bnx2x_link.c 373 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. /* */
  127. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  128. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  129. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  130. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  131. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  132. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  133. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  134. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  137. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  138. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  139. #define SFP_EEPROM_OPTIONS_SIZE 2
  140. #define EDC_MODE_LINEAR 0x0022
  141. #define EDC_MODE_LIMITING 0x0044
  142. #define EDC_MODE_PASSIVE_DAC 0x0055
  143. /* BRB default for class 0 E2 */
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  148. /* BRB thresholds for E2*/
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  157. /* BRB default for class 0 E3A0 */
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  162. /* BRB thresholds for E3A0 */
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  171. /* BRB default for E3B0 */
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  176. /* BRB thresholds for E3B0 2 port mode*/
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  185. /* only for E3B0*/
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  188. /* Lossy +Lossless GUARANTIED == GUART */
  189. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  190. /* Lossless +Lossless*/
  191. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  192. /* Lossy +Lossy*/
  193. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  194. /* Lossy +Lossless*/
  195. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  196. /* Lossless +Lossless*/
  197. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  198. /* Lossy +Lossy*/
  199. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  200. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  203. /* BRB thresholds for E3B0 4 port mode */
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  212. /* only for E3B0*/
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  215. #define PFC_E3B0_4P_LB_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  220. /* Pause defines*/
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  223. #define DEFAULT_E3B0_LB_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  228. /* ETS defines*/
  229. #define DCBX_INVALID_COS (0xFF)
  230. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  231. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  234. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  235. #define MAX_PACKET_SIZE (9700)
  236. #define WC_UC_TIMEOUT 100
  237. #define MAX_KR_LINK_RETRY 4
  238. /**********************************************************/
  239. /* INTERFACE */
  240. /**********************************************************/
  241. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  242. bnx2x_cl45_write(_bp, _phy, \
  243. (_phy)->def_md_devad, \
  244. (_bank + (_addr & 0xf)), \
  245. _val)
  246. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  247. bnx2x_cl45_read(_bp, _phy, \
  248. (_phy)->def_md_devad, \
  249. (_bank + (_addr & 0xf)), \
  250. _val)
  251. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  252. {
  253. u32 val = REG_RD(bp, reg);
  254. val |= bits;
  255. REG_WR(bp, reg, val);
  256. return val;
  257. }
  258. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  259. {
  260. u32 val = REG_RD(bp, reg);
  261. val &= ~bits;
  262. REG_WR(bp, reg, val);
  263. return val;
  264. }
  265. /******************************************************************/
  266. /* EPIO/GPIO section */
  267. /******************************************************************/
  268. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  269. {
  270. u32 epio_mask, gp_oenable;
  271. *en = 0;
  272. /* Sanity check */
  273. if (epio_pin > 31) {
  274. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  275. return;
  276. }
  277. epio_mask = 1 << epio_pin;
  278. /* Set this EPIO to output */
  279. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  280. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  281. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  282. }
  283. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  284. {
  285. u32 epio_mask, gp_output, gp_oenable;
  286. /* Sanity check */
  287. if (epio_pin > 31) {
  288. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  289. return;
  290. }
  291. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  292. epio_mask = 1 << epio_pin;
  293. /* Set this EPIO to output */
  294. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  295. if (en)
  296. gp_output |= epio_mask;
  297. else
  298. gp_output &= ~epio_mask;
  299. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  300. /* Set the value for this EPIO */
  301. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  302. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  303. }
  304. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  305. {
  306. if (pin_cfg == PIN_CFG_NA)
  307. return;
  308. if (pin_cfg >= PIN_CFG_EPIO0) {
  309. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  310. } else {
  311. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  312. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  313. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  314. }
  315. }
  316. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  317. {
  318. if (pin_cfg == PIN_CFG_NA)
  319. return -EINVAL;
  320. if (pin_cfg >= PIN_CFG_EPIO0) {
  321. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  322. } else {
  323. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  324. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  325. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  326. }
  327. return 0;
  328. }
  329. /******************************************************************/
  330. /* ETS section */
  331. /******************************************************************/
  332. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  333. {
  334. /* ETS disabled configuration*/
  335. struct bnx2x *bp = params->bp;
  336. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  337. /*
  338. * mapping between entry priority to client number (0,1,2 -debug and
  339. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  340. * 3bits client num.
  341. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  342. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  343. */
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  345. /*
  346. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  347. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  348. * COS0 entry, 4 - COS1 entry.
  349. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  350. * bit4 bit3 bit2 bit1 bit0
  351. * MCP and debug are strict
  352. */
  353. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  354. /* defines which entries (clients) are subjected to WFQ arbitration */
  355. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  356. /*
  357. * For strict priority entries defines the number of consecutive
  358. * slots for the highest priority.
  359. */
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  361. /*
  362. * mapping between the CREDIT_WEIGHT registers and actual client
  363. * numbers
  364. */
  365. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  370. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  371. /* ETS mode disable */
  372. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  373. /*
  374. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  375. * weight for COS0/COS1.
  376. */
  377. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  378. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  379. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  380. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  381. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  382. /* Defines the number of consecutive slots for the strict priority */
  383. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  384. }
  385. /******************************************************************************
  386. * Description:
  387. * Getting min_w_val will be set according to line speed .
  388. *.
  389. ******************************************************************************/
  390. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  391. {
  392. u32 min_w_val = 0;
  393. /* Calculate min_w_val.*/
  394. if (vars->link_up) {
  395. if (vars->line_speed == SPEED_20000)
  396. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  397. else
  398. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  399. } else
  400. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  401. /**
  402. * If the link isn't up (static configuration for example ) The
  403. * link will be according to 20GBPS.
  404. */
  405. return min_w_val;
  406. }
  407. /******************************************************************************
  408. * Description:
  409. * Getting credit upper bound form min_w_val.
  410. *.
  411. ******************************************************************************/
  412. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  413. {
  414. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  415. MAX_PACKET_SIZE);
  416. return credit_upper_bound;
  417. }
  418. /******************************************************************************
  419. * Description:
  420. * Set credit upper bound for NIG.
  421. *.
  422. ******************************************************************************/
  423. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  424. const struct link_params *params,
  425. const u32 min_w_val)
  426. {
  427. struct bnx2x *bp = params->bp;
  428. const u8 port = params->port;
  429. const u32 credit_upper_bound =
  430. bnx2x_ets_get_credit_upper_bound(min_w_val);
  431. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  432. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  433. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  434. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  435. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  436. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  437. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  438. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  439. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  440. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  441. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  442. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  443. if (!port) {
  444. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  445. credit_upper_bound);
  446. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  447. credit_upper_bound);
  448. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  449. credit_upper_bound);
  450. }
  451. }
  452. /******************************************************************************
  453. * Description:
  454. * Will return the NIG ETS registers to init values.Except
  455. * credit_upper_bound.
  456. * That isn't used in this configuration (No WFQ is enabled) and will be
  457. * configured acording to spec
  458. *.
  459. ******************************************************************************/
  460. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  461. const struct link_vars *vars)
  462. {
  463. struct bnx2x *bp = params->bp;
  464. const u8 port = params->port;
  465. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  466. /**
  467. * mapping between entry priority to client number (0,1,2 -debug and
  468. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  469. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  470. * reset value or init tool
  471. */
  472. if (port) {
  473. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  474. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  475. } else {
  476. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  478. }
  479. /**
  480. * For strict priority entries defines the number of consecutive
  481. * slots for the highest priority.
  482. */
  483. /* TODO_ETS - Should be done by reset value or init tool */
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  485. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  486. /**
  487. * mapping between the CREDIT_WEIGHT registers and actual client
  488. * numbers
  489. */
  490. /* TODO_ETS - Should be done by reset value or init tool */
  491. if (port) {
  492. /*Port 1 has 6 COS*/
  493. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  494. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  495. } else {
  496. /*Port 0 has 9 COS*/
  497. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  498. 0x43210876);
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  500. }
  501. /**
  502. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  503. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  504. * COS0 entry, 4 - COS1 entry.
  505. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  506. * bit4 bit3 bit2 bit1 bit0
  507. * MCP and debug are strict
  508. */
  509. if (port)
  510. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  511. else
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  513. /* defines which entries (clients) are subjected to WFQ arbitration */
  514. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  515. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  516. /**
  517. * Please notice the register address are note continuous and a
  518. * for here is note appropriate.In 2 port mode port0 only COS0-5
  519. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  520. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  521. * are never used for WFQ
  522. */
  523. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  524. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  525. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  526. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  527. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  528. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  529. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  530. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  531. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  532. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  533. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  534. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  535. if (!port) {
  536. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  538. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  539. }
  540. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  541. }
  542. /******************************************************************************
  543. * Description:
  544. * Set credit upper bound for PBF.
  545. *.
  546. ******************************************************************************/
  547. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  548. const struct link_params *params,
  549. const u32 min_w_val)
  550. {
  551. struct bnx2x *bp = params->bp;
  552. const u32 credit_upper_bound =
  553. bnx2x_ets_get_credit_upper_bound(min_w_val);
  554. const u8 port = params->port;
  555. u32 base_upper_bound = 0;
  556. u8 max_cos = 0;
  557. u8 i = 0;
  558. /**
  559. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  560. * port mode port1 has COS0-2 that can be used for WFQ.
  561. */
  562. if (!port) {
  563. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  564. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  565. } else {
  566. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  567. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  568. }
  569. for (i = 0; i < max_cos; i++)
  570. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  571. }
  572. /******************************************************************************
  573. * Description:
  574. * Will return the PBF ETS registers to init values.Except
  575. * credit_upper_bound.
  576. * That isn't used in this configuration (No WFQ is enabled) and will be
  577. * configured acording to spec
  578. *.
  579. ******************************************************************************/
  580. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  581. {
  582. struct bnx2x *bp = params->bp;
  583. const u8 port = params->port;
  584. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  585. u8 i = 0;
  586. u32 base_weight = 0;
  587. u8 max_cos = 0;
  588. /**
  589. * mapping between entry priority to client number 0 - COS0
  590. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  591. * TODO_ETS - Should be done by reset value or init tool
  592. */
  593. if (port)
  594. /* 0x688 (|011|0 10|00 1|000) */
  595. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  596. else
  597. /* (10 1|100 |011|0 10|00 1|000) */
  598. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  599. /* TODO_ETS - Should be done by reset value or init tool */
  600. if (port)
  601. /* 0x688 (|011|0 10|00 1|000)*/
  602. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  603. else
  604. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  605. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  606. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  607. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  608. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  609. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  610. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  611. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  612. /**
  613. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  614. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  615. */
  616. if (!port) {
  617. base_weight = PBF_REG_COS0_WEIGHT_P0;
  618. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  619. } else {
  620. base_weight = PBF_REG_COS0_WEIGHT_P1;
  621. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  622. }
  623. for (i = 0; i < max_cos; i++)
  624. REG_WR(bp, base_weight + (0x4 * i), 0);
  625. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  626. }
  627. /******************************************************************************
  628. * Description:
  629. * E3B0 disable will return basicly the values to init values.
  630. *.
  631. ******************************************************************************/
  632. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  633. const struct link_vars *vars)
  634. {
  635. struct bnx2x *bp = params->bp;
  636. if (!CHIP_IS_E3B0(bp)) {
  637. DP(NETIF_MSG_LINK,
  638. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  639. return -EINVAL;
  640. }
  641. bnx2x_ets_e3b0_nig_disabled(params, vars);
  642. bnx2x_ets_e3b0_pbf_disabled(params);
  643. return 0;
  644. }
  645. /******************************************************************************
  646. * Description:
  647. * Disable will return basicly the values to init values.
  648. *.
  649. ******************************************************************************/
  650. int bnx2x_ets_disabled(struct link_params *params,
  651. struct link_vars *vars)
  652. {
  653. struct bnx2x *bp = params->bp;
  654. int bnx2x_status = 0;
  655. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  656. bnx2x_ets_e2e3a0_disabled(params);
  657. else if (CHIP_IS_E3B0(bp))
  658. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  659. else {
  660. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  661. return -EINVAL;
  662. }
  663. return bnx2x_status;
  664. }
  665. /******************************************************************************
  666. * Description
  667. * Set the COS mappimg to SP and BW until this point all the COS are not
  668. * set as SP or BW.
  669. ******************************************************************************/
  670. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  671. const struct bnx2x_ets_params *ets_params,
  672. const u8 cos_sp_bitmap,
  673. const u8 cos_bw_bitmap)
  674. {
  675. struct bnx2x *bp = params->bp;
  676. const u8 port = params->port;
  677. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  678. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  679. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  680. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  681. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  682. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  683. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  684. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  685. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  686. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  687. nig_cli_subject2wfq_bitmap);
  688. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  689. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  690. pbf_cli_subject2wfq_bitmap);
  691. return 0;
  692. }
  693. /******************************************************************************
  694. * Description:
  695. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  696. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  697. ******************************************************************************/
  698. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  699. const u8 cos_entry,
  700. const u32 min_w_val_nig,
  701. const u32 min_w_val_pbf,
  702. const u16 total_bw,
  703. const u8 bw,
  704. const u8 port)
  705. {
  706. u32 nig_reg_adress_crd_weight = 0;
  707. u32 pbf_reg_adress_crd_weight = 0;
  708. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  709. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  710. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  711. switch (cos_entry) {
  712. case 0:
  713. nig_reg_adress_crd_weight =
  714. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  715. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  716. pbf_reg_adress_crd_weight = (port) ?
  717. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  718. break;
  719. case 1:
  720. nig_reg_adress_crd_weight = (port) ?
  721. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  722. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  723. pbf_reg_adress_crd_weight = (port) ?
  724. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  725. break;
  726. case 2:
  727. nig_reg_adress_crd_weight = (port) ?
  728. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  729. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  730. pbf_reg_adress_crd_weight = (port) ?
  731. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  732. break;
  733. case 3:
  734. if (port)
  735. return -EINVAL;
  736. nig_reg_adress_crd_weight =
  737. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  738. pbf_reg_adress_crd_weight =
  739. PBF_REG_COS3_WEIGHT_P0;
  740. break;
  741. case 4:
  742. if (port)
  743. return -EINVAL;
  744. nig_reg_adress_crd_weight =
  745. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  746. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  747. break;
  748. case 5:
  749. if (port)
  750. return -EINVAL;
  751. nig_reg_adress_crd_weight =
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  753. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  754. break;
  755. }
  756. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  757. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  758. return 0;
  759. }
  760. /******************************************************************************
  761. * Description:
  762. * Calculate the total BW.A value of 0 isn't legal.
  763. *.
  764. ******************************************************************************/
  765. static int bnx2x_ets_e3b0_get_total_bw(
  766. const struct link_params *params,
  767. struct bnx2x_ets_params *ets_params,
  768. u16 *total_bw)
  769. {
  770. struct bnx2x *bp = params->bp;
  771. u8 cos_idx = 0;
  772. u8 is_bw_cos_exist = 0;
  773. *total_bw = 0 ;
  774. /* Calculate total BW requested */
  775. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  776. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  777. is_bw_cos_exist = 1;
  778. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  779. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  780. "was set to 0\n");
  781. /*
  782. * This is to prevent a state when ramrods
  783. * can't be sent
  784. */
  785. ets_params->cos[cos_idx].params.bw_params.bw
  786. = 1;
  787. }
  788. *total_bw +=
  789. ets_params->cos[cos_idx].params.bw_params.bw;
  790. }
  791. }
  792. /* Check total BW is valid */
  793. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  794. if (*total_bw == 0) {
  795. DP(NETIF_MSG_LINK,
  796. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  797. return -EINVAL;
  798. }
  799. DP(NETIF_MSG_LINK,
  800. "bnx2x_ets_E3B0_config total BW should be 100\n");
  801. /*
  802. * We can handle a case whre the BW isn't 100 this can happen
  803. * if the TC are joined.
  804. */
  805. }
  806. return 0;
  807. }
  808. /******************************************************************************
  809. * Description:
  810. * Invalidate all the sp_pri_to_cos.
  811. *.
  812. ******************************************************************************/
  813. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  814. {
  815. u8 pri = 0;
  816. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  817. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  818. }
  819. /******************************************************************************
  820. * Description:
  821. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  822. * according to sp_pri_to_cos.
  823. *.
  824. ******************************************************************************/
  825. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  826. u8 *sp_pri_to_cos, const u8 pri,
  827. const u8 cos_entry)
  828. {
  829. struct bnx2x *bp = params->bp;
  830. const u8 port = params->port;
  831. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  832. DCBX_E3B0_MAX_NUM_COS_PORT0;
  833. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  834. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  835. "parameter There can't be two COS's with "
  836. "the same strict pri\n");
  837. return -EINVAL;
  838. }
  839. if (pri > max_num_of_cos) {
  840. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  841. "parameter Illegal strict priority\n");
  842. return -EINVAL;
  843. }
  844. sp_pri_to_cos[pri] = cos_entry;
  845. return 0;
  846. }
  847. /******************************************************************************
  848. * Description:
  849. * Returns the correct value according to COS and priority in
  850. * the sp_pri_cli register.
  851. *.
  852. ******************************************************************************/
  853. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  854. const u8 pri_set,
  855. const u8 pri_offset,
  856. const u8 entry_size)
  857. {
  858. u64 pri_cli_nig = 0;
  859. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  860. (pri_set + pri_offset));
  861. return pri_cli_nig;
  862. }
  863. /******************************************************************************
  864. * Description:
  865. * Returns the correct value according to COS and priority in the
  866. * sp_pri_cli register for NIG.
  867. *.
  868. ******************************************************************************/
  869. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  870. {
  871. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  872. const u8 nig_cos_offset = 3;
  873. const u8 nig_pri_offset = 3;
  874. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  875. nig_pri_offset, 4);
  876. }
  877. /******************************************************************************
  878. * Description:
  879. * Returns the correct value according to COS and priority in the
  880. * sp_pri_cli register for PBF.
  881. *.
  882. ******************************************************************************/
  883. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  884. {
  885. const u8 pbf_cos_offset = 0;
  886. const u8 pbf_pri_offset = 0;
  887. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  888. pbf_pri_offset, 3);
  889. }
  890. /******************************************************************************
  891. * Description:
  892. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  893. * according to sp_pri_to_cos.(which COS has higher priority)
  894. *.
  895. ******************************************************************************/
  896. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  897. u8 *sp_pri_to_cos)
  898. {
  899. struct bnx2x *bp = params->bp;
  900. u8 i = 0;
  901. const u8 port = params->port;
  902. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  903. u64 pri_cli_nig = 0x210;
  904. u32 pri_cli_pbf = 0x0;
  905. u8 pri_set = 0;
  906. u8 pri_bitmask = 0;
  907. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  908. DCBX_E3B0_MAX_NUM_COS_PORT0;
  909. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  910. /* Set all the strict priority first */
  911. for (i = 0; i < max_num_of_cos; i++) {
  912. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  913. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  914. DP(NETIF_MSG_LINK,
  915. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  916. "invalid cos entry\n");
  917. return -EINVAL;
  918. }
  919. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  920. sp_pri_to_cos[i], pri_set);
  921. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  922. sp_pri_to_cos[i], pri_set);
  923. pri_bitmask = 1 << sp_pri_to_cos[i];
  924. /* COS is used remove it from bitmap.*/
  925. if (!(pri_bitmask & cos_bit_to_set)) {
  926. DP(NETIF_MSG_LINK,
  927. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  928. "invalid There can't be two COS's with"
  929. " the same strict pri\n");
  930. return -EINVAL;
  931. }
  932. cos_bit_to_set &= ~pri_bitmask;
  933. pri_set++;
  934. }
  935. }
  936. /* Set all the Non strict priority i= COS*/
  937. for (i = 0; i < max_num_of_cos; i++) {
  938. pri_bitmask = 1 << i;
  939. /* Check if COS was already used for SP */
  940. if (pri_bitmask & cos_bit_to_set) {
  941. /* COS wasn't used for SP */
  942. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  943. i, pri_set);
  944. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  945. i, pri_set);
  946. /* COS is used remove it from bitmap.*/
  947. cos_bit_to_set &= ~pri_bitmask;
  948. pri_set++;
  949. }
  950. }
  951. if (pri_set != max_num_of_cos) {
  952. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  953. "entries were set\n");
  954. return -EINVAL;
  955. }
  956. if (port) {
  957. /* Only 6 usable clients*/
  958. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  959. (u32)pri_cli_nig);
  960. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  961. } else {
  962. /* Only 9 usable clients*/
  963. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  964. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  965. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  966. pri_cli_nig_lsb);
  967. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  968. pri_cli_nig_msb);
  969. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  970. }
  971. return 0;
  972. }
  973. /******************************************************************************
  974. * Description:
  975. * Configure the COS to ETS according to BW and SP settings.
  976. ******************************************************************************/
  977. int bnx2x_ets_e3b0_config(const struct link_params *params,
  978. const struct link_vars *vars,
  979. struct bnx2x_ets_params *ets_params)
  980. {
  981. struct bnx2x *bp = params->bp;
  982. int bnx2x_status = 0;
  983. const u8 port = params->port;
  984. u16 total_bw = 0;
  985. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  986. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  987. u8 cos_bw_bitmap = 0;
  988. u8 cos_sp_bitmap = 0;
  989. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  990. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  991. DCBX_E3B0_MAX_NUM_COS_PORT0;
  992. u8 cos_entry = 0;
  993. if (!CHIP_IS_E3B0(bp)) {
  994. DP(NETIF_MSG_LINK,
  995. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  996. return -EINVAL;
  997. }
  998. if ((ets_params->num_of_cos > max_num_of_cos)) {
  999. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1000. "isn't supported\n");
  1001. return -EINVAL;
  1002. }
  1003. /* Prepare sp strict priority parameters*/
  1004. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1005. /* Prepare BW parameters*/
  1006. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1007. &total_bw);
  1008. if (bnx2x_status) {
  1009. DP(NETIF_MSG_LINK,
  1010. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1011. return -EINVAL;
  1012. }
  1013. /*
  1014. * Upper bound is set according to current link speed (min_w_val
  1015. * should be the same for upper bound and COS credit val).
  1016. */
  1017. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1018. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1019. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1020. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1021. cos_bw_bitmap |= (1 << cos_entry);
  1022. /*
  1023. * The function also sets the BW in HW(not the mappin
  1024. * yet)
  1025. */
  1026. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1027. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1028. total_bw,
  1029. ets_params->cos[cos_entry].params.bw_params.bw,
  1030. port);
  1031. } else if (bnx2x_cos_state_strict ==
  1032. ets_params->cos[cos_entry].state){
  1033. cos_sp_bitmap |= (1 << cos_entry);
  1034. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1035. params,
  1036. sp_pri_to_cos,
  1037. ets_params->cos[cos_entry].params.sp_params.pri,
  1038. cos_entry);
  1039. } else {
  1040. DP(NETIF_MSG_LINK,
  1041. "bnx2x_ets_e3b0_config cos state not valid\n");
  1042. return -EINVAL;
  1043. }
  1044. if (bnx2x_status) {
  1045. DP(NETIF_MSG_LINK,
  1046. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1047. return bnx2x_status;
  1048. }
  1049. }
  1050. /* Set SP register (which COS has higher priority) */
  1051. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1052. sp_pri_to_cos);
  1053. if (bnx2x_status) {
  1054. DP(NETIF_MSG_LINK,
  1055. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1056. return bnx2x_status;
  1057. }
  1058. /* Set client mapping of BW and strict */
  1059. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1060. cos_sp_bitmap,
  1061. cos_bw_bitmap);
  1062. if (bnx2x_status) {
  1063. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1064. return bnx2x_status;
  1065. }
  1066. return 0;
  1067. }
  1068. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1069. {
  1070. /* ETS disabled configuration */
  1071. struct bnx2x *bp = params->bp;
  1072. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1073. /*
  1074. * defines which entries (clients) are subjected to WFQ arbitration
  1075. * COS0 0x8
  1076. * COS1 0x10
  1077. */
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1079. /*
  1080. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1081. * client numbers (WEIGHT_0 does not actually have to represent
  1082. * client 0)
  1083. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1084. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1085. */
  1086. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1087. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1088. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1089. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1090. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1091. /* ETS mode enabled*/
  1092. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1093. /* Defines the number of consecutive slots for the strict priority */
  1094. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1095. /*
  1096. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1097. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1098. * entry, 4 - COS1 entry.
  1099. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1100. * bit4 bit3 bit2 bit1 bit0
  1101. * MCP and debug are strict
  1102. */
  1103. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1104. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1105. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1106. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1107. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1108. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1109. }
  1110. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1111. const u32 cos1_bw)
  1112. {
  1113. /* ETS disabled configuration*/
  1114. struct bnx2x *bp = params->bp;
  1115. const u32 total_bw = cos0_bw + cos1_bw;
  1116. u32 cos0_credit_weight = 0;
  1117. u32 cos1_credit_weight = 0;
  1118. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1119. if ((!total_bw) ||
  1120. (!cos0_bw) ||
  1121. (!cos1_bw)) {
  1122. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1123. return;
  1124. }
  1125. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1126. total_bw;
  1127. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1128. total_bw;
  1129. bnx2x_ets_bw_limit_common(params);
  1130. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1132. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1133. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1134. }
  1135. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1136. {
  1137. /* ETS disabled configuration*/
  1138. struct bnx2x *bp = params->bp;
  1139. u32 val = 0;
  1140. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1141. /*
  1142. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1143. * as strict. Bits 0,1,2 - debug and management entries,
  1144. * 3 - COS0 entry, 4 - COS1 entry.
  1145. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1146. * bit4 bit3 bit2 bit1 bit0
  1147. * MCP and debug are strict
  1148. */
  1149. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1150. /*
  1151. * For strict priority entries defines the number of consecutive slots
  1152. * for the highest priority.
  1153. */
  1154. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1155. /* ETS mode disable */
  1156. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1157. /* Defines the number of consecutive slots for the strict priority */
  1158. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1159. /* Defines the number of consecutive slots for the strict priority */
  1160. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1161. /*
  1162. * mapping between entry priority to client number (0,1,2 -debug and
  1163. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1164. * 3bits client num.
  1165. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1166. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1167. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1168. */
  1169. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1170. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1171. return 0;
  1172. }
  1173. /******************************************************************/
  1174. /* PFC section */
  1175. /******************************************************************/
  1176. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1177. struct link_vars *vars,
  1178. u8 is_lb)
  1179. {
  1180. struct bnx2x *bp = params->bp;
  1181. u32 xmac_base;
  1182. u32 pause_val, pfc0_val, pfc1_val;
  1183. /* XMAC base adrr */
  1184. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1185. /* Initialize pause and pfc registers */
  1186. pause_val = 0x18000;
  1187. pfc0_val = 0xFFFF8000;
  1188. pfc1_val = 0x2;
  1189. /* No PFC support */
  1190. if (!(params->feature_config_flags &
  1191. FEATURE_CONFIG_PFC_ENABLED)) {
  1192. /*
  1193. * RX flow control - Process pause frame in receive direction
  1194. */
  1195. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1196. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1197. /*
  1198. * TX flow control - Send pause packet when buffer is full
  1199. */
  1200. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1201. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1202. } else {/* PFC support */
  1203. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1204. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1205. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1206. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1207. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1208. /* Write pause and PFC registers */
  1209. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1210. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1211. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1212. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1213. }
  1214. /* Write pause and PFC registers */
  1215. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1216. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1217. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1218. /* Set MAC address for source TX Pause/PFC frames */
  1219. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1220. ((params->mac_addr[2] << 24) |
  1221. (params->mac_addr[3] << 16) |
  1222. (params->mac_addr[4] << 8) |
  1223. (params->mac_addr[5])));
  1224. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1225. ((params->mac_addr[0] << 8) |
  1226. (params->mac_addr[1])));
  1227. udelay(30);
  1228. }
  1229. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1230. u32 pfc_frames_sent[2],
  1231. u32 pfc_frames_received[2])
  1232. {
  1233. /* Read pfc statistic */
  1234. struct bnx2x *bp = params->bp;
  1235. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1236. u32 val_xon = 0;
  1237. u32 val_xoff = 0;
  1238. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1239. /* PFC received frames */
  1240. val_xoff = REG_RD(bp, emac_base +
  1241. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1242. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1243. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1244. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1245. pfc_frames_received[0] = val_xon + val_xoff;
  1246. /* PFC received sent */
  1247. val_xoff = REG_RD(bp, emac_base +
  1248. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1249. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1250. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1251. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1252. pfc_frames_sent[0] = val_xon + val_xoff;
  1253. }
  1254. /* Read pfc statistic*/
  1255. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1256. u32 pfc_frames_sent[2],
  1257. u32 pfc_frames_received[2])
  1258. {
  1259. /* Read pfc statistic */
  1260. struct bnx2x *bp = params->bp;
  1261. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1262. if (!vars->link_up)
  1263. return;
  1264. if (vars->mac_type == MAC_TYPE_EMAC) {
  1265. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1266. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1267. pfc_frames_received);
  1268. }
  1269. }
  1270. /******************************************************************/
  1271. /* MAC/PBF section */
  1272. /******************************************************************/
  1273. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1274. {
  1275. u32 mode, emac_base;
  1276. /**
  1277. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1278. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1279. */
  1280. if (CHIP_IS_E2(bp))
  1281. emac_base = GRCBASE_EMAC0;
  1282. else
  1283. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1284. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1285. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1286. EMAC_MDIO_MODE_CLOCK_CNT);
  1287. if (USES_WARPCORE(bp))
  1288. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1289. else
  1290. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1291. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1292. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1293. udelay(40);
  1294. }
  1295. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1296. {
  1297. u32 port4mode_ovwr_val;
  1298. /* Check 4-port override enabled */
  1299. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1300. if (port4mode_ovwr_val & (1<<0)) {
  1301. /* Return 4-port mode override value */
  1302. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1303. }
  1304. /* Return 4-port mode from input pin */
  1305. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1306. }
  1307. static void bnx2x_emac_init(struct link_params *params,
  1308. struct link_vars *vars)
  1309. {
  1310. /* reset and unreset the emac core */
  1311. struct bnx2x *bp = params->bp;
  1312. u8 port = params->port;
  1313. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1314. u32 val;
  1315. u16 timeout;
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1317. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1318. udelay(5);
  1319. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1320. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1321. /* init emac - use read-modify-write */
  1322. /* self clear reset */
  1323. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1324. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1325. timeout = 200;
  1326. do {
  1327. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1328. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1329. if (!timeout) {
  1330. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1331. return;
  1332. }
  1333. timeout--;
  1334. } while (val & EMAC_MODE_RESET);
  1335. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1336. /* Set mac address */
  1337. val = ((params->mac_addr[0] << 8) |
  1338. params->mac_addr[1]);
  1339. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1340. val = ((params->mac_addr[2] << 24) |
  1341. (params->mac_addr[3] << 16) |
  1342. (params->mac_addr[4] << 8) |
  1343. params->mac_addr[5]);
  1344. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1345. }
  1346. static void bnx2x_set_xumac_nig(struct link_params *params,
  1347. u16 tx_pause_en,
  1348. u8 enable)
  1349. {
  1350. struct bnx2x *bp = params->bp;
  1351. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1352. enable);
  1353. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1354. enable);
  1355. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1356. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1357. }
  1358. static void bnx2x_umac_disable(struct link_params *params)
  1359. {
  1360. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1361. struct bnx2x *bp = params->bp;
  1362. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1363. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1364. return;
  1365. /* Disable RX and TX */
  1366. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1367. }
  1368. static void bnx2x_umac_enable(struct link_params *params,
  1369. struct link_vars *vars, u8 lb)
  1370. {
  1371. u32 val;
  1372. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1373. struct bnx2x *bp = params->bp;
  1374. /* Reset UMAC */
  1375. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1376. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1377. usleep_range(1000, 1000);
  1378. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1379. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1380. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1381. /**
  1382. * This register determines on which events the MAC will assert
  1383. * error on the i/f to the NIG along w/ EOP.
  1384. */
  1385. /**
  1386. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1387. * params->port*0x14, 0xfffff.
  1388. */
  1389. /* This register opens the gate for the UMAC despite its name */
  1390. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1391. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1392. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1393. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1394. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1395. switch (vars->line_speed) {
  1396. case SPEED_10:
  1397. val |= (0<<2);
  1398. break;
  1399. case SPEED_100:
  1400. val |= (1<<2);
  1401. break;
  1402. case SPEED_1000:
  1403. val |= (2<<2);
  1404. break;
  1405. case SPEED_2500:
  1406. val |= (3<<2);
  1407. break;
  1408. default:
  1409. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1410. vars->line_speed);
  1411. break;
  1412. }
  1413. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1414. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1415. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1416. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1417. if (vars->duplex == DUPLEX_HALF)
  1418. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1419. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1420. udelay(50);
  1421. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1422. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1423. ((params->mac_addr[2] << 24) |
  1424. (params->mac_addr[3] << 16) |
  1425. (params->mac_addr[4] << 8) |
  1426. (params->mac_addr[5])));
  1427. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1428. ((params->mac_addr[0] << 8) |
  1429. (params->mac_addr[1])));
  1430. /* Enable RX and TX */
  1431. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1432. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1433. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1434. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1435. udelay(50);
  1436. /* Remove SW Reset */
  1437. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1438. /* Check loopback mode */
  1439. if (lb)
  1440. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1441. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1442. /*
  1443. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1444. * length used by the MAC receive logic to check frames.
  1445. */
  1446. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1447. bnx2x_set_xumac_nig(params,
  1448. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1449. vars->mac_type = MAC_TYPE_UMAC;
  1450. }
  1451. /* Define the XMAC mode */
  1452. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1453. {
  1454. struct bnx2x *bp = params->bp;
  1455. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1456. /*
  1457. * In 4-port mode, need to set the mode only once, so if XMAC is
  1458. * already out of reset, it means the mode has already been set,
  1459. * and it must not* reset the XMAC again, since it controls both
  1460. * ports of the path
  1461. */
  1462. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1463. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1464. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1465. DP(NETIF_MSG_LINK,
  1466. "XMAC already out of reset in 4-port mode\n");
  1467. return;
  1468. }
  1469. /* Hard reset */
  1470. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1471. MISC_REGISTERS_RESET_REG_2_XMAC);
  1472. usleep_range(1000, 1000);
  1473. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1474. MISC_REGISTERS_RESET_REG_2_XMAC);
  1475. if (is_port4mode) {
  1476. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1477. /* Set the number of ports on the system side to up to 2 */
  1478. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1479. /* Set the number of ports on the Warp Core to 10G */
  1480. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1481. } else {
  1482. /* Set the number of ports on the system side to 1 */
  1483. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1484. if (max_speed == SPEED_10000) {
  1485. DP(NETIF_MSG_LINK,
  1486. "Init XMAC to 10G x 1 port per path\n");
  1487. /* Set the number of ports on the Warp Core to 10G */
  1488. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1489. } else {
  1490. DP(NETIF_MSG_LINK,
  1491. "Init XMAC to 20G x 2 ports per path\n");
  1492. /* Set the number of ports on the Warp Core to 20G */
  1493. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1494. }
  1495. }
  1496. /* Soft reset */
  1497. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1498. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1499. usleep_range(1000, 1000);
  1500. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1501. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1502. }
  1503. static void bnx2x_xmac_disable(struct link_params *params)
  1504. {
  1505. u8 port = params->port;
  1506. struct bnx2x *bp = params->bp;
  1507. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1508. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1509. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1510. /*
  1511. * Send an indication to change the state in the NIG back to XON
  1512. * Clearing this bit enables the next set of this bit to get
  1513. * rising edge
  1514. */
  1515. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1516. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1517. (pfc_ctrl & ~(1<<1)));
  1518. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1519. (pfc_ctrl | (1<<1)));
  1520. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1521. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1522. }
  1523. }
  1524. static int bnx2x_xmac_enable(struct link_params *params,
  1525. struct link_vars *vars, u8 lb)
  1526. {
  1527. u32 val, xmac_base;
  1528. struct bnx2x *bp = params->bp;
  1529. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1530. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1531. bnx2x_xmac_init(params, vars->line_speed);
  1532. /*
  1533. * This register determines on which events the MAC will assert
  1534. * error on the i/f to the NIG along w/ EOP.
  1535. */
  1536. /*
  1537. * This register tells the NIG whether to send traffic to UMAC
  1538. * or XMAC
  1539. */
  1540. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1541. /* Set Max packet size */
  1542. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1543. /* CRC append for Tx packets */
  1544. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1545. /* update PFC */
  1546. bnx2x_update_pfc_xmac(params, vars, 0);
  1547. /* Enable TX and RX */
  1548. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1549. /* Check loopback mode */
  1550. if (lb)
  1551. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1552. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1553. bnx2x_set_xumac_nig(params,
  1554. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1555. vars->mac_type = MAC_TYPE_XMAC;
  1556. return 0;
  1557. }
  1558. static int bnx2x_emac_enable(struct link_params *params,
  1559. struct link_vars *vars, u8 lb)
  1560. {
  1561. struct bnx2x *bp = params->bp;
  1562. u8 port = params->port;
  1563. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1564. u32 val;
  1565. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1566. /* Disable BMAC */
  1567. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1568. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1569. /* enable emac and not bmac */
  1570. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1571. /* ASIC */
  1572. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1573. u32 ser_lane = ((params->lane_config &
  1574. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1575. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1576. DP(NETIF_MSG_LINK, "XGXS\n");
  1577. /* select the master lanes (out of 0-3) */
  1578. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1579. /* select XGXS */
  1580. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1581. } else { /* SerDes */
  1582. DP(NETIF_MSG_LINK, "SerDes\n");
  1583. /* select SerDes */
  1584. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1585. }
  1586. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1587. EMAC_RX_MODE_RESET);
  1588. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1589. EMAC_TX_MODE_RESET);
  1590. if (CHIP_REV_IS_SLOW(bp)) {
  1591. /* config GMII mode */
  1592. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1593. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1594. } else { /* ASIC */
  1595. /* pause enable/disable */
  1596. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1597. EMAC_RX_MODE_FLOW_EN);
  1598. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1599. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1600. EMAC_TX_MODE_FLOW_EN));
  1601. if (!(params->feature_config_flags &
  1602. FEATURE_CONFIG_PFC_ENABLED)) {
  1603. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1604. bnx2x_bits_en(bp, emac_base +
  1605. EMAC_REG_EMAC_RX_MODE,
  1606. EMAC_RX_MODE_FLOW_EN);
  1607. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1608. bnx2x_bits_en(bp, emac_base +
  1609. EMAC_REG_EMAC_TX_MODE,
  1610. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1611. EMAC_TX_MODE_FLOW_EN));
  1612. } else
  1613. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1614. EMAC_TX_MODE_FLOW_EN);
  1615. }
  1616. /* KEEP_VLAN_TAG, promiscuous */
  1617. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1618. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1619. /*
  1620. * Setting this bit causes MAC control frames (except for pause
  1621. * frames) to be passed on for processing. This setting has no
  1622. * affect on the operation of the pause frames. This bit effects
  1623. * all packets regardless of RX Parser packet sorting logic.
  1624. * Turn the PFC off to make sure we are in Xon state before
  1625. * enabling it.
  1626. */
  1627. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1628. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1629. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1630. /* Enable PFC again */
  1631. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1632. EMAC_REG_RX_PFC_MODE_RX_EN |
  1633. EMAC_REG_RX_PFC_MODE_TX_EN |
  1634. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1635. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1636. ((0x0101 <<
  1637. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1638. (0x00ff <<
  1639. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1640. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1641. }
  1642. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1643. /* Set Loopback */
  1644. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1645. if (lb)
  1646. val |= 0x810;
  1647. else
  1648. val &= ~0x810;
  1649. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1650. /* enable emac */
  1651. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1652. /* enable emac for jumbo packets */
  1653. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1654. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1655. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1656. /* strip CRC */
  1657. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1658. /* disable the NIG in/out to the bmac */
  1659. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1660. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1661. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1662. /* enable the NIG in/out to the emac */
  1663. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1664. val = 0;
  1665. if ((params->feature_config_flags &
  1666. FEATURE_CONFIG_PFC_ENABLED) ||
  1667. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1668. val = 1;
  1669. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1670. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1671. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1672. vars->mac_type = MAC_TYPE_EMAC;
  1673. return 0;
  1674. }
  1675. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1676. struct link_vars *vars)
  1677. {
  1678. u32 wb_data[2];
  1679. struct bnx2x *bp = params->bp;
  1680. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1681. NIG_REG_INGRESS_BMAC0_MEM;
  1682. u32 val = 0x14;
  1683. if ((!(params->feature_config_flags &
  1684. FEATURE_CONFIG_PFC_ENABLED)) &&
  1685. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1686. /* Enable BigMAC to react on received Pause packets */
  1687. val |= (1<<5);
  1688. wb_data[0] = val;
  1689. wb_data[1] = 0;
  1690. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1691. /* tx control */
  1692. val = 0xc0;
  1693. if (!(params->feature_config_flags &
  1694. FEATURE_CONFIG_PFC_ENABLED) &&
  1695. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1696. val |= 0x800000;
  1697. wb_data[0] = val;
  1698. wb_data[1] = 0;
  1699. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1700. }
  1701. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1702. struct link_vars *vars,
  1703. u8 is_lb)
  1704. {
  1705. /*
  1706. * Set rx control: Strip CRC and enable BigMAC to relay
  1707. * control packets to the system as well
  1708. */
  1709. u32 wb_data[2];
  1710. struct bnx2x *bp = params->bp;
  1711. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1712. NIG_REG_INGRESS_BMAC0_MEM;
  1713. u32 val = 0x14;
  1714. if ((!(params->feature_config_flags &
  1715. FEATURE_CONFIG_PFC_ENABLED)) &&
  1716. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1717. /* Enable BigMAC to react on received Pause packets */
  1718. val |= (1<<5);
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1722. udelay(30);
  1723. /* Tx control */
  1724. val = 0xc0;
  1725. if (!(params->feature_config_flags &
  1726. FEATURE_CONFIG_PFC_ENABLED) &&
  1727. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1728. val |= 0x800000;
  1729. wb_data[0] = val;
  1730. wb_data[1] = 0;
  1731. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1732. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1733. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1734. /* Enable PFC RX & TX & STATS and set 8 COS */
  1735. wb_data[0] = 0x0;
  1736. wb_data[0] |= (1<<0); /* RX */
  1737. wb_data[0] |= (1<<1); /* TX */
  1738. wb_data[0] |= (1<<2); /* Force initial Xon */
  1739. wb_data[0] |= (1<<3); /* 8 cos */
  1740. wb_data[0] |= (1<<5); /* STATS */
  1741. wb_data[1] = 0;
  1742. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1743. wb_data, 2);
  1744. /* Clear the force Xon */
  1745. wb_data[0] &= ~(1<<2);
  1746. } else {
  1747. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1748. /* disable PFC RX & TX & STATS and set 8 COS */
  1749. wb_data[0] = 0x8;
  1750. wb_data[1] = 0;
  1751. }
  1752. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1753. /*
  1754. * Set Time (based unit is 512 bit time) between automatic
  1755. * re-sending of PP packets amd enable automatic re-send of
  1756. * Per-Priroity Packet as long as pp_gen is asserted and
  1757. * pp_disable is low.
