bnx2x_link.c 387 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. /* EEE section */
  1148. /******************************************************************/
  1149. static u8 bnx2x_eee_has_cap(struct link_params *params)
  1150. {
  1151. struct bnx2x *bp = params->bp;
  1152. if (REG_RD(bp, params->shmem2_base) <=
  1153. offsetof(struct shmem2_region, eee_status[params->port]))
  1154. return 0;
  1155. return 1;
  1156. }
  1157. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  1158. {
  1159. switch (nvram_mode) {
  1160. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  1161. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  1162. break;
  1163. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  1164. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  1165. break;
  1166. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  1167. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  1168. break;
  1169. default:
  1170. *idle_timer = 0;
  1171. break;
  1172. }
  1173. return 0;
  1174. }
  1175. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  1176. {
  1177. switch (idle_timer) {
  1178. case EEE_MODE_NVRAM_BALANCED_TIME:
  1179. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  1180. break;
  1181. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  1182. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  1183. break;
  1184. case EEE_MODE_NVRAM_LATENCY_TIME:
  1185. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  1186. break;
  1187. default:
  1188. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  1189. break;
  1190. }
  1191. return 0;
  1192. }
  1193. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  1194. {
  1195. u32 eee_mode, eee_idle;
  1196. struct bnx2x *bp = params->bp;
  1197. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  1198. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  1199. /* time value in eee_mode --> used directly*/
  1200. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  1201. } else {
  1202. /* hsi value in eee_mode --> time */
  1203. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  1204. EEE_MODE_NVRAM_MASK,
  1205. &eee_idle))
  1206. return 0;
  1207. }
  1208. } else {
  1209. /* hsi values in nvram --> time*/
  1210. eee_mode = ((REG_RD(bp, params->shmem_base +
  1211. offsetof(struct shmem_region, dev_info.
  1212. port_feature_config[params->port].
  1213. eee_power_mode)) &
  1214. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  1215. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  1216. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  1217. return 0;
  1218. }
  1219. return eee_idle;
  1220. }
  1221. /******************************************************************/
  1222. /* PFC section */
  1223. /******************************************************************/
  1224. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1225. struct link_vars *vars,
  1226. u8 is_lb)
  1227. {
  1228. struct bnx2x *bp = params->bp;
  1229. u32 xmac_base;
  1230. u32 pause_val, pfc0_val, pfc1_val;
  1231. /* XMAC base adrr */
  1232. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1233. /* Initialize pause and pfc registers */
  1234. pause_val = 0x18000;
  1235. pfc0_val = 0xFFFF8000;
  1236. pfc1_val = 0x2;
  1237. /* No PFC support */
  1238. if (!(params->feature_config_flags &
  1239. FEATURE_CONFIG_PFC_ENABLED)) {
  1240. /* RX flow control - Process pause frame in receive direction
  1241. */
  1242. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1243. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1244. /* TX flow control - Send pause packet when buffer is full */
  1245. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1246. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1247. } else {/* PFC support */
  1248. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1249. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1250. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1251. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1252. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1253. /* Write pause and PFC registers */
  1254. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1255. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1256. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1257. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1258. }
  1259. /* Write pause and PFC registers */
  1260. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1261. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1262. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1263. /* Set MAC address for source TX Pause/PFC frames */
  1264. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1265. ((params->mac_addr[2] << 24) |
  1266. (params->mac_addr[3] << 16) |
  1267. (params->mac_addr[4] << 8) |
  1268. (params->mac_addr[5])));
  1269. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1270. ((params->mac_addr[0] << 8) |
  1271. (params->mac_addr[1])));
  1272. udelay(30);
  1273. }
  1274. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1275. u32 pfc_frames_sent[2],
  1276. u32 pfc_frames_received[2])
  1277. {
  1278. /* Read pfc statistic */
  1279. struct bnx2x *bp = params->bp;
  1280. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1281. u32 val_xon = 0;
  1282. u32 val_xoff = 0;
  1283. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1284. /* PFC received frames */
  1285. val_xoff = REG_RD(bp, emac_base +
  1286. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1287. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1288. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1289. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1290. pfc_frames_received[0] = val_xon + val_xoff;
  1291. /* PFC received sent */
  1292. val_xoff = REG_RD(bp, emac_base +
  1293. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1294. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1295. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1296. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1297. pfc_frames_sent[0] = val_xon + val_xoff;
  1298. }
  1299. /* Read pfc statistic*/
  1300. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1301. u32 pfc_frames_sent[2],
  1302. u32 pfc_frames_received[2])
  1303. {
  1304. /* Read pfc statistic */
  1305. struct bnx2x *bp = params->bp;
  1306. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1307. if (!vars->link_up)
  1308. return;
  1309. if (vars->mac_type == MAC_TYPE_EMAC) {
  1310. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1311. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1312. pfc_frames_received);
  1313. }
  1314. }
  1315. /******************************************************************/
  1316. /* MAC/PBF section */
  1317. /******************************************************************/
  1318. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1319. {
  1320. u32 mode, emac_base;
  1321. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1322. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1323. */
  1324. if (CHIP_IS_E2(bp))
  1325. emac_base = GRCBASE_EMAC0;
  1326. else
  1327. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1328. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1329. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1330. EMAC_MDIO_MODE_CLOCK_CNT);
  1331. if (USES_WARPCORE(bp))
  1332. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1333. else
  1334. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1335. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1336. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1337. udelay(40);
  1338. }
  1339. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1340. {
  1341. u32 port4mode_ovwr_val;
  1342. /* Check 4-port override enabled */
  1343. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1344. if (port4mode_ovwr_val & (1<<0)) {
  1345. /* Return 4-port mode override value */
  1346. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1347. }
  1348. /* Return 4-port mode from input pin */
  1349. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1350. }
  1351. static void bnx2x_emac_init(struct link_params *params,
  1352. struct link_vars *vars)
  1353. {
  1354. /* reset and unreset the emac core */
  1355. struct bnx2x *bp = params->bp;
  1356. u8 port = params->port;
  1357. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1358. u32 val;
  1359. u16 timeout;
  1360. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1361. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1362. udelay(5);
  1363. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1364. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1365. /* init emac - use read-modify-write */
  1366. /* self clear reset */
  1367. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1368. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1369. timeout = 200;
  1370. do {
  1371. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1372. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1373. if (!timeout) {
  1374. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1375. return;
  1376. }
  1377. timeout--;
  1378. } while (val & EMAC_MODE_RESET);
  1379. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1380. /* Set mac address */
  1381. val = ((params->mac_addr[0] << 8) |
  1382. params->mac_addr[1]);
  1383. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1384. val = ((params->mac_addr[2] << 24) |
  1385. (params->mac_addr[3] << 16) |
  1386. (params->mac_addr[4] << 8) |
  1387. params->mac_addr[5]);
  1388. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1389. }
  1390. static void bnx2x_set_xumac_nig(struct link_params *params,
  1391. u16 tx_pause_en,
  1392. u8 enable)
  1393. {
  1394. struct bnx2x *bp = params->bp;
  1395. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1396. enable);
  1397. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1398. enable);
  1399. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1400. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1401. }
  1402. static void bnx2x_umac_disable(struct link_params *params)
  1403. {
  1404. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1405. struct bnx2x *bp = params->bp;
  1406. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1407. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1408. return;
  1409. /* Disable RX and TX */
  1410. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1411. }
  1412. static void bnx2x_umac_enable(struct link_params *params,
  1413. struct link_vars *vars, u8 lb)
  1414. {
  1415. u32 val;
  1416. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1417. struct bnx2x *bp = params->bp;
  1418. /* Reset UMAC */
  1419. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1420. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1421. usleep_range(1000, 2000);
  1422. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1423. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1424. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1425. /* This register opens the gate for the UMAC despite its name */
  1426. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1427. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1428. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1429. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1430. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1431. switch (vars->line_speed) {
  1432. case SPEED_10:
  1433. val |= (0<<2);
  1434. break;
  1435. case SPEED_100:
  1436. val |= (1<<2);
  1437. break;
  1438. case SPEED_1000:
  1439. val |= (2<<2);
  1440. break;
  1441. case SPEED_2500:
  1442. val |= (3<<2);
  1443. break;
  1444. default:
  1445. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1446. vars->line_speed);
  1447. break;
  1448. }
  1449. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1450. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1451. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1452. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1453. if (vars->duplex == DUPLEX_HALF)
  1454. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1455. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1456. udelay(50);
  1457. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1458. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1459. ((params->mac_addr[2] << 24) |
  1460. (params->mac_addr[3] << 16) |
  1461. (params->mac_addr[4] << 8) |
  1462. (params->mac_addr[5])));
  1463. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1464. ((params->mac_addr[0] << 8) |
  1465. (params->mac_addr[1])));
  1466. /* Enable RX and TX */
  1467. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1468. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1469. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1470. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1471. udelay(50);
  1472. /* Remove SW Reset */
  1473. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1474. /* Check loopback mode */
  1475. if (lb)
  1476. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1477. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1478. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1479. * length used by the MAC receive logic to check frames.
  1480. */
  1481. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1482. bnx2x_set_xumac_nig(params,
  1483. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1484. vars->mac_type = MAC_TYPE_UMAC;
  1485. }
  1486. /* Define the XMAC mode */
  1487. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1488. {
  1489. struct bnx2x *bp = params->bp;
  1490. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1491. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1492. * already out of reset, it means the mode has already been set,
  1493. * and it must not* reset the XMAC again, since it controls both
  1494. * ports of the path
  1495. */
  1496. if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
  1497. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1498. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1499. DP(NETIF_MSG_LINK,
  1500. "XMAC already out of reset in 4-port mode\n");
  1501. return;
  1502. }
  1503. /* Hard reset */
  1504. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1505. MISC_REGISTERS_RESET_REG_2_XMAC);
  1506. usleep_range(1000, 2000);
  1507. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1508. MISC_REGISTERS_RESET_REG_2_XMAC);
  1509. if (is_port4mode) {
  1510. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1511. /* Set the number of ports on the system side to up to 2 */
  1512. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1513. /* Set the number of ports on the Warp Core to 10G */
  1514. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1515. } else {
  1516. /* Set the number of ports on the system side to 1 */
  1517. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1518. if (max_speed == SPEED_10000) {
  1519. DP(NETIF_MSG_LINK,
  1520. "Init XMAC to 10G x 1 port per path\n");
  1521. /* Set the number of ports on the Warp Core to 10G */
  1522. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1523. } else {
  1524. DP(NETIF_MSG_LINK,
  1525. "Init XMAC to 20G x 2 ports per path\n");
  1526. /* Set the number of ports on the Warp Core to 20G */
  1527. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1528. }
  1529. }
  1530. /* Soft reset */
  1531. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1532. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1533. usleep_range(1000, 2000);
  1534. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1535. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1536. }
  1537. static void bnx2x_xmac_disable(struct link_params *params)
  1538. {
  1539. u8 port = params->port;
  1540. struct bnx2x *bp = params->bp;
  1541. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1543. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1544. /* Send an indication to change the state in the NIG back to XON
  1545. * Clearing this bit enables the next set of this bit to get
  1546. * rising edge
  1547. */
  1548. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1549. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1550. (pfc_ctrl & ~(1<<1)));
  1551. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1552. (pfc_ctrl | (1<<1)));
  1553. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1554. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1555. }
  1556. }
  1557. static int bnx2x_xmac_enable(struct link_params *params,
  1558. struct link_vars *vars, u8 lb)
  1559. {
  1560. u32 val, xmac_base;
  1561. struct bnx2x *bp = params->bp;
  1562. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1563. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1564. bnx2x_xmac_init(params, vars->line_speed);
  1565. /* This register determines on which events the MAC will assert
  1566. * error on the i/f to the NIG along w/ EOP.
  1567. */
  1568. /* This register tells the NIG whether to send traffic to UMAC
  1569. * or XMAC
  1570. */
  1571. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1572. /* Set Max packet size */
  1573. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1574. /* CRC append for Tx packets */
  1575. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1576. /* update PFC */
  1577. bnx2x_update_pfc_xmac(params, vars, 0);
  1578. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1579. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1580. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1581. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1582. } else {
  1583. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1584. }
  1585. /* Enable TX and RX */
  1586. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1587. /* Check loopback mode */
  1588. if (lb)
  1589. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1590. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1591. bnx2x_set_xumac_nig(params,
  1592. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1593. vars->mac_type = MAC_TYPE_XMAC;
  1594. return 0;
  1595. }
  1596. static int bnx2x_emac_enable(struct link_params *params,
  1597. struct link_vars *vars, u8 lb)
  1598. {
  1599. struct bnx2x *bp = params->bp;
  1600. u8 port = params->port;
  1601. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1602. u32 val;
  1603. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1604. /* Disable BMAC */
  1605. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1606. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1607. /* enable emac and not bmac */
  1608. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1609. /* ASIC */
  1610. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1611. u32 ser_lane = ((params->lane_config &
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1613. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1614. DP(NETIF_MSG_LINK, "XGXS\n");
  1615. /* select the master lanes (out of 0-3) */
  1616. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1617. /* select XGXS */
  1618. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1619. } else { /* SerDes */
  1620. DP(NETIF_MSG_LINK, "SerDes\n");
  1621. /* select SerDes */
  1622. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1623. }
  1624. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_RESET);
  1626. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. EMAC_TX_MODE_RESET);
  1628. /* pause enable/disable */
  1629. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1630. EMAC_RX_MODE_FLOW_EN);
  1631. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1632. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1633. EMAC_TX_MODE_FLOW_EN));
  1634. if (!(params->feature_config_flags &
  1635. FEATURE_CONFIG_PFC_ENABLED)) {
  1636. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1637. bnx2x_bits_en(bp, emac_base +
  1638. EMAC_REG_EMAC_RX_MODE,
  1639. EMAC_RX_MODE_FLOW_EN);
  1640. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1641. bnx2x_bits_en(bp, emac_base +
  1642. EMAC_REG_EMAC_TX_MODE,
  1643. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1644. EMAC_TX_MODE_FLOW_EN));
  1645. } else
  1646. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1647. EMAC_TX_MODE_FLOW_EN);
  1648. /* KEEP_VLAN_TAG, promiscuous */
  1649. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1650. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1651. /* Setting this bit causes MAC control frames (except for pause
  1652. * frames) to be passed on for processing. This setting has no
  1653. * affect on the operation of the pause frames. This bit effects
  1654. * all packets regardless of RX Parser packet sorting logic.
  1655. * Turn the PFC off to make sure we are in Xon state before
  1656. * enabling it.
  1657. */
  1658. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1659. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1660. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1661. /* Enable PFC again */
  1662. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1663. EMAC_REG_RX_PFC_MODE_RX_EN |
  1664. EMAC_REG_RX_PFC_MODE_TX_EN |
  1665. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1666. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1667. ((0x0101 <<
  1668. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1669. (0x00ff <<
  1670. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1671. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1672. }
  1673. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1674. /* Set Loopback */
  1675. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1676. if (lb)
  1677. val |= 0x810;
  1678. else
  1679. val &= ~0x810;
  1680. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1681. /* Enable emac */
  1682. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1683. /* Enable emac for jumbo packets */
  1684. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1685. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1686. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1687. /* Strip CRC */
  1688. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1689. /* Disable the NIG in/out to the bmac */
  1690. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1691. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1692. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1693. /* Enable the NIG in/out to the emac */
  1694. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1695. val = 0;
  1696. if ((params->feature_config_flags &
  1697. FEATURE_CONFIG_PFC_ENABLED) ||
  1698. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1699. val = 1;
  1700. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1701. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1702. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1703. vars->mac_type = MAC_TYPE_EMAC;
  1704. return 0;
  1705. }
  1706. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1707. struct link_vars *vars)
  1708. {
  1709. u32 wb_data[2];
  1710. struct bnx2x *bp = params->bp;
  1711. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1712. NIG_REG_INGRESS_BMAC0_MEM;
  1713. u32 val = 0x14;
  1714. if ((!(params->feature_config_flags &
  1715. FEATURE_CONFIG_PFC_ENABLED)) &&
  1716. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1717. /* Enable BigMAC to react on received Pause packets */
  1718. val |= (1<<5);
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1722. /* TX control */
  1723. val = 0xc0;
  1724. if (!(params->feature_config_flags &
  1725. FEATURE_CONFIG_PFC_ENABLED) &&
  1726. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1727. val |= 0x800000;
  1728. wb_data[0] = val;
  1729. wb_data[1] = 0;
  1730. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1731. }
  1732. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1733. struct link_vars *vars,
  1734. u8 is_lb)
  1735. {
  1736. /* Set rx control: Strip CRC and enable BigMAC to relay
  1737. * control packets to the system as well
  1738. */
  1739. u32 wb_data[2];
  1740. struct bnx2x *bp = params->bp;
  1741. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1742. NIG_REG_INGRESS_BMAC0_MEM;
  1743. u32 val = 0x14;
  1744. if ((!(params->feature_config_flags &
  1745. FEATURE_CONFIG_PFC_ENABLED)) &&
  1746. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1747. /* Enable BigMAC to react on received Pause packets */
  1748. val |= (1<<5);
  1749. wb_data[0] = val;
  1750. wb_data[1] = 0;
  1751. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1752. udelay(30);
  1753. /* Tx control */
  1754. val = 0xc0;
  1755. if (!(params->feature_config_flags &
  1756. FEATURE_CONFIG_PFC_ENABLED) &&
  1757. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1758. val |= 0x800000;
  1759. wb_data[0] = val;
  1760. wb_data[1] = 0;
  1761. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1762. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1763. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1764. /* Enable PFC RX & TX & STATS and set 8 COS */
  1765. wb_data[0] = 0x0;
  1766. wb_data[0] |= (1<<0); /* RX */
  1767. wb_data[0] |= (1<<1); /* TX */
  1768. wb_data[0] |= (1<<2); /* Force initial Xon */
  1769. wb_data[0] |= (1<<3); /* 8 cos */
  1770. wb_data[0] |= (1<<5); /* STATS */
  1771. wb_data[1] = 0;
  1772. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1773. wb_data, 2);
  1774. /* Clear the force Xon */
  1775. wb_data[0] &= ~(1<<2);
  1776. } else {
  1777. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1778. /* Disable PFC RX & TX & STATS and set 8 COS */
  1779. wb_data[0] = 0x8;
  1780. wb_data[1] = 0;
  1781. }
  1782. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1783. /* Set Time (based unit is 512 bit time) between automatic
  1784. * re-sending of PP packets amd enable automatic re-send of
  1785. * Per-Priroity Packet as long as pp_gen is asserted and
  1786. * pp_disable is low.
  1787. */
  1788. val = 0x8000;
  1789. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1790. val |= (1<<16); /* enable automatic re-send */
  1791. wb_data[0] = val;
  1792. wb_data[1] = 0;
  1793. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1794. wb_data, 2);
  1795. /* mac control */
  1796. val = 0x3; /* Enable RX and TX */
  1797. if (is_lb) {
  1798. val |= 0x4; /* Local loopback */
  1799. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1800. }
  1801. /* When PFC enabled, Pass pause frames towards the NIG. */
  1802. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1803. val |= ((1<<6)|(1<<5));
  1804. wb_data[0] = val;
  1805. wb_data[1] = 0;
  1806. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1807. }
  1808. /* PFC BRB internal port configuration params */
  1809. struct bnx2x_pfc_brb_threshold_val {
  1810. u32 pause_xoff;
  1811. u32 pause_xon;
  1812. u32 full_xoff;
  1813. u32 full_xon;
  1814. };
  1815. struct bnx2x_pfc_brb_e3b0_val {
  1816. u32 per_class_guaranty_mode;
  1817. u32 lb_guarantied_hyst;
  1818. u32 full_lb_xoff_th;
  1819. u32 full_lb_xon_threshold;
  1820. u32 lb_guarantied;
  1821. u32 mac_0_class_t_guarantied;
  1822. u32 mac_0_class_t_guarantied_hyst;
  1823. u32 mac_1_class_t_guarantied;
  1824. u32 mac_1_class_t_guarantied_hyst;
  1825. };
  1826. struct bnx2x_pfc_brb_th_val {
  1827. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1828. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1829. struct bnx2x_pfc_brb_threshold_val default_class0;
  1830. struct bnx2x_pfc_brb_threshold_val default_class1;
  1831. };
  1832. static int bnx2x_pfc_brb_get_config_params(
  1833. struct link_params *params,
  1834. struct bnx2x_pfc_brb_th_val *config_val)
  1835. {
  1836. struct bnx2x *bp = params->bp;
  1837. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1838. config_val->default_class1.pause_xoff = 0;
  1839. config_val->default_class1.pause_xon = 0;
  1840. config_val->default_class1.full_xoff = 0;
  1841. config_val->default_class1.full_xon = 0;
  1842. if (CHIP_IS_E2(bp)) {
  1843. /* Class0 defaults */
  1844. config_val->default_class0.pause_xoff =
  1845. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1846. config_val->default_class0.pause_xon =
  1847. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1848. config_val->default_class0.full_xoff =
  1849. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1850. config_val->default_class0.full_xon =
  1851. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1852. /* Pause able*/
  1853. config_val->pauseable_th.pause_xoff =
  1854. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1855. config_val->pauseable_th.pause_xon =
  1856. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1857. config_val->pauseable_th.full_xoff =
  1858. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1859. config_val->pauseable_th.full_xon =
  1860. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1861. /* Non pause able*/
  1862. config_val->non_pauseable_th.pause_xoff =
  1863. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1864. config_val->non_pauseable_th.pause_xon =
  1865. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1866. config_val->non_pauseable_th.full_xoff =
  1867. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1868. config_val->non_pauseable_th.full_xon =
  1869. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1870. } else if (CHIP_IS_E3A0(bp)) {
  1871. /* Class0 defaults */
  1872. config_val->default_class0.pause_xoff =
  1873. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1874. config_val->default_class0.pause_xon =
  1875. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1876. config_val->default_class0.full_xoff =
  1877. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1878. config_val->default_class0.full_xon =
  1879. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1880. /* Pause able */
  1881. config_val->pauseable_th.pause_xoff =
  1882. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1883. config_val->pauseable_th.pause_xon =
  1884. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1885. config_val->pauseable_th.full_xoff =
  1886. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1887. config_val->pauseable_th.full_xon =
  1888. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1889. /* Non pause able*/
  1890. config_val->non_pauseable_th.pause_xoff =
  1891. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1892. config_val->non_pauseable_th.pause_xon =
  1893. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1894. config_val->non_pauseable_th.full_xoff =
  1895. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1896. config_val->non_pauseable_th.full_xon =
  1897. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1898. } else if (CHIP_IS_E3B0(bp)) {
  1899. /* Class0 defaults */
  1900. config_val->default_class0.pause_xoff =
  1901. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1902. config_val->default_class0.pause_xon =
  1903. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1904. config_val->default_class0.full_xoff =
  1905. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1906. config_val->default_class0.full_xon =
  1907. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1908. if (params->phy[INT_PHY].flags &
  1909. FLAGS_4_PORT_MODE) {
  1910. config_val->pauseable_th.pause_xoff =
  1911. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1912. config_val->pauseable_th.pause_xon =
  1913. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1914. config_val->pauseable_th.full_xoff =
  1915. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1916. config_val->pauseable_th.full_xon =
  1917. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1918. /* Non pause able*/
  1919. config_val->non_pauseable_th.pause_xoff =
  1920. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1921. config_val->non_pauseable_th.pause_xon =
  1922. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1923. config_val->non_pauseable_th.full_xoff =
  1924. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1925. config_val->non_pauseable_th.full_xon =
  1926. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1927. } else {
  1928. config_val->pauseable_th.pause_xoff =
  1929. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1930. config_val->pauseable_th.pause_xon =
  1931. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1932. config_val->pauseable_th.full_xoff =
  1933. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1934. config_val->pauseable_th.full_xon =
  1935. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1936. /* Non pause able*/
  1937. config_val->non_pauseable_th.pause_xoff =
  1938. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1939. config_val->non_pauseable_th.pause_xon =
  1940. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1941. config_val->non_pauseable_th.full_xoff =
  1942. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1943. config_val->non_pauseable_th.full_xon =
  1944. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1945. }
  1946. } else
  1947. return -EINVAL;
  1948. return 0;
  1949. }
  1950. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1951. struct link_params *params,
  1952. struct bnx2x_pfc_brb_e3b0_val
  1953. *e3b0_val,
  1954. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1955. const u8 pfc_enabled)
  1956. {
  1957. if (pfc_enabled && pfc_params) {
  1958. e3b0_val->per_class_guaranty_mode = 1;
  1959. e3b0_val->lb_guarantied_hyst = 80;
  1960. if (params->phy[INT_PHY].flags &
  1961. FLAGS_4_PORT_MODE) {
  1962. e3b0_val->full_lb_xoff_th =
  1963. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1964. e3b0_val->full_lb_xon_threshold =
  1965. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1966. e3b0_val->lb_guarantied =
  1967. PFC_E3B0_4P_LB_GUART;
  1968. e3b0_val->mac_0_class_t_guarantied =
  1969. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1970. e3b0_val->mac_0_class_t_guarantied_hyst =
  1971. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1972. e3b0_val->mac_1_class_t_guarantied =
  1973. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1974. e3b0_val->mac_1_class_t_guarantied_hyst =
  1975. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1976. } else {
  1977. e3b0_val->full_lb_xoff_th =
  1978. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1979. e3b0_val->full_lb_xon_threshold =
  1980. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1981. e3b0_val->mac_0_class_t_guarantied_hyst =
  1982. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1983. e3b0_val->mac_1_class_t_guarantied =
  1984. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1985. e3b0_val->mac_1_class_t_guarantied_hyst =
  1986. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1987. if (pfc_params->cos0_pauseable !=
  1988. pfc_params->cos1_pauseable) {
  1989. /* Nonpauseable= Lossy + pauseable = Lossless*/
  1990. e3b0_val->lb_guarantied =
  1991. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1992. e3b0_val->mac_0_class_t_guarantied =
  1993. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1994. } else if (pfc_params->cos0_pauseable) {
  1995. /* Lossless +Lossless*/
  1996. e3b0_val->lb_guarantied =
  1997. PFC_E3B0_2P_PAUSE_LB_GUART;
  1998. e3b0_val->mac_0_class_t_guarantied =
  1999. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  2000. } else {
  2001. /* Lossy +Lossy*/
  2002. e3b0_val->lb_guarantied =
  2003. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  2004. e3b0_val->mac_0_class_t_guarantied =
  2005. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  2006. }
  2007. }
  2008. } else {
  2009. e3b0_val->per_class_guaranty_mode = 0;
  2010. e3b0_val->lb_guarantied_hyst = 0;
  2011. e3b0_val->full_lb_xoff_th =
  2012. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  2013. e3b0_val->full_lb_xon_threshold =
  2014. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  2015. e3b0_val->lb_guarantied =
  2016. DEFAULT_E3B0_LB_GUART;
  2017. e3b0_val->mac_0_class_t_guarantied =
  2018. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  2019. e3b0_val->mac_0_class_t_guarantied_hyst =
  2020. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  2021. e3b0_val->mac_1_class_t_guarantied =
  2022. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  2023. e3b0_val->mac_1_class_t_guarantied_hyst =
  2024. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  2025. }
  2026. }
  2027. static int bnx2x_update_pfc_brb(struct link_params *params,
  2028. struct link_vars *vars,
  2029. struct bnx2x_nig_brb_pfc_port_params
  2030. *pfc_params)
  2031. {
  2032. struct bnx2x *bp = params->bp;
  2033. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2034. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2035. &config_val.pauseable_th;
  2036. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2037. const int set_pfc = params->feature_config_flags &
  2038. FEATURE_CONFIG_PFC_ENABLED;
  2039. const u8 pfc_enabled = (set_pfc && pfc_params);
  2040. int bnx2x_status = 0;
  2041. u8 port = params->port;
  2042. /* default - pause configuration */
  2043. reg_th_config = &config_val.pauseable_th;
  2044. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2045. if (bnx2x_status)
  2046. return bnx2x_status;
  2047. if (pfc_enabled) {
  2048. /* First COS */
  2049. if (pfc_params->cos0_pauseable)
  2050. reg_th_config = &config_val.pauseable_th;
  2051. else
  2052. reg_th_config = &config_val.non_pauseable_th;
  2053. } else
  2054. reg_th_config = &config_val.default_class0;
  2055. /* The number of free blocks below which the pause signal to class 0
  2056. * of MAC #n is asserted. n=0,1
  2057. */
  2058. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2059. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2060. reg_th_config->pause_xoff);
  2061. /* The number of free blocks above which the pause signal to class 0
  2062. * of MAC #n is de-asserted. n=0,1
  2063. */
  2064. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2065. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2066. /* The number of free blocks below which the full signal to class 0
  2067. * of MAC #n is asserted. n=0,1
  2068. */
  2069. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2070. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2071. /* The number of free blocks above which the full signal to class 0
  2072. * of MAC #n is de-asserted. n=0,1
  2073. */
  2074. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2075. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2076. if (pfc_enabled) {
  2077. /* Second COS */
  2078. if (pfc_params->cos1_pauseable)
  2079. reg_th_config = &config_val.pauseable_th;
  2080. else
  2081. reg_th_config = &config_val.non_pauseable_th;
  2082. } else
  2083. reg_th_config = &config_val.default_class1;
  2084. /* The number of free blocks below which the pause signal to
  2085. * class 1 of MAC #n is asserted. n=0,1
  2086. */
  2087. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2088. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2089. reg_th_config->pause_xoff);
  2090. /* The number of free blocks above which the pause signal to
  2091. * class 1 of MAC #n is de-asserted. n=0,1
  2092. */
  2093. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2094. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2095. reg_th_config->pause_xon);
  2096. /* The number of free blocks below which the full signal to
  2097. * class 1 of MAC #n is asserted. n=0,1
  2098. */
  2099. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2100. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2101. reg_th_config->full_xoff);
  2102. /* The number of free blocks above which the full signal to
  2103. * class 1 of MAC #n is de-asserted. n=0,1
  2104. */
  2105. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2106. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2107. reg_th_config->full_xon);
  2108. if (CHIP_IS_E3B0(bp)) {
  2109. bnx2x_pfc_brb_get_e3b0_config_params(
  2110. params,
  2111. &e3b0_val,
  2112. pfc_params,
  2113. pfc_enabled);
  2114. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2115. e3b0_val.per_class_guaranty_mode);
  2116. /* The hysteresis on the guarantied buffer space for the Lb
  2117. * port before signaling XON.
  2118. */
  2119. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2120. e3b0_val.lb_guarantied_hyst);
  2121. /* The number of free blocks below which the full signal to the
  2122. * LB port is asserted.
  2123. */
  2124. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2125. e3b0_val.full_lb_xoff_th);
  2126. /* The number of free blocks above which the full signal to the
  2127. * LB port is de-asserted.
  2128. */
  2129. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2130. e3b0_val.full_lb_xon_threshold);
  2131. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2132. */
  2133. /* The number of blocks guarantied for the LB port. */
  2134. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2135. e3b0_val.lb_guarantied);
  2136. /* The number of blocks guarantied for the MAC #n port. */
  2137. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2138. 2 * e3b0_val.mac_0_class_t_guarantied);
  2139. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2140. 2 * e3b0_val.mac_1_class_t_guarantied);
  2141. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2142. */
  2143. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2144. e3b0_val.mac_0_class_t_guarantied);
  2145. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2146. e3b0_val.mac_0_class_t_guarantied);
  2147. /* The hysteresis on the guarantied buffer space for class in
  2148. * MAC0. t=0,1
  2149. */
  2150. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2151. e3b0_val.mac_0_class_t_guarantied_hyst);
  2152. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2153. e3b0_val.mac_0_class_t_guarantied_hyst);
  2154. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2155. */
  2156. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2157. e3b0_val.mac_1_class_t_guarantied);
  2158. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2159. e3b0_val.mac_1_class_t_guarantied);
  2160. /* The hysteresis on the guarantied buffer space for class #t
  2161. * in MAC1. t=0,1
  2162. */
  2163. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2164. e3b0_val.mac_1_class_t_guarantied_hyst);
  2165. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2166. e3b0_val.mac_1_class_t_guarantied_hyst);
  2167. }
  2168. return bnx2x_status;
  2169. }
  2170. /******************************************************************************
  2171. * Description:
  2172. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2173. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2174. ******************************************************************************/
  2175. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2176. u8 cos_entry,
  2177. u32 priority_mask, u8 port)
  2178. {
  2179. u32 nig_reg_rx_priority_mask_add = 0;
  2180. switch (cos_entry) {
  2181. case 0:
  2182. nig_reg_rx_priority_mask_add = (port) ?
  2183. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2184. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2185. break;
  2186. case 1:
  2187. nig_reg_rx_priority_mask_add = (port) ?
  2188. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2189. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2190. break;
  2191. case 2:
  2192. nig_reg_rx_priority_mask_add = (port) ?
  2193. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2194. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2195. break;
  2196. case 3:
  2197. if (port)
  2198. return -EINVAL;
  2199. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2200. break;
  2201. case 4:
  2202. if (port)
  2203. return -EINVAL;
  2204. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2205. break;
  2206. case 5:
  2207. if (port)
  2208. return -EINVAL;
  2209. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2210. break;
  2211. }
  2212. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2213. return 0;
  2214. }
  2215. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2216. {
  2217. struct bnx2x *bp = params->bp;
  2218. REG_WR(bp, params->shmem_base +
  2219. offsetof(struct shmem_region,
  2220. port_mb[params->port].link_status), link_status);
  2221. }
  2222. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2223. {
  2224. struct bnx2x *bp = params->bp;
  2225. if (bnx2x_eee_has_cap(params))
  2226. REG_WR(bp, params->shmem2_base +
  2227. offsetof(struct shmem2_region,
  2228. eee_status[params->port]), eee_status);
  2229. }
  2230. static void bnx2x_update_pfc_nig(struct link_params *params,
  2231. struct link_vars *vars,
  2232. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2233. {
  2234. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2235. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2236. u32 pkt_priority_to_cos = 0;
  2237. struct bnx2x *bp = params->bp;
  2238. u8 port = params->port;
  2239. int set_pfc = params->feature_config_flags &
  2240. FEATURE_CONFIG_PFC_ENABLED;
  2241. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2242. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2243. * MAC control frames (that are not pause packets)
  2244. * will be forwarded to the XCM.
  2245. */
  2246. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2247. NIG_REG_LLH0_XCM_MASK);
  2248. /* NIG params will override non PFC params, since it's possible to
  2249. * do transition from PFC to SAFC
  2250. */
  2251. if (set_pfc) {
  2252. pause_enable = 0;
  2253. llfc_out_en = 0;
  2254. llfc_enable = 0;
  2255. if (CHIP_IS_E3(bp))
  2256. ppp_enable = 0;
  2257. else
  2258. ppp_enable = 1;
  2259. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2260. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2261. xcm_out_en = 0;
  2262. hwpfc_enable = 1;
  2263. } else {
  2264. if (nig_params) {
  2265. llfc_out_en = nig_params->llfc_out_en;
  2266. llfc_enable = nig_params->llfc_enable;
  2267. pause_enable = nig_params->pause_enable;
  2268. } else /* Default non PFC mode - PAUSE */
  2269. pause_enable = 1;
  2270. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2271. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2272. xcm_out_en = 1;
  2273. }
  2274. if (CHIP_IS_E3(bp))
  2275. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2276. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2277. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2278. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2279. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2280. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2281. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2282. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2283. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2284. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2285. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2286. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2287. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2288. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2289. /* Output enable for RX_XCM # IF */
  2290. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2291. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2292. /* HW PFC TX enable */
  2293. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2294. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2295. if (nig_params) {
  2296. u8 i = 0;
  2297. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2298. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2299. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2300. nig_params->rx_cos_priority_mask[i], port);
  2301. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2302. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2303. nig_params->llfc_high_priority_classes);
  2304. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2305. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2306. nig_params->llfc_low_priority_classes);
  2307. }
  2308. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2309. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2310. pkt_priority_to_cos);
  2311. }
  2312. int bnx2x_update_pfc(struct link_params *params,
  2313. struct link_vars *vars,
  2314. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2315. {
  2316. /* The PFC and pause are orthogonal to one another, meaning when
  2317. * PFC is enabled, the pause are disabled, and when PFC is
  2318. * disabled, pause are set according to the pause result.
