bnx2x_link.c 385 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define MCPR_IMC_COMMAND_READ_OP 1
  40. #define MCPR_IMC_COMMAND_WRITE_OP 2
  41. /* LED Blink rate that will achieve ~15.9Hz */
  42. #define LED_BLINK_RATE_VAL_E3 354
  43. #define LED_BLINK_RATE_VAL_E1X_E2 480
  44. /***********************************************************/
  45. /* Shortcut definitions */
  46. /***********************************************************/
  47. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  48. #define NIG_STATUS_EMAC0_MI_INT \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  50. #define NIG_STATUS_XGXS0_LINK10G \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  52. #define NIG_STATUS_XGXS0_LINK_STATUS \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  54. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  56. #define NIG_STATUS_SERDES0_LINK_STATUS \
  57. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  58. #define NIG_MASK_MI_INT \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  60. #define NIG_MASK_XGXS0_LINK10G \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  62. #define NIG_MASK_XGXS0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  64. #define NIG_MASK_SERDES0_LINK_STATUS \
  65. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  66. #define MDIO_AN_CL73_OR_37_COMPLETE \
  67. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  68. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  69. #define XGXS_RESET_BITS \
  70. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  75. #define SERDES_RESET_BITS \
  76. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  80. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  81. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  82. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  83. #define AUTONEG_PARALLEL \
  84. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  85. #define AUTONEG_SGMII_FIBER_AUTODET \
  86. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  87. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  88. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  90. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  92. #define GP_STATUS_SPEED_MASK \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  94. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  95. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  96. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  97. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  98. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  99. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  100. #define GP_STATUS_10G_HIG \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  102. #define GP_STATUS_10G_CX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  104. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  105. #define GP_STATUS_10G_KX4 \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  107. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  108. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  109. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  110. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  111. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  112. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  113. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  114. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  115. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  116. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  117. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  118. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  119. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  120. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  121. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  122. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  123. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  124. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  125. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  126. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  127. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  128. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  129. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  130. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  131. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  132. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  133. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  136. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  137. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  138. #define SFP_EEPROM_OPTIONS_SIZE 2
  139. #define EDC_MODE_LINEAR 0x0022
  140. #define EDC_MODE_LIMITING 0x0044
  141. #define EDC_MODE_PASSIVE_DAC 0x0055
  142. /* BRB default for class 0 E2 */
  143. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  145. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  147. /* BRB thresholds for E2*/
  148. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  150. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  154. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  156. /* BRB default for class 0 E3A0 */
  157. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  159. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  161. /* BRB thresholds for E3A0 */
  162. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  168. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  170. /* BRB default for E3B0 */
  171. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  173. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  175. /* BRB thresholds for E3B0 2 port mode*/
  176. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  184. /* only for E3B0*/
  185. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  187. /* Lossy +Lossless GUARANTIED == GUART */
  188. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  189. /* Lossless +Lossless*/
  190. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  191. /* Lossy +Lossy*/
  192. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  193. /* Lossy +Lossless*/
  194. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  195. /* Lossless +Lossless*/
  196. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  197. /* Lossy +Lossy*/
  198. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  199. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  200. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  202. /* BRB thresholds for E3B0 4 port mode */
  203. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  211. /* only for E3B0*/
  212. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  214. #define PFC_E3B0_4P_LB_GUART 120
  215. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  217. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  219. /* Pause defines*/
  220. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  222. #define DEFAULT_E3B0_LB_GUART 40
  223. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  225. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  227. /* ETS defines*/
  228. #define DCBX_INVALID_COS (0xFF)
  229. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  230. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  231. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  233. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  234. #define MAX_PACKET_SIZE (9700)
  235. #define MAX_KR_LINK_RETRY 4
  236. /**********************************************************/
  237. /* INTERFACE */
  238. /**********************************************************/
  239. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  240. bnx2x_cl45_write(_bp, _phy, \
  241. (_phy)->def_md_devad, \
  242. (_bank + (_addr & 0xf)), \
  243. _val)
  244. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  245. bnx2x_cl45_read(_bp, _phy, \
  246. (_phy)->def_md_devad, \
  247. (_bank + (_addr & 0xf)), \
  248. _val)
  249. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  250. {
  251. u32 val = REG_RD(bp, reg);
  252. val |= bits;
  253. REG_WR(bp, reg, val);
  254. return val;
  255. }
  256. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  257. {
  258. u32 val = REG_RD(bp, reg);
  259. val &= ~bits;
  260. REG_WR(bp, reg, val);
  261. return val;
  262. }
  263. /******************************************************************/
  264. /* EPIO/GPIO section */
  265. /******************************************************************/
  266. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  267. {
  268. u32 epio_mask, gp_oenable;
  269. *en = 0;
  270. /* Sanity check */
  271. if (epio_pin > 31) {
  272. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  273. return;
  274. }
  275. epio_mask = 1 << epio_pin;
  276. /* Set this EPIO to output */
  277. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  278. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  279. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  280. }
  281. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  282. {
  283. u32 epio_mask, gp_output, gp_oenable;
  284. /* Sanity check */
  285. if (epio_pin > 31) {
  286. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  287. return;
  288. }
  289. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  290. epio_mask = 1 << epio_pin;
  291. /* Set this EPIO to output */
  292. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  293. if (en)
  294. gp_output |= epio_mask;
  295. else
  296. gp_output &= ~epio_mask;
  297. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  298. /* Set the value for this EPIO */
  299. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  300. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  301. }
  302. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  303. {
  304. if (pin_cfg == PIN_CFG_NA)
  305. return;
  306. if (pin_cfg >= PIN_CFG_EPIO0) {
  307. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  308. } else {
  309. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  310. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  311. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  312. }
  313. }
  314. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  315. {
  316. if (pin_cfg == PIN_CFG_NA)
  317. return -EINVAL;
  318. if (pin_cfg >= PIN_CFG_EPIO0) {
  319. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  320. } else {
  321. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  322. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  323. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  324. }
  325. return 0;
  326. }
  327. /******************************************************************/
  328. /* ETS section */
  329. /******************************************************************/
  330. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  331. {
  332. /* ETS disabled configuration*/
  333. struct bnx2x *bp = params->bp;
  334. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  335. /* mapping between entry priority to client number (0,1,2 -debug and
  336. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  337. * 3bits client num.
  338. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  339. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  340. */
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  342. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  343. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  344. * COS0 entry, 4 - COS1 entry.
  345. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  346. * bit4 bit3 bit2 bit1 bit0
  347. * MCP and debug are strict
  348. */
  349. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  350. /* defines which entries (clients) are subjected to WFQ arbitration */
  351. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  352. /* For strict priority entries defines the number of consecutive
  353. * slots for the highest priority.
  354. */
  355. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  356. /* mapping between the CREDIT_WEIGHT registers and actual client
  357. * numbers
  358. */
  359. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  362. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  363. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  364. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  365. /* ETS mode disable */
  366. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  367. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  368. * weight for COS0/COS1.
  369. */
  370. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  371. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  372. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  373. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  374. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  375. /* Defines the number of consecutive slots for the strict priority */
  376. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  377. }
  378. /******************************************************************************
  379. * Description:
  380. * Getting min_w_val will be set according to line speed .
  381. *.
  382. ******************************************************************************/
  383. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  384. {
  385. u32 min_w_val = 0;
  386. /* Calculate min_w_val.*/
  387. if (vars->link_up) {
  388. if (vars->line_speed == SPEED_20000)
  389. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  390. else
  391. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  392. } else
  393. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  394. /* If the link isn't up (static configuration for example ) The
  395. * link will be according to 20GBPS.
  396. */
  397. return min_w_val;
  398. }
  399. /******************************************************************************
  400. * Description:
  401. * Getting credit upper bound form min_w_val.
  402. *.
  403. ******************************************************************************/
  404. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  405. {
  406. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  407. MAX_PACKET_SIZE);
  408. return credit_upper_bound;
  409. }
  410. /******************************************************************************
  411. * Description:
  412. * Set credit upper bound for NIG.
  413. *.
  414. ******************************************************************************/
  415. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  416. const struct link_params *params,
  417. const u32 min_w_val)
  418. {
  419. struct bnx2x *bp = params->bp;
  420. const u8 port = params->port;
  421. const u32 credit_upper_bound =
  422. bnx2x_ets_get_credit_upper_bound(min_w_val);
  423. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  424. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  425. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  426. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  427. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  428. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  429. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  430. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  431. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  432. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  433. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  434. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  435. if (!port) {
  436. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  437. credit_upper_bound);
  438. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  439. credit_upper_bound);
  440. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  441. credit_upper_bound);
  442. }
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Will return the NIG ETS registers to init values.Except
  447. * credit_upper_bound.
  448. * That isn't used in this configuration (No WFQ is enabled) and will be
  449. * configured acording to spec
  450. *.
  451. ******************************************************************************/
  452. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  453. const struct link_vars *vars)
  454. {
  455. struct bnx2x *bp = params->bp;
  456. const u8 port = params->port;
  457. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  458. /* Mapping between entry priority to client number (0,1,2 -debug and
  459. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  460. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  461. * reset value or init tool
  462. */
  463. if (port) {
  464. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  465. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  466. } else {
  467. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  468. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  469. }
  470. /* For strict priority entries defines the number of consecutive
  471. * slots for the highest priority.
  472. */
  473. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  474. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  475. /* Mapping between the CREDIT_WEIGHT registers and actual client
  476. * numbers
  477. */
  478. if (port) {
  479. /*Port 1 has 6 COS*/
  480. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  481. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  482. } else {
  483. /*Port 0 has 9 COS*/
  484. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  485. 0x43210876);
  486. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  487. }
  488. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  489. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  490. * COS0 entry, 4 - COS1 entry.
  491. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  492. * bit4 bit3 bit2 bit1 bit0
  493. * MCP and debug are strict
  494. */
  495. if (port)
  496. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  497. else
  498. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  499. /* defines which entries (clients) are subjected to WFQ arbitration */
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  501. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  502. /* Please notice the register address are note continuous and a
  503. * for here is note appropriate.In 2 port mode port0 only COS0-5
  504. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  505. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  506. * are never used for WFQ
  507. */
  508. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  509. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  510. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  511. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  512. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  513. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  514. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  515. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  516. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  517. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  518. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  519. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  520. if (!port) {
  521. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  524. }
  525. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  526. }
  527. /******************************************************************************
  528. * Description:
  529. * Set credit upper bound for PBF.
  530. *.
  531. ******************************************************************************/
  532. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  533. const struct link_params *params,
  534. const u32 min_w_val)
  535. {
  536. struct bnx2x *bp = params->bp;
  537. const u32 credit_upper_bound =
  538. bnx2x_ets_get_credit_upper_bound(min_w_val);
  539. const u8 port = params->port;
  540. u32 base_upper_bound = 0;
  541. u8 max_cos = 0;
  542. u8 i = 0;
  543. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  544. * port mode port1 has COS0-2 that can be used for WFQ.
  545. */
  546. if (!port) {
  547. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  548. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  549. } else {
  550. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  551. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  552. }
  553. for (i = 0; i < max_cos; i++)
  554. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  555. }
  556. /******************************************************************************
  557. * Description:
  558. * Will return the PBF ETS registers to init values.Except
  559. * credit_upper_bound.
  560. * That isn't used in this configuration (No WFQ is enabled) and will be
  561. * configured acording to spec
  562. *.
  563. ******************************************************************************/
  564. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  565. {
  566. struct bnx2x *bp = params->bp;
  567. const u8 port = params->port;
  568. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  569. u8 i = 0;
  570. u32 base_weight = 0;
  571. u8 max_cos = 0;
  572. /* Mapping between entry priority to client number 0 - COS0
  573. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  574. * TODO_ETS - Should be done by reset value or init tool
  575. */
  576. if (port)
  577. /* 0x688 (|011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  579. else
  580. /* (10 1|100 |011|0 10|00 1|000) */
  581. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  582. /* TODO_ETS - Should be done by reset value or init tool */
  583. if (port)
  584. /* 0x688 (|011|0 10|00 1|000)*/
  585. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  586. else
  587. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  588. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  589. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  590. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  591. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  592. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  593. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  594. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  595. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  596. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  597. */
  598. if (!port) {
  599. base_weight = PBF_REG_COS0_WEIGHT_P0;
  600. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  601. } else {
  602. base_weight = PBF_REG_COS0_WEIGHT_P1;
  603. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  604. }
  605. for (i = 0; i < max_cos; i++)
  606. REG_WR(bp, base_weight + (0x4 * i), 0);
  607. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  608. }
  609. /******************************************************************************
  610. * Description:
  611. * E3B0 disable will return basicly the values to init values.
  612. *.
  613. ******************************************************************************/
  614. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  615. const struct link_vars *vars)
  616. {
  617. struct bnx2x *bp = params->bp;
  618. if (!CHIP_IS_E3B0(bp)) {
  619. DP(NETIF_MSG_LINK,
  620. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  621. return -EINVAL;
  622. }
  623. bnx2x_ets_e3b0_nig_disabled(params, vars);
  624. bnx2x_ets_e3b0_pbf_disabled(params);
  625. return 0;
  626. }
  627. /******************************************************************************
  628. * Description:
  629. * Disable will return basicly the values to init values.
  630. *
  631. ******************************************************************************/
  632. int bnx2x_ets_disabled(struct link_params *params,
  633. struct link_vars *vars)
  634. {
  635. struct bnx2x *bp = params->bp;
  636. int bnx2x_status = 0;
  637. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  638. bnx2x_ets_e2e3a0_disabled(params);
  639. else if (CHIP_IS_E3B0(bp))
  640. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  641. else {
  642. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  643. return -EINVAL;
  644. }
  645. return bnx2x_status;
  646. }
  647. /******************************************************************************
  648. * Description
  649. * Set the COS mappimg to SP and BW until this point all the COS are not
  650. * set as SP or BW.
  651. ******************************************************************************/
  652. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  653. const struct bnx2x_ets_params *ets_params,
  654. const u8 cos_sp_bitmap,
  655. const u8 cos_bw_bitmap)
  656. {
  657. struct bnx2x *bp = params->bp;
  658. const u8 port = params->port;
  659. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  660. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  661. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  662. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  663. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  664. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  665. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  666. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  667. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  668. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  669. nig_cli_subject2wfq_bitmap);
  670. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  671. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  672. pbf_cli_subject2wfq_bitmap);
  673. return 0;
  674. }
  675. /******************************************************************************
  676. * Description:
  677. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  678. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  679. ******************************************************************************/
  680. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  681. const u8 cos_entry,
  682. const u32 min_w_val_nig,
  683. const u32 min_w_val_pbf,
  684. const u16 total_bw,
  685. const u8 bw,
  686. const u8 port)
  687. {
  688. u32 nig_reg_adress_crd_weight = 0;
  689. u32 pbf_reg_adress_crd_weight = 0;
  690. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  691. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  692. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  693. switch (cos_entry) {
  694. case 0:
  695. nig_reg_adress_crd_weight =
  696. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  697. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  698. pbf_reg_adress_crd_weight = (port) ?
  699. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  700. break;
  701. case 1:
  702. nig_reg_adress_crd_weight = (port) ?
  703. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  704. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  705. pbf_reg_adress_crd_weight = (port) ?
  706. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  707. break;
  708. case 2:
  709. nig_reg_adress_crd_weight = (port) ?
  710. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  711. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  712. pbf_reg_adress_crd_weight = (port) ?
  713. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  714. break;
  715. case 3:
  716. if (port)
  717. return -EINVAL;
  718. nig_reg_adress_crd_weight =
  719. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  720. pbf_reg_adress_crd_weight =
  721. PBF_REG_COS3_WEIGHT_P0;
  722. break;
  723. case 4:
  724. if (port)
  725. return -EINVAL;
  726. nig_reg_adress_crd_weight =
  727. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  728. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  729. break;
  730. case 5:
  731. if (port)
  732. return -EINVAL;
  733. nig_reg_adress_crd_weight =
  734. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  735. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  736. break;
  737. }
  738. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  739. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  740. return 0;
  741. }
  742. /******************************************************************************
  743. * Description:
  744. * Calculate the total BW.A value of 0 isn't legal.
  745. *
  746. ******************************************************************************/
  747. static int bnx2x_ets_e3b0_get_total_bw(
  748. const struct link_params *params,
  749. struct bnx2x_ets_params *ets_params,
  750. u16 *total_bw)
  751. {
  752. struct bnx2x *bp = params->bp;
  753. u8 cos_idx = 0;
  754. u8 is_bw_cos_exist = 0;
  755. *total_bw = 0 ;
  756. /* Calculate total BW requested */
  757. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  758. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  759. is_bw_cos_exist = 1;
  760. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  762. "was set to 0\n");
  763. /* This is to prevent a state when ramrods
  764. * can't be sent
  765. */
  766. ets_params->cos[cos_idx].params.bw_params.bw
  767. = 1;
  768. }
  769. *total_bw +=
  770. ets_params->cos[cos_idx].params.bw_params.bw;
  771. }
  772. }
  773. /* Check total BW is valid */
  774. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  775. if (*total_bw == 0) {
  776. DP(NETIF_MSG_LINK,
  777. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  778. return -EINVAL;
  779. }
  780. DP(NETIF_MSG_LINK,
  781. "bnx2x_ets_E3B0_config total BW should be 100\n");
  782. /* We can handle a case whre the BW isn't 100 this can happen
  783. * if the TC are joined.
  784. */
  785. }
  786. return 0;
  787. }
  788. /******************************************************************************
  789. * Description:
  790. * Invalidate all the sp_pri_to_cos.
  791. *
  792. ******************************************************************************/
  793. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  794. {
  795. u8 pri = 0;
  796. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  797. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  798. }
  799. /******************************************************************************
  800. * Description:
  801. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  802. * according to sp_pri_to_cos.
  803. *
  804. ******************************************************************************/
  805. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  806. u8 *sp_pri_to_cos, const u8 pri,
  807. const u8 cos_entry)
  808. {
  809. struct bnx2x *bp = params->bp;
  810. const u8 port = params->port;
  811. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  812. DCBX_E3B0_MAX_NUM_COS_PORT0;
  813. if (pri >= max_num_of_cos) {
  814. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  815. "parameter Illegal strict priority\n");
  816. return -EINVAL;
  817. }
  818. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  819. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  820. "parameter There can't be two COS's with "
  821. "the same strict pri\n");
  822. return -EINVAL;
  823. }
  824. sp_pri_to_cos[pri] = cos_entry;
  825. return 0;
  826. }
  827. /******************************************************************************
  828. * Description:
  829. * Returns the correct value according to COS and priority in
  830. * the sp_pri_cli register.
  831. *
  832. ******************************************************************************/
  833. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  834. const u8 pri_set,
  835. const u8 pri_offset,
  836. const u8 entry_size)
  837. {
  838. u64 pri_cli_nig = 0;
  839. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  840. (pri_set + pri_offset));
  841. return pri_cli_nig;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for NIG.
  847. *
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  850. {
  851. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  852. const u8 nig_cos_offset = 3;
  853. const u8 nig_pri_offset = 3;
  854. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  855. nig_pri_offset, 4);
  856. }
  857. /******************************************************************************
  858. * Description:
  859. * Returns the correct value according to COS and priority in the
  860. * sp_pri_cli register for PBF.
  861. *
  862. ******************************************************************************/
  863. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  864. {
  865. const u8 pbf_cos_offset = 0;
  866. const u8 pbf_pri_offset = 0;
  867. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  868. pbf_pri_offset, 3);
  869. }
  870. /******************************************************************************
  871. * Description:
  872. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  873. * according to sp_pri_to_cos.(which COS has higher priority)
  874. *
  875. ******************************************************************************/
  876. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  877. u8 *sp_pri_to_cos)
  878. {
  879. struct bnx2x *bp = params->bp;
  880. u8 i = 0;
  881. const u8 port = params->port;
  882. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  883. u64 pri_cli_nig = 0x210;
  884. u32 pri_cli_pbf = 0x0;
  885. u8 pri_set = 0;
  886. u8 pri_bitmask = 0;
  887. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  888. DCBX_E3B0_MAX_NUM_COS_PORT0;
  889. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  890. /* Set all the strict priority first */
  891. for (i = 0; i < max_num_of_cos; i++) {
  892. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  893. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  894. DP(NETIF_MSG_LINK,
  895. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  896. "invalid cos entry\n");
  897. return -EINVAL;
  898. }
  899. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  900. sp_pri_to_cos[i], pri_set);
  901. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  902. sp_pri_to_cos[i], pri_set);
  903. pri_bitmask = 1 << sp_pri_to_cos[i];
  904. /* COS is used remove it from bitmap.*/
  905. if (!(pri_bitmask & cos_bit_to_set)) {
  906. DP(NETIF_MSG_LINK,
  907. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  908. "invalid There can't be two COS's with"
  909. " the same strict pri\n");
  910. return -EINVAL;
  911. }
  912. cos_bit_to_set &= ~pri_bitmask;
  913. pri_set++;
  914. }
  915. }
  916. /* Set all the Non strict priority i= COS*/
  917. for (i = 0; i < max_num_of_cos; i++) {
  918. pri_bitmask = 1 << i;
  919. /* Check if COS was already used for SP */
  920. if (pri_bitmask & cos_bit_to_set) {
  921. /* COS wasn't used for SP */
  922. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  923. i, pri_set);
  924. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  925. i, pri_set);
  926. /* COS is used remove it from bitmap.*/
  927. cos_bit_to_set &= ~pri_bitmask;
  928. pri_set++;
  929. }
  930. }
  931. if (pri_set != max_num_of_cos) {
  932. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  933. "entries were set\n");
  934. return -EINVAL;
  935. }
  936. if (port) {
  937. /* Only 6 usable clients*/
  938. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  939. (u32)pri_cli_nig);
  940. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  941. } else {
  942. /* Only 9 usable clients*/
  943. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  944. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  945. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  946. pri_cli_nig_lsb);
  947. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  948. pri_cli_nig_msb);
  949. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  950. }
  951. return 0;
  952. }
  953. /******************************************************************************
  954. * Description:
  955. * Configure the COS to ETS according to BW and SP settings.
  956. ******************************************************************************/
  957. int bnx2x_ets_e3b0_config(const struct link_params *params,
  958. const struct link_vars *vars,
  959. struct bnx2x_ets_params *ets_params)
  960. {
  961. struct bnx2x *bp = params->bp;
  962. int bnx2x_status = 0;
  963. const u8 port = params->port;
  964. u16 total_bw = 0;
  965. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  966. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  967. u8 cos_bw_bitmap = 0;
  968. u8 cos_sp_bitmap = 0;
  969. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  970. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  971. DCBX_E3B0_MAX_NUM_COS_PORT0;
  972. u8 cos_entry = 0;
  973. if (!CHIP_IS_E3B0(bp)) {
  974. DP(NETIF_MSG_LINK,
  975. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  976. return -EINVAL;
  977. }
  978. if ((ets_params->num_of_cos > max_num_of_cos)) {
  979. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  980. "isn't supported\n");
  981. return -EINVAL;
  982. }
  983. /* Prepare sp strict priority parameters*/
  984. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  985. /* Prepare BW parameters*/
  986. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  987. &total_bw);
  988. if (bnx2x_status) {
  989. DP(NETIF_MSG_LINK,
  990. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  991. return -EINVAL;
  992. }
  993. /* Upper bound is set according to current link speed (min_w_val
  994. * should be the same for upper bound and COS credit val).
  995. */
  996. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  997. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  998. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  999. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1000. cos_bw_bitmap |= (1 << cos_entry);
  1001. /* The function also sets the BW in HW(not the mappin
  1002. * yet)
  1003. */
  1004. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1005. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1006. total_bw,
  1007. ets_params->cos[cos_entry].params.bw_params.bw,
  1008. port);
  1009. } else if (bnx2x_cos_state_strict ==
  1010. ets_params->cos[cos_entry].state){
  1011. cos_sp_bitmap |= (1 << cos_entry);
  1012. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1013. params,
  1014. sp_pri_to_cos,
  1015. ets_params->cos[cos_entry].params.sp_params.pri,
  1016. cos_entry);
  1017. } else {
  1018. DP(NETIF_MSG_LINK,
  1019. "bnx2x_ets_e3b0_config cos state not valid\n");
  1020. return -EINVAL;
  1021. }
  1022. if (bnx2x_status) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1025. return bnx2x_status;
  1026. }
  1027. }
  1028. /* Set SP register (which COS has higher priority) */
  1029. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1030. sp_pri_to_cos);
  1031. if (bnx2x_status) {
  1032. DP(NETIF_MSG_LINK,
  1033. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1034. return bnx2x_status;
  1035. }
  1036. /* Set client mapping of BW and strict */
  1037. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1038. cos_sp_bitmap,
  1039. cos_bw_bitmap);
  1040. if (bnx2x_status) {
  1041. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1042. return bnx2x_status;
  1043. }
  1044. return 0;
  1045. }
  1046. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1047. {
  1048. /* ETS disabled configuration */
  1049. struct bnx2x *bp = params->bp;
  1050. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1051. /* Defines which entries (clients) are subjected to WFQ arbitration
  1052. * COS0 0x8
  1053. * COS1 0x10
  1054. */
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1056. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1057. * client numbers (WEIGHT_0 does not actually have to represent
  1058. * client 0)
  1059. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1060. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1061. */
  1062. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1063. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1064. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1065. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1066. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1067. /* ETS mode enabled*/
  1068. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1069. /* Defines the number of consecutive slots for the strict priority */
  1070. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1071. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1072. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1073. * entry, 4 - COS1 entry.
  1074. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1075. * bit4 bit3 bit2 bit1 bit0
  1076. * MCP and debug are strict
  1077. */
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1079. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1080. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1081. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1082. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1083. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1084. }
  1085. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1086. const u32 cos1_bw)
  1087. {
  1088. /* ETS disabled configuration*/
  1089. struct bnx2x *bp = params->bp;
  1090. const u32 total_bw = cos0_bw + cos1_bw;
  1091. u32 cos0_credit_weight = 0;
  1092. u32 cos1_credit_weight = 0;
  1093. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1094. if ((!total_bw) ||
  1095. (!cos0_bw) ||
  1096. (!cos1_bw)) {
  1097. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1098. return;
  1099. }
  1100. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1101. total_bw;
  1102. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1103. total_bw;
  1104. bnx2x_ets_bw_limit_common(params);
  1105. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1107. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1108. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1109. }
  1110. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1111. {
  1112. /* ETS disabled configuration*/
  1113. struct bnx2x *bp = params->bp;
  1114. u32 val = 0;
  1115. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1116. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1117. * as strict. Bits 0,1,2 - debug and management entries,
  1118. * 3 - COS0 entry, 4 - COS1 entry.
  1119. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1120. * bit4 bit3 bit2 bit1 bit0
  1121. * MCP and debug are strict
  1122. */
  1123. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1124. /* For strict priority entries defines the number of consecutive slots
  1125. * for the highest priority.
  1126. */
  1127. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1128. /* ETS mode disable */
  1129. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1130. /* Defines the number of consecutive slots for the strict priority */
  1131. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1132. /* Defines the number of consecutive slots for the strict priority */
  1133. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1134. /* Mapping between entry priority to client number (0,1,2 -debug and
  1135. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1136. * 3bits client num.
  1137. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1138. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1139. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1140. */
  1141. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1142. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1143. return 0;
  1144. }
  1145. /******************************************************************/
  1146. /* EEE section */
  1147. /******************************************************************/
  1148. static u8 bnx2x_eee_has_cap(struct link_params *params)
  1149. {
  1150. struct bnx2x *bp = params->bp;
  1151. if (REG_RD(bp, params->shmem2_base) <=
  1152. offsetof(struct shmem2_region, eee_status[params->port]))
  1153. return 0;
  1154. return 1;
  1155. }
  1156. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  1157. {
  1158. switch (nvram_mode) {
  1159. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  1160. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  1161. break;
  1162. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  1163. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  1164. break;
  1165. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  1166. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  1167. break;
  1168. default:
  1169. *idle_timer = 0;
  1170. break;
  1171. }
  1172. return 0;
  1173. }
  1174. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  1175. {
  1176. switch (idle_timer) {
  1177. case EEE_MODE_NVRAM_BALANCED_TIME:
  1178. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  1179. break;
  1180. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  1181. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  1182. break;
  1183. case EEE_MODE_NVRAM_LATENCY_TIME:
  1184. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  1185. break;
  1186. default:
  1187. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  1188. break;
  1189. }
  1190. return 0;
  1191. }
  1192. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  1193. {
  1194. u32 eee_mode, eee_idle;
  1195. struct bnx2x *bp = params->bp;
  1196. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  1197. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  1198. /* time value in eee_mode --> used directly*/
  1199. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  1200. } else {
  1201. /* hsi value in eee_mode --> time */
  1202. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  1203. EEE_MODE_NVRAM_MASK,
  1204. &eee_idle))
  1205. return 0;
  1206. }
  1207. } else {
  1208. /* hsi values in nvram --> time*/
  1209. eee_mode = ((REG_RD(bp, params->shmem_base +
  1210. offsetof(struct shmem_region, dev_info.
  1211. port_feature_config[params->port].
  1212. eee_power_mode)) &
  1213. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  1214. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  1215. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  1216. return 0;
  1217. }
  1218. return eee_idle;
  1219. }
  1220. /******************************************************************/
  1221. /* PFC section */
  1222. /******************************************************************/
  1223. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1224. struct link_vars *vars,
  1225. u8 is_lb)
  1226. {
  1227. struct bnx2x *bp = params->bp;
  1228. u32 xmac_base;
  1229. u32 pause_val, pfc0_val, pfc1_val;
  1230. /* XMAC base adrr */
  1231. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1232. /* Initialize pause and pfc registers */
  1233. pause_val = 0x18000;
  1234. pfc0_val = 0xFFFF8000;
  1235. pfc1_val = 0x2;
  1236. /* No PFC support */
  1237. if (!(params->feature_config_flags &
  1238. FEATURE_CONFIG_PFC_ENABLED)) {
  1239. /* RX flow control - Process pause frame in receive direction
  1240. */
  1241. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1242. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1243. /* TX flow control - Send pause packet when buffer is full */
  1244. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1245. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1246. } else {/* PFC support */
  1247. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1248. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1249. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1250. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1251. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1252. /* Write pause and PFC registers */
  1253. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1254. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1255. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1256. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1257. }
  1258. /* Write pause and PFC registers */
  1259. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1260. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1261. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1262. /* Set MAC address for source TX Pause/PFC frames */
  1263. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1264. ((params->mac_addr[2] << 24) |
  1265. (params->mac_addr[3] << 16) |
  1266. (params->mac_addr[4] << 8) |
  1267. (params->mac_addr[5])));
  1268. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1269. ((params->mac_addr[0] << 8) |
  1270. (params->mac_addr[1])));
  1271. udelay(30);
  1272. }
  1273. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1274. u32 pfc_frames_sent[2],
  1275. u32 pfc_frames_received[2])
  1276. {
  1277. /* Read pfc statistic */
  1278. struct bnx2x *bp = params->bp;
  1279. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1280. u32 val_xon = 0;
  1281. u32 val_xoff = 0;
  1282. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1283. /* PFC received frames */
  1284. val_xoff = REG_RD(bp, emac_base +
  1285. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1286. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1287. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1288. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1289. pfc_frames_received[0] = val_xon + val_xoff;
  1290. /* PFC received sent */
  1291. val_xoff = REG_RD(bp, emac_base +
  1292. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1293. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1294. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1295. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1296. pfc_frames_sent[0] = val_xon + val_xoff;
  1297. }
  1298. /* Read pfc statistic*/
  1299. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1300. u32 pfc_frames_sent[2],
  1301. u32 pfc_frames_received[2])
  1302. {
  1303. /* Read pfc statistic */
  1304. struct bnx2x *bp = params->bp;
  1305. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1306. if (!vars->link_up)
  1307. return;
  1308. if (vars->mac_type == MAC_TYPE_EMAC) {
  1309. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1310. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1311. pfc_frames_received);
  1312. }
  1313. }
  1314. /******************************************************************/
  1315. /* MAC/PBF section */
  1316. /******************************************************************/
  1317. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1318. {
  1319. u32 mode, emac_base;
  1320. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1321. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1322. */
  1323. if (CHIP_IS_E2(bp))
  1324. emac_base = GRCBASE_EMAC0;
  1325. else
  1326. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1327. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1328. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1329. EMAC_MDIO_MODE_CLOCK_CNT);
  1330. if (USES_WARPCORE(bp))
  1331. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1332. else
  1333. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1334. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1335. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1336. udelay(40);
  1337. }
  1338. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1339. {
  1340. u32 port4mode_ovwr_val;
  1341. /* Check 4-port override enabled */
  1342. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1343. if (port4mode_ovwr_val & (1<<0)) {
  1344. /* Return 4-port mode override value */
  1345. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1346. }
  1347. /* Return 4-port mode from input pin */
  1348. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1349. }
  1350. static void bnx2x_emac_init(struct link_params *params,
  1351. struct link_vars *vars)
  1352. {
  1353. /* reset and unreset the emac core */
  1354. struct bnx2x *bp = params->bp;
  1355. u8 port = params->port;
  1356. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1357. u32 val;
  1358. u16 timeout;
  1359. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1360. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1361. udelay(5);
  1362. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1363. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1364. /* init emac - use read-modify-write */
  1365. /* self clear reset */
  1366. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1367. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1368. timeout = 200;
  1369. do {
  1370. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1371. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1372. if (!timeout) {
  1373. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1374. return;
  1375. }
  1376. timeout--;
  1377. } while (val & EMAC_MODE_RESET);
  1378. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1379. /* Set mac address */
  1380. val = ((params->mac_addr[0] << 8) |
  1381. params->mac_addr[1]);
  1382. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1383. val = ((params->mac_addr[2] << 24) |
  1384. (params->mac_addr[3] << 16) |
  1385. (params->mac_addr[4] << 8) |
  1386. params->mac_addr[5]);
  1387. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1388. }
  1389. static void bnx2x_set_xumac_nig(struct link_params *params,
  1390. u16 tx_pause_en,
  1391. u8 enable)
  1392. {
  1393. struct bnx2x *bp = params->bp;
  1394. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1395. enable);
  1396. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1397. enable);
  1398. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1399. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1400. }
  1401. static void bnx2x_umac_disable(struct link_params *params)
  1402. {
  1403. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1404. struct bnx2x *bp = params->bp;
  1405. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1406. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1407. return;
  1408. /* Disable RX and TX */
  1409. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1410. }
  1411. static void bnx2x_umac_enable(struct link_params *params,
  1412. struct link_vars *vars, u8 lb)
  1413. {
  1414. u32 val;
  1415. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1416. struct bnx2x *bp = params->bp;
  1417. /* Reset UMAC */
  1418. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1419. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1420. usleep_range(1000, 2000);
  1421. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1422. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1423. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1424. /* This register opens the gate for the UMAC despite its name */
  1425. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1426. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1427. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1428. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1429. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1430. switch (vars->line_speed) {
  1431. case SPEED_10:
  1432. val |= (0<<2);
  1433. break;
  1434. case SPEED_100:
  1435. val |= (1<<2);
  1436. break;
  1437. case SPEED_1000:
  1438. val |= (2<<2);
  1439. break;
  1440. case SPEED_2500:
  1441. val |= (3<<2);
  1442. break;
  1443. default:
  1444. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1445. vars->line_speed);
  1446. break;
  1447. }
  1448. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1449. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1450. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1451. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1452. if (vars->duplex == DUPLEX_HALF)
  1453. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1454. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1455. udelay(50);
  1456. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1457. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1458. ((params->mac_addr[2] << 24) |
  1459. (params->mac_addr[3] << 16) |
  1460. (params->mac_addr[4] << 8) |
  1461. (params->mac_addr[5])));
  1462. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1463. ((params->mac_addr[0] << 8) |
  1464. (params->mac_addr[1])));
  1465. /* Enable RX and TX */
  1466. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1467. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1468. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1469. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1470. udelay(50);
  1471. /* Remove SW Reset */
  1472. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1473. /* Check loopback mode */
  1474. if (lb)
  1475. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1476. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1477. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1478. * length used by the MAC receive logic to check frames.
  1479. */
  1480. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1481. bnx2x_set_xumac_nig(params,
  1482. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1483. vars->mac_type = MAC_TYPE_UMAC;
  1484. }
  1485. /* Define the XMAC mode */
  1486. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1487. {
  1488. struct bnx2x *bp = params->bp;
  1489. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1490. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1491. * already out of reset, it means the mode has already been set,
  1492. * and it must not* reset the XMAC again, since it controls both
  1493. * ports of the path
  1494. */
  1495. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1496. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1497. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1498. DP(NETIF_MSG_LINK,
  1499. "XMAC already out of reset in 4-port mode\n");
  1500. return;
  1501. }
  1502. /* Hard reset */
  1503. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1504. MISC_REGISTERS_RESET_REG_2_XMAC);
  1505. usleep_range(1000, 2000);
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC);
  1508. if (is_port4mode) {
  1509. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1510. /* Set the number of ports on the system side to up to 2 */
  1511. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1512. /* Set the number of ports on the Warp Core to 10G */
  1513. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1514. } else {
  1515. /* Set the number of ports on the system side to 1 */
  1516. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1517. if (max_speed == SPEED_10000) {
  1518. DP(NETIF_MSG_LINK,
  1519. "Init XMAC to 10G x 1 port per path\n");
  1520. /* Set the number of ports on the Warp Core to 10G */
  1521. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1522. } else {
  1523. DP(NETIF_MSG_LINK,
  1524. "Init XMAC to 20G x 2 ports per path\n");
  1525. /* Set the number of ports on the Warp Core to 20G */
  1526. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1527. }
  1528. }
  1529. /* Soft reset */
  1530. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1531. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1532. usleep_range(1000, 2000);
  1533. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1534. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1535. }
  1536. static void bnx2x_xmac_disable(struct link_params *params)
  1537. {
  1538. u8 port = params->port;
  1539. struct bnx2x *bp = params->bp;
  1540. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1541. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1542. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1543. /* Send an indication to change the state in the NIG back to XON
  1544. * Clearing this bit enables the next set of this bit to get
  1545. * rising edge
  1546. */
  1547. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1548. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1549. (pfc_ctrl & ~(1<<1)));
  1550. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1551. (pfc_ctrl | (1<<1)));
  1552. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1553. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1554. }
  1555. }
  1556. static int bnx2x_xmac_enable(struct link_params *params,
  1557. struct link_vars *vars, u8 lb)
  1558. {
  1559. u32 val, xmac_base;
  1560. struct bnx2x *bp = params->bp;
  1561. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1562. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1563. bnx2x_xmac_init(params, vars->line_speed);
  1564. /* This register determines on which events the MAC will assert
  1565. * error on the i/f to the NIG along w/ EOP.
  1566. */
  1567. /* This register tells the NIG whether to send traffic to UMAC
  1568. * or XMAC
  1569. */
  1570. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1571. /* Set Max packet size */
  1572. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1573. /* CRC append for Tx packets */
  1574. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1575. /* update PFC */
  1576. bnx2x_update_pfc_xmac(params, vars, 0);
  1577. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1578. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1579. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1580. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1581. } else {
  1582. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1583. }
  1584. /* Enable TX and RX */
  1585. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1586. /* Check loopback mode */
  1587. if (lb)
  1588. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1589. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1590. bnx2x_set_xumac_nig(params,
  1591. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1592. vars->mac_type = MAC_TYPE_XMAC;
  1593. return 0;
  1594. }
  1595. static int bnx2x_emac_enable(struct link_params *params,
  1596. struct link_vars *vars, u8 lb)
  1597. {
  1598. struct bnx2x *bp = params->bp;
  1599. u8 port = params->port;
  1600. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1601. u32 val;
  1602. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1603. /* Disable BMAC */
  1604. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1605. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1606. /* enable emac and not bmac */
  1607. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1608. /* ASIC */
  1609. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1610. u32 ser_lane = ((params->lane_config &
  1611. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1613. DP(NETIF_MSG_LINK, "XGXS\n");
  1614. /* select the master lanes (out of 0-3) */
  1615. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1616. /* select XGXS */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1618. } else { /* SerDes */
  1619. DP(NETIF_MSG_LINK, "SerDes\n");
  1620. /* select SerDes */
  1621. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1622. }
  1623. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1624. EMAC_RX_MODE_RESET);
  1625. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1626. EMAC_TX_MODE_RESET);
  1627. /* pause enable/disable */
  1628. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1629. EMAC_RX_MODE_FLOW_EN);
  1630. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1631. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1632. EMAC_TX_MODE_FLOW_EN));
  1633. if (!(params->feature_config_flags &
  1634. FEATURE_CONFIG_PFC_ENABLED)) {
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_RX_MODE,
  1638. EMAC_RX_MODE_FLOW_EN);
  1639. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1640. bnx2x_bits_en(bp, emac_base +
  1641. EMAC_REG_EMAC_TX_MODE,
  1642. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1643. EMAC_TX_MODE_FLOW_EN));
  1644. } else
  1645. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1646. EMAC_TX_MODE_FLOW_EN);
  1647. /* KEEP_VLAN_TAG, promiscuous */
  1648. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1649. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1650. /* Setting this bit causes MAC control frames (except for pause
  1651. * frames) to be passed on for processing. This setting has no
  1652. * affect on the operation of the pause frames. This bit effects
  1653. * all packets regardless of RX Parser packet sorting logic.
  1654. * Turn the PFC off to make sure we are in Xon state before
  1655. * enabling it.
  1656. */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1658. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1659. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1660. /* Enable PFC again */
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1662. EMAC_REG_RX_PFC_MODE_RX_EN |
  1663. EMAC_REG_RX_PFC_MODE_TX_EN |
  1664. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1665. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1666. ((0x0101 <<
  1667. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1668. (0x00ff <<
  1669. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1670. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1671. }
  1672. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1673. /* Set Loopback */
  1674. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1675. if (lb)
  1676. val |= 0x810;
  1677. else
  1678. val &= ~0x810;
  1679. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1680. /* Enable emac */
  1681. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1682. /* Enable emac for jumbo packets */
  1683. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1684. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1685. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1686. /* Strip CRC */
  1687. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1688. /* Disable the NIG in/out to the bmac */
  1689. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1690. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1691. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1692. /* Enable the NIG in/out to the emac */
  1693. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1694. val = 0;
  1695. if ((params->feature_config_flags &
  1696. FEATURE_CONFIG_PFC_ENABLED) ||
  1697. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1698. val = 1;
  1699. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1700. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1701. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1702. vars->mac_type = MAC_TYPE_EMAC;
  1703. return 0;
  1704. }
  1705. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1706. struct link_vars *vars)
  1707. {
  1708. u32 wb_data[2];
  1709. struct bnx2x *bp = params->bp;
  1710. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1711. NIG_REG_INGRESS_BMAC0_MEM;
  1712. u32 val = 0x14;
  1713. if ((!(params->feature_config_flags &
  1714. FEATURE_CONFIG_PFC_ENABLED)) &&
  1715. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1716. /* Enable BigMAC to react on received Pause packets */
  1717. val |= (1<<5);
  1718. wb_data[0] = val;
  1719. wb_data[1] = 0;
  1720. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1721. /* TX control */
  1722. val = 0xc0;
  1723. if (!(params->feature_config_flags &
  1724. FEATURE_CONFIG_PFC_ENABLED) &&
  1725. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1726. val |= 0x800000;
  1727. wb_data[0] = val;
  1728. wb_data[1] = 0;
  1729. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1730. }
  1731. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1732. struct link_vars *vars,
  1733. u8 is_lb)
  1734. {
  1735. /* Set rx control: Strip CRC and enable BigMAC to relay
  1736. * control packets to the system as well
  1737. */
  1738. u32 wb_data[2];
  1739. struct bnx2x *bp = params->bp;
  1740. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1741. NIG_REG_INGRESS_BMAC0_MEM;
  1742. u32 val = 0x14;
  1743. if ((!(params->feature_config_flags &
  1744. FEATURE_CONFIG_PFC_ENABLED)) &&
  1745. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1746. /* Enable BigMAC to react on received Pause packets */
  1747. val |= (1<<5);
  1748. wb_data[0] = val;
  1749. wb_data[1] = 0;
  1750. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1751. udelay(30);
  1752. /* Tx control */
  1753. val = 0xc0;
  1754. if (!(params->feature_config_flags &
  1755. FEATURE_CONFIG_PFC_ENABLED) &&
  1756. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1757. val |= 0x800000;
  1758. wb_data[0] = val;
  1759. wb_data[1] = 0;
  1760. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1761. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1762. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1763. /* Enable PFC RX & TX & STATS and set 8 COS */
  1764. wb_data[0] = 0x0;
  1765. wb_data[0] |= (1<<0); /* RX */
  1766. wb_data[0] |= (1<<1); /* TX */
  1767. wb_data[0] |= (1<<2); /* Force initial Xon */
  1768. wb_data[0] |= (1<<3); /* 8 cos */
  1769. wb_data[0] |= (1<<5); /* STATS */
  1770. wb_data[1] = 0;
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1772. wb_data, 2);
  1773. /* Clear the force Xon */
  1774. wb_data[0] &= ~(1<<2);
  1775. } else {
  1776. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1777. /* Disable PFC RX & TX & STATS and set 8 COS */
  1778. wb_data[0] = 0x8;
  1779. wb_data[1] = 0;
  1780. }
  1781. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1782. /* Set Time (based unit is 512 bit time) between automatic
  1783. * re-sending of PP packets amd enable automatic re-send of
  1784. * Per-Priroity Packet as long as pp_gen is asserted and
  1785. * pp_disable is low.
