bnx2x_link.c 386 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define MCPR_IMC_COMMAND_READ_OP 1
  40. #define MCPR_IMC_COMMAND_WRITE_OP 2
  41. /* LED Blink rate that will achieve ~15.9Hz */
  42. #define LED_BLINK_RATE_VAL_E3 354
  43. #define LED_BLINK_RATE_VAL_E1X_E2 480
  44. /***********************************************************/
  45. /* Shortcut definitions */
  46. /***********************************************************/
  47. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  48. #define NIG_STATUS_EMAC0_MI_INT \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  50. #define NIG_STATUS_XGXS0_LINK10G \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  52. #define NIG_STATUS_XGXS0_LINK_STATUS \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  54. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  56. #define NIG_STATUS_SERDES0_LINK_STATUS \
  57. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  58. #define NIG_MASK_MI_INT \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  60. #define NIG_MASK_XGXS0_LINK10G \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  62. #define NIG_MASK_XGXS0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  64. #define NIG_MASK_SERDES0_LINK_STATUS \
  65. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  66. #define MDIO_AN_CL73_OR_37_COMPLETE \
  67. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  68. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  69. #define XGXS_RESET_BITS \
  70. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  75. #define SERDES_RESET_BITS \
  76. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  80. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  81. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  82. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  83. #define AUTONEG_PARALLEL \
  84. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  85. #define AUTONEG_SGMII_FIBER_AUTODET \
  86. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  87. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  88. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  90. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  92. #define GP_STATUS_SPEED_MASK \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  94. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  95. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  96. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  97. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  98. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  99. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  100. #define GP_STATUS_10G_HIG \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  102. #define GP_STATUS_10G_CX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  104. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  105. #define GP_STATUS_10G_KX4 \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  107. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  108. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  109. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  110. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  111. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  112. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  113. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  114. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  115. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  116. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  117. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  118. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  119. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  120. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  121. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  122. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  123. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  124. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  125. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  126. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  127. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  128. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  129. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  130. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  131. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  132. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  133. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  136. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  137. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  138. #define SFP_EEPROM_OPTIONS_SIZE 2
  139. #define EDC_MODE_LINEAR 0x0022
  140. #define EDC_MODE_LIMITING 0x0044
  141. #define EDC_MODE_PASSIVE_DAC 0x0055
  142. /* BRB default for class 0 E2 */
  143. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  145. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  147. /* BRB thresholds for E2*/
  148. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  150. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  154. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  156. /* BRB default for class 0 E3A0 */
  157. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  159. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  161. /* BRB thresholds for E3A0 */
  162. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  168. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  170. /* BRB default for E3B0 */
  171. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  173. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  175. /* BRB thresholds for E3B0 2 port mode*/
  176. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  184. /* only for E3B0*/
  185. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  187. /* Lossy +Lossless GUARANTIED == GUART */
  188. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  189. /* Lossless +Lossless*/
  190. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  191. /* Lossy +Lossy*/
  192. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  193. /* Lossy +Lossless*/
  194. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  195. /* Lossless +Lossless*/
  196. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  197. /* Lossy +Lossy*/
  198. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  199. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  200. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  202. /* BRB thresholds for E3B0 4 port mode */
  203. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  211. /* only for E3B0*/
  212. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  214. #define PFC_E3B0_4P_LB_GUART 120
  215. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  217. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  219. /* Pause defines*/
  220. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  222. #define DEFAULT_E3B0_LB_GUART 40
  223. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  225. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  227. /* ETS defines*/
  228. #define DCBX_INVALID_COS (0xFF)
  229. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  230. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  231. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  233. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  234. #define MAX_PACKET_SIZE (9700)
  235. #define MAX_KR_LINK_RETRY 4
  236. /**********************************************************/
  237. /* INTERFACE */
  238. /**********************************************************/
  239. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  240. bnx2x_cl45_write(_bp, _phy, \
  241. (_phy)->def_md_devad, \
  242. (_bank + (_addr & 0xf)), \
  243. _val)
  244. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  245. bnx2x_cl45_read(_bp, _phy, \
  246. (_phy)->def_md_devad, \
  247. (_bank + (_addr & 0xf)), \
  248. _val)
  249. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  250. {
  251. u32 val = REG_RD(bp, reg);
  252. val |= bits;
  253. REG_WR(bp, reg, val);
  254. return val;
  255. }
  256. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  257. {
  258. u32 val = REG_RD(bp, reg);
  259. val &= ~bits;
  260. REG_WR(bp, reg, val);
  261. return val;
  262. }
  263. /******************************************************************/
  264. /* EPIO/GPIO section */
  265. /******************************************************************/
  266. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  267. {
  268. u32 epio_mask, gp_oenable;
  269. *en = 0;
  270. /* Sanity check */
  271. if (epio_pin > 31) {
  272. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  273. return;
  274. }
  275. epio_mask = 1 << epio_pin;
  276. /* Set this EPIO to output */
  277. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  278. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  279. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  280. }
  281. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  282. {
  283. u32 epio_mask, gp_output, gp_oenable;
  284. /* Sanity check */
  285. if (epio_pin > 31) {
  286. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  287. return;
  288. }
  289. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  290. epio_mask = 1 << epio_pin;
  291. /* Set this EPIO to output */
  292. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  293. if (en)
  294. gp_output |= epio_mask;
  295. else
  296. gp_output &= ~epio_mask;
  297. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  298. /* Set the value for this EPIO */
  299. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  300. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  301. }
  302. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  303. {
  304. if (pin_cfg == PIN_CFG_NA)
  305. return;
  306. if (pin_cfg >= PIN_CFG_EPIO0) {
  307. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  308. } else {
  309. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  310. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  311. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  312. }
  313. }
  314. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  315. {
  316. if (pin_cfg == PIN_CFG_NA)
  317. return -EINVAL;
  318. if (pin_cfg >= PIN_CFG_EPIO0) {
  319. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  320. } else {
  321. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  322. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  323. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  324. }
  325. return 0;
  326. }
  327. /******************************************************************/
  328. /* ETS section */
  329. /******************************************************************/
  330. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  331. {
  332. /* ETS disabled configuration*/
  333. struct bnx2x *bp = params->bp;
  334. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  335. /* mapping between entry priority to client number (0,1,2 -debug and
  336. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  337. * 3bits client num.
  338. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  339. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  340. */
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  342. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  343. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  344. * COS0 entry, 4 - COS1 entry.
  345. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  346. * bit4 bit3 bit2 bit1 bit0
  347. * MCP and debug are strict
  348. */
  349. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  350. /* defines which entries (clients) are subjected to WFQ arbitration */
  351. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  352. /* For strict priority entries defines the number of consecutive
  353. * slots for the highest priority.
  354. */
  355. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  356. /* mapping between the CREDIT_WEIGHT registers and actual client
  357. * numbers
  358. */
  359. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  362. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  363. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  364. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  365. /* ETS mode disable */
  366. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  367. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  368. * weight for COS0/COS1.
  369. */
  370. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  371. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  372. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  373. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  374. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  375. /* Defines the number of consecutive slots for the strict priority */
  376. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  377. }
  378. /******************************************************************************
  379. * Description:
  380. * Getting min_w_val will be set according to line speed .
  381. *.
  382. ******************************************************************************/
  383. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  384. {
  385. u32 min_w_val = 0;
  386. /* Calculate min_w_val.*/
  387. if (vars->link_up) {
  388. if (vars->line_speed == SPEED_20000)
  389. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  390. else
  391. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  392. } else
  393. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  394. /* If the link isn't up (static configuration for example ) The
  395. * link will be according to 20GBPS.
  396. */
  397. return min_w_val;
  398. }
  399. /******************************************************************************
  400. * Description:
  401. * Getting credit upper bound form min_w_val.
  402. *.
  403. ******************************************************************************/
  404. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  405. {
  406. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  407. MAX_PACKET_SIZE);
  408. return credit_upper_bound;
  409. }
  410. /******************************************************************************
  411. * Description:
  412. * Set credit upper bound for NIG.
  413. *.
  414. ******************************************************************************/
  415. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  416. const struct link_params *params,
  417. const u32 min_w_val)
  418. {
  419. struct bnx2x *bp = params->bp;
  420. const u8 port = params->port;
  421. const u32 credit_upper_bound =
  422. bnx2x_ets_get_credit_upper_bound(min_w_val);
  423. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  424. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  425. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  426. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  427. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  428. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  429. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  430. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  431. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  432. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  433. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  434. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  435. if (!port) {
  436. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  437. credit_upper_bound);
  438. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  439. credit_upper_bound);
  440. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  441. credit_upper_bound);
  442. }
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Will return the NIG ETS registers to init values.Except
  447. * credit_upper_bound.
  448. * That isn't used in this configuration (No WFQ is enabled) and will be
  449. * configured acording to spec
  450. *.
  451. ******************************************************************************/
  452. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  453. const struct link_vars *vars)
  454. {
  455. struct bnx2x *bp = params->bp;
  456. const u8 port = params->port;
  457. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  458. /* Mapping between entry priority to client number (0,1,2 -debug and
  459. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  460. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  461. * reset value or init tool
  462. */
  463. if (port) {
  464. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  465. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  466. } else {
  467. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  468. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  469. }
  470. /* For strict priority entries defines the number of consecutive
  471. * slots for the highest priority.
  472. */
  473. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  474. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  475. /* Mapping between the CREDIT_WEIGHT registers and actual client
  476. * numbers
  477. */
  478. if (port) {
  479. /*Port 1 has 6 COS*/
  480. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  481. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  482. } else {
  483. /*Port 0 has 9 COS*/
  484. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  485. 0x43210876);
  486. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  487. }
  488. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  489. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  490. * COS0 entry, 4 - COS1 entry.
  491. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  492. * bit4 bit3 bit2 bit1 bit0
  493. * MCP and debug are strict
  494. */
  495. if (port)
  496. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  497. else
  498. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  499. /* defines which entries (clients) are subjected to WFQ arbitration */
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  501. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  502. /* Please notice the register address are note continuous and a
  503. * for here is note appropriate.In 2 port mode port0 only COS0-5
  504. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  505. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  506. * are never used for WFQ
  507. */
  508. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  509. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  510. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  511. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  512. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  513. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  514. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  515. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  516. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  517. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  518. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  519. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  520. if (!port) {
  521. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  524. }
  525. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  526. }
  527. /******************************************************************************
  528. * Description:
  529. * Set credit upper bound for PBF.
  530. *.
  531. ******************************************************************************/
  532. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  533. const struct link_params *params,
  534. const u32 min_w_val)
  535. {
  536. struct bnx2x *bp = params->bp;
  537. const u32 credit_upper_bound =
  538. bnx2x_ets_get_credit_upper_bound(min_w_val);
  539. const u8 port = params->port;
  540. u32 base_upper_bound = 0;
  541. u8 max_cos = 0;
  542. u8 i = 0;
  543. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  544. * port mode port1 has COS0-2 that can be used for WFQ.
  545. */
  546. if (!port) {
  547. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  548. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  549. } else {
  550. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  551. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  552. }
  553. for (i = 0; i < max_cos; i++)
  554. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  555. }
  556. /******************************************************************************
  557. * Description:
  558. * Will return the PBF ETS registers to init values.Except
  559. * credit_upper_bound.
  560. * That isn't used in this configuration (No WFQ is enabled) and will be
  561. * configured acording to spec
  562. *.
  563. ******************************************************************************/
  564. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  565. {
  566. struct bnx2x *bp = params->bp;
  567. const u8 port = params->port;
  568. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  569. u8 i = 0;
  570. u32 base_weight = 0;
  571. u8 max_cos = 0;
  572. /* Mapping between entry priority to client number 0 - COS0
  573. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  574. * TODO_ETS - Should be done by reset value or init tool
  575. */
  576. if (port)
  577. /* 0x688 (|011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  579. else
  580. /* (10 1|100 |011|0 10|00 1|000) */
  581. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  582. /* TODO_ETS - Should be done by reset value or init tool */
  583. if (port)
  584. /* 0x688 (|011|0 10|00 1|000)*/
  585. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  586. else
  587. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  588. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  589. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  590. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  591. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  592. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  593. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  594. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  595. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  596. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  597. */
  598. if (!port) {
  599. base_weight = PBF_REG_COS0_WEIGHT_P0;
  600. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  601. } else {
  602. base_weight = PBF_REG_COS0_WEIGHT_P1;
  603. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  604. }
  605. for (i = 0; i < max_cos; i++)
  606. REG_WR(bp, base_weight + (0x4 * i), 0);
  607. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  608. }
  609. /******************************************************************************
  610. * Description:
  611. * E3B0 disable will return basicly the values to init values.
  612. *.
  613. ******************************************************************************/
  614. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  615. const struct link_vars *vars)
  616. {
  617. struct bnx2x *bp = params->bp;
  618. if (!CHIP_IS_E3B0(bp)) {
  619. DP(NETIF_MSG_LINK,
  620. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  621. return -EINVAL;
  622. }
  623. bnx2x_ets_e3b0_nig_disabled(params, vars);
  624. bnx2x_ets_e3b0_pbf_disabled(params);
  625. return 0;
  626. }
  627. /******************************************************************************
  628. * Description:
  629. * Disable will return basicly the values to init values.
  630. *
  631. ******************************************************************************/
  632. int bnx2x_ets_disabled(struct link_params *params,
  633. struct link_vars *vars)
  634. {
  635. struct bnx2x *bp = params->bp;
  636. int bnx2x_status = 0;
  637. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  638. bnx2x_ets_e2e3a0_disabled(params);
  639. else if (CHIP_IS_E3B0(bp))
  640. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  641. else {
  642. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  643. return -EINVAL;
  644. }
  645. return bnx2x_status;
  646. }
  647. /******************************************************************************
  648. * Description
  649. * Set the COS mappimg to SP and BW until this point all the COS are not
  650. * set as SP or BW.
  651. ******************************************************************************/
  652. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  653. const struct bnx2x_ets_params *ets_params,
  654. const u8 cos_sp_bitmap,
  655. const u8 cos_bw_bitmap)
  656. {
  657. struct bnx2x *bp = params->bp;
  658. const u8 port = params->port;
  659. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  660. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  661. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  662. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  663. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  664. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  665. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  666. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  667. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  668. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  669. nig_cli_subject2wfq_bitmap);
  670. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  671. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  672. pbf_cli_subject2wfq_bitmap);
  673. return 0;
  674. }
  675. /******************************************************************************
  676. * Description:
  677. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  678. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  679. ******************************************************************************/
  680. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  681. const u8 cos_entry,
  682. const u32 min_w_val_nig,
  683. const u32 min_w_val_pbf,
  684. const u16 total_bw,
  685. const u8 bw,
  686. const u8 port)
  687. {
  688. u32 nig_reg_adress_crd_weight = 0;
  689. u32 pbf_reg_adress_crd_weight = 0;
  690. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  691. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  692. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  693. switch (cos_entry) {
  694. case 0:
  695. nig_reg_adress_crd_weight =
  696. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  697. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  698. pbf_reg_adress_crd_weight = (port) ?
  699. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  700. break;
  701. case 1:
  702. nig_reg_adress_crd_weight = (port) ?
  703. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  704. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  705. pbf_reg_adress_crd_weight = (port) ?
  706. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  707. break;
  708. case 2:
  709. nig_reg_adress_crd_weight = (port) ?
  710. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  711. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  712. pbf_reg_adress_crd_weight = (port) ?
  713. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  714. break;
  715. case 3:
  716. if (port)
  717. return -EINVAL;
  718. nig_reg_adress_crd_weight =
  719. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  720. pbf_reg_adress_crd_weight =
  721. PBF_REG_COS3_WEIGHT_P0;
  722. break;
  723. case 4:
  724. if (port)
  725. return -EINVAL;
  726. nig_reg_adress_crd_weight =
  727. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  728. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  729. break;
  730. case 5:
  731. if (port)
  732. return -EINVAL;
  733. nig_reg_adress_crd_weight =
  734. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  735. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  736. break;
  737. }
  738. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  739. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  740. return 0;
  741. }
  742. /******************************************************************************
  743. * Description:
  744. * Calculate the total BW.A value of 0 isn't legal.
  745. *
  746. ******************************************************************************/
  747. static int bnx2x_ets_e3b0_get_total_bw(
  748. const struct link_params *params,
  749. struct bnx2x_ets_params *ets_params,
  750. u16 *total_bw)
  751. {
  752. struct bnx2x *bp = params->bp;
  753. u8 cos_idx = 0;
  754. u8 is_bw_cos_exist = 0;
  755. *total_bw = 0 ;
  756. /* Calculate total BW requested */
  757. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  758. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  759. is_bw_cos_exist = 1;
  760. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  762. "was set to 0\n");
  763. /* This is to prevent a state when ramrods
  764. * can't be sent
  765. */
  766. ets_params->cos[cos_idx].params.bw_params.bw
  767. = 1;
  768. }
  769. *total_bw +=
  770. ets_params->cos[cos_idx].params.bw_params.bw;
  771. }
  772. }
  773. /* Check total BW is valid */
  774. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  775. if (*total_bw == 0) {
  776. DP(NETIF_MSG_LINK,
  777. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  778. return -EINVAL;
  779. }
  780. DP(NETIF_MSG_LINK,
  781. "bnx2x_ets_E3B0_config total BW should be 100\n");
  782. /* We can handle a case whre the BW isn't 100 this can happen
  783. * if the TC are joined.
  784. */
  785. }
  786. return 0;
  787. }
  788. /******************************************************************************
  789. * Description:
  790. * Invalidate all the sp_pri_to_cos.
  791. *
  792. ******************************************************************************/
  793. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  794. {
  795. u8 pri = 0;
  796. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  797. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  798. }
  799. /******************************************************************************
  800. * Description:
  801. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  802. * according to sp_pri_to_cos.
  803. *
  804. ******************************************************************************/
  805. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  806. u8 *sp_pri_to_cos, const u8 pri,
  807. const u8 cos_entry)
  808. {
  809. struct bnx2x *bp = params->bp;
  810. const u8 port = params->port;
  811. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  812. DCBX_E3B0_MAX_NUM_COS_PORT0;
  813. if (pri >= max_num_of_cos) {
  814. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  815. "parameter Illegal strict priority\n");
  816. return -EINVAL;
  817. }
  818. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  819. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  820. "parameter There can't be two COS's with "
  821. "the same strict pri\n");
  822. return -EINVAL;
  823. }
  824. sp_pri_to_cos[pri] = cos_entry;
  825. return 0;
  826. }
  827. /******************************************************************************
  828. * Description:
  829. * Returns the correct value according to COS and priority in
  830. * the sp_pri_cli register.
  831. *
  832. ******************************************************************************/
  833. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  834. const u8 pri_set,
  835. const u8 pri_offset,
  836. const u8 entry_size)
  837. {
  838. u64 pri_cli_nig = 0;
  839. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  840. (pri_set + pri_offset));
  841. return pri_cli_nig;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for NIG.
  847. *
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  850. {
  851. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  852. const u8 nig_cos_offset = 3;
  853. const u8 nig_pri_offset = 3;
  854. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  855. nig_pri_offset, 4);
  856. }
  857. /******************************************************************************
  858. * Description:
  859. * Returns the correct value according to COS and priority in the
  860. * sp_pri_cli register for PBF.
  861. *
  862. ******************************************************************************/
  863. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  864. {
  865. const u8 pbf_cos_offset = 0;
  866. const u8 pbf_pri_offset = 0;
  867. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  868. pbf_pri_offset, 3);
  869. }
  870. /******************************************************************************
  871. * Description:
  872. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  873. * according to sp_pri_to_cos.(which COS has higher priority)
  874. *
  875. ******************************************************************************/
  876. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  877. u8 *sp_pri_to_cos)
  878. {
  879. struct bnx2x *bp = params->bp;
  880. u8 i = 0;
  881. const u8 port = params->port;
  882. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  883. u64 pri_cli_nig = 0x210;
  884. u32 pri_cli_pbf = 0x0;
  885. u8 pri_set = 0;
  886. u8 pri_bitmask = 0;
  887. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  888. DCBX_E3B0_MAX_NUM_COS_PORT0;
  889. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  890. /* Set all the strict priority first */
  891. for (i = 0; i < max_num_of_cos; i++) {
  892. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  893. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  894. DP(NETIF_MSG_LINK,
  895. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  896. "invalid cos entry\n");
  897. return -EINVAL;
  898. }
  899. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  900. sp_pri_to_cos[i], pri_set);
  901. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  902. sp_pri_to_cos[i], pri_set);
  903. pri_bitmask = 1 << sp_pri_to_cos[i];
  904. /* COS is used remove it from bitmap.*/
  905. if (!(pri_bitmask & cos_bit_to_set)) {
  906. DP(NETIF_MSG_LINK,
  907. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  908. "invalid There can't be two COS's with"
  909. " the same strict pri\n");
  910. return -EINVAL;
  911. }
  912. cos_bit_to_set &= ~pri_bitmask;
  913. pri_set++;
  914. }
  915. }
  916. /* Set all the Non strict priority i= COS*/
  917. for (i = 0; i < max_num_of_cos; i++) {
  918. pri_bitmask = 1 << i;
  919. /* Check if COS was already used for SP */
  920. if (pri_bitmask & cos_bit_to_set) {
  921. /* COS wasn't used for SP */
  922. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  923. i, pri_set);
  924. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  925. i, pri_set);
  926. /* COS is used remove it from bitmap.*/
  927. cos_bit_to_set &= ~pri_bitmask;
  928. pri_set++;
  929. }
  930. }
  931. if (pri_set != max_num_of_cos) {
  932. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  933. "entries were set\n");
  934. return -EINVAL;
  935. }
  936. if (port) {
  937. /* Only 6 usable clients*/
  938. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  939. (u32)pri_cli_nig);
  940. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  941. } else {
  942. /* Only 9 usable clients*/
  943. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  944. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  945. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  946. pri_cli_nig_lsb);
  947. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  948. pri_cli_nig_msb);
  949. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  950. }
  951. return 0;
  952. }
  953. /******************************************************************************
  954. * Description:
  955. * Configure the COS to ETS according to BW and SP settings.
  956. ******************************************************************************/
  957. int bnx2x_ets_e3b0_config(const struct link_params *params,
  958. const struct link_vars *vars,
  959. struct bnx2x_ets_params *ets_params)
  960. {
  961. struct bnx2x *bp = params->bp;
  962. int bnx2x_status = 0;
  963. const u8 port = params->port;
  964. u16 total_bw = 0;
  965. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  966. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  967. u8 cos_bw_bitmap = 0;
  968. u8 cos_sp_bitmap = 0;
  969. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  970. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  971. DCBX_E3B0_MAX_NUM_COS_PORT0;
  972. u8 cos_entry = 0;
  973. if (!CHIP_IS_E3B0(bp)) {
  974. DP(NETIF_MSG_LINK,
  975. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  976. return -EINVAL;
  977. }
  978. if ((ets_params->num_of_cos > max_num_of_cos)) {
  979. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  980. "isn't supported\n");
  981. return -EINVAL;
  982. }
  983. /* Prepare sp strict priority parameters*/
  984. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  985. /* Prepare BW parameters*/
  986. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  987. &total_bw);
  988. if (bnx2x_status) {
  989. DP(NETIF_MSG_LINK,
  990. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  991. return -EINVAL;
  992. }
  993. /* Upper bound is set according to current link speed (min_w_val
  994. * should be the same for upper bound and COS credit val).
  995. */
  996. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  997. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  998. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  999. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1000. cos_bw_bitmap |= (1 << cos_entry);
  1001. /* The function also sets the BW in HW(not the mappin
  1002. * yet)
  1003. */
  1004. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1005. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1006. total_bw,
  1007. ets_params->cos[cos_entry].params.bw_params.bw,
  1008. port);
  1009. } else if (bnx2x_cos_state_strict ==
  1010. ets_params->cos[cos_entry].state){
  1011. cos_sp_bitmap |= (1 << cos_entry);
  1012. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1013. params,
  1014. sp_pri_to_cos,
  1015. ets_params->cos[cos_entry].params.sp_params.pri,
  1016. cos_entry);
  1017. } else {
  1018. DP(NETIF_MSG_LINK,
  1019. "bnx2x_ets_e3b0_config cos state not valid\n");
  1020. return -EINVAL;
  1021. }
  1022. if (bnx2x_status) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1025. return bnx2x_status;
  1026. }
  1027. }
  1028. /* Set SP register (which COS has higher priority) */
  1029. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1030. sp_pri_to_cos);
  1031. if (bnx2x_status) {
  1032. DP(NETIF_MSG_LINK,
  1033. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1034. return bnx2x_status;
  1035. }
  1036. /* Set client mapping of BW and strict */
  1037. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1038. cos_sp_bitmap,
  1039. cos_bw_bitmap);
  1040. if (bnx2x_status) {
  1041. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1042. return bnx2x_status;
  1043. }
  1044. return 0;
  1045. }
  1046. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1047. {
  1048. /* ETS disabled configuration */
  1049. struct bnx2x *bp = params->bp;
  1050. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1051. /* Defines which entries (clients) are subjected to WFQ arbitration
  1052. * COS0 0x8
  1053. * COS1 0x10
  1054. */
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1056. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1057. * client numbers (WEIGHT_0 does not actually have to represent
  1058. * client 0)
  1059. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1060. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1061. */
  1062. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1063. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1064. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1065. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1066. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1067. /* ETS mode enabled*/
  1068. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1069. /* Defines the number of consecutive slots for the strict priority */
  1070. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1071. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1072. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1073. * entry, 4 - COS1 entry.
  1074. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1075. * bit4 bit3 bit2 bit1 bit0
  1076. * MCP and debug are strict
  1077. */
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1079. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1080. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1081. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1082. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1083. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1084. }
  1085. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1086. const u32 cos1_bw)
  1087. {
  1088. /* ETS disabled configuration*/
  1089. struct bnx2x *bp = params->bp;
  1090. const u32 total_bw = cos0_bw + cos1_bw;
  1091. u32 cos0_credit_weight = 0;
  1092. u32 cos1_credit_weight = 0;
  1093. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1094. if ((!total_bw) ||
  1095. (!cos0_bw) ||
  1096. (!cos1_bw)) {
  1097. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1098. return;
  1099. }
  1100. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1101. total_bw;
  1102. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1103. total_bw;
  1104. bnx2x_ets_bw_limit_common(params);
  1105. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1107. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1108. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1109. }
  1110. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1111. {
  1112. /* ETS disabled configuration*/
  1113. struct bnx2x *bp = params->bp;
  1114. u32 val = 0;
  1115. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1116. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1117. * as strict. Bits 0,1,2 - debug and management entries,
  1118. * 3 - COS0 entry, 4 - COS1 entry.
  1119. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1120. * bit4 bit3 bit2 bit1 bit0
  1121. * MCP and debug are strict
  1122. */
  1123. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1124. /* For strict priority entries defines the number of consecutive slots
  1125. * for the highest priority.
  1126. */
  1127. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1128. /* ETS mode disable */
  1129. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1130. /* Defines the number of consecutive slots for the strict priority */
  1131. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1132. /* Defines the number of consecutive slots for the strict priority */
  1133. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1134. /* Mapping between entry priority to client number (0,1,2 -debug and
  1135. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1136. * 3bits client num.
  1137. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1138. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1139. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1140. */
  1141. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1142. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1143. return 0;
  1144. }
  1145. /******************************************************************/
  1146. /* EEE section */
  1147. /******************************************************************/
  1148. static u8 bnx2x_eee_has_cap(struct link_params *params)
  1149. {
  1150. struct bnx2x *bp = params->bp;
  1151. if (REG_RD(bp, params->shmem2_base) <=
  1152. offsetof(struct shmem2_region, eee_status[params->port]))
  1153. return 0;
  1154. return 1;
  1155. }
  1156. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  1157. {
  1158. switch (nvram_mode) {
  1159. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  1160. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  1161. break;
  1162. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  1163. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  1164. break;
  1165. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  1166. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  1167. break;
  1168. default:
  1169. *idle_timer = 0;
  1170. break;
  1171. }
  1172. return 0;
  1173. }
  1174. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  1175. {
  1176. switch (idle_timer) {
  1177. case EEE_MODE_NVRAM_BALANCED_TIME:
  1178. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  1179. break;
  1180. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  1181. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  1182. break;
  1183. case EEE_MODE_NVRAM_LATENCY_TIME:
  1184. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  1185. break;
  1186. default:
  1187. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  1188. break;
  1189. }
  1190. return 0;
  1191. }
  1192. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  1193. {
  1194. u32 eee_mode, eee_idle;
  1195. struct bnx2x *bp = params->bp;
  1196. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  1197. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  1198. /* time value in eee_mode --> used directly*/
  1199. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  1200. } else {
  1201. /* hsi value in eee_mode --> time */
  1202. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  1203. EEE_MODE_NVRAM_MASK,
  1204. &eee_idle))
  1205. return 0;
  1206. }
  1207. } else {
  1208. /* hsi values in nvram --> time*/
  1209. eee_mode = ((REG_RD(bp, params->shmem_base +
  1210. offsetof(struct shmem_region, dev_info.
  1211. port_feature_config[params->port].
  1212. eee_power_mode)) &
  1213. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  1214. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  1215. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  1216. return 0;
  1217. }
  1218. return eee_idle;
  1219. }
  1220. /******************************************************************/
  1221. /* PFC section */
  1222. /******************************************************************/
  1223. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1224. struct link_vars *vars,
  1225. u8 is_lb)
  1226. {
  1227. struct bnx2x *bp = params->bp;
  1228. u32 xmac_base;
  1229. u32 pause_val, pfc0_val, pfc1_val;
  1230. /* XMAC base adrr */
  1231. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1232. /* Initialize pause and pfc registers */
  1233. pause_val = 0x18000;
  1234. pfc0_val = 0xFFFF8000;
  1235. pfc1_val = 0x2;
  1236. /* No PFC support */
  1237. if (!(params->feature_config_flags &
  1238. FEATURE_CONFIG_PFC_ENABLED)) {
  1239. /* RX flow control - Process pause frame in receive direction
  1240. */
  1241. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1242. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1243. /* TX flow control - Send pause packet when buffer is full */
  1244. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1245. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1246. } else {/* PFC support */
  1247. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1248. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1249. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1250. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1251. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1252. /* Write pause and PFC registers */
  1253. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1254. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1255. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1256. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1257. }
  1258. /* Write pause and PFC registers */
  1259. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1260. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1261. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1262. /* Set MAC address for source TX Pause/PFC frames */
  1263. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1264. ((params->mac_addr[2] << 24) |
  1265. (params->mac_addr[3] << 16) |
  1266. (params->mac_addr[4] << 8) |
  1267. (params->mac_addr[5])));
  1268. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1269. ((params->mac_addr[0] << 8) |
  1270. (params->mac_addr[1])));
  1271. udelay(30);
  1272. }
  1273. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1274. u32 pfc_frames_sent[2],
  1275. u32 pfc_frames_received[2])
  1276. {
  1277. /* Read pfc statistic */
  1278. struct bnx2x *bp = params->bp;
  1279. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1280. u32 val_xon = 0;
  1281. u32 val_xoff = 0;
  1282. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1283. /* PFC received frames */
  1284. val_xoff = REG_RD(bp, emac_base +
  1285. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1286. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1287. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1288. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1289. pfc_frames_received[0] = val_xon + val_xoff;
  1290. /* PFC received sent */
  1291. val_xoff = REG_RD(bp, emac_base +
  1292. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1293. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1294. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1295. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1296. pfc_frames_sent[0] = val_xon + val_xoff;
  1297. }
  1298. /* Read pfc statistic*/
  1299. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1300. u32 pfc_frames_sent[2],
  1301. u32 pfc_frames_received[2])
  1302. {
  1303. /* Read pfc statistic */
  1304. struct bnx2x *bp = params->bp;
  1305. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1306. if (!vars->link_up)
  1307. return;
  1308. if (vars->mac_type == MAC_TYPE_EMAC) {
  1309. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1310. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1311. pfc_frames_received);
  1312. }
  1313. }
  1314. /******************************************************************/
  1315. /* MAC/PBF section */
  1316. /******************************************************************/
  1317. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1318. {
  1319. u32 mode, emac_base;
  1320. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1321. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1322. */
  1323. if (CHIP_IS_E2(bp))
  1324. emac_base = GRCBASE_EMAC0;
  1325. else
  1326. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1327. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1328. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1329. EMAC_MDIO_MODE_CLOCK_CNT);
  1330. if (USES_WARPCORE(bp))
  1331. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1332. else
  1333. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1334. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1335. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1336. udelay(40);
  1337. }
  1338. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1339. {
  1340. u32 port4mode_ovwr_val;
  1341. /* Check 4-port override enabled */
  1342. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1343. if (port4mode_ovwr_val & (1<<0)) {
  1344. /* Return 4-port mode override value */
  1345. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1346. }
  1347. /* Return 4-port mode from input pin */
  1348. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1349. }
  1350. static void bnx2x_emac_init(struct link_params *params,
  1351. struct link_vars *vars)
  1352. {
  1353. /* reset and unreset the emac core */
  1354. struct bnx2x *bp = params->bp;
  1355. u8 port = params->port;
  1356. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1357. u32 val;
  1358. u16 timeout;
  1359. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1360. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1361. udelay(5);
  1362. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1363. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1364. /* init emac - use read-modify-write */
  1365. /* self clear reset */
  1366. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1367. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1368. timeout = 200;
  1369. do {
  1370. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1371. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1372. if (!timeout) {
  1373. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1374. return;
  1375. }
  1376. timeout--;
  1377. } while (val & EMAC_MODE_RESET);
  1378. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1379. /* Set mac address */
  1380. val = ((params->mac_addr[0] << 8) |
  1381. params->mac_addr[1]);
  1382. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1383. val = ((params->mac_addr[2] << 24) |
  1384. (params->mac_addr[3] << 16) |
  1385. (params->mac_addr[4] << 8) |
  1386. params->mac_addr[5]);
  1387. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1388. }
  1389. static void bnx2x_set_xumac_nig(struct link_params *params,
  1390. u16 tx_pause_en,
  1391. u8 enable)
  1392. {
  1393. struct bnx2x *bp = params->bp;
  1394. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1395. enable);
  1396. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1397. enable);
  1398. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1399. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1400. }
  1401. static void bnx2x_umac_disable(struct link_params *params)
  1402. {
  1403. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1404. struct bnx2x *bp = params->bp;
  1405. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1406. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1407. return;
  1408. /* Disable RX and TX */
  1409. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1410. }
  1411. static void bnx2x_umac_enable(struct link_params *params,
  1412. struct link_vars *vars, u8 lb)
  1413. {
  1414. u32 val;
  1415. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1416. struct bnx2x *bp = params->bp;
  1417. /* Reset UMAC */
  1418. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1419. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1420. usleep_range(1000, 2000);
  1421. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1422. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1423. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1424. /* This register opens the gate for the UMAC despite its name */
  1425. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1426. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1427. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1428. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1429. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1430. switch (vars->line_speed) {
  1431. case SPEED_10:
  1432. val |= (0<<2);
  1433. break;
  1434. case SPEED_100:
  1435. val |= (1<<2);
  1436. break;
  1437. case SPEED_1000:
  1438. val |= (2<<2);
  1439. break;
  1440. case SPEED_2500:
  1441. val |= (3<<2);
  1442. break;
  1443. default:
  1444. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1445. vars->line_speed);
  1446. break;
  1447. }
  1448. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1449. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1450. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1451. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1452. if (vars->duplex == DUPLEX_HALF)
  1453. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1454. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1455. udelay(50);
  1456. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1457. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1458. ((params->mac_addr[2] << 24) |
  1459. (params->mac_addr[3] << 16) |
  1460. (params->mac_addr[4] << 8) |
  1461. (params->mac_addr[5])));
  1462. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1463. ((params->mac_addr[0] << 8) |
  1464. (params->mac_addr[1])));
  1465. /* Enable RX and TX */
  1466. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1467. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1468. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1469. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1470. udelay(50);
  1471. /* Remove SW Reset */
  1472. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1473. /* Check loopback mode */
  1474. if (lb)
  1475. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1476. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1477. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1478. * length used by the MAC receive logic to check frames.
  1479. */
  1480. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1481. bnx2x_set_xumac_nig(params,
  1482. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1483. vars->mac_type = MAC_TYPE_UMAC;
  1484. }
  1485. /* Define the XMAC mode */
  1486. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1487. {
  1488. struct bnx2x *bp = params->bp;
  1489. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1490. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1491. * already out of reset, it means the mode has already been set,
  1492. * and it must not* reset the XMAC again, since it controls both
  1493. * ports of the path
  1494. */
  1495. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1496. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1497. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1498. DP(NETIF_MSG_LINK,
  1499. "XMAC already out of reset in 4-port mode\n");
  1500. return;
  1501. }
  1502. /* Hard reset */
  1503. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1504. MISC_REGISTERS_RESET_REG_2_XMAC);
  1505. usleep_range(1000, 2000);
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC);
  1508. if (is_port4mode) {
  1509. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1510. /* Set the number of ports on the system side to up to 2 */
  1511. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1512. /* Set the number of ports on the Warp Core to 10G */
  1513. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1514. } else {
  1515. /* Set the number of ports on the system side to 1 */
  1516. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1517. if (max_speed == SPEED_10000) {
  1518. DP(NETIF_MSG_LINK,
  1519. "Init XMAC to 10G x 1 port per path\n");
  1520. /* Set the number of ports on the Warp Core to 10G */
  1521. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1522. } else {
  1523. DP(NETIF_MSG_LINK,
  1524. "Init XMAC to 20G x 2 ports per path\n");
  1525. /* Set the number of ports on the Warp Core to 20G */
  1526. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1527. }
  1528. }
  1529. /* Soft reset */
  1530. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1531. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1532. usleep_range(1000, 2000);
  1533. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1534. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1535. }
  1536. static void bnx2x_xmac_disable(struct link_params *params)
  1537. {
  1538. u8 port = params->port;
  1539. struct bnx2x *bp = params->bp;
  1540. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1541. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1542. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1543. /* Send an indication to change the state in the NIG back to XON
  1544. * Clearing this bit enables the next set of this bit to get
  1545. * rising edge
  1546. */
  1547. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1548. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1549. (pfc_ctrl & ~(1<<1)));
  1550. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1551. (pfc_ctrl | (1<<1)));
  1552. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1553. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1554. }
  1555. }
  1556. static int bnx2x_xmac_enable(struct link_params *params,
  1557. struct link_vars *vars, u8 lb)
  1558. {
  1559. u32 val, xmac_base;
  1560. struct bnx2x *bp = params->bp;
  1561. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1562. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1563. bnx2x_xmac_init(params, vars->line_speed);
  1564. /* This register determines on which events the MAC will assert
  1565. * error on the i/f to the NIG along w/ EOP.
  1566. */
  1567. /* This register tells the NIG whether to send traffic to UMAC
  1568. * or XMAC
  1569. */
  1570. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1571. /* Set Max packet size */
  1572. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1573. /* CRC append for Tx packets */
  1574. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1575. /* update PFC */
  1576. bnx2x_update_pfc_xmac(params, vars, 0);
  1577. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1578. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1579. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1580. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1581. } else {
  1582. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1583. }
  1584. /* Enable TX and RX */
  1585. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1586. /* Check loopback mode */
  1587. if (lb)
  1588. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1589. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1590. bnx2x_set_xumac_nig(params,
  1591. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1592. vars->mac_type = MAC_TYPE_XMAC;
  1593. return 0;
  1594. }
  1595. static int bnx2x_emac_enable(struct link_params *params,
  1596. struct link_vars *vars, u8 lb)
  1597. {
  1598. struct bnx2x *bp = params->bp;
  1599. u8 port = params->port;
  1600. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1601. u32 val;
  1602. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1603. /* Disable BMAC */
  1604. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1605. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1606. /* enable emac and not bmac */
  1607. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1608. /* ASIC */
  1609. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1610. u32 ser_lane = ((params->lane_config &
  1611. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1613. DP(NETIF_MSG_LINK, "XGXS\n");
  1614. /* select the master lanes (out of 0-3) */
  1615. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1616. /* select XGXS */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1618. } else { /* SerDes */
  1619. DP(NETIF_MSG_LINK, "SerDes\n");
  1620. /* select SerDes */
  1621. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1622. }
  1623. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1624. EMAC_RX_MODE_RESET);
  1625. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1626. EMAC_TX_MODE_RESET);
  1627. /* pause enable/disable */
  1628. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1629. EMAC_RX_MODE_FLOW_EN);
  1630. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1631. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1632. EMAC_TX_MODE_FLOW_EN));
  1633. if (!(params->feature_config_flags &
  1634. FEATURE_CONFIG_PFC_ENABLED)) {
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_RX_MODE,
  1638. EMAC_RX_MODE_FLOW_EN);
  1639. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1640. bnx2x_bits_en(bp, emac_base +
  1641. EMAC_REG_EMAC_TX_MODE,
  1642. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1643. EMAC_TX_MODE_FLOW_EN));
  1644. } else
  1645. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1646. EMAC_TX_MODE_FLOW_EN);
  1647. /* KEEP_VLAN_TAG, promiscuous */
  1648. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1649. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1650. /* Setting this bit causes MAC control frames (except for pause
  1651. * frames) to be passed on for processing. This setting has no
  1652. * affect on the operation of the pause frames. This bit effects
  1653. * all packets regardless of RX Parser packet sorting logic.
  1654. * Turn the PFC off to make sure we are in Xon state before
  1655. * enabling it.
  1656. */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1658. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1659. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1660. /* Enable PFC again */
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1662. EMAC_REG_RX_PFC_MODE_RX_EN |
  1663. EMAC_REG_RX_PFC_MODE_TX_EN |
  1664. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1665. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1666. ((0x0101 <<
  1667. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1668. (0x00ff <<
  1669. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1670. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1671. }
  1672. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1673. /* Set Loopback */
  1674. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1675. if (lb)
  1676. val |= 0x810;
  1677. else
  1678. val &= ~0x810;
  1679. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1680. /* Enable emac */
  1681. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1682. /* Enable emac for jumbo packets */
  1683. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1684. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1685. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1686. /* Strip CRC */
  1687. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1688. /* Disable the NIG in/out to the bmac */
  1689. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1690. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1691. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1692. /* Enable the NIG in/out to the emac */
  1693. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1694. val = 0;
  1695. if ((params->feature_config_flags &
  1696. FEATURE_CONFIG_PFC_ENABLED) ||
  1697. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1698. val = 1;
  1699. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1700. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1701. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1702. vars->mac_type = MAC_TYPE_EMAC;
  1703. return 0;
  1704. }
  1705. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1706. struct link_vars *vars)
  1707. {
  1708. u32 wb_data[2];
  1709. struct bnx2x *bp = params->bp;
  1710. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1711. NIG_REG_INGRESS_BMAC0_MEM;
  1712. u32 val = 0x14;
  1713. if ((!(params->feature_config_flags &
  1714. FEATURE_CONFIG_PFC_ENABLED)) &&
  1715. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1716. /* Enable BigMAC to react on received Pause packets */
  1717. val |= (1<<5);
  1718. wb_data[0] = val;
  1719. wb_data[1] = 0;
  1720. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1721. /* TX control */
  1722. val = 0xc0;
  1723. if (!(params->feature_config_flags &
  1724. FEATURE_CONFIG_PFC_ENABLED) &&
  1725. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1726. val |= 0x800000;
  1727. wb_data[0] = val;
  1728. wb_data[1] = 0;
  1729. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1730. }
  1731. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1732. struct link_vars *vars,
  1733. u8 is_lb)
  1734. {
  1735. /* Set rx control: Strip CRC and enable BigMAC to relay
  1736. * control packets to the system as well
  1737. */
  1738. u32 wb_data[2];
  1739. struct bnx2x *bp = params->bp;
  1740. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1741. NIG_REG_INGRESS_BMAC0_MEM;
  1742. u32 val = 0x14;
  1743. if ((!(params->feature_config_flags &
  1744. FEATURE_CONFIG_PFC_ENABLED)) &&
  1745. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1746. /* Enable BigMAC to react on received Pause packets */
  1747. val |= (1<<5);
  1748. wb_data[0] = val;
  1749. wb_data[1] = 0;
  1750. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1751. udelay(30);
  1752. /* Tx control */
  1753. val = 0xc0;
  1754. if (!(params->feature_config_flags &
  1755. FEATURE_CONFIG_PFC_ENABLED) &&
  1756. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1757. val |= 0x800000;
  1758. wb_data[0] = val;
  1759. wb_data[1] = 0;
  1760. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1761. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1762. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1763. /* Enable PFC RX & TX & STATS and set 8 COS */
  1764. wb_data[0] = 0x0;
  1765. wb_data[0] |= (1<<0); /* RX */
  1766. wb_data[0] |= (1<<1); /* TX */
  1767. wb_data[0] |= (1<<2); /* Force initial Xon */
  1768. wb_data[0] |= (1<<3); /* 8 cos */
  1769. wb_data[0] |= (1<<5); /* STATS */
  1770. wb_data[1] = 0;
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1772. wb_data, 2);
  1773. /* Clear the force Xon */
  1774. wb_data[0] &= ~(1<<2);
  1775. } else {
  1776. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1777. /* Disable PFC RX & TX & STATS and set 8 COS */
  1778. wb_data[0] = 0x8;
  1779. wb_data[1] = 0;
  1780. }
  1781. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1782. /* Set Time (based unit is 512 bit time) between automatic
  1783. * re-sending of PP packets amd enable automatic re-send of
  1784. * Per-Priroity Packet as long as pp_gen is asserted and
  1785. * pp_disable is low.
