path_swap_ovr & 0x2);
  3136. } else {
  3137. path_swap =
  3138. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3139. }
  3140. if (path_swap)
  3141. path = path ^ 1;
  3142. lane = path << 1 ;
  3143. }
  3144. return lane;
  3145. }
  3146. static void bnx2x_set_aer_mmd(struct link_params *params,
  3147. struct bnx2x_phy *phy)
  3148. {
  3149. u32 ser_lane;
  3150. u16 offset, aer_val;
  3151. struct bnx2x *bp = params->bp;
  3152. ser_lane = ((params->lane_config &
  3153. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3154. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3155. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3156. (phy->addr + ser_lane) : 0;
  3157. if (USES_WARPCORE(bp)) {
  3158. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3159. /* In Dual-lane mode, two lanes are joined together,
  3160. * so in order to configure them, the AER broadcast method is
  3161. * used here.
  3162. * 0x200 is the broadcast address for lanes 0,1
  3163. * 0x201 is the broadcast address for lanes 2,3
  3164. */
  3165. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3166. aer_val = (aer_val >> 1) | 0x200;
  3167. } else if (CHIP_IS_E2(bp))
  3168. aer_val = 0x3800 + offset - 1;
  3169. else
  3170. aer_val = 0x3800 + offset;
  3171. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3172. MDIO_AER_BLOCK_AER_REG, aer_val);
  3173. }
  3174. /******************************************************************/
  3175. /* Internal phy section */
  3176. /******************************************************************/
  3177. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3178. {
  3179. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3180. /* Set Clause 22 */
  3181. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3182. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3183. udelay(500);
  3184. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3185. udelay(500);
  3186. /* Set Clause 45 */
  3187. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3188. }
  3189. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3190. {
  3191. u32 val;
  3192. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3193. val = SERDES_RESET_BITS << (port*16);
  3194. /* Reset and unreset the SerDes/XGXS */
  3195. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3196. udelay(500);
  3197. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3198. bnx2x_set_serdes_access(bp, port);
  3199. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3200. DEFAULT_PHY_DEV_ADDR);
  3201. }
  3202. static void bnx2x_xgxs_deassert(struct link_params *params)
  3203. {
  3204. struct bnx2x *bp = params->bp;
  3205. u8 port;
  3206. u32 val;
  3207. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3208. port = params->port;
  3209. val = XGXS_RESET_BITS << (port*16);
  3210. /* Reset and unreset the SerDes/XGXS */
  3211. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3212. udelay(500);
  3213. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3214. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3215. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3216. params->phy[INT_PHY].def_md_devad);
  3217. }
  3218. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3219. struct link_params *params, u16 *ieee_fc)
  3220. {
  3221. struct bnx2x *bp = params->bp;
  3222. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3223. /* Resolve pause mode and advertisement Please refer to Table
  3224. * 28B-3 of the 802.3ab-1999 spec
  3225. */
  3226. switch (phy->req_flow_ctrl) {
  3227. case BNX2X_FLOW_CTRL_AUTO:
  3228. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3229. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3230. else
  3231. *ieee_fc |=
  3232. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3233. break;
  3234. case BNX2X_FLOW_CTRL_TX:
  3235. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3236. break;
  3237. case BNX2X_FLOW_CTRL_RX:
  3238. case BNX2X_FLOW_CTRL_BOTH:
  3239. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3240. break;
  3241. case BNX2X_FLOW_CTRL_NONE:
  3242. default:
  3243. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3244. break;
  3245. }
  3246. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3247. }
  3248. static void set_phy_vars(struct link_params *params,
  3249. struct link_vars *vars)
  3250. {
  3251. struct bnx2x *bp = params->bp;
  3252. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3253. u8 phy_config_swapped = params->multi_phy_config &
  3254. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3255. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3256. phy_index++) {
  3257. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3258. actual_phy_idx = phy_index;
  3259. if (phy_config_swapped) {
  3260. if (phy_index == EXT_PHY1)
  3261. actual_phy_idx = EXT_PHY2;
  3262. else if (phy_index == EXT_PHY2)
  3263. actual_phy_idx = EXT_PHY1;
  3264. }
  3265. params->phy[actual_phy_idx].req_flow_ctrl =
  3266. params->req_flow_ctrl[link_cfg_idx];
  3267. params->phy[actual_phy_idx].req_line_speed =
  3268. params->req_line_speed[link_cfg_idx];
  3269. params->phy[actual_phy_idx].speed_cap_mask =
  3270. params->speed_cap_mask[link_cfg_idx];
  3271. params->phy[actual_phy_idx].req_duplex =
  3272. params->req_duplex[link_cfg_idx];
  3273. if (params->req_line_speed[link_cfg_idx] ==
  3274. SPEED_AUTO_NEG)
  3275. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3276. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3277. " speed_cap_mask %x\n",
  3278. params->phy[actual_phy_idx].req_flow_ctrl,
  3279. params->phy[actual_phy_idx].req_line_speed,
  3280. params->phy[actual_phy_idx].speed_cap_mask);
  3281. }
  3282. }
  3283. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3284. struct bnx2x_phy *phy,
  3285. struct link_vars *vars)
  3286. {
  3287. u16 val;
  3288. struct bnx2x *bp = params->bp;
  3289. /* Read modify write pause advertizing */
  3290. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3291. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3292. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3293. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3294. if ((vars->ieee_fc &
  3295. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3296. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3297. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3298. }
  3299. if ((vars->ieee_fc &
  3300. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3301. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3302. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3303. }
  3304. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3305. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3306. }
  3307. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3308. { /* LD LP */
  3309. switch (pause_result) { /* ASYM P ASYM P */
  3310. case 0xb: /* 1 0 1 1 */
  3311. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3312. break;
  3313. case 0xe: /* 1 1 1 0 */
  3314. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3315. break;
  3316. case 0x5: /* 0 1 0 1 */
  3317. case 0x7: /* 0 1 1 1 */
  3318. case 0xd: /* 1 1 0 1 */
  3319. case 0xf: /* 1 1 1 1 */
  3320. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3321. break;
  3322. default:
  3323. break;
  3324. }
  3325. if (pause_result & (1<<0))
  3326. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3327. if (pause_result & (1<<1))
  3328. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3329. }
  3330. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3331. struct link_params *params,
  3332. struct link_vars *vars)
  3333. {
  3334. u16 ld_pause; /* local */
  3335. u16 lp_pause; /* link partner */
  3336. u16 pause_result;
  3337. struct bnx2x *bp = params->bp;
  3338. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3339. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3340. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3341. } else if (CHIP_IS_E3(bp) &&
  3342. SINGLE_MEDIA_DIRECT(params)) {
  3343. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3344. u16 gp_status, gp_mask;
  3345. bnx2x_cl45_read(bp, phy,
  3346. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3347. &gp_status);
  3348. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3349. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3350. lane;
  3351. if ((gp_status & gp_mask) == gp_mask) {
  3352. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3353. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3354. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3355. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3356. } else {
  3357. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3358. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3359. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3360. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3361. ld_pause = ((ld_pause &
  3362. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3363. << 3);
  3364. lp_pause = ((lp_pause &
  3365. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3366. << 3);
  3367. }
  3368. } else {
  3369. bnx2x_cl45_read(bp, phy,
  3370. MDIO_AN_DEVAD,
  3371. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3372. bnx2x_cl45_read(bp, phy,
  3373. MDIO_AN_DEVAD,
  3374. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3375. }
  3376. pause_result = (ld_pause &
  3377. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3378. pause_result |= (lp_pause &
  3379. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3380. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3381. bnx2x_pause_resolve(vars, pause_result);
  3382. }
  3383. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3384. struct link_params *params,
  3385. struct link_vars *vars)
  3386. {
  3387. u8 ret = 0;
  3388. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3389. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3390. /* Update the advertised flow-controled of LD/LP in AN */
  3391. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3392. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3393. /* But set the flow-control result as the requested one */
  3394. vars->flow_ctrl = phy->req_flow_ctrl;
  3395. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3396. vars->flow_ctrl = params->req_fc_auto_adv;
  3397. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3398. ret = 1;
  3399. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3400. }
  3401. return ret;
  3402. }
  3403. /******************************************************************/
  3404. /* Warpcore section */
  3405. /******************************************************************/
  3406. /* The init_internal_warpcore should mirror the xgxs,
  3407. * i.e. reset the lane (if needed), set aer for the
  3408. * init configuration, and set/clear SGMII flag. Internal
  3409. * phy init is done purely in phy_init stage.
  3410. */
  3411. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3412. struct link_params *params)
  3413. {
  3414. struct bnx2x *bp = params->bp;
  3415. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3418. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3420. }
  3421. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3422. struct link_params *params,
  3423. struct link_vars *vars) {
  3424. u16 val16 = 0, lane, i;
  3425. struct bnx2x *bp = params->bp;
  3426. static struct bnx2x_reg_set reg_set[] = {
  3427. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3428. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3429. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
  3430. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3431. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3432. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3433. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3434. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3435. /* Disable Autoneg: re-enable it after adv is done. */
  3436. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3437. };
  3438. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3439. /* Set to default registers that may be overriden by 10G force */
  3440. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3441. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3442. reg_set[i].val);
  3443. /* Check adding advertisement for 1G KX */
  3444. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3445. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3446. (vars->line_speed == SPEED_1000)) {
  3447. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3448. val16 |= (1<<5);
  3449. /* Enable CL37 1G Parallel Detect */
  3450. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3451. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3452. }
  3453. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3454. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3455. (vars->line_speed == SPEED_10000)) {
  3456. /* Check adding advertisement for 10G KR */
  3457. val16 |= (1<<7);
  3458. /* Enable 10G Parallel Detect */
  3459. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3460. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3461. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3462. }
  3463. /* Set Transmit PMD settings */
  3464. lane = bnx2x_get_warpcore_lane(phy, params);
  3465. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3466. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3467. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3468. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3469. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3470. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3472. 0x03f0);
  3473. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3475. 0x03f0);
  3476. /* Advertised speeds */
  3477. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3478. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3479. /* Advertised and set FEC (Forward Error Correction) */
  3480. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3481. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3482. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3483. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3484. /* Enable CL37 BAM */
  3485. if (REG_RD(bp, params->shmem_base +
  3486. offsetof(struct shmem_region, dev_info.
  3487. port_hw_config[params->port].default_cfg)) &
  3488. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3489. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3491. 1);
  3492. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3493. }
  3494. /* Advertise pause */
  3495. bnx2x_ext_phy_set_pause(params, phy, vars);
  3496. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3497. */
  3498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3500. if (val16 < 0xd108) {
  3501. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3502. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3503. }
  3504. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3506. /* Over 1G - AN local device user page 1 */
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3509. /* Enable Autoneg */
  3510. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3511. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3512. }
  3513. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3514. struct link_params *params,
  3515. struct link_vars *vars)
  3516. {
  3517. struct bnx2x *bp = params->bp;
  3518. u16 i;
  3519. static struct bnx2x_reg_set reg_set[] = {
  3520. /* Disable Autoneg */
  3521. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3522. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3523. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3524. 0x3f00},
  3525. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3526. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3527. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3528. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3529. /* Disable CL36 PCS Tx */
  3530. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3531. /* Double Wide Single Data Rate @ pll rate */
  3532. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3533. /* Leave cl72 training enable, needed for KR */
  3534. {MDIO_PMA_DEVAD,
  3535. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3536. 0x2}
  3537. };
  3538. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3539. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3540. reg_set[i].val);
  3541. /* Leave CL72 enabled */
  3542. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3544. 0x3800);
  3545. /* Set speed via PMA/PMD register */
  3546. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3547. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3548. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3549. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3550. /* Enable encoded forced speed */
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3553. /* Turn TX scramble payload only the 64/66 scrambler */
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3556. /* Turn RX scramble payload only the 64/66 scrambler */
  3557. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3559. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3564. }
  3565. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3566. struct link_params *params,
  3567. u8 is_xfi)
  3568. {
  3569. struct bnx2x *bp = params->bp;
  3570. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3571. /* Hold rxSeqStart */
  3572. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3574. /* Hold tx_fifo_reset */
  3575. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3577. /* Disable CL73 AN */
  3578. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3579. /* Disable 100FX Enable and Auto-Detect */
  3580. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_FX100_CTRL1, &val);
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3584. /* Disable 100FX Idle detect */
  3585. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3587. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3588. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3589. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3590. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3591. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3592. /* Turn off auto-detect & fiber mode */
  3593. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3597. (val & 0xFFEE));
  3598. /* Set filter_force_link, disable_false_link and parallel_detect */
  3599. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3601. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3603. ((val | 0x0006) & 0xFFFE));
  3604. /* Set XFI / SFI */
  3605. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3607. misc1_val &= ~(0x1f);
  3608. if (is_xfi) {
  3609. misc1_val |= 0x5;
  3610. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3611. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3612. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3613. tx_driver_val =
  3614. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3615. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3616. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3617. } else {
  3618. misc1_val |= 0x9;
  3619. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3620. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3621. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3622. tx_driver_val =
  3623. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3624. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3625. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3626. }
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3629. /* Set Transmit PMD settings */
  3630. lane = bnx2x_get_warpcore_lane(phy, params);
  3631. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_TX_FIR_TAP,
  3633. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3634. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3636. tx_driver_val);
  3637. /* Enable fiber mode, enable and invert sig_det */
  3638. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3640. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3641. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3642. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3643. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3644. /* 10G XFI Full Duplex */
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3647. /* Release tx_fifo_reset */
  3648. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3652. /* Release rxSeqStart */
  3653. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3655. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3656. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3657. }
  3658. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3659. struct bnx2x_phy *phy)
  3660. {
  3661. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3662. }
  3663. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3664. struct bnx2x_phy *phy,
  3665. u16 lane)
  3666. {
  3667. /* Rx0 anaRxControl1G */
  3668. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3669. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3670. /* Rx2 anaRxControl1G */
  3671. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3672. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3673. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3674. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3675. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3676. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3677. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3678. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3679. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3680. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3681. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3682. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3683. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3684. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3685. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3686. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3687. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3688. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3689. /* Serdes Digital Misc1 */
  3690. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3691. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3692. /* Serdes Digital4 Misc3 */
  3693. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3694. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3695. /* Set Transmit PMD settings */
  3696. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3697. MDIO_WC_REG_TX_FIR_TAP,
  3698. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3699. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3700. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3701. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3702. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3704. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3705. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3706. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3707. }
  3708. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3709. struct link_params *params,
  3710. u8 fiber_mode,
  3711. u8 always_autoneg)
  3712. {
  3713. struct bnx2x *bp = params->bp;
  3714. u16 val16, digctrl_kx1, digctrl_kx2;
  3715. /* Clear XFI clock comp in non-10G single lane mode. */
  3716. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3717. MDIO_WC_REG_RX66_CONTROL, &val16);
  3718. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3720. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3721. /* SGMII Autoneg */
  3722. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3723. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3724. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3725. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3726. val16 | 0x1000);
  3727. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3728. } else {
  3729. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3730. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3731. val16 &= 0xcebf;
  3732. switch (phy->req_line_speed) {
  3733. case SPEED_10:
  3734. break;
  3735. case SPEED_100:
  3736. val16 |= 0x2000;
  3737. break;
  3738. case SPEED_1000:
  3739. val16 |= 0x0040;
  3740. break;
  3741. default:
  3742. DP(NETIF_MSG_LINK,
  3743. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3744. return;
  3745. }
  3746. if (phy->req_duplex == DUPLEX_FULL)
  3747. val16 |= 0x0100;
  3748. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3749. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3750. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3751. phy->req_line_speed);
  3752. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3753. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3754. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3755. }
  3756. /* SGMII Slave mode and disable signal detect */
  3757. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3758. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3759. if (fiber_mode)
  3760. digctrl_kx1 = 1;
  3761. else
  3762. digctrl_kx1 &= 0xff4a;
  3763. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3764. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3765. digctrl_kx1);
  3766. /* Turn off parallel detect */
  3767. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3768. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3769. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3770. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3771. (digctrl_kx2 & ~(1<<2)));
  3772. /* Re-enable parallel detect */
  3773. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3774. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3775. (digctrl_kx2 | (1<<2)));
  3776. /* Enable autodet */
  3777. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3778. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3779. (digctrl_kx1 | 0x10));
  3780. }
  3781. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3782. struct bnx2x_phy *phy,
  3783. u8 reset)
  3784. {
  3785. u16 val;
  3786. /* Take lane out of reset after configuration is finished */
  3787. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3788. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3789. if (reset)
  3790. val |= 0xC000;
  3791. else
  3792. val &= 0x3FFF;
  3793. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3794. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3795. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3796. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3797. }
  3798. /* Clear SFI/XFI link settings registers */
  3799. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3800. struct link_params *params,
  3801. u16 lane)
  3802. {
  3803. struct bnx2x *bp = params->bp;
  3804. u16 i;
  3805. static struct bnx2x_reg_set wc_regs[] = {
  3806. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3807. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3808. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3809. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3810. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3811. 0x0195},
  3812. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3813. 0x0007},
  3814. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3815. 0x0002},
  3816. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3817. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3818. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3819. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3820. };
  3821. /* Set XFI clock comp as default. */
  3822. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3823. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3824. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3825. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3826. wc_regs[i].val);
  3827. lane = bnx2x_get_warpcore_lane(phy, params);
  3828. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3829. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3830. }
  3831. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3832. u32 chip_id,
  3833. u32 shmem_base, u8 port,
  3834. u8 *gpio_num, u8 *gpio_port)
  3835. {
  3836. u32 cfg_pin;
  3837. *gpio_num = 0;
  3838. *gpio_port = 0;
  3839. if (CHIP_IS_E3(bp)) {
  3840. cfg_pin = (REG_RD(bp, shmem_base +
  3841. offsetof(struct shmem_region,
  3842. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3843. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3844. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3845. /* Should not happen. This function called upon interrupt
  3846. * triggered by GPIO ( since EPIO can only generate interrupts
  3847. * to MCP).
  3848. * So if this function was called and none of the GPIOs was set,
  3849. * it means the shit hit the fan.
  3850. */
  3851. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3852. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3853. DP(NETIF_MSG_LINK,
  3854. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3855. cfg_pin);
  3856. return -EINVAL;
  3857. }
  3858. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3859. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3860. } else {
  3861. *gpio_num = MISC_REGISTERS_GPIO_3;
  3862. *gpio_port = port;
  3863. }
  3864. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3865. return 0;
  3866. }
  3867. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3868. struct link_params *params)
  3869. {
  3870. struct bnx2x *bp = params->bp;
  3871. u8 gpio_num, gpio_port;
  3872. u32 gpio_val;
  3873. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3874. params->shmem_base, params->port,
  3875. &gpio_num, &gpio_port) != 0)
  3876. return 0;
  3877. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3878. /* Call the handling function in case module is detected */
  3879. if (gpio_val == 0)
  3880. return 1;
  3881. else
  3882. return 0;
  3883. }
  3884. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3885. struct link_params *params)
  3886. {
  3887. u16 gp2_status_reg0, lane;
  3888. struct bnx2x *bp = params->bp;
  3889. lane = bnx2x_get_warpcore_lane(phy, params);
  3890. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3891. &gp2_status_reg0);
  3892. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3893. }
  3894. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3895. struct link_params *params,
  3896. struct link_vars *vars)
  3897. {
  3898. struct bnx2x *bp = params->bp;
  3899. u32 serdes_net_if;
  3900. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3901. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3902. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3903. if (!vars->turn_to_run_wc_rt)
  3904. return;
  3905. /* Return if there is no link partner */
  3906. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3907. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3908. return;
  3909. }
  3910. if (vars->rx_tx_asic_rst) {
  3911. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3912. offsetof(struct shmem_region, dev_info.
  3913. port_hw_config[params->port].default_cfg)) &
  3914. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3915. switch (serdes_net_if) {
  3916. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3917. /* Do we get link yet? */
  3918. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3919. &gp_status1);
  3920. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3921. /*10G KR*/
  3922. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3923. DP(NETIF_MSG_LINK,
  3924. "gp_status1 0x%x\n", gp_status1);
  3925. if (lnkup_kr || lnkup) {
  3926. vars->rx_tx_asic_rst = 0;
  3927. DP(NETIF_MSG_LINK,
  3928. "link up, rx_tx_asic_rst 0x%x\n",
  3929. vars->rx_tx_asic_rst);
  3930. } else {
  3931. /* Reset the lane to see if link comes up.*/
  3932. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3933. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3934. /* Restart Autoneg */
  3935. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3936. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3937. vars->rx_tx_asic_rst--;
  3938. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3939. vars->rx_tx_asic_rst);
  3940. }
  3941. break;
  3942. default:
  3943. break;
  3944. }
  3945. } /*params->rx_tx_asic_rst*/
  3946. }
  3947. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3948. struct link_params *params)
  3949. {
  3950. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3951. struct bnx2x *bp = params->bp;
  3952. bnx2x_warpcore_clear_regs(phy, params, lane);
  3953. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3954. SPEED_10000) &&
  3955. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3956. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3957. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3958. } else {
  3959. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3960. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3961. }
  3962. }
  3963. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3964. struct link_params *params,
  3965. struct link_vars *vars)
  3966. {
  3967. struct bnx2x *bp = params->bp;
  3968. u32 serdes_net_if;
  3969. u8 fiber_mode;
  3970. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3971. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3972. offsetof(struct shmem_region, dev_info.
  3973. port_hw_config[params->port].default_cfg)) &
  3974. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3975. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3976. "serdes_net_if = 0x%x\n",
  3977. vars->line_speed, serdes_net_if);
  3978. bnx2x_set_aer_mmd(params, phy);
  3979. vars->phy_flags |= PHY_XGXS_FLAG;
  3980. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3981. (phy->req_line_speed &&
  3982. ((phy->req_line_speed == SPEED_100) ||
  3983. (phy->req_line_speed == SPEED_10)))) {
  3984. vars->phy_flags |= PHY_SGMII_FLAG;
  3985. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3986. bnx2x_warpcore_clear_regs(phy, params, lane);
  3987. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3988. } else {
  3989. switch (serdes_net_if) {
  3990. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3991. /* Enable KR Auto Neg */
  3992. if (params->loopback_mode != LOOPBACK_EXT)
  3993. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3994. else {
  3995. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3996. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3997. }
  3998. break;
  3999. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  4000. bnx2x_warpcore_clear_regs(phy, params, lane);
  4001. if (vars->line_speed == SPEED_10000) {
  4002. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  4003. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  4004. } else {
  4005. if (SINGLE_MEDIA_DIRECT(params)) {
  4006. DP(NETIF_MSG_LINK, "1G Fiber\n");
  4007. fiber_mode = 1;
  4008. } else {
  4009. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  4010. fiber_mode = 0;
  4011. }
  4012. bnx2x_warpcore_set_sgmii_speed(phy,
  4013. params,
  4014. fiber_mode,
  4015. 0);
  4016. }
  4017. break;
  4018. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  4019. /* Issue Module detection */
  4020. if (bnx2x_is_sfp_module_plugged(phy, params))
  4021. bnx2x_sfp_module_detection(phy, params);
  4022. bnx2x_warpcore_config_sfi(phy, params);
  4023. break;
  4024. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  4025. if (vars->line_speed != SPEED_20000) {
  4026. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  4027. return;
  4028. }
  4029. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  4030. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  4031. /* Issue Module detection */
  4032. bnx2x_sfp_module_detection(phy, params);
  4033. break;
  4034. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  4035. if (vars->line_speed != SPEED_20000) {
  4036. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  4037. return;
  4038. }
  4039. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  4040. bnx2x_warpcore_set_20G_KR2(bp, phy);
  4041. break;
  4042. default:
  4043. DP(NETIF_MSG_LINK,
  4044. "Unsupported Serdes Net Interface 0x%x\n",
  4045. serdes_net_if);
  4046. return;
  4047. }
  4048. }
  4049. /* Take lane out of reset after configuration is finished */
  4050. bnx2x_warpcore_reset_lane(bp, phy, 0);
  4051. DP(NETIF_MSG_LINK, "Exit config init\n");
  4052. }
  4053. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  4054. struct bnx2x_phy *phy,
  4055. u8 tx_en)
  4056. {
  4057. struct bnx2x *bp = params->bp;
  4058. u32 cfg_pin;
  4059. u8 port = params->port;
  4060. cfg_pin = REG_RD(bp, params->shmem_base +
  4061. offsetof(struct shmem_region,
  4062. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  4063. PORT_HW_CFG_TX_LASER_MASK;
  4064. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  4065. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  4066. /* For 20G, the expected pin to be used is 3 pins after the current */
  4067. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  4068. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  4069. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  4070. }
  4071. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  4072. struct link_params *params)
  4073. {
  4074. struct bnx2x *bp = params->bp;
  4075. u16 val16;
  4076. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  4077. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  4078. bnx2x_set_aer_mmd(params, phy);
  4079. /* Global register */
  4080. bnx2x_warpcore_reset_lane(bp, phy, 1);
  4081. /* Clear loopback settings (if any) */
  4082. /* 10G & 20G */
  4083. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4084. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  4085. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4086. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  4087. 0xBFFF);
  4088. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4089. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  4090. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4091. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  4092. /* Update those 1-copy registers */
  4093. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4094. MDIO_AER_BLOCK_AER_REG, 0);
  4095. /* Enable 1G MDIO (1-copy) */
  4096. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4097. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4098. &val16);
  4099. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4100. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4101. val16 & ~0x10);
  4102. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4103. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4104. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4105. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4106. val16 & 0xff00);
  4107. }
  4108. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4109. struct link_params *params)
  4110. {
  4111. struct bnx2x *bp = params->bp;
  4112. u16 val16;
  4113. u32 lane;
  4114. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4115. params->loopback_mode, phy->req_line_speed);
  4116. if (phy->req_line_speed < SPEED_10000) {
  4117. /* 10/100/1000 */
  4118. /* Update those 1-copy registers */
  4119. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4120. MDIO_AER_BLOCK_AER_REG, 0);
  4121. /* Enable 1G MDIO (1-copy) */
  4122. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4123. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4124. 0x10);
  4125. /* Set 1G loopback based on lane (1-copy) */
  4126. lane = bnx2x_get_warpcore_lane(phy, params);
  4127. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4128. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4129. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4130. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4131. val16 | (1<<lane));
  4132. /* Switch back to 4-copy registers */
  4133. bnx2x_set_aer_mmd(params, phy);
  4134. } else {
  4135. /* 10G & 20G */
  4136. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4137. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4138. 0x4000);
  4139. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4140. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4141. }
  4142. }
  4143. static void bnx2x_sync_link(struct link_params *params,
  4144. struct link_vars *vars)
  4145. {
  4146. struct bnx2x *bp = params->bp;
  4147. u8 link_10g_plus;
  4148. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4149. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4150. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4151. if (vars->link_up) {
  4152. DP(NETIF_MSG_LINK, "phy link up\n");
  4153. vars->phy_link_up = 1;
  4154. vars->duplex = DUPLEX_FULL;
  4155. switch (vars->link_status &
  4156. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4157. case LINK_10THD:
  4158. vars->duplex = DUPLEX_HALF;
  4159. /* Fall thru */
  4160. case LINK_10TFD:
  4161. vars->line_speed = SPEED_10;
  4162. break;
  4163. case LINK_100TXHD:
  4164. vars->duplex = DUPLEX_HALF;
  4165. /* Fall thru */
  4166. case LINK_100T4:
  4167. case LINK_100TXFD:
  4168. vars->line_speed = SPEED_100;
  4169. break;
  4170. case LINK_1000THD:
  4171. vars->duplex = DUPLEX_HALF;
  4172. /* Fall thru */
  4173. case LINK_1000TFD:
  4174. vars->line_speed = SPEED_1000;
  4175. break;
  4176. case LINK_2500THD:
  4177. vars->duplex = DUPLEX_HALF;
  4178. /* Fall thru */
  4179. case LINK_2500TFD:
  4180. vars->line_speed = SPEED_2500;
  4181. break;
  4182. case LINK_10GTFD:
  4183. vars->line_speed = SPEED_10000;
  4184. break;
  4185. case LINK_20GTFD:
  4186. vars->line_speed = SPEED_20000;
  4187. break;
  4188. default:
  4189. break;
  4190. }
  4191. vars->flow_ctrl = 0;
  4192. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4193. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4194. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4195. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4196. if (!vars->flow_ctrl)
  4197. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4198. if (vars->line_speed &&
  4199. ((vars->line_speed == SPEED_10) ||
  4200. (vars->line_speed == SPEED_100))) {
  4201. vars->phy_flags |= PHY_SGMII_FLAG;
  4202. } else {
  4203. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4204. }
  4205. if (vars->line_speed &&
  4206. USES_WARPCORE(bp) &&
  4207. (vars->line_speed == SPEED_1000))
  4208. vars->phy_flags |= PHY_SGMII_FLAG;
  4209. /* Anything 10 and over uses the bmac */
  4210. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4211. if (link_10g_plus) {
  4212. if (USES_WARPCORE(bp))
  4213. vars->mac_type = MAC_TYPE_XMAC;
  4214. else
  4215. vars->mac_type = MAC_TYPE_BMAC;
  4216. } else {
  4217. if (USES_WARPCORE(bp))
  4218. vars->mac_type = MAC_TYPE_UMAC;
  4219. else
  4220. vars->mac_type = MAC_TYPE_EMAC;
  4221. }
  4222. } else { /* Link down */
  4223. DP(NETIF_MSG_LINK, "phy link down\n");
  4224. vars->phy_link_up = 0;
  4225. vars->line_speed = 0;
  4226. vars->duplex = DUPLEX_FULL;
  4227. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4228. /* Indicate no mac active */
  4229. vars->mac_type = MAC_TYPE_NONE;
  4230. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4231. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4232. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4233. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4234. }
  4235. }
  4236. void bnx2x_link_status_update(struct link_params *params,
  4237. struct link_vars *vars)
  4238. {
  4239. struct bnx2x *bp = params->bp;
  4240. u8 port = params->port;
  4241. u32 sync_offset, media_types;
  4242. /* Update PHY configuration */
  4243. set_phy_vars(params, vars);
  4244. vars->link_status = REG_RD(bp, params->shmem_base +
  4245. offsetof(struct shmem_region,
  4246. port_mb[port].link_status));
  4247. if (bnx2x_eee_has_cap(params))
  4248. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4249. offsetof(struct shmem2_region,
  4250. eee_status[params->port]));
  4251. vars->phy_flags = PHY_XGXS_FLAG;
  4252. bnx2x_sync_link(params, vars);
  4253. /* Sync media type */
  4254. sync_offset = params->shmem_base +
  4255. offsetof(struct shmem_region,
  4256. dev_info.port_hw_config[port].media_type);
  4257. media_types = REG_RD(bp, sync_offset);
  4258. params->phy[INT_PHY].media_type =
  4259. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4260. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4261. params->phy[EXT_PHY1].media_type =
  4262. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4263. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4264. params->phy[EXT_PHY2].media_type =
  4265. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4266. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4267. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4268. /* Sync AEU offset */
  4269. sync_offset = params->shmem_base +
  4270. offsetof(struct shmem_region,
  4271. dev_info.port_hw_config[port].aeu_int_mask);
  4272. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4273. /* Sync PFC status */
  4274. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4275. params->feature_config_flags |=
  4276. FEATURE_CONFIG_PFC_ENABLED;
  4277. else
  4278. params->feature_config_flags &=
  4279. ~FEATURE_CONFIG_PFC_ENABLED;
  4280. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4281. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4282. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4283. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4284. }
  4285. static void bnx2x_set_master_ln(struct link_params *params,
  4286. struct bnx2x_phy *phy)
  4287. {
  4288. struct bnx2x *bp = params->bp;
  4289. u16 new_master_ln, ser_lane;
  4290. ser_lane = ((params->lane_config &
  4291. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4292. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4293. /* Set the master_ln for AN */
  4294. CL22_RD_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_XGXS_BLOCK2,
  4296. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4297. &new_master_ln);
  4298. CL22_WR_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4300. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4301. (new_master_ln | ser_lane));
  4302. }
  4303. static int bnx2x_reset_unicore(struct link_params *params,
  4304. struct bnx2x_phy *phy,
  4305. u8 set_serdes)
  4306. {
  4307. struct bnx2x *bp = params->bp;
  4308. u16 mii_control;
  4309. u16 i;
  4310. CL22_RD_OVER_CL45(bp, phy,
  4311. MDIO_REG_BANK_COMBO_IEEE0,
  4312. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4313. /* Reset the unicore */
  4314. CL22_WR_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_COMBO_IEEE0,
  4316. MDIO_COMBO_IEEE0_MII_CONTROL,
  4317. (mii_control |
  4318. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4319. if (set_serdes)
  4320. bnx2x_set_serdes_access(bp, params->port);
  4321. /* Wait for the reset to self clear */
  4322. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4323. udelay(5);
  4324. /* The reset erased the previous bank value */
