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. struct bnx2x_ets_params *ets_params,
  769. u16 *total_bw)
  770. {
  771. struct bnx2x *bp = params->bp;
  772. u8 cos_idx = 0;
  773. u8 is_bw_cos_exist = 0;
  774. *total_bw = 0 ;
  775. /* Calculate total BW requested */
  776. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  777. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  778. is_bw_cos_exist = 1;
  779. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  780. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  781. "was set to 0\n");
  782. /*
  783. * This is to prevent a state when ramrods
  784. * can't be sent
  785. */
  786. ets_params->cos[cos_idx].params.bw_params.bw
  787. = 1;
  788. }
  789. *total_bw +=
  790. ets_params->cos[cos_idx].params.bw_params.bw;
  791. }
  792. }
  793. /* Check total BW is valid */
  794. if ((1 == is_bw_cos_exist) && (100 != *total_bw)) {
  795. if (0 == *total_bw) {
  796. DP(NETIF_MSG_LINK,
  797. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  798. return -EINVAL;
  799. }
  800. DP(NETIF_MSG_LINK,
  801. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  802. /**
  803. * We can handle a case whre the BW isn't 100 this can happen
  804. * if the TC are joined.
  805. */
  806. }
  807. return 0;
  808. }
  809. /******************************************************************************
  810. * Description:
  811. * Invalidate all the sp_pri_to_cos.
  812. *.
  813. ******************************************************************************/
  814. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  815. {
  816. u8 pri = 0;
  817. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  818. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  819. }
  820. /******************************************************************************
  821. * Description:
  822. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  823. * according to sp_pri_to_cos.
  824. *.
  825. ******************************************************************************/
  826. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  827. u8 *sp_pri_to_cos, const u8 pri,
  828. const u8 cos_entry)
  829. {
  830. struct bnx2x *bp = params->bp;
  831. const u8 port = params->port;
  832. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  833. DCBX_E3B0_MAX_NUM_COS_PORT0;
  834. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  835. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  836. "parameter There can't be two COS's with "
  837. "the same strict pri\n");
  838. return -EINVAL;
  839. }
  840. if (pri > max_num_of_cos) {
  841. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  842. "parameter Illegal strict priority\n");
  843. return -EINVAL;
  844. }
  845. sp_pri_to_cos[pri] = cos_entry;
  846. return 0;
  847. }
  848. /******************************************************************************
  849. * Description:
  850. * Returns the correct value according to COS and priority in
  851. * the sp_pri_cli register.
  852. *.
  853. ******************************************************************************/
  854. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  855. const u8 pri_set,
  856. const u8 pri_offset,
  857. const u8 entry_size)
  858. {
  859. u64 pri_cli_nig = 0;
  860. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  861. (pri_set + pri_offset));
  862. return pri_cli_nig;
  863. }
  864. /******************************************************************************
  865. * Description:
  866. * Returns the correct value according to COS and priority in the
  867. * sp_pri_cli register for NIG.
  868. *.
  869. ******************************************************************************/
  870. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  871. {
  872. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  873. const u8 nig_cos_offset = 3;
  874. const u8 nig_pri_offset = 3;
  875. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  876. nig_pri_offset, 4);
  877. }
  878. /******************************************************************************
  879. * Description:
  880. * Returns the correct value according to COS and priority in the
  881. * sp_pri_cli register for PBF.
  882. *.
  883. ******************************************************************************/
  884. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  885. {
  886. const u8 pbf_cos_offset = 0;
  887. const u8 pbf_pri_offset = 0;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  889. pbf_pri_offset, 3);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  894. * according to sp_pri_to_cos.(which COS has higher priority)
  895. *.
  896. ******************************************************************************/
  897. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  898. u8 *sp_pri_to_cos)
  899. {
  900. struct bnx2x *bp = params->bp;
  901. u8 i = 0;
  902. const u8 port = params->port;
  903. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  904. u64 pri_cli_nig = 0x210;
  905. u32 pri_cli_pbf = 0x0;
  906. u8 pri_set = 0;
  907. u8 pri_bitmask = 0;
  908. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  909. DCBX_E3B0_MAX_NUM_COS_PORT0;
  910. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  911. /* Set all the strict priority first */
  912. for (i = 0; i < max_num_of_cos; i++) {
  913. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  914. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  915. DP(NETIF_MSG_LINK,
  916. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  917. "invalid cos entry\n");
  918. return -EINVAL;
  919. }
  920. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  921. sp_pri_to_cos[i], pri_set);
  922. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  923. sp_pri_to_cos[i], pri_set);
  924. pri_bitmask = 1 << sp_pri_to_cos[i];
  925. /* COS is used remove it from bitmap.*/
  926. if (0 == (pri_bitmask & cos_bit_to_set)) {
  927. DP(NETIF_MSG_LINK,
  928. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  929. "invalid There can't be two COS's with"
  930. " the same strict pri\n");
  931. return -EINVAL;
  932. }
  933. cos_bit_to_set &= ~pri_bitmask;
  934. pri_set++;
  935. }
  936. }
  937. /* Set all the Non strict priority i= COS*/
  938. for (i = 0; i < max_num_of_cos; i++) {
  939. pri_bitmask = 1 << i;
  940. /* Check if COS was already used for SP */
  941. if (pri_bitmask & cos_bit_to_set) {
  942. /* COS wasn't used for SP */
  943. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  944. i, pri_set);
  945. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  946. i, pri_set);
  947. /* COS is used remove it from bitmap.*/
  948. cos_bit_to_set &= ~pri_bitmask;
  949. pri_set++;
  950. }
  951. }
  952. if (pri_set != max_num_of_cos) {
  953. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  954. "entries were set\n");
  955. return -EINVAL;
  956. }
  957. if (port) {
  958. /* Only 6 usable clients*/
  959. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  960. (u32)pri_cli_nig);
  961. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  962. } else {
  963. /* Only 9 usable clients*/
  964. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  965. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  966. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  967. pri_cli_nig_lsb);
  968. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  969. pri_cli_nig_msb);
  970. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  971. }
  972. return 0;
  973. }
  974. /******************************************************************************
  975. * Description:
  976. * Configure the COS to ETS according to BW and SP settings.
  977. ******************************************************************************/
  978. int bnx2x_ets_e3b0_config(const struct link_params *params,
  979. const struct link_vars *vars,
  980. struct bnx2x_ets_params *ets_params)
  981. {
  982. struct bnx2x *bp = params->bp;
  983. int bnx2x_status = 0;
  984. const u8 port = params->port;
  985. u16 total_bw = 0;
  986. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  987. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  988. u8 cos_bw_bitmap = 0;
  989. u8 cos_sp_bitmap = 0;
  990. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  991. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  992. DCBX_E3B0_MAX_NUM_COS_PORT0;
  993. u8 cos_entry = 0;
  994. if (!CHIP_IS_E3B0(bp)) {
  995. DP(NETIF_MSG_LINK,
  996. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  997. return -EINVAL;
  998. }
  999. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1000. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1001. "isn't supported\n");
  1002. return -EINVAL;
  1003. }
  1004. /* Prepare sp strict priority parameters*/
  1005. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1006. /* Prepare BW parameters*/
  1007. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1008. &total_bw);
  1009. if (0 != bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1012. return -EINVAL;
  1013. }
  1014. /**
  1015. * Upper bound is set according to current link speed (min_w_val
  1016. * should be the same for upper bound and COS credit val).
  1017. */
  1018. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1019. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1020. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1021. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1022. cos_bw_bitmap |= (1 << cos_entry);
  1023. /**
  1024. * The function also sets the BW in HW(not the mappin
  1025. * yet)
  1026. */
  1027. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1028. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1029. total_bw,
  1030. ets_params->cos[cos_entry].params.bw_params.bw,
  1031. port);
  1032. } else if (bnx2x_cos_state_strict ==
  1033. ets_params->cos[cos_entry].state){
  1034. cos_sp_bitmap |= (1 << cos_entry);
  1035. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1036. params,
  1037. sp_pri_to_cos,
  1038. ets_params->cos[cos_entry].params.sp_params.pri,
  1039. cos_entry);
  1040. } else {
  1041. DP(NETIF_MSG_LINK,
  1042. "bnx2x_ets_e3b0_config cos state not valid\n");
  1043. return -EINVAL;
  1044. }
  1045. if (0 != bnx2x_status) {
  1046. DP(NETIF_MSG_LINK,
  1047. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1048. return bnx2x_status;
  1049. }
  1050. }
  1051. /* Set SP register (which COS has higher priority) */
  1052. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1053. sp_pri_to_cos);
  1054. if (0 != bnx2x_status) {
  1055. DP(NETIF_MSG_LINK,
  1056. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1057. return bnx2x_status;
  1058. }
  1059. /* Set client mapping of BW and strict */
  1060. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1061. cos_sp_bitmap,
  1062. cos_bw_bitmap);
  1063. if (0 != bnx2x_status) {
  1064. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1065. return bnx2x_status;
  1066. }
  1067. return 0;
  1068. }
  1069. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1070. {
  1071. /* ETS disabled configuration */
  1072. struct bnx2x *bp = params->bp;
  1073. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1074. /*
  1075. * defines which entries (clients) are subjected to WFQ arbitration
  1076. * COS0 0x8
  1077. * COS1 0x10
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1080. /*
  1081. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1082. * client numbers (WEIGHT_0 does not actually have to represent
  1083. * client 0)
  1084. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1085. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1086. */
  1087. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1088. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1089. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1090. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1091. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1092. /* ETS mode enabled*/
  1093. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1094. /* Defines the number of consecutive slots for the strict priority */
  1095. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1096. /*
  1097. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1098. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1099. * entry, 4 - COS1 entry.
  1100. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1101. * bit4 bit3 bit2 bit1 bit0
  1102. * MCP and debug are strict
  1103. */
  1104. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1105. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1106. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1107. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1108. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1109. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1110. }
  1111. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1112. const u32 cos1_bw)
  1113. {
  1114. /* ETS disabled configuration*/
  1115. struct bnx2x *bp = params->bp;
  1116. const u32 total_bw = cos0_bw + cos1_bw;
  1117. u32 cos0_credit_weight = 0;
  1118. u32 cos1_credit_weight = 0;
  1119. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1120. if ((0 == total_bw) ||
  1121. (0 == cos0_bw) ||
  1122. (0 == cos1_bw)) {
  1123. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1124. return;
  1125. }
  1126. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1127. total_bw;
  1128. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1129. total_bw;
  1130. bnx2x_ets_bw_limit_common(params);
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1132. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1133. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1134. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1135. }
  1136. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1137. {
  1138. /* ETS disabled configuration*/
  1139. struct bnx2x *bp = params->bp;
  1140. u32 val = 0;
  1141. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1142. /*
  1143. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1144. * as strict. Bits 0,1,2 - debug and management entries,
  1145. * 3 - COS0 entry, 4 - COS1 entry.
  1146. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1147. * bit4 bit3 bit2 bit1 bit0
  1148. * MCP and debug are strict
  1149. */
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1151. /*
  1152. * For strict priority entries defines the number of consecutive slots
  1153. * for the highest priority.
  1154. */
  1155. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1156. /* ETS mode disable */
  1157. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1158. /* Defines the number of consecutive slots for the strict priority */
  1159. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1160. /* Defines the number of consecutive slots for the strict priority */
  1161. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1162. /*
  1163. * mapping between entry priority to client number (0,1,2 -debug and
  1164. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1165. * 3bits client num.
  1166. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1167. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1168. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1169. */
  1170. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1171. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1172. return 0;
  1173. }
  1174. /******************************************************************/
  1175. /* PFC section */
  1176. /******************************************************************/
  1177. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1178. struct link_vars *vars,
  1179. u8 is_lb)
  1180. {
  1181. struct bnx2x *bp = params->bp;
  1182. u32 xmac_base;
  1183. u32 pause_val, pfc0_val, pfc1_val;
  1184. /* XMAC base adrr */
  1185. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1186. /* Initialize pause and pfc registers */
  1187. pause_val = 0x18000;
  1188. pfc0_val = 0xFFFF8000;
  1189. pfc1_val = 0x2;
  1190. /* No PFC support */
  1191. if (!(params->feature_config_flags &
  1192. FEATURE_CONFIG_PFC_ENABLED)) {
  1193. /*
  1194. * RX flow control - Process pause frame in receive direction
  1195. */
  1196. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1197. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1198. /*
  1199. * TX flow control - Send pause packet when buffer is full
  1200. */
  1201. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1202. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1203. } else {/* PFC support */
  1204. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1205. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1206. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1207. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1208. }
  1209. /* Write pause and PFC registers */
  1210. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1211. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1212. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1213. /* Set MAC address for source TX Pause/PFC frames */
  1214. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1215. ((params->mac_addr[2] << 24) |
  1216. (params->mac_addr[3] << 16) |
  1217. (params->mac_addr[4] << 8) |
  1218. (params->mac_addr[5])));
  1219. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1220. ((params->mac_addr[0] << 8) |
  1221. (params->mac_addr[1])));
  1222. udelay(30);
  1223. }
  1224. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1225. u32 pfc_frames_sent[2],
  1226. u32 pfc_frames_received[2])
  1227. {
  1228. /* Read pfc statistic */
  1229. struct bnx2x *bp = params->bp;
  1230. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1231. u32 val_xon = 0;
  1232. u32 val_xoff = 0;
  1233. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1234. /* PFC received frames */
  1235. val_xoff = REG_RD(bp, emac_base +
  1236. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1237. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1238. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1239. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1240. pfc_frames_received[0] = val_xon + val_xoff;
  1241. /* PFC received sent */
  1242. val_xoff = REG_RD(bp, emac_base +
  1243. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1244. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1245. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1246. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1247. pfc_frames_sent[0] = val_xon + val_xoff;
  1248. }
  1249. /* Read pfc statistic*/
  1250. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1251. u32 pfc_frames_sent[2],
  1252. u32 pfc_frames_received[2])
  1253. {
  1254. /* Read pfc statistic */
  1255. struct bnx2x *bp = params->bp;
  1256. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1257. if (!vars->link_up)
  1258. return;
  1259. if (MAC_TYPE_EMAC == vars->mac_type) {
  1260. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1261. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1262. pfc_frames_received);
  1263. }
  1264. }
  1265. /******************************************************************/
  1266. /* MAC/PBF section */
  1267. /******************************************************************/
  1268. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1269. {
  1270. u32 mode, emac_base;
  1271. /**
  1272. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1273. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1274. */
  1275. if (CHIP_IS_E2(bp))
  1276. emac_base = GRCBASE_EMAC0;
  1277. else
  1278. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1279. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1280. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1281. EMAC_MDIO_MODE_CLOCK_CNT);
  1282. if (USES_WARPCORE(bp))
  1283. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1284. else
  1285. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1286. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1287. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1288. udelay(40);
  1289. }
  1290. static void bnx2x_emac_init(struct link_params *params,
  1291. struct link_vars *vars)
  1292. {
  1293. /* reset and unreset the emac core */
  1294. struct bnx2x *bp = params->bp;
  1295. u8 port = params->port;
  1296. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1297. u32 val;
  1298. u16 timeout;
  1299. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1300. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1301. udelay(5);
  1302. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1303. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1304. /* init emac - use read-modify-write */
  1305. /* self clear reset */
  1306. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1307. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1308. timeout = 200;
  1309. do {
  1310. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1311. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1312. if (!timeout) {
  1313. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1314. return;
  1315. }
  1316. timeout--;
  1317. } while (val & EMAC_MODE_RESET);
  1318. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1319. /* Set mac address */
  1320. val = ((params->mac_addr[0] << 8) |
  1321. params->mac_addr[1]);
  1322. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1323. val = ((params->mac_addr[2] << 24) |
  1324. (params->mac_addr[3] << 16) |
  1325. (params->mac_addr[4] << 8) |
  1326. params->mac_addr[5]);
  1327. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1328. }
  1329. static void bnx2x_set_xumac_nig(struct link_params *params,
  1330. u16 tx_pause_en,
  1331. u8 enable)
  1332. {
  1333. struct bnx2x *bp = params->bp;
  1334. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1335. enable);
  1336. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1337. enable);
  1338. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1339. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1340. }
  1341. static void bnx2x_umac_disable(struct link_params *params)
  1342. {
  1343. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1344. struct bnx2x *bp = params->bp;
  1345. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1346. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1347. return;
  1348. /* Disable RX and TX */
  1349. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1350. }
  1351. static void bnx2x_umac_enable(struct link_params *params,
  1352. struct link_vars *vars, u8 lb)
  1353. {
  1354. u32 val;
  1355. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1356. struct bnx2x *bp = params->bp;
  1357. /* Reset UMAC */
  1358. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1359. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1360. usleep_range(1000, 1000);
  1361. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1362. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1363. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1364. /**
  1365. * This register determines on which events the MAC will assert
  1366. * error on the i/f to the NIG along w/ EOP.
  1367. */
  1368. /**
  1369. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1370. * params->port*0x14, 0xfffff.
  1371. */
  1372. /* This register opens the gate for the UMAC despite its name */
  1373. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1374. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1375. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1376. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1377. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1378. switch (vars->line_speed) {
  1379. case SPEED_10:
  1380. val |= (0<<2);
  1381. break;
  1382. case SPEED_100:
  1383. val |= (1<<2);
  1384. break;
  1385. case SPEED_1000:
  1386. val |= (2<<2);
  1387. break;
  1388. case SPEED_2500:
  1389. val |= (3<<2);
  1390. break;
  1391. default:
  1392. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1393. vars->line_speed);
  1394. break;
  1395. }
  1396. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1397. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1398. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1399. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1400. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1401. udelay(50);
  1402. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1403. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1404. ((params->mac_addr[2] << 24) |
  1405. (params->mac_addr[3] << 16) |
  1406. (params->mac_addr[4] << 8) |
  1407. (params->mac_addr[5])));
  1408. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1409. ((params->mac_addr[0] << 8) |
  1410. (params->mac_addr[1])));
  1411. /* Enable RX and TX */
  1412. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1413. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1414. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1415. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1416. udelay(50);
  1417. /* Remove SW Reset */
  1418. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1419. /* Check loopback mode */
  1420. if (lb)
  1421. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1422. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1423. /*
  1424. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1425. * length used by the MAC receive logic to check frames.
  1426. */
  1427. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1428. bnx2x_set_xumac_nig(params,
  1429. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1430. vars->mac_type = MAC_TYPE_UMAC;
  1431. }
  1432. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1433. {
  1434. u32 port4mode_ovwr_val;
  1435. /* Check 4-port override enabled */
  1436. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1437. if (port4mode_ovwr_val & (1<<0)) {
  1438. /* Return 4-port mode override value */
  1439. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1440. }
  1441. /* Return 4-port mode from input pin */
  1442. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1443. }
  1444. /* Define the XMAC mode */
  1445. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1446. {
  1447. struct bnx2x *bp = params->bp;
  1448. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1449. /**
  1450. * In 4-port mode, need to set the mode only once, so if XMAC is
  1451. * already out of reset, it means the mode has already been set,
  1452. * and it must not* reset the XMAC again, since it controls both
  1453. * ports of the path
  1454. **/
  1455. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1456. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1457. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1458. DP(NETIF_MSG_LINK,
  1459. "XMAC already out of reset in 4-port mode\n");
  1460. return;
  1461. }
  1462. /* Hard reset */
  1463. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1464. MISC_REGISTERS_RESET_REG_2_XMAC);
  1465. usleep_range(1000, 1000);
  1466. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1467. MISC_REGISTERS_RESET_REG_2_XMAC);
  1468. if (is_port4mode) {
  1469. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1470. /* Set the number of ports on the system side to up to 2 */
  1471. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1472. /* Set the number of ports on the Warp Core to 10G */
  1473. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1474. } else {
  1475. /* Set the number of ports on the system side to 1 */
  1476. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1477. if (max_speed == SPEED_10000) {
  1478. DP(NETIF_MSG_LINK,
  1479. "Init XMAC to 10G x 1 port per path\n");
  1480. /* Set the number of ports on the Warp Core to 10G */
  1481. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1482. } else {
  1483. DP(NETIF_MSG_LINK,
  1484. "Init XMAC to 20G x 2 ports per path\n");
  1485. /* Set the number of ports on the Warp Core to 20G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1487. }
  1488. }
  1489. /* Soft reset */
  1490. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1491. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1492. usleep_range(1000, 1000);
  1493. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1494. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1495. }
  1496. static void bnx2x_xmac_disable(struct link_params *params)
  1497. {
  1498. u8 port = params->port;
  1499. struct bnx2x *bp = params->bp;
  1500. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1501. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1502. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1503. /*
  1504. * Send an indication to change the state in the NIG back to XON
  1505. * Clearing this bit enables the next set of this bit to get
  1506. * rising edge
  1507. */
  1508. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1509. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1510. (pfc_ctrl & ~(1<<1)));
  1511. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1512. (pfc_ctrl | (1<<1)));
  1513. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1514. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1515. }
  1516. }
  1517. static int bnx2x_xmac_enable(struct link_params *params,
  1518. struct link_vars *vars, u8 lb)
  1519. {
  1520. u32 val, xmac_base;
  1521. struct bnx2x *bp = params->bp;
  1522. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1523. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1524. bnx2x_xmac_init(params, vars->line_speed);
  1525. /*
  1526. * This register determines on which events the MAC will assert
  1527. * error on the i/f to the NIG along w/ EOP.
  1528. */
  1529. /*
  1530. * This register tells the NIG whether to send traffic to UMAC
  1531. * or XMAC
  1532. */
  1533. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1534. /* Set Max packet size */
  1535. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1536. /* CRC append for Tx packets */
  1537. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1538. /* update PFC */
  1539. bnx2x_update_pfc_xmac(params, vars, 0);
  1540. /* Enable TX and RX */
  1541. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1542. /* Check loopback mode */
  1543. if (lb)
  1544. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1545. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1546. bnx2x_set_xumac_nig(params,
  1547. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1548. vars->mac_type = MAC_TYPE_XMAC;
  1549. return 0;
  1550. }
  1551. static int bnx2x_emac_enable(struct link_params *params,
  1552. struct link_vars *vars, u8 lb)
  1553. {
  1554. struct bnx2x *bp = params->bp;
  1555. u8 port = params->port;
  1556. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1557. u32 val;
  1558. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1559. /* Disable BMAC */
  1560. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1561. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1562. /* enable emac and not bmac */
  1563. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1564. /* ASIC */
  1565. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1566. u32 ser_lane = ((params->lane_config &
  1567. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1569. DP(NETIF_MSG_LINK, "XGXS\n");
  1570. /* select the master lanes (out of 0-3) */
  1571. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1572. /* select XGXS */
  1573. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1574. } else { /* SerDes */
  1575. DP(NETIF_MSG_LINK, "SerDes\n");
  1576. /* select SerDes */
  1577. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1578. }
  1579. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1580. EMAC_RX_MODE_RESET);
  1581. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1582. EMAC_TX_MODE_RESET);
  1583. if (CHIP_REV_IS_SLOW(bp)) {
  1584. /* config GMII mode */
  1585. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1586. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1587. } else { /* ASIC */
  1588. /* pause enable/disable */
  1589. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1590. EMAC_RX_MODE_FLOW_EN);
  1591. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1592. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1593. EMAC_TX_MODE_FLOW_EN));
  1594. if (!(params->feature_config_flags &
  1595. FEATURE_CONFIG_PFC_ENABLED)) {
  1596. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1597. bnx2x_bits_en(bp, emac_base +
  1598. EMAC_REG_EMAC_RX_MODE,
  1599. EMAC_RX_MODE_FLOW_EN);
  1600. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1601. bnx2x_bits_en(bp, emac_base +
  1602. EMAC_REG_EMAC_TX_MODE,
  1603. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1604. EMAC_TX_MODE_FLOW_EN));
  1605. } else
  1606. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1607. EMAC_TX_MODE_FLOW_EN);
  1608. }
  1609. /* KEEP_VLAN_TAG, promiscuous */
  1610. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1611. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1612. /*
  1613. * Setting this bit causes MAC control frames (except for pause
  1614. * frames) to be passed on for processing. This setting has no
  1615. * affect on the operation of the pause frames. This bit effects
  1616. * all packets regardless of RX Parser packet sorting logic.
  1617. * Turn the PFC off to make sure we are in Xon state before
  1618. * enabling it.
  1619. */
  1620. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1621. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1622. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1623. /* Enable PFC again */
  1624. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1625. EMAC_REG_RX_PFC_MODE_RX_EN |
  1626. EMAC_REG_RX_PFC_MODE_TX_EN |
  1627. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1628. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1629. ((0x0101 <<
  1630. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1631. (0x00ff <<
  1632. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1633. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1634. }
  1635. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1636. /* Set Loopback */
  1637. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1638. if (lb)
  1639. val |= 0x810;
  1640. else
  1641. val &= ~0x810;
  1642. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1643. /* enable emac */
  1644. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1645. /* enable emac for jumbo packets */
  1646. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1647. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1648. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1649. /* strip CRC */
  1650. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1651. /* disable the NIG in/out to the bmac */
  1652. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1653. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1654. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1655. /* enable the NIG in/out to the emac */
  1656. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1657. val = 0;
  1658. if ((params->feature_config_flags &
  1659. FEATURE_CONFIG_PFC_ENABLED) ||
  1660. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1661. val = 1;
  1662. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1663. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1664. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1665. vars->mac_type = MAC_TYPE_EMAC;
  1666. return 0;
  1667. }
  1668. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1669. struct link_vars *vars)
  1670. {
  1671. u32 wb_data[2];
  1672. struct bnx2x *bp = params->bp;
  1673. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1674. NIG_REG_INGRESS_BMAC0_MEM;
  1675. u32 val = 0x14;
  1676. if ((!(params->feature_config_flags &
  1677. FEATURE_CONFIG_PFC_ENABLED)) &&
  1678. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1679. /* Enable BigMAC to react on received Pause packets */
  1680. val |= (1<<5);
  1681. wb_data[0] = val;
  1682. wb_data[1] = 0;
  1683. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1684. /* tx control */
  1685. val = 0xc0;
  1686. if (!(params->feature_config_flags &
  1687. FEATURE_CONFIG_PFC_ENABLED) &&
  1688. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1689. val |= 0x800000;
  1690. wb_data[0] = val;
  1691. wb_data[1] = 0;
  1692. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1693. }
  1694. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1695. struct link_vars *vars,
  1696. u8 is_lb)
  1697. {
  1698. /*
  1699. * Set rx control: Strip CRC and enable BigMAC to relay
  1700. * control packets to the system as well
  1701. */
  1702. u32 wb_data[2];
  1703. struct bnx2x *bp = params->bp;
  1704. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1705. NIG_REG_INGRESS_BMAC0_MEM;
  1706. u32 val = 0x14;
  1707. if ((!(params->feature_config_flags &
  1708. FEATURE_CONFIG_PFC_ENABLED)) &&
  1709. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1710. /* Enable BigMAC to react on received Pause packets */
  1711. val |= (1<<5);
  1712. wb_data[0] = val;
  1713. wb_data[1] = 0;
  1714. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1715. udelay(30);
  1716. /* Tx control */
  1717. val = 0xc0;
  1718. if (!(params->feature_config_flags &
  1719. FEATURE_CONFIG_PFC_ENABLED) &&
  1720. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1721. val |= 0x800000;
  1722. wb_data[0] = val;
  1723. wb_data[1] = 0;
  1724. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1725. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1726. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1727. /* Enable PFC RX & TX & STATS and set 8 COS */
  1728. wb_data[0] = 0x0;
  1729. wb_data[0] |= (1<<0); /* RX */
  1730. wb_data[0] |= (1<<1); /* TX */
  1731. wb_data[0] |= (1<<2); /* Force initial Xon */
  1732. wb_data[0] |= (1<<3); /* 8 cos */
  1733. wb_data[0] |= (1<<5); /* STATS */
  1734. wb_data[1] = 0;
  1735. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1736. wb_data, 2);
  1737. /* Clear the force Xon */
  1738. wb_data[0] &= ~(1<<2);
  1739. } else {
  1740. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1741. /* disable PFC RX & TX & STATS and set 8 COS */
  1742. wb_data[0] = 0x8;
  1743. wb_data[1] = 0;
  1744. }
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1746. /*
  1747. * Set Time (based unit is 512 bit time) between automatic
  1748. * re-sending of PP packets amd enable automatic re-send of
  1749. * Per-Priroity Packet as long as pp_gen is asserted and
  1750. * pp_disable is low.
  1751. */
  1752. val = 0x8000;
  1753. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1754. val |= (1<<16); /* enable automatic re-send */
  1755. wb_data[0] = val;
  1756. wb_data[1] = 0;
  1757. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1758. wb_data, 2);
  1759. /* mac control */
  1760. val = 0x3; /* Enable RX and TX */
  1761. if (is_lb) {
  1762. val |= 0x4; /* Local loopback */
  1763. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1764. }
  1765. /* When PFC enabled, Pass pause frames towards the NIG. */
  1766. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1767. val |= ((1<<6)|(1<<5));
  1768. wb_data[0] = val;
  1769. wb_data[1] = 0;
  1770. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1771. }
  1772. /* PFC BRB internal port configuration params */
  1773. struct bnx2x_pfc_brb_threshold_val {
  1774. u32 pause_xoff;
  1775. u32 pause_xon;
  1776. u32 full_xoff;
  1777. u32 full_xon;
  1778. };
  1779. struct bnx2x_pfc_brb_e3b0_val {
  1780. u32 per_class_guaranty_mode;
  1781. u32 lb_guarantied_hyst;
  1782. u32 full_lb_xoff_th;
  1783. u32 full_lb_xon_threshold;
  1784. u32 lb_guarantied;
  1785. u32 mac_0_class_t_guarantied;
  1786. u32 mac_0_class_t_guarantied_hyst;
  1787. u32 mac_1_class_t_guarantied;
  1788. u32 mac_1_class_t_guarantied_hyst;
  1789. };
  1790. struct bnx2x_pfc_brb_th_val {
  1791. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1792. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1793. struct bnx2x_pfc_brb_threshold_val default_class0;
  1794. struct bnx2x_pfc_brb_threshold_val default_class1;
  1795. };
  1796. static int bnx2x_pfc_brb_get_config_params(
  1797. struct link_params *params,
  1798. struct bnx2x_pfc_brb_th_val *config_val)
  1799. {
  1800. struct bnx2x *bp = params->bp;
  1801. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1802. config_val->default_class1.pause_xoff = 0;
  1803. config_val->default_class1.pause_xon = 0;
  1804. config_val->default_class1.full_xoff = 0;
  1805. config_val->default_class1.full_xon = 0;
  1806. if (CHIP_IS_E2(bp)) {
  1807. /* class0 defaults */
  1808. config_val->default_class0.pause_xoff =
  1809. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1810. config_val->default_class0.pause_xon =
  1811. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1812. config_val->default_class0.full_xoff =
  1813. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1814. config_val->default_class0.full_xon =
  1815. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1816. /* pause able*/
  1817. config_val->pauseable_th.pause_xoff =
  1818. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1819. config_val->pauseable_th.pause_xon =
  1820. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1821. config_val->pauseable_th.full_xoff =
  1822. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1823. config_val->pauseable_th.full_xon =
  1824. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1825. /* non pause able*/
  1826. config_val->non_pauseable_th.pause_xoff =
  1827. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1828. config_val->non_pauseable_th.pause_xon =
  1829. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.full_xoff =
  1831. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xon =
  1833. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1834. } else if (CHIP_IS_E3A0(bp)) {
  1835. /* class0 defaults */
  1836. config_val->default_class0.pause_xoff =
  1837. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1838. config_val->default_class0.pause_xon =
  1839. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1840. config_val->default_class0.full_xoff =
  1841. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1842. config_val->default_class0.full_xon =
  1843. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1844. /* pause able */
  1845. config_val->pauseable_th.pause_xoff =
  1846. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1847. config_val->pauseable_th.pause_xon =
  1848. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1849. config_val->pauseable_th.full_xoff =
  1850. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1851. config_val->pauseable_th.full_xon =
  1852. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1853. /* non pause able*/
  1854. config_val->non_pauseable_th.pause_xoff =
  1855. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1856. config_val->non_pauseable_th.pause_xon =
  1857. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1858. config_val->non_pauseable_th.full_xoff =
  1859. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1860. config_val->non_pauseable_th.full_xon =
  1861. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1862. } else if (CHIP_IS_E3B0(bp)) {
  1863. /* class0 defaults */
  1864. config_val->default_class0.pause_xoff =
  1865. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1866. config_val->default_class0.pause_xon =
  1867. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1868. config_val->default_class0.full_xoff =
  1869. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1870. config_val->default_class0.full_xon =
  1871. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1872. if (params->phy[INT_PHY].flags &
  1873. FLAGS_4_PORT_MODE) {
  1874. config_val->pauseable_th.pause_xoff =
  1875. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1876. config_val->pauseable_th.pause_xon =
  1877. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1878. config_val->pauseable_th.full_xoff =
  1879. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1880. config_val->pauseable_th.full_xon =
  1881. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1882. /* non pause able*/
  1883. config_val->non_pauseable_th.pause_xoff =
  1884. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1885. config_val->non_pauseable_th.pause_xon =
  1886. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1887. config_val->non_pauseable_th.full_xoff =
  1888. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1889. config_val->non_pauseable_th.full_xon =
  1890. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1891. } else {
  1892. config_val->pauseable_th.pause_xoff =
  1893. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1894. config_val->pauseable_th.pause_xon =
  1895. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1896. config_val->pauseable_th.full_xoff =
  1897. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1898. config_val->pauseable_th.full_xon =
  1899. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1900. /* non pause able*/
  1901. config_val->non_pauseable_th.pause_xoff =
  1902. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1903. config_val->non_pauseable_th.pause_xon =
  1904. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1905. config_val->non_pauseable_th.full_xoff =
  1906. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1907. config_val->non_pauseable_th.full_xon =
  1908. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1909. }
  1910. } else
  1911. return -EINVAL;
  1912. return 0;
  1913. }
  1914. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1915. struct link_params *params,
  1916. struct bnx2x_pfc_brb_e3b0_val
  1917. *e3b0_val,
  1918. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1919. const u8 pfc_enabled)
  1920. {
  1921. if (pfc_enabled && pfc_params) {
  1922. e3b0_val->per_class_guaranty_mode = 1;
  1923. e3b0_val->lb_guarantied_hyst = 80;
  1924. if (params->phy[INT_PHY].flags &
  1925. FLAGS_4_PORT_MODE) {
  1926. e3b0_val->full_lb_xoff_th =
  1927. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1928. e3b0_val->full_lb_xon_threshold =
  1929. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1930. e3b0_val->lb_guarantied =
  1931. PFC_E3B0_4P_LB_GUART;
  1932. e3b0_val->mac_0_class_t_guarantied =
  1933. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1934. e3b0_val->mac_0_class_t_guarantied_hyst =
  1935. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1936. e3b0_val->mac_1_class_t_guarantied =
  1937. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1938. e3b0_val->mac_1_class_t_guarantied_hyst =
  1939. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1940. } else {
  1941. e3b0_val->full_lb_xoff_th =
  1942. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1943. e3b0_val->full_lb_xon_threshold =
  1944. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1945. e3b0_val->mac_0_class_t_guarantied_hyst =
  1946. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1947. e3b0_val->mac_1_class_t_guarantied =
  1948. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1949. e3b0_val->mac_1_class_t_guarantied_hyst =
  1950. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1951. if (pfc_params->cos0_pauseable !=
  1952. pfc_params->cos1_pauseable) {
  1953. /* nonpauseable= Lossy + pauseable = Lossless*/
  1954. e3b0_val->lb_guarantied =
  1955. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1956. e3b0_val->mac_0_class_t_guarantied =
  1957. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1958. } else if (pfc_params->cos0_pauseable) {
  1959. /* Lossless +Lossless*/
  1960. e3b0_val->lb_guarantied =
  1961. PFC_E3B0_2P_PAUSE_LB_GUART;
  1962. e3b0_val->mac_0_class_t_guarantied =
  1963. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1964. } else {
  1965. /* Lossy +Lossy*/
  1966. e3b0_val->lb_guarantied =
  1967. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1968. e3b0_val->mac_0_class_t_guarantied =
  1969. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1970. }
  1971. }
  1972. } else {
  1973. e3b0_val->per_class_guaranty_mode = 0;
  1974. e3b0_val->lb_guarantied_hyst = 0;
  1975. e3b0_val->full_lb_xoff_th =
  1976. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1977. e3b0_val->full_lb_xon_threshold =
  1978. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1979. e3b0_val->lb_guarantied =
  1980. DEFAULT_E3B0_LB_GUART;
  1981. e3b0_val->mac_0_class_t_guarantied =
  1982. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1983. e3b0_val->mac_0_class_t_guarantied_hyst =
  1984. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1985. e3b0_val->mac_1_class_t_guarantied =
  1986. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1987. e3b0_val->mac_1_class_t_guarantied_hyst =
  1988. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1989. }
  1990. }
  1991. static int bnx2x_update_pfc_brb(struct link_params *params,
  1992. struct link_vars *vars,
  1993. struct bnx2x_nig_brb_pfc_port_params
  1994. *pfc_params)
  1995. {
  1996. struct bnx2x *bp = params->bp;
  1997. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1998. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1999. &config_val.pauseable_th;
  2000. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2001. const int set_pfc = params->feature_config_flags &
  2002. FEATURE_CONFIG_PFC_ENABLED;
  2003. const u8 pfc_enabled = (set_pfc && pfc_params);
  2004. int bnx2x_status = 0;
  2005. u8 port = params->port;
  2006. /* default - pause configuration */
  2007. reg_th_config = &config_val.pauseable_th;
  2008. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2009. if (0 != bnx2x_status)
  2010. return bnx2x_status;
  2011. if (pfc_enabled) {
  2012. /* First COS */
  2013. if (pfc_params->cos0_pauseable)
  2014. reg_th_config = &config_val.pauseable_th;
  2015. else
  2016. reg_th_config = &config_val.non_pauseable_th;
  2017. } else
  2018. reg_th_config = &config_val.default_class0;
  2019. /*
  2020. * The number of free blocks below which the pause signal to class 0
  2021. * of MAC #n is asserted. n=0,1
  2022. */
  2023. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2024. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2025. reg_th_config->pause_xoff);
  2026. /*
  2027. * The number of free blocks above which the pause signal to class 0
  2028. * of MAC #n is de-asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2031. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2032. /*
  2033. * The number of free blocks below which the full signal to class 0
  2034. * of MAC #n is asserted. n=0,1
  2035. */
  2036. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2037. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2038. /*
  2039. * The number of free blocks above which the full signal to class 0
  2040. * of MAC #n is de-asserted. n=0,1
  2041. */
  2042. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2043. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2044. if (pfc_enabled) {
  2045. /* Second COS */
  2046. if (pfc_params->cos1_pauseable)
  2047. reg_th_config = &config_val.pauseable_th;
  2048. else
  2049. reg_th_config = &config_val.non_pauseable_th;
  2050. } else
  2051. reg_th_config = &config_val.default_class1;
  2052. /*
  2053. * The number of free blocks below which the pause signal to
  2054. * class 1 of MAC #n is asserted. n=0,1
  2055. **/
  2056. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2057. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2058. reg_th_config->pause_xoff);
  2059. /*
  2060. * The number of free blocks above which the pause signal to
  2061. * class 1 of MAC #n is de-asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2065. reg_th_config->pause_xon);
  2066. /*
  2067. * The number of free blocks below which the full signal to
  2068. * class 1 of MAC #n is asserted. n=0,1
  2069. */
  2070. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2071. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2072. reg_th_config->full_xoff);
  2073. /*
  2074. * The number of free blocks above which the full signal to
  2075. * class 1 of MAC #n is de-asserted. n=0,1
  2076. */
  2077. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2078. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2079. reg_th_config->full_xon);
  2080. if (CHIP_IS_E3B0(bp)) {
  2081. bnx2x_pfc_brb_get_e3b0_config_params(
  2082. params,
  2083. &e3b0_val,
  2084. pfc_params,
  2085. pfc_enabled);
  2086. /*Should be done by init tool */
  2087. /*
  2088. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  2089. * reset value
  2090. * 944
  2091. */
  2092. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2093. e3b0_val.per_class_guaranty_mode);
  2094. /**
  2095. * The hysteresis on the guarantied buffer space for the Lb port
  2096. * before signaling XON.
  2097. **/
  2098. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2099. e3b0_val.lb_guarantied_hyst);
  2100. /**
  2101. * The number of free blocks below which the full signal to the
  2102. * LB port is asserted.
  2103. */
  2104. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2105. e3b0_val.full_lb_xoff_th);
  2106. /**
  2107. * The number of free blocks above which the full signal to the
  2108. * LB port is de-asserted.
  2109. */
  2110. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2111. e3b0_val.full_lb_xon_threshold);
  2112. /**
  2113. * The number of blocks guarantied for the MAC #n port. n=0,1
  2114. */
  2115. /*The number of blocks guarantied for the LB port.*/
  2116. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2117. e3b0_val.lb_guarantied);
  2118. /**
  2119. * The number of blocks guarantied for the MAC #n port.
