bnx2x_link.c 386 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define MCPR_IMC_COMMAND_READ_OP 1
  40. #define MCPR_IMC_COMMAND_WRITE_OP 2
  41. /* LED Blink rate that will achieve ~15.9Hz */
  42. #define LED_BLINK_RATE_VAL_E3 354
  43. #define LED_BLINK_RATE_VAL_E1X_E2 480
  44. /***********************************************************/
  45. /* Shortcut definitions */
  46. /***********************************************************/
  47. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  48. #define NIG_STATUS_EMAC0_MI_INT \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  50. #define NIG_STATUS_XGXS0_LINK10G \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  52. #define NIG_STATUS_XGXS0_LINK_STATUS \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  54. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  56. #define NIG_STATUS_SERDES0_LINK_STATUS \
  57. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  58. #define NIG_MASK_MI_INT \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  60. #define NIG_MASK_XGXS0_LINK10G \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  62. #define NIG_MASK_XGXS0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  64. #define NIG_MASK_SERDES0_LINK_STATUS \
  65. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  66. #define MDIO_AN_CL73_OR_37_COMPLETE \
  67. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  68. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  69. #define XGXS_RESET_BITS \
  70. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  75. #define SERDES_RESET_BITS \
  76. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  80. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  81. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  82. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  83. #define AUTONEG_PARALLEL \
  84. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  85. #define AUTONEG_SGMII_FIBER_AUTODET \
  86. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  87. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  88. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  90. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  92. #define GP_STATUS_SPEED_MASK \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  94. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  95. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  96. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  97. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  98. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  99. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  100. #define GP_STATUS_10G_HIG \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  102. #define GP_STATUS_10G_CX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  104. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  105. #define GP_STATUS_10G_KX4 \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  107. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  108. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  109. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  110. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  111. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  112. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  113. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  114. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  115. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  116. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  117. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  118. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  119. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  120. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  121. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  122. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  123. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  124. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  125. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  126. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  127. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  128. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  129. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  130. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  131. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  132. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  133. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  136. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  137. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  138. #define SFP_EEPROM_OPTIONS_SIZE 2
  139. #define EDC_MODE_LINEAR 0x0022
  140. #define EDC_MODE_LIMITING 0x0044
  141. #define EDC_MODE_PASSIVE_DAC 0x0055
  142. /* BRB default for class 0 E2 */
  143. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  145. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  147. /* BRB thresholds for E2*/
  148. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  150. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  154. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  156. /* BRB default for class 0 E3A0 */
  157. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  159. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  161. /* BRB thresholds for E3A0 */
  162. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  168. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  170. /* BRB default for E3B0 */
  171. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  173. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  175. /* BRB thresholds for E3B0 2 port mode*/
  176. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  184. /* only for E3B0*/
  185. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  187. /* Lossy +Lossless GUARANTIED == GUART */
  188. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  189. /* Lossless +Lossless*/
  190. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  191. /* Lossy +Lossy*/
  192. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  193. /* Lossy +Lossless*/
  194. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  195. /* Lossless +Lossless*/
  196. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  197. /* Lossy +Lossy*/
  198. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  199. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  200. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  202. /* BRB thresholds for E3B0 4 port mode */
  203. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  211. /* only for E3B0*/
  212. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  214. #define PFC_E3B0_4P_LB_GUART 120
  215. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  217. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  219. /* Pause defines*/
  220. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  222. #define DEFAULT_E3B0_LB_GUART 40
  223. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  225. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  227. /* ETS defines*/
  228. #define DCBX_INVALID_COS (0xFF)
  229. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  230. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  231. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  233. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  234. #define MAX_PACKET_SIZE (9700)
  235. #define WC_UC_TIMEOUT 100
  236. #define MAX_KR_LINK_RETRY 4
  237. /**********************************************************/
  238. /* INTERFACE */
  239. /**********************************************************/
  240. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  241. bnx2x_cl45_write(_bp, _phy, \
  242. (_phy)->def_md_devad, \
  243. (_bank + (_addr & 0xf)), \
  244. _val)
  245. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  246. bnx2x_cl45_read(_bp, _phy, \
  247. (_phy)->def_md_devad, \
  248. (_bank + (_addr & 0xf)), \
  249. _val)
  250. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  251. {
  252. u32 val = REG_RD(bp, reg);
  253. val |= bits;
  254. REG_WR(bp, reg, val);
  255. return val;
  256. }
  257. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  258. {
  259. u32 val = REG_RD(bp, reg);
  260. val &= ~bits;
  261. REG_WR(bp, reg, val);
  262. return val;
  263. }
  264. /******************************************************************/
  265. /* EPIO/GPIO section */
  266. /******************************************************************/
  267. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  268. {
  269. u32 epio_mask, gp_oenable;
  270. *en = 0;
  271. /* Sanity check */
  272. if (epio_pin > 31) {
  273. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  274. return;
  275. }
  276. epio_mask = 1 << epio_pin;
  277. /* Set this EPIO to output */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  280. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  281. }
  282. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  283. {
  284. u32 epio_mask, gp_output, gp_oenable;
  285. /* Sanity check */
  286. if (epio_pin > 31) {
  287. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  288. return;
  289. }
  290. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  291. epio_mask = 1 << epio_pin;
  292. /* Set this EPIO to output */
  293. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  294. if (en)
  295. gp_output |= epio_mask;
  296. else
  297. gp_output &= ~epio_mask;
  298. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  299. /* Set the value for this EPIO */
  300. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  301. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  302. }
  303. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  304. {
  305. if (pin_cfg == PIN_CFG_NA)
  306. return;
  307. if (pin_cfg >= PIN_CFG_EPIO0) {
  308. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  309. } else {
  310. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  311. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  312. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  313. }
  314. }
  315. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  316. {
  317. if (pin_cfg == PIN_CFG_NA)
  318. return -EINVAL;
  319. if (pin_cfg >= PIN_CFG_EPIO0) {
  320. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  321. } else {
  322. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  323. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  324. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  325. }
  326. return 0;
  327. }
  328. /******************************************************************/
  329. /* ETS section */
  330. /******************************************************************/
  331. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  332. {
  333. /* ETS disabled configuration*/
  334. struct bnx2x *bp = params->bp;
  335. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  336. /* mapping between entry priority to client number (0,1,2 -debug and
  337. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  338. * 3bits client num.
  339. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  340. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  343. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  344. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  345. * COS0 entry, 4 - COS1 entry.
  346. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  347. * bit4 bit3 bit2 bit1 bit0
  348. * MCP and debug are strict
  349. */
  350. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  351. /* defines which entries (clients) are subjected to WFQ arbitration */
  352. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  353. /* For strict priority entries defines the number of consecutive
  354. * slots for the highest priority.
  355. */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  357. /* mapping between the CREDIT_WEIGHT registers and actual client
  358. * numbers
  359. */
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  362. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  363. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  364. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  365. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  366. /* ETS mode disable */
  367. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  368. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  369. * weight for COS0/COS1.
  370. */
  371. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  372. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  373. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  374. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  375. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  376. /* Defines the number of consecutive slots for the strict priority */
  377. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  378. }
  379. /******************************************************************************
  380. * Description:
  381. * Getting min_w_val will be set according to line speed .
  382. *.
  383. ******************************************************************************/
  384. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  385. {
  386. u32 min_w_val = 0;
  387. /* Calculate min_w_val.*/
  388. if (vars->link_up) {
  389. if (vars->line_speed == SPEED_20000)
  390. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  391. else
  392. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  393. } else
  394. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  395. /* If the link isn't up (static configuration for example ) The
  396. * link will be according to 20GBPS.
  397. */
  398. return min_w_val;
  399. }
  400. /******************************************************************************
  401. * Description:
  402. * Getting credit upper bound form min_w_val.
  403. *.
  404. ******************************************************************************/
  405. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  406. {
  407. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  408. MAX_PACKET_SIZE);
  409. return credit_upper_bound;
  410. }
  411. /******************************************************************************
  412. * Description:
  413. * Set credit upper bound for NIG.
  414. *.
  415. ******************************************************************************/
  416. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  417. const struct link_params *params,
  418. const u32 min_w_val)
  419. {
  420. struct bnx2x *bp = params->bp;
  421. const u8 port = params->port;
  422. const u32 credit_upper_bound =
  423. bnx2x_ets_get_credit_upper_bound(min_w_val);
  424. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  425. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  426. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  427. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  428. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  429. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  430. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  431. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  436. if (!port) {
  437. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  438. credit_upper_bound);
  439. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  440. credit_upper_bound);
  441. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  442. credit_upper_bound);
  443. }
  444. }
  445. /******************************************************************************
  446. * Description:
  447. * Will return the NIG ETS registers to init values.Except
  448. * credit_upper_bound.
  449. * That isn't used in this configuration (No WFQ is enabled) and will be
  450. * configured acording to spec
  451. *.
  452. ******************************************************************************/
  453. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  454. const struct link_vars *vars)
  455. {
  456. struct bnx2x *bp = params->bp;
  457. const u8 port = params->port;
  458. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  459. /* Mapping between entry priority to client number (0,1,2 -debug and
  460. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  461. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  462. * reset value or init tool
  463. */
  464. if (port) {
  465. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  467. } else {
  468. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  469. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  470. }
  471. /* For strict priority entries defines the number of consecutive
  472. * slots for the highest priority.
  473. */
  474. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  475. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  476. /* Mapping between the CREDIT_WEIGHT registers and actual client
  477. * numbers
  478. */
  479. if (port) {
  480. /*Port 1 has 6 COS*/
  481. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  482. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  483. } else {
  484. /*Port 0 has 9 COS*/
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  486. 0x43210876);
  487. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  488. }
  489. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  490. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  491. * COS0 entry, 4 - COS1 entry.
  492. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  493. * bit4 bit3 bit2 bit1 bit0
  494. * MCP and debug are strict
  495. */
  496. if (port)
  497. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  498. else
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  500. /* defines which entries (clients) are subjected to WFQ arbitration */
  501. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  502. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  503. /* Please notice the register address are note continuous and a
  504. * for here is note appropriate.In 2 port mode port0 only COS0-5
  505. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  506. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  507. * are never used for WFQ
  508. */
  509. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  510. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  511. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  512. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  513. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  514. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  516. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  517. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  518. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  519. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  520. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  521. if (!port) {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  524. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  525. }
  526. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  527. }
  528. /******************************************************************************
  529. * Description:
  530. * Set credit upper bound for PBF.
  531. *.
  532. ******************************************************************************/
  533. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  534. const struct link_params *params,
  535. const u32 min_w_val)
  536. {
  537. struct bnx2x *bp = params->bp;
  538. const u32 credit_upper_bound =
  539. bnx2x_ets_get_credit_upper_bound(min_w_val);
  540. const u8 port = params->port;
  541. u32 base_upper_bound = 0;
  542. u8 max_cos = 0;
  543. u8 i = 0;
  544. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  545. * port mode port1 has COS0-2 that can be used for WFQ.
  546. */
  547. if (!port) {
  548. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  549. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  550. } else {
  551. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  552. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  553. }
  554. for (i = 0; i < max_cos; i++)
  555. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  556. }
  557. /******************************************************************************
  558. * Description:
  559. * Will return the PBF ETS registers to init values.Except
  560. * credit_upper_bound.
  561. * That isn't used in this configuration (No WFQ is enabled) and will be
  562. * configured acording to spec
  563. *.
  564. ******************************************************************************/
  565. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  566. {
  567. struct bnx2x *bp = params->bp;
  568. const u8 port = params->port;
  569. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  570. u8 i = 0;
  571. u32 base_weight = 0;
  572. u8 max_cos = 0;
  573. /* Mapping between entry priority to client number 0 - COS0
  574. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  575. * TODO_ETS - Should be done by reset value or init tool
  576. */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000) */
  579. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  580. else
  581. /* (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  583. /* TODO_ETS - Should be done by reset value or init tool */
  584. if (port)
  585. /* 0x688 (|011|0 10|00 1|000)*/
  586. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  587. else
  588. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  589. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  590. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  591. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  592. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  593. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  594. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  595. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  596. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  597. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  598. */
  599. if (!port) {
  600. base_weight = PBF_REG_COS0_WEIGHT_P0;
  601. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  602. } else {
  603. base_weight = PBF_REG_COS0_WEIGHT_P1;
  604. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  605. }
  606. for (i = 0; i < max_cos; i++)
  607. REG_WR(bp, base_weight + (0x4 * i), 0);
  608. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  609. }
  610. /******************************************************************************
  611. * Description:
  612. * E3B0 disable will return basicly the values to init values.
  613. *.
  614. ******************************************************************************/
  615. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  616. const struct link_vars *vars)
  617. {
  618. struct bnx2x *bp = params->bp;
  619. if (!CHIP_IS_E3B0(bp)) {
  620. DP(NETIF_MSG_LINK,
  621. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  622. return -EINVAL;
  623. }
  624. bnx2x_ets_e3b0_nig_disabled(params, vars);
  625. bnx2x_ets_e3b0_pbf_disabled(params);
  626. return 0;
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * Disable will return basicly the values to init values.
  631. *
  632. ******************************************************************************/
  633. int bnx2x_ets_disabled(struct link_params *params,
  634. struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. int bnx2x_status = 0;
  638. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  639. bnx2x_ets_e2e3a0_disabled(params);
  640. else if (CHIP_IS_E3B0(bp))
  641. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  642. else {
  643. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  644. return -EINVAL;
  645. }
  646. return bnx2x_status;
  647. }
  648. /******************************************************************************
  649. * Description
  650. * Set the COS mappimg to SP and BW until this point all the COS are not
  651. * set as SP or BW.
  652. ******************************************************************************/
  653. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  654. const struct bnx2x_ets_params *ets_params,
  655. const u8 cos_sp_bitmap,
  656. const u8 cos_bw_bitmap)
  657. {
  658. struct bnx2x *bp = params->bp;
  659. const u8 port = params->port;
  660. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  661. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  662. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  663. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  664. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  665. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  666. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  667. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  668. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  669. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  670. nig_cli_subject2wfq_bitmap);
  671. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  672. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  673. pbf_cli_subject2wfq_bitmap);
  674. return 0;
  675. }
  676. /******************************************************************************
  677. * Description:
  678. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  679. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  680. ******************************************************************************/
  681. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  682. const u8 cos_entry,
  683. const u32 min_w_val_nig,
  684. const u32 min_w_val_pbf,
  685. const u16 total_bw,
  686. const u8 bw,
  687. const u8 port)
  688. {
  689. u32 nig_reg_adress_crd_weight = 0;
  690. u32 pbf_reg_adress_crd_weight = 0;
  691. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  692. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  693. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  694. switch (cos_entry) {
  695. case 0:
  696. nig_reg_adress_crd_weight =
  697. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  698. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  699. pbf_reg_adress_crd_weight = (port) ?
  700. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  701. break;
  702. case 1:
  703. nig_reg_adress_crd_weight = (port) ?
  704. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  705. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  706. pbf_reg_adress_crd_weight = (port) ?
  707. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  708. break;
  709. case 2:
  710. nig_reg_adress_crd_weight = (port) ?
  711. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  712. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  713. pbf_reg_adress_crd_weight = (port) ?
  714. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  715. break;
  716. case 3:
  717. if (port)
  718. return -EINVAL;
  719. nig_reg_adress_crd_weight =
  720. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  721. pbf_reg_adress_crd_weight =
  722. PBF_REG_COS3_WEIGHT_P0;
  723. break;
  724. case 4:
  725. if (port)
  726. return -EINVAL;
  727. nig_reg_adress_crd_weight =
  728. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  729. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  730. break;
  731. case 5:
  732. if (port)
  733. return -EINVAL;
  734. nig_reg_adress_crd_weight =
  735. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  736. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  737. break;
  738. }
  739. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  740. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  741. return 0;
  742. }
  743. /******************************************************************************
  744. * Description:
  745. * Calculate the total BW.A value of 0 isn't legal.
  746. *
  747. ******************************************************************************/
  748. static int bnx2x_ets_e3b0_get_total_bw(
  749. const struct link_params *params,
  750. struct bnx2x_ets_params *ets_params,
  751. u16 *total_bw)
  752. {
  753. struct bnx2x *bp = params->bp;
  754. u8 cos_idx = 0;
  755. u8 is_bw_cos_exist = 0;
  756. *total_bw = 0 ;
  757. /* Calculate total BW requested */
  758. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  759. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  760. is_bw_cos_exist = 1;
  761. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  762. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  763. "was set to 0\n");
  764. /* This is to prevent a state when ramrods
  765. * can't be sent
  766. */
  767. ets_params->cos[cos_idx].params.bw_params.bw
  768. = 1;
  769. }
  770. *total_bw +=
  771. ets_params->cos[cos_idx].params.bw_params.bw;
  772. }
  773. }
  774. /* Check total BW is valid */
  775. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  776. if (*total_bw == 0) {
  777. DP(NETIF_MSG_LINK,
  778. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  779. return -EINVAL;
  780. }
  781. DP(NETIF_MSG_LINK,
  782. "bnx2x_ets_E3B0_config total BW should be 100\n");
  783. /* We can handle a case whre the BW isn't 100 this can happen
  784. * if the TC are joined.
  785. */
  786. }
  787. return 0;
  788. }
  789. /******************************************************************************
  790. * Description:
  791. * Invalidate all the sp_pri_to_cos.
  792. *
  793. ******************************************************************************/
  794. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  795. {
  796. u8 pri = 0;
  797. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  798. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  799. }
  800. /******************************************************************************
  801. * Description:
  802. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  803. * according to sp_pri_to_cos.
  804. *
  805. ******************************************************************************/
  806. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  807. u8 *sp_pri_to_cos, const u8 pri,
  808. const u8 cos_entry)
  809. {
  810. struct bnx2x *bp = params->bp;
  811. const u8 port = params->port;
  812. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  813. DCBX_E3B0_MAX_NUM_COS_PORT0;
  814. if (pri >= max_num_of_cos) {
  815. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  816. "parameter Illegal strict priority\n");
  817. return -EINVAL;
  818. }
  819. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  820. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  821. "parameter There can't be two COS's with "
  822. "the same strict pri\n");
  823. return -EINVAL;
  824. }
  825. sp_pri_to_cos[pri] = cos_entry;
  826. return 0;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in
  831. * the sp_pri_cli register.
  832. *
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  835. const u8 pri_set,
  836. const u8 pri_offset,
  837. const u8 entry_size)
  838. {
  839. u64 pri_cli_nig = 0;
  840. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  841. (pri_set + pri_offset));
  842. return pri_cli_nig;
  843. }
  844. /******************************************************************************
  845. * Description:
  846. * Returns the correct value according to COS and priority in the
  847. * sp_pri_cli register for NIG.
  848. *
  849. ******************************************************************************/
  850. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  851. {
  852. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  853. const u8 nig_cos_offset = 3;
  854. const u8 nig_pri_offset = 3;
  855. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  856. nig_pri_offset, 4);
  857. }
  858. /******************************************************************************
  859. * Description:
  860. * Returns the correct value according to COS and priority in the
  861. * sp_pri_cli register for PBF.
  862. *
  863. ******************************************************************************/
  864. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  865. {
  866. const u8 pbf_cos_offset = 0;
  867. const u8 pbf_pri_offset = 0;
  868. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  869. pbf_pri_offset, 3);
  870. }
  871. /******************************************************************************
  872. * Description:
  873. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  874. * according to sp_pri_to_cos.(which COS has higher priority)
  875. *
  876. ******************************************************************************/
  877. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  878. u8 *sp_pri_to_cos)
  879. {
  880. struct bnx2x *bp = params->bp;
  881. u8 i = 0;
  882. const u8 port = params->port;
  883. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  884. u64 pri_cli_nig = 0x210;
  885. u32 pri_cli_pbf = 0x0;
  886. u8 pri_set = 0;
  887. u8 pri_bitmask = 0;
  888. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  889. DCBX_E3B0_MAX_NUM_COS_PORT0;
  890. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  891. /* Set all the strict priority first */
  892. for (i = 0; i < max_num_of_cos; i++) {
  893. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  894. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  895. DP(NETIF_MSG_LINK,
  896. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  897. "invalid cos entry\n");
  898. return -EINVAL;
  899. }
  900. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  901. sp_pri_to_cos[i], pri_set);
  902. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  903. sp_pri_to_cos[i], pri_set);
  904. pri_bitmask = 1 << sp_pri_to_cos[i];
  905. /* COS is used remove it from bitmap.*/
  906. if (!(pri_bitmask & cos_bit_to_set)) {
  907. DP(NETIF_MSG_LINK,
  908. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  909. "invalid There can't be two COS's with"
  910. " the same strict pri\n");
  911. return -EINVAL;
  912. }
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. /* Set all the Non strict priority i= COS*/
  918. for (i = 0; i < max_num_of_cos; i++) {
  919. pri_bitmask = 1 << i;
  920. /* Check if COS was already used for SP */
  921. if (pri_bitmask & cos_bit_to_set) {
  922. /* COS wasn't used for SP */
  923. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  924. i, pri_set);
  925. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  926. i, pri_set);
  927. /* COS is used remove it from bitmap.*/
  928. cos_bit_to_set &= ~pri_bitmask;
  929. pri_set++;
  930. }
  931. }
  932. if (pri_set != max_num_of_cos) {
  933. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  934. "entries were set\n");
  935. return -EINVAL;
  936. }
  937. if (port) {
  938. /* Only 6 usable clients*/
  939. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  940. (u32)pri_cli_nig);
  941. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  942. } else {
  943. /* Only 9 usable clients*/
  944. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  945. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  946. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  947. pri_cli_nig_lsb);
  948. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  949. pri_cli_nig_msb);
  950. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  951. }
  952. return 0;
  953. }
  954. /******************************************************************************
  955. * Description:
  956. * Configure the COS to ETS according to BW and SP settings.
  957. ******************************************************************************/
  958. int bnx2x_ets_e3b0_config(const struct link_params *params,
  959. const struct link_vars *vars,
  960. struct bnx2x_ets_params *ets_params)
  961. {
  962. struct bnx2x *bp = params->bp;
  963. int bnx2x_status = 0;
  964. const u8 port = params->port;
  965. u16 total_bw = 0;
  966. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  967. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  968. u8 cos_bw_bitmap = 0;
  969. u8 cos_sp_bitmap = 0;
  970. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  971. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  972. DCBX_E3B0_MAX_NUM_COS_PORT0;
  973. u8 cos_entry = 0;
  974. if (!CHIP_IS_E3B0(bp)) {
  975. DP(NETIF_MSG_LINK,
  976. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  977. return -EINVAL;
  978. }
  979. if ((ets_params->num_of_cos > max_num_of_cos)) {
  980. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  981. "isn't supported\n");
  982. return -EINVAL;
  983. }
  984. /* Prepare sp strict priority parameters*/
  985. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  986. /* Prepare BW parameters*/
  987. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  988. &total_bw);
  989. if (bnx2x_status) {
  990. DP(NETIF_MSG_LINK,
  991. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  992. return -EINVAL;
  993. }
  994. /* Upper bound is set according to current link speed (min_w_val
  995. * should be the same for upper bound and COS credit val).
  996. */
  997. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  998. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  999. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1000. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1001. cos_bw_bitmap |= (1 << cos_entry);
  1002. /* The function also sets the BW in HW(not the mappin
  1003. * yet)
  1004. */
  1005. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1006. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1007. total_bw,
  1008. ets_params->cos[cos_entry].params.bw_params.bw,
  1009. port);
  1010. } else if (bnx2x_cos_state_strict ==
  1011. ets_params->cos[cos_entry].state){
  1012. cos_sp_bitmap |= (1 << cos_entry);
  1013. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1014. params,
  1015. sp_pri_to_cos,
  1016. ets_params->cos[cos_entry].params.sp_params.pri,
  1017. cos_entry);
  1018. } else {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_e3b0_config cos state not valid\n");
  1021. return -EINVAL;
  1022. }
  1023. if (bnx2x_status) {
  1024. DP(NETIF_MSG_LINK,
  1025. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1026. return bnx2x_status;
  1027. }
  1028. }
  1029. /* Set SP register (which COS has higher priority) */
  1030. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1031. sp_pri_to_cos);
  1032. if (bnx2x_status) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1035. return bnx2x_status;
  1036. }
  1037. /* Set client mapping of BW and strict */
  1038. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1039. cos_sp_bitmap,
  1040. cos_bw_bitmap);
  1041. if (bnx2x_status) {
  1042. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1043. return bnx2x_status;
  1044. }
  1045. return 0;
  1046. }
  1047. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1048. {
  1049. /* ETS disabled configuration */
  1050. struct bnx2x *bp = params->bp;
  1051. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1052. /* Defines which entries (clients) are subjected to WFQ arbitration
  1053. * COS0 0x8
  1054. * COS1 0x10
  1055. */
  1056. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1057. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1058. * client numbers (WEIGHT_0 does not actually have to represent
  1059. * client 0)
  1060. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1061. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1062. */
  1063. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1064. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1065. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1066. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1067. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1068. /* ETS mode enabled*/
  1069. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1070. /* Defines the number of consecutive slots for the strict priority */
  1071. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1072. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1073. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1074. * entry, 4 - COS1 entry.
  1075. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1076. * bit4 bit3 bit2 bit1 bit0
  1077. * MCP and debug are strict
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1080. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1081. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1082. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1083. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1084. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1085. }
  1086. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1087. const u32 cos1_bw)
  1088. {
  1089. /* ETS disabled configuration*/
  1090. struct bnx2x *bp = params->bp;
  1091. const u32 total_bw = cos0_bw + cos1_bw;
  1092. u32 cos0_credit_weight = 0;
  1093. u32 cos1_credit_weight = 0;
  1094. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1095. if ((!total_bw) ||
  1096. (!cos0_bw) ||
  1097. (!cos1_bw)) {
  1098. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1099. return;
  1100. }
  1101. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1102. total_bw;
  1103. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1104. total_bw;
  1105. bnx2x_ets_bw_limit_common(params);
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1108. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1109. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1110. }
  1111. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1112. {
  1113. /* ETS disabled configuration*/
  1114. struct bnx2x *bp = params->bp;
  1115. u32 val = 0;
  1116. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1117. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1118. * as strict. Bits 0,1,2 - debug and management entries,
  1119. * 3 - COS0 entry, 4 - COS1 entry.
  1120. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1121. * bit4 bit3 bit2 bit1 bit0
  1122. * MCP and debug are strict
  1123. */
  1124. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1125. /* For strict priority entries defines the number of consecutive slots
  1126. * for the highest priority.
  1127. */
  1128. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1129. /* ETS mode disable */
  1130. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1131. /* Defines the number of consecutive slots for the strict priority */
  1132. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1133. /* Defines the number of consecutive slots for the strict priority */
  1134. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1135. /* Mapping between entry priority to client number (0,1,2 -debug and
  1136. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1137. * 3bits client num.
  1138. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1139. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1140. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1141. */
  1142. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1143. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1144. return 0;
  1145. }
  1146. /******************************************************************/
  1147. /* EEE section */
  1148. /******************************************************************/
  1149. static u8 bnx2x_eee_has_cap(struct link_params *params)
  1150. {
  1151. struct bnx2x *bp = params->bp;
  1152. if (REG_RD(bp, params->shmem2_base) <=
  1153. offsetof(struct shmem2_region, eee_status[params->port]))
  1154. return 0;
  1155. return 1;
  1156. }
  1157. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  1158. {
  1159. switch (nvram_mode) {
  1160. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  1161. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  1162. break;
  1163. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  1164. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  1165. break;
  1166. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  1167. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  1168. break;
  1169. default:
  1170. *idle_timer = 0;
  1171. break;
  1172. }
  1173. return 0;
  1174. }
  1175. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  1176. {
  1177. switch (idle_timer) {
  1178. case EEE_MODE_NVRAM_BALANCED_TIME:
  1179. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  1180. break;
  1181. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  1182. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  1183. break;
  1184. case EEE_MODE_NVRAM_LATENCY_TIME:
  1185. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  1186. break;
  1187. default:
  1188. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  1189. break;
  1190. }
  1191. return 0;
  1192. }
  1193. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  1194. {
  1195. u32 eee_mode, eee_idle;
  1196. struct bnx2x *bp = params->bp;
  1197. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  1198. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  1199. /* time value in eee_mode --> used directly*/
  1200. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  1201. } else {
  1202. /* hsi value in eee_mode --> time */
  1203. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  1204. EEE_MODE_NVRAM_MASK,
  1205. &eee_idle))
  1206. return 0;
  1207. }
  1208. } else {
  1209. /* hsi values in nvram --> time*/
  1210. eee_mode = ((REG_RD(bp, params->shmem_base +
  1211. offsetof(struct shmem_region, dev_info.
  1212. port_feature_config[params->port].
  1213. eee_power_mode)) &
  1214. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  1215. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  1216. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  1217. return 0;
  1218. }
  1219. return eee_idle;
  1220. }
  1221. /******************************************************************/
  1222. /* PFC section */
  1223. /******************************************************************/
  1224. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1225. struct link_vars *vars,
  1226. u8 is_lb)
  1227. {
  1228. struct bnx2x *bp = params->bp;
  1229. u32 xmac_base;
  1230. u32 pause_val, pfc0_val, pfc1_val;
  1231. /* XMAC base adrr */
  1232. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1233. /* Initialize pause and pfc registers */
  1234. pause_val = 0x18000;
  1235. pfc0_val = 0xFFFF8000;
  1236. pfc1_val = 0x2;
  1237. /* No PFC support */
  1238. if (!(params->feature_config_flags &
  1239. FEATURE_CONFIG_PFC_ENABLED)) {
  1240. /* RX flow control - Process pause frame in receive direction
  1241. */
  1242. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1243. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1244. /* TX flow control - Send pause packet when buffer is full */
  1245. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1246. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1247. } else {/* PFC support */
  1248. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1249. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1250. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1251. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1252. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1253. /* Write pause and PFC registers */
  1254. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1255. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1256. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1257. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1258. }
  1259. /* Write pause and PFC registers */
  1260. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1261. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1262. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1263. /* Set MAC address for source TX Pause/PFC frames */
  1264. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1265. ((params->mac_addr[2] << 24) |
  1266. (params->mac_addr[3] << 16) |
  1267. (params->mac_addr[4] << 8) |
  1268. (params->mac_addr[5])));
  1269. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1270. ((params->mac_addr[0] << 8) |
  1271. (params->mac_addr[1])));
  1272. udelay(30);
  1273. }
  1274. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1275. u32 pfc_frames_sent[2],
  1276. u32 pfc_frames_received[2])
  1277. {
  1278. /* Read pfc statistic */
  1279. struct bnx2x *bp = params->bp;
  1280. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1281. u32 val_xon = 0;
  1282. u32 val_xoff = 0;
  1283. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1284. /* PFC received frames */
  1285. val_xoff = REG_RD(bp, emac_base +
  1286. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1287. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1288. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1289. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1290. pfc_frames_received[0] = val_xon + val_xoff;
  1291. /* PFC received sent */
  1292. val_xoff = REG_RD(bp, emac_base +
  1293. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1294. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1295. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1296. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1297. pfc_frames_sent[0] = val_xon + val_xoff;
  1298. }
  1299. /* Read pfc statistic*/
  1300. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1301. u32 pfc_frames_sent[2],
  1302. u32 pfc_frames_received[2])
  1303. {
  1304. /* Read pfc statistic */
  1305. struct bnx2x *bp = params->bp;
  1306. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1307. if (!vars->link_up)
  1308. return;
  1309. if (vars->mac_type == MAC_TYPE_EMAC) {
  1310. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1311. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1312. pfc_frames_received);
  1313. }
  1314. }
  1315. /******************************************************************/
  1316. /* MAC/PBF section */
  1317. /******************************************************************/
  1318. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1319. {
  1320. u32 mode, emac_base;
  1321. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1322. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1323. */
  1324. if (CHIP_IS_E2(bp))
  1325. emac_base = GRCBASE_EMAC0;
  1326. else
  1327. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1328. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1329. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1330. EMAC_MDIO_MODE_CLOCK_CNT);
  1331. if (USES_WARPCORE(bp))
  1332. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1333. else
  1334. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1335. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1336. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1337. udelay(40);
  1338. }
  1339. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1340. {
  1341. u32 port4mode_ovwr_val;
  1342. /* Check 4-port override enabled */
  1343. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1344. if (port4mode_ovwr_val & (1<<0)) {
  1345. /* Return 4-port mode override value */
  1346. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1347. }
  1348. /* Return 4-port mode from input pin */
  1349. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1350. }
  1351. static void bnx2x_emac_init(struct link_params *params,
  1352. struct link_vars *vars)
  1353. {
  1354. /* reset and unreset the emac core */
  1355. struct bnx2x *bp = params->bp;
  1356. u8 port = params->port;
  1357. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1358. u32 val;
  1359. u16 timeout;
  1360. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1361. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1362. udelay(5);
  1363. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1364. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1365. /* init emac - use read-modify-write */
  1366. /* self clear reset */
  1367. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1368. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1369. timeout = 200;
  1370. do {
  1371. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1372. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1373. if (!timeout) {
  1374. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1375. return;
  1376. }
  1377. timeout--;
  1378. } while (val & EMAC_MODE_RESET);
  1379. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1380. /* Set mac address */
  1381. val = ((params->mac_addr[0] << 8) |
  1382. params->mac_addr[1]);
  1383. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1384. val = ((params->mac_addr[2] << 24) |
  1385. (params->mac_addr[3] << 16) |
  1386. (params->mac_addr[4] << 8) |
  1387. params->mac_addr[5]);
  1388. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1389. }
  1390. static void bnx2x_set_xumac_nig(struct link_params *params,
  1391. u16 tx_pause_en,
  1392. u8 enable)
  1393. {
  1394. struct bnx2x *bp = params->bp;
  1395. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1396. enable);
  1397. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1398. enable);
  1399. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1400. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1401. }
  1402. static void bnx2x_umac_disable(struct link_params *params)
  1403. {
  1404. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1405. struct bnx2x *bp = params->bp;
  1406. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1407. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1408. return;
  1409. /* Disable RX and TX */
  1410. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1411. }
  1412. static void bnx2x_umac_enable(struct link_params *params,
  1413. struct link_vars *vars, u8 lb)
  1414. {
  1415. u32 val;
  1416. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1417. struct bnx2x *bp = params->bp;
  1418. /* Reset UMAC */
  1419. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1420. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1421. usleep_range(1000, 1000);
  1422. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1423. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1424. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1425. /* This register opens the gate for the UMAC despite its name */
  1426. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1427. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1428. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1429. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1430. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1431. switch (vars->line_speed) {
  1432. case SPEED_10:
  1433. val |= (0<<2);
  1434. break;
  1435. case SPEED_100:
  1436. val |= (1<<2);
  1437. break;
  1438. case SPEED_1000:
  1439. val |= (2<<2);
  1440. break;
  1441. case SPEED_2500:
  1442. val |= (3<<2);
  1443. break;
  1444. default:
  1445. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1446. vars->line_speed);
  1447. break;
  1448. }
  1449. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1450. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1451. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1452. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1453. if (vars->duplex == DUPLEX_HALF)
  1454. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1455. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1456. udelay(50);
  1457. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1458. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1459. ((params->mac_addr[2] << 24) |
  1460. (params->mac_addr[3] << 16) |
  1461. (params->mac_addr[4] << 8) |
  1462. (params->mac_addr[5])));
  1463. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1464. ((params->mac_addr[0] << 8) |
  1465. (params->mac_addr[1])));
  1466. /* Enable RX and TX */
  1467. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1468. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1469. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1470. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1471. udelay(50);
  1472. /* Remove SW Reset */
  1473. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1474. /* Check loopback mode */
  1475. if (lb)
  1476. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1477. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1478. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1479. * length used by the MAC receive logic to check frames.
  1480. */
  1481. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1482. bnx2x_set_xumac_nig(params,
  1483. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1484. vars->mac_type = MAC_TYPE_UMAC;
  1485. }
  1486. /* Define the XMAC mode */
  1487. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1488. {
  1489. struct bnx2x *bp = params->bp;
  1490. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1491. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1492. * already out of reset, it means the mode has already been set,
  1493. * and it must not* reset the XMAC again, since it controls both
  1494. * ports of the path
  1495. */
  1496. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1497. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1498. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1499. DP(NETIF_MSG_LINK,
  1500. "XMAC already out of reset in 4-port mode\n");
  1501. return;
  1502. }
  1503. /* Hard reset */
  1504. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1505. MISC_REGISTERS_RESET_REG_2_XMAC);
  1506. usleep_range(1000, 1000);
  1507. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1508. MISC_REGISTERS_RESET_REG_2_XMAC);
  1509. if (is_port4mode) {
  1510. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1511. /* Set the number of ports on the system side to up to 2 */
  1512. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1513. /* Set the number of ports on the Warp Core to 10G */
  1514. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1515. } else {
  1516. /* Set the number of ports on the system side to 1 */
  1517. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1518. if (max_speed == SPEED_10000) {
  1519. DP(NETIF_MSG_LINK,
  1520. "Init XMAC to 10G x 1 port per path\n");
  1521. /* Set the number of ports on the Warp Core to 10G */
  1522. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1523. } else {
  1524. DP(NETIF_MSG_LINK,
  1525. "Init XMAC to 20G x 2 ports per path\n");
  1526. /* Set the number of ports on the Warp Core to 20G */
  1527. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1528. }
  1529. }
  1530. /* Soft reset */
  1531. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1532. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1533. usleep_range(1000, 1000);
  1534. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1535. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1536. }
  1537. static void bnx2x_xmac_disable(struct link_params *params)
  1538. {
  1539. u8 port = params->port;
  1540. struct bnx2x *bp = params->bp;
  1541. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1543. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1544. /* Send an indication to change the state in the NIG back to XON
  1545. * Clearing this bit enables the next set of this bit to get
  1546. * rising edge
  1547. */
  1548. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1549. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1550. (pfc_ctrl & ~(1<<1)));
  1551. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1552. (pfc_ctrl | (1<<1)));
  1553. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1554. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1555. }
  1556. }
  1557. static int bnx2x_xmac_enable(struct link_params *params,
  1558. struct link_vars *vars, u8 lb)
  1559. {
  1560. u32 val, xmac_base;
  1561. struct bnx2x *bp = params->bp;
  1562. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1563. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1564. bnx2x_xmac_init(params, vars->line_speed);
  1565. /* This register determines on which events the MAC will assert
  1566. * error on the i/f to the NIG along w/ EOP.
  1567. */
  1568. /* This register tells the NIG whether to send traffic to UMAC
  1569. * or XMAC
  1570. */
  1571. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1572. /* Set Max packet size */
  1573. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1574. /* CRC append for Tx packets */
  1575. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1576. /* update PFC */
  1577. bnx2x_update_pfc_xmac(params, vars, 0);
  1578. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1579. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1580. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1581. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1582. } else {
  1583. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1584. }
  1585. /* Enable TX and RX */
  1586. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1587. /* Check loopback mode */
  1588. if (lb)
  1589. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1590. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1591. bnx2x_set_xumac_nig(params,
  1592. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1593. vars->mac_type = MAC_TYPE_XMAC;
  1594. return 0;
  1595. }
  1596. static int bnx2x_emac_enable(struct link_params *params,
  1597. struct link_vars *vars, u8 lb)
  1598. {
  1599. struct bnx2x *bp = params->bp;
  1600. u8 port = params->port;
  1601. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1602. u32 val;
  1603. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1604. /* Disable BMAC */
  1605. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1606. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1607. /* enable emac and not bmac */
  1608. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1609. /* ASIC */
  1610. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1611. u32 ser_lane = ((params->lane_config &
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1613. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1614. DP(NETIF_MSG_LINK, "XGXS\n");
  1615. /* select the master lanes (out of 0-3) */
  1616. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1617. /* select XGXS */
  1618. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1619. } else { /* SerDes */
  1620. DP(NETIF_MSG_LINK, "SerDes\n");
  1621. /* select SerDes */
  1622. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1623. }
  1624. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_RESET);
  1626. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. EMAC_TX_MODE_RESET);
  1628. if (CHIP_REV_IS_SLOW(bp)) {
  1629. /* config GMII mode */
  1630. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1631. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1632. } else { /* ASIC */
  1633. /* pause enable/disable */
  1634. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1635. EMAC_RX_MODE_FLOW_EN);
  1636. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1637. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1638. EMAC_TX_MODE_FLOW_EN));
  1639. if (!(params->feature_config_flags &
  1640. FEATURE_CONFIG_PFC_ENABLED)) {
  1641. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1642. bnx2x_bits_en(bp, emac_base +
  1643. EMAC_REG_EMAC_RX_MODE,
  1644. EMAC_RX_MODE_FLOW_EN);
  1645. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1646. bnx2x_bits_en(bp, emac_base +
  1647. EMAC_REG_EMAC_TX_MODE,
  1648. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1649. EMAC_TX_MODE_FLOW_EN));
  1650. } else
  1651. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1652. EMAC_TX_MODE_FLOW_EN);
  1653. }
  1654. /* KEEP_VLAN_TAG, promiscuous */
  1655. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1656. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1657. /* Setting this bit causes MAC control frames (except for pause
  1658. * frames) to be passed on for processing. This setting has no
  1659. * affect on the operation of the pause frames. This bit effects
  1660. * all packets regardless of RX Parser packet sorting logic.
  1661. * Turn the PFC off to make sure we are in Xon state before
  1662. * enabling it.
  1663. */
  1664. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1665. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1666. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1667. /* Enable PFC again */
  1668. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1669. EMAC_REG_RX_PFC_MODE_RX_EN |
  1670. EMAC_REG_RX_PFC_MODE_TX_EN |
  1671. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1672. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1673. ((0x0101 <<
  1674. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1675. (0x00ff <<
  1676. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1677. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1678. }
  1679. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1680. /* Set Loopback */
  1681. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1682. if (lb)
  1683. val |= 0x810;
  1684. else
  1685. val &= ~0x810;
  1686. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1687. /* enable emac */
  1688. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1689. /* enable emac for jumbo packets */
  1690. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1691. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1692. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1693. /* strip CRC */
  1694. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1695. /* disable the NIG in/out to the bmac */
  1696. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1697. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1698. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1699. /* enable the NIG in/out to the emac */
  1700. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1701. val = 0;
  1702. if ((params->feature_config_flags &
  1703. FEATURE_CONFIG_PFC_ENABLED) ||
  1704. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1705. val = 1;
  1706. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1707. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1708. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1709. vars->mac_type = MAC_TYPE_EMAC;
  1710. return 0;
  1711. }
  1712. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1713. struct link_vars *vars)
  1714. {
  1715. u32 wb_data[2];
  1716. struct bnx2x *bp = params->bp;
  1717. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1718. NIG_REG_INGRESS_BMAC0_MEM;
  1719. u32 val = 0x14;
  1720. if ((!(params->feature_config_flags &
  1721. FEATURE_CONFIG_PFC_ENABLED)) &&
  1722. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1723. /* Enable BigMAC to react on received Pause packets */
  1724. val |= (1<<5);
  1725. wb_data[0] = val;
  1726. wb_data[1] = 0;
  1727. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1728. /* tx control */
  1729. val = 0xc0;
  1730. if (!(params->feature_config_flags &
  1731. FEATURE_CONFIG_PFC_ENABLED) &&
  1732. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1733. val |= 0x800000;
  1734. wb_data[0] = val;
  1735. wb_data[1] = 0;
  1736. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1737. }
  1738. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1739. struct link_vars *vars,
  1740. u8 is_lb)
  1741. {
  1742. /* Set rx control: Strip CRC and enable BigMAC to relay
  1743. * control packets to the system as well
  1744. */
  1745. u32 wb_data[2];
  1746. struct bnx2x *bp = params->bp;
  1747. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1748. NIG_REG_INGRESS_BMAC0_MEM;
  1749. u32 val = 0x14;
  1750. if ((!(params->feature_config_flags &
  1751. FEATURE_CONFIG_PFC_ENABLED)) &&
  1752. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1753. /* Enable BigMAC to react on received Pause packets */
  1754. val |= (1<<5);
  1755. wb_data[0] = val;
  1756. wb_data[1] = 0;
  1757. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1758. udelay(30);
  1759. /* Tx control */
  1760. val = 0xc0;
  1761. if (!(params->feature_config_flags &
  1762. FEATURE_CONFIG_PFC_ENABLED) &&
  1763. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1764. val |= 0x800000;
  1765. wb_data[0] = val;
  1766. wb_data[1] = 0;
  1767. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1768. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1769. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1770. /* Enable PFC RX & TX & STATS and set 8 COS */
  1771. wb_data[0] = 0x0;
  1772. wb_data[0] |= (1<<0); /* RX */
  1773. wb_data[0] |= (1<<1); /* TX */
  1774. wb_data[0] |= (1<<2); /* Force initial Xon */
  1775. wb_data[0] |= (1<<3); /* 8 cos */
  1776. wb_data[0] |= (1<<5); /* STATS */
  1777. wb_data[1] = 0;
  1778. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1779. wb_data, 2);
  1780. /* Clear the force Xon */
  1781. wb_data[0] &= ~(1<<2);
  1782. } else {
  1783. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1784. /* disable PFC RX & TX & STATS and set 8 COS */
  1785. wb_data[0] = 0x8;
  1786. wb_data[1] = 0;
  1787. }
  1788. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1789. /* Set Time (based unit is 512 bit time) between automatic
  1790. * re-sending of PP packets amd enable automatic re-send of
  1791. * Per-Priroity Packet as long as pp_gen is asserted and
  1792. * pp_disable is low.