  2319. */
  2320. u32 val;
  2321. struct bnx2x *bp = params->bp;
  2322. int bnx2x_status = 0;
  2323. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2324. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2325. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2326. else
  2327. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2328. bnx2x_update_mng(params, vars->link_status);
  2329. /* Update NIG params */
  2330. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2331. /* Update BRB params */
  2332. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2333. if (bnx2x_status)
  2334. return bnx2x_status;
  2335. if (!vars->link_up)
  2336. return bnx2x_status;
  2337. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2338. if (CHIP_IS_E3(bp))
  2339. bnx2x_update_pfc_xmac(params, vars, 0);
  2340. else {
  2341. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2342. if ((val &
  2343. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2344. == 0) {
  2345. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2346. bnx2x_emac_enable(params, vars, 0);
  2347. return bnx2x_status;
  2348. }
  2349. if (CHIP_IS_E2(bp))
  2350. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2351. else
  2352. bnx2x_update_pfc_bmac1(params, vars);
  2353. val = 0;
  2354. if ((params->feature_config_flags &
  2355. FEATURE_CONFIG_PFC_ENABLED) ||
  2356. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2357. val = 1;
  2358. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2359. }
  2360. return bnx2x_status;
  2361. }
  2362. static int bnx2x_bmac1_enable(struct link_params *params,
  2363. struct link_vars *vars,
  2364. u8 is_lb)
  2365. {
  2366. struct bnx2x *bp = params->bp;
  2367. u8 port = params->port;
  2368. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2369. NIG_REG_INGRESS_BMAC0_MEM;
  2370. u32 wb_data[2];
  2371. u32 val;
  2372. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2373. /* XGXS control */
  2374. wb_data[0] = 0x3c;
  2375. wb_data[1] = 0;
  2376. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2377. wb_data, 2);
  2378. /* TX MAC SA */
  2379. wb_data[0] = ((params->mac_addr[2] << 24) |
  2380. (params->mac_addr[3] << 16) |
  2381. (params->mac_addr[4] << 8) |
  2382. params->mac_addr[5]);
  2383. wb_data[1] = ((params->mac_addr[0] << 8) |
  2384. params->mac_addr[1]);
  2385. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2386. /* MAC control */
  2387. val = 0x3;
  2388. if (is_lb) {
  2389. val |= 0x4;
  2390. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2391. }
  2392. wb_data[0] = val;
  2393. wb_data[1] = 0;
  2394. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2395. /* Set rx mtu */
  2396. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2397. wb_data[1] = 0;
  2398. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2399. bnx2x_update_pfc_bmac1(params, vars);
  2400. /* Set tx mtu */
  2401. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2402. wb_data[1] = 0;
  2403. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2404. /* Set cnt max size */
  2405. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2406. wb_data[1] = 0;
  2407. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2408. /* Configure SAFC */
  2409. wb_data[0] = 0x1000200;
  2410. wb_data[1] = 0;
  2411. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2412. wb_data, 2);
  2413. return 0;
  2414. }
  2415. static int bnx2x_bmac2_enable(struct link_params *params,
  2416. struct link_vars *vars,
  2417. u8 is_lb)
  2418. {
  2419. struct bnx2x *bp = params->bp;
  2420. u8 port = params->port;
  2421. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2422. NIG_REG_INGRESS_BMAC0_MEM;
  2423. u32 wb_data[2];
  2424. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2425. wb_data[0] = 0;
  2426. wb_data[1] = 0;
  2427. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2428. udelay(30);
  2429. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2430. wb_data[0] = 0x3c;
  2431. wb_data[1] = 0;
  2432. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2433. wb_data, 2);
  2434. udelay(30);
  2435. /* TX MAC SA */
  2436. wb_data[0] = ((params->mac_addr[2] << 24) |
  2437. (params->mac_addr[3] << 16) |
  2438. (params->mac_addr[4] << 8) |
  2439. params->mac_addr[5]);
  2440. wb_data[1] = ((params->mac_addr[0] << 8) |
  2441. params->mac_addr[1]);
  2442. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2443. wb_data, 2);
  2444. udelay(30);
  2445. /* Configure SAFC */
  2446. wb_data[0] = 0x1000200;
  2447. wb_data[1] = 0;
  2448. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2449. wb_data, 2);
  2450. udelay(30);
  2451. /* Set RX MTU */
  2452. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2453. wb_data[1] = 0;
  2454. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2455. udelay(30);
  2456. /* Set TX MTU */
  2457. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2458. wb_data[1] = 0;
  2459. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2460. udelay(30);
  2461. /* Set cnt max size */
  2462. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2463. wb_data[1] = 0;
  2464. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2465. udelay(30);
  2466. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2467. return 0;
  2468. }
  2469. static int bnx2x_bmac_enable(struct link_params *params,
  2470. struct link_vars *vars,
  2471. u8 is_lb)
  2472. {
  2473. int rc = 0;
  2474. u8 port = params->port;
  2475. struct bnx2x *bp = params->bp;
  2476. u32 val;
  2477. /* Reset and unreset the BigMac */
  2478. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2479. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2480. usleep_range(1000, 2000);
  2481. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2482. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2483. /* Enable access for bmac registers */
  2484. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2485. /* Enable BMAC according to BMAC type*/
  2486. if (CHIP_IS_E2(bp))
  2487. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2488. else
  2489. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2490. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2491. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2492. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2493. val = 0;
  2494. if ((params->feature_config_flags &
  2495. FEATURE_CONFIG_PFC_ENABLED) ||
  2496. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2497. val = 1;
  2498. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2499. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2500. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2501. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2502. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2503. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2504. vars->mac_type = MAC_TYPE_BMAC;
  2505. return rc;
  2506. }
  2507. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2508. {
  2509. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2510. NIG_REG_INGRESS_BMAC0_MEM;
  2511. u32 wb_data[2];
  2512. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2513. /* Only if the bmac is out of reset */
  2514. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2515. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2516. nig_bmac_enable) {
  2517. if (CHIP_IS_E2(bp)) {
  2518. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2519. REG_RD_DMAE(bp, bmac_addr +
  2520. BIGMAC2_REGISTER_BMAC_CONTROL,
  2521. wb_data, 2);
  2522. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2523. REG_WR_DMAE(bp, bmac_addr +
  2524. BIGMAC2_REGISTER_BMAC_CONTROL,
  2525. wb_data, 2);
  2526. } else {
  2527. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2528. REG_RD_DMAE(bp, bmac_addr +
  2529. BIGMAC_REGISTER_BMAC_CONTROL,
  2530. wb_data, 2);
  2531. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2532. REG_WR_DMAE(bp, bmac_addr +
  2533. BIGMAC_REGISTER_BMAC_CONTROL,
  2534. wb_data, 2);
  2535. }
  2536. usleep_range(1000, 2000);
  2537. }
  2538. }
  2539. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2540. u32 line_speed)
  2541. {
  2542. struct bnx2x *bp = params->bp;
  2543. u8 port = params->port;
  2544. u32 init_crd, crd;
  2545. u32 count = 1000;
  2546. /* Disable port */
  2547. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2548. /* Wait for init credit */
  2549. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2550. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2551. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2552. while ((init_crd != crd) && count) {
  2553. usleep_range(5000, 10000);
  2554. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2555. count--;
  2556. }
  2557. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2558. if (init_crd != crd) {
  2559. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2560. init_crd, crd);
  2561. return -EINVAL;
  2562. }
  2563. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2564. line_speed == SPEED_10 ||
  2565. line_speed == SPEED_100 ||
  2566. line_speed == SPEED_1000 ||
  2567. line_speed == SPEED_2500) {
  2568. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2569. /* Update threshold */
  2570. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2571. /* Update init credit */
  2572. init_crd = 778; /* (800-18-4) */
  2573. } else {
  2574. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2575. ETH_OVREHEAD)/16;
  2576. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2577. /* Update threshold */
  2578. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2579. /* Update init credit */
  2580. switch (line_speed) {
  2581. case SPEED_10000:
  2582. init_crd = thresh + 553 - 22;
  2583. break;
  2584. default:
  2585. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2586. line_speed);
  2587. return -EINVAL;
  2588. }
  2589. }
  2590. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2591. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2592. line_speed, init_crd);
  2593. /* Probe the credit changes */
  2594. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2595. usleep_range(5000, 10000);
  2596. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2597. /* Enable port */
  2598. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2599. return 0;
  2600. }
  2601. /**
  2602. * bnx2x_get_emac_base - retrive emac base address
  2603. *
  2604. * @bp: driver handle
  2605. * @mdc_mdio_access: access type
  2606. * @port: port id
  2607. *
  2608. * This function selects the MDC/MDIO access (through emac0 or
  2609. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2610. * phy has a default access mode, which could also be overridden
  2611. * by nvram configuration. This parameter, whether this is the
  2612. * default phy configuration, or the nvram overrun
  2613. * configuration, is passed here as mdc_mdio_access and selects
  2614. * the emac_base for the CL45 read/writes operations
  2615. */
  2616. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2617. u32 mdc_mdio_access, u8 port)
  2618. {
  2619. u32 emac_base = 0;
  2620. switch (mdc_mdio_access) {
  2621. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2622. break;
  2623. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2624. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2625. emac_base = GRCBASE_EMAC1;
  2626. else
  2627. emac_base = GRCBASE_EMAC0;
  2628. break;
  2629. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2630. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2631. emac_base = GRCBASE_EMAC0;
  2632. else
  2633. emac_base = GRCBASE_EMAC1;
  2634. break;
  2635. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2636. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2637. break;
  2638. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2639. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2640. break;
  2641. default:
  2642. break;
  2643. }
  2644. return emac_base;
  2645. }
  2646. /******************************************************************/
  2647. /* CL22 access functions */
  2648. /******************************************************************/
  2649. static int bnx2x_cl22_write(struct bnx2x *bp,
  2650. struct bnx2x_phy *phy,
  2651. u16 reg, u16 val)
  2652. {
  2653. u32 tmp, mode;
  2654. u8 i;
  2655. int rc = 0;
  2656. /* Switch to CL22 */
  2657. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2658. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2659. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2660. /* Address */
  2661. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2662. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2663. EMAC_MDIO_COMM_START_BUSY);
  2664. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2665. for (i = 0; i < 50; i++) {
  2666. udelay(10);
  2667. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2668. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2669. udelay(5);
  2670. break;
  2671. }
  2672. }
  2673. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2674. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2675. rc = -EFAULT;
  2676. }
  2677. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2678. return rc;
  2679. }
  2680. static int bnx2x_cl22_read(struct bnx2x *bp,
  2681. struct bnx2x_phy *phy,
  2682. u16 reg, u16 *ret_val)
  2683. {
  2684. u32 val, mode;
  2685. u16 i;
  2686. int rc = 0;
  2687. /* Switch to CL22 */
  2688. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2689. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2690. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2691. /* Address */
  2692. val = ((phy->addr << 21) | (reg << 16) |
  2693. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2694. EMAC_MDIO_COMM_START_BUSY);
  2695. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2696. for (i = 0; i < 50; i++) {
  2697. udelay(10);
  2698. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2699. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2700. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2701. udelay(5);
  2702. break;
  2703. }
  2704. }
  2705. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2706. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2707. *ret_val = 0;
  2708. rc = -EFAULT;
  2709. }
  2710. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2711. return rc;
  2712. }
  2713. /******************************************************************/
  2714. /* CL45 access functions */
  2715. /******************************************************************/
  2716. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2717. u8 devad, u16 reg, u16 *ret_val)
  2718. {
  2719. u32 val;
  2720. u16 i;
  2721. int rc = 0;
  2722. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2723. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2724. EMAC_MDIO_STATUS_10MB);
  2725. /* Address */
  2726. val = ((phy->addr << 21) | (devad << 16) | reg |
  2727. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2728. EMAC_MDIO_COMM_START_BUSY);
  2729. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2730. for (i = 0; i < 50; i++) {
  2731. udelay(10);
  2732. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2733. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2734. udelay(5);
  2735. break;
  2736. }
  2737. }
  2738. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2739. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2740. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2741. *ret_val = 0;
  2742. rc = -EFAULT;
  2743. } else {
  2744. /* Data */
  2745. val = ((phy->addr << 21) | (devad << 16) |
  2746. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2747. EMAC_MDIO_COMM_START_BUSY);
  2748. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2749. for (i = 0; i < 50; i++) {
  2750. udelay(10);
  2751. val = REG_RD(bp, phy->mdio_ctrl +
  2752. EMAC_REG_EMAC_MDIO_COMM);
  2753. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2754. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2755. break;
  2756. }
  2757. }
  2758. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2759. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2760. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2761. *ret_val = 0;
  2762. rc = -EFAULT;
  2763. }
  2764. }
  2765. /* Work around for E3 A0 */
  2766. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2767. phy->flags ^= FLAGS_DUMMY_READ;
  2768. if (phy->flags & FLAGS_DUMMY_READ) {
  2769. u16 temp_val;
  2770. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2771. }
  2772. }
  2773. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2774. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2775. EMAC_MDIO_STATUS_10MB);
  2776. return rc;
  2777. }
  2778. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2779. u8 devad, u16 reg, u16 val)
  2780. {
  2781. u32 tmp;
  2782. u8 i;
  2783. int rc = 0;
  2784. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2785. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2786. EMAC_MDIO_STATUS_10MB);
  2787. /* Address */
  2788. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2789. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2790. EMAC_MDIO_COMM_START_BUSY);
  2791. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2792. for (i = 0; i < 50; i++) {
  2793. udelay(10);
  2794. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2795. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2796. udelay(5);
  2797. break;
  2798. }
  2799. }
  2800. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2801. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2802. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2803. rc = -EFAULT;
  2804. } else {
  2805. /* Data */
  2806. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2807. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2808. EMAC_MDIO_COMM_START_BUSY);
  2809. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2810. for (i = 0; i < 50; i++) {
  2811. udelay(10);
  2812. tmp = REG_RD(bp, phy->mdio_ctrl +
  2813. EMAC_REG_EMAC_MDIO_COMM);
  2814. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2815. udelay(5);
  2816. break;
  2817. }
  2818. }
  2819. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2820. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2821. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2822. rc = -EFAULT;
  2823. }
  2824. }
  2825. /* Work around for E3 A0 */
  2826. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2827. phy->flags ^= FLAGS_DUMMY_READ;
  2828. if (phy->flags & FLAGS_DUMMY_READ) {
  2829. u16 temp_val;
  2830. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2831. }
  2832. }
  2833. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2834. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2835. EMAC_MDIO_STATUS_10MB);
  2836. return rc;
  2837. }
  2838. /******************************************************************/
  2839. /* BSC access functions from E3 */
  2840. /******************************************************************/
  2841. static void bnx2x_bsc_module_sel(struct link_params *params)
  2842. {
  2843. int idx;
  2844. u32 board_cfg, sfp_ctrl;
  2845. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2846. struct bnx2x *bp = params->bp;
  2847. u8 port = params->port;
  2848. /* Read I2C output PINs */
  2849. board_cfg = REG_RD(bp, params->shmem_base +
  2850. offsetof(struct shmem_region,
  2851. dev_info.shared_hw_config.board));
  2852. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2853. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2854. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2855. /* Read I2C output value */
  2856. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2857. offsetof(struct shmem_region,
  2858. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2859. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2860. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2861. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2862. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2863. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2864. }
  2865. static int bnx2x_bsc_read(struct link_params *params,
  2866. struct bnx2x_phy *phy,
  2867. u8 sl_devid,
  2868. u16 sl_addr,
  2869. u8 lc_addr,
  2870. u8 xfer_cnt,
  2871. u32 *data_array)
  2872. {
  2873. u32 val, i;
  2874. int rc = 0;
  2875. struct bnx2x *bp = params->bp;
  2876. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2877. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2878. return -EINVAL;
  2879. }
  2880. if (xfer_cnt > 16) {
  2881. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2882. xfer_cnt);
  2883. return -EINVAL;
  2884. }
  2885. bnx2x_bsc_module_sel(params);
  2886. xfer_cnt = 16 - lc_addr;
  2887. /* Enable the engine */
  2888. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2889. val |= MCPR_IMC_COMMAND_ENABLE;
  2890. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2891. /* Program slave device ID */
  2892. val = (sl_devid << 16) | sl_addr;
  2893. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2894. /* Start xfer with 0 byte to update the address pointer ???*/
  2895. val = (MCPR_IMC_COMMAND_ENABLE) |
  2896. (MCPR_IMC_COMMAND_WRITE_OP <<
  2897. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2898. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2899. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2900. /* Poll for completion */
  2901. i = 0;
  2902. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2903. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2904. udelay(10);
  2905. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2906. if (i++ > 1000) {
  2907. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2908. i);
  2909. rc = -EFAULT;
  2910. break;
  2911. }
  2912. }
  2913. if (rc == -EFAULT)
  2914. return rc;
  2915. /* Start xfer with read op */
  2916. val = (MCPR_IMC_COMMAND_ENABLE) |
  2917. (MCPR_IMC_COMMAND_READ_OP <<
  2918. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2919. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2920. (xfer_cnt);
  2921. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2922. /* Poll for completion */
  2923. i = 0;
  2924. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2925. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2926. udelay(10);
  2927. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2928. if (i++ > 1000) {
  2929. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2930. rc = -EFAULT;
  2931. break;
  2932. }
  2933. }
  2934. if (rc == -EFAULT)
  2935. return rc;
  2936. for (i = (lc_addr >> 2); i < 4; i++) {
  2937. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2938. #ifdef __BIG_ENDIAN
  2939. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2940. ((data_array[i] & 0x0000ff00) << 8) |
  2941. ((data_array[i] & 0x00ff0000) >> 8) |
  2942. ((data_array[i] & 0xff000000) >> 24);
  2943. #endif
  2944. }
  2945. return rc;
  2946. }
  2947. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2948. u8 devad, u16 reg, u16 or_val)
  2949. {
  2950. u16 val;
  2951. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2952. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2953. }
  2954. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2955. u8 devad, u16 reg, u16 *ret_val)
  2956. {
  2957. u8 phy_index;
  2958. /* Probe for the phy according to the given phy_addr, and execute
  2959. * the read request on it
  2960. */
  2961. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2962. if (params->phy[phy_index].addr == phy_addr) {
  2963. return bnx2x_cl45_read(params->bp,
  2964. &params->phy[phy_index], devad,
  2965. reg, ret_val);
  2966. }
  2967. }
  2968. return -EINVAL;
  2969. }
  2970. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2971. u8 devad, u16 reg, u16 val)
  2972. {
  2973. u8 phy_index;
  2974. /* Probe for the phy according to the given phy_addr, and execute
  2975. * the write request on it
  2976. */
  2977. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2978. if (params->phy[phy_index].addr == phy_addr) {
  2979. return bnx2x_cl45_write(params->bp,
  2980. &params->phy[phy_index], devad,
  2981. reg, val);
  2982. }
  2983. }
  2984. return -EINVAL;
  2985. }
  2986. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2987. struct link_params *params)
  2988. {
  2989. u8 lane = 0;
  2990. struct bnx2x *bp = params->bp;
  2991. u32 path_swap, path_swap_ovr;
  2992. u8 path, port;
  2993. path = BP_PATH(bp);
  2994. port = params->port;
  2995. if (bnx2x_is_4_port_mode(bp)) {
  2996. u32 port_swap, port_swap_ovr;
  2997. /* Figure out path swap value */
  2998. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2999. if (path_swap_ovr & 0x1)
  3000. path_swap = (path_swap_ovr & 0x2);
  3001. else
  3002. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3003. if (path_swap)
  3004. path = path ^ 1;
  3005. /* Figure out port swap value */
  3006. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3007. if (port_swap_ovr & 0x1)
  3008. port_swap = (port_swap_ovr & 0x2);
  3009. else
  3010. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3011. if (port_swap)
  3012. port = port ^ 1;
  3013. lane = (port<<1) + path;
  3014. } else { /* Two port mode - no port swap */
  3015. /* Figure out path swap value */
  3016. path_swap_ovr =
  3017. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3018. if (path_swap_ovr & 0x1) {
  3019. path_swap = (path_swap_ovr & 0x2);
  3020. } else {
  3021. path_swap =
  3022. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3023. }
  3024. if (path_swap)
  3025. path = path ^ 1;
  3026. lane = path << 1 ;
  3027. }
  3028. return lane;
  3029. }
  3030. static void bnx2x_set_aer_mmd(struct link_params *params,
  3031. struct bnx2x_phy *phy)
  3032. {
  3033. u32 ser_lane;
  3034. u16 offset, aer_val;
  3035. struct bnx2x *bp = params->bp;
  3036. ser_lane = ((params->lane_config &
  3037. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3038. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3039. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3040. (phy->addr + ser_lane) : 0;
  3041. if (USES_WARPCORE(bp)) {
  3042. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3043. /* In Dual-lane mode, two lanes are joined together,
  3044. * so in order to configure them, the AER broadcast method is
  3045. * used here.
  3046. * 0x200 is the broadcast address for lanes 0,1
  3047. * 0x201 is the broadcast address for lanes 2,3
  3048. */
  3049. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3050. aer_val = (aer_val >> 1) | 0x200;
  3051. } else if (CHIP_IS_E2(bp))
  3052. aer_val = 0x3800 + offset - 1;
  3053. else
  3054. aer_val = 0x3800 + offset;
  3055. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3056. MDIO_AER_BLOCK_AER_REG, aer_val);
  3057. }
  3058. /******************************************************************/
  3059. /* Internal phy section */
  3060. /******************************************************************/
  3061. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3062. {
  3063. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3064. /* Set Clause 22 */
  3065. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3066. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3067. udelay(500);
  3068. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3069. udelay(500);
  3070. /* Set Clause 45 */
  3071. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3072. }
  3073. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3074. {
  3075. u32 val;
  3076. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3077. val = SERDES_RESET_BITS << (port*16);
  3078. /* Reset and unreset the SerDes/XGXS */
  3079. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3080. udelay(500);
  3081. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3082. bnx2x_set_serdes_access(bp, port);
  3083. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3084. DEFAULT_PHY_DEV_ADDR);
  3085. }
  3086. static void bnx2x_xgxs_deassert(struct link_params *params)
  3087. {
  3088. struct bnx2x *bp = params->bp;
  3089. u8 port;
  3090. u32 val;
  3091. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3092. port = params->port;
  3093. val = XGXS_RESET_BITS << (port*16);
  3094. /* Reset and unreset the SerDes/XGXS */
  3095. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3096. udelay(500);
  3097. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3098. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3099. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3100. params->phy[INT_PHY].def_md_devad);
  3101. }
  3102. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3103. struct link_params *params, u16 *ieee_fc)
  3104. {
  3105. struct bnx2x *bp = params->bp;
  3106. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3107. /* Resolve pause mode and advertisement Please refer to Table
  3108. * 28B-3 of the 802.3ab-1999 spec
  3109. */
  3110. switch (phy->req_flow_ctrl) {
  3111. case BNX2X_FLOW_CTRL_AUTO:
  3112. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3113. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3114. else
  3115. *ieee_fc |=
  3116. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3117. break;
  3118. case BNX2X_FLOW_CTRL_TX:
  3119. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3120. break;
  3121. case BNX2X_FLOW_CTRL_RX:
  3122. case BNX2X_FLOW_CTRL_BOTH:
  3123. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3124. break;
  3125. case BNX2X_FLOW_CTRL_NONE:
  3126. default:
  3127. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3128. break;
  3129. }
  3130. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3131. }
  3132. static void set_phy_vars(struct link_params *params,
  3133. struct link_vars *vars)
  3134. {
  3135. struct bnx2x *bp = params->bp;
  3136. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3137. u8 phy_config_swapped = params->multi_phy_config &
  3138. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3139. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3140. phy_index++) {
  3141. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3142. actual_phy_idx = phy_index;
  3143. if (phy_config_swapped) {
  3144. if (phy_index == EXT_PHY1)
  3145. actual_phy_idx = EXT_PHY2;
  3146. else if (phy_index == EXT_PHY2)
  3147. actual_phy_idx = EXT_PHY1;
  3148. }
  3149. params->phy[actual_phy_idx].req_flow_ctrl =
  3150. params->req_flow_ctrl[link_cfg_idx];
  3151. params->phy[actual_phy_idx].req_line_speed =
  3152. params->req_line_speed[link_cfg_idx];
  3153. params->phy[actual_phy_idx].speed_cap_mask =
  3154. params->speed_cap_mask[link_cfg_idx];
  3155. params->phy[actual_phy_idx].req_duplex =
  3156. params->req_duplex[link_cfg_idx];
  3157. if (params->req_line_speed[link_cfg_idx] ==
  3158. SPEED_AUTO_NEG)
  3159. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3160. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3161. " speed_cap_mask %x\n",
  3162. params->phy[actual_phy_idx].req_flow_ctrl,
  3163. params->phy[actual_phy_idx].req_line_speed,
  3164. params->phy[actual_phy_idx].speed_cap_mask);
  3165. }
  3166. }
  3167. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3168. struct bnx2x_phy *phy,
  3169. struct link_vars *vars)
  3170. {
  3171. u16 val;
  3172. struct bnx2x *bp = params->bp;
  3173. /* Read modify write pause advertizing */
  3174. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3175. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3176. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3177. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3178. if ((vars->ieee_fc &
  3179. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3180. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3181. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3182. }
  3183. if ((vars->ieee_fc &
  3184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3185. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3186. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3187. }
  3188. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3189. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3190. }
  3191. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3192. { /* LD LP */
  3193. switch (pause_result) { /* ASYM P ASYM P */
  3194. case 0xb: /* 1 0 1 1 */
  3195. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3196. break;
  3197. case 0xe: /* 1 1 1 0 */
  3198. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3199. break;
  3200. case 0x5: /* 0 1 0 1 */
  3201. case 0x7: /* 0 1 1 1 */
  3202. case 0xd: /* 1 1 0 1 */
  3203. case 0xf: /* 1 1 1 1 */
  3204. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3205. break;
  3206. default:
  3207. break;
  3208. }
  3209. if (pause_result & (1<<0))
  3210. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3211. if (pause_result & (1<<1))
  3212. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3213. }
  3214. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3215. struct link_params *params,
  3216. struct link_vars *vars)
  3217. {
  3218. u16 ld_pause; /* local */
  3219. u16 lp_pause; /* link partner */
  3220. u16 pause_result;
  3221. struct bnx2x *bp = params->bp;
  3222. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3223. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3224. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3225. } else if (CHIP_IS_E3(bp) &&
  3226. SINGLE_MEDIA_DIRECT(params)) {
  3227. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3228. u16 gp_status, gp_mask;
  3229. bnx2x_cl45_read(bp, phy,
  3230. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3231. &gp_status);
  3232. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3233. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3234. lane;
  3235. if ((gp_status & gp_mask) == gp_mask) {
  3236. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3237. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3238. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3239. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3240. } else {
  3241. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3242. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3243. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3244. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3245. ld_pause = ((ld_pause &
  3246. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3247. << 3);
  3248. lp_pause = ((lp_pause &
  3249. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3250. << 3);
  3251. }
  3252. } else {
  3253. bnx2x_cl45_read(bp, phy,
  3254. MDIO_AN_DEVAD,
  3255. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3256. bnx2x_cl45_read(bp, phy,
  3257. MDIO_AN_DEVAD,
  3258. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3259. }
  3260. pause_result = (ld_pause &
  3261. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3262. pause_result |= (lp_pause &
  3263. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3264. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3265. bnx2x_pause_resolve(vars, pause_result);
  3266. }
  3267. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3268. struct link_params *params,
  3269. struct link_vars *vars)
  3270. {
  3271. u8 ret = 0;
  3272. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3273. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3274. /* Update the advertised flow-controled of LD/LP in AN */
  3275. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3276. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3277. /* But set the flow-control result as the requested one */
  3278. vars->flow_ctrl = phy->req_flow_ctrl;
  3279. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3280. vars->flow_ctrl = params->req_fc_auto_adv;
  3281. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3282. ret = 1;
  3283. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3284. }
  3285. return ret;
  3286. }
  3287. /******************************************************************/
  3288. /* Warpcore section */
  3289. /******************************************************************/
  3290. /* The init_internal_warpcore should mirror the xgxs,
  3291. * i.e. reset the lane (if needed), set aer for the
  3292. * init configuration, and set/clear SGMII flag. Internal
  3293. * phy init is done purely in phy_init stage.
  3294. */
  3295. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3296. struct link_params *params,
  3297. struct link_vars *vars) {
  3298. u16 val16 = 0, lane, i;
  3299. struct bnx2x *bp = params->bp;
  3300. static struct bnx2x_reg_set reg_set[] = {
  3301. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3302. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3303. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
  3304. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3305. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3306. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3307. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3308. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3309. /* Disable Autoneg: re-enable it after adv is done. */
  3310. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3311. };
  3312. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3313. /* Set to default registers that may be overriden by 10G force */
  3314. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3315. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3316. reg_set[i].val);
  3317. /* Check adding advertisement for 1G KX */
  3318. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3319. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3320. (vars->line_speed == SPEED_1000)) {
  3321. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3322. val16 |= (1<<5);
  3323. /* Enable CL37 1G Parallel Detect */
  3324. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3325. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3326. }
  3327. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3328. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3329. (vars->line_speed == SPEED_10000)) {
  3330. /* Check adding advertisement for 10G KR */
  3331. val16 |= (1<<7);
  3332. /* Enable 10G Parallel Detect */
  3333. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3334. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3335. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3336. }
  3337. /* Set Transmit PMD settings */
  3338. lane = bnx2x_get_warpcore_lane(phy, params);
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3341. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3342. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3343. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3346. 0x03f0);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3349. 0x03f0);
  3350. /* Advertised speeds */
  3351. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3352. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3353. /* Advertised and set FEC (Forward Error Correction) */
  3354. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3355. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3356. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3357. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3358. /* Enable CL37 BAM */
  3359. if (REG_RD(bp, params->shmem_base +
  3360. offsetof(struct shmem_region, dev_info.
  3361. port_hw_config[params->port].default_cfg)) &
  3362. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3363. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3365. 1);
  3366. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3367. }
  3368. /* Advertise pause */
  3369. bnx2x_ext_phy_set_pause(params, phy, vars);
  3370. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3371. */
  3372. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3374. if (val16 < 0xd108) {
  3375. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3376. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3377. }
  3378. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3380. /* Over 1G - AN local device user page 1 */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3383. /* Enable Autoneg */
  3384. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3385. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3386. }
  3387. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3388. struct link_params *params,
  3389. struct link_vars *vars)
  3390. {
  3391. struct bnx2x *bp = params->bp;
  3392. u16 i;
  3393. static struct bnx2x_reg_set reg_set[] = {
  3394. /* Disable Autoneg */
  3395. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3396. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3397. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3398. 0x3f00},
  3399. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3400. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3402. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3403. /* Disable CL36 PCS Tx */
  3404. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3405. /* Double Wide Single Data Rate @ pll rate */
  3406. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3407. /* Leave cl72 training enable, needed for KR */
  3408. {MDIO_PMA_DEVAD,
  3409. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3410. 0x2}
  3411. };
  3412. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3413. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3414. reg_set[i].val);
  3415. /* Leave CL72 enabled */
  3416. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3418. 0x3800);
  3419. /* Set speed via PMA/PMD register */
  3420. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3421. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3422. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3423. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3424. /* Enable encoded forced speed */
  3425. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3427. /* Turn TX scramble payload only the 64/66 scrambler */
  3428. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3430. /* Turn RX scramble payload only the 64/66 scrambler */
  3431. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3433. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3434. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3436. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3438. }
  3439. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3440. struct link_params *params,
  3441. u8 is_xfi)
  3442. {
  3443. struct bnx2x *bp = params->bp;
  3444. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3445. /* Hold rxSeqStart */
  3446. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3448. /* Hold tx_fifo_reset */
  3449. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3451. /* Disable CL73 AN */
  3452. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3453. /* Disable 100FX Enable and Auto-Detect */
  3454. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_FX100_CTRL1, &val);
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3458. /* Disable 100FX Idle detect */
  3459. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3461. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3462. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3464. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3466. /* Turn off auto-detect & fiber mode */
  3467. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3471. (val & 0xFFEE));
  3472. /* Set filter_force_link, disable_false_link and parallel_detect */
  3473. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3475. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3477. ((val | 0x0006) & 0xFFFE));
  3478. /* Set XFI / SFI */
  3479. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3481. misc1_val &= ~(0x1f);
  3482. if (is_xfi) {
  3483. misc1_val |= 0x5;
  3484. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3485. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3486. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3487. tx_driver_val =
  3488. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3489. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3490. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3491. } else {
  3492. misc1_val |= 0x9;
  3493. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3494. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3495. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3496. tx_driver_val =
  3497. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3498. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3499. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3500. }
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3503. /* Set Transmit PMD settings */
  3504. lane = bnx2x_get_warpcore_lane(phy, params);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_TX_FIR_TAP,
  3507. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3510. tx_driver_val);
  3511. /* Enable fiber mode, enable and invert sig_det */
  3512. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3514. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3515. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3517. /* Enable LPI pass through */
  3518. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_EEE_COMBO_CONTROL0,
  3521. 0x7c);
  3522. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3524. /* 10G XFI Full Duplex */
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3527. /* Release tx_fifo_reset */
  3528. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3532. /* Release rxSeqStart */
  3533. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3537. }
  3538. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3539. struct bnx2x_phy *phy)
  3540. {
  3541. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3542. }
  3543. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3544. struct bnx2x_phy *phy,
  3545. u16 lane)
  3546. {
  3547. /* Rx0 anaRxControl1G */
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3550. /* Rx2 anaRxControl1G */
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3559. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3561. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3565. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3569. /* Serdes Digital Misc1 */
  3570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3572. /* Serdes Digital4 Misc3 */
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3575. /* Set Transmit PMD settings */
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_TX_FIR_TAP,
  3578. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3579. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3580. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3581. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3584. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3585. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3586. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3587. }
  3588. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3589. struct link_params *params,
  3590. u8 fiber_mode,
  3591. u8 always_autoneg)
  3592. {
  3593. struct bnx2x *bp = params->bp;
  3594. u16 val16, digctrl_kx1, digctrl_kx2;
  3595. /* Clear XFI clock comp in non-10G single lane mode. */
  3596. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_RX66_CONTROL, &val16);
  3598. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3600. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3601. /* SGMII Autoneg */
  3602. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3604. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3605. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3606. val16 | 0x1000);
  3607. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3608. } else {
  3609. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3611. val16 &= 0xcebf;
  3612. switch (phy->req_line_speed) {
  3613. case SPEED_10:
  3614. break;
  3615. case SPEED_100:
  3616. val16 |= 0x2000;
  3617. break;
  3618. case SPEED_1000:
  3619. val16 |= 0x0040;
  3620. break;
  3621. default:
  3622. DP(NETIF_MSG_LINK,
  3623. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3624. return;
  3625. }
  3626. if (phy->req_duplex == DUPLEX_FULL)
  3627. val16 |= 0x0100;
  3628. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3630. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3631. phy->req_line_speed);
  3632. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3634. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3635. }
  3636. /* SGMII Slave mode and disable signal detect */
  3637. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3639. if (fiber_mode)
  3640. digctrl_kx1 = 1;
  3641. else
  3642. digctrl_kx1 &= 0xff4a;
  3643. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3644. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3645. digctrl_kx1);
  3646. /* Turn off parallel detect */
  3647. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3649. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3651. (digctrl_kx2 & ~(1<<2)));
  3652. /* Re-enable parallel detect */
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3655. (digctrl_kx2 | (1<<2)));
  3656. /* Enable autodet */
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3659. (digctrl_kx1 | 0x10));
  3660. }
  3661. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3662. struct bnx2x_phy *phy,
  3663. u8 reset)
  3664. {
  3665. u16 val;
  3666. /* Take lane out of reset after configuration is finished */
  3667. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3668. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3669. if (reset)
  3670. val |= 0xC000;
  3671. else
  3672. val &= 0x3FFF;
  3673. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3674. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3675. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3676. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3677. }
  3678. /* Clear SFI/XFI link settings registers */
  3679. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3680. struct link_params *params,
  3681. u16 lane)
  3682. {
  3683. struct bnx2x *bp = params->bp;
  3684. u16 i;
  3685. static struct bnx2x_reg_set wc_regs[] = {
  3686. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3690. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3691. 0x0195},
  3692. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3693. 0x0007},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3695. 0x0002},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3699. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3700. };
  3701. /* Set XFI clock comp as default. */
  3702. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3704. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3705. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3706. wc_regs[i].val);
  3707. lane = bnx2x_get_warpcore_lane(phy, params);
  3708. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3710. }
  3711. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3712. u32 chip_id,
  3713. u32 shmem_base, u8 port,
  3714. u8 *gpio_num, u8 *gpio_port)
  3715. {
  3716. u32 cfg_pin;
  3717. *gpio_num = 0;
  3718. *gpio_port = 0;
  3719. if (CHIP_IS_E3(bp)) {
  3720. cfg_pin = (REG_RD(bp, shmem_base +
  3721. offsetof(struct shmem_region,
  3722. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3723. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3724. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3725. /* Should not happen. This function called upon interrupt
  3726. * triggered by GPIO ( since EPIO can only generate interrupts
  3727. * to MCP).
  3728. * So if this function was called and none of the GPIOs was set,
  3729. * it means the shit hit the fan.
  3730. */
  3731. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3732. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3733. DP(NETIF_MSG_LINK,
  3734. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3735. cfg_pin);
  3736. return -EINVAL;
  3737. }
  3738. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3739. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3740. } else {
  3741. *gpio_num = MISC_REGISTERS_GPIO_3;
  3742. *gpio_port = port;
  3743. }
  3744. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3745. return 0;
  3746. }
  3747. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3748. struct link_params *params)
  3749. {
  3750. struct bnx2x *bp = params->bp;
  3751. u8 gpio_num, gpio_port;
  3752. u32 gpio_val;
  3753. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3754. params->shmem_base, params->port,
  3755. &gpio_num, &gpio_port) != 0)
  3756. return 0;
  3757. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3758. /* Call the handling function in case module is detected */
  3759. if (gpio_val == 0)
  3760. return 1;
  3761. else
  3762. return 0;
  3763. }
  3764. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3765. struct link_params *params)
  3766. {
  3767. u16 gp2_status_reg0, lane;
  3768. struct bnx2x *bp = params->bp;
  3769. lane = bnx2x_get_warpcore_lane(phy, params);
  3770. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3771. &gp2_status_reg0);
  3772. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3773. }
  3774. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3775. struct link_params *params,
  3776. struct link_vars *vars)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u32 serdes_net_if;
  3780. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3781. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3782. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3783. if (!vars->turn_to_run_wc_rt)
  3784. return;
  3785. /* Return if there is no link partner */
  3786. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3787. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3788. return;
  3789. }
  3790. if (vars->rx_tx_asic_rst) {
  3791. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3792. offsetof(struct shmem_region, dev_info.
  3793. port_hw_config[params->port].default_cfg)) &
  3794. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3795. switch (serdes_net_if) {
  3796. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3797. /* Do we get link yet? */
  3798. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3799. &gp_status1);
  3800. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3801. /*10G KR*/
  3802. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3803. DP(NETIF_MSG_LINK,
  3804. "gp_status1 0x%x\n", gp_status1);
  3805. if (lnkup_kr || lnkup) {
  3806. vars->rx_tx_asic_rst = 0;
  3807. DP(NETIF_MSG_LINK,
  3808. "link up, rx_tx_asic_rst 0x%x\n",
  3809. vars->rx_tx_asic_rst);
  3810. } else {
  3811. /* Reset the lane to see if link comes up.*/
  3812. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3813. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3814. /* Restart Autoneg */
  3815. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3816. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3817. vars->rx_tx_asic_rst--;
  3818. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3819. vars->rx_tx_asic_rst);
  3820. }
  3821. break;
  3822. default:
  3823. break;
  3824. }
  3825. } /*params->rx_tx_asic_rst*/
  3826. }
  3827. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3828. struct link_params *params)
  3829. {
  3830. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3831. struct bnx2x *bp = params->bp;
  3832. bnx2x_warpcore_clear_regs(phy, params, lane);
  3833. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3834. SPEED_10000) &&
  3835. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3836. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3837. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3838. } else {
  3839. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3840. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3841. }
  3842. }
  3843. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3844. struct link_params *params,
  3845. struct link_vars *vars)
  3846. {
  3847. struct bnx2x *bp = params->bp;
  3848. u32 serdes_net_if;
  3849. u8 fiber_mode;
  3850. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3851. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3852. offsetof(struct shmem_region, dev_info.