  1786. */
  1787. val = 0x8000;
  1788. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1789. val |= (1<<16); /* enable automatic re-send */
  1790. wb_data[0] = val;
  1791. wb_data[1] = 0;
  1792. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1793. wb_data, 2);
  1794. /* mac control */
  1795. val = 0x3; /* Enable RX and TX */
  1796. if (is_lb) {
  1797. val |= 0x4; /* Local loopback */
  1798. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1799. }
  1800. /* When PFC enabled, Pass pause frames towards the NIG. */
  1801. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1802. val |= ((1<<6)|(1<<5));
  1803. wb_data[0] = val;
  1804. wb_data[1] = 0;
  1805. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1806. }
  1807. /* PFC BRB internal port configuration params */
  1808. struct bnx2x_pfc_brb_threshold_val {
  1809. u32 pause_xoff;
  1810. u32 pause_xon;
  1811. u32 full_xoff;
  1812. u32 full_xon;
  1813. };
  1814. struct bnx2x_pfc_brb_e3b0_val {
  1815. u32 per_class_guaranty_mode;
  1816. u32 lb_guarantied_hyst;
  1817. u32 full_lb_xoff_th;
  1818. u32 full_lb_xon_threshold;
  1819. u32 lb_guarantied;
  1820. u32 mac_0_class_t_guarantied;
  1821. u32 mac_0_class_t_guarantied_hyst;
  1822. u32 mac_1_class_t_guarantied;
  1823. u32 mac_1_class_t_guarantied_hyst;
  1824. };
  1825. struct bnx2x_pfc_brb_th_val {
  1826. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1827. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1828. struct bnx2x_pfc_brb_threshold_val default_class0;
  1829. struct bnx2x_pfc_brb_threshold_val default_class1;
  1830. };
  1831. static int bnx2x_pfc_brb_get_config_params(
  1832. struct link_params *params,
  1833. struct bnx2x_pfc_brb_th_val *config_val)
  1834. {
  1835. struct bnx2x *bp = params->bp;
  1836. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1837. config_val->default_class1.pause_xoff = 0;
  1838. config_val->default_class1.pause_xon = 0;
  1839. config_val->default_class1.full_xoff = 0;
  1840. config_val->default_class1.full_xon = 0;
  1841. if (CHIP_IS_E2(bp)) {
  1842. /* Class0 defaults */
  1843. config_val->default_class0.pause_xoff =
  1844. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1845. config_val->default_class0.pause_xon =
  1846. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1847. config_val->default_class0.full_xoff =
  1848. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1849. config_val->default_class0.full_xon =
  1850. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1851. /* Pause able*/
  1852. config_val->pauseable_th.pause_xoff =
  1853. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1854. config_val->pauseable_th.pause_xon =
  1855. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1856. config_val->pauseable_th.full_xoff =
  1857. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1858. config_val->pauseable_th.full_xon =
  1859. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1860. /* Non pause able*/
  1861. config_val->non_pauseable_th.pause_xoff =
  1862. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1863. config_val->non_pauseable_th.pause_xon =
  1864. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1865. config_val->non_pauseable_th.full_xoff =
  1866. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1867. config_val->non_pauseable_th.full_xon =
  1868. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1869. } else if (CHIP_IS_E3A0(bp)) {
  1870. /* Class0 defaults */
  1871. config_val->default_class0.pause_xoff =
  1872. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1873. config_val->default_class0.pause_xon =
  1874. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1875. config_val->default_class0.full_xoff =
  1876. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1877. config_val->default_class0.full_xon =
  1878. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1879. /* Pause able */
  1880. config_val->pauseable_th.pause_xoff =
  1881. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1882. config_val->pauseable_th.pause_xon =
  1883. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1884. config_val->pauseable_th.full_xoff =
  1885. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1886. config_val->pauseable_th.full_xon =
  1887. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1888. /* Non pause able*/
  1889. config_val->non_pauseable_th.pause_xoff =
  1890. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1891. config_val->non_pauseable_th.pause_xon =
  1892. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1893. config_val->non_pauseable_th.full_xoff =
  1894. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1895. config_val->non_pauseable_th.full_xon =
  1896. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1897. } else if (CHIP_IS_E3B0(bp)) {
  1898. /* Class0 defaults */
  1899. config_val->default_class0.pause_xoff =
  1900. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1901. config_val->default_class0.pause_xon =
  1902. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1903. config_val->default_class0.full_xoff =
  1904. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1905. config_val->default_class0.full_xon =
  1906. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1907. if (params->phy[INT_PHY].flags &
  1908. FLAGS_4_PORT_MODE) {
  1909. config_val->pauseable_th.pause_xoff =
  1910. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1911. config_val->pauseable_th.pause_xon =
  1912. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1913. config_val->pauseable_th.full_xoff =
  1914. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1915. config_val->pauseable_th.full_xon =
  1916. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1917. /* Non pause able*/
  1918. config_val->non_pauseable_th.pause_xoff =
  1919. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1920. config_val->non_pauseable_th.pause_xon =
  1921. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1922. config_val->non_pauseable_th.full_xoff =
  1923. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1924. config_val->non_pauseable_th.full_xon =
  1925. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1926. } else {
  1927. config_val->pauseable_th.pause_xoff =
  1928. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1929. config_val->pauseable_th.pause_xon =
  1930. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1931. config_val->pauseable_th.full_xoff =
  1932. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1933. config_val->pauseable_th.full_xon =
  1934. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1935. /* Non pause able*/
  1936. config_val->non_pauseable_th.pause_xoff =
  1937. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1938. config_val->non_pauseable_th.pause_xon =
  1939. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1940. config_val->non_pauseable_th.full_xoff =
  1941. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1942. config_val->non_pauseable_th.full_xon =
  1943. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1944. }
  1945. } else
  1946. return -EINVAL;
  1947. return 0;
  1948. }
  1949. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1950. struct link_params *params,
  1951. struct bnx2x_pfc_brb_e3b0_val
  1952. *e3b0_val,
  1953. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1954. const u8 pfc_enabled)
  1955. {
  1956. if (pfc_enabled && pfc_params) {
  1957. e3b0_val->per_class_guaranty_mode = 1;
  1958. e3b0_val->lb_guarantied_hyst = 80;
  1959. if (params->phy[INT_PHY].flags &
  1960. FLAGS_4_PORT_MODE) {
  1961. e3b0_val->full_lb_xoff_th =
  1962. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1963. e3b0_val->full_lb_xon_threshold =
  1964. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1965. e3b0_val->lb_guarantied =
  1966. PFC_E3B0_4P_LB_GUART;
  1967. e3b0_val->mac_0_class_t_guarantied =
  1968. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1969. e3b0_val->mac_0_class_t_guarantied_hyst =
  1970. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1971. e3b0_val->mac_1_class_t_guarantied =
  1972. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1973. e3b0_val->mac_1_class_t_guarantied_hyst =
  1974. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1975. } else {
  1976. e3b0_val->full_lb_xoff_th =
  1977. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1978. e3b0_val->full_lb_xon_threshold =
  1979. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1980. e3b0_val->mac_0_class_t_guarantied_hyst =
  1981. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1982. e3b0_val->mac_1_class_t_guarantied =
  1983. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1984. e3b0_val->mac_1_class_t_guarantied_hyst =
  1985. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1986. if (pfc_params->cos0_pauseable !=
  1987. pfc_params->cos1_pauseable) {
  1988. /* Nonpauseable= Lossy + pauseable = Lossless*/
  1989. e3b0_val->lb_guarantied =
  1990. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1991. e3b0_val->mac_0_class_t_guarantied =
  1992. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1993. } else if (pfc_params->cos0_pauseable) {
  1994. /* Lossless +Lossless*/
  1995. e3b0_val->lb_guarantied =
  1996. PFC_E3B0_2P_PAUSE_LB_GUART;
  1997. e3b0_val->mac_0_class_t_guarantied =
  1998. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1999. } else {
  2000. /* Lossy +Lossy*/
  2001. e3b0_val->lb_guarantied =
  2002. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  2003. e3b0_val->mac_0_class_t_guarantied =
  2004. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  2005. }
  2006. }
  2007. } else {
  2008. e3b0_val->per_class_guaranty_mode = 0;
  2009. e3b0_val->lb_guarantied_hyst = 0;
  2010. e3b0_val->full_lb_xoff_th =
  2011. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  2012. e3b0_val->full_lb_xon_threshold =
  2013. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  2014. e3b0_val->lb_guarantied =
  2015. DEFAULT_E3B0_LB_GUART;
  2016. e3b0_val->mac_0_class_t_guarantied =
  2017. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  2018. e3b0_val->mac_0_class_t_guarantied_hyst =
  2019. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  2020. e3b0_val->mac_1_class_t_guarantied =
  2021. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  2022. e3b0_val->mac_1_class_t_guarantied_hyst =
  2023. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  2024. }
  2025. }
  2026. static int bnx2x_update_pfc_brb(struct link_params *params,
  2027. struct link_vars *vars,
  2028. struct bnx2x_nig_brb_pfc_port_params
  2029. *pfc_params)
  2030. {
  2031. struct bnx2x *bp = params->bp;
  2032. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2033. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2034. &config_val.pauseable_th;
  2035. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2036. const int set_pfc = params->feature_config_flags &
  2037. FEATURE_CONFIG_PFC_ENABLED;
  2038. const u8 pfc_enabled = (set_pfc && pfc_params);
  2039. int bnx2x_status = 0;
  2040. u8 port = params->port;
  2041. /* default - pause configuration */
  2042. reg_th_config = &config_val.pauseable_th;
  2043. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2044. if (bnx2x_status)
  2045. return bnx2x_status;
  2046. if (pfc_enabled) {
  2047. /* First COS */
  2048. if (pfc_params->cos0_pauseable)
  2049. reg_th_config = &config_val.pauseable_th;
  2050. else
  2051. reg_th_config = &config_val.non_pauseable_th;
  2052. } else
  2053. reg_th_config = &config_val.default_class0;
  2054. /* The number of free blocks below which the pause signal to class 0
  2055. * of MAC #n is asserted. n=0,1
  2056. */
  2057. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2058. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2059. reg_th_config->pause_xoff);
  2060. /* The number of free blocks above which the pause signal to class 0
  2061. * of MAC #n is de-asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2065. /* The number of free blocks below which the full signal to class 0
  2066. * of MAC #n is asserted. n=0,1
  2067. */
  2068. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2069. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2070. /* The number of free blocks above which the full signal to class 0
  2071. * of MAC #n is de-asserted. n=0,1
  2072. */
  2073. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2074. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2075. if (pfc_enabled) {
  2076. /* Second COS */
  2077. if (pfc_params->cos1_pauseable)
  2078. reg_th_config = &config_val.pauseable_th;
  2079. else
  2080. reg_th_config = &config_val.non_pauseable_th;
  2081. } else
  2082. reg_th_config = &config_val.default_class1;
  2083. /* The number of free blocks below which the pause signal to
  2084. * class 1 of MAC #n is asserted. n=0,1
  2085. */
  2086. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2087. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2088. reg_th_config->pause_xoff);
  2089. /* The number of free blocks above which the pause signal to
  2090. * class 1 of MAC #n is de-asserted. n=0,1
  2091. */
  2092. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2093. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2094. reg_th_config->pause_xon);
  2095. /* The number of free blocks below which the full signal to
  2096. * class 1 of MAC #n is asserted. n=0,1
  2097. */
  2098. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2099. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2100. reg_th_config->full_xoff);
  2101. /* The number of free blocks above which the full signal to
  2102. * class 1 of MAC #n is de-asserted. n=0,1
  2103. */
  2104. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2105. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2106. reg_th_config->full_xon);
  2107. if (CHIP_IS_E3B0(bp)) {
  2108. bnx2x_pfc_brb_get_e3b0_config_params(
  2109. params,
  2110. &e3b0_val,
  2111. pfc_params,
  2112. pfc_enabled);
  2113. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2114. e3b0_val.per_class_guaranty_mode);
  2115. /* The hysteresis on the guarantied buffer space for the Lb
  2116. * port before signaling XON.
  2117. */
  2118. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2119. e3b0_val.lb_guarantied_hyst);
  2120. /* The number of free blocks below which the full signal to the
  2121. * LB port is asserted.
  2122. */
  2123. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2124. e3b0_val.full_lb_xoff_th);
  2125. /* The number of free blocks above which the full signal to the
  2126. * LB port is de-asserted.
  2127. */
  2128. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2129. e3b0_val.full_lb_xon_threshold);
  2130. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2131. */
  2132. /* The number of blocks guarantied for the LB port. */
  2133. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2134. e3b0_val.lb_guarantied);
  2135. /* The number of blocks guarantied for the MAC #n port. */
  2136. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2137. 2 * e3b0_val.mac_0_class_t_guarantied);
  2138. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2139. 2 * e3b0_val.mac_1_class_t_guarantied);
  2140. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2141. */
  2142. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2143. e3b0_val.mac_0_class_t_guarantied);
  2144. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2145. e3b0_val.mac_0_class_t_guarantied);
  2146. /* The hysteresis on the guarantied buffer space for class in
  2147. * MAC0. t=0,1
  2148. */
  2149. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2150. e3b0_val.mac_0_class_t_guarantied_hyst);
  2151. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2152. e3b0_val.mac_0_class_t_guarantied_hyst);
  2153. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2154. */
  2155. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2156. e3b0_val.mac_1_class_t_guarantied);
  2157. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2158. e3b0_val.mac_1_class_t_guarantied);
  2159. /* The hysteresis on the guarantied buffer space for class #t
  2160. * in MAC1. t=0,1
  2161. */
  2162. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2163. e3b0_val.mac_1_class_t_guarantied_hyst);
  2164. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2165. e3b0_val.mac_1_class_t_guarantied_hyst);
  2166. }
  2167. return bnx2x_status;
  2168. }
  2169. /******************************************************************************
  2170. * Description:
  2171. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2172. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2173. ******************************************************************************/
  2174. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2175. u8 cos_entry,
  2176. u32 priority_mask, u8 port)
  2177. {
  2178. u32 nig_reg_rx_priority_mask_add = 0;
  2179. switch (cos_entry) {
  2180. case 0:
  2181. nig_reg_rx_priority_mask_add = (port) ?
  2182. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2183. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2184. break;
  2185. case 1:
  2186. nig_reg_rx_priority_mask_add = (port) ?
  2187. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2188. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2189. break;
  2190. case 2:
  2191. nig_reg_rx_priority_mask_add = (port) ?
  2192. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2193. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2194. break;
  2195. case 3:
  2196. if (port)
  2197. return -EINVAL;
  2198. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2199. break;
  2200. case 4:
  2201. if (port)
  2202. return -EINVAL;
  2203. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2204. break;
  2205. case 5:
  2206. if (port)
  2207. return -EINVAL;
  2208. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2209. break;
  2210. }
  2211. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2212. return 0;
  2213. }
  2214. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2215. {
  2216. struct bnx2x *bp = params->bp;
  2217. REG_WR(bp, params->shmem_base +
  2218. offsetof(struct shmem_region,
  2219. port_mb[params->port].link_status), link_status);
  2220. }
  2221. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2222. {
  2223. struct bnx2x *bp = params->bp;
  2224. if (bnx2x_eee_has_cap(params))
  2225. REG_WR(bp, params->shmem2_base +
  2226. offsetof(struct shmem2_region,
  2227. eee_status[params->port]), eee_status);
  2228. }
  2229. static void bnx2x_update_pfc_nig(struct link_params *params,
  2230. struct link_vars *vars,
  2231. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2232. {
  2233. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2234. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2235. u32 pkt_priority_to_cos = 0;
  2236. struct bnx2x *bp = params->bp;
  2237. u8 port = params->port;
  2238. int set_pfc = params->feature_config_flags &
  2239. FEATURE_CONFIG_PFC_ENABLED;
  2240. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2241. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2242. * MAC control frames (that are not pause packets)
  2243. * will be forwarded to the XCM.
  2244. */
  2245. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2246. NIG_REG_LLH0_XCM_MASK);
  2247. /* NIG params will override non PFC params, since it's possible to
  2248. * do transition from PFC to SAFC
  2249. */
  2250. if (set_pfc) {
  2251. pause_enable = 0;
  2252. llfc_out_en = 0;
  2253. llfc_enable = 0;
  2254. if (CHIP_IS_E3(bp))
  2255. ppp_enable = 0;
  2256. else
  2257. ppp_enable = 1;
  2258. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2259. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2260. xcm_out_en = 0;
  2261. hwpfc_enable = 1;
  2262. } else {
  2263. if (nig_params) {
  2264. llfc_out_en = nig_params->llfc_out_en;
  2265. llfc_enable = nig_params->llfc_enable;
  2266. pause_enable = nig_params->pause_enable;
  2267. } else /* Default non PFC mode - PAUSE */
  2268. pause_enable = 1;
  2269. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2270. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2271. xcm_out_en = 1;
  2272. }
  2273. if (CHIP_IS_E3(bp))
  2274. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2275. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2276. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2277. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2278. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2279. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2280. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2281. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2282. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2283. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2284. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2285. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2286. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2287. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2288. /* Output enable for RX_XCM # IF */
  2289. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2290. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2291. /* HW PFC TX enable */
  2292. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2293. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2294. if (nig_params) {
  2295. u8 i = 0;
  2296. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2297. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2298. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2299. nig_params->rx_cos_priority_mask[i], port);
  2300. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2301. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2302. nig_params->llfc_high_priority_classes);
  2303. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2304. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2305. nig_params->llfc_low_priority_classes);
  2306. }
  2307. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2308. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2309. pkt_priority_to_cos);
  2310. }
  2311. int bnx2x_update_pfc(struct link_params *params,
  2312. struct link_vars *vars,
  2313. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2314. {
  2315. /* The PFC and pause are orthogonal to one another, meaning when
  2316. * PFC is enabled, the pause are disabled, and when PFC is
  2317. * disabled, pause are set according to the pause result.
  2318. */
  2319. u32 val;
  2320. struct bnx2x *bp = params->bp;
  2321. int bnx2x_status = 0;
  2322. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2323. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2324. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2325. else
  2326. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2327. bnx2x_update_mng(params, vars->link_status);
  2328. /* Update NIG params */
  2329. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2330. /* Update BRB params */
  2331. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2332. if (bnx2x_status)
  2333. return bnx2x_status;
  2334. if (!vars->link_up)
  2335. return bnx2x_status;
  2336. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2337. if (CHIP_IS_E3(bp))
  2338. bnx2x_update_pfc_xmac(params, vars, 0);
  2339. else {
  2340. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2341. if ((val &
  2342. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2343. == 0) {
  2344. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2345. bnx2x_emac_enable(params, vars, 0);
  2346. return bnx2x_status;
  2347. }
  2348. if (CHIP_IS_E2(bp))
  2349. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2350. else
  2351. bnx2x_update_pfc_bmac1(params, vars);
  2352. val = 0;
  2353. if ((params->feature_config_flags &
  2354. FEATURE_CONFIG_PFC_ENABLED) ||
  2355. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2356. val = 1;
  2357. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2358. }
  2359. return bnx2x_status;
  2360. }
  2361. static int bnx2x_bmac1_enable(struct link_params *params,
  2362. struct link_vars *vars,
  2363. u8 is_lb)
  2364. {
  2365. struct bnx2x *bp = params->bp;
  2366. u8 port = params->port;
  2367. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2368. NIG_REG_INGRESS_BMAC0_MEM;
  2369. u32 wb_data[2];
  2370. u32 val;
  2371. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2372. /* XGXS control */
  2373. wb_data[0] = 0x3c;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2376. wb_data, 2);
  2377. /* TX MAC SA */
  2378. wb_data[0] = ((params->mac_addr[2] << 24) |
  2379. (params->mac_addr[3] << 16) |
  2380. (params->mac_addr[4] << 8) |
  2381. params->mac_addr[5]);
  2382. wb_data[1] = ((params->mac_addr[0] << 8) |
  2383. params->mac_addr[1]);
  2384. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2385. /* MAC control */
  2386. val = 0x3;
  2387. if (is_lb) {
  2388. val |= 0x4;
  2389. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2390. }
  2391. wb_data[0] = val;
  2392. wb_data[1] = 0;
  2393. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2394. /* Set rx mtu */
  2395. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2396. wb_data[1] = 0;
  2397. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2398. bnx2x_update_pfc_bmac1(params, vars);
  2399. /* Set tx mtu */
  2400. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2401. wb_data[1] = 0;
  2402. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2403. /* Set cnt max size */
  2404. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2405. wb_data[1] = 0;
  2406. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2407. /* Configure SAFC */
  2408. wb_data[0] = 0x1000200;
  2409. wb_data[1] = 0;
  2410. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2411. wb_data, 2);
  2412. return 0;
  2413. }
  2414. static int bnx2x_bmac2_enable(struct link_params *params,
  2415. struct link_vars *vars,
  2416. u8 is_lb)
  2417. {
  2418. struct bnx2x *bp = params->bp;
  2419. u8 port = params->port;
  2420. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2421. NIG_REG_INGRESS_BMAC0_MEM;
  2422. u32 wb_data[2];
  2423. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2424. wb_data[0] = 0;
  2425. wb_data[1] = 0;
  2426. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2427. udelay(30);
  2428. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2429. wb_data[0] = 0x3c;
  2430. wb_data[1] = 0;
  2431. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2432. wb_data, 2);
  2433. udelay(30);
  2434. /* TX MAC SA */
  2435. wb_data[0] = ((params->mac_addr[2] << 24) |
  2436. (params->mac_addr[3] << 16) |
  2437. (params->mac_addr[4] << 8) |
  2438. params->mac_addr[5]);
  2439. wb_data[1] = ((params->mac_addr[0] << 8) |
  2440. params->mac_addr[1]);
  2441. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2442. wb_data, 2);
  2443. udelay(30);
  2444. /* Configure SAFC */
  2445. wb_data[0] = 0x1000200;
  2446. wb_data[1] = 0;
  2447. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2448. wb_data, 2);
  2449. udelay(30);
  2450. /* Set RX MTU */
  2451. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2452. wb_data[1] = 0;
  2453. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2454. udelay(30);
  2455. /* Set TX MTU */
  2456. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2457. wb_data[1] = 0;
  2458. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2459. udelay(30);
  2460. /* Set cnt max size */
  2461. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2462. wb_data[1] = 0;
  2463. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2464. udelay(30);
  2465. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2466. return 0;
  2467. }
  2468. static int bnx2x_bmac_enable(struct link_params *params,
  2469. struct link_vars *vars,
  2470. u8 is_lb)
  2471. {
  2472. int rc = 0;
  2473. u8 port = params->port;
  2474. struct bnx2x *bp = params->bp;
  2475. u32 val;
  2476. /* Reset and unreset the BigMac */
  2477. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2478. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2479. usleep_range(1000, 2000);
  2480. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2481. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2482. /* Enable access for bmac registers */
  2483. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2484. /* Enable BMAC according to BMAC type*/
  2485. if (CHIP_IS_E2(bp))
  2486. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2487. else
  2488. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2489. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2490. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2491. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2492. val = 0;
  2493. if ((params->feature_config_flags &
  2494. FEATURE_CONFIG_PFC_ENABLED) ||
  2495. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2496. val = 1;
  2497. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2498. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2499. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2500. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2501. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2502. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2503. vars->mac_type = MAC_TYPE_BMAC;
  2504. return rc;
  2505. }
  2506. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2507. {
  2508. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2509. NIG_REG_INGRESS_BMAC0_MEM;
  2510. u32 wb_data[2];
  2511. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2512. /* Only if the bmac is out of reset */
  2513. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2514. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2515. nig_bmac_enable) {
  2516. if (CHIP_IS_E2(bp)) {
  2517. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2518. REG_RD_DMAE(bp, bmac_addr +
  2519. BIGMAC2_REGISTER_BMAC_CONTROL,
  2520. wb_data, 2);
  2521. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2522. REG_WR_DMAE(bp, bmac_addr +
  2523. BIGMAC2_REGISTER_BMAC_CONTROL,
  2524. wb_data, 2);
  2525. } else {
  2526. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2527. REG_RD_DMAE(bp, bmac_addr +
  2528. BIGMAC_REGISTER_BMAC_CONTROL,
  2529. wb_data, 2);
  2530. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2531. REG_WR_DMAE(bp, bmac_addr +
  2532. BIGMAC_REGISTER_BMAC_CONTROL,
  2533. wb_data, 2);
  2534. }
  2535. usleep_range(1000, 2000);
  2536. }
  2537. }
  2538. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2539. u32 line_speed)
  2540. {
  2541. struct bnx2x *bp = params->bp;
  2542. u8 port = params->port;
  2543. u32 init_crd, crd;
  2544. u32 count = 1000;
  2545. /* Disable port */
  2546. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2547. /* Wait for init credit */
  2548. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2549. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2550. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2551. while ((init_crd != crd) && count) {
  2552. usleep_range(5000, 10000);
  2553. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2554. count--;
  2555. }
  2556. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2557. if (init_crd != crd) {
  2558. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2559. init_crd, crd);
  2560. return -EINVAL;
  2561. }
  2562. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2563. line_speed == SPEED_10 ||
  2564. line_speed == SPEED_100 ||
  2565. line_speed == SPEED_1000 ||
  2566. line_speed == SPEED_2500) {
  2567. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2568. /* Update threshold */
  2569. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2570. /* Update init credit */
  2571. init_crd = 778; /* (800-18-4) */
  2572. } else {
  2573. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2574. ETH_OVREHEAD)/16;
  2575. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2576. /* Update threshold */
  2577. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2578. /* Update init credit */
  2579. switch (line_speed) {
  2580. case SPEED_10000:
  2581. init_crd = thresh + 553 - 22;
  2582. break;
  2583. default:
  2584. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2585. line_speed);
  2586. return -EINVAL;
  2587. }
  2588. }
  2589. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2590. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2591. line_speed, init_crd);
  2592. /* Probe the credit changes */
  2593. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2594. usleep_range(5000, 10000);
  2595. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2596. /* Enable port */
  2597. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2598. return 0;
  2599. }
  2600. /**
  2601. * bnx2x_get_emac_base - retrive emac base address
  2602. *
  2603. * @bp: driver handle
  2604. * @mdc_mdio_access: access type
  2605. * @port: port id
  2606. *
  2607. * This function selects the MDC/MDIO access (through emac0 or
  2608. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2609. * phy has a default access mode, which could also be overridden
  2610. * by nvram configuration. This parameter, whether this is the
  2611. * default phy configuration, or the nvram overrun
  2612. * configuration, is passed here as mdc_mdio_access and selects
  2613. * the emac_base for the CL45 read/writes operations
  2614. */
  2615. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2616. u32 mdc_mdio_access, u8 port)
  2617. {
  2618. u32 emac_base = 0;
  2619. switch (mdc_mdio_access) {
  2620. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2621. break;
  2622. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2623. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2624. emac_base = GRCBASE_EMAC1;
  2625. else
  2626. emac_base = GRCBASE_EMAC0;
  2627. break;
  2628. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2629. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2630. emac_base = GRCBASE_EMAC0;
  2631. else
  2632. emac_base = GRCBASE_EMAC1;
  2633. break;
  2634. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2635. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2636. break;
  2637. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2638. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2639. break;
  2640. default:
  2641. break;
  2642. }
  2643. return emac_base;
  2644. }
  2645. /******************************************************************/
  2646. /* CL22 access functions */
  2647. /******************************************************************/
  2648. static int bnx2x_cl22_write(struct bnx2x *bp,
  2649. struct bnx2x_phy *phy,
  2650. u16 reg, u16 val)
  2651. {
  2652. u32 tmp, mode;
  2653. u8 i;
  2654. int rc = 0;
  2655. /* Switch to CL22 */
  2656. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2657. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2658. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2659. /* Address */
  2660. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2661. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2662. EMAC_MDIO_COMM_START_BUSY);
  2663. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2664. for (i = 0; i < 50; i++) {
  2665. udelay(10);
  2666. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2667. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2668. udelay(5);
  2669. break;
  2670. }
  2671. }
  2672. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2673. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2674. rc = -EFAULT;
  2675. }
  2676. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2677. return rc;
  2678. }
  2679. static int bnx2x_cl22_read(struct bnx2x *bp,
  2680. struct bnx2x_phy *phy,
  2681. u16 reg, u16 *ret_val)
  2682. {
  2683. u32 val, mode;
  2684. u16 i;
  2685. int rc = 0;
  2686. /* Switch to CL22 */
  2687. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2688. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2689. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2690. /* Address */
  2691. val = ((phy->addr << 21) | (reg << 16) |
  2692. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2693. EMAC_MDIO_COMM_START_BUSY);
  2694. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2695. for (i = 0; i < 50; i++) {
  2696. udelay(10);
  2697. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2698. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2699. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2700. udelay(5);
  2701. break;
  2702. }
  2703. }
  2704. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2705. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2706. *ret_val = 0;
  2707. rc = -EFAULT;
  2708. }
  2709. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2710. return rc;
  2711. }
  2712. /******************************************************************/
  2713. /* CL45 access functions */
  2714. /******************************************************************/
  2715. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2716. u8 devad, u16 reg, u16 *ret_val)
  2717. {
  2718. u32 val;
  2719. u16 i;
  2720. int rc = 0;
  2721. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2722. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2723. EMAC_MDIO_STATUS_10MB);
  2724. /* Address */
  2725. val = ((phy->addr << 21) | (devad << 16) | reg |
  2726. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2727. EMAC_MDIO_COMM_START_BUSY);
  2728. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2729. for (i = 0; i < 50; i++) {
  2730. udelay(10);
  2731. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2732. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2733. udelay(5);
  2734. break;
  2735. }
  2736. }
  2737. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2738. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2739. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2740. *ret_val = 0;
  2741. rc = -EFAULT;
  2742. } else {
  2743. /* Data */
  2744. val = ((phy->addr << 21) | (devad << 16) |
  2745. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2746. EMAC_MDIO_COMM_START_BUSY);
  2747. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2748. for (i = 0; i < 50; i++) {
  2749. udelay(10);
  2750. val = REG_RD(bp, phy->mdio_ctrl +
  2751. EMAC_REG_EMAC_MDIO_COMM);
  2752. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2753. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2754. break;
  2755. }
  2756. }
  2757. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2758. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2759. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2760. *ret_val = 0;
  2761. rc = -EFAULT;
  2762. }
  2763. }
  2764. /* Work around for E3 A0 */
  2765. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2766. phy->flags ^= FLAGS_DUMMY_READ;
  2767. if (phy->flags & FLAGS_DUMMY_READ) {
  2768. u16 temp_val;
  2769. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2770. }
  2771. }
  2772. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2773. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2774. EMAC_MDIO_STATUS_10MB);
  2775. return rc;
  2776. }
  2777. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2778. u8 devad, u16 reg, u16 val)
  2779. {
  2780. u32 tmp;
  2781. u8 i;
  2782. int rc = 0;
  2783. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2784. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2785. EMAC_MDIO_STATUS_10MB);
  2786. /* Address */
  2787. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2788. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2789. EMAC_MDIO_COMM_START_BUSY);
  2790. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2791. for (i = 0; i < 50; i++) {
  2792. udelay(10);
  2793. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2794. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2795. udelay(5);
  2796. break;
  2797. }
  2798. }
  2799. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2800. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2801. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2802. rc = -EFAULT;
  2803. } else {
  2804. /* Data */
  2805. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2806. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2807. EMAC_MDIO_COMM_START_BUSY);
  2808. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2809. for (i = 0; i < 50; i++) {
  2810. udelay(10);
  2811. tmp = REG_RD(bp, phy->mdio_ctrl +
  2812. EMAC_REG_EMAC_MDIO_COMM);
  2813. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2814. udelay(5);
  2815. break;
  2816. }
  2817. }
  2818. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2819. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2820. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2821. rc = -EFAULT;
  2822. }
  2823. }
  2824. /* Work around for E3 A0 */
  2825. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2826. phy->flags ^= FLAGS_DUMMY_READ;
  2827. if (phy->flags & FLAGS_DUMMY_READ) {
  2828. u16 temp_val;
  2829. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2830. }
  2831. }
  2832. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2833. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2834. EMAC_MDIO_STATUS_10MB);
  2835. return rc;
  2836. }
  2837. /******************************************************************/
  2838. /* BSC access functions from E3 */
  2839. /******************************************************************/
  2840. static void bnx2x_bsc_module_sel(struct link_params *params)
  2841. {
  2842. int idx;
  2843. u32 board_cfg, sfp_ctrl;
  2844. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2845. struct bnx2x *bp = params->bp;
  2846. u8 port = params->port;
  2847. /* Read I2C output PINs */
  2848. board_cfg = REG_RD(bp, params->shmem_base +
  2849. offsetof(struct shmem_region,
  2850. dev_info.shared_hw_config.board));
  2851. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2852. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2853. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2854. /* Read I2C output value */
  2855. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2856. offsetof(struct shmem_region,
  2857. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2858. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2859. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2860. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2861. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2862. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2863. }
  2864. static int bnx2x_bsc_read(struct link_params *params,
  2865. struct bnx2x_phy *phy,
  2866. u8 sl_devid,
  2867. u16 sl_addr,
  2868. u8 lc_addr,
  2869. u8 xfer_cnt,
  2870. u32 *data_array)
  2871. {
  2872. u32 val, i;
  2873. int rc = 0;
  2874. struct bnx2x *bp = params->bp;
  2875. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2876. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2877. return -EINVAL;
  2878. }
  2879. if (xfer_cnt > 16) {
  2880. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2881. xfer_cnt);
  2882. return -EINVAL;
  2883. }
  2884. bnx2x_bsc_module_sel(params);
  2885. xfer_cnt = 16 - lc_addr;
  2886. /* Enable the engine */
  2887. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2888. val |= MCPR_IMC_COMMAND_ENABLE;
  2889. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2890. /* Program slave device ID */
  2891. val = (sl_devid << 16) | sl_addr;
  2892. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2893. /* Start xfer with 0 byte to update the address pointer ???*/
  2894. val = (MCPR_IMC_COMMAND_ENABLE) |
  2895. (MCPR_IMC_COMMAND_WRITE_OP <<
  2896. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2897. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2898. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2899. /* Poll for completion */
  2900. i = 0;
  2901. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2902. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2903. udelay(10);
  2904. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2905. if (i++ > 1000) {
  2906. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2907. i);
  2908. rc = -EFAULT;
  2909. break;
  2910. }
  2911. }
  2912. if (rc == -EFAULT)
  2913. return rc;
  2914. /* Start xfer with read op */
  2915. val = (MCPR_IMC_COMMAND_ENABLE) |
  2916. (MCPR_IMC_COMMAND_READ_OP <<
  2917. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2918. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2919. (xfer_cnt);
  2920. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2921. /* Poll for completion */
  2922. i = 0;
  2923. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2924. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2925. udelay(10);
  2926. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2927. if (i++ > 1000) {
  2928. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2929. rc = -EFAULT;
  2930. break;
  2931. }
  2932. }
  2933. if (rc == -EFAULT)
  2934. return rc;
  2935. for (i = (lc_addr >> 2); i < 4; i++) {
  2936. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2937. #ifdef __BIG_ENDIAN
  2938. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2939. ((data_array[i] & 0x0000ff00) << 8) |
  2940. ((data_array[i] & 0x00ff0000) >> 8) |
  2941. ((data_array[i] & 0xff000000) >> 24);
  2942. #endif
  2943. }
  2944. return rc;
  2945. }
  2946. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2947. u8 devad, u16 reg, u16 or_val)
  2948. {
  2949. u16 val;
  2950. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2951. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2952. }
  2953. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2954. u8 devad, u16 reg, u16 *ret_val)
  2955. {
  2956. u8 phy_index;
  2957. /* Probe for the phy according to the given phy_addr, and execute
  2958. * the read request on it
  2959. */
  2960. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2961. if (params->phy[phy_index].addr == phy_addr) {
  2962. return bnx2x_cl45_read(params->bp,
  2963. &params->phy[phy_index], devad,
  2964. reg, ret_val);
  2965. }
  2966. }
  2967. return -EINVAL;
  2968. }
  2969. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2970. u8 devad, u16 reg, u16 val)
  2971. {
  2972. u8 phy_index;
  2973. /* Probe for the phy according to the given phy_addr, and execute
  2974. * the write request on it
  2975. */
  2976. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2977. if (params->phy[phy_index].addr == phy_addr) {
  2978. return bnx2x_cl45_write(params->bp,
  2979. &params->phy[phy_index], devad,
  2980. reg, val);
  2981. }
  2982. }
  2983. return -EINVAL;
  2984. }
  2985. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2986. struct link_params *params)
  2987. {
  2988. u8 lane = 0;
  2989. struct bnx2x *bp = params->bp;
  2990. u32 path_swap, path_swap_ovr;
  2991. u8 path, port;
  2992. path = BP_PATH(bp);
  2993. port = params->port;
  2994. if (bnx2x_is_4_port_mode(bp)) {
  2995. u32 port_swap, port_swap_ovr;
  2996. /* Figure out path swap value */
  2997. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2998. if (path_swap_ovr & 0x1)
  2999. path_swap = (path_swap_ovr & 0x2);
  3000. else
  3001. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3002. if (path_swap)
  3003. path = path ^ 1;
  3004. /* Figure out port swap value */
  3005. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3006. if (port_swap_ovr & 0x1)
  3007. port_swap = (port_swap_ovr & 0x2);
  3008. else
  3009. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3010. if (port_swap)
  3011. port = port ^ 1;
  3012. lane = (port<<1) + path;
  3013. } else { /* Two port mode - no port swap */
  3014. /* Figure out path swap value */
  3015. path_swap_ovr =
  3016. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3017. if (path_swap_ovr & 0x1) {
  3018. path_swap = (path_swap_ovr & 0x2);
  3019. } else {
  3020. path_swap =
  3021. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3022. }
  3023. if (path_swap)
  3024. path = path ^ 1;
  3025. lane = path << 1 ;
  3026. }
  3027. return lane;
  3028. }
  3029. static void bnx2x_set_aer_mmd(struct link_params *params,
  3030. struct bnx2x_phy *phy)
  3031. {
  3032. u32 ser_lane;
  3033. u16 offset, aer_val;
  3034. struct bnx2x *bp = params->bp;
  3035. ser_lane = ((params->lane_config &
  3036. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3037. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3038. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3039. (phy->addr + ser_lane) : 0;
  3040. if (USES_WARPCORE(bp)) {
  3041. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3042. /* In Dual-lane mode, two lanes are joined together,
  3043. * so in order to configure them, the AER broadcast method is
  3044. * used here.
  3045. * 0x200 is the broadcast address for lanes 0,1
  3046. * 0x201 is the broadcast address for lanes 2,3
  3047. */
  3048. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3049. aer_val = (aer_val >> 1) | 0x200;
  3050. } else if (CHIP_IS_E2(bp))
  3051. aer_val = 0x3800 + offset - 1;
  3052. else
  3053. aer_val = 0x3800 + offset;
  3054. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3055. MDIO_AER_BLOCK_AER_REG, aer_val);
  3056. }
  3057. /******************************************************************/
  3058. /* Internal phy section */
  3059. /******************************************************************/
  3060. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3061. {
  3062. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3063. /* Set Clause 22 */
  3064. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3065. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3066. udelay(500);
  3067. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3068. udelay(500);
  3069. /* Set Clause 45 */
  3070. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3071. }
  3072. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3073. {
  3074. u32 val;
  3075. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3076. val = SERDES_RESET_BITS << (port*16);
  3077. /* Reset and unreset the SerDes/XGXS */
  3078. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3079. udelay(500);
  3080. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3081. bnx2x_set_serdes_access(bp, port);
  3082. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3083. DEFAULT_PHY_DEV_ADDR);
  3084. }
  3085. static void bnx2x_xgxs_deassert(struct link_params *params)
  3086. {
  3087. struct bnx2x *bp = params->bp;
  3088. u8 port;
  3089. u32 val;
  3090. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3091. port = params->port;
  3092. val = XGXS_RESET_BITS << (port*16);
  3093. /* Reset and unreset the SerDes/XGXS */
  3094. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3095. udelay(500);
  3096. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3097. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3098. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3099. params->phy[INT_PHY].def_md_devad);
  3100. }
  3101. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3102. struct link_params *params, u16 *ieee_fc)
  3103. {
  3104. struct bnx2x *bp = params->bp;
  3105. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3106. /* Resolve pause mode and advertisement Please refer to Table
  3107. * 28B-3 of the 802.3ab-1999 spec
  3108. */
  3109. switch (phy->req_flow_ctrl) {
  3110. case BNX2X_FLOW_CTRL_AUTO:
  3111. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3112. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3113. else
  3114. *ieee_fc |=
  3115. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3116. break;
  3117. case BNX2X_FLOW_CTRL_TX:
  3118. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3119. break;
  3120. case BNX2X_FLOW_CTRL_RX:
  3121. case BNX2X_FLOW_CTRL_BOTH:
  3122. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3123. break;
  3124. case BNX2X_FLOW_CTRL_NONE:
  3125. default:
  3126. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3127. break;
  3128. }
  3129. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3130. }
  3131. static void set_phy_vars(struct link_params *params,
  3132. struct link_vars *vars)
  3133. {
  3134. struct bnx2x *bp = params->bp;
  3135. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3136. u8 phy_config_swapped = params->multi_phy_config &
  3137. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3138. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3139. phy_index++) {
  3140. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3141. actual_phy_idx = phy_index;
  3142. if (phy_config_swapped) {
  3143. if (phy_index == EXT_PHY1)
  3144. actual_phy_idx = EXT_PHY2;
  3145. else if (phy_index == EXT_PHY2)
  3146. actual_phy_idx = EXT_PHY1;
  3147. }
  3148. params->phy[actual_phy_idx].req_flow_ctrl =
  3149. params->req_flow_ctrl[link_cfg_idx];
  3150. params->phy[actual_phy_idx].req_line_speed =
  3151. params->req_line_speed[link_cfg_idx];
  3152. params->phy[actual_phy_idx].speed_cap_mask =
  3153. params->speed_cap_mask[link_cfg_idx];
  3154. params->phy[actual_phy_idx].req_duplex =
  3155. params->req_duplex[link_cfg_idx];
  3156. if (params->req_line_speed[link_cfg_idx] ==
  3157. SPEED_AUTO_NEG)
  3158. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3159. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3160. " speed_cap_mask %x\n",
  3161. params->phy[actual_phy_idx].req_flow_ctrl,
  3162. params->phy[actual_phy_idx].req_line_speed,
  3163. params->phy[actual_phy_idx].speed_cap_mask);
  3164. }
  3165. }
  3166. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3167. struct bnx2x_phy *phy,
  3168. struct link_vars *vars)
  3169. {
  3170. u16 val;
  3171. struct bnx2x *bp = params->bp;
  3172. /* Read modify write pause advertizing */
  3173. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3174. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3175. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3176. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3177. if ((vars->ieee_fc &
  3178. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3179. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3180. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3181. }
  3182. if ((vars->ieee_fc &
  3183. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3185. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3186. }
  3187. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3188. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3189. }
  3190. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3191. { /* LD LP */
  3192. switch (pause_result) { /* ASYM P ASYM P */
  3193. case 0xb: /* 1 0 1 1 */
  3194. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3195. break;
  3196. case 0xe: /* 1 1 1 0 */
  3197. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3198. break;
  3199. case 0x5: /* 0 1 0 1 */
  3200. case 0x7: /* 0 1 1 1 */
  3201. case 0xd: /* 1 1 0 1 */
  3202. case 0xf: /* 1 1 1 1 */
  3203. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3204. break;
  3205. default:
  3206. break;
  3207. }
  3208. if (pause_result & (1<<0))
  3209. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3210. if (pause_result & (1<<1))
  3211. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3212. }
  3213. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3214. struct link_params *params,
  3215. struct link_vars *vars)
  3216. {
  3217. u16 ld_pause; /* local */
  3218. u16 lp_pause; /* link partner */
  3219. u16 pause_result;
  3220. struct bnx2x *bp = params->bp;
  3221. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3222. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3223. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3224. } else if (CHIP_IS_E3(bp) &&
  3225. SINGLE_MEDIA_DIRECT(params)) {
  3226. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3227. u16 gp_status, gp_mask;
  3228. bnx2x_cl45_read(bp, phy,
  3229. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3230. &gp_status);
  3231. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3232. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3233. lane;
  3234. if ((gp_status & gp_mask) == gp_mask) {
  3235. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3236. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3237. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3238. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3239. } else {
  3240. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3241. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3242. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3243. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3244. ld_pause = ((ld_pause &
  3245. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3246. << 3);
  3247. lp_pause = ((lp_pause &
  3248. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3249. << 3);
  3250. }
  3251. } else {
  3252. bnx2x_cl45_read(bp, phy,
  3253. MDIO_AN_DEVAD,
  3254. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3255. bnx2x_cl45_read(bp, phy,
  3256. MDIO_AN_DEVAD,
  3257. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3258. }
  3259. pause_result = (ld_pause &
  3260. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3261. pause_result |= (lp_pause &
  3262. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3263. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3264. bnx2x_pause_resolve(vars, pause_result);
  3265. }
  3266. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3267. struct link_params *params,
  3268. struct link_vars *vars)
  3269. {
  3270. u8 ret = 0;
  3271. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3272. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3273. /* Update the advertised flow-controled of LD/LP in AN */
  3274. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3275. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3276. /* But set the flow-control result as the requested one */
  3277. vars->flow_ctrl = phy->req_flow_ctrl;
  3278. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3279. vars->flow_ctrl = params->req_fc_auto_adv;
  3280. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3281. ret = 1;
  3282. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3283. }
  3284. return ret;
  3285. }
  3286. /******************************************************************/
  3287. /* Warpcore section */
  3288. /******************************************************************/
  3289. /* The init_internal_warpcore should mirror the xgxs,
  3290. * i.e. reset the lane (if needed), set aer for the
  3291. * init configuration, and set/clear SGMII flag. Internal
  3292. * phy init is done purely in phy_init stage.