  1793. */
  1794. val = 0x8000;
  1795. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1796. val |= (1<<16); /* enable automatic re-send */
  1797. wb_data[0] = val;
  1798. wb_data[1] = 0;
  1799. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1800. wb_data, 2);
  1801. /* mac control */
  1802. val = 0x3; /* Enable RX and TX */
  1803. if (is_lb) {
  1804. val |= 0x4; /* Local loopback */
  1805. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1806. }
  1807. /* When PFC enabled, Pass pause frames towards the NIG. */
  1808. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1809. val |= ((1<<6)|(1<<5));
  1810. wb_data[0] = val;
  1811. wb_data[1] = 0;
  1812. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1813. }
  1814. /* PFC BRB internal port configuration params */
  1815. struct bnx2x_pfc_brb_threshold_val {
  1816. u32 pause_xoff;
  1817. u32 pause_xon;
  1818. u32 full_xoff;
  1819. u32 full_xon;
  1820. };
  1821. struct bnx2x_pfc_brb_e3b0_val {
  1822. u32 per_class_guaranty_mode;
  1823. u32 lb_guarantied_hyst;
  1824. u32 full_lb_xoff_th;
  1825. u32 full_lb_xon_threshold;
  1826. u32 lb_guarantied;
  1827. u32 mac_0_class_t_guarantied;
  1828. u32 mac_0_class_t_guarantied_hyst;
  1829. u32 mac_1_class_t_guarantied;
  1830. u32 mac_1_class_t_guarantied_hyst;
  1831. };
  1832. struct bnx2x_pfc_brb_th_val {
  1833. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1834. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1835. struct bnx2x_pfc_brb_threshold_val default_class0;
  1836. struct bnx2x_pfc_brb_threshold_val default_class1;
  1837. };
  1838. static int bnx2x_pfc_brb_get_config_params(
  1839. struct link_params *params,
  1840. struct bnx2x_pfc_brb_th_val *config_val)
  1841. {
  1842. struct bnx2x *bp = params->bp;
  1843. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1844. config_val->default_class1.pause_xoff = 0;
  1845. config_val->default_class1.pause_xon = 0;
  1846. config_val->default_class1.full_xoff = 0;
  1847. config_val->default_class1.full_xon = 0;
  1848. if (CHIP_IS_E2(bp)) {
  1849. /* Class0 defaults */
  1850. config_val->default_class0.pause_xoff =
  1851. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1852. config_val->default_class0.pause_xon =
  1853. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1854. config_val->default_class0.full_xoff =
  1855. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1856. config_val->default_class0.full_xon =
  1857. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1858. /* Pause able*/
  1859. config_val->pauseable_th.pause_xoff =
  1860. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1861. config_val->pauseable_th.pause_xon =
  1862. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1863. config_val->pauseable_th.full_xoff =
  1864. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1865. config_val->pauseable_th.full_xon =
  1866. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1867. /* non pause able*/
  1868. config_val->non_pauseable_th.pause_xoff =
  1869. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1870. config_val->non_pauseable_th.pause_xon =
  1871. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1872. config_val->non_pauseable_th.full_xoff =
  1873. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1874. config_val->non_pauseable_th.full_xon =
  1875. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1876. } else if (CHIP_IS_E3A0(bp)) {
  1877. /* Class0 defaults */
  1878. config_val->default_class0.pause_xoff =
  1879. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1880. config_val->default_class0.pause_xon =
  1881. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1882. config_val->default_class0.full_xoff =
  1883. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1884. config_val->default_class0.full_xon =
  1885. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1886. /* Pause able */
  1887. config_val->pauseable_th.pause_xoff =
  1888. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1889. config_val->pauseable_th.pause_xon =
  1890. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1891. config_val->pauseable_th.full_xoff =
  1892. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1893. config_val->pauseable_th.full_xon =
  1894. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1895. /* non pause able*/
  1896. config_val->non_pauseable_th.pause_xoff =
  1897. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1898. config_val->non_pauseable_th.pause_xon =
  1899. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1900. config_val->non_pauseable_th.full_xoff =
  1901. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1902. config_val->non_pauseable_th.full_xon =
  1903. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1904. } else if (CHIP_IS_E3B0(bp)) {
  1905. /* Class0 defaults */
  1906. config_val->default_class0.pause_xoff =
  1907. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1908. config_val->default_class0.pause_xon =
  1909. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1910. config_val->default_class0.full_xoff =
  1911. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1912. config_val->default_class0.full_xon =
  1913. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1914. if (params->phy[INT_PHY].flags &
  1915. FLAGS_4_PORT_MODE) {
  1916. config_val->pauseable_th.pause_xoff =
  1917. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1918. config_val->pauseable_th.pause_xon =
  1919. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1920. config_val->pauseable_th.full_xoff =
  1921. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1922. config_val->pauseable_th.full_xon =
  1923. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1924. /* non pause able*/
  1925. config_val->non_pauseable_th.pause_xoff =
  1926. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1927. config_val->non_pauseable_th.pause_xon =
  1928. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1929. config_val->non_pauseable_th.full_xoff =
  1930. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1931. config_val->non_pauseable_th.full_xon =
  1932. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1933. } else {
  1934. config_val->pauseable_th.pause_xoff =
  1935. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1936. config_val->pauseable_th.pause_xon =
  1937. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1938. config_val->pauseable_th.full_xoff =
  1939. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1940. config_val->pauseable_th.full_xon =
  1941. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1942. /* non pause able*/
  1943. config_val->non_pauseable_th.pause_xoff =
  1944. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1945. config_val->non_pauseable_th.pause_xon =
  1946. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1947. config_val->non_pauseable_th.full_xoff =
  1948. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1949. config_val->non_pauseable_th.full_xon =
  1950. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1951. }
  1952. } else
  1953. return -EINVAL;
  1954. return 0;
  1955. }
  1956. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1957. struct link_params *params,
  1958. struct bnx2x_pfc_brb_e3b0_val
  1959. *e3b0_val,
  1960. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1961. const u8 pfc_enabled)
  1962. {
  1963. if (pfc_enabled && pfc_params) {
  1964. e3b0_val->per_class_guaranty_mode = 1;
  1965. e3b0_val->lb_guarantied_hyst = 80;
  1966. if (params->phy[INT_PHY].flags &
  1967. FLAGS_4_PORT_MODE) {
  1968. e3b0_val->full_lb_xoff_th =
  1969. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1970. e3b0_val->full_lb_xon_threshold =
  1971. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1972. e3b0_val->lb_guarantied =
  1973. PFC_E3B0_4P_LB_GUART;
  1974. e3b0_val->mac_0_class_t_guarantied =
  1975. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1976. e3b0_val->mac_0_class_t_guarantied_hyst =
  1977. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1978. e3b0_val->mac_1_class_t_guarantied =
  1979. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1980. e3b0_val->mac_1_class_t_guarantied_hyst =
  1981. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1982. } else {
  1983. e3b0_val->full_lb_xoff_th =
  1984. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1985. e3b0_val->full_lb_xon_threshold =
  1986. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1987. e3b0_val->mac_0_class_t_guarantied_hyst =
  1988. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1989. e3b0_val->mac_1_class_t_guarantied =
  1990. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1991. e3b0_val->mac_1_class_t_guarantied_hyst =
  1992. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1993. if (pfc_params->cos0_pauseable !=
  1994. pfc_params->cos1_pauseable) {
  1995. /* nonpauseable= Lossy + pauseable = Lossless*/
  1996. e3b0_val->lb_guarantied =
  1997. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1998. e3b0_val->mac_0_class_t_guarantied =
  1999. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  2000. } else if (pfc_params->cos0_pauseable) {
  2001. /* Lossless +Lossless*/
  2002. e3b0_val->lb_guarantied =
  2003. PFC_E3B0_2P_PAUSE_LB_GUART;
  2004. e3b0_val->mac_0_class_t_guarantied =
  2005. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  2006. } else {
  2007. /* Lossy +Lossy*/
  2008. e3b0_val->lb_guarantied =
  2009. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  2010. e3b0_val->mac_0_class_t_guarantied =
  2011. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  2012. }
  2013. }
  2014. } else {
  2015. e3b0_val->per_class_guaranty_mode = 0;
  2016. e3b0_val->lb_guarantied_hyst = 0;
  2017. e3b0_val->full_lb_xoff_th =
  2018. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  2019. e3b0_val->full_lb_xon_threshold =
  2020. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  2021. e3b0_val->lb_guarantied =
  2022. DEFAULT_E3B0_LB_GUART;
  2023. e3b0_val->mac_0_class_t_guarantied =
  2024. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  2025. e3b0_val->mac_0_class_t_guarantied_hyst =
  2026. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  2027. e3b0_val->mac_1_class_t_guarantied =
  2028. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  2029. e3b0_val->mac_1_class_t_guarantied_hyst =
  2030. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  2031. }
  2032. }
  2033. static int bnx2x_update_pfc_brb(struct link_params *params,
  2034. struct link_vars *vars,
  2035. struct bnx2x_nig_brb_pfc_port_params
  2036. *pfc_params)
  2037. {
  2038. struct bnx2x *bp = params->bp;
  2039. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2040. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2041. &config_val.pauseable_th;
  2042. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2043. const int set_pfc = params->feature_config_flags &
  2044. FEATURE_CONFIG_PFC_ENABLED;
  2045. const u8 pfc_enabled = (set_pfc && pfc_params);
  2046. int bnx2x_status = 0;
  2047. u8 port = params->port;
  2048. /* default - pause configuration */
  2049. reg_th_config = &config_val.pauseable_th;
  2050. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2051. if (bnx2x_status)
  2052. return bnx2x_status;
  2053. if (pfc_enabled) {
  2054. /* First COS */
  2055. if (pfc_params->cos0_pauseable)
  2056. reg_th_config = &config_val.pauseable_th;
  2057. else
  2058. reg_th_config = &config_val.non_pauseable_th;
  2059. } else
  2060. reg_th_config = &config_val.default_class0;
  2061. /* The number of free blocks below which the pause signal to class 0
  2062. * of MAC #n is asserted. n=0,1
  2063. */
  2064. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2065. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2066. reg_th_config->pause_xoff);
  2067. /* The number of free blocks above which the pause signal to class 0
  2068. * of MAC #n is de-asserted. n=0,1
  2069. */
  2070. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2071. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2072. /* The number of free blocks below which the full signal to class 0
  2073. * of MAC #n is asserted. n=0,1
  2074. */
  2075. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2076. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2077. /* The number of free blocks above which the full signal to class 0
  2078. * of MAC #n is de-asserted. n=0,1
  2079. */
  2080. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2081. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2082. if (pfc_enabled) {
  2083. /* Second COS */
  2084. if (pfc_params->cos1_pauseable)
  2085. reg_th_config = &config_val.pauseable_th;
  2086. else
  2087. reg_th_config = &config_val.non_pauseable_th;
  2088. } else
  2089. reg_th_config = &config_val.default_class1;
  2090. /* The number of free blocks below which the pause signal to
  2091. * class 1 of MAC #n is asserted. n=0,1
  2092. */
  2093. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2094. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2095. reg_th_config->pause_xoff);
  2096. /* The number of free blocks above which the pause signal to
  2097. * class 1 of MAC #n is de-asserted. n=0,1
  2098. */
  2099. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2100. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2101. reg_th_config->pause_xon);
  2102. /* The number of free blocks below which the full signal to
  2103. * class 1 of MAC #n is asserted. n=0,1
  2104. */
  2105. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2106. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2107. reg_th_config->full_xoff);
  2108. /* The number of free blocks above which the full signal to
  2109. * class 1 of MAC #n is de-asserted. n=0,1
  2110. */
  2111. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2112. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2113. reg_th_config->full_xon);
  2114. if (CHIP_IS_E3B0(bp)) {
  2115. bnx2x_pfc_brb_get_e3b0_config_params(
  2116. params,
  2117. &e3b0_val,
  2118. pfc_params,
  2119. pfc_enabled);
  2120. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2121. e3b0_val.per_class_guaranty_mode);
  2122. /* The hysteresis on the guarantied buffer space for the Lb
  2123. * port before signaling XON.
  2124. */
  2125. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2126. e3b0_val.lb_guarantied_hyst);
  2127. /* The number of free blocks below which the full signal to the
  2128. * LB port is asserted.
  2129. */
  2130. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2131. e3b0_val.full_lb_xoff_th);
  2132. /* The number of free blocks above which the full signal to the
  2133. * LB port is de-asserted.
  2134. */
  2135. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2136. e3b0_val.full_lb_xon_threshold);
  2137. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2138. */
  2139. /* The number of blocks guarantied for the LB port. */
  2140. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2141. e3b0_val.lb_guarantied);
  2142. /* The number of blocks guarantied for the MAC #n port. */
  2143. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2144. 2 * e3b0_val.mac_0_class_t_guarantied);
  2145. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2146. 2 * e3b0_val.mac_1_class_t_guarantied);
  2147. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2148. */
  2149. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2150. e3b0_val.mac_0_class_t_guarantied);
  2151. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2152. e3b0_val.mac_0_class_t_guarantied);
  2153. /* The hysteresis on the guarantied buffer space for class in
  2154. * MAC0. t=0,1
  2155. */
  2156. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2157. e3b0_val.mac_0_class_t_guarantied_hyst);
  2158. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2159. e3b0_val.mac_0_class_t_guarantied_hyst);
  2160. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2161. */
  2162. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2163. e3b0_val.mac_1_class_t_guarantied);
  2164. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2165. e3b0_val.mac_1_class_t_guarantied);
  2166. /* The hysteresis on the guarantied buffer space for class #t
  2167. * in MAC1. t=0,1
  2168. */
  2169. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2170. e3b0_val.mac_1_class_t_guarantied_hyst);
  2171. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2172. e3b0_val.mac_1_class_t_guarantied_hyst);
  2173. }
  2174. return bnx2x_status;
  2175. }
  2176. /******************************************************************************
  2177. * Description:
  2178. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2179. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2180. ******************************************************************************/
  2181. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2182. u8 cos_entry,
  2183. u32 priority_mask, u8 port)
  2184. {
  2185. u32 nig_reg_rx_priority_mask_add = 0;
  2186. switch (cos_entry) {
  2187. case 0:
  2188. nig_reg_rx_priority_mask_add = (port) ?
  2189. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2190. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2191. break;
  2192. case 1:
  2193. nig_reg_rx_priority_mask_add = (port) ?
  2194. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2195. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2196. break;
  2197. case 2:
  2198. nig_reg_rx_priority_mask_add = (port) ?
  2199. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2200. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2201. break;
  2202. case 3:
  2203. if (port)
  2204. return -EINVAL;
  2205. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2206. break;
  2207. case 4:
  2208. if (port)
  2209. return -EINVAL;
  2210. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2211. break;
  2212. case 5:
  2213. if (port)
  2214. return -EINVAL;
  2215. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2216. break;
  2217. }
  2218. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2219. return 0;
  2220. }
  2221. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2222. {
  2223. struct bnx2x *bp = params->bp;
  2224. REG_WR(bp, params->shmem_base +
  2225. offsetof(struct shmem_region,
  2226. port_mb[params->port].link_status), link_status);
  2227. }
  2228. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2229. {
  2230. struct bnx2x *bp = params->bp;
  2231. if (bnx2x_eee_has_cap(params))
  2232. REG_WR(bp, params->shmem2_base +
  2233. offsetof(struct shmem2_region,
  2234. eee_status[params->port]), eee_status);
  2235. }
  2236. static void bnx2x_update_pfc_nig(struct link_params *params,
  2237. struct link_vars *vars,
  2238. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2239. {
  2240. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2241. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2242. u32 pkt_priority_to_cos = 0;
  2243. struct bnx2x *bp = params->bp;
  2244. u8 port = params->port;
  2245. int set_pfc = params->feature_config_flags &
  2246. FEATURE_CONFIG_PFC_ENABLED;
  2247. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2248. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2249. * MAC control frames (that are not pause packets)
  2250. * will be forwarded to the XCM.
  2251. */
  2252. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2253. NIG_REG_LLH0_XCM_MASK);
  2254. /* NIG params will override non PFC params, since it's possible to
  2255. * do transition from PFC to SAFC
  2256. */
  2257. if (set_pfc) {
  2258. pause_enable = 0;
  2259. llfc_out_en = 0;
  2260. llfc_enable = 0;
  2261. if (CHIP_IS_E3(bp))
  2262. ppp_enable = 0;
  2263. else
  2264. ppp_enable = 1;
  2265. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2266. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2267. xcm_out_en = 0;
  2268. hwpfc_enable = 1;
  2269. } else {
  2270. if (nig_params) {
  2271. llfc_out_en = nig_params->llfc_out_en;
  2272. llfc_enable = nig_params->llfc_enable;
  2273. pause_enable = nig_params->pause_enable;
  2274. } else /* Default non PFC mode - PAUSE */
  2275. pause_enable = 1;
  2276. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2277. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2278. xcm_out_en = 1;
  2279. }
  2280. if (CHIP_IS_E3(bp))
  2281. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2282. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2283. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2284. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2285. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2286. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2287. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2288. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2289. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2290. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2291. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2292. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2293. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2294. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2295. /* output enable for RX_XCM # IF */
  2296. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2297. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2298. /* HW PFC TX enable */
  2299. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2300. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2301. if (nig_params) {
  2302. u8 i = 0;
  2303. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2304. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2305. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2306. nig_params->rx_cos_priority_mask[i], port);
  2307. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2308. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2309. nig_params->llfc_high_priority_classes);
  2310. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2311. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2312. nig_params->llfc_low_priority_classes);
  2313. }
  2314. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2315. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2316. pkt_priority_to_cos);
  2317. }
  2318. int bnx2x_update_pfc(struct link_params *params,
  2319. struct link_vars *vars,
  2320. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2321. {
  2322. /* The PFC and pause are orthogonal to one another, meaning when
  2323. * PFC is enabled, the pause are disabled, and when PFC is
  2324. * disabled, pause are set according to the pause result.
  2325. */
  2326. u32 val;
  2327. struct bnx2x *bp = params->bp;
  2328. int bnx2x_status = 0;
  2329. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2330. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2331. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2332. else
  2333. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2334. bnx2x_update_mng(params, vars->link_status);
  2335. /* update NIG params */
  2336. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2337. /* update BRB params */
  2338. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2339. if (bnx2x_status)
  2340. return bnx2x_status;
  2341. if (!vars->link_up)
  2342. return bnx2x_status;
  2343. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2344. if (CHIP_IS_E3(bp))
  2345. bnx2x_update_pfc_xmac(params, vars, 0);
  2346. else {
  2347. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2348. if ((val &
  2349. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2350. == 0) {
  2351. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2352. bnx2x_emac_enable(params, vars, 0);
  2353. return bnx2x_status;
  2354. }
  2355. if (CHIP_IS_E2(bp))
  2356. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2357. else
  2358. bnx2x_update_pfc_bmac1(params, vars);
  2359. val = 0;
  2360. if ((params->feature_config_flags &
  2361. FEATURE_CONFIG_PFC_ENABLED) ||
  2362. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2363. val = 1;
  2364. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2365. }
  2366. return bnx2x_status;
  2367. }
  2368. static int bnx2x_bmac1_enable(struct link_params *params,
  2369. struct link_vars *vars,
  2370. u8 is_lb)
  2371. {
  2372. struct bnx2x *bp = params->bp;
  2373. u8 port = params->port;
  2374. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2375. NIG_REG_INGRESS_BMAC0_MEM;
  2376. u32 wb_data[2];
  2377. u32 val;
  2378. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2379. /* XGXS control */
  2380. wb_data[0] = 0x3c;
  2381. wb_data[1] = 0;
  2382. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2383. wb_data, 2);
  2384. /* tx MAC SA */
  2385. wb_data[0] = ((params->mac_addr[2] << 24) |
  2386. (params->mac_addr[3] << 16) |
  2387. (params->mac_addr[4] << 8) |
  2388. params->mac_addr[5]);
  2389. wb_data[1] = ((params->mac_addr[0] << 8) |
  2390. params->mac_addr[1]);
  2391. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2392. /* mac control */
  2393. val = 0x3;
  2394. if (is_lb) {
  2395. val |= 0x4;
  2396. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2397. }
  2398. wb_data[0] = val;
  2399. wb_data[1] = 0;
  2400. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2401. /* set rx mtu */
  2402. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2403. wb_data[1] = 0;
  2404. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2405. bnx2x_update_pfc_bmac1(params, vars);
  2406. /* set tx mtu */
  2407. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2408. wb_data[1] = 0;
  2409. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2410. /* set cnt max size */
  2411. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2412. wb_data[1] = 0;
  2413. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2414. /* configure safc */
  2415. wb_data[0] = 0x1000200;
  2416. wb_data[1] = 0;
  2417. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2418. wb_data, 2);
  2419. return 0;
  2420. }
  2421. static int bnx2x_bmac2_enable(struct link_params *params,
  2422. struct link_vars *vars,
  2423. u8 is_lb)
  2424. {
  2425. struct bnx2x *bp = params->bp;
  2426. u8 port = params->port;
  2427. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2428. NIG_REG_INGRESS_BMAC0_MEM;
  2429. u32 wb_data[2];
  2430. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2431. wb_data[0] = 0;
  2432. wb_data[1] = 0;
  2433. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2434. udelay(30);
  2435. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2436. wb_data[0] = 0x3c;
  2437. wb_data[1] = 0;
  2438. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2439. wb_data, 2);
  2440. udelay(30);
  2441. /* tx MAC SA */
  2442. wb_data[0] = ((params->mac_addr[2] << 24) |
  2443. (params->mac_addr[3] << 16) |
  2444. (params->mac_addr[4] << 8) |
  2445. params->mac_addr[5]);
  2446. wb_data[1] = ((params->mac_addr[0] << 8) |
  2447. params->mac_addr[1]);
  2448. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2449. wb_data, 2);
  2450. udelay(30);
  2451. /* Configure SAFC */
  2452. wb_data[0] = 0x1000200;
  2453. wb_data[1] = 0;
  2454. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2455. wb_data, 2);
  2456. udelay(30);
  2457. /* set rx mtu */
  2458. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2459. wb_data[1] = 0;
  2460. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2461. udelay(30);
  2462. /* set tx mtu */
  2463. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2464. wb_data[1] = 0;
  2465. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2466. udelay(30);
  2467. /* set cnt max size */
  2468. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2469. wb_data[1] = 0;
  2470. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2471. udelay(30);
  2472. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2473. return 0;
  2474. }
  2475. static int bnx2x_bmac_enable(struct link_params *params,
  2476. struct link_vars *vars,
  2477. u8 is_lb)
  2478. {
  2479. int rc = 0;
  2480. u8 port = params->port;
  2481. struct bnx2x *bp = params->bp;
  2482. u32 val;
  2483. /* reset and unreset the BigMac */
  2484. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2485. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2486. msleep(1);
  2487. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2488. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2489. /* enable access for bmac registers */
  2490. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2491. /* Enable BMAC according to BMAC type*/
  2492. if (CHIP_IS_E2(bp))
  2493. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2494. else
  2495. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2496. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2497. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2498. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2499. val = 0;
  2500. if ((params->feature_config_flags &
  2501. FEATURE_CONFIG_PFC_ENABLED) ||
  2502. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2503. val = 1;
  2504. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2505. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2506. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2507. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2508. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2509. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2510. vars->mac_type = MAC_TYPE_BMAC;
  2511. return rc;
  2512. }
  2513. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2514. {
  2515. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2516. NIG_REG_INGRESS_BMAC0_MEM;
  2517. u32 wb_data[2];
  2518. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2519. /* Only if the bmac is out of reset */
  2520. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2521. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2522. nig_bmac_enable) {
  2523. if (CHIP_IS_E2(bp)) {
  2524. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2525. REG_RD_DMAE(bp, bmac_addr +
  2526. BIGMAC2_REGISTER_BMAC_CONTROL,
  2527. wb_data, 2);
  2528. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2529. REG_WR_DMAE(bp, bmac_addr +
  2530. BIGMAC2_REGISTER_BMAC_CONTROL,
  2531. wb_data, 2);
  2532. } else {
  2533. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2534. REG_RD_DMAE(bp, bmac_addr +
  2535. BIGMAC_REGISTER_BMAC_CONTROL,
  2536. wb_data, 2);
  2537. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2538. REG_WR_DMAE(bp, bmac_addr +
  2539. BIGMAC_REGISTER_BMAC_CONTROL,
  2540. wb_data, 2);
  2541. }
  2542. msleep(1);
  2543. }
  2544. }
  2545. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2546. u32 line_speed)
  2547. {
  2548. struct bnx2x *bp = params->bp;
  2549. u8 port = params->port;
  2550. u32 init_crd, crd;
  2551. u32 count = 1000;
  2552. /* disable port */
  2553. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2554. /* wait for init credit */
  2555. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2556. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2557. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2558. while ((init_crd != crd) && count) {
  2559. msleep(5);
  2560. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2561. count--;
  2562. }
  2563. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2564. if (init_crd != crd) {
  2565. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2566. init_crd, crd);
  2567. return -EINVAL;
  2568. }
  2569. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2570. line_speed == SPEED_10 ||
  2571. line_speed == SPEED_100 ||
  2572. line_speed == SPEED_1000 ||
  2573. line_speed == SPEED_2500) {
  2574. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2575. /* update threshold */
  2576. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2577. /* update init credit */
  2578. init_crd = 778; /* (800-18-4) */
  2579. } else {
  2580. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2581. ETH_OVREHEAD)/16;
  2582. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2583. /* update threshold */
  2584. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2585. /* update init credit */
  2586. switch (line_speed) {
  2587. case SPEED_10000:
  2588. init_crd = thresh + 553 - 22;
  2589. break;
  2590. default:
  2591. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2592. line_speed);
  2593. return -EINVAL;
  2594. }
  2595. }
  2596. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2597. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2598. line_speed, init_crd);
  2599. /* probe the credit changes */
  2600. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2601. msleep(5);
  2602. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2603. /* enable port */
  2604. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2605. return 0;
  2606. }
  2607. /**
  2608. * bnx2x_get_emac_base - retrive emac base address
  2609. *
  2610. * @bp: driver handle
  2611. * @mdc_mdio_access: access type
  2612. * @port: port id
  2613. *
  2614. * This function selects the MDC/MDIO access (through emac0 or
  2615. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2616. * phy has a default access mode, which could also be overridden
  2617. * by nvram configuration. This parameter, whether this is the
  2618. * default phy configuration, or the nvram overrun
  2619. * configuration, is passed here as mdc_mdio_access and selects
  2620. * the emac_base for the CL45 read/writes operations
  2621. */
  2622. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2623. u32 mdc_mdio_access, u8 port)
  2624. {
  2625. u32 emac_base = 0;
  2626. switch (mdc_mdio_access) {
  2627. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2628. break;
  2629. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2630. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2631. emac_base = GRCBASE_EMAC1;
  2632. else
  2633. emac_base = GRCBASE_EMAC0;
  2634. break;
  2635. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2636. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2637. emac_base = GRCBASE_EMAC0;
  2638. else
  2639. emac_base = GRCBASE_EMAC1;
  2640. break;
  2641. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2642. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2643. break;
  2644. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2645. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2646. break;
  2647. default:
  2648. break;
  2649. }
  2650. return emac_base;
  2651. }
  2652. /******************************************************************/
  2653. /* CL22 access functions */
  2654. /******************************************************************/
  2655. static int bnx2x_cl22_write(struct bnx2x *bp,
  2656. struct bnx2x_phy *phy,
  2657. u16 reg, u16 val)
  2658. {
  2659. u32 tmp, mode;
  2660. u8 i;
  2661. int rc = 0;
  2662. /* Switch to CL22 */
  2663. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2664. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2665. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2666. /* address */
  2667. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2668. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2669. EMAC_MDIO_COMM_START_BUSY);
  2670. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2671. for (i = 0; i < 50; i++) {
  2672. udelay(10);
  2673. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2674. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2675. udelay(5);
  2676. break;
  2677. }
  2678. }
  2679. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2680. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2681. rc = -EFAULT;
  2682. }
  2683. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2684. return rc;
  2685. }
  2686. static int bnx2x_cl22_read(struct bnx2x *bp,
  2687. struct bnx2x_phy *phy,
  2688. u16 reg, u16 *ret_val)
  2689. {
  2690. u32 val, mode;
  2691. u16 i;
  2692. int rc = 0;
  2693. /* Switch to CL22 */
  2694. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2695. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2696. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2697. /* address */
  2698. val = ((phy->addr << 21) | (reg << 16) |
  2699. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2700. EMAC_MDIO_COMM_START_BUSY);
  2701. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2702. for (i = 0; i < 50; i++) {
  2703. udelay(10);
  2704. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2705. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2706. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2707. udelay(5);
  2708. break;
  2709. }
  2710. }
  2711. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2712. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2713. *ret_val = 0;
  2714. rc = -EFAULT;
  2715. }
  2716. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2717. return rc;
  2718. }
  2719. /******************************************************************/
  2720. /* CL45 access functions */
  2721. /******************************************************************/
  2722. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2723. u8 devad, u16 reg, u16 *ret_val)
  2724. {
  2725. u32 val;
  2726. u16 i;
  2727. int rc = 0;
  2728. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2729. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2730. EMAC_MDIO_STATUS_10MB);
  2731. /* address */
  2732. val = ((phy->addr << 21) | (devad << 16) | reg |
  2733. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2734. EMAC_MDIO_COMM_START_BUSY);
  2735. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2736. for (i = 0; i < 50; i++) {
  2737. udelay(10);
  2738. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2739. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2740. udelay(5);
  2741. break;
  2742. }
  2743. }
  2744. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2745. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2746. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2747. *ret_val = 0;
  2748. rc = -EFAULT;
  2749. } else {
  2750. /* data */
  2751. val = ((phy->addr << 21) | (devad << 16) |
  2752. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2753. EMAC_MDIO_COMM_START_BUSY);
  2754. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2755. for (i = 0; i < 50; i++) {
  2756. udelay(10);
  2757. val = REG_RD(bp, phy->mdio_ctrl +
  2758. EMAC_REG_EMAC_MDIO_COMM);
  2759. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2760. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2761. break;
  2762. }
  2763. }
  2764. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2765. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2766. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2767. *ret_val = 0;
  2768. rc = -EFAULT;
  2769. }
  2770. }
  2771. /* Work around for E3 A0 */
  2772. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2773. phy->flags ^= FLAGS_DUMMY_READ;
  2774. if (phy->flags & FLAGS_DUMMY_READ) {
  2775. u16 temp_val;
  2776. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2777. }
  2778. }
  2779. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2780. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2781. EMAC_MDIO_STATUS_10MB);
  2782. return rc;
  2783. }
  2784. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2785. u8 devad, u16 reg, u16 val)
  2786. {
  2787. u32 tmp;
  2788. u8 i;
  2789. int rc = 0;
  2790. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2791. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2792. EMAC_MDIO_STATUS_10MB);
  2793. /* address */
  2794. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2795. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2796. EMAC_MDIO_COMM_START_BUSY);
  2797. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2798. for (i = 0; i < 50; i++) {
  2799. udelay(10);
  2800. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2801. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2802. udelay(5);
  2803. break;
  2804. }
  2805. }
  2806. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2807. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2808. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2809. rc = -EFAULT;
  2810. } else {
  2811. /* data */
  2812. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2813. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2814. EMAC_MDIO_COMM_START_BUSY);
  2815. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2816. for (i = 0; i < 50; i++) {
  2817. udelay(10);
  2818. tmp = REG_RD(bp, phy->mdio_ctrl +
  2819. EMAC_REG_EMAC_MDIO_COMM);
  2820. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2821. udelay(5);
  2822. break;
  2823. }
  2824. }
  2825. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2826. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2827. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2828. rc = -EFAULT;
  2829. }
  2830. }
  2831. /* Work around for E3 A0 */
  2832. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2833. phy->flags ^= FLAGS_DUMMY_READ;
  2834. if (phy->flags & FLAGS_DUMMY_READ) {
  2835. u16 temp_val;
  2836. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2837. }
  2838. }
  2839. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2840. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2841. EMAC_MDIO_STATUS_10MB);
  2842. return rc;
  2843. }
  2844. /******************************************************************/
  2845. /* BSC access functions from E3 */
  2846. /******************************************************************/
  2847. static void bnx2x_bsc_module_sel(struct link_params *params)
  2848. {
  2849. int idx;
  2850. u32 board_cfg, sfp_ctrl;
  2851. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2852. struct bnx2x *bp = params->bp;
  2853. u8 port = params->port;
  2854. /* Read I2C output PINs */
  2855. board_cfg = REG_RD(bp, params->shmem_base +
  2856. offsetof(struct shmem_region,
  2857. dev_info.shared_hw_config.board));
  2858. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2859. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2860. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2861. /* Read I2C output value */
  2862. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2863. offsetof(struct shmem_region,
  2864. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2865. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2866. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2867. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2868. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2869. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2870. }
  2871. static int bnx2x_bsc_read(struct link_params *params,
  2872. struct bnx2x_phy *phy,
  2873. u8 sl_devid,
  2874. u16 sl_addr,
  2875. u8 lc_addr,
  2876. u8 xfer_cnt,
  2877. u32 *data_array)
  2878. {
  2879. u32 val, i;
  2880. int rc = 0;
  2881. struct bnx2x *bp = params->bp;
  2882. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2883. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2884. return -EINVAL;
  2885. }
  2886. if (xfer_cnt > 16) {
  2887. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2888. xfer_cnt);
  2889. return -EINVAL;
  2890. }
  2891. bnx2x_bsc_module_sel(params);
  2892. xfer_cnt = 16 - lc_addr;
  2893. /* enable the engine */
  2894. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2895. val |= MCPR_IMC_COMMAND_ENABLE;
  2896. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2897. /* program slave device ID */
  2898. val = (sl_devid << 16) | sl_addr;
  2899. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2900. /* start xfer with 0 byte to update the address pointer ???*/
  2901. val = (MCPR_IMC_COMMAND_ENABLE) |
  2902. (MCPR_IMC_COMMAND_WRITE_OP <<
  2903. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2904. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2905. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2906. /* poll for completion */
  2907. i = 0;
  2908. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2909. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2910. udelay(10);
  2911. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2912. if (i++ > 1000) {
  2913. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2914. i);
  2915. rc = -EFAULT;
  2916. break;
  2917. }
  2918. }
  2919. if (rc == -EFAULT)
  2920. return rc;
  2921. /* start xfer with read op */
  2922. val = (MCPR_IMC_COMMAND_ENABLE) |
  2923. (MCPR_IMC_COMMAND_READ_OP <<
  2924. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2925. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2926. (xfer_cnt);
  2927. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2928. /* poll for completion */
  2929. i = 0;
  2930. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2931. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2932. udelay(10);
  2933. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2934. if (i++ > 1000) {
  2935. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2936. rc = -EFAULT;
  2937. break;
  2938. }
  2939. }
  2940. if (rc == -EFAULT)
  2941. return rc;
  2942. for (i = (lc_addr >> 2); i < 4; i++) {
  2943. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2944. #ifdef __BIG_ENDIAN
  2945. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2946. ((data_array[i] & 0x0000ff00) << 8) |
  2947. ((data_array[i] & 0x00ff0000) >> 8) |
  2948. ((data_array[i] & 0xff000000) >> 24);
  2949. #endif
  2950. }
  2951. return rc;
  2952. }
  2953. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2954. u8 devad, u16 reg, u16 or_val)
  2955. {
  2956. u16 val;
  2957. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2958. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2959. }
  2960. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2961. u8 devad, u16 reg, u16 *ret_val)
  2962. {
  2963. u8 phy_index;
  2964. /* Probe for the phy according to the given phy_addr, and execute
  2965. * the read request on it
  2966. */
  2967. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2968. if (params->phy[phy_index].addr == phy_addr) {
  2969. return bnx2x_cl45_read(params->bp,
  2970. &params->phy[phy_index], devad,
  2971. reg, ret_val);
  2972. }
  2973. }
  2974. return -EINVAL;
  2975. }
  2976. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2977. u8 devad, u16 reg, u16 val)
  2978. {
  2979. u8 phy_index;
  2980. /* Probe for the phy according to the given phy_addr, and execute
  2981. * the write request on it
  2982. */
  2983. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2984. if (params->phy[phy_index].addr == phy_addr) {
  2985. return bnx2x_cl45_write(params->bp,
  2986. &params->phy[phy_index], devad,
  2987. reg, val);
  2988. }
  2989. }
  2990. return -EINVAL;
  2991. }
  2992. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2993. struct link_params *params)
  2994. {
  2995. u8 lane = 0;
  2996. struct bnx2x *bp = params->bp;
  2997. u32 path_swap, path_swap_ovr;
  2998. u8 path, port;
  2999. path = BP_PATH(bp);
  3000. port = params->port;
  3001. if (bnx2x_is_4_port_mode(bp)) {
  3002. u32 port_swap, port_swap_ovr;
  3003. /* Figure out path swap value */
  3004. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  3005. if (path_swap_ovr & 0x1)
  3006. path_swap = (path_swap_ovr & 0x2);
  3007. else
  3008. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  3009. if (path_swap)
  3010. path = path ^ 1;
  3011. /* Figure out port swap value */
  3012. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  3013. if (port_swap_ovr & 0x1)
  3014. port_swap = (port_swap_ovr & 0x2);
  3015. else
  3016. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  3017. if (port_swap)
  3018. port = port ^ 1;
  3019. lane = (port<<1) + path;
  3020. } else { /* two port mode - no port swap */
  3021. /* Figure out path swap value */
  3022. path_swap_ovr =
  3023. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  3024. if (path_swap_ovr & 0x1) {
  3025. path_swap = (path_swap_ovr & 0x2);
  3026. } else {
  3027. path_swap =
  3028. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3029. }
  3030. if (path_swap)
  3031. path = path ^ 1;
  3032. lane = path << 1 ;
  3033. }
  3034. return lane;
  3035. }
  3036. static void bnx2x_set_aer_mmd(struct link_params *params,
  3037. struct bnx2x_phy *phy)
  3038. {
  3039. u32 ser_lane;
  3040. u16 offset, aer_val;
  3041. struct bnx2x *bp = params->bp;
  3042. ser_lane = ((params->lane_config &
  3043. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3044. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3045. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3046. (phy->addr + ser_lane) : 0;
  3047. if (USES_WARPCORE(bp)) {
  3048. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3049. /* In Dual-lane mode, two lanes are joined together,
  3050. * so in order to configure them, the AER broadcast method is
  3051. * used here.
  3052. * 0x200 is the broadcast address for lanes 0,1
  3053. * 0x201 is the broadcast address for lanes 2,3
  3054. */
  3055. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3056. aer_val = (aer_val >> 1) | 0x200;
  3057. } else if (CHIP_IS_E2(bp))
  3058. aer_val = 0x3800 + offset - 1;
  3059. else
  3060. aer_val = 0x3800 + offset;
  3061. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3062. MDIO_AER_BLOCK_AER_REG, aer_val);
  3063. }
  3064. /******************************************************************/
  3065. /* Internal phy section */
  3066. /******************************************************************/
  3067. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3068. {
  3069. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3070. /* Set Clause 22 */
  3071. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3072. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3073. udelay(500);
  3074. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3075. udelay(500);
  3076. /* Set Clause 45 */
  3077. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3078. }
  3079. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3080. {
  3081. u32 val;
  3082. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3083. val = SERDES_RESET_BITS << (port*16);
  3084. /* reset and unreset the SerDes/XGXS */
  3085. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3086. udelay(500);
  3087. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3088. bnx2x_set_serdes_access(bp, port);
  3089. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3090. DEFAULT_PHY_DEV_ADDR);
  3091. }
  3092. static void bnx2x_xgxs_deassert(struct link_params *params)
  3093. {
  3094. struct bnx2x *bp = params->bp;
  3095. u8 port;
  3096. u32 val;
  3097. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3098. port = params->port;
  3099. val = XGXS_RESET_BITS << (port*16);
  3100. /* reset and unreset the SerDes/XGXS */
  3101. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3102. udelay(500);
  3103. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3104. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3105. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3106. params->phy[INT_PHY].def_md_devad);
  3107. }
  3108. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3109. struct link_params *params, u16 *ieee_fc)
  3110. {
  3111. struct bnx2x *bp = params->bp;
  3112. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3113. /* Resolve pause mode and advertisement Please refer to Table
  3114. * 28B-3 of the 802.3ab-1999 spec
  3115. */
  3116. switch (phy->req_flow_ctrl) {
  3117. case BNX2X_FLOW_CTRL_AUTO:
  3118. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3119. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3120. else
  3121. *ieee_fc |=
  3122. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3123. break;
  3124. case BNX2X_FLOW_CTRL_TX:
  3125. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3126. break;
  3127. case BNX2X_FLOW_CTRL_RX:
  3128. case BNX2X_FLOW_CTRL_BOTH:
  3129. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3130. break;
  3131. case BNX2X_FLOW_CTRL_NONE:
  3132. default:
  3133. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3134. break;
  3135. }
  3136. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3137. }
  3138. static void set_phy_vars(struct link_params *params,
  3139. struct link_vars *vars)
  3140. {
  3141. struct bnx2x *bp = params->bp;
  3142. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3143. u8 phy_config_swapped = params->multi_phy_config &
  3144. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3145. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3146. phy_index++) {
  3147. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3148. actual_phy_idx = phy_index;
  3149. if (phy_config_swapped) {
  3150. if (phy_index == EXT_PHY1)
  3151. actual_phy_idx = EXT_PHY2;
  3152. else if (phy_index == EXT_PHY2)
  3153. actual_phy_idx = EXT_PHY1;
  3154. }
  3155. params->phy[actual_phy_idx].req_flow_ctrl =
  3156. params->req_flow_ctrl[link_cfg_idx];
  3157. params->phy[actual_phy_idx].req_line_speed =
  3158. params->req_line_speed[link_cfg_idx];
  3159. params->phy[actual_phy_idx].speed_cap_mask =
  3160. params->speed_cap_mask[link_cfg_idx];
  3161. params->phy[actual_phy_idx].req_duplex =
  3162. params->req_duplex[link_cfg_idx];
  3163. if (params->req_line_speed[link_cfg_idx] ==
  3164. SPEED_AUTO_NEG)
  3165. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3166. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3167. " speed_cap_mask %x\n",
  3168. params->phy[actual_phy_idx].req_flow_ctrl,
  3169. params->phy[actual_phy_idx].req_line_speed,
  3170. params->phy[actual_phy_idx].speed_cap_mask);
  3171. }
  3172. }
  3173. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3174. struct bnx2x_phy *phy,
  3175. struct link_vars *vars)
  3176. {
  3177. u16 val;
  3178. struct bnx2x *bp = params->bp;
  3179. /* read modify write pause advertizing */
  3180. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3181. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3182. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3183. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3184. if ((vars->ieee_fc &
  3185. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3186. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3187. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3188. }
  3189. if ((vars->ieee_fc &
  3190. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3191. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3192. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3193. }
  3194. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3195. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3196. }
  3197. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3198. { /* LD LP */
  3199. switch (pause_result) { /* ASYM P ASYM P */
  3200. case 0xb: /* 1 0 1 1 */
  3201. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3202. break;
  3203. case 0xe: /* 1 1 1 0 */
  3204. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3205. break;
  3206. case 0x5: /* 0 1 0 1 */
  3207. case 0x7: /* 0 1 1 1 */
  3208. case 0xd: /* 1 1 0 1 */
  3209. case 0xf: /* 1 1 1 1 */
  3210. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3211. break;
  3212. default:
  3213. break;
  3214. }
  3215. if (pause_result & (1<<0))
  3216. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3217. if (pause_result & (1<<1))
  3218. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3219. }
  3220. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3221. struct link_params *params,
  3222. struct link_vars *vars)
  3223. {
  3224. u16 ld_pause; /* local */
  3225. u16 lp_pause; /* link partner */
  3226. u16 pause_result;
  3227. struct bnx2x *bp = params->bp;
  3228. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3229. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3230. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3231. } else if (CHIP_IS_E3(bp) &&
  3232. SINGLE_MEDIA_DIRECT(params)) {
  3233. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3234. u16 gp_status, gp_mask;
  3235. bnx2x_cl45_read(bp, phy,
  3236. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3237. &gp_status);
  3238. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3239. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3240. lane;
  3241. if ((gp_status & gp_mask) == gp_mask) {
  3242. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3243. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3244. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3245. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3246. } else {
  3247. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3248. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3249. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3250. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3251. ld_pause = ((ld_pause &
  3252. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3253. << 3);
  3254. lp_pause = ((lp_pause &
  3255. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3256. << 3);
  3257. }
  3258. } else {
  3259. bnx2x_cl45_read(bp, phy,
  3260. MDIO_AN_DEVAD,
  3261. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3262. bnx2x_cl45_read(bp, phy,
  3263. MDIO_AN_DEVAD,
  3264. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3265. }
  3266. pause_result = (ld_pause &
  3267. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3268. pause_result |= (lp_pause &
  3269. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3270. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3271. bnx2x_pause_resolve(vars, pause_result);
  3272. }
  3273. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3274. struct link_params *params,
  3275. struct link_vars *vars)
  3276. {
  3277. u8 ret = 0;
  3278. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3279. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3280. /* Update the advertised flow-controled of LD/LP in AN */
  3281. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3282. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3283. /* But set the flow-control result as the requested one */
  3284. vars->flow_ctrl = phy->req_flow_ctrl;
  3285. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3286. vars->flow_ctrl = params->req_fc_auto_adv;
  3287. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3288. ret = 1;
  3289. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3290. }
  3291. return ret;
  3292. }
  3293. /******************************************************************/
  3294. /* Warpcore section */
  3295. /******************************************************************/
  3296. /* The init_internal_warpcore should mirror the xgxs,
  3297. * i.e. reset the lane (if needed), set aer for the
  3298. * init configuration, and set/clear SGMII flag. Internal
  3299. * phy init is done purely in phy_init stage.