  1758. */
  1759. val = 0x8000;
  1760. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1761. val |= (1<<16); /* enable automatic re-send */
  1762. wb_data[0] = val;
  1763. wb_data[1] = 0;
  1764. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1765. wb_data, 2);
  1766. /* mac control */
  1767. val = 0x3; /* Enable RX and TX */
  1768. if (is_lb) {
  1769. val |= 0x4; /* Local loopback */
  1770. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1771. }
  1772. /* When PFC enabled, Pass pause frames towards the NIG. */
  1773. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1774. val |= ((1<<6)|(1<<5));
  1775. wb_data[0] = val;
  1776. wb_data[1] = 0;
  1777. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1778. }
  1779. /* PFC BRB internal port configuration params */
  1780. struct bnx2x_pfc_brb_threshold_val {
  1781. u32 pause_xoff;
  1782. u32 pause_xon;
  1783. u32 full_xoff;
  1784. u32 full_xon;
  1785. };
  1786. struct bnx2x_pfc_brb_e3b0_val {
  1787. u32 per_class_guaranty_mode;
  1788. u32 lb_guarantied_hyst;
  1789. u32 full_lb_xoff_th;
  1790. u32 full_lb_xon_threshold;
  1791. u32 lb_guarantied;
  1792. u32 mac_0_class_t_guarantied;
  1793. u32 mac_0_class_t_guarantied_hyst;
  1794. u32 mac_1_class_t_guarantied;
  1795. u32 mac_1_class_t_guarantied_hyst;
  1796. };
  1797. struct bnx2x_pfc_brb_th_val {
  1798. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1799. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1800. struct bnx2x_pfc_brb_threshold_val default_class0;
  1801. struct bnx2x_pfc_brb_threshold_val default_class1;
  1802. };
  1803. static int bnx2x_pfc_brb_get_config_params(
  1804. struct link_params *params,
  1805. struct bnx2x_pfc_brb_th_val *config_val)
  1806. {
  1807. struct bnx2x *bp = params->bp;
  1808. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1809. config_val->default_class1.pause_xoff = 0;
  1810. config_val->default_class1.pause_xon = 0;
  1811. config_val->default_class1.full_xoff = 0;
  1812. config_val->default_class1.full_xon = 0;
  1813. if (CHIP_IS_E2(bp)) {
  1814. /* class0 defaults */
  1815. config_val->default_class0.pause_xoff =
  1816. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1817. config_val->default_class0.pause_xon =
  1818. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1819. config_val->default_class0.full_xoff =
  1820. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1821. config_val->default_class0.full_xon =
  1822. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1823. /* pause able*/
  1824. config_val->pauseable_th.pause_xoff =
  1825. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1826. config_val->pauseable_th.pause_xon =
  1827. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1828. config_val->pauseable_th.full_xoff =
  1829. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1830. config_val->pauseable_th.full_xon =
  1831. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1832. /* non pause able*/
  1833. config_val->non_pauseable_th.pause_xoff =
  1834. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1835. config_val->non_pauseable_th.pause_xon =
  1836. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1837. config_val->non_pauseable_th.full_xoff =
  1838. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1839. config_val->non_pauseable_th.full_xon =
  1840. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1841. } else if (CHIP_IS_E3A0(bp)) {
  1842. /* class0 defaults */
  1843. config_val->default_class0.pause_xoff =
  1844. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1845. config_val->default_class0.pause_xon =
  1846. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1847. config_val->default_class0.full_xoff =
  1848. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1849. config_val->default_class0.full_xon =
  1850. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1851. /* pause able */
  1852. config_val->pauseable_th.pause_xoff =
  1853. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1854. config_val->pauseable_th.pause_xon =
  1855. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1856. config_val->pauseable_th.full_xoff =
  1857. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1858. config_val->pauseable_th.full_xon =
  1859. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1860. /* non pause able*/
  1861. config_val->non_pauseable_th.pause_xoff =
  1862. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1863. config_val->non_pauseable_th.pause_xon =
  1864. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1865. config_val->non_pauseable_th.full_xoff =
  1866. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1867. config_val->non_pauseable_th.full_xon =
  1868. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1869. } else if (CHIP_IS_E3B0(bp)) {
  1870. /* class0 defaults */
  1871. config_val->default_class0.pause_xoff =
  1872. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1873. config_val->default_class0.pause_xon =
  1874. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1875. config_val->default_class0.full_xoff =
  1876. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1877. config_val->default_class0.full_xon =
  1878. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1879. if (params->phy[INT_PHY].flags &
  1880. FLAGS_4_PORT_MODE) {
  1881. config_val->pauseable_th.pause_xoff =
  1882. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1883. config_val->pauseable_th.pause_xon =
  1884. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1885. config_val->pauseable_th.full_xoff =
  1886. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1887. config_val->pauseable_th.full_xon =
  1888. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1889. /* non pause able*/
  1890. config_val->non_pauseable_th.pause_xoff =
  1891. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1892. config_val->non_pauseable_th.pause_xon =
  1893. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1894. config_val->non_pauseable_th.full_xoff =
  1895. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1896. config_val->non_pauseable_th.full_xon =
  1897. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1898. } else {
  1899. config_val->pauseable_th.pause_xoff =
  1900. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1901. config_val->pauseable_th.pause_xon =
  1902. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1903. config_val->pauseable_th.full_xoff =
  1904. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1905. config_val->pauseable_th.full_xon =
  1906. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1907. /* non pause able*/
  1908. config_val->non_pauseable_th.pause_xoff =
  1909. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1910. config_val->non_pauseable_th.pause_xon =
  1911. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1912. config_val->non_pauseable_th.full_xoff =
  1913. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1914. config_val->non_pauseable_th.full_xon =
  1915. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1916. }
  1917. } else
  1918. return -EINVAL;
  1919. return 0;
  1920. }
  1921. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1922. struct link_params *params,
  1923. struct bnx2x_pfc_brb_e3b0_val
  1924. *e3b0_val,
  1925. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1926. const u8 pfc_enabled)
  1927. {
  1928. if (pfc_enabled && pfc_params) {
  1929. e3b0_val->per_class_guaranty_mode = 1;
  1930. e3b0_val->lb_guarantied_hyst = 80;
  1931. if (params->phy[INT_PHY].flags &
  1932. FLAGS_4_PORT_MODE) {
  1933. e3b0_val->full_lb_xoff_th =
  1934. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1935. e3b0_val->full_lb_xon_threshold =
  1936. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1937. e3b0_val->lb_guarantied =
  1938. PFC_E3B0_4P_LB_GUART;
  1939. e3b0_val->mac_0_class_t_guarantied =
  1940. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1941. e3b0_val->mac_0_class_t_guarantied_hyst =
  1942. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1943. e3b0_val->mac_1_class_t_guarantied =
  1944. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1945. e3b0_val->mac_1_class_t_guarantied_hyst =
  1946. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1947. } else {
  1948. e3b0_val->full_lb_xoff_th =
  1949. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1950. e3b0_val->full_lb_xon_threshold =
  1951. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1952. e3b0_val->mac_0_class_t_guarantied_hyst =
  1953. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1954. e3b0_val->mac_1_class_t_guarantied =
  1955. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1956. e3b0_val->mac_1_class_t_guarantied_hyst =
  1957. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1958. if (pfc_params->cos0_pauseable !=
  1959. pfc_params->cos1_pauseable) {
  1960. /* nonpauseable= Lossy + pauseable = Lossless*/
  1961. e3b0_val->lb_guarantied =
  1962. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1963. e3b0_val->mac_0_class_t_guarantied =
  1964. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1965. } else if (pfc_params->cos0_pauseable) {
  1966. /* Lossless +Lossless*/
  1967. e3b0_val->lb_guarantied =
  1968. PFC_E3B0_2P_PAUSE_LB_GUART;
  1969. e3b0_val->mac_0_class_t_guarantied =
  1970. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1971. } else {
  1972. /* Lossy +Lossy*/
  1973. e3b0_val->lb_guarantied =
  1974. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1975. e3b0_val->mac_0_class_t_guarantied =
  1976. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1977. }
  1978. }
  1979. } else {
  1980. e3b0_val->per_class_guaranty_mode = 0;
  1981. e3b0_val->lb_guarantied_hyst = 0;
  1982. e3b0_val->full_lb_xoff_th =
  1983. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1984. e3b0_val->full_lb_xon_threshold =
  1985. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1986. e3b0_val->lb_guarantied =
  1987. DEFAULT_E3B0_LB_GUART;
  1988. e3b0_val->mac_0_class_t_guarantied =
  1989. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1990. e3b0_val->mac_0_class_t_guarantied_hyst =
  1991. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1992. e3b0_val->mac_1_class_t_guarantied =
  1993. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1994. e3b0_val->mac_1_class_t_guarantied_hyst =
  1995. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1996. }
  1997. }
  1998. static int bnx2x_update_pfc_brb(struct link_params *params,
  1999. struct link_vars *vars,
  2000. struct bnx2x_nig_brb_pfc_port_params
  2001. *pfc_params)
  2002. {
  2003. struct bnx2x *bp = params->bp;
  2004. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2005. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2006. &config_val.pauseable_th;
  2007. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2008. const int set_pfc = params->feature_config_flags &
  2009. FEATURE_CONFIG_PFC_ENABLED;
  2010. const u8 pfc_enabled = (set_pfc && pfc_params);
  2011. int bnx2x_status = 0;
  2012. u8 port = params->port;
  2013. /* default - pause configuration */
  2014. reg_th_config = &config_val.pauseable_th;
  2015. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2016. if (bnx2x_status)
  2017. return bnx2x_status;
  2018. if (pfc_enabled) {
  2019. /* First COS */
  2020. if (pfc_params->cos0_pauseable)
  2021. reg_th_config = &config_val.pauseable_th;
  2022. else
  2023. reg_th_config = &config_val.non_pauseable_th;
  2024. } else
  2025. reg_th_config = &config_val.default_class0;
  2026. /*
  2027. * The number of free blocks below which the pause signal to class 0
  2028. * of MAC #n is asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2031. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2032. reg_th_config->pause_xoff);
  2033. /*
  2034. * The number of free blocks above which the pause signal to class 0
  2035. * of MAC #n is de-asserted. n=0,1
  2036. */
  2037. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2038. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2039. /*
  2040. * The number of free blocks below which the full signal to class 0
  2041. * of MAC #n is asserted. n=0,1
  2042. */
  2043. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2044. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2045. /*
  2046. * The number of free blocks above which the full signal to class 0
  2047. * of MAC #n is de-asserted. n=0,1
  2048. */
  2049. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2050. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2051. if (pfc_enabled) {
  2052. /* Second COS */
  2053. if (pfc_params->cos1_pauseable)
  2054. reg_th_config = &config_val.pauseable_th;
  2055. else
  2056. reg_th_config = &config_val.non_pauseable_th;
  2057. } else
  2058. reg_th_config = &config_val.default_class1;
  2059. /*
  2060. * The number of free blocks below which the pause signal to
  2061. * class 1 of MAC #n is asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2065. reg_th_config->pause_xoff);
  2066. /*
  2067. * The number of free blocks above which the pause signal to
  2068. * class 1 of MAC #n is de-asserted. n=0,1
  2069. */
  2070. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2071. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2072. reg_th_config->pause_xon);
  2073. /*
  2074. * The number of free blocks below which the full signal to
  2075. * class 1 of MAC #n is asserted. n=0,1
  2076. */
  2077. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2078. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2079. reg_th_config->full_xoff);
  2080. /*
  2081. * The number of free blocks above which the full signal to
  2082. * class 1 of MAC #n is de-asserted. n=0,1
  2083. */
  2084. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2085. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2086. reg_th_config->full_xon);
  2087. if (CHIP_IS_E3B0(bp)) {
  2088. bnx2x_pfc_brb_get_e3b0_config_params(
  2089. params,
  2090. &e3b0_val,
  2091. pfc_params,
  2092. pfc_enabled);
  2093. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2094. e3b0_val.per_class_guaranty_mode);
  2095. /*
  2096. * The hysteresis on the guarantied buffer space for the Lb
  2097. * port before signaling XON.
  2098. */
  2099. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2100. e3b0_val.lb_guarantied_hyst);
  2101. /*
  2102. * The number of free blocks below which the full signal to the
  2103. * LB port is asserted.
  2104. */
  2105. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2106. e3b0_val.full_lb_xoff_th);
  2107. /*
  2108. * The number of free blocks above which the full signal to the
  2109. * LB port is de-asserted.
  2110. */
  2111. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2112. e3b0_val.full_lb_xon_threshold);
  2113. /*
  2114. * The number of blocks guarantied for the MAC #n port. n=0,1
  2115. */
  2116. /* The number of blocks guarantied for the LB port.*/
  2117. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2118. e3b0_val.lb_guarantied);
  2119. /*
  2120. * The number of blocks guarantied for the MAC #n port.
  2121. */
  2122. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2123. 2 * e3b0_val.mac_0_class_t_guarantied);
  2124. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2125. 2 * e3b0_val.mac_1_class_t_guarantied);
  2126. /*
  2127. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2128. */
  2129. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2130. e3b0_val.mac_0_class_t_guarantied);
  2131. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2132. e3b0_val.mac_0_class_t_guarantied);
  2133. /*
  2134. * The hysteresis on the guarantied buffer space for class in
  2135. * MAC0. t=0,1
  2136. */
  2137. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2138. e3b0_val.mac_0_class_t_guarantied_hyst);
  2139. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2140. e3b0_val.mac_0_class_t_guarantied_hyst);
  2141. /*
  2142. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2143. */
  2144. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2145. e3b0_val.mac_1_class_t_guarantied);
  2146. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2147. e3b0_val.mac_1_class_t_guarantied);
  2148. /*
  2149. * The hysteresis on the guarantied buffer space for class #t
  2150. * in MAC1. t=0,1
  2151. */
  2152. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2153. e3b0_val.mac_1_class_t_guarantied_hyst);
  2154. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2155. e3b0_val.mac_1_class_t_guarantied_hyst);
  2156. }
  2157. return bnx2x_status;
  2158. }
  2159. /******************************************************************************
  2160. * Description:
  2161. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2162. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2163. ******************************************************************************/
  2164. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2165. u8 cos_entry,
  2166. u32 priority_mask, u8 port)
  2167. {
  2168. u32 nig_reg_rx_priority_mask_add = 0;
  2169. switch (cos_entry) {
  2170. case 0:
  2171. nig_reg_rx_priority_mask_add = (port) ?
  2172. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2173. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2174. break;
  2175. case 1:
  2176. nig_reg_rx_priority_mask_add = (port) ?
  2177. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2178. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2179. break;
  2180. case 2:
  2181. nig_reg_rx_priority_mask_add = (port) ?
  2182. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2183. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2184. break;
  2185. case 3:
  2186. if (port)
  2187. return -EINVAL;
  2188. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2189. break;
  2190. case 4:
  2191. if (port)
  2192. return -EINVAL;
  2193. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2194. break;
  2195. case 5:
  2196. if (port)
  2197. return -EINVAL;
  2198. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2199. break;
  2200. }
  2201. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2202. return 0;
  2203. }
  2204. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2205. {
  2206. struct bnx2x *bp = params->bp;
  2207. REG_WR(bp, params->shmem_base +
  2208. offsetof(struct shmem_region,
  2209. port_mb[params->port].link_status), link_status);
  2210. }
  2211. static void bnx2x_update_pfc_nig(struct link_params *params,
  2212. struct link_vars *vars,
  2213. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2214. {
  2215. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2216. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2217. u32 pkt_priority_to_cos = 0;
  2218. struct bnx2x *bp = params->bp;
  2219. u8 port = params->port;
  2220. int set_pfc = params->feature_config_flags &
  2221. FEATURE_CONFIG_PFC_ENABLED;
  2222. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2223. /*
  2224. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2225. * MAC control frames (that are not pause packets)
  2226. * will be forwarded to the XCM.
  2227. */
  2228. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2229. NIG_REG_LLH0_XCM_MASK);
  2230. /*
  2231. * nig params will override non PFC params, since it's possible to
  2232. * do transition from PFC to SAFC
  2233. */
  2234. if (set_pfc) {
  2235. pause_enable = 0;
  2236. llfc_out_en = 0;
  2237. llfc_enable = 0;
  2238. if (CHIP_IS_E3(bp))
  2239. ppp_enable = 0;
  2240. else
  2241. ppp_enable = 1;
  2242. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2243. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2244. xcm_out_en = 0;
  2245. hwpfc_enable = 1;
  2246. } else {
  2247. if (nig_params) {
  2248. llfc_out_en = nig_params->llfc_out_en;
  2249. llfc_enable = nig_params->llfc_enable;
  2250. pause_enable = nig_params->pause_enable;
  2251. } else /*defaul non PFC mode - PAUSE */
  2252. pause_enable = 1;
  2253. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2254. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2255. xcm_out_en = 1;
  2256. }
  2257. if (CHIP_IS_E3(bp))
  2258. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2259. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2260. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2261. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2262. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2263. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2264. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2265. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2266. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2267. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2268. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2269. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2270. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2271. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2272. /* output enable for RX_XCM # IF */
  2273. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2274. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2275. /* HW PFC TX enable */
  2276. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2277. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2278. if (nig_params) {
  2279. u8 i = 0;
  2280. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2281. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2282. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2283. nig_params->rx_cos_priority_mask[i], port);
  2284. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2285. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2286. nig_params->llfc_high_priority_classes);
  2287. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2288. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2289. nig_params->llfc_low_priority_classes);
  2290. }
  2291. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2292. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2293. pkt_priority_to_cos);
  2294. }
  2295. int bnx2x_update_pfc(struct link_params *params,
  2296. struct link_vars *vars,
  2297. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2298. {
  2299. /*
  2300. * The PFC and pause are orthogonal to one another, meaning when
  2301. * PFC is enabled, the pause are disabled, and when PFC is
  2302. * disabled, pause are set according to the pause result.
  2303. */
  2304. u32 val;
  2305. struct bnx2x *bp = params->bp;
  2306. int bnx2x_status = 0;
  2307. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2308. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2309. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2310. else
  2311. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2312. bnx2x_update_mng(params, vars->link_status);
  2313. /* update NIG params */
  2314. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2315. /* update BRB params */
  2316. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2317. if (bnx2x_status)
  2318. return bnx2x_status;
  2319. if (!vars->link_up)
  2320. return bnx2x_status;
  2321. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2322. if (CHIP_IS_E3(bp))
  2323. bnx2x_update_pfc_xmac(params, vars, 0);
  2324. else {
  2325. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2326. if ((val &
  2327. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2328. == 0) {
  2329. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2330. bnx2x_emac_enable(params, vars, 0);
  2331. return bnx2x_status;
  2332. }
  2333. if (CHIP_IS_E2(bp))
  2334. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2335. else
  2336. bnx2x_update_pfc_bmac1(params, vars);
  2337. val = 0;
  2338. if ((params->feature_config_flags &
  2339. FEATURE_CONFIG_PFC_ENABLED) ||
  2340. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2341. val = 1;
  2342. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2343. }
  2344. return bnx2x_status;
  2345. }
  2346. static int bnx2x_bmac1_enable(struct link_params *params,
  2347. struct link_vars *vars,
  2348. u8 is_lb)
  2349. {
  2350. struct bnx2x *bp = params->bp;
  2351. u8 port = params->port;
  2352. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2353. NIG_REG_INGRESS_BMAC0_MEM;
  2354. u32 wb_data[2];
  2355. u32 val;
  2356. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2357. /* XGXS control */
  2358. wb_data[0] = 0x3c;
  2359. wb_data[1] = 0;
  2360. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2361. wb_data, 2);
  2362. /* tx MAC SA */
  2363. wb_data[0] = ((params->mac_addr[2] << 24) |
  2364. (params->mac_addr[3] << 16) |
  2365. (params->mac_addr[4] << 8) |
  2366. params->mac_addr[5]);
  2367. wb_data[1] = ((params->mac_addr[0] << 8) |
  2368. params->mac_addr[1]);
  2369. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2370. /* mac control */
  2371. val = 0x3;
  2372. if (is_lb) {
  2373. val |= 0x4;
  2374. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2375. }
  2376. wb_data[0] = val;
  2377. wb_data[1] = 0;
  2378. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2379. /* set rx mtu */
  2380. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2381. wb_data[1] = 0;
  2382. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2383. bnx2x_update_pfc_bmac1(params, vars);
  2384. /* set tx mtu */
  2385. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2386. wb_data[1] = 0;
  2387. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2388. /* set cnt max size */
  2389. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2390. wb_data[1] = 0;
  2391. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2392. /* configure safc */
  2393. wb_data[0] = 0x1000200;
  2394. wb_data[1] = 0;
  2395. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2396. wb_data, 2);
  2397. return 0;
  2398. }
  2399. static int bnx2x_bmac2_enable(struct link_params *params,
  2400. struct link_vars *vars,
  2401. u8 is_lb)
  2402. {
  2403. struct bnx2x *bp = params->bp;
  2404. u8 port = params->port;
  2405. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2406. NIG_REG_INGRESS_BMAC0_MEM;
  2407. u32 wb_data[2];
  2408. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2409. wb_data[0] = 0;
  2410. wb_data[1] = 0;
  2411. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2412. udelay(30);
  2413. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2414. wb_data[0] = 0x3c;
  2415. wb_data[1] = 0;
  2416. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2417. wb_data, 2);
  2418. udelay(30);
  2419. /* tx MAC SA */
  2420. wb_data[0] = ((params->mac_addr[2] << 24) |
  2421. (params->mac_addr[3] << 16) |
  2422. (params->mac_addr[4] << 8) |
  2423. params->mac_addr[5]);
  2424. wb_data[1] = ((params->mac_addr[0] << 8) |
  2425. params->mac_addr[1]);
  2426. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2427. wb_data, 2);
  2428. udelay(30);
  2429. /* Configure SAFC */
  2430. wb_data[0] = 0x1000200;
  2431. wb_data[1] = 0;
  2432. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2433. wb_data, 2);
  2434. udelay(30);
  2435. /* set rx mtu */
  2436. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2437. wb_data[1] = 0;
  2438. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2439. udelay(30);
  2440. /* set tx mtu */
  2441. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2442. wb_data[1] = 0;
  2443. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2444. udelay(30);
  2445. /* set cnt max size */
  2446. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2447. wb_data[1] = 0;
  2448. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2449. udelay(30);
  2450. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2451. return 0;
  2452. }
  2453. static int bnx2x_bmac_enable(struct link_params *params,
  2454. struct link_vars *vars,
  2455. u8 is_lb)
  2456. {
  2457. int rc = 0;
  2458. u8 port = params->port;
  2459. struct bnx2x *bp = params->bp;
  2460. u32 val;
  2461. /* reset and unreset the BigMac */
  2462. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2463. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2464. msleep(1);
  2465. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2466. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2467. /* enable access for bmac registers */
  2468. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2469. /* Enable BMAC according to BMAC type*/
  2470. if (CHIP_IS_E2(bp))
  2471. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2472. else
  2473. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2474. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2475. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2477. val = 0;
  2478. if ((params->feature_config_flags &
  2479. FEATURE_CONFIG_PFC_ENABLED) ||
  2480. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2481. val = 1;
  2482. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2483. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2484. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2485. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2486. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2487. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2488. vars->mac_type = MAC_TYPE_BMAC;
  2489. return rc;
  2490. }
  2491. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2492. {
  2493. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2494. NIG_REG_INGRESS_BMAC0_MEM;
  2495. u32 wb_data[2];
  2496. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2497. /* Only if the bmac is out of reset */
  2498. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2499. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2500. nig_bmac_enable) {
  2501. if (CHIP_IS_E2(bp)) {
  2502. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2503. REG_RD_DMAE(bp, bmac_addr +
  2504. BIGMAC2_REGISTER_BMAC_CONTROL,
  2505. wb_data, 2);
  2506. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2507. REG_WR_DMAE(bp, bmac_addr +
  2508. BIGMAC2_REGISTER_BMAC_CONTROL,
  2509. wb_data, 2);
  2510. } else {
  2511. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2512. REG_RD_DMAE(bp, bmac_addr +
  2513. BIGMAC_REGISTER_BMAC_CONTROL,
  2514. wb_data, 2);
  2515. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2516. REG_WR_DMAE(bp, bmac_addr +
  2517. BIGMAC_REGISTER_BMAC_CONTROL,
  2518. wb_data, 2);
  2519. }
  2520. msleep(1);
  2521. }
  2522. }
  2523. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2524. u32 line_speed)
  2525. {
  2526. struct bnx2x *bp = params->bp;
  2527. u8 port = params->port;
  2528. u32 init_crd, crd;
  2529. u32 count = 1000;
  2530. /* disable port */
  2531. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2532. /* wait for init credit */
  2533. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2534. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2535. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2536. while ((init_crd != crd) && count) {
  2537. msleep(5);
  2538. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2539. count--;
  2540. }
  2541. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2542. if (init_crd != crd) {
  2543. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2544. init_crd, crd);
  2545. return -EINVAL;
  2546. }
  2547. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2548. line_speed == SPEED_10 ||
  2549. line_speed == SPEED_100 ||
  2550. line_speed == SPEED_1000 ||
  2551. line_speed == SPEED_2500) {
  2552. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2553. /* update threshold */
  2554. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2555. /* update init credit */
  2556. init_crd = 778; /* (800-18-4) */
  2557. } else {
  2558. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2559. ETH_OVREHEAD)/16;
  2560. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2561. /* update threshold */
  2562. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2563. /* update init credit */
  2564. switch (line_speed) {
  2565. case SPEED_10000:
  2566. init_crd = thresh + 553 - 22;
  2567. break;
  2568. default:
  2569. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2570. line_speed);
  2571. return -EINVAL;
  2572. }
  2573. }
  2574. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2575. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2576. line_speed, init_crd);
  2577. /* probe the credit changes */
  2578. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2579. msleep(5);
  2580. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2581. /* enable port */
  2582. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2583. return 0;
  2584. }
  2585. /**
  2586. * bnx2x_get_emac_base - retrive emac base address
  2587. *
  2588. * @bp: driver handle
  2589. * @mdc_mdio_access: access type
  2590. * @port: port id
  2591. *
  2592. * This function selects the MDC/MDIO access (through emac0 or
  2593. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2594. * phy has a default access mode, which could also be overridden
  2595. * by nvram configuration. This parameter, whether this is the
  2596. * default phy configuration, or the nvram overrun
  2597. * configuration, is passed here as mdc_mdio_access and selects
  2598. * the emac_base for the CL45 read/writes operations
  2599. */
  2600. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2601. u32 mdc_mdio_access, u8 port)
  2602. {
  2603. u32 emac_base = 0;
  2604. switch (mdc_mdio_access) {
  2605. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2606. break;
  2607. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2608. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2609. emac_base = GRCBASE_EMAC1;
  2610. else
  2611. emac_base = GRCBASE_EMAC0;
  2612. break;
  2613. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2614. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2615. emac_base = GRCBASE_EMAC0;
  2616. else
  2617. emac_base = GRCBASE_EMAC1;
  2618. break;
  2619. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2620. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2621. break;
  2622. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2623. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2624. break;
  2625. default:
  2626. break;
  2627. }
  2628. return emac_base;
  2629. }
  2630. /******************************************************************/
  2631. /* CL22 access functions */
  2632. /******************************************************************/
  2633. static int bnx2x_cl22_write(struct bnx2x *bp,
  2634. struct bnx2x_phy *phy,
  2635. u16 reg, u16 val)
  2636. {
  2637. u32 tmp, mode;
  2638. u8 i;
  2639. int rc = 0;
  2640. /* Switch to CL22 */
  2641. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2642. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2643. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2644. /* address */
  2645. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2646. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2647. EMAC_MDIO_COMM_START_BUSY);
  2648. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2649. for (i = 0; i < 50; i++) {
  2650. udelay(10);
  2651. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2652. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2653. udelay(5);
  2654. break;
  2655. }
  2656. }
  2657. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2658. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2659. rc = -EFAULT;
  2660. }
  2661. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2662. return rc;
  2663. }
  2664. static int bnx2x_cl22_read(struct bnx2x *bp,
  2665. struct bnx2x_phy *phy,
  2666. u16 reg, u16 *ret_val)
  2667. {
  2668. u32 val, mode;
  2669. u16 i;
  2670. int rc = 0;
  2671. /* Switch to CL22 */
  2672. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2673. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2674. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2675. /* address */
  2676. val = ((phy->addr << 21) | (reg << 16) |
  2677. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2678. EMAC_MDIO_COMM_START_BUSY);
  2679. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2680. for (i = 0; i < 50; i++) {
  2681. udelay(10);
  2682. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2683. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2684. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2685. udelay(5);
  2686. break;
  2687. }
  2688. }
  2689. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2690. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2691. *ret_val = 0;
  2692. rc = -EFAULT;
  2693. }
  2694. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2695. return rc;
  2696. }
  2697. /******************************************************************/
  2698. /* CL45 access functions */
  2699. /******************************************************************/
  2700. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2701. u8 devad, u16 reg, u16 *ret_val)
  2702. {
  2703. u32 val;
  2704. u16 i;
  2705. int rc = 0;
  2706. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2707. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2708. EMAC_MDIO_STATUS_10MB);
  2709. /* address */
  2710. val = ((phy->addr << 21) | (devad << 16) | reg |
  2711. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2712. EMAC_MDIO_COMM_START_BUSY);
  2713. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2714. for (i = 0; i < 50; i++) {
  2715. udelay(10);
  2716. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2717. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2718. udelay(5);
  2719. break;
  2720. }
  2721. }
  2722. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2723. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2724. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2725. *ret_val = 0;
  2726. rc = -EFAULT;
  2727. } else {
  2728. /* data */
  2729. val = ((phy->addr << 21) | (devad << 16) |
  2730. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2731. EMAC_MDIO_COMM_START_BUSY);
  2732. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2733. for (i = 0; i < 50; i++) {
  2734. udelay(10);
  2735. val = REG_RD(bp, phy->mdio_ctrl +
  2736. EMAC_REG_EMAC_MDIO_COMM);
  2737. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2738. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2739. break;
  2740. }
  2741. }
  2742. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2743. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2744. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2745. *ret_val = 0;
  2746. rc = -EFAULT;
  2747. }
  2748. }
  2749. /* Work around for E3 A0 */
  2750. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2751. phy->flags ^= FLAGS_DUMMY_READ;
  2752. if (phy->flags & FLAGS_DUMMY_READ) {
  2753. u16 temp_val;
  2754. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2755. }
  2756. }
  2757. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2758. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2759. EMAC_MDIO_STATUS_10MB);
  2760. return rc;
  2761. }
  2762. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2763. u8 devad, u16 reg, u16 val)
  2764. {
  2765. u32 tmp;
  2766. u8 i;
  2767. int rc = 0;
  2768. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2769. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2770. EMAC_MDIO_STATUS_10MB);
  2771. /* address */
  2772. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2773. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2774. EMAC_MDIO_COMM_START_BUSY);
  2775. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2776. for (i = 0; i < 50; i++) {
  2777. udelay(10);
  2778. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2779. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2780. udelay(5);
  2781. break;
  2782. }
  2783. }
  2784. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2785. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2786. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2787. rc = -EFAULT;
  2788. } else {
  2789. /* data */
  2790. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2791. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2792. EMAC_MDIO_COMM_START_BUSY);
  2793. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2794. for (i = 0; i < 50; i++) {
  2795. udelay(10);
  2796. tmp = REG_RD(bp, phy->mdio_ctrl +
  2797. EMAC_REG_EMAC_MDIO_COMM);
  2798. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2799. udelay(5);
  2800. break;
  2801. }
  2802. }
  2803. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2804. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2805. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2806. rc = -EFAULT;
  2807. }
  2808. }
  2809. /* Work around for E3 A0 */
  2810. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2811. phy->flags ^= FLAGS_DUMMY_READ;
  2812. if (phy->flags & FLAGS_DUMMY_READ) {
  2813. u16 temp_val;
  2814. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2815. }
  2816. }
  2817. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2818. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2819. EMAC_MDIO_STATUS_10MB);
  2820. return rc;
  2821. }
  2822. /******************************************************************/
  2823. /* BSC access functions from E3 */
  2824. /******************************************************************/
  2825. static void bnx2x_bsc_module_sel(struct link_params *params)
  2826. {
  2827. int idx;
  2828. u32 board_cfg, sfp_ctrl;
  2829. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2830. struct bnx2x *bp = params->bp;
  2831. u8 port = params->port;
  2832. /* Read I2C output PINs */
  2833. board_cfg = REG_RD(bp, params->shmem_base +
  2834. offsetof(struct shmem_region,
  2835. dev_info.shared_hw_config.board));
  2836. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2837. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2838. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2839. /* Read I2C output value */
  2840. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2841. offsetof(struct shmem_region,
  2842. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2843. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2844. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2845. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2846. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2847. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2848. }
  2849. static int bnx2x_bsc_read(struct link_params *params,
  2850. struct bnx2x_phy *phy,
  2851. u8 sl_devid,
  2852. u16 sl_addr,
  2853. u8 lc_addr,
  2854. u8 xfer_cnt,
  2855. u32 *data_array)
  2856. {
  2857. u32 val, i;
  2858. int rc = 0;
  2859. struct bnx2x *bp = params->bp;
  2860. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2861. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2862. return -EINVAL;
  2863. }
  2864. if (xfer_cnt > 16) {
  2865. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2866. xfer_cnt);
  2867. return -EINVAL;
  2868. }
  2869. bnx2x_bsc_module_sel(params);
  2870. xfer_cnt = 16 - lc_addr;
  2871. /* enable the engine */
  2872. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2873. val |= MCPR_IMC_COMMAND_ENABLE;
  2874. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2875. /* program slave device ID */
  2876. val = (sl_devid << 16) | sl_addr;
  2877. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2878. /* start xfer with 0 byte to update the address pointer ???*/
  2879. val = (MCPR_IMC_COMMAND_ENABLE) |
  2880. (MCPR_IMC_COMMAND_WRITE_OP <<
  2881. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2882. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2883. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2884. /* poll for completion */
  2885. i = 0;
  2886. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2887. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2888. udelay(10);
  2889. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2890. if (i++ > 1000) {
  2891. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2892. i);
  2893. rc = -EFAULT;
  2894. break;
  2895. }
  2896. }
  2897. if (rc == -EFAULT)
  2898. return rc;
  2899. /* start xfer with read op */
  2900. val = (MCPR_IMC_COMMAND_ENABLE) |
  2901. (MCPR_IMC_COMMAND_READ_OP <<
  2902. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2903. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2904. (xfer_cnt);
  2905. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2906. /* poll for completion */
  2907. i = 0;
  2908. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2909. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2910. udelay(10);
  2911. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2912. if (i++ > 1000) {
  2913. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2914. rc = -EFAULT;
  2915. break;
  2916. }
  2917. }
  2918. if (rc == -EFAULT)
  2919. return rc;
  2920. for (i = (lc_addr >> 2); i < 4; i++) {
  2921. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2922. #ifdef __BIG_ENDIAN
  2923. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2924. ((data_array[i] & 0x0000ff00) << 8) |
  2925. ((data_array[i] & 0x00ff0000) >> 8) |
  2926. ((data_array[i] & 0xff000000) >> 24);
  2927. #endif
  2928. }
  2929. return rc;
  2930. }
  2931. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2932. u8 devad, u16 reg, u16 or_val)
  2933. {
  2934. u16 val;
  2935. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2936. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2937. }
  2938. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2939. u8 devad, u16 reg, u16 *ret_val)
  2940. {
  2941. u8 phy_index;
  2942. /*
  2943. * Probe for the phy according to the given phy_addr, and execute
  2944. * the read request on it
  2945. */
  2946. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2947. if (params->phy[phy_index].addr == phy_addr) {
  2948. return bnx2x_cl45_read(params->bp,
  2949. &params->phy[phy_index], devad,
  2950. reg, ret_val);
  2951. }
  2952. }
  2953. return -EINVAL;
  2954. }
  2955. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2956. u8 devad, u16 reg, u16 val)
  2957. {
  2958. u8 phy_index;
  2959. /*
  2960. * Probe for the phy according to the given phy_addr, and execute
  2961. * the write request on it
  2962. */
  2963. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2964. if (params->phy[phy_index].addr == phy_addr) {
  2965. return bnx2x_cl45_write(params->bp,
  2966. &params->phy[phy_index], devad,
  2967. reg, val);
  2968. }
  2969. }
  2970. return -EINVAL;
  2971. }
  2972. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2973. struct link_params *params)
  2974. {
  2975. u8 lane = 0;
  2976. struct bnx2x *bp = params->bp;
  2977. u32 path_swap, path_swap_ovr;
  2978. u8 path, port;
  2979. path = BP_PATH(bp);
  2980. port = params->port;
  2981. if (bnx2x_is_4_port_mode(bp)) {
  2982. u32 port_swap, port_swap_ovr;
  2983. /*figure out path swap value */
  2984. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2985. if (path_swap_ovr & 0x1)
  2986. path_swap = (path_swap_ovr & 0x2);
  2987. else
  2988. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2989. if (path_swap)
  2990. path = path ^ 1;
  2991. /*figure out port swap value */
  2992. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2993. if (port_swap_ovr & 0x1)
  2994. port_swap = (port_swap_ovr & 0x2);
  2995. else
  2996. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2997. if (port_swap)
  2998. port = port ^ 1;
  2999. lane = (port<<1) + path;
  3000. } else { /* two port mode - no port swap */
  3001. /*figure out path swap value */
  3002. path_swap_ovr =
  3003. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3004. if (path_swap_ovr & 0x1) {
  3005. path_swap = (path_swap_ovr & 0x2);
  3006. } else {
  3007. path_swap =
  3008. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3009. }
  3010. if (path_swap)
  3011. path = path ^ 1;
  3012. lane = path << 1 ;
  3013. }
  3014. return lane;
  3015. }
  3016. static void bnx2x_set_aer_mmd(struct link_params *params,
  3017. struct bnx2x_phy *phy)
  3018. {
  3019. u32 ser_lane;
  3020. u16 offset, aer_val;
  3021. struct bnx2x *bp = params->bp;
  3022. ser_lane = ((params->lane_config &
  3023. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3024. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3025. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3026. (phy->addr + ser_lane) : 0;
  3027. if (USES_WARPCORE(bp)) {
  3028. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3029. /*
  3030. * In Dual-lane mode, two lanes are joined together,
  3031. * so in order to configure them, the AER broadcast method is
  3032. * used here.
  3033. * 0x200 is the broadcast address for lanes 0,1
  3034. * 0x201 is the broadcast address for lanes 2,3
  3035. */
  3036. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3037. aer_val = (aer_val >> 1) | 0x200;
  3038. } else if (CHIP_IS_E2(bp))
  3039. aer_val = 0x3800 + offset - 1;
  3040. else
  3041. aer_val = 0x3800 + offset;
  3042. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3043. MDIO_AER_BLOCK_AER_REG, aer_val);
  3044. }
  3045. /******************************************************************/
  3046. /* Internal phy section */
  3047. /******************************************************************/
  3048. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3049. {
  3050. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3051. /* Set Clause 22 */
  3052. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3053. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3054. udelay(500);
  3055. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3056. udelay(500);
  3057. /* Set Clause 45 */
  3058. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3059. }
  3060. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3061. {
  3062. u32 val;
  3063. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3064. val = SERDES_RESET_BITS << (port*16);
  3065. /* reset and unreset the SerDes/XGXS */
  3066. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3067. udelay(500);
  3068. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3069. bnx2x_set_serdes_access(bp, port);
  3070. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3071. DEFAULT_PHY_DEV_ADDR);
  3072. }
  3073. static void bnx2x_xgxs_deassert(struct link_params *params)
  3074. {
  3075. struct bnx2x *bp = params->bp;
  3076. u8 port;
  3077. u32 val;
  3078. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3079. port = params->port;
  3080. val = XGXS_RESET_BITS << (port*16);
  3081. /* reset and unreset the SerDes/XGXS */
  3082. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3083. udelay(500);
  3084. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3085. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3086. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3087. params->phy[INT_PHY].def_md_devad);
  3088. }
  3089. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3090. struct link_params *params, u16 *ieee_fc)
  3091. {
  3092. struct bnx2x *bp = params->bp;
  3093. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3094. /**
  3095. * resolve pause mode and advertisement Please refer to Table
  3096. * 28B-3 of the 802.3ab-1999 spec
  3097. */
  3098. switch (phy->req_flow_ctrl) {
  3099. case BNX2X_FLOW_CTRL_AUTO:
  3100. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3101. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3102. else
  3103. *ieee_fc |=
  3104. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3105. break;
  3106. case BNX2X_FLOW_CTRL_TX:
  3107. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3108. break;
  3109. case BNX2X_FLOW_CTRL_RX:
  3110. case BNX2X_FLOW_CTRL_BOTH:
  3111. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3112. break;
  3113. case BNX2X_FLOW_CTRL_NONE:
  3114. default:
  3115. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3116. break;
  3117. }
  3118. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3119. }
  3120. static void set_phy_vars(struct link_params *params,
  3121. struct link_vars *vars)
  3122. {
  3123. struct bnx2x *bp = params->bp;
  3124. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3125. u8 phy_config_swapped = params->multi_phy_config &
  3126. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3127. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3128. phy_index++) {
  3129. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3130. actual_phy_idx = phy_index;
  3131. if (phy_config_swapped) {
  3132. if (phy_index == EXT_PHY1)
  3133. actual_phy_idx = EXT_PHY2;
  3134. else if (phy_index == EXT_PHY2)
  3135. actual_phy_idx = EXT_PHY1;
  3136. }
  3137. params->phy[actual_phy_idx].req_flow_ctrl =
  3138. params->req_flow_ctrl[link_cfg_idx];
  3139. params->phy[actual_phy_idx].req_line_speed =
  3140. params->req_line_speed[link_cfg_idx];
  3141. params->phy[actual_phy_idx].speed_cap_mask =
  3142. params->speed_cap_mask[link_cfg_idx];
  3143. params->phy[actual_phy_idx].req_duplex =
  3144. params->req_duplex[link_cfg_idx];
  3145. if (params->req_line_speed[link_cfg_idx] ==
  3146. SPEED_AUTO_NEG)
  3147. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3148. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3149. " speed_cap_mask %x\n",
  3150. params->phy[actual_phy_idx].req_flow_ctrl,
  3151. params->phy[actual_phy_idx].req_line_speed,
  3152. params->phy[actual_phy_idx].speed_cap_mask);
  3153. }
  3154. }
  3155. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3156. struct bnx2x_phy *phy,
  3157. struct link_vars *vars)
  3158. {
  3159. u16 val;
  3160. struct bnx2x *bp = params->bp;
  3161. /* read modify write pause advertizing */
  3162. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3163. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3164. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3165. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3166. if ((vars->ieee_fc &
  3167. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3168. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3169. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3170. }
  3171. if ((vars->ieee_fc &
  3172. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3173. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3174. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3175. }
  3176. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3177. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3178. }
  3179. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3180. { /* LD LP */
  3181. switch (pause_result) { /* ASYM P ASYM P */
  3182. case 0xb: /* 1 0 1 1 */
  3183. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3184. break;
  3185. case 0xe: /* 1 1 1 0 */
  3186. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3187. break;
  3188. case 0x5: /* 0 1 0 1 */
  3189. case 0x7: /* 0 1 1 1 */
  3190. case 0xd: /* 1 1 0 1 */
  3191. case 0xf: /* 1 1 1 1 */
  3192. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3193. break;
  3194. default:
  3195. break;
  3196. }
  3197. if (pause_result & (1<<0))
  3198. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3199. if (pause_result & (1<<1))
  3200. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3201. }
  3202. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3203. struct link_params *params,
  3204. struct link_vars *vars)
  3205. {
  3206. u16 ld_pause; /* local */
  3207. u16 lp_pause; /* link partner */
  3208. u16 pause_result;
  3209. struct bnx2x *bp = params->bp;
  3210. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3211. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3212. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3213. } else {
  3214. bnx2x_cl45_read(bp, phy,
  3215. MDIO_AN_DEVAD,
  3216. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3217. bnx2x_cl45_read(bp, phy,
  3218. MDIO_AN_DEVAD,
  3219. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3220. }
  3221. pause_result = (ld_pause &
  3222. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3223. pause_result |= (lp_pause &
  3224. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3225. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3226. bnx2x_pause_resolve(vars, pause_result);
  3227. }
  3228. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3229. struct link_params *params,
  3230. struct link_vars *vars)
  3231. {
  3232. u8 ret = 0;
  3233. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3234. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3235. /* Update the advertised flow-controled of LD/LP in AN */
  3236. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3237. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3238. /* But set the flow-control result as the requested one */
  3239. vars->flow_ctrl = phy->req_flow_ctrl;
  3240. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3241. vars->flow_ctrl = params->req_fc_auto_adv;
  3242. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3243. ret = 1;
  3244. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3245. }
  3246. return ret;
  3247. }
  3248. /******************************************************************/
  3249. /* Warpcore section */
  3250. /******************************************************************/
  3251. /* The init_internal_warpcore should mirror the xgxs,
  3252. * i.e. reset the lane (if needed), set aer for the
  3253. * init configuration, and set/clear SGMII flag. Internal
  3254. * phy init is done purely in phy_init stage.
