bnx2x_link.c 368 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 BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB default for class 0 E2 */
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  146. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  148. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  149. /* BRB thresholds for E2*/
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  151. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  153. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  155. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  157. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  158. /* BRB default for class 0 E3A0 */
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  160. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  162. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  163. /* BRB thresholds for E3A0 */
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  167. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  169. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  171. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  172. /* BRB default for E3B0 */
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  174. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  176. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  177. /* BRB thresholds for E3B0 2 port mode*/
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  181. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  185. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  186. /* only for E3B0*/
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  188. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  189. /* Lossy +Lossless GUARANTIED == GUART */
  190. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  191. /* Lossless +Lossless*/
  192. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  193. /* Lossy +Lossy*/
  194. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  195. /* Lossy +Lossless*/
  196. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  197. /* Lossless +Lossless*/
  198. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  199. /* Lossy +Lossy*/
  200. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  201. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  203. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  204. /* BRB thresholds for E3B0 4 port mode */
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  208. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  212. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  213. /* only for E3B0*/
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  215. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  216. #define PFC_E3B0_4P_LB_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  218. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  220. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  221. /* Pause defines*/
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  223. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  224. #define DEFAULT_E3B0_LB_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  228. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  229. /* ETS defines*/
  230. #define DCBX_INVALID_COS (0xFF)
  231. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  232. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  234. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  235. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  236. #define MAX_PACKET_SIZE (9700)
  237. #define WC_UC_TIMEOUT 100
  238. #define MAX_KR_LINK_RETRY 4
  239. /**********************************************************/
  240. /* INTERFACE */
  241. /**********************************************************/
  242. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  243. bnx2x_cl45_write(_bp, _phy, \
  244. (_phy)->def_md_devad, \
  245. (_bank + (_addr & 0xf)), \
  246. _val)
  247. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  248. bnx2x_cl45_read(_bp, _phy, \
  249. (_phy)->def_md_devad, \
  250. (_bank + (_addr & 0xf)), \
  251. _val)
  252. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  253. {
  254. u32 val = REG_RD(bp, reg);
  255. val |= bits;
  256. REG_WR(bp, reg, val);
  257. return val;
  258. }
  259. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  260. {
  261. u32 val = REG_RD(bp, reg);
  262. val &= ~bits;
  263. REG_WR(bp, reg, val);
  264. return val;
  265. }
  266. /******************************************************************/
  267. /* EPIO/GPIO section */
  268. /******************************************************************/
  269. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  270. {
  271. u32 epio_mask, gp_oenable;
  272. *en = 0;
  273. /* Sanity check */
  274. if (epio_pin > 31) {
  275. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  276. return;
  277. }
  278. epio_mask = 1 << epio_pin;
  279. /* Set this EPIO to output */
  280. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  281. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  282. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  283. }
  284. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  285. {
  286. u32 epio_mask, gp_output, gp_oenable;
  287. /* Sanity check */
  288. if (epio_pin > 31) {
  289. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  290. return;
  291. }
  292. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  293. epio_mask = 1 << epio_pin;
  294. /* Set this EPIO to output */
  295. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  296. if (en)
  297. gp_output |= epio_mask;
  298. else
  299. gp_output &= ~epio_mask;
  300. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  301. /* Set the value for this EPIO */
  302. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  303. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  304. }
  305. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  306. {
  307. if (pin_cfg == PIN_CFG_NA)
  308. return;
  309. if (pin_cfg >= PIN_CFG_EPIO0) {
  310. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  311. } else {
  312. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  313. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  314. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  315. }
  316. }
  317. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  318. {
  319. if (pin_cfg == PIN_CFG_NA)
  320. return -EINVAL;
  321. if (pin_cfg >= PIN_CFG_EPIO0) {
  322. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  323. } else {
  324. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  325. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  326. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  327. }
  328. return 0;
  329. }
  330. /******************************************************************/
  331. /* ETS section */
  332. /******************************************************************/
  333. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  334. {
  335. /* ETS disabled configuration*/
  336. struct bnx2x *bp = params->bp;
  337. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  338. /*
  339. * mapping between entry priority to client number (0,1,2 -debug and
  340. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  341. * 3bits client num.
  342. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  343. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  344. */
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  346. /*
  347. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  348. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  349. * COS0 entry, 4 - COS1 entry.
  350. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  351. * bit4 bit3 bit2 bit1 bit0
  352. * MCP and debug are strict
  353. */
  354. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  355. /* defines which entries (clients) are subjected to WFQ arbitration */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  357. /*
  358. * For strict priority entries defines the number of consecutive
  359. * slots for the highest priority.
  360. */
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  362. /*
  363. * mapping between the CREDIT_WEIGHT registers and actual client
  364. * numbers
  365. */
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  370. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  371. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  372. /* ETS mode disable */
  373. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  374. /*
  375. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  376. * weight for COS0/COS1.
  377. */
  378. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  379. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  380. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  381. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  382. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  383. /* Defines the number of consecutive slots for the strict priority */
  384. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  385. }
  386. /******************************************************************************
  387. * Description:
  388. * Getting min_w_val will be set according to line speed .
  389. *.
  390. ******************************************************************************/
  391. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  392. {
  393. u32 min_w_val = 0;
  394. /* Calculate min_w_val.*/
  395. if (vars->link_up) {
  396. if (vars->line_speed == SPEED_20000)
  397. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  398. else
  399. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  400. } else
  401. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  402. /**
  403. * If the link isn't up (static configuration for example ) The
  404. * link will be according to 20GBPS.
  405. */
  406. return min_w_val;
  407. }
  408. /******************************************************************************
  409. * Description:
  410. * Getting credit upper bound form min_w_val.
  411. *.
  412. ******************************************************************************/
  413. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  414. {
  415. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  416. MAX_PACKET_SIZE);
  417. return credit_upper_bound;
  418. }
  419. /******************************************************************************
  420. * Description:
  421. * Set credit upper bound for NIG.
  422. *.
  423. ******************************************************************************/
  424. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  425. const struct link_params *params,
  426. const u32 min_w_val)
  427. {
  428. struct bnx2x *bp = params->bp;
  429. const u8 port = params->port;
  430. const u32 credit_upper_bound =
  431. bnx2x_ets_get_credit_upper_bound(min_w_val);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  436. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  437. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  438. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  439. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  440. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  441. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  442. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  443. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  444. if (!port) {
  445. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  446. credit_upper_bound);
  447. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  448. credit_upper_bound);
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  450. credit_upper_bound);
  451. }
  452. }
  453. /******************************************************************************
  454. * Description:
  455. * Will return the NIG ETS registers to init values.Except
  456. * credit_upper_bound.
  457. * That isn't used in this configuration (No WFQ is enabled) and will be
  458. * configured acording to spec
  459. *.
  460. ******************************************************************************/
  461. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  462. const struct link_vars *vars)
  463. {
  464. struct bnx2x *bp = params->bp;
  465. const u8 port = params->port;
  466. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  467. /**
  468. * mapping between entry priority to client number (0,1,2 -debug and
  469. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  470. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  471. * reset value or init tool
  472. */
  473. if (port) {
  474. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  475. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  476. } else {
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  478. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  479. }
  480. /**
  481. * For strict priority entries defines the number of consecutive
  482. * slots for the highest priority.
  483. */
  484. /* TODO_ETS - Should be done by reset value or init tool */
  485. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  486. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  487. /**
  488. * mapping between the CREDIT_WEIGHT registers and actual client
  489. * numbers
  490. */
  491. /* TODO_ETS - Should be done by reset value or init tool */
  492. if (port) {
  493. /*Port 1 has 6 COS*/
  494. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  495. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  496. } else {
  497. /*Port 0 has 9 COS*/
  498. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  499. 0x43210876);
  500. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  501. }
  502. /**
  503. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  504. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  505. * COS0 entry, 4 - COS1 entry.
  506. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  507. * bit4 bit3 bit2 bit1 bit0
  508. * MCP and debug are strict
  509. */
  510. if (port)
  511. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  512. else
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  514. /* defines which entries (clients) are subjected to WFQ arbitration */
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  516. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  517. /**
  518. * Please notice the register address are note continuous and a
  519. * for here is note appropriate.In 2 port mode port0 only COS0-5
  520. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  521. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  522. * are never used for WFQ
  523. */
  524. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  525. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  526. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  527. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  529. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  530. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  531. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  532. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  533. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  535. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  536. if (!port) {
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  538. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  540. }
  541. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  542. }
  543. /******************************************************************************
  544. * Description:
  545. * Set credit upper bound for PBF.
  546. *.
  547. ******************************************************************************/
  548. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  549. const struct link_params *params,
  550. const u32 min_w_val)
  551. {
  552. struct bnx2x *bp = params->bp;
  553. const u32 credit_upper_bound =
  554. bnx2x_ets_get_credit_upper_bound(min_w_val);
  555. const u8 port = params->port;
  556. u32 base_upper_bound = 0;
  557. u8 max_cos = 0;
  558. u8 i = 0;
  559. /**
  560. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  561. * port mode port1 has COS0-2 that can be used for WFQ.
  562. */
  563. if (!port) {
  564. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  565. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  566. } else {
  567. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  568. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  569. }
  570. for (i = 0; i < max_cos; i++)
  571. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  572. }
  573. /******************************************************************************
  574. * Description:
  575. * Will return the PBF ETS registers to init values.Except
  576. * credit_upper_bound.
  577. * That isn't used in this configuration (No WFQ is enabled) and will be
  578. * configured acording to spec
  579. *.
  580. ******************************************************************************/
  581. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  582. {
  583. struct bnx2x *bp = params->bp;
  584. const u8 port = params->port;
  585. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  586. u8 i = 0;
  587. u32 base_weight = 0;
  588. u8 max_cos = 0;
  589. /**
  590. * mapping between entry priority to client number 0 - COS0
  591. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  592. * TODO_ETS - Should be done by reset value or init tool
  593. */
  594. if (port)
  595. /* 0x688 (|011|0 10|00 1|000) */
  596. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  597. else
  598. /* (10 1|100 |011|0 10|00 1|000) */
  599. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  600. /* TODO_ETS - Should be done by reset value or init tool */
  601. if (port)
  602. /* 0x688 (|011|0 10|00 1|000)*/
  603. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  604. else
  605. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  606. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  607. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  608. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  609. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  610. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  611. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  612. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  613. /**
  614. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  615. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  616. */
  617. if (!port) {
  618. base_weight = PBF_REG_COS0_WEIGHT_P0;
  619. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  620. } else {
  621. base_weight = PBF_REG_COS0_WEIGHT_P1;
  622. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  623. }
  624. for (i = 0; i < max_cos; i++)
  625. REG_WR(bp, base_weight + (0x4 * i), 0);
  626. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * E3B0 disable will return basicly the values to init values.
  631. *.
  632. ******************************************************************************/
  633. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  634. const struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. if (!CHIP_IS_E3B0(bp)) {
  638. DP(NETIF_MSG_LINK,
  639. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  640. return -EINVAL;
  641. }
  642. bnx2x_ets_e3b0_nig_disabled(params, vars);
  643. bnx2x_ets_e3b0_pbf_disabled(params);
  644. return 0;
  645. }
  646. /******************************************************************************
  647. * Description:
  648. * Disable will return basicly the values to init values.
  649. *.
  650. ******************************************************************************/
  651. int bnx2x_ets_disabled(struct link_params *params,
  652. struct link_vars *vars)
  653. {
  654. struct bnx2x *bp = params->bp;
  655. int bnx2x_status = 0;
  656. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  657. bnx2x_ets_e2e3a0_disabled(params);
  658. else if (CHIP_IS_E3B0(bp))
  659. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  660. else {
  661. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  662. return -EINVAL;
  663. }
  664. return bnx2x_status;
  665. }
  666. /******************************************************************************
  667. * Description
  668. * Set the COS mappimg to SP and BW until this point all the COS are not
  669. * set as SP or BW.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  672. const struct bnx2x_ets_params *ets_params,
  673. const u8 cos_sp_bitmap,
  674. const u8 cos_bw_bitmap)
  675. {
  676. struct bnx2x *bp = params->bp;
  677. const u8 port = params->port;
  678. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  679. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  680. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  681. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  682. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  683. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  684. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  685. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  686. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  687. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  688. nig_cli_subject2wfq_bitmap);
  689. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  690. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  691. pbf_cli_subject2wfq_bitmap);
  692. return 0;
  693. }
  694. /******************************************************************************
  695. * Description:
  696. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  697. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  698. ******************************************************************************/
  699. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  700. const u8 cos_entry,
  701. const u32 min_w_val_nig,
  702. const u32 min_w_val_pbf,
  703. const u16 total_bw,
  704. const u8 bw,
  705. const u8 port)
  706. {
  707. u32 nig_reg_adress_crd_weight = 0;
  708. u32 pbf_reg_adress_crd_weight = 0;
  709. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  710. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  711. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  712. switch (cos_entry) {
  713. case 0:
  714. nig_reg_adress_crd_weight =
  715. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  716. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  717. pbf_reg_adress_crd_weight = (port) ?
  718. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  719. break;
  720. case 1:
  721. nig_reg_adress_crd_weight = (port) ?
  722. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  723. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  724. pbf_reg_adress_crd_weight = (port) ?
  725. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  726. break;
  727. case 2:
  728. nig_reg_adress_crd_weight = (port) ?
  729. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  730. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  731. pbf_reg_adress_crd_weight = (port) ?
  732. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  733. break;
  734. case 3:
  735. if (port)
  736. return -EINVAL;
  737. nig_reg_adress_crd_weight =
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  739. pbf_reg_adress_crd_weight =
  740. PBF_REG_COS3_WEIGHT_P0;
  741. break;
  742. case 4:
  743. if (port)
  744. return -EINVAL;
  745. nig_reg_adress_crd_weight =
  746. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  747. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  748. break;
  749. case 5:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  754. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  755. break;
  756. }
  757. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  758. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  759. return 0;
  760. }
  761. /******************************************************************************
  762. * Description:
  763. * Calculate the total BW.A value of 0 isn't legal.
  764. *.
  765. ******************************************************************************/
  766. static int bnx2x_ets_e3b0_get_total_bw(
  767. const struct link_params *params,
  768. struct bnx2x_ets_params *ets_params,
  769. u16 *total_bw)
  770. {
  771. struct bnx2x *bp = params->bp;
  772. u8 cos_idx = 0;
  773. u8 is_bw_cos_exist = 0;
  774. *total_bw = 0 ;
  775. /* Calculate total BW requested */
  776. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  777. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  778. is_bw_cos_exist = 1;
  779. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  780. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  781. "was set to 0\n");
  782. /*
  783. * This is to prevent a state when ramrods
  784. * can't be sent
  785. */
  786. ets_params->cos[cos_idx].params.bw_params.bw
  787. = 1;
  788. }
  789. *total_bw +=
  790. ets_params->cos[cos_idx].params.bw_params.bw;
  791. }
  792. }
  793. /* Check total BW is valid */
  794. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  795. if (*total_bw == 0) {
  796. DP(NETIF_MSG_LINK,
  797. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  798. return -EINVAL;
  799. }
  800. DP(NETIF_MSG_LINK,
  801. "bnx2x_ets_E3B0_config total BW should be 100\n");
  802. /*
  803. * We can handle a case whre the BW isn't 100 this can happen
  804. * if the TC are joined.
  805. */
  806. }
  807. return 0;
  808. }
  809. /******************************************************************************
  810. * Description:
  811. * Invalidate all the sp_pri_to_cos.
  812. *.
  813. ******************************************************************************/
  814. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  815. {
  816. u8 pri = 0;
  817. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  818. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  819. }
  820. /******************************************************************************
  821. * Description:
  822. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  823. * according to sp_pri_to_cos.
  824. *.
  825. ******************************************************************************/
  826. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  827. u8 *sp_pri_to_cos, const u8 pri,
  828. const u8 cos_entry)
  829. {
  830. struct bnx2x *bp = params->bp;
  831. const u8 port = params->port;
  832. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  833. DCBX_E3B0_MAX_NUM_COS_PORT0;
  834. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  835. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  836. "parameter There can't be two COS's with "
  837. "the same strict pri\n");
  838. return -EINVAL;
  839. }
  840. if (pri > max_num_of_cos) {
  841. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  842. "parameter Illegal strict priority\n");
  843. return -EINVAL;
  844. }
  845. sp_pri_to_cos[pri] = cos_entry;
  846. return 0;
  847. }
  848. /******************************************************************************
  849. * Description:
  850. * Returns the correct value according to COS and priority in
  851. * the sp_pri_cli register.
  852. *.
  853. ******************************************************************************/
  854. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  855. const u8 pri_set,
  856. const u8 pri_offset,
  857. const u8 entry_size)
  858. {
  859. u64 pri_cli_nig = 0;
  860. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  861. (pri_set + pri_offset));
  862. return pri_cli_nig;
  863. }
  864. /******************************************************************************
  865. * Description:
  866. * Returns the correct value according to COS and priority in the
  867. * sp_pri_cli register for NIG.
  868. *.
  869. ******************************************************************************/
  870. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  871. {
  872. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  873. const u8 nig_cos_offset = 3;
  874. const u8 nig_pri_offset = 3;
  875. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  876. nig_pri_offset, 4);
  877. }
  878. /******************************************************************************
  879. * Description:
  880. * Returns the correct value according to COS and priority in the
  881. * sp_pri_cli register for PBF.
  882. *.
  883. ******************************************************************************/
  884. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  885. {
  886. const u8 pbf_cos_offset = 0;
  887. const u8 pbf_pri_offset = 0;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  889. pbf_pri_offset, 3);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  894. * according to sp_pri_to_cos.(which COS has higher priority)
  895. *.
  896. ******************************************************************************/
  897. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  898. u8 *sp_pri_to_cos)
  899. {
  900. struct bnx2x *bp = params->bp;
  901. u8 i = 0;
  902. const u8 port = params->port;
  903. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  904. u64 pri_cli_nig = 0x210;
  905. u32 pri_cli_pbf = 0x0;
  906. u8 pri_set = 0;
  907. u8 pri_bitmask = 0;
  908. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  909. DCBX_E3B0_MAX_NUM_COS_PORT0;
  910. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  911. /* Set all the strict priority first */
  912. for (i = 0; i < max_num_of_cos; i++) {
  913. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  914. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  915. DP(NETIF_MSG_LINK,
  916. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  917. "invalid cos entry\n");
  918. return -EINVAL;
  919. }
  920. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  921. sp_pri_to_cos[i], pri_set);
  922. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  923. sp_pri_to_cos[i], pri_set);
  924. pri_bitmask = 1 << sp_pri_to_cos[i];
  925. /* COS is used remove it from bitmap.*/
  926. if (!(pri_bitmask & cos_bit_to_set)) {
  927. DP(NETIF_MSG_LINK,
  928. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  929. "invalid There can't be two COS's with"
  930. " the same strict pri\n");
  931. return -EINVAL;
  932. }
  933. cos_bit_to_set &= ~pri_bitmask;
  934. pri_set++;
  935. }
  936. }
  937. /* Set all the Non strict priority i= COS*/
  938. for (i = 0; i < max_num_of_cos; i++) {
  939. pri_bitmask = 1 << i;
  940. /* Check if COS was already used for SP */
  941. if (pri_bitmask & cos_bit_to_set) {
  942. /* COS wasn't used for SP */
  943. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  944. i, pri_set);
  945. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  946. i, pri_set);
  947. /* COS is used remove it from bitmap.*/
  948. cos_bit_to_set &= ~pri_bitmask;
  949. pri_set++;
  950. }
  951. }
  952. if (pri_set != max_num_of_cos) {
  953. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  954. "entries were set\n");
  955. return -EINVAL;
  956. }
  957. if (port) {
  958. /* Only 6 usable clients*/
  959. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  960. (u32)pri_cli_nig);
  961. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  962. } else {
  963. /* Only 9 usable clients*/
  964. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  965. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  966. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  967. pri_cli_nig_lsb);
  968. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  969. pri_cli_nig_msb);
  970. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  971. }
  972. return 0;
  973. }
  974. /******************************************************************************
  975. * Description:
  976. * Configure the COS to ETS according to BW and SP settings.