  1786. */
  1787. val = 0x8000;
  1788. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1789. val |= (1<<16); /* enable automatic re-send */
  1790. wb_data[0] = val;
  1791. wb_data[1] = 0;
  1792. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1793. wb_data, 2);
  1794. /* mac control */
  1795. val = 0x3; /* Enable RX and TX */
  1796. if (is_lb) {
  1797. val |= 0x4; /* Local loopback */
  1798. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1799. }
  1800. /* When PFC enabled, Pass pause frames towards the NIG. */
  1801. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1802. val |= ((1<<6)|(1<<5));
  1803. wb_data[0] = val;
  1804. wb_data[1] = 0;
  1805. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1806. }
  1807. /* PFC BRB internal port configuration params */
  1808. struct bnx2x_pfc_brb_threshold_val {
  1809. u32 pause_xoff;
  1810. u32 pause_xon;
  1811. u32 full_xoff;
  1812. u32 full_xon;
  1813. };
  1814. struct bnx2x_pfc_brb_e3b0_val {
  1815. u32 per_class_guaranty_mode;
  1816. u32 lb_guarantied_hyst;
  1817. u32 full_lb_xoff_th;
  1818. u32 full_lb_xon_threshold;
  1819. u32 lb_guarantied;
  1820. u32 mac_0_class_t_guarantied;
  1821. u32 mac_0_class_t_guarantied_hyst;
  1822. u32 mac_1_class_t_guarantied;
  1823. u32 mac_1_class_t_guarantied_hyst;
  1824. };
  1825. struct bnx2x_pfc_brb_th_val {
  1826. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1827. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1828. struct bnx2x_pfc_brb_threshold_val default_class0;
  1829. struct bnx2x_pfc_brb_threshold_val default_class1;
  1830. };
  1831. static int bnx2x_pfc_brb_get_config_params(
  1832. struct link_params *params,
  1833. struct bnx2x_pfc_brb_th_val *config_val)
  1834. {
  1835. struct bnx2x *bp = params->bp;
  1836. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1837. config_val->default_class1.pause_xoff = 0;
  1838. config_val->default_class1.pause_xon = 0;
  1839. config_val->default_class1.full_xoff = 0;
  1840. config_val->default_class1.full_xon = 0;
  1841. if (CHIP_IS_E2(bp)) {
  1842. /* Class0 defaults */
  1843. config_val->default_class0.pause_xoff =
  1844. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1845. config_val->default_class0.pause_xon =
  1846. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1847. config_val->default_class0.full_xoff =
  1848. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1849. config_val->default_class0.full_xon =
  1850. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1851. /* Pause able*/
  1852. config_val->pauseable_th.pause_xoff =
  1853. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1854. config_val->pauseable_th.pause_xon =
  1855. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1856. config_val->pauseable_th.full_xoff =
  1857. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1858. config_val->pauseable_th.full_xon =
  1859. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1860. /* Non pause able*/
  1861. config_val->non_pauseable_th.pause_xoff =
  1862. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1863. config_val->non_pauseable_th.pause_xon =
  1864. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1865. config_val->non_pauseable_th.full_xoff =
  1866. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1867. config_val->non_pauseable_th.full_xon =
  1868. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1869. } else if (CHIP_IS_E3A0(bp)) {
  1870. /* Class0 defaults */
  1871. config_val->default_class0.pause_xoff =
  1872. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1873. config_val->default_class0.pause_xon =
  1874. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1875. config_val->default_class0.full_xoff =
  1876. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1877. config_val->default_class0.full_xon =
  1878. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1879. /* Pause able */
  1880. config_val->pauseable_th.pause_xoff =
  1881. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1882. config_val->pauseable_th.pause_xon =
  1883. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1884. config_val->pauseable_th.full_xoff =
  1885. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1886. config_val->pauseable_th.full_xon =
  1887. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1888. /* Non pause able*/
  1889. config_val->non_pauseable_th.pause_xoff =
  1890. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1891. config_val->non_pauseable_th.pause_xon =
  1892. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1893. config_val->non_pauseable_th.full_xoff =
  1894. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1895. config_val->non_pauseable_th.full_xon =
  1896. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1897. } else if (CHIP_IS_E3B0(bp)) {
  1898. /* Class0 defaults */
  1899. config_val->default_class0.pause_xoff =
  1900. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1901. config_val->default_class0.pause_xon =
  1902. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1903. config_val->default_class0.full_xoff =
  1904. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1905. config_val->default_class0.full_xon =
  1906. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1907. if (params->phy[INT_PHY].flags &
  1908. FLAGS_4_PORT_MODE) {
  1909. config_val->pauseable_th.pause_xoff =
  1910. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1911. config_val->pauseable_th.pause_xon =
  1912. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1913. config_val->pauseable_th.full_xoff =
  1914. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1915. config_val->pauseable_th.full_xon =
  1916. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1917. /* Non pause able*/
  1918. config_val->non_pauseable_th.pause_xoff =
  1919. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1920. config_val->non_pauseable_th.pause_xon =
  1921. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1922. config_val->non_pauseable_th.full_xoff =
  1923. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1924. config_val->non_pauseable_th.full_xon =
  1925. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1926. } else {
  1927. config_val->pauseable_th.pause_xoff =
  1928. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1929. config_val->pauseable_th.pause_xon =
  1930. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1931. config_val->pauseable_th.full_xoff =
  1932. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1933. config_val->pauseable_th.full_xon =
  1934. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1935. /* Non pause able*/
  1936. config_val->non_pauseable_th.pause_xoff =
  1937. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1938. config_val->non_pauseable_th.pause_xon =
  1939. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1940. config_val->non_pauseable_th.full_xoff =
  1941. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1942. config_val->non_pauseable_th.full_xon =
  1943. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1944. }
  1945. } else
  1946. return -EINVAL;
  1947. return 0;
  1948. }
  1949. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1950. struct link_params *params,
  1951. struct bnx2x_pfc_brb_e3b0_val
  1952. *e3b0_val,
  1953. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1954. const u8 pfc_enabled)
  1955. {
  1956. if (pfc_enabled && pfc_params) {
  1957. e3b0_val->per_class_guaranty_mode = 1;
  1958. e3b0_val->lb_guarantied_hyst = 80;
  1959. if (params->phy[INT_PHY].flags &
  1960. FLAGS_4_PORT_MODE) {
  1961. e3b0_val->full_lb_xoff_th =
  1962. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1963. e3b0_val->full_lb_xon_threshold =
  1964. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1965. e3b0_val->lb_guarantied =
  1966. PFC_E3B0_4P_LB_GUART;
  1967. e3b0_val->mac_0_class_t_guarantied =
  1968. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1969. e3b0_val->mac_0_class_t_guarantied_hyst =
  1970. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1971. e3b0_val->mac_1_class_t_guarantied =
  1972. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1973. e3b0_val->mac_1_class_t_guarantied_hyst =
  1974. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1975. } else {
  1976. e3b0_val->full_lb_xoff_th =
  1977. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1978. e3b0_val->full_lb_xon_threshold =
  1979. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1980. e3b0_val->mac_0_class_t_guarantied_hyst =
  1981. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1982. e3b0_val->mac_1_class_t_guarantied =
  1983. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1984. e3b0_val->mac_1_class_t_guarantied_hyst =
  1985. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1986. if (pfc_params->cos0_pauseable !=
  1987. pfc_params->cos1_pauseable) {
  1988. /* Nonpauseable= Lossy + pauseable = Lossless*/
  1989. e3b0_val->lb_guarantied =
  1990. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1991. e3b0_val->mac_0_class_t_guarantied =
  1992. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1993. } else if (pfc_params->cos0_pauseable) {
  1994. /* Lossless +Lossless*/
  1995. e3b0_val->lb_guarantied =
  1996. PFC_E3B0_2P_PAUSE_LB_GUART;
  1997. e3b0_val->mac_0_class_t_guarantied =
  1998. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1999. } else {
  2000. /* Lossy +Lossy*/
  2001. e3b0_val->lb_guarantied =
  2002. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  2003. e3b0_val->mac_0_class_t_guarantied =
  2004. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  2005. }
  2006. }
  2007. } else {
  2008. e3b0_val->per_class_guaranty_mode = 0;
  2009. e3b0_val->lb_guarantied_hyst = 0;
  2010. e3b0_val->full_lb_xoff_th =
  2011. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  2012. e3b0_val->full_lb_xon_threshold =
  2013. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  2014. e3b0_val->lb_guarantied =
  2015. DEFAULT_E3B0_LB_GUART;
  2016. e3b0_val->mac_0_class_t_guarantied =
  2017. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  2018. e3b0_val->mac_0_class_t_guarantied_hyst =
  2019. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  2020. e3b0_val->mac_1_class_t_guarantied =
  2021. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  2022. e3b0_val->mac_1_class_t_guarantied_hyst =
  2023. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  2024. }
  2025. }
  2026. static int bnx2x_update_pfc_brb(struct link_params *params,
  2027. struct link_vars *vars,
  2028. struct bnx2x_nig_brb_pfc_port_params
  2029. *pfc_params)
  2030. {
  2031. struct bnx2x *bp = params->bp;
  2032. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2033. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2034. &config_val.pauseable_th;
  2035. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2036. const int set_pfc = params->feature_config_flags &
  2037. FEATURE_CONFIG_PFC_ENABLED;
  2038. const u8 pfc_enabled = (set_pfc && pfc_params);
  2039. int bnx2x_status = 0;
  2040. u8 port = params->port;
  2041. /* default - pause configuration */
  2042. reg_th_config = &config_val.pauseable_th;
  2043. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2044. if (bnx2x_status)
  2045. return bnx2x_status;
  2046. if (pfc_enabled) {
  2047. /* First COS */
  2048. if (pfc_params->cos0_pauseable)
  2049. reg_th_config = &config_val.pauseable_th;
  2050. else
  2051. reg_th_config = &config_val.non_pauseable_th;
  2052. } else
  2053. reg_th_config = &config_val.default_class0;
  2054. /* The number of free blocks below which the pause signal to class 0
  2055. * of MAC #n is asserted. n=0,1
  2056. */
  2057. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2058. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2059. reg_th_config->pause_xoff);
  2060. /* The number of free blocks above which the pause signal to class 0
  2061. * of MAC #n is de-asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2065. /* The number of free blocks below which the full signal to class 0
  2066. * of MAC #n is asserted. n=0,1
  2067. */
  2068. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2069. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2070. /* The number of free blocks above which the full signal to class 0
  2071. * of MAC #n is de-asserted. n=0,1
  2072. */
  2073. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2074. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2075. if (pfc_enabled) {
  2076. /* Second COS */
  2077. if (pfc_params->cos1_pauseable)
  2078. reg_th_config = &config_val.pauseable_th;
  2079. else
  2080. reg_th_config = &config_val.non_pauseable_th;
  2081. } else
  2082. reg_th_config = &config_val.default_class1;
  2083. /* The number of free blocks below which the pause signal to
  2084. * class 1 of MAC #n is asserted. n=0,1
  2085. */
  2086. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2087. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2088. reg_th_config->pause_xoff);
  2089. /* The number of free blocks above which the pause signal to
  2090. * class 1 of MAC #n is de-asserted. n=0,1
  2091. */
  2092. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2093. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2094. reg_th_config->pause_xon);
  2095. /* The number of free blocks below which the full signal to
  2096. * class 1 of MAC #n is asserted. n=0,1
  2097. */
  2098. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2099. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2100. reg_th_config->full_xoff);
  2101. /* The number of free blocks above which the full signal to
  2102. * class 1 of MAC #n is de-asserted. n=0,1
  2103. */
  2104. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2105. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2106. reg_th_config->full_xon);
  2107. if (CHIP_IS_E3B0(bp)) {
  2108. bnx2x_pfc_brb_get_e3b0_config_params(
  2109. params,
  2110. &e3b0_val,
  2111. pfc_params,
  2112. pfc_enabled);
  2113. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2114. e3b0_val.per_class_guaranty_mode);
  2115. /* The hysteresis on the guarantied buffer space for the Lb
  2116. * port before signaling XON.
  2117. */
  2118. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2119. e3b0_val.lb_guarantied_hyst);
  2120. /* The number of free blocks below which the full signal to the
  2121. * LB port is asserted.
  2122. */
  2123. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2124. e3b0_val.full_lb_xoff_th);
  2125. /* The number of free blocks above which the full signal to the
  2126. * LB port is de-asserted.
  2127. */
  2128. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2129. e3b0_val.full_lb_xon_threshold);
  2130. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2131. */
  2132. /* The number of blocks guarantied for the LB port. */
  2133. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2134. e3b0_val.lb_guarantied);
  2135. /* The number of blocks guarantied for the MAC #n port. */
  2136. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2137. 2 * e3b0_val.mac_0_class_t_guarantied);
  2138. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2139. 2 * e3b0_val.mac_1_class_t_guarantied);
  2140. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2141. */
  2142. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2143. e3b0_val.mac_0_class_t_guarantied);
  2144. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2145. e3b0_val.mac_0_class_t_guarantied);
  2146. /* The hysteresis on the guarantied buffer space for class in
  2147. * MAC0. t=0,1
  2148. */
  2149. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2150. e3b0_val.mac_0_class_t_guarantied_hyst);
  2151. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2152. e3b0_val.mac_0_class_t_guarantied_hyst);
  2153. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2154. */
  2155. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2156. e3b0_val.mac_1_class_t_guarantied);
  2157. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2158. e3b0_val.mac_1_class_t_guarantied);
  2159. /* The hysteresis on the guarantied buffer space for class #t
  2160. * in MAC1. t=0,1
  2161. */
  2162. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2163. e3b0_val.mac_1_class_t_guarantied_hyst);
  2164. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2165. e3b0_val.mac_1_class_t_guarantied_hyst);
  2166. }
  2167. return bnx2x_status;
  2168. }
  2169. /******************************************************************************
  2170. * Description:
  2171. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2172. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2173. ******************************************************************************/
  2174. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2175. u8 cos_entry,
  2176. u32 priority_mask, u8 port)
  2177. {
  2178. u32 nig_reg_rx_priority_mask_add = 0;
  2179. switch (cos_entry) {
  2180. case 0:
  2181. nig_reg_rx_priority_mask_add = (port) ?
  2182. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2183. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2184. break;
  2185. case 1:
  2186. nig_reg_rx_priority_mask_add = (port) ?
  2187. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2188. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2189. break;
  2190. case 2:
  2191. nig_reg_rx_priority_mask_add = (port) ?
  2192. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2193. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2194. break;
  2195. case 3:
  2196. if (port)
  2197. return -EINVAL;
  2198. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2199. break;
  2200. case 4:
  2201. if (port)
  2202. return -EINVAL;
  2203. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2204. break;
  2205. case 5:
  2206. if (port)
  2207. return -EINVAL;
  2208. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2209. break;
  2210. }
  2211. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2212. return 0;
  2213. }
  2214. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2215. {
  2216. struct bnx2x *bp = params->bp;
  2217. REG_WR(bp, params->shmem_base +
  2218. offsetof(struct shmem_region,
  2219. port_mb[params->port].link_status), link_status);
  2220. }
  2221. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2222. {
  2223. struct bnx2x *bp = params->bp;
  2224. if (bnx2x_eee_has_cap(params))
  2225. REG_WR(bp, params->shmem2_base +
  2226. offsetof(struct shmem2_region,
  2227. eee_status[params->port]), eee_status);
  2228. }
  2229. static void bnx2x_update_pfc_nig(struct link_params *params,
  2230. struct link_vars *vars,
  2231. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2232. {
  2233. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2234. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2235. u32 pkt_priority_to_cos = 0;
  2236. struct bnx2x *bp = params->bp;
  2237. u8 port = params->port;
  2238. int set_pfc = params->feature_config_flags &
  2239. FEATURE_CONFIG_PFC_ENABLED;
  2240. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2241. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2242. * MAC control frames (that are not pause packets)
  2243. * will be forwarded to the XCM.
  2244. */
  2245. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2246. NIG_REG_LLH0_XCM_MASK);
  2247. /* NIG params will override non PFC params, since it's possible to
  2248. * do transition from PFC to SAFC
  2249. */
  2250. if (set_pfc) {
  2251. pause_enable = 0;
  2252. llfc_out_en = 0;
  2253. llfc_enable = 0;
  2254. if (CHIP_IS_E3(bp))
  2255. ppp_enable = 0;
  2256. else
  2257. ppp_enable = 1;
  2258. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2259. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2260. xcm_out_en = 0;
  2261. hwpfc_enable = 1;
  2262. } else {
  2263. if (nig_params) {
  2264. llfc_out_en = nig_params->llfc_out_en;
  2265. llfc_enable = nig_params->llfc_enable;
  2266. pause_enable = nig_params->pause_enable;
  2267. } else /* Default non PFC mode - PAUSE */
  2268. pause_enable = 1;
  2269. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2270. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2271. xcm_out_en = 1;
  2272. }
  2273. if (CHIP_IS_E3(bp))
  2274. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2275. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2276. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2277. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2278. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2279. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2280. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2281. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2282. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2283. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2284. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2285. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2286. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2287. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2288. /* Output enable for RX_XCM # IF */
  2289. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2290. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2291. /* HW PFC TX enable */
  2292. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2293. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2294. if (nig_params) {
  2295. u8 i = 0;
  2296. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2297. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2298. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2299. nig_params->rx_cos_priority_mask[i], port);
  2300. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2301. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2302. nig_params->llfc_high_priority_classes);
  2303. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2304. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2305. nig_params->llfc_low_priority_classes);
  2306. }
  2307. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2308. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2309. pkt_priority_to_cos);
  2310. }
  2311. int bnx2x_update_pfc(struct link_params *params,
  2312. struct link_vars *vars,
  2313. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2314. {
  2315. /* The PFC and pause are orthogonal to one another, meaning when
  2316. * PFC is enabled, the pause are disabled, and when PFC is
  2317. * disabled, pause are set according to the pause result.
  2318. */
  2319. u32 val;
  2320. struct bnx2x *bp = params->bp;
  2321. int bnx2x_status = 0;
  2322. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2323. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2324. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2325. else
  2326. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2327. bnx2x_update_mng(params, vars->link_status);
  2328. /* Update NIG params */
  2329. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2330. /* Update BRB params */
  2331. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2332. if (bnx2x_status)
  2333. return bnx2x_status;
  2334. if (!vars->link_up)
  2335. return bnx2x_status;
  2336. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2337. if (CHIP_IS_E3(bp))
  2338. bnx2x_update_pfc_xmac(params, vars, 0);
  2339. else {
  2340. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2341. if ((val &
  2342. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2343. == 0) {
  2344. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2345. bnx2x_emac_enable(params, vars, 0);
  2346. return bnx2x_status;
  2347. }
  2348. if (CHIP_IS_E2(bp))
  2349. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2350. else
  2351. bnx2x_update_pfc_bmac1(params, vars);
  2352. val = 0;
  2353. if ((params->feature_config_flags &
  2354. FEATURE_CONFIG_PFC_ENABLED) ||
  2355. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2356. val = 1;
  2357. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2358. }
  2359. return bnx2x_status;
  2360. }
  2361. static int bnx2x_bmac1_enable(struct link_params *params,
  2362. struct link_vars *vars,
  2363. u8 is_lb)
  2364. {
  2365. struct bnx2x *bp = params->bp;
  2366. u8 port = params->port;
  2367. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2368. NIG_REG_INGRESS_BMAC0_MEM;
  2369. u32 wb_data[2];
  2370. u32 val;
  2371. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2372. /* XGXS control */
  2373. wb_data[0] = 0x3c;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2376. wb_data, 2);
  2377. /* TX MAC SA */
  2378. wb_data[0] = ((params->mac_addr[2] << 24) |
  2379. (params->mac_addr[3] << 16) |
  2380. (params->mac_addr[4] << 8) |
  2381. params->mac_addr[5]);
  2382. wb_data[1] = ((params->mac_addr[0] << 8) |
  2383. params->mac_addr[1]);
  2384. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2385. /* MAC control */
  2386. val = 0x3;
  2387. if (is_lb) {
  2388. val |= 0x4;
  2389. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2390. }
  2391. wb_data[0] = val;
  2392. wb_data[1] = 0;
  2393. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2394. /* Set rx mtu */
  2395. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2396. wb_data[1] = 0;
  2397. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2398. bnx2x_update_pfc_bmac1(params, vars);
  2399. /* Set tx mtu */
  2400. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2401. wb_data[1] = 0;
  2402. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2403. /* Set cnt max size */
  2404. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2405. wb_data[1] = 0;
  2406. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2407. /* Configure SAFC */
  2408. wb_data[0] = 0x1000200;
  2409. wb_data[1] = 0;
  2410. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2411. wb_data, 2);
  2412. return 0;
  2413. }
  2414. static int bnx2x_bmac2_enable(struct link_params *params,
  2415. struct link_vars *vars,
  2416. u8 is_lb)
  2417. {
  2418. struct bnx2x *bp = params->bp;
  2419. u8 port = params->port;
  2420. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2421. NIG_REG_INGRESS_BMAC0_MEM;
  2422. u32 wb_data[2];
  2423. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2424. wb_data[0] = 0;
  2425. wb_data[1] = 0;
  2426. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2427. udelay(30);
  2428. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2429. wb_data[0] = 0x3c;
  2430. wb_data[1] = 0;
  2431. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2432. wb_data, 2);
  2433. udelay(30);
  2434. /* TX MAC SA */
  2435. wb_data[0] = ((params->mac_addr[2] << 24) |
  2436. (params->mac_addr[3] << 16) |
  2437. (params->mac_addr[4] << 8) |
  2438. params->mac_addr[5]);
  2439. wb_data[1] = ((params->mac_addr[0] << 8) |
  2440. params->mac_addr[1]);
  2441. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2442. wb_data, 2);
  2443. udelay(30);
  2444. /* Configure SAFC */
  2445. wb_data[0] = 0x1000200;
  2446. wb_data[1] = 0;
  2447. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2448. wb_data, 2);
  2449. udelay(30);
  2450. /* Set RX MTU */
  2451. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2452. wb_data[1] = 0;
  2453. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2454. udelay(30);
  2455. /* Set TX MTU */
  2456. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2457. wb_data[1] = 0;
  2458. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2459. udelay(30);
  2460. /* Set cnt max size */
  2461. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2462. wb_data[1] = 0;
  2463. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2464. udelay(30);
  2465. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2466. return 0;
  2467. }
  2468. static int bnx2x_bmac_enable(struct link_params *params,
  2469. struct link_vars *vars,
  2470. u8 is_lb)
  2471. {
  2472. int rc = 0;
  2473. u8 port = params->port;
  2474. struct bnx2x *bp = params->bp;
  2475. u32 val;
  2476. /* Reset and unreset the BigMac */
  2477. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2478. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2479. usleep_range(1000, 2000);
  2480. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2481. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2482. /* Enable access for bmac registers */
  2483. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2484. /* Enable BMAC according to BMAC type*/
  2485. if (CHIP_IS_E2(bp))
  2486. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2487. else
  2488. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2489. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2490. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2491. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2492. val = 0;
  2493. if ((params->feature_config_flags &
  2494. FEATURE_CONFIG_PFC_ENABLED) ||
  2495. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2496. val = 1;
  2497. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2498. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2499. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2500. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2501. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2502. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2503. vars->mac_type = MAC_TYPE_BMAC;
  2504. return rc;
  2505. }
  2506. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2507. {
  2508. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2509. NIG_REG_INGRESS_BMAC0_MEM;
  2510. u32 wb_data[2];
  2511. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2512. /* Only if the bmac is out of reset */
  2513. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2514. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2515. nig_bmac_enable) {
  2516. if (CHIP_IS_E2(bp)) {
  2517. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2518. REG_RD_DMAE(bp, bmac_addr +
  2519. BIGMAC2_REGISTER_BMAC_CONTROL,
  2520. wb_data, 2);
  2521. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2522. REG_WR_DMAE(bp, bmac_addr +
  2523. BIGMAC2_REGISTER_BMAC_CONTROL,
  2524. wb_data, 2);
  2525. } else {
  2526. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2527. REG_RD_DMAE(bp, bmac_addr +
  2528. BIGMAC_REGISTER_BMAC_CONTROL,
  2529. wb_data, 2);
  2530. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2531. REG_WR_DMAE(bp, bmac_addr +
  2532. BIGMAC_REGISTER_BMAC_CONTROL,
  2533. wb_data, 2);
  2534. }
  2535. usleep_range(1000, 2000);
  2536. }
  2537. }
  2538. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2539. u32 line_speed)
  2540. {
  2541. struct bnx2x *bp = params->bp;
  2542. u8 port = params->port;
  2543. u32 init_crd, crd;
  2544. u32 count = 1000;
  2545. /* Disable port */
  2546. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2547. /* Wait for init credit */
  2548. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2549. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2550. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2551. while ((init_crd != crd) && count) {
  2552. usleep_range(5000, 10000);
  2553. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2554. count--;
  2555. }
  2556. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2557. if (init_crd != crd) {
  2558. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2559. init_crd, crd);
  2560. return -EINVAL;
  2561. }
  2562. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2563. line_speed == SPEED_10 ||
  2564. line_speed == SPEED_100 ||
  2565. line_speed == SPEED_1000 ||
  2566. line_speed == SPEED_2500) {
  2567. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2568. /* Update threshold */
  2569. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2570. /* Update init credit */
  2571. init_crd = 778; /* (800-18-4) */
  2572. } else {
  2573. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2574. ETH_OVREHEAD)/16;
  2575. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2576. /* Update threshold */
  2577. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2578. /* Update init credit */
  2579. switch (line_speed) {
  2580. case SPEED_10000:
  2581. init_crd = thresh + 553 - 22;
  2582. break;
  2583. default:
  2584. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2585. line_speed);
  2586. return -EINVAL;
  2587. }
  2588. }
  2589. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2590. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2591. line_speed, init_crd);
  2592. /* Probe the credit changes */
  2593. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2594. usleep_range(5000, 10000);
  2595. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2596. /* Enable port */
  2597. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2598. return 0;
  2599. }
  2600. /**
  2601. * bnx2x_get_emac_base - retrive emac base address
  2602. *
  2603. * @bp: driver handle
  2604. * @mdc_mdio_access: access type
  2605. * @port: port id
  2606. *
  2607. * This function selects the MDC/MDIO access (through emac0 or
  2608. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2609. * phy has a default access mode, which could also be overridden
  2610. * by nvram configuration. This parameter, whether this is the
  2611. * default phy configuration, or the nvram overrun
  2612. * configuration, is passed here as mdc_mdio_access and selects
  2613. * the emac_base for the CL45 read/writes operations
  2614. */
  2615. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2616. u32 mdc_mdio_access, u8 port)
  2617. {
  2618. u32 emac_base = 0;
  2619. switch (mdc_mdio_access) {
  2620. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2621. break;
  2622. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2623. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2624. emac_base = GRCBASE_EMAC1;
  2625. else
  2626. emac_base = GRCBASE_EMAC0;
  2627. break;
  2628. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2629. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2630. emac_base = GRCBASE_EMAC0;
  2631. else
  2632. emac_base = GRCBASE_EMAC1;
  2633. break;
  2634. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2635. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2636. break;
  2637. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2638. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2639. break;
  2640. default:
  2641. break;
  2642. }
  2643. return emac_base;
  2644. }
  2645. /******************************************************************/
  2646. /* CL22 access functions */
  2647. /******************************************************************/
  2648. static int bnx2x_cl22_write(struct bnx2x *bp,
  2649. struct bnx2x_phy *phy,
  2650. u16 reg, u16 val)
  2651. {
  2652. u32 tmp, mode;
  2653. u8 i;
  2654. int rc = 0;
  2655. /* Switch to CL22 */
  2656. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2657. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2658. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2659. /* Address */
  2660. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2661. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2662. EMAC_MDIO_COMM_START_BUSY);
  2663. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2664. for (i = 0; i < 50; i++) {
  2665. udelay(10);
  2666. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2667. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2668. udelay(5);
  2669. break;
  2670. }
  2671. }
  2672. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2673. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2674. rc = -EFAULT;
  2675. }
  2676. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2677. return rc;
  2678. }
  2679. static int bnx2x_cl22_read(struct bnx2x *bp,
  2680. struct bnx2x_phy *phy,
  2681. u16 reg, u16 *ret_val)
  2682. {
  2683. u32 val, mode;
  2684. u16 i;
  2685. int rc = 0;
  2686. /* Switch to CL22 */
  2687. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2688. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2689. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2690. /* Address */
  2691. val = ((phy->addr << 21) | (reg << 16) |
  2692. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2693. EMAC_MDIO_COMM_START_BUSY);
  2694. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2695. for (i = 0; i < 50; i++) {
  2696. udelay(10);
  2697. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2698. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2699. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2700. udelay(5);
  2701. break;
  2702. }
  2703. }
  2704. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2705. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2706. *ret_val = 0;
  2707. rc = -EFAULT;
  2708. }
  2709. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2710. return rc;
  2711. }
  2712. /******************************************************************/
  2713. /* CL45 access functions */
  2714. /******************************************************************/
  2715. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2716. u8 devad, u16 reg, u16 *ret_val)
  2717. {
  2718. u32 val;
  2719. u16 i;
  2720. int rc = 0;
  2721. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2722. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2723. EMAC_MDIO_STATUS_10MB);
  2724. /* Address */
  2725. val = ((phy->addr << 21) | (devad << 16) | reg |
  2726. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2727. EMAC_MDIO_COMM_START_BUSY);
  2728. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2729. for (i = 0; i < 50; i++) {
  2730. udelay(10);
  2731. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2732. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2733. udelay(5);
  2734. break;
  2735. }
  2736. }
  2737. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2738. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2739. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2740. *ret_val = 0;
  2741. rc = -EFAULT;
  2742. } else {
  2743. /* Data */
  2744. val = ((phy->addr << 21) | (devad << 16) |
  2745. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2746. EMAC_MDIO_COMM_START_BUSY);
  2747. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2748. for (i = 0; i < 50; i++) {
  2749. udelay(10);
  2750. val = REG_RD(bp, phy->mdio_ctrl +
  2751. EMAC_REG_EMAC_MDIO_COMM);
  2752. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2753. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2754. break;
  2755. }
  2756. }
  2757. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2758. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2759. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2760. *ret_val = 0;
  2761. rc = -EFAULT;
  2762. }
  2763. }
  2764. /* Work around for E3 A0 */
  2765. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2766. phy->flags ^= FLAGS_DUMMY_READ;
  2767. if (phy->flags & FLAGS_DUMMY_READ) {
  2768. u16 temp_val;
  2769. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2770. }
  2771. }
  2772. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2773. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2774. EMAC_MDIO_STATUS_10MB);
  2775. return rc;
  2776. }
  2777. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2778. u8 devad, u16 reg, u16 val)
  2779. {
  2780. u32 tmp;
  2781. u8 i;
  2782. int rc = 0;
  2783. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2784. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2785. EMAC_MDIO_STATUS_10MB);
  2786. /* Address */
  2787. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2788. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2789. EMAC_MDIO_COMM_START_BUSY);
  2790. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2791. for (i = 0; i < 50; i++) {
  2792. udelay(10);
  2793. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2794. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2795. udelay(5);
  2796. break;
  2797. }
  2798. }
  2799. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2800. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2801. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2802. rc = -EFAULT;
  2803. } else {
  2804. /* Data */
  2805. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2806. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2807. EMAC_MDIO_COMM_START_BUSY);
  2808. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2809. for (i = 0; i < 50; i++) {
  2810. udelay(10);
  2811. tmp = REG_RD(bp, phy->mdio_ctrl +
  2812. EMAC_REG_EMAC_MDIO_COMM);
  2813. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2814. udelay(5);
  2815. break;
  2816. }
  2817. }
  2818. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2819. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2820. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2821. rc = -EFAULT;
  2822. }
  2823. }
  2824. /* Work around for E3 A0 */
  2825. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2826. phy->flags ^= FLAGS_DUMMY_READ;
  2827. if (phy->flags & FLAGS_DUMMY_READ) {
  2828. u16 temp_val;
  2829. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2830. }
  2831. }
  2832. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2833. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2834. EMAC_MDIO_STATUS_10MB);
  2835. return rc;
  2836. }
  2837. /******************************************************************/
  2838. /* BSC access functions from E3 */
  2839. /******************************************************************/
  2840. static void bnx2x_bsc_module_sel(struct link_params *params)
  2841. {
  2842. int idx;
  2843. u32 board_cfg, sfp_ctrl;
  2844. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2845. struct bnx2x *bp = params->bp;
  2846. u8 port = params->port;
  2847. /* Read I2C output PINs */
  2848. board_cfg = REG_RD(bp, params->shmem_base +
  2849. offsetof(struct shmem_region,
  2850. dev_info.shared_hw_config.board));
  2851. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2852. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2853. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2854. /* Read I2C output value */
  2855. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2856. offsetof(struct shmem_region,
  2857. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2858. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2859. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2860. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2861. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2862. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2863. }
  2864. static int bnx2x_bsc_read(struct link_params *params,
  2865. struct bnx2x_phy *phy,
  2866. u8 sl_devid,
  2867. u16 sl_addr,
  2868. u8 lc_addr,
  2869. u8 xfer_cnt,
  2870. u32 *data_array)
  2871. {
  2872. u32 val, i;
  2873. int rc = 0;
  2874. struct bnx2x *bp = params->bp;
  2875. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2876. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2877. return -EINVAL;
  2878. }
  2879. if (xfer_cnt > 16) {
  2880. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2881. xfer_cnt);
  2882. return -EINVAL;
  2883. }
  2884. bnx2x_bsc_module_sel(params);
  2885. xfer_cnt = 16 - lc_addr;
  2886. /* Enable the engine */
  2887. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2888. val |= MCPR_IMC_COMMAND_ENABLE;
  2889. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2890. /* Program slave device ID */
  2891. val = (sl_devid << 16) | sl_addr;
  2892. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2893. /* Start xfer with 0 byte to update the address pointer ???*/
  2894. val = (MCPR_IMC_COMMAND_ENABLE) |
  2895. (MCPR_IMC_COMMAND_WRITE_OP <<
  2896. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2897. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2898. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2899. /* Poll for completion */
  2900. i = 0;
  2901. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2902. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2903. udelay(10);
  2904. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2905. if (i++ > 1000) {
  2906. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2907. i);
  2908. rc = -EFAULT;
  2909. break;
  2910. }
  2911. }
  2912. if (rc == -EFAULT)
  2913. return rc;
  2914. /* Start xfer with read op */
  2915. val = (MCPR_IMC_COMMAND_ENABLE) |
  2916. (MCPR_IMC_COMMAND_READ_OP <<
  2917. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2918. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2919. (xfer_cnt);
  2920. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2921. /* Poll for completion */
  2922. i = 0;
  2923. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2924. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2925. udelay(10);
  2926. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2927. if (i++ > 1000) {
  2928. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2929. rc = -EFAULT;
  2930. break;
  2931. }
  2932. }
  2933. if (rc == -EFAULT)
  2934. return rc;
  2935. for (i = (lc_addr >> 2); i < 4; i++) {
  2936. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2937. #ifdef __BIG_ENDIAN
  2938. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2939. ((data_array[i] & 0x0000ff00) << 8) |
  2940. ((data_array[i] & 0x00ff0000) >> 8) |
  2941. ((data_array[i] & 0xff000000) >> 24);
  2942. #endif
  2943. }
  2944. return rc;
  2945. }
  2946. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2947. u8 devad, u16 reg, u16 or_val)
  2948. {
  2949. u16 val;
  2950. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2951. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2952. }
  2953. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2954. u8 devad, u16 reg, u16 *ret_val)
  2955. {
  2956. u8 phy_index;
  2957. /* Probe for the phy according to the given phy_addr, and execute
  2958. * the read request on it
  2959. */
  2960. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2961. if (params->phy[phy_index].addr == phy_addr) {
  2962. return bnx2x_cl45_read(params->bp,
  2963. &params->phy[phy_index], devad,
  2964. reg, ret_val);
  2965. }
  2966. }
  2967. return -EINVAL;
  2968. }
  2969. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2970. u8 devad, u16 reg, u16 val)
  2971. {
  2972. u8 phy_index;
  2973. /* Probe for the phy according to the given phy_addr, and execute
  2974. * the write request on it
  2975. */
  2976. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2977. if (params->phy[phy_index].addr == phy_addr) {
  2978. return bnx2x_cl45_write(params->bp,
  2979. &params->phy[phy_index], devad,
  2980. reg, val);
  2981. }
  2982. }
  2983. return -EINVAL;
  2984. }
  2985. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2986. struct link_params *params)
  2987. {
  2988. u8 lane = 0;
  2989. struct bnx2x *bp = params->bp;
  2990. u32 path_swap, path_swap_ovr;
  2991. u8 path, port;
  2992. path = BP_PATH(bp);
  2993. port = params->port;
  2994. if (bnx2x_is_4_port_mode(bp)) {
  2995. u32 port_swap, port_swap_ovr;
  2996. /* Figure out path swap value */
  2997. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2998. if (path_swap_ovr & 0x1)
  2999. path_swap = (path_swap_ovr & 0x2);
  3000. else
  3001. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3002. if (path_swap)
  3003. path = path ^ 1;
  3004. /* Figure out port swap value */
  3005. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3006. if (port_swap_ovr & 0x1)
  3007. port_swap = (port_swap_ovr & 0x2);
  3008. else
  3009. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3010. if (port_swap)
  3011. port = port ^ 1;
  3012. lane = (port<<1) + path;
  3013. } else { /* Two port mode - no port swap */
  3014. /* Figure out path swap value */
  3015. path_swap_ovr =
  3016. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3017. if (path_swap_ovr & 0x1) {
  3018. path_swap = (path_swap_ovr & 0x2);
  3019. } else {
  3020. path_swap =
  3021. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3022. }
  3023. if (path_swap)
  3024. path = path ^ 1;
  3025. lane = path << 1 ;
  3026. }
  3027. return lane;
  3028. }
  3029. static void bnx2x_set_aer_mmd(struct link_params *params,
  3030. struct bnx2x_phy *phy)
  3031. {
  3032. u32 ser_lane;
  3033. u16 offset, aer_val;
  3034. struct bnx2x *bp = params->bp;
  3035. ser_lane = ((params->lane_config &
  3036. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3037. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3038. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3039. (phy->addr + ser_lane) : 0;
  3040. if (USES_WARPCORE(bp)) {
  3041. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3042. /* In Dual-lane mode, two lanes are joined together,
  3043. * so in order to configure them, the AER broadcast method is
  3044. * used here.
  3045. * 0x200 is the broadcast address for lanes 0,1
  3046. * 0x201 is the broadcast address for lanes 2,3
  3047. */
  3048. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3049. aer_val = (aer_val >> 1) | 0x200;
  3050. } else if (CHIP_IS_E2(bp))
  3051. aer_val = 0x3800 + offset - 1;
  3052. else
  3053. aer_val = 0x3800 + offset;
  3054. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3055. MDIO_AER_BLOCK_AER_REG, aer_val);
  3056. }
  3057. /******************************************************************/
  3058. /* Internal phy section */
  3059. /******************************************************************/
  3060. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3061. {
  3062. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3063. /* Set Clause 22 */
  3064. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3065. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3066. udelay(500);
  3067. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3068. udelay(500);
  3069. /* Set Clause 45 */
  3070. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3071. }
  3072. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3073. {
  3074. u32 val;
  3075. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3076. val = SERDES_RESET_BITS << (port*16);
  3077. /* Reset and unreset the SerDes/XGXS */
  3078. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3079. udelay(500);
  3080. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3081. bnx2x_set_serdes_access(bp, port);
  3082. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3083. DEFAULT_PHY_DEV_ADDR);
  3084. }
  3085. static void bnx2x_xgxs_deassert(struct link_params *params)
  3086. {
  3087. struct bnx2x *bp = params->bp;
  3088. u8 port;
  3089. u32 val;
  3090. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3091. port = params->port;
  3092. val = XGXS_RESET_BITS << (port*16);
  3093. /* Reset and unreset the SerDes/XGXS */
  3094. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3095. udelay(500);
  3096. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3097. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3098. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3099. params->phy[INT_PHY].def_md_devad);
  3100. }
  3101. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3102. struct link_params *params, u16 *ieee_fc)
  3103. {
  3104. struct bnx2x *bp = params->bp;
  3105. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3106. /* Resolve pause mode and advertisement Please refer to Table
  3107. * 28B-3 of the 802.3ab-1999 spec
  3108. */
  3109. switch (phy->req_flow_ctrl) {
  3110. case BNX2X_FLOW_CTRL_AUTO:
  3111. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3112. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3113. else
  3114. *ieee_fc |=
  3115. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3116. break;
  3117. case BNX2X_FLOW_CTRL_TX:
  3118. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3119. break;
  3120. case BNX2X_FLOW_CTRL_RX:
  3121. case BNX2X_FLOW_CTRL_BOTH:
  3122. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3123. break;
  3124. case BNX2X_FLOW_CTRL_NONE:
  3125. default:
  3126. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3127. break;
  3128. }
  3129. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3130. }
  3131. static void set_phy_vars(struct link_params *params,
  3132. struct link_vars *vars)
  3133. {
  3134. struct bnx2x *bp = params->bp;
  3135. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3136. u8 phy_config_swapped = params->multi_phy_config &
  3137. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3138. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3139. phy_index++) {
  3140. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3141. actual_phy_idx = phy_index;
  3142. if (phy_config_swapped) {
  3143. if (phy_index == EXT_PHY1)
  3144. actual_phy_idx = EXT_PHY2;
  3145. else if (phy_index == EXT_PHY2)
  3146. actual_phy_idx = EXT_PHY1;
  3147. }
  3148. params->phy[actual_phy_idx].req_flow_ctrl =
  3149. params->req_flow_ctrl[link_cfg_idx];
  3150. params->phy[actual_phy_idx].req_line_speed =
  3151. params->req_line_speed[link_cfg_idx];
  3152. params->phy[actual_phy_idx].speed_cap_mask =
  3153. params->speed_cap_mask[link_cfg_idx];
  3154. params->phy[actual_phy_idx].req_duplex =
  3155. params->req_duplex[link_cfg_idx];
  3156. if (params->req_line_speed[link_cfg_idx] ==
  3157. SPEED_AUTO_NEG)
  3158. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3159. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3160. " speed_cap_mask %x\n",
  3161. params->phy[actual_phy_idx].req_flow_ctrl,
  3162. params->phy[actual_phy_idx].req_line_speed,
  3163. params->phy[actual_phy_idx].speed_cap_mask);
  3164. }
  3165. }
  3166. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3167. struct bnx2x_phy *phy,
  3168. struct link_vars *vars)
  3169. {
  3170. u16 val;
  3171. struct bnx2x *bp = params->bp;
  3172. /* Read modify write pause advertizing */
  3173. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3174. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3175. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3176. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3177. if ((vars->ieee_fc &
  3178. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3179. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3180. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3181. }
  3182. if ((vars->ieee_fc &
  3183. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3185. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3186. }
  3187. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3188. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3189. }
  3190. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3191. { /* LD LP */
  3192. switch (pause_result) { /* ASYM P ASYM P */
  3193. case 0xb: /* 1 0 1 1 */
  3194. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3195. break;
  3196. case 0xe: /* 1 1 1 0 */
  3197. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3198. break;
  3199. case 0x5: /* 0 1 0 1 */
  3200. case 0x7: /* 0 1 1 1 */
  3201. case 0xd: /* 1 1 0 1 */
  3202. case 0xf: /* 1 1 1 1 */
  3203. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3204. break;
  3205. default:
  3206. break;
  3207. }
  3208. if (pause_result & (1<<0))
  3209. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3210. if (pause_result & (1<<1))
  3211. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3212. }
  3213. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3214. struct link_params *params,
  3215. struct link_vars *vars)
  3216. {
  3217. u16 ld_pause; /* local */
  3218. u16 lp_pause; /* link partner */
  3219. u16 pause_result;
  3220. struct bnx2x *bp = params->bp;
  3221. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3222. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3223. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3224. } else if (CHIP_IS_E3(bp) &&
  3225. SINGLE_MEDIA_DIRECT(params)) {
  3226. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3227. u16 gp_status, gp_mask;
  3228. bnx2x_cl45_read(bp, phy,
  3229. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3230. &gp_status);
  3231. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3232. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3233. lane;
  3234. if ((gp_status & gp_mask) == gp_mask) {
  3235. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3236. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3237. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3238. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3239. } else {
  3240. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3241. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3242. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3243. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3244. ld_pause = ((ld_pause &
  3245. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3246. << 3);
  3247. lp_pause = ((lp_pause &
  3248. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3249. << 3);
  3250. }
  3251. } else {
  3252. bnx2x_cl45_read(bp, phy,
  3253. MDIO_AN_DEVAD,
  3254. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3255. bnx2x_cl45_read(bp, phy,
  3256. MDIO_AN_DEVAD,
  3257. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3258. }
  3259. pause_result = (ld_pause &
  3260. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3261. pause_result |= (lp_pause &
  3262. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3263. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3264. bnx2x_pause_resolve(vars, pause_result);
  3265. }
  3266. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3267. struct link_params *params,
  3268. struct link_vars *vars)
  3269. {
  3270. u8 ret = 0;
  3271. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3272. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3273. /* Update the advertised flow-controled of LD/LP in AN */
  3274. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3275. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3276. /* But set the flow-control result as the requested one */
  3277. vars->flow_ctrl = phy->req_flow_ctrl;
  3278. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3279. vars->flow_ctrl = params->req_fc_auto_adv;
  3280. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3281. ret = 1;
  3282. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3283. }
  3284. return ret;
  3285. }
  3286. /******************************************************************/
  3287. /* Warpcore section */
  3288. /******************************************************************/
  3289. /* The init_internal_warpcore should mirror the xgxs,
  3290. * i.e. reset the lane (if needed), set aer for the
  3291. * init configuration, and set/clear SGMII flag. Internal
  3292. * phy init is done purely in phy_init stage.
