bnx2x_link.c 366 KB

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  1. /* Copyright 2008-2011 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 BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB default for class 0 E2 */
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  146. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  148. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  149. /* BRB thresholds for E2*/
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  151. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  153. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  155. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  157. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  158. /* BRB default for class 0 E3A0 */
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  160. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  162. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  163. /* BRB thresholds for E3A0 */
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  167. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  169. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  171. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  172. /* BRB default for E3B0 */
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  174. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  176. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  177. /* BRB thresholds for E3B0 2 port mode*/
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  181. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  185. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  186. /* only for E3B0*/
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  188. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  189. /* Lossy +Lossless GUARANTIED == GUART */
  190. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  191. /* Lossless +Lossless*/
  192. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  193. /* Lossy +Lossy*/
  194. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  195. /* Lossy +Lossless*/
  196. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  197. /* Lossless +Lossless*/
  198. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  199. /* Lossy +Lossy*/
  200. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  201. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  203. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  204. /* BRB thresholds for E3B0 4 port mode */
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  208. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  212. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  213. /* only for E3B0*/
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  215. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  216. #define PFC_E3B0_4P_LB_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  218. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  220. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  221. /* Pause defines*/
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  223. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  224. #define DEFAULT_E3B0_LB_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  228. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  229. /* ETS defines*/
  230. #define DCBX_INVALID_COS (0xFF)
  231. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  232. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  234. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  235. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  236. #define MAX_PACKET_SIZE (9700)
  237. #define WC_UC_TIMEOUT 100
  238. #define MAX_KR_LINK_RETRY 4
  239. /**********************************************************/
  240. /* INTERFACE */
  241. /**********************************************************/
  242. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  243. bnx2x_cl45_write(_bp, _phy, \
  244. (_phy)->def_md_devad, \
  245. (_bank + (_addr & 0xf)), \
  246. _val)
  247. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  248. bnx2x_cl45_read(_bp, _phy, \
  249. (_phy)->def_md_devad, \
  250. (_bank + (_addr & 0xf)), \
  251. _val)
  252. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  253. {
  254. u32 val = REG_RD(bp, reg);
  255. val |= bits;
  256. REG_WR(bp, reg, val);
  257. return val;
  258. }
  259. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  260. {
  261. u32 val = REG_RD(bp, reg);
  262. val &= ~bits;
  263. REG_WR(bp, reg, val);
  264. return val;
  265. }
  266. /******************************************************************/
  267. /* EPIO/GPIO section */
  268. /******************************************************************/
  269. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  270. {
  271. u32 epio_mask, gp_oenable;
  272. *en = 0;
  273. /* Sanity check */
  274. if (epio_pin > 31) {
  275. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  276. return;
  277. }
  278. epio_mask = 1 << epio_pin;
  279. /* Set this EPIO to output */
  280. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  281. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  282. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  283. }
  284. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  285. {
  286. u32 epio_mask, gp_output, gp_oenable;
  287. /* Sanity check */
  288. if (epio_pin > 31) {
  289. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  290. return;
  291. }
  292. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  293. epio_mask = 1 << epio_pin;
  294. /* Set this EPIO to output */
  295. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  296. if (en)
  297. gp_output |= epio_mask;
  298. else
  299. gp_output &= ~epio_mask;
  300. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  301. /* Set the value for this EPIO */
  302. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  303. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  304. }
  305. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  306. {
  307. if (pin_cfg == PIN_CFG_NA)
  308. return;
  309. if (pin_cfg >= PIN_CFG_EPIO0) {
  310. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  311. } else {
  312. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  313. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  314. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  315. }
  316. }
  317. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  318. {
  319. if (pin_cfg == PIN_CFG_NA)
  320. return -EINVAL;
  321. if (pin_cfg >= PIN_CFG_EPIO0) {
  322. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  323. } else {
  324. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  325. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  326. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  327. }
  328. return 0;
  329. }
  330. /******************************************************************/
  331. /* ETS section */
  332. /******************************************************************/
  333. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  334. {
  335. /* ETS disabled configuration*/
  336. struct bnx2x *bp = params->bp;
  337. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  338. /*
  339. * mapping between entry priority to client number (0,1,2 -debug and
  340. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  341. * 3bits client num.
  342. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  343. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  344. */
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  346. /*
  347. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  348. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  349. * COS0 entry, 4 - COS1 entry.
  350. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  351. * bit4 bit3 bit2 bit1 bit0
  352. * MCP and debug are strict
  353. */
  354. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  355. /* defines which entries (clients) are subjected to WFQ arbitration */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  357. /*
  358. * For strict priority entries defines the number of consecutive
  359. * slots for the highest priority.
  360. */
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  362. /*
  363. * mapping between the CREDIT_WEIGHT registers and actual client
  364. * numbers
  365. */
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  370. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  371. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  372. /* ETS mode disable */
  373. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  374. /*
  375. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  376. * weight for COS0/COS1.
  377. */
  378. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  379. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  380. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  381. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  382. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  383. /* Defines the number of consecutive slots for the strict priority */
  384. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  385. }
  386. /******************************************************************************
  387. * Description:
  388. * Getting min_w_val will be set according to line speed .
  389. *.
  390. ******************************************************************************/
  391. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  392. {
  393. u32 min_w_val = 0;
  394. /* Calculate min_w_val.*/
  395. if (vars->link_up) {
  396. if (SPEED_20000 == vars->line_speed)
  397. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  398. else
  399. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  400. } else
  401. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  402. /**
  403. * If the link isn't up (static configuration for example ) The
  404. * link will be according to 20GBPS.
  405. */
  406. return min_w_val;
  407. }
  408. /******************************************************************************
  409. * Description:
  410. * Getting credit upper bound form min_w_val.
  411. *.
  412. ******************************************************************************/
  413. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  414. {
  415. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  416. MAX_PACKET_SIZE);
  417. return credit_upper_bound;
  418. }
  419. /******************************************************************************
  420. * Description:
  421. * Set credit upper bound for NIG.
  422. *.
  423. ******************************************************************************/
  424. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  425. const struct link_params *params,
  426. const u32 min_w_val)
  427. {
  428. struct bnx2x *bp = params->bp;
  429. const u8 port = params->port;
  430. const u32 credit_upper_bound =
  431. bnx2x_ets_get_credit_upper_bound(min_w_val);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  436. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  437. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  438. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  439. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  440. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  441. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  442. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  443. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  444. if (0 == port) {
  445. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  446. credit_upper_bound);
  447. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  448. credit_upper_bound);
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  450. credit_upper_bound);
  451. }
  452. }
  453. /******************************************************************************
  454. * Description:
  455. * Will return the NIG ETS registers to init values.Except
  456. * credit_upper_bound.
  457. * That isn't used in this configuration (No WFQ is enabled) and will be
  458. * configured acording to spec
  459. *.
  460. ******************************************************************************/
  461. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  462. const struct link_vars *vars)
  463. {
  464. struct bnx2x *bp = params->bp;
  465. const u8 port = params->port;
  466. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  467. /**
  468. * mapping between entry priority to client number (0,1,2 -debug and
  469. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  470. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  471. * reset value or init tool
  472. */
  473. if (port) {
  474. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  475. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  476. } else {
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  478. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  479. }
  480. /**
  481. * For strict priority entries defines the number of consecutive
  482. * slots for the highest priority.
  483. */
  484. /* TODO_ETS - Should be done by reset value or init tool */
  485. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  486. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  487. /**
  488. * mapping between the CREDIT_WEIGHT registers and actual client
  489. * numbers
  490. */
  491. /* TODO_ETS - Should be done by reset value or init tool */
  492. if (port) {
  493. /*Port 1 has 6 COS*/
  494. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  495. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  496. } else {
  497. /*Port 0 has 9 COS*/
  498. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  499. 0x43210876);
  500. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  501. }
  502. /**
  503. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  504. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  505. * COS0 entry, 4 - COS1 entry.
  506. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  507. * bit4 bit3 bit2 bit1 bit0
  508. * MCP and debug are strict
  509. */
  510. if (port)
  511. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  512. else
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  514. /* defines which entries (clients) are subjected to WFQ arbitration */
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  516. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  517. /**
  518. * Please notice the register address are note continuous and a
  519. * for here is note appropriate.In 2 port mode port0 only COS0-5
  520. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  521. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  522. * are never used for WFQ
  523. */
  524. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  525. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  526. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  527. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  529. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  530. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  531. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  532. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  533. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  535. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  536. if (0 == port) {
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  538. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  540. }
  541. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  542. }
  543. /******************************************************************************
  544. * Description:
  545. * Set credit upper bound for PBF.
  546. *.
  547. ******************************************************************************/
  548. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  549. const struct link_params *params,
  550. const u32 min_w_val)
  551. {
  552. struct bnx2x *bp = params->bp;
  553. const u32 credit_upper_bound =
  554. bnx2x_ets_get_credit_upper_bound(min_w_val);
  555. const u8 port = params->port;
  556. u32 base_upper_bound = 0;
  557. u8 max_cos = 0;
  558. u8 i = 0;
  559. /**
  560. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  561. * port mode port1 has COS0-2 that can be used for WFQ.
  562. */
  563. if (0 == port) {
  564. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  565. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  566. } else {
  567. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  568. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  569. }
  570. for (i = 0; i < max_cos; i++)
  571. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  572. }
  573. /******************************************************************************
  574. * Description:
  575. * Will return the PBF ETS registers to init values.Except
  576. * credit_upper_bound.
  577. * That isn't used in this configuration (No WFQ is enabled) and will be
  578. * configured acording to spec
  579. *.
  580. ******************************************************************************/
  581. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  582. {
  583. struct bnx2x *bp = params->bp;
  584. const u8 port = params->port;
  585. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  586. u8 i = 0;
  587. u32 base_weight = 0;
  588. u8 max_cos = 0;
  589. /**
  590. * mapping between entry priority to client number 0 - COS0
  591. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  592. * TODO_ETS - Should be done by reset value or init tool
  593. */
  594. if (port)
  595. /* 0x688 (|011|0 10|00 1|000) */
  596. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  597. else
  598. /* (10 1|100 |011|0 10|00 1|000) */
  599. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  600. /* TODO_ETS - Should be done by reset value or init tool */
  601. if (port)
  602. /* 0x688 (|011|0 10|00 1|000)*/
  603. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  604. else
  605. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  606. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  607. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  608. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  609. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  610. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  611. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  612. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  613. /**
  614. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  615. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  616. */
  617. if (0 == port) {
  618. base_weight = PBF_REG_COS0_WEIGHT_P0;
  619. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  620. } else {
  621. base_weight = PBF_REG_COS0_WEIGHT_P1;
  622. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  623. }
  624. for (i = 0; i < max_cos; i++)
  625. REG_WR(bp, base_weight + (0x4 * i), 0);
  626. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * E3B0 disable will return basicly the values to init values.
  631. *.
  632. ******************************************************************************/
  633. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  634. const struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. if (!CHIP_IS_E3B0(bp)) {
  638. DP(NETIF_MSG_LINK,
  639. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  640. return -EINVAL;
  641. }
  642. bnx2x_ets_e3b0_nig_disabled(params, vars);
  643. bnx2x_ets_e3b0_pbf_disabled(params);
  644. return 0;
  645. }
  646. /******************************************************************************
  647. * Description:
  648. * Disable will return basicly the values to init values.
  649. *.
  650. ******************************************************************************/
  651. int bnx2x_ets_disabled(struct link_params *params,
  652. struct link_vars *vars)
  653. {
  654. struct bnx2x *bp = params->bp;
  655. int bnx2x_status = 0;
  656. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  657. bnx2x_ets_e2e3a0_disabled(params);
  658. else if (CHIP_IS_E3B0(bp))
  659. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  660. else {
  661. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  662. return -EINVAL;
  663. }
  664. return bnx2x_status;
  665. }
  666. /******************************************************************************
  667. * Description
  668. * Set the COS mappimg to SP and BW until this point all the COS are not
  669. * set as SP or BW.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  672. const struct bnx2x_ets_params *ets_params,
  673. const u8 cos_sp_bitmap,
  674. const u8 cos_bw_bitmap)
  675. {
  676. struct bnx2x *bp = params->bp;
  677. const u8 port = params->port;
  678. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  679. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  680. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  681. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  682. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  683. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  684. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  685. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  686. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  687. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  688. nig_cli_subject2wfq_bitmap);
  689. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  690. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  691. pbf_cli_subject2wfq_bitmap);
  692. return 0;
  693. }
  694. /******************************************************************************
  695. * Description:
  696. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  697. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  698. ******************************************************************************/
  699. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  700. const u8 cos_entry,
  701. const u32 min_w_val_nig,
  702. const u32 min_w_val_pbf,
  703. const u16 total_bw,
  704. const u8 bw,
  705. const u8 port)
  706. {
  707. u32 nig_reg_adress_crd_weight = 0;
  708. u32 pbf_reg_adress_crd_weight = 0;
  709. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  710. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  711. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  712. switch (cos_entry) {
  713. case 0:
  714. nig_reg_adress_crd_weight =
  715. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  716. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  717. pbf_reg_adress_crd_weight = (port) ?
  718. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  719. break;
  720. case 1:
  721. nig_reg_adress_crd_weight = (port) ?
  722. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  723. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  724. pbf_reg_adress_crd_weight = (port) ?
  725. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  726. break;
  727. case 2:
  728. nig_reg_adress_crd_weight = (port) ?
  729. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  730. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  731. pbf_reg_adress_crd_weight = (port) ?
  732. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  733. break;
  734. case 3:
  735. if (port)
  736. return -EINVAL;
  737. nig_reg_adress_crd_weight =
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  739. pbf_reg_adress_crd_weight =
  740. PBF_REG_COS3_WEIGHT_P0;
  741. break;
  742. case 4:
  743. if (port)
  744. return -EINVAL;
  745. nig_reg_adress_crd_weight =
  746. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  747. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  748. break;
  749. case 5:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  754. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  755. break;
  756. }
  757. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  758. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  759. return 0;
  760. }
  761. /******************************************************************************
  762. * Description:
  763. * Calculate the total BW.A value of 0 isn't legal.
  764. *.
  765. ******************************************************************************/
  766. static int bnx2x_ets_e3b0_get_total_bw(
  767. const struct link_params *params,
  768. const struct bnx2x_ets_params *ets_params,
  769. u16 *total_bw)
  770. {
  771. struct bnx2x *bp = params->bp;
  772. u8 cos_idx = 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 (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  777. *total_bw +=
  778. ets_params->cos[cos_idx].params.bw_params.bw;
  779. }
  780. }
  781. /* Check total BW is valid */
  782. if ((100 != *total_bw) || (0 == *total_bw)) {
  783. if (0 == *total_bw) {
  784. DP(NETIF_MSG_LINK,
  785. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  786. return -EINVAL;
  787. }
  788. DP(NETIF_MSG_LINK,
  789. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  790. /**
  791. * We can handle a case whre the BW isn't 100 this can happen
  792. * if the TC are joined.
  793. */
  794. }
  795. return 0;
  796. }
  797. /******************************************************************************
  798. * Description:
  799. * Invalidate all the sp_pri_to_cos.
  800. *.
  801. ******************************************************************************/
  802. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  803. {
  804. u8 pri = 0;
  805. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  806. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  807. }
  808. /******************************************************************************
  809. * Description:
  810. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  811. * according to sp_pri_to_cos.
  812. *.
  813. ******************************************************************************/
  814. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  815. u8 *sp_pri_to_cos, const u8 pri,
  816. const u8 cos_entry)
  817. {
  818. struct bnx2x *bp = params->bp;
  819. const u8 port = params->port;
  820. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  821. DCBX_E3B0_MAX_NUM_COS_PORT0;
  822. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  823. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  824. "parameter There can't be two COS's with "
  825. "the same strict pri\n");
  826. return -EINVAL;
  827. }
  828. if (pri > max_num_of_cos) {
  829. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  830. "parameter Illegal strict priority\n");
  831. return -EINVAL;
  832. }
  833. sp_pri_to_cos[pri] = cos_entry;
  834. return 0;
  835. }
  836. /******************************************************************************
  837. * Description:
  838. * Returns the correct value according to COS and priority in
  839. * the sp_pri_cli register.
  840. *.
  841. ******************************************************************************/
  842. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  843. const u8 pri_set,
  844. const u8 pri_offset,
  845. const u8 entry_size)
  846. {
  847. u64 pri_cli_nig = 0;
  848. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  849. (pri_set + pri_offset));
  850. return pri_cli_nig;
  851. }
  852. /******************************************************************************
  853. * Description:
  854. * Returns the correct value according to COS and priority in the
  855. * sp_pri_cli register for NIG.
  856. *.
  857. ******************************************************************************/
  858. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  859. {
  860. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  861. const u8 nig_cos_offset = 3;
  862. const u8 nig_pri_offset = 3;
  863. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  864. nig_pri_offset, 4);
  865. }
  866. /******************************************************************************
  867. * Description:
  868. * Returns the correct value according to COS and priority in the
  869. * sp_pri_cli register for PBF.
  870. *.
  871. ******************************************************************************/
  872. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  873. {
  874. const u8 pbf_cos_offset = 0;
  875. const u8 pbf_pri_offset = 0;
  876. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  877. pbf_pri_offset, 3);
  878. }
  879. /******************************************************************************
  880. * Description:
  881. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  882. * according to sp_pri_to_cos.(which COS has higher priority)
  883. *.
  884. ******************************************************************************/
  885. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  886. u8 *sp_pri_to_cos)
  887. {
  888. struct bnx2x *bp = params->bp;
  889. u8 i = 0;
  890. const u8 port = params->port;
  891. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  892. u64 pri_cli_nig = 0x210;
  893. u32 pri_cli_pbf = 0x0;
  894. u8 pri_set = 0;
  895. u8 pri_bitmask = 0;
  896. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  897. DCBX_E3B0_MAX_NUM_COS_PORT0;
  898. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  899. /* Set all the strict priority first */
  900. for (i = 0; i < max_num_of_cos; i++) {
  901. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  902. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  903. DP(NETIF_MSG_LINK,
  904. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  905. "invalid cos entry\n");
  906. return -EINVAL;
  907. }
  908. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  909. sp_pri_to_cos[i], pri_set);
  910. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  911. sp_pri_to_cos[i], pri_set);
  912. pri_bitmask = 1 << sp_pri_to_cos[i];
  913. /* COS is used remove it from bitmap.*/
  914. if (0 == (pri_bitmask & cos_bit_to_set)) {
  915. DP(NETIF_MSG_LINK,
  916. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  917. "invalid There can't be two COS's with"
  918. " the same strict pri\n");
  919. return -EINVAL;
  920. }
  921. cos_bit_to_set &= ~pri_bitmask;
  922. pri_set++;
  923. }
  924. }
  925. /* Set all the Non strict priority i= COS*/
  926. for (i = 0; i < max_num_of_cos; i++) {
  927. pri_bitmask = 1 << i;
  928. /* Check if COS was already used for SP */
  929. if (pri_bitmask & cos_bit_to_set) {
  930. /* COS wasn't used for SP */
  931. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  932. i, pri_set);
  933. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  934. i, pri_set);
  935. /* COS is used remove it from bitmap.*/
  936. cos_bit_to_set &= ~pri_bitmask;
  937. pri_set++;
  938. }
  939. }
  940. if (pri_set != max_num_of_cos) {
  941. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  942. "entries were set\n");
  943. return -EINVAL;
  944. }
  945. if (port) {
  946. /* Only 6 usable clients*/
  947. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  948. (u32)pri_cli_nig);
  949. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  950. } else {
  951. /* Only 9 usable clients*/
  952. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  953. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  954. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  955. pri_cli_nig_lsb);
  956. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  957. pri_cli_nig_msb);
  958. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  959. }
  960. return 0;
  961. }
  962. /******************************************************************************
  963. * Description:
  964. * Configure the COS to ETS according to BW and SP settings.
  965. ******************************************************************************/
  966. int bnx2x_ets_e3b0_config(const struct link_params *params,
  967. const struct link_vars *vars,
  968. const struct bnx2x_ets_params *ets_params)
  969. {
  970. struct bnx2x *bp = params->bp;
  971. int bnx2x_status = 0;
  972. const u8 port = params->port;
  973. u16 total_bw = 0;
  974. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  975. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  976. u8 cos_bw_bitmap = 0;
  977. u8 cos_sp_bitmap = 0;
  978. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  979. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  980. DCBX_E3B0_MAX_NUM_COS_PORT0;
  981. u8 cos_entry = 0;
  982. if (!CHIP_IS_E3B0(bp)) {
  983. DP(NETIF_MSG_LINK,
  984. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  985. return -EINVAL;
  986. }
  987. if ((ets_params->num_of_cos > max_num_of_cos)) {
  988. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  989. "isn't supported\n");
  990. return -EINVAL;
  991. }
  992. /* Prepare sp strict priority parameters*/
  993. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  994. /* Prepare BW parameters*/
  995. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  996. &total_bw);
  997. if (0 != bnx2x_status) {
  998. DP(NETIF_MSG_LINK,
  999. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1000. return -EINVAL;
  1001. }
  1002. /**
  1003. * Upper bound is set according to current link speed (min_w_val
  1004. * should be the same for upper bound and COS credit val).
  1005. */
  1006. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1007. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1008. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1009. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1010. cos_bw_bitmap |= (1 << cos_entry);
  1011. /**
  1012. * The function also sets the BW in HW(not the mappin
  1013. * yet)
  1014. */
  1015. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1016. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1017. total_bw,
  1018. ets_params->cos[cos_entry].params.bw_params.bw,
  1019. port);
  1020. } else if (bnx2x_cos_state_strict ==
  1021. ets_params->cos[cos_entry].state){
  1022. cos_sp_bitmap |= (1 << cos_entry);
  1023. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1024. params,
  1025. sp_pri_to_cos,
  1026. ets_params->cos[cos_entry].params.sp_params.pri,
  1027. cos_entry);
  1028. } else {
  1029. DP(NETIF_MSG_LINK,
  1030. "bnx2x_ets_e3b0_config cos state not valid\n");
  1031. return -EINVAL;
  1032. }
  1033. if (0 != bnx2x_status) {
  1034. DP(NETIF_MSG_LINK,
  1035. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1036. return bnx2x_status;
  1037. }
  1038. }
  1039. /* Set SP register (which COS has higher priority) */
  1040. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1041. sp_pri_to_cos);
  1042. if (0 != bnx2x_status) {
  1043. DP(NETIF_MSG_LINK,
  1044. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1045. return bnx2x_status;
  1046. }
  1047. /* Set client mapping of BW and strict */
  1048. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1049. cos_sp_bitmap,
  1050. cos_bw_bitmap);
  1051. if (0 != bnx2x_status) {
  1052. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1053. return bnx2x_status;
  1054. }
  1055. return 0;
  1056. }
  1057. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1058. {
  1059. /* ETS disabled configuration */
  1060. struct bnx2x *bp = params->bp;
  1061. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1062. /*
  1063. * defines which entries (clients) are subjected to WFQ arbitration
  1064. * COS0 0x8
  1065. * COS1 0x10
  1066. */
  1067. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1068. /*
  1069. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1070. * client numbers (WEIGHT_0 does not actually have to represent
  1071. * client 0)
  1072. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1073. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1074. */
  1075. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1076. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1077. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1079. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1080. /* ETS mode enabled*/
  1081. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1082. /* Defines the number of consecutive slots for the strict priority */
  1083. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1084. /*
  1085. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1086. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1087. * entry, 4 - COS1 entry.
  1088. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1089. * bit4 bit3 bit2 bit1 bit0
  1090. * MCP and debug are strict
  1091. */
  1092. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1093. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1094. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1095. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1096. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1097. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1098. }
  1099. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1100. const u32 cos1_bw)
  1101. {
  1102. /* ETS disabled configuration*/
  1103. struct bnx2x *bp = params->bp;
  1104. const u32 total_bw = cos0_bw + cos1_bw;
  1105. u32 cos0_credit_weight = 0;
  1106. u32 cos1_credit_weight = 0;
  1107. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1108. if ((0 == total_bw) ||
  1109. (0 == cos0_bw) ||
  1110. (0 == cos1_bw)) {
  1111. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1112. return;
  1113. }
  1114. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1115. total_bw;
  1116. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1117. total_bw;
  1118. bnx2x_ets_bw_limit_common(params);
  1119. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1121. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1122. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1123. }
  1124. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1125. {
  1126. /* ETS disabled configuration*/
  1127. struct bnx2x *bp = params->bp;
  1128. u32 val = 0;
  1129. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1130. /*
  1131. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1132. * as strict. Bits 0,1,2 - debug and management entries,
  1133. * 3 - COS0 entry, 4 - COS1 entry.
  1134. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1135. * bit4 bit3 bit2 bit1 bit0
  1136. * MCP and debug are strict
  1137. */
  1138. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1139. /*
  1140. * For strict priority entries defines the number of consecutive slots
  1141. * for the highest priority.
  1142. */
  1143. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1144. /* ETS mode disable */
  1145. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1146. /* Defines the number of consecutive slots for the strict priority */
  1147. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1148. /* Defines the number of consecutive slots for the strict priority */
  1149. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1150. /*
  1151. * mapping between entry priority to client number (0,1,2 -debug and
  1152. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1153. * 3bits client num.
  1154. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1155. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1156. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1157. */
  1158. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1159. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1160. return 0;
  1161. }
  1162. /******************************************************************/
  1163. /* PFC section */
  1164. /******************************************************************/
  1165. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1166. struct link_vars *vars,
  1167. u8 is_lb)
  1168. {
  1169. struct bnx2x *bp = params->bp;
  1170. u32 xmac_base;
  1171. u32 pause_val, pfc0_val, pfc1_val;
  1172. /* XMAC base adrr */
  1173. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1174. /* Initialize pause and pfc registers */
  1175. pause_val = 0x18000;
  1176. pfc0_val = 0xFFFF8000;
  1177. pfc1_val = 0x2;
  1178. /* No PFC support */
  1179. if (!(params->feature_config_flags &
  1180. FEATURE_CONFIG_PFC_ENABLED)) {
  1181. /*
  1182. * RX flow control - Process pause frame in receive direction
  1183. */
  1184. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1185. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1186. /*
  1187. * TX flow control - Send pause packet when buffer is full
  1188. */
  1189. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1190. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1191. } else {/* PFC support */
  1192. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1193. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1194. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1195. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1196. }
  1197. /* Write pause and PFC registers */
  1198. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1199. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1200. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1201. /* Set MAC address for source TX Pause/PFC frames */
  1202. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1203. ((params->mac_addr[2] << 24) |
  1204. (params->mac_addr[3] << 16) |
  1205. (params->mac_addr[4] << 8) |
  1206. (params->mac_addr[5])));
  1207. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1208. ((params->mac_addr[0] << 8) |
  1209. (params->mac_addr[1])));
  1210. udelay(30);
  1211. }
  1212. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1213. u32 pfc_frames_sent[2],
  1214. u32 pfc_frames_received[2])
  1215. {
  1216. /* Read pfc statistic */
  1217. struct bnx2x *bp = params->bp;
  1218. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1219. u32 val_xon = 0;
  1220. u32 val_xoff = 0;
  1221. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1222. /* PFC received frames */
  1223. val_xoff = REG_RD(bp, emac_base +
  1224. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1225. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1226. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1227. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1228. pfc_frames_received[0] = val_xon + val_xoff;
  1229. /* PFC received sent */
  1230. val_xoff = REG_RD(bp, emac_base +
  1231. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1232. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1233. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1234. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1235. pfc_frames_sent[0] = val_xon + val_xoff;
  1236. }
  1237. /* Read pfc statistic*/
  1238. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1239. u32 pfc_frames_sent[2],
  1240. u32 pfc_frames_received[2])
  1241. {
  1242. /* Read pfc statistic */
  1243. struct bnx2x *bp = params->bp;
  1244. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1245. if (!vars->link_up)
  1246. return;
  1247. if (MAC_TYPE_EMAC == vars->mac_type) {
  1248. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1249. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1250. pfc_frames_received);
  1251. }
  1252. }
  1253. /******************************************************************/
  1254. /* MAC/PBF section */
  1255. /******************************************************************/
  1256. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1257. {
  1258. u32 mode, emac_base;
  1259. /**
  1260. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1261. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1262. */
  1263. if (CHIP_IS_E2(bp))
  1264. emac_base = GRCBASE_EMAC0;
  1265. else
  1266. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1267. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1268. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1269. EMAC_MDIO_MODE_CLOCK_CNT);
  1270. if (USES_WARPCORE(bp))
  1271. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1272. else
  1273. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1274. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1275. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1276. udelay(40);
  1277. }
  1278. static void bnx2x_emac_init(struct link_params *params,
  1279. struct link_vars *vars)
  1280. {
  1281. /* reset and unreset the emac core */
  1282. struct bnx2x *bp = params->bp;
  1283. u8 port = params->port;
  1284. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1285. u32 val;
  1286. u16 timeout;
  1287. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1288. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1289. udelay(5);
  1290. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1291. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1292. /* init emac - use read-modify-write */
  1293. /* self clear reset */
  1294. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1295. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1296. timeout = 200;
  1297. do {
  1298. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1299. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1300. if (!timeout) {
  1301. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1302. return;
  1303. }
  1304. timeout--;
  1305. } while (val & EMAC_MODE_RESET);
  1306. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1307. /* Set mac address */
  1308. val = ((params->mac_addr[0] << 8) |
  1309. params->mac_addr[1]);
  1310. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1311. val = ((params->mac_addr[2] << 24) |
  1312. (params->mac_addr[3] << 16) |
  1313. (params->mac_addr[4] << 8) |
  1314. params->mac_addr[5]);
  1315. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1316. }
  1317. static void bnx2x_set_xumac_nig(struct link_params *params,
  1318. u16 tx_pause_en,
  1319. u8 enable)
  1320. {
  1321. struct bnx2x *bp = params->bp;
  1322. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1323. enable);
  1324. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1325. enable);
  1326. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1327. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1328. }
  1329. static void bnx2x_umac_disable(struct link_params *params)
  1330. {
  1331. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1332. struct bnx2x *bp = params->bp;
  1333. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1334. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1335. return;
  1336. /* Disable RX and TX */
  1337. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1338. }
  1339. static void bnx2x_umac_enable(struct link_params *params,
  1340. struct link_vars *vars, u8 lb)
  1341. {
  1342. u32 val;
  1343. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1344. struct bnx2x *bp = params->bp;
  1345. /* Reset UMAC */
  1346. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1347. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1348. usleep_range(1000, 1000);
  1349. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1350. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1351. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1352. /**
  1353. * This register determines on which events the MAC will assert
  1354. * error on the i/f to the NIG along w/ EOP.
  1355. */
  1356. /**
  1357. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1358. * params->port*0x14, 0xfffff.
  1359. */
  1360. /* This register opens the gate for the UMAC despite its name */
  1361. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1362. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1363. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1364. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1365. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1366. switch (vars->line_speed) {
  1367. case SPEED_10:
  1368. val |= (0<<2);
  1369. break;
  1370. case SPEED_100:
  1371. val |= (1<<2);
  1372. break;
  1373. case SPEED_1000:
  1374. val |= (2<<2);
  1375. break;
  1376. case SPEED_2500:
  1377. val |= (3<<2);
  1378. break;
  1379. default:
  1380. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1381. vars->line_speed);
  1382. break;
  1383. }
  1384. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1385. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1386. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1387. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1388. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1389. udelay(50);
  1390. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1391. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1392. ((params->mac_addr[2] << 24) |
  1393. (params->mac_addr[3] << 16) |
  1394. (params->mac_addr[4] << 8) |
  1395. (params->mac_addr[5])));
  1396. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1397. ((params->mac_addr[0] << 8) |
  1398. (params->mac_addr[1])));
  1399. /* Enable RX and TX */
  1400. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1401. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1402. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1403. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1404. udelay(50);
  1405. /* Remove SW Reset */
  1406. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1407. /* Check loopback mode */
  1408. if (lb)
  1409. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1410. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1411. /*
  1412. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1413. * length used by the MAC receive logic to check frames.
  1414. */
  1415. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1416. bnx2x_set_xumac_nig(params,
  1417. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1418. vars->mac_type = MAC_TYPE_UMAC;
  1419. }
  1420. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1421. {
  1422. u32 port4mode_ovwr_val;
  1423. /* Check 4-port override enabled */
  1424. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1425. if (port4mode_ovwr_val & (1<<0)) {
  1426. /* Return 4-port mode override value */
  1427. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1428. }
  1429. /* Return 4-port mode from input pin */
  1430. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1431. }
  1432. /* Define the XMAC mode */
  1433. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1434. {
  1435. struct bnx2x *bp = params->bp;
  1436. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1437. /**
  1438. * In 4-port mode, need to set the mode only once, so if XMAC is
  1439. * already out of reset, it means the mode has already been set,
  1440. * and it must not* reset the XMAC again, since it controls both
  1441. * ports of the path
  1442. **/
  1443. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1444. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1445. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1446. DP(NETIF_MSG_LINK,
  1447. "XMAC already out of reset in 4-port mode\n");
  1448. return;
  1449. }
  1450. /* Hard reset */
  1451. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1452. MISC_REGISTERS_RESET_REG_2_XMAC);
  1453. usleep_range(1000, 1000);
  1454. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1455. MISC_REGISTERS_RESET_REG_2_XMAC);
  1456. if (is_port4mode) {
  1457. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1458. /* Set the number of ports on the system side to up to 2 */
  1459. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1460. /* Set the number of ports on the Warp Core to 10G */
  1461. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1462. } else {
  1463. /* Set the number of ports on the system side to 1 */
  1464. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1465. if (max_speed == SPEED_10000) {
  1466. DP(NETIF_MSG_LINK,
  1467. "Init XMAC to 10G x 1 port per path\n");
  1468. /* Set the number of ports on the Warp Core to 10G */
  1469. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1470. } else {
  1471. DP(NETIF_MSG_LINK,
  1472. "Init XMAC to 20G x 2 ports per path\n");
  1473. /* Set the number of ports on the Warp Core to 20G */
  1474. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1475. }
  1476. }
  1477. /* Soft reset */
  1478. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1479. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1480. usleep_range(1000, 1000);
  1481. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1482. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1483. }
  1484. static void bnx2x_xmac_disable(struct link_params *params)
  1485. {
  1486. u8 port = params->port;
  1487. struct bnx2x *bp = params->bp;
  1488. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1489. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1490. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1491. /*
  1492. * Send an indication to change the state in the NIG back to XON
  1493. * Clearing this bit enables the next set of this bit to get
  1494. * rising edge
  1495. */
  1496. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1497. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1498. (pfc_ctrl & ~(1<<1)));
  1499. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1500. (pfc_ctrl | (1<<1)));
  1501. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1502. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1503. }
  1504. }
  1505. static int bnx2x_xmac_enable(struct link_params *params,
  1506. struct link_vars *vars, u8 lb)
  1507. {
  1508. u32 val, xmac_base;
  1509. struct bnx2x *bp = params->bp;
  1510. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1511. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1512. bnx2x_xmac_init(params, vars->line_speed);
  1513. /*
  1514. * This register determines on which events the MAC will assert
  1515. * error on the i/f to the NIG along w/ EOP.
  1516. */
  1517. /*
  1518. * This register tells the NIG whether to send traffic to UMAC
  1519. * or XMAC
  1520. */
  1521. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1522. /* Set Max packet size */
  1523. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1524. /* CRC append for Tx packets */
  1525. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1526. /* update PFC */
  1527. bnx2x_update_pfc_xmac(params, vars, 0);
  1528. /* Enable TX and RX */
  1529. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1530. /* Check loopback mode */
  1531. if (lb)
  1532. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1533. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1534. bnx2x_set_xumac_nig(params,
  1535. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1536. vars->mac_type = MAC_TYPE_XMAC;
  1537. return 0;
  1538. }
  1539. static int bnx2x_emac_enable(struct link_params *params,
  1540. struct link_vars *vars, u8 lb)
  1541. {
  1542. struct bnx2x *bp = params->bp;
  1543. u8 port = params->port;
  1544. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1545. u32 val;
  1546. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1547. /* Disable BMAC */
  1548. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1549. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1550. /* enable emac and not bmac */
  1551. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1552. /* ASIC */
  1553. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1554. u32 ser_lane = ((params->lane_config &
  1555. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1556. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1557. DP(NETIF_MSG_LINK, "XGXS\n");
  1558. /* select the master lanes (out of 0-3) */
  1559. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1560. /* select XGXS */
  1561. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1562. } else { /* SerDes */
  1563. DP(NETIF_MSG_LINK, "SerDes\n");
  1564. /* select SerDes */
  1565. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1566. }
  1567. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1568. EMAC_RX_MODE_RESET);
  1569. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1570. EMAC_TX_MODE_RESET);
  1571. if (CHIP_REV_IS_SLOW(bp)) {
  1572. /* config GMII mode */
  1573. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1574. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1575. } else { /* ASIC */
  1576. /* pause enable/disable */
  1577. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1578. EMAC_RX_MODE_FLOW_EN);
  1579. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1580. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1581. EMAC_TX_MODE_FLOW_EN));
  1582. if (!(params->feature_config_flags &
  1583. FEATURE_CONFIG_PFC_ENABLED)) {
  1584. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1585. bnx2x_bits_en(bp, emac_base +
  1586. EMAC_REG_EMAC_RX_MODE,
  1587. EMAC_RX_MODE_FLOW_EN);
  1588. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1589. bnx2x_bits_en(bp, emac_base +
  1590. EMAC_REG_EMAC_TX_MODE,
  1591. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1592. EMAC_TX_MODE_FLOW_EN));
  1593. } else
  1594. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1595. EMAC_TX_MODE_FLOW_EN);
  1596. }
  1597. /* KEEP_VLAN_TAG, promiscuous */
  1598. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1599. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1600. /*
  1601. * Setting this bit causes MAC control frames (except for pause
  1602. * frames) to be passed on for processing. This setting has no
  1603. * affect on the operation of the pause frames. This bit effects
  1604. * all packets regardless of RX Parser packet sorting logic.
  1605. * Turn the PFC off to make sure we are in Xon state before
  1606. * enabling it.
  1607. */
  1608. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1609. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1610. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1611. /* Enable PFC again */
  1612. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1613. EMAC_REG_RX_PFC_MODE_RX_EN |
  1614. EMAC_REG_RX_PFC_MODE_TX_EN |
  1615. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1616. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1617. ((0x0101 <<
  1618. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1619. (0x00ff <<
  1620. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1621. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1622. }
  1623. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1624. /* Set Loopback */
  1625. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1626. if (lb)
  1627. val |= 0x810;
  1628. else
  1629. val &= ~0x810;
  1630. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1631. /* enable emac */
  1632. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1633. /* enable emac for jumbo packets */
  1634. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1635. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1636. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1637. /* strip CRC */
  1638. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1639. /* disable the NIG in/out to the bmac */
  1640. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1641. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1642. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1643. /* enable the NIG in/out to the emac */
  1644. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1645. val = 0;
  1646. if ((params->feature_config_flags &
  1647. FEATURE_CONFIG_PFC_ENABLED) ||
  1648. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1649. val = 1;
  1650. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1651. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1652. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1653. vars->mac_type = MAC_TYPE_EMAC;
  1654. return 0;
  1655. }
  1656. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1657. struct link_vars *vars)
  1658. {
  1659. u32 wb_data[2];
  1660. struct bnx2x *bp = params->bp;
  1661. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1662. NIG_REG_INGRESS_BMAC0_MEM;
  1663. u32 val = 0x14;
  1664. if ((!(params->feature_config_flags &
  1665. FEATURE_CONFIG_PFC_ENABLED)) &&
  1666. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1667. /* Enable BigMAC to react on received Pause packets */
  1668. val |= (1<<5);
  1669. wb_data[0] = val;
  1670. wb_data[1] = 0;
  1671. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1672. /* tx control */
  1673. val = 0xc0;
  1674. if (!(params->feature_config_flags &
  1675. FEATURE_CONFIG_PFC_ENABLED) &&
  1676. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1677. val |= 0x800000;
  1678. wb_data[0] = val;
  1679. wb_data[1] = 0;
  1680. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1681. }
  1682. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1683. struct link_vars *vars,
  1684. u8 is_lb)
  1685. {
  1686. /*
  1687. * Set rx control: Strip CRC and enable BigMAC to relay
  1688. * control packets to the system as well
  1689. */
  1690. u32 wb_data[2];
  1691. struct bnx2x *bp = params->bp;
  1692. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1693. NIG_REG_INGRESS_BMAC0_MEM;
  1694. u32 val = 0x14;
  1695. if ((!(params->feature_config_flags &
  1696. FEATURE_CONFIG_PFC_ENABLED)) &&
  1697. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1698. /* Enable BigMAC to react on received Pause packets */
  1699. val |= (1<<5);
  1700. wb_data[0] = val;
  1701. wb_data[1] = 0;
  1702. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1703. udelay(30);
  1704. /* Tx control */
  1705. val = 0xc0;
  1706. if (!(params->feature_config_flags &
  1707. FEATURE_CONFIG_PFC_ENABLED) &&
  1708. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1709. val |= 0x800000;
  1710. wb_data[0] = val;
  1711. wb_data[1] = 0;
  1712. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1713. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1714. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1715. /* Enable PFC RX & TX & STATS and set 8 COS */
  1716. wb_data[0] = 0x0;
  1717. wb_data[0] |= (1<<0); /* RX */
  1718. wb_data[0] |= (1<<1); /* TX */
  1719. wb_data[0] |= (1<<2); /* Force initial Xon */
  1720. wb_data[0] |= (1<<3); /* 8 cos */
  1721. wb_data[0] |= (1<<5); /* STATS */
  1722. wb_data[1] = 0;
  1723. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1724. wb_data, 2);
  1725. /* Clear the force Xon */
  1726. wb_data[0] &= ~(1<<2);
  1727. } else {
  1728. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1729. /* disable PFC RX & TX & STATS and set 8 COS */
  1730. wb_data[0] = 0x8;
  1731. wb_data[1] = 0;
  1732. }
  1733. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1734. /*
  1735. * Set Time (based unit is 512 bit time) between automatic
  1736. * re-sending of PP packets amd enable automatic re-send of
  1737. * Per-Priroity Packet as long as pp_gen is asserted and
  1738. * pp_disable is low.