  3300. */
  3301. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3302. struct link_params *params,
  3303. struct link_vars *vars) {
  3304. u16 val16 = 0, lane, bam37 = 0;
  3305. struct bnx2x *bp = params->bp;
  3306. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3307. /* Set to default registers that may be overriden by 10G force */
  3308. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3310. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3311. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3312. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3313. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
  3314. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3315. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
  3316. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3317. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
  3318. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3319. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
  3320. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3321. MDIO_WC_REG_RX66_CONTROL, 0x7415);
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
  3324. /* Disable Autoneg: re-enable it after adv is done. */
  3325. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3326. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3327. /* Check adding advertisement for 1G KX */
  3328. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3329. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3330. (vars->line_speed == SPEED_1000)) {
  3331. u16 sd_digital;
  3332. val16 |= (1<<5);
  3333. /* Enable CL37 1G Parallel Detect */
  3334. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3336. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3338. (sd_digital | 0x1));
  3339. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3340. }
  3341. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3342. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3343. (vars->line_speed == SPEED_10000)) {
  3344. /* Check adding advertisement for 10G KR */
  3345. val16 |= (1<<7);
  3346. /* Enable 10G Parallel Detect */
  3347. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3348. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3349. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3350. }
  3351. /* Set Transmit PMD settings */
  3352. lane = bnx2x_get_warpcore_lane(phy, params);
  3353. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3355. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3356. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3357. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3358. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3360. 0x03f0);
  3361. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3363. 0x03f0);
  3364. /* Advertised speeds */
  3365. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3366. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3367. /* Advertised and set FEC (Forward Error Correction) */
  3368. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3369. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3370. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3371. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3372. /* Enable CL37 BAM */
  3373. if (REG_RD(bp, params->shmem_base +
  3374. offsetof(struct shmem_region, dev_info.
  3375. port_hw_config[params->port].default_cfg)) &
  3376. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3377. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3381. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3382. }
  3383. /* Advertise pause */
  3384. bnx2x_ext_phy_set_pause(params, phy, vars);
  3385. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3386. */
  3387. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3389. if (val16 < 0xd108) {
  3390. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3391. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3392. }
  3393. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3397. /* Over 1G - AN local device user page 1 */
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3400. /* Enable Autoneg */
  3401. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3402. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3403. }
  3404. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3405. struct link_params *params,
  3406. struct link_vars *vars)
  3407. {
  3408. struct bnx2x *bp = params->bp;
  3409. u16 val;
  3410. /* Disable Autoneg */
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3413. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3414. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3415. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3417. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3418. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3419. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3420. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3423. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3424. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3425. /* Disable CL36 PCS Tx */
  3426. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3428. /* Double Wide Single Data Rate @ pll rate */
  3429. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3430. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3431. /* Leave cl72 training enable, needed for KR */
  3432. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3433. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3434. 0x2);
  3435. /* Leave CL72 enabled */
  3436. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3438. &val);
  3439. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3440. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3441. val | 0x3800);
  3442. /* Set speed via PMA/PMD register */
  3443. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3444. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3445. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3446. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3447. /* Enable encoded forced speed */
  3448. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3450. /* Turn TX scramble payload only the 64/66 scrambler */
  3451. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3452. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3453. /* Turn RX scramble payload only the 64/66 scrambler */
  3454. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3456. /* set and clear loopback to cause a reset to 64/66 decoder */
  3457. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3459. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3461. }
  3462. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3463. struct link_params *params,
  3464. u8 is_xfi)
  3465. {
  3466. struct bnx2x *bp = params->bp;
  3467. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3468. /* Hold rxSeqStart */
  3469. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3473. /* Hold tx_fifo_reset */
  3474. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3478. /* Disable CL73 AN */
  3479. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3480. /* Disable 100FX Enable and Auto-Detect */
  3481. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_FX100_CTRL1, &val);
  3483. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3484. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3485. /* Disable 100FX Idle detect */
  3486. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_FX100_CTRL3, &val);
  3488. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3489. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3490. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3495. /* Turn off auto-detect & fiber mode */
  3496. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3497. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3498. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3500. (val & 0xFFEE));
  3501. /* Set filter_force_link, disable_false_link and parallel_detect */
  3502. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3506. ((val | 0x0006) & 0xFFFE));
  3507. /* Set XFI / SFI */
  3508. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3510. misc1_val &= ~(0x1f);
  3511. if (is_xfi) {
  3512. misc1_val |= 0x5;
  3513. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3514. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3515. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3516. tx_driver_val =
  3517. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3518. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3519. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3520. } else {
  3521. misc1_val |= 0x9;
  3522. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3523. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3524. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3525. tx_driver_val =
  3526. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3527. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3528. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3529. }
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3532. /* Set Transmit PMD settings */
  3533. lane = bnx2x_get_warpcore_lane(phy, params);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_TX_FIR_TAP,
  3536. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3537. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3538. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3539. tx_driver_val);
  3540. /* Enable fiber mode, enable and invert sig_det */
  3541. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3543. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3545. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3546. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3550. /* Enable LPI pass through */
  3551. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3552. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_EEE_COMBO_CONTROL0,
  3554. 0x7c);
  3555. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3557. /* 10G XFI Full Duplex */
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3560. /* Release tx_fifo_reset */
  3561. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3565. /* Release rxSeqStart */
  3566. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3568. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3570. }
  3571. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3572. struct bnx2x_phy *phy)
  3573. {
  3574. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3575. }
  3576. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3577. struct bnx2x_phy *phy,
  3578. u16 lane)
  3579. {
  3580. /* Rx0 anaRxControl1G */
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3583. /* Rx2 anaRxControl1G */
  3584. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3585. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3586. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3587. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3588. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3589. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3590. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3591. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3592. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3593. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3594. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3595. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3596. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3598. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3600. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3602. /* Serdes Digital Misc1 */
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3605. /* Serdes Digital4 Misc3 */
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3608. /* Set Transmit PMD settings */
  3609. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_TX_FIR_TAP,
  3611. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3612. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3613. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3614. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3615. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3616. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3617. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3618. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3619. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3620. }
  3621. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3622. struct link_params *params,
  3623. u8 fiber_mode,
  3624. u8 always_autoneg)
  3625. {
  3626. struct bnx2x *bp = params->bp;
  3627. u16 val16, digctrl_kx1, digctrl_kx2;
  3628. /* Clear XFI clock comp in non-10G single lane mode. */
  3629. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3630. MDIO_WC_REG_RX66_CONTROL, &val16);
  3631. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3633. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3634. /* SGMII Autoneg */
  3635. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3637. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3639. val16 | 0x1000);
  3640. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3641. } else {
  3642. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3644. val16 &= 0xcebf;
  3645. switch (phy->req_line_speed) {
  3646. case SPEED_10:
  3647. break;
  3648. case SPEED_100:
  3649. val16 |= 0x2000;
  3650. break;
  3651. case SPEED_1000:
  3652. val16 |= 0x0040;
  3653. break;
  3654. default:
  3655. DP(NETIF_MSG_LINK,
  3656. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3657. return;
  3658. }
  3659. if (phy->req_duplex == DUPLEX_FULL)
  3660. val16 |= 0x0100;
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3663. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3664. phy->req_line_speed);
  3665. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3667. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3668. }
  3669. /* SGMII Slave mode and disable signal detect */
  3670. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3671. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3672. if (fiber_mode)
  3673. digctrl_kx1 = 1;
  3674. else
  3675. digctrl_kx1 &= 0xff4a;
  3676. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3677. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3678. digctrl_kx1);
  3679. /* Turn off parallel detect */
  3680. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3681. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3682. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3684. (digctrl_kx2 & ~(1<<2)));
  3685. /* Re-enable parallel detect */
  3686. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3687. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3688. (digctrl_kx2 | (1<<2)));
  3689. /* Enable autodet */
  3690. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3691. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3692. (digctrl_kx1 | 0x10));
  3693. }
  3694. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3695. struct bnx2x_phy *phy,
  3696. u8 reset)
  3697. {
  3698. u16 val;
  3699. /* Take lane out of reset after configuration is finished */
  3700. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3701. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3702. if (reset)
  3703. val |= 0xC000;
  3704. else
  3705. val &= 0x3FFF;
  3706. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3707. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3708. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3710. }
  3711. /* Clear SFI/XFI link settings registers */
  3712. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3713. struct link_params *params,
  3714. u16 lane)
  3715. {
  3716. struct bnx2x *bp = params->bp;
  3717. u16 val16;
  3718. /* Set XFI clock comp as default. */
  3719. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3720. MDIO_WC_REG_RX66_CONTROL, &val16);
  3721. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3722. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3723. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3724. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3725. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3726. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3727. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3728. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3729. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3730. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3731. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3732. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3733. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3734. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3735. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3736. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3737. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3738. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3739. lane = bnx2x_get_warpcore_lane(phy, params);
  3740. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3741. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3742. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3743. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3744. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3745. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3746. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3747. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3748. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3749. }
  3750. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3751. u32 chip_id,
  3752. u32 shmem_base, u8 port,
  3753. u8 *gpio_num, u8 *gpio_port)
  3754. {
  3755. u32 cfg_pin;
  3756. *gpio_num = 0;
  3757. *gpio_port = 0;
  3758. if (CHIP_IS_E3(bp)) {
  3759. cfg_pin = (REG_RD(bp, shmem_base +
  3760. offsetof(struct shmem_region,
  3761. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3762. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3763. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3764. /* Should not happen. This function called upon interrupt
  3765. * triggered by GPIO ( since EPIO can only generate interrupts
  3766. * to MCP).
  3767. * So if this function was called and none of the GPIOs was set,
  3768. * it means the shit hit the fan.
  3769. */
  3770. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3771. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3772. DP(NETIF_MSG_LINK,
  3773. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3774. cfg_pin);
  3775. return -EINVAL;
  3776. }
  3777. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3778. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3779. } else {
  3780. *gpio_num = MISC_REGISTERS_GPIO_3;
  3781. *gpio_port = port;
  3782. }
  3783. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3784. return 0;
  3785. }
  3786. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3787. struct link_params *params)
  3788. {
  3789. struct bnx2x *bp = params->bp;
  3790. u8 gpio_num, gpio_port;
  3791. u32 gpio_val;
  3792. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3793. params->shmem_base, params->port,
  3794. &gpio_num, &gpio_port) != 0)
  3795. return 0;
  3796. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3797. /* Call the handling function in case module is detected */
  3798. if (gpio_val == 0)
  3799. return 1;
  3800. else
  3801. return 0;
  3802. }
  3803. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3804. struct link_params *params)
  3805. {
  3806. u16 gp2_status_reg0, lane;
  3807. struct bnx2x *bp = params->bp;
  3808. lane = bnx2x_get_warpcore_lane(phy, params);
  3809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3810. &gp2_status_reg0);
  3811. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3812. }
  3813. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3814. struct link_params *params,
  3815. struct link_vars *vars)
  3816. {
  3817. struct bnx2x *bp = params->bp;
  3818. u32 serdes_net_if;
  3819. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3820. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3821. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3822. if (!vars->turn_to_run_wc_rt)
  3823. return;
  3824. /* return if there is no link partner */
  3825. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3826. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3827. return;
  3828. }
  3829. if (vars->rx_tx_asic_rst) {
  3830. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3831. offsetof(struct shmem_region, dev_info.
  3832. port_hw_config[params->port].default_cfg)) &
  3833. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3834. switch (serdes_net_if) {
  3835. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3836. /* Do we get link yet? */
  3837. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3838. &gp_status1);
  3839. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3840. /*10G KR*/
  3841. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3842. DP(NETIF_MSG_LINK,
  3843. "gp_status1 0x%x\n", gp_status1);
  3844. if (lnkup_kr || lnkup) {
  3845. vars->rx_tx_asic_rst = 0;
  3846. DP(NETIF_MSG_LINK,
  3847. "link up, rx_tx_asic_rst 0x%x\n",
  3848. vars->rx_tx_asic_rst);
  3849. } else {
  3850. /* Reset the lane to see if link comes up.*/
  3851. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3852. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3853. /* restart Autoneg */
  3854. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3855. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3856. vars->rx_tx_asic_rst--;
  3857. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3858. vars->rx_tx_asic_rst);
  3859. }
  3860. break;
  3861. default:
  3862. break;
  3863. }
  3864. } /*params->rx_tx_asic_rst*/
  3865. }
  3866. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3867. struct link_params *params,
  3868. struct link_vars *vars)
  3869. {
  3870. struct bnx2x *bp = params->bp;
  3871. u32 serdes_net_if;
  3872. u8 fiber_mode;
  3873. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3874. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3875. offsetof(struct shmem_region, dev_info.
  3876. port_hw_config[params->port].default_cfg)) &
  3877. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3878. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3879. "serdes_net_if = 0x%x\n",
  3880. vars->line_speed, serdes_net_if);
  3881. bnx2x_set_aer_mmd(params, phy);
  3882. vars->phy_flags |= PHY_XGXS_FLAG;
  3883. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3884. (phy->req_line_speed &&
  3885. ((phy->req_line_speed == SPEED_100) ||
  3886. (phy->req_line_speed == SPEED_10)))) {
  3887. vars->phy_flags |= PHY_SGMII_FLAG;
  3888. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3889. bnx2x_warpcore_clear_regs(phy, params, lane);
  3890. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3891. } else {
  3892. switch (serdes_net_if) {
  3893. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3894. /* Enable KR Auto Neg */
  3895. if (params->loopback_mode != LOOPBACK_EXT)
  3896. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3897. else {
  3898. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3899. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3900. }
  3901. break;
  3902. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3903. bnx2x_warpcore_clear_regs(phy, params, lane);
  3904. if (vars->line_speed == SPEED_10000) {
  3905. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3906. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3907. } else {
  3908. if (SINGLE_MEDIA_DIRECT(params)) {
  3909. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3910. fiber_mode = 1;
  3911. } else {
  3912. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3913. fiber_mode = 0;
  3914. }
  3915. bnx2x_warpcore_set_sgmii_speed(phy,
  3916. params,
  3917. fiber_mode,
  3918. 0);
  3919. }
  3920. break;
  3921. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3922. bnx2x_warpcore_clear_regs(phy, params, lane);
  3923. if (vars->line_speed == SPEED_10000) {
  3924. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3925. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3926. } else if (vars->line_speed == SPEED_1000) {
  3927. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3928. bnx2x_warpcore_set_sgmii_speed(
  3929. phy, params, 1, 0);
  3930. }
  3931. /* Issue Module detection */
  3932. if (bnx2x_is_sfp_module_plugged(phy, params))
  3933. bnx2x_sfp_module_detection(phy, params);
  3934. break;
  3935. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3936. if (vars->line_speed != SPEED_20000) {
  3937. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3938. return;
  3939. }
  3940. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3941. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3942. /* Issue Module detection */
  3943. bnx2x_sfp_module_detection(phy, params);
  3944. break;
  3945. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3946. if (vars->line_speed != SPEED_20000) {
  3947. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3948. return;
  3949. }
  3950. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3951. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3952. break;
  3953. default:
  3954. DP(NETIF_MSG_LINK,
  3955. "Unsupported Serdes Net Interface 0x%x\n",
  3956. serdes_net_if);
  3957. return;
  3958. }
  3959. }
  3960. /* Take lane out of reset after configuration is finished */
  3961. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3962. DP(NETIF_MSG_LINK, "Exit config init\n");
  3963. }
  3964. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3965. struct bnx2x_phy *phy,
  3966. u8 tx_en)
  3967. {
  3968. struct bnx2x *bp = params->bp;
  3969. u32 cfg_pin;
  3970. u8 port = params->port;
  3971. cfg_pin = REG_RD(bp, params->shmem_base +
  3972. offsetof(struct shmem_region,
  3973. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3974. PORT_HW_CFG_TX_LASER_MASK;
  3975. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3976. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3977. /* For 20G, the expected pin to be used is 3 pins after the current */
  3978. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3979. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3980. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3981. }
  3982. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3983. struct link_params *params)
  3984. {
  3985. struct bnx2x *bp = params->bp;
  3986. u16 val16;
  3987. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3988. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3989. bnx2x_set_aer_mmd(params, phy);
  3990. /* Global register */
  3991. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3992. /* Clear loopback settings (if any) */
  3993. /* 10G & 20G */
  3994. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3995. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3996. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3997. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3998. 0xBFFF);
  3999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4000. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  4001. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4002. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  4003. /* Update those 1-copy registers */
  4004. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4005. MDIO_AER_BLOCK_AER_REG, 0);
  4006. /* Enable 1G MDIO (1-copy) */
  4007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4009. &val16);
  4010. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4011. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4012. val16 & ~0x10);
  4013. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4014. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4015. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4016. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4017. val16 & 0xff00);
  4018. }
  4019. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4020. struct link_params *params)
  4021. {
  4022. struct bnx2x *bp = params->bp;
  4023. u16 val16;
  4024. u32 lane;
  4025. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4026. params->loopback_mode, phy->req_line_speed);
  4027. if (phy->req_line_speed < SPEED_10000) {
  4028. /* 10/100/1000 */
  4029. /* Update those 1-copy registers */
  4030. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4031. MDIO_AER_BLOCK_AER_REG, 0);
  4032. /* Enable 1G MDIO (1-copy) */
  4033. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4034. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4035. &val16);
  4036. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4037. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4038. val16 | 0x10);
  4039. /* Set 1G loopback based on lane (1-copy) */
  4040. lane = bnx2x_get_warpcore_lane(phy, params);
  4041. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4042. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4043. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4044. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4045. val16 | (1<<lane));
  4046. /* Switch back to 4-copy registers */
  4047. bnx2x_set_aer_mmd(params, phy);
  4048. } else {
  4049. /* 10G & 20G */
  4050. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4051. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  4052. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4053. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  4054. 0x4000);
  4055. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4056. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  4057. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4058. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  4059. }
  4060. }
  4061. void bnx2x_sync_link(struct link_params *params,
  4062. struct link_vars *vars)
  4063. {
  4064. struct bnx2x *bp = params->bp;
  4065. u8 link_10g_plus;
  4066. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4067. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4068. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4069. if (vars->link_up) {
  4070. DP(NETIF_MSG_LINK, "phy link up\n");
  4071. vars->phy_link_up = 1;
  4072. vars->duplex = DUPLEX_FULL;
  4073. switch (vars->link_status &
  4074. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4075. case LINK_10THD:
  4076. vars->duplex = DUPLEX_HALF;
  4077. /* Fall thru */
  4078. case LINK_10TFD:
  4079. vars->line_speed = SPEED_10;
  4080. break;
  4081. case LINK_100TXHD:
  4082. vars->duplex = DUPLEX_HALF;
  4083. /* Fall thru */
  4084. case LINK_100T4:
  4085. case LINK_100TXFD:
  4086. vars->line_speed = SPEED_100;
  4087. break;
  4088. case LINK_1000THD:
  4089. vars->duplex = DUPLEX_HALF;
  4090. /* Fall thru */
  4091. case LINK_1000TFD:
  4092. vars->line_speed = SPEED_1000;
  4093. break;
  4094. case LINK_2500THD:
  4095. vars->duplex = DUPLEX_HALF;
  4096. /* Fall thru */
  4097. case LINK_2500TFD:
  4098. vars->line_speed = SPEED_2500;
  4099. break;
  4100. case LINK_10GTFD:
  4101. vars->line_speed = SPEED_10000;
  4102. break;
  4103. case LINK_20GTFD:
  4104. vars->line_speed = SPEED_20000;
  4105. break;
  4106. default:
  4107. break;
  4108. }
  4109. vars->flow_ctrl = 0;
  4110. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4111. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4112. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4113. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4114. if (!vars->flow_ctrl)
  4115. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4116. if (vars->line_speed &&
  4117. ((vars->line_speed == SPEED_10) ||
  4118. (vars->line_speed == SPEED_100))) {
  4119. vars->phy_flags |= PHY_SGMII_FLAG;
  4120. } else {
  4121. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4122. }
  4123. if (vars->line_speed &&
  4124. USES_WARPCORE(bp) &&
  4125. (vars->line_speed == SPEED_1000))
  4126. vars->phy_flags |= PHY_SGMII_FLAG;
  4127. /* anything 10 and over uses the bmac */
  4128. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4129. if (link_10g_plus) {
  4130. if (USES_WARPCORE(bp))
  4131. vars->mac_type = MAC_TYPE_XMAC;
  4132. else
  4133. vars->mac_type = MAC_TYPE_BMAC;
  4134. } else {
  4135. if (USES_WARPCORE(bp))
  4136. vars->mac_type = MAC_TYPE_UMAC;
  4137. else
  4138. vars->mac_type = MAC_TYPE_EMAC;
  4139. }
  4140. } else { /* link down */
  4141. DP(NETIF_MSG_LINK, "phy link down\n");
  4142. vars->phy_link_up = 0;
  4143. vars->line_speed = 0;
  4144. vars->duplex = DUPLEX_FULL;
  4145. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4146. /* indicate no mac active */
  4147. vars->mac_type = MAC_TYPE_NONE;
  4148. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4149. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4150. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4151. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4152. }
  4153. }
  4154. void bnx2x_link_status_update(struct link_params *params,
  4155. struct link_vars *vars)
  4156. {
  4157. struct bnx2x *bp = params->bp;
  4158. u8 port = params->port;
  4159. u32 sync_offset, media_types;
  4160. /* Update PHY configuration */
  4161. set_phy_vars(params, vars);
  4162. vars->link_status = REG_RD(bp, params->shmem_base +
  4163. offsetof(struct shmem_region,
  4164. port_mb[port].link_status));
  4165. vars->phy_flags = PHY_XGXS_FLAG;
  4166. bnx2x_sync_link(params, vars);
  4167. /* Sync media type */
  4168. sync_offset = params->shmem_base +
  4169. offsetof(struct shmem_region,
  4170. dev_info.port_hw_config[port].media_type);
  4171. media_types = REG_RD(bp, sync_offset);
  4172. params->phy[INT_PHY].media_type =
  4173. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4174. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4175. params->phy[EXT_PHY1].media_type =
  4176. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4177. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4178. params->phy[EXT_PHY2].media_type =
  4179. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4180. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4181. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4182. /* Sync AEU offset */
  4183. sync_offset = params->shmem_base +
  4184. offsetof(struct shmem_region,
  4185. dev_info.port_hw_config[port].aeu_int_mask);
  4186. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4187. /* Sync PFC status */
  4188. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4189. params->feature_config_flags |=
  4190. FEATURE_CONFIG_PFC_ENABLED;
  4191. else
  4192. params->feature_config_flags &=
  4193. ~FEATURE_CONFIG_PFC_ENABLED;
  4194. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4195. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4196. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4197. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4198. }
  4199. static void bnx2x_set_master_ln(struct link_params *params,
  4200. struct bnx2x_phy *phy)
  4201. {
  4202. struct bnx2x *bp = params->bp;
  4203. u16 new_master_ln, ser_lane;
  4204. ser_lane = ((params->lane_config &
  4205. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4206. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4207. /* set the master_ln for AN */
  4208. CL22_RD_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_XGXS_BLOCK2,
  4210. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4211. &new_master_ln);
  4212. CL22_WR_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4214. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4215. (new_master_ln | ser_lane));
  4216. }
  4217. static int bnx2x_reset_unicore(struct link_params *params,
  4218. struct bnx2x_phy *phy,
  4219. u8 set_serdes)
  4220. {
  4221. struct bnx2x *bp = params->bp;
  4222. u16 mii_control;
  4223. u16 i;
  4224. CL22_RD_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_COMBO_IEEE0,
  4226. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4227. /* reset the unicore */
  4228. CL22_WR_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_COMBO_IEEE0,
  4230. MDIO_COMBO_IEEE0_MII_CONTROL,
  4231. (mii_control |
  4232. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4233. if (set_serdes)
  4234. bnx2x_set_serdes_access(bp, params->port);
  4235. /* wait for the reset to self clear */
  4236. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4237. udelay(5);
  4238. /* the reset erased the previous bank value */
  4239. CL22_RD_OVER_CL45(bp, phy,
  4240. MDIO_REG_BANK_COMBO_IEEE0,
  4241. MDIO_COMBO_IEEE0_MII_CONTROL,
  4242. &mii_control);
  4243. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4244. udelay(5);
  4245. return 0;
  4246. }
  4247. }
  4248. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4249. " Port %d\n",
  4250. params->port);
  4251. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4252. return -EINVAL;
  4253. }
  4254. static void bnx2x_set_swap_lanes(struct link_params *params,
  4255. struct bnx2x_phy *phy)
  4256. {
  4257. struct bnx2x *bp = params->bp;
  4258. /* Each two bits represents a lane number:
  4259. * No swap is 0123 => 0x1b no need to enable the swap
  4260. */
  4261. u16 rx_lane_swap, tx_lane_swap;
  4262. rx_lane_swap = ((params->lane_config &
  4263. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4264. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4265. tx_lane_swap = ((params->lane_config &
  4266. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4267. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4268. if (rx_lane_swap != 0x1b) {
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_XGXS_BLOCK2,
  4271. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4272. (rx_lane_swap |
  4273. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4274. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4275. } else {
  4276. CL22_WR_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_XGXS_BLOCK2,
  4278. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4279. }
  4280. if (tx_lane_swap != 0x1b) {
  4281. CL22_WR_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_XGXS_BLOCK2,
  4283. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4284. (tx_lane_swap |
  4285. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4286. } else {
  4287. CL22_WR_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_XGXS_BLOCK2,
  4289. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4290. }
  4291. }
  4292. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4293. struct link_params *params)
  4294. {
  4295. struct bnx2x *bp = params->bp;
  4296. u16 control2;
  4297. CL22_RD_OVER_CL45(bp, phy,
  4298. MDIO_REG_BANK_SERDES_DIGITAL,
  4299. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4300. &control2);
  4301. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4302. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4303. else
  4304. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4305. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4306. phy->speed_cap_mask, control2);
  4307. CL22_WR_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_SERDES_DIGITAL,
  4309. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4310. control2);
  4311. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4312. (phy->speed_cap_mask &
  4313. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4314. DP(NETIF_MSG_LINK, "XGXS\n");
  4315. CL22_WR_OVER_CL45(bp, phy,
  4316. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4317. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4318. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4319. CL22_RD_OVER_CL45(bp, phy,
  4320. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4321. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4322. &control2);
  4323. control2 |=
  4324. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4325. CL22_WR_OVER_CL45(bp, phy,
  4326. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4327. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4328. control2);
  4329. /* Disable parallel detection of HiG */
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_XGXS_BLOCK2,
  4332. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4333. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4334. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4335. }
  4336. }
  4337. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4338. struct link_params *params,
  4339. struct link_vars *vars,
  4340. u8 enable_cl73)
  4341. {
  4342. struct bnx2x *bp = params->bp;
  4343. u16 reg_val;
  4344. /* CL37 Autoneg */
  4345. CL22_RD_OVER_CL45(bp, phy,
  4346. MDIO_REG_BANK_COMBO_IEEE0,
  4347. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4348. /* CL37 Autoneg Enabled */
  4349. if (vars->line_speed == SPEED_AUTO_NEG)
  4350. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4351. else /* CL37 Autoneg Disabled */
  4352. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4353. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4354. CL22_WR_OVER_CL45(bp, phy,
  4355. MDIO_REG_BANK_COMBO_IEEE0,
  4356. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4357. /* Enable/Disable Autodetection */
  4358. CL22_RD_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_SERDES_DIGITAL,
  4360. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4361. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4362. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4363. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4364. if (vars->line_speed == SPEED_AUTO_NEG)
  4365. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4366. else
  4367. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4368. CL22_WR_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_SERDES_DIGITAL,
  4370. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4371. /* Enable TetonII and BAM autoneg */
  4372. CL22_RD_OVER_CL45(bp, phy,
  4373. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4374. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4375. &reg_val);
  4376. if (vars->line_speed == SPEED_AUTO_NEG) {
  4377. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4378. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4379. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4380. } else {
  4381. /* TetonII and BAM Autoneg Disabled */
  4382. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4383. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4384. }
  4385. CL22_WR_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4387. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4388. reg_val);
  4389. if (enable_cl73) {
  4390. /* Enable Cl73 FSM status bits */
  4391. CL22_WR_OVER_CL45(bp, phy,
  4392. MDIO_REG_BANK_CL73_USERB0,
  4393. MDIO_CL73_USERB0_CL73_UCTRL,
  4394. 0xe);
  4395. /* Enable BAM Station Manager*/
  4396. CL22_WR_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_CL73_USERB0,
  4398. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4399. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4400. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4401. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4402. /* Advertise CL73 link speeds */
  4403. CL22_RD_OVER_CL45(bp, phy,
  4404. MDIO_REG_BANK_CL73_IEEEB1,
  4405. MDIO_CL73_IEEEB1_AN_ADV2,
  4406. &reg_val);
  4407. if (phy->speed_cap_mask &
  4408. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4409. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4410. if (phy->speed_cap_mask &
  4411. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4412. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4413. CL22_WR_OVER_CL45(bp, phy,
  4414. MDIO_REG_BANK_CL73_IEEEB1,
  4415. MDIO_CL73_IEEEB1_AN_ADV2,
  4416. reg_val);
  4417. /* CL73 Autoneg Enabled */
  4418. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4419. } else /* CL73 Autoneg Disabled */
  4420. reg_val = 0;
  4421. CL22_WR_OVER_CL45(bp, phy,
  4422. MDIO_REG_BANK_CL73_IEEEB0,
  4423. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4424. }
  4425. /* program SerDes, forced speed */
  4426. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4427. struct link_params *params,
  4428. struct link_vars *vars)
  4429. {
  4430. struct bnx2x *bp = params->bp;
  4431. u16 reg_val;
  4432. /* program duplex, disable autoneg and sgmii*/
  4433. CL22_RD_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_COMBO_IEEE0,
  4435. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4436. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4437. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4438. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4439. if (phy->req_duplex == DUPLEX_FULL)
  4440. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4441. CL22_WR_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_COMBO_IEEE0,
  4443. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4444. /* Program speed
  4445. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4446. */
  4447. CL22_RD_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_SERDES_DIGITAL,
  4449. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4450. /* clearing the speed value before setting the right speed */
  4451. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4452. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4453. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4454. if (!((vars->line_speed == SPEED_1000) ||
  4455. (vars->line_speed == SPEED_100) ||
  4456. (vars->line_speed == SPEED_10))) {
  4457. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4458. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4459. if (vars->line_speed == SPEED_10000)
  4460. reg_val |=
  4461. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4462. }
  4463. CL22_WR_OVER_CL45(bp, phy,
  4464. MDIO_REG_BANK_SERDES_DIGITAL,
  4465. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4466. }
  4467. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4468. struct link_params *params)
  4469. {
  4470. struct bnx2x *bp = params->bp;
  4471. u16 val = 0;
  4472. /* set extended capabilities */
  4473. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4474. val |= MDIO_OVER_1G_UP1_2_5G;
  4475. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4476. val |= MDIO_OVER_1G_UP1_10G;
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_OVER_1G,
  4479. MDIO_OVER_1G_UP1, val);
  4480. CL22_WR_OVER_CL45(bp, phy,
  4481. MDIO_REG_BANK_OVER_1G,
  4482. MDIO_OVER_1G_UP3, 0x400);
  4483. }
  4484. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4485. struct link_params *params,
  4486. u16 ieee_fc)
  4487. {
  4488. struct bnx2x *bp = params->bp;
  4489. u16 val;
  4490. /* for AN, we are always publishing full duplex */
  4491. CL22_WR_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4494. CL22_RD_OVER_CL45(bp, phy,
  4495. MDIO_REG_BANK_CL73_IEEEB1,
  4496. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4497. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4498. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_CL73_IEEEB1,
  4501. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4502. }
  4503. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4504. struct link_params *params,
  4505. u8 enable_cl73)
  4506. {
  4507. struct bnx2x *bp = params->bp;
  4508. u16 mii_control;
  4509. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4510. /* Enable and restart BAM/CL37 aneg */
  4511. if (enable_cl73) {
  4512. CL22_RD_OVER_CL45(bp, phy,
  4513. MDIO_REG_BANK_CL73_IEEEB0,
  4514. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4515. &mii_control);
  4516. CL22_WR_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_CL73_IEEEB0,
  4518. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4519. (mii_control |
  4520. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4521. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4522. } else {
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_COMBO_IEEE0,
  4525. MDIO_COMBO_IEEE0_MII_CONTROL,
  4526. &mii_control);
  4527. DP(NETIF_MSG_LINK,
  4528. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4529. mii_control);
  4530. CL22_WR_OVER_CL45(bp, phy,
  4531. MDIO_REG_BANK_COMBO_IEEE0,
  4532. MDIO_COMBO_IEEE0_MII_CONTROL,
  4533. (mii_control |
  4534. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4535. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4536. }
  4537. }
  4538. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4539. struct link_params *params,
  4540. struct link_vars *vars)
  4541. {
  4542. struct bnx2x *bp = params->bp;
  4543. u16 control1;
  4544. /* in SGMII mode, the unicore is always slave */
  4545. CL22_RD_OVER_CL45(bp, phy,
  4546. MDIO_REG_BANK_SERDES_DIGITAL,
  4547. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4548. &control1);
  4549. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4550. /* set sgmii mode (and not fiber) */
  4551. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4552. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4553. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4554. CL22_WR_OVER_CL45(bp, phy,
  4555. MDIO_REG_BANK_SERDES_DIGITAL,
  4556. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4557. control1);
  4558. /* if forced speed */
  4559. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4560. /* set speed, disable autoneg */
  4561. u16 mii_control;
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_COMBO_IEEE0,
  4564. MDIO_COMBO_IEEE0_MII_CONTROL,
  4565. &mii_control);
  4566. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4567. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4568. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4569. switch (vars->line_speed) {
  4570. case SPEED_100:
  4571. mii_control |=
  4572. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4573. break;
  4574. case SPEED_1000:
  4575. mii_control |=
  4576. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4577. break;
  4578. case SPEED_10:
  4579. /* there is nothing to set for 10M */
  4580. break;
  4581. default:
  4582. /* invalid speed for SGMII */
  4583. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4584. vars->line_speed);
  4585. break;
  4586. }
  4587. /* setting the full duplex */
  4588. if (phy->req_duplex == DUPLEX_FULL)
  4589. mii_control |=
  4590. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4591. CL22_WR_OVER_CL45(bp, phy,
  4592. MDIO_REG_BANK_COMBO_IEEE0,
  4593. MDIO_COMBO_IEEE0_MII_CONTROL,
  4594. mii_control);
  4595. } else { /* AN mode */
  4596. /* enable and restart AN */
  4597. bnx2x_restart_autoneg(phy, params, 0);
  4598. }
  4599. }
  4600. /* Link management
  4601. */
  4602. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4603. struct link_params *params)
  4604. {
  4605. struct bnx2x *bp = params->bp;
  4606. u16 pd_10g, status2_1000x;
  4607. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4608. return 0;
  4609. CL22_RD_OVER_CL45(bp, phy,
  4610. MDIO_REG_BANK_SERDES_DIGITAL,
  4611. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4612. &status2_1000x);
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_SERDES_DIGITAL,
  4615. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4616. &status2_1000x);
  4617. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4618. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4619. params->port);
  4620. return 1;
  4621. }
  4622. CL22_RD_OVER_CL45(bp, phy,
  4623. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4624. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4625. &pd_10g);
  4626. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4627. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4628. params->port);
  4629. return 1;
  4630. }
  4631. return 0;
  4632. }
  4633. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4634. struct link_params *params,
  4635. struct link_vars *vars,
  4636. u32 gp_status)
  4637. {
  4638. u16 ld_pause; /* local driver */
  4639. u16 lp_pause; /* link partner */
  4640. u16 pause_result;
  4641. struct bnx2x *bp = params->bp;
  4642. if ((gp_status &
  4643. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4644. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4645. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4646. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4647. CL22_RD_OVER_CL45(bp, phy,
  4648. MDIO_REG_BANK_CL73_IEEEB1,
  4649. MDIO_CL73_IEEEB1_AN_ADV1,
  4650. &ld_pause);
  4651. CL22_RD_OVER_CL45(bp, phy,
  4652. MDIO_REG_BANK_CL73_IEEEB1,
  4653. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4654. &lp_pause);
  4655. pause_result = (ld_pause &
  4656. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4657. pause_result |= (lp_pause &
  4658. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4659. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4660. } else {
  4661. CL22_RD_OVER_CL45(bp, phy,
  4662. MDIO_REG_BANK_COMBO_IEEE0,
  4663. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4664. &ld_pause);
  4665. CL22_RD_OVER_CL45(bp, phy,
  4666. MDIO_REG_BANK_COMBO_IEEE0,
  4667. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4668. &lp_pause);
  4669. pause_result = (ld_pause &
  4670. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4671. pause_result |= (lp_pause &
  4672. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4673. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4674. }
  4675. bnx2x_pause_resolve(vars, pause_result);
  4676. }
  4677. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4678. struct link_params *params,
  4679. struct link_vars *vars,
  4680. u32 gp_status)
  4681. {
  4682. struct bnx2x *bp = params->bp;
  4683. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4684. /* resolve from gp_status in case of AN complete and not sgmii */
  4685. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4686. /* Update the advertised flow-controled of LD/LP in AN */
  4687. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4688. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4689. /* But set the flow-control result as the requested one */
  4690. vars->flow_ctrl = phy->req_flow_ctrl;
  4691. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4692. vars->flow_ctrl = params->req_fc_auto_adv;
  4693. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4694. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4695. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4696. vars->flow_ctrl = params->req_fc_auto_adv;
  4697. return;
  4698. }
  4699. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4700. }
  4701. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4702. }
  4703. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4704. struct link_params *params)
  4705. {
  4706. struct bnx2x *bp = params->bp;
  4707. u16 rx_status, ustat_val, cl37_fsm_received;
  4708. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4709. /* Step 1: Make sure signal is detected */
  4710. CL22_RD_OVER_CL45(bp, phy,
  4711. MDIO_REG_BANK_RX0,
  4712. MDIO_RX0_RX_STATUS,
  4713. &rx_status);
  4714. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4715. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4716. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4717. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4718. CL22_WR_OVER_CL45(bp, phy,
  4719. MDIO_REG_BANK_CL73_IEEEB0,
  4720. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4721. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4722. return;
  4723. }
  4724. /* Step 2: Check CL73 state machine */
  4725. CL22_RD_OVER_CL45(bp, phy,
  4726. MDIO_REG_BANK_CL73_USERB0,
  4727. MDIO_CL73_USERB0_CL73_USTAT1,
  4728. &ustat_val);
  4729. if ((ustat_val &
  4730. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4731. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4732. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4733. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4734. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4735. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4736. return;
  4737. }
  4738. /* Step 3: Check CL37 Message Pages received to indicate LP
  4739. * supports only CL37
  4740. */
  4741. CL22_RD_OVER_CL45(bp, phy,
  4742. MDIO_REG_BANK_REMOTE_PHY,
  4743. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4744. &cl37_fsm_received);
  4745. if ((cl37_fsm_received &
  4746. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4747. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4748. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4749. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4750. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4751. "misc_rx_status(0x8330) = 0x%x\n",
  4752. cl37_fsm_received);
  4753. return;
  4754. }
  4755. /* The combined cl37/cl73 fsm state information indicating that
  4756. * we are connected to a device which does not support cl73, but
  4757. * does support cl37 BAM. In this case we disable cl73 and
  4758. * restart cl37 auto-neg
  4759. */
  4760. /* Disable CL73 */
  4761. CL22_WR_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_CL73_IEEEB0,
  4763. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4764. 0);
  4765. /* Restart CL37 autoneg */
  4766. bnx2x_restart_autoneg(phy, params, 0);
  4767. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4768. }