  2120. */
  2121. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2122. 2 * e3b0_val.mac_0_class_t_guarantied);
  2123. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2124. 2 * e3b0_val.mac_1_class_t_guarantied);
  2125. /**
  2126. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2127. */
  2128. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2129. e3b0_val.mac_0_class_t_guarantied);
  2130. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2131. e3b0_val.mac_0_class_t_guarantied);
  2132. /**
  2133. * The hysteresis on the guarantied buffer space for class in
  2134. * MAC0. t=0,1
  2135. */
  2136. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2137. e3b0_val.mac_0_class_t_guarantied_hyst);
  2138. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2139. e3b0_val.mac_0_class_t_guarantied_hyst);
  2140. /**
  2141. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2142. */
  2143. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2144. e3b0_val.mac_1_class_t_guarantied);
  2145. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2146. e3b0_val.mac_1_class_t_guarantied);
  2147. /**
  2148. * The hysteresis on the guarantied buffer space for class #t
  2149. * in MAC1. t=0,1
  2150. */
  2151. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2152. e3b0_val.mac_1_class_t_guarantied_hyst);
  2153. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2154. e3b0_val.mac_1_class_t_guarantied_hyst);
  2155. }
  2156. return bnx2x_status;
  2157. }
  2158. /******************************************************************************
  2159. * Description:
  2160. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2161. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2162. ******************************************************************************/
  2163. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2164. u8 cos_entry,
  2165. u32 priority_mask, u8 port)
  2166. {
  2167. u32 nig_reg_rx_priority_mask_add = 0;
  2168. switch (cos_entry) {
  2169. case 0:
  2170. nig_reg_rx_priority_mask_add = (port) ?
  2171. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2172. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2173. break;
  2174. case 1:
  2175. nig_reg_rx_priority_mask_add = (port) ?
  2176. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2177. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2178. break;
  2179. case 2:
  2180. nig_reg_rx_priority_mask_add = (port) ?
  2181. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2182. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2183. break;
  2184. case 3:
  2185. if (port)
  2186. return -EINVAL;
  2187. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2188. break;
  2189. case 4:
  2190. if (port)
  2191. return -EINVAL;
  2192. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2193. break;
  2194. case 5:
  2195. if (port)
  2196. return -EINVAL;
  2197. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2198. break;
  2199. }
  2200. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2201. return 0;
  2202. }
  2203. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2204. {
  2205. struct bnx2x *bp = params->bp;
  2206. REG_WR(bp, params->shmem_base +
  2207. offsetof(struct shmem_region,
  2208. port_mb[params->port].link_status), link_status);
  2209. }
  2210. static void bnx2x_update_pfc_nig(struct link_params *params,
  2211. struct link_vars *vars,
  2212. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2213. {
  2214. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2215. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2216. u32 pkt_priority_to_cos = 0;
  2217. struct bnx2x *bp = params->bp;
  2218. u8 port = params->port;
  2219. int set_pfc = params->feature_config_flags &
  2220. FEATURE_CONFIG_PFC_ENABLED;
  2221. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2222. /*
  2223. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2224. * MAC control frames (that are not pause packets)
  2225. * will be forwarded to the XCM.
  2226. */
  2227. xcm_mask = REG_RD(bp,
  2228. port ? NIG_REG_LLH1_XCM_MASK :
  2229. NIG_REG_LLH0_XCM_MASK);
  2230. /*
  2231. * nig params will override non PFC params, since it's possible to
  2232. * do transition from PFC to SAFC
  2233. */
  2234. if (set_pfc) {
  2235. pause_enable = 0;
  2236. llfc_out_en = 0;
  2237. llfc_enable = 0;
  2238. if (CHIP_IS_E3(bp))
  2239. ppp_enable = 0;
  2240. else
  2241. ppp_enable = 1;
  2242. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2243. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2244. xcm0_out_en = 0;
  2245. p0_hwpfc_enable = 1;
  2246. } else {
  2247. if (nig_params) {
  2248. llfc_out_en = nig_params->llfc_out_en;
  2249. llfc_enable = nig_params->llfc_enable;
  2250. pause_enable = nig_params->pause_enable;
  2251. } else /*defaul non PFC mode - PAUSE */
  2252. pause_enable = 1;
  2253. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2254. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2255. xcm0_out_en = 1;
  2256. }
  2257. if (CHIP_IS_E3(bp))
  2258. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2259. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2260. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2261. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2262. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2263. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2264. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2265. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2266. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2267. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2268. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2269. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2270. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2271. /* output enable for RX_XCM # IF */
  2272. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2273. /* HW PFC TX enable */
  2274. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2275. if (nig_params) {
  2276. u8 i = 0;
  2277. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2278. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2279. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2280. nig_params->rx_cos_priority_mask[i], port);
  2281. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2282. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2283. nig_params->llfc_high_priority_classes);
  2284. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2285. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2286. nig_params->llfc_low_priority_classes);
  2287. }
  2288. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2289. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2290. pkt_priority_to_cos);
  2291. }
  2292. int bnx2x_update_pfc(struct link_params *params,
  2293. struct link_vars *vars,
  2294. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2295. {
  2296. /*
  2297. * The PFC and pause are orthogonal to one another, meaning when
  2298. * PFC is enabled, the pause are disabled, and when PFC is
  2299. * disabled, pause are set according to the pause result.
  2300. */
  2301. u32 val;
  2302. struct bnx2x *bp = params->bp;
  2303. int bnx2x_status = 0;
  2304. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2305. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2306. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2307. else
  2308. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2309. bnx2x_update_mng(params, vars->link_status);
  2310. /* update NIG params */
  2311. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2312. /* update BRB params */
  2313. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2314. if (0 != bnx2x_status)
  2315. return bnx2x_status;
  2316. if (!vars->link_up)
  2317. return bnx2x_status;
  2318. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2319. if (CHIP_IS_E3(bp))
  2320. bnx2x_update_pfc_xmac(params, vars, 0);
  2321. else {
  2322. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2323. if ((val &
  2324. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2325. == 0) {
  2326. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2327. bnx2x_emac_enable(params, vars, 0);
  2328. return bnx2x_status;
  2329. }
  2330. if (CHIP_IS_E2(bp))
  2331. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2332. else
  2333. bnx2x_update_pfc_bmac1(params, vars);
  2334. val = 0;
  2335. if ((params->feature_config_flags &
  2336. FEATURE_CONFIG_PFC_ENABLED) ||
  2337. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2338. val = 1;
  2339. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2340. }
  2341. return bnx2x_status;
  2342. }
  2343. static int bnx2x_bmac1_enable(struct link_params *params,
  2344. struct link_vars *vars,
  2345. u8 is_lb)
  2346. {
  2347. struct bnx2x *bp = params->bp;
  2348. u8 port = params->port;
  2349. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2350. NIG_REG_INGRESS_BMAC0_MEM;
  2351. u32 wb_data[2];
  2352. u32 val;
  2353. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2354. /* XGXS control */
  2355. wb_data[0] = 0x3c;
  2356. wb_data[1] = 0;
  2357. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2358. wb_data, 2);
  2359. /* tx MAC SA */
  2360. wb_data[0] = ((params->mac_addr[2] << 24) |
  2361. (params->mac_addr[3] << 16) |
  2362. (params->mac_addr[4] << 8) |
  2363. params->mac_addr[5]);
  2364. wb_data[1] = ((params->mac_addr[0] << 8) |
  2365. params->mac_addr[1]);
  2366. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2367. /* mac control */
  2368. val = 0x3;
  2369. if (is_lb) {
  2370. val |= 0x4;
  2371. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2372. }
  2373. wb_data[0] = val;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2376. /* set rx mtu */
  2377. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2378. wb_data[1] = 0;
  2379. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2380. bnx2x_update_pfc_bmac1(params, vars);
  2381. /* set tx mtu */
  2382. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2383. wb_data[1] = 0;
  2384. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2385. /* set cnt max size */
  2386. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2387. wb_data[1] = 0;
  2388. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2389. /* configure safc */
  2390. wb_data[0] = 0x1000200;
  2391. wb_data[1] = 0;
  2392. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2393. wb_data, 2);
  2394. return 0;
  2395. }
  2396. static int bnx2x_bmac2_enable(struct link_params *params,
  2397. struct link_vars *vars,
  2398. u8 is_lb)
  2399. {
  2400. struct bnx2x *bp = params->bp;
  2401. u8 port = params->port;
  2402. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2403. NIG_REG_INGRESS_BMAC0_MEM;
  2404. u32 wb_data[2];
  2405. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2406. wb_data[0] = 0;
  2407. wb_data[1] = 0;
  2408. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2409. udelay(30);
  2410. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2411. wb_data[0] = 0x3c;
  2412. wb_data[1] = 0;
  2413. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2414. wb_data, 2);
  2415. udelay(30);
  2416. /* tx MAC SA */
  2417. wb_data[0] = ((params->mac_addr[2] << 24) |
  2418. (params->mac_addr[3] << 16) |
  2419. (params->mac_addr[4] << 8) |
  2420. params->mac_addr[5]);
  2421. wb_data[1] = ((params->mac_addr[0] << 8) |
  2422. params->mac_addr[1]);
  2423. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2424. wb_data, 2);
  2425. udelay(30);
  2426. /* Configure SAFC */
  2427. wb_data[0] = 0x1000200;
  2428. wb_data[1] = 0;
  2429. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2430. wb_data, 2);
  2431. udelay(30);
  2432. /* set rx mtu */
  2433. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2434. wb_data[1] = 0;
  2435. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2436. udelay(30);
  2437. /* set tx mtu */
  2438. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2439. wb_data[1] = 0;
  2440. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2441. udelay(30);
  2442. /* set cnt max size */
  2443. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2444. wb_data[1] = 0;
  2445. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2446. udelay(30);
  2447. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2448. return 0;
  2449. }
  2450. static int bnx2x_bmac_enable(struct link_params *params,
  2451. struct link_vars *vars,
  2452. u8 is_lb)
  2453. {
  2454. int rc = 0;
  2455. u8 port = params->port;
  2456. struct bnx2x *bp = params->bp;
  2457. u32 val;
  2458. /* reset and unreset the BigMac */
  2459. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2460. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2461. msleep(1);
  2462. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2463. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2464. /* enable access for bmac registers */
  2465. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2466. /* Enable BMAC according to BMAC type*/
  2467. if (CHIP_IS_E2(bp))
  2468. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2469. else
  2470. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2471. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2472. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2473. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2474. val = 0;
  2475. if ((params->feature_config_flags &
  2476. FEATURE_CONFIG_PFC_ENABLED) ||
  2477. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2478. val = 1;
  2479. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2480. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2481. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2482. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2483. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2484. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2485. vars->mac_type = MAC_TYPE_BMAC;
  2486. return rc;
  2487. }
  2488. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2489. {
  2490. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2491. NIG_REG_INGRESS_BMAC0_MEM;
  2492. u32 wb_data[2];
  2493. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2494. /* Only if the bmac is out of reset */
  2495. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2496. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2497. nig_bmac_enable) {
  2498. if (CHIP_IS_E2(bp)) {
  2499. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2500. REG_RD_DMAE(bp, bmac_addr +
  2501. BIGMAC2_REGISTER_BMAC_CONTROL,
  2502. wb_data, 2);
  2503. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2504. REG_WR_DMAE(bp, bmac_addr +
  2505. BIGMAC2_REGISTER_BMAC_CONTROL,
  2506. wb_data, 2);
  2507. } else {
  2508. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2509. REG_RD_DMAE(bp, bmac_addr +
  2510. BIGMAC_REGISTER_BMAC_CONTROL,
  2511. wb_data, 2);
  2512. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2513. REG_WR_DMAE(bp, bmac_addr +
  2514. BIGMAC_REGISTER_BMAC_CONTROL,
  2515. wb_data, 2);
  2516. }
  2517. msleep(1);
  2518. }
  2519. }
  2520. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2521. u32 line_speed)
  2522. {
  2523. struct bnx2x *bp = params->bp;
  2524. u8 port = params->port;
  2525. u32 init_crd, crd;
  2526. u32 count = 1000;
  2527. /* disable port */
  2528. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2529. /* wait for init credit */
  2530. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2531. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2532. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2533. while ((init_crd != crd) && count) {
  2534. msleep(5);
  2535. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2536. count--;
  2537. }
  2538. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2539. if (init_crd != crd) {
  2540. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2541. init_crd, crd);
  2542. return -EINVAL;
  2543. }
  2544. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2545. line_speed == SPEED_10 ||
  2546. line_speed == SPEED_100 ||
  2547. line_speed == SPEED_1000 ||
  2548. line_speed == SPEED_2500) {
  2549. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2550. /* update threshold */
  2551. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2552. /* update init credit */
  2553. init_crd = 778; /* (800-18-4) */
  2554. } else {
  2555. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2556. ETH_OVREHEAD)/16;
  2557. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2558. /* update threshold */
  2559. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2560. /* update init credit */
  2561. switch (line_speed) {
  2562. case SPEED_10000:
  2563. init_crd = thresh + 553 - 22;
  2564. break;
  2565. default:
  2566. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2567. line_speed);
  2568. return -EINVAL;
  2569. }
  2570. }
  2571. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2572. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2573. line_speed, init_crd);
  2574. /* probe the credit changes */
  2575. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2576. msleep(5);
  2577. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2578. /* enable port */
  2579. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2580. return 0;
  2581. }
  2582. /**
  2583. * bnx2x_get_emac_base - retrive emac base address
  2584. *
  2585. * @bp: driver handle
  2586. * @mdc_mdio_access: access type
  2587. * @port: port id
  2588. *
  2589. * This function selects the MDC/MDIO access (through emac0 or
  2590. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2591. * phy has a default access mode, which could also be overridden
  2592. * by nvram configuration. This parameter, whether this is the
  2593. * default phy configuration, or the nvram overrun
  2594. * configuration, is passed here as mdc_mdio_access and selects
  2595. * the emac_base for the CL45 read/writes operations
  2596. */
  2597. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2598. u32 mdc_mdio_access, u8 port)
  2599. {
  2600. u32 emac_base = 0;
  2601. switch (mdc_mdio_access) {
  2602. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2603. break;
  2604. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2605. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2606. emac_base = GRCBASE_EMAC1;
  2607. else
  2608. emac_base = GRCBASE_EMAC0;
  2609. break;
  2610. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2611. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2612. emac_base = GRCBASE_EMAC0;
  2613. else
  2614. emac_base = GRCBASE_EMAC1;
  2615. break;
  2616. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2617. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2618. break;
  2619. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2620. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2621. break;
  2622. default:
  2623. break;
  2624. }
  2625. return emac_base;
  2626. }
  2627. /******************************************************************/
  2628. /* CL22 access functions */
  2629. /******************************************************************/
  2630. static int bnx2x_cl22_write(struct bnx2x *bp,
  2631. struct bnx2x_phy *phy,
  2632. u16 reg, u16 val)
  2633. {
  2634. u32 tmp, mode;
  2635. u8 i;
  2636. int rc = 0;
  2637. /* Switch to CL22 */
  2638. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2639. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2640. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2641. /* address */
  2642. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2643. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2644. EMAC_MDIO_COMM_START_BUSY);
  2645. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2646. for (i = 0; i < 50; i++) {
  2647. udelay(10);
  2648. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2649. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2650. udelay(5);
  2651. break;
  2652. }
  2653. }
  2654. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2655. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2656. rc = -EFAULT;
  2657. }
  2658. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2659. return rc;
  2660. }
  2661. static int bnx2x_cl22_read(struct bnx2x *bp,
  2662. struct bnx2x_phy *phy,
  2663. u16 reg, u16 *ret_val)
  2664. {
  2665. u32 val, mode;
  2666. u16 i;
  2667. int rc = 0;
  2668. /* Switch to CL22 */
  2669. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2670. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2671. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2672. /* address */
  2673. val = ((phy->addr << 21) | (reg << 16) |
  2674. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2675. EMAC_MDIO_COMM_START_BUSY);
  2676. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2677. for (i = 0; i < 50; i++) {
  2678. udelay(10);
  2679. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2680. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2681. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2682. udelay(5);
  2683. break;
  2684. }
  2685. }
  2686. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2687. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2688. *ret_val = 0;
  2689. rc = -EFAULT;
  2690. }
  2691. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2692. return rc;
  2693. }
  2694. /******************************************************************/
  2695. /* CL45 access functions */
  2696. /******************************************************************/
  2697. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2698. u8 devad, u16 reg, u16 *ret_val)
  2699. {
  2700. u32 val;
  2701. u16 i;
  2702. int rc = 0;
  2703. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2704. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2705. EMAC_MDIO_STATUS_10MB);
  2706. /* address */
  2707. val = ((phy->addr << 21) | (devad << 16) | reg |
  2708. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2709. EMAC_MDIO_COMM_START_BUSY);
  2710. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2711. for (i = 0; i < 50; i++) {
  2712. udelay(10);
  2713. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2714. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2715. udelay(5);
  2716. break;
  2717. }
  2718. }
  2719. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2720. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2721. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2722. *ret_val = 0;
  2723. rc = -EFAULT;
  2724. } else {
  2725. /* data */
  2726. val = ((phy->addr << 21) | (devad << 16) |
  2727. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2728. EMAC_MDIO_COMM_START_BUSY);
  2729. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2730. for (i = 0; i < 50; i++) {
  2731. udelay(10);
  2732. val = REG_RD(bp, phy->mdio_ctrl +
  2733. EMAC_REG_EMAC_MDIO_COMM);
  2734. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2735. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2736. break;
  2737. }
  2738. }
  2739. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2740. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2741. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2742. *ret_val = 0;
  2743. rc = -EFAULT;
  2744. }
  2745. }
  2746. /* Work around for E3 A0 */
  2747. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2748. phy->flags ^= FLAGS_DUMMY_READ;
  2749. if (phy->flags & FLAGS_DUMMY_READ) {
  2750. u16 temp_val;
  2751. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2752. }
  2753. }
  2754. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2755. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2756. EMAC_MDIO_STATUS_10MB);
  2757. return rc;
  2758. }
  2759. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2760. u8 devad, u16 reg, u16 val)
  2761. {
  2762. u32 tmp;
  2763. u8 i;
  2764. int rc = 0;
  2765. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2766. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2767. EMAC_MDIO_STATUS_10MB);
  2768. /* address */
  2769. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2770. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2771. EMAC_MDIO_COMM_START_BUSY);
  2772. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2773. for (i = 0; i < 50; i++) {
  2774. udelay(10);
  2775. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2776. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2777. udelay(5);
  2778. break;
  2779. }
  2780. }
  2781. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2782. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2783. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2784. rc = -EFAULT;
  2785. } else {
  2786. /* data */
  2787. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2788. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2789. EMAC_MDIO_COMM_START_BUSY);
  2790. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2791. for (i = 0; i < 50; i++) {
  2792. udelay(10);
  2793. tmp = REG_RD(bp, phy->mdio_ctrl +
  2794. EMAC_REG_EMAC_MDIO_COMM);
  2795. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2796. udelay(5);
  2797. break;
  2798. }
  2799. }
  2800. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2801. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2802. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2803. rc = -EFAULT;
  2804. }
  2805. }
  2806. /* Work around for E3 A0 */
  2807. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2808. phy->flags ^= FLAGS_DUMMY_READ;
  2809. if (phy->flags & FLAGS_DUMMY_READ) {
  2810. u16 temp_val;
  2811. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2812. }
  2813. }
  2814. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2815. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2816. EMAC_MDIO_STATUS_10MB);
  2817. return rc;
  2818. }
  2819. /******************************************************************/
  2820. /* BSC access functions from E3 */
  2821. /******************************************************************/
  2822. static void bnx2x_bsc_module_sel(struct link_params *params)
  2823. {
  2824. int idx;
  2825. u32 board_cfg, sfp_ctrl;
  2826. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2827. struct bnx2x *bp = params->bp;
  2828. u8 port = params->port;
  2829. /* Read I2C output PINs */
  2830. board_cfg = REG_RD(bp, params->shmem_base +
  2831. offsetof(struct shmem_region,
  2832. dev_info.shared_hw_config.board));
  2833. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2834. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2835. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2836. /* Read I2C output value */
  2837. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2838. offsetof(struct shmem_region,
  2839. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2840. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2841. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2842. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2843. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2844. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2845. }
  2846. static int bnx2x_bsc_read(struct link_params *params,
  2847. struct bnx2x_phy *phy,
  2848. u8 sl_devid,
  2849. u16 sl_addr,
  2850. u8 lc_addr,
  2851. u8 xfer_cnt,
  2852. u32 *data_array)
  2853. {
  2854. u32 val, i;
  2855. int rc = 0;
  2856. struct bnx2x *bp = params->bp;
  2857. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2858. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2859. return -EINVAL;
  2860. }
  2861. if (xfer_cnt > 16) {
  2862. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2863. xfer_cnt);
  2864. return -EINVAL;
  2865. }
  2866. bnx2x_bsc_module_sel(params);
  2867. xfer_cnt = 16 - lc_addr;
  2868. /* enable the engine */
  2869. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2870. val |= MCPR_IMC_COMMAND_ENABLE;
  2871. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2872. /* program slave device ID */
  2873. val = (sl_devid << 16) | sl_addr;
  2874. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2875. /* start xfer with 0 byte to update the address pointer ???*/
  2876. val = (MCPR_IMC_COMMAND_ENABLE) |
  2877. (MCPR_IMC_COMMAND_WRITE_OP <<
  2878. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2879. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2880. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2881. /* poll for completion */
  2882. i = 0;
  2883. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2884. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2885. udelay(10);
  2886. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2887. if (i++ > 1000) {
  2888. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2889. i);
  2890. rc = -EFAULT;
  2891. break;
  2892. }
  2893. }
  2894. if (rc == -EFAULT)
  2895. return rc;
  2896. /* start xfer with read op */
  2897. val = (MCPR_IMC_COMMAND_ENABLE) |
  2898. (MCPR_IMC_COMMAND_READ_OP <<
  2899. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2900. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2901. (xfer_cnt);
  2902. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2903. /* poll for completion */
  2904. i = 0;
  2905. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2906. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2907. udelay(10);
  2908. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2909. if (i++ > 1000) {
  2910. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2911. rc = -EFAULT;
  2912. break;
  2913. }
  2914. }
  2915. if (rc == -EFAULT)
  2916. return rc;
  2917. for (i = (lc_addr >> 2); i < 4; i++) {
  2918. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2919. #ifdef __BIG_ENDIAN
  2920. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2921. ((data_array[i] & 0x0000ff00) << 8) |
  2922. ((data_array[i] & 0x00ff0000) >> 8) |
  2923. ((data_array[i] & 0xff000000) >> 24);
  2924. #endif
  2925. }
  2926. return rc;
  2927. }
  2928. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2929. u8 devad, u16 reg, u16 or_val)
  2930. {
  2931. u16 val;
  2932. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2933. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2934. }
  2935. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2936. u8 devad, u16 reg, u16 *ret_val)
  2937. {
  2938. u8 phy_index;
  2939. /*
  2940. * Probe for the phy according to the given phy_addr, and execute
  2941. * the read request on it
  2942. */
  2943. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2944. if (params->phy[phy_index].addr == phy_addr) {
  2945. return bnx2x_cl45_read(params->bp,
  2946. &params->phy[phy_index], devad,
  2947. reg, ret_val);
  2948. }
  2949. }
  2950. return -EINVAL;
  2951. }
  2952. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2953. u8 devad, u16 reg, u16 val)
  2954. {
  2955. u8 phy_index;
  2956. /*
  2957. * Probe for the phy according to the given phy_addr, and execute
  2958. * the write request on it
  2959. */
  2960. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2961. if (params->phy[phy_index].addr == phy_addr) {
  2962. return bnx2x_cl45_write(params->bp,
  2963. &params->phy[phy_index], devad,
  2964. reg, val);
  2965. }
  2966. }
  2967. return -EINVAL;
  2968. }
  2969. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2970. struct link_params *params)
  2971. {
  2972. u8 lane = 0;
  2973. struct bnx2x *bp = params->bp;
  2974. u32 path_swap, path_swap_ovr;
  2975. u8 path, port;
  2976. path = BP_PATH(bp);
  2977. port = params->port;
  2978. if (bnx2x_is_4_port_mode(bp)) {
  2979. u32 port_swap, port_swap_ovr;
  2980. /*figure out path swap value */
  2981. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2982. if (path_swap_ovr & 0x1)
  2983. path_swap = (path_swap_ovr & 0x2);
  2984. else
  2985. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2986. if (path_swap)
  2987. path = path ^ 1;
  2988. /*figure out port swap value */
  2989. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2990. if (port_swap_ovr & 0x1)
  2991. port_swap = (port_swap_ovr & 0x2);
  2992. else
  2993. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2994. if (port_swap)
  2995. port = port ^ 1;
  2996. lane = (port<<1) + path;
  2997. } else { /* two port mode - no port swap */
  2998. /*figure out path swap value */
  2999. path_swap_ovr =
  3000. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3001. if (path_swap_ovr & 0x1) {
  3002. path_swap = (path_swap_ovr & 0x2);
  3003. } else {
  3004. path_swap =
  3005. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3006. }
  3007. if (path_swap)
  3008. path = path ^ 1;
  3009. lane = path << 1 ;
  3010. }
  3011. return lane;
  3012. }
  3013. static void bnx2x_set_aer_mmd(struct link_params *params,
  3014. struct bnx2x_phy *phy)
  3015. {
  3016. u32 ser_lane;
  3017. u16 offset, aer_val;
  3018. struct bnx2x *bp = params->bp;
  3019. ser_lane = ((params->lane_config &
  3020. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3021. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3022. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3023. (phy->addr + ser_lane) : 0;
  3024. if (USES_WARPCORE(bp)) {
  3025. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3026. /*
  3027. * In Dual-lane mode, two lanes are joined together,
  3028. * so in order to configure them, the AER broadcast method is
  3029. * used here.
  3030. * 0x200 is the broadcast address for lanes 0,1
  3031. * 0x201 is the broadcast address for lanes 2,3
  3032. */
  3033. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3034. aer_val = (aer_val >> 1) | 0x200;
  3035. } else if (CHIP_IS_E2(bp))
  3036. aer_val = 0x3800 + offset - 1;
  3037. else
  3038. aer_val = 0x3800 + offset;
  3039. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  3040. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3041. MDIO_AER_BLOCK_AER_REG, aer_val);
  3042. }
  3043. /******************************************************************/
  3044. /* Internal phy section */
  3045. /******************************************************************/
  3046. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3047. {
  3048. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3049. /* Set Clause 22 */
  3050. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3051. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3052. udelay(500);
  3053. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3054. udelay(500);
  3055. /* Set Clause 45 */
  3056. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3057. }
  3058. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3059. {
  3060. u32 val;
  3061. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3062. val = SERDES_RESET_BITS << (port*16);
  3063. /* reset and unreset the SerDes/XGXS */
  3064. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3065. udelay(500);
  3066. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3067. bnx2x_set_serdes_access(bp, port);
  3068. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3069. DEFAULT_PHY_DEV_ADDR);
  3070. }
  3071. static void bnx2x_xgxs_deassert(struct link_params *params)
  3072. {
  3073. struct bnx2x *bp = params->bp;
  3074. u8 port;
  3075. u32 val;
  3076. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3077. port = params->port;
  3078. val = XGXS_RESET_BITS << (port*16);
  3079. /* reset and unreset the SerDes/XGXS */
  3080. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3081. udelay(500);
  3082. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3083. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3084. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3085. params->phy[INT_PHY].def_md_devad);
  3086. }
  3087. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3088. struct link_params *params, u16 *ieee_fc)
  3089. {
  3090. struct bnx2x *bp = params->bp;
  3091. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3092. /**
  3093. * resolve pause mode and advertisement Please refer to Table
  3094. * 28B-3 of the 802.3ab-1999 spec
  3095. */
  3096. switch (phy->req_flow_ctrl) {
  3097. case BNX2X_FLOW_CTRL_AUTO:
  3098. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3099. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3100. else
  3101. *ieee_fc |=
  3102. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3103. break;
  3104. case BNX2X_FLOW_CTRL_TX:
  3105. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3106. break;
  3107. case BNX2X_FLOW_CTRL_RX:
  3108. case BNX2X_FLOW_CTRL_BOTH:
  3109. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3110. break;
  3111. case BNX2X_FLOW_CTRL_NONE:
  3112. default:
  3113. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3114. break;
  3115. }
  3116. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3117. }
  3118. static void set_phy_vars(struct link_params *params,
  3119. struct link_vars *vars)
  3120. {
  3121. struct bnx2x *bp = params->bp;
  3122. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3123. u8 phy_config_swapped = params->multi_phy_config &
  3124. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3125. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3126. phy_index++) {
  3127. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3128. actual_phy_idx = phy_index;
  3129. if (phy_config_swapped) {
  3130. if (phy_index == EXT_PHY1)
  3131. actual_phy_idx = EXT_PHY2;
  3132. else if (phy_index == EXT_PHY2)
  3133. actual_phy_idx = EXT_PHY1;
  3134. }
  3135. params->phy[actual_phy_idx].req_flow_ctrl =
  3136. params->req_flow_ctrl[link_cfg_idx];
  3137. params->phy[actual_phy_idx].req_line_speed =
  3138. params->req_line_speed[link_cfg_idx];
  3139. params->phy[actual_phy_idx].speed_cap_mask =
  3140. params->speed_cap_mask[link_cfg_idx];
  3141. params->phy[actual_phy_idx].req_duplex =
  3142. params->req_duplex[link_cfg_idx];
  3143. if (params->req_line_speed[link_cfg_idx] ==
  3144. SPEED_AUTO_NEG)
  3145. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3146. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3147. " speed_cap_mask %x\n",
  3148. params->phy[actual_phy_idx].req_flow_ctrl,
  3149. params->phy[actual_phy_idx].req_line_speed,
  3150. params->phy[actual_phy_idx].speed_cap_mask);
  3151. }
  3152. }
  3153. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3154. struct bnx2x_phy *phy,
  3155. struct link_vars *vars)
  3156. {
  3157. u16 val;
  3158. struct bnx2x *bp = params->bp;
  3159. /* read modify write pause advertizing */
  3160. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3161. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3162. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3163. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3164. if ((vars->ieee_fc &
  3165. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3166. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3167. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3168. }
  3169. if ((vars->ieee_fc &
  3170. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3171. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3172. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3173. }
  3174. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3175. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3176. }
  3177. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3178. { /* LD LP */
  3179. switch (pause_result) { /* ASYM P ASYM P */
  3180. case 0xb: /* 1 0 1 1 */
  3181. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3182. break;
  3183. case 0xe: /* 1 1 1 0 */
  3184. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3185. break;
  3186. case 0x5: /* 0 1 0 1 */
  3187. case 0x7: /* 0 1 1 1 */
  3188. case 0xd: /* 1 1 0 1 */
  3189. case 0xf: /* 1 1 1 1 */
  3190. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3191. break;
  3192. default:
  3193. break;
  3194. }
  3195. if (pause_result & (1<<0))
  3196. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3197. if (pause_result & (1<<1))
  3198. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3199. }
  3200. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3201. struct link_params *params,
  3202. struct link_vars *vars)
  3203. {
  3204. struct bnx2x *bp = params->bp;
  3205. u16 ld_pause; /* local */
  3206. u16 lp_pause; /* link partner */
  3207. u16 pause_result;
  3208. u8 ret = 0;
  3209. /* read twice */
  3210. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3211. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3212. vars->flow_ctrl = phy->req_flow_ctrl;
  3213. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3214. vars->flow_ctrl = params->req_fc_auto_adv;
  3215. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3216. ret = 1;
  3217. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3218. bnx2x_cl22_read(bp, phy,
  3219. 0x4, &ld_pause);
  3220. bnx2x_cl22_read(bp, phy,
  3221. 0x5, &lp_pause);
  3222. } else {
  3223. bnx2x_cl45_read(bp, phy,
  3224. MDIO_AN_DEVAD,
  3225. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3226. bnx2x_cl45_read(bp, phy,
  3227. MDIO_AN_DEVAD,
  3228. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3229. }
  3230. pause_result = (ld_pause &
  3231. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3232. pause_result |= (lp_pause &
  3233. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3234. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3235. pause_result);
  3236. bnx2x_pause_resolve(vars, pause_result);
  3237. }
  3238. return ret;
  3239. }
  3240. /******************************************************************/
  3241. /* Warpcore section */
  3242. /******************************************************************/
  3243. /* The init_internal_warpcore should mirror the xgxs,
  3244. * i.e. reset the lane (if needed), set aer for the
  3245. * init configuration, and set/clear SGMII flag. Internal
  3246. * phy init is done purely in phy_init stage.
  3247. */
  3248. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3249. struct link_params *params,
  3250. struct link_vars *vars) {
  3251. u16 val16 = 0, lane, bam37 = 0;
  3252. struct bnx2x *bp = params->bp;
  3253. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3254. /* Disable Autoneg: re-enable it after adv is done. */
  3255. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3256. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3257. /* Check adding advertisement for 1G KX */
  3258. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3259. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3260. (vars->line_speed == SPEED_1000)) {
  3261. u16 sd_digital;
  3262. val16 |= (1<<5);
  3263. /* Enable CL37 1G Parallel Detect */
  3264. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3266. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3268. (sd_digital | 0x1));
  3269. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3270. }
  3271. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3272. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3273. (vars->line_speed == SPEED_10000)) {
  3274. /* Check adding advertisement for 10G KR */
  3275. val16 |= (1<<7);
  3276. /* Enable 10G Parallel Detect */
  3277. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3278. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3279. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3280. }
  3281. /* Set Transmit PMD settings */
  3282. lane = bnx2x_get_warpcore_lane(phy, params);
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3285. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3286. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3287. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3290. 0x03f0);
  3291. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3293. 0x03f0);
  3294. /* Advertised speeds */
  3295. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3296. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3297. /* Advertised and set FEC (Forward Error Correction) */
  3298. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3299. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3300. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3301. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3302. /* Enable CL37 BAM */
  3303. if (REG_RD(bp, params->shmem_base +
  3304. offsetof(struct shmem_region, dev_info.
  3305. port_hw_config[params->port].default_cfg)) &
  3306. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3307. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3309. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3311. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3312. }
  3313. /* Advertise pause */
  3314. bnx2x_ext_phy_set_pause(params, phy, vars);
  3315. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3316. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3317. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3318. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3319. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3320. /* Over 1G - AN local device user page 1 */
  3321. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3323. /* Enable Autoneg */
  3324. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3325. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3326. }
  3327. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3328. struct link_params *params,
  3329. struct link_vars *vars)
  3330. {
  3331. struct bnx2x *bp = params->bp;
  3332. u16 val;
  3333. /* Disable Autoneg */
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3336. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3337. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3340. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3341. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3342. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3343. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3348. /* Disable CL36 PCS Tx */
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3351. /* Double Wide Single Data Rate @ pll rate */
  3352. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3354. /* Leave cl72 training enable, needed for KR */
  3355. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3356. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3357. 0x2);
  3358. /* Leave CL72 enabled */
  3359. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3360. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3361. &val);
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3364. val | 0x3800);
  3365. /* Set speed via PMA/PMD register */
  3366. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3367. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3368. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3369. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3370. /*Enable encoded forced speed */
  3371. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3373. /* Turn TX scramble payload only the 64/66 scrambler */
  3374. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3375. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3376. /* Turn RX scramble payload only the 64/66 scrambler */
  3377. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3379. /* set and clear loopback to cause a reset to 64/66 decoder */
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3384. }
  3385. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3386. struct link_params *params,
  3387. u8 is_xfi)
  3388. {
  3389. struct bnx2x *bp = params->bp;
  3390. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3391. /* Hold rxSeqStart */
  3392. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3396. /* Hold tx_fifo_reset */
  3397. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3401. /* Disable CL73 AN */
  3402. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3403. /* Disable 100FX Enable and Auto-Detect */
  3404. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_FX100_CTRL1, &val);
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3408. /* Disable 100FX Idle detect */
  3409. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_FX100_CTRL3, &val);
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3413. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3418. /* Turn off auto-detect & fiber mode */
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3423. (val & 0xFFEE));
  3424. /* Set filter_force_link, disable_false_link and parallel_detect */
  3425. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3429. ((val | 0x0006) & 0xFFFE));
  3430. /* Set XFI / SFI */
  3431. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3433. misc1_val &= ~(0x1f);
  3434. if (is_xfi) {
  3435. misc1_val |= 0x5;
  3436. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3437. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3438. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3439. tx_driver_val =
  3440. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3441. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3442. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3443. } else {
  3444. misc1_val |= 0x9;
  3445. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3446. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3447. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3448. tx_driver_val =
  3449. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3450. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3451. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3452. }
  3453. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3455. /* Set Transmit PMD settings */
  3456. lane = bnx2x_get_warpcore_lane(phy, params);
  3457. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_TX_FIR_TAP,
  3459. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3460. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3462. tx_driver_val);
  3463. /* Enable fiber mode, enable and invert sig_det */
  3464. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3468. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3469. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3473. /* 10G XFI Full Duplex */
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3476. /* Release tx_fifo_reset */
  3477. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3481. /* Release rxSeqStart */
  3482. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3486. }
  3487. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3488. struct bnx2x_phy *phy)
  3489. {
  3490. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3491. }
  3492. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3493. struct bnx2x_phy *phy,
  3494. u16 lane)
  3495. {
  3496. /* Rx0 anaRxControl1G */
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3499. /* Rx2 anaRxControl1G */
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3502. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3506. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3507. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3510. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3511. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3514. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3518. /* Serdes Digital Misc1 */
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3521. /* Serdes Digital4 Misc3 */
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3524. /* Set Transmit PMD settings */
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_TX_FIR_TAP,
  3527. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3528. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3529. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3530. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3531. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3533. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3534. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3535. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3536. }
  3537. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3538. struct link_params *params,
  3539. u8 fiber_mode)
  3540. {
  3541. struct bnx2x *bp = params->bp;
  3542. u16 val16, digctrl_kx1, digctrl_kx2;
  3543. u8 lane;
  3544. lane = bnx2x_get_warpcore_lane(phy, params);
  3545. /* Clear XFI clock comp in non-10G single lane mode. */
  3546. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_RX66_CONTROL, &val16);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3550. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3551. /* SGMII Autoneg */
  3552. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3556. val16 | 0x1000);
  3557. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3558. } else {
  3559. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3561. val16 &= 0xcfbf;
  3562. switch (phy->req_line_speed) {
  3563. case SPEED_10:
  3564. break;
  3565. case SPEED_100:
  3566. val16 |= 0x2000;
  3567. break;
  3568. case SPEED_1000:
  3569. val16 |= 0x0040;
  3570. break;
  3571. default:
  3572. DP(NETIF_MSG_LINK,
  3573. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3574. return;
  3575. }
  3576. if (phy->req_duplex == DUPLEX_FULL)
  3577. val16 |= 0x0100;
  3578. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3579. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3580. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3581. phy->req_line_speed);
  3582. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3584. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3585. }
  3586. /* SGMII Slave mode and disable signal detect */
  3587. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3589. if (fiber_mode)
  3590. digctrl_kx1 = 1;
  3591. else
  3592. digctrl_kx1 &= 0xff4a;
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3595. digctrl_kx1);
  3596. /* Turn off parallel detect */
  3597. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3599. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3601. (digctrl_kx2 & ~(1<<2)));
  3602. /* Re-enable parallel detect */
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3605. (digctrl_kx2 | (1<<2)));
  3606. /* Enable autodet */
  3607. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3608. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3609. (digctrl_kx1 | 0x10));
  3610. }
  3611. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3612. struct bnx2x_phy *phy,
  3613. u8 reset)
  3614. {
  3615. u16 val;
  3616. /* Take lane out of reset after configuration is finished */
  3617. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3618. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3619. if (reset)
  3620. val |= 0xC000;
  3621. else
  3622. val &= 0x3FFF;
  3623. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3624. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3625. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3626. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3627. }
  3628. /* Clear SFI/XFI link settings registers */
  3629. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3630. struct link_params *params,
  3631. u16 lane)
  3632. {
  3633. struct bnx2x *bp = params->bp;
  3634. u16 val16;
  3635. /* Set XFI clock comp as default. */
  3636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_RX66_CONTROL, &val16);
  3638. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3640. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3641. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3644. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3646. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3654. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3656. lane = bnx2x_get_warpcore_lane(phy, params);
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3659. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3660. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3663. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3665. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3666. }
  3667. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3668. u32 chip_id,
  3669. u32 shmem_base, u8 port,
  3670. u8 *gpio_num, u8 *gpio_port)
  3671. {
  3672. u32 cfg_pin;
  3673. *gpio_num = 0;
  3674. *gpio_port = 0;
  3675. if (CHIP_IS_E3(bp)) {
  3676. cfg_pin = (REG_RD(bp, shmem_base +
  3677. offsetof(struct shmem_region,
  3678. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3679. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3680. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3681. /*
  3682. * Should not happen. This function called upon interrupt
  3683. * triggered by GPIO ( since EPIO can only generate interrupts
  3684. * to MCP).
  3685. * So if this function was called and none of the GPIOs was set,
  3686. * it means the shit hit the fan.