  977. ******************************************************************************/
  978. int bnx2x_ets_e3b0_config(const struct link_params *params,
  979. const struct link_vars *vars,
  980. struct bnx2x_ets_params *ets_params)
  981. {
  982. struct bnx2x *bp = params->bp;
  983. int bnx2x_status = 0;
  984. const u8 port = params->port;
  985. u16 total_bw = 0;
  986. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  987. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  988. u8 cos_bw_bitmap = 0;
  989. u8 cos_sp_bitmap = 0;
  990. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  991. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  992. DCBX_E3B0_MAX_NUM_COS_PORT0;
  993. u8 cos_entry = 0;
  994. if (!CHIP_IS_E3B0(bp)) {
  995. DP(NETIF_MSG_LINK,
  996. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  997. return -EINVAL;
  998. }
  999. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1000. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1001. "isn't supported\n");
  1002. return -EINVAL;
  1003. }
  1004. /* Prepare sp strict priority parameters*/
  1005. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1006. /* Prepare BW parameters*/
  1007. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1008. &total_bw);
  1009. if (bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1012. return -EINVAL;
  1013. }
  1014. /*
  1015. * Upper bound is set according to current link speed (min_w_val
  1016. * should be the same for upper bound and COS credit val).
  1017. */
  1018. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1019. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1020. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1021. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1022. cos_bw_bitmap |= (1 << cos_entry);
  1023. /*
  1024. * The function also sets the BW in HW(not the mappin
  1025. * yet)
  1026. */
  1027. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1028. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1029. total_bw,
  1030. ets_params->cos[cos_entry].params.bw_params.bw,
  1031. port);
  1032. } else if (bnx2x_cos_state_strict ==
  1033. ets_params->cos[cos_entry].state){
  1034. cos_sp_bitmap |= (1 << cos_entry);
  1035. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1036. params,
  1037. sp_pri_to_cos,
  1038. ets_params->cos[cos_entry].params.sp_params.pri,
  1039. cos_entry);
  1040. } else {
  1041. DP(NETIF_MSG_LINK,
  1042. "bnx2x_ets_e3b0_config cos state not valid\n");
  1043. return -EINVAL;
  1044. }
  1045. if (bnx2x_status) {
  1046. DP(NETIF_MSG_LINK,
  1047. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1048. return bnx2x_status;
  1049. }
  1050. }
  1051. /* Set SP register (which COS has higher priority) */
  1052. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1053. sp_pri_to_cos);
  1054. if (bnx2x_status) {
  1055. DP(NETIF_MSG_LINK,
  1056. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1057. return bnx2x_status;
  1058. }
  1059. /* Set client mapping of BW and strict */
  1060. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1061. cos_sp_bitmap,
  1062. cos_bw_bitmap);
  1063. if (bnx2x_status) {
  1064. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1065. return bnx2x_status;
  1066. }
  1067. return 0;
  1068. }
  1069. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1070. {
  1071. /* ETS disabled configuration */
  1072. struct bnx2x *bp = params->bp;
  1073. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1074. /*
  1075. * defines which entries (clients) are subjected to WFQ arbitration
  1076. * COS0 0x8
  1077. * COS1 0x10
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1080. /*
  1081. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1082. * client numbers (WEIGHT_0 does not actually have to represent
  1083. * client 0)
  1084. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1085. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1086. */
  1087. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1088. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1089. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1090. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1091. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1092. /* ETS mode enabled*/
  1093. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1094. /* Defines the number of consecutive slots for the strict priority */
  1095. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1096. /*
  1097. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1098. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1099. * entry, 4 - COS1 entry.
  1100. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1101. * bit4 bit3 bit2 bit1 bit0
  1102. * MCP and debug are strict
  1103. */
  1104. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1105. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1106. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1107. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1108. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1109. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1110. }
  1111. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1112. const u32 cos1_bw)
  1113. {
  1114. /* ETS disabled configuration*/
  1115. struct bnx2x *bp = params->bp;
  1116. const u32 total_bw = cos0_bw + cos1_bw;
  1117. u32 cos0_credit_weight = 0;
  1118. u32 cos1_credit_weight = 0;
  1119. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1120. if ((!total_bw) ||
  1121. (!cos0_bw) ||
  1122. (!cos1_bw)) {
  1123. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1124. return;
  1125. }
  1126. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1127. total_bw;
  1128. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1129. total_bw;
  1130. bnx2x_ets_bw_limit_common(params);
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1132. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1133. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1134. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1135. }
  1136. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1137. {
  1138. /* ETS disabled configuration*/
  1139. struct bnx2x *bp = params->bp;
  1140. u32 val = 0;
  1141. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1142. /*
  1143. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1144. * as strict. Bits 0,1,2 - debug and management entries,
  1145. * 3 - COS0 entry, 4 - COS1 entry.
  1146. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1147. * bit4 bit3 bit2 bit1 bit0
  1148. * MCP and debug are strict
  1149. */
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1151. /*
  1152. * For strict priority entries defines the number of consecutive slots
  1153. * for the highest priority.
  1154. */
  1155. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1156. /* ETS mode disable */
  1157. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1158. /* Defines the number of consecutive slots for the strict priority */
  1159. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1160. /* Defines the number of consecutive slots for the strict priority */
  1161. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1162. /*
  1163. * mapping between entry priority to client number (0,1,2 -debug and
  1164. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1165. * 3bits client num.
  1166. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1167. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1168. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1169. */
  1170. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1171. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1172. return 0;
  1173. }
  1174. /******************************************************************/
  1175. /* PFC section */
  1176. /******************************************************************/
  1177. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1178. struct link_vars *vars,
  1179. u8 is_lb)
  1180. {
  1181. struct bnx2x *bp = params->bp;
  1182. u32 xmac_base;
  1183. u32 pause_val, pfc0_val, pfc1_val;
  1184. /* XMAC base adrr */
  1185. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1186. /* Initialize pause and pfc registers */
  1187. pause_val = 0x18000;
  1188. pfc0_val = 0xFFFF8000;
  1189. pfc1_val = 0x2;
  1190. /* No PFC support */
  1191. if (!(params->feature_config_flags &
  1192. FEATURE_CONFIG_PFC_ENABLED)) {
  1193. /*
  1194. * RX flow control - Process pause frame in receive direction
  1195. */
  1196. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1197. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1198. /*
  1199. * TX flow control - Send pause packet when buffer is full
  1200. */
  1201. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1202. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1203. } else {/* PFC support */
  1204. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1205. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1206. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1207. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1208. }
  1209. /* Write pause and PFC registers */
  1210. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1211. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1212. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1213. /* Set MAC address for source TX Pause/PFC frames */
  1214. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1215. ((params->mac_addr[2] << 24) |
  1216. (params->mac_addr[3] << 16) |
  1217. (params->mac_addr[4] << 8) |
  1218. (params->mac_addr[5])));
  1219. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1220. ((params->mac_addr[0] << 8) |
  1221. (params->mac_addr[1])));
  1222. udelay(30);
  1223. }
  1224. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1225. u32 pfc_frames_sent[2],
  1226. u32 pfc_frames_received[2])
  1227. {
  1228. /* Read pfc statistic */
  1229. struct bnx2x *bp = params->bp;
  1230. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1231. u32 val_xon = 0;
  1232. u32 val_xoff = 0;
  1233. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1234. /* PFC received frames */
  1235. val_xoff = REG_RD(bp, emac_base +
  1236. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1237. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1238. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1239. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1240. pfc_frames_received[0] = val_xon + val_xoff;
  1241. /* PFC received sent */
  1242. val_xoff = REG_RD(bp, emac_base +
  1243. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1244. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1245. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1246. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1247. pfc_frames_sent[0] = val_xon + val_xoff;
  1248. }
  1249. /* Read pfc statistic*/
  1250. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1251. u32 pfc_frames_sent[2],
  1252. u32 pfc_frames_received[2])
  1253. {
  1254. /* Read pfc statistic */
  1255. struct bnx2x *bp = params->bp;
  1256. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1257. if (!vars->link_up)
  1258. return;
  1259. if (vars->mac_type == MAC_TYPE_EMAC) {
  1260. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1261. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1262. pfc_frames_received);
  1263. }
  1264. }
  1265. /******************************************************************/
  1266. /* MAC/PBF section */
  1267. /******************************************************************/
  1268. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1269. {
  1270. u32 mode, emac_base;
  1271. /**
  1272. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1273. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1274. */
  1275. if (CHIP_IS_E2(bp))
  1276. emac_base = GRCBASE_EMAC0;
  1277. else
  1278. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1279. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1280. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1281. EMAC_MDIO_MODE_CLOCK_CNT);
  1282. if (USES_WARPCORE(bp))
  1283. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1284. else
  1285. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1286. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1287. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1288. udelay(40);
  1289. }
  1290. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1291. {
  1292. u32 port4mode_ovwr_val;
  1293. /* Check 4-port override enabled */
  1294. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1295. if (port4mode_ovwr_val & (1<<0)) {
  1296. /* Return 4-port mode override value */
  1297. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1298. }
  1299. /* Return 4-port mode from input pin */
  1300. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1301. }
  1302. static void bnx2x_emac_init(struct link_params *params,
  1303. struct link_vars *vars)
  1304. {
  1305. /* reset and unreset the emac core */
  1306. struct bnx2x *bp = params->bp;
  1307. u8 port = params->port;
  1308. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1309. u32 val;
  1310. u16 timeout;
  1311. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1312. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1313. udelay(5);
  1314. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1315. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1316. /* init emac - use read-modify-write */
  1317. /* self clear reset */
  1318. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1319. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1320. timeout = 200;
  1321. do {
  1322. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1323. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1324. if (!timeout) {
  1325. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1326. return;
  1327. }
  1328. timeout--;
  1329. } while (val & EMAC_MODE_RESET);
  1330. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1331. /* Set mac address */
  1332. val = ((params->mac_addr[0] << 8) |
  1333. params->mac_addr[1]);
  1334. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1335. val = ((params->mac_addr[2] << 24) |
  1336. (params->mac_addr[3] << 16) |
  1337. (params->mac_addr[4] << 8) |
  1338. params->mac_addr[5]);
  1339. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1340. }
  1341. static void bnx2x_set_xumac_nig(struct link_params *params,
  1342. u16 tx_pause_en,
  1343. u8 enable)
  1344. {
  1345. struct bnx2x *bp = params->bp;
  1346. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1347. enable);
  1348. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1349. enable);
  1350. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1351. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1352. }
  1353. static void bnx2x_umac_disable(struct link_params *params)
  1354. {
  1355. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1356. struct bnx2x *bp = params->bp;
  1357. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1358. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1359. return;
  1360. /* Disable RX and TX */
  1361. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1362. }
  1363. static void bnx2x_umac_enable(struct link_params *params,
  1364. struct link_vars *vars, u8 lb)
  1365. {
  1366. u32 val;
  1367. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1368. struct bnx2x *bp = params->bp;
  1369. /* Reset UMAC */
  1370. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1371. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1372. usleep_range(1000, 1000);
  1373. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1374. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1375. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1376. /**
  1377. * This register determines on which events the MAC will assert
  1378. * error on the i/f to the NIG along w/ EOP.
  1379. */
  1380. /**
  1381. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1382. * params->port*0x14, 0xfffff.
  1383. */
  1384. /* This register opens the gate for the UMAC despite its name */
  1385. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1386. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1387. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1388. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1389. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1390. switch (vars->line_speed) {
  1391. case SPEED_10:
  1392. val |= (0<<2);
  1393. break;
  1394. case SPEED_100:
  1395. val |= (1<<2);
  1396. break;
  1397. case SPEED_1000:
  1398. val |= (2<<2);
  1399. break;
  1400. case SPEED_2500:
  1401. val |= (3<<2);
  1402. break;
  1403. default:
  1404. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1405. vars->line_speed);
  1406. break;
  1407. }
  1408. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1409. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1410. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1411. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1412. if (vars->duplex == DUPLEX_HALF)
  1413. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1414. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1415. udelay(50);
  1416. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1417. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1418. ((params->mac_addr[2] << 24) |
  1419. (params->mac_addr[3] << 16) |
  1420. (params->mac_addr[4] << 8) |
  1421. (params->mac_addr[5])));
  1422. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1423. ((params->mac_addr[0] << 8) |
  1424. (params->mac_addr[1])));
  1425. /* Enable RX and TX */
  1426. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1427. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1428. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1429. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1430. udelay(50);
  1431. /* Remove SW Reset */
  1432. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1433. /* Check loopback mode */
  1434. if (lb)
  1435. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1436. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1437. /*
  1438. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1439. * length used by the MAC receive logic to check frames.
  1440. */
  1441. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1442. bnx2x_set_xumac_nig(params,
  1443. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1444. vars->mac_type = MAC_TYPE_UMAC;
  1445. }
  1446. /* Define the XMAC mode */
  1447. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1448. {
  1449. struct bnx2x *bp = params->bp;
  1450. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1451. /*
  1452. * In 4-port mode, need to set the mode only once, so if XMAC is
  1453. * already out of reset, it means the mode has already been set,
  1454. * and it must not* reset the XMAC again, since it controls both
  1455. * ports of the path
  1456. */
  1457. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1458. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1459. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1460. DP(NETIF_MSG_LINK,
  1461. "XMAC already out of reset in 4-port mode\n");
  1462. return;
  1463. }
  1464. /* Hard reset */
  1465. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1466. MISC_REGISTERS_RESET_REG_2_XMAC);
  1467. usleep_range(1000, 1000);
  1468. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1469. MISC_REGISTERS_RESET_REG_2_XMAC);
  1470. if (is_port4mode) {
  1471. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1472. /* Set the number of ports on the system side to up to 2 */
  1473. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1474. /* Set the number of ports on the Warp Core to 10G */
  1475. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1476. } else {
  1477. /* Set the number of ports on the system side to 1 */
  1478. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1479. if (max_speed == SPEED_10000) {
  1480. DP(NETIF_MSG_LINK,
  1481. "Init XMAC to 10G x 1 port per path\n");
  1482. /* Set the number of ports on the Warp Core to 10G */
  1483. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1484. } else {
  1485. DP(NETIF_MSG_LINK,
  1486. "Init XMAC to 20G x 2 ports per path\n");
  1487. /* Set the number of ports on the Warp Core to 20G */
  1488. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1489. }
  1490. }
  1491. /* Soft reset */
  1492. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1493. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1494. usleep_range(1000, 1000);
  1495. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1496. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1497. }
  1498. static void bnx2x_xmac_disable(struct link_params *params)
  1499. {
  1500. u8 port = params->port;
  1501. struct bnx2x *bp = params->bp;
  1502. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1503. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1504. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1505. /*
  1506. * Send an indication to change the state in the NIG back to XON
  1507. * Clearing this bit enables the next set of this bit to get
  1508. * rising edge
  1509. */
  1510. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1511. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1512. (pfc_ctrl & ~(1<<1)));
  1513. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1514. (pfc_ctrl | (1<<1)));
  1515. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1516. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1517. }
  1518. }
  1519. static int bnx2x_xmac_enable(struct link_params *params,
  1520. struct link_vars *vars, u8 lb)
  1521. {
  1522. u32 val, xmac_base;
  1523. struct bnx2x *bp = params->bp;
  1524. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1525. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1526. bnx2x_xmac_init(params, vars->line_speed);
  1527. /*
  1528. * This register determines on which events the MAC will assert
  1529. * error on the i/f to the NIG along w/ EOP.
  1530. */
  1531. /*
  1532. * This register tells the NIG whether to send traffic to UMAC
  1533. * or XMAC
  1534. */
  1535. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1536. /* Set Max packet size */
  1537. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1538. /* CRC append for Tx packets */
  1539. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1540. /* update PFC */
  1541. bnx2x_update_pfc_xmac(params, vars, 0);
  1542. /* Enable TX and RX */
  1543. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1544. /* Check loopback mode */
  1545. if (lb)
  1546. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1547. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1548. bnx2x_set_xumac_nig(params,
  1549. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1550. vars->mac_type = MAC_TYPE_XMAC;
  1551. return 0;
  1552. }
  1553. static int bnx2x_emac_enable(struct link_params *params,
  1554. struct link_vars *vars, u8 lb)
  1555. {
  1556. struct bnx2x *bp = params->bp;
  1557. u8 port = params->port;
  1558. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1559. u32 val;
  1560. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1561. /* Disable BMAC */
  1562. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1563. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1564. /* enable emac and not bmac */
  1565. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1566. /* ASIC */
  1567. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1568. u32 ser_lane = ((params->lane_config &
  1569. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1570. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1571. DP(NETIF_MSG_LINK, "XGXS\n");
  1572. /* select the master lanes (out of 0-3) */
  1573. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1574. /* select XGXS */
  1575. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1576. } else { /* SerDes */
  1577. DP(NETIF_MSG_LINK, "SerDes\n");
  1578. /* select SerDes */
  1579. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1580. }
  1581. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1582. EMAC_RX_MODE_RESET);
  1583. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1584. EMAC_TX_MODE_RESET);
  1585. if (CHIP_REV_IS_SLOW(bp)) {
  1586. /* config GMII mode */
  1587. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1588. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1589. } else { /* ASIC */
  1590. /* pause enable/disable */
  1591. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1592. EMAC_RX_MODE_FLOW_EN);
  1593. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1594. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1595. EMAC_TX_MODE_FLOW_EN));
  1596. if (!(params->feature_config_flags &
  1597. FEATURE_CONFIG_PFC_ENABLED)) {
  1598. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1599. bnx2x_bits_en(bp, emac_base +
  1600. EMAC_REG_EMAC_RX_MODE,
  1601. EMAC_RX_MODE_FLOW_EN);
  1602. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1603. bnx2x_bits_en(bp, emac_base +
  1604. EMAC_REG_EMAC_TX_MODE,
  1605. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1606. EMAC_TX_MODE_FLOW_EN));
  1607. } else
  1608. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1609. EMAC_TX_MODE_FLOW_EN);
  1610. }
  1611. /* KEEP_VLAN_TAG, promiscuous */
  1612. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1613. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1614. /*
  1615. * Setting this bit causes MAC control frames (except for pause
  1616. * frames) to be passed on for processing. This setting has no
  1617. * affect on the operation of the pause frames. This bit effects
  1618. * all packets regardless of RX Parser packet sorting logic.
  1619. * Turn the PFC off to make sure we are in Xon state before
  1620. * enabling it.
  1621. */
  1622. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1623. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1624. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1625. /* Enable PFC again */
  1626. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1627. EMAC_REG_RX_PFC_MODE_RX_EN |
  1628. EMAC_REG_RX_PFC_MODE_TX_EN |
  1629. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1630. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1631. ((0x0101 <<
  1632. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1633. (0x00ff <<
  1634. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1635. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1636. }
  1637. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1638. /* Set Loopback */
  1639. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1640. if (lb)
  1641. val |= 0x810;
  1642. else
  1643. val &= ~0x810;
  1644. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1645. /* enable emac */
  1646. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1647. /* enable emac for jumbo packets */
  1648. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1649. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1650. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1651. /* strip CRC */
  1652. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1653. /* disable the NIG in/out to the bmac */
  1654. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1655. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1656. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1657. /* enable the NIG in/out to the emac */
  1658. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1659. val = 0;
  1660. if ((params->feature_config_flags &
  1661. FEATURE_CONFIG_PFC_ENABLED) ||
  1662. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1663. val = 1;
  1664. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1665. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1666. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1667. vars->mac_type = MAC_TYPE_EMAC;
  1668. return 0;
  1669. }
  1670. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1671. struct link_vars *vars)
  1672. {
  1673. u32 wb_data[2];
  1674. struct bnx2x *bp = params->bp;
  1675. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1676. NIG_REG_INGRESS_BMAC0_MEM;
  1677. u32 val = 0x14;
  1678. if ((!(params->feature_config_flags &
  1679. FEATURE_CONFIG_PFC_ENABLED)) &&
  1680. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1681. /* Enable BigMAC to react on received Pause packets */
  1682. val |= (1<<5);
  1683. wb_data[0] = val;
  1684. wb_data[1] = 0;
  1685. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1686. /* tx control */
  1687. val = 0xc0;
  1688. if (!(params->feature_config_flags &
  1689. FEATURE_CONFIG_PFC_ENABLED) &&
  1690. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1691. val |= 0x800000;
  1692. wb_data[0] = val;
  1693. wb_data[1] = 0;
  1694. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1695. }
  1696. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1697. struct link_vars *vars,
  1698. u8 is_lb)
  1699. {
  1700. /*
  1701. * Set rx control: Strip CRC and enable BigMAC to relay
  1702. * control packets to the system as well
  1703. */
  1704. u32 wb_data[2];
  1705. struct bnx2x *bp = params->bp;
  1706. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1707. NIG_REG_INGRESS_BMAC0_MEM;
  1708. u32 val = 0x14;
  1709. if ((!(params->feature_config_flags &
  1710. FEATURE_CONFIG_PFC_ENABLED)) &&
  1711. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1712. /* Enable BigMAC to react on received Pause packets */
  1713. val |= (1<<5);
  1714. wb_data[0] = val;
  1715. wb_data[1] = 0;
  1716. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1717. udelay(30);
  1718. /* Tx control */
  1719. val = 0xc0;
  1720. if (!(params->feature_config_flags &
  1721. FEATURE_CONFIG_PFC_ENABLED) &&
  1722. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1723. val |= 0x800000;
  1724. wb_data[0] = val;
  1725. wb_data[1] = 0;
  1726. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1727. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1728. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1729. /* Enable PFC RX & TX & STATS and set 8 COS */
  1730. wb_data[0] = 0x0;
  1731. wb_data[0] |= (1<<0); /* RX */
  1732. wb_data[0] |= (1<<1); /* TX */
  1733. wb_data[0] |= (1<<2); /* Force initial Xon */
  1734. wb_data[0] |= (1<<3); /* 8 cos */
  1735. wb_data[0] |= (1<<5); /* STATS */
  1736. wb_data[1] = 0;
  1737. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1738. wb_data, 2);
  1739. /* Clear the force Xon */
  1740. wb_data[0] &= ~(1<<2);
  1741. } else {
  1742. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1743. /* disable PFC RX & TX & STATS and set 8 COS */
  1744. wb_data[0] = 0x8;
  1745. wb_data[1] = 0;
  1746. }
  1747. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1748. /*
  1749. * Set Time (based unit is 512 bit time) between automatic
  1750. * re-sending of PP packets amd enable automatic re-send of
  1751. * Per-Priroity Packet as long as pp_gen is asserted and
  1752. * pp_disable is low.