  4769. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4770. struct link_params *params,
  4771. struct link_vars *vars,
  4772. u32 gp_status)
  4773. {
  4774. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4775. vars->link_status |=
  4776. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4777. if (bnx2x_direct_parallel_detect_used(phy, params))
  4778. vars->link_status |=
  4779. LINK_STATUS_PARALLEL_DETECTION_USED;
  4780. }
  4781. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4782. struct link_params *params,
  4783. struct link_vars *vars,
  4784. u16 is_link_up,
  4785. u16 speed_mask,
  4786. u16 is_duplex)
  4787. {
  4788. struct bnx2x *bp = params->bp;
  4789. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4790. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4791. if (is_link_up) {
  4792. DP(NETIF_MSG_LINK, "phy link up\n");
  4793. vars->phy_link_up = 1;
  4794. vars->link_status |= LINK_STATUS_LINK_UP;
  4795. switch (speed_mask) {
  4796. case GP_STATUS_10M:
  4797. vars->line_speed = SPEED_10;
  4798. if (vars->duplex == DUPLEX_FULL)
  4799. vars->link_status |= LINK_10TFD;
  4800. else
  4801. vars->link_status |= LINK_10THD;
  4802. break;
  4803. case GP_STATUS_100M:
  4804. vars->line_speed = SPEED_100;
  4805. if (vars->duplex == DUPLEX_FULL)
  4806. vars->link_status |= LINK_100TXFD;
  4807. else
  4808. vars->link_status |= LINK_100TXHD;
  4809. break;
  4810. case GP_STATUS_1G:
  4811. case GP_STATUS_1G_KX:
  4812. vars->line_speed = SPEED_1000;
  4813. if (vars->duplex == DUPLEX_FULL)
  4814. vars->link_status |= LINK_1000TFD;
  4815. else
  4816. vars->link_status |= LINK_1000THD;
  4817. break;
  4818. case GP_STATUS_2_5G:
  4819. vars->line_speed = SPEED_2500;
  4820. if (vars->duplex == DUPLEX_FULL)
  4821. vars->link_status |= LINK_2500TFD;
  4822. else
  4823. vars->link_status |= LINK_2500THD;
  4824. break;
  4825. case GP_STATUS_5G:
  4826. case GP_STATUS_6G:
  4827. DP(NETIF_MSG_LINK,
  4828. "link speed unsupported gp_status 0x%x\n",
  4829. speed_mask);
  4830. return -EINVAL;
  4831. case GP_STATUS_10G_KX4:
  4832. case GP_STATUS_10G_HIG:
  4833. case GP_STATUS_10G_CX4:
  4834. case GP_STATUS_10G_KR:
  4835. case GP_STATUS_10G_SFI:
  4836. case GP_STATUS_10G_XFI:
  4837. vars->line_speed = SPEED_10000;
  4838. vars->link_status |= LINK_10GTFD;
  4839. break;
  4840. case GP_STATUS_20G_DXGXS:
  4841. vars->line_speed = SPEED_20000;
  4842. vars->link_status |= LINK_20GTFD;
  4843. break;
  4844. default:
  4845. DP(NETIF_MSG_LINK,
  4846. "link speed unsupported gp_status 0x%x\n",
  4847. speed_mask);
  4848. return -EINVAL;
  4849. }
  4850. } else { /* link_down */
  4851. DP(NETIF_MSG_LINK, "phy link down\n");
  4852. vars->phy_link_up = 0;
  4853. vars->duplex = DUPLEX_FULL;
  4854. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4855. vars->mac_type = MAC_TYPE_NONE;
  4856. }
  4857. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4858. vars->phy_link_up, vars->line_speed);
  4859. return 0;
  4860. }
  4861. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4862. struct link_params *params,
  4863. struct link_vars *vars)
  4864. {
  4865. struct bnx2x *bp = params->bp;
  4866. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4867. int rc = 0;
  4868. /* Read gp_status */
  4869. CL22_RD_OVER_CL45(bp, phy,
  4870. MDIO_REG_BANK_GP_STATUS,
  4871. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4872. &gp_status);
  4873. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4874. duplex = DUPLEX_FULL;
  4875. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4876. link_up = 1;
  4877. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4878. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4879. gp_status, link_up, speed_mask);
  4880. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4881. duplex);
  4882. if (rc == -EINVAL)
  4883. return rc;
  4884. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4885. if (SINGLE_MEDIA_DIRECT(params)) {
  4886. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4887. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4888. bnx2x_xgxs_an_resolve(phy, params, vars,
  4889. gp_status);
  4890. }
  4891. } else { /* link_down */
  4892. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4893. SINGLE_MEDIA_DIRECT(params)) {
  4894. /* Check signal is detected */
  4895. bnx2x_check_fallback_to_cl37(phy, params);
  4896. }
  4897. }
  4898. /* Read LP advertised speeds*/
  4899. if (SINGLE_MEDIA_DIRECT(params) &&
  4900. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4901. u16 val;
  4902. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4903. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4904. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4905. vars->link_status |=
  4906. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4907. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4908. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4909. vars->link_status |=
  4910. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4911. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4912. MDIO_OVER_1G_LP_UP1, &val);
  4913. if (val & MDIO_OVER_1G_UP1_2_5G)
  4914. vars->link_status |=
  4915. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4916. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4917. vars->link_status |=
  4918. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4919. }
  4920. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4921. vars->duplex, vars->flow_ctrl, vars->link_status);
  4922. return rc;
  4923. }
  4924. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4925. struct link_params *params,
  4926. struct link_vars *vars)
  4927. {
  4928. struct bnx2x *bp = params->bp;
  4929. u8 lane;
  4930. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4931. int rc = 0;
  4932. lane = bnx2x_get_warpcore_lane(phy, params);
  4933. /* Read gp_status */
  4934. if (phy->req_line_speed > SPEED_10000) {
  4935. u16 temp_link_up;
  4936. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4937. 1, &temp_link_up);
  4938. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4939. 1, &link_up);
  4940. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4941. temp_link_up, link_up);
  4942. link_up &= (1<<2);
  4943. if (link_up)
  4944. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4945. } else {
  4946. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4947. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4948. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4949. /* Check for either KR or generic link up. */
  4950. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4951. ((gp_status1 >> 12) & 0xf);
  4952. link_up = gp_status1 & (1 << lane);
  4953. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4954. u16 pd, gp_status4;
  4955. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4956. /* Check Autoneg complete */
  4957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4958. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4959. &gp_status4);
  4960. if (gp_status4 & ((1<<12)<<lane))
  4961. vars->link_status |=
  4962. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4963. /* Check parallel detect used */
  4964. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4965. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4966. &pd);
  4967. if (pd & (1<<15))
  4968. vars->link_status |=
  4969. LINK_STATUS_PARALLEL_DETECTION_USED;
  4970. }
  4971. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4972. }
  4973. }
  4974. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4975. SINGLE_MEDIA_DIRECT(params)) {
  4976. u16 val;
  4977. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4978. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4979. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4980. vars->link_status |=
  4981. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4982. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4983. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4984. vars->link_status |=
  4985. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4986. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4987. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4988. if (val & MDIO_OVER_1G_UP1_2_5G)
  4989. vars->link_status |=
  4990. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4991. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4992. vars->link_status |=
  4993. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4994. }
  4995. if (lane < 2) {
  4996. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4997. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4998. } else {
  4999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5000. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5001. }
  5002. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5003. if ((lane & 1) == 0)
  5004. gp_speed <<= 8;
  5005. gp_speed &= 0x3f00;
  5006. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5007. duplex);
  5008. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5009. vars->duplex, vars->flow_ctrl, vars->link_status);
  5010. return rc;
  5011. }
  5012. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5013. {
  5014. struct bnx2x *bp = params->bp;
  5015. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5016. u16 lp_up2;
  5017. u16 tx_driver;
  5018. u16 bank;
  5019. /* read precomp */
  5020. CL22_RD_OVER_CL45(bp, phy,
  5021. MDIO_REG_BANK_OVER_1G,
  5022. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5023. /* bits [10:7] at lp_up2, positioned at [15:12] */
  5024. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5025. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5026. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5027. if (lp_up2 == 0)
  5028. return;
  5029. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5030. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5031. CL22_RD_OVER_CL45(bp, phy,
  5032. bank,
  5033. MDIO_TX0_TX_DRIVER, &tx_driver);
  5034. /* replace tx_driver bits [15:12] */
  5035. if (lp_up2 !=
  5036. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5037. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5038. tx_driver |= lp_up2;
  5039. CL22_WR_OVER_CL45(bp, phy,
  5040. bank,
  5041. MDIO_TX0_TX_DRIVER, tx_driver);
  5042. }
  5043. }
  5044. }
  5045. static int bnx2x_emac_program(struct link_params *params,
  5046. struct link_vars *vars)
  5047. {
  5048. struct bnx2x *bp = params->bp;
  5049. u8 port = params->port;
  5050. u16 mode = 0;
  5051. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5052. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5053. EMAC_REG_EMAC_MODE,
  5054. (EMAC_MODE_25G_MODE |
  5055. EMAC_MODE_PORT_MII_10M |
  5056. EMAC_MODE_HALF_DUPLEX));
  5057. switch (vars->line_speed) {
  5058. case SPEED_10:
  5059. mode |= EMAC_MODE_PORT_MII_10M;
  5060. break;
  5061. case SPEED_100:
  5062. mode |= EMAC_MODE_PORT_MII;
  5063. break;
  5064. case SPEED_1000:
  5065. mode |= EMAC_MODE_PORT_GMII;
  5066. break;
  5067. case SPEED_2500:
  5068. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5069. break;
  5070. default:
  5071. /* 10G not valid for EMAC */
  5072. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5073. vars->line_speed);
  5074. return -EINVAL;
  5075. }
  5076. if (vars->duplex == DUPLEX_HALF)
  5077. mode |= EMAC_MODE_HALF_DUPLEX;
  5078. bnx2x_bits_en(bp,
  5079. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5080. mode);
  5081. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5082. return 0;
  5083. }
  5084. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5085. struct link_params *params)
  5086. {
  5087. u16 bank, i = 0;
  5088. struct bnx2x *bp = params->bp;
  5089. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5090. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5091. CL22_WR_OVER_CL45(bp, phy,
  5092. bank,
  5093. MDIO_RX0_RX_EQ_BOOST,
  5094. phy->rx_preemphasis[i]);
  5095. }
  5096. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5097. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5098. CL22_WR_OVER_CL45(bp, phy,
  5099. bank,
  5100. MDIO_TX0_TX_DRIVER,
  5101. phy->tx_preemphasis[i]);
  5102. }
  5103. }
  5104. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5105. struct link_params *params,
  5106. struct link_vars *vars)
  5107. {
  5108. struct bnx2x *bp = params->bp;
  5109. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5110. (params->loopback_mode == LOOPBACK_XGXS));
  5111. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5112. if (SINGLE_MEDIA_DIRECT(params) &&
  5113. (params->feature_config_flags &
  5114. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5115. bnx2x_set_preemphasis(phy, params);
  5116. /* forced speed requested? */
  5117. if (vars->line_speed != SPEED_AUTO_NEG ||
  5118. (SINGLE_MEDIA_DIRECT(params) &&
  5119. params->loopback_mode == LOOPBACK_EXT)) {
  5120. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5121. /* disable autoneg */
  5122. bnx2x_set_autoneg(phy, params, vars, 0);
  5123. /* program speed and duplex */
  5124. bnx2x_program_serdes(phy, params, vars);
  5125. } else { /* AN_mode */
  5126. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5127. /* AN enabled */
  5128. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5129. /* program duplex & pause advertisement (for aneg) */
  5130. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5131. vars->ieee_fc);
  5132. /* enable autoneg */
  5133. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5134. /* enable and restart AN */
  5135. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5136. }
  5137. } else { /* SGMII mode */
  5138. DP(NETIF_MSG_LINK, "SGMII\n");
  5139. bnx2x_initialize_sgmii_process(phy, params, vars);
  5140. }
  5141. }
  5142. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5143. struct link_params *params,
  5144. struct link_vars *vars)
  5145. {
  5146. int rc;
  5147. vars->phy_flags |= PHY_XGXS_FLAG;
  5148. if ((phy->req_line_speed &&
  5149. ((phy->req_line_speed == SPEED_100) ||
  5150. (phy->req_line_speed == SPEED_10))) ||
  5151. (!phy->req_line_speed &&
  5152. (phy->speed_cap_mask >=
  5153. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5154. (phy->speed_cap_mask <
  5155. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5156. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5157. vars->phy_flags |= PHY_SGMII_FLAG;
  5158. else
  5159. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5160. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5161. bnx2x_set_aer_mmd(params, phy);
  5162. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5163. bnx2x_set_master_ln(params, phy);
  5164. rc = bnx2x_reset_unicore(params, phy, 0);
  5165. /* reset the SerDes and wait for reset bit return low */
  5166. if (rc != 0)
  5167. return rc;
  5168. bnx2x_set_aer_mmd(params, phy);
  5169. /* setting the masterLn_def again after the reset */
  5170. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5171. bnx2x_set_master_ln(params, phy);
  5172. bnx2x_set_swap_lanes(params, phy);
  5173. }
  5174. return rc;
  5175. }
  5176. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5177. struct bnx2x_phy *phy,
  5178. struct link_params *params)
  5179. {
  5180. u16 cnt, ctrl;
  5181. /* Wait for soft reset to get cleared up to 1 sec */
  5182. for (cnt = 0; cnt < 1000; cnt++) {
  5183. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5184. bnx2x_cl22_read(bp, phy,
  5185. MDIO_PMA_REG_CTRL, &ctrl);
  5186. else
  5187. bnx2x_cl45_read(bp, phy,
  5188. MDIO_PMA_DEVAD,
  5189. MDIO_PMA_REG_CTRL, &ctrl);
  5190. if (!(ctrl & (1<<15)))
  5191. break;
  5192. msleep(1);
  5193. }
  5194. if (cnt == 1000)
  5195. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5196. " Port %d\n",
  5197. params->port);
  5198. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5199. return cnt;
  5200. }
  5201. static void bnx2x_link_int_enable(struct link_params *params)
  5202. {
  5203. u8 port = params->port;
  5204. u32 mask;
  5205. struct bnx2x *bp = params->bp;
  5206. /* Setting the status to report on link up for either XGXS or SerDes */
  5207. if (CHIP_IS_E3(bp)) {
  5208. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5209. if (!(SINGLE_MEDIA_DIRECT(params)))
  5210. mask |= NIG_MASK_MI_INT;
  5211. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5212. mask = (NIG_MASK_XGXS0_LINK10G |
  5213. NIG_MASK_XGXS0_LINK_STATUS);
  5214. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5215. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5216. params->phy[INT_PHY].type !=
  5217. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5218. mask |= NIG_MASK_MI_INT;
  5219. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5220. }
  5221. } else { /* SerDes */
  5222. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5223. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5224. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5225. params->phy[INT_PHY].type !=
  5226. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5227. mask |= NIG_MASK_MI_INT;
  5228. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5229. }
  5230. }
  5231. bnx2x_bits_en(bp,
  5232. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5233. mask);
  5234. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5235. (params->switch_cfg == SWITCH_CFG_10G),
  5236. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5237. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5238. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5239. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5240. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5241. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5242. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5243. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5244. }
  5245. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5246. u8 exp_mi_int)
  5247. {
  5248. u32 latch_status = 0;
  5249. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5250. * status register. Link down indication is high-active-signal,
  5251. * so in this case we need to write the status to clear the XOR
  5252. */
  5253. /* Read Latched signals */
  5254. latch_status = REG_RD(bp,
  5255. NIG_REG_LATCH_STATUS_0 + port*8);
  5256. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5257. /* Handle only those with latched-signal=up.*/
  5258. if (exp_mi_int)
  5259. bnx2x_bits_en(bp,
  5260. NIG_REG_STATUS_INTERRUPT_PORT0
  5261. + port*4,
  5262. NIG_STATUS_EMAC0_MI_INT);
  5263. else
  5264. bnx2x_bits_dis(bp,
  5265. NIG_REG_STATUS_INTERRUPT_PORT0
  5266. + port*4,
  5267. NIG_STATUS_EMAC0_MI_INT);
  5268. if (latch_status & 1) {
  5269. /* For all latched-signal=up : Re-Arm Latch signals */
  5270. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5271. (latch_status & 0xfffe) | (latch_status & 1));
  5272. }
  5273. /* For all latched-signal=up,Write original_signal to status */
  5274. }
  5275. static void bnx2x_link_int_ack(struct link_params *params,
  5276. struct link_vars *vars, u8 is_10g_plus)
  5277. {
  5278. struct bnx2x *bp = params->bp;
  5279. u8 port = params->port;
  5280. u32 mask;
  5281. /* First reset all status we assume only one line will be
  5282. * change at a time
  5283. */
  5284. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5285. (NIG_STATUS_XGXS0_LINK10G |
  5286. NIG_STATUS_XGXS0_LINK_STATUS |
  5287. NIG_STATUS_SERDES0_LINK_STATUS));
  5288. if (vars->phy_link_up) {
  5289. if (USES_WARPCORE(bp))
  5290. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5291. else {
  5292. if (is_10g_plus)
  5293. mask = NIG_STATUS_XGXS0_LINK10G;
  5294. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5295. /* Disable the link interrupt by writing 1 to
  5296. * the relevant lane in the status register
  5297. */
  5298. u32 ser_lane =
  5299. ((params->lane_config &
  5300. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5301. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5302. mask = ((1 << ser_lane) <<
  5303. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5304. } else
  5305. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5306. }
  5307. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5308. mask);
  5309. bnx2x_bits_en(bp,
  5310. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5311. mask);
  5312. }
  5313. }
  5314. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5315. {
  5316. u8 *str_ptr = str;
  5317. u32 mask = 0xf0000000;
  5318. u8 shift = 8*4;
  5319. u8 digit;
  5320. u8 remove_leading_zeros = 1;
  5321. if (*len < 10) {
  5322. /* Need more than 10chars for this format */
  5323. *str_ptr = '\0';
  5324. (*len)--;
  5325. return -EINVAL;
  5326. }
  5327. while (shift > 0) {
  5328. shift -= 4;
  5329. digit = ((num & mask) >> shift);
  5330. if (digit == 0 && remove_leading_zeros) {
  5331. mask = mask >> 4;
  5332. continue;
  5333. } else if (digit < 0xa)
  5334. *str_ptr = digit + '0';
  5335. else
  5336. *str_ptr = digit - 0xa + 'a';
  5337. remove_leading_zeros = 0;
  5338. str_ptr++;
  5339. (*len)--;
  5340. mask = mask >> 4;
  5341. if (shift == 4*4) {
  5342. *str_ptr = '.';
  5343. str_ptr++;
  5344. (*len)--;
  5345. remove_leading_zeros = 1;
  5346. }
  5347. }
  5348. return 0;
  5349. }
  5350. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5351. {
  5352. str[0] = '\0';
  5353. (*len)--;
  5354. return 0;
  5355. }
  5356. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5357. u16 len)
  5358. {
  5359. struct bnx2x *bp;
  5360. u32 spirom_ver = 0;
  5361. int status = 0;
  5362. u8 *ver_p = version;
  5363. u16 remain_len = len;
  5364. if (version == NULL || params == NULL)
  5365. return -EINVAL;
  5366. bp = params->bp;
  5367. /* Extract first external phy*/
  5368. version[0] = '\0';
  5369. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5370. if (params->phy[EXT_PHY1].format_fw_ver) {
  5371. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5372. ver_p,
  5373. &remain_len);
  5374. ver_p += (len - remain_len);
  5375. }
  5376. if ((params->num_phys == MAX_PHYS) &&
  5377. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5378. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5379. if (params->phy[EXT_PHY2].format_fw_ver) {
  5380. *ver_p = '/';
  5381. ver_p++;
  5382. remain_len--;
  5383. status |= params->phy[EXT_PHY2].format_fw_ver(
  5384. spirom_ver,
  5385. ver_p,
  5386. &remain_len);
  5387. ver_p = version + (len - remain_len);
  5388. }
  5389. }
  5390. *ver_p = '\0';
  5391. return status;
  5392. }
  5393. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5394. struct link_params *params)
  5395. {
  5396. u8 port = params->port;
  5397. struct bnx2x *bp = params->bp;
  5398. if (phy->req_line_speed != SPEED_1000) {
  5399. u32 md_devad = 0;
  5400. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5401. if (!CHIP_IS_E3(bp)) {
  5402. /* change the uni_phy_addr in the nig */
  5403. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5404. port*0x18));
  5405. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5406. 0x5);
  5407. }
  5408. bnx2x_cl45_write(bp, phy,
  5409. 5,
  5410. (MDIO_REG_BANK_AER_BLOCK +
  5411. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5412. 0x2800);
  5413. bnx2x_cl45_write(bp, phy,
  5414. 5,
  5415. (MDIO_REG_BANK_CL73_IEEEB0 +
  5416. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5417. 0x6041);
  5418. msleep(200);
  5419. /* set aer mmd back */
  5420. bnx2x_set_aer_mmd(params, phy);
  5421. if (!CHIP_IS_E3(bp)) {
  5422. /* and md_devad */
  5423. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5424. md_devad);
  5425. }
  5426. } else {
  5427. u16 mii_ctrl;
  5428. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5429. bnx2x_cl45_read(bp, phy, 5,
  5430. (MDIO_REG_BANK_COMBO_IEEE0 +
  5431. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5432. &mii_ctrl);
  5433. bnx2x_cl45_write(bp, phy, 5,
  5434. (MDIO_REG_BANK_COMBO_IEEE0 +
  5435. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5436. mii_ctrl |
  5437. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5438. }
  5439. }
  5440. int bnx2x_set_led(struct link_params *params,
  5441. struct link_vars *vars, u8 mode, u32 speed)
  5442. {
  5443. u8 port = params->port;
  5444. u16 hw_led_mode = params->hw_led_mode;
  5445. int rc = 0;
  5446. u8 phy_idx;
  5447. u32 tmp;
  5448. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5449. struct bnx2x *bp = params->bp;
  5450. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5451. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5452. speed, hw_led_mode);
  5453. /* In case */
  5454. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5455. if (params->phy[phy_idx].set_link_led) {
  5456. params->phy[phy_idx].set_link_led(
  5457. &params->phy[phy_idx], params, mode);
  5458. }
  5459. }
  5460. switch (mode) {
  5461. case LED_MODE_FRONT_PANEL_OFF:
  5462. case LED_MODE_OFF:
  5463. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5464. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5465. SHARED_HW_CFG_LED_MAC1);
  5466. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5467. if (params->phy[EXT_PHY1].type ==
  5468. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5469. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5470. EMAC_LED_100MB_OVERRIDE |
  5471. EMAC_LED_10MB_OVERRIDE);
  5472. else
  5473. tmp |= EMAC_LED_OVERRIDE;
  5474. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5475. break;
  5476. case LED_MODE_OPER:
  5477. /* For all other phys, OPER mode is same as ON, so in case
  5478. * link is down, do nothing
  5479. */
  5480. if (!vars->link_up)
  5481. break;
  5482. case LED_MODE_ON:
  5483. if (((params->phy[EXT_PHY1].type ==
  5484. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5485. (params->phy[EXT_PHY1].type ==
  5486. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5487. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5488. /* This is a work-around for E2+8727 Configurations */
  5489. if (mode == LED_MODE_ON ||
  5490. speed == SPEED_10000){
  5491. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5492. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5493. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5494. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5495. (tmp | EMAC_LED_OVERRIDE));
  5496. /* Return here without enabling traffic
  5497. * LED blink and setting rate in ON mode.
  5498. * In oper mode, enabling LED blink
  5499. * and setting rate is needed.
  5500. */
  5501. if (mode == LED_MODE_ON)
  5502. return rc;
  5503. }
  5504. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5505. /* This is a work-around for HW issue found when link
  5506. * is up in CL73
  5507. */
  5508. if ((!CHIP_IS_E3(bp)) ||
  5509. (CHIP_IS_E3(bp) &&
  5510. mode == LED_MODE_ON))
  5511. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5512. if (CHIP_IS_E1x(bp) ||
  5513. CHIP_IS_E2(bp) ||
  5514. (mode == LED_MODE_ON))
  5515. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5516. else
  5517. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5518. hw_led_mode);
  5519. } else if ((params->phy[EXT_PHY1].type ==
  5520. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5521. (mode == LED_MODE_ON)) {
  5522. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5523. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5524. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5525. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5526. /* Break here; otherwise, it'll disable the
  5527. * intended override.
  5528. */
  5529. break;
  5530. } else
  5531. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5532. hw_led_mode);
  5533. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5534. /* Set blinking rate to ~15.9Hz */
  5535. if (CHIP_IS_E3(bp))
  5536. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5537. LED_BLINK_RATE_VAL_E3);
  5538. else
  5539. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5540. LED_BLINK_RATE_VAL_E1X_E2);
  5541. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5542. port*4, 1);
  5543. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5544. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5545. (tmp & (~EMAC_LED_OVERRIDE)));
  5546. if (CHIP_IS_E1(bp) &&
  5547. ((speed == SPEED_2500) ||
  5548. (speed == SPEED_1000) ||
  5549. (speed == SPEED_100) ||
  5550. (speed == SPEED_10))) {
  5551. /* For speeds less than 10G LED scheme is different */
  5552. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5553. + port*4, 1);
  5554. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5555. port*4, 0);
  5556. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5557. port*4, 1);
  5558. }
  5559. break;
  5560. default:
  5561. rc = -EINVAL;
  5562. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5563. mode);
  5564. break;
  5565. }
  5566. return rc;
  5567. }
  5568. /* This function comes to reflect the actual link state read DIRECTLY from the
  5569. * HW
  5570. */
  5571. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5572. u8 is_serdes)
  5573. {
  5574. struct bnx2x *bp = params->bp;
  5575. u16 gp_status = 0, phy_index = 0;
  5576. u8 ext_phy_link_up = 0, serdes_phy_type;
  5577. struct link_vars temp_vars;
  5578. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5579. if (CHIP_IS_E3(bp)) {
  5580. u16 link_up;
  5581. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5582. > SPEED_10000) {
  5583. /* Check 20G link */
  5584. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5585. 1, &link_up);
  5586. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5587. 1, &link_up);
  5588. link_up &= (1<<2);
  5589. } else {
  5590. /* Check 10G link and below*/
  5591. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5592. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5593. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5594. &gp_status);
  5595. gp_status = ((gp_status >> 8) & 0xf) |
  5596. ((gp_status >> 12) & 0xf);
  5597. link_up = gp_status & (1 << lane);
  5598. }
  5599. if (!link_up)
  5600. return -ESRCH;
  5601. } else {
  5602. CL22_RD_OVER_CL45(bp, int_phy,
  5603. MDIO_REG_BANK_GP_STATUS,
  5604. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5605. &gp_status);
  5606. /* link is up only if both local phy and external phy are up */
  5607. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5608. return -ESRCH;
  5609. }
  5610. /* In XGXS loopback mode, do not check external PHY */
  5611. if (params->loopback_mode == LOOPBACK_XGXS)
  5612. return 0;
  5613. switch (params->num_phys) {
  5614. case 1:
  5615. /* No external PHY */
  5616. return 0;
  5617. case 2:
  5618. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5619. &params->phy[EXT_PHY1],
  5620. params, &temp_vars);
  5621. break;
  5622. case 3: /* Dual Media */
  5623. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5624. phy_index++) {
  5625. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5626. ETH_PHY_SFP_FIBER) ||
  5627. (params->phy[phy_index].media_type ==
  5628. ETH_PHY_XFP_FIBER) ||
  5629. (params->phy[phy_index].media_type ==
  5630. ETH_PHY_DA_TWINAX));
  5631. if (is_serdes != serdes_phy_type)
  5632. continue;
  5633. if (params->phy[phy_index].read_status) {
  5634. ext_phy_link_up |=
  5635. params->phy[phy_index].read_status(
  5636. &params->phy[phy_index],
  5637. params, &temp_vars);
  5638. }
  5639. }
  5640. break;
  5641. }
  5642. if (ext_phy_link_up)
  5643. return 0;
  5644. return -ESRCH;
  5645. }
  5646. static int bnx2x_link_initialize(struct link_params *params,
  5647. struct link_vars *vars)
  5648. {
  5649. int rc = 0;
  5650. u8 phy_index, non_ext_phy;
  5651. struct bnx2x *bp = params->bp;
  5652. /* In case of external phy existence, the line speed would be the
  5653. * line speed linked up by the external phy. In case it is direct
  5654. * only, then the line_speed during initialization will be
  5655. * equal to the req_line_speed
  5656. */
  5657. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5658. /* Initialize the internal phy in case this is a direct board
  5659. * (no external phys), or this board has external phy which requires
  5660. * to first.
  5661. */
  5662. if (!USES_WARPCORE(bp))
  5663. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5664. /* init ext phy and enable link state int */
  5665. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5666. (params->loopback_mode == LOOPBACK_XGXS));
  5667. if (non_ext_phy ||
  5668. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5669. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5670. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5671. if (vars->line_speed == SPEED_AUTO_NEG &&
  5672. (CHIP_IS_E1x(bp) ||
  5673. CHIP_IS_E2(bp)))
  5674. bnx2x_set_parallel_detection(phy, params);
  5675. if (params->phy[INT_PHY].config_init)
  5676. params->phy[INT_PHY].config_init(phy,
  5677. params,
  5678. vars);
  5679. }
  5680. /* Init external phy*/
  5681. if (non_ext_phy) {
  5682. if (params->phy[INT_PHY].supported &
  5683. SUPPORTED_FIBRE)
  5684. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5685. } else {
  5686. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5687. phy_index++) {
  5688. /* No need to initialize second phy in case of first
  5689. * phy only selection. In case of second phy, we do
  5690. * need to initialize the first phy, since they are
  5691. * connected.
  5692. */
  5693. if (params->phy[phy_index].supported &
  5694. SUPPORTED_FIBRE)
  5695. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5696. if (phy_index == EXT_PHY2 &&
  5697. (bnx2x_phy_selection(params) ==
  5698. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5699. DP(NETIF_MSG_LINK,
  5700. "Not initializing second phy\n");
  5701. continue;
  5702. }
  5703. params->phy[phy_index].config_init(
  5704. &params->phy[phy_index],
  5705. params, vars);
  5706. }
  5707. }
  5708. /* Reset the interrupt indication after phy was initialized */
  5709. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5710. params->port*4,
  5711. (NIG_STATUS_XGXS0_LINK10G |
  5712. NIG_STATUS_XGXS0_LINK_STATUS |
  5713. NIG_STATUS_SERDES0_LINK_STATUS |
  5714. NIG_MASK_MI_INT));
  5715. return rc;
  5716. }
  5717. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5718. struct link_params *params)
  5719. {
  5720. /* reset the SerDes/XGXS */
  5721. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5722. (0x1ff << (params->port*16)));
  5723. }
  5724. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5725. struct link_params *params)
  5726. {
  5727. struct bnx2x *bp = params->bp;
  5728. u8 gpio_port;
  5729. /* HW reset */
  5730. if (CHIP_IS_E2(bp))
  5731. gpio_port = BP_PATH(bp);
  5732. else
  5733. gpio_port = params->port;
  5734. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5735. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5736. gpio_port);
  5737. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5738. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5739. gpio_port);
  5740. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5741. }
  5742. static int bnx2x_update_link_down(struct link_params *params,
  5743. struct link_vars *vars)
  5744. {
  5745. struct bnx2x *bp = params->bp;
  5746. u8 port = params->port;
  5747. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5748. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5749. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5750. /* indicate no mac active */
  5751. vars->mac_type = MAC_TYPE_NONE;
  5752. /* update shared memory */
  5753. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5754. LINK_STATUS_LINK_UP |
  5755. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5756. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5757. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5758. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5759. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5760. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5761. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5762. vars->line_speed = 0;
  5763. bnx2x_update_mng(params, vars->link_status);
  5764. /* activate nig drain */
  5765. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5766. /* disable emac */
  5767. if (!CHIP_IS_E3(bp))
  5768. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5769. msleep(10);
  5770. /* reset BigMac/Xmac */
  5771. if (CHIP_IS_E1x(bp) ||
  5772. CHIP_IS_E2(bp)) {
  5773. bnx2x_bmac_rx_disable(bp, params->port);
  5774. REG_WR(bp, GRCBASE_MISC +
  5775. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5776. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5777. }
  5778. if (CHIP_IS_E3(bp)) {
  5779. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5780. 0);
  5781. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  5782. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5783. 0);
  5784. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5785. SHMEM_EEE_ACTIVE_BIT);
  5786. bnx2x_update_mng_eee(params, vars->eee_status);
  5787. bnx2x_xmac_disable(params);
  5788. bnx2x_umac_disable(params);
  5789. }
  5790. return 0;
  5791. }
  5792. static int bnx2x_update_link_up(struct link_params *params,
  5793. struct link_vars *vars,
  5794. u8 link_10g)
  5795. {
  5796. struct bnx2x *bp = params->bp;
  5797. u8 phy_idx, port = params->port;
  5798. int rc = 0;
  5799. vars->link_status |= (LINK_STATUS_LINK_UP |
  5800. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5801. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5802. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5803. vars->link_status |=
  5804. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5805. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5806. vars->link_status |=
  5807. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5808. if (USES_WARPCORE(bp)) {
  5809. if (link_10g) {
  5810. if (bnx2x_xmac_enable(params, vars, 0) ==
  5811. -ESRCH) {
  5812. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5813. vars->link_up = 0;
  5814. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5815. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5816. }
  5817. } else
  5818. bnx2x_umac_enable(params, vars, 0);
  5819. bnx2x_set_led(params, vars,
  5820. LED_MODE_OPER, vars->line_speed);
  5821. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5822. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5823. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5824. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5825. (params->port << 2), 1);
  5826. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5827. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5828. (params->port << 2), 0xfc20);
  5829. }
  5830. }
  5831. if ((CHIP_IS_E1x(bp) ||
  5832. CHIP_IS_E2(bp))) {
  5833. if (link_10g) {
  5834. if (bnx2x_bmac_enable(params, vars, 0) ==
  5835. -ESRCH) {
  5836. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5837. vars->link_up = 0;
  5838. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5839. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5840. }
  5841. bnx2x_set_led(params, vars,
  5842. LED_MODE_OPER, SPEED_10000);
  5843. } else {
  5844. rc = bnx2x_emac_program(params, vars);
  5845. bnx2x_emac_enable(params, vars, 0);
  5846. /* AN complete? */
  5847. if ((vars->link_status &
  5848. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5849. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5850. SINGLE_MEDIA_DIRECT(params))
  5851. bnx2x_set_gmii_tx_driver(params);
  5852. }
  5853. }
  5854. /* PBF - link up */
  5855. if (CHIP_IS_E1x(bp))
  5856. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5857. vars->line_speed);
  5858. /* disable drain */
  5859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5860. /* update shared memory */
  5861. bnx2x_update_mng(params, vars->link_status);
  5862. bnx2x_update_mng_eee(params, vars->eee_status);
  5863. /* Check remote fault */
  5864. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5865. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5866. bnx2x_check_half_open_conn(params, vars, 0);
  5867. break;
  5868. }
  5869. }
  5870. msleep(20);
  5871. return rc;
  5872. }
  5873. /* The bnx2x_link_update function should be called upon link
  5874. * interrupt.
  5875. * Link is considered up as follows:
  5876. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5877. * to be up
  5878. * - SINGLE_MEDIA - The link between the 577xx and the external
  5879. * phy (XGXS) need to up as well as the external link of the
  5880. * phy (PHY_EXT1)
  5881. * - DUAL_MEDIA - The link between the 577xx and the first
  5882. * external phy needs to be up, and at least one of the 2
  5883. * external phy link must be up.
  5884. */
  5885. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5886. {
  5887. struct bnx2x *bp = params->bp;
  5888. struct link_vars phy_vars[MAX_PHYS];
  5889. u8 port = params->port;
  5890. u8 link_10g_plus, phy_index;
  5891. u8 ext_phy_link_up = 0, cur_link_up;
  5892. int rc = 0;
  5893. u8 is_mi_int = 0;
  5894. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5895. u8 active_external_phy = INT_PHY;
  5896. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5897. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5898. phy_index++) {
  5899. phy_vars[phy_index].flow_ctrl = 0;
  5900. phy_vars[phy_index].link_status = 0;
  5901. phy_vars[phy_index].line_speed = 0;
  5902. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5903. phy_vars[phy_index].phy_link_up = 0;
  5904. phy_vars[phy_index].link_up = 0;
  5905. phy_vars[phy_index].fault_detected = 0;
  5906. /* different consideration, since vars holds inner state */
  5907. phy_vars[phy_index].eee_status = vars->eee_status;
  5908. }
  5909. if (USES_WARPCORE(bp))
  5910. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5911. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5912. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5913. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5914. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5915. port*0x18) > 0);
  5916. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5917. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5918. is_mi_int,
  5919. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5920. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5921. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5922. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5923. /* disable emac */
  5924. if (!CHIP_IS_E3(bp))
  5925. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5926. /* Step 1:
  5927. * Check external link change only for external phys, and apply
  5928. * priority selection between them in case the link on both phys
  5929. * is up. Note that instead of the common vars, a temporary
  5930. * vars argument is used since each phy may have different link/
  5931. * speed/duplex result
  5932. */
  5933. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5934. phy_index++) {
  5935. struct bnx2x_phy *phy = &params->phy[phy_index];
  5936. if (!phy->read_status)
  5937. continue;
  5938. /* Read link status and params of this ext phy */
  5939. cur_link_up = phy->read_status(phy, params,
  5940. &phy_vars[phy_index]);
  5941. if (cur_link_up) {
  5942. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5943. phy_index);
  5944. } else {
  5945. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5946. phy_index);
  5947. continue;
  5948. }
  5949. if (!ext_phy_link_up) {
  5950. ext_phy_link_up = 1;
  5951. active_external_phy = phy_index;
  5952. } else {
  5953. switch (bnx2x_phy_selection(params)) {
  5954. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5955. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5956. /* In this option, the first PHY makes sure to pass the
  5957. * traffic through itself only.
  5958. * Its not clear how to reset the link on the second phy
  5959. */
  5960. active_external_phy = EXT_PHY1;
  5961. break;
  5962. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5963. /* In this option, the first PHY makes sure to pass the
  5964. * traffic through the second PHY.
  5965. */
  5966. active_external_phy = EXT_PHY2;
  5967. break;
  5968. default:
  5969. /* Link indication on both PHYs with the following cases
  5970. * is invalid:
  5971. * - FIRST_PHY means that second phy wasn't initialized,
  5972. * hence its link is expected to be down
  5973. * - SECOND_PHY means that first phy should not be able
  5974. * to link up by itself (using configuration)
  5975. * - DEFAULT should be overriden during initialiazation
  5976. */
  5977. DP(NETIF_MSG_LINK, "Invalid link indication"
  5978. "mpc=0x%x. DISABLING LINK !!!\n",
  5979. params->multi_phy_config);
  5980. ext_phy_link_up = 0;
  5981. break;
  5982. }
  5983. }
  5984. }
  5985. prev_line_speed = vars->line_speed;
  5986. /* Step 2:
  5987. * Read the status of the internal phy. In case of
  5988. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5989. * otherwise this is the link between the 577xx and the first
  5990. * external phy
  5991. */
  5992. if (params->phy[INT_PHY].read_status)
  5993. params->phy[INT_PHY].read_status(
  5994. &params->phy[INT_PHY],
  5995. params, vars);
  5996. /* The INT_PHY flow control reside in the vars. This include the
  5997. * case where the speed or flow control are not set to AUTO.
  5998. * Otherwise, the active external phy flow control result is set
  5999. * to the vars. The ext_phy_line_speed is needed to check if the
  6000. * speed is different between the internal phy and external phy.
  6001. * This case may be result of intermediate link speed change.
  6002. */
  6003. if (active_external_phy > INT_PHY) {
  6004. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6005. /* Link speed is taken from the XGXS. AN and FC result from
  6006. * the external phy.
  6007. */
  6008. vars->link_status |= phy_vars[active_external_phy].link_status;
  6009. /* if active_external_phy is first PHY and link is up - disable
  6010. * disable TX on second external PHY
  6011. */
  6012. if (active_external_phy == EXT_PHY1) {
  6013. if (params->phy[EXT_PHY2].phy_specific_func) {
  6014. DP(NETIF_MSG_LINK,
  6015. "Disabling TX on EXT_PHY2\n");
  6016. params->phy[EXT_PHY2].phy_specific_func(
  6017. &params->phy[EXT_PHY2],
  6018. params, DISABLE_TX);
  6019. }
  6020. }
  6021. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6022. vars->duplex = phy_vars[active_external_phy].duplex;
  6023. if (params->phy[active_external_phy].supported &
  6024. SUPPORTED_FIBRE)
  6025. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6026. else
  6027. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6028. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6029. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6030. active_external_phy);
  6031. }
  6032. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6033. phy_index++) {
  6034. if (params->phy[phy_index].flags &
  6035. FLAGS_REARM_LATCH_SIGNAL) {
  6036. bnx2x_rearm_latch_signal(bp, port,
  6037. phy_index ==
  6038. active_external_phy);
  6039. break;
  6040. }
  6041. }
  6042. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6043. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6044. vars->link_status, ext_phy_line_speed);
  6045. /* Upon link speed change set the NIG into drain mode. Comes to
  6046. * deals with possible FIFO glitch due to clk change when speed
  6047. * is decreased without link down indicator
  6048. */
  6049. if (vars->phy_link_up) {
  6050. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6051. (ext_phy_line_speed != vars->line_speed)) {
  6052. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6053. " different than the external"
  6054. " link speed %d\n", vars->line_speed,
  6055. ext_phy_line_speed);
  6056. vars->phy_link_up = 0;
  6057. } else if (prev_line_speed != vars->line_speed) {
  6058. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6059. 0);
  6060. msleep(1);
  6061. }
  6062. }
  6063. /* anything 10 and over uses the bmac */
  6064. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6065. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6066. /* In case external phy link is up, and internal link is down
  6067. * (not initialized yet probably after link initialization, it
  6068. * needs to be initialized.
  6069. * Note that after link down-up as result of cable plug, the xgxs
  6070. * link would probably become up again without the need
  6071. * initialize it
  6072. */
  6073. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6074. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6075. " init_preceding = %d\n", ext_phy_link_up,
  6076. vars->phy_link_up,
  6077. params->phy[EXT_PHY1].flags &
  6078. FLAGS_INIT_XGXS_FIRST);
  6079. if (!(params->phy[EXT_PHY1].flags &
  6080. FLAGS_INIT_XGXS_FIRST)
  6081. && ext_phy_link_up && !vars->phy_link_up) {
  6082. vars->line_speed = ext_phy_line_speed;
  6083. if (vars->line_speed < SPEED_1000)
  6084. vars->phy_flags |= PHY_SGMII_FLAG;
  6085. else
  6086. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6087. if (params->phy[INT_PHY].config_init)
  6088. params->phy[INT_PHY].config_init(
  6089. &params->phy[INT_PHY], params,
  6090. vars);
  6091. }
  6092. }
  6093. /* Link is up only if both local phy and external phy (in case of
  6094. * non-direct board) are up and no fault detected on active PHY.
  6095. */
  6096. vars->link_up = (vars->phy_link_up &&
  6097. (ext_phy_link_up ||
  6098. SINGLE_MEDIA_DIRECT(params)) &&
  6099. (phy_vars[active_external_phy].fault_detected == 0));
  6100. /* Update the PFC configuration in case it was changed */
  6101. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6102. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6103. else
  6104. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6105. if (vars->link_up)
  6106. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6107. else
  6108. rc = bnx2x_update_link_down(params, vars);
  6109. /* Update MCP link status was changed */
  6110. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6111. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6112. return rc;
  6113. }
  6114. /*****************************************************************************/
  6115. /* External Phy section */
  6116. /*****************************************************************************/
  6117. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6118. {
  6119. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6120. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6121. msleep(1);
  6122. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6123. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6124. }
  6125. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6126. u32 spirom_ver, u32 ver_addr)
  6127. {
  6128. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6129. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6130. if (ver_addr)
  6131. REG_WR(bp, ver_addr, spirom_ver);
  6132. }
  6133. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6134. struct bnx2x_phy *phy,
  6135. u8 port)
  6136. {
  6137. u16 fw_ver1, fw_ver2;
  6138. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6139. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6140. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6141. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6142. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6143. phy->ver_addr);
  6144. }
  6145. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6146. struct bnx2x_phy *phy,
  6147. struct link_vars *vars)
  6148. {
  6149. u16 val;
  6150. bnx2x_cl45_read(bp, phy,
  6151. MDIO_AN_DEVAD,
  6152. MDIO_AN_REG_STATUS, &val);
  6153. bnx2x_cl45_read(bp, phy,
  6154. MDIO_AN_DEVAD,
  6155. MDIO_AN_REG_STATUS, &val);
  6156. if (val & (1<<5))
  6157. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6158. if ((val & (1<<0)) == 0)
  6159. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6160. }
  6161. /******************************************************************/
  6162. /* common BCM8073/BCM8727 PHY SECTION */
  6163. /******************************************************************/
  6164. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6165. struct link_params *params,
  6166. struct link_vars *vars)
  6167. {
  6168. struct bnx2x *bp = params->bp;
  6169. if (phy->req_line_speed == SPEED_10 ||
  6170. phy->req_line_speed == SPEED_100) {
  6171. vars->flow_ctrl = phy->req_flow_ctrl;
  6172. return;
  6173. }
  6174. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6175. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6176. u16 pause_result;
  6177. u16 ld_pause; /* local */
  6178. u16 lp_pause; /* link partner */
  6179. bnx2x_cl45_read(bp, phy,
  6180. MDIO_AN_DEVAD,
  6181. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6182. bnx2x_cl45_read(bp, phy,
  6183. MDIO_AN_DEVAD,
  6184. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6185. pause_result = (ld_pause &
  6186. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6187. pause_result |= (lp_pause &
  6188. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6189. bnx2x_pause_resolve(vars, pause_result);
  6190. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6191. pause_result);
  6192. }
  6193. }
  6194. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6195. struct bnx2x_phy *phy,
  6196. u8 port)
  6197. {
  6198. u32 count = 0;
  6199. u16 fw_ver1, fw_msgout;
  6200. int rc = 0;
  6201. /* Boot port from external ROM */
  6202. /* EDC grst */
  6203. bnx2x_cl45_write(bp, phy,
  6204. MDIO_PMA_DEVAD,
  6205. MDIO_PMA_REG_GEN_CTRL,
  6206. 0x0001);
  6207. /* ucode reboot and rst */
  6208. bnx2x_cl45_write(bp, phy,
  6209. MDIO_PMA_DEVAD,
  6210. MDIO_PMA_REG_GEN_CTRL,
  6211. 0x008c);
  6212. bnx2x_cl45_write(bp, phy,
  6213. MDIO_PMA_DEVAD,
  6214. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6215. /* Reset internal microprocessor */
  6216. bnx2x_cl45_write(bp, phy,
  6217. MDIO_PMA_DEVAD,
  6218. MDIO_PMA_REG_GEN_CTRL,
  6219. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6220. /* Release srst bit */
  6221. bnx2x_cl45_write(bp, phy,
  6222. MDIO_PMA_DEVAD,
  6223. MDIO_PMA_REG_GEN_CTRL,
  6224. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6225. /* Delay 100ms per the PHY specifications */
  6226. msleep(100);
  6227. /* 8073 sometimes taking longer to download */
  6228. do {
  6229. count++;
  6230. if (count > 300) {
  6231. DP(NETIF_MSG_LINK,
  6232. "bnx2x_8073_8727_external_rom_boot port %x:"
  6233. "Download failed. fw version = 0x%x\n",
  6234. port, fw_ver1);
  6235. rc = -EINVAL;
  6236. break;
  6237. }
  6238. bnx2x_cl45_read(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6241. bnx2x_cl45_read(bp, phy,
  6242. MDIO_PMA_DEVAD,
  6243. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6244. msleep(1);
  6245. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6246. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6247. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6248. /* Clear ser_boot_ctl bit */
  6249. bnx2x_cl45_write(bp, phy,
  6250. MDIO_PMA_DEVAD,
  6251. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6252. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6253. DP(NETIF_MSG_LINK,
  6254. "bnx2x_8073_8727_external_rom_boot port %x:"
  6255. "Download complete. fw version = 0x%x\n",
  6256. port, fw_ver1);
  6257. return rc;
  6258. }
  6259. /******************************************************************/
  6260. /* BCM8073 PHY SECTION */
  6261. /******************************************************************/
  6262. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6263. {
  6264. /* This is only required for 8073A1, version 102 only */
  6265. u16 val;
  6266. /* Read 8073 HW revision*/
  6267. bnx2x_cl45_read(bp, phy,
  6268. MDIO_PMA_DEVAD,
  6269. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6270. if (val != 1) {
  6271. /* No need to workaround in 8073 A1 */
  6272. return 0;
  6273. }
  6274. bnx2x_cl45_read(bp, phy,
  6275. MDIO_PMA_DEVAD,
  6276. MDIO_PMA_REG_ROM_VER2, &val);
  6277. /* SNR should be applied only for version 0x102 */
  6278. if (val != 0x102)
  6279. return 0;
  6280. return 1;
  6281. }
  6282. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6283. {
  6284. u16 val, cnt, cnt1 ;
  6285. bnx2x_cl45_read(bp, phy,
  6286. MDIO_PMA_DEVAD,
  6287. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6288. if (val > 0) {
  6289. /* No need to workaround in 8073 A1 */
  6290. return 0;
  6291. }
  6292. /* XAUI workaround in 8073 A0: */
  6293. /* After loading the boot ROM and restarting Autoneg, poll
  6294. * Dev1, Reg $C820:
  6295. */
  6296. for (cnt = 0; cnt < 1000; cnt++) {
  6297. bnx2x_cl45_read(bp, phy,
  6298. MDIO_PMA_DEVAD,
  6299. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6300. &val);
  6301. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6302. * system initialization (XAUI work-around not required, as
  6303. * these bits indicate 2.5G or 1G link up).