  3853. port_hw_config[params->port].default_cfg)) &
  3854. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3855. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3856. "serdes_net_if = 0x%x\n",
  3857. vars->line_speed, serdes_net_if);
  3858. bnx2x_set_aer_mmd(params, phy);
  3859. vars->phy_flags |= PHY_XGXS_FLAG;
  3860. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3861. (phy->req_line_speed &&
  3862. ((phy->req_line_speed == SPEED_100) ||
  3863. (phy->req_line_speed == SPEED_10)))) {
  3864. vars->phy_flags |= PHY_SGMII_FLAG;
  3865. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3866. bnx2x_warpcore_clear_regs(phy, params, lane);
  3867. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3868. } else {
  3869. switch (serdes_net_if) {
  3870. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3871. /* Enable KR Auto Neg */
  3872. if (params->loopback_mode != LOOPBACK_EXT)
  3873. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3874. else {
  3875. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3876. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3877. }
  3878. break;
  3879. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3880. bnx2x_warpcore_clear_regs(phy, params, lane);
  3881. if (vars->line_speed == SPEED_10000) {
  3882. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3883. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3884. } else {
  3885. if (SINGLE_MEDIA_DIRECT(params)) {
  3886. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3887. fiber_mode = 1;
  3888. } else {
  3889. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3890. fiber_mode = 0;
  3891. }
  3892. bnx2x_warpcore_set_sgmii_speed(phy,
  3893. params,
  3894. fiber_mode,
  3895. 0);
  3896. }
  3897. break;
  3898. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3899. /* Issue Module detection */
  3900. if (bnx2x_is_sfp_module_plugged(phy, params))
  3901. bnx2x_sfp_module_detection(phy, params);
  3902. bnx2x_warpcore_config_sfi(phy, params);
  3903. break;
  3904. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3905. if (vars->line_speed != SPEED_20000) {
  3906. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3907. return;
  3908. }
  3909. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3910. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3911. /* Issue Module detection */
  3912. bnx2x_sfp_module_detection(phy, params);
  3913. break;
  3914. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3915. if (vars->line_speed != SPEED_20000) {
  3916. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3917. return;
  3918. }
  3919. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3920. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3921. break;
  3922. default:
  3923. DP(NETIF_MSG_LINK,
  3924. "Unsupported Serdes Net Interface 0x%x\n",
  3925. serdes_net_if);
  3926. return;
  3927. }
  3928. }
  3929. /* Take lane out of reset after configuration is finished */
  3930. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3931. DP(NETIF_MSG_LINK, "Exit config init\n");
  3932. }
  3933. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3934. struct bnx2x_phy *phy,
  3935. u8 tx_en)
  3936. {
  3937. struct bnx2x *bp = params->bp;
  3938. u32 cfg_pin;
  3939. u8 port = params->port;
  3940. cfg_pin = REG_RD(bp, params->shmem_base +
  3941. offsetof(struct shmem_region,
  3942. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3943. PORT_HW_CFG_TX_LASER_MASK;
  3944. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3945. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3946. /* For 20G, the expected pin to be used is 3 pins after the current */
  3947. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3948. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3949. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3950. }
  3951. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3952. struct link_params *params)
  3953. {
  3954. struct bnx2x *bp = params->bp;
  3955. u16 val16;
  3956. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3957. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3958. bnx2x_set_aer_mmd(params, phy);
  3959. /* Global register */
  3960. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3961. /* Clear loopback settings (if any) */
  3962. /* 10G & 20G */
  3963. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3964. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3965. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3967. 0xBFFF);
  3968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3969. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3970. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3972. /* Update those 1-copy registers */
  3973. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3974. MDIO_AER_BLOCK_AER_REG, 0);
  3975. /* Enable 1G MDIO (1-copy) */
  3976. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3977. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3978. &val16);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3981. val16 & ~0x10);
  3982. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3983. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3984. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3986. val16 & 0xff00);
  3987. }
  3988. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3989. struct link_params *params)
  3990. {
  3991. struct bnx2x *bp = params->bp;
  3992. u16 val16;
  3993. u32 lane;
  3994. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3995. params->loopback_mode, phy->req_line_speed);
  3996. if (phy->req_line_speed < SPEED_10000) {
  3997. /* 10/100/1000 */
  3998. /* Update those 1-copy registers */
  3999. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4000. MDIO_AER_BLOCK_AER_REG, 0);
  4001. /* Enable 1G MDIO (1-copy) */
  4002. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4003. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4004. 0x10);
  4005. /* Set 1G loopback based on lane (1-copy) */
  4006. lane = bnx2x_get_warpcore_lane(phy, params);
  4007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4009. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4010. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4011. val16 | (1<<lane));
  4012. /* Switch back to 4-copy registers */
  4013. bnx2x_set_aer_mmd(params, phy);
  4014. } else {
  4015. /* 10G & 20G */
  4016. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4017. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4018. 0x4000);
  4019. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4020. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4021. }
  4022. }
  4023. static void bnx2x_sync_link(struct link_params *params,
  4024. struct link_vars *vars)
  4025. {
  4026. struct bnx2x *bp = params->bp;
  4027. u8 link_10g_plus;
  4028. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4029. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4030. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4031. if (vars->link_up) {
  4032. DP(NETIF_MSG_LINK, "phy link up\n");
  4033. vars->phy_link_up = 1;
  4034. vars->duplex = DUPLEX_FULL;
  4035. switch (vars->link_status &
  4036. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4037. case LINK_10THD:
  4038. vars->duplex = DUPLEX_HALF;
  4039. /* Fall thru */
  4040. case LINK_10TFD:
  4041. vars->line_speed = SPEED_10;
  4042. break;
  4043. case LINK_100TXHD:
  4044. vars->duplex = DUPLEX_HALF;
  4045. /* Fall thru */
  4046. case LINK_100T4:
  4047. case LINK_100TXFD:
  4048. vars->line_speed = SPEED_100;
  4049. break;
  4050. case LINK_1000THD:
  4051. vars->duplex = DUPLEX_HALF;
  4052. /* Fall thru */
  4053. case LINK_1000TFD:
  4054. vars->line_speed = SPEED_1000;
  4055. break;
  4056. case LINK_2500THD:
  4057. vars->duplex = DUPLEX_HALF;
  4058. /* Fall thru */
  4059. case LINK_2500TFD:
  4060. vars->line_speed = SPEED_2500;
  4061. break;
  4062. case LINK_10GTFD:
  4063. vars->line_speed = SPEED_10000;
  4064. break;
  4065. case LINK_20GTFD:
  4066. vars->line_speed = SPEED_20000;
  4067. break;
  4068. default:
  4069. break;
  4070. }
  4071. vars->flow_ctrl = 0;
  4072. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4073. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4074. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4075. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4076. if (!vars->flow_ctrl)
  4077. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4078. if (vars->line_speed &&
  4079. ((vars->line_speed == SPEED_10) ||
  4080. (vars->line_speed == SPEED_100))) {
  4081. vars->phy_flags |= PHY_SGMII_FLAG;
  4082. } else {
  4083. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4084. }
  4085. if (vars->line_speed &&
  4086. USES_WARPCORE(bp) &&
  4087. (vars->line_speed == SPEED_1000))
  4088. vars->phy_flags |= PHY_SGMII_FLAG;
  4089. /* Anything 10 and over uses the bmac */
  4090. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4091. if (link_10g_plus) {
  4092. if (USES_WARPCORE(bp))
  4093. vars->mac_type = MAC_TYPE_XMAC;
  4094. else
  4095. vars->mac_type = MAC_TYPE_BMAC;
  4096. } else {
  4097. if (USES_WARPCORE(bp))
  4098. vars->mac_type = MAC_TYPE_UMAC;
  4099. else
  4100. vars->mac_type = MAC_TYPE_EMAC;
  4101. }
  4102. } else { /* Link down */
  4103. DP(NETIF_MSG_LINK, "phy link down\n");
  4104. vars->phy_link_up = 0;
  4105. vars->line_speed = 0;
  4106. vars->duplex = DUPLEX_FULL;
  4107. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4108. /* Indicate no mac active */
  4109. vars->mac_type = MAC_TYPE_NONE;
  4110. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4111. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4112. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4113. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4114. }
  4115. }
  4116. void bnx2x_link_status_update(struct link_params *params,
  4117. struct link_vars *vars)
  4118. {
  4119. struct bnx2x *bp = params->bp;
  4120. u8 port = params->port;
  4121. u32 sync_offset, media_types;
  4122. /* Update PHY configuration */
  4123. set_phy_vars(params, vars);
  4124. vars->link_status = REG_RD(bp, params->shmem_base +
  4125. offsetof(struct shmem_region,
  4126. port_mb[port].link_status));
  4127. if (bnx2x_eee_has_cap(params))
  4128. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4129. offsetof(struct shmem2_region,
  4130. eee_status[params->port]));
  4131. vars->phy_flags = PHY_XGXS_FLAG;
  4132. bnx2x_sync_link(params, vars);
  4133. /* Sync media type */
  4134. sync_offset = params->shmem_base +
  4135. offsetof(struct shmem_region,
  4136. dev_info.port_hw_config[port].media_type);
  4137. media_types = REG_RD(bp, sync_offset);
  4138. params->phy[INT_PHY].media_type =
  4139. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4140. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4141. params->phy[EXT_PHY1].media_type =
  4142. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4143. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4144. params->phy[EXT_PHY2].media_type =
  4145. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4146. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4147. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4148. /* Sync AEU offset */
  4149. sync_offset = params->shmem_base +
  4150. offsetof(struct shmem_region,
  4151. dev_info.port_hw_config[port].aeu_int_mask);
  4152. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4153. /* Sync PFC status */
  4154. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4155. params->feature_config_flags |=
  4156. FEATURE_CONFIG_PFC_ENABLED;
  4157. else
  4158. params->feature_config_flags &=
  4159. ~FEATURE_CONFIG_PFC_ENABLED;
  4160. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4161. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4162. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4163. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4164. }
  4165. static void bnx2x_set_master_ln(struct link_params *params,
  4166. struct bnx2x_phy *phy)
  4167. {
  4168. struct bnx2x *bp = params->bp;
  4169. u16 new_master_ln, ser_lane;
  4170. ser_lane = ((params->lane_config &
  4171. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4172. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4173. /* Set the master_ln for AN */
  4174. CL22_RD_OVER_CL45(bp, phy,
  4175. MDIO_REG_BANK_XGXS_BLOCK2,
  4176. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4177. &new_master_ln);
  4178. CL22_WR_OVER_CL45(bp, phy,
  4179. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4180. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4181. (new_master_ln | ser_lane));
  4182. }
  4183. static int bnx2x_reset_unicore(struct link_params *params,
  4184. struct bnx2x_phy *phy,
  4185. u8 set_serdes)
  4186. {
  4187. struct bnx2x *bp = params->bp;
  4188. u16 mii_control;
  4189. u16 i;
  4190. CL22_RD_OVER_CL45(bp, phy,
  4191. MDIO_REG_BANK_COMBO_IEEE0,
  4192. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4193. /* Reset the unicore */
  4194. CL22_WR_OVER_CL45(bp, phy,
  4195. MDIO_REG_BANK_COMBO_IEEE0,
  4196. MDIO_COMBO_IEEE0_MII_CONTROL,
  4197. (mii_control |
  4198. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4199. if (set_serdes)
  4200. bnx2x_set_serdes_access(bp, params->port);
  4201. /* Wait for the reset to self clear */
  4202. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4203. udelay(5);
  4204. /* The reset erased the previous bank value */
  4205. CL22_RD_OVER_CL45(bp, phy,
  4206. MDIO_REG_BANK_COMBO_IEEE0,
  4207. MDIO_COMBO_IEEE0_MII_CONTROL,
  4208. &mii_control);
  4209. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4210. udelay(5);
  4211. return 0;
  4212. }
  4213. }
  4214. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4215. " Port %d\n",
  4216. params->port);
  4217. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4218. return -EINVAL;
  4219. }
  4220. static void bnx2x_set_swap_lanes(struct link_params *params,
  4221. struct bnx2x_phy *phy)
  4222. {
  4223. struct bnx2x *bp = params->bp;
  4224. /* Each two bits represents a lane number:
  4225. * No swap is 0123 => 0x1b no need to enable the swap
  4226. */
  4227. u16 rx_lane_swap, tx_lane_swap;
  4228. rx_lane_swap = ((params->lane_config &
  4229. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4230. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4231. tx_lane_swap = ((params->lane_config &
  4232. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4233. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4234. if (rx_lane_swap != 0x1b) {
  4235. CL22_WR_OVER_CL45(bp, phy,
  4236. MDIO_REG_BANK_XGXS_BLOCK2,
  4237. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4238. (rx_lane_swap |
  4239. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4240. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4241. } else {
  4242. CL22_WR_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_XGXS_BLOCK2,
  4244. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4245. }
  4246. if (tx_lane_swap != 0x1b) {
  4247. CL22_WR_OVER_CL45(bp, phy,
  4248. MDIO_REG_BANK_XGXS_BLOCK2,
  4249. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4250. (tx_lane_swap |
  4251. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4252. } else {
  4253. CL22_WR_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_XGXS_BLOCK2,
  4255. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4256. }
  4257. }
  4258. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4259. struct link_params *params)
  4260. {
  4261. struct bnx2x *bp = params->bp;
  4262. u16 control2;
  4263. CL22_RD_OVER_CL45(bp, phy,
  4264. MDIO_REG_BANK_SERDES_DIGITAL,
  4265. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4266. &control2);
  4267. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4268. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4269. else
  4270. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4271. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4272. phy->speed_cap_mask, control2);
  4273. CL22_WR_OVER_CL45(bp, phy,
  4274. MDIO_REG_BANK_SERDES_DIGITAL,
  4275. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4276. control2);
  4277. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4278. (phy->speed_cap_mask &
  4279. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4280. DP(NETIF_MSG_LINK, "XGXS\n");
  4281. CL22_WR_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4283. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4284. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4285. CL22_RD_OVER_CL45(bp, phy,
  4286. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4287. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4288. &control2);
  4289. control2 |=
  4290. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4293. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4294. control2);
  4295. /* Disable parallel detection of HiG */
  4296. CL22_WR_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_XGXS_BLOCK2,
  4298. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4299. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4300. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4301. }
  4302. }
  4303. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4304. struct link_params *params,
  4305. struct link_vars *vars,
  4306. u8 enable_cl73)
  4307. {
  4308. struct bnx2x *bp = params->bp;
  4309. u16 reg_val;
  4310. /* CL37 Autoneg */
  4311. CL22_RD_OVER_CL45(bp, phy,
  4312. MDIO_REG_BANK_COMBO_IEEE0,
  4313. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4314. /* CL37 Autoneg Enabled */
  4315. if (vars->line_speed == SPEED_AUTO_NEG)
  4316. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4317. else /* CL37 Autoneg Disabled */
  4318. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4319. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4320. CL22_WR_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_COMBO_IEEE0,
  4322. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4323. /* Enable/Disable Autodetection */
  4324. CL22_RD_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_SERDES_DIGITAL,
  4326. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4327. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4328. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4329. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4330. if (vars->line_speed == SPEED_AUTO_NEG)
  4331. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4332. else
  4333. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4334. CL22_WR_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_SERDES_DIGITAL,
  4336. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4337. /* Enable TetonII and BAM autoneg */
  4338. CL22_RD_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4340. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4341. &reg_val);
  4342. if (vars->line_speed == SPEED_AUTO_NEG) {
  4343. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4344. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4345. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4346. } else {
  4347. /* TetonII and BAM Autoneg Disabled */
  4348. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4349. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4350. }
  4351. CL22_WR_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4353. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4354. reg_val);
  4355. if (enable_cl73) {
  4356. /* Enable Cl73 FSM status bits */
  4357. CL22_WR_OVER_CL45(bp, phy,
  4358. MDIO_REG_BANK_CL73_USERB0,
  4359. MDIO_CL73_USERB0_CL73_UCTRL,
  4360. 0xe);
  4361. /* Enable BAM Station Manager*/
  4362. CL22_WR_OVER_CL45(bp, phy,
  4363. MDIO_REG_BANK_CL73_USERB0,
  4364. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4365. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4366. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4367. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4368. /* Advertise CL73 link speeds */
  4369. CL22_RD_OVER_CL45(bp, phy,
  4370. MDIO_REG_BANK_CL73_IEEEB1,
  4371. MDIO_CL73_IEEEB1_AN_ADV2,
  4372. &reg_val);
  4373. if (phy->speed_cap_mask &
  4374. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4375. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4376. if (phy->speed_cap_mask &
  4377. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4378. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4379. CL22_WR_OVER_CL45(bp, phy,
  4380. MDIO_REG_BANK_CL73_IEEEB1,
  4381. MDIO_CL73_IEEEB1_AN_ADV2,
  4382. reg_val);
  4383. /* CL73 Autoneg Enabled */
  4384. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4385. } else /* CL73 Autoneg Disabled */
  4386. reg_val = 0;
  4387. CL22_WR_OVER_CL45(bp, phy,
  4388. MDIO_REG_BANK_CL73_IEEEB0,
  4389. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4390. }
  4391. /* Program SerDes, forced speed */
  4392. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4393. struct link_params *params,
  4394. struct link_vars *vars)
  4395. {
  4396. struct bnx2x *bp = params->bp;
  4397. u16 reg_val;
  4398. /* Program duplex, disable autoneg and sgmii*/
  4399. CL22_RD_OVER_CL45(bp, phy,
  4400. MDIO_REG_BANK_COMBO_IEEE0,
  4401. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4402. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4403. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4404. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4405. if (phy->req_duplex == DUPLEX_FULL)
  4406. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4407. CL22_WR_OVER_CL45(bp, phy,
  4408. MDIO_REG_BANK_COMBO_IEEE0,
  4409. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4410. /* Program speed
  4411. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4412. */
  4413. CL22_RD_OVER_CL45(bp, phy,
  4414. MDIO_REG_BANK_SERDES_DIGITAL,
  4415. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4416. /* Clearing the speed value before setting the right speed */
  4417. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4418. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4419. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4420. if (!((vars->line_speed == SPEED_1000) ||
  4421. (vars->line_speed == SPEED_100) ||
  4422. (vars->line_speed == SPEED_10))) {
  4423. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4424. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4425. if (vars->line_speed == SPEED_10000)
  4426. reg_val |=
  4427. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4428. }
  4429. CL22_WR_OVER_CL45(bp, phy,
  4430. MDIO_REG_BANK_SERDES_DIGITAL,
  4431. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4432. }
  4433. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4434. struct link_params *params)
  4435. {
  4436. struct bnx2x *bp = params->bp;
  4437. u16 val = 0;
  4438. /* Set extended capabilities */
  4439. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4440. val |= MDIO_OVER_1G_UP1_2_5G;
  4441. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4442. val |= MDIO_OVER_1G_UP1_10G;
  4443. CL22_WR_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_OVER_1G,
  4445. MDIO_OVER_1G_UP1, val);
  4446. CL22_WR_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_OVER_1G,
  4448. MDIO_OVER_1G_UP3, 0x400);
  4449. }
  4450. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4451. struct link_params *params,
  4452. u16 ieee_fc)
  4453. {
  4454. struct bnx2x *bp = params->bp;
  4455. u16 val;
  4456. /* For AN, we are always publishing full duplex */
  4457. CL22_WR_OVER_CL45(bp, phy,
  4458. MDIO_REG_BANK_COMBO_IEEE0,
  4459. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4460. CL22_RD_OVER_CL45(bp, phy,
  4461. MDIO_REG_BANK_CL73_IEEEB1,
  4462. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4463. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4464. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4465. CL22_WR_OVER_CL45(bp, phy,
  4466. MDIO_REG_BANK_CL73_IEEEB1,
  4467. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4468. }
  4469. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4470. struct link_params *params,
  4471. u8 enable_cl73)
  4472. {
  4473. struct bnx2x *bp = params->bp;
  4474. u16 mii_control;
  4475. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4476. /* Enable and restart BAM/CL37 aneg */
  4477. if (enable_cl73) {
  4478. CL22_RD_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB0,
  4480. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4481. &mii_control);
  4482. CL22_WR_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_CL73_IEEEB0,
  4484. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4485. (mii_control |
  4486. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4487. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4488. } else {
  4489. CL22_RD_OVER_CL45(bp, phy,
  4490. MDIO_REG_BANK_COMBO_IEEE0,
  4491. MDIO_COMBO_IEEE0_MII_CONTROL,
  4492. &mii_control);
  4493. DP(NETIF_MSG_LINK,
  4494. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4495. mii_control);
  4496. CL22_WR_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_COMBO_IEEE0,
  4498. MDIO_COMBO_IEEE0_MII_CONTROL,
  4499. (mii_control |
  4500. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4501. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4502. }
  4503. }
  4504. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4505. struct link_params *params,
  4506. struct link_vars *vars)
  4507. {
  4508. struct bnx2x *bp = params->bp;
  4509. u16 control1;
  4510. /* In SGMII mode, the unicore is always slave */
  4511. CL22_RD_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_SERDES_DIGITAL,
  4513. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4514. &control1);
  4515. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4516. /* Set sgmii mode (and not fiber) */
  4517. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4518. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4519. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4520. CL22_WR_OVER_CL45(bp, phy,
  4521. MDIO_REG_BANK_SERDES_DIGITAL,
  4522. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4523. control1);
  4524. /* If forced speed */
  4525. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4526. /* Set speed, disable autoneg */
  4527. u16 mii_control;
  4528. CL22_RD_OVER_CL45(bp, phy,
  4529. MDIO_REG_BANK_COMBO_IEEE0,
  4530. MDIO_COMBO_IEEE0_MII_CONTROL,
  4531. &mii_control);
  4532. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4533. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4534. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4535. switch (vars->line_speed) {
  4536. case SPEED_100:
  4537. mii_control |=
  4538. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4539. break;
  4540. case SPEED_1000:
  4541. mii_control |=
  4542. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4543. break;
  4544. case SPEED_10:
  4545. /* There is nothing to set for 10M */
  4546. break;
  4547. default:
  4548. /* Invalid speed for SGMII */
  4549. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4550. vars->line_speed);
  4551. break;
  4552. }
  4553. /* Setting the full duplex */
  4554. if (phy->req_duplex == DUPLEX_FULL)
  4555. mii_control |=
  4556. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4557. CL22_WR_OVER_CL45(bp, phy,
  4558. MDIO_REG_BANK_COMBO_IEEE0,
  4559. MDIO_COMBO_IEEE0_MII_CONTROL,
  4560. mii_control);
  4561. } else { /* AN mode */
  4562. /* Enable and restart AN */
  4563. bnx2x_restart_autoneg(phy, params, 0);
  4564. }
  4565. }
  4566. /* Link management
  4567. */
  4568. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4569. struct link_params *params)
  4570. {
  4571. struct bnx2x *bp = params->bp;
  4572. u16 pd_10g, status2_1000x;
  4573. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4574. return 0;
  4575. CL22_RD_OVER_CL45(bp, phy,
  4576. MDIO_REG_BANK_SERDES_DIGITAL,
  4577. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4578. &status2_1000x);
  4579. CL22_RD_OVER_CL45(bp, phy,
  4580. MDIO_REG_BANK_SERDES_DIGITAL,
  4581. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4582. &status2_1000x);
  4583. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4584. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4585. params->port);
  4586. return 1;
  4587. }
  4588. CL22_RD_OVER_CL45(bp, phy,
  4589. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4590. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4591. &pd_10g);
  4592. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4593. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4594. params->port);
  4595. return 1;
  4596. }
  4597. return 0;
  4598. }
  4599. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4600. struct link_params *params,
  4601. struct link_vars *vars,
  4602. u32 gp_status)
  4603. {
  4604. u16 ld_pause; /* local driver */
  4605. u16 lp_pause; /* link partner */
  4606. u16 pause_result;
  4607. struct bnx2x *bp = params->bp;
  4608. if ((gp_status &
  4609. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4610. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4611. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4612. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_CL73_IEEEB1,
  4615. MDIO_CL73_IEEEB1_AN_ADV1,
  4616. &ld_pause);
  4617. CL22_RD_OVER_CL45(bp, phy,
  4618. MDIO_REG_BANK_CL73_IEEEB1,
  4619. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4620. &lp_pause);
  4621. pause_result = (ld_pause &
  4622. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4623. pause_result |= (lp_pause &
  4624. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4625. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4626. } else {
  4627. CL22_RD_OVER_CL45(bp, phy,
  4628. MDIO_REG_BANK_COMBO_IEEE0,
  4629. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4630. &ld_pause);
  4631. CL22_RD_OVER_CL45(bp, phy,
  4632. MDIO_REG_BANK_COMBO_IEEE0,
  4633. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4634. &lp_pause);
  4635. pause_result = (ld_pause &
  4636. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4637. pause_result |= (lp_pause &
  4638. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4639. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4640. }
  4641. bnx2x_pause_resolve(vars, pause_result);
  4642. }
  4643. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4644. struct link_params *params,
  4645. struct link_vars *vars,
  4646. u32 gp_status)
  4647. {
  4648. struct bnx2x *bp = params->bp;
  4649. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4650. /* Resolve from gp_status in case of AN complete and not sgmii */
  4651. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4652. /* Update the advertised flow-controled of LD/LP in AN */
  4653. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4654. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4655. /* But set the flow-control result as the requested one */
  4656. vars->flow_ctrl = phy->req_flow_ctrl;
  4657. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4658. vars->flow_ctrl = params->req_fc_auto_adv;
  4659. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4660. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4661. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4662. vars->flow_ctrl = params->req_fc_auto_adv;
  4663. return;
  4664. }
  4665. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4666. }
  4667. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4668. }
  4669. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4670. struct link_params *params)
  4671. {
  4672. struct bnx2x *bp = params->bp;
  4673. u16 rx_status, ustat_val, cl37_fsm_received;
  4674. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4675. /* Step 1: Make sure signal is detected */
  4676. CL22_RD_OVER_CL45(bp, phy,
  4677. MDIO_REG_BANK_RX0,
  4678. MDIO_RX0_RX_STATUS,
  4679. &rx_status);
  4680. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4681. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4682. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4683. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4684. CL22_WR_OVER_CL45(bp, phy,
  4685. MDIO_REG_BANK_CL73_IEEEB0,
  4686. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4687. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4688. return;
  4689. }
  4690. /* Step 2: Check CL73 state machine */
  4691. CL22_RD_OVER_CL45(bp, phy,
  4692. MDIO_REG_BANK_CL73_USERB0,
  4693. MDIO_CL73_USERB0_CL73_USTAT1,
  4694. &ustat_val);
  4695. if ((ustat_val &
  4696. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4697. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4698. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4699. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4700. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4701. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4702. return;
  4703. }
  4704. /* Step 3: Check CL37 Message Pages received to indicate LP
  4705. * supports only CL37
  4706. */
  4707. CL22_RD_OVER_CL45(bp, phy,
  4708. MDIO_REG_BANK_REMOTE_PHY,
  4709. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4710. &cl37_fsm_received);
  4711. if ((cl37_fsm_received &
  4712. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4713. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4714. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4715. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4716. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4717. "misc_rx_status(0x8330) = 0x%x\n",
  4718. cl37_fsm_received);
  4719. return;
  4720. }
  4721. /* The combined cl37/cl73 fsm state information indicating that
  4722. * we are connected to a device which does not support cl73, but
  4723. * does support cl37 BAM. In this case we disable cl73 and
  4724. * restart cl37 auto-neg
  4725. */
  4726. /* Disable CL73 */
  4727. CL22_WR_OVER_CL45(bp, phy,
  4728. MDIO_REG_BANK_CL73_IEEEB0,
  4729. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4730. 0);
  4731. /* Restart CL37 autoneg */
  4732. bnx2x_restart_autoneg(phy, params, 0);
  4733. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4734. }
  4735. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4736. struct link_params *params,
  4737. struct link_vars *vars,
  4738. u32 gp_status)
  4739. {
  4740. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4741. vars->link_status |=
  4742. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4743. if (bnx2x_direct_parallel_detect_used(phy, params))
  4744. vars->link_status |=
  4745. LINK_STATUS_PARALLEL_DETECTION_USED;
  4746. }
  4747. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4748. struct link_params *params,
  4749. struct link_vars *vars,
  4750. u16 is_link_up,
  4751. u16 speed_mask,
  4752. u16 is_duplex)
  4753. {
  4754. struct bnx2x *bp = params->bp;
  4755. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4756. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4757. if (is_link_up) {
  4758. DP(NETIF_MSG_LINK, "phy link up\n");
  4759. vars->phy_link_up = 1;
  4760. vars->link_status |= LINK_STATUS_LINK_UP;
  4761. switch (speed_mask) {
  4762. case GP_STATUS_10M:
  4763. vars->line_speed = SPEED_10;
  4764. if (vars->duplex == DUPLEX_FULL)
  4765. vars->link_status |= LINK_10TFD;
  4766. else
  4767. vars->link_status |= LINK_10THD;
  4768. break;
  4769. case GP_STATUS_100M:
  4770. vars->line_speed = SPEED_100;
  4771. if (vars->duplex == DUPLEX_FULL)
  4772. vars->link_status |= LINK_100TXFD;
  4773. else
  4774. vars->link_status |= LINK_100TXHD;
  4775. break;
  4776. case GP_STATUS_1G:
  4777. case GP_STATUS_1G_KX:
  4778. vars->line_speed = SPEED_1000;
  4779. if (vars->duplex == DUPLEX_FULL)
  4780. vars->link_status |= LINK_1000TFD;
  4781. else
  4782. vars->link_status |= LINK_1000THD;
  4783. break;
  4784. case GP_STATUS_2_5G:
  4785. vars->line_speed = SPEED_2500;
  4786. if (vars->duplex == DUPLEX_FULL)
  4787. vars->link_status |= LINK_2500TFD;
  4788. else
  4789. vars->link_status |= LINK_2500THD;
  4790. break;
  4791. case GP_STATUS_5G:
  4792. case GP_STATUS_6G:
  4793. DP(NETIF_MSG_LINK,
  4794. "link speed unsupported gp_status 0x%x\n",
  4795. speed_mask);
  4796. return -EINVAL;
  4797. case GP_STATUS_10G_KX4:
  4798. case GP_STATUS_10G_HIG:
  4799. case GP_STATUS_10G_CX4:
  4800. case GP_STATUS_10G_KR:
  4801. case GP_STATUS_10G_SFI:
  4802. case GP_STATUS_10G_XFI:
  4803. vars->line_speed = SPEED_10000;
  4804. vars->link_status |= LINK_10GTFD;
  4805. break;
  4806. case GP_STATUS_20G_DXGXS:
  4807. vars->line_speed = SPEED_20000;
  4808. vars->link_status |= LINK_20GTFD;
  4809. break;
  4810. default:
  4811. DP(NETIF_MSG_LINK,
  4812. "link speed unsupported gp_status 0x%x\n",
  4813. speed_mask);
  4814. return -EINVAL;
  4815. }
  4816. } else { /* link_down */
  4817. DP(NETIF_MSG_LINK, "phy link down\n");
  4818. vars->phy_link_up = 0;
  4819. vars->duplex = DUPLEX_FULL;
  4820. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4821. vars->mac_type = MAC_TYPE_NONE;
  4822. }
  4823. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4824. vars->phy_link_up, vars->line_speed);
  4825. return 0;
  4826. }
  4827. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4828. struct link_params *params,
  4829. struct link_vars *vars)
  4830. {
  4831. struct bnx2x *bp = params->bp;
  4832. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4833. int rc = 0;
  4834. /* Read gp_status */
  4835. CL22_RD_OVER_CL45(bp, phy,
  4836. MDIO_REG_BANK_GP_STATUS,
  4837. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4838. &gp_status);
  4839. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4840. duplex = DUPLEX_FULL;
  4841. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4842. link_up = 1;
  4843. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4844. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4845. gp_status, link_up, speed_mask);
  4846. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4847. duplex);
  4848. if (rc == -EINVAL)
  4849. return rc;
  4850. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4851. if (SINGLE_MEDIA_DIRECT(params)) {
  4852. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4853. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4854. bnx2x_xgxs_an_resolve(phy, params, vars,
  4855. gp_status);
  4856. }
  4857. } else { /* Link_down */
  4858. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4859. SINGLE_MEDIA_DIRECT(params)) {
  4860. /* Check signal is detected */
  4861. bnx2x_check_fallback_to_cl37(phy, params);
  4862. }
  4863. }
  4864. /* Read LP advertised speeds*/
  4865. if (SINGLE_MEDIA_DIRECT(params) &&
  4866. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4867. u16 val;
  4868. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4869. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4870. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4871. vars->link_status |=
  4872. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4873. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4874. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4875. vars->link_status |=
  4876. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4877. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4878. MDIO_OVER_1G_LP_UP1, &val);
  4879. if (val & MDIO_OVER_1G_UP1_2_5G)
  4880. vars->link_status |=
  4881. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4882. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4883. vars->link_status |=
  4884. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4885. }
  4886. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4887. vars->duplex, vars->flow_ctrl, vars->link_status);
  4888. return rc;
  4889. }
  4890. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4891. struct link_params *params,
  4892. struct link_vars *vars)
  4893. {
  4894. struct bnx2x *bp = params->bp;
  4895. u8 lane;
  4896. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4897. int rc = 0;
  4898. lane = bnx2x_get_warpcore_lane(phy, params);
  4899. /* Read gp_status */
  4900. if (phy->req_line_speed > SPEED_10000) {
  4901. u16 temp_link_up;
  4902. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4903. 1, &temp_link_up);
  4904. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4905. 1, &link_up);
  4906. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4907. temp_link_up, link_up);
  4908. link_up &= (1<<2);
  4909. if (link_up)
  4910. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4911. } else {
  4912. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4913. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4914. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4915. /* Check for either KR or generic link up. */
  4916. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4917. ((gp_status1 >> 12) & 0xf);
  4918. link_up = gp_status1 & (1 << lane);
  4919. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4920. u16 pd, gp_status4;
  4921. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4922. /* Check Autoneg complete */
  4923. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4924. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4925. &gp_status4);
  4926. if (gp_status4 & ((1<<12)<<lane))
  4927. vars->link_status |=
  4928. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4929. /* Check parallel detect used */
  4930. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4931. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4932. &pd);
  4933. if (pd & (1<<15))
  4934. vars->link_status |=
  4935. LINK_STATUS_PARALLEL_DETECTION_USED;
  4936. }
  4937. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4938. }
  4939. }
  4940. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4941. SINGLE_MEDIA_DIRECT(params)) {
  4942. u16 val;
  4943. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4944. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4945. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4946. vars->link_status |=
  4947. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4948. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4949. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4950. vars->link_status |=
  4951. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4952. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4953. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4954. if (val & MDIO_OVER_1G_UP1_2_5G)
  4955. vars->link_status |=
  4956. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4957. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4958. vars->link_status |=
  4959. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4960. }
  4961. if (lane < 2) {
  4962. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4963. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4964. } else {
  4965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4966. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4967. }
  4968. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4969. if ((lane & 1) == 0)
  4970. gp_speed <<= 8;
  4971. gp_speed &= 0x3f00;
  4972. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4973. duplex);
  4974. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4975. vars->duplex, vars->flow_ctrl, vars->link_status);
  4976. return rc;
  4977. }
  4978. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4979. {
  4980. struct bnx2x *bp = params->bp;
  4981. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4982. u16 lp_up2;
  4983. u16 tx_driver;
  4984. u16 bank;
  4985. /* Read precomp */
  4986. CL22_RD_OVER_CL45(bp, phy,
  4987. MDIO_REG_BANK_OVER_1G,
  4988. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4989. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4990. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4991. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4992. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4993. if (lp_up2 == 0)
  4994. return;
  4995. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4996. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4997. CL22_RD_OVER_CL45(bp, phy,
  4998. bank,
  4999. MDIO_TX0_TX_DRIVER, &tx_driver);
  5000. /* Replace tx_driver bits [15:12] */
  5001. if (lp_up2 !=
  5002. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5003. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5004. tx_driver |= lp_up2;
  5005. CL22_WR_OVER_CL45(bp, phy,
  5006. bank,
  5007. MDIO_TX0_TX_DRIVER, tx_driver);
  5008. }
  5009. }
  5010. }
  5011. static int bnx2x_emac_program(struct link_params *params,
  5012. struct link_vars *vars)
  5013. {
  5014. struct bnx2x *bp = params->bp;
  5015. u8 port = params->port;
  5016. u16 mode = 0;
  5017. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5018. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5019. EMAC_REG_EMAC_MODE,
  5020. (EMAC_MODE_25G_MODE |
  5021. EMAC_MODE_PORT_MII_10M |
  5022. EMAC_MODE_HALF_DUPLEX));
  5023. switch (vars->line_speed) {
  5024. case SPEED_10:
  5025. mode |= EMAC_MODE_PORT_MII_10M;
  5026. break;
  5027. case SPEED_100:
  5028. mode |= EMAC_MODE_PORT_MII;
  5029. break;
  5030. case SPEED_1000:
  5031. mode |= EMAC_MODE_PORT_GMII;
  5032. break;
  5033. case SPEED_2500:
  5034. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5035. break;
  5036. default:
  5037. /* 10G not valid for EMAC */
  5038. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5039. vars->line_speed);
  5040. return -EINVAL;
  5041. }
  5042. if (vars->duplex == DUPLEX_HALF)
  5043. mode |= EMAC_MODE_HALF_DUPLEX;
  5044. bnx2x_bits_en(bp,
  5045. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5046. mode);
  5047. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5048. return 0;
  5049. }
  5050. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5051. struct link_params *params)
  5052. {
  5053. u16 bank, i = 0;
  5054. struct bnx2x *bp = params->bp;
  5055. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5056. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5057. CL22_WR_OVER_CL45(bp, phy,
  5058. bank,
  5059. MDIO_RX0_RX_EQ_BOOST,
  5060. phy->rx_preemphasis[i]);
  5061. }
  5062. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5063. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5064. CL22_WR_OVER_CL45(bp, phy,
  5065. bank,
  5066. MDIO_TX0_TX_DRIVER,
  5067. phy->tx_preemphasis[i]);
  5068. }
  5069. }
  5070. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5071. struct link_params *params,
  5072. struct link_vars *vars)
  5073. {
  5074. struct bnx2x *bp = params->bp;
  5075. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5076. (params->loopback_mode == LOOPBACK_XGXS));
  5077. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5078. if (SINGLE_MEDIA_DIRECT(params) &&
  5079. (params->feature_config_flags &
  5080. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5081. bnx2x_set_preemphasis(phy, params);
  5082. /* Forced speed requested? */
  5083. if (vars->line_speed != SPEED_AUTO_NEG ||
  5084. (SINGLE_MEDIA_DIRECT(params) &&
  5085. params->loopback_mode == LOOPBACK_EXT)) {
  5086. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5087. /* Disable autoneg */
  5088. bnx2x_set_autoneg(phy, params, vars, 0);
  5089. /* Program speed and duplex */
  5090. bnx2x_program_serdes(phy, params, vars);
  5091. } else { /* AN_mode */
  5092. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5093. /* AN enabled */
  5094. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5095. /* Program duplex & pause advertisement (for aneg) */
  5096. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5097. vars->ieee_fc);
  5098. /* Enable autoneg */
  5099. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5100. /* Enable and restart AN */
  5101. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5102. }
  5103. } else { /* SGMII mode */
  5104. DP(NETIF_MSG_LINK, "SGMII\n");
  5105. bnx2x_initialize_sgmii_process(phy, params, vars);
  5106. }
  5107. }
  5108. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5109. struct link_params *params,
  5110. struct link_vars *vars)
  5111. {
  5112. int rc;
  5113. vars->phy_flags |= PHY_XGXS_FLAG;
  5114. if ((phy->req_line_speed &&
  5115. ((phy->req_line_speed == SPEED_100) ||
  5116. (phy->req_line_speed == SPEED_10))) ||
  5117. (!phy->req_line_speed &&
  5118. (phy->speed_cap_mask >=
  5119. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5120. (phy->speed_cap_mask <
  5121. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5122. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5123. vars->phy_flags |= PHY_SGMII_FLAG;
  5124. else
  5125. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5126. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5127. bnx2x_set_aer_mmd(params, phy);
  5128. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5129. bnx2x_set_master_ln(params, phy);
  5130. rc = bnx2x_reset_unicore(params, phy, 0);
  5131. /* Reset the SerDes and wait for reset bit return low */
  5132. if (rc)
  5133. return rc;
  5134. bnx2x_set_aer_mmd(params, phy);
  5135. /* Setting the masterLn_def again after the reset */
  5136. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5137. bnx2x_set_master_ln(params, phy);
  5138. bnx2x_set_swap_lanes(params, phy);
  5139. }
  5140. return rc;
  5141. }
  5142. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5143. struct bnx2x_phy *phy,
  5144. struct link_params *params)
  5145. {
  5146. u16 cnt, ctrl;
  5147. /* Wait for soft reset to get cleared up to 1 sec */
  5148. for (cnt = 0; cnt < 1000; cnt++) {
  5149. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5150. bnx2x_cl22_read(bp, phy,
  5151. MDIO_PMA_REG_CTRL, &ctrl);
  5152. else
  5153. bnx2x_cl45_read(bp, phy,
  5154. MDIO_PMA_DEVAD,
  5155. MDIO_PMA_REG_CTRL, &ctrl);
  5156. if (!(ctrl & (1<<15)))
  5157. break;
  5158. usleep_range(1000, 2000);
  5159. }
  5160. if (cnt == 1000)
  5161. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5162. " Port %d\n",
  5163. params->port);
  5164. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5165. return cnt;
  5166. }
  5167. static void bnx2x_link_int_enable(struct link_params *params)
  5168. {
  5169. u8 port = params->port;
  5170. u32 mask;
  5171. struct bnx2x *bp = params->bp;
  5172. /* Setting the status to report on link up for either XGXS or SerDes */
  5173. if (CHIP_IS_E3(bp)) {
  5174. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5175. if (!(SINGLE_MEDIA_DIRECT(params)))
  5176. mask |= NIG_MASK_MI_INT;
  5177. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5178. mask = (NIG_MASK_XGXS0_LINK10G |
  5179. NIG_MASK_XGXS0_LINK_STATUS);
  5180. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5181. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5182. params->phy[INT_PHY].type !=
  5183. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5184. mask |= NIG_MASK_MI_INT;
  5185. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5186. }
  5187. } else { /* SerDes */
  5188. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5189. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5190. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5191. params->phy[INT_PHY].type !=
  5192. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5193. mask |= NIG_MASK_MI_INT;
  5194. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5195. }
  5196. }
  5197. bnx2x_bits_en(bp,
  5198. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5199. mask);
  5200. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5201. (params->switch_cfg == SWITCH_CFG_10G),
  5202. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5203. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5204. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5205. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5206. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5207. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5208. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5209. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5210. }
  5211. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5212. u8 exp_mi_int)
  5213. {
  5214. u32 latch_status = 0;
  5215. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5216. * status register. Link down indication is high-active-signal,
  5217. * so in this case we need to write the status to clear the XOR
  5218. */
  5219. /* Read Latched signals */
  5220. latch_status = REG_RD(bp,
  5221. NIG_REG_LATCH_STATUS_0 + port*8);
  5222. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5223. /* Handle only those with latched-signal=up.*/
  5224. if (exp_mi_int)
  5225. bnx2x_bits_en(bp,
  5226. NIG_REG_STATUS_INTERRUPT_PORT0
  5227. + port*4,
  5228. NIG_STATUS_EMAC0_MI_INT);
  5229. else
  5230. bnx2x_bits_dis(bp,
  5231. NIG_REG_STATUS_INTERRUPT_PORT0
  5232. + port*4,
  5233. NIG_STATUS_EMAC0_MI_INT);
  5234. if (latch_status & 1) {
  5235. /* For all latched-signal=up : Re-Arm Latch signals */
  5236. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5237. (latch_status & 0xfffe) | (latch_status & 1));
  5238. }
  5239. /* For all latched-signal=up,Write original_signal to status */
  5240. }
  5241. static void bnx2x_link_int_ack(struct link_params *params,
  5242. struct link_vars *vars, u8 is_10g_plus)
  5243. {
  5244. struct bnx2x *bp = params->bp;
  5245. u8 port = params->port;
  5246. u32 mask;
  5247. /* First reset all status we assume only one line will be
  5248. * change at a time
  5249. */
  5250. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5251. (NIG_STATUS_XGXS0_LINK10G |
  5252. NIG_STATUS_XGXS0_LINK_STATUS |
  5253. NIG_STATUS_SERDES0_LINK_STATUS));
  5254. if (vars->phy_link_up) {
  5255. if (USES_WARPCORE(bp))
  5256. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5257. else {
  5258. if (is_10g_plus)
  5259. mask = NIG_STATUS_XGXS0_LINK10G;
  5260. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5261. /* Disable the link interrupt by writing 1 to
  5262. * the relevant lane in the status register
  5263. */
  5264. u32 ser_lane =
  5265. ((params->lane_config &
  5266. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5267. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5268. mask = ((1 << ser_lane) <<
  5269. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5270. } else
  5271. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5272. }
  5273. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5274. mask);
  5275. bnx2x_bits_en(bp,
  5276. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5277. mask);
  5278. }
  5279. }
  5280. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5281. {
  5282. u8 *str_ptr = str;
  5283. u32 mask = 0xf0000000;
  5284. u8 shift = 8*4;
  5285. u8 digit;
  5286. u8 remove_leading_zeros = 1;
  5287. if (*len < 10) {
  5288. /* Need more than 10chars for this format */
  5289. *str_ptr = '\0';
  5290. (*len)--;
  5291. return -EINVAL;
  5292. }
  5293. while (shift > 0) {
  5294. shift -= 4;
  5295. digit = ((num & mask) >> shift);
  5296. if (digit == 0 && remove_leading_zeros) {
  5297. mask = mask >> 4;
  5298. continue;
  5299. } else if (digit < 0xa)
  5300. *str_ptr = digit + '0';
  5301. else
  5302. *str_ptr = digit - 0xa + 'a';
  5303. remove_leading_zeros = 0;
  5304. str_ptr++;
  5305. (*len)--;
  5306. mask = mask >> 4;
  5307. if (shift == 4*4) {
  5308. *str_ptr = '.';
  5309. str_ptr++;
  5310. (*len)--;
  5311. remove_leading_zeros = 1;
  5312. }
  5313. }
  5314. return 0;
  5315. }
  5316. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5317. {
  5318. str[0] = '\0';
  5319. (*len)--;
  5320. return 0;
  5321. }
  5322. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5323. u16 len)
  5324. {
  5325. struct bnx2x *bp;
  5326. u32 spirom_ver = 0;
  5327. int status = 0;
  5328. u8 *ver_p = version;
  5329. u16 remain_len = len;
  5330. if (version == NULL || params == NULL)
  5331. return -EINVAL;
  5332. bp = params->bp;
  5333. /* Extract first external phy*/
  5334. version[0] = '\0';
  5335. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5336. if (params->phy[EXT_PHY1].format_fw_ver) {
  5337. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5338. ver_p,
  5339. &remain_len);
  5340. ver_p += (len - remain_len);
  5341. }
  5342. if ((params->num_phys == MAX_PHYS) &&
  5343. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5344. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5345. if (params->phy[EXT_PHY2].format_fw_ver) {
  5346. *ver_p = '/';
  5347. ver_p++;
  5348. remain_len--;
  5349. status |= params->phy[EXT_PHY2].format_fw_ver(
  5350. spirom_ver,
  5351. ver_p,
  5352. &remain_len);
  5353. ver_p = version + (len - remain_len);
  5354. }
  5355. }
  5356. *ver_p = '\0';
  5357. return status;
  5358. }
  5359. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5360. struct link_params *params)
  5361. {
  5362. u8 port = params->port;
  5363. struct bnx2x *bp = params->bp;
  5364. if (phy->req_line_speed != SPEED_1000) {
  5365. u32 md_devad = 0;
  5366. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5367. if (!CHIP_IS_E3(bp)) {
  5368. /* Change the uni_phy_addr in the nig */
  5369. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5370. port*0x18));
  5371. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5372. 0x5);
  5373. }
  5374. bnx2x_cl45_write(bp, phy,
  5375. 5,
  5376. (MDIO_REG_BANK_AER_BLOCK +
  5377. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5378. 0x2800);
  5379. bnx2x_cl45_write(bp, phy,
  5380. 5,
  5381. (MDIO_REG_BANK_CL73_IEEEB0 +
  5382. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5383. 0x6041);
  5384. msleep(200);
  5385. /* Set aer mmd back */
  5386. bnx2x_set_aer_mmd(params, phy);
  5387. if (!CHIP_IS_E3(bp)) {
  5388. /* And md_devad */
  5389. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5390. md_devad);
  5391. }
  5392. } else {
  5393. u16 mii_ctrl;
  5394. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5395. bnx2x_cl45_read(bp, phy, 5,
  5396. (MDIO_REG_BANK_COMBO_IEEE0 +
  5397. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5398. &mii_ctrl);
  5399. bnx2x_cl45_write(bp, phy, 5,
  5400. (MDIO_REG_BANK_COMBO_IEEE0 +
  5401. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5402. mii_ctrl |
  5403. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5404. }
  5405. }
  5406. int bnx2x_set_led(struct link_params *params,
  5407. struct link_vars *vars, u8 mode, u32 speed)
  5408. {
  5409. u8 port = params->port;
  5410. u16 hw_led_mode = params->hw_led_mode;
  5411. int rc = 0;
  5412. u8 phy_idx;
  5413. u32 tmp;
  5414. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5415. struct bnx2x *bp = params->bp;
  5416. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5417. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5418. speed, hw_led_mode);
  5419. /* In case */
  5420. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5421. if (params->phy[phy_idx].set_link_led) {
  5422. params->phy[phy_idx].set_link_led(
  5423. &params->phy[phy_idx], params, mode);
  5424. }
  5425. }
  5426. switch (mode) {
  5427. case LED_MODE_FRONT_PANEL_OFF:
  5428. case LED_MODE_OFF:
  5429. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5430. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5431. SHARED_HW_CFG_LED_MAC1);
  5432. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5433. if (params->phy[EXT_PHY1].type ==
  5434. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5435. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5436. EMAC_LED_100MB_OVERRIDE |
  5437. EMAC_LED_10MB_OVERRIDE);
  5438. else
  5439. tmp |= EMAC_LED_OVERRIDE;
  5440. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5441. break;
  5442. case LED_MODE_OPER:
  5443. /* For all other phys, OPER mode is same as ON, so in case
  5444. * link is down, do nothing
  5445. */
  5446. if (!vars->link_up)
  5447. break;
  5448. case LED_MODE_ON:
  5449. if (((params->phy[EXT_PHY1].type ==
  5450. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5451. (params->phy[EXT_PHY1].type ==
  5452. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5453. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5454. /* This is a work-around for E2+8727 Configurations */
  5455. if (mode == LED_MODE_ON ||
  5456. speed == SPEED_10000){
  5457. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5458. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5459. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5460. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5461. (tmp | EMAC_LED_OVERRIDE));
  5462. /* Return here without enabling traffic
  5463. * LED blink and setting rate in ON mode.