  1753. */
  1754. val = 0x8000;
  1755. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1756. val |= (1<<16); /* enable automatic re-send */
  1757. wb_data[0] = val;
  1758. wb_data[1] = 0;
  1759. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1760. wb_data, 2);
  1761. /* mac control */
  1762. val = 0x3; /* Enable RX and TX */
  1763. if (is_lb) {
  1764. val |= 0x4; /* Local loopback */
  1765. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1766. }
  1767. /* When PFC enabled, Pass pause frames towards the NIG. */
  1768. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1769. val |= ((1<<6)|(1<<5));
  1770. wb_data[0] = val;
  1771. wb_data[1] = 0;
  1772. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1773. }
  1774. /* PFC BRB internal port configuration params */
  1775. struct bnx2x_pfc_brb_threshold_val {
  1776. u32 pause_xoff;
  1777. u32 pause_xon;
  1778. u32 full_xoff;
  1779. u32 full_xon;
  1780. };
  1781. struct bnx2x_pfc_brb_e3b0_val {
  1782. u32 per_class_guaranty_mode;
  1783. u32 lb_guarantied_hyst;
  1784. u32 full_lb_xoff_th;
  1785. u32 full_lb_xon_threshold;
  1786. u32 lb_guarantied;
  1787. u32 mac_0_class_t_guarantied;
  1788. u32 mac_0_class_t_guarantied_hyst;
  1789. u32 mac_1_class_t_guarantied;
  1790. u32 mac_1_class_t_guarantied_hyst;
  1791. };
  1792. struct bnx2x_pfc_brb_th_val {
  1793. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1794. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1795. struct bnx2x_pfc_brb_threshold_val default_class0;
  1796. struct bnx2x_pfc_brb_threshold_val default_class1;
  1797. };
  1798. static int bnx2x_pfc_brb_get_config_params(
  1799. struct link_params *params,
  1800. struct bnx2x_pfc_brb_th_val *config_val)
  1801. {
  1802. struct bnx2x *bp = params->bp;
  1803. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1804. config_val->default_class1.pause_xoff = 0;
  1805. config_val->default_class1.pause_xon = 0;
  1806. config_val->default_class1.full_xoff = 0;
  1807. config_val->default_class1.full_xon = 0;
  1808. if (CHIP_IS_E2(bp)) {
  1809. /* class0 defaults */
  1810. config_val->default_class0.pause_xoff =
  1811. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1812. config_val->default_class0.pause_xon =
  1813. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1814. config_val->default_class0.full_xoff =
  1815. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1816. config_val->default_class0.full_xon =
  1817. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1818. /* pause able*/
  1819. config_val->pauseable_th.pause_xoff =
  1820. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1821. config_val->pauseable_th.pause_xon =
  1822. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1823. config_val->pauseable_th.full_xoff =
  1824. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1825. config_val->pauseable_th.full_xon =
  1826. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1827. /* non pause able*/
  1828. config_val->non_pauseable_th.pause_xoff =
  1829. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.pause_xon =
  1831. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xoff =
  1833. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1834. config_val->non_pauseable_th.full_xon =
  1835. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1836. } else if (CHIP_IS_E3A0(bp)) {
  1837. /* class0 defaults */
  1838. config_val->default_class0.pause_xoff =
  1839. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1840. config_val->default_class0.pause_xon =
  1841. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1842. config_val->default_class0.full_xoff =
  1843. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1844. config_val->default_class0.full_xon =
  1845. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1846. /* pause able */
  1847. config_val->pauseable_th.pause_xoff =
  1848. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1849. config_val->pauseable_th.pause_xon =
  1850. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1851. config_val->pauseable_th.full_xoff =
  1852. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1853. config_val->pauseable_th.full_xon =
  1854. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1855. /* non pause able*/
  1856. config_val->non_pauseable_th.pause_xoff =
  1857. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1858. config_val->non_pauseable_th.pause_xon =
  1859. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1860. config_val->non_pauseable_th.full_xoff =
  1861. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1862. config_val->non_pauseable_th.full_xon =
  1863. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1864. } else if (CHIP_IS_E3B0(bp)) {
  1865. /* class0 defaults */
  1866. config_val->default_class0.pause_xoff =
  1867. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1868. config_val->default_class0.pause_xon =
  1869. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1870. config_val->default_class0.full_xoff =
  1871. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1872. config_val->default_class0.full_xon =
  1873. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1874. if (params->phy[INT_PHY].flags &
  1875. FLAGS_4_PORT_MODE) {
  1876. config_val->pauseable_th.pause_xoff =
  1877. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1878. config_val->pauseable_th.pause_xon =
  1879. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1880. config_val->pauseable_th.full_xoff =
  1881. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1882. config_val->pauseable_th.full_xon =
  1883. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1884. /* non pause able*/
  1885. config_val->non_pauseable_th.pause_xoff =
  1886. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1887. config_val->non_pauseable_th.pause_xon =
  1888. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1889. config_val->non_pauseable_th.full_xoff =
  1890. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1891. config_val->non_pauseable_th.full_xon =
  1892. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1893. } else {
  1894. config_val->pauseable_th.pause_xoff =
  1895. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1896. config_val->pauseable_th.pause_xon =
  1897. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1898. config_val->pauseable_th.full_xoff =
  1899. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1900. config_val->pauseable_th.full_xon =
  1901. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1902. /* non pause able*/
  1903. config_val->non_pauseable_th.pause_xoff =
  1904. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1905. config_val->non_pauseable_th.pause_xon =
  1906. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1907. config_val->non_pauseable_th.full_xoff =
  1908. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1909. config_val->non_pauseable_th.full_xon =
  1910. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1911. }
  1912. } else
  1913. return -EINVAL;
  1914. return 0;
  1915. }
  1916. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1917. struct link_params *params,
  1918. struct bnx2x_pfc_brb_e3b0_val
  1919. *e3b0_val,
  1920. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1921. const u8 pfc_enabled)
  1922. {
  1923. if (pfc_enabled && pfc_params) {
  1924. e3b0_val->per_class_guaranty_mode = 1;
  1925. e3b0_val->lb_guarantied_hyst = 80;
  1926. if (params->phy[INT_PHY].flags &
  1927. FLAGS_4_PORT_MODE) {
  1928. e3b0_val->full_lb_xoff_th =
  1929. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1930. e3b0_val->full_lb_xon_threshold =
  1931. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1932. e3b0_val->lb_guarantied =
  1933. PFC_E3B0_4P_LB_GUART;
  1934. e3b0_val->mac_0_class_t_guarantied =
  1935. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1936. e3b0_val->mac_0_class_t_guarantied_hyst =
  1937. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1938. e3b0_val->mac_1_class_t_guarantied =
  1939. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1940. e3b0_val->mac_1_class_t_guarantied_hyst =
  1941. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1942. } else {
  1943. e3b0_val->full_lb_xoff_th =
  1944. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1945. e3b0_val->full_lb_xon_threshold =
  1946. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1947. e3b0_val->mac_0_class_t_guarantied_hyst =
  1948. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1949. e3b0_val->mac_1_class_t_guarantied =
  1950. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1951. e3b0_val->mac_1_class_t_guarantied_hyst =
  1952. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1953. if (pfc_params->cos0_pauseable !=
  1954. pfc_params->cos1_pauseable) {
  1955. /* nonpauseable= Lossy + pauseable = Lossless*/
  1956. e3b0_val->lb_guarantied =
  1957. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1958. e3b0_val->mac_0_class_t_guarantied =
  1959. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1960. } else if (pfc_params->cos0_pauseable) {
  1961. /* Lossless +Lossless*/
  1962. e3b0_val->lb_guarantied =
  1963. PFC_E3B0_2P_PAUSE_LB_GUART;
  1964. e3b0_val->mac_0_class_t_guarantied =
  1965. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1966. } else {
  1967. /* Lossy +Lossy*/
  1968. e3b0_val->lb_guarantied =
  1969. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1970. e3b0_val->mac_0_class_t_guarantied =
  1971. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1972. }
  1973. }
  1974. } else {
  1975. e3b0_val->per_class_guaranty_mode = 0;
  1976. e3b0_val->lb_guarantied_hyst = 0;
  1977. e3b0_val->full_lb_xoff_th =
  1978. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1979. e3b0_val->full_lb_xon_threshold =
  1980. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1981. e3b0_val->lb_guarantied =
  1982. DEFAULT_E3B0_LB_GUART;
  1983. e3b0_val->mac_0_class_t_guarantied =
  1984. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1985. e3b0_val->mac_0_class_t_guarantied_hyst =
  1986. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1987. e3b0_val->mac_1_class_t_guarantied =
  1988. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1989. e3b0_val->mac_1_class_t_guarantied_hyst =
  1990. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1991. }
  1992. }
  1993. static int bnx2x_update_pfc_brb(struct link_params *params,
  1994. struct link_vars *vars,
  1995. struct bnx2x_nig_brb_pfc_port_params
  1996. *pfc_params)
  1997. {
  1998. struct bnx2x *bp = params->bp;
  1999. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  2000. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  2001. &config_val.pauseable_th;
  2002. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2003. const int set_pfc = params->feature_config_flags &
  2004. FEATURE_CONFIG_PFC_ENABLED;
  2005. const u8 pfc_enabled = (set_pfc && pfc_params);
  2006. int bnx2x_status = 0;
  2007. u8 port = params->port;
  2008. /* default - pause configuration */
  2009. reg_th_config = &config_val.pauseable_th;
  2010. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2011. if (bnx2x_status)
  2012. return bnx2x_status;
  2013. if (pfc_enabled) {
  2014. /* First COS */
  2015. if (pfc_params->cos0_pauseable)
  2016. reg_th_config = &config_val.pauseable_th;
  2017. else
  2018. reg_th_config = &config_val.non_pauseable_th;
  2019. } else
  2020. reg_th_config = &config_val.default_class0;
  2021. /*
  2022. * The number of free blocks below which the pause signal to class 0
  2023. * of MAC #n is asserted. n=0,1
  2024. */
  2025. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2026. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2027. reg_th_config->pause_xoff);
  2028. /*
  2029. * The number of free blocks above which the pause signal to class 0
  2030. * of MAC #n is de-asserted. n=0,1
  2031. */
  2032. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2033. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2034. /*
  2035. * The number of free blocks below which the full signal to class 0
  2036. * of MAC #n is asserted. n=0,1
  2037. */
  2038. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2039. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2040. /*
  2041. * The number of free blocks above which the full signal to class 0
  2042. * of MAC #n is de-asserted. n=0,1
  2043. */
  2044. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2045. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2046. if (pfc_enabled) {
  2047. /* Second COS */
  2048. if (pfc_params->cos1_pauseable)
  2049. reg_th_config = &config_val.pauseable_th;
  2050. else
  2051. reg_th_config = &config_val.non_pauseable_th;
  2052. } else
  2053. reg_th_config = &config_val.default_class1;
  2054. /*
  2055. * The number of free blocks below which the pause signal to
  2056. * class 1 of MAC #n is asserted. n=0,1
  2057. */
  2058. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2059. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2060. reg_th_config->pause_xoff);
  2061. /*
  2062. * The number of free blocks above which the pause signal to
  2063. * class 1 of MAC #n is de-asserted. n=0,1
  2064. */
  2065. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2066. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2067. reg_th_config->pause_xon);
  2068. /*
  2069. * The number of free blocks below which the full signal to
  2070. * class 1 of MAC #n is asserted. n=0,1
  2071. */
  2072. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2073. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2074. reg_th_config->full_xoff);
  2075. /*
  2076. * The number of free blocks above which the full signal to
  2077. * class 1 of MAC #n is de-asserted. n=0,1
  2078. */
  2079. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2080. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2081. reg_th_config->full_xon);
  2082. if (CHIP_IS_E3B0(bp)) {
  2083. bnx2x_pfc_brb_get_e3b0_config_params(
  2084. params,
  2085. &e3b0_val,
  2086. pfc_params,
  2087. pfc_enabled);
  2088. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2089. e3b0_val.per_class_guaranty_mode);
  2090. /*
  2091. * The hysteresis on the guarantied buffer space for the Lb
  2092. * port before signaling XON.
  2093. */
  2094. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2095. e3b0_val.lb_guarantied_hyst);
  2096. /*
  2097. * The number of free blocks below which the full signal to the
  2098. * LB port is asserted.
  2099. */
  2100. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2101. e3b0_val.full_lb_xoff_th);
  2102. /*
  2103. * The number of free blocks above which the full signal to the
  2104. * LB port is de-asserted.
  2105. */
  2106. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2107. e3b0_val.full_lb_xon_threshold);
  2108. /*
  2109. * The number of blocks guarantied for the MAC #n port. n=0,1
  2110. */
  2111. /* The number of blocks guarantied for the LB port.*/
  2112. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2113. e3b0_val.lb_guarantied);
  2114. /*
  2115. * The number of blocks guarantied for the MAC #n port.
  2116. */
  2117. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2118. 2 * e3b0_val.mac_0_class_t_guarantied);
  2119. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2120. 2 * e3b0_val.mac_1_class_t_guarantied);
  2121. /*
  2122. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2123. */
  2124. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2125. e3b0_val.mac_0_class_t_guarantied);
  2126. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2127. e3b0_val.mac_0_class_t_guarantied);
  2128. /*
  2129. * The hysteresis on the guarantied buffer space for class in
  2130. * MAC0. t=0,1
  2131. */
  2132. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2133. e3b0_val.mac_0_class_t_guarantied_hyst);
  2134. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2135. e3b0_val.mac_0_class_t_guarantied_hyst);
  2136. /*
  2137. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2138. */
  2139. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2140. e3b0_val.mac_1_class_t_guarantied);
  2141. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2142. e3b0_val.mac_1_class_t_guarantied);
  2143. /*
  2144. * The hysteresis on the guarantied buffer space for class #t
  2145. * in MAC1. t=0,1
  2146. */
  2147. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2148. e3b0_val.mac_1_class_t_guarantied_hyst);
  2149. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2150. e3b0_val.mac_1_class_t_guarantied_hyst);
  2151. }
  2152. return bnx2x_status;
  2153. }
  2154. /******************************************************************************
  2155. * Description:
  2156. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2157. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2158. ******************************************************************************/
  2159. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2160. u8 cos_entry,
  2161. u32 priority_mask, u8 port)
  2162. {
  2163. u32 nig_reg_rx_priority_mask_add = 0;
  2164. switch (cos_entry) {
  2165. case 0:
  2166. nig_reg_rx_priority_mask_add = (port) ?
  2167. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2168. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2169. break;
  2170. case 1:
  2171. nig_reg_rx_priority_mask_add = (port) ?
  2172. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2173. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2174. break;
  2175. case 2:
  2176. nig_reg_rx_priority_mask_add = (port) ?
  2177. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2178. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2179. break;
  2180. case 3:
  2181. if (port)
  2182. return -EINVAL;
  2183. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2184. break;
  2185. case 4:
  2186. if (port)
  2187. return -EINVAL;
  2188. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2189. break;
  2190. case 5:
  2191. if (port)
  2192. return -EINVAL;
  2193. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2194. break;
  2195. }
  2196. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2197. return 0;
  2198. }
  2199. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2200. {
  2201. struct bnx2x *bp = params->bp;
  2202. REG_WR(bp, params->shmem_base +
  2203. offsetof(struct shmem_region,
  2204. port_mb[params->port].link_status), link_status);
  2205. }
  2206. static void bnx2x_update_pfc_nig(struct link_params *params,
  2207. struct link_vars *vars,
  2208. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2209. {
  2210. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2211. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2212. u32 pkt_priority_to_cos = 0;
  2213. struct bnx2x *bp = params->bp;
  2214. u8 port = params->port;
  2215. int set_pfc = params->feature_config_flags &
  2216. FEATURE_CONFIG_PFC_ENABLED;
  2217. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2218. /*
  2219. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2220. * MAC control frames (that are not pause packets)
  2221. * will be forwarded to the XCM.
  2222. */
  2223. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2224. NIG_REG_LLH0_XCM_MASK);
  2225. /*
  2226. * nig params will override non PFC params, since it's possible to
  2227. * do transition from PFC to SAFC
  2228. */
  2229. if (set_pfc) {
  2230. pause_enable = 0;
  2231. llfc_out_en = 0;
  2232. llfc_enable = 0;
  2233. if (CHIP_IS_E3(bp))
  2234. ppp_enable = 0;
  2235. else
  2236. ppp_enable = 1;
  2237. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2238. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2239. xcm_out_en = 0;
  2240. hwpfc_enable = 1;
  2241. } else {
  2242. if (nig_params) {
  2243. llfc_out_en = nig_params->llfc_out_en;
  2244. llfc_enable = nig_params->llfc_enable;
  2245. pause_enable = nig_params->pause_enable;
  2246. } else /*defaul non PFC mode - PAUSE */
  2247. pause_enable = 1;
  2248. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2249. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2250. xcm_out_en = 1;
  2251. }
  2252. if (CHIP_IS_E3(bp))
  2253. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2254. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2255. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2256. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2257. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2258. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2259. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2260. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2261. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2262. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2263. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2264. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2265. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2266. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2267. /* output enable for RX_XCM # IF */
  2268. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2269. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2270. /* HW PFC TX enable */
  2271. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2272. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2273. if (nig_params) {
  2274. u8 i = 0;
  2275. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2276. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2277. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2278. nig_params->rx_cos_priority_mask[i], port);
  2279. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2280. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2281. nig_params->llfc_high_priority_classes);
  2282. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2283. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2284. nig_params->llfc_low_priority_classes);
  2285. }
  2286. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2287. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2288. pkt_priority_to_cos);
  2289. }
  2290. int bnx2x_update_pfc(struct link_params *params,
  2291. struct link_vars *vars,
  2292. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2293. {
  2294. /*
  2295. * The PFC and pause are orthogonal to one another, meaning when
  2296. * PFC is enabled, the pause are disabled, and when PFC is
  2297. * disabled, pause are set according to the pause result.