  3293. */
  3294. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3295. struct link_params *params,
  3296. struct link_vars *vars) {
  3297. u16 val16 = 0, lane, i;
  3298. struct bnx2x *bp = params->bp;
  3299. static struct bnx2x_reg_set reg_set[] = {
  3300. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3301. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3302. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
  3303. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3304. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3305. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3306. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3307. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3308. /* Disable Autoneg: re-enable it after adv is done. */
  3309. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3310. };
  3311. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3312. /* Set to default registers that may be overriden by 10G force */
  3313. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3314. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3315. reg_set[i].val);
  3316. /* Check adding advertisement for 1G KX */
  3317. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3318. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3319. (vars->line_speed == SPEED_1000)) {
  3320. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3321. val16 |= (1<<5);
  3322. /* Enable CL37 1G Parallel Detect */
  3323. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3324. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3325. }
  3326. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3327. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3328. (vars->line_speed == SPEED_10000)) {
  3329. /* Check adding advertisement for 10G KR */
  3330. val16 |= (1<<7);
  3331. /* Enable 10G Parallel Detect */
  3332. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3333. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3334. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3335. }
  3336. /* Set Transmit PMD settings */
  3337. lane = bnx2x_get_warpcore_lane(phy, params);
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3340. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3341. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3342. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3345. 0x03f0);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3348. 0x03f0);
  3349. /* Advertised speeds */
  3350. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3351. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3352. /* Advertised and set FEC (Forward Error Correction) */
  3353. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3354. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3355. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3356. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3357. /* Enable CL37 BAM */
  3358. if (REG_RD(bp, params->shmem_base +
  3359. offsetof(struct shmem_region, dev_info.
  3360. port_hw_config[params->port].default_cfg)) &
  3361. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3362. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3364. 1);
  3365. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3366. }
  3367. /* Advertise pause */
  3368. bnx2x_ext_phy_set_pause(params, phy, vars);
  3369. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3370. */
  3371. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3373. if (val16 < 0xd108) {
  3374. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3375. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3376. }
  3377. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3379. /* Over 1G - AN local device user page 1 */
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3382. /* Enable Autoneg */
  3383. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3384. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3385. }
  3386. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3387. struct link_params *params,
  3388. struct link_vars *vars)
  3389. {
  3390. struct bnx2x *bp = params->bp;
  3391. u16 i;
  3392. static struct bnx2x_reg_set reg_set[] = {
  3393. /* Disable Autoneg */
  3394. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3395. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3396. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3397. 0x3f00},
  3398. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3399. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3400. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3402. /* Disable CL36 PCS Tx */
  3403. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3404. /* Double Wide Single Data Rate @ pll rate */
  3405. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3406. /* Leave cl72 training enable, needed for KR */
  3407. {MDIO_PMA_DEVAD,
  3408. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3409. 0x2}
  3410. };
  3411. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3412. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3413. reg_set[i].val);
  3414. /* Leave CL72 enabled */
  3415. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3417. 0x3800);
  3418. /* Set speed via PMA/PMD register */
  3419. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3420. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3421. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3422. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3423. /* Enable encoded forced speed */
  3424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3426. /* Turn TX scramble payload only the 64/66 scrambler */
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3429. /* Turn RX scramble payload only the 64/66 scrambler */
  3430. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3432. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3433. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3437. }
  3438. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3439. struct link_params *params,
  3440. u8 is_xfi)
  3441. {
  3442. struct bnx2x *bp = params->bp;
  3443. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3444. /* Hold rxSeqStart */
  3445. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3447. /* Hold tx_fifo_reset */
  3448. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3450. /* Disable CL73 AN */
  3451. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3452. /* Disable 100FX Enable and Auto-Detect */
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_FX100_CTRL1, &val);
  3455. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3457. /* Disable 100FX Idle detect */
  3458. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3460. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3461. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3463. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3465. /* Turn off auto-detect & fiber mode */
  3466. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3468. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3470. (val & 0xFFEE));
  3471. /* Set filter_force_link, disable_false_link and parallel_detect */
  3472. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3476. ((val | 0x0006) & 0xFFFE));
  3477. /* Set XFI / SFI */
  3478. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3480. misc1_val &= ~(0x1f);
  3481. if (is_xfi) {
  3482. misc1_val |= 0x5;
  3483. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3484. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3485. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3486. tx_driver_val =
  3487. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3488. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3489. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3490. } else {
  3491. misc1_val |= 0x9;
  3492. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3493. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3494. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3495. tx_driver_val =
  3496. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3497. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3498. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3499. }
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3502. /* Set Transmit PMD settings */
  3503. lane = bnx2x_get_warpcore_lane(phy, params);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_TX_FIR_TAP,
  3506. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3509. tx_driver_val);
  3510. /* Enable fiber mode, enable and invert sig_det */
  3511. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3513. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3514. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3516. /* Enable LPI pass through */
  3517. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_EEE_COMBO_CONTROL0,
  3520. 0x7c);
  3521. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3523. /* 10G XFI Full Duplex */
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3526. /* Release tx_fifo_reset */
  3527. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3529. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3531. /* Release rxSeqStart */
  3532. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3536. }
  3537. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3538. struct bnx2x_phy *phy)
  3539. {
  3540. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3541. }
  3542. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3543. struct bnx2x_phy *phy,
  3544. u16 lane)
  3545. {
  3546. /* Rx0 anaRxControl1G */
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3549. /* Rx2 anaRxControl1G */
  3550. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3552. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3556. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3568. /* Serdes Digital Misc1 */
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3571. /* Serdes Digital4 Misc3 */
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3574. /* Set Transmit PMD settings */
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_TX_FIR_TAP,
  3577. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3578. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3579. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3580. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3583. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3584. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3585. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3586. }
  3587. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3588. struct link_params *params,
  3589. u8 fiber_mode,
  3590. u8 always_autoneg)
  3591. {
  3592. struct bnx2x *bp = params->bp;
  3593. u16 val16, digctrl_kx1, digctrl_kx2;
  3594. /* Clear XFI clock comp in non-10G single lane mode. */
  3595. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_RX66_CONTROL, &val16);
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3599. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3600. /* SGMII Autoneg */
  3601. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3605. val16 | 0x1000);
  3606. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3607. } else {
  3608. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3610. val16 &= 0xcebf;
  3611. switch (phy->req_line_speed) {
  3612. case SPEED_10:
  3613. break;
  3614. case SPEED_100:
  3615. val16 |= 0x2000;
  3616. break;
  3617. case SPEED_1000:
  3618. val16 |= 0x0040;
  3619. break;
  3620. default:
  3621. DP(NETIF_MSG_LINK,
  3622. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3623. return;
  3624. }
  3625. if (phy->req_duplex == DUPLEX_FULL)
  3626. val16 |= 0x0100;
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3629. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3630. phy->req_line_speed);
  3631. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3633. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3634. }
  3635. /* SGMII Slave mode and disable signal detect */
  3636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3638. if (fiber_mode)
  3639. digctrl_kx1 = 1;
  3640. else
  3641. digctrl_kx1 &= 0xff4a;
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3644. digctrl_kx1);
  3645. /* Turn off parallel detect */
  3646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3650. (digctrl_kx2 & ~(1<<2)));
  3651. /* Re-enable parallel detect */
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3654. (digctrl_kx2 | (1<<2)));
  3655. /* Enable autodet */
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3658. (digctrl_kx1 | 0x10));
  3659. }
  3660. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3661. struct bnx2x_phy *phy,
  3662. u8 reset)
  3663. {
  3664. u16 val;
  3665. /* Take lane out of reset after configuration is finished */
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3668. if (reset)
  3669. val |= 0xC000;
  3670. else
  3671. val &= 0x3FFF;
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3676. }
  3677. /* Clear SFI/XFI link settings registers */
  3678. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3679. struct link_params *params,
  3680. u16 lane)
  3681. {
  3682. struct bnx2x *bp = params->bp;
  3683. u16 i;
  3684. static struct bnx2x_reg_set wc_regs[] = {
  3685. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3686. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3690. 0x0195},
  3691. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3692. 0x0007},
  3693. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3694. 0x0002},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3699. };
  3700. /* Set XFI clock comp as default. */
  3701. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3702. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3703. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3704. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3705. wc_regs[i].val);
  3706. lane = bnx2x_get_warpcore_lane(phy, params);
  3707. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3709. }
  3710. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3711. u32 chip_id,
  3712. u32 shmem_base, u8 port,
  3713. u8 *gpio_num, u8 *gpio_port)
  3714. {
  3715. u32 cfg_pin;
  3716. *gpio_num = 0;
  3717. *gpio_port = 0;
  3718. if (CHIP_IS_E3(bp)) {
  3719. cfg_pin = (REG_RD(bp, shmem_base +
  3720. offsetof(struct shmem_region,
  3721. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3722. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3723. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3724. /* Should not happen. This function called upon interrupt
  3725. * triggered by GPIO ( since EPIO can only generate interrupts
  3726. * to MCP).
  3727. * So if this function was called and none of the GPIOs was set,
  3728. * it means the shit hit the fan.
  3729. */
  3730. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3731. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3732. DP(NETIF_MSG_LINK,
  3733. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3734. cfg_pin);
  3735. return -EINVAL;
  3736. }
  3737. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3738. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3739. } else {
  3740. *gpio_num = MISC_REGISTERS_GPIO_3;
  3741. *gpio_port = port;
  3742. }
  3743. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3744. return 0;
  3745. }
  3746. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3747. struct link_params *params)
  3748. {
  3749. struct bnx2x *bp = params->bp;
  3750. u8 gpio_num, gpio_port;
  3751. u32 gpio_val;
  3752. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3753. params->shmem_base, params->port,
  3754. &gpio_num, &gpio_port) != 0)
  3755. return 0;
  3756. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3757. /* Call the handling function in case module is detected */
  3758. if (gpio_val == 0)
  3759. return 1;
  3760. else
  3761. return 0;
  3762. }
  3763. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3764. struct link_params *params)
  3765. {
  3766. u16 gp2_status_reg0, lane;
  3767. struct bnx2x *bp = params->bp;
  3768. lane = bnx2x_get_warpcore_lane(phy, params);
  3769. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3770. &gp2_status_reg0);
  3771. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3772. }
  3773. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3774. struct link_params *params,
  3775. struct link_vars *vars)
  3776. {
  3777. struct bnx2x *bp = params->bp;
  3778. u32 serdes_net_if;
  3779. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3780. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3781. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3782. if (!vars->turn_to_run_wc_rt)
  3783. return;
  3784. /* Return if there is no link partner */
  3785. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3786. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3787. return;
  3788. }
  3789. if (vars->rx_tx_asic_rst) {
  3790. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3791. offsetof(struct shmem_region, dev_info.
  3792. port_hw_config[params->port].default_cfg)) &
  3793. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3794. switch (serdes_net_if) {
  3795. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3796. /* Do we get link yet? */
  3797. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3798. &gp_status1);
  3799. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3800. /*10G KR*/
  3801. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3802. DP(NETIF_MSG_LINK,
  3803. "gp_status1 0x%x\n", gp_status1);
  3804. if (lnkup_kr || lnkup) {
  3805. vars->rx_tx_asic_rst = 0;
  3806. DP(NETIF_MSG_LINK,
  3807. "link up, rx_tx_asic_rst 0x%x\n",
  3808. vars->rx_tx_asic_rst);
  3809. } else {
  3810. /* Reset the lane to see if link comes up.*/
  3811. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3812. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3813. /* Restart Autoneg */
  3814. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3815. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3816. vars->rx_tx_asic_rst--;
  3817. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3818. vars->rx_tx_asic_rst);
  3819. }
  3820. break;
  3821. default:
  3822. break;
  3823. }
  3824. } /*params->rx_tx_asic_rst*/
  3825. }
  3826. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3827. struct link_params *params,
  3828. struct link_vars *vars)
  3829. {
  3830. struct bnx2x *bp = params->bp;
  3831. u32 serdes_net_if;
  3832. u8 fiber_mode;
  3833. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3834. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3835. offsetof(struct shmem_region, dev_info.
  3836. port_hw_config[params->port].default_cfg)) &
  3837. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3838. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3839. "serdes_net_if = 0x%x\n",
  3840. vars->line_speed, serdes_net_if);
  3841. bnx2x_set_aer_mmd(params, phy);
  3842. vars->phy_flags |= PHY_XGXS_FLAG;
  3843. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3844. (phy->req_line_speed &&
  3845. ((phy->req_line_speed == SPEED_100) ||
  3846. (phy->req_line_speed == SPEED_10)))) {
  3847. vars->phy_flags |= PHY_SGMII_FLAG;
  3848. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3849. bnx2x_warpcore_clear_regs(phy, params, lane);
  3850. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3851. } else {
  3852. switch (serdes_net_if) {
  3853. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3854. /* Enable KR Auto Neg */
  3855. if (params->loopback_mode != LOOPBACK_EXT)
  3856. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3857. else {
  3858. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3859. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3860. }
  3861. break;
  3862. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3863. bnx2x_warpcore_clear_regs(phy, params, lane);
  3864. if (vars->line_speed == SPEED_10000) {
  3865. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3866. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3867. } else {
  3868. if (SINGLE_MEDIA_DIRECT(params)) {
  3869. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3870. fiber_mode = 1;
  3871. } else {
  3872. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3873. fiber_mode = 0;
  3874. }
  3875. bnx2x_warpcore_set_sgmii_speed(phy,
  3876. params,
  3877. fiber_mode,
  3878. 0);
  3879. }
  3880. break;
  3881. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3882. bnx2x_warpcore_clear_regs(phy, params, lane);
  3883. if (vars->line_speed == SPEED_10000) {
  3884. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3885. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3886. } else if (vars->line_speed == SPEED_1000) {
  3887. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3888. bnx2x_warpcore_set_sgmii_speed(
  3889. phy, params, 1, 0);
  3890. }
  3891. /* Issue Module detection */
  3892. if (bnx2x_is_sfp_module_plugged(phy, params))
  3893. bnx2x_sfp_module_detection(phy, params);
  3894. break;
  3895. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3896. if (vars->line_speed != SPEED_20000) {
  3897. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3898. return;
  3899. }
  3900. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3901. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3902. /* Issue Module detection */
  3903. bnx2x_sfp_module_detection(phy, params);
  3904. break;
  3905. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3906. if (vars->line_speed != SPEED_20000) {
  3907. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3908. return;
  3909. }
  3910. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3911. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3912. break;
  3913. default:
  3914. DP(NETIF_MSG_LINK,
  3915. "Unsupported Serdes Net Interface 0x%x\n",
  3916. serdes_net_if);
  3917. return;
  3918. }
  3919. }
  3920. /* Take lane out of reset after configuration is finished */
  3921. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3922. DP(NETIF_MSG_LINK, "Exit config init\n");
  3923. }
  3924. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3925. struct bnx2x_phy *phy,
  3926. u8 tx_en)
  3927. {
  3928. struct bnx2x *bp = params->bp;
  3929. u32 cfg_pin;
  3930. u8 port = params->port;
  3931. cfg_pin = REG_RD(bp, params->shmem_base +
  3932. offsetof(struct shmem_region,
  3933. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3934. PORT_HW_CFG_TX_LASER_MASK;
  3935. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3936. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3937. /* For 20G, the expected pin to be used is 3 pins after the current */
  3938. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3939. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3940. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3941. }
  3942. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3943. struct link_params *params)
  3944. {
  3945. struct bnx2x *bp = params->bp;
  3946. u16 val16;
  3947. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3948. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3949. bnx2x_set_aer_mmd(params, phy);
  3950. /* Global register */
  3951. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3952. /* Clear loopback settings (if any) */
  3953. /* 10G & 20G */
  3954. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3955. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3956. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3957. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3958. 0xBFFF);
  3959. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3960. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3961. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3962. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3963. /* Update those 1-copy registers */
  3964. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3965. MDIO_AER_BLOCK_AER_REG, 0);
  3966. /* Enable 1G MDIO (1-copy) */
  3967. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3969. &val16);
  3970. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3972. val16 & ~0x10);
  3973. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3974. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3975. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3977. val16 & 0xff00);
  3978. }
  3979. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3980. struct link_params *params)
  3981. {
  3982. struct bnx2x *bp = params->bp;
  3983. u16 val16;
  3984. u32 lane;
  3985. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3986. params->loopback_mode, phy->req_line_speed);
  3987. if (phy->req_line_speed < SPEED_10000) {
  3988. /* 10/100/1000 */
  3989. /* Update those 1-copy registers */
  3990. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3991. MDIO_AER_BLOCK_AER_REG, 0);
  3992. /* Enable 1G MDIO (1-copy) */
  3993. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3994. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3995. 0x10);
  3996. /* Set 1G loopback based on lane (1-copy) */
  3997. lane = bnx2x_get_warpcore_lane(phy, params);
  3998. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3999. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4000. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4001. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4002. val16 | (1<<lane));
  4003. /* Switch back to 4-copy registers */
  4004. bnx2x_set_aer_mmd(params, phy);
  4005. } else {
  4006. /* 10G & 20G */
  4007. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4009. 0x4000);
  4010. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4011. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4012. }
  4013. }
  4014. static void bnx2x_sync_link(struct link_params *params,
  4015. struct link_vars *vars)
  4016. {
  4017. struct bnx2x *bp = params->bp;
  4018. u8 link_10g_plus;
  4019. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4020. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4021. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4022. if (vars->link_up) {
  4023. DP(NETIF_MSG_LINK, "phy link up\n");
  4024. vars->phy_link_up = 1;
  4025. vars->duplex = DUPLEX_FULL;
  4026. switch (vars->link_status &
  4027. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4028. case LINK_10THD:
  4029. vars->duplex = DUPLEX_HALF;
  4030. /* Fall thru */
  4031. case LINK_10TFD:
  4032. vars->line_speed = SPEED_10;
  4033. break;
  4034. case LINK_100TXHD:
  4035. vars->duplex = DUPLEX_HALF;
  4036. /* Fall thru */
  4037. case LINK_100T4:
  4038. case LINK_100TXFD:
  4039. vars->line_speed = SPEED_100;
  4040. break;
  4041. case LINK_1000THD:
  4042. vars->duplex = DUPLEX_HALF;
  4043. /* Fall thru */
  4044. case LINK_1000TFD:
  4045. vars->line_speed = SPEED_1000;
  4046. break;
  4047. case LINK_2500THD:
  4048. vars->duplex = DUPLEX_HALF;
  4049. /* Fall thru */
  4050. case LINK_2500TFD:
  4051. vars->line_speed = SPEED_2500;
  4052. break;
  4053. case LINK_10GTFD:
  4054. vars->line_speed = SPEED_10000;
  4055. break;
  4056. case LINK_20GTFD:
  4057. vars->line_speed = SPEED_20000;
  4058. break;
  4059. default:
  4060. break;
  4061. }
  4062. vars->flow_ctrl = 0;
  4063. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4064. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4065. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4066. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4067. if (!vars->flow_ctrl)
  4068. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4069. if (vars->line_speed &&
  4070. ((vars->line_speed == SPEED_10) ||
  4071. (vars->line_speed == SPEED_100))) {
  4072. vars->phy_flags |= PHY_SGMII_FLAG;
  4073. } else {
  4074. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4075. }
  4076. if (vars->line_speed &&
  4077. USES_WARPCORE(bp) &&
  4078. (vars->line_speed == SPEED_1000))
  4079. vars->phy_flags |= PHY_SGMII_FLAG;
  4080. /* Anything 10 and over uses the bmac */
  4081. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4082. if (link_10g_plus) {
  4083. if (USES_WARPCORE(bp))
  4084. vars->mac_type = MAC_TYPE_XMAC;
  4085. else
  4086. vars->mac_type = MAC_TYPE_BMAC;
  4087. } else {
  4088. if (USES_WARPCORE(bp))
  4089. vars->mac_type = MAC_TYPE_UMAC;
  4090. else
  4091. vars->mac_type = MAC_TYPE_EMAC;
  4092. }
  4093. } else { /* Link down */
  4094. DP(NETIF_MSG_LINK, "phy link down\n");
  4095. vars->phy_link_up = 0;
  4096. vars->line_speed = 0;
  4097. vars->duplex = DUPLEX_FULL;
  4098. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4099. /* Indicate no mac active */
  4100. vars->mac_type = MAC_TYPE_NONE;
  4101. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4102. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4103. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4104. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4105. }
  4106. }
  4107. void bnx2x_link_status_update(struct link_params *params,
  4108. struct link_vars *vars)
  4109. {
  4110. struct bnx2x *bp = params->bp;
  4111. u8 port = params->port;
  4112. u32 sync_offset, media_types;
  4113. /* Update PHY configuration */
  4114. set_phy_vars(params, vars);
  4115. vars->link_status = REG_RD(bp, params->shmem_base +
  4116. offsetof(struct shmem_region,
  4117. port_mb[port].link_status));
  4118. vars->phy_flags = PHY_XGXS_FLAG;
  4119. bnx2x_sync_link(params, vars);
  4120. /* Sync media type */
  4121. sync_offset = params->shmem_base +
  4122. offsetof(struct shmem_region,
  4123. dev_info.port_hw_config[port].media_type);
  4124. media_types = REG_RD(bp, sync_offset);
  4125. params->phy[INT_PHY].media_type =
  4126. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4127. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4128. params->phy[EXT_PHY1].media_type =
  4129. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4130. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4131. params->phy[EXT_PHY2].media_type =
  4132. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4133. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4134. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4135. /* Sync AEU offset */
  4136. sync_offset = params->shmem_base +
  4137. offsetof(struct shmem_region,
  4138. dev_info.port_hw_config[port].aeu_int_mask);
  4139. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4140. /* Sync PFC status */
  4141. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4142. params->feature_config_flags |=
  4143. FEATURE_CONFIG_PFC_ENABLED;
  4144. else
  4145. params->feature_config_flags &=
  4146. ~FEATURE_CONFIG_PFC_ENABLED;
  4147. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4148. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4149. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4150. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4151. }
  4152. static void bnx2x_set_master_ln(struct link_params *params,
  4153. struct bnx2x_phy *phy)
  4154. {
  4155. struct bnx2x *bp = params->bp;
  4156. u16 new_master_ln, ser_lane;
  4157. ser_lane = ((params->lane_config &
  4158. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4159. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4160. /* Set the master_ln for AN */
  4161. CL22_RD_OVER_CL45(bp, phy,
  4162. MDIO_REG_BANK_XGXS_BLOCK2,
  4163. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4164. &new_master_ln);
  4165. CL22_WR_OVER_CL45(bp, phy,
  4166. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4167. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4168. (new_master_ln | ser_lane));
  4169. }
  4170. static int bnx2x_reset_unicore(struct link_params *params,
  4171. struct bnx2x_phy *phy,
  4172. u8 set_serdes)
  4173. {
  4174. struct bnx2x *bp = params->bp;
  4175. u16 mii_control;
  4176. u16 i;
  4177. CL22_RD_OVER_CL45(bp, phy,
  4178. MDIO_REG_BANK_COMBO_IEEE0,
  4179. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4180. /* Reset the unicore */
  4181. CL22_WR_OVER_CL45(bp, phy,
  4182. MDIO_REG_BANK_COMBO_IEEE0,
  4183. MDIO_COMBO_IEEE0_MII_CONTROL,
  4184. (mii_control |
  4185. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4186. if (set_serdes)
  4187. bnx2x_set_serdes_access(bp, params->port);
  4188. /* Wait for the reset to self clear */
  4189. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4190. udelay(5);
  4191. /* The reset erased the previous bank value */
  4192. CL22_RD_OVER_CL45(bp, phy,
  4193. MDIO_REG_BANK_COMBO_IEEE0,
  4194. MDIO_COMBO_IEEE0_MII_CONTROL,
  4195. &mii_control);
  4196. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4197. udelay(5);
  4198. return 0;
  4199. }
  4200. }
  4201. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4202. " Port %d\n",
  4203. params->port);
  4204. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4205. return -EINVAL;
  4206. }
  4207. static void bnx2x_set_swap_lanes(struct link_params *params,
  4208. struct bnx2x_phy *phy)
  4209. {
  4210. struct bnx2x *bp = params->bp;
  4211. /* Each two bits represents a lane number:
  4212. * No swap is 0123 => 0x1b no need to enable the swap
  4213. */
  4214. u16 rx_lane_swap, tx_lane_swap;
  4215. rx_lane_swap = ((params->lane_config &
  4216. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4217. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4218. tx_lane_swap = ((params->lane_config &
  4219. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4220. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4221. if (rx_lane_swap != 0x1b) {
  4222. CL22_WR_OVER_CL45(bp, phy,
  4223. MDIO_REG_BANK_XGXS_BLOCK2,
  4224. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4225. (rx_lane_swap |
  4226. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4227. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4228. } else {
  4229. CL22_WR_OVER_CL45(bp, phy,
  4230. MDIO_REG_BANK_XGXS_BLOCK2,
  4231. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4232. }
  4233. if (tx_lane_swap != 0x1b) {
  4234. CL22_WR_OVER_CL45(bp, phy,
  4235. MDIO_REG_BANK_XGXS_BLOCK2,
  4236. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4237. (tx_lane_swap |
  4238. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4239. } else {
  4240. CL22_WR_OVER_CL45(bp, phy,
  4241. MDIO_REG_BANK_XGXS_BLOCK2,
  4242. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4243. }
  4244. }
  4245. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4246. struct link_params *params)
  4247. {
  4248. struct bnx2x *bp = params->bp;
  4249. u16 control2;
  4250. CL22_RD_OVER_CL45(bp, phy,
  4251. MDIO_REG_BANK_SERDES_DIGITAL,
  4252. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4253. &control2);
  4254. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4255. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4256. else
  4257. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4258. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4259. phy->speed_cap_mask, control2);
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_SERDES_DIGITAL,
  4262. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4263. control2);
  4264. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4265. (phy->speed_cap_mask &
  4266. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4267. DP(NETIF_MSG_LINK, "XGXS\n");
  4268. CL22_WR_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4270. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4271. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4272. CL22_RD_OVER_CL45(bp, phy,
  4273. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4274. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4275. &control2);
  4276. control2 |=
  4277. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4278. CL22_WR_OVER_CL45(bp, phy,
  4279. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4280. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4281. control2);
  4282. /* Disable parallel detection of HiG */
  4283. CL22_WR_OVER_CL45(bp, phy,
  4284. MDIO_REG_BANK_XGXS_BLOCK2,
  4285. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4286. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4287. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4288. }
  4289. }
  4290. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4291. struct link_params *params,
  4292. struct link_vars *vars,
  4293. u8 enable_cl73)
  4294. {
  4295. struct bnx2x *bp = params->bp;
  4296. u16 reg_val;
  4297. /* CL37 Autoneg */
  4298. CL22_RD_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_COMBO_IEEE0,
  4300. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4301. /* CL37 Autoneg Enabled */
  4302. if (vars->line_speed == SPEED_AUTO_NEG)
  4303. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4304. else /* CL37 Autoneg Disabled */
  4305. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4306. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4307. CL22_WR_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_COMBO_IEEE0,
  4309. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4310. /* Enable/Disable Autodetection */
  4311. CL22_RD_OVER_CL45(bp, phy,
  4312. MDIO_REG_BANK_SERDES_DIGITAL,
  4313. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4314. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4315. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4316. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4317. if (vars->line_speed == SPEED_AUTO_NEG)
  4318. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4319. else
  4320. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4321. CL22_WR_OVER_CL45(bp, phy,
  4322. MDIO_REG_BANK_SERDES_DIGITAL,
  4323. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4324. /* Enable TetonII and BAM autoneg */
  4325. CL22_RD_OVER_CL45(bp, phy,
  4326. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4327. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4328. &reg_val);
  4329. if (vars->line_speed == SPEED_AUTO_NEG) {
  4330. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4331. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4332. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4333. } else {
  4334. /* TetonII and BAM Autoneg Disabled */
  4335. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4336. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4337. }
  4338. CL22_WR_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4340. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4341. reg_val);
  4342. if (enable_cl73) {
  4343. /* Enable Cl73 FSM status bits */
  4344. CL22_WR_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_CL73_USERB0,
  4346. MDIO_CL73_USERB0_CL73_UCTRL,
  4347. 0xe);
  4348. /* Enable BAM Station Manager*/
  4349. CL22_WR_OVER_CL45(bp, phy,
  4350. MDIO_REG_BANK_CL73_USERB0,
  4351. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4352. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4353. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4354. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4355. /* Advertise CL73 link speeds */
  4356. CL22_RD_OVER_CL45(bp, phy,
  4357. MDIO_REG_BANK_CL73_IEEEB1,
  4358. MDIO_CL73_IEEEB1_AN_ADV2,
  4359. &reg_val);
  4360. if (phy->speed_cap_mask &
  4361. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4362. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4363. if (phy->speed_cap_mask &
  4364. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4365. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4366. CL22_WR_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_CL73_IEEEB1,
  4368. MDIO_CL73_IEEEB1_AN_ADV2,
  4369. reg_val);
  4370. /* CL73 Autoneg Enabled */
  4371. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4372. } else /* CL73 Autoneg Disabled */
  4373. reg_val = 0;
  4374. CL22_WR_OVER_CL45(bp, phy,
  4375. MDIO_REG_BANK_CL73_IEEEB0,
  4376. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4377. }
  4378. /* Program SerDes, forced speed */
  4379. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4380. struct link_params *params,
  4381. struct link_vars *vars)
  4382. {
  4383. struct bnx2x *bp = params->bp;
  4384. u16 reg_val;
  4385. /* Program duplex, disable autoneg and sgmii*/
  4386. CL22_RD_OVER_CL45(bp, phy,
  4387. MDIO_REG_BANK_COMBO_IEEE0,
  4388. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4389. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4390. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4391. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4392. if (phy->req_duplex == DUPLEX_FULL)
  4393. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4394. CL22_WR_OVER_CL45(bp, phy,
  4395. MDIO_REG_BANK_COMBO_IEEE0,
  4396. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4397. /* Program speed
  4398. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4399. */
  4400. CL22_RD_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_SERDES_DIGITAL,
  4402. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4403. /* Clearing the speed value before setting the right speed */
  4404. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4405. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4406. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4407. if (!((vars->line_speed == SPEED_1000) ||
  4408. (vars->line_speed == SPEED_100) ||
  4409. (vars->line_speed == SPEED_10))) {
  4410. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4411. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4412. if (vars->line_speed == SPEED_10000)
  4413. reg_val |=
  4414. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4415. }
  4416. CL22_WR_OVER_CL45(bp, phy,
  4417. MDIO_REG_BANK_SERDES_DIGITAL,
  4418. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4419. }
  4420. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4421. struct link_params *params)
  4422. {
  4423. struct bnx2x *bp = params->bp;
  4424. u16 val = 0;
  4425. /* Set extended capabilities */
  4426. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4427. val |= MDIO_OVER_1G_UP1_2_5G;
  4428. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4429. val |= MDIO_OVER_1G_UP1_10G;
  4430. CL22_WR_OVER_CL45(bp, phy,
  4431. MDIO_REG_BANK_OVER_1G,
  4432. MDIO_OVER_1G_UP1, val);
  4433. CL22_WR_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_OVER_1G,
  4435. MDIO_OVER_1G_UP3, 0x400);
  4436. }
  4437. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4438. struct link_params *params,
  4439. u16 ieee_fc)
  4440. {
  4441. struct bnx2x *bp = params->bp;
  4442. u16 val;
  4443. /* For AN, we are always publishing full duplex */
  4444. CL22_WR_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_COMBO_IEEE0,
  4446. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4447. CL22_RD_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_CL73_IEEEB1,
  4449. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4450. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4451. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4452. CL22_WR_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_CL73_IEEEB1,
  4454. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4455. }
  4456. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4457. struct link_params *params,
  4458. u8 enable_cl73)
  4459. {
  4460. struct bnx2x *bp = params->bp;
  4461. u16 mii_control;
  4462. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4463. /* Enable and restart BAM/CL37 aneg */
  4464. if (enable_cl73) {
  4465. CL22_RD_OVER_CL45(bp, phy,
  4466. MDIO_REG_BANK_CL73_IEEEB0,
  4467. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4468. &mii_control);
  4469. CL22_WR_OVER_CL45(bp, phy,
  4470. MDIO_REG_BANK_CL73_IEEEB0,
  4471. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4472. (mii_control |
  4473. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4474. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4475. } else {
  4476. CL22_RD_OVER_CL45(bp, phy,
  4477. MDIO_REG_BANK_COMBO_IEEE0,
  4478. MDIO_COMBO_IEEE0_MII_CONTROL,
  4479. &mii_control);
  4480. DP(NETIF_MSG_LINK,
  4481. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4482. mii_control);
  4483. CL22_WR_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_COMBO_IEEE0,
  4485. MDIO_COMBO_IEEE0_MII_CONTROL,
  4486. (mii_control |
  4487. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4488. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4489. }
  4490. }
  4491. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4492. struct link_params *params,
  4493. struct link_vars *vars)
  4494. {
  4495. struct bnx2x *bp = params->bp;
  4496. u16 control1;
  4497. /* In SGMII mode, the unicore is always slave */
  4498. CL22_RD_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_SERDES_DIGITAL,
  4500. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4501. &control1);
  4502. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4503. /* Set sgmii mode (and not fiber) */
  4504. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4505. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4506. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4507. CL22_WR_OVER_CL45(bp, phy,
  4508. MDIO_REG_BANK_SERDES_DIGITAL,
  4509. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4510. control1);
  4511. /* If forced speed */
  4512. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4513. /* Set speed, disable autoneg */
  4514. u16 mii_control;
  4515. CL22_RD_OVER_CL45(bp, phy,
  4516. MDIO_REG_BANK_COMBO_IEEE0,
  4517. MDIO_COMBO_IEEE0_MII_CONTROL,
  4518. &mii_control);
  4519. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4520. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4521. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4522. switch (vars->line_speed) {
  4523. case SPEED_100:
  4524. mii_control |=
  4525. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4526. break;
  4527. case SPEED_1000:
  4528. mii_control |=
  4529. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4530. break;
  4531. case SPEED_10:
  4532. /* There is nothing to set for 10M */
  4533. break;
  4534. default:
  4535. /* Invalid speed for SGMII */
  4536. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4537. vars->line_speed);
  4538. break;
  4539. }
  4540. /* Setting the full duplex */
  4541. if (phy->req_duplex == DUPLEX_FULL)
  4542. mii_control |=
  4543. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4544. CL22_WR_OVER_CL45(bp, phy,
  4545. MDIO_REG_BANK_COMBO_IEEE0,
  4546. MDIO_COMBO_IEEE0_MII_CONTROL,
  4547. mii_control);
  4548. } else { /* AN mode */
  4549. /* Enable and restart AN */
  4550. bnx2x_restart_autoneg(phy, params, 0);
  4551. }
  4552. }
  4553. /* Link management
  4554. */
  4555. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4556. struct link_params *params)
  4557. {
  4558. struct bnx2x *bp = params->bp;
  4559. u16 pd_10g, status2_1000x;
  4560. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4561. return 0;
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_SERDES_DIGITAL,
  4564. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4565. &status2_1000x);
  4566. CL22_RD_OVER_CL45(bp, phy,
  4567. MDIO_REG_BANK_SERDES_DIGITAL,
  4568. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4569. &status2_1000x);
  4570. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4571. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4572. params->port);
  4573. return 1;
  4574. }
  4575. CL22_RD_OVER_CL45(bp, phy,
  4576. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4577. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4578. &pd_10g);
  4579. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4580. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4581. params->port);
  4582. return 1;
  4583. }
  4584. return 0;
  4585. }
  4586. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4587. struct link_params *params,
  4588. struct link_vars *vars,
  4589. u32 gp_status)
  4590. {
  4591. u16 ld_pause; /* local driver */
  4592. u16 lp_pause; /* link partner */
  4593. u16 pause_result;
  4594. struct bnx2x *bp = params->bp;
  4595. if ((gp_status &
  4596. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4597. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4598. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4599. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4600. CL22_RD_OVER_CL45(bp, phy,
  4601. MDIO_REG_BANK_CL73_IEEEB1,
  4602. MDIO_CL73_IEEEB1_AN_ADV1,
  4603. &ld_pause);
  4604. CL22_RD_OVER_CL45(bp, phy,
  4605. MDIO_REG_BANK_CL73_IEEEB1,
  4606. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4607. &lp_pause);
  4608. pause_result = (ld_pause &
  4609. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4610. pause_result |= (lp_pause &
  4611. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4612. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4613. } else {
  4614. CL22_RD_OVER_CL45(bp, phy,
  4615. MDIO_REG_BANK_COMBO_IEEE0,
  4616. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4617. &ld_pause);
  4618. CL22_RD_OVER_CL45(bp, phy,
  4619. MDIO_REG_BANK_COMBO_IEEE0,
  4620. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4621. &lp_pause);
  4622. pause_result = (ld_pause &
  4623. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4624. pause_result |= (lp_pause &
  4625. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4626. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4627. }
  4628. bnx2x_pause_resolve(vars, pause_result);
  4629. }
  4630. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4631. struct link_params *params,
  4632. struct link_vars *vars,
  4633. u32 gp_status)
  4634. {
  4635. struct bnx2x *bp = params->bp;
  4636. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4637. /* Resolve from gp_status in case of AN complete and not sgmii */
  4638. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4639. /* Update the advertised flow-controled of LD/LP in AN */
  4640. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4641. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4642. /* But set the flow-control result as the requested one */
  4643. vars->flow_ctrl = phy->req_flow_ctrl;
  4644. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4645. vars->flow_ctrl = params->req_fc_auto_adv;
  4646. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4647. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4648. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4649. vars->flow_ctrl = params->req_fc_auto_adv;
  4650. return;
  4651. }
  4652. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4653. }
  4654. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4655. }
  4656. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4657. struct link_params *params)
  4658. {
  4659. struct bnx2x *bp = params->bp;
  4660. u16 rx_status, ustat_val, cl37_fsm_received;
  4661. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4662. /* Step 1: Make sure signal is detected */
  4663. CL22_RD_OVER_CL45(bp, phy,
  4664. MDIO_REG_BANK_RX0,
  4665. MDIO_RX0_RX_STATUS,
  4666. &rx_status);
  4667. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4668. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4669. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4670. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4671. CL22_WR_OVER_CL45(bp, phy,
  4672. MDIO_REG_BANK_CL73_IEEEB0,
  4673. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4674. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4675. return;
  4676. }
  4677. /* Step 2: Check CL73 state machine */
  4678. CL22_RD_OVER_CL45(bp, phy,
  4679. MDIO_REG_BANK_CL73_USERB0,
  4680. MDIO_CL73_USERB0_CL73_USTAT1,
  4681. &ustat_val);
  4682. if ((ustat_val &
  4683. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4684. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4685. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4686. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4687. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4688. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4689. return;
  4690. }
  4691. /* Step 3: Check CL37 Message Pages received to indicate LP
  4692. * supports only CL37
  4693. */
  4694. CL22_RD_OVER_CL45(bp, phy,
  4695. MDIO_REG_BANK_REMOTE_PHY,
  4696. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4697. &cl37_fsm_received);
  4698. if ((cl37_fsm_received &
  4699. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4700. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4701. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4702. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4703. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4704. "misc_rx_status(0x8330) = 0x%x\n",
  4705. cl37_fsm_received);
  4706. return;
  4707. }
  4708. /* The combined cl37/cl73 fsm state information indicating that
  4709. * we are connected to a device which does not support cl73, but
  4710. * does support cl37 BAM. In this case we disable cl73 and
  4711. * restart cl37 auto-neg
  4712. */
  4713. /* Disable CL73 */
  4714. CL22_WR_OVER_CL45(bp, phy,
  4715. MDIO_REG_BANK_CL73_IEEEB0,
  4716. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4717. 0);
  4718. /* Restart CL37 autoneg */
  4719. bnx2x_restart_autoneg(phy, params, 0);
  4720. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4721. }
  4722. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4723. struct link_params *params,
  4724. struct link_vars *vars,
  4725. u32 gp_status)
  4726. {
  4727. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4728. vars->link_status |=
  4729. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4730. if (bnx2x_direct_parallel_detect_used(phy, params))
  4731. vars->link_status |=
  4732. LINK_STATUS_PARALLEL_DETECTION_USED;
  4733. }
  4734. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4735. struct link_params *params,
  4736. struct link_vars *vars,
  4737. u16 is_link_up,
  4738. u16 speed_mask,
  4739. u16 is_duplex)
  4740. {
  4741. struct bnx2x *bp = params->bp;
  4742. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4743. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4744. if (is_link_up) {
  4745. DP(NETIF_MSG_LINK, "phy link up\n");
  4746. vars->phy_link_up = 1;
  4747. vars->link_status |= LINK_STATUS_LINK_UP;
  4748. switch (speed_mask) {
  4749. case GP_STATUS_10M:
  4750. vars->line_speed = SPEED_10;
  4751. if (vars->duplex == DUPLEX_FULL)
  4752. vars->link_status |= LINK_10TFD;
  4753. else
  4754. vars->link_status |= LINK_10THD;
  4755. break;
  4756. case GP_STATUS_100M:
  4757. vars->line_speed = SPEED_100;
  4758. if (vars->duplex == DUPLEX_FULL)
  4759. vars->link_status |= LINK_100TXFD;
  4760. else
  4761. vars->link_status |= LINK_100TXHD;
  4762. break;
  4763. case GP_STATUS_1G:
  4764. case GP_STATUS_1G_KX:
  4765. vars->line_speed = SPEED_1000;
  4766. if (vars->duplex == DUPLEX_FULL)
  4767. vars->link_status |= LINK_1000TFD;
  4768. else
  4769. vars->link_status |= LINK_1000THD;
  4770. break;
  4771. case GP_STATUS_2_5G:
  4772. vars->line_speed = SPEED_2500;
  4773. if (vars->duplex == DUPLEX_FULL)
  4774. vars->link_status |= LINK_2500TFD;
  4775. else
  4776. vars->link_status |= LINK_2500THD;
  4777. break;
  4778. case GP_STATUS_5G:
  4779. case GP_STATUS_6G:
  4780. DP(NETIF_MSG_LINK,
  4781. "link speed unsupported gp_status 0x%x\n",