  5464. * In oper mode, enabling LED blink
  5465. * and setting rate is needed.
  5466. */
  5467. if (mode == LED_MODE_ON)
  5468. return rc;
  5469. }
  5470. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5471. /* This is a work-around for HW issue found when link
  5472. * is up in CL73
  5473. */
  5474. if ((!CHIP_IS_E3(bp)) ||
  5475. (CHIP_IS_E3(bp) &&
  5476. mode == LED_MODE_ON))
  5477. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5478. if (CHIP_IS_E1x(bp) ||
  5479. CHIP_IS_E2(bp) ||
  5480. (mode == LED_MODE_ON))
  5481. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5482. else
  5483. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5484. hw_led_mode);
  5485. } else if ((params->phy[EXT_PHY1].type ==
  5486. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5487. (mode == LED_MODE_ON)) {
  5488. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5489. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5490. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5491. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5492. /* Break here; otherwise, it'll disable the
  5493. * intended override.
  5494. */
  5495. break;
  5496. } else
  5497. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5498. hw_led_mode);
  5499. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5500. /* Set blinking rate to ~15.9Hz */
  5501. if (CHIP_IS_E3(bp))
  5502. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5503. LED_BLINK_RATE_VAL_E3);
  5504. else
  5505. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5506. LED_BLINK_RATE_VAL_E1X_E2);
  5507. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5508. port*4, 1);
  5509. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5510. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5511. (tmp & (~EMAC_LED_OVERRIDE)));
  5512. if (CHIP_IS_E1(bp) &&
  5513. ((speed == SPEED_2500) ||
  5514. (speed == SPEED_1000) ||
  5515. (speed == SPEED_100) ||
  5516. (speed == SPEED_10))) {
  5517. /* For speeds less than 10G LED scheme is different */
  5518. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5519. + port*4, 1);
  5520. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5521. port*4, 0);
  5522. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5523. port*4, 1);
  5524. }
  5525. break;
  5526. default:
  5527. rc = -EINVAL;
  5528. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5529. mode);
  5530. break;
  5531. }
  5532. return rc;
  5533. }
  5534. /* This function comes to reflect the actual link state read DIRECTLY from the
  5535. * HW
  5536. */
  5537. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5538. u8 is_serdes)
  5539. {
  5540. struct bnx2x *bp = params->bp;
  5541. u16 gp_status = 0, phy_index = 0;
  5542. u8 ext_phy_link_up = 0, serdes_phy_type;
  5543. struct link_vars temp_vars;
  5544. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5545. if (CHIP_IS_E3(bp)) {
  5546. u16 link_up;
  5547. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5548. > SPEED_10000) {
  5549. /* Check 20G link */
  5550. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5551. 1, &link_up);
  5552. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5553. 1, &link_up);
  5554. link_up &= (1<<2);
  5555. } else {
  5556. /* Check 10G link and below*/
  5557. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5558. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5559. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5560. &gp_status);
  5561. gp_status = ((gp_status >> 8) & 0xf) |
  5562. ((gp_status >> 12) & 0xf);
  5563. link_up = gp_status & (1 << lane);
  5564. }
  5565. if (!link_up)
  5566. return -ESRCH;
  5567. } else {
  5568. CL22_RD_OVER_CL45(bp, int_phy,
  5569. MDIO_REG_BANK_GP_STATUS,
  5570. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5571. &gp_status);
  5572. /* Link is up only if both local phy and external phy are up */
  5573. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5574. return -ESRCH;
  5575. }
  5576. /* In XGXS loopback mode, do not check external PHY */
  5577. if (params->loopback_mode == LOOPBACK_XGXS)
  5578. return 0;
  5579. switch (params->num_phys) {
  5580. case 1:
  5581. /* No external PHY */
  5582. return 0;
  5583. case 2:
  5584. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5585. &params->phy[EXT_PHY1],
  5586. params, &temp_vars);
  5587. break;
  5588. case 3: /* Dual Media */
  5589. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5590. phy_index++) {
  5591. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5592. ETH_PHY_SFPP_10G_FIBER) ||
  5593. (params->phy[phy_index].media_type ==
  5594. ETH_PHY_SFP_1G_FIBER) ||
  5595. (params->phy[phy_index].media_type ==
  5596. ETH_PHY_XFP_FIBER) ||
  5597. (params->phy[phy_index].media_type ==
  5598. ETH_PHY_DA_TWINAX));
  5599. if (is_serdes != serdes_phy_type)
  5600. continue;
  5601. if (params->phy[phy_index].read_status) {
  5602. ext_phy_link_up |=
  5603. params->phy[phy_index].read_status(
  5604. &params->phy[phy_index],
  5605. params, &temp_vars);
  5606. }
  5607. }
  5608. break;
  5609. }
  5610. if (ext_phy_link_up)
  5611. return 0;
  5612. return -ESRCH;
  5613. }
  5614. static int bnx2x_link_initialize(struct link_params *params,
  5615. struct link_vars *vars)
  5616. {
  5617. int rc = 0;
  5618. u8 phy_index, non_ext_phy;
  5619. struct bnx2x *bp = params->bp;
  5620. /* In case of external phy existence, the line speed would be the
  5621. * line speed linked up by the external phy. In case it is direct
  5622. * only, then the line_speed during initialization will be
  5623. * equal to the req_line_speed
  5624. */
  5625. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5626. /* Initialize the internal phy in case this is a direct board
  5627. * (no external phys), or this board has external phy which requires
  5628. * to first.
  5629. */
  5630. if (!USES_WARPCORE(bp))
  5631. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5632. /* init ext phy and enable link state int */
  5633. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5634. (params->loopback_mode == LOOPBACK_XGXS));
  5635. if (non_ext_phy ||
  5636. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5637. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5638. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5639. if (vars->line_speed == SPEED_AUTO_NEG &&
  5640. (CHIP_IS_E1x(bp) ||
  5641. CHIP_IS_E2(bp)))
  5642. bnx2x_set_parallel_detection(phy, params);
  5643. if (params->phy[INT_PHY].config_init)
  5644. params->phy[INT_PHY].config_init(phy,
  5645. params,
  5646. vars);
  5647. }
  5648. /* Init external phy*/
  5649. if (non_ext_phy) {
  5650. if (params->phy[INT_PHY].supported &
  5651. SUPPORTED_FIBRE)
  5652. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5653. } else {
  5654. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5655. phy_index++) {
  5656. /* No need to initialize second phy in case of first
  5657. * phy only selection. In case of second phy, we do
  5658. * need to initialize the first phy, since they are
  5659. * connected.
  5660. */
  5661. if (params->phy[phy_index].supported &
  5662. SUPPORTED_FIBRE)
  5663. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5664. if (phy_index == EXT_PHY2 &&
  5665. (bnx2x_phy_selection(params) ==
  5666. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5667. DP(NETIF_MSG_LINK,
  5668. "Not initializing second phy\n");
  5669. continue;
  5670. }
  5671. params->phy[phy_index].config_init(
  5672. &params->phy[phy_index],
  5673. params, vars);
  5674. }
  5675. }
  5676. /* Reset the interrupt indication after phy was initialized */
  5677. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5678. params->port*4,
  5679. (NIG_STATUS_XGXS0_LINK10G |
  5680. NIG_STATUS_XGXS0_LINK_STATUS |
  5681. NIG_STATUS_SERDES0_LINK_STATUS |
  5682. NIG_MASK_MI_INT));
  5683. return rc;
  5684. }
  5685. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5686. struct link_params *params)
  5687. {
  5688. /* Reset the SerDes/XGXS */
  5689. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5690. (0x1ff << (params->port*16)));
  5691. }
  5692. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5693. struct link_params *params)
  5694. {
  5695. struct bnx2x *bp = params->bp;
  5696. u8 gpio_port;
  5697. /* HW reset */
  5698. if (CHIP_IS_E2(bp))
  5699. gpio_port = BP_PATH(bp);
  5700. else
  5701. gpio_port = params->port;
  5702. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5703. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5704. gpio_port);
  5705. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5706. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5707. gpio_port);
  5708. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5709. }
  5710. static int bnx2x_update_link_down(struct link_params *params,
  5711. struct link_vars *vars)
  5712. {
  5713. struct bnx2x *bp = params->bp;
  5714. u8 port = params->port;
  5715. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5716. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5717. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5718. /* Indicate no mac active */
  5719. vars->mac_type = MAC_TYPE_NONE;
  5720. /* Update shared memory */
  5721. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5722. LINK_STATUS_LINK_UP |
  5723. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5724. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5725. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5726. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5727. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5728. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5729. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5730. vars->line_speed = 0;
  5731. bnx2x_update_mng(params, vars->link_status);
  5732. /* Activate nig drain */
  5733. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5734. /* Disable emac */
  5735. if (!CHIP_IS_E3(bp))
  5736. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5737. usleep_range(10000, 20000);
  5738. /* Reset BigMac/Xmac */
  5739. if (CHIP_IS_E1x(bp) ||
  5740. CHIP_IS_E2(bp)) {
  5741. bnx2x_bmac_rx_disable(bp, params->port);
  5742. REG_WR(bp, GRCBASE_MISC +
  5743. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5744. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5745. }
  5746. if (CHIP_IS_E3(bp)) {
  5747. /* Prevent LPI Generation by chip */
  5748. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5749. 0);
  5750. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5751. 0);
  5752. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5753. SHMEM_EEE_ACTIVE_BIT);
  5754. bnx2x_update_mng_eee(params, vars->eee_status);
  5755. bnx2x_xmac_disable(params);
  5756. bnx2x_umac_disable(params);
  5757. }
  5758. return 0;
  5759. }
  5760. static int bnx2x_update_link_up(struct link_params *params,
  5761. struct link_vars *vars,
  5762. u8 link_10g)
  5763. {
  5764. struct bnx2x *bp = params->bp;
  5765. u8 phy_idx, port = params->port;
  5766. int rc = 0;
  5767. vars->link_status |= (LINK_STATUS_LINK_UP |
  5768. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5769. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5770. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5771. vars->link_status |=
  5772. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5773. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5774. vars->link_status |=
  5775. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5776. if (USES_WARPCORE(bp)) {
  5777. if (link_10g) {
  5778. if (bnx2x_xmac_enable(params, vars, 0) ==
  5779. -ESRCH) {
  5780. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5781. vars->link_up = 0;
  5782. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5783. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5784. }
  5785. } else
  5786. bnx2x_umac_enable(params, vars, 0);
  5787. bnx2x_set_led(params, vars,
  5788. LED_MODE_OPER, vars->line_speed);
  5789. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5790. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5791. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5792. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5793. (params->port << 2), 1);
  5794. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5795. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5796. (params->port << 2), 0xfc20);
  5797. }
  5798. }
  5799. if ((CHIP_IS_E1x(bp) ||
  5800. CHIP_IS_E2(bp))) {
  5801. if (link_10g) {
  5802. if (bnx2x_bmac_enable(params, vars, 0) ==
  5803. -ESRCH) {
  5804. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5805. vars->link_up = 0;
  5806. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5807. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5808. }
  5809. bnx2x_set_led(params, vars,
  5810. LED_MODE_OPER, SPEED_10000);
  5811. } else {
  5812. rc = bnx2x_emac_program(params, vars);
  5813. bnx2x_emac_enable(params, vars, 0);
  5814. /* AN complete? */
  5815. if ((vars->link_status &
  5816. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5817. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5818. SINGLE_MEDIA_DIRECT(params))
  5819. bnx2x_set_gmii_tx_driver(params);
  5820. }
  5821. }
  5822. /* PBF - link up */
  5823. if (CHIP_IS_E1x(bp))
  5824. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5825. vars->line_speed);
  5826. /* Disable drain */
  5827. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5828. /* Update shared memory */
  5829. bnx2x_update_mng(params, vars->link_status);
  5830. bnx2x_update_mng_eee(params, vars->eee_status);
  5831. /* Check remote fault */
  5832. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5833. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5834. bnx2x_check_half_open_conn(params, vars, 0);
  5835. break;
  5836. }
  5837. }
  5838. msleep(20);
  5839. return rc;
  5840. }
  5841. /* The bnx2x_link_update function should be called upon link
  5842. * interrupt.
  5843. * Link is considered up as follows:
  5844. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5845. * to be up
  5846. * - SINGLE_MEDIA - The link between the 577xx and the external
  5847. * phy (XGXS) need to up as well as the external link of the
  5848. * phy (PHY_EXT1)
  5849. * - DUAL_MEDIA - The link between the 577xx and the first
  5850. * external phy needs to be up, and at least one of the 2
  5851. * external phy link must be up.
  5852. */
  5853. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5854. {
  5855. struct bnx2x *bp = params->bp;
  5856. struct link_vars phy_vars[MAX_PHYS];
  5857. u8 port = params->port;
  5858. u8 link_10g_plus, phy_index;
  5859. u8 ext_phy_link_up = 0, cur_link_up;
  5860. int rc = 0;
  5861. u8 is_mi_int = 0;
  5862. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5863. u8 active_external_phy = INT_PHY;
  5864. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5865. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5866. phy_index++) {
  5867. phy_vars[phy_index].flow_ctrl = 0;
  5868. phy_vars[phy_index].link_status = 0;
  5869. phy_vars[phy_index].line_speed = 0;
  5870. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5871. phy_vars[phy_index].phy_link_up = 0;
  5872. phy_vars[phy_index].link_up = 0;
  5873. phy_vars[phy_index].fault_detected = 0;
  5874. /* different consideration, since vars holds inner state */
  5875. phy_vars[phy_index].eee_status = vars->eee_status;
  5876. }
  5877. if (USES_WARPCORE(bp))
  5878. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5879. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5880. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5881. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5882. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5883. port*0x18) > 0);
  5884. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5885. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5886. is_mi_int,
  5887. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5888. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5889. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5890. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5891. /* Disable emac */
  5892. if (!CHIP_IS_E3(bp))
  5893. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5894. /* Step 1:
  5895. * Check external link change only for external phys, and apply
  5896. * priority selection between them in case the link on both phys
  5897. * is up. Note that instead of the common vars, a temporary
  5898. * vars argument is used since each phy may have different link/
  5899. * speed/duplex result
  5900. */
  5901. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5902. phy_index++) {
  5903. struct bnx2x_phy *phy = &params->phy[phy_index];
  5904. if (!phy->read_status)
  5905. continue;
  5906. /* Read link status and params of this ext phy */
  5907. cur_link_up = phy->read_status(phy, params,
  5908. &phy_vars[phy_index]);
  5909. if (cur_link_up) {
  5910. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5911. phy_index);
  5912. } else {
  5913. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5914. phy_index);
  5915. continue;
  5916. }
  5917. if (!ext_phy_link_up) {
  5918. ext_phy_link_up = 1;
  5919. active_external_phy = phy_index;
  5920. } else {
  5921. switch (bnx2x_phy_selection(params)) {
  5922. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5923. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5924. /* In this option, the first PHY makes sure to pass the
  5925. * traffic through itself only.
  5926. * Its not clear how to reset the link on the second phy
  5927. */
  5928. active_external_phy = EXT_PHY1;
  5929. break;
  5930. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5931. /* In this option, the first PHY makes sure to pass the
  5932. * traffic through the second PHY.
  5933. */
  5934. active_external_phy = EXT_PHY2;
  5935. break;
  5936. default:
  5937. /* Link indication on both PHYs with the following cases
  5938. * is invalid:
  5939. * - FIRST_PHY means that second phy wasn't initialized,
  5940. * hence its link is expected to be down
  5941. * - SECOND_PHY means that first phy should not be able
  5942. * to link up by itself (using configuration)
  5943. * - DEFAULT should be overriden during initialiazation
  5944. */
  5945. DP(NETIF_MSG_LINK, "Invalid link indication"
  5946. "mpc=0x%x. DISABLING LINK !!!\n",
  5947. params->multi_phy_config);
  5948. ext_phy_link_up = 0;
  5949. break;
  5950. }
  5951. }
  5952. }
  5953. prev_line_speed = vars->line_speed;
  5954. /* Step 2:
  5955. * Read the status of the internal phy. In case of
  5956. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5957. * otherwise this is the link between the 577xx and the first
  5958. * external phy
  5959. */
  5960. if (params->phy[INT_PHY].read_status)
  5961. params->phy[INT_PHY].read_status(
  5962. &params->phy[INT_PHY],
  5963. params, vars);
  5964. /* The INT_PHY flow control reside in the vars. This include the
  5965. * case where the speed or flow control are not set to AUTO.
  5966. * Otherwise, the active external phy flow control result is set
  5967. * to the vars. The ext_phy_line_speed is needed to check if the
  5968. * speed is different between the internal phy and external phy.
  5969. * This case may be result of intermediate link speed change.
  5970. */
  5971. if (active_external_phy > INT_PHY) {
  5972. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5973. /* Link speed is taken from the XGXS. AN and FC result from
  5974. * the external phy.
  5975. */
  5976. vars->link_status |= phy_vars[active_external_phy].link_status;
  5977. /* if active_external_phy is first PHY and link is up - disable
  5978. * disable TX on second external PHY
  5979. */
  5980. if (active_external_phy == EXT_PHY1) {
  5981. if (params->phy[EXT_PHY2].phy_specific_func) {
  5982. DP(NETIF_MSG_LINK,
  5983. "Disabling TX on EXT_PHY2\n");
  5984. params->phy[EXT_PHY2].phy_specific_func(
  5985. &params->phy[EXT_PHY2],
  5986. params, DISABLE_TX);
  5987. }
  5988. }
  5989. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5990. vars->duplex = phy_vars[active_external_phy].duplex;
  5991. if (params->phy[active_external_phy].supported &
  5992. SUPPORTED_FIBRE)
  5993. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5994. else
  5995. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5996. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5997. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5998. active_external_phy);
  5999. }
  6000. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6001. phy_index++) {
  6002. if (params->phy[phy_index].flags &
  6003. FLAGS_REARM_LATCH_SIGNAL) {
  6004. bnx2x_rearm_latch_signal(bp, port,
  6005. phy_index ==
  6006. active_external_phy);
  6007. break;
  6008. }
  6009. }
  6010. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6011. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6012. vars->link_status, ext_phy_line_speed);
  6013. /* Upon link speed change set the NIG into drain mode. Comes to
  6014. * deals with possible FIFO glitch due to clk change when speed
  6015. * is decreased without link down indicator
  6016. */
  6017. if (vars->phy_link_up) {
  6018. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6019. (ext_phy_line_speed != vars->line_speed)) {
  6020. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6021. " different than the external"
  6022. " link speed %d\n", vars->line_speed,
  6023. ext_phy_line_speed);
  6024. vars->phy_link_up = 0;
  6025. } else if (prev_line_speed != vars->line_speed) {
  6026. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6027. 0);
  6028. usleep_range(1000, 2000);
  6029. }
  6030. }
  6031. /* Anything 10 and over uses the bmac */
  6032. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6033. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6034. /* In case external phy link is up, and internal link is down
  6035. * (not initialized yet probably after link initialization, it
  6036. * needs to be initialized.
  6037. * Note that after link down-up as result of cable plug, the xgxs
  6038. * link would probably become up again without the need
  6039. * initialize it
  6040. */
  6041. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6042. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6043. " init_preceding = %d\n", ext_phy_link_up,
  6044. vars->phy_link_up,
  6045. params->phy[EXT_PHY1].flags &
  6046. FLAGS_INIT_XGXS_FIRST);
  6047. if (!(params->phy[EXT_PHY1].flags &
  6048. FLAGS_INIT_XGXS_FIRST)
  6049. && ext_phy_link_up && !vars->phy_link_up) {
  6050. vars->line_speed = ext_phy_line_speed;
  6051. if (vars->line_speed < SPEED_1000)
  6052. vars->phy_flags |= PHY_SGMII_FLAG;
  6053. else
  6054. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6055. if (params->phy[INT_PHY].config_init)
  6056. params->phy[INT_PHY].config_init(
  6057. &params->phy[INT_PHY], params,
  6058. vars);
  6059. }
  6060. }
  6061. /* Link is up only if both local phy and external phy (in case of
  6062. * non-direct board) are up and no fault detected on active PHY.
  6063. */
  6064. vars->link_up = (vars->phy_link_up &&
  6065. (ext_phy_link_up ||
  6066. SINGLE_MEDIA_DIRECT(params)) &&
  6067. (phy_vars[active_external_phy].fault_detected == 0));
  6068. /* Update the PFC configuration in case it was changed */
  6069. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6070. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6071. else
  6072. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6073. if (vars->link_up)
  6074. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6075. else
  6076. rc = bnx2x_update_link_down(params, vars);
  6077. /* Update MCP link status was changed */
  6078. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6079. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6080. return rc;
  6081. }
  6082. /*****************************************************************************/
  6083. /* External Phy section */
  6084. /*****************************************************************************/
  6085. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6086. {
  6087. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6088. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6089. usleep_range(1000, 2000);
  6090. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6091. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6092. }
  6093. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6094. u32 spirom_ver, u32 ver_addr)
  6095. {
  6096. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6097. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6098. if (ver_addr)
  6099. REG_WR(bp, ver_addr, spirom_ver);
  6100. }
  6101. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6102. struct bnx2x_phy *phy,
  6103. u8 port)
  6104. {
  6105. u16 fw_ver1, fw_ver2;
  6106. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6107. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6108. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6109. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6110. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6111. phy->ver_addr);
  6112. }
  6113. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6114. struct bnx2x_phy *phy,
  6115. struct link_vars *vars)
  6116. {
  6117. u16 val;
  6118. bnx2x_cl45_read(bp, phy,
  6119. MDIO_AN_DEVAD,
  6120. MDIO_AN_REG_STATUS, &val);
  6121. bnx2x_cl45_read(bp, phy,
  6122. MDIO_AN_DEVAD,
  6123. MDIO_AN_REG_STATUS, &val);
  6124. if (val & (1<<5))
  6125. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6126. if ((val & (1<<0)) == 0)
  6127. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6128. }
  6129. /******************************************************************/
  6130. /* common BCM8073/BCM8727 PHY SECTION */
  6131. /******************************************************************/
  6132. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6133. struct link_params *params,
  6134. struct link_vars *vars)
  6135. {
  6136. struct bnx2x *bp = params->bp;
  6137. if (phy->req_line_speed == SPEED_10 ||
  6138. phy->req_line_speed == SPEED_100) {
  6139. vars->flow_ctrl = phy->req_flow_ctrl;
  6140. return;
  6141. }
  6142. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6143. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6144. u16 pause_result;
  6145. u16 ld_pause; /* local */
  6146. u16 lp_pause; /* link partner */
  6147. bnx2x_cl45_read(bp, phy,
  6148. MDIO_AN_DEVAD,
  6149. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6150. bnx2x_cl45_read(bp, phy,
  6151. MDIO_AN_DEVAD,
  6152. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6153. pause_result = (ld_pause &
  6154. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6155. pause_result |= (lp_pause &
  6156. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6157. bnx2x_pause_resolve(vars, pause_result);
  6158. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6159. pause_result);
  6160. }
  6161. }
  6162. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6163. struct bnx2x_phy *phy,
  6164. u8 port)
  6165. {
  6166. u32 count = 0;
  6167. u16 fw_ver1, fw_msgout;
  6168. int rc = 0;
  6169. /* Boot port from external ROM */
  6170. /* EDC grst */
  6171. bnx2x_cl45_write(bp, phy,
  6172. MDIO_PMA_DEVAD,
  6173. MDIO_PMA_REG_GEN_CTRL,
  6174. 0x0001);
  6175. /* Ucode reboot and rst */
  6176. bnx2x_cl45_write(bp, phy,
  6177. MDIO_PMA_DEVAD,
  6178. MDIO_PMA_REG_GEN_CTRL,
  6179. 0x008c);
  6180. bnx2x_cl45_write(bp, phy,
  6181. MDIO_PMA_DEVAD,
  6182. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6183. /* Reset internal microprocessor */
  6184. bnx2x_cl45_write(bp, phy,
  6185. MDIO_PMA_DEVAD,
  6186. MDIO_PMA_REG_GEN_CTRL,
  6187. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6188. /* Release srst bit */
  6189. bnx2x_cl45_write(bp, phy,
  6190. MDIO_PMA_DEVAD,
  6191. MDIO_PMA_REG_GEN_CTRL,
  6192. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6193. /* Delay 100ms per the PHY specifications */
  6194. msleep(100);
  6195. /* 8073 sometimes taking longer to download */
  6196. do {
  6197. count++;
  6198. if (count > 300) {
  6199. DP(NETIF_MSG_LINK,
  6200. "bnx2x_8073_8727_external_rom_boot port %x:"
  6201. "Download failed. fw version = 0x%x\n",
  6202. port, fw_ver1);
  6203. rc = -EINVAL;
  6204. break;
  6205. }
  6206. bnx2x_cl45_read(bp, phy,
  6207. MDIO_PMA_DEVAD,
  6208. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6209. bnx2x_cl45_read(bp, phy,
  6210. MDIO_PMA_DEVAD,
  6211. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6212. usleep_range(1000, 2000);
  6213. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6214. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6215. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6216. /* Clear ser_boot_ctl bit */
  6217. bnx2x_cl45_write(bp, phy,
  6218. MDIO_PMA_DEVAD,
  6219. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6220. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6221. DP(NETIF_MSG_LINK,
  6222. "bnx2x_8073_8727_external_rom_boot port %x:"
  6223. "Download complete. fw version = 0x%x\n",
  6224. port, fw_ver1);
  6225. return rc;
  6226. }
  6227. /******************************************************************/
  6228. /* BCM8073 PHY SECTION */
  6229. /******************************************************************/
  6230. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6231. {
  6232. /* This is only required for 8073A1, version 102 only */
  6233. u16 val;
  6234. /* Read 8073 HW revision*/
  6235. bnx2x_cl45_read(bp, phy,
  6236. MDIO_PMA_DEVAD,
  6237. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6238. if (val != 1) {
  6239. /* No need to workaround in 8073 A1 */
  6240. return 0;
  6241. }
  6242. bnx2x_cl45_read(bp, phy,
  6243. MDIO_PMA_DEVAD,
  6244. MDIO_PMA_REG_ROM_VER2, &val);
  6245. /* SNR should be applied only for version 0x102 */
  6246. if (val != 0x102)
  6247. return 0;
  6248. return 1;
  6249. }
  6250. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6251. {
  6252. u16 val, cnt, cnt1 ;
  6253. bnx2x_cl45_read(bp, phy,
  6254. MDIO_PMA_DEVAD,
  6255. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6256. if (val > 0) {
  6257. /* No need to workaround in 8073 A1 */
  6258. return 0;
  6259. }
  6260. /* XAUI workaround in 8073 A0: */
  6261. /* After loading the boot ROM and restarting Autoneg, poll
  6262. * Dev1, Reg $C820:
  6263. */
  6264. for (cnt = 0; cnt < 1000; cnt++) {
  6265. bnx2x_cl45_read(bp, phy,
  6266. MDIO_PMA_DEVAD,
  6267. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6268. &val);
  6269. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6270. * system initialization (XAUI work-around not required, as
  6271. * these bits indicate 2.5G or 1G link up).
  6272. */
  6273. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6274. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6275. return 0;
  6276. } else if (!(val & (1<<15))) {
  6277. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6278. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6279. * MSB (bit15) goes to 1 (indicating that the XAUI
  6280. * workaround has completed), then continue on with
  6281. * system initialization.
  6282. */
  6283. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6284. bnx2x_cl45_read(bp, phy,
  6285. MDIO_PMA_DEVAD,
  6286. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6287. if (val & (1<<15)) {
  6288. DP(NETIF_MSG_LINK,
  6289. "XAUI workaround has completed\n");
  6290. return 0;
  6291. }
  6292. usleep_range(3000, 6000);
  6293. }
  6294. break;
  6295. }
  6296. usleep_range(3000, 6000);
  6297. }
  6298. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6299. return -EINVAL;
  6300. }
  6301. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6302. {
  6303. /* Force KR or KX */
  6304. bnx2x_cl45_write(bp, phy,
  6305. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6306. bnx2x_cl45_write(bp, phy,
  6307. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6308. bnx2x_cl45_write(bp, phy,
  6309. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6310. bnx2x_cl45_write(bp, phy,
  6311. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6312. }
  6313. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6314. struct bnx2x_phy *phy,
  6315. struct link_vars *vars)
  6316. {
  6317. u16 cl37_val;
  6318. struct bnx2x *bp = params->bp;
  6319. bnx2x_cl45_read(bp, phy,
  6320. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6321. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6322. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6323. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6324. if ((vars->ieee_fc &
  6325. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6326. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6327. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6328. }
  6329. if ((vars->ieee_fc &
  6330. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6331. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6332. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6333. }
  6334. if ((vars->ieee_fc &
  6335. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6336. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6337. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6338. }
  6339. DP(NETIF_MSG_LINK,
  6340. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6341. bnx2x_cl45_write(bp, phy,
  6342. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6343. msleep(500);
  6344. }
  6345. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6346. struct link_params *params,
  6347. struct link_vars *vars)
  6348. {
  6349. struct bnx2x *bp = params->bp;
  6350. u16 val = 0, tmp1;
  6351. u8 gpio_port;
  6352. DP(NETIF_MSG_LINK, "Init 8073\n");
  6353. if (CHIP_IS_E2(bp))
  6354. gpio_port = BP_PATH(bp);
  6355. else
  6356. gpio_port = params->port;
  6357. /* Restore normal power mode*/
  6358. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6359. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6360. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6361. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6362. /* Enable LASI */
  6363. bnx2x_cl45_write(bp, phy,
  6364. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6365. bnx2x_cl45_write(bp, phy,
  6366. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6367. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6368. bnx2x_cl45_read(bp, phy,
  6369. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6370. bnx2x_cl45_read(bp, phy,
  6371. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6372. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6373. /* Swap polarity if required - Must be done only in non-1G mode */
  6374. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6375. /* Configure the 8073 to swap _P and _N of the KR lines */
  6376. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6377. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6378. bnx2x_cl45_read(bp, phy,
  6379. MDIO_PMA_DEVAD,
  6380. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6381. bnx2x_cl45_write(bp, phy,
  6382. MDIO_PMA_DEVAD,
  6383. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6384. (val | (3<<9)));
  6385. }
  6386. /* Enable CL37 BAM */
  6387. if (REG_RD(bp, params->shmem_base +
  6388. offsetof(struct shmem_region, dev_info.
  6389. port_hw_config[params->port].default_cfg)) &
  6390. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6391. bnx2x_cl45_read(bp, phy,
  6392. MDIO_AN_DEVAD,
  6393. MDIO_AN_REG_8073_BAM, &val);
  6394. bnx2x_cl45_write(bp, phy,
  6395. MDIO_AN_DEVAD,
  6396. MDIO_AN_REG_8073_BAM, val | 1);
  6397. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6398. }
  6399. if (params->loopback_mode == LOOPBACK_EXT) {
  6400. bnx2x_807x_force_10G(bp, phy);
  6401. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6402. return 0;
  6403. } else {
  6404. bnx2x_cl45_write(bp, phy,
  6405. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6406. }
  6407. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6408. if (phy->req_line_speed == SPEED_10000) {
  6409. val = (1<<7);
  6410. } else if (phy->req_line_speed == SPEED_2500) {
  6411. val = (1<<5);
  6412. /* Note that 2.5G works only when used with 1G
  6413. * advertisement
  6414. */
  6415. } else
  6416. val = (1<<5);
  6417. } else {
  6418. val = 0;
  6419. if (phy->speed_cap_mask &
  6420. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6421. val |= (1<<7);
  6422. /* Note that 2.5G works only when used with 1G advertisement */
  6423. if (phy->speed_cap_mask &
  6424. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6425. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6426. val |= (1<<5);
  6427. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6428. }
  6429. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6430. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6431. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6432. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6433. (phy->req_line_speed == SPEED_2500)) {
  6434. u16 phy_ver;
  6435. /* Allow 2.5G for A1 and above */
  6436. bnx2x_cl45_read(bp, phy,
  6437. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6438. &phy_ver);
  6439. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6440. if (phy_ver > 0)
  6441. tmp1 |= 1;
  6442. else
  6443. tmp1 &= 0xfffe;
  6444. } else {
  6445. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6446. tmp1 &= 0xfffe;
  6447. }
  6448. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6449. /* Add support for CL37 (passive mode) II */
  6450. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6451. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6452. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6453. 0x20 : 0x40)));
  6454. /* Add support for CL37 (passive mode) III */
  6455. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6456. /* The SNR will improve about 2db by changing BW and FEE main
  6457. * tap. Rest commands are executed after link is up
  6458. * Change FFE main cursor to 5 in EDC register
  6459. */
  6460. if (bnx2x_8073_is_snr_needed(bp, phy))
  6461. bnx2x_cl45_write(bp, phy,
  6462. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6463. 0xFB0C);
  6464. /* Enable FEC (Forware Error Correction) Request in the AN */
  6465. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6466. tmp1 |= (1<<15);
  6467. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6468. bnx2x_ext_phy_set_pause(params, phy, vars);
  6469. /* Restart autoneg */
  6470. msleep(500);
  6471. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6472. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6473. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6474. return 0;
  6475. }
  6476. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6477. struct link_params *params,
  6478. struct link_vars *vars)
  6479. {
  6480. struct bnx2x *bp = params->bp;
  6481. u8 link_up = 0;
  6482. u16 val1, val2;
  6483. u16 link_status = 0;
  6484. u16 an1000_status = 0;
  6485. bnx2x_cl45_read(bp, phy,
  6486. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6487. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6488. /* Clear the interrupt LASI status register */
  6489. bnx2x_cl45_read(bp, phy,
  6490. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6491. bnx2x_cl45_read(bp, phy,
  6492. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6493. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6494. /* Clear MSG-OUT */
  6495. bnx2x_cl45_read(bp, phy,
  6496. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6497. /* Check the LASI */
  6498. bnx2x_cl45_read(bp, phy,
  6499. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6500. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6501. /* Check the link status */
  6502. bnx2x_cl45_read(bp, phy,
  6503. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6504. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6505. bnx2x_cl45_read(bp, phy,
  6506. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6507. bnx2x_cl45_read(bp, phy,
  6508. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6509. link_up = ((val1 & 4) == 4);
  6510. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6511. if (link_up &&
  6512. ((phy->req_line_speed != SPEED_10000))) {
  6513. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6514. return 0;
  6515. }
  6516. bnx2x_cl45_read(bp, phy,
  6517. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6518. bnx2x_cl45_read(bp, phy,
  6519. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6520. /* Check the link status on 1.1.2 */
  6521. bnx2x_cl45_read(bp, phy,
  6522. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6523. bnx2x_cl45_read(bp, phy,
  6524. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6525. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6526. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6527. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6528. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6529. /* The SNR will improve about 2dbby changing the BW and FEE main
  6530. * tap. The 1st write to change FFE main tap is set before
  6531. * restart AN. Change PLL Bandwidth in EDC register
  6532. */
  6533. bnx2x_cl45_write(bp, phy,
  6534. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6535. 0x26BC);
  6536. /* Change CDR Bandwidth in EDC register */
  6537. bnx2x_cl45_write(bp, phy,
  6538. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6539. 0x0333);
  6540. }
  6541. bnx2x_cl45_read(bp, phy,
  6542. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6543. &link_status);
  6544. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6545. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6546. link_up = 1;
  6547. vars->line_speed = SPEED_10000;
  6548. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6549. params->port);
  6550. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6551. link_up = 1;
  6552. vars->line_speed = SPEED_2500;
  6553. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6554. params->port);
  6555. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6556. link_up = 1;
  6557. vars->line_speed = SPEED_1000;
  6558. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6559. params->port);
  6560. } else {
  6561. link_up = 0;
  6562. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6563. params->port);
  6564. }
  6565. if (link_up) {
  6566. /* Swap polarity if required */
  6567. if (params->lane_config &
  6568. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6569. /* Configure the 8073 to swap P and N of the KR lines */
  6570. bnx2x_cl45_read(bp, phy,
  6571. MDIO_XS_DEVAD,
  6572. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6573. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6574. * when it`s in 10G mode.