  3687. */
  3688. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3689. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3690. DP(NETIF_MSG_LINK,
  3691. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3692. cfg_pin);
  3693. return -EINVAL;
  3694. }
  3695. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3696. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3697. } else {
  3698. *gpio_num = MISC_REGISTERS_GPIO_3;
  3699. *gpio_port = port;
  3700. }
  3701. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3702. return 0;
  3703. }
  3704. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3705. struct link_params *params)
  3706. {
  3707. struct bnx2x *bp = params->bp;
  3708. u8 gpio_num, gpio_port;
  3709. u32 gpio_val;
  3710. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3711. params->shmem_base, params->port,
  3712. &gpio_num, &gpio_port) != 0)
  3713. return 0;
  3714. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3715. /* Call the handling function in case module is detected */
  3716. if (gpio_val == 0)
  3717. return 1;
  3718. else
  3719. return 0;
  3720. }
  3721. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3722. struct link_params *params)
  3723. {
  3724. u16 gp2_status_reg0, lane;
  3725. struct bnx2x *bp = params->bp;
  3726. lane = bnx2x_get_warpcore_lane(phy, params);
  3727. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3728. &gp2_status_reg0);
  3729. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3730. }
  3731. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3732. struct link_params *params,
  3733. struct link_vars *vars)
  3734. {
  3735. struct bnx2x *bp = params->bp;
  3736. u32 serdes_net_if;
  3737. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3738. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3739. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3740. if (!vars->turn_to_run_wc_rt)
  3741. return;
  3742. /* return if there is no link partner */
  3743. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3744. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3745. return;
  3746. }
  3747. if (vars->rx_tx_asic_rst) {
  3748. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3749. offsetof(struct shmem_region, dev_info.
  3750. port_hw_config[params->port].default_cfg)) &
  3751. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3752. switch (serdes_net_if) {
  3753. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3754. /* Do we get link yet? */
  3755. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3756. &gp_status1);
  3757. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3758. /*10G KR*/
  3759. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3760. DP(NETIF_MSG_LINK,
  3761. "gp_status1 0x%x\n", gp_status1);
  3762. if (lnkup_kr || lnkup) {
  3763. vars->rx_tx_asic_rst = 0;
  3764. DP(NETIF_MSG_LINK,
  3765. "link up, rx_tx_asic_rst 0x%x\n",
  3766. vars->rx_tx_asic_rst);
  3767. } else {
  3768. /*reset the lane to see if link comes up.*/
  3769. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3770. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3771. /* restart Autoneg */
  3772. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3773. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3774. vars->rx_tx_asic_rst--;
  3775. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3776. vars->rx_tx_asic_rst);
  3777. }
  3778. break;
  3779. default:
  3780. break;
  3781. }
  3782. } /*params->rx_tx_asic_rst*/
  3783. }
  3784. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3785. struct link_params *params,
  3786. struct link_vars *vars)
  3787. {
  3788. struct bnx2x *bp = params->bp;
  3789. u32 serdes_net_if;
  3790. u8 fiber_mode;
  3791. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3792. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3793. offsetof(struct shmem_region, dev_info.
  3794. port_hw_config[params->port].default_cfg)) &
  3795. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3796. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3797. "serdes_net_if = 0x%x\n",
  3798. vars->line_speed, serdes_net_if);
  3799. bnx2x_set_aer_mmd(params, phy);
  3800. vars->phy_flags |= PHY_XGXS_FLAG;
  3801. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3802. (phy->req_line_speed &&
  3803. ((phy->req_line_speed == SPEED_100) ||
  3804. (phy->req_line_speed == SPEED_10)))) {
  3805. vars->phy_flags |= PHY_SGMII_FLAG;
  3806. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3807. bnx2x_warpcore_clear_regs(phy, params, lane);
  3808. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3809. } else {
  3810. switch (serdes_net_if) {
  3811. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3812. /* Enable KR Auto Neg */
  3813. if (params->loopback_mode == LOOPBACK_NONE)
  3814. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3815. else {
  3816. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3817. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3818. }
  3819. break;
  3820. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3821. bnx2x_warpcore_clear_regs(phy, params, lane);
  3822. if (vars->line_speed == SPEED_10000) {
  3823. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3824. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3825. } else {
  3826. if (SINGLE_MEDIA_DIRECT(params)) {
  3827. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3828. fiber_mode = 1;
  3829. } else {
  3830. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3831. fiber_mode = 0;
  3832. }
  3833. bnx2x_warpcore_set_sgmii_speed(phy,
  3834. params,
  3835. fiber_mode);
  3836. }
  3837. break;
  3838. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3839. bnx2x_warpcore_clear_regs(phy, params, lane);
  3840. if (vars->line_speed == SPEED_10000) {
  3841. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3842. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3843. } else if (vars->line_speed == SPEED_1000) {
  3844. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3845. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3846. }
  3847. /* Issue Module detection */
  3848. if (bnx2x_is_sfp_module_plugged(phy, params))
  3849. bnx2x_sfp_module_detection(phy, params);
  3850. break;
  3851. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3852. if (vars->line_speed != SPEED_20000) {
  3853. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3854. return;
  3855. }
  3856. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3857. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3858. /* Issue Module detection */
  3859. bnx2x_sfp_module_detection(phy, params);
  3860. break;
  3861. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3862. if (vars->line_speed != SPEED_20000) {
  3863. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3864. return;
  3865. }
  3866. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3867. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3868. break;
  3869. default:
  3870. DP(NETIF_MSG_LINK,
  3871. "Unsupported Serdes Net Interface 0x%x\n",
  3872. serdes_net_if);
  3873. return;
  3874. }
  3875. }
  3876. /* Take lane out of reset after configuration is finished */
  3877. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3878. DP(NETIF_MSG_LINK, "Exit config init\n");
  3879. }
  3880. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3881. struct bnx2x_phy *phy,
  3882. u8 tx_en)
  3883. {
  3884. struct bnx2x *bp = params->bp;
  3885. u32 cfg_pin;
  3886. u8 port = params->port;
  3887. cfg_pin = REG_RD(bp, params->shmem_base +
  3888. offsetof(struct shmem_region,
  3889. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3890. PORT_HW_CFG_TX_LASER_MASK;
  3891. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3892. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3893. /* For 20G, the expected pin to be used is 3 pins after the current */
  3894. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3895. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3896. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3897. }
  3898. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3899. struct link_params *params)
  3900. {
  3901. struct bnx2x *bp = params->bp;
  3902. u16 val16;
  3903. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3904. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3905. bnx2x_set_aer_mmd(params, phy);
  3906. /* Global register */
  3907. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3908. /* Clear loopback settings (if any) */
  3909. /* 10G & 20G */
  3910. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3911. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3912. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3913. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3914. 0xBFFF);
  3915. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3916. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3917. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3918. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3919. /* Update those 1-copy registers */
  3920. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3921. MDIO_AER_BLOCK_AER_REG, 0);
  3922. /* Enable 1G MDIO (1-copy) */
  3923. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3924. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3925. &val16);
  3926. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3927. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3928. val16 & ~0x10);
  3929. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3930. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3931. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3932. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3933. val16 & 0xff00);
  3934. }
  3935. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3936. struct link_params *params)
  3937. {
  3938. struct bnx2x *bp = params->bp;
  3939. u16 val16;
  3940. u32 lane;
  3941. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3942. params->loopback_mode, phy->req_line_speed);
  3943. if (phy->req_line_speed < SPEED_10000) {
  3944. /* 10/100/1000 */
  3945. /* Update those 1-copy registers */
  3946. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3947. MDIO_AER_BLOCK_AER_REG, 0);
  3948. /* Enable 1G MDIO (1-copy) */
  3949. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3950. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3951. &val16);
  3952. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3953. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3954. val16 | 0x10);
  3955. /* Set 1G loopback based on lane (1-copy) */
  3956. lane = bnx2x_get_warpcore_lane(phy, params);
  3957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3958. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3959. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3960. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3961. val16 | (1<<lane));
  3962. /* Switch back to 4-copy registers */
  3963. bnx2x_set_aer_mmd(params, phy);
  3964. /* Global loopback, not recommended. */
  3965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3967. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3969. 0x4000);
  3970. } else {
  3971. /* 10G & 20G */
  3972. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3973. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3974. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3975. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3976. 0x4000);
  3977. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3981. }
  3982. }
  3983. void bnx2x_link_status_update(struct link_params *params,
  3984. struct link_vars *vars)
  3985. {
  3986. struct bnx2x *bp = params->bp;
  3987. u8 link_10g_plus;
  3988. u8 port = params->port;
  3989. u32 sync_offset, media_types;
  3990. /* Update PHY configuration */
  3991. set_phy_vars(params, vars);
  3992. vars->link_status = REG_RD(bp, params->shmem_base +
  3993. offsetof(struct shmem_region,
  3994. port_mb[port].link_status));
  3995. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3996. vars->phy_flags = PHY_XGXS_FLAG;
  3997. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3998. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3999. if (vars->link_up) {
  4000. DP(NETIF_MSG_LINK, "phy link up\n");
  4001. vars->phy_link_up = 1;
  4002. vars->duplex = DUPLEX_FULL;
  4003. switch (vars->link_status &
  4004. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4005. case LINK_10THD:
  4006. vars->duplex = DUPLEX_HALF;
  4007. /* fall thru */
  4008. case LINK_10TFD:
  4009. vars->line_speed = SPEED_10;
  4010. break;
  4011. case LINK_100TXHD:
  4012. vars->duplex = DUPLEX_HALF;
  4013. /* fall thru */
  4014. case LINK_100T4:
  4015. case LINK_100TXFD:
  4016. vars->line_speed = SPEED_100;
  4017. break;
  4018. case LINK_1000THD:
  4019. vars->duplex = DUPLEX_HALF;
  4020. /* fall thru */
  4021. case LINK_1000TFD:
  4022. vars->line_speed = SPEED_1000;
  4023. break;
  4024. case LINK_2500THD:
  4025. vars->duplex = DUPLEX_HALF;
  4026. /* fall thru */
  4027. case LINK_2500TFD:
  4028. vars->line_speed = SPEED_2500;
  4029. break;
  4030. case LINK_10GTFD:
  4031. vars->line_speed = SPEED_10000;
  4032. break;
  4033. case LINK_20GTFD:
  4034. vars->line_speed = SPEED_20000;
  4035. break;
  4036. default:
  4037. break;
  4038. }
  4039. vars->flow_ctrl = 0;
  4040. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4041. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4042. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4043. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4044. if (!vars->flow_ctrl)
  4045. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4046. if (vars->line_speed &&
  4047. ((vars->line_speed == SPEED_10) ||
  4048. (vars->line_speed == SPEED_100))) {
  4049. vars->phy_flags |= PHY_SGMII_FLAG;
  4050. } else {
  4051. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4052. }
  4053. if (vars->line_speed &&
  4054. USES_WARPCORE(bp) &&
  4055. (vars->line_speed == SPEED_1000))
  4056. vars->phy_flags |= PHY_SGMII_FLAG;
  4057. /* anything 10 and over uses the bmac */
  4058. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4059. if (link_10g_plus) {
  4060. if (USES_WARPCORE(bp))
  4061. vars->mac_type = MAC_TYPE_XMAC;
  4062. else
  4063. vars->mac_type = MAC_TYPE_BMAC;
  4064. } else {
  4065. if (USES_WARPCORE(bp))
  4066. vars->mac_type = MAC_TYPE_UMAC;
  4067. else
  4068. vars->mac_type = MAC_TYPE_EMAC;
  4069. }
  4070. } else { /* link down */
  4071. DP(NETIF_MSG_LINK, "phy link down\n");
  4072. vars->phy_link_up = 0;
  4073. vars->line_speed = 0;
  4074. vars->duplex = DUPLEX_FULL;
  4075. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4076. /* indicate no mac active */
  4077. vars->mac_type = MAC_TYPE_NONE;
  4078. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4079. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4080. }
  4081. /* Sync media type */
  4082. sync_offset = params->shmem_base +
  4083. offsetof(struct shmem_region,
  4084. dev_info.port_hw_config[port].media_type);
  4085. media_types = REG_RD(bp, sync_offset);
  4086. params->phy[INT_PHY].media_type =
  4087. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4088. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4089. params->phy[EXT_PHY1].media_type =
  4090. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4091. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4092. params->phy[EXT_PHY2].media_type =
  4093. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4094. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4095. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4096. /* Sync AEU offset */
  4097. sync_offset = params->shmem_base +
  4098. offsetof(struct shmem_region,
  4099. dev_info.port_hw_config[port].aeu_int_mask);
  4100. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4101. /* Sync PFC status */
  4102. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4103. params->feature_config_flags |=
  4104. FEATURE_CONFIG_PFC_ENABLED;
  4105. else
  4106. params->feature_config_flags &=
  4107. ~FEATURE_CONFIG_PFC_ENABLED;
  4108. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4109. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4110. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4111. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4112. }
  4113. static void bnx2x_set_master_ln(struct link_params *params,
  4114. struct bnx2x_phy *phy)
  4115. {
  4116. struct bnx2x *bp = params->bp;
  4117. u16 new_master_ln, ser_lane;
  4118. ser_lane = ((params->lane_config &
  4119. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4120. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4121. /* set the master_ln for AN */
  4122. CL22_RD_OVER_CL45(bp, phy,
  4123. MDIO_REG_BANK_XGXS_BLOCK2,
  4124. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4125. &new_master_ln);
  4126. CL22_WR_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4128. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4129. (new_master_ln | ser_lane));
  4130. }
  4131. static int bnx2x_reset_unicore(struct link_params *params,
  4132. struct bnx2x_phy *phy,
  4133. u8 set_serdes)
  4134. {
  4135. struct bnx2x *bp = params->bp;
  4136. u16 mii_control;
  4137. u16 i;
  4138. CL22_RD_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_COMBO_IEEE0,
  4140. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4141. /* reset the unicore */
  4142. CL22_WR_OVER_CL45(bp, phy,
  4143. MDIO_REG_BANK_COMBO_IEEE0,
  4144. MDIO_COMBO_IEEE0_MII_CONTROL,
  4145. (mii_control |
  4146. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4147. if (set_serdes)
  4148. bnx2x_set_serdes_access(bp, params->port);
  4149. /* wait for the reset to self clear */
  4150. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4151. udelay(5);
  4152. /* the reset erased the previous bank value */
  4153. CL22_RD_OVER_CL45(bp, phy,
  4154. MDIO_REG_BANK_COMBO_IEEE0,
  4155. MDIO_COMBO_IEEE0_MII_CONTROL,
  4156. &mii_control);
  4157. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4158. udelay(5);
  4159. return 0;
  4160. }
  4161. }
  4162. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4163. " Port %d\n",
  4164. params->port);
  4165. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4166. return -EINVAL;
  4167. }
  4168. static void bnx2x_set_swap_lanes(struct link_params *params,
  4169. struct bnx2x_phy *phy)
  4170. {
  4171. struct bnx2x *bp = params->bp;
  4172. /*
  4173. * Each two bits represents a lane number:
  4174. * No swap is 0123 => 0x1b no need to enable the swap
  4175. */
  4176. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  4177. ser_lane = ((params->lane_config &
  4178. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4179. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4180. rx_lane_swap = ((params->lane_config &
  4181. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4182. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4183. tx_lane_swap = ((params->lane_config &
  4184. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4185. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4186. if (rx_lane_swap != 0x1b) {
  4187. CL22_WR_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_XGXS_BLOCK2,
  4189. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4190. (rx_lane_swap |
  4191. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4192. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4193. } else {
  4194. CL22_WR_OVER_CL45(bp, phy,
  4195. MDIO_REG_BANK_XGXS_BLOCK2,
  4196. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4197. }
  4198. if (tx_lane_swap != 0x1b) {
  4199. CL22_WR_OVER_CL45(bp, phy,
  4200. MDIO_REG_BANK_XGXS_BLOCK2,
  4201. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4202. (tx_lane_swap |
  4203. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4204. } else {
  4205. CL22_WR_OVER_CL45(bp, phy,
  4206. MDIO_REG_BANK_XGXS_BLOCK2,
  4207. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4208. }
  4209. }
  4210. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4211. struct link_params *params)
  4212. {
  4213. struct bnx2x *bp = params->bp;
  4214. u16 control2;
  4215. CL22_RD_OVER_CL45(bp, phy,
  4216. MDIO_REG_BANK_SERDES_DIGITAL,
  4217. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4218. &control2);
  4219. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4220. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4221. else
  4222. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4223. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4224. phy->speed_cap_mask, control2);
  4225. CL22_WR_OVER_CL45(bp, phy,
  4226. MDIO_REG_BANK_SERDES_DIGITAL,
  4227. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4228. control2);
  4229. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4230. (phy->speed_cap_mask &
  4231. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4232. DP(NETIF_MSG_LINK, "XGXS\n");
  4233. CL22_WR_OVER_CL45(bp, phy,
  4234. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4235. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4236. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4237. CL22_RD_OVER_CL45(bp, phy,
  4238. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4239. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4240. &control2);
  4241. control2 |=
  4242. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4243. CL22_WR_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4245. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4246. control2);
  4247. /* Disable parallel detection of HiG */
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_XGXS_BLOCK2,
  4250. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4251. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4252. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4253. }
  4254. }
  4255. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4256. struct link_params *params,
  4257. struct link_vars *vars,
  4258. u8 enable_cl73)
  4259. {
  4260. struct bnx2x *bp = params->bp;
  4261. u16 reg_val;
  4262. /* CL37 Autoneg */
  4263. CL22_RD_OVER_CL45(bp, phy,
  4264. MDIO_REG_BANK_COMBO_IEEE0,
  4265. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4266. /* CL37 Autoneg Enabled */
  4267. if (vars->line_speed == SPEED_AUTO_NEG)
  4268. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4269. else /* CL37 Autoneg Disabled */
  4270. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4271. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4272. CL22_WR_OVER_CL45(bp, phy,
  4273. MDIO_REG_BANK_COMBO_IEEE0,
  4274. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4275. /* Enable/Disable Autodetection */
  4276. CL22_RD_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_SERDES_DIGITAL,
  4278. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4279. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4280. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4281. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4282. if (vars->line_speed == SPEED_AUTO_NEG)
  4283. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4284. else
  4285. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_SERDES_DIGITAL,
  4288. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4289. /* Enable TetonII and BAM autoneg */
  4290. CL22_RD_OVER_CL45(bp, phy,
  4291. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4292. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4293. &reg_val);
  4294. if (vars->line_speed == SPEED_AUTO_NEG) {
  4295. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4296. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4297. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4298. } else {
  4299. /* TetonII and BAM Autoneg Disabled */
  4300. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4301. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4302. }
  4303. CL22_WR_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4305. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4306. reg_val);
  4307. if (enable_cl73) {
  4308. /* Enable Cl73 FSM status bits */
  4309. CL22_WR_OVER_CL45(bp, phy,
  4310. MDIO_REG_BANK_CL73_USERB0,
  4311. MDIO_CL73_USERB0_CL73_UCTRL,
  4312. 0xe);
  4313. /* Enable BAM Station Manager*/
  4314. CL22_WR_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_CL73_USERB0,
  4316. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4317. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4318. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4319. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4320. /* Advertise CL73 link speeds */
  4321. CL22_RD_OVER_CL45(bp, phy,
  4322. MDIO_REG_BANK_CL73_IEEEB1,
  4323. MDIO_CL73_IEEEB1_AN_ADV2,
  4324. &reg_val);
  4325. if (phy->speed_cap_mask &
  4326. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4327. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4328. if (phy->speed_cap_mask &
  4329. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4330. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4331. CL22_WR_OVER_CL45(bp, phy,
  4332. MDIO_REG_BANK_CL73_IEEEB1,
  4333. MDIO_CL73_IEEEB1_AN_ADV2,
  4334. reg_val);
  4335. /* CL73 Autoneg Enabled */
  4336. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4337. } else /* CL73 Autoneg Disabled */
  4338. reg_val = 0;
  4339. CL22_WR_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_CL73_IEEEB0,
  4341. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4342. }
  4343. /* program SerDes, forced speed */
  4344. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4345. struct link_params *params,
  4346. struct link_vars *vars)
  4347. {
  4348. struct bnx2x *bp = params->bp;
  4349. u16 reg_val;
  4350. /* program duplex, disable autoneg and sgmii*/
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_COMBO_IEEE0,
  4353. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4354. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4355. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4356. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4357. if (phy->req_duplex == DUPLEX_FULL)
  4358. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4359. CL22_WR_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_COMBO_IEEE0,
  4361. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4362. /*
  4363. * program speed
  4364. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4365. */
  4366. CL22_RD_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_SERDES_DIGITAL,
  4368. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4369. /* clearing the speed value before setting the right speed */
  4370. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4371. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4372. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4373. if (!((vars->line_speed == SPEED_1000) ||
  4374. (vars->line_speed == SPEED_100) ||
  4375. (vars->line_speed == SPEED_10))) {
  4376. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4377. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4378. if (vars->line_speed == SPEED_10000)
  4379. reg_val |=
  4380. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4381. }
  4382. CL22_WR_OVER_CL45(bp, phy,
  4383. MDIO_REG_BANK_SERDES_DIGITAL,
  4384. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4385. }
  4386. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4387. struct link_params *params)
  4388. {
  4389. struct bnx2x *bp = params->bp;
  4390. u16 val = 0;
  4391. /* configure the 48 bits for BAM AN */
  4392. /* set extended capabilities */
  4393. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4394. val |= MDIO_OVER_1G_UP1_2_5G;
  4395. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4396. val |= MDIO_OVER_1G_UP1_10G;
  4397. CL22_WR_OVER_CL45(bp, phy,
  4398. MDIO_REG_BANK_OVER_1G,
  4399. MDIO_OVER_1G_UP1, val);
  4400. CL22_WR_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_OVER_1G,
  4402. MDIO_OVER_1G_UP3, 0x400);
  4403. }
  4404. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4405. struct link_params *params,
  4406. u16 ieee_fc)
  4407. {
  4408. struct bnx2x *bp = params->bp;
  4409. u16 val;
  4410. /* for AN, we are always publishing full duplex */
  4411. CL22_WR_OVER_CL45(bp, phy,
  4412. MDIO_REG_BANK_COMBO_IEEE0,
  4413. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4414. CL22_RD_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_CL73_IEEEB1,
  4416. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4417. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4418. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4419. CL22_WR_OVER_CL45(bp, phy,
  4420. MDIO_REG_BANK_CL73_IEEEB1,
  4421. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4422. }
  4423. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4424. struct link_params *params,
  4425. u8 enable_cl73)
  4426. {
  4427. struct bnx2x *bp = params->bp;
  4428. u16 mii_control;
  4429. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4430. /* Enable and restart BAM/CL37 aneg */
  4431. if (enable_cl73) {
  4432. CL22_RD_OVER_CL45(bp, phy,
  4433. MDIO_REG_BANK_CL73_IEEEB0,
  4434. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4435. &mii_control);
  4436. CL22_WR_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_CL73_IEEEB0,
  4438. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4439. (mii_control |
  4440. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4441. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4442. } else {
  4443. CL22_RD_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_COMBO_IEEE0,
  4445. MDIO_COMBO_IEEE0_MII_CONTROL,
  4446. &mii_control);
  4447. DP(NETIF_MSG_LINK,
  4448. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4449. mii_control);
  4450. CL22_WR_OVER_CL45(bp, phy,
  4451. MDIO_REG_BANK_COMBO_IEEE0,
  4452. MDIO_COMBO_IEEE0_MII_CONTROL,
  4453. (mii_control |
  4454. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4455. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4456. }
  4457. }
  4458. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4459. struct link_params *params,
  4460. struct link_vars *vars)
  4461. {
  4462. struct bnx2x *bp = params->bp;
  4463. u16 control1;
  4464. /* in SGMII mode, the unicore is always slave */
  4465. CL22_RD_OVER_CL45(bp, phy,
  4466. MDIO_REG_BANK_SERDES_DIGITAL,
  4467. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4468. &control1);
  4469. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4470. /* set sgmii mode (and not fiber) */
  4471. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4472. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4473. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4474. CL22_WR_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_SERDES_DIGITAL,
  4476. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4477. control1);
  4478. /* if forced speed */
  4479. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4480. /* set speed, disable autoneg */
  4481. u16 mii_control;
  4482. CL22_RD_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_COMBO_IEEE0,
  4484. MDIO_COMBO_IEEE0_MII_CONTROL,
  4485. &mii_control);
  4486. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4487. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4488. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4489. switch (vars->line_speed) {
  4490. case SPEED_100:
  4491. mii_control |=
  4492. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4493. break;
  4494. case SPEED_1000:
  4495. mii_control |=
  4496. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4497. break;
  4498. case SPEED_10:
  4499. /* there is nothing to set for 10M */
  4500. break;
  4501. default:
  4502. /* invalid speed for SGMII */
  4503. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4504. vars->line_speed);
  4505. break;
  4506. }
  4507. /* setting the full duplex */
  4508. if (phy->req_duplex == DUPLEX_FULL)
  4509. mii_control |=
  4510. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4511. CL22_WR_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_COMBO_IEEE0,
  4513. MDIO_COMBO_IEEE0_MII_CONTROL,
  4514. mii_control);
  4515. } else { /* AN mode */
  4516. /* enable and restart AN */
  4517. bnx2x_restart_autoneg(phy, params, 0);
  4518. }
  4519. }
  4520. /*
  4521. * link management
  4522. */
  4523. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4524. struct link_params *params)
  4525. {
  4526. struct bnx2x *bp = params->bp;
  4527. u16 pd_10g, status2_1000x;
  4528. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4529. return 0;
  4530. CL22_RD_OVER_CL45(bp, phy,
  4531. MDIO_REG_BANK_SERDES_DIGITAL,
  4532. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4533. &status2_1000x);
  4534. CL22_RD_OVER_CL45(bp, phy,
  4535. MDIO_REG_BANK_SERDES_DIGITAL,
  4536. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4537. &status2_1000x);
  4538. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4539. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4540. params->port);
  4541. return 1;
  4542. }
  4543. CL22_RD_OVER_CL45(bp, phy,
  4544. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4545. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4546. &pd_10g);
  4547. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4548. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4549. params->port);
  4550. return 1;
  4551. }
  4552. return 0;
  4553. }
  4554. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4555. struct link_params *params,
  4556. struct link_vars *vars,
  4557. u32 gp_status)
  4558. {
  4559. struct bnx2x *bp = params->bp;
  4560. u16 ld_pause; /* local driver */
  4561. u16 lp_pause; /* link partner */
  4562. u16 pause_result;
  4563. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4564. /* resolve from gp_status in case of AN complete and not sgmii */
  4565. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4566. vars->flow_ctrl = phy->req_flow_ctrl;
  4567. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4568. vars->flow_ctrl = params->req_fc_auto_adv;
  4569. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4570. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4571. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4572. vars->flow_ctrl = params->req_fc_auto_adv;
  4573. return;
  4574. }
  4575. if ((gp_status &
  4576. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4577. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4578. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4579. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4580. CL22_RD_OVER_CL45(bp, phy,
  4581. MDIO_REG_BANK_CL73_IEEEB1,
  4582. MDIO_CL73_IEEEB1_AN_ADV1,
  4583. &ld_pause);
  4584. CL22_RD_OVER_CL45(bp, phy,
  4585. MDIO_REG_BANK_CL73_IEEEB1,
  4586. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4587. &lp_pause);
  4588. pause_result = (ld_pause &
  4589. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4590. >> 8;
  4591. pause_result |= (lp_pause &
  4592. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4593. >> 10;
  4594. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4595. pause_result);
  4596. } else {
  4597. CL22_RD_OVER_CL45(bp, phy,
  4598. MDIO_REG_BANK_COMBO_IEEE0,
  4599. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4600. &ld_pause);
  4601. CL22_RD_OVER_CL45(bp, phy,
  4602. MDIO_REG_BANK_COMBO_IEEE0,
  4603. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4604. &lp_pause);
  4605. pause_result = (ld_pause &
  4606. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4607. pause_result |= (lp_pause &
  4608. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4609. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4610. pause_result);
  4611. }
  4612. bnx2x_pause_resolve(vars, pause_result);
  4613. }
  4614. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4615. }
  4616. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4617. struct link_params *params)
  4618. {
  4619. struct bnx2x *bp = params->bp;
  4620. u16 rx_status, ustat_val, cl37_fsm_received;
  4621. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4622. /* Step 1: Make sure signal is detected */
  4623. CL22_RD_OVER_CL45(bp, phy,
  4624. MDIO_REG_BANK_RX0,
  4625. MDIO_RX0_RX_STATUS,
  4626. &rx_status);
  4627. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4628. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4629. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4630. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4631. CL22_WR_OVER_CL45(bp, phy,
  4632. MDIO_REG_BANK_CL73_IEEEB0,
  4633. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4634. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4635. return;
  4636. }
  4637. /* Step 2: Check CL73 state machine */
  4638. CL22_RD_OVER_CL45(bp, phy,
  4639. MDIO_REG_BANK_CL73_USERB0,
  4640. MDIO_CL73_USERB0_CL73_USTAT1,
  4641. &ustat_val);
  4642. if ((ustat_val &
  4643. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4644. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4645. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4646. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4647. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4648. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4649. return;
  4650. }
  4651. /*
  4652. * Step 3: Check CL37 Message Pages received to indicate LP
  4653. * supports only CL37
  4654. */
  4655. CL22_RD_OVER_CL45(bp, phy,
  4656. MDIO_REG_BANK_REMOTE_PHY,
  4657. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4658. &cl37_fsm_received);
  4659. if ((cl37_fsm_received &
  4660. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4661. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4662. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4663. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4664. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4665. "misc_rx_status(0x8330) = 0x%x\n",
  4666. cl37_fsm_received);
  4667. return;
  4668. }
  4669. /*
  4670. * The combined cl37/cl73 fsm state information indicating that
  4671. * we are connected to a device which does not support cl73, but
  4672. * does support cl37 BAM. In this case we disable cl73 and
  4673. * restart cl37 auto-neg
  4674. */
  4675. /* Disable CL73 */
  4676. CL22_WR_OVER_CL45(bp, phy,
  4677. MDIO_REG_BANK_CL73_IEEEB0,
  4678. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4679. 0);
  4680. /* Restart CL37 autoneg */
  4681. bnx2x_restart_autoneg(phy, params, 0);
  4682. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4683. }
  4684. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4685. struct link_params *params,
  4686. struct link_vars *vars,
  4687. u32 gp_status)
  4688. {
  4689. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4690. vars->link_status |=
  4691. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4692. if (bnx2x_direct_parallel_detect_used(phy, params))
  4693. vars->link_status |=
  4694. LINK_STATUS_PARALLEL_DETECTION_USED;
  4695. }
  4696. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4697. struct link_params *params,
  4698. struct link_vars *vars,
  4699. u16 is_link_up,
  4700. u16 speed_mask,
  4701. u16 is_duplex)
  4702. {
  4703. struct bnx2x *bp = params->bp;
  4704. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4705. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4706. if (is_link_up) {
  4707. DP(NETIF_MSG_LINK, "phy link up\n");
  4708. vars->phy_link_up = 1;
  4709. vars->link_status |= LINK_STATUS_LINK_UP;
  4710. switch (speed_mask) {
  4711. case GP_STATUS_10M:
  4712. vars->line_speed = SPEED_10;
  4713. if (vars->duplex == DUPLEX_FULL)
  4714. vars->link_status |= LINK_10TFD;
  4715. else
  4716. vars->link_status |= LINK_10THD;
  4717. break;
  4718. case GP_STATUS_100M:
  4719. vars->line_speed = SPEED_100;
  4720. if (vars->duplex == DUPLEX_FULL)
  4721. vars->link_status |= LINK_100TXFD;
  4722. else
  4723. vars->link_status |= LINK_100TXHD;
  4724. break;
  4725. case GP_STATUS_1G:
  4726. case GP_STATUS_1G_KX:
  4727. vars->line_speed = SPEED_1000;
  4728. if (vars->duplex == DUPLEX_FULL)
  4729. vars->link_status |= LINK_1000TFD;
  4730. else
  4731. vars->link_status |= LINK_1000THD;
  4732. break;
  4733. case GP_STATUS_2_5G:
  4734. vars->line_speed = SPEED_2500;
  4735. if (vars->duplex == DUPLEX_FULL)
  4736. vars->link_status |= LINK_2500TFD;
  4737. else
  4738. vars->link_status |= LINK_2500THD;
  4739. break;
  4740. case GP_STATUS_5G:
  4741. case GP_STATUS_6G:
  4742. DP(NETIF_MSG_LINK,
  4743. "link speed unsupported gp_status 0x%x\n",
  4744. speed_mask);
  4745. return -EINVAL;
  4746. case GP_STATUS_10G_KX4:
  4747. case GP_STATUS_10G_HIG:
  4748. case GP_STATUS_10G_CX4:
  4749. case GP_STATUS_10G_KR:
  4750. case GP_STATUS_10G_SFI:
  4751. case GP_STATUS_10G_XFI:
  4752. vars->line_speed = SPEED_10000;
  4753. vars->link_status |= LINK_10GTFD;
  4754. break;
  4755. case GP_STATUS_20G_DXGXS:
  4756. vars->line_speed = SPEED_20000;
  4757. vars->link_status |= LINK_20GTFD;
  4758. break;
  4759. default:
  4760. DP(NETIF_MSG_LINK,
  4761. "link speed unsupported gp_status 0x%x\n",
  4762. speed_mask);
  4763. return -EINVAL;
  4764. }
  4765. } else { /* link_down */
  4766. DP(NETIF_MSG_LINK, "phy link down\n");
  4767. vars->phy_link_up = 0;
  4768. vars->duplex = DUPLEX_FULL;
  4769. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4770. vars->mac_type = MAC_TYPE_NONE;
  4771. }
  4772. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4773. vars->phy_link_up, vars->line_speed);
  4774. return 0;
  4775. }
  4776. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4777. struct link_params *params,
  4778. struct link_vars *vars)
  4779. {
  4780. struct bnx2x *bp = params->bp;
  4781. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4782. int rc = 0;
  4783. /* Read gp_status */
  4784. CL22_RD_OVER_CL45(bp, phy,
  4785. MDIO_REG_BANK_GP_STATUS,
  4786. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4787. &gp_status);
  4788. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4789. duplex = DUPLEX_FULL;
  4790. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4791. link_up = 1;
  4792. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4793. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4794. gp_status, link_up, speed_mask);
  4795. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4796. duplex);
  4797. if (rc == -EINVAL)
  4798. return rc;
  4799. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4800. if (SINGLE_MEDIA_DIRECT(params)) {
  4801. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4802. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4803. bnx2x_xgxs_an_resolve(phy, params, vars,
  4804. gp_status);
  4805. }
  4806. } else { /* link_down */
  4807. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4808. SINGLE_MEDIA_DIRECT(params)) {
  4809. /* Check signal is detected */
  4810. bnx2x_check_fallback_to_cl37(phy, params);
  4811. }
  4812. }
  4813. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4814. vars->duplex, vars->flow_ctrl, vars->link_status);
  4815. return rc;
  4816. }
  4817. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4818. struct link_params *params,
  4819. struct link_vars *vars)
  4820. {
  4821. struct bnx2x *bp = params->bp;
  4822. u8 lane;
  4823. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4824. int rc = 0;
  4825. lane = bnx2x_get_warpcore_lane(phy, params);
  4826. /* Read gp_status */
  4827. if (phy->req_line_speed > SPEED_10000) {
  4828. u16 temp_link_up;
  4829. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4830. 1, &temp_link_up);
  4831. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4832. 1, &link_up);
  4833. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4834. temp_link_up, link_up);
  4835. link_up &= (1<<2);
  4836. if (link_up)
  4837. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4838. } else {
  4839. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4840. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4841. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4842. /* Check for either KR or generic link up. */
  4843. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4844. ((gp_status1 >> 12) & 0xf);
  4845. link_up = gp_status1 & (1 << lane);
  4846. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4847. u16 pd, gp_status4;
  4848. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4849. /* Check Autoneg complete */
  4850. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4851. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4852. &gp_status4);
  4853. if (gp_status4 & ((1<<12)<<lane))
  4854. vars->link_status |=
  4855. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4856. /* Check parallel detect used */
  4857. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4858. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4859. &pd);
  4860. if (pd & (1<<15))
  4861. vars->link_status |=
  4862. LINK_STATUS_PARALLEL_DETECTION_USED;
  4863. }
  4864. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4865. }
  4866. }
  4867. if (lane < 2) {
  4868. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4869. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4870. } else {
  4871. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4872. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4873. }
  4874. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4875. if ((lane & 1) == 0)
  4876. gp_speed <<= 8;
  4877. gp_speed &= 0x3f00;
  4878. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4879. duplex);
  4880. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4881. vars->duplex, vars->flow_ctrl, vars->link_status);
  4882. return rc;
  4883. }
  4884. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4885. {
  4886. struct bnx2x *bp = params->bp;
  4887. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4888. u16 lp_up2;
  4889. u16 tx_driver;
  4890. u16 bank;
  4891. /* read precomp */
  4892. CL22_RD_OVER_CL45(bp, phy,
  4893. MDIO_REG_BANK_OVER_1G,
  4894. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4895. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4896. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4897. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4898. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4899. if (lp_up2 == 0)
  4900. return;
  4901. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4902. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4903. CL22_RD_OVER_CL45(bp, phy,
  4904. bank,
  4905. MDIO_TX0_TX_DRIVER, &tx_driver);
  4906. /* replace tx_driver bits [15:12] */
  4907. if (lp_up2 !=
  4908. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4909. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4910. tx_driver |= lp_up2;
  4911. CL22_WR_OVER_CL45(bp, phy,
  4912. bank,
  4913. MDIO_TX0_TX_DRIVER, tx_driver);
  4914. }
  4915. }
  4916. }
  4917. static int bnx2x_emac_program(struct link_params *params,
  4918. struct link_vars *vars)
  4919. {
  4920. struct bnx2x *bp = params->bp;
  4921. u8 port = params->port;
  4922. u16 mode = 0;
  4923. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4924. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4925. EMAC_REG_EMAC_MODE,
  4926. (EMAC_MODE_25G_MODE |
  4927. EMAC_MODE_PORT_MII_10M |
  4928. EMAC_MODE_HALF_DUPLEX));
  4929. switch (vars->line_speed) {
  4930. case SPEED_10:
  4931. mode |= EMAC_MODE_PORT_MII_10M;
  4932. break;
  4933. case SPEED_100:
  4934. mode |= EMAC_MODE_PORT_MII;
  4935. break;
  4936. case SPEED_1000:
  4937. mode |= EMAC_MODE_PORT_GMII;
  4938. break;
  4939. case SPEED_2500:
  4940. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4941. break;
  4942. default:
  4943. /* 10G not valid for EMAC */
  4944. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4945. vars->line_speed);
  4946. return -EINVAL;
  4947. }
  4948. if (vars->duplex == DUPLEX_HALF)
  4949. mode |= EMAC_MODE_HALF_DUPLEX;
  4950. bnx2x_bits_en(bp,
  4951. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4952. mode);
  4953. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4954. return 0;
  4955. }
  4956. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4957. struct link_params *params)
  4958. {
  4959. u16 bank, i = 0;
  4960. struct bnx2x *bp = params->bp;
  4961. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4962. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4963. CL22_WR_OVER_CL45(bp, phy,
  4964. bank,
  4965. MDIO_RX0_RX_EQ_BOOST,
  4966. phy->rx_preemphasis[i]);
  4967. }
  4968. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4969. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4970. CL22_WR_OVER_CL45(bp, phy,
  4971. bank,
  4972. MDIO_TX0_TX_DRIVER,
  4973. phy->tx_preemphasis[i]);
  4974. }
  4975. }
  4976. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4977. struct link_params *params,
  4978. struct link_vars *vars)
  4979. {
  4980. struct bnx2x *bp = params->bp;
  4981. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4982. (params->loopback_mode == LOOPBACK_XGXS));
  4983. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4984. if (SINGLE_MEDIA_DIRECT(params) &&
  4985. (params->feature_config_flags &
  4986. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4987. bnx2x_set_preemphasis(phy, params);
  4988. /* forced speed requested? */
  4989. if (vars->line_speed != SPEED_AUTO_NEG ||
  4990. (SINGLE_MEDIA_DIRECT(params) &&
  4991. params->loopback_mode == LOOPBACK_EXT)) {
  4992. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4993. /* disable autoneg */
  4994. bnx2x_set_autoneg(phy, params, vars, 0);
  4995. /* program speed and duplex */
  4996. bnx2x_program_serdes(phy, params, vars);
  4997. } else { /* AN_mode */
  4998. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4999. /* AN enabled */
  5000. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5001. /* program duplex & pause advertisement (for aneg) */
  5002. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5003. vars->ieee_fc);
  5004. /* enable autoneg */
  5005. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5006. /* enable and restart AN */
  5007. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5008. }
  5009. } else { /* SGMII mode */
  5010. DP(NETIF_MSG_LINK, "SGMII\n");
  5011. bnx2x_initialize_sgmii_process(phy, params, vars);
  5012. }
  5013. }
  5014. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5015. struct link_params *params,
  5016. struct link_vars *vars)
  5017. {
  5018. int rc;
  5019. vars->phy_flags |= PHY_XGXS_FLAG;
  5020. if ((phy->req_line_speed &&
  5021. ((phy->req_line_speed == SPEED_100) ||
  5022. (phy->req_line_speed == SPEED_10))) ||
  5023. (!phy->req_line_speed &&
  5024. (phy->speed_cap_mask >=
  5025. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5026. (phy->speed_cap_mask <
  5027. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5028. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5029. vars->phy_flags |= PHY_SGMII_FLAG;
  5030. else
  5031. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5032. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5033. bnx2x_set_aer_mmd(params, phy);
  5034. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5035. bnx2x_set_master_ln(params, phy);
  5036. rc = bnx2x_reset_unicore(params, phy, 0);
  5037. /* reset the SerDes and wait for reset bit return low */
  5038. if (rc != 0)
  5039. return rc;
  5040. bnx2x_set_aer_mmd(params, phy);
  5041. /* setting the masterLn_def again after the reset */
  5042. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5043. bnx2x_set_master_ln(params, phy);
  5044. bnx2x_set_swap_lanes(params, phy);
  5045. }
  5046. return rc;
  5047. }
  5048. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5049. struct bnx2x_phy *phy,
  5050. struct link_params *params)
  5051. {
  5052. u16 cnt, ctrl;
  5053. /* Wait for soft reset to get cleared up to 1 sec */
  5054. for (cnt = 0; cnt < 1000; cnt++) {
  5055. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5056. bnx2x_cl22_read(bp, phy,
  5057. MDIO_PMA_REG_CTRL, &ctrl);
  5058. else
  5059. bnx2x_cl45_read(bp, phy,
  5060. MDIO_PMA_DEVAD,
  5061. MDIO_PMA_REG_CTRL, &ctrl);
  5062. if (!(ctrl & (1<<15)))
  5063. break;
  5064. msleep(1);
  5065. }
  5066. if (cnt == 1000)
  5067. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5068. " Port %d\n",
  5069. params->port);
  5070. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5071. return cnt;
  5072. }
  5073. static void bnx2x_link_int_enable(struct link_params *params)
  5074. {
  5075. u8 port = params->port;
  5076. u32 mask;
  5077. struct bnx2x *bp = params->bp;
  5078. /* Setting the status to report on link up for either XGXS or SerDes */
  5079. if (CHIP_IS_E3(bp)) {
  5080. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5081. if (!(SINGLE_MEDIA_DIRECT(params)))
  5082. mask |= NIG_MASK_MI_INT;
  5083. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5084. mask = (NIG_MASK_XGXS0_LINK10G |
  5085. NIG_MASK_XGXS0_LINK_STATUS);
  5086. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5087. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5088. params->phy[INT_PHY].type !=
  5089. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5090. mask |= NIG_MASK_MI_INT;
  5091. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5092. }
  5093. } else { /* SerDes */
  5094. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5095. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5096. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5097. params->phy[INT_PHY].type !=
  5098. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5099. mask |= NIG_MASK_MI_INT;
  5100. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5101. }
  5102. }
  5103. bnx2x_bits_en(bp,
  5104. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5105. mask);
  5106. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5107. (params->switch_cfg == SWITCH_CFG_10G),
  5108. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5109. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5110. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5111. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5112. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5113. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5114. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5115. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5116. }
  5117. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5118. u8 exp_mi_int)
  5119. {
  5120. u32 latch_status = 0;
  5121. /*
  5122. * Disable the MI INT ( external phy int ) by writing 1 to the
  5123. * status register. Link down indication is high-active-signal,
  5124. * so in this case we need to write the status to clear the XOR
  5125. */
  5126. /* Read Latched signals */
  5127. latch_status = REG_RD(bp,
  5128. NIG_REG_LATCH_STATUS_0 + port*8);
  5129. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5130. /* Handle only those with latched-signal=up.*/
  5131. if (exp_mi_int)
  5132. bnx2x_bits_en(bp,
  5133. NIG_REG_STATUS_INTERRUPT_PORT0
  5134. + port*4,
  5135. NIG_STATUS_EMAC0_MI_INT);
  5136. else
  5137. bnx2x_bits_dis(bp,
  5138. NIG_REG_STATUS_INTERRUPT_PORT0
  5139. + port*4,
  5140. NIG_STATUS_EMAC0_MI_INT);
  5141. if (latch_status & 1) {
  5142. /* For all latched-signal=up : Re-Arm Latch signals */
  5143. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5144. (latch_status & 0xfffe) | (latch_status & 1));
  5145. }
  5146. /* For all latched-signal=up,Write original_signal to status */
  5147. }
  5148. static void bnx2x_link_int_ack(struct link_params *params,
  5149. struct link_vars *vars, u8 is_10g_plus)
  5150. {
  5151. struct bnx2x *bp = params->bp;
  5152. u8 port = params->port;
  5153. u32 mask;
  5154. /*
  5155. * First reset all status we assume only one line will be
  5156. * change at a time
  5157. */
  5158. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5159. (NIG_STATUS_XGXS0_LINK10G |
  5160. NIG_STATUS_XGXS0_LINK_STATUS |
  5161. NIG_STATUS_SERDES0_LINK_STATUS));
  5162. if (vars->phy_link_up) {
  5163. if (USES_WARPCORE(bp))
  5164. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5165. else {
  5166. if (is_10g_plus)
  5167. mask = NIG_STATUS_XGXS0_LINK10G;
  5168. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5169. /*
  5170. * Disable the link interrupt by writing 1 to
  5171. * the relevant lane in the status register
  5172. */
  5173. u32 ser_lane =
  5174. ((params->lane_config &
  5175. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5176. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5177. mask = ((1 << ser_lane) <<
  5178. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5179. } else
  5180. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5181. }
  5182. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5183. mask);
  5184. bnx2x_bits_en(bp,
  5185. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5186. mask);
  5187. }
  5188. }
  5189. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5190. {
  5191. u8 *str_ptr = str;
  5192. u32 mask = 0xf0000000;
  5193. u8 shift = 8*4;
  5194. u8 digit;
  5195. u8 remove_leading_zeros = 1;
  5196. if (*len < 10) {
  5197. /* Need more than 10chars for this format */
  5198. *str_ptr = '\0';
  5199. (*len)--;
  5200. return -EINVAL;
  5201. }
  5202. while (shift > 0) {
  5203. shift -= 4;
  5204. digit = ((num & mask) >> shift);
  5205. if (digit == 0 && remove_leading_zeros) {
  5206. mask = mask >> 4;
  5207. continue;
  5208. } else if (digit < 0xa)
  5209. *str_ptr = digit + '0';
  5210. else
  5211. *str_ptr = digit - 0xa + 'a';
  5212. remove_leading_zeros = 0;
  5213. str_ptr++;
  5214. (*len)--;
  5215. mask = mask >> 4;
  5216. if (shift == 4*4) {
  5217. *str_ptr = '.';
  5218. str_ptr++;
  5219. (*len)--;
  5220. remove_leading_zeros = 1;
  5221. }
  5222. }
  5223. return 0;
  5224. }
  5225. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5226. {
  5227. str[0] = '\0';
  5228. (*len)--;
  5229. return 0;
  5230. }
  5231. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5232. u8 *version, u16 len)
  5233. {
  5234. struct bnx2x *bp;
  5235. u32 spirom_ver = 0;
  5236. int status = 0;
  5237. u8 *ver_p = version;
  5238. u16 remain_len = len;
  5239. if (version == NULL || params == NULL)
  5240. return -EINVAL;
  5241. bp = params->bp;
  5242. /* Extract first external phy*/
  5243. version[0] = '\0';
  5244. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5245. if (params->phy[EXT_PHY1].format_fw_ver) {
  5246. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5247. ver_p,
  5248. &remain_len);
  5249. ver_p += (len - remain_len);
  5250. }
  5251. if ((params->num_phys == MAX_PHYS) &&
  5252. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5253. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5254. if (params->phy[EXT_PHY2].format_fw_ver) {
  5255. *ver_p = '/';
  5256. ver_p++;
  5257. remain_len--;
  5258. status |= params->phy[EXT_PHY2].format_fw_ver(
  5259. spirom_ver,
  5260. ver_p,
  5261. &remain_len);
  5262. ver_p = version + (len - remain_len);
  5263. }
  5264. }
  5265. *ver_p = '\0';
  5266. return status;
  5267. }
  5268. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5269. struct link_params *params)
  5270. {
  5271. u8 port = params->port;
  5272. struct bnx2x *bp = params->bp;
  5273. if (phy->req_line_speed != SPEED_1000) {
  5274. u32 md_devad = 0;
  5275. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5276. if (!CHIP_IS_E3(bp)) {
  5277. /* change the uni_phy_addr in the nig */
  5278. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5279. port*0x18));
  5280. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5281. 0x5);
  5282. }
  5283. bnx2x_cl45_write(bp, phy,
  5284. 5,
  5285. (MDIO_REG_BANK_AER_BLOCK +
  5286. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5287. 0x2800);
  5288. bnx2x_cl45_write(bp, phy,
  5289. 5,
  5290. (MDIO_REG_BANK_CL73_IEEEB0 +
  5291. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5292. 0x6041);
  5293. msleep(200);
  5294. /* set aer mmd back */
  5295. bnx2x_set_aer_mmd(params, phy);
  5296. if (!CHIP_IS_E3(bp)) {
  5297. /* and md_devad */
  5298. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5299. md_devad);
  5300. }
  5301. } else {
  5302. u16 mii_ctrl;
  5303. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5304. bnx2x_cl45_read(bp, phy, 5,
  5305. (MDIO_REG_BANK_COMBO_IEEE0 +
  5306. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5307. &mii_ctrl);
  5308. bnx2x_cl45_write(bp, phy, 5,
  5309. (MDIO_REG_BANK_COMBO_IEEE0 +
  5310. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5311. mii_ctrl |
  5312. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5313. }
  5314. }
  5315. int bnx2x_set_led(struct link_params *params,
  5316. struct link_vars *vars, u8 mode, u32 speed)
  5317. {
  5318. u8 port = params->port;
  5319. u16 hw_led_mode = params->hw_led_mode;
  5320. int rc = 0;
  5321. u8 phy_idx;
  5322. u32 tmp;
  5323. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5324. struct bnx2x *bp = params->bp;
  5325. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5326. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5327. speed, hw_led_mode);
  5328. /* In case */
  5329. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5330. if (params->phy[phy_idx].set_link_led) {
  5331. params->phy[phy_idx].set_link_led(
  5332. &params->phy[phy_idx], params, mode);
  5333. }
  5334. }
  5335. switch (mode) {
  5336. case LED_MODE_FRONT_PANEL_OFF:
  5337. case LED_MODE_OFF:
  5338. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5339. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5340. SHARED_HW_CFG_LED_MAC1);
  5341. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5342. if (params->phy[EXT_PHY1].type ==
  5343. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5344. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5345. else {
  5346. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5347. (tmp | EMAC_LED_OVERRIDE));
  5348. }
  5349. break;
  5350. case LED_MODE_OPER:
  5351. /*
  5352. * For all other phys, OPER mode is same as ON, so in case
  5353. * link is down, do nothing
  5354. */
  5355. if (!vars->link_up)
  5356. break;
  5357. case LED_MODE_ON:
  5358. if (((params->phy[EXT_PHY1].type ==
  5359. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5360. (params->phy[EXT_PHY1].type ==
  5361. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5362. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5363. /*
  5364. * This is a work-around for E2+8727 Configurations
  5365. */
  5366. if (mode == LED_MODE_ON ||
  5367. speed == SPEED_10000){
  5368. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5369. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5370. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5371. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5372. (tmp | EMAC_LED_OVERRIDE));
  5373. /*
  5374. * return here without enabling traffic
  5375. * LED blink and setting rate in ON mode.