  2298. */
  2299. u32 val;
  2300. struct bnx2x *bp = params->bp;
  2301. int bnx2x_status = 0;
  2302. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2303. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2304. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2305. else
  2306. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2307. bnx2x_update_mng(params, vars->link_status);
  2308. /* update NIG params */
  2309. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2310. /* update BRB params */
  2311. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2312. if (bnx2x_status)
  2313. return bnx2x_status;
  2314. if (!vars->link_up)
  2315. return bnx2x_status;
  2316. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2317. if (CHIP_IS_E3(bp))
  2318. bnx2x_update_pfc_xmac(params, vars, 0);
  2319. else {
  2320. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2321. if ((val &
  2322. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2323. == 0) {
  2324. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2325. bnx2x_emac_enable(params, vars, 0);
  2326. return bnx2x_status;
  2327. }
  2328. if (CHIP_IS_E2(bp))
  2329. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2330. else
  2331. bnx2x_update_pfc_bmac1(params, vars);
  2332. val = 0;
  2333. if ((params->feature_config_flags &
  2334. FEATURE_CONFIG_PFC_ENABLED) ||
  2335. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2336. val = 1;
  2337. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2338. }
  2339. return bnx2x_status;
  2340. }
  2341. static int bnx2x_bmac1_enable(struct link_params *params,
  2342. struct link_vars *vars,
  2343. u8 is_lb)
  2344. {
  2345. struct bnx2x *bp = params->bp;
  2346. u8 port = params->port;
  2347. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2348. NIG_REG_INGRESS_BMAC0_MEM;
  2349. u32 wb_data[2];
  2350. u32 val;
  2351. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2352. /* XGXS control */
  2353. wb_data[0] = 0x3c;
  2354. wb_data[1] = 0;
  2355. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2356. wb_data, 2);
  2357. /* tx MAC SA */
  2358. wb_data[0] = ((params->mac_addr[2] << 24) |
  2359. (params->mac_addr[3] << 16) |
  2360. (params->mac_addr[4] << 8) |
  2361. params->mac_addr[5]);
  2362. wb_data[1] = ((params->mac_addr[0] << 8) |
  2363. params->mac_addr[1]);
  2364. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2365. /* mac control */
  2366. val = 0x3;
  2367. if (is_lb) {
  2368. val |= 0x4;
  2369. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2370. }
  2371. wb_data[0] = val;
  2372. wb_data[1] = 0;
  2373. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2374. /* set rx mtu */
  2375. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2376. wb_data[1] = 0;
  2377. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2378. bnx2x_update_pfc_bmac1(params, vars);
  2379. /* set tx mtu */
  2380. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2381. wb_data[1] = 0;
  2382. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2383. /* set cnt max size */
  2384. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2385. wb_data[1] = 0;
  2386. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2387. /* configure safc */
  2388. wb_data[0] = 0x1000200;
  2389. wb_data[1] = 0;
  2390. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2391. wb_data, 2);
  2392. return 0;
  2393. }
  2394. static int bnx2x_bmac2_enable(struct link_params *params,
  2395. struct link_vars *vars,
  2396. u8 is_lb)
  2397. {
  2398. struct bnx2x *bp = params->bp;
  2399. u8 port = params->port;
  2400. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2401. NIG_REG_INGRESS_BMAC0_MEM;
  2402. u32 wb_data[2];
  2403. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2404. wb_data[0] = 0;
  2405. wb_data[1] = 0;
  2406. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2407. udelay(30);
  2408. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2409. wb_data[0] = 0x3c;
  2410. wb_data[1] = 0;
  2411. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2412. wb_data, 2);
  2413. udelay(30);
  2414. /* tx MAC SA */
  2415. wb_data[0] = ((params->mac_addr[2] << 24) |
  2416. (params->mac_addr[3] << 16) |
  2417. (params->mac_addr[4] << 8) |
  2418. params->mac_addr[5]);
  2419. wb_data[1] = ((params->mac_addr[0] << 8) |
  2420. params->mac_addr[1]);
  2421. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2422. wb_data, 2);
  2423. udelay(30);
  2424. /* Configure SAFC */
  2425. wb_data[0] = 0x1000200;
  2426. wb_data[1] = 0;
  2427. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2428. wb_data, 2);
  2429. udelay(30);
  2430. /* set rx mtu */
  2431. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2432. wb_data[1] = 0;
  2433. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2434. udelay(30);
  2435. /* set tx mtu */
  2436. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2437. wb_data[1] = 0;
  2438. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2439. udelay(30);
  2440. /* set cnt max size */
  2441. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2442. wb_data[1] = 0;
  2443. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2444. udelay(30);
  2445. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2446. return 0;
  2447. }
  2448. static int bnx2x_bmac_enable(struct link_params *params,
  2449. struct link_vars *vars,
  2450. u8 is_lb)
  2451. {
  2452. int rc = 0;
  2453. u8 port = params->port;
  2454. struct bnx2x *bp = params->bp;
  2455. u32 val;
  2456. /* reset and unreset the BigMac */
  2457. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2458. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2459. msleep(1);
  2460. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2461. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2462. /* enable access for bmac registers */
  2463. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2464. /* Enable BMAC according to BMAC type*/
  2465. if (CHIP_IS_E2(bp))
  2466. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2467. else
  2468. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2469. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2470. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2471. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2472. val = 0;
  2473. if ((params->feature_config_flags &
  2474. FEATURE_CONFIG_PFC_ENABLED) ||
  2475. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2476. val = 1;
  2477. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2478. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2479. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2480. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2481. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2482. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2483. vars->mac_type = MAC_TYPE_BMAC;
  2484. return rc;
  2485. }
  2486. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2487. {
  2488. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2489. NIG_REG_INGRESS_BMAC0_MEM;
  2490. u32 wb_data[2];
  2491. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2492. /* Only if the bmac is out of reset */
  2493. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2494. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2495. nig_bmac_enable) {
  2496. if (CHIP_IS_E2(bp)) {
  2497. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2498. REG_RD_DMAE(bp, bmac_addr +
  2499. BIGMAC2_REGISTER_BMAC_CONTROL,
  2500. wb_data, 2);
  2501. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2502. REG_WR_DMAE(bp, bmac_addr +
  2503. BIGMAC2_REGISTER_BMAC_CONTROL,
  2504. wb_data, 2);
  2505. } else {
  2506. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2507. REG_RD_DMAE(bp, bmac_addr +
  2508. BIGMAC_REGISTER_BMAC_CONTROL,
  2509. wb_data, 2);
  2510. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2511. REG_WR_DMAE(bp, bmac_addr +
  2512. BIGMAC_REGISTER_BMAC_CONTROL,
  2513. wb_data, 2);
  2514. }
  2515. msleep(1);
  2516. }
  2517. }
  2518. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2519. u32 line_speed)
  2520. {
  2521. struct bnx2x *bp = params->bp;
  2522. u8 port = params->port;
  2523. u32 init_crd, crd;
  2524. u32 count = 1000;
  2525. /* disable port */
  2526. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2527. /* wait for init credit */
  2528. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2529. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2530. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2531. while ((init_crd != crd) && count) {
  2532. msleep(5);
  2533. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2534. count--;
  2535. }
  2536. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2537. if (init_crd != crd) {
  2538. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2539. init_crd, crd);
  2540. return -EINVAL;
  2541. }
  2542. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2543. line_speed == SPEED_10 ||
  2544. line_speed == SPEED_100 ||
  2545. line_speed == SPEED_1000 ||
  2546. line_speed == SPEED_2500) {
  2547. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2548. /* update threshold */
  2549. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2550. /* update init credit */
  2551. init_crd = 778; /* (800-18-4) */
  2552. } else {
  2553. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2554. ETH_OVREHEAD)/16;
  2555. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2556. /* update threshold */
  2557. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2558. /* update init credit */
  2559. switch (line_speed) {
  2560. case SPEED_10000:
  2561. init_crd = thresh + 553 - 22;
  2562. break;
  2563. default:
  2564. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2565. line_speed);
  2566. return -EINVAL;
  2567. }
  2568. }
  2569. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2570. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2571. line_speed, init_crd);
  2572. /* probe the credit changes */
  2573. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2574. msleep(5);
  2575. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2576. /* enable port */
  2577. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2578. return 0;
  2579. }
  2580. /**
  2581. * bnx2x_get_emac_base - retrive emac base address
  2582. *
  2583. * @bp: driver handle
  2584. * @mdc_mdio_access: access type
  2585. * @port: port id
  2586. *
  2587. * This function selects the MDC/MDIO access (through emac0 or
  2588. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2589. * phy has a default access mode, which could also be overridden
  2590. * by nvram configuration. This parameter, whether this is the
  2591. * default phy configuration, or the nvram overrun
  2592. * configuration, is passed here as mdc_mdio_access and selects
  2593. * the emac_base for the CL45 read/writes operations
  2594. */
  2595. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2596. u32 mdc_mdio_access, u8 port)
  2597. {
  2598. u32 emac_base = 0;
  2599. switch (mdc_mdio_access) {
  2600. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2601. break;
  2602. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2603. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2604. emac_base = GRCBASE_EMAC1;
  2605. else
  2606. emac_base = GRCBASE_EMAC0;
  2607. break;
  2608. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2609. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2610. emac_base = GRCBASE_EMAC0;
  2611. else
  2612. emac_base = GRCBASE_EMAC1;
  2613. break;
  2614. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2615. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2616. break;
  2617. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2618. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2619. break;
  2620. default:
  2621. break;
  2622. }
  2623. return emac_base;
  2624. }
  2625. /******************************************************************/
  2626. /* CL22 access functions */
  2627. /******************************************************************/
  2628. static int bnx2x_cl22_write(struct bnx2x *bp,
  2629. struct bnx2x_phy *phy,
  2630. u16 reg, u16 val)
  2631. {
  2632. u32 tmp, mode;
  2633. u8 i;
  2634. int rc = 0;
  2635. /* Switch to CL22 */
  2636. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2637. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2638. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2639. /* address */
  2640. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2641. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2642. EMAC_MDIO_COMM_START_BUSY);
  2643. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2644. for (i = 0; i < 50; i++) {
  2645. udelay(10);
  2646. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2647. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2648. udelay(5);
  2649. break;
  2650. }
  2651. }
  2652. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2653. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2654. rc = -EFAULT;
  2655. }
  2656. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2657. return rc;
  2658. }
  2659. static int bnx2x_cl22_read(struct bnx2x *bp,
  2660. struct bnx2x_phy *phy,
  2661. u16 reg, u16 *ret_val)
  2662. {
  2663. u32 val, mode;
  2664. u16 i;
  2665. int rc = 0;
  2666. /* Switch to CL22 */
  2667. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2668. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2669. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2670. /* address */
  2671. val = ((phy->addr << 21) | (reg << 16) |
  2672. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2673. EMAC_MDIO_COMM_START_BUSY);
  2674. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2675. for (i = 0; i < 50; i++) {
  2676. udelay(10);
  2677. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2678. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2679. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2680. udelay(5);
  2681. break;
  2682. }
  2683. }
  2684. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2685. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2686. *ret_val = 0;
  2687. rc = -EFAULT;
  2688. }
  2689. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2690. return rc;
  2691. }
  2692. /******************************************************************/
  2693. /* CL45 access functions */
  2694. /******************************************************************/
  2695. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2696. u8 devad, u16 reg, u16 *ret_val)
  2697. {
  2698. u32 val;
  2699. u16 i;
  2700. int rc = 0;
  2701. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2702. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2703. EMAC_MDIO_STATUS_10MB);
  2704. /* address */
  2705. val = ((phy->addr << 21) | (devad << 16) | reg |
  2706. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2707. EMAC_MDIO_COMM_START_BUSY);
  2708. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2709. for (i = 0; i < 50; i++) {
  2710. udelay(10);
  2711. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2712. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2713. udelay(5);
  2714. break;
  2715. }
  2716. }
  2717. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2718. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2719. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2720. *ret_val = 0;
  2721. rc = -EFAULT;
  2722. } else {
  2723. /* data */
  2724. val = ((phy->addr << 21) | (devad << 16) |
  2725. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2726. EMAC_MDIO_COMM_START_BUSY);
  2727. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2728. for (i = 0; i < 50; i++) {
  2729. udelay(10);
  2730. val = REG_RD(bp, phy->mdio_ctrl +
  2731. EMAC_REG_EMAC_MDIO_COMM);
  2732. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2733. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2734. break;
  2735. }
  2736. }
  2737. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2738. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2739. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2740. *ret_val = 0;
  2741. rc = -EFAULT;
  2742. }
  2743. }
  2744. /* Work around for E3 A0 */
  2745. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2746. phy->flags ^= FLAGS_DUMMY_READ;
  2747. if (phy->flags & FLAGS_DUMMY_READ) {
  2748. u16 temp_val;
  2749. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2750. }
  2751. }
  2752. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2753. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2754. EMAC_MDIO_STATUS_10MB);
  2755. return rc;
  2756. }
  2757. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2758. u8 devad, u16 reg, u16 val)
  2759. {
  2760. u32 tmp;
  2761. u8 i;
  2762. int rc = 0;
  2763. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2764. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2765. EMAC_MDIO_STATUS_10MB);
  2766. /* address */
  2767. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2768. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2769. EMAC_MDIO_COMM_START_BUSY);
  2770. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2771. for (i = 0; i < 50; i++) {
  2772. udelay(10);
  2773. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2774. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2775. udelay(5);
  2776. break;
  2777. }
  2778. }
  2779. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2780. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2781. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2782. rc = -EFAULT;
  2783. } else {
  2784. /* data */
  2785. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2786. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2787. EMAC_MDIO_COMM_START_BUSY);
  2788. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2789. for (i = 0; i < 50; i++) {
  2790. udelay(10);
  2791. tmp = REG_RD(bp, phy->mdio_ctrl +
  2792. EMAC_REG_EMAC_MDIO_COMM);
  2793. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2794. udelay(5);
  2795. break;
  2796. }
  2797. }
  2798. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2799. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2800. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2801. rc = -EFAULT;
  2802. }
  2803. }
  2804. /* Work around for E3 A0 */
  2805. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2806. phy->flags ^= FLAGS_DUMMY_READ;
  2807. if (phy->flags & FLAGS_DUMMY_READ) {
  2808. u16 temp_val;
  2809. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2810. }
  2811. }
  2812. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2813. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2814. EMAC_MDIO_STATUS_10MB);
  2815. return rc;
  2816. }
  2817. /******************************************************************/
  2818. /* BSC access functions from E3 */
  2819. /******************************************************************/
  2820. static void bnx2x_bsc_module_sel(struct link_params *params)
  2821. {
  2822. int idx;
  2823. u32 board_cfg, sfp_ctrl;
  2824. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2825. struct bnx2x *bp = params->bp;
  2826. u8 port = params->port;
  2827. /* Read I2C output PINs */
  2828. board_cfg = REG_RD(bp, params->shmem_base +
  2829. offsetof(struct shmem_region,
  2830. dev_info.shared_hw_config.board));
  2831. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2832. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2833. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2834. /* Read I2C output value */
  2835. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2836. offsetof(struct shmem_region,
  2837. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2838. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2839. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2840. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2841. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2842. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2843. }
  2844. static int bnx2x_bsc_read(struct link_params *params,
  2845. struct bnx2x_phy *phy,
  2846. u8 sl_devid,
  2847. u16 sl_addr,
  2848. u8 lc_addr,
  2849. u8 xfer_cnt,
  2850. u32 *data_array)
  2851. {
  2852. u32 val, i;
  2853. int rc = 0;
  2854. struct bnx2x *bp = params->bp;
  2855. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2856. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2857. return -EINVAL;
  2858. }
  2859. if (xfer_cnt > 16) {
  2860. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2861. xfer_cnt);
  2862. return -EINVAL;
  2863. }
  2864. bnx2x_bsc_module_sel(params);
  2865. xfer_cnt = 16 - lc_addr;
  2866. /* enable the engine */
  2867. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2868. val |= MCPR_IMC_COMMAND_ENABLE;
  2869. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2870. /* program slave device ID */
  2871. val = (sl_devid << 16) | sl_addr;
  2872. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2873. /* start xfer with 0 byte to update the address pointer ???*/
  2874. val = (MCPR_IMC_COMMAND_ENABLE) |
  2875. (MCPR_IMC_COMMAND_WRITE_OP <<
  2876. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2877. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2878. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2879. /* poll for completion */
  2880. i = 0;
  2881. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2882. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2883. udelay(10);
  2884. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2885. if (i++ > 1000) {
  2886. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2887. i);
  2888. rc = -EFAULT;
  2889. break;
  2890. }
  2891. }
  2892. if (rc == -EFAULT)
  2893. return rc;
  2894. /* start xfer with read op */
  2895. val = (MCPR_IMC_COMMAND_ENABLE) |
  2896. (MCPR_IMC_COMMAND_READ_OP <<
  2897. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2898. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2899. (xfer_cnt);
  2900. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2901. /* poll for completion */
  2902. i = 0;
  2903. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2904. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2905. udelay(10);
  2906. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2907. if (i++ > 1000) {
  2908. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2909. rc = -EFAULT;
  2910. break;
  2911. }
  2912. }
  2913. if (rc == -EFAULT)
  2914. return rc;
  2915. for (i = (lc_addr >> 2); i < 4; i++) {
  2916. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2917. #ifdef __BIG_ENDIAN
  2918. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2919. ((data_array[i] & 0x0000ff00) << 8) |
  2920. ((data_array[i] & 0x00ff0000) >> 8) |
  2921. ((data_array[i] & 0xff000000) >> 24);
  2922. #endif
  2923. }
  2924. return rc;
  2925. }
  2926. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2927. u8 devad, u16 reg, u16 or_val)
  2928. {
  2929. u16 val;
  2930. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2931. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2932. }
  2933. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2934. u8 devad, u16 reg, u16 *ret_val)
  2935. {
  2936. u8 phy_index;
  2937. /*
  2938. * Probe for the phy according to the given phy_addr, and execute
  2939. * the read request on it
  2940. */
  2941. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2942. if (params->phy[phy_index].addr == phy_addr) {
  2943. return bnx2x_cl45_read(params->bp,
  2944. &params->phy[phy_index], devad,
  2945. reg, ret_val);
  2946. }
  2947. }
  2948. return -EINVAL;
  2949. }
  2950. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2951. u8 devad, u16 reg, u16 val)
  2952. {
  2953. u8 phy_index;
  2954. /*
  2955. * Probe for the phy according to the given phy_addr, and execute
  2956. * the write request on it
  2957. */
  2958. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2959. if (params->phy[phy_index].addr == phy_addr) {
  2960. return bnx2x_cl45_write(params->bp,
  2961. &params->phy[phy_index], devad,
  2962. reg, val);
  2963. }
  2964. }
  2965. return -EINVAL;
  2966. }
  2967. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2968. struct link_params *params)
  2969. {
  2970. u8 lane = 0;
  2971. struct bnx2x *bp = params->bp;
  2972. u32 path_swap, path_swap_ovr;
  2973. u8 path, port;
  2974. path = BP_PATH(bp);
  2975. port = params->port;
  2976. if (bnx2x_is_4_port_mode(bp)) {
  2977. u32 port_swap, port_swap_ovr;
  2978. /*figure out path swap value */
  2979. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2980. if (path_swap_ovr & 0x1)
  2981. path_swap = (path_swap_ovr & 0x2);
  2982. else
  2983. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2984. if (path_swap)
  2985. path = path ^ 1;
  2986. /*figure out port swap value */
  2987. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2988. if (port_swap_ovr & 0x1)
  2989. port_swap = (port_swap_ovr & 0x2);
  2990. else
  2991. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2992. if (port_swap)
  2993. port = port ^ 1;
  2994. lane = (port<<1) + path;
  2995. } else { /* two port mode - no port swap */
  2996. /*figure out path swap value */
  2997. path_swap_ovr =
  2998. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2999. if (path_swap_ovr & 0x1) {
  3000. path_swap = (path_swap_ovr & 0x2);
  3001. } else {
  3002. path_swap =
  3003. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3004. }
  3005. if (path_swap)
  3006. path = path ^ 1;
  3007. lane = path << 1 ;
  3008. }
  3009. return lane;
  3010. }
  3011. static void bnx2x_set_aer_mmd(struct link_params *params,
  3012. struct bnx2x_phy *phy)
  3013. {
  3014. u32 ser_lane;
  3015. u16 offset, aer_val;
  3016. struct bnx2x *bp = params->bp;
  3017. ser_lane = ((params->lane_config &
  3018. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3019. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3020. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3021. (phy->addr + ser_lane) : 0;
  3022. if (USES_WARPCORE(bp)) {
  3023. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3024. /*
  3025. * In Dual-lane mode, two lanes are joined together,
  3026. * so in order to configure them, the AER broadcast method is
  3027. * used here.