  6575. */
  6576. if (vars->line_speed == SPEED_1000) {
  6577. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6578. "the 8073\n");
  6579. val1 |= (1<<3);
  6580. } else
  6581. val1 &= ~(1<<3);
  6582. bnx2x_cl45_write(bp, phy,
  6583. MDIO_XS_DEVAD,
  6584. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6585. val1);
  6586. }
  6587. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6588. bnx2x_8073_resolve_fc(phy, params, vars);
  6589. vars->duplex = DUPLEX_FULL;
  6590. }
  6591. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6592. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6593. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6594. if (val1 & (1<<5))
  6595. vars->link_status |=
  6596. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6597. if (val1 & (1<<7))
  6598. vars->link_status |=
  6599. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6600. }
  6601. return link_up;
  6602. }
  6603. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6604. struct link_params *params)
  6605. {
  6606. struct bnx2x *bp = params->bp;
  6607. u8 gpio_port;
  6608. if (CHIP_IS_E2(bp))
  6609. gpio_port = BP_PATH(bp);
  6610. else
  6611. gpio_port = params->port;
  6612. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6613. gpio_port);
  6614. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6615. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6616. gpio_port);
  6617. }
  6618. /******************************************************************/
  6619. /* BCM8705 PHY SECTION */
  6620. /******************************************************************/
  6621. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6622. struct link_params *params,
  6623. struct link_vars *vars)
  6624. {
  6625. struct bnx2x *bp = params->bp;
  6626. DP(NETIF_MSG_LINK, "init 8705\n");
  6627. /* Restore normal power mode*/
  6628. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6629. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6630. /* HW reset */
  6631. bnx2x_ext_phy_hw_reset(bp, params->port);
  6632. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6633. bnx2x_wait_reset_complete(bp, phy, params);
  6634. bnx2x_cl45_write(bp, phy,
  6635. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6636. bnx2x_cl45_write(bp, phy,
  6637. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6638. bnx2x_cl45_write(bp, phy,
  6639. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6640. bnx2x_cl45_write(bp, phy,
  6641. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6642. /* BCM8705 doesn't have microcode, hence the 0 */
  6643. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6644. return 0;
  6645. }
  6646. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6647. struct link_params *params,
  6648. struct link_vars *vars)
  6649. {
  6650. u8 link_up = 0;
  6651. u16 val1, rx_sd;
  6652. struct bnx2x *bp = params->bp;
  6653. DP(NETIF_MSG_LINK, "read status 8705\n");
  6654. bnx2x_cl45_read(bp, phy,
  6655. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6656. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6657. bnx2x_cl45_read(bp, phy,
  6658. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6659. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6660. bnx2x_cl45_read(bp, phy,
  6661. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6662. bnx2x_cl45_read(bp, phy,
  6663. MDIO_PMA_DEVAD, 0xc809, &val1);
  6664. bnx2x_cl45_read(bp, phy,
  6665. MDIO_PMA_DEVAD, 0xc809, &val1);
  6666. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6667. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6668. if (link_up) {
  6669. vars->line_speed = SPEED_10000;
  6670. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6671. }
  6672. return link_up;
  6673. }
  6674. /******************************************************************/
  6675. /* SFP+ module Section */
  6676. /******************************************************************/
  6677. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6678. struct bnx2x_phy *phy,
  6679. u8 pmd_dis)
  6680. {
  6681. struct bnx2x *bp = params->bp;
  6682. /* Disable transmitter only for bootcodes which can enable it afterwards
  6683. * (for D3 link)
  6684. */
  6685. if (pmd_dis) {
  6686. if (params->feature_config_flags &
  6687. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6688. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6689. else {
  6690. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6691. return;
  6692. }
  6693. } else
  6694. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6695. bnx2x_cl45_write(bp, phy,
  6696. MDIO_PMA_DEVAD,
  6697. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6698. }
  6699. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6700. {
  6701. u8 gpio_port;
  6702. u32 swap_val, swap_override;
  6703. struct bnx2x *bp = params->bp;
  6704. if (CHIP_IS_E2(bp))
  6705. gpio_port = BP_PATH(bp);
  6706. else
  6707. gpio_port = params->port;
  6708. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6709. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6710. return gpio_port ^ (swap_val && swap_override);
  6711. }
  6712. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6713. struct bnx2x_phy *phy,
  6714. u8 tx_en)
  6715. {
  6716. u16 val;
  6717. u8 port = params->port;
  6718. struct bnx2x *bp = params->bp;
  6719. u32 tx_en_mode;
  6720. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6721. tx_en_mode = REG_RD(bp, params->shmem_base +
  6722. offsetof(struct shmem_region,
  6723. dev_info.port_hw_config[port].sfp_ctrl)) &
  6724. PORT_HW_CFG_TX_LASER_MASK;
  6725. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6726. "mode = %x\n", tx_en, port, tx_en_mode);
  6727. switch (tx_en_mode) {
  6728. case PORT_HW_CFG_TX_LASER_MDIO:
  6729. bnx2x_cl45_read(bp, phy,
  6730. MDIO_PMA_DEVAD,
  6731. MDIO_PMA_REG_PHY_IDENTIFIER,
  6732. &val);
  6733. if (tx_en)
  6734. val &= ~(1<<15);
  6735. else
  6736. val |= (1<<15);
  6737. bnx2x_cl45_write(bp, phy,
  6738. MDIO_PMA_DEVAD,
  6739. MDIO_PMA_REG_PHY_IDENTIFIER,
  6740. val);
  6741. break;
  6742. case PORT_HW_CFG_TX_LASER_GPIO0:
  6743. case PORT_HW_CFG_TX_LASER_GPIO1:
  6744. case PORT_HW_CFG_TX_LASER_GPIO2:
  6745. case PORT_HW_CFG_TX_LASER_GPIO3:
  6746. {
  6747. u16 gpio_pin;
  6748. u8 gpio_port, gpio_mode;
  6749. if (tx_en)
  6750. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6751. else
  6752. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6753. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6754. gpio_port = bnx2x_get_gpio_port(params);
  6755. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6756. break;
  6757. }
  6758. default:
  6759. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6760. break;
  6761. }
  6762. }
  6763. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6764. struct bnx2x_phy *phy,
  6765. u8 tx_en)
  6766. {
  6767. struct bnx2x *bp = params->bp;
  6768. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6769. if (CHIP_IS_E3(bp))
  6770. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6771. else
  6772. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6773. }
  6774. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6775. struct link_params *params,
  6776. u16 addr, u8 byte_cnt, u8 *o_buf)
  6777. {
  6778. struct bnx2x *bp = params->bp;
  6779. u16 val = 0;
  6780. u16 i;
  6781. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6782. DP(NETIF_MSG_LINK,
  6783. "Reading from eeprom is limited to 0xf\n");
  6784. return -EINVAL;
  6785. }
  6786. /* Set the read command byte count */
  6787. bnx2x_cl45_write(bp, phy,
  6788. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6789. (byte_cnt | 0xa000));
  6790. /* Set the read command address */
  6791. bnx2x_cl45_write(bp, phy,
  6792. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6793. addr);
  6794. /* Activate read command */
  6795. bnx2x_cl45_write(bp, phy,
  6796. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6797. 0x2c0f);
  6798. /* Wait up to 500us for command complete status */
  6799. for (i = 0; i < 100; i++) {
  6800. bnx2x_cl45_read(bp, phy,
  6801. MDIO_PMA_DEVAD,
  6802. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6803. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6804. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6805. break;
  6806. udelay(5);
  6807. }
  6808. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6809. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6810. DP(NETIF_MSG_LINK,
  6811. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6812. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6813. return -EINVAL;
  6814. }
  6815. /* Read the buffer */
  6816. for (i = 0; i < byte_cnt; i++) {
  6817. bnx2x_cl45_read(bp, phy,
  6818. MDIO_PMA_DEVAD,
  6819. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6820. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6821. }
  6822. for (i = 0; i < 100; i++) {
  6823. bnx2x_cl45_read(bp, phy,
  6824. MDIO_PMA_DEVAD,
  6825. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6826. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6827. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6828. return 0;
  6829. usleep_range(1000, 2000);
  6830. }
  6831. return -EINVAL;
  6832. }
  6833. static void bnx2x_warpcore_power_module(struct link_params *params,
  6834. struct bnx2x_phy *phy,
  6835. u8 power)
  6836. {
  6837. u32 pin_cfg;
  6838. struct bnx2x *bp = params->bp;
  6839. pin_cfg = (REG_RD(bp, params->shmem_base +
  6840. offsetof(struct shmem_region,
  6841. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6842. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6843. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6844. if (pin_cfg == PIN_CFG_NA)
  6845. return;
  6846. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6847. power, pin_cfg);
  6848. /* Low ==> corresponding SFP+ module is powered
  6849. * high ==> the SFP+ module is powered down
  6850. */
  6851. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6852. }
  6853. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6854. struct link_params *params,
  6855. u16 addr, u8 byte_cnt,
  6856. u8 *o_buf)
  6857. {
  6858. int rc = 0;
  6859. u8 i, j = 0, cnt = 0;
  6860. u32 data_array[4];
  6861. u16 addr32;
  6862. struct bnx2x *bp = params->bp;
  6863. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6864. DP(NETIF_MSG_LINK,
  6865. "Reading from eeprom is limited to 16 bytes\n");
  6866. return -EINVAL;
  6867. }
  6868. /* 4 byte aligned address */
  6869. addr32 = addr & (~0x3);
  6870. do {
  6871. if (cnt == I2C_WA_PWR_ITER) {
  6872. bnx2x_warpcore_power_module(params, phy, 0);
  6873. /* Note that 100us are not enough here */
  6874. usleep_range(1000,1000);
  6875. bnx2x_warpcore_power_module(params, phy, 1);
  6876. }
  6877. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6878. data_array);
  6879. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6880. if (rc == 0) {
  6881. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6882. o_buf[j] = *((u8 *)data_array + i);
  6883. j++;
  6884. }
  6885. }
  6886. return rc;
  6887. }
  6888. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6889. struct link_params *params,
  6890. u16 addr, u8 byte_cnt, u8 *o_buf)
  6891. {
  6892. struct bnx2x *bp = params->bp;
  6893. u16 val, i;
  6894. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6895. DP(NETIF_MSG_LINK,
  6896. "Reading from eeprom is limited to 0xf\n");
  6897. return -EINVAL;
  6898. }
  6899. /* Need to read from 1.8000 to clear it */
  6900. bnx2x_cl45_read(bp, phy,
  6901. MDIO_PMA_DEVAD,
  6902. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6903. &val);
  6904. /* Set the read command byte count */
  6905. bnx2x_cl45_write(bp, phy,
  6906. MDIO_PMA_DEVAD,
  6907. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6908. ((byte_cnt < 2) ? 2 : byte_cnt));
  6909. /* Set the read command address */
  6910. bnx2x_cl45_write(bp, phy,
  6911. MDIO_PMA_DEVAD,
  6912. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6913. addr);
  6914. /* Set the destination address */
  6915. bnx2x_cl45_write(bp, phy,
  6916. MDIO_PMA_DEVAD,
  6917. 0x8004,
  6918. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6919. /* Activate read command */
  6920. bnx2x_cl45_write(bp, phy,
  6921. MDIO_PMA_DEVAD,
  6922. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6923. 0x8002);
  6924. /* Wait appropriate time for two-wire command to finish before
  6925. * polling the status register
  6926. */
  6927. usleep_range(1000, 2000);
  6928. /* Wait up to 500us for command complete status */
  6929. for (i = 0; i < 100; i++) {
  6930. bnx2x_cl45_read(bp, phy,
  6931. MDIO_PMA_DEVAD,
  6932. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6933. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6934. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6935. break;
  6936. udelay(5);
  6937. }
  6938. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6939. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6940. DP(NETIF_MSG_LINK,
  6941. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6942. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6943. return -EFAULT;
  6944. }
  6945. /* Read the buffer */
  6946. for (i = 0; i < byte_cnt; i++) {
  6947. bnx2x_cl45_read(bp, phy,
  6948. MDIO_PMA_DEVAD,
  6949. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6950. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6951. }
  6952. for (i = 0; i < 100; i++) {
  6953. bnx2x_cl45_read(bp, phy,
  6954. MDIO_PMA_DEVAD,
  6955. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6956. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6957. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6958. return 0;
  6959. usleep_range(1000, 2000);
  6960. }
  6961. return -EINVAL;
  6962. }
  6963. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6964. struct link_params *params, u16 addr,
  6965. u8 byte_cnt, u8 *o_buf)
  6966. {
  6967. int rc = -EOPNOTSUPP;
  6968. switch (phy->type) {
  6969. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6970. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6971. byte_cnt, o_buf);
  6972. break;
  6973. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6974. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6975. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6976. byte_cnt, o_buf);
  6977. break;
  6978. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6979. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6980. byte_cnt, o_buf);
  6981. break;
  6982. }
  6983. return rc;
  6984. }
  6985. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6986. struct link_params *params,
  6987. u16 *edc_mode)
  6988. {
  6989. struct bnx2x *bp = params->bp;
  6990. u32 sync_offset = 0, phy_idx, media_types;
  6991. u8 val[2], check_limiting_mode = 0;
  6992. *edc_mode = EDC_MODE_LIMITING;
  6993. phy->media_type = ETH_PHY_UNSPECIFIED;
  6994. /* First check for copper cable */
  6995. if (bnx2x_read_sfp_module_eeprom(phy,
  6996. params,
  6997. SFP_EEPROM_CON_TYPE_ADDR,
  6998. 2,
  6999. (u8 *)val) != 0) {
  7000. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7001. return -EINVAL;
  7002. }
  7003. switch (val[0]) {
  7004. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7005. {
  7006. u8 copper_module_type;
  7007. phy->media_type = ETH_PHY_DA_TWINAX;
  7008. /* Check if its active cable (includes SFP+ module)
  7009. * of passive cable
  7010. */
  7011. if (bnx2x_read_sfp_module_eeprom(phy,
  7012. params,
  7013. SFP_EEPROM_FC_TX_TECH_ADDR,
  7014. 1,
  7015. &copper_module_type) != 0) {
  7016. DP(NETIF_MSG_LINK,
  7017. "Failed to read copper-cable-type"
  7018. " from SFP+ EEPROM\n");
  7019. return -EINVAL;
  7020. }
  7021. if (copper_module_type &
  7022. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7023. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7024. check_limiting_mode = 1;
  7025. } else if (copper_module_type &
  7026. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7027. DP(NETIF_MSG_LINK,
  7028. "Passive Copper cable detected\n");
  7029. *edc_mode =
  7030. EDC_MODE_PASSIVE_DAC;
  7031. } else {
  7032. DP(NETIF_MSG_LINK,
  7033. "Unknown copper-cable-type 0x%x !!!\n",
  7034. copper_module_type);
  7035. return -EINVAL;
  7036. }
  7037. break;
  7038. }
  7039. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7040. check_limiting_mode = 1;
  7041. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7042. SFP_EEPROM_COMP_CODE_LR_MASK |
  7043. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7044. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7045. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7046. phy->req_line_speed = SPEED_1000;
  7047. } else {
  7048. int idx, cfg_idx = 0;
  7049. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7050. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7051. if (params->phy[idx].type == phy->type) {
  7052. cfg_idx = LINK_CONFIG_IDX(idx);
  7053. break;
  7054. }
  7055. }
  7056. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7057. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7058. }
  7059. break;
  7060. default:
  7061. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7062. val[0]);
  7063. return -EINVAL;
  7064. }
  7065. sync_offset = params->shmem_base +
  7066. offsetof(struct shmem_region,
  7067. dev_info.port_hw_config[params->port].media_type);
  7068. media_types = REG_RD(bp, sync_offset);
  7069. /* Update media type for non-PMF sync */
  7070. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7071. if (&(params->phy[phy_idx]) == phy) {
  7072. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7073. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7074. media_types |= ((phy->media_type &
  7075. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7076. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7077. break;
  7078. }
  7079. }
  7080. REG_WR(bp, sync_offset, media_types);
  7081. if (check_limiting_mode) {
  7082. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7083. if (bnx2x_read_sfp_module_eeprom(phy,
  7084. params,
  7085. SFP_EEPROM_OPTIONS_ADDR,
  7086. SFP_EEPROM_OPTIONS_SIZE,
  7087. options) != 0) {
  7088. DP(NETIF_MSG_LINK,
  7089. "Failed to read Option field from module EEPROM\n");
  7090. return -EINVAL;
  7091. }
  7092. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7093. *edc_mode = EDC_MODE_LINEAR;
  7094. else
  7095. *edc_mode = EDC_MODE_LIMITING;
  7096. }
  7097. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7098. return 0;
  7099. }
  7100. /* This function read the relevant field from the module (SFP+), and verify it
  7101. * is compliant with this board
  7102. */
  7103. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7104. struct link_params *params)
  7105. {
  7106. struct bnx2x *bp = params->bp;
  7107. u32 val, cmd;
  7108. u32 fw_resp, fw_cmd_param;
  7109. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7110. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7111. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7112. val = REG_RD(bp, params->shmem_base +
  7113. offsetof(struct shmem_region, dev_info.
  7114. port_feature_config[params->port].config));
  7115. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7116. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7117. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7118. return 0;
  7119. }
  7120. if (params->feature_config_flags &
  7121. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7122. /* Use specific phy request */
  7123. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7124. } else if (params->feature_config_flags &
  7125. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7126. /* Use first phy request only in case of non-dual media*/
  7127. if (DUAL_MEDIA(params)) {
  7128. DP(NETIF_MSG_LINK,
  7129. "FW does not support OPT MDL verification\n");
  7130. return -EINVAL;
  7131. }
  7132. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7133. } else {
  7134. /* No support in OPT MDL detection */
  7135. DP(NETIF_MSG_LINK,
  7136. "FW does not support OPT MDL verification\n");
  7137. return -EINVAL;
  7138. }
  7139. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7140. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7141. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7142. DP(NETIF_MSG_LINK, "Approved module\n");
  7143. return 0;
  7144. }
  7145. /* Format the warning message */
  7146. if (bnx2x_read_sfp_module_eeprom(phy,
  7147. params,
  7148. SFP_EEPROM_VENDOR_NAME_ADDR,
  7149. SFP_EEPROM_VENDOR_NAME_SIZE,
  7150. (u8 *)vendor_name))
  7151. vendor_name[0] = '\0';
  7152. else
  7153. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7154. if (bnx2x_read_sfp_module_eeprom(phy,
  7155. params,
  7156. SFP_EEPROM_PART_NO_ADDR,
  7157. SFP_EEPROM_PART_NO_SIZE,
  7158. (u8 *)vendor_pn))
  7159. vendor_pn[0] = '\0';
  7160. else
  7161. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7162. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7163. " Port %d from %s part number %s\n",
  7164. params->port, vendor_name, vendor_pn);
  7165. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7166. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7167. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7168. return -EINVAL;
  7169. }
  7170. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7171. struct link_params *params)
  7172. {
  7173. u8 val;
  7174. struct bnx2x *bp = params->bp;
  7175. u16 timeout;
  7176. /* Initialization time after hot-plug may take up to 300ms for
  7177. * some phys type ( e.g. JDSU )
  7178. */
  7179. for (timeout = 0; timeout < 60; timeout++) {
  7180. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7181. == 0) {
  7182. DP(NETIF_MSG_LINK,
  7183. "SFP+ module initialization took %d ms\n",
  7184. timeout * 5);
  7185. return 0;
  7186. }
  7187. usleep_range(5000, 10000);
  7188. }
  7189. return -EINVAL;
  7190. }
  7191. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7192. struct bnx2x_phy *phy,
  7193. u8 is_power_up) {
  7194. /* Make sure GPIOs are not using for LED mode */
  7195. u16 val;
  7196. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7197. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7198. * output
  7199. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7200. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7201. * where the 1st bit is the over-current(only input), and 2nd bit is
  7202. * for power( only output )
  7203. *
  7204. * In case of NOC feature is disabled and power is up, set GPIO control
  7205. * as input to enable listening of over-current indication
  7206. */
  7207. if (phy->flags & FLAGS_NOC)
  7208. return;
  7209. if (is_power_up)
  7210. val = (1<<4);
  7211. else
  7212. /* Set GPIO control to OUTPUT, and set the power bit
  7213. * to according to the is_power_up
  7214. */
  7215. val = (1<<1);
  7216. bnx2x_cl45_write(bp, phy,
  7217. MDIO_PMA_DEVAD,
  7218. MDIO_PMA_REG_8727_GPIO_CTRL,
  7219. val);
  7220. }
  7221. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7222. struct bnx2x_phy *phy,
  7223. u16 edc_mode)
  7224. {
  7225. u16 cur_limiting_mode;
  7226. bnx2x_cl45_read(bp, phy,
  7227. MDIO_PMA_DEVAD,
  7228. MDIO_PMA_REG_ROM_VER2,
  7229. &cur_limiting_mode);
  7230. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7231. cur_limiting_mode);
  7232. if (edc_mode == EDC_MODE_LIMITING) {
  7233. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7234. bnx2x_cl45_write(bp, phy,
  7235. MDIO_PMA_DEVAD,
  7236. MDIO_PMA_REG_ROM_VER2,
  7237. EDC_MODE_LIMITING);
  7238. } else { /* LRM mode ( default )*/
  7239. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7240. /* Changing to LRM mode takes quite few seconds. So do it only
  7241. * if current mode is limiting (default is LRM)
  7242. */
  7243. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7244. return 0;
  7245. bnx2x_cl45_write(bp, phy,
  7246. MDIO_PMA_DEVAD,
  7247. MDIO_PMA_REG_LRM_MODE,
  7248. 0);
  7249. bnx2x_cl45_write(bp, phy,
  7250. MDIO_PMA_DEVAD,
  7251. MDIO_PMA_REG_ROM_VER2,
  7252. 0x128);
  7253. bnx2x_cl45_write(bp, phy,
  7254. MDIO_PMA_DEVAD,
  7255. MDIO_PMA_REG_MISC_CTRL0,
  7256. 0x4008);
  7257. bnx2x_cl45_write(bp, phy,
  7258. MDIO_PMA_DEVAD,
  7259. MDIO_PMA_REG_LRM_MODE,
  7260. 0xaaaa);
  7261. }
  7262. return 0;
  7263. }
  7264. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7265. struct bnx2x_phy *phy,
  7266. u16 edc_mode)
  7267. {
  7268. u16 phy_identifier;
  7269. u16 rom_ver2_val;
  7270. bnx2x_cl45_read(bp, phy,
  7271. MDIO_PMA_DEVAD,
  7272. MDIO_PMA_REG_PHY_IDENTIFIER,
  7273. &phy_identifier);
  7274. bnx2x_cl45_write(bp, phy,
  7275. MDIO_PMA_DEVAD,
  7276. MDIO_PMA_REG_PHY_IDENTIFIER,
  7277. (phy_identifier & ~(1<<9)));
  7278. bnx2x_cl45_read(bp, phy,
  7279. MDIO_PMA_DEVAD,
  7280. MDIO_PMA_REG_ROM_VER2,
  7281. &rom_ver2_val);
  7282. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7283. bnx2x_cl45_write(bp, phy,
  7284. MDIO_PMA_DEVAD,
  7285. MDIO_PMA_REG_ROM_VER2,
  7286. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7287. bnx2x_cl45_write(bp, phy,
  7288. MDIO_PMA_DEVAD,
  7289. MDIO_PMA_REG_PHY_IDENTIFIER,
  7290. (phy_identifier | (1<<9)));
  7291. return 0;
  7292. }
  7293. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7294. struct link_params *params,
  7295. u32 action)
  7296. {
  7297. struct bnx2x *bp = params->bp;
  7298. switch (action) {
  7299. case DISABLE_TX:
  7300. bnx2x_sfp_set_transmitter(params, phy, 0);
  7301. break;
  7302. case ENABLE_TX:
  7303. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7304. bnx2x_sfp_set_transmitter(params, phy, 1);
  7305. break;
  7306. default:
  7307. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7308. action);
  7309. return;
  7310. }
  7311. }
  7312. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7313. u8 gpio_mode)
  7314. {
  7315. struct bnx2x *bp = params->bp;
  7316. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7317. offsetof(struct shmem_region,
  7318. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7319. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7320. switch (fault_led_gpio) {
  7321. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7322. return;
  7323. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7324. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7325. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7326. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7327. {
  7328. u8 gpio_port = bnx2x_get_gpio_port(params);
  7329. u16 gpio_pin = fault_led_gpio -
  7330. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7331. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7332. "pin %x port %x mode %x\n",
  7333. gpio_pin, gpio_port, gpio_mode);
  7334. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7335. }
  7336. break;
  7337. default:
  7338. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7339. fault_led_gpio);
  7340. }
  7341. }
  7342. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7343. u8 gpio_mode)
  7344. {
  7345. u32 pin_cfg;
  7346. u8 port = params->port;
  7347. struct bnx2x *bp = params->bp;
  7348. pin_cfg = (REG_RD(bp, params->shmem_base +
  7349. offsetof(struct shmem_region,
  7350. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7351. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7352. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7353. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7354. gpio_mode, pin_cfg);
  7355. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7356. }
  7357. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7358. u8 gpio_mode)
  7359. {
  7360. struct bnx2x *bp = params->bp;
  7361. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7362. if (CHIP_IS_E3(bp)) {
  7363. /* Low ==> if SFP+ module is supported otherwise
  7364. * High ==> if SFP+ module is not on the approved vendor list
  7365. */
  7366. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7367. } else
  7368. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7369. }
  7370. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7371. struct link_params *params)
  7372. {
  7373. struct bnx2x *bp = params->bp;
  7374. bnx2x_warpcore_power_module(params, phy, 0);
  7375. /* Put Warpcore in low power mode */
  7376. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7377. /* Put LCPLL in low power mode */
  7378. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7379. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7380. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7381. }
  7382. static void bnx2x_power_sfp_module(struct link_params *params,
  7383. struct bnx2x_phy *phy,
  7384. u8 power)
  7385. {
  7386. struct bnx2x *bp = params->bp;
  7387. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7388. switch (phy->type) {
  7389. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7390. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7391. bnx2x_8727_power_module(params->bp, phy, power);
  7392. break;
  7393. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7394. bnx2x_warpcore_power_module(params, phy, power);
  7395. break;
  7396. default:
  7397. break;
  7398. }
  7399. }
  7400. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7401. struct bnx2x_phy *phy,
  7402. u16 edc_mode)
  7403. {
  7404. u16 val = 0;
  7405. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7406. struct bnx2x *bp = params->bp;
  7407. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7408. /* This is a global register which controls all lanes */
  7409. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7410. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7411. val &= ~(0xf << (lane << 2));
  7412. switch (edc_mode) {
  7413. case EDC_MODE_LINEAR:
  7414. case EDC_MODE_LIMITING:
  7415. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7416. break;
  7417. case EDC_MODE_PASSIVE_DAC:
  7418. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7419. break;
  7420. default:
  7421. break;
  7422. }
  7423. val |= (mode << (lane << 2));
  7424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7425. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7426. /* A must read */
  7427. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7428. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7429. /* Restart microcode to re-read the new mode */
  7430. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7431. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7432. }
  7433. static void bnx2x_set_limiting_mode(struct link_params *params,
  7434. struct bnx2x_phy *phy,
  7435. u16 edc_mode)
  7436. {
  7437. switch (phy->type) {
  7438. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7439. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7440. break;
  7441. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7442. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7443. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7444. break;
  7445. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7446. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7447. break;
  7448. }
  7449. }
  7450. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7451. struct link_params *params)
  7452. {
  7453. struct bnx2x *bp = params->bp;
  7454. u16 edc_mode;
  7455. int rc = 0;
  7456. u32 val = REG_RD(bp, params->shmem_base +
  7457. offsetof(struct shmem_region, dev_info.
  7458. port_feature_config[params->port].config));
  7459. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7460. params->port);
  7461. /* Power up module */
  7462. bnx2x_power_sfp_module(params, phy, 1);
  7463. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7464. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7465. return -EINVAL;
  7466. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7467. /* Check SFP+ module compatibility */
  7468. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7469. rc = -EINVAL;
  7470. /* Turn on fault module-detected led */
  7471. bnx2x_set_sfp_module_fault_led(params,
  7472. MISC_REGISTERS_GPIO_HIGH);
  7473. /* Check if need to power down the SFP+ module */
  7474. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7475. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7476. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7477. bnx2x_power_sfp_module(params, phy, 0);
  7478. return rc;
  7479. }
  7480. } else {
  7481. /* Turn off fault module-detected led */
  7482. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7483. }
  7484. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7485. * is done automatically
  7486. */
  7487. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7488. /* Enable transmit for this module if the module is approved, or
  7489. * if unapproved modules should also enable the Tx laser
  7490. */
  7491. if (rc == 0 ||
  7492. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7493. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7494. bnx2x_sfp_set_transmitter(params, phy, 1);
  7495. else
  7496. bnx2x_sfp_set_transmitter(params, phy, 0);
  7497. return rc;
  7498. }
  7499. void bnx2x_handle_module_detect_int(struct link_params *params)
  7500. {
  7501. struct bnx2x *bp = params->bp;
  7502. struct bnx2x_phy *phy;
  7503. u32 gpio_val;
  7504. u8 gpio_num, gpio_port;
  7505. if (CHIP_IS_E3(bp))
  7506. phy = &params->phy[INT_PHY];
  7507. else
  7508. phy = &params->phy[EXT_PHY1];
  7509. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7510. params->port, &gpio_num, &gpio_port) ==
  7511. -EINVAL) {
  7512. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7513. return;
  7514. }
  7515. /* Set valid module led off */
  7516. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7517. /* Get current gpio val reflecting module plugged in / out*/
  7518. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7519. /* Call the handling function in case module is detected */
  7520. if (gpio_val == 0) {
  7521. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7522. bnx2x_set_aer_mmd(params, phy);
  7523. bnx2x_power_sfp_module(params, phy, 1);
  7524. bnx2x_set_gpio_int(bp, gpio_num,
  7525. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7526. gpio_port);
  7527. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7528. bnx2x_sfp_module_detection(phy, params);
  7529. if (CHIP_IS_E3(bp)) {
  7530. u16 rx_tx_in_reset;
  7531. /* In case WC is out of reset, reconfigure the
  7532. * link speed while taking into account 1G
  7533. * module limitation.
  7534. */
  7535. bnx2x_cl45_read(bp, phy,
  7536. MDIO_WC_DEVAD,
  7537. MDIO_WC_REG_DIGITAL5_MISC6,
  7538. &rx_tx_in_reset);
  7539. if (!rx_tx_in_reset) {
  7540. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7541. bnx2x_warpcore_config_sfi(phy, params);
  7542. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7543. }
  7544. }
  7545. } else {
  7546. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7547. }
  7548. } else {
  7549. u32 val = REG_RD(bp, params->shmem_base +
  7550. offsetof(struct shmem_region, dev_info.
  7551. port_feature_config[params->port].
  7552. config));
  7553. bnx2x_set_gpio_int(bp, gpio_num,
  7554. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7555. gpio_port);
  7556. /* Module was plugged out.
  7557. * Disable transmit for this module
  7558. */
  7559. phy->media_type = ETH_PHY_NOT_PRESENT;
  7560. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7561. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7562. CHIP_IS_E3(bp))
  7563. bnx2x_sfp_set_transmitter(params, phy, 0);
  7564. }
  7565. }
  7566. /******************************************************************/
  7567. /* Used by 8706 and 8727 */
  7568. /******************************************************************/
  7569. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7570. struct bnx2x_phy *phy,
  7571. u16 alarm_status_offset,
  7572. u16 alarm_ctrl_offset)
  7573. {
  7574. u16 alarm_status, val;
  7575. bnx2x_cl45_read(bp, phy,
  7576. MDIO_PMA_DEVAD, alarm_status_offset,
  7577. &alarm_status);
  7578. bnx2x_cl45_read(bp, phy,
  7579. MDIO_PMA_DEVAD, alarm_status_offset,
  7580. &alarm_status);
  7581. /* Mask or enable the fault event. */
  7582. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7583. if (alarm_status & (1<<0))
  7584. val &= ~(1<<0);
  7585. else
  7586. val |= (1<<0);
  7587. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7588. }
  7589. /******************************************************************/
  7590. /* common BCM8706/BCM8726 PHY SECTION */
  7591. /******************************************************************/
  7592. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7593. struct link_params *params,
  7594. struct link_vars *vars)
  7595. {
  7596. u8 link_up = 0;
  7597. u16 val1, val2, rx_sd, pcs_status;
  7598. struct bnx2x *bp = params->bp;
  7599. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7600. /* Clear RX Alarm*/
  7601. bnx2x_cl45_read(bp, phy,
  7602. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7603. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7604. MDIO_PMA_LASI_TXCTRL);
  7605. /* Clear LASI indication*/
  7606. bnx2x_cl45_read(bp, phy,
  7607. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7608. bnx2x_cl45_read(bp, phy,
  7609. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7610. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7611. bnx2x_cl45_read(bp, phy,
  7612. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7613. bnx2x_cl45_read(bp, phy,
  7614. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7615. bnx2x_cl45_read(bp, phy,
  7616. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7617. bnx2x_cl45_read(bp, phy,
  7618. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7619. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7620. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7621. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7622. * are set, or if the autoneg bit 1 is set
  7623. */
  7624. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7625. if (link_up) {
  7626. if (val2 & (1<<1))
  7627. vars->line_speed = SPEED_1000;
  7628. else
  7629. vars->line_speed = SPEED_10000;
  7630. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7631. vars->duplex = DUPLEX_FULL;
  7632. }
  7633. /* Capture 10G link fault. Read twice to clear stale value. */
  7634. if (vars->line_speed == SPEED_10000) {
  7635. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7636. MDIO_PMA_LASI_TXSTAT, &val1);
  7637. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7638. MDIO_PMA_LASI_TXSTAT, &val1);
  7639. if (val1 & (1<<0))
  7640. vars->fault_detected = 1;
  7641. }
  7642. return link_up;
  7643. }
  7644. /******************************************************************/
  7645. /* BCM8706 PHY SECTION */
  7646. /******************************************************************/
  7647. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7648. struct link_params *params,
  7649. struct link_vars *vars)
  7650. {
  7651. u32 tx_en_mode;
  7652. u16 cnt, val, tmp1;
  7653. struct bnx2x *bp = params->bp;
  7654. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7655. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7656. /* HW reset */
  7657. bnx2x_ext_phy_hw_reset(bp, params->port);
  7658. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7659. bnx2x_wait_reset_complete(bp, phy, params);
  7660. /* Wait until fw is loaded */
  7661. for (cnt = 0; cnt < 100; cnt++) {
  7662. bnx2x_cl45_read(bp, phy,
  7663. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7664. if (val)
  7665. break;
  7666. usleep_range(10000, 20000);
  7667. }
  7668. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7669. if ((params->feature_config_flags &
  7670. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7671. u8 i;
  7672. u16 reg;
  7673. for (i = 0; i < 4; i++) {
  7674. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7675. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7676. MDIO_XS_8706_REG_BANK_RX0);
  7677. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7678. /* Clear first 3 bits of the control */
  7679. val &= ~0x7;
  7680. /* Set control bits according to configuration */
  7681. val |= (phy->rx_preemphasis[i] & 0x7);
  7682. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7683. " reg 0x%x <-- val 0x%x\n", reg, val);
  7684. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7685. }
  7686. }
  7687. /* Force speed */
  7688. if (phy->req_line_speed == SPEED_10000) {
  7689. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7690. bnx2x_cl45_write(bp, phy,
  7691. MDIO_PMA_DEVAD,
  7692. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7693. bnx2x_cl45_write(bp, phy,
  7694. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7695. 0);
  7696. /* Arm LASI for link and Tx fault. */
  7697. bnx2x_cl45_write(bp, phy,
  7698. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7699. } else {
  7700. /* Force 1Gbps using autoneg with 1G advertisement */
  7701. /* Allow CL37 through CL73 */
  7702. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7705. /* Enable Full-Duplex advertisement on CL37 */
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7708. /* Enable CL37 AN */
  7709. bnx2x_cl45_write(bp, phy,
  7710. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7711. /* 1G support */
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7714. /* Enable clause 73 AN */
  7715. bnx2x_cl45_write(bp, phy,
  7716. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7717. bnx2x_cl45_write(bp, phy,
  7718. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7719. 0x0400);
  7720. bnx2x_cl45_write(bp, phy,
  7721. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7722. 0x0004);
  7723. }
  7724. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7725. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7726. * power mode, if TX Laser is disabled
  7727. */
  7728. tx_en_mode = REG_RD(bp, params->shmem_base +
  7729. offsetof(struct shmem_region,
  7730. dev_info.port_hw_config[params->port].sfp_ctrl))
  7731. & PORT_HW_CFG_TX_LASER_MASK;
  7732. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7733. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7734. bnx2x_cl45_read(bp, phy,
  7735. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7736. tmp1 |= 0x1;
  7737. bnx2x_cl45_write(bp, phy,
  7738. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7739. }
  7740. return 0;
  7741. }
  7742. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7743. struct link_params *params,
  7744. struct link_vars *vars)
  7745. {
  7746. return bnx2x_8706_8726_read_status(phy, params, vars);
  7747. }
  7748. /******************************************************************/
  7749. /* BCM8726 PHY SECTION */
  7750. /******************************************************************/
  7751. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7752. struct link_params *params)
  7753. {
  7754. struct bnx2x *bp = params->bp;
  7755. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7756. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7757. }
  7758. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7759. struct link_params *params)
  7760. {
  7761. struct bnx2x *bp = params->bp;
  7762. /* Need to wait 100ms after reset */
  7763. msleep(100);
  7764. /* Micro controller re-boot */
  7765. bnx2x_cl45_write(bp, phy,
  7766. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7767. /* Set soft reset */
  7768. bnx2x_cl45_write(bp, phy,
  7769. MDIO_PMA_DEVAD,
  7770. MDIO_PMA_REG_GEN_CTRL,
  7771. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7772. bnx2x_cl45_write(bp, phy,
  7773. MDIO_PMA_DEVAD,
  7774. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7775. bnx2x_cl45_write(bp, phy,
  7776. MDIO_PMA_DEVAD,
  7777. MDIO_PMA_REG_GEN_CTRL,
  7778. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7779. /* Wait for 150ms for microcode load */
  7780. msleep(150);
  7781. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_PMA_DEVAD,
  7784. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7785. msleep(200);
  7786. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7787. }
  7788. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7789. struct link_params *params,
  7790. struct link_vars *vars)
  7791. {
  7792. struct bnx2x *bp = params->bp;
  7793. u16 val1;
  7794. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7795. if (link_up) {
  7796. bnx2x_cl45_read(bp, phy,
  7797. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7798. &val1);
  7799. if (val1 & (1<<15)) {
  7800. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7801. link_up = 0;
  7802. vars->line_speed = 0;
  7803. }
  7804. }
  7805. return link_up;
  7806. }
  7807. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7808. struct link_params *params,
  7809. struct link_vars *vars)
  7810. {
  7811. struct bnx2x *bp = params->bp;
  7812. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7813. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7814. bnx2x_wait_reset_complete(bp, phy, params);
  7815. bnx2x_8726_external_rom_boot(phy, params);
  7816. /* Need to call module detected on initialization since the module
  7817. * detection triggered by actual module insertion might occur before
  7818. * driver is loaded, and when driver is loaded, it reset all
  7819. * registers, including the transmitter
  7820. */
  7821. bnx2x_sfp_module_detection(phy, params);
  7822. if (phy->req_line_speed == SPEED_1000) {
  7823. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7824. bnx2x_cl45_write(bp, phy,
  7825. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7826. bnx2x_cl45_write(bp, phy,
  7827. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7828. bnx2x_cl45_write(bp, phy,
  7829. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7830. bnx2x_cl45_write(bp, phy,
  7831. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7832. 0x400);
  7833. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7834. (phy->speed_cap_mask &
  7835. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7836. ((phy->speed_cap_mask &
  7837. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7838. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7839. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7840. /* Set Flow control */
  7841. bnx2x_ext_phy_set_pause(params, phy, vars);
  7842. bnx2x_cl45_write(bp, phy,
  7843. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7844. bnx2x_cl45_write(bp, phy,
  7845. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7850. bnx2x_cl45_write(bp, phy,
  7851. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7852. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7853. * change
  7854. */
  7855. bnx2x_cl45_write(bp, phy,
  7856. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7859. 0x400);
  7860. } else { /* Default 10G. Set only LASI control */
  7861. bnx2x_cl45_write(bp, phy,
  7862. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7863. }
  7864. /* Set TX PreEmphasis if needed */
  7865. if ((params->feature_config_flags &
  7866. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7867. DP(NETIF_MSG_LINK,
  7868. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7869. phy->tx_preemphasis[0],
  7870. phy->tx_preemphasis[1]);
  7871. bnx2x_cl45_write(bp, phy,
  7872. MDIO_PMA_DEVAD,
  7873. MDIO_PMA_REG_8726_TX_CTRL1,
  7874. phy->tx_preemphasis[0]);
  7875. bnx2x_cl45_write(bp, phy,
  7876. MDIO_PMA_DEVAD,
  7877. MDIO_PMA_REG_8726_TX_CTRL2,
  7878. phy->tx_preemphasis[1]);
  7879. }
  7880. return 0;
  7881. }
  7882. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7883. struct link_params *params)
  7884. {
  7885. struct bnx2x *bp = params->bp;
  7886. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7887. /* Set serial boot control for external load */
  7888. bnx2x_cl45_write(bp, phy,
  7889. MDIO_PMA_DEVAD,
  7890. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7891. }
  7892. /******************************************************************/
  7893. /* BCM8727 PHY SECTION */
  7894. /******************************************************************/
  7895. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7896. struct link_params *params, u8 mode)
  7897. {
  7898. struct bnx2x *bp = params->bp;
  7899. u16 led_mode_bitmask = 0;
  7900. u16 gpio_pins_bitmask = 0;
  7901. u16 val;
  7902. /* Only NOC flavor requires to set the LED specifically */
  7903. if (!(phy->flags & FLAGS_NOC))
  7904. return;
  7905. switch (mode) {
  7906. case LED_MODE_FRONT_PANEL_OFF:
  7907. case LED_MODE_OFF:
  7908. led_mode_bitmask = 0;
  7909. gpio_pins_bitmask = 0x03;
  7910. break;
  7911. case LED_MODE_ON:
  7912. led_mode_bitmask = 0;
  7913. gpio_pins_bitmask = 0x02;
  7914. break;
  7915. case LED_MODE_OPER:
  7916. led_mode_bitmask = 0x60;
  7917. gpio_pins_bitmask = 0x11;
  7918. break;
  7919. }
  7920. bnx2x_cl45_read(bp, phy,
  7921. MDIO_PMA_DEVAD,
  7922. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7923. &val);
  7924. val &= 0xff8f;
  7925. val |= led_mode_bitmask;
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD,
  7928. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7929. val);
  7930. bnx2x_cl45_read(bp, phy,
  7931. MDIO_PMA_DEVAD,
  7932. MDIO_PMA_REG_8727_GPIO_CTRL,
  7933. &val);
  7934. val &= 0xffe0;
  7935. val |= gpio_pins_bitmask;
  7936. bnx2x_cl45_write(bp, phy,
  7937. MDIO_PMA_DEVAD,
  7938. MDIO_PMA_REG_8727_GPIO_CTRL,
  7939. val);
  7940. }
  7941. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7942. struct link_params *params) {
  7943. u32 swap_val, swap_override;
  7944. u8 port;
  7945. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7946. * to cancel the swap done in set_gpio()
  7947. */
  7948. struct bnx2x *bp = params->bp;
  7949. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7950. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7951. port = (swap_val && swap_override) ^ 1;
  7952. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7953. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7954. }
  7955. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7956. struct link_params *params)
  7957. {
  7958. struct bnx2x *bp = params->bp;
  7959. u16 tmp1, val;
  7960. /* Set option 1G speed */
  7961. if ((phy->req_line_speed == SPEED_1000) ||
  7962. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7963. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7966. bnx2x_cl45_write(bp, phy,
  7967. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7968. bnx2x_cl45_read(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7970. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7971. /* Power down the XAUI until link is up in case of dual-media
  7972. * and 1G
  7973. */
  7974. if (DUAL_MEDIA(params)) {
  7975. bnx2x_cl45_read(bp, phy,
  7976. MDIO_PMA_DEVAD,
  7977. MDIO_PMA_REG_8727_PCS_GP, &val);
  7978. val |= (3<<10);
  7979. bnx2x_cl45_write(bp, phy,
  7980. MDIO_PMA_DEVAD,
  7981. MDIO_PMA_REG_8727_PCS_GP, val);
  7982. }
  7983. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7984. ((phy->speed_cap_mask &
  7985. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7986. ((phy->speed_cap_mask &
  7987. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7988. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7989. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7990. bnx2x_cl45_write(bp, phy,
  7991. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7992. bnx2x_cl45_write(bp, phy,
  7993. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7994. } else {
  7995. /* Since the 8727 has only single reset pin, need to set the 10G
  7996. * registers although it is default
  7997. */
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8000. 0x0020);
  8001. bnx2x_cl45_write(bp, phy,
  8002. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8003. bnx2x_cl45_write(bp, phy,
  8004. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8005. bnx2x_cl45_write(bp, phy,
  8006. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8007. 0x0008);
  8008. }
  8009. }
  8010. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8011. struct link_params *params,
  8012. struct link_vars *vars)
  8013. {
  8014. u32 tx_en_mode;
  8015. u16 tmp1, val, mod_abs, tmp2;
  8016. u16 rx_alarm_ctrl_val;
  8017. u16 lasi_ctrl_val;
  8018. struct bnx2x *bp = params->bp;
  8019. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8020. bnx2x_wait_reset_complete(bp, phy, params);
  8021. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  8022. /* Should be 0x6 to enable XS on Tx side. */
  8023. lasi_ctrl_val = 0x0006;
  8024. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8025. /* Enable LASI */
  8026. bnx2x_cl45_write(bp, phy,
  8027. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8028. rx_alarm_ctrl_val);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  8031. 0);
  8032. bnx2x_cl45_write(bp, phy,
  8033. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  8034. /* Initially configure MOD_ABS to interrupt when module is
  8035. * presence( bit 8)
  8036. */
  8037. bnx2x_cl45_read(bp, phy,
  8038. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8039. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8040. * When the EDC is off it locks onto a reference clock and avoids
  8041. * becoming 'lost'
  8042. */
  8043. mod_abs &= ~(1<<8);
  8044. if (!(phy->flags & FLAGS_NOC))
  8045. mod_abs &= ~(1<<9);
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8048. /* Enable/Disable PHY transmitter output */
  8049. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8050. /* Make MOD_ABS give interrupt on change */
  8051. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8052. &val);
  8053. val |= (1<<12);
  8054. if (phy->flags & FLAGS_NOC)
  8055. val |= (3<<5);
  8056. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  8057. * status which reflect SFP+ module over-current
  8058. */
  8059. if (!(phy->flags & FLAGS_NOC))
  8060. val &= 0xff8f; /* Reset bits 4-6 */
  8061. bnx2x_cl45_write(bp, phy,
  8062. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  8063. bnx2x_8727_power_module(bp, phy, 1);
  8064. bnx2x_cl45_read(bp, phy,
  8065. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8066. bnx2x_cl45_read(bp, phy,
  8067. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8068. bnx2x_8727_config_speed(phy, params);
  8069. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8070. * to 100Khz since some DACs(direct attached cables) do
  8071. * not work at 400Khz.