  5376. * In oper mode, enabling LED blink
  5377. * and setting rate is needed.
  5378. */
  5379. if (mode == LED_MODE_ON)
  5380. return rc;
  5381. }
  5382. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5383. /*
  5384. * This is a work-around for HW issue found when link
  5385. * is up in CL73
  5386. */
  5387. if ((!CHIP_IS_E3(bp)) ||
  5388. (CHIP_IS_E3(bp) &&
  5389. mode == LED_MODE_ON))
  5390. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5391. if (CHIP_IS_E1x(bp) ||
  5392. CHIP_IS_E2(bp) ||
  5393. (mode == LED_MODE_ON))
  5394. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5395. else
  5396. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5397. hw_led_mode);
  5398. } else if ((params->phy[EXT_PHY1].type ==
  5399. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5400. (mode != LED_MODE_OPER)) {
  5401. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5402. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5403. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5404. } else
  5405. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5406. hw_led_mode);
  5407. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5408. /* Set blinking rate to ~15.9Hz */
  5409. if (CHIP_IS_E3(bp))
  5410. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5411. LED_BLINK_RATE_VAL_E3);
  5412. else
  5413. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5414. LED_BLINK_RATE_VAL_E1X_E2);
  5415. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5416. port*4, 1);
  5417. if ((params->phy[EXT_PHY1].type !=
  5418. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5419. (mode != LED_MODE_OPER)) {
  5420. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5421. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5422. (tmp & (~EMAC_LED_OVERRIDE)));
  5423. }
  5424. if (CHIP_IS_E1(bp) &&
  5425. ((speed == SPEED_2500) ||
  5426. (speed == SPEED_1000) ||
  5427. (speed == SPEED_100) ||
  5428. (speed == SPEED_10))) {
  5429. /*
  5430. * On Everest 1 Ax chip versions for speeds less than
  5431. * 10G LED scheme is different
  5432. */
  5433. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5434. + port*4, 1);
  5435. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5436. port*4, 0);
  5437. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5438. port*4, 1);
  5439. }
  5440. break;
  5441. default:
  5442. rc = -EINVAL;
  5443. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5444. mode);
  5445. break;
  5446. }
  5447. return rc;
  5448. }
  5449. /*
  5450. * This function comes to reflect the actual link state read DIRECTLY from the
  5451. * HW
  5452. */
  5453. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5454. u8 is_serdes)
  5455. {
  5456. struct bnx2x *bp = params->bp;
  5457. u16 gp_status = 0, phy_index = 0;
  5458. u8 ext_phy_link_up = 0, serdes_phy_type;
  5459. struct link_vars temp_vars;
  5460. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5461. if (CHIP_IS_E3(bp)) {
  5462. u16 link_up;
  5463. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5464. > SPEED_10000) {
  5465. /* Check 20G link */
  5466. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5467. 1, &link_up);
  5468. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5469. 1, &link_up);
  5470. link_up &= (1<<2);
  5471. } else {
  5472. /* Check 10G link and below*/
  5473. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5474. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5475. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5476. &gp_status);
  5477. gp_status = ((gp_status >> 8) & 0xf) |
  5478. ((gp_status >> 12) & 0xf);
  5479. link_up = gp_status & (1 << lane);
  5480. }
  5481. if (!link_up)
  5482. return -ESRCH;
  5483. } else {
  5484. CL22_RD_OVER_CL45(bp, int_phy,
  5485. MDIO_REG_BANK_GP_STATUS,
  5486. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5487. &gp_status);
  5488. /* link is up only if both local phy and external phy are up */
  5489. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5490. return -ESRCH;
  5491. }
  5492. /* In XGXS loopback mode, do not check external PHY */
  5493. if (params->loopback_mode == LOOPBACK_XGXS)
  5494. return 0;
  5495. switch (params->num_phys) {
  5496. case 1:
  5497. /* No external PHY */
  5498. return 0;
  5499. case 2:
  5500. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5501. &params->phy[EXT_PHY1],
  5502. params, &temp_vars);
  5503. break;
  5504. case 3: /* Dual Media */
  5505. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5506. phy_index++) {
  5507. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5508. ETH_PHY_SFP_FIBER) ||
  5509. (params->phy[phy_index].media_type ==
  5510. ETH_PHY_XFP_FIBER) ||
  5511. (params->phy[phy_index].media_type ==
  5512. ETH_PHY_DA_TWINAX));
  5513. if (is_serdes != serdes_phy_type)
  5514. continue;
  5515. if (params->phy[phy_index].read_status) {
  5516. ext_phy_link_up |=
  5517. params->phy[phy_index].read_status(
  5518. &params->phy[phy_index],
  5519. params, &temp_vars);
  5520. }
  5521. }
  5522. break;
  5523. }
  5524. if (ext_phy_link_up)
  5525. return 0;
  5526. return -ESRCH;
  5527. }
  5528. static int bnx2x_link_initialize(struct link_params *params,
  5529. struct link_vars *vars)
  5530. {
  5531. int rc = 0;
  5532. u8 phy_index, non_ext_phy;
  5533. struct bnx2x *bp = params->bp;
  5534. /*
  5535. * In case of external phy existence, the line speed would be the
  5536. * line speed linked up by the external phy. In case it is direct
  5537. * only, then the line_speed during initialization will be
  5538. * equal to the req_line_speed
  5539. */
  5540. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5541. /*
  5542. * Initialize the internal phy in case this is a direct board
  5543. * (no external phys), or this board has external phy which requires
  5544. * to first.
  5545. */
  5546. if (!USES_WARPCORE(bp))
  5547. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5548. /* init ext phy and enable link state int */
  5549. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5550. (params->loopback_mode == LOOPBACK_XGXS));
  5551. if (non_ext_phy ||
  5552. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5553. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5554. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5555. if (vars->line_speed == SPEED_AUTO_NEG &&
  5556. (CHIP_IS_E1x(bp) ||
  5557. CHIP_IS_E2(bp)))
  5558. bnx2x_set_parallel_detection(phy, params);
  5559. if (params->phy[INT_PHY].config_init)
  5560. params->phy[INT_PHY].config_init(phy,
  5561. params,
  5562. vars);
  5563. }
  5564. /* Init external phy*/
  5565. if (non_ext_phy) {
  5566. if (params->phy[INT_PHY].supported &
  5567. SUPPORTED_FIBRE)
  5568. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5569. } else {
  5570. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5571. phy_index++) {
  5572. /*
  5573. * No need to initialize second phy in case of first
  5574. * phy only selection. In case of second phy, we do
  5575. * need to initialize the first phy, since they are
  5576. * connected.
  5577. */
  5578. if (params->phy[phy_index].supported &
  5579. SUPPORTED_FIBRE)
  5580. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5581. if (phy_index == EXT_PHY2 &&
  5582. (bnx2x_phy_selection(params) ==
  5583. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5584. DP(NETIF_MSG_LINK,
  5585. "Not initializing second phy\n");
  5586. continue;
  5587. }
  5588. params->phy[phy_index].config_init(
  5589. &params->phy[phy_index],
  5590. params, vars);
  5591. }
  5592. }
  5593. /* Reset the interrupt indication after phy was initialized */
  5594. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5595. params->port*4,
  5596. (NIG_STATUS_XGXS0_LINK10G |
  5597. NIG_STATUS_XGXS0_LINK_STATUS |
  5598. NIG_STATUS_SERDES0_LINK_STATUS |
  5599. NIG_MASK_MI_INT));
  5600. bnx2x_update_mng(params, vars->link_status);
  5601. return rc;
  5602. }
  5603. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5604. struct link_params *params)
  5605. {
  5606. /* reset the SerDes/XGXS */
  5607. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5608. (0x1ff << (params->port*16)));
  5609. }
  5610. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5611. struct link_params *params)
  5612. {
  5613. struct bnx2x *bp = params->bp;
  5614. u8 gpio_port;
  5615. /* HW reset */
  5616. if (CHIP_IS_E2(bp))
  5617. gpio_port = BP_PATH(bp);
  5618. else
  5619. gpio_port = params->port;
  5620. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5621. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5622. gpio_port);
  5623. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5624. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5625. gpio_port);
  5626. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5627. }
  5628. static int bnx2x_update_link_down(struct link_params *params,
  5629. struct link_vars *vars)
  5630. {
  5631. struct bnx2x *bp = params->bp;
  5632. u8 port = params->port;
  5633. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5634. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5635. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5636. /* indicate no mac active */
  5637. vars->mac_type = MAC_TYPE_NONE;
  5638. /* update shared memory */
  5639. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5640. LINK_STATUS_LINK_UP |
  5641. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5642. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5643. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5644. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5645. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5646. vars->line_speed = 0;
  5647. bnx2x_update_mng(params, vars->link_status);
  5648. /* activate nig drain */
  5649. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5650. /* disable emac */
  5651. if (!CHIP_IS_E3(bp))
  5652. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5653. msleep(10);
  5654. /* reset BigMac/Xmac */
  5655. if (CHIP_IS_E1x(bp) ||
  5656. CHIP_IS_E2(bp)) {
  5657. bnx2x_bmac_rx_disable(bp, params->port);
  5658. REG_WR(bp, GRCBASE_MISC +
  5659. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5660. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5661. }
  5662. if (CHIP_IS_E3(bp)) {
  5663. bnx2x_xmac_disable(params);
  5664. bnx2x_umac_disable(params);
  5665. }
  5666. return 0;
  5667. }
  5668. static int bnx2x_update_link_up(struct link_params *params,
  5669. struct link_vars *vars,
  5670. u8 link_10g)
  5671. {
  5672. struct bnx2x *bp = params->bp;
  5673. u8 port = params->port;
  5674. int rc = 0;
  5675. vars->link_status |= (LINK_STATUS_LINK_UP |
  5676. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5677. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5678. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5679. vars->link_status |=
  5680. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5681. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5682. vars->link_status |=
  5683. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5684. if (USES_WARPCORE(bp)) {
  5685. if (link_10g) {
  5686. if (bnx2x_xmac_enable(params, vars, 0) ==
  5687. -ESRCH) {
  5688. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5689. vars->link_up = 0;
  5690. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5691. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5692. }
  5693. } else
  5694. bnx2x_umac_enable(params, vars, 0);
  5695. bnx2x_set_led(params, vars,
  5696. LED_MODE_OPER, vars->line_speed);
  5697. }
  5698. if ((CHIP_IS_E1x(bp) ||
  5699. CHIP_IS_E2(bp))) {
  5700. if (link_10g) {
  5701. if (bnx2x_bmac_enable(params, vars, 0) ==
  5702. -ESRCH) {
  5703. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5704. vars->link_up = 0;
  5705. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5706. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5707. }
  5708. bnx2x_set_led(params, vars,
  5709. LED_MODE_OPER, SPEED_10000);
  5710. } else {
  5711. rc = bnx2x_emac_program(params, vars);
  5712. bnx2x_emac_enable(params, vars, 0);
  5713. /* AN complete? */
  5714. if ((vars->link_status &
  5715. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5716. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5717. SINGLE_MEDIA_DIRECT(params))
  5718. bnx2x_set_gmii_tx_driver(params);
  5719. }
  5720. }
  5721. /* PBF - link up */
  5722. if (CHIP_IS_E1x(bp))
  5723. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5724. vars->line_speed);
  5725. /* disable drain */
  5726. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5727. /* update shared memory */
  5728. bnx2x_update_mng(params, vars->link_status);
  5729. msleep(20);
  5730. return rc;
  5731. }
  5732. /*
  5733. * The bnx2x_link_update function should be called upon link
  5734. * interrupt.
  5735. * Link is considered up as follows:
  5736. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5737. * to be up
  5738. * - SINGLE_MEDIA - The link between the 577xx and the external
  5739. * phy (XGXS) need to up as well as the external link of the
  5740. * phy (PHY_EXT1)
  5741. * - DUAL_MEDIA - The link between the 577xx and the first
  5742. * external phy needs to be up, and at least one of the 2
  5743. * external phy link must be up.
  5744. */
  5745. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5746. {
  5747. struct bnx2x *bp = params->bp;
  5748. struct link_vars phy_vars[MAX_PHYS];
  5749. u8 port = params->port;
  5750. u8 link_10g_plus, phy_index;
  5751. u8 ext_phy_link_up = 0, cur_link_up;
  5752. int rc = 0;
  5753. u8 is_mi_int = 0;
  5754. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5755. u8 active_external_phy = INT_PHY;
  5756. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5757. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5758. phy_index++) {
  5759. phy_vars[phy_index].flow_ctrl = 0;
  5760. phy_vars[phy_index].link_status = 0;
  5761. phy_vars[phy_index].line_speed = 0;
  5762. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5763. phy_vars[phy_index].phy_link_up = 0;
  5764. phy_vars[phy_index].link_up = 0;
  5765. phy_vars[phy_index].fault_detected = 0;
  5766. }
  5767. if (USES_WARPCORE(bp))
  5768. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5769. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5770. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5771. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5772. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5773. port*0x18) > 0);
  5774. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5775. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5776. is_mi_int,
  5777. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5778. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5779. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5780. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5781. /* disable emac */
  5782. if (!CHIP_IS_E3(bp))
  5783. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5784. /*
  5785. * Step 1:
  5786. * Check external link change only for external phys, and apply
  5787. * priority selection between them in case the link on both phys
  5788. * is up. Note that instead of the common vars, a temporary
  5789. * vars argument is used since each phy may have different link/
  5790. * speed/duplex result
  5791. */
  5792. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5793. phy_index++) {
  5794. struct bnx2x_phy *phy = &params->phy[phy_index];
  5795. if (!phy->read_status)
  5796. continue;
  5797. /* Read link status and params of this ext phy */
  5798. cur_link_up = phy->read_status(phy, params,
  5799. &phy_vars[phy_index]);
  5800. if (cur_link_up) {
  5801. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5802. phy_index);
  5803. } else {
  5804. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5805. phy_index);
  5806. continue;
  5807. }
  5808. if (!ext_phy_link_up) {
  5809. ext_phy_link_up = 1;
  5810. active_external_phy = phy_index;
  5811. } else {
  5812. switch (bnx2x_phy_selection(params)) {
  5813. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5814. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5815. /*
  5816. * In this option, the first PHY makes sure to pass the
  5817. * traffic through itself only.
  5818. * Its not clear how to reset the link on the second phy
  5819. */
  5820. active_external_phy = EXT_PHY1;
  5821. break;
  5822. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5823. /*
  5824. * In this option, the first PHY makes sure to pass the
  5825. * traffic through the second PHY.
  5826. */
  5827. active_external_phy = EXT_PHY2;
  5828. break;
  5829. default:
  5830. /*
  5831. * Link indication on both PHYs with the following cases
  5832. * is invalid:
  5833. * - FIRST_PHY means that second phy wasn't initialized,
  5834. * hence its link is expected to be down
  5835. * - SECOND_PHY means that first phy should not be able
  5836. * to link up by itself (using configuration)
  5837. * - DEFAULT should be overriden during initialiazation
  5838. */
  5839. DP(NETIF_MSG_LINK, "Invalid link indication"
  5840. "mpc=0x%x. DISABLING LINK !!!\n",
  5841. params->multi_phy_config);
  5842. ext_phy_link_up = 0;
  5843. break;
  5844. }
  5845. }
  5846. }
  5847. prev_line_speed = vars->line_speed;
  5848. /*
  5849. * Step 2:
  5850. * Read the status of the internal phy. In case of
  5851. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5852. * otherwise this is the link between the 577xx and the first
  5853. * external phy
  5854. */
  5855. if (params->phy[INT_PHY].read_status)
  5856. params->phy[INT_PHY].read_status(
  5857. &params->phy[INT_PHY],
  5858. params, vars);
  5859. /*
  5860. * The INT_PHY flow control reside in the vars. This include the
  5861. * case where the speed or flow control are not set to AUTO.
  5862. * Otherwise, the active external phy flow control result is set
  5863. * to the vars. The ext_phy_line_speed is needed to check if the
  5864. * speed is different between the internal phy and external phy.
  5865. * This case may be result of intermediate link speed change.
  5866. */
  5867. if (active_external_phy > INT_PHY) {
  5868. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5869. /*
  5870. * Link speed is taken from the XGXS. AN and FC result from
  5871. * the external phy.
  5872. */
  5873. vars->link_status |= phy_vars[active_external_phy].link_status;
  5874. /*
  5875. * if active_external_phy is first PHY and link is up - disable
  5876. * disable TX on second external PHY
  5877. */
  5878. if (active_external_phy == EXT_PHY1) {
  5879. if (params->phy[EXT_PHY2].phy_specific_func) {
  5880. DP(NETIF_MSG_LINK,
  5881. "Disabling TX on EXT_PHY2\n");
  5882. params->phy[EXT_PHY2].phy_specific_func(
  5883. &params->phy[EXT_PHY2],
  5884. params, DISABLE_TX);
  5885. }
  5886. }
  5887. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5888. vars->duplex = phy_vars[active_external_phy].duplex;
  5889. if (params->phy[active_external_phy].supported &
  5890. SUPPORTED_FIBRE)
  5891. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5892. else
  5893. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5894. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5895. active_external_phy);
  5896. }
  5897. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5898. phy_index++) {
  5899. if (params->phy[phy_index].flags &
  5900. FLAGS_REARM_LATCH_SIGNAL) {
  5901. bnx2x_rearm_latch_signal(bp, port,
  5902. phy_index ==
  5903. active_external_phy);
  5904. break;
  5905. }
  5906. }
  5907. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5908. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5909. vars->link_status, ext_phy_line_speed);
  5910. /*
  5911. * Upon link speed change set the NIG into drain mode. Comes to
  5912. * deals with possible FIFO glitch due to clk change when speed
  5913. * is decreased without link down indicator
  5914. */
  5915. if (vars->phy_link_up) {
  5916. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5917. (ext_phy_line_speed != vars->line_speed)) {
  5918. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5919. " different than the external"
  5920. " link speed %d\n", vars->line_speed,
  5921. ext_phy_line_speed);
  5922. vars->phy_link_up = 0;
  5923. } else if (prev_line_speed != vars->line_speed) {
  5924. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5925. 0);
  5926. msleep(1);
  5927. }
  5928. }
  5929. /* anything 10 and over uses the bmac */
  5930. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5931. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5932. /*
  5933. * In case external phy link is up, and internal link is down
  5934. * (not initialized yet probably after link initialization, it
  5935. * needs to be initialized.
  5936. * Note that after link down-up as result of cable plug, the xgxs
  5937. * link would probably become up again without the need
  5938. * initialize it
  5939. */
  5940. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5941. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5942. " init_preceding = %d\n", ext_phy_link_up,
  5943. vars->phy_link_up,
  5944. params->phy[EXT_PHY1].flags &
  5945. FLAGS_INIT_XGXS_FIRST);
  5946. if (!(params->phy[EXT_PHY1].flags &
  5947. FLAGS_INIT_XGXS_FIRST)
  5948. && ext_phy_link_up && !vars->phy_link_up) {
  5949. vars->line_speed = ext_phy_line_speed;
  5950. if (vars->line_speed < SPEED_1000)
  5951. vars->phy_flags |= PHY_SGMII_FLAG;
  5952. else
  5953. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5954. if (params->phy[INT_PHY].config_init)
  5955. params->phy[INT_PHY].config_init(
  5956. &params->phy[INT_PHY], params,
  5957. vars);
  5958. }
  5959. }
  5960. /*
  5961. * Link is up only if both local phy and external phy (in case of
  5962. * non-direct board) are up and no fault detected on active PHY.
  5963. */
  5964. vars->link_up = (vars->phy_link_up &&
  5965. (ext_phy_link_up ||
  5966. SINGLE_MEDIA_DIRECT(params)) &&
  5967. (phy_vars[active_external_phy].fault_detected == 0));
  5968. if (vars->link_up)
  5969. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5970. else
  5971. rc = bnx2x_update_link_down(params, vars);
  5972. return rc;
  5973. }
  5974. /*****************************************************************************/
  5975. /* External Phy section */
  5976. /*****************************************************************************/
  5977. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5978. {
  5979. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5980. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5981. msleep(1);
  5982. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5983. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5984. }
  5985. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5986. u32 spirom_ver, u32 ver_addr)
  5987. {
  5988. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5989. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5990. if (ver_addr)
  5991. REG_WR(bp, ver_addr, spirom_ver);
  5992. }
  5993. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5994. struct bnx2x_phy *phy,
  5995. u8 port)
  5996. {
  5997. u16 fw_ver1, fw_ver2;
  5998. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5999. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6000. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6001. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6002. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6003. phy->ver_addr);
  6004. }
  6005. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6006. struct bnx2x_phy *phy,
  6007. struct link_vars *vars)
  6008. {
  6009. u16 val;
  6010. bnx2x_cl45_read(bp, phy,
  6011. MDIO_AN_DEVAD,
  6012. MDIO_AN_REG_STATUS, &val);
  6013. bnx2x_cl45_read(bp, phy,
  6014. MDIO_AN_DEVAD,
  6015. MDIO_AN_REG_STATUS, &val);
  6016. if (val & (1<<5))
  6017. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6018. if ((val & (1<<0)) == 0)
  6019. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6020. }
  6021. /******************************************************************/
  6022. /* common BCM8073/BCM8727 PHY SECTION */
  6023. /******************************************************************/
  6024. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6025. struct link_params *params,
  6026. struct link_vars *vars)
  6027. {
  6028. struct bnx2x *bp = params->bp;
  6029. if (phy->req_line_speed == SPEED_10 ||
  6030. phy->req_line_speed == SPEED_100) {
  6031. vars->flow_ctrl = phy->req_flow_ctrl;
  6032. return;
  6033. }
  6034. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6035. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6036. u16 pause_result;
  6037. u16 ld_pause; /* local */
  6038. u16 lp_pause; /* link partner */
  6039. bnx2x_cl45_read(bp, phy,
  6040. MDIO_AN_DEVAD,
  6041. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6042. bnx2x_cl45_read(bp, phy,
  6043. MDIO_AN_DEVAD,
  6044. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6045. pause_result = (ld_pause &
  6046. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6047. pause_result |= (lp_pause &
  6048. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6049. bnx2x_pause_resolve(vars, pause_result);
  6050. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6051. pause_result);
  6052. }
  6053. }
  6054. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6055. struct bnx2x_phy *phy,
  6056. u8 port)
  6057. {
  6058. u32 count = 0;
  6059. u16 fw_ver1, fw_msgout;
  6060. int rc = 0;
  6061. /* Boot port from external ROM */
  6062. /* EDC grst */
  6063. bnx2x_cl45_write(bp, phy,
  6064. MDIO_PMA_DEVAD,
  6065. MDIO_PMA_REG_GEN_CTRL,
  6066. 0x0001);
  6067. /* ucode reboot and rst */
  6068. bnx2x_cl45_write(bp, phy,
  6069. MDIO_PMA_DEVAD,
  6070. MDIO_PMA_REG_GEN_CTRL,
  6071. 0x008c);
  6072. bnx2x_cl45_write(bp, phy,
  6073. MDIO_PMA_DEVAD,
  6074. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6075. /* Reset internal microprocessor */
  6076. bnx2x_cl45_write(bp, phy,
  6077. MDIO_PMA_DEVAD,
  6078. MDIO_PMA_REG_GEN_CTRL,
  6079. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6080. /* Release srst bit */
  6081. bnx2x_cl45_write(bp, phy,
  6082. MDIO_PMA_DEVAD,
  6083. MDIO_PMA_REG_GEN_CTRL,
  6084. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6085. /* Delay 100ms per the PHY specifications */
  6086. msleep(100);
  6087. /* 8073 sometimes taking longer to download */
  6088. do {
  6089. count++;
  6090. if (count > 300) {
  6091. DP(NETIF_MSG_LINK,
  6092. "bnx2x_8073_8727_external_rom_boot port %x:"
  6093. "Download failed. fw version = 0x%x\n",
  6094. port, fw_ver1);
  6095. rc = -EINVAL;
  6096. break;
  6097. }
  6098. bnx2x_cl45_read(bp, phy,
  6099. MDIO_PMA_DEVAD,
  6100. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6101. bnx2x_cl45_read(bp, phy,
  6102. MDIO_PMA_DEVAD,
  6103. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6104. msleep(1);
  6105. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6106. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6107. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6108. /* Clear ser_boot_ctl bit */
  6109. bnx2x_cl45_write(bp, phy,
  6110. MDIO_PMA_DEVAD,
  6111. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6112. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6113. DP(NETIF_MSG_LINK,
  6114. "bnx2x_8073_8727_external_rom_boot port %x:"
  6115. "Download complete. fw version = 0x%x\n",
  6116. port, fw_ver1);
  6117. return rc;
  6118. }
  6119. /******************************************************************/
  6120. /* BCM8073 PHY SECTION */
  6121. /******************************************************************/
  6122. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6123. {
  6124. /* This is only required for 8073A1, version 102 only */
  6125. u16 val;
  6126. /* Read 8073 HW revision*/
  6127. bnx2x_cl45_read(bp, phy,
  6128. MDIO_PMA_DEVAD,
  6129. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6130. if (val != 1) {
  6131. /* No need to workaround in 8073 A1 */
  6132. return 0;
  6133. }
  6134. bnx2x_cl45_read(bp, phy,
  6135. MDIO_PMA_DEVAD,
  6136. MDIO_PMA_REG_ROM_VER2, &val);
  6137. /* SNR should be applied only for version 0x102 */
  6138. if (val != 0x102)
  6139. return 0;
  6140. return 1;
  6141. }
  6142. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6143. {
  6144. u16 val, cnt, cnt1 ;
  6145. bnx2x_cl45_read(bp, phy,
  6146. MDIO_PMA_DEVAD,
  6147. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6148. if (val > 0) {
  6149. /* No need to workaround in 8073 A1 */
  6150. return 0;
  6151. }
  6152. /* XAUI workaround in 8073 A0: */
  6153. /*
  6154. * After loading the boot ROM and restarting Autoneg, poll
  6155. * Dev1, Reg $C820:
  6156. */
  6157. for (cnt = 0; cnt < 1000; cnt++) {
  6158. bnx2x_cl45_read(bp, phy,
  6159. MDIO_PMA_DEVAD,
  6160. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6161. &val);
  6162. /*
  6163. * If bit [14] = 0 or bit [13] = 0, continue on with
  6164. * system initialization (XAUI work-around not required, as
  6165. * these bits indicate 2.5G or 1G link up).
  6166. */
  6167. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6168. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6169. return 0;
  6170. } else if (!(val & (1<<15))) {
  6171. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6172. /*
  6173. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6174. * MSB (bit15) goes to 1 (indicating that the XAUI
  6175. * workaround has completed), then continue on with
  6176. * system initialization.
  6177. */
  6178. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6179. bnx2x_cl45_read(bp, phy,
  6180. MDIO_PMA_DEVAD,
  6181. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6182. if (val & (1<<15)) {
  6183. DP(NETIF_MSG_LINK,
  6184. "XAUI workaround has completed\n");
  6185. return 0;
  6186. }
  6187. msleep(3);
  6188. }
  6189. break;
  6190. }
  6191. msleep(3);
  6192. }
  6193. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6194. return -EINVAL;
  6195. }
  6196. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6197. {
  6198. /* Force KR or KX */
  6199. bnx2x_cl45_write(bp, phy,
  6200. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6201. bnx2x_cl45_write(bp, phy,
  6202. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6203. bnx2x_cl45_write(bp, phy,
  6204. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6205. bnx2x_cl45_write(bp, phy,
  6206. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6207. }
  6208. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6209. struct bnx2x_phy *phy,
  6210. struct link_vars *vars)
  6211. {
  6212. u16 cl37_val;
  6213. struct bnx2x *bp = params->bp;
  6214. bnx2x_cl45_read(bp, phy,
  6215. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6216. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6217. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6218. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6219. if ((vars->ieee_fc &
  6220. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6221. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6222. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6223. }
  6224. if ((vars->ieee_fc &
  6225. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6226. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6227. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6228. }
  6229. if ((vars->ieee_fc &
  6230. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6231. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6232. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6233. }
  6234. DP(NETIF_MSG_LINK,
  6235. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6236. bnx2x_cl45_write(bp, phy,
  6237. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6238. msleep(500);
  6239. }
  6240. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6241. struct link_params *params,
  6242. struct link_vars *vars)
  6243. {
  6244. struct bnx2x *bp = params->bp;
  6245. u16 val = 0, tmp1;
  6246. u8 gpio_port;
  6247. DP(NETIF_MSG_LINK, "Init 8073\n");
  6248. if (CHIP_IS_E2(bp))
  6249. gpio_port = BP_PATH(bp);
  6250. else
  6251. gpio_port = params->port;
  6252. /* Restore normal power mode*/
  6253. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6254. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6255. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6256. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6257. /* enable LASI */
  6258. bnx2x_cl45_write(bp, phy,
  6259. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6260. bnx2x_cl45_write(bp, phy,
  6261. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6262. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6263. bnx2x_cl45_read(bp, phy,
  6264. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6265. bnx2x_cl45_read(bp, phy,
  6266. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6267. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6268. /* Swap polarity if required - Must be done only in non-1G mode */
  6269. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6270. /* Configure the 8073 to swap _P and _N of the KR lines */
  6271. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6272. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6273. bnx2x_cl45_read(bp, phy,
  6274. MDIO_PMA_DEVAD,
  6275. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6276. bnx2x_cl45_write(bp, phy,
  6277. MDIO_PMA_DEVAD,
  6278. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6279. (val | (3<<9)));
  6280. }
  6281. /* Enable CL37 BAM */
  6282. if (REG_RD(bp, params->shmem_base +
  6283. offsetof(struct shmem_region, dev_info.