  3293. */
  3294. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3295. struct link_params *params,
  3296. struct link_vars *vars) {
  3297. u16 val16 = 0, lane, i;
  3298. struct bnx2x *bp = params->bp;
  3299. static struct bnx2x_reg_set reg_set[] = {
  3300. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3301. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3302. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
  3303. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3304. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3305. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3306. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3307. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3308. /* Disable Autoneg: re-enable it after adv is done. */
  3309. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3310. };
  3311. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3312. /* Set to default registers that may be overriden by 10G force */
  3313. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3314. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3315. reg_set[i].val);
  3316. /* Check adding advertisement for 1G KX */
  3317. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3318. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3319. (vars->line_speed == SPEED_1000)) {
  3320. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3321. val16 |= (1<<5);
  3322. /* Enable CL37 1G Parallel Detect */
  3323. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3324. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3325. }
  3326. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3327. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3328. (vars->line_speed == SPEED_10000)) {
  3329. /* Check adding advertisement for 10G KR */
  3330. val16 |= (1<<7);
  3331. /* Enable 10G Parallel Detect */
  3332. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3333. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3334. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3335. }
  3336. /* Set Transmit PMD settings */
  3337. lane = bnx2x_get_warpcore_lane(phy, params);
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3340. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3341. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3342. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3345. 0x03f0);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3348. 0x03f0);
  3349. /* Advertised speeds */
  3350. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3351. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3352. /* Advertised and set FEC (Forward Error Correction) */
  3353. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3354. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3355. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3356. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3357. /* Enable CL37 BAM */
  3358. if (REG_RD(bp, params->shmem_base +
  3359. offsetof(struct shmem_region, dev_info.
  3360. port_hw_config[params->port].default_cfg)) &
  3361. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3362. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3364. 1);
  3365. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3366. }
  3367. /* Advertise pause */
  3368. bnx2x_ext_phy_set_pause(params, phy, vars);
  3369. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3370. */
  3371. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3373. if (val16 < 0xd108) {
  3374. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3375. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3376. }
  3377. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3379. /* Over 1G - AN local device user page 1 */
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3382. /* Enable Autoneg */
  3383. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3384. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3385. }
  3386. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3387. struct link_params *params,
  3388. struct link_vars *vars)
  3389. {
  3390. struct bnx2x *bp = params->bp;
  3391. u16 i;
  3392. static struct bnx2x_reg_set reg_set[] = {
  3393. /* Disable Autoneg */
  3394. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3395. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3396. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3397. 0x3f00},
  3398. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3399. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3400. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3402. /* Disable CL36 PCS Tx */
  3403. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3404. /* Double Wide Single Data Rate @ pll rate */
  3405. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3406. /* Leave cl72 training enable, needed for KR */
  3407. {MDIO_PMA_DEVAD,
  3408. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3409. 0x2}
  3410. };
  3411. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3412. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3413. reg_set[i].val);
  3414. /* Leave CL72 enabled */
  3415. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3417. 0x3800);
  3418. /* Set speed via PMA/PMD register */
  3419. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3420. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3421. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3422. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3423. /* Enable encoded forced speed */
  3424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3426. /* Turn TX scramble payload only the 64/66 scrambler */
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3429. /* Turn RX scramble payload only the 64/66 scrambler */
  3430. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3432. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3433. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3437. }
  3438. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3439. struct link_params *params,
  3440. u8 is_xfi)
  3441. {
  3442. struct bnx2x *bp = params->bp;
  3443. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3444. /* Hold rxSeqStart */
  3445. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3447. /* Hold tx_fifo_reset */
  3448. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3450. /* Disable CL73 AN */
  3451. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3452. /* Disable 100FX Enable and Auto-Detect */
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_FX100_CTRL1, &val);
  3455. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3457. /* Disable 100FX Idle detect */
  3458. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3460. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3461. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3463. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3465. /* Turn off auto-detect & fiber mode */
  3466. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3468. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3470. (val & 0xFFEE));
  3471. /* Set filter_force_link, disable_false_link and parallel_detect */
  3472. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3476. ((val | 0x0006) & 0xFFFE));
  3477. /* Set XFI / SFI */
  3478. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3480. misc1_val &= ~(0x1f);
  3481. if (is_xfi) {
  3482. misc1_val |= 0x5;
  3483. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3484. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3485. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3486. tx_driver_val =
  3487. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3488. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3489. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3490. } else {
  3491. misc1_val |= 0x9;
  3492. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3493. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3494. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3495. tx_driver_val =
  3496. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3497. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3498. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3499. }
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3502. /* Set Transmit PMD settings */
  3503. lane = bnx2x_get_warpcore_lane(phy, params);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_TX_FIR_TAP,
  3506. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3509. tx_driver_val);
  3510. /* Enable fiber mode, enable and invert sig_det */
  3511. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3513. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3514. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3516. /* Enable LPI pass through */
  3517. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_EEE_COMBO_CONTROL0,
  3520. 0x7c);
  3521. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3523. /* 10G XFI Full Duplex */
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3526. /* Release tx_fifo_reset */
  3527. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3529. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3531. /* Release rxSeqStart */
  3532. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3536. }
  3537. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3538. struct bnx2x_phy *phy)
  3539. {
  3540. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3541. }
  3542. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3543. struct bnx2x_phy *phy,
  3544. u16 lane)
  3545. {
  3546. /* Rx0 anaRxControl1G */
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3549. /* Rx2 anaRxControl1G */
  3550. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3552. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3556. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3568. /* Serdes Digital Misc1 */
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3571. /* Serdes Digital4 Misc3 */
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3574. /* Set Transmit PMD settings */
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_TX_FIR_TAP,
  3577. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3578. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3579. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3580. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3583. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3584. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3585. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3586. }
  3587. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3588. struct link_params *params,
  3589. u8 fiber_mode,
  3590. u8 always_autoneg)
  3591. {
  3592. struct bnx2x *bp = params->bp;
  3593. u16 val16, digctrl_kx1, digctrl_kx2;
  3594. /* Clear XFI clock comp in non-10G single lane mode. */
  3595. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_RX66_CONTROL, &val16);
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3599. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3600. /* SGMII Autoneg */
  3601. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3605. val16 | 0x1000);
  3606. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3607. } else {
  3608. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3610. val16 &= 0xcebf;
  3611. switch (phy->req_line_speed) {
  3612. case SPEED_10:
  3613. break;
  3614. case SPEED_100:
  3615. val16 |= 0x2000;
  3616. break;
  3617. case SPEED_1000:
  3618. val16 |= 0x0040;
  3619. break;
  3620. default:
  3621. DP(NETIF_MSG_LINK,
  3622. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3623. return;
  3624. }
  3625. if (phy->req_duplex == DUPLEX_FULL)
  3626. val16 |= 0x0100;
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3629. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3630. phy->req_line_speed);
  3631. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3633. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3634. }
  3635. /* SGMII Slave mode and disable signal detect */
  3636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3638. if (fiber_mode)
  3639. digctrl_kx1 = 1;
  3640. else
  3641. digctrl_kx1 &= 0xff4a;
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3644. digctrl_kx1);
  3645. /* Turn off parallel detect */
  3646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3650. (digctrl_kx2 & ~(1<<2)));
  3651. /* Re-enable parallel detect */
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3654. (digctrl_kx2 | (1<<2)));
  3655. /* Enable autodet */
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3658. (digctrl_kx1 | 0x10));
  3659. }
  3660. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3661. struct bnx2x_phy *phy,
  3662. u8 reset)
  3663. {
  3664. u16 val;
  3665. /* Take lane out of reset after configuration is finished */
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3668. if (reset)
  3669. val |= 0xC000;
  3670. else
  3671. val &= 0x3FFF;
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3676. }
  3677. /* Clear SFI/XFI link settings registers */
  3678. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3679. struct link_params *params,
  3680. u16 lane)
  3681. {
  3682. struct bnx2x *bp = params->bp;
  3683. u16 i;
  3684. static struct bnx2x_reg_set wc_regs[] = {
  3685. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3686. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3690. 0x0195},
  3691. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3692. 0x0007},
  3693. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3694. 0x0002},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3699. };
  3700. /* Set XFI clock comp as default. */
  3701. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3702. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3703. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3704. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3705. wc_regs[i].val);
  3706. lane = bnx2x_get_warpcore_lane(phy, params);
  3707. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3709. }
  3710. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3711. u32 chip_id,
  3712. u32 shmem_base, u8 port,
  3713. u8 *gpio_num, u8 *gpio_port)
  3714. {
  3715. u32 cfg_pin;
  3716. *gpio_num = 0;
  3717. *gpio_port = 0;
  3718. if (CHIP_IS_E3(bp)) {
  3719. cfg_pin = (REG_RD(bp, shmem_base +
  3720. offsetof(struct shmem_region,
  3721. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3722. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3723. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3724. /* Should not happen. This function called upon interrupt
  3725. * triggered by GPIO ( since EPIO can only generate interrupts
  3726. * to MCP).
  3727. * So if this function was called and none of the GPIOs was set,
  3728. * it means the shit hit the fan.
  3729. */
  3730. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3731. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3732. DP(NETIF_MSG_LINK,
  3733. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3734. cfg_pin);
  3735. return -EINVAL;
  3736. }
  3737. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3738. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3739. } else {
  3740. *gpio_num = MISC_REGISTERS_GPIO_3;
  3741. *gpio_port = port;
  3742. }
  3743. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3744. return 0;
  3745. }
  3746. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3747. struct link_params *params)
  3748. {
  3749. struct bnx2x *bp = params->bp;
  3750. u8 gpio_num, gpio_port;
  3751. u32 gpio_val;
  3752. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3753. params->shmem_base, params->port,
  3754. &gpio_num, &gpio_port) != 0)
  3755. return 0;
  3756. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3757. /* Call the handling function in case module is detected */
  3758. if (gpio_val == 0)
  3759. return 1;
  3760. else
  3761. return 0;
  3762. }
  3763. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3764. struct link_params *params)
  3765. {
  3766. u16 gp2_status_reg0, lane;
  3767. struct bnx2x *bp = params->bp;
  3768. lane = bnx2x_get_warpcore_lane(phy, params);
  3769. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3770. &gp2_status_reg0);
  3771. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3772. }
  3773. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3774. struct link_params *params,
  3775. struct link_vars *vars)
  3776. {
  3777. struct bnx2x *bp = params->bp;
  3778. u32 serdes_net_if;
  3779. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3780. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3781. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3782. if (!vars->turn_to_run_wc_rt)
  3783. return;
  3784. /* Return if there is no link partner */
  3785. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3786. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3787. return;
  3788. }
  3789. if (vars->rx_tx_asic_rst) {
  3790. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3791. offsetof(struct shmem_region, dev_info.
  3792. port_hw_config[params->port].default_cfg)) &
  3793. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3794. switch (serdes_net_if) {
  3795. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3796. /* Do we get link yet? */
  3797. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3798. &gp_status1);
  3799. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3800. /*10G KR*/
  3801. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3802. DP(NETIF_MSG_LINK,
  3803. "gp_status1 0x%x\n", gp_status1);
  3804. if (lnkup_kr || lnkup) {
  3805. vars->rx_tx_asic_rst = 0;
  3806. DP(NETIF_MSG_LINK,
  3807. "link up, rx_tx_asic_rst 0x%x\n",
  3808. vars->rx_tx_asic_rst);
  3809. } else {
  3810. /* Reset the lane to see if link comes up.*/
  3811. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3812. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3813. /* Restart Autoneg */
  3814. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3815. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3816. vars->rx_tx_asic_rst--;
  3817. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3818. vars->rx_tx_asic_rst);
  3819. }
  3820. break;
  3821. default:
  3822. break;
  3823. }
  3824. } /*params->rx_tx_asic_rst*/
  3825. }
  3826. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3827. struct link_params *params)
  3828. {
  3829. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3830. struct bnx2x *bp = params->bp;
  3831. bnx2x_warpcore_clear_regs(phy, params, lane);
  3832. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3833. SPEED_10000) &&
  3834. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3835. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3836. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3837. } else {
  3838. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3839. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3840. }
  3841. }
  3842. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3843. struct link_params *params,
  3844. struct link_vars *vars)
  3845. {
  3846. struct bnx2x *bp = params->bp;
  3847. u32 serdes_net_if;
  3848. u8 fiber_mode;
  3849. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3850. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3851. offsetof(struct shmem_region, dev_info.
  3852. port_hw_config[params->port].default_cfg)) &
  3853. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3854. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3855. "serdes_net_if = 0x%x\n",
  3856. vars->line_speed, serdes_net_if);
  3857. bnx2x_set_aer_mmd(params, phy);
  3858. vars->phy_flags |= PHY_XGXS_FLAG;
  3859. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3860. (phy->req_line_speed &&
  3861. ((phy->req_line_speed == SPEED_100) ||
  3862. (phy->req_line_speed == SPEED_10)))) {
  3863. vars->phy_flags |= PHY_SGMII_FLAG;
  3864. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3865. bnx2x_warpcore_clear_regs(phy, params, lane);
  3866. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3867. } else {
  3868. switch (serdes_net_if) {
  3869. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3870. /* Enable KR Auto Neg */
  3871. if (params->loopback_mode != LOOPBACK_EXT)
  3872. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3873. else {
  3874. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3875. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3876. }
  3877. break;
  3878. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3879. bnx2x_warpcore_clear_regs(phy, params, lane);
  3880. if (vars->line_speed == SPEED_10000) {
  3881. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3882. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3883. } else {
  3884. if (SINGLE_MEDIA_DIRECT(params)) {
  3885. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3886. fiber_mode = 1;
  3887. } else {
  3888. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3889. fiber_mode = 0;
  3890. }
  3891. bnx2x_warpcore_set_sgmii_speed(phy,
  3892. params,
  3893. fiber_mode,
  3894. 0);
  3895. }
  3896. break;
  3897. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3898. /* Issue Module detection */
  3899. if (bnx2x_is_sfp_module_plugged(phy, params))
  3900. bnx2x_sfp_module_detection(phy, params);
  3901. bnx2x_warpcore_config_sfi(phy, params);
  3902. break;
  3903. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3904. if (vars->line_speed != SPEED_20000) {
  3905. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3906. return;
  3907. }
  3908. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3909. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3910. /* Issue Module detection */
  3911. bnx2x_sfp_module_detection(phy, params);
  3912. break;
  3913. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3914. if (vars->line_speed != SPEED_20000) {
  3915. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3916. return;
  3917. }
  3918. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3919. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3920. break;
  3921. default:
  3922. DP(NETIF_MSG_LINK,
  3923. "Unsupported Serdes Net Interface 0x%x\n",
  3924. serdes_net_if);
  3925. return;
  3926. }
  3927. }
  3928. /* Take lane out of reset after configuration is finished */
  3929. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3930. DP(NETIF_MSG_LINK, "Exit config init\n");
  3931. }
  3932. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3933. struct bnx2x_phy *phy,
  3934. u8 tx_en)
  3935. {
  3936. struct bnx2x *bp = params->bp;
  3937. u32 cfg_pin;
  3938. u8 port = params->port;
  3939. cfg_pin = REG_RD(bp, params->shmem_base +
  3940. offsetof(struct shmem_region,
  3941. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3942. PORT_HW_CFG_TX_LASER_MASK;
  3943. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3944. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3945. /* For 20G, the expected pin to be used is 3 pins after the current */
  3946. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3947. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3948. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3949. }
  3950. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3951. struct link_params *params)
  3952. {
  3953. struct bnx2x *bp = params->bp;
  3954. u16 val16;
  3955. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3956. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3957. bnx2x_set_aer_mmd(params, phy);
  3958. /* Global register */
  3959. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3960. /* Clear loopback settings (if any) */
  3961. /* 10G & 20G */
  3962. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3963. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3964. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3965. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3966. 0xBFFF);
  3967. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3969. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3970. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3971. /* Update those 1-copy registers */
  3972. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3973. MDIO_AER_BLOCK_AER_REG, 0);
  3974. /* Enable 1G MDIO (1-copy) */
  3975. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3977. &val16);
  3978. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3979. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3980. val16 & ~0x10);
  3981. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3982. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3983. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3985. val16 & 0xff00);
  3986. }
  3987. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3988. struct link_params *params)
  3989. {
  3990. struct bnx2x *bp = params->bp;
  3991. u16 val16;
  3992. u32 lane;
  3993. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3994. params->loopback_mode, phy->req_line_speed);
  3995. if (phy->req_line_speed < SPEED_10000) {
  3996. /* 10/100/1000 */
  3997. /* Update those 1-copy registers */
  3998. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3999. MDIO_AER_BLOCK_AER_REG, 0);
  4000. /* Enable 1G MDIO (1-copy) */
  4001. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4002. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4003. 0x10);
  4004. /* Set 1G loopback based on lane (1-copy) */
  4005. lane = bnx2x_get_warpcore_lane(phy, params);
  4006. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4007. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4008. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4009. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4010. val16 | (1<<lane));
  4011. /* Switch back to 4-copy registers */
  4012. bnx2x_set_aer_mmd(params, phy);
  4013. } else {
  4014. /* 10G & 20G */
  4015. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4016. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4017. 0x4000);
  4018. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4019. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4020. }
  4021. }
  4022. static void bnx2x_sync_link(struct link_params *params,
  4023. struct link_vars *vars)
  4024. {
  4025. struct bnx2x *bp = params->bp;
  4026. u8 link_10g_plus;
  4027. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4028. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4029. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4030. if (vars->link_up) {
  4031. DP(NETIF_MSG_LINK, "phy link up\n");
  4032. vars->phy_link_up = 1;
  4033. vars->duplex = DUPLEX_FULL;
  4034. switch (vars->link_status &
  4035. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4036. case LINK_10THD:
  4037. vars->duplex = DUPLEX_HALF;
  4038. /* Fall thru */
  4039. case LINK_10TFD:
  4040. vars->line_speed = SPEED_10;
  4041. break;
  4042. case LINK_100TXHD:
  4043. vars->duplex = DUPLEX_HALF;
  4044. /* Fall thru */
  4045. case LINK_100T4:
  4046. case LINK_100TXFD:
  4047. vars->line_speed = SPEED_100;
  4048. break;
  4049. case LINK_1000THD:
  4050. vars->duplex = DUPLEX_HALF;
  4051. /* Fall thru */
  4052. case LINK_1000TFD:
  4053. vars->line_speed = SPEED_1000;
  4054. break;
  4055. case LINK_2500THD:
  4056. vars->duplex = DUPLEX_HALF;
  4057. /* Fall thru */
  4058. case LINK_2500TFD:
  4059. vars->line_speed = SPEED_2500;
  4060. break;
  4061. case LINK_10GTFD:
  4062. vars->line_speed = SPEED_10000;
  4063. break;
  4064. case LINK_20GTFD:
  4065. vars->line_speed = SPEED_20000;
  4066. break;
  4067. default:
  4068. break;
  4069. }
  4070. vars->flow_ctrl = 0;
  4071. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4072. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4073. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4074. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4075. if (!vars->flow_ctrl)
  4076. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4077. if (vars->line_speed &&
  4078. ((vars->line_speed == SPEED_10) ||
  4079. (vars->line_speed == SPEED_100))) {
  4080. vars->phy_flags |= PHY_SGMII_FLAG;
  4081. } else {
  4082. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4083. }
  4084. if (vars->line_speed &&
  4085. USES_WARPCORE(bp) &&
  4086. (vars->line_speed == SPEED_1000))
  4087. vars->phy_flags |= PHY_SGMII_FLAG;
  4088. /* Anything 10 and over uses the bmac */
  4089. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4090. if (link_10g_plus) {
  4091. if (USES_WARPCORE(bp))
  4092. vars->mac_type = MAC_TYPE_XMAC;
  4093. else
  4094. vars->mac_type = MAC_TYPE_BMAC;
  4095. } else {
  4096. if (USES_WARPCORE(bp))
  4097. vars->mac_type = MAC_TYPE_UMAC;
  4098. else
  4099. vars->mac_type = MAC_TYPE_EMAC;
  4100. }
  4101. } else { /* Link down */
  4102. DP(NETIF_MSG_LINK, "phy link down\n");
  4103. vars->phy_link_up = 0;
  4104. vars->line_speed = 0;
  4105. vars->duplex = DUPLEX_FULL;
  4106. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4107. /* Indicate no mac active */
  4108. vars->mac_type = MAC_TYPE_NONE;
  4109. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4110. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4111. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4112. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4113. }
  4114. }
  4115. void bnx2x_link_status_update(struct link_params *params,
  4116. struct link_vars *vars)
  4117. {
  4118. struct bnx2x *bp = params->bp;
  4119. u8 port = params->port;
  4120. u32 sync_offset, media_types;
  4121. /* Update PHY configuration */
  4122. set_phy_vars(params, vars);
  4123. vars->link_status = REG_RD(bp, params->shmem_base +
  4124. offsetof(struct shmem_region,
  4125. port_mb[port].link_status));
  4126. vars->phy_flags = PHY_XGXS_FLAG;
  4127. bnx2x_sync_link(params, vars);
  4128. /* Sync media type */
  4129. sync_offset = params->shmem_base +
  4130. offsetof(struct shmem_region,
  4131. dev_info.port_hw_config[port].media_type);
  4132. media_types = REG_RD(bp, sync_offset);
  4133. params->phy[INT_PHY].media_type =
  4134. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4135. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4136. params->phy[EXT_PHY1].media_type =
  4137. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4138. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4139. params->phy[EXT_PHY2].media_type =
  4140. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4141. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4142. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4143. /* Sync AEU offset */
  4144. sync_offset = params->shmem_base +
  4145. offsetof(struct shmem_region,
  4146. dev_info.port_hw_config[port].aeu_int_mask);
  4147. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4148. /* Sync PFC status */
  4149. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4150. params->feature_config_flags |=
  4151. FEATURE_CONFIG_PFC_ENABLED;
  4152. else
  4153. params->feature_config_flags &=
  4154. ~FEATURE_CONFIG_PFC_ENABLED;
  4155. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4156. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4157. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4158. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4159. }
  4160. static void bnx2x_set_master_ln(struct link_params *params,
  4161. struct bnx2x_phy *phy)
  4162. {
  4163. struct bnx2x *bp = params->bp;
  4164. u16 new_master_ln, ser_lane;
  4165. ser_lane = ((params->lane_config &
  4166. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4167. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4168. /* Set the master_ln for AN */
  4169. CL22_RD_OVER_CL45(bp, phy,
  4170. MDIO_REG_BANK_XGXS_BLOCK2,
  4171. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4172. &new_master_ln);
  4173. CL22_WR_OVER_CL45(bp, phy,
  4174. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4175. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4176. (new_master_ln | ser_lane));
  4177. }
  4178. static int bnx2x_reset_unicore(struct link_params *params,
  4179. struct bnx2x_phy *phy,
  4180. u8 set_serdes)
  4181. {
  4182. struct bnx2x *bp = params->bp;
  4183. u16 mii_control;
  4184. u16 i;
  4185. CL22_RD_OVER_CL45(bp, phy,
  4186. MDIO_REG_BANK_COMBO_IEEE0,
  4187. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4188. /* Reset the unicore */
  4189. CL22_WR_OVER_CL45(bp, phy,
  4190. MDIO_REG_BANK_COMBO_IEEE0,
  4191. MDIO_COMBO_IEEE0_MII_CONTROL,
  4192. (mii_control |
  4193. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4194. if (set_serdes)
  4195. bnx2x_set_serdes_access(bp, params->port);
  4196. /* Wait for the reset to self clear */
  4197. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4198. udelay(5);
  4199. /* The reset erased the previous bank value */
  4200. CL22_RD_OVER_CL45(bp, phy,
  4201. MDIO_REG_BANK_COMBO_IEEE0,
  4202. MDIO_COMBO_IEEE0_MII_CONTROL,
  4203. &mii_control);
  4204. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4205. udelay(5);
  4206. return 0;
  4207. }
  4208. }
  4209. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4210. " Port %d\n",
  4211. params->port);
  4212. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4213. return -EINVAL;
  4214. }
  4215. static void bnx2x_set_swap_lanes(struct link_params *params,
  4216. struct bnx2x_phy *phy)
  4217. {
  4218. struct bnx2x *bp = params->bp;
  4219. /* Each two bits represents a lane number:
  4220. * No swap is 0123 => 0x1b no need to enable the swap
  4221. */
  4222. u16 rx_lane_swap, tx_lane_swap;
  4223. rx_lane_swap = ((params->lane_config &
  4224. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4225. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4226. tx_lane_swap = ((params->lane_config &
  4227. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4228. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4229. if (rx_lane_swap != 0x1b) {
  4230. CL22_WR_OVER_CL45(bp, phy,
  4231. MDIO_REG_BANK_XGXS_BLOCK2,
  4232. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4233. (rx_lane_swap |
  4234. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4235. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4236. } else {
  4237. CL22_WR_OVER_CL45(bp, phy,
  4238. MDIO_REG_BANK_XGXS_BLOCK2,
  4239. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4240. }
  4241. if (tx_lane_swap != 0x1b) {
  4242. CL22_WR_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_XGXS_BLOCK2,
  4244. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4245. (tx_lane_swap |
  4246. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4247. } else {
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_XGXS_BLOCK2,
  4250. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4251. }
  4252. }
  4253. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4254. struct link_params *params)
  4255. {
  4256. struct bnx2x *bp = params->bp;
  4257. u16 control2;
  4258. CL22_RD_OVER_CL45(bp, phy,
  4259. MDIO_REG_BANK_SERDES_DIGITAL,
  4260. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4261. &control2);
  4262. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4263. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4264. else
  4265. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4266. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4267. phy->speed_cap_mask, control2);
  4268. CL22_WR_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_SERDES_DIGITAL,
  4270. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4271. control2);
  4272. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4273. (phy->speed_cap_mask &
  4274. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4275. DP(NETIF_MSG_LINK, "XGXS\n");
  4276. CL22_WR_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4278. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4279. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4280. CL22_RD_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4282. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4283. &control2);
  4284. control2 |=
  4285. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4288. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4289. control2);
  4290. /* Disable parallel detection of HiG */
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_XGXS_BLOCK2,
  4293. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4294. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4295. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4296. }
  4297. }
  4298. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4299. struct link_params *params,
  4300. struct link_vars *vars,
  4301. u8 enable_cl73)
  4302. {
  4303. struct bnx2x *bp = params->bp;
  4304. u16 reg_val;
  4305. /* CL37 Autoneg */
  4306. CL22_RD_OVER_CL45(bp, phy,
  4307. MDIO_REG_BANK_COMBO_IEEE0,
  4308. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4309. /* CL37 Autoneg Enabled */
  4310. if (vars->line_speed == SPEED_AUTO_NEG)
  4311. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4312. else /* CL37 Autoneg Disabled */
  4313. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4314. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4315. CL22_WR_OVER_CL45(bp, phy,
  4316. MDIO_REG_BANK_COMBO_IEEE0,
  4317. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4318. /* Enable/Disable Autodetection */
  4319. CL22_RD_OVER_CL45(bp, phy,
  4320. MDIO_REG_BANK_SERDES_DIGITAL,
  4321. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4322. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4323. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4324. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4325. if (vars->line_speed == SPEED_AUTO_NEG)
  4326. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4327. else
  4328. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4329. CL22_WR_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_SERDES_DIGITAL,
  4331. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4332. /* Enable TetonII and BAM autoneg */
  4333. CL22_RD_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4335. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4336. &reg_val);
  4337. if (vars->line_speed == SPEED_AUTO_NEG) {
  4338. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4339. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4340. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4341. } else {
  4342. /* TetonII and BAM Autoneg Disabled */
  4343. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4344. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4345. }
  4346. CL22_WR_OVER_CL45(bp, phy,
  4347. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4348. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4349. reg_val);
  4350. if (enable_cl73) {
  4351. /* Enable Cl73 FSM status bits */
  4352. CL22_WR_OVER_CL45(bp, phy,
  4353. MDIO_REG_BANK_CL73_USERB0,
  4354. MDIO_CL73_USERB0_CL73_UCTRL,
  4355. 0xe);
  4356. /* Enable BAM Station Manager*/
  4357. CL22_WR_OVER_CL45(bp, phy,
  4358. MDIO_REG_BANK_CL73_USERB0,
  4359. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4360. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4361. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4362. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4363. /* Advertise CL73 link speeds */
  4364. CL22_RD_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_CL73_IEEEB1,
  4366. MDIO_CL73_IEEEB1_AN_ADV2,
  4367. &reg_val);
  4368. if (phy->speed_cap_mask &
  4369. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4370. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4371. if (phy->speed_cap_mask &
  4372. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4373. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4374. CL22_WR_OVER_CL45(bp, phy,
  4375. MDIO_REG_BANK_CL73_IEEEB1,
  4376. MDIO_CL73_IEEEB1_AN_ADV2,
  4377. reg_val);
  4378. /* CL73 Autoneg Enabled */
  4379. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4380. } else /* CL73 Autoneg Disabled */
  4381. reg_val = 0;
  4382. CL22_WR_OVER_CL45(bp, phy,
  4383. MDIO_REG_BANK_CL73_IEEEB0,
  4384. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4385. }
  4386. /* Program SerDes, forced speed */
  4387. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4388. struct link_params *params,
  4389. struct link_vars *vars)
  4390. {
  4391. struct bnx2x *bp = params->bp;
  4392. u16 reg_val;
  4393. /* Program duplex, disable autoneg and sgmii*/
  4394. CL22_RD_OVER_CL45(bp, phy,
  4395. MDIO_REG_BANK_COMBO_IEEE0,
  4396. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4397. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4398. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4399. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4400. if (phy->req_duplex == DUPLEX_FULL)
  4401. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4402. CL22_WR_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_COMBO_IEEE0,
  4404. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4405. /* Program speed
  4406. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4407. */
  4408. CL22_RD_OVER_CL45(bp, phy,
  4409. MDIO_REG_BANK_SERDES_DIGITAL,
  4410. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4411. /* Clearing the speed value before setting the right speed */
  4412. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4413. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4414. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4415. if (!((vars->line_speed == SPEED_1000) ||
  4416. (vars->line_speed == SPEED_100) ||
  4417. (vars->line_speed == SPEED_10))) {
  4418. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4419. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4420. if (vars->line_speed == SPEED_10000)
  4421. reg_val |=
  4422. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4423. }
  4424. CL22_WR_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_SERDES_DIGITAL,
  4426. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4427. }
  4428. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4429. struct link_params *params)
  4430. {
  4431. struct bnx2x *bp = params->bp;
  4432. u16 val = 0;
  4433. /* Set extended capabilities */
  4434. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4435. val |= MDIO_OVER_1G_UP1_2_5G;
  4436. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4437. val |= MDIO_OVER_1G_UP1_10G;
  4438. CL22_WR_OVER_CL45(bp, phy,
  4439. MDIO_REG_BANK_OVER_1G,
  4440. MDIO_OVER_1G_UP1, val);
  4441. CL22_WR_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_OVER_1G,
  4443. MDIO_OVER_1G_UP3, 0x400);
  4444. }
  4445. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4446. struct link_params *params,
  4447. u16 ieee_fc)
  4448. {
  4449. struct bnx2x *bp = params->bp;
  4450. u16 val;
  4451. /* For AN, we are always publishing full duplex */
  4452. CL22_WR_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_COMBO_IEEE0,
  4454. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4455. CL22_RD_OVER_CL45(bp, phy,
  4456. MDIO_REG_BANK_CL73_IEEEB1,
  4457. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4458. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4459. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4460. CL22_WR_OVER_CL45(bp, phy,
  4461. MDIO_REG_BANK_CL73_IEEEB1,
  4462. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4463. }
  4464. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4465. struct link_params *params,
  4466. u8 enable_cl73)
  4467. {
  4468. struct bnx2x *bp = params->bp;
  4469. u16 mii_control;
  4470. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4471. /* Enable and restart BAM/CL37 aneg */
  4472. if (enable_cl73) {
  4473. CL22_RD_OVER_CL45(bp, phy,
  4474. MDIO_REG_BANK_CL73_IEEEB0,
  4475. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4476. &mii_control);
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_CL73_IEEEB0,
  4479. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4480. (mii_control |
  4481. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4482. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4483. } else {
  4484. CL22_RD_OVER_CL45(bp, phy,
  4485. MDIO_REG_BANK_COMBO_IEEE0,
  4486. MDIO_COMBO_IEEE0_MII_CONTROL,
  4487. &mii_control);
  4488. DP(NETIF_MSG_LINK,
  4489. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4490. mii_control);
  4491. CL22_WR_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_MII_CONTROL,
  4494. (mii_control |
  4495. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4496. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4497. }
  4498. }
  4499. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4500. struct link_params *params,
  4501. struct link_vars *vars)
  4502. {
  4503. struct bnx2x *bp = params->bp;
  4504. u16 control1;
  4505. /* In SGMII mode, the unicore is always slave */
  4506. CL22_RD_OVER_CL45(bp, phy,
  4507. MDIO_REG_BANK_SERDES_DIGITAL,
  4508. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4509. &control1);
  4510. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4511. /* Set sgmii mode (and not fiber) */
  4512. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4513. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4514. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4515. CL22_WR_OVER_CL45(bp, phy,
  4516. MDIO_REG_BANK_SERDES_DIGITAL,
  4517. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4518. control1);
  4519. /* If forced speed */
  4520. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4521. /* Set speed, disable autoneg */
  4522. u16 mii_control;
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_COMBO_IEEE0,
  4525. MDIO_COMBO_IEEE0_MII_CONTROL,
  4526. &mii_control);
  4527. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4528. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4529. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4530. switch (vars->line_speed) {
  4531. case SPEED_100:
  4532. mii_control |=
  4533. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4534. break;
  4535. case SPEED_1000:
  4536. mii_control |=
  4537. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4538. break;
  4539. case SPEED_10:
  4540. /* There is nothing to set for 10M */
  4541. break;
  4542. default:
  4543. /* Invalid speed for SGMII */
  4544. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4545. vars->line_speed);
  4546. break;
  4547. }
  4548. /* Setting the full duplex */
  4549. if (phy->req_duplex == DUPLEX_FULL)
  4550. mii_control |=
  4551. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4552. CL22_WR_OVER_CL45(bp, phy,
  4553. MDIO_REG_BANK_COMBO_IEEE0,
  4554. MDIO_COMBO_IEEE0_MII_CONTROL,
  4555. mii_control);
  4556. } else { /* AN mode */
  4557. /* Enable and restart AN */
  4558. bnx2x_restart_autoneg(phy, params, 0);
  4559. }
  4560. }
  4561. /* Link management
  4562. */
  4563. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4564. struct link_params *params)
  4565. {
  4566. struct bnx2x *bp = params->bp;
  4567. u16 pd_10g, status2_1000x;
  4568. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4569. return 0;
  4570. CL22_RD_OVER_CL45(bp, phy,
  4571. MDIO_REG_BANK_SERDES_DIGITAL,
  4572. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4573. &status2_1000x);
  4574. CL22_RD_OVER_CL45(bp, phy,
  4575. MDIO_REG_BANK_SERDES_DIGITAL,
  4576. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4577. &status2_1000x);
  4578. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4579. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4580. params->port);
  4581. return 1;
  4582. }
  4583. CL22_RD_OVER_CL45(bp, phy,
  4584. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4585. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4586. &pd_10g);
  4587. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4588. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4589. params->port);
  4590. return 1;
  4591. }
  4592. return 0;
  4593. }
  4594. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4595. struct link_params *params,
  4596. struct link_vars *vars,
  4597. u32 gp_status)
  4598. {
  4599. u16 ld_pause; /* local driver */
  4600. u16 lp_pause; /* link partner */
  4601. u16 pause_result;
  4602. struct bnx2x *bp = params->bp;
  4603. if ((gp_status &
  4604. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4605. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4606. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4607. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4608. CL22_RD_OVER_CL45(bp, phy,
  4609. MDIO_REG_BANK_CL73_IEEEB1,
  4610. MDIO_CL73_IEEEB1_AN_ADV1,
  4611. &ld_pause);
  4612. CL22_RD_OVER_CL45(bp, phy,
  4613. MDIO_REG_BANK_CL73_IEEEB1,
  4614. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4615. &lp_pause);
  4616. pause_result = (ld_pause &
  4617. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4618. pause_result |= (lp_pause &
  4619. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4620. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4621. } else {
  4622. CL22_RD_OVER_CL45(bp, phy,
  4623. MDIO_REG_BANK_COMBO_IEEE0,
  4624. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4625. &ld_pause);
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_COMBO_IEEE0,
  4628. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4629. &lp_pause);
  4630. pause_result = (ld_pause &
  4631. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4632. pause_result |= (lp_pause &
  4633. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4634. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4635. }
  4636. bnx2x_pause_resolve(vars, pause_result);
  4637. }
  4638. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4639. struct link_params *params,
  4640. struct link_vars *vars,
  4641. u32 gp_status)
  4642. {
  4643. struct bnx2x *bp = params->bp;
  4644. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4645. /* Resolve from gp_status in case of AN complete and not sgmii */
  4646. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4647. /* Update the advertised flow-controled of LD/LP in AN */
  4648. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4649. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4650. /* But set the flow-control result as the requested one */
  4651. vars->flow_ctrl = phy->req_flow_ctrl;
  4652. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4653. vars->flow_ctrl = params->req_fc_auto_adv;
  4654. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4655. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4656. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4657. vars->flow_ctrl = params->req_fc_auto_adv;
  4658. return;
  4659. }
  4660. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4661. }
  4662. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4663. }
  4664. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4665. struct link_params *params)
  4666. {
  4667. struct bnx2x *bp = params->bp;
  4668. u16 rx_status, ustat_val, cl37_fsm_received;
  4669. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4670. /* Step 1: Make sure signal is detected */
  4671. CL22_RD_OVER_CL45(bp, phy,
  4672. MDIO_REG_BANK_RX0,
  4673. MDIO_RX0_RX_STATUS,
  4674. &rx_status);
  4675. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4676. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4677. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4678. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4679. CL22_WR_OVER_CL45(bp, phy,
  4680. MDIO_REG_BANK_CL73_IEEEB0,
  4681. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4682. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4683. return;
  4684. }
  4685. /* Step 2: Check CL73 state machine */
  4686. CL22_RD_OVER_CL45(bp, phy,
  4687. MDIO_REG_BANK_CL73_USERB0,
  4688. MDIO_CL73_USERB0_CL73_USTAT1,
  4689. &ustat_val);
  4690. if ((ustat_val &
  4691. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4692. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4693. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4694. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4695. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4696. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4697. return;
  4698. }
  4699. /* Step 3: Check CL37 Message Pages received to indicate LP
  4700. * supports only CL37
  4701. */
  4702. CL22_RD_OVER_CL45(bp, phy,
  4703. MDIO_REG_BANK_REMOTE_PHY,
  4704. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4705. &cl37_fsm_received);
  4706. if ((cl37_fsm_received &
  4707. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4708. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  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. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4712. "misc_rx_status(0x8330) = 0x%x\n",
  4713. cl37_fsm_received);
  4714. return;
  4715. }
  4716. /* The combined cl37/cl73 fsm state information indicating that
  4717. * we are connected to a device which does not support cl73, but
  4718. * does support cl37 BAM. In this case we disable cl73 and
  4719. * restart cl37 auto-neg
  4720. */
  4721. /* Disable CL73 */
  4722. CL22_WR_OVER_CL45(bp, phy,
  4723. MDIO_REG_BANK_CL73_IEEEB0,
  4724. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4725. 0);
  4726. /* Restart CL37 autoneg */
  4727. bnx2x_restart_autoneg(phy, params, 0);
  4728. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4729. }
  4730. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4731. struct link_params *params,
  4732. struct link_vars *vars,
  4733. u32 gp_status)
  4734. {
  4735. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4736. vars->link_status |=
  4737. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4738. if (bnx2x_direct_parallel_detect_used(phy, params))
  4739. vars->link_status |=
  4740. LINK_STATUS_PARALLEL_DETECTION_USED;
  4741. }
  4742. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4743. struct link_params *params,
  4744. struct link_vars *vars,
  4745. u16 is_link_up,
  4746. u16 speed_mask,
  4747. u16 is_duplex)
  4748. {
  4749. struct bnx2x *bp = params->bp;
  4750. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4751. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4752. if (is_link_up) {
  4753. DP(NETIF_MSG_LINK, "phy link up\n");
  4754. vars->phy_link_up = 1;
  4755. vars->link_status |= LINK_STATUS_LINK_UP;
  4756. switch (speed_mask) {
  4757. case GP_STATUS_10M:
  4758. vars->line_speed = SPEED_10;
  4759. if (vars->duplex == DUPLEX_FULL)
  4760. vars->link_status |= LINK_10TFD;
  4761. else
  4762. vars->link_status |= LINK_10THD;
  4763. break;
  4764. case GP_STATUS_100M:
  4765. vars->line_speed = SPEED_100;
  4766. if (vars->duplex == DUPLEX_FULL)
  4767. vars->link_status |= LINK_100TXFD;
  4768. else
  4769. vars->link_status |= LINK_100TXHD;
  4770. break;
  4771. case GP_STATUS_1G:
  4772. case GP_STATUS_1G_KX:
  4773. vars->line_speed = SPEED_1000;
  4774. if (vars->duplex == DUPLEX_FULL)
  4775. vars->link_status |= LINK_1000TFD;
  4776. else
  4777. vars->link_status |= LINK_1000THD;
  4778. break;
  4779. case GP_STATUS_2_5G:
  4780. vars->line_speed = SPEED_2500;
  4781. if (vars->duplex == DUPLEX_FULL)
  4782. vars->link_status |= LINK_2500TFD;
  4783. else
  4784. vars->link_status |= LINK_2500THD;
  4785. break;
  4786. case GP_STATUS_5G:
  4787. case GP_STATUS_6G:
  4788. DP(NETIF_MSG_LINK,