  4325. CL22_RD_OVER_CL45(bp, phy,
  4326. MDIO_REG_BANK_COMBO_IEEE0,
  4327. MDIO_COMBO_IEEE0_MII_CONTROL,
  4328. &mii_control);
  4329. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4330. udelay(5);
  4331. return 0;
  4332. }
  4333. }
  4334. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4335. " Port %d\n",
  4336. params->port);
  4337. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4338. return -EINVAL;
  4339. }
  4340. static void bnx2x_set_swap_lanes(struct link_params *params,
  4341. struct bnx2x_phy *phy)
  4342. {
  4343. struct bnx2x *bp = params->bp;
  4344. /* Each two bits represents a lane number:
  4345. * No swap is 0123 => 0x1b no need to enable the swap
  4346. */
  4347. u16 rx_lane_swap, tx_lane_swap;
  4348. rx_lane_swap = ((params->lane_config &
  4349. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4350. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4351. tx_lane_swap = ((params->lane_config &
  4352. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4353. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4354. if (rx_lane_swap != 0x1b) {
  4355. CL22_WR_OVER_CL45(bp, phy,
  4356. MDIO_REG_BANK_XGXS_BLOCK2,
  4357. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4358. (rx_lane_swap |
  4359. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4360. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4361. } else {
  4362. CL22_WR_OVER_CL45(bp, phy,
  4363. MDIO_REG_BANK_XGXS_BLOCK2,
  4364. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4365. }
  4366. if (tx_lane_swap != 0x1b) {
  4367. CL22_WR_OVER_CL45(bp, phy,
  4368. MDIO_REG_BANK_XGXS_BLOCK2,
  4369. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4370. (tx_lane_swap |
  4371. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4372. } else {
  4373. CL22_WR_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_XGXS_BLOCK2,
  4375. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4376. }
  4377. }
  4378. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4379. struct link_params *params)
  4380. {
  4381. struct bnx2x *bp = params->bp;
  4382. u16 control2;
  4383. CL22_RD_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_SERDES_DIGITAL,
  4385. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4386. &control2);
  4387. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4388. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4389. else
  4390. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4391. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4392. phy->speed_cap_mask, control2);
  4393. CL22_WR_OVER_CL45(bp, phy,
  4394. MDIO_REG_BANK_SERDES_DIGITAL,
  4395. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4396. control2);
  4397. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4398. (phy->speed_cap_mask &
  4399. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4400. DP(NETIF_MSG_LINK, "XGXS\n");
  4401. CL22_WR_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4403. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4404. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4405. CL22_RD_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4407. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4408. &control2);
  4409. control2 |=
  4410. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4411. CL22_WR_OVER_CL45(bp, phy,
  4412. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4413. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4414. control2);
  4415. /* Disable parallel detection of HiG */
  4416. CL22_WR_OVER_CL45(bp, phy,
  4417. MDIO_REG_BANK_XGXS_BLOCK2,
  4418. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4419. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4420. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4421. }
  4422. }
  4423. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4424. struct link_params *params,
  4425. struct link_vars *vars,
  4426. u8 enable_cl73)
  4427. {
  4428. struct bnx2x *bp = params->bp;
  4429. u16 reg_val;
  4430. /* CL37 Autoneg */
  4431. CL22_RD_OVER_CL45(bp, phy,
  4432. MDIO_REG_BANK_COMBO_IEEE0,
  4433. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4434. /* CL37 Autoneg Enabled */
  4435. if (vars->line_speed == SPEED_AUTO_NEG)
  4436. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4437. else /* CL37 Autoneg Disabled */
  4438. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4439. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4440. CL22_WR_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_COMBO_IEEE0,
  4442. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4443. /* Enable/Disable Autodetection */
  4444. CL22_RD_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_SERDES_DIGITAL,
  4446. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4447. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4448. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4449. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4450. if (vars->line_speed == SPEED_AUTO_NEG)
  4451. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4452. else
  4453. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4454. CL22_WR_OVER_CL45(bp, phy,
  4455. MDIO_REG_BANK_SERDES_DIGITAL,
  4456. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4457. /* Enable TetonII and BAM autoneg */
  4458. CL22_RD_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4460. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4461. &reg_val);
  4462. if (vars->line_speed == SPEED_AUTO_NEG) {
  4463. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4464. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4465. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4466. } else {
  4467. /* TetonII and BAM Autoneg Disabled */
  4468. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4469. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4470. }
  4471. CL22_WR_OVER_CL45(bp, phy,
  4472. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4473. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4474. reg_val);
  4475. if (enable_cl73) {
  4476. /* Enable Cl73 FSM status bits */
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_CL73_USERB0,
  4479. MDIO_CL73_USERB0_CL73_UCTRL,
  4480. 0xe);
  4481. /* Enable BAM Station Manager*/
  4482. CL22_WR_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_CL73_USERB0,
  4484. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4485. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4486. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4487. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4488. /* Advertise CL73 link speeds */
  4489. CL22_RD_OVER_CL45(bp, phy,
  4490. MDIO_REG_BANK_CL73_IEEEB1,
  4491. MDIO_CL73_IEEEB1_AN_ADV2,
  4492. &reg_val);
  4493. if (phy->speed_cap_mask &
  4494. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4495. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4496. if (phy->speed_cap_mask &
  4497. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4498. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_CL73_IEEEB1,
  4501. MDIO_CL73_IEEEB1_AN_ADV2,
  4502. reg_val);
  4503. /* CL73 Autoneg Enabled */
  4504. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4505. } else /* CL73 Autoneg Disabled */
  4506. reg_val = 0;
  4507. CL22_WR_OVER_CL45(bp, phy,
  4508. MDIO_REG_BANK_CL73_IEEEB0,
  4509. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4510. }
  4511. /* Program SerDes, forced speed */
  4512. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4513. struct link_params *params,
  4514. struct link_vars *vars)
  4515. {
  4516. struct bnx2x *bp = params->bp;
  4517. u16 reg_val;
  4518. /* Program duplex, disable autoneg and sgmii*/
  4519. CL22_RD_OVER_CL45(bp, phy,
  4520. MDIO_REG_BANK_COMBO_IEEE0,
  4521. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4522. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4523. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4524. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4525. if (phy->req_duplex == DUPLEX_FULL)
  4526. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4527. CL22_WR_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_COMBO_IEEE0,
  4529. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4530. /* Program speed
  4531. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4532. */
  4533. CL22_RD_OVER_CL45(bp, phy,
  4534. MDIO_REG_BANK_SERDES_DIGITAL,
  4535. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4536. /* Clearing the speed value before setting the right speed */
  4537. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4538. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4539. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4540. if (!((vars->line_speed == SPEED_1000) ||
  4541. (vars->line_speed == SPEED_100) ||
  4542. (vars->line_speed == SPEED_10))) {
  4543. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4544. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4545. if (vars->line_speed == SPEED_10000)
  4546. reg_val |=
  4547. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4548. }
  4549. CL22_WR_OVER_CL45(bp, phy,
  4550. MDIO_REG_BANK_SERDES_DIGITAL,
  4551. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4552. }
  4553. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4554. struct link_params *params)
  4555. {
  4556. struct bnx2x *bp = params->bp;
  4557. u16 val = 0;
  4558. /* Set extended capabilities */
  4559. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4560. val |= MDIO_OVER_1G_UP1_2_5G;
  4561. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4562. val |= MDIO_OVER_1G_UP1_10G;
  4563. CL22_WR_OVER_CL45(bp, phy,
  4564. MDIO_REG_BANK_OVER_1G,
  4565. MDIO_OVER_1G_UP1, val);
  4566. CL22_WR_OVER_CL45(bp, phy,
  4567. MDIO_REG_BANK_OVER_1G,
  4568. MDIO_OVER_1G_UP3, 0x400);
  4569. }
  4570. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4571. struct link_params *params,
  4572. u16 ieee_fc)
  4573. {
  4574. struct bnx2x *bp = params->bp;
  4575. u16 val;
  4576. /* For AN, we are always publishing full duplex */
  4577. CL22_WR_OVER_CL45(bp, phy,
  4578. MDIO_REG_BANK_COMBO_IEEE0,
  4579. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4580. CL22_RD_OVER_CL45(bp, phy,
  4581. MDIO_REG_BANK_CL73_IEEEB1,
  4582. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4583. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4584. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4585. CL22_WR_OVER_CL45(bp, phy,
  4586. MDIO_REG_BANK_CL73_IEEEB1,
  4587. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4588. }
  4589. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4590. struct link_params *params,
  4591. u8 enable_cl73)
  4592. {
  4593. struct bnx2x *bp = params->bp;
  4594. u16 mii_control;
  4595. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4596. /* Enable and restart BAM/CL37 aneg */
  4597. if (enable_cl73) {
  4598. CL22_RD_OVER_CL45(bp, phy,
  4599. MDIO_REG_BANK_CL73_IEEEB0,
  4600. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4601. &mii_control);
  4602. CL22_WR_OVER_CL45(bp, phy,
  4603. MDIO_REG_BANK_CL73_IEEEB0,
  4604. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4605. (mii_control |
  4606. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4607. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4608. } else {
  4609. CL22_RD_OVER_CL45(bp, phy,
  4610. MDIO_REG_BANK_COMBO_IEEE0,
  4611. MDIO_COMBO_IEEE0_MII_CONTROL,
  4612. &mii_control);
  4613. DP(NETIF_MSG_LINK,
  4614. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4615. mii_control);
  4616. CL22_WR_OVER_CL45(bp, phy,
  4617. MDIO_REG_BANK_COMBO_IEEE0,
  4618. MDIO_COMBO_IEEE0_MII_CONTROL,
  4619. (mii_control |
  4620. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4621. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4622. }
  4623. }
  4624. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4625. struct link_params *params,
  4626. struct link_vars *vars)
  4627. {
  4628. struct bnx2x *bp = params->bp;
  4629. u16 control1;
  4630. /* In SGMII mode, the unicore is always slave */
  4631. CL22_RD_OVER_CL45(bp, phy,
  4632. MDIO_REG_BANK_SERDES_DIGITAL,
  4633. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4634. &control1);
  4635. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4636. /* Set sgmii mode (and not fiber) */
  4637. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4638. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4639. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4640. CL22_WR_OVER_CL45(bp, phy,
  4641. MDIO_REG_BANK_SERDES_DIGITAL,
  4642. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4643. control1);
  4644. /* If forced speed */
  4645. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4646. /* Set speed, disable autoneg */
  4647. u16 mii_control;
  4648. CL22_RD_OVER_CL45(bp, phy,
  4649. MDIO_REG_BANK_COMBO_IEEE0,
  4650. MDIO_COMBO_IEEE0_MII_CONTROL,
  4651. &mii_control);
  4652. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4653. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4654. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4655. switch (vars->line_speed) {
  4656. case SPEED_100:
  4657. mii_control |=
  4658. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4659. break;
  4660. case SPEED_1000:
  4661. mii_control |=
  4662. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4663. break;
  4664. case SPEED_10:
  4665. /* There is nothing to set for 10M */
  4666. break;
  4667. default:
  4668. /* Invalid speed for SGMII */
  4669. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4670. vars->line_speed);
  4671. break;
  4672. }
  4673. /* Setting the full duplex */
  4674. if (phy->req_duplex == DUPLEX_FULL)
  4675. mii_control |=
  4676. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4677. CL22_WR_OVER_CL45(bp, phy,
  4678. MDIO_REG_BANK_COMBO_IEEE0,
  4679. MDIO_COMBO_IEEE0_MII_CONTROL,
  4680. mii_control);
  4681. } else { /* AN mode */
  4682. /* Enable and restart AN */
  4683. bnx2x_restart_autoneg(phy, params, 0);
  4684. }
  4685. }
  4686. /* Link management
  4687. */
  4688. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4689. struct link_params *params)
  4690. {
  4691. struct bnx2x *bp = params->bp;
  4692. u16 pd_10g, status2_1000x;
  4693. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4694. return 0;
  4695. CL22_RD_OVER_CL45(bp, phy,
  4696. MDIO_REG_BANK_SERDES_DIGITAL,
  4697. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4698. &status2_1000x);
  4699. CL22_RD_OVER_CL45(bp, phy,
  4700. MDIO_REG_BANK_SERDES_DIGITAL,
  4701. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4702. &status2_1000x);
  4703. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4704. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4705. params->port);
  4706. return 1;
  4707. }
  4708. CL22_RD_OVER_CL45(bp, phy,
  4709. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4710. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4711. &pd_10g);
  4712. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4713. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4714. params->port);
  4715. return 1;
  4716. }
  4717. return 0;
  4718. }
  4719. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4720. struct link_params *params,
  4721. struct link_vars *vars,
  4722. u32 gp_status)
  4723. {
  4724. u16 ld_pause; /* local driver */
  4725. u16 lp_pause; /* link partner */
  4726. u16 pause_result;
  4727. struct bnx2x *bp = params->bp;
  4728. if ((gp_status &
  4729. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4730. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4731. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4732. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4733. CL22_RD_OVER_CL45(bp, phy,
  4734. MDIO_REG_BANK_CL73_IEEEB1,
  4735. MDIO_CL73_IEEEB1_AN_ADV1,
  4736. &ld_pause);
  4737. CL22_RD_OVER_CL45(bp, phy,
  4738. MDIO_REG_BANK_CL73_IEEEB1,
  4739. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4740. &lp_pause);
  4741. pause_result = (ld_pause &
  4742. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4743. pause_result |= (lp_pause &
  4744. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4745. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4746. } else {
  4747. CL22_RD_OVER_CL45(bp, phy,
  4748. MDIO_REG_BANK_COMBO_IEEE0,
  4749. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4750. &ld_pause);
  4751. CL22_RD_OVER_CL45(bp, phy,
  4752. MDIO_REG_BANK_COMBO_IEEE0,
  4753. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4754. &lp_pause);
  4755. pause_result = (ld_pause &
  4756. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4757. pause_result |= (lp_pause &
  4758. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4759. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4760. }
  4761. bnx2x_pause_resolve(vars, pause_result);
  4762. }
  4763. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4764. struct link_params *params,
  4765. struct link_vars *vars,
  4766. u32 gp_status)
  4767. {
  4768. struct bnx2x *bp = params->bp;
  4769. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4770. /* Resolve from gp_status in case of AN complete and not sgmii */
  4771. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4772. /* Update the advertised flow-controled of LD/LP in AN */
  4773. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4774. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4775. /* But set the flow-control result as the requested one */
  4776. vars->flow_ctrl = phy->req_flow_ctrl;
  4777. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4778. vars->flow_ctrl = params->req_fc_auto_adv;
  4779. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4780. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4781. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4782. vars->flow_ctrl = params->req_fc_auto_adv;
  4783. return;
  4784. }
  4785. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4786. }
  4787. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4788. }
  4789. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4790. struct link_params *params)
  4791. {
  4792. struct bnx2x *bp = params->bp;
  4793. u16 rx_status, ustat_val, cl37_fsm_received;
  4794. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4795. /* Step 1: Make sure signal is detected */
  4796. CL22_RD_OVER_CL45(bp, phy,
  4797. MDIO_REG_BANK_RX0,
  4798. MDIO_RX0_RX_STATUS,
  4799. &rx_status);
  4800. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4801. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4802. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4803. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4804. CL22_WR_OVER_CL45(bp, phy,
  4805. MDIO_REG_BANK_CL73_IEEEB0,
  4806. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4807. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4808. return;
  4809. }
  4810. /* Step 2: Check CL73 state machine */
  4811. CL22_RD_OVER_CL45(bp, phy,
  4812. MDIO_REG_BANK_CL73_USERB0,
  4813. MDIO_CL73_USERB0_CL73_USTAT1,
  4814. &ustat_val);
  4815. if ((ustat_val &
  4816. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4817. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4818. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4819. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4820. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4821. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4822. return;
  4823. }
  4824. /* Step 3: Check CL37 Message Pages received to indicate LP
  4825. * supports only CL37
  4826. */
  4827. CL22_RD_OVER_CL45(bp, phy,
  4828. MDIO_REG_BANK_REMOTE_PHY,
  4829. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4830. &cl37_fsm_received);
  4831. if ((cl37_fsm_received &
  4832. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4833. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4834. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4835. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4836. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4837. "misc_rx_status(0x8330) = 0x%x\n",
  4838. cl37_fsm_received);
  4839. return;
  4840. }
  4841. /* The combined cl37/cl73 fsm state information indicating that
  4842. * we are connected to a device which does not support cl73, but
  4843. * does support cl37 BAM. In this case we disable cl73 and
  4844. * restart cl37 auto-neg
  4845. */
  4846. /* Disable CL73 */
  4847. CL22_WR_OVER_CL45(bp, phy,
  4848. MDIO_REG_BANK_CL73_IEEEB0,
  4849. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4850. 0);
  4851. /* Restart CL37 autoneg */
  4852. bnx2x_restart_autoneg(phy, params, 0);
  4853. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4854. }
  4855. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4856. struct link_params *params,
  4857. struct link_vars *vars,
  4858. u32 gp_status)
  4859. {
  4860. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4861. vars->link_status |=
  4862. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4863. if (bnx2x_direct_parallel_detect_used(phy, params))
  4864. vars->link_status |=
  4865. LINK_STATUS_PARALLEL_DETECTION_USED;
  4866. }
  4867. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4868. struct link_params *params,
  4869. struct link_vars *vars,
  4870. u16 is_link_up,
  4871. u16 speed_mask,
  4872. u16 is_duplex)
  4873. {
  4874. struct bnx2x *bp = params->bp;
  4875. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4876. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4877. if (is_link_up) {
  4878. DP(NETIF_MSG_LINK, "phy link up\n");
  4879. vars->phy_link_up = 1;
  4880. vars->link_status |= LINK_STATUS_LINK_UP;
  4881. switch (speed_mask) {
  4882. case GP_STATUS_10M:
  4883. vars->line_speed = SPEED_10;
  4884. if (vars->duplex == DUPLEX_FULL)
  4885. vars->link_status |= LINK_10TFD;
  4886. else
  4887. vars->link_status |= LINK_10THD;
  4888. break;
  4889. case GP_STATUS_100M:
  4890. vars->line_speed = SPEED_100;
  4891. if (vars->duplex == DUPLEX_FULL)
  4892. vars->link_status |= LINK_100TXFD;
  4893. else
  4894. vars->link_status |= LINK_100TXHD;
  4895. break;
  4896. case GP_STATUS_1G:
  4897. case GP_STATUS_1G_KX:
  4898. vars->line_speed = SPEED_1000;
  4899. if (vars->duplex == DUPLEX_FULL)
  4900. vars->link_status |= LINK_1000TFD;
  4901. else
  4902. vars->link_status |= LINK_1000THD;
  4903. break;
  4904. case GP_STATUS_2_5G:
  4905. vars->line_speed = SPEED_2500;
  4906. if (vars->duplex == DUPLEX_FULL)
  4907. vars->link_status |= LINK_2500TFD;
  4908. else
  4909. vars->link_status |= LINK_2500THD;
  4910. break;
  4911. case GP_STATUS_5G:
  4912. case GP_STATUS_6G:
  4913. DP(NETIF_MSG_LINK,
  4914. "link speed unsupported gp_status 0x%x\n",
  4915. speed_mask);
  4916. return -EINVAL;
  4917. case GP_STATUS_10G_KX4:
  4918. case GP_STATUS_10G_HIG:
  4919. case GP_STATUS_10G_CX4:
  4920. case GP_STATUS_10G_KR:
  4921. case GP_STATUS_10G_SFI:
  4922. case GP_STATUS_10G_XFI:
  4923. vars->line_speed = SPEED_10000;
  4924. vars->link_status |= LINK_10GTFD;
  4925. break;
  4926. case GP_STATUS_20G_DXGXS:
  4927. vars->line_speed = SPEED_20000;
  4928. vars->link_status |= LINK_20GTFD;
  4929. break;
  4930. default:
  4931. DP(NETIF_MSG_LINK,
  4932. "link speed unsupported gp_status 0x%x\n",
  4933. speed_mask);
  4934. return -EINVAL;
  4935. }
  4936. } else { /* link_down */
  4937. DP(NETIF_MSG_LINK, "phy link down\n");
  4938. vars->phy_link_up = 0;
  4939. vars->duplex = DUPLEX_FULL;
  4940. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4941. vars->mac_type = MAC_TYPE_NONE;
  4942. }
  4943. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4944. vars->phy_link_up, vars->line_speed);
  4945. return 0;
  4946. }
  4947. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4948. struct link_params *params,
  4949. struct link_vars *vars)
  4950. {
  4951. struct bnx2x *bp = params->bp;
  4952. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4953. int rc = 0;
  4954. /* Read gp_status */
  4955. CL22_RD_OVER_CL45(bp, phy,
  4956. MDIO_REG_BANK_GP_STATUS,
  4957. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4958. &gp_status);
  4959. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4960. duplex = DUPLEX_FULL;
  4961. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4962. link_up = 1;
  4963. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4964. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4965. gp_status, link_up, speed_mask);
  4966. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4967. duplex);
  4968. if (rc == -EINVAL)
  4969. return rc;
  4970. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4971. if (SINGLE_MEDIA_DIRECT(params)) {
  4972. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4973. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4974. bnx2x_xgxs_an_resolve(phy, params, vars,
  4975. gp_status);
  4976. }
  4977. } else { /* Link_down */
  4978. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4979. SINGLE_MEDIA_DIRECT(params)) {
  4980. /* Check signal is detected */
  4981. bnx2x_check_fallback_to_cl37(phy, params);
  4982. }
  4983. }
  4984. /* Read LP advertised speeds*/
  4985. if (SINGLE_MEDIA_DIRECT(params) &&
  4986. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4987. u16 val;
  4988. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4989. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4990. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4991. vars->link_status |=
  4992. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4993. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4994. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4995. vars->link_status |=
  4996. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4997. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4998. MDIO_OVER_1G_LP_UP1, &val);
  4999. if (val & MDIO_OVER_1G_UP1_2_5G)
  5000. vars->link_status |=
  5001. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5002. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5003. vars->link_status |=
  5004. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5005. }
  5006. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5007. vars->duplex, vars->flow_ctrl, vars->link_status);
  5008. return rc;
  5009. }
  5010. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  5011. struct link_params *params,
  5012. struct link_vars *vars)
  5013. {
  5014. struct bnx2x *bp = params->bp;
  5015. u8 lane;
  5016. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  5017. int rc = 0;
  5018. lane = bnx2x_get_warpcore_lane(phy, params);
  5019. /* Read gp_status */
  5020. if (phy->req_line_speed > SPEED_10000) {
  5021. u16 temp_link_up;
  5022. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5023. 1, &temp_link_up);
  5024. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5025. 1, &link_up);
  5026. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  5027. temp_link_up, link_up);
  5028. link_up &= (1<<2);
  5029. if (link_up)
  5030. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5031. } else {
  5032. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5033. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  5034. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  5035. /* Check for either KR or generic link up. */
  5036. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  5037. ((gp_status1 >> 12) & 0xf);
  5038. link_up = gp_status1 & (1 << lane);
  5039. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  5040. u16 pd, gp_status4;
  5041. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  5042. /* Check Autoneg complete */
  5043. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5044. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  5045. &gp_status4);
  5046. if (gp_status4 & ((1<<12)<<lane))
  5047. vars->link_status |=
  5048. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5049. /* Check parallel detect used */
  5050. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5051. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5052. &pd);
  5053. if (pd & (1<<15))
  5054. vars->link_status |=
  5055. LINK_STATUS_PARALLEL_DETECTION_USED;
  5056. }
  5057. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5058. }
  5059. }
  5060. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5061. SINGLE_MEDIA_DIRECT(params)) {
  5062. u16 val;
  5063. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5064. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5065. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5066. vars->link_status |=
  5067. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5068. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5069. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5070. vars->link_status |=
  5071. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5072. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5073. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5074. if (val & MDIO_OVER_1G_UP1_2_5G)
  5075. vars->link_status |=
  5076. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5077. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5078. vars->link_status |=
  5079. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5080. }
  5081. if (lane < 2) {
  5082. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5083. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5084. } else {
  5085. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5086. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5087. }
  5088. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5089. if ((lane & 1) == 0)
  5090. gp_speed <<= 8;
  5091. gp_speed &= 0x3f00;
  5092. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5093. duplex);
  5094. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5095. vars->duplex, vars->flow_ctrl, vars->link_status);
  5096. return rc;
  5097. }
  5098. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5099. {
  5100. struct bnx2x *bp = params->bp;
  5101. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5102. u16 lp_up2;
  5103. u16 tx_driver;
  5104. u16 bank;
  5105. /* Read precomp */
  5106. CL22_RD_OVER_CL45(bp, phy,
  5107. MDIO_REG_BANK_OVER_1G,
  5108. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5109. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5110. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5111. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5112. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5113. if (lp_up2 == 0)
  5114. return;
  5115. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5116. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5117. CL22_RD_OVER_CL45(bp, phy,
  5118. bank,
  5119. MDIO_TX0_TX_DRIVER, &tx_driver);
  5120. /* Replace tx_driver bits [15:12] */
  5121. if (lp_up2 !=
  5122. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5123. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5124. tx_driver |= lp_up2;
  5125. CL22_WR_OVER_CL45(bp, phy,
  5126. bank,
  5127. MDIO_TX0_TX_DRIVER, tx_driver);
  5128. }
  5129. }
  5130. }
  5131. static int bnx2x_emac_program(struct link_params *params,
  5132. struct link_vars *vars)
  5133. {
  5134. struct bnx2x *bp = params->bp;
  5135. u8 port = params->port;
  5136. u16 mode = 0;
  5137. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5138. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5139. EMAC_REG_EMAC_MODE,
  5140. (EMAC_MODE_25G_MODE |
  5141. EMAC_MODE_PORT_MII_10M |
  5142. EMAC_MODE_HALF_DUPLEX));
  5143. switch (vars->line_speed) {
  5144. case SPEED_10:
  5145. mode |= EMAC_MODE_PORT_MII_10M;
  5146. break;
  5147. case SPEED_100:
  5148. mode |= EMAC_MODE_PORT_MII;
  5149. break;
  5150. case SPEED_1000:
  5151. mode |= EMAC_MODE_PORT_GMII;
  5152. break;
  5153. case SPEED_2500:
  5154. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5155. break;
  5156. default:
  5157. /* 10G not valid for EMAC */
  5158. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5159. vars->line_speed);
  5160. return -EINVAL;
  5161. }
  5162. if (vars->duplex == DUPLEX_HALF)
  5163. mode |= EMAC_MODE_HALF_DUPLEX;
  5164. bnx2x_bits_en(bp,
  5165. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5166. mode);
  5167. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5168. return 0;
  5169. }
  5170. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5171. struct link_params *params)
  5172. {
  5173. u16 bank, i = 0;
  5174. struct bnx2x *bp = params->bp;
  5175. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5176. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5177. CL22_WR_OVER_CL45(bp, phy,
  5178. bank,
  5179. MDIO_RX0_RX_EQ_BOOST,
  5180. phy->rx_preemphasis[i]);
  5181. }
  5182. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5183. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5184. CL22_WR_OVER_CL45(bp, phy,
  5185. bank,
  5186. MDIO_TX0_TX_DRIVER,
  5187. phy->tx_preemphasis[i]);
  5188. }
  5189. }
  5190. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5191. struct link_params *params,
  5192. struct link_vars *vars)
  5193. {
  5194. struct bnx2x *bp = params->bp;
  5195. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5196. (params->loopback_mode == LOOPBACK_XGXS));
  5197. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5198. if (SINGLE_MEDIA_DIRECT(params) &&
  5199. (params->feature_config_flags &
  5200. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5201. bnx2x_set_preemphasis(phy, params);
  5202. /* Forced speed requested? */
  5203. if (vars->line_speed != SPEED_AUTO_NEG ||
  5204. (SINGLE_MEDIA_DIRECT(params) &&
  5205. params->loopback_mode == LOOPBACK_EXT)) {
  5206. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5207. /* Disable autoneg */
  5208. bnx2x_set_autoneg(phy, params, vars, 0);
  5209. /* Program speed and duplex */
  5210. bnx2x_program_serdes(phy, params, vars);
  5211. } else { /* AN_mode */
  5212. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5213. /* AN enabled */
  5214. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5215. /* Program duplex & pause advertisement (for aneg) */
  5216. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5217. vars->ieee_fc);
  5218. /* Enable autoneg */
  5219. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5220. /* Enable and restart AN */
  5221. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5222. }
  5223. } else { /* SGMII mode */
  5224. DP(NETIF_MSG_LINK, "SGMII\n");
  5225. bnx2x_initialize_sgmii_process(phy, params, vars);
  5226. }
  5227. }
  5228. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5229. struct link_params *params,
  5230. struct link_vars *vars)
  5231. {
  5232. int rc;
  5233. vars->phy_flags |= PHY_XGXS_FLAG;
  5234. if ((phy->req_line_speed &&
  5235. ((phy->req_line_speed == SPEED_100) ||
  5236. (phy->req_line_speed == SPEED_10))) ||
  5237. (!phy->req_line_speed &&
  5238. (phy->speed_cap_mask >=
  5239. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5240. (phy->speed_cap_mask <
  5241. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5242. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5243. vars->phy_flags |= PHY_SGMII_FLAG;
  5244. else
  5245. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5246. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5247. bnx2x_set_aer_mmd(params, phy);
  5248. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5249. bnx2x_set_master_ln(params, phy);
  5250. rc = bnx2x_reset_unicore(params, phy, 0);
  5251. /* Reset the SerDes and wait for reset bit return low */
  5252. if (rc)
  5253. return rc;
  5254. bnx2x_set_aer_mmd(params, phy);
  5255. /* Setting the masterLn_def again after the reset */
  5256. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5257. bnx2x_set_master_ln(params, phy);
  5258. bnx2x_set_swap_lanes(params, phy);
  5259. }
  5260. return rc;
  5261. }
  5262. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5263. struct bnx2x_phy *phy,
  5264. struct link_params *params)
  5265. {
  5266. u16 cnt, ctrl;
  5267. /* Wait for soft reset to get cleared up to 1 sec */
  5268. for (cnt = 0; cnt < 1000; cnt++) {
  5269. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5270. bnx2x_cl22_read(bp, phy,
  5271. MDIO_PMA_REG_CTRL, &ctrl);
  5272. else
  5273. bnx2x_cl45_read(bp, phy,
  5274. MDIO_PMA_DEVAD,
  5275. MDIO_PMA_REG_CTRL, &ctrl);
  5276. if (!(ctrl & (1<<15)))
  5277. break;
  5278. usleep_range(1000, 2000);
  5279. }
  5280. if (cnt == 1000)
  5281. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5282. " Port %d\n",
  5283. params->port);
  5284. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5285. return cnt;
  5286. }
  5287. static void bnx2x_link_int_enable(struct link_params *params)
  5288. {
  5289. u8 port = params->port;
  5290. u32 mask;
  5291. struct bnx2x *bp = params->bp;
  5292. /* Setting the status to report on link up for either XGXS or SerDes */
  5293. if (CHIP_IS_E3(bp)) {
  5294. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5295. if (!(SINGLE_MEDIA_DIRECT(params)))
  5296. mask |= NIG_MASK_MI_INT;
  5297. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5298. mask = (NIG_MASK_XGXS0_LINK10G |
  5299. NIG_MASK_XGXS0_LINK_STATUS);
  5300. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5301. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5302. params->phy[INT_PHY].type !=
  5303. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5304. mask |= NIG_MASK_MI_INT;
  5305. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5306. }
  5307. } else { /* SerDes */
  5308. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5309. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5310. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5311. params->phy[INT_PHY].type !=
  5312. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5313. mask |= NIG_MASK_MI_INT;
  5314. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5315. }
  5316. }
  5317. bnx2x_bits_en(bp,
  5318. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5319. mask);
  5320. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5321. (params->switch_cfg == SWITCH_CFG_10G),
  5322. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5323. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5324. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5325. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5326. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5327. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5328. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5329. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5330. }
  5331. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5332. u8 exp_mi_int)
  5333. {
  5334. u32 latch_status = 0;
  5335. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5336. * status register. Link down indication is high-active-signal,
  5337. * so in this case we need to write the status to clear the XOR
  5338. */
  5339. /* Read Latched signals */
  5340. latch_status = REG_RD(bp,
  5341. NIG_REG_LATCH_STATUS_0 + port*8);
  5342. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5343. /* Handle only those with latched-signal=up.*/
  5344. if (exp_mi_int)
  5345. bnx2x_bits_en(bp,
  5346. NIG_REG_STATUS_INTERRUPT_PORT0
  5347. + port*4,
  5348. NIG_STATUS_EMAC0_MI_INT);
  5349. else
  5350. bnx2x_bits_dis(bp,
  5351. NIG_REG_STATUS_INTERRUPT_PORT0
  5352. + port*4,
  5353. NIG_STATUS_EMAC0_MI_INT);
  5354. if (latch_status & 1) {
  5355. /* For all latched-signal=up : Re-Arm Latch signals */
  5356. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5357. (latch_status & 0xfffe) | (latch_status & 1));
  5358. }
  5359. /* For all latched-signal=up,Write original_signal to status */
  5360. }
  5361. static void bnx2x_link_int_ack(struct link_params *params,
  5362. struct link_vars *vars, u8 is_10g_plus)
  5363. {
  5364. struct bnx2x *bp = params->bp;
  5365. u8 port = params->port;
  5366. u32 mask;
  5367. /* First reset all status we assume only one line will be
  5368. * change at a time
  5369. */
  5370. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5371. (NIG_STATUS_XGXS0_LINK10G |
  5372. NIG_STATUS_XGXS0_LINK_STATUS |
  5373. NIG_STATUS_SERDES0_LINK_STATUS));
  5374. if (vars->phy_link_up) {
  5375. if (USES_WARPCORE(bp))
  5376. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5377. else {
  5378. if (is_10g_plus)
  5379. mask = NIG_STATUS_XGXS0_LINK10G;
  5380. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5381. /* Disable the link interrupt by writing 1 to
  5382. * the relevant lane in the status register
  5383. */
  5384. u32 ser_lane =
  5385. ((params->lane_config &
  5386. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5387. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5388. mask = ((1 << ser_lane) <<
  5389. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5390. } else
  5391. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5392. }
  5393. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5394. mask);
  5395. bnx2x_bits_en(bp,
  5396. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5397. mask);
  5398. }
  5399. }
  5400. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5401. {
  5402. u8 *str_ptr = str;
  5403. u32 mask = 0xf0000000;
  5404. u8 shift = 8*4;
  5405. u8 digit;
  5406. u8 remove_leading_zeros = 1;
  5407. if (*len < 10) {
  5408. /* Need more than 10chars for this format */
  5409. *str_ptr = '\0';
  5410. (*len)--;
  5411. return -EINVAL;
  5412. }
  5413. while (shift > 0) {
  5414. shift -= 4;
  5415. digit = ((num & mask) >> shift);
  5416. if (digit == 0 && remove_leading_zeros) {
  5417. mask = mask >> 4;
  5418. continue;
  5419. } else if (digit < 0xa)
  5420. *str_ptr = digit + '0';
  5421. else
  5422. *str_ptr = digit - 0xa + 'a';
  5423. remove_leading_zeros = 0;
  5424. str_ptr++;
  5425. (*len)--;
  5426. mask = mask >> 4;
  5427. if (shift == 4*4) {
  5428. *str_ptr = '.';
  5429. str_ptr++;
  5430. (*len)--;
  5431. remove_leading_zeros = 1;
  5432. }
  5433. }
  5434. return 0;
  5435. }
  5436. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5437. {
  5438. str[0] = '\0';
  5439. (*len)--;
  5440. return 0;
  5441. }
  5442. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5443. u16 len)
  5444. {
  5445. struct bnx2x *bp;
  5446. u32 spirom_ver = 0;
  5447. int status = 0;
  5448. u8 *ver_p = version;
  5449. u16 remain_len = len;
  5450. if (version == NULL || params == NULL)
  5451. return -EINVAL;
  5452. bp = params->bp;
  5453. /* Extract first external phy*/
  5454. version[0] = '\0';
  5455. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5456. if (params->phy[EXT_PHY1].format_fw_ver) {
  5457. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5458. ver_p,
  5459. &remain_len);
  5460. ver_p += (len - remain_len);
  5461. }
  5462. if ((params->num_phys == MAX_PHYS) &&
  5463. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5464. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5465. if (params->phy[EXT_PHY2].format_fw_ver) {
  5466. *ver_p = '/';
  5467. ver_p++;
  5468. remain_len--;
  5469. status |= params->phy[EXT_PHY2].format_fw_ver(
  5470. spirom_ver,
  5471. ver_p,
  5472. &remain_len);
  5473. ver_p = version + (len - remain_len);
  5474. }
  5475. }
  5476. *ver_p = '\0';
  5477. return status;
  5478. }
  5479. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5480. struct link_params *params)
  5481. {
  5482. u8 port = params->port;
  5483. struct bnx2x *bp = params->bp;
  5484. if (phy->req_line_speed != SPEED_1000) {
  5485. u32 md_devad = 0;
  5486. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5487. if (!CHIP_IS_E3(bp)) {
  5488. /* Change the uni_phy_addr in the nig */
  5489. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5490. port*0x18));
  5491. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5492. 0x5);
  5493. }
  5494. bnx2x_cl45_write(bp, phy,
  5495. 5,
  5496. (MDIO_REG_BANK_AER_BLOCK +
  5497. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5498. 0x2800);
  5499. bnx2x_cl45_write(bp, phy,
  5500. 5,
  5501. (MDIO_REG_BANK_CL73_IEEEB0 +
  5502. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5503. 0x6041);
  5504. msleep(200);
  5505. /* Set aer mmd back */
  5506. bnx2x_set_aer_mmd(params, phy);
  5507. if (!CHIP_IS_E3(bp)) {
  5508. /* And md_devad */
  5509. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5510. md_devad);
  5511. }
  5512. } else {
  5513. u16 mii_ctrl;
  5514. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5515. bnx2x_cl45_read(bp, phy, 5,
  5516. (MDIO_REG_BANK_COMBO_IEEE0 +
  5517. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5518. &mii_ctrl);
  5519. bnx2x_cl45_write(bp, phy, 5,
  5520. (MDIO_REG_BANK_COMBO_IEEE0 +
  5521. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5522. mii_ctrl |
  5523. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5524. }
  5525. }
  5526. int bnx2x_set_led(struct link_params *params,
  5527. struct link_vars *vars, u8 mode, u32 speed)
  5528. {
  5529. u8 port = params->port;
  5530. u16 hw_led_mode = params->hw_led_mode;
  5531. int rc = 0;
  5532. u8 phy_idx;
  5533. u32 tmp;
  5534. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5535. struct bnx2x *bp = params->bp;
  5536. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5537. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5538. speed, hw_led_mode);
  5539. /* In case */
  5540. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5541. if (params->phy[phy_idx].set_link_led) {
  5542. params->phy[phy_idx].set_link_led(
  5543. &params->phy[phy_idx], params, mode);
  5544. }
  5545. }
  5546. switch (mode) {
  5547. case LED_MODE_FRONT_PANEL_OFF:
  5548. case LED_MODE_OFF:
  5549. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5550. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5551. SHARED_HW_CFG_LED_MAC1);
  5552. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5553. if (params->phy[EXT_PHY1].type ==
  5554. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5555. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5556. EMAC_LED_100MB_OVERRIDE |
  5557. EMAC_LED_10MB_OVERRIDE);
  5558. else
  5559. tmp |= EMAC_LED_OVERRIDE;
  5560. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5561. break;
  5562. case LED_MODE_OPER:
  5563. /* For all other phys, OPER mode is same as ON, so in case
  5564. * link is down, do nothing
  5565. */
  5566. if (!vars->link_up)
  5567. break;
  5568. case LED_MODE_ON:
  5569. if (((params->phy[EXT_PHY1].type ==
  5570. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5571. (params->phy[EXT_PHY1].type ==
  5572. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5573. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5574. /* This is a work-around for E2+8727 Configurations */
  5575. if (mode == LED_MODE_ON ||
  5576. speed == SPEED_10000){
  5577. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5578. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5579. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5580. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5581. (tmp | EMAC_LED_OVERRIDE));
  5582. /* Return here without enabling traffic
  5583. * LED blink and setting rate in ON mode.