  1739. */
  1740. val = 0x8000;
  1741. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1742. val |= (1<<16); /* enable automatic re-send */
  1743. wb_data[0] = val;
  1744. wb_data[1] = 0;
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1746. wb_data, 2);
  1747. /* mac control */
  1748. val = 0x3; /* Enable RX and TX */
  1749. if (is_lb) {
  1750. val |= 0x4; /* Local loopback */
  1751. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1752. }
  1753. /* When PFC enabled, Pass pause frames towards the NIG. */
  1754. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1755. val |= ((1<<6)|(1<<5));
  1756. wb_data[0] = val;
  1757. wb_data[1] = 0;
  1758. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1759. }
  1760. /* PFC BRB internal port configuration params */
  1761. struct bnx2x_pfc_brb_threshold_val {
  1762. u32 pause_xoff;
  1763. u32 pause_xon;
  1764. u32 full_xoff;
  1765. u32 full_xon;
  1766. };
  1767. struct bnx2x_pfc_brb_e3b0_val {
  1768. u32 per_class_guaranty_mode;
  1769. u32 lb_guarantied_hyst;
  1770. u32 full_lb_xoff_th;
  1771. u32 full_lb_xon_threshold;
  1772. u32 lb_guarantied;
  1773. u32 mac_0_class_t_guarantied;
  1774. u32 mac_0_class_t_guarantied_hyst;
  1775. u32 mac_1_class_t_guarantied;
  1776. u32 mac_1_class_t_guarantied_hyst;
  1777. };
  1778. struct bnx2x_pfc_brb_th_val {
  1779. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1780. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1781. struct bnx2x_pfc_brb_threshold_val default_class0;
  1782. struct bnx2x_pfc_brb_threshold_val default_class1;
  1783. };
  1784. static int bnx2x_pfc_brb_get_config_params(
  1785. struct link_params *params,
  1786. struct bnx2x_pfc_brb_th_val *config_val)
  1787. {
  1788. struct bnx2x *bp = params->bp;
  1789. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1790. config_val->default_class1.pause_xoff = 0;
  1791. config_val->default_class1.pause_xon = 0;
  1792. config_val->default_class1.full_xoff = 0;
  1793. config_val->default_class1.full_xon = 0;
  1794. if (CHIP_IS_E2(bp)) {
  1795. /* class0 defaults */
  1796. config_val->default_class0.pause_xoff =
  1797. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1798. config_val->default_class0.pause_xon =
  1799. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1800. config_val->default_class0.full_xoff =
  1801. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1802. config_val->default_class0.full_xon =
  1803. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1804. /* pause able*/
  1805. config_val->pauseable_th.pause_xoff =
  1806. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1807. config_val->pauseable_th.pause_xon =
  1808. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1809. config_val->pauseable_th.full_xoff =
  1810. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1811. config_val->pauseable_th.full_xon =
  1812. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1813. /* non pause able*/
  1814. config_val->non_pauseable_th.pause_xoff =
  1815. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1816. config_val->non_pauseable_th.pause_xon =
  1817. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1818. config_val->non_pauseable_th.full_xoff =
  1819. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1820. config_val->non_pauseable_th.full_xon =
  1821. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1822. } else if (CHIP_IS_E3A0(bp)) {
  1823. /* class0 defaults */
  1824. config_val->default_class0.pause_xoff =
  1825. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1826. config_val->default_class0.pause_xon =
  1827. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1828. config_val->default_class0.full_xoff =
  1829. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1830. config_val->default_class0.full_xon =
  1831. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1832. /* pause able */
  1833. config_val->pauseable_th.pause_xoff =
  1834. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1835. config_val->pauseable_th.pause_xon =
  1836. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1837. config_val->pauseable_th.full_xoff =
  1838. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1839. config_val->pauseable_th.full_xon =
  1840. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1841. /* non pause able*/
  1842. config_val->non_pauseable_th.pause_xoff =
  1843. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1844. config_val->non_pauseable_th.pause_xon =
  1845. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1846. config_val->non_pauseable_th.full_xoff =
  1847. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1848. config_val->non_pauseable_th.full_xon =
  1849. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1850. } else if (CHIP_IS_E3B0(bp)) {
  1851. /* class0 defaults */
  1852. config_val->default_class0.pause_xoff =
  1853. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1854. config_val->default_class0.pause_xon =
  1855. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1856. config_val->default_class0.full_xoff =
  1857. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1858. config_val->default_class0.full_xon =
  1859. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1860. if (params->phy[INT_PHY].flags &
  1861. FLAGS_4_PORT_MODE) {
  1862. config_val->pauseable_th.pause_xoff =
  1863. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1864. config_val->pauseable_th.pause_xon =
  1865. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1866. config_val->pauseable_th.full_xoff =
  1867. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1868. config_val->pauseable_th.full_xon =
  1869. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1870. /* non pause able*/
  1871. config_val->non_pauseable_th.pause_xoff =
  1872. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1873. config_val->non_pauseable_th.pause_xon =
  1874. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1875. config_val->non_pauseable_th.full_xoff =
  1876. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1877. config_val->non_pauseable_th.full_xon =
  1878. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1879. } else {
  1880. config_val->pauseable_th.pause_xoff =
  1881. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1882. config_val->pauseable_th.pause_xon =
  1883. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1884. config_val->pauseable_th.full_xoff =
  1885. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1886. config_val->pauseable_th.full_xon =
  1887. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1888. /* non pause able*/
  1889. config_val->non_pauseable_th.pause_xoff =
  1890. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1891. config_val->non_pauseable_th.pause_xon =
  1892. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1893. config_val->non_pauseable_th.full_xoff =
  1894. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1895. config_val->non_pauseable_th.full_xon =
  1896. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1897. }
  1898. } else
  1899. return -EINVAL;
  1900. return 0;
  1901. }
  1902. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1903. struct link_params *params,
  1904. struct bnx2x_pfc_brb_e3b0_val
  1905. *e3b0_val,
  1906. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1907. const u8 pfc_enabled)
  1908. {
  1909. if (pfc_enabled && pfc_params) {
  1910. e3b0_val->per_class_guaranty_mode = 1;
  1911. e3b0_val->lb_guarantied_hyst = 80;
  1912. if (params->phy[INT_PHY].flags &
  1913. FLAGS_4_PORT_MODE) {
  1914. e3b0_val->full_lb_xoff_th =
  1915. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1916. e3b0_val->full_lb_xon_threshold =
  1917. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1918. e3b0_val->lb_guarantied =
  1919. PFC_E3B0_4P_LB_GUART;
  1920. e3b0_val->mac_0_class_t_guarantied =
  1921. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1922. e3b0_val->mac_0_class_t_guarantied_hyst =
  1923. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1924. e3b0_val->mac_1_class_t_guarantied =
  1925. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1926. e3b0_val->mac_1_class_t_guarantied_hyst =
  1927. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1928. } else {
  1929. e3b0_val->full_lb_xoff_th =
  1930. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1931. e3b0_val->full_lb_xon_threshold =
  1932. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1933. e3b0_val->mac_0_class_t_guarantied_hyst =
  1934. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1935. e3b0_val->mac_1_class_t_guarantied =
  1936. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1937. e3b0_val->mac_1_class_t_guarantied_hyst =
  1938. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1939. if (pfc_params->cos0_pauseable !=
  1940. pfc_params->cos1_pauseable) {
  1941. /* nonpauseable= Lossy + pauseable = Lossless*/
  1942. e3b0_val->lb_guarantied =
  1943. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1944. e3b0_val->mac_0_class_t_guarantied =
  1945. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1946. } else if (pfc_params->cos0_pauseable) {
  1947. /* Lossless +Lossless*/
  1948. e3b0_val->lb_guarantied =
  1949. PFC_E3B0_2P_PAUSE_LB_GUART;
  1950. e3b0_val->mac_0_class_t_guarantied =
  1951. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1952. } else {
  1953. /* Lossy +Lossy*/
  1954. e3b0_val->lb_guarantied =
  1955. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1956. e3b0_val->mac_0_class_t_guarantied =
  1957. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1958. }
  1959. }
  1960. } else {
  1961. e3b0_val->per_class_guaranty_mode = 0;
  1962. e3b0_val->lb_guarantied_hyst = 0;
  1963. e3b0_val->full_lb_xoff_th =
  1964. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1965. e3b0_val->full_lb_xon_threshold =
  1966. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1967. e3b0_val->lb_guarantied =
  1968. DEFAULT_E3B0_LB_GUART;
  1969. e3b0_val->mac_0_class_t_guarantied =
  1970. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1971. e3b0_val->mac_0_class_t_guarantied_hyst =
  1972. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1973. e3b0_val->mac_1_class_t_guarantied =
  1974. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1975. e3b0_val->mac_1_class_t_guarantied_hyst =
  1976. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1977. }
  1978. }
  1979. static int bnx2x_update_pfc_brb(struct link_params *params,
  1980. struct link_vars *vars,
  1981. struct bnx2x_nig_brb_pfc_port_params
  1982. *pfc_params)
  1983. {
  1984. struct bnx2x *bp = params->bp;
  1985. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1986. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1987. &config_val.pauseable_th;
  1988. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1989. const int set_pfc = params->feature_config_flags &
  1990. FEATURE_CONFIG_PFC_ENABLED;
  1991. const u8 pfc_enabled = (set_pfc && pfc_params);
  1992. int bnx2x_status = 0;
  1993. u8 port = params->port;
  1994. /* default - pause configuration */
  1995. reg_th_config = &config_val.pauseable_th;
  1996. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1997. if (0 != bnx2x_status)
  1998. return bnx2x_status;
  1999. if (pfc_enabled) {
  2000. /* First COS */
  2001. if (pfc_params->cos0_pauseable)
  2002. reg_th_config = &config_val.pauseable_th;
  2003. else
  2004. reg_th_config = &config_val.non_pauseable_th;
  2005. } else
  2006. reg_th_config = &config_val.default_class0;
  2007. /*
  2008. * The number of free blocks below which the pause signal to class 0
  2009. * of MAC #n is asserted. n=0,1
  2010. */
  2011. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2012. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2013. reg_th_config->pause_xoff);
  2014. /*
  2015. * The number of free blocks above which the pause signal to class 0
  2016. * of MAC #n is de-asserted. n=0,1
  2017. */
  2018. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2019. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2020. /*
  2021. * The number of free blocks below which the full signal to class 0
  2022. * of MAC #n is asserted. n=0,1
  2023. */
  2024. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2025. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2026. /*
  2027. * The number of free blocks above which the full signal to class 0
  2028. * of MAC #n is de-asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2031. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2032. if (pfc_enabled) {
  2033. /* Second COS */
  2034. if (pfc_params->cos1_pauseable)
  2035. reg_th_config = &config_val.pauseable_th;
  2036. else
  2037. reg_th_config = &config_val.non_pauseable_th;
  2038. } else
  2039. reg_th_config = &config_val.default_class1;
  2040. /*
  2041. * The number of free blocks below which the pause signal to
  2042. * class 1 of MAC #n is asserted. n=0,1
  2043. **/
  2044. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2045. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2046. reg_th_config->pause_xoff);
  2047. /*
  2048. * The number of free blocks above which the pause signal to
  2049. * class 1 of MAC #n is de-asserted. n=0,1
  2050. */
  2051. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2052. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2053. reg_th_config->pause_xon);
  2054. /*
  2055. * The number of free blocks below which the full signal to
  2056. * class 1 of MAC #n is asserted. n=0,1
  2057. */
  2058. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2059. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2060. reg_th_config->full_xoff);
  2061. /*
  2062. * The number of free blocks above which the full signal to
  2063. * class 1 of MAC #n is de-asserted. n=0,1
  2064. */
  2065. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2066. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2067. reg_th_config->full_xon);
  2068. if (CHIP_IS_E3B0(bp)) {
  2069. bnx2x_pfc_brb_get_e3b0_config_params(
  2070. params,
  2071. &e3b0_val,
  2072. pfc_params,
  2073. pfc_enabled);
  2074. /*Should be done by init tool */
  2075. /*
  2076. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  2077. * reset value
  2078. * 944
  2079. */
  2080. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2081. e3b0_val.per_class_guaranty_mode);
  2082. /**
  2083. * The hysteresis on the guarantied buffer space for the Lb port
  2084. * before signaling XON.
  2085. **/
  2086. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2087. e3b0_val.lb_guarantied_hyst);
  2088. /**
  2089. * The number of free blocks below which the full signal to the
  2090. * LB port is asserted.
  2091. */
  2092. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2093. e3b0_val.full_lb_xoff_th);
  2094. /**
  2095. * The number of free blocks above which the full signal to the
  2096. * LB port is de-asserted.
  2097. */
  2098. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2099. e3b0_val.full_lb_xon_threshold);
  2100. /**
  2101. * The number of blocks guarantied for the MAC #n port. n=0,1
  2102. */
  2103. /*The number of blocks guarantied for the LB port.*/
  2104. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2105. e3b0_val.lb_guarantied);
  2106. /**
  2107. * The number of blocks guarantied for the MAC #n port.
  2108. */
  2109. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2110. 2 * e3b0_val.mac_0_class_t_guarantied);
  2111. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2112. 2 * e3b0_val.mac_1_class_t_guarantied);
  2113. /**
  2114. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2115. */
  2116. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2117. e3b0_val.mac_0_class_t_guarantied);
  2118. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2119. e3b0_val.mac_0_class_t_guarantied);
  2120. /**
  2121. * The hysteresis on the guarantied buffer space for class in
  2122. * MAC0. t=0,1
  2123. */
  2124. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2125. e3b0_val.mac_0_class_t_guarantied_hyst);
  2126. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2127. e3b0_val.mac_0_class_t_guarantied_hyst);
  2128. /**
  2129. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2130. */
  2131. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2132. e3b0_val.mac_1_class_t_guarantied);
  2133. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2134. e3b0_val.mac_1_class_t_guarantied);
  2135. /**
  2136. * The hysteresis on the guarantied buffer space for class #t
  2137. * in MAC1. t=0,1
  2138. */
  2139. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2140. e3b0_val.mac_1_class_t_guarantied_hyst);
  2141. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2142. e3b0_val.mac_1_class_t_guarantied_hyst);
  2143. }
  2144. return bnx2x_status;
  2145. }
  2146. /******************************************************************************
  2147. * Description:
  2148. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2149. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2150. ******************************************************************************/
  2151. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2152. u8 cos_entry,
  2153. u32 priority_mask, u8 port)
  2154. {
  2155. u32 nig_reg_rx_priority_mask_add = 0;
  2156. switch (cos_entry) {
  2157. case 0:
  2158. nig_reg_rx_priority_mask_add = (port) ?
  2159. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2160. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2161. break;
  2162. case 1:
  2163. nig_reg_rx_priority_mask_add = (port) ?
  2164. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2165. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2166. break;
  2167. case 2:
  2168. nig_reg_rx_priority_mask_add = (port) ?
  2169. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2170. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2171. break;
  2172. case 3:
  2173. if (port)
  2174. return -EINVAL;
  2175. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2176. break;
  2177. case 4:
  2178. if (port)
  2179. return -EINVAL;
  2180. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2181. break;
  2182. case 5:
  2183. if (port)
  2184. return -EINVAL;
  2185. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2186. break;
  2187. }
  2188. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2189. return 0;
  2190. }
  2191. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2192. {
  2193. struct bnx2x *bp = params->bp;
  2194. REG_WR(bp, params->shmem_base +
  2195. offsetof(struct shmem_region,
  2196. port_mb[params->port].link_status), link_status);
  2197. }
  2198. static void bnx2x_update_pfc_nig(struct link_params *params,
  2199. struct link_vars *vars,
  2200. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2201. {
  2202. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2203. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2204. u32 pkt_priority_to_cos = 0;
  2205. struct bnx2x *bp = params->bp;
  2206. u8 port = params->port;
  2207. int set_pfc = params->feature_config_flags &
  2208. FEATURE_CONFIG_PFC_ENABLED;
  2209. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2210. /*
  2211. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2212. * MAC control frames (that are not pause packets)
  2213. * will be forwarded to the XCM.
  2214. */
  2215. xcm_mask = REG_RD(bp,
  2216. port ? NIG_REG_LLH1_XCM_MASK :
  2217. NIG_REG_LLH0_XCM_MASK);
  2218. /*
  2219. * nig params will override non PFC params, since it's possible to
  2220. * do transition from PFC to SAFC
  2221. */
  2222. if (set_pfc) {
  2223. pause_enable = 0;
  2224. llfc_out_en = 0;
  2225. llfc_enable = 0;
  2226. if (CHIP_IS_E3(bp))
  2227. ppp_enable = 0;
  2228. else
  2229. ppp_enable = 1;
  2230. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2231. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2232. xcm0_out_en = 0;
  2233. p0_hwpfc_enable = 1;
  2234. } else {
  2235. if (nig_params) {
  2236. llfc_out_en = nig_params->llfc_out_en;
  2237. llfc_enable = nig_params->llfc_enable;
  2238. pause_enable = nig_params->pause_enable;
  2239. } else /*defaul non PFC mode - PAUSE */
  2240. pause_enable = 1;
  2241. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2242. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2243. xcm0_out_en = 1;
  2244. }
  2245. if (CHIP_IS_E3(bp))
  2246. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2247. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2248. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2249. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2250. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2251. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2252. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2253. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2254. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2255. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2256. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2257. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2258. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2259. /* output enable for RX_XCM # IF */
  2260. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2261. /* HW PFC TX enable */
  2262. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2263. if (nig_params) {
  2264. u8 i = 0;
  2265. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2266. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2267. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2268. nig_params->rx_cos_priority_mask[i], port);
  2269. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2270. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2271. nig_params->llfc_high_priority_classes);
  2272. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2273. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2274. nig_params->llfc_low_priority_classes);
  2275. }
  2276. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2277. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2278. pkt_priority_to_cos);
  2279. }
  2280. int bnx2x_update_pfc(struct link_params *params,
  2281. struct link_vars *vars,
  2282. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2283. {
  2284. /*
  2285. * The PFC and pause are orthogonal to one another, meaning when
  2286. * PFC is enabled, the pause are disabled, and when PFC is
  2287. * disabled, pause are set according to the pause result.
  2288. */
  2289. u32 val;
  2290. struct bnx2x *bp = params->bp;
  2291. int bnx2x_status = 0;
  2292. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2293. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2294. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2295. else
  2296. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2297. bnx2x_update_mng(params, vars->link_status);
  2298. /* update NIG params */
  2299. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2300. /* update BRB params */
  2301. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2302. if (0 != bnx2x_status)
  2303. return bnx2x_status;
  2304. if (!vars->link_up)
  2305. return bnx2x_status;
  2306. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2307. if (CHIP_IS_E3(bp))
  2308. bnx2x_update_pfc_xmac(params, vars, 0);
  2309. else {
  2310. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2311. if ((val &
  2312. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2313. == 0) {
  2314. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2315. bnx2x_emac_enable(params, vars, 0);
  2316. return bnx2x_status;
  2317. }
  2318. if (CHIP_IS_E2(bp))
  2319. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2320. else
  2321. bnx2x_update_pfc_bmac1(params, vars);
  2322. val = 0;
  2323. if ((params->feature_config_flags &
  2324. FEATURE_CONFIG_PFC_ENABLED) ||
  2325. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2326. val = 1;
  2327. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2328. }
  2329. return bnx2x_status;
  2330. }
  2331. static int bnx2x_bmac1_enable(struct link_params *params,
  2332. struct link_vars *vars,
  2333. u8 is_lb)
  2334. {
  2335. struct bnx2x *bp = params->bp;
  2336. u8 port = params->port;
  2337. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2338. NIG_REG_INGRESS_BMAC0_MEM;
  2339. u32 wb_data[2];
  2340. u32 val;
  2341. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2342. /* XGXS control */
  2343. wb_data[0] = 0x3c;
  2344. wb_data[1] = 0;
  2345. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2346. wb_data, 2);
  2347. /* tx MAC SA */
  2348. wb_data[0] = ((params->mac_addr[2] << 24) |
  2349. (params->mac_addr[3] << 16) |
  2350. (params->mac_addr[4] << 8) |
  2351. params->mac_addr[5]);
  2352. wb_data[1] = ((params->mac_addr[0] << 8) |
  2353. params->mac_addr[1]);
  2354. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2355. /* mac control */
  2356. val = 0x3;
  2357. if (is_lb) {
  2358. val |= 0x4;
  2359. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2360. }
  2361. wb_data[0] = val;
  2362. wb_data[1] = 0;
  2363. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2364. /* set rx mtu */
  2365. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2366. wb_data[1] = 0;
  2367. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2368. bnx2x_update_pfc_bmac1(params, vars);
  2369. /* set tx mtu */
  2370. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2371. wb_data[1] = 0;
  2372. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2373. /* set cnt max size */
  2374. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2375. wb_data[1] = 0;
  2376. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2377. /* configure safc */
  2378. wb_data[0] = 0x1000200;
  2379. wb_data[1] = 0;
  2380. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2381. wb_data, 2);
  2382. return 0;
  2383. }
  2384. static int bnx2x_bmac2_enable(struct link_params *params,
  2385. struct link_vars *vars,
  2386. u8 is_lb)
  2387. {
  2388. struct bnx2x *bp = params->bp;
  2389. u8 port = params->port;
  2390. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2391. NIG_REG_INGRESS_BMAC0_MEM;
  2392. u32 wb_data[2];
  2393. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2394. wb_data[0] = 0;
  2395. wb_data[1] = 0;
  2396. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2397. udelay(30);
  2398. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2399. wb_data[0] = 0x3c;
  2400. wb_data[1] = 0;
  2401. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2402. wb_data, 2);
  2403. udelay(30);
  2404. /* tx MAC SA */
  2405. wb_data[0] = ((params->mac_addr[2] << 24) |
  2406. (params->mac_addr[3] << 16) |
  2407. (params->mac_addr[4] << 8) |
  2408. params->mac_addr[5]);
  2409. wb_data[1] = ((params->mac_addr[0] << 8) |
  2410. params->mac_addr[1]);
  2411. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2412. wb_data, 2);
  2413. udelay(30);
  2414. /* Configure SAFC */
  2415. wb_data[0] = 0x1000200;
  2416. wb_data[1] = 0;
  2417. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2418. wb_data, 2);
  2419. udelay(30);
  2420. /* set rx mtu */
  2421. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2422. wb_data[1] = 0;
  2423. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2424. udelay(30);
  2425. /* set tx mtu */
  2426. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2427. wb_data[1] = 0;
  2428. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2429. udelay(30);
  2430. /* set cnt max size */
  2431. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2432. wb_data[1] = 0;
  2433. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2434. udelay(30);
  2435. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2436. return 0;
  2437. }
  2438. static int bnx2x_bmac_enable(struct link_params *params,
  2439. struct link_vars *vars,
  2440. u8 is_lb)
  2441. {
  2442. int rc = 0;
  2443. u8 port = params->port;
  2444. struct bnx2x *bp = params->bp;
  2445. u32 val;
  2446. /* reset and unreset the BigMac */
  2447. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2448. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2449. msleep(1);
  2450. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2451. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2452. /* enable access for bmac registers */
  2453. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2454. /* Enable BMAC according to BMAC type*/
  2455. if (CHIP_IS_E2(bp))
  2456. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2457. else
  2458. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2459. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2460. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2461. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2462. val = 0;
  2463. if ((params->feature_config_flags &
  2464. FEATURE_CONFIG_PFC_ENABLED) ||
  2465. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2466. val = 1;
  2467. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2468. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2469. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2470. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2471. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2472. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2473. vars->mac_type = MAC_TYPE_BMAC;
  2474. return rc;
  2475. }
  2476. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2477. {
  2478. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2479. NIG_REG_INGRESS_BMAC0_MEM;
  2480. u32 wb_data[2];
  2481. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2482. /* Only if the bmac is out of reset */
  2483. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2484. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2485. nig_bmac_enable) {
  2486. if (CHIP_IS_E2(bp)) {
  2487. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2488. REG_RD_DMAE(bp, bmac_addr +
  2489. BIGMAC2_REGISTER_BMAC_CONTROL,
  2490. wb_data, 2);
  2491. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2492. REG_WR_DMAE(bp, bmac_addr +
  2493. BIGMAC2_REGISTER_BMAC_CONTROL,
  2494. wb_data, 2);
  2495. } else {
  2496. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2497. REG_RD_DMAE(bp, bmac_addr +
  2498. BIGMAC_REGISTER_BMAC_CONTROL,
  2499. wb_data, 2);
  2500. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2501. REG_WR_DMAE(bp, bmac_addr +
  2502. BIGMAC_REGISTER_BMAC_CONTROL,
  2503. wb_data, 2);
  2504. }
  2505. msleep(1);
  2506. }
  2507. }
  2508. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2509. u32 line_speed)
  2510. {
  2511. struct bnx2x *bp = params->bp;
  2512. u8 port = params->port;
  2513. u32 init_crd, crd;
  2514. u32 count = 1000;
  2515. /* disable port */
  2516. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2517. /* wait for init credit */
  2518. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2519. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2520. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2521. while ((init_crd != crd) && count) {
  2522. msleep(5);
  2523. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2524. count--;
  2525. }
  2526. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2527. if (init_crd != crd) {
  2528. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2529. init_crd, crd);
  2530. return -EINVAL;
  2531. }
  2532. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2533. line_speed == SPEED_10 ||
  2534. line_speed == SPEED_100 ||
  2535. line_speed == SPEED_1000 ||
  2536. line_speed == SPEED_2500) {
  2537. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2538. /* update threshold */
  2539. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2540. /* update init credit */
  2541. init_crd = 778; /* (800-18-4) */
  2542. } else {
  2543. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2544. ETH_OVREHEAD)/16;
  2545. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2546. /* update threshold */
  2547. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2548. /* update init credit */
  2549. switch (line_speed) {
  2550. case SPEED_10000:
  2551. init_crd = thresh + 553 - 22;
  2552. break;
  2553. default:
  2554. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2555. line_speed);
  2556. return -EINVAL;
  2557. }
  2558. }
  2559. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2560. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2561. line_speed, init_crd);
  2562. /* probe the credit changes */
  2563. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2564. msleep(5);
  2565. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2566. /* enable port */
  2567. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2568. return 0;
  2569. }
  2570. /**
  2571. * bnx2x_get_emac_base - retrive emac base address
  2572. *
  2573. * @bp: driver handle
  2574. * @mdc_mdio_access: access type
  2575. * @port: port id
  2576. *
  2577. * This function selects the MDC/MDIO access (through emac0 or
  2578. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2579. * phy has a default access mode, which could also be overridden
  2580. * by nvram configuration. This parameter, whether this is the
  2581. * default phy configuration, or the nvram overrun
  2582. * configuration, is passed here as mdc_mdio_access and selects
  2583. * the emac_base for the CL45 read/writes operations
  2584. */
  2585. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2586. u32 mdc_mdio_access, u8 port)
  2587. {
  2588. u32 emac_base = 0;
  2589. switch (mdc_mdio_access) {
  2590. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2591. break;
  2592. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2593. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2594. emac_base = GRCBASE_EMAC1;
  2595. else
  2596. emac_base = GRCBASE_EMAC0;
  2597. break;
  2598. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2599. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2600. emac_base = GRCBASE_EMAC0;
  2601. else
  2602. emac_base = GRCBASE_EMAC1;
  2603. break;
  2604. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2605. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2606. break;
  2607. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2608. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2609. break;
  2610. default:
  2611. break;
  2612. }
  2613. return emac_base;
  2614. }
  2615. /******************************************************************/
  2616. /* CL22 access functions */
  2617. /******************************************************************/
  2618. static int bnx2x_cl22_write(struct bnx2x *bp,
  2619. struct bnx2x_phy *phy,
  2620. u16 reg, u16 val)
  2621. {
  2622. u32 tmp, mode;
  2623. u8 i;
  2624. int rc = 0;
  2625. /* Switch to CL22 */
  2626. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2627. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2628. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2629. /* address */
  2630. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2631. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2632. EMAC_MDIO_COMM_START_BUSY);
  2633. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2634. for (i = 0; i < 50; i++) {
  2635. udelay(10);
  2636. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2637. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2638. udelay(5);
  2639. break;
  2640. }
  2641. }
  2642. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2643. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2644. rc = -EFAULT;
  2645. }
  2646. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2647. return rc;
  2648. }
  2649. static int bnx2x_cl22_read(struct bnx2x *bp,
  2650. struct bnx2x_phy *phy,
  2651. u16 reg, u16 *ret_val)
  2652. {
  2653. u32 val, mode;
  2654. u16 i;
  2655. int rc = 0;
  2656. /* Switch to CL22 */
  2657. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2658. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2659. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2660. /* address */
  2661. val = ((phy->addr << 21) | (reg << 16) |
  2662. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2663. EMAC_MDIO_COMM_START_BUSY);
  2664. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2665. for (i = 0; i < 50; i++) {
  2666. udelay(10);
  2667. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2668. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2669. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2670. udelay(5);
  2671. break;
  2672. }
  2673. }
  2674. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2675. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2676. *ret_val = 0;
  2677. rc = -EFAULT;
  2678. }
  2679. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2680. return rc;
  2681. }
  2682. /******************************************************************/
  2683. /* CL45 access functions */
  2684. /******************************************************************/
  2685. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2686. u8 devad, u16 reg, u16 *ret_val)
  2687. {
  2688. u32 val;
  2689. u16 i;
  2690. int rc = 0;
  2691. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2692. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2693. EMAC_MDIO_STATUS_10MB);
  2694. /* address */
  2695. val = ((phy->addr << 21) | (devad << 16) | reg |
  2696. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2697. EMAC_MDIO_COMM_START_BUSY);
  2698. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2699. for (i = 0; i < 50; i++) {
  2700. udelay(10);
  2701. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2702. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2703. udelay(5);
  2704. break;
  2705. }
  2706. }
  2707. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2708. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2709. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2710. *ret_val = 0;
  2711. rc = -EFAULT;
  2712. } else {
  2713. /* data */
  2714. val = ((phy->addr << 21) | (devad << 16) |
  2715. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2716. EMAC_MDIO_COMM_START_BUSY);
  2717. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2718. for (i = 0; i < 50; i++) {
  2719. udelay(10);
  2720. val = REG_RD(bp, phy->mdio_ctrl +
  2721. EMAC_REG_EMAC_MDIO_COMM);
  2722. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2723. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2724. break;
  2725. }
  2726. }
  2727. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2728. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2729. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2730. *ret_val = 0;
  2731. rc = -EFAULT;
  2732. }
  2733. }
  2734. /* Work around for E3 A0 */
  2735. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2736. phy->flags ^= FLAGS_DUMMY_READ;
  2737. if (phy->flags & FLAGS_DUMMY_READ) {
  2738. u16 temp_val;
  2739. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2740. }
  2741. }
  2742. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2743. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2744. EMAC_MDIO_STATUS_10MB);
  2745. return rc;
  2746. }
  2747. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2748. u8 devad, u16 reg, u16 val)
  2749. {
  2750. u32 tmp;
  2751. u8 i;
  2752. int rc = 0;
  2753. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2754. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2755. EMAC_MDIO_STATUS_10MB);
  2756. /* address */
  2757. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2758. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2759. EMAC_MDIO_COMM_START_BUSY);
  2760. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2761. for (i = 0; i < 50; i++) {
  2762. udelay(10);
  2763. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2764. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2765. udelay(5);
  2766. break;
  2767. }
  2768. }
  2769. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2770. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2771. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2772. rc = -EFAULT;
  2773. } else {
  2774. /* data */
  2775. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2776. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2777. EMAC_MDIO_COMM_START_BUSY);
  2778. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2779. for (i = 0; i < 50; i++) {
  2780. udelay(10);
  2781. tmp = REG_RD(bp, phy->mdio_ctrl +
  2782. EMAC_REG_EMAC_MDIO_COMM);
  2783. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2784. udelay(5);
  2785. break;
  2786. }
  2787. }
  2788. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2789. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2790. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2791. rc = -EFAULT;
  2792. }
  2793. }
  2794. /* Work around for E3 A0 */
  2795. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2796. phy->flags ^= FLAGS_DUMMY_READ;
  2797. if (phy->flags & FLAGS_DUMMY_READ) {
  2798. u16 temp_val;
  2799. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2800. }
  2801. }
  2802. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2803. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2804. EMAC_MDIO_STATUS_10MB);
  2805. return rc;
  2806. }
  2807. /******************************************************************/
  2808. /* BSC access functions from E3 */
  2809. /******************************************************************/
  2810. static void bnx2x_bsc_module_sel(struct link_params *params)
  2811. {
  2812. int idx;
  2813. u32 board_cfg, sfp_ctrl;
  2814. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2815. struct bnx2x *bp = params->bp;
  2816. u8 port = params->port;
  2817. /* Read I2C output PINs */
  2818. board_cfg = REG_RD(bp, params->shmem_base +
  2819. offsetof(struct shmem_region,
  2820. dev_info.shared_hw_config.board));
  2821. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2822. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2823. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2824. /* Read I2C output value */
  2825. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2826. offsetof(struct shmem_region,
  2827. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2828. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2829. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2830. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2831. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2832. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2833. }
  2834. static int bnx2x_bsc_read(struct link_params *params,
  2835. struct bnx2x_phy *phy,
  2836. u8 sl_devid,
  2837. u16 sl_addr,
  2838. u8 lc_addr,
  2839. u8 xfer_cnt,
  2840. u32 *data_array)
  2841. {
  2842. u32 val, i;
  2843. int rc = 0;
  2844. struct bnx2x *bp = params->bp;
  2845. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2846. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2847. return -EINVAL;
  2848. }
  2849. if (xfer_cnt > 16) {
  2850. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2851. xfer_cnt);
  2852. return -EINVAL;
  2853. }
  2854. bnx2x_bsc_module_sel(params);
  2855. xfer_cnt = 16 - lc_addr;
  2856. /* enable the engine */
  2857. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2858. val |= MCPR_IMC_COMMAND_ENABLE;
  2859. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2860. /* program slave device ID */
  2861. val = (sl_devid << 16) | sl_addr;
  2862. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2863. /* start xfer with 0 byte to update the address pointer ???*/
  2864. val = (MCPR_IMC_COMMAND_ENABLE) |
  2865. (MCPR_IMC_COMMAND_WRITE_OP <<
  2866. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2867. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2868. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2869. /* poll for completion */
  2870. i = 0;
  2871. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2872. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2873. udelay(10);
  2874. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2875. if (i++ > 1000) {
  2876. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2877. i);
  2878. rc = -EFAULT;
  2879. break;
  2880. }
  2881. }
  2882. if (rc == -EFAULT)
  2883. return rc;
  2884. /* start xfer with read op */
  2885. val = (MCPR_IMC_COMMAND_ENABLE) |
  2886. (MCPR_IMC_COMMAND_READ_OP <<
  2887. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2888. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2889. (xfer_cnt);
  2890. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2891. /* poll for completion */
  2892. i = 0;
  2893. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2894. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2895. udelay(10);
  2896. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2897. if (i++ > 1000) {
  2898. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2899. rc = -EFAULT;
  2900. break;
  2901. }
  2902. }
  2903. if (rc == -EFAULT)
  2904. return rc;
  2905. for (i = (lc_addr >> 2); i < 4; i++) {
  2906. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2907. #ifdef __BIG_ENDIAN
  2908. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2909. ((data_array[i] & 0x0000ff00) << 8) |
  2910. ((data_array[i] & 0x00ff0000) >> 8) |
  2911. ((data_array[i] & 0xff000000) >> 24);
  2912. #endif
  2913. }
  2914. return rc;
  2915. }
  2916. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2917. u8 devad, u16 reg, u16 or_val)
  2918. {
  2919. u16 val;
  2920. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2921. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2922. }
  2923. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2924. u8 devad, u16 reg, u16 *ret_val)
  2925. {
  2926. u8 phy_index;
  2927. /*
  2928. * Probe for the phy according to the given phy_addr, and execute
  2929. * the read request on it
  2930. */
  2931. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2932. if (params->phy[phy_index].addr == phy_addr) {
  2933. return bnx2x_cl45_read(params->bp,
  2934. &params->phy[phy_index], devad,
  2935. reg, ret_val);
  2936. }
  2937. }
  2938. return -EINVAL;
  2939. }
  2940. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2941. u8 devad, u16 reg, u16 val)
  2942. {
  2943. u8 phy_index;
  2944. /*
  2945. * Probe for the phy according to the given phy_addr, and execute
  2946. * the write request on it
  2947. */
  2948. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2949. if (params->phy[phy_index].addr == phy_addr) {
  2950. return bnx2x_cl45_write(params->bp,
  2951. &params->phy[phy_index], devad,
  2952. reg, val);
  2953. }
  2954. }
  2955. return -EINVAL;
  2956. }
  2957. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2958. struct link_params *params)
  2959. {
  2960. u8 lane = 0;
  2961. struct bnx2x *bp = params->bp;
  2962. u32 path_swap, path_swap_ovr;
  2963. u8 path, port;
  2964. path = BP_PATH(bp);
  2965. port = params->port;
  2966. if (bnx2x_is_4_port_mode(bp)) {
  2967. u32 port_swap, port_swap_ovr;
  2968. /*figure out path swap value */
  2969. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2970. if (path_swap_ovr & 0x1)
  2971. path_swap = (path_swap_ovr & 0x2);
  2972. else
  2973. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2974. if (path_swap)
  2975. path = path ^ 1;
  2976. /*figure out port swap value */
  2977. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2978. if (port_swap_ovr & 0x1)
  2979. port_swap = (port_swap_ovr & 0x2);
  2980. else
  2981. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2982. if (port_swap)
  2983. port = port ^ 1;
  2984. lane = (port<<1) + path;
  2985. } else { /* two port mode - no port swap */
  2986. /*figure out path swap value */
  2987. path_swap_ovr =
  2988. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2989. if (path_swap_ovr & 0x1) {
  2990. path_swap = (path_swap_ovr & 0x2);
  2991. } else {
  2992. path_swap =
  2993. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2994. }
  2995. if (path_swap)
  2996. path = path ^ 1;
  2997. lane = path << 1 ;
  2998. }
  2999. return lane;
  3000. }
  3001. static void bnx2x_set_aer_mmd(struct link_params *params,
  3002. struct bnx2x_phy *phy)
  3003. {
  3004. u32 ser_lane;
  3005. u16 offset, aer_val;
  3006. struct bnx2x *bp = params->bp;
  3007. ser_lane = ((params->lane_config &
  3008. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3009. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3010. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3011. (phy->addr + ser_lane) : 0;
  3012. if (USES_WARPCORE(bp)) {
  3013. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3014. /*
  3015. * In Dual-lane mode, two lanes are joined together,
  3016. * so in order to configure them, the AER broadcast method is
  3017. * used here.
  3018. * 0x200 is the broadcast address for lanes 0,1
  3019. * 0x201 is the broadcast address for lanes 2,3
  3020. */
  3021. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3022. aer_val = (aer_val >> 1) | 0x200;
  3023. } else if (CHIP_IS_E2(bp))
  3024. aer_val = 0x3800 + offset - 1;
  3025. else
  3026. aer_val = 0x3800 + offset;
  3027. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  3028. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3029. MDIO_AER_BLOCK_AER_REG, aer_val);
  3030. }
  3031. /******************************************************************/
  3032. /* Internal phy section */
  3033. /******************************************************************/
  3034. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3035. {
  3036. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3037. /* Set Clause 22 */
  3038. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3039. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3040. udelay(500);
  3041. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3042. udelay(500);
  3043. /* Set Clause 45 */
  3044. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3045. }
  3046. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3047. {
  3048. u32 val;
  3049. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3050. val = SERDES_RESET_BITS << (port*16);
  3051. /* reset and unreset the SerDes/XGXS */
  3052. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3053. udelay(500);
  3054. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3055. bnx2x_set_serdes_access(bp, port);
  3056. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3057. DEFAULT_PHY_DEV_ADDR);
  3058. }
  3059. static void bnx2x_xgxs_deassert(struct link_params *params)
  3060. {
  3061. struct bnx2x *bp = params->bp;
  3062. u8 port;
  3063. u32 val;
  3064. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3065. port = params->port;
  3066. val = XGXS_RESET_BITS << (port*16);
  3067. /* reset and unreset the SerDes/XGXS */
  3068. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3069. udelay(500);
  3070. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3071. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3072. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3073. params->phy[INT_PHY].def_md_devad);
  3074. }
  3075. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3076. struct link_params *params, u16 *ieee_fc)
  3077. {
  3078. struct bnx2x *bp = params->bp;
  3079. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3080. /**
  3081. * resolve pause mode and advertisement Please refer to Table
  3082. * 28B-3 of the 802.3ab-1999 spec
  3083. */
  3084. switch (phy->req_flow_ctrl) {
  3085. case BNX2X_FLOW_CTRL_AUTO:
  3086. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3087. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3088. else
  3089. *ieee_fc |=
  3090. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3091. break;
  3092. case BNX2X_FLOW_CTRL_TX:
  3093. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3094. break;
  3095. case BNX2X_FLOW_CTRL_RX:
  3096. case BNX2X_FLOW_CTRL_BOTH:
  3097. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3098. break;
  3099. case BNX2X_FLOW_CTRL_NONE:
  3100. default:
  3101. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3102. break;
  3103. }
  3104. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3105. }
  3106. static void set_phy_vars(struct link_params *params,
  3107. struct link_vars *vars)
  3108. {
  3109. struct bnx2x *bp = params->bp;
  3110. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3111. u8 phy_config_swapped = params->multi_phy_config &
  3112. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3113. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3114. phy_index++) {
  3115. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3116. actual_phy_idx = phy_index;
  3117. if (phy_config_swapped) {
  3118. if (phy_index == EXT_PHY1)
  3119. actual_phy_idx = EXT_PHY2;
  3120. else if (phy_index == EXT_PHY2)
  3121. actual_phy_idx = EXT_PHY1;
  3122. }
  3123. params->phy[actual_phy_idx].req_flow_ctrl =
  3124. params->req_flow_ctrl[link_cfg_idx];
  3125. params->phy[actual_phy_idx].req_line_speed =
  3126. params->req_line_speed[link_cfg_idx];
  3127. params->phy[actual_phy_idx].speed_cap_mask =
  3128. params->speed_cap_mask[link_cfg_idx];
  3129. params->phy[actual_phy_idx].req_duplex =
  3130. params->req_duplex[link_cfg_idx];
  3131. if (params->req_line_speed[link_cfg_idx] ==
  3132. SPEED_AUTO_NEG)
  3133. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3134. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3135. " speed_cap_mask %x\n",
  3136. params->phy[actual_phy_idx].req_flow_ctrl,
  3137. params->phy[actual_phy_idx].req_line_speed,
  3138. params->phy[actual_phy_idx].speed_cap_mask);
  3139. }
  3140. }
  3141. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3142. struct bnx2x_phy *phy,
  3143. struct link_vars *vars)
  3144. {
  3145. u16 val;
  3146. struct bnx2x *bp = params->bp;
  3147. /* read modify write pause advertizing */
  3148. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3149. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3150. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3151. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3152. if ((vars->ieee_fc &
  3153. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3154. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3155. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3156. }
  3157. if ((vars->ieee_fc &
  3158. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3159. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3160. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3161. }
  3162. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3163. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3164. }
  3165. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3166. { /* LD LP */
  3167. switch (pause_result) { /* ASYM P ASYM P */
  3168. case 0xb: /* 1 0 1 1 */
  3169. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3170. break;
  3171. case 0xe: /* 1 1 1 0 */
  3172. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3173. break;
  3174. case 0x5: /* 0 1 0 1 */
  3175. case 0x7: /* 0 1 1 1 */
  3176. case 0xd: /* 1 1 0 1 */
  3177. case 0xf: /* 1 1 1 1 */
  3178. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3179. break;
  3180. default:
  3181. break;
  3182. }
  3183. if (pause_result & (1<<0))
  3184. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3185. if (pause_result & (1<<1))
  3186. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3187. }
  3188. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3189. struct link_params *params,
  3190. struct link_vars *vars)
  3191. {
  3192. struct bnx2x *bp = params->bp;
  3193. u16 ld_pause; /* local */
  3194. u16 lp_pause; /* link partner */
  3195. u16 pause_result;
  3196. u8 ret = 0;
  3197. /* read twice */
  3198. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3199. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3200. vars->flow_ctrl = phy->req_flow_ctrl;
  3201. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3202. vars->flow_ctrl = params->req_fc_auto_adv;
  3203. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3204. ret = 1;
  3205. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3206. bnx2x_cl22_read(bp, phy,
  3207. 0x4, &ld_pause);
  3208. bnx2x_cl22_read(bp, phy,
  3209. 0x5, &lp_pause);
  3210. } else {
  3211. bnx2x_cl45_read(bp, phy,
  3212. MDIO_AN_DEVAD,
  3213. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3214. bnx2x_cl45_read(bp, phy,
  3215. MDIO_AN_DEVAD,
  3216. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3217. }
  3218. pause_result = (ld_pause &
  3219. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3220. pause_result |= (lp_pause &
  3221. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3222. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3223. pause_result);
  3224. bnx2x_pause_resolve(vars, pause_result);
  3225. }
  3226. return ret;
  3227. }
  3228. /******************************************************************/
  3229. /* Warpcore section */
  3230. /******************************************************************/
  3231. /* The init_internal_warpcore should mirror the xgxs,
  3232. * i.e. reset the lane (if needed), set aer for the
  3233. * init configuration, and set/clear SGMII flag. Internal
  3234. * phy init is done purely in phy_init stage.