  4789. "link speed unsupported gp_status 0x%x\n",
  4790. speed_mask);
  4791. return -EINVAL;
  4792. case GP_STATUS_10G_KX4:
  4793. case GP_STATUS_10G_HIG:
  4794. case GP_STATUS_10G_CX4:
  4795. case GP_STATUS_10G_KR:
  4796. case GP_STATUS_10G_SFI:
  4797. case GP_STATUS_10G_XFI:
  4798. vars->line_speed = SPEED_10000;
  4799. vars->link_status |= LINK_10GTFD;
  4800. break;
  4801. case GP_STATUS_20G_DXGXS:
  4802. vars->line_speed = SPEED_20000;
  4803. vars->link_status |= LINK_20GTFD;
  4804. break;
  4805. default:
  4806. DP(NETIF_MSG_LINK,
  4807. "link speed unsupported gp_status 0x%x\n",
  4808. speed_mask);
  4809. return -EINVAL;
  4810. }
  4811. } else { /* link_down */
  4812. DP(NETIF_MSG_LINK, "phy link down\n");
  4813. vars->phy_link_up = 0;
  4814. vars->duplex = DUPLEX_FULL;
  4815. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4816. vars->mac_type = MAC_TYPE_NONE;
  4817. }
  4818. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4819. vars->phy_link_up, vars->line_speed);
  4820. return 0;
  4821. }
  4822. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4823. struct link_params *params,
  4824. struct link_vars *vars)
  4825. {
  4826. struct bnx2x *bp = params->bp;
  4827. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4828. int rc = 0;
  4829. /* Read gp_status */
  4830. CL22_RD_OVER_CL45(bp, phy,
  4831. MDIO_REG_BANK_GP_STATUS,
  4832. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4833. &gp_status);
  4834. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4835. duplex = DUPLEX_FULL;
  4836. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4837. link_up = 1;
  4838. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4839. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4840. gp_status, link_up, speed_mask);
  4841. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4842. duplex);
  4843. if (rc == -EINVAL)
  4844. return rc;
  4845. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4846. if (SINGLE_MEDIA_DIRECT(params)) {
  4847. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4848. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4849. bnx2x_xgxs_an_resolve(phy, params, vars,
  4850. gp_status);
  4851. }
  4852. } else { /* Link_down */
  4853. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4854. SINGLE_MEDIA_DIRECT(params)) {
  4855. /* Check signal is detected */
  4856. bnx2x_check_fallback_to_cl37(phy, params);
  4857. }
  4858. }
  4859. /* Read LP advertised speeds*/
  4860. if (SINGLE_MEDIA_DIRECT(params) &&
  4861. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4862. u16 val;
  4863. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4864. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4865. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4866. vars->link_status |=
  4867. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4868. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4869. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4870. vars->link_status |=
  4871. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4872. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4873. MDIO_OVER_1G_LP_UP1, &val);
  4874. if (val & MDIO_OVER_1G_UP1_2_5G)
  4875. vars->link_status |=
  4876. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4877. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4878. vars->link_status |=
  4879. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4880. }
  4881. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4882. vars->duplex, vars->flow_ctrl, vars->link_status);
  4883. return rc;
  4884. }
  4885. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4886. struct link_params *params,
  4887. struct link_vars *vars)
  4888. {
  4889. struct bnx2x *bp = params->bp;
  4890. u8 lane;
  4891. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4892. int rc = 0;
  4893. lane = bnx2x_get_warpcore_lane(phy, params);
  4894. /* Read gp_status */
  4895. if (phy->req_line_speed > SPEED_10000) {
  4896. u16 temp_link_up;
  4897. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4898. 1, &temp_link_up);
  4899. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4900. 1, &link_up);
  4901. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4902. temp_link_up, link_up);
  4903. link_up &= (1<<2);
  4904. if (link_up)
  4905. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4906. } else {
  4907. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4908. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4909. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4910. /* Check for either KR or generic link up. */
  4911. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4912. ((gp_status1 >> 12) & 0xf);
  4913. link_up = gp_status1 & (1 << lane);
  4914. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4915. u16 pd, gp_status4;
  4916. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4917. /* Check Autoneg complete */
  4918. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4919. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4920. &gp_status4);
  4921. if (gp_status4 & ((1<<12)<<lane))
  4922. vars->link_status |=
  4923. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4924. /* Check parallel detect used */
  4925. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4926. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4927. &pd);
  4928. if (pd & (1<<15))
  4929. vars->link_status |=
  4930. LINK_STATUS_PARALLEL_DETECTION_USED;
  4931. }
  4932. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4933. }
  4934. }
  4935. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4936. SINGLE_MEDIA_DIRECT(params)) {
  4937. u16 val;
  4938. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4939. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4940. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4941. vars->link_status |=
  4942. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4943. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4944. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4945. vars->link_status |=
  4946. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4947. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4948. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4949. if (val & MDIO_OVER_1G_UP1_2_5G)
  4950. vars->link_status |=
  4951. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4952. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4953. vars->link_status |=
  4954. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4955. }
  4956. if (lane < 2) {
  4957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4958. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4959. } else {
  4960. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4961. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4962. }
  4963. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4964. if ((lane & 1) == 0)
  4965. gp_speed <<= 8;
  4966. gp_speed &= 0x3f00;
  4967. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4968. duplex);
  4969. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4970. vars->duplex, vars->flow_ctrl, vars->link_status);
  4971. return rc;
  4972. }
  4973. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4974. {
  4975. struct bnx2x *bp = params->bp;
  4976. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4977. u16 lp_up2;
  4978. u16 tx_driver;
  4979. u16 bank;
  4980. /* Read precomp */
  4981. CL22_RD_OVER_CL45(bp, phy,
  4982. MDIO_REG_BANK_OVER_1G,
  4983. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4984. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4985. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4986. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4987. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4988. if (lp_up2 == 0)
  4989. return;
  4990. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4991. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4992. CL22_RD_OVER_CL45(bp, phy,
  4993. bank,
  4994. MDIO_TX0_TX_DRIVER, &tx_driver);
  4995. /* Replace tx_driver bits [15:12] */
  4996. if (lp_up2 !=
  4997. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4998. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4999. tx_driver |= lp_up2;
  5000. CL22_WR_OVER_CL45(bp, phy,
  5001. bank,
  5002. MDIO_TX0_TX_DRIVER, tx_driver);
  5003. }
  5004. }
  5005. }
  5006. static int bnx2x_emac_program(struct link_params *params,
  5007. struct link_vars *vars)
  5008. {
  5009. struct bnx2x *bp = params->bp;
  5010. u8 port = params->port;
  5011. u16 mode = 0;
  5012. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5013. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5014. EMAC_REG_EMAC_MODE,
  5015. (EMAC_MODE_25G_MODE |
  5016. EMAC_MODE_PORT_MII_10M |
  5017. EMAC_MODE_HALF_DUPLEX));
  5018. switch (vars->line_speed) {
  5019. case SPEED_10:
  5020. mode |= EMAC_MODE_PORT_MII_10M;
  5021. break;
  5022. case SPEED_100:
  5023. mode |= EMAC_MODE_PORT_MII;
  5024. break;
  5025. case SPEED_1000:
  5026. mode |= EMAC_MODE_PORT_GMII;
  5027. break;
  5028. case SPEED_2500:
  5029. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5030. break;
  5031. default:
  5032. /* 10G not valid for EMAC */
  5033. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5034. vars->line_speed);
  5035. return -EINVAL;
  5036. }
  5037. if (vars->duplex == DUPLEX_HALF)
  5038. mode |= EMAC_MODE_HALF_DUPLEX;
  5039. bnx2x_bits_en(bp,
  5040. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5041. mode);
  5042. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5043. return 0;
  5044. }
  5045. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5046. struct link_params *params)
  5047. {
  5048. u16 bank, i = 0;
  5049. struct bnx2x *bp = params->bp;
  5050. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5051. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5052. CL22_WR_OVER_CL45(bp, phy,
  5053. bank,
  5054. MDIO_RX0_RX_EQ_BOOST,
  5055. phy->rx_preemphasis[i]);
  5056. }
  5057. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5058. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5059. CL22_WR_OVER_CL45(bp, phy,
  5060. bank,
  5061. MDIO_TX0_TX_DRIVER,
  5062. phy->tx_preemphasis[i]);
  5063. }
  5064. }
  5065. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5066. struct link_params *params,
  5067. struct link_vars *vars)
  5068. {
  5069. struct bnx2x *bp = params->bp;
  5070. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5071. (params->loopback_mode == LOOPBACK_XGXS));
  5072. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5073. if (SINGLE_MEDIA_DIRECT(params) &&
  5074. (params->feature_config_flags &
  5075. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5076. bnx2x_set_preemphasis(phy, params);
  5077. /* Forced speed requested? */
  5078. if (vars->line_speed != SPEED_AUTO_NEG ||
  5079. (SINGLE_MEDIA_DIRECT(params) &&
  5080. params->loopback_mode == LOOPBACK_EXT)) {
  5081. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5082. /* Disable autoneg */
  5083. bnx2x_set_autoneg(phy, params, vars, 0);
  5084. /* Program speed and duplex */
  5085. bnx2x_program_serdes(phy, params, vars);
  5086. } else { /* AN_mode */
  5087. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5088. /* AN enabled */
  5089. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5090. /* Program duplex & pause advertisement (for aneg) */
  5091. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5092. vars->ieee_fc);
  5093. /* Enable autoneg */
  5094. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5095. /* Enable and restart AN */
  5096. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5097. }
  5098. } else { /* SGMII mode */
  5099. DP(NETIF_MSG_LINK, "SGMII\n");
  5100. bnx2x_initialize_sgmii_process(phy, params, vars);
  5101. }
  5102. }
  5103. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5104. struct link_params *params,
  5105. struct link_vars *vars)
  5106. {
  5107. int rc;
  5108. vars->phy_flags |= PHY_XGXS_FLAG;
  5109. if ((phy->req_line_speed &&
  5110. ((phy->req_line_speed == SPEED_100) ||
  5111. (phy->req_line_speed == SPEED_10))) ||
  5112. (!phy->req_line_speed &&
  5113. (phy->speed_cap_mask >=
  5114. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5115. (phy->speed_cap_mask <
  5116. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5117. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5118. vars->phy_flags |= PHY_SGMII_FLAG;
  5119. else
  5120. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5121. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5122. bnx2x_set_aer_mmd(params, phy);
  5123. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5124. bnx2x_set_master_ln(params, phy);
  5125. rc = bnx2x_reset_unicore(params, phy, 0);
  5126. /* Reset the SerDes and wait for reset bit return low */
  5127. if (rc)
  5128. return rc;
  5129. bnx2x_set_aer_mmd(params, phy);
  5130. /* Setting the masterLn_def again after the reset */
  5131. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5132. bnx2x_set_master_ln(params, phy);
  5133. bnx2x_set_swap_lanes(params, phy);
  5134. }
  5135. return rc;
  5136. }
  5137. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5138. struct bnx2x_phy *phy,
  5139. struct link_params *params)
  5140. {
  5141. u16 cnt, ctrl;
  5142. /* Wait for soft reset to get cleared up to 1 sec */
  5143. for (cnt = 0; cnt < 1000; cnt++) {
  5144. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5145. bnx2x_cl22_read(bp, phy,
  5146. MDIO_PMA_REG_CTRL, &ctrl);
  5147. else
  5148. bnx2x_cl45_read(bp, phy,
  5149. MDIO_PMA_DEVAD,
  5150. MDIO_PMA_REG_CTRL, &ctrl);
  5151. if (!(ctrl & (1<<15)))
  5152. break;
  5153. usleep_range(1000, 2000);
  5154. }
  5155. if (cnt == 1000)
  5156. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5157. " Port %d\n",
  5158. params->port);
  5159. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5160. return cnt;
  5161. }
  5162. static void bnx2x_link_int_enable(struct link_params *params)
  5163. {
  5164. u8 port = params->port;
  5165. u32 mask;
  5166. struct bnx2x *bp = params->bp;
  5167. /* Setting the status to report on link up for either XGXS or SerDes */
  5168. if (CHIP_IS_E3(bp)) {
  5169. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5170. if (!(SINGLE_MEDIA_DIRECT(params)))
  5171. mask |= NIG_MASK_MI_INT;
  5172. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5173. mask = (NIG_MASK_XGXS0_LINK10G |
  5174. NIG_MASK_XGXS0_LINK_STATUS);
  5175. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5176. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5177. params->phy[INT_PHY].type !=
  5178. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5179. mask |= NIG_MASK_MI_INT;
  5180. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5181. }
  5182. } else { /* SerDes */
  5183. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5184. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5185. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5186. params->phy[INT_PHY].type !=
  5187. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5188. mask |= NIG_MASK_MI_INT;
  5189. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5190. }
  5191. }
  5192. bnx2x_bits_en(bp,
  5193. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5194. mask);
  5195. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5196. (params->switch_cfg == SWITCH_CFG_10G),
  5197. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5198. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5199. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5200. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5201. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5202. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5203. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5204. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5205. }
  5206. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5207. u8 exp_mi_int)
  5208. {
  5209. u32 latch_status = 0;
  5210. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5211. * status register. Link down indication is high-active-signal,
  5212. * so in this case we need to write the status to clear the XOR
  5213. */
  5214. /* Read Latched signals */
  5215. latch_status = REG_RD(bp,
  5216. NIG_REG_LATCH_STATUS_0 + port*8);
  5217. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5218. /* Handle only those with latched-signal=up.*/
  5219. if (exp_mi_int)
  5220. bnx2x_bits_en(bp,
  5221. NIG_REG_STATUS_INTERRUPT_PORT0
  5222. + port*4,
  5223. NIG_STATUS_EMAC0_MI_INT);
  5224. else
  5225. bnx2x_bits_dis(bp,
  5226. NIG_REG_STATUS_INTERRUPT_PORT0
  5227. + port*4,
  5228. NIG_STATUS_EMAC0_MI_INT);
  5229. if (latch_status & 1) {
  5230. /* For all latched-signal=up : Re-Arm Latch signals */
  5231. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5232. (latch_status & 0xfffe) | (latch_status & 1));
  5233. }
  5234. /* For all latched-signal=up,Write original_signal to status */
  5235. }
  5236. static void bnx2x_link_int_ack(struct link_params *params,
  5237. struct link_vars *vars, u8 is_10g_plus)
  5238. {
  5239. struct bnx2x *bp = params->bp;
  5240. u8 port = params->port;
  5241. u32 mask;
  5242. /* First reset all status we assume only one line will be
  5243. * change at a time
  5244. */
  5245. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5246. (NIG_STATUS_XGXS0_LINK10G |
  5247. NIG_STATUS_XGXS0_LINK_STATUS |
  5248. NIG_STATUS_SERDES0_LINK_STATUS));
  5249. if (vars->phy_link_up) {
  5250. if (USES_WARPCORE(bp))
  5251. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5252. else {
  5253. if (is_10g_plus)
  5254. mask = NIG_STATUS_XGXS0_LINK10G;
  5255. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5256. /* Disable the link interrupt by writing 1 to
  5257. * the relevant lane in the status register
  5258. */
  5259. u32 ser_lane =
  5260. ((params->lane_config &
  5261. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5262. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5263. mask = ((1 << ser_lane) <<
  5264. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5265. } else
  5266. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5267. }
  5268. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5269. mask);
  5270. bnx2x_bits_en(bp,
  5271. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5272. mask);
  5273. }
  5274. }
  5275. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5276. {
  5277. u8 *str_ptr = str;
  5278. u32 mask = 0xf0000000;
  5279. u8 shift = 8*4;
  5280. u8 digit;
  5281. u8 remove_leading_zeros = 1;
  5282. if (*len < 10) {
  5283. /* Need more than 10chars for this format */
  5284. *str_ptr = '\0';
  5285. (*len)--;
  5286. return -EINVAL;
  5287. }
  5288. while (shift > 0) {
  5289. shift -= 4;
  5290. digit = ((num & mask) >> shift);
  5291. if (digit == 0 && remove_leading_zeros) {
  5292. mask = mask >> 4;
  5293. continue;
  5294. } else if (digit < 0xa)
  5295. *str_ptr = digit + '0';
  5296. else
  5297. *str_ptr = digit - 0xa + 'a';
  5298. remove_leading_zeros = 0;
  5299. str_ptr++;
  5300. (*len)--;
  5301. mask = mask >> 4;
  5302. if (shift == 4*4) {
  5303. *str_ptr = '.';
  5304. str_ptr++;
  5305. (*len)--;
  5306. remove_leading_zeros = 1;
  5307. }
  5308. }
  5309. return 0;
  5310. }
  5311. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5312. {
  5313. str[0] = '\0';
  5314. (*len)--;
  5315. return 0;
  5316. }
  5317. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5318. u16 len)
  5319. {
  5320. struct bnx2x *bp;
  5321. u32 spirom_ver = 0;
  5322. int status = 0;
  5323. u8 *ver_p = version;
  5324. u16 remain_len = len;
  5325. if (version == NULL || params == NULL)
  5326. return -EINVAL;
  5327. bp = params->bp;
  5328. /* Extract first external phy*/
  5329. version[0] = '\0';
  5330. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5331. if (params->phy[EXT_PHY1].format_fw_ver) {
  5332. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5333. ver_p,
  5334. &remain_len);
  5335. ver_p += (len - remain_len);
  5336. }
  5337. if ((params->num_phys == MAX_PHYS) &&
  5338. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5339. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5340. if (params->phy[EXT_PHY2].format_fw_ver) {
  5341. *ver_p = '/';
  5342. ver_p++;
  5343. remain_len--;
  5344. status |= params->phy[EXT_PHY2].format_fw_ver(
  5345. spirom_ver,
  5346. ver_p,
  5347. &remain_len);
  5348. ver_p = version + (len - remain_len);
  5349. }
  5350. }
  5351. *ver_p = '\0';
  5352. return status;
  5353. }
  5354. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5355. struct link_params *params)
  5356. {
  5357. u8 port = params->port;
  5358. struct bnx2x *bp = params->bp;
  5359. if (phy->req_line_speed != SPEED_1000) {
  5360. u32 md_devad = 0;
  5361. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5362. if (!CHIP_IS_E3(bp)) {
  5363. /* Change the uni_phy_addr in the nig */
  5364. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5365. port*0x18));
  5366. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5367. 0x5);
  5368. }
  5369. bnx2x_cl45_write(bp, phy,
  5370. 5,
  5371. (MDIO_REG_BANK_AER_BLOCK +
  5372. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5373. 0x2800);
  5374. bnx2x_cl45_write(bp, phy,
  5375. 5,
  5376. (MDIO_REG_BANK_CL73_IEEEB0 +
  5377. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5378. 0x6041);
  5379. msleep(200);
  5380. /* Set aer mmd back */
  5381. bnx2x_set_aer_mmd(params, phy);
  5382. if (!CHIP_IS_E3(bp)) {
  5383. /* And md_devad */
  5384. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5385. md_devad);
  5386. }
  5387. } else {
  5388. u16 mii_ctrl;
  5389. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5390. bnx2x_cl45_read(bp, phy, 5,
  5391. (MDIO_REG_BANK_COMBO_IEEE0 +
  5392. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5393. &mii_ctrl);
  5394. bnx2x_cl45_write(bp, phy, 5,
  5395. (MDIO_REG_BANK_COMBO_IEEE0 +
  5396. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5397. mii_ctrl |
  5398. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5399. }
  5400. }
  5401. int bnx2x_set_led(struct link_params *params,
  5402. struct link_vars *vars, u8 mode, u32 speed)
  5403. {
  5404. u8 port = params->port;
  5405. u16 hw_led_mode = params->hw_led_mode;
  5406. int rc = 0;
  5407. u8 phy_idx;
  5408. u32 tmp;
  5409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5410. struct bnx2x *bp = params->bp;
  5411. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5412. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5413. speed, hw_led_mode);
  5414. /* In case */
  5415. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5416. if (params->phy[phy_idx].set_link_led) {
  5417. params->phy[phy_idx].set_link_led(
  5418. &params->phy[phy_idx], params, mode);
  5419. }
  5420. }
  5421. switch (mode) {
  5422. case LED_MODE_FRONT_PANEL_OFF:
  5423. case LED_MODE_OFF:
  5424. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5425. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5426. SHARED_HW_CFG_LED_MAC1);
  5427. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5428. if (params->phy[EXT_PHY1].type ==
  5429. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5430. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5431. EMAC_LED_100MB_OVERRIDE |
  5432. EMAC_LED_10MB_OVERRIDE);
  5433. else
  5434. tmp |= EMAC_LED_OVERRIDE;
  5435. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5436. break;
  5437. case LED_MODE_OPER:
  5438. /* For all other phys, OPER mode is same as ON, so in case
  5439. * link is down, do nothing
  5440. */
  5441. if (!vars->link_up)
  5442. break;
  5443. case LED_MODE_ON:
  5444. if (((params->phy[EXT_PHY1].type ==
  5445. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5446. (params->phy[EXT_PHY1].type ==
  5447. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5448. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5449. /* This is a work-around for E2+8727 Configurations */
  5450. if (mode == LED_MODE_ON ||
  5451. speed == SPEED_10000){
  5452. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5453. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5454. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5455. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5456. (tmp | EMAC_LED_OVERRIDE));
  5457. /* Return here without enabling traffic
  5458. * LED blink and setting rate in ON mode.
  5459. * In oper mode, enabling LED blink
  5460. * and setting rate is needed.
  5461. */
  5462. if (mode == LED_MODE_ON)
  5463. return rc;
  5464. }
  5465. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5466. /* This is a work-around for HW issue found when link
  5467. * is up in CL73
  5468. */
  5469. if ((!CHIP_IS_E3(bp)) ||
  5470. (CHIP_IS_E3(bp) &&
  5471. mode == LED_MODE_ON))
  5472. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5473. if (CHIP_IS_E1x(bp) ||
  5474. CHIP_IS_E2(bp) ||
  5475. (mode == LED_MODE_ON))
  5476. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5477. else
  5478. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5479. hw_led_mode);
  5480. } else if ((params->phy[EXT_PHY1].type ==
  5481. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5482. (mode == LED_MODE_ON)) {
  5483. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5484. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5485. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5486. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5487. /* Break here; otherwise, it'll disable the
  5488. * intended override.
  5489. */
  5490. break;
  5491. } else
  5492. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5493. hw_led_mode);
  5494. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5495. /* Set blinking rate to ~15.9Hz */
  5496. if (CHIP_IS_E3(bp))
  5497. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5498. LED_BLINK_RATE_VAL_E3);
  5499. else
  5500. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5501. LED_BLINK_RATE_VAL_E1X_E2);
  5502. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5503. port*4, 1);
  5504. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5505. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5506. (tmp & (~EMAC_LED_OVERRIDE)));
  5507. if (CHIP_IS_E1(bp) &&
  5508. ((speed == SPEED_2500) ||
  5509. (speed == SPEED_1000) ||
  5510. (speed == SPEED_100) ||
  5511. (speed == SPEED_10))) {
  5512. /* For speeds less than 10G LED scheme is different */
  5513. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5514. + port*4, 1);
  5515. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5516. port*4, 0);
  5517. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5518. port*4, 1);
  5519. }
  5520. break;
  5521. default:
  5522. rc = -EINVAL;
  5523. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5524. mode);
  5525. break;
  5526. }
  5527. return rc;
  5528. }
  5529. /* This function comes to reflect the actual link state read DIRECTLY from the
  5530. * HW
  5531. */
  5532. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5533. u8 is_serdes)
  5534. {
  5535. struct bnx2x *bp = params->bp;
  5536. u16 gp_status = 0, phy_index = 0;
  5537. u8 ext_phy_link_up = 0, serdes_phy_type;
  5538. struct link_vars temp_vars;
  5539. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5540. if (CHIP_IS_E3(bp)) {
  5541. u16 link_up;
  5542. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5543. > SPEED_10000) {
  5544. /* Check 20G link */
  5545. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5546. 1, &link_up);
  5547. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5548. 1, &link_up);
  5549. link_up &= (1<<2);
  5550. } else {
  5551. /* Check 10G link and below*/
  5552. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5553. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5554. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5555. &gp_status);
  5556. gp_status = ((gp_status >> 8) & 0xf) |
  5557. ((gp_status >> 12) & 0xf);
  5558. link_up = gp_status & (1 << lane);
  5559. }
  5560. if (!link_up)
  5561. return -ESRCH;
  5562. } else {
  5563. CL22_RD_OVER_CL45(bp, int_phy,
  5564. MDIO_REG_BANK_GP_STATUS,
  5565. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5566. &gp_status);
  5567. /* Link is up only if both local phy and external phy are up */
  5568. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5569. return -ESRCH;
  5570. }
  5571. /* In XGXS loopback mode, do not check external PHY */
  5572. if (params->loopback_mode == LOOPBACK_XGXS)
  5573. return 0;
  5574. switch (params->num_phys) {
  5575. case 1:
  5576. /* No external PHY */
  5577. return 0;
  5578. case 2:
  5579. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5580. &params->phy[EXT_PHY1],
  5581. params, &temp_vars);
  5582. break;
  5583. case 3: /* Dual Media */
  5584. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5585. phy_index++) {
  5586. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5587. ETH_PHY_SFPP_10G_FIBER) ||
  5588. (params->phy[phy_index].media_type ==
  5589. ETH_PHY_SFP_1G_FIBER) ||
  5590. (params->phy[phy_index].media_type ==
  5591. ETH_PHY_XFP_FIBER) ||
  5592. (params->phy[phy_index].media_type ==
  5593. ETH_PHY_DA_TWINAX));
  5594. if (is_serdes != serdes_phy_type)
  5595. continue;
  5596. if (params->phy[phy_index].read_status) {
  5597. ext_phy_link_up |=
  5598. params->phy[phy_index].read_status(
  5599. &params->phy[phy_index],
  5600. params, &temp_vars);
  5601. }
  5602. }
  5603. break;
  5604. }
  5605. if (ext_phy_link_up)
  5606. return 0;
  5607. return -ESRCH;
  5608. }
  5609. static int bnx2x_link_initialize(struct link_params *params,
  5610. struct link_vars *vars)
  5611. {
  5612. int rc = 0;
  5613. u8 phy_index, non_ext_phy;
  5614. struct bnx2x *bp = params->bp;
  5615. /* In case of external phy existence, the line speed would be the
  5616. * line speed linked up by the external phy. In case it is direct
  5617. * only, then the line_speed during initialization will be
  5618. * equal to the req_line_speed
  5619. */
  5620. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5621. /* Initialize the internal phy in case this is a direct board
  5622. * (no external phys), or this board has external phy which requires
  5623. * to first.
  5624. */
  5625. if (!USES_WARPCORE(bp))
  5626. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5627. /* init ext phy and enable link state int */
  5628. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5629. (params->loopback_mode == LOOPBACK_XGXS));
  5630. if (non_ext_phy ||
  5631. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5632. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5633. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5634. if (vars->line_speed == SPEED_AUTO_NEG &&
  5635. (CHIP_IS_E1x(bp) ||
  5636. CHIP_IS_E2(bp)))
  5637. bnx2x_set_parallel_detection(phy, params);
  5638. if (params->phy[INT_PHY].config_init)
  5639. params->phy[INT_PHY].config_init(phy,
  5640. params,
  5641. vars);
  5642. }
  5643. /* Init external phy*/
  5644. if (non_ext_phy) {
  5645. if (params->phy[INT_PHY].supported &
  5646. SUPPORTED_FIBRE)
  5647. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5648. } else {
  5649. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5650. phy_index++) {
  5651. /* No need to initialize second phy in case of first
  5652. * phy only selection. In case of second phy, we do
  5653. * need to initialize the first phy, since they are
  5654. * connected.
  5655. */
  5656. if (params->phy[phy_index].supported &
  5657. SUPPORTED_FIBRE)
  5658. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5659. if (phy_index == EXT_PHY2 &&
  5660. (bnx2x_phy_selection(params) ==
  5661. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5662. DP(NETIF_MSG_LINK,
  5663. "Not initializing second phy\n");
  5664. continue;
  5665. }
  5666. params->phy[phy_index].config_init(
  5667. &params->phy[phy_index],
  5668. params, vars);
  5669. }
  5670. }
  5671. /* Reset the interrupt indication after phy was initialized */
  5672. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5673. params->port*4,
  5674. (NIG_STATUS_XGXS0_LINK10G |
  5675. NIG_STATUS_XGXS0_LINK_STATUS |
  5676. NIG_STATUS_SERDES0_LINK_STATUS |
  5677. NIG_MASK_MI_INT));
  5678. return rc;
  5679. }
  5680. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5681. struct link_params *params)
  5682. {
  5683. /* Reset the SerDes/XGXS */
  5684. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5685. (0x1ff << (params->port*16)));
  5686. }
  5687. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5688. struct link_params *params)
  5689. {
  5690. struct bnx2x *bp = params->bp;
  5691. u8 gpio_port;
  5692. /* HW reset */
  5693. if (CHIP_IS_E2(bp))
  5694. gpio_port = BP_PATH(bp);
  5695. else
  5696. gpio_port = params->port;
  5697. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5698. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5699. gpio_port);
  5700. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5701. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5702. gpio_port);
  5703. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5704. }
  5705. static int bnx2x_update_link_down(struct link_params *params,
  5706. struct link_vars *vars)
  5707. {
  5708. struct bnx2x *bp = params->bp;
  5709. u8 port = params->port;
  5710. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5711. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5712. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5713. /* Indicate no mac active */
  5714. vars->mac_type = MAC_TYPE_NONE;
  5715. /* Update shared memory */
  5716. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5717. LINK_STATUS_LINK_UP |
  5718. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5719. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5720. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5721. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5722. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5723. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5724. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5725. vars->line_speed = 0;
  5726. bnx2x_update_mng(params, vars->link_status);
  5727. /* Activate nig drain */
  5728. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5729. /* Disable emac */
  5730. if (!CHIP_IS_E3(bp))
  5731. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5732. usleep_range(10000, 20000);
  5733. /* Reset BigMac/Xmac */
  5734. if (CHIP_IS_E1x(bp) ||
  5735. CHIP_IS_E2(bp)) {
  5736. bnx2x_bmac_rx_disable(bp, params->port);
  5737. REG_WR(bp, GRCBASE_MISC +
  5738. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5739. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5740. }
  5741. if (CHIP_IS_E3(bp)) {
  5742. /* Prevent LPI Generation by chip */
  5743. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5744. 0);
  5745. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  5746. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5747. 0);
  5748. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5749. SHMEM_EEE_ACTIVE_BIT);
  5750. bnx2x_update_mng_eee(params, vars->eee_status);
  5751. bnx2x_xmac_disable(params);
  5752. bnx2x_umac_disable(params);
  5753. }
  5754. return 0;
  5755. }
  5756. static int bnx2x_update_link_up(struct link_params *params,
  5757. struct link_vars *vars,
  5758. u8 link_10g)
  5759. {
  5760. struct bnx2x *bp = params->bp;
  5761. u8 phy_idx, port = params->port;
  5762. int rc = 0;
  5763. vars->link_status |= (LINK_STATUS_LINK_UP |
  5764. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5765. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5766. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5767. vars->link_status |=
  5768. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5769. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5770. vars->link_status |=
  5771. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5772. if (USES_WARPCORE(bp)) {
  5773. if (link_10g) {
  5774. if (bnx2x_xmac_enable(params, vars, 0) ==
  5775. -ESRCH) {
  5776. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5777. vars->link_up = 0;
  5778. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5779. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5780. }
  5781. } else
  5782. bnx2x_umac_enable(params, vars, 0);
  5783. bnx2x_set_led(params, vars,
  5784. LED_MODE_OPER, vars->line_speed);
  5785. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5786. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5787. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5788. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5789. (params->port << 2), 1);
  5790. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5791. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5792. (params->port << 2), 0xfc20);
  5793. }
  5794. }
  5795. if ((CHIP_IS_E1x(bp) ||
  5796. CHIP_IS_E2(bp))) {
  5797. if (link_10g) {
  5798. if (bnx2x_bmac_enable(params, vars, 0) ==
  5799. -ESRCH) {
  5800. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5801. vars->link_up = 0;
  5802. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5803. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5804. }
  5805. bnx2x_set_led(params, vars,
  5806. LED_MODE_OPER, SPEED_10000);
  5807. } else {
  5808. rc = bnx2x_emac_program(params, vars);
  5809. bnx2x_emac_enable(params, vars, 0);
  5810. /* AN complete? */
  5811. if ((vars->link_status &
  5812. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5813. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5814. SINGLE_MEDIA_DIRECT(params))
  5815. bnx2x_set_gmii_tx_driver(params);
  5816. }
  5817. }
  5818. /* PBF - link up */
  5819. if (CHIP_IS_E1x(bp))
  5820. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5821. vars->line_speed);
  5822. /* Disable drain */
  5823. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5824. /* Update shared memory */
  5825. bnx2x_update_mng(params, vars->link_status);
  5826. bnx2x_update_mng_eee(params, vars->eee_status);
  5827. /* Check remote fault */
  5828. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5829. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5830. bnx2x_check_half_open_conn(params, vars, 0);
  5831. break;
  5832. }
  5833. }
  5834. msleep(20);
  5835. return rc;
  5836. }
  5837. /* The bnx2x_link_update function should be called upon link
  5838. * interrupt.
  5839. * Link is considered up as follows:
  5840. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5841. * to be up
  5842. * - SINGLE_MEDIA - The link between the 577xx and the external
  5843. * phy (XGXS) need to up as well as the external link of the
  5844. * phy (PHY_EXT1)
  5845. * - DUAL_MEDIA - The link between the 577xx and the first
  5846. * external phy needs to be up, and at least one of the 2
  5847. * external phy link must be up.
  5848. */
  5849. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5850. {
  5851. struct bnx2x *bp = params->bp;
  5852. struct link_vars phy_vars[MAX_PHYS];
  5853. u8 port = params->port;
  5854. u8 link_10g_plus, phy_index;
  5855. u8 ext_phy_link_up = 0, cur_link_up;
  5856. int rc = 0;
  5857. u8 is_mi_int = 0;
  5858. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5859. u8 active_external_phy = INT_PHY;
  5860. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5861. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5862. phy_index++) {
  5863. phy_vars[phy_index].flow_ctrl = 0;
  5864. phy_vars[phy_index].link_status = 0;
  5865. phy_vars[phy_index].line_speed = 0;
  5866. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5867. phy_vars[phy_index].phy_link_up = 0;
  5868. phy_vars[phy_index].link_up = 0;
  5869. phy_vars[phy_index].fault_detected = 0;
  5870. /* different consideration, since vars holds inner state */
  5871. phy_vars[phy_index].eee_status = vars->eee_status;
  5872. }
  5873. if (USES_WARPCORE(bp))
  5874. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5875. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5876. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5877. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5878. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5879. port*0x18) > 0);
  5880. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5881. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5882. is_mi_int,
  5883. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5884. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5885. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5886. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5887. /* Disable emac */
  5888. if (!CHIP_IS_E3(bp))
  5889. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5890. /* Step 1:
  5891. * Check external link change only for external phys, and apply
  5892. * priority selection between them in case the link on both phys
  5893. * is up. Note that instead of the common vars, a temporary
  5894. * vars argument is used since each phy may have different link/
  5895. * speed/duplex result
  5896. */
  5897. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5898. phy_index++) {
  5899. struct bnx2x_phy *phy = &params->phy[phy_index];
  5900. if (!phy->read_status)
  5901. continue;
  5902. /* Read link status and params of this ext phy */
  5903. cur_link_up = phy->read_status(phy, params,
  5904. &phy_vars[phy_index]);
  5905. if (cur_link_up) {
  5906. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5907. phy_index);
  5908. } else {
  5909. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5910. phy_index);
  5911. continue;
  5912. }
  5913. if (!ext_phy_link_up) {
  5914. ext_phy_link_up = 1;
  5915. active_external_phy = phy_index;
  5916. } else {
  5917. switch (bnx2x_phy_selection(params)) {
  5918. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5919. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5920. /* In this option, the first PHY makes sure to pass the
  5921. * traffic through itself only.
  5922. * Its not clear how to reset the link on the second phy
  5923. */
  5924. active_external_phy = EXT_PHY1;
  5925. break;
  5926. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5927. /* In this option, the first PHY makes sure to pass the
  5928. * traffic through the second PHY.
  5929. */
  5930. active_external_phy = EXT_PHY2;
  5931. break;
  5932. default:
  5933. /* Link indication on both PHYs with the following cases
  5934. * is invalid:
  5935. * - FIRST_PHY means that second phy wasn't initialized,
  5936. * hence its link is expected to be down
  5937. * - SECOND_PHY means that first phy should not be able
  5938. * to link up by itself (using configuration)
  5939. * - DEFAULT should be overriden during initialiazation
  5940. */
  5941. DP(NETIF_MSG_LINK, "Invalid link indication"
  5942. "mpc=0x%x. DISABLING LINK !!!\n",
  5943. params->multi_phy_config);
  5944. ext_phy_link_up = 0;
  5945. break;
  5946. }
  5947. }
  5948. }
  5949. prev_line_speed = vars->line_speed;
  5950. /* Step 2:
  5951. * Read the status of the internal phy. In case of
  5952. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5953. * otherwise this is the link between the 577xx and the first
  5954. * external phy
  5955. */
  5956. if (params->phy[INT_PHY].read_status)
  5957. params->phy[INT_PHY].read_status(
  5958. &params->phy[INT_PHY],
  5959. params, vars);
  5960. /* The INT_PHY flow control reside in the vars. This include the
  5961. * case where the speed or flow control are not set to AUTO.
  5962. * Otherwise, the active external phy flow control result is set
  5963. * to the vars. The ext_phy_line_speed is needed to check if the
  5964. * speed is different between the internal phy and external phy.
  5965. * This case may be result of intermediate link speed change.
  5966. */
  5967. if (active_external_phy > INT_PHY) {
  5968. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5969. /* Link speed is taken from the XGXS. AN and FC result from
  5970. * the external phy.
  5971. */
  5972. vars->link_status |= phy_vars[active_external_phy].link_status;
  5973. /* if active_external_phy is first PHY and link is up - disable
  5974. * disable TX on second external PHY
  5975. */
  5976. if (active_external_phy == EXT_PHY1) {
  5977. if (params->phy[EXT_PHY2].phy_specific_func) {
  5978. DP(NETIF_MSG_LINK,
  5979. "Disabling TX on EXT_PHY2\n");
  5980. params->phy[EXT_PHY2].phy_specific_func(
  5981. &params->phy[EXT_PHY2],
  5982. params, DISABLE_TX);
  5983. }
  5984. }
  5985. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5986. vars->duplex = phy_vars[active_external_phy].duplex;
  5987. if (params->phy[active_external_phy].supported &
  5988. SUPPORTED_FIBRE)
  5989. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5990. else
  5991. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5992. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5993. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5994. active_external_phy);
  5995. }
  5996. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5997. phy_index++) {
  5998. if (params->phy[phy_index].flags &
  5999. FLAGS_REARM_LATCH_SIGNAL) {
  6000. bnx2x_rearm_latch_signal(bp, port,
  6001. phy_index ==
  6002. active_external_phy);
  6003. break;
  6004. }
  6005. }
  6006. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6007. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6008. vars->link_status, ext_phy_line_speed);
  6009. /* Upon link speed change set the NIG into drain mode. Comes to
  6010. * deals with possible FIFO glitch due to clk change when speed
  6011. * is decreased without link down indicator
  6012. */
  6013. if (vars->phy_link_up) {
  6014. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6015. (ext_phy_line_speed != vars->line_speed)) {
  6016. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6017. " different than the external"
  6018. " link speed %d\n", vars->line_speed,
  6019. ext_phy_line_speed);
  6020. vars->phy_link_up = 0;
  6021. } else if (prev_line_speed != vars->line_speed) {
  6022. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6023. 0);
  6024. usleep_range(1000, 2000);
  6025. }
  6026. }
  6027. /* Anything 10 and over uses the bmac */
  6028. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6029. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6030. /* In case external phy link is up, and internal link is down
  6031. * (not initialized yet probably after link initialization, it
  6032. * needs to be initialized.
  6033. * Note that after link down-up as result of cable plug, the xgxs
  6034. * link would probably become up again without the need
  6035. * initialize it
  6036. */
  6037. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6038. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6039. " init_preceding = %d\n", ext_phy_link_up,
  6040. vars->phy_link_up,
  6041. params->phy[EXT_PHY1].flags &
  6042. FLAGS_INIT_XGXS_FIRST);
  6043. if (!(params->phy[EXT_PHY1].flags &
  6044. FLAGS_INIT_XGXS_FIRST)
  6045. && ext_phy_link_up && !vars->phy_link_up) {
  6046. vars->line_speed = ext_phy_line_speed;
  6047. if (vars->line_speed < SPEED_1000)
  6048. vars->phy_flags |= PHY_SGMII_FLAG;
  6049. else
  6050. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6051. if (params->phy[INT_PHY].config_init)
  6052. params->phy[INT_PHY].config_init(
  6053. &params->phy[INT_PHY], params,
  6054. vars);
  6055. }
  6056. }
  6057. /* Link is up only if both local phy and external phy (in case of
  6058. * non-direct board) are up and no fault detected on active PHY.
  6059. */
  6060. vars->link_up = (vars->phy_link_up &&
  6061. (ext_phy_link_up ||
  6062. SINGLE_MEDIA_DIRECT(params)) &&
  6063. (phy_vars[active_external_phy].fault_detected == 0));
  6064. /* Update the PFC configuration in case it was changed */
  6065. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6066. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6067. else
  6068. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6069. if (vars->link_up)
  6070. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6071. else
  6072. rc = bnx2x_update_link_down(params, vars);
  6073. /* Update MCP link status was changed */
  6074. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6075. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6076. return rc;
  6077. }
  6078. /*****************************************************************************/
  6079. /* External Phy section */
  6080. /*****************************************************************************/
  6081. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6082. {
  6083. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6084. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6085. usleep_range(1000, 2000);
  6086. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6087. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6088. }
  6089. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6090. u32 spirom_ver, u32 ver_addr)
  6091. {
  6092. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6093. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6094. if (ver_addr)
  6095. REG_WR(bp, ver_addr, spirom_ver);
  6096. }
  6097. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6098. struct bnx2x_phy *phy,
  6099. u8 port)
  6100. {
  6101. u16 fw_ver1, fw_ver2;
  6102. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6103. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6104. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6105. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6106. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6107. phy->ver_addr);
  6108. }
  6109. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6110. struct bnx2x_phy *phy,
  6111. struct link_vars *vars)
  6112. {
  6113. u16 val;
  6114. bnx2x_cl45_read(bp, phy,
  6115. MDIO_AN_DEVAD,
  6116. MDIO_AN_REG_STATUS, &val);
  6117. bnx2x_cl45_read(bp, phy,
  6118. MDIO_AN_DEVAD,
  6119. MDIO_AN_REG_STATUS, &val);
  6120. if (val & (1<<5))
  6121. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6122. if ((val & (1<<0)) == 0)
  6123. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6124. }
  6125. /******************************************************************/
  6126. /* common BCM8073/BCM8727 PHY SECTION */
  6127. /******************************************************************/
  6128. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6129. struct link_params *params,
  6130. struct link_vars *vars)
  6131. {
  6132. struct bnx2x *bp = params->bp;
  6133. if (phy->req_line_speed == SPEED_10 ||
  6134. phy->req_line_speed == SPEED_100) {
  6135. vars->flow_ctrl = phy->req_flow_ctrl;
  6136. return;
  6137. }
  6138. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6139. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6140. u16 pause_result;
  6141. u16 ld_pause; /* local */
  6142. u16 lp_pause; /* link partner */
  6143. bnx2x_cl45_read(bp, phy,
  6144. MDIO_AN_DEVAD,
  6145. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_AN_DEVAD,
  6148. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6149. pause_result = (ld_pause &
  6150. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6151. pause_result |= (lp_pause &
  6152. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6153. bnx2x_pause_resolve(vars, pause_result);
  6154. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6155. pause_result);
  6156. }
  6157. }
  6158. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6159. struct bnx2x_phy *phy,
  6160. u8 port)
  6161. {
  6162. u32 count = 0;
  6163. u16 fw_ver1, fw_msgout;
  6164. int rc = 0;
  6165. /* Boot port from external ROM */
  6166. /* EDC grst */
  6167. bnx2x_cl45_write(bp, phy,
  6168. MDIO_PMA_DEVAD,
  6169. MDIO_PMA_REG_GEN_CTRL,
  6170. 0x0001);
  6171. /* Ucode reboot and rst */
  6172. bnx2x_cl45_write(bp, phy,
  6173. MDIO_PMA_DEVAD,
  6174. MDIO_PMA_REG_GEN_CTRL,
  6175. 0x008c);
  6176. bnx2x_cl45_write(bp, phy,
  6177. MDIO_PMA_DEVAD,
  6178. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6179. /* Reset internal microprocessor */
  6180. bnx2x_cl45_write(bp, phy,
  6181. MDIO_PMA_DEVAD,
  6182. MDIO_PMA_REG_GEN_CTRL,
  6183. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6184. /* Release srst bit */
  6185. bnx2x_cl45_write(bp, phy,
  6186. MDIO_PMA_DEVAD,
  6187. MDIO_PMA_REG_GEN_CTRL,
  6188. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6189. /* Delay 100ms per the PHY specifications */
  6190. msleep(100);
  6191. /* 8073 sometimes taking longer to download */
  6192. do {
  6193. count++;
  6194. if (count > 300) {
  6195. DP(NETIF_MSG_LINK,
  6196. "bnx2x_8073_8727_external_rom_boot port %x:"
  6197. "Download failed. fw version = 0x%x\n",
  6198. port, fw_ver1);
  6199. rc = -EINVAL;
  6200. break;
  6201. }
  6202. bnx2x_cl45_read(bp, phy,
  6203. MDIO_PMA_DEVAD,
  6204. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6205. bnx2x_cl45_read(bp, phy,
  6206. MDIO_PMA_DEVAD,
  6207. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6208. usleep_range(1000, 2000);
  6209. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6210. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6211. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6212. /* Clear ser_boot_ctl bit */
  6213. bnx2x_cl45_write(bp, phy,
  6214. MDIO_PMA_DEVAD,
  6215. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6216. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6217. DP(NETIF_MSG_LINK,
  6218. "bnx2x_8073_8727_external_rom_boot port %x:"
  6219. "Download complete. fw version = 0x%x\n",
  6220. port, fw_ver1);
  6221. return rc;
  6222. }
  6223. /******************************************************************/
  6224. /* BCM8073 PHY SECTION */
  6225. /******************************************************************/
  6226. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6227. {
  6228. /* This is only required for 8073A1, version 102 only */
  6229. u16 val;
  6230. /* Read 8073 HW revision*/
  6231. bnx2x_cl45_read(bp, phy,
  6232. MDIO_PMA_DEVAD,
  6233. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6234. if (val != 1) {
  6235. /* No need to workaround in 8073 A1 */
  6236. return 0;
  6237. }
  6238. bnx2x_cl45_read(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_ROM_VER2, &val);
  6241. /* SNR should be applied only for version 0x102 */
  6242. if (val != 0x102)
  6243. return 0;
  6244. return 1;
  6245. }
  6246. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6247. {
  6248. u16 val, cnt, cnt1 ;
  6249. bnx2x_cl45_read(bp, phy,
  6250. MDIO_PMA_DEVAD,
  6251. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6252. if (val > 0) {
  6253. /* No need to workaround in 8073 A1 */
  6254. return 0;
  6255. }
  6256. /* XAUI workaround in 8073 A0: */
  6257. /* After loading the boot ROM and restarting Autoneg, poll
  6258. * Dev1, Reg $C820:
  6259. */
  6260. for (cnt = 0; cnt < 1000; cnt++) {
  6261. bnx2x_cl45_read(bp, phy,
  6262. MDIO_PMA_DEVAD,
  6263. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6264. &val);
  6265. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6266. * system initialization (XAUI work-around not required, as
  6267. * these bits indicate 2.5G or 1G link up).