  5584. * In oper mode, enabling LED blink
  5585. * and setting rate is needed.
  5586. */
  5587. if (mode == LED_MODE_ON)
  5588. return rc;
  5589. }
  5590. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5591. /* This is a work-around for HW issue found when link
  5592. * is up in CL73
  5593. */
  5594. if ((!CHIP_IS_E3(bp)) ||
  5595. (CHIP_IS_E3(bp) &&
  5596. mode == LED_MODE_ON))
  5597. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5598. if (CHIP_IS_E1x(bp) ||
  5599. CHIP_IS_E2(bp) ||
  5600. (mode == LED_MODE_ON))
  5601. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5602. else
  5603. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5604. hw_led_mode);
  5605. } else if ((params->phy[EXT_PHY1].type ==
  5606. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5607. (mode == LED_MODE_ON)) {
  5608. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5609. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5610. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5611. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5612. /* Break here; otherwise, it'll disable the
  5613. * intended override.
  5614. */
  5615. break;
  5616. } else
  5617. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5618. hw_led_mode);
  5619. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5620. /* Set blinking rate to ~15.9Hz */
  5621. if (CHIP_IS_E3(bp))
  5622. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5623. LED_BLINK_RATE_VAL_E3);
  5624. else
  5625. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5626. LED_BLINK_RATE_VAL_E1X_E2);
  5627. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5628. port*4, 1);
  5629. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5630. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5631. (tmp & (~EMAC_LED_OVERRIDE)));
  5632. if (CHIP_IS_E1(bp) &&
  5633. ((speed == SPEED_2500) ||
  5634. (speed == SPEED_1000) ||
  5635. (speed == SPEED_100) ||
  5636. (speed == SPEED_10))) {
  5637. /* For speeds less than 10G LED scheme is different */
  5638. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5639. + port*4, 1);
  5640. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5641. port*4, 0);
  5642. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5643. port*4, 1);
  5644. }
  5645. break;
  5646. default:
  5647. rc = -EINVAL;
  5648. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5649. mode);
  5650. break;
  5651. }
  5652. return rc;
  5653. }
  5654. /* This function comes to reflect the actual link state read DIRECTLY from the
  5655. * HW
  5656. */
  5657. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5658. u8 is_serdes)
  5659. {
  5660. struct bnx2x *bp = params->bp;
  5661. u16 gp_status = 0, phy_index = 0;
  5662. u8 ext_phy_link_up = 0, serdes_phy_type;
  5663. struct link_vars temp_vars;
  5664. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5665. if (CHIP_IS_E3(bp)) {
  5666. u16 link_up;
  5667. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5668. > SPEED_10000) {
  5669. /* Check 20G link */
  5670. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5671. 1, &link_up);
  5672. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5673. 1, &link_up);
  5674. link_up &= (1<<2);
  5675. } else {
  5676. /* Check 10G link and below*/
  5677. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5678. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5679. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5680. &gp_status);
  5681. gp_status = ((gp_status >> 8) & 0xf) |
  5682. ((gp_status >> 12) & 0xf);
  5683. link_up = gp_status & (1 << lane);
  5684. }
  5685. if (!link_up)
  5686. return -ESRCH;
  5687. } else {
  5688. CL22_RD_OVER_CL45(bp, int_phy,
  5689. MDIO_REG_BANK_GP_STATUS,
  5690. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5691. &gp_status);
  5692. /* Link is up only if both local phy and external phy are up */
  5693. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5694. return -ESRCH;
  5695. }
  5696. /* In XGXS loopback mode, do not check external PHY */
  5697. if (params->loopback_mode == LOOPBACK_XGXS)
  5698. return 0;
  5699. switch (params->num_phys) {
  5700. case 1:
  5701. /* No external PHY */
  5702. return 0;
  5703. case 2:
  5704. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5705. &params->phy[EXT_PHY1],
  5706. params, &temp_vars);
  5707. break;
  5708. case 3: /* Dual Media */
  5709. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5710. phy_index++) {
  5711. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5712. ETH_PHY_SFPP_10G_FIBER) ||
  5713. (params->phy[phy_index].media_type ==
  5714. ETH_PHY_SFP_1G_FIBER) ||
  5715. (params->phy[phy_index].media_type ==
  5716. ETH_PHY_XFP_FIBER) ||
  5717. (params->phy[phy_index].media_type ==
  5718. ETH_PHY_DA_TWINAX));
  5719. if (is_serdes != serdes_phy_type)
  5720. continue;
  5721. if (params->phy[phy_index].read_status) {
  5722. ext_phy_link_up |=
  5723. params->phy[phy_index].read_status(
  5724. &params->phy[phy_index],
  5725. params, &temp_vars);
  5726. }
  5727. }
  5728. break;
  5729. }
  5730. if (ext_phy_link_up)
  5731. return 0;
  5732. return -ESRCH;
  5733. }
  5734. static int bnx2x_link_initialize(struct link_params *params,
  5735. struct link_vars *vars)
  5736. {
  5737. int rc = 0;
  5738. u8 phy_index, non_ext_phy;
  5739. struct bnx2x *bp = params->bp;
  5740. /* In case of external phy existence, the line speed would be the
  5741. * line speed linked up by the external phy. In case it is direct
  5742. * only, then the line_speed during initialization will be
  5743. * equal to the req_line_speed
  5744. */
  5745. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5746. /* Initialize the internal phy in case this is a direct board
  5747. * (no external phys), or this board has external phy which requires
  5748. * to first.
  5749. */
  5750. if (!USES_WARPCORE(bp))
  5751. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5752. /* init ext phy and enable link state int */
  5753. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5754. (params->loopback_mode == LOOPBACK_XGXS));
  5755. if (non_ext_phy ||
  5756. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5757. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5758. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5759. if (vars->line_speed == SPEED_AUTO_NEG &&
  5760. (CHIP_IS_E1x(bp) ||
  5761. CHIP_IS_E2(bp)))
  5762. bnx2x_set_parallel_detection(phy, params);
  5763. if (params->phy[INT_PHY].config_init)
  5764. params->phy[INT_PHY].config_init(phy,
  5765. params,
  5766. vars);
  5767. }
  5768. /* Init external phy*/
  5769. if (non_ext_phy) {
  5770. if (params->phy[INT_PHY].supported &
  5771. SUPPORTED_FIBRE)
  5772. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5773. } else {
  5774. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5775. phy_index++) {
  5776. /* No need to initialize second phy in case of first
  5777. * phy only selection. In case of second phy, we do
  5778. * need to initialize the first phy, since they are
  5779. * connected.
  5780. */
  5781. if (params->phy[phy_index].supported &
  5782. SUPPORTED_FIBRE)
  5783. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5784. if (phy_index == EXT_PHY2 &&
  5785. (bnx2x_phy_selection(params) ==
  5786. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5787. DP(NETIF_MSG_LINK,
  5788. "Not initializing second phy\n");
  5789. continue;
  5790. }
  5791. params->phy[phy_index].config_init(
  5792. &params->phy[phy_index],
  5793. params, vars);
  5794. }
  5795. }
  5796. /* Reset the interrupt indication after phy was initialized */
  5797. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5798. params->port*4,
  5799. (NIG_STATUS_XGXS0_LINK10G |
  5800. NIG_STATUS_XGXS0_LINK_STATUS |
  5801. NIG_STATUS_SERDES0_LINK_STATUS |
  5802. NIG_MASK_MI_INT));
  5803. return rc;
  5804. }
  5805. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5806. struct link_params *params)
  5807. {
  5808. /* Reset the SerDes/XGXS */
  5809. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5810. (0x1ff << (params->port*16)));
  5811. }
  5812. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5813. struct link_params *params)
  5814. {
  5815. struct bnx2x *bp = params->bp;
  5816. u8 gpio_port;
  5817. /* HW reset */
  5818. if (CHIP_IS_E2(bp))
  5819. gpio_port = BP_PATH(bp);
  5820. else
  5821. gpio_port = params->port;
  5822. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5823. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5824. gpio_port);
  5825. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5826. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5827. gpio_port);
  5828. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5829. }
  5830. static int bnx2x_update_link_down(struct link_params *params,
  5831. struct link_vars *vars)
  5832. {
  5833. struct bnx2x *bp = params->bp;
  5834. u8 port = params->port;
  5835. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5836. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5837. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5838. /* Indicate no mac active */
  5839. vars->mac_type = MAC_TYPE_NONE;
  5840. /* Update shared memory */
  5841. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5842. LINK_STATUS_LINK_UP |
  5843. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5844. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5845. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5846. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5847. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5848. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5849. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5850. vars->line_speed = 0;
  5851. bnx2x_update_mng(params, vars->link_status);
  5852. /* Activate nig drain */
  5853. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5854. /* Disable emac */
  5855. if (!CHIP_IS_E3(bp))
  5856. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5857. usleep_range(10000, 20000);
  5858. /* Reset BigMac/Xmac */
  5859. if (CHIP_IS_E1x(bp) ||
  5860. CHIP_IS_E2(bp)) {
  5861. bnx2x_bmac_rx_disable(bp, params->port);
  5862. REG_WR(bp, GRCBASE_MISC +
  5863. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5864. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5865. }
  5866. if (CHIP_IS_E3(bp)) {
  5867. /* Prevent LPI Generation by chip */
  5868. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5869. 0);
  5870. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5871. 0);
  5872. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5873. SHMEM_EEE_ACTIVE_BIT);
  5874. bnx2x_update_mng_eee(params, vars->eee_status);
  5875. bnx2x_xmac_disable(params);
  5876. bnx2x_umac_disable(params);
  5877. }
  5878. return 0;
  5879. }
  5880. static int bnx2x_update_link_up(struct link_params *params,
  5881. struct link_vars *vars,
  5882. u8 link_10g)
  5883. {
  5884. struct bnx2x *bp = params->bp;
  5885. u8 phy_idx, port = params->port;
  5886. int rc = 0;
  5887. vars->link_status |= (LINK_STATUS_LINK_UP |
  5888. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5889. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5890. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5891. vars->link_status |=
  5892. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5893. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5894. vars->link_status |=
  5895. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5896. if (USES_WARPCORE(bp)) {
  5897. if (link_10g) {
  5898. if (bnx2x_xmac_enable(params, vars, 0) ==
  5899. -ESRCH) {
  5900. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5901. vars->link_up = 0;
  5902. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5903. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5904. }
  5905. } else
  5906. bnx2x_umac_enable(params, vars, 0);
  5907. bnx2x_set_led(params, vars,
  5908. LED_MODE_OPER, vars->line_speed);
  5909. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5910. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5911. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5912. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5913. (params->port << 2), 1);
  5914. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5915. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5916. (params->port << 2), 0xfc20);
  5917. }
  5918. }
  5919. if ((CHIP_IS_E1x(bp) ||
  5920. CHIP_IS_E2(bp))) {
  5921. if (link_10g) {
  5922. if (bnx2x_bmac_enable(params, vars, 0) ==
  5923. -ESRCH) {
  5924. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5925. vars->link_up = 0;
  5926. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5927. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5928. }
  5929. bnx2x_set_led(params, vars,
  5930. LED_MODE_OPER, SPEED_10000);
  5931. } else {
  5932. rc = bnx2x_emac_program(params, vars);
  5933. bnx2x_emac_enable(params, vars, 0);
  5934. /* AN complete? */
  5935. if ((vars->link_status &
  5936. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5937. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5938. SINGLE_MEDIA_DIRECT(params))
  5939. bnx2x_set_gmii_tx_driver(params);
  5940. }
  5941. }
  5942. /* PBF - link up */
  5943. if (CHIP_IS_E1x(bp))
  5944. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5945. vars->line_speed);
  5946. /* Disable drain */
  5947. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5948. /* Update shared memory */
  5949. bnx2x_update_mng(params, vars->link_status);
  5950. bnx2x_update_mng_eee(params, vars->eee_status);
  5951. /* Check remote fault */
  5952. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5953. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5954. bnx2x_check_half_open_conn(params, vars, 0);
  5955. break;
  5956. }
  5957. }
  5958. msleep(20);
  5959. return rc;
  5960. }
  5961. /* The bnx2x_link_update function should be called upon link
  5962. * interrupt.
  5963. * Link is considered up as follows:
  5964. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5965. * to be up
  5966. * - SINGLE_MEDIA - The link between the 577xx and the external
  5967. * phy (XGXS) need to up as well as the external link of the
  5968. * phy (PHY_EXT1)
  5969. * - DUAL_MEDIA - The link between the 577xx and the first
  5970. * external phy needs to be up, and at least one of the 2
  5971. * external phy link must be up.
  5972. */
  5973. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5974. {
  5975. struct bnx2x *bp = params->bp;
  5976. struct link_vars phy_vars[MAX_PHYS];
  5977. u8 port = params->port;
  5978. u8 link_10g_plus, phy_index;
  5979. u8 ext_phy_link_up = 0, cur_link_up;
  5980. int rc = 0;
  5981. u8 is_mi_int = 0;
  5982. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5983. u8 active_external_phy = INT_PHY;
  5984. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5985. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5986. phy_index++) {
  5987. phy_vars[phy_index].flow_ctrl = 0;
  5988. phy_vars[phy_index].link_status = 0;
  5989. phy_vars[phy_index].line_speed = 0;
  5990. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5991. phy_vars[phy_index].phy_link_up = 0;
  5992. phy_vars[phy_index].link_up = 0;
  5993. phy_vars[phy_index].fault_detected = 0;
  5994. /* different consideration, since vars holds inner state */
  5995. phy_vars[phy_index].eee_status = vars->eee_status;
  5996. }
  5997. if (USES_WARPCORE(bp))
  5998. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5999. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  6000. port, (vars->phy_flags & PHY_XGXS_FLAG),
  6001. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  6002. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  6003. port*0x18) > 0);
  6004. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  6005. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  6006. is_mi_int,
  6007. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  6008. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  6009. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  6010. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  6011. /* Disable emac */
  6012. if (!CHIP_IS_E3(bp))
  6013. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6014. /* Step 1:
  6015. * Check external link change only for external phys, and apply
  6016. * priority selection between them in case the link on both phys
  6017. * is up. Note that instead of the common vars, a temporary
  6018. * vars argument is used since each phy may have different link/
  6019. * speed/duplex result
  6020. */
  6021. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6022. phy_index++) {
  6023. struct bnx2x_phy *phy = &params->phy[phy_index];
  6024. if (!phy->read_status)
  6025. continue;
  6026. /* Read link status and params of this ext phy */
  6027. cur_link_up = phy->read_status(phy, params,
  6028. &phy_vars[phy_index]);
  6029. if (cur_link_up) {
  6030. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  6031. phy_index);
  6032. } else {
  6033. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  6034. phy_index);
  6035. continue;
  6036. }
  6037. if (!ext_phy_link_up) {
  6038. ext_phy_link_up = 1;
  6039. active_external_phy = phy_index;
  6040. } else {
  6041. switch (bnx2x_phy_selection(params)) {
  6042. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  6043. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6044. /* In this option, the first PHY makes sure to pass the
  6045. * traffic through itself only.
  6046. * Its not clear how to reset the link on the second phy
  6047. */
  6048. active_external_phy = EXT_PHY1;
  6049. break;
  6050. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6051. /* In this option, the first PHY makes sure to pass the
  6052. * traffic through the second PHY.
  6053. */
  6054. active_external_phy = EXT_PHY2;
  6055. break;
  6056. default:
  6057. /* Link indication on both PHYs with the following cases
  6058. * is invalid:
  6059. * - FIRST_PHY means that second phy wasn't initialized,
  6060. * hence its link is expected to be down
  6061. * - SECOND_PHY means that first phy should not be able
  6062. * to link up by itself (using configuration)
  6063. * - DEFAULT should be overriden during initialiazation
  6064. */
  6065. DP(NETIF_MSG_LINK, "Invalid link indication"
  6066. "mpc=0x%x. DISABLING LINK !!!\n",
  6067. params->multi_phy_config);
  6068. ext_phy_link_up = 0;
  6069. break;
  6070. }
  6071. }
  6072. }
  6073. prev_line_speed = vars->line_speed;
  6074. /* Step 2:
  6075. * Read the status of the internal phy. In case of
  6076. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6077. * otherwise this is the link between the 577xx and the first
  6078. * external phy
  6079. */
  6080. if (params->phy[INT_PHY].read_status)
  6081. params->phy[INT_PHY].read_status(
  6082. &params->phy[INT_PHY],
  6083. params, vars);
  6084. /* The INT_PHY flow control reside in the vars. This include the
  6085. * case where the speed or flow control are not set to AUTO.
  6086. * Otherwise, the active external phy flow control result is set
  6087. * to the vars. The ext_phy_line_speed is needed to check if the
  6088. * speed is different between the internal phy and external phy.
  6089. * This case may be result of intermediate link speed change.
  6090. */
  6091. if (active_external_phy > INT_PHY) {
  6092. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6093. /* Link speed is taken from the XGXS. AN and FC result from
  6094. * the external phy.
  6095. */
  6096. vars->link_status |= phy_vars[active_external_phy].link_status;
  6097. /* if active_external_phy is first PHY and link is up - disable
  6098. * disable TX on second external PHY
  6099. */
  6100. if (active_external_phy == EXT_PHY1) {
  6101. if (params->phy[EXT_PHY2].phy_specific_func) {
  6102. DP(NETIF_MSG_LINK,
  6103. "Disabling TX on EXT_PHY2\n");
  6104. params->phy[EXT_PHY2].phy_specific_func(
  6105. &params->phy[EXT_PHY2],
  6106. params, DISABLE_TX);
  6107. }
  6108. }
  6109. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6110. vars->duplex = phy_vars[active_external_phy].duplex;
  6111. if (params->phy[active_external_phy].supported &
  6112. SUPPORTED_FIBRE)
  6113. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6114. else
  6115. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6116. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6117. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6118. active_external_phy);
  6119. }
  6120. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6121. phy_index++) {
  6122. if (params->phy[phy_index].flags &
  6123. FLAGS_REARM_LATCH_SIGNAL) {
  6124. bnx2x_rearm_latch_signal(bp, port,
  6125. phy_index ==
  6126. active_external_phy);
  6127. break;
  6128. }
  6129. }
  6130. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6131. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6132. vars->link_status, ext_phy_line_speed);
  6133. /* Upon link speed change set the NIG into drain mode. Comes to
  6134. * deals with possible FIFO glitch due to clk change when speed
  6135. * is decreased without link down indicator
  6136. */
  6137. if (vars->phy_link_up) {
  6138. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6139. (ext_phy_line_speed != vars->line_speed)) {
  6140. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6141. " different than the external"
  6142. " link speed %d\n", vars->line_speed,
  6143. ext_phy_line_speed);
  6144. vars->phy_link_up = 0;
  6145. } else if (prev_line_speed != vars->line_speed) {
  6146. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6147. 0);
  6148. usleep_range(1000, 2000);
  6149. }
  6150. }
  6151. /* Anything 10 and over uses the bmac */
  6152. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6153. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6154. /* In case external phy link is up, and internal link is down
  6155. * (not initialized yet probably after link initialization, it
  6156. * needs to be initialized.
  6157. * Note that after link down-up as result of cable plug, the xgxs
  6158. * link would probably become up again without the need
  6159. * initialize it
  6160. */
  6161. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6162. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6163. " init_preceding = %d\n", ext_phy_link_up,
  6164. vars->phy_link_up,
  6165. params->phy[EXT_PHY1].flags &
  6166. FLAGS_INIT_XGXS_FIRST);
  6167. if (!(params->phy[EXT_PHY1].flags &
  6168. FLAGS_INIT_XGXS_FIRST)
  6169. && ext_phy_link_up && !vars->phy_link_up) {
  6170. vars->line_speed = ext_phy_line_speed;
  6171. if (vars->line_speed < SPEED_1000)
  6172. vars->phy_flags |= PHY_SGMII_FLAG;
  6173. else
  6174. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6175. if (params->phy[INT_PHY].config_init)
  6176. params->phy[INT_PHY].config_init(
  6177. &params->phy[INT_PHY], params,
  6178. vars);
  6179. }
  6180. }
  6181. /* Link is up only if both local phy and external phy (in case of
  6182. * non-direct board) are up and no fault detected on active PHY.
  6183. */
  6184. vars->link_up = (vars->phy_link_up &&
  6185. (ext_phy_link_up ||
  6186. SINGLE_MEDIA_DIRECT(params)) &&
  6187. (phy_vars[active_external_phy].fault_detected == 0));
  6188. /* Update the PFC configuration in case it was changed */
  6189. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6190. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6191. else
  6192. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6193. if (vars->link_up)
  6194. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6195. else
  6196. rc = bnx2x_update_link_down(params, vars);
  6197. /* Update MCP link status was changed */
  6198. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6199. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6200. return rc;
  6201. }
  6202. /*****************************************************************************/
  6203. /* External Phy section */
  6204. /*****************************************************************************/
  6205. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6206. {
  6207. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6208. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6209. usleep_range(1000, 2000);
  6210. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6211. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6212. }
  6213. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6214. u32 spirom_ver, u32 ver_addr)
  6215. {
  6216. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6217. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6218. if (ver_addr)
  6219. REG_WR(bp, ver_addr, spirom_ver);
  6220. }
  6221. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6222. struct bnx2x_phy *phy,
  6223. u8 port)
  6224. {
  6225. u16 fw_ver1, fw_ver2;
  6226. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6227. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6228. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6229. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6230. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6231. phy->ver_addr);
  6232. }
  6233. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6234. struct bnx2x_phy *phy,
  6235. struct link_vars *vars)
  6236. {
  6237. u16 val;
  6238. bnx2x_cl45_read(bp, phy,
  6239. MDIO_AN_DEVAD,
  6240. MDIO_AN_REG_STATUS, &val);
  6241. bnx2x_cl45_read(bp, phy,
  6242. MDIO_AN_DEVAD,
  6243. MDIO_AN_REG_STATUS, &val);
  6244. if (val & (1<<5))
  6245. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6246. if ((val & (1<<0)) == 0)
  6247. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6248. }
  6249. /******************************************************************/
  6250. /* common BCM8073/BCM8727 PHY SECTION */
  6251. /******************************************************************/
  6252. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6253. struct link_params *params,
  6254. struct link_vars *vars)
  6255. {
  6256. struct bnx2x *bp = params->bp;
  6257. if (phy->req_line_speed == SPEED_10 ||
  6258. phy->req_line_speed == SPEED_100) {
  6259. vars->flow_ctrl = phy->req_flow_ctrl;
  6260. return;
  6261. }
  6262. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6263. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6264. u16 pause_result;
  6265. u16 ld_pause; /* local */
  6266. u16 lp_pause; /* link partner */
  6267. bnx2x_cl45_read(bp, phy,
  6268. MDIO_AN_DEVAD,
  6269. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6270. bnx2x_cl45_read(bp, phy,
  6271. MDIO_AN_DEVAD,
  6272. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6273. pause_result = (ld_pause &
  6274. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6275. pause_result |= (lp_pause &
  6276. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6277. bnx2x_pause_resolve(vars, pause_result);
  6278. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6279. pause_result);
  6280. }
  6281. }
  6282. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6283. struct bnx2x_phy *phy,
  6284. u8 port)
  6285. {
  6286. u32 count = 0;
  6287. u16 fw_ver1, fw_msgout;
  6288. int rc = 0;
  6289. /* Boot port from external ROM */
  6290. /* EDC grst */
  6291. bnx2x_cl45_write(bp, phy,
  6292. MDIO_PMA_DEVAD,
  6293. MDIO_PMA_REG_GEN_CTRL,
  6294. 0x0001);
  6295. /* Ucode reboot and rst */
  6296. bnx2x_cl45_write(bp, phy,
  6297. MDIO_PMA_DEVAD,
  6298. MDIO_PMA_REG_GEN_CTRL,
  6299. 0x008c);
  6300. bnx2x_cl45_write(bp, phy,
  6301. MDIO_PMA_DEVAD,
  6302. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6303. /* Reset internal microprocessor */
  6304. bnx2x_cl45_write(bp, phy,
  6305. MDIO_PMA_DEVAD,
  6306. MDIO_PMA_REG_GEN_CTRL,
  6307. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6308. /* Release srst bit */
  6309. bnx2x_cl45_write(bp, phy,
  6310. MDIO_PMA_DEVAD,
  6311. MDIO_PMA_REG_GEN_CTRL,
  6312. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6313. /* Delay 100ms per the PHY specifications */
  6314. msleep(100);
  6315. /* 8073 sometimes taking longer to download */
  6316. do {
  6317. count++;
  6318. if (count > 300) {
  6319. DP(NETIF_MSG_LINK,
  6320. "bnx2x_8073_8727_external_rom_boot port %x:"
  6321. "Download failed. fw version = 0x%x\n",
  6322. port, fw_ver1);
  6323. rc = -EINVAL;
  6324. break;
  6325. }
  6326. bnx2x_cl45_read(bp, phy,
  6327. MDIO_PMA_DEVAD,
  6328. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6329. bnx2x_cl45_read(bp, phy,
  6330. MDIO_PMA_DEVAD,
  6331. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6332. usleep_range(1000, 2000);
  6333. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6334. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6335. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6336. /* Clear ser_boot_ctl bit */
  6337. bnx2x_cl45_write(bp, phy,
  6338. MDIO_PMA_DEVAD,
  6339. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6340. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6341. DP(NETIF_MSG_LINK,
  6342. "bnx2x_8073_8727_external_rom_boot port %x:"
  6343. "Download complete. fw version = 0x%x\n",
  6344. port, fw_ver1);
  6345. return rc;
  6346. }
  6347. /******************************************************************/
  6348. /* BCM8073 PHY SECTION */
  6349. /******************************************************************/
  6350. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6351. {
  6352. /* This is only required for 8073A1, version 102 only */
  6353. u16 val;
  6354. /* Read 8073 HW revision*/
  6355. bnx2x_cl45_read(bp, phy,
  6356. MDIO_PMA_DEVAD,
  6357. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6358. if (val != 1) {
  6359. /* No need to workaround in 8073 A1 */
  6360. return 0;
  6361. }
  6362. bnx2x_cl45_read(bp, phy,
  6363. MDIO_PMA_DEVAD,
  6364. MDIO_PMA_REG_ROM_VER2, &val);
  6365. /* SNR should be applied only for version 0x102 */
  6366. if (val != 0x102)
  6367. return 0;
  6368. return 1;
  6369. }
  6370. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6371. {
  6372. u16 val, cnt, cnt1 ;
  6373. bnx2x_cl45_read(bp, phy,
  6374. MDIO_PMA_DEVAD,
  6375. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6376. if (val > 0) {
  6377. /* No need to workaround in 8073 A1 */
  6378. return 0;
  6379. }
  6380. /* XAUI workaround in 8073 A0: */
  6381. /* After loading the boot ROM and restarting Autoneg, poll
  6382. * Dev1, Reg $C820:
  6383. */
  6384. for (cnt = 0; cnt < 1000; cnt++) {
  6385. bnx2x_cl45_read(bp, phy,
  6386. MDIO_PMA_DEVAD,
  6387. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6388. &val);
  6389. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6390. * system initialization (XAUI work-around not required, as
  6391. * these bits indicate 2.5G or 1G link up).
  6392. */
  6393. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6394. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6395. return 0;
  6396. } else if (!(val & (1<<15))) {
  6397. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6398. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6399. * MSB (bit15) goes to 1 (indicating that the XAUI
  6400. * workaround has completed), then continue on with
  6401. * system initialization.
  6402. */
  6403. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6404. bnx2x_cl45_read(bp, phy,
  6405. MDIO_PMA_DEVAD,
  6406. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6407. if (val & (1<<15)) {
  6408. DP(NETIF_MSG_LINK,
  6409. "XAUI workaround has completed\n");
  6410. return 0;
  6411. }
  6412. usleep_range(3000, 6000);
  6413. }
  6414. break;
  6415. }
  6416. usleep_range(3000, 6000);
  6417. }
  6418. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6419. return -EINVAL;
  6420. }
  6421. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6422. {
  6423. /* Force KR or KX */
  6424. bnx2x_cl45_write(bp, phy,
  6425. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6426. bnx2x_cl45_write(bp, phy,
  6427. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6428. bnx2x_cl45_write(bp, phy,
  6429. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6430. bnx2x_cl45_write(bp, phy,
  6431. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6432. }
  6433. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6434. struct bnx2x_phy *phy,
  6435. struct link_vars *vars)
  6436. {
  6437. u16 cl37_val;
  6438. struct bnx2x *bp = params->bp;
  6439. bnx2x_cl45_read(bp, phy,
  6440. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6441. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6442. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6443. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6444. if ((vars->ieee_fc &
  6445. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6446. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6447. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6448. }
  6449. if ((vars->ieee_fc &
  6450. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6451. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6452. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6453. }
  6454. if ((vars->ieee_fc &
  6455. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6456. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6457. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6458. }
  6459. DP(NETIF_MSG_LINK,
  6460. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6461. bnx2x_cl45_write(bp, phy,
  6462. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6463. msleep(500);
  6464. }
  6465. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6466. struct link_params *params,
  6467. struct link_vars *vars)
  6468. {
  6469. struct bnx2x *bp = params->bp;
  6470. u16 val = 0, tmp1;
  6471. u8 gpio_port;
  6472. DP(NETIF_MSG_LINK, "Init 8073\n");
  6473. if (CHIP_IS_E2(bp))
  6474. gpio_port = BP_PATH(bp);
  6475. else
  6476. gpio_port = params->port;
  6477. /* Restore normal power mode*/
  6478. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6479. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6480. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6481. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6482. /* Enable LASI */
  6483. bnx2x_cl45_write(bp, phy,
  6484. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6485. bnx2x_cl45_write(bp, phy,
  6486. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6487. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6488. bnx2x_cl45_read(bp, phy,
  6489. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6490. bnx2x_cl45_read(bp, phy,
  6491. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6492. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6493. /* Swap polarity if required - Must be done only in non-1G mode */
  6494. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6495. /* Configure the 8073 to swap _P and _N of the KR lines */
  6496. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6497. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6498. bnx2x_cl45_read(bp, phy,
  6499. MDIO_PMA_DEVAD,
  6500. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6501. bnx2x_cl45_write(bp, phy,
  6502. MDIO_PMA_DEVAD,
  6503. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6504. (val | (3<<9)));
  6505. }
  6506. /* Enable CL37 BAM */
  6507. if (REG_RD(bp, params->shmem_base +
  6508. offsetof(struct shmem_region, dev_info.