  3235. */
  3236. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3237. struct link_params *params,
  3238. struct link_vars *vars) {
  3239. u16 val16 = 0, lane, bam37 = 0;
  3240. struct bnx2x *bp = params->bp;
  3241. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3242. /* Disable Autoneg: re-enable it after adv is done. */
  3243. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3244. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3245. /* Check adding advertisement for 1G KX */
  3246. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3247. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3248. (vars->line_speed == SPEED_1000)) {
  3249. u16 sd_digital;
  3250. val16 |= (1<<5);
  3251. /* Enable CL37 1G Parallel Detect */
  3252. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3254. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3256. (sd_digital | 0x1));
  3257. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3258. }
  3259. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3260. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3261. (vars->line_speed == SPEED_10000)) {
  3262. /* Check adding advertisement for 10G KR */
  3263. val16 |= (1<<7);
  3264. /* Enable 10G Parallel Detect */
  3265. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3266. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3267. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3268. }
  3269. /* Set Transmit PMD settings */
  3270. lane = bnx2x_get_warpcore_lane(phy, params);
  3271. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3273. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3274. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3275. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3276. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3278. 0x03f0);
  3279. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3280. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3281. 0x03f0);
  3282. /* Advertised speeds */
  3283. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3284. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3285. /* Advertised and set FEC (Forward Error Correction) */
  3286. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3287. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3288. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3289. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3290. /* Enable CL37 BAM */
  3291. if (REG_RD(bp, params->shmem_base +
  3292. offsetof(struct shmem_region, dev_info.
  3293. port_hw_config[params->port].default_cfg)) &
  3294. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3295. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3297. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3299. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3300. }
  3301. /* Advertise pause */
  3302. bnx2x_ext_phy_set_pause(params, phy, vars);
  3303. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3304. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3306. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3308. /* Over 1G - AN local device user page 1 */
  3309. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3311. /* Enable Autoneg */
  3312. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3313. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3314. }
  3315. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3316. struct link_params *params,
  3317. struct link_vars *vars)
  3318. {
  3319. struct bnx2x *bp = params->bp;
  3320. u16 val;
  3321. /* Disable Autoneg */
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3324. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3325. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3326. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3328. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3329. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3330. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3331. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3332. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3333. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3336. /* Disable CL36 PCS Tx */
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3339. /* Double Wide Single Data Rate @ pll rate */
  3340. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3342. /* Leave cl72 training enable, needed for KR */
  3343. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3344. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3345. 0x2);
  3346. /* Leave CL72 enabled */
  3347. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3349. &val);
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3352. val | 0x3800);
  3353. /* Set speed via PMA/PMD register */
  3354. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3355. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3356. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3357. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3358. /*Enable encoded forced speed */
  3359. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3360. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3361. /* Turn TX scramble payload only the 64/66 scrambler */
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3364. /* Turn RX scramble payload only the 64/66 scrambler */
  3365. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3367. /* set and clear loopback to cause a reset to 64/66 decoder */
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3372. }
  3373. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3374. struct link_params *params,
  3375. u8 is_xfi)
  3376. {
  3377. struct bnx2x *bp = params->bp;
  3378. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3379. /* Hold rxSeqStart */
  3380. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3384. /* Hold tx_fifo_reset */
  3385. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3389. /* Disable CL73 AN */
  3390. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3391. /* Disable 100FX Enable and Auto-Detect */
  3392. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_FX100_CTRL1, &val);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3396. /* Disable 100FX Idle detect */
  3397. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_FX100_CTRL3, &val);
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3401. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3402. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3406. /* Turn off auto-detect & fiber mode */
  3407. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3411. (val & 0xFFEE));
  3412. /* Set filter_force_link, disable_false_link and parallel_detect */
  3413. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3415. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3417. ((val | 0x0006) & 0xFFFE));
  3418. /* Set XFI / SFI */
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3421. misc1_val &= ~(0x1f);
  3422. if (is_xfi) {
  3423. misc1_val |= 0x5;
  3424. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3425. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3426. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3427. tx_driver_val =
  3428. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3429. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3430. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3431. } else {
  3432. misc1_val |= 0x9;
  3433. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3434. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3435. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3436. tx_driver_val =
  3437. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3438. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3439. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3440. }
  3441. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3443. /* Set Transmit PMD settings */
  3444. lane = bnx2x_get_warpcore_lane(phy, params);
  3445. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_TX_FIR_TAP,
  3447. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3448. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3450. tx_driver_val);
  3451. /* Enable fiber mode, enable and invert sig_det */
  3452. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3454. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3456. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3457. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3459. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3461. /* 10G XFI Full Duplex */
  3462. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3464. /* Release tx_fifo_reset */
  3465. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3466. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3467. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3468. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3469. /* Release rxSeqStart */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3474. }
  3475. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3476. struct bnx2x_phy *phy)
  3477. {
  3478. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3479. }
  3480. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3481. struct bnx2x_phy *phy,
  3482. u16 lane)
  3483. {
  3484. /* Rx0 anaRxControl1G */
  3485. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3487. /* Rx2 anaRxControl1G */
  3488. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3489. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3492. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3494. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3496. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3497. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3498. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3502. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3506. /* Serdes Digital Misc1 */
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3509. /* Serdes Digital4 Misc3 */
  3510. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3511. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3512. /* Set Transmit PMD settings */
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_TX_FIR_TAP,
  3515. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3516. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3517. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3518. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3521. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3522. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3523. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3524. }
  3525. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3526. struct link_params *params,
  3527. u8 fiber_mode)
  3528. {
  3529. struct bnx2x *bp = params->bp;
  3530. u16 val16, digctrl_kx1, digctrl_kx2;
  3531. u8 lane;
  3532. lane = bnx2x_get_warpcore_lane(phy, params);
  3533. /* Clear XFI clock comp in non-10G single lane mode. */
  3534. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_RX66_CONTROL, &val16);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3538. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3539. /* SGMII Autoneg */
  3540. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3544. val16 | 0x1000);
  3545. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3546. } else {
  3547. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3549. val16 &= 0xcfbf;
  3550. switch (phy->req_line_speed) {
  3551. case SPEED_10:
  3552. break;
  3553. case SPEED_100:
  3554. val16 |= 0x2000;
  3555. break;
  3556. case SPEED_1000:
  3557. val16 |= 0x0040;
  3558. break;
  3559. default:
  3560. DP(NETIF_MSG_LINK,
  3561. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3562. return;
  3563. }
  3564. if (phy->req_duplex == DUPLEX_FULL)
  3565. val16 |= 0x0100;
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3568. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3569. phy->req_line_speed);
  3570. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3572. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3573. }
  3574. /* SGMII Slave mode and disable signal detect */
  3575. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3577. if (fiber_mode)
  3578. digctrl_kx1 = 1;
  3579. else
  3580. digctrl_kx1 &= 0xff4a;
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3583. digctrl_kx1);
  3584. /* Turn off parallel detect */
  3585. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3589. (digctrl_kx2 & ~(1<<2)));
  3590. /* Re-enable parallel detect */
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3593. (digctrl_kx2 | (1<<2)));
  3594. /* Enable autodet */
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3597. (digctrl_kx1 | 0x10));
  3598. }
  3599. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3600. struct bnx2x_phy *phy,
  3601. u8 reset)
  3602. {
  3603. u16 val;
  3604. /* Take lane out of reset after configuration is finished */
  3605. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3607. if (reset)
  3608. val |= 0xC000;
  3609. else
  3610. val &= 0x3FFF;
  3611. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3613. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3614. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3615. }
  3616. /* Clear SFI/XFI link settings registers */
  3617. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3618. struct link_params *params,
  3619. u16 lane)
  3620. {
  3621. struct bnx2x *bp = params->bp;
  3622. u16 val16;
  3623. /* Set XFI clock comp as default. */
  3624. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3625. MDIO_WC_REG_RX66_CONTROL, &val16);
  3626. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3627. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3628. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3629. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3630. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3631. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3632. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3634. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3636. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3638. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3640. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3644. lane = bnx2x_get_warpcore_lane(phy, params);
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3647. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3649. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3651. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3653. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3654. }
  3655. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3656. u32 chip_id,
  3657. u32 shmem_base, u8 port,
  3658. u8 *gpio_num, u8 *gpio_port)
  3659. {
  3660. u32 cfg_pin;
  3661. *gpio_num = 0;
  3662. *gpio_port = 0;
  3663. if (CHIP_IS_E3(bp)) {
  3664. cfg_pin = (REG_RD(bp, shmem_base +
  3665. offsetof(struct shmem_region,
  3666. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3667. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3668. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3669. /*
  3670. * Should not happen. This function called upon interrupt
  3671. * triggered by GPIO ( since EPIO can only generate interrupts
  3672. * to MCP).
  3673. * So if this function was called and none of the GPIOs was set,
  3674. * it means the shit hit the fan.
  3675. */
  3676. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3677. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3678. DP(NETIF_MSG_LINK,
  3679. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3680. cfg_pin);
  3681. return -EINVAL;
  3682. }
  3683. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3684. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3685. } else {
  3686. *gpio_num = MISC_REGISTERS_GPIO_3;
  3687. *gpio_port = port;
  3688. }
  3689. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3690. return 0;
  3691. }
  3692. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3693. struct link_params *params)
  3694. {
  3695. struct bnx2x *bp = params->bp;
  3696. u8 gpio_num, gpio_port;
  3697. u32 gpio_val;
  3698. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3699. params->shmem_base, params->port,
  3700. &gpio_num, &gpio_port) != 0)
  3701. return 0;
  3702. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3703. /* Call the handling function in case module is detected */
  3704. if (gpio_val == 0)
  3705. return 1;
  3706. else
  3707. return 0;
  3708. }
  3709. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3710. struct link_params *params)
  3711. {
  3712. u16 gp2_status_reg0, lane;
  3713. struct bnx2x *bp = params->bp;
  3714. lane = bnx2x_get_warpcore_lane(phy, params);
  3715. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3716. &gp2_status_reg0);
  3717. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3718. }
  3719. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3720. struct link_params *params,
  3721. struct link_vars *vars)
  3722. {
  3723. struct bnx2x *bp = params->bp;
  3724. u32 serdes_net_if;
  3725. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3726. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3727. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3728. if (!vars->turn_to_run_wc_rt)
  3729. return;
  3730. /* return if there is no link partner */
  3731. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3732. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3733. return;
  3734. }
  3735. if (vars->rx_tx_asic_rst) {
  3736. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3737. offsetof(struct shmem_region, dev_info.
  3738. port_hw_config[params->port].default_cfg)) &
  3739. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3740. switch (serdes_net_if) {
  3741. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3742. /* Do we get link yet? */
  3743. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3744. &gp_status1);
  3745. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3746. /*10G KR*/
  3747. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3748. DP(NETIF_MSG_LINK,
  3749. "gp_status1 0x%x\n", gp_status1);
  3750. if (lnkup_kr || lnkup) {
  3751. vars->rx_tx_asic_rst = 0;
  3752. DP(NETIF_MSG_LINK,
  3753. "link up, rx_tx_asic_rst 0x%x\n",
  3754. vars->rx_tx_asic_rst);
  3755. } else {
  3756. /*reset the lane to see if link comes up.*/
  3757. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3758. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3759. /* restart Autoneg */
  3760. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3761. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3762. vars->rx_tx_asic_rst--;
  3763. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3764. vars->rx_tx_asic_rst);
  3765. }
  3766. break;
  3767. default:
  3768. break;
  3769. }
  3770. } /*params->rx_tx_asic_rst*/
  3771. }
  3772. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3773. struct link_params *params,
  3774. struct link_vars *vars)
  3775. {
  3776. struct bnx2x *bp = params->bp;
  3777. u32 serdes_net_if;
  3778. u8 fiber_mode;
  3779. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3780. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3781. offsetof(struct shmem_region, dev_info.
  3782. port_hw_config[params->port].default_cfg)) &
  3783. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3784. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3785. "serdes_net_if = 0x%x\n",
  3786. vars->line_speed, serdes_net_if);
  3787. bnx2x_set_aer_mmd(params, phy);
  3788. vars->phy_flags |= PHY_XGXS_FLAG;
  3789. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3790. (phy->req_line_speed &&
  3791. ((phy->req_line_speed == SPEED_100) ||
  3792. (phy->req_line_speed == SPEED_10)))) {
  3793. vars->phy_flags |= PHY_SGMII_FLAG;
  3794. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3795. bnx2x_warpcore_clear_regs(phy, params, lane);
  3796. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3797. } else {
  3798. switch (serdes_net_if) {
  3799. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3800. /* Enable KR Auto Neg */
  3801. if (params->loopback_mode == LOOPBACK_NONE)
  3802. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3803. else {
  3804. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3805. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3806. }
  3807. break;
  3808. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3809. bnx2x_warpcore_clear_regs(phy, params, lane);
  3810. if (vars->line_speed == SPEED_10000) {
  3811. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3812. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3813. } else {
  3814. if (SINGLE_MEDIA_DIRECT(params)) {
  3815. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3816. fiber_mode = 1;
  3817. } else {
  3818. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3819. fiber_mode = 0;
  3820. }
  3821. bnx2x_warpcore_set_sgmii_speed(phy,
  3822. params,
  3823. fiber_mode);
  3824. }
  3825. break;
  3826. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3827. bnx2x_warpcore_clear_regs(phy, params, lane);
  3828. if (vars->line_speed == SPEED_10000) {
  3829. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3830. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3831. } else if (vars->line_speed == SPEED_1000) {
  3832. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3833. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3834. }
  3835. /* Issue Module detection */
  3836. if (bnx2x_is_sfp_module_plugged(phy, params))
  3837. bnx2x_sfp_module_detection(phy, params);
  3838. break;
  3839. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3840. if (vars->line_speed != SPEED_20000) {
  3841. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3842. return;
  3843. }
  3844. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3845. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3846. /* Issue Module detection */
  3847. bnx2x_sfp_module_detection(phy, params);
  3848. break;
  3849. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3850. if (vars->line_speed != SPEED_20000) {
  3851. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3852. return;
  3853. }
  3854. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3855. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3856. break;
  3857. default:
  3858. DP(NETIF_MSG_LINK,
  3859. "Unsupported Serdes Net Interface 0x%x\n",
  3860. serdes_net_if);
  3861. return;
  3862. }
  3863. }
  3864. /* Take lane out of reset after configuration is finished */
  3865. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3866. DP(NETIF_MSG_LINK, "Exit config init\n");
  3867. }
  3868. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3869. struct bnx2x_phy *phy,
  3870. u8 tx_en)
  3871. {
  3872. struct bnx2x *bp = params->bp;
  3873. u32 cfg_pin;
  3874. u8 port = params->port;
  3875. cfg_pin = REG_RD(bp, params->shmem_base +
  3876. offsetof(struct shmem_region,
  3877. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3878. PORT_HW_CFG_TX_LASER_MASK;
  3879. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3880. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3881. /* For 20G, the expected pin to be used is 3 pins after the current */
  3882. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3883. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3884. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3885. }
  3886. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3887. struct link_params *params)
  3888. {
  3889. struct bnx2x *bp = params->bp;
  3890. u16 val16;
  3891. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3892. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3893. bnx2x_set_aer_mmd(params, phy);
  3894. /* Global register */
  3895. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3896. /* Clear loopback settings (if any) */
  3897. /* 10G & 20G */
  3898. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3899. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3900. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3901. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3902. 0xBFFF);
  3903. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3904. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3905. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3906. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3907. /* Update those 1-copy registers */
  3908. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3909. MDIO_AER_BLOCK_AER_REG, 0);
  3910. /* Enable 1G MDIO (1-copy) */
  3911. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3912. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3913. &val16);
  3914. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3915. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3916. val16 & ~0x10);
  3917. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3918. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3919. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3920. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3921. val16 & 0xff00);
  3922. }
  3923. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3924. struct link_params *params)
  3925. {
  3926. struct bnx2x *bp = params->bp;
  3927. u16 val16;
  3928. u32 lane;
  3929. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3930. params->loopback_mode, phy->req_line_speed);
  3931. if (phy->req_line_speed < SPEED_10000) {
  3932. /* 10/100/1000 */
  3933. /* Update those 1-copy registers */
  3934. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3935. MDIO_AER_BLOCK_AER_REG, 0);
  3936. /* Enable 1G MDIO (1-copy) */
  3937. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3938. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3939. &val16);
  3940. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3941. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3942. val16 | 0x10);
  3943. /* Set 1G loopback based on lane (1-copy) */
  3944. lane = bnx2x_get_warpcore_lane(phy, params);
  3945. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3946. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3947. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3948. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3949. val16 | (1<<lane));
  3950. /* Switch back to 4-copy registers */
  3951. bnx2x_set_aer_mmd(params, phy);
  3952. /* Global loopback, not recommended. */
  3953. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3954. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3955. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3956. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3957. 0x4000);
  3958. } else {
  3959. /* 10G & 20G */
  3960. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3961. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3962. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3963. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3964. 0x4000);
  3965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3967. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3969. }
  3970. }
  3971. void bnx2x_link_status_update(struct link_params *params,
  3972. struct link_vars *vars)
  3973. {
  3974. struct bnx2x *bp = params->bp;
  3975. u8 link_10g_plus;
  3976. u8 port = params->port;
  3977. u32 sync_offset, media_types;
  3978. /* Update PHY configuration */
  3979. set_phy_vars(params, vars);
  3980. vars->link_status = REG_RD(bp, params->shmem_base +
  3981. offsetof(struct shmem_region,
  3982. port_mb[port].link_status));
  3983. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3984. vars->phy_flags = PHY_XGXS_FLAG;
  3985. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3986. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3987. if (vars->link_up) {
  3988. DP(NETIF_MSG_LINK, "phy link up\n");
  3989. vars->phy_link_up = 1;
  3990. vars->duplex = DUPLEX_FULL;
  3991. switch (vars->link_status &
  3992. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3993. case LINK_10THD:
  3994. vars->duplex = DUPLEX_HALF;
  3995. /* fall thru */
  3996. case LINK_10TFD:
  3997. vars->line_speed = SPEED_10;
  3998. break;
  3999. case LINK_100TXHD:
  4000. vars->duplex = DUPLEX_HALF;
  4001. /* fall thru */
  4002. case LINK_100T4:
  4003. case LINK_100TXFD:
  4004. vars->line_speed = SPEED_100;
  4005. break;
  4006. case LINK_1000THD:
  4007. vars->duplex = DUPLEX_HALF;
  4008. /* fall thru */
  4009. case LINK_1000TFD:
  4010. vars->line_speed = SPEED_1000;
  4011. break;
  4012. case LINK_2500THD:
  4013. vars->duplex = DUPLEX_HALF;
  4014. /* fall thru */
  4015. case LINK_2500TFD:
  4016. vars->line_speed = SPEED_2500;
  4017. break;
  4018. case LINK_10GTFD:
  4019. vars->line_speed = SPEED_10000;
  4020. break;
  4021. case LINK_20GTFD:
  4022. vars->line_speed = SPEED_20000;
  4023. break;
  4024. default:
  4025. break;
  4026. }
  4027. vars->flow_ctrl = 0;
  4028. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4029. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4030. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4031. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4032. if (!vars->flow_ctrl)
  4033. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4034. if (vars->line_speed &&
  4035. ((vars->line_speed == SPEED_10) ||
  4036. (vars->line_speed == SPEED_100))) {
  4037. vars->phy_flags |= PHY_SGMII_FLAG;
  4038. } else {
  4039. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4040. }
  4041. if (vars->line_speed &&
  4042. USES_WARPCORE(bp) &&
  4043. (vars->line_speed == SPEED_1000))
  4044. vars->phy_flags |= PHY_SGMII_FLAG;
  4045. /* anything 10 and over uses the bmac */
  4046. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4047. if (link_10g_plus) {
  4048. if (USES_WARPCORE(bp))
  4049. vars->mac_type = MAC_TYPE_XMAC;
  4050. else
  4051. vars->mac_type = MAC_TYPE_BMAC;
  4052. } else {
  4053. if (USES_WARPCORE(bp))
  4054. vars->mac_type = MAC_TYPE_UMAC;
  4055. else
  4056. vars->mac_type = MAC_TYPE_EMAC;
  4057. }
  4058. } else { /* link down */
  4059. DP(NETIF_MSG_LINK, "phy link down\n");
  4060. vars->phy_link_up = 0;
  4061. vars->line_speed = 0;
  4062. vars->duplex = DUPLEX_FULL;
  4063. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4064. /* indicate no mac active */
  4065. vars->mac_type = MAC_TYPE_NONE;
  4066. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4067. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4068. }
  4069. /* Sync media type */
  4070. sync_offset = params->shmem_base +
  4071. offsetof(struct shmem_region,
  4072. dev_info.port_hw_config[port].media_type);
  4073. media_types = REG_RD(bp, sync_offset);
  4074. params->phy[INT_PHY].media_type =
  4075. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4076. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4077. params->phy[EXT_PHY1].media_type =
  4078. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4079. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4080. params->phy[EXT_PHY2].media_type =
  4081. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4082. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4083. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4084. /* Sync AEU offset */
  4085. sync_offset = params->shmem_base +
  4086. offsetof(struct shmem_region,
  4087. dev_info.port_hw_config[port].aeu_int_mask);
  4088. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4089. /* Sync PFC status */
  4090. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4091. params->feature_config_flags |=
  4092. FEATURE_CONFIG_PFC_ENABLED;
  4093. else
  4094. params->feature_config_flags &=
  4095. ~FEATURE_CONFIG_PFC_ENABLED;
  4096. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4097. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4098. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4099. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4100. }
  4101. static void bnx2x_set_master_ln(struct link_params *params,
  4102. struct bnx2x_phy *phy)
  4103. {
  4104. struct bnx2x *bp = params->bp;
  4105. u16 new_master_ln, ser_lane;
  4106. ser_lane = ((params->lane_config &
  4107. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4108. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4109. /* set the master_ln for AN */
  4110. CL22_RD_OVER_CL45(bp, phy,
  4111. MDIO_REG_BANK_XGXS_BLOCK2,
  4112. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4113. &new_master_ln);
  4114. CL22_WR_OVER_CL45(bp, phy,
  4115. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4116. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4117. (new_master_ln | ser_lane));
  4118. }
  4119. static int bnx2x_reset_unicore(struct link_params *params,
  4120. struct bnx2x_phy *phy,
  4121. u8 set_serdes)
  4122. {
  4123. struct bnx2x *bp = params->bp;
  4124. u16 mii_control;
  4125. u16 i;
  4126. CL22_RD_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_COMBO_IEEE0,
  4128. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4129. /* reset the unicore */
  4130. CL22_WR_OVER_CL45(bp, phy,
  4131. MDIO_REG_BANK_COMBO_IEEE0,
  4132. MDIO_COMBO_IEEE0_MII_CONTROL,
  4133. (mii_control |
  4134. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4135. if (set_serdes)
  4136. bnx2x_set_serdes_access(bp, params->port);
  4137. /* wait for the reset to self clear */
  4138. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4139. udelay(5);
  4140. /* the reset erased the previous bank value */
  4141. CL22_RD_OVER_CL45(bp, phy,
  4142. MDIO_REG_BANK_COMBO_IEEE0,
  4143. MDIO_COMBO_IEEE0_MII_CONTROL,
  4144. &mii_control);
  4145. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4146. udelay(5);
  4147. return 0;
  4148. }
  4149. }
  4150. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4151. " Port %d\n",
  4152. params->port);
  4153. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4154. return -EINVAL;
  4155. }
  4156. static void bnx2x_set_swap_lanes(struct link_params *params,
  4157. struct bnx2x_phy *phy)
  4158. {
  4159. struct bnx2x *bp = params->bp;
  4160. /*
  4161. * Each two bits represents a lane number:
  4162. * No swap is 0123 => 0x1b no need to enable the swap
  4163. */
  4164. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  4165. ser_lane = ((params->lane_config &
  4166. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4167. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4168. rx_lane_swap = ((params->lane_config &
  4169. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4170. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4171. tx_lane_swap = ((params->lane_config &
  4172. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4173. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4174. if (rx_lane_swap != 0x1b) {
  4175. CL22_WR_OVER_CL45(bp, phy,
  4176. MDIO_REG_BANK_XGXS_BLOCK2,
  4177. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4178. (rx_lane_swap |
  4179. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4180. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4181. } else {
  4182. CL22_WR_OVER_CL45(bp, phy,
  4183. MDIO_REG_BANK_XGXS_BLOCK2,
  4184. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4185. }
  4186. if (tx_lane_swap != 0x1b) {
  4187. CL22_WR_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_XGXS_BLOCK2,
  4189. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4190. (tx_lane_swap |
  4191. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4192. } else {
  4193. CL22_WR_OVER_CL45(bp, phy,
  4194. MDIO_REG_BANK_XGXS_BLOCK2,
  4195. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4196. }
  4197. }
  4198. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4199. struct link_params *params)
  4200. {
  4201. struct bnx2x *bp = params->bp;
  4202. u16 control2;
  4203. CL22_RD_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_SERDES_DIGITAL,
  4205. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4206. &control2);
  4207. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4208. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4209. else
  4210. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4211. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4212. phy->speed_cap_mask, control2);
  4213. CL22_WR_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_SERDES_DIGITAL,
  4215. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4216. control2);
  4217. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4218. (phy->speed_cap_mask &
  4219. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4220. DP(NETIF_MSG_LINK, "XGXS\n");
  4221. CL22_WR_OVER_CL45(bp, phy,
  4222. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4223. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4224. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4225. CL22_RD_OVER_CL45(bp, phy,
  4226. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4227. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4228. &control2);
  4229. control2 |=
  4230. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4231. CL22_WR_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4233. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4234. control2);
  4235. /* Disable parallel detection of HiG */
  4236. CL22_WR_OVER_CL45(bp, phy,
  4237. MDIO_REG_BANK_XGXS_BLOCK2,
  4238. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4239. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4240. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4241. }
  4242. }
  4243. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4244. struct link_params *params,
  4245. struct link_vars *vars,
  4246. u8 enable_cl73)
  4247. {
  4248. struct bnx2x *bp = params->bp;
  4249. u16 reg_val;
  4250. /* CL37 Autoneg */
  4251. CL22_RD_OVER_CL45(bp, phy,
  4252. MDIO_REG_BANK_COMBO_IEEE0,
  4253. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4254. /* CL37 Autoneg Enabled */
  4255. if (vars->line_speed == SPEED_AUTO_NEG)
  4256. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4257. else /* CL37 Autoneg Disabled */
  4258. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4259. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_COMBO_IEEE0,
  4262. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4263. /* Enable/Disable Autodetection */
  4264. CL22_RD_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_SERDES_DIGITAL,
  4266. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4267. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4268. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4269. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4270. if (vars->line_speed == SPEED_AUTO_NEG)
  4271. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4272. else
  4273. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4274. CL22_WR_OVER_CL45(bp, phy,
  4275. MDIO_REG_BANK_SERDES_DIGITAL,
  4276. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4277. /* Enable TetonII and BAM autoneg */
  4278. CL22_RD_OVER_CL45(bp, phy,
  4279. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4280. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4281. &reg_val);
  4282. if (vars->line_speed == SPEED_AUTO_NEG) {
  4283. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4284. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4285. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4286. } else {
  4287. /* TetonII and BAM Autoneg Disabled */
  4288. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4289. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4290. }
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4293. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4294. reg_val);
  4295. if (enable_cl73) {
  4296. /* Enable Cl73 FSM status bits */
  4297. CL22_WR_OVER_CL45(bp, phy,
  4298. MDIO_REG_BANK_CL73_USERB0,
  4299. MDIO_CL73_USERB0_CL73_UCTRL,
  4300. 0xe);
  4301. /* Enable BAM Station Manager*/
  4302. CL22_WR_OVER_CL45(bp, phy,
  4303. MDIO_REG_BANK_CL73_USERB0,
  4304. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4305. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4306. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4307. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4308. /* Advertise CL73 link speeds */
  4309. CL22_RD_OVER_CL45(bp, phy,
  4310. MDIO_REG_BANK_CL73_IEEEB1,
  4311. MDIO_CL73_IEEEB1_AN_ADV2,
  4312. &reg_val);
  4313. if (phy->speed_cap_mask &
  4314. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4315. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4316. if (phy->speed_cap_mask &
  4317. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4318. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4319. CL22_WR_OVER_CL45(bp, phy,
  4320. MDIO_REG_BANK_CL73_IEEEB1,
  4321. MDIO_CL73_IEEEB1_AN_ADV2,
  4322. reg_val);
  4323. /* CL73 Autoneg Enabled */
  4324. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4325. } else /* CL73 Autoneg Disabled */
  4326. reg_val = 0;
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_CL73_IEEEB0,
  4329. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4330. }
  4331. /* program SerDes, forced speed */
  4332. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4333. struct link_params *params,
  4334. struct link_vars *vars)
  4335. {
  4336. struct bnx2x *bp = params->bp;
  4337. u16 reg_val;
  4338. /* program duplex, disable autoneg and sgmii*/
  4339. CL22_RD_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_COMBO_IEEE0,
  4341. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4342. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4343. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4344. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4345. if (phy->req_duplex == DUPLEX_FULL)
  4346. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4347. CL22_WR_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_COMBO_IEEE0,
  4349. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4350. /*
  4351. * program speed
  4352. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4353. */
  4354. CL22_RD_OVER_CL45(bp, phy,
  4355. MDIO_REG_BANK_SERDES_DIGITAL,
  4356. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4357. /* clearing the speed value before setting the right speed */
  4358. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4359. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4360. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4361. if (!((vars->line_speed == SPEED_1000) ||
  4362. (vars->line_speed == SPEED_100) ||
  4363. (vars->line_speed == SPEED_10))) {
  4364. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4365. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4366. if (vars->line_speed == SPEED_10000)
  4367. reg_val |=
  4368. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4369. }
  4370. CL22_WR_OVER_CL45(bp, phy,
  4371. MDIO_REG_BANK_SERDES_DIGITAL,
  4372. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4373. }
  4374. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4375. struct link_params *params)
  4376. {
  4377. struct bnx2x *bp = params->bp;
  4378. u16 val = 0;
  4379. /* configure the 48 bits for BAM AN */
  4380. /* set extended capabilities */
  4381. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4382. val |= MDIO_OVER_1G_UP1_2_5G;
  4383. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4384. val |= MDIO_OVER_1G_UP1_10G;
  4385. CL22_WR_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_OVER_1G,
  4387. MDIO_OVER_1G_UP1, val);
  4388. CL22_WR_OVER_CL45(bp, phy,
  4389. MDIO_REG_BANK_OVER_1G,
  4390. MDIO_OVER_1G_UP3, 0x400);
  4391. }
  4392. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4393. struct link_params *params,
  4394. u16 ieee_fc)
  4395. {
  4396. struct bnx2x *bp = params->bp;
  4397. u16 val;
  4398. /* for AN, we are always publishing full duplex */
  4399. CL22_WR_OVER_CL45(bp, phy,
  4400. MDIO_REG_BANK_COMBO_IEEE0,
  4401. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4402. CL22_RD_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_CL73_IEEEB1,
  4404. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4405. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4406. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4407. CL22_WR_OVER_CL45(bp, phy,
  4408. MDIO_REG_BANK_CL73_IEEEB1,
  4409. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4410. }
  4411. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4412. struct link_params *params,
  4413. u8 enable_cl73)
  4414. {
  4415. struct bnx2x *bp = params->bp;
  4416. u16 mii_control;
  4417. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4418. /* Enable and restart BAM/CL37 aneg */
  4419. if (enable_cl73) {
  4420. CL22_RD_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_CL73_IEEEB0,
  4422. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4423. &mii_control);
  4424. CL22_WR_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_CL73_IEEEB0,
  4426. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4427. (mii_control |
  4428. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4429. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4430. } else {
  4431. CL22_RD_OVER_CL45(bp, phy,
  4432. MDIO_REG_BANK_COMBO_IEEE0,
  4433. MDIO_COMBO_IEEE0_MII_CONTROL,
  4434. &mii_control);
  4435. DP(NETIF_MSG_LINK,
  4436. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4437. mii_control);
  4438. CL22_WR_OVER_CL45(bp, phy,
  4439. MDIO_REG_BANK_COMBO_IEEE0,
  4440. MDIO_COMBO_IEEE0_MII_CONTROL,
  4441. (mii_control |
  4442. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4443. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4444. }
  4445. }
  4446. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4447. struct link_params *params,
  4448. struct link_vars *vars)
  4449. {
  4450. struct bnx2x *bp = params->bp;
  4451. u16 control1;
  4452. /* in SGMII mode, the unicore is always slave */
  4453. CL22_RD_OVER_CL45(bp, phy,
  4454. MDIO_REG_BANK_SERDES_DIGITAL,
  4455. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4456. &control1);
  4457. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4458. /* set sgmii mode (and not fiber) */
  4459. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4460. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4461. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4462. CL22_WR_OVER_CL45(bp, phy,
  4463. MDIO_REG_BANK_SERDES_DIGITAL,
  4464. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4465. control1);
  4466. /* if forced speed */
  4467. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4468. /* set speed, disable autoneg */
  4469. u16 mii_control;
  4470. CL22_RD_OVER_CL45(bp, phy,
  4471. MDIO_REG_BANK_COMBO_IEEE0,
  4472. MDIO_COMBO_IEEE0_MII_CONTROL,
  4473. &mii_control);
  4474. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4475. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4476. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4477. switch (vars->line_speed) {
  4478. case SPEED_100:
  4479. mii_control |=
  4480. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4481. break;
  4482. case SPEED_1000:
  4483. mii_control |=
  4484. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4485. break;
  4486. case SPEED_10:
  4487. /* there is nothing to set for 10M */
  4488. break;
  4489. default:
  4490. /* invalid speed for SGMII */
  4491. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4492. vars->line_speed);
  4493. break;
  4494. }
  4495. /* setting the full duplex */
  4496. if (phy->req_duplex == DUPLEX_FULL)
  4497. mii_control |=
  4498. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_COMBO_IEEE0,
  4501. MDIO_COMBO_IEEE0_MII_CONTROL,
  4502. mii_control);
  4503. } else { /* AN mode */
  4504. /* enable and restart AN */
  4505. bnx2x_restart_autoneg(phy, params, 0);
  4506. }
  4507. }
  4508. /*
  4509. * link management
  4510. */
  4511. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4512. struct link_params *params)
  4513. {
  4514. struct bnx2x *bp = params->bp;
  4515. u16 pd_10g, status2_1000x;
  4516. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4517. return 0;
  4518. CL22_RD_OVER_CL45(bp, phy,
  4519. MDIO_REG_BANK_SERDES_DIGITAL,
  4520. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4521. &status2_1000x);
  4522. CL22_RD_OVER_CL45(bp, phy,
  4523. MDIO_REG_BANK_SERDES_DIGITAL,
  4524. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4525. &status2_1000x);
  4526. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4527. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4528. params->port);
  4529. return 1;
  4530. }
  4531. CL22_RD_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4533. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4534. &pd_10g);
  4535. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4536. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4537. params->port);
  4538. return 1;
  4539. }
  4540. return 0;
  4541. }
  4542. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4543. struct link_params *params,
  4544. struct link_vars *vars,
  4545. u32 gp_status)
  4546. {
  4547. struct bnx2x *bp = params->bp;
  4548. u16 ld_pause; /* local driver */
  4549. u16 lp_pause; /* link partner */
  4550. u16 pause_result;
  4551. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4552. /* resolve from gp_status in case of AN complete and not sgmii */
  4553. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4554. vars->flow_ctrl = phy->req_flow_ctrl;
  4555. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4556. vars->flow_ctrl = params->req_fc_auto_adv;
  4557. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4558. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4559. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4560. vars->flow_ctrl = params->req_fc_auto_adv;
  4561. return;
  4562. }
  4563. if ((gp_status &
  4564. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4565. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4566. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4567. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4568. CL22_RD_OVER_CL45(bp, phy,
  4569. MDIO_REG_BANK_CL73_IEEEB1,
  4570. MDIO_CL73_IEEEB1_AN_ADV1,
  4571. &ld_pause);
  4572. CL22_RD_OVER_CL45(bp, phy,
  4573. MDIO_REG_BANK_CL73_IEEEB1,
  4574. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4575. &lp_pause);
  4576. pause_result = (ld_pause &
  4577. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4578. >> 8;
  4579. pause_result |= (lp_pause &
  4580. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4581. >> 10;
  4582. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4583. pause_result);
  4584. } else {
  4585. CL22_RD_OVER_CL45(bp, phy,
  4586. MDIO_REG_BANK_COMBO_IEEE0,
  4587. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4588. &ld_pause);
  4589. CL22_RD_OVER_CL45(bp, phy,
  4590. MDIO_REG_BANK_COMBO_IEEE0,
  4591. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4592. &lp_pause);
  4593. pause_result = (ld_pause &
  4594. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4595. pause_result |= (lp_pause &
  4596. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4597. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4598. pause_result);
  4599. }
  4600. bnx2x_pause_resolve(vars, pause_result);
  4601. }
  4602. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4603. }
  4604. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4605. struct link_params *params)
  4606. {
  4607. struct bnx2x *bp = params->bp;
  4608. u16 rx_status, ustat_val, cl37_fsm_received;
  4609. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4610. /* Step 1: Make sure signal is detected */
  4611. CL22_RD_OVER_CL45(bp, phy,
  4612. MDIO_REG_BANK_RX0,
  4613. MDIO_RX0_RX_STATUS,
  4614. &rx_status);
  4615. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4616. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4617. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4618. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4619. CL22_WR_OVER_CL45(bp, phy,
  4620. MDIO_REG_BANK_CL73_IEEEB0,
  4621. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4622. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4623. return;
  4624. }
  4625. /* Step 2: Check CL73 state machine */
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_CL73_USERB0,
  4628. MDIO_CL73_USERB0_CL73_USTAT1,
  4629. &ustat_val);
  4630. if ((ustat_val &
  4631. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4632. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4633. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4634. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4635. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4636. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4637. return;
  4638. }
  4639. /*
  4640. * Step 3: Check CL37 Message Pages received to indicate LP
  4641. * supports only CL37
  4642. */
  4643. CL22_RD_OVER_CL45(bp, phy,
  4644. MDIO_REG_BANK_REMOTE_PHY,
  4645. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4646. &cl37_fsm_received);
  4647. if ((cl37_fsm_received &
  4648. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4649. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4650. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4651. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4652. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4653. "misc_rx_status(0x8330) = 0x%x\n",
  4654. cl37_fsm_received);
  4655. return;
  4656. }
  4657. /*
  4658. * The combined cl37/cl73 fsm state information indicating that
  4659. * we are connected to a device which does not support cl73, but
  4660. * does support cl37 BAM. In this case we disable cl73 and
  4661. * restart cl37 auto-neg
  4662. */
  4663. /* Disable CL73 */
  4664. CL22_WR_OVER_CL45(bp, phy,
  4665. MDIO_REG_BANK_CL73_IEEEB0,
  4666. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4667. 0);
  4668. /* Restart CL37 autoneg */
  4669. bnx2x_restart_autoneg(phy, params, 0);