  6268. */
  6269. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6270. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6271. return 0;
  6272. } else if (!(val & (1<<15))) {
  6273. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6274. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6275. * MSB (bit15) goes to 1 (indicating that the XAUI
  6276. * workaround has completed), then continue on with
  6277. * system initialization.
  6278. */
  6279. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PMA_DEVAD,
  6282. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6283. if (val & (1<<15)) {
  6284. DP(NETIF_MSG_LINK,
  6285. "XAUI workaround has completed\n");
  6286. return 0;
  6287. }
  6288. usleep_range(3000, 6000);
  6289. }
  6290. break;
  6291. }
  6292. usleep_range(3000, 6000);
  6293. }
  6294. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6295. return -EINVAL;
  6296. }
  6297. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6298. {
  6299. /* Force KR or KX */
  6300. bnx2x_cl45_write(bp, phy,
  6301. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6302. bnx2x_cl45_write(bp, phy,
  6303. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6304. bnx2x_cl45_write(bp, phy,
  6305. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6306. bnx2x_cl45_write(bp, phy,
  6307. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6308. }
  6309. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6310. struct bnx2x_phy *phy,
  6311. struct link_vars *vars)
  6312. {
  6313. u16 cl37_val;
  6314. struct bnx2x *bp = params->bp;
  6315. bnx2x_cl45_read(bp, phy,
  6316. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6317. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6318. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6319. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6320. if ((vars->ieee_fc &
  6321. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6322. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6323. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6324. }
  6325. if ((vars->ieee_fc &
  6326. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6327. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6328. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6329. }
  6330. if ((vars->ieee_fc &
  6331. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6332. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6333. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6334. }
  6335. DP(NETIF_MSG_LINK,
  6336. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6337. bnx2x_cl45_write(bp, phy,
  6338. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6339. msleep(500);
  6340. }
  6341. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6342. struct link_params *params,
  6343. struct link_vars *vars)
  6344. {
  6345. struct bnx2x *bp = params->bp;
  6346. u16 val = 0, tmp1;
  6347. u8 gpio_port;
  6348. DP(NETIF_MSG_LINK, "Init 8073\n");
  6349. if (CHIP_IS_E2(bp))
  6350. gpio_port = BP_PATH(bp);
  6351. else
  6352. gpio_port = params->port;
  6353. /* Restore normal power mode*/
  6354. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6355. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6356. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6357. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6358. /* Enable LASI */
  6359. bnx2x_cl45_write(bp, phy,
  6360. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6361. bnx2x_cl45_write(bp, phy,
  6362. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6363. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6364. bnx2x_cl45_read(bp, phy,
  6365. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6366. bnx2x_cl45_read(bp, phy,
  6367. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6368. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6369. /* Swap polarity if required - Must be done only in non-1G mode */
  6370. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6371. /* Configure the 8073 to swap _P and _N of the KR lines */
  6372. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6373. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6374. bnx2x_cl45_read(bp, phy,
  6375. MDIO_PMA_DEVAD,
  6376. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6377. bnx2x_cl45_write(bp, phy,
  6378. MDIO_PMA_DEVAD,
  6379. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6380. (val | (3<<9)));
  6381. }
  6382. /* Enable CL37 BAM */
  6383. if (REG_RD(bp, params->shmem_base +
  6384. offsetof(struct shmem_region, dev_info.
  6385. port_hw_config[params->port].default_cfg)) &
  6386. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6387. bnx2x_cl45_read(bp, phy,
  6388. MDIO_AN_DEVAD,
  6389. MDIO_AN_REG_8073_BAM, &val);
  6390. bnx2x_cl45_write(bp, phy,
  6391. MDIO_AN_DEVAD,
  6392. MDIO_AN_REG_8073_BAM, val | 1);
  6393. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6394. }
  6395. if (params->loopback_mode == LOOPBACK_EXT) {
  6396. bnx2x_807x_force_10G(bp, phy);
  6397. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6398. return 0;
  6399. } else {
  6400. bnx2x_cl45_write(bp, phy,
  6401. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6402. }
  6403. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6404. if (phy->req_line_speed == SPEED_10000) {
  6405. val = (1<<7);
  6406. } else if (phy->req_line_speed == SPEED_2500) {
  6407. val = (1<<5);
  6408. /* Note that 2.5G works only when used with 1G
  6409. * advertisement
  6410. */
  6411. } else
  6412. val = (1<<5);
  6413. } else {
  6414. val = 0;
  6415. if (phy->speed_cap_mask &
  6416. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6417. val |= (1<<7);
  6418. /* Note that 2.5G works only when used with 1G advertisement */
  6419. if (phy->speed_cap_mask &
  6420. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6421. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6422. val |= (1<<5);
  6423. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6424. }
  6425. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6426. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6427. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6428. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6429. (phy->req_line_speed == SPEED_2500)) {
  6430. u16 phy_ver;
  6431. /* Allow 2.5G for A1 and above */
  6432. bnx2x_cl45_read(bp, phy,
  6433. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6434. &phy_ver);
  6435. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6436. if (phy_ver > 0)
  6437. tmp1 |= 1;
  6438. else
  6439. tmp1 &= 0xfffe;
  6440. } else {
  6441. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6442. tmp1 &= 0xfffe;
  6443. }
  6444. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6445. /* Add support for CL37 (passive mode) II */
  6446. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6447. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6448. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6449. 0x20 : 0x40)));
  6450. /* Add support for CL37 (passive mode) III */
  6451. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6452. /* The SNR will improve about 2db by changing BW and FEE main
  6453. * tap. Rest commands are executed after link is up
  6454. * Change FFE main cursor to 5 in EDC register
  6455. */
  6456. if (bnx2x_8073_is_snr_needed(bp, phy))
  6457. bnx2x_cl45_write(bp, phy,
  6458. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6459. 0xFB0C);
  6460. /* Enable FEC (Forware Error Correction) Request in the AN */
  6461. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6462. tmp1 |= (1<<15);
  6463. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6464. bnx2x_ext_phy_set_pause(params, phy, vars);
  6465. /* Restart autoneg */
  6466. msleep(500);
  6467. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6468. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6469. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6470. return 0;
  6471. }
  6472. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6473. struct link_params *params,
  6474. struct link_vars *vars)
  6475. {
  6476. struct bnx2x *bp = params->bp;
  6477. u8 link_up = 0;
  6478. u16 val1, val2;
  6479. u16 link_status = 0;
  6480. u16 an1000_status = 0;
  6481. bnx2x_cl45_read(bp, phy,
  6482. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6483. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6484. /* Clear the interrupt LASI status register */
  6485. bnx2x_cl45_read(bp, phy,
  6486. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6487. bnx2x_cl45_read(bp, phy,
  6488. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6489. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6490. /* Clear MSG-OUT */
  6491. bnx2x_cl45_read(bp, phy,
  6492. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6493. /* Check the LASI */
  6494. bnx2x_cl45_read(bp, phy,
  6495. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6496. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6497. /* Check the link status */
  6498. bnx2x_cl45_read(bp, phy,
  6499. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6500. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6501. bnx2x_cl45_read(bp, phy,
  6502. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6503. bnx2x_cl45_read(bp, phy,
  6504. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6505. link_up = ((val1 & 4) == 4);
  6506. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6507. if (link_up &&
  6508. ((phy->req_line_speed != SPEED_10000))) {
  6509. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6510. return 0;
  6511. }
  6512. bnx2x_cl45_read(bp, phy,
  6513. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6516. /* Check the link status on 1.1.2 */
  6517. bnx2x_cl45_read(bp, phy,
  6518. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6519. bnx2x_cl45_read(bp, phy,
  6520. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6521. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6522. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6523. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6524. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6525. /* The SNR will improve about 2dbby changing the BW and FEE main
  6526. * tap. The 1st write to change FFE main tap is set before
  6527. * restart AN. Change PLL Bandwidth in EDC register
  6528. */
  6529. bnx2x_cl45_write(bp, phy,
  6530. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6531. 0x26BC);
  6532. /* Change CDR Bandwidth in EDC register */
  6533. bnx2x_cl45_write(bp, phy,
  6534. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6535. 0x0333);
  6536. }
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6539. &link_status);
  6540. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6541. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6542. link_up = 1;
  6543. vars->line_speed = SPEED_10000;
  6544. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6545. params->port);
  6546. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6547. link_up = 1;
  6548. vars->line_speed = SPEED_2500;
  6549. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6550. params->port);
  6551. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6552. link_up = 1;
  6553. vars->line_speed = SPEED_1000;
  6554. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6555. params->port);
  6556. } else {
  6557. link_up = 0;
  6558. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6559. params->port);
  6560. }
  6561. if (link_up) {
  6562. /* Swap polarity if required */
  6563. if (params->lane_config &
  6564. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6565. /* Configure the 8073 to swap P and N of the KR lines */
  6566. bnx2x_cl45_read(bp, phy,
  6567. MDIO_XS_DEVAD,
  6568. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6569. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6570. * when it`s in 10G mode.
  6571. */
  6572. if (vars->line_speed == SPEED_1000) {
  6573. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6574. "the 8073\n");
  6575. val1 |= (1<<3);
  6576. } else
  6577. val1 &= ~(1<<3);
  6578. bnx2x_cl45_write(bp, phy,
  6579. MDIO_XS_DEVAD,
  6580. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6581. val1);
  6582. }
  6583. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6584. bnx2x_8073_resolve_fc(phy, params, vars);
  6585. vars->duplex = DUPLEX_FULL;
  6586. }
  6587. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6588. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6589. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6590. if (val1 & (1<<5))
  6591. vars->link_status |=
  6592. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6593. if (val1 & (1<<7))
  6594. vars->link_status |=
  6595. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6596. }
  6597. return link_up;
  6598. }
  6599. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6600. struct link_params *params)
  6601. {
  6602. struct bnx2x *bp = params->bp;
  6603. u8 gpio_port;
  6604. if (CHIP_IS_E2(bp))
  6605. gpio_port = BP_PATH(bp);
  6606. else
  6607. gpio_port = params->port;
  6608. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6609. gpio_port);
  6610. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6611. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6612. gpio_port);
  6613. }
  6614. /******************************************************************/
  6615. /* BCM8705 PHY SECTION */
  6616. /******************************************************************/
  6617. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6618. struct link_params *params,
  6619. struct link_vars *vars)
  6620. {
  6621. struct bnx2x *bp = params->bp;
  6622. DP(NETIF_MSG_LINK, "init 8705\n");
  6623. /* Restore normal power mode*/
  6624. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6625. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6626. /* HW reset */
  6627. bnx2x_ext_phy_hw_reset(bp, params->port);
  6628. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6629. bnx2x_wait_reset_complete(bp, phy, params);
  6630. bnx2x_cl45_write(bp, phy,
  6631. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6632. bnx2x_cl45_write(bp, phy,
  6633. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6634. bnx2x_cl45_write(bp, phy,
  6635. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6636. bnx2x_cl45_write(bp, phy,
  6637. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6638. /* BCM8705 doesn't have microcode, hence the 0 */
  6639. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6640. return 0;
  6641. }
  6642. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6643. struct link_params *params,
  6644. struct link_vars *vars)
  6645. {
  6646. u8 link_up = 0;
  6647. u16 val1, rx_sd;
  6648. struct bnx2x *bp = params->bp;
  6649. DP(NETIF_MSG_LINK, "read status 8705\n");
  6650. bnx2x_cl45_read(bp, phy,
  6651. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6652. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6653. bnx2x_cl45_read(bp, phy,
  6654. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6655. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6656. bnx2x_cl45_read(bp, phy,
  6657. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6658. bnx2x_cl45_read(bp, phy,
  6659. MDIO_PMA_DEVAD, 0xc809, &val1);
  6660. bnx2x_cl45_read(bp, phy,
  6661. MDIO_PMA_DEVAD, 0xc809, &val1);
  6662. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6663. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6664. if (link_up) {
  6665. vars->line_speed = SPEED_10000;
  6666. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6667. }
  6668. return link_up;
  6669. }
  6670. /******************************************************************/
  6671. /* SFP+ module Section */
  6672. /******************************************************************/
  6673. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6674. struct bnx2x_phy *phy,
  6675. u8 pmd_dis)
  6676. {
  6677. struct bnx2x *bp = params->bp;
  6678. /* Disable transmitter only for bootcodes which can enable it afterwards
  6679. * (for D3 link)
  6680. */
  6681. if (pmd_dis) {
  6682. if (params->feature_config_flags &
  6683. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6684. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6685. else {
  6686. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6687. return;
  6688. }
  6689. } else
  6690. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6691. bnx2x_cl45_write(bp, phy,
  6692. MDIO_PMA_DEVAD,
  6693. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6694. }
  6695. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6696. {
  6697. u8 gpio_port;
  6698. u32 swap_val, swap_override;
  6699. struct bnx2x *bp = params->bp;
  6700. if (CHIP_IS_E2(bp))
  6701. gpio_port = BP_PATH(bp);
  6702. else
  6703. gpio_port = params->port;
  6704. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6705. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6706. return gpio_port ^ (swap_val && swap_override);
  6707. }
  6708. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6709. struct bnx2x_phy *phy,
  6710. u8 tx_en)
  6711. {
  6712. u16 val;
  6713. u8 port = params->port;
  6714. struct bnx2x *bp = params->bp;
  6715. u32 tx_en_mode;
  6716. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6717. tx_en_mode = REG_RD(bp, params->shmem_base +
  6718. offsetof(struct shmem_region,
  6719. dev_info.port_hw_config[port].sfp_ctrl)) &
  6720. PORT_HW_CFG_TX_LASER_MASK;
  6721. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6722. "mode = %x\n", tx_en, port, tx_en_mode);
  6723. switch (tx_en_mode) {
  6724. case PORT_HW_CFG_TX_LASER_MDIO:
  6725. bnx2x_cl45_read(bp, phy,
  6726. MDIO_PMA_DEVAD,
  6727. MDIO_PMA_REG_PHY_IDENTIFIER,
  6728. &val);
  6729. if (tx_en)
  6730. val &= ~(1<<15);
  6731. else
  6732. val |= (1<<15);
  6733. bnx2x_cl45_write(bp, phy,
  6734. MDIO_PMA_DEVAD,
  6735. MDIO_PMA_REG_PHY_IDENTIFIER,
  6736. val);
  6737. break;
  6738. case PORT_HW_CFG_TX_LASER_GPIO0:
  6739. case PORT_HW_CFG_TX_LASER_GPIO1:
  6740. case PORT_HW_CFG_TX_LASER_GPIO2:
  6741. case PORT_HW_CFG_TX_LASER_GPIO3:
  6742. {
  6743. u16 gpio_pin;
  6744. u8 gpio_port, gpio_mode;
  6745. if (tx_en)
  6746. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6747. else
  6748. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6749. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6750. gpio_port = bnx2x_get_gpio_port(params);
  6751. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6752. break;
  6753. }
  6754. default:
  6755. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6756. break;
  6757. }
  6758. }
  6759. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6760. struct bnx2x_phy *phy,
  6761. u8 tx_en)
  6762. {
  6763. struct bnx2x *bp = params->bp;
  6764. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6765. if (CHIP_IS_E3(bp))
  6766. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6767. else
  6768. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6769. }
  6770. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6771. struct link_params *params,
  6772. u16 addr, u8 byte_cnt, u8 *o_buf)
  6773. {
  6774. struct bnx2x *bp = params->bp;
  6775. u16 val = 0;
  6776. u16 i;
  6777. if (byte_cnt > 16) {
  6778. DP(NETIF_MSG_LINK,
  6779. "Reading from eeprom is limited to 0xf\n");
  6780. return -EINVAL;
  6781. }
  6782. /* Set the read command byte count */
  6783. bnx2x_cl45_write(bp, phy,
  6784. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6785. (byte_cnt | 0xa000));
  6786. /* Set the read command address */
  6787. bnx2x_cl45_write(bp, phy,
  6788. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6789. addr);
  6790. /* Activate read command */
  6791. bnx2x_cl45_write(bp, phy,
  6792. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6793. 0x2c0f);
  6794. /* Wait up to 500us for command complete status */
  6795. for (i = 0; i < 100; i++) {
  6796. bnx2x_cl45_read(bp, phy,
  6797. MDIO_PMA_DEVAD,
  6798. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6799. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6800. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6801. break;
  6802. udelay(5);
  6803. }
  6804. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6805. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6806. DP(NETIF_MSG_LINK,
  6807. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6808. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6809. return -EINVAL;
  6810. }
  6811. /* Read the buffer */
  6812. for (i = 0; i < byte_cnt; i++) {
  6813. bnx2x_cl45_read(bp, phy,
  6814. MDIO_PMA_DEVAD,
  6815. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6816. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6817. }
  6818. for (i = 0; i < 100; i++) {
  6819. bnx2x_cl45_read(bp, phy,
  6820. MDIO_PMA_DEVAD,
  6821. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6822. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6823. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6824. return 0;
  6825. usleep_range(1000, 2000);
  6826. }
  6827. return -EINVAL;
  6828. }
  6829. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6830. struct link_params *params,
  6831. u16 addr, u8 byte_cnt,
  6832. u8 *o_buf)
  6833. {
  6834. int rc = 0;
  6835. u8 i, j = 0, cnt = 0;
  6836. u32 data_array[4];
  6837. u16 addr32;
  6838. struct bnx2x *bp = params->bp;
  6839. if (byte_cnt > 16) {
  6840. DP(NETIF_MSG_LINK,
  6841. "Reading from eeprom is limited to 16 bytes\n");
  6842. return -EINVAL;
  6843. }
  6844. /* 4 byte aligned address */
  6845. addr32 = addr & (~0x3);
  6846. do {
  6847. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6848. data_array);
  6849. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6850. if (rc == 0) {
  6851. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6852. o_buf[j] = *((u8 *)data_array + i);
  6853. j++;
  6854. }
  6855. }
  6856. return rc;
  6857. }
  6858. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6859. struct link_params *params,
  6860. u16 addr, u8 byte_cnt, u8 *o_buf)
  6861. {
  6862. struct bnx2x *bp = params->bp;
  6863. u16 val, i;
  6864. if (byte_cnt > 16) {
  6865. DP(NETIF_MSG_LINK,
  6866. "Reading from eeprom is limited to 0xf\n");
  6867. return -EINVAL;
  6868. }
  6869. /* Need to read from 1.8000 to clear it */
  6870. bnx2x_cl45_read(bp, phy,
  6871. MDIO_PMA_DEVAD,
  6872. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6873. &val);
  6874. /* Set the read command byte count */
  6875. bnx2x_cl45_write(bp, phy,
  6876. MDIO_PMA_DEVAD,
  6877. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6878. ((byte_cnt < 2) ? 2 : byte_cnt));
  6879. /* Set the read command address */
  6880. bnx2x_cl45_write(bp, phy,
  6881. MDIO_PMA_DEVAD,
  6882. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6883. addr);
  6884. /* Set the destination address */
  6885. bnx2x_cl45_write(bp, phy,
  6886. MDIO_PMA_DEVAD,
  6887. 0x8004,
  6888. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6889. /* Activate read command */
  6890. bnx2x_cl45_write(bp, phy,
  6891. MDIO_PMA_DEVAD,
  6892. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6893. 0x8002);
  6894. /* Wait appropriate time for two-wire command to finish before
  6895. * polling the status register
  6896. */
  6897. usleep_range(1000, 2000);
  6898. /* Wait up to 500us for command complete status */
  6899. for (i = 0; i < 100; i++) {
  6900. bnx2x_cl45_read(bp, phy,
  6901. MDIO_PMA_DEVAD,
  6902. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6903. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6904. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6905. break;
  6906. udelay(5);
  6907. }
  6908. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6909. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6910. DP(NETIF_MSG_LINK,
  6911. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6912. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6913. return -EFAULT;
  6914. }
  6915. /* Read the buffer */
  6916. for (i = 0; i < byte_cnt; i++) {
  6917. bnx2x_cl45_read(bp, phy,
  6918. MDIO_PMA_DEVAD,
  6919. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6920. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6921. }
  6922. for (i = 0; i < 100; i++) {
  6923. bnx2x_cl45_read(bp, phy,
  6924. MDIO_PMA_DEVAD,
  6925. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6926. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6927. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6928. return 0;
  6929. usleep_range(1000, 2000);
  6930. }
  6931. return -EINVAL;
  6932. }
  6933. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6934. struct link_params *params, u16 addr,
  6935. u8 byte_cnt, u8 *o_buf)
  6936. {
  6937. int rc = -EINVAL;
  6938. switch (phy->type) {
  6939. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6940. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6941. byte_cnt, o_buf);
  6942. break;
  6943. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6944. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6945. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6946. byte_cnt, o_buf);
  6947. break;
  6948. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6949. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6950. byte_cnt, o_buf);
  6951. break;
  6952. }
  6953. return rc;
  6954. }
  6955. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6956. struct link_params *params,
  6957. u16 *edc_mode)
  6958. {
  6959. struct bnx2x *bp = params->bp;
  6960. u32 sync_offset = 0, phy_idx, media_types;
  6961. u8 val[2], check_limiting_mode = 0;
  6962. *edc_mode = EDC_MODE_LIMITING;
  6963. phy->media_type = ETH_PHY_UNSPECIFIED;
  6964. /* First check for copper cable */
  6965. if (bnx2x_read_sfp_module_eeprom(phy,
  6966. params,
  6967. SFP_EEPROM_CON_TYPE_ADDR,
  6968. 2,
  6969. (u8 *)val) != 0) {
  6970. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6971. return -EINVAL;
  6972. }
  6973. switch (val[0]) {
  6974. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6975. {
  6976. u8 copper_module_type;
  6977. phy->media_type = ETH_PHY_DA_TWINAX;
  6978. /* Check if its active cable (includes SFP+ module)
  6979. * of passive cable
  6980. */
  6981. if (bnx2x_read_sfp_module_eeprom(phy,
  6982. params,
  6983. SFP_EEPROM_FC_TX_TECH_ADDR,
  6984. 1,
  6985. &copper_module_type) != 0) {
  6986. DP(NETIF_MSG_LINK,
  6987. "Failed to read copper-cable-type"
  6988. " from SFP+ EEPROM\n");
  6989. return -EINVAL;
  6990. }
  6991. if (copper_module_type &
  6992. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6993. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6994. check_limiting_mode = 1;
  6995. } else if (copper_module_type &
  6996. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6997. DP(NETIF_MSG_LINK,
  6998. "Passive Copper cable detected\n");
  6999. *edc_mode =
  7000. EDC_MODE_PASSIVE_DAC;
  7001. } else {
  7002. DP(NETIF_MSG_LINK,
  7003. "Unknown copper-cable-type 0x%x !!!\n",
  7004. copper_module_type);
  7005. return -EINVAL;
  7006. }
  7007. break;
  7008. }
  7009. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7010. check_limiting_mode = 1;
  7011. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7012. SFP_EEPROM_COMP_CODE_LR_MASK |
  7013. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7014. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7015. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7016. phy->req_line_speed = SPEED_1000;
  7017. } else {
  7018. int idx, cfg_idx = 0;
  7019. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7020. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7021. if (params->phy[idx].type == phy->type) {
  7022. cfg_idx = LINK_CONFIG_IDX(idx);
  7023. break;
  7024. }
  7025. }
  7026. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7027. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7028. }
  7029. break;
  7030. default:
  7031. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7032. val[0]);
  7033. return -EINVAL;
  7034. }
  7035. sync_offset = params->shmem_base +
  7036. offsetof(struct shmem_region,
  7037. dev_info.port_hw_config[params->port].media_type);
  7038. media_types = REG_RD(bp, sync_offset);
  7039. /* Update media type for non-PMF sync */
  7040. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7041. if (&(params->phy[phy_idx]) == phy) {
  7042. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7043. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7044. media_types |= ((phy->media_type &
  7045. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7046. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7047. break;
  7048. }
  7049. }
  7050. REG_WR(bp, sync_offset, media_types);
  7051. if (check_limiting_mode) {
  7052. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7053. if (bnx2x_read_sfp_module_eeprom(phy,
  7054. params,
  7055. SFP_EEPROM_OPTIONS_ADDR,
  7056. SFP_EEPROM_OPTIONS_SIZE,
  7057. options) != 0) {
  7058. DP(NETIF_MSG_LINK,
  7059. "Failed to read Option field from module EEPROM\n");
  7060. return -EINVAL;
  7061. }
  7062. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7063. *edc_mode = EDC_MODE_LINEAR;
  7064. else
  7065. *edc_mode = EDC_MODE_LIMITING;
  7066. }
  7067. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7068. return 0;
  7069. }
  7070. /* This function read the relevant field from the module (SFP+), and verify it
  7071. * is compliant with this board
  7072. */
  7073. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7074. struct link_params *params)
  7075. {
  7076. struct bnx2x *bp = params->bp;
  7077. u32 val, cmd;
  7078. u32 fw_resp, fw_cmd_param;
  7079. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7080. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7081. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7082. val = REG_RD(bp, params->shmem_base +
  7083. offsetof(struct shmem_region, dev_info.
  7084. port_feature_config[params->port].config));
  7085. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7086. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7087. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7088. return 0;
  7089. }
  7090. if (params->feature_config_flags &
  7091. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7092. /* Use specific phy request */
  7093. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7094. } else if (params->feature_config_flags &
  7095. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7096. /* Use first phy request only in case of non-dual media*/
  7097. if (DUAL_MEDIA(params)) {
  7098. DP(NETIF_MSG_LINK,
  7099. "FW does not support OPT MDL verification\n");
  7100. return -EINVAL;
  7101. }
  7102. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7103. } else {
  7104. /* No support in OPT MDL detection */
  7105. DP(NETIF_MSG_LINK,
  7106. "FW does not support OPT MDL verification\n");
  7107. return -EINVAL;
  7108. }
  7109. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7110. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7111. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7112. DP(NETIF_MSG_LINK, "Approved module\n");
  7113. return 0;
  7114. }
  7115. /* Format the warning message */
  7116. if (bnx2x_read_sfp_module_eeprom(phy,
  7117. params,
  7118. SFP_EEPROM_VENDOR_NAME_ADDR,
  7119. SFP_EEPROM_VENDOR_NAME_SIZE,
  7120. (u8 *)vendor_name))
  7121. vendor_name[0] = '\0';
  7122. else
  7123. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7124. if (bnx2x_read_sfp_module_eeprom(phy,
  7125. params,
  7126. SFP_EEPROM_PART_NO_ADDR,
  7127. SFP_EEPROM_PART_NO_SIZE,
  7128. (u8 *)vendor_pn))
  7129. vendor_pn[0] = '\0';
  7130. else
  7131. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7132. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7133. " Port %d from %s part number %s\n",
  7134. params->port, vendor_name, vendor_pn);
  7135. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7136. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7137. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7138. return -EINVAL;
  7139. }
  7140. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7141. struct link_params *params)
  7142. {
  7143. u8 val;
  7144. struct bnx2x *bp = params->bp;
  7145. u16 timeout;
  7146. /* Initialization time after hot-plug may take up to 300ms for
  7147. * some phys type ( e.g. JDSU )
  7148. */
  7149. for (timeout = 0; timeout < 60; timeout++) {
  7150. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7151. == 0) {
  7152. DP(NETIF_MSG_LINK,
  7153. "SFP+ module initialization took %d ms\n",
  7154. timeout * 5);
  7155. return 0;
  7156. }
  7157. usleep_range(5000, 10000);
  7158. }
  7159. return -EINVAL;
  7160. }
  7161. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7162. struct bnx2x_phy *phy,
  7163. u8 is_power_up) {
  7164. /* Make sure GPIOs are not using for LED mode */
  7165. u16 val;
  7166. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7167. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7168. * output
  7169. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7170. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7171. * where the 1st bit is the over-current(only input), and 2nd bit is
  7172. * for power( only output )
  7173. *
  7174. * In case of NOC feature is disabled and power is up, set GPIO control
  7175. * as input to enable listening of over-current indication
  7176. */
  7177. if (phy->flags & FLAGS_NOC)
  7178. return;
  7179. if (is_power_up)
  7180. val = (1<<4);
  7181. else
  7182. /* Set GPIO control to OUTPUT, and set the power bit
  7183. * to according to the is_power_up
  7184. */
  7185. val = (1<<1);
  7186. bnx2x_cl45_write(bp, phy,
  7187. MDIO_PMA_DEVAD,
  7188. MDIO_PMA_REG_8727_GPIO_CTRL,
  7189. val);
  7190. }
  7191. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7192. struct bnx2x_phy *phy,
  7193. u16 edc_mode)
  7194. {
  7195. u16 cur_limiting_mode;
  7196. bnx2x_cl45_read(bp, phy,
  7197. MDIO_PMA_DEVAD,
  7198. MDIO_PMA_REG_ROM_VER2,
  7199. &cur_limiting_mode);
  7200. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7201. cur_limiting_mode);
  7202. if (edc_mode == EDC_MODE_LIMITING) {
  7203. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7204. bnx2x_cl45_write(bp, phy,
  7205. MDIO_PMA_DEVAD,
  7206. MDIO_PMA_REG_ROM_VER2,
  7207. EDC_MODE_LIMITING);
  7208. } else { /* LRM mode ( default )*/
  7209. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7210. /* Changing to LRM mode takes quite few seconds. So do it only
  7211. * if current mode is limiting (default is LRM)
  7212. */
  7213. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7214. return 0;
  7215. bnx2x_cl45_write(bp, phy,
  7216. MDIO_PMA_DEVAD,
  7217. MDIO_PMA_REG_LRM_MODE,
  7218. 0);
  7219. bnx2x_cl45_write(bp, phy,
  7220. MDIO_PMA_DEVAD,
  7221. MDIO_PMA_REG_ROM_VER2,
  7222. 0x128);
  7223. bnx2x_cl45_write(bp, phy,
  7224. MDIO_PMA_DEVAD,
  7225. MDIO_PMA_REG_MISC_CTRL0,
  7226. 0x4008);
  7227. bnx2x_cl45_write(bp, phy,
  7228. MDIO_PMA_DEVAD,
  7229. MDIO_PMA_REG_LRM_MODE,
  7230. 0xaaaa);
  7231. }
  7232. return 0;
  7233. }
  7234. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7235. struct bnx2x_phy *phy,
  7236. u16 edc_mode)
  7237. {
  7238. u16 phy_identifier;
  7239. u16 rom_ver2_val;
  7240. bnx2x_cl45_read(bp, phy,
  7241. MDIO_PMA_DEVAD,
  7242. MDIO_PMA_REG_PHY_IDENTIFIER,
  7243. &phy_identifier);
  7244. bnx2x_cl45_write(bp, phy,
  7245. MDIO_PMA_DEVAD,
  7246. MDIO_PMA_REG_PHY_IDENTIFIER,
  7247. (phy_identifier & ~(1<<9)));
  7248. bnx2x_cl45_read(bp, phy,
  7249. MDIO_PMA_DEVAD,
  7250. MDIO_PMA_REG_ROM_VER2,
  7251. &rom_ver2_val);
  7252. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7253. bnx2x_cl45_write(bp, phy,
  7254. MDIO_PMA_DEVAD,
  7255. MDIO_PMA_REG_ROM_VER2,
  7256. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7257. bnx2x_cl45_write(bp, phy,
  7258. MDIO_PMA_DEVAD,
  7259. MDIO_PMA_REG_PHY_IDENTIFIER,
  7260. (phy_identifier | (1<<9)));
  7261. return 0;
  7262. }
  7263. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7264. struct link_params *params,
  7265. u32 action)
  7266. {
  7267. struct bnx2x *bp = params->bp;
  7268. switch (action) {
  7269. case DISABLE_TX:
  7270. bnx2x_sfp_set_transmitter(params, phy, 0);
  7271. break;
  7272. case ENABLE_TX:
  7273. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7274. bnx2x_sfp_set_transmitter(params, phy, 1);
  7275. break;
  7276. default:
  7277. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7278. action);
  7279. return;
  7280. }
  7281. }
  7282. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7283. u8 gpio_mode)
  7284. {
  7285. struct bnx2x *bp = params->bp;
  7286. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7287. offsetof(struct shmem_region,
  7288. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7289. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7290. switch (fault_led_gpio) {
  7291. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7292. return;
  7293. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7294. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7295. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7296. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7297. {
  7298. u8 gpio_port = bnx2x_get_gpio_port(params);
  7299. u16 gpio_pin = fault_led_gpio -
  7300. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7301. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7302. "pin %x port %x mode %x\n",
  7303. gpio_pin, gpio_port, gpio_mode);
  7304. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7305. }
  7306. break;
  7307. default:
  7308. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7309. fault_led_gpio);
  7310. }
  7311. }
  7312. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7313. u8 gpio_mode)
  7314. {
  7315. u32 pin_cfg;
  7316. u8 port = params->port;
  7317. struct bnx2x *bp = params->bp;
  7318. pin_cfg = (REG_RD(bp, params->shmem_base +
  7319. offsetof(struct shmem_region,
  7320. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7321. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7322. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7323. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7324. gpio_mode, pin_cfg);
  7325. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7326. }
  7327. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7328. u8 gpio_mode)
  7329. {
  7330. struct bnx2x *bp = params->bp;
  7331. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7332. if (CHIP_IS_E3(bp)) {
  7333. /* Low ==> if SFP+ module is supported otherwise
  7334. * High ==> if SFP+ module is not on the approved vendor list
  7335. */
  7336. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7337. } else
  7338. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7339. }
  7340. static void bnx2x_warpcore_power_module(struct link_params *params,
  7341. struct bnx2x_phy *phy,
  7342. u8 power)
  7343. {
  7344. u32 pin_cfg;
  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[params->port].e3_sfp_ctrl)) &
  7349. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7350. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7351. if (pin_cfg == PIN_CFG_NA)
  7352. return;
  7353. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7354. power, pin_cfg);
  7355. /* Low ==> corresponding SFP+ module is powered
  7356. * high ==> the SFP+ module is powered down
  7357. */
  7358. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7359. }
  7360. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7361. struct link_params *params)
  7362. {
  7363. struct bnx2x *bp = params->bp;
  7364. bnx2x_warpcore_power_module(params, phy, 0);
  7365. /* Put Warpcore in low power mode */
  7366. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7367. /* Put LCPLL in low power mode */
  7368. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7369. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7370. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7371. }
  7372. static void bnx2x_power_sfp_module(struct link_params *params,
  7373. struct bnx2x_phy *phy,
  7374. u8 power)
  7375. {
  7376. struct bnx2x *bp = params->bp;
  7377. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7378. switch (phy->type) {
  7379. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7380. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7381. bnx2x_8727_power_module(params->bp, phy, power);
  7382. break;
  7383. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7384. bnx2x_warpcore_power_module(params, phy, power);
  7385. break;
  7386. default:
  7387. break;
  7388. }
  7389. }
  7390. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7391. struct bnx2x_phy *phy,
  7392. u16 edc_mode)
  7393. {
  7394. u16 val = 0;
  7395. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7396. struct bnx2x *bp = params->bp;
  7397. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7398. /* This is a global register which controls all lanes */
  7399. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7400. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7401. val &= ~(0xf << (lane << 2));
  7402. switch (edc_mode) {
  7403. case EDC_MODE_LINEAR:
  7404. case EDC_MODE_LIMITING:
  7405. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7406. break;
  7407. case EDC_MODE_PASSIVE_DAC:
  7408. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7409. break;
  7410. default:
  7411. break;
  7412. }
  7413. val |= (mode << (lane << 2));
  7414. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7415. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7416. /* A must read */
  7417. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7418. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7419. /* Restart microcode to re-read the new mode */
  7420. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7421. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7422. }
  7423. static void bnx2x_set_limiting_mode(struct link_params *params,
  7424. struct bnx2x_phy *phy,
  7425. u16 edc_mode)
  7426. {
  7427. switch (phy->type) {
  7428. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7429. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7430. break;
  7431. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7432. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7433. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7434. break;
  7435. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7436. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7437. break;
  7438. }
  7439. }
  7440. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7441. struct link_params *params)
  7442. {
  7443. struct bnx2x *bp = params->bp;
  7444. u16 edc_mode;
  7445. int rc = 0;
  7446. u32 val = REG_RD(bp, params->shmem_base +
  7447. offsetof(struct shmem_region, dev_info.
  7448. port_feature_config[params->port].config));
  7449. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7450. params->port);
  7451. /* Power up module */
  7452. bnx2x_power_sfp_module(params, phy, 1);
  7453. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7454. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7455. return -EINVAL;
  7456. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7457. /* Check SFP+ module compatibility */
  7458. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7459. rc = -EINVAL;
  7460. /* Turn on fault module-detected led */
  7461. bnx2x_set_sfp_module_fault_led(params,
  7462. MISC_REGISTERS_GPIO_HIGH);
  7463. /* Check if need to power down the SFP+ module */
  7464. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7465. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7466. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7467. bnx2x_power_sfp_module(params, phy, 0);
  7468. return rc;
  7469. }
  7470. } else {
  7471. /* Turn off fault module-detected led */
  7472. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7473. }
  7474. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7475. * is done automatically
  7476. */
  7477. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7478. /* Enable transmit for this module if the module is approved, or
  7479. * if unapproved modules should also enable the Tx laser
  7480. */
  7481. if (rc == 0 ||
  7482. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7483. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7484. bnx2x_sfp_set_transmitter(params, phy, 1);
  7485. else
  7486. bnx2x_sfp_set_transmitter(params, phy, 0);
  7487. return rc;
  7488. }
  7489. void bnx2x_handle_module_detect_int(struct link_params *params)
  7490. {
  7491. struct bnx2x *bp = params->bp;
  7492. struct bnx2x_phy *phy;
  7493. u32 gpio_val;
  7494. u8 gpio_num, gpio_port;
  7495. if (CHIP_IS_E3(bp))
  7496. phy = &params->phy[INT_PHY];
  7497. else
  7498. phy = &params->phy[EXT_PHY1];
  7499. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7500. params->port, &gpio_num, &gpio_port) ==
  7501. -EINVAL) {
  7502. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7503. return;
  7504. }
  7505. /* Set valid module led off */
  7506. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7507. /* Get current gpio val reflecting module plugged in / out*/
  7508. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7509. /* Call the handling function in case module is detected */
  7510. if (gpio_val == 0) {
  7511. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7512. bnx2x_set_aer_mmd(params, phy);
  7513. bnx2x_power_sfp_module(params, phy, 1);
  7514. bnx2x_set_gpio_int(bp, gpio_num,
  7515. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7516. gpio_port);
  7517. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7518. bnx2x_sfp_module_detection(phy, params);
  7519. if (CHIP_IS_E3(bp)) {
  7520. u16 rx_tx_in_reset;
  7521. /* In case WC is out of reset, reconfigure the
  7522. * link speed while taking into account 1G
  7523. * module limitation.
  7524. */
  7525. bnx2x_cl45_read(bp, phy,
  7526. MDIO_WC_DEVAD,
  7527. MDIO_WC_REG_DIGITAL5_MISC6,
  7528. &rx_tx_in_reset);
  7529. if (!rx_tx_in_reset) {
  7530. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7531. bnx2x_warpcore_config_sfi(phy, params);
  7532. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7533. }
  7534. }
  7535. } else {
  7536. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7537. }
  7538. } else {
  7539. u32 val = REG_RD(bp, params->shmem_base +
  7540. offsetof(struct shmem_region, dev_info.
  7541. port_feature_config[params->port].
  7542. config));
  7543. bnx2x_set_gpio_int(bp, gpio_num,
  7544. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7545. gpio_port);
  7546. /* Module was plugged out.