  4782. speed_mask);
  4783. return -EINVAL;
  4784. case GP_STATUS_10G_KX4:
  4785. case GP_STATUS_10G_HIG:
  4786. case GP_STATUS_10G_CX4:
  4787. case GP_STATUS_10G_KR:
  4788. case GP_STATUS_10G_SFI:
  4789. case GP_STATUS_10G_XFI:
  4790. vars->line_speed = SPEED_10000;
  4791. vars->link_status |= LINK_10GTFD;
  4792. break;
  4793. case GP_STATUS_20G_DXGXS:
  4794. vars->line_speed = SPEED_20000;
  4795. vars->link_status |= LINK_20GTFD;
  4796. break;
  4797. default:
  4798. DP(NETIF_MSG_LINK,
  4799. "link speed unsupported gp_status 0x%x\n",
  4800. speed_mask);
  4801. return -EINVAL;
  4802. }
  4803. } else { /* link_down */
  4804. DP(NETIF_MSG_LINK, "phy link down\n");
  4805. vars->phy_link_up = 0;
  4806. vars->duplex = DUPLEX_FULL;
  4807. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4808. vars->mac_type = MAC_TYPE_NONE;
  4809. }
  4810. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4811. vars->phy_link_up, vars->line_speed);
  4812. return 0;
  4813. }
  4814. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4815. struct link_params *params,
  4816. struct link_vars *vars)
  4817. {
  4818. struct bnx2x *bp = params->bp;
  4819. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4820. int rc = 0;
  4821. /* Read gp_status */
  4822. CL22_RD_OVER_CL45(bp, phy,
  4823. MDIO_REG_BANK_GP_STATUS,
  4824. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4825. &gp_status);
  4826. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4827. duplex = DUPLEX_FULL;
  4828. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4829. link_up = 1;
  4830. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4831. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4832. gp_status, link_up, speed_mask);
  4833. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4834. duplex);
  4835. if (rc == -EINVAL)
  4836. return rc;
  4837. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4838. if (SINGLE_MEDIA_DIRECT(params)) {
  4839. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4840. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4841. bnx2x_xgxs_an_resolve(phy, params, vars,
  4842. gp_status);
  4843. }
  4844. } else { /* Link_down */
  4845. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4846. SINGLE_MEDIA_DIRECT(params)) {
  4847. /* Check signal is detected */
  4848. bnx2x_check_fallback_to_cl37(phy, params);
  4849. }
  4850. }
  4851. /* Read LP advertised speeds*/
  4852. if (SINGLE_MEDIA_DIRECT(params) &&
  4853. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4854. u16 val;
  4855. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4856. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4857. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4858. vars->link_status |=
  4859. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4860. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4861. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4862. vars->link_status |=
  4863. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4864. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4865. MDIO_OVER_1G_LP_UP1, &val);
  4866. if (val & MDIO_OVER_1G_UP1_2_5G)
  4867. vars->link_status |=
  4868. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4869. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4870. vars->link_status |=
  4871. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4872. }
  4873. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4874. vars->duplex, vars->flow_ctrl, vars->link_status);
  4875. return rc;
  4876. }
  4877. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4878. struct link_params *params,
  4879. struct link_vars *vars)
  4880. {
  4881. struct bnx2x *bp = params->bp;
  4882. u8 lane;
  4883. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4884. int rc = 0;
  4885. lane = bnx2x_get_warpcore_lane(phy, params);
  4886. /* Read gp_status */
  4887. if (phy->req_line_speed > SPEED_10000) {
  4888. u16 temp_link_up;
  4889. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4890. 1, &temp_link_up);
  4891. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4892. 1, &link_up);
  4893. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4894. temp_link_up, link_up);
  4895. link_up &= (1<<2);
  4896. if (link_up)
  4897. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4898. } else {
  4899. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4900. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4901. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4902. /* Check for either KR or generic link up. */
  4903. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4904. ((gp_status1 >> 12) & 0xf);
  4905. link_up = gp_status1 & (1 << lane);
  4906. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4907. u16 pd, gp_status4;
  4908. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4909. /* Check Autoneg complete */
  4910. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4911. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4912. &gp_status4);
  4913. if (gp_status4 & ((1<<12)<<lane))
  4914. vars->link_status |=
  4915. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4916. /* Check parallel detect used */
  4917. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4918. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4919. &pd);
  4920. if (pd & (1<<15))
  4921. vars->link_status |=
  4922. LINK_STATUS_PARALLEL_DETECTION_USED;
  4923. }
  4924. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4925. }
  4926. }
  4927. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4928. SINGLE_MEDIA_DIRECT(params)) {
  4929. u16 val;
  4930. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4931. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4932. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4933. vars->link_status |=
  4934. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4935. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4936. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4937. vars->link_status |=
  4938. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4939. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4940. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4941. if (val & MDIO_OVER_1G_UP1_2_5G)
  4942. vars->link_status |=
  4943. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4944. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4945. vars->link_status |=
  4946. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4947. }
  4948. if (lane < 2) {
  4949. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4950. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4951. } else {
  4952. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4953. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4954. }
  4955. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4956. if ((lane & 1) == 0)
  4957. gp_speed <<= 8;
  4958. gp_speed &= 0x3f00;
  4959. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4960. duplex);
  4961. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4962. vars->duplex, vars->flow_ctrl, vars->link_status);
  4963. return rc;
  4964. }
  4965. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4966. {
  4967. struct bnx2x *bp = params->bp;
  4968. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4969. u16 lp_up2;
  4970. u16 tx_driver;
  4971. u16 bank;
  4972. /* Read precomp */
  4973. CL22_RD_OVER_CL45(bp, phy,
  4974. MDIO_REG_BANK_OVER_1G,
  4975. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4976. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4977. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4978. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4979. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4980. if (lp_up2 == 0)
  4981. return;
  4982. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4983. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4984. CL22_RD_OVER_CL45(bp, phy,
  4985. bank,
  4986. MDIO_TX0_TX_DRIVER, &tx_driver);
  4987. /* Replace tx_driver bits [15:12] */
  4988. if (lp_up2 !=
  4989. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4990. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4991. tx_driver |= lp_up2;
  4992. CL22_WR_OVER_CL45(bp, phy,
  4993. bank,
  4994. MDIO_TX0_TX_DRIVER, tx_driver);
  4995. }
  4996. }
  4997. }
  4998. static int bnx2x_emac_program(struct link_params *params,
  4999. struct link_vars *vars)
  5000. {
  5001. struct bnx2x *bp = params->bp;
  5002. u8 port = params->port;
  5003. u16 mode = 0;
  5004. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5005. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5006. EMAC_REG_EMAC_MODE,
  5007. (EMAC_MODE_25G_MODE |
  5008. EMAC_MODE_PORT_MII_10M |
  5009. EMAC_MODE_HALF_DUPLEX));
  5010. switch (vars->line_speed) {
  5011. case SPEED_10:
  5012. mode |= EMAC_MODE_PORT_MII_10M;
  5013. break;
  5014. case SPEED_100:
  5015. mode |= EMAC_MODE_PORT_MII;
  5016. break;
  5017. case SPEED_1000:
  5018. mode |= EMAC_MODE_PORT_GMII;
  5019. break;
  5020. case SPEED_2500:
  5021. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5022. break;
  5023. default:
  5024. /* 10G not valid for EMAC */
  5025. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5026. vars->line_speed);
  5027. return -EINVAL;
  5028. }
  5029. if (vars->duplex == DUPLEX_HALF)
  5030. mode |= EMAC_MODE_HALF_DUPLEX;
  5031. bnx2x_bits_en(bp,
  5032. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5033. mode);
  5034. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5035. return 0;
  5036. }
  5037. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5038. struct link_params *params)
  5039. {
  5040. u16 bank, i = 0;
  5041. struct bnx2x *bp = params->bp;
  5042. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5043. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5044. CL22_WR_OVER_CL45(bp, phy,
  5045. bank,
  5046. MDIO_RX0_RX_EQ_BOOST,
  5047. phy->rx_preemphasis[i]);
  5048. }
  5049. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5050. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5051. CL22_WR_OVER_CL45(bp, phy,
  5052. bank,
  5053. MDIO_TX0_TX_DRIVER,
  5054. phy->tx_preemphasis[i]);
  5055. }
  5056. }
  5057. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5058. struct link_params *params,
  5059. struct link_vars *vars)
  5060. {
  5061. struct bnx2x *bp = params->bp;
  5062. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5063. (params->loopback_mode == LOOPBACK_XGXS));
  5064. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5065. if (SINGLE_MEDIA_DIRECT(params) &&
  5066. (params->feature_config_flags &
  5067. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5068. bnx2x_set_preemphasis(phy, params);
  5069. /* Forced speed requested? */
  5070. if (vars->line_speed != SPEED_AUTO_NEG ||
  5071. (SINGLE_MEDIA_DIRECT(params) &&
  5072. params->loopback_mode == LOOPBACK_EXT)) {
  5073. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5074. /* Disable autoneg */
  5075. bnx2x_set_autoneg(phy, params, vars, 0);
  5076. /* Program speed and duplex */
  5077. bnx2x_program_serdes(phy, params, vars);
  5078. } else { /* AN_mode */
  5079. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5080. /* AN enabled */
  5081. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5082. /* Program duplex & pause advertisement (for aneg) */
  5083. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5084. vars->ieee_fc);
  5085. /* Enable autoneg */
  5086. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5087. /* Enable and restart AN */
  5088. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5089. }
  5090. } else { /* SGMII mode */
  5091. DP(NETIF_MSG_LINK, "SGMII\n");
  5092. bnx2x_initialize_sgmii_process(phy, params, vars);
  5093. }
  5094. }
  5095. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5096. struct link_params *params,
  5097. struct link_vars *vars)
  5098. {
  5099. int rc;
  5100. vars->phy_flags |= PHY_XGXS_FLAG;
  5101. if ((phy->req_line_speed &&
  5102. ((phy->req_line_speed == SPEED_100) ||
  5103. (phy->req_line_speed == SPEED_10))) ||
  5104. (!phy->req_line_speed &&
  5105. (phy->speed_cap_mask >=
  5106. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5107. (phy->speed_cap_mask <
  5108. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5109. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5110. vars->phy_flags |= PHY_SGMII_FLAG;
  5111. else
  5112. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5113. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5114. bnx2x_set_aer_mmd(params, phy);
  5115. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5116. bnx2x_set_master_ln(params, phy);
  5117. rc = bnx2x_reset_unicore(params, phy, 0);
  5118. /* Reset the SerDes and wait for reset bit return low */
  5119. if (rc)
  5120. return rc;
  5121. bnx2x_set_aer_mmd(params, phy);
  5122. /* Setting the masterLn_def again after the reset */
  5123. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5124. bnx2x_set_master_ln(params, phy);
  5125. bnx2x_set_swap_lanes(params, phy);
  5126. }
  5127. return rc;
  5128. }
  5129. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5130. struct bnx2x_phy *phy,
  5131. struct link_params *params)
  5132. {
  5133. u16 cnt, ctrl;
  5134. /* Wait for soft reset to get cleared up to 1 sec */
  5135. for (cnt = 0; cnt < 1000; cnt++) {
  5136. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5137. bnx2x_cl22_read(bp, phy,
  5138. MDIO_PMA_REG_CTRL, &ctrl);
  5139. else
  5140. bnx2x_cl45_read(bp, phy,
  5141. MDIO_PMA_DEVAD,
  5142. MDIO_PMA_REG_CTRL, &ctrl);
  5143. if (!(ctrl & (1<<15)))
  5144. break;
  5145. usleep_range(1000, 2000);
  5146. }
  5147. if (cnt == 1000)
  5148. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5149. " Port %d\n",
  5150. params->port);
  5151. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5152. return cnt;
  5153. }
  5154. static void bnx2x_link_int_enable(struct link_params *params)
  5155. {
  5156. u8 port = params->port;
  5157. u32 mask;
  5158. struct bnx2x *bp = params->bp;
  5159. /* Setting the status to report on link up for either XGXS or SerDes */
  5160. if (CHIP_IS_E3(bp)) {
  5161. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5162. if (!(SINGLE_MEDIA_DIRECT(params)))
  5163. mask |= NIG_MASK_MI_INT;
  5164. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5165. mask = (NIG_MASK_XGXS0_LINK10G |
  5166. NIG_MASK_XGXS0_LINK_STATUS);
  5167. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5168. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5169. params->phy[INT_PHY].type !=
  5170. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5171. mask |= NIG_MASK_MI_INT;
  5172. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5173. }
  5174. } else { /* SerDes */
  5175. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5176. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5177. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5178. params->phy[INT_PHY].type !=
  5179. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5180. mask |= NIG_MASK_MI_INT;
  5181. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5182. }
  5183. }
  5184. bnx2x_bits_en(bp,
  5185. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5186. mask);
  5187. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5188. (params->switch_cfg == SWITCH_CFG_10G),
  5189. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5190. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5191. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5192. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5193. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5194. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5195. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5196. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5197. }
  5198. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5199. u8 exp_mi_int)
  5200. {
  5201. u32 latch_status = 0;
  5202. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5203. * status register. Link down indication is high-active-signal,
  5204. * so in this case we need to write the status to clear the XOR
  5205. */
  5206. /* Read Latched signals */
  5207. latch_status = REG_RD(bp,
  5208. NIG_REG_LATCH_STATUS_0 + port*8);
  5209. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5210. /* Handle only those with latched-signal=up.*/
  5211. if (exp_mi_int)
  5212. bnx2x_bits_en(bp,
  5213. NIG_REG_STATUS_INTERRUPT_PORT0
  5214. + port*4,
  5215. NIG_STATUS_EMAC0_MI_INT);
  5216. else
  5217. bnx2x_bits_dis(bp,
  5218. NIG_REG_STATUS_INTERRUPT_PORT0
  5219. + port*4,
  5220. NIG_STATUS_EMAC0_MI_INT);
  5221. if (latch_status & 1) {
  5222. /* For all latched-signal=up : Re-Arm Latch signals */
  5223. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5224. (latch_status & 0xfffe) | (latch_status & 1));
  5225. }
  5226. /* For all latched-signal=up,Write original_signal to status */
  5227. }
  5228. static void bnx2x_link_int_ack(struct link_params *params,
  5229. struct link_vars *vars, u8 is_10g_plus)
  5230. {
  5231. struct bnx2x *bp = params->bp;
  5232. u8 port = params->port;
  5233. u32 mask;
  5234. /* First reset all status we assume only one line will be
  5235. * change at a time
  5236. */
  5237. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5238. (NIG_STATUS_XGXS0_LINK10G |
  5239. NIG_STATUS_XGXS0_LINK_STATUS |
  5240. NIG_STATUS_SERDES0_LINK_STATUS));
  5241. if (vars->phy_link_up) {
  5242. if (USES_WARPCORE(bp))
  5243. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5244. else {
  5245. if (is_10g_plus)
  5246. mask = NIG_STATUS_XGXS0_LINK10G;
  5247. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5248. /* Disable the link interrupt by writing 1 to
  5249. * the relevant lane in the status register
  5250. */
  5251. u32 ser_lane =
  5252. ((params->lane_config &
  5253. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5254. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5255. mask = ((1 << ser_lane) <<
  5256. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5257. } else
  5258. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5259. }
  5260. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5261. mask);
  5262. bnx2x_bits_en(bp,
  5263. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5264. mask);
  5265. }
  5266. }
  5267. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5268. {
  5269. u8 *str_ptr = str;
  5270. u32 mask = 0xf0000000;
  5271. u8 shift = 8*4;
  5272. u8 digit;
  5273. u8 remove_leading_zeros = 1;
  5274. if (*len < 10) {
  5275. /* Need more than 10chars for this format */
  5276. *str_ptr = '\0';
  5277. (*len)--;
  5278. return -EINVAL;
  5279. }
  5280. while (shift > 0) {
  5281. shift -= 4;
  5282. digit = ((num & mask) >> shift);
  5283. if (digit == 0 && remove_leading_zeros) {
  5284. mask = mask >> 4;
  5285. continue;
  5286. } else if (digit < 0xa)
  5287. *str_ptr = digit + '0';
  5288. else
  5289. *str_ptr = digit - 0xa + 'a';
  5290. remove_leading_zeros = 0;
  5291. str_ptr++;
  5292. (*len)--;
  5293. mask = mask >> 4;
  5294. if (shift == 4*4) {
  5295. *str_ptr = '.';
  5296. str_ptr++;
  5297. (*len)--;
  5298. remove_leading_zeros = 1;
  5299. }
  5300. }
  5301. return 0;
  5302. }
  5303. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5304. {
  5305. str[0] = '\0';
  5306. (*len)--;
  5307. return 0;
  5308. }
  5309. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5310. u16 len)
  5311. {
  5312. struct bnx2x *bp;
  5313. u32 spirom_ver = 0;
  5314. int status = 0;
  5315. u8 *ver_p = version;
  5316. u16 remain_len = len;
  5317. if (version == NULL || params == NULL)
  5318. return -EINVAL;
  5319. bp = params->bp;
  5320. /* Extract first external phy*/
  5321. version[0] = '\0';
  5322. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5323. if (params->phy[EXT_PHY1].format_fw_ver) {
  5324. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5325. ver_p,
  5326. &remain_len);
  5327. ver_p += (len - remain_len);
  5328. }
  5329. if ((params->num_phys == MAX_PHYS) &&
  5330. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5331. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5332. if (params->phy[EXT_PHY2].format_fw_ver) {
  5333. *ver_p = '/';
  5334. ver_p++;
  5335. remain_len--;
  5336. status |= params->phy[EXT_PHY2].format_fw_ver(
  5337. spirom_ver,
  5338. ver_p,
  5339. &remain_len);
  5340. ver_p = version + (len - remain_len);
  5341. }
  5342. }
  5343. *ver_p = '\0';
  5344. return status;
  5345. }
  5346. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5347. struct link_params *params)
  5348. {
  5349. u8 port = params->port;
  5350. struct bnx2x *bp = params->bp;
  5351. if (phy->req_line_speed != SPEED_1000) {
  5352. u32 md_devad = 0;
  5353. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5354. if (!CHIP_IS_E3(bp)) {
  5355. /* Change the uni_phy_addr in the nig */
  5356. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5357. port*0x18));
  5358. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5359. 0x5);
  5360. }
  5361. bnx2x_cl45_write(bp, phy,
  5362. 5,
  5363. (MDIO_REG_BANK_AER_BLOCK +
  5364. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5365. 0x2800);
  5366. bnx2x_cl45_write(bp, phy,
  5367. 5,
  5368. (MDIO_REG_BANK_CL73_IEEEB0 +
  5369. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5370. 0x6041);
  5371. msleep(200);
  5372. /* Set aer mmd back */
  5373. bnx2x_set_aer_mmd(params, phy);
  5374. if (!CHIP_IS_E3(bp)) {
  5375. /* And md_devad */
  5376. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5377. md_devad);
  5378. }
  5379. } else {
  5380. u16 mii_ctrl;
  5381. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5382. bnx2x_cl45_read(bp, phy, 5,
  5383. (MDIO_REG_BANK_COMBO_IEEE0 +
  5384. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5385. &mii_ctrl);
  5386. bnx2x_cl45_write(bp, phy, 5,
  5387. (MDIO_REG_BANK_COMBO_IEEE0 +
  5388. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5389. mii_ctrl |
  5390. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5391. }
  5392. }
  5393. int bnx2x_set_led(struct link_params *params,
  5394. struct link_vars *vars, u8 mode, u32 speed)
  5395. {
  5396. u8 port = params->port;
  5397. u16 hw_led_mode = params->hw_led_mode;
  5398. int rc = 0;
  5399. u8 phy_idx;
  5400. u32 tmp;
  5401. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5402. struct bnx2x *bp = params->bp;
  5403. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5404. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5405. speed, hw_led_mode);
  5406. /* In case */
  5407. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5408. if (params->phy[phy_idx].set_link_led) {
  5409. params->phy[phy_idx].set_link_led(
  5410. &params->phy[phy_idx], params, mode);
  5411. }
  5412. }
  5413. switch (mode) {
  5414. case LED_MODE_FRONT_PANEL_OFF:
  5415. case LED_MODE_OFF:
  5416. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5417. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5418. SHARED_HW_CFG_LED_MAC1);
  5419. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5420. if (params->phy[EXT_PHY1].type ==
  5421. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5422. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5423. EMAC_LED_100MB_OVERRIDE |
  5424. EMAC_LED_10MB_OVERRIDE);
  5425. else
  5426. tmp |= EMAC_LED_OVERRIDE;
  5427. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5428. break;
  5429. case LED_MODE_OPER:
  5430. /* For all other phys, OPER mode is same as ON, so in case
  5431. * link is down, do nothing
  5432. */
  5433. if (!vars->link_up)
  5434. break;
  5435. case LED_MODE_ON:
  5436. if (((params->phy[EXT_PHY1].type ==
  5437. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5438. (params->phy[EXT_PHY1].type ==
  5439. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5440. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5441. /* This is a work-around for E2+8727 Configurations */
  5442. if (mode == LED_MODE_ON ||
  5443. speed == SPEED_10000){
  5444. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5445. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5446. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5447. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5448. (tmp | EMAC_LED_OVERRIDE));
  5449. /* Return here without enabling traffic
  5450. * LED blink and setting rate in ON mode.
  5451. * In oper mode, enabling LED blink
  5452. * and setting rate is needed.
  5453. */
  5454. if (mode == LED_MODE_ON)
  5455. return rc;
  5456. }
  5457. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5458. /* This is a work-around for HW issue found when link
  5459. * is up in CL73
  5460. */
  5461. if ((!CHIP_IS_E3(bp)) ||
  5462. (CHIP_IS_E3(bp) &&
  5463. mode == LED_MODE_ON))
  5464. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5465. if (CHIP_IS_E1x(bp) ||
  5466. CHIP_IS_E2(bp) ||
  5467. (mode == LED_MODE_ON))
  5468. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5469. else
  5470. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5471. hw_led_mode);
  5472. } else if ((params->phy[EXT_PHY1].type ==
  5473. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5474. (mode == LED_MODE_ON)) {
  5475. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5476. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5477. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5478. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5479. /* Break here; otherwise, it'll disable the
  5480. * intended override.
  5481. */
  5482. break;
  5483. } else
  5484. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5485. hw_led_mode);
  5486. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5487. /* Set blinking rate to ~15.9Hz */
  5488. if (CHIP_IS_E3(bp))
  5489. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5490. LED_BLINK_RATE_VAL_E3);
  5491. else
  5492. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5493. LED_BLINK_RATE_VAL_E1X_E2);
  5494. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5495. port*4, 1);
  5496. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5497. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5498. (tmp & (~EMAC_LED_OVERRIDE)));
  5499. if (CHIP_IS_E1(bp) &&
  5500. ((speed == SPEED_2500) ||
  5501. (speed == SPEED_1000) ||
  5502. (speed == SPEED_100) ||
  5503. (speed == SPEED_10))) {
  5504. /* For speeds less than 10G LED scheme is different */
  5505. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5506. + port*4, 1);
  5507. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5508. port*4, 0);
  5509. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5510. port*4, 1);
  5511. }
  5512. break;
  5513. default:
  5514. rc = -EINVAL;
  5515. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5516. mode);
  5517. break;
  5518. }
  5519. return rc;
  5520. }
  5521. /* This function comes to reflect the actual link state read DIRECTLY from the
  5522. * HW
  5523. */
  5524. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5525. u8 is_serdes)
  5526. {
  5527. struct bnx2x *bp = params->bp;
  5528. u16 gp_status = 0, phy_index = 0;
  5529. u8 ext_phy_link_up = 0, serdes_phy_type;
  5530. struct link_vars temp_vars;
  5531. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5532. if (CHIP_IS_E3(bp)) {
  5533. u16 link_up;
  5534. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5535. > SPEED_10000) {
  5536. /* Check 20G link */
  5537. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5538. 1, &link_up);
  5539. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5540. 1, &link_up);
  5541. link_up &= (1<<2);
  5542. } else {
  5543. /* Check 10G link and below*/
  5544. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5545. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5546. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5547. &gp_status);
  5548. gp_status = ((gp_status >> 8) & 0xf) |
  5549. ((gp_status >> 12) & 0xf);
  5550. link_up = gp_status & (1 << lane);
  5551. }
  5552. if (!link_up)
  5553. return -ESRCH;
  5554. } else {
  5555. CL22_RD_OVER_CL45(bp, int_phy,
  5556. MDIO_REG_BANK_GP_STATUS,
  5557. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5558. &gp_status);
  5559. /* Link is up only if both local phy and external phy are up */
  5560. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5561. return -ESRCH;
  5562. }
  5563. /* In XGXS loopback mode, do not check external PHY */
  5564. if (params->loopback_mode == LOOPBACK_XGXS)
  5565. return 0;
  5566. switch (params->num_phys) {
  5567. case 1:
  5568. /* No external PHY */
  5569. return 0;
  5570. case 2:
  5571. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5572. &params->phy[EXT_PHY1],
  5573. params, &temp_vars);
  5574. break;
  5575. case 3: /* Dual Media */
  5576. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5577. phy_index++) {
  5578. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5579. ETH_PHY_SFP_FIBER) ||
  5580. (params->phy[phy_index].media_type ==
  5581. ETH_PHY_XFP_FIBER) ||
  5582. (params->phy[phy_index].media_type ==
  5583. ETH_PHY_DA_TWINAX));
  5584. if (is_serdes != serdes_phy_type)
  5585. continue;
  5586. if (params->phy[phy_index].read_status) {
  5587. ext_phy_link_up |=
  5588. params->phy[phy_index].read_status(
  5589. &params->phy[phy_index],
  5590. params, &temp_vars);
  5591. }
  5592. }
  5593. break;
  5594. }
  5595. if (ext_phy_link_up)
  5596. return 0;
  5597. return -ESRCH;
  5598. }
  5599. static int bnx2x_link_initialize(struct link_params *params,
  5600. struct link_vars *vars)
  5601. {
  5602. int rc = 0;
  5603. u8 phy_index, non_ext_phy;
  5604. struct bnx2x *bp = params->bp;
  5605. /* In case of external phy existence, the line speed would be the
  5606. * line speed linked up by the external phy. In case it is direct
  5607. * only, then the line_speed during initialization will be
  5608. * equal to the req_line_speed
  5609. */
  5610. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5611. /* Initialize the internal phy in case this is a direct board
  5612. * (no external phys), or this board has external phy which requires
  5613. * to first.
  5614. */
  5615. if (!USES_WARPCORE(bp))
  5616. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5617. /* init ext phy and enable link state int */
  5618. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5619. (params->loopback_mode == LOOPBACK_XGXS));
  5620. if (non_ext_phy ||
  5621. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5622. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5623. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5624. if (vars->line_speed == SPEED_AUTO_NEG &&
  5625. (CHIP_IS_E1x(bp) ||
  5626. CHIP_IS_E2(bp)))
  5627. bnx2x_set_parallel_detection(phy, params);
  5628. if (params->phy[INT_PHY].config_init)
  5629. params->phy[INT_PHY].config_init(phy,
  5630. params,
  5631. vars);
  5632. }
  5633. /* Init external phy*/
  5634. if (non_ext_phy) {
  5635. if (params->phy[INT_PHY].supported &
  5636. SUPPORTED_FIBRE)
  5637. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5638. } else {
  5639. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5640. phy_index++) {
  5641. /* No need to initialize second phy in case of first
  5642. * phy only selection. In case of second phy, we do
  5643. * need to initialize the first phy, since they are
  5644. * connected.
  5645. */
  5646. if (params->phy[phy_index].supported &
  5647. SUPPORTED_FIBRE)
  5648. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5649. if (phy_index == EXT_PHY2 &&
  5650. (bnx2x_phy_selection(params) ==
  5651. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5652. DP(NETIF_MSG_LINK,
  5653. "Not initializing second phy\n");
  5654. continue;
  5655. }
  5656. params->phy[phy_index].config_init(
  5657. &params->phy[phy_index],
  5658. params, vars);
  5659. }
  5660. }
  5661. /* Reset the interrupt indication after phy was initialized */
  5662. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5663. params->port*4,
  5664. (NIG_STATUS_XGXS0_LINK10G |
  5665. NIG_STATUS_XGXS0_LINK_STATUS |
  5666. NIG_STATUS_SERDES0_LINK_STATUS |
  5667. NIG_MASK_MI_INT));
  5668. return rc;
  5669. }
  5670. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5671. struct link_params *params)
  5672. {
  5673. /* Reset the SerDes/XGXS */
  5674. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5675. (0x1ff << (params->port*16)));
  5676. }
  5677. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5678. struct link_params *params)
  5679. {
  5680. struct bnx2x *bp = params->bp;
  5681. u8 gpio_port;
  5682. /* HW reset */
  5683. if (CHIP_IS_E2(bp))
  5684. gpio_port = BP_PATH(bp);
  5685. else
  5686. gpio_port = params->port;
  5687. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5688. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5689. gpio_port);
  5690. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5691. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5692. gpio_port);
  5693. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5694. }
  5695. static int bnx2x_update_link_down(struct link_params *params,
  5696. struct link_vars *vars)
  5697. {
  5698. struct bnx2x *bp = params->bp;
  5699. u8 port = params->port;
  5700. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5701. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5702. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5703. /* Indicate no mac active */
  5704. vars->mac_type = MAC_TYPE_NONE;
  5705. /* Update shared memory */
  5706. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5707. LINK_STATUS_LINK_UP |
  5708. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5709. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5710. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5711. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5712. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5713. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5714. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5715. vars->line_speed = 0;
  5716. bnx2x_update_mng(params, vars->link_status);
  5717. /* Activate nig drain */
  5718. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5719. /* Disable emac */
  5720. if (!CHIP_IS_E3(bp))
  5721. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5722. usleep_range(10000, 20000);
  5723. /* Reset BigMac/Xmac */
  5724. if (CHIP_IS_E1x(bp) ||
  5725. CHIP_IS_E2(bp)) {
  5726. bnx2x_bmac_rx_disable(bp, params->port);
  5727. REG_WR(bp, GRCBASE_MISC +
  5728. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5729. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5730. }
  5731. if (CHIP_IS_E3(bp)) {
  5732. /* Prevent LPI Generation by chip */
  5733. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5734. 0);
  5735. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  5736. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5737. 0);
  5738. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5739. SHMEM_EEE_ACTIVE_BIT);
  5740. bnx2x_update_mng_eee(params, vars->eee_status);
  5741. bnx2x_xmac_disable(params);
  5742. bnx2x_umac_disable(params);
  5743. }
  5744. return 0;
  5745. }
  5746. static int bnx2x_update_link_up(struct link_params *params,
  5747. struct link_vars *vars,
  5748. u8 link_10g)
  5749. {
  5750. struct bnx2x *bp = params->bp;
  5751. u8 phy_idx, port = params->port;
  5752. int rc = 0;
  5753. vars->link_status |= (LINK_STATUS_LINK_UP |
  5754. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5755. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5756. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5757. vars->link_status |=
  5758. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5759. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5760. vars->link_status |=
  5761. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5762. if (USES_WARPCORE(bp)) {
  5763. if (link_10g) {
  5764. if (bnx2x_xmac_enable(params, vars, 0) ==
  5765. -ESRCH) {
  5766. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5767. vars->link_up = 0;
  5768. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5769. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5770. }
  5771. } else
  5772. bnx2x_umac_enable(params, vars, 0);
  5773. bnx2x_set_led(params, vars,
  5774. LED_MODE_OPER, vars->line_speed);
  5775. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5776. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5777. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5778. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5779. (params->port << 2), 1);
  5780. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5781. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5782. (params->port << 2), 0xfc20);
  5783. }
  5784. }
  5785. if ((CHIP_IS_E1x(bp) ||
  5786. CHIP_IS_E2(bp))) {
  5787. if (link_10g) {
  5788. if (bnx2x_bmac_enable(params, vars, 0) ==
  5789. -ESRCH) {
  5790. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5791. vars->link_up = 0;
  5792. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5793. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5794. }
  5795. bnx2x_set_led(params, vars,
  5796. LED_MODE_OPER, SPEED_10000);
  5797. } else {
  5798. rc = bnx2x_emac_program(params, vars);
  5799. bnx2x_emac_enable(params, vars, 0);
  5800. /* AN complete? */
  5801. if ((vars->link_status &
  5802. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5803. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5804. SINGLE_MEDIA_DIRECT(params))
  5805. bnx2x_set_gmii_tx_driver(params);
  5806. }
  5807. }
  5808. /* PBF - link up */
  5809. if (CHIP_IS_E1x(bp))
  5810. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5811. vars->line_speed);
  5812. /* Disable drain */
  5813. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5814. /* Update shared memory */
  5815. bnx2x_update_mng(params, vars->link_status);
  5816. bnx2x_update_mng_eee(params, vars->eee_status);
  5817. /* Check remote fault */
  5818. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5819. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5820. bnx2x_check_half_open_conn(params, vars, 0);
  5821. break;
  5822. }
  5823. }
  5824. msleep(20);
  5825. return rc;
  5826. }
  5827. /* The bnx2x_link_update function should be called upon link
  5828. * interrupt.
  5829. * Link is considered up as follows:
  5830. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5831. * to be up
  5832. * - SINGLE_MEDIA - The link between the 577xx and the external
  5833. * phy (XGXS) need to up as well as the external link of the
  5834. * phy (PHY_EXT1)
  5835. * - DUAL_MEDIA - The link between the 577xx and the first
  5836. * external phy needs to be up, and at least one of the 2
  5837. * external phy link must be up.
  5838. */
  5839. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5840. {
  5841. struct bnx2x *bp = params->bp;
  5842. struct link_vars phy_vars[MAX_PHYS];
  5843. u8 port = params->port;
  5844. u8 link_10g_plus, phy_index;
  5845. u8 ext_phy_link_up = 0, cur_link_up;
  5846. int rc = 0;
  5847. u8 is_mi_int = 0;
  5848. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5849. u8 active_external_phy = INT_PHY;
  5850. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5851. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5852. phy_index++) {
  5853. phy_vars[phy_index].flow_ctrl = 0;
  5854. phy_vars[phy_index].link_status = 0;
  5855. phy_vars[phy_index].line_speed = 0;
  5856. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5857. phy_vars[phy_index].phy_link_up = 0;
  5858. phy_vars[phy_index].link_up = 0;
  5859. phy_vars[phy_index].fault_detected = 0;
  5860. /* different consideration, since vars holds inner state */
  5861. phy_vars[phy_index].eee_status = vars->eee_status;
  5862. }
  5863. if (USES_WARPCORE(bp))
  5864. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5865. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5866. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5867. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5868. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5869. port*0x18) > 0);
  5870. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5871. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5872. is_mi_int,
  5873. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5874. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5875. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5876. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5877. /* Disable emac */
  5878. if (!CHIP_IS_E3(bp))
  5879. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5880. /* Step 1:
  5881. * Check external link change only for external phys, and apply
  5882. * priority selection between them in case the link on both phys
  5883. * is up. Note that instead of the common vars, a temporary
  5884. * vars argument is used since each phy may have different link/
  5885. * speed/duplex result
  5886. */
  5887. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5888. phy_index++) {
  5889. struct bnx2x_phy *phy = &params->phy[phy_index];
  5890. if (!phy->read_status)
  5891. continue;
  5892. /* Read link status and params of this ext phy */
  5893. cur_link_up = phy->read_status(phy, params,
  5894. &phy_vars[phy_index]);
  5895. if (cur_link_up) {
  5896. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5897. phy_index);
  5898. } else {
  5899. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5900. phy_index);
  5901. continue;
  5902. }
  5903. if (!ext_phy_link_up) {
  5904. ext_phy_link_up = 1;
  5905. active_external_phy = phy_index;
  5906. } else {
  5907. switch (bnx2x_phy_selection(params)) {
  5908. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5909. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5910. /* In this option, the first PHY makes sure to pass the
  5911. * traffic through itself only.
  5912. * Its not clear how to reset the link on the second phy
  5913. */
  5914. active_external_phy = EXT_PHY1;
  5915. break;
  5916. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5917. /* In this option, the first PHY makes sure to pass the
  5918. * traffic through the second PHY.
  5919. */
  5920. active_external_phy = EXT_PHY2;
  5921. break;
  5922. default:
  5923. /* Link indication on both PHYs with the following cases
  5924. * is invalid:
  5925. * - FIRST_PHY means that second phy wasn't initialized,
  5926. * hence its link is expected to be down
  5927. * - SECOND_PHY means that first phy should not be able
  5928. * to link up by itself (using configuration)
  5929. * - DEFAULT should be overriden during initialiazation
  5930. */
  5931. DP(NETIF_MSG_LINK, "Invalid link indication"
  5932. "mpc=0x%x. DISABLING LINK !!!\n",
  5933. params->multi_phy_config);
  5934. ext_phy_link_up = 0;
  5935. break;
  5936. }
  5937. }
  5938. }
  5939. prev_line_speed = vars->line_speed;
  5940. /* Step 2:
  5941. * Read the status of the internal phy. In case of
  5942. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5943. * otherwise this is the link between the 577xx and the first
  5944. * external phy
  5945. */
  5946. if (params->phy[INT_PHY].read_status)
  5947. params->phy[INT_PHY].read_status(
  5948. &params->phy[INT_PHY],
  5949. params, vars);
  5950. /* The INT_PHY flow control reside in the vars. This include the
  5951. * case where the speed or flow control are not set to AUTO.
  5952. * Otherwise, the active external phy flow control result is set
  5953. * to the vars. The ext_phy_line_speed is needed to check if the
  5954. * speed is different between the internal phy and external phy.
  5955. * This case may be result of intermediate link speed change.
  5956. */
  5957. if (active_external_phy > INT_PHY) {
  5958. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5959. /* Link speed is taken from the XGXS. AN and FC result from
  5960. * the external phy.
  5961. */
  5962. vars->link_status |= phy_vars[active_external_phy].link_status;
  5963. /* if active_external_phy is first PHY and link is up - disable
  5964. * disable TX on second external PHY
  5965. */
  5966. if (active_external_phy == EXT_PHY1) {
  5967. if (params->phy[EXT_PHY2].phy_specific_func) {
  5968. DP(NETIF_MSG_LINK,
  5969. "Disabling TX on EXT_PHY2\n");
  5970. params->phy[EXT_PHY2].phy_specific_func(
  5971. &params->phy[EXT_PHY2],
  5972. params, DISABLE_TX);
  5973. }
  5974. }
  5975. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5976. vars->duplex = phy_vars[active_external_phy].duplex;
  5977. if (params->phy[active_external_phy].supported &
  5978. SUPPORTED_FIBRE)
  5979. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5980. else
  5981. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5982. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5983. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5984. active_external_phy);
  5985. }
  5986. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5987. phy_index++) {
  5988. if (params->phy[phy_index].flags &
  5989. FLAGS_REARM_LATCH_SIGNAL) {
  5990. bnx2x_rearm_latch_signal(bp, port,
  5991. phy_index ==
  5992. active_external_phy);
  5993. break;
  5994. }
  5995. }
  5996. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5997. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5998. vars->link_status, ext_phy_line_speed);
  5999. /* Upon link speed change set the NIG into drain mode. Comes to
  6000. * deals with possible FIFO glitch due to clk change when speed
  6001. * is decreased without link down indicator
  6002. */
  6003. if (vars->phy_link_up) {
  6004. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6005. (ext_phy_line_speed != vars->line_speed)) {
  6006. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6007. " different than the external"
  6008. " link speed %d\n", vars->line_speed,
  6009. ext_phy_line_speed);
  6010. vars->phy_link_up = 0;
  6011. } else if (prev_line_speed != vars->line_speed) {
  6012. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6013. 0);
  6014. usleep_range(1000, 2000);
  6015. }
  6016. }
  6017. /* Anything 10 and over uses the bmac */
  6018. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6019. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6020. /* In case external phy link is up, and internal link is down
  6021. * (not initialized yet probably after link initialization, it
  6022. * needs to be initialized.
  6023. * Note that after link down-up as result of cable plug, the xgxs
  6024. * link would probably become up again without the need
  6025. * initialize it
  6026. */
  6027. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6028. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6029. " init_preceding = %d\n", ext_phy_link_up,
  6030. vars->phy_link_up,
  6031. params->phy[EXT_PHY1].flags &
  6032. FLAGS_INIT_XGXS_FIRST);
  6033. if (!(params->phy[EXT_PHY1].flags &
  6034. FLAGS_INIT_XGXS_FIRST)
  6035. && ext_phy_link_up && !vars->phy_link_up) {
  6036. vars->line_speed = ext_phy_line_speed;
  6037. if (vars->line_speed < SPEED_1000)
  6038. vars->phy_flags |= PHY_SGMII_FLAG;
  6039. else
  6040. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6041. if (params->phy[INT_PHY].config_init)
  6042. params->phy[INT_PHY].config_init(
  6043. &params->phy[INT_PHY], params,
  6044. vars);
  6045. }
  6046. }
  6047. /* Link is up only if both local phy and external phy (in case of
  6048. * non-direct board) are up and no fault detected on active PHY.
  6049. */
  6050. vars->link_up = (vars->phy_link_up &&
  6051. (ext_phy_link_up ||
  6052. SINGLE_MEDIA_DIRECT(params)) &&
  6053. (phy_vars[active_external_phy].fault_detected == 0));
  6054. /* Update the PFC configuration in case it was changed */
  6055. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6056. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6057. else
  6058. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6059. if (vars->link_up)
  6060. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6061. else
  6062. rc = bnx2x_update_link_down(params, vars);
  6063. /* Update MCP link status was changed */
  6064. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6065. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6066. return rc;
  6067. }
  6068. /*****************************************************************************/
  6069. /* External Phy section */
  6070. /*****************************************************************************/
  6071. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6072. {
  6073. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6074. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6075. usleep_range(1000, 2000);
  6076. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6077. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6078. }
  6079. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6080. u32 spirom_ver, u32 ver_addr)
  6081. {
  6082. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6083. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6084. if (ver_addr)
  6085. REG_WR(bp, ver_addr, spirom_ver);
  6086. }
  6087. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6088. struct bnx2x_phy *phy,
  6089. u8 port)
  6090. {
  6091. u16 fw_ver1, fw_ver2;
  6092. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6093. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6094. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6095. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6096. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6097. phy->ver_addr);
  6098. }
  6099. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6100. struct bnx2x_phy *phy,
  6101. struct link_vars *vars)
  6102. {
  6103. u16 val;
  6104. bnx2x_cl45_read(bp, phy,
  6105. MDIO_AN_DEVAD,
  6106. MDIO_AN_REG_STATUS, &val);
  6107. bnx2x_cl45_read(bp, phy,
  6108. MDIO_AN_DEVAD,
  6109. MDIO_AN_REG_STATUS, &val);
  6110. if (val & (1<<5))
  6111. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6112. if ((val & (1<<0)) == 0)
  6113. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6114. }
  6115. /******************************************************************/
  6116. /* common BCM8073/BCM8727 PHY SECTION */
  6117. /******************************************************************/
  6118. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6119. struct link_params *params,
  6120. struct link_vars *vars)
  6121. {
  6122. struct bnx2x *bp = params->bp;
  6123. if (phy->req_line_speed == SPEED_10 ||
  6124. phy->req_line_speed == SPEED_100) {
  6125. vars->flow_ctrl = phy->req_flow_ctrl;
  6126. return;
  6127. }
  6128. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6129. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6130. u16 pause_result;
  6131. u16 ld_pause; /* local */
  6132. u16 lp_pause; /* link partner */
  6133. bnx2x_cl45_read(bp, phy,
  6134. MDIO_AN_DEVAD,
  6135. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6136. bnx2x_cl45_read(bp, phy,
  6137. MDIO_AN_DEVAD,
  6138. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6139. pause_result = (ld_pause &
  6140. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6141. pause_result |= (lp_pause &
  6142. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6143. bnx2x_pause_resolve(vars, pause_result);
  6144. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6145. pause_result);
  6146. }
  6147. }
  6148. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6149. struct bnx2x_phy *phy,
  6150. u8 port)
  6151. {
  6152. u32 count = 0;
  6153. u16 fw_ver1, fw_msgout;
  6154. int rc = 0;
  6155. /* Boot port from external ROM */
  6156. /* EDC grst */
  6157. bnx2x_cl45_write(bp, phy,
  6158. MDIO_PMA_DEVAD,
  6159. MDIO_PMA_REG_GEN_CTRL,
  6160. 0x0001);
  6161. /* Ucode reboot and rst */
  6162. bnx2x_cl45_write(bp, phy,
  6163. MDIO_PMA_DEVAD,
  6164. MDIO_PMA_REG_GEN_CTRL,
  6165. 0x008c);
  6166. bnx2x_cl45_write(bp, phy,
  6167. MDIO_PMA_DEVAD,
  6168. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6169. /* Reset internal microprocessor */
  6170. bnx2x_cl45_write(bp, phy,
  6171. MDIO_PMA_DEVAD,
  6172. MDIO_PMA_REG_GEN_CTRL,
  6173. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6174. /* Release srst bit */
  6175. bnx2x_cl45_write(bp, phy,
  6176. MDIO_PMA_DEVAD,
  6177. MDIO_PMA_REG_GEN_CTRL,
  6178. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6179. /* Delay 100ms per the PHY specifications */
  6180. msleep(100);
  6181. /* 8073 sometimes taking longer to download */
  6182. do {
  6183. count++;
  6184. if (count > 300) {
  6185. DP(NETIF_MSG_LINK,
  6186. "bnx2x_8073_8727_external_rom_boot port %x:"
  6187. "Download failed. fw version = 0x%x\n",
  6188. port, fw_ver1);
  6189. rc = -EINVAL;
  6190. break;
  6191. }
  6192. bnx2x_cl45_read(bp, phy,
  6193. MDIO_PMA_DEVAD,
  6194. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6195. bnx2x_cl45_read(bp, phy,
  6196. MDIO_PMA_DEVAD,
  6197. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6198. usleep_range(1000, 2000);
  6199. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6200. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6201. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6202. /* Clear ser_boot_ctl bit */
  6203. bnx2x_cl45_write(bp, phy,
  6204. MDIO_PMA_DEVAD,
  6205. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6206. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6207. DP(NETIF_MSG_LINK,
  6208. "bnx2x_8073_8727_external_rom_boot port %x:"
  6209. "Download complete. fw version = 0x%x\n",
  6210. port, fw_ver1);
  6211. return rc;
  6212. }
  6213. /******************************************************************/
  6214. /* BCM8073 PHY SECTION */
  6215. /******************************************************************/
  6216. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6217. {
  6218. /* This is only required for 8073A1, version 102 only */
  6219. u16 val;
  6220. /* Read 8073 HW revision*/
  6221. bnx2x_cl45_read(bp, phy,
  6222. MDIO_PMA_DEVAD,
  6223. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6224. if (val != 1) {
  6225. /* No need to workaround in 8073 A1 */
  6226. return 0;
  6227. }
  6228. bnx2x_cl45_read(bp, phy,
  6229. MDIO_PMA_DEVAD,
  6230. MDIO_PMA_REG_ROM_VER2, &val);
  6231. /* SNR should be applied only for version 0x102 */
  6232. if (val != 0x102)
  6233. return 0;
  6234. return 1;
  6235. }
  6236. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6237. {
  6238. u16 val, cnt, cnt1 ;
  6239. bnx2x_cl45_read(bp, phy,
  6240. MDIO_PMA_DEVAD,
  6241. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6242. if (val > 0) {
  6243. /* No need to workaround in 8073 A1 */
  6244. return 0;
  6245. }
  6246. /* XAUI workaround in 8073 A0: */
  6247. /* After loading the boot ROM and restarting Autoneg, poll
  6248. * Dev1, Reg $C820:
  6249. */
  6250. for (cnt = 0; cnt < 1000; cnt++) {
  6251. bnx2x_cl45_read(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6254. &val);
  6255. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6256. * system initialization (XAUI work-around not required, as
  6257. * these bits indicate 2.5G or 1G link up).