  4670. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4671. }
  4672. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4673. struct link_params *params,
  4674. struct link_vars *vars,
  4675. u32 gp_status)
  4676. {
  4677. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4678. vars->link_status |=
  4679. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4680. if (bnx2x_direct_parallel_detect_used(phy, params))
  4681. vars->link_status |=
  4682. LINK_STATUS_PARALLEL_DETECTION_USED;
  4683. }
  4684. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4685. struct link_params *params,
  4686. struct link_vars *vars,
  4687. u16 is_link_up,
  4688. u16 speed_mask,
  4689. u16 is_duplex)
  4690. {
  4691. struct bnx2x *bp = params->bp;
  4692. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4693. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4694. if (is_link_up) {
  4695. DP(NETIF_MSG_LINK, "phy link up\n");
  4696. vars->phy_link_up = 1;
  4697. vars->link_status |= LINK_STATUS_LINK_UP;
  4698. switch (speed_mask) {
  4699. case GP_STATUS_10M:
  4700. vars->line_speed = SPEED_10;
  4701. if (vars->duplex == DUPLEX_FULL)
  4702. vars->link_status |= LINK_10TFD;
  4703. else
  4704. vars->link_status |= LINK_10THD;
  4705. break;
  4706. case GP_STATUS_100M:
  4707. vars->line_speed = SPEED_100;
  4708. if (vars->duplex == DUPLEX_FULL)
  4709. vars->link_status |= LINK_100TXFD;
  4710. else
  4711. vars->link_status |= LINK_100TXHD;
  4712. break;
  4713. case GP_STATUS_1G:
  4714. case GP_STATUS_1G_KX:
  4715. vars->line_speed = SPEED_1000;
  4716. if (vars->duplex == DUPLEX_FULL)
  4717. vars->link_status |= LINK_1000TFD;
  4718. else
  4719. vars->link_status |= LINK_1000THD;
  4720. break;
  4721. case GP_STATUS_2_5G:
  4722. vars->line_speed = SPEED_2500;
  4723. if (vars->duplex == DUPLEX_FULL)
  4724. vars->link_status |= LINK_2500TFD;
  4725. else
  4726. vars->link_status |= LINK_2500THD;
  4727. break;
  4728. case GP_STATUS_5G:
  4729. case GP_STATUS_6G:
  4730. DP(NETIF_MSG_LINK,
  4731. "link speed unsupported gp_status 0x%x\n",
  4732. speed_mask);
  4733. return -EINVAL;
  4734. case GP_STATUS_10G_KX4:
  4735. case GP_STATUS_10G_HIG:
  4736. case GP_STATUS_10G_CX4:
  4737. case GP_STATUS_10G_KR:
  4738. case GP_STATUS_10G_SFI:
  4739. case GP_STATUS_10G_XFI:
  4740. vars->line_speed = SPEED_10000;
  4741. vars->link_status |= LINK_10GTFD;
  4742. break;
  4743. case GP_STATUS_20G_DXGXS:
  4744. vars->line_speed = SPEED_20000;
  4745. vars->link_status |= LINK_20GTFD;
  4746. break;
  4747. default:
  4748. DP(NETIF_MSG_LINK,
  4749. "link speed unsupported gp_status 0x%x\n",
  4750. speed_mask);
  4751. return -EINVAL;
  4752. }
  4753. } else { /* link_down */
  4754. DP(NETIF_MSG_LINK, "phy link down\n");
  4755. vars->phy_link_up = 0;
  4756. vars->duplex = DUPLEX_FULL;
  4757. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4758. vars->mac_type = MAC_TYPE_NONE;
  4759. }
  4760. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4761. vars->phy_link_up, vars->line_speed);
  4762. return 0;
  4763. }
  4764. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4765. struct link_params *params,
  4766. struct link_vars *vars)
  4767. {
  4768. struct bnx2x *bp = params->bp;
  4769. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4770. int rc = 0;
  4771. /* Read gp_status */
  4772. CL22_RD_OVER_CL45(bp, phy,
  4773. MDIO_REG_BANK_GP_STATUS,
  4774. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4775. &gp_status);
  4776. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4777. duplex = DUPLEX_FULL;
  4778. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4779. link_up = 1;
  4780. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4781. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4782. gp_status, link_up, speed_mask);
  4783. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4784. duplex);
  4785. if (rc == -EINVAL)
  4786. return rc;
  4787. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4788. if (SINGLE_MEDIA_DIRECT(params)) {
  4789. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4790. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4791. bnx2x_xgxs_an_resolve(phy, params, vars,
  4792. gp_status);
  4793. }
  4794. } else { /* link_down */
  4795. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4796. SINGLE_MEDIA_DIRECT(params)) {
  4797. /* Check signal is detected */
  4798. bnx2x_check_fallback_to_cl37(phy, params);
  4799. }
  4800. }
  4801. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4802. vars->duplex, vars->flow_ctrl, vars->link_status);
  4803. return rc;
  4804. }
  4805. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4806. struct link_params *params,
  4807. struct link_vars *vars)
  4808. {
  4809. struct bnx2x *bp = params->bp;
  4810. u8 lane;
  4811. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4812. int rc = 0;
  4813. lane = bnx2x_get_warpcore_lane(phy, params);
  4814. /* Read gp_status */
  4815. if (phy->req_line_speed > SPEED_10000) {
  4816. u16 temp_link_up;
  4817. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4818. 1, &temp_link_up);
  4819. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4820. 1, &link_up);
  4821. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4822. temp_link_up, link_up);
  4823. link_up &= (1<<2);
  4824. if (link_up)
  4825. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4826. } else {
  4827. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4828. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4829. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4830. /* Check for either KR or generic link up. */
  4831. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4832. ((gp_status1 >> 12) & 0xf);
  4833. link_up = gp_status1 & (1 << lane);
  4834. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4835. u16 pd, gp_status4;
  4836. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4837. /* Check Autoneg complete */
  4838. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4839. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4840. &gp_status4);
  4841. if (gp_status4 & ((1<<12)<<lane))
  4842. vars->link_status |=
  4843. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4844. /* Check parallel detect used */
  4845. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4846. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4847. &pd);
  4848. if (pd & (1<<15))
  4849. vars->link_status |=
  4850. LINK_STATUS_PARALLEL_DETECTION_USED;
  4851. }
  4852. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4853. }
  4854. }
  4855. if (lane < 2) {
  4856. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4857. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4858. } else {
  4859. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4860. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4861. }
  4862. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4863. if ((lane & 1) == 0)
  4864. gp_speed <<= 8;
  4865. gp_speed &= 0x3f00;
  4866. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4867. duplex);
  4868. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4869. vars->duplex, vars->flow_ctrl, vars->link_status);
  4870. return rc;
  4871. }
  4872. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4873. {
  4874. struct bnx2x *bp = params->bp;
  4875. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4876. u16 lp_up2;
  4877. u16 tx_driver;
  4878. u16 bank;
  4879. /* read precomp */
  4880. CL22_RD_OVER_CL45(bp, phy,
  4881. MDIO_REG_BANK_OVER_1G,
  4882. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4883. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4884. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4885. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4886. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4887. if (lp_up2 == 0)
  4888. return;
  4889. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4890. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4891. CL22_RD_OVER_CL45(bp, phy,
  4892. bank,
  4893. MDIO_TX0_TX_DRIVER, &tx_driver);
  4894. /* replace tx_driver bits [15:12] */
  4895. if (lp_up2 !=
  4896. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4897. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4898. tx_driver |= lp_up2;
  4899. CL22_WR_OVER_CL45(bp, phy,
  4900. bank,
  4901. MDIO_TX0_TX_DRIVER, tx_driver);
  4902. }
  4903. }
  4904. }
  4905. static int bnx2x_emac_program(struct link_params *params,
  4906. struct link_vars *vars)
  4907. {
  4908. struct bnx2x *bp = params->bp;
  4909. u8 port = params->port;
  4910. u16 mode = 0;
  4911. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4912. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4913. EMAC_REG_EMAC_MODE,
  4914. (EMAC_MODE_25G_MODE |
  4915. EMAC_MODE_PORT_MII_10M |
  4916. EMAC_MODE_HALF_DUPLEX));
  4917. switch (vars->line_speed) {
  4918. case SPEED_10:
  4919. mode |= EMAC_MODE_PORT_MII_10M;
  4920. break;
  4921. case SPEED_100:
  4922. mode |= EMAC_MODE_PORT_MII;
  4923. break;
  4924. case SPEED_1000:
  4925. mode |= EMAC_MODE_PORT_GMII;
  4926. break;
  4927. case SPEED_2500:
  4928. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4929. break;
  4930. default:
  4931. /* 10G not valid for EMAC */
  4932. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4933. vars->line_speed);
  4934. return -EINVAL;
  4935. }
  4936. if (vars->duplex == DUPLEX_HALF)
  4937. mode |= EMAC_MODE_HALF_DUPLEX;
  4938. bnx2x_bits_en(bp,
  4939. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4940. mode);
  4941. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4942. return 0;
  4943. }
  4944. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4945. struct link_params *params)
  4946. {
  4947. u16 bank, i = 0;
  4948. struct bnx2x *bp = params->bp;
  4949. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4950. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4951. CL22_WR_OVER_CL45(bp, phy,
  4952. bank,
  4953. MDIO_RX0_RX_EQ_BOOST,
  4954. phy->rx_preemphasis[i]);
  4955. }
  4956. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4957. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4958. CL22_WR_OVER_CL45(bp, phy,
  4959. bank,
  4960. MDIO_TX0_TX_DRIVER,
  4961. phy->tx_preemphasis[i]);
  4962. }
  4963. }
  4964. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4965. struct link_params *params,
  4966. struct link_vars *vars)
  4967. {
  4968. struct bnx2x *bp = params->bp;
  4969. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4970. (params->loopback_mode == LOOPBACK_XGXS));
  4971. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4972. if (SINGLE_MEDIA_DIRECT(params) &&
  4973. (params->feature_config_flags &
  4974. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4975. bnx2x_set_preemphasis(phy, params);
  4976. /* forced speed requested? */
  4977. if (vars->line_speed != SPEED_AUTO_NEG ||
  4978. (SINGLE_MEDIA_DIRECT(params) &&
  4979. params->loopback_mode == LOOPBACK_EXT)) {
  4980. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4981. /* disable autoneg */
  4982. bnx2x_set_autoneg(phy, params, vars, 0);
  4983. /* program speed and duplex */
  4984. bnx2x_program_serdes(phy, params, vars);
  4985. } else { /* AN_mode */
  4986. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4987. /* AN enabled */
  4988. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4989. /* program duplex & pause advertisement (for aneg) */
  4990. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4991. vars->ieee_fc);
  4992. /* enable autoneg */
  4993. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4994. /* enable and restart AN */
  4995. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4996. }
  4997. } else { /* SGMII mode */
  4998. DP(NETIF_MSG_LINK, "SGMII\n");
  4999. bnx2x_initialize_sgmii_process(phy, params, vars);
  5000. }
  5001. }
  5002. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5003. struct link_params *params,
  5004. struct link_vars *vars)
  5005. {
  5006. int rc;
  5007. vars->phy_flags |= PHY_XGXS_FLAG;
  5008. if ((phy->req_line_speed &&
  5009. ((phy->req_line_speed == SPEED_100) ||
  5010. (phy->req_line_speed == SPEED_10))) ||
  5011. (!phy->req_line_speed &&
  5012. (phy->speed_cap_mask >=
  5013. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5014. (phy->speed_cap_mask <
  5015. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5016. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5017. vars->phy_flags |= PHY_SGMII_FLAG;
  5018. else
  5019. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5020. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5021. bnx2x_set_aer_mmd(params, phy);
  5022. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5023. bnx2x_set_master_ln(params, phy);
  5024. rc = bnx2x_reset_unicore(params, phy, 0);
  5025. /* reset the SerDes and wait for reset bit return low */
  5026. if (rc != 0)
  5027. return rc;
  5028. bnx2x_set_aer_mmd(params, phy);
  5029. /* setting the masterLn_def again after the reset */
  5030. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5031. bnx2x_set_master_ln(params, phy);
  5032. bnx2x_set_swap_lanes(params, phy);
  5033. }
  5034. return rc;
  5035. }
  5036. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5037. struct bnx2x_phy *phy,
  5038. struct link_params *params)
  5039. {
  5040. u16 cnt, ctrl;
  5041. /* Wait for soft reset to get cleared up to 1 sec */
  5042. for (cnt = 0; cnt < 1000; cnt++) {
  5043. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5044. bnx2x_cl22_read(bp, phy,
  5045. MDIO_PMA_REG_CTRL, &ctrl);
  5046. else
  5047. bnx2x_cl45_read(bp, phy,
  5048. MDIO_PMA_DEVAD,
  5049. MDIO_PMA_REG_CTRL, &ctrl);
  5050. if (!(ctrl & (1<<15)))
  5051. break;
  5052. msleep(1);
  5053. }
  5054. if (cnt == 1000)
  5055. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5056. " Port %d\n",
  5057. params->port);
  5058. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5059. return cnt;
  5060. }
  5061. static void bnx2x_link_int_enable(struct link_params *params)
  5062. {
  5063. u8 port = params->port;
  5064. u32 mask;
  5065. struct bnx2x *bp = params->bp;
  5066. /* Setting the status to report on link up for either XGXS or SerDes */
  5067. if (CHIP_IS_E3(bp)) {
  5068. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5069. if (!(SINGLE_MEDIA_DIRECT(params)))
  5070. mask |= NIG_MASK_MI_INT;
  5071. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5072. mask = (NIG_MASK_XGXS0_LINK10G |
  5073. NIG_MASK_XGXS0_LINK_STATUS);
  5074. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5075. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5076. params->phy[INT_PHY].type !=
  5077. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5078. mask |= NIG_MASK_MI_INT;
  5079. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5080. }
  5081. } else { /* SerDes */
  5082. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5083. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5084. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5085. params->phy[INT_PHY].type !=
  5086. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5087. mask |= NIG_MASK_MI_INT;
  5088. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5089. }
  5090. }
  5091. bnx2x_bits_en(bp,
  5092. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5093. mask);
  5094. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5095. (params->switch_cfg == SWITCH_CFG_10G),
  5096. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5097. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5098. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5099. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5100. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5101. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5102. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5103. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5104. }
  5105. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5106. u8 exp_mi_int)
  5107. {
  5108. u32 latch_status = 0;
  5109. /*
  5110. * Disable the MI INT ( external phy int ) by writing 1 to the
  5111. * status register. Link down indication is high-active-signal,
  5112. * so in this case we need to write the status to clear the XOR
  5113. */
  5114. /* Read Latched signals */
  5115. latch_status = REG_RD(bp,
  5116. NIG_REG_LATCH_STATUS_0 + port*8);
  5117. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5118. /* Handle only those with latched-signal=up.*/
  5119. if (exp_mi_int)
  5120. bnx2x_bits_en(bp,
  5121. NIG_REG_STATUS_INTERRUPT_PORT0
  5122. + port*4,
  5123. NIG_STATUS_EMAC0_MI_INT);
  5124. else
  5125. bnx2x_bits_dis(bp,
  5126. NIG_REG_STATUS_INTERRUPT_PORT0
  5127. + port*4,
  5128. NIG_STATUS_EMAC0_MI_INT);
  5129. if (latch_status & 1) {
  5130. /* For all latched-signal=up : Re-Arm Latch signals */
  5131. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5132. (latch_status & 0xfffe) | (latch_status & 1));
  5133. }
  5134. /* For all latched-signal=up,Write original_signal to status */
  5135. }
  5136. static void bnx2x_link_int_ack(struct link_params *params,
  5137. struct link_vars *vars, u8 is_10g_plus)
  5138. {
  5139. struct bnx2x *bp = params->bp;
  5140. u8 port = params->port;
  5141. u32 mask;
  5142. /*
  5143. * First reset all status we assume only one line will be
  5144. * change at a time
  5145. */
  5146. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5147. (NIG_STATUS_XGXS0_LINK10G |
  5148. NIG_STATUS_XGXS0_LINK_STATUS |
  5149. NIG_STATUS_SERDES0_LINK_STATUS));
  5150. if (vars->phy_link_up) {
  5151. if (USES_WARPCORE(bp))
  5152. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5153. else {
  5154. if (is_10g_plus)
  5155. mask = NIG_STATUS_XGXS0_LINK10G;
  5156. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5157. /*
  5158. * Disable the link interrupt by writing 1 to
  5159. * the relevant lane in the status register
  5160. */
  5161. u32 ser_lane =
  5162. ((params->lane_config &
  5163. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5164. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5165. mask = ((1 << ser_lane) <<
  5166. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5167. } else
  5168. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5169. }
  5170. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5171. mask);
  5172. bnx2x_bits_en(bp,
  5173. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5174. mask);
  5175. }
  5176. }
  5177. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5178. {
  5179. u8 *str_ptr = str;
  5180. u32 mask = 0xf0000000;
  5181. u8 shift = 8*4;
  5182. u8 digit;
  5183. u8 remove_leading_zeros = 1;
  5184. if (*len < 10) {
  5185. /* Need more than 10chars for this format */
  5186. *str_ptr = '\0';
  5187. (*len)--;
  5188. return -EINVAL;
  5189. }
  5190. while (shift > 0) {
  5191. shift -= 4;
  5192. digit = ((num & mask) >> shift);
  5193. if (digit == 0 && remove_leading_zeros) {
  5194. mask = mask >> 4;
  5195. continue;
  5196. } else if (digit < 0xa)
  5197. *str_ptr = digit + '0';
  5198. else
  5199. *str_ptr = digit - 0xa + 'a';
  5200. remove_leading_zeros = 0;
  5201. str_ptr++;
  5202. (*len)--;
  5203. mask = mask >> 4;
  5204. if (shift == 4*4) {
  5205. *str_ptr = '.';
  5206. str_ptr++;
  5207. (*len)--;
  5208. remove_leading_zeros = 1;
  5209. }
  5210. }
  5211. return 0;
  5212. }
  5213. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5214. {
  5215. str[0] = '\0';
  5216. (*len)--;
  5217. return 0;
  5218. }
  5219. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5220. u8 *version, u16 len)
  5221. {
  5222. struct bnx2x *bp;
  5223. u32 spirom_ver = 0;
  5224. int status = 0;
  5225. u8 *ver_p = version;
  5226. u16 remain_len = len;
  5227. if (version == NULL || params == NULL)
  5228. return -EINVAL;
  5229. bp = params->bp;
  5230. /* Extract first external phy*/
  5231. version[0] = '\0';
  5232. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5233. if (params->phy[EXT_PHY1].format_fw_ver) {
  5234. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5235. ver_p,
  5236. &remain_len);
  5237. ver_p += (len - remain_len);
  5238. }
  5239. if ((params->num_phys == MAX_PHYS) &&
  5240. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5241. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5242. if (params->phy[EXT_PHY2].format_fw_ver) {
  5243. *ver_p = '/';
  5244. ver_p++;
  5245. remain_len--;
  5246. status |= params->phy[EXT_PHY2].format_fw_ver(
  5247. spirom_ver,
  5248. ver_p,
  5249. &remain_len);
  5250. ver_p = version + (len - remain_len);
  5251. }
  5252. }
  5253. *ver_p = '\0';
  5254. return status;
  5255. }
  5256. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5257. struct link_params *params)
  5258. {
  5259. u8 port = params->port;
  5260. struct bnx2x *bp = params->bp;
  5261. if (phy->req_line_speed != SPEED_1000) {
  5262. u32 md_devad = 0;
  5263. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5264. if (!CHIP_IS_E3(bp)) {
  5265. /* change the uni_phy_addr in the nig */
  5266. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5267. port*0x18));
  5268. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5269. 0x5);
  5270. }
  5271. bnx2x_cl45_write(bp, phy,
  5272. 5,
  5273. (MDIO_REG_BANK_AER_BLOCK +
  5274. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5275. 0x2800);
  5276. bnx2x_cl45_write(bp, phy,
  5277. 5,
  5278. (MDIO_REG_BANK_CL73_IEEEB0 +
  5279. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5280. 0x6041);
  5281. msleep(200);
  5282. /* set aer mmd back */
  5283. bnx2x_set_aer_mmd(params, phy);
  5284. if (!CHIP_IS_E3(bp)) {
  5285. /* and md_devad */
  5286. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5287. md_devad);
  5288. }
  5289. } else {
  5290. u16 mii_ctrl;
  5291. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5292. bnx2x_cl45_read(bp, phy, 5,
  5293. (MDIO_REG_BANK_COMBO_IEEE0 +
  5294. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5295. &mii_ctrl);
  5296. bnx2x_cl45_write(bp, phy, 5,
  5297. (MDIO_REG_BANK_COMBO_IEEE0 +
  5298. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5299. mii_ctrl |
  5300. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5301. }
  5302. }
  5303. int bnx2x_set_led(struct link_params *params,
  5304. struct link_vars *vars, u8 mode, u32 speed)
  5305. {
  5306. u8 port = params->port;
  5307. u16 hw_led_mode = params->hw_led_mode;
  5308. int rc = 0;
  5309. u8 phy_idx;
  5310. u32 tmp;
  5311. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5312. struct bnx2x *bp = params->bp;
  5313. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5314. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5315. speed, hw_led_mode);
  5316. /* In case */
  5317. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5318. if (params->phy[phy_idx].set_link_led) {
  5319. params->phy[phy_idx].set_link_led(
  5320. &params->phy[phy_idx], params, mode);
  5321. }
  5322. }
  5323. switch (mode) {
  5324. case LED_MODE_FRONT_PANEL_OFF:
  5325. case LED_MODE_OFF:
  5326. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5327. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5328. SHARED_HW_CFG_LED_MAC1);
  5329. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5330. if (params->phy[EXT_PHY1].type ==
  5331. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5332. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5333. else {
  5334. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5335. (tmp | EMAC_LED_OVERRIDE));
  5336. }
  5337. break;
  5338. case LED_MODE_OPER:
  5339. /*
  5340. * For all other phys, OPER mode is same as ON, so in case
  5341. * link is down, do nothing
  5342. */
  5343. if (!vars->link_up)
  5344. break;
  5345. case LED_MODE_ON:
  5346. if (((params->phy[EXT_PHY1].type ==
  5347. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5348. (params->phy[EXT_PHY1].type ==
  5349. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5350. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5351. /*
  5352. * This is a work-around for E2+8727 Configurations
  5353. */
  5354. if (mode == LED_MODE_ON ||
  5355. speed == SPEED_10000){
  5356. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5357. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5358. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5359. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5360. (tmp | EMAC_LED_OVERRIDE));
  5361. /*
  5362. * return here without enabling traffic
  5363. * LED blink and setting rate in ON mode.
  5364. * In oper mode, enabling LED blink
  5365. * and setting rate is needed.
  5366. */
  5367. if (mode == LED_MODE_ON)
  5368. return rc;
  5369. }
  5370. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5371. /*
  5372. * This is a work-around for HW issue found when link
  5373. * is up in CL73
  5374. */
  5375. if ((!CHIP_IS_E3(bp)) ||
  5376. (CHIP_IS_E3(bp) &&
  5377. mode == LED_MODE_ON))
  5378. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5379. if (CHIP_IS_E1x(bp) ||
  5380. CHIP_IS_E2(bp) ||
  5381. (mode == LED_MODE_ON))
  5382. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5383. else
  5384. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5385. hw_led_mode);
  5386. } else if ((params->phy[EXT_PHY1].type ==
  5387. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5388. (mode != LED_MODE_OPER)) {
  5389. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5390. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5391. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5392. } else
  5393. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5394. hw_led_mode);
  5395. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5396. /* Set blinking rate to ~15.9Hz */
  5397. if (CHIP_IS_E3(bp))
  5398. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5399. LED_BLINK_RATE_VAL_E3);
  5400. else
  5401. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5402. LED_BLINK_RATE_VAL_E1X_E2);
  5403. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5404. port*4, 1);
  5405. if ((params->phy[EXT_PHY1].type !=
  5406. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5407. (mode != LED_MODE_OPER)) {
  5408. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5409. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5410. (tmp & (~EMAC_LED_OVERRIDE)));
  5411. }
  5412. if (CHIP_IS_E1(bp) &&
  5413. ((speed == SPEED_2500) ||
  5414. (speed == SPEED_1000) ||
  5415. (speed == SPEED_100) ||
  5416. (speed == SPEED_10))) {
  5417. /*
  5418. * On Everest 1 Ax chip versions for speeds less than
  5419. * 10G LED scheme is different
  5420. */
  5421. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5422. + port*4, 1);
  5423. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5424. port*4, 0);
  5425. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5426. port*4, 1);
  5427. }
  5428. break;
  5429. default:
  5430. rc = -EINVAL;
  5431. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5432. mode);
  5433. break;
  5434. }
  5435. return rc;
  5436. }
  5437. /*
  5438. * This function comes to reflect the actual link state read DIRECTLY from the
  5439. * HW
  5440. */
  5441. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5442. u8 is_serdes)
  5443. {
  5444. struct bnx2x *bp = params->bp;
  5445. u16 gp_status = 0, phy_index = 0;
  5446. u8 ext_phy_link_up = 0, serdes_phy_type;
  5447. struct link_vars temp_vars;
  5448. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5449. if (CHIP_IS_E3(bp)) {
  5450. u16 link_up;
  5451. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5452. > SPEED_10000) {
  5453. /* Check 20G link */
  5454. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5455. 1, &link_up);
  5456. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5457. 1, &link_up);
  5458. link_up &= (1<<2);
  5459. } else {
  5460. /* Check 10G link and below*/
  5461. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5462. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5463. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5464. &gp_status);
  5465. gp_status = ((gp_status >> 8) & 0xf) |
  5466. ((gp_status >> 12) & 0xf);
  5467. link_up = gp_status & (1 << lane);
  5468. }
  5469. if (!link_up)
  5470. return -ESRCH;
  5471. } else {
  5472. CL22_RD_OVER_CL45(bp, int_phy,
  5473. MDIO_REG_BANK_GP_STATUS,
  5474. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5475. &gp_status);
  5476. /* link is up only if both local phy and external phy are up */
  5477. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5478. return -ESRCH;
  5479. }
  5480. /* In XGXS loopback mode, do not check external PHY */
  5481. if (params->loopback_mode == LOOPBACK_XGXS)
  5482. return 0;
  5483. switch (params->num_phys) {
  5484. case 1:
  5485. /* No external PHY */
  5486. return 0;
  5487. case 2:
  5488. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5489. &params->phy[EXT_PHY1],
  5490. params, &temp_vars);
  5491. break;
  5492. case 3: /* Dual Media */
  5493. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5494. phy_index++) {
  5495. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5496. ETH_PHY_SFP_FIBER) ||
  5497. (params->phy[phy_index].media_type ==
  5498. ETH_PHY_XFP_FIBER) ||
  5499. (params->phy[phy_index].media_type ==
  5500. ETH_PHY_DA_TWINAX));
  5501. if (is_serdes != serdes_phy_type)
  5502. continue;
  5503. if (params->phy[phy_index].read_status) {
  5504. ext_phy_link_up |=
  5505. params->phy[phy_index].read_status(
  5506. &params->phy[phy_index],
  5507. params, &temp_vars);
  5508. }
  5509. }
  5510. break;
  5511. }
  5512. if (ext_phy_link_up)
  5513. return 0;
  5514. return -ESRCH;
  5515. }
  5516. static int bnx2x_link_initialize(struct link_params *params,
  5517. struct link_vars *vars)
  5518. {
  5519. int rc = 0;
  5520. u8 phy_index, non_ext_phy;
  5521. struct bnx2x *bp = params->bp;
  5522. /*
  5523. * In case of external phy existence, the line speed would be the
  5524. * line speed linked up by the external phy. In case it is direct
  5525. * only, then the line_speed during initialization will be
  5526. * equal to the req_line_speed
  5527. */
  5528. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5529. /*
  5530. * Initialize the internal phy in case this is a direct board
  5531. * (no external phys), or this board has external phy which requires
  5532. * to first.
  5533. */
  5534. if (!USES_WARPCORE(bp))
  5535. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5536. /* init ext phy and enable link state int */
  5537. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5538. (params->loopback_mode == LOOPBACK_XGXS));
  5539. if (non_ext_phy ||
  5540. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5541. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5542. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5543. if (vars->line_speed == SPEED_AUTO_NEG &&
  5544. (CHIP_IS_E1x(bp) ||
  5545. CHIP_IS_E2(bp)))
  5546. bnx2x_set_parallel_detection(phy, params);
  5547. if (params->phy[INT_PHY].config_init)
  5548. params->phy[INT_PHY].config_init(phy,
  5549. params,
  5550. vars);
  5551. }
  5552. /* Init external phy*/
  5553. if (non_ext_phy) {
  5554. if (params->phy[INT_PHY].supported &
  5555. SUPPORTED_FIBRE)
  5556. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5557. } else {
  5558. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5559. phy_index++) {
  5560. /*
  5561. * No need to initialize second phy in case of first
  5562. * phy only selection. In case of second phy, we do
  5563. * need to initialize the first phy, since they are
  5564. * connected.
  5565. */
  5566. if (params->phy[phy_index].supported &
  5567. SUPPORTED_FIBRE)
  5568. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5569. if (phy_index == EXT_PHY2 &&
  5570. (bnx2x_phy_selection(params) ==
  5571. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5572. DP(NETIF_MSG_LINK,
  5573. "Not initializing second phy\n");
  5574. continue;
  5575. }
  5576. params->phy[phy_index].config_init(
  5577. &params->phy[phy_index],
  5578. params, vars);
  5579. }
  5580. }
  5581. /* Reset the interrupt indication after phy was initialized */
  5582. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5583. params->port*4,
  5584. (NIG_STATUS_XGXS0_LINK10G |
  5585. NIG_STATUS_XGXS0_LINK_STATUS |
  5586. NIG_STATUS_SERDES0_LINK_STATUS |
  5587. NIG_MASK_MI_INT));
  5588. bnx2x_update_mng(params, vars->link_status);
  5589. return rc;
  5590. }
  5591. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5592. struct link_params *params)
  5593. {
  5594. /* reset the SerDes/XGXS */
  5595. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5596. (0x1ff << (params->port*16)));
  5597. }
  5598. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5599. struct link_params *params)
  5600. {
  5601. struct bnx2x *bp = params->bp;
  5602. u8 gpio_port;
  5603. /* HW reset */
  5604. if (CHIP_IS_E2(bp))
  5605. gpio_port = BP_PATH(bp);
  5606. else
  5607. gpio_port = params->port;
  5608. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5609. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5610. gpio_port);
  5611. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5612. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5613. gpio_port);
  5614. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5615. }
  5616. static int bnx2x_update_link_down(struct link_params *params,
  5617. struct link_vars *vars)
  5618. {
  5619. struct bnx2x *bp = params->bp;
  5620. u8 port = params->port;
  5621. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5622. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5623. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5624. /* indicate no mac active */
  5625. vars->mac_type = MAC_TYPE_NONE;
  5626. /* update shared memory */
  5627. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5628. LINK_STATUS_LINK_UP |
  5629. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5630. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5631. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5632. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5633. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5634. vars->line_speed = 0;
  5635. bnx2x_update_mng(params, vars->link_status);
  5636. /* activate nig drain */
  5637. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5638. /* disable emac */
  5639. if (!CHIP_IS_E3(bp))
  5640. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5641. msleep(10);
  5642. /* reset BigMac/Xmac */
  5643. if (CHIP_IS_E1x(bp) ||
  5644. CHIP_IS_E2(bp)) {
  5645. bnx2x_bmac_rx_disable(bp, params->port);
  5646. REG_WR(bp, GRCBASE_MISC +
  5647. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5648. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5649. }
  5650. if (CHIP_IS_E3(bp)) {
  5651. bnx2x_xmac_disable(params);
  5652. bnx2x_umac_disable(params);
  5653. }
  5654. return 0;
  5655. }
  5656. static int bnx2x_update_link_up(struct link_params *params,
  5657. struct link_vars *vars,
  5658. u8 link_10g)
  5659. {
  5660. struct bnx2x *bp = params->bp;
  5661. u8 port = params->port;
  5662. int rc = 0;
  5663. vars->link_status |= (LINK_STATUS_LINK_UP |
  5664. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5665. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5666. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5667. vars->link_status |=
  5668. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5669. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5670. vars->link_status |=
  5671. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5672. if (USES_WARPCORE(bp)) {
  5673. if (link_10g) {
  5674. if (bnx2x_xmac_enable(params, vars, 0) ==
  5675. -ESRCH) {
  5676. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5677. vars->link_up = 0;
  5678. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5679. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5680. }
  5681. } else
  5682. bnx2x_umac_enable(params, vars, 0);
  5683. bnx2x_set_led(params, vars,
  5684. LED_MODE_OPER, vars->line_speed);
  5685. }
  5686. if ((CHIP_IS_E1x(bp) ||
  5687. CHIP_IS_E2(bp))) {
  5688. if (link_10g) {
  5689. if (bnx2x_bmac_enable(params, vars, 0) ==
  5690. -ESRCH) {
  5691. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5692. vars->link_up = 0;
  5693. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5694. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5695. }
  5696. bnx2x_set_led(params, vars,
  5697. LED_MODE_OPER, SPEED_10000);
  5698. } else {
  5699. rc = bnx2x_emac_program(params, vars);
  5700. bnx2x_emac_enable(params, vars, 0);
  5701. /* AN complete? */
  5702. if ((vars->link_status &
  5703. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5704. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5705. SINGLE_MEDIA_DIRECT(params))
  5706. bnx2x_set_gmii_tx_driver(params);
  5707. }
  5708. }
  5709. /* PBF - link up */
  5710. if (CHIP_IS_E1x(bp))
  5711. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5712. vars->line_speed);
  5713. /* disable drain */
  5714. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5715. /* update shared memory */
  5716. bnx2x_update_mng(params, vars->link_status);
  5717. msleep(20);
  5718. return rc;
  5719. }
  5720. /*
  5721. * The bnx2x_link_update function should be called upon link
  5722. * interrupt.
  5723. * Link is considered up as follows:
  5724. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5725. * to be up
  5726. * - SINGLE_MEDIA - The link between the 577xx and the external
  5727. * phy (XGXS) need to up as well as the external link of the
  5728. * phy (PHY_EXT1)
  5729. * - DUAL_MEDIA - The link between the 577xx and the first
  5730. * external phy needs to be up, and at least one of the 2
  5731. * external phy link must be up.
  5732. */
  5733. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5734. {
  5735. struct bnx2x *bp = params->bp;
  5736. struct link_vars phy_vars[MAX_PHYS];
  5737. u8 port = params->port;
  5738. u8 link_10g_plus, phy_index;
  5739. u8 ext_phy_link_up = 0, cur_link_up;
  5740. int rc = 0;
  5741. u8 is_mi_int = 0;
  5742. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5743. u8 active_external_phy = INT_PHY;
  5744. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5745. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5746. phy_index++) {
  5747. phy_vars[phy_index].flow_ctrl = 0;
  5748. phy_vars[phy_index].link_status = 0;
  5749. phy_vars[phy_index].line_speed = 0;
  5750. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5751. phy_vars[phy_index].phy_link_up = 0;
  5752. phy_vars[phy_index].link_up = 0;
  5753. phy_vars[phy_index].fault_detected = 0;
  5754. }
  5755. if (USES_WARPCORE(bp))
  5756. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5757. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5758. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5759. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5760. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5761. port*0x18) > 0);
  5762. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5763. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5764. is_mi_int,
  5765. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5766. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5767. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5768. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5769. /* disable emac */
  5770. if (!CHIP_IS_E3(bp))
  5771. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5772. /*
  5773. * Step 1:
  5774. * Check external link change only for external phys, and apply
  5775. * priority selection between them in case the link on both phys
  5776. * is up. Note that instead of the common vars, a temporary
  5777. * vars argument is used since each phy may have different link/
  5778. * speed/duplex result
  5779. */
  5780. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5781. phy_index++) {
  5782. struct bnx2x_phy *phy = &params->phy[phy_index];
  5783. if (!phy->read_status)
  5784. continue;
  5785. /* Read link status and params of this ext phy */
  5786. cur_link_up = phy->read_status(phy, params,
  5787. &phy_vars[phy_index]);
  5788. if (cur_link_up) {
  5789. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5790. phy_index);
  5791. } else {
  5792. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5793. phy_index);
  5794. continue;
  5795. }
  5796. if (!ext_phy_link_up) {
  5797. ext_phy_link_up = 1;
  5798. active_external_phy = phy_index;
  5799. } else {
  5800. switch (bnx2x_phy_selection(params)) {
  5801. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5802. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5803. /*
  5804. * In this option, the first PHY makes sure to pass the
  5805. * traffic through itself only.
  5806. * Its not clear how to reset the link on the second phy
  5807. */
  5808. active_external_phy = EXT_PHY1;
  5809. break;
  5810. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5811. /*
  5812. * In this option, the first PHY makes sure to pass the
  5813. * traffic through the second PHY.
  5814. */
  5815. active_external_phy = EXT_PHY2;
  5816. break;
  5817. default:
  5818. /*
  5819. * Link indication on both PHYs with the following cases
  5820. * is invalid:
  5821. * - FIRST_PHY means that second phy wasn't initialized,
  5822. * hence its link is expected to be down
  5823. * - SECOND_PHY means that first phy should not be able
  5824. * to link up by itself (using configuration)
  5825. * - DEFAULT should be overriden during initialiazation
  5826. */
  5827. DP(NETIF_MSG_LINK, "Invalid link indication"
  5828. "mpc=0x%x. DISABLING LINK !!!\n",
  5829. params->multi_phy_config);
  5830. ext_phy_link_up = 0;
  5831. break;
  5832. }
  5833. }
  5834. }
  5835. prev_line_speed = vars->line_speed;
  5836. /*
  5837. * Step 2:
  5838. * Read the status of the internal phy. In case of
  5839. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5840. * otherwise this is the link between the 577xx and the first
  5841. * external phy
  5842. */
  5843. if (params->phy[INT_PHY].read_status)
  5844. params->phy[INT_PHY].read_status(
  5845. &params->phy[INT_PHY],
  5846. params, vars);
  5847. /*
  5848. * The INT_PHY flow control reside in the vars. This include the
  5849. * case where the speed or flow control are not set to AUTO.
  5850. * Otherwise, the active external phy flow control result is set
  5851. * to the vars. The ext_phy_line_speed is needed to check if the
  5852. * speed is different between the internal phy and external phy.
  5853. * This case may be result of intermediate link speed change.
  5854. */
  5855. if (active_external_phy > INT_PHY) {
  5856. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5857. /*
  5858. * Link speed is taken from the XGXS. AN and FC result from
  5859. * the external phy.
  5860. */
  5861. vars->link_status |= phy_vars[active_external_phy].link_status;
  5862. /*
  5863. * if active_external_phy is first PHY and link is up - disable
  5864. * disable TX on second external PHY
  5865. */
  5866. if (active_external_phy == EXT_PHY1) {
  5867. if (params->phy[EXT_PHY2].phy_specific_func) {
  5868. DP(NETIF_MSG_LINK,
  5869. "Disabling TX on EXT_PHY2\n");
  5870. params->phy[EXT_PHY2].phy_specific_func(
  5871. &params->phy[EXT_PHY2],
  5872. params, DISABLE_TX);
  5873. }
  5874. }
  5875. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5876. vars->duplex = phy_vars[active_external_phy].duplex;
  5877. if (params->phy[active_external_phy].supported &
  5878. SUPPORTED_FIBRE)
  5879. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5880. else
  5881. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5882. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5883. active_external_phy);
  5884. }
  5885. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5886. phy_index++) {
  5887. if (params->phy[phy_index].flags &
  5888. FLAGS_REARM_LATCH_SIGNAL) {
  5889. bnx2x_rearm_latch_signal(bp, port,
  5890. phy_index ==
  5891. active_external_phy);
  5892. break;
  5893. }
  5894. }
  5895. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5896. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5897. vars->link_status, ext_phy_line_speed);
  5898. /*
  5899. * Upon link speed change set the NIG into drain mode. Comes to
  5900. * deals with possible FIFO glitch due to clk change when speed
  5901. * is decreased without link down indicator
  5902. */
  5903. if (vars->phy_link_up) {
  5904. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5905. (ext_phy_line_speed != vars->line_speed)) {
  5906. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5907. " different than the external"
  5908. " link speed %d\n", vars->line_speed,
  5909. ext_phy_line_speed);
  5910. vars->phy_link_up = 0;
  5911. } else if (prev_line_speed != vars->line_speed) {
  5912. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5913. 0);
  5914. msleep(1);
  5915. }
  5916. }
  5917. /* anything 10 and over uses the bmac */
  5918. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5919. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5920. /*
  5921. * In case external phy link is up, and internal link is down
  5922. * (not initialized yet probably after link initialization, it
  5923. * needs to be initialized.
  5924. * Note that after link down-up as result of cable plug, the xgxs
  5925. * link would probably become up again without the need
  5926. * initialize it
  5927. */
  5928. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5929. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5930. " init_preceding = %d\n", ext_phy_link_up,
  5931. vars->phy_link_up,
  5932. params->phy[EXT_PHY1].flags &
  5933. FLAGS_INIT_XGXS_FIRST);
  5934. if (!(params->phy[EXT_PHY1].flags &
  5935. FLAGS_INIT_XGXS_FIRST)
  5936. && ext_phy_link_up && !vars->phy_link_up) {
  5937. vars->line_speed = ext_phy_line_speed;
  5938. if (vars->line_speed < SPEED_1000)
  5939. vars->phy_flags |= PHY_SGMII_FLAG;
  5940. else
  5941. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5942. if (params->phy[INT_PHY].config_init)
  5943. params->phy[INT_PHY].config_init(
  5944. &params->phy[INT_PHY], params,
  5945. vars);
  5946. }
  5947. }
  5948. /*
  5949. * Link is up only if both local phy and external phy (in case of
  5950. * non-direct board) are up and no fault detected on active PHY.
  5951. */
  5952. vars->link_up = (vars->phy_link_up &&
  5953. (ext_phy_link_up ||
  5954. SINGLE_MEDIA_DIRECT(params)) &&
  5955. (phy_vars[active_external_phy].fault_detected == 0));
  5956. if (vars->link_up)
  5957. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5958. else
  5959. rc = bnx2x_update_link_down(params, vars);
  5960. return rc;
  5961. }
  5962. /*****************************************************************************/
  5963. /* External Phy section */
  5964. /*****************************************************************************/
  5965. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5966. {
  5967. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5968. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5969. msleep(1);
  5970. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5971. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5972. }
  5973. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5974. u32 spirom_ver, u32 ver_addr)
  5975. {
  5976. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5977. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5978. if (ver_addr)
  5979. REG_WR(bp, ver_addr, spirom_ver);
  5980. }
  5981. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5982. struct bnx2x_phy *phy,
  5983. u8 port)
  5984. {
  5985. u16 fw_ver1, fw_ver2;
  5986. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5987. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5988. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5989. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5990. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5991. phy->ver_addr);
  5992. }
  5993. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5994. struct bnx2x_phy *phy,
  5995. struct link_vars *vars)
  5996. {
  5997. u16 val;
  5998. bnx2x_cl45_read(bp, phy,
  5999. MDIO_AN_DEVAD,
  6000. MDIO_AN_REG_STATUS, &val);
  6001. bnx2x_cl45_read(bp, phy,
  6002. MDIO_AN_DEVAD,
  6003. MDIO_AN_REG_STATUS, &val);
  6004. if (val & (1<<5))
  6005. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6006. if ((val & (1<<0)) == 0)
  6007. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6008. }
  6009. /******************************************************************/
  6010. /* common BCM8073/BCM8727 PHY SECTION */
  6011. /******************************************************************/
  6012. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6013. struct link_params *params,
  6014. struct link_vars *vars)
  6015. {
  6016. struct bnx2x *bp = params->bp;
  6017. if (phy->req_line_speed == SPEED_10 ||
  6018. phy->req_line_speed == SPEED_100) {
  6019. vars->flow_ctrl = phy->req_flow_ctrl;
  6020. return;
  6021. }
  6022. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6023. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6024. u16 pause_result;
  6025. u16 ld_pause; /* local */
  6026. u16 lp_pause; /* link partner */
  6027. bnx2x_cl45_read(bp, phy,
  6028. MDIO_AN_DEVAD,
  6029. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6030. bnx2x_cl45_read(bp, phy,
  6031. MDIO_AN_DEVAD,
  6032. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6033. pause_result = (ld_pause &
  6034. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6035. pause_result |= (lp_pause &
  6036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6037. bnx2x_pause_resolve(vars, pause_result);
  6038. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6039. pause_result);
  6040. }
  6041. }
  6042. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6043. struct bnx2x_phy *phy,
  6044. u8 port)
  6045. {
  6046. u32 count = 0;
  6047. u16 fw_ver1, fw_msgout;
  6048. int rc = 0;
  6049. /* Boot port from external ROM */
  6050. /* EDC grst */
  6051. bnx2x_cl45_write(bp, phy,
  6052. MDIO_PMA_DEVAD,
  6053. MDIO_PMA_REG_GEN_CTRL,
  6054. 0x0001);
  6055. /* ucode reboot and rst */
  6056. bnx2x_cl45_write(bp, phy,
  6057. MDIO_PMA_DEVAD,
  6058. MDIO_PMA_REG_GEN_CTRL,
  6059. 0x008c);
  6060. bnx2x_cl45_write(bp, phy,
  6061. MDIO_PMA_DEVAD,
  6062. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6063. /* Reset internal microprocessor */
  6064. bnx2x_cl45_write(bp, phy,
  6065. MDIO_PMA_DEVAD,
  6066. MDIO_PMA_REG_GEN_CTRL,
  6067. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6068. /* Release srst bit */
  6069. bnx2x_cl45_write(bp, phy,
  6070. MDIO_PMA_DEVAD,
  6071. MDIO_PMA_REG_GEN_CTRL,
  6072. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6073. /* Delay 100ms per the PHY specifications */
  6074. msleep(100);
  6075. /* 8073 sometimes taking longer to download */
  6076. do {
  6077. count++;
  6078. if (count > 300) {
  6079. DP(NETIF_MSG_LINK,
  6080. "bnx2x_8073_8727_external_rom_boot port %x:"
  6081. "Download failed. fw version = 0x%x\n",
  6082. port, fw_ver1);
  6083. rc = -EINVAL;
  6084. break;
  6085. }
  6086. bnx2x_cl45_read(bp, phy,
  6087. MDIO_PMA_DEVAD,
  6088. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6089. bnx2x_cl45_read(bp, phy,
  6090. MDIO_PMA_DEVAD,
  6091. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6092. msleep(1);
  6093. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6094. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6095. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6096. /* Clear ser_boot_ctl bit */
  6097. bnx2x_cl45_write(bp, phy,
  6098. MDIO_PMA_DEVAD,
  6099. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6100. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6101. DP(NETIF_MSG_LINK,
  6102. "bnx2x_8073_8727_external_rom_boot port %x:"
  6103. "Download complete. fw version = 0x%x\n",
  6104. port, fw_ver1);
  6105. return rc;
  6106. }
  6107. /******************************************************************/
  6108. /* BCM8073 PHY SECTION */
  6109. /******************************************************************/
  6110. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6111. {
  6112. /* This is only required for 8073A1, version 102 only */
  6113. u16 val;
  6114. /* Read 8073 HW revision*/
  6115. bnx2x_cl45_read(bp, phy,
  6116. MDIO_PMA_DEVAD,
  6117. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6118. if (val != 1) {
  6119. /* No need to workaround in 8073 A1 */
  6120. return 0;
  6121. }
  6122. bnx2x_cl45_read(bp, phy,
  6123. MDIO_PMA_DEVAD,
  6124. MDIO_PMA_REG_ROM_VER2, &val);
  6125. /* SNR should be applied only for version 0x102 */
  6126. if (val != 0x102)
  6127. return 0;
  6128. return 1;
  6129. }
  6130. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6131. {
  6132. u16 val, cnt, cnt1 ;
  6133. bnx2x_cl45_read(bp, phy,
  6134. MDIO_PMA_DEVAD,
  6135. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6136. if (val > 0) {
  6137. /* No need to workaround in 8073 A1 */
  6138. return 0;
  6139. }
  6140. /* XAUI workaround in 8073 A0: */
  6141. /*
  6142. * After loading the boot ROM and restarting Autoneg, poll
  6143. * Dev1, Reg $C820:
  6144. */
  6145. for (cnt = 0; cnt < 1000; cnt++) {
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_PMA_DEVAD,
  6148. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6149. &val);
  6150. /*
  6151. * If bit [14] = 0 or bit [13] = 0, continue on with
  6152. * system initialization (XAUI work-around not required, as
  6153. * these bits indicate 2.5G or 1G link up).