  6509. port_hw_config[params->port].default_cfg)) &
  6510. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6511. bnx2x_cl45_read(bp, phy,
  6512. MDIO_AN_DEVAD,
  6513. MDIO_AN_REG_8073_BAM, &val);
  6514. bnx2x_cl45_write(bp, phy,
  6515. MDIO_AN_DEVAD,
  6516. MDIO_AN_REG_8073_BAM, val | 1);
  6517. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6518. }
  6519. if (params->loopback_mode == LOOPBACK_EXT) {
  6520. bnx2x_807x_force_10G(bp, phy);
  6521. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6522. return 0;
  6523. } else {
  6524. bnx2x_cl45_write(bp, phy,
  6525. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6526. }
  6527. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6528. if (phy->req_line_speed == SPEED_10000) {
  6529. val = (1<<7);
  6530. } else if (phy->req_line_speed == SPEED_2500) {
  6531. val = (1<<5);
  6532. /* Note that 2.5G works only when used with 1G
  6533. * advertisement
  6534. */
  6535. } else
  6536. val = (1<<5);
  6537. } else {
  6538. val = 0;
  6539. if (phy->speed_cap_mask &
  6540. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6541. val |= (1<<7);
  6542. /* Note that 2.5G works only when used with 1G advertisement */
  6543. if (phy->speed_cap_mask &
  6544. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6545. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6546. val |= (1<<5);
  6547. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6548. }
  6549. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6550. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6551. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6552. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6553. (phy->req_line_speed == SPEED_2500)) {
  6554. u16 phy_ver;
  6555. /* Allow 2.5G for A1 and above */
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6558. &phy_ver);
  6559. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6560. if (phy_ver > 0)
  6561. tmp1 |= 1;
  6562. else
  6563. tmp1 &= 0xfffe;
  6564. } else {
  6565. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6566. tmp1 &= 0xfffe;
  6567. }
  6568. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6569. /* Add support for CL37 (passive mode) II */
  6570. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6571. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6572. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6573. 0x20 : 0x40)));
  6574. /* Add support for CL37 (passive mode) III */
  6575. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6576. /* The SNR will improve about 2db by changing BW and FEE main
  6577. * tap. Rest commands are executed after link is up
  6578. * Change FFE main cursor to 5 in EDC register
  6579. */
  6580. if (bnx2x_8073_is_snr_needed(bp, phy))
  6581. bnx2x_cl45_write(bp, phy,
  6582. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6583. 0xFB0C);
  6584. /* Enable FEC (Forware Error Correction) Request in the AN */
  6585. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6586. tmp1 |= (1<<15);
  6587. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6588. bnx2x_ext_phy_set_pause(params, phy, vars);
  6589. /* Restart autoneg */
  6590. msleep(500);
  6591. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6592. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6593. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6594. return 0;
  6595. }
  6596. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6597. struct link_params *params,
  6598. struct link_vars *vars)
  6599. {
  6600. struct bnx2x *bp = params->bp;
  6601. u8 link_up = 0;
  6602. u16 val1, val2;
  6603. u16 link_status = 0;
  6604. u16 an1000_status = 0;
  6605. bnx2x_cl45_read(bp, phy,
  6606. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6607. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6608. /* Clear the interrupt LASI status register */
  6609. bnx2x_cl45_read(bp, phy,
  6610. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6611. bnx2x_cl45_read(bp, phy,
  6612. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6613. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6614. /* Clear MSG-OUT */
  6615. bnx2x_cl45_read(bp, phy,
  6616. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6617. /* Check the LASI */
  6618. bnx2x_cl45_read(bp, phy,
  6619. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6620. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6621. /* Check the link status */
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6624. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6625. bnx2x_cl45_read(bp, phy,
  6626. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6627. bnx2x_cl45_read(bp, phy,
  6628. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6629. link_up = ((val1 & 4) == 4);
  6630. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6631. if (link_up &&
  6632. ((phy->req_line_speed != SPEED_10000))) {
  6633. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6634. return 0;
  6635. }
  6636. bnx2x_cl45_read(bp, phy,
  6637. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6638. bnx2x_cl45_read(bp, phy,
  6639. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6640. /* Check the link status on 1.1.2 */
  6641. bnx2x_cl45_read(bp, phy,
  6642. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6643. bnx2x_cl45_read(bp, phy,
  6644. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6645. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6646. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6647. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6648. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6649. /* The SNR will improve about 2dbby changing the BW and FEE main
  6650. * tap. The 1st write to change FFE main tap is set before
  6651. * restart AN. Change PLL Bandwidth in EDC register
  6652. */
  6653. bnx2x_cl45_write(bp, phy,
  6654. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6655. 0x26BC);
  6656. /* Change CDR Bandwidth in EDC register */
  6657. bnx2x_cl45_write(bp, phy,
  6658. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6659. 0x0333);
  6660. }
  6661. bnx2x_cl45_read(bp, phy,
  6662. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6663. &link_status);
  6664. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6665. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6666. link_up = 1;
  6667. vars->line_speed = SPEED_10000;
  6668. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6669. params->port);
  6670. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6671. link_up = 1;
  6672. vars->line_speed = SPEED_2500;
  6673. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6674. params->port);
  6675. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6676. link_up = 1;
  6677. vars->line_speed = SPEED_1000;
  6678. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6679. params->port);
  6680. } else {
  6681. link_up = 0;
  6682. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6683. params->port);
  6684. }
  6685. if (link_up) {
  6686. /* Swap polarity if required */
  6687. if (params->lane_config &
  6688. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6689. /* Configure the 8073 to swap P and N of the KR lines */
  6690. bnx2x_cl45_read(bp, phy,
  6691. MDIO_XS_DEVAD,
  6692. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6693. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6694. * when it`s in 10G mode.
  6695. */
  6696. if (vars->line_speed == SPEED_1000) {
  6697. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6698. "the 8073\n");
  6699. val1 |= (1<<3);
  6700. } else
  6701. val1 &= ~(1<<3);
  6702. bnx2x_cl45_write(bp, phy,
  6703. MDIO_XS_DEVAD,
  6704. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6705. val1);
  6706. }
  6707. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6708. bnx2x_8073_resolve_fc(phy, params, vars);
  6709. vars->duplex = DUPLEX_FULL;
  6710. }
  6711. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6712. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6713. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6714. if (val1 & (1<<5))
  6715. vars->link_status |=
  6716. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6717. if (val1 & (1<<7))
  6718. vars->link_status |=
  6719. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6720. }
  6721. return link_up;
  6722. }
  6723. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6724. struct link_params *params)
  6725. {
  6726. struct bnx2x *bp = params->bp;
  6727. u8 gpio_port;
  6728. if (CHIP_IS_E2(bp))
  6729. gpio_port = BP_PATH(bp);
  6730. else
  6731. gpio_port = params->port;
  6732. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6733. gpio_port);
  6734. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6735. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6736. gpio_port);
  6737. }
  6738. /******************************************************************/
  6739. /* BCM8705 PHY SECTION */
  6740. /******************************************************************/
  6741. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6742. struct link_params *params,
  6743. struct link_vars *vars)
  6744. {
  6745. struct bnx2x *bp = params->bp;
  6746. DP(NETIF_MSG_LINK, "init 8705\n");
  6747. /* Restore normal power mode*/
  6748. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6749. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6750. /* HW reset */
  6751. bnx2x_ext_phy_hw_reset(bp, params->port);
  6752. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6753. bnx2x_wait_reset_complete(bp, phy, params);
  6754. bnx2x_cl45_write(bp, phy,
  6755. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6756. bnx2x_cl45_write(bp, phy,
  6757. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6758. bnx2x_cl45_write(bp, phy,
  6759. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6760. bnx2x_cl45_write(bp, phy,
  6761. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6762. /* BCM8705 doesn't have microcode, hence the 0 */
  6763. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6764. return 0;
  6765. }
  6766. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6767. struct link_params *params,
  6768. struct link_vars *vars)
  6769. {
  6770. u8 link_up = 0;
  6771. u16 val1, rx_sd;
  6772. struct bnx2x *bp = params->bp;
  6773. DP(NETIF_MSG_LINK, "read status 8705\n");
  6774. bnx2x_cl45_read(bp, phy,
  6775. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6776. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6777. bnx2x_cl45_read(bp, phy,
  6778. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6779. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6780. bnx2x_cl45_read(bp, phy,
  6781. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6782. bnx2x_cl45_read(bp, phy,
  6783. MDIO_PMA_DEVAD, 0xc809, &val1);
  6784. bnx2x_cl45_read(bp, phy,
  6785. MDIO_PMA_DEVAD, 0xc809, &val1);
  6786. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6787. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6788. if (link_up) {
  6789. vars->line_speed = SPEED_10000;
  6790. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6791. }
  6792. return link_up;
  6793. }
  6794. /******************************************************************/
  6795. /* SFP+ module Section */
  6796. /******************************************************************/
  6797. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6798. struct bnx2x_phy *phy,
  6799. u8 pmd_dis)
  6800. {
  6801. struct bnx2x *bp = params->bp;
  6802. /* Disable transmitter only for bootcodes which can enable it afterwards
  6803. * (for D3 link)
  6804. */
  6805. if (pmd_dis) {
  6806. if (params->feature_config_flags &
  6807. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6808. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6809. else {
  6810. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6811. return;
  6812. }
  6813. } else
  6814. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6815. bnx2x_cl45_write(bp, phy,
  6816. MDIO_PMA_DEVAD,
  6817. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6818. }
  6819. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6820. {
  6821. u8 gpio_port;
  6822. u32 swap_val, swap_override;
  6823. struct bnx2x *bp = params->bp;
  6824. if (CHIP_IS_E2(bp))
  6825. gpio_port = BP_PATH(bp);
  6826. else
  6827. gpio_port = params->port;
  6828. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6829. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6830. return gpio_port ^ (swap_val && swap_override);
  6831. }
  6832. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6833. struct bnx2x_phy *phy,
  6834. u8 tx_en)
  6835. {
  6836. u16 val;
  6837. u8 port = params->port;
  6838. struct bnx2x *bp = params->bp;
  6839. u32 tx_en_mode;
  6840. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6841. tx_en_mode = REG_RD(bp, params->shmem_base +
  6842. offsetof(struct shmem_region,
  6843. dev_info.port_hw_config[port].sfp_ctrl)) &
  6844. PORT_HW_CFG_TX_LASER_MASK;
  6845. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6846. "mode = %x\n", tx_en, port, tx_en_mode);
  6847. switch (tx_en_mode) {
  6848. case PORT_HW_CFG_TX_LASER_MDIO:
  6849. bnx2x_cl45_read(bp, phy,
  6850. MDIO_PMA_DEVAD,
  6851. MDIO_PMA_REG_PHY_IDENTIFIER,
  6852. &val);
  6853. if (tx_en)
  6854. val &= ~(1<<15);
  6855. else
  6856. val |= (1<<15);
  6857. bnx2x_cl45_write(bp, phy,
  6858. MDIO_PMA_DEVAD,
  6859. MDIO_PMA_REG_PHY_IDENTIFIER,
  6860. val);
  6861. break;
  6862. case PORT_HW_CFG_TX_LASER_GPIO0:
  6863. case PORT_HW_CFG_TX_LASER_GPIO1:
  6864. case PORT_HW_CFG_TX_LASER_GPIO2:
  6865. case PORT_HW_CFG_TX_LASER_GPIO3:
  6866. {
  6867. u16 gpio_pin;
  6868. u8 gpio_port, gpio_mode;
  6869. if (tx_en)
  6870. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6871. else
  6872. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6873. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6874. gpio_port = bnx2x_get_gpio_port(params);
  6875. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6876. break;
  6877. }
  6878. default:
  6879. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6880. break;
  6881. }
  6882. }
  6883. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6884. struct bnx2x_phy *phy,
  6885. u8 tx_en)
  6886. {
  6887. struct bnx2x *bp = params->bp;
  6888. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6889. if (CHIP_IS_E3(bp))
  6890. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6891. else
  6892. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6893. }
  6894. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6895. struct link_params *params,
  6896. u16 addr, u8 byte_cnt, u8 *o_buf)
  6897. {
  6898. struct bnx2x *bp = params->bp;
  6899. u16 val = 0;
  6900. u16 i;
  6901. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6902. DP(NETIF_MSG_LINK,
  6903. "Reading from eeprom is limited to 0xf\n");
  6904. return -EINVAL;
  6905. }
  6906. /* Set the read command byte count */
  6907. bnx2x_cl45_write(bp, phy,
  6908. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6909. (byte_cnt | 0xa000));
  6910. /* Set the read command address */
  6911. bnx2x_cl45_write(bp, phy,
  6912. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6913. addr);
  6914. /* Activate read command */
  6915. bnx2x_cl45_write(bp, phy,
  6916. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6917. 0x2c0f);
  6918. /* Wait up to 500us for command complete status */
  6919. for (i = 0; i < 100; i++) {
  6920. bnx2x_cl45_read(bp, phy,
  6921. MDIO_PMA_DEVAD,
  6922. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6923. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6924. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6925. break;
  6926. udelay(5);
  6927. }
  6928. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6929. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6930. DP(NETIF_MSG_LINK,
  6931. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6932. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6933. return -EINVAL;
  6934. }
  6935. /* Read the buffer */
  6936. for (i = 0; i < byte_cnt; i++) {
  6937. bnx2x_cl45_read(bp, phy,
  6938. MDIO_PMA_DEVAD,
  6939. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6940. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6941. }
  6942. for (i = 0; i < 100; i++) {
  6943. bnx2x_cl45_read(bp, phy,
  6944. MDIO_PMA_DEVAD,
  6945. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6946. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6947. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6948. return 0;
  6949. usleep_range(1000, 2000);
  6950. }
  6951. return -EINVAL;
  6952. }
  6953. static void bnx2x_warpcore_power_module(struct link_params *params,
  6954. struct bnx2x_phy *phy,
  6955. u8 power)
  6956. {
  6957. u32 pin_cfg;
  6958. struct bnx2x *bp = params->bp;
  6959. pin_cfg = (REG_RD(bp, params->shmem_base +
  6960. offsetof(struct shmem_region,
  6961. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6962. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6963. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6964. if (pin_cfg == PIN_CFG_NA)
  6965. return;
  6966. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6967. power, pin_cfg);
  6968. /* Low ==> corresponding SFP+ module is powered
  6969. * high ==> the SFP+ module is powered down
  6970. */
  6971. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6972. }
  6973. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6974. struct link_params *params,
  6975. u16 addr, u8 byte_cnt,
  6976. u8 *o_buf)
  6977. {
  6978. int rc = 0;
  6979. u8 i, j = 0, cnt = 0;
  6980. u32 data_array[4];
  6981. u16 addr32;
  6982. struct bnx2x *bp = params->bp;
  6983. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6984. DP(NETIF_MSG_LINK,
  6985. "Reading from eeprom is limited to 16 bytes\n");
  6986. return -EINVAL;
  6987. }
  6988. /* 4 byte aligned address */
  6989. addr32 = addr & (~0x3);
  6990. do {
  6991. if (cnt == I2C_WA_PWR_ITER) {
  6992. bnx2x_warpcore_power_module(params, phy, 0);
  6993. /* Note that 100us are not enough here */
  6994. usleep_range(1000,1000);
  6995. bnx2x_warpcore_power_module(params, phy, 1);
  6996. }
  6997. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6998. data_array);
  6999. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  7000. if (rc == 0) {
  7001. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  7002. o_buf[j] = *((u8 *)data_array + i);
  7003. j++;
  7004. }
  7005. }
  7006. return rc;
  7007. }
  7008. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7009. struct link_params *params,
  7010. u16 addr, u8 byte_cnt, u8 *o_buf)
  7011. {
  7012. struct bnx2x *bp = params->bp;
  7013. u16 val, i;
  7014. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  7015. DP(NETIF_MSG_LINK,
  7016. "Reading from eeprom is limited to 0xf\n");
  7017. return -EINVAL;
  7018. }
  7019. /* Need to read from 1.8000 to clear it */
  7020. bnx2x_cl45_read(bp, phy,
  7021. MDIO_PMA_DEVAD,
  7022. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7023. &val);
  7024. /* Set the read command byte count */
  7025. bnx2x_cl45_write(bp, phy,
  7026. MDIO_PMA_DEVAD,
  7027. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7028. ((byte_cnt < 2) ? 2 : byte_cnt));
  7029. /* Set the read command address */
  7030. bnx2x_cl45_write(bp, phy,
  7031. MDIO_PMA_DEVAD,
  7032. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7033. addr);
  7034. /* Set the destination address */
  7035. bnx2x_cl45_write(bp, phy,
  7036. MDIO_PMA_DEVAD,
  7037. 0x8004,
  7038. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7039. /* Activate read command */
  7040. bnx2x_cl45_write(bp, phy,
  7041. MDIO_PMA_DEVAD,
  7042. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7043. 0x8002);
  7044. /* Wait appropriate time for two-wire command to finish before
  7045. * polling the status register
  7046. */
  7047. usleep_range(1000, 2000);
  7048. /* Wait up to 500us for command complete status */
  7049. for (i = 0; i < 100; i++) {
  7050. bnx2x_cl45_read(bp, phy,
  7051. MDIO_PMA_DEVAD,
  7052. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7053. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7054. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7055. break;
  7056. udelay(5);
  7057. }
  7058. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7059. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7060. DP(NETIF_MSG_LINK,
  7061. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7062. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7063. return -EFAULT;
  7064. }
  7065. /* Read the buffer */
  7066. for (i = 0; i < byte_cnt; i++) {
  7067. bnx2x_cl45_read(bp, phy,
  7068. MDIO_PMA_DEVAD,
  7069. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7070. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7071. }
  7072. for (i = 0; i < 100; i++) {
  7073. bnx2x_cl45_read(bp, phy,
  7074. MDIO_PMA_DEVAD,
  7075. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7076. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7077. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7078. return 0;
  7079. usleep_range(1000, 2000);
  7080. }
  7081. return -EINVAL;
  7082. }
  7083. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7084. struct link_params *params, u16 addr,
  7085. u8 byte_cnt, u8 *o_buf)
  7086. {
  7087. int rc = -EOPNOTSUPP;
  7088. switch (phy->type) {
  7089. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7090. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7091. byte_cnt, o_buf);
  7092. break;
  7093. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7094. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7095. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7096. byte_cnt, o_buf);
  7097. break;
  7098. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7099. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7100. byte_cnt, o_buf);
  7101. break;
  7102. }
  7103. return rc;
  7104. }
  7105. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7106. struct link_params *params,
  7107. u16 *edc_mode)
  7108. {
  7109. struct bnx2x *bp = params->bp;
  7110. u32 sync_offset = 0, phy_idx, media_types;
  7111. u8 val[2], check_limiting_mode = 0;
  7112. *edc_mode = EDC_MODE_LIMITING;
  7113. phy->media_type = ETH_PHY_UNSPECIFIED;
  7114. /* First check for copper cable */
  7115. if (bnx2x_read_sfp_module_eeprom(phy,
  7116. params,
  7117. SFP_EEPROM_CON_TYPE_ADDR,
  7118. 2,
  7119. (u8 *)val) != 0) {
  7120. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7121. return -EINVAL;
  7122. }
  7123. switch (val[0]) {
  7124. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7125. {
  7126. u8 copper_module_type;
  7127. phy->media_type = ETH_PHY_DA_TWINAX;
  7128. /* Check if its active cable (includes SFP+ module)
  7129. * of passive cable
  7130. */
  7131. if (bnx2x_read_sfp_module_eeprom(phy,
  7132. params,
  7133. SFP_EEPROM_FC_TX_TECH_ADDR,
  7134. 1,
  7135. &copper_module_type) != 0) {
  7136. DP(NETIF_MSG_LINK,
  7137. "Failed to read copper-cable-type"
  7138. " from SFP+ EEPROM\n");
  7139. return -EINVAL;
  7140. }
  7141. if (copper_module_type &
  7142. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7143. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7144. check_limiting_mode = 1;
  7145. } else if (copper_module_type &
  7146. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7147. DP(NETIF_MSG_LINK,
  7148. "Passive Copper cable detected\n");
  7149. *edc_mode =
  7150. EDC_MODE_PASSIVE_DAC;
  7151. } else {
  7152. DP(NETIF_MSG_LINK,
  7153. "Unknown copper-cable-type 0x%x !!!\n",
  7154. copper_module_type);
  7155. return -EINVAL;
  7156. }
  7157. break;
  7158. }
  7159. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7160. check_limiting_mode = 1;
  7161. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7162. SFP_EEPROM_COMP_CODE_LR_MASK |
  7163. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7164. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7165. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7166. phy->req_line_speed = SPEED_1000;
  7167. } else {
  7168. int idx, cfg_idx = 0;
  7169. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7170. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7171. if (params->phy[idx].type == phy->type) {
  7172. cfg_idx = LINK_CONFIG_IDX(idx);
  7173. break;
  7174. }
  7175. }
  7176. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7177. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7178. }
  7179. break;
  7180. default:
  7181. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7182. val[0]);
  7183. return -EINVAL;
  7184. }
  7185. sync_offset = params->shmem_base +
  7186. offsetof(struct shmem_region,
  7187. dev_info.port_hw_config[params->port].media_type);
  7188. media_types = REG_RD(bp, sync_offset);
  7189. /* Update media type for non-PMF sync */
  7190. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7191. if (&(params->phy[phy_idx]) == phy) {
  7192. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7193. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7194. media_types |= ((phy->media_type &
  7195. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7196. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7197. break;
  7198. }
  7199. }
  7200. REG_WR(bp, sync_offset, media_types);
  7201. if (check_limiting_mode) {
  7202. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7203. if (bnx2x_read_sfp_module_eeprom(phy,
  7204. params,
  7205. SFP_EEPROM_OPTIONS_ADDR,
  7206. SFP_EEPROM_OPTIONS_SIZE,
  7207. options) != 0) {
  7208. DP(NETIF_MSG_LINK,
  7209. "Failed to read Option field from module EEPROM\n");
  7210. return -EINVAL;
  7211. }
  7212. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7213. *edc_mode = EDC_MODE_LINEAR;
  7214. else
  7215. *edc_mode = EDC_MODE_LIMITING;
  7216. }
  7217. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7218. return 0;
  7219. }
  7220. /* This function read the relevant field from the module (SFP+), and verify it
  7221. * is compliant with this board
  7222. */
  7223. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7224. struct link_params *params)
  7225. {
  7226. struct bnx2x *bp = params->bp;
  7227. u32 val, cmd;
  7228. u32 fw_resp, fw_cmd_param;
  7229. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7230. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7231. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7232. val = REG_RD(bp, params->shmem_base +
  7233. offsetof(struct shmem_region, dev_info.
  7234. port_feature_config[params->port].config));
  7235. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7236. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7237. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7238. return 0;
  7239. }
  7240. if (params->feature_config_flags &
  7241. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7242. /* Use specific phy request */
  7243. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7244. } else if (params->feature_config_flags &
  7245. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7246. /* Use first phy request only in case of non-dual media*/
  7247. if (DUAL_MEDIA(params)) {
  7248. DP(NETIF_MSG_LINK,
  7249. "FW does not support OPT MDL verification\n");
  7250. return -EINVAL;
  7251. }
  7252. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7253. } else {
  7254. /* No support in OPT MDL detection */
  7255. DP(NETIF_MSG_LINK,
  7256. "FW does not support OPT MDL verification\n");
  7257. return -EINVAL;
  7258. }
  7259. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7260. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7261. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7262. DP(NETIF_MSG_LINK, "Approved module\n");
  7263. return 0;
  7264. }
  7265. /* Format the warning message */
  7266. if (bnx2x_read_sfp_module_eeprom(phy,
  7267. params,
  7268. SFP_EEPROM_VENDOR_NAME_ADDR,
  7269. SFP_EEPROM_VENDOR_NAME_SIZE,
  7270. (u8 *)vendor_name))
  7271. vendor_name[0] = '\0';
  7272. else
  7273. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7274. if (bnx2x_read_sfp_module_eeprom(phy,
  7275. params,
  7276. SFP_EEPROM_PART_NO_ADDR,
  7277. SFP_EEPROM_PART_NO_SIZE,
  7278. (u8 *)vendor_pn))
  7279. vendor_pn[0] = '\0';
  7280. else
  7281. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7282. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7283. " Port %d from %s part number %s\n",
  7284. params->port, vendor_name, vendor_pn);
  7285. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7286. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7287. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7288. return -EINVAL;
  7289. }
  7290. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7291. struct link_params *params)
  7292. {
  7293. u8 val;
  7294. struct bnx2x *bp = params->bp;
  7295. u16 timeout;
  7296. /* Initialization time after hot-plug may take up to 300ms for
  7297. * some phys type ( e.g. JDSU )
  7298. */
  7299. for (timeout = 0; timeout < 60; timeout++) {
  7300. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7301. == 0) {
  7302. DP(NETIF_MSG_LINK,
  7303. "SFP+ module initialization took %d ms\n",
  7304. timeout * 5);
  7305. return 0;
  7306. }
  7307. usleep_range(5000, 10000);
  7308. }
  7309. return -EINVAL;
  7310. }
  7311. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7312. struct bnx2x_phy *phy,
  7313. u8 is_power_up) {
  7314. /* Make sure GPIOs are not using for LED mode */
  7315. u16 val;
  7316. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7317. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7318. * output
  7319. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7320. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7321. * where the 1st bit is the over-current(only input), and 2nd bit is
  7322. * for power( only output )
  7323. *
  7324. * In case of NOC feature is disabled and power is up, set GPIO control
  7325. * as input to enable listening of over-current indication
  7326. */
  7327. if (phy->flags & FLAGS_NOC)
  7328. return;
  7329. if (is_power_up)
  7330. val = (1<<4);
  7331. else
  7332. /* Set GPIO control to OUTPUT, and set the power bit
  7333. * to according to the is_power_up
  7334. */
  7335. val = (1<<1);
  7336. bnx2x_cl45_write(bp, phy,
  7337. MDIO_PMA_DEVAD,
  7338. MDIO_PMA_REG_8727_GPIO_CTRL,
  7339. val);
  7340. }
  7341. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7342. struct bnx2x_phy *phy,
  7343. u16 edc_mode)
  7344. {
  7345. u16 cur_limiting_mode;
  7346. bnx2x_cl45_read(bp, phy,
  7347. MDIO_PMA_DEVAD,
  7348. MDIO_PMA_REG_ROM_VER2,
  7349. &cur_limiting_mode);
  7350. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7351. cur_limiting_mode);
  7352. if (edc_mode == EDC_MODE_LIMITING) {
  7353. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_PMA_DEVAD,
  7356. MDIO_PMA_REG_ROM_VER2,
  7357. EDC_MODE_LIMITING);
  7358. } else { /* LRM mode ( default )*/
  7359. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7360. /* Changing to LRM mode takes quite few seconds. So do it only
  7361. * if current mode is limiting (default is LRM)
  7362. */
  7363. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7364. return 0;
  7365. bnx2x_cl45_write(bp, phy,
  7366. MDIO_PMA_DEVAD,
  7367. MDIO_PMA_REG_LRM_MODE,
  7368. 0);
  7369. bnx2x_cl45_write(bp, phy,
  7370. MDIO_PMA_DEVAD,
  7371. MDIO_PMA_REG_ROM_VER2,
  7372. 0x128);
  7373. bnx2x_cl45_write(bp, phy,
  7374. MDIO_PMA_DEVAD,
  7375. MDIO_PMA_REG_MISC_CTRL0,
  7376. 0x4008);
  7377. bnx2x_cl45_write(bp, phy,
  7378. MDIO_PMA_DEVAD,
  7379. MDIO_PMA_REG_LRM_MODE,
  7380. 0xaaaa);
  7381. }
  7382. return 0;
  7383. }
  7384. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7385. struct bnx2x_phy *phy,
  7386. u16 edc_mode)
  7387. {
  7388. u16 phy_identifier;
  7389. u16 rom_ver2_val;
  7390. bnx2x_cl45_read(bp, phy,
  7391. MDIO_PMA_DEVAD,
  7392. MDIO_PMA_REG_PHY_IDENTIFIER,
  7393. &phy_identifier);
  7394. bnx2x_cl45_write(bp, phy,
  7395. MDIO_PMA_DEVAD,
  7396. MDIO_PMA_REG_PHY_IDENTIFIER,
  7397. (phy_identifier & ~(1<<9)));
  7398. bnx2x_cl45_read(bp, phy,
  7399. MDIO_PMA_DEVAD,
  7400. MDIO_PMA_REG_ROM_VER2,
  7401. &rom_ver2_val);
  7402. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7403. bnx2x_cl45_write(bp, phy,
  7404. MDIO_PMA_DEVAD,
  7405. MDIO_PMA_REG_ROM_VER2,
  7406. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7407. bnx2x_cl45_write(bp, phy,
  7408. MDIO_PMA_DEVAD,
  7409. MDIO_PMA_REG_PHY_IDENTIFIER,
  7410. (phy_identifier | (1<<9)));
  7411. return 0;
  7412. }
  7413. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7414. struct link_params *params,
  7415. u32 action)
  7416. {
  7417. struct bnx2x *bp = params->bp;
  7418. switch (action) {
  7419. case DISABLE_TX:
  7420. bnx2x_sfp_set_transmitter(params, phy, 0);
  7421. break;
  7422. case ENABLE_TX:
  7423. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7424. bnx2x_sfp_set_transmitter(params, phy, 1);
  7425. break;
  7426. default:
  7427. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7428. action);
  7429. return;
  7430. }
  7431. }
  7432. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7433. u8 gpio_mode)
  7434. {
  7435. struct bnx2x *bp = params->bp;
  7436. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7437. offsetof(struct shmem_region,
  7438. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7439. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7440. switch (fault_led_gpio) {
  7441. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7442. return;
  7443. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7444. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7445. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7446. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7447. {
  7448. u8 gpio_port = bnx2x_get_gpio_port(params);
  7449. u16 gpio_pin = fault_led_gpio -
  7450. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7451. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7452. "pin %x port %x mode %x\n",
  7453. gpio_pin, gpio_port, gpio_mode);
  7454. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7455. }
  7456. break;
  7457. default:
  7458. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7459. fault_led_gpio);
  7460. }
  7461. }
  7462. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7463. u8 gpio_mode)
  7464. {
  7465. u32 pin_cfg;
  7466. u8 port = params->port;
  7467. struct bnx2x *bp = params->bp;
  7468. pin_cfg = (REG_RD(bp, params->shmem_base +
  7469. offsetof(struct shmem_region,
  7470. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7471. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7472. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7473. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7474. gpio_mode, pin_cfg);
  7475. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7476. }
  7477. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7478. u8 gpio_mode)
  7479. {
  7480. struct bnx2x *bp = params->bp;
  7481. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7482. if (CHIP_IS_E3(bp)) {
  7483. /* Low ==> if SFP+ module is supported otherwise
  7484. * High ==> if SFP+ module is not on the approved vendor list
  7485. */
  7486. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7487. } else
  7488. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7489. }
  7490. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7491. struct link_params *params)
  7492. {
  7493. struct bnx2x *bp = params->bp;
  7494. bnx2x_warpcore_power_module(params, phy, 0);
  7495. /* Put Warpcore in low power mode */
  7496. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7497. /* Put LCPLL in low power mode */
  7498. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7499. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7500. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7501. }
  7502. static void bnx2x_power_sfp_module(struct link_params *params,
  7503. struct bnx2x_phy *phy,
  7504. u8 power)
  7505. {
  7506. struct bnx2x *bp = params->bp;
  7507. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7508. switch (phy->type) {
  7509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7510. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7511. bnx2x_8727_power_module(params->bp, phy, power);
  7512. break;
  7513. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7514. bnx2x_warpcore_power_module(params, phy, power);
  7515. break;
  7516. default:
  7517. break;
  7518. }
  7519. }
  7520. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7521. struct bnx2x_phy *phy,
  7522. u16 edc_mode)
  7523. {
  7524. u16 val = 0;
  7525. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7526. struct bnx2x *bp = params->bp;
  7527. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7528. /* This is a global register which controls all lanes */
  7529. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7530. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7531. val &= ~(0xf << (lane << 2));
  7532. switch (edc_mode) {
  7533. case EDC_MODE_LINEAR:
  7534. case EDC_MODE_LIMITING:
  7535. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7536. break;
  7537. case EDC_MODE_PASSIVE_DAC:
  7538. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7539. break;
  7540. default:
  7541. break;
  7542. }
  7543. val |= (mode << (lane << 2));
  7544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7545. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7546. /* A must read */
  7547. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7548. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7549. /* Restart microcode to re-read the new mode */
  7550. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7551. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7552. }
  7553. static void bnx2x_set_limiting_mode(struct link_params *params,
  7554. struct bnx2x_phy *phy,
  7555. u16 edc_mode)
  7556. {
  7557. switch (phy->type) {
  7558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7559. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7560. break;
  7561. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7562. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7563. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7564. break;
  7565. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7566. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7567. break;
  7568. }
  7569. }
  7570. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7571. struct link_params *params)
  7572. {
  7573. struct bnx2x *bp = params->bp;
  7574. u16 edc_mode;
  7575. int rc = 0;
  7576. u32 val = REG_RD(bp, params->shmem_base +
  7577. offsetof(struct shmem_region, dev_info.
  7578. port_feature_config[params->port].config));
  7579. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7580. params->port);
  7581. /* Power up module */
  7582. bnx2x_power_sfp_module(params, phy, 1);
  7583. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7584. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7585. return -EINVAL;
  7586. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7587. /* Check SFP+ module compatibility */
  7588. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7589. rc = -EINVAL;
  7590. /* Turn on fault module-detected led */
  7591. bnx2x_set_sfp_module_fault_led(params,
  7592. MISC_REGISTERS_GPIO_HIGH);
  7593. /* Check if need to power down the SFP+ module */
  7594. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7595. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7596. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7597. bnx2x_power_sfp_module(params, phy, 0);
  7598. return rc;
  7599. }
  7600. } else {
  7601. /* Turn off fault module-detected led */
  7602. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7603. }
  7604. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7605. * is done automatically
  7606. */
  7607. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7608. /* Enable transmit for this module if the module is approved, or
  7609. * if unapproved modules should also enable the Tx laser
  7610. */
  7611. if (rc == 0 ||
  7612. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7613. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7614. bnx2x_sfp_set_transmitter(params, phy, 1);
  7615. else
  7616. bnx2x_sfp_set_transmitter(params, phy, 0);
  7617. return rc;
  7618. }
  7619. void bnx2x_handle_module_detect_int(struct link_params *params)
  7620. {
  7621. struct bnx2x *bp = params->bp;
  7622. struct bnx2x_phy *phy;
  7623. u32 gpio_val;
  7624. u8 gpio_num, gpio_port;
  7625. if (CHIP_IS_E3(bp))
  7626. phy = &params->phy[INT_PHY];
  7627. else
  7628. phy = &params->phy[EXT_PHY1];
  7629. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7630. params->port, &gpio_num, &gpio_port) ==
  7631. -EINVAL) {
  7632. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7633. return;
  7634. }
  7635. /* Set valid module led off */
  7636. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7637. /* Get current gpio val reflecting module plugged in / out*/
  7638. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7639. /* Call the handling function in case module is detected */
  7640. if (gpio_val == 0) {
  7641. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7642. bnx2x_set_aer_mmd(params, phy);
  7643. bnx2x_power_sfp_module(params, phy, 1);
  7644. bnx2x_set_gpio_int(bp, gpio_num,
  7645. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7646. gpio_port);
  7647. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7648. bnx2x_sfp_module_detection(phy, params);
  7649. if (CHIP_IS_E3(bp)) {
  7650. u16 rx_tx_in_reset;
  7651. /* In case WC is out of reset, reconfigure the
  7652. * link speed while taking into account 1G
  7653. * module limitation.
  7654. */
  7655. bnx2x_cl45_read(bp, phy,
  7656. MDIO_WC_DEVAD,
  7657. MDIO_WC_REG_DIGITAL5_MISC6,
  7658. &rx_tx_in_reset);
  7659. if (!rx_tx_in_reset) {
  7660. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7661. bnx2x_warpcore_config_sfi(phy, params);
  7662. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7663. }
  7664. }
  7665. } else {
  7666. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7667. }
  7668. } else {
  7669. u32 val = REG_RD(bp, params->shmem_base +
  7670. offsetof(struct shmem_region, dev_info.