  3028. * 0x200 is the broadcast address for lanes 0,1
  3029. * 0x201 is the broadcast address for lanes 2,3
  3030. */
  3031. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3032. aer_val = (aer_val >> 1) | 0x200;
  3033. } else if (CHIP_IS_E2(bp))
  3034. aer_val = 0x3800 + offset - 1;
  3035. else
  3036. aer_val = 0x3800 + offset;
  3037. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3038. MDIO_AER_BLOCK_AER_REG, aer_val);
  3039. }
  3040. /******************************************************************/
  3041. /* Internal phy section */
  3042. /******************************************************************/
  3043. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3044. {
  3045. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3046. /* Set Clause 22 */
  3047. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3048. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3049. udelay(500);
  3050. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3051. udelay(500);
  3052. /* Set Clause 45 */
  3053. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3054. }
  3055. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3056. {
  3057. u32 val;
  3058. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3059. val = SERDES_RESET_BITS << (port*16);
  3060. /* reset and unreset the SerDes/XGXS */
  3061. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3062. udelay(500);
  3063. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3064. bnx2x_set_serdes_access(bp, port);
  3065. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3066. DEFAULT_PHY_DEV_ADDR);
  3067. }
  3068. static void bnx2x_xgxs_deassert(struct link_params *params)
  3069. {
  3070. struct bnx2x *bp = params->bp;
  3071. u8 port;
  3072. u32 val;
  3073. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3074. port = params->port;
  3075. val = XGXS_RESET_BITS << (port*16);
  3076. /* reset and unreset the SerDes/XGXS */
  3077. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3078. udelay(500);
  3079. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3080. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3081. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3082. params->phy[INT_PHY].def_md_devad);
  3083. }
  3084. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3085. struct link_params *params, u16 *ieee_fc)
  3086. {
  3087. struct bnx2x *bp = params->bp;
  3088. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3089. /**
  3090. * resolve pause mode and advertisement Please refer to Table
  3091. * 28B-3 of the 802.3ab-1999 spec
  3092. */
  3093. switch (phy->req_flow_ctrl) {
  3094. case BNX2X_FLOW_CTRL_AUTO:
  3095. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3096. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3097. else
  3098. *ieee_fc |=
  3099. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3100. break;
  3101. case BNX2X_FLOW_CTRL_TX:
  3102. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3103. break;
  3104. case BNX2X_FLOW_CTRL_RX:
  3105. case BNX2X_FLOW_CTRL_BOTH:
  3106. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3107. break;
  3108. case BNX2X_FLOW_CTRL_NONE:
  3109. default:
  3110. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3111. break;
  3112. }
  3113. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3114. }
  3115. static void set_phy_vars(struct link_params *params,
  3116. struct link_vars *vars)
  3117. {
  3118. struct bnx2x *bp = params->bp;
  3119. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3120. u8 phy_config_swapped = params->multi_phy_config &
  3121. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3122. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3123. phy_index++) {
  3124. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3125. actual_phy_idx = phy_index;
  3126. if (phy_config_swapped) {
  3127. if (phy_index == EXT_PHY1)
  3128. actual_phy_idx = EXT_PHY2;
  3129. else if (phy_index == EXT_PHY2)
  3130. actual_phy_idx = EXT_PHY1;
  3131. }
  3132. params->phy[actual_phy_idx].req_flow_ctrl =
  3133. params->req_flow_ctrl[link_cfg_idx];
  3134. params->phy[actual_phy_idx].req_line_speed =
  3135. params->req_line_speed[link_cfg_idx];
  3136. params->phy[actual_phy_idx].speed_cap_mask =
  3137. params->speed_cap_mask[link_cfg_idx];
  3138. params->phy[actual_phy_idx].req_duplex =
  3139. params->req_duplex[link_cfg_idx];
  3140. if (params->req_line_speed[link_cfg_idx] ==
  3141. SPEED_AUTO_NEG)
  3142. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3143. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3144. " speed_cap_mask %x\n",
  3145. params->phy[actual_phy_idx].req_flow_ctrl,
  3146. params->phy[actual_phy_idx].req_line_speed,
  3147. params->phy[actual_phy_idx].speed_cap_mask);
  3148. }
  3149. }
  3150. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3151. struct bnx2x_phy *phy,
  3152. struct link_vars *vars)
  3153. {
  3154. u16 val;
  3155. struct bnx2x *bp = params->bp;
  3156. /* read modify write pause advertizing */
  3157. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3158. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3159. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3160. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3161. if ((vars->ieee_fc &
  3162. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3163. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3164. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3165. }
  3166. if ((vars->ieee_fc &
  3167. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3168. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3169. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3170. }
  3171. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3172. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3173. }
  3174. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3175. { /* LD LP */
  3176. switch (pause_result) { /* ASYM P ASYM P */
  3177. case 0xb: /* 1 0 1 1 */
  3178. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3179. break;
  3180. case 0xe: /* 1 1 1 0 */
  3181. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3182. break;
  3183. case 0x5: /* 0 1 0 1 */
  3184. case 0x7: /* 0 1 1 1 */
  3185. case 0xd: /* 1 1 0 1 */
  3186. case 0xf: /* 1 1 1 1 */
  3187. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3188. break;
  3189. default:
  3190. break;
  3191. }
  3192. if (pause_result & (1<<0))
  3193. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3194. if (pause_result & (1<<1))
  3195. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3196. }
  3197. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3198. struct link_params *params,
  3199. struct link_vars *vars)
  3200. {
  3201. struct bnx2x *bp = params->bp;
  3202. u16 ld_pause; /* local */
  3203. u16 lp_pause; /* link partner */
  3204. u16 pause_result;
  3205. u8 ret = 0;
  3206. /* read twice */
  3207. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3208. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3209. vars->flow_ctrl = phy->req_flow_ctrl;
  3210. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3211. vars->flow_ctrl = params->req_fc_auto_adv;
  3212. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3213. ret = 1;
  3214. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3215. bnx2x_cl22_read(bp, phy,
  3216. 0x4, &ld_pause);
  3217. bnx2x_cl22_read(bp, phy,
  3218. 0x5, &lp_pause);
  3219. } else {
  3220. bnx2x_cl45_read(bp, phy,
  3221. MDIO_AN_DEVAD,
  3222. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3223. bnx2x_cl45_read(bp, phy,
  3224. MDIO_AN_DEVAD,
  3225. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3226. }
  3227. pause_result = (ld_pause &
  3228. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3229. pause_result |= (lp_pause &
  3230. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3231. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3232. pause_result);
  3233. bnx2x_pause_resolve(vars, pause_result);
  3234. }
  3235. return ret;
  3236. }
  3237. /******************************************************************/
  3238. /* Warpcore section */
  3239. /******************************************************************/
  3240. /* The init_internal_warpcore should mirror the xgxs,
  3241. * i.e. reset the lane (if needed), set aer for the
  3242. * init configuration, and set/clear SGMII flag. Internal
  3243. * phy init is done purely in phy_init stage.
  3244. */
  3245. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3246. struct link_params *params,
  3247. struct link_vars *vars) {
  3248. u16 val16 = 0, lane, bam37 = 0;
  3249. struct bnx2x *bp = params->bp;
  3250. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3251. /* Disable Autoneg: re-enable it after adv is done. */
  3252. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3253. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3254. /* Check adding advertisement for 1G KX */
  3255. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3256. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3257. (vars->line_speed == SPEED_1000)) {
  3258. u16 sd_digital;
  3259. val16 |= (1<<5);
  3260. /* Enable CL37 1G Parallel Detect */
  3261. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3263. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3265. (sd_digital | 0x1));
  3266. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3267. }
  3268. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3269. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3270. (vars->line_speed == SPEED_10000)) {
  3271. /* Check adding advertisement for 10G KR */
  3272. val16 |= (1<<7);
  3273. /* Enable 10G Parallel Detect */
  3274. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3275. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3276. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3277. }
  3278. /* Set Transmit PMD settings */
  3279. lane = bnx2x_get_warpcore_lane(phy, params);
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3282. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3283. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3284. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3285. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3287. 0x03f0);
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3290. 0x03f0);
  3291. /* Advertised speeds */
  3292. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3293. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3294. /* Advertised and set FEC (Forward Error Correction) */
  3295. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3296. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3297. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3298. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3299. /* Enable CL37 BAM */
  3300. if (REG_RD(bp, params->shmem_base +
  3301. offsetof(struct shmem_region, dev_info.
  3302. port_hw_config[params->port].default_cfg)) &
  3303. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3304. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3306. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3308. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3309. }
  3310. /* Advertise pause */
  3311. bnx2x_ext_phy_set_pause(params, phy, vars);
  3312. /*
  3313. * Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3314. */
  3315. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3317. if (val16 < 0xd108) {
  3318. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3319. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3320. }
  3321. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3323. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3324. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3325. /* Over 1G - AN local device user page 1 */
  3326. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3328. /* Enable Autoneg */
  3329. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3330. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3331. }
  3332. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3333. struct link_params *params,
  3334. struct link_vars *vars)
  3335. {
  3336. struct bnx2x *bp = params->bp;
  3337. u16 val;
  3338. /* Disable Autoneg */
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3341. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3342. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3345. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3346. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3347. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3348. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3351. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3352. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3353. /* Disable CL36 PCS Tx */
  3354. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3356. /* Double Wide Single Data Rate @ pll rate */
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3359. /* Leave cl72 training enable, needed for KR */
  3360. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3361. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3362. 0x2);
  3363. /* Leave CL72 enabled */
  3364. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3365. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3366. &val);
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3369. val | 0x3800);
  3370. /* Set speed via PMA/PMD register */
  3371. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3372. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3373. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3374. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3375. /*Enable encoded forced speed */
  3376. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3378. /* Turn TX scramble payload only the 64/66 scrambler */
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3381. /* Turn RX scramble payload only the 64/66 scrambler */
  3382. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3384. /* set and clear loopback to cause a reset to 64/66 decoder */
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3389. }
  3390. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3391. struct link_params *params,
  3392. u8 is_xfi)
  3393. {
  3394. struct bnx2x *bp = params->bp;
  3395. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3396. /* Hold rxSeqStart */
  3397. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3401. /* Hold tx_fifo_reset */
  3402. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3406. /* Disable CL73 AN */
  3407. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3408. /* Disable 100FX Enable and Auto-Detect */
  3409. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_FX100_CTRL1, &val);
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3413. /* Disable 100FX Idle detect */
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_FX100_CTRL3, &val);
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3418. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3423. /* Turn off auto-detect & fiber mode */
  3424. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3426. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3428. (val & 0xFFEE));
  3429. /* Set filter_force_link, disable_false_link and parallel_detect */
  3430. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3434. ((val | 0x0006) & 0xFFFE));
  3435. /* Set XFI / SFI */
  3436. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3438. misc1_val &= ~(0x1f);
  3439. if (is_xfi) {
  3440. misc1_val |= 0x5;
  3441. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3442. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3443. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3444. tx_driver_val =
  3445. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3446. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3447. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3448. } else {
  3449. misc1_val |= 0x9;
  3450. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3451. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3452. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3453. tx_driver_val =
  3454. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3455. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3456. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3457. }
  3458. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3460. /* Set Transmit PMD settings */
  3461. lane = bnx2x_get_warpcore_lane(phy, params);
  3462. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_TX_FIR_TAP,
  3464. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3465. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3466. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3467. tx_driver_val);
  3468. /* Enable fiber mode, enable and invert sig_det */
  3469. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3473. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3474. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3478. /* 10G XFI Full Duplex */
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3481. /* Release tx_fifo_reset */
  3482. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3486. /* Release rxSeqStart */
  3487. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3489. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3491. }
  3492. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3493. struct bnx2x_phy *phy)
  3494. {
  3495. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3496. }
  3497. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3498. struct bnx2x_phy *phy,
  3499. u16 lane)
  3500. {
  3501. /* Rx0 anaRxControl1G */
  3502. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3504. /* Rx2 anaRxControl1G */
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3521. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3523. /* Serdes Digital Misc1 */
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3526. /* Serdes Digital4 Misc3 */
  3527. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3529. /* Set Transmit PMD settings */
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_TX_FIR_TAP,
  3532. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3533. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3534. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3535. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3538. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3539. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3540. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3541. }
  3542. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3543. struct link_params *params,
  3544. u8 fiber_mode,
  3545. u8 always_autoneg)
  3546. {
  3547. struct bnx2x *bp = params->bp;
  3548. u16 val16, digctrl_kx1, digctrl_kx2;
  3549. /* Clear XFI clock comp in non-10G single lane mode. */
  3550. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_RX66_CONTROL, &val16);
  3552. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3554. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3555. /* SGMII Autoneg */
  3556. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3560. val16 | 0x1000);
  3561. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3562. } else {
  3563. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3565. val16 &= 0xcebf;
  3566. switch (phy->req_line_speed) {
  3567. case SPEED_10:
  3568. break;
  3569. case SPEED_100:
  3570. val16 |= 0x2000;
  3571. break;
  3572. case SPEED_1000:
  3573. val16 |= 0x0040;
  3574. break;
  3575. default:
  3576. DP(NETIF_MSG_LINK,
  3577. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3578. return;
  3579. }
  3580. if (phy->req_duplex == DUPLEX_FULL)
  3581. val16 |= 0x0100;
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3584. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3585. phy->req_line_speed);
  3586. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3587. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3588. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3589. }
  3590. /* SGMII Slave mode and disable signal detect */
  3591. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3593. if (fiber_mode)
  3594. digctrl_kx1 = 1;
  3595. else
  3596. digctrl_kx1 &= 0xff4a;
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3599. digctrl_kx1);
  3600. /* Turn off parallel detect */
  3601. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3605. (digctrl_kx2 & ~(1<<2)));
  3606. /* Re-enable parallel detect */
  3607. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3608. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3609. (digctrl_kx2 | (1<<2)));
  3610. /* Enable autodet */
  3611. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3613. (digctrl_kx1 | 0x10));
  3614. }
  3615. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3616. struct bnx2x_phy *phy,
  3617. u8 reset)
  3618. {
  3619. u16 val;
  3620. /* Take lane out of reset after configuration is finished */
  3621. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3622. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3623. if (reset)
  3624. val |= 0xC000;
  3625. else
  3626. val &= 0x3FFF;
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3629. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3630. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3631. }
  3632. /* Clear SFI/XFI link settings registers */
  3633. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3634. struct link_params *params,
  3635. u16 lane)
  3636. {
  3637. struct bnx2x *bp = params->bp;
  3638. u16 val16;
  3639. /* Set XFI clock comp as default. */
  3640. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_RX66_CONTROL, &val16);
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3644. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3645. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3646. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3654. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3658. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3659. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3660. lane = bnx2x_get_warpcore_lane(phy, params);
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3663. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3665. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3667. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3668. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3669. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3670. }
  3671. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3672. u32 chip_id,
  3673. u32 shmem_base, u8 port,
  3674. u8 *gpio_num, u8 *gpio_port)
  3675. {
  3676. u32 cfg_pin;
  3677. *gpio_num = 0;
  3678. *gpio_port = 0;
  3679. if (CHIP_IS_E3(bp)) {
  3680. cfg_pin = (REG_RD(bp, shmem_base +
  3681. offsetof(struct shmem_region,
  3682. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3683. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3684. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3685. /*
  3686. * Should not happen. This function called upon interrupt
  3687. * triggered by GPIO ( since EPIO can only generate interrupts
  3688. * to MCP).
  3689. * So if this function was called and none of the GPIOs was set,
  3690. * it means the shit hit the fan.
  3691. */
  3692. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3693. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3694. DP(NETIF_MSG_LINK,
  3695. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3696. cfg_pin);
  3697. return -EINVAL;
  3698. }
  3699. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3700. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3701. } else {
  3702. *gpio_num = MISC_REGISTERS_GPIO_3;
  3703. *gpio_port = port;
  3704. }
  3705. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3706. return 0;
  3707. }
  3708. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3709. struct link_params *params)
  3710. {
  3711. struct bnx2x *bp = params->bp;
  3712. u8 gpio_num, gpio_port;
  3713. u32 gpio_val;
  3714. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3715. params->shmem_base, params->port,
  3716. &gpio_num, &gpio_port) != 0)
  3717. return 0;
  3718. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3719. /* Call the handling function in case module is detected */
  3720. if (gpio_val == 0)
  3721. return 1;
  3722. else
  3723. return 0;
  3724. }
  3725. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3726. struct link_params *params)
  3727. {
  3728. u16 gp2_status_reg0, lane;
  3729. struct bnx2x *bp = params->bp;
  3730. lane = bnx2x_get_warpcore_lane(phy, params);
  3731. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3732. &gp2_status_reg0);
  3733. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3734. }
  3735. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3736. struct link_params *params,
  3737. struct link_vars *vars)
  3738. {
  3739. struct bnx2x *bp = params->bp;
  3740. u32 serdes_net_if;
  3741. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3742. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3743. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3744. if (!vars->turn_to_run_wc_rt)
  3745. return;
  3746. /* return if there is no link partner */
  3747. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3748. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3749. return;
  3750. }
  3751. if (vars->rx_tx_asic_rst) {
  3752. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3753. offsetof(struct shmem_region, dev_info.
  3754. port_hw_config[params->port].default_cfg)) &
  3755. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3756. switch (serdes_net_if) {
  3757. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3758. /* Do we get link yet? */
  3759. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3760. &gp_status1);
  3761. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3762. /*10G KR*/
  3763. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3764. DP(NETIF_MSG_LINK,
  3765. "gp_status1 0x%x\n", gp_status1);
  3766. if (lnkup_kr || lnkup) {
  3767. vars->rx_tx_asic_rst = 0;
  3768. DP(NETIF_MSG_LINK,
  3769. "link up, rx_tx_asic_rst 0x%x\n",
  3770. vars->rx_tx_asic_rst);
  3771. } else {
  3772. /*reset the lane to see if link comes up.*/
  3773. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3774. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3775. /* restart Autoneg */
  3776. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3777. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3778. vars->rx_tx_asic_rst--;
  3779. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3780. vars->rx_tx_asic_rst);
  3781. }
  3782. break;
  3783. default:
  3784. break;
  3785. }
  3786. } /*params->rx_tx_asic_rst*/
  3787. }
  3788. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3789. struct link_params *params,
  3790. struct link_vars *vars)
  3791. {
  3792. struct bnx2x *bp = params->bp;
  3793. u32 serdes_net_if;
  3794. u8 fiber_mode;
  3795. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3796. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3797. offsetof(struct shmem_region, dev_info.