  6284. port_hw_config[params->port].default_cfg)) &
  6285. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6286. bnx2x_cl45_read(bp, phy,
  6287. MDIO_AN_DEVAD,
  6288. MDIO_AN_REG_8073_BAM, &val);
  6289. bnx2x_cl45_write(bp, phy,
  6290. MDIO_AN_DEVAD,
  6291. MDIO_AN_REG_8073_BAM, val | 1);
  6292. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6293. }
  6294. if (params->loopback_mode == LOOPBACK_EXT) {
  6295. bnx2x_807x_force_10G(bp, phy);
  6296. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6297. return 0;
  6298. } else {
  6299. bnx2x_cl45_write(bp, phy,
  6300. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6301. }
  6302. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6303. if (phy->req_line_speed == SPEED_10000) {
  6304. val = (1<<7);
  6305. } else if (phy->req_line_speed == SPEED_2500) {
  6306. val = (1<<5);
  6307. /*
  6308. * Note that 2.5G works only when used with 1G
  6309. * advertisement
  6310. */
  6311. } else
  6312. val = (1<<5);
  6313. } else {
  6314. val = 0;
  6315. if (phy->speed_cap_mask &
  6316. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6317. val |= (1<<7);
  6318. /* Note that 2.5G works only when used with 1G advertisement */
  6319. if (phy->speed_cap_mask &
  6320. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6321. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6322. val |= (1<<5);
  6323. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6324. }
  6325. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6326. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6327. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6328. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6329. (phy->req_line_speed == SPEED_2500)) {
  6330. u16 phy_ver;
  6331. /* Allow 2.5G for A1 and above */
  6332. bnx2x_cl45_read(bp, phy,
  6333. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6334. &phy_ver);
  6335. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6336. if (phy_ver > 0)
  6337. tmp1 |= 1;
  6338. else
  6339. tmp1 &= 0xfffe;
  6340. } else {
  6341. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6342. tmp1 &= 0xfffe;
  6343. }
  6344. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6345. /* Add support for CL37 (passive mode) II */
  6346. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6347. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6348. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6349. 0x20 : 0x40)));
  6350. /* Add support for CL37 (passive mode) III */
  6351. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6352. /*
  6353. * The SNR will improve about 2db by changing BW and FEE main
  6354. * tap. Rest commands are executed after link is up
  6355. * Change FFE main cursor to 5 in EDC register
  6356. */
  6357. if (bnx2x_8073_is_snr_needed(bp, phy))
  6358. bnx2x_cl45_write(bp, phy,
  6359. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6360. 0xFB0C);
  6361. /* Enable FEC (Forware Error Correction) Request in the AN */
  6362. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6363. tmp1 |= (1<<15);
  6364. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6365. bnx2x_ext_phy_set_pause(params, phy, vars);
  6366. /* Restart autoneg */
  6367. msleep(500);
  6368. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6369. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6370. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6371. return 0;
  6372. }
  6373. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6374. struct link_params *params,
  6375. struct link_vars *vars)
  6376. {
  6377. struct bnx2x *bp = params->bp;
  6378. u8 link_up = 0;
  6379. u16 val1, val2;
  6380. u16 link_status = 0;
  6381. u16 an1000_status = 0;
  6382. bnx2x_cl45_read(bp, phy,
  6383. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6384. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6385. /* clear the interrupt LASI status register */
  6386. bnx2x_cl45_read(bp, phy,
  6387. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6388. bnx2x_cl45_read(bp, phy,
  6389. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6390. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6391. /* Clear MSG-OUT */
  6392. bnx2x_cl45_read(bp, phy,
  6393. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6394. /* Check the LASI */
  6395. bnx2x_cl45_read(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6397. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6398. /* Check the link status */
  6399. bnx2x_cl45_read(bp, phy,
  6400. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6401. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6402. bnx2x_cl45_read(bp, phy,
  6403. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6404. bnx2x_cl45_read(bp, phy,
  6405. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6406. link_up = ((val1 & 4) == 4);
  6407. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6408. if (link_up &&
  6409. ((phy->req_line_speed != SPEED_10000))) {
  6410. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6411. return 0;
  6412. }
  6413. bnx2x_cl45_read(bp, phy,
  6414. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6415. bnx2x_cl45_read(bp, phy,
  6416. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6417. /* Check the link status on 1.1.2 */
  6418. bnx2x_cl45_read(bp, phy,
  6419. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6420. bnx2x_cl45_read(bp, phy,
  6421. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6422. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6423. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6424. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6425. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6426. /*
  6427. * The SNR will improve about 2dbby changing the BW and FEE main
  6428. * tap. The 1st write to change FFE main tap is set before
  6429. * restart AN. Change PLL Bandwidth in EDC register
  6430. */
  6431. bnx2x_cl45_write(bp, phy,
  6432. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6433. 0x26BC);
  6434. /* Change CDR Bandwidth in EDC register */
  6435. bnx2x_cl45_write(bp, phy,
  6436. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6437. 0x0333);
  6438. }
  6439. bnx2x_cl45_read(bp, phy,
  6440. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6441. &link_status);
  6442. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6443. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6444. link_up = 1;
  6445. vars->line_speed = SPEED_10000;
  6446. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6447. params->port);
  6448. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6449. link_up = 1;
  6450. vars->line_speed = SPEED_2500;
  6451. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6452. params->port);
  6453. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6454. link_up = 1;
  6455. vars->line_speed = SPEED_1000;
  6456. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6457. params->port);
  6458. } else {
  6459. link_up = 0;
  6460. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6461. params->port);
  6462. }
  6463. if (link_up) {
  6464. /* Swap polarity if required */
  6465. if (params->lane_config &
  6466. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6467. /* Configure the 8073 to swap P and N of the KR lines */
  6468. bnx2x_cl45_read(bp, phy,
  6469. MDIO_XS_DEVAD,
  6470. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6471. /*
  6472. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6473. * when it`s in 10G mode.
  6474. */
  6475. if (vars->line_speed == SPEED_1000) {
  6476. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6477. "the 8073\n");
  6478. val1 |= (1<<3);
  6479. } else
  6480. val1 &= ~(1<<3);
  6481. bnx2x_cl45_write(bp, phy,
  6482. MDIO_XS_DEVAD,
  6483. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6484. val1);
  6485. }
  6486. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6487. bnx2x_8073_resolve_fc(phy, params, vars);
  6488. vars->duplex = DUPLEX_FULL;
  6489. }
  6490. return link_up;
  6491. }
  6492. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6493. struct link_params *params)
  6494. {
  6495. struct bnx2x *bp = params->bp;
  6496. u8 gpio_port;
  6497. if (CHIP_IS_E2(bp))
  6498. gpio_port = BP_PATH(bp);
  6499. else
  6500. gpio_port = params->port;
  6501. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6502. gpio_port);
  6503. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6504. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6505. gpio_port);
  6506. }
  6507. /******************************************************************/
  6508. /* BCM8705 PHY SECTION */
  6509. /******************************************************************/
  6510. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6511. struct link_params *params,
  6512. struct link_vars *vars)
  6513. {
  6514. struct bnx2x *bp = params->bp;
  6515. DP(NETIF_MSG_LINK, "init 8705\n");
  6516. /* Restore normal power mode*/
  6517. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6518. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6519. /* HW reset */
  6520. bnx2x_ext_phy_hw_reset(bp, params->port);
  6521. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6522. bnx2x_wait_reset_complete(bp, phy, params);
  6523. bnx2x_cl45_write(bp, phy,
  6524. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6525. bnx2x_cl45_write(bp, phy,
  6526. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6527. bnx2x_cl45_write(bp, phy,
  6528. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6529. bnx2x_cl45_write(bp, phy,
  6530. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6531. /* BCM8705 doesn't have microcode, hence the 0 */
  6532. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6533. return 0;
  6534. }
  6535. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6536. struct link_params *params,
  6537. struct link_vars *vars)
  6538. {
  6539. u8 link_up = 0;
  6540. u16 val1, rx_sd;
  6541. struct bnx2x *bp = params->bp;
  6542. DP(NETIF_MSG_LINK, "read status 8705\n");
  6543. bnx2x_cl45_read(bp, phy,
  6544. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6545. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6548. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6549. bnx2x_cl45_read(bp, phy,
  6550. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_PMA_DEVAD, 0xc809, &val1);
  6553. bnx2x_cl45_read(bp, phy,
  6554. MDIO_PMA_DEVAD, 0xc809, &val1);
  6555. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6556. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6557. if (link_up) {
  6558. vars->line_speed = SPEED_10000;
  6559. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6560. }
  6561. return link_up;
  6562. }
  6563. /******************************************************************/
  6564. /* SFP+ module Section */
  6565. /******************************************************************/
  6566. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6567. struct bnx2x_phy *phy,
  6568. u8 pmd_dis)
  6569. {
  6570. struct bnx2x *bp = params->bp;
  6571. /*
  6572. * Disable transmitter only for bootcodes which can enable it afterwards
  6573. * (for D3 link)
  6574. */
  6575. if (pmd_dis) {
  6576. if (params->feature_config_flags &
  6577. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6578. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6579. else {
  6580. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6581. return;
  6582. }
  6583. } else
  6584. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6585. bnx2x_cl45_write(bp, phy,
  6586. MDIO_PMA_DEVAD,
  6587. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6588. }
  6589. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6590. {
  6591. u8 gpio_port;
  6592. u32 swap_val, swap_override;
  6593. struct bnx2x *bp = params->bp;
  6594. if (CHIP_IS_E2(bp))
  6595. gpio_port = BP_PATH(bp);
  6596. else
  6597. gpio_port = params->port;
  6598. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6599. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6600. return gpio_port ^ (swap_val && swap_override);
  6601. }
  6602. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6603. struct bnx2x_phy *phy,
  6604. u8 tx_en)
  6605. {
  6606. u16 val;
  6607. u8 port = params->port;
  6608. struct bnx2x *bp = params->bp;
  6609. u32 tx_en_mode;
  6610. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6611. tx_en_mode = REG_RD(bp, params->shmem_base +
  6612. offsetof(struct shmem_region,
  6613. dev_info.port_hw_config[port].sfp_ctrl)) &
  6614. PORT_HW_CFG_TX_LASER_MASK;
  6615. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6616. "mode = %x\n", tx_en, port, tx_en_mode);
  6617. switch (tx_en_mode) {
  6618. case PORT_HW_CFG_TX_LASER_MDIO:
  6619. bnx2x_cl45_read(bp, phy,
  6620. MDIO_PMA_DEVAD,
  6621. MDIO_PMA_REG_PHY_IDENTIFIER,
  6622. &val);
  6623. if (tx_en)
  6624. val &= ~(1<<15);
  6625. else
  6626. val |= (1<<15);
  6627. bnx2x_cl45_write(bp, phy,
  6628. MDIO_PMA_DEVAD,
  6629. MDIO_PMA_REG_PHY_IDENTIFIER,
  6630. val);
  6631. break;
  6632. case PORT_HW_CFG_TX_LASER_GPIO0:
  6633. case PORT_HW_CFG_TX_LASER_GPIO1:
  6634. case PORT_HW_CFG_TX_LASER_GPIO2:
  6635. case PORT_HW_CFG_TX_LASER_GPIO3:
  6636. {
  6637. u16 gpio_pin;
  6638. u8 gpio_port, gpio_mode;
  6639. if (tx_en)
  6640. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6641. else
  6642. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6643. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6644. gpio_port = bnx2x_get_gpio_port(params);
  6645. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6646. break;
  6647. }
  6648. default:
  6649. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6650. break;
  6651. }
  6652. }
  6653. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6654. struct bnx2x_phy *phy,
  6655. u8 tx_en)
  6656. {
  6657. struct bnx2x *bp = params->bp;
  6658. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6659. if (CHIP_IS_E3(bp))
  6660. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6661. else
  6662. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6663. }
  6664. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6665. struct link_params *params,
  6666. u16 addr, u8 byte_cnt, u8 *o_buf)
  6667. {
  6668. struct bnx2x *bp = params->bp;
  6669. u16 val = 0;
  6670. u16 i;
  6671. if (byte_cnt > 16) {
  6672. DP(NETIF_MSG_LINK,
  6673. "Reading from eeprom is limited to 0xf\n");
  6674. return -EINVAL;
  6675. }
  6676. /* Set the read command byte count */
  6677. bnx2x_cl45_write(bp, phy,
  6678. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6679. (byte_cnt | 0xa000));
  6680. /* Set the read command address */
  6681. bnx2x_cl45_write(bp, phy,
  6682. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6683. addr);
  6684. /* Activate read command */
  6685. bnx2x_cl45_write(bp, phy,
  6686. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6687. 0x2c0f);
  6688. /* Wait up to 500us for command complete status */
  6689. for (i = 0; i < 100; i++) {
  6690. bnx2x_cl45_read(bp, phy,
  6691. MDIO_PMA_DEVAD,
  6692. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6693. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6694. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6695. break;
  6696. udelay(5);
  6697. }
  6698. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6699. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6700. DP(NETIF_MSG_LINK,
  6701. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6702. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6703. return -EINVAL;
  6704. }
  6705. /* Read the buffer */
  6706. for (i = 0; i < byte_cnt; i++) {
  6707. bnx2x_cl45_read(bp, phy,
  6708. MDIO_PMA_DEVAD,
  6709. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6710. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6711. }
  6712. for (i = 0; i < 100; i++) {
  6713. bnx2x_cl45_read(bp, phy,
  6714. MDIO_PMA_DEVAD,
  6715. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6716. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6717. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6718. return 0;
  6719. msleep(1);
  6720. }
  6721. return -EINVAL;
  6722. }
  6723. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6724. struct link_params *params,
  6725. u16 addr, u8 byte_cnt,
  6726. u8 *o_buf)
  6727. {
  6728. int rc = 0;
  6729. u8 i, j = 0, cnt = 0;
  6730. u32 data_array[4];
  6731. u16 addr32;
  6732. struct bnx2x *bp = params->bp;
  6733. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6734. " addr %d, cnt %d\n",
  6735. addr, byte_cnt);*/
  6736. if (byte_cnt > 16) {
  6737. DP(NETIF_MSG_LINK,
  6738. "Reading from eeprom is limited to 16 bytes\n");
  6739. return -EINVAL;
  6740. }
  6741. /* 4 byte aligned address */
  6742. addr32 = addr & (~0x3);
  6743. do {
  6744. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6745. data_array);
  6746. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6747. if (rc == 0) {
  6748. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6749. o_buf[j] = *((u8 *)data_array + i);
  6750. j++;
  6751. }
  6752. }
  6753. return rc;
  6754. }
  6755. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6756. struct link_params *params,
  6757. u16 addr, u8 byte_cnt, u8 *o_buf)
  6758. {
  6759. struct bnx2x *bp = params->bp;
  6760. u16 val, i;
  6761. if (byte_cnt > 16) {
  6762. DP(NETIF_MSG_LINK,
  6763. "Reading from eeprom is limited to 0xf\n");
  6764. return -EINVAL;
  6765. }
  6766. /* Need to read from 1.8000 to clear it */
  6767. bnx2x_cl45_read(bp, phy,
  6768. MDIO_PMA_DEVAD,
  6769. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6770. &val);
  6771. /* Set the read command byte count */
  6772. bnx2x_cl45_write(bp, phy,
  6773. MDIO_PMA_DEVAD,
  6774. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6775. ((byte_cnt < 2) ? 2 : byte_cnt));
  6776. /* Set the read command address */
  6777. bnx2x_cl45_write(bp, phy,
  6778. MDIO_PMA_DEVAD,
  6779. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6780. addr);
  6781. /* Set the destination address */
  6782. bnx2x_cl45_write(bp, phy,
  6783. MDIO_PMA_DEVAD,
  6784. 0x8004,
  6785. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6786. /* Activate read command */
  6787. bnx2x_cl45_write(bp, phy,
  6788. MDIO_PMA_DEVAD,
  6789. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6790. 0x8002);
  6791. /*
  6792. * Wait appropriate time for two-wire command to finish before
  6793. * polling the status register
  6794. */
  6795. msleep(1);
  6796. /* Wait up to 500us for command complete status */
  6797. for (i = 0; i < 100; i++) {
  6798. bnx2x_cl45_read(bp, phy,
  6799. MDIO_PMA_DEVAD,
  6800. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6801. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6802. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6803. break;
  6804. udelay(5);
  6805. }
  6806. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6807. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6808. DP(NETIF_MSG_LINK,
  6809. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6810. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6811. return -EFAULT;
  6812. }
  6813. /* Read the buffer */
  6814. for (i = 0; i < byte_cnt; i++) {
  6815. bnx2x_cl45_read(bp, phy,
  6816. MDIO_PMA_DEVAD,
  6817. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6818. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6819. }
  6820. for (i = 0; i < 100; i++) {
  6821. bnx2x_cl45_read(bp, phy,
  6822. MDIO_PMA_DEVAD,
  6823. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6824. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6825. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6826. return 0;
  6827. msleep(1);
  6828. }
  6829. return -EINVAL;
  6830. }
  6831. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6832. struct link_params *params, u16 addr,
  6833. u8 byte_cnt, u8 *o_buf)
  6834. {
  6835. int rc = -EINVAL;
  6836. switch (phy->type) {
  6837. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6838. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6839. byte_cnt, o_buf);
  6840. break;
  6841. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6842. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6843. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6844. byte_cnt, o_buf);
  6845. break;
  6846. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6847. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6848. byte_cnt, o_buf);
  6849. break;
  6850. }
  6851. return rc;
  6852. }
  6853. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6854. struct link_params *params,
  6855. u16 *edc_mode)
  6856. {
  6857. struct bnx2x *bp = params->bp;
  6858. u32 sync_offset = 0, phy_idx, media_types;
  6859. u8 val, check_limiting_mode = 0;
  6860. *edc_mode = EDC_MODE_LIMITING;
  6861. phy->media_type = ETH_PHY_UNSPECIFIED;
  6862. /* First check for copper cable */
  6863. if (bnx2x_read_sfp_module_eeprom(phy,
  6864. params,
  6865. SFP_EEPROM_CON_TYPE_ADDR,
  6866. 1,
  6867. &val) != 0) {
  6868. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6869. return -EINVAL;
  6870. }
  6871. switch (val) {
  6872. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6873. {
  6874. u8 copper_module_type;
  6875. phy->media_type = ETH_PHY_DA_TWINAX;
  6876. /*
  6877. * Check if its active cable (includes SFP+ module)
  6878. * of passive cable
  6879. */
  6880. if (bnx2x_read_sfp_module_eeprom(phy,
  6881. params,
  6882. SFP_EEPROM_FC_TX_TECH_ADDR,
  6883. 1,
  6884. &copper_module_type) != 0) {
  6885. DP(NETIF_MSG_LINK,
  6886. "Failed to read copper-cable-type"
  6887. " from SFP+ EEPROM\n");
  6888. return -EINVAL;
  6889. }
  6890. if (copper_module_type &
  6891. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6892. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6893. check_limiting_mode = 1;
  6894. } else if (copper_module_type &
  6895. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6896. DP(NETIF_MSG_LINK,
  6897. "Passive Copper cable detected\n");
  6898. *edc_mode =
  6899. EDC_MODE_PASSIVE_DAC;
  6900. } else {
  6901. DP(NETIF_MSG_LINK,
  6902. "Unknown copper-cable-type 0x%x !!!\n",
  6903. copper_module_type);
  6904. return -EINVAL;
  6905. }
  6906. break;
  6907. }
  6908. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6909. phy->media_type = ETH_PHY_SFP_FIBER;
  6910. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6911. check_limiting_mode = 1;
  6912. break;
  6913. default:
  6914. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6915. val);
  6916. return -EINVAL;
  6917. }
  6918. sync_offset = params->shmem_base +
  6919. offsetof(struct shmem_region,
  6920. dev_info.port_hw_config[params->port].media_type);
  6921. media_types = REG_RD(bp, sync_offset);
  6922. /* Update media type for non-PMF sync */
  6923. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6924. if (&(params->phy[phy_idx]) == phy) {
  6925. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6926. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6927. media_types |= ((phy->media_type &
  6928. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6929. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6930. break;
  6931. }
  6932. }
  6933. REG_WR(bp, sync_offset, media_types);
  6934. if (check_limiting_mode) {
  6935. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6936. if (bnx2x_read_sfp_module_eeprom(phy,
  6937. params,
  6938. SFP_EEPROM_OPTIONS_ADDR,
  6939. SFP_EEPROM_OPTIONS_SIZE,
  6940. options) != 0) {
  6941. DP(NETIF_MSG_LINK,
  6942. "Failed to read Option field from module EEPROM\n");
  6943. return -EINVAL;
  6944. }
  6945. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6946. *edc_mode = EDC_MODE_LINEAR;
  6947. else
  6948. *edc_mode = EDC_MODE_LIMITING;
  6949. }
  6950. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6951. return 0;
  6952. }
  6953. /*
  6954. * This function read the relevant field from the module (SFP+), and verify it
  6955. * is compliant with this board
  6956. */
  6957. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6958. struct link_params *params)
  6959. {
  6960. struct bnx2x *bp = params->bp;
  6961. u32 val, cmd;
  6962. u32 fw_resp, fw_cmd_param;
  6963. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6964. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6965. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6966. val = REG_RD(bp, params->shmem_base +
  6967. offsetof(struct shmem_region, dev_info.
  6968. port_feature_config[params->port].config));
  6969. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6970. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6971. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6972. return 0;
  6973. }
  6974. if (params->feature_config_flags &
  6975. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6976. /* Use specific phy request */
  6977. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6978. } else if (params->feature_config_flags &
  6979. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6980. /* Use first phy request only in case of non-dual media*/
  6981. if (DUAL_MEDIA(params)) {
  6982. DP(NETIF_MSG_LINK,
  6983. "FW does not support OPT MDL verification\n");
  6984. return -EINVAL;
  6985. }
  6986. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6987. } else {
  6988. /* No support in OPT MDL detection */
  6989. DP(NETIF_MSG_LINK,
  6990. "FW does not support OPT MDL verification\n");
  6991. return -EINVAL;
  6992. }
  6993. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6994. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6995. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6996. DP(NETIF_MSG_LINK, "Approved module\n");
  6997. return 0;
  6998. }
  6999. /* format the warning message */
  7000. if (bnx2x_read_sfp_module_eeprom(phy,
  7001. params,
  7002. SFP_EEPROM_VENDOR_NAME_ADDR,
  7003. SFP_EEPROM_VENDOR_NAME_SIZE,
  7004. (u8 *)vendor_name))
  7005. vendor_name[0] = '\0';
  7006. else
  7007. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7008. if (bnx2x_read_sfp_module_eeprom(phy,
  7009. params,
  7010. SFP_EEPROM_PART_NO_ADDR,
  7011. SFP_EEPROM_PART_NO_SIZE,
  7012. (u8 *)vendor_pn))
  7013. vendor_pn[0] = '\0';
  7014. else
  7015. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7016. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7017. " Port %d from %s part number %s\n",
  7018. params->port, vendor_name, vendor_pn);
  7019. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7020. return -EINVAL;
  7021. }
  7022. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7023. struct link_params *params)
  7024. {
  7025. u8 val;
  7026. struct bnx2x *bp = params->bp;
  7027. u16 timeout;
  7028. /*
  7029. * Initialization time after hot-plug may take up to 300ms for
  7030. * some phys type ( e.g. JDSU )
  7031. */
  7032. for (timeout = 0; timeout < 60; timeout++) {
  7033. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7034. == 0) {
  7035. DP(NETIF_MSG_LINK,
  7036. "SFP+ module initialization took %d ms\n",
  7037. timeout * 5);
  7038. return 0;
  7039. }
  7040. msleep(5);
  7041. }
  7042. return -EINVAL;
  7043. }
  7044. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7045. struct bnx2x_phy *phy,
  7046. u8 is_power_up) {
  7047. /* Make sure GPIOs are not using for LED mode */
  7048. u16 val;
  7049. /*
  7050. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7051. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7052. * output
  7053. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7054. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7055. * where the 1st bit is the over-current(only input), and 2nd bit is
  7056. * for power( only output )
  7057. *
  7058. * In case of NOC feature is disabled and power is up, set GPIO control
  7059. * as input to enable listening of over-current indication
  7060. */
  7061. if (phy->flags & FLAGS_NOC)
  7062. return;
  7063. if (is_power_up)
  7064. val = (1<<4);
  7065. else
  7066. /*
  7067. * Set GPIO control to OUTPUT, and set the power bit
  7068. * to according to the is_power_up
  7069. */
  7070. val = (1<<1);
  7071. bnx2x_cl45_write(bp, phy,
  7072. MDIO_PMA_DEVAD,
  7073. MDIO_PMA_REG_8727_GPIO_CTRL,
  7074. val);
  7075. }
  7076. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7077. struct bnx2x_phy *phy,
  7078. u16 edc_mode)
  7079. {
  7080. u16 cur_limiting_mode;
  7081. bnx2x_cl45_read(bp, phy,
  7082. MDIO_PMA_DEVAD,
  7083. MDIO_PMA_REG_ROM_VER2,
  7084. &cur_limiting_mode);
  7085. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7086. cur_limiting_mode);
  7087. if (edc_mode == EDC_MODE_LIMITING) {
  7088. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7089. bnx2x_cl45_write(bp, phy,
  7090. MDIO_PMA_DEVAD,
  7091. MDIO_PMA_REG_ROM_VER2,
  7092. EDC_MODE_LIMITING);
  7093. } else { /* LRM mode ( default )*/
  7094. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7095. /*
  7096. * Changing to LRM mode takes quite few seconds. So do it only
  7097. * if current mode is limiting (default is LRM)
  7098. */
  7099. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7100. return 0;
  7101. bnx2x_cl45_write(bp, phy,
  7102. MDIO_PMA_DEVAD,
  7103. MDIO_PMA_REG_LRM_MODE,
  7104. 0);
  7105. bnx2x_cl45_write(bp, phy,
  7106. MDIO_PMA_DEVAD,
  7107. MDIO_PMA_REG_ROM_VER2,
  7108. 0x128);
  7109. bnx2x_cl45_write(bp, phy,
  7110. MDIO_PMA_DEVAD,
  7111. MDIO_PMA_REG_MISC_CTRL0,
  7112. 0x4008);
  7113. bnx2x_cl45_write(bp, phy,
  7114. MDIO_PMA_DEVAD,
  7115. MDIO_PMA_REG_LRM_MODE,
  7116. 0xaaaa);
  7117. }
  7118. return 0;
  7119. }
  7120. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7121. struct bnx2x_phy *phy,
  7122. u16 edc_mode)
  7123. {
  7124. u16 phy_identifier;
  7125. u16 rom_ver2_val;
  7126. bnx2x_cl45_read(bp, phy,
  7127. MDIO_PMA_DEVAD,
  7128. MDIO_PMA_REG_PHY_IDENTIFIER,
  7129. &phy_identifier);
  7130. bnx2x_cl45_write(bp, phy,
  7131. MDIO_PMA_DEVAD,
  7132. MDIO_PMA_REG_PHY_IDENTIFIER,
  7133. (phy_identifier & ~(1<<9)));
  7134. bnx2x_cl45_read(bp, phy,
  7135. MDIO_PMA_DEVAD,
  7136. MDIO_PMA_REG_ROM_VER2,
  7137. &rom_ver2_val);
  7138. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7139. bnx2x_cl45_write(bp, phy,
  7140. MDIO_PMA_DEVAD,
  7141. MDIO_PMA_REG_ROM_VER2,
  7142. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7143. bnx2x_cl45_write(bp, phy,
  7144. MDIO_PMA_DEVAD,
  7145. MDIO_PMA_REG_PHY_IDENTIFIER,
  7146. (phy_identifier | (1<<9)));
  7147. return 0;
  7148. }
  7149. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7150. struct link_params *params,
  7151. u32 action)
  7152. {
  7153. struct bnx2x *bp = params->bp;
  7154. switch (action) {
  7155. case DISABLE_TX:
  7156. bnx2x_sfp_set_transmitter(params, phy, 0);
  7157. break;
  7158. case ENABLE_TX:
  7159. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7160. bnx2x_sfp_set_transmitter(params, phy, 1);
  7161. break;
  7162. default:
  7163. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7164. action);
  7165. return;
  7166. }
  7167. }
  7168. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7169. u8 gpio_mode)
  7170. {
  7171. struct bnx2x *bp = params->bp;
  7172. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7173. offsetof(struct shmem_region,
  7174. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7175. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7176. switch (fault_led_gpio) {
  7177. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7178. return;
  7179. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7180. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7181. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7182. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7183. {
  7184. u8 gpio_port = bnx2x_get_gpio_port(params);
  7185. u16 gpio_pin = fault_led_gpio -
  7186. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7187. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7188. "pin %x port %x mode %x\n",
  7189. gpio_pin, gpio_port, gpio_mode);
  7190. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7191. }
  7192. break;
  7193. default:
  7194. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7195. fault_led_gpio);
  7196. }
  7197. }
  7198. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7199. u8 gpio_mode)
  7200. {
  7201. u32 pin_cfg;
  7202. u8 port = params->port;
  7203. struct bnx2x *bp = params->bp;
  7204. pin_cfg = (REG_RD(bp, params->shmem_base +
  7205. offsetof(struct shmem_region,
  7206. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7207. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7208. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7209. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7210. gpio_mode, pin_cfg);
  7211. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7212. }
  7213. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7214. u8 gpio_mode)
  7215. {
  7216. struct bnx2x *bp = params->bp;
  7217. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7218. if (CHIP_IS_E3(bp)) {
  7219. /*
  7220. * Low ==> if SFP+ module is supported otherwise
  7221. * High ==> if SFP+ module is not on the approved vendor list
  7222. */
  7223. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7224. } else
  7225. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7226. }
  7227. static void bnx2x_warpcore_power_module(struct link_params *params,
  7228. struct bnx2x_phy *phy,
  7229. u8 power)
  7230. {
  7231. u32 pin_cfg;
  7232. struct bnx2x *bp = params->bp;
  7233. pin_cfg = (REG_RD(bp, params->shmem_base +
  7234. offsetof(struct shmem_region,
  7235. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7236. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7237. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7238. if (pin_cfg == PIN_CFG_NA)
  7239. return;
  7240. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7241. power, pin_cfg);
  7242. /*
  7243. * Low ==> corresponding SFP+ module is powered
  7244. * high ==> the SFP+ module is powered down
  7245. */
  7246. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7247. }
  7248. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7249. struct link_params *params)
  7250. {
  7251. struct bnx2x *bp = params->bp;
  7252. bnx2x_warpcore_power_module(params, phy, 0);
  7253. /* Put Warpcore in low power mode */
  7254. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7255. /* Put LCPLL in low power mode */
  7256. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7257. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7258. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7259. }
  7260. static void bnx2x_power_sfp_module(struct link_params *params,
  7261. struct bnx2x_phy *phy,
  7262. u8 power)
  7263. {
  7264. struct bnx2x *bp = params->bp;
  7265. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7266. switch (phy->type) {
  7267. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7268. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7269. bnx2x_8727_power_module(params->bp, phy, power);
  7270. break;
  7271. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7272. bnx2x_warpcore_power_module(params, phy, power);
  7273. break;
  7274. default:
  7275. break;
  7276. }
  7277. }
  7278. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7279. struct bnx2x_phy *phy,
  7280. u16 edc_mode)
  7281. {
  7282. u16 val = 0;
  7283. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7284. struct bnx2x *bp = params->bp;
  7285. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7286. /* This is a global register which controls all lanes */
  7287. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7288. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7289. val &= ~(0xf << (lane << 2));
  7290. switch (edc_mode) {
  7291. case EDC_MODE_LINEAR:
  7292. case EDC_MODE_LIMITING:
  7293. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7294. break;
  7295. case EDC_MODE_PASSIVE_DAC:
  7296. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7297. break;
  7298. default:
  7299. break;
  7300. }
  7301. val |= (mode << (lane << 2));
  7302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7303. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7304. /* A must read */
  7305. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7306. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7307. /* Restart microcode to re-read the new mode */
  7308. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7309. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7310. }
  7311. static void bnx2x_set_limiting_mode(struct link_params *params,
  7312. struct bnx2x_phy *phy,
  7313. u16 edc_mode)
  7314. {
  7315. switch (phy->type) {
  7316. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7317. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7318. break;
  7319. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7320. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7321. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7322. break;
  7323. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7324. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7325. break;
  7326. }
  7327. }
  7328. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7329. struct link_params *params)
  7330. {
  7331. struct bnx2x *bp = params->bp;
  7332. u16 edc_mode;
  7333. int rc = 0;
  7334. u32 val = REG_RD(bp, params->shmem_base +
  7335. offsetof(struct shmem_region, dev_info.
  7336. port_feature_config[params->port].config));
  7337. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7338. params->port);
  7339. /* Power up module */
  7340. bnx2x_power_sfp_module(params, phy, 1);
  7341. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7342. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7343. return -EINVAL;
  7344. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7345. /* check SFP+ module compatibility */
  7346. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7347. rc = -EINVAL;
  7348. /* Turn on fault module-detected led */
  7349. bnx2x_set_sfp_module_fault_led(params,
  7350. MISC_REGISTERS_GPIO_HIGH);
  7351. /* Check if need to power down the SFP+ module */
  7352. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7353. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7354. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7355. bnx2x_power_sfp_module(params, phy, 0);
  7356. return rc;
  7357. }
  7358. } else {
  7359. /* Turn off fault module-detected led */
  7360. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7361. }
  7362. /*
  7363. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7364. * is done automatically
  7365. */
  7366. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7367. /*
  7368. * Enable transmit for this module if the module is approved, or
  7369. * if unapproved modules should also enable the Tx laser
  7370. */
  7371. if (rc == 0 ||
  7372. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7373. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7374. bnx2x_sfp_set_transmitter(params, phy, 1);
  7375. else
  7376. bnx2x_sfp_set_transmitter(params, phy, 0);
  7377. return rc;
  7378. }
  7379. void bnx2x_handle_module_detect_int(struct link_params *params)
  7380. {
  7381. struct bnx2x *bp = params->bp;
  7382. struct bnx2x_phy *phy;
  7383. u32 gpio_val;
  7384. u8 gpio_num, gpio_port;
  7385. if (CHIP_IS_E3(bp))
  7386. phy = &params->phy[INT_PHY];
  7387. else
  7388. phy = &params->phy[EXT_PHY1];
  7389. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7390. params->port, &gpio_num, &gpio_port) ==
  7391. -EINVAL) {
  7392. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7393. return;
  7394. }
  7395. /* Set valid module led off */
  7396. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7397. /* Get current gpio val reflecting module plugged in / out*/
  7398. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7399. /* Call the handling function in case module is detected */
  7400. if (gpio_val == 0) {
  7401. bnx2x_power_sfp_module(params, phy, 1);
  7402. bnx2x_set_gpio_int(bp, gpio_num,
  7403. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7404. gpio_port);
  7405. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7406. bnx2x_sfp_module_detection(phy, params);
  7407. else
  7408. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7409. } else {
  7410. u32 val = REG_RD(bp, params->shmem_base +
  7411. offsetof(struct shmem_region, dev_info.
  7412. port_feature_config[params->port].
  7413. config));
  7414. bnx2x_set_gpio_int(bp, gpio_num,
  7415. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7416. gpio_port);
  7417. /*
  7418. * Module was plugged out.