  7671. port_feature_config[params->port].
  7672. config));
  7673. bnx2x_set_gpio_int(bp, gpio_num,
  7674. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7675. gpio_port);
  7676. /* Module was plugged out.
  7677. * Disable transmit for this module
  7678. */
  7679. phy->media_type = ETH_PHY_NOT_PRESENT;
  7680. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7681. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7682. CHIP_IS_E3(bp))
  7683. bnx2x_sfp_set_transmitter(params, phy, 0);
  7684. }
  7685. }
  7686. /******************************************************************/
  7687. /* Used by 8706 and 8727 */
  7688. /******************************************************************/
  7689. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7690. struct bnx2x_phy *phy,
  7691. u16 alarm_status_offset,
  7692. u16 alarm_ctrl_offset)
  7693. {
  7694. u16 alarm_status, val;
  7695. bnx2x_cl45_read(bp, phy,
  7696. MDIO_PMA_DEVAD, alarm_status_offset,
  7697. &alarm_status);
  7698. bnx2x_cl45_read(bp, phy,
  7699. MDIO_PMA_DEVAD, alarm_status_offset,
  7700. &alarm_status);
  7701. /* Mask or enable the fault event. */
  7702. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7703. if (alarm_status & (1<<0))
  7704. val &= ~(1<<0);
  7705. else
  7706. val |= (1<<0);
  7707. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7708. }
  7709. /******************************************************************/
  7710. /* common BCM8706/BCM8726 PHY SECTION */
  7711. /******************************************************************/
  7712. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7713. struct link_params *params,
  7714. struct link_vars *vars)
  7715. {
  7716. u8 link_up = 0;
  7717. u16 val1, val2, rx_sd, pcs_status;
  7718. struct bnx2x *bp = params->bp;
  7719. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7720. /* Clear RX Alarm*/
  7721. bnx2x_cl45_read(bp, phy,
  7722. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7723. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7724. MDIO_PMA_LASI_TXCTRL);
  7725. /* Clear LASI indication*/
  7726. bnx2x_cl45_read(bp, phy,
  7727. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7728. bnx2x_cl45_read(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7730. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7731. bnx2x_cl45_read(bp, phy,
  7732. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7733. bnx2x_cl45_read(bp, phy,
  7734. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7735. bnx2x_cl45_read(bp, phy,
  7736. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7737. bnx2x_cl45_read(bp, phy,
  7738. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7739. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7740. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7741. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7742. * are set, or if the autoneg bit 1 is set
  7743. */
  7744. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7745. if (link_up) {
  7746. if (val2 & (1<<1))
  7747. vars->line_speed = SPEED_1000;
  7748. else
  7749. vars->line_speed = SPEED_10000;
  7750. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7751. vars->duplex = DUPLEX_FULL;
  7752. }
  7753. /* Capture 10G link fault. Read twice to clear stale value. */
  7754. if (vars->line_speed == SPEED_10000) {
  7755. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7756. MDIO_PMA_LASI_TXSTAT, &val1);
  7757. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7758. MDIO_PMA_LASI_TXSTAT, &val1);
  7759. if (val1 & (1<<0))
  7760. vars->fault_detected = 1;
  7761. }
  7762. return link_up;
  7763. }
  7764. /******************************************************************/
  7765. /* BCM8706 PHY SECTION */
  7766. /******************************************************************/
  7767. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7768. struct link_params *params,
  7769. struct link_vars *vars)
  7770. {
  7771. u32 tx_en_mode;
  7772. u16 cnt, val, tmp1;
  7773. struct bnx2x *bp = params->bp;
  7774. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7775. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7776. /* HW reset */
  7777. bnx2x_ext_phy_hw_reset(bp, params->port);
  7778. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7779. bnx2x_wait_reset_complete(bp, phy, params);
  7780. /* Wait until fw is loaded */
  7781. for (cnt = 0; cnt < 100; cnt++) {
  7782. bnx2x_cl45_read(bp, phy,
  7783. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7784. if (val)
  7785. break;
  7786. usleep_range(10000, 20000);
  7787. }
  7788. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7789. if ((params->feature_config_flags &
  7790. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7791. u8 i;
  7792. u16 reg;
  7793. for (i = 0; i < 4; i++) {
  7794. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7795. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7796. MDIO_XS_8706_REG_BANK_RX0);
  7797. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7798. /* Clear first 3 bits of the control */
  7799. val &= ~0x7;
  7800. /* Set control bits according to configuration */
  7801. val |= (phy->rx_preemphasis[i] & 0x7);
  7802. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7803. " reg 0x%x <-- val 0x%x\n", reg, val);
  7804. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7805. }
  7806. }
  7807. /* Force speed */
  7808. if (phy->req_line_speed == SPEED_10000) {
  7809. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7810. bnx2x_cl45_write(bp, phy,
  7811. MDIO_PMA_DEVAD,
  7812. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7813. bnx2x_cl45_write(bp, phy,
  7814. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7815. 0);
  7816. /* Arm LASI for link and Tx fault. */
  7817. bnx2x_cl45_write(bp, phy,
  7818. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7819. } else {
  7820. /* Force 1Gbps using autoneg with 1G advertisement */
  7821. /* Allow CL37 through CL73 */
  7822. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7825. /* Enable Full-Duplex advertisement on CL37 */
  7826. bnx2x_cl45_write(bp, phy,
  7827. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7828. /* Enable CL37 AN */
  7829. bnx2x_cl45_write(bp, phy,
  7830. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7831. /* 1G support */
  7832. bnx2x_cl45_write(bp, phy,
  7833. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7834. /* Enable clause 73 AN */
  7835. bnx2x_cl45_write(bp, phy,
  7836. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7839. 0x0400);
  7840. bnx2x_cl45_write(bp, phy,
  7841. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7842. 0x0004);
  7843. }
  7844. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7845. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7846. * power mode, if TX Laser is disabled
  7847. */
  7848. tx_en_mode = REG_RD(bp, params->shmem_base +
  7849. offsetof(struct shmem_region,
  7850. dev_info.port_hw_config[params->port].sfp_ctrl))
  7851. & PORT_HW_CFG_TX_LASER_MASK;
  7852. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7853. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7854. bnx2x_cl45_read(bp, phy,
  7855. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7856. tmp1 |= 0x1;
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7859. }
  7860. return 0;
  7861. }
  7862. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7863. struct link_params *params,
  7864. struct link_vars *vars)
  7865. {
  7866. return bnx2x_8706_8726_read_status(phy, params, vars);
  7867. }
  7868. /******************************************************************/
  7869. /* BCM8726 PHY SECTION */
  7870. /******************************************************************/
  7871. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7872. struct link_params *params)
  7873. {
  7874. struct bnx2x *bp = params->bp;
  7875. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7876. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7877. }
  7878. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7879. struct link_params *params)
  7880. {
  7881. struct bnx2x *bp = params->bp;
  7882. /* Need to wait 100ms after reset */
  7883. msleep(100);
  7884. /* Micro controller re-boot */
  7885. bnx2x_cl45_write(bp, phy,
  7886. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7887. /* Set soft reset */
  7888. bnx2x_cl45_write(bp, phy,
  7889. MDIO_PMA_DEVAD,
  7890. MDIO_PMA_REG_GEN_CTRL,
  7891. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7892. bnx2x_cl45_write(bp, phy,
  7893. MDIO_PMA_DEVAD,
  7894. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7895. bnx2x_cl45_write(bp, phy,
  7896. MDIO_PMA_DEVAD,
  7897. MDIO_PMA_REG_GEN_CTRL,
  7898. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7899. /* Wait for 150ms for microcode load */
  7900. msleep(150);
  7901. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD,
  7904. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7905. msleep(200);
  7906. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7907. }
  7908. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7909. struct link_params *params,
  7910. struct link_vars *vars)
  7911. {
  7912. struct bnx2x *bp = params->bp;
  7913. u16 val1;
  7914. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7915. if (link_up) {
  7916. bnx2x_cl45_read(bp, phy,
  7917. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7918. &val1);
  7919. if (val1 & (1<<15)) {
  7920. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7921. link_up = 0;
  7922. vars->line_speed = 0;
  7923. }
  7924. }
  7925. return link_up;
  7926. }
  7927. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7928. struct link_params *params,
  7929. struct link_vars *vars)
  7930. {
  7931. struct bnx2x *bp = params->bp;
  7932. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7933. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7934. bnx2x_wait_reset_complete(bp, phy, params);
  7935. bnx2x_8726_external_rom_boot(phy, params);
  7936. /* Need to call module detected on initialization since the module
  7937. * detection triggered by actual module insertion might occur before
  7938. * driver is loaded, and when driver is loaded, it reset all
  7939. * registers, including the transmitter
  7940. */
  7941. bnx2x_sfp_module_detection(phy, params);
  7942. if (phy->req_line_speed == SPEED_1000) {
  7943. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7944. bnx2x_cl45_write(bp, phy,
  7945. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7946. bnx2x_cl45_write(bp, phy,
  7947. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7950. bnx2x_cl45_write(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7952. 0x400);
  7953. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7954. (phy->speed_cap_mask &
  7955. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7956. ((phy->speed_cap_mask &
  7957. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7958. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7959. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7960. /* Set Flow control */
  7961. bnx2x_ext_phy_set_pause(params, phy, vars);
  7962. bnx2x_cl45_write(bp, phy,
  7963. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7966. bnx2x_cl45_write(bp, phy,
  7967. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7970. bnx2x_cl45_write(bp, phy,
  7971. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7972. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7973. * change
  7974. */
  7975. bnx2x_cl45_write(bp, phy,
  7976. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7977. bnx2x_cl45_write(bp, phy,
  7978. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7979. 0x400);
  7980. } else { /* Default 10G. Set only LASI control */
  7981. bnx2x_cl45_write(bp, phy,
  7982. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7983. }
  7984. /* Set TX PreEmphasis if needed */
  7985. if ((params->feature_config_flags &
  7986. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7987. DP(NETIF_MSG_LINK,
  7988. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7989. phy->tx_preemphasis[0],
  7990. phy->tx_preemphasis[1]);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_PMA_DEVAD,
  7993. MDIO_PMA_REG_8726_TX_CTRL1,
  7994. phy->tx_preemphasis[0]);
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_PMA_DEVAD,
  7997. MDIO_PMA_REG_8726_TX_CTRL2,
  7998. phy->tx_preemphasis[1]);
  7999. }
  8000. return 0;
  8001. }
  8002. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8003. struct link_params *params)
  8004. {
  8005. struct bnx2x *bp = params->bp;
  8006. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8007. /* Set serial boot control for external load */
  8008. bnx2x_cl45_write(bp, phy,
  8009. MDIO_PMA_DEVAD,
  8010. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8011. }
  8012. /******************************************************************/
  8013. /* BCM8727 PHY SECTION */
  8014. /******************************************************************/
  8015. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8016. struct link_params *params, u8 mode)
  8017. {
  8018. struct bnx2x *bp = params->bp;
  8019. u16 led_mode_bitmask = 0;
  8020. u16 gpio_pins_bitmask = 0;
  8021. u16 val;
  8022. /* Only NOC flavor requires to set the LED specifically */
  8023. if (!(phy->flags & FLAGS_NOC))
  8024. return;
  8025. switch (mode) {
  8026. case LED_MODE_FRONT_PANEL_OFF:
  8027. case LED_MODE_OFF:
  8028. led_mode_bitmask = 0;
  8029. gpio_pins_bitmask = 0x03;
  8030. break;
  8031. case LED_MODE_ON:
  8032. led_mode_bitmask = 0;
  8033. gpio_pins_bitmask = 0x02;
  8034. break;
  8035. case LED_MODE_OPER:
  8036. led_mode_bitmask = 0x60;
  8037. gpio_pins_bitmask = 0x11;
  8038. break;
  8039. }
  8040. bnx2x_cl45_read(bp, phy,
  8041. MDIO_PMA_DEVAD,
  8042. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8043. &val);
  8044. val &= 0xff8f;
  8045. val |= led_mode_bitmask;
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8049. val);
  8050. bnx2x_cl45_read(bp, phy,
  8051. MDIO_PMA_DEVAD,
  8052. MDIO_PMA_REG_8727_GPIO_CTRL,
  8053. &val);
  8054. val &= 0xffe0;
  8055. val |= gpio_pins_bitmask;
  8056. bnx2x_cl45_write(bp, phy,
  8057. MDIO_PMA_DEVAD,
  8058. MDIO_PMA_REG_8727_GPIO_CTRL,
  8059. val);
  8060. }
  8061. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8062. struct link_params *params) {
  8063. u32 swap_val, swap_override;
  8064. u8 port;
  8065. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8066. * to cancel the swap done in set_gpio()
  8067. */
  8068. struct bnx2x *bp = params->bp;
  8069. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8070. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8071. port = (swap_val && swap_override) ^ 1;
  8072. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8073. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8074. }
  8075. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8076. struct link_params *params)
  8077. {
  8078. struct bnx2x *bp = params->bp;
  8079. u16 tmp1, val;
  8080. /* Set option 1G speed */
  8081. if ((phy->req_line_speed == SPEED_1000) ||
  8082. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8083. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8084. bnx2x_cl45_write(bp, phy,
  8085. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8086. bnx2x_cl45_write(bp, phy,
  8087. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8088. bnx2x_cl45_read(bp, phy,
  8089. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8090. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8091. /* Power down the XAUI until link is up in case of dual-media
  8092. * and 1G
  8093. */
  8094. if (DUAL_MEDIA(params)) {
  8095. bnx2x_cl45_read(bp, phy,
  8096. MDIO_PMA_DEVAD,
  8097. MDIO_PMA_REG_8727_PCS_GP, &val);
  8098. val |= (3<<10);
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_PMA_DEVAD,
  8101. MDIO_PMA_REG_8727_PCS_GP, val);
  8102. }
  8103. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8104. ((phy->speed_cap_mask &
  8105. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8106. ((phy->speed_cap_mask &
  8107. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8108. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8109. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8110. bnx2x_cl45_write(bp, phy,
  8111. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8112. bnx2x_cl45_write(bp, phy,
  8113. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8114. } else {
  8115. /* Since the 8727 has only single reset pin, need to set the 10G
  8116. * registers although it is default
  8117. */
  8118. bnx2x_cl45_write(bp, phy,
  8119. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8120. 0x0020);
  8121. bnx2x_cl45_write(bp, phy,
  8122. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8123. bnx2x_cl45_write(bp, phy,
  8124. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8125. bnx2x_cl45_write(bp, phy,
  8126. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8127. 0x0008);
  8128. }
  8129. }
  8130. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8131. struct link_params *params,
  8132. struct link_vars *vars)
  8133. {
  8134. u32 tx_en_mode;
  8135. u16 tmp1, val, mod_abs, tmp2;
  8136. u16 rx_alarm_ctrl_val;
  8137. u16 lasi_ctrl_val;
  8138. struct bnx2x *bp = params->bp;
  8139. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8140. bnx2x_wait_reset_complete(bp, phy, params);
  8141. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  8142. /* Should be 0x6 to enable XS on Tx side. */
  8143. lasi_ctrl_val = 0x0006;
  8144. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8145. /* Enable LASI */
  8146. bnx2x_cl45_write(bp, phy,
  8147. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8148. rx_alarm_ctrl_val);
  8149. bnx2x_cl45_write(bp, phy,
  8150. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  8151. 0);
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  8154. /* Initially configure MOD_ABS to interrupt when module is
  8155. * presence( bit 8)
  8156. */
  8157. bnx2x_cl45_read(bp, phy,
  8158. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8159. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8160. * When the EDC is off it locks onto a reference clock and avoids
  8161. * becoming 'lost'
  8162. */
  8163. mod_abs &= ~(1<<8);
  8164. if (!(phy->flags & FLAGS_NOC))
  8165. mod_abs &= ~(1<<9);
  8166. bnx2x_cl45_write(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8168. /* Enable/Disable PHY transmitter output */
  8169. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8170. /* Make MOD_ABS give interrupt on change */
  8171. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8172. &val);
  8173. val |= (1<<12);
  8174. if (phy->flags & FLAGS_NOC)
  8175. val |= (3<<5);
  8176. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  8177. * status which reflect SFP+ module over-current
  8178. */
  8179. if (!(phy->flags & FLAGS_NOC))
  8180. val &= 0xff8f; /* Reset bits 4-6 */
  8181. bnx2x_cl45_write(bp, phy,
  8182. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  8183. bnx2x_8727_power_module(bp, phy, 1);
  8184. bnx2x_cl45_read(bp, phy,
  8185. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8186. bnx2x_cl45_read(bp, phy,
  8187. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8188. bnx2x_8727_config_speed(phy, params);
  8189. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8190. * to 100Khz since some DACs(direct attached cables) do
  8191. * not work at 400Khz.
  8192. */
  8193. bnx2x_cl45_write(bp, phy,
  8194. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8195. 0xa001);
  8196. /* Set TX PreEmphasis if needed */
  8197. if ((params->feature_config_flags &
  8198. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8199. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8200. phy->tx_preemphasis[0],
  8201. phy->tx_preemphasis[1]);
  8202. bnx2x_cl45_write(bp, phy,
  8203. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8204. phy->tx_preemphasis[0]);
  8205. bnx2x_cl45_write(bp, phy,
  8206. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8207. phy->tx_preemphasis[1]);
  8208. }
  8209. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8210. * power mode, if TX Laser is disabled
  8211. */
  8212. tx_en_mode = REG_RD(bp, params->shmem_base +
  8213. offsetof(struct shmem_region,
  8214. dev_info.port_hw_config[params->port].sfp_ctrl))
  8215. & PORT_HW_CFG_TX_LASER_MASK;
  8216. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8217. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8218. bnx2x_cl45_read(bp, phy,
  8219. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8220. tmp2 |= 0x1000;
  8221. tmp2 &= 0xFFEF;
  8222. bnx2x_cl45_write(bp, phy,
  8223. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8224. bnx2x_cl45_read(bp, phy,
  8225. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8226. &tmp2);
  8227. bnx2x_cl45_write(bp, phy,
  8228. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8229. (tmp2 & 0x7fff));
  8230. }
  8231. return 0;
  8232. }
  8233. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8234. struct link_params *params)
  8235. {
  8236. struct bnx2x *bp = params->bp;
  8237. u16 mod_abs, rx_alarm_status;
  8238. u32 val = REG_RD(bp, params->shmem_base +
  8239. offsetof(struct shmem_region, dev_info.
  8240. port_feature_config[params->port].
  8241. config));
  8242. bnx2x_cl45_read(bp, phy,
  8243. MDIO_PMA_DEVAD,
  8244. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8245. if (mod_abs & (1<<8)) {
  8246. /* Module is absent */
  8247. DP(NETIF_MSG_LINK,
  8248. "MOD_ABS indication show module is absent\n");
  8249. phy->media_type = ETH_PHY_NOT_PRESENT;
  8250. /* 1. Set mod_abs to detect next module
  8251. * presence event
  8252. * 2. Set EDC off by setting OPTXLOS signal input to low
  8253. * (bit 9).
  8254. * When the EDC is off it locks onto a reference clock and
  8255. * avoids becoming 'lost'.
  8256. */
  8257. mod_abs &= ~(1<<8);
  8258. if (!(phy->flags & FLAGS_NOC))
  8259. mod_abs &= ~(1<<9);
  8260. bnx2x_cl45_write(bp, phy,
  8261. MDIO_PMA_DEVAD,
  8262. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8263. /* Clear RX alarm since it stays up as long as
  8264. * the mod_abs wasn't changed
  8265. */
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8269. } else {
  8270. /* Module is present */
  8271. DP(NETIF_MSG_LINK,
  8272. "MOD_ABS indication show module is present\n");
  8273. /* First disable transmitter, and if the module is ok, the
  8274. * module_detection will enable it
  8275. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8276. * 2. Restore the default polarity of the OPRXLOS signal and
  8277. * this signal will then correctly indicate the presence or
  8278. * absence of the Rx signal. (bit 9)
  8279. */
  8280. mod_abs |= (1<<8);
  8281. if (!(phy->flags & FLAGS_NOC))
  8282. mod_abs |= (1<<9);
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8286. /* Clear RX alarm since it stays up as long as the mod_abs
  8287. * wasn't changed. This is need to be done before calling the
  8288. * module detection, otherwise it will clear* the link update
  8289. * alarm
  8290. */
  8291. bnx2x_cl45_read(bp, phy,
  8292. MDIO_PMA_DEVAD,
  8293. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8294. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8295. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8296. bnx2x_sfp_set_transmitter(params, phy, 0);
  8297. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8298. bnx2x_sfp_module_detection(phy, params);
  8299. else
  8300. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8301. /* Reconfigure link speed based on module type limitations */
  8302. bnx2x_8727_config_speed(phy, params);
  8303. }
  8304. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8305. rx_alarm_status);
  8306. /* No need to check link status in case of module plugged in/out */
  8307. }
  8308. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8309. struct link_params *params,
  8310. struct link_vars *vars)
  8311. {
  8312. struct bnx2x *bp = params->bp;
  8313. u8 link_up = 0, oc_port = params->port;
  8314. u16 link_status = 0;
  8315. u16 rx_alarm_status, lasi_ctrl, val1;
  8316. /* If PHY is not initialized, do not check link status */
  8317. bnx2x_cl45_read(bp, phy,
  8318. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8319. &lasi_ctrl);
  8320. if (!lasi_ctrl)
  8321. return 0;
  8322. /* Check the LASI on Rx */
  8323. bnx2x_cl45_read(bp, phy,
  8324. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8325. &rx_alarm_status);
  8326. vars->line_speed = 0;
  8327. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8328. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8329. MDIO_PMA_LASI_TXCTRL);
  8330. bnx2x_cl45_read(bp, phy,
  8331. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8332. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8333. /* Clear MSG-OUT */
  8334. bnx2x_cl45_read(bp, phy,
  8335. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8336. /* If a module is present and there is need to check
  8337. * for over current
  8338. */
  8339. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8340. /* Check over-current using 8727 GPIO0 input*/
  8341. bnx2x_cl45_read(bp, phy,
  8342. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8343. &val1);
  8344. if ((val1 & (1<<8)) == 0) {
  8345. if (!CHIP_IS_E1x(bp))
  8346. oc_port = BP_PATH(bp) + (params->port << 1);
  8347. DP(NETIF_MSG_LINK,
  8348. "8727 Power fault has been detected on port %d\n",
  8349. oc_port);
  8350. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8351. "been detected and the power to "
  8352. "that SFP+ module has been removed "
  8353. "to prevent failure of the card. "
  8354. "Please remove the SFP+ module and "
  8355. "restart the system to clear this "
  8356. "error.\n",
  8357. oc_port);
  8358. /* Disable all RX_ALARMs except for mod_abs */
  8359. bnx2x_cl45_write(bp, phy,
  8360. MDIO_PMA_DEVAD,
  8361. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8362. bnx2x_cl45_read(bp, phy,
  8363. MDIO_PMA_DEVAD,
  8364. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8365. /* Wait for module_absent_event */
  8366. val1 |= (1<<8);
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_PMA_DEVAD,
  8369. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8370. /* Clear RX alarm */
  8371. bnx2x_cl45_read(bp, phy,
  8372. MDIO_PMA_DEVAD,
  8373. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8374. return 0;
  8375. }
  8376. } /* Over current check */
  8377. /* When module absent bit is set, check module */
  8378. if (rx_alarm_status & (1<<5)) {
  8379. bnx2x_8727_handle_mod_abs(phy, params);
  8380. /* Enable all mod_abs and link detection bits */
  8381. bnx2x_cl45_write(bp, phy,
  8382. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8383. ((1<<5) | (1<<2)));
  8384. }
  8385. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8386. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8387. bnx2x_sfp_set_transmitter(params, phy, 1);
  8388. } else {
  8389. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8390. return 0;
  8391. }
  8392. bnx2x_cl45_read(bp, phy,
  8393. MDIO_PMA_DEVAD,
  8394. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8395. /* Bits 0..2 --> speed detected,
  8396. * Bits 13..15--> link is down
  8397. */
  8398. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8399. link_up = 1;
  8400. vars->line_speed = SPEED_10000;
  8401. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8402. params->port);
  8403. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8404. link_up = 1;
  8405. vars->line_speed = SPEED_1000;
  8406. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8407. params->port);
  8408. } else {
  8409. link_up = 0;
  8410. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8411. params->port);
  8412. }
  8413. /* Capture 10G link fault. */
  8414. if (vars->line_speed == SPEED_10000) {
  8415. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8416. MDIO_PMA_LASI_TXSTAT, &val1);
  8417. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8418. MDIO_PMA_LASI_TXSTAT, &val1);
  8419. if (val1 & (1<<0)) {
  8420. vars->fault_detected = 1;
  8421. }
  8422. }
  8423. if (link_up) {
  8424. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8425. vars->duplex = DUPLEX_FULL;
  8426. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8427. }
  8428. if ((DUAL_MEDIA(params)) &&
  8429. (phy->req_line_speed == SPEED_1000)) {
  8430. bnx2x_cl45_read(bp, phy,
  8431. MDIO_PMA_DEVAD,
  8432. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8433. /* In case of dual-media board and 1G, power up the XAUI side,
  8434. * otherwise power it down. For 10G it is done automatically
  8435. */
  8436. if (link_up)
  8437. val1 &= ~(3<<10);
  8438. else
  8439. val1 |= (3<<10);
  8440. bnx2x_cl45_write(bp, phy,
  8441. MDIO_PMA_DEVAD,
  8442. MDIO_PMA_REG_8727_PCS_GP, val1);
  8443. }
  8444. return link_up;
  8445. }
  8446. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8447. struct link_params *params)
  8448. {
  8449. struct bnx2x *bp = params->bp;
  8450. /* Enable/Disable PHY transmitter output */
  8451. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8452. /* Disable Transmitter */
  8453. bnx2x_sfp_set_transmitter(params, phy, 0);
  8454. /* Clear LASI */
  8455. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8456. }
  8457. /******************************************************************/
  8458. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8459. /******************************************************************/
  8460. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8461. struct bnx2x *bp,
  8462. u8 port)
  8463. {
  8464. u16 val, fw_ver1, fw_ver2, cnt;
  8465. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8466. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8467. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8468. phy->ver_addr);
  8469. } else {
  8470. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8471. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8472. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8473. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8474. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8475. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8476. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8477. for (cnt = 0; cnt < 100; cnt++) {
  8478. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8479. if (val & 1)
  8480. break;
  8481. udelay(5);
  8482. }
  8483. if (cnt == 100) {
  8484. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8485. "phy fw version(1)\n");
  8486. bnx2x_save_spirom_version(bp, port, 0,
  8487. phy->ver_addr);
  8488. return;
  8489. }
  8490. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8491. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8492. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8493. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8494. for (cnt = 0; cnt < 100; cnt++) {
  8495. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8496. if (val & 1)
  8497. break;
  8498. udelay(5);
  8499. }
  8500. if (cnt == 100) {
  8501. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8502. "version(2)\n");
  8503. bnx2x_save_spirom_version(bp, port, 0,
  8504. phy->ver_addr);
  8505. return;
  8506. }
  8507. /* lower 16 bits of the register SPI_FW_STATUS */
  8508. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8509. /* upper 16 bits of register SPI_FW_STATUS */
  8510. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8511. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8512. phy->ver_addr);
  8513. }
  8514. }
  8515. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8516. struct bnx2x_phy *phy)
  8517. {
  8518. u16 val, offset;
  8519. /* PHYC_CTL_LED_CTL */
  8520. bnx2x_cl45_read(bp, phy,
  8521. MDIO_PMA_DEVAD,
  8522. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8523. val &= 0xFE00;
  8524. val |= 0x0092;
  8525. bnx2x_cl45_write(bp, phy,
  8526. MDIO_PMA_DEVAD,
  8527. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8528. bnx2x_cl45_write(bp, phy,
  8529. MDIO_PMA_DEVAD,
  8530. MDIO_PMA_REG_8481_LED1_MASK,
  8531. 0x80);
  8532. bnx2x_cl45_write(bp, phy,
  8533. MDIO_PMA_DEVAD,
  8534. MDIO_PMA_REG_8481_LED2_MASK,
  8535. 0x18);
  8536. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8537. bnx2x_cl45_write(bp, phy,
  8538. MDIO_PMA_DEVAD,
  8539. MDIO_PMA_REG_8481_LED3_MASK,
  8540. 0x0006);
  8541. /* Select the closest activity blink rate to that in 10/100/1000 */
  8542. bnx2x_cl45_write(bp, phy,
  8543. MDIO_PMA_DEVAD,
  8544. MDIO_PMA_REG_8481_LED3_BLINK,
  8545. 0);
  8546. /* Configure the blink rate to ~15.9 Hz */
  8547. bnx2x_cl45_write(bp, phy,
  8548. MDIO_PMA_DEVAD,
  8549. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8550. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8551. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8552. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8553. else
  8554. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8555. bnx2x_cl45_read(bp, phy,
  8556. MDIO_PMA_DEVAD, offset, &val);
  8557. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8558. bnx2x_cl45_write(bp, phy,
  8559. MDIO_PMA_DEVAD, offset, val);
  8560. /* 'Interrupt Mask' */
  8561. bnx2x_cl45_write(bp, phy,
  8562. MDIO_AN_DEVAD,
  8563. 0xFFFB, 0xFFFD);
  8564. }
  8565. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8566. struct link_params *params,
  8567. struct link_vars *vars)
  8568. {
  8569. struct bnx2x *bp = params->bp;
  8570. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8571. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8572. /* Save spirom version */
  8573. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8574. }
  8575. /* This phy uses the NIG latch mechanism since link indication
  8576. * arrives through its LED4 and not via its LASI signal, so we
  8577. * get steady signal instead of clear on read
  8578. */
  8579. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8580. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8581. bnx2x_cl45_write(bp, phy,
  8582. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8583. bnx2x_848xx_set_led(bp, phy);
  8584. /* set 1000 speed advertisement */
  8585. bnx2x_cl45_read(bp, phy,
  8586. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8587. &an_1000_val);
  8588. bnx2x_ext_phy_set_pause(params, phy, vars);
  8589. bnx2x_cl45_read(bp, phy,
  8590. MDIO_AN_DEVAD,
  8591. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8592. &an_10_100_val);
  8593. bnx2x_cl45_read(bp, phy,
  8594. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8595. &autoneg_val);
  8596. /* Disable forced speed */
  8597. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8598. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8599. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8600. (phy->speed_cap_mask &
  8601. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8602. (phy->req_line_speed == SPEED_1000)) {
  8603. an_1000_val |= (1<<8);
  8604. autoneg_val |= (1<<9 | 1<<12);
  8605. if (phy->req_duplex == DUPLEX_FULL)
  8606. an_1000_val |= (1<<9);
  8607. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8608. } else
  8609. an_1000_val &= ~((1<<8) | (1<<9));
  8610. bnx2x_cl45_write(bp, phy,
  8611. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8612. an_1000_val);
  8613. /* set 100 speed advertisement */
  8614. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8615. (phy->speed_cap_mask &
  8616. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8617. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8618. an_10_100_val |= (1<<7);
  8619. /* Enable autoneg and restart autoneg for legacy speeds */
  8620. autoneg_val |= (1<<9 | 1<<12);
  8621. if (phy->req_duplex == DUPLEX_FULL)
  8622. an_10_100_val |= (1<<8);
  8623. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8624. }
  8625. /* set 10 speed advertisement */
  8626. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8627. (phy->speed_cap_mask &
  8628. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8629. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8630. (phy->supported &
  8631. (SUPPORTED_10baseT_Half |
  8632. SUPPORTED_10baseT_Full)))) {
  8633. an_10_100_val |= (1<<5);
  8634. autoneg_val |= (1<<9 | 1<<12);
  8635. if (phy->req_duplex == DUPLEX_FULL)
  8636. an_10_100_val |= (1<<6);
  8637. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8638. }
  8639. /* Only 10/100 are allowed to work in FORCE mode */
  8640. if ((phy->req_line_speed == SPEED_100) &&
  8641. (phy->supported &
  8642. (SUPPORTED_100baseT_Half |
  8643. SUPPORTED_100baseT_Full))) {
  8644. autoneg_val |= (1<<13);
  8645. /* Enabled AUTO-MDIX when autoneg is disabled */
  8646. bnx2x_cl45_write(bp, phy,
  8647. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8648. (1<<15 | 1<<9 | 7<<0));
  8649. /* The PHY needs this set even for forced link. */
  8650. an_10_100_val |= (1<<8) | (1<<7);
  8651. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8652. }
  8653. if ((phy->req_line_speed == SPEED_10) &&
  8654. (phy->supported &
  8655. (SUPPORTED_10baseT_Half |
  8656. SUPPORTED_10baseT_Full))) {
  8657. /* Enabled AUTO-MDIX when autoneg is disabled */
  8658. bnx2x_cl45_write(bp, phy,
  8659. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8660. (1<<15 | 1<<9 | 7<<0));
  8661. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8662. }
  8663. bnx2x_cl45_write(bp, phy,
  8664. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8665. an_10_100_val);
  8666. if (phy->req_duplex == DUPLEX_FULL)
  8667. autoneg_val |= (1<<8);
  8668. /* Always write this if this is not 84833.
  8669. * For 84833, write it only when it's a forced speed.