  3255. */
  3256. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3257. struct link_params *params,
  3258. struct link_vars *vars) {
  3259. u16 val16 = 0, lane, bam37 = 0;
  3260. struct bnx2x *bp = params->bp;
  3261. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3262. /* Disable Autoneg: re-enable it after adv is done. */
  3263. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3264. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3265. /* Check adding advertisement for 1G KX */
  3266. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3267. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3268. (vars->line_speed == SPEED_1000)) {
  3269. u16 sd_digital;
  3270. val16 |= (1<<5);
  3271. /* Enable CL37 1G Parallel Detect */
  3272. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3273. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3276. (sd_digital | 0x1));
  3277. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3278. }
  3279. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3280. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3281. (vars->line_speed == SPEED_10000)) {
  3282. /* Check adding advertisement for 10G KR */
  3283. val16 |= (1<<7);
  3284. /* Enable 10G Parallel Detect */
  3285. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3286. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3287. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3288. }
  3289. /* Set Transmit PMD settings */
  3290. lane = bnx2x_get_warpcore_lane(phy, params);
  3291. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3293. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3294. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3295. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3296. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3297. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3298. 0x03f0);
  3299. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3300. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3301. 0x03f0);
  3302. /* Advertised speeds */
  3303. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3304. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3305. /* Advertised and set FEC (Forward Error Correction) */
  3306. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3307. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3308. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3309. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3310. /* Enable CL37 BAM */
  3311. if (REG_RD(bp, params->shmem_base +
  3312. offsetof(struct shmem_region, dev_info.
  3313. port_hw_config[params->port].default_cfg)) &
  3314. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3315. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3317. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3318. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3319. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3320. }
  3321. /* Advertise pause */
  3322. bnx2x_ext_phy_set_pause(params, phy, vars);
  3323. /*
  3324. * Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3325. */
  3326. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3328. if (val16 < 0xd108) {
  3329. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3330. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3331. }
  3332. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3333. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3336. /* Over 1G - AN local device user page 1 */
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3339. /* Enable Autoneg */
  3340. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3341. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3342. }
  3343. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3344. struct link_params *params,
  3345. struct link_vars *vars)
  3346. {
  3347. struct bnx2x *bp = params->bp;
  3348. u16 val;
  3349. /* Disable Autoneg */
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3352. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3353. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3354. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3356. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3357. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3358. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3359. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3364. /* Disable CL36 PCS Tx */
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3367. /* Double Wide Single Data Rate @ pll rate */
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3370. /* Leave cl72 training enable, needed for KR */
  3371. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3372. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3373. 0x2);
  3374. /* Leave CL72 enabled */
  3375. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3377. &val);
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3380. val | 0x3800);
  3381. /* Set speed via PMA/PMD register */
  3382. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3383. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3384. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3385. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3386. /*Enable encoded forced speed */
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3389. /* Turn TX scramble payload only the 64/66 scrambler */
  3390. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3391. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3392. /* Turn RX scramble payload only the 64/66 scrambler */
  3393. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3395. /* set and clear loopback to cause a reset to 64/66 decoder */
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3400. }
  3401. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3402. struct link_params *params,
  3403. u8 is_xfi)
  3404. {
  3405. struct bnx2x *bp = params->bp;
  3406. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3407. /* Hold rxSeqStart */
  3408. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3412. /* Hold tx_fifo_reset */
  3413. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3415. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3417. /* Disable CL73 AN */
  3418. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3419. /* Disable 100FX Enable and Auto-Detect */
  3420. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_FX100_CTRL1, &val);
  3422. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3424. /* Disable 100FX Idle detect */
  3425. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_FX100_CTRL3, &val);
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3429. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3430. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3434. /* Turn off auto-detect & fiber mode */
  3435. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3437. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3439. (val & 0xFFEE));
  3440. /* Set filter_force_link, disable_false_link and parallel_detect */
  3441. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3443. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3445. ((val | 0x0006) & 0xFFFE));
  3446. /* Set XFI / SFI */
  3447. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3449. misc1_val &= ~(0x1f);
  3450. if (is_xfi) {
  3451. misc1_val |= 0x5;
  3452. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3453. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3454. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3455. tx_driver_val =
  3456. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3457. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3458. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3459. } else {
  3460. misc1_val |= 0x9;
  3461. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3462. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3463. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3464. tx_driver_val =
  3465. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3466. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3467. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3468. }
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3471. /* Set Transmit PMD settings */
  3472. lane = bnx2x_get_warpcore_lane(phy, params);
  3473. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_TX_FIR_TAP,
  3475. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3478. tx_driver_val);
  3479. /* Enable fiber mode, enable and invert sig_det */
  3480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3482. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3484. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3485. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3489. /* 10G XFI Full Duplex */
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3492. /* Release tx_fifo_reset */
  3493. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3497. /* Release rxSeqStart */
  3498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3502. }
  3503. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3504. struct bnx2x_phy *phy)
  3505. {
  3506. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3507. }
  3508. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3509. struct bnx2x_phy *phy,
  3510. u16 lane)
  3511. {
  3512. /* Rx0 anaRxControl1G */
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3515. /* Rx2 anaRxControl1G */
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3534. /* Serdes Digital Misc1 */
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3537. /* Serdes Digital4 Misc3 */
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3540. /* Set Transmit PMD settings */
  3541. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_TX_FIR_TAP,
  3543. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3544. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3545. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3546. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3549. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3550. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3551. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3552. }
  3553. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3554. struct link_params *params,
  3555. u8 fiber_mode,
  3556. u8 always_autoneg)
  3557. {
  3558. struct bnx2x *bp = params->bp;
  3559. u16 val16, digctrl_kx1, digctrl_kx2;
  3560. /* Clear XFI clock comp in non-10G single lane mode. */
  3561. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_RX66_CONTROL, &val16);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3565. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3566. /* SGMII Autoneg */
  3567. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3571. val16 | 0x1000);
  3572. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3573. } else {
  3574. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3575. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3576. val16 &= 0xcebf;
  3577. switch (phy->req_line_speed) {
  3578. case SPEED_10:
  3579. break;
  3580. case SPEED_100:
  3581. val16 |= 0x2000;
  3582. break;
  3583. case SPEED_1000:
  3584. val16 |= 0x0040;
  3585. break;
  3586. default:
  3587. DP(NETIF_MSG_LINK,
  3588. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3589. return;
  3590. }
  3591. if (phy->req_duplex == DUPLEX_FULL)
  3592. val16 |= 0x0100;
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3595. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3596. phy->req_line_speed);
  3597. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3599. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3600. }
  3601. /* SGMII Slave mode and disable signal detect */
  3602. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3604. if (fiber_mode)
  3605. digctrl_kx1 = 1;
  3606. else
  3607. digctrl_kx1 &= 0xff4a;
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3610. digctrl_kx1);
  3611. /* Turn off parallel detect */
  3612. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3613. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3614. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3615. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3616. (digctrl_kx2 & ~(1<<2)));
  3617. /* Re-enable parallel detect */
  3618. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3619. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3620. (digctrl_kx2 | (1<<2)));
  3621. /* Enable autodet */
  3622. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3623. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3624. (digctrl_kx1 | 0x10));
  3625. }
  3626. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3627. struct bnx2x_phy *phy,
  3628. u8 reset)
  3629. {
  3630. u16 val;
  3631. /* Take lane out of reset after configuration is finished */
  3632. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3634. if (reset)
  3635. val |= 0xC000;
  3636. else
  3637. val &= 0x3FFF;
  3638. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3640. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3642. }
  3643. /* Clear SFI/XFI link settings registers */
  3644. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3645. struct link_params *params,
  3646. u16 lane)
  3647. {
  3648. struct bnx2x *bp = params->bp;
  3649. u16 val16;
  3650. /* Set XFI clock comp as default. */
  3651. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_RX66_CONTROL, &val16);
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3655. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3656. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3659. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3660. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3663. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3665. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3667. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3668. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3669. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3670. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3671. lane = bnx2x_get_warpcore_lane(phy, params);
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3674. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3676. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3677. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3678. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3679. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3680. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3681. }
  3682. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3683. u32 chip_id,
  3684. u32 shmem_base, u8 port,
  3685. u8 *gpio_num, u8 *gpio_port)
  3686. {
  3687. u32 cfg_pin;
  3688. *gpio_num = 0;
  3689. *gpio_port = 0;
  3690. if (CHIP_IS_E3(bp)) {
  3691. cfg_pin = (REG_RD(bp, shmem_base +
  3692. offsetof(struct shmem_region,
  3693. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3694. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3695. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3696. /*
  3697. * Should not happen. This function called upon interrupt
  3698. * triggered by GPIO ( since EPIO can only generate interrupts
  3699. * to MCP).
  3700. * So if this function was called and none of the GPIOs was set,
  3701. * it means the shit hit the fan.
  3702. */
  3703. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3704. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3705. DP(NETIF_MSG_LINK,
  3706. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3707. cfg_pin);
  3708. return -EINVAL;
  3709. }
  3710. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3711. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3712. } else {
  3713. *gpio_num = MISC_REGISTERS_GPIO_3;
  3714. *gpio_port = port;
  3715. }
  3716. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3717. return 0;
  3718. }
  3719. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3720. struct link_params *params)
  3721. {
  3722. struct bnx2x *bp = params->bp;
  3723. u8 gpio_num, gpio_port;
  3724. u32 gpio_val;
  3725. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3726. params->shmem_base, params->port,
  3727. &gpio_num, &gpio_port) != 0)
  3728. return 0;
  3729. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3730. /* Call the handling function in case module is detected */
  3731. if (gpio_val == 0)
  3732. return 1;
  3733. else
  3734. return 0;
  3735. }
  3736. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3737. struct link_params *params)
  3738. {
  3739. u16 gp2_status_reg0, lane;
  3740. struct bnx2x *bp = params->bp;
  3741. lane = bnx2x_get_warpcore_lane(phy, params);
  3742. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3743. &gp2_status_reg0);
  3744. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3745. }
  3746. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3747. struct link_params *params,
  3748. struct link_vars *vars)
  3749. {
  3750. struct bnx2x *bp = params->bp;
  3751. u32 serdes_net_if;
  3752. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3753. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3754. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3755. if (!vars->turn_to_run_wc_rt)
  3756. return;
  3757. /* return if there is no link partner */
  3758. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3759. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3760. return;
  3761. }
  3762. if (vars->rx_tx_asic_rst) {
  3763. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3764. offsetof(struct shmem_region, dev_info.
  3765. port_hw_config[params->port].default_cfg)) &
  3766. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3767. switch (serdes_net_if) {
  3768. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3769. /* Do we get link yet? */
  3770. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3771. &gp_status1);
  3772. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3773. /*10G KR*/
  3774. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3775. DP(NETIF_MSG_LINK,
  3776. "gp_status1 0x%x\n", gp_status1);
  3777. if (lnkup_kr || lnkup) {
  3778. vars->rx_tx_asic_rst = 0;
  3779. DP(NETIF_MSG_LINK,
  3780. "link up, rx_tx_asic_rst 0x%x\n",
  3781. vars->rx_tx_asic_rst);
  3782. } else {
  3783. /*reset the lane to see if link comes up.*/
  3784. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3785. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3786. /* restart Autoneg */
  3787. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3788. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3789. vars->rx_tx_asic_rst--;
  3790. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3791. vars->rx_tx_asic_rst);
  3792. }
  3793. break;
  3794. default:
  3795. break;
  3796. }
  3797. } /*params->rx_tx_asic_rst*/
  3798. }
  3799. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3800. struct link_params *params,
  3801. struct link_vars *vars)
  3802. {
  3803. struct bnx2x *bp = params->bp;
  3804. u32 serdes_net_if;
  3805. u8 fiber_mode;
  3806. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3807. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3808. offsetof(struct shmem_region, dev_info.
  3809. port_hw_config[params->port].default_cfg)) &
  3810. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3811. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3812. "serdes_net_if = 0x%x\n",
  3813. vars->line_speed, serdes_net_if);
  3814. bnx2x_set_aer_mmd(params, phy);
  3815. vars->phy_flags |= PHY_XGXS_FLAG;
  3816. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3817. (phy->req_line_speed &&
  3818. ((phy->req_line_speed == SPEED_100) ||
  3819. (phy->req_line_speed == SPEED_10)))) {
  3820. vars->phy_flags |= PHY_SGMII_FLAG;
  3821. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3822. bnx2x_warpcore_clear_regs(phy, params, lane);
  3823. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3824. } else {
  3825. switch (serdes_net_if) {
  3826. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3827. /* Enable KR Auto Neg */
  3828. if (params->loopback_mode == LOOPBACK_NONE)
  3829. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3830. else {
  3831. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3832. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3833. }
  3834. break;
  3835. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3836. bnx2x_warpcore_clear_regs(phy, params, lane);
  3837. if (vars->line_speed == SPEED_10000) {
  3838. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3839. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3840. } else {
  3841. if (SINGLE_MEDIA_DIRECT(params)) {
  3842. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3843. fiber_mode = 1;
  3844. } else {
  3845. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3846. fiber_mode = 0;
  3847. }
  3848. bnx2x_warpcore_set_sgmii_speed(phy,
  3849. params,
  3850. fiber_mode,
  3851. 0);
  3852. }
  3853. break;
  3854. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3855. bnx2x_warpcore_clear_regs(phy, params, lane);
  3856. if (vars->line_speed == SPEED_10000) {
  3857. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3858. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3859. } else if (vars->line_speed == SPEED_1000) {
  3860. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3861. bnx2x_warpcore_set_sgmii_speed(
  3862. phy, params, 1, 0);
  3863. }
  3864. /* Issue Module detection */
  3865. if (bnx2x_is_sfp_module_plugged(phy, params))
  3866. bnx2x_sfp_module_detection(phy, params);
  3867. break;
  3868. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3869. if (vars->line_speed != SPEED_20000) {
  3870. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3871. return;
  3872. }
  3873. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3874. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3875. /* Issue Module detection */
  3876. bnx2x_sfp_module_detection(phy, params);
  3877. break;
  3878. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3879. if (vars->line_speed != SPEED_20000) {
  3880. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3881. return;
  3882. }
  3883. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3884. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3885. break;
  3886. default:
  3887. DP(NETIF_MSG_LINK,
  3888. "Unsupported Serdes Net Interface 0x%x\n",
  3889. serdes_net_if);
  3890. return;
  3891. }
  3892. }
  3893. /* Take lane out of reset after configuration is finished */
  3894. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3895. DP(NETIF_MSG_LINK, "Exit config init\n");
  3896. }
  3897. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3898. struct bnx2x_phy *phy,
  3899. u8 tx_en)
  3900. {
  3901. struct bnx2x *bp = params->bp;
  3902. u32 cfg_pin;
  3903. u8 port = params->port;
  3904. cfg_pin = REG_RD(bp, params->shmem_base +
  3905. offsetof(struct shmem_region,
  3906. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3907. PORT_HW_CFG_TX_LASER_MASK;
  3908. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3909. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3910. /* For 20G, the expected pin to be used is 3 pins after the current */
  3911. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3912. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3913. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3914. }
  3915. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3916. struct link_params *params)
  3917. {
  3918. struct bnx2x *bp = params->bp;
  3919. u16 val16;
  3920. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3921. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3922. bnx2x_set_aer_mmd(params, phy);
  3923. /* Global register */
  3924. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3925. /* Clear loopback settings (if any) */
  3926. /* 10G & 20G */
  3927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3928. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3929. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3930. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3931. 0xBFFF);
  3932. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3933. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3934. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3935. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3936. /* Update those 1-copy registers */
  3937. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3938. MDIO_AER_BLOCK_AER_REG, 0);
  3939. /* Enable 1G MDIO (1-copy) */
  3940. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3941. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3942. &val16);
  3943. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3944. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3945. val16 & ~0x10);
  3946. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3947. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3948. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3949. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3950. val16 & 0xff00);
  3951. }
  3952. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3953. struct link_params *params)
  3954. {
  3955. struct bnx2x *bp = params->bp;
  3956. u16 val16;
  3957. u32 lane;
  3958. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3959. params->loopback_mode, phy->req_line_speed);
  3960. if (phy->req_line_speed < SPEED_10000) {
  3961. /* 10/100/1000 */
  3962. /* Update those 1-copy registers */
  3963. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3964. MDIO_AER_BLOCK_AER_REG, 0);
  3965. /* Enable 1G MDIO (1-copy) */
  3966. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3967. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3968. &val16);
  3969. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3970. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3971. val16 | 0x10);
  3972. /* Set 1G loopback based on lane (1-copy) */
  3973. lane = bnx2x_get_warpcore_lane(phy, params);
  3974. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3975. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3976. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3977. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3978. val16 | (1<<lane));
  3979. /* Switch back to 4-copy registers */
  3980. bnx2x_set_aer_mmd(params, phy);
  3981. } else {
  3982. /* 10G & 20G */
  3983. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3985. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3986. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3987. 0x4000);
  3988. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3989. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3990. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3991. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3992. }
  3993. }
  3994. void bnx2x_sync_link(struct link_params *params,
  3995. struct link_vars *vars)
  3996. {
  3997. struct bnx2x *bp = params->bp;
  3998. u8 link_10g_plus;
  3999. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4000. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4001. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4002. if (vars->link_up) {
  4003. DP(NETIF_MSG_LINK, "phy link up\n");
  4004. vars->phy_link_up = 1;
  4005. vars->duplex = DUPLEX_FULL;
  4006. switch (vars->link_status &
  4007. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4008. case LINK_10THD:
  4009. vars->duplex = DUPLEX_HALF;
  4010. /* fall thru */
  4011. case LINK_10TFD:
  4012. vars->line_speed = SPEED_10;
  4013. break;
  4014. case LINK_100TXHD:
  4015. vars->duplex = DUPLEX_HALF;
  4016. /* fall thru */
  4017. case LINK_100T4:
  4018. case LINK_100TXFD:
  4019. vars->line_speed = SPEED_100;
  4020. break;
  4021. case LINK_1000THD:
  4022. vars->duplex = DUPLEX_HALF;
  4023. /* fall thru */
  4024. case LINK_1000TFD:
  4025. vars->line_speed = SPEED_1000;
  4026. break;
  4027. case LINK_2500THD:
  4028. vars->duplex = DUPLEX_HALF;
  4029. /* fall thru */
  4030. case LINK_2500TFD:
  4031. vars->line_speed = SPEED_2500;
  4032. break;
  4033. case LINK_10GTFD:
  4034. vars->line_speed = SPEED_10000;
  4035. break;
  4036. case LINK_20GTFD:
  4037. vars->line_speed = SPEED_20000;
  4038. break;
  4039. default:
  4040. break;
  4041. }
  4042. vars->flow_ctrl = 0;
  4043. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4044. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4045. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4046. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4047. if (!vars->flow_ctrl)
  4048. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4049. if (vars->line_speed &&
  4050. ((vars->line_speed == SPEED_10) ||
  4051. (vars->line_speed == SPEED_100))) {
  4052. vars->phy_flags |= PHY_SGMII_FLAG;
  4053. } else {
  4054. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4055. }
  4056. if (vars->line_speed &&
  4057. USES_WARPCORE(bp) &&
  4058. (vars->line_speed == SPEED_1000))
  4059. vars->phy_flags |= PHY_SGMII_FLAG;
  4060. /* anything 10 and over uses the bmac */
  4061. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4062. if (link_10g_plus) {
  4063. if (USES_WARPCORE(bp))
  4064. vars->mac_type = MAC_TYPE_XMAC;
  4065. else
  4066. vars->mac_type = MAC_TYPE_BMAC;
  4067. } else {
  4068. if (USES_WARPCORE(bp))
  4069. vars->mac_type = MAC_TYPE_UMAC;
  4070. else
  4071. vars->mac_type = MAC_TYPE_EMAC;
  4072. }
  4073. } else { /* link down */
  4074. DP(NETIF_MSG_LINK, "phy link down\n");
  4075. vars->phy_link_up = 0;
  4076. vars->line_speed = 0;
  4077. vars->duplex = DUPLEX_FULL;
  4078. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4079. /* indicate no mac active */
  4080. vars->mac_type = MAC_TYPE_NONE;
  4081. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4082. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4083. }
  4084. }
  4085. void bnx2x_link_status_update(struct link_params *params,
  4086. struct link_vars *vars)
  4087. {
  4088. struct bnx2x *bp = params->bp;
  4089. u8 port = params->port;
  4090. u32 sync_offset, media_types;
  4091. /* Update PHY configuration */
  4092. set_phy_vars(params, vars);
  4093. vars->link_status = REG_RD(bp, params->shmem_base +
  4094. offsetof(struct shmem_region,
  4095. port_mb[port].link_status));
  4096. vars->phy_flags = PHY_XGXS_FLAG;
  4097. bnx2x_sync_link(params, vars);
  4098. /* Sync media type */
  4099. sync_offset = params->shmem_base +
  4100. offsetof(struct shmem_region,
  4101. dev_info.port_hw_config[port].media_type);
  4102. media_types = REG_RD(bp, sync_offset);
  4103. params->phy[INT_PHY].media_type =
  4104. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4105. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4106. params->phy[EXT_PHY1].media_type =
  4107. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4108. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4109. params->phy[EXT_PHY2].media_type =
  4110. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4111. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4112. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4113. /* Sync AEU offset */
  4114. sync_offset = params->shmem_base +
  4115. offsetof(struct shmem_region,
  4116. dev_info.port_hw_config[port].aeu_int_mask);
  4117. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4118. /* Sync PFC status */
  4119. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4120. params->feature_config_flags |=
  4121. FEATURE_CONFIG_PFC_ENABLED;
  4122. else
  4123. params->feature_config_flags &=
  4124. ~FEATURE_CONFIG_PFC_ENABLED;
  4125. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4126. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4127. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4128. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4129. }
  4130. static void bnx2x_set_master_ln(struct link_params *params,
  4131. struct bnx2x_phy *phy)
  4132. {
  4133. struct bnx2x *bp = params->bp;
  4134. u16 new_master_ln, ser_lane;
  4135. ser_lane = ((params->lane_config &
  4136. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4137. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4138. /* set the master_ln for AN */
  4139. CL22_RD_OVER_CL45(bp, phy,
  4140. MDIO_REG_BANK_XGXS_BLOCK2,
  4141. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4142. &new_master_ln);
  4143. CL22_WR_OVER_CL45(bp, phy,
  4144. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4145. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4146. (new_master_ln | ser_lane));
  4147. }
  4148. static int bnx2x_reset_unicore(struct link_params *params,
  4149. struct bnx2x_phy *phy,
  4150. u8 set_serdes)
  4151. {
  4152. struct bnx2x *bp = params->bp;
  4153. u16 mii_control;
  4154. u16 i;
  4155. CL22_RD_OVER_CL45(bp, phy,
  4156. MDIO_REG_BANK_COMBO_IEEE0,
  4157. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4158. /* reset the unicore */
  4159. CL22_WR_OVER_CL45(bp, phy,
  4160. MDIO_REG_BANK_COMBO_IEEE0,
  4161. MDIO_COMBO_IEEE0_MII_CONTROL,
  4162. (mii_control |
  4163. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4164. if (set_serdes)
  4165. bnx2x_set_serdes_access(bp, params->port);
  4166. /* wait for the reset to self clear */
  4167. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4168. udelay(5);
  4169. /* the reset erased the previous bank value */
  4170. CL22_RD_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_COMBO_IEEE0,
  4172. MDIO_COMBO_IEEE0_MII_CONTROL,
  4173. &mii_control);
  4174. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4175. udelay(5);
  4176. return 0;
  4177. }
  4178. }
  4179. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4180. " Port %d\n",
  4181. params->port);
  4182. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4183. return -EINVAL;
  4184. }
  4185. static void bnx2x_set_swap_lanes(struct link_params *params,
  4186. struct bnx2x_phy *phy)
  4187. {
  4188. struct bnx2x *bp = params->bp;
  4189. /*
  4190. * Each two bits represents a lane number:
  4191. * No swap is 0123 => 0x1b no need to enable the swap
  4192. */
  4193. u16 rx_lane_swap, tx_lane_swap;
  4194. rx_lane_swap = ((params->lane_config &
  4195. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4196. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4197. tx_lane_swap = ((params->lane_config &
  4198. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4199. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4200. if (rx_lane_swap != 0x1b) {
  4201. CL22_WR_OVER_CL45(bp, phy,
  4202. MDIO_REG_BANK_XGXS_BLOCK2,
  4203. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4204. (rx_lane_swap |
  4205. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4206. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4207. } else {
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_XGXS_BLOCK2,
  4210. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4211. }
  4212. if (tx_lane_swap != 0x1b) {
  4213. CL22_WR_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_XGXS_BLOCK2,
  4215. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4216. (tx_lane_swap |
  4217. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4218. } else {
  4219. CL22_WR_OVER_CL45(bp, phy,
  4220. MDIO_REG_BANK_XGXS_BLOCK2,
  4221. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4222. }
  4223. }
  4224. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4225. struct link_params *params)
  4226. {
  4227. struct bnx2x *bp = params->bp;
  4228. u16 control2;
  4229. CL22_RD_OVER_CL45(bp, phy,
  4230. MDIO_REG_BANK_SERDES_DIGITAL,
  4231. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4232. &control2);
  4233. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4234. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4235. else
  4236. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4237. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4238. phy->speed_cap_mask, control2);
  4239. CL22_WR_OVER_CL45(bp, phy,
  4240. MDIO_REG_BANK_SERDES_DIGITAL,
  4241. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4242. control2);
  4243. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4244. (phy->speed_cap_mask &
  4245. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4246. DP(NETIF_MSG_LINK, "XGXS\n");
  4247. CL22_WR_OVER_CL45(bp, phy,
  4248. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4249. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4250. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4251. CL22_RD_OVER_CL45(bp, phy,
  4252. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4253. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4254. &control2);
  4255. control2 |=
  4256. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4259. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4260. control2);
  4261. /* Disable parallel detection of HiG */
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_XGXS_BLOCK2,
  4264. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4265. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4266. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4267. }
  4268. }
  4269. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4270. struct link_params *params,
  4271. struct link_vars *vars,
  4272. u8 enable_cl73)
  4273. {
  4274. struct bnx2x *bp = params->bp;
  4275. u16 reg_val;
  4276. /* CL37 Autoneg */
  4277. CL22_RD_OVER_CL45(bp, phy,
  4278. MDIO_REG_BANK_COMBO_IEEE0,
  4279. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4280. /* CL37 Autoneg Enabled */
  4281. if (vars->line_speed == SPEED_AUTO_NEG)
  4282. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4283. else /* CL37 Autoneg Disabled */
  4284. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4285. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_COMBO_IEEE0,
  4288. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4289. /* Enable/Disable Autodetection */
  4290. CL22_RD_OVER_CL45(bp, phy,
  4291. MDIO_REG_BANK_SERDES_DIGITAL,
  4292. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4293. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4294. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4295. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4296. if (vars->line_speed == SPEED_AUTO_NEG)
  4297. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4298. else
  4299. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4300. CL22_WR_OVER_CL45(bp, phy,
  4301. MDIO_REG_BANK_SERDES_DIGITAL,
  4302. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4303. /* Enable TetonII and BAM autoneg */
  4304. CL22_RD_OVER_CL45(bp, phy,
  4305. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4306. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4307. &reg_val);
  4308. if (vars->line_speed == SPEED_AUTO_NEG) {
  4309. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4310. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4311. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4312. } else {
  4313. /* TetonII and BAM Autoneg Disabled */
  4314. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4315. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4316. }
  4317. CL22_WR_OVER_CL45(bp, phy,
  4318. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4319. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4320. reg_val);
  4321. if (enable_cl73) {
  4322. /* Enable Cl73 FSM status bits */
  4323. CL22_WR_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_CL73_USERB0,
  4325. MDIO_CL73_USERB0_CL73_UCTRL,
  4326. 0xe);
  4327. /* Enable BAM Station Manager*/
  4328. CL22_WR_OVER_CL45(bp, phy,
  4329. MDIO_REG_BANK_CL73_USERB0,
  4330. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4331. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4332. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4333. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4334. /* Advertise CL73 link speeds */
  4335. CL22_RD_OVER_CL45(bp, phy,
  4336. MDIO_REG_BANK_CL73_IEEEB1,
  4337. MDIO_CL73_IEEEB1_AN_ADV2,
  4338. &reg_val);
  4339. if (phy->speed_cap_mask &
  4340. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4341. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4342. if (phy->speed_cap_mask &
  4343. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4344. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4345. CL22_WR_OVER_CL45(bp, phy,
  4346. MDIO_REG_BANK_CL73_IEEEB1,
  4347. MDIO_CL73_IEEEB1_AN_ADV2,
  4348. reg_val);
  4349. /* CL73 Autoneg Enabled */
  4350. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4351. } else /* CL73 Autoneg Disabled */
  4352. reg_val = 0;
  4353. CL22_WR_OVER_CL45(bp, phy,
  4354. MDIO_REG_BANK_CL73_IEEEB0,
  4355. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4356. }
  4357. /* program SerDes, forced speed */
  4358. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4359. struct link_params *params,
  4360. struct link_vars *vars)
  4361. {
  4362. struct bnx2x *bp = params->bp;
  4363. u16 reg_val;
  4364. /* program duplex, disable autoneg and sgmii*/
  4365. CL22_RD_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_COMBO_IEEE0,
  4367. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4368. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4369. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4370. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4371. if (phy->req_duplex == DUPLEX_FULL)
  4372. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4373. CL22_WR_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_COMBO_IEEE0,
  4375. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4376. /*
  4377. * program speed
  4378. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4379. */
  4380. CL22_RD_OVER_CL45(bp, phy,
  4381. MDIO_REG_BANK_SERDES_DIGITAL,
  4382. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4383. /* clearing the speed value before setting the right speed */
  4384. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4385. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4386. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4387. if (!((vars->line_speed == SPEED_1000) ||
  4388. (vars->line_speed == SPEED_100) ||
  4389. (vars->line_speed == SPEED_10))) {
  4390. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4391. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4392. if (vars->line_speed == SPEED_10000)
  4393. reg_val |=
  4394. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4395. }
  4396. CL22_WR_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_SERDES_DIGITAL,
  4398. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4399. }
  4400. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4401. struct link_params *params)
  4402. {
  4403. struct bnx2x *bp = params->bp;
  4404. u16 val = 0;
  4405. /* configure the 48 bits for BAM AN */
  4406. /* set extended capabilities */
  4407. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4408. val |= MDIO_OVER_1G_UP1_2_5G;
  4409. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4410. val |= MDIO_OVER_1G_UP1_10G;
  4411. CL22_WR_OVER_CL45(bp, phy,
  4412. MDIO_REG_BANK_OVER_1G,
  4413. MDIO_OVER_1G_UP1, val);
  4414. CL22_WR_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_OVER_1G,
  4416. MDIO_OVER_1G_UP3, 0x400);
  4417. }
  4418. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4419. struct link_params *params,
  4420. u16 ieee_fc)
  4421. {
  4422. struct bnx2x *bp = params->bp;
  4423. u16 val;
  4424. /* for AN, we are always publishing full duplex */
  4425. CL22_WR_OVER_CL45(bp, phy,
  4426. MDIO_REG_BANK_COMBO_IEEE0,
  4427. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4428. CL22_RD_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_CL73_IEEEB1,
  4430. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4431. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4432. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4433. CL22_WR_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_CL73_IEEEB1,
  4435. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4436. }
  4437. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4438. struct link_params *params,
  4439. u8 enable_cl73)
  4440. {
  4441. struct bnx2x *bp = params->bp;
  4442. u16 mii_control;
  4443. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4444. /* Enable and restart BAM/CL37 aneg */
  4445. if (enable_cl73) {
  4446. CL22_RD_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_CL73_IEEEB0,
  4448. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4449. &mii_control);
  4450. CL22_WR_OVER_CL45(bp, phy,
  4451. MDIO_REG_BANK_CL73_IEEEB0,
  4452. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4453. (mii_control |
  4454. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4455. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4456. } else {
  4457. CL22_RD_OVER_CL45(bp, phy,
  4458. MDIO_REG_BANK_COMBO_IEEE0,
  4459. MDIO_COMBO_IEEE0_MII_CONTROL,
  4460. &mii_control);
  4461. DP(NETIF_MSG_LINK,
  4462. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4463. mii_control);
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_COMBO_IEEE0,
  4466. MDIO_COMBO_IEEE0_MII_CONTROL,
  4467. (mii_control |
  4468. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4469. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4470. }
  4471. }
  4472. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4473. struct link_params *params,
  4474. struct link_vars *vars)
  4475. {
  4476. struct bnx2x *bp = params->bp;
  4477. u16 control1;
  4478. /* in SGMII mode, the unicore is always slave */
  4479. CL22_RD_OVER_CL45(bp, phy,
  4480. MDIO_REG_BANK_SERDES_DIGITAL,
  4481. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4482. &control1);
  4483. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4484. /* set sgmii mode (and not fiber) */
  4485. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4486. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4487. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4488. CL22_WR_OVER_CL45(bp, phy,
  4489. MDIO_REG_BANK_SERDES_DIGITAL,
  4490. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4491. control1);
  4492. /* if forced speed */
  4493. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4494. /* set speed, disable autoneg */
  4495. u16 mii_control;
  4496. CL22_RD_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_COMBO_IEEE0,
  4498. MDIO_COMBO_IEEE0_MII_CONTROL,
  4499. &mii_control);
  4500. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4501. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4502. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4503. switch (vars->line_speed) {
  4504. case SPEED_100:
  4505. mii_control |=
  4506. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4507. break;
  4508. case SPEED_1000:
  4509. mii_control |=
  4510. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4511. break;
  4512. case SPEED_10:
  4513. /* there is nothing to set for 10M */
  4514. break;
  4515. default:
  4516. /* invalid speed for SGMII */
  4517. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4518. vars->line_speed);
  4519. break;
  4520. }
  4521. /* setting the full duplex */
  4522. if (phy->req_duplex == DUPLEX_FULL)
  4523. mii_control |=
  4524. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4525. CL22_WR_OVER_CL45(bp, phy,
  4526. MDIO_REG_BANK_COMBO_IEEE0,
  4527. MDIO_COMBO_IEEE0_MII_CONTROL,
  4528. mii_control);
  4529. } else { /* AN mode */
  4530. /* enable and restart AN */
  4531. bnx2x_restart_autoneg(phy, params, 0);
  4532. }
  4533. }
  4534. /*
  4535. * link management
  4536. */
  4537. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4538. struct link_params *params)
  4539. {
  4540. struct bnx2x *bp = params->bp;
  4541. u16 pd_10g, status2_1000x;
  4542. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4543. return 0;
  4544. CL22_RD_OVER_CL45(bp, phy,
  4545. MDIO_REG_BANK_SERDES_DIGITAL,
  4546. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4547. &status2_1000x);
  4548. CL22_RD_OVER_CL45(bp, phy,
  4549. MDIO_REG_BANK_SERDES_DIGITAL,
  4550. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4551. &status2_1000x);
  4552. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4553. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4554. params->port);
  4555. return 1;
  4556. }
  4557. CL22_RD_OVER_CL45(bp, phy,
  4558. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4559. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4560. &pd_10g);
  4561. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4562. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4563. params->port);
  4564. return 1;
  4565. }
  4566. return 0;
  4567. }
  4568. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4569. struct link_params *params,
  4570. struct link_vars *vars,
  4571. u32 gp_status)
  4572. {
  4573. u16 ld_pause; /* local driver */
  4574. u16 lp_pause; /* link partner */
  4575. u16 pause_result;
  4576. struct bnx2x *bp = params->bp;
  4577. if ((gp_status &
  4578. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4579. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4580. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4581. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4582. CL22_RD_OVER_CL45(bp, phy,
  4583. MDIO_REG_BANK_CL73_IEEEB1,
  4584. MDIO_CL73_IEEEB1_AN_ADV1,
  4585. &ld_pause);
  4586. CL22_RD_OVER_CL45(bp, phy,
  4587. MDIO_REG_BANK_CL73_IEEEB1,
  4588. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4589. &lp_pause);
  4590. pause_result = (ld_pause &
  4591. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4592. pause_result |= (lp_pause &
  4593. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4594. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4595. } else {
  4596. CL22_RD_OVER_CL45(bp, phy,
  4597. MDIO_REG_BANK_COMBO_IEEE0,
  4598. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4599. &ld_pause);
  4600. CL22_RD_OVER_CL45(bp, phy,
  4601. MDIO_REG_BANK_COMBO_IEEE0,
  4602. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4603. &lp_pause);
  4604. pause_result = (ld_pause &
  4605. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4606. pause_result |= (lp_pause &
  4607. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4608. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4609. }
  4610. bnx2x_pause_resolve(vars, pause_result);
  4611. }
  4612. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4613. struct link_params *params,
  4614. struct link_vars *vars,
  4615. u32 gp_status)
  4616. {
  4617. struct bnx2x *bp = params->bp;
  4618. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4619. /* resolve from gp_status in case of AN complete and not sgmii */
  4620. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4621. /* Update the advertised flow-controled of LD/LP in AN */
  4622. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4623. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4624. /* But set the flow-control result as the requested one */
  4625. vars->flow_ctrl = phy->req_flow_ctrl;
  4626. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4627. vars->flow_ctrl = params->req_fc_auto_adv;
  4628. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4629. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4630. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4631. vars->flow_ctrl = params->req_fc_auto_adv;
  4632. return;
  4633. }
  4634. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4635. }
  4636. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4637. }
  4638. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4639. struct link_params *params)
  4640. {
  4641. struct bnx2x *bp = params->bp;
  4642. u16 rx_status, ustat_val, cl37_fsm_received;
  4643. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4644. /* Step 1: Make sure signal is detected */
  4645. CL22_RD_OVER_CL45(bp, phy,
  4646. MDIO_REG_BANK_RX0,
  4647. MDIO_RX0_RX_STATUS,
  4648. &rx_status);
  4649. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4650. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4651. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4652. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4653. CL22_WR_OVER_CL45(bp, phy,
  4654. MDIO_REG_BANK_CL73_IEEEB0,
  4655. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4656. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4657. return;
  4658. }
  4659. /* Step 2: Check CL73 state machine */
  4660. CL22_RD_OVER_CL45(bp, phy,
  4661. MDIO_REG_BANK_CL73_USERB0,
  4662. MDIO_CL73_USERB0_CL73_USTAT1,
  4663. &ustat_val);
  4664. if ((ustat_val &
  4665. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4666. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4667. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4668. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4669. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4670. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4671. return;
  4672. }
  4673. /*
  4674. * Step 3: Check CL37 Message Pages received to indicate LP
  4675. * supports only CL37
  4676. */
  4677. CL22_RD_OVER_CL45(bp, phy,
  4678. MDIO_REG_BANK_REMOTE_PHY,
  4679. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4680. &cl37_fsm_received);
  4681. if ((cl37_fsm_received &
  4682. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4683. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4684. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4685. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4686. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4687. "misc_rx_status(0x8330) = 0x%x\n",
  4688. cl37_fsm_received);
  4689. return;
  4690. }
  4691. /*
  4692. * The combined cl37/cl73 fsm state information indicating that
  4693. * we are connected to a device which does not support cl73, but
  4694. * does support cl37 BAM. In this case we disable cl73 and
  4695. * restart cl37 auto-neg
  4696. */
  4697. /* Disable CL73 */
  4698. CL22_WR_OVER_CL45(bp, phy,
  4699. MDIO_REG_BANK_CL73_IEEEB0,
  4700. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4701. 0);
  4702. /* Restart CL37 autoneg */
  4703. bnx2x_restart_autoneg(phy, params, 0);
  4704. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4705. }
  4706. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4707. struct link_params *params,
  4708. struct link_vars *vars,
  4709. u32 gp_status)
  4710. {
  4711. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4712. vars->link_status |=
  4713. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4714. if (bnx2x_direct_parallel_detect_used(phy, params))
  4715. vars->link_status |=
  4716. LINK_STATUS_PARALLEL_DETECTION_USED;
  4717. }
  4718. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4719. struct link_params *params,
  4720. struct link_vars *vars,
  4721. u16 is_link_up,
  4722. u16 speed_mask,
  4723. u16 is_duplex)
  4724. {
  4725. struct bnx2x *bp = params->bp;
  4726. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4727. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4728. if (is_link_up) {
  4729. DP(NETIF_MSG_LINK, "phy link up\n");
  4730. vars->phy_link_up = 1;
  4731. vars->link_status |= LINK_STATUS_LINK_UP;