  6258. */
  6259. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6260. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6261. return 0;
  6262. } else if (!(val & (1<<15))) {
  6263. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6264. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6265. * MSB (bit15) goes to 1 (indicating that the XAUI
  6266. * workaround has completed), then continue on with
  6267. * system initialization.
  6268. */
  6269. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6270. bnx2x_cl45_read(bp, phy,
  6271. MDIO_PMA_DEVAD,
  6272. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6273. if (val & (1<<15)) {
  6274. DP(NETIF_MSG_LINK,
  6275. "XAUI workaround has completed\n");
  6276. return 0;
  6277. }
  6278. usleep_range(3000, 6000);
  6279. }
  6280. break;
  6281. }
  6282. usleep_range(3000, 6000);
  6283. }
  6284. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6285. return -EINVAL;
  6286. }
  6287. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6288. {
  6289. /* Force KR or KX */
  6290. bnx2x_cl45_write(bp, phy,
  6291. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6292. bnx2x_cl45_write(bp, phy,
  6293. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6294. bnx2x_cl45_write(bp, phy,
  6295. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6296. bnx2x_cl45_write(bp, phy,
  6297. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6298. }
  6299. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6300. struct bnx2x_phy *phy,
  6301. struct link_vars *vars)
  6302. {
  6303. u16 cl37_val;
  6304. struct bnx2x *bp = params->bp;
  6305. bnx2x_cl45_read(bp, phy,
  6306. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6307. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6308. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6309. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6310. if ((vars->ieee_fc &
  6311. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6312. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6313. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6314. }
  6315. if ((vars->ieee_fc &
  6316. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6317. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6318. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6319. }
  6320. if ((vars->ieee_fc &
  6321. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6322. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6323. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6324. }
  6325. DP(NETIF_MSG_LINK,
  6326. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6327. bnx2x_cl45_write(bp, phy,
  6328. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6329. msleep(500);
  6330. }
  6331. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6332. struct link_params *params,
  6333. struct link_vars *vars)
  6334. {
  6335. struct bnx2x *bp = params->bp;
  6336. u16 val = 0, tmp1;
  6337. u8 gpio_port;
  6338. DP(NETIF_MSG_LINK, "Init 8073\n");
  6339. if (CHIP_IS_E2(bp))
  6340. gpio_port = BP_PATH(bp);
  6341. else
  6342. gpio_port = params->port;
  6343. /* Restore normal power mode*/
  6344. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6345. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6346. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6347. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6348. /* Enable LASI */
  6349. bnx2x_cl45_write(bp, phy,
  6350. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6351. bnx2x_cl45_write(bp, phy,
  6352. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6353. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6354. bnx2x_cl45_read(bp, phy,
  6355. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6356. bnx2x_cl45_read(bp, phy,
  6357. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6358. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6359. /* Swap polarity if required - Must be done only in non-1G mode */
  6360. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6361. /* Configure the 8073 to swap _P and _N of the KR lines */
  6362. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6363. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6364. bnx2x_cl45_read(bp, phy,
  6365. MDIO_PMA_DEVAD,
  6366. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6367. bnx2x_cl45_write(bp, phy,
  6368. MDIO_PMA_DEVAD,
  6369. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6370. (val | (3<<9)));
  6371. }
  6372. /* Enable CL37 BAM */
  6373. if (REG_RD(bp, params->shmem_base +
  6374. offsetof(struct shmem_region, dev_info.
  6375. port_hw_config[params->port].default_cfg)) &
  6376. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6377. bnx2x_cl45_read(bp, phy,
  6378. MDIO_AN_DEVAD,
  6379. MDIO_AN_REG_8073_BAM, &val);
  6380. bnx2x_cl45_write(bp, phy,
  6381. MDIO_AN_DEVAD,
  6382. MDIO_AN_REG_8073_BAM, val | 1);
  6383. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6384. }
  6385. if (params->loopback_mode == LOOPBACK_EXT) {
  6386. bnx2x_807x_force_10G(bp, phy);
  6387. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6388. return 0;
  6389. } else {
  6390. bnx2x_cl45_write(bp, phy,
  6391. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6392. }
  6393. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6394. if (phy->req_line_speed == SPEED_10000) {
  6395. val = (1<<7);
  6396. } else if (phy->req_line_speed == SPEED_2500) {
  6397. val = (1<<5);
  6398. /* Note that 2.5G works only when used with 1G
  6399. * advertisement
  6400. */
  6401. } else
  6402. val = (1<<5);
  6403. } else {
  6404. val = 0;
  6405. if (phy->speed_cap_mask &
  6406. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6407. val |= (1<<7);
  6408. /* Note that 2.5G works only when used with 1G advertisement */
  6409. if (phy->speed_cap_mask &
  6410. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6411. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6412. val |= (1<<5);
  6413. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6414. }
  6415. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6416. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6417. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6418. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6419. (phy->req_line_speed == SPEED_2500)) {
  6420. u16 phy_ver;
  6421. /* Allow 2.5G for A1 and above */
  6422. bnx2x_cl45_read(bp, phy,
  6423. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6424. &phy_ver);
  6425. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6426. if (phy_ver > 0)
  6427. tmp1 |= 1;
  6428. else
  6429. tmp1 &= 0xfffe;
  6430. } else {
  6431. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6432. tmp1 &= 0xfffe;
  6433. }
  6434. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6435. /* Add support for CL37 (passive mode) II */
  6436. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6437. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6438. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6439. 0x20 : 0x40)));
  6440. /* Add support for CL37 (passive mode) III */
  6441. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6442. /* The SNR will improve about 2db by changing BW and FEE main
  6443. * tap. Rest commands are executed after link is up
  6444. * Change FFE main cursor to 5 in EDC register
  6445. */
  6446. if (bnx2x_8073_is_snr_needed(bp, phy))
  6447. bnx2x_cl45_write(bp, phy,
  6448. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6449. 0xFB0C);
  6450. /* Enable FEC (Forware Error Correction) Request in the AN */
  6451. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6452. tmp1 |= (1<<15);
  6453. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6454. bnx2x_ext_phy_set_pause(params, phy, vars);
  6455. /* Restart autoneg */
  6456. msleep(500);
  6457. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6458. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6459. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6460. return 0;
  6461. }
  6462. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6463. struct link_params *params,
  6464. struct link_vars *vars)
  6465. {
  6466. struct bnx2x *bp = params->bp;
  6467. u8 link_up = 0;
  6468. u16 val1, val2;
  6469. u16 link_status = 0;
  6470. u16 an1000_status = 0;
  6471. bnx2x_cl45_read(bp, phy,
  6472. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6473. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6474. /* Clear the interrupt LASI status register */
  6475. bnx2x_cl45_read(bp, phy,
  6476. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6477. bnx2x_cl45_read(bp, phy,
  6478. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6479. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6480. /* Clear MSG-OUT */
  6481. bnx2x_cl45_read(bp, phy,
  6482. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6483. /* Check the LASI */
  6484. bnx2x_cl45_read(bp, phy,
  6485. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6486. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6487. /* Check the link status */
  6488. bnx2x_cl45_read(bp, phy,
  6489. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6490. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6491. bnx2x_cl45_read(bp, phy,
  6492. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6493. bnx2x_cl45_read(bp, phy,
  6494. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6495. link_up = ((val1 & 4) == 4);
  6496. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6497. if (link_up &&
  6498. ((phy->req_line_speed != SPEED_10000))) {
  6499. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6500. return 0;
  6501. }
  6502. bnx2x_cl45_read(bp, phy,
  6503. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6504. bnx2x_cl45_read(bp, phy,
  6505. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6506. /* Check the link status on 1.1.2 */
  6507. bnx2x_cl45_read(bp, phy,
  6508. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6509. bnx2x_cl45_read(bp, phy,
  6510. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6511. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6512. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6513. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6514. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6515. /* The SNR will improve about 2dbby changing the BW and FEE main
  6516. * tap. The 1st write to change FFE main tap is set before
  6517. * restart AN. Change PLL Bandwidth in EDC register
  6518. */
  6519. bnx2x_cl45_write(bp, phy,
  6520. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6521. 0x26BC);
  6522. /* Change CDR Bandwidth in EDC register */
  6523. bnx2x_cl45_write(bp, phy,
  6524. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6525. 0x0333);
  6526. }
  6527. bnx2x_cl45_read(bp, phy,
  6528. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6529. &link_status);
  6530. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6531. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6532. link_up = 1;
  6533. vars->line_speed = SPEED_10000;
  6534. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6535. params->port);
  6536. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6537. link_up = 1;
  6538. vars->line_speed = SPEED_2500;
  6539. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6540. params->port);
  6541. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6542. link_up = 1;
  6543. vars->line_speed = SPEED_1000;
  6544. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6545. params->port);
  6546. } else {
  6547. link_up = 0;
  6548. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6549. params->port);
  6550. }
  6551. if (link_up) {
  6552. /* Swap polarity if required */
  6553. if (params->lane_config &
  6554. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6555. /* Configure the 8073 to swap P and N of the KR lines */
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_XS_DEVAD,
  6558. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6559. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6560. * when it`s in 10G mode.
  6561. */
  6562. if (vars->line_speed == SPEED_1000) {
  6563. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6564. "the 8073\n");
  6565. val1 |= (1<<3);
  6566. } else
  6567. val1 &= ~(1<<3);
  6568. bnx2x_cl45_write(bp, phy,
  6569. MDIO_XS_DEVAD,
  6570. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6571. val1);
  6572. }
  6573. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6574. bnx2x_8073_resolve_fc(phy, params, vars);
  6575. vars->duplex = DUPLEX_FULL;
  6576. }
  6577. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6578. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6579. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6580. if (val1 & (1<<5))
  6581. vars->link_status |=
  6582. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6583. if (val1 & (1<<7))
  6584. vars->link_status |=
  6585. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6586. }
  6587. return link_up;
  6588. }
  6589. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6590. struct link_params *params)
  6591. {
  6592. struct bnx2x *bp = params->bp;
  6593. u8 gpio_port;
  6594. if (CHIP_IS_E2(bp))
  6595. gpio_port = BP_PATH(bp);
  6596. else
  6597. gpio_port = params->port;
  6598. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6599. gpio_port);
  6600. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6601. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6602. gpio_port);
  6603. }
  6604. /******************************************************************/
  6605. /* BCM8705 PHY SECTION */
  6606. /******************************************************************/
  6607. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6608. struct link_params *params,
  6609. struct link_vars *vars)
  6610. {
  6611. struct bnx2x *bp = params->bp;
  6612. DP(NETIF_MSG_LINK, "init 8705\n");
  6613. /* Restore normal power mode*/
  6614. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6615. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6616. /* HW reset */
  6617. bnx2x_ext_phy_hw_reset(bp, params->port);
  6618. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6619. bnx2x_wait_reset_complete(bp, phy, params);
  6620. bnx2x_cl45_write(bp, phy,
  6621. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6622. bnx2x_cl45_write(bp, phy,
  6623. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6624. bnx2x_cl45_write(bp, phy,
  6625. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6626. bnx2x_cl45_write(bp, phy,
  6627. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6628. /* BCM8705 doesn't have microcode, hence the 0 */
  6629. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6630. return 0;
  6631. }
  6632. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6633. struct link_params *params,
  6634. struct link_vars *vars)
  6635. {
  6636. u8 link_up = 0;
  6637. u16 val1, rx_sd;
  6638. struct bnx2x *bp = params->bp;
  6639. DP(NETIF_MSG_LINK, "read status 8705\n");
  6640. bnx2x_cl45_read(bp, phy,
  6641. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6642. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6643. bnx2x_cl45_read(bp, phy,
  6644. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6645. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6646. bnx2x_cl45_read(bp, phy,
  6647. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6648. bnx2x_cl45_read(bp, phy,
  6649. MDIO_PMA_DEVAD, 0xc809, &val1);
  6650. bnx2x_cl45_read(bp, phy,
  6651. MDIO_PMA_DEVAD, 0xc809, &val1);
  6652. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6653. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6654. if (link_up) {
  6655. vars->line_speed = SPEED_10000;
  6656. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6657. }
  6658. return link_up;
  6659. }
  6660. /******************************************************************/
  6661. /* SFP+ module Section */
  6662. /******************************************************************/
  6663. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6664. struct bnx2x_phy *phy,
  6665. u8 pmd_dis)
  6666. {
  6667. struct bnx2x *bp = params->bp;
  6668. /* Disable transmitter only for bootcodes which can enable it afterwards
  6669. * (for D3 link)
  6670. */
  6671. if (pmd_dis) {
  6672. if (params->feature_config_flags &
  6673. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6674. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6675. else {
  6676. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6677. return;
  6678. }
  6679. } else
  6680. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6681. bnx2x_cl45_write(bp, phy,
  6682. MDIO_PMA_DEVAD,
  6683. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6684. }
  6685. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6686. {
  6687. u8 gpio_port;
  6688. u32 swap_val, swap_override;
  6689. struct bnx2x *bp = params->bp;
  6690. if (CHIP_IS_E2(bp))
  6691. gpio_port = BP_PATH(bp);
  6692. else
  6693. gpio_port = params->port;
  6694. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6695. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6696. return gpio_port ^ (swap_val && swap_override);
  6697. }
  6698. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6699. struct bnx2x_phy *phy,
  6700. u8 tx_en)
  6701. {
  6702. u16 val;
  6703. u8 port = params->port;
  6704. struct bnx2x *bp = params->bp;
  6705. u32 tx_en_mode;
  6706. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6707. tx_en_mode = REG_RD(bp, params->shmem_base +
  6708. offsetof(struct shmem_region,
  6709. dev_info.port_hw_config[port].sfp_ctrl)) &
  6710. PORT_HW_CFG_TX_LASER_MASK;
  6711. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6712. "mode = %x\n", tx_en, port, tx_en_mode);
  6713. switch (tx_en_mode) {
  6714. case PORT_HW_CFG_TX_LASER_MDIO:
  6715. bnx2x_cl45_read(bp, phy,
  6716. MDIO_PMA_DEVAD,
  6717. MDIO_PMA_REG_PHY_IDENTIFIER,
  6718. &val);
  6719. if (tx_en)
  6720. val &= ~(1<<15);
  6721. else
  6722. val |= (1<<15);
  6723. bnx2x_cl45_write(bp, phy,
  6724. MDIO_PMA_DEVAD,
  6725. MDIO_PMA_REG_PHY_IDENTIFIER,
  6726. val);
  6727. break;
  6728. case PORT_HW_CFG_TX_LASER_GPIO0:
  6729. case PORT_HW_CFG_TX_LASER_GPIO1:
  6730. case PORT_HW_CFG_TX_LASER_GPIO2:
  6731. case PORT_HW_CFG_TX_LASER_GPIO3:
  6732. {
  6733. u16 gpio_pin;
  6734. u8 gpio_port, gpio_mode;
  6735. if (tx_en)
  6736. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6737. else
  6738. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6739. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6740. gpio_port = bnx2x_get_gpio_port(params);
  6741. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6742. break;
  6743. }
  6744. default:
  6745. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6746. break;
  6747. }
  6748. }
  6749. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6750. struct bnx2x_phy *phy,
  6751. u8 tx_en)
  6752. {
  6753. struct bnx2x *bp = params->bp;
  6754. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6755. if (CHIP_IS_E3(bp))
  6756. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6757. else
  6758. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6759. }
  6760. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6761. struct link_params *params,
  6762. u16 addr, u8 byte_cnt, u8 *o_buf)
  6763. {
  6764. struct bnx2x *bp = params->bp;
  6765. u16 val = 0;
  6766. u16 i;
  6767. if (byte_cnt > 16) {
  6768. DP(NETIF_MSG_LINK,
  6769. "Reading from eeprom is limited to 0xf\n");
  6770. return -EINVAL;
  6771. }
  6772. /* Set the read command byte count */
  6773. bnx2x_cl45_write(bp, phy,
  6774. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6775. (byte_cnt | 0xa000));
  6776. /* Set the read command address */
  6777. bnx2x_cl45_write(bp, phy,
  6778. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6779. addr);
  6780. /* Activate read command */
  6781. bnx2x_cl45_write(bp, phy,
  6782. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6783. 0x2c0f);
  6784. /* Wait up to 500us for command complete status */
  6785. for (i = 0; i < 100; i++) {
  6786. bnx2x_cl45_read(bp, phy,
  6787. MDIO_PMA_DEVAD,
  6788. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6789. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6790. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6791. break;
  6792. udelay(5);
  6793. }
  6794. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6795. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6796. DP(NETIF_MSG_LINK,
  6797. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6798. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6799. return -EINVAL;
  6800. }
  6801. /* Read the buffer */
  6802. for (i = 0; i < byte_cnt; i++) {
  6803. bnx2x_cl45_read(bp, phy,
  6804. MDIO_PMA_DEVAD,
  6805. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6806. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6807. }
  6808. for (i = 0; i < 100; i++) {
  6809. bnx2x_cl45_read(bp, phy,
  6810. MDIO_PMA_DEVAD,
  6811. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6812. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6813. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6814. return 0;
  6815. usleep_range(1000, 2000);
  6816. }
  6817. return -EINVAL;
  6818. }
  6819. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6820. struct link_params *params,
  6821. u16 addr, u8 byte_cnt,
  6822. u8 *o_buf)
  6823. {
  6824. int rc = 0;
  6825. u8 i, j = 0, cnt = 0;
  6826. u32 data_array[4];
  6827. u16 addr32;
  6828. struct bnx2x *bp = params->bp;
  6829. if (byte_cnt > 16) {
  6830. DP(NETIF_MSG_LINK,
  6831. "Reading from eeprom is limited to 16 bytes\n");
  6832. return -EINVAL;
  6833. }
  6834. /* 4 byte aligned address */
  6835. addr32 = addr & (~0x3);
  6836. do {
  6837. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6838. data_array);
  6839. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6840. if (rc == 0) {
  6841. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6842. o_buf[j] = *((u8 *)data_array + i);
  6843. j++;
  6844. }
  6845. }
  6846. return rc;
  6847. }
  6848. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6849. struct link_params *params,
  6850. u16 addr, u8 byte_cnt, u8 *o_buf)
  6851. {
  6852. struct bnx2x *bp = params->bp;
  6853. u16 val, i;
  6854. if (byte_cnt > 16) {
  6855. DP(NETIF_MSG_LINK,
  6856. "Reading from eeprom is limited to 0xf\n");
  6857. return -EINVAL;
  6858. }
  6859. /* Need to read from 1.8000 to clear it */
  6860. bnx2x_cl45_read(bp, phy,
  6861. MDIO_PMA_DEVAD,
  6862. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6863. &val);
  6864. /* Set the read command byte count */
  6865. bnx2x_cl45_write(bp, phy,
  6866. MDIO_PMA_DEVAD,
  6867. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6868. ((byte_cnt < 2) ? 2 : byte_cnt));
  6869. /* Set the read command address */
  6870. bnx2x_cl45_write(bp, phy,
  6871. MDIO_PMA_DEVAD,
  6872. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6873. addr);
  6874. /* Set the destination address */
  6875. bnx2x_cl45_write(bp, phy,
  6876. MDIO_PMA_DEVAD,
  6877. 0x8004,
  6878. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6879. /* Activate read command */
  6880. bnx2x_cl45_write(bp, phy,
  6881. MDIO_PMA_DEVAD,
  6882. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6883. 0x8002);
  6884. /* Wait appropriate time for two-wire command to finish before
  6885. * polling the status register
  6886. */
  6887. usleep_range(1000, 2000);
  6888. /* Wait up to 500us for command complete status */
  6889. for (i = 0; i < 100; i++) {
  6890. bnx2x_cl45_read(bp, phy,
  6891. MDIO_PMA_DEVAD,
  6892. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6893. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6894. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6895. break;
  6896. udelay(5);
  6897. }
  6898. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6899. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6900. DP(NETIF_MSG_LINK,
  6901. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6902. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6903. return -EFAULT;
  6904. }
  6905. /* Read the buffer */
  6906. for (i = 0; i < byte_cnt; i++) {
  6907. bnx2x_cl45_read(bp, phy,
  6908. MDIO_PMA_DEVAD,
  6909. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6910. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6911. }
  6912. for (i = 0; i < 100; i++) {
  6913. bnx2x_cl45_read(bp, phy,
  6914. MDIO_PMA_DEVAD,
  6915. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6916. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6917. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6918. return 0;
  6919. usleep_range(1000, 2000);
  6920. }
  6921. return -EINVAL;
  6922. }
  6923. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6924. struct link_params *params, u16 addr,
  6925. u8 byte_cnt, u8 *o_buf)
  6926. {
  6927. int rc = -EINVAL;
  6928. switch (phy->type) {
  6929. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6930. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6931. byte_cnt, o_buf);
  6932. break;
  6933. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6934. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6935. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6936. byte_cnt, o_buf);
  6937. break;
  6938. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6939. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6940. byte_cnt, o_buf);
  6941. break;
  6942. }
  6943. return rc;
  6944. }
  6945. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6946. struct link_params *params,
  6947. u16 *edc_mode)
  6948. {
  6949. struct bnx2x *bp = params->bp;
  6950. u32 sync_offset = 0, phy_idx, media_types;
  6951. u8 val, check_limiting_mode = 0;
  6952. *edc_mode = EDC_MODE_LIMITING;
  6953. phy->media_type = ETH_PHY_UNSPECIFIED;
  6954. /* First check for copper cable */
  6955. if (bnx2x_read_sfp_module_eeprom(phy,
  6956. params,
  6957. SFP_EEPROM_CON_TYPE_ADDR,
  6958. 1,
  6959. &val) != 0) {
  6960. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6961. return -EINVAL;
  6962. }
  6963. switch (val) {
  6964. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6965. {
  6966. u8 copper_module_type;
  6967. phy->media_type = ETH_PHY_DA_TWINAX;
  6968. /* Check if its active cable (includes SFP+ module)
  6969. * of passive cable
  6970. */
  6971. if (bnx2x_read_sfp_module_eeprom(phy,
  6972. params,
  6973. SFP_EEPROM_FC_TX_TECH_ADDR,
  6974. 1,
  6975. &copper_module_type) != 0) {
  6976. DP(NETIF_MSG_LINK,
  6977. "Failed to read copper-cable-type"
  6978. " from SFP+ EEPROM\n");
  6979. return -EINVAL;
  6980. }
  6981. if (copper_module_type &
  6982. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6983. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6984. check_limiting_mode = 1;
  6985. } else if (copper_module_type &
  6986. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6987. DP(NETIF_MSG_LINK,
  6988. "Passive Copper cable detected\n");
  6989. *edc_mode =
  6990. EDC_MODE_PASSIVE_DAC;
  6991. } else {
  6992. DP(NETIF_MSG_LINK,
  6993. "Unknown copper-cable-type 0x%x !!!\n",
  6994. copper_module_type);
  6995. return -EINVAL;
  6996. }
  6997. break;
  6998. }
  6999. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7000. phy->media_type = ETH_PHY_SFP_FIBER;
  7001. DP(NETIF_MSG_LINK, "Optic module detected\n");
  7002. check_limiting_mode = 1;
  7003. break;
  7004. default:
  7005. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7006. val);
  7007. return -EINVAL;
  7008. }
  7009. sync_offset = params->shmem_base +
  7010. offsetof(struct shmem_region,
  7011. dev_info.port_hw_config[params->port].media_type);
  7012. media_types = REG_RD(bp, sync_offset);
  7013. /* Update media type for non-PMF sync */
  7014. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7015. if (&(params->phy[phy_idx]) == phy) {
  7016. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7017. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7018. media_types |= ((phy->media_type &
  7019. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7020. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7021. break;
  7022. }
  7023. }
  7024. REG_WR(bp, sync_offset, media_types);
  7025. if (check_limiting_mode) {
  7026. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7027. if (bnx2x_read_sfp_module_eeprom(phy,
  7028. params,
  7029. SFP_EEPROM_OPTIONS_ADDR,
  7030. SFP_EEPROM_OPTIONS_SIZE,
  7031. options) != 0) {
  7032. DP(NETIF_MSG_LINK,
  7033. "Failed to read Option field from module EEPROM\n");
  7034. return -EINVAL;
  7035. }
  7036. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7037. *edc_mode = EDC_MODE_LINEAR;
  7038. else
  7039. *edc_mode = EDC_MODE_LIMITING;
  7040. }
  7041. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7042. return 0;
  7043. }
  7044. /* This function read the relevant field from the module (SFP+), and verify it
  7045. * is compliant with this board
  7046. */
  7047. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7048. struct link_params *params)
  7049. {
  7050. struct bnx2x *bp = params->bp;
  7051. u32 val, cmd;
  7052. u32 fw_resp, fw_cmd_param;
  7053. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7054. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7055. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7056. val = REG_RD(bp, params->shmem_base +
  7057. offsetof(struct shmem_region, dev_info.
  7058. port_feature_config[params->port].config));
  7059. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7060. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7061. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7062. return 0;
  7063. }
  7064. if (params->feature_config_flags &
  7065. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7066. /* Use specific phy request */
  7067. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7068. } else if (params->feature_config_flags &
  7069. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7070. /* Use first phy request only in case of non-dual media*/
  7071. if (DUAL_MEDIA(params)) {
  7072. DP(NETIF_MSG_LINK,
  7073. "FW does not support OPT MDL verification\n");
  7074. return -EINVAL;
  7075. }
  7076. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7077. } else {
  7078. /* No support in OPT MDL detection */
  7079. DP(NETIF_MSG_LINK,
  7080. "FW does not support OPT MDL verification\n");
  7081. return -EINVAL;
  7082. }
  7083. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7084. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7085. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7086. DP(NETIF_MSG_LINK, "Approved module\n");
  7087. return 0;
  7088. }
  7089. /* Format the warning message */
  7090. if (bnx2x_read_sfp_module_eeprom(phy,
  7091. params,
  7092. SFP_EEPROM_VENDOR_NAME_ADDR,
  7093. SFP_EEPROM_VENDOR_NAME_SIZE,
  7094. (u8 *)vendor_name))
  7095. vendor_name[0] = '\0';
  7096. else
  7097. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7098. if (bnx2x_read_sfp_module_eeprom(phy,
  7099. params,
  7100. SFP_EEPROM_PART_NO_ADDR,
  7101. SFP_EEPROM_PART_NO_SIZE,
  7102. (u8 *)vendor_pn))
  7103. vendor_pn[0] = '\0';
  7104. else
  7105. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7106. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7107. " Port %d from %s part number %s\n",
  7108. params->port, vendor_name, vendor_pn);
  7109. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7110. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7111. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7112. return -EINVAL;
  7113. }
  7114. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7115. struct link_params *params)
  7116. {
  7117. u8 val;
  7118. struct bnx2x *bp = params->bp;
  7119. u16 timeout;
  7120. /* Initialization time after hot-plug may take up to 300ms for
  7121. * some phys type ( e.g. JDSU )
  7122. */
  7123. for (timeout = 0; timeout < 60; timeout++) {
  7124. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7125. == 0) {
  7126. DP(NETIF_MSG_LINK,
  7127. "SFP+ module initialization took %d ms\n",
  7128. timeout * 5);
  7129. return 0;
  7130. }
  7131. usleep_range(5000, 10000);
  7132. }
  7133. return -EINVAL;
  7134. }
  7135. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7136. struct bnx2x_phy *phy,
  7137. u8 is_power_up) {
  7138. /* Make sure GPIOs are not using for LED mode */
  7139. u16 val;
  7140. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7141. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7142. * output
  7143. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7144. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7145. * where the 1st bit is the over-current(only input), and 2nd bit is
  7146. * for power( only output )
  7147. *
  7148. * In case of NOC feature is disabled and power is up, set GPIO control
  7149. * as input to enable listening of over-current indication
  7150. */
  7151. if (phy->flags & FLAGS_NOC)
  7152. return;
  7153. if (is_power_up)
  7154. val = (1<<4);
  7155. else
  7156. /* Set GPIO control to OUTPUT, and set the power bit
  7157. * to according to the is_power_up
  7158. */
  7159. val = (1<<1);
  7160. bnx2x_cl45_write(bp, phy,
  7161. MDIO_PMA_DEVAD,
  7162. MDIO_PMA_REG_8727_GPIO_CTRL,
  7163. val);
  7164. }
  7165. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7166. struct bnx2x_phy *phy,
  7167. u16 edc_mode)
  7168. {
  7169. u16 cur_limiting_mode;
  7170. bnx2x_cl45_read(bp, phy,
  7171. MDIO_PMA_DEVAD,
  7172. MDIO_PMA_REG_ROM_VER2,
  7173. &cur_limiting_mode);
  7174. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7175. cur_limiting_mode);
  7176. if (edc_mode == EDC_MODE_LIMITING) {
  7177. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7178. bnx2x_cl45_write(bp, phy,
  7179. MDIO_PMA_DEVAD,
  7180. MDIO_PMA_REG_ROM_VER2,
  7181. EDC_MODE_LIMITING);
  7182. } else { /* LRM mode ( default )*/
  7183. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7184. /* Changing to LRM mode takes quite few seconds. So do it only
  7185. * if current mode is limiting (default is LRM)
  7186. */
  7187. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7188. return 0;
  7189. bnx2x_cl45_write(bp, phy,
  7190. MDIO_PMA_DEVAD,
  7191. MDIO_PMA_REG_LRM_MODE,
  7192. 0);
  7193. bnx2x_cl45_write(bp, phy,
  7194. MDIO_PMA_DEVAD,
  7195. MDIO_PMA_REG_ROM_VER2,
  7196. 0x128);
  7197. bnx2x_cl45_write(bp, phy,
  7198. MDIO_PMA_DEVAD,
  7199. MDIO_PMA_REG_MISC_CTRL0,
  7200. 0x4008);
  7201. bnx2x_cl45_write(bp, phy,
  7202. MDIO_PMA_DEVAD,
  7203. MDIO_PMA_REG_LRM_MODE,
  7204. 0xaaaa);
  7205. }
  7206. return 0;
  7207. }
  7208. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7209. struct bnx2x_phy *phy,
  7210. u16 edc_mode)
  7211. {
  7212. u16 phy_identifier;
  7213. u16 rom_ver2_val;
  7214. bnx2x_cl45_read(bp, phy,
  7215. MDIO_PMA_DEVAD,
  7216. MDIO_PMA_REG_PHY_IDENTIFIER,
  7217. &phy_identifier);
  7218. bnx2x_cl45_write(bp, phy,
  7219. MDIO_PMA_DEVAD,
  7220. MDIO_PMA_REG_PHY_IDENTIFIER,
  7221. (phy_identifier & ~(1<<9)));
  7222. bnx2x_cl45_read(bp, phy,
  7223. MDIO_PMA_DEVAD,
  7224. MDIO_PMA_REG_ROM_VER2,
  7225. &rom_ver2_val);
  7226. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7227. bnx2x_cl45_write(bp, phy,
  7228. MDIO_PMA_DEVAD,
  7229. MDIO_PMA_REG_ROM_VER2,
  7230. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7231. bnx2x_cl45_write(bp, phy,
  7232. MDIO_PMA_DEVAD,
  7233. MDIO_PMA_REG_PHY_IDENTIFIER,
  7234. (phy_identifier | (1<<9)));
  7235. return 0;
  7236. }
  7237. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7238. struct link_params *params,
  7239. u32 action)
  7240. {
  7241. struct bnx2x *bp = params->bp;
  7242. switch (action) {
  7243. case DISABLE_TX:
  7244. bnx2x_sfp_set_transmitter(params, phy, 0);
  7245. break;
  7246. case ENABLE_TX:
  7247. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7248. bnx2x_sfp_set_transmitter(params, phy, 1);
  7249. break;
  7250. default:
  7251. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7252. action);
  7253. return;
  7254. }
  7255. }
  7256. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7257. u8 gpio_mode)
  7258. {
  7259. struct bnx2x *bp = params->bp;
  7260. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7261. offsetof(struct shmem_region,
  7262. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7263. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7264. switch (fault_led_gpio) {
  7265. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7266. return;
  7267. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7268. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7269. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7270. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7271. {
  7272. u8 gpio_port = bnx2x_get_gpio_port(params);
  7273. u16 gpio_pin = fault_led_gpio -
  7274. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7275. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7276. "pin %x port %x mode %x\n",
  7277. gpio_pin, gpio_port, gpio_mode);
  7278. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7279. }
  7280. break;
  7281. default:
  7282. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7283. fault_led_gpio);
  7284. }
  7285. }
  7286. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7287. u8 gpio_mode)
  7288. {
  7289. u32 pin_cfg;
  7290. u8 port = params->port;
  7291. struct bnx2x *bp = params->bp;
  7292. pin_cfg = (REG_RD(bp, params->shmem_base +
  7293. offsetof(struct shmem_region,
  7294. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7295. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7296. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7297. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7298. gpio_mode, pin_cfg);
  7299. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7300. }
  7301. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7302. u8 gpio_mode)
  7303. {
  7304. struct bnx2x *bp = params->bp;
  7305. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7306. if (CHIP_IS_E3(bp)) {
  7307. /* Low ==> if SFP+ module is supported otherwise
  7308. * High ==> if SFP+ module is not on the approved vendor list
  7309. */
  7310. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7311. } else
  7312. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7313. }
  7314. static void bnx2x_warpcore_power_module(struct link_params *params,
  7315. struct bnx2x_phy *phy,
  7316. u8 power)
  7317. {
  7318. u32 pin_cfg;
  7319. struct bnx2x *bp = params->bp;
  7320. pin_cfg = (REG_RD(bp, params->shmem_base +
  7321. offsetof(struct shmem_region,
  7322. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7323. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7324. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7325. if (pin_cfg == PIN_CFG_NA)
  7326. return;
  7327. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7328. power, pin_cfg);
  7329. /* Low ==> corresponding SFP+ module is powered
  7330. * high ==> the SFP+ module is powered down
  7331. */
  7332. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7333. }
  7334. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7335. struct link_params *params)
  7336. {
  7337. struct bnx2x *bp = params->bp;
  7338. bnx2x_warpcore_power_module(params, phy, 0);
  7339. /* Put Warpcore in low power mode */
  7340. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7341. /* Put LCPLL in low power mode */
  7342. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7343. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7344. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7345. }
  7346. static void bnx2x_power_sfp_module(struct link_params *params,
  7347. struct bnx2x_phy *phy,
  7348. u8 power)
  7349. {
  7350. struct bnx2x *bp = params->bp;
  7351. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7352. switch (phy->type) {
  7353. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7354. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7355. bnx2x_8727_power_module(params->bp, phy, power);
  7356. break;
  7357. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7358. bnx2x_warpcore_power_module(params, phy, power);
  7359. break;
  7360. default:
  7361. break;
  7362. }
  7363. }
  7364. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7365. struct bnx2x_phy *phy,
  7366. u16 edc_mode)
  7367. {
  7368. u16 val = 0;
  7369. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7370. struct bnx2x *bp = params->bp;
  7371. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7372. /* This is a global register which controls all lanes */
  7373. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7374. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7375. val &= ~(0xf << (lane << 2));
  7376. switch (edc_mode) {
  7377. case EDC_MODE_LINEAR:
  7378. case EDC_MODE_LIMITING:
  7379. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7380. break;
  7381. case EDC_MODE_PASSIVE_DAC:
  7382. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7383. break;
  7384. default:
  7385. break;
  7386. }
  7387. val |= (mode << (lane << 2));
  7388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7389. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7390. /* A must read */
  7391. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7392. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7393. /* Restart microcode to re-read the new mode */
  7394. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7395. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7396. }
  7397. static void bnx2x_set_limiting_mode(struct link_params *params,
  7398. struct bnx2x_phy *phy,
  7399. u16 edc_mode)
  7400. {
  7401. switch (phy->type) {
  7402. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7403. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7404. break;
  7405. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7406. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7407. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7408. break;
  7409. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7410. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7411. break;
  7412. }
  7413. }
  7414. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7415. struct link_params *params)
  7416. {
  7417. struct bnx2x *bp = params->bp;
  7418. u16 edc_mode;
  7419. int rc = 0;
  7420. u32 val = REG_RD(bp, params->shmem_base +
  7421. offsetof(struct shmem_region, dev_info.
  7422. port_feature_config[params->port].config));
  7423. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7424. params->port);
  7425. /* Power up module */
  7426. bnx2x_power_sfp_module(params, phy, 1);
  7427. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7428. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7429. return -EINVAL;
  7430. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7431. /* Check SFP+ module compatibility */
  7432. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7433. rc = -EINVAL;
  7434. /* Turn on fault module-detected led */
  7435. bnx2x_set_sfp_module_fault_led(params,
  7436. MISC_REGISTERS_GPIO_HIGH);
  7437. /* Check if need to power down the SFP+ module */
  7438. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7439. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7440. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7441. bnx2x_power_sfp_module(params, phy, 0);
  7442. return rc;
  7443. }
  7444. } else {
  7445. /* Turn off fault module-detected led */
  7446. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7447. }
  7448. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7449. * is done automatically
  7450. */
  7451. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7452. /* Enable transmit for this module if the module is approved, or
  7453. * if unapproved modules should also enable the Tx laser
  7454. */
  7455. if (rc == 0 ||
  7456. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7457. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7458. bnx2x_sfp_set_transmitter(params, phy, 1);
  7459. else
  7460. bnx2x_sfp_set_transmitter(params, phy, 0);
  7461. return rc;
  7462. }
  7463. void bnx2x_handle_module_detect_int(struct link_params *params)
  7464. {
  7465. struct bnx2x *bp = params->bp;
  7466. struct bnx2x_phy *phy;
  7467. u32 gpio_val;
  7468. u8 gpio_num, gpio_port;
  7469. if (CHIP_IS_E3(bp))
  7470. phy = &params->phy[INT_PHY];
  7471. else
  7472. phy = &params->phy[EXT_PHY1];
  7473. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7474. params->port, &gpio_num, &gpio_port) ==
  7475. -EINVAL) {
  7476. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7477. return;
  7478. }
  7479. /* Set valid module led off */
  7480. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7481. /* Get current gpio val reflecting module plugged in / out*/
  7482. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7483. /* Call the handling function in case module is detected */
  7484. if (gpio_val == 0) {
  7485. bnx2x_power_sfp_module(params, phy, 1);
  7486. bnx2x_set_gpio_int(bp, gpio_num,
  7487. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7488. gpio_port);
  7489. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7490. bnx2x_sfp_module_detection(phy, params);
  7491. else
  7492. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7493. } else {
  7494. u32 val = REG_RD(bp, params->shmem_base +
  7495. offsetof(struct shmem_region, dev_info.
  7496. port_feature_config[params->port].
  7497. config));
  7498. bnx2x_set_gpio_int(bp, gpio_num,
  7499. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7500. gpio_port);
  7501. /* Module was plugged out.