  8670. */
  8671. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8672. ((autoneg_val & (1<<12)) == 0))
  8673. bnx2x_cl45_write(bp, phy,
  8674. MDIO_AN_DEVAD,
  8675. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8676. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8677. (phy->speed_cap_mask &
  8678. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8679. (phy->req_line_speed == SPEED_10000)) {
  8680. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8681. /* Restart autoneg for 10G*/
  8682. bnx2x_cl45_read(bp, phy,
  8683. MDIO_AN_DEVAD,
  8684. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8685. &an_10g_val);
  8686. bnx2x_cl45_write(bp, phy,
  8687. MDIO_AN_DEVAD,
  8688. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8689. an_10g_val | 0x1000);
  8690. bnx2x_cl45_write(bp, phy,
  8691. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8692. 0x3200);
  8693. } else
  8694. bnx2x_cl45_write(bp, phy,
  8695. MDIO_AN_DEVAD,
  8696. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8697. 1);
  8698. return 0;
  8699. }
  8700. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8701. struct link_params *params,
  8702. struct link_vars *vars)
  8703. {
  8704. struct bnx2x *bp = params->bp;
  8705. /* Restore normal power mode*/
  8706. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8707. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8708. /* HW reset */
  8709. bnx2x_ext_phy_hw_reset(bp, params->port);
  8710. bnx2x_wait_reset_complete(bp, phy, params);
  8711. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8712. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8713. }
  8714. #define PHY84833_CMDHDLR_WAIT 300
  8715. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8716. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8717. struct link_params *params,
  8718. u16 fw_cmd,
  8719. u16 cmd_args[], int argc)
  8720. {
  8721. int idx;
  8722. u16 val;
  8723. struct bnx2x *bp = params->bp;
  8724. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8725. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_84833_CMD_HDLR_STATUS,
  8727. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8728. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8729. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8730. MDIO_84833_CMD_HDLR_STATUS, &val);
  8731. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8732. break;
  8733. usleep_range(1000, 2000);
  8734. }
  8735. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8736. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8737. return -EINVAL;
  8738. }
  8739. /* Prepare argument(s) and issue command */
  8740. for (idx = 0; idx < argc; idx++) {
  8741. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8742. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8743. cmd_args[idx]);
  8744. }
  8745. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8746. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8747. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8748. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8749. MDIO_84833_CMD_HDLR_STATUS, &val);
  8750. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8751. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8752. break;
  8753. usleep_range(1000, 2000);
  8754. }
  8755. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8756. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8757. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8758. return -EINVAL;
  8759. }
  8760. /* Gather returning data */
  8761. for (idx = 0; idx < argc; idx++) {
  8762. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8763. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8764. &cmd_args[idx]);
  8765. }
  8766. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8767. MDIO_84833_CMD_HDLR_STATUS,
  8768. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8769. return 0;
  8770. }
  8771. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8772. struct link_params *params,
  8773. struct link_vars *vars)
  8774. {
  8775. u32 pair_swap;
  8776. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8777. int status;
  8778. struct bnx2x *bp = params->bp;
  8779. /* Check for configuration. */
  8780. pair_swap = REG_RD(bp, params->shmem_base +
  8781. offsetof(struct shmem_region,
  8782. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8783. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8784. if (pair_swap == 0)
  8785. return 0;
  8786. /* Only the second argument is used for this command */
  8787. data[1] = (u16)pair_swap;
  8788. status = bnx2x_84833_cmd_hdlr(phy, params,
  8789. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8790. if (status == 0)
  8791. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8792. return status;
  8793. }
  8794. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8795. u32 shmem_base_path[],
  8796. u32 chip_id)
  8797. {
  8798. u32 reset_pin[2];
  8799. u32 idx;
  8800. u8 reset_gpios;
  8801. if (CHIP_IS_E3(bp)) {
  8802. /* Assume that these will be GPIOs, not EPIOs. */
  8803. for (idx = 0; idx < 2; idx++) {
  8804. /* Map config param to register bit. */
  8805. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8806. offsetof(struct shmem_region,
  8807. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8808. reset_pin[idx] = (reset_pin[idx] &
  8809. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8810. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8811. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8812. reset_pin[idx] = (1 << reset_pin[idx]);
  8813. }
  8814. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8815. } else {
  8816. /* E2, look from diff place of shmem. */
  8817. for (idx = 0; idx < 2; idx++) {
  8818. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8819. offsetof(struct shmem_region,
  8820. dev_info.port_hw_config[0].default_cfg));
  8821. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8822. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8823. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8824. reset_pin[idx] = (1 << reset_pin[idx]);
  8825. }
  8826. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8827. }
  8828. return reset_gpios;
  8829. }
  8830. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8831. struct link_params *params)
  8832. {
  8833. struct bnx2x *bp = params->bp;
  8834. u8 reset_gpios;
  8835. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8836. offsetof(struct shmem2_region,
  8837. other_shmem_base_addr));
  8838. u32 shmem_base_path[2];
  8839. /* Work around for 84833 LED failure inside RESET status */
  8840. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8841. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8842. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8843. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8844. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8845. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8846. shmem_base_path[0] = params->shmem_base;
  8847. shmem_base_path[1] = other_shmem_base_addr;
  8848. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8849. params->chip_id);
  8850. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8851. udelay(10);
  8852. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8853. reset_gpios);
  8854. return 0;
  8855. }
  8856. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8857. struct link_params *params,
  8858. struct link_vars *vars)
  8859. {
  8860. int rc;
  8861. struct bnx2x *bp = params->bp;
  8862. u16 cmd_args = 0;
  8863. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8864. /* Prevent Phy from working in EEE and advertising it */
  8865. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8866. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8867. if (rc) {
  8868. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8869. return rc;
  8870. }
  8871. return bnx2x_eee_disable(phy, params, vars);
  8872. }
  8873. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8874. struct link_params *params,
  8875. struct link_vars *vars)
  8876. {
  8877. int rc;
  8878. struct bnx2x *bp = params->bp;
  8879. u16 cmd_args = 1;
  8880. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8881. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8882. if (rc) {
  8883. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8884. return rc;
  8885. }
  8886. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8887. }
  8888. #define PHY84833_CONSTANT_LATENCY 1193
  8889. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8890. struct link_params *params,
  8891. struct link_vars *vars)
  8892. {
  8893. struct bnx2x *bp = params->bp;
  8894. u8 port, initialize = 1;
  8895. u16 val;
  8896. u32 actual_phy_selection, cms_enable;
  8897. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8898. int rc = 0;
  8899. usleep_range(1000, 2000);
  8900. if (!(CHIP_IS_E1x(bp)))
  8901. port = BP_PATH(bp);
  8902. else
  8903. port = params->port;
  8904. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8905. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8906. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8907. port);
  8908. } else {
  8909. /* MDIO reset */
  8910. bnx2x_cl45_write(bp, phy,
  8911. MDIO_PMA_DEVAD,
  8912. MDIO_PMA_REG_CTRL, 0x8000);
  8913. }
  8914. bnx2x_wait_reset_complete(bp, phy, params);
  8915. /* Wait for GPHY to come out of reset */
  8916. msleep(50);
  8917. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8918. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8919. * behavior.
  8920. */
  8921. u16 temp;
  8922. temp = vars->line_speed;
  8923. vars->line_speed = SPEED_10000;
  8924. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8925. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8926. vars->line_speed = temp;
  8927. }
  8928. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8929. MDIO_CTL_REG_84823_MEDIA, &val);
  8930. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8931. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8932. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8933. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8934. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8935. if (CHIP_IS_E3(bp)) {
  8936. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8937. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8938. } else {
  8939. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8940. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8941. }
  8942. actual_phy_selection = bnx2x_phy_selection(params);
  8943. switch (actual_phy_selection) {
  8944. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8945. /* Do nothing. Essentially this is like the priority copper */
  8946. break;
  8947. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8948. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8949. break;
  8950. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8951. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8952. break;
  8953. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8954. /* Do nothing here. The first PHY won't be initialized at all */
  8955. break;
  8956. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8957. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8958. initialize = 0;
  8959. break;
  8960. }
  8961. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8962. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8963. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8964. MDIO_CTL_REG_84823_MEDIA, val);
  8965. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8966. params->multi_phy_config, val);
  8967. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8968. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8969. /* Keep AutogrEEEn disabled. */
  8970. cmd_args[0] = 0x0;
  8971. cmd_args[1] = 0x0;
  8972. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8973. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8974. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8975. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8976. PHY84833_CMDHDLR_MAX_ARGS);
  8977. if (rc)
  8978. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8979. }
  8980. if (initialize)
  8981. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8982. else
  8983. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8984. /* 84833 PHY has a better feature and doesn't need to support this. */
  8985. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8986. cms_enable = REG_RD(bp, params->shmem_base +
  8987. offsetof(struct shmem_region,
  8988. dev_info.port_hw_config[params->port].default_cfg)) &
  8989. PORT_HW_CFG_ENABLE_CMS_MASK;
  8990. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8991. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8992. if (cms_enable)
  8993. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8994. else
  8995. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8996. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8997. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8998. }
  8999. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9000. MDIO_84833_TOP_CFG_FW_REV, &val);
  9001. /* Configure EEE support */
  9002. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  9003. phy->flags |= FLAGS_EEE_10GBT;
  9004. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9005. if (rc) {
  9006. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9007. bnx2x_8483x_disable_eee(phy, params, vars);
  9008. return rc;
  9009. }
  9010. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  9011. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9012. (bnx2x_eee_calc_timer(params) ||
  9013. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9014. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9015. else
  9016. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9017. if (rc) {
  9018. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  9019. return rc;
  9020. }
  9021. } else {
  9022. phy->flags &= ~FLAGS_EEE_10GBT;
  9023. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9024. }
  9025. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9026. /* Bring PHY out of super isolate mode as the final step. */
  9027. bnx2x_cl45_read(bp, phy,
  9028. MDIO_CTL_DEVAD,
  9029. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  9030. val &= ~MDIO_84833_SUPER_ISOLATE;
  9031. bnx2x_cl45_write(bp, phy,
  9032. MDIO_CTL_DEVAD,
  9033. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  9034. }
  9035. return rc;
  9036. }
  9037. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9038. struct link_params *params,
  9039. struct link_vars *vars)
  9040. {
  9041. struct bnx2x *bp = params->bp;
  9042. u16 val, val1, val2;
  9043. u8 link_up = 0;
  9044. /* Check 10G-BaseT link status */
  9045. /* Check PMD signal ok */
  9046. bnx2x_cl45_read(bp, phy,
  9047. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9048. bnx2x_cl45_read(bp, phy,
  9049. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9050. &val2);
  9051. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9052. /* Check link 10G */
  9053. if (val2 & (1<<11)) {
  9054. vars->line_speed = SPEED_10000;
  9055. vars->duplex = DUPLEX_FULL;
  9056. link_up = 1;
  9057. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9058. } else { /* Check Legacy speed link */
  9059. u16 legacy_status, legacy_speed;
  9060. /* Enable expansion register 0x42 (Operation mode status) */
  9061. bnx2x_cl45_write(bp, phy,
  9062. MDIO_AN_DEVAD,
  9063. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9064. /* Get legacy speed operation status */
  9065. bnx2x_cl45_read(bp, phy,
  9066. MDIO_AN_DEVAD,
  9067. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9068. &legacy_status);
  9069. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9070. legacy_status);
  9071. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9072. legacy_speed = (legacy_status & (3<<9));
  9073. if (legacy_speed == (0<<9))
  9074. vars->line_speed = SPEED_10;
  9075. else if (legacy_speed == (1<<9))
  9076. vars->line_speed = SPEED_100;
  9077. else if (legacy_speed == (2<<9))
  9078. vars->line_speed = SPEED_1000;
  9079. else { /* Should not happen: Treat as link down */
  9080. vars->line_speed = 0;
  9081. link_up = 0;
  9082. }
  9083. if (link_up) {
  9084. if (legacy_status & (1<<8))
  9085. vars->duplex = DUPLEX_FULL;
  9086. else
  9087. vars->duplex = DUPLEX_HALF;
  9088. DP(NETIF_MSG_LINK,
  9089. "Link is up in %dMbps, is_duplex_full= %d\n",
  9090. vars->line_speed,
  9091. (vars->duplex == DUPLEX_FULL));
  9092. /* Check legacy speed AN resolution */
  9093. bnx2x_cl45_read(bp, phy,
  9094. MDIO_AN_DEVAD,
  9095. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9096. &val);
  9097. if (val & (1<<5))
  9098. vars->link_status |=
  9099. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9100. bnx2x_cl45_read(bp, phy,
  9101. MDIO_AN_DEVAD,
  9102. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9103. &val);
  9104. if ((val & (1<<0)) == 0)
  9105. vars->link_status |=
  9106. LINK_STATUS_PARALLEL_DETECTION_USED;
  9107. }
  9108. }
  9109. if (link_up) {
  9110. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9111. vars->line_speed);
  9112. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9113. /* Read LP advertised speeds */
  9114. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9115. MDIO_AN_REG_CL37_FC_LP, &val);
  9116. if (val & (1<<5))
  9117. vars->link_status |=
  9118. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9119. if (val & (1<<6))
  9120. vars->link_status |=
  9121. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9122. if (val & (1<<7))
  9123. vars->link_status |=
  9124. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9125. if (val & (1<<8))
  9126. vars->link_status |=
  9127. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9128. if (val & (1<<9))
  9129. vars->link_status |=
  9130. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9131. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9132. MDIO_AN_REG_1000T_STATUS, &val);
  9133. if (val & (1<<10))
  9134. vars->link_status |=
  9135. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9136. if (val & (1<<11))
  9137. vars->link_status |=
  9138. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9139. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9140. MDIO_AN_REG_MASTER_STATUS, &val);
  9141. if (val & (1<<11))
  9142. vars->link_status |=
  9143. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9144. /* Determine if EEE was negotiated */
  9145. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9146. bnx2x_eee_an_resolve(phy, params, vars);
  9147. }
  9148. return link_up;
  9149. }
  9150. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9151. {
  9152. int status = 0;
  9153. u32 spirom_ver;
  9154. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9155. status = bnx2x_format_ver(spirom_ver, str, len);
  9156. return status;
  9157. }
  9158. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9159. struct link_params *params)
  9160. {
  9161. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9162. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9163. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9164. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9165. }
  9166. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9167. struct link_params *params)
  9168. {
  9169. bnx2x_cl45_write(params->bp, phy,
  9170. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9171. bnx2x_cl45_write(params->bp, phy,
  9172. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9173. }
  9174. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9175. struct link_params *params)
  9176. {
  9177. struct bnx2x *bp = params->bp;
  9178. u8 port;
  9179. u16 val16;
  9180. if (!(CHIP_IS_E1x(bp)))
  9181. port = BP_PATH(bp);
  9182. else
  9183. port = params->port;
  9184. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9185. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9186. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9187. port);
  9188. } else {
  9189. bnx2x_cl45_read(bp, phy,
  9190. MDIO_CTL_DEVAD,
  9191. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9192. val16 |= MDIO_84833_SUPER_ISOLATE;
  9193. bnx2x_cl45_write(bp, phy,
  9194. MDIO_CTL_DEVAD,
  9195. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9196. }
  9197. }
  9198. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9199. struct link_params *params, u8 mode)
  9200. {
  9201. struct bnx2x *bp = params->bp;
  9202. u16 val;
  9203. u8 port;
  9204. if (!(CHIP_IS_E1x(bp)))
  9205. port = BP_PATH(bp);
  9206. else
  9207. port = params->port;
  9208. switch (mode) {
  9209. case LED_MODE_OFF:
  9210. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9211. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9212. SHARED_HW_CFG_LED_EXTPHY1) {
  9213. /* Set LED masks */
  9214. bnx2x_cl45_write(bp, phy,
  9215. MDIO_PMA_DEVAD,
  9216. MDIO_PMA_REG_8481_LED1_MASK,
  9217. 0x0);
  9218. bnx2x_cl45_write(bp, phy,
  9219. MDIO_PMA_DEVAD,
  9220. MDIO_PMA_REG_8481_LED2_MASK,
  9221. 0x0);
  9222. bnx2x_cl45_write(bp, phy,
  9223. MDIO_PMA_DEVAD,
  9224. MDIO_PMA_REG_8481_LED3_MASK,
  9225. 0x0);
  9226. bnx2x_cl45_write(bp, phy,
  9227. MDIO_PMA_DEVAD,
  9228. MDIO_PMA_REG_8481_LED5_MASK,
  9229. 0x0);
  9230. } else {
  9231. bnx2x_cl45_write(bp, phy,
  9232. MDIO_PMA_DEVAD,
  9233. MDIO_PMA_REG_8481_LED1_MASK,
  9234. 0x0);
  9235. }
  9236. break;
  9237. case LED_MODE_FRONT_PANEL_OFF:
  9238. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9239. port);
  9240. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9241. SHARED_HW_CFG_LED_EXTPHY1) {
  9242. /* Set LED masks */
  9243. bnx2x_cl45_write(bp, phy,
  9244. MDIO_PMA_DEVAD,
  9245. MDIO_PMA_REG_8481_LED1_MASK,
  9246. 0x0);
  9247. bnx2x_cl45_write(bp, phy,
  9248. MDIO_PMA_DEVAD,
  9249. MDIO_PMA_REG_8481_LED2_MASK,
  9250. 0x0);
  9251. bnx2x_cl45_write(bp, phy,
  9252. MDIO_PMA_DEVAD,
  9253. MDIO_PMA_REG_8481_LED3_MASK,
  9254. 0x0);
  9255. bnx2x_cl45_write(bp, phy,
  9256. MDIO_PMA_DEVAD,
  9257. MDIO_PMA_REG_8481_LED5_MASK,
  9258. 0x20);
  9259. } else {
  9260. bnx2x_cl45_write(bp, phy,
  9261. MDIO_PMA_DEVAD,
  9262. MDIO_PMA_REG_8481_LED1_MASK,
  9263. 0x0);
  9264. }
  9265. break;
  9266. case LED_MODE_ON:
  9267. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9268. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9269. SHARED_HW_CFG_LED_EXTPHY1) {
  9270. /* Set control reg */
  9271. bnx2x_cl45_read(bp, phy,
  9272. MDIO_PMA_DEVAD,
  9273. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9274. &val);
  9275. val &= 0x8000;
  9276. val |= 0x2492;
  9277. bnx2x_cl45_write(bp, phy,
  9278. MDIO_PMA_DEVAD,
  9279. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9280. val);
  9281. /* Set LED masks */
  9282. bnx2x_cl45_write(bp, phy,
  9283. MDIO_PMA_DEVAD,
  9284. MDIO_PMA_REG_8481_LED1_MASK,
  9285. 0x0);
  9286. bnx2x_cl45_write(bp, phy,
  9287. MDIO_PMA_DEVAD,
  9288. MDIO_PMA_REG_8481_LED2_MASK,
  9289. 0x20);
  9290. bnx2x_cl45_write(bp, phy,
  9291. MDIO_PMA_DEVAD,
  9292. MDIO_PMA_REG_8481_LED3_MASK,
  9293. 0x20);
  9294. bnx2x_cl45_write(bp, phy,
  9295. MDIO_PMA_DEVAD,
  9296. MDIO_PMA_REG_8481_LED5_MASK,
  9297. 0x0);
  9298. } else {
  9299. bnx2x_cl45_write(bp, phy,
  9300. MDIO_PMA_DEVAD,
  9301. MDIO_PMA_REG_8481_LED1_MASK,
  9302. 0x20);
  9303. }
  9304. break;
  9305. case LED_MODE_OPER:
  9306. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9307. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9308. SHARED_HW_CFG_LED_EXTPHY1) {
  9309. /* Set control reg */
  9310. bnx2x_cl45_read(bp, phy,
  9311. MDIO_PMA_DEVAD,
  9312. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9313. &val);
  9314. if (!((val &
  9315. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9316. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9317. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9318. bnx2x_cl45_write(bp, phy,
  9319. MDIO_PMA_DEVAD,
  9320. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9321. 0xa492);
  9322. }
  9323. /* Set LED masks */
  9324. bnx2x_cl45_write(bp, phy,
  9325. MDIO_PMA_DEVAD,
  9326. MDIO_PMA_REG_8481_LED1_MASK,
  9327. 0x10);
  9328. bnx2x_cl45_write(bp, phy,
  9329. MDIO_PMA_DEVAD,
  9330. MDIO_PMA_REG_8481_LED2_MASK,
  9331. 0x80);
  9332. bnx2x_cl45_write(bp, phy,
  9333. MDIO_PMA_DEVAD,
  9334. MDIO_PMA_REG_8481_LED3_MASK,
  9335. 0x98);
  9336. bnx2x_cl45_write(bp, phy,
  9337. MDIO_PMA_DEVAD,
  9338. MDIO_PMA_REG_8481_LED5_MASK,
  9339. 0x40);
  9340. } else {
  9341. bnx2x_cl45_write(bp, phy,
  9342. MDIO_PMA_DEVAD,
  9343. MDIO_PMA_REG_8481_LED1_MASK,
  9344. 0x80);
  9345. /* Tell LED3 to blink on source */
  9346. bnx2x_cl45_read(bp, phy,
  9347. MDIO_PMA_DEVAD,
  9348. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9349. &val);
  9350. val &= ~(7<<6);
  9351. val |= (1<<6); /* A83B[8:6]= 1 */
  9352. bnx2x_cl45_write(bp, phy,
  9353. MDIO_PMA_DEVAD,
  9354. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9355. val);
  9356. }
  9357. break;
  9358. }
  9359. /* This is a workaround for E3+84833 until autoneg
  9360. * restart is fixed in f/w
  9361. */
  9362. if (CHIP_IS_E3(bp)) {
  9363. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9364. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9365. }
  9366. }
  9367. /******************************************************************/
  9368. /* 54618SE PHY SECTION */
  9369. /******************************************************************/
  9370. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9371. struct link_params *params,
  9372. struct link_vars *vars)
  9373. {
  9374. struct bnx2x *bp = params->bp;
  9375. u8 port;
  9376. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9377. u32 cfg_pin;
  9378. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9379. usleep_range(1000, 2000);
  9380. /* This works with E3 only, no need to check the chip
  9381. * before determining the port.
  9382. */
  9383. port = params->port;
  9384. cfg_pin = (REG_RD(bp, params->shmem_base +
  9385. offsetof(struct shmem_region,
  9386. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9387. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9388. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9389. /* Drive pin high to bring the GPHY out of reset. */
  9390. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9391. /* wait for GPHY to reset */
  9392. msleep(50);
  9393. /* reset phy */
  9394. bnx2x_cl22_write(bp, phy,
  9395. MDIO_PMA_REG_CTRL, 0x8000);
  9396. bnx2x_wait_reset_complete(bp, phy, params);
  9397. /* Wait for GPHY to reset */
  9398. msleep(50);
  9399. /* Configure LED4: set to INTR (0x6). */
  9400. /* Accessing shadow register 0xe. */
  9401. bnx2x_cl22_write(bp, phy,
  9402. MDIO_REG_GPHY_SHADOW,
  9403. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9404. bnx2x_cl22_read(bp, phy,
  9405. MDIO_REG_GPHY_SHADOW,
  9406. &temp);
  9407. temp &= ~(0xf << 4);
  9408. temp |= (0x6 << 4);
  9409. bnx2x_cl22_write(bp, phy,
  9410. MDIO_REG_GPHY_SHADOW,
  9411. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9412. /* Configure INTR based on link status change. */
  9413. bnx2x_cl22_write(bp, phy,
  9414. MDIO_REG_INTR_MASK,
  9415. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9416. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9417. bnx2x_cl22_write(bp, phy,
  9418. MDIO_REG_GPHY_SHADOW,
  9419. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9420. bnx2x_cl22_read(bp, phy,
  9421. MDIO_REG_GPHY_SHADOW,
  9422. &temp);
  9423. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9424. bnx2x_cl22_write(bp, phy,
  9425. MDIO_REG_GPHY_SHADOW,
  9426. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9427. /* Set up fc */
  9428. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9429. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9430. fc_val = 0;
  9431. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9432. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9433. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9434. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9435. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9436. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9437. /* Read all advertisement */
  9438. bnx2x_cl22_read(bp, phy,
  9439. 0x09,
  9440. &an_1000_val);
  9441. bnx2x_cl22_read(bp, phy,
  9442. 0x04,
  9443. &an_10_100_val);
  9444. bnx2x_cl22_read(bp, phy,
  9445. MDIO_PMA_REG_CTRL,
  9446. &autoneg_val);
  9447. /* Disable forced speed */
  9448. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9449. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9450. (1<<11));
  9451. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9452. (phy->speed_cap_mask &
  9453. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9454. (phy->req_line_speed == SPEED_1000)) {
  9455. an_1000_val |= (1<<8);
  9456. autoneg_val |= (1<<9 | 1<<12);
  9457. if (phy->req_duplex == DUPLEX_FULL)
  9458. an_1000_val |= (1<<9);
  9459. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9460. } else
  9461. an_1000_val &= ~((1<<8) | (1<<9));
  9462. bnx2x_cl22_write(bp, phy,
  9463. 0x09,
  9464. an_1000_val);
  9465. bnx2x_cl22_read(bp, phy,
  9466. 0x09,
  9467. &an_1000_val);
  9468. /* Set 100 speed advertisement */
  9469. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9470. (phy->speed_cap_mask &
  9471. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9472. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9473. an_10_100_val |= (1<<7);
  9474. /* Enable autoneg and restart autoneg for legacy speeds */
  9475. autoneg_val |= (1<<9 | 1<<12);
  9476. if (phy->req_duplex == DUPLEX_FULL)
  9477. an_10_100_val |= (1<<8);
  9478. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9479. }
  9480. /* Set 10 speed advertisement */
  9481. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9482. (phy->speed_cap_mask &
  9483. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9484. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9485. an_10_100_val |= (1<<5);
  9486. autoneg_val |= (1<<9 | 1<<12);
  9487. if (phy->req_duplex == DUPLEX_FULL)
  9488. an_10_100_val |= (1<<6);
  9489. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9490. }
  9491. /* Only 10/100 are allowed to work in FORCE mode */
  9492. if (phy->req_line_speed == SPEED_100) {
  9493. autoneg_val |= (1<<13);
  9494. /* Enabled AUTO-MDIX when autoneg is disabled */
  9495. bnx2x_cl22_write(bp, phy,
  9496. 0x18,
  9497. (1<<15 | 1<<9 | 7<<0));
  9498. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9499. }
  9500. if (phy->req_line_speed == SPEED_10) {
  9501. /* Enabled AUTO-MDIX when autoneg is disabled */
  9502. bnx2x_cl22_write(bp, phy,
  9503. 0x18,
  9504. (1<<15 | 1<<9 | 7<<0));
  9505. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9506. }
  9507. /* Check if we should turn on Auto-GrEEEn */
  9508. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9509. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9510. if (params->feature_config_flags &
  9511. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9512. temp = 6;
  9513. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9514. } else {
  9515. temp = 0;
  9516. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9517. }
  9518. bnx2x_cl22_write(bp, phy,
  9519. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9520. bnx2x_cl22_write(bp, phy,
  9521. MDIO_REG_GPHY_CL45_DATA_REG,
  9522. MDIO_REG_GPHY_EEE_ADV);
  9523. bnx2x_cl22_write(bp, phy,
  9524. MDIO_REG_GPHY_CL45_ADDR_REG,
  9525. (0x1 << 14) | MDIO_AN_DEVAD);
  9526. bnx2x_cl22_write(bp, phy,
  9527. MDIO_REG_GPHY_CL45_DATA_REG,
  9528. temp);
  9529. }
  9530. bnx2x_cl22_write(bp, phy,
  9531. 0x04,
  9532. an_10_100_val | fc_val);
  9533. if (phy->req_duplex == DUPLEX_FULL)
  9534. autoneg_val |= (1<<8);
  9535. bnx2x_cl22_write(bp, phy,
  9536. MDIO_PMA_REG_CTRL, autoneg_val);
  9537. return 0;
  9538. }
  9539. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9540. struct link_params *params, u8 mode)
  9541. {
  9542. struct bnx2x *bp = params->bp;
  9543. u16 temp;
  9544. bnx2x_cl22_write(bp, phy,
  9545. MDIO_REG_GPHY_SHADOW,
  9546. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9547. bnx2x_cl22_read(bp, phy,
  9548. MDIO_REG_GPHY_SHADOW,
  9549. &temp);
  9550. temp &= 0xff00;
  9551. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9552. switch (mode) {
  9553. case LED_MODE_FRONT_PANEL_OFF:
  9554. case LED_MODE_OFF:
  9555. temp |= 0x00ee;
  9556. break;
  9557. case LED_MODE_OPER:
  9558. temp |= 0x0001;
  9559. break;
  9560. case LED_MODE_ON:
  9561. temp |= 0x00ff;
  9562. break;
  9563. default:
  9564. break;
  9565. }
  9566. bnx2x_cl22_write(bp, phy,
  9567. MDIO_REG_GPHY_SHADOW,
  9568. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9569. return;
  9570. }
  9571. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9572. struct link_params *params)
  9573. {
  9574. struct bnx2x *bp = params->bp;
  9575. u32 cfg_pin;
  9576. u8 port;
  9577. /* In case of no EPIO routed to reset the GPHY, put it
  9578. * in low power mode.
  9579. */
  9580. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9581. /* This works with E3 only, no need to check the chip
  9582. * before determining the port.
  9583. */
  9584. port = params->port;
  9585. cfg_pin = (REG_RD(bp, params->shmem_base +
  9586. offsetof(struct shmem_region,
  9587. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9588. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9589. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9590. /* Drive pin low to put GPHY in reset. */
  9591. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9592. }
  9593. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9594. struct link_params *params,
  9595. struct link_vars *vars)
  9596. {
  9597. struct bnx2x *bp = params->bp;
  9598. u16 val;
  9599. u8 link_up = 0;
  9600. u16 legacy_status, legacy_speed;
  9601. /* Get speed operation status */
  9602. bnx2x_cl22_read(bp, phy,
  9603. MDIO_REG_GPHY_AUX_STATUS,
  9604. &legacy_status);
  9605. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9606. /* Read status to clear the PHY interrupt. */
  9607. bnx2x_cl22_read(bp, phy,
  9608. MDIO_REG_INTR_STATUS,
  9609. &val);
  9610. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9611. if (link_up) {
  9612. legacy_speed = (legacy_status & (7<<8));
  9613. if (legacy_speed == (7<<8)) {
  9614. vars->line_speed = SPEED_1000;
  9615. vars->duplex = DUPLEX_FULL;
  9616. } else if (legacy_speed == (6<<8)) {
  9617. vars->line_speed = SPEED_1000;
  9618. vars->duplex = DUPLEX_HALF;
  9619. } else if (legacy_speed == (5<<8)) {
  9620. vars->line_speed = SPEED_100;
  9621. vars->duplex = DUPLEX_FULL;
  9622. }
  9623. /* Omitting 100Base-T4 for now */
  9624. else if (legacy_speed == (3<<8)) {
  9625. vars->line_speed = SPEED_100;
  9626. vars->duplex = DUPLEX_HALF;
  9627. } else if (legacy_speed == (2<<8)) {
  9628. vars->line_speed = SPEED_10;
  9629. vars->duplex = DUPLEX_FULL;
  9630. } else if (legacy_speed == (1<<8)) {
  9631. vars->line_speed = SPEED_10;
  9632. vars->duplex = DUPLEX_HALF;
  9633. } else /* Should not happen */
  9634. vars->line_speed = 0;
  9635. DP(NETIF_MSG_LINK,
  9636. "Link is up in %dMbps, is_duplex_full= %d\n",
  9637. vars->line_speed,
  9638. (vars->duplex == DUPLEX_FULL));
  9639. /* Check legacy speed AN resolution */
  9640. bnx2x_cl22_read(bp, phy,
  9641. 0x01,
  9642. &val);
  9643. if (val & (1<<5))
  9644. vars->link_status |=
  9645. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9646. bnx2x_cl22_read(bp, phy,
  9647. 0x06,
  9648. &val);
  9649. if ((val & (1<<0)) == 0)
  9650. vars->link_status |=
  9651. LINK_STATUS_PARALLEL_DETECTION_USED;
  9652. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9653. vars->line_speed);
  9654. /* Report whether EEE is resolved. */
  9655. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9656. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9657. if (vars->link_status &
  9658. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9659. val = 0;
  9660. else {
  9661. bnx2x_cl22_write(bp, phy,
  9662. MDIO_REG_GPHY_CL45_ADDR_REG,
  9663. MDIO_AN_DEVAD);
  9664. bnx2x_cl22_write(bp, phy,
  9665. MDIO_REG_GPHY_CL45_DATA_REG,
  9666. MDIO_REG_GPHY_EEE_RESOLVED);
  9667. bnx2x_cl22_write(bp, phy,
  9668. MDIO_REG_GPHY_CL45_ADDR_REG,
  9669. (0x1 << 14) | MDIO_AN_DEVAD);
  9670. bnx2x_cl22_read(bp, phy,
  9671. MDIO_REG_GPHY_CL45_DATA_REG,
  9672. &val);
  9673. }
  9674. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9675. }
  9676. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9677. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9678. /* Report LP advertised speeds */
  9679. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9680. if (val & (1<<5))
  9681. vars->link_status |=
  9682. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9683. if (val & (1<<6))
  9684. vars->link_status |=
  9685. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9686. if (val & (1<<7))
  9687. vars->link_status |=
  9688. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9689. if (val & (1<<8))
  9690. vars->link_status |=
  9691. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9692. if (val & (1<<9))
  9693. vars->link_status |=
  9694. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9695. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9696. if (val & (1<<10))
  9697. vars->link_status |=
  9698. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9699. if (val & (1<<11))
  9700. vars->link_status |=
  9701. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9702. }
  9703. }
  9704. return link_up;
  9705. }
  9706. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9707. struct link_params *params)
  9708. {
  9709. struct bnx2x *bp = params->bp;
  9710. u16 val;
  9711. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9712. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9713. /* Enable master/slave manual mmode and set to master */
  9714. /* mii write 9 [bits set 11 12] */
  9715. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9716. /* forced 1G and disable autoneg */
  9717. /* set val [mii read 0] */
  9718. /* set val [expr $val & [bits clear 6 12 13]] */
  9719. /* set val [expr $val | [bits set 6 8]] */
  9720. /* mii write 0 $val */
  9721. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9722. val &= ~((1<<6) | (1<<12) | (1<<13));
  9723. val |= (1<<6) | (1<<8);
  9724. bnx2x_cl22_write(bp, phy, 0x00, val);
  9725. /* Set external loopback and Tx using 6dB coding */
  9726. /* mii write 0x18 7 */
  9727. /* set val [mii read 0x18] */
  9728. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9729. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9730. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9731. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9732. /* This register opens the gate for the UMAC despite its name */
  9733. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9734. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9735. * length used by the MAC receive logic to check frames.