  7547. * Disable transmit for this module
  7548. */
  7549. phy->media_type = ETH_PHY_NOT_PRESENT;
  7550. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7551. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7552. CHIP_IS_E3(bp))
  7553. bnx2x_sfp_set_transmitter(params, phy, 0);
  7554. }
  7555. }
  7556. /******************************************************************/
  7557. /* Used by 8706 and 8727 */
  7558. /******************************************************************/
  7559. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7560. struct bnx2x_phy *phy,
  7561. u16 alarm_status_offset,
  7562. u16 alarm_ctrl_offset)
  7563. {
  7564. u16 alarm_status, val;
  7565. bnx2x_cl45_read(bp, phy,
  7566. MDIO_PMA_DEVAD, alarm_status_offset,
  7567. &alarm_status);
  7568. bnx2x_cl45_read(bp, phy,
  7569. MDIO_PMA_DEVAD, alarm_status_offset,
  7570. &alarm_status);
  7571. /* Mask or enable the fault event. */
  7572. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7573. if (alarm_status & (1<<0))
  7574. val &= ~(1<<0);
  7575. else
  7576. val |= (1<<0);
  7577. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7578. }
  7579. /******************************************************************/
  7580. /* common BCM8706/BCM8726 PHY SECTION */
  7581. /******************************************************************/
  7582. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7583. struct link_params *params,
  7584. struct link_vars *vars)
  7585. {
  7586. u8 link_up = 0;
  7587. u16 val1, val2, rx_sd, pcs_status;
  7588. struct bnx2x *bp = params->bp;
  7589. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7590. /* Clear RX Alarm*/
  7591. bnx2x_cl45_read(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7593. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7594. MDIO_PMA_LASI_TXCTRL);
  7595. /* Clear LASI indication*/
  7596. bnx2x_cl45_read(bp, phy,
  7597. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7598. bnx2x_cl45_read(bp, phy,
  7599. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7600. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7601. bnx2x_cl45_read(bp, phy,
  7602. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7603. bnx2x_cl45_read(bp, phy,
  7604. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7605. bnx2x_cl45_read(bp, phy,
  7606. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7607. bnx2x_cl45_read(bp, phy,
  7608. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7609. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7610. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7611. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7612. * are set, or if the autoneg bit 1 is set
  7613. */
  7614. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7615. if (link_up) {
  7616. if (val2 & (1<<1))
  7617. vars->line_speed = SPEED_1000;
  7618. else
  7619. vars->line_speed = SPEED_10000;
  7620. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7621. vars->duplex = DUPLEX_FULL;
  7622. }
  7623. /* Capture 10G link fault. Read twice to clear stale value. */
  7624. if (vars->line_speed == SPEED_10000) {
  7625. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7626. MDIO_PMA_LASI_TXSTAT, &val1);
  7627. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7628. MDIO_PMA_LASI_TXSTAT, &val1);
  7629. if (val1 & (1<<0))
  7630. vars->fault_detected = 1;
  7631. }
  7632. return link_up;
  7633. }
  7634. /******************************************************************/
  7635. /* BCM8706 PHY SECTION */
  7636. /******************************************************************/
  7637. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7638. struct link_params *params,
  7639. struct link_vars *vars)
  7640. {
  7641. u32 tx_en_mode;
  7642. u16 cnt, val, tmp1;
  7643. struct bnx2x *bp = params->bp;
  7644. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7645. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7646. /* HW reset */
  7647. bnx2x_ext_phy_hw_reset(bp, params->port);
  7648. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7649. bnx2x_wait_reset_complete(bp, phy, params);
  7650. /* Wait until fw is loaded */
  7651. for (cnt = 0; cnt < 100; cnt++) {
  7652. bnx2x_cl45_read(bp, phy,
  7653. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7654. if (val)
  7655. break;
  7656. usleep_range(10000, 20000);
  7657. }
  7658. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7659. if ((params->feature_config_flags &
  7660. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7661. u8 i;
  7662. u16 reg;
  7663. for (i = 0; i < 4; i++) {
  7664. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7665. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7666. MDIO_XS_8706_REG_BANK_RX0);
  7667. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7668. /* Clear first 3 bits of the control */
  7669. val &= ~0x7;
  7670. /* Set control bits according to configuration */
  7671. val |= (phy->rx_preemphasis[i] & 0x7);
  7672. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7673. " reg 0x%x <-- val 0x%x\n", reg, val);
  7674. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7675. }
  7676. }
  7677. /* Force speed */
  7678. if (phy->req_line_speed == SPEED_10000) {
  7679. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7680. bnx2x_cl45_write(bp, phy,
  7681. MDIO_PMA_DEVAD,
  7682. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7683. bnx2x_cl45_write(bp, phy,
  7684. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7685. 0);
  7686. /* Arm LASI for link and Tx fault. */
  7687. bnx2x_cl45_write(bp, phy,
  7688. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7689. } else {
  7690. /* Force 1Gbps using autoneg with 1G advertisement */
  7691. /* Allow CL37 through CL73 */
  7692. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7693. bnx2x_cl45_write(bp, phy,
  7694. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7695. /* Enable Full-Duplex advertisement on CL37 */
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7698. /* Enable CL37 AN */
  7699. bnx2x_cl45_write(bp, phy,
  7700. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7701. /* 1G support */
  7702. bnx2x_cl45_write(bp, phy,
  7703. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7704. /* Enable clause 73 AN */
  7705. bnx2x_cl45_write(bp, phy,
  7706. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7709. 0x0400);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7712. 0x0004);
  7713. }
  7714. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7715. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7716. * power mode, if TX Laser is disabled
  7717. */
  7718. tx_en_mode = REG_RD(bp, params->shmem_base +
  7719. offsetof(struct shmem_region,
  7720. dev_info.port_hw_config[params->port].sfp_ctrl))
  7721. & PORT_HW_CFG_TX_LASER_MASK;
  7722. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7723. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7724. bnx2x_cl45_read(bp, phy,
  7725. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7726. tmp1 |= 0x1;
  7727. bnx2x_cl45_write(bp, phy,
  7728. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7729. }
  7730. return 0;
  7731. }
  7732. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7733. struct link_params *params,
  7734. struct link_vars *vars)
  7735. {
  7736. return bnx2x_8706_8726_read_status(phy, params, vars);
  7737. }
  7738. /******************************************************************/
  7739. /* BCM8726 PHY SECTION */
  7740. /******************************************************************/
  7741. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7742. struct link_params *params)
  7743. {
  7744. struct bnx2x *bp = params->bp;
  7745. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7746. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7747. }
  7748. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7749. struct link_params *params)
  7750. {
  7751. struct bnx2x *bp = params->bp;
  7752. /* Need to wait 100ms after reset */
  7753. msleep(100);
  7754. /* Micro controller re-boot */
  7755. bnx2x_cl45_write(bp, phy,
  7756. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7757. /* Set soft reset */
  7758. bnx2x_cl45_write(bp, phy,
  7759. MDIO_PMA_DEVAD,
  7760. MDIO_PMA_REG_GEN_CTRL,
  7761. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7762. bnx2x_cl45_write(bp, phy,
  7763. MDIO_PMA_DEVAD,
  7764. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7765. bnx2x_cl45_write(bp, phy,
  7766. MDIO_PMA_DEVAD,
  7767. MDIO_PMA_REG_GEN_CTRL,
  7768. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7769. /* Wait for 150ms for microcode load */
  7770. msleep(150);
  7771. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7772. bnx2x_cl45_write(bp, phy,
  7773. MDIO_PMA_DEVAD,
  7774. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7775. msleep(200);
  7776. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7777. }
  7778. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7779. struct link_params *params,
  7780. struct link_vars *vars)
  7781. {
  7782. struct bnx2x *bp = params->bp;
  7783. u16 val1;
  7784. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7785. if (link_up) {
  7786. bnx2x_cl45_read(bp, phy,
  7787. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7788. &val1);
  7789. if (val1 & (1<<15)) {
  7790. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7791. link_up = 0;
  7792. vars->line_speed = 0;
  7793. }
  7794. }
  7795. return link_up;
  7796. }
  7797. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7798. struct link_params *params,
  7799. struct link_vars *vars)
  7800. {
  7801. struct bnx2x *bp = params->bp;
  7802. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7803. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7804. bnx2x_wait_reset_complete(bp, phy, params);
  7805. bnx2x_8726_external_rom_boot(phy, params);
  7806. /* Need to call module detected on initialization since the module
  7807. * detection triggered by actual module insertion might occur before
  7808. * driver is loaded, and when driver is loaded, it reset all
  7809. * registers, including the transmitter
  7810. */
  7811. bnx2x_sfp_module_detection(phy, params);
  7812. if (phy->req_line_speed == SPEED_1000) {
  7813. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7814. bnx2x_cl45_write(bp, phy,
  7815. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7816. bnx2x_cl45_write(bp, phy,
  7817. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7818. bnx2x_cl45_write(bp, phy,
  7819. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7820. bnx2x_cl45_write(bp, phy,
  7821. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7822. 0x400);
  7823. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7824. (phy->speed_cap_mask &
  7825. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7826. ((phy->speed_cap_mask &
  7827. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7828. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7829. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7830. /* Set Flow control */
  7831. bnx2x_ext_phy_set_pause(params, phy, vars);
  7832. bnx2x_cl45_write(bp, phy,
  7833. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7836. bnx2x_cl45_write(bp, phy,
  7837. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7838. bnx2x_cl45_write(bp, phy,
  7839. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7840. bnx2x_cl45_write(bp, phy,
  7841. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7842. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7843. * change
  7844. */
  7845. bnx2x_cl45_write(bp, phy,
  7846. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7847. bnx2x_cl45_write(bp, phy,
  7848. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7849. 0x400);
  7850. } else { /* Default 10G. Set only LASI control */
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7853. }
  7854. /* Set TX PreEmphasis if needed */
  7855. if ((params->feature_config_flags &
  7856. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7857. DP(NETIF_MSG_LINK,
  7858. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7859. phy->tx_preemphasis[0],
  7860. phy->tx_preemphasis[1]);
  7861. bnx2x_cl45_write(bp, phy,
  7862. MDIO_PMA_DEVAD,
  7863. MDIO_PMA_REG_8726_TX_CTRL1,
  7864. phy->tx_preemphasis[0]);
  7865. bnx2x_cl45_write(bp, phy,
  7866. MDIO_PMA_DEVAD,
  7867. MDIO_PMA_REG_8726_TX_CTRL2,
  7868. phy->tx_preemphasis[1]);
  7869. }
  7870. return 0;
  7871. }
  7872. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7873. struct link_params *params)
  7874. {
  7875. struct bnx2x *bp = params->bp;
  7876. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7877. /* Set serial boot control for external load */
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_PMA_DEVAD,
  7880. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7881. }
  7882. /******************************************************************/
  7883. /* BCM8727 PHY SECTION */
  7884. /******************************************************************/
  7885. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7886. struct link_params *params, u8 mode)
  7887. {
  7888. struct bnx2x *bp = params->bp;
  7889. u16 led_mode_bitmask = 0;
  7890. u16 gpio_pins_bitmask = 0;
  7891. u16 val;
  7892. /* Only NOC flavor requires to set the LED specifically */
  7893. if (!(phy->flags & FLAGS_NOC))
  7894. return;
  7895. switch (mode) {
  7896. case LED_MODE_FRONT_PANEL_OFF:
  7897. case LED_MODE_OFF:
  7898. led_mode_bitmask = 0;
  7899. gpio_pins_bitmask = 0x03;
  7900. break;
  7901. case LED_MODE_ON:
  7902. led_mode_bitmask = 0;
  7903. gpio_pins_bitmask = 0x02;
  7904. break;
  7905. case LED_MODE_OPER:
  7906. led_mode_bitmask = 0x60;
  7907. gpio_pins_bitmask = 0x11;
  7908. break;
  7909. }
  7910. bnx2x_cl45_read(bp, phy,
  7911. MDIO_PMA_DEVAD,
  7912. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7913. &val);
  7914. val &= 0xff8f;
  7915. val |= led_mode_bitmask;
  7916. bnx2x_cl45_write(bp, phy,
  7917. MDIO_PMA_DEVAD,
  7918. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7919. val);
  7920. bnx2x_cl45_read(bp, phy,
  7921. MDIO_PMA_DEVAD,
  7922. MDIO_PMA_REG_8727_GPIO_CTRL,
  7923. &val);
  7924. val &= 0xffe0;
  7925. val |= gpio_pins_bitmask;
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD,
  7928. MDIO_PMA_REG_8727_GPIO_CTRL,
  7929. val);
  7930. }
  7931. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7932. struct link_params *params) {
  7933. u32 swap_val, swap_override;
  7934. u8 port;
  7935. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7936. * to cancel the swap done in set_gpio()
  7937. */
  7938. struct bnx2x *bp = params->bp;
  7939. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7940. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7941. port = (swap_val && swap_override) ^ 1;
  7942. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7943. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7944. }
  7945. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7946. struct link_params *params)
  7947. {
  7948. struct bnx2x *bp = params->bp;
  7949. u16 tmp1, val;
  7950. /* Set option 1G speed */
  7951. if ((phy->req_line_speed == SPEED_1000) ||
  7952. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7953. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7954. bnx2x_cl45_write(bp, phy,
  7955. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7956. bnx2x_cl45_write(bp, phy,
  7957. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7958. bnx2x_cl45_read(bp, phy,
  7959. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7960. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7961. /* Power down the XAUI until link is up in case of dual-media
  7962. * and 1G
  7963. */
  7964. if (DUAL_MEDIA(params)) {
  7965. bnx2x_cl45_read(bp, phy,
  7966. MDIO_PMA_DEVAD,
  7967. MDIO_PMA_REG_8727_PCS_GP, &val);
  7968. val |= (3<<10);
  7969. bnx2x_cl45_write(bp, phy,
  7970. MDIO_PMA_DEVAD,
  7971. MDIO_PMA_REG_8727_PCS_GP, val);
  7972. }
  7973. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7974. ((phy->speed_cap_mask &
  7975. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7976. ((phy->speed_cap_mask &
  7977. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7978. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7979. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7980. bnx2x_cl45_write(bp, phy,
  7981. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7982. bnx2x_cl45_write(bp, phy,
  7983. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7984. } else {
  7985. /* Since the 8727 has only single reset pin, need to set the 10G
  7986. * registers although it is default
  7987. */
  7988. bnx2x_cl45_write(bp, phy,
  7989. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7990. 0x0020);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7993. bnx2x_cl45_write(bp, phy,
  7994. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7997. 0x0008);
  7998. }
  7999. }
  8000. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8001. struct link_params *params,
  8002. struct link_vars *vars)
  8003. {
  8004. u32 tx_en_mode;
  8005. u16 tmp1, val, mod_abs, tmp2;
  8006. u16 rx_alarm_ctrl_val;
  8007. u16 lasi_ctrl_val;
  8008. struct bnx2x *bp = params->bp;
  8009. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8010. bnx2x_wait_reset_complete(bp, phy, params);
  8011. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  8012. /* Should be 0x6 to enable XS on Tx side. */
  8013. lasi_ctrl_val = 0x0006;
  8014. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8015. /* Enable LASI */
  8016. bnx2x_cl45_write(bp, phy,
  8017. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8018. rx_alarm_ctrl_val);
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  8021. 0);
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  8024. /* Initially configure MOD_ABS to interrupt when module is
  8025. * presence( bit 8)
  8026. */
  8027. bnx2x_cl45_read(bp, phy,
  8028. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8029. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8030. * When the EDC is off it locks onto a reference clock and avoids
  8031. * becoming 'lost'
  8032. */
  8033. mod_abs &= ~(1<<8);
  8034. if (!(phy->flags & FLAGS_NOC))
  8035. mod_abs &= ~(1<<9);
  8036. bnx2x_cl45_write(bp, phy,
  8037. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8038. /* Enable/Disable PHY transmitter output */
  8039. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8040. /* Make MOD_ABS give interrupt on change */
  8041. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8042. &val);
  8043. val |= (1<<12);
  8044. if (phy->flags & FLAGS_NOC)
  8045. val |= (3<<5);
  8046. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  8047. * status which reflect SFP+ module over-current
  8048. */
  8049. if (!(phy->flags & FLAGS_NOC))
  8050. val &= 0xff8f; /* Reset bits 4-6 */
  8051. bnx2x_cl45_write(bp, phy,
  8052. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  8053. bnx2x_8727_power_module(bp, phy, 1);
  8054. bnx2x_cl45_read(bp, phy,
  8055. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8056. bnx2x_cl45_read(bp, phy,
  8057. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8058. bnx2x_8727_config_speed(phy, params);
  8059. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8060. * to 100Khz since some DACs(direct attached cables) do
  8061. * not work at 400Khz.
  8062. */
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8065. 0xa001);
  8066. /* Set TX PreEmphasis if needed */
  8067. if ((params->feature_config_flags &
  8068. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8069. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8070. phy->tx_preemphasis[0],
  8071. phy->tx_preemphasis[1]);
  8072. bnx2x_cl45_write(bp, phy,
  8073. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8074. phy->tx_preemphasis[0]);
  8075. bnx2x_cl45_write(bp, phy,
  8076. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8077. phy->tx_preemphasis[1]);
  8078. }
  8079. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8080. * power mode, if TX Laser is disabled
  8081. */
  8082. tx_en_mode = REG_RD(bp, params->shmem_base +
  8083. offsetof(struct shmem_region,
  8084. dev_info.port_hw_config[params->port].sfp_ctrl))
  8085. & PORT_HW_CFG_TX_LASER_MASK;
  8086. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8087. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8088. bnx2x_cl45_read(bp, phy,
  8089. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8090. tmp2 |= 0x1000;
  8091. tmp2 &= 0xFFEF;
  8092. bnx2x_cl45_write(bp, phy,
  8093. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8094. bnx2x_cl45_read(bp, phy,
  8095. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8096. &tmp2);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8099. (tmp2 & 0x7fff));
  8100. }
  8101. return 0;
  8102. }
  8103. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8104. struct link_params *params)
  8105. {
  8106. struct bnx2x *bp = params->bp;
  8107. u16 mod_abs, rx_alarm_status;
  8108. u32 val = REG_RD(bp, params->shmem_base +
  8109. offsetof(struct shmem_region, dev_info.
  8110. port_feature_config[params->port].
  8111. config));
  8112. bnx2x_cl45_read(bp, phy,
  8113. MDIO_PMA_DEVAD,
  8114. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8115. if (mod_abs & (1<<8)) {
  8116. /* Module is absent */
  8117. DP(NETIF_MSG_LINK,
  8118. "MOD_ABS indication show module is absent\n");
  8119. phy->media_type = ETH_PHY_NOT_PRESENT;
  8120. /* 1. Set mod_abs to detect next module
  8121. * presence event
  8122. * 2. Set EDC off by setting OPTXLOS signal input to low
  8123. * (bit 9).
  8124. * When the EDC is off it locks onto a reference clock and
  8125. * avoids becoming 'lost'.
  8126. */
  8127. mod_abs &= ~(1<<8);
  8128. if (!(phy->flags & FLAGS_NOC))
  8129. mod_abs &= ~(1<<9);
  8130. bnx2x_cl45_write(bp, phy,
  8131. MDIO_PMA_DEVAD,
  8132. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8133. /* Clear RX alarm since it stays up as long as
  8134. * the mod_abs wasn't changed
  8135. */
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD,
  8138. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8139. } else {
  8140. /* Module is present */
  8141. DP(NETIF_MSG_LINK,
  8142. "MOD_ABS indication show module is present\n");
  8143. /* First disable transmitter, and if the module is ok, the
  8144. * module_detection will enable it
  8145. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8146. * 2. Restore the default polarity of the OPRXLOS signal and
  8147. * this signal will then correctly indicate the presence or
  8148. * absence of the Rx signal. (bit 9)
  8149. */
  8150. mod_abs |= (1<<8);
  8151. if (!(phy->flags & FLAGS_NOC))
  8152. mod_abs |= (1<<9);
  8153. bnx2x_cl45_write(bp, phy,
  8154. MDIO_PMA_DEVAD,
  8155. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8156. /* Clear RX alarm since it stays up as long as the mod_abs
  8157. * wasn't changed. This is need to be done before calling the
  8158. * module detection, otherwise it will clear* the link update
  8159. * alarm
  8160. */
  8161. bnx2x_cl45_read(bp, phy,
  8162. MDIO_PMA_DEVAD,
  8163. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8164. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8165. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8166. bnx2x_sfp_set_transmitter(params, phy, 0);
  8167. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8168. bnx2x_sfp_module_detection(phy, params);
  8169. else
  8170. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8171. /* Reconfigure link speed based on module type limitations */
  8172. bnx2x_8727_config_speed(phy, params);
  8173. }
  8174. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8175. rx_alarm_status);
  8176. /* No need to check link status in case of module plugged in/out */
  8177. }
  8178. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8179. struct link_params *params,
  8180. struct link_vars *vars)
  8181. {
  8182. struct bnx2x *bp = params->bp;
  8183. u8 link_up = 0, oc_port = params->port;
  8184. u16 link_status = 0;
  8185. u16 rx_alarm_status, lasi_ctrl, val1;
  8186. /* If PHY is not initialized, do not check link status */
  8187. bnx2x_cl45_read(bp, phy,
  8188. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8189. &lasi_ctrl);
  8190. if (!lasi_ctrl)
  8191. return 0;
  8192. /* Check the LASI on Rx */
  8193. bnx2x_cl45_read(bp, phy,
  8194. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8195. &rx_alarm_status);
  8196. vars->line_speed = 0;
  8197. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8198. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8199. MDIO_PMA_LASI_TXCTRL);
  8200. bnx2x_cl45_read(bp, phy,
  8201. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8202. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8203. /* Clear MSG-OUT */
  8204. bnx2x_cl45_read(bp, phy,
  8205. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8206. /* If a module is present and there is need to check
  8207. * for over current
  8208. */
  8209. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8210. /* Check over-current using 8727 GPIO0 input*/
  8211. bnx2x_cl45_read(bp, phy,
  8212. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8213. &val1);
  8214. if ((val1 & (1<<8)) == 0) {
  8215. if (!CHIP_IS_E1x(bp))
  8216. oc_port = BP_PATH(bp) + (params->port << 1);
  8217. DP(NETIF_MSG_LINK,
  8218. "8727 Power fault has been detected on port %d\n",
  8219. oc_port);
  8220. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8221. "been detected and the power to "
  8222. "that SFP+ module has been removed "
  8223. "to prevent failure of the card. "
  8224. "Please remove the SFP+ module and "
  8225. "restart the system to clear this "
  8226. "error.\n",
  8227. oc_port);
  8228. /* Disable all RX_ALARMs except for mod_abs */
  8229. bnx2x_cl45_write(bp, phy,
  8230. MDIO_PMA_DEVAD,
  8231. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8232. bnx2x_cl45_read(bp, phy,
  8233. MDIO_PMA_DEVAD,
  8234. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8235. /* Wait for module_absent_event */
  8236. val1 |= (1<<8);
  8237. bnx2x_cl45_write(bp, phy,
  8238. MDIO_PMA_DEVAD,
  8239. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8240. /* Clear RX alarm */
  8241. bnx2x_cl45_read(bp, phy,
  8242. MDIO_PMA_DEVAD,
  8243. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8244. return 0;
  8245. }
  8246. } /* Over current check */
  8247. /* When module absent bit is set, check module */
  8248. if (rx_alarm_status & (1<<5)) {
  8249. bnx2x_8727_handle_mod_abs(phy, params);
  8250. /* Enable all mod_abs and link detection bits */
  8251. bnx2x_cl45_write(bp, phy,
  8252. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8253. ((1<<5) | (1<<2)));
  8254. }
  8255. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8256. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8257. bnx2x_sfp_set_transmitter(params, phy, 1);
  8258. } else {
  8259. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8260. return 0;
  8261. }
  8262. bnx2x_cl45_read(bp, phy,
  8263. MDIO_PMA_DEVAD,
  8264. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8265. /* Bits 0..2 --> speed detected,
  8266. * Bits 13..15--> link is down
  8267. */
  8268. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8269. link_up = 1;
  8270. vars->line_speed = SPEED_10000;
  8271. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8272. params->port);
  8273. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8274. link_up = 1;
  8275. vars->line_speed = SPEED_1000;
  8276. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8277. params->port);
  8278. } else {
  8279. link_up = 0;
  8280. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8281. params->port);
  8282. }
  8283. /* Capture 10G link fault. */
  8284. if (vars->line_speed == SPEED_10000) {
  8285. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8286. MDIO_PMA_LASI_TXSTAT, &val1);
  8287. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8288. MDIO_PMA_LASI_TXSTAT, &val1);
  8289. if (val1 & (1<<0)) {
  8290. vars->fault_detected = 1;
  8291. }
  8292. }
  8293. if (link_up) {
  8294. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8295. vars->duplex = DUPLEX_FULL;
  8296. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8297. }
  8298. if ((DUAL_MEDIA(params)) &&
  8299. (phy->req_line_speed == SPEED_1000)) {
  8300. bnx2x_cl45_read(bp, phy,
  8301. MDIO_PMA_DEVAD,
  8302. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8303. /* In case of dual-media board and 1G, power up the XAUI side,
  8304. * otherwise power it down. For 10G it is done automatically
  8305. */
  8306. if (link_up)
  8307. val1 &= ~(3<<10);
  8308. else
  8309. val1 |= (3<<10);
  8310. bnx2x_cl45_write(bp, phy,
  8311. MDIO_PMA_DEVAD,
  8312. MDIO_PMA_REG_8727_PCS_GP, val1);
  8313. }
  8314. return link_up;
  8315. }
  8316. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8317. struct link_params *params)
  8318. {
  8319. struct bnx2x *bp = params->bp;
  8320. /* Enable/Disable PHY transmitter output */
  8321. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8322. /* Disable Transmitter */
  8323. bnx2x_sfp_set_transmitter(params, phy, 0);
  8324. /* Clear LASI */
  8325. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8326. }
  8327. /******************************************************************/
  8328. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8329. /******************************************************************/
  8330. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8331. struct bnx2x *bp,
  8332. u8 port)
  8333. {
  8334. u16 val, fw_ver1, fw_ver2, cnt;
  8335. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8336. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8337. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8338. phy->ver_addr);
  8339. } else {
  8340. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8341. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8342. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8343. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8344. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8345. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8346. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8347. for (cnt = 0; cnt < 100; cnt++) {
  8348. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8349. if (val & 1)
  8350. break;
  8351. udelay(5);
  8352. }
  8353. if (cnt == 100) {
  8354. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8355. "phy fw version(1)\n");
  8356. bnx2x_save_spirom_version(bp, port, 0,
  8357. phy->ver_addr);
  8358. return;
  8359. }
  8360. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8361. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8362. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8363. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8364. for (cnt = 0; cnt < 100; cnt++) {
  8365. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8366. if (val & 1)
  8367. break;
  8368. udelay(5);
  8369. }
  8370. if (cnt == 100) {
  8371. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8372. "version(2)\n");
  8373. bnx2x_save_spirom_version(bp, port, 0,
  8374. phy->ver_addr);
  8375. return;
  8376. }
  8377. /* lower 16 bits of the register SPI_FW_STATUS */
  8378. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8379. /* upper 16 bits of register SPI_FW_STATUS */
  8380. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8381. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8382. phy->ver_addr);
  8383. }
  8384. }
  8385. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8386. struct bnx2x_phy *phy)
  8387. {
  8388. u16 val, offset;
  8389. /* PHYC_CTL_LED_CTL */
  8390. bnx2x_cl45_read(bp, phy,
  8391. MDIO_PMA_DEVAD,
  8392. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8393. val &= 0xFE00;
  8394. val |= 0x0092;
  8395. bnx2x_cl45_write(bp, phy,
  8396. MDIO_PMA_DEVAD,
  8397. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8398. bnx2x_cl45_write(bp, phy,
  8399. MDIO_PMA_DEVAD,
  8400. MDIO_PMA_REG_8481_LED1_MASK,
  8401. 0x80);
  8402. bnx2x_cl45_write(bp, phy,
  8403. MDIO_PMA_DEVAD,
  8404. MDIO_PMA_REG_8481_LED2_MASK,
  8405. 0x18);
  8406. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8407. bnx2x_cl45_write(bp, phy,
  8408. MDIO_PMA_DEVAD,
  8409. MDIO_PMA_REG_8481_LED3_MASK,
  8410. 0x0006);
  8411. /* Select the closest activity blink rate to that in 10/100/1000 */
  8412. bnx2x_cl45_write(bp, phy,
  8413. MDIO_PMA_DEVAD,
  8414. MDIO_PMA_REG_8481_LED3_BLINK,
  8415. 0);
  8416. /* Configure the blink rate to ~15.9 Hz */
  8417. bnx2x_cl45_write(bp, phy,
  8418. MDIO_PMA_DEVAD,
  8419. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8420. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8421. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8422. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8423. else
  8424. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8425. bnx2x_cl45_read(bp, phy,
  8426. MDIO_PMA_DEVAD, offset, &val);
  8427. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8428. bnx2x_cl45_write(bp, phy,
  8429. MDIO_PMA_DEVAD, offset, val);
  8430. /* 'Interrupt Mask' */
  8431. bnx2x_cl45_write(bp, phy,
  8432. MDIO_AN_DEVAD,
  8433. 0xFFFB, 0xFFFD);
  8434. }
  8435. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8436. struct link_params *params,
  8437. struct link_vars *vars)
  8438. {
  8439. struct bnx2x *bp = params->bp;
  8440. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8441. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8442. /* Save spirom version */
  8443. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8444. }
  8445. /* This phy uses the NIG latch mechanism since link indication
  8446. * arrives through its LED4 and not via its LASI signal, so we
  8447. * get steady signal instead of clear on read
  8448. */
  8449. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8450. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8451. bnx2x_cl45_write(bp, phy,
  8452. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8453. bnx2x_848xx_set_led(bp, phy);
  8454. /* set 1000 speed advertisement */
  8455. bnx2x_cl45_read(bp, phy,
  8456. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8457. &an_1000_val);
  8458. bnx2x_ext_phy_set_pause(params, phy, vars);
  8459. bnx2x_cl45_read(bp, phy,
  8460. MDIO_AN_DEVAD,
  8461. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8462. &an_10_100_val);
  8463. bnx2x_cl45_read(bp, phy,
  8464. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8465. &autoneg_val);
  8466. /* Disable forced speed */
  8467. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8468. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8469. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8470. (phy->speed_cap_mask &
  8471. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8472. (phy->req_line_speed == SPEED_1000)) {
  8473. an_1000_val |= (1<<8);
  8474. autoneg_val |= (1<<9 | 1<<12);
  8475. if (phy->req_duplex == DUPLEX_FULL)
  8476. an_1000_val |= (1<<9);
  8477. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8478. } else
  8479. an_1000_val &= ~((1<<8) | (1<<9));
  8480. bnx2x_cl45_write(bp, phy,
  8481. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8482. an_1000_val);
  8483. /* set 100 speed advertisement */
  8484. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8485. (phy->speed_cap_mask &
  8486. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8487. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8488. an_10_100_val |= (1<<7);
  8489. /* Enable autoneg and restart autoneg for legacy speeds */
  8490. autoneg_val |= (1<<9 | 1<<12);
  8491. if (phy->req_duplex == DUPLEX_FULL)
  8492. an_10_100_val |= (1<<8);
  8493. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8494. }
  8495. /* set 10 speed advertisement */
  8496. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8497. (phy->speed_cap_mask &
  8498. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8499. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8500. (phy->supported &
  8501. (SUPPORTED_10baseT_Half |
  8502. SUPPORTED_10baseT_Full)))) {
  8503. an_10_100_val |= (1<<5);
  8504. autoneg_val |= (1<<9 | 1<<12);
  8505. if (phy->req_duplex == DUPLEX_FULL)
  8506. an_10_100_val |= (1<<6);
  8507. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8508. }
  8509. /* Only 10/100 are allowed to work in FORCE mode */
  8510. if ((phy->req_line_speed == SPEED_100) &&
  8511. (phy->supported &
  8512. (SUPPORTED_100baseT_Half |
  8513. SUPPORTED_100baseT_Full))) {
  8514. autoneg_val |= (1<<13);
  8515. /* Enabled AUTO-MDIX when autoneg is disabled */
  8516. bnx2x_cl45_write(bp, phy,
  8517. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8518. (1<<15 | 1<<9 | 7<<0));
  8519. /* The PHY needs this set even for forced link. */
  8520. an_10_100_val |= (1<<8) | (1<<7);
  8521. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8522. }
  8523. if ((phy->req_line_speed == SPEED_10) &&
  8524. (phy->supported &
  8525. (SUPPORTED_10baseT_Half |
  8526. SUPPORTED_10baseT_Full))) {
  8527. /* Enabled AUTO-MDIX when autoneg is disabled */
  8528. bnx2x_cl45_write(bp, phy,
  8529. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8530. (1<<15 | 1<<9 | 7<<0));
  8531. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8532. }
  8533. bnx2x_cl45_write(bp, phy,
  8534. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8535. an_10_100_val);
  8536. if (phy->req_duplex == DUPLEX_FULL)
  8537. autoneg_val |= (1<<8);
  8538. /* Always write this if this is not 84833.
  8539. * For 84833, write it only when it's a forced speed.
  8540. */
  8541. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8542. ((autoneg_val & (1<<12)) == 0))
  8543. bnx2x_cl45_write(bp, phy,
  8544. MDIO_AN_DEVAD,
  8545. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8546. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8547. (phy->speed_cap_mask &
  8548. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8549. (phy->req_line_speed == SPEED_10000)) {
  8550. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8551. /* Restart autoneg for 10G*/
  8552. bnx2x_cl45_read(bp, phy,
  8553. MDIO_AN_DEVAD,
  8554. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8555. &an_10g_val);
  8556. bnx2x_cl45_write(bp, phy,
  8557. MDIO_AN_DEVAD,
  8558. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8559. an_10g_val | 0x1000);
  8560. bnx2x_cl45_write(bp, phy,
  8561. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8562. 0x3200);
  8563. } else
  8564. bnx2x_cl45_write(bp, phy,
  8565. MDIO_AN_DEVAD,
  8566. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8567. 1);
  8568. return 0;
  8569. }
  8570. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8571. struct link_params *params,
  8572. struct link_vars *vars)
  8573. {
  8574. struct bnx2x *bp = params->bp;
  8575. /* Restore normal power mode*/
  8576. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8577. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8578. /* HW reset */
  8579. bnx2x_ext_phy_hw_reset(bp, params->port);
  8580. bnx2x_wait_reset_complete(bp, phy, params);
  8581. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8582. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8583. }
  8584. #define PHY84833_CMDHDLR_WAIT 300
  8585. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8586. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8587. struct link_params *params,
  8588. u16 fw_cmd,
  8589. u16 cmd_args[], int argc)
  8590. {
  8591. int idx;
  8592. u16 val;
  8593. struct bnx2x *bp = params->bp;
  8594. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8595. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8596. MDIO_84833_CMD_HDLR_STATUS,
  8597. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8598. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8599. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8600. MDIO_84833_CMD_HDLR_STATUS, &val);
  8601. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8602. break;
  8603. usleep_range(1000, 2000);
  8604. }
  8605. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8606. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8607. return -EINVAL;
  8608. }
  8609. /* Prepare argument(s) and issue command */
  8610. for (idx = 0; idx < argc; idx++) {
  8611. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8612. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8613. cmd_args[idx]);
  8614. }
  8615. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8616. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8617. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8618. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8619. MDIO_84833_CMD_HDLR_STATUS, &val);
  8620. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8621. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8622. break;
  8623. usleep_range(1000, 2000);
  8624. }
  8625. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8626. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8627. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8628. return -EINVAL;
  8629. }
  8630. /* Gather returning data */
  8631. for (idx = 0; idx < argc; idx++) {
  8632. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8633. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8634. &cmd_args[idx]);
  8635. }
  8636. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8637. MDIO_84833_CMD_HDLR_STATUS,
  8638. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8639. return 0;
  8640. }
  8641. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8642. struct link_params *params,
  8643. struct link_vars *vars)
  8644. {
  8645. u32 pair_swap;
  8646. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8647. int status;
  8648. struct bnx2x *bp = params->bp;
  8649. /* Check for configuration. */
  8650. pair_swap = REG_RD(bp, params->shmem_base +
  8651. offsetof(struct shmem_region,
  8652. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8653. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8654. if (pair_swap == 0)
  8655. return 0;
  8656. /* Only the second argument is used for this command */
  8657. data[1] = (u16)pair_swap;
  8658. status = bnx2x_84833_cmd_hdlr(phy, params,
  8659. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8660. if (status == 0)
  8661. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8662. return status;
  8663. }
  8664. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8665. u32 shmem_base_path[],
  8666. u32 chip_id)
  8667. {
  8668. u32 reset_pin[2];
  8669. u32 idx;
  8670. u8 reset_gpios;
  8671. if (CHIP_IS_E3(bp)) {
  8672. /* Assume that these will be GPIOs, not EPIOs. */
  8673. for (idx = 0; idx < 2; idx++) {
  8674. /* Map config param to register bit. */
  8675. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8676. offsetof(struct shmem_region,
  8677. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8678. reset_pin[idx] = (reset_pin[idx] &
  8679. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8680. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8681. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8682. reset_pin[idx] = (1 << reset_pin[idx]);
  8683. }
  8684. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8685. } else {
  8686. /* E2, look from diff place of shmem. */
  8687. for (idx = 0; idx < 2; idx++) {
  8688. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8689. offsetof(struct shmem_region,
  8690. dev_info.port_hw_config[0].default_cfg));
  8691. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8692. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8693. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8694. reset_pin[idx] = (1 << reset_pin[idx]);
  8695. }
  8696. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8697. }
  8698. return reset_gpios;
  8699. }
  8700. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8701. struct link_params *params)
  8702. {
  8703. struct bnx2x *bp = params->bp;
  8704. u8 reset_gpios;
  8705. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8706. offsetof(struct shmem2_region,
  8707. other_shmem_base_addr));
  8708. u32 shmem_base_path[2];
  8709. /* Work around for 84833 LED failure inside RESET status */
  8710. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8711. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8712. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8713. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8714. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8715. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8716. shmem_base_path[0] = params->shmem_base;
  8717. shmem_base_path[1] = other_shmem_base_addr;
  8718. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8719. params->chip_id);
  8720. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8721. udelay(10);
  8722. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8723. reset_gpios);
  8724. return 0;
  8725. }
  8726. static int bnx2x_8483x_eee_timers(struct link_params *params,
  8727. struct link_vars *vars)
  8728. {
  8729. u32 eee_idle = 0, eee_mode;
  8730. struct bnx2x *bp = params->bp;
  8731. eee_idle = bnx2x_eee_calc_timer(params);
  8732. if (eee_idle) {
  8733. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  8734. eee_idle);
  8735. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  8736. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  8737. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  8738. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  8739. return -EINVAL;
  8740. }
  8741. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  8742. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  8743. /* eee_idle in 1u --> eee_status in 16u */
  8744. eee_idle >>= 4;
  8745. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  8746. SHMEM_EEE_TIME_OUTPUT_BIT;
  8747. } else {
  8748. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  8749. return -EINVAL;
  8750. vars->eee_status |= eee_mode;
  8751. }
  8752. return 0;
  8753. }
  8754. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8755. struct link_params *params,
  8756. struct link_vars *vars)
  8757. {
  8758. int rc;
  8759. struct bnx2x *bp = params->bp;
  8760. u16 cmd_args = 0;
  8761. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8762. /* Make Certain LPI is disabled */
  8763. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  8764. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  8765. /* Prevent Phy from working in EEE and advertising it */
  8766. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8767. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8768. if (rc) {
  8769. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8770. return rc;
  8771. }
  8772. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
  8773. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8774. return 0;
  8775. }
  8776. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8777. struct link_params *params,
  8778. struct link_vars *vars)
  8779. {
  8780. int rc;
  8781. struct bnx2x *bp = params->bp;
  8782. u16 cmd_args = 1;
  8783. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  8784. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8785. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8786. if (rc) {
  8787. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8788. return rc;
  8789. }
  8790. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
  8791. /* Mask events preventing LPI generation */
  8792. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  8793. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8794. vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
  8795. return 0;
  8796. }
  8797. #define PHY84833_CONSTANT_LATENCY 1193
  8798. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8799. struct link_params *params,
  8800. struct link_vars *vars)
  8801. {
  8802. struct bnx2x *bp = params->bp;
  8803. u8 port, initialize = 1;
  8804. u16 val;
  8805. u32 actual_phy_selection, cms_enable;
  8806. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8807. int rc = 0;
  8808. usleep_range(1000, 2000);
  8809. if (!(CHIP_IS_E1(bp)))
  8810. port = BP_PATH(bp);
  8811. else
  8812. port = params->port;
  8813. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8814. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8815. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8816. port);
  8817. } else {
  8818. /* MDIO reset */
  8819. bnx2x_cl45_write(bp, phy,
  8820. MDIO_PMA_DEVAD,
  8821. MDIO_PMA_REG_CTRL, 0x8000);
  8822. }
  8823. bnx2x_wait_reset_complete(bp, phy, params);
  8824. /* Wait for GPHY to come out of reset */
  8825. msleep(50);
  8826. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8827. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8828. * behavior.
  8829. */
  8830. u16 temp;
  8831. temp = vars->line_speed;
  8832. vars->line_speed = SPEED_10000;
  8833. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8834. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8835. vars->line_speed = temp;
  8836. }
  8837. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8838. MDIO_CTL_REG_84823_MEDIA, &val);
  8839. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8840. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8841. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8842. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8843. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8844. if (CHIP_IS_E3(bp)) {
  8845. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8846. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8847. } else {
  8848. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8849. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8850. }
  8851. actual_phy_selection = bnx2x_phy_selection(params);
  8852. switch (actual_phy_selection) {
  8853. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8854. /* Do nothing. Essentially this is like the priority copper */
  8855. break;
  8856. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8857. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8858. break;
  8859. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8860. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8861. break;
  8862. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8863. /* Do nothing here. The first PHY won't be initialized at all */
  8864. break;
  8865. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8866. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8867. initialize = 0;
  8868. break;
  8869. }
  8870. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8871. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8872. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8873. MDIO_CTL_REG_84823_MEDIA, val);
  8874. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8875. params->multi_phy_config, val);
  8876. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8877. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8878. /* Keep AutogrEEEn disabled. */
  8879. cmd_args[0] = 0x0;
  8880. cmd_args[1] = 0x0;
  8881. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8882. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8883. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8884. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8885. PHY84833_CMDHDLR_MAX_ARGS);
  8886. if (rc)
  8887. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8888. }
  8889. if (initialize)
  8890. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8891. else
  8892. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8893. /* 84833 PHY has a better feature and doesn't need to support this. */
  8894. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8895. cms_enable = REG_RD(bp, params->shmem_base +
  8896. offsetof(struct shmem_region,
  8897. dev_info.port_hw_config[params->port].default_cfg)) &
  8898. PORT_HW_CFG_ENABLE_CMS_MASK;
  8899. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8900. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8901. if (cms_enable)
  8902. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8903. else
  8904. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8905. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8906. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8907. }
  8908. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8909. MDIO_84833_TOP_CFG_FW_REV, &val);
  8910. /* Configure EEE support */
  8911. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  8912. phy->flags |= FLAGS_EEE_10GBT;
  8913. vars->eee_status |= SHMEM_EEE_10G_ADV <<
  8914. SHMEM_EEE_SUPPORTED_SHIFT;
  8915. /* Propogate params' bits --> vars (for migration exposure) */
  8916. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  8917. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  8918. else
  8919. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  8920. if (params->eee_mode & EEE_MODE_ADV_LPI)
  8921. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  8922. else
  8923. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  8924. rc = bnx2x_8483x_eee_timers(params, vars);
  8925. if (rc) {
  8926. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8927. bnx2x_8483x_disable_eee(phy, params, vars);
  8928. return rc;
  8929. }
  8930. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8931. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8932. (bnx2x_eee_calc_timer(params) ||
  8933. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8934. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8935. else
  8936. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8937. if (rc) {
  8938. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8939. return rc;
  8940. }
  8941. } else {
  8942. phy->flags &= ~FLAGS_EEE_10GBT;
  8943. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8944. }
  8945. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8946. /* Bring PHY out of super isolate mode as the final step. */
  8947. bnx2x_cl45_read(bp, phy,
  8948. MDIO_CTL_DEVAD,
  8949. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8950. val &= ~MDIO_84833_SUPER_ISOLATE;
  8951. bnx2x_cl45_write(bp, phy,
  8952. MDIO_CTL_DEVAD,
  8953. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8954. }
  8955. return rc;
  8956. }
  8957. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8958. struct link_params *params,
  8959. struct link_vars *vars)
  8960. {
  8961. struct bnx2x *bp = params->bp;
  8962. u16 val, val1, val2;
  8963. u8 link_up = 0;
  8964. /* Check 10G-BaseT link status */
  8965. /* Check PMD signal ok */
  8966. bnx2x_cl45_read(bp, phy,
  8967. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8968. bnx2x_cl45_read(bp, phy,
  8969. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8970. &val2);
  8971. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8972. /* Check link 10G */
  8973. if (val2 & (1<<11)) {
  8974. vars->line_speed = SPEED_10000;
  8975. vars->duplex = DUPLEX_FULL;
  8976. link_up = 1;
  8977. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8978. } else { /* Check Legacy speed link */
  8979. u16 legacy_status, legacy_speed;
  8980. /* Enable expansion register 0x42 (Operation mode status) */
  8981. bnx2x_cl45_write(bp, phy,
  8982. MDIO_AN_DEVAD,
  8983. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8984. /* Get legacy speed operation status */
  8985. bnx2x_cl45_read(bp, phy,
  8986. MDIO_AN_DEVAD,
  8987. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8988. &legacy_status);
  8989. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8990. legacy_status);
  8991. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8992. legacy_speed = (legacy_status & (3<<9));
  8993. if (legacy_speed == (0<<9))
  8994. vars->line_speed = SPEED_10;
  8995. else if (legacy_speed == (1<<9))
  8996. vars->line_speed = SPEED_100;
  8997. else if (legacy_speed == (2<<9))
  8998. vars->line_speed = SPEED_1000;
  8999. else { /* Should not happen: Treat as link down */
  9000. vars->line_speed = 0;
  9001. link_up = 0;
  9002. }
  9003. if (link_up) {
  9004. if (legacy_status & (1<<8))
  9005. vars->duplex = DUPLEX_FULL;
  9006. else
  9007. vars->duplex = DUPLEX_HALF;
  9008. DP(NETIF_MSG_LINK,
  9009. "Link is up in %dMbps, is_duplex_full= %d\n",
  9010. vars->line_speed,
  9011. (vars->duplex == DUPLEX_FULL));
  9012. /* Check legacy speed AN resolution */
  9013. bnx2x_cl45_read(bp, phy,
  9014. MDIO_AN_DEVAD,
  9015. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9016. &val);
  9017. if (val & (1<<5))
  9018. vars->link_status |=
  9019. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9020. bnx2x_cl45_read(bp, phy,
  9021. MDIO_AN_DEVAD,
  9022. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9023. &val);
  9024. if ((val & (1<<0)) == 0)
  9025. vars->link_status |=
  9026. LINK_STATUS_PARALLEL_DETECTION_USED;
  9027. }
  9028. }
  9029. if (link_up) {
  9030. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9031. vars->line_speed);
  9032. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9033. /* Read LP advertised speeds */
  9034. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9035. MDIO_AN_REG_CL37_FC_LP, &val);
  9036. if (val & (1<<5))
  9037. vars->link_status |=
  9038. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9039. if (val & (1<<6))
  9040. vars->link_status |=
  9041. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9042. if (val & (1<<7))
  9043. vars->link_status |=
  9044. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9045. if (val & (1<<8))
  9046. vars->link_status |=
  9047. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9048. if (val & (1<<9))
  9049. vars->link_status |=
  9050. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9051. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9052. MDIO_AN_REG_1000T_STATUS, &val);
  9053. if (val & (1<<10))
  9054. vars->link_status |=
  9055. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9056. if (val & (1<<11))
  9057. vars->link_status |=
  9058. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9059. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9060. MDIO_AN_REG_MASTER_STATUS, &val);
  9061. if (val & (1<<11))
  9062. vars->link_status |=
  9063. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9064. /* Determine if EEE was negotiated */
  9065. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9066. u32 eee_shmem = 0;
  9067. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9068. MDIO_AN_REG_EEE_ADV, &val1);
  9069. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9070. MDIO_AN_REG_LP_EEE_ADV, &val2);
  9071. if ((val1 & val2) & 0x8) {
  9072. DP(NETIF_MSG_LINK, "EEE negotiated\n");
  9073. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  9074. }
  9075. if (val2 & 0x12)
  9076. eee_shmem |= SHMEM_EEE_100M_ADV;
  9077. if (val2 & 0x4)
  9078. eee_shmem |= SHMEM_EEE_1G_ADV;
  9079. if (val2 & 0x68)
  9080. eee_shmem |= SHMEM_EEE_10G_ADV;
  9081. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  9082. vars->eee_status |= (eee_shmem <<
  9083. SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  9084. }
  9085. }
  9086. return link_up;
  9087. }
  9088. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9089. {
  9090. int status = 0;
  9091. u32 spirom_ver;
  9092. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9093. status = bnx2x_format_ver(spirom_ver, str, len);
  9094. return status;
  9095. }
  9096. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9097. struct link_params *params)
  9098. {
  9099. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9100. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9101. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9102. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9103. }
  9104. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9105. struct link_params *params)
  9106. {
  9107. bnx2x_cl45_write(params->bp, phy,
  9108. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9109. bnx2x_cl45_write(params->bp, phy,
  9110. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9111. }
  9112. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9113. struct link_params *params)
  9114. {
  9115. struct bnx2x *bp = params->bp;
  9116. u8 port;
  9117. u16 val16;
  9118. if (!(CHIP_IS_E1x(bp)))
  9119. port = BP_PATH(bp);
  9120. else
  9121. port = params->port;
  9122. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9123. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9124. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9125. port);
  9126. } else {
  9127. bnx2x_cl45_read(bp, phy,
  9128. MDIO_CTL_DEVAD,
  9129. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9130. val16 |= MDIO_84833_SUPER_ISOLATE;
  9131. bnx2x_cl45_write(bp, phy,
  9132. MDIO_CTL_DEVAD,
  9133. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9134. }
  9135. }
  9136. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9137. struct link_params *params, u8 mode)
  9138. {
  9139. struct bnx2x *bp = params->bp;
  9140. u16 val;
  9141. u8 port;
  9142. if (!(CHIP_IS_E1x(bp)))
  9143. port = BP_PATH(bp);
  9144. else
  9145. port = params->port;
  9146. switch (mode) {
  9147. case LED_MODE_OFF:
  9148. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9149. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9150. SHARED_HW_CFG_LED_EXTPHY1) {
  9151. /* Set LED masks */
  9152. bnx2x_cl45_write(bp, phy,
  9153. MDIO_PMA_DEVAD,
  9154. MDIO_PMA_REG_8481_LED1_MASK,
  9155. 0x0);
  9156. bnx2x_cl45_write(bp, phy,
  9157. MDIO_PMA_DEVAD,
  9158. MDIO_PMA_REG_8481_LED2_MASK,
  9159. 0x0);
  9160. bnx2x_cl45_write(bp, phy,
  9161. MDIO_PMA_DEVAD,
  9162. MDIO_PMA_REG_8481_LED3_MASK,
  9163. 0x0);
  9164. bnx2x_cl45_write(bp, phy,
  9165. MDIO_PMA_DEVAD,
  9166. MDIO_PMA_REG_8481_LED5_MASK,
  9167. 0x0);
  9168. } else {
  9169. bnx2x_cl45_write(bp, phy,
  9170. MDIO_PMA_DEVAD,
  9171. MDIO_PMA_REG_8481_LED1_MASK,
  9172. 0x0);
  9173. }
  9174. break;
  9175. case LED_MODE_FRONT_PANEL_OFF:
  9176. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9177. port);
  9178. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9179. SHARED_HW_CFG_LED_EXTPHY1) {
  9180. /* Set LED masks */
  9181. bnx2x_cl45_write(bp, phy,
  9182. MDIO_PMA_DEVAD,
  9183. MDIO_PMA_REG_8481_LED1_MASK,
  9184. 0x0);
  9185. bnx2x_cl45_write(bp, phy,
  9186. MDIO_PMA_DEVAD,
  9187. MDIO_PMA_REG_8481_LED2_MASK,
  9188. 0x0);
  9189. bnx2x_cl45_write(bp, phy,
  9190. MDIO_PMA_DEVAD,
  9191. MDIO_PMA_REG_8481_LED3_MASK,
  9192. 0x0);
  9193. bnx2x_cl45_write(bp, phy,
  9194. MDIO_PMA_DEVAD,
  9195. MDIO_PMA_REG_8481_LED5_MASK,
  9196. 0x20);
  9197. } else {
  9198. bnx2x_cl45_write(bp, phy,
  9199. MDIO_PMA_DEVAD,
  9200. MDIO_PMA_REG_8481_LED1_MASK,
  9201. 0x0);
  9202. }
  9203. break;
  9204. case LED_MODE_ON:
  9205. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9206. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9207. SHARED_HW_CFG_LED_EXTPHY1) {
  9208. /* Set control reg */
  9209. bnx2x_cl45_read(bp, phy,
  9210. MDIO_PMA_DEVAD,
  9211. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9212. &val);
  9213. val &= 0x8000;
  9214. val |= 0x2492;
  9215. bnx2x_cl45_write(bp, phy,
  9216. MDIO_PMA_DEVAD,
  9217. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9218. val);
  9219. /* Set LED masks */
  9220. bnx2x_cl45_write(bp, phy,
  9221. MDIO_PMA_DEVAD,
  9222. MDIO_PMA_REG_8481_LED1_MASK,
  9223. 0x0);
  9224. bnx2x_cl45_write(bp, phy,
  9225. MDIO_PMA_DEVAD,
  9226. MDIO_PMA_REG_8481_LED2_MASK,
  9227. 0x20);
  9228. bnx2x_cl45_write(bp, phy,
  9229. MDIO_PMA_DEVAD,
  9230. MDIO_PMA_REG_8481_LED3_MASK,
  9231. 0x20);
  9232. bnx2x_cl45_write(bp, phy,
  9233. MDIO_PMA_DEVAD,
  9234. MDIO_PMA_REG_8481_LED5_MASK,
  9235. 0x0);
  9236. } else {
  9237. bnx2x_cl45_write(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LED1_MASK,
  9240. 0x20);
  9241. }
  9242. break;
  9243. case LED_MODE_OPER:
  9244. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9245. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9246. SHARED_HW_CFG_LED_EXTPHY1) {
  9247. /* Set control reg */
  9248. bnx2x_cl45_read(bp, phy,
  9249. MDIO_PMA_DEVAD,
  9250. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9251. &val);
  9252. if (!((val &
  9253. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9254. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9255. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9256. bnx2x_cl45_write(bp, phy,
  9257. MDIO_PMA_DEVAD,
  9258. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9259. 0xa492);
  9260. }
  9261. /* Set LED masks */
  9262. bnx2x_cl45_write(bp, phy,
  9263. MDIO_PMA_DEVAD,
  9264. MDIO_PMA_REG_8481_LED1_MASK,
  9265. 0x10);
  9266. bnx2x_cl45_write(bp, phy,
  9267. MDIO_PMA_DEVAD,
  9268. MDIO_PMA_REG_8481_LED2_MASK,
  9269. 0x80);
  9270. bnx2x_cl45_write(bp, phy,
  9271. MDIO_PMA_DEVAD,
  9272. MDIO_PMA_REG_8481_LED3_MASK,
  9273. 0x98);
  9274. bnx2x_cl45_write(bp, phy,
  9275. MDIO_PMA_DEVAD,
  9276. MDIO_PMA_REG_8481_LED5_MASK,
  9277. 0x40);
  9278. } else {
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LED1_MASK,
  9282. 0x80);
  9283. /* Tell LED3 to blink on source */
  9284. bnx2x_cl45_read(bp, phy,
  9285. MDIO_PMA_DEVAD,
  9286. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9287. &val);
  9288. val &= ~(7<<6);
  9289. val |= (1<<6); /* A83B[8:6]= 1 */
  9290. bnx2x_cl45_write(bp, phy,
  9291. MDIO_PMA_DEVAD,
  9292. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9293. val);
  9294. }
  9295. break;
  9296. }
  9297. /* This is a workaround for E3+84833 until autoneg
  9298. * restart is fixed in f/w
  9299. */
  9300. if (CHIP_IS_E3(bp)) {
  9301. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9302. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9303. }
  9304. }
  9305. /******************************************************************/
  9306. /* 54618SE PHY SECTION */
  9307. /******************************************************************/
  9308. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9309. struct link_params *params,
  9310. struct link_vars *vars)
  9311. {
  9312. struct bnx2x *bp = params->bp;
  9313. u8 port;
  9314. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9315. u32 cfg_pin;
  9316. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9317. usleep_range(1000, 2000);
  9318. /* This works with E3 only, no need to check the chip
  9319. * before determining the port.