  7502. * Disable transmit for this module
  7503. */
  7504. phy->media_type = ETH_PHY_NOT_PRESENT;
  7505. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7506. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7507. CHIP_IS_E3(bp))
  7508. bnx2x_sfp_set_transmitter(params, phy, 0);
  7509. }
  7510. }
  7511. /******************************************************************/
  7512. /* Used by 8706 and 8727 */
  7513. /******************************************************************/
  7514. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7515. struct bnx2x_phy *phy,
  7516. u16 alarm_status_offset,
  7517. u16 alarm_ctrl_offset)
  7518. {
  7519. u16 alarm_status, val;
  7520. bnx2x_cl45_read(bp, phy,
  7521. MDIO_PMA_DEVAD, alarm_status_offset,
  7522. &alarm_status);
  7523. bnx2x_cl45_read(bp, phy,
  7524. MDIO_PMA_DEVAD, alarm_status_offset,
  7525. &alarm_status);
  7526. /* Mask or enable the fault event. */
  7527. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7528. if (alarm_status & (1<<0))
  7529. val &= ~(1<<0);
  7530. else
  7531. val |= (1<<0);
  7532. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7533. }
  7534. /******************************************************************/
  7535. /* common BCM8706/BCM8726 PHY SECTION */
  7536. /******************************************************************/
  7537. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7538. struct link_params *params,
  7539. struct link_vars *vars)
  7540. {
  7541. u8 link_up = 0;
  7542. u16 val1, val2, rx_sd, pcs_status;
  7543. struct bnx2x *bp = params->bp;
  7544. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7545. /* Clear RX Alarm*/
  7546. bnx2x_cl45_read(bp, phy,
  7547. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7548. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7549. MDIO_PMA_LASI_TXCTRL);
  7550. /* Clear LASI indication*/
  7551. bnx2x_cl45_read(bp, phy,
  7552. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7553. bnx2x_cl45_read(bp, phy,
  7554. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7555. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7556. bnx2x_cl45_read(bp, phy,
  7557. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7558. bnx2x_cl45_read(bp, phy,
  7559. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7560. bnx2x_cl45_read(bp, phy,
  7561. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7562. bnx2x_cl45_read(bp, phy,
  7563. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7564. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7565. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7566. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7567. * are set, or if the autoneg bit 1 is set
  7568. */
  7569. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7570. if (link_up) {
  7571. if (val2 & (1<<1))
  7572. vars->line_speed = SPEED_1000;
  7573. else
  7574. vars->line_speed = SPEED_10000;
  7575. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7576. vars->duplex = DUPLEX_FULL;
  7577. }
  7578. /* Capture 10G link fault. Read twice to clear stale value. */
  7579. if (vars->line_speed == SPEED_10000) {
  7580. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7581. MDIO_PMA_LASI_TXSTAT, &val1);
  7582. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7583. MDIO_PMA_LASI_TXSTAT, &val1);
  7584. if (val1 & (1<<0))
  7585. vars->fault_detected = 1;
  7586. }
  7587. return link_up;
  7588. }
  7589. /******************************************************************/
  7590. /* BCM8706 PHY SECTION */
  7591. /******************************************************************/
  7592. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7593. struct link_params *params,
  7594. struct link_vars *vars)
  7595. {
  7596. u32 tx_en_mode;
  7597. u16 cnt, val, tmp1;
  7598. struct bnx2x *bp = params->bp;
  7599. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7600. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7601. /* HW reset */
  7602. bnx2x_ext_phy_hw_reset(bp, params->port);
  7603. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7604. bnx2x_wait_reset_complete(bp, phy, params);
  7605. /* Wait until fw is loaded */
  7606. for (cnt = 0; cnt < 100; cnt++) {
  7607. bnx2x_cl45_read(bp, phy,
  7608. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7609. if (val)
  7610. break;
  7611. usleep_range(10000, 20000);
  7612. }
  7613. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7614. if ((params->feature_config_flags &
  7615. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7616. u8 i;
  7617. u16 reg;
  7618. for (i = 0; i < 4; i++) {
  7619. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7620. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7621. MDIO_XS_8706_REG_BANK_RX0);
  7622. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7623. /* Clear first 3 bits of the control */
  7624. val &= ~0x7;
  7625. /* Set control bits according to configuration */
  7626. val |= (phy->rx_preemphasis[i] & 0x7);
  7627. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7628. " reg 0x%x <-- val 0x%x\n", reg, val);
  7629. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7630. }
  7631. }
  7632. /* Force speed */
  7633. if (phy->req_line_speed == SPEED_10000) {
  7634. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7635. bnx2x_cl45_write(bp, phy,
  7636. MDIO_PMA_DEVAD,
  7637. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7638. bnx2x_cl45_write(bp, phy,
  7639. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7640. 0);
  7641. /* Arm LASI for link and Tx fault. */
  7642. bnx2x_cl45_write(bp, phy,
  7643. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7644. } else {
  7645. /* Force 1Gbps using autoneg with 1G advertisement */
  7646. /* Allow CL37 through CL73 */
  7647. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7648. bnx2x_cl45_write(bp, phy,
  7649. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7650. /* Enable Full-Duplex advertisement on CL37 */
  7651. bnx2x_cl45_write(bp, phy,
  7652. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7653. /* Enable CL37 AN */
  7654. bnx2x_cl45_write(bp, phy,
  7655. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7656. /* 1G support */
  7657. bnx2x_cl45_write(bp, phy,
  7658. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7659. /* Enable clause 73 AN */
  7660. bnx2x_cl45_write(bp, phy,
  7661. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7662. bnx2x_cl45_write(bp, phy,
  7663. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7664. 0x0400);
  7665. bnx2x_cl45_write(bp, phy,
  7666. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7667. 0x0004);
  7668. }
  7669. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7670. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7671. * power mode, if TX Laser is disabled
  7672. */
  7673. tx_en_mode = REG_RD(bp, params->shmem_base +
  7674. offsetof(struct shmem_region,
  7675. dev_info.port_hw_config[params->port].sfp_ctrl))
  7676. & PORT_HW_CFG_TX_LASER_MASK;
  7677. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7678. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7679. bnx2x_cl45_read(bp, phy,
  7680. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7681. tmp1 |= 0x1;
  7682. bnx2x_cl45_write(bp, phy,
  7683. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7684. }
  7685. return 0;
  7686. }
  7687. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7688. struct link_params *params,
  7689. struct link_vars *vars)
  7690. {
  7691. return bnx2x_8706_8726_read_status(phy, params, vars);
  7692. }
  7693. /******************************************************************/
  7694. /* BCM8726 PHY SECTION */
  7695. /******************************************************************/
  7696. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7697. struct link_params *params)
  7698. {
  7699. struct bnx2x *bp = params->bp;
  7700. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7701. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7702. }
  7703. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7704. struct link_params *params)
  7705. {
  7706. struct bnx2x *bp = params->bp;
  7707. /* Need to wait 100ms after reset */
  7708. msleep(100);
  7709. /* Micro controller re-boot */
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7712. /* Set soft reset */
  7713. bnx2x_cl45_write(bp, phy,
  7714. MDIO_PMA_DEVAD,
  7715. MDIO_PMA_REG_GEN_CTRL,
  7716. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7717. bnx2x_cl45_write(bp, phy,
  7718. MDIO_PMA_DEVAD,
  7719. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7720. bnx2x_cl45_write(bp, phy,
  7721. MDIO_PMA_DEVAD,
  7722. MDIO_PMA_REG_GEN_CTRL,
  7723. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7724. /* Wait for 150ms for microcode load */
  7725. msleep(150);
  7726. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7727. bnx2x_cl45_write(bp, phy,
  7728. MDIO_PMA_DEVAD,
  7729. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7730. msleep(200);
  7731. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7732. }
  7733. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7734. struct link_params *params,
  7735. struct link_vars *vars)
  7736. {
  7737. struct bnx2x *bp = params->bp;
  7738. u16 val1;
  7739. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7740. if (link_up) {
  7741. bnx2x_cl45_read(bp, phy,
  7742. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7743. &val1);
  7744. if (val1 & (1<<15)) {
  7745. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7746. link_up = 0;
  7747. vars->line_speed = 0;
  7748. }
  7749. }
  7750. return link_up;
  7751. }
  7752. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7753. struct link_params *params,
  7754. struct link_vars *vars)
  7755. {
  7756. struct bnx2x *bp = params->bp;
  7757. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7758. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7759. bnx2x_wait_reset_complete(bp, phy, params);
  7760. bnx2x_8726_external_rom_boot(phy, params);
  7761. /* Need to call module detected on initialization since the module
  7762. * detection triggered by actual module insertion might occur before
  7763. * driver is loaded, and when driver is loaded, it reset all
  7764. * registers, including the transmitter
  7765. */
  7766. bnx2x_sfp_module_detection(phy, params);
  7767. if (phy->req_line_speed == SPEED_1000) {
  7768. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7769. bnx2x_cl45_write(bp, phy,
  7770. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7771. bnx2x_cl45_write(bp, phy,
  7772. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7775. bnx2x_cl45_write(bp, phy,
  7776. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7777. 0x400);
  7778. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7779. (phy->speed_cap_mask &
  7780. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7781. ((phy->speed_cap_mask &
  7782. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7783. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7784. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7785. /* Set Flow control */
  7786. bnx2x_ext_phy_set_pause(params, phy, vars);
  7787. bnx2x_cl45_write(bp, phy,
  7788. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7789. bnx2x_cl45_write(bp, phy,
  7790. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7791. bnx2x_cl45_write(bp, phy,
  7792. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7797. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7798. * change
  7799. */
  7800. bnx2x_cl45_write(bp, phy,
  7801. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7802. bnx2x_cl45_write(bp, phy,
  7803. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7804. 0x400);
  7805. } else { /* Default 10G. Set only LASI control */
  7806. bnx2x_cl45_write(bp, phy,
  7807. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7808. }
  7809. /* Set TX PreEmphasis if needed */
  7810. if ((params->feature_config_flags &
  7811. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7812. DP(NETIF_MSG_LINK,
  7813. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7814. phy->tx_preemphasis[0],
  7815. phy->tx_preemphasis[1]);
  7816. bnx2x_cl45_write(bp, phy,
  7817. MDIO_PMA_DEVAD,
  7818. MDIO_PMA_REG_8726_TX_CTRL1,
  7819. phy->tx_preemphasis[0]);
  7820. bnx2x_cl45_write(bp, phy,
  7821. MDIO_PMA_DEVAD,
  7822. MDIO_PMA_REG_8726_TX_CTRL2,
  7823. phy->tx_preemphasis[1]);
  7824. }
  7825. return 0;
  7826. }
  7827. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7828. struct link_params *params)
  7829. {
  7830. struct bnx2x *bp = params->bp;
  7831. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7832. /* Set serial boot control for external load */
  7833. bnx2x_cl45_write(bp, phy,
  7834. MDIO_PMA_DEVAD,
  7835. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7836. }
  7837. /******************************************************************/
  7838. /* BCM8727 PHY SECTION */
  7839. /******************************************************************/
  7840. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7841. struct link_params *params, u8 mode)
  7842. {
  7843. struct bnx2x *bp = params->bp;
  7844. u16 led_mode_bitmask = 0;
  7845. u16 gpio_pins_bitmask = 0;
  7846. u16 val;
  7847. /* Only NOC flavor requires to set the LED specifically */
  7848. if (!(phy->flags & FLAGS_NOC))
  7849. return;
  7850. switch (mode) {
  7851. case LED_MODE_FRONT_PANEL_OFF:
  7852. case LED_MODE_OFF:
  7853. led_mode_bitmask = 0;
  7854. gpio_pins_bitmask = 0x03;
  7855. break;
  7856. case LED_MODE_ON:
  7857. led_mode_bitmask = 0;
  7858. gpio_pins_bitmask = 0x02;
  7859. break;
  7860. case LED_MODE_OPER:
  7861. led_mode_bitmask = 0x60;
  7862. gpio_pins_bitmask = 0x11;
  7863. break;
  7864. }
  7865. bnx2x_cl45_read(bp, phy,
  7866. MDIO_PMA_DEVAD,
  7867. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7868. &val);
  7869. val &= 0xff8f;
  7870. val |= led_mode_bitmask;
  7871. bnx2x_cl45_write(bp, phy,
  7872. MDIO_PMA_DEVAD,
  7873. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7874. val);
  7875. bnx2x_cl45_read(bp, phy,
  7876. MDIO_PMA_DEVAD,
  7877. MDIO_PMA_REG_8727_GPIO_CTRL,
  7878. &val);
  7879. val &= 0xffe0;
  7880. val |= gpio_pins_bitmask;
  7881. bnx2x_cl45_write(bp, phy,
  7882. MDIO_PMA_DEVAD,
  7883. MDIO_PMA_REG_8727_GPIO_CTRL,
  7884. val);
  7885. }
  7886. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7887. struct link_params *params) {
  7888. u32 swap_val, swap_override;
  7889. u8 port;
  7890. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7891. * to cancel the swap done in set_gpio()
  7892. */
  7893. struct bnx2x *bp = params->bp;
  7894. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7895. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7896. port = (swap_val && swap_override) ^ 1;
  7897. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7898. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7899. }
  7900. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7901. struct link_params *params,
  7902. struct link_vars *vars)
  7903. {
  7904. u32 tx_en_mode;
  7905. u16 tmp1, val, mod_abs, tmp2;
  7906. u16 rx_alarm_ctrl_val;
  7907. u16 lasi_ctrl_val;
  7908. struct bnx2x *bp = params->bp;
  7909. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7910. bnx2x_wait_reset_complete(bp, phy, params);
  7911. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7912. /* Should be 0x6 to enable XS on Tx side. */
  7913. lasi_ctrl_val = 0x0006;
  7914. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7915. /* Enable LASI */
  7916. bnx2x_cl45_write(bp, phy,
  7917. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7918. rx_alarm_ctrl_val);
  7919. bnx2x_cl45_write(bp, phy,
  7920. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7921. 0);
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7924. /* Initially configure MOD_ABS to interrupt when module is
  7925. * presence( bit 8)
  7926. */
  7927. bnx2x_cl45_read(bp, phy,
  7928. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7929. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7930. * When the EDC is off it locks onto a reference clock and avoids
  7931. * becoming 'lost'
  7932. */
  7933. mod_abs &= ~(1<<8);
  7934. if (!(phy->flags & FLAGS_NOC))
  7935. mod_abs &= ~(1<<9);
  7936. bnx2x_cl45_write(bp, phy,
  7937. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7938. /* Enable/Disable PHY transmitter output */
  7939. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7940. /* Make MOD_ABS give interrupt on change */
  7941. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7942. &val);
  7943. val |= (1<<12);
  7944. if (phy->flags & FLAGS_NOC)
  7945. val |= (3<<5);
  7946. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7947. * status which reflect SFP+ module over-current
  7948. */
  7949. if (!(phy->flags & FLAGS_NOC))
  7950. val &= 0xff8f; /* Reset bits 4-6 */
  7951. bnx2x_cl45_write(bp, phy,
  7952. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7953. bnx2x_8727_power_module(bp, phy, 1);
  7954. bnx2x_cl45_read(bp, phy,
  7955. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7956. bnx2x_cl45_read(bp, phy,
  7957. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7958. /* Set option 1G speed */
  7959. if (phy->req_line_speed == SPEED_1000) {
  7960. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7963. bnx2x_cl45_write(bp, phy,
  7964. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7965. bnx2x_cl45_read(bp, phy,
  7966. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7967. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7968. /* Power down the XAUI until link is up in case of dual-media
  7969. * and 1G
  7970. */
  7971. if (DUAL_MEDIA(params)) {
  7972. bnx2x_cl45_read(bp, phy,
  7973. MDIO_PMA_DEVAD,
  7974. MDIO_PMA_REG_8727_PCS_GP, &val);
  7975. val |= (3<<10);
  7976. bnx2x_cl45_write(bp, phy,
  7977. MDIO_PMA_DEVAD,
  7978. MDIO_PMA_REG_8727_PCS_GP, val);
  7979. }
  7980. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7981. ((phy->speed_cap_mask &
  7982. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7983. ((phy->speed_cap_mask &
  7984. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7985. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7986. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7991. } else {
  7992. /* Since the 8727 has only single reset pin, need to set the 10G
  7993. * registers although it is default
  7994. */
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7997. 0x0020);
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8000. bnx2x_cl45_write(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8004. 0x0008);
  8005. }
  8006. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8007. * to 100Khz since some DACs(direct attached cables) do
  8008. * not work at 400Khz.
  8009. */
  8010. bnx2x_cl45_write(bp, phy,
  8011. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8012. 0xa001);
  8013. /* Set TX PreEmphasis if needed */
  8014. if ((params->feature_config_flags &
  8015. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8016. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8017. phy->tx_preemphasis[0],
  8018. phy->tx_preemphasis[1]);
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8021. phy->tx_preemphasis[0]);
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8024. phy->tx_preemphasis[1]);
  8025. }
  8026. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8027. * power mode, if TX Laser is disabled
  8028. */
  8029. tx_en_mode = REG_RD(bp, params->shmem_base +
  8030. offsetof(struct shmem_region,
  8031. dev_info.port_hw_config[params->port].sfp_ctrl))
  8032. & PORT_HW_CFG_TX_LASER_MASK;
  8033. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8034. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8035. bnx2x_cl45_read(bp, phy,
  8036. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8037. tmp2 |= 0x1000;
  8038. tmp2 &= 0xFFEF;
  8039. bnx2x_cl45_write(bp, phy,
  8040. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8041. bnx2x_cl45_read(bp, phy,
  8042. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8043. &tmp2);
  8044. bnx2x_cl45_write(bp, phy,
  8045. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8046. (tmp2 & 0x7fff));
  8047. }
  8048. return 0;
  8049. }
  8050. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8051. struct link_params *params)
  8052. {
  8053. struct bnx2x *bp = params->bp;
  8054. u16 mod_abs, rx_alarm_status;
  8055. u32 val = REG_RD(bp, params->shmem_base +
  8056. offsetof(struct shmem_region, dev_info.
  8057. port_feature_config[params->port].
  8058. config));
  8059. bnx2x_cl45_read(bp, phy,
  8060. MDIO_PMA_DEVAD,
  8061. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8062. if (mod_abs & (1<<8)) {
  8063. /* Module is absent */
  8064. DP(NETIF_MSG_LINK,
  8065. "MOD_ABS indication show module is absent\n");
  8066. phy->media_type = ETH_PHY_NOT_PRESENT;
  8067. /* 1. Set mod_abs to detect next module
  8068. * presence event
  8069. * 2. Set EDC off by setting OPTXLOS signal input to low
  8070. * (bit 9).
  8071. * When the EDC is off it locks onto a reference clock and
  8072. * avoids becoming 'lost'.
  8073. */
  8074. mod_abs &= ~(1<<8);
  8075. if (!(phy->flags & FLAGS_NOC))
  8076. mod_abs &= ~(1<<9);
  8077. bnx2x_cl45_write(bp, phy,
  8078. MDIO_PMA_DEVAD,
  8079. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8080. /* Clear RX alarm since it stays up as long as
  8081. * the mod_abs wasn't changed
  8082. */
  8083. bnx2x_cl45_read(bp, phy,
  8084. MDIO_PMA_DEVAD,
  8085. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8086. } else {
  8087. /* Module is present */
  8088. DP(NETIF_MSG_LINK,
  8089. "MOD_ABS indication show module is present\n");
  8090. /* First disable transmitter, and if the module is ok, the
  8091. * module_detection will enable it
  8092. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8093. * 2. Restore the default polarity of the OPRXLOS signal and
  8094. * this signal will then correctly indicate the presence or
  8095. * absence of the Rx signal. (bit 9)
  8096. */
  8097. mod_abs |= (1<<8);
  8098. if (!(phy->flags & FLAGS_NOC))
  8099. mod_abs |= (1<<9);
  8100. bnx2x_cl45_write(bp, phy,
  8101. MDIO_PMA_DEVAD,
  8102. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8103. /* Clear RX alarm since it stays up as long as the mod_abs
  8104. * wasn't changed. This is need to be done before calling the
  8105. * module detection, otherwise it will clear* the link update
  8106. * alarm
  8107. */
  8108. bnx2x_cl45_read(bp, phy,
  8109. MDIO_PMA_DEVAD,
  8110. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8111. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8112. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8113. bnx2x_sfp_set_transmitter(params, phy, 0);
  8114. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8115. bnx2x_sfp_module_detection(phy, params);
  8116. else
  8117. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8118. }
  8119. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8120. rx_alarm_status);
  8121. /* No need to check link status in case of module plugged in/out */
  8122. }
  8123. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8124. struct link_params *params,
  8125. struct link_vars *vars)
  8126. {
  8127. struct bnx2x *bp = params->bp;
  8128. u8 link_up = 0, oc_port = params->port;
  8129. u16 link_status = 0;
  8130. u16 rx_alarm_status, lasi_ctrl, val1;
  8131. /* If PHY is not initialized, do not check link status */
  8132. bnx2x_cl45_read(bp, phy,
  8133. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8134. &lasi_ctrl);
  8135. if (!lasi_ctrl)
  8136. return 0;
  8137. /* Check the LASI on Rx */
  8138. bnx2x_cl45_read(bp, phy,
  8139. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8140. &rx_alarm_status);
  8141. vars->line_speed = 0;
  8142. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8143. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8144. MDIO_PMA_LASI_TXCTRL);
  8145. bnx2x_cl45_read(bp, phy,
  8146. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8147. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8148. /* Clear MSG-OUT */
  8149. bnx2x_cl45_read(bp, phy,
  8150. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8151. /* If a module is present and there is need to check
  8152. * for over current
  8153. */
  8154. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8155. /* Check over-current using 8727 GPIO0 input*/
  8156. bnx2x_cl45_read(bp, phy,
  8157. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8158. &val1);
  8159. if ((val1 & (1<<8)) == 0) {
  8160. if (!CHIP_IS_E1x(bp))
  8161. oc_port = BP_PATH(bp) + (params->port << 1);
  8162. DP(NETIF_MSG_LINK,
  8163. "8727 Power fault has been detected on port %d\n",
  8164. oc_port);
  8165. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8166. "been detected and the power to "
  8167. "that SFP+ module has been removed "
  8168. "to prevent failure of the card. "
  8169. "Please remove the SFP+ module and "
  8170. "restart the system to clear this "
  8171. "error.\n",
  8172. oc_port);
  8173. /* Disable all RX_ALARMs except for mod_abs */
  8174. bnx2x_cl45_write(bp, phy,
  8175. MDIO_PMA_DEVAD,
  8176. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8177. bnx2x_cl45_read(bp, phy,
  8178. MDIO_PMA_DEVAD,
  8179. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8180. /* Wait for module_absent_event */
  8181. val1 |= (1<<8);
  8182. bnx2x_cl45_write(bp, phy,
  8183. MDIO_PMA_DEVAD,
  8184. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8185. /* Clear RX alarm */
  8186. bnx2x_cl45_read(bp, phy,
  8187. MDIO_PMA_DEVAD,
  8188. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8189. return 0;
  8190. }
  8191. } /* Over current check */
  8192. /* When module absent bit is set, check module */
  8193. if (rx_alarm_status & (1<<5)) {
  8194. bnx2x_8727_handle_mod_abs(phy, params);
  8195. /* Enable all mod_abs and link detection bits */
  8196. bnx2x_cl45_write(bp, phy,
  8197. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8198. ((1<<5) | (1<<2)));
  8199. }
  8200. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8201. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8202. bnx2x_sfp_set_transmitter(params, phy, 1);
  8203. } else {
  8204. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8205. return 0;
  8206. }
  8207. bnx2x_cl45_read(bp, phy,
  8208. MDIO_PMA_DEVAD,
  8209. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8210. /* Bits 0..2 --> speed detected,
  8211. * Bits 13..15--> link is down
  8212. */
  8213. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8214. link_up = 1;
  8215. vars->line_speed = SPEED_10000;
  8216. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8217. params->port);
  8218. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8219. link_up = 1;
  8220. vars->line_speed = SPEED_1000;
  8221. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8222. params->port);
  8223. } else {
  8224. link_up = 0;
  8225. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8226. params->port);
  8227. }
  8228. /* Capture 10G link fault. */
  8229. if (vars->line_speed == SPEED_10000) {
  8230. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8231. MDIO_PMA_LASI_TXSTAT, &val1);
  8232. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8233. MDIO_PMA_LASI_TXSTAT, &val1);
  8234. if (val1 & (1<<0)) {
  8235. vars->fault_detected = 1;
  8236. }
  8237. }
  8238. if (link_up) {
  8239. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8240. vars->duplex = DUPLEX_FULL;
  8241. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8242. }
  8243. if ((DUAL_MEDIA(params)) &&
  8244. (phy->req_line_speed == SPEED_1000)) {
  8245. bnx2x_cl45_read(bp, phy,
  8246. MDIO_PMA_DEVAD,
  8247. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8248. /* In case of dual-media board and 1G, power up the XAUI side,
  8249. * otherwise power it down. For 10G it is done automatically
  8250. */
  8251. if (link_up)
  8252. val1 &= ~(3<<10);
  8253. else
  8254. val1 |= (3<<10);
  8255. bnx2x_cl45_write(bp, phy,
  8256. MDIO_PMA_DEVAD,
  8257. MDIO_PMA_REG_8727_PCS_GP, val1);
  8258. }
  8259. return link_up;
  8260. }
  8261. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8262. struct link_params *params)
  8263. {
  8264. struct bnx2x *bp = params->bp;
  8265. /* Enable/Disable PHY transmitter output */
  8266. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8267. /* Disable Transmitter */
  8268. bnx2x_sfp_set_transmitter(params, phy, 0);
  8269. /* Clear LASI */
  8270. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8271. }
  8272. /******************************************************************/
  8273. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8274. /******************************************************************/
  8275. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8276. struct bnx2x *bp,
  8277. u8 port)
  8278. {
  8279. u16 val, fw_ver1, fw_ver2, cnt;
  8280. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8281. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8282. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8283. phy->ver_addr);
  8284. } else {
  8285. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8286. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8287. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8288. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8289. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8290. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8291. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8292. for (cnt = 0; cnt < 100; cnt++) {
  8293. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8294. if (val & 1)
  8295. break;
  8296. udelay(5);
  8297. }
  8298. if (cnt == 100) {
  8299. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8300. "phy fw version(1)\n");
  8301. bnx2x_save_spirom_version(bp, port, 0,
  8302. phy->ver_addr);
  8303. return;
  8304. }
  8305. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8306. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8307. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8308. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8309. for (cnt = 0; cnt < 100; cnt++) {
  8310. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8311. if (val & 1)
  8312. break;
  8313. udelay(5);
  8314. }
  8315. if (cnt == 100) {
  8316. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8317. "version(2)\n");
  8318. bnx2x_save_spirom_version(bp, port, 0,
  8319. phy->ver_addr);
  8320. return;
  8321. }
  8322. /* lower 16 bits of the register SPI_FW_STATUS */
  8323. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8324. /* upper 16 bits of register SPI_FW_STATUS */
  8325. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8326. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8327. phy->ver_addr);
  8328. }
  8329. }
  8330. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8331. struct bnx2x_phy *phy)
  8332. {
  8333. u16 val, offset;
  8334. /* PHYC_CTL_LED_CTL */
  8335. bnx2x_cl45_read(bp, phy,
  8336. MDIO_PMA_DEVAD,
  8337. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8338. val &= 0xFE00;
  8339. val |= 0x0092;
  8340. bnx2x_cl45_write(bp, phy,
  8341. MDIO_PMA_DEVAD,
  8342. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8343. bnx2x_cl45_write(bp, phy,
  8344. MDIO_PMA_DEVAD,
  8345. MDIO_PMA_REG_8481_LED1_MASK,
  8346. 0x80);
  8347. bnx2x_cl45_write(bp, phy,
  8348. MDIO_PMA_DEVAD,
  8349. MDIO_PMA_REG_8481_LED2_MASK,
  8350. 0x18);
  8351. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8352. bnx2x_cl45_write(bp, phy,
  8353. MDIO_PMA_DEVAD,
  8354. MDIO_PMA_REG_8481_LED3_MASK,
  8355. 0x0006);
  8356. /* Select the closest activity blink rate to that in 10/100/1000 */
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_PMA_DEVAD,
  8359. MDIO_PMA_REG_8481_LED3_BLINK,
  8360. 0);
  8361. /* Configure the blink rate to ~15.9 Hz */
  8362. bnx2x_cl45_write(bp, phy,
  8363. MDIO_PMA_DEVAD,
  8364. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8365. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8366. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8367. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8368. else
  8369. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8370. bnx2x_cl45_read(bp, phy,
  8371. MDIO_PMA_DEVAD, offset, &val);
  8372. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8373. bnx2x_cl45_write(bp, phy,
  8374. MDIO_PMA_DEVAD, offset, val);
  8375. /* 'Interrupt Mask' */
  8376. bnx2x_cl45_write(bp, phy,
  8377. MDIO_AN_DEVAD,
  8378. 0xFFFB, 0xFFFD);
  8379. }
  8380. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8381. struct link_params *params,
  8382. struct link_vars *vars)
  8383. {
  8384. struct bnx2x *bp = params->bp;
  8385. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8386. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8387. /* Save spirom version */
  8388. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8389. }
  8390. /* This phy uses the NIG latch mechanism since link indication
  8391. * arrives through its LED4 and not via its LASI signal, so we
  8392. * get steady signal instead of clear on read
  8393. */
  8394. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8395. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8396. bnx2x_cl45_write(bp, phy,
  8397. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8398. bnx2x_848xx_set_led(bp, phy);
  8399. /* set 1000 speed advertisement */
  8400. bnx2x_cl45_read(bp, phy,
  8401. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8402. &an_1000_val);
  8403. bnx2x_ext_phy_set_pause(params, phy, vars);
  8404. bnx2x_cl45_read(bp, phy,
  8405. MDIO_AN_DEVAD,
  8406. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8407. &an_10_100_val);
  8408. bnx2x_cl45_read(bp, phy,
  8409. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8410. &autoneg_val);
  8411. /* Disable forced speed */
  8412. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8413. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8414. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8415. (phy->speed_cap_mask &
  8416. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8417. (phy->req_line_speed == SPEED_1000)) {
  8418. an_1000_val |= (1<<8);
  8419. autoneg_val |= (1<<9 | 1<<12);
  8420. if (phy->req_duplex == DUPLEX_FULL)
  8421. an_1000_val |= (1<<9);
  8422. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8423. } else
  8424. an_1000_val &= ~((1<<8) | (1<<9));
  8425. bnx2x_cl45_write(bp, phy,
  8426. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8427. an_1000_val);
  8428. /* set 100 speed advertisement */
  8429. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8430. (phy->speed_cap_mask &
  8431. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8432. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8433. an_10_100_val |= (1<<7);
  8434. /* Enable autoneg and restart autoneg for legacy speeds */
  8435. autoneg_val |= (1<<9 | 1<<12);
  8436. if (phy->req_duplex == DUPLEX_FULL)
  8437. an_10_100_val |= (1<<8);
  8438. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8439. }
  8440. /* set 10 speed advertisement */
  8441. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8442. (phy->speed_cap_mask &
  8443. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8444. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8445. (phy->supported &
  8446. (SUPPORTED_10baseT_Half |
  8447. SUPPORTED_10baseT_Full)))) {
  8448. an_10_100_val |= (1<<5);
  8449. autoneg_val |= (1<<9 | 1<<12);
  8450. if (phy->req_duplex == DUPLEX_FULL)
  8451. an_10_100_val |= (1<<6);
  8452. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8453. }
  8454. /* Only 10/100 are allowed to work in FORCE mode */
  8455. if ((phy->req_line_speed == SPEED_100) &&
  8456. (phy->supported &
  8457. (SUPPORTED_100baseT_Half |
  8458. SUPPORTED_100baseT_Full))) {
  8459. autoneg_val |= (1<<13);
  8460. /* Enabled AUTO-MDIX when autoneg is disabled */
  8461. bnx2x_cl45_write(bp, phy,
  8462. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8463. (1<<15 | 1<<9 | 7<<0));
  8464. /* The PHY needs this set even for forced link. */
  8465. an_10_100_val |= (1<<8) | (1<<7);
  8466. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8467. }
  8468. if ((phy->req_line_speed == SPEED_10) &&
  8469. (phy->supported &
  8470. (SUPPORTED_10baseT_Half |
  8471. SUPPORTED_10baseT_Full))) {
  8472. /* Enabled AUTO-MDIX when autoneg is disabled */
  8473. bnx2x_cl45_write(bp, phy,
  8474. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8475. (1<<15 | 1<<9 | 7<<0));
  8476. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8477. }
  8478. bnx2x_cl45_write(bp, phy,
  8479. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8480. an_10_100_val);
  8481. if (phy->req_duplex == DUPLEX_FULL)
  8482. autoneg_val |= (1<<8);
  8483. /* Always write this if this is not 84833.
  8484. * For 84833, write it only when it's a forced speed.
  8485. */
  8486. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8487. ((autoneg_val & (1<<12)) == 0))
  8488. bnx2x_cl45_write(bp, phy,
  8489. MDIO_AN_DEVAD,
  8490. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8491. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8492. (phy->speed_cap_mask &
  8493. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8494. (phy->req_line_speed == SPEED_10000)) {
  8495. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8496. /* Restart autoneg for 10G*/
  8497. bnx2x_cl45_read(bp, phy,
  8498. MDIO_AN_DEVAD,
  8499. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8500. &an_10g_val);
  8501. bnx2x_cl45_write(bp, phy,
  8502. MDIO_AN_DEVAD,
  8503. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8504. an_10g_val | 0x1000);
  8505. bnx2x_cl45_write(bp, phy,
  8506. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8507. 0x3200);
  8508. } else
  8509. bnx2x_cl45_write(bp, phy,
  8510. MDIO_AN_DEVAD,
  8511. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8512. 1);
  8513. return 0;
  8514. }
  8515. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8516. struct link_params *params,
  8517. struct link_vars *vars)
  8518. {
  8519. struct bnx2x *bp = params->bp;
  8520. /* Restore normal power mode*/
  8521. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8522. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8523. /* HW reset */
  8524. bnx2x_ext_phy_hw_reset(bp, params->port);
  8525. bnx2x_wait_reset_complete(bp, phy, params);
  8526. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8527. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8528. }
  8529. #define PHY84833_CMDHDLR_WAIT 300
  8530. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8531. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8532. struct link_params *params,
  8533. u16 fw_cmd,
  8534. u16 cmd_args[], int argc)
  8535. {
  8536. int idx;
  8537. u16 val;
  8538. struct bnx2x *bp = params->bp;
  8539. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8540. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8541. MDIO_84833_CMD_HDLR_STATUS,
  8542. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8543. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8544. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8545. MDIO_84833_CMD_HDLR_STATUS, &val);
  8546. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8547. break;
  8548. usleep_range(1000, 2000);
  8549. }
  8550. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8551. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8552. return -EINVAL;
  8553. }
  8554. /* Prepare argument(s) and issue command */
  8555. for (idx = 0; idx < argc; idx++) {
  8556. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8557. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8558. cmd_args[idx]);
  8559. }
  8560. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8561. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8562. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8563. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8564. MDIO_84833_CMD_HDLR_STATUS, &val);
  8565. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8566. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8567. break;
  8568. usleep_range(1000, 2000);
  8569. }
  8570. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8571. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8572. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8573. return -EINVAL;
  8574. }
  8575. /* Gather returning data */
  8576. for (idx = 0; idx < argc; idx++) {
  8577. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8578. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8579. &cmd_args[idx]);
  8580. }
  8581. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8582. MDIO_84833_CMD_HDLR_STATUS,
  8583. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8584. return 0;
  8585. }
  8586. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8587. struct link_params *params,
  8588. struct link_vars *vars)
  8589. {
  8590. u32 pair_swap;
  8591. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8592. int status;
  8593. struct bnx2x *bp = params->bp;
  8594. /* Check for configuration. */
  8595. pair_swap = REG_RD(bp, params->shmem_base +
  8596. offsetof(struct shmem_region,
  8597. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8598. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8599. if (pair_swap == 0)
  8600. return 0;
  8601. /* Only the second argument is used for this command */
  8602. data[1] = (u16)pair_swap;
  8603. status = bnx2x_84833_cmd_hdlr(phy, params,
  8604. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8605. if (status == 0)
  8606. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8607. return status;
  8608. }
  8609. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8610. u32 shmem_base_path[],
  8611. u32 chip_id)
  8612. {
  8613. u32 reset_pin[2];
  8614. u32 idx;
  8615. u8 reset_gpios;
  8616. if (CHIP_IS_E3(bp)) {
  8617. /* Assume that these will be GPIOs, not EPIOs. */
  8618. for (idx = 0; idx < 2; idx++) {
  8619. /* Map config param to register bit. */
  8620. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8621. offsetof(struct shmem_region,
  8622. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8623. reset_pin[idx] = (reset_pin[idx] &
  8624. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8625. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8626. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8627. reset_pin[idx] = (1 << reset_pin[idx]);
  8628. }
  8629. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8630. } else {
  8631. /* E2, look from diff place of shmem. */
  8632. for (idx = 0; idx < 2; idx++) {
  8633. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8634. offsetof(struct shmem_region,
  8635. dev_info.port_hw_config[0].default_cfg));
  8636. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8637. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8638. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8639. reset_pin[idx] = (1 << reset_pin[idx]);
  8640. }
  8641. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8642. }
  8643. return reset_gpios;
  8644. }
  8645. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8646. struct link_params *params)
  8647. {
  8648. struct bnx2x *bp = params->bp;
  8649. u8 reset_gpios;
  8650. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8651. offsetof(struct shmem2_region,
  8652. other_shmem_base_addr));
  8653. u32 shmem_base_path[2];
  8654. /* Work around for 84833 LED failure inside RESET status */
  8655. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8656. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8657. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8658. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8659. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8660. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8661. shmem_base_path[0] = params->shmem_base;
  8662. shmem_base_path[1] = other_shmem_base_addr;
  8663. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8664. params->chip_id);
  8665. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8666. udelay(10);
  8667. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8668. reset_gpios);
  8669. return 0;
  8670. }
  8671. static int bnx2x_8483x_eee_timers(struct link_params *params,
  8672. struct link_vars *vars)
  8673. {
  8674. u32 eee_idle = 0, eee_mode;
  8675. struct bnx2x *bp = params->bp;
  8676. eee_idle = bnx2x_eee_calc_timer(params);
  8677. if (eee_idle) {
  8678. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  8679. eee_idle);
  8680. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  8681. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  8682. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  8683. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  8684. return -EINVAL;
  8685. }
  8686. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  8687. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  8688. /* eee_idle in 1u --> eee_status in 16u */
  8689. eee_idle >>= 4;
  8690. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  8691. SHMEM_EEE_TIME_OUTPUT_BIT;
  8692. } else {
  8693. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  8694. return -EINVAL;
  8695. vars->eee_status |= eee_mode;
  8696. }
  8697. return 0;
  8698. }
  8699. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8700. struct link_params *params,
  8701. struct link_vars *vars)
  8702. {
  8703. int rc;
  8704. struct bnx2x *bp = params->bp;
  8705. u16 cmd_args = 0;
  8706. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8707. /* Make Certain LPI is disabled */
  8708. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  8709. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  8710. /* Prevent Phy from working in EEE and advertising it */
  8711. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8712. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8713. if (rc) {
  8714. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8715. return rc;
  8716. }
  8717. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
  8718. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8719. return 0;
  8720. }
  8721. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8722. struct link_params *params,
  8723. struct link_vars *vars)
  8724. {
  8725. int rc;
  8726. struct bnx2x *bp = params->bp;
  8727. u16 cmd_args = 1;
  8728. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  8729. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8730. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8731. if (rc) {
  8732. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8733. return rc;
  8734. }
  8735. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
  8736. /* Mask events preventing LPI generation */
  8737. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  8738. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8739. vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
  8740. return 0;
  8741. }
  8742. #define PHY84833_CONSTANT_LATENCY 1193
  8743. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8744. struct link_params *params,
  8745. struct link_vars *vars)
  8746. {
  8747. struct bnx2x *bp = params->bp;
  8748. u8 port, initialize = 1;
  8749. u16 val;
  8750. u32 actual_phy_selection, cms_enable;
  8751. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8752. int rc = 0;
  8753. usleep_range(1000, 2000);
  8754. if (!(CHIP_IS_E1(bp)))
  8755. port = BP_PATH(bp);
  8756. else
  8757. port = params->port;
  8758. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8759. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8760. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8761. port);
  8762. } else {
  8763. /* MDIO reset */
  8764. bnx2x_cl45_write(bp, phy,
  8765. MDIO_PMA_DEVAD,
  8766. MDIO_PMA_REG_CTRL, 0x8000);
  8767. }
  8768. bnx2x_wait_reset_complete(bp, phy, params);
  8769. /* Wait for GPHY to come out of reset */
  8770. msleep(50);
  8771. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8772. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8773. * behavior.
  8774. */
  8775. u16 temp;
  8776. temp = vars->line_speed;
  8777. vars->line_speed = SPEED_10000;
  8778. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8779. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8780. vars->line_speed = temp;
  8781. }
  8782. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8783. MDIO_CTL_REG_84823_MEDIA, &val);
  8784. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8785. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8786. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8787. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8788. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8789. if (CHIP_IS_E3(bp)) {
  8790. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8791. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8792. } else {
  8793. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8794. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8795. }
  8796. actual_phy_selection = bnx2x_phy_selection(params);
  8797. switch (actual_phy_selection) {
  8798. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8799. /* Do nothing. Essentially this is like the priority copper */
  8800. break;
  8801. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8802. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8803. break;
  8804. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8805. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8806. break;
  8807. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8808. /* Do nothing here. The first PHY won't be initialized at all */
  8809. break;
  8810. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8811. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8812. initialize = 0;
  8813. break;
  8814. }
  8815. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8816. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8817. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8818. MDIO_CTL_REG_84823_MEDIA, val);
  8819. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8820. params->multi_phy_config, val);
  8821. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8822. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8823. /* Keep AutogrEEEn disabled. */
  8824. cmd_args[0] = 0x0;
  8825. cmd_args[1] = 0x0;
  8826. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8827. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8828. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8829. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8830. PHY84833_CMDHDLR_MAX_ARGS);
  8831. if (rc)
  8832. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8833. }
  8834. if (initialize)
  8835. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8836. else
  8837. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8838. /* 84833 PHY has a better feature and doesn't need to support this. */
  8839. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8840. cms_enable = REG_RD(bp, params->shmem_base +
  8841. offsetof(struct shmem_region,
  8842. dev_info.port_hw_config[params->port].default_cfg)) &
  8843. PORT_HW_CFG_ENABLE_CMS_MASK;
  8844. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8845. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8846. if (cms_enable)
  8847. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8848. else
  8849. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8850. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8851. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8852. }
  8853. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8854. MDIO_84833_TOP_CFG_FW_REV, &val);
  8855. /* Configure EEE support */
  8856. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  8857. phy->flags |= FLAGS_EEE_10GBT;
  8858. vars->eee_status |= SHMEM_EEE_10G_ADV <<
  8859. SHMEM_EEE_SUPPORTED_SHIFT;
  8860. /* Propogate params' bits --> vars (for migration exposure) */
  8861. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  8862. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  8863. else
  8864. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  8865. if (params->eee_mode & EEE_MODE_ADV_LPI)
  8866. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  8867. else
  8868. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  8869. rc = bnx2x_8483x_eee_timers(params, vars);
  8870. if (rc) {
  8871. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8872. bnx2x_8483x_disable_eee(phy, params, vars);
  8873. return rc;
  8874. }
  8875. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8876. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8877. (bnx2x_eee_calc_timer(params) ||
  8878. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8879. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8880. else
  8881. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8882. if (rc) {
  8883. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8884. return rc;
  8885. }
  8886. } else {
  8887. phy->flags &= ~FLAGS_EEE_10GBT;
  8888. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8889. }
  8890. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8891. /* Bring PHY out of super isolate mode as the final step. */
  8892. bnx2x_cl45_read(bp, phy,
  8893. MDIO_CTL_DEVAD,
  8894. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8895. val &= ~MDIO_84833_SUPER_ISOLATE;
  8896. bnx2x_cl45_write(bp, phy,
  8897. MDIO_CTL_DEVAD,
  8898. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8899. }
  8900. return rc;
  8901. }
  8902. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8903. struct link_params *params,
  8904. struct link_vars *vars)
  8905. {
  8906. struct bnx2x *bp = params->bp;
  8907. u16 val, val1, val2;
  8908. u8 link_up = 0;
  8909. /* Check 10G-BaseT link status */
  8910. /* Check PMD signal ok */
  8911. bnx2x_cl45_read(bp, phy,
  8912. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8913. bnx2x_cl45_read(bp, phy,
  8914. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8915. &val2);
  8916. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8917. /* Check link 10G */
  8918. if (val2 & (1<<11)) {
  8919. vars->line_speed = SPEED_10000;
  8920. vars->duplex = DUPLEX_FULL;
  8921. link_up = 1;
  8922. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8923. } else { /* Check Legacy speed link */
  8924. u16 legacy_status, legacy_speed;
  8925. /* Enable expansion register 0x42 (Operation mode status) */
  8926. bnx2x_cl45_write(bp, phy,
  8927. MDIO_AN_DEVAD,
  8928. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8929. /* Get legacy speed operation status */
  8930. bnx2x_cl45_read(bp, phy,
  8931. MDIO_AN_DEVAD,
  8932. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8933. &legacy_status);
  8934. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8935. legacy_status);
  8936. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8937. legacy_speed = (legacy_status & (3<<9));
  8938. if (legacy_speed == (0<<9))
  8939. vars->line_speed = SPEED_10;
  8940. else if (legacy_speed == (1<<9))
  8941. vars->line_speed = SPEED_100;
  8942. else if (legacy_speed == (2<<9))
  8943. vars->line_speed = SPEED_1000;
  8944. else { /* Should not happen: Treat as link down */
  8945. vars->line_speed = 0;
  8946. link_up = 0;
  8947. }
  8948. if (link_up) {
  8949. if (legacy_status & (1<<8))
  8950. vars->duplex = DUPLEX_FULL;
  8951. else
  8952. vars->duplex = DUPLEX_HALF;
  8953. DP(NETIF_MSG_LINK,
  8954. "Link is up in %dMbps, is_duplex_full= %d\n",
  8955. vars->line_speed,
  8956. (vars->duplex == DUPLEX_FULL));
  8957. /* Check legacy speed AN resolution */
  8958. bnx2x_cl45_read(bp, phy,
  8959. MDIO_AN_DEVAD,
  8960. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8961. &val);
  8962. if (val & (1<<5))
  8963. vars->link_status |=
  8964. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8965. bnx2x_cl45_read(bp, phy,
  8966. MDIO_AN_DEVAD,
  8967. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8968. &val);
  8969. if ((val & (1<<0)) == 0)
  8970. vars->link_status |=
  8971. LINK_STATUS_PARALLEL_DETECTION_USED;
  8972. }
  8973. }
  8974. if (link_up) {
  8975. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  8976. vars->line_speed);
  8977. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8978. /* Read LP advertised speeds */
  8979. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8980. MDIO_AN_REG_CL37_FC_LP, &val);
  8981. if (val & (1<<5))
  8982. vars->link_status |=
  8983. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8984. if (val & (1<<6))
  8985. vars->link_status |=
  8986. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8987. if (val & (1<<7))
  8988. vars->link_status |=
  8989. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8990. if (val & (1<<8))
  8991. vars->link_status |=
  8992. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8993. if (val & (1<<9))
  8994. vars->link_status |=
  8995. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8996. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8997. MDIO_AN_REG_1000T_STATUS, &val);
  8998. if (val & (1<<10))
  8999. vars->link_status |=
  9000. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9001. if (val & (1<<11))
  9002. vars->link_status |=
  9003. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9004. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9005. MDIO_AN_REG_MASTER_STATUS, &val);
  9006. if (val & (1<<11))
  9007. vars->link_status |=
  9008. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9009. /* Determine if EEE was negotiated */
  9010. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9011. u32 eee_shmem = 0;
  9012. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9013. MDIO_AN_REG_EEE_ADV, &val1);
  9014. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9015. MDIO_AN_REG_LP_EEE_ADV, &val2);
  9016. if ((val1 & val2) & 0x8) {
  9017. DP(NETIF_MSG_LINK, "EEE negotiated\n");
  9018. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  9019. }
  9020. if (val2 & 0x12)
  9021. eee_shmem |= SHMEM_EEE_100M_ADV;
  9022. if (val2 & 0x4)
  9023. eee_shmem |= SHMEM_EEE_1G_ADV;
  9024. if (val2 & 0x68)
  9025. eee_shmem |= SHMEM_EEE_10G_ADV;
  9026. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  9027. vars->eee_status |= (eee_shmem <<
  9028. SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  9029. }
  9030. }
  9031. return link_up;
  9032. }
  9033. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9034. {
  9035. int status = 0;
  9036. u32 spirom_ver;
  9037. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9038. status = bnx2x_format_ver(spirom_ver, str, len);
  9039. return status;
  9040. }
  9041. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9042. struct link_params *params)
  9043. {
  9044. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9045. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9046. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9047. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9048. }
  9049. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9050. struct link_params *params)
  9051. {
  9052. bnx2x_cl45_write(params->bp, phy,
  9053. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9054. bnx2x_cl45_write(params->bp, phy,
  9055. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9056. }
  9057. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9058. struct link_params *params)
  9059. {
  9060. struct bnx2x *bp = params->bp;
  9061. u8 port;
  9062. u16 val16;
  9063. if (!(CHIP_IS_E1x(bp)))
  9064. port = BP_PATH(bp);
  9065. else
  9066. port = params->port;
  9067. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9068. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9069. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9070. port);
  9071. } else {
  9072. bnx2x_cl45_read(bp, phy,
  9073. MDIO_CTL_DEVAD,
  9074. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9075. val16 |= MDIO_84833_SUPER_ISOLATE;
  9076. bnx2x_cl45_write(bp, phy,
  9077. MDIO_CTL_DEVAD,
  9078. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9079. }
  9080. }
  9081. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9082. struct link_params *params, u8 mode)
  9083. {
  9084. struct bnx2x *bp = params->bp;
  9085. u16 val;
  9086. u8 port;
  9087. if (!(CHIP_IS_E1x(bp)))
  9088. port = BP_PATH(bp);
  9089. else
  9090. port = params->port;
  9091. switch (mode) {
  9092. case LED_MODE_OFF:
  9093. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9094. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9095. SHARED_HW_CFG_LED_EXTPHY1) {
  9096. /* Set LED masks */
  9097. bnx2x_cl45_write(bp, phy,
  9098. MDIO_PMA_DEVAD,
  9099. MDIO_PMA_REG_8481_LED1_MASK,
  9100. 0x0);
  9101. bnx2x_cl45_write(bp, phy,
  9102. MDIO_PMA_DEVAD,
  9103. MDIO_PMA_REG_8481_LED2_MASK,
  9104. 0x0);
  9105. bnx2x_cl45_write(bp, phy,
  9106. MDIO_PMA_DEVAD,
  9107. MDIO_PMA_REG_8481_LED3_MASK,
  9108. 0x0);
  9109. bnx2x_cl45_write(bp, phy,
  9110. MDIO_PMA_DEVAD,
  9111. MDIO_PMA_REG_8481_LED5_MASK,
  9112. 0x0);
  9113. } else {
  9114. bnx2x_cl45_write(bp, phy,
  9115. MDIO_PMA_DEVAD,
  9116. MDIO_PMA_REG_8481_LED1_MASK,
  9117. 0x0);
  9118. }
  9119. break;
  9120. case LED_MODE_FRONT_PANEL_OFF:
  9121. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9122. port);
  9123. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9124. SHARED_HW_CFG_LED_EXTPHY1) {
  9125. /* Set LED masks */
  9126. bnx2x_cl45_write(bp, phy,
  9127. MDIO_PMA_DEVAD,
  9128. MDIO_PMA_REG_8481_LED1_MASK,
  9129. 0x0);
  9130. bnx2x_cl45_write(bp, phy,
  9131. MDIO_PMA_DEVAD,
  9132. MDIO_PMA_REG_8481_LED2_MASK,
  9133. 0x0);
  9134. bnx2x_cl45_write(bp, phy,
  9135. MDIO_PMA_DEVAD,
  9136. MDIO_PMA_REG_8481_LED3_MASK,
  9137. 0x0);
  9138. bnx2x_cl45_write(bp, phy,
  9139. MDIO_PMA_DEVAD,
  9140. MDIO_PMA_REG_8481_LED5_MASK,
  9141. 0x20);
  9142. } else {
  9143. bnx2x_cl45_write(bp, phy,
  9144. MDIO_PMA_DEVAD,
  9145. MDIO_PMA_REG_8481_LED1_MASK,
  9146. 0x0);
  9147. }
  9148. break;
  9149. case LED_MODE_ON:
  9150. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9151. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9152. SHARED_HW_CFG_LED_EXTPHY1) {
  9153. /* Set control reg */
  9154. bnx2x_cl45_read(bp, phy,
  9155. MDIO_PMA_DEVAD,
  9156. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9157. &val);
  9158. val &= 0x8000;
  9159. val |= 0x2492;
  9160. bnx2x_cl45_write(bp, phy,
  9161. MDIO_PMA_DEVAD,
  9162. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9163. val);
  9164. /* Set LED masks */
  9165. bnx2x_cl45_write(bp, phy,
  9166. MDIO_PMA_DEVAD,
  9167. MDIO_PMA_REG_8481_LED1_MASK,
  9168. 0x0);
  9169. bnx2x_cl45_write(bp, phy,
  9170. MDIO_PMA_DEVAD,
  9171. MDIO_PMA_REG_8481_LED2_MASK,
  9172. 0x20);
  9173. bnx2x_cl45_write(bp, phy,
  9174. MDIO_PMA_DEVAD,
  9175. MDIO_PMA_REG_8481_LED3_MASK,
  9176. 0x20);
  9177. bnx2x_cl45_write(bp, phy,
  9178. MDIO_PMA_DEVAD,
  9179. MDIO_PMA_REG_8481_LED5_MASK,
  9180. 0x0);
  9181. } else {
  9182. bnx2x_cl45_write(bp, phy,
  9183. MDIO_PMA_DEVAD,
  9184. MDIO_PMA_REG_8481_LED1_MASK,
  9185. 0x20);
  9186. }
  9187. break;
  9188. case LED_MODE_OPER:
  9189. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9190. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9191. SHARED_HW_CFG_LED_EXTPHY1) {
  9192. /* Set control reg */
  9193. bnx2x_cl45_read(bp, phy,
  9194. MDIO_PMA_DEVAD,
  9195. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9196. &val);
  9197. if (!((val &
  9198. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9199. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9200. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9201. bnx2x_cl45_write(bp, phy,
  9202. MDIO_PMA_DEVAD,
  9203. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9204. 0xa492);
  9205. }
  9206. /* Set LED masks */
  9207. bnx2x_cl45_write(bp, phy,
  9208. MDIO_PMA_DEVAD,
  9209. MDIO_PMA_REG_8481_LED1_MASK,
  9210. 0x10);
  9211. bnx2x_cl45_write(bp, phy,
  9212. MDIO_PMA_DEVAD,
  9213. MDIO_PMA_REG_8481_LED2_MASK,
  9214. 0x80);
  9215. bnx2x_cl45_write(bp, phy,
  9216. MDIO_PMA_DEVAD,
  9217. MDIO_PMA_REG_8481_LED3_MASK,
  9218. 0x98);
  9219. bnx2x_cl45_write(bp, phy,
  9220. MDIO_PMA_DEVAD,
  9221. MDIO_PMA_REG_8481_LED5_MASK,
  9222. 0x40);
  9223. } else {
  9224. bnx2x_cl45_write(bp, phy,
  9225. MDIO_PMA_DEVAD,
  9226. MDIO_PMA_REG_8481_LED1_MASK,
  9227. 0x80);
  9228. /* Tell LED3 to blink on source */
  9229. bnx2x_cl45_read(bp, phy,
  9230. MDIO_PMA_DEVAD,
  9231. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9232. &val);
  9233. val &= ~(7<<6);
  9234. val |= (1<<6); /* A83B[8:6]= 1 */
  9235. bnx2x_cl45_write(bp, phy,
  9236. MDIO_PMA_DEVAD,
  9237. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9238. val);
  9239. }
  9240. break;
  9241. }
  9242. /* This is a workaround for E3+84833 until autoneg
  9243. * restart is fixed in f/w
  9244. */
  9245. if (CHIP_IS_E3(bp)) {
  9246. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9247. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9248. }
  9249. }
  9250. /******************************************************************/
  9251. /* 54618SE PHY SECTION */
  9252. /******************************************************************/
  9253. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9254. struct link_params *params,
  9255. struct link_vars *vars)
  9256. {
  9257. struct bnx2x *bp = params->bp;
  9258. u8 port;
  9259. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9260. u32 cfg_pin;
  9261. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9262. usleep_range(1000, 2000);
  9263. /* This works with E3 only, no need to check the chip
  9264. * before determining the port.