  3798. port_hw_config[params->port].default_cfg)) &
  3799. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3800. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3801. "serdes_net_if = 0x%x\n",
  3802. vars->line_speed, serdes_net_if);
  3803. bnx2x_set_aer_mmd(params, phy);
  3804. vars->phy_flags |= PHY_XGXS_FLAG;
  3805. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3806. (phy->req_line_speed &&
  3807. ((phy->req_line_speed == SPEED_100) ||
  3808. (phy->req_line_speed == SPEED_10)))) {
  3809. vars->phy_flags |= PHY_SGMII_FLAG;
  3810. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3811. bnx2x_warpcore_clear_regs(phy, params, lane);
  3812. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3813. } else {
  3814. switch (serdes_net_if) {
  3815. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3816. /* Enable KR Auto Neg */
  3817. if (params->loopback_mode == LOOPBACK_NONE)
  3818. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3819. else {
  3820. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3821. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3822. }
  3823. break;
  3824. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3825. bnx2x_warpcore_clear_regs(phy, params, lane);
  3826. if (vars->line_speed == SPEED_10000) {
  3827. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3828. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3829. } else {
  3830. if (SINGLE_MEDIA_DIRECT(params)) {
  3831. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3832. fiber_mode = 1;
  3833. } else {
  3834. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3835. fiber_mode = 0;
  3836. }
  3837. bnx2x_warpcore_set_sgmii_speed(phy,
  3838. params,
  3839. fiber_mode,
  3840. 0);
  3841. }
  3842. break;
  3843. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3844. bnx2x_warpcore_clear_regs(phy, params, lane);
  3845. if (vars->line_speed == SPEED_10000) {
  3846. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3847. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3848. } else if (vars->line_speed == SPEED_1000) {
  3849. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3850. bnx2x_warpcore_set_sgmii_speed(
  3851. phy, params, 1, 0);
  3852. }
  3853. /* Issue Module detection */
  3854. if (bnx2x_is_sfp_module_plugged(phy, params))
  3855. bnx2x_sfp_module_detection(phy, params);
  3856. break;
  3857. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3858. if (vars->line_speed != SPEED_20000) {
  3859. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3860. return;
  3861. }
  3862. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3863. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3864. /* Issue Module detection */
  3865. bnx2x_sfp_module_detection(phy, params);
  3866. break;
  3867. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3868. if (vars->line_speed != SPEED_20000) {
  3869. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3870. return;
  3871. }
  3872. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3873. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3874. break;
  3875. default:
  3876. DP(NETIF_MSG_LINK,
  3877. "Unsupported Serdes Net Interface 0x%x\n",
  3878. serdes_net_if);
  3879. return;
  3880. }
  3881. }
  3882. /* Take lane out of reset after configuration is finished */
  3883. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3884. DP(NETIF_MSG_LINK, "Exit config init\n");
  3885. }
  3886. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3887. struct bnx2x_phy *phy,
  3888. u8 tx_en)
  3889. {
  3890. struct bnx2x *bp = params->bp;
  3891. u32 cfg_pin;
  3892. u8 port = params->port;
  3893. cfg_pin = REG_RD(bp, params->shmem_base +
  3894. offsetof(struct shmem_region,
  3895. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3896. PORT_HW_CFG_TX_LASER_MASK;
  3897. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3898. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3899. /* For 20G, the expected pin to be used is 3 pins after the current */
  3900. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3901. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3902. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3903. }
  3904. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3905. struct link_params *params)
  3906. {
  3907. struct bnx2x *bp = params->bp;
  3908. u16 val16;
  3909. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3910. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3911. bnx2x_set_aer_mmd(params, phy);
  3912. /* Global register */
  3913. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3914. /* Clear loopback settings (if any) */
  3915. /* 10G & 20G */
  3916. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3917. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3918. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3919. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3920. 0xBFFF);
  3921. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3922. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3923. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3924. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3925. /* Update those 1-copy registers */
  3926. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3927. MDIO_AER_BLOCK_AER_REG, 0);
  3928. /* Enable 1G MDIO (1-copy) */
  3929. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3930. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3931. &val16);
  3932. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3933. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3934. val16 & ~0x10);
  3935. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3936. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3937. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3938. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3939. val16 & 0xff00);
  3940. }
  3941. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3942. struct link_params *params)
  3943. {
  3944. struct bnx2x *bp = params->bp;
  3945. u16 val16;
  3946. u32 lane;
  3947. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3948. params->loopback_mode, phy->req_line_speed);
  3949. if (phy->req_line_speed < SPEED_10000) {
  3950. /* 10/100/1000 */
  3951. /* Update those 1-copy registers */
  3952. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3953. MDIO_AER_BLOCK_AER_REG, 0);
  3954. /* Enable 1G MDIO (1-copy) */
  3955. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3956. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3957. &val16);
  3958. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3959. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3960. val16 | 0x10);
  3961. /* Set 1G loopback based on lane (1-copy) */
  3962. lane = bnx2x_get_warpcore_lane(phy, params);
  3963. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3964. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3965. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3967. val16 | (1<<lane));
  3968. /* Switch back to 4-copy registers */
  3969. bnx2x_set_aer_mmd(params, phy);
  3970. } else {
  3971. /* 10G & 20G */
  3972. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3973. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3974. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3975. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3976. 0x4000);
  3977. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3981. }
  3982. }
  3983. void bnx2x_sync_link(struct link_params *params,
  3984. struct link_vars *vars)
  3985. {
  3986. struct bnx2x *bp = params->bp;
  3987. u8 link_10g_plus;
  3988. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3989. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3990. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3991. if (vars->link_up) {
  3992. DP(NETIF_MSG_LINK, "phy link up\n");
  3993. vars->phy_link_up = 1;
  3994. vars->duplex = DUPLEX_FULL;
  3995. switch (vars->link_status &
  3996. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3997. case LINK_10THD:
  3998. vars->duplex = DUPLEX_HALF;
  3999. /* fall thru */
  4000. case LINK_10TFD:
  4001. vars->line_speed = SPEED_10;
  4002. break;
  4003. case LINK_100TXHD:
  4004. vars->duplex = DUPLEX_HALF;
  4005. /* fall thru */
  4006. case LINK_100T4:
  4007. case LINK_100TXFD:
  4008. vars->line_speed = SPEED_100;
  4009. break;
  4010. case LINK_1000THD:
  4011. vars->duplex = DUPLEX_HALF;
  4012. /* fall thru */
  4013. case LINK_1000TFD:
  4014. vars->line_speed = SPEED_1000;
  4015. break;
  4016. case LINK_2500THD:
  4017. vars->duplex = DUPLEX_HALF;
  4018. /* fall thru */
  4019. case LINK_2500TFD:
  4020. vars->line_speed = SPEED_2500;
  4021. break;
  4022. case LINK_10GTFD:
  4023. vars->line_speed = SPEED_10000;
  4024. break;
  4025. case LINK_20GTFD:
  4026. vars->line_speed = SPEED_20000;
  4027. break;
  4028. default:
  4029. break;
  4030. }
  4031. vars->flow_ctrl = 0;
  4032. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4033. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4034. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4035. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4036. if (!vars->flow_ctrl)
  4037. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4038. if (vars->line_speed &&
  4039. ((vars->line_speed == SPEED_10) ||
  4040. (vars->line_speed == SPEED_100))) {
  4041. vars->phy_flags |= PHY_SGMII_FLAG;
  4042. } else {
  4043. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4044. }
  4045. if (vars->line_speed &&
  4046. USES_WARPCORE(bp) &&
  4047. (vars->line_speed == SPEED_1000))
  4048. vars->phy_flags |= PHY_SGMII_FLAG;
  4049. /* anything 10 and over uses the bmac */
  4050. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4051. if (link_10g_plus) {
  4052. if (USES_WARPCORE(bp))
  4053. vars->mac_type = MAC_TYPE_XMAC;
  4054. else
  4055. vars->mac_type = MAC_TYPE_BMAC;
  4056. } else {
  4057. if (USES_WARPCORE(bp))
  4058. vars->mac_type = MAC_TYPE_UMAC;
  4059. else
  4060. vars->mac_type = MAC_TYPE_EMAC;
  4061. }
  4062. } else { /* link down */
  4063. DP(NETIF_MSG_LINK, "phy link down\n");
  4064. vars->phy_link_up = 0;
  4065. vars->line_speed = 0;
  4066. vars->duplex = DUPLEX_FULL;
  4067. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4068. /* indicate no mac active */
  4069. vars->mac_type = MAC_TYPE_NONE;
  4070. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4071. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4072. }
  4073. }
  4074. void bnx2x_link_status_update(struct link_params *params,
  4075. struct link_vars *vars)
  4076. {
  4077. struct bnx2x *bp = params->bp;
  4078. u8 port = params->port;
  4079. u32 sync_offset, media_types;
  4080. /* Update PHY configuration */
  4081. set_phy_vars(params, vars);
  4082. vars->link_status = REG_RD(bp, params->shmem_base +
  4083. offsetof(struct shmem_region,
  4084. port_mb[port].link_status));
  4085. vars->phy_flags = PHY_XGXS_FLAG;
  4086. bnx2x_sync_link(params, vars);
  4087. /* Sync media type */
  4088. sync_offset = params->shmem_base +
  4089. offsetof(struct shmem_region,
  4090. dev_info.port_hw_config[port].media_type);
  4091. media_types = REG_RD(bp, sync_offset);
  4092. params->phy[INT_PHY].media_type =
  4093. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4094. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4095. params->phy[EXT_PHY1].media_type =
  4096. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4097. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4098. params->phy[EXT_PHY2].media_type =
  4099. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4100. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4101. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4102. /* Sync AEU offset */
  4103. sync_offset = params->shmem_base +
  4104. offsetof(struct shmem_region,
  4105. dev_info.port_hw_config[port].aeu_int_mask);
  4106. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4107. /* Sync PFC status */
  4108. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4109. params->feature_config_flags |=
  4110. FEATURE_CONFIG_PFC_ENABLED;
  4111. else
  4112. params->feature_config_flags &=
  4113. ~FEATURE_CONFIG_PFC_ENABLED;
  4114. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4115. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4116. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4117. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4118. }
  4119. static void bnx2x_set_master_ln(struct link_params *params,
  4120. struct bnx2x_phy *phy)
  4121. {
  4122. struct bnx2x *bp = params->bp;
  4123. u16 new_master_ln, ser_lane;
  4124. ser_lane = ((params->lane_config &
  4125. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4126. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4127. /* set the master_ln for AN */
  4128. CL22_RD_OVER_CL45(bp, phy,
  4129. MDIO_REG_BANK_XGXS_BLOCK2,
  4130. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4131. &new_master_ln);
  4132. CL22_WR_OVER_CL45(bp, phy,
  4133. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4134. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4135. (new_master_ln | ser_lane));
  4136. }
  4137. static int bnx2x_reset_unicore(struct link_params *params,
  4138. struct bnx2x_phy *phy,
  4139. u8 set_serdes)
  4140. {
  4141. struct bnx2x *bp = params->bp;
  4142. u16 mii_control;
  4143. u16 i;
  4144. CL22_RD_OVER_CL45(bp, phy,
  4145. MDIO_REG_BANK_COMBO_IEEE0,
  4146. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4147. /* reset the unicore */
  4148. CL22_WR_OVER_CL45(bp, phy,
  4149. MDIO_REG_BANK_COMBO_IEEE0,
  4150. MDIO_COMBO_IEEE0_MII_CONTROL,
  4151. (mii_control |
  4152. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4153. if (set_serdes)
  4154. bnx2x_set_serdes_access(bp, params->port);
  4155. /* wait for the reset to self clear */
  4156. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4157. udelay(5);
  4158. /* the reset erased the previous bank value */
  4159. CL22_RD_OVER_CL45(bp, phy,
  4160. MDIO_REG_BANK_COMBO_IEEE0,
  4161. MDIO_COMBO_IEEE0_MII_CONTROL,
  4162. &mii_control);
  4163. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4164. udelay(5);
  4165. return 0;
  4166. }
  4167. }
  4168. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4169. " Port %d\n",
  4170. params->port);
  4171. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4172. return -EINVAL;
  4173. }
  4174. static void bnx2x_set_swap_lanes(struct link_params *params,
  4175. struct bnx2x_phy *phy)
  4176. {
  4177. struct bnx2x *bp = params->bp;
  4178. /*
  4179. * Each two bits represents a lane number:
  4180. * No swap is 0123 => 0x1b no need to enable the swap
  4181. */
  4182. u16 rx_lane_swap, tx_lane_swap;
  4183. rx_lane_swap = ((params->lane_config &
  4184. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4185. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4186. tx_lane_swap = ((params->lane_config &
  4187. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4188. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4189. if (rx_lane_swap != 0x1b) {
  4190. CL22_WR_OVER_CL45(bp, phy,
  4191. MDIO_REG_BANK_XGXS_BLOCK2,
  4192. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4193. (rx_lane_swap |
  4194. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4195. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4196. } else {
  4197. CL22_WR_OVER_CL45(bp, phy,
  4198. MDIO_REG_BANK_XGXS_BLOCK2,
  4199. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4200. }
  4201. if (tx_lane_swap != 0x1b) {
  4202. CL22_WR_OVER_CL45(bp, phy,
  4203. MDIO_REG_BANK_XGXS_BLOCK2,
  4204. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4205. (tx_lane_swap |
  4206. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4207. } else {
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_XGXS_BLOCK2,
  4210. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4211. }
  4212. }
  4213. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4214. struct link_params *params)
  4215. {
  4216. struct bnx2x *bp = params->bp;
  4217. u16 control2;
  4218. CL22_RD_OVER_CL45(bp, phy,
  4219. MDIO_REG_BANK_SERDES_DIGITAL,
  4220. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4221. &control2);
  4222. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4223. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4224. else
  4225. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4226. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4227. phy->speed_cap_mask, control2);
  4228. CL22_WR_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_SERDES_DIGITAL,
  4230. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4231. control2);
  4232. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4233. (phy->speed_cap_mask &
  4234. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4235. DP(NETIF_MSG_LINK, "XGXS\n");
  4236. CL22_WR_OVER_CL45(bp, phy,
  4237. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4238. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4239. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4240. CL22_RD_OVER_CL45(bp, phy,
  4241. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4242. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4243. &control2);
  4244. control2 |=
  4245. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4246. CL22_WR_OVER_CL45(bp, phy,
  4247. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4248. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4249. control2);
  4250. /* Disable parallel detection of HiG */
  4251. CL22_WR_OVER_CL45(bp, phy,
  4252. MDIO_REG_BANK_XGXS_BLOCK2,
  4253. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4254. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4255. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4256. }
  4257. }
  4258. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4259. struct link_params *params,
  4260. struct link_vars *vars,
  4261. u8 enable_cl73)
  4262. {
  4263. struct bnx2x *bp = params->bp;
  4264. u16 reg_val;
  4265. /* CL37 Autoneg */
  4266. CL22_RD_OVER_CL45(bp, phy,
  4267. MDIO_REG_BANK_COMBO_IEEE0,
  4268. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4269. /* CL37 Autoneg Enabled */
  4270. if (vars->line_speed == SPEED_AUTO_NEG)
  4271. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4272. else /* CL37 Autoneg Disabled */
  4273. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4274. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4275. CL22_WR_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_COMBO_IEEE0,
  4277. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4278. /* Enable/Disable Autodetection */
  4279. CL22_RD_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_SERDES_DIGITAL,
  4281. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4282. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4283. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4284. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4285. if (vars->line_speed == SPEED_AUTO_NEG)
  4286. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4287. else
  4288. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4289. CL22_WR_OVER_CL45(bp, phy,
  4290. MDIO_REG_BANK_SERDES_DIGITAL,
  4291. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4292. /* Enable TetonII and BAM autoneg */
  4293. CL22_RD_OVER_CL45(bp, phy,
  4294. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4295. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4296. &reg_val);
  4297. if (vars->line_speed == SPEED_AUTO_NEG) {
  4298. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4299. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4300. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4301. } else {
  4302. /* TetonII and BAM Autoneg Disabled */
  4303. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4304. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4305. }
  4306. CL22_WR_OVER_CL45(bp, phy,
  4307. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4308. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4309. reg_val);
  4310. if (enable_cl73) {
  4311. /* Enable Cl73 FSM status bits */
  4312. CL22_WR_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_CL73_USERB0,
  4314. MDIO_CL73_USERB0_CL73_UCTRL,
  4315. 0xe);
  4316. /* Enable BAM Station Manager*/
  4317. CL22_WR_OVER_CL45(bp, phy,
  4318. MDIO_REG_BANK_CL73_USERB0,
  4319. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4320. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4321. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4322. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4323. /* Advertise CL73 link speeds */
  4324. CL22_RD_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_CL73_IEEEB1,
  4326. MDIO_CL73_IEEEB1_AN_ADV2,
  4327. &reg_val);
  4328. if (phy->speed_cap_mask &
  4329. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4330. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4331. if (phy->speed_cap_mask &
  4332. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4333. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4334. CL22_WR_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_CL73_IEEEB1,
  4336. MDIO_CL73_IEEEB1_AN_ADV2,
  4337. reg_val);
  4338. /* CL73 Autoneg Enabled */
  4339. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4340. } else /* CL73 Autoneg Disabled */
  4341. reg_val = 0;
  4342. CL22_WR_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_CL73_IEEEB0,
  4344. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4345. }
  4346. /* program SerDes, forced speed */
  4347. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4348. struct link_params *params,
  4349. struct link_vars *vars)
  4350. {
  4351. struct bnx2x *bp = params->bp;
  4352. u16 reg_val;
  4353. /* program duplex, disable autoneg and sgmii*/
  4354. CL22_RD_OVER_CL45(bp, phy,
  4355. MDIO_REG_BANK_COMBO_IEEE0,
  4356. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4357. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4358. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4359. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4360. if (phy->req_duplex == DUPLEX_FULL)
  4361. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4362. CL22_WR_OVER_CL45(bp, phy,
  4363. MDIO_REG_BANK_COMBO_IEEE0,
  4364. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4365. /*
  4366. * program speed
  4367. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4368. */
  4369. CL22_RD_OVER_CL45(bp, phy,
  4370. MDIO_REG_BANK_SERDES_DIGITAL,
  4371. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4372. /* clearing the speed value before setting the right speed */
  4373. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4374. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4375. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4376. if (!((vars->line_speed == SPEED_1000) ||
  4377. (vars->line_speed == SPEED_100) ||
  4378. (vars->line_speed == SPEED_10))) {
  4379. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4380. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4381. if (vars->line_speed == SPEED_10000)
  4382. reg_val |=
  4383. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4384. }
  4385. CL22_WR_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_SERDES_DIGITAL,
  4387. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4388. }
  4389. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4390. struct link_params *params)
  4391. {
  4392. struct bnx2x *bp = params->bp;
  4393. u16 val = 0;
  4394. /* configure the 48 bits for BAM AN */
  4395. /* set extended capabilities */
  4396. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4397. val |= MDIO_OVER_1G_UP1_2_5G;
  4398. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4399. val |= MDIO_OVER_1G_UP1_10G;
  4400. CL22_WR_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_OVER_1G,
  4402. MDIO_OVER_1G_UP1, val);
  4403. CL22_WR_OVER_CL45(bp, phy,
  4404. MDIO_REG_BANK_OVER_1G,
  4405. MDIO_OVER_1G_UP3, 0x400);
  4406. }
  4407. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4408. struct link_params *params,
  4409. u16 ieee_fc)
  4410. {
  4411. struct bnx2x *bp = params->bp;
  4412. u16 val;
  4413. /* for AN, we are always publishing full duplex */
  4414. CL22_WR_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_COMBO_IEEE0,
  4416. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4417. CL22_RD_OVER_CL45(bp, phy,