  8072. */
  8073. bnx2x_cl45_write(bp, phy,
  8074. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8075. 0xa001);
  8076. /* Set TX PreEmphasis if needed */
  8077. if ((params->feature_config_flags &
  8078. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8079. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8080. phy->tx_preemphasis[0],
  8081. phy->tx_preemphasis[1]);
  8082. bnx2x_cl45_write(bp, phy,
  8083. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8084. phy->tx_preemphasis[0]);
  8085. bnx2x_cl45_write(bp, phy,
  8086. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8087. phy->tx_preemphasis[1]);
  8088. }
  8089. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8090. * power mode, if TX Laser is disabled
  8091. */
  8092. tx_en_mode = REG_RD(bp, params->shmem_base +
  8093. offsetof(struct shmem_region,
  8094. dev_info.port_hw_config[params->port].sfp_ctrl))
  8095. & PORT_HW_CFG_TX_LASER_MASK;
  8096. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8097. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8098. bnx2x_cl45_read(bp, phy,
  8099. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8100. tmp2 |= 0x1000;
  8101. tmp2 &= 0xFFEF;
  8102. bnx2x_cl45_write(bp, phy,
  8103. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8104. bnx2x_cl45_read(bp, phy,
  8105. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8106. &tmp2);
  8107. bnx2x_cl45_write(bp, phy,
  8108. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8109. (tmp2 & 0x7fff));
  8110. }
  8111. return 0;
  8112. }
  8113. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8114. struct link_params *params)
  8115. {
  8116. struct bnx2x *bp = params->bp;
  8117. u16 mod_abs, rx_alarm_status;
  8118. u32 val = REG_RD(bp, params->shmem_base +
  8119. offsetof(struct shmem_region, dev_info.
  8120. port_feature_config[params->port].
  8121. config));
  8122. bnx2x_cl45_read(bp, phy,
  8123. MDIO_PMA_DEVAD,
  8124. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8125. if (mod_abs & (1<<8)) {
  8126. /* Module is absent */
  8127. DP(NETIF_MSG_LINK,
  8128. "MOD_ABS indication show module is absent\n");
  8129. phy->media_type = ETH_PHY_NOT_PRESENT;
  8130. /* 1. Set mod_abs to detect next module
  8131. * presence event
  8132. * 2. Set EDC off by setting OPTXLOS signal input to low
  8133. * (bit 9).
  8134. * When the EDC is off it locks onto a reference clock and
  8135. * avoids becoming 'lost'.
  8136. */
  8137. mod_abs &= ~(1<<8);
  8138. if (!(phy->flags & FLAGS_NOC))
  8139. mod_abs &= ~(1<<9);
  8140. bnx2x_cl45_write(bp, phy,
  8141. MDIO_PMA_DEVAD,
  8142. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8143. /* Clear RX alarm since it stays up as long as
  8144. * the mod_abs wasn't changed
  8145. */
  8146. bnx2x_cl45_read(bp, phy,
  8147. MDIO_PMA_DEVAD,
  8148. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8149. } else {
  8150. /* Module is present */
  8151. DP(NETIF_MSG_LINK,
  8152. "MOD_ABS indication show module is present\n");
  8153. /* First disable transmitter, and if the module is ok, the
  8154. * module_detection will enable it
  8155. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8156. * 2. Restore the default polarity of the OPRXLOS signal and
  8157. * this signal will then correctly indicate the presence or
  8158. * absence of the Rx signal. (bit 9)
  8159. */
  8160. mod_abs |= (1<<8);
  8161. if (!(phy->flags & FLAGS_NOC))
  8162. mod_abs |= (1<<9);
  8163. bnx2x_cl45_write(bp, phy,
  8164. MDIO_PMA_DEVAD,
  8165. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8166. /* Clear RX alarm since it stays up as long as the mod_abs
  8167. * wasn't changed. This is need to be done before calling the
  8168. * module detection, otherwise it will clear* the link update
  8169. * alarm
  8170. */
  8171. bnx2x_cl45_read(bp, phy,
  8172. MDIO_PMA_DEVAD,
  8173. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8174. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8175. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8176. bnx2x_sfp_set_transmitter(params, phy, 0);
  8177. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8178. bnx2x_sfp_module_detection(phy, params);
  8179. else
  8180. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8181. /* Reconfigure link speed based on module type limitations */
  8182. bnx2x_8727_config_speed(phy, params);
  8183. }
  8184. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8185. rx_alarm_status);
  8186. /* No need to check link status in case of module plugged in/out */
  8187. }
  8188. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8189. struct link_params *params,
  8190. struct link_vars *vars)
  8191. {
  8192. struct bnx2x *bp = params->bp;
  8193. u8 link_up = 0, oc_port = params->port;
  8194. u16 link_status = 0;
  8195. u16 rx_alarm_status, lasi_ctrl, val1;
  8196. /* If PHY is not initialized, do not check link status */
  8197. bnx2x_cl45_read(bp, phy,
  8198. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8199. &lasi_ctrl);
  8200. if (!lasi_ctrl)
  8201. return 0;
  8202. /* Check the LASI on Rx */
  8203. bnx2x_cl45_read(bp, phy,
  8204. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8205. &rx_alarm_status);
  8206. vars->line_speed = 0;
  8207. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8208. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8209. MDIO_PMA_LASI_TXCTRL);
  8210. bnx2x_cl45_read(bp, phy,
  8211. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8212. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8213. /* Clear MSG-OUT */
  8214. bnx2x_cl45_read(bp, phy,
  8215. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8216. /* If a module is present and there is need to check
  8217. * for over current
  8218. */
  8219. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8220. /* Check over-current using 8727 GPIO0 input*/
  8221. bnx2x_cl45_read(bp, phy,
  8222. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8223. &val1);
  8224. if ((val1 & (1<<8)) == 0) {
  8225. if (!CHIP_IS_E1x(bp))
  8226. oc_port = BP_PATH(bp) + (params->port << 1);
  8227. DP(NETIF_MSG_LINK,
  8228. "8727 Power fault has been detected on port %d\n",
  8229. oc_port);
  8230. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8231. "been detected and the power to "
  8232. "that SFP+ module has been removed "
  8233. "to prevent failure of the card. "
  8234. "Please remove the SFP+ module and "
  8235. "restart the system to clear this "
  8236. "error.\n",
  8237. oc_port);
  8238. /* Disable all RX_ALARMs except for mod_abs */
  8239. bnx2x_cl45_write(bp, phy,
  8240. MDIO_PMA_DEVAD,
  8241. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8242. bnx2x_cl45_read(bp, phy,
  8243. MDIO_PMA_DEVAD,
  8244. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8245. /* Wait for module_absent_event */
  8246. val1 |= (1<<8);
  8247. bnx2x_cl45_write(bp, phy,
  8248. MDIO_PMA_DEVAD,
  8249. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8250. /* Clear RX alarm */
  8251. bnx2x_cl45_read(bp, phy,
  8252. MDIO_PMA_DEVAD,
  8253. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8254. return 0;
  8255. }
  8256. } /* Over current check */
  8257. /* When module absent bit is set, check module */
  8258. if (rx_alarm_status & (1<<5)) {
  8259. bnx2x_8727_handle_mod_abs(phy, params);
  8260. /* Enable all mod_abs and link detection bits */
  8261. bnx2x_cl45_write(bp, phy,
  8262. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8263. ((1<<5) | (1<<2)));
  8264. }
  8265. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8266. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8267. bnx2x_sfp_set_transmitter(params, phy, 1);
  8268. } else {
  8269. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8270. return 0;
  8271. }
  8272. bnx2x_cl45_read(bp, phy,
  8273. MDIO_PMA_DEVAD,
  8274. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8275. /* Bits 0..2 --> speed detected,
  8276. * Bits 13..15--> link is down
  8277. */
  8278. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8279. link_up = 1;
  8280. vars->line_speed = SPEED_10000;
  8281. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8282. params->port);
  8283. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8284. link_up = 1;
  8285. vars->line_speed = SPEED_1000;
  8286. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8287. params->port);
  8288. } else {
  8289. link_up = 0;
  8290. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8291. params->port);
  8292. }
  8293. /* Capture 10G link fault. */
  8294. if (vars->line_speed == SPEED_10000) {
  8295. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8296. MDIO_PMA_LASI_TXSTAT, &val1);
  8297. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8298. MDIO_PMA_LASI_TXSTAT, &val1);
  8299. if (val1 & (1<<0)) {
  8300. vars->fault_detected = 1;
  8301. }
  8302. }
  8303. if (link_up) {
  8304. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8305. vars->duplex = DUPLEX_FULL;
  8306. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8307. }
  8308. if ((DUAL_MEDIA(params)) &&
  8309. (phy->req_line_speed == SPEED_1000)) {
  8310. bnx2x_cl45_read(bp, phy,
  8311. MDIO_PMA_DEVAD,
  8312. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8313. /* In case of dual-media board and 1G, power up the XAUI side,
  8314. * otherwise power it down. For 10G it is done automatically
  8315. */
  8316. if (link_up)
  8317. val1 &= ~(3<<10);
  8318. else
  8319. val1 |= (3<<10);
  8320. bnx2x_cl45_write(bp, phy,
  8321. MDIO_PMA_DEVAD,
  8322. MDIO_PMA_REG_8727_PCS_GP, val1);
  8323. }
  8324. return link_up;
  8325. }
  8326. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8327. struct link_params *params)
  8328. {
  8329. struct bnx2x *bp = params->bp;
  8330. /* Enable/Disable PHY transmitter output */
  8331. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8332. /* Disable Transmitter */
  8333. bnx2x_sfp_set_transmitter(params, phy, 0);
  8334. /* Clear LASI */
  8335. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8336. }
  8337. /******************************************************************/
  8338. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8339. /******************************************************************/
  8340. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8341. struct bnx2x *bp,
  8342. u8 port)
  8343. {
  8344. u16 val, fw_ver1, fw_ver2, cnt;
  8345. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8346. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8347. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8348. phy->ver_addr);
  8349. } else {
  8350. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8351. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8352. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8353. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8354. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8355. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8356. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8357. for (cnt = 0; cnt < 100; cnt++) {
  8358. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8359. if (val & 1)
  8360. break;
  8361. udelay(5);
  8362. }
  8363. if (cnt == 100) {
  8364. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8365. "phy fw version(1)\n");
  8366. bnx2x_save_spirom_version(bp, port, 0,
  8367. phy->ver_addr);
  8368. return;
  8369. }
  8370. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8371. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8372. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8373. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8374. for (cnt = 0; cnt < 100; cnt++) {
  8375. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8376. if (val & 1)
  8377. break;
  8378. udelay(5);
  8379. }
  8380. if (cnt == 100) {
  8381. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8382. "version(2)\n");
  8383. bnx2x_save_spirom_version(bp, port, 0,
  8384. phy->ver_addr);
  8385. return;
  8386. }
  8387. /* lower 16 bits of the register SPI_FW_STATUS */
  8388. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8389. /* upper 16 bits of register SPI_FW_STATUS */
  8390. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8391. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8392. phy->ver_addr);
  8393. }
  8394. }
  8395. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8396. struct bnx2x_phy *phy)
  8397. {
  8398. u16 val, offset;
  8399. /* PHYC_CTL_LED_CTL */
  8400. bnx2x_cl45_read(bp, phy,
  8401. MDIO_PMA_DEVAD,
  8402. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8403. val &= 0xFE00;
  8404. val |= 0x0092;
  8405. bnx2x_cl45_write(bp, phy,
  8406. MDIO_PMA_DEVAD,
  8407. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8408. bnx2x_cl45_write(bp, phy,
  8409. MDIO_PMA_DEVAD,
  8410. MDIO_PMA_REG_8481_LED1_MASK,
  8411. 0x80);
  8412. bnx2x_cl45_write(bp, phy,
  8413. MDIO_PMA_DEVAD,
  8414. MDIO_PMA_REG_8481_LED2_MASK,
  8415. 0x18);
  8416. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8417. bnx2x_cl45_write(bp, phy,
  8418. MDIO_PMA_DEVAD,
  8419. MDIO_PMA_REG_8481_LED3_MASK,
  8420. 0x0006);
  8421. /* Select the closest activity blink rate to that in 10/100/1000 */
  8422. bnx2x_cl45_write(bp, phy,
  8423. MDIO_PMA_DEVAD,
  8424. MDIO_PMA_REG_8481_LED3_BLINK,
  8425. 0);
  8426. /* Configure the blink rate to ~15.9 Hz */
  8427. bnx2x_cl45_write(bp, phy,
  8428. MDIO_PMA_DEVAD,
  8429. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8430. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8431. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8432. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8433. else
  8434. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8435. bnx2x_cl45_read(bp, phy,
  8436. MDIO_PMA_DEVAD, offset, &val);
  8437. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8438. bnx2x_cl45_write(bp, phy,
  8439. MDIO_PMA_DEVAD, offset, val);
  8440. /* 'Interrupt Mask' */
  8441. bnx2x_cl45_write(bp, phy,
  8442. MDIO_AN_DEVAD,
  8443. 0xFFFB, 0xFFFD);
  8444. }
  8445. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8446. struct link_params *params,
  8447. struct link_vars *vars)
  8448. {
  8449. struct bnx2x *bp = params->bp;
  8450. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8451. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8452. /* Save spirom version */
  8453. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8454. }
  8455. /* This phy uses the NIG latch mechanism since link indication
  8456. * arrives through its LED4 and not via its LASI signal, so we
  8457. * get steady signal instead of clear on read
  8458. */
  8459. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8460. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8461. bnx2x_cl45_write(bp, phy,
  8462. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8463. bnx2x_848xx_set_led(bp, phy);
  8464. /* set 1000 speed advertisement */
  8465. bnx2x_cl45_read(bp, phy,
  8466. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8467. &an_1000_val);
  8468. bnx2x_ext_phy_set_pause(params, phy, vars);
  8469. bnx2x_cl45_read(bp, phy,
  8470. MDIO_AN_DEVAD,
  8471. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8472. &an_10_100_val);
  8473. bnx2x_cl45_read(bp, phy,
  8474. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8475. &autoneg_val);
  8476. /* Disable forced speed */
  8477. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8478. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8479. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8480. (phy->speed_cap_mask &
  8481. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8482. (phy->req_line_speed == SPEED_1000)) {
  8483. an_1000_val |= (1<<8);
  8484. autoneg_val |= (1<<9 | 1<<12);
  8485. if (phy->req_duplex == DUPLEX_FULL)
  8486. an_1000_val |= (1<<9);
  8487. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8488. } else
  8489. an_1000_val &= ~((1<<8) | (1<<9));
  8490. bnx2x_cl45_write(bp, phy,
  8491. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8492. an_1000_val);
  8493. /* set 100 speed advertisement */
  8494. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8495. (phy->speed_cap_mask &
  8496. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8497. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8498. an_10_100_val |= (1<<7);
  8499. /* Enable autoneg and restart autoneg for legacy speeds */
  8500. autoneg_val |= (1<<9 | 1<<12);
  8501. if (phy->req_duplex == DUPLEX_FULL)
  8502. an_10_100_val |= (1<<8);
  8503. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8504. }
  8505. /* set 10 speed advertisement */
  8506. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8507. (phy->speed_cap_mask &
  8508. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8509. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8510. (phy->supported &
  8511. (SUPPORTED_10baseT_Half |
  8512. SUPPORTED_10baseT_Full)))) {
  8513. an_10_100_val |= (1<<5);
  8514. autoneg_val |= (1<<9 | 1<<12);
  8515. if (phy->req_duplex == DUPLEX_FULL)
  8516. an_10_100_val |= (1<<6);
  8517. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8518. }
  8519. /* Only 10/100 are allowed to work in FORCE mode */
  8520. if ((phy->req_line_speed == SPEED_100) &&
  8521. (phy->supported &
  8522. (SUPPORTED_100baseT_Half |
  8523. SUPPORTED_100baseT_Full))) {
  8524. autoneg_val |= (1<<13);
  8525. /* Enabled AUTO-MDIX when autoneg is disabled */
  8526. bnx2x_cl45_write(bp, phy,
  8527. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8528. (1<<15 | 1<<9 | 7<<0));
  8529. /* The PHY needs this set even for forced link. */
  8530. an_10_100_val |= (1<<8) | (1<<7);
  8531. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8532. }
  8533. if ((phy->req_line_speed == SPEED_10) &&
  8534. (phy->supported &
  8535. (SUPPORTED_10baseT_Half |
  8536. SUPPORTED_10baseT_Full))) {
  8537. /* Enabled AUTO-MDIX when autoneg is disabled */
  8538. bnx2x_cl45_write(bp, phy,
  8539. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8540. (1<<15 | 1<<9 | 7<<0));
  8541. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8542. }
  8543. bnx2x_cl45_write(bp, phy,
  8544. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8545. an_10_100_val);
  8546. if (phy->req_duplex == DUPLEX_FULL)
  8547. autoneg_val |= (1<<8);
  8548. /* Always write this if this is not 84833.
  8549. * For 84833, write it only when it's a forced speed.
  8550. */
  8551. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8552. ((autoneg_val & (1<<12)) == 0))
  8553. bnx2x_cl45_write(bp, phy,
  8554. MDIO_AN_DEVAD,
  8555. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8556. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8557. (phy->speed_cap_mask &
  8558. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8559. (phy->req_line_speed == SPEED_10000)) {
  8560. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8561. /* Restart autoneg for 10G*/
  8562. bnx2x_cl45_read(bp, phy,
  8563. MDIO_AN_DEVAD,
  8564. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8565. &an_10g_val);
  8566. bnx2x_cl45_write(bp, phy,
  8567. MDIO_AN_DEVAD,
  8568. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8569. an_10g_val | 0x1000);
  8570. bnx2x_cl45_write(bp, phy,
  8571. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8572. 0x3200);
  8573. } else
  8574. bnx2x_cl45_write(bp, phy,
  8575. MDIO_AN_DEVAD,
  8576. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8577. 1);
  8578. return 0;
  8579. }
  8580. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8581. struct link_params *params,
  8582. struct link_vars *vars)
  8583. {
  8584. struct bnx2x *bp = params->bp;
  8585. /* Restore normal power mode*/
  8586. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8587. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8588. /* HW reset */
  8589. bnx2x_ext_phy_hw_reset(bp, params->port);
  8590. bnx2x_wait_reset_complete(bp, phy, params);
  8591. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8592. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8593. }
  8594. #define PHY84833_CMDHDLR_WAIT 300
  8595. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8596. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8597. struct link_params *params,
  8598. u16 fw_cmd,
  8599. u16 cmd_args[], int argc)
  8600. {
  8601. int idx;
  8602. u16 val;
  8603. struct bnx2x *bp = params->bp;
  8604. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8605. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8606. MDIO_84833_CMD_HDLR_STATUS,
  8607. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8608. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8609. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8610. MDIO_84833_CMD_HDLR_STATUS, &val);
  8611. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8612. break;
  8613. usleep_range(1000, 2000);
  8614. }
  8615. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8616. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8617. return -EINVAL;
  8618. }
  8619. /* Prepare argument(s) and issue command */
  8620. for (idx = 0; idx < argc; idx++) {
  8621. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8622. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8623. cmd_args[idx]);
  8624. }
  8625. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8626. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8627. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8628. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8629. MDIO_84833_CMD_HDLR_STATUS, &val);
  8630. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8631. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8632. break;
  8633. usleep_range(1000, 2000);
  8634. }
  8635. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8636. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8637. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8638. return -EINVAL;
  8639. }
  8640. /* Gather returning data */
  8641. for (idx = 0; idx < argc; idx++) {
  8642. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8643. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8644. &cmd_args[idx]);
  8645. }
  8646. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8647. MDIO_84833_CMD_HDLR_STATUS,
  8648. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8649. return 0;
  8650. }
  8651. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8652. struct link_params *params,
  8653. struct link_vars *vars)
  8654. {
  8655. u32 pair_swap;
  8656. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8657. int status;
  8658. struct bnx2x *bp = params->bp;
  8659. /* Check for configuration. */
  8660. pair_swap = REG_RD(bp, params->shmem_base +
  8661. offsetof(struct shmem_region,
  8662. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8663. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8664. if (pair_swap == 0)
  8665. return 0;
  8666. /* Only the second argument is used for this command */
  8667. data[1] = (u16)pair_swap;
  8668. status = bnx2x_84833_cmd_hdlr(phy, params,
  8669. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8670. if (status == 0)
  8671. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8672. return status;
  8673. }
  8674. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8675. u32 shmem_base_path[],
  8676. u32 chip_id)
  8677. {
  8678. u32 reset_pin[2];
  8679. u32 idx;
  8680. u8 reset_gpios;
  8681. if (CHIP_IS_E3(bp)) {
  8682. /* Assume that these will be GPIOs, not EPIOs. */
  8683. for (idx = 0; idx < 2; idx++) {
  8684. /* Map config param to register bit. */
  8685. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8686. offsetof(struct shmem_region,
  8687. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8688. reset_pin[idx] = (reset_pin[idx] &
  8689. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8690. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8691. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8692. reset_pin[idx] = (1 << reset_pin[idx]);
  8693. }
  8694. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8695. } else {
  8696. /* E2, look from diff place of shmem. */
  8697. for (idx = 0; idx < 2; idx++) {
  8698. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8699. offsetof(struct shmem_region,
  8700. dev_info.port_hw_config[0].default_cfg));
  8701. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8702. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8703. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8704. reset_pin[idx] = (1 << reset_pin[idx]);
  8705. }
  8706. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8707. }
  8708. return reset_gpios;
  8709. }
  8710. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8711. struct link_params *params)
  8712. {
  8713. struct bnx2x *bp = params->bp;
  8714. u8 reset_gpios;
  8715. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8716. offsetof(struct shmem2_region,
  8717. other_shmem_base_addr));
  8718. u32 shmem_base_path[2];
  8719. /* Work around for 84833 LED failure inside RESET status */
  8720. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8721. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8722. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8723. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8724. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8725. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8726. shmem_base_path[0] = params->shmem_base;
  8727. shmem_base_path[1] = other_shmem_base_addr;
  8728. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8729. params->chip_id);
  8730. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8731. udelay(10);
  8732. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8733. reset_gpios);
  8734. return 0;
  8735. }
  8736. static int bnx2x_8483x_eee_timers(struct link_params *params,
  8737. struct link_vars *vars)
  8738. {
  8739. u32 eee_idle = 0, eee_mode;
  8740. struct bnx2x *bp = params->bp;
  8741. eee_idle = bnx2x_eee_calc_timer(params);
  8742. if (eee_idle) {
  8743. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  8744. eee_idle);
  8745. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  8746. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  8747. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  8748. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  8749. return -EINVAL;
  8750. }
  8751. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  8752. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  8753. /* eee_idle in 1u --> eee_status in 16u */
  8754. eee_idle >>= 4;
  8755. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  8756. SHMEM_EEE_TIME_OUTPUT_BIT;
  8757. } else {
  8758. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  8759. return -EINVAL;
  8760. vars->eee_status |= eee_mode;
  8761. }
  8762. return 0;
  8763. }
  8764. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8765. struct link_params *params,
  8766. struct link_vars *vars)
  8767. {
  8768. int rc;
  8769. struct bnx2x *bp = params->bp;
  8770. u16 cmd_args = 0;
  8771. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8772. /* Make Certain LPI is disabled */
  8773. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  8774. /* Prevent Phy from working in EEE and advertising it */
  8775. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8776. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8777. if (rc) {
  8778. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8779. return rc;
  8780. }
  8781. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
  8782. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8783. return 0;
  8784. }
  8785. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8786. struct link_params *params,
  8787. struct link_vars *vars)
  8788. {
  8789. int rc;
  8790. struct bnx2x *bp = params->bp;
  8791. u16 cmd_args = 1;
  8792. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  8793. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8794. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8795. if (rc) {
  8796. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8797. return rc;
  8798. }
  8799. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
  8800. /* Mask events preventing LPI generation */
  8801. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  8802. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8803. vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
  8804. return 0;
  8805. }
  8806. #define PHY84833_CONSTANT_LATENCY 1193
  8807. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8808. struct link_params *params,
  8809. struct link_vars *vars)
  8810. {
  8811. struct bnx2x *bp = params->bp;
  8812. u8 port, initialize = 1;
  8813. u16 val;
  8814. u32 actual_phy_selection, cms_enable;
  8815. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8816. int rc = 0;
  8817. usleep_range(1000, 2000);
  8818. if (!(CHIP_IS_E1x(bp)))
  8819. port = BP_PATH(bp);
  8820. else
  8821. port = params->port;
  8822. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8823. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8824. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8825. port);
  8826. } else {
  8827. /* MDIO reset */
  8828. bnx2x_cl45_write(bp, phy,
  8829. MDIO_PMA_DEVAD,
  8830. MDIO_PMA_REG_CTRL, 0x8000);
  8831. }
  8832. bnx2x_wait_reset_complete(bp, phy, params);
  8833. /* Wait for GPHY to come out of reset */
  8834. msleep(50);
  8835. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8836. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8837. * behavior.
  8838. */
  8839. u16 temp;
  8840. temp = vars->line_speed;
  8841. vars->line_speed = SPEED_10000;
  8842. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8843. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8844. vars->line_speed = temp;
  8845. }
  8846. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8847. MDIO_CTL_REG_84823_MEDIA, &val);
  8848. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8849. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8850. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8851. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8852. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8853. if (CHIP_IS_E3(bp)) {
  8854. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8855. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8856. } else {
  8857. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8858. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8859. }
  8860. actual_phy_selection = bnx2x_phy_selection(params);
  8861. switch (actual_phy_selection) {
  8862. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8863. /* Do nothing. Essentially this is like the priority copper */
  8864. break;
  8865. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8866. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8867. break;
  8868. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8869. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8870. break;
  8871. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8872. /* Do nothing here. The first PHY won't be initialized at all */
  8873. break;
  8874. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8875. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8876. initialize = 0;
  8877. break;
  8878. }
  8879. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8880. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8881. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8882. MDIO_CTL_REG_84823_MEDIA, val);
  8883. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8884. params->multi_phy_config, val);
  8885. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8886. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8887. /* Keep AutogrEEEn disabled. */
  8888. cmd_args[0] = 0x0;
  8889. cmd_args[1] = 0x0;
  8890. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8891. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8892. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8893. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8894. PHY84833_CMDHDLR_MAX_ARGS);
  8895. if (rc)
  8896. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8897. }
  8898. if (initialize)
  8899. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8900. else
  8901. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8902. /* 84833 PHY has a better feature and doesn't need to support this. */
  8903. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8904. cms_enable = REG_RD(bp, params->shmem_base +
  8905. offsetof(struct shmem_region,
  8906. dev_info.port_hw_config[params->port].default_cfg)) &
  8907. PORT_HW_CFG_ENABLE_CMS_MASK;
  8908. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8909. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8910. if (cms_enable)
  8911. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8912. else
  8913. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8914. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8915. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8916. }
  8917. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8918. MDIO_84833_TOP_CFG_FW_REV, &val);
  8919. /* Configure EEE support */
  8920. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  8921. phy->flags |= FLAGS_EEE_10GBT;
  8922. vars->eee_status |= SHMEM_EEE_10G_ADV <<
  8923. SHMEM_EEE_SUPPORTED_SHIFT;
  8924. /* Propogate params' bits --> vars (for migration exposure) */
  8925. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  8926. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  8927. else
  8928. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  8929. if (params->eee_mode & EEE_MODE_ADV_LPI)
  8930. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  8931. else
  8932. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  8933. rc = bnx2x_8483x_eee_timers(params, vars);
  8934. if (rc) {
  8935. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8936. bnx2x_8483x_disable_eee(phy, params, vars);
  8937. return rc;
  8938. }
  8939. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8940. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8941. (bnx2x_eee_calc_timer(params) ||
  8942. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8943. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8944. else
  8945. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8946. if (rc) {
  8947. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8948. return rc;
  8949. }
  8950. } else {
  8951. phy->flags &= ~FLAGS_EEE_10GBT;
  8952. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8953. }
  8954. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8955. /* Bring PHY out of super isolate mode as the final step. */
  8956. bnx2x_cl45_read(bp, phy,
  8957. MDIO_CTL_DEVAD,
  8958. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8959. val &= ~MDIO_84833_SUPER_ISOLATE;
  8960. bnx2x_cl45_write(bp, phy,
  8961. MDIO_CTL_DEVAD,
  8962. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8963. }
  8964. return rc;
  8965. }
  8966. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8967. struct link_params *params,
  8968. struct link_vars *vars)
  8969. {
  8970. struct bnx2x *bp = params->bp;
  8971. u16 val, val1, val2;
  8972. u8 link_up = 0;
  8973. /* Check 10G-BaseT link status */
  8974. /* Check PMD signal ok */
  8975. bnx2x_cl45_read(bp, phy,
  8976. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8977. bnx2x_cl45_read(bp, phy,
  8978. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8979. &val2);
  8980. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8981. /* Check link 10G */
  8982. if (val2 & (1<<11)) {
  8983. vars->line_speed = SPEED_10000;
  8984. vars->duplex = DUPLEX_FULL;
  8985. link_up = 1;
  8986. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8987. } else { /* Check Legacy speed link */
  8988. u16 legacy_status, legacy_speed;
  8989. /* Enable expansion register 0x42 (Operation mode status) */
  8990. bnx2x_cl45_write(bp, phy,
  8991. MDIO_AN_DEVAD,
  8992. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8993. /* Get legacy speed operation status */
  8994. bnx2x_cl45_read(bp, phy,
  8995. MDIO_AN_DEVAD,
  8996. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8997. &legacy_status);
  8998. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8999. legacy_status);
  9000. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9001. legacy_speed = (legacy_status & (3<<9));
  9002. if (legacy_speed == (0<<9))
  9003. vars->line_speed = SPEED_10;
  9004. else if (legacy_speed == (1<<9))
  9005. vars->line_speed = SPEED_100;
  9006. else if (legacy_speed == (2<<9))
  9007. vars->line_speed = SPEED_1000;
  9008. else { /* Should not happen: Treat as link down */
  9009. vars->line_speed = 0;
  9010. link_up = 0;
  9011. }
  9012. if (link_up) {
  9013. if (legacy_status & (1<<8))
  9014. vars->duplex = DUPLEX_FULL;
  9015. else
  9016. vars->duplex = DUPLEX_HALF;
  9017. DP(NETIF_MSG_LINK,
  9018. "Link is up in %dMbps, is_duplex_full= %d\n",
  9019. vars->line_speed,
  9020. (vars->duplex == DUPLEX_FULL));
  9021. /* Check legacy speed AN resolution */
  9022. bnx2x_cl45_read(bp, phy,
  9023. MDIO_AN_DEVAD,
  9024. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9025. &val);
  9026. if (val & (1<<5))
  9027. vars->link_status |=
  9028. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9029. bnx2x_cl45_read(bp, phy,
  9030. MDIO_AN_DEVAD,
  9031. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9032. &val);
  9033. if ((val & (1<<0)) == 0)
  9034. vars->link_status |=
  9035. LINK_STATUS_PARALLEL_DETECTION_USED;
  9036. }
  9037. }
  9038. if (link_up) {
  9039. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9040. vars->line_speed);
  9041. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9042. /* Read LP advertised speeds */
  9043. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9044. MDIO_AN_REG_CL37_FC_LP, &val);
  9045. if (val & (1<<5))
  9046. vars->link_status |=
  9047. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9048. if (val & (1<<6))
  9049. vars->link_status |=
  9050. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9051. if (val & (1<<7))
  9052. vars->link_status |=
  9053. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9054. if (val & (1<<8))
  9055. vars->link_status |=
  9056. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9057. if (val & (1<<9))
  9058. vars->link_status |=
  9059. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9060. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9061. MDIO_AN_REG_1000T_STATUS, &val);
  9062. if (val & (1<<10))
  9063. vars->link_status |=
  9064. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9065. if (val & (1<<11))
  9066. vars->link_status |=
  9067. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9068. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9069. MDIO_AN_REG_MASTER_STATUS, &val);
  9070. if (val & (1<<11))
  9071. vars->link_status |=
  9072. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9073. /* Determine if EEE was negotiated */
  9074. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9075. u32 eee_shmem = 0;
  9076. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9077. MDIO_AN_REG_EEE_ADV, &val1);
  9078. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9079. MDIO_AN_REG_LP_EEE_ADV, &val2);
  9080. if ((val1 & val2) & 0x8) {
  9081. DP(NETIF_MSG_LINK, "EEE negotiated\n");
  9082. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  9083. }
  9084. if (val2 & 0x12)
  9085. eee_shmem |= SHMEM_EEE_100M_ADV;
  9086. if (val2 & 0x4)
  9087. eee_shmem |= SHMEM_EEE_1G_ADV;
  9088. if (val2 & 0x68)
  9089. eee_shmem |= SHMEM_EEE_10G_ADV;
  9090. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  9091. vars->eee_status |= (eee_shmem <<
  9092. SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  9093. }
  9094. }
  9095. return link_up;
  9096. }
  9097. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9098. {
  9099. int status = 0;
  9100. u32 spirom_ver;
  9101. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9102. status = bnx2x_format_ver(spirom_ver, str, len);
  9103. return status;
  9104. }
  9105. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9106. struct link_params *params)
  9107. {
  9108. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9109. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9110. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9111. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9112. }
  9113. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9114. struct link_params *params)
  9115. {
  9116. bnx2x_cl45_write(params->bp, phy,
  9117. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9118. bnx2x_cl45_write(params->bp, phy,
  9119. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9120. }
  9121. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9122. struct link_params *params)
  9123. {
  9124. struct bnx2x *bp = params->bp;
  9125. u8 port;
  9126. u16 val16;
  9127. if (!(CHIP_IS_E1x(bp)))
  9128. port = BP_PATH(bp);
  9129. else
  9130. port = params->port;
  9131. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9132. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9133. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9134. port);
  9135. } else {
  9136. bnx2x_cl45_read(bp, phy,
  9137. MDIO_CTL_DEVAD,
  9138. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9139. val16 |= MDIO_84833_SUPER_ISOLATE;
  9140. bnx2x_cl45_write(bp, phy,
  9141. MDIO_CTL_DEVAD,
  9142. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9143. }
  9144. }
  9145. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9146. struct link_params *params, u8 mode)
  9147. {
  9148. struct bnx2x *bp = params->bp;
  9149. u16 val;
  9150. u8 port;
  9151. if (!(CHIP_IS_E1x(bp)))
  9152. port = BP_PATH(bp);
  9153. else
  9154. port = params->port;
  9155. switch (mode) {
  9156. case LED_MODE_OFF:
  9157. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9158. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9159. SHARED_HW_CFG_LED_EXTPHY1) {
  9160. /* Set LED masks */
  9161. bnx2x_cl45_write(bp, phy,
  9162. MDIO_PMA_DEVAD,
  9163. MDIO_PMA_REG_8481_LED1_MASK,
  9164. 0x0);
  9165. bnx2x_cl45_write(bp, phy,
  9166. MDIO_PMA_DEVAD,
  9167. MDIO_PMA_REG_8481_LED2_MASK,
  9168. 0x0);
  9169. bnx2x_cl45_write(bp, phy,
  9170. MDIO_PMA_DEVAD,
  9171. MDIO_PMA_REG_8481_LED3_MASK,
  9172. 0x0);
  9173. bnx2x_cl45_write(bp, phy,
  9174. MDIO_PMA_DEVAD,
  9175. MDIO_PMA_REG_8481_LED5_MASK,
  9176. 0x0);
  9177. } else {
  9178. bnx2x_cl45_write(bp, phy,
  9179. MDIO_PMA_DEVAD,
  9180. MDIO_PMA_REG_8481_LED1_MASK,
  9181. 0x0);
  9182. }
  9183. break;
  9184. case LED_MODE_FRONT_PANEL_OFF:
  9185. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9186. port);
  9187. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9188. SHARED_HW_CFG_LED_EXTPHY1) {
  9189. /* Set LED masks */
  9190. bnx2x_cl45_write(bp, phy,
  9191. MDIO_PMA_DEVAD,
  9192. MDIO_PMA_REG_8481_LED1_MASK,
  9193. 0x0);
  9194. bnx2x_cl45_write(bp, phy,
  9195. MDIO_PMA_DEVAD,
  9196. MDIO_PMA_REG_8481_LED2_MASK,
  9197. 0x0);
  9198. bnx2x_cl45_write(bp, phy,
  9199. MDIO_PMA_DEVAD,
  9200. MDIO_PMA_REG_8481_LED3_MASK,
  9201. 0x0);
  9202. bnx2x_cl45_write(bp, phy,
  9203. MDIO_PMA_DEVAD,
  9204. MDIO_PMA_REG_8481_LED5_MASK,
  9205. 0x20);
  9206. } else {
  9207. bnx2x_cl45_write(bp, phy,
  9208. MDIO_PMA_DEVAD,
  9209. MDIO_PMA_REG_8481_LED1_MASK,
  9210. 0x0);
  9211. }
  9212. break;
  9213. case LED_MODE_ON:
  9214. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9215. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9216. SHARED_HW_CFG_LED_EXTPHY1) {
  9217. /* Set control reg */
  9218. bnx2x_cl45_read(bp, phy,
  9219. MDIO_PMA_DEVAD,
  9220. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9221. &val);
  9222. val &= 0x8000;
  9223. val |= 0x2492;
  9224. bnx2x_cl45_write(bp, phy,
  9225. MDIO_PMA_DEVAD,
  9226. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9227. val);
  9228. /* Set LED masks */
  9229. bnx2x_cl45_write(bp, phy,
  9230. MDIO_PMA_DEVAD,
  9231. MDIO_PMA_REG_8481_LED1_MASK,
  9232. 0x0);
  9233. bnx2x_cl45_write(bp, phy,
  9234. MDIO_PMA_DEVAD,
  9235. MDIO_PMA_REG_8481_LED2_MASK,
  9236. 0x20);
  9237. bnx2x_cl45_write(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LED3_MASK,
  9240. 0x20);
  9241. bnx2x_cl45_write(bp, phy,
  9242. MDIO_PMA_DEVAD,
  9243. MDIO_PMA_REG_8481_LED5_MASK,
  9244. 0x0);
  9245. } else {
  9246. bnx2x_cl45_write(bp, phy,
  9247. MDIO_PMA_DEVAD,
  9248. MDIO_PMA_REG_8481_LED1_MASK,
  9249. 0x20);
  9250. }
  9251. break;
  9252. case LED_MODE_OPER:
  9253. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9254. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9255. SHARED_HW_CFG_LED_EXTPHY1) {
  9256. /* Set control reg */
  9257. bnx2x_cl45_read(bp, phy,
  9258. MDIO_PMA_DEVAD,
  9259. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9260. &val);
  9261. if (!((val &
  9262. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9263. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9264. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9265. bnx2x_cl45_write(bp, phy,
  9266. MDIO_PMA_DEVAD,
  9267. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9268. 0xa492);
  9269. }
  9270. /* Set LED masks */
  9271. bnx2x_cl45_write(bp, phy,
  9272. MDIO_PMA_DEVAD,
  9273. MDIO_PMA_REG_8481_LED1_MASK,
  9274. 0x10);
  9275. bnx2x_cl45_write(bp, phy,
  9276. MDIO_PMA_DEVAD,
  9277. MDIO_PMA_REG_8481_LED2_MASK,
  9278. 0x80);
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LED3_MASK,
  9282. 0x98);
  9283. bnx2x_cl45_write(bp, phy,
  9284. MDIO_PMA_DEVAD,
  9285. MDIO_PMA_REG_8481_LED5_MASK,
  9286. 0x40);
  9287. } else {
  9288. bnx2x_cl45_write(bp, phy,
  9289. MDIO_PMA_DEVAD,
  9290. MDIO_PMA_REG_8481_LED1_MASK,
  9291. 0x80);
  9292. /* Tell LED3 to blink on source */
  9293. bnx2x_cl45_read(bp, phy,
  9294. MDIO_PMA_DEVAD,
  9295. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9296. &val);
  9297. val &= ~(7<<6);
  9298. val |= (1<<6); /* A83B[8:6]= 1 */
  9299. bnx2x_cl45_write(bp, phy,
  9300. MDIO_PMA_DEVAD,
  9301. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9302. val);
  9303. }
  9304. break;
  9305. }
  9306. /* This is a workaround for E3+84833 until autoneg
  9307. * restart is fixed in f/w
  9308. */
  9309. if (CHIP_IS_E3(bp)) {
  9310. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9311. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9312. }
  9313. }
  9314. /******************************************************************/
  9315. /* 54618SE PHY SECTION */
  9316. /******************************************************************/
  9317. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9318. struct link_params *params,
  9319. struct link_vars *vars)
  9320. {
  9321. struct bnx2x *bp = params->bp;
  9322. u8 port;
  9323. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9324. u32 cfg_pin;
  9325. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9326. usleep_range(1000, 2000);
  9327. /* This works with E3 only, no need to check the chip
  9328. * before determining the port.