  6154. */
  6155. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6156. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6157. return 0;
  6158. } else if (!(val & (1<<15))) {
  6159. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6160. /*
  6161. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6162. * MSB (bit15) goes to 1 (indicating that the XAUI
  6163. * workaround has completed), then continue on with
  6164. * system initialization.
  6165. */
  6166. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_PMA_DEVAD,
  6169. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6170. if (val & (1<<15)) {
  6171. DP(NETIF_MSG_LINK,
  6172. "XAUI workaround has completed\n");
  6173. return 0;
  6174. }
  6175. msleep(3);
  6176. }
  6177. break;
  6178. }
  6179. msleep(3);
  6180. }
  6181. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6182. return -EINVAL;
  6183. }
  6184. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6185. {
  6186. /* Force KR or KX */
  6187. bnx2x_cl45_write(bp, phy,
  6188. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6189. bnx2x_cl45_write(bp, phy,
  6190. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6191. bnx2x_cl45_write(bp, phy,
  6192. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6193. bnx2x_cl45_write(bp, phy,
  6194. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6195. }
  6196. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6197. struct bnx2x_phy *phy,
  6198. struct link_vars *vars)
  6199. {
  6200. u16 cl37_val;
  6201. struct bnx2x *bp = params->bp;
  6202. bnx2x_cl45_read(bp, phy,
  6203. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6204. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6205. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6206. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6207. if ((vars->ieee_fc &
  6208. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6209. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6210. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6211. }
  6212. if ((vars->ieee_fc &
  6213. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6214. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6215. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6216. }
  6217. if ((vars->ieee_fc &
  6218. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6219. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6220. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6221. }
  6222. DP(NETIF_MSG_LINK,
  6223. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6224. bnx2x_cl45_write(bp, phy,
  6225. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6226. msleep(500);
  6227. }
  6228. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6229. struct link_params *params,
  6230. struct link_vars *vars)
  6231. {
  6232. struct bnx2x *bp = params->bp;
  6233. u16 val = 0, tmp1;
  6234. u8 gpio_port;
  6235. DP(NETIF_MSG_LINK, "Init 8073\n");
  6236. if (CHIP_IS_E2(bp))
  6237. gpio_port = BP_PATH(bp);
  6238. else
  6239. gpio_port = params->port;
  6240. /* Restore normal power mode*/
  6241. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6242. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6243. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6244. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6245. /* enable LASI */
  6246. bnx2x_cl45_write(bp, phy,
  6247. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6248. bnx2x_cl45_write(bp, phy,
  6249. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6250. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6251. bnx2x_cl45_read(bp, phy,
  6252. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6253. bnx2x_cl45_read(bp, phy,
  6254. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6255. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6256. /* Swap polarity if required - Must be done only in non-1G mode */
  6257. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6258. /* Configure the 8073 to swap _P and _N of the KR lines */
  6259. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6260. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6261. bnx2x_cl45_read(bp, phy,
  6262. MDIO_PMA_DEVAD,
  6263. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6264. bnx2x_cl45_write(bp, phy,
  6265. MDIO_PMA_DEVAD,
  6266. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6267. (val | (3<<9)));
  6268. }
  6269. /* Enable CL37 BAM */
  6270. if (REG_RD(bp, params->shmem_base +
  6271. offsetof(struct shmem_region, dev_info.
  6272. port_hw_config[params->port].default_cfg)) &
  6273. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6274. bnx2x_cl45_read(bp, phy,
  6275. MDIO_AN_DEVAD,
  6276. MDIO_AN_REG_8073_BAM, &val);
  6277. bnx2x_cl45_write(bp, phy,
  6278. MDIO_AN_DEVAD,
  6279. MDIO_AN_REG_8073_BAM, val | 1);
  6280. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6281. }
  6282. if (params->loopback_mode == LOOPBACK_EXT) {
  6283. bnx2x_807x_force_10G(bp, phy);
  6284. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6285. return 0;
  6286. } else {
  6287. bnx2x_cl45_write(bp, phy,
  6288. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6289. }
  6290. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6291. if (phy->req_line_speed == SPEED_10000) {
  6292. val = (1<<7);
  6293. } else if (phy->req_line_speed == SPEED_2500) {
  6294. val = (1<<5);
  6295. /*
  6296. * Note that 2.5G works only when used with 1G
  6297. * advertisement
  6298. */
  6299. } else
  6300. val = (1<<5);
  6301. } else {
  6302. val = 0;
  6303. if (phy->speed_cap_mask &
  6304. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6305. val |= (1<<7);
  6306. /* Note that 2.5G works only when used with 1G advertisement */
  6307. if (phy->speed_cap_mask &
  6308. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6309. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6310. val |= (1<<5);
  6311. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6312. }
  6313. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6314. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6315. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6316. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6317. (phy->req_line_speed == SPEED_2500)) {
  6318. u16 phy_ver;
  6319. /* Allow 2.5G for A1 and above */
  6320. bnx2x_cl45_read(bp, phy,
  6321. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6322. &phy_ver);
  6323. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6324. if (phy_ver > 0)
  6325. tmp1 |= 1;
  6326. else
  6327. tmp1 &= 0xfffe;
  6328. } else {
  6329. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6330. tmp1 &= 0xfffe;
  6331. }
  6332. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6333. /* Add support for CL37 (passive mode) II */
  6334. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6335. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6336. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6337. 0x20 : 0x40)));
  6338. /* Add support for CL37 (passive mode) III */
  6339. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6340. /*
  6341. * The SNR will improve about 2db by changing BW and FEE main
  6342. * tap. Rest commands are executed after link is up
  6343. * Change FFE main cursor to 5 in EDC register
  6344. */
  6345. if (bnx2x_8073_is_snr_needed(bp, phy))
  6346. bnx2x_cl45_write(bp, phy,
  6347. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6348. 0xFB0C);
  6349. /* Enable FEC (Forware Error Correction) Request in the AN */
  6350. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6351. tmp1 |= (1<<15);
  6352. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6353. bnx2x_ext_phy_set_pause(params, phy, vars);
  6354. /* Restart autoneg */
  6355. msleep(500);
  6356. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6357. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6358. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6359. return 0;
  6360. }
  6361. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6362. struct link_params *params,
  6363. struct link_vars *vars)
  6364. {
  6365. struct bnx2x *bp = params->bp;
  6366. u8 link_up = 0;
  6367. u16 val1, val2;
  6368. u16 link_status = 0;
  6369. u16 an1000_status = 0;
  6370. bnx2x_cl45_read(bp, phy,
  6371. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6372. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6373. /* clear the interrupt LASI status register */
  6374. bnx2x_cl45_read(bp, phy,
  6375. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6376. bnx2x_cl45_read(bp, phy,
  6377. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6378. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6379. /* Clear MSG-OUT */
  6380. bnx2x_cl45_read(bp, phy,
  6381. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6382. /* Check the LASI */
  6383. bnx2x_cl45_read(bp, phy,
  6384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6385. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6386. /* Check the link status */
  6387. bnx2x_cl45_read(bp, phy,
  6388. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6389. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6390. bnx2x_cl45_read(bp, phy,
  6391. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6392. bnx2x_cl45_read(bp, phy,
  6393. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6394. link_up = ((val1 & 4) == 4);
  6395. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6396. if (link_up &&
  6397. ((phy->req_line_speed != SPEED_10000))) {
  6398. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6399. return 0;
  6400. }
  6401. bnx2x_cl45_read(bp, phy,
  6402. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6403. bnx2x_cl45_read(bp, phy,
  6404. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6405. /* Check the link status on 1.1.2 */
  6406. bnx2x_cl45_read(bp, phy,
  6407. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6408. bnx2x_cl45_read(bp, phy,
  6409. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6410. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6411. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6412. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6413. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6414. /*
  6415. * The SNR will improve about 2dbby changing the BW and FEE main
  6416. * tap. The 1st write to change FFE main tap is set before
  6417. * restart AN. Change PLL Bandwidth in EDC register
  6418. */
  6419. bnx2x_cl45_write(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6421. 0x26BC);
  6422. /* Change CDR Bandwidth in EDC register */
  6423. bnx2x_cl45_write(bp, phy,
  6424. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6425. 0x0333);
  6426. }
  6427. bnx2x_cl45_read(bp, phy,
  6428. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6429. &link_status);
  6430. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6431. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6432. link_up = 1;
  6433. vars->line_speed = SPEED_10000;
  6434. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6435. params->port);
  6436. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6437. link_up = 1;
  6438. vars->line_speed = SPEED_2500;
  6439. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6440. params->port);
  6441. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6442. link_up = 1;
  6443. vars->line_speed = SPEED_1000;
  6444. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6445. params->port);
  6446. } else {
  6447. link_up = 0;
  6448. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6449. params->port);
  6450. }
  6451. if (link_up) {
  6452. /* Swap polarity if required */
  6453. if (params->lane_config &
  6454. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6455. /* Configure the 8073 to swap P and N of the KR lines */
  6456. bnx2x_cl45_read(bp, phy,
  6457. MDIO_XS_DEVAD,
  6458. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6459. /*
  6460. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6461. * when it`s in 10G mode.
  6462. */
  6463. if (vars->line_speed == SPEED_1000) {
  6464. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6465. "the 8073\n");
  6466. val1 |= (1<<3);
  6467. } else
  6468. val1 &= ~(1<<3);
  6469. bnx2x_cl45_write(bp, phy,
  6470. MDIO_XS_DEVAD,
  6471. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6472. val1);
  6473. }
  6474. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6475. bnx2x_8073_resolve_fc(phy, params, vars);
  6476. vars->duplex = DUPLEX_FULL;
  6477. }
  6478. return link_up;
  6479. }
  6480. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6481. struct link_params *params)
  6482. {
  6483. struct bnx2x *bp = params->bp;
  6484. u8 gpio_port;
  6485. if (CHIP_IS_E2(bp))
  6486. gpio_port = BP_PATH(bp);
  6487. else
  6488. gpio_port = params->port;
  6489. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6490. gpio_port);
  6491. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6492. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6493. gpio_port);
  6494. }
  6495. /******************************************************************/
  6496. /* BCM8705 PHY SECTION */
  6497. /******************************************************************/
  6498. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6499. struct link_params *params,
  6500. struct link_vars *vars)
  6501. {
  6502. struct bnx2x *bp = params->bp;
  6503. DP(NETIF_MSG_LINK, "init 8705\n");
  6504. /* Restore normal power mode*/
  6505. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6506. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6507. /* HW reset */
  6508. bnx2x_ext_phy_hw_reset(bp, params->port);
  6509. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6510. bnx2x_wait_reset_complete(bp, phy, params);
  6511. bnx2x_cl45_write(bp, phy,
  6512. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6513. bnx2x_cl45_write(bp, phy,
  6514. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6515. bnx2x_cl45_write(bp, phy,
  6516. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6517. bnx2x_cl45_write(bp, phy,
  6518. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6519. /* BCM8705 doesn't have microcode, hence the 0 */
  6520. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6521. return 0;
  6522. }
  6523. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6524. struct link_params *params,
  6525. struct link_vars *vars)
  6526. {
  6527. u8 link_up = 0;
  6528. u16 val1, rx_sd;
  6529. struct bnx2x *bp = params->bp;
  6530. DP(NETIF_MSG_LINK, "read status 8705\n");
  6531. bnx2x_cl45_read(bp, phy,
  6532. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6533. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6534. bnx2x_cl45_read(bp, phy,
  6535. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6536. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6539. bnx2x_cl45_read(bp, phy,
  6540. MDIO_PMA_DEVAD, 0xc809, &val1);
  6541. bnx2x_cl45_read(bp, phy,
  6542. MDIO_PMA_DEVAD, 0xc809, &val1);
  6543. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6544. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6545. if (link_up) {
  6546. vars->line_speed = SPEED_10000;
  6547. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6548. }
  6549. return link_up;
  6550. }
  6551. /******************************************************************/
  6552. /* SFP+ module Section */
  6553. /******************************************************************/
  6554. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6555. struct bnx2x_phy *phy,
  6556. u8 pmd_dis)
  6557. {
  6558. struct bnx2x *bp = params->bp;
  6559. /*
  6560. * Disable transmitter only for bootcodes which can enable it afterwards
  6561. * (for D3 link)
  6562. */
  6563. if (pmd_dis) {
  6564. if (params->feature_config_flags &
  6565. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6566. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6567. else {
  6568. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6569. return;
  6570. }
  6571. } else
  6572. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6573. bnx2x_cl45_write(bp, phy,
  6574. MDIO_PMA_DEVAD,
  6575. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6576. }
  6577. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6578. {
  6579. u8 gpio_port;
  6580. u32 swap_val, swap_override;
  6581. struct bnx2x *bp = params->bp;
  6582. if (CHIP_IS_E2(bp))
  6583. gpio_port = BP_PATH(bp);
  6584. else
  6585. gpio_port = params->port;
  6586. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6587. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6588. return gpio_port ^ (swap_val && swap_override);
  6589. }
  6590. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6591. struct bnx2x_phy *phy,
  6592. u8 tx_en)
  6593. {
  6594. u16 val;
  6595. u8 port = params->port;
  6596. struct bnx2x *bp = params->bp;
  6597. u32 tx_en_mode;
  6598. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6599. tx_en_mode = REG_RD(bp, params->shmem_base +
  6600. offsetof(struct shmem_region,
  6601. dev_info.port_hw_config[port].sfp_ctrl)) &
  6602. PORT_HW_CFG_TX_LASER_MASK;
  6603. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6604. "mode = %x\n", tx_en, port, tx_en_mode);
  6605. switch (tx_en_mode) {
  6606. case PORT_HW_CFG_TX_LASER_MDIO:
  6607. bnx2x_cl45_read(bp, phy,
  6608. MDIO_PMA_DEVAD,
  6609. MDIO_PMA_REG_PHY_IDENTIFIER,
  6610. &val);
  6611. if (tx_en)
  6612. val &= ~(1<<15);
  6613. else
  6614. val |= (1<<15);
  6615. bnx2x_cl45_write(bp, phy,
  6616. MDIO_PMA_DEVAD,
  6617. MDIO_PMA_REG_PHY_IDENTIFIER,
  6618. val);
  6619. break;
  6620. case PORT_HW_CFG_TX_LASER_GPIO0:
  6621. case PORT_HW_CFG_TX_LASER_GPIO1:
  6622. case PORT_HW_CFG_TX_LASER_GPIO2:
  6623. case PORT_HW_CFG_TX_LASER_GPIO3:
  6624. {
  6625. u16 gpio_pin;
  6626. u8 gpio_port, gpio_mode;
  6627. if (tx_en)
  6628. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6629. else
  6630. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6631. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6632. gpio_port = bnx2x_get_gpio_port(params);
  6633. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6634. break;
  6635. }
  6636. default:
  6637. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6638. break;
  6639. }
  6640. }
  6641. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6642. struct bnx2x_phy *phy,
  6643. u8 tx_en)
  6644. {
  6645. struct bnx2x *bp = params->bp;
  6646. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6647. if (CHIP_IS_E3(bp))
  6648. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6649. else
  6650. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6651. }
  6652. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6653. struct link_params *params,
  6654. u16 addr, u8 byte_cnt, u8 *o_buf)
  6655. {
  6656. struct bnx2x *bp = params->bp;
  6657. u16 val = 0;
  6658. u16 i;
  6659. if (byte_cnt > 16) {
  6660. DP(NETIF_MSG_LINK,
  6661. "Reading from eeprom is limited to 0xf\n");
  6662. return -EINVAL;
  6663. }
  6664. /* Set the read command byte count */
  6665. bnx2x_cl45_write(bp, phy,
  6666. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6667. (byte_cnt | 0xa000));
  6668. /* Set the read command address */
  6669. bnx2x_cl45_write(bp, phy,
  6670. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6671. addr);
  6672. /* Activate read command */
  6673. bnx2x_cl45_write(bp, phy,
  6674. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6675. 0x2c0f);
  6676. /* Wait up to 500us for command complete status */
  6677. for (i = 0; i < 100; i++) {
  6678. bnx2x_cl45_read(bp, phy,
  6679. MDIO_PMA_DEVAD,
  6680. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6681. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6682. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6683. break;
  6684. udelay(5);
  6685. }
  6686. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6687. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6688. DP(NETIF_MSG_LINK,
  6689. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6690. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6691. return -EINVAL;
  6692. }
  6693. /* Read the buffer */
  6694. for (i = 0; i < byte_cnt; i++) {
  6695. bnx2x_cl45_read(bp, phy,
  6696. MDIO_PMA_DEVAD,
  6697. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6698. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6699. }
  6700. for (i = 0; i < 100; i++) {
  6701. bnx2x_cl45_read(bp, phy,
  6702. MDIO_PMA_DEVAD,
  6703. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6704. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6705. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6706. return 0;
  6707. msleep(1);
  6708. }
  6709. return -EINVAL;
  6710. }
  6711. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6712. struct link_params *params,
  6713. u16 addr, u8 byte_cnt,
  6714. u8 *o_buf)
  6715. {
  6716. int rc = 0;
  6717. u8 i, j = 0, cnt = 0;
  6718. u32 data_array[4];
  6719. u16 addr32;
  6720. struct bnx2x *bp = params->bp;
  6721. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6722. " addr %d, cnt %d\n",
  6723. addr, byte_cnt);*/
  6724. if (byte_cnt > 16) {
  6725. DP(NETIF_MSG_LINK,
  6726. "Reading from eeprom is limited to 16 bytes\n");
  6727. return -EINVAL;
  6728. }
  6729. /* 4 byte aligned address */
  6730. addr32 = addr & (~0x3);
  6731. do {
  6732. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6733. data_array);
  6734. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6735. if (rc == 0) {
  6736. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6737. o_buf[j] = *((u8 *)data_array + i);
  6738. j++;
  6739. }
  6740. }
  6741. return rc;
  6742. }
  6743. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6744. struct link_params *params,
  6745. u16 addr, u8 byte_cnt, u8 *o_buf)
  6746. {
  6747. struct bnx2x *bp = params->bp;
  6748. u16 val, i;
  6749. if (byte_cnt > 16) {
  6750. DP(NETIF_MSG_LINK,
  6751. "Reading from eeprom is limited to 0xf\n");
  6752. return -EINVAL;
  6753. }
  6754. /* Need to read from 1.8000 to clear it */
  6755. bnx2x_cl45_read(bp, phy,
  6756. MDIO_PMA_DEVAD,
  6757. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6758. &val);
  6759. /* Set the read command byte count */
  6760. bnx2x_cl45_write(bp, phy,
  6761. MDIO_PMA_DEVAD,
  6762. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6763. ((byte_cnt < 2) ? 2 : byte_cnt));
  6764. /* Set the read command address */
  6765. bnx2x_cl45_write(bp, phy,
  6766. MDIO_PMA_DEVAD,
  6767. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6768. addr);
  6769. /* Set the destination address */
  6770. bnx2x_cl45_write(bp, phy,
  6771. MDIO_PMA_DEVAD,
  6772. 0x8004,
  6773. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6774. /* Activate read command */
  6775. bnx2x_cl45_write(bp, phy,
  6776. MDIO_PMA_DEVAD,
  6777. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6778. 0x8002);
  6779. /*
  6780. * Wait appropriate time for two-wire command to finish before
  6781. * polling the status register
  6782. */
  6783. msleep(1);
  6784. /* Wait up to 500us for command complete status */
  6785. for (i = 0; i < 100; i++) {
  6786. bnx2x_cl45_read(bp, phy,
  6787. MDIO_PMA_DEVAD,
  6788. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6789. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6790. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6791. break;
  6792. udelay(5);
  6793. }
  6794. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6795. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6796. DP(NETIF_MSG_LINK,
  6797. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6798. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6799. return -EFAULT;
  6800. }
  6801. /* Read the buffer */
  6802. for (i = 0; i < byte_cnt; i++) {
  6803. bnx2x_cl45_read(bp, phy,
  6804. MDIO_PMA_DEVAD,
  6805. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6806. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6807. }
  6808. for (i = 0; i < 100; i++) {
  6809. bnx2x_cl45_read(bp, phy,
  6810. MDIO_PMA_DEVAD,
  6811. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6812. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6813. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6814. return 0;
  6815. msleep(1);
  6816. }
  6817. return -EINVAL;
  6818. }
  6819. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6820. struct link_params *params, u16 addr,
  6821. u8 byte_cnt, u8 *o_buf)
  6822. {
  6823. int rc = -EINVAL;
  6824. switch (phy->type) {
  6825. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6826. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6827. byte_cnt, o_buf);
  6828. break;
  6829. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6830. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6831. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6832. byte_cnt, o_buf);
  6833. break;
  6834. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6835. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6836. byte_cnt, o_buf);
  6837. break;
  6838. }
  6839. return rc;
  6840. }
  6841. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6842. struct link_params *params,
  6843. u16 *edc_mode)
  6844. {
  6845. struct bnx2x *bp = params->bp;
  6846. u32 sync_offset = 0, phy_idx, media_types;
  6847. u8 val, check_limiting_mode = 0;
  6848. *edc_mode = EDC_MODE_LIMITING;
  6849. phy->media_type = ETH_PHY_UNSPECIFIED;
  6850. /* First check for copper cable */
  6851. if (bnx2x_read_sfp_module_eeprom(phy,
  6852. params,
  6853. SFP_EEPROM_CON_TYPE_ADDR,
  6854. 1,
  6855. &val) != 0) {
  6856. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6857. return -EINVAL;
  6858. }
  6859. switch (val) {
  6860. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6861. {
  6862. u8 copper_module_type;
  6863. phy->media_type = ETH_PHY_DA_TWINAX;
  6864. /*
  6865. * Check if its active cable (includes SFP+ module)
  6866. * of passive cable
  6867. */
  6868. if (bnx2x_read_sfp_module_eeprom(phy,
  6869. params,
  6870. SFP_EEPROM_FC_TX_TECH_ADDR,
  6871. 1,
  6872. &copper_module_type) != 0) {
  6873. DP(NETIF_MSG_LINK,
  6874. "Failed to read copper-cable-type"
  6875. " from SFP+ EEPROM\n");
  6876. return -EINVAL;
  6877. }
  6878. if (copper_module_type &
  6879. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6880. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6881. check_limiting_mode = 1;
  6882. } else if (copper_module_type &
  6883. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6884. DP(NETIF_MSG_LINK,
  6885. "Passive Copper cable detected\n");
  6886. *edc_mode =
  6887. EDC_MODE_PASSIVE_DAC;
  6888. } else {
  6889. DP(NETIF_MSG_LINK,
  6890. "Unknown copper-cable-type 0x%x !!!\n",
  6891. copper_module_type);
  6892. return -EINVAL;
  6893. }
  6894. break;
  6895. }
  6896. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6897. phy->media_type = ETH_PHY_SFP_FIBER;
  6898. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6899. check_limiting_mode = 1;
  6900. break;
  6901. default:
  6902. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6903. val);
  6904. return -EINVAL;
  6905. }
  6906. sync_offset = params->shmem_base +
  6907. offsetof(struct shmem_region,
  6908. dev_info.port_hw_config[params->port].media_type);
  6909. media_types = REG_RD(bp, sync_offset);
  6910. /* Update media type for non-PMF sync */
  6911. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6912. if (&(params->phy[phy_idx]) == phy) {
  6913. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6914. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6915. media_types |= ((phy->media_type &
  6916. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6917. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6918. break;
  6919. }
  6920. }
  6921. REG_WR(bp, sync_offset, media_types);
  6922. if (check_limiting_mode) {
  6923. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6924. if (bnx2x_read_sfp_module_eeprom(phy,
  6925. params,
  6926. SFP_EEPROM_OPTIONS_ADDR,
  6927. SFP_EEPROM_OPTIONS_SIZE,
  6928. options) != 0) {
  6929. DP(NETIF_MSG_LINK,
  6930. "Failed to read Option field from module EEPROM\n");
  6931. return -EINVAL;
  6932. }
  6933. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6934. *edc_mode = EDC_MODE_LINEAR;
  6935. else
  6936. *edc_mode = EDC_MODE_LIMITING;
  6937. }
  6938. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6939. return 0;
  6940. }
  6941. /*
  6942. * This function read the relevant field from the module (SFP+), and verify it
  6943. * is compliant with this board
  6944. */
  6945. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6946. struct link_params *params)
  6947. {
  6948. struct bnx2x *bp = params->bp;
  6949. u32 val, cmd;
  6950. u32 fw_resp, fw_cmd_param;
  6951. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6952. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6953. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6954. val = REG_RD(bp, params->shmem_base +
  6955. offsetof(struct shmem_region, dev_info.
  6956. port_feature_config[params->port].config));
  6957. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6958. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6959. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6960. return 0;
  6961. }
  6962. if (params->feature_config_flags &
  6963. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6964. /* Use specific phy request */
  6965. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6966. } else if (params->feature_config_flags &
  6967. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6968. /* Use first phy request only in case of non-dual media*/
  6969. if (DUAL_MEDIA(params)) {
  6970. DP(NETIF_MSG_LINK,
  6971. "FW does not support OPT MDL verification\n");
  6972. return -EINVAL;
  6973. }
  6974. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6975. } else {
  6976. /* No support in OPT MDL detection */
  6977. DP(NETIF_MSG_LINK,
  6978. "FW does not support OPT MDL verification\n");
  6979. return -EINVAL;
  6980. }
  6981. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6982. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6983. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6984. DP(NETIF_MSG_LINK, "Approved module\n");
  6985. return 0;
  6986. }
  6987. /* format the warning message */
  6988. if (bnx2x_read_sfp_module_eeprom(phy,
  6989. params,
  6990. SFP_EEPROM_VENDOR_NAME_ADDR,
  6991. SFP_EEPROM_VENDOR_NAME_SIZE,
  6992. (u8 *)vendor_name))
  6993. vendor_name[0] = '\0';
  6994. else
  6995. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6996. if (bnx2x_read_sfp_module_eeprom(phy,
  6997. params,
  6998. SFP_EEPROM_PART_NO_ADDR,
  6999. SFP_EEPROM_PART_NO_SIZE,
  7000. (u8 *)vendor_pn))
  7001. vendor_pn[0] = '\0';
  7002. else
  7003. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7004. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7005. " Port %d from %s part number %s\n",
  7006. params->port, vendor_name, vendor_pn);
  7007. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7008. return -EINVAL;
  7009. }
  7010. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7011. struct link_params *params)
  7012. {
  7013. u8 val;
  7014. struct bnx2x *bp = params->bp;
  7015. u16 timeout;
  7016. /*
  7017. * Initialization time after hot-plug may take up to 300ms for
  7018. * some phys type ( e.g. JDSU )
  7019. */
  7020. for (timeout = 0; timeout < 60; timeout++) {
  7021. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7022. == 0) {
  7023. DP(NETIF_MSG_LINK,
  7024. "SFP+ module initialization took %d ms\n",
  7025. timeout * 5);
  7026. return 0;
  7027. }
  7028. msleep(5);
  7029. }
  7030. return -EINVAL;
  7031. }
  7032. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7033. struct bnx2x_phy *phy,
  7034. u8 is_power_up) {
  7035. /* Make sure GPIOs are not using for LED mode */
  7036. u16 val;
  7037. /*
  7038. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7039. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7040. * output
  7041. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7042. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7043. * where the 1st bit is the over-current(only input), and 2nd bit is
  7044. * for power( only output )
  7045. *
  7046. * In case of NOC feature is disabled and power is up, set GPIO control
  7047. * as input to enable listening of over-current indication
  7048. */
  7049. if (phy->flags & FLAGS_NOC)
  7050. return;
  7051. if (is_power_up)
  7052. val = (1<<4);
  7053. else
  7054. /*
  7055. * Set GPIO control to OUTPUT, and set the power bit
  7056. * to according to the is_power_up
  7057. */
  7058. val = (1<<1);
  7059. bnx2x_cl45_write(bp, phy,
  7060. MDIO_PMA_DEVAD,
  7061. MDIO_PMA_REG_8727_GPIO_CTRL,
  7062. val);
  7063. }
  7064. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7065. struct bnx2x_phy *phy,
  7066. u16 edc_mode)
  7067. {
  7068. u16 cur_limiting_mode;
  7069. bnx2x_cl45_read(bp, phy,
  7070. MDIO_PMA_DEVAD,
  7071. MDIO_PMA_REG_ROM_VER2,
  7072. &cur_limiting_mode);
  7073. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7074. cur_limiting_mode);
  7075. if (edc_mode == EDC_MODE_LIMITING) {
  7076. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7077. bnx2x_cl45_write(bp, phy,
  7078. MDIO_PMA_DEVAD,
  7079. MDIO_PMA_REG_ROM_VER2,
  7080. EDC_MODE_LIMITING);
  7081. } else { /* LRM mode ( default )*/
  7082. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7083. /*
  7084. * Changing to LRM mode takes quite few seconds. So do it only
  7085. * if current mode is limiting (default is LRM)
  7086. */
  7087. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7088. return 0;
  7089. bnx2x_cl45_write(bp, phy,
  7090. MDIO_PMA_DEVAD,
  7091. MDIO_PMA_REG_LRM_MODE,
  7092. 0);
  7093. bnx2x_cl45_write(bp, phy,
  7094. MDIO_PMA_DEVAD,
  7095. MDIO_PMA_REG_ROM_VER2,
  7096. 0x128);
  7097. bnx2x_cl45_write(bp, phy,
  7098. MDIO_PMA_DEVAD,
  7099. MDIO_PMA_REG_MISC_CTRL0,
  7100. 0x4008);
  7101. bnx2x_cl45_write(bp, phy,
  7102. MDIO_PMA_DEVAD,
  7103. MDIO_PMA_REG_LRM_MODE,
  7104. 0xaaaa);
  7105. }
  7106. return 0;
  7107. }
  7108. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7109. struct bnx2x_phy *phy,
  7110. u16 edc_mode)
  7111. {
  7112. u16 phy_identifier;
  7113. u16 rom_ver2_val;
  7114. bnx2x_cl45_read(bp, phy,
  7115. MDIO_PMA_DEVAD,
  7116. MDIO_PMA_REG_PHY_IDENTIFIER,
  7117. &phy_identifier);
  7118. bnx2x_cl45_write(bp, phy,
  7119. MDIO_PMA_DEVAD,
  7120. MDIO_PMA_REG_PHY_IDENTIFIER,
  7121. (phy_identifier & ~(1<<9)));
  7122. bnx2x_cl45_read(bp, phy,
  7123. MDIO_PMA_DEVAD,
  7124. MDIO_PMA_REG_ROM_VER2,
  7125. &rom_ver2_val);
  7126. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7127. bnx2x_cl45_write(bp, phy,
  7128. MDIO_PMA_DEVAD,
  7129. MDIO_PMA_REG_ROM_VER2,
  7130. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7131. bnx2x_cl45_write(bp, phy,
  7132. MDIO_PMA_DEVAD,
  7133. MDIO_PMA_REG_PHY_IDENTIFIER,
  7134. (phy_identifier | (1<<9)));
  7135. return 0;
  7136. }
  7137. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7138. struct link_params *params,
  7139. u32 action)
  7140. {
  7141. struct bnx2x *bp = params->bp;
  7142. switch (action) {
  7143. case DISABLE_TX:
  7144. bnx2x_sfp_set_transmitter(params, phy, 0);
  7145. break;
  7146. case ENABLE_TX:
  7147. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7148. bnx2x_sfp_set_transmitter(params, phy, 1);
  7149. break;
  7150. default:
  7151. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7152. action);
  7153. return;
  7154. }
  7155. }
  7156. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7157. u8 gpio_mode)
  7158. {
  7159. struct bnx2x *bp = params->bp;
  7160. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7161. offsetof(struct shmem_region,
  7162. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7163. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7164. switch (fault_led_gpio) {
  7165. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7166. return;
  7167. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7168. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7169. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7170. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7171. {
  7172. u8 gpio_port = bnx2x_get_gpio_port(params);
  7173. u16 gpio_pin = fault_led_gpio -
  7174. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7175. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7176. "pin %x port %x mode %x\n",
  7177. gpio_pin, gpio_port, gpio_mode);
  7178. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7179. }
  7180. break;
  7181. default:
  7182. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7183. fault_led_gpio);
  7184. }
  7185. }
  7186. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7187. u8 gpio_mode)
  7188. {
  7189. u32 pin_cfg;
  7190. u8 port = params->port;
  7191. struct bnx2x *bp = params->bp;
  7192. pin_cfg = (REG_RD(bp, params->shmem_base +
  7193. offsetof(struct shmem_region,
  7194. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7195. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7196. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7197. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7198. gpio_mode, pin_cfg);
  7199. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7200. }
  7201. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7202. u8 gpio_mode)
  7203. {
  7204. struct bnx2x *bp = params->bp;
  7205. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7206. if (CHIP_IS_E3(bp)) {
  7207. /*
  7208. * Low ==> if SFP+ module is supported otherwise
  7209. * High ==> if SFP+ module is not on the approved vendor list
  7210. */
  7211. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7212. } else
  7213. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7214. }
  7215. static void bnx2x_warpcore_power_module(struct link_params *params,
  7216. struct bnx2x_phy *phy,
  7217. u8 power)
  7218. {
  7219. u32 pin_cfg;
  7220. struct bnx2x *bp = params->bp;
  7221. pin_cfg = (REG_RD(bp, params->shmem_base +
  7222. offsetof(struct shmem_region,
  7223. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7224. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7225. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7226. if (pin_cfg == PIN_CFG_NA)
  7227. return;
  7228. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7229. power, pin_cfg);
  7230. /*
  7231. * Low ==> corresponding SFP+ module is powered
  7232. * high ==> the SFP+ module is powered down
  7233. */
  7234. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7235. }
  7236. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7237. struct link_params *params)
  7238. {
  7239. bnx2x_warpcore_power_module(params, phy, 0);
  7240. }
  7241. static void bnx2x_power_sfp_module(struct link_params *params,
  7242. struct bnx2x_phy *phy,
  7243. u8 power)
  7244. {
  7245. struct bnx2x *bp = params->bp;
  7246. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7247. switch (phy->type) {
  7248. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7249. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7250. bnx2x_8727_power_module(params->bp, phy, power);
  7251. break;
  7252. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7253. bnx2x_warpcore_power_module(params, phy, power);
  7254. break;
  7255. default:
  7256. break;
  7257. }
  7258. }
  7259. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7260. struct bnx2x_phy *phy,
  7261. u16 edc_mode)
  7262. {
  7263. u16 val = 0;
  7264. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7265. struct bnx2x *bp = params->bp;
  7266. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7267. /* This is a global register which controls all lanes */
  7268. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7269. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7270. val &= ~(0xf << (lane << 2));
  7271. switch (edc_mode) {
  7272. case EDC_MODE_LINEAR:
  7273. case EDC_MODE_LIMITING:
  7274. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7275. break;
  7276. case EDC_MODE_PASSIVE_DAC:
  7277. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7278. break;
  7279. default:
  7280. break;
  7281. }
  7282. val |= (mode << (lane << 2));
  7283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7284. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7285. /* A must read */
  7286. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7287. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7288. /* Restart microcode to re-read the new mode */
  7289. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7290. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7291. }
  7292. static void bnx2x_set_limiting_mode(struct link_params *params,
  7293. struct bnx2x_phy *phy,
  7294. u16 edc_mode)
  7295. {
  7296. switch (phy->type) {
  7297. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7298. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7299. break;
  7300. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7301. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7302. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7303. break;
  7304. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7305. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7306. break;
  7307. }
  7308. }
  7309. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7310. struct link_params *params)
  7311. {
  7312. struct bnx2x *bp = params->bp;
  7313. u16 edc_mode;
  7314. int rc = 0;
  7315. u32 val = REG_RD(bp, params->shmem_base +
  7316. offsetof(struct shmem_region, dev_info.
  7317. port_feature_config[params->port].config));
  7318. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7319. params->port);
  7320. /* Power up module */
  7321. bnx2x_power_sfp_module(params, phy, 1);
  7322. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7323. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7324. return -EINVAL;
  7325. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7326. /* check SFP+ module compatibility */
  7327. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7328. rc = -EINVAL;
  7329. /* Turn on fault module-detected led */
  7330. bnx2x_set_sfp_module_fault_led(params,
  7331. MISC_REGISTERS_GPIO_HIGH);
  7332. /* Check if need to power down the SFP+ module */
  7333. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7334. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7335. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7336. bnx2x_power_sfp_module(params, phy, 0);
  7337. return rc;
  7338. }
  7339. } else {
  7340. /* Turn off fault module-detected led */
  7341. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7342. }
  7343. /*
  7344. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7345. * is done automatically
  7346. */
  7347. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7348. /*
  7349. * Enable transmit for this module if the module is approved, or
  7350. * if unapproved modules should also enable the Tx laser
  7351. */
  7352. if (rc == 0 ||
  7353. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7354. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7355. bnx2x_sfp_set_transmitter(params, phy, 1);
  7356. else
  7357. bnx2x_sfp_set_transmitter(params, phy, 0);
  7358. return rc;
  7359. }
  7360. void bnx2x_handle_module_detect_int(struct link_params *params)
  7361. {
  7362. struct bnx2x *bp = params->bp;
  7363. struct bnx2x_phy *phy;
  7364. u32 gpio_val;
  7365. u8 gpio_num, gpio_port;
  7366. if (CHIP_IS_E3(bp))
  7367. phy = &params->phy[INT_PHY];
  7368. else
  7369. phy = &params->phy[EXT_PHY1];
  7370. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7371. params->port, &gpio_num, &gpio_port) ==
  7372. -EINVAL) {
  7373. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7374. return;
  7375. }
  7376. /* Set valid module led off */
  7377. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7378. /* Get current gpio val reflecting module plugged in / out*/
  7379. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7380. /* Call the handling function in case module is detected */
  7381. if (gpio_val == 0) {
  7382. bnx2x_power_sfp_module(params, phy, 1);
  7383. bnx2x_set_gpio_int(bp, gpio_num,
  7384. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7385. gpio_port);
  7386. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7387. bnx2x_sfp_module_detection(phy, params);
  7388. else
  7389. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7390. } else {
  7391. u32 val = REG_RD(bp, params->shmem_base +
  7392. offsetof(struct shmem_region, dev_info.
  7393. port_feature_config[params->port].
  7394. config));
  7395. bnx2x_set_gpio_int(bp, gpio_num,
  7396. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7397. gpio_port);
  7398. /*
  7399. * Module was plugged out.