  4418. MDIO_REG_BANK_CL73_IEEEB1,
  4419. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4420. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4421. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4422. CL22_WR_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_CL73_IEEEB1,
  4424. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4425. }
  4426. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4427. struct link_params *params,
  4428. u8 enable_cl73)
  4429. {
  4430. struct bnx2x *bp = params->bp;
  4431. u16 mii_control;
  4432. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4433. /* Enable and restart BAM/CL37 aneg */
  4434. if (enable_cl73) {
  4435. CL22_RD_OVER_CL45(bp, phy,
  4436. MDIO_REG_BANK_CL73_IEEEB0,
  4437. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4438. &mii_control);
  4439. CL22_WR_OVER_CL45(bp, phy,
  4440. MDIO_REG_BANK_CL73_IEEEB0,
  4441. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4442. (mii_control |
  4443. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4444. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4445. } else {
  4446. CL22_RD_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_COMBO_IEEE0,
  4448. MDIO_COMBO_IEEE0_MII_CONTROL,
  4449. &mii_control);
  4450. DP(NETIF_MSG_LINK,
  4451. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4452. mii_control);
  4453. CL22_WR_OVER_CL45(bp, phy,
  4454. MDIO_REG_BANK_COMBO_IEEE0,
  4455. MDIO_COMBO_IEEE0_MII_CONTROL,
  4456. (mii_control |
  4457. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4458. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4459. }
  4460. }
  4461. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4462. struct link_params *params,
  4463. struct link_vars *vars)
  4464. {
  4465. struct bnx2x *bp = params->bp;
  4466. u16 control1;
  4467. /* in SGMII mode, the unicore is always slave */
  4468. CL22_RD_OVER_CL45(bp, phy,
  4469. MDIO_REG_BANK_SERDES_DIGITAL,
  4470. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4471. &control1);
  4472. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4473. /* set sgmii mode (and not fiber) */
  4474. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4475. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4476. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_SERDES_DIGITAL,
  4479. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4480. control1);
  4481. /* if forced speed */
  4482. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4483. /* set speed, disable autoneg */
  4484. u16 mii_control;
  4485. CL22_RD_OVER_CL45(bp, phy,
  4486. MDIO_REG_BANK_COMBO_IEEE0,
  4487. MDIO_COMBO_IEEE0_MII_CONTROL,
  4488. &mii_control);
  4489. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4490. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4491. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4492. switch (vars->line_speed) {
  4493. case SPEED_100:
  4494. mii_control |=
  4495. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4496. break;
  4497. case SPEED_1000:
  4498. mii_control |=
  4499. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4500. break;
  4501. case SPEED_10:
  4502. /* there is nothing to set for 10M */
  4503. break;
  4504. default:
  4505. /* invalid speed for SGMII */
  4506. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4507. vars->line_speed);
  4508. break;
  4509. }
  4510. /* setting the full duplex */
  4511. if (phy->req_duplex == DUPLEX_FULL)
  4512. mii_control |=
  4513. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4514. CL22_WR_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_COMBO_IEEE0,
  4516. MDIO_COMBO_IEEE0_MII_CONTROL,
  4517. mii_control);
  4518. } else { /* AN mode */
  4519. /* enable and restart AN */
  4520. bnx2x_restart_autoneg(phy, params, 0);
  4521. }
  4522. }
  4523. /*
  4524. * link management
  4525. */
  4526. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4527. struct link_params *params)
  4528. {
  4529. struct bnx2x *bp = params->bp;
  4530. u16 pd_10g, status2_1000x;
  4531. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4532. return 0;
  4533. CL22_RD_OVER_CL45(bp, phy,
  4534. MDIO_REG_BANK_SERDES_DIGITAL,
  4535. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4536. &status2_1000x);
  4537. CL22_RD_OVER_CL45(bp, phy,
  4538. MDIO_REG_BANK_SERDES_DIGITAL,
  4539. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4540. &status2_1000x);
  4541. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4542. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4543. params->port);
  4544. return 1;
  4545. }
  4546. CL22_RD_OVER_CL45(bp, phy,
  4547. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4548. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4549. &pd_10g);
  4550. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4551. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4552. params->port);
  4553. return 1;
  4554. }
  4555. return 0;
  4556. }
  4557. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4558. struct link_params *params,
  4559. struct link_vars *vars,
  4560. u32 gp_status)
  4561. {
  4562. struct bnx2x *bp = params->bp;
  4563. u16 ld_pause; /* local driver */
  4564. u16 lp_pause; /* link partner */
  4565. u16 pause_result;
  4566. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4567. /* resolve from gp_status in case of AN complete and not sgmii */
  4568. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4569. vars->flow_ctrl = phy->req_flow_ctrl;
  4570. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4571. vars->flow_ctrl = params->req_fc_auto_adv;
  4572. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4573. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4574. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4575. vars->flow_ctrl = params->req_fc_auto_adv;
  4576. return;
  4577. }
  4578. if ((gp_status &
  4579. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4580. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4581. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4582. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4583. CL22_RD_OVER_CL45(bp, phy,
  4584. MDIO_REG_BANK_CL73_IEEEB1,
  4585. MDIO_CL73_IEEEB1_AN_ADV1,
  4586. &ld_pause);
  4587. CL22_RD_OVER_CL45(bp, phy,
  4588. MDIO_REG_BANK_CL73_IEEEB1,
  4589. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4590. &lp_pause);
  4591. pause_result = (ld_pause &
  4592. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4593. >> 8;
  4594. pause_result |= (lp_pause &
  4595. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4596. >> 10;
  4597. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4598. pause_result);
  4599. } else {
  4600. CL22_RD_OVER_CL45(bp, phy,
  4601. MDIO_REG_BANK_COMBO_IEEE0,
  4602. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4603. &ld_pause);
  4604. CL22_RD_OVER_CL45(bp, phy,
  4605. MDIO_REG_BANK_COMBO_IEEE0,
  4606. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4607. &lp_pause);
  4608. pause_result = (ld_pause &
  4609. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4610. pause_result |= (lp_pause &
  4611. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4612. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4613. pause_result);
  4614. }
  4615. bnx2x_pause_resolve(vars, pause_result);
  4616. }
  4617. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4618. }
  4619. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4620. struct link_params *params)
  4621. {
  4622. struct bnx2x *bp = params->bp;
  4623. u16 rx_status, ustat_val, cl37_fsm_received;
  4624. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4625. /* Step 1: Make sure signal is detected */
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_RX0,
  4628. MDIO_RX0_RX_STATUS,
  4629. &rx_status);
  4630. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4631. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4632. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4633. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4634. CL22_WR_OVER_CL45(bp, phy,
  4635. MDIO_REG_BANK_CL73_IEEEB0,
  4636. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4637. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4638. return;
  4639. }
  4640. /* Step 2: Check CL73 state machine */
  4641. CL22_RD_OVER_CL45(bp, phy,
  4642. MDIO_REG_BANK_CL73_USERB0,
  4643. MDIO_CL73_USERB0_CL73_USTAT1,
  4644. &ustat_val);
  4645. if ((ustat_val &
  4646. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4647. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4648. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4649. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4650. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4651. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4652. return;
  4653. }
  4654. /*
  4655. * Step 3: Check CL37 Message Pages received to indicate LP
  4656. * supports only CL37
  4657. */
  4658. CL22_RD_OVER_CL45(bp, phy,
  4659. MDIO_REG_BANK_REMOTE_PHY,
  4660. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4661. &cl37_fsm_received);
  4662. if ((cl37_fsm_received &
  4663. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4664. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4665. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4666. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4667. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4668. "misc_rx_status(0x8330) = 0x%x\n",
  4669. cl37_fsm_received);
  4670. return;
  4671. }
  4672. /*
  4673. * The combined cl37/cl73 fsm state information indicating that
  4674. * we are connected to a device which does not support cl73, but
  4675. * does support cl37 BAM. In this case we disable cl73 and
  4676. * restart cl37 auto-neg
  4677. */
  4678. /* Disable CL73 */
  4679. CL22_WR_OVER_CL45(bp, phy,
  4680. MDIO_REG_BANK_CL73_IEEEB0,
  4681. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4682. 0);
  4683. /* Restart CL37 autoneg */
  4684. bnx2x_restart_autoneg(phy, params, 0);
  4685. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4686. }
  4687. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4688. struct link_params *params,
  4689. struct link_vars *vars,
  4690. u32 gp_status)
  4691. {
  4692. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4693. vars->link_status |=
  4694. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4695. if (bnx2x_direct_parallel_detect_used(phy, params))
  4696. vars->link_status |=
  4697. LINK_STATUS_PARALLEL_DETECTION_USED;
  4698. }
  4699. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4700. struct link_params *params,
  4701. struct link_vars *vars,
  4702. u16 is_link_up,
  4703. u16 speed_mask,
  4704. u16 is_duplex)
  4705. {
  4706. struct bnx2x *bp = params->bp;
  4707. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4708. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4709. if (is_link_up) {
  4710. DP(NETIF_MSG_LINK, "phy link up\n");
  4711. vars->phy_link_up = 1;
  4712. vars->link_status |= LINK_STATUS_LINK_UP;
  4713. switch (speed_mask) {
  4714. case GP_STATUS_10M:
  4715. vars->line_speed = SPEED_10;
  4716. if (vars->duplex == DUPLEX_FULL)
  4717. vars->link_status |= LINK_10TFD;
  4718. else
  4719. vars->link_status |= LINK_10THD;
  4720. break;
  4721. case GP_STATUS_100M:
  4722. vars->line_speed = SPEED_100;
  4723. if (vars->duplex == DUPLEX_FULL)
  4724. vars->link_status |= LINK_100TXFD;
  4725. else
  4726. vars->link_status |= LINK_100TXHD;
  4727. break;
  4728. case GP_STATUS_1G:
  4729. case GP_STATUS_1G_KX:
  4730. vars->line_speed = SPEED_1000;
  4731. if (vars->duplex == DUPLEX_FULL)
  4732. vars->link_status |= LINK_1000TFD;
  4733. else
  4734. vars->link_status |= LINK_1000THD;
  4735. break;
  4736. case GP_STATUS_2_5G:
  4737. vars->line_speed = SPEED_2500;
  4738. if (vars->duplex == DUPLEX_FULL)
  4739. vars->link_status |= LINK_2500TFD;
  4740. else
  4741. vars->link_status |= LINK_2500THD;
  4742. break;
  4743. case GP_STATUS_5G:
  4744. case GP_STATUS_6G:
  4745. DP(NETIF_MSG_LINK,
  4746. "link speed unsupported gp_status 0x%x\n",
  4747. speed_mask);
  4748. return -EINVAL;
  4749. case GP_STATUS_10G_KX4:
  4750. case GP_STATUS_10G_HIG:
  4751. case GP_STATUS_10G_CX4:
  4752. case GP_STATUS_10G_KR:
  4753. case GP_STATUS_10G_SFI:
  4754. case GP_STATUS_10G_XFI:
  4755. vars->line_speed = SPEED_10000;
  4756. vars->link_status |= LINK_10GTFD;
  4757. break;
  4758. case GP_STATUS_20G_DXGXS:
  4759. vars->line_speed = SPEED_20000;
  4760. vars->link_status |= LINK_20GTFD;
  4761. break;
  4762. default:
  4763. DP(NETIF_MSG_LINK,
  4764. "link speed unsupported gp_status 0x%x\n",
  4765. speed_mask);
  4766. return -EINVAL;
  4767. }
  4768. } else { /* link_down */
  4769. DP(NETIF_MSG_LINK, "phy link down\n");
  4770. vars->phy_link_up = 0;
  4771. vars->duplex = DUPLEX_FULL;
  4772. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4773. vars->mac_type = MAC_TYPE_NONE;
  4774. }
  4775. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4776. vars->phy_link_up, vars->line_speed);
  4777. return 0;
  4778. }
  4779. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4780. struct link_params *params,
  4781. struct link_vars *vars)
  4782. {
  4783. struct bnx2x *bp = params->bp;
  4784. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4785. int rc = 0;
  4786. /* Read gp_status */
  4787. CL22_RD_OVER_CL45(bp, phy,
  4788. MDIO_REG_BANK_GP_STATUS,
  4789. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4790. &gp_status);
  4791. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4792. duplex = DUPLEX_FULL;
  4793. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4794. link_up = 1;
  4795. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4796. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4797. gp_status, link_up, speed_mask);
  4798. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4799. duplex);
  4800. if (rc == -EINVAL)
  4801. return rc;
  4802. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4803. if (SINGLE_MEDIA_DIRECT(params)) {
  4804. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4805. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4806. bnx2x_xgxs_an_resolve(phy, params, vars,
  4807. gp_status);
  4808. }
  4809. } else { /* link_down */
  4810. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4811. SINGLE_MEDIA_DIRECT(params)) {
  4812. /* Check signal is detected */
  4813. bnx2x_check_fallback_to_cl37(phy, params);
  4814. }
  4815. }
  4816. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4817. vars->duplex, vars->flow_ctrl, vars->link_status);
  4818. return rc;
  4819. }
  4820. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4821. struct link_params *params,
  4822. struct link_vars *vars)
  4823. {
  4824. struct bnx2x *bp = params->bp;
  4825. u8 lane;
  4826. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4827. int rc = 0;
  4828. lane = bnx2x_get_warpcore_lane(phy, params);
  4829. /* Read gp_status */
  4830. if (phy->req_line_speed > SPEED_10000) {
  4831. u16 temp_link_up;
  4832. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4833. 1, &temp_link_up);
  4834. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4835. 1, &link_up);
  4836. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4837. temp_link_up, link_up);
  4838. link_up &= (1<<2);
  4839. if (link_up)
  4840. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4841. } else {
  4842. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4843. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4844. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4845. /* Check for either KR or generic link up. */
  4846. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4847. ((gp_status1 >> 12) & 0xf);
  4848. link_up = gp_status1 & (1 << lane);
  4849. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4850. u16 pd, gp_status4;
  4851. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4852. /* Check Autoneg complete */
  4853. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4854. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4855. &gp_status4);
  4856. if (gp_status4 & ((1<<12)<<lane))
  4857. vars->link_status |=
  4858. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4859. /* Check parallel detect used */
  4860. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4861. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4862. &pd);
  4863. if (pd & (1<<15))
  4864. vars->link_status |=
  4865. LINK_STATUS_PARALLEL_DETECTION_USED;
  4866. }
  4867. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4868. }
  4869. }
  4870. if (lane < 2) {
  4871. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4872. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4873. } else {
  4874. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4875. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4876. }
  4877. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4878. if ((lane & 1) == 0)
  4879. gp_speed <<= 8;
  4880. gp_speed &= 0x3f00;
  4881. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4882. duplex);
  4883. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4884. vars->duplex, vars->flow_ctrl, vars->link_status);
  4885. return rc;
  4886. }
  4887. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4888. {
  4889. struct bnx2x *bp = params->bp;
  4890. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4891. u16 lp_up2;
  4892. u16 tx_driver;
  4893. u16 bank;
  4894. /* read precomp */
  4895. CL22_RD_OVER_CL45(bp, phy,
  4896. MDIO_REG_BANK_OVER_1G,
  4897. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4898. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4899. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4900. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4901. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4902. if (lp_up2 == 0)
  4903. return;
  4904. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4905. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4906. CL22_RD_OVER_CL45(bp, phy,
  4907. bank,
  4908. MDIO_TX0_TX_DRIVER, &tx_driver);
  4909. /* replace tx_driver bits [15:12] */
  4910. if (lp_up2 !=
  4911. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4912. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4913. tx_driver |= lp_up2;
  4914. CL22_WR_OVER_CL45(bp, phy,
  4915. bank,
  4916. MDIO_TX0_TX_DRIVER, tx_driver);
  4917. }
  4918. }
  4919. }
  4920. static int bnx2x_emac_program(struct link_params *params,
  4921. struct link_vars *vars)
  4922. {
  4923. struct bnx2x *bp = params->bp;
  4924. u8 port = params->port;
  4925. u16 mode = 0;
  4926. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4927. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4928. EMAC_REG_EMAC_MODE,
  4929. (EMAC_MODE_25G_MODE |
  4930. EMAC_MODE_PORT_MII_10M |
  4931. EMAC_MODE_HALF_DUPLEX));
  4932. switch (vars->line_speed) {
  4933. case SPEED_10:
  4934. mode |= EMAC_MODE_PORT_MII_10M;
  4935. break;
  4936. case SPEED_100:
  4937. mode |= EMAC_MODE_PORT_MII;
  4938. break;
  4939. case SPEED_1000:
  4940. mode |= EMAC_MODE_PORT_GMII;
  4941. break;
  4942. case SPEED_2500:
  4943. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4944. break;
  4945. default:
  4946. /* 10G not valid for EMAC */
  4947. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4948. vars->line_speed);
  4949. return -EINVAL;
  4950. }
  4951. if (vars->duplex == DUPLEX_HALF)
  4952. mode |= EMAC_MODE_HALF_DUPLEX;
  4953. bnx2x_bits_en(bp,
  4954. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4955. mode);
  4956. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4957. return 0;
  4958. }
  4959. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4960. struct link_params *params)
  4961. {
  4962. u16 bank, i = 0;
  4963. struct bnx2x *bp = params->bp;
  4964. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4965. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4966. CL22_WR_OVER_CL45(bp, phy,
  4967. bank,
  4968. MDIO_RX0_RX_EQ_BOOST,
  4969. phy->rx_preemphasis[i]);
  4970. }
  4971. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4972. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4973. CL22_WR_OVER_CL45(bp, phy,
  4974. bank,
  4975. MDIO_TX0_TX_DRIVER,
  4976. phy->tx_preemphasis[i]);
  4977. }
  4978. }
  4979. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4980. struct link_params *params,
  4981. struct link_vars *vars)
  4982. {
  4983. struct bnx2x *bp = params->bp;
  4984. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4985. (params->loopback_mode == LOOPBACK_XGXS));
  4986. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4987. if (SINGLE_MEDIA_DIRECT(params) &&
  4988. (params->feature_config_flags &
  4989. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4990. bnx2x_set_preemphasis(phy, params);
  4991. /* forced speed requested? */
  4992. if (vars->line_speed != SPEED_AUTO_NEG ||
  4993. (SINGLE_MEDIA_DIRECT(params) &&
  4994. params->loopback_mode == LOOPBACK_EXT)) {
  4995. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4996. /* disable autoneg */
  4997. bnx2x_set_autoneg(phy, params, vars, 0);
  4998. /* program speed and duplex */
  4999. bnx2x_program_serdes(phy, params, vars);
  5000. } else { /* AN_mode */
  5001. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5002. /* AN enabled */
  5003. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5004. /* program duplex & pause advertisement (for aneg) */
  5005. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5006. vars->ieee_fc);
  5007. /* enable autoneg */
  5008. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5009. /* enable and restart AN */
  5010. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5011. }
  5012. } else { /* SGMII mode */
  5013. DP(NETIF_MSG_LINK, "SGMII\n");
  5014. bnx2x_initialize_sgmii_process(phy, params, vars);
  5015. }
  5016. }
  5017. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5018. struct link_params *params,
  5019. struct link_vars *vars)
  5020. {
  5021. int rc;
  5022. vars->phy_flags |= PHY_XGXS_FLAG;
  5023. if ((phy->req_line_speed &&
  5024. ((phy->req_line_speed == SPEED_100) ||
  5025. (phy->req_line_speed == SPEED_10))) ||
  5026. (!phy->req_line_speed &&
  5027. (phy->speed_cap_mask >=
  5028. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5029. (phy->speed_cap_mask <
  5030. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5031. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5032. vars->phy_flags |= PHY_SGMII_FLAG;
  5033. else
  5034. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5035. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5036. bnx2x_set_aer_mmd(params, phy);
  5037. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5038. bnx2x_set_master_ln(params, phy);
  5039. rc = bnx2x_reset_unicore(params, phy, 0);
  5040. /* reset the SerDes and wait for reset bit return low */
  5041. if (rc != 0)
  5042. return rc;
  5043. bnx2x_set_aer_mmd(params, phy);
  5044. /* setting the masterLn_def again after the reset */
  5045. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5046. bnx2x_set_master_ln(params, phy);
  5047. bnx2x_set_swap_lanes(params, phy);
  5048. }
  5049. return rc;
  5050. }
  5051. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5052. struct bnx2x_phy *phy,
  5053. struct link_params *params)
  5054. {
  5055. u16 cnt, ctrl;
  5056. /* Wait for soft reset to get cleared up to 1 sec */
  5057. for (cnt = 0; cnt < 1000; cnt++) {
  5058. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5059. bnx2x_cl22_read(bp, phy,
  5060. MDIO_PMA_REG_CTRL, &ctrl);
  5061. else
  5062. bnx2x_cl45_read(bp, phy,
  5063. MDIO_PMA_DEVAD,
  5064. MDIO_PMA_REG_CTRL, &ctrl);
  5065. if (!(ctrl & (1<<15)))
  5066. break;
  5067. msleep(1);
  5068. }
  5069. if (cnt == 1000)
  5070. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5071. " Port %d\n",
  5072. params->port);
  5073. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5074. return cnt;
  5075. }
  5076. static void bnx2x_link_int_enable(struct link_params *params)
  5077. {
  5078. u8 port = params->port;
  5079. u32 mask;
  5080. struct bnx2x *bp = params->bp;
  5081. /* Setting the status to report on link up for either XGXS or SerDes */
  5082. if (CHIP_IS_E3(bp)) {
  5083. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5084. if (!(SINGLE_MEDIA_DIRECT(params)))