  7419. * Disable transmit for this module
  7420. */
  7421. phy->media_type = ETH_PHY_NOT_PRESENT;
  7422. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7423. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7424. CHIP_IS_E3(bp))
  7425. bnx2x_sfp_set_transmitter(params, phy, 0);
  7426. }
  7427. }
  7428. /******************************************************************/
  7429. /* Used by 8706 and 8727 */
  7430. /******************************************************************/
  7431. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7432. struct bnx2x_phy *phy,
  7433. u16 alarm_status_offset,
  7434. u16 alarm_ctrl_offset)
  7435. {
  7436. u16 alarm_status, val;
  7437. bnx2x_cl45_read(bp, phy,
  7438. MDIO_PMA_DEVAD, alarm_status_offset,
  7439. &alarm_status);
  7440. bnx2x_cl45_read(bp, phy,
  7441. MDIO_PMA_DEVAD, alarm_status_offset,
  7442. &alarm_status);
  7443. /* Mask or enable the fault event. */
  7444. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7445. if (alarm_status & (1<<0))
  7446. val &= ~(1<<0);
  7447. else
  7448. val |= (1<<0);
  7449. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7450. }
  7451. /******************************************************************/
  7452. /* common BCM8706/BCM8726 PHY SECTION */
  7453. /******************************************************************/
  7454. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7455. struct link_params *params,
  7456. struct link_vars *vars)
  7457. {
  7458. u8 link_up = 0;
  7459. u16 val1, val2, rx_sd, pcs_status;
  7460. struct bnx2x *bp = params->bp;
  7461. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7462. /* Clear RX Alarm*/
  7463. bnx2x_cl45_read(bp, phy,
  7464. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7465. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7466. MDIO_PMA_LASI_TXCTRL);
  7467. /* clear LASI indication*/
  7468. bnx2x_cl45_read(bp, phy,
  7469. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7470. bnx2x_cl45_read(bp, phy,
  7471. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7472. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7473. bnx2x_cl45_read(bp, phy,
  7474. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7475. bnx2x_cl45_read(bp, phy,
  7476. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7477. bnx2x_cl45_read(bp, phy,
  7478. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7479. bnx2x_cl45_read(bp, phy,
  7480. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7481. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7482. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7483. /*
  7484. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7485. * are set, or if the autoneg bit 1 is set
  7486. */
  7487. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7488. if (link_up) {
  7489. if (val2 & (1<<1))
  7490. vars->line_speed = SPEED_1000;
  7491. else
  7492. vars->line_speed = SPEED_10000;
  7493. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7494. vars->duplex = DUPLEX_FULL;
  7495. }
  7496. /* Capture 10G link fault. Read twice to clear stale value. */
  7497. if (vars->line_speed == SPEED_10000) {
  7498. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7499. MDIO_PMA_LASI_TXSTAT, &val1);
  7500. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7501. MDIO_PMA_LASI_TXSTAT, &val1);
  7502. if (val1 & (1<<0))
  7503. vars->fault_detected = 1;
  7504. }
  7505. return link_up;
  7506. }
  7507. /******************************************************************/
  7508. /* BCM8706 PHY SECTION */
  7509. /******************************************************************/
  7510. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7511. struct link_params *params,
  7512. struct link_vars *vars)
  7513. {
  7514. u32 tx_en_mode;
  7515. u16 cnt, val, tmp1;
  7516. struct bnx2x *bp = params->bp;
  7517. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7518. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7519. /* HW reset */
  7520. bnx2x_ext_phy_hw_reset(bp, params->port);
  7521. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7522. bnx2x_wait_reset_complete(bp, phy, params);
  7523. /* Wait until fw is loaded */
  7524. for (cnt = 0; cnt < 100; cnt++) {
  7525. bnx2x_cl45_read(bp, phy,
  7526. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7527. if (val)
  7528. break;
  7529. msleep(10);
  7530. }
  7531. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7532. if ((params->feature_config_flags &
  7533. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7534. u8 i;
  7535. u16 reg;
  7536. for (i = 0; i < 4; i++) {
  7537. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7538. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7539. MDIO_XS_8706_REG_BANK_RX0);
  7540. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7541. /* Clear first 3 bits of the control */
  7542. val &= ~0x7;
  7543. /* Set control bits according to configuration */
  7544. val |= (phy->rx_preemphasis[i] & 0x7);
  7545. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7546. " reg 0x%x <-- val 0x%x\n", reg, val);
  7547. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7548. }
  7549. }
  7550. /* Force speed */
  7551. if (phy->req_line_speed == SPEED_10000) {
  7552. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7553. bnx2x_cl45_write(bp, phy,
  7554. MDIO_PMA_DEVAD,
  7555. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7556. bnx2x_cl45_write(bp, phy,
  7557. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7558. 0);
  7559. /* Arm LASI for link and Tx fault. */
  7560. bnx2x_cl45_write(bp, phy,
  7561. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7562. } else {
  7563. /* Force 1Gbps using autoneg with 1G advertisement */
  7564. /* Allow CL37 through CL73 */
  7565. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7566. bnx2x_cl45_write(bp, phy,
  7567. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7568. /* Enable Full-Duplex advertisement on CL37 */
  7569. bnx2x_cl45_write(bp, phy,
  7570. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7571. /* Enable CL37 AN */
  7572. bnx2x_cl45_write(bp, phy,
  7573. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7574. /* 1G support */
  7575. bnx2x_cl45_write(bp, phy,
  7576. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7577. /* Enable clause 73 AN */
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7580. bnx2x_cl45_write(bp, phy,
  7581. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7582. 0x0400);
  7583. bnx2x_cl45_write(bp, phy,
  7584. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7585. 0x0004);
  7586. }
  7587. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7588. /*
  7589. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7590. * power mode, if TX Laser is disabled
  7591. */
  7592. tx_en_mode = REG_RD(bp, params->shmem_base +
  7593. offsetof(struct shmem_region,
  7594. dev_info.port_hw_config[params->port].sfp_ctrl))
  7595. & PORT_HW_CFG_TX_LASER_MASK;
  7596. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7597. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7598. bnx2x_cl45_read(bp, phy,
  7599. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7600. tmp1 |= 0x1;
  7601. bnx2x_cl45_write(bp, phy,
  7602. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7603. }
  7604. return 0;
  7605. }
  7606. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7607. struct link_params *params,
  7608. struct link_vars *vars)
  7609. {
  7610. return bnx2x_8706_8726_read_status(phy, params, vars);
  7611. }
  7612. /******************************************************************/
  7613. /* BCM8726 PHY SECTION */
  7614. /******************************************************************/
  7615. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7616. struct link_params *params)
  7617. {
  7618. struct bnx2x *bp = params->bp;
  7619. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7620. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7621. }
  7622. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7623. struct link_params *params)
  7624. {
  7625. struct bnx2x *bp = params->bp;
  7626. /* Need to wait 100ms after reset */
  7627. msleep(100);
  7628. /* Micro controller re-boot */
  7629. bnx2x_cl45_write(bp, phy,
  7630. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7631. /* Set soft reset */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD,
  7634. MDIO_PMA_REG_GEN_CTRL,
  7635. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7636. bnx2x_cl45_write(bp, phy,
  7637. MDIO_PMA_DEVAD,
  7638. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD,
  7641. MDIO_PMA_REG_GEN_CTRL,
  7642. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7643. /* wait for 150ms for microcode load */
  7644. msleep(150);
  7645. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7646. bnx2x_cl45_write(bp, phy,
  7647. MDIO_PMA_DEVAD,
  7648. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7649. msleep(200);
  7650. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7651. }
  7652. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7653. struct link_params *params,
  7654. struct link_vars *vars)
  7655. {
  7656. struct bnx2x *bp = params->bp;
  7657. u16 val1;
  7658. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7659. if (link_up) {
  7660. bnx2x_cl45_read(bp, phy,
  7661. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7662. &val1);
  7663. if (val1 & (1<<15)) {
  7664. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7665. link_up = 0;
  7666. vars->line_speed = 0;
  7667. }
  7668. }
  7669. return link_up;
  7670. }
  7671. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7672. struct link_params *params,
  7673. struct link_vars *vars)
  7674. {
  7675. struct bnx2x *bp = params->bp;
  7676. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7677. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7678. bnx2x_wait_reset_complete(bp, phy, params);
  7679. bnx2x_8726_external_rom_boot(phy, params);
  7680. /*
  7681. * Need to call module detected on initialization since the module
  7682. * detection triggered by actual module insertion might occur before
  7683. * driver is loaded, and when driver is loaded, it reset all
  7684. * registers, including the transmitter
  7685. */
  7686. bnx2x_sfp_module_detection(phy, params);
  7687. if (phy->req_line_speed == SPEED_1000) {
  7688. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7689. bnx2x_cl45_write(bp, phy,
  7690. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7691. bnx2x_cl45_write(bp, phy,
  7692. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7693. bnx2x_cl45_write(bp, phy,
  7694. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7695. bnx2x_cl45_write(bp, phy,
  7696. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7697. 0x400);
  7698. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7699. (phy->speed_cap_mask &
  7700. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7701. ((phy->speed_cap_mask &
  7702. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7703. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7704. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7705. /* Set Flow control */
  7706. bnx2x_ext_phy_set_pause(params, phy, vars);
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7709. bnx2x_cl45_write(bp, phy,
  7710. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7711. bnx2x_cl45_write(bp, phy,
  7712. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7713. bnx2x_cl45_write(bp, phy,
  7714. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7715. bnx2x_cl45_write(bp, phy,
  7716. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7717. /*
  7718. * Enable RX-ALARM control to receive interrupt for 1G speed
  7719. * change
  7720. */
  7721. bnx2x_cl45_write(bp, phy,
  7722. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7723. bnx2x_cl45_write(bp, phy,
  7724. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7725. 0x400);
  7726. } else { /* Default 10G. Set only LASI control */
  7727. bnx2x_cl45_write(bp, phy,
  7728. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7729. }
  7730. /* Set TX PreEmphasis if needed */
  7731. if ((params->feature_config_flags &
  7732. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7733. DP(NETIF_MSG_LINK,
  7734. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7735. phy->tx_preemphasis[0],
  7736. phy->tx_preemphasis[1]);
  7737. bnx2x_cl45_write(bp, phy,
  7738. MDIO_PMA_DEVAD,
  7739. MDIO_PMA_REG_8726_TX_CTRL1,
  7740. phy->tx_preemphasis[0]);
  7741. bnx2x_cl45_write(bp, phy,
  7742. MDIO_PMA_DEVAD,
  7743. MDIO_PMA_REG_8726_TX_CTRL2,
  7744. phy->tx_preemphasis[1]);
  7745. }
  7746. return 0;
  7747. }
  7748. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7749. struct link_params *params)
  7750. {
  7751. struct bnx2x *bp = params->bp;
  7752. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7753. /* Set serial boot control for external load */
  7754. bnx2x_cl45_write(bp, phy,
  7755. MDIO_PMA_DEVAD,
  7756. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7757. }
  7758. /******************************************************************/
  7759. /* BCM8727 PHY SECTION */
  7760. /******************************************************************/
  7761. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7762. struct link_params *params, u8 mode)
  7763. {
  7764. struct bnx2x *bp = params->bp;
  7765. u16 led_mode_bitmask = 0;
  7766. u16 gpio_pins_bitmask = 0;
  7767. u16 val;
  7768. /* Only NOC flavor requires to set the LED specifically */
  7769. if (!(phy->flags & FLAGS_NOC))
  7770. return;
  7771. switch (mode) {
  7772. case LED_MODE_FRONT_PANEL_OFF:
  7773. case LED_MODE_OFF:
  7774. led_mode_bitmask = 0;
  7775. gpio_pins_bitmask = 0x03;
  7776. break;
  7777. case LED_MODE_ON:
  7778. led_mode_bitmask = 0;
  7779. gpio_pins_bitmask = 0x02;
  7780. break;
  7781. case LED_MODE_OPER:
  7782. led_mode_bitmask = 0x60;
  7783. gpio_pins_bitmask = 0x11;
  7784. break;
  7785. }
  7786. bnx2x_cl45_read(bp, phy,
  7787. MDIO_PMA_DEVAD,
  7788. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7789. &val);
  7790. val &= 0xff8f;
  7791. val |= led_mode_bitmask;
  7792. bnx2x_cl45_write(bp, phy,
  7793. MDIO_PMA_DEVAD,
  7794. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7795. val);
  7796. bnx2x_cl45_read(bp, phy,
  7797. MDIO_PMA_DEVAD,
  7798. MDIO_PMA_REG_8727_GPIO_CTRL,
  7799. &val);
  7800. val &= 0xffe0;
  7801. val |= gpio_pins_bitmask;
  7802. bnx2x_cl45_write(bp, phy,
  7803. MDIO_PMA_DEVAD,
  7804. MDIO_PMA_REG_8727_GPIO_CTRL,
  7805. val);
  7806. }
  7807. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7808. struct link_params *params) {
  7809. u32 swap_val, swap_override;
  7810. u8 port;
  7811. /*
  7812. * The PHY reset is controlled by GPIO 1. Fake the port number
  7813. * to cancel the swap done in set_gpio()
  7814. */
  7815. struct bnx2x *bp = params->bp;
  7816. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7817. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7818. port = (swap_val && swap_override) ^ 1;
  7819. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7820. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7821. }
  7822. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7823. struct link_params *params,
  7824. struct link_vars *vars)
  7825. {
  7826. u32 tx_en_mode;
  7827. u16 tmp1, val, mod_abs, tmp2;
  7828. u16 rx_alarm_ctrl_val;
  7829. u16 lasi_ctrl_val;
  7830. struct bnx2x *bp = params->bp;
  7831. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7832. bnx2x_wait_reset_complete(bp, phy, params);
  7833. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7834. /* Should be 0x6 to enable XS on Tx side. */
  7835. lasi_ctrl_val = 0x0006;
  7836. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7837. /* enable LASI */
  7838. bnx2x_cl45_write(bp, phy,
  7839. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7840. rx_alarm_ctrl_val);
  7841. bnx2x_cl45_write(bp, phy,
  7842. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7843. 0);
  7844. bnx2x_cl45_write(bp, phy,
  7845. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7846. /*
  7847. * Initially configure MOD_ABS to interrupt when module is
  7848. * presence( bit 8)
  7849. */
  7850. bnx2x_cl45_read(bp, phy,
  7851. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7852. /*
  7853. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7854. * When the EDC is off it locks onto a reference clock and avoids
  7855. * becoming 'lost'
  7856. */
  7857. mod_abs &= ~(1<<8);
  7858. if (!(phy->flags & FLAGS_NOC))
  7859. mod_abs &= ~(1<<9);
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7862. /* Enable/Disable PHY transmitter output */
  7863. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7864. /* Make MOD_ABS give interrupt on change */
  7865. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7866. &val);
  7867. val |= (1<<12);
  7868. if (phy->flags & FLAGS_NOC)
  7869. val |= (3<<5);
  7870. /*
  7871. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7872. * status which reflect SFP+ module over-current
  7873. */
  7874. if (!(phy->flags & FLAGS_NOC))
  7875. val &= 0xff8f; /* Reset bits 4-6 */
  7876. bnx2x_cl45_write(bp, phy,
  7877. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7878. bnx2x_8727_power_module(bp, phy, 1);
  7879. bnx2x_cl45_read(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7881. bnx2x_cl45_read(bp, phy,
  7882. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7883. /* Set option 1G speed */
  7884. if (phy->req_line_speed == SPEED_1000) {
  7885. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7886. bnx2x_cl45_write(bp, phy,
  7887. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7888. bnx2x_cl45_write(bp, phy,
  7889. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7890. bnx2x_cl45_read(bp, phy,
  7891. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7892. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7893. /*
  7894. * Power down the XAUI until link is up in case of dual-media
  7895. * and 1G
  7896. */
  7897. if (DUAL_MEDIA(params)) {
  7898. bnx2x_cl45_read(bp, phy,
  7899. MDIO_PMA_DEVAD,
  7900. MDIO_PMA_REG_8727_PCS_GP, &val);
  7901. val |= (3<<10);
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD,
  7904. MDIO_PMA_REG_8727_PCS_GP, val);
  7905. }
  7906. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7907. ((phy->speed_cap_mask &
  7908. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7909. ((phy->speed_cap_mask &
  7910. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7911. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7912. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7917. } else {
  7918. /*
  7919. * Since the 8727 has only single reset pin, need to set the 10G
  7920. * registers although it is default
  7921. */
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7924. 0x0020);
  7925. bnx2x_cl45_write(bp, phy,
  7926. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7927. bnx2x_cl45_write(bp, phy,
  7928. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7929. bnx2x_cl45_write(bp, phy,
  7930. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7931. 0x0008);
  7932. }
  7933. /*
  7934. * Set 2-wire transfer rate of SFP+ module EEPROM
  7935. * to 100Khz since some DACs(direct attached cables) do
  7936. * not work at 400Khz.
  7937. */
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7940. 0xa001);
  7941. /* Set TX PreEmphasis if needed */
  7942. if ((params->feature_config_flags &
  7943. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7944. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7945. phy->tx_preemphasis[0],
  7946. phy->tx_preemphasis[1]);
  7947. bnx2x_cl45_write(bp, phy,
  7948. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7949. phy->tx_preemphasis[0]);
  7950. bnx2x_cl45_write(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7952. phy->tx_preemphasis[1]);
  7953. }
  7954. /*
  7955. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7956. * power mode, if TX Laser is disabled
  7957. */
  7958. tx_en_mode = REG_RD(bp, params->shmem_base +
  7959. offsetof(struct shmem_region,
  7960. dev_info.port_hw_config[params->port].sfp_ctrl))
  7961. & PORT_HW_CFG_TX_LASER_MASK;
  7962. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7963. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7964. bnx2x_cl45_read(bp, phy,
  7965. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7966. tmp2 |= 0x1000;
  7967. tmp2 &= 0xFFEF;
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7970. }
  7971. return 0;
  7972. }
  7973. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7974. struct link_params *params)
  7975. {
  7976. struct bnx2x *bp = params->bp;
  7977. u16 mod_abs, rx_alarm_status;
  7978. u32 val = REG_RD(bp, params->shmem_base +
  7979. offsetof(struct shmem_region, dev_info.
  7980. port_feature_config[params->port].
  7981. config));
  7982. bnx2x_cl45_read(bp, phy,
  7983. MDIO_PMA_DEVAD,
  7984. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7985. if (mod_abs & (1<<8)) {
  7986. /* Module is absent */
  7987. DP(NETIF_MSG_LINK,
  7988. "MOD_ABS indication show module is absent\n");
  7989. phy->media_type = ETH_PHY_NOT_PRESENT;
  7990. /*
  7991. * 1. Set mod_abs to detect next module
  7992. * presence event
  7993. * 2. Set EDC off by setting OPTXLOS signal input to low
  7994. * (bit 9).
  7995. * When the EDC is off it locks onto a reference clock and
  7996. * avoids becoming 'lost'.
  7997. */
  7998. mod_abs &= ~(1<<8);
  7999. if (!(phy->flags & FLAGS_NOC))
  8000. mod_abs &= ~(1<<9);
  8001. bnx2x_cl45_write(bp, phy,
  8002. MDIO_PMA_DEVAD,
  8003. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8004. /*
  8005. * Clear RX alarm since it stays up as long as
  8006. * the mod_abs wasn't changed
  8007. */
  8008. bnx2x_cl45_read(bp, phy,
  8009. MDIO_PMA_DEVAD,
  8010. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8011. } else {
  8012. /* Module is present */
  8013. DP(NETIF_MSG_LINK,
  8014. "MOD_ABS indication show module is present\n");
  8015. /*
  8016. * First disable transmitter, and if the module is ok, the
  8017. * module_detection will enable it
  8018. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8019. * 2. Restore the default polarity of the OPRXLOS signal and
  8020. * this signal will then correctly indicate the presence or
  8021. * absence of the Rx signal. (bit 9)
  8022. */
  8023. mod_abs |= (1<<8);
  8024. if (!(phy->flags & FLAGS_NOC))
  8025. mod_abs |= (1<<9);
  8026. bnx2x_cl45_write(bp, phy,
  8027. MDIO_PMA_DEVAD,
  8028. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8029. /*
  8030. * Clear RX alarm since it stays up as long as the mod_abs
  8031. * wasn't changed. This is need to be done before calling the
  8032. * module detection, otherwise it will clear* the link update
  8033. * alarm
  8034. */
  8035. bnx2x_cl45_read(bp, phy,
  8036. MDIO_PMA_DEVAD,
  8037. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8038. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8039. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8040. bnx2x_sfp_set_transmitter(params, phy, 0);
  8041. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8042. bnx2x_sfp_module_detection(phy, params);
  8043. else
  8044. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8045. }
  8046. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8047. rx_alarm_status);
  8048. /* No need to check link status in case of module plugged in/out */
  8049. }
  8050. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8051. struct link_params *params,
  8052. struct link_vars *vars)
  8053. {
  8054. struct bnx2x *bp = params->bp;
  8055. u8 link_up = 0, oc_port = params->port;
  8056. u16 link_status = 0;
  8057. u16 rx_alarm_status, lasi_ctrl, val1;
  8058. /* If PHY is not initialized, do not check link status */
  8059. bnx2x_cl45_read(bp, phy,
  8060. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8061. &lasi_ctrl);
  8062. if (!lasi_ctrl)
  8063. return 0;
  8064. /* Check the LASI on Rx */
  8065. bnx2x_cl45_read(bp, phy,
  8066. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8067. &rx_alarm_status);
  8068. vars->line_speed = 0;
  8069. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8070. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8071. MDIO_PMA_LASI_TXCTRL);
  8072. bnx2x_cl45_read(bp, phy,
  8073. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8074. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8075. /* Clear MSG-OUT */
  8076. bnx2x_cl45_read(bp, phy,
  8077. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8078. /*
  8079. * If a module is present and there is need to check
  8080. * for over current
  8081. */
  8082. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8083. /* Check over-current using 8727 GPIO0 input*/
  8084. bnx2x_cl45_read(bp, phy,
  8085. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8086. &val1);
  8087. if ((val1 & (1<<8)) == 0) {
  8088. if (!CHIP_IS_E1x(bp))
  8089. oc_port = BP_PATH(bp) + (params->port << 1);
  8090. DP(NETIF_MSG_LINK,
  8091. "8727 Power fault has been detected on port %d\n",
  8092. oc_port);
  8093. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  8094. " been detected and the power to "
  8095. "that SFP+ module has been removed"
  8096. " to prevent failure of the card."
  8097. " Please remove the SFP+ module and"
  8098. " restart the system to clear this"
  8099. " error.\n",
  8100. oc_port);
  8101. /* Disable all RX_ALARMs except for mod_abs */
  8102. bnx2x_cl45_write(bp, phy,
  8103. MDIO_PMA_DEVAD,
  8104. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8105. bnx2x_cl45_read(bp, phy,
  8106. MDIO_PMA_DEVAD,
  8107. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8108. /* Wait for module_absent_event */
  8109. val1 |= (1<<8);
  8110. bnx2x_cl45_write(bp, phy,
  8111. MDIO_PMA_DEVAD,
  8112. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8113. /* Clear RX alarm */
  8114. bnx2x_cl45_read(bp, phy,
  8115. MDIO_PMA_DEVAD,
  8116. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8117. return 0;
  8118. }
  8119. } /* Over current check */
  8120. /* When module absent bit is set, check module */
  8121. if (rx_alarm_status & (1<<5)) {
  8122. bnx2x_8727_handle_mod_abs(phy, params);
  8123. /* Enable all mod_abs and link detection bits */
  8124. bnx2x_cl45_write(bp, phy,
  8125. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8126. ((1<<5) | (1<<2)));
  8127. }
  8128. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8129. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8130. /* If transmitter is disabled, ignore false link up indication */
  8131. bnx2x_cl45_read(bp, phy,
  8132. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8133. if (val1 & (1<<15)) {
  8134. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8135. return 0;
  8136. }
  8137. bnx2x_cl45_read(bp, phy,
  8138. MDIO_PMA_DEVAD,
  8139. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8140. /*
  8141. * Bits 0..2 --> speed detected,
  8142. * Bits 13..15--> link is down
  8143. */
  8144. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8145. link_up = 1;
  8146. vars->line_speed = SPEED_10000;
  8147. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8148. params->port);
  8149. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8150. link_up = 1;
  8151. vars->line_speed = SPEED_1000;
  8152. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8153. params->port);
  8154. } else {
  8155. link_up = 0;
  8156. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8157. params->port);
  8158. }
  8159. /* Capture 10G link fault. */
  8160. if (vars->line_speed == SPEED_10000) {
  8161. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8162. MDIO_PMA_LASI_TXSTAT, &val1);
  8163. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8164. MDIO_PMA_LASI_TXSTAT, &val1);
  8165. if (val1 & (1<<0)) {
  8166. vars->fault_detected = 1;
  8167. }
  8168. }
  8169. if (link_up) {
  8170. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8171. vars->duplex = DUPLEX_FULL;
  8172. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8173. }
  8174. if ((DUAL_MEDIA(params)) &&
  8175. (phy->req_line_speed == SPEED_1000)) {
  8176. bnx2x_cl45_read(bp, phy,
  8177. MDIO_PMA_DEVAD,
  8178. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8179. /*
  8180. * In case of dual-media board and 1G, power up the XAUI side,
  8181. * otherwise power it down. For 10G it is done automatically
  8182. */
  8183. if (link_up)
  8184. val1 &= ~(3<<10);
  8185. else
  8186. val1 |= (3<<10);
  8187. bnx2x_cl45_write(bp, phy,
  8188. MDIO_PMA_DEVAD,
  8189. MDIO_PMA_REG_8727_PCS_GP, val1);
  8190. }
  8191. return link_up;
  8192. }
  8193. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8194. struct link_params *params)
  8195. {
  8196. struct bnx2x *bp = params->bp;
  8197. /* Enable/Disable PHY transmitter output */
  8198. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8199. /* Disable Transmitter */
  8200. bnx2x_sfp_set_transmitter(params, phy, 0);
  8201. /* Clear LASI */
  8202. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8203. }
  8204. /******************************************************************/
  8205. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8206. /******************************************************************/
  8207. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8208. struct link_params *params)
  8209. {
  8210. u16 val, fw_ver1, fw_ver2, cnt;
  8211. u8 port;
  8212. struct bnx2x *bp = params->bp;
  8213. port = params->port;
  8214. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8215. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8216. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8217. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8218. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8219. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8220. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8221. for (cnt = 0; cnt < 100; cnt++) {
  8222. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8223. if (val & 1)
  8224. break;
  8225. udelay(5);
  8226. }
  8227. if (cnt == 100) {
  8228. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8229. bnx2x_save_spirom_version(bp, port, 0,
  8230. phy->ver_addr);
  8231. return;
  8232. }
  8233. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8234. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8235. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8236. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8237. for (cnt = 0; cnt < 100; cnt++) {
  8238. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8239. if (val & 1)
  8240. break;
  8241. udelay(5);
  8242. }
  8243. if (cnt == 100) {
  8244. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8245. bnx2x_save_spirom_version(bp, port, 0,
  8246. phy->ver_addr);
  8247. return;
  8248. }
  8249. /* lower 16 bits of the register SPI_FW_STATUS */
  8250. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8251. /* upper 16 bits of register SPI_FW_STATUS */
  8252. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8253. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8254. phy->ver_addr);
  8255. }
  8256. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8257. struct bnx2x_phy *phy)
  8258. {
  8259. u16 val;
  8260. /* PHYC_CTL_LED_CTL */
  8261. bnx2x_cl45_read(bp, phy,
  8262. MDIO_PMA_DEVAD,
  8263. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8264. val &= 0xFE00;
  8265. val |= 0x0092;
  8266. bnx2x_cl45_write(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8481_LED1_MASK,
  8272. 0x80);
  8273. bnx2x_cl45_write(bp, phy,
  8274. MDIO_PMA_DEVAD,
  8275. MDIO_PMA_REG_8481_LED2_MASK,
  8276. 0x18);
  8277. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8278. bnx2x_cl45_write(bp, phy,
  8279. MDIO_PMA_DEVAD,
  8280. MDIO_PMA_REG_8481_LED3_MASK,
  8281. 0x0006);
  8282. /* Select the closest activity blink rate to that in 10/100/1000 */
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_8481_LED3_BLINK,
  8286. 0);
  8287. bnx2x_cl45_read(bp, phy,
  8288. MDIO_PMA_DEVAD,
  8289. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8290. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8291. bnx2x_cl45_write(bp, phy,
  8292. MDIO_PMA_DEVAD,
  8293. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8294. /* 'Interrupt Mask' */
  8295. bnx2x_cl45_write(bp, phy,
  8296. MDIO_AN_DEVAD,
  8297. 0xFFFB, 0xFFFD);
  8298. }
  8299. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8300. struct link_params *params,
  8301. struct link_vars *vars)
  8302. {
  8303. struct bnx2x *bp = params->bp;
  8304. u16 autoneg_val, an_1000_val, an_10_100_val;
  8305. u16 tmp_req_line_speed;
  8306. tmp_req_line_speed = phy->req_line_speed;
  8307. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8308. if (phy->req_line_speed == SPEED_10000)
  8309. phy->req_line_speed = SPEED_AUTO_NEG;
  8310. /*
  8311. * This phy uses the NIG latch mechanism since link indication
  8312. * arrives through its LED4 and not via its LASI signal, so we
  8313. * get steady signal instead of clear on read
  8314. */
  8315. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8316. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8317. bnx2x_cl45_write(bp, phy,
  8318. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8319. bnx2x_848xx_set_led(bp, phy);
  8320. /* set 1000 speed advertisement */
  8321. bnx2x_cl45_read(bp, phy,
  8322. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8323. &an_1000_val);
  8324. bnx2x_ext_phy_set_pause(params, phy, vars);
  8325. bnx2x_cl45_read(bp, phy,
  8326. MDIO_AN_DEVAD,
  8327. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8328. &an_10_100_val);
  8329. bnx2x_cl45_read(bp, phy,
  8330. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8331. &autoneg_val);
  8332. /* Disable forced speed */
  8333. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8334. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8335. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8336. (phy->speed_cap_mask &
  8337. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8338. (phy->req_line_speed == SPEED_1000)) {
  8339. an_1000_val |= (1<<8);
  8340. autoneg_val |= (1<<9 | 1<<12);
  8341. if (phy->req_duplex == DUPLEX_FULL)
  8342. an_1000_val |= (1<<9);
  8343. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8344. } else
  8345. an_1000_val &= ~((1<<8) | (1<<9));
  8346. bnx2x_cl45_write(bp, phy,
  8347. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8348. an_1000_val);
  8349. /* set 100 speed advertisement */
  8350. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8351. (phy->speed_cap_mask &
  8352. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8353. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8354. (phy->supported &
  8355. (SUPPORTED_100baseT_Half |
  8356. SUPPORTED_100baseT_Full)))) {
  8357. an_10_100_val |= (1<<7);
  8358. /* Enable autoneg and restart autoneg for legacy speeds */
  8359. autoneg_val |= (1<<9 | 1<<12);
  8360. if (phy->req_duplex == DUPLEX_FULL)
  8361. an_10_100_val |= (1<<8);
  8362. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8363. }
  8364. /* set 10 speed advertisement */
  8365. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8366. (phy->speed_cap_mask &
  8367. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8368. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8369. (phy->supported &
  8370. (SUPPORTED_10baseT_Half |
  8371. SUPPORTED_10baseT_Full)))) {
  8372. an_10_100_val |= (1<<5);
  8373. autoneg_val |= (1<<9 | 1<<12);
  8374. if (phy->req_duplex == DUPLEX_FULL)
  8375. an_10_100_val |= (1<<6);
  8376. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8377. }
  8378. /* Only 10/100 are allowed to work in FORCE mode */
  8379. if ((phy->req_line_speed == SPEED_100) &&
  8380. (phy->supported &
  8381. (SUPPORTED_100baseT_Half |
  8382. SUPPORTED_100baseT_Full))) {
  8383. autoneg_val |= (1<<13);
  8384. /* Enabled AUTO-MDIX when autoneg is disabled */
  8385. bnx2x_cl45_write(bp, phy,
  8386. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8387. (1<<15 | 1<<9 | 7<<0));
  8388. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8389. }
  8390. if ((phy->req_line_speed == SPEED_10) &&
  8391. (phy->supported &
  8392. (SUPPORTED_10baseT_Half |
  8393. SUPPORTED_10baseT_Full))) {
  8394. /* Enabled AUTO-MDIX when autoneg is disabled */
  8395. bnx2x_cl45_write(bp, phy,
  8396. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8397. (1<<15 | 1<<9 | 7<<0));
  8398. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8399. }
  8400. bnx2x_cl45_write(bp, phy,
  8401. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8402. an_10_100_val);
  8403. if (phy->req_duplex == DUPLEX_FULL)
  8404. autoneg_val |= (1<<8);
  8405. /*
  8406. * Always write this if this is not 84833.
  8407. * For 84833, write it only when it's a forced speed.
  8408. */
  8409. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8410. ((autoneg_val & (1<<12)) == 0))
  8411. bnx2x_cl45_write(bp, phy,
  8412. MDIO_AN_DEVAD,
  8413. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8414. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8415. (phy->speed_cap_mask &
  8416. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8417. (phy->req_line_speed == SPEED_10000)) {
  8418. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8419. /* Restart autoneg for 10G*/
  8420. bnx2x_cl45_write(bp, phy,
  8421. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8422. 0x3200);
  8423. } else
  8424. bnx2x_cl45_write(bp, phy,
  8425. MDIO_AN_DEVAD,
  8426. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8427. 1);
  8428. /* Save spirom version */
  8429. bnx2x_save_848xx_spirom_version(phy, params);
  8430. phy->req_line_speed = tmp_req_line_speed;
  8431. return 0;
  8432. }
  8433. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8434. struct link_params *params,
  8435. struct link_vars *vars)
  8436. {
  8437. struct bnx2x *bp = params->bp;
  8438. /* Restore normal power mode*/
  8439. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8440. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8441. /* HW reset */
  8442. bnx2x_ext_phy_hw_reset(bp, params->port);
  8443. bnx2x_wait_reset_complete(bp, phy, params);
  8444. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8445. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8446. }
  8447. #define PHY84833_HDSHK_WAIT 300
  8448. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8449. struct link_params *params,
  8450. struct link_vars *vars)
  8451. {
  8452. u32 idx;
  8453. u32 pair_swap;
  8454. u16 val;
  8455. u16 data;
  8456. struct bnx2x *bp = params->bp;
  8457. /* Do pair swap */
  8458. /* Check for configuration. */
  8459. pair_swap = REG_RD(bp, params->shmem_base +
  8460. offsetof(struct shmem_region,
  8461. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8462. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8463. if (pair_swap == 0)
  8464. return 0;
  8465. data = (u16)pair_swap;
  8466. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8467. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8468. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8469. PHY84833_CMD_OPEN_OVERRIDE);
  8470. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8471. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8472. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8473. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8474. break;
  8475. msleep(1);
  8476. }
  8477. if (idx >= PHY84833_HDSHK_WAIT) {
  8478. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8479. return -EINVAL;
  8480. }
  8481. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8482. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8483. data);
  8484. /* Issue pair swap command */
  8485. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8486. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8487. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8488. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8489. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8490. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8491. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8492. (val == PHY84833_CMD_COMPLETE_ERROR))
  8493. break;
  8494. msleep(1);
  8495. }
  8496. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8497. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8498. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8499. return -EINVAL;
  8500. }
  8501. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8502. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8503. PHY84833_CMD_CLEAR_COMPLETE);
  8504. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8505. return 0;
  8506. }
  8507. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8508. u32 shmem_base_path[],
  8509. u32 chip_id)
  8510. {
  8511. u32 reset_pin[2];
  8512. u32 idx;
  8513. u8 reset_gpios;
  8514. if (CHIP_IS_E3(bp)) {
  8515. /* Assume that these will be GPIOs, not EPIOs. */
  8516. for (idx = 0; idx < 2; idx++) {
  8517. /* Map config param to register bit. */
  8518. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8519. offsetof(struct shmem_region,
  8520. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8521. reset_pin[idx] = (reset_pin[idx] &
  8522. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8523. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8524. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8525. reset_pin[idx] = (1 << reset_pin[idx]);
  8526. }
  8527. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8528. } else {
  8529. /* E2, look from diff place of shmem. */
  8530. for (idx = 0; idx < 2; idx++) {
  8531. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8532. offsetof(struct shmem_region,
  8533. dev_info.port_hw_config[0].default_cfg));
  8534. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8535. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8536. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8537. reset_pin[idx] = (1 << reset_pin[idx]);
  8538. }
  8539. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8540. }
  8541. return reset_gpios;
  8542. }
  8543. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8544. struct link_params *params)
  8545. {
  8546. struct bnx2x *bp = params->bp;
  8547. u8 reset_gpios;
  8548. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8549. offsetof(struct shmem2_region,
  8550. other_shmem_base_addr));
  8551. u32 shmem_base_path[2];
  8552. shmem_base_path[0] = params->shmem_base;
  8553. shmem_base_path[1] = other_shmem_base_addr;
  8554. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8555. params->chip_id);
  8556. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8557. udelay(10);
  8558. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8559. reset_gpios);
  8560. return 0;
  8561. }
  8562. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8563. u32 shmem_base_path[],
  8564. u32 chip_id)
  8565. {
  8566. u8 reset_gpios;
  8567. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8568. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8569. udelay(10);
  8570. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8571. msleep(800);
  8572. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8573. reset_gpios);
  8574. return 0;
  8575. }
  8576. #define PHY84833_CONSTANT_LATENCY 1193
  8577. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8578. struct link_params *params,
  8579. struct link_vars *vars)
  8580. {
  8581. struct bnx2x *bp = params->bp;
  8582. u8 port, initialize = 1;
  8583. u16 val;
  8584. u16 temp;
  8585. u32 actual_phy_selection, cms_enable, idx;
  8586. int rc = 0;
  8587. msleep(1);
  8588. if (!(CHIP_IS_E1(bp)))
  8589. port = BP_PATH(bp);
  8590. else
  8591. port = params->port;
  8592. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8593. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8594. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8595. port);
  8596. } else {
  8597. /* MDIO reset */
  8598. bnx2x_cl45_write(bp, phy,
  8599. MDIO_PMA_DEVAD,
  8600. MDIO_PMA_REG_CTRL, 0x8000);
  8601. /* Bring PHY out of super isolate mode */
  8602. bnx2x_cl45_read(bp, phy,
  8603. MDIO_CTL_DEVAD,
  8604. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8605. val &= ~MDIO_84833_SUPER_ISOLATE;
  8606. bnx2x_cl45_write(bp, phy,
  8607. MDIO_CTL_DEVAD,
  8608. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8609. }
  8610. bnx2x_wait_reset_complete(bp, phy, params);
  8611. /* Wait for GPHY to come out of reset */
  8612. msleep(50);
  8613. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8614. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8615. /*
  8616. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8617. */
  8618. temp = vars->line_speed;
  8619. vars->line_speed = SPEED_10000;
  8620. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8621. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8622. vars->line_speed = temp;
  8623. /* Set dual-media configuration according to configuration */
  8624. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8625. MDIO_CTL_REG_84823_MEDIA, &val);
  8626. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8627. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8628. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8629. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8630. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8631. if (CHIP_IS_E3(bp)) {
  8632. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8633. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8634. } else {
  8635. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8636. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8637. }
  8638. actual_phy_selection = bnx2x_phy_selection(params);
  8639. switch (actual_phy_selection) {
  8640. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8641. /* Do nothing. Essentially this is like the priority copper */
  8642. break;
  8643. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8644. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8645. break;
  8646. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8647. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8648. break;
  8649. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8650. /* Do nothing here. The first PHY won't be initialized at all */
  8651. break;
  8652. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8653. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8654. initialize = 0;
  8655. break;
  8656. }
  8657. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8658. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8659. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8660. MDIO_CTL_REG_84823_MEDIA, val);
  8661. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8662. params->multi_phy_config, val);
  8663. /* AutogrEEEn */
  8664. if (params->feature_config_flags &
  8665. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8666. /* Ensure that f/w is ready */
  8667. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8668. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8669. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8670. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8671. break;
  8672. usleep_range(1000, 1000);
  8673. }
  8674. if (idx >= PHY84833_HDSHK_WAIT) {
  8675. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8676. return -EINVAL;
  8677. }
  8678. /* Select EEE mode */
  8679. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8680. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8681. 0x2);
  8682. /* Set Idle and Latency */
  8683. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8684. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8685. PHY84833_CONSTANT_LATENCY + 1);
  8686. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8687. MDIO_84833_TOP_CFG_DATA3_REG,
  8688. PHY84833_CONSTANT_LATENCY + 1);
  8689. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8690. MDIO_84833_TOP_CFG_DATA4_REG,
  8691. PHY84833_CONSTANT_LATENCY);
  8692. /* Send EEE instruction to command register */
  8693. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8694. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8695. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8696. /* Ensure that the command has completed */
  8697. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8698. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8699. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8700. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8701. (val == PHY84833_CMD_COMPLETE_ERROR))
  8702. break;
  8703. usleep_range(1000, 1000);
  8704. }
  8705. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8706. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8707. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8708. return -EINVAL;
  8709. }
  8710. /* Reset command handler */
  8711. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8712. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8713. PHY84833_CMD_CLEAR_COMPLETE);
  8714. }
  8715. if (initialize)
  8716. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8717. else
  8718. bnx2x_save_848xx_spirom_version(phy, params);
  8719. /* 84833 PHY has a better feature and doesn't need to support this. */
  8720. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8721. cms_enable = REG_RD(bp, params->shmem_base +
  8722. offsetof(struct shmem_region,
  8723. dev_info.port_hw_config[params->port].default_cfg)) &
  8724. PORT_HW_CFG_ENABLE_CMS_MASK;
  8725. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8727. if (cms_enable)
  8728. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8729. else
  8730. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8731. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8732. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8733. }
  8734. return rc;
  8735. }
  8736. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8737. struct link_params *params,
  8738. struct link_vars *vars)
  8739. {
  8740. struct bnx2x *bp = params->bp;
  8741. u16 val, val1, val2;
  8742. u8 link_up = 0;
  8743. /* Check 10G-BaseT link status */
  8744. /* Check PMD signal ok */
  8745. bnx2x_cl45_read(bp, phy,
  8746. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8747. bnx2x_cl45_read(bp, phy,
  8748. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8749. &val2);
  8750. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8751. /* Check link 10G */
  8752. if (val2 & (1<<11)) {
  8753. vars->line_speed = SPEED_10000;
  8754. vars->duplex = DUPLEX_FULL;
  8755. link_up = 1;
  8756. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8757. } else { /* Check Legacy speed link */
  8758. u16 legacy_status, legacy_speed;
  8759. /* Enable expansion register 0x42 (Operation mode status) */
  8760. bnx2x_cl45_write(bp, phy,
  8761. MDIO_AN_DEVAD,
  8762. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8763. /* Get legacy speed operation status */
  8764. bnx2x_cl45_read(bp, phy,
  8765. MDIO_AN_DEVAD,
  8766. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8767. &legacy_status);
  8768. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8769. legacy_status);
  8770. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8771. if (link_up) {
  8772. legacy_speed = (legacy_status & (3<<9));
  8773. if (legacy_speed == (0<<9))
  8774. vars->line_speed = SPEED_10;
  8775. else if (legacy_speed == (1<<9))
  8776. vars->line_speed = SPEED_100;
  8777. else if (legacy_speed == (2<<9))
  8778. vars->line_speed = SPEED_1000;
  8779. else /* Should not happen */
  8780. vars->line_speed = 0;
  8781. if (legacy_status & (1<<8))
  8782. vars->duplex = DUPLEX_FULL;
  8783. else
  8784. vars->duplex = DUPLEX_HALF;
  8785. DP(NETIF_MSG_LINK,
  8786. "Link is up in %dMbps, is_duplex_full= %d\n",
  8787. vars->line_speed,
  8788. (vars->duplex == DUPLEX_FULL));
  8789. /* Check legacy speed AN resolution */
  8790. bnx2x_cl45_read(bp, phy,
  8791. MDIO_AN_DEVAD,
  8792. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8793. &val);
  8794. if (val & (1<<5))
  8795. vars->link_status |=
  8796. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8797. bnx2x_cl45_read(bp, phy,
  8798. MDIO_AN_DEVAD,
  8799. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8800. &val);
  8801. if ((val & (1<<0)) == 0)
  8802. vars->link_status |=
  8803. LINK_STATUS_PARALLEL_DETECTION_USED;
  8804. }
  8805. }
  8806. if (link_up) {
  8807. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8808. vars->line_speed);
  8809. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8810. }
  8811. return link_up;
  8812. }
  8813. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8814. {
  8815. int status = 0;
  8816. u32 spirom_ver;
  8817. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8818. status = bnx2x_format_ver(spirom_ver, str, len);
  8819. return status;
  8820. }
  8821. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8822. struct link_params *params)
  8823. {
  8824. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8825. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8826. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8827. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8828. }
  8829. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8830. struct link_params *params)
  8831. {
  8832. bnx2x_cl45_write(params->bp, phy,
  8833. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8834. bnx2x_cl45_write(params->bp, phy,
  8835. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8836. }
  8837. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8838. struct link_params *params)
  8839. {
  8840. struct bnx2x *bp = params->bp;
  8841. u8 port;
  8842. u16 val16;
  8843. if (!(CHIP_IS_E1(bp)))
  8844. port = BP_PATH(bp);
  8845. else
  8846. port = params->port;
  8847. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8848. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8849. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8850. port);
  8851. } else {
  8852. bnx2x_cl45_read(bp, phy,
  8853. MDIO_CTL_DEVAD,
  8854. 0x400f, &val16);
  8855. bnx2x_cl45_write(bp, phy,
  8856. MDIO_PMA_DEVAD,
  8857. MDIO_PMA_REG_CTRL, 0x800);
  8858. }
  8859. }
  8860. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8861. struct link_params *params, u8 mode)
  8862. {
  8863. struct bnx2x *bp = params->bp;
  8864. u16 val;
  8865. u8 port;
  8866. if (!(CHIP_IS_E1(bp)))
  8867. port = BP_PATH(bp);
  8868. else
  8869. port = params->port;
  8870. switch (mode) {
  8871. case LED_MODE_OFF:
  8872. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8873. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8874. SHARED_HW_CFG_LED_EXTPHY1) {
  8875. /* Set LED masks */
  8876. bnx2x_cl45_write(bp, phy,
  8877. MDIO_PMA_DEVAD,
  8878. MDIO_PMA_REG_8481_LED1_MASK,
  8879. 0x0);
  8880. bnx2x_cl45_write(bp, phy,
  8881. MDIO_PMA_DEVAD,
  8882. MDIO_PMA_REG_8481_LED2_MASK,
  8883. 0x0);
  8884. bnx2x_cl45_write(bp, phy,
  8885. MDIO_PMA_DEVAD,
  8886. MDIO_PMA_REG_8481_LED3_MASK,
  8887. 0x0);
  8888. bnx2x_cl45_write(bp, phy,
  8889. MDIO_PMA_DEVAD,
  8890. MDIO_PMA_REG_8481_LED5_MASK,
  8891. 0x0);
  8892. } else {
  8893. bnx2x_cl45_write(bp, phy,
  8894. MDIO_PMA_DEVAD,
  8895. MDIO_PMA_REG_8481_LED1_MASK,
  8896. 0x0);
  8897. }
  8898. break;
  8899. case LED_MODE_FRONT_PANEL_OFF:
  8900. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8901. port);
  8902. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8903. SHARED_HW_CFG_LED_EXTPHY1) {
  8904. /* Set LED masks */
  8905. bnx2x_cl45_write(bp, phy,
  8906. MDIO_PMA_DEVAD,
  8907. MDIO_PMA_REG_8481_LED1_MASK,
  8908. 0x0);
  8909. bnx2x_cl45_write(bp, phy,
  8910. MDIO_PMA_DEVAD,
  8911. MDIO_PMA_REG_8481_LED2_MASK,
  8912. 0x0);
  8913. bnx2x_cl45_write(bp, phy,
  8914. MDIO_PMA_DEVAD,
  8915. MDIO_PMA_REG_8481_LED3_MASK,
  8916. 0x0);
  8917. bnx2x_cl45_write(bp, phy,
  8918. MDIO_PMA_DEVAD,
  8919. MDIO_PMA_REG_8481_LED5_MASK,
  8920. 0x20);
  8921. } else {
  8922. bnx2x_cl45_write(bp, phy,
  8923. MDIO_PMA_DEVAD,
  8924. MDIO_PMA_REG_8481_LED1_MASK,
  8925. 0x0);
  8926. }
  8927. break;
  8928. case LED_MODE_ON:
  8929. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8930. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8931. SHARED_HW_CFG_LED_EXTPHY1) {
  8932. /* Set control reg */
  8933. bnx2x_cl45_read(bp, phy,
  8934. MDIO_PMA_DEVAD,
  8935. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8936. &val);
  8937. val &= 0x8000;
  8938. val |= 0x2492;
  8939. bnx2x_cl45_write(bp, phy,
  8940. MDIO_PMA_DEVAD,
  8941. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8942. val);
  8943. /* Set LED masks */
  8944. bnx2x_cl45_write(bp, phy,
  8945. MDIO_PMA_DEVAD,
  8946. MDIO_PMA_REG_8481_LED1_MASK,
  8947. 0x0);
  8948. bnx2x_cl45_write(bp, phy,
  8949. MDIO_PMA_DEVAD,
  8950. MDIO_PMA_REG_8481_LED2_MASK,
  8951. 0x20);
  8952. bnx2x_cl45_write(bp, phy,
  8953. MDIO_PMA_DEVAD,
  8954. MDIO_PMA_REG_8481_LED3_MASK,
  8955. 0x20);
  8956. bnx2x_cl45_write(bp, phy,
  8957. MDIO_PMA_DEVAD,
  8958. MDIO_PMA_REG_8481_LED5_MASK,
  8959. 0x0);
  8960. } else {
  8961. bnx2x_cl45_write(bp, phy,
  8962. MDIO_PMA_DEVAD,
  8963. MDIO_PMA_REG_8481_LED1_MASK,
  8964. 0x20);
  8965. }
  8966. break;
  8967. case LED_MODE_OPER:
  8968. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8969. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8970. SHARED_HW_CFG_LED_EXTPHY1) {
  8971. /* Set control reg */
  8972. bnx2x_cl45_read(bp, phy,
  8973. MDIO_PMA_DEVAD,
  8974. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8975. &val);
  8976. if (!((val &
  8977. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8978. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8979. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8980. bnx2x_cl45_write(bp, phy,
  8981. MDIO_PMA_DEVAD,
  8982. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8983. 0xa492);
  8984. }
  8985. /* Set LED masks */
  8986. bnx2x_cl45_write(bp, phy,
  8987. MDIO_PMA_DEVAD,
  8988. MDIO_PMA_REG_8481_LED1_MASK,
  8989. 0x10);
  8990. bnx2x_cl45_write(bp, phy,
  8991. MDIO_PMA_DEVAD,
  8992. MDIO_PMA_REG_8481_LED2_MASK,
  8993. 0x80);
  8994. bnx2x_cl45_write(bp, phy,
  8995. MDIO_PMA_DEVAD,
  8996. MDIO_PMA_REG_8481_LED3_MASK,
  8997. 0x98);
  8998. bnx2x_cl45_write(bp, phy,
  8999. MDIO_PMA_DEVAD,
  9000. MDIO_PMA_REG_8481_LED5_MASK,
  9001. 0x40);
  9002. } else {
  9003. bnx2x_cl45_write(bp, phy,
  9004. MDIO_PMA_DEVAD,
  9005. MDIO_PMA_REG_8481_LED1_MASK,
  9006. 0x80);
  9007. /* Tell LED3 to blink on source */
  9008. bnx2x_cl45_read(bp, phy,
  9009. MDIO_PMA_DEVAD,
  9010. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9011. &val);
  9012. val &= ~(7<<6);
  9013. val |= (1<<6); /* A83B[8:6]= 1 */
  9014. bnx2x_cl45_write(bp, phy,
  9015. MDIO_PMA_DEVAD,
  9016. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9017. val);
  9018. }
  9019. break;
  9020. }
  9021. /*
  9022. * This is a workaround for E3+84833 until autoneg
  9023. * restart is fixed in f/w
  9024. */
  9025. if (CHIP_IS_E3(bp)) {
  9026. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9027. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9028. }
  9029. }
  9030. /******************************************************************/
  9031. /* 54618SE PHY SECTION */
  9032. /******************************************************************/
  9033. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9034. struct link_params *params,
  9035. struct link_vars *vars)
  9036. {
  9037. struct bnx2x *bp = params->bp;
  9038. u8 port;
  9039. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9040. u32 cfg_pin;
  9041. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9042. usleep_range(1000, 1000);
  9043. /* This works with E3 only, no need to check the chip
  9044. before determining the port. */
  9045. port = params->port;
  9046. cfg_pin = (REG_RD(bp, params->shmem_base +
  9047. offsetof(struct shmem_region,
  9048. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9049. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9050. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9051. /* Drive pin high to bring the GPHY out of reset. */
  9052. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9053. /* wait for GPHY to reset */
  9054. msleep(50);
  9055. /* reset phy */
  9056. bnx2x_cl22_write(bp, phy,
  9057. MDIO_PMA_REG_CTRL, 0x8000);
  9058. bnx2x_wait_reset_complete(bp, phy, params);
  9059. /*wait for GPHY to reset */
  9060. msleep(50);
  9061. /* Configure LED4: set to INTR (0x6). */
  9062. /* Accessing shadow register 0xe. */
  9063. bnx2x_cl22_write(bp, phy,
  9064. MDIO_REG_GPHY_SHADOW,
  9065. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9066. bnx2x_cl22_read(bp, phy,
  9067. MDIO_REG_GPHY_SHADOW,
  9068. &temp);
  9069. temp &= ~(0xf << 4);
  9070. temp |= (0x6 << 4);
  9071. bnx2x_cl22_write(bp, phy,
  9072. MDIO_REG_GPHY_SHADOW,
  9073. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9074. /* Configure INTR based on link status change. */
  9075. bnx2x_cl22_write(bp, phy,
  9076. MDIO_REG_INTR_MASK,
  9077. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9078. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9079. bnx2x_cl22_write(bp, phy,
  9080. MDIO_REG_GPHY_SHADOW,
  9081. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9082. bnx2x_cl22_read(bp, phy,
  9083. MDIO_REG_GPHY_SHADOW,
  9084. &temp);
  9085. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9086. bnx2x_cl22_write(bp, phy,
  9087. MDIO_REG_GPHY_SHADOW,
  9088. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9089. /* Set up fc */
  9090. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9091. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9092. fc_val = 0;
  9093. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9094. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9095. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9096. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9098. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9099. /* read all advertisement */
  9100. bnx2x_cl22_read(bp, phy,
  9101. 0x09,
  9102. &an_1000_val);
  9103. bnx2x_cl22_read(bp, phy,
  9104. 0x04,
  9105. &an_10_100_val);
  9106. bnx2x_cl22_read(bp, phy,
  9107. MDIO_PMA_REG_CTRL,
  9108. &autoneg_val);
  9109. /* Disable forced speed */
  9110. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9111. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9112. (1<<11));
  9113. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9114. (phy->speed_cap_mask &
  9115. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9116. (phy->req_line_speed == SPEED_1000)) {
  9117. an_1000_val |= (1<<8);
  9118. autoneg_val |= (1<<9 | 1<<12);
  9119. if (phy->req_duplex == DUPLEX_FULL)
  9120. an_1000_val |= (1<<9);
  9121. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9122. } else
  9123. an_1000_val &= ~((1<<8) | (1<<9));
  9124. bnx2x_cl22_write(bp, phy,
  9125. 0x09,
  9126. an_1000_val);
  9127. bnx2x_cl22_read(bp, phy,
  9128. 0x09,
  9129. &an_1000_val);
  9130. /* set 100 speed advertisement */
  9131. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9132. (phy->speed_cap_mask &
  9133. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9134. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9135. an_10_100_val |= (1<<7);
  9136. /* Enable autoneg and restart autoneg for legacy speeds */
  9137. autoneg_val |= (1<<9 | 1<<12);
  9138. if (phy->req_duplex == DUPLEX_FULL)
  9139. an_10_100_val |= (1<<8);
  9140. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9141. }
  9142. /* set 10 speed advertisement */
  9143. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9144. (phy->speed_cap_mask &
  9145. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9146. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9147. an_10_100_val |= (1<<5);
  9148. autoneg_val |= (1<<9 | 1<<12);
  9149. if (phy->req_duplex == DUPLEX_FULL)
  9150. an_10_100_val |= (1<<6);
  9151. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9152. }
  9153. /* Only 10/100 are allowed to work in FORCE mode */
  9154. if (phy->req_line_speed == SPEED_100) {
  9155. autoneg_val |= (1<<13);
  9156. /* Enabled AUTO-MDIX when autoneg is disabled */
  9157. bnx2x_cl22_write(bp, phy,
  9158. 0x18,
  9159. (1<<15 | 1<<9 | 7<<0));
  9160. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9161. }
  9162. if (phy->req_line_speed == SPEED_10) {
  9163. /* Enabled AUTO-MDIX when autoneg is disabled */
  9164. bnx2x_cl22_write(bp, phy,
  9165. 0x18,
  9166. (1<<15 | 1<<9 | 7<<0));
  9167. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9168. }
  9169. /* Check if we should turn on Auto-GrEEEn */
  9170. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9171. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9172. if (params->feature_config_flags &
  9173. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9174. temp = 6;
  9175. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9176. } else {
  9177. temp = 0;
  9178. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9179. }
  9180. bnx2x_cl22_write(bp, phy,
  9181. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9182. bnx2x_cl22_write(bp, phy,
  9183. MDIO_REG_GPHY_CL45_DATA_REG,
  9184. MDIO_REG_GPHY_EEE_ADV);
  9185. bnx2x_cl22_write(bp, phy,
  9186. MDIO_REG_GPHY_CL45_ADDR_REG,
  9187. (0x1 << 14) | MDIO_AN_DEVAD);
  9188. bnx2x_cl22_write(bp, phy,
  9189. MDIO_REG_GPHY_CL45_DATA_REG,
  9190. temp);
  9191. }
  9192. bnx2x_cl22_write(bp, phy,
  9193. 0x04,
  9194. an_10_100_val | fc_val);
  9195. if (phy->req_duplex == DUPLEX_FULL)
  9196. autoneg_val |= (1<<8);
  9197. bnx2x_cl22_write(bp, phy,
  9198. MDIO_PMA_REG_CTRL, autoneg_val);
  9199. return 0;
  9200. }
  9201. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9202. struct link_params *params, u8 mode)
  9203. {
  9204. struct bnx2x *bp = params->bp;
  9205. u16 temp;
  9206. bnx2x_cl22_write(bp, phy,
  9207. MDIO_REG_GPHY_SHADOW,
  9208. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9209. bnx2x_cl22_read(bp, phy,
  9210. MDIO_REG_GPHY_SHADOW,
  9211. &temp);
  9212. temp &= 0xff00;
  9213. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9214. switch (mode) {
  9215. case LED_MODE_FRONT_PANEL_OFF:
  9216. case LED_MODE_OFF:
  9217. temp |= 0x00ee;
  9218. break;
  9219. case LED_MODE_OPER:
  9220. temp |= 0x0001;
  9221. break;
  9222. case LED_MODE_ON:
  9223. temp |= 0x00ff;
  9224. break;
  9225. default:
  9226. break;
  9227. }
  9228. bnx2x_cl22_write(bp, phy,
  9229. MDIO_REG_GPHY_SHADOW,
  9230. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9231. return;
  9232. }
  9233. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9234. struct link_params *params)
  9235. {
  9236. struct bnx2x *bp = params->bp;
  9237. u32 cfg_pin;
  9238. u8 port;
  9239. /*
  9240. * In case of no EPIO routed to reset the GPHY, put it
  9241. * in low power mode.