  9320. */
  9321. port = params->port;
  9322. cfg_pin = (REG_RD(bp, params->shmem_base +
  9323. offsetof(struct shmem_region,
  9324. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9325. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9326. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9327. /* Drive pin high to bring the GPHY out of reset. */
  9328. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9329. /* wait for GPHY to reset */
  9330. msleep(50);
  9331. /* reset phy */
  9332. bnx2x_cl22_write(bp, phy,
  9333. MDIO_PMA_REG_CTRL, 0x8000);
  9334. bnx2x_wait_reset_complete(bp, phy, params);
  9335. /* Wait for GPHY to reset */
  9336. msleep(50);
  9337. /* Configure LED4: set to INTR (0x6). */
  9338. /* Accessing shadow register 0xe. */
  9339. bnx2x_cl22_write(bp, phy,
  9340. MDIO_REG_GPHY_SHADOW,
  9341. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9342. bnx2x_cl22_read(bp, phy,
  9343. MDIO_REG_GPHY_SHADOW,
  9344. &temp);
  9345. temp &= ~(0xf << 4);
  9346. temp |= (0x6 << 4);
  9347. bnx2x_cl22_write(bp, phy,
  9348. MDIO_REG_GPHY_SHADOW,
  9349. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9350. /* Configure INTR based on link status change. */
  9351. bnx2x_cl22_write(bp, phy,
  9352. MDIO_REG_INTR_MASK,
  9353. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9354. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9355. bnx2x_cl22_write(bp, phy,
  9356. MDIO_REG_GPHY_SHADOW,
  9357. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9358. bnx2x_cl22_read(bp, phy,
  9359. MDIO_REG_GPHY_SHADOW,
  9360. &temp);
  9361. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9362. bnx2x_cl22_write(bp, phy,
  9363. MDIO_REG_GPHY_SHADOW,
  9364. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9365. /* Set up fc */
  9366. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9367. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9368. fc_val = 0;
  9369. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9370. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9371. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9372. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9373. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9374. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9375. /* Read all advertisement */
  9376. bnx2x_cl22_read(bp, phy,
  9377. 0x09,
  9378. &an_1000_val);
  9379. bnx2x_cl22_read(bp, phy,
  9380. 0x04,
  9381. &an_10_100_val);
  9382. bnx2x_cl22_read(bp, phy,
  9383. MDIO_PMA_REG_CTRL,
  9384. &autoneg_val);
  9385. /* Disable forced speed */
  9386. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9387. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9388. (1<<11));
  9389. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9390. (phy->speed_cap_mask &
  9391. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9392. (phy->req_line_speed == SPEED_1000)) {
  9393. an_1000_val |= (1<<8);
  9394. autoneg_val |= (1<<9 | 1<<12);
  9395. if (phy->req_duplex == DUPLEX_FULL)
  9396. an_1000_val |= (1<<9);
  9397. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9398. } else
  9399. an_1000_val &= ~((1<<8) | (1<<9));
  9400. bnx2x_cl22_write(bp, phy,
  9401. 0x09,
  9402. an_1000_val);
  9403. bnx2x_cl22_read(bp, phy,
  9404. 0x09,
  9405. &an_1000_val);
  9406. /* Set 100 speed advertisement */
  9407. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9408. (phy->speed_cap_mask &
  9409. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9410. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9411. an_10_100_val |= (1<<7);
  9412. /* Enable autoneg and restart autoneg for legacy speeds */
  9413. autoneg_val |= (1<<9 | 1<<12);
  9414. if (phy->req_duplex == DUPLEX_FULL)
  9415. an_10_100_val |= (1<<8);
  9416. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9417. }
  9418. /* Set 10 speed advertisement */
  9419. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9420. (phy->speed_cap_mask &
  9421. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9422. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9423. an_10_100_val |= (1<<5);
  9424. autoneg_val |= (1<<9 | 1<<12);
  9425. if (phy->req_duplex == DUPLEX_FULL)
  9426. an_10_100_val |= (1<<6);
  9427. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9428. }
  9429. /* Only 10/100 are allowed to work in FORCE mode */
  9430. if (phy->req_line_speed == SPEED_100) {
  9431. autoneg_val |= (1<<13);
  9432. /* Enabled AUTO-MDIX when autoneg is disabled */
  9433. bnx2x_cl22_write(bp, phy,
  9434. 0x18,
  9435. (1<<15 | 1<<9 | 7<<0));
  9436. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9437. }
  9438. if (phy->req_line_speed == SPEED_10) {
  9439. /* Enabled AUTO-MDIX when autoneg is disabled */
  9440. bnx2x_cl22_write(bp, phy,
  9441. 0x18,
  9442. (1<<15 | 1<<9 | 7<<0));
  9443. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9444. }
  9445. /* Check if we should turn on Auto-GrEEEn */
  9446. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9447. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9448. if (params->feature_config_flags &
  9449. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9450. temp = 6;
  9451. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9452. } else {
  9453. temp = 0;
  9454. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9455. }
  9456. bnx2x_cl22_write(bp, phy,
  9457. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9458. bnx2x_cl22_write(bp, phy,
  9459. MDIO_REG_GPHY_CL45_DATA_REG,
  9460. MDIO_REG_GPHY_EEE_ADV);
  9461. bnx2x_cl22_write(bp, phy,
  9462. MDIO_REG_GPHY_CL45_ADDR_REG,
  9463. (0x1 << 14) | MDIO_AN_DEVAD);
  9464. bnx2x_cl22_write(bp, phy,
  9465. MDIO_REG_GPHY_CL45_DATA_REG,
  9466. temp);
  9467. }
  9468. bnx2x_cl22_write(bp, phy,
  9469. 0x04,
  9470. an_10_100_val | fc_val);
  9471. if (phy->req_duplex == DUPLEX_FULL)
  9472. autoneg_val |= (1<<8);
  9473. bnx2x_cl22_write(bp, phy,
  9474. MDIO_PMA_REG_CTRL, autoneg_val);
  9475. return 0;
  9476. }
  9477. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9478. struct link_params *params, u8 mode)
  9479. {
  9480. struct bnx2x *bp = params->bp;
  9481. u16 temp;
  9482. bnx2x_cl22_write(bp, phy,
  9483. MDIO_REG_GPHY_SHADOW,
  9484. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9485. bnx2x_cl22_read(bp, phy,
  9486. MDIO_REG_GPHY_SHADOW,
  9487. &temp);
  9488. temp &= 0xff00;
  9489. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9490. switch (mode) {
  9491. case LED_MODE_FRONT_PANEL_OFF:
  9492. case LED_MODE_OFF:
  9493. temp |= 0x00ee;
  9494. break;
  9495. case LED_MODE_OPER:
  9496. temp |= 0x0001;
  9497. break;
  9498. case LED_MODE_ON:
  9499. temp |= 0x00ff;
  9500. break;
  9501. default:
  9502. break;
  9503. }
  9504. bnx2x_cl22_write(bp, phy,
  9505. MDIO_REG_GPHY_SHADOW,
  9506. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9507. return;
  9508. }
  9509. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9510. struct link_params *params)
  9511. {
  9512. struct bnx2x *bp = params->bp;
  9513. u32 cfg_pin;
  9514. u8 port;
  9515. /* In case of no EPIO routed to reset the GPHY, put it
  9516. * in low power mode.
  9517. */
  9518. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9519. /* This works with E3 only, no need to check the chip
  9520. * before determining the port.
  9521. */
  9522. port = params->port;
  9523. cfg_pin = (REG_RD(bp, params->shmem_base +
  9524. offsetof(struct shmem_region,
  9525. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9526. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9527. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9528. /* Drive pin low to put GPHY in reset. */
  9529. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9530. }
  9531. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9532. struct link_params *params,
  9533. struct link_vars *vars)
  9534. {
  9535. struct bnx2x *bp = params->bp;
  9536. u16 val;
  9537. u8 link_up = 0;
  9538. u16 legacy_status, legacy_speed;
  9539. /* Get speed operation status */
  9540. bnx2x_cl22_read(bp, phy,
  9541. MDIO_REG_GPHY_AUX_STATUS,
  9542. &legacy_status);
  9543. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9544. /* Read status to clear the PHY interrupt. */
  9545. bnx2x_cl22_read(bp, phy,
  9546. MDIO_REG_INTR_STATUS,
  9547. &val);
  9548. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9549. if (link_up) {
  9550. legacy_speed = (legacy_status & (7<<8));
  9551. if (legacy_speed == (7<<8)) {
  9552. vars->line_speed = SPEED_1000;
  9553. vars->duplex = DUPLEX_FULL;
  9554. } else if (legacy_speed == (6<<8)) {
  9555. vars->line_speed = SPEED_1000;
  9556. vars->duplex = DUPLEX_HALF;
  9557. } else if (legacy_speed == (5<<8)) {
  9558. vars->line_speed = SPEED_100;
  9559. vars->duplex = DUPLEX_FULL;
  9560. }
  9561. /* Omitting 100Base-T4 for now */
  9562. else if (legacy_speed == (3<<8)) {
  9563. vars->line_speed = SPEED_100;
  9564. vars->duplex = DUPLEX_HALF;
  9565. } else if (legacy_speed == (2<<8)) {
  9566. vars->line_speed = SPEED_10;
  9567. vars->duplex = DUPLEX_FULL;
  9568. } else if (legacy_speed == (1<<8)) {
  9569. vars->line_speed = SPEED_10;
  9570. vars->duplex = DUPLEX_HALF;
  9571. } else /* Should not happen */
  9572. vars->line_speed = 0;
  9573. DP(NETIF_MSG_LINK,
  9574. "Link is up in %dMbps, is_duplex_full= %d\n",
  9575. vars->line_speed,
  9576. (vars->duplex == DUPLEX_FULL));
  9577. /* Check legacy speed AN resolution */
  9578. bnx2x_cl22_read(bp, phy,
  9579. 0x01,
  9580. &val);
  9581. if (val & (1<<5))
  9582. vars->link_status |=
  9583. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9584. bnx2x_cl22_read(bp, phy,
  9585. 0x06,
  9586. &val);
  9587. if ((val & (1<<0)) == 0)
  9588. vars->link_status |=
  9589. LINK_STATUS_PARALLEL_DETECTION_USED;
  9590. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9591. vars->line_speed);
  9592. /* Report whether EEE is resolved. */
  9593. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9594. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9595. if (vars->link_status &
  9596. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9597. val = 0;
  9598. else {
  9599. bnx2x_cl22_write(bp, phy,
  9600. MDIO_REG_GPHY_CL45_ADDR_REG,
  9601. MDIO_AN_DEVAD);
  9602. bnx2x_cl22_write(bp, phy,
  9603. MDIO_REG_GPHY_CL45_DATA_REG,
  9604. MDIO_REG_GPHY_EEE_RESOLVED);
  9605. bnx2x_cl22_write(bp, phy,
  9606. MDIO_REG_GPHY_CL45_ADDR_REG,
  9607. (0x1 << 14) | MDIO_AN_DEVAD);
  9608. bnx2x_cl22_read(bp, phy,
  9609. MDIO_REG_GPHY_CL45_DATA_REG,
  9610. &val);
  9611. }
  9612. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9613. }
  9614. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9615. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9616. /* Report LP advertised speeds */
  9617. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9618. if (val & (1<<5))
  9619. vars->link_status |=
  9620. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9621. if (val & (1<<6))
  9622. vars->link_status |=
  9623. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9624. if (val & (1<<7))
  9625. vars->link_status |=
  9626. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9627. if (val & (1<<8))
  9628. vars->link_status |=
  9629. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9630. if (val & (1<<9))
  9631. vars->link_status |=
  9632. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9633. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9634. if (val & (1<<10))
  9635. vars->link_status |=
  9636. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9637. if (val & (1<<11))
  9638. vars->link_status |=
  9639. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9640. }
  9641. }
  9642. return link_up;
  9643. }
  9644. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9645. struct link_params *params)
  9646. {
  9647. struct bnx2x *bp = params->bp;
  9648. u16 val;
  9649. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9650. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9651. /* Enable master/slave manual mmode and set to master */
  9652. /* mii write 9 [bits set 11 12] */
  9653. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9654. /* forced 1G and disable autoneg */
  9655. /* set val [mii read 0] */
  9656. /* set val [expr $val & [bits clear 6 12 13]] */
  9657. /* set val [expr $val | [bits set 6 8]] */
  9658. /* mii write 0 $val */
  9659. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9660. val &= ~((1<<6) | (1<<12) | (1<<13));
  9661. val |= (1<<6) | (1<<8);
  9662. bnx2x_cl22_write(bp, phy, 0x00, val);
  9663. /* Set external loopback and Tx using 6dB coding */
  9664. /* mii write 0x18 7 */
  9665. /* set val [mii read 0x18] */
  9666. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9667. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9668. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9669. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9670. /* This register opens the gate for the UMAC despite its name */
  9671. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9672. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9673. * length used by the MAC receive logic to check frames.
  9674. */
  9675. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9676. }
  9677. /******************************************************************/
  9678. /* SFX7101 PHY SECTION */
  9679. /******************************************************************/
  9680. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9681. struct link_params *params)
  9682. {
  9683. struct bnx2x *bp = params->bp;
  9684. /* SFX7101_XGXS_TEST1 */
  9685. bnx2x_cl45_write(bp, phy,
  9686. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9687. }
  9688. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9689. struct link_params *params,
  9690. struct link_vars *vars)
  9691. {
  9692. u16 fw_ver1, fw_ver2, val;
  9693. struct bnx2x *bp = params->bp;
  9694. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9695. /* Restore normal power mode*/
  9696. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9697. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9698. /* HW reset */
  9699. bnx2x_ext_phy_hw_reset(bp, params->port);
  9700. bnx2x_wait_reset_complete(bp, phy, params);
  9701. bnx2x_cl45_write(bp, phy,
  9702. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9703. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9704. bnx2x_cl45_write(bp, phy,
  9705. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9706. bnx2x_ext_phy_set_pause(params, phy, vars);
  9707. /* Restart autoneg */
  9708. bnx2x_cl45_read(bp, phy,
  9709. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9710. val |= 0x200;
  9711. bnx2x_cl45_write(bp, phy,
  9712. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9713. /* Save spirom version */
  9714. bnx2x_cl45_read(bp, phy,
  9715. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9716. bnx2x_cl45_read(bp, phy,
  9717. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9718. bnx2x_save_spirom_version(bp, params->port,
  9719. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9720. return 0;
  9721. }
  9722. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9723. struct link_params *params,
  9724. struct link_vars *vars)
  9725. {
  9726. struct bnx2x *bp = params->bp;
  9727. u8 link_up;
  9728. u16 val1, val2;
  9729. bnx2x_cl45_read(bp, phy,
  9730. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9731. bnx2x_cl45_read(bp, phy,
  9732. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9733. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9734. val2, val1);
  9735. bnx2x_cl45_read(bp, phy,
  9736. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9737. bnx2x_cl45_read(bp, phy,
  9738. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9739. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9740. val2, val1);
  9741. link_up = ((val1 & 4) == 4);
  9742. /* If link is up print the AN outcome of the SFX7101 PHY */
  9743. if (link_up) {
  9744. bnx2x_cl45_read(bp, phy,
  9745. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9746. &val2);
  9747. vars->line_speed = SPEED_10000;
  9748. vars->duplex = DUPLEX_FULL;
  9749. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9750. val2, (val2 & (1<<14)));
  9751. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9752. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9753. /* Read LP advertised speeds */
  9754. if (val2 & (1<<11))
  9755. vars->link_status |=
  9756. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9757. }
  9758. return link_up;
  9759. }
  9760. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9761. {
  9762. if (*len < 5)
  9763. return -EINVAL;
  9764. str[0] = (spirom_ver & 0xFF);
  9765. str[1] = (spirom_ver & 0xFF00) >> 8;
  9766. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9767. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9768. str[4] = '\0';
  9769. *len -= 5;
  9770. return 0;
  9771. }
  9772. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9773. {
  9774. u16 val, cnt;
  9775. bnx2x_cl45_read(bp, phy,
  9776. MDIO_PMA_DEVAD,
  9777. MDIO_PMA_REG_7101_RESET, &val);
  9778. for (cnt = 0; cnt < 10; cnt++) {
  9779. msleep(50);
  9780. /* Writes a self-clearing reset */
  9781. bnx2x_cl45_write(bp, phy,
  9782. MDIO_PMA_DEVAD,
  9783. MDIO_PMA_REG_7101_RESET,
  9784. (val | (1<<15)));
  9785. /* Wait for clear */
  9786. bnx2x_cl45_read(bp, phy,
  9787. MDIO_PMA_DEVAD,
  9788. MDIO_PMA_REG_7101_RESET, &val);
  9789. if ((val & (1<<15)) == 0)
  9790. break;
  9791. }
  9792. }
  9793. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9794. struct link_params *params) {
  9795. /* Low power mode is controlled by GPIO 2 */
  9796. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9797. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9798. /* The PHY reset is controlled by GPIO 1 */
  9799. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9800. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9801. }
  9802. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9803. struct link_params *params, u8 mode)
  9804. {
  9805. u16 val = 0;
  9806. struct bnx2x *bp = params->bp;
  9807. switch (mode) {
  9808. case LED_MODE_FRONT_PANEL_OFF:
  9809. case LED_MODE_OFF:
  9810. val = 2;
  9811. break;
  9812. case LED_MODE_ON:
  9813. val = 1;
  9814. break;
  9815. case LED_MODE_OPER:
  9816. val = 0;
  9817. break;
  9818. }
  9819. bnx2x_cl45_write(bp, phy,
  9820. MDIO_PMA_DEVAD,
  9821. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9822. val);
  9823. }
  9824. /******************************************************************/
  9825. /* STATIC PHY DECLARATION */
  9826. /******************************************************************/
  9827. static struct bnx2x_phy phy_null = {
  9828. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9829. .addr = 0,
  9830. .def_md_devad = 0,
  9831. .flags = FLAGS_INIT_XGXS_FIRST,
  9832. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9833. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9834. .mdio_ctrl = 0,
  9835. .supported = 0,
  9836. .media_type = ETH_PHY_NOT_PRESENT,
  9837. .ver_addr = 0,
  9838. .req_flow_ctrl = 0,
  9839. .req_line_speed = 0,
  9840. .speed_cap_mask = 0,
  9841. .req_duplex = 0,
  9842. .rsrv = 0,
  9843. .config_init = (config_init_t)NULL,
  9844. .read_status = (read_status_t)NULL,
  9845. .link_reset = (link_reset_t)NULL,
  9846. .config_loopback = (config_loopback_t)NULL,
  9847. .format_fw_ver = (format_fw_ver_t)NULL,
  9848. .hw_reset = (hw_reset_t)NULL,
  9849. .set_link_led = (set_link_led_t)NULL,
  9850. .phy_specific_func = (phy_specific_func_t)NULL
  9851. };
  9852. static struct bnx2x_phy phy_serdes = {
  9853. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9854. .addr = 0xff,
  9855. .def_md_devad = 0,
  9856. .flags = 0,
  9857. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9858. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9859. .mdio_ctrl = 0,
  9860. .supported = (SUPPORTED_10baseT_Half |
  9861. SUPPORTED_10baseT_Full |
  9862. SUPPORTED_100baseT_Half |
  9863. SUPPORTED_100baseT_Full |
  9864. SUPPORTED_1000baseT_Full |
  9865. SUPPORTED_2500baseX_Full |
  9866. SUPPORTED_TP |
  9867. SUPPORTED_Autoneg |
  9868. SUPPORTED_Pause |
  9869. SUPPORTED_Asym_Pause),
  9870. .media_type = ETH_PHY_BASE_T,
  9871. .ver_addr = 0,
  9872. .req_flow_ctrl = 0,
  9873. .req_line_speed = 0,
  9874. .speed_cap_mask = 0,
  9875. .req_duplex = 0,
  9876. .rsrv = 0,
  9877. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9878. .read_status = (read_status_t)bnx2x_link_settings_status,
  9879. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9880. .config_loopback = (config_loopback_t)NULL,
  9881. .format_fw_ver = (format_fw_ver_t)NULL,
  9882. .hw_reset = (hw_reset_t)NULL,
  9883. .set_link_led = (set_link_led_t)NULL,
  9884. .phy_specific_func = (phy_specific_func_t)NULL
  9885. };
  9886. static struct bnx2x_phy phy_xgxs = {
  9887. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9888. .addr = 0xff,
  9889. .def_md_devad = 0,
  9890. .flags = 0,
  9891. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9892. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9893. .mdio_ctrl = 0,
  9894. .supported = (SUPPORTED_10baseT_Half |
  9895. SUPPORTED_10baseT_Full |
  9896. SUPPORTED_100baseT_Half |
  9897. SUPPORTED_100baseT_Full |
  9898. SUPPORTED_1000baseT_Full |
  9899. SUPPORTED_2500baseX_Full |
  9900. SUPPORTED_10000baseT_Full |
  9901. SUPPORTED_FIBRE |
  9902. SUPPORTED_Autoneg |
  9903. SUPPORTED_Pause |
  9904. SUPPORTED_Asym_Pause),
  9905. .media_type = ETH_PHY_CX4,
  9906. .ver_addr = 0,
  9907. .req_flow_ctrl = 0,
  9908. .req_line_speed = 0,
  9909. .speed_cap_mask = 0,
  9910. .req_duplex = 0,
  9911. .rsrv = 0,
  9912. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9913. .read_status = (read_status_t)bnx2x_link_settings_status,
  9914. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9915. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9916. .format_fw_ver = (format_fw_ver_t)NULL,
  9917. .hw_reset = (hw_reset_t)NULL,
  9918. .set_link_led = (set_link_led_t)NULL,
  9919. .phy_specific_func = (phy_specific_func_t)NULL
  9920. };
  9921. static struct bnx2x_phy phy_warpcore = {
  9922. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9923. .addr = 0xff,
  9924. .def_md_devad = 0,
  9925. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9926. FLAGS_TX_ERROR_CHECK),
  9927. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9928. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9929. .mdio_ctrl = 0,
  9930. .supported = (SUPPORTED_10baseT_Half |
  9931. SUPPORTED_10baseT_Full |
  9932. SUPPORTED_100baseT_Half |
  9933. SUPPORTED_100baseT_Full |
  9934. SUPPORTED_1000baseT_Full |
  9935. SUPPORTED_10000baseT_Full |
  9936. SUPPORTED_20000baseKR2_Full |
  9937. SUPPORTED_20000baseMLD2_Full |
  9938. SUPPORTED_FIBRE |
  9939. SUPPORTED_Autoneg |
  9940. SUPPORTED_Pause |
  9941. SUPPORTED_Asym_Pause),
  9942. .media_type = ETH_PHY_UNSPECIFIED,
  9943. .ver_addr = 0,
  9944. .req_flow_ctrl = 0,
  9945. .req_line_speed = 0,
  9946. .speed_cap_mask = 0,
  9947. /* req_duplex = */0,
  9948. /* rsrv = */0,
  9949. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9950. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9951. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9952. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9953. .format_fw_ver = (format_fw_ver_t)NULL,
  9954. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9955. .set_link_led = (set_link_led_t)NULL,
  9956. .phy_specific_func = (phy_specific_func_t)NULL
  9957. };
  9958. static struct bnx2x_phy phy_7101 = {
  9959. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9960. .addr = 0xff,
  9961. .def_md_devad = 0,
  9962. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9963. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9964. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9965. .mdio_ctrl = 0,
  9966. .supported = (SUPPORTED_10000baseT_Full |
  9967. SUPPORTED_TP |
  9968. SUPPORTED_Autoneg |
  9969. SUPPORTED_Pause |
  9970. SUPPORTED_Asym_Pause),
  9971. .media_type = ETH_PHY_BASE_T,
  9972. .ver_addr = 0,
  9973. .req_flow_ctrl = 0,
  9974. .req_line_speed = 0,
  9975. .speed_cap_mask = 0,
  9976. .req_duplex = 0,
  9977. .rsrv = 0,
  9978. .config_init = (config_init_t)bnx2x_7101_config_init,
  9979. .read_status = (read_status_t)bnx2x_7101_read_status,
  9980. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9981. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9982. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9983. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9984. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9985. .phy_specific_func = (phy_specific_func_t)NULL
  9986. };
  9987. static struct bnx2x_phy phy_8073 = {
  9988. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9989. .addr = 0xff,
  9990. .def_md_devad = 0,
  9991. .flags = FLAGS_HW_LOCK_REQUIRED,
  9992. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9993. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9994. .mdio_ctrl = 0,
  9995. .supported = (SUPPORTED_10000baseT_Full |
  9996. SUPPORTED_2500baseX_Full |
  9997. SUPPORTED_1000baseT_Full |
  9998. SUPPORTED_FIBRE |
  9999. SUPPORTED_Autoneg |
  10000. SUPPORTED_Pause |
  10001. SUPPORTED_Asym_Pause),
  10002. .media_type = ETH_PHY_KR,
  10003. .ver_addr = 0,
  10004. .req_flow_ctrl = 0,
  10005. .req_line_speed = 0,
  10006. .speed_cap_mask = 0,
  10007. .req_duplex = 0,
  10008. .rsrv = 0,
  10009. .config_init = (config_init_t)bnx2x_8073_config_init,
  10010. .read_status = (read_status_t)bnx2x_8073_read_status,
  10011. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10012. .config_loopback = (config_loopback_t)NULL,
  10013. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10014. .hw_reset = (hw_reset_t)NULL,
  10015. .set_link_led = (set_link_led_t)NULL,
  10016. .phy_specific_func = (phy_specific_func_t)NULL
  10017. };
  10018. static struct bnx2x_phy phy_8705 = {
  10019. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10020. .addr = 0xff,
  10021. .def_md_devad = 0,
  10022. .flags = FLAGS_INIT_XGXS_FIRST,
  10023. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10024. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10025. .mdio_ctrl = 0,
  10026. .supported = (SUPPORTED_10000baseT_Full |
  10027. SUPPORTED_FIBRE |
  10028. SUPPORTED_Pause |
  10029. SUPPORTED_Asym_Pause),
  10030. .media_type = ETH_PHY_XFP_FIBER,
  10031. .ver_addr = 0,
  10032. .req_flow_ctrl = 0,
  10033. .req_line_speed = 0,
  10034. .speed_cap_mask = 0,
  10035. .req_duplex = 0,
  10036. .rsrv = 0,
  10037. .config_init = (config_init_t)bnx2x_8705_config_init,
  10038. .read_status = (read_status_t)bnx2x_8705_read_status,
  10039. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10040. .config_loopback = (config_loopback_t)NULL,
  10041. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10042. .hw_reset = (hw_reset_t)NULL,
  10043. .set_link_led = (set_link_led_t)NULL,
  10044. .phy_specific_func = (phy_specific_func_t)NULL
  10045. };
  10046. static struct bnx2x_phy phy_8706 = {
  10047. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10048. .addr = 0xff,
  10049. .def_md_devad = 0,
  10050. .flags = FLAGS_INIT_XGXS_FIRST,
  10051. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10052. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10053. .mdio_ctrl = 0,
  10054. .supported = (SUPPORTED_10000baseT_Full |
  10055. SUPPORTED_1000baseT_Full |
  10056. SUPPORTED_FIBRE |
  10057. SUPPORTED_Pause |
  10058. SUPPORTED_Asym_Pause),
  10059. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10060. .ver_addr = 0,
  10061. .req_flow_ctrl = 0,
  10062. .req_line_speed = 0,
  10063. .speed_cap_mask = 0,
  10064. .req_duplex = 0,
  10065. .rsrv = 0,
  10066. .config_init = (config_init_t)bnx2x_8706_config_init,
  10067. .read_status = (read_status_t)bnx2x_8706_read_status,
  10068. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10069. .config_loopback = (config_loopback_t)NULL,
  10070. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10071. .hw_reset = (hw_reset_t)NULL,
  10072. .set_link_led = (set_link_led_t)NULL,
  10073. .phy_specific_func = (phy_specific_func_t)NULL
  10074. };
  10075. static struct bnx2x_phy phy_8726 = {
  10076. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10077. .addr = 0xff,
  10078. .def_md_devad = 0,
  10079. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10080. FLAGS_INIT_XGXS_FIRST |
  10081. FLAGS_TX_ERROR_CHECK),
  10082. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10083. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10084. .mdio_ctrl = 0,
  10085. .supported = (SUPPORTED_10000baseT_Full |
  10086. SUPPORTED_1000baseT_Full |
  10087. SUPPORTED_Autoneg |
  10088. SUPPORTED_FIBRE |
  10089. SUPPORTED_Pause |
  10090. SUPPORTED_Asym_Pause),
  10091. .media_type = ETH_PHY_NOT_PRESENT,
  10092. .ver_addr = 0,
  10093. .req_flow_ctrl = 0,
  10094. .req_line_speed = 0,
  10095. .speed_cap_mask = 0,
  10096. .req_duplex = 0,
  10097. .rsrv = 0,
  10098. .config_init = (config_init_t)bnx2x_8726_config_init,
  10099. .read_status = (read_status_t)bnx2x_8726_read_status,
  10100. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10101. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10102. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10103. .hw_reset = (hw_reset_t)NULL,
  10104. .set_link_led = (set_link_led_t)NULL,
  10105. .phy_specific_func = (phy_specific_func_t)NULL
  10106. };
  10107. static struct bnx2x_phy phy_8727 = {
  10108. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10109. .addr = 0xff,
  10110. .def_md_devad = 0,
  10111. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10112. FLAGS_TX_ERROR_CHECK),
  10113. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10114. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10115. .mdio_ctrl = 0,
  10116. .supported = (SUPPORTED_10000baseT_Full |
  10117. SUPPORTED_1000baseT_Full |
  10118. SUPPORTED_FIBRE |
  10119. SUPPORTED_Pause |
  10120. SUPPORTED_Asym_Pause),
  10121. .media_type = ETH_PHY_NOT_PRESENT,
  10122. .ver_addr = 0,
  10123. .req_flow_ctrl = 0,
  10124. .req_line_speed = 0,
  10125. .speed_cap_mask = 0,
  10126. .req_duplex = 0,
  10127. .rsrv = 0,
  10128. .config_init = (config_init_t)bnx2x_8727_config_init,
  10129. .read_status = (read_status_t)bnx2x_8727_read_status,
  10130. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10131. .config_loopback = (config_loopback_t)NULL,
  10132. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10133. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10134. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10135. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10136. };
  10137. static struct bnx2x_phy phy_8481 = {
  10138. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10139. .addr = 0xff,
  10140. .def_md_devad = 0,
  10141. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10142. FLAGS_REARM_LATCH_SIGNAL,
  10143. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10144. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10145. .mdio_ctrl = 0,
  10146. .supported = (SUPPORTED_10baseT_Half |
  10147. SUPPORTED_10baseT_Full |
  10148. SUPPORTED_100baseT_Half |
  10149. SUPPORTED_100baseT_Full |
  10150. SUPPORTED_1000baseT_Full |
  10151. SUPPORTED_10000baseT_Full |
  10152. SUPPORTED_TP |
  10153. SUPPORTED_Autoneg |
  10154. SUPPORTED_Pause |
  10155. SUPPORTED_Asym_Pause),
  10156. .media_type = ETH_PHY_BASE_T,
  10157. .ver_addr = 0,
  10158. .req_flow_ctrl = 0,
  10159. .req_line_speed = 0,
  10160. .speed_cap_mask = 0,
  10161. .req_duplex = 0,
  10162. .rsrv = 0,
  10163. .config_init = (config_init_t)bnx2x_8481_config_init,
  10164. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10165. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10166. .config_loopback = (config_loopback_t)NULL,
  10167. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10168. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10169. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10170. .phy_specific_func = (phy_specific_func_t)NULL
  10171. };
  10172. static struct bnx2x_phy phy_84823 = {
  10173. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10174. .addr = 0xff,
  10175. .def_md_devad = 0,
  10176. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10177. FLAGS_REARM_LATCH_SIGNAL |
  10178. FLAGS_TX_ERROR_CHECK),
  10179. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10180. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10181. .mdio_ctrl = 0,
  10182. .supported = (SUPPORTED_10baseT_Half |
  10183. SUPPORTED_10baseT_Full |
  10184. SUPPORTED_100baseT_Half |
  10185. SUPPORTED_100baseT_Full |
  10186. SUPPORTED_1000baseT_Full |
  10187. SUPPORTED_10000baseT_Full |
  10188. SUPPORTED_TP |
  10189. SUPPORTED_Autoneg |
  10190. SUPPORTED_Pause |
  10191. SUPPORTED_Asym_Pause),
  10192. .media_type = ETH_PHY_BASE_T,
  10193. .ver_addr = 0,
  10194. .req_flow_ctrl = 0,
  10195. .req_line_speed = 0,
  10196. .speed_cap_mask = 0,
  10197. .req_duplex = 0,
  10198. .rsrv = 0,
  10199. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10200. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10201. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10202. .config_loopback = (config_loopback_t)NULL,
  10203. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10204. .hw_reset = (hw_reset_t)NULL,
  10205. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10206. .phy_specific_func = (phy_specific_func_t)NULL
  10207. };
  10208. static struct bnx2x_phy phy_84833 = {
  10209. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10210. .addr = 0xff,
  10211. .def_md_devad = 0,
  10212. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10213. FLAGS_REARM_LATCH_SIGNAL |
  10214. FLAGS_TX_ERROR_CHECK |
  10215. FLAGS_EEE_10GBT),
  10216. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10217. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10218. .mdio_ctrl = 0,
  10219. .supported = (SUPPORTED_100baseT_Half |
  10220. SUPPORTED_100baseT_Full |
  10221. SUPPORTED_1000baseT_Full |
  10222. SUPPORTED_10000baseT_Full |
  10223. SUPPORTED_TP |
  10224. SUPPORTED_Autoneg |
  10225. SUPPORTED_Pause |
  10226. SUPPORTED_Asym_Pause),
  10227. .media_type = ETH_PHY_BASE_T,
  10228. .ver_addr = 0,
  10229. .req_flow_ctrl = 0,
  10230. .req_line_speed = 0,
  10231. .speed_cap_mask = 0,
  10232. .req_duplex = 0,
  10233. .rsrv = 0,
  10234. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10235. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10236. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10237. .config_loopback = (config_loopback_t)NULL,
  10238. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10239. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10240. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10241. .phy_specific_func = (phy_specific_func_t)NULL
  10242. };
  10243. static struct bnx2x_phy phy_54618se = {
  10244. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10245. .addr = 0xff,
  10246. .def_md_devad = 0,
  10247. .flags = FLAGS_INIT_XGXS_FIRST,
  10248. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10249. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10250. .mdio_ctrl = 0,
  10251. .supported = (SUPPORTED_10baseT_Half |
  10252. SUPPORTED_10baseT_Full |
  10253. SUPPORTED_100baseT_Half |
  10254. SUPPORTED_100baseT_Full |
  10255. SUPPORTED_1000baseT_Full |
  10256. SUPPORTED_TP |
  10257. SUPPORTED_Autoneg |
  10258. SUPPORTED_Pause |
  10259. SUPPORTED_Asym_Pause),
  10260. .media_type = ETH_PHY_BASE_T,
  10261. .ver_addr = 0,
  10262. .req_flow_ctrl = 0,
  10263. .req_line_speed = 0,
  10264. .speed_cap_mask = 0,
  10265. /* req_duplex = */0,
  10266. /* rsrv = */0,
  10267. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10268. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10269. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10270. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10271. .format_fw_ver = (format_fw_ver_t)NULL,
  10272. .hw_reset = (hw_reset_t)NULL,
  10273. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10274. .phy_specific_func = (phy_specific_func_t)NULL
  10275. };
  10276. /*****************************************************************/
  10277. /* */
  10278. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10279. /* */
  10280. /*****************************************************************/
  10281. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10282. struct bnx2x_phy *phy, u8 port,
  10283. u8 phy_index)
  10284. {
  10285. /* Get the 4 lanes xgxs config rx and tx */
  10286. u32 rx = 0, tx = 0, i;
  10287. for (i = 0; i < 2; i++) {
  10288. /* INT_PHY and EXT_PHY1 share the same value location in
  10289. * the shmem. When num_phys is greater than 1, than this value
  10290. * applies only to EXT_PHY1
  10291. */
  10292. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10293. rx = REG_RD(bp, shmem_base +
  10294. offsetof(struct shmem_region,
  10295. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10296. tx = REG_RD(bp, shmem_base +
  10297. offsetof(struct shmem_region,
  10298. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10299. } else {
  10300. rx = REG_RD(bp, shmem_base +
  10301. offsetof(struct shmem_region,
  10302. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10303. tx = REG_RD(bp, shmem_base +
  10304. offsetof(struct shmem_region,
  10305. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10306. }
  10307. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10308. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10309. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10310. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10311. }
  10312. }
  10313. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10314. u8 phy_index, u8 port)
  10315. {
  10316. u32 ext_phy_config = 0;
  10317. switch (phy_index) {
  10318. case EXT_PHY1:
  10319. ext_phy_config = REG_RD(bp, shmem_base +
  10320. offsetof(struct shmem_region,
  10321. dev_info.port_hw_config[port].external_phy_config));
  10322. break;
  10323. case EXT_PHY2:
  10324. ext_phy_config = REG_RD(bp, shmem_base +
  10325. offsetof(struct shmem_region,
  10326. dev_info.port_hw_config[port].external_phy_config2));
  10327. break;
  10328. default:
  10329. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10330. return -EINVAL;
  10331. }
  10332. return ext_phy_config;
  10333. }
  10334. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10335. struct bnx2x_phy *phy)
  10336. {
  10337. u32 phy_addr;
  10338. u32 chip_id;
  10339. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10340. offsetof(struct shmem_region,
  10341. dev_info.port_feature_config[port].link_config)) &
  10342. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10343. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10344. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10345. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10346. if (USES_WARPCORE(bp)) {
  10347. u32 serdes_net_if;
  10348. phy_addr = REG_RD(bp,
  10349. MISC_REG_WC0_CTRL_PHY_ADDR);
  10350. *phy = phy_warpcore;
  10351. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10352. phy->flags |= FLAGS_4_PORT_MODE;
  10353. else
  10354. phy->flags &= ~FLAGS_4_PORT_MODE;
  10355. /* Check Dual mode */
  10356. serdes_net_if = (REG_RD(bp, shmem_base +
  10357. offsetof(struct shmem_region, dev_info.
