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