  9242. */
  9243. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9244. /*
  9245. * This works with E3 only, no need to check the chip
  9246. * before determining the port.
  9247. */
  9248. port = params->port;
  9249. cfg_pin = (REG_RD(bp, params->shmem_base +
  9250. offsetof(struct shmem_region,
  9251. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9252. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9253. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9254. /* Drive pin low to put GPHY in reset. */
  9255. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9256. }
  9257. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9258. struct link_params *params,
  9259. struct link_vars *vars)
  9260. {
  9261. struct bnx2x *bp = params->bp;
  9262. u16 val;
  9263. u8 link_up = 0;
  9264. u16 legacy_status, legacy_speed;
  9265. /* Get speed operation status */
  9266. bnx2x_cl22_read(bp, phy,
  9267. 0x19,
  9268. &legacy_status);
  9269. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9270. /* Read status to clear the PHY interrupt. */
  9271. bnx2x_cl22_read(bp, phy,
  9272. MDIO_REG_INTR_STATUS,
  9273. &val);
  9274. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9275. if (link_up) {
  9276. legacy_speed = (legacy_status & (7<<8));
  9277. if (legacy_speed == (7<<8)) {
  9278. vars->line_speed = SPEED_1000;
  9279. vars->duplex = DUPLEX_FULL;
  9280. } else if (legacy_speed == (6<<8)) {
  9281. vars->line_speed = SPEED_1000;
  9282. vars->duplex = DUPLEX_HALF;
  9283. } else if (legacy_speed == (5<<8)) {
  9284. vars->line_speed = SPEED_100;
  9285. vars->duplex = DUPLEX_FULL;
  9286. }
  9287. /* Omitting 100Base-T4 for now */
  9288. else if (legacy_speed == (3<<8)) {
  9289. vars->line_speed = SPEED_100;
  9290. vars->duplex = DUPLEX_HALF;
  9291. } else if (legacy_speed == (2<<8)) {
  9292. vars->line_speed = SPEED_10;
  9293. vars->duplex = DUPLEX_FULL;
  9294. } else if (legacy_speed == (1<<8)) {
  9295. vars->line_speed = SPEED_10;
  9296. vars->duplex = DUPLEX_HALF;
  9297. } else /* Should not happen */
  9298. vars->line_speed = 0;
  9299. DP(NETIF_MSG_LINK,
  9300. "Link is up in %dMbps, is_duplex_full= %d\n",
  9301. vars->line_speed,
  9302. (vars->duplex == DUPLEX_FULL));
  9303. /* Check legacy speed AN resolution */
  9304. bnx2x_cl22_read(bp, phy,
  9305. 0x01,
  9306. &val);
  9307. if (val & (1<<5))
  9308. vars->link_status |=
  9309. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9310. bnx2x_cl22_read(bp, phy,
  9311. 0x06,
  9312. &val);
  9313. if ((val & (1<<0)) == 0)
  9314. vars->link_status |=
  9315. LINK_STATUS_PARALLEL_DETECTION_USED;
  9316. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9317. vars->line_speed);
  9318. /* Report whether EEE is resolved. */
  9319. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9320. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9321. if (vars->link_status &
  9322. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9323. val = 0;
  9324. else {
  9325. bnx2x_cl22_write(bp, phy,
  9326. MDIO_REG_GPHY_CL45_ADDR_REG,
  9327. MDIO_AN_DEVAD);
  9328. bnx2x_cl22_write(bp, phy,
  9329. MDIO_REG_GPHY_CL45_DATA_REG,
  9330. MDIO_REG_GPHY_EEE_RESOLVED);
  9331. bnx2x_cl22_write(bp, phy,
  9332. MDIO_REG_GPHY_CL45_ADDR_REG,
  9333. (0x1 << 14) | MDIO_AN_DEVAD);
  9334. bnx2x_cl22_read(bp, phy,
  9335. MDIO_REG_GPHY_CL45_DATA_REG,
  9336. &val);
  9337. }
  9338. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9339. }
  9340. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9341. }
  9342. return link_up;
  9343. }
  9344. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9345. struct link_params *params)
  9346. {
  9347. struct bnx2x *bp = params->bp;
  9348. u16 val;
  9349. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9350. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9351. /* Enable master/slave manual mmode and set to master */
  9352. /* mii write 9 [bits set 11 12] */
  9353. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9354. /* forced 1G and disable autoneg */
  9355. /* set val [mii read 0] */
  9356. /* set val [expr $val & [bits clear 6 12 13]] */
  9357. /* set val [expr $val | [bits set 6 8]] */
  9358. /* mii write 0 $val */
  9359. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9360. val &= ~((1<<6) | (1<<12) | (1<<13));
  9361. val |= (1<<6) | (1<<8);
  9362. bnx2x_cl22_write(bp, phy, 0x00, val);
  9363. /* Set external loopback and Tx using 6dB coding */
  9364. /* mii write 0x18 7 */
  9365. /* set val [mii read 0x18] */
  9366. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9367. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9368. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9369. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9370. /* This register opens the gate for the UMAC despite its name */
  9371. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9372. /*
  9373. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9374. * length used by the MAC receive logic to check frames.
  9375. */
  9376. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9377. }
  9378. /******************************************************************/
  9379. /* SFX7101 PHY SECTION */
  9380. /******************************************************************/
  9381. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9382. struct link_params *params)
  9383. {
  9384. struct bnx2x *bp = params->bp;
  9385. /* SFX7101_XGXS_TEST1 */
  9386. bnx2x_cl45_write(bp, phy,
  9387. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9388. }
  9389. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9390. struct link_params *params,
  9391. struct link_vars *vars)
  9392. {
  9393. u16 fw_ver1, fw_ver2, val;
  9394. struct bnx2x *bp = params->bp;
  9395. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9396. /* Restore normal power mode*/
  9397. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9398. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9399. /* HW reset */
  9400. bnx2x_ext_phy_hw_reset(bp, params->port);
  9401. bnx2x_wait_reset_complete(bp, phy, params);
  9402. bnx2x_cl45_write(bp, phy,
  9403. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9404. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9405. bnx2x_cl45_write(bp, phy,
  9406. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9407. bnx2x_ext_phy_set_pause(params, phy, vars);
  9408. /* Restart autoneg */
  9409. bnx2x_cl45_read(bp, phy,
  9410. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9411. val |= 0x200;
  9412. bnx2x_cl45_write(bp, phy,
  9413. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9414. /* Save spirom version */
  9415. bnx2x_cl45_read(bp, phy,
  9416. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9417. bnx2x_cl45_read(bp, phy,
  9418. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9419. bnx2x_save_spirom_version(bp, params->port,
  9420. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9421. return 0;
  9422. }
  9423. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9424. struct link_params *params,
  9425. struct link_vars *vars)
  9426. {
  9427. struct bnx2x *bp = params->bp;
  9428. u8 link_up;
  9429. u16 val1, val2;
  9430. bnx2x_cl45_read(bp, phy,
  9431. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9432. bnx2x_cl45_read(bp, phy,
  9433. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9434. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9435. val2, val1);
  9436. bnx2x_cl45_read(bp, phy,
  9437. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9438. bnx2x_cl45_read(bp, phy,
  9439. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9440. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9441. val2, val1);
  9442. link_up = ((val1 & 4) == 4);
  9443. /* if link is up print the AN outcome of the SFX7101 PHY */
  9444. if (link_up) {
  9445. bnx2x_cl45_read(bp, phy,
  9446. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9447. &val2);
  9448. vars->line_speed = SPEED_10000;
  9449. vars->duplex = DUPLEX_FULL;
  9450. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9451. val2, (val2 & (1<<14)));
  9452. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9453. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9454. }
  9455. return link_up;
  9456. }
  9457. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9458. {
  9459. if (*len < 5)
  9460. return -EINVAL;
  9461. str[0] = (spirom_ver & 0xFF);
  9462. str[1] = (spirom_ver & 0xFF00) >> 8;
  9463. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9464. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9465. str[4] = '\0';
  9466. *len -= 5;
  9467. return 0;
  9468. }
  9469. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9470. {
  9471. u16 val, cnt;
  9472. bnx2x_cl45_read(bp, phy,
  9473. MDIO_PMA_DEVAD,
  9474. MDIO_PMA_REG_7101_RESET, &val);
  9475. for (cnt = 0; cnt < 10; cnt++) {
  9476. msleep(50);
  9477. /* Writes a self-clearing reset */
  9478. bnx2x_cl45_write(bp, phy,
  9479. MDIO_PMA_DEVAD,
  9480. MDIO_PMA_REG_7101_RESET,
  9481. (val | (1<<15)));
  9482. /* Wait for clear */
  9483. bnx2x_cl45_read(bp, phy,
  9484. MDIO_PMA_DEVAD,
  9485. MDIO_PMA_REG_7101_RESET, &val);
  9486. if ((val & (1<<15)) == 0)
  9487. break;
  9488. }
  9489. }
  9490. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9491. struct link_params *params) {
  9492. /* Low power mode is controlled by GPIO 2 */
  9493. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9494. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9495. /* The PHY reset is controlled by GPIO 1 */
  9496. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9497. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9498. }
  9499. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9500. struct link_params *params, u8 mode)
  9501. {
  9502. u16 val = 0;
  9503. struct bnx2x *bp = params->bp;
  9504. switch (mode) {
  9505. case LED_MODE_FRONT_PANEL_OFF:
  9506. case LED_MODE_OFF:
  9507. val = 2;
  9508. break;
  9509. case LED_MODE_ON:
  9510. val = 1;
  9511. break;
  9512. case LED_MODE_OPER:
  9513. val = 0;
  9514. break;
  9515. }
  9516. bnx2x_cl45_write(bp, phy,
  9517. MDIO_PMA_DEVAD,
  9518. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9519. val);
  9520. }
  9521. /******************************************************************/
  9522. /* STATIC PHY DECLARATION */
  9523. /******************************************************************/
  9524. static struct bnx2x_phy phy_null = {
  9525. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9526. .addr = 0,
  9527. .def_md_devad = 0,
  9528. .flags = FLAGS_INIT_XGXS_FIRST,
  9529. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9530. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9531. .mdio_ctrl = 0,
  9532. .supported = 0,
  9533. .media_type = ETH_PHY_NOT_PRESENT,
  9534. .ver_addr = 0,
  9535. .req_flow_ctrl = 0,
  9536. .req_line_speed = 0,
  9537. .speed_cap_mask = 0,
  9538. .req_duplex = 0,
  9539. .rsrv = 0,
  9540. .config_init = (config_init_t)NULL,
  9541. .read_status = (read_status_t)NULL,
  9542. .link_reset = (link_reset_t)NULL,
  9543. .config_loopback = (config_loopback_t)NULL,
  9544. .format_fw_ver = (format_fw_ver_t)NULL,
  9545. .hw_reset = (hw_reset_t)NULL,
  9546. .set_link_led = (set_link_led_t)NULL,
  9547. .phy_specific_func = (phy_specific_func_t)NULL
  9548. };
  9549. static struct bnx2x_phy phy_serdes = {
  9550. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9551. .addr = 0xff,
  9552. .def_md_devad = 0,
  9553. .flags = 0,
  9554. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9555. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9556. .mdio_ctrl = 0,
  9557. .supported = (SUPPORTED_10baseT_Half |
  9558. SUPPORTED_10baseT_Full |
  9559. SUPPORTED_100baseT_Half |
  9560. SUPPORTED_100baseT_Full |
  9561. SUPPORTED_1000baseT_Full |
  9562. SUPPORTED_2500baseX_Full |
  9563. SUPPORTED_TP |
  9564. SUPPORTED_Autoneg |
  9565. SUPPORTED_Pause |
  9566. SUPPORTED_Asym_Pause),
  9567. .media_type = ETH_PHY_BASE_T,
  9568. .ver_addr = 0,
  9569. .req_flow_ctrl = 0,
  9570. .req_line_speed = 0,
  9571. .speed_cap_mask = 0,
  9572. .req_duplex = 0,
  9573. .rsrv = 0,
  9574. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9575. .read_status = (read_status_t)bnx2x_link_settings_status,
  9576. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9577. .config_loopback = (config_loopback_t)NULL,
  9578. .format_fw_ver = (format_fw_ver_t)NULL,
  9579. .hw_reset = (hw_reset_t)NULL,
  9580. .set_link_led = (set_link_led_t)NULL,
  9581. .phy_specific_func = (phy_specific_func_t)NULL
  9582. };
  9583. static struct bnx2x_phy phy_xgxs = {
  9584. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9585. .addr = 0xff,
  9586. .def_md_devad = 0,
  9587. .flags = 0,
  9588. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9589. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9590. .mdio_ctrl = 0,
  9591. .supported = (SUPPORTED_10baseT_Half |
  9592. SUPPORTED_10baseT_Full |
  9593. SUPPORTED_100baseT_Half |
  9594. SUPPORTED_100baseT_Full |
  9595. SUPPORTED_1000baseT_Full |
  9596. SUPPORTED_2500baseX_Full |
  9597. SUPPORTED_10000baseT_Full |
  9598. SUPPORTED_FIBRE |
  9599. SUPPORTED_Autoneg |
  9600. SUPPORTED_Pause |
  9601. SUPPORTED_Asym_Pause),
  9602. .media_type = ETH_PHY_CX4,
  9603. .ver_addr = 0,
  9604. .req_flow_ctrl = 0,
  9605. .req_line_speed = 0,
  9606. .speed_cap_mask = 0,
  9607. .req_duplex = 0,
  9608. .rsrv = 0,
  9609. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9610. .read_status = (read_status_t)bnx2x_link_settings_status,
  9611. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9612. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9613. .format_fw_ver = (format_fw_ver_t)NULL,
  9614. .hw_reset = (hw_reset_t)NULL,
  9615. .set_link_led = (set_link_led_t)NULL,
  9616. .phy_specific_func = (phy_specific_func_t)NULL
  9617. };
  9618. static struct bnx2x_phy phy_warpcore = {
  9619. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9620. .addr = 0xff,
  9621. .def_md_devad = 0,
  9622. .flags = FLAGS_HW_LOCK_REQUIRED,
  9623. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9624. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9625. .mdio_ctrl = 0,
  9626. .supported = (SUPPORTED_10baseT_Half |
  9627. SUPPORTED_10baseT_Full |
  9628. SUPPORTED_100baseT_Half |
  9629. SUPPORTED_100baseT_Full |
  9630. SUPPORTED_1000baseT_Full |
  9631. SUPPORTED_10000baseT_Full |
  9632. SUPPORTED_20000baseKR2_Full |
  9633. SUPPORTED_20000baseMLD2_Full |
  9634. SUPPORTED_FIBRE |
  9635. SUPPORTED_Autoneg |
  9636. SUPPORTED_Pause |
  9637. SUPPORTED_Asym_Pause),
  9638. .media_type = ETH_PHY_UNSPECIFIED,
  9639. .ver_addr = 0,
  9640. .req_flow_ctrl = 0,
  9641. .req_line_speed = 0,
  9642. .speed_cap_mask = 0,
  9643. /* req_duplex = */0,
  9644. /* rsrv = */0,
  9645. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9646. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9647. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9648. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9649. .format_fw_ver = (format_fw_ver_t)NULL,
  9650. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9651. .set_link_led = (set_link_led_t)NULL,
  9652. .phy_specific_func = (phy_specific_func_t)NULL
  9653. };
  9654. static struct bnx2x_phy phy_7101 = {
  9655. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9656. .addr = 0xff,
  9657. .def_md_devad = 0,
  9658. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9659. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9660. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9661. .mdio_ctrl = 0,
  9662. .supported = (SUPPORTED_10000baseT_Full |
  9663. SUPPORTED_TP |
  9664. SUPPORTED_Autoneg |
  9665. SUPPORTED_Pause |
  9666. SUPPORTED_Asym_Pause),
  9667. .media_type = ETH_PHY_BASE_T,
  9668. .ver_addr = 0,
  9669. .req_flow_ctrl = 0,
  9670. .req_line_speed = 0,
  9671. .speed_cap_mask = 0,
  9672. .req_duplex = 0,
  9673. .rsrv = 0,
  9674. .config_init = (config_init_t)bnx2x_7101_config_init,
  9675. .read_status = (read_status_t)bnx2x_7101_read_status,
  9676. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9677. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9678. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9679. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9680. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9681. .phy_specific_func = (phy_specific_func_t)NULL
  9682. };
  9683. static struct bnx2x_phy phy_8073 = {
  9684. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9685. .addr = 0xff,
  9686. .def_md_devad = 0,
  9687. .flags = FLAGS_HW_LOCK_REQUIRED,
  9688. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9689. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9690. .mdio_ctrl = 0,
  9691. .supported = (SUPPORTED_10000baseT_Full |
  9692. SUPPORTED_2500baseX_Full |
  9693. SUPPORTED_1000baseT_Full |
  9694. SUPPORTED_FIBRE |
  9695. SUPPORTED_Autoneg |
  9696. SUPPORTED_Pause |
  9697. SUPPORTED_Asym_Pause),
  9698. .media_type = ETH_PHY_KR,
  9699. .ver_addr = 0,
  9700. .req_flow_ctrl = 0,
  9701. .req_line_speed = 0,
  9702. .speed_cap_mask = 0,
  9703. .req_duplex = 0,
  9704. .rsrv = 0,
  9705. .config_init = (config_init_t)bnx2x_8073_config_init,
  9706. .read_status = (read_status_t)bnx2x_8073_read_status,
  9707. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9708. .config_loopback = (config_loopback_t)NULL,
  9709. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9710. .hw_reset = (hw_reset_t)NULL,
  9711. .set_link_led = (set_link_led_t)NULL,
  9712. .phy_specific_func = (phy_specific_func_t)NULL
  9713. };
  9714. static struct bnx2x_phy phy_8705 = {
  9715. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9716. .addr = 0xff,
  9717. .def_md_devad = 0,
  9718. .flags = FLAGS_INIT_XGXS_FIRST,
  9719. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9720. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9721. .mdio_ctrl = 0,
  9722. .supported = (SUPPORTED_10000baseT_Full |
  9723. SUPPORTED_FIBRE |
  9724. SUPPORTED_Pause |
  9725. SUPPORTED_Asym_Pause),
  9726. .media_type = ETH_PHY_XFP_FIBER,
  9727. .ver_addr = 0,
  9728. .req_flow_ctrl = 0,
  9729. .req_line_speed = 0,
  9730. .speed_cap_mask = 0,
  9731. .req_duplex = 0,
  9732. .rsrv = 0,
  9733. .config_init = (config_init_t)bnx2x_8705_config_init,
  9734. .read_status = (read_status_t)bnx2x_8705_read_status,
  9735. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9736. .config_loopback = (config_loopback_t)NULL,
  9737. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9738. .hw_reset = (hw_reset_t)NULL,
  9739. .set_link_led = (set_link_led_t)NULL,
  9740. .phy_specific_func = (phy_specific_func_t)NULL
  9741. };
  9742. static struct bnx2x_phy phy_8706 = {
  9743. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9744. .addr = 0xff,
  9745. .def_md_devad = 0,
  9746. .flags = FLAGS_INIT_XGXS_FIRST,
  9747. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9748. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9749. .mdio_ctrl = 0,
  9750. .supported = (SUPPORTED_10000baseT_Full |
  9751. SUPPORTED_1000baseT_Full |
  9752. SUPPORTED_FIBRE |
  9753. SUPPORTED_Pause |
  9754. SUPPORTED_Asym_Pause),
  9755. .media_type = ETH_PHY_SFP_FIBER,
  9756. .ver_addr = 0,
  9757. .req_flow_ctrl = 0,
  9758. .req_line_speed = 0,
  9759. .speed_cap_mask = 0,
  9760. .req_duplex = 0,
  9761. .rsrv = 0,
  9762. .config_init = (config_init_t)bnx2x_8706_config_init,
  9763. .read_status = (read_status_t)bnx2x_8706_read_status,
  9764. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9765. .config_loopback = (config_loopback_t)NULL,
  9766. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9767. .hw_reset = (hw_reset_t)NULL,
  9768. .set_link_led = (set_link_led_t)NULL,
  9769. .phy_specific_func = (phy_specific_func_t)NULL
  9770. };
  9771. static struct bnx2x_phy phy_8726 = {
  9772. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9773. .addr = 0xff,
  9774. .def_md_devad = 0,
  9775. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9776. FLAGS_INIT_XGXS_FIRST),
  9777. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9778. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9779. .mdio_ctrl = 0,
  9780. .supported = (SUPPORTED_10000baseT_Full |
  9781. SUPPORTED_1000baseT_Full |
  9782. SUPPORTED_Autoneg |
  9783. SUPPORTED_FIBRE |
  9784. SUPPORTED_Pause |
  9785. SUPPORTED_Asym_Pause),
  9786. .media_type = ETH_PHY_NOT_PRESENT,
  9787. .ver_addr = 0,
  9788. .req_flow_ctrl = 0,
  9789. .req_line_speed = 0,
  9790. .speed_cap_mask = 0,
  9791. .req_duplex = 0,
  9792. .rsrv = 0,
  9793. .config_init = (config_init_t)bnx2x_8726_config_init,
  9794. .read_status = (read_status_t)bnx2x_8726_read_status,
  9795. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9796. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9797. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9798. .hw_reset = (hw_reset_t)NULL,
  9799. .set_link_led = (set_link_led_t)NULL,
  9800. .phy_specific_func = (phy_specific_func_t)NULL
  9801. };
  9802. static struct bnx2x_phy phy_8727 = {
  9803. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9804. .addr = 0xff,
  9805. .def_md_devad = 0,
  9806. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9807. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9808. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9809. .mdio_ctrl = 0,
  9810. .supported = (SUPPORTED_10000baseT_Full |
  9811. SUPPORTED_1000baseT_Full |
  9812. SUPPORTED_FIBRE |
  9813. SUPPORTED_Pause |
  9814. SUPPORTED_Asym_Pause),
  9815. .media_type = ETH_PHY_NOT_PRESENT,
  9816. .ver_addr = 0,
  9817. .req_flow_ctrl = 0,
  9818. .req_line_speed = 0,
  9819. .speed_cap_mask = 0,
  9820. .req_duplex = 0,
  9821. .rsrv = 0,
  9822. .config_init = (config_init_t)bnx2x_8727_config_init,
  9823. .read_status = (read_status_t)bnx2x_8727_read_status,
  9824. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9825. .config_loopback = (config_loopback_t)NULL,
  9826. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9827. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9828. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9829. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9830. };
  9831. static struct bnx2x_phy phy_8481 = {
  9832. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9833. .addr = 0xff,
  9834. .def_md_devad = 0,
  9835. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9836. FLAGS_REARM_LATCH_SIGNAL,
  9837. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9838. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9839. .mdio_ctrl = 0,
  9840. .supported = (SUPPORTED_10baseT_Half |
  9841. SUPPORTED_10baseT_Full |
  9842. SUPPORTED_100baseT_Half |
  9843. SUPPORTED_100baseT_Full |
  9844. SUPPORTED_1000baseT_Full |
  9845. SUPPORTED_10000baseT_Full |
  9846. SUPPORTED_TP |
  9847. SUPPORTED_Autoneg |
  9848. SUPPORTED_Pause |
  9849. SUPPORTED_Asym_Pause),
  9850. .media_type = ETH_PHY_BASE_T,
  9851. .ver_addr = 0,
  9852. .req_flow_ctrl = 0,
  9853. .req_line_speed = 0,
  9854. .speed_cap_mask = 0,
  9855. .req_duplex = 0,
  9856. .rsrv = 0,
  9857. .config_init = (config_init_t)bnx2x_8481_config_init,
  9858. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9859. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9860. .config_loopback = (config_loopback_t)NULL,
  9861. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9862. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9863. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9864. .phy_specific_func = (phy_specific_func_t)NULL
  9865. };
  9866. static struct bnx2x_phy phy_84823 = {
  9867. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9868. .addr = 0xff,
  9869. .def_md_devad = 0,
  9870. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9871. FLAGS_REARM_LATCH_SIGNAL,
  9872. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9873. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9874. .mdio_ctrl = 0,
  9875. .supported = (SUPPORTED_10baseT_Half |
  9876. SUPPORTED_10baseT_Full |
  9877. SUPPORTED_100baseT_Half |
  9878. SUPPORTED_100baseT_Full |
  9879. SUPPORTED_1000baseT_Full |
  9880. SUPPORTED_10000baseT_Full |
  9881. SUPPORTED_TP |
  9882. SUPPORTED_Autoneg |
  9883. SUPPORTED_Pause |
  9884. SUPPORTED_Asym_Pause),
  9885. .media_type = ETH_PHY_BASE_T,
  9886. .ver_addr = 0,
  9887. .req_flow_ctrl = 0,
  9888. .req_line_speed = 0,
  9889. .speed_cap_mask = 0,
  9890. .req_duplex = 0,
  9891. .rsrv = 0,
  9892. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9893. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9894. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9895. .config_loopback = (config_loopback_t)NULL,
  9896. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9897. .hw_reset = (hw_reset_t)NULL,
  9898. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9899. .phy_specific_func = (phy_specific_func_t)NULL
  9900. };
  9901. static struct bnx2x_phy phy_84833 = {
  9902. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9903. .addr = 0xff,
  9904. .def_md_devad = 0,
  9905. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9906. FLAGS_REARM_LATCH_SIGNAL,
  9907. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9908. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9909. .mdio_ctrl = 0,
  9910. .supported = (SUPPORTED_100baseT_Half |
  9911. SUPPORTED_100baseT_Full |
  9912. SUPPORTED_1000baseT_Full |
  9913. SUPPORTED_10000baseT_Full |
  9914. SUPPORTED_TP |
  9915. SUPPORTED_Autoneg |
  9916. SUPPORTED_Pause |
  9917. SUPPORTED_Asym_Pause),
  9918. .media_type = ETH_PHY_BASE_T,
  9919. .ver_addr = 0,
  9920. .req_flow_ctrl = 0,
  9921. .req_line_speed = 0,
  9922. .speed_cap_mask = 0,
  9923. .req_duplex = 0,
  9924. .rsrv = 0,
  9925. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9926. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9927. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9928. .config_loopback = (config_loopback_t)NULL,
  9929. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9930. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9931. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9932. .phy_specific_func = (phy_specific_func_t)NULL
  9933. };
  9934. static struct bnx2x_phy phy_54618se = {
  9935. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9936. .addr = 0xff,
  9937. .def_md_devad = 0,
  9938. .flags = FLAGS_INIT_XGXS_FIRST,
  9939. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9940. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9941. .mdio_ctrl = 0,
  9942. .supported = (SUPPORTED_10baseT_Half |
  9943. SUPPORTED_10baseT_Full |
  9944. SUPPORTED_100baseT_Half |
  9945. SUPPORTED_100baseT_Full |
  9946. SUPPORTED_1000baseT_Full |
  9947. SUPPORTED_TP |
  9948. SUPPORTED_Autoneg |
  9949. SUPPORTED_Pause |
  9950. SUPPORTED_Asym_Pause),
  9951. .media_type = ETH_PHY_BASE_T,
  9952. .ver_addr = 0,
  9953. .req_flow_ctrl = 0,
  9954. .req_line_speed = 0,
  9955. .speed_cap_mask = 0,
  9956. /* req_duplex = */0,
  9957. /* rsrv = */0,
  9958. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9959. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9960. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9961. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9962. .format_fw_ver = (format_fw_ver_t)NULL,
  9963. .hw_reset = (hw_reset_t)NULL,
  9964. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  9965. .phy_specific_func = (phy_specific_func_t)NULL
  9966. };
  9967. /*****************************************************************/
  9968. /* */
  9969. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9970. /* */
  9971. /*****************************************************************/
  9972. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9973. struct bnx2x_phy *phy, u8 port,
  9974. u8 phy_index)
  9975. {
  9976. /* Get the 4 lanes xgxs config rx and tx */
  9977. u32 rx = 0, tx = 0, i;
  9978. for (i = 0; i < 2; i++) {
  9979. /*
  9980. * INT_PHY and EXT_PHY1 share the same value location in the
  9981. * shmem. When num_phys is greater than 1, than this value
  9982. * applies only to EXT_PHY1
  9983. */
  9984. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9985. rx = REG_RD(bp, shmem_base +
  9986. offsetof(struct shmem_region,
  9987. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9988. tx = REG_RD(bp, shmem_base +
  9989. offsetof(struct shmem_region,
  9990. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9991. } else {
  9992. rx = REG_RD(bp, shmem_base +
  9993. offsetof(struct shmem_region,
  9994. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9995. tx = REG_RD(bp, shmem_base +
  9996. offsetof(struct shmem_region,
  9997. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9998. }
  9999. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10000. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10001. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10002. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10003. }
  10004. }
  10005. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10006. u8 phy_index, u8 port)
  10007. {
  10008. u32 ext_phy_config = 0;
  10009. switch (phy_index) {
  10010. case EXT_PHY1:
  10011. ext_phy_config = REG_RD(bp, shmem_base +
  10012. offsetof(struct shmem_region,
  10013. dev_info.port_hw_config[port].external_phy_config));
  10014. break;
  10015. case EXT_PHY2:
  10016. ext_phy_config = REG_RD(bp, shmem_base +
  10017. offsetof(struct shmem_region,
  10018. dev_info.port_hw_config[port].external_phy_config2));
  10019. break;
  10020. default:
  10021. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10022. return -EINVAL;
  10023. }
  10024. return ext_phy_config;
  10025. }
  10026. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10027. struct bnx2x_phy *phy)
  10028. {
  10029. u32 phy_addr;
  10030. u32 chip_id;
  10031. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10032. offsetof(struct shmem_region,
  10033. dev_info.port_feature_config[port].link_config)) &
  10034. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10035. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  10036. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10037. if (USES_WARPCORE(bp)) {
  10038. u32 serdes_net_if;
  10039. phy_addr = REG_RD(bp,
  10040. MISC_REG_WC0_CTRL_PHY_ADDR);
  10041. *phy = phy_warpcore;
  10042. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10043. phy->flags |= FLAGS_4_PORT_MODE;
  10044. else
  10045. phy->flags &= ~FLAGS_4_PORT_MODE;
  10046. /* Check Dual mode */
  10047. serdes_net_if = (REG_RD(bp, shmem_base +
  10048. offsetof(struct shmem_region, dev_info.