  10358. port_hw_config[port].default_cfg)) &
  10359. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10360. /* Set the appropriate supported and flags indications per
  10361. * interface type of the chip
  10362. */
  10363. switch (serdes_net_if) {
  10364. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10365. phy->supported &= (SUPPORTED_10baseT_Half |
  10366. SUPPORTED_10baseT_Full |
  10367. SUPPORTED_100baseT_Half |
  10368. SUPPORTED_100baseT_Full |
  10369. SUPPORTED_1000baseT_Full |
  10370. SUPPORTED_FIBRE |
  10371. SUPPORTED_Autoneg |
  10372. SUPPORTED_Pause |
  10373. SUPPORTED_Asym_Pause);
  10374. phy->media_type = ETH_PHY_BASE_T;
  10375. break;
  10376. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10377. phy->media_type = ETH_PHY_XFP_FIBER;
  10378. break;
  10379. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10380. phy->supported &= (SUPPORTED_1000baseT_Full |
  10381. SUPPORTED_10000baseT_Full |
  10382. SUPPORTED_FIBRE |
  10383. SUPPORTED_Pause |
  10384. SUPPORTED_Asym_Pause);
  10385. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10386. break;
  10387. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10388. phy->media_type = ETH_PHY_KR;
  10389. phy->supported &= (SUPPORTED_1000baseT_Full |
  10390. SUPPORTED_10000baseT_Full |
  10391. SUPPORTED_FIBRE |
  10392. SUPPORTED_Autoneg |
  10393. SUPPORTED_Pause |
  10394. SUPPORTED_Asym_Pause);
  10395. break;
  10396. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10397. phy->media_type = ETH_PHY_KR;
  10398. phy->flags |= FLAGS_WC_DUAL_MODE;
  10399. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10400. SUPPORTED_FIBRE |
  10401. SUPPORTED_Pause |
  10402. SUPPORTED_Asym_Pause);
  10403. break;
  10404. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10405. phy->media_type = ETH_PHY_KR;
  10406. phy->flags |= FLAGS_WC_DUAL_MODE;
  10407. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10408. SUPPORTED_FIBRE |
  10409. SUPPORTED_Pause |
  10410. SUPPORTED_Asym_Pause);
  10411. break;
  10412. default:
  10413. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10414. serdes_net_if);
  10415. break;
  10416. }
  10417. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10418. * was not set as expected. For B0, ECO will be enabled so there
  10419. * won't be an issue there
  10420. */
  10421. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10422. phy->flags |= FLAGS_MDC_MDIO_WA;
  10423. else
  10424. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10425. } else {
  10426. switch (switch_cfg) {
  10427. case SWITCH_CFG_1G:
  10428. phy_addr = REG_RD(bp,
  10429. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10430. port * 0x10);
  10431. *phy = phy_serdes;
  10432. break;
  10433. case SWITCH_CFG_10G:
  10434. phy_addr = REG_RD(bp,
  10435. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10436. port * 0x18);
  10437. *phy = phy_xgxs;
  10438. break;
  10439. default:
  10440. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10441. return -EINVAL;
  10442. }
  10443. }
  10444. phy->addr = (u8)phy_addr;
  10445. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10446. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10447. port);
  10448. if (CHIP_IS_E2(bp))
  10449. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10450. else
  10451. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10452. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10453. port, phy->addr, phy->mdio_ctrl);
  10454. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10455. return 0;
  10456. }
  10457. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10458. u8 phy_index,
  10459. u32 shmem_base,
  10460. u32 shmem2_base,
  10461. u8 port,
  10462. struct bnx2x_phy *phy)
  10463. {
  10464. u32 ext_phy_config, phy_type, config2;
  10465. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10466. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10467. phy_index, port);
  10468. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10469. /* Select the phy type */
  10470. switch (phy_type) {
  10471. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10472. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10473. *phy = phy_8073;
  10474. break;
  10475. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10476. *phy = phy_8705;
  10477. break;
  10478. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10479. *phy = phy_8706;
  10480. break;
  10481. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10482. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10483. *phy = phy_8726;
  10484. break;
  10485. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10486. /* BCM8727_NOC => BCM8727 no over current */
  10487. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10488. *phy = phy_8727;
  10489. phy->flags |= FLAGS_NOC;
  10490. break;
  10491. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10492. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10493. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10494. *phy = phy_8727;
  10495. break;
  10496. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10497. *phy = phy_8481;
  10498. break;
  10499. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10500. *phy = phy_84823;
  10501. break;
  10502. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10503. *phy = phy_84833;
  10504. break;
  10505. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10506. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10507. *phy = phy_54618se;
  10508. break;
  10509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10510. *phy = phy_7101;
  10511. break;
  10512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10513. *phy = phy_null;
  10514. return -EINVAL;
  10515. default:
  10516. *phy = phy_null;
  10517. /* In case external PHY wasn't found */
  10518. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10519. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10520. return -EINVAL;
  10521. return 0;
  10522. }
  10523. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10524. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10525. /* The shmem address of the phy version is located on different
  10526. * structures. In case this structure is too old, do not set
  10527. * the address
  10528. */
  10529. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10530. dev_info.shared_hw_config.config2));
  10531. if (phy_index == EXT_PHY1) {
  10532. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10533. port_mb[port].ext_phy_fw_version);
  10534. /* Check specific mdc mdio settings */
  10535. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10536. mdc_mdio_access = config2 &
  10537. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10538. } else {
  10539. u32 size = REG_RD(bp, shmem2_base);
  10540. if (size >
  10541. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10542. phy->ver_addr = shmem2_base +
  10543. offsetof(struct shmem2_region,
  10544. ext_phy_fw_version2[port]);
  10545. }
  10546. /* Check specific mdc mdio settings */
  10547. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10548. mdc_mdio_access = (config2 &
  10549. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10550. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10551. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10552. }
  10553. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10554. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10555. (phy->ver_addr)) {
  10556. /* Remove 100Mb link supported for BCM84833 when phy fw
  10557. * version lower than or equal to 1.39
  10558. */
  10559. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10560. if (((raw_ver & 0x7F) <= 39) &&
  10561. (((raw_ver & 0xF80) >> 7) <= 1))
  10562. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10563. SUPPORTED_100baseT_Full);
  10564. }
  10565. /* In case mdc/mdio_access of the external phy is different than the
  10566. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10567. * to prevent one port interfere with another port's CL45 operations.
  10568. */
  10569. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10570. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10571. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10572. phy_type, port, phy_index);
  10573. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10574. phy->addr, phy->mdio_ctrl);
  10575. return 0;
  10576. }
  10577. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10578. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10579. {
  10580. int status = 0;
  10581. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10582. if (phy_index == INT_PHY)
  10583. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10584. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10585. port, phy);
  10586. return status;
  10587. }
  10588. static void bnx2x_phy_def_cfg(struct link_params *params,
  10589. struct bnx2x_phy *phy,
  10590. u8 phy_index)
  10591. {
  10592. struct bnx2x *bp = params->bp;
  10593. u32 link_config;
  10594. /* Populate the default phy configuration for MF mode */
  10595. if (phy_index == EXT_PHY2) {
  10596. link_config = REG_RD(bp, params->shmem_base +
  10597. offsetof(struct shmem_region, dev_info.
  10598. port_feature_config[params->port].link_config2));
  10599. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10600. offsetof(struct shmem_region,
  10601. dev_info.
  10602. port_hw_config[params->port].speed_capability_mask2));
  10603. } else {
  10604. link_config = REG_RD(bp, params->shmem_base +
  10605. offsetof(struct shmem_region, dev_info.
  10606. port_feature_config[params->port].link_config));
  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_mask));
  10611. }
  10612. DP(NETIF_MSG_LINK,
  10613. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10614. phy_index, link_config, phy->speed_cap_mask);
  10615. phy->req_duplex = DUPLEX_FULL;
  10616. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10617. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10618. phy->req_duplex = DUPLEX_HALF;
  10619. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10620. phy->req_line_speed = SPEED_10;
  10621. break;
  10622. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10623. phy->req_duplex = DUPLEX_HALF;
  10624. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10625. phy->req_line_speed = SPEED_100;
  10626. break;
  10627. case PORT_FEATURE_LINK_SPEED_1G:
  10628. phy->req_line_speed = SPEED_1000;
  10629. break;
  10630. case PORT_FEATURE_LINK_SPEED_2_5G:
  10631. phy->req_line_speed = SPEED_2500;
  10632. break;
  10633. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10634. phy->req_line_speed = SPEED_10000;
  10635. break;
  10636. default:
  10637. phy->req_line_speed = SPEED_AUTO_NEG;
  10638. break;
  10639. }
  10640. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10641. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10642. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10643. break;
  10644. case PORT_FEATURE_FLOW_CONTROL_TX:
  10645. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10646. break;
  10647. case PORT_FEATURE_FLOW_CONTROL_RX:
  10648. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10649. break;
  10650. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10651. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10652. break;
  10653. default:
  10654. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10655. break;
  10656. }
  10657. }
  10658. u32 bnx2x_phy_selection(struct link_params *params)
  10659. {
  10660. u32 phy_config_swapped, prio_cfg;
  10661. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10662. phy_config_swapped = params->multi_phy_config &
  10663. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10664. prio_cfg = params->multi_phy_config &
  10665. PORT_HW_CFG_PHY_SELECTION_MASK;
  10666. if (phy_config_swapped) {
  10667. switch (prio_cfg) {
  10668. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10669. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10670. break;
  10671. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10672. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10673. break;
  10674. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10675. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10676. break;
  10677. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10678. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10679. break;
  10680. }
  10681. } else
  10682. return_cfg = prio_cfg;
  10683. return return_cfg;
  10684. }
  10685. int bnx2x_phy_probe(struct link_params *params)
  10686. {
  10687. u8 phy_index, actual_phy_idx;
  10688. u32 phy_config_swapped, sync_offset, media_types;
  10689. struct bnx2x *bp = params->bp;
  10690. struct bnx2x_phy *phy;
  10691. params->num_phys = 0;
  10692. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10693. phy_config_swapped = params->multi_phy_config &
  10694. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10695. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10696. phy_index++) {
  10697. actual_phy_idx = phy_index;
  10698. if (phy_config_swapped) {
  10699. if (phy_index == EXT_PHY1)
  10700. actual_phy_idx = EXT_PHY2;
  10701. else if (phy_index == EXT_PHY2)
  10702. actual_phy_idx = EXT_PHY1;
  10703. }
  10704. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10705. " actual_phy_idx %x\n", phy_config_swapped,
  10706. phy_index, actual_phy_idx);
  10707. phy = &params->phy[actual_phy_idx];
  10708. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10709. params->shmem2_base, params->port,
  10710. phy) != 0) {
  10711. params->num_phys = 0;
  10712. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10713. phy_index);
  10714. for (phy_index = INT_PHY;
  10715. phy_index < MAX_PHYS;
  10716. phy_index++)
  10717. *phy = phy_null;
  10718. return -EINVAL;
  10719. }
  10720. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10721. break;
  10722. if (params->feature_config_flags &
  10723. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10724. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10725. sync_offset = params->shmem_base +
  10726. offsetof(struct shmem_region,
  10727. dev_info.port_hw_config[params->port].media_type);
  10728. media_types = REG_RD(bp, sync_offset);
  10729. /* Update media type for non-PMF sync only for the first time
  10730. * In case the media type changes afterwards, it will be updated
  10731. * using the update_status function
  10732. */
  10733. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10734. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10735. actual_phy_idx))) == 0) {
  10736. media_types |= ((phy->media_type &
  10737. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10738. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10739. actual_phy_idx));
  10740. }
  10741. REG_WR(bp, sync_offset, media_types);
  10742. bnx2x_phy_def_cfg(params, phy, phy_index);
  10743. params->num_phys++;
  10744. }
  10745. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10746. return 0;
  10747. }
  10748. void bnx2x_init_bmac_loopback(struct link_params *params,
  10749. struct link_vars *vars)
  10750. {
  10751. struct bnx2x *bp = params->bp;
  10752. vars->link_up = 1;
  10753. vars->line_speed = SPEED_10000;
  10754. vars->duplex = DUPLEX_FULL;
  10755. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10756. vars->mac_type = MAC_TYPE_BMAC;
  10757. vars->phy_flags = PHY_XGXS_FLAG;
  10758. bnx2x_xgxs_deassert(params);
  10759. /* set bmac loopback */
  10760. bnx2x_bmac_enable(params, vars, 1);
  10761. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10762. }
  10763. void bnx2x_init_emac_loopback(struct link_params *params,
  10764. struct link_vars *vars)
  10765. {
  10766. struct bnx2x *bp = params->bp;
  10767. vars->link_up = 1;
  10768. vars->line_speed = SPEED_1000;
  10769. vars->duplex = DUPLEX_FULL;
  10770. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10771. vars->mac_type = MAC_TYPE_EMAC;
  10772. vars->phy_flags = PHY_XGXS_FLAG;
  10773. bnx2x_xgxs_deassert(params);
  10774. /* set bmac loopback */
  10775. bnx2x_emac_enable(params, vars, 1);
  10776. bnx2x_emac_program(params, vars);
  10777. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10778. }
  10779. void bnx2x_init_xmac_loopback(struct link_params *params,
  10780. struct link_vars *vars)
  10781. {
  10782. struct bnx2x *bp = params->bp;
  10783. vars->link_up = 1;
  10784. if (!params->req_line_speed[0])
  10785. vars->line_speed = SPEED_10000;
  10786. else
  10787. vars->line_speed = params->req_line_speed[0];
  10788. vars->duplex = DUPLEX_FULL;
  10789. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10790. vars->mac_type = MAC_TYPE_XMAC;
  10791. vars->phy_flags = PHY_XGXS_FLAG;
  10792. /* Set WC to loopback mode since link is required to provide clock
  10793. * to the XMAC in 20G mode
  10794. */
  10795. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10796. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10797. params->phy[INT_PHY].config_loopback(
  10798. &params->phy[INT_PHY],
  10799. params);
  10800. bnx2x_xmac_enable(params, vars, 1);
  10801. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10802. }
  10803. void bnx2x_init_umac_loopback(struct link_params *params,
  10804. struct link_vars *vars)
  10805. {
  10806. struct bnx2x *bp = params->bp;
  10807. vars->link_up = 1;
  10808. vars->line_speed = SPEED_1000;
  10809. vars->duplex = DUPLEX_FULL;
  10810. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10811. vars->mac_type = MAC_TYPE_UMAC;
  10812. vars->phy_flags = PHY_XGXS_FLAG;
  10813. bnx2x_umac_enable(params, vars, 1);
  10814. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10815. }
  10816. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10817. struct link_vars *vars)
  10818. {
  10819. struct bnx2x *bp = params->bp;
  10820. vars->link_up = 1;
  10821. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10822. vars->duplex = DUPLEX_FULL;
  10823. if (params->req_line_speed[0] == SPEED_1000)
  10824. vars->line_speed = SPEED_1000;
  10825. else
  10826. vars->line_speed = SPEED_10000;
  10827. if (!USES_WARPCORE(bp))
  10828. bnx2x_xgxs_deassert(params);
  10829. bnx2x_link_initialize(params, vars);
  10830. if (params->req_line_speed[0] == SPEED_1000) {
  10831. if (USES_WARPCORE(bp))
  10832. bnx2x_umac_enable(params, vars, 0);
  10833. else {
  10834. bnx2x_emac_program(params, vars);
  10835. bnx2x_emac_enable(params, vars, 0);
  10836. }
  10837. } else {
  10838. if (USES_WARPCORE(bp))
  10839. bnx2x_xmac_enable(params, vars, 0);
  10840. else
  10841. bnx2x_bmac_enable(params, vars, 0);
  10842. }
  10843. if (params->loopback_mode == LOOPBACK_XGXS) {
  10844. /* set 10G XGXS loopback */
  10845. params->phy[INT_PHY].config_loopback(
  10846. &params->phy[INT_PHY],
  10847. params);
  10848. } else {
  10849. /* set external phy loopback */
  10850. u8 phy_index;
  10851. for (phy_index = EXT_PHY1;
  10852. phy_index < params->num_phys; phy_index++) {
  10853. if (params->phy[phy_index].config_loopback)
  10854. params->phy[phy_index].config_loopback(
  10855. &params->phy[phy_index],
  10856. params);
  10857. }
  10858. }
  10859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10860. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10861. }
  10862. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10863. {
  10864. struct bnx2x *bp = params->bp;
  10865. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10866. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10867. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10868. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10869. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10870. vars->link_status = 0;
  10871. vars->phy_link_up = 0;
  10872. vars->link_up = 0;
  10873. vars->line_speed = 0;
  10874. vars->duplex = DUPLEX_FULL;
  10875. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10876. vars->mac_type = MAC_TYPE_NONE;
  10877. vars->phy_flags = 0;
  10878. /* Disable attentions */
  10879. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10880. (NIG_MASK_XGXS0_LINK_STATUS |
  10881. NIG_MASK_XGXS0_LINK10G |
  10882. NIG_MASK_SERDES0_LINK_STATUS |
  10883. NIG_MASK_MI_INT));
  10884. bnx2x_emac_init(params, vars);
  10885. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10886. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10887. if (params->num_phys == 0) {
  10888. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10889. return -EINVAL;
  10890. }
  10891. set_phy_vars(params, vars);
  10892. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10893. switch (params->loopback_mode) {
  10894. case LOOPBACK_BMAC:
  10895. bnx2x_init_bmac_loopback(params, vars);
  10896. break;
  10897. case LOOPBACK_EMAC:
  10898. bnx2x_init_emac_loopback(params, vars);
  10899. break;
  10900. case LOOPBACK_XMAC:
  10901. bnx2x_init_xmac_loopback(params, vars);
  10902. break;
  10903. case LOOPBACK_UMAC:
  10904. bnx2x_init_umac_loopback(params, vars);
  10905. break;
  10906. case LOOPBACK_XGXS:
  10907. case LOOPBACK_EXT_PHY:
  10908. bnx2x_init_xgxs_loopback(params, vars);
  10909. break;
  10910. default:
  10911. if (!CHIP_IS_E3(bp)) {
  10912. if (params->switch_cfg == SWITCH_CFG_10G)
  10913. bnx2x_xgxs_deassert(params);
  10914. else
  10915. bnx2x_serdes_deassert(bp, params->port);
  10916. }
  10917. bnx2x_link_initialize(params, vars);
  10918. msleep(30);
  10919. bnx2x_link_int_enable(params);
  10920. break;
  10921. }
  10922. bnx2x_update_mng(params, vars->link_status);
  10923. bnx2x_update_mng_eee(params, vars->eee_status);
  10924. return 0;
  10925. }
  10926. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10927. u8 reset_ext_phy)
  10928. {
  10929. struct bnx2x *bp = params->bp;
  10930. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10931. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10932. /* Disable attentions */
  10933. vars->link_status = 0;
  10934. bnx2x_update_mng(params, vars->link_status);
  10935. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10936. SHMEM_EEE_ACTIVE_BIT);
  10937. bnx2x_update_mng_eee(params, vars->eee_status);
  10938. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10939. (NIG_MASK_XGXS0_LINK_STATUS |
  10940. NIG_MASK_XGXS0_LINK10G |
  10941. NIG_MASK_SERDES0_LINK_STATUS |
  10942. NIG_MASK_MI_INT));
  10943. /* Activate nig drain */
  10944. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10945. /* Disable nig egress interface */
  10946. if (!CHIP_IS_E3(bp)) {
  10947. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10948. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10949. }
  10950. /* Stop BigMac rx */
  10951. if (!CHIP_IS_E3(bp))
  10952. bnx2x_bmac_rx_disable(bp, port);
  10953. else {
  10954. bnx2x_xmac_disable(params);
  10955. bnx2x_umac_disable(params);
  10956. }
  10957. /* Disable emac */
  10958. if (!CHIP_IS_E3(bp))
  10959. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10960. usleep_range(10000, 20000);
  10961. /* The PHY reset is controlled by GPIO 1
  10962. * Hold it as vars low
  10963. */
  10964. /* Clear link led */
  10965. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10966. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10967. if (reset_ext_phy) {
  10968. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10969. phy_index++) {
  10970. if (params->phy[phy_index].link_reset) {
  10971. bnx2x_set_aer_mmd(params,
  10972. &params->phy[phy_index]);
  10973. params->phy[phy_index].link_reset(
  10974. &params->phy[phy_index],
  10975. params);
  10976. }
  10977. if (params->phy[phy_index].flags &
  10978. FLAGS_REARM_LATCH_SIGNAL)
  10979. clear_latch_ind = 1;
  10980. }
  10981. }
  10982. if (clear_latch_ind) {
  10983. /* Clear latching indication */
  10984. bnx2x_rearm_latch_signal(bp, port, 0);
  10985. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10986. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10987. }
  10988. if (params->phy[INT_PHY].link_reset)
  10989. params->phy[INT_PHY].link_reset(
  10990. &params->phy[INT_PHY], params);
  10991. /* Disable nig ingress interface */
  10992. if (!CHIP_IS_E3(bp)) {
  10993. /* Reset BigMac */
  10994. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10995. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10996. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10997. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10998. } else {
  10999. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11000. bnx2x_set_xumac_nig(params, 0, 0);
  11001. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11002. MISC_REGISTERS_RESET_REG_2_XMAC)
  11003. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11004. XMAC_CTRL_REG_SOFT_RESET);
  11005. }
  11006. vars->link_up = 0;
  11007. vars->phy_flags = 0;
  11008. return 0;
  11009. }
  11010. /****************************************************************************/
  11011. /* Common function */
  11012. /****************************************************************************/
  11013. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11014. u32 shmem_base_path[],
  11015. u32 shmem2_base_path[], u8 phy_index,
  11016. u32 chip_id)
  11017. {
  11018. struct bnx2x_phy phy[PORT_MAX];
  11019. struct bnx2x_phy *phy_blk[PORT_MAX];
  11020. u16 val;
  11021. s8 port = 0;
  11022. s8 port_of_path = 0;
  11023. u32 swap_val, swap_override;
  11024. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11025. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11026. port ^= (swap_val && swap_override);
  11027. bnx2x_ext_phy_hw_reset(bp, port);
  11028. /* PART1 - Reset both phys */
  11029. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11030. u32 shmem_base, shmem2_base;
  11031. /* In E2, same phy is using for port0 of the two paths */
  11032. if (CHIP_IS_E1x(bp)) {
  11033. shmem_base = shmem_base_path[0];
  11034. shmem2_base = shmem2_base_path[0];
  11035. port_of_path = port;
  11036. } else {
  11037. shmem_base = shmem_base_path[port];
  11038. shmem2_base = shmem2_base_path[port];
  11039. port_of_path = 0;
  11040. }
  11041. /* Extract the ext phy address for the port */
  11042. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11043. port_of_path, &phy[port]) !=
  11044. 0) {
  11045. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11046. return -EINVAL;
  11047. }
  11048. /* Disable attentions */
  11049. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11050. port_of_path*4,
  11051. (NIG_MASK_XGXS0_LINK_STATUS |
  11052. NIG_MASK_XGXS0_LINK10G |
  11053. NIG_MASK_SERDES0_LINK_STATUS |
  11054. NIG_MASK_MI_INT));
  11055. /* Need to take the phy out of low power mode in order
  11056. * to write to access its registers
  11057. */
  11058. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11059. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11060. port);
  11061. /* Reset the phy */
  11062. bnx2x_cl45_write(bp, &phy[port],
  11063. MDIO_PMA_DEVAD,
  11064. MDIO_PMA_REG_CTRL,
  11065. 1<<15);
  11066. }
  11067. /* Add delay of 150ms after reset */
  11068. msleep(150);
  11069. if (phy[PORT_0].addr & 0x1) {
  11070. phy_blk[PORT_0] = &(phy[PORT_1]);
  11071. phy_blk[PORT_1] = &(phy[PORT_0]);
  11072. } else {
  11073. phy_blk[PORT_0] = &(phy[PORT_0]);
  11074. phy_blk[PORT_1] = &(phy[PORT_1]);
  11075. }
  11076. /* PART2 - Download firmware to both phys */
  11077. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11078. if (CHIP_IS_E1x(bp))
  11079. port_of_path = port;
  11080. else
  11081. port_of_path = 0;
  11082. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11083. phy_blk[port]->addr);
  11084. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11085. port_of_path))
  11086. return -EINVAL;
  11087. /* Only set bit 10 = 1 (Tx power down) */
  11088. bnx2x_cl45_read(bp, phy_blk[port],
  11089. MDIO_PMA_DEVAD,
  11090. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11091. /* Phase1 of TX_POWER_DOWN reset */
  11092. bnx2x_cl45_write(bp, phy_blk[port],
  11093. MDIO_PMA_DEVAD,
  11094. MDIO_PMA_REG_TX_POWER_DOWN,
  11095. (val | 1<<10));
  11096. }
  11097. /* Toggle Transmitter: Power down and then up with 600ms delay
  11098. * between
  11099. */
  11100. msleep(600);
  11101. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11102. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11103. /* Phase2 of POWER_DOWN_RESET */
  11104. /* Release bit 10 (Release Tx power down) */
  11105. bnx2x_cl45_read(bp, phy_blk[port],
  11106. MDIO_PMA_DEVAD,
  11107. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11108. bnx2x_cl45_write(bp, phy_blk[port],
  11109. MDIO_PMA_DEVAD,
  11110. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11111. usleep_range(15000, 30000);
  11112. /* Read modify write the SPI-ROM version select register */
  11113. bnx2x_cl45_read(bp, phy_blk[port],
  11114. MDIO_PMA_DEVAD,
  11115. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11116. bnx2x_cl45_write(bp, phy_blk[port],
  11117. MDIO_PMA_DEVAD,
  11118. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11119. /* set GPIO2 back to LOW */
  11120. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11121. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11122. }
  11123. return 0;
  11124. }
  11125. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11126. u32 shmem_base_path[],
  11127. u32 shmem2_base_path[], u8 phy_index,
  11128. u32 chip_id)
  11129. {
  11130. u32 val;
  11131. s8 port;
  11132. struct bnx2x_phy phy;
  11133. /* Use port1 because of the static port-swap */
  11134. /* Enable the module detection interrupt */
  11135. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11136. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11137. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11138. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11139. bnx2x_ext_phy_hw_reset(bp, 0);
  11140. usleep_range(5000, 10000);
  11141. for (port = 0; port < PORT_MAX; port++) {
  11142. u32 shmem_base, shmem2_base;
  11143. /* In E2, same phy is using for port0 of the two paths */
  11144. if (CHIP_IS_E1x(bp)) {
  11145. shmem_base = shmem_base_path[0];
  11146. shmem2_base = shmem2_base_path[0];
  11147. } else {
  11148. shmem_base = shmem_base_path[port];
  11149. shmem2_base = shmem2_base_path[port];
  11150. }
  11151. /* Extract the ext phy address for the port */
  11152. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11153. port, &phy) !=
  11154. 0) {
  11155. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11156. return -EINVAL;
  11157. }
  11158. /* Reset phy*/
  11159. bnx2x_cl45_write(bp, &phy,
  11160. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11161. /* Set fault module detected LED on */
  11162. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11163. MISC_REGISTERS_GPIO_HIGH,
  11164. port);
  11165. }
  11166. return 0;
  11167. }
  11168. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11169. u8 *io_gpio, u8 *io_port)
  11170. {
  11171. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11172. offsetof(struct shmem_region,
  11173. dev_info.port_hw_config[PORT_0].default_cfg));
  11174. switch (phy_gpio_reset) {
  11175. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11176. *io_gpio = 0;
  11177. *io_port = 0;
  11178. break;
  11179. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11180. *io_gpio = 1;
  11181. *io_port = 0;
  11182. break;
  11183. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11184. *io_gpio = 2;
  11185. *io_port = 0;
  11186. break;
  11187. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11188. *io_gpio = 3;
  11189. *io_port = 0;
  11190. break;
  11191. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11192. *io_gpio = 0;
  11193. *io_port = 1;
  11194. break;
  11195. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11196. *io_gpio = 1;
  11197. *io_port = 1;
  11198. break;
  11199. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11200. *io_gpio = 2;
  11201. *io_port = 1;
  11202. break;
  11203. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11204. *io_gpio = 3;
  11205. *io_port = 1;
  11206. break;
  11207. default:
  11208. /* Don't override the io_gpio and io_port */
  11209. break;
  11210. }
  11211. }
  11212. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11213. u32 shmem_base_path[],
  11214. u32 shmem2_base_path[], u8 phy_index,
  11215. u32 chip_id)
  11216. {
  11217. s8 port, reset_gpio;
  11218. u32 swap_val, swap_override;
  11219. struct bnx2x_phy phy[PORT_MAX];
  11220. struct bnx2x_phy *phy_blk[PORT_MAX];
  11221. s8 port_of_path;
  11222. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11223. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11224. reset_gpio = MISC_REGISTERS_GPIO_1;
  11225. port = 1;
  11226. /* Retrieve the reset gpio/port which control the reset.
  11227. * Default is GPIO1, PORT1
  11228. */
  11229. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11230. (u8 *)&reset_gpio, (u8 *)&port);
  11231. /* Calculate the port based on port swap */
  11232. port ^= (swap_val && swap_override);
  11233. /* Initiate PHY reset*/
  11234. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11235. port);
  11236. usleep_range(1000, 2000);
  11237. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11238. port);
  11239. usleep_range(5000, 10000);
  11240. /* PART1 - Reset both phys */
  11241. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11242. u32 shmem_base, shmem2_base;
  11243. /* In E2, same phy is using for port0 of the two paths */
  11244. if (CHIP_IS_E1x(bp)) {
  11245. shmem_base = shmem_base_path[0];
  11246. shmem2_base = shmem2_base_path[0];
  11247. port_of_path = port;
  11248. } else {
  11249. shmem_base = shmem_base_path[port];
  11250. shmem2_base = shmem2_base_path[port];
  11251. port_of_path = 0;
  11252. }
  11253. /* Extract the ext phy address for the port */
  11254. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11255. port_of_path, &phy[port]) !=
  11256. 0) {
  11257. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11258. return -EINVAL;
  11259. }
  11260. /* disable attentions */
  11261. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11262. port_of_path*4,
  11263. (NIG_MASK_XGXS0_LINK_STATUS |
  11264. NIG_MASK_XGXS0_LINK10G |
  11265. NIG_MASK_SERDES0_LINK_STATUS |
  11266. NIG_MASK_MI_INT));
  11267. /* Reset the phy */
  11268. bnx2x_cl45_write(bp, &phy[port],
  11269. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11270. }
  11271. /* Add delay of 150ms after reset */
  11272. msleep(150);
  11273. if (phy[PORT_0].addr & 0x1) {
  11274. phy_blk[PORT_0] = &(phy[PORT_1]);
  11275. phy_blk[PORT_1] = &(phy[PORT_0]);
  11276. } else {
  11277. phy_blk[PORT_0] = &(phy[PORT_0]);
  11278. phy_blk[PORT_1] = &(phy[PORT_1]);
  11279. }
  11280. /* PART2 - Download firmware to both phys */
  11281. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11282. if (CHIP_IS_E1x(bp))
  11283. port_of_path = port;
  11284. else
  11285. port_of_path = 0;
  11286. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11287. phy_blk[port]->addr);
  11288. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11289. port_of_path))
  11290. return -EINVAL;
  11291. /* Disable PHY transmitter output */
  11292. bnx2x_cl45_write(bp, phy_blk[port],
  11293. MDIO_PMA_DEVAD,
  11294. MDIO_PMA_REG_TX_DISABLE, 1);
  11295. }
  11296. return 0;
  11297. }
  11298. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11299. u32 shmem_base_path[],
  11300. u32 shmem2_base_path[],
  11301. u8 phy_index,
  11302. u32 chip_id)
  11303. {
  11304. u8 reset_gpios;
  11305. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11306. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11307. udelay(10);
  11308. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11309. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11310. reset_gpios);
  11311. return 0;
  11312. }
  11313. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11314. struct bnx2x_phy *phy)
  11315. {
  11316. u16 val, cnt;
  11317. /* Wait for FW completing its initialization. */
  11318. for (cnt = 0; cnt < 1500; cnt++) {
  11319. bnx2x_cl45_read(bp, phy,
  11320. MDIO_PMA_DEVAD,
  11321. MDIO_PMA_REG_CTRL, &val);
  11322. if (!(val & (1<<15)))
  11323. break;
  11324. usleep_range(1000, 2000);
  11325. }
  11326. if (cnt >= 1500) {
  11327. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11328. return -EINVAL;
  11329. }
  11330. /* Put the port in super isolate mode. */
  11331. bnx2x_cl45_read(bp, phy,
  11332. MDIO_CTL_DEVAD,
  11333. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11334. val |= MDIO_84833_SUPER_ISOLATE;
  11335. bnx2x_cl45_write(bp, phy,
  11336. MDIO_CTL_DEVAD,
  11337. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11338. /* Save spirom version */
  11339. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11340. return 0;
  11341. }
  11342. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11343. u32 shmem_base,
  11344. u32 shmem2_base,
  11345. u32 chip_id)
  11346. {
  11347. int rc = 0;
  11348. struct bnx2x_phy phy;
  11349. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11350. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11351. PORT_0, &phy)) {
  11352. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11353. return -EINVAL;
  11354. }
  11355. switch (phy.type) {
  11356. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11357. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11358. break;
  11359. default:
  11360. break;
  11361. }
  11362. return rc;
  11363. }
  11364. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11365. u32 shmem2_base_path[], u8 phy_index,
  11366. u32 ext_phy_type, u32 chip_id)
  11367. {
  11368. int rc = 0;
  11369. switch (ext_phy_type) {
  11370. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11371. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11372. shmem2_base_path,
  11373. phy_index, chip_id);
  11374. break;
  11375. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11376. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11377. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11378. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11379. shmem2_base_path,
  11380. phy_index, chip_id);
  11381. break;
  11382. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11383. /* GPIO1 affects both ports, so there's need to pull
  11384. * it for single port alone
  11385. */
  11386. rc = bnx2x_8726_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_BCM84833:
  11391. /* GPIO3's are linked, and so both need to be toggled
  11392. * to obtain required 2us pulse.
  11393. */
  11394. rc = bnx2x_84833_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_FAILURE:
  11399. rc = -EINVAL;
  11400. break;
  11401. default:
  11402. DP(NETIF_MSG_LINK,
  11403. "ext_phy 0x%x common init not required\n",
  11404. ext_phy_type);
  11405. break;
  11406. }
  11407. if (rc)
  11408. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11409. " Port %d\n",
  11410. 0);
  11411. return rc;
  11412. }
  11413. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11414. u32 shmem2_base_path[], u32 chip_id)
  11415. {
  11416. int rc = 0;
  11417. u32 phy_ver, val;
  11418. u8 phy_index = 0;
  11419. u32 ext_phy_type, ext_phy_config;
  11420. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11421. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11422. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11423. if (CHIP_IS_E3(bp)) {
  11424. /* Enable EPIO */
  11425. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11426. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11427. }
  11428. /* Check if common init was already done */
  11429. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11430. offsetof(struct shmem_region,
  11431. port_mb[PORT_0].ext_phy_fw_version));
  11432. if (phy_ver) {
  11433. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11434. phy_ver);
  11435. return 0;
  11436. }
  11437. /* Read the ext_phy_type for arbitrary port(0) */
  11438. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11439. phy_index++) {
  11440. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11441. shmem_base_path[0],
  11442. phy_index, 0);
  11443. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11444. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11445. shmem2_base_path,
  11446. phy_index, ext_phy_type,
  11447. chip_id);
  11448. }
  11449. return rc;
  11450. }
  11451. static void bnx2x_check_over_curr(struct link_params *params,
  11452. struct link_vars *vars)
  11453. {
  11454. struct bnx2x *bp = params->bp;
  11455. u32 cfg_pin;
  11456. u8 port = params->port;
  11457. u32 pin_val;
  11458. cfg_pin = (REG_RD(bp, params->shmem_base +
  11459. offsetof(struct shmem_region,
  11460. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11461. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11462. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11463. /* Ignore check if no external input PIN available */
  11464. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11465. return;
  11466. if (!pin_val) {
  11467. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11468. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11469. " been detected and the power to "
  11470. "that SFP+ module has been removed"
  11471. " to prevent failure of the card."
  11472. " Please remove the SFP+ module and"
  11473. " restart the system to clear this"
  11474. " error.\n",
  11475. params->port);
  11476. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11477. }
  11478. } else
  11479. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11480. }
  11481. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11482. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11483. struct link_vars *vars, u32 status,
  11484. u32 phy_flag, u32 link_flag, u8 notify)
  11485. {
  11486. struct bnx2x *bp = params->bp;
  11487. /* Compare new value with previous value */
  11488. u8 led_mode;
  11489. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11490. if ((status ^ old_status) == 0)
  11491. return 0;
  11492. /* If values differ */
  11493. switch (phy_flag) {
  11494. case PHY_HALF_OPEN_CONN_FLAG:
  11495. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11496. break;
  11497. case PHY_SFP_TX_FAULT_FLAG:
  11498. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11499. break;
  11500. default:
  11501. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11502. }
  11503. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11504. old_status, status);
  11505. /* a. Update shmem->link_status accordingly
  11506. * b. Update link_vars->link_up
  11507. */
  11508. if (status) {
  11509. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11510. vars->link_status |= link_flag;
  11511. vars->link_up = 0;
  11512. vars->phy_flags |= phy_flag;
  11513. /* activate nig drain */
  11514. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11515. /* Set LED mode to off since the PHY doesn't know about these
  11516. * errors
  11517. */
  11518. led_mode = LED_MODE_OFF;
  11519. } else {
  11520. vars->link_status |= LINK_STATUS_LINK_UP;
  11521. vars->link_status &= ~link_flag;
  11522. vars->link_up = 1;
  11523. vars->phy_flags &= ~phy_flag;
  11524. led_mode = LED_MODE_OPER;
  11525. /* Clear nig drain */
  11526. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11527. }
  11528. bnx2x_sync_link(params, vars);
  11529. /* Update the LED according to the link state */
  11530. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11531. /* Update link status in the shared memory */
  11532. bnx2x_update_mng(params, vars->link_status);
  11533. /* C. Trigger General Attention */
  11534. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11535. if (notify)
  11536. bnx2x_notify_link_changed(bp);
  11537. return 1;
  11538. }
  11539. /******************************************************************************
  11540. * Description:
  11541. * This function checks for half opened connection change indication.
  11542. * When such change occurs, it calls the bnx2x_analyze_link_error
  11543. * to check if Remote Fault is set or cleared. Reception of remote fault
  11544. * status message in the MAC indicates that the peer's MAC has detected
  11545. * a fault, for example, due to break in the TX side of fiber.
  11546. *
  11547. ******************************************************************************/
  11548. int bnx2x_check_half_open_conn(struct link_params *params,
  11549. struct link_vars *vars,
  11550. u8 notify)
  11551. {
  11552. struct bnx2x *bp = params->bp;
  11553. u32 lss_status = 0;
  11554. u32 mac_base;
  11555. /* In case link status is physically up @ 10G do */
  11556. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11557. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11558. return 0;
  11559. if (CHIP_IS_E3(bp) &&
  11560. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11561. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11562. /* Check E3 XMAC */
  11563. /* Note that link speed cannot be queried here, since it may be
  11564. * zero while link is down. In case UMAC is active, LSS will
  11565. * simply not be set
  11566. */
  11567. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11568. /* Clear stick bits (Requires rising edge) */
  11569. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11570. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11571. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11572. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11573. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11574. lss_status = 1;
  11575. bnx2x_analyze_link_error(params, vars, lss_status,
  11576. PHY_HALF_OPEN_CONN_FLAG,
  11577. LINK_STATUS_NONE, notify);
  11578. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11579. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11580. /* Check E1X / E2 BMAC */
  11581. u32 lss_status_reg;
  11582. u32 wb_data[2];
  11583. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11584. NIG_REG_INGRESS_BMAC0_MEM;
  11585. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11586. if (CHIP_IS_E2(bp))
  11587. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11588. else
  11589. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11590. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11591. lss_status = (wb_data[0] > 0);
  11592. bnx2x_analyze_link_error(params, vars, lss_status,
  11593. PHY_HALF_OPEN_CONN_FLAG,
  11594. LINK_STATUS_NONE, notify);
  11595. }
  11596. return 0;
  11597. }
  11598. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11599. struct link_params *params,
  11600. struct link_vars *vars)
  11601. {
  11602. struct bnx2x *bp = params->bp;
  11603. u32 cfg_pin, value = 0;
  11604. u8 led_change, port = params->port;
  11605. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11606. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11607. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11608. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11609. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11610. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11611. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11612. return;
  11613. }
  11614. led_change = bnx2x_analyze_link_error(params, vars, value,
  11615. PHY_SFP_TX_FAULT_FLAG,
  11616. LINK_STATUS_SFP_TX_FAULT, 1);
  11617. if (led_change) {
  11618. /* Change TX_Fault led, set link status for further syncs */
  11619. u8 led_mode;
  11620. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11621. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11622. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11623. } else {
  11624. led_mode = MISC_REGISTERS_GPIO_LOW;
  11625. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11626. }
  11627. /* If module is unapproved, led should be on regardless */
  11628. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11629. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11630. led_mode);
  11631. bnx2x_set_e3_module_fault_led(params, led_mode);
  11632. }
  11633. }
  11634. }
  11635. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11636. {
  11637. u16 phy_idx;
  11638. struct bnx2x *bp = params->bp;
  11639. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11640. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11641. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11642. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11643. 0)
  11644. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11645. break;
  11646. }
  11647. }
  11648. if (CHIP_IS_E3(bp)) {
  11649. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11650. bnx2x_set_aer_mmd(params, phy);
  11651. bnx2x_check_over_curr(params, vars);
  11652. if (vars->rx_tx_asic_rst)
  11653. bnx2x_warpcore_config_runtime(phy, params, vars);
  11654. if ((REG_RD(bp, params->shmem_base +
  11655. offsetof(struct shmem_region, dev_info.
  11656. port_hw_config[params->port].default_cfg))
  11657. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11658. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11659. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11660. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11661. } else if (vars->link_status &
  11662. LINK_STATUS_SFP_TX_FAULT) {
  11663. /* Clean trail, interrupt corrects the leds */
  11664. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11665. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11666. /* Update link status in the shared memory */
  11667. bnx2x_update_mng(params, vars->link_status);
  11668. }
  11669. }
  11670. }
  11671. }
  11672. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11673. {
  11674. u8 phy_index;
  11675. struct bnx2x_phy phy;
  11676. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11677. phy_index++) {
  11678. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11679. 0, &phy) != 0) {
  11680. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11681. return 0;
  11682. }
  11683. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11684. return 1;
  11685. }
  11686. return 0;
  11687. }
  11688. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11689. u32 shmem_base,
  11690. u32 shmem2_base,
  11691. u8 port)
  11692. {
  11693. u8 phy_index, fan_failure_det_req = 0;
  11694. struct bnx2x_phy phy;
  11695. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11696. phy_index++) {
  11697. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11698. port, &phy)
  11699. != 0) {
  11700. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11701. return 0;
  11702. }
  11703. fan_failure_det_req |= (phy.flags &
  11704. FLAGS_FAN_FAILURE_DET_REQ);
  11705. }
  11706. return fan_failure_det_req;
  11707. }
  11708. void bnx2x_hw_reset_phy(struct link_params *params)
  11709. {
  11710. u8 phy_index;
  11711. struct bnx2x *bp = params->bp;
  11712. bnx2x_update_mng(params, 0);
  11713. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11714. (NIG_MASK_XGXS0_LINK_STATUS |
  11715. NIG_MASK_XGXS0_LINK10G |
  11716. NIG_MASK_SERDES0_LINK_STATUS |
  11717. NIG_MASK_MI_INT));
  11718. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11719. phy_index++) {
  11720. if (params->phy[phy_index].hw_reset) {
  11721. params->phy[phy_index].hw_reset(
  11722. &params->phy[phy_index],
  11723. params);
  11724. params->phy[phy_index] = phy_null;
  11725. }
  11726. }
  11727. }
  11728. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11729. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11730. u8 port)
  11731. {
  11732. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11733. u32 val;
  11734. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11735. if (CHIP_IS_E3(bp)) {
  11736. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11737. shmem_base,
  11738. port,
  11739. &gpio_num,
  11740. &gpio_port) != 0)
  11741. return;
  11742. } else {
  11743. struct bnx2x_phy phy;
  11744. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11745. phy_index++) {
  11746. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11747. shmem2_base, port, &phy)
  11748. != 0) {
  11749. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11750. return;
  11751. }
  11752. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11753. gpio_num = MISC_REGISTERS_GPIO_3;
  11754. gpio_port = port;
  11755. break;
  11756. }
  11757. }
  11758. }
  11759. if (gpio_num == 0xff)
  11760. return;
  11761. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11762. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11763. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11764. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11765. gpio_port ^= (swap_val && swap_override);
  11766. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11767. (gpio_num + (gpio_port << 2));
  11768. sync_offset = shmem_base +
  11769. offsetof(struct shmem_region,
  11770. dev_info.port_hw_config[port].aeu_int_mask);
  11771. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11772. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11773. gpio_num, gpio_port, vars->aeu_int_mask);
  11774. if (port == 0)
  11775. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11776. else
  11777. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11778. /* Open appropriate AEU for interrupts */
  11779. aeu_mask = REG_RD(bp, offset);
  11780. aeu_mask |= vars->aeu_int_mask;
  11781. REG_WR(bp, offset, aeu_mask);
  11782. /* Enable the GPIO to trigger interrupt */
  11783. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11784. val |= 1 << (gpio_num + (gpio_port << 2));
  11785. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11786. }