  9736. */
  9737. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9738. }
  9739. /******************************************************************/
  9740. /* SFX7101 PHY SECTION */
  9741. /******************************************************************/
  9742. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9743. struct link_params *params)
  9744. {
  9745. struct bnx2x *bp = params->bp;
  9746. /* SFX7101_XGXS_TEST1 */
  9747. bnx2x_cl45_write(bp, phy,
  9748. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9749. }
  9750. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9751. struct link_params *params,
  9752. struct link_vars *vars)
  9753. {
  9754. u16 fw_ver1, fw_ver2, val;
  9755. struct bnx2x *bp = params->bp;
  9756. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9757. /* Restore normal power mode*/
  9758. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9759. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9760. /* HW reset */
  9761. bnx2x_ext_phy_hw_reset(bp, params->port);
  9762. bnx2x_wait_reset_complete(bp, phy, params);
  9763. bnx2x_cl45_write(bp, phy,
  9764. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9765. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9766. bnx2x_cl45_write(bp, phy,
  9767. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9768. bnx2x_ext_phy_set_pause(params, phy, vars);
  9769. /* Restart autoneg */
  9770. bnx2x_cl45_read(bp, phy,
  9771. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9772. val |= 0x200;
  9773. bnx2x_cl45_write(bp, phy,
  9774. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9775. /* Save spirom version */
  9776. bnx2x_cl45_read(bp, phy,
  9777. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9778. bnx2x_cl45_read(bp, phy,
  9779. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9780. bnx2x_save_spirom_version(bp, params->port,
  9781. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9782. return 0;
  9783. }
  9784. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9785. struct link_params *params,
  9786. struct link_vars *vars)
  9787. {
  9788. struct bnx2x *bp = params->bp;
  9789. u8 link_up;
  9790. u16 val1, val2;
  9791. bnx2x_cl45_read(bp, phy,
  9792. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9793. bnx2x_cl45_read(bp, phy,
  9794. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9795. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9796. val2, val1);
  9797. bnx2x_cl45_read(bp, phy,
  9798. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9799. bnx2x_cl45_read(bp, phy,
  9800. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9801. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9802. val2, val1);
  9803. link_up = ((val1 & 4) == 4);
  9804. /* If link is up print the AN outcome of the SFX7101 PHY */
  9805. if (link_up) {
  9806. bnx2x_cl45_read(bp, phy,
  9807. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9808. &val2);
  9809. vars->line_speed = SPEED_10000;
  9810. vars->duplex = DUPLEX_FULL;
  9811. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9812. val2, (val2 & (1<<14)));
  9813. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9814. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9815. /* Read LP advertised speeds */
  9816. if (val2 & (1<<11))
  9817. vars->link_status |=
  9818. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9819. }
  9820. return link_up;
  9821. }
  9822. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9823. {
  9824. if (*len < 5)
  9825. return -EINVAL;
  9826. str[0] = (spirom_ver & 0xFF);
  9827. str[1] = (spirom_ver & 0xFF00) >> 8;
  9828. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9829. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9830. str[4] = '\0';
  9831. *len -= 5;
  9832. return 0;
  9833. }
  9834. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9835. {
  9836. u16 val, cnt;
  9837. bnx2x_cl45_read(bp, phy,
  9838. MDIO_PMA_DEVAD,
  9839. MDIO_PMA_REG_7101_RESET, &val);
  9840. for (cnt = 0; cnt < 10; cnt++) {
  9841. msleep(50);
  9842. /* Writes a self-clearing reset */
  9843. bnx2x_cl45_write(bp, phy,
  9844. MDIO_PMA_DEVAD,
  9845. MDIO_PMA_REG_7101_RESET,
  9846. (val | (1<<15)));
  9847. /* Wait for clear */
  9848. bnx2x_cl45_read(bp, phy,
  9849. MDIO_PMA_DEVAD,
  9850. MDIO_PMA_REG_7101_RESET, &val);
  9851. if ((val & (1<<15)) == 0)
  9852. break;
  9853. }
  9854. }
  9855. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9856. struct link_params *params) {
  9857. /* Low power mode is controlled by GPIO 2 */
  9858. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9859. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9860. /* The PHY reset is controlled by GPIO 1 */
  9861. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9862. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9863. }
  9864. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9865. struct link_params *params, u8 mode)
  9866. {
  9867. u16 val = 0;
  9868. struct bnx2x *bp = params->bp;
  9869. switch (mode) {
  9870. case LED_MODE_FRONT_PANEL_OFF:
  9871. case LED_MODE_OFF:
  9872. val = 2;
  9873. break;
  9874. case LED_MODE_ON:
  9875. val = 1;
  9876. break;
  9877. case LED_MODE_OPER:
  9878. val = 0;
  9879. break;
  9880. }
  9881. bnx2x_cl45_write(bp, phy,
  9882. MDIO_PMA_DEVAD,
  9883. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9884. val);
  9885. }
  9886. /******************************************************************/
  9887. /* STATIC PHY DECLARATION */
  9888. /******************************************************************/
  9889. static struct bnx2x_phy phy_null = {
  9890. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9891. .addr = 0,
  9892. .def_md_devad = 0,
  9893. .flags = FLAGS_INIT_XGXS_FIRST,
  9894. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9895. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9896. .mdio_ctrl = 0,
  9897. .supported = 0,
  9898. .media_type = ETH_PHY_NOT_PRESENT,
  9899. .ver_addr = 0,
  9900. .req_flow_ctrl = 0,
  9901. .req_line_speed = 0,
  9902. .speed_cap_mask = 0,
  9903. .req_duplex = 0,
  9904. .rsrv = 0,
  9905. .config_init = (config_init_t)NULL,
  9906. .read_status = (read_status_t)NULL,
  9907. .link_reset = (link_reset_t)NULL,
  9908. .config_loopback = (config_loopback_t)NULL,
  9909. .format_fw_ver = (format_fw_ver_t)NULL,
  9910. .hw_reset = (hw_reset_t)NULL,
  9911. .set_link_led = (set_link_led_t)NULL,
  9912. .phy_specific_func = (phy_specific_func_t)NULL
  9913. };
  9914. static struct bnx2x_phy phy_serdes = {
  9915. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9916. .addr = 0xff,
  9917. .def_md_devad = 0,
  9918. .flags = 0,
  9919. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9920. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9921. .mdio_ctrl = 0,
  9922. .supported = (SUPPORTED_10baseT_Half |
  9923. SUPPORTED_10baseT_Full |
  9924. SUPPORTED_100baseT_Half |
  9925. SUPPORTED_100baseT_Full |
  9926. SUPPORTED_1000baseT_Full |
  9927. SUPPORTED_2500baseX_Full |
  9928. SUPPORTED_TP |
  9929. SUPPORTED_Autoneg |
  9930. SUPPORTED_Pause |
  9931. SUPPORTED_Asym_Pause),
  9932. .media_type = ETH_PHY_BASE_T,
  9933. .ver_addr = 0,
  9934. .req_flow_ctrl = 0,
  9935. .req_line_speed = 0,
  9936. .speed_cap_mask = 0,
  9937. .req_duplex = 0,
  9938. .rsrv = 0,
  9939. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9940. .read_status = (read_status_t)bnx2x_link_settings_status,
  9941. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9942. .config_loopback = (config_loopback_t)NULL,
  9943. .format_fw_ver = (format_fw_ver_t)NULL,
  9944. .hw_reset = (hw_reset_t)NULL,
  9945. .set_link_led = (set_link_led_t)NULL,
  9946. .phy_specific_func = (phy_specific_func_t)NULL
  9947. };
  9948. static struct bnx2x_phy phy_xgxs = {
  9949. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9950. .addr = 0xff,
  9951. .def_md_devad = 0,
  9952. .flags = 0,
  9953. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9954. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9955. .mdio_ctrl = 0,
  9956. .supported = (SUPPORTED_10baseT_Half |
  9957. SUPPORTED_10baseT_Full |
  9958. SUPPORTED_100baseT_Half |
  9959. SUPPORTED_100baseT_Full |
  9960. SUPPORTED_1000baseT_Full |
  9961. SUPPORTED_2500baseX_Full |
  9962. SUPPORTED_10000baseT_Full |
  9963. SUPPORTED_FIBRE |
  9964. SUPPORTED_Autoneg |
  9965. SUPPORTED_Pause |
  9966. SUPPORTED_Asym_Pause),
  9967. .media_type = ETH_PHY_CX4,
  9968. .ver_addr = 0,
  9969. .req_flow_ctrl = 0,
  9970. .req_line_speed = 0,
  9971. .speed_cap_mask = 0,
  9972. .req_duplex = 0,
  9973. .rsrv = 0,
  9974. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9975. .read_status = (read_status_t)bnx2x_link_settings_status,
  9976. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9977. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9978. .format_fw_ver = (format_fw_ver_t)NULL,
  9979. .hw_reset = (hw_reset_t)NULL,
  9980. .set_link_led = (set_link_led_t)NULL,
  9981. .phy_specific_func = (phy_specific_func_t)NULL
  9982. };
  9983. static struct bnx2x_phy phy_warpcore = {
  9984. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9985. .addr = 0xff,
  9986. .def_md_devad = 0,
  9987. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9988. FLAGS_TX_ERROR_CHECK),
  9989. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9990. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9991. .mdio_ctrl = 0,
  9992. .supported = (SUPPORTED_10baseT_Half |
  9993. SUPPORTED_10baseT_Full |
  9994. SUPPORTED_100baseT_Half |
  9995. SUPPORTED_100baseT_Full |
  9996. SUPPORTED_1000baseT_Full |
  9997. SUPPORTED_10000baseT_Full |
  9998. SUPPORTED_20000baseKR2_Full |
  9999. SUPPORTED_20000baseMLD2_Full |
  10000. SUPPORTED_FIBRE |
  10001. SUPPORTED_Autoneg |
  10002. SUPPORTED_Pause |
  10003. SUPPORTED_Asym_Pause),
  10004. .media_type = ETH_PHY_UNSPECIFIED,
  10005. .ver_addr = 0,
  10006. .req_flow_ctrl = 0,
  10007. .req_line_speed = 0,
  10008. .speed_cap_mask = 0,
  10009. /* req_duplex = */0,
  10010. /* rsrv = */0,
  10011. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10012. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10013. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10014. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10015. .format_fw_ver = (format_fw_ver_t)NULL,
  10016. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10017. .set_link_led = (set_link_led_t)NULL,
  10018. .phy_specific_func = (phy_specific_func_t)NULL
  10019. };
  10020. static struct bnx2x_phy phy_7101 = {
  10021. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10022. .addr = 0xff,
  10023. .def_md_devad = 0,
  10024. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10025. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10026. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10027. .mdio_ctrl = 0,
  10028. .supported = (SUPPORTED_10000baseT_Full |
  10029. SUPPORTED_TP |
  10030. SUPPORTED_Autoneg |
  10031. SUPPORTED_Pause |
  10032. SUPPORTED_Asym_Pause),
  10033. .media_type = ETH_PHY_BASE_T,
  10034. .ver_addr = 0,
  10035. .req_flow_ctrl = 0,
  10036. .req_line_speed = 0,
  10037. .speed_cap_mask = 0,
  10038. .req_duplex = 0,
  10039. .rsrv = 0,
  10040. .config_init = (config_init_t)bnx2x_7101_config_init,
  10041. .read_status = (read_status_t)bnx2x_7101_read_status,
  10042. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10043. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10044. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10045. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10046. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10047. .phy_specific_func = (phy_specific_func_t)NULL
  10048. };
  10049. static struct bnx2x_phy phy_8073 = {
  10050. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10051. .addr = 0xff,
  10052. .def_md_devad = 0,
  10053. .flags = FLAGS_HW_LOCK_REQUIRED,
  10054. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10055. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10056. .mdio_ctrl = 0,
  10057. .supported = (SUPPORTED_10000baseT_Full |
  10058. SUPPORTED_2500baseX_Full |
  10059. SUPPORTED_1000baseT_Full |
  10060. SUPPORTED_FIBRE |
  10061. SUPPORTED_Autoneg |
  10062. SUPPORTED_Pause |
  10063. SUPPORTED_Asym_Pause),
  10064. .media_type = ETH_PHY_KR,
  10065. .ver_addr = 0,
  10066. .req_flow_ctrl = 0,
  10067. .req_line_speed = 0,
  10068. .speed_cap_mask = 0,
  10069. .req_duplex = 0,
  10070. .rsrv = 0,
  10071. .config_init = (config_init_t)bnx2x_8073_config_init,
  10072. .read_status = (read_status_t)bnx2x_8073_read_status,
  10073. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10074. .config_loopback = (config_loopback_t)NULL,
  10075. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10076. .hw_reset = (hw_reset_t)NULL,
  10077. .set_link_led = (set_link_led_t)NULL,
  10078. .phy_specific_func = (phy_specific_func_t)NULL
  10079. };
  10080. static struct bnx2x_phy phy_8705 = {
  10081. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10082. .addr = 0xff,
  10083. .def_md_devad = 0,
  10084. .flags = FLAGS_INIT_XGXS_FIRST,
  10085. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10086. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10087. .mdio_ctrl = 0,
  10088. .supported = (SUPPORTED_10000baseT_Full |
  10089. SUPPORTED_FIBRE |
  10090. SUPPORTED_Pause |
  10091. SUPPORTED_Asym_Pause),
  10092. .media_type = ETH_PHY_XFP_FIBER,
  10093. .ver_addr = 0,
  10094. .req_flow_ctrl = 0,
  10095. .req_line_speed = 0,
  10096. .speed_cap_mask = 0,
  10097. .req_duplex = 0,
  10098. .rsrv = 0,
  10099. .config_init = (config_init_t)bnx2x_8705_config_init,
  10100. .read_status = (read_status_t)bnx2x_8705_read_status,
  10101. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10102. .config_loopback = (config_loopback_t)NULL,
  10103. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10104. .hw_reset = (hw_reset_t)NULL,
  10105. .set_link_led = (set_link_led_t)NULL,
  10106. .phy_specific_func = (phy_specific_func_t)NULL
  10107. };
  10108. static struct bnx2x_phy phy_8706 = {
  10109. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10110. .addr = 0xff,
  10111. .def_md_devad = 0,
  10112. .flags = FLAGS_INIT_XGXS_FIRST,
  10113. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10114. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10115. .mdio_ctrl = 0,
  10116. .supported = (SUPPORTED_10000baseT_Full |
  10117. SUPPORTED_1000baseT_Full |
  10118. SUPPORTED_FIBRE |
  10119. SUPPORTED_Pause |
  10120. SUPPORTED_Asym_Pause),
  10121. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10122. .ver_addr = 0,
  10123. .req_flow_ctrl = 0,
  10124. .req_line_speed = 0,
  10125. .speed_cap_mask = 0,
  10126. .req_duplex = 0,
  10127. .rsrv = 0,
  10128. .config_init = (config_init_t)bnx2x_8706_config_init,
  10129. .read_status = (read_status_t)bnx2x_8706_read_status,
  10130. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10131. .config_loopback = (config_loopback_t)NULL,
  10132. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10133. .hw_reset = (hw_reset_t)NULL,
  10134. .set_link_led = (set_link_led_t)NULL,
  10135. .phy_specific_func = (phy_specific_func_t)NULL
  10136. };
  10137. static struct bnx2x_phy phy_8726 = {
  10138. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10139. .addr = 0xff,
  10140. .def_md_devad = 0,
  10141. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10142. FLAGS_INIT_XGXS_FIRST |
  10143. FLAGS_TX_ERROR_CHECK),
  10144. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10145. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10146. .mdio_ctrl = 0,
  10147. .supported = (SUPPORTED_10000baseT_Full |
  10148. SUPPORTED_1000baseT_Full |
  10149. SUPPORTED_Autoneg |
  10150. SUPPORTED_FIBRE |
  10151. SUPPORTED_Pause |
  10152. SUPPORTED_Asym_Pause),
  10153. .media_type = ETH_PHY_NOT_PRESENT,
  10154. .ver_addr = 0,
  10155. .req_flow_ctrl = 0,
  10156. .req_line_speed = 0,
  10157. .speed_cap_mask = 0,
  10158. .req_duplex = 0,
  10159. .rsrv = 0,
  10160. .config_init = (config_init_t)bnx2x_8726_config_init,
  10161. .read_status = (read_status_t)bnx2x_8726_read_status,
  10162. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10163. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10164. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10165. .hw_reset = (hw_reset_t)NULL,
  10166. .set_link_led = (set_link_led_t)NULL,
  10167. .phy_specific_func = (phy_specific_func_t)NULL
  10168. };
  10169. static struct bnx2x_phy phy_8727 = {
  10170. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10171. .addr = 0xff,
  10172. .def_md_devad = 0,
  10173. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10174. FLAGS_TX_ERROR_CHECK),
  10175. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10176. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10177. .mdio_ctrl = 0,
  10178. .supported = (SUPPORTED_10000baseT_Full |
  10179. SUPPORTED_1000baseT_Full |
  10180. SUPPORTED_FIBRE |
  10181. SUPPORTED_Pause |
  10182. SUPPORTED_Asym_Pause),
  10183. .media_type = ETH_PHY_NOT_PRESENT,
  10184. .ver_addr = 0,
  10185. .req_flow_ctrl = 0,
  10186. .req_line_speed = 0,
  10187. .speed_cap_mask = 0,
  10188. .req_duplex = 0,
  10189. .rsrv = 0,
  10190. .config_init = (config_init_t)bnx2x_8727_config_init,
  10191. .read_status = (read_status_t)bnx2x_8727_read_status,
  10192. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10193. .config_loopback = (config_loopback_t)NULL,
  10194. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10195. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10196. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10197. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10198. };
  10199. static struct bnx2x_phy phy_8481 = {
  10200. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10201. .addr = 0xff,
  10202. .def_md_devad = 0,
  10203. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10204. FLAGS_REARM_LATCH_SIGNAL,
  10205. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10206. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10207. .mdio_ctrl = 0,
  10208. .supported = (SUPPORTED_10baseT_Half |
  10209. SUPPORTED_10baseT_Full |
  10210. SUPPORTED_100baseT_Half |
  10211. SUPPORTED_100baseT_Full |
  10212. SUPPORTED_1000baseT_Full |
  10213. SUPPORTED_10000baseT_Full |
  10214. SUPPORTED_TP |
  10215. SUPPORTED_Autoneg |
  10216. SUPPORTED_Pause |
  10217. SUPPORTED_Asym_Pause),
  10218. .media_type = ETH_PHY_BASE_T,
  10219. .ver_addr = 0,
  10220. .req_flow_ctrl = 0,
  10221. .req_line_speed = 0,
  10222. .speed_cap_mask = 0,
  10223. .req_duplex = 0,
  10224. .rsrv = 0,
  10225. .config_init = (config_init_t)bnx2x_8481_config_init,
  10226. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10227. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10228. .config_loopback = (config_loopback_t)NULL,
  10229. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10230. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10231. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10232. .phy_specific_func = (phy_specific_func_t)NULL
  10233. };
  10234. static struct bnx2x_phy phy_84823 = {
  10235. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10236. .addr = 0xff,
  10237. .def_md_devad = 0,
  10238. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10239. FLAGS_REARM_LATCH_SIGNAL |
  10240. FLAGS_TX_ERROR_CHECK),
  10241. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10242. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10243. .mdio_ctrl = 0,
  10244. .supported = (SUPPORTED_10baseT_Half |
  10245. SUPPORTED_10baseT_Full |
  10246. SUPPORTED_100baseT_Half |
  10247. SUPPORTED_100baseT_Full |
  10248. SUPPORTED_1000baseT_Full |
  10249. SUPPORTED_10000baseT_Full |
  10250. SUPPORTED_TP |
  10251. SUPPORTED_Autoneg |
  10252. SUPPORTED_Pause |
  10253. SUPPORTED_Asym_Pause),
  10254. .media_type = ETH_PHY_BASE_T,
  10255. .ver_addr = 0,
  10256. .req_flow_ctrl = 0,
  10257. .req_line_speed = 0,
  10258. .speed_cap_mask = 0,
  10259. .req_duplex = 0,
  10260. .rsrv = 0,
  10261. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10262. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10263. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10264. .config_loopback = (config_loopback_t)NULL,
  10265. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10266. .hw_reset = (hw_reset_t)NULL,
  10267. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10268. .phy_specific_func = (phy_specific_func_t)NULL
  10269. };
  10270. static struct bnx2x_phy phy_84833 = {
  10271. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10272. .addr = 0xff,
  10273. .def_md_devad = 0,
  10274. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10275. FLAGS_REARM_LATCH_SIGNAL |
  10276. FLAGS_TX_ERROR_CHECK |
  10277. FLAGS_EEE_10GBT),
  10278. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10279. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10280. .mdio_ctrl = 0,
  10281. .supported = (SUPPORTED_100baseT_Half |
  10282. SUPPORTED_100baseT_Full |
  10283. SUPPORTED_1000baseT_Full |
  10284. SUPPORTED_10000baseT_Full |
  10285. SUPPORTED_TP |
  10286. SUPPORTED_Autoneg |
  10287. SUPPORTED_Pause |
  10288. SUPPORTED_Asym_Pause),
  10289. .media_type = ETH_PHY_BASE_T,
  10290. .ver_addr = 0,
  10291. .req_flow_ctrl = 0,
  10292. .req_line_speed = 0,
  10293. .speed_cap_mask = 0,
  10294. .req_duplex = 0,
  10295. .rsrv = 0,
  10296. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10297. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10298. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10299. .config_loopback = (config_loopback_t)NULL,
  10300. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10301. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10302. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10303. .phy_specific_func = (phy_specific_func_t)NULL
  10304. };
  10305. static struct bnx2x_phy phy_54618se = {
  10306. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10307. .addr = 0xff,
  10308. .def_md_devad = 0,
  10309. .flags = FLAGS_INIT_XGXS_FIRST,
  10310. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10311. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10312. .mdio_ctrl = 0,
  10313. .supported = (SUPPORTED_10baseT_Half |
  10314. SUPPORTED_10baseT_Full |
  10315. SUPPORTED_100baseT_Half |
  10316. SUPPORTED_100baseT_Full |
  10317. SUPPORTED_1000baseT_Full |
  10318. SUPPORTED_TP |
  10319. SUPPORTED_Autoneg |
  10320. SUPPORTED_Pause |
  10321. SUPPORTED_Asym_Pause),
  10322. .media_type = ETH_PHY_BASE_T,
  10323. .ver_addr = 0,
  10324. .req_flow_ctrl = 0,
  10325. .req_line_speed = 0,
  10326. .speed_cap_mask = 0,
  10327. /* req_duplex = */0,
  10328. /* rsrv = */0,
  10329. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10330. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10331. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10332. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10333. .format_fw_ver = (format_fw_ver_t)NULL,
  10334. .hw_reset = (hw_reset_t)NULL,
  10335. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10336. .phy_specific_func = (phy_specific_func_t)NULL
  10337. };
  10338. /*****************************************************************/
  10339. /* */
  10340. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10341. /* */
  10342. /*****************************************************************/
  10343. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10344. struct bnx2x_phy *phy, u8 port,
  10345. u8 phy_index)
  10346. {
  10347. /* Get the 4 lanes xgxs config rx and tx */
  10348. u32 rx = 0, tx = 0, i;
  10349. for (i = 0; i < 2; i++) {
  10350. /* INT_PHY and EXT_PHY1 share the same value location in
  10351. * the shmem. When num_phys is greater than 1, than this value
  10352. * applies only to EXT_PHY1
  10353. */
  10354. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10355. rx = REG_RD(bp, shmem_base +
  10356. offsetof(struct shmem_region,
  10357. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10358. tx = REG_RD(bp, shmem_base +
  10359. offsetof(struct shmem_region,
  10360. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10361. } else {
  10362. rx = REG_RD(bp, shmem_base +
  10363. offsetof(struct shmem_region,
  10364. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10365. tx = REG_RD(bp, shmem_base +
  10366. offsetof(struct shmem_region,
  10367. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10368. }
  10369. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10370. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10371. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10372. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10373. }
  10374. }
  10375. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10376. u8 phy_index, u8 port)
  10377. {
  10378. u32 ext_phy_config = 0;
  10379. switch (phy_index) {
  10380. case EXT_PHY1:
  10381. ext_phy_config = REG_RD(bp, shmem_base +
  10382. offsetof(struct shmem_region,
  10383. dev_info.port_hw_config[port].external_phy_config));
  10384. break;
  10385. case EXT_PHY2:
  10386. ext_phy_config = REG_RD(bp, shmem_base +
  10387. offsetof(struct shmem_region,
  10388. dev_info.port_hw_config[port].external_phy_config2));
  10389. break;
  10390. default:
  10391. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10392. return -EINVAL;
  10393. }
  10394. return ext_phy_config;
  10395. }
  10396. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10397. struct bnx2x_phy *phy)
  10398. {
  10399. u32 phy_addr;
  10400. u32 chip_id;
  10401. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10402. offsetof(struct shmem_region,
  10403. dev_info.port_feature_config[port].link_config)) &
  10404. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10405. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10406. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10407. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10408. if (USES_WARPCORE(bp)) {
  10409. u32 serdes_net_if;
  10410. phy_addr = REG_RD(bp,
  10411. MISC_REG_WC0_CTRL_PHY_ADDR);
  10412. *phy = phy_warpcore;
  10413. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10414. phy->flags |= FLAGS_4_PORT_MODE;
  10415. else
  10416. phy->flags &= ~FLAGS_4_PORT_MODE;
  10417. /* Check Dual mode */
  10418. serdes_net_if = (REG_RD(bp, shmem_base +
  10419. offsetof(struct shmem_region, dev_info.
  10420. port_hw_config[port].default_cfg)) &
  10421. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10422. /* Set the appropriate supported and flags indications per
  10423. * interface type of the chip
  10424. */
  10425. switch (serdes_net_if) {
  10426. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10427. phy->supported &= (SUPPORTED_10baseT_Half |
  10428. SUPPORTED_10baseT_Full |
  10429. SUPPORTED_100baseT_Half |
  10430. SUPPORTED_100baseT_Full |
  10431. SUPPORTED_1000baseT_Full |
  10432. SUPPORTED_FIBRE |
  10433. SUPPORTED_Autoneg |
  10434. SUPPORTED_Pause |
  10435. SUPPORTED_Asym_Pause);
  10436. phy->media_type = ETH_PHY_BASE_T;
  10437. break;
  10438. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10439. phy->media_type = ETH_PHY_XFP_FIBER;
  10440. break;
  10441. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10442. phy->supported &= (SUPPORTED_1000baseT_Full |
  10443. SUPPORTED_10000baseT_Full |
  10444. SUPPORTED_FIBRE |
  10445. SUPPORTED_Pause |
  10446. SUPPORTED_Asym_Pause);
  10447. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10448. break;
  10449. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10450. phy->media_type = ETH_PHY_KR;
  10451. phy->supported &= (SUPPORTED_1000baseT_Full |
  10452. SUPPORTED_10000baseT_Full |
  10453. SUPPORTED_FIBRE |
  10454. SUPPORTED_Autoneg |
  10455. SUPPORTED_Pause |
  10456. SUPPORTED_Asym_Pause);
  10457. break;
  10458. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10459. phy->media_type = ETH_PHY_KR;
  10460. phy->flags |= FLAGS_WC_DUAL_MODE;
  10461. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10462. SUPPORTED_FIBRE |
  10463. SUPPORTED_Pause |
  10464. SUPPORTED_Asym_Pause);
  10465. break;
  10466. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10467. phy->media_type = ETH_PHY_KR;
  10468. phy->flags |= FLAGS_WC_DUAL_MODE;
  10469. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10470. SUPPORTED_FIBRE |
  10471. SUPPORTED_Pause |
  10472. SUPPORTED_Asym_Pause);
  10473. break;
  10474. default:
  10475. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10476. serdes_net_if);
  10477. break;
  10478. }
  10479. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10480. * was not set as expected. For B0, ECO will be enabled so there
  10481. * won't be an issue there
  10482. */
  10483. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10484. phy->flags |= FLAGS_MDC_MDIO_WA;
  10485. else
  10486. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10487. } else {
  10488. switch (switch_cfg) {
  10489. case SWITCH_CFG_1G:
  10490. phy_addr = REG_RD(bp,
  10491. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10492. port * 0x10);
  10493. *phy = phy_serdes;
  10494. break;
  10495. case SWITCH_CFG_10G:
  10496. phy_addr = REG_RD(bp,
  10497. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10498. port * 0x18);
  10499. *phy = phy_xgxs;
  10500. break;
  10501. default:
  10502. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10503. return -EINVAL;
  10504. }
  10505. }
  10506. phy->addr = (u8)phy_addr;
  10507. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10508. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10509. port);
  10510. if (CHIP_IS_E2(bp))
  10511. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10512. else
  10513. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10514. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10515. port, phy->addr, phy->mdio_ctrl);
  10516. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10517. return 0;
  10518. }
  10519. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10520. u8 phy_index,
  10521. u32 shmem_base,
  10522. u32 shmem2_base,
  10523. u8 port,
  10524. struct bnx2x_phy *phy)
  10525. {
  10526. u32 ext_phy_config, phy_type, config2;
  10527. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10528. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10529. phy_index, port);
  10530. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10531. /* Select the phy type */
  10532. switch (phy_type) {
  10533. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10534. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10535. *phy = phy_8073;
  10536. break;
  10537. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10538. *phy = phy_8705;
  10539. break;
  10540. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10541. *phy = phy_8706;
  10542. break;
  10543. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10544. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10545. *phy = phy_8726;
  10546. break;
  10547. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10548. /* BCM8727_NOC => BCM8727 no over current */
  10549. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10550. *phy = phy_8727;
  10551. phy->flags |= FLAGS_NOC;
  10552. break;
  10553. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10554. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10555. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10556. *phy = phy_8727;
  10557. break;
  10558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10559. *phy = phy_8481;
  10560. break;
  10561. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10562. *phy = phy_84823;
  10563. break;
  10564. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10565. *phy = phy_84833;
  10566. break;
  10567. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10568. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10569. *phy = phy_54618se;
  10570. break;
  10571. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10572. *phy = phy_7101;
  10573. break;
  10574. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10575. *phy = phy_null;
  10576. return -EINVAL;
  10577. default:
  10578. *phy = phy_null;
  10579. /* In case external PHY wasn't found */
  10580. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10581. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10582. return -EINVAL;
  10583. return 0;
  10584. }
  10585. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10586. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10587. /* The shmem address of the phy version is located on different
  10588. * structures. In case this structure is too old, do not set
  10589. * the address
  10590. */
  10591. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10592. dev_info.shared_hw_config.config2));
  10593. if (phy_index == EXT_PHY1) {
  10594. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10595. port_mb[port].ext_phy_fw_version);
  10596. /* Check specific mdc mdio settings */
  10597. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10598. mdc_mdio_access = config2 &
  10599. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10600. } else {
  10601. u32 size = REG_RD(bp, shmem2_base);
  10602. if (size >
  10603. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10604. phy->ver_addr = shmem2_base +
  10605. offsetof(struct shmem2_region,
  10606. ext_phy_fw_version2[port]);
  10607. }
  10608. /* Check specific mdc mdio settings */
  10609. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10610. mdc_mdio_access = (config2 &
  10611. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10612. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10613. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10614. }
  10615. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10616. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10617. (phy->ver_addr)) {
  10618. /* Remove 100Mb link supported for BCM84833 when phy fw
  10619. * version lower than or equal to 1.39
  10620. */
  10621. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10622. if (((raw_ver & 0x7F) <= 39) &&
  10623. (((raw_ver & 0xF80) >> 7) <= 1))
  10624. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10625. SUPPORTED_100baseT_Full);
  10626. }
  10627. /* In case mdc/mdio_access of the external phy is different than the
  10628. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10629. * to prevent one port interfere with another port's CL45 operations.
  10630. */
  10631. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10632. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10633. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10634. phy_type, port, phy_index);
  10635. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10636. phy->addr, phy->mdio_ctrl);
  10637. return 0;
  10638. }
  10639. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10640. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10641. {
  10642. int status = 0;
  10643. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10644. if (phy_index == INT_PHY)
  10645. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10646. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10647. port, phy);
  10648. return status;
  10649. }
  10650. static void bnx2x_phy_def_cfg(struct link_params *params,
  10651. struct bnx2x_phy *phy,
  10652. u8 phy_index)
  10653. {
  10654. struct bnx2x *bp = params->bp;
  10655. u32 link_config;
  10656. /* Populate the default phy configuration for MF mode */
  10657. if (phy_index == EXT_PHY2) {
  10658. link_config = REG_RD(bp, params->shmem_base +
  10659. offsetof(struct shmem_region, dev_info.
  10660. port_feature_config[params->port].link_config2));
  10661. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10662. offsetof(struct shmem_region,
  10663. dev_info.
  10664. port_hw_config[params->port].speed_capability_mask2));
  10665. } else {
  10666. link_config = REG_RD(bp, params->shmem_base +
  10667. offsetof(struct shmem_region, dev_info.
  10668. port_feature_config[params->port].link_config));
  10669. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10670. offsetof(struct shmem_region,
  10671. dev_info.