  4732. switch (speed_mask) {
  4733. case GP_STATUS_10M:
  4734. vars->line_speed = SPEED_10;
  4735. if (vars->duplex == DUPLEX_FULL)
  4736. vars->link_status |= LINK_10TFD;
  4737. else
  4738. vars->link_status |= LINK_10THD;
  4739. break;
  4740. case GP_STATUS_100M:
  4741. vars->line_speed = SPEED_100;
  4742. if (vars->duplex == DUPLEX_FULL)
  4743. vars->link_status |= LINK_100TXFD;
  4744. else
  4745. vars->link_status |= LINK_100TXHD;
  4746. break;
  4747. case GP_STATUS_1G:
  4748. case GP_STATUS_1G_KX:
  4749. vars->line_speed = SPEED_1000;
  4750. if (vars->duplex == DUPLEX_FULL)
  4751. vars->link_status |= LINK_1000TFD;
  4752. else
  4753. vars->link_status |= LINK_1000THD;
  4754. break;
  4755. case GP_STATUS_2_5G:
  4756. vars->line_speed = SPEED_2500;
  4757. if (vars->duplex == DUPLEX_FULL)
  4758. vars->link_status |= LINK_2500TFD;
  4759. else
  4760. vars->link_status |= LINK_2500THD;
  4761. break;
  4762. case GP_STATUS_5G:
  4763. case GP_STATUS_6G:
  4764. DP(NETIF_MSG_LINK,
  4765. "link speed unsupported gp_status 0x%x\n",
  4766. speed_mask);
  4767. return -EINVAL;
  4768. case GP_STATUS_10G_KX4:
  4769. case GP_STATUS_10G_HIG:
  4770. case GP_STATUS_10G_CX4:
  4771. case GP_STATUS_10G_KR:
  4772. case GP_STATUS_10G_SFI:
  4773. case GP_STATUS_10G_XFI:
  4774. vars->line_speed = SPEED_10000;
  4775. vars->link_status |= LINK_10GTFD;
  4776. break;
  4777. case GP_STATUS_20G_DXGXS:
  4778. vars->line_speed = SPEED_20000;
  4779. vars->link_status |= LINK_20GTFD;
  4780. break;
  4781. default:
  4782. DP(NETIF_MSG_LINK,
  4783. "link speed unsupported gp_status 0x%x\n",
  4784. speed_mask);
  4785. return -EINVAL;
  4786. }
  4787. } else { /* link_down */
  4788. DP(NETIF_MSG_LINK, "phy link down\n");
  4789. vars->phy_link_up = 0;
  4790. vars->duplex = DUPLEX_FULL;
  4791. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4792. vars->mac_type = MAC_TYPE_NONE;
  4793. }
  4794. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4795. vars->phy_link_up, vars->line_speed);
  4796. return 0;
  4797. }
  4798. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4799. struct link_params *params,
  4800. struct link_vars *vars)
  4801. {
  4802. struct bnx2x *bp = params->bp;
  4803. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4804. int rc = 0;
  4805. /* Read gp_status */
  4806. CL22_RD_OVER_CL45(bp, phy,
  4807. MDIO_REG_BANK_GP_STATUS,
  4808. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4809. &gp_status);
  4810. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4811. duplex = DUPLEX_FULL;
  4812. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4813. link_up = 1;
  4814. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4815. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4816. gp_status, link_up, speed_mask);
  4817. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4818. duplex);
  4819. if (rc == -EINVAL)
  4820. return rc;
  4821. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4822. if (SINGLE_MEDIA_DIRECT(params)) {
  4823. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4824. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4825. bnx2x_xgxs_an_resolve(phy, params, vars,
  4826. gp_status);
  4827. }
  4828. } else { /* link_down */
  4829. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4830. SINGLE_MEDIA_DIRECT(params)) {
  4831. /* Check signal is detected */
  4832. bnx2x_check_fallback_to_cl37(phy, params);
  4833. }
  4834. }
  4835. /* Read LP advertised speeds*/
  4836. if (SINGLE_MEDIA_DIRECT(params) &&
  4837. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4838. u16 val;
  4839. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4840. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4841. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4842. vars->link_status |=
  4843. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4844. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4845. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4846. vars->link_status |=
  4847. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4848. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4849. MDIO_OVER_1G_LP_UP1, &val);
  4850. if (val & MDIO_OVER_1G_UP1_2_5G)
  4851. vars->link_status |=
  4852. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4853. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4854. vars->link_status |=
  4855. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4856. }
  4857. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4858. vars->duplex, vars->flow_ctrl, vars->link_status);
  4859. return rc;
  4860. }
  4861. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4862. struct link_params *params,
  4863. struct link_vars *vars)
  4864. {
  4865. struct bnx2x *bp = params->bp;
  4866. u8 lane;
  4867. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4868. int rc = 0;
  4869. lane = bnx2x_get_warpcore_lane(phy, params);
  4870. /* Read gp_status */
  4871. if (phy->req_line_speed > SPEED_10000) {
  4872. u16 temp_link_up;
  4873. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4874. 1, &temp_link_up);
  4875. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4876. 1, &link_up);
  4877. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4878. temp_link_up, link_up);
  4879. link_up &= (1<<2);
  4880. if (link_up)
  4881. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4882. } else {
  4883. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4884. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4885. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4886. /* Check for either KR or generic link up. */
  4887. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4888. ((gp_status1 >> 12) & 0xf);
  4889. link_up = gp_status1 & (1 << lane);
  4890. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4891. u16 pd, gp_status4;
  4892. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4893. /* Check Autoneg complete */
  4894. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4895. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4896. &gp_status4);
  4897. if (gp_status4 & ((1<<12)<<lane))
  4898. vars->link_status |=
  4899. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4900. /* Check parallel detect used */
  4901. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4902. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4903. &pd);
  4904. if (pd & (1<<15))
  4905. vars->link_status |=
  4906. LINK_STATUS_PARALLEL_DETECTION_USED;
  4907. }
  4908. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4909. }
  4910. }
  4911. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4912. SINGLE_MEDIA_DIRECT(params)) {
  4913. u16 val;
  4914. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4915. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4916. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4917. vars->link_status |=
  4918. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4919. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4920. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4921. vars->link_status |=
  4922. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4923. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4924. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4925. if (val & MDIO_OVER_1G_UP1_2_5G)
  4926. vars->link_status |=
  4927. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4928. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4929. vars->link_status |=
  4930. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4931. }
  4932. if (lane < 2) {
  4933. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4934. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4935. } else {
  4936. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4937. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4938. }
  4939. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4940. if ((lane & 1) == 0)
  4941. gp_speed <<= 8;
  4942. gp_speed &= 0x3f00;
  4943. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4944. duplex);
  4945. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4946. vars->duplex, vars->flow_ctrl, vars->link_status);
  4947. return rc;
  4948. }
  4949. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4950. {
  4951. struct bnx2x *bp = params->bp;
  4952. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4953. u16 lp_up2;
  4954. u16 tx_driver;
  4955. u16 bank;
  4956. /* read precomp */
  4957. CL22_RD_OVER_CL45(bp, phy,
  4958. MDIO_REG_BANK_OVER_1G,
  4959. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4960. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4961. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4962. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4963. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4964. if (lp_up2 == 0)
  4965. return;
  4966. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4967. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4968. CL22_RD_OVER_CL45(bp, phy,
  4969. bank,
  4970. MDIO_TX0_TX_DRIVER, &tx_driver);
  4971. /* replace tx_driver bits [15:12] */
  4972. if (lp_up2 !=
  4973. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4974. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4975. tx_driver |= lp_up2;
  4976. CL22_WR_OVER_CL45(bp, phy,
  4977. bank,
  4978. MDIO_TX0_TX_DRIVER, tx_driver);
  4979. }
  4980. }
  4981. }
  4982. static int bnx2x_emac_program(struct link_params *params,
  4983. struct link_vars *vars)
  4984. {
  4985. struct bnx2x *bp = params->bp;
  4986. u8 port = params->port;
  4987. u16 mode = 0;
  4988. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4989. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4990. EMAC_REG_EMAC_MODE,
  4991. (EMAC_MODE_25G_MODE |
  4992. EMAC_MODE_PORT_MII_10M |
  4993. EMAC_MODE_HALF_DUPLEX));
  4994. switch (vars->line_speed) {
  4995. case SPEED_10:
  4996. mode |= EMAC_MODE_PORT_MII_10M;
  4997. break;
  4998. case SPEED_100:
  4999. mode |= EMAC_MODE_PORT_MII;
  5000. break;
  5001. case SPEED_1000:
  5002. mode |= EMAC_MODE_PORT_GMII;
  5003. break;
  5004. case SPEED_2500:
  5005. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5006. break;
  5007. default:
  5008. /* 10G not valid for EMAC */
  5009. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5010. vars->line_speed);
  5011. return -EINVAL;
  5012. }
  5013. if (vars->duplex == DUPLEX_HALF)
  5014. mode |= EMAC_MODE_HALF_DUPLEX;
  5015. bnx2x_bits_en(bp,
  5016. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5017. mode);
  5018. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5019. return 0;
  5020. }
  5021. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5022. struct link_params *params)
  5023. {
  5024. u16 bank, i = 0;
  5025. struct bnx2x *bp = params->bp;
  5026. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5027. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5028. CL22_WR_OVER_CL45(bp, phy,
  5029. bank,
  5030. MDIO_RX0_RX_EQ_BOOST,
  5031. phy->rx_preemphasis[i]);
  5032. }
  5033. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5034. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5035. CL22_WR_OVER_CL45(bp, phy,
  5036. bank,
  5037. MDIO_TX0_TX_DRIVER,
  5038. phy->tx_preemphasis[i]);
  5039. }
  5040. }
  5041. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5042. struct link_params *params,
  5043. struct link_vars *vars)
  5044. {
  5045. struct bnx2x *bp = params->bp;
  5046. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5047. (params->loopback_mode == LOOPBACK_XGXS));
  5048. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5049. if (SINGLE_MEDIA_DIRECT(params) &&
  5050. (params->feature_config_flags &
  5051. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5052. bnx2x_set_preemphasis(phy, params);
  5053. /* forced speed requested? */
  5054. if (vars->line_speed != SPEED_AUTO_NEG ||
  5055. (SINGLE_MEDIA_DIRECT(params) &&
  5056. params->loopback_mode == LOOPBACK_EXT)) {
  5057. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5058. /* disable autoneg */
  5059. bnx2x_set_autoneg(phy, params, vars, 0);
  5060. /* program speed and duplex */
  5061. bnx2x_program_serdes(phy, params, vars);
  5062. } else { /* AN_mode */
  5063. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5064. /* AN enabled */
  5065. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5066. /* program duplex & pause advertisement (for aneg) */
  5067. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5068. vars->ieee_fc);
  5069. /* enable autoneg */
  5070. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5071. /* enable and restart AN */
  5072. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5073. }
  5074. } else { /* SGMII mode */
  5075. DP(NETIF_MSG_LINK, "SGMII\n");
  5076. bnx2x_initialize_sgmii_process(phy, params, vars);
  5077. }
  5078. }
  5079. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5080. struct link_params *params,
  5081. struct link_vars *vars)
  5082. {
  5083. int rc;
  5084. vars->phy_flags |= PHY_XGXS_FLAG;
  5085. if ((phy->req_line_speed &&
  5086. ((phy->req_line_speed == SPEED_100) ||
  5087. (phy->req_line_speed == SPEED_10))) ||
  5088. (!phy->req_line_speed &&
  5089. (phy->speed_cap_mask >=
  5090. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5091. (phy->speed_cap_mask <
  5092. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5093. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5094. vars->phy_flags |= PHY_SGMII_FLAG;
  5095. else
  5096. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5097. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5098. bnx2x_set_aer_mmd(params, phy);
  5099. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5100. bnx2x_set_master_ln(params, phy);
  5101. rc = bnx2x_reset_unicore(params, phy, 0);
  5102. /* reset the SerDes and wait for reset bit return low */
  5103. if (rc != 0)
  5104. return rc;
  5105. bnx2x_set_aer_mmd(params, phy);
  5106. /* setting the masterLn_def again after the reset */
  5107. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5108. bnx2x_set_master_ln(params, phy);
  5109. bnx2x_set_swap_lanes(params, phy);
  5110. }
  5111. return rc;
  5112. }
  5113. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5114. struct bnx2x_phy *phy,
  5115. struct link_params *params)
  5116. {
  5117. u16 cnt, ctrl;
  5118. /* Wait for soft reset to get cleared up to 1 sec */
  5119. for (cnt = 0; cnt < 1000; cnt++) {
  5120. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5121. bnx2x_cl22_read(bp, phy,
  5122. MDIO_PMA_REG_CTRL, &ctrl);
  5123. else
  5124. bnx2x_cl45_read(bp, phy,
  5125. MDIO_PMA_DEVAD,
  5126. MDIO_PMA_REG_CTRL, &ctrl);
  5127. if (!(ctrl & (1<<15)))
  5128. break;
  5129. msleep(1);
  5130. }
  5131. if (cnt == 1000)
  5132. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5133. " Port %d\n",
  5134. params->port);
  5135. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5136. return cnt;
  5137. }
  5138. static void bnx2x_link_int_enable(struct link_params *params)
  5139. {
  5140. u8 port = params->port;
  5141. u32 mask;
  5142. struct bnx2x *bp = params->bp;
  5143. /* Setting the status to report on link up for either XGXS or SerDes */
  5144. if (CHIP_IS_E3(bp)) {
  5145. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5146. if (!(SINGLE_MEDIA_DIRECT(params)))
  5147. mask |= NIG_MASK_MI_INT;
  5148. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5149. mask = (NIG_MASK_XGXS0_LINK10G |
  5150. NIG_MASK_XGXS0_LINK_STATUS);
  5151. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5152. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5153. params->phy[INT_PHY].type !=
  5154. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5155. mask |= NIG_MASK_MI_INT;
  5156. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5157. }
  5158. } else { /* SerDes */
  5159. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5160. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5161. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5162. params->phy[INT_PHY].type !=
  5163. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5164. mask |= NIG_MASK_MI_INT;
  5165. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5166. }
  5167. }
  5168. bnx2x_bits_en(bp,
  5169. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5170. mask);
  5171. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5172. (params->switch_cfg == SWITCH_CFG_10G),
  5173. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5174. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5175. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5176. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5177. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5178. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5179. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5180. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5181. }
  5182. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5183. u8 exp_mi_int)
  5184. {
  5185. u32 latch_status = 0;
  5186. /*
  5187. * Disable the MI INT ( external phy int ) by writing 1 to the
  5188. * status register. Link down indication is high-active-signal,
  5189. * so in this case we need to write the status to clear the XOR
  5190. */
  5191. /* Read Latched signals */
  5192. latch_status = REG_RD(bp,
  5193. NIG_REG_LATCH_STATUS_0 + port*8);
  5194. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5195. /* Handle only those with latched-signal=up.*/
  5196. if (exp_mi_int)
  5197. bnx2x_bits_en(bp,
  5198. NIG_REG_STATUS_INTERRUPT_PORT0
  5199. + port*4,
  5200. NIG_STATUS_EMAC0_MI_INT);
  5201. else
  5202. bnx2x_bits_dis(bp,
  5203. NIG_REG_STATUS_INTERRUPT_PORT0
  5204. + port*4,
  5205. NIG_STATUS_EMAC0_MI_INT);
  5206. if (latch_status & 1) {
  5207. /* For all latched-signal=up : Re-Arm Latch signals */
  5208. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5209. (latch_status & 0xfffe) | (latch_status & 1));
  5210. }
  5211. /* For all latched-signal=up,Write original_signal to status */
  5212. }
  5213. static void bnx2x_link_int_ack(struct link_params *params,
  5214. struct link_vars *vars, u8 is_10g_plus)
  5215. {
  5216. struct bnx2x *bp = params->bp;
  5217. u8 port = params->port;
  5218. u32 mask;
  5219. /*
  5220. * First reset all status we assume only one line will be
  5221. * change at a time
  5222. */
  5223. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5224. (NIG_STATUS_XGXS0_LINK10G |
  5225. NIG_STATUS_XGXS0_LINK_STATUS |
  5226. NIG_STATUS_SERDES0_LINK_STATUS));
  5227. if (vars->phy_link_up) {
  5228. if (USES_WARPCORE(bp))
  5229. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5230. else {
  5231. if (is_10g_plus)
  5232. mask = NIG_STATUS_XGXS0_LINK10G;
  5233. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5234. /*
  5235. * Disable the link interrupt by writing 1 to
  5236. * the relevant lane in the status register
  5237. */
  5238. u32 ser_lane =
  5239. ((params->lane_config &
  5240. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5241. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5242. mask = ((1 << ser_lane) <<
  5243. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5244. } else
  5245. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5246. }
  5247. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5248. mask);
  5249. bnx2x_bits_en(bp,
  5250. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5251. mask);
  5252. }
  5253. }
  5254. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5255. {
  5256. u8 *str_ptr = str;
  5257. u32 mask = 0xf0000000;
  5258. u8 shift = 8*4;
  5259. u8 digit;
  5260. u8 remove_leading_zeros = 1;
  5261. if (*len < 10) {
  5262. /* Need more than 10chars for this format */
  5263. *str_ptr = '\0';
  5264. (*len)--;
  5265. return -EINVAL;
  5266. }
  5267. while (shift > 0) {
  5268. shift -= 4;
  5269. digit = ((num & mask) >> shift);
  5270. if (digit == 0 && remove_leading_zeros) {
  5271. mask = mask >> 4;
  5272. continue;
  5273. } else if (digit < 0xa)
  5274. *str_ptr = digit + '0';
  5275. else
  5276. *str_ptr = digit - 0xa + 'a';
  5277. remove_leading_zeros = 0;
  5278. str_ptr++;
  5279. (*len)--;
  5280. mask = mask >> 4;
  5281. if (shift == 4*4) {
  5282. *str_ptr = '.';
  5283. str_ptr++;
  5284. (*len)--;
  5285. remove_leading_zeros = 1;
  5286. }
  5287. }
  5288. return 0;
  5289. }
  5290. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5291. {
  5292. str[0] = '\0';
  5293. (*len)--;
  5294. return 0;
  5295. }
  5296. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5297. u16 len)
  5298. {
  5299. struct bnx2x *bp;
  5300. u32 spirom_ver = 0;
  5301. int status = 0;
  5302. u8 *ver_p = version;
  5303. u16 remain_len = len;
  5304. if (version == NULL || params == NULL)
  5305. return -EINVAL;
  5306. bp = params->bp;
  5307. /* Extract first external phy*/
  5308. version[0] = '\0';
  5309. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5310. if (params->phy[EXT_PHY1].format_fw_ver) {
  5311. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5312. ver_p,
  5313. &remain_len);
  5314. ver_p += (len - remain_len);
  5315. }
  5316. if ((params->num_phys == MAX_PHYS) &&
  5317. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5318. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5319. if (params->phy[EXT_PHY2].format_fw_ver) {
  5320. *ver_p = '/';
  5321. ver_p++;
  5322. remain_len--;
  5323. status |= params->phy[EXT_PHY2].format_fw_ver(
  5324. spirom_ver,
  5325. ver_p,
  5326. &remain_len);
  5327. ver_p = version + (len - remain_len);
  5328. }
  5329. }
  5330. *ver_p = '\0';
  5331. return status;
  5332. }
  5333. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5334. struct link_params *params)
  5335. {
  5336. u8 port = params->port;
  5337. struct bnx2x *bp = params->bp;
  5338. if (phy->req_line_speed != SPEED_1000) {
  5339. u32 md_devad = 0;
  5340. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5341. if (!CHIP_IS_E3(bp)) {
  5342. /* change the uni_phy_addr in the nig */
  5343. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5344. port*0x18));
  5345. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5346. 0x5);
  5347. }
  5348. bnx2x_cl45_write(bp, phy,
  5349. 5,
  5350. (MDIO_REG_BANK_AER_BLOCK +
  5351. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5352. 0x2800);
  5353. bnx2x_cl45_write(bp, phy,
  5354. 5,
  5355. (MDIO_REG_BANK_CL73_IEEEB0 +
  5356. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5357. 0x6041);
  5358. msleep(200);
  5359. /* set aer mmd back */
  5360. bnx2x_set_aer_mmd(params, phy);
  5361. if (!CHIP_IS_E3(bp)) {
  5362. /* and md_devad */
  5363. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5364. md_devad);
  5365. }
  5366. } else {
  5367. u16 mii_ctrl;
  5368. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5369. bnx2x_cl45_read(bp, phy, 5,
  5370. (MDIO_REG_BANK_COMBO_IEEE0 +
  5371. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5372. &mii_ctrl);
  5373. bnx2x_cl45_write(bp, phy, 5,
  5374. (MDIO_REG_BANK_COMBO_IEEE0 +
  5375. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5376. mii_ctrl |
  5377. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5378. }
  5379. }
  5380. int bnx2x_set_led(struct link_params *params,
  5381. struct link_vars *vars, u8 mode, u32 speed)
  5382. {
  5383. u8 port = params->port;
  5384. u16 hw_led_mode = params->hw_led_mode;
  5385. int rc = 0;
  5386. u8 phy_idx;
  5387. u32 tmp;
  5388. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5389. struct bnx2x *bp = params->bp;
  5390. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5391. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5392. speed, hw_led_mode);
  5393. /* In case */
  5394. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5395. if (params->phy[phy_idx].set_link_led) {
  5396. params->phy[phy_idx].set_link_led(
  5397. &params->phy[phy_idx], params, mode);
  5398. }
  5399. }
  5400. switch (mode) {
  5401. case LED_MODE_FRONT_PANEL_OFF:
  5402. case LED_MODE_OFF:
  5403. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5404. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5405. SHARED_HW_CFG_LED_MAC1);
  5406. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5407. if (params->phy[EXT_PHY1].type ==
  5408. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5409. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5410. else {
  5411. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5412. (tmp | EMAC_LED_OVERRIDE));
  5413. }
  5414. break;
  5415. case LED_MODE_OPER:
  5416. /*
  5417. * For all other phys, OPER mode is same as ON, so in case
  5418. * link is down, do nothing
  5419. */
  5420. if (!vars->link_up)
  5421. break;
  5422. case LED_MODE_ON:
  5423. if (((params->phy[EXT_PHY1].type ==
  5424. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5425. (params->phy[EXT_PHY1].type ==
  5426. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5427. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5428. /*
  5429. * This is a work-around for E2+8727 Configurations
  5430. */
  5431. if (mode == LED_MODE_ON ||
  5432. speed == SPEED_10000){
  5433. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5434. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5435. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5436. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5437. (tmp | EMAC_LED_OVERRIDE));
  5438. /*
  5439. * return here without enabling traffic
  5440. * LED blink and setting rate in ON mode.
  5441. * In oper mode, enabling LED blink
  5442. * and setting rate is needed.
  5443. */
  5444. if (mode == LED_MODE_ON)
  5445. return rc;
  5446. }
  5447. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5448. /*
  5449. * This is a work-around for HW issue found when link
  5450. * is up in CL73
  5451. */
  5452. if ((!CHIP_IS_E3(bp)) ||
  5453. (CHIP_IS_E3(bp) &&
  5454. mode == LED_MODE_ON))
  5455. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5456. if (CHIP_IS_E1x(bp) ||
  5457. CHIP_IS_E2(bp) ||
  5458. (mode == LED_MODE_ON))
  5459. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5460. else
  5461. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5462. hw_led_mode);
  5463. } else if ((params->phy[EXT_PHY1].type ==
  5464. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5465. (mode != LED_MODE_OPER)) {
  5466. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5467. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5468. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5469. } else
  5470. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5471. hw_led_mode);
  5472. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5473. /* Set blinking rate to ~15.9Hz */
  5474. if (CHIP_IS_E3(bp))
  5475. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5476. LED_BLINK_RATE_VAL_E3);
  5477. else
  5478. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5479. LED_BLINK_RATE_VAL_E1X_E2);
  5480. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5481. port*4, 1);
  5482. if ((params->phy[EXT_PHY1].type !=
  5483. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5484. (mode != LED_MODE_OPER)) {
  5485. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5486. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5487. (tmp & (~EMAC_LED_OVERRIDE)));
  5488. }
  5489. if (CHIP_IS_E1(bp) &&
  5490. ((speed == SPEED_2500) ||
  5491. (speed == SPEED_1000) ||
  5492. (speed == SPEED_100) ||
  5493. (speed == SPEED_10))) {
  5494. /*
  5495. * On Everest 1 Ax chip versions for speeds less than
  5496. * 10G LED scheme is different
  5497. */
  5498. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5499. + port*4, 1);
  5500. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5501. port*4, 0);
  5502. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5503. port*4, 1);
  5504. }
  5505. break;
  5506. default:
  5507. rc = -EINVAL;
  5508. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5509. mode);
  5510. break;
  5511. }
  5512. return rc;
  5513. }
  5514. /*
  5515. * This function comes to reflect the actual link state read DIRECTLY from the
  5516. * HW
  5517. */
  5518. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5519. u8 is_serdes)
  5520. {
  5521. struct bnx2x *bp = params->bp;
  5522. u16 gp_status = 0, phy_index = 0;
  5523. u8 ext_phy_link_up = 0, serdes_phy_type;
  5524. struct link_vars temp_vars;
  5525. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5526. if (CHIP_IS_E3(bp)) {
  5527. u16 link_up;
  5528. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5529. > SPEED_10000) {
  5530. /* Check 20G link */
  5531. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5532. 1, &link_up);
  5533. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5534. 1, &link_up);
  5535. link_up &= (1<<2);
  5536. } else {
  5537. /* Check 10G link and below*/
  5538. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5539. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5540. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5541. &gp_status);
  5542. gp_status = ((gp_status >> 8) & 0xf) |
  5543. ((gp_status >> 12) & 0xf);
  5544. link_up = gp_status & (1 << lane);
  5545. }
  5546. if (!link_up)
  5547. return -ESRCH;
  5548. } else {
  5549. CL22_RD_OVER_CL45(bp, int_phy,
  5550. MDIO_REG_BANK_GP_STATUS,
  5551. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5552. &gp_status);
  5553. /* link is up only if both local phy and external phy are up */
  5554. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5555. return -ESRCH;
  5556. }
  5557. /* In XGXS loopback mode, do not check external PHY */
  5558. if (params->loopback_mode == LOOPBACK_XGXS)
  5559. return 0;
  5560. switch (params->num_phys) {
  5561. case 1:
  5562. /* No external PHY */
  5563. return 0;
  5564. case 2:
  5565. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5566. &params->phy[EXT_PHY1],
  5567. params, &temp_vars);
  5568. break;
  5569. case 3: /* Dual Media */
  5570. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5571. phy_index++) {
  5572. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5573. ETH_PHY_SFP_FIBER) ||
  5574. (params->phy[phy_index].media_type ==
  5575. ETH_PHY_XFP_FIBER) ||
  5576. (params->phy[phy_index].media_type ==
  5577. ETH_PHY_DA_TWINAX));
  5578. if (is_serdes != serdes_phy_type)
  5579. continue;
  5580. if (params->phy[phy_index].read_status) {
  5581. ext_phy_link_up |=
  5582. params->phy[phy_index].read_status(
  5583. &params->phy[phy_index],
  5584. params, &temp_vars);
  5585. }
  5586. }
  5587. break;
  5588. }
  5589. if (ext_phy_link_up)
  5590. return 0;
  5591. return -ESRCH;
  5592. }
  5593. static int bnx2x_link_initialize(struct link_params *params,
  5594. struct link_vars *vars)
  5595. {
  5596. int rc = 0;
  5597. u8 phy_index, non_ext_phy;
  5598. struct bnx2x *bp = params->bp;
  5599. /*
  5600. * In case of external phy existence, the line speed would be the
  5601. * line speed linked up by the external phy. In case it is direct
  5602. * only, then the line_speed during initialization will be
  5603. * equal to the req_line_speed
  5604. */
  5605. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5606. /*
  5607. * Initialize the internal phy in case this is a direct board
  5608. * (no external phys), or this board has external phy which requires
  5609. * to first.
  5610. */
  5611. if (!USES_WARPCORE(bp))
  5612. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5613. /* init ext phy and enable link state int */
  5614. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5615. (params->loopback_mode == LOOPBACK_XGXS));
  5616. if (non_ext_phy ||
  5617. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5618. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5619. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5620. if (vars->line_speed == SPEED_AUTO_NEG &&
  5621. (CHIP_IS_E1x(bp) ||
  5622. CHIP_IS_E2(bp)))
  5623. bnx2x_set_parallel_detection(phy, params);
  5624. if (params->phy[INT_PHY].config_init)
  5625. params->phy[INT_PHY].config_init(phy,
  5626. params,
  5627. vars);
  5628. }
  5629. /* Init external phy*/
  5630. if (non_ext_phy) {
  5631. if (params->phy[INT_PHY].supported &
  5632. SUPPORTED_FIBRE)
  5633. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5634. } else {
  5635. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5636. phy_index++) {
  5637. /*
  5638. * No need to initialize second phy in case of first
  5639. * phy only selection. In case of second phy, we do
  5640. * need to initialize the first phy, since they are
  5641. * connected.
  5642. */
  5643. if (params->phy[phy_index].supported &
  5644. SUPPORTED_FIBRE)
  5645. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5646. if (phy_index == EXT_PHY2 &&
  5647. (bnx2x_phy_selection(params) ==
  5648. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5649. DP(NETIF_MSG_LINK,
  5650. "Not initializing second phy\n");
  5651. continue;
  5652. }
  5653. params->phy[phy_index].config_init(
  5654. &params->phy[phy_index],
  5655. params, vars);
  5656. }
  5657. }
  5658. /* Reset the interrupt indication after phy was initialized */
  5659. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5660. params->port*4,
  5661. (NIG_STATUS_XGXS0_LINK10G |
  5662. NIG_STATUS_XGXS0_LINK_STATUS |
  5663. NIG_STATUS_SERDES0_LINK_STATUS |
  5664. NIG_MASK_MI_INT));
  5665. bnx2x_update_mng(params, vars->link_status);
  5666. return rc;
  5667. }
  5668. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5669. struct link_params *params)
  5670. {
  5671. /* reset the SerDes/XGXS */
  5672. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5673. (0x1ff << (params->port*16)));
  5674. }
  5675. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5676. struct link_params *params)
  5677. {
  5678. struct bnx2x *bp = params->bp;
  5679. u8 gpio_port;
  5680. /* HW reset */
  5681. if (CHIP_IS_E2(bp))
  5682. gpio_port = BP_PATH(bp);
  5683. else
  5684. gpio_port = params->port;
  5685. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5686. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5687. gpio_port);
  5688. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5689. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5690. gpio_port);
  5691. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5692. }
  5693. static int bnx2x_update_link_down(struct link_params *params,
  5694. struct link_vars *vars)
  5695. {
  5696. struct bnx2x *bp = params->bp;
  5697. u8 port = params->port;
  5698. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5699. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5700. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5701. /* indicate no mac active */
  5702. vars->mac_type = MAC_TYPE_NONE;
  5703. /* update shared memory */
  5704. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5705. LINK_STATUS_LINK_UP |
  5706. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5707. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5708. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5709. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5710. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5711. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5712. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5713. vars->line_speed = 0;
  5714. bnx2x_update_mng(params, vars->link_status);
  5715. /* activate nig drain */
  5716. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5717. /* disable emac */
  5718. if (!CHIP_IS_E3(bp))
  5719. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5720. msleep(10);
  5721. /* reset BigMac/Xmac */
  5722. if (CHIP_IS_E1x(bp) ||
  5723. CHIP_IS_E2(bp)) {
  5724. bnx2x_bmac_rx_disable(bp, params->port);
  5725. REG_WR(bp, GRCBASE_MISC +
  5726. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5727. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5728. }
  5729. if (CHIP_IS_E3(bp)) {
  5730. bnx2x_xmac_disable(params);
  5731. bnx2x_umac_disable(params);
  5732. }
  5733. return 0;
  5734. }
  5735. static int bnx2x_update_link_up(struct link_params *params,
  5736. struct link_vars *vars,
  5737. u8 link_10g)
  5738. {
  5739. struct bnx2x *bp = params->bp;
  5740. u8 port = params->port;
  5741. int rc = 0;
  5742. vars->link_status |= (LINK_STATUS_LINK_UP |
  5743. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5744. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5745. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5746. vars->link_status |=
  5747. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5748. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5749. vars->link_status |=
  5750. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5751. if (USES_WARPCORE(bp)) {
  5752. if (link_10g) {
  5753. if (bnx2x_xmac_enable(params, vars, 0) ==
  5754. -ESRCH) {
  5755. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5756. vars->link_up = 0;
  5757. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5758. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5759. }
  5760. } else
  5761. bnx2x_umac_enable(params, vars, 0);
  5762. bnx2x_set_led(params, vars,
  5763. LED_MODE_OPER, vars->line_speed);
  5764. }
  5765. if ((CHIP_IS_E1x(bp) ||
  5766. CHIP_IS_E2(bp))) {
  5767. if (link_10g) {
  5768. if (bnx2x_bmac_enable(params, vars, 0) ==
  5769. -ESRCH) {
  5770. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5771. vars->link_up = 0;
  5772. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5773. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5774. }
  5775. bnx2x_set_led(params, vars,
  5776. LED_MODE_OPER, SPEED_10000);
  5777. } else {
  5778. rc = bnx2x_emac_program(params, vars);
  5779. bnx2x_emac_enable(params, vars, 0);
  5780. /* AN complete? */
  5781. if ((vars->link_status &
  5782. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5783. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5784. SINGLE_MEDIA_DIRECT(params))
  5785. bnx2x_set_gmii_tx_driver(params);
  5786. }
  5787. }
  5788. /* PBF - link up */
  5789. if (CHIP_IS_E1x(bp))
  5790. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5791. vars->line_speed);
  5792. /* disable drain */
  5793. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5794. /* update shared memory */
  5795. bnx2x_update_mng(params, vars->link_status);
  5796. msleep(20);
  5797. return rc;
  5798. }
  5799. /*
  5800. * The bnx2x_link_update function should be called upon link
  5801. * interrupt.
  5802. * Link is considered up as follows:
  5803. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5804. * to be up
  5805. * - SINGLE_MEDIA - The link between the 577xx and the external
  5806. * phy (XGXS) need to up as well as the external link of the
  5807. * phy (PHY_EXT1)
  5808. * - DUAL_MEDIA - The link between the 577xx and the first
  5809. * external phy needs to be up, and at least one of the 2
  5810. * external phy link must be up.
  5811. */
  5812. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5813. {
  5814. struct bnx2x *bp = params->bp;
  5815. struct link_vars phy_vars[MAX_PHYS];
  5816. u8 port = params->port;
  5817. u8 link_10g_plus, phy_index;
  5818. u8 ext_phy_link_up = 0, cur_link_up;
  5819. int rc = 0;
  5820. u8 is_mi_int = 0;
  5821. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5822. u8 active_external_phy = INT_PHY;
  5823. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5824. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5825. phy_index++) {
  5826. phy_vars[phy_index].flow_ctrl = 0;
  5827. phy_vars[phy_index].link_status = 0;
  5828. phy_vars[phy_index].line_speed = 0;
  5829. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5830. phy_vars[phy_index].phy_link_up = 0;
  5831. phy_vars[phy_index].link_up = 0;
  5832. phy_vars[phy_index].fault_detected = 0;
  5833. }
  5834. if (USES_WARPCORE(bp))
  5835. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5836. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5837. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5838. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5839. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5840. port*0x18) > 0);
  5841. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5842. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5843. is_mi_int,
  5844. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5845. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5846. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5847. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5848. /* disable emac */
  5849. if (!CHIP_IS_E3(bp))
  5850. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5851. /*
  5852. * Step 1:
  5853. * Check external link change only for external phys, and apply
  5854. * priority selection between them in case the link on both phys
  5855. * is up. Note that instead of the common vars, a temporary
  5856. * vars argument is used since each phy may have different link/
  5857. * speed/duplex result
  5858. */
  5859. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5860. phy_index++) {
  5861. struct bnx2x_phy *phy = &params->phy[phy_index];
  5862. if (!phy->read_status)
  5863. continue;
  5864. /* Read link status and params of this ext phy */
  5865. cur_link_up = phy->read_status(phy, params,
  5866. &phy_vars[phy_index]);
  5867. if (cur_link_up) {
  5868. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5869. phy_index);
  5870. } else {
  5871. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5872. phy_index);
  5873. continue;
  5874. }
  5875. if (!ext_phy_link_up) {
  5876. ext_phy_link_up = 1;
  5877. active_external_phy = phy_index;
  5878. } else {
  5879. switch (bnx2x_phy_selection(params)) {
  5880. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5881. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5882. /*
  5883. * In this option, the first PHY makes sure to pass the
  5884. * traffic through itself only.
  5885. * Its not clear how to reset the link on the second phy
  5886. */
  5887. active_external_phy = EXT_PHY1;
  5888. break;
  5889. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5890. /*
  5891. * In this option, the first PHY makes sure to pass the
  5892. * traffic through the second PHY.
  5893. */
  5894. active_external_phy = EXT_PHY2;
  5895. break;
  5896. default:
  5897. /*
  5898. * Link indication on both PHYs with the following cases
  5899. * is invalid:
  5900. * - FIRST_PHY means that second phy wasn't initialized,
  5901. * hence its link is expected to be down
  5902. * - SECOND_PHY means that first phy should not be able
  5903. * to link up by itself (using configuration)
  5904. * - DEFAULT should be overriden during initialiazation
  5905. */
  5906. DP(NETIF_MSG_LINK, "Invalid link indication"
  5907. "mpc=0x%x. DISABLING LINK !!!\n",
  5908. params->multi_phy_config);
  5909. ext_phy_link_up = 0;
  5910. break;
  5911. }
  5912. }
  5913. }
  5914. prev_line_speed = vars->line_speed;
  5915. /*
  5916. * Step 2:
  5917. * Read the status of the internal phy. In case of
  5918. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5919. * otherwise this is the link between the 577xx and the first
  5920. * external phy
  5921. */
  5922. if (params->phy[INT_PHY].read_status)
  5923. params->phy[INT_PHY].read_status(
  5924. &params->phy[INT_PHY],
  5925. params, vars);
  5926. /*
  5927. * The INT_PHY flow control reside in the vars. This include the
  5928. * case where the speed or flow control are not set to AUTO.
  5929. * Otherwise, the active external phy flow control result is set
  5930. * to the vars. The ext_phy_line_speed is needed to check if the
  5931. * speed is different between the internal phy and external phy.
  5932. * This case may be result of intermediate link speed change.
  5933. */
  5934. if (active_external_phy > INT_PHY) {
  5935. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5936. /*
  5937. * Link speed is taken from the XGXS. AN and FC result from
  5938. * the external phy.
  5939. */
  5940. vars->link_status |= phy_vars[active_external_phy].link_status;
  5941. /*
  5942. * if active_external_phy is first PHY and link is up - disable
  5943. * disable TX on second external PHY
  5944. */
  5945. if (active_external_phy == EXT_PHY1) {
  5946. if (params->phy[EXT_PHY2].phy_specific_func) {
  5947. DP(NETIF_MSG_LINK,
  5948. "Disabling TX on EXT_PHY2\n");
  5949. params->phy[EXT_PHY2].phy_specific_func(
  5950. &params->phy[EXT_PHY2],
  5951. params, DISABLE_TX);
  5952. }
  5953. }
  5954. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5955. vars->duplex = phy_vars[active_external_phy].duplex;
  5956. if (params->phy[active_external_phy].supported &
  5957. SUPPORTED_FIBRE)
  5958. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5959. else
  5960. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5961. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5962. active_external_phy);
  5963. }
  5964. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5965. phy_index++) {
  5966. if (params->phy[phy_index].flags &
  5967. FLAGS_REARM_LATCH_SIGNAL) {
  5968. bnx2x_rearm_latch_signal(bp, port,
  5969. phy_index ==
  5970. active_external_phy);
  5971. break;
  5972. }
  5973. }
  5974. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5975. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5976. vars->link_status, ext_phy_line_speed);
  5977. /*
  5978. * Upon link speed change set the NIG into drain mode. Comes to
  5979. * deals with possible FIFO glitch due to clk change when speed
  5980. * is decreased without link down indicator
  5981. */
  5982. if (vars->phy_link_up) {
  5983. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5984. (ext_phy_line_speed != vars->line_speed)) {
  5985. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5986. " different than the external"
  5987. " link speed %d\n", vars->line_speed,
  5988. ext_phy_line_speed);
  5989. vars->phy_link_up = 0;
  5990. } else if (prev_line_speed != vars->line_speed) {
  5991. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5992. 0);
  5993. msleep(1);
  5994. }
  5995. }
  5996. /* anything 10 and over uses the bmac */
  5997. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5998. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5999. /*
  6000. * In case external phy link is up, and internal link is down
  6001. * (not initialized yet probably after link initialization, it
  6002. * needs to be initialized.
  6003. * Note that after link down-up as result of cable plug, the xgxs
  6004. * link would probably become up again without the need
  6005. * initialize it
  6006. */
  6007. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6008. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6009. " init_preceding = %d\n", ext_phy_link_up,
  6010. vars->phy_link_up,
  6011. params->phy[EXT_PHY1].flags &
  6012. FLAGS_INIT_XGXS_FIRST);
  6013. if (!(params->phy[EXT_PHY1].flags &
  6014. FLAGS_INIT_XGXS_FIRST)
  6015. && ext_phy_link_up && !vars->phy_link_up) {
  6016. vars->line_speed = ext_phy_line_speed;
  6017. if (vars->line_speed < SPEED_1000)
  6018. vars->phy_flags |= PHY_SGMII_FLAG;
  6019. else
  6020. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6021. if (params->phy[INT_PHY].config_init)
  6022. params->phy[INT_PHY].config_init(
  6023. &params->phy[INT_PHY], params,
  6024. vars);
  6025. }
  6026. }
  6027. /*
  6028. * Link is up only if both local phy and external phy (in case of
  6029. * non-direct board) are up and no fault detected on active PHY.
  6030. */
  6031. vars->link_up = (vars->phy_link_up &&
  6032. (ext_phy_link_up ||
  6033. SINGLE_MEDIA_DIRECT(params)) &&
  6034. (phy_vars[active_external_phy].fault_detected == 0));
  6035. /* Update the PFC configuration in case it was changed */
  6036. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6037. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6038. else
  6039. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6040. if (vars->link_up)
  6041. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6042. else
  6043. rc = bnx2x_update_link_down(params, vars);
  6044. return rc;
  6045. }
  6046. /*****************************************************************************/
  6047. /* External Phy section */
  6048. /*****************************************************************************/
  6049. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6050. {
  6051. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6052. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6053. msleep(1);
  6054. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6055. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6056. }
  6057. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6058. u32 spirom_ver, u32 ver_addr)
  6059. {
  6060. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6061. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6062. if (ver_addr)
  6063. REG_WR(bp, ver_addr, spirom_ver);
  6064. }
  6065. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6066. struct bnx2x_phy *phy,
  6067. u8 port)
  6068. {
  6069. u16 fw_ver1, fw_ver2;
  6070. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6071. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6072. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6073. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6074. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6075. phy->ver_addr);
  6076. }
  6077. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6078. struct bnx2x_phy *phy,
  6079. struct link_vars *vars)
  6080. {
  6081. u16 val;
  6082. bnx2x_cl45_read(bp, phy,
  6083. MDIO_AN_DEVAD,
  6084. MDIO_AN_REG_STATUS, &val);
  6085. bnx2x_cl45_read(bp, phy,
  6086. MDIO_AN_DEVAD,
  6087. MDIO_AN_REG_STATUS, &val);
  6088. if (val & (1<<5))
  6089. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6090. if ((val & (1<<0)) == 0)
  6091. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6092. }
  6093. /******************************************************************/
  6094. /* common BCM8073/BCM8727 PHY SECTION */
  6095. /******************************************************************/
  6096. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6097. struct link_params *params,
  6098. struct link_vars *vars)
  6099. {
  6100. struct bnx2x *bp = params->bp;
  6101. if (phy->req_line_speed == SPEED_10 ||
  6102. phy->req_line_speed == SPEED_100) {
  6103. vars->flow_ctrl = phy->req_flow_ctrl;
  6104. return;
  6105. }
  6106. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6107. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6108. u16 pause_result;
  6109. u16 ld_pause; /* local */
  6110. u16 lp_pause; /* link partner */
  6111. bnx2x_cl45_read(bp, phy,
  6112. MDIO_AN_DEVAD,
  6113. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6114. bnx2x_cl45_read(bp, phy,
  6115. MDIO_AN_DEVAD,
  6116. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6117. pause_result = (ld_pause &
  6118. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6119. pause_result |= (lp_pause &
  6120. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6121. bnx2x_pause_resolve(vars, pause_result);
  6122. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6123. pause_result);
  6124. }
  6125. }
  6126. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6127. struct bnx2x_phy *phy,
  6128. u8 port)
  6129. {
  6130. u32 count = 0;
  6131. u16 fw_ver1, fw_msgout;
  6132. int rc = 0;
  6133. /* Boot port from external ROM */
  6134. /* EDC grst */
  6135. bnx2x_cl45_write(bp, phy,
  6136. MDIO_PMA_DEVAD,
  6137. MDIO_PMA_REG_GEN_CTRL,
  6138. 0x0001);
  6139. /* ucode reboot and rst */
  6140. bnx2x_cl45_write(bp, phy,
  6141. MDIO_PMA_DEVAD,
  6142. MDIO_PMA_REG_GEN_CTRL,
  6143. 0x008c);
  6144. bnx2x_cl45_write(bp, phy,
  6145. MDIO_PMA_DEVAD,
  6146. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6147. /* Reset internal microprocessor */
  6148. bnx2x_cl45_write(bp, phy,
  6149. MDIO_PMA_DEVAD,
  6150. MDIO_PMA_REG_GEN_CTRL,
  6151. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6152. /* Release srst bit */
  6153. bnx2x_cl45_write(bp, phy,
  6154. MDIO_PMA_DEVAD,
  6155. MDIO_PMA_REG_GEN_CTRL,
  6156. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6157. /* Delay 100ms per the PHY specifications */
  6158. msleep(100);
  6159. /* 8073 sometimes taking longer to download */
  6160. do {
  6161. count++;
  6162. if (count > 300) {
  6163. DP(NETIF_MSG_LINK,
  6164. "bnx2x_8073_8727_external_rom_boot port %x:"
  6165. "Download failed. fw version = 0x%x\n",
  6166. port, fw_ver1);
  6167. rc = -EINVAL;
  6168. break;
  6169. }
  6170. bnx2x_cl45_read(bp, phy,
  6171. MDIO_PMA_DEVAD,
  6172. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6173. bnx2x_cl45_read(bp, phy,
  6174. MDIO_PMA_DEVAD,
  6175. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6176. msleep(1);
  6177. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6178. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6179. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6180. /* Clear ser_boot_ctl bit */
  6181. bnx2x_cl45_write(bp, phy,
  6182. MDIO_PMA_DEVAD,
  6183. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6184. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6185. DP(NETIF_MSG_LINK,
  6186. "bnx2x_8073_8727_external_rom_boot port %x:"
  6187. "Download complete. fw version = 0x%x\n",
  6188. port, fw_ver1);
  6189. return rc;
  6190. }
  6191. /******************************************************************/
  6192. /* BCM8073 PHY SECTION */
  6193. /******************************************************************/
  6194. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6195. {
  6196. /* This is only required for 8073A1, version 102 only */
  6197. u16 val;
  6198. /* Read 8073 HW revision*/
  6199. bnx2x_cl45_read(bp, phy,
  6200. MDIO_PMA_DEVAD,
  6201. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6202. if (val != 1) {
  6203. /* No need to workaround in 8073 A1 */
  6204. return 0;
  6205. }
  6206. bnx2x_cl45_read(bp, phy,
  6207. MDIO_PMA_DEVAD,
  6208. MDIO_PMA_REG_ROM_VER2, &val);
  6209. /* SNR should be applied only for version 0x102 */
  6210. if (val != 0x102)
  6211. return 0;
  6212. return 1;
  6213. }
  6214. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6215. {
  6216. u16 val, cnt, cnt1 ;
  6217. bnx2x_cl45_read(bp, phy,
  6218. MDIO_PMA_DEVAD,
  6219. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6220. if (val > 0) {
  6221. /* No need to workaround in 8073 A1 */
  6222. return 0;
  6223. }
  6224. /* XAUI workaround in 8073 A0: */
  6225. /*
  6226. * After loading the boot ROM and restarting Autoneg, poll
  6227. * Dev1, Reg $C820:
  6228. */
  6229. for (cnt = 0; cnt < 1000; cnt++) {
  6230. bnx2x_cl45_read(bp, phy,
  6231. MDIO_PMA_DEVAD,
  6232. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6233. &val);
  6234. /*
  6235. * If bit [14] = 0 or bit [13] = 0, continue on with
  6236. * system initialization (XAUI work-around not required, as
  6237. * these bits indicate 2.5G or 1G link up).