  6304. */
  6305. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6306. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6307. return 0;
  6308. } else if (!(val & (1<<15))) {
  6309. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6310. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6311. * MSB (bit15) goes to 1 (indicating that the XAUI
  6312. * workaround has completed), then continue on with
  6313. * system initialization.
  6314. */
  6315. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6316. bnx2x_cl45_read(bp, phy,
  6317. MDIO_PMA_DEVAD,
  6318. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6319. if (val & (1<<15)) {
  6320. DP(NETIF_MSG_LINK,
  6321. "XAUI workaround has completed\n");
  6322. return 0;
  6323. }
  6324. msleep(3);
  6325. }
  6326. break;
  6327. }
  6328. msleep(3);
  6329. }
  6330. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6331. return -EINVAL;
  6332. }
  6333. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6334. {
  6335. /* Force KR or KX */
  6336. bnx2x_cl45_write(bp, phy,
  6337. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6338. bnx2x_cl45_write(bp, phy,
  6339. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6340. bnx2x_cl45_write(bp, phy,
  6341. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6342. bnx2x_cl45_write(bp, phy,
  6343. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6344. }
  6345. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6346. struct bnx2x_phy *phy,
  6347. struct link_vars *vars)
  6348. {
  6349. u16 cl37_val;
  6350. struct bnx2x *bp = params->bp;
  6351. bnx2x_cl45_read(bp, phy,
  6352. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6353. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6354. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6355. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6356. if ((vars->ieee_fc &
  6357. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6358. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6359. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6360. }
  6361. if ((vars->ieee_fc &
  6362. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6363. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6364. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6365. }
  6366. if ((vars->ieee_fc &
  6367. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6368. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6369. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6370. }
  6371. DP(NETIF_MSG_LINK,
  6372. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6373. bnx2x_cl45_write(bp, phy,
  6374. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6375. msleep(500);
  6376. }
  6377. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6378. struct link_params *params,
  6379. struct link_vars *vars)
  6380. {
  6381. struct bnx2x *bp = params->bp;
  6382. u16 val = 0, tmp1;
  6383. u8 gpio_port;
  6384. DP(NETIF_MSG_LINK, "Init 8073\n");
  6385. if (CHIP_IS_E2(bp))
  6386. gpio_port = BP_PATH(bp);
  6387. else
  6388. gpio_port = params->port;
  6389. /* Restore normal power mode*/
  6390. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6391. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6392. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6393. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6394. /* enable LASI */
  6395. bnx2x_cl45_write(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6397. bnx2x_cl45_write(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6399. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6400. bnx2x_cl45_read(bp, phy,
  6401. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6402. bnx2x_cl45_read(bp, phy,
  6403. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6404. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6405. /* Swap polarity if required - Must be done only in non-1G mode */
  6406. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6407. /* Configure the 8073 to swap _P and _N of the KR lines */
  6408. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6409. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6410. bnx2x_cl45_read(bp, phy,
  6411. MDIO_PMA_DEVAD,
  6412. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6413. bnx2x_cl45_write(bp, phy,
  6414. MDIO_PMA_DEVAD,
  6415. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6416. (val | (3<<9)));
  6417. }
  6418. /* Enable CL37 BAM */
  6419. if (REG_RD(bp, params->shmem_base +
  6420. offsetof(struct shmem_region, dev_info.
  6421. port_hw_config[params->port].default_cfg)) &
  6422. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6423. bnx2x_cl45_read(bp, phy,
  6424. MDIO_AN_DEVAD,
  6425. MDIO_AN_REG_8073_BAM, &val);
  6426. bnx2x_cl45_write(bp, phy,
  6427. MDIO_AN_DEVAD,
  6428. MDIO_AN_REG_8073_BAM, val | 1);
  6429. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6430. }
  6431. if (params->loopback_mode == LOOPBACK_EXT) {
  6432. bnx2x_807x_force_10G(bp, phy);
  6433. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6434. return 0;
  6435. } else {
  6436. bnx2x_cl45_write(bp, phy,
  6437. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6438. }
  6439. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6440. if (phy->req_line_speed == SPEED_10000) {
  6441. val = (1<<7);
  6442. } else if (phy->req_line_speed == SPEED_2500) {
  6443. val = (1<<5);
  6444. /* Note that 2.5G works only when used with 1G
  6445. * advertisement
  6446. */
  6447. } else
  6448. val = (1<<5);
  6449. } else {
  6450. val = 0;
  6451. if (phy->speed_cap_mask &
  6452. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6453. val |= (1<<7);
  6454. /* Note that 2.5G works only when used with 1G advertisement */
  6455. if (phy->speed_cap_mask &
  6456. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6457. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6458. val |= (1<<5);
  6459. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6460. }
  6461. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6462. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6463. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6464. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6465. (phy->req_line_speed == SPEED_2500)) {
  6466. u16 phy_ver;
  6467. /* Allow 2.5G for A1 and above */
  6468. bnx2x_cl45_read(bp, phy,
  6469. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6470. &phy_ver);
  6471. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6472. if (phy_ver > 0)
  6473. tmp1 |= 1;
  6474. else
  6475. tmp1 &= 0xfffe;
  6476. } else {
  6477. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6478. tmp1 &= 0xfffe;
  6479. }
  6480. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6481. /* Add support for CL37 (passive mode) II */
  6482. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6483. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6484. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6485. 0x20 : 0x40)));
  6486. /* Add support for CL37 (passive mode) III */
  6487. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6488. /* The SNR will improve about 2db by changing BW and FEE main
  6489. * tap. Rest commands are executed after link is up
  6490. * Change FFE main cursor to 5 in EDC register
  6491. */
  6492. if (bnx2x_8073_is_snr_needed(bp, phy))
  6493. bnx2x_cl45_write(bp, phy,
  6494. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6495. 0xFB0C);
  6496. /* Enable FEC (Forware Error Correction) Request in the AN */
  6497. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6498. tmp1 |= (1<<15);
  6499. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6500. bnx2x_ext_phy_set_pause(params, phy, vars);
  6501. /* Restart autoneg */
  6502. msleep(500);
  6503. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6504. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6505. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6506. return 0;
  6507. }
  6508. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6509. struct link_params *params,
  6510. struct link_vars *vars)
  6511. {
  6512. struct bnx2x *bp = params->bp;
  6513. u8 link_up = 0;
  6514. u16 val1, val2;
  6515. u16 link_status = 0;
  6516. u16 an1000_status = 0;
  6517. bnx2x_cl45_read(bp, phy,
  6518. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6519. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6520. /* clear the interrupt LASI status register */
  6521. bnx2x_cl45_read(bp, phy,
  6522. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6523. bnx2x_cl45_read(bp, phy,
  6524. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6525. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6526. /* Clear MSG-OUT */
  6527. bnx2x_cl45_read(bp, phy,
  6528. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6529. /* Check the LASI */
  6530. bnx2x_cl45_read(bp, phy,
  6531. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6532. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6533. /* Check the link status */
  6534. bnx2x_cl45_read(bp, phy,
  6535. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6536. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6539. bnx2x_cl45_read(bp, phy,
  6540. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6541. link_up = ((val1 & 4) == 4);
  6542. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6543. if (link_up &&
  6544. ((phy->req_line_speed != SPEED_10000))) {
  6545. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6546. return 0;
  6547. }
  6548. bnx2x_cl45_read(bp, phy,
  6549. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6550. bnx2x_cl45_read(bp, phy,
  6551. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6552. /* Check the link status on 1.1.2 */
  6553. bnx2x_cl45_read(bp, phy,
  6554. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6555. bnx2x_cl45_read(bp, phy,
  6556. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6557. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6558. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6559. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6560. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6561. /* The SNR will improve about 2dbby changing the BW and FEE main
  6562. * tap. The 1st write to change FFE main tap is set before
  6563. * restart AN. Change PLL Bandwidth in EDC register
  6564. */
  6565. bnx2x_cl45_write(bp, phy,
  6566. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6567. 0x26BC);
  6568. /* Change CDR Bandwidth in EDC register */
  6569. bnx2x_cl45_write(bp, phy,
  6570. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6571. 0x0333);
  6572. }
  6573. bnx2x_cl45_read(bp, phy,
  6574. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6575. &link_status);
  6576. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6577. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6578. link_up = 1;
  6579. vars->line_speed = SPEED_10000;
  6580. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6581. params->port);
  6582. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6583. link_up = 1;
  6584. vars->line_speed = SPEED_2500;
  6585. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6586. params->port);
  6587. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6588. link_up = 1;
  6589. vars->line_speed = SPEED_1000;
  6590. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6591. params->port);
  6592. } else {
  6593. link_up = 0;
  6594. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6595. params->port);
  6596. }
  6597. if (link_up) {
  6598. /* Swap polarity if required */
  6599. if (params->lane_config &
  6600. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6601. /* Configure the 8073 to swap P and N of the KR lines */
  6602. bnx2x_cl45_read(bp, phy,
  6603. MDIO_XS_DEVAD,
  6604. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6605. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6606. * when it`s in 10G mode.
  6607. */
  6608. if (vars->line_speed == SPEED_1000) {
  6609. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6610. "the 8073\n");
  6611. val1 |= (1<<3);
  6612. } else
  6613. val1 &= ~(1<<3);
  6614. bnx2x_cl45_write(bp, phy,
  6615. MDIO_XS_DEVAD,
  6616. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6617. val1);
  6618. }
  6619. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6620. bnx2x_8073_resolve_fc(phy, params, vars);
  6621. vars->duplex = DUPLEX_FULL;
  6622. }
  6623. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6624. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6625. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6626. if (val1 & (1<<5))
  6627. vars->link_status |=
  6628. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6629. if (val1 & (1<<7))
  6630. vars->link_status |=
  6631. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6632. }
  6633. return link_up;
  6634. }
  6635. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6636. struct link_params *params)
  6637. {
  6638. struct bnx2x *bp = params->bp;
  6639. u8 gpio_port;
  6640. if (CHIP_IS_E2(bp))
  6641. gpio_port = BP_PATH(bp);
  6642. else
  6643. gpio_port = params->port;
  6644. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6645. gpio_port);
  6646. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6647. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6648. gpio_port);
  6649. }
  6650. /******************************************************************/
  6651. /* BCM8705 PHY SECTION */
  6652. /******************************************************************/
  6653. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6654. struct link_params *params,
  6655. struct link_vars *vars)
  6656. {
  6657. struct bnx2x *bp = params->bp;
  6658. DP(NETIF_MSG_LINK, "init 8705\n");
  6659. /* Restore normal power mode*/
  6660. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6661. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6662. /* HW reset */
  6663. bnx2x_ext_phy_hw_reset(bp, params->port);
  6664. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6665. bnx2x_wait_reset_complete(bp, phy, params);
  6666. bnx2x_cl45_write(bp, phy,
  6667. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6668. bnx2x_cl45_write(bp, phy,
  6669. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6670. bnx2x_cl45_write(bp, phy,
  6671. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6672. bnx2x_cl45_write(bp, phy,
  6673. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6674. /* BCM8705 doesn't have microcode, hence the 0 */
  6675. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6676. return 0;
  6677. }
  6678. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6679. struct link_params *params,
  6680. struct link_vars *vars)
  6681. {
  6682. u8 link_up = 0;
  6683. u16 val1, rx_sd;
  6684. struct bnx2x *bp = params->bp;
  6685. DP(NETIF_MSG_LINK, "read status 8705\n");
  6686. bnx2x_cl45_read(bp, phy,
  6687. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6688. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6689. bnx2x_cl45_read(bp, phy,
  6690. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6691. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6692. bnx2x_cl45_read(bp, phy,
  6693. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6694. bnx2x_cl45_read(bp, phy,
  6695. MDIO_PMA_DEVAD, 0xc809, &val1);
  6696. bnx2x_cl45_read(bp, phy,
  6697. MDIO_PMA_DEVAD, 0xc809, &val1);
  6698. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6699. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6700. if (link_up) {
  6701. vars->line_speed = SPEED_10000;
  6702. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6703. }
  6704. return link_up;
  6705. }
  6706. /******************************************************************/
  6707. /* SFP+ module Section */
  6708. /******************************************************************/
  6709. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6710. struct bnx2x_phy *phy,
  6711. u8 pmd_dis)
  6712. {
  6713. struct bnx2x *bp = params->bp;
  6714. /* Disable transmitter only for bootcodes which can enable it afterwards
  6715. * (for D3 link)
  6716. */
  6717. if (pmd_dis) {
  6718. if (params->feature_config_flags &
  6719. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6720. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6721. else {
  6722. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6723. return;
  6724. }
  6725. } else
  6726. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6727. bnx2x_cl45_write(bp, phy,
  6728. MDIO_PMA_DEVAD,
  6729. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6730. }
  6731. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6732. {
  6733. u8 gpio_port;
  6734. u32 swap_val, swap_override;
  6735. struct bnx2x *bp = params->bp;
  6736. if (CHIP_IS_E2(bp))
  6737. gpio_port = BP_PATH(bp);
  6738. else
  6739. gpio_port = params->port;
  6740. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6741. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6742. return gpio_port ^ (swap_val && swap_override);
  6743. }
  6744. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6745. struct bnx2x_phy *phy,
  6746. u8 tx_en)
  6747. {
  6748. u16 val;
  6749. u8 port = params->port;
  6750. struct bnx2x *bp = params->bp;
  6751. u32 tx_en_mode;
  6752. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6753. tx_en_mode = REG_RD(bp, params->shmem_base +
  6754. offsetof(struct shmem_region,
  6755. dev_info.port_hw_config[port].sfp_ctrl)) &
  6756. PORT_HW_CFG_TX_LASER_MASK;
  6757. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6758. "mode = %x\n", tx_en, port, tx_en_mode);
  6759. switch (tx_en_mode) {
  6760. case PORT_HW_CFG_TX_LASER_MDIO:
  6761. bnx2x_cl45_read(bp, phy,
  6762. MDIO_PMA_DEVAD,
  6763. MDIO_PMA_REG_PHY_IDENTIFIER,
  6764. &val);
  6765. if (tx_en)
  6766. val &= ~(1<<15);
  6767. else
  6768. val |= (1<<15);
  6769. bnx2x_cl45_write(bp, phy,
  6770. MDIO_PMA_DEVAD,
  6771. MDIO_PMA_REG_PHY_IDENTIFIER,
  6772. val);
  6773. break;
  6774. case PORT_HW_CFG_TX_LASER_GPIO0:
  6775. case PORT_HW_CFG_TX_LASER_GPIO1:
  6776. case PORT_HW_CFG_TX_LASER_GPIO2:
  6777. case PORT_HW_CFG_TX_LASER_GPIO3:
  6778. {
  6779. u16 gpio_pin;
  6780. u8 gpio_port, gpio_mode;
  6781. if (tx_en)
  6782. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6783. else
  6784. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6785. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6786. gpio_port = bnx2x_get_gpio_port(params);
  6787. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6788. break;
  6789. }
  6790. default:
  6791. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6792. break;
  6793. }
  6794. }
  6795. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6796. struct bnx2x_phy *phy,
  6797. u8 tx_en)
  6798. {
  6799. struct bnx2x *bp = params->bp;
  6800. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6801. if (CHIP_IS_E3(bp))
  6802. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6803. else
  6804. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6805. }
  6806. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6807. struct link_params *params,
  6808. u16 addr, u8 byte_cnt, u8 *o_buf)
  6809. {
  6810. struct bnx2x *bp = params->bp;
  6811. u16 val = 0;
  6812. u16 i;
  6813. if (byte_cnt > 16) {
  6814. DP(NETIF_MSG_LINK,
  6815. "Reading from eeprom is limited to 0xf\n");
  6816. return -EINVAL;
  6817. }
  6818. /* Set the read command byte count */
  6819. bnx2x_cl45_write(bp, phy,
  6820. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6821. (byte_cnt | 0xa000));
  6822. /* Set the read command address */
  6823. bnx2x_cl45_write(bp, phy,
  6824. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6825. addr);
  6826. /* Activate read command */
  6827. bnx2x_cl45_write(bp, phy,
  6828. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6829. 0x2c0f);
  6830. /* Wait up to 500us for command complete status */
  6831. for (i = 0; i < 100; i++) {
  6832. bnx2x_cl45_read(bp, phy,
  6833. MDIO_PMA_DEVAD,
  6834. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6835. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6836. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6837. break;
  6838. udelay(5);
  6839. }
  6840. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6841. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6842. DP(NETIF_MSG_LINK,
  6843. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6844. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6845. return -EINVAL;
  6846. }
  6847. /* Read the buffer */
  6848. for (i = 0; i < byte_cnt; i++) {
  6849. bnx2x_cl45_read(bp, phy,
  6850. MDIO_PMA_DEVAD,
  6851. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6852. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6853. }
  6854. for (i = 0; i < 100; i++) {
  6855. bnx2x_cl45_read(bp, phy,
  6856. MDIO_PMA_DEVAD,
  6857. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6858. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6859. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6860. return 0;
  6861. msleep(1);
  6862. }
  6863. return -EINVAL;
  6864. }
  6865. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6866. struct link_params *params,
  6867. u16 addr, u8 byte_cnt,
  6868. u8 *o_buf)
  6869. {
  6870. int rc = 0;
  6871. u8 i, j = 0, cnt = 0;
  6872. u32 data_array[4];
  6873. u16 addr32;
  6874. struct bnx2x *bp = params->bp;
  6875. if (byte_cnt > 16) {
  6876. DP(NETIF_MSG_LINK,
  6877. "Reading from eeprom is limited to 16 bytes\n");
  6878. return -EINVAL;
  6879. }
  6880. /* 4 byte aligned address */
  6881. addr32 = addr & (~0x3);
  6882. do {
  6883. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6884. data_array);
  6885. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6886. if (rc == 0) {
  6887. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6888. o_buf[j] = *((u8 *)data_array + i);
  6889. j++;
  6890. }
  6891. }
  6892. return rc;
  6893. }
  6894. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6895. struct link_params *params,
  6896. u16 addr, u8 byte_cnt, u8 *o_buf)
  6897. {
  6898. struct bnx2x *bp = params->bp;
  6899. u16 val, i;
  6900. if (byte_cnt > 16) {
  6901. DP(NETIF_MSG_LINK,
  6902. "Reading from eeprom is limited to 0xf\n");
  6903. return -EINVAL;
  6904. }
  6905. /* Need to read from 1.8000 to clear it */
  6906. bnx2x_cl45_read(bp, phy,
  6907. MDIO_PMA_DEVAD,
  6908. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6909. &val);
  6910. /* Set the read command byte count */
  6911. bnx2x_cl45_write(bp, phy,
  6912. MDIO_PMA_DEVAD,
  6913. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6914. ((byte_cnt < 2) ? 2 : byte_cnt));
  6915. /* Set the read command address */
  6916. bnx2x_cl45_write(bp, phy,
  6917. MDIO_PMA_DEVAD,
  6918. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6919. addr);
  6920. /* Set the destination address */
  6921. bnx2x_cl45_write(bp, phy,
  6922. MDIO_PMA_DEVAD,
  6923. 0x8004,
  6924. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6925. /* Activate read command */
  6926. bnx2x_cl45_write(bp, phy,
  6927. MDIO_PMA_DEVAD,
  6928. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6929. 0x8002);
  6930. /* Wait appropriate time for two-wire command to finish before
  6931. * polling the status register
  6932. */
  6933. msleep(1);
  6934. /* Wait up to 500us for command complete status */
  6935. for (i = 0; i < 100; i++) {
  6936. bnx2x_cl45_read(bp, phy,
  6937. MDIO_PMA_DEVAD,
  6938. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6939. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6940. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6941. break;
  6942. udelay(5);
  6943. }
  6944. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6945. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6946. DP(NETIF_MSG_LINK,
  6947. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6948. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6949. return -EFAULT;
  6950. }
  6951. /* Read the buffer */
  6952. for (i = 0; i < byte_cnt; i++) {
  6953. bnx2x_cl45_read(bp, phy,
  6954. MDIO_PMA_DEVAD,
  6955. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6956. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6957. }
  6958. for (i = 0; i < 100; i++) {
  6959. bnx2x_cl45_read(bp, phy,
  6960. MDIO_PMA_DEVAD,
  6961. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6962. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6963. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6964. return 0;
  6965. msleep(1);
  6966. }
  6967. return -EINVAL;
  6968. }
  6969. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6970. struct link_params *params, u16 addr,
  6971. u8 byte_cnt, u8 *o_buf)
  6972. {
  6973. int rc = -EINVAL;
  6974. switch (phy->type) {
  6975. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6976. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6977. byte_cnt, o_buf);
  6978. break;
  6979. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6980. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6981. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6982. byte_cnt, o_buf);
  6983. break;
  6984. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6985. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6986. byte_cnt, o_buf);
  6987. break;
  6988. }
  6989. return rc;
  6990. }
  6991. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6992. struct link_params *params,
  6993. u16 *edc_mode)
  6994. {
  6995. struct bnx2x *bp = params->bp;
  6996. u32 sync_offset = 0, phy_idx, media_types;
  6997. u8 val, check_limiting_mode = 0;
  6998. *edc_mode = EDC_MODE_LIMITING;
  6999. phy->media_type = ETH_PHY_UNSPECIFIED;
  7000. /* First check for copper cable */
  7001. if (bnx2x_read_sfp_module_eeprom(phy,
  7002. params,
  7003. SFP_EEPROM_CON_TYPE_ADDR,
  7004. 1,
  7005. &val) != 0) {
  7006. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7007. return -EINVAL;
  7008. }
  7009. switch (val) {
  7010. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7011. {
  7012. u8 copper_module_type;
  7013. phy->media_type = ETH_PHY_DA_TWINAX;
  7014. /* Check if its active cable (includes SFP+ module)
  7015. * of passive cable
  7016. */
  7017. if (bnx2x_read_sfp_module_eeprom(phy,
  7018. params,
  7019. SFP_EEPROM_FC_TX_TECH_ADDR,
  7020. 1,
  7021. &copper_module_type) != 0) {
  7022. DP(NETIF_MSG_LINK,
  7023. "Failed to read copper-cable-type"
  7024. " from SFP+ EEPROM\n");
  7025. return -EINVAL;
  7026. }
  7027. if (copper_module_type &
  7028. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7029. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7030. check_limiting_mode = 1;
  7031. } else if (copper_module_type &
  7032. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7033. DP(NETIF_MSG_LINK,
  7034. "Passive Copper cable detected\n");
  7035. *edc_mode =
  7036. EDC_MODE_PASSIVE_DAC;
  7037. } else {
  7038. DP(NETIF_MSG_LINK,
  7039. "Unknown copper-cable-type 0x%x !!!\n",
  7040. copper_module_type);
  7041. return -EINVAL;
  7042. }
  7043. break;
  7044. }
  7045. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7046. phy->media_type = ETH_PHY_SFP_FIBER;
  7047. DP(NETIF_MSG_LINK, "Optic module detected\n");
  7048. check_limiting_mode = 1;
  7049. break;
  7050. default:
  7051. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7052. val);
  7053. return -EINVAL;
  7054. }
  7055. sync_offset = params->shmem_base +
  7056. offsetof(struct shmem_region,
  7057. dev_info.port_hw_config[params->port].media_type);
  7058. media_types = REG_RD(bp, sync_offset);
  7059. /* Update media type for non-PMF sync */
  7060. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7061. if (&(params->phy[phy_idx]) == phy) {
  7062. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7063. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7064. media_types |= ((phy->media_type &
  7065. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7066. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7067. break;
  7068. }
  7069. }
  7070. REG_WR(bp, sync_offset, media_types);
  7071. if (check_limiting_mode) {
  7072. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7073. if (bnx2x_read_sfp_module_eeprom(phy,
  7074. params,
  7075. SFP_EEPROM_OPTIONS_ADDR,
  7076. SFP_EEPROM_OPTIONS_SIZE,
  7077. options) != 0) {
  7078. DP(NETIF_MSG_LINK,
  7079. "Failed to read Option field from module EEPROM\n");
  7080. return -EINVAL;
  7081. }
  7082. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7083. *edc_mode = EDC_MODE_LINEAR;
  7084. else
  7085. *edc_mode = EDC_MODE_LIMITING;
  7086. }
  7087. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7088. return 0;
  7089. }
  7090. /* This function read the relevant field from the module (SFP+), and verify it
  7091. * is compliant with this board
  7092. */
  7093. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7094. struct link_params *params)
  7095. {
  7096. struct bnx2x *bp = params->bp;
  7097. u32 val, cmd;
  7098. u32 fw_resp, fw_cmd_param;
  7099. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7100. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7101. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7102. val = REG_RD(bp, params->shmem_base +
  7103. offsetof(struct shmem_region, dev_info.
  7104. port_feature_config[params->port].config));
  7105. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7106. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7107. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7108. return 0;
  7109. }
  7110. if (params->feature_config_flags &
  7111. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7112. /* Use specific phy request */
  7113. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7114. } else if (params->feature_config_flags &
  7115. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7116. /* Use first phy request only in case of non-dual media*/
  7117. if (DUAL_MEDIA(params)) {
  7118. DP(NETIF_MSG_LINK,
  7119. "FW does not support OPT MDL verification\n");
  7120. return -EINVAL;
  7121. }
  7122. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7123. } else {
  7124. /* No support in OPT MDL detection */
  7125. DP(NETIF_MSG_LINK,
  7126. "FW does not support OPT MDL verification\n");
  7127. return -EINVAL;
  7128. }
  7129. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7130. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7131. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7132. DP(NETIF_MSG_LINK, "Approved module\n");
  7133. return 0;
  7134. }
  7135. /* format the warning message */
  7136. if (bnx2x_read_sfp_module_eeprom(phy,
  7137. params,
  7138. SFP_EEPROM_VENDOR_NAME_ADDR,
  7139. SFP_EEPROM_VENDOR_NAME_SIZE,
  7140. (u8 *)vendor_name))
  7141. vendor_name[0] = '\0';
  7142. else
  7143. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7144. if (bnx2x_read_sfp_module_eeprom(phy,
  7145. params,
  7146. SFP_EEPROM_PART_NO_ADDR,
  7147. SFP_EEPROM_PART_NO_SIZE,
  7148. (u8 *)vendor_pn))
  7149. vendor_pn[0] = '\0';
  7150. else
  7151. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7152. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7153. " Port %d from %s part number %s\n",
  7154. params->port, vendor_name, vendor_pn);
  7155. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7156. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7157. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7158. return -EINVAL;
  7159. }
  7160. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7161. struct link_params *params)
  7162. {
  7163. u8 val;
  7164. struct bnx2x *bp = params->bp;
  7165. u16 timeout;
  7166. /* Initialization time after hot-plug may take up to 300ms for
  7167. * some phys type ( e.g. JDSU )
  7168. */
  7169. for (timeout = 0; timeout < 60; timeout++) {
  7170. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7171. == 0) {
  7172. DP(NETIF_MSG_LINK,
  7173. "SFP+ module initialization took %d ms\n",
  7174. timeout * 5);
  7175. return 0;
  7176. }
  7177. msleep(5);
  7178. }
  7179. return -EINVAL;
  7180. }
  7181. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7182. struct bnx2x_phy *phy,
  7183. u8 is_power_up) {
  7184. /* Make sure GPIOs are not using for LED mode */
  7185. u16 val;
  7186. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7187. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7188. * output
  7189. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7190. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7191. * where the 1st bit is the over-current(only input), and 2nd bit is
  7192. * for power( only output )
  7193. *
  7194. * In case of NOC feature is disabled and power is up, set GPIO control
  7195. * as input to enable listening of over-current indication
  7196. */
  7197. if (phy->flags & FLAGS_NOC)
  7198. return;
  7199. if (is_power_up)
  7200. val = (1<<4);
  7201. else
  7202. /* Set GPIO control to OUTPUT, and set the power bit
  7203. * to according to the is_power_up
  7204. */
  7205. val = (1<<1);
  7206. bnx2x_cl45_write(bp, phy,
  7207. MDIO_PMA_DEVAD,
  7208. MDIO_PMA_REG_8727_GPIO_CTRL,
  7209. val);
  7210. }
  7211. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7212. struct bnx2x_phy *phy,
  7213. u16 edc_mode)
  7214. {
  7215. u16 cur_limiting_mode;
  7216. bnx2x_cl45_read(bp, phy,
  7217. MDIO_PMA_DEVAD,
  7218. MDIO_PMA_REG_ROM_VER2,
  7219. &cur_limiting_mode);
  7220. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7221. cur_limiting_mode);
  7222. if (edc_mode == EDC_MODE_LIMITING) {
  7223. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7224. bnx2x_cl45_write(bp, phy,
  7225. MDIO_PMA_DEVAD,
  7226. MDIO_PMA_REG_ROM_VER2,
  7227. EDC_MODE_LIMITING);
  7228. } else { /* LRM mode ( default )*/
  7229. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7230. /* Changing to LRM mode takes quite few seconds. So do it only
  7231. * if current mode is limiting (default is LRM)
  7232. */
  7233. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7234. return 0;
  7235. bnx2x_cl45_write(bp, phy,
  7236. MDIO_PMA_DEVAD,
  7237. MDIO_PMA_REG_LRM_MODE,
  7238. 0);
  7239. bnx2x_cl45_write(bp, phy,
  7240. MDIO_PMA_DEVAD,
  7241. MDIO_PMA_REG_ROM_VER2,
  7242. 0x128);
  7243. bnx2x_cl45_write(bp, phy,
  7244. MDIO_PMA_DEVAD,
  7245. MDIO_PMA_REG_MISC_CTRL0,
  7246. 0x4008);
  7247. bnx2x_cl45_write(bp, phy,
  7248. MDIO_PMA_DEVAD,
  7249. MDIO_PMA_REG_LRM_MODE,
  7250. 0xaaaa);
  7251. }
  7252. return 0;
  7253. }
  7254. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7255. struct bnx2x_phy *phy,
  7256. u16 edc_mode)
  7257. {
  7258. u16 phy_identifier;
  7259. u16 rom_ver2_val;
  7260. bnx2x_cl45_read(bp, phy,
  7261. MDIO_PMA_DEVAD,
  7262. MDIO_PMA_REG_PHY_IDENTIFIER,
  7263. &phy_identifier);
  7264. bnx2x_cl45_write(bp, phy,
  7265. MDIO_PMA_DEVAD,
  7266. MDIO_PMA_REG_PHY_IDENTIFIER,
  7267. (phy_identifier & ~(1<<9)));
  7268. bnx2x_cl45_read(bp, phy,
  7269. MDIO_PMA_DEVAD,
  7270. MDIO_PMA_REG_ROM_VER2,
  7271. &rom_ver2_val);
  7272. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7273. bnx2x_cl45_write(bp, phy,
  7274. MDIO_PMA_DEVAD,
  7275. MDIO_PMA_REG_ROM_VER2,
  7276. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7277. bnx2x_cl45_write(bp, phy,
  7278. MDIO_PMA_DEVAD,
  7279. MDIO_PMA_REG_PHY_IDENTIFIER,
  7280. (phy_identifier | (1<<9)));
  7281. return 0;
  7282. }
  7283. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7284. struct link_params *params,
  7285. u32 action)
  7286. {
  7287. struct bnx2x *bp = params->bp;
  7288. switch (action) {
  7289. case DISABLE_TX:
  7290. bnx2x_sfp_set_transmitter(params, phy, 0);
  7291. break;
  7292. case ENABLE_TX:
  7293. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7294. bnx2x_sfp_set_transmitter(params, phy, 1);
  7295. break;
  7296. default:
  7297. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7298. action);
  7299. return;
  7300. }
  7301. }
  7302. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7303. u8 gpio_mode)
  7304. {
  7305. struct bnx2x *bp = params->bp;
  7306. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7307. offsetof(struct shmem_region,
  7308. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7309. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7310. switch (fault_led_gpio) {
  7311. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7312. return;
  7313. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7314. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7315. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7316. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7317. {
  7318. u8 gpio_port = bnx2x_get_gpio_port(params);
  7319. u16 gpio_pin = fault_led_gpio -
  7320. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7321. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7322. "pin %x port %x mode %x\n",
  7323. gpio_pin, gpio_port, gpio_mode);
  7324. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7325. }
  7326. break;
  7327. default:
  7328. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7329. fault_led_gpio);
  7330. }
  7331. }
  7332. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7333. u8 gpio_mode)
  7334. {
  7335. u32 pin_cfg;
  7336. u8 port = params->port;
  7337. struct bnx2x *bp = params->bp;
  7338. pin_cfg = (REG_RD(bp, params->shmem_base +
  7339. offsetof(struct shmem_region,
  7340. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7341. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7342. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7343. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7344. gpio_mode, pin_cfg);
  7345. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7346. }
  7347. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7348. u8 gpio_mode)
  7349. {
  7350. struct bnx2x *bp = params->bp;
  7351. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7352. if (CHIP_IS_E3(bp)) {
  7353. /* Low ==> if SFP+ module is supported otherwise
  7354. * High ==> if SFP+ module is not on the approved vendor list
  7355. */
  7356. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7357. } else
  7358. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7359. }
  7360. static void bnx2x_warpcore_power_module(struct link_params *params,
  7361. struct bnx2x_phy *phy,
  7362. u8 power)
  7363. {
  7364. u32 pin_cfg;
  7365. struct bnx2x *bp = params->bp;
  7366. pin_cfg = (REG_RD(bp, params->shmem_base +
  7367. offsetof(struct shmem_region,
  7368. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7369. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7370. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7371. if (pin_cfg == PIN_CFG_NA)
  7372. return;
  7373. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7374. power, pin_cfg);
  7375. /* Low ==> corresponding SFP+ module is powered
  7376. * high ==> the SFP+ module is powered down
  7377. */
  7378. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7379. }
  7380. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7381. struct link_params *params)
  7382. {
  7383. struct bnx2x *bp = params->bp;
  7384. bnx2x_warpcore_power_module(params, phy, 0);
  7385. /* Put Warpcore in low power mode */
  7386. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7387. /* Put LCPLL in low power mode */
  7388. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7389. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7390. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7391. }
  7392. static void bnx2x_power_sfp_module(struct link_params *params,
  7393. struct bnx2x_phy *phy,
  7394. u8 power)
  7395. {
  7396. struct bnx2x *bp = params->bp;
  7397. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7398. switch (phy->type) {
  7399. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7400. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7401. bnx2x_8727_power_module(params->bp, phy, power);
  7402. break;
  7403. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7404. bnx2x_warpcore_power_module(params, phy, power);
  7405. break;
  7406. default:
  7407. break;
  7408. }
  7409. }
  7410. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7411. struct bnx2x_phy *phy,
  7412. u16 edc_mode)
  7413. {
  7414. u16 val = 0;
  7415. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7416. struct bnx2x *bp = params->bp;
  7417. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7418. /* This is a global register which controls all lanes */
  7419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7420. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7421. val &= ~(0xf << (lane << 2));
  7422. switch (edc_mode) {
  7423. case EDC_MODE_LINEAR:
  7424. case EDC_MODE_LIMITING:
  7425. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7426. break;
  7427. case EDC_MODE_PASSIVE_DAC:
  7428. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7429. break;
  7430. default:
  7431. break;
  7432. }
  7433. val |= (mode << (lane << 2));
  7434. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7435. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7436. /* A must read */
  7437. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7438. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7439. /* Restart microcode to re-read the new mode */
  7440. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7441. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7442. }
  7443. static void bnx2x_set_limiting_mode(struct link_params *params,
  7444. struct bnx2x_phy *phy,
  7445. u16 edc_mode)
  7446. {
  7447. switch (phy->type) {
  7448. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7449. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7450. break;
  7451. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7452. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7453. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7454. break;
  7455. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7456. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7457. break;
  7458. }
  7459. }
  7460. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7461. struct link_params *params)
  7462. {
  7463. struct bnx2x *bp = params->bp;
  7464. u16 edc_mode;
  7465. int rc = 0;
  7466. u32 val = REG_RD(bp, params->shmem_base +
  7467. offsetof(struct shmem_region, dev_info.
  7468. port_feature_config[params->port].config));
  7469. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7470. params->port);
  7471. /* Power up module */
  7472. bnx2x_power_sfp_module(params, phy, 1);
  7473. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7474. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7475. return -EINVAL;
  7476. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7477. /* check SFP+ module compatibility */
  7478. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7479. rc = -EINVAL;
  7480. /* Turn on fault module-detected led */
  7481. bnx2x_set_sfp_module_fault_led(params,
  7482. MISC_REGISTERS_GPIO_HIGH);
  7483. /* Check if need to power down the SFP+ module */
  7484. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7485. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7486. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7487. bnx2x_power_sfp_module(params, phy, 0);
  7488. return rc;
  7489. }
  7490. } else {
  7491. /* Turn off fault module-detected led */
  7492. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7493. }
  7494. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7495. * is done automatically
  7496. */
  7497. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7498. /* Enable transmit for this module if the module is approved, or
  7499. * if unapproved modules should also enable the Tx laser
  7500. */
  7501. if (rc == 0 ||
  7502. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7503. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7504. bnx2x_sfp_set_transmitter(params, phy, 1);
  7505. else
  7506. bnx2x_sfp_set_transmitter(params, phy, 0);
  7507. return rc;
  7508. }
  7509. void bnx2x_handle_module_detect_int(struct link_params *params)
  7510. {
  7511. struct bnx2x *bp = params->bp;
  7512. struct bnx2x_phy *phy;
  7513. u32 gpio_val;
  7514. u8 gpio_num, gpio_port;
  7515. if (CHIP_IS_E3(bp))
  7516. phy = &params->phy[INT_PHY];
  7517. else
  7518. phy = &params->phy[EXT_PHY1];
  7519. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7520. params->port, &gpio_num, &gpio_port) ==
  7521. -EINVAL) {
  7522. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7523. return;
  7524. }
  7525. /* Set valid module led off */
  7526. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7527. /* Get current gpio val reflecting module plugged in / out*/
  7528. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7529. /* Call the handling function in case module is detected */
  7530. if (gpio_val == 0) {
  7531. bnx2x_power_sfp_module(params, phy, 1);
  7532. bnx2x_set_gpio_int(bp, gpio_num,
  7533. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7534. gpio_port);
  7535. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7536. bnx2x_sfp_module_detection(phy, params);
  7537. else
  7538. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7539. } else {
  7540. u32 val = REG_RD(bp, params->shmem_base +
  7541. offsetof(struct shmem_region, dev_info.
  7542. port_feature_config[params->port].
  7543. config));
  7544. bnx2x_set_gpio_int(bp, gpio_num,
  7545. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7546. gpio_port);
  7547. /* Module was plugged out.