  10672. port_hw_config[params->port].speed_capability_mask));
  10673. }
  10674. DP(NETIF_MSG_LINK,
  10675. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10676. phy_index, link_config, phy->speed_cap_mask);
  10677. phy->req_duplex = DUPLEX_FULL;
  10678. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10679. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10680. phy->req_duplex = DUPLEX_HALF;
  10681. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10682. phy->req_line_speed = SPEED_10;
  10683. break;
  10684. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10685. phy->req_duplex = DUPLEX_HALF;
  10686. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10687. phy->req_line_speed = SPEED_100;
  10688. break;
  10689. case PORT_FEATURE_LINK_SPEED_1G:
  10690. phy->req_line_speed = SPEED_1000;
  10691. break;
  10692. case PORT_FEATURE_LINK_SPEED_2_5G:
  10693. phy->req_line_speed = SPEED_2500;
  10694. break;
  10695. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10696. phy->req_line_speed = SPEED_10000;
  10697. break;
  10698. default:
  10699. phy->req_line_speed = SPEED_AUTO_NEG;
  10700. break;
  10701. }
  10702. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10703. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10704. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10705. break;
  10706. case PORT_FEATURE_FLOW_CONTROL_TX:
  10707. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10708. break;
  10709. case PORT_FEATURE_FLOW_CONTROL_RX:
  10710. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10711. break;
  10712. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10713. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10714. break;
  10715. default:
  10716. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10717. break;
  10718. }
  10719. }
  10720. u32 bnx2x_phy_selection(struct link_params *params)
  10721. {
  10722. u32 phy_config_swapped, prio_cfg;
  10723. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10724. phy_config_swapped = params->multi_phy_config &
  10725. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10726. prio_cfg = params->multi_phy_config &
  10727. PORT_HW_CFG_PHY_SELECTION_MASK;
  10728. if (phy_config_swapped) {
  10729. switch (prio_cfg) {
  10730. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10731. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10732. break;
  10733. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10734. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10735. break;
  10736. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10737. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10738. break;
  10739. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10740. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10741. break;
  10742. }
  10743. } else
  10744. return_cfg = prio_cfg;
  10745. return return_cfg;
  10746. }
  10747. int bnx2x_phy_probe(struct link_params *params)
  10748. {
  10749. u8 phy_index, actual_phy_idx;
  10750. u32 phy_config_swapped, sync_offset, media_types;
  10751. struct bnx2x *bp = params->bp;
  10752. struct bnx2x_phy *phy;
  10753. params->num_phys = 0;
  10754. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10755. phy_config_swapped = params->multi_phy_config &
  10756. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10757. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10758. phy_index++) {
  10759. actual_phy_idx = phy_index;
  10760. if (phy_config_swapped) {
  10761. if (phy_index == EXT_PHY1)
  10762. actual_phy_idx = EXT_PHY2;
  10763. else if (phy_index == EXT_PHY2)
  10764. actual_phy_idx = EXT_PHY1;
  10765. }
  10766. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10767. " actual_phy_idx %x\n", phy_config_swapped,
  10768. phy_index, actual_phy_idx);
  10769. phy = &params->phy[actual_phy_idx];
  10770. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10771. params->shmem2_base, params->port,
  10772. phy) != 0) {
  10773. params->num_phys = 0;
  10774. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10775. phy_index);
  10776. for (phy_index = INT_PHY;
  10777. phy_index < MAX_PHYS;
  10778. phy_index++)
  10779. *phy = phy_null;
  10780. return -EINVAL;
  10781. }
  10782. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10783. break;
  10784. if (params->feature_config_flags &
  10785. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10786. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10787. sync_offset = params->shmem_base +
  10788. offsetof(struct shmem_region,
  10789. dev_info.port_hw_config[params->port].media_type);
  10790. media_types = REG_RD(bp, sync_offset);
  10791. /* Update media type for non-PMF sync only for the first time
  10792. * In case the media type changes afterwards, it will be updated
  10793. * using the update_status function
  10794. */
  10795. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10796. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10797. actual_phy_idx))) == 0) {
  10798. media_types |= ((phy->media_type &
  10799. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10800. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10801. actual_phy_idx));
  10802. }
  10803. REG_WR(bp, sync_offset, media_types);
  10804. bnx2x_phy_def_cfg(params, phy, phy_index);
  10805. params->num_phys++;
  10806. }
  10807. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10808. return 0;
  10809. }
  10810. void bnx2x_init_bmac_loopback(struct link_params *params,
  10811. struct link_vars *vars)
  10812. {
  10813. struct bnx2x *bp = params->bp;
  10814. vars->link_up = 1;
  10815. vars->line_speed = SPEED_10000;
  10816. vars->duplex = DUPLEX_FULL;
  10817. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10818. vars->mac_type = MAC_TYPE_BMAC;
  10819. vars->phy_flags = PHY_XGXS_FLAG;
  10820. bnx2x_xgxs_deassert(params);
  10821. /* set bmac loopback */
  10822. bnx2x_bmac_enable(params, vars, 1);
  10823. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10824. }
  10825. void bnx2x_init_emac_loopback(struct link_params *params,
  10826. struct link_vars *vars)
  10827. {
  10828. struct bnx2x *bp = params->bp;
  10829. vars->link_up = 1;
  10830. vars->line_speed = SPEED_1000;
  10831. vars->duplex = DUPLEX_FULL;
  10832. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10833. vars->mac_type = MAC_TYPE_EMAC;
  10834. vars->phy_flags = PHY_XGXS_FLAG;
  10835. bnx2x_xgxs_deassert(params);
  10836. /* set bmac loopback */
  10837. bnx2x_emac_enable(params, vars, 1);
  10838. bnx2x_emac_program(params, vars);
  10839. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10840. }
  10841. void bnx2x_init_xmac_loopback(struct link_params *params,
  10842. struct link_vars *vars)
  10843. {
  10844. struct bnx2x *bp = params->bp;
  10845. vars->link_up = 1;
  10846. if (!params->req_line_speed[0])
  10847. vars->line_speed = SPEED_10000;
  10848. else
  10849. vars->line_speed = params->req_line_speed[0];
  10850. vars->duplex = DUPLEX_FULL;
  10851. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10852. vars->mac_type = MAC_TYPE_XMAC;
  10853. vars->phy_flags = PHY_XGXS_FLAG;
  10854. /* Set WC to loopback mode since link is required to provide clock
  10855. * to the XMAC in 20G mode
  10856. */
  10857. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10858. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10859. params->phy[INT_PHY].config_loopback(
  10860. &params->phy[INT_PHY],
  10861. params);
  10862. bnx2x_xmac_enable(params, vars, 1);
  10863. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10864. }
  10865. void bnx2x_init_umac_loopback(struct link_params *params,
  10866. struct link_vars *vars)
  10867. {
  10868. struct bnx2x *bp = params->bp;
  10869. vars->link_up = 1;
  10870. vars->line_speed = SPEED_1000;
  10871. vars->duplex = DUPLEX_FULL;
  10872. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10873. vars->mac_type = MAC_TYPE_UMAC;
  10874. vars->phy_flags = PHY_XGXS_FLAG;
  10875. bnx2x_umac_enable(params, vars, 1);
  10876. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10877. }
  10878. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10879. struct link_vars *vars)
  10880. {
  10881. struct bnx2x *bp = params->bp;
  10882. vars->link_up = 1;
  10883. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10884. vars->duplex = DUPLEX_FULL;
  10885. if (params->req_line_speed[0] == SPEED_1000)
  10886. vars->line_speed = SPEED_1000;
  10887. else
  10888. vars->line_speed = SPEED_10000;
  10889. if (!USES_WARPCORE(bp))
  10890. bnx2x_xgxs_deassert(params);
  10891. bnx2x_link_initialize(params, vars);
  10892. if (params->req_line_speed[0] == SPEED_1000) {
  10893. if (USES_WARPCORE(bp))
  10894. bnx2x_umac_enable(params, vars, 0);
  10895. else {
  10896. bnx2x_emac_program(params, vars);
  10897. bnx2x_emac_enable(params, vars, 0);
  10898. }
  10899. } else {
  10900. if (USES_WARPCORE(bp))
  10901. bnx2x_xmac_enable(params, vars, 0);
  10902. else
  10903. bnx2x_bmac_enable(params, vars, 0);
  10904. }
  10905. if (params->loopback_mode == LOOPBACK_XGXS) {
  10906. /* set 10G XGXS loopback */
  10907. params->phy[INT_PHY].config_loopback(
  10908. &params->phy[INT_PHY],
  10909. params);
  10910. } else {
  10911. /* set external phy loopback */
  10912. u8 phy_index;
  10913. for (phy_index = EXT_PHY1;
  10914. phy_index < params->num_phys; phy_index++) {
  10915. if (params->phy[phy_index].config_loopback)
  10916. params->phy[phy_index].config_loopback(
  10917. &params->phy[phy_index],
  10918. params);
  10919. }
  10920. }
  10921. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10922. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10923. }
  10924. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10925. {
  10926. struct bnx2x *bp = params->bp;
  10927. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10928. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10929. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10930. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10931. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10932. vars->link_status = 0;
  10933. vars->phy_link_up = 0;
  10934. vars->link_up = 0;
  10935. vars->line_speed = 0;
  10936. vars->duplex = DUPLEX_FULL;
  10937. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10938. vars->mac_type = MAC_TYPE_NONE;
  10939. vars->phy_flags = 0;
  10940. /* Disable attentions */
  10941. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10942. (NIG_MASK_XGXS0_LINK_STATUS |
  10943. NIG_MASK_XGXS0_LINK10G |
  10944. NIG_MASK_SERDES0_LINK_STATUS |
  10945. NIG_MASK_MI_INT));
  10946. bnx2x_emac_init(params, vars);
  10947. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10948. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10949. if (params->num_phys == 0) {
  10950. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10951. return -EINVAL;
  10952. }
  10953. set_phy_vars(params, vars);
  10954. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10955. switch (params->loopback_mode) {
  10956. case LOOPBACK_BMAC:
  10957. bnx2x_init_bmac_loopback(params, vars);
  10958. break;
  10959. case LOOPBACK_EMAC:
  10960. bnx2x_init_emac_loopback(params, vars);
  10961. break;
  10962. case LOOPBACK_XMAC:
  10963. bnx2x_init_xmac_loopback(params, vars);
  10964. break;
  10965. case LOOPBACK_UMAC:
  10966. bnx2x_init_umac_loopback(params, vars);
  10967. break;
  10968. case LOOPBACK_XGXS:
  10969. case LOOPBACK_EXT_PHY:
  10970. bnx2x_init_xgxs_loopback(params, vars);
  10971. break;
  10972. default:
  10973. if (!CHIP_IS_E3(bp)) {
  10974. if (params->switch_cfg == SWITCH_CFG_10G)
  10975. bnx2x_xgxs_deassert(params);
  10976. else
  10977. bnx2x_serdes_deassert(bp, params->port);
  10978. }
  10979. bnx2x_link_initialize(params, vars);
  10980. msleep(30);
  10981. bnx2x_link_int_enable(params);
  10982. break;
  10983. }
  10984. bnx2x_update_mng(params, vars->link_status);
  10985. bnx2x_update_mng_eee(params, vars->eee_status);
  10986. return 0;
  10987. }
  10988. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10989. u8 reset_ext_phy)
  10990. {
  10991. struct bnx2x *bp = params->bp;
  10992. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10993. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10994. /* Disable attentions */
  10995. vars->link_status = 0;
  10996. bnx2x_update_mng(params, vars->link_status);
  10997. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10998. SHMEM_EEE_ACTIVE_BIT);
  10999. bnx2x_update_mng_eee(params, vars->eee_status);
  11000. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11001. (NIG_MASK_XGXS0_LINK_STATUS |
  11002. NIG_MASK_XGXS0_LINK10G |
  11003. NIG_MASK_SERDES0_LINK_STATUS |
  11004. NIG_MASK_MI_INT));
  11005. /* Activate nig drain */
  11006. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11007. /* Disable nig egress interface */
  11008. if (!CHIP_IS_E3(bp)) {
  11009. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11010. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11011. }
  11012. /* Stop BigMac rx */
  11013. if (!CHIP_IS_E3(bp))
  11014. bnx2x_bmac_rx_disable(bp, port);
  11015. else {
  11016. bnx2x_xmac_disable(params);
  11017. bnx2x_umac_disable(params);
  11018. }
  11019. /* Disable emac */
  11020. if (!CHIP_IS_E3(bp))
  11021. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11022. usleep_range(10000, 20000);
  11023. /* The PHY reset is controlled by GPIO 1
  11024. * Hold it as vars low
  11025. */
  11026. /* Clear link led */
  11027. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  11028. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11029. if (reset_ext_phy) {
  11030. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11031. phy_index++) {
  11032. if (params->phy[phy_index].link_reset) {
  11033. bnx2x_set_aer_mmd(params,
  11034. &params->phy[phy_index]);
  11035. params->phy[phy_index].link_reset(
  11036. &params->phy[phy_index],
  11037. params);
  11038. }
  11039. if (params->phy[phy_index].flags &
  11040. FLAGS_REARM_LATCH_SIGNAL)
  11041. clear_latch_ind = 1;
  11042. }
  11043. }
  11044. if (clear_latch_ind) {
  11045. /* Clear latching indication */
  11046. bnx2x_rearm_latch_signal(bp, port, 0);
  11047. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11048. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11049. }
  11050. if (params->phy[INT_PHY].link_reset)
  11051. params->phy[INT_PHY].link_reset(
  11052. &params->phy[INT_PHY], params);
  11053. /* Disable nig ingress interface */
  11054. if (!CHIP_IS_E3(bp)) {
  11055. /* Reset BigMac */
  11056. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11057. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11058. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11059. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11060. } else {
  11061. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11062. bnx2x_set_xumac_nig(params, 0, 0);
  11063. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11064. MISC_REGISTERS_RESET_REG_2_XMAC)
  11065. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11066. XMAC_CTRL_REG_SOFT_RESET);
  11067. }
  11068. vars->link_up = 0;
  11069. vars->phy_flags = 0;
  11070. return 0;
  11071. }
  11072. /****************************************************************************/
  11073. /* Common function */
  11074. /****************************************************************************/
  11075. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11076. u32 shmem_base_path[],
  11077. u32 shmem2_base_path[], u8 phy_index,
  11078. u32 chip_id)
  11079. {
  11080. struct bnx2x_phy phy[PORT_MAX];
  11081. struct bnx2x_phy *phy_blk[PORT_MAX];
  11082. u16 val;
  11083. s8 port = 0;
  11084. s8 port_of_path = 0;
  11085. u32 swap_val, swap_override;
  11086. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11087. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11088. port ^= (swap_val && swap_override);
  11089. bnx2x_ext_phy_hw_reset(bp, port);
  11090. /* PART1 - Reset both phys */
  11091. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11092. u32 shmem_base, shmem2_base;
  11093. /* In E2, same phy is using for port0 of the two paths */
  11094. if (CHIP_IS_E1x(bp)) {
  11095. shmem_base = shmem_base_path[0];
  11096. shmem2_base = shmem2_base_path[0];
  11097. port_of_path = port;
  11098. } else {
  11099. shmem_base = shmem_base_path[port];
  11100. shmem2_base = shmem2_base_path[port];
  11101. port_of_path = 0;
  11102. }
  11103. /* Extract the ext phy address for the port */
  11104. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11105. port_of_path, &phy[port]) !=
  11106. 0) {
  11107. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11108. return -EINVAL;
  11109. }
  11110. /* Disable attentions */
  11111. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11112. port_of_path*4,
  11113. (NIG_MASK_XGXS0_LINK_STATUS |
  11114. NIG_MASK_XGXS0_LINK10G |
  11115. NIG_MASK_SERDES0_LINK_STATUS |
  11116. NIG_MASK_MI_INT));
  11117. /* Need to take the phy out of low power mode in order
  11118. * to write to access its registers
  11119. */
  11120. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11121. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11122. port);
  11123. /* Reset the phy */
  11124. bnx2x_cl45_write(bp, &phy[port],
  11125. MDIO_PMA_DEVAD,
  11126. MDIO_PMA_REG_CTRL,
  11127. 1<<15);
  11128. }
  11129. /* Add delay of 150ms after reset */
  11130. msleep(150);
  11131. if (phy[PORT_0].addr & 0x1) {
  11132. phy_blk[PORT_0] = &(phy[PORT_1]);
  11133. phy_blk[PORT_1] = &(phy[PORT_0]);
  11134. } else {
  11135. phy_blk[PORT_0] = &(phy[PORT_0]);
  11136. phy_blk[PORT_1] = &(phy[PORT_1]);
  11137. }
  11138. /* PART2 - Download firmware to both phys */
  11139. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11140. if (CHIP_IS_E1x(bp))
  11141. port_of_path = port;
  11142. else
  11143. port_of_path = 0;
  11144. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11145. phy_blk[port]->addr);
  11146. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11147. port_of_path))
  11148. return -EINVAL;
  11149. /* Only set bit 10 = 1 (Tx power down) */
  11150. bnx2x_cl45_read(bp, phy_blk[port],
  11151. MDIO_PMA_DEVAD,
  11152. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11153. /* Phase1 of TX_POWER_DOWN reset */
  11154. bnx2x_cl45_write(bp, phy_blk[port],
  11155. MDIO_PMA_DEVAD,
  11156. MDIO_PMA_REG_TX_POWER_DOWN,
  11157. (val | 1<<10));
  11158. }
  11159. /* Toggle Transmitter: Power down and then up with 600ms delay
  11160. * between
  11161. */
  11162. msleep(600);
  11163. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11164. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11165. /* Phase2 of POWER_DOWN_RESET */
  11166. /* Release bit 10 (Release Tx power down) */
  11167. bnx2x_cl45_read(bp, phy_blk[port],
  11168. MDIO_PMA_DEVAD,
  11169. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11170. bnx2x_cl45_write(bp, phy_blk[port],
  11171. MDIO_PMA_DEVAD,
  11172. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11173. usleep_range(15000, 30000);
  11174. /* Read modify write the SPI-ROM version select register */
  11175. bnx2x_cl45_read(bp, phy_blk[port],
  11176. MDIO_PMA_DEVAD,
  11177. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11178. bnx2x_cl45_write(bp, phy_blk[port],
  11179. MDIO_PMA_DEVAD,
  11180. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11181. /* set GPIO2 back to LOW */
  11182. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11183. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11184. }
  11185. return 0;
  11186. }
  11187. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11188. u32 shmem_base_path[],
  11189. u32 shmem2_base_path[], u8 phy_index,
  11190. u32 chip_id)
  11191. {
  11192. u32 val;
  11193. s8 port;
  11194. struct bnx2x_phy phy;
  11195. /* Use port1 because of the static port-swap */
  11196. /* Enable the module detection interrupt */
  11197. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11198. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11199. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11200. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11201. bnx2x_ext_phy_hw_reset(bp, 0);
  11202. usleep_range(5000, 10000);
  11203. for (port = 0; port < PORT_MAX; port++) {
  11204. u32 shmem_base, shmem2_base;
  11205. /* In E2, same phy is using for port0 of the two paths */
  11206. if (CHIP_IS_E1x(bp)) {
  11207. shmem_base = shmem_base_path[0];
  11208. shmem2_base = shmem2_base_path[0];
  11209. } else {
  11210. shmem_base = shmem_base_path[port];
  11211. shmem2_base = shmem2_base_path[port];
  11212. }
  11213. /* Extract the ext phy address for the port */
  11214. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11215. port, &phy) !=
  11216. 0) {
  11217. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11218. return -EINVAL;
  11219. }
  11220. /* Reset phy*/
  11221. bnx2x_cl45_write(bp, &phy,
  11222. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11223. /* Set fault module detected LED on */
  11224. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11225. MISC_REGISTERS_GPIO_HIGH,
  11226. port);
  11227. }
  11228. return 0;
  11229. }
  11230. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11231. u8 *io_gpio, u8 *io_port)
  11232. {
  11233. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11234. offsetof(struct shmem_region,
  11235. dev_info.port_hw_config[PORT_0].default_cfg));
  11236. switch (phy_gpio_reset) {
  11237. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11238. *io_gpio = 0;
  11239. *io_port = 0;
  11240. break;
  11241. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11242. *io_gpio = 1;
  11243. *io_port = 0;
  11244. break;
  11245. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11246. *io_gpio = 2;
  11247. *io_port = 0;
  11248. break;
  11249. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11250. *io_gpio = 3;
  11251. *io_port = 0;
  11252. break;
  11253. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11254. *io_gpio = 0;
  11255. *io_port = 1;
  11256. break;
  11257. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11258. *io_gpio = 1;
  11259. *io_port = 1;
  11260. break;
  11261. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11262. *io_gpio = 2;
  11263. *io_port = 1;
  11264. break;
  11265. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11266. *io_gpio = 3;
  11267. *io_port = 1;
  11268. break;
  11269. default:
  11270. /* Don't override the io_gpio and io_port */
  11271. break;
  11272. }
  11273. }
  11274. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11275. u32 shmem_base_path[],
  11276. u32 shmem2_base_path[], u8 phy_index,
  11277. u32 chip_id)
  11278. {
  11279. s8 port, reset_gpio;
  11280. u32 swap_val, swap_override;
  11281. struct bnx2x_phy phy[PORT_MAX];
  11282. struct bnx2x_phy *phy_blk[PORT_MAX];
  11283. s8 port_of_path;
  11284. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11285. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11286. reset_gpio = MISC_REGISTERS_GPIO_1;
  11287. port = 1;
  11288. /* Retrieve the reset gpio/port which control the reset.
  11289. * Default is GPIO1, PORT1
  11290. */
  11291. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11292. (u8 *)&reset_gpio, (u8 *)&port);
  11293. /* Calculate the port based on port swap */
  11294. port ^= (swap_val && swap_override);
  11295. /* Initiate PHY reset*/
  11296. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11297. port);
  11298. usleep_range(1000, 2000);
  11299. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11300. port);
  11301. usleep_range(5000, 10000);
  11302. /* PART1 - Reset both phys */
  11303. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11304. u32 shmem_base, shmem2_base;
  11305. /* In E2, same phy is using for port0 of the two paths */
  11306. if (CHIP_IS_E1x(bp)) {
  11307. shmem_base = shmem_base_path[0];
  11308. shmem2_base = shmem2_base_path[0];
  11309. port_of_path = port;
  11310. } else {
  11311. shmem_base = shmem_base_path[port];
  11312. shmem2_base = shmem2_base_path[port];
  11313. port_of_path = 0;
  11314. }
  11315. /* Extract the ext phy address for the port */
  11316. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11317. port_of_path, &phy[port]) !=
  11318. 0) {
  11319. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11320. return -EINVAL;
  11321. }
  11322. /* disable attentions */
  11323. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11324. port_of_path*4,
  11325. (NIG_MASK_XGXS0_LINK_STATUS |
  11326. NIG_MASK_XGXS0_LINK10G |
  11327. NIG_MASK_SERDES0_LINK_STATUS |
  11328. NIG_MASK_MI_INT));
  11329. /* Reset the phy */
  11330. bnx2x_cl45_write(bp, &phy[port],
  11331. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11332. }
  11333. /* Add delay of 150ms after reset */
  11334. msleep(150);
  11335. if (phy[PORT_0].addr & 0x1) {
  11336. phy_blk[PORT_0] = &(phy[PORT_1]);
  11337. phy_blk[PORT_1] = &(phy[PORT_0]);
  11338. } else {
  11339. phy_blk[PORT_0] = &(phy[PORT_0]);
  11340. phy_blk[PORT_1] = &(phy[PORT_1]);
  11341. }
  11342. /* PART2 - Download firmware to both phys */
  11343. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11344. if (CHIP_IS_E1x(bp))
  11345. port_of_path = port;
  11346. else
  11347. port_of_path = 0;
  11348. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11349. phy_blk[port]->addr);
  11350. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11351. port_of_path))
  11352. return -EINVAL;
  11353. /* Disable PHY transmitter output */
  11354. bnx2x_cl45_write(bp, phy_blk[port],
  11355. MDIO_PMA_DEVAD,
  11356. MDIO_PMA_REG_TX_DISABLE, 1);
  11357. }
  11358. return 0;
  11359. }
  11360. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11361. u32 shmem_base_path[],
  11362. u32 shmem2_base_path[],
  11363. u8 phy_index,
  11364. u32 chip_id)
  11365. {
  11366. u8 reset_gpios;
  11367. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11368. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11369. udelay(10);
  11370. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11371. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11372. reset_gpios);
  11373. return 0;
  11374. }
  11375. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11376. struct bnx2x_phy *phy)
  11377. {
  11378. u16 val, cnt;
  11379. /* Wait for FW completing its initialization. */
  11380. for (cnt = 0; cnt < 1500; cnt++) {
  11381. bnx2x_cl45_read(bp, phy,
  11382. MDIO_PMA_DEVAD,
  11383. MDIO_PMA_REG_CTRL, &val);
  11384. if (!(val & (1<<15)))
  11385. break;
  11386. usleep_range(1000, 2000);
  11387. }
  11388. if (cnt >= 1500) {
  11389. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11390. return -EINVAL;
  11391. }
  11392. /* Put the port in super isolate mode. */
  11393. bnx2x_cl45_read(bp, phy,
  11394. MDIO_CTL_DEVAD,
  11395. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11396. val |= MDIO_84833_SUPER_ISOLATE;
  11397. bnx2x_cl45_write(bp, phy,
  11398. MDIO_CTL_DEVAD,
  11399. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11400. /* Save spirom version */
  11401. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11402. return 0;
  11403. }
  11404. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11405. u32 shmem_base,
  11406. u32 shmem2_base,
  11407. u32 chip_id)
  11408. {
  11409. int rc = 0;
  11410. struct bnx2x_phy phy;
  11411. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11412. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11413. PORT_0, &phy)) {
  11414. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11415. return -EINVAL;
  11416. }
  11417. switch (phy.type) {
  11418. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11419. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11420. break;
  11421. default:
  11422. break;
  11423. }
  11424. return rc;
  11425. }
  11426. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11427. u32 shmem2_base_path[], u8 phy_index,
  11428. u32 ext_phy_type, u32 chip_id)
  11429. {
  11430. int rc = 0;
  11431. switch (ext_phy_type) {
  11432. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11433. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11434. shmem2_base_path,
  11435. phy_index, chip_id);
  11436. break;
  11437. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11438. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11439. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11440. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11441. shmem2_base_path,
  11442. phy_index, chip_id);
  11443. break;
  11444. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11445. /* GPIO1 affects both ports, so there's need to pull
  11446. * it for single port alone
  11447. */
  11448. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11449. shmem2_base_path,
  11450. phy_index, chip_id);
  11451. break;
  11452. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11453. /* GPIO3's are linked, and so both need to be toggled
  11454. * to obtain required 2us pulse.
  11455. */
  11456. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11457. shmem2_base_path,
  11458. phy_index, chip_id);
  11459. break;
  11460. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11461. rc = -EINVAL;
  11462. break;
  11463. default:
  11464. DP(NETIF_MSG_LINK,
  11465. "ext_phy 0x%x common init not required\n",
  11466. ext_phy_type);
  11467. break;
  11468. }
  11469. if (rc)
  11470. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11471. " Port %d\n",
  11472. 0);
  11473. return rc;
  11474. }
  11475. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11476. u32 shmem2_base_path[], u32 chip_id)
  11477. {
  11478. int rc = 0;
  11479. u32 phy_ver, val;
  11480. u8 phy_index = 0;
  11481. u32 ext_phy_type, ext_phy_config;
  11482. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11483. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11484. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11485. if (CHIP_IS_E3(bp)) {
  11486. /* Enable EPIO */
  11487. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11488. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11489. }
  11490. /* Check if common init was already done */
  11491. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11492. offsetof(struct shmem_region,
  11493. port_mb[PORT_0].ext_phy_fw_version));
  11494. if (phy_ver) {
  11495. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11496. phy_ver);
  11497. return 0;
  11498. }
  11499. /* Read the ext_phy_type for arbitrary port(0) */
  11500. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11501. phy_index++) {
  11502. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11503. shmem_base_path[0],
  11504. phy_index, 0);
  11505. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11506. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11507. shmem2_base_path,
  11508. phy_index, ext_phy_type,
  11509. chip_id);
  11510. }
  11511. return rc;
  11512. }
  11513. static void bnx2x_check_over_curr(struct link_params *params,
  11514. struct link_vars *vars)
  11515. {
  11516. struct bnx2x *bp = params->bp;
  11517. u32 cfg_pin;
  11518. u8 port = params->port;
  11519. u32 pin_val;
  11520. cfg_pin = (REG_RD(bp, params->shmem_base +
  11521. offsetof(struct shmem_region,
  11522. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11523. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11524. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11525. /* Ignore check if no external input PIN available */
  11526. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11527. return;
  11528. if (!pin_val) {
  11529. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11530. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11531. " been detected and the power to "
  11532. "that SFP+ module has been removed"
  11533. " to prevent failure of the card."
  11534. " Please remove the SFP+ module and"
  11535. " restart the system to clear this"
  11536. " error.\n",
  11537. params->port);
  11538. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11539. }
  11540. } else
  11541. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11542. }
  11543. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11544. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11545. struct link_vars *vars, u32 status,
  11546. u32 phy_flag, u32 link_flag, u8 notify)
  11547. {
  11548. struct bnx2x *bp = params->bp;
  11549. /* Compare new value with previous value */
  11550. u8 led_mode;
  11551. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11552. if ((status ^ old_status) == 0)
  11553. return 0;
  11554. /* If values differ */
  11555. switch (phy_flag) {
  11556. case PHY_HALF_OPEN_CONN_FLAG:
  11557. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11558. break;
  11559. case PHY_SFP_TX_FAULT_FLAG:
  11560. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11561. break;
  11562. default:
  11563. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11564. }
  11565. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11566. old_status, status);
  11567. /* a. Update shmem->link_status accordingly
  11568. * b. Update link_vars->link_up
  11569. */
  11570. if (status) {
  11571. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11572. vars->link_status |= link_flag;
  11573. vars->link_up = 0;
  11574. vars->phy_flags |= phy_flag;
  11575. /* activate nig drain */
  11576. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11577. /* Set LED mode to off since the PHY doesn't know about these
  11578. * errors
  11579. */
  11580. led_mode = LED_MODE_OFF;
  11581. } else {
  11582. vars->link_status |= LINK_STATUS_LINK_UP;
  11583. vars->link_status &= ~link_flag;
  11584. vars->link_up = 1;
  11585. vars->phy_flags &= ~phy_flag;
  11586. led_mode = LED_MODE_OPER;
  11587. /* Clear nig drain */
  11588. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11589. }
  11590. bnx2x_sync_link(params, vars);
  11591. /* Update the LED according to the link state */
  11592. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11593. /* Update link status in the shared memory */
  11594. bnx2x_update_mng(params, vars->link_status);
  11595. /* C. Trigger General Attention */
  11596. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11597. if (notify)
  11598. bnx2x_notify_link_changed(bp);
  11599. return 1;
  11600. }
  11601. /******************************************************************************
  11602. * Description:
  11603. * This function checks for half opened connection change indication.
  11604. * When such change occurs, it calls the bnx2x_analyze_link_error
  11605. * to check if Remote Fault is set or cleared. Reception of remote fault
  11606. * status message in the MAC indicates that the peer's MAC has detected
  11607. * a fault, for example, due to break in the TX side of fiber.
  11608. *
  11609. ******************************************************************************/
  11610. int bnx2x_check_half_open_conn(struct link_params *params,
  11611. struct link_vars *vars,
  11612. u8 notify)
  11613. {
  11614. struct bnx2x *bp = params->bp;
  11615. u32 lss_status = 0;
  11616. u32 mac_base;
  11617. /* In case link status is physically up @ 10G do */
  11618. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11619. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11620. return 0;
  11621. if (CHIP_IS_E3(bp) &&
  11622. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11623. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11624. /* Check E3 XMAC */
  11625. /* Note that link speed cannot be queried here, since it may be
  11626. * zero while link is down. In case UMAC is active, LSS will
  11627. * simply not be set
  11628. */
  11629. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11630. /* Clear stick bits (Requires rising edge) */
  11631. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11632. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11633. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11634. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11635. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11636. lss_status = 1;
  11637. bnx2x_analyze_link_error(params, vars, lss_status,
  11638. PHY_HALF_OPEN_CONN_FLAG,
  11639. LINK_STATUS_NONE, notify);
  11640. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11641. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11642. /* Check E1X / E2 BMAC */
  11643. u32 lss_status_reg;
  11644. u32 wb_data[2];
  11645. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11646. NIG_REG_INGRESS_BMAC0_MEM;
  11647. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11648. if (CHIP_IS_E2(bp))
  11649. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11650. else
  11651. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11652. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11653. lss_status = (wb_data[0] > 0);
  11654. bnx2x_analyze_link_error(params, vars, lss_status,
  11655. PHY_HALF_OPEN_CONN_FLAG,
  11656. LINK_STATUS_NONE, notify);
  11657. }
  11658. return 0;
  11659. }
  11660. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11661. struct link_params *params,
  11662. struct link_vars *vars)
  11663. {
  11664. struct bnx2x *bp = params->bp;
  11665. u32 cfg_pin, value = 0;
  11666. u8 led_change, port = params->port;
  11667. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11668. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11669. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11670. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11671. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11672. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11673. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11674. return;
  11675. }
  11676. led_change = bnx2x_analyze_link_error(params, vars, value,
  11677. PHY_SFP_TX_FAULT_FLAG,
  11678. LINK_STATUS_SFP_TX_FAULT, 1);
  11679. if (led_change) {
  11680. /* Change TX_Fault led, set link status for further syncs */
  11681. u8 led_mode;
  11682. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11683. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11684. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11685. } else {
  11686. led_mode = MISC_REGISTERS_GPIO_LOW;
  11687. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11688. }
  11689. /* If module is unapproved, led should be on regardless */
  11690. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11691. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11692. led_mode);
  11693. bnx2x_set_e3_module_fault_led(params, led_mode);
  11694. }
  11695. }
  11696. }
  11697. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11698. {
  11699. u16 phy_idx;
  11700. struct bnx2x *bp = params->bp;
  11701. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11702. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11703. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11704. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11705. 0)
  11706. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11707. break;
  11708. }
  11709. }
  11710. if (CHIP_IS_E3(bp)) {
  11711. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11712. bnx2x_set_aer_mmd(params, phy);
  11713. bnx2x_check_over_curr(params, vars);
  11714. if (vars->rx_tx_asic_rst)
  11715. bnx2x_warpcore_config_runtime(phy, params, vars);
  11716. if ((REG_RD(bp, params->shmem_base +
  11717. offsetof(struct shmem_region, dev_info.
  11718. port_hw_config[params->port].default_cfg))
  11719. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11720. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11721. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11722. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11723. } else if (vars->link_status &
  11724. LINK_STATUS_SFP_TX_FAULT) {
  11725. /* Clean trail, interrupt corrects the leds */
  11726. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11727. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11728. /* Update link status in the shared memory */
  11729. bnx2x_update_mng(params, vars->link_status);
  11730. }
  11731. }
  11732. }
  11733. }
  11734. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11735. {
  11736. u8 phy_index;
  11737. struct bnx2x_phy phy;
  11738. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11739. phy_index++) {
  11740. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11741. 0, &phy) != 0) {
  11742. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11743. return 0;
  11744. }
  11745. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11746. return 1;
  11747. }
  11748. return 0;
  11749. }
  11750. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11751. u32 shmem_base,
  11752. u32 shmem2_base,
  11753. u8 port)
  11754. {
  11755. u8 phy_index, fan_failure_det_req = 0;
  11756. struct bnx2x_phy phy;
  11757. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11758. phy_index++) {
  11759. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11760. port, &phy)
  11761. != 0) {
  11762. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11763. return 0;
  11764. }
  11765. fan_failure_det_req |= (phy.flags &
  11766. FLAGS_FAN_FAILURE_DET_REQ);
  11767. }
  11768. return fan_failure_det_req;
  11769. }
  11770. void bnx2x_hw_reset_phy(struct link_params *params)
  11771. {
  11772. u8 phy_index;
  11773. struct bnx2x *bp = params->bp;
  11774. bnx2x_update_mng(params, 0);
  11775. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11776. (NIG_MASK_XGXS0_LINK_STATUS |
  11777. NIG_MASK_XGXS0_LINK10G |
  11778. NIG_MASK_SERDES0_LINK_STATUS |
  11779. NIG_MASK_MI_INT));
  11780. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11781. phy_index++) {
  11782. if (params->phy[phy_index].hw_reset) {
  11783. params->phy[phy_index].hw_reset(
  11784. &params->phy[phy_index],
  11785. params);
  11786. params->phy[phy_index] = phy_null;
  11787. }
  11788. }
  11789. }
  11790. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11791. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11792. u8 port)
  11793. {
  11794. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11795. u32 val;
  11796. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11797. if (CHIP_IS_E3(bp)) {
  11798. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11799. shmem_base,
  11800. port,
  11801. &gpio_num,
  11802. &gpio_port) != 0)
  11803. return;
  11804. } else {
  11805. struct bnx2x_phy phy;
  11806. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11807. phy_index++) {
  11808. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11809. shmem2_base, port, &phy)
  11810. != 0) {
  11811. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11812. return;
  11813. }
  11814. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11815. gpio_num = MISC_REGISTERS_GPIO_3;
  11816. gpio_port = port;
  11817. break;
  11818. }
  11819. }
  11820. }
  11821. if (gpio_num == 0xff)
  11822. return;
  11823. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11824. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11825. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11826. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11827. gpio_port ^= (swap_val && swap_override);
  11828. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11829. (gpio_num + (gpio_port << 2));
  11830. sync_offset = shmem_base +
  11831. offsetof(struct shmem_region,
  11832. dev_info.port_hw_config[port].aeu_int_mask);
  11833. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11834. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11835. gpio_num, gpio_port, vars->aeu_int_mask);
  11836. if (port == 0)
  11837. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11838. else
  11839. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11840. /* Open appropriate AEU for interrupts */
  11841. aeu_mask = REG_RD(bp, offset);
  11842. aeu_mask |= vars->aeu_int_mask;
  11843. REG_WR(bp, offset, aeu_mask);
  11844. /* Enable the GPIO to trigger interrupt */
  11845. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11846. val |= 1 << (gpio_num + (gpio_port << 2));
  11847. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11848. }