  6238. */
  6239. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6240. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6241. return 0;
  6242. } else if (!(val & (1<<15))) {
  6243. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6244. /*
  6245. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6246. * MSB (bit15) goes to 1 (indicating that the XAUI
  6247. * workaround has completed), then continue on with
  6248. * system initialization.
  6249. */
  6250. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6251. bnx2x_cl45_read(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6254. if (val & (1<<15)) {
  6255. DP(NETIF_MSG_LINK,
  6256. "XAUI workaround has completed\n");
  6257. return 0;
  6258. }
  6259. msleep(3);
  6260. }
  6261. break;
  6262. }
  6263. msleep(3);
  6264. }
  6265. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6266. return -EINVAL;
  6267. }
  6268. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6269. {
  6270. /* Force KR or KX */
  6271. bnx2x_cl45_write(bp, phy,
  6272. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6273. bnx2x_cl45_write(bp, phy,
  6274. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6275. bnx2x_cl45_write(bp, phy,
  6276. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6277. bnx2x_cl45_write(bp, phy,
  6278. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6279. }
  6280. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6281. struct bnx2x_phy *phy,
  6282. struct link_vars *vars)
  6283. {
  6284. u16 cl37_val;
  6285. struct bnx2x *bp = params->bp;
  6286. bnx2x_cl45_read(bp, phy,
  6287. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6288. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6289. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6290. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6291. if ((vars->ieee_fc &
  6292. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6293. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6294. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6295. }
  6296. if ((vars->ieee_fc &
  6297. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6298. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6299. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6300. }
  6301. if ((vars->ieee_fc &
  6302. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6303. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6304. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6305. }
  6306. DP(NETIF_MSG_LINK,
  6307. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6308. bnx2x_cl45_write(bp, phy,
  6309. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6310. msleep(500);
  6311. }
  6312. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6313. struct link_params *params,
  6314. struct link_vars *vars)
  6315. {
  6316. struct bnx2x *bp = params->bp;
  6317. u16 val = 0, tmp1;
  6318. u8 gpio_port;
  6319. DP(NETIF_MSG_LINK, "Init 8073\n");
  6320. if (CHIP_IS_E2(bp))
  6321. gpio_port = BP_PATH(bp);
  6322. else
  6323. gpio_port = params->port;
  6324. /* Restore normal power mode*/
  6325. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6326. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6327. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6328. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6329. /* enable LASI */
  6330. bnx2x_cl45_write(bp, phy,
  6331. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6332. bnx2x_cl45_write(bp, phy,
  6333. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6334. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6335. bnx2x_cl45_read(bp, phy,
  6336. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6337. bnx2x_cl45_read(bp, phy,
  6338. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6339. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6340. /* Swap polarity if required - Must be done only in non-1G mode */
  6341. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6342. /* Configure the 8073 to swap _P and _N of the KR lines */
  6343. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6344. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6345. bnx2x_cl45_read(bp, phy,
  6346. MDIO_PMA_DEVAD,
  6347. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6348. bnx2x_cl45_write(bp, phy,
  6349. MDIO_PMA_DEVAD,
  6350. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6351. (val | (3<<9)));
  6352. }
  6353. /* Enable CL37 BAM */
  6354. if (REG_RD(bp, params->shmem_base +
  6355. offsetof(struct shmem_region, dev_info.
  6356. port_hw_config[params->port].default_cfg)) &
  6357. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6358. bnx2x_cl45_read(bp, phy,
  6359. MDIO_AN_DEVAD,
  6360. MDIO_AN_REG_8073_BAM, &val);
  6361. bnx2x_cl45_write(bp, phy,
  6362. MDIO_AN_DEVAD,
  6363. MDIO_AN_REG_8073_BAM, val | 1);
  6364. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6365. }
  6366. if (params->loopback_mode == LOOPBACK_EXT) {
  6367. bnx2x_807x_force_10G(bp, phy);
  6368. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6369. return 0;
  6370. } else {
  6371. bnx2x_cl45_write(bp, phy,
  6372. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6373. }
  6374. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6375. if (phy->req_line_speed == SPEED_10000) {
  6376. val = (1<<7);
  6377. } else if (phy->req_line_speed == SPEED_2500) {
  6378. val = (1<<5);
  6379. /*
  6380. * Note that 2.5G works only when used with 1G
  6381. * advertisement
  6382. */
  6383. } else
  6384. val = (1<<5);
  6385. } else {
  6386. val = 0;
  6387. if (phy->speed_cap_mask &
  6388. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6389. val |= (1<<7);
  6390. /* Note that 2.5G works only when used with 1G advertisement */
  6391. if (phy->speed_cap_mask &
  6392. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6393. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6394. val |= (1<<5);
  6395. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6396. }
  6397. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6398. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6399. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6400. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6401. (phy->req_line_speed == SPEED_2500)) {
  6402. u16 phy_ver;
  6403. /* Allow 2.5G for A1 and above */
  6404. bnx2x_cl45_read(bp, phy,
  6405. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6406. &phy_ver);
  6407. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6408. if (phy_ver > 0)
  6409. tmp1 |= 1;
  6410. else
  6411. tmp1 &= 0xfffe;
  6412. } else {
  6413. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6414. tmp1 &= 0xfffe;
  6415. }
  6416. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6417. /* Add support for CL37 (passive mode) II */
  6418. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6419. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6420. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6421. 0x20 : 0x40)));
  6422. /* Add support for CL37 (passive mode) III */
  6423. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6424. /*
  6425. * The SNR will improve about 2db by changing BW and FEE main
  6426. * tap. Rest commands are executed after link is up
  6427. * Change FFE main cursor to 5 in EDC register
  6428. */
  6429. if (bnx2x_8073_is_snr_needed(bp, phy))
  6430. bnx2x_cl45_write(bp, phy,
  6431. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6432. 0xFB0C);
  6433. /* Enable FEC (Forware Error Correction) Request in the AN */
  6434. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6435. tmp1 |= (1<<15);
  6436. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6437. bnx2x_ext_phy_set_pause(params, phy, vars);
  6438. /* Restart autoneg */
  6439. msleep(500);
  6440. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6441. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6442. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6443. return 0;
  6444. }
  6445. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6446. struct link_params *params,
  6447. struct link_vars *vars)
  6448. {
  6449. struct bnx2x *bp = params->bp;
  6450. u8 link_up = 0;
  6451. u16 val1, val2;
  6452. u16 link_status = 0;
  6453. u16 an1000_status = 0;
  6454. bnx2x_cl45_read(bp, phy,
  6455. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6456. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6457. /* clear the interrupt LASI status register */
  6458. bnx2x_cl45_read(bp, phy,
  6459. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6460. bnx2x_cl45_read(bp, phy,
  6461. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6462. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6463. /* Clear MSG-OUT */
  6464. bnx2x_cl45_read(bp, phy,
  6465. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6466. /* Check the LASI */
  6467. bnx2x_cl45_read(bp, phy,
  6468. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6469. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6470. /* Check the link status */
  6471. bnx2x_cl45_read(bp, phy,
  6472. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6473. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6474. bnx2x_cl45_read(bp, phy,
  6475. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6476. bnx2x_cl45_read(bp, phy,
  6477. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6478. link_up = ((val1 & 4) == 4);
  6479. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6480. if (link_up &&
  6481. ((phy->req_line_speed != SPEED_10000))) {
  6482. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6483. return 0;
  6484. }
  6485. bnx2x_cl45_read(bp, phy,
  6486. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6487. bnx2x_cl45_read(bp, phy,
  6488. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6489. /* Check the link status on 1.1.2 */
  6490. bnx2x_cl45_read(bp, phy,
  6491. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6492. bnx2x_cl45_read(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6494. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6495. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6496. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6497. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6498. /*
  6499. * The SNR will improve about 2dbby changing the BW and FEE main
  6500. * tap. The 1st write to change FFE main tap is set before
  6501. * restart AN. Change PLL Bandwidth in EDC register
  6502. */
  6503. bnx2x_cl45_write(bp, phy,
  6504. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6505. 0x26BC);
  6506. /* Change CDR Bandwidth in EDC register */
  6507. bnx2x_cl45_write(bp, phy,
  6508. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6509. 0x0333);
  6510. }
  6511. bnx2x_cl45_read(bp, phy,
  6512. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6513. &link_status);
  6514. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6515. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6516. link_up = 1;
  6517. vars->line_speed = SPEED_10000;
  6518. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6519. params->port);
  6520. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6521. link_up = 1;
  6522. vars->line_speed = SPEED_2500;
  6523. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6524. params->port);
  6525. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6526. link_up = 1;
  6527. vars->line_speed = SPEED_1000;
  6528. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6529. params->port);
  6530. } else {
  6531. link_up = 0;
  6532. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6533. params->port);
  6534. }
  6535. if (link_up) {
  6536. /* Swap polarity if required */
  6537. if (params->lane_config &
  6538. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6539. /* Configure the 8073 to swap P and N of the KR lines */
  6540. bnx2x_cl45_read(bp, phy,
  6541. MDIO_XS_DEVAD,
  6542. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6543. /*
  6544. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6545. * when it`s in 10G mode.
  6546. */
  6547. if (vars->line_speed == SPEED_1000) {
  6548. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6549. "the 8073\n");
  6550. val1 |= (1<<3);
  6551. } else
  6552. val1 &= ~(1<<3);
  6553. bnx2x_cl45_write(bp, phy,
  6554. MDIO_XS_DEVAD,
  6555. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6556. val1);
  6557. }
  6558. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6559. bnx2x_8073_resolve_fc(phy, params, vars);
  6560. vars->duplex = DUPLEX_FULL;
  6561. }
  6562. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6563. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6564. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6565. if (val1 & (1<<5))
  6566. vars->link_status |=
  6567. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6568. if (val1 & (1<<7))
  6569. vars->link_status |=
  6570. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6571. }
  6572. return link_up;
  6573. }
  6574. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6575. struct link_params *params)
  6576. {
  6577. struct bnx2x *bp = params->bp;
  6578. u8 gpio_port;
  6579. if (CHIP_IS_E2(bp))
  6580. gpio_port = BP_PATH(bp);
  6581. else
  6582. gpio_port = params->port;
  6583. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6584. gpio_port);
  6585. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6586. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6587. gpio_port);
  6588. }
  6589. /******************************************************************/
  6590. /* BCM8705 PHY SECTION */
  6591. /******************************************************************/
  6592. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6593. struct link_params *params,
  6594. struct link_vars *vars)
  6595. {
  6596. struct bnx2x *bp = params->bp;
  6597. DP(NETIF_MSG_LINK, "init 8705\n");
  6598. /* Restore normal power mode*/
  6599. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6600. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6601. /* HW reset */
  6602. bnx2x_ext_phy_hw_reset(bp, params->port);
  6603. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6604. bnx2x_wait_reset_complete(bp, phy, params);
  6605. bnx2x_cl45_write(bp, phy,
  6606. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6607. bnx2x_cl45_write(bp, phy,
  6608. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6609. bnx2x_cl45_write(bp, phy,
  6610. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6611. bnx2x_cl45_write(bp, phy,
  6612. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6613. /* BCM8705 doesn't have microcode, hence the 0 */
  6614. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6615. return 0;
  6616. }
  6617. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6618. struct link_params *params,
  6619. struct link_vars *vars)
  6620. {
  6621. u8 link_up = 0;
  6622. u16 val1, rx_sd;
  6623. struct bnx2x *bp = params->bp;
  6624. DP(NETIF_MSG_LINK, "read status 8705\n");
  6625. bnx2x_cl45_read(bp, phy,
  6626. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6627. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6628. bnx2x_cl45_read(bp, phy,
  6629. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6630. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6631. bnx2x_cl45_read(bp, phy,
  6632. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6633. bnx2x_cl45_read(bp, phy,
  6634. MDIO_PMA_DEVAD, 0xc809, &val1);
  6635. bnx2x_cl45_read(bp, phy,
  6636. MDIO_PMA_DEVAD, 0xc809, &val1);
  6637. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6638. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6639. if (link_up) {
  6640. vars->line_speed = SPEED_10000;
  6641. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6642. }
  6643. return link_up;
  6644. }
  6645. /******************************************************************/
  6646. /* SFP+ module Section */
  6647. /******************************************************************/
  6648. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6649. struct bnx2x_phy *phy,
  6650. u8 pmd_dis)
  6651. {
  6652. struct bnx2x *bp = params->bp;
  6653. /*
  6654. * Disable transmitter only for bootcodes which can enable it afterwards
  6655. * (for D3 link)
  6656. */
  6657. if (pmd_dis) {
  6658. if (params->feature_config_flags &
  6659. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6660. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6661. else {
  6662. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6663. return;
  6664. }
  6665. } else
  6666. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6667. bnx2x_cl45_write(bp, phy,
  6668. MDIO_PMA_DEVAD,
  6669. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6670. }
  6671. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6672. {
  6673. u8 gpio_port;
  6674. u32 swap_val, swap_override;
  6675. struct bnx2x *bp = params->bp;
  6676. if (CHIP_IS_E2(bp))
  6677. gpio_port = BP_PATH(bp);
  6678. else
  6679. gpio_port = params->port;
  6680. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6681. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6682. return gpio_port ^ (swap_val && swap_override);
  6683. }
  6684. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6685. struct bnx2x_phy *phy,
  6686. u8 tx_en)
  6687. {
  6688. u16 val;
  6689. u8 port = params->port;
  6690. struct bnx2x *bp = params->bp;
  6691. u32 tx_en_mode;
  6692. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6693. tx_en_mode = REG_RD(bp, params->shmem_base +
  6694. offsetof(struct shmem_region,
  6695. dev_info.port_hw_config[port].sfp_ctrl)) &
  6696. PORT_HW_CFG_TX_LASER_MASK;
  6697. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6698. "mode = %x\n", tx_en, port, tx_en_mode);
  6699. switch (tx_en_mode) {
  6700. case PORT_HW_CFG_TX_LASER_MDIO:
  6701. bnx2x_cl45_read(bp, phy,
  6702. MDIO_PMA_DEVAD,
  6703. MDIO_PMA_REG_PHY_IDENTIFIER,
  6704. &val);
  6705. if (tx_en)
  6706. val &= ~(1<<15);
  6707. else
  6708. val |= (1<<15);
  6709. bnx2x_cl45_write(bp, phy,
  6710. MDIO_PMA_DEVAD,
  6711. MDIO_PMA_REG_PHY_IDENTIFIER,
  6712. val);
  6713. break;
  6714. case PORT_HW_CFG_TX_LASER_GPIO0:
  6715. case PORT_HW_CFG_TX_LASER_GPIO1:
  6716. case PORT_HW_CFG_TX_LASER_GPIO2:
  6717. case PORT_HW_CFG_TX_LASER_GPIO3:
  6718. {
  6719. u16 gpio_pin;
  6720. u8 gpio_port, gpio_mode;
  6721. if (tx_en)
  6722. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6723. else
  6724. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6725. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6726. gpio_port = bnx2x_get_gpio_port(params);
  6727. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6728. break;
  6729. }
  6730. default:
  6731. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6732. break;
  6733. }
  6734. }
  6735. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6736. struct bnx2x_phy *phy,
  6737. u8 tx_en)
  6738. {
  6739. struct bnx2x *bp = params->bp;
  6740. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6741. if (CHIP_IS_E3(bp))
  6742. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6743. else
  6744. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6745. }
  6746. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6747. struct link_params *params,
  6748. u16 addr, u8 byte_cnt, u8 *o_buf)
  6749. {
  6750. struct bnx2x *bp = params->bp;
  6751. u16 val = 0;
  6752. u16 i;
  6753. if (byte_cnt > 16) {
  6754. DP(NETIF_MSG_LINK,
  6755. "Reading from eeprom is limited to 0xf\n");
  6756. return -EINVAL;
  6757. }
  6758. /* Set the read command byte count */
  6759. bnx2x_cl45_write(bp, phy,
  6760. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6761. (byte_cnt | 0xa000));
  6762. /* Set the read command address */
  6763. bnx2x_cl45_write(bp, phy,
  6764. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6765. addr);
  6766. /* Activate read command */
  6767. bnx2x_cl45_write(bp, phy,
  6768. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6769. 0x2c0f);
  6770. /* Wait up to 500us for command complete status */
  6771. for (i = 0; i < 100; i++) {
  6772. bnx2x_cl45_read(bp, phy,
  6773. MDIO_PMA_DEVAD,
  6774. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6775. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6776. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6777. break;
  6778. udelay(5);
  6779. }
  6780. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6781. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6782. DP(NETIF_MSG_LINK,
  6783. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6784. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6785. return -EINVAL;
  6786. }
  6787. /* Read the buffer */
  6788. for (i = 0; i < byte_cnt; i++) {
  6789. bnx2x_cl45_read(bp, phy,
  6790. MDIO_PMA_DEVAD,
  6791. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6792. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6793. }
  6794. for (i = 0; i < 100; i++) {
  6795. bnx2x_cl45_read(bp, phy,
  6796. MDIO_PMA_DEVAD,
  6797. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6798. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6799. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6800. return 0;
  6801. msleep(1);
  6802. }
  6803. return -EINVAL;
  6804. }
  6805. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6806. struct link_params *params,
  6807. u16 addr, u8 byte_cnt,
  6808. u8 *o_buf)
  6809. {
  6810. int rc = 0;
  6811. u8 i, j = 0, cnt = 0;
  6812. u32 data_array[4];
  6813. u16 addr32;
  6814. struct bnx2x *bp = params->bp;
  6815. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6816. " addr %d, cnt %d\n",
  6817. addr, byte_cnt);*/
  6818. if (byte_cnt > 16) {
  6819. DP(NETIF_MSG_LINK,
  6820. "Reading from eeprom is limited to 16 bytes\n");
  6821. return -EINVAL;
  6822. }
  6823. /* 4 byte aligned address */
  6824. addr32 = addr & (~0x3);
  6825. do {
  6826. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6827. data_array);
  6828. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6829. if (rc == 0) {
  6830. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6831. o_buf[j] = *((u8 *)data_array + i);
  6832. j++;
  6833. }
  6834. }
  6835. return rc;
  6836. }
  6837. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6838. struct link_params *params,
  6839. u16 addr, u8 byte_cnt, u8 *o_buf)
  6840. {
  6841. struct bnx2x *bp = params->bp;
  6842. u16 val, i;
  6843. if (byte_cnt > 16) {
  6844. DP(NETIF_MSG_LINK,
  6845. "Reading from eeprom is limited to 0xf\n");
  6846. return -EINVAL;
  6847. }
  6848. /* Need to read from 1.8000 to clear it */
  6849. bnx2x_cl45_read(bp, phy,
  6850. MDIO_PMA_DEVAD,
  6851. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6852. &val);
  6853. /* Set the read command byte count */
  6854. bnx2x_cl45_write(bp, phy,
  6855. MDIO_PMA_DEVAD,
  6856. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6857. ((byte_cnt < 2) ? 2 : byte_cnt));
  6858. /* Set the read command address */
  6859. bnx2x_cl45_write(bp, phy,
  6860. MDIO_PMA_DEVAD,
  6861. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6862. addr);
  6863. /* Set the destination address */
  6864. bnx2x_cl45_write(bp, phy,
  6865. MDIO_PMA_DEVAD,
  6866. 0x8004,
  6867. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6868. /* Activate read command */
  6869. bnx2x_cl45_write(bp, phy,
  6870. MDIO_PMA_DEVAD,
  6871. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6872. 0x8002);
  6873. /*
  6874. * Wait appropriate time for two-wire command to finish before
  6875. * polling the status register
  6876. */
  6877. msleep(1);
  6878. /* Wait up to 500us for command complete status */
  6879. for (i = 0; i < 100; i++) {
  6880. bnx2x_cl45_read(bp, phy,
  6881. MDIO_PMA_DEVAD,
  6882. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6883. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6884. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6885. break;
  6886. udelay(5);
  6887. }
  6888. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6889. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6890. DP(NETIF_MSG_LINK,
  6891. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6892. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6893. return -EFAULT;
  6894. }
  6895. /* Read the buffer */
  6896. for (i = 0; i < byte_cnt; i++) {
  6897. bnx2x_cl45_read(bp, phy,
  6898. MDIO_PMA_DEVAD,
  6899. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6900. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6901. }
  6902. for (i = 0; i < 100; i++) {
  6903. bnx2x_cl45_read(bp, phy,
  6904. MDIO_PMA_DEVAD,
  6905. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6906. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6907. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6908. return 0;
  6909. msleep(1);
  6910. }
  6911. return -EINVAL;
  6912. }
  6913. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6914. struct link_params *params, u16 addr,
  6915. u8 byte_cnt, u8 *o_buf)
  6916. {
  6917. int rc = -EINVAL;
  6918. switch (phy->type) {
  6919. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6920. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6921. byte_cnt, o_buf);
  6922. break;
  6923. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6924. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6925. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6926. byte_cnt, o_buf);
  6927. break;
  6928. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6929. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6930. byte_cnt, o_buf);
  6931. break;
  6932. }
  6933. return rc;
  6934. }
  6935. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6936. struct link_params *params,
  6937. u16 *edc_mode)
  6938. {
  6939. struct bnx2x *bp = params->bp;
  6940. u32 sync_offset = 0, phy_idx, media_types;
  6941. u8 val, check_limiting_mode = 0;
  6942. *edc_mode = EDC_MODE_LIMITING;
  6943. phy->media_type = ETH_PHY_UNSPECIFIED;
  6944. /* First check for copper cable */
  6945. if (bnx2x_read_sfp_module_eeprom(phy,
  6946. params,
  6947. SFP_EEPROM_CON_TYPE_ADDR,
  6948. 1,
  6949. &val) != 0) {
  6950. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6951. return -EINVAL;
  6952. }
  6953. switch (val) {
  6954. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6955. {
  6956. u8 copper_module_type;
  6957. phy->media_type = ETH_PHY_DA_TWINAX;
  6958. /*
  6959. * Check if its active cable (includes SFP+ module)
  6960. * of passive cable
  6961. */
  6962. if (bnx2x_read_sfp_module_eeprom(phy,
  6963. params,
  6964. SFP_EEPROM_FC_TX_TECH_ADDR,
  6965. 1,
  6966. &copper_module_type) != 0) {
  6967. DP(NETIF_MSG_LINK,
  6968. "Failed to read copper-cable-type"
  6969. " from SFP+ EEPROM\n");
  6970. return -EINVAL;
  6971. }
  6972. if (copper_module_type &
  6973. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6974. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6975. check_limiting_mode = 1;
  6976. } else if (copper_module_type &
  6977. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6978. DP(NETIF_MSG_LINK,
  6979. "Passive Copper cable detected\n");
  6980. *edc_mode =
  6981. EDC_MODE_PASSIVE_DAC;
  6982. } else {
  6983. DP(NETIF_MSG_LINK,
  6984. "Unknown copper-cable-type 0x%x !!!\n",
  6985. copper_module_type);
  6986. return -EINVAL;
  6987. }
  6988. break;
  6989. }
  6990. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6991. phy->media_type = ETH_PHY_SFP_FIBER;
  6992. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6993. check_limiting_mode = 1;
  6994. break;
  6995. default:
  6996. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6997. val);
  6998. return -EINVAL;
  6999. }
  7000. sync_offset = params->shmem_base +
  7001. offsetof(struct shmem_region,
  7002. dev_info.port_hw_config[params->port].media_type);
  7003. media_types = REG_RD(bp, sync_offset);
  7004. /* Update media type for non-PMF sync */
  7005. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7006. if (&(params->phy[phy_idx]) == phy) {
  7007. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7008. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7009. media_types |= ((phy->media_type &
  7010. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7011. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7012. break;
  7013. }
  7014. }
  7015. REG_WR(bp, sync_offset, media_types);
  7016. if (check_limiting_mode) {
  7017. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7018. if (bnx2x_read_sfp_module_eeprom(phy,
  7019. params,
  7020. SFP_EEPROM_OPTIONS_ADDR,
  7021. SFP_EEPROM_OPTIONS_SIZE,
  7022. options) != 0) {
  7023. DP(NETIF_MSG_LINK,
  7024. "Failed to read Option field from module EEPROM\n");
  7025. return -EINVAL;
  7026. }
  7027. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7028. *edc_mode = EDC_MODE_LINEAR;
  7029. else
  7030. *edc_mode = EDC_MODE_LIMITING;
  7031. }
  7032. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7033. return 0;
  7034. }
  7035. /*
  7036. * This function read the relevant field from the module (SFP+), and verify it
  7037. * is compliant with this board
  7038. */
  7039. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7040. struct link_params *params)
  7041. {
  7042. struct bnx2x *bp = params->bp;
  7043. u32 val, cmd;
  7044. u32 fw_resp, fw_cmd_param;
  7045. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7046. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7047. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7048. val = REG_RD(bp, params->shmem_base +
  7049. offsetof(struct shmem_region, dev_info.
  7050. port_feature_config[params->port].config));
  7051. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7052. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7053. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7054. return 0;
  7055. }
  7056. if (params->feature_config_flags &
  7057. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7058. /* Use specific phy request */
  7059. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7060. } else if (params->feature_config_flags &
  7061. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7062. /* Use first phy request only in case of non-dual media*/
  7063. if (DUAL_MEDIA(params)) {
  7064. DP(NETIF_MSG_LINK,
  7065. "FW does not support OPT MDL verification\n");
  7066. return -EINVAL;
  7067. }
  7068. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7069. } else {
  7070. /* No support in OPT MDL detection */
  7071. DP(NETIF_MSG_LINK,
  7072. "FW does not support OPT MDL verification\n");
  7073. return -EINVAL;
  7074. }
  7075. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7076. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7077. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7078. DP(NETIF_MSG_LINK, "Approved module\n");
  7079. return 0;
  7080. }
  7081. /* format the warning message */
  7082. if (bnx2x_read_sfp_module_eeprom(phy,
  7083. params,
  7084. SFP_EEPROM_VENDOR_NAME_ADDR,
  7085. SFP_EEPROM_VENDOR_NAME_SIZE,
  7086. (u8 *)vendor_name))
  7087. vendor_name[0] = '\0';
  7088. else
  7089. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7090. if (bnx2x_read_sfp_module_eeprom(phy,
  7091. params,
  7092. SFP_EEPROM_PART_NO_ADDR,
  7093. SFP_EEPROM_PART_NO_SIZE,
  7094. (u8 *)vendor_pn))
  7095. vendor_pn[0] = '\0';
  7096. else
  7097. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7098. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7099. " Port %d from %s part number %s\n",
  7100. params->port, vendor_name, vendor_pn);
  7101. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7102. return -EINVAL;
  7103. }
  7104. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7105. struct link_params *params)
  7106. {
  7107. u8 val;
  7108. struct bnx2x *bp = params->bp;
  7109. u16 timeout;
  7110. /*
  7111. * Initialization time after hot-plug may take up to 300ms for
  7112. * some phys type ( e.g. JDSU )
  7113. */
  7114. for (timeout = 0; timeout < 60; timeout++) {
  7115. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7116. == 0) {
  7117. DP(NETIF_MSG_LINK,
  7118. "SFP+ module initialization took %d ms\n",
  7119. timeout * 5);
  7120. return 0;
  7121. }
  7122. msleep(5);
  7123. }
  7124. return -EINVAL;
  7125. }
  7126. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7127. struct bnx2x_phy *phy,
  7128. u8 is_power_up) {
  7129. /* Make sure GPIOs are not using for LED mode */
  7130. u16 val;
  7131. /*
  7132. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7133. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7134. * output
  7135. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7136. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7137. * where the 1st bit is the over-current(only input), and 2nd bit is
  7138. * for power( only output )
  7139. *
  7140. * In case of NOC feature is disabled and power is up, set GPIO control
  7141. * as input to enable listening of over-current indication
  7142. */
  7143. if (phy->flags & FLAGS_NOC)
  7144. return;
  7145. if (is_power_up)
  7146. val = (1<<4);
  7147. else
  7148. /*
  7149. * Set GPIO control to OUTPUT, and set the power bit
  7150. * to according to the is_power_up
  7151. */
  7152. val = (1<<1);
  7153. bnx2x_cl45_write(bp, phy,
  7154. MDIO_PMA_DEVAD,
  7155. MDIO_PMA_REG_8727_GPIO_CTRL,
  7156. val);
  7157. }
  7158. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7159. struct bnx2x_phy *phy,
  7160. u16 edc_mode)
  7161. {
  7162. u16 cur_limiting_mode;
  7163. bnx2x_cl45_read(bp, phy,
  7164. MDIO_PMA_DEVAD,
  7165. MDIO_PMA_REG_ROM_VER2,
  7166. &cur_limiting_mode);
  7167. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7168. cur_limiting_mode);
  7169. if (edc_mode == EDC_MODE_LIMITING) {
  7170. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7171. bnx2x_cl45_write(bp, phy,
  7172. MDIO_PMA_DEVAD,
  7173. MDIO_PMA_REG_ROM_VER2,
  7174. EDC_MODE_LIMITING);
  7175. } else { /* LRM mode ( default )*/
  7176. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7177. /*
  7178. * Changing to LRM mode takes quite few seconds. So do it only
  7179. * if current mode is limiting (default is LRM)
  7180. */
  7181. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7182. return 0;
  7183. bnx2x_cl45_write(bp, phy,
  7184. MDIO_PMA_DEVAD,
  7185. MDIO_PMA_REG_LRM_MODE,
  7186. 0);
  7187. bnx2x_cl45_write(bp, phy,
  7188. MDIO_PMA_DEVAD,
  7189. MDIO_PMA_REG_ROM_VER2,
  7190. 0x128);
  7191. bnx2x_cl45_write(bp, phy,
  7192. MDIO_PMA_DEVAD,
  7193. MDIO_PMA_REG_MISC_CTRL0,
  7194. 0x4008);
  7195. bnx2x_cl45_write(bp, phy,
  7196. MDIO_PMA_DEVAD,
  7197. MDIO_PMA_REG_LRM_MODE,
  7198. 0xaaaa);
  7199. }
  7200. return 0;
  7201. }
  7202. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7203. struct bnx2x_phy *phy,
  7204. u16 edc_mode)
  7205. {
  7206. u16 phy_identifier;
  7207. u16 rom_ver2_val;
  7208. bnx2x_cl45_read(bp, phy,
  7209. MDIO_PMA_DEVAD,
  7210. MDIO_PMA_REG_PHY_IDENTIFIER,
  7211. &phy_identifier);
  7212. bnx2x_cl45_write(bp, phy,
  7213. MDIO_PMA_DEVAD,
  7214. MDIO_PMA_REG_PHY_IDENTIFIER,
  7215. (phy_identifier & ~(1<<9)));
  7216. bnx2x_cl45_read(bp, phy,
  7217. MDIO_PMA_DEVAD,
  7218. MDIO_PMA_REG_ROM_VER2,
  7219. &rom_ver2_val);
  7220. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7221. bnx2x_cl45_write(bp, phy,
  7222. MDIO_PMA_DEVAD,
  7223. MDIO_PMA_REG_ROM_VER2,
  7224. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7225. bnx2x_cl45_write(bp, phy,
  7226. MDIO_PMA_DEVAD,
  7227. MDIO_PMA_REG_PHY_IDENTIFIER,
  7228. (phy_identifier | (1<<9)));
  7229. return 0;
  7230. }
  7231. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7232. struct link_params *params,
  7233. u32 action)
  7234. {
  7235. struct bnx2x *bp = params->bp;
  7236. switch (action) {
  7237. case DISABLE_TX:
  7238. bnx2x_sfp_set_transmitter(params, phy, 0);
  7239. break;
  7240. case ENABLE_TX:
  7241. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7242. bnx2x_sfp_set_transmitter(params, phy, 1);
  7243. break;
  7244. default:
  7245. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7246. action);
  7247. return;
  7248. }
  7249. }
  7250. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7251. u8 gpio_mode)
  7252. {
  7253. struct bnx2x *bp = params->bp;
  7254. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7255. offsetof(struct shmem_region,
  7256. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7257. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7258. switch (fault_led_gpio) {
  7259. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7260. return;
  7261. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7262. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7263. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7264. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7265. {
  7266. u8 gpio_port = bnx2x_get_gpio_port(params);
  7267. u16 gpio_pin = fault_led_gpio -
  7268. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7269. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7270. "pin %x port %x mode %x\n",
  7271. gpio_pin, gpio_port, gpio_mode);
  7272. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7273. }
  7274. break;
  7275. default:
  7276. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7277. fault_led_gpio);
  7278. }
  7279. }
  7280. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7281. u8 gpio_mode)
  7282. {
  7283. u32 pin_cfg;
  7284. u8 port = params->port;
  7285. struct bnx2x *bp = params->bp;
  7286. pin_cfg = (REG_RD(bp, params->shmem_base +
  7287. offsetof(struct shmem_region,
  7288. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7289. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7290. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7291. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7292. gpio_mode, pin_cfg);
  7293. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7294. }
  7295. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7296. u8 gpio_mode)
  7297. {
  7298. struct bnx2x *bp = params->bp;
  7299. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7300. if (CHIP_IS_E3(bp)) {
  7301. /*
  7302. * Low ==> if SFP+ module is supported otherwise
  7303. * High ==> if SFP+ module is not on the approved vendor list
  7304. */
  7305. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7306. } else
  7307. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7308. }
  7309. static void bnx2x_warpcore_power_module(struct link_params *params,
  7310. struct bnx2x_phy *phy,
  7311. u8 power)
  7312. {
  7313. u32 pin_cfg;
  7314. struct bnx2x *bp = params->bp;
  7315. pin_cfg = (REG_RD(bp, params->shmem_base +
  7316. offsetof(struct shmem_region,
  7317. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7318. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7319. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7320. if (pin_cfg == PIN_CFG_NA)
  7321. return;
  7322. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7323. power, pin_cfg);
  7324. /*
  7325. * Low ==> corresponding SFP+ module is powered
  7326. * high ==> the SFP+ module is powered down
  7327. */
  7328. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7329. }
  7330. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7331. struct link_params *params)
  7332. {
  7333. struct bnx2x *bp = params->bp;
  7334. bnx2x_warpcore_power_module(params, phy, 0);
  7335. /* Put Warpcore in low power mode */
  7336. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7337. /* Put LCPLL in low power mode */
  7338. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7339. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7340. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7341. }
  7342. static void bnx2x_power_sfp_module(struct link_params *params,
  7343. struct bnx2x_phy *phy,
  7344. u8 power)
  7345. {
  7346. struct bnx2x *bp = params->bp;
  7347. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7348. switch (phy->type) {
  7349. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7350. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7351. bnx2x_8727_power_module(params->bp, phy, power);
  7352. break;
  7353. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7354. bnx2x_warpcore_power_module(params, phy, power);
  7355. break;
  7356. default:
  7357. break;
  7358. }
  7359. }
  7360. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7361. struct bnx2x_phy *phy,
  7362. u16 edc_mode)
  7363. {
  7364. u16 val = 0;
  7365. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7366. struct bnx2x *bp = params->bp;
  7367. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7368. /* This is a global register which controls all lanes */
  7369. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7370. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7371. val &= ~(0xf << (lane << 2));
  7372. switch (edc_mode) {
  7373. case EDC_MODE_LINEAR:
  7374. case EDC_MODE_LIMITING:
  7375. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7376. break;
  7377. case EDC_MODE_PASSIVE_DAC:
  7378. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7379. break;
  7380. default:
  7381. break;
  7382. }
  7383. val |= (mode << (lane << 2));
  7384. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7385. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7386. /* A must read */
  7387. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7388. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7389. /* Restart microcode to re-read the new mode */
  7390. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7391. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7392. }
  7393. static void bnx2x_set_limiting_mode(struct link_params *params,
  7394. struct bnx2x_phy *phy,
  7395. u16 edc_mode)
  7396. {
  7397. switch (phy->type) {
  7398. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7399. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7400. break;
  7401. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7402. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7403. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7404. break;
  7405. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7406. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7407. break;
  7408. }
  7409. }
  7410. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7411. struct link_params *params)
  7412. {
  7413. struct bnx2x *bp = params->bp;
  7414. u16 edc_mode;
  7415. int rc = 0;
  7416. u32 val = REG_RD(bp, params->shmem_base +
  7417. offsetof(struct shmem_region, dev_info.
  7418. port_feature_config[params->port].config));
  7419. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7420. params->port);
  7421. /* Power up module */
  7422. bnx2x_power_sfp_module(params, phy, 1);
  7423. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7424. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7425. return -EINVAL;
  7426. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7427. /* check SFP+ module compatibility */
  7428. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7429. rc = -EINVAL;
  7430. /* Turn on fault module-detected led */
  7431. bnx2x_set_sfp_module_fault_led(params,
  7432. MISC_REGISTERS_GPIO_HIGH);
  7433. /* Check if need to power down the SFP+ module */
  7434. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7435. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7436. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7437. bnx2x_power_sfp_module(params, phy, 0);
  7438. return rc;
  7439. }
  7440. } else {
  7441. /* Turn off fault module-detected led */
  7442. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7443. }
  7444. /*
  7445. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7446. * is done automatically
  7447. */
  7448. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7449. /*
  7450. * Enable transmit for this module if the module is approved, or
  7451. * if unapproved modules should also enable the Tx laser
  7452. */
  7453. if (rc == 0 ||
  7454. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7455. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7456. bnx2x_sfp_set_transmitter(params, phy, 1);
  7457. else
  7458. bnx2x_sfp_set_transmitter(params, phy, 0);
  7459. return rc;
  7460. }
  7461. void bnx2x_handle_module_detect_int(struct link_params *params)
  7462. {
  7463. struct bnx2x *bp = params->bp;
  7464. struct bnx2x_phy *phy;
  7465. u32 gpio_val;
  7466. u8 gpio_num, gpio_port;
  7467. if (CHIP_IS_E3(bp))
  7468. phy = &params->phy[INT_PHY];
  7469. else
  7470. phy = &params->phy[EXT_PHY1];
  7471. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7472. params->port, &gpio_num, &gpio_port) ==
  7473. -EINVAL) {
  7474. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7475. return;
  7476. }
  7477. /* Set valid module led off */
  7478. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7479. /* Get current gpio val reflecting module plugged in / out*/
  7480. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7481. /* Call the handling function in case module is detected */
  7482. if (gpio_val == 0) {
  7483. bnx2x_power_sfp_module(params, phy, 1);
  7484. bnx2x_set_gpio_int(bp, gpio_num,
  7485. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7486. gpio_port);
  7487. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7488. bnx2x_sfp_module_detection(phy, params);
  7489. else
  7490. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7491. } else {
  7492. u32 val = REG_RD(bp, params->shmem_base +
  7493. offsetof(struct shmem_region, dev_info.
  7494. port_feature_config[params->port].
  7495. config));
  7496. bnx2x_set_gpio_int(bp, gpio_num,
  7497. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7498. gpio_port);
  7499. /*
  7500. * Module was plugged out.