  9265. */
  9266. port = params->port;
  9267. cfg_pin = (REG_RD(bp, params->shmem_base +
  9268. offsetof(struct shmem_region,
  9269. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9270. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9271. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9272. /* Drive pin high to bring the GPHY out of reset. */
  9273. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9274. /* wait for GPHY to reset */
  9275. msleep(50);
  9276. /* reset phy */
  9277. bnx2x_cl22_write(bp, phy,
  9278. MDIO_PMA_REG_CTRL, 0x8000);
  9279. bnx2x_wait_reset_complete(bp, phy, params);
  9280. /* Wait for GPHY to reset */
  9281. msleep(50);
  9282. /* Configure LED4: set to INTR (0x6). */
  9283. /* Accessing shadow register 0xe. */
  9284. bnx2x_cl22_write(bp, phy,
  9285. MDIO_REG_GPHY_SHADOW,
  9286. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9287. bnx2x_cl22_read(bp, phy,
  9288. MDIO_REG_GPHY_SHADOW,
  9289. &temp);
  9290. temp &= ~(0xf << 4);
  9291. temp |= (0x6 << 4);
  9292. bnx2x_cl22_write(bp, phy,
  9293. MDIO_REG_GPHY_SHADOW,
  9294. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9295. /* Configure INTR based on link status change. */
  9296. bnx2x_cl22_write(bp, phy,
  9297. MDIO_REG_INTR_MASK,
  9298. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9299. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9300. bnx2x_cl22_write(bp, phy,
  9301. MDIO_REG_GPHY_SHADOW,
  9302. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9303. bnx2x_cl22_read(bp, phy,
  9304. MDIO_REG_GPHY_SHADOW,
  9305. &temp);
  9306. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9307. bnx2x_cl22_write(bp, phy,
  9308. MDIO_REG_GPHY_SHADOW,
  9309. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9310. /* Set up fc */
  9311. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9312. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9313. fc_val = 0;
  9314. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9315. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9316. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9317. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9318. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9319. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9320. /* Read all advertisement */
  9321. bnx2x_cl22_read(bp, phy,
  9322. 0x09,
  9323. &an_1000_val);
  9324. bnx2x_cl22_read(bp, phy,
  9325. 0x04,
  9326. &an_10_100_val);
  9327. bnx2x_cl22_read(bp, phy,
  9328. MDIO_PMA_REG_CTRL,
  9329. &autoneg_val);
  9330. /* Disable forced speed */
  9331. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9332. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9333. (1<<11));
  9334. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9335. (phy->speed_cap_mask &
  9336. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9337. (phy->req_line_speed == SPEED_1000)) {
  9338. an_1000_val |= (1<<8);
  9339. autoneg_val |= (1<<9 | 1<<12);
  9340. if (phy->req_duplex == DUPLEX_FULL)
  9341. an_1000_val |= (1<<9);
  9342. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9343. } else
  9344. an_1000_val &= ~((1<<8) | (1<<9));
  9345. bnx2x_cl22_write(bp, phy,
  9346. 0x09,
  9347. an_1000_val);
  9348. bnx2x_cl22_read(bp, phy,
  9349. 0x09,
  9350. &an_1000_val);
  9351. /* Set 100 speed advertisement */
  9352. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9353. (phy->speed_cap_mask &
  9354. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9355. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9356. an_10_100_val |= (1<<7);
  9357. /* Enable autoneg and restart autoneg for legacy speeds */
  9358. autoneg_val |= (1<<9 | 1<<12);
  9359. if (phy->req_duplex == DUPLEX_FULL)
  9360. an_10_100_val |= (1<<8);
  9361. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9362. }
  9363. /* Set 10 speed advertisement */
  9364. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9365. (phy->speed_cap_mask &
  9366. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9367. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9368. an_10_100_val |= (1<<5);
  9369. autoneg_val |= (1<<9 | 1<<12);
  9370. if (phy->req_duplex == DUPLEX_FULL)
  9371. an_10_100_val |= (1<<6);
  9372. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9373. }
  9374. /* Only 10/100 are allowed to work in FORCE mode */
  9375. if (phy->req_line_speed == SPEED_100) {
  9376. autoneg_val |= (1<<13);
  9377. /* Enabled AUTO-MDIX when autoneg is disabled */
  9378. bnx2x_cl22_write(bp, phy,
  9379. 0x18,
  9380. (1<<15 | 1<<9 | 7<<0));
  9381. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9382. }
  9383. if (phy->req_line_speed == SPEED_10) {
  9384. /* Enabled AUTO-MDIX when autoneg is disabled */
  9385. bnx2x_cl22_write(bp, phy,
  9386. 0x18,
  9387. (1<<15 | 1<<9 | 7<<0));
  9388. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9389. }
  9390. /* Check if we should turn on Auto-GrEEEn */
  9391. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9392. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9393. if (params->feature_config_flags &
  9394. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9395. temp = 6;
  9396. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9397. } else {
  9398. temp = 0;
  9399. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9400. }
  9401. bnx2x_cl22_write(bp, phy,
  9402. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9403. bnx2x_cl22_write(bp, phy,
  9404. MDIO_REG_GPHY_CL45_DATA_REG,
  9405. MDIO_REG_GPHY_EEE_ADV);
  9406. bnx2x_cl22_write(bp, phy,
  9407. MDIO_REG_GPHY_CL45_ADDR_REG,
  9408. (0x1 << 14) | MDIO_AN_DEVAD);
  9409. bnx2x_cl22_write(bp, phy,
  9410. MDIO_REG_GPHY_CL45_DATA_REG,
  9411. temp);
  9412. }
  9413. bnx2x_cl22_write(bp, phy,
  9414. 0x04,
  9415. an_10_100_val | fc_val);
  9416. if (phy->req_duplex == DUPLEX_FULL)
  9417. autoneg_val |= (1<<8);
  9418. bnx2x_cl22_write(bp, phy,
  9419. MDIO_PMA_REG_CTRL, autoneg_val);
  9420. return 0;
  9421. }
  9422. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9423. struct link_params *params, u8 mode)
  9424. {
  9425. struct bnx2x *bp = params->bp;
  9426. u16 temp;
  9427. bnx2x_cl22_write(bp, phy,
  9428. MDIO_REG_GPHY_SHADOW,
  9429. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9430. bnx2x_cl22_read(bp, phy,
  9431. MDIO_REG_GPHY_SHADOW,
  9432. &temp);
  9433. temp &= 0xff00;
  9434. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9435. switch (mode) {
  9436. case LED_MODE_FRONT_PANEL_OFF:
  9437. case LED_MODE_OFF:
  9438. temp |= 0x00ee;
  9439. break;
  9440. case LED_MODE_OPER:
  9441. temp |= 0x0001;
  9442. break;
  9443. case LED_MODE_ON:
  9444. temp |= 0x00ff;
  9445. break;
  9446. default:
  9447. break;
  9448. }
  9449. bnx2x_cl22_write(bp, phy,
  9450. MDIO_REG_GPHY_SHADOW,
  9451. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9452. return;
  9453. }
  9454. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9455. struct link_params *params)
  9456. {
  9457. struct bnx2x *bp = params->bp;
  9458. u32 cfg_pin;
  9459. u8 port;
  9460. /* In case of no EPIO routed to reset the GPHY, put it
  9461. * in low power mode.
  9462. */
  9463. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9464. /* This works with E3 only, no need to check the chip
  9465. * before determining the port.
  9466. */
  9467. port = params->port;
  9468. cfg_pin = (REG_RD(bp, params->shmem_base +
  9469. offsetof(struct shmem_region,
  9470. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9471. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9472. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9473. /* Drive pin low to put GPHY in reset. */
  9474. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9475. }
  9476. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9477. struct link_params *params,
  9478. struct link_vars *vars)
  9479. {
  9480. struct bnx2x *bp = params->bp;
  9481. u16 val;
  9482. u8 link_up = 0;
  9483. u16 legacy_status, legacy_speed;
  9484. /* Get speed operation status */
  9485. bnx2x_cl22_read(bp, phy,
  9486. MDIO_REG_GPHY_AUX_STATUS,
  9487. &legacy_status);
  9488. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9489. /* Read status to clear the PHY interrupt. */
  9490. bnx2x_cl22_read(bp, phy,
  9491. MDIO_REG_INTR_STATUS,
  9492. &val);
  9493. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9494. if (link_up) {
  9495. legacy_speed = (legacy_status & (7<<8));
  9496. if (legacy_speed == (7<<8)) {
  9497. vars->line_speed = SPEED_1000;
  9498. vars->duplex = DUPLEX_FULL;
  9499. } else if (legacy_speed == (6<<8)) {
  9500. vars->line_speed = SPEED_1000;
  9501. vars->duplex = DUPLEX_HALF;
  9502. } else if (legacy_speed == (5<<8)) {
  9503. vars->line_speed = SPEED_100;
  9504. vars->duplex = DUPLEX_FULL;
  9505. }
  9506. /* Omitting 100Base-T4 for now */
  9507. else if (legacy_speed == (3<<8)) {
  9508. vars->line_speed = SPEED_100;
  9509. vars->duplex = DUPLEX_HALF;
  9510. } else if (legacy_speed == (2<<8)) {
  9511. vars->line_speed = SPEED_10;
  9512. vars->duplex = DUPLEX_FULL;
  9513. } else if (legacy_speed == (1<<8)) {
  9514. vars->line_speed = SPEED_10;
  9515. vars->duplex = DUPLEX_HALF;
  9516. } else /* Should not happen */
  9517. vars->line_speed = 0;
  9518. DP(NETIF_MSG_LINK,
  9519. "Link is up in %dMbps, is_duplex_full= %d\n",
  9520. vars->line_speed,
  9521. (vars->duplex == DUPLEX_FULL));
  9522. /* Check legacy speed AN resolution */
  9523. bnx2x_cl22_read(bp, phy,
  9524. 0x01,
  9525. &val);
  9526. if (val & (1<<5))
  9527. vars->link_status |=
  9528. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9529. bnx2x_cl22_read(bp, phy,
  9530. 0x06,
  9531. &val);
  9532. if ((val & (1<<0)) == 0)
  9533. vars->link_status |=
  9534. LINK_STATUS_PARALLEL_DETECTION_USED;
  9535. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9536. vars->line_speed);
  9537. /* Report whether EEE is resolved. */
  9538. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9539. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9540. if (vars->link_status &
  9541. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9542. val = 0;
  9543. else {
  9544. bnx2x_cl22_write(bp, phy,
  9545. MDIO_REG_GPHY_CL45_ADDR_REG,
  9546. MDIO_AN_DEVAD);
  9547. bnx2x_cl22_write(bp, phy,
  9548. MDIO_REG_GPHY_CL45_DATA_REG,
  9549. MDIO_REG_GPHY_EEE_RESOLVED);
  9550. bnx2x_cl22_write(bp, phy,
  9551. MDIO_REG_GPHY_CL45_ADDR_REG,
  9552. (0x1 << 14) | MDIO_AN_DEVAD);
  9553. bnx2x_cl22_read(bp, phy,
  9554. MDIO_REG_GPHY_CL45_DATA_REG,
  9555. &val);
  9556. }
  9557. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9558. }
  9559. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9560. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9561. /* Report LP advertised speeds */
  9562. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9563. if (val & (1<<5))
  9564. vars->link_status |=
  9565. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9566. if (val & (1<<6))
  9567. vars->link_status |=
  9568. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9569. if (val & (1<<7))
  9570. vars->link_status |=
  9571. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9572. if (val & (1<<8))
  9573. vars->link_status |=
  9574. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9575. if (val & (1<<9))
  9576. vars->link_status |=
  9577. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9578. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9579. if (val & (1<<10))
  9580. vars->link_status |=
  9581. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9582. if (val & (1<<11))
  9583. vars->link_status |=
  9584. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9585. }
  9586. }
  9587. return link_up;
  9588. }
  9589. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9590. struct link_params *params)
  9591. {
  9592. struct bnx2x *bp = params->bp;
  9593. u16 val;
  9594. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9595. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9596. /* Enable master/slave manual mmode and set to master */
  9597. /* mii write 9 [bits set 11 12] */
  9598. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9599. /* forced 1G and disable autoneg */
  9600. /* set val [mii read 0] */
  9601. /* set val [expr $val & [bits clear 6 12 13]] */
  9602. /* set val [expr $val | [bits set 6 8]] */
  9603. /* mii write 0 $val */
  9604. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9605. val &= ~((1<<6) | (1<<12) | (1<<13));
  9606. val |= (1<<6) | (1<<8);
  9607. bnx2x_cl22_write(bp, phy, 0x00, val);
  9608. /* Set external loopback and Tx using 6dB coding */
  9609. /* mii write 0x18 7 */
  9610. /* set val [mii read 0x18] */
  9611. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9612. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9613. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9614. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9615. /* This register opens the gate for the UMAC despite its name */
  9616. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9617. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9618. * length used by the MAC receive logic to check frames.
  9619. */
  9620. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9621. }
  9622. /******************************************************************/
  9623. /* SFX7101 PHY SECTION */
  9624. /******************************************************************/
  9625. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9626. struct link_params *params)
  9627. {
  9628. struct bnx2x *bp = params->bp;
  9629. /* SFX7101_XGXS_TEST1 */
  9630. bnx2x_cl45_write(bp, phy,
  9631. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9632. }
  9633. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9634. struct link_params *params,
  9635. struct link_vars *vars)
  9636. {
  9637. u16 fw_ver1, fw_ver2, val;
  9638. struct bnx2x *bp = params->bp;
  9639. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9640. /* Restore normal power mode*/
  9641. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9642. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9643. /* HW reset */
  9644. bnx2x_ext_phy_hw_reset(bp, params->port);
  9645. bnx2x_wait_reset_complete(bp, phy, params);
  9646. bnx2x_cl45_write(bp, phy,
  9647. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9648. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9649. bnx2x_cl45_write(bp, phy,
  9650. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9651. bnx2x_ext_phy_set_pause(params, phy, vars);
  9652. /* Restart autoneg */
  9653. bnx2x_cl45_read(bp, phy,
  9654. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9655. val |= 0x200;
  9656. bnx2x_cl45_write(bp, phy,
  9657. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9658. /* Save spirom version */
  9659. bnx2x_cl45_read(bp, phy,
  9660. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9661. bnx2x_cl45_read(bp, phy,
  9662. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9663. bnx2x_save_spirom_version(bp, params->port,
  9664. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9665. return 0;
  9666. }
  9667. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9668. struct link_params *params,
  9669. struct link_vars *vars)
  9670. {
  9671. struct bnx2x *bp = params->bp;
  9672. u8 link_up;
  9673. u16 val1, val2;
  9674. bnx2x_cl45_read(bp, phy,
  9675. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9676. bnx2x_cl45_read(bp, phy,
  9677. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9678. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9679. val2, val1);
  9680. bnx2x_cl45_read(bp, phy,
  9681. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9682. bnx2x_cl45_read(bp, phy,
  9683. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9684. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9685. val2, val1);
  9686. link_up = ((val1 & 4) == 4);
  9687. /* If link is up print the AN outcome of the SFX7101 PHY */
  9688. if (link_up) {
  9689. bnx2x_cl45_read(bp, phy,
  9690. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9691. &val2);
  9692. vars->line_speed = SPEED_10000;
  9693. vars->duplex = DUPLEX_FULL;
  9694. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9695. val2, (val2 & (1<<14)));
  9696. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9697. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9698. /* Read LP advertised speeds */
  9699. if (val2 & (1<<11))
  9700. vars->link_status |=
  9701. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9702. }
  9703. return link_up;
  9704. }
  9705. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9706. {
  9707. if (*len < 5)
  9708. return -EINVAL;
  9709. str[0] = (spirom_ver & 0xFF);
  9710. str[1] = (spirom_ver & 0xFF00) >> 8;
  9711. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9712. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9713. str[4] = '\0';
  9714. *len -= 5;
  9715. return 0;
  9716. }
  9717. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9718. {
  9719. u16 val, cnt;
  9720. bnx2x_cl45_read(bp, phy,
  9721. MDIO_PMA_DEVAD,
  9722. MDIO_PMA_REG_7101_RESET, &val);
  9723. for (cnt = 0; cnt < 10; cnt++) {
  9724. msleep(50);
  9725. /* Writes a self-clearing reset */
  9726. bnx2x_cl45_write(bp, phy,
  9727. MDIO_PMA_DEVAD,
  9728. MDIO_PMA_REG_7101_RESET,
  9729. (val | (1<<15)));
  9730. /* Wait for clear */
  9731. bnx2x_cl45_read(bp, phy,
  9732. MDIO_PMA_DEVAD,
  9733. MDIO_PMA_REG_7101_RESET, &val);
  9734. if ((val & (1<<15)) == 0)
  9735. break;
  9736. }
  9737. }
  9738. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9739. struct link_params *params) {
  9740. /* Low power mode is controlled by GPIO 2 */
  9741. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9742. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9743. /* The PHY reset is controlled by GPIO 1 */
  9744. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9745. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9746. }
  9747. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9748. struct link_params *params, u8 mode)
  9749. {
  9750. u16 val = 0;
  9751. struct bnx2x *bp = params->bp;
  9752. switch (mode) {
  9753. case LED_MODE_FRONT_PANEL_OFF:
  9754. case LED_MODE_OFF:
  9755. val = 2;
  9756. break;
  9757. case LED_MODE_ON:
  9758. val = 1;
  9759. break;
  9760. case LED_MODE_OPER:
  9761. val = 0;
  9762. break;
  9763. }
  9764. bnx2x_cl45_write(bp, phy,
  9765. MDIO_PMA_DEVAD,
  9766. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9767. val);
  9768. }
  9769. /******************************************************************/
  9770. /* STATIC PHY DECLARATION */
  9771. /******************************************************************/
  9772. static struct bnx2x_phy phy_null = {
  9773. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9774. .addr = 0,
  9775. .def_md_devad = 0,
  9776. .flags = FLAGS_INIT_XGXS_FIRST,
  9777. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9778. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9779. .mdio_ctrl = 0,
  9780. .supported = 0,
  9781. .media_type = ETH_PHY_NOT_PRESENT,
  9782. .ver_addr = 0,
  9783. .req_flow_ctrl = 0,
  9784. .req_line_speed = 0,
  9785. .speed_cap_mask = 0,
  9786. .req_duplex = 0,
  9787. .rsrv = 0,
  9788. .config_init = (config_init_t)NULL,
  9789. .read_status = (read_status_t)NULL,
  9790. .link_reset = (link_reset_t)NULL,
  9791. .config_loopback = (config_loopback_t)NULL,
  9792. .format_fw_ver = (format_fw_ver_t)NULL,
  9793. .hw_reset = (hw_reset_t)NULL,
  9794. .set_link_led = (set_link_led_t)NULL,
  9795. .phy_specific_func = (phy_specific_func_t)NULL
  9796. };
  9797. static struct bnx2x_phy phy_serdes = {
  9798. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9799. .addr = 0xff,
  9800. .def_md_devad = 0,
  9801. .flags = 0,
  9802. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9803. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9804. .mdio_ctrl = 0,
  9805. .supported = (SUPPORTED_10baseT_Half |
  9806. SUPPORTED_10baseT_Full |
  9807. SUPPORTED_100baseT_Half |
  9808. SUPPORTED_100baseT_Full |
  9809. SUPPORTED_1000baseT_Full |
  9810. SUPPORTED_2500baseX_Full |
  9811. SUPPORTED_TP |
  9812. SUPPORTED_Autoneg |
  9813. SUPPORTED_Pause |
  9814. SUPPORTED_Asym_Pause),
  9815. .media_type = ETH_PHY_BASE_T,
  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_xgxs_config_init,
  9823. .read_status = (read_status_t)bnx2x_link_settings_status,
  9824. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9825. .config_loopback = (config_loopback_t)NULL,
  9826. .format_fw_ver = (format_fw_ver_t)NULL,
  9827. .hw_reset = (hw_reset_t)NULL,
  9828. .set_link_led = (set_link_led_t)NULL,
  9829. .phy_specific_func = (phy_specific_func_t)NULL
  9830. };
  9831. static struct bnx2x_phy phy_xgxs = {
  9832. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9833. .addr = 0xff,
  9834. .def_md_devad = 0,
  9835. .flags = 0,
  9836. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9837. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9838. .mdio_ctrl = 0,
  9839. .supported = (SUPPORTED_10baseT_Half |
  9840. SUPPORTED_10baseT_Full |
  9841. SUPPORTED_100baseT_Half |
  9842. SUPPORTED_100baseT_Full |
  9843. SUPPORTED_1000baseT_Full |
  9844. SUPPORTED_2500baseX_Full |
  9845. SUPPORTED_10000baseT_Full |
  9846. SUPPORTED_FIBRE |
  9847. SUPPORTED_Autoneg |
  9848. SUPPORTED_Pause |
  9849. SUPPORTED_Asym_Pause),
  9850. .media_type = ETH_PHY_CX4,
  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_xgxs_config_init,
  9858. .read_status = (read_status_t)bnx2x_link_settings_status,
  9859. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9860. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9861. .format_fw_ver = (format_fw_ver_t)NULL,
  9862. .hw_reset = (hw_reset_t)NULL,
  9863. .set_link_led = (set_link_led_t)NULL,
  9864. .phy_specific_func = (phy_specific_func_t)NULL
  9865. };
  9866. static struct bnx2x_phy phy_warpcore = {
  9867. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9868. .addr = 0xff,
  9869. .def_md_devad = 0,
  9870. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9871. FLAGS_TX_ERROR_CHECK),
  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_20000baseKR2_Full |
  9882. SUPPORTED_20000baseMLD2_Full |
  9883. SUPPORTED_FIBRE |
  9884. SUPPORTED_Autoneg |
  9885. SUPPORTED_Pause |
  9886. SUPPORTED_Asym_Pause),
  9887. .media_type = ETH_PHY_UNSPECIFIED,
  9888. .ver_addr = 0,
  9889. .req_flow_ctrl = 0,
  9890. .req_line_speed = 0,
  9891. .speed_cap_mask = 0,
  9892. /* req_duplex = */0,
  9893. /* rsrv = */0,
  9894. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9895. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9896. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9897. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9898. .format_fw_ver = (format_fw_ver_t)NULL,
  9899. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9900. .set_link_led = (set_link_led_t)NULL,
  9901. .phy_specific_func = (phy_specific_func_t)NULL
  9902. };
  9903. static struct bnx2x_phy phy_7101 = {
  9904. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9905. .addr = 0xff,
  9906. .def_md_devad = 0,
  9907. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9908. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9909. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9910. .mdio_ctrl = 0,
  9911. .supported = (SUPPORTED_10000baseT_Full |
  9912. SUPPORTED_TP |
  9913. SUPPORTED_Autoneg |
  9914. SUPPORTED_Pause |
  9915. SUPPORTED_Asym_Pause),
  9916. .media_type = ETH_PHY_BASE_T,
  9917. .ver_addr = 0,
  9918. .req_flow_ctrl = 0,
  9919. .req_line_speed = 0,
  9920. .speed_cap_mask = 0,
  9921. .req_duplex = 0,
  9922. .rsrv = 0,
  9923. .config_init = (config_init_t)bnx2x_7101_config_init,
  9924. .read_status = (read_status_t)bnx2x_7101_read_status,
  9925. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9926. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9927. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9928. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9929. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9930. .phy_specific_func = (phy_specific_func_t)NULL
  9931. };
  9932. static struct bnx2x_phy phy_8073 = {
  9933. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9934. .addr = 0xff,
  9935. .def_md_devad = 0,
  9936. .flags = FLAGS_HW_LOCK_REQUIRED,
  9937. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9938. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9939. .mdio_ctrl = 0,
  9940. .supported = (SUPPORTED_10000baseT_Full |
  9941. SUPPORTED_2500baseX_Full |
  9942. SUPPORTED_1000baseT_Full |
  9943. SUPPORTED_FIBRE |
  9944. SUPPORTED_Autoneg |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause),
  9947. .media_type = ETH_PHY_KR,
  9948. .ver_addr = 0,
  9949. .req_flow_ctrl = 0,
  9950. .req_line_speed = 0,
  9951. .speed_cap_mask = 0,
  9952. .req_duplex = 0,
  9953. .rsrv = 0,
  9954. .config_init = (config_init_t)bnx2x_8073_config_init,
  9955. .read_status = (read_status_t)bnx2x_8073_read_status,
  9956. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9957. .config_loopback = (config_loopback_t)NULL,
  9958. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9959. .hw_reset = (hw_reset_t)NULL,
  9960. .set_link_led = (set_link_led_t)NULL,
  9961. .phy_specific_func = (phy_specific_func_t)NULL
  9962. };
  9963. static struct bnx2x_phy phy_8705 = {
  9964. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9965. .addr = 0xff,
  9966. .def_md_devad = 0,
  9967. .flags = FLAGS_INIT_XGXS_FIRST,
  9968. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9969. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9970. .mdio_ctrl = 0,
  9971. .supported = (SUPPORTED_10000baseT_Full |
  9972. SUPPORTED_FIBRE |
  9973. SUPPORTED_Pause |
  9974. SUPPORTED_Asym_Pause),
  9975. .media_type = ETH_PHY_XFP_FIBER,
  9976. .ver_addr = 0,
  9977. .req_flow_ctrl = 0,
  9978. .req_line_speed = 0,
  9979. .speed_cap_mask = 0,
  9980. .req_duplex = 0,
  9981. .rsrv = 0,
  9982. .config_init = (config_init_t)bnx2x_8705_config_init,
  9983. .read_status = (read_status_t)bnx2x_8705_read_status,
  9984. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9985. .config_loopback = (config_loopback_t)NULL,
  9986. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9987. .hw_reset = (hw_reset_t)NULL,
  9988. .set_link_led = (set_link_led_t)NULL,
  9989. .phy_specific_func = (phy_specific_func_t)NULL
  9990. };
  9991. static struct bnx2x_phy phy_8706 = {
  9992. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9993. .addr = 0xff,
  9994. .def_md_devad = 0,
  9995. .flags = FLAGS_INIT_XGXS_FIRST,
  9996. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9997. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9998. .mdio_ctrl = 0,
  9999. .supported = (SUPPORTED_10000baseT_Full |
  10000. SUPPORTED_1000baseT_Full |
  10001. SUPPORTED_FIBRE |
  10002. SUPPORTED_Pause |
  10003. SUPPORTED_Asym_Pause),
  10004. .media_type = ETH_PHY_SFP_FIBER,
  10005. .ver_addr = 0,
  10006. .req_flow_ctrl = 0,
  10007. .req_line_speed = 0,
  10008. .speed_cap_mask = 0,
  10009. .req_duplex = 0,
  10010. .rsrv = 0,
  10011. .config_init = (config_init_t)bnx2x_8706_config_init,
  10012. .read_status = (read_status_t)bnx2x_8706_read_status,
  10013. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10014. .config_loopback = (config_loopback_t)NULL,
  10015. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10016. .hw_reset = (hw_reset_t)NULL,
  10017. .set_link_led = (set_link_led_t)NULL,
  10018. .phy_specific_func = (phy_specific_func_t)NULL
  10019. };
  10020. static struct bnx2x_phy phy_8726 = {
  10021. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10022. .addr = 0xff,
  10023. .def_md_devad = 0,
  10024. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10025. FLAGS_INIT_XGXS_FIRST |
  10026. FLAGS_TX_ERROR_CHECK),
  10027. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10028. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10029. .mdio_ctrl = 0,
  10030. .supported = (SUPPORTED_10000baseT_Full |
  10031. SUPPORTED_1000baseT_Full |
  10032. SUPPORTED_Autoneg |
  10033. SUPPORTED_FIBRE |
  10034. SUPPORTED_Pause |
  10035. SUPPORTED_Asym_Pause),
  10036. .media_type = ETH_PHY_NOT_PRESENT,
  10037. .ver_addr = 0,
  10038. .req_flow_ctrl = 0,
  10039. .req_line_speed = 0,
  10040. .speed_cap_mask = 0,
  10041. .req_duplex = 0,
  10042. .rsrv = 0,
  10043. .config_init = (config_init_t)bnx2x_8726_config_init,
  10044. .read_status = (read_status_t)bnx2x_8726_read_status,
  10045. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10046. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10047. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10048. .hw_reset = (hw_reset_t)NULL,
  10049. .set_link_led = (set_link_led_t)NULL,
  10050. .phy_specific_func = (phy_specific_func_t)NULL
  10051. };
  10052. static struct bnx2x_phy phy_8727 = {
  10053. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10054. .addr = 0xff,
  10055. .def_md_devad = 0,
  10056. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10057. FLAGS_TX_ERROR_CHECK),
  10058. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10059. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10060. .mdio_ctrl = 0,
  10061. .supported = (SUPPORTED_10000baseT_Full |
  10062. SUPPORTED_1000baseT_Full |
  10063. SUPPORTED_FIBRE |
  10064. SUPPORTED_Pause |
  10065. SUPPORTED_Asym_Pause),
  10066. .media_type = ETH_PHY_NOT_PRESENT,
  10067. .ver_addr = 0,
  10068. .req_flow_ctrl = 0,
  10069. .req_line_speed = 0,
  10070. .speed_cap_mask = 0,
  10071. .req_duplex = 0,
  10072. .rsrv = 0,
  10073. .config_init = (config_init_t)bnx2x_8727_config_init,
  10074. .read_status = (read_status_t)bnx2x_8727_read_status,
  10075. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10076. .config_loopback = (config_loopback_t)NULL,
  10077. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10078. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10079. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10080. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10081. };
  10082. static struct bnx2x_phy phy_8481 = {
  10083. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10084. .addr = 0xff,
  10085. .def_md_devad = 0,
  10086. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10087. FLAGS_REARM_LATCH_SIGNAL,
  10088. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10089. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10090. .mdio_ctrl = 0,
  10091. .supported = (SUPPORTED_10baseT_Half |
  10092. SUPPORTED_10baseT_Full |
  10093. SUPPORTED_100baseT_Half |
  10094. SUPPORTED_100baseT_Full |
  10095. SUPPORTED_1000baseT_Full |
  10096. SUPPORTED_10000baseT_Full |
  10097. SUPPORTED_TP |
  10098. SUPPORTED_Autoneg |
  10099. SUPPORTED_Pause |
  10100. SUPPORTED_Asym_Pause),
  10101. .media_type = ETH_PHY_BASE_T,
  10102. .ver_addr = 0,
  10103. .req_flow_ctrl = 0,
  10104. .req_line_speed = 0,
  10105. .speed_cap_mask = 0,
  10106. .req_duplex = 0,
  10107. .rsrv = 0,
  10108. .config_init = (config_init_t)bnx2x_8481_config_init,
  10109. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10110. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10111. .config_loopback = (config_loopback_t)NULL,
  10112. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10113. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10114. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10115. .phy_specific_func = (phy_specific_func_t)NULL
  10116. };
  10117. static struct bnx2x_phy phy_84823 = {
  10118. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10119. .addr = 0xff,
  10120. .def_md_devad = 0,
  10121. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10122. FLAGS_REARM_LATCH_SIGNAL |
  10123. FLAGS_TX_ERROR_CHECK),
  10124. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10125. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10126. .mdio_ctrl = 0,
  10127. .supported = (SUPPORTED_10baseT_Half |
  10128. SUPPORTED_10baseT_Full |
  10129. SUPPORTED_100baseT_Half |
  10130. SUPPORTED_100baseT_Full |
  10131. SUPPORTED_1000baseT_Full |
  10132. SUPPORTED_10000baseT_Full |
  10133. SUPPORTED_TP |
  10134. SUPPORTED_Autoneg |
  10135. SUPPORTED_Pause |
  10136. SUPPORTED_Asym_Pause),
  10137. .media_type = ETH_PHY_BASE_T,
  10138. .ver_addr = 0,
  10139. .req_flow_ctrl = 0,
  10140. .req_line_speed = 0,
  10141. .speed_cap_mask = 0,
  10142. .req_duplex = 0,
  10143. .rsrv = 0,
  10144. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10145. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10146. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10147. .config_loopback = (config_loopback_t)NULL,
  10148. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10149. .hw_reset = (hw_reset_t)NULL,
  10150. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10151. .phy_specific_func = (phy_specific_func_t)NULL
  10152. };
  10153. static struct bnx2x_phy phy_84833 = {
  10154. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10155. .addr = 0xff,
  10156. .def_md_devad = 0,
  10157. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10158. FLAGS_REARM_LATCH_SIGNAL |
  10159. FLAGS_TX_ERROR_CHECK |
  10160. FLAGS_EEE_10GBT),
  10161. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10162. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10163. .mdio_ctrl = 0,
  10164. .supported = (SUPPORTED_100baseT_Half |
  10165. SUPPORTED_100baseT_Full |
  10166. SUPPORTED_1000baseT_Full |
  10167. SUPPORTED_10000baseT_Full |
  10168. SUPPORTED_TP |
  10169. SUPPORTED_Autoneg |
  10170. SUPPORTED_Pause |
  10171. SUPPORTED_Asym_Pause),
  10172. .media_type = ETH_PHY_BASE_T,
  10173. .ver_addr = 0,
  10174. .req_flow_ctrl = 0,
  10175. .req_line_speed = 0,
  10176. .speed_cap_mask = 0,
  10177. .req_duplex = 0,
  10178. .rsrv = 0,
  10179. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10180. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10181. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10182. .config_loopback = (config_loopback_t)NULL,
  10183. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10184. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10185. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10186. .phy_specific_func = (phy_specific_func_t)NULL
  10187. };
  10188. static struct bnx2x_phy phy_54618se = {
  10189. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10190. .addr = 0xff,
  10191. .def_md_devad = 0,
  10192. .flags = FLAGS_INIT_XGXS_FIRST,
  10193. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10194. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10195. .mdio_ctrl = 0,
  10196. .supported = (SUPPORTED_10baseT_Half |
  10197. SUPPORTED_10baseT_Full |
  10198. SUPPORTED_100baseT_Half |
  10199. SUPPORTED_100baseT_Full |
  10200. SUPPORTED_1000baseT_Full |
  10201. SUPPORTED_TP |
  10202. SUPPORTED_Autoneg |
  10203. SUPPORTED_Pause |
  10204. SUPPORTED_Asym_Pause),
  10205. .media_type = ETH_PHY_BASE_T,
  10206. .ver_addr = 0,
  10207. .req_flow_ctrl = 0,
  10208. .req_line_speed = 0,
  10209. .speed_cap_mask = 0,
  10210. /* req_duplex = */0,
  10211. /* rsrv = */0,
  10212. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10213. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10214. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10215. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10216. .format_fw_ver = (format_fw_ver_t)NULL,
  10217. .hw_reset = (hw_reset_t)NULL,
  10218. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10219. .phy_specific_func = (phy_specific_func_t)NULL
  10220. };
  10221. /*****************************************************************/
  10222. /* */
  10223. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10224. /* */
  10225. /*****************************************************************/
  10226. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10227. struct bnx2x_phy *phy, u8 port,
  10228. u8 phy_index)
  10229. {
  10230. /* Get the 4 lanes xgxs config rx and tx */
  10231. u32 rx = 0, tx = 0, i;
  10232. for (i = 0; i < 2; i++) {
  10233. /* INT_PHY and EXT_PHY1 share the same value location in
  10234. * the shmem. When num_phys is greater than 1, than this value
  10235. * applies only to EXT_PHY1
  10236. */
  10237. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10238. rx = REG_RD(bp, shmem_base +
  10239. offsetof(struct shmem_region,
  10240. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10241. tx = REG_RD(bp, shmem_base +
  10242. offsetof(struct shmem_region,
  10243. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10244. } else {
  10245. rx = REG_RD(bp, shmem_base +
  10246. offsetof(struct shmem_region,
  10247. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10248. tx = REG_RD(bp, shmem_base +
  10249. offsetof(struct shmem_region,
  10250. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10251. }
  10252. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10253. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10254. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10255. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10256. }
  10257. }
  10258. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10259. u8 phy_index, u8 port)
  10260. {
  10261. u32 ext_phy_config = 0;
  10262. switch (phy_index) {
  10263. case EXT_PHY1:
  10264. ext_phy_config = REG_RD(bp, shmem_base +
  10265. offsetof(struct shmem_region,
  10266. dev_info.port_hw_config[port].external_phy_config));
  10267. break;
  10268. case EXT_PHY2:
  10269. ext_phy_config = REG_RD(bp, shmem_base +
  10270. offsetof(struct shmem_region,
  10271. dev_info.port_hw_config[port].external_phy_config2));
  10272. break;
  10273. default:
  10274. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10275. return -EINVAL;
  10276. }
  10277. return ext_phy_config;
  10278. }
  10279. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10280. struct bnx2x_phy *phy)
  10281. {
  10282. u32 phy_addr;
  10283. u32 chip_id;
  10284. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10285. offsetof(struct shmem_region,
  10286. dev_info.port_feature_config[port].link_config)) &
  10287. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10288. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10289. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10290. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10291. if (USES_WARPCORE(bp)) {
  10292. u32 serdes_net_if;
  10293. phy_addr = REG_RD(bp,
  10294. MISC_REG_WC0_CTRL_PHY_ADDR);
  10295. *phy = phy_warpcore;
  10296. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10297. phy->flags |= FLAGS_4_PORT_MODE;
  10298. else
  10299. phy->flags &= ~FLAGS_4_PORT_MODE;
  10300. /* Check Dual mode */
  10301. serdes_net_if = (REG_RD(bp, shmem_base +
  10302. offsetof(struct shmem_region, dev_info.