  7400. * Disable transmit for this module
  7401. */
  7402. phy->media_type = ETH_PHY_NOT_PRESENT;
  7403. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7404. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7405. CHIP_IS_E3(bp))
  7406. bnx2x_sfp_set_transmitter(params, phy, 0);
  7407. }
  7408. }
  7409. /******************************************************************/
  7410. /* Used by 8706 and 8727 */
  7411. /******************************************************************/
  7412. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7413. struct bnx2x_phy *phy,
  7414. u16 alarm_status_offset,
  7415. u16 alarm_ctrl_offset)
  7416. {
  7417. u16 alarm_status, val;
  7418. bnx2x_cl45_read(bp, phy,
  7419. MDIO_PMA_DEVAD, alarm_status_offset,
  7420. &alarm_status);
  7421. bnx2x_cl45_read(bp, phy,
  7422. MDIO_PMA_DEVAD, alarm_status_offset,
  7423. &alarm_status);
  7424. /* Mask or enable the fault event. */
  7425. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7426. if (alarm_status & (1<<0))
  7427. val &= ~(1<<0);
  7428. else
  7429. val |= (1<<0);
  7430. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7431. }
  7432. /******************************************************************/
  7433. /* common BCM8706/BCM8726 PHY SECTION */
  7434. /******************************************************************/
  7435. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7436. struct link_params *params,
  7437. struct link_vars *vars)
  7438. {
  7439. u8 link_up = 0;
  7440. u16 val1, val2, rx_sd, pcs_status;
  7441. struct bnx2x *bp = params->bp;
  7442. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7443. /* Clear RX Alarm*/
  7444. bnx2x_cl45_read(bp, phy,
  7445. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7446. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7447. MDIO_PMA_LASI_TXCTRL);
  7448. /* clear LASI indication*/
  7449. bnx2x_cl45_read(bp, phy,
  7450. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7451. bnx2x_cl45_read(bp, phy,
  7452. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7453. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7454. bnx2x_cl45_read(bp, phy,
  7455. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7456. bnx2x_cl45_read(bp, phy,
  7457. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7458. bnx2x_cl45_read(bp, phy,
  7459. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7460. bnx2x_cl45_read(bp, phy,
  7461. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7462. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7463. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7464. /*
  7465. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7466. * are set, or if the autoneg bit 1 is set
  7467. */
  7468. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7469. if (link_up) {
  7470. if (val2 & (1<<1))
  7471. vars->line_speed = SPEED_1000;
  7472. else
  7473. vars->line_speed = SPEED_10000;
  7474. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7475. vars->duplex = DUPLEX_FULL;
  7476. }
  7477. /* Capture 10G link fault. Read twice to clear stale value. */
  7478. if (vars->line_speed == SPEED_10000) {
  7479. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7480. MDIO_PMA_LASI_TXSTAT, &val1);
  7481. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7482. MDIO_PMA_LASI_TXSTAT, &val1);
  7483. if (val1 & (1<<0))
  7484. vars->fault_detected = 1;
  7485. }
  7486. return link_up;
  7487. }
  7488. /******************************************************************/
  7489. /* BCM8706 PHY SECTION */
  7490. /******************************************************************/
  7491. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7492. struct link_params *params,
  7493. struct link_vars *vars)
  7494. {
  7495. u32 tx_en_mode;
  7496. u16 cnt, val, tmp1;
  7497. struct bnx2x *bp = params->bp;
  7498. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7499. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7500. /* HW reset */
  7501. bnx2x_ext_phy_hw_reset(bp, params->port);
  7502. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7503. bnx2x_wait_reset_complete(bp, phy, params);
  7504. /* Wait until fw is loaded */
  7505. for (cnt = 0; cnt < 100; cnt++) {
  7506. bnx2x_cl45_read(bp, phy,
  7507. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7508. if (val)
  7509. break;
  7510. msleep(10);
  7511. }
  7512. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7513. if ((params->feature_config_flags &
  7514. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7515. u8 i;
  7516. u16 reg;
  7517. for (i = 0; i < 4; i++) {
  7518. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7519. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7520. MDIO_XS_8706_REG_BANK_RX0);
  7521. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7522. /* Clear first 3 bits of the control */
  7523. val &= ~0x7;
  7524. /* Set control bits according to configuration */
  7525. val |= (phy->rx_preemphasis[i] & 0x7);
  7526. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7527. " reg 0x%x <-- val 0x%x\n", reg, val);
  7528. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7529. }
  7530. }
  7531. /* Force speed */
  7532. if (phy->req_line_speed == SPEED_10000) {
  7533. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7534. bnx2x_cl45_write(bp, phy,
  7535. MDIO_PMA_DEVAD,
  7536. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7537. bnx2x_cl45_write(bp, phy,
  7538. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7539. 0);
  7540. /* Arm LASI for link and Tx fault. */
  7541. bnx2x_cl45_write(bp, phy,
  7542. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7543. } else {
  7544. /* Force 1Gbps using autoneg with 1G advertisement */
  7545. /* Allow CL37 through CL73 */
  7546. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7547. bnx2x_cl45_write(bp, phy,
  7548. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7549. /* Enable Full-Duplex advertisement on CL37 */
  7550. bnx2x_cl45_write(bp, phy,
  7551. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7552. /* Enable CL37 AN */
  7553. bnx2x_cl45_write(bp, phy,
  7554. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7555. /* 1G support */
  7556. bnx2x_cl45_write(bp, phy,
  7557. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7558. /* Enable clause 73 AN */
  7559. bnx2x_cl45_write(bp, phy,
  7560. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7561. bnx2x_cl45_write(bp, phy,
  7562. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7563. 0x0400);
  7564. bnx2x_cl45_write(bp, phy,
  7565. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7566. 0x0004);
  7567. }
  7568. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7569. /*
  7570. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7571. * power mode, if TX Laser is disabled
  7572. */
  7573. tx_en_mode = REG_RD(bp, params->shmem_base +
  7574. offsetof(struct shmem_region,
  7575. dev_info.port_hw_config[params->port].sfp_ctrl))
  7576. & PORT_HW_CFG_TX_LASER_MASK;
  7577. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7578. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7579. bnx2x_cl45_read(bp, phy,
  7580. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7581. tmp1 |= 0x1;
  7582. bnx2x_cl45_write(bp, phy,
  7583. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7584. }
  7585. return 0;
  7586. }
  7587. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7588. struct link_params *params,
  7589. struct link_vars *vars)
  7590. {
  7591. return bnx2x_8706_8726_read_status(phy, params, vars);
  7592. }
  7593. /******************************************************************/
  7594. /* BCM8726 PHY SECTION */
  7595. /******************************************************************/
  7596. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7597. struct link_params *params)
  7598. {
  7599. struct bnx2x *bp = params->bp;
  7600. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7601. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7602. }
  7603. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7604. struct link_params *params)
  7605. {
  7606. struct bnx2x *bp = params->bp;
  7607. /* Need to wait 100ms after reset */
  7608. msleep(100);
  7609. /* Micro controller re-boot */
  7610. bnx2x_cl45_write(bp, phy,
  7611. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7612. /* Set soft reset */
  7613. bnx2x_cl45_write(bp, phy,
  7614. MDIO_PMA_DEVAD,
  7615. MDIO_PMA_REG_GEN_CTRL,
  7616. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7617. bnx2x_cl45_write(bp, phy,
  7618. MDIO_PMA_DEVAD,
  7619. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7620. bnx2x_cl45_write(bp, phy,
  7621. MDIO_PMA_DEVAD,
  7622. MDIO_PMA_REG_GEN_CTRL,
  7623. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7624. /* wait for 150ms for microcode load */
  7625. msleep(150);
  7626. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7627. bnx2x_cl45_write(bp, phy,
  7628. MDIO_PMA_DEVAD,
  7629. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7630. msleep(200);
  7631. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7632. }
  7633. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7634. struct link_params *params,
  7635. struct link_vars *vars)
  7636. {
  7637. struct bnx2x *bp = params->bp;
  7638. u16 val1;
  7639. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7640. if (link_up) {
  7641. bnx2x_cl45_read(bp, phy,
  7642. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7643. &val1);
  7644. if (val1 & (1<<15)) {
  7645. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7646. link_up = 0;
  7647. vars->line_speed = 0;
  7648. }
  7649. }
  7650. return link_up;
  7651. }
  7652. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7653. struct link_params *params,
  7654. struct link_vars *vars)
  7655. {
  7656. struct bnx2x *bp = params->bp;
  7657. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7658. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7659. bnx2x_wait_reset_complete(bp, phy, params);
  7660. bnx2x_8726_external_rom_boot(phy, params);
  7661. /*
  7662. * Need to call module detected on initialization since the module
  7663. * detection triggered by actual module insertion might occur before
  7664. * driver is loaded, and when driver is loaded, it reset all
  7665. * registers, including the transmitter
  7666. */
  7667. bnx2x_sfp_module_detection(phy, params);
  7668. if (phy->req_line_speed == SPEED_1000) {
  7669. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7670. bnx2x_cl45_write(bp, phy,
  7671. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7672. bnx2x_cl45_write(bp, phy,
  7673. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7674. bnx2x_cl45_write(bp, phy,
  7675. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7676. bnx2x_cl45_write(bp, phy,
  7677. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7678. 0x400);
  7679. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7680. (phy->speed_cap_mask &
  7681. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7682. ((phy->speed_cap_mask &
  7683. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7684. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7685. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7686. /* Set Flow control */
  7687. bnx2x_ext_phy_set_pause(params, phy, vars);
  7688. bnx2x_cl45_write(bp, phy,
  7689. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7690. bnx2x_cl45_write(bp, phy,
  7691. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7692. bnx2x_cl45_write(bp, phy,
  7693. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7698. /*
  7699. * Enable RX-ALARM control to receive interrupt for 1G speed
  7700. * change
  7701. */
  7702. bnx2x_cl45_write(bp, phy,
  7703. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7704. bnx2x_cl45_write(bp, phy,
  7705. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7706. 0x400);
  7707. } else { /* Default 10G. Set only LASI control */
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7710. }
  7711. /* Set TX PreEmphasis if needed */
  7712. if ((params->feature_config_flags &
  7713. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7714. DP(NETIF_MSG_LINK,
  7715. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7716. phy->tx_preemphasis[0],
  7717. phy->tx_preemphasis[1]);
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_PMA_DEVAD,
  7720. MDIO_PMA_REG_8726_TX_CTRL1,
  7721. phy->tx_preemphasis[0]);
  7722. bnx2x_cl45_write(bp, phy,
  7723. MDIO_PMA_DEVAD,
  7724. MDIO_PMA_REG_8726_TX_CTRL2,
  7725. phy->tx_preemphasis[1]);
  7726. }
  7727. return 0;
  7728. }
  7729. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7730. struct link_params *params)
  7731. {
  7732. struct bnx2x *bp = params->bp;
  7733. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7734. /* Set serial boot control for external load */
  7735. bnx2x_cl45_write(bp, phy,
  7736. MDIO_PMA_DEVAD,
  7737. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7738. }
  7739. /******************************************************************/
  7740. /* BCM8727 PHY SECTION */
  7741. /******************************************************************/
  7742. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7743. struct link_params *params, u8 mode)
  7744. {
  7745. struct bnx2x *bp = params->bp;
  7746. u16 led_mode_bitmask = 0;
  7747. u16 gpio_pins_bitmask = 0;
  7748. u16 val;
  7749. /* Only NOC flavor requires to set the LED specifically */
  7750. if (!(phy->flags & FLAGS_NOC))
  7751. return;
  7752. switch (mode) {
  7753. case LED_MODE_FRONT_PANEL_OFF:
  7754. case LED_MODE_OFF:
  7755. led_mode_bitmask = 0;
  7756. gpio_pins_bitmask = 0x03;
  7757. break;
  7758. case LED_MODE_ON:
  7759. led_mode_bitmask = 0;
  7760. gpio_pins_bitmask = 0x02;
  7761. break;
  7762. case LED_MODE_OPER:
  7763. led_mode_bitmask = 0x60;
  7764. gpio_pins_bitmask = 0x11;
  7765. break;
  7766. }
  7767. bnx2x_cl45_read(bp, phy,
  7768. MDIO_PMA_DEVAD,
  7769. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7770. &val);
  7771. val &= 0xff8f;
  7772. val |= led_mode_bitmask;
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD,
  7775. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7776. val);
  7777. bnx2x_cl45_read(bp, phy,
  7778. MDIO_PMA_DEVAD,
  7779. MDIO_PMA_REG_8727_GPIO_CTRL,
  7780. &val);
  7781. val &= 0xffe0;
  7782. val |= gpio_pins_bitmask;
  7783. bnx2x_cl45_write(bp, phy,
  7784. MDIO_PMA_DEVAD,
  7785. MDIO_PMA_REG_8727_GPIO_CTRL,
  7786. val);
  7787. }
  7788. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7789. struct link_params *params) {
  7790. u32 swap_val, swap_override;
  7791. u8 port;
  7792. /*
  7793. * The PHY reset is controlled by GPIO 1. Fake the port number
  7794. * to cancel the swap done in set_gpio()
  7795. */
  7796. struct bnx2x *bp = params->bp;
  7797. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7798. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7799. port = (swap_val && swap_override) ^ 1;
  7800. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7801. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7802. }
  7803. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7804. struct link_params *params,
  7805. struct link_vars *vars)
  7806. {
  7807. u32 tx_en_mode;
  7808. u16 tmp1, val, mod_abs, tmp2;
  7809. u16 rx_alarm_ctrl_val;
  7810. u16 lasi_ctrl_val;
  7811. struct bnx2x *bp = params->bp;
  7812. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7813. bnx2x_wait_reset_complete(bp, phy, params);
  7814. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7815. /* Should be 0x6 to enable XS on Tx side. */
  7816. lasi_ctrl_val = 0x0006;
  7817. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7818. /* enable LASI */
  7819. bnx2x_cl45_write(bp, phy,
  7820. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7821. rx_alarm_ctrl_val);
  7822. bnx2x_cl45_write(bp, phy,
  7823. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7824. 0);
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7827. /*
  7828. * Initially configure MOD_ABS to interrupt when module is
  7829. * presence( bit 8)
  7830. */
  7831. bnx2x_cl45_read(bp, phy,
  7832. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7833. /*
  7834. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7835. * When the EDC is off it locks onto a reference clock and avoids
  7836. * becoming 'lost'
  7837. */
  7838. mod_abs &= ~(1<<8);
  7839. if (!(phy->flags & FLAGS_NOC))
  7840. mod_abs &= ~(1<<9);
  7841. bnx2x_cl45_write(bp, phy,
  7842. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7843. /* Enable/Disable PHY transmitter output */
  7844. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7845. /* Make MOD_ABS give interrupt on change */
  7846. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7847. &val);
  7848. val |= (1<<12);
  7849. if (phy->flags & FLAGS_NOC)
  7850. val |= (3<<5);
  7851. /*
  7852. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7853. * status which reflect SFP+ module over-current
  7854. */
  7855. if (!(phy->flags & FLAGS_NOC))
  7856. val &= 0xff8f; /* Reset bits 4-6 */
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7859. bnx2x_8727_power_module(bp, phy, 1);
  7860. bnx2x_cl45_read(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7862. bnx2x_cl45_read(bp, phy,
  7863. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7864. /* Set option 1G speed */
  7865. if (phy->req_line_speed == SPEED_1000) {
  7866. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7867. bnx2x_cl45_write(bp, phy,
  7868. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7869. bnx2x_cl45_write(bp, phy,
  7870. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7871. bnx2x_cl45_read(bp, phy,
  7872. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7873. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7874. /*
  7875. * Power down the XAUI until link is up in case of dual-media
  7876. * and 1G
  7877. */
  7878. if (DUAL_MEDIA(params)) {
  7879. bnx2x_cl45_read(bp, phy,
  7880. MDIO_PMA_DEVAD,
  7881. MDIO_PMA_REG_8727_PCS_GP, &val);
  7882. val |= (3<<10);
  7883. bnx2x_cl45_write(bp, phy,
  7884. MDIO_PMA_DEVAD,
  7885. MDIO_PMA_REG_8727_PCS_GP, val);
  7886. }
  7887. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7888. ((phy->speed_cap_mask &
  7889. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7890. ((phy->speed_cap_mask &
  7891. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7892. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7893. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7894. bnx2x_cl45_write(bp, phy,
  7895. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7898. } else {
  7899. /*
  7900. * Since the 8727 has only single reset pin, need to set the 10G
  7901. * registers although it is default
  7902. */
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7905. 0x0020);
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7908. bnx2x_cl45_write(bp, phy,
  7909. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7910. bnx2x_cl45_write(bp, phy,
  7911. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7912. 0x0008);
  7913. }
  7914. /*
  7915. * Set 2-wire transfer rate of SFP+ module EEPROM
  7916. * to 100Khz since some DACs(direct attached cables) do
  7917. * not work at 400Khz.
  7918. */
  7919. bnx2x_cl45_write(bp, phy,
  7920. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7921. 0xa001);
  7922. /* Set TX PreEmphasis if needed */
  7923. if ((params->feature_config_flags &
  7924. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7925. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7926. phy->tx_preemphasis[0],
  7927. phy->tx_preemphasis[1]);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7930. phy->tx_preemphasis[0]);
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7933. phy->tx_preemphasis[1]);
  7934. }
  7935. /*
  7936. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7937. * power mode, if TX Laser is disabled
  7938. */
  7939. tx_en_mode = REG_RD(bp, params->shmem_base +
  7940. offsetof(struct shmem_region,
  7941. dev_info.port_hw_config[params->port].sfp_ctrl))
  7942. & PORT_HW_CFG_TX_LASER_MASK;
  7943. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7944. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7945. bnx2x_cl45_read(bp, phy,
  7946. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7947. tmp2 |= 0x1000;
  7948. tmp2 &= 0xFFEF;
  7949. bnx2x_cl45_write(bp, phy,
  7950. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7951. }
  7952. return 0;
  7953. }
  7954. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7955. struct link_params *params)
  7956. {
  7957. struct bnx2x *bp = params->bp;
  7958. u16 mod_abs, rx_alarm_status;
  7959. u32 val = REG_RD(bp, params->shmem_base +
  7960. offsetof(struct shmem_region, dev_info.
  7961. port_feature_config[params->port].
  7962. config));
  7963. bnx2x_cl45_read(bp, phy,
  7964. MDIO_PMA_DEVAD,
  7965. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7966. if (mod_abs & (1<<8)) {
  7967. /* Module is absent */
  7968. DP(NETIF_MSG_LINK,
  7969. "MOD_ABS indication show module is absent\n");
  7970. phy->media_type = ETH_PHY_NOT_PRESENT;
  7971. /*
  7972. * 1. Set mod_abs to detect next module
  7973. * presence event
  7974. * 2. Set EDC off by setting OPTXLOS signal input to low
  7975. * (bit 9).
  7976. * When the EDC is off it locks onto a reference clock and
  7977. * avoids becoming 'lost'.
  7978. */
  7979. mod_abs &= ~(1<<8);
  7980. if (!(phy->flags & FLAGS_NOC))
  7981. mod_abs &= ~(1<<9);
  7982. bnx2x_cl45_write(bp, phy,
  7983. MDIO_PMA_DEVAD,
  7984. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7985. /*
  7986. * Clear RX alarm since it stays up as long as
  7987. * the mod_abs wasn't changed
  7988. */
  7989. bnx2x_cl45_read(bp, phy,
  7990. MDIO_PMA_DEVAD,
  7991. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7992. } else {
  7993. /* Module is present */
  7994. DP(NETIF_MSG_LINK,
  7995. "MOD_ABS indication show module is present\n");
  7996. /*
  7997. * First disable transmitter, and if the module is ok, the
  7998. * module_detection will enable it
  7999. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8000. * 2. Restore the default polarity of the OPRXLOS signal and
  8001. * this signal will then correctly indicate the presence or
  8002. * absence of the Rx signal. (bit 9)
  8003. */
  8004. mod_abs |= (1<<8);
  8005. if (!(phy->flags & FLAGS_NOC))
  8006. mod_abs |= (1<<9);
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_PMA_DEVAD,
  8009. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8010. /*
  8011. * Clear RX alarm since it stays up as long as the mod_abs
  8012. * wasn't changed. This is need to be done before calling the
  8013. * module detection, otherwise it will clear* the link update
  8014. * alarm
  8015. */
  8016. bnx2x_cl45_read(bp, phy,
  8017. MDIO_PMA_DEVAD,
  8018. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8019. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8020. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8021. bnx2x_sfp_set_transmitter(params, phy, 0);
  8022. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8023. bnx2x_sfp_module_detection(phy, params);
  8024. else
  8025. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8026. }
  8027. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8028. rx_alarm_status);
  8029. /* No need to check link status in case of module plugged in/out */
  8030. }
  8031. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8032. struct link_params *params,
  8033. struct link_vars *vars)
  8034. {
  8035. struct bnx2x *bp = params->bp;
  8036. u8 link_up = 0, oc_port = params->port;
  8037. u16 link_status = 0;
  8038. u16 rx_alarm_status, lasi_ctrl, val1;
  8039. /* If PHY is not initialized, do not check link status */
  8040. bnx2x_cl45_read(bp, phy,
  8041. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8042. &lasi_ctrl);
  8043. if (!lasi_ctrl)
  8044. return 0;
  8045. /* Check the LASI on Rx */
  8046. bnx2x_cl45_read(bp, phy,
  8047. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8048. &rx_alarm_status);
  8049. vars->line_speed = 0;
  8050. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8051. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8052. MDIO_PMA_LASI_TXCTRL);
  8053. bnx2x_cl45_read(bp, phy,
  8054. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8055. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8056. /* Clear MSG-OUT */
  8057. bnx2x_cl45_read(bp, phy,
  8058. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8059. /*
  8060. * If a module is present and there is need to check
  8061. * for over current
  8062. */
  8063. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8064. /* Check over-current using 8727 GPIO0 input*/
  8065. bnx2x_cl45_read(bp, phy,
  8066. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8067. &val1);
  8068. if ((val1 & (1<<8)) == 0) {
  8069. if (!CHIP_IS_E1x(bp))
  8070. oc_port = BP_PATH(bp) + (params->port << 1);
  8071. DP(NETIF_MSG_LINK,
  8072. "8727 Power fault has been detected on port %d\n",
  8073. oc_port);
  8074. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  8075. " been detected and the power to "
  8076. "that SFP+ module has been removed"
  8077. " to prevent failure of the card."
  8078. " Please remove the SFP+ module and"
  8079. " restart the system to clear this"
  8080. " error.\n",
  8081. oc_port);
  8082. /* Disable all RX_ALARMs except for mod_abs */
  8083. bnx2x_cl45_write(bp, phy,
  8084. MDIO_PMA_DEVAD,
  8085. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8086. bnx2x_cl45_read(bp, phy,
  8087. MDIO_PMA_DEVAD,
  8088. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8089. /* Wait for module_absent_event */
  8090. val1 |= (1<<8);
  8091. bnx2x_cl45_write(bp, phy,
  8092. MDIO_PMA_DEVAD,
  8093. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8094. /* Clear RX alarm */
  8095. bnx2x_cl45_read(bp, phy,
  8096. MDIO_PMA_DEVAD,
  8097. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8098. return 0;
  8099. }
  8100. } /* Over current check */
  8101. /* When module absent bit is set, check module */
  8102. if (rx_alarm_status & (1<<5)) {
  8103. bnx2x_8727_handle_mod_abs(phy, params);
  8104. /* Enable all mod_abs and link detection bits */
  8105. bnx2x_cl45_write(bp, phy,
  8106. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8107. ((1<<5) | (1<<2)));
  8108. }
  8109. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8110. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8111. /* If transmitter is disabled, ignore false link up indication */
  8112. bnx2x_cl45_read(bp, phy,
  8113. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8114. if (val1 & (1<<15)) {
  8115. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8116. return 0;
  8117. }
  8118. bnx2x_cl45_read(bp, phy,
  8119. MDIO_PMA_DEVAD,
  8120. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8121. /*
  8122. * Bits 0..2 --> speed detected,
  8123. * Bits 13..15--> link is down
  8124. */
  8125. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8126. link_up = 1;
  8127. vars->line_speed = SPEED_10000;
  8128. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8129. params->port);
  8130. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8131. link_up = 1;
  8132. vars->line_speed = SPEED_1000;
  8133. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8134. params->port);
  8135. } else {
  8136. link_up = 0;
  8137. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8138. params->port);
  8139. }
  8140. /* Capture 10G link fault. */
  8141. if (vars->line_speed == SPEED_10000) {
  8142. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8143. MDIO_PMA_LASI_TXSTAT, &val1);
  8144. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8145. MDIO_PMA_LASI_TXSTAT, &val1);
  8146. if (val1 & (1<<0)) {
  8147. vars->fault_detected = 1;
  8148. }
  8149. }
  8150. if (link_up) {
  8151. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8152. vars->duplex = DUPLEX_FULL;
  8153. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8154. }
  8155. if ((DUAL_MEDIA(params)) &&
  8156. (phy->req_line_speed == SPEED_1000)) {
  8157. bnx2x_cl45_read(bp, phy,
  8158. MDIO_PMA_DEVAD,
  8159. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8160. /*
  8161. * In case of dual-media board and 1G, power up the XAUI side,
  8162. * otherwise power it down. For 10G it is done automatically
  8163. */
  8164. if (link_up)
  8165. val1 &= ~(3<<10);
  8166. else
  8167. val1 |= (3<<10);
  8168. bnx2x_cl45_write(bp, phy,
  8169. MDIO_PMA_DEVAD,
  8170. MDIO_PMA_REG_8727_PCS_GP, val1);
  8171. }
  8172. return link_up;
  8173. }
  8174. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8175. struct link_params *params)
  8176. {
  8177. struct bnx2x *bp = params->bp;
  8178. /* Enable/Disable PHY transmitter output */
  8179. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8180. /* Disable Transmitter */
  8181. bnx2x_sfp_set_transmitter(params, phy, 0);
  8182. /* Clear LASI */
  8183. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8184. }
  8185. /******************************************************************/
  8186. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8187. /******************************************************************/
  8188. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8189. struct link_params *params)
  8190. {
  8191. u16 val, fw_ver1, fw_ver2, cnt;
  8192. u8 port;
  8193. struct bnx2x *bp = params->bp;
  8194. port = params->port;
  8195. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8196. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8197. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8198. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8199. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8200. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8201. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8202. for (cnt = 0; cnt < 100; cnt++) {
  8203. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8204. if (val & 1)
  8205. break;
  8206. udelay(5);
  8207. }
  8208. if (cnt == 100) {
  8209. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8210. bnx2x_save_spirom_version(bp, port, 0,
  8211. phy->ver_addr);
  8212. return;
  8213. }
  8214. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8215. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8216. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8217. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8218. for (cnt = 0; cnt < 100; cnt++) {
  8219. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8220. if (val & 1)
  8221. break;
  8222. udelay(5);
  8223. }
  8224. if (cnt == 100) {
  8225. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8226. bnx2x_save_spirom_version(bp, port, 0,
  8227. phy->ver_addr);
  8228. return;
  8229. }
  8230. /* lower 16 bits of the register SPI_FW_STATUS */
  8231. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8232. /* upper 16 bits of register SPI_FW_STATUS */
  8233. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8234. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8235. phy->ver_addr);
  8236. }
  8237. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8238. struct bnx2x_phy *phy)
  8239. {
  8240. u16 val;
  8241. /* PHYC_CTL_LED_CTL */
  8242. bnx2x_cl45_read(bp, phy,
  8243. MDIO_PMA_DEVAD,
  8244. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8245. val &= 0xFE00;
  8246. val |= 0x0092;
  8247. bnx2x_cl45_write(bp, phy,
  8248. MDIO_PMA_DEVAD,
  8249. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8250. bnx2x_cl45_write(bp, phy,
  8251. MDIO_PMA_DEVAD,
  8252. MDIO_PMA_REG_8481_LED1_MASK,
  8253. 0x80);
  8254. bnx2x_cl45_write(bp, phy,
  8255. MDIO_PMA_DEVAD,
  8256. MDIO_PMA_REG_8481_LED2_MASK,
  8257. 0x18);
  8258. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8259. bnx2x_cl45_write(bp, phy,
  8260. MDIO_PMA_DEVAD,
  8261. MDIO_PMA_REG_8481_LED3_MASK,
  8262. 0x0006);
  8263. /* Select the closest activity blink rate to that in 10/100/1000 */
  8264. bnx2x_cl45_write(bp, phy,
  8265. MDIO_PMA_DEVAD,
  8266. MDIO_PMA_REG_8481_LED3_BLINK,
  8267. 0);
  8268. bnx2x_cl45_read(bp, phy,
  8269. MDIO_PMA_DEVAD,
  8270. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8271. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8272. bnx2x_cl45_write(bp, phy,
  8273. MDIO_PMA_DEVAD,
  8274. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8275. /* 'Interrupt Mask' */
  8276. bnx2x_cl45_write(bp, phy,
  8277. MDIO_AN_DEVAD,
  8278. 0xFFFB, 0xFFFD);
  8279. }
  8280. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8281. struct link_params *params,
  8282. struct link_vars *vars)
  8283. {
  8284. struct bnx2x *bp = params->bp;
  8285. u16 autoneg_val, an_1000_val, an_10_100_val;
  8286. u16 tmp_req_line_speed;
  8287. tmp_req_line_speed = phy->req_line_speed;
  8288. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8289. if (phy->req_line_speed == SPEED_10000)
  8290. phy->req_line_speed = SPEED_AUTO_NEG;
  8291. /*
  8292. * This phy uses the NIG latch mechanism since link indication
  8293. * arrives through its LED4 and not via its LASI signal, so we
  8294. * get steady signal instead of clear on read
  8295. */
  8296. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8297. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8298. bnx2x_cl45_write(bp, phy,
  8299. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8300. bnx2x_848xx_set_led(bp, phy);
  8301. /* set 1000 speed advertisement */
  8302. bnx2x_cl45_read(bp, phy,
  8303. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8304. &an_1000_val);
  8305. bnx2x_ext_phy_set_pause(params, phy, vars);
  8306. bnx2x_cl45_read(bp, phy,
  8307. MDIO_AN_DEVAD,
  8308. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8309. &an_10_100_val);
  8310. bnx2x_cl45_read(bp, phy,
  8311. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8312. &autoneg_val);
  8313. /* Disable forced speed */
  8314. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8315. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8316. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8317. (phy->speed_cap_mask &
  8318. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8319. (phy->req_line_speed == SPEED_1000)) {
  8320. an_1000_val |= (1<<8);
  8321. autoneg_val |= (1<<9 | 1<<12);
  8322. if (phy->req_duplex == DUPLEX_FULL)
  8323. an_1000_val |= (1<<9);
  8324. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8325. } else
  8326. an_1000_val &= ~((1<<8) | (1<<9));
  8327. bnx2x_cl45_write(bp, phy,
  8328. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8329. an_1000_val);
  8330. /* set 100 speed advertisement */
  8331. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8332. (phy->speed_cap_mask &
  8333. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8334. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8335. (phy->supported &
  8336. (SUPPORTED_100baseT_Half |
  8337. SUPPORTED_100baseT_Full)))) {
  8338. an_10_100_val |= (1<<7);
  8339. /* Enable autoneg and restart autoneg for legacy speeds */
  8340. autoneg_val |= (1<<9 | 1<<12);
  8341. if (phy->req_duplex == DUPLEX_FULL)
  8342. an_10_100_val |= (1<<8);
  8343. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8344. }
  8345. /* set 10 speed advertisement */
  8346. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8347. (phy->speed_cap_mask &
  8348. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8349. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8350. (phy->supported &
  8351. (SUPPORTED_10baseT_Half |
  8352. SUPPORTED_10baseT_Full)))) {
  8353. an_10_100_val |= (1<<5);
  8354. autoneg_val |= (1<<9 | 1<<12);
  8355. if (phy->req_duplex == DUPLEX_FULL)
  8356. an_10_100_val |= (1<<6);
  8357. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8358. }
  8359. /* Only 10/100 are allowed to work in FORCE mode */
  8360. if ((phy->req_line_speed == SPEED_100) &&
  8361. (phy->supported &
  8362. (SUPPORTED_100baseT_Half |
  8363. SUPPORTED_100baseT_Full))) {
  8364. autoneg_val |= (1<<13);
  8365. /* Enabled AUTO-MDIX when autoneg is disabled */
  8366. bnx2x_cl45_write(bp, phy,
  8367. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8368. (1<<15 | 1<<9 | 7<<0));
  8369. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8370. }
  8371. if ((phy->req_line_speed == SPEED_10) &&
  8372. (phy->supported &
  8373. (SUPPORTED_10baseT_Half |
  8374. SUPPORTED_10baseT_Full))) {
  8375. /* Enabled AUTO-MDIX when autoneg is disabled */
  8376. bnx2x_cl45_write(bp, phy,
  8377. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8378. (1<<15 | 1<<9 | 7<<0));
  8379. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8380. }
  8381. bnx2x_cl45_write(bp, phy,
  8382. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8383. an_10_100_val);
  8384. if (phy->req_duplex == DUPLEX_FULL)
  8385. autoneg_val |= (1<<8);
  8386. /*
  8387. * Always write this if this is not 84833.
  8388. * For 84833, write it only when it's a forced speed.