  7501. * Disable transmit for this module
  7502. */
  7503. phy->media_type = ETH_PHY_NOT_PRESENT;
  7504. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7505. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7506. CHIP_IS_E3(bp))
  7507. bnx2x_sfp_set_transmitter(params, phy, 0);
  7508. }
  7509. }
  7510. /******************************************************************/
  7511. /* Used by 8706 and 8727 */
  7512. /******************************************************************/
  7513. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7514. struct bnx2x_phy *phy,
  7515. u16 alarm_status_offset,
  7516. u16 alarm_ctrl_offset)
  7517. {
  7518. u16 alarm_status, val;
  7519. bnx2x_cl45_read(bp, phy,
  7520. MDIO_PMA_DEVAD, alarm_status_offset,
  7521. &alarm_status);
  7522. bnx2x_cl45_read(bp, phy,
  7523. MDIO_PMA_DEVAD, alarm_status_offset,
  7524. &alarm_status);
  7525. /* Mask or enable the fault event. */
  7526. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7527. if (alarm_status & (1<<0))
  7528. val &= ~(1<<0);
  7529. else
  7530. val |= (1<<0);
  7531. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7532. }
  7533. /******************************************************************/
  7534. /* common BCM8706/BCM8726 PHY SECTION */
  7535. /******************************************************************/
  7536. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7537. struct link_params *params,
  7538. struct link_vars *vars)
  7539. {
  7540. u8 link_up = 0;
  7541. u16 val1, val2, rx_sd, pcs_status;
  7542. struct bnx2x *bp = params->bp;
  7543. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7544. /* Clear RX Alarm*/
  7545. bnx2x_cl45_read(bp, phy,
  7546. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7547. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7548. MDIO_PMA_LASI_TXCTRL);
  7549. /* clear LASI indication*/
  7550. bnx2x_cl45_read(bp, phy,
  7551. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7552. bnx2x_cl45_read(bp, phy,
  7553. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7554. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7555. bnx2x_cl45_read(bp, phy,
  7556. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7557. bnx2x_cl45_read(bp, phy,
  7558. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7559. bnx2x_cl45_read(bp, phy,
  7560. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7561. bnx2x_cl45_read(bp, phy,
  7562. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7563. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7564. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7565. /*
  7566. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7567. * are set, or if the autoneg bit 1 is set
  7568. */
  7569. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7570. if (link_up) {
  7571. if (val2 & (1<<1))
  7572. vars->line_speed = SPEED_1000;
  7573. else
  7574. vars->line_speed = SPEED_10000;
  7575. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7576. vars->duplex = DUPLEX_FULL;
  7577. }
  7578. /* Capture 10G link fault. Read twice to clear stale value. */
  7579. if (vars->line_speed == SPEED_10000) {
  7580. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7581. MDIO_PMA_LASI_TXSTAT, &val1);
  7582. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7583. MDIO_PMA_LASI_TXSTAT, &val1);
  7584. if (val1 & (1<<0))
  7585. vars->fault_detected = 1;
  7586. }
  7587. return link_up;
  7588. }
  7589. /******************************************************************/
  7590. /* BCM8706 PHY SECTION */
  7591. /******************************************************************/
  7592. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7593. struct link_params *params,
  7594. struct link_vars *vars)
  7595. {
  7596. u32 tx_en_mode;
  7597. u16 cnt, val, tmp1;
  7598. struct bnx2x *bp = params->bp;
  7599. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7600. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7601. /* HW reset */
  7602. bnx2x_ext_phy_hw_reset(bp, params->port);
  7603. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7604. bnx2x_wait_reset_complete(bp, phy, params);
  7605. /* Wait until fw is loaded */
  7606. for (cnt = 0; cnt < 100; cnt++) {
  7607. bnx2x_cl45_read(bp, phy,
  7608. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7609. if (val)
  7610. break;
  7611. msleep(10);
  7612. }
  7613. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7614. if ((params->feature_config_flags &
  7615. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7616. u8 i;
  7617. u16 reg;
  7618. for (i = 0; i < 4; i++) {
  7619. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7620. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7621. MDIO_XS_8706_REG_BANK_RX0);
  7622. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7623. /* Clear first 3 bits of the control */
  7624. val &= ~0x7;
  7625. /* Set control bits according to configuration */
  7626. val |= (phy->rx_preemphasis[i] & 0x7);
  7627. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7628. " reg 0x%x <-- val 0x%x\n", reg, val);
  7629. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7630. }
  7631. }
  7632. /* Force speed */
  7633. if (phy->req_line_speed == SPEED_10000) {
  7634. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7635. bnx2x_cl45_write(bp, phy,
  7636. MDIO_PMA_DEVAD,
  7637. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7638. bnx2x_cl45_write(bp, phy,
  7639. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7640. 0);
  7641. /* Arm LASI for link and Tx fault. */
  7642. bnx2x_cl45_write(bp, phy,
  7643. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7644. } else {
  7645. /* Force 1Gbps using autoneg with 1G advertisement */
  7646. /* Allow CL37 through CL73 */
  7647. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7648. bnx2x_cl45_write(bp, phy,
  7649. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7650. /* Enable Full-Duplex advertisement on CL37 */
  7651. bnx2x_cl45_write(bp, phy,
  7652. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7653. /* Enable CL37 AN */
  7654. bnx2x_cl45_write(bp, phy,
  7655. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7656. /* 1G support */
  7657. bnx2x_cl45_write(bp, phy,
  7658. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7659. /* Enable clause 73 AN */
  7660. bnx2x_cl45_write(bp, phy,
  7661. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7662. bnx2x_cl45_write(bp, phy,
  7663. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7664. 0x0400);
  7665. bnx2x_cl45_write(bp, phy,
  7666. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7667. 0x0004);
  7668. }
  7669. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7670. /*
  7671. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7672. * power mode, if TX Laser is disabled
  7673. */
  7674. tx_en_mode = REG_RD(bp, params->shmem_base +
  7675. offsetof(struct shmem_region,
  7676. dev_info.port_hw_config[params->port].sfp_ctrl))
  7677. & PORT_HW_CFG_TX_LASER_MASK;
  7678. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7679. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7680. bnx2x_cl45_read(bp, phy,
  7681. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7682. tmp1 |= 0x1;
  7683. bnx2x_cl45_write(bp, phy,
  7684. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7685. }
  7686. return 0;
  7687. }
  7688. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7689. struct link_params *params,
  7690. struct link_vars *vars)
  7691. {
  7692. return bnx2x_8706_8726_read_status(phy, params, vars);
  7693. }
  7694. /******************************************************************/
  7695. /* BCM8726 PHY SECTION */
  7696. /******************************************************************/
  7697. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7698. struct link_params *params)
  7699. {
  7700. struct bnx2x *bp = params->bp;
  7701. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7702. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7703. }
  7704. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7705. struct link_params *params)
  7706. {
  7707. struct bnx2x *bp = params->bp;
  7708. /* Need to wait 100ms after reset */
  7709. msleep(100);
  7710. /* Micro controller re-boot */
  7711. bnx2x_cl45_write(bp, phy,
  7712. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7713. /* Set soft reset */
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD,
  7716. MDIO_PMA_REG_GEN_CTRL,
  7717. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_PMA_DEVAD,
  7720. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7721. bnx2x_cl45_write(bp, phy,
  7722. MDIO_PMA_DEVAD,
  7723. MDIO_PMA_REG_GEN_CTRL,
  7724. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7725. /* wait for 150ms for microcode load */
  7726. msleep(150);
  7727. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD,
  7730. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7731. msleep(200);
  7732. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7733. }
  7734. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7735. struct link_params *params,
  7736. struct link_vars *vars)
  7737. {
  7738. struct bnx2x *bp = params->bp;
  7739. u16 val1;
  7740. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7741. if (link_up) {
  7742. bnx2x_cl45_read(bp, phy,
  7743. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7744. &val1);
  7745. if (val1 & (1<<15)) {
  7746. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7747. link_up = 0;
  7748. vars->line_speed = 0;
  7749. }
  7750. }
  7751. return link_up;
  7752. }
  7753. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7754. struct link_params *params,
  7755. struct link_vars *vars)
  7756. {
  7757. struct bnx2x *bp = params->bp;
  7758. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7759. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7760. bnx2x_wait_reset_complete(bp, phy, params);
  7761. bnx2x_8726_external_rom_boot(phy, params);
  7762. /*
  7763. * Need to call module detected on initialization since the module
  7764. * detection triggered by actual module insertion might occur before
  7765. * driver is loaded, and when driver is loaded, it reset all
  7766. * registers, including the transmitter
  7767. */
  7768. bnx2x_sfp_module_detection(phy, params);
  7769. if (phy->req_line_speed == SPEED_1000) {
  7770. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7771. bnx2x_cl45_write(bp, phy,
  7772. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7775. bnx2x_cl45_write(bp, phy,
  7776. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7777. bnx2x_cl45_write(bp, phy,
  7778. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7779. 0x400);
  7780. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7781. (phy->speed_cap_mask &
  7782. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7783. ((phy->speed_cap_mask &
  7784. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7785. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7786. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7787. /* Set Flow control */
  7788. bnx2x_ext_phy_set_pause(params, phy, vars);
  7789. bnx2x_cl45_write(bp, phy,
  7790. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7791. bnx2x_cl45_write(bp, phy,
  7792. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7797. bnx2x_cl45_write(bp, phy,
  7798. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7799. /*
  7800. * Enable RX-ALARM control to receive interrupt for 1G speed
  7801. * change
  7802. */
  7803. bnx2x_cl45_write(bp, phy,
  7804. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7805. bnx2x_cl45_write(bp, phy,
  7806. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7807. 0x400);
  7808. } else { /* Default 10G. Set only LASI control */
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7811. }
  7812. /* Set TX PreEmphasis if needed */
  7813. if ((params->feature_config_flags &
  7814. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7815. DP(NETIF_MSG_LINK,
  7816. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7817. phy->tx_preemphasis[0],
  7818. phy->tx_preemphasis[1]);
  7819. bnx2x_cl45_write(bp, phy,
  7820. MDIO_PMA_DEVAD,
  7821. MDIO_PMA_REG_8726_TX_CTRL1,
  7822. phy->tx_preemphasis[0]);
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_PMA_DEVAD,
  7825. MDIO_PMA_REG_8726_TX_CTRL2,
  7826. phy->tx_preemphasis[1]);
  7827. }
  7828. return 0;
  7829. }
  7830. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7831. struct link_params *params)
  7832. {
  7833. struct bnx2x *bp = params->bp;
  7834. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7835. /* Set serial boot control for external load */
  7836. bnx2x_cl45_write(bp, phy,
  7837. MDIO_PMA_DEVAD,
  7838. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7839. }
  7840. /******************************************************************/
  7841. /* BCM8727 PHY SECTION */
  7842. /******************************************************************/
  7843. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7844. struct link_params *params, u8 mode)
  7845. {
  7846. struct bnx2x *bp = params->bp;
  7847. u16 led_mode_bitmask = 0;
  7848. u16 gpio_pins_bitmask = 0;
  7849. u16 val;
  7850. /* Only NOC flavor requires to set the LED specifically */
  7851. if (!(phy->flags & FLAGS_NOC))
  7852. return;
  7853. switch (mode) {
  7854. case LED_MODE_FRONT_PANEL_OFF:
  7855. case LED_MODE_OFF:
  7856. led_mode_bitmask = 0;
  7857. gpio_pins_bitmask = 0x03;
  7858. break;
  7859. case LED_MODE_ON:
  7860. led_mode_bitmask = 0;
  7861. gpio_pins_bitmask = 0x02;
  7862. break;
  7863. case LED_MODE_OPER:
  7864. led_mode_bitmask = 0x60;
  7865. gpio_pins_bitmask = 0x11;
  7866. break;
  7867. }
  7868. bnx2x_cl45_read(bp, phy,
  7869. MDIO_PMA_DEVAD,
  7870. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7871. &val);
  7872. val &= 0xff8f;
  7873. val |= led_mode_bitmask;
  7874. bnx2x_cl45_write(bp, phy,
  7875. MDIO_PMA_DEVAD,
  7876. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7877. val);
  7878. bnx2x_cl45_read(bp, phy,
  7879. MDIO_PMA_DEVAD,
  7880. MDIO_PMA_REG_8727_GPIO_CTRL,
  7881. &val);
  7882. val &= 0xffe0;
  7883. val |= gpio_pins_bitmask;
  7884. bnx2x_cl45_write(bp, phy,
  7885. MDIO_PMA_DEVAD,
  7886. MDIO_PMA_REG_8727_GPIO_CTRL,
  7887. val);
  7888. }
  7889. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7890. struct link_params *params) {
  7891. u32 swap_val, swap_override;
  7892. u8 port;
  7893. /*
  7894. * The PHY reset is controlled by GPIO 1. Fake the port number
  7895. * to cancel the swap done in set_gpio()
  7896. */
  7897. struct bnx2x *bp = params->bp;
  7898. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7899. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7900. port = (swap_val && swap_override) ^ 1;
  7901. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7902. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7903. }
  7904. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7905. struct link_params *params,
  7906. struct link_vars *vars)
  7907. {
  7908. u32 tx_en_mode;
  7909. u16 tmp1, val, mod_abs, tmp2;
  7910. u16 rx_alarm_ctrl_val;
  7911. u16 lasi_ctrl_val;
  7912. struct bnx2x *bp = params->bp;
  7913. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7914. bnx2x_wait_reset_complete(bp, phy, params);
  7915. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7916. /* Should be 0x6 to enable XS on Tx side. */
  7917. lasi_ctrl_val = 0x0006;
  7918. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7919. /* enable LASI */
  7920. bnx2x_cl45_write(bp, phy,
  7921. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7922. rx_alarm_ctrl_val);
  7923. bnx2x_cl45_write(bp, phy,
  7924. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7925. 0);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7928. /*
  7929. * Initially configure MOD_ABS to interrupt when module is
  7930. * presence( bit 8)
  7931. */
  7932. bnx2x_cl45_read(bp, phy,
  7933. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7934. /*
  7935. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7936. * When the EDC is off it locks onto a reference clock and avoids
  7937. * becoming 'lost'
  7938. */
  7939. mod_abs &= ~(1<<8);
  7940. if (!(phy->flags & FLAGS_NOC))
  7941. mod_abs &= ~(1<<9);
  7942. bnx2x_cl45_write(bp, phy,
  7943. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7944. /* Enable/Disable PHY transmitter output */
  7945. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7946. /* Make MOD_ABS give interrupt on change */
  7947. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7948. &val);
  7949. val |= (1<<12);
  7950. if (phy->flags & FLAGS_NOC)
  7951. val |= (3<<5);
  7952. /*
  7953. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7954. * status which reflect SFP+ module over-current
  7955. */
  7956. if (!(phy->flags & FLAGS_NOC))
  7957. val &= 0xff8f; /* Reset bits 4-6 */
  7958. bnx2x_cl45_write(bp, phy,
  7959. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7960. bnx2x_8727_power_module(bp, phy, 1);
  7961. bnx2x_cl45_read(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7963. bnx2x_cl45_read(bp, phy,
  7964. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7965. /* Set option 1G speed */
  7966. if (phy->req_line_speed == SPEED_1000) {
  7967. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7970. bnx2x_cl45_write(bp, phy,
  7971. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7972. bnx2x_cl45_read(bp, phy,
  7973. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7974. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7975. /*
  7976. * Power down the XAUI until link is up in case of dual-media
  7977. * and 1G
  7978. */
  7979. if (DUAL_MEDIA(params)) {
  7980. bnx2x_cl45_read(bp, phy,
  7981. MDIO_PMA_DEVAD,
  7982. MDIO_PMA_REG_8727_PCS_GP, &val);
  7983. val |= (3<<10);
  7984. bnx2x_cl45_write(bp, phy,
  7985. MDIO_PMA_DEVAD,
  7986. MDIO_PMA_REG_8727_PCS_GP, val);
  7987. }
  7988. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7989. ((phy->speed_cap_mask &
  7990. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7991. ((phy->speed_cap_mask &
  7992. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7993. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7994. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7997. bnx2x_cl45_write(bp, phy,
  7998. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7999. } else {
  8000. /*
  8001. * Since the 8727 has only single reset pin, need to set the 10G
  8002. * registers although it is default
  8003. */
  8004. bnx2x_cl45_write(bp, phy,
  8005. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8006. 0x0020);
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8011. bnx2x_cl45_write(bp, phy,
  8012. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8013. 0x0008);
  8014. }
  8015. /*
  8016. * Set 2-wire transfer rate of SFP+ module EEPROM
  8017. * to 100Khz since some DACs(direct attached cables) do
  8018. * not work at 400Khz.
  8019. */
  8020. bnx2x_cl45_write(bp, phy,
  8021. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8022. 0xa001);
  8023. /* Set TX PreEmphasis if needed */
  8024. if ((params->feature_config_flags &
  8025. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8026. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8027. phy->tx_preemphasis[0],
  8028. phy->tx_preemphasis[1]);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8031. phy->tx_preemphasis[0]);
  8032. bnx2x_cl45_write(bp, phy,
  8033. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8034. phy->tx_preemphasis[1]);
  8035. }
  8036. /*
  8037. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8038. * power mode, if TX Laser is disabled
  8039. */
  8040. tx_en_mode = REG_RD(bp, params->shmem_base +
  8041. offsetof(struct shmem_region,
  8042. dev_info.port_hw_config[params->port].sfp_ctrl))
  8043. & PORT_HW_CFG_TX_LASER_MASK;
  8044. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8045. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8046. bnx2x_cl45_read(bp, phy,
  8047. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8048. tmp2 |= 0x1000;
  8049. tmp2 &= 0xFFEF;
  8050. bnx2x_cl45_write(bp, phy,
  8051. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8052. }
  8053. return 0;
  8054. }
  8055. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8056. struct link_params *params)
  8057. {
  8058. struct bnx2x *bp = params->bp;
  8059. u16 mod_abs, rx_alarm_status;
  8060. u32 val = REG_RD(bp, params->shmem_base +
  8061. offsetof(struct shmem_region, dev_info.
  8062. port_feature_config[params->port].
  8063. config));
  8064. bnx2x_cl45_read(bp, phy,
  8065. MDIO_PMA_DEVAD,
  8066. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8067. if (mod_abs & (1<<8)) {
  8068. /* Module is absent */
  8069. DP(NETIF_MSG_LINK,
  8070. "MOD_ABS indication show module is absent\n");
  8071. phy->media_type = ETH_PHY_NOT_PRESENT;
  8072. /*
  8073. * 1. Set mod_abs to detect next module
  8074. * presence event
  8075. * 2. Set EDC off by setting OPTXLOS signal input to low
  8076. * (bit 9).
  8077. * When the EDC is off it locks onto a reference clock and
  8078. * avoids becoming 'lost'.
  8079. */
  8080. mod_abs &= ~(1<<8);
  8081. if (!(phy->flags & FLAGS_NOC))
  8082. mod_abs &= ~(1<<9);
  8083. bnx2x_cl45_write(bp, phy,
  8084. MDIO_PMA_DEVAD,
  8085. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8086. /*
  8087. * Clear RX alarm since it stays up as long as
  8088. * the mod_abs wasn't changed
  8089. */
  8090. bnx2x_cl45_read(bp, phy,
  8091. MDIO_PMA_DEVAD,
  8092. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8093. } else {
  8094. /* Module is present */
  8095. DP(NETIF_MSG_LINK,
  8096. "MOD_ABS indication show module is present\n");
  8097. /*
  8098. * First disable transmitter, and if the module is ok, the
  8099. * module_detection will enable it
  8100. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8101. * 2. Restore the default polarity of the OPRXLOS signal and
  8102. * this signal will then correctly indicate the presence or
  8103. * absence of the Rx signal. (bit 9)
  8104. */
  8105. mod_abs |= (1<<8);
  8106. if (!(phy->flags & FLAGS_NOC))
  8107. mod_abs |= (1<<9);
  8108. bnx2x_cl45_write(bp, phy,
  8109. MDIO_PMA_DEVAD,
  8110. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8111. /*
  8112. * Clear RX alarm since it stays up as long as the mod_abs
  8113. * wasn't changed. This is need to be done before calling the
  8114. * module detection, otherwise it will clear* the link update
  8115. * alarm
  8116. */
  8117. bnx2x_cl45_read(bp, phy,
  8118. MDIO_PMA_DEVAD,
  8119. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8120. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8121. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8122. bnx2x_sfp_set_transmitter(params, phy, 0);
  8123. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8124. bnx2x_sfp_module_detection(phy, params);
  8125. else
  8126. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8127. }
  8128. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8129. rx_alarm_status);
  8130. /* No need to check link status in case of module plugged in/out */
  8131. }
  8132. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8133. struct link_params *params,
  8134. struct link_vars *vars)
  8135. {
  8136. struct bnx2x *bp = params->bp;
  8137. u8 link_up = 0, oc_port = params->port;
  8138. u16 link_status = 0;
  8139. u16 rx_alarm_status, lasi_ctrl, val1;
  8140. /* If PHY is not initialized, do not check link status */
  8141. bnx2x_cl45_read(bp, phy,
  8142. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8143. &lasi_ctrl);
  8144. if (!lasi_ctrl)
  8145. return 0;
  8146. /* Check the LASI on Rx */
  8147. bnx2x_cl45_read(bp, phy,
  8148. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8149. &rx_alarm_status);
  8150. vars->line_speed = 0;
  8151. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8152. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8153. MDIO_PMA_LASI_TXCTRL);
  8154. bnx2x_cl45_read(bp, phy,
  8155. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8156. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8157. /* Clear MSG-OUT */
  8158. bnx2x_cl45_read(bp, phy,
  8159. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8160. /*
  8161. * If a module is present and there is need to check
  8162. * for over current
  8163. */
  8164. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8165. /* Check over-current using 8727 GPIO0 input*/
  8166. bnx2x_cl45_read(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8168. &val1);
  8169. if ((val1 & (1<<8)) == 0) {
  8170. if (!CHIP_IS_E1x(bp))
  8171. oc_port = BP_PATH(bp) + (params->port << 1);
  8172. DP(NETIF_MSG_LINK,
  8173. "8727 Power fault has been detected on port %d\n",
  8174. oc_port);
  8175. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8176. "been detected and the power to "
  8177. "that SFP+ module has been removed "
  8178. "to prevent failure of the card. "
  8179. "Please remove the SFP+ module and "
  8180. "restart the system to clear this "
  8181. "error.\n",
  8182. oc_port);
  8183. /* Disable all RX_ALARMs except for mod_abs */
  8184. bnx2x_cl45_write(bp, phy,
  8185. MDIO_PMA_DEVAD,
  8186. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8187. bnx2x_cl45_read(bp, phy,
  8188. MDIO_PMA_DEVAD,
  8189. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8190. /* Wait for module_absent_event */
  8191. val1 |= (1<<8);
  8192. bnx2x_cl45_write(bp, phy,
  8193. MDIO_PMA_DEVAD,
  8194. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8195. /* Clear RX alarm */
  8196. bnx2x_cl45_read(bp, phy,
  8197. MDIO_PMA_DEVAD,
  8198. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8199. return 0;
  8200. }
  8201. } /* Over current check */
  8202. /* When module absent bit is set, check module */
  8203. if (rx_alarm_status & (1<<5)) {
  8204. bnx2x_8727_handle_mod_abs(phy, params);
  8205. /* Enable all mod_abs and link detection bits */
  8206. bnx2x_cl45_write(bp, phy,
  8207. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8208. ((1<<5) | (1<<2)));
  8209. }
  8210. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8211. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8212. /* If transmitter is disabled, ignore false link up indication */
  8213. bnx2x_cl45_read(bp, phy,
  8214. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8215. if (val1 & (1<<15)) {
  8216. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8217. return 0;
  8218. }
  8219. bnx2x_cl45_read(bp, phy,
  8220. MDIO_PMA_DEVAD,
  8221. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8222. /*
  8223. * Bits 0..2 --> speed detected,
  8224. * Bits 13..15--> link is down
  8225. */
  8226. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8227. link_up = 1;
  8228. vars->line_speed = SPEED_10000;
  8229. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8230. params->port);
  8231. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8232. link_up = 1;
  8233. vars->line_speed = SPEED_1000;
  8234. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8235. params->port);
  8236. } else {
  8237. link_up = 0;
  8238. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8239. params->port);
  8240. }
  8241. /* Capture 10G link fault. */
  8242. if (vars->line_speed == SPEED_10000) {
  8243. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8244. MDIO_PMA_LASI_TXSTAT, &val1);
  8245. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8246. MDIO_PMA_LASI_TXSTAT, &val1);
  8247. if (val1 & (1<<0)) {
  8248. vars->fault_detected = 1;
  8249. }
  8250. }
  8251. if (link_up) {
  8252. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8253. vars->duplex = DUPLEX_FULL;
  8254. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8255. }
  8256. if ((DUAL_MEDIA(params)) &&
  8257. (phy->req_line_speed == SPEED_1000)) {
  8258. bnx2x_cl45_read(bp, phy,
  8259. MDIO_PMA_DEVAD,
  8260. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8261. /*
  8262. * In case of dual-media board and 1G, power up the XAUI side,
  8263. * otherwise power it down. For 10G it is done automatically
  8264. */
  8265. if (link_up)
  8266. val1 &= ~(3<<10);
  8267. else
  8268. val1 |= (3<<10);
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8727_PCS_GP, val1);
  8272. }
  8273. return link_up;
  8274. }
  8275. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8276. struct link_params *params)
  8277. {
  8278. struct bnx2x *bp = params->bp;
  8279. /* Enable/Disable PHY transmitter output */
  8280. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8281. /* Disable Transmitter */
  8282. bnx2x_sfp_set_transmitter(params, phy, 0);
  8283. /* Clear LASI */
  8284. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8285. }
  8286. /******************************************************************/
  8287. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8288. /******************************************************************/
  8289. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8290. struct bnx2x *bp,
  8291. u8 port)
  8292. {
  8293. u16 val, fw_ver1, fw_ver2, cnt;
  8294. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8295. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8296. bnx2x_save_spirom_version(bp, port,
  8297. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8298. phy->ver_addr);
  8299. } else {
  8300. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8301. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8302. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8303. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8304. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8305. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8306. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8307. for (cnt = 0; cnt < 100; cnt++) {
  8308. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8309. if (val & 1)
  8310. break;
  8311. udelay(5);
  8312. }
  8313. if (cnt == 100) {
  8314. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8315. "phy fw version(1)\n");
  8316. bnx2x_save_spirom_version(bp, port, 0,
  8317. phy->ver_addr);
  8318. return;
  8319. }
  8320. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8321. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8322. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8323. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8324. for (cnt = 0; cnt < 100; cnt++) {
  8325. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8326. if (val & 1)
  8327. break;
  8328. udelay(5);
  8329. }
  8330. if (cnt == 100) {
  8331. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8332. "version(2)\n");
  8333. bnx2x_save_spirom_version(bp, port, 0,
  8334. phy->ver_addr);
  8335. return;
  8336. }
  8337. /* lower 16 bits of the register SPI_FW_STATUS */
  8338. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8339. /* upper 16 bits of register SPI_FW_STATUS */
  8340. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8341. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8342. phy->ver_addr);
  8343. }
  8344. }
  8345. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8346. struct bnx2x_phy *phy)
  8347. {
  8348. u16 val, offset;
  8349. /* PHYC_CTL_LED_CTL */
  8350. bnx2x_cl45_read(bp, phy,
  8351. MDIO_PMA_DEVAD,
  8352. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8353. val &= 0xFE00;
  8354. val |= 0x0092;
  8355. bnx2x_cl45_write(bp, phy,
  8356. MDIO_PMA_DEVAD,
  8357. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8358. bnx2x_cl45_write(bp, phy,
  8359. MDIO_PMA_DEVAD,
  8360. MDIO_PMA_REG_8481_LED1_MASK,
  8361. 0x80);
  8362. bnx2x_cl45_write(bp, phy,
  8363. MDIO_PMA_DEVAD,
  8364. MDIO_PMA_REG_8481_LED2_MASK,
  8365. 0x18);
  8366. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_PMA_DEVAD,
  8369. MDIO_PMA_REG_8481_LED3_MASK,
  8370. 0x0006);
  8371. /* Select the closest activity blink rate to that in 10/100/1000 */
  8372. bnx2x_cl45_write(bp, phy,
  8373. MDIO_PMA_DEVAD,
  8374. MDIO_PMA_REG_8481_LED3_BLINK,
  8375. 0);
  8376. /* Configure the blink rate to ~15.9 Hz */
  8377. bnx2x_cl45_write(bp, phy,
  8378. MDIO_PMA_DEVAD,
  8379. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8380. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8381. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8382. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8383. else
  8384. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8385. bnx2x_cl45_read(bp, phy,
  8386. MDIO_PMA_DEVAD, offset, &val);
  8387. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8388. bnx2x_cl45_write(bp, phy,
  8389. MDIO_PMA_DEVAD, offset, val);
  8390. /* 'Interrupt Mask' */
  8391. bnx2x_cl45_write(bp, phy,
  8392. MDIO_AN_DEVAD,
  8393. 0xFFFB, 0xFFFD);
  8394. }
  8395. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8396. struct link_params *params,
  8397. struct link_vars *vars)
  8398. {
  8399. struct bnx2x *bp = params->bp;
  8400. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8401. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8402. /* Save spirom version */
  8403. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8404. }
  8405. /*
  8406. * This phy uses the NIG latch mechanism since link indication
  8407. * arrives through its LED4 and not via its LASI signal, so we
  8408. * get steady signal instead of clear on read
  8409. */
  8410. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8411. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8412. bnx2x_cl45_write(bp, phy,
  8413. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8414. bnx2x_848xx_set_led(bp, phy);
  8415. /* set 1000 speed advertisement */
  8416. bnx2x_cl45_read(bp, phy,
  8417. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8418. &an_1000_val);
  8419. bnx2x_ext_phy_set_pause(params, phy, vars);
  8420. bnx2x_cl45_read(bp, phy,
  8421. MDIO_AN_DEVAD,
  8422. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8423. &an_10_100_val);
  8424. bnx2x_cl45_read(bp, phy,
  8425. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8426. &autoneg_val);
  8427. /* Disable forced speed */
  8428. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8429. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8430. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8431. (phy->speed_cap_mask &
  8432. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8433. (phy->req_line_speed == SPEED_1000)) {
  8434. an_1000_val |= (1<<8);
  8435. autoneg_val |= (1<<9 | 1<<12);
  8436. if (phy->req_duplex == DUPLEX_FULL)
  8437. an_1000_val |= (1<<9);
  8438. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8439. } else
  8440. an_1000_val &= ~((1<<8) | (1<<9));
  8441. bnx2x_cl45_write(bp, phy,
  8442. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8443. an_1000_val);
  8444. /* set 100 speed advertisement */
  8445. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8446. (phy->speed_cap_mask &
  8447. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8448. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8449. an_10_100_val |= (1<<7);
  8450. /* Enable autoneg and restart autoneg for legacy speeds */
  8451. autoneg_val |= (1<<9 | 1<<12);
  8452. if (phy->req_duplex == DUPLEX_FULL)
  8453. an_10_100_val |= (1<<8);
  8454. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8455. }
  8456. /* set 10 speed advertisement */
  8457. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8458. (phy->speed_cap_mask &
  8459. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8460. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8461. (phy->supported &
  8462. (SUPPORTED_10baseT_Half |
  8463. SUPPORTED_10baseT_Full)))) {
  8464. an_10_100_val |= (1<<5);
  8465. autoneg_val |= (1<<9 | 1<<12);
  8466. if (phy->req_duplex == DUPLEX_FULL)
  8467. an_10_100_val |= (1<<6);
  8468. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8469. }
  8470. /* Only 10/100 are allowed to work in FORCE mode */
  8471. if ((phy->req_line_speed == SPEED_100) &&
  8472. (phy->supported &
  8473. (SUPPORTED_100baseT_Half |
  8474. SUPPORTED_100baseT_Full))) {
  8475. autoneg_val |= (1<<13);
  8476. /* Enabled AUTO-MDIX when autoneg is disabled */
  8477. bnx2x_cl45_write(bp, phy,
  8478. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8479. (1<<15 | 1<<9 | 7<<0));
  8480. /* The PHY needs this set even for forced link. */
  8481. an_10_100_val |= (1<<8) | (1<<7);
  8482. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8483. }
  8484. if ((phy->req_line_speed == SPEED_10) &&
  8485. (phy->supported &
  8486. (SUPPORTED_10baseT_Half |
  8487. SUPPORTED_10baseT_Full))) {
  8488. /* Enabled AUTO-MDIX when autoneg is disabled */
  8489. bnx2x_cl45_write(bp, phy,
  8490. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8491. (1<<15 | 1<<9 | 7<<0));
  8492. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8493. }
  8494. bnx2x_cl45_write(bp, phy,
  8495. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8496. an_10_100_val);
  8497. if (phy->req_duplex == DUPLEX_FULL)
  8498. autoneg_val |= (1<<8);
  8499. /*
  8500. * Always write this if this is not 84833.
  8501. * For 84833, write it only when it's a forced speed.
  8502. */
  8503. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8504. ((autoneg_val & (1<<12)) == 0))
  8505. bnx2x_cl45_write(bp, phy,
  8506. MDIO_AN_DEVAD,
  8507. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8508. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8509. (phy->speed_cap_mask &
  8510. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8511. (phy->req_line_speed == SPEED_10000)) {
  8512. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8513. /* Restart autoneg for 10G*/
  8514. bnx2x_cl45_read(bp, phy,
  8515. MDIO_AN_DEVAD,
  8516. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8517. &an_10g_val);
  8518. bnx2x_cl45_write(bp, phy,
  8519. MDIO_AN_DEVAD,
  8520. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8521. an_10g_val | 0x1000);
  8522. bnx2x_cl45_write(bp, phy,
  8523. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8524. 0x3200);
  8525. } else
  8526. bnx2x_cl45_write(bp, phy,
  8527. MDIO_AN_DEVAD,
  8528. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8529. 1);
  8530. return 0;
  8531. }
  8532. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8533. struct link_params *params,
  8534. struct link_vars *vars)
  8535. {
  8536. struct bnx2x *bp = params->bp;
  8537. /* Restore normal power mode*/
  8538. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8539. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8540. /* HW reset */
  8541. bnx2x_ext_phy_hw_reset(bp, params->port);
  8542. bnx2x_wait_reset_complete(bp, phy, params);
  8543. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8544. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8545. }
  8546. #define PHY84833_CMDHDLR_WAIT 300
  8547. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8548. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8549. struct link_params *params,
  8550. u16 fw_cmd,
  8551. u16 cmd_args[])
  8552. {
  8553. u32 idx;
  8554. u16 val;
  8555. struct bnx2x *bp = params->bp;
  8556. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8557. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8558. MDIO_84833_CMD_HDLR_STATUS,
  8559. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8560. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8561. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8562. MDIO_84833_CMD_HDLR_STATUS, &val);
  8563. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8564. break;
  8565. msleep(1);
  8566. }
  8567. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8568. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8569. return -EINVAL;
  8570. }
  8571. /* Prepare argument(s) and issue command */
  8572. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8573. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8574. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8575. cmd_args[idx]);
  8576. }
  8577. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8578. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8579. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8580. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8581. MDIO_84833_CMD_HDLR_STATUS, &val);
  8582. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8583. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8584. break;
  8585. msleep(1);
  8586. }
  8587. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8588. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8589. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8590. return -EINVAL;
  8591. }
  8592. /* Gather returning data */
  8593. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8594. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8595. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8596. &cmd_args[idx]);
  8597. }
  8598. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8599. MDIO_84833_CMD_HDLR_STATUS,
  8600. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8601. return 0;
  8602. }
  8603. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8604. struct link_params *params,
  8605. struct link_vars *vars)
  8606. {
  8607. u32 pair_swap;
  8608. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8609. int status;
  8610. struct bnx2x *bp = params->bp;
  8611. /* Check for configuration. */
  8612. pair_swap = REG_RD(bp, params->shmem_base +
  8613. offsetof(struct shmem_region,
  8614. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8615. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8616. if (pair_swap == 0)
  8617. return 0;
  8618. /* Only the second argument is used for this command */
  8619. data[1] = (u16)pair_swap;
  8620. status = bnx2x_84833_cmd_hdlr(phy, params,
  8621. PHY84833_CMD_SET_PAIR_SWAP, data);
  8622. if (status == 0)
  8623. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8624. return status;
  8625. }
  8626. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8627. u32 shmem_base_path[],
  8628. u32 chip_id)
  8629. {
  8630. u32 reset_pin[2];
  8631. u32 idx;
  8632. u8 reset_gpios;
  8633. if (CHIP_IS_E3(bp)) {
  8634. /* Assume that these will be GPIOs, not EPIOs. */
  8635. for (idx = 0; idx < 2; idx++) {
  8636. /* Map config param to register bit. */
  8637. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8638. offsetof(struct shmem_region,
  8639. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8640. reset_pin[idx] = (reset_pin[idx] &
  8641. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8642. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8643. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8644. reset_pin[idx] = (1 << reset_pin[idx]);
  8645. }
  8646. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8647. } else {
  8648. /* E2, look from diff place of shmem. */
  8649. for (idx = 0; idx < 2; idx++) {
  8650. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8651. offsetof(struct shmem_region,
  8652. dev_info.port_hw_config[0].default_cfg));
  8653. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8654. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8655. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8656. reset_pin[idx] = (1 << reset_pin[idx]);
  8657. }
  8658. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8659. }
  8660. return reset_gpios;
  8661. }
  8662. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8663. struct link_params *params)
  8664. {
  8665. struct bnx2x *bp = params->bp;
  8666. u8 reset_gpios;
  8667. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8668. offsetof(struct shmem2_region,
  8669. other_shmem_base_addr));
  8670. u32 shmem_base_path[2];
  8671. shmem_base_path[0] = params->shmem_base;
  8672. shmem_base_path[1] = other_shmem_base_addr;
  8673. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8674. params->chip_id);
  8675. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8676. udelay(10);
  8677. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8678. reset_gpios);
  8679. return 0;
  8680. }
  8681. #define PHY84833_CONSTANT_LATENCY 1193
  8682. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8683. struct link_params *params,
  8684. struct link_vars *vars)
  8685. {
  8686. struct bnx2x *bp = params->bp;
  8687. u8 port, initialize = 1;
  8688. u16 val;
  8689. u32 actual_phy_selection, cms_enable;
  8690. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8691. int rc = 0;
  8692. msleep(1);
  8693. if (!(CHIP_IS_E1(bp)))
  8694. port = BP_PATH(bp);
  8695. else
  8696. port = params->port;
  8697. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8698. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8699. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8700. port);
  8701. } else {
  8702. /* MDIO reset */
  8703. bnx2x_cl45_write(bp, phy,
  8704. MDIO_PMA_DEVAD,
  8705. MDIO_PMA_REG_CTRL, 0x8000);
  8706. }
  8707. bnx2x_wait_reset_complete(bp, phy, params);
  8708. /* Wait for GPHY to come out of reset */
  8709. msleep(50);
  8710. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8711. /*
  8712. * BCM84823 requires that XGXS links up first @ 10G for normal
  8713. * behavior.
  8714. */
  8715. u16 temp;
  8716. temp = vars->line_speed;
  8717. vars->line_speed = SPEED_10000;
  8718. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8719. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8720. vars->line_speed = temp;
  8721. }
  8722. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8723. MDIO_CTL_REG_84823_MEDIA, &val);
  8724. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8725. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8726. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8727. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8728. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8729. if (CHIP_IS_E3(bp)) {
  8730. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8731. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8732. } else {
  8733. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8734. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8735. }
  8736. actual_phy_selection = bnx2x_phy_selection(params);
  8737. switch (actual_phy_selection) {
  8738. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8739. /* Do nothing. Essentially this is like the priority copper */
  8740. break;
  8741. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8742. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8743. break;
  8744. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8745. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8746. break;
  8747. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8748. /* Do nothing here. The first PHY won't be initialized at all */
  8749. break;
  8750. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8751. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8752. initialize = 0;
  8753. break;
  8754. }
  8755. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8756. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8757. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8758. MDIO_CTL_REG_84823_MEDIA, val);
  8759. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8760. params->multi_phy_config, val);
  8761. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8762. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8763. /* Keep AutogrEEEn disabled. */
  8764. cmd_args[0] = 0x0;
  8765. cmd_args[1] = 0x0;
  8766. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8767. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8768. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8769. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8770. if (rc != 0)
  8771. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8772. }
  8773. if (initialize)
  8774. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8775. else
  8776. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8777. /* 84833 PHY has a better feature and doesn't need to support this. */
  8778. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8779. cms_enable = REG_RD(bp, params->shmem_base +
  8780. offsetof(struct shmem_region,
  8781. dev_info.port_hw_config[params->port].default_cfg)) &
  8782. PORT_HW_CFG_ENABLE_CMS_MASK;
  8783. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8784. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8785. if (cms_enable)
  8786. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8787. else
  8788. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8789. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8790. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8791. }
  8792. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8793. /* Bring PHY out of super isolate mode as the final step. */
  8794. bnx2x_cl45_read(bp, phy,
  8795. MDIO_CTL_DEVAD,
  8796. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8797. val &= ~MDIO_84833_SUPER_ISOLATE;
  8798. bnx2x_cl45_write(bp, phy,
  8799. MDIO_CTL_DEVAD,
  8800. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8801. }
  8802. return rc;
  8803. }
  8804. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8805. struct link_params *params,
  8806. struct link_vars *vars)
  8807. {
  8808. struct bnx2x *bp = params->bp;
  8809. u16 val, val1, val2;
  8810. u8 link_up = 0;
  8811. /* Check 10G-BaseT link status */
  8812. /* Check PMD signal ok */
  8813. bnx2x_cl45_read(bp, phy,
  8814. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8815. bnx2x_cl45_read(bp, phy,
  8816. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8817. &val2);
  8818. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8819. /* Check link 10G */
  8820. if (val2 & (1<<11)) {
  8821. vars->line_speed = SPEED_10000;
  8822. vars->duplex = DUPLEX_FULL;
  8823. link_up = 1;
  8824. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8825. } else { /* Check Legacy speed link */
  8826. u16 legacy_status, legacy_speed;
  8827. /* Enable expansion register 0x42 (Operation mode status) */
  8828. bnx2x_cl45_write(bp, phy,
  8829. MDIO_AN_DEVAD,
  8830. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8831. /* Get legacy speed operation status */
  8832. bnx2x_cl45_read(bp, phy,
  8833. MDIO_AN_DEVAD,
  8834. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8835. &legacy_status);
  8836. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8837. legacy_status);
  8838. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8839. if (link_up) {
  8840. legacy_speed = (legacy_status & (3<<9));
  8841. if (legacy_speed == (0<<9))
  8842. vars->line_speed = SPEED_10;
  8843. else if (legacy_speed == (1<<9))
  8844. vars->line_speed = SPEED_100;
  8845. else if (legacy_speed == (2<<9))
  8846. vars->line_speed = SPEED_1000;
  8847. else /* Should not happen */
  8848. vars->line_speed = 0;
  8849. if (legacy_status & (1<<8))
  8850. vars->duplex = DUPLEX_FULL;
  8851. else
  8852. vars->duplex = DUPLEX_HALF;
  8853. DP(NETIF_MSG_LINK,
  8854. "Link is up in %dMbps, is_duplex_full= %d\n",
  8855. vars->line_speed,
  8856. (vars->duplex == DUPLEX_FULL));
  8857. /* Check legacy speed AN resolution */
  8858. bnx2x_cl45_read(bp, phy,
  8859. MDIO_AN_DEVAD,
  8860. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8861. &val);
  8862. if (val & (1<<5))
  8863. vars->link_status |=
  8864. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8865. bnx2x_cl45_read(bp, phy,
  8866. MDIO_AN_DEVAD,
  8867. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8868. &val);
  8869. if ((val & (1<<0)) == 0)
  8870. vars->link_status |=
  8871. LINK_STATUS_PARALLEL_DETECTION_USED;
  8872. }
  8873. }
  8874. if (link_up) {
  8875. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8876. vars->line_speed);
  8877. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8878. /* Read LP advertised speeds */
  8879. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8880. MDIO_AN_REG_CL37_FC_LP, &val);
  8881. if (val & (1<<5))
  8882. vars->link_status |=
  8883. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8884. if (val & (1<<6))
  8885. vars->link_status |=
  8886. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8887. if (val & (1<<7))
  8888. vars->link_status |=
  8889. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8890. if (val & (1<<8))
  8891. vars->link_status |=
  8892. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8893. if (val & (1<<9))
  8894. vars->link_status |=
  8895. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8896. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8897. MDIO_AN_REG_1000T_STATUS, &val);
  8898. if (val & (1<<10))
  8899. vars->link_status |=
  8900. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8901. if (val & (1<<11))
  8902. vars->link_status |=
  8903. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8904. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8905. MDIO_AN_REG_MASTER_STATUS, &val);
  8906. if (val & (1<<11))
  8907. vars->link_status |=
  8908. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8909. }
  8910. return link_up;
  8911. }
  8912. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8913. {
  8914. int status = 0;
  8915. u32 spirom_ver;
  8916. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8917. status = bnx2x_format_ver(spirom_ver, str, len);
  8918. return status;
  8919. }
  8920. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8921. struct link_params *params)
  8922. {
  8923. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8924. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8925. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8926. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8927. }
  8928. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8929. struct link_params *params)
  8930. {
  8931. bnx2x_cl45_write(params->bp, phy,
  8932. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8933. bnx2x_cl45_write(params->bp, phy,
  8934. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8935. }
  8936. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8937. struct link_params *params)
  8938. {
  8939. struct bnx2x *bp = params->bp;
  8940. u8 port;
  8941. u16 val16;
  8942. if (!(CHIP_IS_E1(bp)))
  8943. port = BP_PATH(bp);
  8944. else
  8945. port = params->port;
  8946. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8947. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8948. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8949. port);
  8950. } else {
  8951. bnx2x_cl45_read(bp, phy,
  8952. MDIO_CTL_DEVAD,
  8953. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8954. val16 |= MDIO_84833_SUPER_ISOLATE;
  8955. bnx2x_cl45_write(bp, phy,
  8956. MDIO_CTL_DEVAD,
  8957. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8958. }
  8959. }
  8960. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8961. struct link_params *params, u8 mode)
  8962. {
  8963. struct bnx2x *bp = params->bp;
  8964. u16 val;
  8965. u8 port;
  8966. if (!(CHIP_IS_E1(bp)))
  8967. port = BP_PATH(bp);
  8968. else
  8969. port = params->port;
  8970. switch (mode) {
  8971. case LED_MODE_OFF:
  8972. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8973. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8974. SHARED_HW_CFG_LED_EXTPHY1) {
  8975. /* Set LED masks */
  8976. bnx2x_cl45_write(bp, phy,
  8977. MDIO_PMA_DEVAD,
  8978. MDIO_PMA_REG_8481_LED1_MASK,
  8979. 0x0);
  8980. bnx2x_cl45_write(bp, phy,
  8981. MDIO_PMA_DEVAD,
  8982. MDIO_PMA_REG_8481_LED2_MASK,
  8983. 0x0);
  8984. bnx2x_cl45_write(bp, phy,
  8985. MDIO_PMA_DEVAD,
  8986. MDIO_PMA_REG_8481_LED3_MASK,
  8987. 0x0);
  8988. bnx2x_cl45_write(bp, phy,
  8989. MDIO_PMA_DEVAD,
  8990. MDIO_PMA_REG_8481_LED5_MASK,
  8991. 0x0);
  8992. } else {
  8993. bnx2x_cl45_write(bp, phy,
  8994. MDIO_PMA_DEVAD,
  8995. MDIO_PMA_REG_8481_LED1_MASK,
  8996. 0x0);
  8997. }
  8998. break;
  8999. case LED_MODE_FRONT_PANEL_OFF:
  9000. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9001. port);
  9002. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9003. SHARED_HW_CFG_LED_EXTPHY1) {
  9004. /* Set LED masks */
  9005. bnx2x_cl45_write(bp, phy,
  9006. MDIO_PMA_DEVAD,
  9007. MDIO_PMA_REG_8481_LED1_MASK,
  9008. 0x0);
  9009. bnx2x_cl45_write(bp, phy,
  9010. MDIO_PMA_DEVAD,
  9011. MDIO_PMA_REG_8481_LED2_MASK,
  9012. 0x0);
  9013. bnx2x_cl45_write(bp, phy,
  9014. MDIO_PMA_DEVAD,
  9015. MDIO_PMA_REG_8481_LED3_MASK,
  9016. 0x0);
  9017. bnx2x_cl45_write(bp, phy,
  9018. MDIO_PMA_DEVAD,
  9019. MDIO_PMA_REG_8481_LED5_MASK,
  9020. 0x20);
  9021. } else {
  9022. bnx2x_cl45_write(bp, phy,
  9023. MDIO_PMA_DEVAD,
  9024. MDIO_PMA_REG_8481_LED1_MASK,
  9025. 0x0);
  9026. }
  9027. break;
  9028. case LED_MODE_ON:
  9029. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9030. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9031. SHARED_HW_CFG_LED_EXTPHY1) {
  9032. /* Set control reg */
  9033. bnx2x_cl45_read(bp, phy,
  9034. MDIO_PMA_DEVAD,
  9035. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9036. &val);
  9037. val &= 0x8000;
  9038. val |= 0x2492;
  9039. bnx2x_cl45_write(bp, phy,
  9040. MDIO_PMA_DEVAD,
  9041. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9042. val);
  9043. /* Set LED masks */
  9044. bnx2x_cl45_write(bp, phy,
  9045. MDIO_PMA_DEVAD,
  9046. MDIO_PMA_REG_8481_LED1_MASK,
  9047. 0x0);
  9048. bnx2x_cl45_write(bp, phy,
  9049. MDIO_PMA_DEVAD,
  9050. MDIO_PMA_REG_8481_LED2_MASK,
  9051. 0x20);
  9052. bnx2x_cl45_write(bp, phy,
  9053. MDIO_PMA_DEVAD,
  9054. MDIO_PMA_REG_8481_LED3_MASK,
  9055. 0x20);
  9056. bnx2x_cl45_write(bp, phy,
  9057. MDIO_PMA_DEVAD,
  9058. MDIO_PMA_REG_8481_LED5_MASK,
  9059. 0x0);
  9060. } else {
  9061. bnx2x_cl45_write(bp, phy,
  9062. MDIO_PMA_DEVAD,
  9063. MDIO_PMA_REG_8481_LED1_MASK,
  9064. 0x20);
  9065. }
  9066. break;
  9067. case LED_MODE_OPER:
  9068. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9069. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9070. SHARED_HW_CFG_LED_EXTPHY1) {
  9071. /* Set control reg */
  9072. bnx2x_cl45_read(bp, phy,
  9073. MDIO_PMA_DEVAD,
  9074. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9075. &val);
  9076. if (!((val &
  9077. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9078. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9079. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9080. bnx2x_cl45_write(bp, phy,
  9081. MDIO_PMA_DEVAD,
  9082. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9083. 0xa492);
  9084. }
  9085. /* Set LED masks */
  9086. bnx2x_cl45_write(bp, phy,
  9087. MDIO_PMA_DEVAD,
  9088. MDIO_PMA_REG_8481_LED1_MASK,
  9089. 0x10);
  9090. bnx2x_cl45_write(bp, phy,
  9091. MDIO_PMA_DEVAD,
  9092. MDIO_PMA_REG_8481_LED2_MASK,
  9093. 0x80);
  9094. bnx2x_cl45_write(bp, phy,
  9095. MDIO_PMA_DEVAD,
  9096. MDIO_PMA_REG_8481_LED3_MASK,
  9097. 0x98);
  9098. bnx2x_cl45_write(bp, phy,
  9099. MDIO_PMA_DEVAD,
  9100. MDIO_PMA_REG_8481_LED5_MASK,
  9101. 0x40);
  9102. } else {
  9103. bnx2x_cl45_write(bp, phy,
  9104. MDIO_PMA_DEVAD,
  9105. MDIO_PMA_REG_8481_LED1_MASK,
  9106. 0x80);
  9107. /* Tell LED3 to blink on source */
  9108. bnx2x_cl45_read(bp, phy,
  9109. MDIO_PMA_DEVAD,
  9110. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9111. &val);
  9112. val &= ~(7<<6);
  9113. val |= (1<<6); /* A83B[8:6]= 1 */
  9114. bnx2x_cl45_write(bp, phy,
  9115. MDIO_PMA_DEVAD,
  9116. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9117. val);
  9118. }
  9119. break;
  9120. }
  9121. /*
  9122. * This is a workaround for E3+84833 until autoneg
  9123. * restart is fixed in f/w
  9124. */
  9125. if (CHIP_IS_E3(bp)) {
  9126. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9127. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9128. }
  9129. }
  9130. /******************************************************************/
  9131. /* 54618SE PHY SECTION */
  9132. /******************************************************************/
  9133. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9134. struct link_params *params,
  9135. struct link_vars *vars)
  9136. {
  9137. struct bnx2x *bp = params->bp;
  9138. u8 port;
  9139. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9140. u32 cfg_pin;
  9141. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9142. usleep_range(1000, 1000);
  9143. /*
  9144. * This works with E3 only, no need to check the chip
  9145. * before determining the port.