  10303. port_hw_config[port].default_cfg)) &
  10304. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10305. /* Set the appropriate supported and flags indications per
  10306. * interface type of the chip
  10307. */
  10308. switch (serdes_net_if) {
  10309. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10310. phy->supported &= (SUPPORTED_10baseT_Half |
  10311. SUPPORTED_10baseT_Full |
  10312. SUPPORTED_100baseT_Half |
  10313. SUPPORTED_100baseT_Full |
  10314. SUPPORTED_1000baseT_Full |
  10315. SUPPORTED_FIBRE |
  10316. SUPPORTED_Autoneg |
  10317. SUPPORTED_Pause |
  10318. SUPPORTED_Asym_Pause);
  10319. phy->media_type = ETH_PHY_BASE_T;
  10320. break;
  10321. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10322. phy->media_type = ETH_PHY_XFP_FIBER;
  10323. break;
  10324. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10325. phy->supported &= (SUPPORTED_1000baseT_Full |
  10326. SUPPORTED_10000baseT_Full |
  10327. SUPPORTED_FIBRE |
  10328. SUPPORTED_Pause |
  10329. SUPPORTED_Asym_Pause);
  10330. phy->media_type = ETH_PHY_SFP_FIBER;
  10331. break;
  10332. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10333. phy->media_type = ETH_PHY_KR;
  10334. phy->supported &= (SUPPORTED_1000baseT_Full |
  10335. SUPPORTED_10000baseT_Full |
  10336. SUPPORTED_FIBRE |
  10337. SUPPORTED_Autoneg |
  10338. SUPPORTED_Pause |
  10339. SUPPORTED_Asym_Pause);
  10340. break;
  10341. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10342. phy->media_type = ETH_PHY_KR;
  10343. phy->flags |= FLAGS_WC_DUAL_MODE;
  10344. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10345. SUPPORTED_FIBRE |
  10346. SUPPORTED_Pause |
  10347. SUPPORTED_Asym_Pause);
  10348. break;
  10349. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10350. phy->media_type = ETH_PHY_KR;
  10351. phy->flags |= FLAGS_WC_DUAL_MODE;
  10352. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10353. SUPPORTED_FIBRE |
  10354. SUPPORTED_Pause |
  10355. SUPPORTED_Asym_Pause);
  10356. break;
  10357. default:
  10358. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10359. serdes_net_if);
  10360. break;
  10361. }
  10362. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10363. * was not set as expected. For B0, ECO will be enabled so there
  10364. * won't be an issue there
  10365. */
  10366. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10367. phy->flags |= FLAGS_MDC_MDIO_WA;
  10368. else
  10369. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10370. } else {
  10371. switch (switch_cfg) {
  10372. case SWITCH_CFG_1G:
  10373. phy_addr = REG_RD(bp,
  10374. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10375. port * 0x10);
  10376. *phy = phy_serdes;
  10377. break;
  10378. case SWITCH_CFG_10G:
  10379. phy_addr = REG_RD(bp,
  10380. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10381. port * 0x18);
  10382. *phy = phy_xgxs;
  10383. break;
  10384. default:
  10385. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10386. return -EINVAL;
  10387. }
  10388. }
  10389. phy->addr = (u8)phy_addr;
  10390. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10391. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10392. port);
  10393. if (CHIP_IS_E2(bp))
  10394. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10395. else
  10396. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10397. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10398. port, phy->addr, phy->mdio_ctrl);
  10399. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10400. return 0;
  10401. }
  10402. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10403. u8 phy_index,
  10404. u32 shmem_base,
  10405. u32 shmem2_base,
  10406. u8 port,
  10407. struct bnx2x_phy *phy)
  10408. {
  10409. u32 ext_phy_config, phy_type, config2;
  10410. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10411. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10412. phy_index, port);
  10413. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10414. /* Select the phy type */
  10415. switch (phy_type) {
  10416. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10417. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10418. *phy = phy_8073;
  10419. break;
  10420. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10421. *phy = phy_8705;
  10422. break;
  10423. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10424. *phy = phy_8706;
  10425. break;
  10426. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10427. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10428. *phy = phy_8726;
  10429. break;
  10430. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10431. /* BCM8727_NOC => BCM8727 no over current */
  10432. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10433. *phy = phy_8727;
  10434. phy->flags |= FLAGS_NOC;
  10435. break;
  10436. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10437. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10438. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10439. *phy = phy_8727;
  10440. break;
  10441. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10442. *phy = phy_8481;
  10443. break;
  10444. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10445. *phy = phy_84823;
  10446. break;
  10447. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10448. *phy = phy_84833;
  10449. break;
  10450. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10451. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10452. *phy = phy_54618se;
  10453. break;
  10454. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10455. *phy = phy_7101;
  10456. break;
  10457. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10458. *phy = phy_null;
  10459. return -EINVAL;
  10460. default:
  10461. *phy = phy_null;
  10462. /* In case external PHY wasn't found */
  10463. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10464. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10465. return -EINVAL;
  10466. return 0;
  10467. }
  10468. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10469. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10470. /* The shmem address of the phy version is located on different
  10471. * structures. In case this structure is too old, do not set
  10472. * the address
  10473. */
  10474. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10475. dev_info.shared_hw_config.config2));
  10476. if (phy_index == EXT_PHY1) {
  10477. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10478. port_mb[port].ext_phy_fw_version);
  10479. /* Check specific mdc mdio settings */
  10480. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10481. mdc_mdio_access = config2 &
  10482. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10483. } else {
  10484. u32 size = REG_RD(bp, shmem2_base);
  10485. if (size >
  10486. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10487. phy->ver_addr = shmem2_base +
  10488. offsetof(struct shmem2_region,
  10489. ext_phy_fw_version2[port]);
  10490. }
  10491. /* Check specific mdc mdio settings */
  10492. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10493. mdc_mdio_access = (config2 &
  10494. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10495. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10496. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10497. }
  10498. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10499. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10500. (phy->ver_addr)) {
  10501. /* Remove 100Mb link supported for BCM84833 when phy fw
  10502. * version lower than or equal to 1.39
  10503. */
  10504. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10505. if (((raw_ver & 0x7F) <= 39) &&
  10506. (((raw_ver & 0xF80) >> 7) <= 1))
  10507. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10508. SUPPORTED_100baseT_Full);
  10509. }
  10510. /* In case mdc/mdio_access of the external phy is different than the
  10511. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10512. * to prevent one port interfere with another port's CL45 operations.
  10513. */
  10514. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10515. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10516. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10517. phy_type, port, phy_index);
  10518. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10519. phy->addr, phy->mdio_ctrl);
  10520. return 0;
  10521. }
  10522. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10523. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10524. {
  10525. int status = 0;
  10526. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10527. if (phy_index == INT_PHY)
  10528. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10529. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10530. port, phy);
  10531. return status;
  10532. }
  10533. static void bnx2x_phy_def_cfg(struct link_params *params,
  10534. struct bnx2x_phy *phy,
  10535. u8 phy_index)
  10536. {
  10537. struct bnx2x *bp = params->bp;
  10538. u32 link_config;
  10539. /* Populate the default phy configuration for MF mode */
  10540. if (phy_index == EXT_PHY2) {
  10541. link_config = REG_RD(bp, params->shmem_base +
  10542. offsetof(struct shmem_region, dev_info.
  10543. port_feature_config[params->port].link_config2));
  10544. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10545. offsetof(struct shmem_region,
  10546. dev_info.
  10547. port_hw_config[params->port].speed_capability_mask2));
  10548. } else {
  10549. link_config = REG_RD(bp, params->shmem_base +
  10550. offsetof(struct shmem_region, dev_info.
  10551. port_feature_config[params->port].link_config));
  10552. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10553. offsetof(struct shmem_region,
  10554. dev_info.
  10555. port_hw_config[params->port].speed_capability_mask));
  10556. }
  10557. DP(NETIF_MSG_LINK,
  10558. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10559. phy_index, link_config, phy->speed_cap_mask);
  10560. phy->req_duplex = DUPLEX_FULL;
  10561. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10562. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10563. phy->req_duplex = DUPLEX_HALF;
  10564. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10565. phy->req_line_speed = SPEED_10;
  10566. break;
  10567. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10568. phy->req_duplex = DUPLEX_HALF;
  10569. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10570. phy->req_line_speed = SPEED_100;
  10571. break;
  10572. case PORT_FEATURE_LINK_SPEED_1G:
  10573. phy->req_line_speed = SPEED_1000;
  10574. break;
  10575. case PORT_FEATURE_LINK_SPEED_2_5G:
  10576. phy->req_line_speed = SPEED_2500;
  10577. break;
  10578. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10579. phy->req_line_speed = SPEED_10000;
  10580. break;
  10581. default:
  10582. phy->req_line_speed = SPEED_AUTO_NEG;
  10583. break;
  10584. }
  10585. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10586. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10587. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10588. break;
  10589. case PORT_FEATURE_FLOW_CONTROL_TX:
  10590. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10591. break;
  10592. case PORT_FEATURE_FLOW_CONTROL_RX:
  10593. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10594. break;
  10595. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10596. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10597. break;
  10598. default:
  10599. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10600. break;
  10601. }
  10602. }
  10603. u32 bnx2x_phy_selection(struct link_params *params)
  10604. {
  10605. u32 phy_config_swapped, prio_cfg;
  10606. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10607. phy_config_swapped = params->multi_phy_config &
  10608. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10609. prio_cfg = params->multi_phy_config &
  10610. PORT_HW_CFG_PHY_SELECTION_MASK;
  10611. if (phy_config_swapped) {
  10612. switch (prio_cfg) {
  10613. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10614. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10615. break;
  10616. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10617. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10618. break;
  10619. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10620. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10621. break;
  10622. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10623. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10624. break;
  10625. }
  10626. } else
  10627. return_cfg = prio_cfg;
  10628. return return_cfg;
  10629. }
  10630. int bnx2x_phy_probe(struct link_params *params)
  10631. {
  10632. u8 phy_index, actual_phy_idx;
  10633. u32 phy_config_swapped, sync_offset, media_types;
  10634. struct bnx2x *bp = params->bp;
  10635. struct bnx2x_phy *phy;
  10636. params->num_phys = 0;
  10637. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10638. phy_config_swapped = params->multi_phy_config &
  10639. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10640. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10641. phy_index++) {
  10642. actual_phy_idx = phy_index;
  10643. if (phy_config_swapped) {
  10644. if (phy_index == EXT_PHY1)
  10645. actual_phy_idx = EXT_PHY2;
  10646. else if (phy_index == EXT_PHY2)
  10647. actual_phy_idx = EXT_PHY1;
  10648. }
  10649. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10650. " actual_phy_idx %x\n", phy_config_swapped,
  10651. phy_index, actual_phy_idx);
  10652. phy = &params->phy[actual_phy_idx];
  10653. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10654. params->shmem2_base, params->port,
  10655. phy) != 0) {
  10656. params->num_phys = 0;
  10657. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10658. phy_index);
  10659. for (phy_index = INT_PHY;
  10660. phy_index < MAX_PHYS;
  10661. phy_index++)
  10662. *phy = phy_null;
  10663. return -EINVAL;
  10664. }
  10665. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10666. break;
  10667. if (params->feature_config_flags &
  10668. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10669. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10670. sync_offset = params->shmem_base +
  10671. offsetof(struct shmem_region,
  10672. dev_info.port_hw_config[params->port].media_type);
  10673. media_types = REG_RD(bp, sync_offset);
  10674. /* Update media type for non-PMF sync only for the first time
  10675. * In case the media type changes afterwards, it will be updated
  10676. * using the update_status function
  10677. */
  10678. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10679. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10680. actual_phy_idx))) == 0) {
  10681. media_types |= ((phy->media_type &
  10682. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10683. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10684. actual_phy_idx));
  10685. }
  10686. REG_WR(bp, sync_offset, media_types);
  10687. bnx2x_phy_def_cfg(params, phy, phy_index);
  10688. params->num_phys++;
  10689. }
  10690. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10691. return 0;
  10692. }
  10693. void bnx2x_init_bmac_loopback(struct link_params *params,
  10694. struct link_vars *vars)
  10695. {
  10696. struct bnx2x *bp = params->bp;
  10697. vars->link_up = 1;
  10698. vars->line_speed = SPEED_10000;
  10699. vars->duplex = DUPLEX_FULL;
  10700. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10701. vars->mac_type = MAC_TYPE_BMAC;
  10702. vars->phy_flags = PHY_XGXS_FLAG;
  10703. bnx2x_xgxs_deassert(params);
  10704. /* set bmac loopback */
  10705. bnx2x_bmac_enable(params, vars, 1);
  10706. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10707. }
  10708. void bnx2x_init_emac_loopback(struct link_params *params,
  10709. struct link_vars *vars)
  10710. {
  10711. struct bnx2x *bp = params->bp;
  10712. vars->link_up = 1;
  10713. vars->line_speed = SPEED_1000;
  10714. vars->duplex = DUPLEX_FULL;
  10715. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10716. vars->mac_type = MAC_TYPE_EMAC;
  10717. vars->phy_flags = PHY_XGXS_FLAG;
  10718. bnx2x_xgxs_deassert(params);
  10719. /* set bmac loopback */
  10720. bnx2x_emac_enable(params, vars, 1);
  10721. bnx2x_emac_program(params, vars);
  10722. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10723. }
  10724. void bnx2x_init_xmac_loopback(struct link_params *params,
  10725. struct link_vars *vars)
  10726. {
  10727. struct bnx2x *bp = params->bp;
  10728. vars->link_up = 1;
  10729. if (!params->req_line_speed[0])
  10730. vars->line_speed = SPEED_10000;
  10731. else
  10732. vars->line_speed = params->req_line_speed[0];
  10733. vars->duplex = DUPLEX_FULL;
  10734. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10735. vars->mac_type = MAC_TYPE_XMAC;
  10736. vars->phy_flags = PHY_XGXS_FLAG;
  10737. /* Set WC to loopback mode since link is required to provide clock
  10738. * to the XMAC in 20G mode
  10739. */
  10740. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10741. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10742. params->phy[INT_PHY].config_loopback(
  10743. &params->phy[INT_PHY],
  10744. params);
  10745. bnx2x_xmac_enable(params, vars, 1);
  10746. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10747. }
  10748. void bnx2x_init_umac_loopback(struct link_params *params,
  10749. struct link_vars *vars)
  10750. {
  10751. struct bnx2x *bp = params->bp;
  10752. vars->link_up = 1;
  10753. vars->line_speed = SPEED_1000;
  10754. vars->duplex = DUPLEX_FULL;
  10755. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10756. vars->mac_type = MAC_TYPE_UMAC;
  10757. vars->phy_flags = PHY_XGXS_FLAG;
  10758. bnx2x_umac_enable(params, vars, 1);
  10759. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10760. }
  10761. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10762. struct link_vars *vars)
  10763. {
  10764. struct bnx2x *bp = params->bp;
  10765. vars->link_up = 1;
  10766. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10767. vars->duplex = DUPLEX_FULL;
  10768. if (params->req_line_speed[0] == SPEED_1000)
  10769. vars->line_speed = SPEED_1000;
  10770. else
  10771. vars->line_speed = SPEED_10000;
  10772. if (!USES_WARPCORE(bp))
  10773. bnx2x_xgxs_deassert(params);
  10774. bnx2x_link_initialize(params, vars);
  10775. if (params->req_line_speed[0] == SPEED_1000) {
  10776. if (USES_WARPCORE(bp))
  10777. bnx2x_umac_enable(params, vars, 0);
  10778. else {
  10779. bnx2x_emac_program(params, vars);
  10780. bnx2x_emac_enable(params, vars, 0);
  10781. }
  10782. } else {
  10783. if (USES_WARPCORE(bp))
  10784. bnx2x_xmac_enable(params, vars, 0);
  10785. else
  10786. bnx2x_bmac_enable(params, vars, 0);
  10787. }
  10788. if (params->loopback_mode == LOOPBACK_XGXS) {
  10789. /* set 10G XGXS loopback */
  10790. params->phy[INT_PHY].config_loopback(
  10791. &params->phy[INT_PHY],
  10792. params);
  10793. } else {
  10794. /* set external phy loopback */
  10795. u8 phy_index;
  10796. for (phy_index = EXT_PHY1;
  10797. phy_index < params->num_phys; phy_index++) {
  10798. if (params->phy[phy_index].config_loopback)
  10799. params->phy[phy_index].config_loopback(
  10800. &params->phy[phy_index],
  10801. params);
  10802. }
  10803. }
  10804. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10805. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10806. }
  10807. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10808. {
  10809. struct bnx2x *bp = params->bp;
  10810. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10811. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10812. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10813. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10814. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10815. vars->link_status = 0;
  10816. vars->phy_link_up = 0;
  10817. vars->link_up = 0;
  10818. vars->line_speed = 0;
  10819. vars->duplex = DUPLEX_FULL;
  10820. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10821. vars->mac_type = MAC_TYPE_NONE;
  10822. vars->phy_flags = 0;
  10823. /* Disable attentions */
  10824. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10825. (NIG_MASK_XGXS0_LINK_STATUS |
  10826. NIG_MASK_XGXS0_LINK10G |
  10827. NIG_MASK_SERDES0_LINK_STATUS |
  10828. NIG_MASK_MI_INT));
  10829. bnx2x_emac_init(params, vars);
  10830. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10831. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10832. if (params->num_phys == 0) {
  10833. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10834. return -EINVAL;
  10835. }
  10836. set_phy_vars(params, vars);
  10837. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10838. switch (params->loopback_mode) {
  10839. case LOOPBACK_BMAC:
  10840. bnx2x_init_bmac_loopback(params, vars);
  10841. break;
  10842. case LOOPBACK_EMAC:
  10843. bnx2x_init_emac_loopback(params, vars);
  10844. break;
  10845. case LOOPBACK_XMAC:
  10846. bnx2x_init_xmac_loopback(params, vars);
  10847. break;
  10848. case LOOPBACK_UMAC:
  10849. bnx2x_init_umac_loopback(params, vars);
  10850. break;
  10851. case LOOPBACK_XGXS:
  10852. case LOOPBACK_EXT_PHY:
  10853. bnx2x_init_xgxs_loopback(params, vars);
  10854. break;
  10855. default:
  10856. if (!CHIP_IS_E3(bp)) {
  10857. if (params->switch_cfg == SWITCH_CFG_10G)
  10858. bnx2x_xgxs_deassert(params);
  10859. else
  10860. bnx2x_serdes_deassert(bp, params->port);
  10861. }
  10862. bnx2x_link_initialize(params, vars);
  10863. msleep(30);
  10864. bnx2x_link_int_enable(params);
  10865. break;
  10866. }
  10867. bnx2x_update_mng(params, vars->link_status);
  10868. bnx2x_update_mng_eee(params, vars->eee_status);
  10869. return 0;
  10870. }
  10871. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10872. u8 reset_ext_phy)
  10873. {
  10874. struct bnx2x *bp = params->bp;
  10875. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10876. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10877. /* Disable attentions */
  10878. vars->link_status = 0;
  10879. bnx2x_update_mng(params, vars->link_status);
  10880. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10881. SHMEM_EEE_ACTIVE_BIT);
  10882. bnx2x_update_mng_eee(params, vars->eee_status);
  10883. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10884. (NIG_MASK_XGXS0_LINK_STATUS |
  10885. NIG_MASK_XGXS0_LINK10G |
  10886. NIG_MASK_SERDES0_LINK_STATUS |
  10887. NIG_MASK_MI_INT));
  10888. /* Activate nig drain */
  10889. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10890. /* Disable nig egress interface */
  10891. if (!CHIP_IS_E3(bp)) {
  10892. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10893. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10894. }
  10895. /* Stop BigMac rx */
  10896. if (!CHIP_IS_E3(bp))
  10897. bnx2x_bmac_rx_disable(bp, port);
  10898. else {
  10899. bnx2x_xmac_disable(params);
  10900. bnx2x_umac_disable(params);
  10901. }
  10902. /* Disable emac */
  10903. if (!CHIP_IS_E3(bp))
  10904. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10905. usleep_range(10000, 20000);
  10906. /* The PHY reset is controlled by GPIO 1
  10907. * Hold it as vars low
  10908. */
  10909. /* Clear link led */
  10910. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10911. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10912. if (reset_ext_phy) {
  10913. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10914. phy_index++) {
  10915. if (params->phy[phy_index].link_reset) {
  10916. bnx2x_set_aer_mmd(params,
  10917. &params->phy[phy_index]);
  10918. params->phy[phy_index].link_reset(
  10919. &params->phy[phy_index],
  10920. params);
  10921. }
  10922. if (params->phy[phy_index].flags &
  10923. FLAGS_REARM_LATCH_SIGNAL)
  10924. clear_latch_ind = 1;
  10925. }
  10926. }
  10927. if (clear_latch_ind) {
  10928. /* Clear latching indication */
  10929. bnx2x_rearm_latch_signal(bp, port, 0);
  10930. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10931. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10932. }
  10933. if (params->phy[INT_PHY].link_reset)
  10934. params->phy[INT_PHY].link_reset(
  10935. &params->phy[INT_PHY], params);
  10936. /* Disable nig ingress interface */
  10937. if (!CHIP_IS_E3(bp)) {
  10938. /* Reset BigMac */
  10939. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10940. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10941. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10942. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10943. } else {
  10944. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10945. bnx2x_set_xumac_nig(params, 0, 0);
  10946. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10947. MISC_REGISTERS_RESET_REG_2_XMAC)
  10948. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10949. XMAC_CTRL_REG_SOFT_RESET);
  10950. }
  10951. vars->link_up = 0;
  10952. vars->phy_flags = 0;
  10953. return 0;
  10954. }
  10955. /****************************************************************************/
  10956. /* Common function */
  10957. /****************************************************************************/
  10958. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10959. u32 shmem_base_path[],
  10960. u32 shmem2_base_path[], u8 phy_index,
  10961. u32 chip_id)
  10962. {
  10963. struct bnx2x_phy phy[PORT_MAX];
  10964. struct bnx2x_phy *phy_blk[PORT_MAX];
  10965. u16 val;
  10966. s8 port = 0;
  10967. s8 port_of_path = 0;
  10968. u32 swap_val, swap_override;
  10969. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10970. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10971. port ^= (swap_val && swap_override);
  10972. bnx2x_ext_phy_hw_reset(bp, port);
  10973. /* PART1 - Reset both phys */
  10974. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10975. u32 shmem_base, shmem2_base;
  10976. /* In E2, same phy is using for port0 of the two paths */
  10977. if (CHIP_IS_E1x(bp)) {
  10978. shmem_base = shmem_base_path[0];
  10979. shmem2_base = shmem2_base_path[0];
  10980. port_of_path = port;
  10981. } else {
  10982. shmem_base = shmem_base_path[port];
  10983. shmem2_base = shmem2_base_path[port];
  10984. port_of_path = 0;
  10985. }
  10986. /* Extract the ext phy address for the port */
  10987. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10988. port_of_path, &phy[port]) !=
  10989. 0) {
  10990. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10991. return -EINVAL;
  10992. }
  10993. /* Disable attentions */
  10994. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10995. port_of_path*4,
  10996. (NIG_MASK_XGXS0_LINK_STATUS |
  10997. NIG_MASK_XGXS0_LINK10G |
  10998. NIG_MASK_SERDES0_LINK_STATUS |
  10999. NIG_MASK_MI_INT));
  11000. /* Need to take the phy out of low power mode in order
  11001. * to write to access its registers
  11002. */
  11003. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11004. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11005. port);
  11006. /* Reset the phy */
  11007. bnx2x_cl45_write(bp, &phy[port],
  11008. MDIO_PMA_DEVAD,
  11009. MDIO_PMA_REG_CTRL,
  11010. 1<<15);
  11011. }
  11012. /* Add delay of 150ms after reset */
  11013. msleep(150);
  11014. if (phy[PORT_0].addr & 0x1) {
  11015. phy_blk[PORT_0] = &(phy[PORT_1]);
  11016. phy_blk[PORT_1] = &(phy[PORT_0]);
  11017. } else {
  11018. phy_blk[PORT_0] = &(phy[PORT_0]);
  11019. phy_blk[PORT_1] = &(phy[PORT_1]);
  11020. }
  11021. /* PART2 - Download firmware to both phys */
  11022. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11023. if (CHIP_IS_E1x(bp))
  11024. port_of_path = port;
  11025. else
  11026. port_of_path = 0;
  11027. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11028. phy_blk[port]->addr);
  11029. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11030. port_of_path))
  11031. return -EINVAL;
  11032. /* Only set bit 10 = 1 (Tx power down) */
  11033. bnx2x_cl45_read(bp, phy_blk[port],
  11034. MDIO_PMA_DEVAD,
  11035. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11036. /* Phase1 of TX_POWER_DOWN reset */
  11037. bnx2x_cl45_write(bp, phy_blk[port],
  11038. MDIO_PMA_DEVAD,
  11039. MDIO_PMA_REG_TX_POWER_DOWN,
  11040. (val | 1<<10));
  11041. }
  11042. /* Toggle Transmitter: Power down and then up with 600ms delay
  11043. * between
  11044. */
  11045. msleep(600);
  11046. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11047. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11048. /* Phase2 of POWER_DOWN_RESET */
  11049. /* Release bit 10 (Release Tx power down) */
  11050. bnx2x_cl45_read(bp, phy_blk[port],
  11051. MDIO_PMA_DEVAD,
  11052. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11053. bnx2x_cl45_write(bp, phy_blk[port],
  11054. MDIO_PMA_DEVAD,
  11055. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11056. usleep_range(15000, 30000);
  11057. /* Read modify write the SPI-ROM version select register */
  11058. bnx2x_cl45_read(bp, phy_blk[port],
  11059. MDIO_PMA_DEVAD,
  11060. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11061. bnx2x_cl45_write(bp, phy_blk[port],
  11062. MDIO_PMA_DEVAD,
  11063. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11064. /* set GPIO2 back to LOW */
  11065. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11066. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11067. }
  11068. return 0;
  11069. }
  11070. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11071. u32 shmem_base_path[],
  11072. u32 shmem2_base_path[], u8 phy_index,
  11073. u32 chip_id)
  11074. {
  11075. u32 val;
  11076. s8 port;
  11077. struct bnx2x_phy phy;
  11078. /* Use port1 because of the static port-swap */
  11079. /* Enable the module detection interrupt */
  11080. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11081. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11082. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11083. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11084. bnx2x_ext_phy_hw_reset(bp, 0);
  11085. usleep_range(5000, 10000);
  11086. for (port = 0; port < PORT_MAX; port++) {
  11087. u32 shmem_base, shmem2_base;
  11088. /* In E2, same phy is using for port0 of the two paths */
  11089. if (CHIP_IS_E1x(bp)) {
  11090. shmem_base = shmem_base_path[0];
  11091. shmem2_base = shmem2_base_path[0];
  11092. } else {
  11093. shmem_base = shmem_base_path[port];
  11094. shmem2_base = shmem2_base_path[port];
  11095. }
  11096. /* Extract the ext phy address for the port */
  11097. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11098. port, &phy) !=
  11099. 0) {
  11100. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11101. return -EINVAL;
  11102. }
  11103. /* Reset phy*/
  11104. bnx2x_cl45_write(bp, &phy,
  11105. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11106. /* Set fault module detected LED on */
  11107. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11108. MISC_REGISTERS_GPIO_HIGH,
  11109. port);
  11110. }
  11111. return 0;
  11112. }
  11113. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11114. u8 *io_gpio, u8 *io_port)
  11115. {
  11116. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11117. offsetof(struct shmem_region,
  11118. dev_info.port_hw_config[PORT_0].default_cfg));
  11119. switch (phy_gpio_reset) {
  11120. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11121. *io_gpio = 0;
  11122. *io_port = 0;
  11123. break;
  11124. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11125. *io_gpio = 1;
  11126. *io_port = 0;
  11127. break;
  11128. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11129. *io_gpio = 2;
  11130. *io_port = 0;
  11131. break;
  11132. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11133. *io_gpio = 3;
  11134. *io_port = 0;
  11135. break;
  11136. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11137. *io_gpio = 0;
  11138. *io_port = 1;
  11139. break;
  11140. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11141. *io_gpio = 1;
  11142. *io_port = 1;
  11143. break;
  11144. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11145. *io_gpio = 2;
  11146. *io_port = 1;
  11147. break;
  11148. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11149. *io_gpio = 3;
  11150. *io_port = 1;
  11151. break;
  11152. default:
  11153. /* Don't override the io_gpio and io_port */
  11154. break;
  11155. }
  11156. }
  11157. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11158. u32 shmem_base_path[],
  11159. u32 shmem2_base_path[], u8 phy_index,
  11160. u32 chip_id)
  11161. {
  11162. s8 port, reset_gpio;
  11163. u32 swap_val, swap_override;
  11164. struct bnx2x_phy phy[PORT_MAX];
  11165. struct bnx2x_phy *phy_blk[PORT_MAX];
  11166. s8 port_of_path;
  11167. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11168. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11169. reset_gpio = MISC_REGISTERS_GPIO_1;
  11170. port = 1;
  11171. /* Retrieve the reset gpio/port which control the reset.
  11172. * Default is GPIO1, PORT1
  11173. */
  11174. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11175. (u8 *)&reset_gpio, (u8 *)&port);
  11176. /* Calculate the port based on port swap */
  11177. port ^= (swap_val && swap_override);
  11178. /* Initiate PHY reset*/
  11179. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11180. port);
  11181. usleep_range(1000, 2000);
  11182. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11183. port);
  11184. usleep_range(5000, 10000);
  11185. /* PART1 - Reset both phys */
  11186. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11187. u32 shmem_base, shmem2_base;
  11188. /* In E2, same phy is using for port0 of the two paths */
  11189. if (CHIP_IS_E1x(bp)) {
  11190. shmem_base = shmem_base_path[0];
  11191. shmem2_base = shmem2_base_path[0];
  11192. port_of_path = port;
  11193. } else {
  11194. shmem_base = shmem_base_path[port];
  11195. shmem2_base = shmem2_base_path[port];
  11196. port_of_path = 0;
  11197. }
  11198. /* Extract the ext phy address for the port */
  11199. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11200. port_of_path, &phy[port]) !=
  11201. 0) {
  11202. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11203. return -EINVAL;
  11204. }
  11205. /* disable attentions */
  11206. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11207. port_of_path*4,
  11208. (NIG_MASK_XGXS0_LINK_STATUS |
  11209. NIG_MASK_XGXS0_LINK10G |
  11210. NIG_MASK_SERDES0_LINK_STATUS |
  11211. NIG_MASK_MI_INT));
  11212. /* Reset the phy */
  11213. bnx2x_cl45_write(bp, &phy[port],
  11214. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11215. }
  11216. /* Add delay of 150ms after reset */
  11217. msleep(150);
  11218. if (phy[PORT_0].addr & 0x1) {
  11219. phy_blk[PORT_0] = &(phy[PORT_1]);
  11220. phy_blk[PORT_1] = &(phy[PORT_0]);
  11221. } else {
  11222. phy_blk[PORT_0] = &(phy[PORT_0]);
  11223. phy_blk[PORT_1] = &(phy[PORT_1]);
  11224. }
  11225. /* PART2 - Download firmware to both phys */
  11226. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11227. if (CHIP_IS_E1x(bp))
  11228. port_of_path = port;
  11229. else
  11230. port_of_path = 0;
  11231. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11232. phy_blk[port]->addr);
  11233. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11234. port_of_path))
  11235. return -EINVAL;
  11236. /* Disable PHY transmitter output */
  11237. bnx2x_cl45_write(bp, phy_blk[port],
  11238. MDIO_PMA_DEVAD,
  11239. MDIO_PMA_REG_TX_DISABLE, 1);
  11240. }
  11241. return 0;
  11242. }
  11243. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11244. u32 shmem_base_path[],
  11245. u32 shmem2_base_path[],
  11246. u8 phy_index,
  11247. u32 chip_id)
  11248. {
  11249. u8 reset_gpios;
  11250. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11251. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11252. udelay(10);
  11253. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11254. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11255. reset_gpios);
  11256. return 0;
  11257. }
  11258. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11259. struct bnx2x_phy *phy)
  11260. {
  11261. u16 val, cnt;
  11262. /* Wait for FW completing its initialization. */
  11263. for (cnt = 0; cnt < 1500; cnt++) {
  11264. bnx2x_cl45_read(bp, phy,
  11265. MDIO_PMA_DEVAD,
  11266. MDIO_PMA_REG_CTRL, &val);
  11267. if (!(val & (1<<15)))
  11268. break;
  11269. usleep_range(1000, 2000);
  11270. }
  11271. if (cnt >= 1500) {
  11272. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11273. return -EINVAL;
  11274. }
  11275. /* Put the port in super isolate mode. */
  11276. bnx2x_cl45_read(bp, phy,
  11277. MDIO_CTL_DEVAD,
  11278. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11279. val |= MDIO_84833_SUPER_ISOLATE;
  11280. bnx2x_cl45_write(bp, phy,
  11281. MDIO_CTL_DEVAD,
  11282. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11283. /* Save spirom version */
  11284. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11285. return 0;
  11286. }
  11287. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11288. u32 shmem_base,
  11289. u32 shmem2_base,
  11290. u32 chip_id)
  11291. {
  11292. int rc = 0;
  11293. struct bnx2x_phy phy;
  11294. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11295. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11296. PORT_0, &phy)) {
  11297. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11298. return -EINVAL;
  11299. }
  11300. switch (phy.type) {
  11301. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11302. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11303. break;
  11304. default:
  11305. break;
  11306. }
  11307. return rc;
  11308. }
  11309. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11310. u32 shmem2_base_path[], u8 phy_index,
  11311. u32 ext_phy_type, u32 chip_id)
  11312. {
  11313. int rc = 0;
  11314. switch (ext_phy_type) {
  11315. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11316. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11317. shmem2_base_path,
  11318. phy_index, chip_id);
  11319. break;
  11320. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11321. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11322. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11323. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11324. shmem2_base_path,
  11325. phy_index, chip_id);
  11326. break;
  11327. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11328. /* GPIO1 affects both ports, so there's need to pull
  11329. * it for single port alone
  11330. */
  11331. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11332. shmem2_base_path,
  11333. phy_index, chip_id);
  11334. break;
  11335. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11336. /* GPIO3's are linked, and so both need to be toggled
  11337. * to obtain required 2us pulse.
  11338. */
  11339. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11340. shmem2_base_path,
  11341. phy_index, chip_id);
  11342. break;
  11343. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11344. rc = -EINVAL;
  11345. break;
  11346. default:
  11347. DP(NETIF_MSG_LINK,
  11348. "ext_phy 0x%x common init not required\n",
  11349. ext_phy_type);
  11350. break;
  11351. }
  11352. if (rc)
  11353. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11354. " Port %d\n",
  11355. 0);
  11356. return rc;
  11357. }
  11358. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11359. u32 shmem2_base_path[], u32 chip_id)
  11360. {
  11361. int rc = 0;
  11362. u32 phy_ver, val;
  11363. u8 phy_index = 0;
  11364. u32 ext_phy_type, ext_phy_config;
  11365. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11366. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11367. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11368. if (CHIP_IS_E3(bp)) {
  11369. /* Enable EPIO */
  11370. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11371. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11372. }
  11373. /* Check if common init was already done */
  11374. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11375. offsetof(struct shmem_region,
  11376. port_mb[PORT_0].ext_phy_fw_version));
  11377. if (phy_ver) {
  11378. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11379. phy_ver);
  11380. return 0;
  11381. }
  11382. /* Read the ext_phy_type for arbitrary port(0) */
  11383. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11384. phy_index++) {
  11385. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11386. shmem_base_path[0],
  11387. phy_index, 0);
  11388. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11389. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11390. shmem2_base_path,
  11391. phy_index, ext_phy_type,
  11392. chip_id);
  11393. }
  11394. return rc;
  11395. }
  11396. static void bnx2x_check_over_curr(struct link_params *params,
  11397. struct link_vars *vars)
  11398. {
  11399. struct bnx2x *bp = params->bp;
  11400. u32 cfg_pin;
  11401. u8 port = params->port;
  11402. u32 pin_val;
  11403. cfg_pin = (REG_RD(bp, params->shmem_base +
  11404. offsetof(struct shmem_region,
  11405. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11406. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11407. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11408. /* Ignore check if no external input PIN available */
  11409. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11410. return;
  11411. if (!pin_val) {
  11412. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11413. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11414. " been detected and the power to "
  11415. "that SFP+ module has been removed"
  11416. " to prevent failure of the card."
  11417. " Please remove the SFP+ module and"
  11418. " restart the system to clear this"
  11419. " error.\n",
  11420. params->port);
  11421. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11422. }
  11423. } else
  11424. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11425. }
  11426. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11427. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11428. struct link_vars *vars, u32 status,
  11429. u32 phy_flag, u32 link_flag, u8 notify)
  11430. {
  11431. struct bnx2x *bp = params->bp;
  11432. /* Compare new value with previous value */
  11433. u8 led_mode;
  11434. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11435. if ((status ^ old_status) == 0)
  11436. return 0;
  11437. /* If values differ */
  11438. switch (phy_flag) {
  11439. case PHY_HALF_OPEN_CONN_FLAG:
  11440. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11441. break;
  11442. case PHY_SFP_TX_FAULT_FLAG:
  11443. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11444. break;
  11445. default:
  11446. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11447. }
  11448. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11449. old_status, status);
  11450. /* a. Update shmem->link_status accordingly
  11451. * b. Update link_vars->link_up
  11452. */
  11453. if (status) {
  11454. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11455. vars->link_status |= link_flag;
  11456. vars->link_up = 0;
  11457. vars->phy_flags |= phy_flag;
  11458. /* activate nig drain */
  11459. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11460. /* Set LED mode to off since the PHY doesn't know about these
  11461. * errors
  11462. */
  11463. led_mode = LED_MODE_OFF;
  11464. } else {
  11465. vars->link_status |= LINK_STATUS_LINK_UP;
  11466. vars->link_status &= ~link_flag;
  11467. vars->link_up = 1;
  11468. vars->phy_flags &= ~phy_flag;
  11469. led_mode = LED_MODE_OPER;
  11470. /* Clear nig drain */
  11471. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11472. }
  11473. bnx2x_sync_link(params, vars);
  11474. /* Update the LED according to the link state */
  11475. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11476. /* Update link status in the shared memory */
  11477. bnx2x_update_mng(params, vars->link_status);
  11478. /* C. Trigger General Attention */
  11479. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11480. if (notify)
  11481. bnx2x_notify_link_changed(bp);
  11482. return 1;
  11483. }
  11484. /******************************************************************************
  11485. * Description:
  11486. * This function checks for half opened connection change indication.
  11487. * When such change occurs, it calls the bnx2x_analyze_link_error
  11488. * to check if Remote Fault is set or cleared. Reception of remote fault
  11489. * status message in the MAC indicates that the peer's MAC has detected
  11490. * a fault, for example, due to break in the TX side of fiber.
  11491. *
  11492. ******************************************************************************/
  11493. int bnx2x_check_half_open_conn(struct link_params *params,
  11494. struct link_vars *vars,
  11495. u8 notify)
  11496. {
  11497. struct bnx2x *bp = params->bp;
  11498. u32 lss_status = 0;
  11499. u32 mac_base;
  11500. /* In case link status is physically up @ 10G do */
  11501. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11502. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11503. return 0;
  11504. if (CHIP_IS_E3(bp) &&
  11505. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11506. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11507. /* Check E3 XMAC */
  11508. /* Note that link speed cannot be queried here, since it may be
  11509. * zero while link is down. In case UMAC is active, LSS will
  11510. * simply not be set
  11511. */
  11512. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11513. /* Clear stick bits (Requires rising edge) */
  11514. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11515. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11516. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11517. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11518. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11519. lss_status = 1;
  11520. bnx2x_analyze_link_error(params, vars, lss_status,
  11521. PHY_HALF_OPEN_CONN_FLAG,
  11522. LINK_STATUS_NONE, notify);
  11523. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11524. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11525. /* Check E1X / E2 BMAC */
  11526. u32 lss_status_reg;
  11527. u32 wb_data[2];
  11528. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11529. NIG_REG_INGRESS_BMAC0_MEM;
  11530. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11531. if (CHIP_IS_E2(bp))
  11532. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11533. else
  11534. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11535. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11536. lss_status = (wb_data[0] > 0);
  11537. bnx2x_analyze_link_error(params, vars, lss_status,
  11538. PHY_HALF_OPEN_CONN_FLAG,
  11539. LINK_STATUS_NONE, notify);
  11540. }
  11541. return 0;
  11542. }
  11543. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11544. struct link_params *params,
  11545. struct link_vars *vars)
  11546. {
  11547. struct bnx2x *bp = params->bp;
  11548. u32 cfg_pin, value = 0;
  11549. u8 led_change, port = params->port;
  11550. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11551. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11552. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11553. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11554. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11555. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11556. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11557. return;
  11558. }
  11559. led_change = bnx2x_analyze_link_error(params, vars, value,
  11560. PHY_SFP_TX_FAULT_FLAG,
  11561. LINK_STATUS_SFP_TX_FAULT, 1);
  11562. if (led_change) {
  11563. /* Change TX_Fault led, set link status for further syncs */
  11564. u8 led_mode;
  11565. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11566. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11567. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11568. } else {
  11569. led_mode = MISC_REGISTERS_GPIO_LOW;
  11570. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11571. }
  11572. /* If module is unapproved, led should be on regardless */
  11573. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11574. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11575. led_mode);
  11576. bnx2x_set_e3_module_fault_led(params, led_mode);
  11577. }
  11578. }
  11579. }
  11580. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11581. {
  11582. u16 phy_idx;
  11583. struct bnx2x *bp = params->bp;
  11584. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11585. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11586. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11587. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11588. 0)
  11589. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11590. break;
  11591. }
  11592. }
  11593. if (CHIP_IS_E3(bp)) {
  11594. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11595. bnx2x_set_aer_mmd(params, phy);
  11596. bnx2x_check_over_curr(params, vars);
  11597. if (vars->rx_tx_asic_rst)
  11598. bnx2x_warpcore_config_runtime(phy, params, vars);
  11599. if ((REG_RD(bp, params->shmem_base +
  11600. offsetof(struct shmem_region, dev_info.
  11601. port_hw_config[params->port].default_cfg))
  11602. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11603. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11604. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11605. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11606. } else if (vars->link_status &
  11607. LINK_STATUS_SFP_TX_FAULT) {
  11608. /* Clean trail, interrupt corrects the leds */
  11609. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11610. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11611. /* Update link status in the shared memory */
  11612. bnx2x_update_mng(params, vars->link_status);
  11613. }
  11614. }
  11615. }
  11616. }
  11617. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11618. {
  11619. u8 phy_index;
  11620. struct bnx2x_phy phy;
  11621. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11622. phy_index++) {
  11623. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11624. 0, &phy) != 0) {
  11625. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11626. return 0;
  11627. }
  11628. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11629. return 1;
  11630. }
  11631. return 0;
  11632. }
  11633. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11634. u32 shmem_base,
  11635. u32 shmem2_base,
  11636. u8 port)
  11637. {
  11638. u8 phy_index, fan_failure_det_req = 0;
  11639. struct bnx2x_phy phy;
  11640. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11641. phy_index++) {
  11642. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11643. port, &phy)
  11644. != 0) {
  11645. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11646. return 0;
  11647. }
  11648. fan_failure_det_req |= (phy.flags &
  11649. FLAGS_FAN_FAILURE_DET_REQ);
  11650. }
  11651. return fan_failure_det_req;
  11652. }
  11653. void bnx2x_hw_reset_phy(struct link_params *params)
  11654. {
  11655. u8 phy_index;
  11656. struct bnx2x *bp = params->bp;
  11657. bnx2x_update_mng(params, 0);
  11658. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11659. (NIG_MASK_XGXS0_LINK_STATUS |
  11660. NIG_MASK_XGXS0_LINK10G |
  11661. NIG_MASK_SERDES0_LINK_STATUS |
  11662. NIG_MASK_MI_INT));
  11663. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11664. phy_index++) {
  11665. if (params->phy[phy_index].hw_reset) {
  11666. params->phy[phy_index].hw_reset(
  11667. &params->phy[phy_index],
  11668. params);
  11669. params->phy[phy_index] = phy_null;
  11670. }
  11671. }
  11672. }
  11673. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11674. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11675. u8 port)
  11676. {
  11677. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11678. u32 val;
  11679. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11680. if (CHIP_IS_E3(bp)) {
  11681. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11682. shmem_base,
  11683. port,
  11684. &gpio_num,
  11685. &gpio_port) != 0)
  11686. return;
  11687. } else {
  11688. struct bnx2x_phy phy;
  11689. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11690. phy_index++) {
  11691. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11692. shmem2_base, port, &phy)
  11693. != 0) {
  11694. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11695. return;
  11696. }
  11697. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11698. gpio_num = MISC_REGISTERS_GPIO_3;
  11699. gpio_port = port;
  11700. break;
  11701. }
  11702. }
  11703. }
  11704. if (gpio_num == 0xff)
  11705. return;
  11706. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11707. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11708. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11709. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11710. gpio_port ^= (swap_val && swap_override);
  11711. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11712. (gpio_num + (gpio_port << 2));
  11713. sync_offset = shmem_base +
  11714. offsetof(struct shmem_region,
  11715. dev_info.port_hw_config[port].aeu_int_mask);
  11716. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11717. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11718. gpio_num, gpio_port, vars->aeu_int_mask);
  11719. if (port == 0)
  11720. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11721. else
  11722. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11723. /* Open appropriate AEU for interrupts */
  11724. aeu_mask = REG_RD(bp, offset);
  11725. aeu_mask |= vars->aeu_int_mask;
  11726. REG_WR(bp, offset, aeu_mask);
  11727. /* Enable the GPIO to trigger interrupt */
  11728. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11729. val |= 1 << (gpio_num + (gpio_port << 2));
  11730. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11731. }