  7548. * Disable transmit for this module
  7549. */
  7550. phy->media_type = ETH_PHY_NOT_PRESENT;
  7551. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7552. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7553. CHIP_IS_E3(bp))
  7554. bnx2x_sfp_set_transmitter(params, phy, 0);
  7555. }
  7556. }
  7557. /******************************************************************/
  7558. /* Used by 8706 and 8727 */
  7559. /******************************************************************/
  7560. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7561. struct bnx2x_phy *phy,
  7562. u16 alarm_status_offset,
  7563. u16 alarm_ctrl_offset)
  7564. {
  7565. u16 alarm_status, val;
  7566. bnx2x_cl45_read(bp, phy,
  7567. MDIO_PMA_DEVAD, alarm_status_offset,
  7568. &alarm_status);
  7569. bnx2x_cl45_read(bp, phy,
  7570. MDIO_PMA_DEVAD, alarm_status_offset,
  7571. &alarm_status);
  7572. /* Mask or enable the fault event. */
  7573. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7574. if (alarm_status & (1<<0))
  7575. val &= ~(1<<0);
  7576. else
  7577. val |= (1<<0);
  7578. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7579. }
  7580. /******************************************************************/
  7581. /* common BCM8706/BCM8726 PHY SECTION */
  7582. /******************************************************************/
  7583. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7584. struct link_params *params,
  7585. struct link_vars *vars)
  7586. {
  7587. u8 link_up = 0;
  7588. u16 val1, val2, rx_sd, pcs_status;
  7589. struct bnx2x *bp = params->bp;
  7590. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7591. /* Clear RX Alarm*/
  7592. bnx2x_cl45_read(bp, phy,
  7593. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7594. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7595. MDIO_PMA_LASI_TXCTRL);
  7596. /* clear LASI indication*/
  7597. bnx2x_cl45_read(bp, phy,
  7598. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7599. bnx2x_cl45_read(bp, phy,
  7600. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7601. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7602. bnx2x_cl45_read(bp, phy,
  7603. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7604. bnx2x_cl45_read(bp, phy,
  7605. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7606. bnx2x_cl45_read(bp, phy,
  7607. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7608. bnx2x_cl45_read(bp, phy,
  7609. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7610. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7611. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7612. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7613. * are set, or if the autoneg bit 1 is set
  7614. */
  7615. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7616. if (link_up) {
  7617. if (val2 & (1<<1))
  7618. vars->line_speed = SPEED_1000;
  7619. else
  7620. vars->line_speed = SPEED_10000;
  7621. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7622. vars->duplex = DUPLEX_FULL;
  7623. }
  7624. /* Capture 10G link fault. Read twice to clear stale value. */
  7625. if (vars->line_speed == SPEED_10000) {
  7626. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7627. MDIO_PMA_LASI_TXSTAT, &val1);
  7628. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7629. MDIO_PMA_LASI_TXSTAT, &val1);
  7630. if (val1 & (1<<0))
  7631. vars->fault_detected = 1;
  7632. }
  7633. return link_up;
  7634. }
  7635. /******************************************************************/
  7636. /* BCM8706 PHY SECTION */
  7637. /******************************************************************/
  7638. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7639. struct link_params *params,
  7640. struct link_vars *vars)
  7641. {
  7642. u32 tx_en_mode;
  7643. u16 cnt, val, tmp1;
  7644. struct bnx2x *bp = params->bp;
  7645. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7646. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7647. /* HW reset */
  7648. bnx2x_ext_phy_hw_reset(bp, params->port);
  7649. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7650. bnx2x_wait_reset_complete(bp, phy, params);
  7651. /* Wait until fw is loaded */
  7652. for (cnt = 0; cnt < 100; cnt++) {
  7653. bnx2x_cl45_read(bp, phy,
  7654. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7655. if (val)
  7656. break;
  7657. msleep(10);
  7658. }
  7659. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7660. if ((params->feature_config_flags &
  7661. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7662. u8 i;
  7663. u16 reg;
  7664. for (i = 0; i < 4; i++) {
  7665. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7666. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7667. MDIO_XS_8706_REG_BANK_RX0);
  7668. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7669. /* Clear first 3 bits of the control */
  7670. val &= ~0x7;
  7671. /* Set control bits according to configuration */
  7672. val |= (phy->rx_preemphasis[i] & 0x7);
  7673. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7674. " reg 0x%x <-- val 0x%x\n", reg, val);
  7675. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7676. }
  7677. }
  7678. /* Force speed */
  7679. if (phy->req_line_speed == SPEED_10000) {
  7680. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7681. bnx2x_cl45_write(bp, phy,
  7682. MDIO_PMA_DEVAD,
  7683. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7684. bnx2x_cl45_write(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7686. 0);
  7687. /* Arm LASI for link and Tx fault. */
  7688. bnx2x_cl45_write(bp, phy,
  7689. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7690. } else {
  7691. /* Force 1Gbps using autoneg with 1G advertisement */
  7692. /* Allow CL37 through CL73 */
  7693. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7696. /* Enable Full-Duplex advertisement on CL37 */
  7697. bnx2x_cl45_write(bp, phy,
  7698. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7699. /* Enable CL37 AN */
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7702. /* 1G support */
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7705. /* Enable clause 73 AN */
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7710. 0x0400);
  7711. bnx2x_cl45_write(bp, phy,
  7712. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7713. 0x0004);
  7714. }
  7715. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7716. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7717. * power mode, if TX Laser is disabled
  7718. */
  7719. tx_en_mode = REG_RD(bp, params->shmem_base +
  7720. offsetof(struct shmem_region,
  7721. dev_info.port_hw_config[params->port].sfp_ctrl))
  7722. & PORT_HW_CFG_TX_LASER_MASK;
  7723. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7724. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7725. bnx2x_cl45_read(bp, phy,
  7726. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7727. tmp1 |= 0x1;
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7730. }
  7731. return 0;
  7732. }
  7733. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7734. struct link_params *params,
  7735. struct link_vars *vars)
  7736. {
  7737. return bnx2x_8706_8726_read_status(phy, params, vars);
  7738. }
  7739. /******************************************************************/
  7740. /* BCM8726 PHY SECTION */
  7741. /******************************************************************/
  7742. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7743. struct link_params *params)
  7744. {
  7745. struct bnx2x *bp = params->bp;
  7746. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7747. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7748. }
  7749. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7750. struct link_params *params)
  7751. {
  7752. struct bnx2x *bp = params->bp;
  7753. /* Need to wait 100ms after reset */
  7754. msleep(100);
  7755. /* Micro controller re-boot */
  7756. bnx2x_cl45_write(bp, phy,
  7757. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7758. /* Set soft reset */
  7759. bnx2x_cl45_write(bp, phy,
  7760. MDIO_PMA_DEVAD,
  7761. MDIO_PMA_REG_GEN_CTRL,
  7762. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7763. bnx2x_cl45_write(bp, phy,
  7764. MDIO_PMA_DEVAD,
  7765. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7766. bnx2x_cl45_write(bp, phy,
  7767. MDIO_PMA_DEVAD,
  7768. MDIO_PMA_REG_GEN_CTRL,
  7769. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7770. /* wait for 150ms for microcode load */
  7771. msleep(150);
  7772. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD,
  7775. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7776. msleep(200);
  7777. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7778. }
  7779. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7780. struct link_params *params,
  7781. struct link_vars *vars)
  7782. {
  7783. struct bnx2x *bp = params->bp;
  7784. u16 val1;
  7785. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7786. if (link_up) {
  7787. bnx2x_cl45_read(bp, phy,
  7788. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7789. &val1);
  7790. if (val1 & (1<<15)) {
  7791. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7792. link_up = 0;
  7793. vars->line_speed = 0;
  7794. }
  7795. }
  7796. return link_up;
  7797. }
  7798. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7799. struct link_params *params,
  7800. struct link_vars *vars)
  7801. {
  7802. struct bnx2x *bp = params->bp;
  7803. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7804. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7805. bnx2x_wait_reset_complete(bp, phy, params);
  7806. bnx2x_8726_external_rom_boot(phy, params);
  7807. /* Need to call module detected on initialization since the module
  7808. * detection triggered by actual module insertion might occur before
  7809. * driver is loaded, and when driver is loaded, it reset all
  7810. * registers, including the transmitter
  7811. */
  7812. bnx2x_sfp_module_detection(phy, params);
  7813. if (phy->req_line_speed == SPEED_1000) {
  7814. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7815. bnx2x_cl45_write(bp, phy,
  7816. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7817. bnx2x_cl45_write(bp, phy,
  7818. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7819. bnx2x_cl45_write(bp, phy,
  7820. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7821. bnx2x_cl45_write(bp, phy,
  7822. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7823. 0x400);
  7824. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7825. (phy->speed_cap_mask &
  7826. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7827. ((phy->speed_cap_mask &
  7828. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7829. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7830. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7831. /* Set Flow control */
  7832. bnx2x_ext_phy_set_pause(params, phy, vars);
  7833. bnx2x_cl45_write(bp, phy,
  7834. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7835. bnx2x_cl45_write(bp, phy,
  7836. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7839. bnx2x_cl45_write(bp, phy,
  7840. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7841. bnx2x_cl45_write(bp, phy,
  7842. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7843. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7844. * change
  7845. */
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7850. 0x400);
  7851. } else { /* Default 10G. Set only LASI control */
  7852. bnx2x_cl45_write(bp, phy,
  7853. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7854. }
  7855. /* Set TX PreEmphasis if needed */
  7856. if ((params->feature_config_flags &
  7857. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7858. DP(NETIF_MSG_LINK,
  7859. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7860. phy->tx_preemphasis[0],
  7861. phy->tx_preemphasis[1]);
  7862. bnx2x_cl45_write(bp, phy,
  7863. MDIO_PMA_DEVAD,
  7864. MDIO_PMA_REG_8726_TX_CTRL1,
  7865. phy->tx_preemphasis[0]);
  7866. bnx2x_cl45_write(bp, phy,
  7867. MDIO_PMA_DEVAD,
  7868. MDIO_PMA_REG_8726_TX_CTRL2,
  7869. phy->tx_preemphasis[1]);
  7870. }
  7871. return 0;
  7872. }
  7873. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7874. struct link_params *params)
  7875. {
  7876. struct bnx2x *bp = params->bp;
  7877. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7878. /* Set serial boot control for external load */
  7879. bnx2x_cl45_write(bp, phy,
  7880. MDIO_PMA_DEVAD,
  7881. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7882. }
  7883. /******************************************************************/
  7884. /* BCM8727 PHY SECTION */
  7885. /******************************************************************/
  7886. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7887. struct link_params *params, u8 mode)
  7888. {
  7889. struct bnx2x *bp = params->bp;
  7890. u16 led_mode_bitmask = 0;
  7891. u16 gpio_pins_bitmask = 0;
  7892. u16 val;
  7893. /* Only NOC flavor requires to set the LED specifically */
  7894. if (!(phy->flags & FLAGS_NOC))
  7895. return;
  7896. switch (mode) {
  7897. case LED_MODE_FRONT_PANEL_OFF:
  7898. case LED_MODE_OFF:
  7899. led_mode_bitmask = 0;
  7900. gpio_pins_bitmask = 0x03;
  7901. break;
  7902. case LED_MODE_ON:
  7903. led_mode_bitmask = 0;
  7904. gpio_pins_bitmask = 0x02;
  7905. break;
  7906. case LED_MODE_OPER:
  7907. led_mode_bitmask = 0x60;
  7908. gpio_pins_bitmask = 0x11;
  7909. break;
  7910. }
  7911. bnx2x_cl45_read(bp, phy,
  7912. MDIO_PMA_DEVAD,
  7913. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7914. &val);
  7915. val &= 0xff8f;
  7916. val |= led_mode_bitmask;
  7917. bnx2x_cl45_write(bp, phy,
  7918. MDIO_PMA_DEVAD,
  7919. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7920. val);
  7921. bnx2x_cl45_read(bp, phy,
  7922. MDIO_PMA_DEVAD,
  7923. MDIO_PMA_REG_8727_GPIO_CTRL,
  7924. &val);
  7925. val &= 0xffe0;
  7926. val |= gpio_pins_bitmask;
  7927. bnx2x_cl45_write(bp, phy,
  7928. MDIO_PMA_DEVAD,
  7929. MDIO_PMA_REG_8727_GPIO_CTRL,
  7930. val);
  7931. }
  7932. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7933. struct link_params *params) {
  7934. u32 swap_val, swap_override;
  7935. u8 port;
  7936. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7937. * to cancel the swap done in set_gpio()
  7938. */
  7939. struct bnx2x *bp = params->bp;
  7940. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7941. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7942. port = (swap_val && swap_override) ^ 1;
  7943. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7944. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7945. }
  7946. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7947. struct link_params *params,
  7948. struct link_vars *vars)
  7949. {
  7950. u32 tx_en_mode;
  7951. u16 tmp1, val, mod_abs, tmp2;
  7952. u16 rx_alarm_ctrl_val;
  7953. u16 lasi_ctrl_val;
  7954. struct bnx2x *bp = params->bp;
  7955. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7956. bnx2x_wait_reset_complete(bp, phy, params);
  7957. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7958. /* Should be 0x6 to enable XS on Tx side. */
  7959. lasi_ctrl_val = 0x0006;
  7960. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7961. /* enable LASI */
  7962. bnx2x_cl45_write(bp, phy,
  7963. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7964. rx_alarm_ctrl_val);
  7965. bnx2x_cl45_write(bp, phy,
  7966. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7967. 0);
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7970. /* Initially configure MOD_ABS to interrupt when module is
  7971. * presence( bit 8)
  7972. */
  7973. bnx2x_cl45_read(bp, phy,
  7974. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7975. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7976. * When the EDC is off it locks onto a reference clock and avoids
  7977. * becoming 'lost'
  7978. */
  7979. mod_abs &= ~(1<<8);
  7980. if (!(phy->flags & FLAGS_NOC))
  7981. mod_abs &= ~(1<<9);
  7982. bnx2x_cl45_write(bp, phy,
  7983. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7984. /* Enable/Disable PHY transmitter output */
  7985. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7986. /* Make MOD_ABS give interrupt on change */
  7987. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7988. &val);
  7989. val |= (1<<12);
  7990. if (phy->flags & FLAGS_NOC)
  7991. val |= (3<<5);
  7992. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7993. * status which reflect SFP+ module over-current
  7994. */
  7995. if (!(phy->flags & FLAGS_NOC))
  7996. val &= 0xff8f; /* Reset bits 4-6 */
  7997. bnx2x_cl45_write(bp, phy,
  7998. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7999. bnx2x_8727_power_module(bp, phy, 1);
  8000. bnx2x_cl45_read(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8002. bnx2x_cl45_read(bp, phy,
  8003. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8004. /* Set option 1G speed */
  8005. if (phy->req_line_speed == SPEED_1000) {
  8006. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8011. bnx2x_cl45_read(bp, phy,
  8012. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8013. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8014. /* Power down the XAUI until link is up in case of dual-media
  8015. * and 1G
  8016. */
  8017. if (DUAL_MEDIA(params)) {
  8018. bnx2x_cl45_read(bp, phy,
  8019. MDIO_PMA_DEVAD,
  8020. MDIO_PMA_REG_8727_PCS_GP, &val);
  8021. val |= (3<<10);
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD,
  8024. MDIO_PMA_REG_8727_PCS_GP, val);
  8025. }
  8026. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8027. ((phy->speed_cap_mask &
  8028. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8029. ((phy->speed_cap_mask &
  8030. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8031. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8032. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8033. bnx2x_cl45_write(bp, phy,
  8034. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8035. bnx2x_cl45_write(bp, phy,
  8036. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8037. } else {
  8038. /* Since the 8727 has only single reset pin, need to set the 10G
  8039. * registers although it is default
  8040. */
  8041. bnx2x_cl45_write(bp, phy,
  8042. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8043. 0x0020);
  8044. bnx2x_cl45_write(bp, phy,
  8045. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8048. bnx2x_cl45_write(bp, phy,
  8049. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8050. 0x0008);
  8051. }
  8052. /* Set 2-wire transfer rate of SFP+ module EEPROM
  8053. * to 100Khz since some DACs(direct attached cables) do
  8054. * not work at 400Khz.
  8055. */
  8056. bnx2x_cl45_write(bp, phy,
  8057. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8058. 0xa001);
  8059. /* Set TX PreEmphasis if needed */
  8060. if ((params->feature_config_flags &
  8061. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8062. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8063. phy->tx_preemphasis[0],
  8064. phy->tx_preemphasis[1]);
  8065. bnx2x_cl45_write(bp, phy,
  8066. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8067. phy->tx_preemphasis[0]);
  8068. bnx2x_cl45_write(bp, phy,
  8069. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8070. phy->tx_preemphasis[1]);
  8071. }
  8072. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8073. * power mode, if TX Laser is disabled
  8074. */
  8075. tx_en_mode = REG_RD(bp, params->shmem_base +
  8076. offsetof(struct shmem_region,
  8077. dev_info.port_hw_config[params->port].sfp_ctrl))
  8078. & PORT_HW_CFG_TX_LASER_MASK;
  8079. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8080. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8081. bnx2x_cl45_read(bp, phy,
  8082. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8083. tmp2 |= 0x1000;
  8084. tmp2 &= 0xFFEF;
  8085. bnx2x_cl45_write(bp, phy,
  8086. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8087. bnx2x_cl45_read(bp, phy,
  8088. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8089. &tmp2);
  8090. bnx2x_cl45_write(bp, phy,
  8091. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8092. (tmp2 & 0x7fff));
  8093. }
  8094. return 0;
  8095. }
  8096. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8097. struct link_params *params)
  8098. {
  8099. struct bnx2x *bp = params->bp;
  8100. u16 mod_abs, rx_alarm_status;
  8101. u32 val = REG_RD(bp, params->shmem_base +
  8102. offsetof(struct shmem_region, dev_info.
  8103. port_feature_config[params->port].
  8104. config));
  8105. bnx2x_cl45_read(bp, phy,
  8106. MDIO_PMA_DEVAD,
  8107. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8108. if (mod_abs & (1<<8)) {
  8109. /* Module is absent */
  8110. DP(NETIF_MSG_LINK,
  8111. "MOD_ABS indication show module is absent\n");
  8112. phy->media_type = ETH_PHY_NOT_PRESENT;
  8113. /* 1. Set mod_abs to detect next module
  8114. * presence event
  8115. * 2. Set EDC off by setting OPTXLOS signal input to low
  8116. * (bit 9).
  8117. * When the EDC is off it locks onto a reference clock and
  8118. * avoids becoming 'lost'.
  8119. */
  8120. mod_abs &= ~(1<<8);
  8121. if (!(phy->flags & FLAGS_NOC))
  8122. mod_abs &= ~(1<<9);
  8123. bnx2x_cl45_write(bp, phy,
  8124. MDIO_PMA_DEVAD,
  8125. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8126. /* Clear RX alarm since it stays up as long as
  8127. * the mod_abs wasn't changed
  8128. */
  8129. bnx2x_cl45_read(bp, phy,
  8130. MDIO_PMA_DEVAD,
  8131. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8132. } else {
  8133. /* Module is present */
  8134. DP(NETIF_MSG_LINK,
  8135. "MOD_ABS indication show module is present\n");
  8136. /* First disable transmitter, and if the module is ok, the
  8137. * module_detection will enable it
  8138. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8139. * 2. Restore the default polarity of the OPRXLOS signal and
  8140. * this signal will then correctly indicate the presence or
  8141. * absence of the Rx signal. (bit 9)
  8142. */
  8143. mod_abs |= (1<<8);
  8144. if (!(phy->flags & FLAGS_NOC))
  8145. mod_abs |= (1<<9);
  8146. bnx2x_cl45_write(bp, phy,
  8147. MDIO_PMA_DEVAD,
  8148. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8149. /* Clear RX alarm since it stays up as long as the mod_abs
  8150. * wasn't changed. This is need to be done before calling the
  8151. * module detection, otherwise it will clear* the link update
  8152. * alarm
  8153. */
  8154. bnx2x_cl45_read(bp, phy,
  8155. MDIO_PMA_DEVAD,
  8156. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8157. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8158. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8159. bnx2x_sfp_set_transmitter(params, phy, 0);
  8160. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8161. bnx2x_sfp_module_detection(phy, params);
  8162. else
  8163. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8164. }
  8165. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8166. rx_alarm_status);
  8167. /* No need to check link status in case of module plugged in/out */
  8168. }
  8169. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8170. struct link_params *params,
  8171. struct link_vars *vars)
  8172. {
  8173. struct bnx2x *bp = params->bp;
  8174. u8 link_up = 0, oc_port = params->port;
  8175. u16 link_status = 0;
  8176. u16 rx_alarm_status, lasi_ctrl, val1;
  8177. /* If PHY is not initialized, do not check link status */
  8178. bnx2x_cl45_read(bp, phy,
  8179. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8180. &lasi_ctrl);
  8181. if (!lasi_ctrl)
  8182. return 0;
  8183. /* Check the LASI on Rx */
  8184. bnx2x_cl45_read(bp, phy,
  8185. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8186. &rx_alarm_status);
  8187. vars->line_speed = 0;
  8188. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8189. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8190. MDIO_PMA_LASI_TXCTRL);
  8191. bnx2x_cl45_read(bp, phy,
  8192. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8193. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8194. /* Clear MSG-OUT */
  8195. bnx2x_cl45_read(bp, phy,
  8196. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8197. /* If a module is present and there is need to check
  8198. * for over current
  8199. */
  8200. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8201. /* Check over-current using 8727 GPIO0 input*/
  8202. bnx2x_cl45_read(bp, phy,
  8203. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8204. &val1);
  8205. if ((val1 & (1<<8)) == 0) {
  8206. if (!CHIP_IS_E1x(bp))
  8207. oc_port = BP_PATH(bp) + (params->port << 1);
  8208. DP(NETIF_MSG_LINK,
  8209. "8727 Power fault has been detected on port %d\n",
  8210. oc_port);
  8211. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8212. "been detected and the power to "
  8213. "that SFP+ module has been removed "
  8214. "to prevent failure of the card. "
  8215. "Please remove the SFP+ module and "
  8216. "restart the system to clear this "
  8217. "error.\n",
  8218. oc_port);
  8219. /* Disable all RX_ALARMs except for mod_abs */
  8220. bnx2x_cl45_write(bp, phy,
  8221. MDIO_PMA_DEVAD,
  8222. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8223. bnx2x_cl45_read(bp, phy,
  8224. MDIO_PMA_DEVAD,
  8225. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8226. /* Wait for module_absent_event */
  8227. val1 |= (1<<8);
  8228. bnx2x_cl45_write(bp, phy,
  8229. MDIO_PMA_DEVAD,
  8230. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8231. /* Clear RX alarm */
  8232. bnx2x_cl45_read(bp, phy,
  8233. MDIO_PMA_DEVAD,
  8234. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8235. return 0;
  8236. }
  8237. } /* Over current check */
  8238. /* When module absent bit is set, check module */
  8239. if (rx_alarm_status & (1<<5)) {
  8240. bnx2x_8727_handle_mod_abs(phy, params);
  8241. /* Enable all mod_abs and link detection bits */
  8242. bnx2x_cl45_write(bp, phy,
  8243. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8244. ((1<<5) | (1<<2)));
  8245. }
  8246. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8247. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8248. bnx2x_sfp_set_transmitter(params, phy, 1);
  8249. } else {
  8250. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8251. return 0;
  8252. }
  8253. bnx2x_cl45_read(bp, phy,
  8254. MDIO_PMA_DEVAD,
  8255. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8256. /* Bits 0..2 --> speed detected,
  8257. * Bits 13..15--> link is down
  8258. */
  8259. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8260. link_up = 1;
  8261. vars->line_speed = SPEED_10000;
  8262. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8263. params->port);
  8264. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8265. link_up = 1;
  8266. vars->line_speed = SPEED_1000;
  8267. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8268. params->port);
  8269. } else {
  8270. link_up = 0;
  8271. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8272. params->port);
  8273. }
  8274. /* Capture 10G link fault. */
  8275. if (vars->line_speed == SPEED_10000) {
  8276. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8277. MDIO_PMA_LASI_TXSTAT, &val1);
  8278. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8279. MDIO_PMA_LASI_TXSTAT, &val1);
  8280. if (val1 & (1<<0)) {
  8281. vars->fault_detected = 1;
  8282. }
  8283. }
  8284. if (link_up) {
  8285. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8286. vars->duplex = DUPLEX_FULL;
  8287. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8288. }
  8289. if ((DUAL_MEDIA(params)) &&
  8290. (phy->req_line_speed == SPEED_1000)) {
  8291. bnx2x_cl45_read(bp, phy,
  8292. MDIO_PMA_DEVAD,
  8293. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8294. /* In case of dual-media board and 1G, power up the XAUI side,
  8295. * otherwise power it down. For 10G it is done automatically
  8296. */
  8297. if (link_up)
  8298. val1 &= ~(3<<10);
  8299. else
  8300. val1 |= (3<<10);
  8301. bnx2x_cl45_write(bp, phy,
  8302. MDIO_PMA_DEVAD,
  8303. MDIO_PMA_REG_8727_PCS_GP, val1);
  8304. }
  8305. return link_up;
  8306. }
  8307. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8308. struct link_params *params)
  8309. {
  8310. struct bnx2x *bp = params->bp;
  8311. /* Enable/Disable PHY transmitter output */
  8312. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8313. /* Disable Transmitter */
  8314. bnx2x_sfp_set_transmitter(params, phy, 0);
  8315. /* Clear LASI */
  8316. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8317. }
  8318. /******************************************************************/
  8319. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8320. /******************************************************************/
  8321. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8322. struct bnx2x *bp,
  8323. u8 port)
  8324. {
  8325. u16 val, fw_ver1, fw_ver2, cnt;
  8326. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8327. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8328. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8329. phy->ver_addr);
  8330. } else {
  8331. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8332. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8333. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8334. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8335. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8336. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8337. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8338. for (cnt = 0; cnt < 100; cnt++) {
  8339. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8340. if (val & 1)
  8341. break;
  8342. udelay(5);
  8343. }
  8344. if (cnt == 100) {
  8345. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8346. "phy fw version(1)\n");
  8347. bnx2x_save_spirom_version(bp, port, 0,
  8348. phy->ver_addr);
  8349. return;
  8350. }
  8351. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8352. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8353. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8354. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8355. for (cnt = 0; cnt < 100; cnt++) {
  8356. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8357. if (val & 1)
  8358. break;
  8359. udelay(5);
  8360. }
  8361. if (cnt == 100) {
  8362. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8363. "version(2)\n");
  8364. bnx2x_save_spirom_version(bp, port, 0,
  8365. phy->ver_addr);
  8366. return;
  8367. }
  8368. /* lower 16 bits of the register SPI_FW_STATUS */
  8369. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8370. /* upper 16 bits of register SPI_FW_STATUS */
  8371. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8372. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8373. phy->ver_addr);
  8374. }
  8375. }
  8376. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8377. struct bnx2x_phy *phy)
  8378. {
  8379. u16 val, offset;
  8380. /* PHYC_CTL_LED_CTL */
  8381. bnx2x_cl45_read(bp, phy,
  8382. MDIO_PMA_DEVAD,
  8383. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8384. val &= 0xFE00;
  8385. val |= 0x0092;
  8386. bnx2x_cl45_write(bp, phy,
  8387. MDIO_PMA_DEVAD,
  8388. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8389. bnx2x_cl45_write(bp, phy,
  8390. MDIO_PMA_DEVAD,
  8391. MDIO_PMA_REG_8481_LED1_MASK,
  8392. 0x80);
  8393. bnx2x_cl45_write(bp, phy,
  8394. MDIO_PMA_DEVAD,
  8395. MDIO_PMA_REG_8481_LED2_MASK,
  8396. 0x18);
  8397. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8398. bnx2x_cl45_write(bp, phy,
  8399. MDIO_PMA_DEVAD,
  8400. MDIO_PMA_REG_8481_LED3_MASK,
  8401. 0x0006);
  8402. /* Select the closest activity blink rate to that in 10/100/1000 */
  8403. bnx2x_cl45_write(bp, phy,
  8404. MDIO_PMA_DEVAD,
  8405. MDIO_PMA_REG_8481_LED3_BLINK,
  8406. 0);
  8407. /* Configure the blink rate to ~15.9 Hz */
  8408. bnx2x_cl45_write(bp, phy,
  8409. MDIO_PMA_DEVAD,
  8410. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8411. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8412. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8413. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8414. else
  8415. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8416. bnx2x_cl45_read(bp, phy,
  8417. MDIO_PMA_DEVAD, offset, &val);
  8418. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8419. bnx2x_cl45_write(bp, phy,
  8420. MDIO_PMA_DEVAD, offset, val);
  8421. /* 'Interrupt Mask' */
  8422. bnx2x_cl45_write(bp, phy,
  8423. MDIO_AN_DEVAD,
  8424. 0xFFFB, 0xFFFD);
  8425. }
  8426. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8427. struct link_params *params,
  8428. struct link_vars *vars)
  8429. {
  8430. struct bnx2x *bp = params->bp;
  8431. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8432. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8433. /* Save spirom version */
  8434. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8435. }
  8436. /* This phy uses the NIG latch mechanism since link indication
  8437. * arrives through its LED4 and not via its LASI signal, so we
  8438. * get steady signal instead of clear on read
  8439. */
  8440. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8441. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8442. bnx2x_cl45_write(bp, phy,
  8443. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8444. bnx2x_848xx_set_led(bp, phy);
  8445. /* set 1000 speed advertisement */
  8446. bnx2x_cl45_read(bp, phy,
  8447. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8448. &an_1000_val);
  8449. bnx2x_ext_phy_set_pause(params, phy, vars);
  8450. bnx2x_cl45_read(bp, phy,
  8451. MDIO_AN_DEVAD,
  8452. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8453. &an_10_100_val);
  8454. bnx2x_cl45_read(bp, phy,
  8455. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8456. &autoneg_val);
  8457. /* Disable forced speed */
  8458. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8459. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8460. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8461. (phy->speed_cap_mask &
  8462. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8463. (phy->req_line_speed == SPEED_1000)) {
  8464. an_1000_val |= (1<<8);
  8465. autoneg_val |= (1<<9 | 1<<12);
  8466. if (phy->req_duplex == DUPLEX_FULL)
  8467. an_1000_val |= (1<<9);
  8468. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8469. } else
  8470. an_1000_val &= ~((1<<8) | (1<<9));
  8471. bnx2x_cl45_write(bp, phy,
  8472. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8473. an_1000_val);
  8474. /* set 100 speed advertisement */
  8475. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8476. (phy->speed_cap_mask &
  8477. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8478. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8479. an_10_100_val |= (1<<7);
  8480. /* Enable autoneg and restart autoneg for legacy speeds */
  8481. autoneg_val |= (1<<9 | 1<<12);
  8482. if (phy->req_duplex == DUPLEX_FULL)
  8483. an_10_100_val |= (1<<8);
  8484. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8485. }
  8486. /* set 10 speed advertisement */
  8487. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8488. (phy->speed_cap_mask &
  8489. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8490. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8491. (phy->supported &
  8492. (SUPPORTED_10baseT_Half |
  8493. SUPPORTED_10baseT_Full)))) {
  8494. an_10_100_val |= (1<<5);
  8495. autoneg_val |= (1<<9 | 1<<12);
  8496. if (phy->req_duplex == DUPLEX_FULL)
  8497. an_10_100_val |= (1<<6);
  8498. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8499. }
  8500. /* Only 10/100 are allowed to work in FORCE mode */
  8501. if ((phy->req_line_speed == SPEED_100) &&
  8502. (phy->supported &
  8503. (SUPPORTED_100baseT_Half |
  8504. SUPPORTED_100baseT_Full))) {
  8505. autoneg_val |= (1<<13);
  8506. /* Enabled AUTO-MDIX when autoneg is disabled */
  8507. bnx2x_cl45_write(bp, phy,
  8508. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8509. (1<<15 | 1<<9 | 7<<0));
  8510. /* The PHY needs this set even for forced link. */
  8511. an_10_100_val |= (1<<8) | (1<<7);
  8512. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8513. }
  8514. if ((phy->req_line_speed == SPEED_10) &&
  8515. (phy->supported &
  8516. (SUPPORTED_10baseT_Half |
  8517. SUPPORTED_10baseT_Full))) {
  8518. /* Enabled AUTO-MDIX when autoneg is disabled */
  8519. bnx2x_cl45_write(bp, phy,
  8520. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8521. (1<<15 | 1<<9 | 7<<0));
  8522. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8523. }
  8524. bnx2x_cl45_write(bp, phy,
  8525. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8526. an_10_100_val);
  8527. if (phy->req_duplex == DUPLEX_FULL)
  8528. autoneg_val |= (1<<8);
  8529. /* Always write this if this is not 84833.
  8530. * For 84833, write it only when it's a forced speed.
  8531. */
  8532. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8533. ((autoneg_val & (1<<12)) == 0))
  8534. bnx2x_cl45_write(bp, phy,
  8535. MDIO_AN_DEVAD,
  8536. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8537. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8538. (phy->speed_cap_mask &
  8539. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8540. (phy->req_line_speed == SPEED_10000)) {
  8541. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8542. /* Restart autoneg for 10G*/
  8543. bnx2x_cl45_read(bp, phy,
  8544. MDIO_AN_DEVAD,
  8545. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8546. &an_10g_val);
  8547. bnx2x_cl45_write(bp, phy,
  8548. MDIO_AN_DEVAD,
  8549. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8550. an_10g_val | 0x1000);
  8551. bnx2x_cl45_write(bp, phy,
  8552. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8553. 0x3200);
  8554. } else
  8555. bnx2x_cl45_write(bp, phy,
  8556. MDIO_AN_DEVAD,
  8557. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8558. 1);
  8559. return 0;
  8560. }
  8561. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8562. struct link_params *params,
  8563. struct link_vars *vars)
  8564. {
  8565. struct bnx2x *bp = params->bp;
  8566. /* Restore normal power mode*/
  8567. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8568. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8569. /* HW reset */
  8570. bnx2x_ext_phy_hw_reset(bp, params->port);
  8571. bnx2x_wait_reset_complete(bp, phy, params);
  8572. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8573. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8574. }
  8575. #define PHY84833_CMDHDLR_WAIT 300
  8576. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8577. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8578. struct link_params *params,
  8579. u16 fw_cmd,
  8580. u16 cmd_args[], int argc)
  8581. {
  8582. int idx;
  8583. u16 val;
  8584. struct bnx2x *bp = params->bp;
  8585. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8586. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8587. MDIO_84833_CMD_HDLR_STATUS,
  8588. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8589. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8590. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8591. MDIO_84833_CMD_HDLR_STATUS, &val);
  8592. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8593. break;
  8594. msleep(1);
  8595. }
  8596. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8597. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8598. return -EINVAL;
  8599. }
  8600. /* Prepare argument(s) and issue command */
  8601. for (idx = 0; idx < argc; idx++) {
  8602. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8603. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8604. cmd_args[idx]);
  8605. }
  8606. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8607. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8608. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8609. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8610. MDIO_84833_CMD_HDLR_STATUS, &val);
  8611. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8612. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8613. break;
  8614. msleep(1);
  8615. }
  8616. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8617. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8618. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8619. return -EINVAL;
  8620. }
  8621. /* Gather returning data */
  8622. for (idx = 0; idx < argc; idx++) {
  8623. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8624. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8625. &cmd_args[idx]);
  8626. }
  8627. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8628. MDIO_84833_CMD_HDLR_STATUS,
  8629. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8630. return 0;
  8631. }
  8632. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8633. struct link_params *params,
  8634. struct link_vars *vars)
  8635. {
  8636. u32 pair_swap;
  8637. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8638. int status;
  8639. struct bnx2x *bp = params->bp;
  8640. /* Check for configuration. */
  8641. pair_swap = REG_RD(bp, params->shmem_base +
  8642. offsetof(struct shmem_region,
  8643. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8644. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8645. if (pair_swap == 0)
  8646. return 0;
  8647. /* Only the second argument is used for this command */
  8648. data[1] = (u16)pair_swap;
  8649. status = bnx2x_84833_cmd_hdlr(phy, params,
  8650. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8651. if (status == 0)
  8652. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8653. return status;
  8654. }
  8655. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8656. u32 shmem_base_path[],
  8657. u32 chip_id)
  8658. {
  8659. u32 reset_pin[2];
  8660. u32 idx;
  8661. u8 reset_gpios;
  8662. if (CHIP_IS_E3(bp)) {
  8663. /* Assume that these will be GPIOs, not EPIOs. */
  8664. for (idx = 0; idx < 2; idx++) {
  8665. /* Map config param to register bit. */
  8666. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8667. offsetof(struct shmem_region,
  8668. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8669. reset_pin[idx] = (reset_pin[idx] &
  8670. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8671. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8672. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8673. reset_pin[idx] = (1 << reset_pin[idx]);
  8674. }
  8675. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8676. } else {
  8677. /* E2, look from diff place of shmem. */
  8678. for (idx = 0; idx < 2; idx++) {
  8679. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8680. offsetof(struct shmem_region,
  8681. dev_info.port_hw_config[0].default_cfg));
  8682. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8683. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8684. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8685. reset_pin[idx] = (1 << reset_pin[idx]);
  8686. }
  8687. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8688. }
  8689. return reset_gpios;
  8690. }
  8691. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8692. struct link_params *params)
  8693. {
  8694. struct bnx2x *bp = params->bp;
  8695. u8 reset_gpios;
  8696. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8697. offsetof(struct shmem2_region,
  8698. other_shmem_base_addr));
  8699. u32 shmem_base_path[2];
  8700. /* Work around for 84833 LED failure inside RESET status */
  8701. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8702. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8703. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8704. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8705. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8706. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8707. shmem_base_path[0] = params->shmem_base;
  8708. shmem_base_path[1] = other_shmem_base_addr;
  8709. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8710. params->chip_id);
  8711. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8712. udelay(10);
  8713. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8714. reset_gpios);
  8715. return 0;
  8716. }
  8717. static int bnx2x_8483x_eee_timers(struct link_params *params,
  8718. struct link_vars *vars)
  8719. {
  8720. u32 eee_idle = 0, eee_mode;
  8721. struct bnx2x *bp = params->bp;
  8722. eee_idle = bnx2x_eee_calc_timer(params);
  8723. if (eee_idle) {
  8724. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  8725. eee_idle);
  8726. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  8727. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  8728. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  8729. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  8730. return -EINVAL;
  8731. }
  8732. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  8733. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  8734. /* eee_idle in 1u --> eee_status in 16u */
  8735. eee_idle >>= 4;
  8736. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  8737. SHMEM_EEE_TIME_OUTPUT_BIT;
  8738. } else {
  8739. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  8740. return -EINVAL;
  8741. vars->eee_status |= eee_mode;
  8742. }
  8743. return 0;
  8744. }
  8745. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8746. struct link_params *params,
  8747. struct link_vars *vars)
  8748. {
  8749. int rc;
  8750. struct bnx2x *bp = params->bp;
  8751. u16 cmd_args = 0;
  8752. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8753. /* Make Certain LPI is disabled */
  8754. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  8755. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
  8756. /* Prevent Phy from working in EEE and advertising it */
  8757. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8758. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8759. if (rc != 0) {
  8760. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8761. return rc;
  8762. }
  8763. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
  8764. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8765. return 0;
  8766. }
  8767. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8768. struct link_params *params,
  8769. struct link_vars *vars)
  8770. {
  8771. int rc;
  8772. struct bnx2x *bp = params->bp;
  8773. u16 cmd_args = 1;
  8774. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  8775. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8776. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8777. if (rc != 0) {
  8778. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8779. return rc;
  8780. }
  8781. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
  8782. /* Mask events preventing LPI generation */
  8783. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  8784. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  8785. vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
  8786. return 0;
  8787. }
  8788. #define PHY84833_CONSTANT_LATENCY 1193
  8789. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8790. struct link_params *params,
  8791. struct link_vars *vars)
  8792. {
  8793. struct bnx2x *bp = params->bp;
  8794. u8 port, initialize = 1;
  8795. u16 val;
  8796. u32 actual_phy_selection, cms_enable;
  8797. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8798. int rc = 0;
  8799. msleep(1);
  8800. if (!(CHIP_IS_E1(bp)))
  8801. port = BP_PATH(bp);
  8802. else
  8803. port = params->port;
  8804. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8805. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8806. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8807. port);
  8808. } else {
  8809. /* MDIO reset */
  8810. bnx2x_cl45_write(bp, phy,
  8811. MDIO_PMA_DEVAD,
  8812. MDIO_PMA_REG_CTRL, 0x8000);
  8813. }
  8814. bnx2x_wait_reset_complete(bp, phy, params);
  8815. /* Wait for GPHY to come out of reset */
  8816. msleep(50);
  8817. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8818. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8819. * behavior.
  8820. */
  8821. u16 temp;
  8822. temp = vars->line_speed;
  8823. vars->line_speed = SPEED_10000;
  8824. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8825. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8826. vars->line_speed = temp;
  8827. }
  8828. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8829. MDIO_CTL_REG_84823_MEDIA, &val);
  8830. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8831. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8832. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8833. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8834. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8835. if (CHIP_IS_E3(bp)) {
  8836. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8837. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8838. } else {
  8839. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8840. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8841. }
  8842. actual_phy_selection = bnx2x_phy_selection(params);
  8843. switch (actual_phy_selection) {
  8844. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8845. /* Do nothing. Essentially this is like the priority copper */
  8846. break;
  8847. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8848. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8849. break;
  8850. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8851. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8852. break;
  8853. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8854. /* Do nothing here. The first PHY won't be initialized at all */
  8855. break;
  8856. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8857. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8858. initialize = 0;
  8859. break;
  8860. }
  8861. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8862. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8863. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8864. MDIO_CTL_REG_84823_MEDIA, val);
  8865. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8866. params->multi_phy_config, val);
  8867. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8868. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8869. /* Keep AutogrEEEn disabled. */
  8870. cmd_args[0] = 0x0;
  8871. cmd_args[1] = 0x0;
  8872. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8873. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8874. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8875. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8876. PHY84833_CMDHDLR_MAX_ARGS);
  8877. if (rc != 0)
  8878. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8879. }
  8880. if (initialize)
  8881. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8882. else
  8883. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8884. /* 84833 PHY has a better feature and doesn't need to support this. */
  8885. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8886. cms_enable = REG_RD(bp, params->shmem_base +
  8887. offsetof(struct shmem_region,
  8888. dev_info.port_hw_config[params->port].default_cfg)) &
  8889. PORT_HW_CFG_ENABLE_CMS_MASK;
  8890. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8891. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8892. if (cms_enable)
  8893. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8894. else
  8895. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8896. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8897. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8898. }
  8899. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8900. MDIO_84833_TOP_CFG_FW_REV, &val);
  8901. /* Configure EEE support */
  8902. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
  8903. phy->flags |= FLAGS_EEE_10GBT;
  8904. vars->eee_status |= SHMEM_EEE_10G_ADV <<
  8905. SHMEM_EEE_SUPPORTED_SHIFT;
  8906. /* Propogate params' bits --> vars (for migration exposure) */
  8907. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  8908. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  8909. else
  8910. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  8911. if (params->eee_mode & EEE_MODE_ADV_LPI)
  8912. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  8913. else
  8914. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  8915. rc = bnx2x_8483x_eee_timers(params, vars);
  8916. if (rc != 0) {
  8917. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8918. bnx2x_8483x_disable_eee(phy, params, vars);
  8919. return rc;
  8920. }
  8921. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8922. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8923. (bnx2x_eee_calc_timer(params) ||
  8924. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8925. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8926. else
  8927. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8928. if (rc != 0) {
  8929. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8930. return rc;
  8931. }
  8932. } else {
  8933. phy->flags &= ~FLAGS_EEE_10GBT;
  8934. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8935. }
  8936. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8937. /* Bring PHY out of super isolate mode as the final step. */
  8938. bnx2x_cl45_read(bp, phy,
  8939. MDIO_CTL_DEVAD,
  8940. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8941. val &= ~MDIO_84833_SUPER_ISOLATE;
  8942. bnx2x_cl45_write(bp, phy,
  8943. MDIO_CTL_DEVAD,
  8944. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8945. }
  8946. return rc;
  8947. }
  8948. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8949. struct link_params *params,
  8950. struct link_vars *vars)
  8951. {
  8952. struct bnx2x *bp = params->bp;
  8953. u16 val, val1, val2;
  8954. u8 link_up = 0;
  8955. /* Check 10G-BaseT link status */
  8956. /* Check PMD signal ok */
  8957. bnx2x_cl45_read(bp, phy,
  8958. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8959. bnx2x_cl45_read(bp, phy,
  8960. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8961. &val2);
  8962. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8963. /* Check link 10G */
  8964. if (val2 & (1<<11)) {
  8965. vars->line_speed = SPEED_10000;
  8966. vars->duplex = DUPLEX_FULL;
  8967. link_up = 1;
  8968. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8969. } else { /* Check Legacy speed link */
  8970. u16 legacy_status, legacy_speed;
  8971. /* Enable expansion register 0x42 (Operation mode status) */
  8972. bnx2x_cl45_write(bp, phy,
  8973. MDIO_AN_DEVAD,
  8974. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8975. /* Get legacy speed operation status */
  8976. bnx2x_cl45_read(bp, phy,
  8977. MDIO_AN_DEVAD,
  8978. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8979. &legacy_status);
  8980. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8981. legacy_status);
  8982. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8983. if (link_up) {
  8984. legacy_speed = (legacy_status & (3<<9));
  8985. if (legacy_speed == (0<<9))
  8986. vars->line_speed = SPEED_10;
  8987. else if (legacy_speed == (1<<9))
  8988. vars->line_speed = SPEED_100;
  8989. else if (legacy_speed == (2<<9))
  8990. vars->line_speed = SPEED_1000;
  8991. else /* Should not happen */
  8992. vars->line_speed = 0;
  8993. if (legacy_status & (1<<8))
  8994. vars->duplex = DUPLEX_FULL;
  8995. else
  8996. vars->duplex = DUPLEX_HALF;
  8997. DP(NETIF_MSG_LINK,
  8998. "Link is up in %dMbps, is_duplex_full= %d\n",
  8999. vars->line_speed,
  9000. (vars->duplex == DUPLEX_FULL));
  9001. /* Check legacy speed AN resolution */
  9002. bnx2x_cl45_read(bp, phy,
  9003. MDIO_AN_DEVAD,
  9004. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9005. &val);
  9006. if (val & (1<<5))
  9007. vars->link_status |=
  9008. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9009. bnx2x_cl45_read(bp, phy,
  9010. MDIO_AN_DEVAD,
  9011. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9012. &val);
  9013. if ((val & (1<<0)) == 0)
  9014. vars->link_status |=
  9015. LINK_STATUS_PARALLEL_DETECTION_USED;
  9016. }
  9017. }
  9018. if (link_up) {
  9019. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  9020. vars->line_speed);
  9021. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9022. /* Read LP advertised speeds */
  9023. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9024. MDIO_AN_REG_CL37_FC_LP, &val);
  9025. if (val & (1<<5))
  9026. vars->link_status |=
  9027. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9028. if (val & (1<<6))
  9029. vars->link_status |=
  9030. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9031. if (val & (1<<7))
  9032. vars->link_status |=
  9033. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9034. if (val & (1<<8))
  9035. vars->link_status |=
  9036. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9037. if (val & (1<<9))
  9038. vars->link_status |=
  9039. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9040. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9041. MDIO_AN_REG_1000T_STATUS, &val);
  9042. if (val & (1<<10))
  9043. vars->link_status |=
  9044. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9045. if (val & (1<<11))
  9046. vars->link_status |=
  9047. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9048. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9049. MDIO_AN_REG_MASTER_STATUS, &val);
  9050. if (val & (1<<11))
  9051. vars->link_status |=
  9052. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9053. /* Determine if EEE was negotiated */
  9054. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9055. u32 eee_shmem = 0;
  9056. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9057. MDIO_AN_REG_EEE_ADV, &val1);
  9058. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9059. MDIO_AN_REG_LP_EEE_ADV, &val2);
  9060. if ((val1 & val2) & 0x8) {
  9061. DP(NETIF_MSG_LINK, "EEE negotiated\n");
  9062. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  9063. }
  9064. if (val2 & 0x12)
  9065. eee_shmem |= SHMEM_EEE_100M_ADV;
  9066. if (val2 & 0x4)
  9067. eee_shmem |= SHMEM_EEE_1G_ADV;
  9068. if (val2 & 0x68)
  9069. eee_shmem |= SHMEM_EEE_10G_ADV;
  9070. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  9071. vars->eee_status |= (eee_shmem <<
  9072. SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  9073. }
  9074. }
  9075. return link_up;
  9076. }
  9077. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9078. {
  9079. int status = 0;
  9080. u32 spirom_ver;
  9081. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9082. status = bnx2x_format_ver(spirom_ver, str, len);
  9083. return status;
  9084. }
  9085. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9086. struct link_params *params)
  9087. {
  9088. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9089. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9090. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9091. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9092. }
  9093. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9094. struct link_params *params)
  9095. {
  9096. bnx2x_cl45_write(params->bp, phy,
  9097. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9098. bnx2x_cl45_write(params->bp, phy,
  9099. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9100. }
  9101. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9102. struct link_params *params)
  9103. {
  9104. struct bnx2x *bp = params->bp;
  9105. u8 port;
  9106. u16 val16;
  9107. if (!(CHIP_IS_E1x(bp)))
  9108. port = BP_PATH(bp);
  9109. else
  9110. port = params->port;
  9111. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9112. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9113. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9114. port);
  9115. } else {
  9116. bnx2x_cl45_read(bp, phy,
  9117. MDIO_CTL_DEVAD,
  9118. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9119. val16 |= MDIO_84833_SUPER_ISOLATE;
  9120. bnx2x_cl45_write(bp, phy,
  9121. MDIO_CTL_DEVAD,
  9122. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9123. }
  9124. }
  9125. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9126. struct link_params *params, u8 mode)
  9127. {
  9128. struct bnx2x *bp = params->bp;
  9129. u16 val;
  9130. u8 port;
  9131. if (!(CHIP_IS_E1x(bp)))
  9132. port = BP_PATH(bp);
  9133. else
  9134. port = params->port;
  9135. switch (mode) {
  9136. case LED_MODE_OFF:
  9137. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9138. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9139. SHARED_HW_CFG_LED_EXTPHY1) {
  9140. /* Set LED masks */
  9141. bnx2x_cl45_write(bp, phy,
  9142. MDIO_PMA_DEVAD,
  9143. MDIO_PMA_REG_8481_LED1_MASK,
  9144. 0x0);
  9145. bnx2x_cl45_write(bp, phy,
  9146. MDIO_PMA_DEVAD,
  9147. MDIO_PMA_REG_8481_LED2_MASK,
  9148. 0x0);
  9149. bnx2x_cl45_write(bp, phy,
  9150. MDIO_PMA_DEVAD,
  9151. MDIO_PMA_REG_8481_LED3_MASK,
  9152. 0x0);
  9153. bnx2x_cl45_write(bp, phy,
  9154. MDIO_PMA_DEVAD,
  9155. MDIO_PMA_REG_8481_LED5_MASK,
  9156. 0x0);
  9157. } else {
  9158. bnx2x_cl45_write(bp, phy,
  9159. MDIO_PMA_DEVAD,
  9160. MDIO_PMA_REG_8481_LED1_MASK,
  9161. 0x0);
  9162. }
  9163. break;
  9164. case LED_MODE_FRONT_PANEL_OFF:
  9165. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9166. port);
  9167. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9168. SHARED_HW_CFG_LED_EXTPHY1) {
  9169. /* Set LED masks */
  9170. bnx2x_cl45_write(bp, phy,
  9171. MDIO_PMA_DEVAD,
  9172. MDIO_PMA_REG_8481_LED1_MASK,
  9173. 0x0);
  9174. bnx2x_cl45_write(bp, phy,
  9175. MDIO_PMA_DEVAD,
  9176. MDIO_PMA_REG_8481_LED2_MASK,
  9177. 0x0);
  9178. bnx2x_cl45_write(bp, phy,
  9179. MDIO_PMA_DEVAD,
  9180. MDIO_PMA_REG_8481_LED3_MASK,
  9181. 0x0);
  9182. bnx2x_cl45_write(bp, phy,
  9183. MDIO_PMA_DEVAD,
  9184. MDIO_PMA_REG_8481_LED5_MASK,
  9185. 0x20);
  9186. } else {
  9187. bnx2x_cl45_write(bp, phy,
  9188. MDIO_PMA_DEVAD,
  9189. MDIO_PMA_REG_8481_LED1_MASK,
  9190. 0x0);
  9191. }
  9192. break;
  9193. case LED_MODE_ON:
  9194. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9195. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9196. SHARED_HW_CFG_LED_EXTPHY1) {
  9197. /* Set control reg */
  9198. bnx2x_cl45_read(bp, phy,
  9199. MDIO_PMA_DEVAD,
  9200. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9201. &val);
  9202. val &= 0x8000;
  9203. val |= 0x2492;
  9204. bnx2x_cl45_write(bp, phy,
  9205. MDIO_PMA_DEVAD,
  9206. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9207. val);
  9208. /* Set LED masks */
  9209. bnx2x_cl45_write(bp, phy,
  9210. MDIO_PMA_DEVAD,
  9211. MDIO_PMA_REG_8481_LED1_MASK,
  9212. 0x0);
  9213. bnx2x_cl45_write(bp, phy,
  9214. MDIO_PMA_DEVAD,
  9215. MDIO_PMA_REG_8481_LED2_MASK,
  9216. 0x20);
  9217. bnx2x_cl45_write(bp, phy,
  9218. MDIO_PMA_DEVAD,
  9219. MDIO_PMA_REG_8481_LED3_MASK,
  9220. 0x20);
  9221. bnx2x_cl45_write(bp, phy,
  9222. MDIO_PMA_DEVAD,
  9223. MDIO_PMA_REG_8481_LED5_MASK,
  9224. 0x0);
  9225. } else {
  9226. bnx2x_cl45_write(bp, phy,
  9227. MDIO_PMA_DEVAD,
  9228. MDIO_PMA_REG_8481_LED1_MASK,
  9229. 0x20);
  9230. }
  9231. break;
  9232. case LED_MODE_OPER:
  9233. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9234. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9235. SHARED_HW_CFG_LED_EXTPHY1) {
  9236. /* Set control reg */
  9237. bnx2x_cl45_read(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9240. &val);
  9241. if (!((val &
  9242. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9243. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9244. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9245. bnx2x_cl45_write(bp, phy,
  9246. MDIO_PMA_DEVAD,
  9247. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9248. 0xa492);
  9249. }
  9250. /* Set LED masks */
  9251. bnx2x_cl45_write(bp, phy,
  9252. MDIO_PMA_DEVAD,
  9253. MDIO_PMA_REG_8481_LED1_MASK,
  9254. 0x10);
  9255. bnx2x_cl45_write(bp, phy,
  9256. MDIO_PMA_DEVAD,
  9257. MDIO_PMA_REG_8481_LED2_MASK,
  9258. 0x80);
  9259. bnx2x_cl45_write(bp, phy,
  9260. MDIO_PMA_DEVAD,
  9261. MDIO_PMA_REG_8481_LED3_MASK,
  9262. 0x98);
  9263. bnx2x_cl45_write(bp, phy,
  9264. MDIO_PMA_DEVAD,
  9265. MDIO_PMA_REG_8481_LED5_MASK,
  9266. 0x40);
  9267. } else {
  9268. bnx2x_cl45_write(bp, phy,
  9269. MDIO_PMA_DEVAD,
  9270. MDIO_PMA_REG_8481_LED1_MASK,
  9271. 0x80);
  9272. /* Tell LED3 to blink on source */
  9273. bnx2x_cl45_read(bp, phy,
  9274. MDIO_PMA_DEVAD,
  9275. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9276. &val);
  9277. val &= ~(7<<6);
  9278. val |= (1<<6); /* A83B[8:6]= 1 */
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9282. val);
  9283. }
  9284. break;
  9285. }
  9286. /* This is a workaround for E3+84833 until autoneg
  9287. * restart is fixed in f/w
  9288. */
  9289. if (CHIP_IS_E3(bp)) {
  9290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9291. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9292. }
  9293. }
  9294. /******************************************************************/
  9295. /* 54618SE PHY SECTION */
  9296. /******************************************************************/
  9297. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9298. struct link_params *params,
  9299. struct link_vars *vars)
  9300. {
  9301. struct bnx2x *bp = params->bp;
  9302. u8 port;
  9303. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9304. u32 cfg_pin;
  9305. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9306. usleep_range(1000, 1000);
  9307. /* This works with E3 only, no need to check the chip
  9308. * before determining the port.