  9146. */
  9147. port = params->port;
  9148. cfg_pin = (REG_RD(bp, params->shmem_base +
  9149. offsetof(struct shmem_region,
  9150. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9151. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9152. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9153. /* Drive pin high to bring the GPHY out of reset. */
  9154. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9155. /* wait for GPHY to reset */
  9156. msleep(50);
  9157. /* reset phy */
  9158. bnx2x_cl22_write(bp, phy,
  9159. MDIO_PMA_REG_CTRL, 0x8000);
  9160. bnx2x_wait_reset_complete(bp, phy, params);
  9161. /*wait for GPHY to reset */
  9162. msleep(50);
  9163. /* Configure LED4: set to INTR (0x6). */
  9164. /* Accessing shadow register 0xe. */
  9165. bnx2x_cl22_write(bp, phy,
  9166. MDIO_REG_GPHY_SHADOW,
  9167. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9168. bnx2x_cl22_read(bp, phy,
  9169. MDIO_REG_GPHY_SHADOW,
  9170. &temp);
  9171. temp &= ~(0xf << 4);
  9172. temp |= (0x6 << 4);
  9173. bnx2x_cl22_write(bp, phy,
  9174. MDIO_REG_GPHY_SHADOW,
  9175. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9176. /* Configure INTR based on link status change. */
  9177. bnx2x_cl22_write(bp, phy,
  9178. MDIO_REG_INTR_MASK,
  9179. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9180. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9181. bnx2x_cl22_write(bp, phy,
  9182. MDIO_REG_GPHY_SHADOW,
  9183. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9184. bnx2x_cl22_read(bp, phy,
  9185. MDIO_REG_GPHY_SHADOW,
  9186. &temp);
  9187. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9188. bnx2x_cl22_write(bp, phy,
  9189. MDIO_REG_GPHY_SHADOW,
  9190. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9191. /* Set up fc */
  9192. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9193. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9194. fc_val = 0;
  9195. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9196. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9197. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9198. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9199. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9200. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9201. /* read all advertisement */
  9202. bnx2x_cl22_read(bp, phy,
  9203. 0x09,
  9204. &an_1000_val);
  9205. bnx2x_cl22_read(bp, phy,
  9206. 0x04,
  9207. &an_10_100_val);
  9208. bnx2x_cl22_read(bp, phy,
  9209. MDIO_PMA_REG_CTRL,
  9210. &autoneg_val);
  9211. /* Disable forced speed */
  9212. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9213. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9214. (1<<11));
  9215. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9216. (phy->speed_cap_mask &
  9217. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9218. (phy->req_line_speed == SPEED_1000)) {
  9219. an_1000_val |= (1<<8);
  9220. autoneg_val |= (1<<9 | 1<<12);
  9221. if (phy->req_duplex == DUPLEX_FULL)
  9222. an_1000_val |= (1<<9);
  9223. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9224. } else
  9225. an_1000_val &= ~((1<<8) | (1<<9));
  9226. bnx2x_cl22_write(bp, phy,
  9227. 0x09,
  9228. an_1000_val);
  9229. bnx2x_cl22_read(bp, phy,
  9230. 0x09,
  9231. &an_1000_val);
  9232. /* set 100 speed advertisement */
  9233. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9234. (phy->speed_cap_mask &
  9235. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9236. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9237. an_10_100_val |= (1<<7);
  9238. /* Enable autoneg and restart autoneg for legacy speeds */
  9239. autoneg_val |= (1<<9 | 1<<12);
  9240. if (phy->req_duplex == DUPLEX_FULL)
  9241. an_10_100_val |= (1<<8);
  9242. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9243. }
  9244. /* set 10 speed advertisement */
  9245. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9246. (phy->speed_cap_mask &
  9247. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9248. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9249. an_10_100_val |= (1<<5);
  9250. autoneg_val |= (1<<9 | 1<<12);
  9251. if (phy->req_duplex == DUPLEX_FULL)
  9252. an_10_100_val |= (1<<6);
  9253. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9254. }
  9255. /* Only 10/100 are allowed to work in FORCE mode */
  9256. if (phy->req_line_speed == SPEED_100) {
  9257. autoneg_val |= (1<<13);
  9258. /* Enabled AUTO-MDIX when autoneg is disabled */
  9259. bnx2x_cl22_write(bp, phy,
  9260. 0x18,
  9261. (1<<15 | 1<<9 | 7<<0));
  9262. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9263. }
  9264. if (phy->req_line_speed == SPEED_10) {
  9265. /* Enabled AUTO-MDIX when autoneg is disabled */
  9266. bnx2x_cl22_write(bp, phy,
  9267. 0x18,
  9268. (1<<15 | 1<<9 | 7<<0));
  9269. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9270. }
  9271. /* Check if we should turn on Auto-GrEEEn */
  9272. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9273. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9274. if (params->feature_config_flags &
  9275. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9276. temp = 6;
  9277. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9278. } else {
  9279. temp = 0;
  9280. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9281. }
  9282. bnx2x_cl22_write(bp, phy,
  9283. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9284. bnx2x_cl22_write(bp, phy,
  9285. MDIO_REG_GPHY_CL45_DATA_REG,
  9286. MDIO_REG_GPHY_EEE_ADV);
  9287. bnx2x_cl22_write(bp, phy,
  9288. MDIO_REG_GPHY_CL45_ADDR_REG,
  9289. (0x1 << 14) | MDIO_AN_DEVAD);
  9290. bnx2x_cl22_write(bp, phy,
  9291. MDIO_REG_GPHY_CL45_DATA_REG,
  9292. temp);
  9293. }
  9294. bnx2x_cl22_write(bp, phy,
  9295. 0x04,
  9296. an_10_100_val | fc_val);
  9297. if (phy->req_duplex == DUPLEX_FULL)
  9298. autoneg_val |= (1<<8);
  9299. bnx2x_cl22_write(bp, phy,
  9300. MDIO_PMA_REG_CTRL, autoneg_val);
  9301. return 0;
  9302. }
  9303. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9304. struct link_params *params, u8 mode)
  9305. {
  9306. struct bnx2x *bp = params->bp;
  9307. u16 temp;
  9308. bnx2x_cl22_write(bp, phy,
  9309. MDIO_REG_GPHY_SHADOW,
  9310. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9311. bnx2x_cl22_read(bp, phy,
  9312. MDIO_REG_GPHY_SHADOW,
  9313. &temp);
  9314. temp &= 0xff00;
  9315. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9316. switch (mode) {
  9317. case LED_MODE_FRONT_PANEL_OFF:
  9318. case LED_MODE_OFF:
  9319. temp |= 0x00ee;
  9320. break;
  9321. case LED_MODE_OPER:
  9322. temp |= 0x0001;
  9323. break;
  9324. case LED_MODE_ON:
  9325. temp |= 0x00ff;
  9326. break;
  9327. default:
  9328. break;
  9329. }
  9330. bnx2x_cl22_write(bp, phy,
  9331. MDIO_REG_GPHY_SHADOW,
  9332. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9333. return;
  9334. }
  9335. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9336. struct link_params *params)
  9337. {
  9338. struct bnx2x *bp = params->bp;
  9339. u32 cfg_pin;
  9340. u8 port;
  9341. /*
  9342. * In case of no EPIO routed to reset the GPHY, put it
  9343. * in low power mode.
  9344. */
  9345. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9346. /*
  9347. * This works with E3 only, no need to check the chip
  9348. * before determining the port.
  9349. */
  9350. port = params->port;
  9351. cfg_pin = (REG_RD(bp, params->shmem_base +
  9352. offsetof(struct shmem_region,
  9353. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9354. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9355. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9356. /* Drive pin low to put GPHY in reset. */
  9357. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9358. }
  9359. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9360. struct link_params *params,
  9361. struct link_vars *vars)
  9362. {
  9363. struct bnx2x *bp = params->bp;
  9364. u16 val;
  9365. u8 link_up = 0;
  9366. u16 legacy_status, legacy_speed;
  9367. /* Get speed operation status */
  9368. bnx2x_cl22_read(bp, phy,
  9369. 0x19,
  9370. &legacy_status);
  9371. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9372. /* Read status to clear the PHY interrupt. */
  9373. bnx2x_cl22_read(bp, phy,
  9374. MDIO_REG_INTR_STATUS,
  9375. &val);
  9376. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9377. if (link_up) {
  9378. legacy_speed = (legacy_status & (7<<8));
  9379. if (legacy_speed == (7<<8)) {
  9380. vars->line_speed = SPEED_1000;
  9381. vars->duplex = DUPLEX_FULL;
  9382. } else if (legacy_speed == (6<<8)) {
  9383. vars->line_speed = SPEED_1000;
  9384. vars->duplex = DUPLEX_HALF;
  9385. } else if (legacy_speed == (5<<8)) {
  9386. vars->line_speed = SPEED_100;
  9387. vars->duplex = DUPLEX_FULL;
  9388. }
  9389. /* Omitting 100Base-T4 for now */
  9390. else if (legacy_speed == (3<<8)) {
  9391. vars->line_speed = SPEED_100;
  9392. vars->duplex = DUPLEX_HALF;
  9393. } else if (legacy_speed == (2<<8)) {
  9394. vars->line_speed = SPEED_10;
  9395. vars->duplex = DUPLEX_FULL;
  9396. } else if (legacy_speed == (1<<8)) {
  9397. vars->line_speed = SPEED_10;
  9398. vars->duplex = DUPLEX_HALF;
  9399. } else /* Should not happen */
  9400. vars->line_speed = 0;
  9401. DP(NETIF_MSG_LINK,
  9402. "Link is up in %dMbps, is_duplex_full= %d\n",
  9403. vars->line_speed,
  9404. (vars->duplex == DUPLEX_FULL));
  9405. /* Check legacy speed AN resolution */
  9406. bnx2x_cl22_read(bp, phy,
  9407. 0x01,
  9408. &val);
  9409. if (val & (1<<5))
  9410. vars->link_status |=
  9411. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9412. bnx2x_cl22_read(bp, phy,
  9413. 0x06,
  9414. &val);
  9415. if ((val & (1<<0)) == 0)
  9416. vars->link_status |=
  9417. LINK_STATUS_PARALLEL_DETECTION_USED;
  9418. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9419. vars->line_speed);
  9420. /* Report whether EEE is resolved. */
  9421. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9422. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9423. if (vars->link_status &
  9424. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9425. val = 0;
  9426. else {
  9427. bnx2x_cl22_write(bp, phy,
  9428. MDIO_REG_GPHY_CL45_ADDR_REG,
  9429. MDIO_AN_DEVAD);
  9430. bnx2x_cl22_write(bp, phy,
  9431. MDIO_REG_GPHY_CL45_DATA_REG,
  9432. MDIO_REG_GPHY_EEE_RESOLVED);
  9433. bnx2x_cl22_write(bp, phy,
  9434. MDIO_REG_GPHY_CL45_ADDR_REG,
  9435. (0x1 << 14) | MDIO_AN_DEVAD);
  9436. bnx2x_cl22_read(bp, phy,
  9437. MDIO_REG_GPHY_CL45_DATA_REG,
  9438. &val);
  9439. }
  9440. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9441. }
  9442. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9443. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9444. /* report LP advertised speeds */
  9445. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9446. if (val & (1<<5))
  9447. vars->link_status |=
  9448. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9449. if (val & (1<<6))
  9450. vars->link_status |=
  9451. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9452. if (val & (1<<7))
  9453. vars->link_status |=
  9454. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9455. if (val & (1<<8))
  9456. vars->link_status |=
  9457. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9458. if (val & (1<<9))
  9459. vars->link_status |=
  9460. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9461. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9462. if (val & (1<<10))
  9463. vars->link_status |=
  9464. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9465. if (val & (1<<11))
  9466. vars->link_status |=
  9467. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9468. }
  9469. }
  9470. return link_up;
  9471. }
  9472. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9473. struct link_params *params)
  9474. {
  9475. struct bnx2x *bp = params->bp;
  9476. u16 val;
  9477. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9478. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9479. /* Enable master/slave manual mmode and set to master */
  9480. /* mii write 9 [bits set 11 12] */
  9481. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9482. /* forced 1G and disable autoneg */
  9483. /* set val [mii read 0] */
  9484. /* set val [expr $val & [bits clear 6 12 13]] */
  9485. /* set val [expr $val | [bits set 6 8]] */
  9486. /* mii write 0 $val */
  9487. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9488. val &= ~((1<<6) | (1<<12) | (1<<13));
  9489. val |= (1<<6) | (1<<8);
  9490. bnx2x_cl22_write(bp, phy, 0x00, val);
  9491. /* Set external loopback and Tx using 6dB coding */
  9492. /* mii write 0x18 7 */
  9493. /* set val [mii read 0x18] */
  9494. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9495. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9496. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9497. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9498. /* This register opens the gate for the UMAC despite its name */
  9499. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9500. /*
  9501. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9502. * length used by the MAC receive logic to check frames.
  9503. */
  9504. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9505. }
  9506. /******************************************************************/
  9507. /* SFX7101 PHY SECTION */
  9508. /******************************************************************/
  9509. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9510. struct link_params *params)
  9511. {
  9512. struct bnx2x *bp = params->bp;
  9513. /* SFX7101_XGXS_TEST1 */
  9514. bnx2x_cl45_write(bp, phy,
  9515. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9516. }
  9517. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9518. struct link_params *params,
  9519. struct link_vars *vars)
  9520. {
  9521. u16 fw_ver1, fw_ver2, val;
  9522. struct bnx2x *bp = params->bp;
  9523. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9524. /* Restore normal power mode*/
  9525. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9526. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9527. /* HW reset */
  9528. bnx2x_ext_phy_hw_reset(bp, params->port);
  9529. bnx2x_wait_reset_complete(bp, phy, params);
  9530. bnx2x_cl45_write(bp, phy,
  9531. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9532. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9533. bnx2x_cl45_write(bp, phy,
  9534. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9535. bnx2x_ext_phy_set_pause(params, phy, vars);
  9536. /* Restart autoneg */
  9537. bnx2x_cl45_read(bp, phy,
  9538. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9539. val |= 0x200;
  9540. bnx2x_cl45_write(bp, phy,
  9541. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9542. /* Save spirom version */
  9543. bnx2x_cl45_read(bp, phy,
  9544. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9545. bnx2x_cl45_read(bp, phy,
  9546. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9547. bnx2x_save_spirom_version(bp, params->port,
  9548. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9549. return 0;
  9550. }
  9551. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9552. struct link_params *params,
  9553. struct link_vars *vars)
  9554. {
  9555. struct bnx2x *bp = params->bp;
  9556. u8 link_up;
  9557. u16 val1, val2;
  9558. bnx2x_cl45_read(bp, phy,
  9559. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9560. bnx2x_cl45_read(bp, phy,
  9561. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9562. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9563. val2, val1);
  9564. bnx2x_cl45_read(bp, phy,
  9565. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9566. bnx2x_cl45_read(bp, phy,
  9567. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9568. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9569. val2, val1);
  9570. link_up = ((val1 & 4) == 4);
  9571. /* if link is up print the AN outcome of the SFX7101 PHY */
  9572. if (link_up) {
  9573. bnx2x_cl45_read(bp, phy,
  9574. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9575. &val2);
  9576. vars->line_speed = SPEED_10000;
  9577. vars->duplex = DUPLEX_FULL;
  9578. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9579. val2, (val2 & (1<<14)));
  9580. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9581. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9582. /* read LP advertised speeds */
  9583. if (val2 & (1<<11))
  9584. vars->link_status |=
  9585. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9586. }
  9587. return link_up;
  9588. }
  9589. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9590. {
  9591. if (*len < 5)
  9592. return -EINVAL;
  9593. str[0] = (spirom_ver & 0xFF);
  9594. str[1] = (spirom_ver & 0xFF00) >> 8;
  9595. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9596. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9597. str[4] = '\0';
  9598. *len -= 5;
  9599. return 0;
  9600. }
  9601. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9602. {
  9603. u16 val, cnt;
  9604. bnx2x_cl45_read(bp, phy,
  9605. MDIO_PMA_DEVAD,
  9606. MDIO_PMA_REG_7101_RESET, &val);
  9607. for (cnt = 0; cnt < 10; cnt++) {
  9608. msleep(50);
  9609. /* Writes a self-clearing reset */
  9610. bnx2x_cl45_write(bp, phy,
  9611. MDIO_PMA_DEVAD,
  9612. MDIO_PMA_REG_7101_RESET,
  9613. (val | (1<<15)));
  9614. /* Wait for clear */
  9615. bnx2x_cl45_read(bp, phy,
  9616. MDIO_PMA_DEVAD,
  9617. MDIO_PMA_REG_7101_RESET, &val);
  9618. if ((val & (1<<15)) == 0)
  9619. break;
  9620. }
  9621. }
  9622. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9623. struct link_params *params) {
  9624. /* Low power mode is controlled by GPIO 2 */
  9625. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9626. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9627. /* The PHY reset is controlled by GPIO 1 */
  9628. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9629. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9630. }
  9631. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9632. struct link_params *params, u8 mode)
  9633. {
  9634. u16 val = 0;
  9635. struct bnx2x *bp = params->bp;
  9636. switch (mode) {
  9637. case LED_MODE_FRONT_PANEL_OFF:
  9638. case LED_MODE_OFF:
  9639. val = 2;
  9640. break;
  9641. case LED_MODE_ON:
  9642. val = 1;
  9643. break;
  9644. case LED_MODE_OPER:
  9645. val = 0;
  9646. break;
  9647. }
  9648. bnx2x_cl45_write(bp, phy,
  9649. MDIO_PMA_DEVAD,
  9650. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9651. val);
  9652. }
  9653. /******************************************************************/
  9654. /* STATIC PHY DECLARATION */
  9655. /******************************************************************/
  9656. static struct bnx2x_phy phy_null = {
  9657. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9658. .addr = 0,
  9659. .def_md_devad = 0,
  9660. .flags = FLAGS_INIT_XGXS_FIRST,
  9661. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9662. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9663. .mdio_ctrl = 0,
  9664. .supported = 0,
  9665. .media_type = ETH_PHY_NOT_PRESENT,
  9666. .ver_addr = 0,
  9667. .req_flow_ctrl = 0,
  9668. .req_line_speed = 0,
  9669. .speed_cap_mask = 0,
  9670. .req_duplex = 0,
  9671. .rsrv = 0,
  9672. .config_init = (config_init_t)NULL,
  9673. .read_status = (read_status_t)NULL,
  9674. .link_reset = (link_reset_t)NULL,
  9675. .config_loopback = (config_loopback_t)NULL,
  9676. .format_fw_ver = (format_fw_ver_t)NULL,
  9677. .hw_reset = (hw_reset_t)NULL,
  9678. .set_link_led = (set_link_led_t)NULL,
  9679. .phy_specific_func = (phy_specific_func_t)NULL
  9680. };
  9681. static struct bnx2x_phy phy_serdes = {
  9682. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9683. .addr = 0xff,
  9684. .def_md_devad = 0,
  9685. .flags = 0,
  9686. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9687. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9688. .mdio_ctrl = 0,
  9689. .supported = (SUPPORTED_10baseT_Half |
  9690. SUPPORTED_10baseT_Full |
  9691. SUPPORTED_100baseT_Half |
  9692. SUPPORTED_100baseT_Full |
  9693. SUPPORTED_1000baseT_Full |
  9694. SUPPORTED_2500baseX_Full |
  9695. SUPPORTED_TP |
  9696. SUPPORTED_Autoneg |
  9697. SUPPORTED_Pause |
  9698. SUPPORTED_Asym_Pause),
  9699. .media_type = ETH_PHY_BASE_T,
  9700. .ver_addr = 0,
  9701. .req_flow_ctrl = 0,
  9702. .req_line_speed = 0,
  9703. .speed_cap_mask = 0,
  9704. .req_duplex = 0,
  9705. .rsrv = 0,
  9706. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9707. .read_status = (read_status_t)bnx2x_link_settings_status,
  9708. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9709. .config_loopback = (config_loopback_t)NULL,
  9710. .format_fw_ver = (format_fw_ver_t)NULL,
  9711. .hw_reset = (hw_reset_t)NULL,
  9712. .set_link_led = (set_link_led_t)NULL,
  9713. .phy_specific_func = (phy_specific_func_t)NULL
  9714. };
  9715. static struct bnx2x_phy phy_xgxs = {
  9716. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9717. .addr = 0xff,
  9718. .def_md_devad = 0,
  9719. .flags = 0,
  9720. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9721. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9722. .mdio_ctrl = 0,
  9723. .supported = (SUPPORTED_10baseT_Half |
  9724. SUPPORTED_10baseT_Full |
  9725. SUPPORTED_100baseT_Half |
  9726. SUPPORTED_100baseT_Full |
  9727. SUPPORTED_1000baseT_Full |
  9728. SUPPORTED_2500baseX_Full |
  9729. SUPPORTED_10000baseT_Full |
  9730. SUPPORTED_FIBRE |
  9731. SUPPORTED_Autoneg |
  9732. SUPPORTED_Pause |
  9733. SUPPORTED_Asym_Pause),
  9734. .media_type = ETH_PHY_CX4,
  9735. .ver_addr = 0,
  9736. .req_flow_ctrl = 0,
  9737. .req_line_speed = 0,
  9738. .speed_cap_mask = 0,
  9739. .req_duplex = 0,
  9740. .rsrv = 0,
  9741. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9742. .read_status = (read_status_t)bnx2x_link_settings_status,
  9743. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9744. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9745. .format_fw_ver = (format_fw_ver_t)NULL,
  9746. .hw_reset = (hw_reset_t)NULL,
  9747. .set_link_led = (set_link_led_t)NULL,
  9748. .phy_specific_func = (phy_specific_func_t)NULL
  9749. };
  9750. static struct bnx2x_phy phy_warpcore = {
  9751. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9752. .addr = 0xff,
  9753. .def_md_devad = 0,
  9754. .flags = FLAGS_HW_LOCK_REQUIRED,
  9755. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9756. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9757. .mdio_ctrl = 0,
  9758. .supported = (SUPPORTED_10baseT_Half |
  9759. SUPPORTED_10baseT_Full |
  9760. SUPPORTED_100baseT_Half |
  9761. SUPPORTED_100baseT_Full |
  9762. SUPPORTED_1000baseT_Full |
  9763. SUPPORTED_10000baseT_Full |
  9764. SUPPORTED_20000baseKR2_Full |
  9765. SUPPORTED_20000baseMLD2_Full |
  9766. SUPPORTED_FIBRE |
  9767. SUPPORTED_Autoneg |
  9768. SUPPORTED_Pause |
  9769. SUPPORTED_Asym_Pause),
  9770. .media_type = ETH_PHY_UNSPECIFIED,
  9771. .ver_addr = 0,
  9772. .req_flow_ctrl = 0,
  9773. .req_line_speed = 0,
  9774. .speed_cap_mask = 0,
  9775. /* req_duplex = */0,
  9776. /* rsrv = */0,
  9777. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9778. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9779. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9780. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9781. .format_fw_ver = (format_fw_ver_t)NULL,
  9782. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9783. .set_link_led = (set_link_led_t)NULL,
  9784. .phy_specific_func = (phy_specific_func_t)NULL
  9785. };
  9786. static struct bnx2x_phy phy_7101 = {
  9787. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9788. .addr = 0xff,
  9789. .def_md_devad = 0,
  9790. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9791. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9792. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9793. .mdio_ctrl = 0,
  9794. .supported = (SUPPORTED_10000baseT_Full |
  9795. SUPPORTED_TP |
  9796. SUPPORTED_Autoneg |
  9797. SUPPORTED_Pause |
  9798. SUPPORTED_Asym_Pause),
  9799. .media_type = ETH_PHY_BASE_T,
  9800. .ver_addr = 0,
  9801. .req_flow_ctrl = 0,
  9802. .req_line_speed = 0,
  9803. .speed_cap_mask = 0,
  9804. .req_duplex = 0,
  9805. .rsrv = 0,
  9806. .config_init = (config_init_t)bnx2x_7101_config_init,
  9807. .read_status = (read_status_t)bnx2x_7101_read_status,
  9808. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9809. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9810. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9811. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9812. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9813. .phy_specific_func = (phy_specific_func_t)NULL
  9814. };
  9815. static struct bnx2x_phy phy_8073 = {
  9816. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9817. .addr = 0xff,
  9818. .def_md_devad = 0,
  9819. .flags = FLAGS_HW_LOCK_REQUIRED,
  9820. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9821. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9822. .mdio_ctrl = 0,
  9823. .supported = (SUPPORTED_10000baseT_Full |
  9824. SUPPORTED_2500baseX_Full |
  9825. SUPPORTED_1000baseT_Full |
  9826. SUPPORTED_FIBRE |
  9827. SUPPORTED_Autoneg |
  9828. SUPPORTED_Pause |
  9829. SUPPORTED_Asym_Pause),
  9830. .media_type = ETH_PHY_KR,
  9831. .ver_addr = 0,
  9832. .req_flow_ctrl = 0,
  9833. .req_line_speed = 0,
  9834. .speed_cap_mask = 0,
  9835. .req_duplex = 0,
  9836. .rsrv = 0,
  9837. .config_init = (config_init_t)bnx2x_8073_config_init,
  9838. .read_status = (read_status_t)bnx2x_8073_read_status,
  9839. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9840. .config_loopback = (config_loopback_t)NULL,
  9841. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9842. .hw_reset = (hw_reset_t)NULL,
  9843. .set_link_led = (set_link_led_t)NULL,
  9844. .phy_specific_func = (phy_specific_func_t)NULL
  9845. };
  9846. static struct bnx2x_phy phy_8705 = {
  9847. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9848. .addr = 0xff,
  9849. .def_md_devad = 0,
  9850. .flags = FLAGS_INIT_XGXS_FIRST,
  9851. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9852. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9853. .mdio_ctrl = 0,
  9854. .supported = (SUPPORTED_10000baseT_Full |
  9855. SUPPORTED_FIBRE |
  9856. SUPPORTED_Pause |
  9857. SUPPORTED_Asym_Pause),
  9858. .media_type = ETH_PHY_XFP_FIBER,
  9859. .ver_addr = 0,
  9860. .req_flow_ctrl = 0,
  9861. .req_line_speed = 0,
  9862. .speed_cap_mask = 0,
  9863. .req_duplex = 0,
  9864. .rsrv = 0,
  9865. .config_init = (config_init_t)bnx2x_8705_config_init,
  9866. .read_status = (read_status_t)bnx2x_8705_read_status,
  9867. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9868. .config_loopback = (config_loopback_t)NULL,
  9869. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9870. .hw_reset = (hw_reset_t)NULL,
  9871. .set_link_led = (set_link_led_t)NULL,
  9872. .phy_specific_func = (phy_specific_func_t)NULL
  9873. };
  9874. static struct bnx2x_phy phy_8706 = {
  9875. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9876. .addr = 0xff,
  9877. .def_md_devad = 0,
  9878. .flags = FLAGS_INIT_XGXS_FIRST,
  9879. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9880. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9881. .mdio_ctrl = 0,
  9882. .supported = (SUPPORTED_10000baseT_Full |
  9883. SUPPORTED_1000baseT_Full |
  9884. SUPPORTED_FIBRE |
  9885. SUPPORTED_Pause |
  9886. SUPPORTED_Asym_Pause),
  9887. .media_type = ETH_PHY_SFP_FIBER,
  9888. .ver_addr = 0,
  9889. .req_flow_ctrl = 0,
  9890. .req_line_speed = 0,
  9891. .speed_cap_mask = 0,
  9892. .req_duplex = 0,
  9893. .rsrv = 0,
  9894. .config_init = (config_init_t)bnx2x_8706_config_init,
  9895. .read_status = (read_status_t)bnx2x_8706_read_status,
  9896. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9897. .config_loopback = (config_loopback_t)NULL,
  9898. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9899. .hw_reset = (hw_reset_t)NULL,
  9900. .set_link_led = (set_link_led_t)NULL,
  9901. .phy_specific_func = (phy_specific_func_t)NULL
  9902. };
  9903. static struct bnx2x_phy phy_8726 = {
  9904. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9905. .addr = 0xff,
  9906. .def_md_devad = 0,
  9907. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9908. FLAGS_INIT_XGXS_FIRST),
  9909. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9910. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9911. .mdio_ctrl = 0,
  9912. .supported = (SUPPORTED_10000baseT_Full |
  9913. SUPPORTED_1000baseT_Full |
  9914. SUPPORTED_Autoneg |
  9915. SUPPORTED_FIBRE |
  9916. SUPPORTED_Pause |
  9917. SUPPORTED_Asym_Pause),
  9918. .media_type = ETH_PHY_NOT_PRESENT,
  9919. .ver_addr = 0,
  9920. .req_flow_ctrl = 0,
  9921. .req_line_speed = 0,
  9922. .speed_cap_mask = 0,
  9923. .req_duplex = 0,
  9924. .rsrv = 0,
  9925. .config_init = (config_init_t)bnx2x_8726_config_init,
  9926. .read_status = (read_status_t)bnx2x_8726_read_status,
  9927. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9928. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9929. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9930. .hw_reset = (hw_reset_t)NULL,
  9931. .set_link_led = (set_link_led_t)NULL,
  9932. .phy_specific_func = (phy_specific_func_t)NULL
  9933. };
  9934. static struct bnx2x_phy phy_8727 = {
  9935. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9936. .addr = 0xff,
  9937. .def_md_devad = 0,
  9938. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9939. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9940. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9941. .mdio_ctrl = 0,
  9942. .supported = (SUPPORTED_10000baseT_Full |
  9943. SUPPORTED_1000baseT_Full |
  9944. SUPPORTED_FIBRE |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause),
  9947. .media_type = ETH_PHY_NOT_PRESENT,
  9948. .ver_addr = 0,
  9949. .req_flow_ctrl = 0,
  9950. .req_line_speed = 0,
  9951. .speed_cap_mask = 0,
  9952. .req_duplex = 0,
  9953. .rsrv = 0,
  9954. .config_init = (config_init_t)bnx2x_8727_config_init,
  9955. .read_status = (read_status_t)bnx2x_8727_read_status,
  9956. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9957. .config_loopback = (config_loopback_t)NULL,
  9958. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9959. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9960. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9961. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9962. };
  9963. static struct bnx2x_phy phy_8481 = {
  9964. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9965. .addr = 0xff,
  9966. .def_md_devad = 0,
  9967. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9968. FLAGS_REARM_LATCH_SIGNAL,
  9969. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9970. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9971. .mdio_ctrl = 0,
  9972. .supported = (SUPPORTED_10baseT_Half |
  9973. SUPPORTED_10baseT_Full |
  9974. SUPPORTED_100baseT_Half |
  9975. SUPPORTED_100baseT_Full |
  9976. SUPPORTED_1000baseT_Full |
  9977. SUPPORTED_10000baseT_Full |
  9978. SUPPORTED_TP |
  9979. SUPPORTED_Autoneg |
  9980. SUPPORTED_Pause |
  9981. SUPPORTED_Asym_Pause),
  9982. .media_type = ETH_PHY_BASE_T,
  9983. .ver_addr = 0,
  9984. .req_flow_ctrl = 0,
  9985. .req_line_speed = 0,
  9986. .speed_cap_mask = 0,
  9987. .req_duplex = 0,
  9988. .rsrv = 0,
  9989. .config_init = (config_init_t)bnx2x_8481_config_init,
  9990. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9991. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9992. .config_loopback = (config_loopback_t)NULL,
  9993. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9994. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9995. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9996. .phy_specific_func = (phy_specific_func_t)NULL
  9997. };
  9998. static struct bnx2x_phy phy_84823 = {
  9999. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10000. .addr = 0xff,
  10001. .def_md_devad = 0,
  10002. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10003. FLAGS_REARM_LATCH_SIGNAL,
  10004. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10005. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10006. .mdio_ctrl = 0,
  10007. .supported = (SUPPORTED_10baseT_Half |
  10008. SUPPORTED_10baseT_Full |
  10009. SUPPORTED_100baseT_Half |
  10010. SUPPORTED_100baseT_Full |
  10011. SUPPORTED_1000baseT_Full |
  10012. SUPPORTED_10000baseT_Full |
  10013. SUPPORTED_TP |
  10014. SUPPORTED_Autoneg |
  10015. SUPPORTED_Pause |
  10016. SUPPORTED_Asym_Pause),
  10017. .media_type = ETH_PHY_BASE_T,
  10018. .ver_addr = 0,
  10019. .req_flow_ctrl = 0,
  10020. .req_line_speed = 0,
  10021. .speed_cap_mask = 0,
  10022. .req_duplex = 0,
  10023. .rsrv = 0,
  10024. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10025. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10026. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10027. .config_loopback = (config_loopback_t)NULL,
  10028. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10029. .hw_reset = (hw_reset_t)NULL,
  10030. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10031. .phy_specific_func = (phy_specific_func_t)NULL
  10032. };
  10033. static struct bnx2x_phy phy_84833 = {
  10034. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10035. .addr = 0xff,
  10036. .def_md_devad = 0,
  10037. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10038. FLAGS_REARM_LATCH_SIGNAL,
  10039. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10040. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10041. .mdio_ctrl = 0,
  10042. .supported = (SUPPORTED_100baseT_Half |
  10043. SUPPORTED_100baseT_Full |
  10044. SUPPORTED_1000baseT_Full |
  10045. SUPPORTED_10000baseT_Full |
  10046. SUPPORTED_TP |
  10047. SUPPORTED_Autoneg |
  10048. SUPPORTED_Pause |
  10049. SUPPORTED_Asym_Pause),
  10050. .media_type = ETH_PHY_BASE_T,
  10051. .ver_addr = 0,
  10052. .req_flow_ctrl = 0,
  10053. .req_line_speed = 0,
  10054. .speed_cap_mask = 0,
  10055. .req_duplex = 0,
  10056. .rsrv = 0,
  10057. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10058. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10059. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10060. .config_loopback = (config_loopback_t)NULL,
  10061. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10062. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10063. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10064. .phy_specific_func = (phy_specific_func_t)NULL
  10065. };
  10066. static struct bnx2x_phy phy_54618se = {
  10067. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10068. .addr = 0xff,
  10069. .def_md_devad = 0,
  10070. .flags = FLAGS_INIT_XGXS_FIRST,
  10071. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10072. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10073. .mdio_ctrl = 0,
  10074. .supported = (SUPPORTED_10baseT_Half |
  10075. SUPPORTED_10baseT_Full |
  10076. SUPPORTED_100baseT_Half |
  10077. SUPPORTED_100baseT_Full |
  10078. SUPPORTED_1000baseT_Full |
  10079. SUPPORTED_TP |
  10080. SUPPORTED_Autoneg |
  10081. SUPPORTED_Pause |
  10082. SUPPORTED_Asym_Pause),
  10083. .media_type = ETH_PHY_BASE_T,
  10084. .ver_addr = 0,
  10085. .req_flow_ctrl = 0,
  10086. .req_line_speed = 0,
  10087. .speed_cap_mask = 0,
  10088. /* req_duplex = */0,
  10089. /* rsrv = */0,
  10090. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10091. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10092. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10093. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10094. .format_fw_ver = (format_fw_ver_t)NULL,
  10095. .hw_reset = (hw_reset_t)NULL,
  10096. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10097. .phy_specific_func = (phy_specific_func_t)NULL
  10098. };
  10099. /*****************************************************************/
  10100. /* */
  10101. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10102. /* */
  10103. /*****************************************************************/
  10104. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10105. struct bnx2x_phy *phy, u8 port,
  10106. u8 phy_index)
  10107. {
  10108. /* Get the 4 lanes xgxs config rx and tx */
  10109. u32 rx = 0, tx = 0, i;
  10110. for (i = 0; i < 2; i++) {
  10111. /*
  10112. * INT_PHY and EXT_PHY1 share the same value location in the
  10113. * shmem. When num_phys is greater than 1, than this value
  10114. * applies only to EXT_PHY1
  10115. */
  10116. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10117. rx = REG_RD(bp, shmem_base +
  10118. offsetof(struct shmem_region,
  10119. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10120. tx = REG_RD(bp, shmem_base +
  10121. offsetof(struct shmem_region,
  10122. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10123. } else {
  10124. rx = REG_RD(bp, shmem_base +
  10125. offsetof(struct shmem_region,
  10126. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10127. tx = REG_RD(bp, shmem_base +
  10128. offsetof(struct shmem_region,
  10129. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10130. }
  10131. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10132. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10133. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10134. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10135. }
  10136. }
  10137. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10138. u8 phy_index, u8 port)
  10139. {
  10140. u32 ext_phy_config = 0;
  10141. switch (phy_index) {
  10142. case EXT_PHY1:
  10143. ext_phy_config = REG_RD(bp, shmem_base +
  10144. offsetof(struct shmem_region,
  10145. dev_info.port_hw_config[port].external_phy_config));
  10146. break;
  10147. case EXT_PHY2:
  10148. ext_phy_config = REG_RD(bp, shmem_base +
  10149. offsetof(struct shmem_region,
  10150. dev_info.port_hw_config[port].external_phy_config2));
  10151. break;
  10152. default:
  10153. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10154. return -EINVAL;
  10155. }
  10156. return ext_phy_config;
  10157. }
  10158. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10159. struct bnx2x_phy *phy)
  10160. {
  10161. u32 phy_addr;
  10162. u32 chip_id;
  10163. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10164. offsetof(struct shmem_region,
  10165. dev_info.port_feature_config[port].link_config)) &
  10166. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10167. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10168. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10169. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10170. if (USES_WARPCORE(bp)) {
  10171. u32 serdes_net_if;
  10172. phy_addr = REG_RD(bp,
  10173. MISC_REG_WC0_CTRL_PHY_ADDR);
  10174. *phy = phy_warpcore;
  10175. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10176. phy->flags |= FLAGS_4_PORT_MODE;
  10177. else
  10178. phy->flags &= ~FLAGS_4_PORT_MODE;
  10179. /* Check Dual mode */
  10180. serdes_net_if = (REG_RD(bp, shmem_base +
  10181. offsetof(struct shmem_region, dev_info.