  9329. */
  9330. port = params->port;
  9331. cfg_pin = (REG_RD(bp, params->shmem_base +
  9332. offsetof(struct shmem_region,
  9333. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9334. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9335. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9336. /* Drive pin high to bring the GPHY out of reset. */
  9337. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9338. /* wait for GPHY to reset */
  9339. msleep(50);
  9340. /* reset phy */
  9341. bnx2x_cl22_write(bp, phy,
  9342. MDIO_PMA_REG_CTRL, 0x8000);
  9343. bnx2x_wait_reset_complete(bp, phy, params);
  9344. /* Wait for GPHY to reset */
  9345. msleep(50);
  9346. /* Configure LED4: set to INTR (0x6). */
  9347. /* Accessing shadow register 0xe. */
  9348. bnx2x_cl22_write(bp, phy,
  9349. MDIO_REG_GPHY_SHADOW,
  9350. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9351. bnx2x_cl22_read(bp, phy,
  9352. MDIO_REG_GPHY_SHADOW,
  9353. &temp);
  9354. temp &= ~(0xf << 4);
  9355. temp |= (0x6 << 4);
  9356. bnx2x_cl22_write(bp, phy,
  9357. MDIO_REG_GPHY_SHADOW,
  9358. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9359. /* Configure INTR based on link status change. */
  9360. bnx2x_cl22_write(bp, phy,
  9361. MDIO_REG_INTR_MASK,
  9362. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9363. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9364. bnx2x_cl22_write(bp, phy,
  9365. MDIO_REG_GPHY_SHADOW,
  9366. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9367. bnx2x_cl22_read(bp, phy,
  9368. MDIO_REG_GPHY_SHADOW,
  9369. &temp);
  9370. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9371. bnx2x_cl22_write(bp, phy,
  9372. MDIO_REG_GPHY_SHADOW,
  9373. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9374. /* Set up fc */
  9375. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9376. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9377. fc_val = 0;
  9378. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9379. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9380. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9381. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9382. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9383. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9384. /* Read all advertisement */
  9385. bnx2x_cl22_read(bp, phy,
  9386. 0x09,
  9387. &an_1000_val);
  9388. bnx2x_cl22_read(bp, phy,
  9389. 0x04,
  9390. &an_10_100_val);
  9391. bnx2x_cl22_read(bp, phy,
  9392. MDIO_PMA_REG_CTRL,
  9393. &autoneg_val);
  9394. /* Disable forced speed */
  9395. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9396. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9397. (1<<11));
  9398. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9399. (phy->speed_cap_mask &
  9400. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9401. (phy->req_line_speed == SPEED_1000)) {
  9402. an_1000_val |= (1<<8);
  9403. autoneg_val |= (1<<9 | 1<<12);
  9404. if (phy->req_duplex == DUPLEX_FULL)
  9405. an_1000_val |= (1<<9);
  9406. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9407. } else
  9408. an_1000_val &= ~((1<<8) | (1<<9));
  9409. bnx2x_cl22_write(bp, phy,
  9410. 0x09,
  9411. an_1000_val);
  9412. bnx2x_cl22_read(bp, phy,
  9413. 0x09,
  9414. &an_1000_val);
  9415. /* Set 100 speed advertisement */
  9416. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9417. (phy->speed_cap_mask &
  9418. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9419. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9420. an_10_100_val |= (1<<7);
  9421. /* Enable autoneg and restart autoneg for legacy speeds */
  9422. autoneg_val |= (1<<9 | 1<<12);
  9423. if (phy->req_duplex == DUPLEX_FULL)
  9424. an_10_100_val |= (1<<8);
  9425. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9426. }
  9427. /* Set 10 speed advertisement */
  9428. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9429. (phy->speed_cap_mask &
  9430. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9431. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9432. an_10_100_val |= (1<<5);
  9433. autoneg_val |= (1<<9 | 1<<12);
  9434. if (phy->req_duplex == DUPLEX_FULL)
  9435. an_10_100_val |= (1<<6);
  9436. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9437. }
  9438. /* Only 10/100 are allowed to work in FORCE mode */
  9439. if (phy->req_line_speed == SPEED_100) {
  9440. autoneg_val |= (1<<13);
  9441. /* Enabled AUTO-MDIX when autoneg is disabled */
  9442. bnx2x_cl22_write(bp, phy,
  9443. 0x18,
  9444. (1<<15 | 1<<9 | 7<<0));
  9445. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9446. }
  9447. if (phy->req_line_speed == SPEED_10) {
  9448. /* Enabled AUTO-MDIX when autoneg is disabled */
  9449. bnx2x_cl22_write(bp, phy,
  9450. 0x18,
  9451. (1<<15 | 1<<9 | 7<<0));
  9452. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9453. }
  9454. /* Check if we should turn on Auto-GrEEEn */
  9455. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9456. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9457. if (params->feature_config_flags &
  9458. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9459. temp = 6;
  9460. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9461. } else {
  9462. temp = 0;
  9463. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9464. }
  9465. bnx2x_cl22_write(bp, phy,
  9466. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9467. bnx2x_cl22_write(bp, phy,
  9468. MDIO_REG_GPHY_CL45_DATA_REG,
  9469. MDIO_REG_GPHY_EEE_ADV);
  9470. bnx2x_cl22_write(bp, phy,
  9471. MDIO_REG_GPHY_CL45_ADDR_REG,
  9472. (0x1 << 14) | MDIO_AN_DEVAD);
  9473. bnx2x_cl22_write(bp, phy,
  9474. MDIO_REG_GPHY_CL45_DATA_REG,
  9475. temp);
  9476. }
  9477. bnx2x_cl22_write(bp, phy,
  9478. 0x04,
  9479. an_10_100_val | fc_val);
  9480. if (phy->req_duplex == DUPLEX_FULL)
  9481. autoneg_val |= (1<<8);
  9482. bnx2x_cl22_write(bp, phy,
  9483. MDIO_PMA_REG_CTRL, autoneg_val);
  9484. return 0;
  9485. }
  9486. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9487. struct link_params *params, u8 mode)
  9488. {
  9489. struct bnx2x *bp = params->bp;
  9490. u16 temp;
  9491. bnx2x_cl22_write(bp, phy,
  9492. MDIO_REG_GPHY_SHADOW,
  9493. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9494. bnx2x_cl22_read(bp, phy,
  9495. MDIO_REG_GPHY_SHADOW,
  9496. &temp);
  9497. temp &= 0xff00;
  9498. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9499. switch (mode) {
  9500. case LED_MODE_FRONT_PANEL_OFF:
  9501. case LED_MODE_OFF:
  9502. temp |= 0x00ee;
  9503. break;
  9504. case LED_MODE_OPER:
  9505. temp |= 0x0001;
  9506. break;
  9507. case LED_MODE_ON:
  9508. temp |= 0x00ff;
  9509. break;
  9510. default:
  9511. break;
  9512. }
  9513. bnx2x_cl22_write(bp, phy,
  9514. MDIO_REG_GPHY_SHADOW,
  9515. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9516. return;
  9517. }
  9518. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9519. struct link_params *params)
  9520. {
  9521. struct bnx2x *bp = params->bp;
  9522. u32 cfg_pin;
  9523. u8 port;
  9524. /* In case of no EPIO routed to reset the GPHY, put it
  9525. * in low power mode.
  9526. */
  9527. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9528. /* This works with E3 only, no need to check the chip
  9529. * before determining the port.
  9530. */
  9531. port = params->port;
  9532. cfg_pin = (REG_RD(bp, params->shmem_base +
  9533. offsetof(struct shmem_region,
  9534. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9535. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9536. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9537. /* Drive pin low to put GPHY in reset. */
  9538. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9539. }
  9540. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9541. struct link_params *params,
  9542. struct link_vars *vars)
  9543. {
  9544. struct bnx2x *bp = params->bp;
  9545. u16 val;
  9546. u8 link_up = 0;
  9547. u16 legacy_status, legacy_speed;
  9548. /* Get speed operation status */
  9549. bnx2x_cl22_read(bp, phy,
  9550. MDIO_REG_GPHY_AUX_STATUS,
  9551. &legacy_status);
  9552. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9553. /* Read status to clear the PHY interrupt. */
  9554. bnx2x_cl22_read(bp, phy,
  9555. MDIO_REG_INTR_STATUS,
  9556. &val);
  9557. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9558. if (link_up) {
  9559. legacy_speed = (legacy_status & (7<<8));
  9560. if (legacy_speed == (7<<8)) {
  9561. vars->line_speed = SPEED_1000;
  9562. vars->duplex = DUPLEX_FULL;
  9563. } else if (legacy_speed == (6<<8)) {
  9564. vars->line_speed = SPEED_1000;
  9565. vars->duplex = DUPLEX_HALF;
  9566. } else if (legacy_speed == (5<<8)) {
  9567. vars->line_speed = SPEED_100;
  9568. vars->duplex = DUPLEX_FULL;
  9569. }
  9570. /* Omitting 100Base-T4 for now */
  9571. else if (legacy_speed == (3<<8)) {
  9572. vars->line_speed = SPEED_100;
  9573. vars->duplex = DUPLEX_HALF;
  9574. } else if (legacy_speed == (2<<8)) {
  9575. vars->line_speed = SPEED_10;
  9576. vars->duplex = DUPLEX_FULL;
  9577. } else if (legacy_speed == (1<<8)) {
  9578. vars->line_speed = SPEED_10;
  9579. vars->duplex = DUPLEX_HALF;
  9580. } else /* Should not happen */
  9581. vars->line_speed = 0;
  9582. DP(NETIF_MSG_LINK,
  9583. "Link is up in %dMbps, is_duplex_full= %d\n",
  9584. vars->line_speed,
  9585. (vars->duplex == DUPLEX_FULL));
  9586. /* Check legacy speed AN resolution */
  9587. bnx2x_cl22_read(bp, phy,
  9588. 0x01,
  9589. &val);
  9590. if (val & (1<<5))
  9591. vars->link_status |=
  9592. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9593. bnx2x_cl22_read(bp, phy,
  9594. 0x06,
  9595. &val);
  9596. if ((val & (1<<0)) == 0)
  9597. vars->link_status |=
  9598. LINK_STATUS_PARALLEL_DETECTION_USED;
  9599. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9600. vars->line_speed);
  9601. /* Report whether EEE is resolved. */
  9602. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9603. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9604. if (vars->link_status &
  9605. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9606. val = 0;
  9607. else {
  9608. bnx2x_cl22_write(bp, phy,
  9609. MDIO_REG_GPHY_CL45_ADDR_REG,
  9610. MDIO_AN_DEVAD);
  9611. bnx2x_cl22_write(bp, phy,
  9612. MDIO_REG_GPHY_CL45_DATA_REG,
  9613. MDIO_REG_GPHY_EEE_RESOLVED);
  9614. bnx2x_cl22_write(bp, phy,
  9615. MDIO_REG_GPHY_CL45_ADDR_REG,
  9616. (0x1 << 14) | MDIO_AN_DEVAD);
  9617. bnx2x_cl22_read(bp, phy,
  9618. MDIO_REG_GPHY_CL45_DATA_REG,
  9619. &val);
  9620. }
  9621. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9622. }
  9623. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9624. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9625. /* Report LP advertised speeds */
  9626. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9627. if (val & (1<<5))
  9628. vars->link_status |=
  9629. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9630. if (val & (1<<6))
  9631. vars->link_status |=
  9632. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9633. if (val & (1<<7))
  9634. vars->link_status |=
  9635. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9636. if (val & (1<<8))
  9637. vars->link_status |=
  9638. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9639. if (val & (1<<9))
  9640. vars->link_status |=
  9641. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9642. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9643. if (val & (1<<10))
  9644. vars->link_status |=
  9645. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9646. if (val & (1<<11))
  9647. vars->link_status |=
  9648. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9649. }
  9650. }
  9651. return link_up;
  9652. }
  9653. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9654. struct link_params *params)
  9655. {
  9656. struct bnx2x *bp = params->bp;
  9657. u16 val;
  9658. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9659. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9660. /* Enable master/slave manual mmode and set to master */
  9661. /* mii write 9 [bits set 11 12] */
  9662. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9663. /* forced 1G and disable autoneg */
  9664. /* set val [mii read 0] */
  9665. /* set val [expr $val & [bits clear 6 12 13]] */
  9666. /* set val [expr $val | [bits set 6 8]] */
  9667. /* mii write 0 $val */
  9668. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9669. val &= ~((1<<6) | (1<<12) | (1<<13));
  9670. val |= (1<<6) | (1<<8);
  9671. bnx2x_cl22_write(bp, phy, 0x00, val);
  9672. /* Set external loopback and Tx using 6dB coding */
  9673. /* mii write 0x18 7 */
  9674. /* set val [mii read 0x18] */
  9675. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9676. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9677. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9678. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9679. /* This register opens the gate for the UMAC despite its name */
  9680. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9681. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9682. * length used by the MAC receive logic to check frames.
  9683. */
  9684. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9685. }
  9686. /******************************************************************/
  9687. /* SFX7101 PHY SECTION */
  9688. /******************************************************************/
  9689. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9690. struct link_params *params)
  9691. {
  9692. struct bnx2x *bp = params->bp;
  9693. /* SFX7101_XGXS_TEST1 */
  9694. bnx2x_cl45_write(bp, phy,
  9695. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9696. }
  9697. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9698. struct link_params *params,
  9699. struct link_vars *vars)
  9700. {
  9701. u16 fw_ver1, fw_ver2, val;
  9702. struct bnx2x *bp = params->bp;
  9703. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9704. /* Restore normal power mode*/
  9705. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9706. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9707. /* HW reset */
  9708. bnx2x_ext_phy_hw_reset(bp, params->port);
  9709. bnx2x_wait_reset_complete(bp, phy, params);
  9710. bnx2x_cl45_write(bp, phy,
  9711. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9712. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9713. bnx2x_cl45_write(bp, phy,
  9714. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9715. bnx2x_ext_phy_set_pause(params, phy, vars);
  9716. /* Restart autoneg */
  9717. bnx2x_cl45_read(bp, phy,
  9718. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9719. val |= 0x200;
  9720. bnx2x_cl45_write(bp, phy,
  9721. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9722. /* Save spirom version */
  9723. bnx2x_cl45_read(bp, phy,
  9724. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9725. bnx2x_cl45_read(bp, phy,
  9726. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9727. bnx2x_save_spirom_version(bp, params->port,
  9728. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9729. return 0;
  9730. }
  9731. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9732. struct link_params *params,
  9733. struct link_vars *vars)
  9734. {
  9735. struct bnx2x *bp = params->bp;
  9736. u8 link_up;
  9737. u16 val1, val2;
  9738. bnx2x_cl45_read(bp, phy,
  9739. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9740. bnx2x_cl45_read(bp, phy,
  9741. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9742. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9743. val2, val1);
  9744. bnx2x_cl45_read(bp, phy,
  9745. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9746. bnx2x_cl45_read(bp, phy,
  9747. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9748. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9749. val2, val1);
  9750. link_up = ((val1 & 4) == 4);
  9751. /* If link is up print the AN outcome of the SFX7101 PHY */
  9752. if (link_up) {
  9753. bnx2x_cl45_read(bp, phy,
  9754. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9755. &val2);
  9756. vars->line_speed = SPEED_10000;
  9757. vars->duplex = DUPLEX_FULL;
  9758. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9759. val2, (val2 & (1<<14)));
  9760. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9761. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9762. /* Read LP advertised speeds */
  9763. if (val2 & (1<<11))
  9764. vars->link_status |=
  9765. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9766. }
  9767. return link_up;
  9768. }
  9769. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9770. {
  9771. if (*len < 5)
  9772. return -EINVAL;
  9773. str[0] = (spirom_ver & 0xFF);
  9774. str[1] = (spirom_ver & 0xFF00) >> 8;
  9775. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9776. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9777. str[4] = '\0';
  9778. *len -= 5;
  9779. return 0;
  9780. }
  9781. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9782. {
  9783. u16 val, cnt;
  9784. bnx2x_cl45_read(bp, phy,
  9785. MDIO_PMA_DEVAD,
  9786. MDIO_PMA_REG_7101_RESET, &val);
  9787. for (cnt = 0; cnt < 10; cnt++) {
  9788. msleep(50);
  9789. /* Writes a self-clearing reset */
  9790. bnx2x_cl45_write(bp, phy,
  9791. MDIO_PMA_DEVAD,
  9792. MDIO_PMA_REG_7101_RESET,
  9793. (val | (1<<15)));
  9794. /* Wait for clear */
  9795. bnx2x_cl45_read(bp, phy,
  9796. MDIO_PMA_DEVAD,
  9797. MDIO_PMA_REG_7101_RESET, &val);
  9798. if ((val & (1<<15)) == 0)
  9799. break;
  9800. }
  9801. }
  9802. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9803. struct link_params *params) {
  9804. /* Low power mode is controlled by GPIO 2 */
  9805. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9806. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9807. /* The PHY reset is controlled by GPIO 1 */
  9808. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9809. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9810. }
  9811. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9812. struct link_params *params, u8 mode)
  9813. {
  9814. u16 val = 0;
  9815. struct bnx2x *bp = params->bp;
  9816. switch (mode) {
  9817. case LED_MODE_FRONT_PANEL_OFF:
  9818. case LED_MODE_OFF:
  9819. val = 2;
  9820. break;
  9821. case LED_MODE_ON:
  9822. val = 1;
  9823. break;
  9824. case LED_MODE_OPER:
  9825. val = 0;
  9826. break;
  9827. }
  9828. bnx2x_cl45_write(bp, phy,
  9829. MDIO_PMA_DEVAD,
  9830. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9831. val);
  9832. }
  9833. /******************************************************************/
  9834. /* STATIC PHY DECLARATION */
  9835. /******************************************************************/
  9836. static struct bnx2x_phy phy_null = {
  9837. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9838. .addr = 0,
  9839. .def_md_devad = 0,
  9840. .flags = FLAGS_INIT_XGXS_FIRST,
  9841. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9842. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9843. .mdio_ctrl = 0,
  9844. .supported = 0,
  9845. .media_type = ETH_PHY_NOT_PRESENT,
  9846. .ver_addr = 0,
  9847. .req_flow_ctrl = 0,
  9848. .req_line_speed = 0,
  9849. .speed_cap_mask = 0,
  9850. .req_duplex = 0,
  9851. .rsrv = 0,
  9852. .config_init = (config_init_t)NULL,
  9853. .read_status = (read_status_t)NULL,
  9854. .link_reset = (link_reset_t)NULL,
  9855. .config_loopback = (config_loopback_t)NULL,
  9856. .format_fw_ver = (format_fw_ver_t)NULL,
  9857. .hw_reset = (hw_reset_t)NULL,
  9858. .set_link_led = (set_link_led_t)NULL,
  9859. .phy_specific_func = (phy_specific_func_t)NULL
  9860. };
  9861. static struct bnx2x_phy phy_serdes = {
  9862. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9863. .addr = 0xff,
  9864. .def_md_devad = 0,
  9865. .flags = 0,
  9866. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9867. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9868. .mdio_ctrl = 0,
  9869. .supported = (SUPPORTED_10baseT_Half |
  9870. SUPPORTED_10baseT_Full |
  9871. SUPPORTED_100baseT_Half |
  9872. SUPPORTED_100baseT_Full |
  9873. SUPPORTED_1000baseT_Full |
  9874. SUPPORTED_2500baseX_Full |
  9875. SUPPORTED_TP |
  9876. SUPPORTED_Autoneg |
  9877. SUPPORTED_Pause |
  9878. SUPPORTED_Asym_Pause),
  9879. .media_type = ETH_PHY_BASE_T,
  9880. .ver_addr = 0,
  9881. .req_flow_ctrl = 0,
  9882. .req_line_speed = 0,
  9883. .speed_cap_mask = 0,
  9884. .req_duplex = 0,
  9885. .rsrv = 0,
  9886. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9887. .read_status = (read_status_t)bnx2x_link_settings_status,
  9888. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9889. .config_loopback = (config_loopback_t)NULL,
  9890. .format_fw_ver = (format_fw_ver_t)NULL,
  9891. .hw_reset = (hw_reset_t)NULL,
  9892. .set_link_led = (set_link_led_t)NULL,
  9893. .phy_specific_func = (phy_specific_func_t)NULL
  9894. };
  9895. static struct bnx2x_phy phy_xgxs = {
  9896. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9897. .addr = 0xff,
  9898. .def_md_devad = 0,
  9899. .flags = 0,
  9900. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9901. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9902. .mdio_ctrl = 0,
  9903. .supported = (SUPPORTED_10baseT_Half |
  9904. SUPPORTED_10baseT_Full |
  9905. SUPPORTED_100baseT_Half |
  9906. SUPPORTED_100baseT_Full |
  9907. SUPPORTED_1000baseT_Full |
  9908. SUPPORTED_2500baseX_Full |
  9909. SUPPORTED_10000baseT_Full |
  9910. SUPPORTED_FIBRE |
  9911. SUPPORTED_Autoneg |
  9912. SUPPORTED_Pause |
  9913. SUPPORTED_Asym_Pause),
  9914. .media_type = ETH_PHY_CX4,
  9915. .ver_addr = 0,
  9916. .req_flow_ctrl = 0,
  9917. .req_line_speed = 0,
  9918. .speed_cap_mask = 0,
  9919. .req_duplex = 0,
  9920. .rsrv = 0,
  9921. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9922. .read_status = (read_status_t)bnx2x_link_settings_status,
  9923. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9924. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9925. .format_fw_ver = (format_fw_ver_t)NULL,
  9926. .hw_reset = (hw_reset_t)NULL,
  9927. .set_link_led = (set_link_led_t)NULL,
  9928. .phy_specific_func = (phy_specific_func_t)NULL
  9929. };
  9930. static struct bnx2x_phy phy_warpcore = {
  9931. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9932. .addr = 0xff,
  9933. .def_md_devad = 0,
  9934. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9935. FLAGS_TX_ERROR_CHECK),
  9936. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9937. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9938. .mdio_ctrl = 0,
  9939. .supported = (SUPPORTED_10baseT_Half |
  9940. SUPPORTED_10baseT_Full |
  9941. SUPPORTED_100baseT_Half |
  9942. SUPPORTED_100baseT_Full |
  9943. SUPPORTED_1000baseT_Full |
  9944. SUPPORTED_10000baseT_Full |
  9945. SUPPORTED_20000baseKR2_Full |
  9946. SUPPORTED_20000baseMLD2_Full |
  9947. SUPPORTED_FIBRE |
  9948. SUPPORTED_Autoneg |
  9949. SUPPORTED_Pause |
  9950. SUPPORTED_Asym_Pause),
  9951. .media_type = ETH_PHY_UNSPECIFIED,
  9952. .ver_addr = 0,
  9953. .req_flow_ctrl = 0,
  9954. .req_line_speed = 0,
  9955. .speed_cap_mask = 0,
  9956. /* req_duplex = */0,
  9957. /* rsrv = */0,
  9958. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9959. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9960. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9961. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9962. .format_fw_ver = (format_fw_ver_t)NULL,
  9963. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9964. .set_link_led = (set_link_led_t)NULL,
  9965. .phy_specific_func = (phy_specific_func_t)NULL
  9966. };
  9967. static struct bnx2x_phy phy_7101 = {
  9968. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9969. .addr = 0xff,
  9970. .def_md_devad = 0,
  9971. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9972. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9973. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9974. .mdio_ctrl = 0,
  9975. .supported = (SUPPORTED_10000baseT_Full |
  9976. SUPPORTED_TP |
  9977. SUPPORTED_Autoneg |
  9978. SUPPORTED_Pause |
  9979. SUPPORTED_Asym_Pause),
  9980. .media_type = ETH_PHY_BASE_T,
  9981. .ver_addr = 0,
  9982. .req_flow_ctrl = 0,
  9983. .req_line_speed = 0,
  9984. .speed_cap_mask = 0,
  9985. .req_duplex = 0,
  9986. .rsrv = 0,
  9987. .config_init = (config_init_t)bnx2x_7101_config_init,
  9988. .read_status = (read_status_t)bnx2x_7101_read_status,
  9989. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9990. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9991. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9992. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9993. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9994. .phy_specific_func = (phy_specific_func_t)NULL
  9995. };
  9996. static struct bnx2x_phy phy_8073 = {
  9997. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9998. .addr = 0xff,
  9999. .def_md_devad = 0,
  10000. .flags = FLAGS_HW_LOCK_REQUIRED,
  10001. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10002. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10003. .mdio_ctrl = 0,
  10004. .supported = (SUPPORTED_10000baseT_Full |
  10005. SUPPORTED_2500baseX_Full |
  10006. SUPPORTED_1000baseT_Full |
  10007. SUPPORTED_FIBRE |
  10008. SUPPORTED_Autoneg |
  10009. SUPPORTED_Pause |
  10010. SUPPORTED_Asym_Pause),
  10011. .media_type = ETH_PHY_KR,
  10012. .ver_addr = 0,
  10013. .req_flow_ctrl = 0,
  10014. .req_line_speed = 0,
  10015. .speed_cap_mask = 0,
  10016. .req_duplex = 0,
  10017. .rsrv = 0,
  10018. .config_init = (config_init_t)bnx2x_8073_config_init,
  10019. .read_status = (read_status_t)bnx2x_8073_read_status,
  10020. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10021. .config_loopback = (config_loopback_t)NULL,
  10022. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10023. .hw_reset = (hw_reset_t)NULL,
  10024. .set_link_led = (set_link_led_t)NULL,
  10025. .phy_specific_func = (phy_specific_func_t)NULL
  10026. };
  10027. static struct bnx2x_phy phy_8705 = {
  10028. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10029. .addr = 0xff,
  10030. .def_md_devad = 0,
  10031. .flags = FLAGS_INIT_XGXS_FIRST,
  10032. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10033. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10034. .mdio_ctrl = 0,
  10035. .supported = (SUPPORTED_10000baseT_Full |
  10036. SUPPORTED_FIBRE |
  10037. SUPPORTED_Pause |
  10038. SUPPORTED_Asym_Pause),
  10039. .media_type = ETH_PHY_XFP_FIBER,
  10040. .ver_addr = 0,
  10041. .req_flow_ctrl = 0,
  10042. .req_line_speed = 0,
  10043. .speed_cap_mask = 0,
  10044. .req_duplex = 0,
  10045. .rsrv = 0,
  10046. .config_init = (config_init_t)bnx2x_8705_config_init,
  10047. .read_status = (read_status_t)bnx2x_8705_read_status,
  10048. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10049. .config_loopback = (config_loopback_t)NULL,
  10050. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10051. .hw_reset = (hw_reset_t)NULL,
  10052. .set_link_led = (set_link_led_t)NULL,
  10053. .phy_specific_func = (phy_specific_func_t)NULL
  10054. };
  10055. static struct bnx2x_phy phy_8706 = {
  10056. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10057. .addr = 0xff,
  10058. .def_md_devad = 0,
  10059. .flags = FLAGS_INIT_XGXS_FIRST,
  10060. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10061. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10062. .mdio_ctrl = 0,
  10063. .supported = (SUPPORTED_10000baseT_Full |
  10064. SUPPORTED_1000baseT_Full |
  10065. SUPPORTED_FIBRE |
  10066. SUPPORTED_Pause |
  10067. SUPPORTED_Asym_Pause),
  10068. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10069. .ver_addr = 0,
  10070. .req_flow_ctrl = 0,
  10071. .req_line_speed = 0,
  10072. .speed_cap_mask = 0,
  10073. .req_duplex = 0,
  10074. .rsrv = 0,
  10075. .config_init = (config_init_t)bnx2x_8706_config_init,
  10076. .read_status = (read_status_t)bnx2x_8706_read_status,
  10077. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10078. .config_loopback = (config_loopback_t)NULL,
  10079. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10080. .hw_reset = (hw_reset_t)NULL,
  10081. .set_link_led = (set_link_led_t)NULL,
  10082. .phy_specific_func = (phy_specific_func_t)NULL
  10083. };
  10084. static struct bnx2x_phy phy_8726 = {
  10085. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10086. .addr = 0xff,
  10087. .def_md_devad = 0,
  10088. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10089. FLAGS_INIT_XGXS_FIRST |
  10090. FLAGS_TX_ERROR_CHECK),
  10091. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10092. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10093. .mdio_ctrl = 0,
  10094. .supported = (SUPPORTED_10000baseT_Full |
  10095. SUPPORTED_1000baseT_Full |
  10096. SUPPORTED_Autoneg |
  10097. SUPPORTED_FIBRE |
  10098. SUPPORTED_Pause |
  10099. SUPPORTED_Asym_Pause),
  10100. .media_type = ETH_PHY_NOT_PRESENT,
  10101. .ver_addr = 0,
  10102. .req_flow_ctrl = 0,
  10103. .req_line_speed = 0,
  10104. .speed_cap_mask = 0,
  10105. .req_duplex = 0,
  10106. .rsrv = 0,
  10107. .config_init = (config_init_t)bnx2x_8726_config_init,
  10108. .read_status = (read_status_t)bnx2x_8726_read_status,
  10109. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10110. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10111. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10112. .hw_reset = (hw_reset_t)NULL,
  10113. .set_link_led = (set_link_led_t)NULL,
  10114. .phy_specific_func = (phy_specific_func_t)NULL
  10115. };
  10116. static struct bnx2x_phy phy_8727 = {
  10117. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10118. .addr = 0xff,
  10119. .def_md_devad = 0,
  10120. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10121. FLAGS_TX_ERROR_CHECK),
  10122. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10123. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10124. .mdio_ctrl = 0,
  10125. .supported = (SUPPORTED_10000baseT_Full |
  10126. SUPPORTED_1000baseT_Full |
  10127. SUPPORTED_FIBRE |
  10128. SUPPORTED_Pause |
  10129. SUPPORTED_Asym_Pause),
  10130. .media_type = ETH_PHY_NOT_PRESENT,
  10131. .ver_addr = 0,
  10132. .req_flow_ctrl = 0,
  10133. .req_line_speed = 0,
  10134. .speed_cap_mask = 0,
  10135. .req_duplex = 0,
  10136. .rsrv = 0,
  10137. .config_init = (config_init_t)bnx2x_8727_config_init,
  10138. .read_status = (read_status_t)bnx2x_8727_read_status,
  10139. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10140. .config_loopback = (config_loopback_t)NULL,
  10141. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10142. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10143. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10144. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10145. };
  10146. static struct bnx2x_phy phy_8481 = {
  10147. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10148. .addr = 0xff,
  10149. .def_md_devad = 0,
  10150. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10151. FLAGS_REARM_LATCH_SIGNAL,
  10152. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10153. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10154. .mdio_ctrl = 0,
  10155. .supported = (SUPPORTED_10baseT_Half |
  10156. SUPPORTED_10baseT_Full |
  10157. SUPPORTED_100baseT_Half |
  10158. SUPPORTED_100baseT_Full |
  10159. SUPPORTED_1000baseT_Full |
  10160. SUPPORTED_10000baseT_Full |
  10161. SUPPORTED_TP |
  10162. SUPPORTED_Autoneg |
  10163. SUPPORTED_Pause |
  10164. SUPPORTED_Asym_Pause),
  10165. .media_type = ETH_PHY_BASE_T,
  10166. .ver_addr = 0,
  10167. .req_flow_ctrl = 0,
  10168. .req_line_speed = 0,
  10169. .speed_cap_mask = 0,
  10170. .req_duplex = 0,
  10171. .rsrv = 0,
  10172. .config_init = (config_init_t)bnx2x_8481_config_init,
  10173. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10174. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10175. .config_loopback = (config_loopback_t)NULL,
  10176. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10177. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10178. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10179. .phy_specific_func = (phy_specific_func_t)NULL
  10180. };
  10181. static struct bnx2x_phy phy_84823 = {
  10182. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10183. .addr = 0xff,
  10184. .def_md_devad = 0,
  10185. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10186. FLAGS_REARM_LATCH_SIGNAL |
  10187. FLAGS_TX_ERROR_CHECK),
  10188. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10189. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10190. .mdio_ctrl = 0,
  10191. .supported = (SUPPORTED_10baseT_Half |
  10192. SUPPORTED_10baseT_Full |
  10193. SUPPORTED_100baseT_Half |
  10194. SUPPORTED_100baseT_Full |
  10195. SUPPORTED_1000baseT_Full |
  10196. SUPPORTED_10000baseT_Full |
  10197. SUPPORTED_TP |
  10198. SUPPORTED_Autoneg |
  10199. SUPPORTED_Pause |
  10200. SUPPORTED_Asym_Pause),
  10201. .media_type = ETH_PHY_BASE_T,
  10202. .ver_addr = 0,
  10203. .req_flow_ctrl = 0,
  10204. .req_line_speed = 0,
  10205. .speed_cap_mask = 0,
  10206. .req_duplex = 0,
  10207. .rsrv = 0,
  10208. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10209. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10210. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10211. .config_loopback = (config_loopback_t)NULL,
  10212. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10213. .hw_reset = (hw_reset_t)NULL,
  10214. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10215. .phy_specific_func = (phy_specific_func_t)NULL
  10216. };
  10217. static struct bnx2x_phy phy_84833 = {
  10218. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10219. .addr = 0xff,
  10220. .def_md_devad = 0,
  10221. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10222. FLAGS_REARM_LATCH_SIGNAL |
  10223. FLAGS_TX_ERROR_CHECK |
  10224. FLAGS_EEE_10GBT),
  10225. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10226. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10227. .mdio_ctrl = 0,
  10228. .supported = (SUPPORTED_100baseT_Half |
  10229. SUPPORTED_100baseT_Full |
  10230. SUPPORTED_1000baseT_Full |
  10231. SUPPORTED_10000baseT_Full |
  10232. SUPPORTED_TP |
  10233. SUPPORTED_Autoneg |
  10234. SUPPORTED_Pause |
  10235. SUPPORTED_Asym_Pause),
  10236. .media_type = ETH_PHY_BASE_T,
  10237. .ver_addr = 0,
  10238. .req_flow_ctrl = 0,
  10239. .req_line_speed = 0,
  10240. .speed_cap_mask = 0,
  10241. .req_duplex = 0,
  10242. .rsrv = 0,
  10243. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10244. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10245. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10246. .config_loopback = (config_loopback_t)NULL,
  10247. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10248. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10249. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10250. .phy_specific_func = (phy_specific_func_t)NULL
  10251. };
  10252. static struct bnx2x_phy phy_54618se = {
  10253. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10254. .addr = 0xff,
  10255. .def_md_devad = 0,
  10256. .flags = FLAGS_INIT_XGXS_FIRST,
  10257. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10258. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10259. .mdio_ctrl = 0,
  10260. .supported = (SUPPORTED_10baseT_Half |
  10261. SUPPORTED_10baseT_Full |
  10262. SUPPORTED_100baseT_Half |
  10263. SUPPORTED_100baseT_Full |
  10264. SUPPORTED_1000baseT_Full |
  10265. SUPPORTED_TP |
  10266. SUPPORTED_Autoneg |
  10267. SUPPORTED_Pause |
  10268. SUPPORTED_Asym_Pause),
  10269. .media_type = ETH_PHY_BASE_T,
  10270. .ver_addr = 0,
  10271. .req_flow_ctrl = 0,
  10272. .req_line_speed = 0,
  10273. .speed_cap_mask = 0,
  10274. /* req_duplex = */0,
  10275. /* rsrv = */0,
  10276. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10277. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10278. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10279. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10280. .format_fw_ver = (format_fw_ver_t)NULL,
  10281. .hw_reset = (hw_reset_t)NULL,
  10282. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10283. .phy_specific_func = (phy_specific_func_t)NULL
  10284. };
  10285. /*****************************************************************/
  10286. /* */
  10287. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10288. /* */
  10289. /*****************************************************************/
  10290. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10291. struct bnx2x_phy *phy, u8 port,
  10292. u8 phy_index)
  10293. {
  10294. /* Get the 4 lanes xgxs config rx and tx */
  10295. u32 rx = 0, tx = 0, i;
  10296. for (i = 0; i < 2; i++) {
  10297. /* INT_PHY and EXT_PHY1 share the same value location in
  10298. * the shmem. When num_phys is greater than 1, than this value
  10299. * applies only to EXT_PHY1
  10300. */
  10301. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10302. rx = REG_RD(bp, shmem_base +
  10303. offsetof(struct shmem_region,
  10304. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10305. tx = REG_RD(bp, shmem_base +
  10306. offsetof(struct shmem_region,
  10307. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10308. } else {
  10309. rx = REG_RD(bp, shmem_base +
  10310. offsetof(struct shmem_region,
  10311. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10312. tx = REG_RD(bp, shmem_base +
  10313. offsetof(struct shmem_region,
  10314. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10315. }
  10316. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10317. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10318. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10319. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10320. }
  10321. }
  10322. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10323. u8 phy_index, u8 port)
  10324. {
  10325. u32 ext_phy_config = 0;
  10326. switch (phy_index) {
  10327. case EXT_PHY1:
  10328. ext_phy_config = REG_RD(bp, shmem_base +
  10329. offsetof(struct shmem_region,
  10330. dev_info.port_hw_config[port].external_phy_config));
  10331. break;
  10332. case EXT_PHY2:
  10333. ext_phy_config = REG_RD(bp, shmem_base +
  10334. offsetof(struct shmem_region,
  10335. dev_info.port_hw_config[port].external_phy_config2));
  10336. break;
  10337. default:
  10338. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10339. return -EINVAL;
  10340. }
  10341. return ext_phy_config;
  10342. }
  10343. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10344. struct bnx2x_phy *phy)
  10345. {
  10346. u32 phy_addr;
  10347. u32 chip_id;
  10348. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10349. offsetof(struct shmem_region,
  10350. dev_info.port_feature_config[port].link_config)) &
  10351. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10352. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10353. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10354. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10355. if (USES_WARPCORE(bp)) {
  10356. u32 serdes_net_if;
  10357. phy_addr = REG_RD(bp,
  10358. MISC_REG_WC0_CTRL_PHY_ADDR);
  10359. *phy = phy_warpcore;
  10360. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10361. phy->flags |= FLAGS_4_PORT_MODE;
  10362. else
  10363. phy->flags &= ~FLAGS_4_PORT_MODE;
  10364. /* Check Dual mode */
  10365. serdes_net_if = (REG_RD(bp, shmem_base +
  10366. offsetof(struct shmem_region, dev_info.
  10367. port_hw_config[port].default_cfg)) &
  10368. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10369. /* Set the appropriate supported and flags indications per
  10370. * interface type of the chip
  10371. */
  10372. switch (serdes_net_if) {
  10373. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10374. phy->supported &= (SUPPORTED_10baseT_Half |
  10375. SUPPORTED_10baseT_Full |
  10376. SUPPORTED_100baseT_Half |
  10377. SUPPORTED_100baseT_Full |
  10378. SUPPORTED_1000baseT_Full |
  10379. SUPPORTED_FIBRE |
  10380. SUPPORTED_Autoneg |
  10381. SUPPORTED_Pause |
  10382. SUPPORTED_Asym_Pause);
  10383. phy->media_type = ETH_PHY_BASE_T;
  10384. break;
  10385. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10386. phy->media_type = ETH_PHY_XFP_FIBER;
  10387. break;
  10388. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10389. phy->supported &= (SUPPORTED_1000baseT_Full |
  10390. SUPPORTED_10000baseT_Full |
  10391. SUPPORTED_FIBRE |
  10392. SUPPORTED_Pause |
  10393. SUPPORTED_Asym_Pause);
  10394. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10395. break;
  10396. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10397. phy->media_type = ETH_PHY_KR;
  10398. phy->supported &= (SUPPORTED_1000baseT_Full |
  10399. SUPPORTED_10000baseT_Full |
  10400. SUPPORTED_FIBRE |
  10401. SUPPORTED_Autoneg |
  10402. SUPPORTED_Pause |
  10403. SUPPORTED_Asym_Pause);
  10404. break;
  10405. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10406. phy->media_type = ETH_PHY_KR;
  10407. phy->flags |= FLAGS_WC_DUAL_MODE;
  10408. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10409. SUPPORTED_FIBRE |
  10410. SUPPORTED_Pause |
  10411. SUPPORTED_Asym_Pause);
  10412. break;
  10413. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10414. phy->media_type = ETH_PHY_KR;
  10415. phy->flags |= FLAGS_WC_DUAL_MODE;
  10416. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10417. SUPPORTED_FIBRE |
  10418. SUPPORTED_Pause |
  10419. SUPPORTED_Asym_Pause);
  10420. break;
  10421. default:
  10422. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10423. serdes_net_if);
  10424. break;
  10425. }
  10426. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10427. * was not set as expected. For B0, ECO will be enabled so there
  10428. * won't be an issue there
  10429. */
  10430. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10431. phy->flags |= FLAGS_MDC_MDIO_WA;
  10432. else
  10433. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10434. } else {
  10435. switch (switch_cfg) {
  10436. case SWITCH_CFG_1G:
  10437. phy_addr = REG_RD(bp,
  10438. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10439. port * 0x10);
  10440. *phy = phy_serdes;
  10441. break;
  10442. case SWITCH_CFG_10G:
  10443. phy_addr = REG_RD(bp,
  10444. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10445. port * 0x18);
  10446. *phy = phy_xgxs;
  10447. break;
  10448. default:
  10449. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10450. return -EINVAL;
  10451. }
  10452. }
  10453. phy->addr = (u8)phy_addr;
  10454. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10455. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10456. port);
  10457. if (CHIP_IS_E2(bp))
  10458. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10459. else
  10460. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10461. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10462. port, phy->addr, phy->mdio_ctrl);
  10463. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10464. return 0;
  10465. }
  10466. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10467. u8 phy_index,
  10468. u32 shmem_base,
  10469. u32 shmem2_base,
  10470. u8 port,
  10471. struct bnx2x_phy *phy)
  10472. {
  10473. u32 ext_phy_config, phy_type, config2;
  10474. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10475. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10476. phy_index, port);
  10477. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10478. /* Select the phy type */
  10479. switch (phy_type) {
  10480. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10481. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10482. *phy = phy_8073;
  10483. break;
  10484. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10485. *phy = phy_8705;
  10486. break;
  10487. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10488. *phy = phy_8706;
  10489. break;
  10490. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10491. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10492. *phy = phy_8726;
  10493. break;
  10494. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10495. /* BCM8727_NOC => BCM8727 no over current */
  10496. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10497. *phy = phy_8727;
  10498. phy->flags |= FLAGS_NOC;
  10499. break;
  10500. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10501. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10502. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10503. *phy = phy_8727;
  10504. break;
  10505. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10506. *phy = phy_8481;
  10507. break;
  10508. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10509. *phy = phy_84823;
  10510. break;
  10511. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10512. *phy = phy_84833;
  10513. break;
  10514. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10515. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10516. *phy = phy_54618se;
  10517. break;
  10518. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10519. *phy = phy_7101;
  10520. break;
  10521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10522. *phy = phy_null;
  10523. return -EINVAL;
  10524. default:
  10525. *phy = phy_null;
  10526. /* In case external PHY wasn't found */
  10527. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10528. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10529. return -EINVAL;
  10530. return 0;
  10531. }
  10532. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10533. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10534. /* The shmem address of the phy version is located on different
  10535. * structures. In case this structure is too old, do not set
  10536. * the address
  10537. */
  10538. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10539. dev_info.shared_hw_config.config2));
  10540. if (phy_index == EXT_PHY1) {
  10541. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10542. port_mb[port].ext_phy_fw_version);
  10543. /* Check specific mdc mdio settings */
  10544. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10545. mdc_mdio_access = config2 &
  10546. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10547. } else {
  10548. u32 size = REG_RD(bp, shmem2_base);
  10549. if (size >
  10550. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10551. phy->ver_addr = shmem2_base +
  10552. offsetof(struct shmem2_region,
  10553. ext_phy_fw_version2[port]);
  10554. }
  10555. /* Check specific mdc mdio settings */
  10556. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10557. mdc_mdio_access = (config2 &
  10558. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10559. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10560. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10561. }
  10562. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10563. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10564. (phy->ver_addr)) {
  10565. /* Remove 100Mb link supported for BCM84833 when phy fw
  10566. * version lower than or equal to 1.39
  10567. */
  10568. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10569. if (((raw_ver & 0x7F) <= 39) &&
  10570. (((raw_ver & 0xF80) >> 7) <= 1))
  10571. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10572. SUPPORTED_100baseT_Full);
  10573. }
  10574. /* In case mdc/mdio_access of the external phy is different than the
  10575. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10576. * to prevent one port interfere with another port's CL45 operations.