  9309. */
  9310. port = params->port;
  9311. cfg_pin = (REG_RD(bp, params->shmem_base +
  9312. offsetof(struct shmem_region,
  9313. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9314. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9315. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9316. /* Drive pin high to bring the GPHY out of reset. */
  9317. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9318. /* wait for GPHY to reset */
  9319. msleep(50);
  9320. /* reset phy */
  9321. bnx2x_cl22_write(bp, phy,
  9322. MDIO_PMA_REG_CTRL, 0x8000);
  9323. bnx2x_wait_reset_complete(bp, phy, params);
  9324. /* Wait for GPHY to reset */
  9325. msleep(50);
  9326. /* Configure LED4: set to INTR (0x6). */
  9327. /* Accessing shadow register 0xe. */
  9328. bnx2x_cl22_write(bp, phy,
  9329. MDIO_REG_GPHY_SHADOW,
  9330. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9331. bnx2x_cl22_read(bp, phy,
  9332. MDIO_REG_GPHY_SHADOW,
  9333. &temp);
  9334. temp &= ~(0xf << 4);
  9335. temp |= (0x6 << 4);
  9336. bnx2x_cl22_write(bp, phy,
  9337. MDIO_REG_GPHY_SHADOW,
  9338. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9339. /* Configure INTR based on link status change. */
  9340. bnx2x_cl22_write(bp, phy,
  9341. MDIO_REG_INTR_MASK,
  9342. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9343. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9344. bnx2x_cl22_write(bp, phy,
  9345. MDIO_REG_GPHY_SHADOW,
  9346. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9347. bnx2x_cl22_read(bp, phy,
  9348. MDIO_REG_GPHY_SHADOW,
  9349. &temp);
  9350. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9351. bnx2x_cl22_write(bp, phy,
  9352. MDIO_REG_GPHY_SHADOW,
  9353. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9354. /* Set up fc */
  9355. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9356. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9357. fc_val = 0;
  9358. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9359. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9360. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9361. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9362. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9363. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9364. /* read all advertisement */
  9365. bnx2x_cl22_read(bp, phy,
  9366. 0x09,
  9367. &an_1000_val);
  9368. bnx2x_cl22_read(bp, phy,
  9369. 0x04,
  9370. &an_10_100_val);
  9371. bnx2x_cl22_read(bp, phy,
  9372. MDIO_PMA_REG_CTRL,
  9373. &autoneg_val);
  9374. /* Disable forced speed */
  9375. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9376. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9377. (1<<11));
  9378. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9379. (phy->speed_cap_mask &
  9380. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9381. (phy->req_line_speed == SPEED_1000)) {
  9382. an_1000_val |= (1<<8);
  9383. autoneg_val |= (1<<9 | 1<<12);
  9384. if (phy->req_duplex == DUPLEX_FULL)
  9385. an_1000_val |= (1<<9);
  9386. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9387. } else
  9388. an_1000_val &= ~((1<<8) | (1<<9));
  9389. bnx2x_cl22_write(bp, phy,
  9390. 0x09,
  9391. an_1000_val);
  9392. bnx2x_cl22_read(bp, phy,
  9393. 0x09,
  9394. &an_1000_val);
  9395. /* set 100 speed advertisement */
  9396. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9397. (phy->speed_cap_mask &
  9398. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9399. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9400. an_10_100_val |= (1<<7);
  9401. /* Enable autoneg and restart autoneg for legacy speeds */
  9402. autoneg_val |= (1<<9 | 1<<12);
  9403. if (phy->req_duplex == DUPLEX_FULL)
  9404. an_10_100_val |= (1<<8);
  9405. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9406. }
  9407. /* set 10 speed advertisement */
  9408. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9409. (phy->speed_cap_mask &
  9410. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9411. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9412. an_10_100_val |= (1<<5);
  9413. autoneg_val |= (1<<9 | 1<<12);
  9414. if (phy->req_duplex == DUPLEX_FULL)
  9415. an_10_100_val |= (1<<6);
  9416. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9417. }
  9418. /* Only 10/100 are allowed to work in FORCE mode */
  9419. if (phy->req_line_speed == SPEED_100) {
  9420. autoneg_val |= (1<<13);
  9421. /* Enabled AUTO-MDIX when autoneg is disabled */
  9422. bnx2x_cl22_write(bp, phy,
  9423. 0x18,
  9424. (1<<15 | 1<<9 | 7<<0));
  9425. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9426. }
  9427. if (phy->req_line_speed == SPEED_10) {
  9428. /* Enabled AUTO-MDIX when autoneg is disabled */
  9429. bnx2x_cl22_write(bp, phy,
  9430. 0x18,
  9431. (1<<15 | 1<<9 | 7<<0));
  9432. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9433. }
  9434. /* Check if we should turn on Auto-GrEEEn */
  9435. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9436. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9437. if (params->feature_config_flags &
  9438. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9439. temp = 6;
  9440. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9441. } else {
  9442. temp = 0;
  9443. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9444. }
  9445. bnx2x_cl22_write(bp, phy,
  9446. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9447. bnx2x_cl22_write(bp, phy,
  9448. MDIO_REG_GPHY_CL45_DATA_REG,
  9449. MDIO_REG_GPHY_EEE_ADV);
  9450. bnx2x_cl22_write(bp, phy,
  9451. MDIO_REG_GPHY_CL45_ADDR_REG,
  9452. (0x1 << 14) | MDIO_AN_DEVAD);
  9453. bnx2x_cl22_write(bp, phy,
  9454. MDIO_REG_GPHY_CL45_DATA_REG,
  9455. temp);
  9456. }
  9457. bnx2x_cl22_write(bp, phy,
  9458. 0x04,
  9459. an_10_100_val | fc_val);
  9460. if (phy->req_duplex == DUPLEX_FULL)
  9461. autoneg_val |= (1<<8);
  9462. bnx2x_cl22_write(bp, phy,
  9463. MDIO_PMA_REG_CTRL, autoneg_val);
  9464. return 0;
  9465. }
  9466. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9467. struct link_params *params, u8 mode)
  9468. {
  9469. struct bnx2x *bp = params->bp;
  9470. u16 temp;
  9471. bnx2x_cl22_write(bp, phy,
  9472. MDIO_REG_GPHY_SHADOW,
  9473. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9474. bnx2x_cl22_read(bp, phy,
  9475. MDIO_REG_GPHY_SHADOW,
  9476. &temp);
  9477. temp &= 0xff00;
  9478. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9479. switch (mode) {
  9480. case LED_MODE_FRONT_PANEL_OFF:
  9481. case LED_MODE_OFF:
  9482. temp |= 0x00ee;
  9483. break;
  9484. case LED_MODE_OPER:
  9485. temp |= 0x0001;
  9486. break;
  9487. case LED_MODE_ON:
  9488. temp |= 0x00ff;
  9489. break;
  9490. default:
  9491. break;
  9492. }
  9493. bnx2x_cl22_write(bp, phy,
  9494. MDIO_REG_GPHY_SHADOW,
  9495. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9496. return;
  9497. }
  9498. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9499. struct link_params *params)
  9500. {
  9501. struct bnx2x *bp = params->bp;
  9502. u32 cfg_pin;
  9503. u8 port;
  9504. /* In case of no EPIO routed to reset the GPHY, put it
  9505. * in low power mode.
  9506. */
  9507. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9508. /* This works with E3 only, no need to check the chip
  9509. * before determining the port.
  9510. */
  9511. port = params->port;
  9512. cfg_pin = (REG_RD(bp, params->shmem_base +
  9513. offsetof(struct shmem_region,
  9514. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9515. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9516. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9517. /* Drive pin low to put GPHY in reset. */
  9518. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9519. }
  9520. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9521. struct link_params *params,
  9522. struct link_vars *vars)
  9523. {
  9524. struct bnx2x *bp = params->bp;
  9525. u16 val;
  9526. u8 link_up = 0;
  9527. u16 legacy_status, legacy_speed;
  9528. /* Get speed operation status */
  9529. bnx2x_cl22_read(bp, phy,
  9530. 0x19,
  9531. &legacy_status);
  9532. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9533. /* Read status to clear the PHY interrupt. */
  9534. bnx2x_cl22_read(bp, phy,
  9535. MDIO_REG_INTR_STATUS,
  9536. &val);
  9537. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9538. if (link_up) {
  9539. legacy_speed = (legacy_status & (7<<8));
  9540. if (legacy_speed == (7<<8)) {
  9541. vars->line_speed = SPEED_1000;
  9542. vars->duplex = DUPLEX_FULL;
  9543. } else if (legacy_speed == (6<<8)) {
  9544. vars->line_speed = SPEED_1000;
  9545. vars->duplex = DUPLEX_HALF;
  9546. } else if (legacy_speed == (5<<8)) {
  9547. vars->line_speed = SPEED_100;
  9548. vars->duplex = DUPLEX_FULL;
  9549. }
  9550. /* Omitting 100Base-T4 for now */
  9551. else if (legacy_speed == (3<<8)) {
  9552. vars->line_speed = SPEED_100;
  9553. vars->duplex = DUPLEX_HALF;
  9554. } else if (legacy_speed == (2<<8)) {
  9555. vars->line_speed = SPEED_10;
  9556. vars->duplex = DUPLEX_FULL;
  9557. } else if (legacy_speed == (1<<8)) {
  9558. vars->line_speed = SPEED_10;
  9559. vars->duplex = DUPLEX_HALF;
  9560. } else /* Should not happen */
  9561. vars->line_speed = 0;
  9562. DP(NETIF_MSG_LINK,
  9563. "Link is up in %dMbps, is_duplex_full= %d\n",
  9564. vars->line_speed,
  9565. (vars->duplex == DUPLEX_FULL));
  9566. /* Check legacy speed AN resolution */
  9567. bnx2x_cl22_read(bp, phy,
  9568. 0x01,
  9569. &val);
  9570. if (val & (1<<5))
  9571. vars->link_status |=
  9572. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9573. bnx2x_cl22_read(bp, phy,
  9574. 0x06,
  9575. &val);
  9576. if ((val & (1<<0)) == 0)
  9577. vars->link_status |=
  9578. LINK_STATUS_PARALLEL_DETECTION_USED;
  9579. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9580. vars->line_speed);
  9581. /* Report whether EEE is resolved. */
  9582. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9583. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9584. if (vars->link_status &
  9585. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9586. val = 0;
  9587. else {
  9588. bnx2x_cl22_write(bp, phy,
  9589. MDIO_REG_GPHY_CL45_ADDR_REG,
  9590. MDIO_AN_DEVAD);
  9591. bnx2x_cl22_write(bp, phy,
  9592. MDIO_REG_GPHY_CL45_DATA_REG,
  9593. MDIO_REG_GPHY_EEE_RESOLVED);
  9594. bnx2x_cl22_write(bp, phy,
  9595. MDIO_REG_GPHY_CL45_ADDR_REG,
  9596. (0x1 << 14) | MDIO_AN_DEVAD);
  9597. bnx2x_cl22_read(bp, phy,
  9598. MDIO_REG_GPHY_CL45_DATA_REG,
  9599. &val);
  9600. }
  9601. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9602. }
  9603. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9604. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9605. /* Report LP advertised speeds */
  9606. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9607. if (val & (1<<5))
  9608. vars->link_status |=
  9609. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9610. if (val & (1<<6))
  9611. vars->link_status |=
  9612. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9613. if (val & (1<<7))
  9614. vars->link_status |=
  9615. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9616. if (val & (1<<8))
  9617. vars->link_status |=
  9618. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9619. if (val & (1<<9))
  9620. vars->link_status |=
  9621. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9622. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9623. if (val & (1<<10))
  9624. vars->link_status |=
  9625. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9626. if (val & (1<<11))
  9627. vars->link_status |=
  9628. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9629. }
  9630. }
  9631. return link_up;
  9632. }
  9633. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9634. struct link_params *params)
  9635. {
  9636. struct bnx2x *bp = params->bp;
  9637. u16 val;
  9638. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9639. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9640. /* Enable master/slave manual mmode and set to master */
  9641. /* mii write 9 [bits set 11 12] */
  9642. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9643. /* forced 1G and disable autoneg */
  9644. /* set val [mii read 0] */
  9645. /* set val [expr $val & [bits clear 6 12 13]] */
  9646. /* set val [expr $val | [bits set 6 8]] */
  9647. /* mii write 0 $val */
  9648. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9649. val &= ~((1<<6) | (1<<12) | (1<<13));
  9650. val |= (1<<6) | (1<<8);
  9651. bnx2x_cl22_write(bp, phy, 0x00, val);
  9652. /* Set external loopback and Tx using 6dB coding */
  9653. /* mii write 0x18 7 */
  9654. /* set val [mii read 0x18] */
  9655. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9656. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9657. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9658. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9659. /* This register opens the gate for the UMAC despite its name */
  9660. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9661. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9662. * length used by the MAC receive logic to check frames.
  9663. */
  9664. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9665. }
  9666. /******************************************************************/
  9667. /* SFX7101 PHY SECTION */
  9668. /******************************************************************/
  9669. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9670. struct link_params *params)
  9671. {
  9672. struct bnx2x *bp = params->bp;
  9673. /* SFX7101_XGXS_TEST1 */
  9674. bnx2x_cl45_write(bp, phy,
  9675. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9676. }
  9677. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9678. struct link_params *params,
  9679. struct link_vars *vars)
  9680. {
  9681. u16 fw_ver1, fw_ver2, val;
  9682. struct bnx2x *bp = params->bp;
  9683. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9684. /* Restore normal power mode*/
  9685. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9686. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9687. /* HW reset */
  9688. bnx2x_ext_phy_hw_reset(bp, params->port);
  9689. bnx2x_wait_reset_complete(bp, phy, params);
  9690. bnx2x_cl45_write(bp, phy,
  9691. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9692. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9693. bnx2x_cl45_write(bp, phy,
  9694. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9695. bnx2x_ext_phy_set_pause(params, phy, vars);
  9696. /* Restart autoneg */
  9697. bnx2x_cl45_read(bp, phy,
  9698. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9699. val |= 0x200;
  9700. bnx2x_cl45_write(bp, phy,
  9701. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9702. /* Save spirom version */
  9703. bnx2x_cl45_read(bp, phy,
  9704. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9705. bnx2x_cl45_read(bp, phy,
  9706. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9707. bnx2x_save_spirom_version(bp, params->port,
  9708. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9709. return 0;
  9710. }
  9711. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9712. struct link_params *params,
  9713. struct link_vars *vars)
  9714. {
  9715. struct bnx2x *bp = params->bp;
  9716. u8 link_up;
  9717. u16 val1, val2;
  9718. bnx2x_cl45_read(bp, phy,
  9719. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9720. bnx2x_cl45_read(bp, phy,
  9721. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9722. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9723. val2, val1);
  9724. bnx2x_cl45_read(bp, phy,
  9725. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9726. bnx2x_cl45_read(bp, phy,
  9727. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9728. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9729. val2, val1);
  9730. link_up = ((val1 & 4) == 4);
  9731. /* if link is up print the AN outcome of the SFX7101 PHY */
  9732. if (link_up) {
  9733. bnx2x_cl45_read(bp, phy,
  9734. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9735. &val2);
  9736. vars->line_speed = SPEED_10000;
  9737. vars->duplex = DUPLEX_FULL;
  9738. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9739. val2, (val2 & (1<<14)));
  9740. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9741. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9742. /* read LP advertised speeds */
  9743. if (val2 & (1<<11))
  9744. vars->link_status |=
  9745. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9746. }
  9747. return link_up;
  9748. }
  9749. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9750. {
  9751. if (*len < 5)
  9752. return -EINVAL;
  9753. str[0] = (spirom_ver & 0xFF);
  9754. str[1] = (spirom_ver & 0xFF00) >> 8;
  9755. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9756. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9757. str[4] = '\0';
  9758. *len -= 5;
  9759. return 0;
  9760. }
  9761. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9762. {
  9763. u16 val, cnt;
  9764. bnx2x_cl45_read(bp, phy,
  9765. MDIO_PMA_DEVAD,
  9766. MDIO_PMA_REG_7101_RESET, &val);
  9767. for (cnt = 0; cnt < 10; cnt++) {
  9768. msleep(50);
  9769. /* Writes a self-clearing reset */
  9770. bnx2x_cl45_write(bp, phy,
  9771. MDIO_PMA_DEVAD,
  9772. MDIO_PMA_REG_7101_RESET,
  9773. (val | (1<<15)));
  9774. /* Wait for clear */
  9775. bnx2x_cl45_read(bp, phy,
  9776. MDIO_PMA_DEVAD,
  9777. MDIO_PMA_REG_7101_RESET, &val);
  9778. if ((val & (1<<15)) == 0)
  9779. break;
  9780. }
  9781. }
  9782. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9783. struct link_params *params) {
  9784. /* Low power mode is controlled by GPIO 2 */
  9785. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9786. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9787. /* The PHY reset is controlled by GPIO 1 */
  9788. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9789. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9790. }
  9791. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9792. struct link_params *params, u8 mode)
  9793. {
  9794. u16 val = 0;
  9795. struct bnx2x *bp = params->bp;
  9796. switch (mode) {
  9797. case LED_MODE_FRONT_PANEL_OFF:
  9798. case LED_MODE_OFF:
  9799. val = 2;
  9800. break;
  9801. case LED_MODE_ON:
  9802. val = 1;
  9803. break;
  9804. case LED_MODE_OPER:
  9805. val = 0;
  9806. break;
  9807. }
  9808. bnx2x_cl45_write(bp, phy,
  9809. MDIO_PMA_DEVAD,
  9810. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9811. val);
  9812. }
  9813. /******************************************************************/
  9814. /* STATIC PHY DECLARATION */
  9815. /******************************************************************/
  9816. static struct bnx2x_phy phy_null = {
  9817. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9818. .addr = 0,
  9819. .def_md_devad = 0,
  9820. .flags = FLAGS_INIT_XGXS_FIRST,
  9821. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9822. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9823. .mdio_ctrl = 0,
  9824. .supported = 0,
  9825. .media_type = ETH_PHY_NOT_PRESENT,
  9826. .ver_addr = 0,
  9827. .req_flow_ctrl = 0,
  9828. .req_line_speed = 0,
  9829. .speed_cap_mask = 0,
  9830. .req_duplex = 0,
  9831. .rsrv = 0,
  9832. .config_init = (config_init_t)NULL,
  9833. .read_status = (read_status_t)NULL,
  9834. .link_reset = (link_reset_t)NULL,
  9835. .config_loopback = (config_loopback_t)NULL,
  9836. .format_fw_ver = (format_fw_ver_t)NULL,
  9837. .hw_reset = (hw_reset_t)NULL,
  9838. .set_link_led = (set_link_led_t)NULL,
  9839. .phy_specific_func = (phy_specific_func_t)NULL
  9840. };
  9841. static struct bnx2x_phy phy_serdes = {
  9842. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9843. .addr = 0xff,
  9844. .def_md_devad = 0,
  9845. .flags = 0,
  9846. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9847. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9848. .mdio_ctrl = 0,
  9849. .supported = (SUPPORTED_10baseT_Half |
  9850. SUPPORTED_10baseT_Full |
  9851. SUPPORTED_100baseT_Half |
  9852. SUPPORTED_100baseT_Full |
  9853. SUPPORTED_1000baseT_Full |
  9854. SUPPORTED_2500baseX_Full |
  9855. SUPPORTED_TP |
  9856. SUPPORTED_Autoneg |
  9857. SUPPORTED_Pause |
  9858. SUPPORTED_Asym_Pause),
  9859. .media_type = ETH_PHY_BASE_T,
  9860. .ver_addr = 0,
  9861. .req_flow_ctrl = 0,
  9862. .req_line_speed = 0,
  9863. .speed_cap_mask = 0,
  9864. .req_duplex = 0,
  9865. .rsrv = 0,
  9866. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9867. .read_status = (read_status_t)bnx2x_link_settings_status,
  9868. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9869. .config_loopback = (config_loopback_t)NULL,
  9870. .format_fw_ver = (format_fw_ver_t)NULL,
  9871. .hw_reset = (hw_reset_t)NULL,
  9872. .set_link_led = (set_link_led_t)NULL,
  9873. .phy_specific_func = (phy_specific_func_t)NULL
  9874. };
  9875. static struct bnx2x_phy phy_xgxs = {
  9876. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9877. .addr = 0xff,
  9878. .def_md_devad = 0,
  9879. .flags = 0,
  9880. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9881. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9882. .mdio_ctrl = 0,
  9883. .supported = (SUPPORTED_10baseT_Half |
  9884. SUPPORTED_10baseT_Full |
  9885. SUPPORTED_100baseT_Half |
  9886. SUPPORTED_100baseT_Full |
  9887. SUPPORTED_1000baseT_Full |
  9888. SUPPORTED_2500baseX_Full |
  9889. SUPPORTED_10000baseT_Full |
  9890. SUPPORTED_FIBRE |
  9891. SUPPORTED_Autoneg |
  9892. SUPPORTED_Pause |
  9893. SUPPORTED_Asym_Pause),
  9894. .media_type = ETH_PHY_CX4,
  9895. .ver_addr = 0,
  9896. .req_flow_ctrl = 0,
  9897. .req_line_speed = 0,
  9898. .speed_cap_mask = 0,
  9899. .req_duplex = 0,
  9900. .rsrv = 0,
  9901. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9902. .read_status = (read_status_t)bnx2x_link_settings_status,
  9903. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9904. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9905. .format_fw_ver = (format_fw_ver_t)NULL,
  9906. .hw_reset = (hw_reset_t)NULL,
  9907. .set_link_led = (set_link_led_t)NULL,
  9908. .phy_specific_func = (phy_specific_func_t)NULL
  9909. };
  9910. static struct bnx2x_phy phy_warpcore = {
  9911. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9912. .addr = 0xff,
  9913. .def_md_devad = 0,
  9914. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9915. FLAGS_TX_ERROR_CHECK),
  9916. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9917. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9918. .mdio_ctrl = 0,
  9919. .supported = (SUPPORTED_10baseT_Half |
  9920. SUPPORTED_10baseT_Full |
  9921. SUPPORTED_100baseT_Half |
  9922. SUPPORTED_100baseT_Full |
  9923. SUPPORTED_1000baseT_Full |
  9924. SUPPORTED_10000baseT_Full |
  9925. SUPPORTED_20000baseKR2_Full |
  9926. SUPPORTED_20000baseMLD2_Full |
  9927. SUPPORTED_FIBRE |
  9928. SUPPORTED_Autoneg |
  9929. SUPPORTED_Pause |
  9930. SUPPORTED_Asym_Pause),
  9931. .media_type = ETH_PHY_UNSPECIFIED,
  9932. .ver_addr = 0,
  9933. .req_flow_ctrl = 0,
  9934. .req_line_speed = 0,
  9935. .speed_cap_mask = 0,
  9936. /* req_duplex = */0,
  9937. /* rsrv = */0,
  9938. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9939. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9940. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9941. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9942. .format_fw_ver = (format_fw_ver_t)NULL,
  9943. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9944. .set_link_led = (set_link_led_t)NULL,
  9945. .phy_specific_func = (phy_specific_func_t)NULL
  9946. };
  9947. static struct bnx2x_phy phy_7101 = {
  9948. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9949. .addr = 0xff,
  9950. .def_md_devad = 0,
  9951. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9952. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9953. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9954. .mdio_ctrl = 0,
  9955. .supported = (SUPPORTED_10000baseT_Full |
  9956. SUPPORTED_TP |
  9957. SUPPORTED_Autoneg |
  9958. SUPPORTED_Pause |
  9959. SUPPORTED_Asym_Pause),
  9960. .media_type = ETH_PHY_BASE_T,
  9961. .ver_addr = 0,
  9962. .req_flow_ctrl = 0,
  9963. .req_line_speed = 0,
  9964. .speed_cap_mask = 0,
  9965. .req_duplex = 0,
  9966. .rsrv = 0,
  9967. .config_init = (config_init_t)bnx2x_7101_config_init,
  9968. .read_status = (read_status_t)bnx2x_7101_read_status,
  9969. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9970. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9971. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9972. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9973. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9974. .phy_specific_func = (phy_specific_func_t)NULL
  9975. };
  9976. static struct bnx2x_phy phy_8073 = {
  9977. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9978. .addr = 0xff,
  9979. .def_md_devad = 0,
  9980. .flags = FLAGS_HW_LOCK_REQUIRED,
  9981. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9982. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9983. .mdio_ctrl = 0,
  9984. .supported = (SUPPORTED_10000baseT_Full |
  9985. SUPPORTED_2500baseX_Full |
  9986. SUPPORTED_1000baseT_Full |
  9987. SUPPORTED_FIBRE |
  9988. SUPPORTED_Autoneg |
  9989. SUPPORTED_Pause |
  9990. SUPPORTED_Asym_Pause),
  9991. .media_type = ETH_PHY_KR,
  9992. .ver_addr = 0,
  9993. .req_flow_ctrl = 0,
  9994. .req_line_speed = 0,
  9995. .speed_cap_mask = 0,
  9996. .req_duplex = 0,
  9997. .rsrv = 0,
  9998. .config_init = (config_init_t)bnx2x_8073_config_init,
  9999. .read_status = (read_status_t)bnx2x_8073_read_status,
  10000. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10001. .config_loopback = (config_loopback_t)NULL,
  10002. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10003. .hw_reset = (hw_reset_t)NULL,
  10004. .set_link_led = (set_link_led_t)NULL,
  10005. .phy_specific_func = (phy_specific_func_t)NULL
  10006. };
  10007. static struct bnx2x_phy phy_8705 = {
  10008. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10009. .addr = 0xff,
  10010. .def_md_devad = 0,
  10011. .flags = FLAGS_INIT_XGXS_FIRST,
  10012. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10013. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10014. .mdio_ctrl = 0,
  10015. .supported = (SUPPORTED_10000baseT_Full |
  10016. SUPPORTED_FIBRE |
  10017. SUPPORTED_Pause |
  10018. SUPPORTED_Asym_Pause),
  10019. .media_type = ETH_PHY_XFP_FIBER,
  10020. .ver_addr = 0,
  10021. .req_flow_ctrl = 0,
  10022. .req_line_speed = 0,
  10023. .speed_cap_mask = 0,
  10024. .req_duplex = 0,
  10025. .rsrv = 0,
  10026. .config_init = (config_init_t)bnx2x_8705_config_init,
  10027. .read_status = (read_status_t)bnx2x_8705_read_status,
  10028. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10029. .config_loopback = (config_loopback_t)NULL,
  10030. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10031. .hw_reset = (hw_reset_t)NULL,
  10032. .set_link_led = (set_link_led_t)NULL,
  10033. .phy_specific_func = (phy_specific_func_t)NULL
  10034. };
  10035. static struct bnx2x_phy phy_8706 = {
  10036. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10037. .addr = 0xff,
  10038. .def_md_devad = 0,
  10039. .flags = FLAGS_INIT_XGXS_FIRST,
  10040. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10041. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10042. .mdio_ctrl = 0,
  10043. .supported = (SUPPORTED_10000baseT_Full |
  10044. SUPPORTED_1000baseT_Full |
  10045. SUPPORTED_FIBRE |
  10046. SUPPORTED_Pause |
  10047. SUPPORTED_Asym_Pause),
  10048. .media_type = ETH_PHY_SFP_FIBER,
  10049. .ver_addr = 0,
  10050. .req_flow_ctrl = 0,
  10051. .req_line_speed = 0,
  10052. .speed_cap_mask = 0,
  10053. .req_duplex = 0,
  10054. .rsrv = 0,
  10055. .config_init = (config_init_t)bnx2x_8706_config_init,
  10056. .read_status = (read_status_t)bnx2x_8706_read_status,
  10057. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10058. .config_loopback = (config_loopback_t)NULL,
  10059. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10060. .hw_reset = (hw_reset_t)NULL,
  10061. .set_link_led = (set_link_led_t)NULL,
  10062. .phy_specific_func = (phy_specific_func_t)NULL
  10063. };
  10064. static struct bnx2x_phy phy_8726 = {
  10065. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10066. .addr = 0xff,
  10067. .def_md_devad = 0,
  10068. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10069. FLAGS_INIT_XGXS_FIRST |
  10070. FLAGS_TX_ERROR_CHECK),
  10071. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10072. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10073. .mdio_ctrl = 0,
  10074. .supported = (SUPPORTED_10000baseT_Full |
  10075. SUPPORTED_1000baseT_Full |
  10076. SUPPORTED_Autoneg |
  10077. SUPPORTED_FIBRE |
  10078. SUPPORTED_Pause |
  10079. SUPPORTED_Asym_Pause),
  10080. .media_type = ETH_PHY_NOT_PRESENT,
  10081. .ver_addr = 0,
  10082. .req_flow_ctrl = 0,
  10083. .req_line_speed = 0,
  10084. .speed_cap_mask = 0,
  10085. .req_duplex = 0,
  10086. .rsrv = 0,
  10087. .config_init = (config_init_t)bnx2x_8726_config_init,
  10088. .read_status = (read_status_t)bnx2x_8726_read_status,
  10089. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10090. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10091. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10092. .hw_reset = (hw_reset_t)NULL,
  10093. .set_link_led = (set_link_led_t)NULL,
  10094. .phy_specific_func = (phy_specific_func_t)NULL
  10095. };
  10096. static struct bnx2x_phy phy_8727 = {
  10097. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10098. .addr = 0xff,
  10099. .def_md_devad = 0,
  10100. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10101. FLAGS_TX_ERROR_CHECK),
  10102. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10103. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10104. .mdio_ctrl = 0,
  10105. .supported = (SUPPORTED_10000baseT_Full |
  10106. SUPPORTED_1000baseT_Full |
  10107. SUPPORTED_FIBRE |
  10108. SUPPORTED_Pause |
  10109. SUPPORTED_Asym_Pause),
  10110. .media_type = ETH_PHY_NOT_PRESENT,
  10111. .ver_addr = 0,
  10112. .req_flow_ctrl = 0,
  10113. .req_line_speed = 0,
  10114. .speed_cap_mask = 0,
  10115. .req_duplex = 0,
  10116. .rsrv = 0,
  10117. .config_init = (config_init_t)bnx2x_8727_config_init,
  10118. .read_status = (read_status_t)bnx2x_8727_read_status,
  10119. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10120. .config_loopback = (config_loopback_t)NULL,
  10121. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10122. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10123. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10124. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10125. };
  10126. static struct bnx2x_phy phy_8481 = {
  10127. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10128. .addr = 0xff,
  10129. .def_md_devad = 0,
  10130. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10131. FLAGS_REARM_LATCH_SIGNAL,
  10132. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10133. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10134. .mdio_ctrl = 0,
  10135. .supported = (SUPPORTED_10baseT_Half |
  10136. SUPPORTED_10baseT_Full |
  10137. SUPPORTED_100baseT_Half |
  10138. SUPPORTED_100baseT_Full |
  10139. SUPPORTED_1000baseT_Full |
  10140. SUPPORTED_10000baseT_Full |
  10141. SUPPORTED_TP |
  10142. SUPPORTED_Autoneg |
  10143. SUPPORTED_Pause |
  10144. SUPPORTED_Asym_Pause),
  10145. .media_type = ETH_PHY_BASE_T,
  10146. .ver_addr = 0,
  10147. .req_flow_ctrl = 0,
  10148. .req_line_speed = 0,
  10149. .speed_cap_mask = 0,
  10150. .req_duplex = 0,
  10151. .rsrv = 0,
  10152. .config_init = (config_init_t)bnx2x_8481_config_init,
  10153. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10154. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10155. .config_loopback = (config_loopback_t)NULL,
  10156. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10157. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10158. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10159. .phy_specific_func = (phy_specific_func_t)NULL
  10160. };
  10161. static struct bnx2x_phy phy_84823 = {
  10162. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10163. .addr = 0xff,
  10164. .def_md_devad = 0,
  10165. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10166. FLAGS_REARM_LATCH_SIGNAL |
  10167. FLAGS_TX_ERROR_CHECK),
  10168. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10169. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10170. .mdio_ctrl = 0,
  10171. .supported = (SUPPORTED_10baseT_Half |
  10172. SUPPORTED_10baseT_Full |
  10173. SUPPORTED_100baseT_Half |
  10174. SUPPORTED_100baseT_Full |
  10175. SUPPORTED_1000baseT_Full |
  10176. SUPPORTED_10000baseT_Full |
  10177. SUPPORTED_TP |
  10178. SUPPORTED_Autoneg |
  10179. SUPPORTED_Pause |
  10180. SUPPORTED_Asym_Pause),
  10181. .media_type = ETH_PHY_BASE_T,
  10182. .ver_addr = 0,
  10183. .req_flow_ctrl = 0,
  10184. .req_line_speed = 0,
  10185. .speed_cap_mask = 0,
  10186. .req_duplex = 0,
  10187. .rsrv = 0,
  10188. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10189. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10190. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10191. .config_loopback = (config_loopback_t)NULL,
  10192. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10193. .hw_reset = (hw_reset_t)NULL,
  10194. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10195. .phy_specific_func = (phy_specific_func_t)NULL
  10196. };
  10197. static struct bnx2x_phy phy_84833 = {
  10198. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10199. .addr = 0xff,
  10200. .def_md_devad = 0,
  10201. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10202. FLAGS_REARM_LATCH_SIGNAL |
  10203. FLAGS_TX_ERROR_CHECK |
  10204. FLAGS_EEE_10GBT),
  10205. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10206. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10207. .mdio_ctrl = 0,
  10208. .supported = (SUPPORTED_100baseT_Half |
  10209. SUPPORTED_100baseT_Full |
  10210. SUPPORTED_1000baseT_Full |
  10211. SUPPORTED_10000baseT_Full |
  10212. SUPPORTED_TP |
  10213. SUPPORTED_Autoneg |
  10214. SUPPORTED_Pause |
  10215. SUPPORTED_Asym_Pause),
  10216. .media_type = ETH_PHY_BASE_T,
  10217. .ver_addr = 0,
  10218. .req_flow_ctrl = 0,
  10219. .req_line_speed = 0,
  10220. .speed_cap_mask = 0,
  10221. .req_duplex = 0,
  10222. .rsrv = 0,
  10223. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10224. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10225. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10226. .config_loopback = (config_loopback_t)NULL,
  10227. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10228. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10229. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10230. .phy_specific_func = (phy_specific_func_t)NULL
  10231. };
  10232. static struct bnx2x_phy phy_54618se = {
  10233. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10234. .addr = 0xff,
  10235. .def_md_devad = 0,
  10236. .flags = FLAGS_INIT_XGXS_FIRST,
  10237. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10238. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10239. .mdio_ctrl = 0,
  10240. .supported = (SUPPORTED_10baseT_Half |
  10241. SUPPORTED_10baseT_Full |
  10242. SUPPORTED_100baseT_Half |
  10243. SUPPORTED_100baseT_Full |
  10244. SUPPORTED_1000baseT_Full |
  10245. SUPPORTED_TP |
  10246. SUPPORTED_Autoneg |
  10247. SUPPORTED_Pause |
  10248. SUPPORTED_Asym_Pause),
  10249. .media_type = ETH_PHY_BASE_T,
  10250. .ver_addr = 0,
  10251. .req_flow_ctrl = 0,
  10252. .req_line_speed = 0,
  10253. .speed_cap_mask = 0,
  10254. /* req_duplex = */0,
  10255. /* rsrv = */0,
  10256. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10257. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10258. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10259. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10260. .format_fw_ver = (format_fw_ver_t)NULL,
  10261. .hw_reset = (hw_reset_t)NULL,
  10262. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10263. .phy_specific_func = (phy_specific_func_t)NULL
  10264. };
  10265. /*****************************************************************/
  10266. /* */
  10267. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10268. /* */
  10269. /*****************************************************************/
  10270. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10271. struct bnx2x_phy *phy, u8 port,
  10272. u8 phy_index)
  10273. {
  10274. /* Get the 4 lanes xgxs config rx and tx */
  10275. u32 rx = 0, tx = 0, i;
  10276. for (i = 0; i < 2; i++) {
  10277. /* INT_PHY and EXT_PHY1 share the same value location in
  10278. * the shmem. When num_phys is greater than 1, than this value
  10279. * applies only to EXT_PHY1
  10280. */
  10281. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10282. rx = REG_RD(bp, shmem_base +
  10283. offsetof(struct shmem_region,
  10284. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10285. tx = REG_RD(bp, shmem_base +
  10286. offsetof(struct shmem_region,
  10287. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10288. } else {
  10289. rx = REG_RD(bp, shmem_base +
  10290. offsetof(struct shmem_region,
  10291. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10292. tx = REG_RD(bp, shmem_base +
  10293. offsetof(struct shmem_region,
  10294. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10295. }
  10296. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10297. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10298. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10299. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10300. }
  10301. }
  10302. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10303. u8 phy_index, u8 port)
  10304. {
  10305. u32 ext_phy_config = 0;
  10306. switch (phy_index) {
  10307. case EXT_PHY1:
  10308. ext_phy_config = REG_RD(bp, shmem_base +
  10309. offsetof(struct shmem_region,
  10310. dev_info.port_hw_config[port].external_phy_config));
  10311. break;
  10312. case EXT_PHY2:
  10313. ext_phy_config = REG_RD(bp, shmem_base +
  10314. offsetof(struct shmem_region,
  10315. dev_info.port_hw_config[port].external_phy_config2));
  10316. break;
  10317. default:
  10318. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10319. return -EINVAL;
  10320. }
  10321. return ext_phy_config;
  10322. }
  10323. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10324. struct bnx2x_phy *phy)
  10325. {
  10326. u32 phy_addr;
  10327. u32 chip_id;
  10328. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10329. offsetof(struct shmem_region,
  10330. dev_info.port_feature_config[port].link_config)) &
  10331. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10332. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10333. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10334. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10335. if (USES_WARPCORE(bp)) {
  10336. u32 serdes_net_if;
  10337. phy_addr = REG_RD(bp,
  10338. MISC_REG_WC0_CTRL_PHY_ADDR);
  10339. *phy = phy_warpcore;
  10340. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10341. phy->flags |= FLAGS_4_PORT_MODE;
  10342. else
  10343. phy->flags &= ~FLAGS_4_PORT_MODE;
  10344. /* Check Dual mode */
  10345. serdes_net_if = (REG_RD(bp, shmem_base +
  10346. offsetof(struct shmem_region, dev_info.