  8389. */
  8390. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8391. ((autoneg_val & (1<<12)) == 0))
  8392. bnx2x_cl45_write(bp, phy,
  8393. MDIO_AN_DEVAD,
  8394. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8395. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8396. (phy->speed_cap_mask &
  8397. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8398. (phy->req_line_speed == SPEED_10000)) {
  8399. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8400. /* Restart autoneg for 10G*/
  8401. bnx2x_cl45_write(bp, phy,
  8402. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8403. 0x3200);
  8404. } else
  8405. bnx2x_cl45_write(bp, phy,
  8406. MDIO_AN_DEVAD,
  8407. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8408. 1);
  8409. /* Save spirom version */
  8410. bnx2x_save_848xx_spirom_version(phy, params);
  8411. phy->req_line_speed = tmp_req_line_speed;
  8412. return 0;
  8413. }
  8414. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8415. struct link_params *params,
  8416. struct link_vars *vars)
  8417. {
  8418. struct bnx2x *bp = params->bp;
  8419. /* Restore normal power mode*/
  8420. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8421. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8422. /* HW reset */
  8423. bnx2x_ext_phy_hw_reset(bp, params->port);
  8424. bnx2x_wait_reset_complete(bp, phy, params);
  8425. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8426. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8427. }
  8428. #define PHY84833_HDSHK_WAIT 300
  8429. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8430. struct link_params *params,
  8431. struct link_vars *vars)
  8432. {
  8433. u32 idx;
  8434. u32 pair_swap;
  8435. u16 val;
  8436. u16 data;
  8437. struct bnx2x *bp = params->bp;
  8438. /* Do pair swap */
  8439. /* Check for configuration. */
  8440. pair_swap = REG_RD(bp, params->shmem_base +
  8441. offsetof(struct shmem_region,
  8442. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8443. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8444. if (pair_swap == 0)
  8445. return 0;
  8446. data = (u16)pair_swap;
  8447. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8448. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8449. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8450. PHY84833_CMD_OPEN_OVERRIDE);
  8451. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8452. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8453. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8454. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8455. break;
  8456. msleep(1);
  8457. }
  8458. if (idx >= PHY84833_HDSHK_WAIT) {
  8459. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8460. return -EINVAL;
  8461. }
  8462. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8463. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8464. data);
  8465. /* Issue pair swap command */
  8466. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8467. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8468. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8469. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8470. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8471. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8472. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8473. (val == PHY84833_CMD_COMPLETE_ERROR))
  8474. break;
  8475. msleep(1);
  8476. }
  8477. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8478. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8479. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8480. return -EINVAL;
  8481. }
  8482. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8483. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8484. PHY84833_CMD_CLEAR_COMPLETE);
  8485. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8486. return 0;
  8487. }
  8488. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8489. u32 shmem_base_path[],
  8490. u32 chip_id)
  8491. {
  8492. u32 reset_pin[2];
  8493. u32 idx;
  8494. u8 reset_gpios;
  8495. if (CHIP_IS_E3(bp)) {
  8496. /* Assume that these will be GPIOs, not EPIOs. */
  8497. for (idx = 0; idx < 2; idx++) {
  8498. /* Map config param to register bit. */
  8499. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8500. offsetof(struct shmem_region,
  8501. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8502. reset_pin[idx] = (reset_pin[idx] &
  8503. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8504. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8505. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8506. reset_pin[idx] = (1 << reset_pin[idx]);
  8507. }
  8508. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8509. } else {
  8510. /* E2, look from diff place of shmem. */
  8511. for (idx = 0; idx < 2; idx++) {
  8512. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8513. offsetof(struct shmem_region,
  8514. dev_info.port_hw_config[0].default_cfg));
  8515. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8516. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8517. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8518. reset_pin[idx] = (1 << reset_pin[idx]);
  8519. }
  8520. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8521. }
  8522. return reset_gpios;
  8523. }
  8524. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8525. struct link_params *params)
  8526. {
  8527. struct bnx2x *bp = params->bp;
  8528. u8 reset_gpios;
  8529. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8530. offsetof(struct shmem2_region,
  8531. other_shmem_base_addr));
  8532. u32 shmem_base_path[2];
  8533. shmem_base_path[0] = params->shmem_base;
  8534. shmem_base_path[1] = other_shmem_base_addr;
  8535. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8536. params->chip_id);
  8537. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8538. udelay(10);
  8539. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8540. reset_gpios);
  8541. return 0;
  8542. }
  8543. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8544. u32 shmem_base_path[],
  8545. u32 chip_id)
  8546. {
  8547. u8 reset_gpios;
  8548. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8549. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8550. udelay(10);
  8551. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8552. msleep(800);
  8553. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8554. reset_gpios);
  8555. return 0;
  8556. }
  8557. #define PHY84833_CONSTANT_LATENCY 1193
  8558. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8559. struct link_params *params,
  8560. struct link_vars *vars)
  8561. {
  8562. struct bnx2x *bp = params->bp;
  8563. u8 port, initialize = 1;
  8564. u16 val;
  8565. u16 temp;
  8566. u32 actual_phy_selection, cms_enable, idx;
  8567. int rc = 0;
  8568. msleep(1);
  8569. if (!(CHIP_IS_E1(bp)))
  8570. port = BP_PATH(bp);
  8571. else
  8572. port = params->port;
  8573. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8574. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8575. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8576. port);
  8577. } else {
  8578. /* MDIO reset */
  8579. bnx2x_cl45_write(bp, phy,
  8580. MDIO_PMA_DEVAD,
  8581. MDIO_PMA_REG_CTRL, 0x8000);
  8582. /* Bring PHY out of super isolate mode */
  8583. bnx2x_cl45_read(bp, phy,
  8584. MDIO_CTL_DEVAD,
  8585. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8586. val &= ~MDIO_84833_SUPER_ISOLATE;
  8587. bnx2x_cl45_write(bp, phy,
  8588. MDIO_CTL_DEVAD,
  8589. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8590. }
  8591. bnx2x_wait_reset_complete(bp, phy, params);
  8592. /* Wait for GPHY to come out of reset */
  8593. msleep(50);
  8594. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8595. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8596. /*
  8597. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8598. */
  8599. temp = vars->line_speed;
  8600. vars->line_speed = SPEED_10000;
  8601. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8602. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8603. vars->line_speed = temp;
  8604. /* Set dual-media configuration according to configuration */
  8605. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8606. MDIO_CTL_REG_84823_MEDIA, &val);
  8607. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8608. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8609. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8610. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8611. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8612. if (CHIP_IS_E3(bp)) {
  8613. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8614. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8615. } else {
  8616. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8617. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8618. }
  8619. actual_phy_selection = bnx2x_phy_selection(params);
  8620. switch (actual_phy_selection) {
  8621. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8622. /* Do nothing. Essentially this is like the priority copper */
  8623. break;
  8624. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8625. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8626. break;
  8627. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8628. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8629. break;
  8630. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8631. /* Do nothing here. The first PHY won't be initialized at all */
  8632. break;
  8633. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8634. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8635. initialize = 0;
  8636. break;
  8637. }
  8638. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8639. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8640. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8641. MDIO_CTL_REG_84823_MEDIA, val);
  8642. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8643. params->multi_phy_config, val);
  8644. /* AutogrEEEn */
  8645. if (params->feature_config_flags &
  8646. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8647. /* Ensure that f/w is ready */
  8648. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8649. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8650. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8651. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8652. break;
  8653. usleep_range(1000, 1000);
  8654. }
  8655. if (idx >= PHY84833_HDSHK_WAIT) {
  8656. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8657. return -EINVAL;
  8658. }
  8659. /* Select EEE mode */
  8660. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8661. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8662. 0x2);
  8663. /* Set Idle and Latency */
  8664. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8665. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8666. PHY84833_CONSTANT_LATENCY + 1);
  8667. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8668. MDIO_84833_TOP_CFG_DATA3_REG,
  8669. PHY84833_CONSTANT_LATENCY + 1);
  8670. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8671. MDIO_84833_TOP_CFG_DATA4_REG,
  8672. PHY84833_CONSTANT_LATENCY);
  8673. /* Send EEE instruction to command register */
  8674. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8675. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8676. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8677. /* Ensure that the command has completed */
  8678. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8679. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8680. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8681. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8682. (val == PHY84833_CMD_COMPLETE_ERROR))
  8683. break;
  8684. usleep_range(1000, 1000);
  8685. }
  8686. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8687. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8688. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8689. return -EINVAL;
  8690. }
  8691. /* Reset command handler */
  8692. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8693. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8694. PHY84833_CMD_CLEAR_COMPLETE);
  8695. }
  8696. if (initialize)
  8697. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8698. else
  8699. bnx2x_save_848xx_spirom_version(phy, params);
  8700. /* 84833 PHY has a better feature and doesn't need to support this. */
  8701. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8702. cms_enable = REG_RD(bp, params->shmem_base +
  8703. offsetof(struct shmem_region,
  8704. dev_info.port_hw_config[params->port].default_cfg)) &
  8705. PORT_HW_CFG_ENABLE_CMS_MASK;
  8706. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8707. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8708. if (cms_enable)
  8709. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8710. else
  8711. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8712. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8713. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8714. }
  8715. return rc;
  8716. }
  8717. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8718. struct link_params *params,
  8719. struct link_vars *vars)
  8720. {
  8721. struct bnx2x *bp = params->bp;
  8722. u16 val, val1, val2;
  8723. u8 link_up = 0;
  8724. /* Check 10G-BaseT link status */
  8725. /* Check PMD signal ok */
  8726. bnx2x_cl45_read(bp, phy,
  8727. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8728. bnx2x_cl45_read(bp, phy,
  8729. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8730. &val2);
  8731. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8732. /* Check link 10G */
  8733. if (val2 & (1<<11)) {
  8734. vars->line_speed = SPEED_10000;
  8735. vars->duplex = DUPLEX_FULL;
  8736. link_up = 1;
  8737. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8738. } else { /* Check Legacy speed link */
  8739. u16 legacy_status, legacy_speed;
  8740. /* Enable expansion register 0x42 (Operation mode status) */
  8741. bnx2x_cl45_write(bp, phy,
  8742. MDIO_AN_DEVAD,
  8743. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8744. /* Get legacy speed operation status */
  8745. bnx2x_cl45_read(bp, phy,
  8746. MDIO_AN_DEVAD,
  8747. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8748. &legacy_status);
  8749. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8750. legacy_status);
  8751. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8752. if (link_up) {
  8753. legacy_speed = (legacy_status & (3<<9));
  8754. if (legacy_speed == (0<<9))
  8755. vars->line_speed = SPEED_10;
  8756. else if (legacy_speed == (1<<9))
  8757. vars->line_speed = SPEED_100;
  8758. else if (legacy_speed == (2<<9))
  8759. vars->line_speed = SPEED_1000;
  8760. else /* Should not happen */
  8761. vars->line_speed = 0;
  8762. if (legacy_status & (1<<8))
  8763. vars->duplex = DUPLEX_FULL;
  8764. else
  8765. vars->duplex = DUPLEX_HALF;
  8766. DP(NETIF_MSG_LINK,
  8767. "Link is up in %dMbps, is_duplex_full= %d\n",
  8768. vars->line_speed,
  8769. (vars->duplex == DUPLEX_FULL));
  8770. /* Check legacy speed AN resolution */
  8771. bnx2x_cl45_read(bp, phy,
  8772. MDIO_AN_DEVAD,
  8773. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8774. &val);
  8775. if (val & (1<<5))
  8776. vars->link_status |=
  8777. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8778. bnx2x_cl45_read(bp, phy,
  8779. MDIO_AN_DEVAD,
  8780. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8781. &val);
  8782. if ((val & (1<<0)) == 0)
  8783. vars->link_status |=
  8784. LINK_STATUS_PARALLEL_DETECTION_USED;
  8785. }
  8786. }
  8787. if (link_up) {
  8788. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8789. vars->line_speed);
  8790. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8791. }
  8792. return link_up;
  8793. }
  8794. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8795. {
  8796. int status = 0;
  8797. u32 spirom_ver;
  8798. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8799. status = bnx2x_format_ver(spirom_ver, str, len);
  8800. return status;
  8801. }
  8802. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8803. struct link_params *params)
  8804. {
  8805. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8806. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8807. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8808. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8809. }
  8810. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8811. struct link_params *params)
  8812. {
  8813. bnx2x_cl45_write(params->bp, phy,
  8814. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8815. bnx2x_cl45_write(params->bp, phy,
  8816. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8817. }
  8818. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8819. struct link_params *params)
  8820. {
  8821. struct bnx2x *bp = params->bp;
  8822. u8 port;
  8823. u16 val16;
  8824. if (!(CHIP_IS_E1(bp)))
  8825. port = BP_PATH(bp);
  8826. else
  8827. port = params->port;
  8828. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8829. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8830. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8831. port);
  8832. } else {
  8833. bnx2x_cl45_read(bp, phy,
  8834. MDIO_CTL_DEVAD,
  8835. 0x400f, &val16);
  8836. bnx2x_cl45_write(bp, phy,
  8837. MDIO_PMA_DEVAD,
  8838. MDIO_PMA_REG_CTRL, 0x800);
  8839. }
  8840. }
  8841. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8842. struct link_params *params, u8 mode)
  8843. {
  8844. struct bnx2x *bp = params->bp;
  8845. u16 val;
  8846. u8 port;
  8847. if (!(CHIP_IS_E1(bp)))
  8848. port = BP_PATH(bp);
  8849. else
  8850. port = params->port;
  8851. switch (mode) {
  8852. case LED_MODE_OFF:
  8853. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8854. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8855. SHARED_HW_CFG_LED_EXTPHY1) {
  8856. /* Set LED masks */
  8857. bnx2x_cl45_write(bp, phy,
  8858. MDIO_PMA_DEVAD,
  8859. MDIO_PMA_REG_8481_LED1_MASK,
  8860. 0x0);
  8861. bnx2x_cl45_write(bp, phy,
  8862. MDIO_PMA_DEVAD,
  8863. MDIO_PMA_REG_8481_LED2_MASK,
  8864. 0x0);
  8865. bnx2x_cl45_write(bp, phy,
  8866. MDIO_PMA_DEVAD,
  8867. MDIO_PMA_REG_8481_LED3_MASK,
  8868. 0x0);
  8869. bnx2x_cl45_write(bp, phy,
  8870. MDIO_PMA_DEVAD,
  8871. MDIO_PMA_REG_8481_LED5_MASK,
  8872. 0x0);
  8873. } else {
  8874. bnx2x_cl45_write(bp, phy,
  8875. MDIO_PMA_DEVAD,
  8876. MDIO_PMA_REG_8481_LED1_MASK,
  8877. 0x0);
  8878. }
  8879. break;
  8880. case LED_MODE_FRONT_PANEL_OFF:
  8881. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8882. port);
  8883. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8884. SHARED_HW_CFG_LED_EXTPHY1) {
  8885. /* Set LED masks */
  8886. bnx2x_cl45_write(bp, phy,
  8887. MDIO_PMA_DEVAD,
  8888. MDIO_PMA_REG_8481_LED1_MASK,
  8889. 0x0);
  8890. bnx2x_cl45_write(bp, phy,
  8891. MDIO_PMA_DEVAD,
  8892. MDIO_PMA_REG_8481_LED2_MASK,
  8893. 0x0);
  8894. bnx2x_cl45_write(bp, phy,
  8895. MDIO_PMA_DEVAD,
  8896. MDIO_PMA_REG_8481_LED3_MASK,
  8897. 0x0);
  8898. bnx2x_cl45_write(bp, phy,
  8899. MDIO_PMA_DEVAD,
  8900. MDIO_PMA_REG_8481_LED5_MASK,
  8901. 0x20);
  8902. } else {
  8903. bnx2x_cl45_write(bp, phy,
  8904. MDIO_PMA_DEVAD,
  8905. MDIO_PMA_REG_8481_LED1_MASK,
  8906. 0x0);
  8907. }
  8908. break;
  8909. case LED_MODE_ON:
  8910. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8911. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8912. SHARED_HW_CFG_LED_EXTPHY1) {
  8913. /* Set control reg */
  8914. bnx2x_cl45_read(bp, phy,
  8915. MDIO_PMA_DEVAD,
  8916. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8917. &val);
  8918. val &= 0x8000;
  8919. val |= 0x2492;
  8920. bnx2x_cl45_write(bp, phy,
  8921. MDIO_PMA_DEVAD,
  8922. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8923. val);
  8924. /* Set LED masks */
  8925. bnx2x_cl45_write(bp, phy,
  8926. MDIO_PMA_DEVAD,
  8927. MDIO_PMA_REG_8481_LED1_MASK,
  8928. 0x0);
  8929. bnx2x_cl45_write(bp, phy,
  8930. MDIO_PMA_DEVAD,
  8931. MDIO_PMA_REG_8481_LED2_MASK,
  8932. 0x20);
  8933. bnx2x_cl45_write(bp, phy,
  8934. MDIO_PMA_DEVAD,
  8935. MDIO_PMA_REG_8481_LED3_MASK,
  8936. 0x20);
  8937. bnx2x_cl45_write(bp, phy,
  8938. MDIO_PMA_DEVAD,
  8939. MDIO_PMA_REG_8481_LED5_MASK,
  8940. 0x0);
  8941. } else {
  8942. bnx2x_cl45_write(bp, phy,
  8943. MDIO_PMA_DEVAD,
  8944. MDIO_PMA_REG_8481_LED1_MASK,
  8945. 0x20);
  8946. }
  8947. break;
  8948. case LED_MODE_OPER:
  8949. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8950. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8951. SHARED_HW_CFG_LED_EXTPHY1) {
  8952. /* Set control reg */
  8953. bnx2x_cl45_read(bp, phy,
  8954. MDIO_PMA_DEVAD,
  8955. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8956. &val);
  8957. if (!((val &
  8958. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8959. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8960. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8961. bnx2x_cl45_write(bp, phy,
  8962. MDIO_PMA_DEVAD,
  8963. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8964. 0xa492);
  8965. }
  8966. /* Set LED masks */
  8967. bnx2x_cl45_write(bp, phy,
  8968. MDIO_PMA_DEVAD,
  8969. MDIO_PMA_REG_8481_LED1_MASK,
  8970. 0x10);
  8971. bnx2x_cl45_write(bp, phy,
  8972. MDIO_PMA_DEVAD,
  8973. MDIO_PMA_REG_8481_LED2_MASK,
  8974. 0x80);
  8975. bnx2x_cl45_write(bp, phy,
  8976. MDIO_PMA_DEVAD,
  8977. MDIO_PMA_REG_8481_LED3_MASK,
  8978. 0x98);
  8979. bnx2x_cl45_write(bp, phy,
  8980. MDIO_PMA_DEVAD,
  8981. MDIO_PMA_REG_8481_LED5_MASK,
  8982. 0x40);
  8983. } else {
  8984. bnx2x_cl45_write(bp, phy,
  8985. MDIO_PMA_DEVAD,
  8986. MDIO_PMA_REG_8481_LED1_MASK,
  8987. 0x80);
  8988. /* Tell LED3 to blink on source */
  8989. bnx2x_cl45_read(bp, phy,
  8990. MDIO_PMA_DEVAD,
  8991. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8992. &val);
  8993. val &= ~(7<<6);
  8994. val |= (1<<6); /* A83B[8:6]= 1 */
  8995. bnx2x_cl45_write(bp, phy,
  8996. MDIO_PMA_DEVAD,
  8997. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8998. val);
  8999. }
  9000. break;
  9001. }
  9002. /*
  9003. * This is a workaround for E3+84833 until autoneg
  9004. * restart is fixed in f/w
  9005. */
  9006. if (CHIP_IS_E3(bp)) {
  9007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9008. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9009. }
  9010. }
  9011. /******************************************************************/
  9012. /* 54618SE PHY SECTION */
  9013. /******************************************************************/
  9014. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9015. struct link_params *params,
  9016. struct link_vars *vars)
  9017. {
  9018. struct bnx2x *bp = params->bp;
  9019. u8 port;
  9020. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9021. u32 cfg_pin;
  9022. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9023. usleep_range(1000, 1000);
  9024. /* This works with E3 only, no need to check the chip
  9025. before determining the port. */
  9026. port = params->port;
  9027. cfg_pin = (REG_RD(bp, params->shmem_base +
  9028. offsetof(struct shmem_region,
  9029. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9030. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9031. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9032. /* Drive pin high to bring the GPHY out of reset. */
  9033. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9034. /* wait for GPHY to reset */
  9035. msleep(50);
  9036. /* reset phy */
  9037. bnx2x_cl22_write(bp, phy,
  9038. MDIO_PMA_REG_CTRL, 0x8000);
  9039. bnx2x_wait_reset_complete(bp, phy, params);
  9040. /*wait for GPHY to reset */
  9041. msleep(50);
  9042. /* Configure LED4: set to INTR (0x6). */
  9043. /* Accessing shadow register 0xe. */
  9044. bnx2x_cl22_write(bp, phy,
  9045. MDIO_REG_GPHY_SHADOW,
  9046. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9047. bnx2x_cl22_read(bp, phy,
  9048. MDIO_REG_GPHY_SHADOW,
  9049. &temp);
  9050. temp &= ~(0xf << 4);
  9051. temp |= (0x6 << 4);
  9052. bnx2x_cl22_write(bp, phy,
  9053. MDIO_REG_GPHY_SHADOW,
  9054. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9055. /* Configure INTR based on link status change. */
  9056. bnx2x_cl22_write(bp, phy,
  9057. MDIO_REG_INTR_MASK,
  9058. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9059. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9060. bnx2x_cl22_write(bp, phy,
  9061. MDIO_REG_GPHY_SHADOW,
  9062. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9063. bnx2x_cl22_read(bp, phy,
  9064. MDIO_REG_GPHY_SHADOW,
  9065. &temp);
  9066. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9067. bnx2x_cl22_write(bp, phy,
  9068. MDIO_REG_GPHY_SHADOW,
  9069. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9070. /* Set up fc */
  9071. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9072. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9073. fc_val = 0;
  9074. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9075. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9076. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9077. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9078. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9079. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9080. /* read all advertisement */
  9081. bnx2x_cl22_read(bp, phy,
  9082. 0x09,
  9083. &an_1000_val);
  9084. bnx2x_cl22_read(bp, phy,
  9085. 0x04,
  9086. &an_10_100_val);
  9087. bnx2x_cl22_read(bp, phy,
  9088. MDIO_PMA_REG_CTRL,
  9089. &autoneg_val);
  9090. /* Disable forced speed */
  9091. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9092. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9093. (1<<11));
  9094. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9095. (phy->speed_cap_mask &
  9096. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9097. (phy->req_line_speed == SPEED_1000)) {
  9098. an_1000_val |= (1<<8);
  9099. autoneg_val |= (1<<9 | 1<<12);
  9100. if (phy->req_duplex == DUPLEX_FULL)
  9101. an_1000_val |= (1<<9);
  9102. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9103. } else
  9104. an_1000_val &= ~((1<<8) | (1<<9));
  9105. bnx2x_cl22_write(bp, phy,
  9106. 0x09,
  9107. an_1000_val);
  9108. bnx2x_cl22_read(bp, phy,
  9109. 0x09,
  9110. &an_1000_val);
  9111. /* set 100 speed advertisement */
  9112. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9113. (phy->speed_cap_mask &
  9114. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9115. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9116. an_10_100_val |= (1<<7);
  9117. /* Enable autoneg and restart autoneg for legacy speeds */
  9118. autoneg_val |= (1<<9 | 1<<12);
  9119. if (phy->req_duplex == DUPLEX_FULL)
  9120. an_10_100_val |= (1<<8);
  9121. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9122. }
  9123. /* set 10 speed advertisement */
  9124. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9125. (phy->speed_cap_mask &
  9126. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9127. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9128. an_10_100_val |= (1<<5);
  9129. autoneg_val |= (1<<9 | 1<<12);
  9130. if (phy->req_duplex == DUPLEX_FULL)
  9131. an_10_100_val |= (1<<6);
  9132. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9133. }
  9134. /* Only 10/100 are allowed to work in FORCE mode */
  9135. if (phy->req_line_speed == SPEED_100) {
  9136. autoneg_val |= (1<<13);
  9137. /* Enabled AUTO-MDIX when autoneg is disabled */
  9138. bnx2x_cl22_write(bp, phy,
  9139. 0x18,
  9140. (1<<15 | 1<<9 | 7<<0));
  9141. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9142. }
  9143. if (phy->req_line_speed == SPEED_10) {
  9144. /* Enabled AUTO-MDIX when autoneg is disabled */
  9145. bnx2x_cl22_write(bp, phy,
  9146. 0x18,
  9147. (1<<15 | 1<<9 | 7<<0));
  9148. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9149. }
  9150. /* Check if we should turn on Auto-GrEEEn */
  9151. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9152. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9153. if (params->feature_config_flags &
  9154. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9155. temp = 6;
  9156. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9157. } else {
  9158. temp = 0;
  9159. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9160. }
  9161. bnx2x_cl22_write(bp, phy,
  9162. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9163. bnx2x_cl22_write(bp, phy,
  9164. MDIO_REG_GPHY_CL45_DATA_REG,
  9165. MDIO_REG_GPHY_EEE_ADV);
  9166. bnx2x_cl22_write(bp, phy,
  9167. MDIO_REG_GPHY_CL45_ADDR_REG,
  9168. (0x1 << 14) | MDIO_AN_DEVAD);
  9169. bnx2x_cl22_write(bp, phy,
  9170. MDIO_REG_GPHY_CL45_DATA_REG,
  9171. temp);
  9172. }
  9173. bnx2x_cl22_write(bp, phy,
  9174. 0x04,
  9175. an_10_100_val | fc_val);
  9176. if (phy->req_duplex == DUPLEX_FULL)
  9177. autoneg_val |= (1<<8);
  9178. bnx2x_cl22_write(bp, phy,
  9179. MDIO_PMA_REG_CTRL, autoneg_val);
  9180. return 0;
  9181. }
  9182. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9183. struct link_params *params, u8 mode)
  9184. {
  9185. struct bnx2x *bp = params->bp;
  9186. u16 temp;
  9187. bnx2x_cl22_write(bp, phy,
  9188. MDIO_REG_GPHY_SHADOW,
  9189. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9190. bnx2x_cl22_read(bp, phy,
  9191. MDIO_REG_GPHY_SHADOW,
  9192. &temp);
  9193. temp &= 0xff00;
  9194. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9195. switch (mode) {
  9196. case LED_MODE_FRONT_PANEL_OFF:
  9197. case LED_MODE_OFF:
  9198. temp |= 0x00ee;
  9199. break;
  9200. case LED_MODE_OPER:
  9201. temp |= 0x0001;
  9202. break;
  9203. case LED_MODE_ON:
  9204. temp |= 0x00ff;
  9205. break;
  9206. default:
  9207. break;
  9208. }
  9209. bnx2x_cl22_write(bp, phy,
  9210. MDIO_REG_GPHY_SHADOW,
  9211. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9212. return;
  9213. }
  9214. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9215. struct link_params *params)
  9216. {
  9217. struct bnx2x *bp = params->bp;
  9218. u32 cfg_pin;
  9219. u8 port;
  9220. /*
  9221. * In case of no EPIO routed to reset the GPHY, put it
  9222. * in low power mode.
  9223. */
  9224. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9225. /*
  9226. * This works with E3 only, no need to check the chip
  9227. * before determining the port.
  9228. */
  9229. port = params->port;
  9230. cfg_pin = (REG_RD(bp, params->shmem_base +
  9231. offsetof(struct shmem_region,
  9232. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9233. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9234. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9235. /* Drive pin low to put GPHY in reset. */
  9236. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9237. }
  9238. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9239. struct link_params *params,
  9240. struct link_vars *vars)
  9241. {
  9242. struct bnx2x *bp = params->bp;
  9243. u16 val;
  9244. u8 link_up = 0;
  9245. u16 legacy_status, legacy_speed;
  9246. /* Get speed operation status */
  9247. bnx2x_cl22_read(bp, phy,
  9248. 0x19,
  9249. &legacy_status);
  9250. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9251. /* Read status to clear the PHY interrupt. */
  9252. bnx2x_cl22_read(bp, phy,
  9253. MDIO_REG_INTR_STATUS,
  9254. &val);
  9255. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9256. if (link_up) {
  9257. legacy_speed = (legacy_status & (7<<8));
  9258. if (legacy_speed == (7<<8)) {
  9259. vars->line_speed = SPEED_1000;
  9260. vars->duplex = DUPLEX_FULL;
  9261. } else if (legacy_speed == (6<<8)) {
  9262. vars->line_speed = SPEED_1000;
  9263. vars->duplex = DUPLEX_HALF;
  9264. } else if (legacy_speed == (5<<8)) {
  9265. vars->line_speed = SPEED_100;
  9266. vars->duplex = DUPLEX_FULL;
  9267. }
  9268. /* Omitting 100Base-T4 for now */
  9269. else if (legacy_speed == (3<<8)) {
  9270. vars->line_speed = SPEED_100;
  9271. vars->duplex = DUPLEX_HALF;
  9272. } else if (legacy_speed == (2<<8)) {
  9273. vars->line_speed = SPEED_10;
  9274. vars->duplex = DUPLEX_FULL;
  9275. } else if (legacy_speed == (1<<8)) {
  9276. vars->line_speed = SPEED_10;
  9277. vars->duplex = DUPLEX_HALF;
  9278. } else /* Should not happen */
  9279. vars->line_speed = 0;
  9280. DP(NETIF_MSG_LINK,
  9281. "Link is up in %dMbps, is_duplex_full= %d\n",
  9282. vars->line_speed,
  9283. (vars->duplex == DUPLEX_FULL));
  9284. /* Check legacy speed AN resolution */
  9285. bnx2x_cl22_read(bp, phy,
  9286. 0x01,
  9287. &val);
  9288. if (val & (1<<5))
  9289. vars->link_status |=
  9290. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9291. bnx2x_cl22_read(bp, phy,
  9292. 0x06,
  9293. &val);
  9294. if ((val & (1<<0)) == 0)
  9295. vars->link_status |=
  9296. LINK_STATUS_PARALLEL_DETECTION_USED;
  9297. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9298. vars->line_speed);
  9299. /* Report whether EEE is resolved. */
  9300. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9301. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9302. if (vars->link_status &
  9303. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9304. val = 0;
  9305. else {
  9306. bnx2x_cl22_write(bp, phy,
  9307. MDIO_REG_GPHY_CL45_ADDR_REG,
  9308. MDIO_AN_DEVAD);
  9309. bnx2x_cl22_write(bp, phy,
  9310. MDIO_REG_GPHY_CL45_DATA_REG,
  9311. MDIO_REG_GPHY_EEE_RESOLVED);
  9312. bnx2x_cl22_write(bp, phy,
  9313. MDIO_REG_GPHY_CL45_ADDR_REG,
  9314. (0x1 << 14) | MDIO_AN_DEVAD);
  9315. bnx2x_cl22_read(bp, phy,
  9316. MDIO_REG_GPHY_CL45_DATA_REG,
  9317. &val);
  9318. }
  9319. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9320. }
  9321. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9322. }
  9323. return link_up;
  9324. }
  9325. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9326. struct link_params *params)
  9327. {
  9328. struct bnx2x *bp = params->bp;
  9329. u16 val;
  9330. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9331. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9332. /* Enable master/slave manual mmode and set to master */
  9333. /* mii write 9 [bits set 11 12] */
  9334. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9335. /* forced 1G and disable autoneg */
  9336. /* set val [mii read 0] */
  9337. /* set val [expr $val & [bits clear 6 12 13]] */
  9338. /* set val [expr $val | [bits set 6 8]] */
  9339. /* mii write 0 $val */
  9340. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9341. val &= ~((1<<6) | (1<<12) | (1<<13));
  9342. val |= (1<<6) | (1<<8);
  9343. bnx2x_cl22_write(bp, phy, 0x00, val);
  9344. /* Set external loopback and Tx using 6dB coding */
  9345. /* mii write 0x18 7 */
  9346. /* set val [mii read 0x18] */
  9347. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9348. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9349. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9350. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9351. /* This register opens the gate for the UMAC despite its name */
  9352. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9353. /*
  9354. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9355. * length used by the MAC receive logic to check frames.
  9356. */
  9357. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9358. }
  9359. /******************************************************************/
  9360. /* SFX7101 PHY SECTION */
  9361. /******************************************************************/
  9362. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9363. struct link_params *params)
  9364. {
  9365. struct bnx2x *bp = params->bp;
  9366. /* SFX7101_XGXS_TEST1 */
  9367. bnx2x_cl45_write(bp, phy,
  9368. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9369. }
  9370. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9371. struct link_params *params,
  9372. struct link_vars *vars)
  9373. {
  9374. u16 fw_ver1, fw_ver2, val;
  9375. struct bnx2x *bp = params->bp;
  9376. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9377. /* Restore normal power mode*/
  9378. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9379. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9380. /* HW reset */
  9381. bnx2x_ext_phy_hw_reset(bp, params->port);
  9382. bnx2x_wait_reset_complete(bp, phy, params);
  9383. bnx2x_cl45_write(bp, phy,
  9384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9385. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9386. bnx2x_cl45_write(bp, phy,
  9387. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9388. bnx2x_ext_phy_set_pause(params, phy, vars);
  9389. /* Restart autoneg */
  9390. bnx2x_cl45_read(bp, phy,
  9391. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9392. val |= 0x200;
  9393. bnx2x_cl45_write(bp, phy,
  9394. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9395. /* Save spirom version */
  9396. bnx2x_cl45_read(bp, phy,
  9397. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9398. bnx2x_cl45_read(bp, phy,
  9399. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9400. bnx2x_save_spirom_version(bp, params->port,
  9401. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9402. return 0;
  9403. }
  9404. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9405. struct link_params *params,
  9406. struct link_vars *vars)
  9407. {
  9408. struct bnx2x *bp = params->bp;
  9409. u8 link_up;
  9410. u16 val1, val2;
  9411. bnx2x_cl45_read(bp, phy,
  9412. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9413. bnx2x_cl45_read(bp, phy,
  9414. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9415. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9416. val2, val1);
  9417. bnx2x_cl45_read(bp, phy,
  9418. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9419. bnx2x_cl45_read(bp, phy,
  9420. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9421. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9422. val2, val1);
  9423. link_up = ((val1 & 4) == 4);
  9424. /* if link is up print the AN outcome of the SFX7101 PHY */
  9425. if (link_up) {
  9426. bnx2x_cl45_read(bp, phy,
  9427. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9428. &val2);
  9429. vars->line_speed = SPEED_10000;
  9430. vars->duplex = DUPLEX_FULL;
  9431. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9432. val2, (val2 & (1<<14)));
  9433. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9434. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9435. }
  9436. return link_up;
  9437. }
  9438. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9439. {
  9440. if (*len < 5)
  9441. return -EINVAL;
  9442. str[0] = (spirom_ver & 0xFF);
  9443. str[1] = (spirom_ver & 0xFF00) >> 8;
  9444. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9445. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9446. str[4] = '\0';
  9447. *len -= 5;
  9448. return 0;
  9449. }
  9450. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9451. {
  9452. u16 val, cnt;
  9453. bnx2x_cl45_read(bp, phy,
  9454. MDIO_PMA_DEVAD,
  9455. MDIO_PMA_REG_7101_RESET, &val);
  9456. for (cnt = 0; cnt < 10; cnt++) {
  9457. msleep(50);
  9458. /* Writes a self-clearing reset */
  9459. bnx2x_cl45_write(bp, phy,
  9460. MDIO_PMA_DEVAD,
  9461. MDIO_PMA_REG_7101_RESET,
  9462. (val | (1<<15)));
  9463. /* Wait for clear */
  9464. bnx2x_cl45_read(bp, phy,
  9465. MDIO_PMA_DEVAD,
  9466. MDIO_PMA_REG_7101_RESET, &val);
  9467. if ((val & (1<<15)) == 0)
  9468. break;
  9469. }
  9470. }
  9471. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9472. struct link_params *params) {
  9473. /* Low power mode is controlled by GPIO 2 */
  9474. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9475. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9476. /* The PHY reset is controlled by GPIO 1 */
  9477. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9478. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9479. }
  9480. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9481. struct link_params *params, u8 mode)
  9482. {
  9483. u16 val = 0;
  9484. struct bnx2x *bp = params->bp;
  9485. switch (mode) {
  9486. case LED_MODE_FRONT_PANEL_OFF:
  9487. case LED_MODE_OFF:
  9488. val = 2;
  9489. break;
  9490. case LED_MODE_ON:
  9491. val = 1;
  9492. break;
  9493. case LED_MODE_OPER:
  9494. val = 0;
  9495. break;
  9496. }
  9497. bnx2x_cl45_write(bp, phy,
  9498. MDIO_PMA_DEVAD,
  9499. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9500. val);
  9501. }
  9502. /******************************************************************/
  9503. /* STATIC PHY DECLARATION */
  9504. /******************************************************************/
  9505. static struct bnx2x_phy phy_null = {
  9506. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9507. .addr = 0,
  9508. .def_md_devad = 0,
  9509. .flags = FLAGS_INIT_XGXS_FIRST,
  9510. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9511. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9512. .mdio_ctrl = 0,
  9513. .supported = 0,
  9514. .media_type = ETH_PHY_NOT_PRESENT,
  9515. .ver_addr = 0,
  9516. .req_flow_ctrl = 0,
  9517. .req_line_speed = 0,
  9518. .speed_cap_mask = 0,
  9519. .req_duplex = 0,
  9520. .rsrv = 0,
  9521. .config_init = (config_init_t)NULL,
  9522. .read_status = (read_status_t)NULL,
  9523. .link_reset = (link_reset_t)NULL,
  9524. .config_loopback = (config_loopback_t)NULL,
  9525. .format_fw_ver = (format_fw_ver_t)NULL,
  9526. .hw_reset = (hw_reset_t)NULL,
  9527. .set_link_led = (set_link_led_t)NULL,
  9528. .phy_specific_func = (phy_specific_func_t)NULL
  9529. };
  9530. static struct bnx2x_phy phy_serdes = {
  9531. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9532. .addr = 0xff,
  9533. .def_md_devad = 0,
  9534. .flags = 0,
  9535. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9536. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9537. .mdio_ctrl = 0,
  9538. .supported = (SUPPORTED_10baseT_Half |
  9539. SUPPORTED_10baseT_Full |
  9540. SUPPORTED_100baseT_Half |
  9541. SUPPORTED_100baseT_Full |
  9542. SUPPORTED_1000baseT_Full |
  9543. SUPPORTED_2500baseX_Full |
  9544. SUPPORTED_TP |
  9545. SUPPORTED_Autoneg |
  9546. SUPPORTED_Pause |
  9547. SUPPORTED_Asym_Pause),
  9548. .media_type = ETH_PHY_BASE_T,
  9549. .ver_addr = 0,
  9550. .req_flow_ctrl = 0,
  9551. .req_line_speed = 0,
  9552. .speed_cap_mask = 0,
  9553. .req_duplex = 0,
  9554. .rsrv = 0,
  9555. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9556. .read_status = (read_status_t)bnx2x_link_settings_status,
  9557. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9558. .config_loopback = (config_loopback_t)NULL,
  9559. .format_fw_ver = (format_fw_ver_t)NULL,
  9560. .hw_reset = (hw_reset_t)NULL,
  9561. .set_link_led = (set_link_led_t)NULL,
  9562. .phy_specific_func = (phy_specific_func_t)NULL
  9563. };
  9564. static struct bnx2x_phy phy_xgxs = {
  9565. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9566. .addr = 0xff,
  9567. .def_md_devad = 0,
  9568. .flags = 0,
  9569. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9570. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9571. .mdio_ctrl = 0,
  9572. .supported = (SUPPORTED_10baseT_Half |
  9573. SUPPORTED_10baseT_Full |
  9574. SUPPORTED_100baseT_Half |
  9575. SUPPORTED_100baseT_Full |
  9576. SUPPORTED_1000baseT_Full |
  9577. SUPPORTED_2500baseX_Full |
  9578. SUPPORTED_10000baseT_Full |
  9579. SUPPORTED_FIBRE |
  9580. SUPPORTED_Autoneg |
  9581. SUPPORTED_Pause |
  9582. SUPPORTED_Asym_Pause),
  9583. .media_type = ETH_PHY_CX4,
  9584. .ver_addr = 0,
  9585. .req_flow_ctrl = 0,
  9586. .req_line_speed = 0,
  9587. .speed_cap_mask = 0,
  9588. .req_duplex = 0,
  9589. .rsrv = 0,
  9590. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9591. .read_status = (read_status_t)bnx2x_link_settings_status,
  9592. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9593. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9594. .format_fw_ver = (format_fw_ver_t)NULL,
  9595. .hw_reset = (hw_reset_t)NULL,
  9596. .set_link_led = (set_link_led_t)NULL,
  9597. .phy_specific_func = (phy_specific_func_t)NULL
  9598. };
  9599. static struct bnx2x_phy phy_warpcore = {
  9600. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9601. .addr = 0xff,
  9602. .def_md_devad = 0,
  9603. .flags = FLAGS_HW_LOCK_REQUIRED,
  9604. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9605. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9606. .mdio_ctrl = 0,
  9607. .supported = (SUPPORTED_10baseT_Half |
  9608. SUPPORTED_10baseT_Full |
  9609. SUPPORTED_100baseT_Half |
  9610. SUPPORTED_100baseT_Full |
  9611. SUPPORTED_1000baseT_Full |
  9612. SUPPORTED_10000baseT_Full |
  9613. SUPPORTED_20000baseKR2_Full |
  9614. SUPPORTED_20000baseMLD2_Full |
  9615. SUPPORTED_FIBRE |
  9616. SUPPORTED_Autoneg |
  9617. SUPPORTED_Pause |
  9618. SUPPORTED_Asym_Pause),
  9619. .media_type = ETH_PHY_UNSPECIFIED,
  9620. .ver_addr = 0,
  9621. .req_flow_ctrl = 0,
  9622. .req_line_speed = 0,
  9623. .speed_cap_mask = 0,
  9624. /* req_duplex = */0,
  9625. /* rsrv = */0,
  9626. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9627. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9628. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9629. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9630. .format_fw_ver = (format_fw_ver_t)NULL,
  9631. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9632. .set_link_led = (set_link_led_t)NULL,
  9633. .phy_specific_func = (phy_specific_func_t)NULL
  9634. };
  9635. static struct bnx2x_phy phy_7101 = {
  9636. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9637. .addr = 0xff,
  9638. .def_md_devad = 0,
  9639. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9640. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9641. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9642. .mdio_ctrl = 0,
  9643. .supported = (SUPPORTED_10000baseT_Full |
  9644. SUPPORTED_TP |
  9645. SUPPORTED_Autoneg |
  9646. SUPPORTED_Pause |
  9647. SUPPORTED_Asym_Pause),
  9648. .media_type = ETH_PHY_BASE_T,
  9649. .ver_addr = 0,
  9650. .req_flow_ctrl = 0,
  9651. .req_line_speed = 0,
  9652. .speed_cap_mask = 0,
  9653. .req_duplex = 0,
  9654. .rsrv = 0,
  9655. .config_init = (config_init_t)bnx2x_7101_config_init,
  9656. .read_status = (read_status_t)bnx2x_7101_read_status,
  9657. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9658. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9659. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9660. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9661. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9662. .phy_specific_func = (phy_specific_func_t)NULL
  9663. };
  9664. static struct bnx2x_phy phy_8073 = {
  9665. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9666. .addr = 0xff,
  9667. .def_md_devad = 0,
  9668. .flags = FLAGS_HW_LOCK_REQUIRED,
  9669. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9670. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9671. .mdio_ctrl = 0,
  9672. .supported = (SUPPORTED_10000baseT_Full |
  9673. SUPPORTED_2500baseX_Full |
  9674. SUPPORTED_1000baseT_Full |
  9675. SUPPORTED_FIBRE |
  9676. SUPPORTED_Autoneg |
  9677. SUPPORTED_Pause |
  9678. SUPPORTED_Asym_Pause),
  9679. .media_type = ETH_PHY_KR,
  9680. .ver_addr = 0,
  9681. .req_flow_ctrl = 0,
  9682. .req_line_speed = 0,
  9683. .speed_cap_mask = 0,
  9684. .req_duplex = 0,
  9685. .rsrv = 0,
  9686. .config_init = (config_init_t)bnx2x_8073_config_init,
  9687. .read_status = (read_status_t)bnx2x_8073_read_status,
  9688. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9689. .config_loopback = (config_loopback_t)NULL,
  9690. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9691. .hw_reset = (hw_reset_t)NULL,
  9692. .set_link_led = (set_link_led_t)NULL,
  9693. .phy_specific_func = (phy_specific_func_t)NULL
  9694. };
  9695. static struct bnx2x_phy phy_8705 = {
  9696. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9697. .addr = 0xff,
  9698. .def_md_devad = 0,
  9699. .flags = FLAGS_INIT_XGXS_FIRST,
  9700. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9701. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9702. .mdio_ctrl = 0,
  9703. .supported = (SUPPORTED_10000baseT_Full |
  9704. SUPPORTED_FIBRE |
  9705. SUPPORTED_Pause |
  9706. SUPPORTED_Asym_Pause),
  9707. .media_type = ETH_PHY_XFP_FIBER,
  9708. .ver_addr = 0,
  9709. .req_flow_ctrl = 0,
  9710. .req_line_speed = 0,
  9711. .speed_cap_mask = 0,
  9712. .req_duplex = 0,
  9713. .rsrv = 0,
  9714. .config_init = (config_init_t)bnx2x_8705_config_init,
  9715. .read_status = (read_status_t)bnx2x_8705_read_status,
  9716. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9717. .config_loopback = (config_loopback_t)NULL,
  9718. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9719. .hw_reset = (hw_reset_t)NULL,
  9720. .set_link_led = (set_link_led_t)NULL,
  9721. .phy_specific_func = (phy_specific_func_t)NULL
  9722. };
  9723. static struct bnx2x_phy phy_8706 = {
  9724. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9725. .addr = 0xff,
  9726. .def_md_devad = 0,
  9727. .flags = FLAGS_INIT_XGXS_FIRST,
  9728. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9729. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9730. .mdio_ctrl = 0,
  9731. .supported = (SUPPORTED_10000baseT_Full |
  9732. SUPPORTED_1000baseT_Full |
  9733. SUPPORTED_FIBRE |
  9734. SUPPORTED_Pause |
  9735. SUPPORTED_Asym_Pause),
  9736. .media_type = ETH_PHY_SFP_FIBER,
  9737. .ver_addr = 0,
  9738. .req_flow_ctrl = 0,
  9739. .req_line_speed = 0,
  9740. .speed_cap_mask = 0,
  9741. .req_duplex = 0,
  9742. .rsrv = 0,
  9743. .config_init = (config_init_t)bnx2x_8706_config_init,
  9744. .read_status = (read_status_t)bnx2x_8706_read_status,
  9745. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9746. .config_loopback = (config_loopback_t)NULL,
  9747. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9748. .hw_reset = (hw_reset_t)NULL,
  9749. .set_link_led = (set_link_led_t)NULL,
  9750. .phy_specific_func = (phy_specific_func_t)NULL
  9751. };
  9752. static struct bnx2x_phy phy_8726 = {
  9753. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9754. .addr = 0xff,
  9755. .def_md_devad = 0,
  9756. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9757. FLAGS_INIT_XGXS_FIRST),
  9758. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9759. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9760. .mdio_ctrl = 0,
  9761. .supported = (SUPPORTED_10000baseT_Full |
  9762. SUPPORTED_1000baseT_Full |
  9763. SUPPORTED_Autoneg |
  9764. SUPPORTED_FIBRE |
  9765. SUPPORTED_Pause |
  9766. SUPPORTED_Asym_Pause),
  9767. .media_type = ETH_PHY_NOT_PRESENT,
  9768. .ver_addr = 0,
  9769. .req_flow_ctrl = 0,
  9770. .req_line_speed = 0,
  9771. .speed_cap_mask = 0,
  9772. .req_duplex = 0,
  9773. .rsrv = 0,
  9774. .config_init = (config_init_t)bnx2x_8726_config_init,
  9775. .read_status = (read_status_t)bnx2x_8726_read_status,
  9776. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9777. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9778. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9779. .hw_reset = (hw_reset_t)NULL,
  9780. .set_link_led = (set_link_led_t)NULL,
  9781. .phy_specific_func = (phy_specific_func_t)NULL
  9782. };
  9783. static struct bnx2x_phy phy_8727 = {
  9784. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9785. .addr = 0xff,
  9786. .def_md_devad = 0,
  9787. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9788. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9789. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9790. .mdio_ctrl = 0,
  9791. .supported = (SUPPORTED_10000baseT_Full |
  9792. SUPPORTED_1000baseT_Full |
  9793. SUPPORTED_FIBRE |
  9794. SUPPORTED_Pause |
  9795. SUPPORTED_Asym_Pause),
  9796. .media_type = ETH_PHY_NOT_PRESENT,
  9797. .ver_addr = 0,
  9798. .req_flow_ctrl = 0,
  9799. .req_line_speed = 0,
  9800. .speed_cap_mask = 0,
  9801. .req_duplex = 0,
  9802. .rsrv = 0,
  9803. .config_init = (config_init_t)bnx2x_8727_config_init,
  9804. .read_status = (read_status_t)bnx2x_8727_read_status,
  9805. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9806. .config_loopback = (config_loopback_t)NULL,
  9807. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9808. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9809. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9810. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9811. };
  9812. static struct bnx2x_phy phy_8481 = {
  9813. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9814. .addr = 0xff,
  9815. .def_md_devad = 0,
  9816. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9817. FLAGS_REARM_LATCH_SIGNAL,
  9818. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9819. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9820. .mdio_ctrl = 0,
  9821. .supported = (SUPPORTED_10baseT_Half |
  9822. SUPPORTED_10baseT_Full |
  9823. SUPPORTED_100baseT_Half |
  9824. SUPPORTED_100baseT_Full |
  9825. SUPPORTED_1000baseT_Full |
  9826. SUPPORTED_10000baseT_Full |
  9827. SUPPORTED_TP |
  9828. SUPPORTED_Autoneg |
  9829. SUPPORTED_Pause |
  9830. SUPPORTED_Asym_Pause),
  9831. .media_type = ETH_PHY_BASE_T,
  9832. .ver_addr = 0,
  9833. .req_flow_ctrl = 0,
  9834. .req_line_speed = 0,
  9835. .speed_cap_mask = 0,
  9836. .req_duplex = 0,
  9837. .rsrv = 0,
  9838. .config_init = (config_init_t)bnx2x_8481_config_init,
  9839. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9840. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9841. .config_loopback = (config_loopback_t)NULL,
  9842. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9843. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9844. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9845. .phy_specific_func = (phy_specific_func_t)NULL
  9846. };
  9847. static struct bnx2x_phy phy_84823 = {
  9848. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9849. .addr = 0xff,
  9850. .def_md_devad = 0,
  9851. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9852. FLAGS_REARM_LATCH_SIGNAL,
  9853. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9854. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9855. .mdio_ctrl = 0,
  9856. .supported = (SUPPORTED_10baseT_Half |
  9857. SUPPORTED_10baseT_Full |
  9858. SUPPORTED_100baseT_Half |
  9859. SUPPORTED_100baseT_Full |
  9860. SUPPORTED_1000baseT_Full |
  9861. SUPPORTED_10000baseT_Full |
  9862. SUPPORTED_TP |
  9863. SUPPORTED_Autoneg |
  9864. SUPPORTED_Pause |
  9865. SUPPORTED_Asym_Pause),
  9866. .media_type = ETH_PHY_BASE_T,
  9867. .ver_addr = 0,
  9868. .req_flow_ctrl = 0,
  9869. .req_line_speed = 0,
  9870. .speed_cap_mask = 0,
  9871. .req_duplex = 0,
  9872. .rsrv = 0,
  9873. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9874. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9875. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9876. .config_loopback = (config_loopback_t)NULL,
  9877. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9878. .hw_reset = (hw_reset_t)NULL,
  9879. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9880. .phy_specific_func = (phy_specific_func_t)NULL
  9881. };
  9882. static struct bnx2x_phy phy_84833 = {
  9883. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9884. .addr = 0xff,
  9885. .def_md_devad = 0,
  9886. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9887. FLAGS_REARM_LATCH_SIGNAL,
  9888. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9889. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9890. .mdio_ctrl = 0,
  9891. .supported = (SUPPORTED_100baseT_Half |
  9892. SUPPORTED_100baseT_Full |
  9893. SUPPORTED_1000baseT_Full |
  9894. SUPPORTED_10000baseT_Full |
  9895. SUPPORTED_TP |
  9896. SUPPORTED_Autoneg |
  9897. SUPPORTED_Pause |
  9898. SUPPORTED_Asym_Pause),
  9899. .media_type = ETH_PHY_BASE_T,
  9900. .ver_addr = 0,
  9901. .req_flow_ctrl = 0,
  9902. .req_line_speed = 0,
  9903. .speed_cap_mask = 0,
  9904. .req_duplex = 0,
  9905. .rsrv = 0,
  9906. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9907. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9908. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9909. .config_loopback = (config_loopback_t)NULL,
  9910. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9911. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9912. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9913. .phy_specific_func = (phy_specific_func_t)NULL
  9914. };
  9915. static struct bnx2x_phy phy_54618se = {
  9916. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9917. .addr = 0xff,
  9918. .def_md_devad = 0,
  9919. .flags = FLAGS_INIT_XGXS_FIRST,
  9920. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9921. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9922. .mdio_ctrl = 0,
  9923. .supported = (SUPPORTED_10baseT_Half |
  9924. SUPPORTED_10baseT_Full |
  9925. SUPPORTED_100baseT_Half |
  9926. SUPPORTED_100baseT_Full |
  9927. SUPPORTED_1000baseT_Full |
  9928. SUPPORTED_TP |
  9929. SUPPORTED_Autoneg |
  9930. SUPPORTED_Pause |
  9931. SUPPORTED_Asym_Pause),
  9932. .media_type = ETH_PHY_BASE_T,
  9933. .ver_addr = 0,
  9934. .req_flow_ctrl = 0,
  9935. .req_line_speed = 0,
  9936. .speed_cap_mask = 0,
  9937. /* req_duplex = */0,
  9938. /* rsrv = */0,
  9939. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9940. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9941. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9942. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9943. .format_fw_ver = (format_fw_ver_t)NULL,
  9944. .hw_reset = (hw_reset_t)NULL,
  9945. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  9946. .phy_specific_func = (phy_specific_func_t)NULL
  9947. };
  9948. /*****************************************************************/
  9949. /* */
  9950. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9951. /* */
  9952. /*****************************************************************/
  9953. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9954. struct bnx2x_phy *phy, u8 port,
  9955. u8 phy_index)
  9956. {
  9957. /* Get the 4 lanes xgxs config rx and tx */
  9958. u32 rx = 0, tx = 0, i;
  9959. for (i = 0; i < 2; i++) {
  9960. /*
  9961. * INT_PHY and EXT_PHY1 share the same value location in the
  9962. * shmem. When num_phys is greater than 1, than this value
  9963. * applies only to EXT_PHY1
  9964. */
  9965. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9966. rx = REG_RD(bp, shmem_base +
  9967. offsetof(struct shmem_region,
  9968. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9969. tx = REG_RD(bp, shmem_base +
  9970. offsetof(struct shmem_region,
  9971. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9972. } else {
  9973. rx = REG_RD(bp, shmem_base +
  9974. offsetof(struct shmem_region,
  9975. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9976. tx = REG_RD(bp, shmem_base +
  9977. offsetof(struct shmem_region,
  9978. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9979. }
  9980. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9981. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9982. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9983. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9984. }
  9985. }
  9986. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9987. u8 phy_index, u8 port)
  9988. {
  9989. u32 ext_phy_config = 0;
  9990. switch (phy_index) {
  9991. case EXT_PHY1:
  9992. ext_phy_config = REG_RD(bp, shmem_base +
  9993. offsetof(struct shmem_region,
  9994. dev_info.port_hw_config[port].external_phy_config));
  9995. break;
  9996. case EXT_PHY2:
  9997. ext_phy_config = REG_RD(bp, shmem_base +
  9998. offsetof(struct shmem_region,
  9999. dev_info.port_hw_config[port].external_phy_config2));
  10000. break;
  10001. default:
  10002. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10003. return -EINVAL;
  10004. }
  10005. return ext_phy_config;
  10006. }
  10007. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10008. struct bnx2x_phy *phy)
  10009. {
  10010. u32 phy_addr;
  10011. u32 chip_id;
  10012. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10013. offsetof(struct shmem_region,
  10014. dev_info.port_feature_config[port].link_config)) &
  10015. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10016. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  10017. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10018. if (USES_WARPCORE(bp)) {
  10019. u32 serdes_net_if;
  10020. phy_addr = REG_RD(bp,
  10021. MISC_REG_WC0_CTRL_PHY_ADDR);
  10022. *phy = phy_warpcore;
  10023. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10024. phy->flags |= FLAGS_4_PORT_MODE;
  10025. else
  10026. phy->flags &= ~FLAGS_4_PORT_MODE;
  10027. /* Check Dual mode */
  10028. serdes_net_if = (REG_RD(bp, shmem_base +
  10029. offsetof(struct shmem_region, dev_info.