  10049. port_hw_config[port].default_cfg)) &
  10050. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10051. /*
  10052. * Set the appropriate supported and flags indications per
  10053. * interface type of the chip
  10054. */
  10055. switch (serdes_net_if) {
  10056. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10057. phy->supported &= (SUPPORTED_10baseT_Half |
  10058. SUPPORTED_10baseT_Full |
  10059. SUPPORTED_100baseT_Half |
  10060. SUPPORTED_100baseT_Full |
  10061. SUPPORTED_1000baseT_Full |
  10062. SUPPORTED_FIBRE |
  10063. SUPPORTED_Autoneg |
  10064. SUPPORTED_Pause |
  10065. SUPPORTED_Asym_Pause);
  10066. phy->media_type = ETH_PHY_BASE_T;
  10067. break;
  10068. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10069. phy->media_type = ETH_PHY_XFP_FIBER;
  10070. break;
  10071. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10072. phy->supported &= (SUPPORTED_1000baseT_Full |
  10073. SUPPORTED_10000baseT_Full |
  10074. SUPPORTED_FIBRE |
  10075. SUPPORTED_Pause |
  10076. SUPPORTED_Asym_Pause);
  10077. phy->media_type = ETH_PHY_SFP_FIBER;
  10078. break;
  10079. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10080. phy->media_type = ETH_PHY_KR;
  10081. phy->supported &= (SUPPORTED_1000baseT_Full |
  10082. SUPPORTED_10000baseT_Full |
  10083. SUPPORTED_FIBRE |
  10084. SUPPORTED_Autoneg |
  10085. SUPPORTED_Pause |
  10086. SUPPORTED_Asym_Pause);
  10087. break;
  10088. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10089. phy->media_type = ETH_PHY_KR;
  10090. phy->flags |= FLAGS_WC_DUAL_MODE;
  10091. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10092. SUPPORTED_FIBRE |
  10093. SUPPORTED_Pause |
  10094. SUPPORTED_Asym_Pause);
  10095. break;
  10096. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10097. phy->media_type = ETH_PHY_KR;
  10098. phy->flags |= FLAGS_WC_DUAL_MODE;
  10099. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10100. SUPPORTED_FIBRE |
  10101. SUPPORTED_Pause |
  10102. SUPPORTED_Asym_Pause);
  10103. break;
  10104. default:
  10105. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10106. serdes_net_if);
  10107. break;
  10108. }
  10109. /*
  10110. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10111. * was not set as expected. For B0, ECO will be enabled so there
  10112. * won't be an issue there
  10113. */
  10114. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10115. phy->flags |= FLAGS_MDC_MDIO_WA;
  10116. else
  10117. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10118. } else {
  10119. switch (switch_cfg) {
  10120. case SWITCH_CFG_1G:
  10121. phy_addr = REG_RD(bp,
  10122. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10123. port * 0x10);
  10124. *phy = phy_serdes;
  10125. break;
  10126. case SWITCH_CFG_10G:
  10127. phy_addr = REG_RD(bp,
  10128. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10129. port * 0x18);
  10130. *phy = phy_xgxs;
  10131. break;
  10132. default:
  10133. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10134. return -EINVAL;
  10135. }
  10136. }
  10137. phy->addr = (u8)phy_addr;
  10138. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10139. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10140. port);
  10141. if (CHIP_IS_E2(bp))
  10142. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10143. else
  10144. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10145. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10146. port, phy->addr, phy->mdio_ctrl);
  10147. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10148. return 0;
  10149. }
  10150. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10151. u8 phy_index,
  10152. u32 shmem_base,
  10153. u32 shmem2_base,
  10154. u8 port,
  10155. struct bnx2x_phy *phy)
  10156. {
  10157. u32 ext_phy_config, phy_type, config2;
  10158. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10159. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10160. phy_index, port);
  10161. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10162. /* Select the phy type */
  10163. switch (phy_type) {
  10164. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10165. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10166. *phy = phy_8073;
  10167. break;
  10168. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10169. *phy = phy_8705;
  10170. break;
  10171. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10172. *phy = phy_8706;
  10173. break;
  10174. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10175. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10176. *phy = phy_8726;
  10177. break;
  10178. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10179. /* BCM8727_NOC => BCM8727 no over current */
  10180. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10181. *phy = phy_8727;
  10182. phy->flags |= FLAGS_NOC;
  10183. break;
  10184. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10185. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10186. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10187. *phy = phy_8727;
  10188. break;
  10189. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10190. *phy = phy_8481;
  10191. break;
  10192. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10193. *phy = phy_84823;
  10194. break;
  10195. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10196. *phy = phy_84833;
  10197. break;
  10198. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10199. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10200. *phy = phy_54618se;
  10201. break;
  10202. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10203. *phy = phy_7101;
  10204. break;
  10205. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10206. *phy = phy_null;
  10207. return -EINVAL;
  10208. default:
  10209. *phy = phy_null;
  10210. return 0;
  10211. }
  10212. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10213. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10214. /*
  10215. * The shmem address of the phy version is located on different
  10216. * structures. In case this structure is too old, do not set
  10217. * the address
  10218. */
  10219. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10220. dev_info.shared_hw_config.config2));
  10221. if (phy_index == EXT_PHY1) {
  10222. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10223. port_mb[port].ext_phy_fw_version);
  10224. /* Check specific mdc mdio settings */
  10225. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10226. mdc_mdio_access = config2 &
  10227. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10228. } else {
  10229. u32 size = REG_RD(bp, shmem2_base);
  10230. if (size >
  10231. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10232. phy->ver_addr = shmem2_base +
  10233. offsetof(struct shmem2_region,
  10234. ext_phy_fw_version2[port]);
  10235. }
  10236. /* Check specific mdc mdio settings */
  10237. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10238. mdc_mdio_access = (config2 &
  10239. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10240. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10241. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10242. }
  10243. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10244. /*
  10245. * In case mdc/mdio_access of the external phy is different than the
  10246. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10247. * to prevent one port interfere with another port's CL45 operations.
  10248. */
  10249. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10250. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10251. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10252. phy_type, port, phy_index);
  10253. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10254. phy->addr, phy->mdio_ctrl);
  10255. return 0;
  10256. }
  10257. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10258. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10259. {
  10260. int status = 0;
  10261. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10262. if (phy_index == INT_PHY)
  10263. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10264. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10265. port, phy);
  10266. return status;
  10267. }
  10268. static void bnx2x_phy_def_cfg(struct link_params *params,
  10269. struct bnx2x_phy *phy,
  10270. u8 phy_index)
  10271. {
  10272. struct bnx2x *bp = params->bp;
  10273. u32 link_config;
  10274. /* Populate the default phy configuration for MF mode */
  10275. if (phy_index == EXT_PHY2) {
  10276. link_config = REG_RD(bp, params->shmem_base +
  10277. offsetof(struct shmem_region, dev_info.
  10278. port_feature_config[params->port].link_config2));
  10279. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10280. offsetof(struct shmem_region,
  10281. dev_info.
  10282. port_hw_config[params->port].speed_capability_mask2));
  10283. } else {
  10284. link_config = REG_RD(bp, params->shmem_base +
  10285. offsetof(struct shmem_region, dev_info.
  10286. port_feature_config[params->port].link_config));
  10287. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10288. offsetof(struct shmem_region,
  10289. dev_info.
  10290. port_hw_config[params->port].speed_capability_mask));
  10291. }
  10292. DP(NETIF_MSG_LINK,
  10293. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10294. phy_index, link_config, phy->speed_cap_mask);
  10295. phy->req_duplex = DUPLEX_FULL;
  10296. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10297. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10298. phy->req_duplex = DUPLEX_HALF;
  10299. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10300. phy->req_line_speed = SPEED_10;
  10301. break;
  10302. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10303. phy->req_duplex = DUPLEX_HALF;
  10304. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10305. phy->req_line_speed = SPEED_100;
  10306. break;
  10307. case PORT_FEATURE_LINK_SPEED_1G:
  10308. phy->req_line_speed = SPEED_1000;
  10309. break;
  10310. case PORT_FEATURE_LINK_SPEED_2_5G:
  10311. phy->req_line_speed = SPEED_2500;
  10312. break;
  10313. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10314. phy->req_line_speed = SPEED_10000;
  10315. break;
  10316. default:
  10317. phy->req_line_speed = SPEED_AUTO_NEG;
  10318. break;
  10319. }
  10320. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10321. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10322. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10323. break;
  10324. case PORT_FEATURE_FLOW_CONTROL_TX:
  10325. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10326. break;
  10327. case PORT_FEATURE_FLOW_CONTROL_RX:
  10328. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10329. break;
  10330. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10331. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10332. break;
  10333. default:
  10334. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10335. break;
  10336. }
  10337. }
  10338. u32 bnx2x_phy_selection(struct link_params *params)
  10339. {
  10340. u32 phy_config_swapped, prio_cfg;
  10341. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10342. phy_config_swapped = params->multi_phy_config &
  10343. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10344. prio_cfg = params->multi_phy_config &
  10345. PORT_HW_CFG_PHY_SELECTION_MASK;
  10346. if (phy_config_swapped) {
  10347. switch (prio_cfg) {
  10348. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10349. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10350. break;
  10351. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10352. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10353. break;
  10354. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10355. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10356. break;
  10357. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10358. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10359. break;
  10360. }
  10361. } else
  10362. return_cfg = prio_cfg;
  10363. return return_cfg;
  10364. }
  10365. int bnx2x_phy_probe(struct link_params *params)
  10366. {
  10367. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10368. u32 phy_config_swapped, sync_offset, media_types;
  10369. struct bnx2x *bp = params->bp;
  10370. struct bnx2x_phy *phy;
  10371. params->num_phys = 0;
  10372. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10373. phy_config_swapped = params->multi_phy_config &
  10374. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10375. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10376. phy_index++) {
  10377. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10378. actual_phy_idx = phy_index;
  10379. if (phy_config_swapped) {
  10380. if (phy_index == EXT_PHY1)
  10381. actual_phy_idx = EXT_PHY2;
  10382. else if (phy_index == EXT_PHY2)
  10383. actual_phy_idx = EXT_PHY1;
  10384. }
  10385. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10386. " actual_phy_idx %x\n", phy_config_swapped,
  10387. phy_index, actual_phy_idx);
  10388. phy = &params->phy[actual_phy_idx];
  10389. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10390. params->shmem2_base, params->port,
  10391. phy) != 0) {
  10392. params->num_phys = 0;
  10393. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10394. phy_index);
  10395. for (phy_index = INT_PHY;
  10396. phy_index < MAX_PHYS;
  10397. phy_index++)
  10398. *phy = phy_null;
  10399. return -EINVAL;
  10400. }
  10401. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10402. break;
  10403. sync_offset = params->shmem_base +
  10404. offsetof(struct shmem_region,
  10405. dev_info.port_hw_config[params->port].media_type);
  10406. media_types = REG_RD(bp, sync_offset);
  10407. /*
  10408. * Update media type for non-PMF sync only for the first time
  10409. * In case the media type changes afterwards, it will be updated
  10410. * using the update_status function
  10411. */
  10412. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10413. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10414. actual_phy_idx))) == 0) {
  10415. media_types |= ((phy->media_type &
  10416. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10417. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10418. actual_phy_idx));
  10419. }
  10420. REG_WR(bp, sync_offset, media_types);
  10421. bnx2x_phy_def_cfg(params, phy, phy_index);
  10422. params->num_phys++;
  10423. }
  10424. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10425. return 0;
  10426. }
  10427. void bnx2x_init_bmac_loopback(struct link_params *params,
  10428. struct link_vars *vars)
  10429. {
  10430. struct bnx2x *bp = params->bp;
  10431. vars->link_up = 1;
  10432. vars->line_speed = SPEED_10000;
  10433. vars->duplex = DUPLEX_FULL;
  10434. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10435. vars->mac_type = MAC_TYPE_BMAC;
  10436. vars->phy_flags = PHY_XGXS_FLAG;
  10437. bnx2x_xgxs_deassert(params);
  10438. /* set bmac loopback */
  10439. bnx2x_bmac_enable(params, vars, 1);
  10440. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10441. }
  10442. void bnx2x_init_emac_loopback(struct link_params *params,
  10443. struct link_vars *vars)
  10444. {
  10445. struct bnx2x *bp = params->bp;
  10446. vars->link_up = 1;
  10447. vars->line_speed = SPEED_1000;
  10448. vars->duplex = DUPLEX_FULL;
  10449. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10450. vars->mac_type = MAC_TYPE_EMAC;
  10451. vars->phy_flags = PHY_XGXS_FLAG;
  10452. bnx2x_xgxs_deassert(params);
  10453. /* set bmac loopback */
  10454. bnx2x_emac_enable(params, vars, 1);
  10455. bnx2x_emac_program(params, vars);
  10456. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10457. }
  10458. void bnx2x_init_xmac_loopback(struct link_params *params,
  10459. struct link_vars *vars)
  10460. {
  10461. struct bnx2x *bp = params->bp;
  10462. vars->link_up = 1;
  10463. if (!params->req_line_speed[0])
  10464. vars->line_speed = SPEED_10000;
  10465. else
  10466. vars->line_speed = params->req_line_speed[0];
  10467. vars->duplex = DUPLEX_FULL;
  10468. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10469. vars->mac_type = MAC_TYPE_XMAC;
  10470. vars->phy_flags = PHY_XGXS_FLAG;
  10471. /*
  10472. * Set WC to loopback mode since link is required to provide clock
  10473. * to the XMAC in 20G mode
  10474. */
  10475. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10476. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10477. params->phy[INT_PHY].config_loopback(
  10478. &params->phy[INT_PHY],
  10479. params);
  10480. bnx2x_xmac_enable(params, vars, 1);
  10481. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10482. }
  10483. void bnx2x_init_umac_loopback(struct link_params *params,
  10484. struct link_vars *vars)
  10485. {
  10486. struct bnx2x *bp = params->bp;
  10487. vars->link_up = 1;
  10488. vars->line_speed = SPEED_1000;
  10489. vars->duplex = DUPLEX_FULL;
  10490. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10491. vars->mac_type = MAC_TYPE_UMAC;
  10492. vars->phy_flags = PHY_XGXS_FLAG;
  10493. bnx2x_umac_enable(params, vars, 1);
  10494. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10495. }
  10496. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10497. struct link_vars *vars)
  10498. {
  10499. struct bnx2x *bp = params->bp;
  10500. vars->link_up = 1;
  10501. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10502. vars->duplex = DUPLEX_FULL;
  10503. if (params->req_line_speed[0] == SPEED_1000)
  10504. vars->line_speed = SPEED_1000;
  10505. else
  10506. vars->line_speed = SPEED_10000;
  10507. if (!USES_WARPCORE(bp))
  10508. bnx2x_xgxs_deassert(params);
  10509. bnx2x_link_initialize(params, vars);
  10510. if (params->req_line_speed[0] == SPEED_1000) {
  10511. if (USES_WARPCORE(bp))
  10512. bnx2x_umac_enable(params, vars, 0);
  10513. else {
  10514. bnx2x_emac_program(params, vars);
  10515. bnx2x_emac_enable(params, vars, 0);
  10516. }
  10517. } else {
  10518. if (USES_WARPCORE(bp))
  10519. bnx2x_xmac_enable(params, vars, 0);
  10520. else
  10521. bnx2x_bmac_enable(params, vars, 0);
  10522. }
  10523. if (params->loopback_mode == LOOPBACK_XGXS) {
  10524. /* set 10G XGXS loopback */
  10525. params->phy[INT_PHY].config_loopback(
  10526. &params->phy[INT_PHY],
  10527. params);
  10528. } else {
  10529. /* set external phy loopback */
  10530. u8 phy_index;
  10531. for (phy_index = EXT_PHY1;
  10532. phy_index < params->num_phys; phy_index++) {
  10533. if (params->phy[phy_index].config_loopback)
  10534. params->phy[phy_index].config_loopback(
  10535. &params->phy[phy_index],
  10536. params);
  10537. }
  10538. }
  10539. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10540. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10541. }
  10542. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10543. {
  10544. struct bnx2x *bp = params->bp;
  10545. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10546. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10547. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10548. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10549. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10550. vars->link_status = 0;
  10551. vars->phy_link_up = 0;
  10552. vars->link_up = 0;
  10553. vars->line_speed = 0;
  10554. vars->duplex = DUPLEX_FULL;
  10555. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10556. vars->mac_type = MAC_TYPE_NONE;
  10557. vars->phy_flags = 0;
  10558. /* disable attentions */
  10559. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10560. (NIG_MASK_XGXS0_LINK_STATUS |
  10561. NIG_MASK_XGXS0_LINK10G |
  10562. NIG_MASK_SERDES0_LINK_STATUS |
  10563. NIG_MASK_MI_INT));
  10564. bnx2x_emac_init(params, vars);
  10565. if (params->num_phys == 0) {
  10566. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10567. return -EINVAL;
  10568. }
  10569. set_phy_vars(params, vars);
  10570. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10571. switch (params->loopback_mode) {
  10572. case LOOPBACK_BMAC:
  10573. bnx2x_init_bmac_loopback(params, vars);
  10574. break;
  10575. case LOOPBACK_EMAC:
  10576. bnx2x_init_emac_loopback(params, vars);
  10577. break;
  10578. case LOOPBACK_XMAC:
  10579. bnx2x_init_xmac_loopback(params, vars);
  10580. break;
  10581. case LOOPBACK_UMAC:
  10582. bnx2x_init_umac_loopback(params, vars);
  10583. break;
  10584. case LOOPBACK_XGXS:
  10585. case LOOPBACK_EXT_PHY:
  10586. bnx2x_init_xgxs_loopback(params, vars);
  10587. break;
  10588. default:
  10589. if (!CHIP_IS_E3(bp)) {
  10590. if (params->switch_cfg == SWITCH_CFG_10G)
  10591. bnx2x_xgxs_deassert(params);
  10592. else
  10593. bnx2x_serdes_deassert(bp, params->port);
  10594. }
  10595. bnx2x_link_initialize(params, vars);
  10596. msleep(30);
  10597. bnx2x_link_int_enable(params);
  10598. break;
  10599. }
  10600. return 0;
  10601. }
  10602. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10603. u8 reset_ext_phy)
  10604. {
  10605. struct bnx2x *bp = params->bp;
  10606. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10607. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10608. /* disable attentions */
  10609. vars->link_status = 0;
  10610. bnx2x_update_mng(params, vars->link_status);
  10611. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10612. (NIG_MASK_XGXS0_LINK_STATUS |
  10613. NIG_MASK_XGXS0_LINK10G |
  10614. NIG_MASK_SERDES0_LINK_STATUS |
  10615. NIG_MASK_MI_INT));
  10616. /* activate nig drain */
  10617. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10618. /* disable nig egress interface */
  10619. if (!CHIP_IS_E3(bp)) {
  10620. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10621. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10622. }
  10623. /* Stop BigMac rx */
  10624. if (!CHIP_IS_E3(bp))
  10625. bnx2x_bmac_rx_disable(bp, port);
  10626. else {
  10627. bnx2x_xmac_disable(params);
  10628. bnx2x_umac_disable(params);
  10629. }
  10630. /* disable emac */
  10631. if (!CHIP_IS_E3(bp))
  10632. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10633. msleep(10);
  10634. /* The PHY reset is controlled by GPIO 1
  10635. * Hold it as vars low
  10636. */
  10637. /* clear link led */
  10638. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10639. if (reset_ext_phy) {
  10640. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10641. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10642. phy_index++) {
  10643. if (params->phy[phy_index].link_reset) {
  10644. bnx2x_set_aer_mmd(params,
  10645. &params->phy[phy_index]);
  10646. params->phy[phy_index].link_reset(
  10647. &params->phy[phy_index],
  10648. params);
  10649. }
  10650. if (params->phy[phy_index].flags &
  10651. FLAGS_REARM_LATCH_SIGNAL)
  10652. clear_latch_ind = 1;
  10653. }
  10654. }
  10655. if (clear_latch_ind) {
  10656. /* Clear latching indication */
  10657. bnx2x_rearm_latch_signal(bp, port, 0);
  10658. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10659. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10660. }
  10661. if (params->phy[INT_PHY].link_reset)
  10662. params->phy[INT_PHY].link_reset(
  10663. &params->phy[INT_PHY], params);
  10664. /* disable nig ingress interface */
  10665. if (!CHIP_IS_E3(bp)) {
  10666. /* reset BigMac */
  10667. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10668. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10669. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10670. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10671. } else {
  10672. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10673. bnx2x_set_xumac_nig(params, 0, 0);
  10674. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10675. MISC_REGISTERS_RESET_REG_2_XMAC)
  10676. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10677. XMAC_CTRL_REG_SOFT_RESET);
  10678. }
  10679. vars->link_up = 0;
  10680. vars->phy_flags = 0;
  10681. return 0;
  10682. }
  10683. /****************************************************************************/
  10684. /* Common function */
  10685. /****************************************************************************/
  10686. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10687. u32 shmem_base_path[],
  10688. u32 shmem2_base_path[], u8 phy_index,
  10689. u32 chip_id)
  10690. {
  10691. struct bnx2x_phy phy[PORT_MAX];
  10692. struct bnx2x_phy *phy_blk[PORT_MAX];
  10693. u16 val;
  10694. s8 port = 0;
  10695. s8 port_of_path = 0;
  10696. u32 swap_val, swap_override;
  10697. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10698. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10699. port ^= (swap_val && swap_override);
  10700. bnx2x_ext_phy_hw_reset(bp, port);
  10701. /* PART1 - Reset both phys */
  10702. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10703. u32 shmem_base, shmem2_base;
  10704. /* In E2, same phy is using for port0 of the two paths */
  10705. if (CHIP_IS_E1x(bp)) {
  10706. shmem_base = shmem_base_path[0];
  10707. shmem2_base = shmem2_base_path[0];
  10708. port_of_path = port;
  10709. } else {
  10710. shmem_base = shmem_base_path[port];
  10711. shmem2_base = shmem2_base_path[port];
  10712. port_of_path = 0;
  10713. }
  10714. /* Extract the ext phy address for the port */
  10715. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10716. port_of_path, &phy[port]) !=
  10717. 0) {
  10718. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10719. return -EINVAL;
  10720. }
  10721. /* disable attentions */
  10722. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10723. port_of_path*4,
  10724. (NIG_MASK_XGXS0_LINK_STATUS |
  10725. NIG_MASK_XGXS0_LINK10G |
  10726. NIG_MASK_SERDES0_LINK_STATUS |
  10727. NIG_MASK_MI_INT));
  10728. /* Need to take the phy out of low power mode in order
  10729. to write to access its registers */
  10730. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10731. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10732. port);
  10733. /* Reset the phy */
  10734. bnx2x_cl45_write(bp, &phy[port],
  10735. MDIO_PMA_DEVAD,
  10736. MDIO_PMA_REG_CTRL,
  10737. 1<<15);
  10738. }
  10739. /* Add delay of 150ms after reset */
  10740. msleep(150);
  10741. if (phy[PORT_0].addr & 0x1) {
  10742. phy_blk[PORT_0] = &(phy[PORT_1]);
  10743. phy_blk[PORT_1] = &(phy[PORT_0]);
  10744. } else {
  10745. phy_blk[PORT_0] = &(phy[PORT_0]);
  10746. phy_blk[PORT_1] = &(phy[PORT_1]);
  10747. }
  10748. /* PART2 - Download firmware to both phys */
  10749. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10750. if (CHIP_IS_E1x(bp))
  10751. port_of_path = port;
  10752. else
  10753. port_of_path = 0;
  10754. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10755. phy_blk[port]->addr);
  10756. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10757. port_of_path))
  10758. return -EINVAL;
  10759. /* Only set bit 10 = 1 (Tx power down) */
  10760. bnx2x_cl45_read(bp, phy_blk[port],
  10761. MDIO_PMA_DEVAD,
  10762. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10763. /* Phase1 of TX_POWER_DOWN reset */
  10764. bnx2x_cl45_write(bp, phy_blk[port],
  10765. MDIO_PMA_DEVAD,
  10766. MDIO_PMA_REG_TX_POWER_DOWN,
  10767. (val | 1<<10));
  10768. }
  10769. /*
  10770. * Toggle Transmitter: Power down and then up with 600ms delay
  10771. * between
  10772. */
  10773. msleep(600);
  10774. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10775. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10776. /* Phase2 of POWER_DOWN_RESET */
  10777. /* Release bit 10 (Release Tx power down) */
  10778. bnx2x_cl45_read(bp, phy_blk[port],
  10779. MDIO_PMA_DEVAD,
  10780. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10781. bnx2x_cl45_write(bp, phy_blk[port],
  10782. MDIO_PMA_DEVAD,
  10783. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10784. msleep(15);
  10785. /* Read modify write the SPI-ROM version select register */
  10786. bnx2x_cl45_read(bp, phy_blk[port],
  10787. MDIO_PMA_DEVAD,
  10788. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10789. bnx2x_cl45_write(bp, phy_blk[port],
  10790. MDIO_PMA_DEVAD,
  10791. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10792. /* set GPIO2 back to LOW */
  10793. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10794. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10795. }
  10796. return 0;
  10797. }
  10798. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10799. u32 shmem_base_path[],
  10800. u32 shmem2_base_path[], u8 phy_index,
  10801. u32 chip_id)
  10802. {
  10803. u32 val;
  10804. s8 port;
  10805. struct bnx2x_phy phy;
  10806. /* Use port1 because of the static port-swap */
  10807. /* Enable the module detection interrupt */
  10808. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10809. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10810. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10811. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10812. bnx2x_ext_phy_hw_reset(bp, 0);
  10813. msleep(5);
  10814. for (port = 0; port < PORT_MAX; port++) {
  10815. u32 shmem_base, shmem2_base;
  10816. /* In E2, same phy is using for port0 of the two paths */
  10817. if (CHIP_IS_E1x(bp)) {
  10818. shmem_base = shmem_base_path[0];
  10819. shmem2_base = shmem2_base_path[0];
  10820. } else {
  10821. shmem_base = shmem_base_path[port];
  10822. shmem2_base = shmem2_base_path[port];
  10823. }
  10824. /* Extract the ext phy address for the port */
  10825. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10826. port, &phy) !=
  10827. 0) {
  10828. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10829. return -EINVAL;
  10830. }
  10831. /* Reset phy*/
  10832. bnx2x_cl45_write(bp, &phy,
  10833. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10834. /* Set fault module detected LED on */
  10835. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10836. MISC_REGISTERS_GPIO_HIGH,
  10837. port);
  10838. }
  10839. return 0;
  10840. }
  10841. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10842. u8 *io_gpio, u8 *io_port)
  10843. {
  10844. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10845. offsetof(struct shmem_region,
  10846. dev_info.port_hw_config[PORT_0].default_cfg));
  10847. switch (phy_gpio_reset) {
  10848. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10849. *io_gpio = 0;
  10850. *io_port = 0;
  10851. break;
  10852. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10853. *io_gpio = 1;
  10854. *io_port = 0;
  10855. break;
  10856. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10857. *io_gpio = 2;
  10858. *io_port = 0;
  10859. break;
  10860. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10861. *io_gpio = 3;
  10862. *io_port = 0;
  10863. break;
  10864. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10865. *io_gpio = 0;
  10866. *io_port = 1;
  10867. break;
  10868. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10869. *io_gpio = 1;
  10870. *io_port = 1;
  10871. break;
  10872. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10873. *io_gpio = 2;
  10874. *io_port = 1;
  10875. break;
  10876. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10877. *io_gpio = 3;
  10878. *io_port = 1;
  10879. break;
  10880. default:
  10881. /* Don't override the io_gpio and io_port */
  10882. break;
  10883. }
  10884. }
  10885. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10886. u32 shmem_base_path[],
  10887. u32 shmem2_base_path[], u8 phy_index,
  10888. u32 chip_id)
  10889. {
  10890. s8 port, reset_gpio;
  10891. u32 swap_val, swap_override;
  10892. struct bnx2x_phy phy[PORT_MAX];
  10893. struct bnx2x_phy *phy_blk[PORT_MAX];
  10894. s8 port_of_path;
  10895. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10896. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10897. reset_gpio = MISC_REGISTERS_GPIO_1;
  10898. port = 1;
  10899. /*
  10900. * Retrieve the reset gpio/port which control the reset.
  10901. * Default is GPIO1, PORT1
  10902. */
  10903. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10904. (u8 *)&reset_gpio, (u8 *)&port);
  10905. /* Calculate the port based on port swap */
  10906. port ^= (swap_val && swap_override);
  10907. /* Initiate PHY reset*/
  10908. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10909. port);
  10910. msleep(1);
  10911. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10912. port);
  10913. msleep(5);
  10914. /* PART1 - Reset both phys */
  10915. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10916. u32 shmem_base, shmem2_base;
  10917. /* In E2, same phy is using for port0 of the two paths */
  10918. if (CHIP_IS_E1x(bp)) {
  10919. shmem_base = shmem_base_path[0];
  10920. shmem2_base = shmem2_base_path[0];
  10921. port_of_path = port;
  10922. } else {
  10923. shmem_base = shmem_base_path[port];
  10924. shmem2_base = shmem2_base_path[port];
  10925. port_of_path = 0;
  10926. }
  10927. /* Extract the ext phy address for the port */
  10928. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10929. port_of_path, &phy[port]) !=
  10930. 0) {
  10931. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10932. return -EINVAL;
  10933. }
  10934. /* disable attentions */
  10935. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10936. port_of_path*4,
  10937. (NIG_MASK_XGXS0_LINK_STATUS |
  10938. NIG_MASK_XGXS0_LINK10G |
  10939. NIG_MASK_SERDES0_LINK_STATUS |
  10940. NIG_MASK_MI_INT));
  10941. /* Reset the phy */
  10942. bnx2x_cl45_write(bp, &phy[port],
  10943. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10944. }
  10945. /* Add delay of 150ms after reset */
  10946. msleep(150);
  10947. if (phy[PORT_0].addr & 0x1) {
  10948. phy_blk[PORT_0] = &(phy[PORT_1]);
  10949. phy_blk[PORT_1] = &(phy[PORT_0]);
  10950. } else {
  10951. phy_blk[PORT_0] = &(phy[PORT_0]);
  10952. phy_blk[PORT_1] = &(phy[PORT_1]);
  10953. }
  10954. /* PART2 - Download firmware to both phys */
  10955. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10956. if (CHIP_IS_E1x(bp))
  10957. port_of_path = port;
  10958. else
  10959. port_of_path = 0;
  10960. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10961. phy_blk[port]->addr);
  10962. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10963. port_of_path))
  10964. return -EINVAL;
  10965. /* Disable PHY transmitter output */
  10966. bnx2x_cl45_write(bp, phy_blk[port],
  10967. MDIO_PMA_DEVAD,
  10968. MDIO_PMA_REG_TX_DISABLE, 1);
  10969. }
  10970. return 0;
  10971. }
  10972. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10973. u32 shmem2_base_path[], u8 phy_index,
  10974. u32 ext_phy_type, u32 chip_id)
  10975. {
  10976. int rc = 0;
  10977. switch (ext_phy_type) {
  10978. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10979. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10980. shmem2_base_path,
  10981. phy_index, chip_id);
  10982. break;
  10983. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10984. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10985. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10986. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10987. shmem2_base_path,
  10988. phy_index, chip_id);
  10989. break;
  10990. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10991. /*
  10992. * GPIO1 affects both ports, so there's need to pull
  10993. * it for single port alone
  10994. */
  10995. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10996. shmem2_base_path,
  10997. phy_index, chip_id);
  10998. break;
  10999. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11000. /*
  11001. * GPIO3's are linked, and so both need to be toggled
  11002. * to obtain required 2us pulse.
  11003. */
  11004. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  11005. break;
  11006. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11007. rc = -EINVAL;
  11008. break;
  11009. default:
  11010. DP(NETIF_MSG_LINK,
  11011. "ext_phy 0x%x common init not required\n",
  11012. ext_phy_type);
  11013. break;
  11014. }
  11015. if (rc != 0)
  11016. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11017. " Port %d\n",
  11018. 0);
  11019. return rc;
  11020. }
  11021. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11022. u32 shmem2_base_path[], u32 chip_id)
  11023. {
  11024. int rc = 0;
  11025. u32 phy_ver, val;
  11026. u8 phy_index = 0;
  11027. u32 ext_phy_type, ext_phy_config;
  11028. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11029. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11030. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11031. if (CHIP_IS_E3(bp)) {
  11032. /* Enable EPIO */
  11033. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11034. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11035. }
  11036. /* Check if common init was already done */
  11037. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11038. offsetof(struct shmem_region,
  11039. port_mb[PORT_0].ext_phy_fw_version));
  11040. if (phy_ver) {
  11041. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11042. phy_ver);
  11043. return 0;
  11044. }
  11045. /* Read the ext_phy_type for arbitrary port(0) */
  11046. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11047. phy_index++) {
  11048. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11049. shmem_base_path[0],
  11050. phy_index, 0);
  11051. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11052. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11053. shmem2_base_path,
  11054. phy_index, ext_phy_type,
  11055. chip_id);
  11056. }
  11057. return rc;
  11058. }
  11059. static void bnx2x_check_over_curr(struct link_params *params,
  11060. struct link_vars *vars)
  11061. {
  11062. struct bnx2x *bp = params->bp;
  11063. u32 cfg_pin;
  11064. u8 port = params->port;
  11065. u32 pin_val;
  11066. cfg_pin = (REG_RD(bp, params->shmem_base +
  11067. offsetof(struct shmem_region,
  11068. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11069. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11070. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11071. /* Ignore check if no external input PIN available */
  11072. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11073. return;
  11074. if (!pin_val) {
  11075. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11076. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11077. " been detected and the power to "
  11078. "that SFP+ module has been removed"
  11079. " to prevent failure of the card."
  11080. " Please remove the SFP+ module and"
  11081. " restart the system to clear this"
  11082. " error.\n",
  11083. params->port);
  11084. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11085. }
  11086. } else
  11087. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11088. }
  11089. static void bnx2x_analyze_link_error(struct link_params *params,
  11090. struct link_vars *vars, u32 lss_status)
  11091. {
  11092. struct bnx2x *bp = params->bp;
  11093. /* Compare new value with previous value */
  11094. u8 led_mode;
  11095. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11096. if ((lss_status ^ half_open_conn) == 0)
  11097. return;
  11098. /* If values differ */
  11099. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11100. half_open_conn, lss_status);
  11101. /*
  11102. * a. Update shmem->link_status accordingly
  11103. * b. Update link_vars->link_up
  11104. */
  11105. if (lss_status) {
  11106. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11107. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11108. vars->link_up = 0;
  11109. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11110. /*
  11111. * Set LED mode to off since the PHY doesn't know about these
  11112. * errors
  11113. */
  11114. led_mode = LED_MODE_OFF;
  11115. } else {
  11116. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11117. vars->link_status |= LINK_STATUS_LINK_UP;
  11118. vars->link_up = 1;
  11119. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11120. led_mode = LED_MODE_OPER;
  11121. }
  11122. /* Update the LED according to the link state */
  11123. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11124. /* Update link status in the shared memory */
  11125. bnx2x_update_mng(params, vars->link_status);
  11126. /* C. Trigger General Attention */
  11127. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11128. bnx2x_notify_link_changed(bp);
  11129. }
  11130. /******************************************************************************
  11131. * Description:
  11132. * This function checks for half opened connection change indication.
  11133. * When such change occurs, it calls the bnx2x_analyze_link_error
  11134. * to check if Remote Fault is set or cleared. Reception of remote fault
  11135. * status message in the MAC indicates that the peer's MAC has detected
  11136. * a fault, for example, due to break in the TX side of fiber.
  11137. *
  11138. ******************************************************************************/
  11139. static void bnx2x_check_half_open_conn(struct link_params *params,
  11140. struct link_vars *vars)
  11141. {
  11142. struct bnx2x *bp = params->bp;
  11143. u32 lss_status = 0;
  11144. u32 mac_base;
  11145. /* In case link status is physically up @ 10G do */
  11146. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11147. return;
  11148. if (CHIP_IS_E3(bp) &&
  11149. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11150. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11151. /* Check E3 XMAC */
  11152. /*
  11153. * Note that link speed cannot be queried here, since it may be
  11154. * zero while link is down. In case UMAC is active, LSS will
  11155. * simply not be set
  11156. */
  11157. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11158. /* Clear stick bits (Requires rising edge) */
  11159. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11160. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11161. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11162. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11163. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11164. lss_status = 1;
  11165. bnx2x_analyze_link_error(params, vars, lss_status);
  11166. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11167. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11168. /* Check E1X / E2 BMAC */
  11169. u32 lss_status_reg;
  11170. u32 wb_data[2];
  11171. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11172. NIG_REG_INGRESS_BMAC0_MEM;
  11173. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11174. if (CHIP_IS_E2(bp))
  11175. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11176. else
  11177. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11178. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11179. lss_status = (wb_data[0] > 0);
  11180. bnx2x_analyze_link_error(params, vars, lss_status);
  11181. }
  11182. }
  11183. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11184. {
  11185. struct bnx2x *bp = params->bp;
  11186. u16 phy_idx;
  11187. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11188. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11189. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11190. bnx2x_check_half_open_conn(params, vars);
  11191. break;
  11192. }
  11193. }
  11194. if (CHIP_IS_E3(bp)) {
  11195. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11196. bnx2x_set_aer_mmd(params, phy);
  11197. bnx2x_check_over_curr(params, vars);
  11198. bnx2x_warpcore_config_runtime(phy, params, vars);
  11199. }
  11200. }
  11201. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11202. {
  11203. u8 phy_index;
  11204. struct bnx2x_phy phy;
  11205. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11206. phy_index++) {
  11207. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11208. 0, &phy) != 0) {
  11209. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11210. return 0;
  11211. }
  11212. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11213. return 1;
  11214. }
  11215. return 0;
  11216. }
  11217. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11218. u32 shmem_base,
  11219. u32 shmem2_base,
  11220. u8 port)
  11221. {
  11222. u8 phy_index, fan_failure_det_req = 0;
  11223. struct bnx2x_phy phy;
  11224. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11225. phy_index++) {
  11226. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11227. port, &phy)
  11228. != 0) {
  11229. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11230. return 0;
  11231. }
  11232. fan_failure_det_req |= (phy.flags &
  11233. FLAGS_FAN_FAILURE_DET_REQ);
  11234. }
  11235. return fan_failure_det_req;
  11236. }
  11237. void bnx2x_hw_reset_phy(struct link_params *params)
  11238. {
  11239. u8 phy_index;
  11240. struct bnx2x *bp = params->bp;
  11241. bnx2x_update_mng(params, 0);
  11242. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11243. (NIG_MASK_XGXS0_LINK_STATUS |
  11244. NIG_MASK_XGXS0_LINK10G |
  11245. NIG_MASK_SERDES0_LINK_STATUS |
  11246. NIG_MASK_MI_INT));
  11247. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11248. phy_index++) {
  11249. if (params->phy[phy_index].hw_reset) {
  11250. params->phy[phy_index].hw_reset(
  11251. &params->phy[phy_index],
  11252. params);
  11253. params->phy[phy_index] = phy_null;
  11254. }
  11255. }
  11256. }
  11257. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11258. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11259. u8 port)
  11260. {
  11261. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11262. u32 val;
  11263. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11264. if (CHIP_IS_E3(bp)) {
  11265. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11266. shmem_base,
  11267. port,
  11268. &gpio_num,
  11269. &gpio_port) != 0)
  11270. return;
  11271. } else {
  11272. struct bnx2x_phy phy;
  11273. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11274. phy_index++) {
  11275. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11276. shmem2_base, port, &phy)
  11277. != 0) {
  11278. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11279. return;
  11280. }
  11281. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11282. gpio_num = MISC_REGISTERS_GPIO_3;
  11283. gpio_port = port;
  11284. break;
  11285. }
  11286. }
  11287. }
  11288. if (gpio_num == 0xff)
  11289. return;
  11290. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11291. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11292. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11293. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11294. gpio_port ^= (swap_val && swap_override);
  11295. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11296. (gpio_num + (gpio_port << 2));
  11297. sync_offset = shmem_base +
  11298. offsetof(struct shmem_region,
  11299. dev_info.port_hw_config[port].aeu_int_mask);
  11300. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11301. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11302. gpio_num, gpio_port, vars->aeu_int_mask);
  11303. if (port == 0)
  11304. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11305. else
  11306. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11307. /* Open appropriate AEU for interrupts */
  11308. aeu_mask = REG_RD(bp, offset);
  11309. aeu_mask |= vars->aeu_int_mask;
  11310. REG_WR(bp, offset, aeu_mask);
  11311. /* Enable the GPIO to trigger interrupt */
  11312. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11313. val |= 1 << (gpio_num + (gpio_port << 2));
  11314. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11315. }