  10577. */
  10578. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10579. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10580. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10581. phy_type, port, phy_index);
  10582. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10583. phy->addr, phy->mdio_ctrl);
  10584. return 0;
  10585. }
  10586. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10587. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10588. {
  10589. int status = 0;
  10590. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10591. if (phy_index == INT_PHY)
  10592. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10593. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10594. port, phy);
  10595. return status;
  10596. }
  10597. static void bnx2x_phy_def_cfg(struct link_params *params,
  10598. struct bnx2x_phy *phy,
  10599. u8 phy_index)
  10600. {
  10601. struct bnx2x *bp = params->bp;
  10602. u32 link_config;
  10603. /* Populate the default phy configuration for MF mode */
  10604. if (phy_index == EXT_PHY2) {
  10605. link_config = REG_RD(bp, params->shmem_base +
  10606. offsetof(struct shmem_region, dev_info.
  10607. port_feature_config[params->port].link_config2));
  10608. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10609. offsetof(struct shmem_region,
  10610. dev_info.
  10611. port_hw_config[params->port].speed_capability_mask2));
  10612. } else {
  10613. link_config = REG_RD(bp, params->shmem_base +
  10614. offsetof(struct shmem_region, dev_info.
  10615. port_feature_config[params->port].link_config));
  10616. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10617. offsetof(struct shmem_region,
  10618. dev_info.
  10619. port_hw_config[params->port].speed_capability_mask));
  10620. }
  10621. DP(NETIF_MSG_LINK,
  10622. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10623. phy_index, link_config, phy->speed_cap_mask);
  10624. phy->req_duplex = DUPLEX_FULL;
  10625. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10626. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10627. phy->req_duplex = DUPLEX_HALF;
  10628. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10629. phy->req_line_speed = SPEED_10;
  10630. break;
  10631. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10632. phy->req_duplex = DUPLEX_HALF;
  10633. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10634. phy->req_line_speed = SPEED_100;
  10635. break;
  10636. case PORT_FEATURE_LINK_SPEED_1G:
  10637. phy->req_line_speed = SPEED_1000;
  10638. break;
  10639. case PORT_FEATURE_LINK_SPEED_2_5G:
  10640. phy->req_line_speed = SPEED_2500;
  10641. break;
  10642. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10643. phy->req_line_speed = SPEED_10000;
  10644. break;
  10645. default:
  10646. phy->req_line_speed = SPEED_AUTO_NEG;
  10647. break;
  10648. }
  10649. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10650. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10651. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10652. break;
  10653. case PORT_FEATURE_FLOW_CONTROL_TX:
  10654. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10655. break;
  10656. case PORT_FEATURE_FLOW_CONTROL_RX:
  10657. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10658. break;
  10659. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10660. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10661. break;
  10662. default:
  10663. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10664. break;
  10665. }
  10666. }
  10667. u32 bnx2x_phy_selection(struct link_params *params)
  10668. {
  10669. u32 phy_config_swapped, prio_cfg;
  10670. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10671. phy_config_swapped = params->multi_phy_config &
  10672. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10673. prio_cfg = params->multi_phy_config &
  10674. PORT_HW_CFG_PHY_SELECTION_MASK;
  10675. if (phy_config_swapped) {
  10676. switch (prio_cfg) {
  10677. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10678. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10679. break;
  10680. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10681. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10682. break;
  10683. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10684. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10685. break;
  10686. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10687. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10688. break;
  10689. }
  10690. } else
  10691. return_cfg = prio_cfg;
  10692. return return_cfg;
  10693. }
  10694. int bnx2x_phy_probe(struct link_params *params)
  10695. {
  10696. u8 phy_index, actual_phy_idx;
  10697. u32 phy_config_swapped, sync_offset, media_types;
  10698. struct bnx2x *bp = params->bp;
  10699. struct bnx2x_phy *phy;
  10700. params->num_phys = 0;
  10701. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10702. phy_config_swapped = params->multi_phy_config &
  10703. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10704. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10705. phy_index++) {
  10706. actual_phy_idx = phy_index;
  10707. if (phy_config_swapped) {
  10708. if (phy_index == EXT_PHY1)
  10709. actual_phy_idx = EXT_PHY2;
  10710. else if (phy_index == EXT_PHY2)
  10711. actual_phy_idx = EXT_PHY1;
  10712. }
  10713. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10714. " actual_phy_idx %x\n", phy_config_swapped,
  10715. phy_index, actual_phy_idx);
  10716. phy = &params->phy[actual_phy_idx];
  10717. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10718. params->shmem2_base, params->port,
  10719. phy) != 0) {
  10720. params->num_phys = 0;
  10721. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10722. phy_index);
  10723. for (phy_index = INT_PHY;
  10724. phy_index < MAX_PHYS;
  10725. phy_index++)
  10726. *phy = phy_null;
  10727. return -EINVAL;
  10728. }
  10729. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10730. break;
  10731. if (params->feature_config_flags &
  10732. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10733. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10734. sync_offset = params->shmem_base +
  10735. offsetof(struct shmem_region,
  10736. dev_info.port_hw_config[params->port].media_type);
  10737. media_types = REG_RD(bp, sync_offset);
  10738. /* Update media type for non-PMF sync only for the first time
  10739. * In case the media type changes afterwards, it will be updated
  10740. * using the update_status function
  10741. */
  10742. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10743. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10744. actual_phy_idx))) == 0) {
  10745. media_types |= ((phy->media_type &
  10746. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10747. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10748. actual_phy_idx));
  10749. }
  10750. REG_WR(bp, sync_offset, media_types);
  10751. bnx2x_phy_def_cfg(params, phy, phy_index);
  10752. params->num_phys++;
  10753. }
  10754. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10755. return 0;
  10756. }
  10757. void bnx2x_init_bmac_loopback(struct link_params *params,
  10758. struct link_vars *vars)
  10759. {
  10760. struct bnx2x *bp = params->bp;
  10761. vars->link_up = 1;
  10762. vars->line_speed = SPEED_10000;
  10763. vars->duplex = DUPLEX_FULL;
  10764. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10765. vars->mac_type = MAC_TYPE_BMAC;
  10766. vars->phy_flags = PHY_XGXS_FLAG;
  10767. bnx2x_xgxs_deassert(params);
  10768. /* set bmac loopback */
  10769. bnx2x_bmac_enable(params, vars, 1);
  10770. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10771. }
  10772. void bnx2x_init_emac_loopback(struct link_params *params,
  10773. struct link_vars *vars)
  10774. {
  10775. struct bnx2x *bp = params->bp;
  10776. vars->link_up = 1;
  10777. vars->line_speed = SPEED_1000;
  10778. vars->duplex = DUPLEX_FULL;
  10779. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10780. vars->mac_type = MAC_TYPE_EMAC;
  10781. vars->phy_flags = PHY_XGXS_FLAG;
  10782. bnx2x_xgxs_deassert(params);
  10783. /* set bmac loopback */
  10784. bnx2x_emac_enable(params, vars, 1);
  10785. bnx2x_emac_program(params, vars);
  10786. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10787. }
  10788. void bnx2x_init_xmac_loopback(struct link_params *params,
  10789. struct link_vars *vars)
  10790. {
  10791. struct bnx2x *bp = params->bp;
  10792. vars->link_up = 1;
  10793. if (!params->req_line_speed[0])
  10794. vars->line_speed = SPEED_10000;
  10795. else
  10796. vars->line_speed = params->req_line_speed[0];
  10797. vars->duplex = DUPLEX_FULL;
  10798. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10799. vars->mac_type = MAC_TYPE_XMAC;
  10800. vars->phy_flags = PHY_XGXS_FLAG;
  10801. /* Set WC to loopback mode since link is required to provide clock
  10802. * to the XMAC in 20G mode
  10803. */
  10804. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10805. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10806. params->phy[INT_PHY].config_loopback(
  10807. &params->phy[INT_PHY],
  10808. params);
  10809. bnx2x_xmac_enable(params, vars, 1);
  10810. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10811. }
  10812. void bnx2x_init_umac_loopback(struct link_params *params,
  10813. struct link_vars *vars)
  10814. {
  10815. struct bnx2x *bp = params->bp;
  10816. vars->link_up = 1;
  10817. vars->line_speed = SPEED_1000;
  10818. vars->duplex = DUPLEX_FULL;
  10819. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10820. vars->mac_type = MAC_TYPE_UMAC;
  10821. vars->phy_flags = PHY_XGXS_FLAG;
  10822. bnx2x_umac_enable(params, vars, 1);
  10823. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10824. }
  10825. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10826. struct link_vars *vars)
  10827. {
  10828. struct bnx2x *bp = params->bp;
  10829. vars->link_up = 1;
  10830. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10831. vars->duplex = DUPLEX_FULL;
  10832. if (params->req_line_speed[0] == SPEED_1000)
  10833. vars->line_speed = SPEED_1000;
  10834. else
  10835. vars->line_speed = SPEED_10000;
  10836. if (!USES_WARPCORE(bp))
  10837. bnx2x_xgxs_deassert(params);
  10838. bnx2x_link_initialize(params, vars);
  10839. if (params->req_line_speed[0] == SPEED_1000) {
  10840. if (USES_WARPCORE(bp))
  10841. bnx2x_umac_enable(params, vars, 0);
  10842. else {
  10843. bnx2x_emac_program(params, vars);
  10844. bnx2x_emac_enable(params, vars, 0);
  10845. }
  10846. } else {
  10847. if (USES_WARPCORE(bp))
  10848. bnx2x_xmac_enable(params, vars, 0);
  10849. else
  10850. bnx2x_bmac_enable(params, vars, 0);
  10851. }
  10852. if (params->loopback_mode == LOOPBACK_XGXS) {
  10853. /* set 10G XGXS loopback */
  10854. params->phy[INT_PHY].config_loopback(
  10855. &params->phy[INT_PHY],
  10856. params);
  10857. } else {
  10858. /* set external phy loopback */
  10859. u8 phy_index;
  10860. for (phy_index = EXT_PHY1;
  10861. phy_index < params->num_phys; phy_index++) {
  10862. if (params->phy[phy_index].config_loopback)
  10863. params->phy[phy_index].config_loopback(
  10864. &params->phy[phy_index],
  10865. params);
  10866. }
  10867. }
  10868. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10869. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10870. }
  10871. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10872. {
  10873. struct bnx2x *bp = params->bp;
  10874. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10875. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10876. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10877. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10878. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10879. vars->link_status = 0;
  10880. vars->phy_link_up = 0;
  10881. vars->link_up = 0;
  10882. vars->line_speed = 0;
  10883. vars->duplex = DUPLEX_FULL;
  10884. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10885. vars->mac_type = MAC_TYPE_NONE;
  10886. vars->phy_flags = 0;
  10887. /* Disable attentions */
  10888. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10889. (NIG_MASK_XGXS0_LINK_STATUS |
  10890. NIG_MASK_XGXS0_LINK10G |
  10891. NIG_MASK_SERDES0_LINK_STATUS |
  10892. NIG_MASK_MI_INT));
  10893. bnx2x_emac_init(params, vars);
  10894. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10895. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10896. if (params->num_phys == 0) {
  10897. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10898. return -EINVAL;
  10899. }
  10900. set_phy_vars(params, vars);
  10901. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10902. switch (params->loopback_mode) {
  10903. case LOOPBACK_BMAC:
  10904. bnx2x_init_bmac_loopback(params, vars);
  10905. break;
  10906. case LOOPBACK_EMAC:
  10907. bnx2x_init_emac_loopback(params, vars);
  10908. break;
  10909. case LOOPBACK_XMAC:
  10910. bnx2x_init_xmac_loopback(params, vars);
  10911. break;
  10912. case LOOPBACK_UMAC:
  10913. bnx2x_init_umac_loopback(params, vars);
  10914. break;
  10915. case LOOPBACK_XGXS:
  10916. case LOOPBACK_EXT_PHY:
  10917. bnx2x_init_xgxs_loopback(params, vars);
  10918. break;
  10919. default:
  10920. if (!CHIP_IS_E3(bp)) {
  10921. if (params->switch_cfg == SWITCH_CFG_10G)
  10922. bnx2x_xgxs_deassert(params);
  10923. else
  10924. bnx2x_serdes_deassert(bp, params->port);
  10925. }
  10926. bnx2x_link_initialize(params, vars);
  10927. msleep(30);
  10928. bnx2x_link_int_enable(params);
  10929. break;
  10930. }
  10931. bnx2x_update_mng(params, vars->link_status);
  10932. bnx2x_update_mng_eee(params, vars->eee_status);
  10933. return 0;
  10934. }
  10935. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10936. u8 reset_ext_phy)
  10937. {
  10938. struct bnx2x *bp = params->bp;
  10939. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10940. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10941. /* Disable attentions */
  10942. vars->link_status = 0;
  10943. bnx2x_update_mng(params, vars->link_status);
  10944. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10945. SHMEM_EEE_ACTIVE_BIT);
  10946. bnx2x_update_mng_eee(params, vars->eee_status);
  10947. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10948. (NIG_MASK_XGXS0_LINK_STATUS |
  10949. NIG_MASK_XGXS0_LINK10G |
  10950. NIG_MASK_SERDES0_LINK_STATUS |
  10951. NIG_MASK_MI_INT));
  10952. /* Activate nig drain */
  10953. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10954. /* Disable nig egress interface */
  10955. if (!CHIP_IS_E3(bp)) {
  10956. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10957. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10958. }
  10959. /* Stop BigMac rx */
  10960. if (!CHIP_IS_E3(bp))
  10961. bnx2x_bmac_rx_disable(bp, port);
  10962. else {
  10963. bnx2x_xmac_disable(params);
  10964. bnx2x_umac_disable(params);
  10965. }
  10966. /* Disable emac */
  10967. if (!CHIP_IS_E3(bp))
  10968. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10969. usleep_range(10000, 20000);
  10970. /* The PHY reset is controlled by GPIO 1
  10971. * Hold it as vars low
  10972. */
  10973. /* Clear link led */
  10974. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10975. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10976. if (reset_ext_phy) {
  10977. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10978. phy_index++) {
  10979. if (params->phy[phy_index].link_reset) {
  10980. bnx2x_set_aer_mmd(params,
  10981. &params->phy[phy_index]);
  10982. params->phy[phy_index].link_reset(
  10983. &params->phy[phy_index],
  10984. params);
  10985. }
  10986. if (params->phy[phy_index].flags &
  10987. FLAGS_REARM_LATCH_SIGNAL)
  10988. clear_latch_ind = 1;
  10989. }
  10990. }
  10991. if (clear_latch_ind) {
  10992. /* Clear latching indication */
  10993. bnx2x_rearm_latch_signal(bp, port, 0);
  10994. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10995. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10996. }
  10997. if (params->phy[INT_PHY].link_reset)
  10998. params->phy[INT_PHY].link_reset(
  10999. &params->phy[INT_PHY], params);
  11000. /* Disable nig ingress interface */
  11001. if (!CHIP_IS_E3(bp)) {
  11002. /* Reset BigMac */
  11003. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11004. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11005. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11006. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11007. } else {
  11008. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11009. bnx2x_set_xumac_nig(params, 0, 0);
  11010. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11011. MISC_REGISTERS_RESET_REG_2_XMAC)
  11012. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11013. XMAC_CTRL_REG_SOFT_RESET);
  11014. }
  11015. vars->link_up = 0;
  11016. vars->phy_flags = 0;
  11017. return 0;
  11018. }
  11019. /****************************************************************************/
  11020. /* Common function */
  11021. /****************************************************************************/
  11022. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11023. u32 shmem_base_path[],
  11024. u32 shmem2_base_path[], u8 phy_index,
  11025. u32 chip_id)
  11026. {
  11027. struct bnx2x_phy phy[PORT_MAX];
  11028. struct bnx2x_phy *phy_blk[PORT_MAX];
  11029. u16 val;
  11030. s8 port = 0;
  11031. s8 port_of_path = 0;
  11032. u32 swap_val, swap_override;
  11033. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11034. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11035. port ^= (swap_val && swap_override);
  11036. bnx2x_ext_phy_hw_reset(bp, port);
  11037. /* PART1 - Reset both phys */
  11038. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11039. u32 shmem_base, shmem2_base;
  11040. /* In E2, same phy is using for port0 of the two paths */
  11041. if (CHIP_IS_E1x(bp)) {
  11042. shmem_base = shmem_base_path[0];
  11043. shmem2_base = shmem2_base_path[0];
  11044. port_of_path = port;
  11045. } else {
  11046. shmem_base = shmem_base_path[port];
  11047. shmem2_base = shmem2_base_path[port];
  11048. port_of_path = 0;
  11049. }
  11050. /* Extract the ext phy address for the port */
  11051. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11052. port_of_path, &phy[port]) !=
  11053. 0) {
  11054. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11055. return -EINVAL;
  11056. }
  11057. /* Disable attentions */
  11058. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11059. port_of_path*4,
  11060. (NIG_MASK_XGXS0_LINK_STATUS |
  11061. NIG_MASK_XGXS0_LINK10G |
  11062. NIG_MASK_SERDES0_LINK_STATUS |
  11063. NIG_MASK_MI_INT));
  11064. /* Need to take the phy out of low power mode in order
  11065. * to write to access its registers
  11066. */
  11067. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11068. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11069. port);
  11070. /* Reset the phy */
  11071. bnx2x_cl45_write(bp, &phy[port],
  11072. MDIO_PMA_DEVAD,
  11073. MDIO_PMA_REG_CTRL,
  11074. 1<<15);
  11075. }
  11076. /* Add delay of 150ms after reset */
  11077. msleep(150);
  11078. if (phy[PORT_0].addr & 0x1) {
  11079. phy_blk[PORT_0] = &(phy[PORT_1]);
  11080. phy_blk[PORT_1] = &(phy[PORT_0]);
  11081. } else {
  11082. phy_blk[PORT_0] = &(phy[PORT_0]);
  11083. phy_blk[PORT_1] = &(phy[PORT_1]);
  11084. }
  11085. /* PART2 - Download firmware to both phys */
  11086. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11087. if (CHIP_IS_E1x(bp))
  11088. port_of_path = port;
  11089. else
  11090. port_of_path = 0;
  11091. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11092. phy_blk[port]->addr);
  11093. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11094. port_of_path))
  11095. return -EINVAL;
  11096. /* Only set bit 10 = 1 (Tx power down) */
  11097. bnx2x_cl45_read(bp, phy_blk[port],
  11098. MDIO_PMA_DEVAD,
  11099. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11100. /* Phase1 of TX_POWER_DOWN reset */
  11101. bnx2x_cl45_write(bp, phy_blk[port],
  11102. MDIO_PMA_DEVAD,
  11103. MDIO_PMA_REG_TX_POWER_DOWN,
  11104. (val | 1<<10));
  11105. }
  11106. /* Toggle Transmitter: Power down and then up with 600ms delay
  11107. * between
  11108. */
  11109. msleep(600);
  11110. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11111. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11112. /* Phase2 of POWER_DOWN_RESET */
  11113. /* Release bit 10 (Release Tx power down) */
  11114. bnx2x_cl45_read(bp, phy_blk[port],
  11115. MDIO_PMA_DEVAD,
  11116. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11117. bnx2x_cl45_write(bp, phy_blk[port],
  11118. MDIO_PMA_DEVAD,
  11119. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11120. usleep_range(15000, 30000);
  11121. /* Read modify write the SPI-ROM version select register */
  11122. bnx2x_cl45_read(bp, phy_blk[port],
  11123. MDIO_PMA_DEVAD,
  11124. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11125. bnx2x_cl45_write(bp, phy_blk[port],
  11126. MDIO_PMA_DEVAD,
  11127. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11128. /* set GPIO2 back to LOW */
  11129. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11130. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11131. }
  11132. return 0;
  11133. }
  11134. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11135. u32 shmem_base_path[],
  11136. u32 shmem2_base_path[], u8 phy_index,
  11137. u32 chip_id)
  11138. {
  11139. u32 val;
  11140. s8 port;
  11141. struct bnx2x_phy phy;
  11142. /* Use port1 because of the static port-swap */
  11143. /* Enable the module detection interrupt */
  11144. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11145. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11146. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11147. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11148. bnx2x_ext_phy_hw_reset(bp, 0);
  11149. usleep_range(5000, 10000);
  11150. for (port = 0; port < PORT_MAX; port++) {
  11151. u32 shmem_base, shmem2_base;
  11152. /* In E2, same phy is using for port0 of the two paths */
  11153. if (CHIP_IS_E1x(bp)) {
  11154. shmem_base = shmem_base_path[0];
  11155. shmem2_base = shmem2_base_path[0];
  11156. } else {
  11157. shmem_base = shmem_base_path[port];
  11158. shmem2_base = shmem2_base_path[port];
  11159. }
  11160. /* Extract the ext phy address for the port */
  11161. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11162. port, &phy) !=
  11163. 0) {
  11164. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11165. return -EINVAL;
  11166. }
  11167. /* Reset phy*/
  11168. bnx2x_cl45_write(bp, &phy,
  11169. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11170. /* Set fault module detected LED on */
  11171. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11172. MISC_REGISTERS_GPIO_HIGH,
  11173. port);
  11174. }
  11175. return 0;
  11176. }
  11177. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11178. u8 *io_gpio, u8 *io_port)
  11179. {
  11180. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11181. offsetof(struct shmem_region,
  11182. dev_info.port_hw_config[PORT_0].default_cfg));
  11183. switch (phy_gpio_reset) {
  11184. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11185. *io_gpio = 0;
  11186. *io_port = 0;
  11187. break;
  11188. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11189. *io_gpio = 1;
  11190. *io_port = 0;
  11191. break;
  11192. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11193. *io_gpio = 2;
  11194. *io_port = 0;
  11195. break;
  11196. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11197. *io_gpio = 3;
  11198. *io_port = 0;
  11199. break;
  11200. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11201. *io_gpio = 0;
  11202. *io_port = 1;
  11203. break;
  11204. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11205. *io_gpio = 1;
  11206. *io_port = 1;
  11207. break;
  11208. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11209. *io_gpio = 2;
  11210. *io_port = 1;
  11211. break;
  11212. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11213. *io_gpio = 3;
  11214. *io_port = 1;
  11215. break;
  11216. default:
  11217. /* Don't override the io_gpio and io_port */
  11218. break;
  11219. }
  11220. }
  11221. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11222. u32 shmem_base_path[],
  11223. u32 shmem2_base_path[], u8 phy_index,
  11224. u32 chip_id)
  11225. {
  11226. s8 port, reset_gpio;
  11227. u32 swap_val, swap_override;
  11228. struct bnx2x_phy phy[PORT_MAX];
  11229. struct bnx2x_phy *phy_blk[PORT_MAX];
  11230. s8 port_of_path;
  11231. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11232. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11233. reset_gpio = MISC_REGISTERS_GPIO_1;
  11234. port = 1;
  11235. /* Retrieve the reset gpio/port which control the reset.
  11236. * Default is GPIO1, PORT1
  11237. */
  11238. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11239. (u8 *)&reset_gpio, (u8 *)&port);
  11240. /* Calculate the port based on port swap */
  11241. port ^= (swap_val && swap_override);
  11242. /* Initiate PHY reset*/
  11243. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11244. port);
  11245. usleep_range(1000, 2000);
  11246. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11247. port);
  11248. usleep_range(5000, 10000);
  11249. /* PART1 - Reset both phys */
  11250. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11251. u32 shmem_base, shmem2_base;
  11252. /* In E2, same phy is using for port0 of the two paths */
  11253. if (CHIP_IS_E1x(bp)) {
  11254. shmem_base = shmem_base_path[0];
  11255. shmem2_base = shmem2_base_path[0];
  11256. port_of_path = port;
  11257. } else {
  11258. shmem_base = shmem_base_path[port];
  11259. shmem2_base = shmem2_base_path[port];
  11260. port_of_path = 0;
  11261. }
  11262. /* Extract the ext phy address for the port */
  11263. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11264. port_of_path, &phy[port]) !=
  11265. 0) {
  11266. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11267. return -EINVAL;
  11268. }
  11269. /* disable attentions */
  11270. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11271. port_of_path*4,
  11272. (NIG_MASK_XGXS0_LINK_STATUS |
  11273. NIG_MASK_XGXS0_LINK10G |
  11274. NIG_MASK_SERDES0_LINK_STATUS |
  11275. NIG_MASK_MI_INT));
  11276. /* Reset the phy */
  11277. bnx2x_cl45_write(bp, &phy[port],
  11278. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11279. }
  11280. /* Add delay of 150ms after reset */
  11281. msleep(150);
  11282. if (phy[PORT_0].addr & 0x1) {
  11283. phy_blk[PORT_0] = &(phy[PORT_1]);
  11284. phy_blk[PORT_1] = &(phy[PORT_0]);
  11285. } else {
  11286. phy_blk[PORT_0] = &(phy[PORT_0]);
  11287. phy_blk[PORT_1] = &(phy[PORT_1]);
  11288. }
  11289. /* PART2 - Download firmware to both phys */
  11290. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11291. if (CHIP_IS_E1x(bp))
  11292. port_of_path = port;
  11293. else
  11294. port_of_path = 0;
  11295. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11296. phy_blk[port]->addr);
  11297. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11298. port_of_path))
  11299. return -EINVAL;
  11300. /* Disable PHY transmitter output */
  11301. bnx2x_cl45_write(bp, phy_blk[port],
  11302. MDIO_PMA_DEVAD,
  11303. MDIO_PMA_REG_TX_DISABLE, 1);
  11304. }
  11305. return 0;
  11306. }
  11307. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11308. u32 shmem_base_path[],
  11309. u32 shmem2_base_path[],
  11310. u8 phy_index,
  11311. u32 chip_id)
  11312. {
  11313. u8 reset_gpios;
  11314. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11315. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11316. udelay(10);
  11317. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11318. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11319. reset_gpios);
  11320. return 0;
  11321. }
  11322. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11323. struct bnx2x_phy *phy)
  11324. {
  11325. u16 val, cnt;
  11326. /* Wait for FW completing its initialization. */
  11327. for (cnt = 0; cnt < 1500; cnt++) {
  11328. bnx2x_cl45_read(bp, phy,
  11329. MDIO_PMA_DEVAD,
  11330. MDIO_PMA_REG_CTRL, &val);
  11331. if (!(val & (1<<15)))
  11332. break;
  11333. usleep_range(1000, 2000);
  11334. }
  11335. if (cnt >= 1500) {
  11336. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11337. return -EINVAL;
  11338. }
  11339. /* Put the port in super isolate mode. */
  11340. bnx2x_cl45_read(bp, phy,
  11341. MDIO_CTL_DEVAD,
  11342. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11343. val |= MDIO_84833_SUPER_ISOLATE;
  11344. bnx2x_cl45_write(bp, phy,
  11345. MDIO_CTL_DEVAD,
  11346. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11347. /* Save spirom version */
  11348. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11349. return 0;
  11350. }
  11351. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11352. u32 shmem_base,
  11353. u32 shmem2_base,
  11354. u32 chip_id)
  11355. {
  11356. int rc = 0;
  11357. struct bnx2x_phy phy;
  11358. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11359. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11360. PORT_0, &phy)) {
  11361. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11362. return -EINVAL;
  11363. }
  11364. switch (phy.type) {
  11365. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11366. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11367. break;
  11368. default:
  11369. break;
  11370. }
  11371. return rc;
  11372. }
  11373. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11374. u32 shmem2_base_path[], u8 phy_index,
  11375. u32 ext_phy_type, u32 chip_id)
  11376. {
  11377. int rc = 0;
  11378. switch (ext_phy_type) {
  11379. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11380. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11381. shmem2_base_path,
  11382. phy_index, chip_id);
  11383. break;
  11384. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11385. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11386. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11387. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11388. shmem2_base_path,
  11389. phy_index, chip_id);
  11390. break;
  11391. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11392. /* GPIO1 affects both ports, so there's need to pull
  11393. * it for single port alone
  11394. */
  11395. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11396. shmem2_base_path,
  11397. phy_index, chip_id);
  11398. break;
  11399. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11400. /* GPIO3's are linked, and so both need to be toggled
  11401. * to obtain required 2us pulse.
  11402. */
  11403. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11404. shmem2_base_path,
  11405. phy_index, chip_id);
  11406. break;
  11407. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11408. rc = -EINVAL;
  11409. break;
  11410. default:
  11411. DP(NETIF_MSG_LINK,
  11412. "ext_phy 0x%x common init not required\n",
  11413. ext_phy_type);
  11414. break;
  11415. }
  11416. if (rc)
  11417. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11418. " Port %d\n",
  11419. 0);
  11420. return rc;
  11421. }
  11422. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11423. u32 shmem2_base_path[], u32 chip_id)
  11424. {
  11425. int rc = 0;
  11426. u32 phy_ver, val;
  11427. u8 phy_index = 0;
  11428. u32 ext_phy_type, ext_phy_config;
  11429. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11430. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11431. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11432. if (CHIP_IS_E3(bp)) {
  11433. /* Enable EPIO */
  11434. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11435. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11436. }
  11437. /* Check if common init was already done */
  11438. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11439. offsetof(struct shmem_region,
  11440. port_mb[PORT_0].ext_phy_fw_version));
  11441. if (phy_ver) {
  11442. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11443. phy_ver);
  11444. return 0;
  11445. }
  11446. /* Read the ext_phy_type for arbitrary port(0) */
  11447. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11448. phy_index++) {
  11449. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11450. shmem_base_path[0],
  11451. phy_index, 0);
  11452. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11453. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11454. shmem2_base_path,
  11455. phy_index, ext_phy_type,
  11456. chip_id);
  11457. }
  11458. return rc;
  11459. }
  11460. static void bnx2x_check_over_curr(struct link_params *params,
  11461. struct link_vars *vars)
  11462. {
  11463. struct bnx2x *bp = params->bp;
  11464. u32 cfg_pin;
  11465. u8 port = params->port;
  11466. u32 pin_val;
  11467. cfg_pin = (REG_RD(bp, params->shmem_base +
  11468. offsetof(struct shmem_region,
  11469. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11470. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11471. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11472. /* Ignore check if no external input PIN available */
  11473. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11474. return;
  11475. if (!pin_val) {
  11476. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11477. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11478. " been detected and the power to "
  11479. "that SFP+ module has been removed"
  11480. " to prevent failure of the card."
  11481. " Please remove the SFP+ module and"
  11482. " restart the system to clear this"
  11483. " error.\n",
  11484. params->port);
  11485. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11486. }
  11487. } else
  11488. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11489. }
  11490. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11491. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11492. struct link_vars *vars, u32 status,
  11493. u32 phy_flag, u32 link_flag, u8 notify)
  11494. {
  11495. struct bnx2x *bp = params->bp;
  11496. /* Compare new value with previous value */
  11497. u8 led_mode;
  11498. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11499. if ((status ^ old_status) == 0)
  11500. return 0;
  11501. /* If values differ */
  11502. switch (phy_flag) {
  11503. case PHY_HALF_OPEN_CONN_FLAG:
  11504. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11505. break;
  11506. case PHY_SFP_TX_FAULT_FLAG:
  11507. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11508. break;
  11509. default:
  11510. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11511. }
  11512. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11513. old_status, status);
  11514. /* a. Update shmem->link_status accordingly
  11515. * b. Update link_vars->link_up
  11516. */
  11517. if (status) {
  11518. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11519. vars->link_status |= link_flag;
  11520. vars->link_up = 0;
  11521. vars->phy_flags |= phy_flag;
  11522. /* activate nig drain */
  11523. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11524. /* Set LED mode to off since the PHY doesn't know about these
  11525. * errors
  11526. */
  11527. led_mode = LED_MODE_OFF;
  11528. } else {
  11529. vars->link_status |= LINK_STATUS_LINK_UP;
  11530. vars->link_status &= ~link_flag;
  11531. vars->link_up = 1;
  11532. vars->phy_flags &= ~phy_flag;
  11533. led_mode = LED_MODE_OPER;
  11534. /* Clear nig drain */
  11535. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11536. }
  11537. bnx2x_sync_link(params, vars);
  11538. /* Update the LED according to the link state */
  11539. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11540. /* Update link status in the shared memory */
  11541. bnx2x_update_mng(params, vars->link_status);
  11542. /* C. Trigger General Attention */
  11543. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11544. if (notify)
  11545. bnx2x_notify_link_changed(bp);
  11546. return 1;
  11547. }
  11548. /******************************************************************************
  11549. * Description:
  11550. * This function checks for half opened connection change indication.
  11551. * When such change occurs, it calls the bnx2x_analyze_link_error
  11552. * to check if Remote Fault is set or cleared. Reception of remote fault
  11553. * status message in the MAC indicates that the peer's MAC has detected
  11554. * a fault, for example, due to break in the TX side of fiber.
  11555. *
  11556. ******************************************************************************/
  11557. int bnx2x_check_half_open_conn(struct link_params *params,
  11558. struct link_vars *vars,
  11559. u8 notify)
  11560. {
  11561. struct bnx2x *bp = params->bp;
  11562. u32 lss_status = 0;
  11563. u32 mac_base;
  11564. /* In case link status is physically up @ 10G do */
  11565. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11566. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11567. return 0;
  11568. if (CHIP_IS_E3(bp) &&
  11569. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11570. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11571. /* Check E3 XMAC */
  11572. /* Note that link speed cannot be queried here, since it may be
  11573. * zero while link is down. In case UMAC is active, LSS will
  11574. * simply not be set
  11575. */
  11576. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11577. /* Clear stick bits (Requires rising edge) */
  11578. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11579. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11580. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11581. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11582. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11583. lss_status = 1;
  11584. bnx2x_analyze_link_error(params, vars, lss_status,
  11585. PHY_HALF_OPEN_CONN_FLAG,
  11586. LINK_STATUS_NONE, notify);
  11587. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11588. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11589. /* Check E1X / E2 BMAC */
  11590. u32 lss_status_reg;
  11591. u32 wb_data[2];
  11592. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11593. NIG_REG_INGRESS_BMAC0_MEM;
  11594. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11595. if (CHIP_IS_E2(bp))
  11596. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11597. else
  11598. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11599. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11600. lss_status = (wb_data[0] > 0);
  11601. bnx2x_analyze_link_error(params, vars, lss_status,
  11602. PHY_HALF_OPEN_CONN_FLAG,
  11603. LINK_STATUS_NONE, notify);
  11604. }
  11605. return 0;
  11606. }
  11607. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11608. struct link_params *params,
  11609. struct link_vars *vars)
  11610. {
  11611. struct bnx2x *bp = params->bp;
  11612. u32 cfg_pin, value = 0;
  11613. u8 led_change, port = params->port;
  11614. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11615. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11616. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11617. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11618. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11619. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11620. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11621. return;
  11622. }
  11623. led_change = bnx2x_analyze_link_error(params, vars, value,
  11624. PHY_SFP_TX_FAULT_FLAG,
  11625. LINK_STATUS_SFP_TX_FAULT, 1);
  11626. if (led_change) {
  11627. /* Change TX_Fault led, set link status for further syncs */
  11628. u8 led_mode;
  11629. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11630. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11631. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11632. } else {
  11633. led_mode = MISC_REGISTERS_GPIO_LOW;
  11634. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11635. }
  11636. /* If module is unapproved, led should be on regardless */
  11637. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11638. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11639. led_mode);
  11640. bnx2x_set_e3_module_fault_led(params, led_mode);
  11641. }
  11642. }
  11643. }
  11644. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11645. {
  11646. u16 phy_idx;
  11647. struct bnx2x *bp = params->bp;
  11648. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11649. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11650. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11651. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11652. 0)
  11653. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11654. break;
  11655. }
  11656. }
  11657. if (CHIP_IS_E3(bp)) {
  11658. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11659. bnx2x_set_aer_mmd(params, phy);
  11660. bnx2x_check_over_curr(params, vars);
  11661. if (vars->rx_tx_asic_rst)
  11662. bnx2x_warpcore_config_runtime(phy, params, vars);
  11663. if ((REG_RD(bp, params->shmem_base +
  11664. offsetof(struct shmem_region, dev_info.
  11665. port_hw_config[params->port].default_cfg))
  11666. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11667. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11668. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11669. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11670. } else if (vars->link_status &
  11671. LINK_STATUS_SFP_TX_FAULT) {
  11672. /* Clean trail, interrupt corrects the leds */
  11673. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11674. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11675. /* Update link status in the shared memory */
  11676. bnx2x_update_mng(params, vars->link_status);
  11677. }
  11678. }
  11679. }
  11680. }
  11681. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11682. {
  11683. u8 phy_index;
  11684. struct bnx2x_phy phy;
  11685. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11686. phy_index++) {
  11687. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11688. 0, &phy) != 0) {
  11689. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11690. return 0;
  11691. }
  11692. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11693. return 1;
  11694. }
  11695. return 0;
  11696. }
  11697. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11698. u32 shmem_base,
  11699. u32 shmem2_base,
  11700. u8 port)
  11701. {
  11702. u8 phy_index, fan_failure_det_req = 0;
  11703. struct bnx2x_phy phy;
  11704. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11705. phy_index++) {
  11706. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11707. port, &phy)
  11708. != 0) {
  11709. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11710. return 0;
  11711. }
  11712. fan_failure_det_req |= (phy.flags &
  11713. FLAGS_FAN_FAILURE_DET_REQ);
  11714. }
  11715. return fan_failure_det_req;
  11716. }
  11717. void bnx2x_hw_reset_phy(struct link_params *params)
  11718. {
  11719. u8 phy_index;
  11720. struct bnx2x *bp = params->bp;
  11721. bnx2x_update_mng(params, 0);
  11722. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11723. (NIG_MASK_XGXS0_LINK_STATUS |
  11724. NIG_MASK_XGXS0_LINK10G |
  11725. NIG_MASK_SERDES0_LINK_STATUS |
  11726. NIG_MASK_MI_INT));
  11727. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11728. phy_index++) {
  11729. if (params->phy[phy_index].hw_reset) {
  11730. params->phy[phy_index].hw_reset(
  11731. &params->phy[phy_index],
  11732. params);
  11733. params->phy[phy_index] = phy_null;
  11734. }
  11735. }
  11736. }
  11737. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11738. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11739. u8 port)
  11740. {
  11741. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11742. u32 val;
  11743. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11744. if (CHIP_IS_E3(bp)) {
  11745. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11746. shmem_base,
  11747. port,
  11748. &gpio_num,
  11749. &gpio_port) != 0)
  11750. return;
  11751. } else {
  11752. struct bnx2x_phy phy;
  11753. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11754. phy_index++) {
  11755. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11756. shmem2_base, port, &phy)
  11757. != 0) {
  11758. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11759. return;
  11760. }
  11761. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11762. gpio_num = MISC_REGISTERS_GPIO_3;
  11763. gpio_port = port;
  11764. break;
  11765. }
  11766. }
  11767. }
  11768. if (gpio_num == 0xff)
  11769. return;
  11770. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11771. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11772. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11773. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11774. gpio_port ^= (swap_val && swap_override);
  11775. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11776. (gpio_num + (gpio_port << 2));
  11777. sync_offset = shmem_base +
  11778. offsetof(struct shmem_region,
  11779. dev_info.port_hw_config[port].aeu_int_mask);
  11780. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11781. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11782. gpio_num, gpio_port, vars->aeu_int_mask);
  11783. if (port == 0)
  11784. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11785. else
  11786. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11787. /* Open appropriate AEU for interrupts */
  11788. aeu_mask = REG_RD(bp, offset);
  11789. aeu_mask |= vars->aeu_int_mask;
  11790. REG_WR(bp, offset, aeu_mask);
  11791. /* Enable the GPIO to trigger interrupt */
  11792. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11793. val |= 1 << (gpio_num + (gpio_port << 2));
  11794. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11795. }