  10030. port_hw_config[port].default_cfg)) &
  10031. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10032. /*
  10033. * Set the appropriate supported and flags indications per
  10034. * interface type of the chip
  10035. */
  10036. switch (serdes_net_if) {
  10037. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10038. phy->supported &= (SUPPORTED_10baseT_Half |
  10039. SUPPORTED_10baseT_Full |
  10040. SUPPORTED_100baseT_Half |
  10041. SUPPORTED_100baseT_Full |
  10042. SUPPORTED_1000baseT_Full |
  10043. SUPPORTED_FIBRE |
  10044. SUPPORTED_Autoneg |
  10045. SUPPORTED_Pause |
  10046. SUPPORTED_Asym_Pause);
  10047. phy->media_type = ETH_PHY_BASE_T;
  10048. break;
  10049. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10050. phy->media_type = ETH_PHY_XFP_FIBER;
  10051. break;
  10052. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10053. phy->supported &= (SUPPORTED_1000baseT_Full |
  10054. SUPPORTED_10000baseT_Full |
  10055. SUPPORTED_FIBRE |
  10056. SUPPORTED_Pause |
  10057. SUPPORTED_Asym_Pause);
  10058. phy->media_type = ETH_PHY_SFP_FIBER;
  10059. break;
  10060. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10061. phy->media_type = ETH_PHY_KR;
  10062. phy->supported &= (SUPPORTED_1000baseT_Full |
  10063. SUPPORTED_10000baseT_Full |
  10064. SUPPORTED_FIBRE |
  10065. SUPPORTED_Autoneg |
  10066. SUPPORTED_Pause |
  10067. SUPPORTED_Asym_Pause);
  10068. break;
  10069. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10070. phy->media_type = ETH_PHY_KR;
  10071. phy->flags |= FLAGS_WC_DUAL_MODE;
  10072. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10073. SUPPORTED_FIBRE |
  10074. SUPPORTED_Pause |
  10075. SUPPORTED_Asym_Pause);
  10076. break;
  10077. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10078. phy->media_type = ETH_PHY_KR;
  10079. phy->flags |= FLAGS_WC_DUAL_MODE;
  10080. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10081. SUPPORTED_FIBRE |
  10082. SUPPORTED_Pause |
  10083. SUPPORTED_Asym_Pause);
  10084. break;
  10085. default:
  10086. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10087. serdes_net_if);
  10088. break;
  10089. }
  10090. /*
  10091. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10092. * was not set as expected. For B0, ECO will be enabled so there
  10093. * won't be an issue there
  10094. */
  10095. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10096. phy->flags |= FLAGS_MDC_MDIO_WA;
  10097. else
  10098. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10099. } else {
  10100. switch (switch_cfg) {
  10101. case SWITCH_CFG_1G:
  10102. phy_addr = REG_RD(bp,
  10103. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10104. port * 0x10);
  10105. *phy = phy_serdes;
  10106. break;
  10107. case SWITCH_CFG_10G:
  10108. phy_addr = REG_RD(bp,
  10109. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10110. port * 0x18);
  10111. *phy = phy_xgxs;
  10112. break;
  10113. default:
  10114. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10115. return -EINVAL;
  10116. }
  10117. }
  10118. phy->addr = (u8)phy_addr;
  10119. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10120. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10121. port);
  10122. if (CHIP_IS_E2(bp))
  10123. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10124. else
  10125. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10126. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10127. port, phy->addr, phy->mdio_ctrl);
  10128. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10129. return 0;
  10130. }
  10131. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10132. u8 phy_index,
  10133. u32 shmem_base,
  10134. u32 shmem2_base,
  10135. u8 port,
  10136. struct bnx2x_phy *phy)
  10137. {
  10138. u32 ext_phy_config, phy_type, config2;
  10139. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10140. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10141. phy_index, port);
  10142. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10143. /* Select the phy type */
  10144. switch (phy_type) {
  10145. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10146. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10147. *phy = phy_8073;
  10148. break;
  10149. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10150. *phy = phy_8705;
  10151. break;
  10152. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10153. *phy = phy_8706;
  10154. break;
  10155. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10156. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10157. *phy = phy_8726;
  10158. break;
  10159. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10160. /* BCM8727_NOC => BCM8727 no over current */
  10161. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10162. *phy = phy_8727;
  10163. phy->flags |= FLAGS_NOC;
  10164. break;
  10165. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10166. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10167. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10168. *phy = phy_8727;
  10169. break;
  10170. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10171. *phy = phy_8481;
  10172. break;
  10173. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10174. *phy = phy_84823;
  10175. break;
  10176. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10177. *phy = phy_84833;
  10178. break;
  10179. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10180. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10181. *phy = phy_54618se;
  10182. break;
  10183. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10184. *phy = phy_7101;
  10185. break;
  10186. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10187. *phy = phy_null;
  10188. return -EINVAL;
  10189. default:
  10190. *phy = phy_null;
  10191. return 0;
  10192. }
  10193. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10194. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10195. /*
  10196. * The shmem address of the phy version is located on different
  10197. * structures. In case this structure is too old, do not set
  10198. * the address
  10199. */
  10200. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10201. dev_info.shared_hw_config.config2));
  10202. if (phy_index == EXT_PHY1) {
  10203. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10204. port_mb[port].ext_phy_fw_version);
  10205. /* Check specific mdc mdio settings */
  10206. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10207. mdc_mdio_access = config2 &
  10208. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10209. } else {
  10210. u32 size = REG_RD(bp, shmem2_base);
  10211. if (size >
  10212. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10213. phy->ver_addr = shmem2_base +
  10214. offsetof(struct shmem2_region,
  10215. ext_phy_fw_version2[port]);
  10216. }
  10217. /* Check specific mdc mdio settings */
  10218. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10219. mdc_mdio_access = (config2 &
  10220. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10221. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10222. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10223. }
  10224. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10225. /*
  10226. * In case mdc/mdio_access of the external phy is different than the
  10227. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10228. * to prevent one port interfere with another port's CL45 operations.
  10229. */
  10230. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10231. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10232. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10233. phy_type, port, phy_index);
  10234. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10235. phy->addr, phy->mdio_ctrl);
  10236. return 0;
  10237. }
  10238. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10239. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10240. {
  10241. int status = 0;
  10242. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10243. if (phy_index == INT_PHY)
  10244. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10245. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10246. port, phy);
  10247. return status;
  10248. }
  10249. static void bnx2x_phy_def_cfg(struct link_params *params,
  10250. struct bnx2x_phy *phy,
  10251. u8 phy_index)
  10252. {
  10253. struct bnx2x *bp = params->bp;
  10254. u32 link_config;
  10255. /* Populate the default phy configuration for MF mode */
  10256. if (phy_index == EXT_PHY2) {
  10257. link_config = REG_RD(bp, params->shmem_base +
  10258. offsetof(struct shmem_region, dev_info.
  10259. port_feature_config[params->port].link_config2));
  10260. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10261. offsetof(struct shmem_region,
  10262. dev_info.
  10263. port_hw_config[params->port].speed_capability_mask2));
  10264. } else {
  10265. link_config = REG_RD(bp, params->shmem_base +
  10266. offsetof(struct shmem_region, dev_info.
  10267. port_feature_config[params->port].link_config));
  10268. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10269. offsetof(struct shmem_region,
  10270. dev_info.
  10271. port_hw_config[params->port].speed_capability_mask));
  10272. }
  10273. DP(NETIF_MSG_LINK,
  10274. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10275. phy_index, link_config, phy->speed_cap_mask);
  10276. phy->req_duplex = DUPLEX_FULL;
  10277. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10278. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10279. phy->req_duplex = DUPLEX_HALF;
  10280. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10281. phy->req_line_speed = SPEED_10;
  10282. break;
  10283. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10284. phy->req_duplex = DUPLEX_HALF;
  10285. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10286. phy->req_line_speed = SPEED_100;
  10287. break;
  10288. case PORT_FEATURE_LINK_SPEED_1G:
  10289. phy->req_line_speed = SPEED_1000;
  10290. break;
  10291. case PORT_FEATURE_LINK_SPEED_2_5G:
  10292. phy->req_line_speed = SPEED_2500;
  10293. break;
  10294. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10295. phy->req_line_speed = SPEED_10000;
  10296. break;
  10297. default:
  10298. phy->req_line_speed = SPEED_AUTO_NEG;
  10299. break;
  10300. }
  10301. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10302. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10303. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10304. break;
  10305. case PORT_FEATURE_FLOW_CONTROL_TX:
  10306. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10307. break;
  10308. case PORT_FEATURE_FLOW_CONTROL_RX:
  10309. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10310. break;
  10311. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10312. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10313. break;
  10314. default:
  10315. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10316. break;
  10317. }
  10318. }
  10319. u32 bnx2x_phy_selection(struct link_params *params)
  10320. {
  10321. u32 phy_config_swapped, prio_cfg;
  10322. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10323. phy_config_swapped = params->multi_phy_config &
  10324. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10325. prio_cfg = params->multi_phy_config &
  10326. PORT_HW_CFG_PHY_SELECTION_MASK;
  10327. if (phy_config_swapped) {
  10328. switch (prio_cfg) {
  10329. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10330. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10331. break;
  10332. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10333. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10334. break;
  10335. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10336. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10337. break;
  10338. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10339. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10340. break;
  10341. }
  10342. } else
  10343. return_cfg = prio_cfg;
  10344. return return_cfg;
  10345. }
  10346. int bnx2x_phy_probe(struct link_params *params)
  10347. {
  10348. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10349. u32 phy_config_swapped, sync_offset, media_types;
  10350. struct bnx2x *bp = params->bp;
  10351. struct bnx2x_phy *phy;
  10352. params->num_phys = 0;
  10353. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10354. phy_config_swapped = params->multi_phy_config &
  10355. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10356. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10357. phy_index++) {
  10358. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10359. actual_phy_idx = phy_index;
  10360. if (phy_config_swapped) {
  10361. if (phy_index == EXT_PHY1)
  10362. actual_phy_idx = EXT_PHY2;
  10363. else if (phy_index == EXT_PHY2)
  10364. actual_phy_idx = EXT_PHY1;
  10365. }
  10366. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10367. " actual_phy_idx %x\n", phy_config_swapped,
  10368. phy_index, actual_phy_idx);
  10369. phy = &params->phy[actual_phy_idx];
  10370. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10371. params->shmem2_base, params->port,
  10372. phy) != 0) {
  10373. params->num_phys = 0;
  10374. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10375. phy_index);
  10376. for (phy_index = INT_PHY;
  10377. phy_index < MAX_PHYS;
  10378. phy_index++)
  10379. *phy = phy_null;
  10380. return -EINVAL;
  10381. }
  10382. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10383. break;
  10384. sync_offset = params->shmem_base +
  10385. offsetof(struct shmem_region,
  10386. dev_info.port_hw_config[params->port].media_type);
  10387. media_types = REG_RD(bp, sync_offset);
  10388. /*
  10389. * Update media type for non-PMF sync only for the first time
  10390. * In case the media type changes afterwards, it will be updated
  10391. * using the update_status function
  10392. */
  10393. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10394. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10395. actual_phy_idx))) == 0) {
  10396. media_types |= ((phy->media_type &
  10397. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10398. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10399. actual_phy_idx));
  10400. }
  10401. REG_WR(bp, sync_offset, media_types);
  10402. bnx2x_phy_def_cfg(params, phy, phy_index);
  10403. params->num_phys++;
  10404. }
  10405. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10406. return 0;
  10407. }
  10408. void bnx2x_init_bmac_loopback(struct link_params *params,
  10409. struct link_vars *vars)
  10410. {
  10411. struct bnx2x *bp = params->bp;
  10412. vars->link_up = 1;
  10413. vars->line_speed = SPEED_10000;
  10414. vars->duplex = DUPLEX_FULL;
  10415. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10416. vars->mac_type = MAC_TYPE_BMAC;
  10417. vars->phy_flags = PHY_XGXS_FLAG;
  10418. bnx2x_xgxs_deassert(params);
  10419. /* set bmac loopback */
  10420. bnx2x_bmac_enable(params, vars, 1);
  10421. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10422. }
  10423. void bnx2x_init_emac_loopback(struct link_params *params,
  10424. struct link_vars *vars)
  10425. {
  10426. struct bnx2x *bp = params->bp;
  10427. vars->link_up = 1;
  10428. vars->line_speed = SPEED_1000;
  10429. vars->duplex = DUPLEX_FULL;
  10430. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10431. vars->mac_type = MAC_TYPE_EMAC;
  10432. vars->phy_flags = PHY_XGXS_FLAG;
  10433. bnx2x_xgxs_deassert(params);
  10434. /* set bmac loopback */
  10435. bnx2x_emac_enable(params, vars, 1);
  10436. bnx2x_emac_program(params, vars);
  10437. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10438. }
  10439. void bnx2x_init_xmac_loopback(struct link_params *params,
  10440. struct link_vars *vars)
  10441. {
  10442. struct bnx2x *bp = params->bp;
  10443. vars->link_up = 1;
  10444. if (!params->req_line_speed[0])
  10445. vars->line_speed = SPEED_10000;
  10446. else
  10447. vars->line_speed = params->req_line_speed[0];
  10448. vars->duplex = DUPLEX_FULL;
  10449. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10450. vars->mac_type = MAC_TYPE_XMAC;
  10451. vars->phy_flags = PHY_XGXS_FLAG;
  10452. /*
  10453. * Set WC to loopback mode since link is required to provide clock
  10454. * to the XMAC in 20G mode
  10455. */
  10456. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10457. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10458. params->phy[INT_PHY].config_loopback(
  10459. &params->phy[INT_PHY],
  10460. params);
  10461. bnx2x_xmac_enable(params, vars, 1);
  10462. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10463. }
  10464. void bnx2x_init_umac_loopback(struct link_params *params,
  10465. struct link_vars *vars)
  10466. {
  10467. struct bnx2x *bp = params->bp;
  10468. vars->link_up = 1;
  10469. vars->line_speed = SPEED_1000;
  10470. vars->duplex = DUPLEX_FULL;
  10471. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10472. vars->mac_type = MAC_TYPE_UMAC;
  10473. vars->phy_flags = PHY_XGXS_FLAG;
  10474. bnx2x_umac_enable(params, vars, 1);
  10475. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10476. }
  10477. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10478. struct link_vars *vars)
  10479. {
  10480. struct bnx2x *bp = params->bp;
  10481. vars->link_up = 1;
  10482. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10483. vars->duplex = DUPLEX_FULL;
  10484. if (params->req_line_speed[0] == SPEED_1000)
  10485. vars->line_speed = SPEED_1000;
  10486. else
  10487. vars->line_speed = SPEED_10000;
  10488. if (!USES_WARPCORE(bp))
  10489. bnx2x_xgxs_deassert(params);
  10490. bnx2x_link_initialize(params, vars);
  10491. if (params->req_line_speed[0] == SPEED_1000) {
  10492. if (USES_WARPCORE(bp))
  10493. bnx2x_umac_enable(params, vars, 0);
  10494. else {
  10495. bnx2x_emac_program(params, vars);
  10496. bnx2x_emac_enable(params, vars, 0);
  10497. }
  10498. } else {
  10499. if (USES_WARPCORE(bp))
  10500. bnx2x_xmac_enable(params, vars, 0);
  10501. else
  10502. bnx2x_bmac_enable(params, vars, 0);
  10503. }
  10504. if (params->loopback_mode == LOOPBACK_XGXS) {
  10505. /* set 10G XGXS loopback */
  10506. params->phy[INT_PHY].config_loopback(
  10507. &params->phy[INT_PHY],
  10508. params);
  10509. } else {
  10510. /* set external phy loopback */
  10511. u8 phy_index;
  10512. for (phy_index = EXT_PHY1;
  10513. phy_index < params->num_phys; phy_index++) {
  10514. if (params->phy[phy_index].config_loopback)
  10515. params->phy[phy_index].config_loopback(
  10516. &params->phy[phy_index],
  10517. params);
  10518. }
  10519. }
  10520. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10521. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10522. }
  10523. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10524. {
  10525. struct bnx2x *bp = params->bp;
  10526. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10527. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10528. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10529. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10530. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10531. vars->link_status = 0;
  10532. vars->phy_link_up = 0;
  10533. vars->link_up = 0;
  10534. vars->line_speed = 0;
  10535. vars->duplex = DUPLEX_FULL;
  10536. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10537. vars->mac_type = MAC_TYPE_NONE;
  10538. vars->phy_flags = 0;
  10539. /* disable attentions */
  10540. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10541. (NIG_MASK_XGXS0_LINK_STATUS |
  10542. NIG_MASK_XGXS0_LINK10G |
  10543. NIG_MASK_SERDES0_LINK_STATUS |
  10544. NIG_MASK_MI_INT));
  10545. bnx2x_emac_init(params, vars);
  10546. if (params->num_phys == 0) {
  10547. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10548. return -EINVAL;
  10549. }
  10550. set_phy_vars(params, vars);
  10551. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10552. switch (params->loopback_mode) {
  10553. case LOOPBACK_BMAC:
  10554. bnx2x_init_bmac_loopback(params, vars);
  10555. break;
  10556. case LOOPBACK_EMAC:
  10557. bnx2x_init_emac_loopback(params, vars);
  10558. break;
  10559. case LOOPBACK_XMAC:
  10560. bnx2x_init_xmac_loopback(params, vars);
  10561. break;
  10562. case LOOPBACK_UMAC:
  10563. bnx2x_init_umac_loopback(params, vars);
  10564. break;
  10565. case LOOPBACK_XGXS:
  10566. case LOOPBACK_EXT_PHY:
  10567. bnx2x_init_xgxs_loopback(params, vars);
  10568. break;
  10569. default:
  10570. if (!CHIP_IS_E3(bp)) {
  10571. if (params->switch_cfg == SWITCH_CFG_10G)
  10572. bnx2x_xgxs_deassert(params);
  10573. else
  10574. bnx2x_serdes_deassert(bp, params->port);
  10575. }
  10576. bnx2x_link_initialize(params, vars);
  10577. msleep(30);
  10578. bnx2x_link_int_enable(params);
  10579. break;
  10580. }
  10581. return 0;
  10582. }
  10583. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10584. u8 reset_ext_phy)
  10585. {
  10586. struct bnx2x *bp = params->bp;
  10587. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10588. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10589. /* disable attentions */
  10590. vars->link_status = 0;
  10591. bnx2x_update_mng(params, vars->link_status);
  10592. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10593. (NIG_MASK_XGXS0_LINK_STATUS |
  10594. NIG_MASK_XGXS0_LINK10G |
  10595. NIG_MASK_SERDES0_LINK_STATUS |
  10596. NIG_MASK_MI_INT));
  10597. /* activate nig drain */
  10598. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10599. /* disable nig egress interface */
  10600. if (!CHIP_IS_E3(bp)) {
  10601. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10602. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10603. }
  10604. /* Stop BigMac rx */
  10605. if (!CHIP_IS_E3(bp))
  10606. bnx2x_bmac_rx_disable(bp, port);
  10607. else {
  10608. bnx2x_xmac_disable(params);
  10609. bnx2x_umac_disable(params);
  10610. }
  10611. /* disable emac */
  10612. if (!CHIP_IS_E3(bp))
  10613. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10614. msleep(10);
  10615. /* The PHY reset is controlled by GPIO 1
  10616. * Hold it as vars low
  10617. */
  10618. /* clear link led */
  10619. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10620. if (reset_ext_phy) {
  10621. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10622. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10623. phy_index++) {
  10624. if (params->phy[phy_index].link_reset) {
  10625. bnx2x_set_aer_mmd(params,
  10626. &params->phy[phy_index]);
  10627. params->phy[phy_index].link_reset(
  10628. &params->phy[phy_index],
  10629. params);
  10630. }
  10631. if (params->phy[phy_index].flags &
  10632. FLAGS_REARM_LATCH_SIGNAL)
  10633. clear_latch_ind = 1;
  10634. }
  10635. }
  10636. if (clear_latch_ind) {
  10637. /* Clear latching indication */
  10638. bnx2x_rearm_latch_signal(bp, port, 0);
  10639. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10640. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10641. }
  10642. if (params->phy[INT_PHY].link_reset)
  10643. params->phy[INT_PHY].link_reset(
  10644. &params->phy[INT_PHY], params);
  10645. /* disable nig ingress interface */
  10646. if (!CHIP_IS_E3(bp)) {
  10647. /* reset BigMac */
  10648. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10649. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10650. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10651. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10652. } else {
  10653. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10654. bnx2x_set_xumac_nig(params, 0, 0);
  10655. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10656. MISC_REGISTERS_RESET_REG_2_XMAC)
  10657. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10658. XMAC_CTRL_REG_SOFT_RESET);
  10659. }
  10660. vars->link_up = 0;
  10661. vars->phy_flags = 0;
  10662. return 0;
  10663. }
  10664. /****************************************************************************/
  10665. /* Common function */
  10666. /****************************************************************************/
  10667. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10668. u32 shmem_base_path[],
  10669. u32 shmem2_base_path[], u8 phy_index,
  10670. u32 chip_id)
  10671. {
  10672. struct bnx2x_phy phy[PORT_MAX];
  10673. struct bnx2x_phy *phy_blk[PORT_MAX];
  10674. u16 val;
  10675. s8 port = 0;
  10676. s8 port_of_path = 0;
  10677. u32 swap_val, swap_override;
  10678. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10679. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10680. port ^= (swap_val && swap_override);
  10681. bnx2x_ext_phy_hw_reset(bp, port);
  10682. /* PART1 - Reset both phys */
  10683. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10684. u32 shmem_base, shmem2_base;
  10685. /* In E2, same phy is using for port0 of the two paths */
  10686. if (CHIP_IS_E1x(bp)) {
  10687. shmem_base = shmem_base_path[0];
  10688. shmem2_base = shmem2_base_path[0];
  10689. port_of_path = port;
  10690. } else {
  10691. shmem_base = shmem_base_path[port];
  10692. shmem2_base = shmem2_base_path[port];
  10693. port_of_path = 0;
  10694. }
  10695. /* Extract the ext phy address for the port */
  10696. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10697. port_of_path, &phy[port]) !=
  10698. 0) {
  10699. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10700. return -EINVAL;
  10701. }
  10702. /* disable attentions */
  10703. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10704. port_of_path*4,
  10705. (NIG_MASK_XGXS0_LINK_STATUS |
  10706. NIG_MASK_XGXS0_LINK10G |
  10707. NIG_MASK_SERDES0_LINK_STATUS |
  10708. NIG_MASK_MI_INT));
  10709. /* Need to take the phy out of low power mode in order
  10710. to write to access its registers */
  10711. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10712. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10713. port);
  10714. /* Reset the phy */
  10715. bnx2x_cl45_write(bp, &phy[port],
  10716. MDIO_PMA_DEVAD,
  10717. MDIO_PMA_REG_CTRL,
  10718. 1<<15);
  10719. }
  10720. /* Add delay of 150ms after reset */
  10721. msleep(150);
  10722. if (phy[PORT_0].addr & 0x1) {
  10723. phy_blk[PORT_0] = &(phy[PORT_1]);
  10724. phy_blk[PORT_1] = &(phy[PORT_0]);
  10725. } else {
  10726. phy_blk[PORT_0] = &(phy[PORT_0]);
  10727. phy_blk[PORT_1] = &(phy[PORT_1]);
  10728. }
  10729. /* PART2 - Download firmware to both phys */
  10730. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10731. if (CHIP_IS_E1x(bp))
  10732. port_of_path = port;
  10733. else
  10734. port_of_path = 0;
  10735. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10736. phy_blk[port]->addr);
  10737. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10738. port_of_path))
  10739. return -EINVAL;
  10740. /* Only set bit 10 = 1 (Tx power down) */
  10741. bnx2x_cl45_read(bp, phy_blk[port],
  10742. MDIO_PMA_DEVAD,
  10743. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10744. /* Phase1 of TX_POWER_DOWN reset */
  10745. bnx2x_cl45_write(bp, phy_blk[port],
  10746. MDIO_PMA_DEVAD,
  10747. MDIO_PMA_REG_TX_POWER_DOWN,
  10748. (val | 1<<10));
  10749. }
  10750. /*
  10751. * Toggle Transmitter: Power down and then up with 600ms delay
  10752. * between
  10753. */
  10754. msleep(600);
  10755. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10756. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10757. /* Phase2 of POWER_DOWN_RESET */
  10758. /* Release bit 10 (Release Tx power down) */
  10759. bnx2x_cl45_read(bp, phy_blk[port],
  10760. MDIO_PMA_DEVAD,
  10761. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10762. bnx2x_cl45_write(bp, phy_blk[port],
  10763. MDIO_PMA_DEVAD,
  10764. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10765. msleep(15);
  10766. /* Read modify write the SPI-ROM version select register */
  10767. bnx2x_cl45_read(bp, phy_blk[port],
  10768. MDIO_PMA_DEVAD,
  10769. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10770. bnx2x_cl45_write(bp, phy_blk[port],
  10771. MDIO_PMA_DEVAD,
  10772. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10773. /* set GPIO2 back to LOW */
  10774. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10775. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10776. }
  10777. return 0;
  10778. }
  10779. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10780. u32 shmem_base_path[],
  10781. u32 shmem2_base_path[], u8 phy_index,
  10782. u32 chip_id)
  10783. {
  10784. u32 val;
  10785. s8 port;
  10786. struct bnx2x_phy phy;
  10787. /* Use port1 because of the static port-swap */
  10788. /* Enable the module detection interrupt */
  10789. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10790. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10791. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10792. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10793. bnx2x_ext_phy_hw_reset(bp, 0);
  10794. msleep(5);
  10795. for (port = 0; port < PORT_MAX; port++) {
  10796. u32 shmem_base, shmem2_base;
  10797. /* In E2, same phy is using for port0 of the two paths */
  10798. if (CHIP_IS_E1x(bp)) {
  10799. shmem_base = shmem_base_path[0];
  10800. shmem2_base = shmem2_base_path[0];
  10801. } else {
  10802. shmem_base = shmem_base_path[port];
  10803. shmem2_base = shmem2_base_path[port];
  10804. }
  10805. /* Extract the ext phy address for the port */
  10806. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10807. port, &phy) !=
  10808. 0) {
  10809. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10810. return -EINVAL;
  10811. }
  10812. /* Reset phy*/
  10813. bnx2x_cl45_write(bp, &phy,
  10814. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10815. /* Set fault module detected LED on */
  10816. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10817. MISC_REGISTERS_GPIO_HIGH,
  10818. port);
  10819. }
  10820. return 0;
  10821. }
  10822. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10823. u8 *io_gpio, u8 *io_port)
  10824. {
  10825. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10826. offsetof(struct shmem_region,
  10827. dev_info.port_hw_config[PORT_0].default_cfg));
  10828. switch (phy_gpio_reset) {
  10829. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10830. *io_gpio = 0;
  10831. *io_port = 0;
  10832. break;
  10833. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10834. *io_gpio = 1;
  10835. *io_port = 0;
  10836. break;
  10837. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10838. *io_gpio = 2;
  10839. *io_port = 0;
  10840. break;
  10841. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10842. *io_gpio = 3;
  10843. *io_port = 0;
  10844. break;
  10845. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10846. *io_gpio = 0;
  10847. *io_port = 1;
  10848. break;
  10849. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10850. *io_gpio = 1;
  10851. *io_port = 1;
  10852. break;
  10853. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10854. *io_gpio = 2;
  10855. *io_port = 1;
  10856. break;
  10857. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10858. *io_gpio = 3;
  10859. *io_port = 1;
  10860. break;
  10861. default:
  10862. /* Don't override the io_gpio and io_port */
  10863. break;
  10864. }
  10865. }
  10866. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10867. u32 shmem_base_path[],
  10868. u32 shmem2_base_path[], u8 phy_index,
  10869. u32 chip_id)
  10870. {
  10871. s8 port, reset_gpio;
  10872. u32 swap_val, swap_override;
  10873. struct bnx2x_phy phy[PORT_MAX];
  10874. struct bnx2x_phy *phy_blk[PORT_MAX];
  10875. s8 port_of_path;
  10876. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10877. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10878. reset_gpio = MISC_REGISTERS_GPIO_1;
  10879. port = 1;
  10880. /*
  10881. * Retrieve the reset gpio/port which control the reset.
  10882. * Default is GPIO1, PORT1
  10883. */
  10884. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10885. (u8 *)&reset_gpio, (u8 *)&port);
  10886. /* Calculate the port based on port swap */
  10887. port ^= (swap_val && swap_override);
  10888. /* Initiate PHY reset*/
  10889. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10890. port);
  10891. msleep(1);
  10892. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10893. port);
  10894. msleep(5);
  10895. /* PART1 - Reset both phys */
  10896. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10897. u32 shmem_base, shmem2_base;
  10898. /* In E2, same phy is using for port0 of the two paths */
  10899. if (CHIP_IS_E1x(bp)) {
  10900. shmem_base = shmem_base_path[0];
  10901. shmem2_base = shmem2_base_path[0];
  10902. port_of_path = port;
  10903. } else {
  10904. shmem_base = shmem_base_path[port];
  10905. shmem2_base = shmem2_base_path[port];
  10906. port_of_path = 0;
  10907. }
  10908. /* Extract the ext phy address for the port */
  10909. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10910. port_of_path, &phy[port]) !=
  10911. 0) {
  10912. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10913. return -EINVAL;
  10914. }
  10915. /* disable attentions */
  10916. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10917. port_of_path*4,
  10918. (NIG_MASK_XGXS0_LINK_STATUS |
  10919. NIG_MASK_XGXS0_LINK10G |
  10920. NIG_MASK_SERDES0_LINK_STATUS |
  10921. NIG_MASK_MI_INT));
  10922. /* Reset the phy */
  10923. bnx2x_cl45_write(bp, &phy[port],
  10924. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10925. }
  10926. /* Add delay of 150ms after reset */
  10927. msleep(150);
  10928. if (phy[PORT_0].addr & 0x1) {
  10929. phy_blk[PORT_0] = &(phy[PORT_1]);
  10930. phy_blk[PORT_1] = &(phy[PORT_0]);
  10931. } else {
  10932. phy_blk[PORT_0] = &(phy[PORT_0]);
  10933. phy_blk[PORT_1] = &(phy[PORT_1]);
  10934. }
  10935. /* PART2 - Download firmware to both phys */
  10936. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10937. if (CHIP_IS_E1x(bp))
  10938. port_of_path = port;
  10939. else
  10940. port_of_path = 0;
  10941. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10942. phy_blk[port]->addr);
  10943. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10944. port_of_path))
  10945. return -EINVAL;
  10946. /* Disable PHY transmitter output */
  10947. bnx2x_cl45_write(bp, phy_blk[port],
  10948. MDIO_PMA_DEVAD,
  10949. MDIO_PMA_REG_TX_DISABLE, 1);
  10950. }
  10951. return 0;
  10952. }
  10953. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10954. u32 shmem2_base_path[], u8 phy_index,
  10955. u32 ext_phy_type, u32 chip_id)
  10956. {
  10957. int rc = 0;
  10958. switch (ext_phy_type) {
  10959. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10960. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10961. shmem2_base_path,
  10962. phy_index, chip_id);
  10963. break;
  10964. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10965. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10966. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10967. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10968. shmem2_base_path,
  10969. phy_index, chip_id);
  10970. break;
  10971. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10972. /*
  10973. * GPIO1 affects both ports, so there's need to pull
  10974. * it for single port alone
  10975. */
  10976. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10977. shmem2_base_path,
  10978. phy_index, chip_id);
  10979. break;
  10980. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10981. /*
  10982. * GPIO3's are linked, and so both need to be toggled
  10983. * to obtain required 2us pulse.
  10984. */
  10985. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10986. break;
  10987. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10988. rc = -EINVAL;
  10989. break;
  10990. default:
  10991. DP(NETIF_MSG_LINK,
  10992. "ext_phy 0x%x common init not required\n",
  10993. ext_phy_type);
  10994. break;
  10995. }
  10996. if (rc != 0)
  10997. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10998. " Port %d\n",
  10999. 0);
  11000. return rc;
  11001. }
  11002. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11003. u32 shmem2_base_path[], u32 chip_id)
  11004. {
  11005. int rc = 0;
  11006. u32 phy_ver, val;
  11007. u8 phy_index = 0;
  11008. u32 ext_phy_type, ext_phy_config;
  11009. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11010. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11011. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11012. if (CHIP_IS_E3(bp)) {
  11013. /* Enable EPIO */
  11014. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11015. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11016. }
  11017. /* Check if common init was already done */
  11018. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11019. offsetof(struct shmem_region,
  11020. port_mb[PORT_0].ext_phy_fw_version));
  11021. if (phy_ver) {
  11022. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11023. phy_ver);
  11024. return 0;
  11025. }
  11026. /* Read the ext_phy_type for arbitrary port(0) */
  11027. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11028. phy_index++) {
  11029. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11030. shmem_base_path[0],
  11031. phy_index, 0);
  11032. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11033. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11034. shmem2_base_path,
  11035. phy_index, ext_phy_type,
  11036. chip_id);
  11037. }
  11038. return rc;
  11039. }
  11040. static void bnx2x_check_over_curr(struct link_params *params,
  11041. struct link_vars *vars)
  11042. {
  11043. struct bnx2x *bp = params->bp;
  11044. u32 cfg_pin;
  11045. u8 port = params->port;
  11046. u32 pin_val;
  11047. cfg_pin = (REG_RD(bp, params->shmem_base +
  11048. offsetof(struct shmem_region,
  11049. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11050. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11051. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11052. /* Ignore check if no external input PIN available */
  11053. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11054. return;
  11055. if (!pin_val) {
  11056. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11057. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11058. " been detected and the power to "
  11059. "that SFP+ module has been removed"
  11060. " to prevent failure of the card."
  11061. " Please remove the SFP+ module and"
  11062. " restart the system to clear this"
  11063. " error.\n",
  11064. params->port);
  11065. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11066. }
  11067. } else
  11068. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11069. }
  11070. static void bnx2x_analyze_link_error(struct link_params *params,
  11071. struct link_vars *vars, u32 lss_status)
  11072. {
  11073. struct bnx2x *bp = params->bp;
  11074. /* Compare new value with previous value */
  11075. u8 led_mode;
  11076. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11077. if ((lss_status ^ half_open_conn) == 0)
  11078. return;
  11079. /* If values differ */
  11080. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11081. half_open_conn, lss_status);
  11082. /*
  11083. * a. Update shmem->link_status accordingly
  11084. * b. Update link_vars->link_up
  11085. */
  11086. if (lss_status) {
  11087. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11088. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11089. vars->link_up = 0;
  11090. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11091. /*
  11092. * Set LED mode to off since the PHY doesn't know about these
  11093. * errors
  11094. */
  11095. led_mode = LED_MODE_OFF;
  11096. } else {
  11097. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11098. vars->link_status |= LINK_STATUS_LINK_UP;
  11099. vars->link_up = 1;
  11100. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11101. led_mode = LED_MODE_OPER;
  11102. }
  11103. /* Update the LED according to the link state */
  11104. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11105. /* Update link status in the shared memory */
  11106. bnx2x_update_mng(params, vars->link_status);
  11107. /* C. Trigger General Attention */
  11108. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11109. bnx2x_notify_link_changed(bp);
  11110. }
  11111. /******************************************************************************
  11112. * Description:
  11113. * This function checks for half opened connection change indication.
  11114. * When such change occurs, it calls the bnx2x_analyze_link_error
  11115. * to check if Remote Fault is set or cleared. Reception of remote fault
  11116. * status message in the MAC indicates that the peer's MAC has detected
  11117. * a fault, for example, due to break in the TX side of fiber.
  11118. *
  11119. ******************************************************************************/
  11120. static void bnx2x_check_half_open_conn(struct link_params *params,
  11121. struct link_vars *vars)
  11122. {
  11123. struct bnx2x *bp = params->bp;
  11124. u32 lss_status = 0;
  11125. u32 mac_base;
  11126. /* In case link status is physically up @ 10G do */
  11127. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11128. return;
  11129. if (CHIP_IS_E3(bp) &&
  11130. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11131. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11132. /* Check E3 XMAC */
  11133. /*
  11134. * Note that link speed cannot be queried here, since it may be
  11135. * zero while link is down. In case UMAC is active, LSS will
  11136. * simply not be set
  11137. */
  11138. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11139. /* Clear stick bits (Requires rising edge) */
  11140. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11141. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11142. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11143. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11144. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11145. lss_status = 1;
  11146. bnx2x_analyze_link_error(params, vars, lss_status);
  11147. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11148. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11149. /* Check E1X / E2 BMAC */
  11150. u32 lss_status_reg;
  11151. u32 wb_data[2];
  11152. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11153. NIG_REG_INGRESS_BMAC0_MEM;
  11154. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11155. if (CHIP_IS_E2(bp))
  11156. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11157. else
  11158. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11159. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11160. lss_status = (wb_data[0] > 0);
  11161. bnx2x_analyze_link_error(params, vars, lss_status);
  11162. }
  11163. }
  11164. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11165. {
  11166. struct bnx2x *bp = params->bp;
  11167. u16 phy_idx;
  11168. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11169. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11170. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11171. bnx2x_check_half_open_conn(params, vars);
  11172. break;
  11173. }
  11174. }
  11175. if (CHIP_IS_E3(bp)) {
  11176. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11177. bnx2x_set_aer_mmd(params, phy);
  11178. bnx2x_check_over_curr(params, vars);
  11179. bnx2x_warpcore_config_runtime(phy, params, vars);
  11180. }
  11181. }
  11182. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11183. {
  11184. u8 phy_index;
  11185. struct bnx2x_phy phy;
  11186. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11187. phy_index++) {
  11188. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11189. 0, &phy) != 0) {
  11190. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11191. return 0;
  11192. }
  11193. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11194. return 1;
  11195. }
  11196. return 0;
  11197. }
  11198. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11199. u32 shmem_base,
  11200. u32 shmem2_base,
  11201. u8 port)
  11202. {
  11203. u8 phy_index, fan_failure_det_req = 0;
  11204. struct bnx2x_phy phy;
  11205. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11206. phy_index++) {
  11207. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11208. port, &phy)
  11209. != 0) {
  11210. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11211. return 0;
  11212. }
  11213. fan_failure_det_req |= (phy.flags &
  11214. FLAGS_FAN_FAILURE_DET_REQ);
  11215. }
  11216. return fan_failure_det_req;
  11217. }
  11218. void bnx2x_hw_reset_phy(struct link_params *params)
  11219. {
  11220. u8 phy_index;
  11221. struct bnx2x *bp = params->bp;
  11222. bnx2x_update_mng(params, 0);
  11223. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11224. (NIG_MASK_XGXS0_LINK_STATUS |
  11225. NIG_MASK_XGXS0_LINK10G |
  11226. NIG_MASK_SERDES0_LINK_STATUS |
  11227. NIG_MASK_MI_INT));
  11228. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11229. phy_index++) {
  11230. if (params->phy[phy_index].hw_reset) {
  11231. params->phy[phy_index].hw_reset(
  11232. &params->phy[phy_index],
  11233. params);
  11234. params->phy[phy_index] = phy_null;
  11235. }
  11236. }
  11237. }
  11238. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11239. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11240. u8 port)
  11241. {
  11242. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11243. u32 val;
  11244. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11245. if (CHIP_IS_E3(bp)) {
  11246. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11247. shmem_base,
  11248. port,
  11249. &gpio_num,
  11250. &gpio_port) != 0)
  11251. return;
  11252. } else {
  11253. struct bnx2x_phy phy;
  11254. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11255. phy_index++) {
  11256. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11257. shmem2_base, port, &phy)
  11258. != 0) {
  11259. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11260. return;
  11261. }
  11262. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11263. gpio_num = MISC_REGISTERS_GPIO_3;
  11264. gpio_port = port;
  11265. break;
  11266. }
  11267. }
  11268. }
  11269. if (gpio_num == 0xff)
  11270. return;
  11271. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11272. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11273. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11274. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11275. gpio_port ^= (swap_val && swap_override);
  11276. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11277. (gpio_num + (gpio_port << 2));
  11278. sync_offset = shmem_base +
  11279. offsetof(struct shmem_region,
  11280. dev_info.port_hw_config[port].aeu_int_mask);
  11281. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11282. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11283. gpio_num, gpio_port, vars->aeu_int_mask);
  11284. if (port == 0)
  11285. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11286. else
  11287. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11288. /* Open appropriate AEU for interrupts */
  11289. aeu_mask = REG_RD(bp, offset);
  11290. aeu_mask |= vars->aeu_int_mask;
  11291. REG_WR(bp, offset, aeu_mask);
  11292. /* Enable the GPIO to trigger interrupt */
  11293. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11294. val |= 1 << (gpio_num + (gpio_port << 2));
  11295. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11296. }