  10182. port_hw_config[port].default_cfg)) &
  10183. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10184. /*
  10185. * Set the appropriate supported and flags indications per
  10186. * interface type of the chip
  10187. */
  10188. switch (serdes_net_if) {
  10189. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10190. phy->supported &= (SUPPORTED_10baseT_Half |
  10191. SUPPORTED_10baseT_Full |
  10192. SUPPORTED_100baseT_Half |
  10193. SUPPORTED_100baseT_Full |
  10194. SUPPORTED_1000baseT_Full |
  10195. SUPPORTED_FIBRE |
  10196. SUPPORTED_Autoneg |
  10197. SUPPORTED_Pause |
  10198. SUPPORTED_Asym_Pause);
  10199. phy->media_type = ETH_PHY_BASE_T;
  10200. break;
  10201. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10202. phy->media_type = ETH_PHY_XFP_FIBER;
  10203. break;
  10204. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10205. phy->supported &= (SUPPORTED_1000baseT_Full |
  10206. SUPPORTED_10000baseT_Full |
  10207. SUPPORTED_FIBRE |
  10208. SUPPORTED_Pause |
  10209. SUPPORTED_Asym_Pause);
  10210. phy->media_type = ETH_PHY_SFP_FIBER;
  10211. break;
  10212. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10213. phy->media_type = ETH_PHY_KR;
  10214. phy->supported &= (SUPPORTED_1000baseT_Full |
  10215. SUPPORTED_10000baseT_Full |
  10216. SUPPORTED_FIBRE |
  10217. SUPPORTED_Autoneg |
  10218. SUPPORTED_Pause |
  10219. SUPPORTED_Asym_Pause);
  10220. break;
  10221. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10222. phy->media_type = ETH_PHY_KR;
  10223. phy->flags |= FLAGS_WC_DUAL_MODE;
  10224. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10225. SUPPORTED_FIBRE |
  10226. SUPPORTED_Pause |
  10227. SUPPORTED_Asym_Pause);
  10228. break;
  10229. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10230. phy->media_type = ETH_PHY_KR;
  10231. phy->flags |= FLAGS_WC_DUAL_MODE;
  10232. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10233. SUPPORTED_FIBRE |
  10234. SUPPORTED_Pause |
  10235. SUPPORTED_Asym_Pause);
  10236. break;
  10237. default:
  10238. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10239. serdes_net_if);
  10240. break;
  10241. }
  10242. /*
  10243. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10244. * was not set as expected. For B0, ECO will be enabled so there
  10245. * won't be an issue there
  10246. */
  10247. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10248. phy->flags |= FLAGS_MDC_MDIO_WA;
  10249. else
  10250. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10251. } else {
  10252. switch (switch_cfg) {
  10253. case SWITCH_CFG_1G:
  10254. phy_addr = REG_RD(bp,
  10255. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10256. port * 0x10);
  10257. *phy = phy_serdes;
  10258. break;
  10259. case SWITCH_CFG_10G:
  10260. phy_addr = REG_RD(bp,
  10261. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10262. port * 0x18);
  10263. *phy = phy_xgxs;
  10264. break;
  10265. default:
  10266. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10267. return -EINVAL;
  10268. }
  10269. }
  10270. phy->addr = (u8)phy_addr;
  10271. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10272. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10273. port);
  10274. if (CHIP_IS_E2(bp))
  10275. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10276. else
  10277. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10278. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10279. port, phy->addr, phy->mdio_ctrl);
  10280. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10281. return 0;
  10282. }
  10283. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10284. u8 phy_index,
  10285. u32 shmem_base,
  10286. u32 shmem2_base,
  10287. u8 port,
  10288. struct bnx2x_phy *phy)
  10289. {
  10290. u32 ext_phy_config, phy_type, config2;
  10291. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10292. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10293. phy_index, port);
  10294. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10295. /* Select the phy type */
  10296. switch (phy_type) {
  10297. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10298. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10299. *phy = phy_8073;
  10300. break;
  10301. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10302. *phy = phy_8705;
  10303. break;
  10304. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10305. *phy = phy_8706;
  10306. break;
  10307. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10308. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10309. *phy = phy_8726;
  10310. break;
  10311. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10312. /* BCM8727_NOC => BCM8727 no over current */
  10313. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10314. *phy = phy_8727;
  10315. phy->flags |= FLAGS_NOC;
  10316. break;
  10317. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10318. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10319. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10320. *phy = phy_8727;
  10321. break;
  10322. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10323. *phy = phy_8481;
  10324. break;
  10325. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10326. *phy = phy_84823;
  10327. break;
  10328. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10329. *phy = phy_84833;
  10330. break;
  10331. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10332. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10333. *phy = phy_54618se;
  10334. break;
  10335. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10336. *phy = phy_7101;
  10337. break;
  10338. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10339. *phy = phy_null;
  10340. return -EINVAL;
  10341. default:
  10342. *phy = phy_null;
  10343. /* In case external PHY wasn't found */
  10344. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10345. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10346. return -EINVAL;
  10347. return 0;
  10348. }
  10349. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10350. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10351. /*
  10352. * The shmem address of the phy version is located on different
  10353. * structures. In case this structure is too old, do not set
  10354. * the address
  10355. */
  10356. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10357. dev_info.shared_hw_config.config2));
  10358. if (phy_index == EXT_PHY1) {
  10359. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10360. port_mb[port].ext_phy_fw_version);
  10361. /* Check specific mdc mdio settings */
  10362. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10363. mdc_mdio_access = config2 &
  10364. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10365. } else {
  10366. u32 size = REG_RD(bp, shmem2_base);
  10367. if (size >
  10368. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10369. phy->ver_addr = shmem2_base +
  10370. offsetof(struct shmem2_region,
  10371. ext_phy_fw_version2[port]);
  10372. }
  10373. /* Check specific mdc mdio settings */
  10374. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10375. mdc_mdio_access = (config2 &
  10376. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10377. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10378. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10379. }
  10380. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10381. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10382. (phy->ver_addr)) {
  10383. /*
  10384. * Remove 100Mb link supported for BCM84833 when phy fw
  10385. * version lower than or equal to 1.39
  10386. */
  10387. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10388. if (((raw_ver & 0x7F) <= 39) &&
  10389. (((raw_ver & 0xF80) >> 7) <= 1))
  10390. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10391. SUPPORTED_100baseT_Full);
  10392. }
  10393. /*
  10394. * In case mdc/mdio_access of the external phy is different than the
  10395. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10396. * to prevent one port interfere with another port's CL45 operations.
  10397. */
  10398. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10399. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10400. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10401. phy_type, port, phy_index);
  10402. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10403. phy->addr, phy->mdio_ctrl);
  10404. return 0;
  10405. }
  10406. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10407. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10408. {
  10409. int status = 0;
  10410. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10411. if (phy_index == INT_PHY)
  10412. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10413. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10414. port, phy);
  10415. return status;
  10416. }
  10417. static void bnx2x_phy_def_cfg(struct link_params *params,
  10418. struct bnx2x_phy *phy,
  10419. u8 phy_index)
  10420. {
  10421. struct bnx2x *bp = params->bp;
  10422. u32 link_config;
  10423. /* Populate the default phy configuration for MF mode */
  10424. if (phy_index == EXT_PHY2) {
  10425. link_config = REG_RD(bp, params->shmem_base +
  10426. offsetof(struct shmem_region, dev_info.
  10427. port_feature_config[params->port].link_config2));
  10428. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10429. offsetof(struct shmem_region,
  10430. dev_info.
  10431. port_hw_config[params->port].speed_capability_mask2));
  10432. } else {
  10433. link_config = REG_RD(bp, params->shmem_base +
  10434. offsetof(struct shmem_region, dev_info.
  10435. port_feature_config[params->port].link_config));
  10436. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10437. offsetof(struct shmem_region,
  10438. dev_info.
  10439. port_hw_config[params->port].speed_capability_mask));
  10440. }
  10441. DP(NETIF_MSG_LINK,
  10442. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10443. phy_index, link_config, phy->speed_cap_mask);
  10444. phy->req_duplex = DUPLEX_FULL;
  10445. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10446. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10447. phy->req_duplex = DUPLEX_HALF;
  10448. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10449. phy->req_line_speed = SPEED_10;
  10450. break;
  10451. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10452. phy->req_duplex = DUPLEX_HALF;
  10453. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10454. phy->req_line_speed = SPEED_100;
  10455. break;
  10456. case PORT_FEATURE_LINK_SPEED_1G:
  10457. phy->req_line_speed = SPEED_1000;
  10458. break;
  10459. case PORT_FEATURE_LINK_SPEED_2_5G:
  10460. phy->req_line_speed = SPEED_2500;
  10461. break;
  10462. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10463. phy->req_line_speed = SPEED_10000;
  10464. break;
  10465. default:
  10466. phy->req_line_speed = SPEED_AUTO_NEG;
  10467. break;
  10468. }
  10469. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10470. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10471. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10472. break;
  10473. case PORT_FEATURE_FLOW_CONTROL_TX:
  10474. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10475. break;
  10476. case PORT_FEATURE_FLOW_CONTROL_RX:
  10477. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10478. break;
  10479. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10480. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10481. break;
  10482. default:
  10483. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10484. break;
  10485. }
  10486. }
  10487. u32 bnx2x_phy_selection(struct link_params *params)
  10488. {
  10489. u32 phy_config_swapped, prio_cfg;
  10490. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10491. phy_config_swapped = params->multi_phy_config &
  10492. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10493. prio_cfg = params->multi_phy_config &
  10494. PORT_HW_CFG_PHY_SELECTION_MASK;
  10495. if (phy_config_swapped) {
  10496. switch (prio_cfg) {
  10497. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10498. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10499. break;
  10500. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10501. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10502. break;
  10503. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10504. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10505. break;
  10506. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10507. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10508. break;
  10509. }
  10510. } else
  10511. return_cfg = prio_cfg;
  10512. return return_cfg;
  10513. }
  10514. int bnx2x_phy_probe(struct link_params *params)
  10515. {
  10516. u8 phy_index, actual_phy_idx;
  10517. u32 phy_config_swapped, sync_offset, media_types;
  10518. struct bnx2x *bp = params->bp;
  10519. struct bnx2x_phy *phy;
  10520. params->num_phys = 0;
  10521. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10522. phy_config_swapped = params->multi_phy_config &
  10523. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10524. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10525. phy_index++) {
  10526. actual_phy_idx = phy_index;
  10527. if (phy_config_swapped) {
  10528. if (phy_index == EXT_PHY1)
  10529. actual_phy_idx = EXT_PHY2;
  10530. else if (phy_index == EXT_PHY2)
  10531. actual_phy_idx = EXT_PHY1;
  10532. }
  10533. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10534. " actual_phy_idx %x\n", phy_config_swapped,
  10535. phy_index, actual_phy_idx);
  10536. phy = &params->phy[actual_phy_idx];
  10537. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10538. params->shmem2_base, params->port,
  10539. phy) != 0) {
  10540. params->num_phys = 0;
  10541. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10542. phy_index);
  10543. for (phy_index = INT_PHY;
  10544. phy_index < MAX_PHYS;
  10545. phy_index++)
  10546. *phy = phy_null;
  10547. return -EINVAL;
  10548. }
  10549. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10550. break;
  10551. sync_offset = params->shmem_base +
  10552. offsetof(struct shmem_region,
  10553. dev_info.port_hw_config[params->port].media_type);
  10554. media_types = REG_RD(bp, sync_offset);
  10555. /*
  10556. * Update media type for non-PMF sync only for the first time
  10557. * In case the media type changes afterwards, it will be updated
  10558. * using the update_status function
  10559. */
  10560. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10561. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10562. actual_phy_idx))) == 0) {
  10563. media_types |= ((phy->media_type &
  10564. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10565. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10566. actual_phy_idx));
  10567. }
  10568. REG_WR(bp, sync_offset, media_types);
  10569. bnx2x_phy_def_cfg(params, phy, phy_index);
  10570. params->num_phys++;
  10571. }
  10572. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10573. return 0;
  10574. }
  10575. void bnx2x_init_bmac_loopback(struct link_params *params,
  10576. struct link_vars *vars)
  10577. {
  10578. struct bnx2x *bp = params->bp;
  10579. vars->link_up = 1;
  10580. vars->line_speed = SPEED_10000;
  10581. vars->duplex = DUPLEX_FULL;
  10582. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10583. vars->mac_type = MAC_TYPE_BMAC;
  10584. vars->phy_flags = PHY_XGXS_FLAG;
  10585. bnx2x_xgxs_deassert(params);
  10586. /* set bmac loopback */
  10587. bnx2x_bmac_enable(params, vars, 1);
  10588. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10589. }
  10590. void bnx2x_init_emac_loopback(struct link_params *params,
  10591. struct link_vars *vars)
  10592. {
  10593. struct bnx2x *bp = params->bp;
  10594. vars->link_up = 1;
  10595. vars->line_speed = SPEED_1000;
  10596. vars->duplex = DUPLEX_FULL;
  10597. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10598. vars->mac_type = MAC_TYPE_EMAC;
  10599. vars->phy_flags = PHY_XGXS_FLAG;
  10600. bnx2x_xgxs_deassert(params);
  10601. /* set bmac loopback */
  10602. bnx2x_emac_enable(params, vars, 1);
  10603. bnx2x_emac_program(params, vars);
  10604. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10605. }
  10606. void bnx2x_init_xmac_loopback(struct link_params *params,
  10607. struct link_vars *vars)
  10608. {
  10609. struct bnx2x *bp = params->bp;
  10610. vars->link_up = 1;
  10611. if (!params->req_line_speed[0])
  10612. vars->line_speed = SPEED_10000;
  10613. else
  10614. vars->line_speed = params->req_line_speed[0];
  10615. vars->duplex = DUPLEX_FULL;
  10616. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10617. vars->mac_type = MAC_TYPE_XMAC;
  10618. vars->phy_flags = PHY_XGXS_FLAG;
  10619. /*
  10620. * Set WC to loopback mode since link is required to provide clock
  10621. * to the XMAC in 20G mode
  10622. */
  10623. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10624. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10625. params->phy[INT_PHY].config_loopback(
  10626. &params->phy[INT_PHY],
  10627. params);
  10628. bnx2x_xmac_enable(params, vars, 1);
  10629. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10630. }
  10631. void bnx2x_init_umac_loopback(struct link_params *params,
  10632. struct link_vars *vars)
  10633. {
  10634. struct bnx2x *bp = params->bp;
  10635. vars->link_up = 1;
  10636. vars->line_speed = SPEED_1000;
  10637. vars->duplex = DUPLEX_FULL;
  10638. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10639. vars->mac_type = MAC_TYPE_UMAC;
  10640. vars->phy_flags = PHY_XGXS_FLAG;
  10641. bnx2x_umac_enable(params, vars, 1);
  10642. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10643. }
  10644. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10645. struct link_vars *vars)
  10646. {
  10647. struct bnx2x *bp = params->bp;
  10648. vars->link_up = 1;
  10649. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10650. vars->duplex = DUPLEX_FULL;
  10651. if (params->req_line_speed[0] == SPEED_1000)
  10652. vars->line_speed = SPEED_1000;
  10653. else
  10654. vars->line_speed = SPEED_10000;
  10655. if (!USES_WARPCORE(bp))
  10656. bnx2x_xgxs_deassert(params);
  10657. bnx2x_link_initialize(params, vars);
  10658. if (params->req_line_speed[0] == SPEED_1000) {
  10659. if (USES_WARPCORE(bp))
  10660. bnx2x_umac_enable(params, vars, 0);
  10661. else {
  10662. bnx2x_emac_program(params, vars);
  10663. bnx2x_emac_enable(params, vars, 0);
  10664. }
  10665. } else {
  10666. if (USES_WARPCORE(bp))
  10667. bnx2x_xmac_enable(params, vars, 0);
  10668. else
  10669. bnx2x_bmac_enable(params, vars, 0);
  10670. }
  10671. if (params->loopback_mode == LOOPBACK_XGXS) {
  10672. /* set 10G XGXS loopback */
  10673. params->phy[INT_PHY].config_loopback(
  10674. &params->phy[INT_PHY],
  10675. params);
  10676. } else {
  10677. /* set external phy loopback */
  10678. u8 phy_index;
  10679. for (phy_index = EXT_PHY1;
  10680. phy_index < params->num_phys; phy_index++) {
  10681. if (params->phy[phy_index].config_loopback)
  10682. params->phy[phy_index].config_loopback(
  10683. &params->phy[phy_index],
  10684. params);
  10685. }
  10686. }
  10687. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10688. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10689. }
  10690. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10691. {
  10692. struct bnx2x *bp = params->bp;
  10693. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10694. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10695. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10696. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10697. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10698. vars->link_status = 0;
  10699. vars->phy_link_up = 0;
  10700. vars->link_up = 0;
  10701. vars->line_speed = 0;
  10702. vars->duplex = DUPLEX_FULL;
  10703. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10704. vars->mac_type = MAC_TYPE_NONE;
  10705. vars->phy_flags = 0;
  10706. /* disable attentions */
  10707. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10708. (NIG_MASK_XGXS0_LINK_STATUS |
  10709. NIG_MASK_XGXS0_LINK10G |
  10710. NIG_MASK_SERDES0_LINK_STATUS |
  10711. NIG_MASK_MI_INT));
  10712. bnx2x_emac_init(params, vars);
  10713. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10714. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10715. if (params->num_phys == 0) {
  10716. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10717. return -EINVAL;
  10718. }
  10719. set_phy_vars(params, vars);
  10720. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10721. switch (params->loopback_mode) {
  10722. case LOOPBACK_BMAC:
  10723. bnx2x_init_bmac_loopback(params, vars);
  10724. break;
  10725. case LOOPBACK_EMAC:
  10726. bnx2x_init_emac_loopback(params, vars);
  10727. break;
  10728. case LOOPBACK_XMAC:
  10729. bnx2x_init_xmac_loopback(params, vars);
  10730. break;
  10731. case LOOPBACK_UMAC:
  10732. bnx2x_init_umac_loopback(params, vars);
  10733. break;
  10734. case LOOPBACK_XGXS:
  10735. case LOOPBACK_EXT_PHY:
  10736. bnx2x_init_xgxs_loopback(params, vars);
  10737. break;
  10738. default:
  10739. if (!CHIP_IS_E3(bp)) {
  10740. if (params->switch_cfg == SWITCH_CFG_10G)
  10741. bnx2x_xgxs_deassert(params);
  10742. else
  10743. bnx2x_serdes_deassert(bp, params->port);
  10744. }
  10745. bnx2x_link_initialize(params, vars);
  10746. msleep(30);
  10747. bnx2x_link_int_enable(params);
  10748. break;
  10749. }
  10750. return 0;
  10751. }
  10752. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10753. u8 reset_ext_phy)
  10754. {
  10755. struct bnx2x *bp = params->bp;
  10756. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10757. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10758. /* disable attentions */
  10759. vars->link_status = 0;
  10760. bnx2x_update_mng(params, vars->link_status);
  10761. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10762. (NIG_MASK_XGXS0_LINK_STATUS |
  10763. NIG_MASK_XGXS0_LINK10G |
  10764. NIG_MASK_SERDES0_LINK_STATUS |
  10765. NIG_MASK_MI_INT));
  10766. /* activate nig drain */
  10767. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10768. /* disable nig egress interface */
  10769. if (!CHIP_IS_E3(bp)) {
  10770. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10771. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10772. }
  10773. /* Stop BigMac rx */
  10774. if (!CHIP_IS_E3(bp))
  10775. bnx2x_bmac_rx_disable(bp, port);
  10776. else {
  10777. bnx2x_xmac_disable(params);
  10778. bnx2x_umac_disable(params);
  10779. }
  10780. /* disable emac */
  10781. if (!CHIP_IS_E3(bp))
  10782. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10783. msleep(10);
  10784. /* The PHY reset is controlled by GPIO 1
  10785. * Hold it as vars low
  10786. */
  10787. /* clear link led */
  10788. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10789. if (reset_ext_phy) {
  10790. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10791. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10792. phy_index++) {
  10793. if (params->phy[phy_index].link_reset) {
  10794. bnx2x_set_aer_mmd(params,
  10795. &params->phy[phy_index]);
  10796. params->phy[phy_index].link_reset(
  10797. &params->phy[phy_index],
  10798. params);
  10799. }
  10800. if (params->phy[phy_index].flags &
  10801. FLAGS_REARM_LATCH_SIGNAL)
  10802. clear_latch_ind = 1;
  10803. }
  10804. }
  10805. if (clear_latch_ind) {
  10806. /* Clear latching indication */
  10807. bnx2x_rearm_latch_signal(bp, port, 0);
  10808. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10809. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10810. }
  10811. if (params->phy[INT_PHY].link_reset)
  10812. params->phy[INT_PHY].link_reset(
  10813. &params->phy[INT_PHY], params);
  10814. /* disable nig ingress interface */
  10815. if (!CHIP_IS_E3(bp)) {
  10816. /* reset BigMac */
  10817. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10818. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10819. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10820. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10821. } else {
  10822. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10823. bnx2x_set_xumac_nig(params, 0, 0);
  10824. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10825. MISC_REGISTERS_RESET_REG_2_XMAC)
  10826. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10827. XMAC_CTRL_REG_SOFT_RESET);
  10828. }
  10829. vars->link_up = 0;
  10830. vars->phy_flags = 0;
  10831. return 0;
  10832. }
  10833. /****************************************************************************/
  10834. /* Common function */
  10835. /****************************************************************************/
  10836. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10837. u32 shmem_base_path[],
  10838. u32 shmem2_base_path[], u8 phy_index,
  10839. u32 chip_id)
  10840. {
  10841. struct bnx2x_phy phy[PORT_MAX];
  10842. struct bnx2x_phy *phy_blk[PORT_MAX];
  10843. u16 val;
  10844. s8 port = 0;
  10845. s8 port_of_path = 0;
  10846. u32 swap_val, swap_override;
  10847. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10848. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10849. port ^= (swap_val && swap_override);
  10850. bnx2x_ext_phy_hw_reset(bp, port);
  10851. /* PART1 - Reset both phys */
  10852. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10853. u32 shmem_base, shmem2_base;
  10854. /* In E2, same phy is using for port0 of the two paths */
  10855. if (CHIP_IS_E1x(bp)) {
  10856. shmem_base = shmem_base_path[0];
  10857. shmem2_base = shmem2_base_path[0];
  10858. port_of_path = port;
  10859. } else {
  10860. shmem_base = shmem_base_path[port];
  10861. shmem2_base = shmem2_base_path[port];
  10862. port_of_path = 0;
  10863. }
  10864. /* Extract the ext phy address for the port */
  10865. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10866. port_of_path, &phy[port]) !=
  10867. 0) {
  10868. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10869. return -EINVAL;
  10870. }
  10871. /* disable attentions */
  10872. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10873. port_of_path*4,
  10874. (NIG_MASK_XGXS0_LINK_STATUS |
  10875. NIG_MASK_XGXS0_LINK10G |
  10876. NIG_MASK_SERDES0_LINK_STATUS |
  10877. NIG_MASK_MI_INT));
  10878. /* Need to take the phy out of low power mode in order
  10879. to write to access its registers */
  10880. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10881. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10882. port);
  10883. /* Reset the phy */
  10884. bnx2x_cl45_write(bp, &phy[port],
  10885. MDIO_PMA_DEVAD,
  10886. MDIO_PMA_REG_CTRL,
  10887. 1<<15);
  10888. }
  10889. /* Add delay of 150ms after reset */
  10890. msleep(150);
  10891. if (phy[PORT_0].addr & 0x1) {
  10892. phy_blk[PORT_0] = &(phy[PORT_1]);
  10893. phy_blk[PORT_1] = &(phy[PORT_0]);
  10894. } else {
  10895. phy_blk[PORT_0] = &(phy[PORT_0]);
  10896. phy_blk[PORT_1] = &(phy[PORT_1]);
  10897. }
  10898. /* PART2 - Download firmware to both phys */
  10899. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10900. if (CHIP_IS_E1x(bp))
  10901. port_of_path = port;
  10902. else
  10903. port_of_path = 0;
  10904. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10905. phy_blk[port]->addr);
  10906. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10907. port_of_path))
  10908. return -EINVAL;
  10909. /* Only set bit 10 = 1 (Tx power down) */
  10910. bnx2x_cl45_read(bp, phy_blk[port],
  10911. MDIO_PMA_DEVAD,
  10912. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10913. /* Phase1 of TX_POWER_DOWN reset */
  10914. bnx2x_cl45_write(bp, phy_blk[port],
  10915. MDIO_PMA_DEVAD,
  10916. MDIO_PMA_REG_TX_POWER_DOWN,
  10917. (val | 1<<10));
  10918. }
  10919. /*
  10920. * Toggle Transmitter: Power down and then up with 600ms delay
  10921. * between
  10922. */
  10923. msleep(600);
  10924. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10925. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10926. /* Phase2 of POWER_DOWN_RESET */
  10927. /* Release bit 10 (Release Tx power down) */
  10928. bnx2x_cl45_read(bp, phy_blk[port],
  10929. MDIO_PMA_DEVAD,
  10930. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10931. bnx2x_cl45_write(bp, phy_blk[port],
  10932. MDIO_PMA_DEVAD,
  10933. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10934. msleep(15);
  10935. /* Read modify write the SPI-ROM version select register */
  10936. bnx2x_cl45_read(bp, phy_blk[port],
  10937. MDIO_PMA_DEVAD,
  10938. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10939. bnx2x_cl45_write(bp, phy_blk[port],
  10940. MDIO_PMA_DEVAD,
  10941. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10942. /* set GPIO2 back to LOW */
  10943. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10944. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10945. }
  10946. return 0;
  10947. }
  10948. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10949. u32 shmem_base_path[],
  10950. u32 shmem2_base_path[], u8 phy_index,
  10951. u32 chip_id)
  10952. {
  10953. u32 val;
  10954. s8 port;
  10955. struct bnx2x_phy phy;
  10956. /* Use port1 because of the static port-swap */
  10957. /* Enable the module detection interrupt */
  10958. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10959. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10960. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10961. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10962. bnx2x_ext_phy_hw_reset(bp, 0);
  10963. msleep(5);
  10964. for (port = 0; port < PORT_MAX; port++) {
  10965. u32 shmem_base, shmem2_base;
  10966. /* In E2, same phy is using for port0 of the two paths */
  10967. if (CHIP_IS_E1x(bp)) {
  10968. shmem_base = shmem_base_path[0];
  10969. shmem2_base = shmem2_base_path[0];
  10970. } else {
  10971. shmem_base = shmem_base_path[port];
  10972. shmem2_base = shmem2_base_path[port];
  10973. }
  10974. /* Extract the ext phy address for the port */
  10975. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10976. port, &phy) !=
  10977. 0) {
  10978. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10979. return -EINVAL;
  10980. }
  10981. /* Reset phy*/
  10982. bnx2x_cl45_write(bp, &phy,
  10983. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10984. /* Set fault module detected LED on */
  10985. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10986. MISC_REGISTERS_GPIO_HIGH,
  10987. port);
  10988. }
  10989. return 0;
  10990. }
  10991. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10992. u8 *io_gpio, u8 *io_port)
  10993. {
  10994. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10995. offsetof(struct shmem_region,
  10996. dev_info.port_hw_config[PORT_0].default_cfg));
  10997. switch (phy_gpio_reset) {
  10998. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10999. *io_gpio = 0;
  11000. *io_port = 0;
  11001. break;
  11002. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11003. *io_gpio = 1;
  11004. *io_port = 0;
  11005. break;
  11006. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11007. *io_gpio = 2;
  11008. *io_port = 0;
  11009. break;
  11010. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11011. *io_gpio = 3;
  11012. *io_port = 0;
  11013. break;
  11014. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11015. *io_gpio = 0;
  11016. *io_port = 1;
  11017. break;
  11018. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11019. *io_gpio = 1;
  11020. *io_port = 1;
  11021. break;
  11022. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11023. *io_gpio = 2;
  11024. *io_port = 1;
  11025. break;
  11026. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11027. *io_gpio = 3;
  11028. *io_port = 1;
  11029. break;
  11030. default:
  11031. /* Don't override the io_gpio and io_port */
  11032. break;
  11033. }
  11034. }
  11035. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11036. u32 shmem_base_path[],
  11037. u32 shmem2_base_path[], u8 phy_index,
  11038. u32 chip_id)
  11039. {
  11040. s8 port, reset_gpio;
  11041. u32 swap_val, swap_override;
  11042. struct bnx2x_phy phy[PORT_MAX];
  11043. struct bnx2x_phy *phy_blk[PORT_MAX];
  11044. s8 port_of_path;
  11045. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11046. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11047. reset_gpio = MISC_REGISTERS_GPIO_1;
  11048. port = 1;
  11049. /*
  11050. * Retrieve the reset gpio/port which control the reset.
  11051. * Default is GPIO1, PORT1
  11052. */
  11053. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11054. (u8 *)&reset_gpio, (u8 *)&port);
  11055. /* Calculate the port based on port swap */
  11056. port ^= (swap_val && swap_override);
  11057. /* Initiate PHY reset*/
  11058. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11059. port);
  11060. msleep(1);
  11061. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11062. port);
  11063. msleep(5);
  11064. /* PART1 - Reset both phys */
  11065. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11066. u32 shmem_base, shmem2_base;
  11067. /* In E2, same phy is using for port0 of the two paths */
  11068. if (CHIP_IS_E1x(bp)) {
  11069. shmem_base = shmem_base_path[0];
  11070. shmem2_base = shmem2_base_path[0];
  11071. port_of_path = port;
  11072. } else {
  11073. shmem_base = shmem_base_path[port];
  11074. shmem2_base = shmem2_base_path[port];
  11075. port_of_path = 0;
  11076. }
  11077. /* Extract the ext phy address for the port */
  11078. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11079. port_of_path, &phy[port]) !=
  11080. 0) {
  11081. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11082. return -EINVAL;
  11083. }
  11084. /* disable attentions */
  11085. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11086. port_of_path*4,
  11087. (NIG_MASK_XGXS0_LINK_STATUS |
  11088. NIG_MASK_XGXS0_LINK10G |
  11089. NIG_MASK_SERDES0_LINK_STATUS |
  11090. NIG_MASK_MI_INT));
  11091. /* Reset the phy */
  11092. bnx2x_cl45_write(bp, &phy[port],
  11093. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11094. }
  11095. /* Add delay of 150ms after reset */
  11096. msleep(150);
  11097. if (phy[PORT_0].addr & 0x1) {
  11098. phy_blk[PORT_0] = &(phy[PORT_1]);
  11099. phy_blk[PORT_1] = &(phy[PORT_0]);
  11100. } else {
  11101. phy_blk[PORT_0] = &(phy[PORT_0]);
  11102. phy_blk[PORT_1] = &(phy[PORT_1]);
  11103. }
  11104. /* PART2 - Download firmware to both phys */
  11105. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11106. if (CHIP_IS_E1x(bp))
  11107. port_of_path = port;
  11108. else
  11109. port_of_path = 0;
  11110. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11111. phy_blk[port]->addr);
  11112. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11113. port_of_path))
  11114. return -EINVAL;
  11115. /* Disable PHY transmitter output */
  11116. bnx2x_cl45_write(bp, phy_blk[port],
  11117. MDIO_PMA_DEVAD,
  11118. MDIO_PMA_REG_TX_DISABLE, 1);
  11119. }
  11120. return 0;
  11121. }
  11122. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11123. u32 shmem_base_path[],
  11124. u32 shmem2_base_path[],
  11125. u8 phy_index,
  11126. u32 chip_id)
  11127. {
  11128. u8 reset_gpios;
  11129. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11130. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11131. udelay(10);
  11132. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11133. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11134. reset_gpios);
  11135. return 0;
  11136. }
  11137. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11138. struct bnx2x_phy *phy)
  11139. {
  11140. u16 val, cnt;
  11141. /* Wait for FW completing its initialization. */
  11142. for (cnt = 0; cnt < 1500; cnt++) {
  11143. bnx2x_cl45_read(bp, phy,
  11144. MDIO_PMA_DEVAD,
  11145. MDIO_PMA_REG_CTRL, &val);
  11146. if (!(val & (1<<15)))
  11147. break;
  11148. msleep(1);
  11149. }
  11150. if (cnt >= 1500) {
  11151. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11152. return -EINVAL;
  11153. }
  11154. /* Put the port in super isolate mode. */
  11155. bnx2x_cl45_read(bp, phy,
  11156. MDIO_CTL_DEVAD,
  11157. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11158. val |= MDIO_84833_SUPER_ISOLATE;
  11159. bnx2x_cl45_write(bp, phy,
  11160. MDIO_CTL_DEVAD,
  11161. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11162. /* Save spirom version */
  11163. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11164. return 0;
  11165. }
  11166. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11167. u32 shmem_base,
  11168. u32 shmem2_base,
  11169. u32 chip_id)
  11170. {
  11171. int rc = 0;
  11172. struct bnx2x_phy phy;
  11173. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11174. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11175. PORT_0, &phy)) {
  11176. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11177. return -EINVAL;
  11178. }
  11179. switch (phy.type) {
  11180. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11181. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11182. break;
  11183. default:
  11184. break;
  11185. }
  11186. return rc;
  11187. }
  11188. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11189. u32 shmem2_base_path[], u8 phy_index,
  11190. u32 ext_phy_type, u32 chip_id)
  11191. {
  11192. int rc = 0;
  11193. switch (ext_phy_type) {
  11194. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11195. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11196. shmem2_base_path,
  11197. phy_index, chip_id);
  11198. break;
  11199. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11200. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11201. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11202. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11203. shmem2_base_path,
  11204. phy_index, chip_id);
  11205. break;
  11206. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11207. /*
  11208. * GPIO1 affects both ports, so there's need to pull
  11209. * it for single port alone
  11210. */
  11211. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11212. shmem2_base_path,
  11213. phy_index, chip_id);
  11214. break;
  11215. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11216. /*
  11217. * GPIO3's are linked, and so both need to be toggled
  11218. * to obtain required 2us pulse.
  11219. */
  11220. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11221. shmem2_base_path,
  11222. phy_index, chip_id);
  11223. break;
  11224. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11225. rc = -EINVAL;
  11226. break;
  11227. default:
  11228. DP(NETIF_MSG_LINK,
  11229. "ext_phy 0x%x common init not required\n",
  11230. ext_phy_type);
  11231. break;
  11232. }
  11233. if (rc != 0)
  11234. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11235. " Port %d\n",
  11236. 0);
  11237. return rc;
  11238. }
  11239. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11240. u32 shmem2_base_path[], u32 chip_id)
  11241. {
  11242. int rc = 0;
  11243. u32 phy_ver, val;
  11244. u8 phy_index = 0;
  11245. u32 ext_phy_type, ext_phy_config;
  11246. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11247. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11248. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11249. if (CHIP_IS_E3(bp)) {
  11250. /* Enable EPIO */
  11251. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11252. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11253. }
  11254. /* Check if common init was already done */
  11255. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11256. offsetof(struct shmem_region,
  11257. port_mb[PORT_0].ext_phy_fw_version));
  11258. if (phy_ver) {
  11259. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11260. phy_ver);
  11261. return 0;
  11262. }
  11263. /* Read the ext_phy_type for arbitrary port(0) */
  11264. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11265. phy_index++) {
  11266. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11267. shmem_base_path[0],
  11268. phy_index, 0);
  11269. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11270. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11271. shmem2_base_path,
  11272. phy_index, ext_phy_type,
  11273. chip_id);
  11274. }
  11275. return rc;
  11276. }
  11277. static void bnx2x_check_over_curr(struct link_params *params,
  11278. struct link_vars *vars)
  11279. {
  11280. struct bnx2x *bp = params->bp;
  11281. u32 cfg_pin;
  11282. u8 port = params->port;
  11283. u32 pin_val;
  11284. cfg_pin = (REG_RD(bp, params->shmem_base +
  11285. offsetof(struct shmem_region,
  11286. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11287. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11288. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11289. /* Ignore check if no external input PIN available */
  11290. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11291. return;
  11292. if (!pin_val) {
  11293. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11294. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11295. " been detected and the power to "
  11296. "that SFP+ module has been removed"
  11297. " to prevent failure of the card."
  11298. " Please remove the SFP+ module and"
  11299. " restart the system to clear this"
  11300. " error.\n",
  11301. params->port);
  11302. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11303. }
  11304. } else
  11305. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11306. }
  11307. static void bnx2x_analyze_link_error(struct link_params *params,
  11308. struct link_vars *vars, u32 lss_status)
  11309. {
  11310. struct bnx2x *bp = params->bp;
  11311. /* Compare new value with previous value */
  11312. u8 led_mode;
  11313. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11314. if ((lss_status ^ half_open_conn) == 0)
  11315. return;
  11316. /* If values differ */
  11317. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11318. half_open_conn, lss_status);
  11319. /*
  11320. * a. Update shmem->link_status accordingly
  11321. * b. Update link_vars->link_up
  11322. */
  11323. if (lss_status) {
  11324. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11325. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11326. vars->link_up = 0;
  11327. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11328. /*
  11329. * Set LED mode to off since the PHY doesn't know about these
  11330. * errors
  11331. */
  11332. led_mode = LED_MODE_OFF;
  11333. } else {
  11334. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11335. vars->link_status |= LINK_STATUS_LINK_UP;
  11336. vars->link_up = 1;
  11337. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11338. led_mode = LED_MODE_OPER;
  11339. }
  11340. /* Update the LED according to the link state */
  11341. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11342. /* Update link status in the shared memory */
  11343. bnx2x_update_mng(params, vars->link_status);
  11344. /* C. Trigger General Attention */
  11345. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11346. bnx2x_notify_link_changed(bp);
  11347. }
  11348. /******************************************************************************
  11349. * Description:
  11350. * This function checks for half opened connection change indication.
  11351. * When such change occurs, it calls the bnx2x_analyze_link_error
  11352. * to check if Remote Fault is set or cleared. Reception of remote fault
  11353. * status message in the MAC indicates that the peer's MAC has detected
  11354. * a fault, for example, due to break in the TX side of fiber.
  11355. *
  11356. ******************************************************************************/
  11357. static void bnx2x_check_half_open_conn(struct link_params *params,
  11358. struct link_vars *vars)
  11359. {
  11360. struct bnx2x *bp = params->bp;
  11361. u32 lss_status = 0;
  11362. u32 mac_base;
  11363. /* In case link status is physically up @ 10G do */
  11364. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11365. return;
  11366. if (CHIP_IS_E3(bp) &&
  11367. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11368. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11369. /* Check E3 XMAC */
  11370. /*
  11371. * Note that link speed cannot be queried here, since it may be
  11372. * zero while link is down. In case UMAC is active, LSS will
  11373. * simply not be set
  11374. */
  11375. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11376. /* Clear stick bits (Requires rising edge) */
  11377. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11378. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11379. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11380. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11381. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11382. lss_status = 1;
  11383. bnx2x_analyze_link_error(params, vars, lss_status);
  11384. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11385. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11386. /* Check E1X / E2 BMAC */
  11387. u32 lss_status_reg;
  11388. u32 wb_data[2];
  11389. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11390. NIG_REG_INGRESS_BMAC0_MEM;
  11391. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11392. if (CHIP_IS_E2(bp))
  11393. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11394. else
  11395. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11396. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11397. lss_status = (wb_data[0] > 0);
  11398. bnx2x_analyze_link_error(params, vars, lss_status);
  11399. }
  11400. }
  11401. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11402. {
  11403. struct bnx2x *bp = params->bp;
  11404. u16 phy_idx;
  11405. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11406. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11407. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11408. bnx2x_check_half_open_conn(params, vars);
  11409. break;
  11410. }
  11411. }
  11412. if (CHIP_IS_E3(bp)) {
  11413. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11414. bnx2x_set_aer_mmd(params, phy);
  11415. bnx2x_check_over_curr(params, vars);
  11416. bnx2x_warpcore_config_runtime(phy, params, vars);
  11417. }
  11418. }
  11419. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11420. {
  11421. u8 phy_index;
  11422. struct bnx2x_phy phy;
  11423. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11424. phy_index++) {
  11425. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11426. 0, &phy) != 0) {
  11427. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11428. return 0;
  11429. }
  11430. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11431. return 1;
  11432. }
  11433. return 0;
  11434. }
  11435. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11436. u32 shmem_base,
  11437. u32 shmem2_base,
  11438. u8 port)
  11439. {
  11440. u8 phy_index, fan_failure_det_req = 0;
  11441. struct bnx2x_phy phy;
  11442. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11443. phy_index++) {
  11444. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11445. port, &phy)
  11446. != 0) {
  11447. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11448. return 0;
  11449. }
  11450. fan_failure_det_req |= (phy.flags &
  11451. FLAGS_FAN_FAILURE_DET_REQ);
  11452. }
  11453. return fan_failure_det_req;
  11454. }
  11455. void bnx2x_hw_reset_phy(struct link_params *params)
  11456. {
  11457. u8 phy_index;
  11458. struct bnx2x *bp = params->bp;
  11459. bnx2x_update_mng(params, 0);
  11460. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11461. (NIG_MASK_XGXS0_LINK_STATUS |
  11462. NIG_MASK_XGXS0_LINK10G |
  11463. NIG_MASK_SERDES0_LINK_STATUS |
  11464. NIG_MASK_MI_INT));
  11465. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11466. phy_index++) {
  11467. if (params->phy[phy_index].hw_reset) {
  11468. params->phy[phy_index].hw_reset(
  11469. &params->phy[phy_index],
  11470. params);
  11471. params->phy[phy_index] = phy_null;
  11472. }
  11473. }
  11474. }
  11475. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11476. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11477. u8 port)
  11478. {
  11479. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11480. u32 val;
  11481. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11482. if (CHIP_IS_E3(bp)) {
  11483. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11484. shmem_base,
  11485. port,
  11486. &gpio_num,
  11487. &gpio_port) != 0)
  11488. return;
  11489. } else {
  11490. struct bnx2x_phy phy;
  11491. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11492. phy_index++) {
  11493. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11494. shmem2_base, port, &phy)
  11495. != 0) {
  11496. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11497. return;
  11498. }
  11499. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11500. gpio_num = MISC_REGISTERS_GPIO_3;
  11501. gpio_port = port;
  11502. break;
  11503. }
  11504. }
  11505. }
  11506. if (gpio_num == 0xff)
  11507. return;
  11508. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11509. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11510. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11511. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11512. gpio_port ^= (swap_val && swap_override);
  11513. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11514. (gpio_num + (gpio_port << 2));
  11515. sync_offset = shmem_base +
  11516. offsetof(struct shmem_region,
  11517. dev_info.port_hw_config[port].aeu_int_mask);
  11518. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11519. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11520. gpio_num, gpio_port, vars->aeu_int_mask);
  11521. if (port == 0)
  11522. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11523. else
  11524. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11525. /* Open appropriate AEU for interrupts */
  11526. aeu_mask = REG_RD(bp, offset);
  11527. aeu_mask |= vars->aeu_int_mask;
  11528. REG_WR(bp, offset, aeu_mask);
  11529. /* Enable the GPIO to trigger interrupt */
  11530. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11531. val |= 1 << (gpio_num + (gpio_port << 2));
  11532. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11533. }