  10347. port_hw_config[port].default_cfg)) &
  10348. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10349. /* Set the appropriate supported and flags indications per
  10350. * interface type of the chip
  10351. */
  10352. switch (serdes_net_if) {
  10353. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10354. phy->supported &= (SUPPORTED_10baseT_Half |
  10355. SUPPORTED_10baseT_Full |
  10356. SUPPORTED_100baseT_Half |
  10357. SUPPORTED_100baseT_Full |
  10358. SUPPORTED_1000baseT_Full |
  10359. SUPPORTED_FIBRE |
  10360. SUPPORTED_Autoneg |
  10361. SUPPORTED_Pause |
  10362. SUPPORTED_Asym_Pause);
  10363. phy->media_type = ETH_PHY_BASE_T;
  10364. break;
  10365. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10366. phy->media_type = ETH_PHY_XFP_FIBER;
  10367. break;
  10368. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10369. phy->supported &= (SUPPORTED_1000baseT_Full |
  10370. SUPPORTED_10000baseT_Full |
  10371. SUPPORTED_FIBRE |
  10372. SUPPORTED_Pause |
  10373. SUPPORTED_Asym_Pause);
  10374. phy->media_type = ETH_PHY_SFP_FIBER;
  10375. break;
  10376. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10377. phy->media_type = ETH_PHY_KR;
  10378. phy->supported &= (SUPPORTED_1000baseT_Full |
  10379. SUPPORTED_10000baseT_Full |
  10380. SUPPORTED_FIBRE |
  10381. SUPPORTED_Autoneg |
  10382. SUPPORTED_Pause |
  10383. SUPPORTED_Asym_Pause);
  10384. break;
  10385. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10386. phy->media_type = ETH_PHY_KR;
  10387. phy->flags |= FLAGS_WC_DUAL_MODE;
  10388. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10389. SUPPORTED_FIBRE |
  10390. SUPPORTED_Pause |
  10391. SUPPORTED_Asym_Pause);
  10392. break;
  10393. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10394. phy->media_type = ETH_PHY_KR;
  10395. phy->flags |= FLAGS_WC_DUAL_MODE;
  10396. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10397. SUPPORTED_FIBRE |
  10398. SUPPORTED_Pause |
  10399. SUPPORTED_Asym_Pause);
  10400. break;
  10401. default:
  10402. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10403. serdes_net_if);
  10404. break;
  10405. }
  10406. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10407. * was not set as expected. For B0, ECO will be enabled so there
  10408. * won't be an issue there
  10409. */
  10410. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10411. phy->flags |= FLAGS_MDC_MDIO_WA;
  10412. else
  10413. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10414. } else {
  10415. switch (switch_cfg) {
  10416. case SWITCH_CFG_1G:
  10417. phy_addr = REG_RD(bp,
  10418. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10419. port * 0x10);
  10420. *phy = phy_serdes;
  10421. break;
  10422. case SWITCH_CFG_10G:
  10423. phy_addr = REG_RD(bp,
  10424. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10425. port * 0x18);
  10426. *phy = phy_xgxs;
  10427. break;
  10428. default:
  10429. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10430. return -EINVAL;
  10431. }
  10432. }
  10433. phy->addr = (u8)phy_addr;
  10434. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10435. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10436. port);
  10437. if (CHIP_IS_E2(bp))
  10438. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10439. else
  10440. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10441. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10442. port, phy->addr, phy->mdio_ctrl);
  10443. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10444. return 0;
  10445. }
  10446. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10447. u8 phy_index,
  10448. u32 shmem_base,
  10449. u32 shmem2_base,
  10450. u8 port,
  10451. struct bnx2x_phy *phy)
  10452. {
  10453. u32 ext_phy_config, phy_type, config2;
  10454. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10455. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10456. phy_index, port);
  10457. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10458. /* Select the phy type */
  10459. switch (phy_type) {
  10460. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10461. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10462. *phy = phy_8073;
  10463. break;
  10464. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10465. *phy = phy_8705;
  10466. break;
  10467. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10468. *phy = phy_8706;
  10469. break;
  10470. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10471. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10472. *phy = phy_8726;
  10473. break;
  10474. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10475. /* BCM8727_NOC => BCM8727 no over current */
  10476. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10477. *phy = phy_8727;
  10478. phy->flags |= FLAGS_NOC;
  10479. break;
  10480. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10481. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10482. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10483. *phy = phy_8727;
  10484. break;
  10485. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10486. *phy = phy_8481;
  10487. break;
  10488. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10489. *phy = phy_84823;
  10490. break;
  10491. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10492. *phy = phy_84833;
  10493. break;
  10494. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10495. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10496. *phy = phy_54618se;
  10497. break;
  10498. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10499. *phy = phy_7101;
  10500. break;
  10501. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10502. *phy = phy_null;
  10503. return -EINVAL;
  10504. default:
  10505. *phy = phy_null;
  10506. /* In case external PHY wasn't found */
  10507. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10508. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10509. return -EINVAL;
  10510. return 0;
  10511. }
  10512. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10513. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10514. /* The shmem address of the phy version is located on different
  10515. * structures. In case this structure is too old, do not set
  10516. * the address
  10517. */
  10518. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10519. dev_info.shared_hw_config.config2));
  10520. if (phy_index == EXT_PHY1) {
  10521. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10522. port_mb[port].ext_phy_fw_version);
  10523. /* Check specific mdc mdio settings */
  10524. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10525. mdc_mdio_access = config2 &
  10526. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10527. } else {
  10528. u32 size = REG_RD(bp, shmem2_base);
  10529. if (size >
  10530. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10531. phy->ver_addr = shmem2_base +
  10532. offsetof(struct shmem2_region,
  10533. ext_phy_fw_version2[port]);
  10534. }
  10535. /* Check specific mdc mdio settings */
  10536. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10537. mdc_mdio_access = (config2 &
  10538. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10539. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10540. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10541. }
  10542. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10543. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10544. (phy->ver_addr)) {
  10545. /* Remove 100Mb link supported for BCM84833 when phy fw
  10546. * version lower than or equal to 1.39
  10547. */
  10548. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10549. if (((raw_ver & 0x7F) <= 39) &&
  10550. (((raw_ver & 0xF80) >> 7) <= 1))
  10551. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10552. SUPPORTED_100baseT_Full);
  10553. }
  10554. /* In case mdc/mdio_access of the external phy is different than the
  10555. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10556. * to prevent one port interfere with another port's CL45 operations.
  10557. */
  10558. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10559. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10560. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10561. phy_type, port, phy_index);
  10562. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10563. phy->addr, phy->mdio_ctrl);
  10564. return 0;
  10565. }
  10566. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10567. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10568. {
  10569. int status = 0;
  10570. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10571. if (phy_index == INT_PHY)
  10572. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10573. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10574. port, phy);
  10575. return status;
  10576. }
  10577. static void bnx2x_phy_def_cfg(struct link_params *params,
  10578. struct bnx2x_phy *phy,
  10579. u8 phy_index)
  10580. {
  10581. struct bnx2x *bp = params->bp;
  10582. u32 link_config;
  10583. /* Populate the default phy configuration for MF mode */
  10584. if (phy_index == EXT_PHY2) {
  10585. link_config = REG_RD(bp, params->shmem_base +
  10586. offsetof(struct shmem_region, dev_info.
  10587. port_feature_config[params->port].link_config2));
  10588. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10589. offsetof(struct shmem_region,
  10590. dev_info.
  10591. port_hw_config[params->port].speed_capability_mask2));
  10592. } else {
  10593. link_config = REG_RD(bp, params->shmem_base +
  10594. offsetof(struct shmem_region, dev_info.
  10595. port_feature_config[params->port].link_config));
  10596. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10597. offsetof(struct shmem_region,
  10598. dev_info.
  10599. port_hw_config[params->port].speed_capability_mask));
  10600. }
  10601. DP(NETIF_MSG_LINK,
  10602. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10603. phy_index, link_config, phy->speed_cap_mask);
  10604. phy->req_duplex = DUPLEX_FULL;
  10605. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10606. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10607. phy->req_duplex = DUPLEX_HALF;
  10608. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10609. phy->req_line_speed = SPEED_10;
  10610. break;
  10611. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10612. phy->req_duplex = DUPLEX_HALF;
  10613. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10614. phy->req_line_speed = SPEED_100;
  10615. break;
  10616. case PORT_FEATURE_LINK_SPEED_1G:
  10617. phy->req_line_speed = SPEED_1000;
  10618. break;
  10619. case PORT_FEATURE_LINK_SPEED_2_5G:
  10620. phy->req_line_speed = SPEED_2500;
  10621. break;
  10622. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10623. phy->req_line_speed = SPEED_10000;
  10624. break;
  10625. default:
  10626. phy->req_line_speed = SPEED_AUTO_NEG;
  10627. break;
  10628. }
  10629. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10630. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10631. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10632. break;
  10633. case PORT_FEATURE_FLOW_CONTROL_TX:
  10634. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10635. break;
  10636. case PORT_FEATURE_FLOW_CONTROL_RX:
  10637. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10638. break;
  10639. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10640. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10641. break;
  10642. default:
  10643. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10644. break;
  10645. }
  10646. }
  10647. u32 bnx2x_phy_selection(struct link_params *params)
  10648. {
  10649. u32 phy_config_swapped, prio_cfg;
  10650. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10651. phy_config_swapped = params->multi_phy_config &
  10652. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10653. prio_cfg = params->multi_phy_config &
  10654. PORT_HW_CFG_PHY_SELECTION_MASK;
  10655. if (phy_config_swapped) {
  10656. switch (prio_cfg) {
  10657. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10658. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10659. break;
  10660. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10661. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10662. break;
  10663. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10664. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10665. break;
  10666. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10667. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10668. break;
  10669. }
  10670. } else
  10671. return_cfg = prio_cfg;
  10672. return return_cfg;
  10673. }
  10674. int bnx2x_phy_probe(struct link_params *params)
  10675. {
  10676. u8 phy_index, actual_phy_idx;
  10677. u32 phy_config_swapped, sync_offset, media_types;
  10678. struct bnx2x *bp = params->bp;
  10679. struct bnx2x_phy *phy;
  10680. params->num_phys = 0;
  10681. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10682. phy_config_swapped = params->multi_phy_config &
  10683. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10684. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10685. phy_index++) {
  10686. actual_phy_idx = phy_index;
  10687. if (phy_config_swapped) {
  10688. if (phy_index == EXT_PHY1)
  10689. actual_phy_idx = EXT_PHY2;
  10690. else if (phy_index == EXT_PHY2)
  10691. actual_phy_idx = EXT_PHY1;
  10692. }
  10693. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10694. " actual_phy_idx %x\n", phy_config_swapped,
  10695. phy_index, actual_phy_idx);
  10696. phy = &params->phy[actual_phy_idx];
  10697. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10698. params->shmem2_base, params->port,
  10699. phy) != 0) {
  10700. params->num_phys = 0;
  10701. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10702. phy_index);
  10703. for (phy_index = INT_PHY;
  10704. phy_index < MAX_PHYS;
  10705. phy_index++)
  10706. *phy = phy_null;
  10707. return -EINVAL;
  10708. }
  10709. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10710. break;
  10711. if (params->feature_config_flags &
  10712. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10713. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10714. sync_offset = params->shmem_base +
  10715. offsetof(struct shmem_region,
  10716. dev_info.port_hw_config[params->port].media_type);
  10717. media_types = REG_RD(bp, sync_offset);
  10718. /* Update media type for non-PMF sync only for the first time
  10719. * In case the media type changes afterwards, it will be updated
  10720. * using the update_status function
  10721. */
  10722. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10723. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10724. actual_phy_idx))) == 0) {
  10725. media_types |= ((phy->media_type &
  10726. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10727. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10728. actual_phy_idx));
  10729. }
  10730. REG_WR(bp, sync_offset, media_types);
  10731. bnx2x_phy_def_cfg(params, phy, phy_index);
  10732. params->num_phys++;
  10733. }
  10734. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10735. return 0;
  10736. }
  10737. void bnx2x_init_bmac_loopback(struct link_params *params,
  10738. struct link_vars *vars)
  10739. {
  10740. struct bnx2x *bp = params->bp;
  10741. vars->link_up = 1;
  10742. vars->line_speed = SPEED_10000;
  10743. vars->duplex = DUPLEX_FULL;
  10744. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10745. vars->mac_type = MAC_TYPE_BMAC;
  10746. vars->phy_flags = PHY_XGXS_FLAG;
  10747. bnx2x_xgxs_deassert(params);
  10748. /* set bmac loopback */
  10749. bnx2x_bmac_enable(params, vars, 1);
  10750. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10751. }
  10752. void bnx2x_init_emac_loopback(struct link_params *params,
  10753. struct link_vars *vars)
  10754. {
  10755. struct bnx2x *bp = params->bp;
  10756. vars->link_up = 1;
  10757. vars->line_speed = SPEED_1000;
  10758. vars->duplex = DUPLEX_FULL;
  10759. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10760. vars->mac_type = MAC_TYPE_EMAC;
  10761. vars->phy_flags = PHY_XGXS_FLAG;
  10762. bnx2x_xgxs_deassert(params);
  10763. /* set bmac loopback */
  10764. bnx2x_emac_enable(params, vars, 1);
  10765. bnx2x_emac_program(params, vars);
  10766. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10767. }
  10768. void bnx2x_init_xmac_loopback(struct link_params *params,
  10769. struct link_vars *vars)
  10770. {
  10771. struct bnx2x *bp = params->bp;
  10772. vars->link_up = 1;
  10773. if (!params->req_line_speed[0])
  10774. vars->line_speed = SPEED_10000;
  10775. else
  10776. vars->line_speed = params->req_line_speed[0];
  10777. vars->duplex = DUPLEX_FULL;
  10778. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10779. vars->mac_type = MAC_TYPE_XMAC;
  10780. vars->phy_flags = PHY_XGXS_FLAG;
  10781. /* Set WC to loopback mode since link is required to provide clock
  10782. * to the XMAC in 20G mode
  10783. */
  10784. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10785. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10786. params->phy[INT_PHY].config_loopback(
  10787. &params->phy[INT_PHY],
  10788. params);
  10789. bnx2x_xmac_enable(params, vars, 1);
  10790. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10791. }
  10792. void bnx2x_init_umac_loopback(struct link_params *params,
  10793. struct link_vars *vars)
  10794. {
  10795. struct bnx2x *bp = params->bp;
  10796. vars->link_up = 1;
  10797. vars->line_speed = SPEED_1000;
  10798. vars->duplex = DUPLEX_FULL;
  10799. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10800. vars->mac_type = MAC_TYPE_UMAC;
  10801. vars->phy_flags = PHY_XGXS_FLAG;
  10802. bnx2x_umac_enable(params, vars, 1);
  10803. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10804. }
  10805. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10806. struct link_vars *vars)
  10807. {
  10808. struct bnx2x *bp = params->bp;
  10809. vars->link_up = 1;
  10810. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10811. vars->duplex = DUPLEX_FULL;
  10812. if (params->req_line_speed[0] == SPEED_1000)
  10813. vars->line_speed = SPEED_1000;
  10814. else
  10815. vars->line_speed = SPEED_10000;
  10816. if (!USES_WARPCORE(bp))
  10817. bnx2x_xgxs_deassert(params);
  10818. bnx2x_link_initialize(params, vars);
  10819. if (params->req_line_speed[0] == SPEED_1000) {
  10820. if (USES_WARPCORE(bp))
  10821. bnx2x_umac_enable(params, vars, 0);
  10822. else {
  10823. bnx2x_emac_program(params, vars);
  10824. bnx2x_emac_enable(params, vars, 0);
  10825. }
  10826. } else {
  10827. if (USES_WARPCORE(bp))
  10828. bnx2x_xmac_enable(params, vars, 0);
  10829. else
  10830. bnx2x_bmac_enable(params, vars, 0);
  10831. }
  10832. if (params->loopback_mode == LOOPBACK_XGXS) {
  10833. /* set 10G XGXS loopback */
  10834. params->phy[INT_PHY].config_loopback(
  10835. &params->phy[INT_PHY],
  10836. params);
  10837. } else {
  10838. /* set external phy loopback */
  10839. u8 phy_index;
  10840. for (phy_index = EXT_PHY1;
  10841. phy_index < params->num_phys; phy_index++) {
  10842. if (params->phy[phy_index].config_loopback)
  10843. params->phy[phy_index].config_loopback(
  10844. &params->phy[phy_index],
  10845. params);
  10846. }
  10847. }
  10848. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10849. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10850. }
  10851. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10852. {
  10853. struct bnx2x *bp = params->bp;
  10854. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10855. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10856. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10857. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10858. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10859. vars->link_status = 0;
  10860. vars->phy_link_up = 0;
  10861. vars->link_up = 0;
  10862. vars->line_speed = 0;
  10863. vars->duplex = DUPLEX_FULL;
  10864. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10865. vars->mac_type = MAC_TYPE_NONE;
  10866. vars->phy_flags = 0;
  10867. /* disable attentions */
  10868. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10869. (NIG_MASK_XGXS0_LINK_STATUS |
  10870. NIG_MASK_XGXS0_LINK10G |
  10871. NIG_MASK_SERDES0_LINK_STATUS |
  10872. NIG_MASK_MI_INT));
  10873. bnx2x_emac_init(params, vars);
  10874. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10875. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10876. if (params->num_phys == 0) {
  10877. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10878. return -EINVAL;
  10879. }
  10880. set_phy_vars(params, vars);
  10881. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10882. switch (params->loopback_mode) {
  10883. case LOOPBACK_BMAC:
  10884. bnx2x_init_bmac_loopback(params, vars);
  10885. break;
  10886. case LOOPBACK_EMAC:
  10887. bnx2x_init_emac_loopback(params, vars);
  10888. break;
  10889. case LOOPBACK_XMAC:
  10890. bnx2x_init_xmac_loopback(params, vars);
  10891. break;
  10892. case LOOPBACK_UMAC:
  10893. bnx2x_init_umac_loopback(params, vars);
  10894. break;
  10895. case LOOPBACK_XGXS:
  10896. case LOOPBACK_EXT_PHY:
  10897. bnx2x_init_xgxs_loopback(params, vars);
  10898. break;
  10899. default:
  10900. if (!CHIP_IS_E3(bp)) {
  10901. if (params->switch_cfg == SWITCH_CFG_10G)
  10902. bnx2x_xgxs_deassert(params);
  10903. else
  10904. bnx2x_serdes_deassert(bp, params->port);
  10905. }
  10906. bnx2x_link_initialize(params, vars);
  10907. msleep(30);
  10908. bnx2x_link_int_enable(params);
  10909. break;
  10910. }
  10911. bnx2x_update_mng(params, vars->link_status);
  10912. bnx2x_update_mng_eee(params, vars->eee_status);
  10913. return 0;
  10914. }
  10915. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10916. u8 reset_ext_phy)
  10917. {
  10918. struct bnx2x *bp = params->bp;
  10919. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10920. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10921. /* disable attentions */
  10922. vars->link_status = 0;
  10923. bnx2x_update_mng(params, vars->link_status);
  10924. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10925. SHMEM_EEE_ACTIVE_BIT);
  10926. bnx2x_update_mng_eee(params, vars->eee_status);
  10927. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10928. (NIG_MASK_XGXS0_LINK_STATUS |
  10929. NIG_MASK_XGXS0_LINK10G |
  10930. NIG_MASK_SERDES0_LINK_STATUS |
  10931. NIG_MASK_MI_INT));
  10932. /* activate nig drain */
  10933. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10934. /* disable nig egress interface */
  10935. if (!CHIP_IS_E3(bp)) {
  10936. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10937. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10938. }
  10939. /* Stop BigMac rx */
  10940. if (!CHIP_IS_E3(bp))
  10941. bnx2x_bmac_rx_disable(bp, port);
  10942. else {
  10943. bnx2x_xmac_disable(params);
  10944. bnx2x_umac_disable(params);
  10945. }
  10946. /* disable emac */
  10947. if (!CHIP_IS_E3(bp))
  10948. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10949. msleep(10);
  10950. /* The PHY reset is controlled by GPIO 1
  10951. * Hold it as vars low
  10952. */
  10953. /* clear link led */
  10954. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10955. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10956. if (reset_ext_phy) {
  10957. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10958. phy_index++) {
  10959. if (params->phy[phy_index].link_reset) {
  10960. bnx2x_set_aer_mmd(params,
  10961. &params->phy[phy_index]);
  10962. params->phy[phy_index].link_reset(
  10963. &params->phy[phy_index],
  10964. params);
  10965. }
  10966. if (params->phy[phy_index].flags &
  10967. FLAGS_REARM_LATCH_SIGNAL)
  10968. clear_latch_ind = 1;
  10969. }
  10970. }
  10971. if (clear_latch_ind) {
  10972. /* Clear latching indication */
  10973. bnx2x_rearm_latch_signal(bp, port, 0);
  10974. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10975. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10976. }
  10977. if (params->phy[INT_PHY].link_reset)
  10978. params->phy[INT_PHY].link_reset(
  10979. &params->phy[INT_PHY], params);
  10980. /* disable nig ingress interface */
  10981. if (!CHIP_IS_E3(bp)) {
  10982. /* reset BigMac */
  10983. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10984. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10985. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10986. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10987. } else {
  10988. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10989. bnx2x_set_xumac_nig(params, 0, 0);
  10990. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10991. MISC_REGISTERS_RESET_REG_2_XMAC)
  10992. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10993. XMAC_CTRL_REG_SOFT_RESET);
  10994. }
  10995. vars->link_up = 0;
  10996. vars->phy_flags = 0;
  10997. return 0;
  10998. }
  10999. /****************************************************************************/
  11000. /* Common function */
  11001. /****************************************************************************/
  11002. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11003. u32 shmem_base_path[],
  11004. u32 shmem2_base_path[], u8 phy_index,
  11005. u32 chip_id)
  11006. {
  11007. struct bnx2x_phy phy[PORT_MAX];
  11008. struct bnx2x_phy *phy_blk[PORT_MAX];
  11009. u16 val;
  11010. s8 port = 0;
  11011. s8 port_of_path = 0;
  11012. u32 swap_val, swap_override;
  11013. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11014. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11015. port ^= (swap_val && swap_override);
  11016. bnx2x_ext_phy_hw_reset(bp, port);
  11017. /* PART1 - Reset both phys */
  11018. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11019. u32 shmem_base, shmem2_base;
  11020. /* In E2, same phy is using for port0 of the two paths */
  11021. if (CHIP_IS_E1x(bp)) {
  11022. shmem_base = shmem_base_path[0];
  11023. shmem2_base = shmem2_base_path[0];
  11024. port_of_path = port;
  11025. } else {
  11026. shmem_base = shmem_base_path[port];
  11027. shmem2_base = shmem2_base_path[port];
  11028. port_of_path = 0;
  11029. }
  11030. /* Extract the ext phy address for the port */
  11031. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11032. port_of_path, &phy[port]) !=
  11033. 0) {
  11034. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11035. return -EINVAL;
  11036. }
  11037. /* disable attentions */
  11038. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11039. port_of_path*4,
  11040. (NIG_MASK_XGXS0_LINK_STATUS |
  11041. NIG_MASK_XGXS0_LINK10G |
  11042. NIG_MASK_SERDES0_LINK_STATUS |
  11043. NIG_MASK_MI_INT));
  11044. /* Need to take the phy out of low power mode in order
  11045. * to write to access its registers
  11046. */
  11047. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11048. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11049. port);
  11050. /* Reset the phy */
  11051. bnx2x_cl45_write(bp, &phy[port],
  11052. MDIO_PMA_DEVAD,
  11053. MDIO_PMA_REG_CTRL,
  11054. 1<<15);
  11055. }
  11056. /* Add delay of 150ms after reset */
  11057. msleep(150);
  11058. if (phy[PORT_0].addr & 0x1) {
  11059. phy_blk[PORT_0] = &(phy[PORT_1]);
  11060. phy_blk[PORT_1] = &(phy[PORT_0]);
  11061. } else {
  11062. phy_blk[PORT_0] = &(phy[PORT_0]);
  11063. phy_blk[PORT_1] = &(phy[PORT_1]);
  11064. }
  11065. /* PART2 - Download firmware to both phys */
  11066. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11067. if (CHIP_IS_E1x(bp))
  11068. port_of_path = port;
  11069. else
  11070. port_of_path = 0;
  11071. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11072. phy_blk[port]->addr);
  11073. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11074. port_of_path))
  11075. return -EINVAL;
  11076. /* Only set bit 10 = 1 (Tx power down) */
  11077. bnx2x_cl45_read(bp, phy_blk[port],
  11078. MDIO_PMA_DEVAD,
  11079. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11080. /* Phase1 of TX_POWER_DOWN reset */
  11081. bnx2x_cl45_write(bp, phy_blk[port],
  11082. MDIO_PMA_DEVAD,
  11083. MDIO_PMA_REG_TX_POWER_DOWN,
  11084. (val | 1<<10));
  11085. }
  11086. /* Toggle Transmitter: Power down and then up with 600ms delay
  11087. * between
  11088. */
  11089. msleep(600);
  11090. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11091. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11092. /* Phase2 of POWER_DOWN_RESET */
  11093. /* Release bit 10 (Release Tx power down) */
  11094. bnx2x_cl45_read(bp, phy_blk[port],
  11095. MDIO_PMA_DEVAD,
  11096. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11097. bnx2x_cl45_write(bp, phy_blk[port],
  11098. MDIO_PMA_DEVAD,
  11099. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11100. msleep(15);
  11101. /* Read modify write the SPI-ROM version select register */
  11102. bnx2x_cl45_read(bp, phy_blk[port],
  11103. MDIO_PMA_DEVAD,
  11104. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11105. bnx2x_cl45_write(bp, phy_blk[port],
  11106. MDIO_PMA_DEVAD,
  11107. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11108. /* set GPIO2 back to LOW */
  11109. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11110. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11111. }
  11112. return 0;
  11113. }
  11114. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11115. u32 shmem_base_path[],
  11116. u32 shmem2_base_path[], u8 phy_index,
  11117. u32 chip_id)
  11118. {
  11119. u32 val;
  11120. s8 port;
  11121. struct bnx2x_phy phy;
  11122. /* Use port1 because of the static port-swap */
  11123. /* Enable the module detection interrupt */
  11124. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11125. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11126. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11127. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11128. bnx2x_ext_phy_hw_reset(bp, 0);
  11129. msleep(5);
  11130. for (port = 0; port < PORT_MAX; port++) {
  11131. u32 shmem_base, shmem2_base;
  11132. /* In E2, same phy is using for port0 of the two paths */
  11133. if (CHIP_IS_E1x(bp)) {
  11134. shmem_base = shmem_base_path[0];
  11135. shmem2_base = shmem2_base_path[0];
  11136. } else {
  11137. shmem_base = shmem_base_path[port];
  11138. shmem2_base = shmem2_base_path[port];
  11139. }
  11140. /* Extract the ext phy address for the port */
  11141. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11142. port, &phy) !=
  11143. 0) {
  11144. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11145. return -EINVAL;
  11146. }
  11147. /* Reset phy*/
  11148. bnx2x_cl45_write(bp, &phy,
  11149. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11150. /* Set fault module detected LED on */
  11151. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11152. MISC_REGISTERS_GPIO_HIGH,
  11153. port);
  11154. }
  11155. return 0;
  11156. }
  11157. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11158. u8 *io_gpio, u8 *io_port)
  11159. {
  11160. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11161. offsetof(struct shmem_region,
  11162. dev_info.port_hw_config[PORT_0].default_cfg));
  11163. switch (phy_gpio_reset) {
  11164. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11165. *io_gpio = 0;
  11166. *io_port = 0;
  11167. break;
  11168. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11169. *io_gpio = 1;
  11170. *io_port = 0;
  11171. break;
  11172. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11173. *io_gpio = 2;
  11174. *io_port = 0;
  11175. break;
  11176. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11177. *io_gpio = 3;
  11178. *io_port = 0;
  11179. break;
  11180. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11181. *io_gpio = 0;
  11182. *io_port = 1;
  11183. break;
  11184. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11185. *io_gpio = 1;
  11186. *io_port = 1;
  11187. break;
  11188. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11189. *io_gpio = 2;
  11190. *io_port = 1;
  11191. break;
  11192. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11193. *io_gpio = 3;
  11194. *io_port = 1;
  11195. break;
  11196. default:
  11197. /* Don't override the io_gpio and io_port */
  11198. break;
  11199. }
  11200. }
  11201. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11202. u32 shmem_base_path[],
  11203. u32 shmem2_base_path[], u8 phy_index,
  11204. u32 chip_id)
  11205. {
  11206. s8 port, reset_gpio;
  11207. u32 swap_val, swap_override;
  11208. struct bnx2x_phy phy[PORT_MAX];
  11209. struct bnx2x_phy *phy_blk[PORT_MAX];
  11210. s8 port_of_path;
  11211. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11212. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11213. reset_gpio = MISC_REGISTERS_GPIO_1;
  11214. port = 1;
  11215. /* Retrieve the reset gpio/port which control the reset.
  11216. * Default is GPIO1, PORT1
  11217. */
  11218. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11219. (u8 *)&reset_gpio, (u8 *)&port);
  11220. /* Calculate the port based on port swap */
  11221. port ^= (swap_val && swap_override);
  11222. /* Initiate PHY reset*/
  11223. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11224. port);
  11225. msleep(1);
  11226. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11227. port);
  11228. msleep(5);
  11229. /* PART1 - Reset both phys */
  11230. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11231. u32 shmem_base, shmem2_base;
  11232. /* In E2, same phy is using for port0 of the two paths */
  11233. if (CHIP_IS_E1x(bp)) {
  11234. shmem_base = shmem_base_path[0];
  11235. shmem2_base = shmem2_base_path[0];
  11236. port_of_path = port;
  11237. } else {
  11238. shmem_base = shmem_base_path[port];
  11239. shmem2_base = shmem2_base_path[port];
  11240. port_of_path = 0;
  11241. }
  11242. /* Extract the ext phy address for the port */
  11243. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11244. port_of_path, &phy[port]) !=
  11245. 0) {
  11246. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11247. return -EINVAL;
  11248. }
  11249. /* disable attentions */
  11250. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11251. port_of_path*4,
  11252. (NIG_MASK_XGXS0_LINK_STATUS |
  11253. NIG_MASK_XGXS0_LINK10G |
  11254. NIG_MASK_SERDES0_LINK_STATUS |
  11255. NIG_MASK_MI_INT));
  11256. /* Reset the phy */
  11257. bnx2x_cl45_write(bp, &phy[port],
  11258. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11259. }
  11260. /* Add delay of 150ms after reset */
  11261. msleep(150);
  11262. if (phy[PORT_0].addr & 0x1) {
  11263. phy_blk[PORT_0] = &(phy[PORT_1]);
  11264. phy_blk[PORT_1] = &(phy[PORT_0]);
  11265. } else {
  11266. phy_blk[PORT_0] = &(phy[PORT_0]);
  11267. phy_blk[PORT_1] = &(phy[PORT_1]);
  11268. }
  11269. /* PART2 - Download firmware to both phys */
  11270. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11271. if (CHIP_IS_E1x(bp))
  11272. port_of_path = port;
  11273. else
  11274. port_of_path = 0;
  11275. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11276. phy_blk[port]->addr);
  11277. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11278. port_of_path))
  11279. return -EINVAL;
  11280. /* Disable PHY transmitter output */
  11281. bnx2x_cl45_write(bp, phy_blk[port],
  11282. MDIO_PMA_DEVAD,
  11283. MDIO_PMA_REG_TX_DISABLE, 1);
  11284. }
  11285. return 0;
  11286. }
  11287. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11288. u32 shmem_base_path[],
  11289. u32 shmem2_base_path[],
  11290. u8 phy_index,
  11291. u32 chip_id)
  11292. {
  11293. u8 reset_gpios;
  11294. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11295. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11296. udelay(10);
  11297. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11298. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11299. reset_gpios);
  11300. return 0;
  11301. }
  11302. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11303. struct bnx2x_phy *phy)
  11304. {
  11305. u16 val, cnt;
  11306. /* Wait for FW completing its initialization. */
  11307. for (cnt = 0; cnt < 1500; cnt++) {
  11308. bnx2x_cl45_read(bp, phy,
  11309. MDIO_PMA_DEVAD,
  11310. MDIO_PMA_REG_CTRL, &val);
  11311. if (!(val & (1<<15)))
  11312. break;
  11313. msleep(1);
  11314. }
  11315. if (cnt >= 1500) {
  11316. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11317. return -EINVAL;
  11318. }
  11319. /* Put the port in super isolate mode. */
  11320. bnx2x_cl45_read(bp, phy,
  11321. MDIO_CTL_DEVAD,
  11322. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11323. val |= MDIO_84833_SUPER_ISOLATE;
  11324. bnx2x_cl45_write(bp, phy,
  11325. MDIO_CTL_DEVAD,
  11326. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11327. /* Save spirom version */
  11328. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11329. return 0;
  11330. }
  11331. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11332. u32 shmem_base,
  11333. u32 shmem2_base,
  11334. u32 chip_id)
  11335. {
  11336. int rc = 0;
  11337. struct bnx2x_phy phy;
  11338. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11339. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11340. PORT_0, &phy)) {
  11341. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11342. return -EINVAL;
  11343. }
  11344. switch (phy.type) {
  11345. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11346. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11347. break;
  11348. default:
  11349. break;
  11350. }
  11351. return rc;
  11352. }
  11353. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11354. u32 shmem2_base_path[], u8 phy_index,
  11355. u32 ext_phy_type, u32 chip_id)
  11356. {
  11357. int rc = 0;
  11358. switch (ext_phy_type) {
  11359. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11360. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11361. shmem2_base_path,
  11362. phy_index, chip_id);
  11363. break;
  11364. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11365. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11366. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11367. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11368. shmem2_base_path,
  11369. phy_index, chip_id);
  11370. break;
  11371. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11372. /* GPIO1 affects both ports, so there's need to pull
  11373. * it for single port alone
  11374. */
  11375. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11376. shmem2_base_path,
  11377. phy_index, chip_id);
  11378. break;
  11379. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11380. /* GPIO3's are linked, and so both need to be toggled
  11381. * to obtain required 2us pulse.
  11382. */
  11383. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11384. shmem2_base_path,
  11385. phy_index, chip_id);
  11386. break;
  11387. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11388. rc = -EINVAL;
  11389. break;
  11390. default:
  11391. DP(NETIF_MSG_LINK,
  11392. "ext_phy 0x%x common init not required\n",
  11393. ext_phy_type);
  11394. break;
  11395. }
  11396. if (rc != 0)
  11397. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11398. " Port %d\n",
  11399. 0);
  11400. return rc;
  11401. }
  11402. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11403. u32 shmem2_base_path[], u32 chip_id)
  11404. {
  11405. int rc = 0;
  11406. u32 phy_ver, val;
  11407. u8 phy_index = 0;
  11408. u32 ext_phy_type, ext_phy_config;
  11409. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11410. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11411. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11412. if (CHIP_IS_E3(bp)) {
  11413. /* Enable EPIO */
  11414. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11415. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11416. }
  11417. /* Check if common init was already done */
  11418. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11419. offsetof(struct shmem_region,
  11420. port_mb[PORT_0].ext_phy_fw_version));
  11421. if (phy_ver) {
  11422. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11423. phy_ver);
  11424. return 0;
  11425. }
  11426. /* Read the ext_phy_type for arbitrary port(0) */
  11427. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11428. phy_index++) {
  11429. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11430. shmem_base_path[0],
  11431. phy_index, 0);
  11432. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11433. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11434. shmem2_base_path,
  11435. phy_index, ext_phy_type,
  11436. chip_id);
  11437. }
  11438. return rc;
  11439. }
  11440. static void bnx2x_check_over_curr(struct link_params *params,
  11441. struct link_vars *vars)
  11442. {
  11443. struct bnx2x *bp = params->bp;
  11444. u32 cfg_pin;
  11445. u8 port = params->port;
  11446. u32 pin_val;
  11447. cfg_pin = (REG_RD(bp, params->shmem_base +
  11448. offsetof(struct shmem_region,
  11449. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11450. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11451. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11452. /* Ignore check if no external input PIN available */
  11453. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11454. return;
  11455. if (!pin_val) {
  11456. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11457. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11458. " been detected and the power to "
  11459. "that SFP+ module has been removed"
  11460. " to prevent failure of the card."
  11461. " Please remove the SFP+ module and"
  11462. " restart the system to clear this"
  11463. " error.\n",
  11464. params->port);
  11465. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11466. }
  11467. } else
  11468. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11469. }
  11470. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11471. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11472. struct link_vars *vars, u32 status,
  11473. u32 phy_flag, u32 link_flag, u8 notify)
  11474. {
  11475. struct bnx2x *bp = params->bp;
  11476. /* Compare new value with previous value */
  11477. u8 led_mode;
  11478. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11479. if ((status ^ old_status) == 0)
  11480. return 0;
  11481. /* If values differ */
  11482. switch (phy_flag) {
  11483. case PHY_HALF_OPEN_CONN_FLAG:
  11484. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11485. break;
  11486. case PHY_SFP_TX_FAULT_FLAG:
  11487. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11488. break;
  11489. default:
  11490. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11491. }
  11492. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11493. old_status, status);
  11494. /* a. Update shmem->link_status accordingly
  11495. * b. Update link_vars->link_up
  11496. */
  11497. if (status) {
  11498. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11499. vars->link_status |= link_flag;
  11500. vars->link_up = 0;
  11501. vars->phy_flags |= phy_flag;
  11502. /* activate nig drain */
  11503. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11504. /* Set LED mode to off since the PHY doesn't know about these
  11505. * errors
  11506. */
  11507. led_mode = LED_MODE_OFF;
  11508. } else {
  11509. vars->link_status |= LINK_STATUS_LINK_UP;
  11510. vars->link_status &= ~link_flag;
  11511. vars->link_up = 1;
  11512. vars->phy_flags &= ~phy_flag;
  11513. led_mode = LED_MODE_OPER;
  11514. /* Clear nig drain */
  11515. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11516. }
  11517. bnx2x_sync_link(params, vars);
  11518. /* Update the LED according to the link state */
  11519. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11520. /* Update link status in the shared memory */
  11521. bnx2x_update_mng(params, vars->link_status);
  11522. /* C. Trigger General Attention */
  11523. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11524. if (notify)
  11525. bnx2x_notify_link_changed(bp);
  11526. return 1;
  11527. }
  11528. /******************************************************************************
  11529. * Description:
  11530. * This function checks for half opened connection change indication.
  11531. * When such change occurs, it calls the bnx2x_analyze_link_error
  11532. * to check if Remote Fault is set or cleared. Reception of remote fault
  11533. * status message in the MAC indicates that the peer's MAC has detected
  11534. * a fault, for example, due to break in the TX side of fiber.
  11535. *
  11536. ******************************************************************************/
  11537. int bnx2x_check_half_open_conn(struct link_params *params,
  11538. struct link_vars *vars,
  11539. u8 notify)
  11540. {
  11541. struct bnx2x *bp = params->bp;
  11542. u32 lss_status = 0;
  11543. u32 mac_base;
  11544. /* In case link status is physically up @ 10G do */
  11545. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11546. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11547. return 0;
  11548. if (CHIP_IS_E3(bp) &&
  11549. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11550. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11551. /* Check E3 XMAC */
  11552. /* Note that link speed cannot be queried here, since it may be
  11553. * zero while link is down. In case UMAC is active, LSS will
  11554. * simply not be set
  11555. */
  11556. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11557. /* Clear stick bits (Requires rising edge) */
  11558. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11559. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11560. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11561. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11562. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11563. lss_status = 1;
  11564. bnx2x_analyze_link_error(params, vars, lss_status,
  11565. PHY_HALF_OPEN_CONN_FLAG,
  11566. LINK_STATUS_NONE, notify);
  11567. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11568. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11569. /* Check E1X / E2 BMAC */
  11570. u32 lss_status_reg;
  11571. u32 wb_data[2];
  11572. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11573. NIG_REG_INGRESS_BMAC0_MEM;
  11574. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11575. if (CHIP_IS_E2(bp))
  11576. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11577. else
  11578. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11579. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11580. lss_status = (wb_data[0] > 0);
  11581. bnx2x_analyze_link_error(params, vars, lss_status,
  11582. PHY_HALF_OPEN_CONN_FLAG,
  11583. LINK_STATUS_NONE, notify);
  11584. }
  11585. return 0;
  11586. }
  11587. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11588. struct link_params *params,
  11589. struct link_vars *vars)
  11590. {
  11591. struct bnx2x *bp = params->bp;
  11592. u32 cfg_pin, value = 0;
  11593. u8 led_change, port = params->port;
  11594. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11595. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11596. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11597. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11598. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11599. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11600. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11601. return;
  11602. }
  11603. led_change = bnx2x_analyze_link_error(params, vars, value,
  11604. PHY_SFP_TX_FAULT_FLAG,
  11605. LINK_STATUS_SFP_TX_FAULT, 1);
  11606. if (led_change) {
  11607. /* Change TX_Fault led, set link status for further syncs */
  11608. u8 led_mode;
  11609. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11610. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11611. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11612. } else {
  11613. led_mode = MISC_REGISTERS_GPIO_LOW;
  11614. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11615. }
  11616. /* If module is unapproved, led should be on regardless */
  11617. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11618. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11619. led_mode);
  11620. bnx2x_set_e3_module_fault_led(params, led_mode);
  11621. }
  11622. }
  11623. }
  11624. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11625. {
  11626. u16 phy_idx;
  11627. struct bnx2x *bp = params->bp;
  11628. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11629. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11630. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11631. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11632. 0)
  11633. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11634. break;
  11635. }
  11636. }
  11637. if (CHIP_IS_E3(bp)) {
  11638. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11639. bnx2x_set_aer_mmd(params, phy);
  11640. bnx2x_check_over_curr(params, vars);
  11641. if (vars->rx_tx_asic_rst)
  11642. bnx2x_warpcore_config_runtime(phy, params, vars);
  11643. if ((REG_RD(bp, params->shmem_base +
  11644. offsetof(struct shmem_region, dev_info.
  11645. port_hw_config[params->port].default_cfg))
  11646. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11647. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11648. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11649. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11650. } else if (vars->link_status &
  11651. LINK_STATUS_SFP_TX_FAULT) {
  11652. /* Clean trail, interrupt corrects the leds */
  11653. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11654. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11655. /* Update link status in the shared memory */
  11656. bnx2x_update_mng(params, vars->link_status);
  11657. }
  11658. }
  11659. }
  11660. }
  11661. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11662. {
  11663. u8 phy_index;
  11664. struct bnx2x_phy phy;
  11665. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11666. phy_index++) {
  11667. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11668. 0, &phy) != 0) {
  11669. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11670. return 0;
  11671. }
  11672. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11673. return 1;
  11674. }
  11675. return 0;
  11676. }
  11677. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11678. u32 shmem_base,
  11679. u32 shmem2_base,
  11680. u8 port)
  11681. {
  11682. u8 phy_index, fan_failure_det_req = 0;
  11683. struct bnx2x_phy phy;
  11684. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11685. phy_index++) {
  11686. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11687. port, &phy)
  11688. != 0) {
  11689. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11690. return 0;
  11691. }
  11692. fan_failure_det_req |= (phy.flags &
  11693. FLAGS_FAN_FAILURE_DET_REQ);
  11694. }
  11695. return fan_failure_det_req;
  11696. }
  11697. void bnx2x_hw_reset_phy(struct link_params *params)
  11698. {
  11699. u8 phy_index;
  11700. struct bnx2x *bp = params->bp;
  11701. bnx2x_update_mng(params, 0);
  11702. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11703. (NIG_MASK_XGXS0_LINK_STATUS |
  11704. NIG_MASK_XGXS0_LINK10G |
  11705. NIG_MASK_SERDES0_LINK_STATUS |
  11706. NIG_MASK_MI_INT));
  11707. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11708. phy_index++) {
  11709. if (params->phy[phy_index].hw_reset) {
  11710. params->phy[phy_index].hw_reset(
  11711. &params->phy[phy_index],
  11712. params);
  11713. params->phy[phy_index] = phy_null;
  11714. }
  11715. }
  11716. }
  11717. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11718. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11719. u8 port)
  11720. {
  11721. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11722. u32 val;
  11723. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11724. if (CHIP_IS_E3(bp)) {
  11725. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11726. shmem_base,
  11727. port,
  11728. &gpio_num,
  11729. &gpio_port) != 0)
  11730. return;
  11731. } else {
  11732. struct bnx2x_phy phy;
  11733. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11734. phy_index++) {
  11735. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11736. shmem2_base, port, &phy)
  11737. != 0) {
  11738. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11739. return;
  11740. }
  11741. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11742. gpio_num = MISC_REGISTERS_GPIO_3;
  11743. gpio_port = port;
  11744. break;
  11745. }
  11746. }
  11747. }
  11748. if (gpio_num == 0xff)
  11749. return;
  11750. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11751. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11752. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11753. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11754. gpio_port ^= (swap_val && swap_override);
  11755. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11756. (gpio_num + (gpio_port << 2));
  11757. sync_offset = shmem_base +
  11758. offsetof(struct shmem_region,
  11759. dev_info.port_hw_config[port].aeu_int_mask);
  11760. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11761. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11762. gpio_num, gpio_port, vars->aeu_int_mask);
  11763. if (port == 0)
  11764. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11765. else
  11766. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11767. /* Open appropriate AEU for interrupts */
  11768. aeu_mask = REG_RD(bp, offset);
  11769. aeu_mask |= vars->aeu_int_mask;
  11770. REG_WR(bp, offset, aeu_mask);
  11771. /* Enable the GPIO to trigger interrupt */
  11772. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11773. val |= 1 << (gpio_num + (gpio_port << 2));
  11774. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11775. }