  5085. mask |= NIG_MASK_MI_INT;
  5086. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5087. mask = (NIG_MASK_XGXS0_LINK10G |
  5088. NIG_MASK_XGXS0_LINK_STATUS);
  5089. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5090. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5091. params->phy[INT_PHY].type !=
  5092. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5093. mask |= NIG_MASK_MI_INT;
  5094. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5095. }
  5096. } else { /* SerDes */
  5097. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5098. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5099. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5100. params->phy[INT_PHY].type !=
  5101. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5102. mask |= NIG_MASK_MI_INT;
  5103. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5104. }
  5105. }
  5106. bnx2x_bits_en(bp,
  5107. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5108. mask);
  5109. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5110. (params->switch_cfg == SWITCH_CFG_10G),
  5111. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5112. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5113. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5114. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5115. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5116. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5117. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5118. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5119. }
  5120. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5121. u8 exp_mi_int)
  5122. {
  5123. u32 latch_status = 0;
  5124. /*
  5125. * Disable the MI INT ( external phy int ) by writing 1 to the
  5126. * status register. Link down indication is high-active-signal,
  5127. * so in this case we need to write the status to clear the XOR
  5128. */
  5129. /* Read Latched signals */
  5130. latch_status = REG_RD(bp,
  5131. NIG_REG_LATCH_STATUS_0 + port*8);
  5132. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5133. /* Handle only those with latched-signal=up.*/
  5134. if (exp_mi_int)
  5135. bnx2x_bits_en(bp,
  5136. NIG_REG_STATUS_INTERRUPT_PORT0
  5137. + port*4,
  5138. NIG_STATUS_EMAC0_MI_INT);
  5139. else
  5140. bnx2x_bits_dis(bp,
  5141. NIG_REG_STATUS_INTERRUPT_PORT0
  5142. + port*4,
  5143. NIG_STATUS_EMAC0_MI_INT);
  5144. if (latch_status & 1) {
  5145. /* For all latched-signal=up : Re-Arm Latch signals */
  5146. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5147. (latch_status & 0xfffe) | (latch_status & 1));
  5148. }
  5149. /* For all latched-signal=up,Write original_signal to status */
  5150. }
  5151. static void bnx2x_link_int_ack(struct link_params *params,
  5152. struct link_vars *vars, u8 is_10g_plus)
  5153. {
  5154. struct bnx2x *bp = params->bp;
  5155. u8 port = params->port;
  5156. u32 mask;
  5157. /*
  5158. * First reset all status we assume only one line will be
  5159. * change at a time
  5160. */
  5161. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5162. (NIG_STATUS_XGXS0_LINK10G |
  5163. NIG_STATUS_XGXS0_LINK_STATUS |
  5164. NIG_STATUS_SERDES0_LINK_STATUS));
  5165. if (vars->phy_link_up) {
  5166. if (USES_WARPCORE(bp))
  5167. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5168. else {
  5169. if (is_10g_plus)
  5170. mask = NIG_STATUS_XGXS0_LINK10G;
  5171. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5172. /*
  5173. * Disable the link interrupt by writing 1 to
  5174. * the relevant lane in the status register
  5175. */
  5176. u32 ser_lane =
  5177. ((params->lane_config &
  5178. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5179. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5180. mask = ((1 << ser_lane) <<
  5181. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5182. } else
  5183. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5184. }
  5185. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5186. mask);
  5187. bnx2x_bits_en(bp,
  5188. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5189. mask);
  5190. }
  5191. }
  5192. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5193. {
  5194. u8 *str_ptr = str;
  5195. u32 mask = 0xf0000000;
  5196. u8 shift = 8*4;
  5197. u8 digit;
  5198. u8 remove_leading_zeros = 1;
  5199. if (*len < 10) {
  5200. /* Need more than 10chars for this format */
  5201. *str_ptr = '\0';
  5202. (*len)--;
  5203. return -EINVAL;
  5204. }
  5205. while (shift > 0) {
  5206. shift -= 4;
  5207. digit = ((num & mask) >> shift);
  5208. if (digit == 0 && remove_leading_zeros) {
  5209. mask = mask >> 4;
  5210. continue;
  5211. } else if (digit < 0xa)
  5212. *str_ptr = digit + '0';
  5213. else
  5214. *str_ptr = digit - 0xa + 'a';
  5215. remove_leading_zeros = 0;
  5216. str_ptr++;
  5217. (*len)--;
  5218. mask = mask >> 4;
  5219. if (shift == 4*4) {
  5220. *str_ptr = '.';
  5221. str_ptr++;
  5222. (*len)--;
  5223. remove_leading_zeros = 1;
  5224. }
  5225. }
  5226. return 0;
  5227. }
  5228. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5229. {
  5230. str[0] = '\0';
  5231. (*len)--;
  5232. return 0;
  5233. }
  5234. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5235. u8 *version, u16 len)
  5236. {
  5237. struct bnx2x *bp;
  5238. u32 spirom_ver = 0;
  5239. int status = 0;
  5240. u8 *ver_p = version;
  5241. u16 remain_len = len;
  5242. if (version == NULL || params == NULL)
  5243. return -EINVAL;
  5244. bp = params->bp;
  5245. /* Extract first external phy*/
  5246. version[0] = '\0';
  5247. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5248. if (params->phy[EXT_PHY1].format_fw_ver) {
  5249. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5250. ver_p,
  5251. &remain_len);
  5252. ver_p += (len - remain_len);
  5253. }
  5254. if ((params->num_phys == MAX_PHYS) &&
  5255. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5256. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5257. if (params->phy[EXT_PHY2].format_fw_ver) {
  5258. *ver_p = '/';
  5259. ver_p++;
  5260. remain_len--;
  5261. status |= params->phy[EXT_PHY2].format_fw_ver(
  5262. spirom_ver,
  5263. ver_p,
  5264. &remain_len);
  5265. ver_p = version + (len - remain_len);
  5266. }
  5267. }
  5268. *ver_p = '\0';
  5269. return status;
  5270. }
  5271. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5272. struct link_params *params)
  5273. {
  5274. u8 port = params->port;
  5275. struct bnx2x *bp = params->bp;
  5276. if (phy->req_line_speed != SPEED_1000) {
  5277. u32 md_devad = 0;
  5278. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5279. if (!CHIP_IS_E3(bp)) {
  5280. /* change the uni_phy_addr in the nig */
  5281. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5282. port*0x18));
  5283. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5284. 0x5);
  5285. }
  5286. bnx2x_cl45_write(bp, phy,
  5287. 5,
  5288. (MDIO_REG_BANK_AER_BLOCK +
  5289. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5290. 0x2800);
  5291. bnx2x_cl45_write(bp, phy,
  5292. 5,
  5293. (MDIO_REG_BANK_CL73_IEEEB0 +
  5294. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5295. 0x6041);
  5296. msleep(200);
  5297. /* set aer mmd back */
  5298. bnx2x_set_aer_mmd(params, phy);
  5299. if (!CHIP_IS_E3(bp)) {
  5300. /* and md_devad */
  5301. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5302. md_devad);
  5303. }
  5304. } else {
  5305. u16 mii_ctrl;
  5306. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5307. bnx2x_cl45_read(bp, phy, 5,
  5308. (MDIO_REG_BANK_COMBO_IEEE0 +
  5309. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5310. &mii_ctrl);
  5311. bnx2x_cl45_write(bp, phy, 5,
  5312. (MDIO_REG_BANK_COMBO_IEEE0 +
  5313. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5314. mii_ctrl |
  5315. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5316. }
  5317. }
  5318. int bnx2x_set_led(struct link_params *params,
  5319. struct link_vars *vars, u8 mode, u32 speed)
  5320. {
  5321. u8 port = params->port;
  5322. u16 hw_led_mode = params->hw_led_mode;
  5323. int rc = 0;
  5324. u8 phy_idx;
  5325. u32 tmp;
  5326. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5327. struct bnx2x *bp = params->bp;
  5328. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5329. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5330. speed, hw_led_mode);
  5331. /* In case */
  5332. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5333. if (params->phy[phy_idx].set_link_led) {
  5334. params->phy[phy_idx].set_link_led(
  5335. &params->phy[phy_idx], params, mode);
  5336. }
  5337. }
  5338. switch (mode) {
  5339. case LED_MODE_FRONT_PANEL_OFF:
  5340. case LED_MODE_OFF:
  5341. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5342. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5343. SHARED_HW_CFG_LED_MAC1);
  5344. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5345. if (params->phy[EXT_PHY1].type ==
  5346. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5347. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5348. else {
  5349. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5350. (tmp | EMAC_LED_OVERRIDE));
  5351. }
  5352. break;
  5353. case LED_MODE_OPER:
  5354. /*
  5355. * For all other phys, OPER mode is same as ON, so in case
  5356. * link is down, do nothing
  5357. */
  5358. if (!vars->link_up)
  5359. break;
  5360. case LED_MODE_ON:
  5361. if (((params->phy[EXT_PHY1].type ==
  5362. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5363. (params->phy[EXT_PHY1].type ==
  5364. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5365. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5366. /*
  5367. * This is a work-around for E2+8727 Configurations
  5368. */
  5369. if (mode == LED_MODE_ON ||
  5370. speed == SPEED_10000){
  5371. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5372. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5373. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5374. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5375. (tmp | EMAC_LED_OVERRIDE));
  5376. /*
  5377. * return here without enabling traffic
  5378. * LED blink and setting rate in ON mode.
  5379. * In oper mode, enabling LED blink
  5380. * and setting rate is needed.
  5381. */
  5382. if (mode == LED_MODE_ON)
  5383. return rc;
  5384. }
  5385. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5386. /*
  5387. * This is a work-around for HW issue found when link
  5388. * is up in CL73
  5389. */
  5390. if ((!CHIP_IS_E3(bp)) ||
  5391. (CHIP_IS_E3(bp) &&
  5392. mode == LED_MODE_ON))
  5393. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5394. if (CHIP_IS_E1x(bp) ||
  5395. CHIP_IS_E2(bp) ||
  5396. (mode == LED_MODE_ON))
  5397. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5398. else
  5399. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5400. hw_led_mode);
  5401. } else if ((params->phy[EXT_PHY1].type ==
  5402. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5403. (mode != LED_MODE_OPER)) {
  5404. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5405. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5406. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5407. } else
  5408. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5409. hw_led_mode);
  5410. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5411. /* Set blinking rate to ~15.9Hz */
  5412. if (CHIP_IS_E3(bp))
  5413. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5414. LED_BLINK_RATE_VAL_E3);
  5415. else
  5416. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5417. LED_BLINK_RATE_VAL_E1X_E2);
  5418. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5419. port*4, 1);
  5420. if ((params->phy[EXT_PHY1].type !=
  5421. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5422. (mode != LED_MODE_OPER)) {
  5423. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5424. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5425. (tmp & (~EMAC_LED_OVERRIDE)));
  5426. }
  5427. if (CHIP_IS_E1(bp) &&
  5428. ((speed == SPEED_2500) ||
  5429. (speed == SPEED_1000) ||
  5430. (speed == SPEED_100) ||
  5431. (speed == SPEED_10))) {
  5432. /*
  5433. * On Everest 1 Ax chip versions for speeds less than
  5434. * 10G LED scheme is different
  5435. */
  5436. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5437. + port*4, 1);
  5438. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5439. port*4, 0);
  5440. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5441. port*4, 1);
  5442. }
  5443. break;
  5444. default:
  5445. rc = -EINVAL;
  5446. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5447. mode);
  5448. break;
  5449. }
  5450. return rc;
  5451. }
  5452. /*
  5453. * This function comes to reflect the actual link state read DIRECTLY from the
  5454. * HW
  5455. */
  5456. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5457. u8 is_serdes)
  5458. {
  5459. struct bnx2x *bp = params->bp;
  5460. u16 gp_status = 0, phy_index = 0;
  5461. u8 ext_phy_link_up = 0, serdes_phy_type;
  5462. struct link_vars temp_vars;
  5463. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5464. if (CHIP_IS_E3(bp)) {
  5465. u16 link_up;
  5466. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5467. > SPEED_10000) {
  5468. /* Check 20G link */
  5469. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5470. 1, &link_up);
  5471. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5472. 1, &link_up);
  5473. link_up &= (1<<2);
  5474. } else {
  5475. /* Check 10G link and below*/
  5476. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5477. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5478. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5479. &gp_status);
  5480. gp_status = ((gp_status >> 8) & 0xf) |
  5481. ((gp_status >> 12) & 0xf);
  5482. link_up = gp_status & (1 << lane);
  5483. }
  5484. if (!link_up)
  5485. return -ESRCH;
  5486. } else {
  5487. CL22_RD_OVER_CL45(bp, int_phy,
  5488. MDIO_REG_BANK_GP_STATUS,
  5489. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5490. &gp_status);
  5491. /* link is up only if both local phy and external phy are up */
  5492. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5493. return -ESRCH;
  5494. }
  5495. /* In XGXS loopback mode, do not check external PHY */
  5496. if (params->loopback_mode == LOOPBACK_XGXS)
  5497. return 0;
  5498. switch (params->num_phys) {
  5499. case 1:
  5500. /* No external PHY */
  5501. return 0;
  5502. case 2:
  5503. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5504. &params->phy[EXT_PHY1],
  5505. params, &temp_vars);
  5506. break;
  5507. case 3: /* Dual Media */
  5508. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5509. phy_index++) {
  5510. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5511. ETH_PHY_SFP_FIBER) ||
  5512. (params->phy[phy_index].media_type ==
  5513. ETH_PHY_XFP_FIBER) ||
  5514. (params->phy[phy_index].media_type ==
  5515. ETH_PHY_DA_TWINAX));
  5516. if (is_serdes != serdes_phy_type)
  5517. continue;
  5518. if (params->phy[phy_index].read_status) {
  5519. ext_phy_link_up |=
  5520. params->phy[phy_index].read_status(
  5521. &params->phy[phy_index],
  5522. params, &temp_vars);
  5523. }
  5524. }
  5525. break;
  5526. }
  5527. if (ext_phy_link_up)
  5528. return 0;
  5529. return -ESRCH;
  5530. }
  5531. static int bnx2x_link_initialize(struct link_params *params,
  5532. struct link_vars *vars)
  5533. {
  5534. int rc = 0;
  5535. u8 phy_index, non_ext_phy;
  5536. struct bnx2x *bp = params->bp;
  5537. /*
  5538. * In case of external phy existence, the line speed would be the
  5539. * line speed linked up by the external phy. In case it is direct
  5540. * only, then the line_speed during initialization will be
  5541. * equal to the req_line_speed
  5542. */
  5543. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5544. /*
  5545. * Initialize the internal phy in case this is a direct board
  5546. * (no external phys), or this board has external phy which requires
  5547. * to first.
  5548. */
  5549. if (!USES_WARPCORE(bp))
  5550. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5551. /* init ext phy and enable link state int */
  5552. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5553. (params->loopback_mode == LOOPBACK_XGXS));
  5554. if (non_ext_phy ||
  5555. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5556. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5557. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5558. if (vars->line_speed == SPEED_AUTO_NEG &&
  5559. (CHIP_IS_E1x(bp) ||
  5560. CHIP_IS_E2(bp)))
  5561. bnx2x_set_parallel_detection(phy, params);
  5562. if (params->phy[INT_PHY].config_init)
  5563. params->phy[INT_PHY].config_init(phy,
  5564. params,
  5565. vars);
  5566. }
  5567. /* Init external phy*/
  5568. if (non_ext_phy) {
  5569. if (params->phy[INT_PHY].supported &
  5570. SUPPORTED_FIBRE)
  5571. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5572. } else {
  5573. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5574. phy_index++) {
  5575. /*
  5576. * No need to initialize second phy in case of first
  5577. * phy only selection. In case of second phy, we do
  5578. * need to initialize the first phy, since they are
  5579. * connected.
  5580. */
  5581. if (params->phy[phy_index].supported &
  5582. SUPPORTED_FIBRE)
  5583. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5584. if (phy_index == EXT_PHY2 &&
  5585. (bnx2x_phy_selection(params) ==
  5586. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5587. DP(NETIF_MSG_LINK,
  5588. "Not initializing second phy\n");
  5589. continue;
  5590. }
  5591. params->phy[phy_index].config_init(
  5592. &params->phy[phy_index],
  5593. params, vars);
  5594. }
  5595. }
  5596. /* Reset the interrupt indication after phy was initialized */
  5597. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5598. params->port*4,
  5599. (NIG_STATUS_XGXS0_LINK10G |
  5600. NIG_STATUS_XGXS0_LINK_STATUS |
  5601. NIG_STATUS_SERDES0_LINK_STATUS |
  5602. NIG_MASK_MI_INT));
  5603. bnx2x_update_mng(params, vars->link_status);
  5604. return rc;
  5605. }
  5606. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5607. struct link_params *params)
  5608. {
  5609. /* reset the SerDes/XGXS */
  5610. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5611. (0x1ff << (params->port*16)));
  5612. }
  5613. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5614. struct link_params *params)
  5615. {
  5616. struct bnx2x *bp = params->bp;
  5617. u8 gpio_port;
  5618. /* HW reset */
  5619. if (CHIP_IS_E2(bp))
  5620. gpio_port = BP_PATH(bp);
  5621. else
  5622. gpio_port = params->port;
  5623. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5624. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5625. gpio_port);
  5626. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5627. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5628. gpio_port);
  5629. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5630. }
  5631. static int bnx2x_update_link_down(struct link_params *params,
  5632. struct link_vars *vars)
  5633. {
  5634. struct bnx2x *bp = params->bp;
  5635. u8 port = params->port;
  5636. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5637. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5638. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5639. /* indicate no mac active */
  5640. vars->mac_type = MAC_TYPE_NONE;
  5641. /* update shared memory */
  5642. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5643. LINK_STATUS_LINK_UP |
  5644. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5645. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5646. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5647. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5648. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5649. vars->line_speed = 0;
  5650. bnx2x_update_mng(params, vars->link_status);
  5651. /* activate nig drain */
  5652. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5653. /* disable emac */
  5654. if (!CHIP_IS_E3(bp))
  5655. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5656. msleep(10);
  5657. /* reset BigMac/Xmac */
  5658. if (CHIP_IS_E1x(bp) ||
  5659. CHIP_IS_E2(bp)) {
  5660. bnx2x_bmac_rx_disable(bp, params->port);
  5661. REG_WR(bp, GRCBASE_MISC +
  5662. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5663. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5664. }
  5665. if (CHIP_IS_E3(bp)) {
  5666. bnx2x_xmac_disable(params);
  5667. bnx2x_umac_disable(params);
  5668. }
  5669. return 0;
  5670. }
  5671. static int bnx2x_update_link_up(struct link_params *params,
  5672. struct link_vars *vars,
  5673. u8 link_10g)
  5674. {
  5675. struct bnx2x *bp = params->bp;
  5676. u8 port = params->port;
  5677. int rc = 0;
  5678. vars->link_status |= (LINK_STATUS_LINK_UP |
  5679. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5680. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5681. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5682. vars->link_status |=
  5683. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5684. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5685. vars->link_status |=
  5686. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5687. if (USES_WARPCORE(bp)) {
  5688. if (link_10g) {
  5689. if (bnx2x_xmac_enable(params, vars, 0) ==
  5690. -ESRCH) {
  5691. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5692. vars->link_up = 0;
  5693. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5694. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5695. }
  5696. } else
  5697. bnx2x_umac_enable(params, vars, 0);
  5698. bnx2x_set_led(params, vars,
  5699. LED_MODE_OPER, vars->line_speed);
  5700. }
  5701. if ((CHIP_IS_E1x(bp) ||
  5702. CHIP_IS_E2(bp))) {
  5703. if (link_10g) {
  5704. if (bnx2x_bmac_enable(params, vars, 0) ==
  5705. -ESRCH) {
  5706. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5707. vars->link_up = 0;
  5708. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5709. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5710. }
  5711. bnx2x_set_led(params, vars,
  5712. LED_MODE_OPER, SPEED_10000);
  5713. } else {
  5714. rc = bnx2x_emac_program(params, vars);
  5715. bnx2x_emac_enable(params, vars, 0);
  5716. /* AN complete? */
  5717. if ((vars->link_status &
  5718. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5719. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5720. SINGLE_MEDIA_DIRECT(params))
  5721. bnx2x_set_gmii_tx_driver(params);
  5722. }
  5723. }
  5724. /* PBF - link up */
  5725. if (CHIP_IS_E1x(bp))
  5726. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5727. vars->line_speed);
  5728. /* disable drain */
  5729. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5730. /* update shared memory */
  5731. bnx2x_update_mng(params, vars->link_status);
  5732. msleep(20);
  5733. return rc;
  5734. }
  5735. /*
  5736. * The bnx2x_link_update function should be called upon link
  5737. * interrupt.
  5738. * Link is considered up as follows:
  5739. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5740. * to be up
  5741. * - SINGLE_MEDIA - The link between the 577xx and the external
  5742. * phy (XGXS) need to up as well as the external link of the
  5743. * phy (PHY_EXT1)
  5744. * - DUAL_MEDIA - The link between the 577xx and the first
  5745. * external phy needs to be up, and at least one of the 2
  5746. * external phy link must be up.
  5747. */
  5748. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5749. {
  5750. struct bnx2x *bp = params->bp;
  5751. struct link_vars phy_vars[MAX_PHYS];
  5752. u8 port = params->port;
  5753. u8 link_10g_plus, phy_index;
  5754. u8 ext_phy_link_up = 0, cur_link_up;
  5755. int rc = 0;
  5756. u8 is_mi_int = 0;
  5757. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5758. u8 active_external_phy = INT_PHY;
  5759. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5760. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5761. phy_index++) {
  5762. phy_vars[phy_index].flow_ctrl = 0;
  5763. phy_vars[phy_index].link_status = 0;
  5764. phy_vars[phy_index].line_speed = 0;
  5765. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5766. phy_vars[phy_index].phy_link_up = 0;
  5767. phy_vars[phy_index].link_up = 0;
  5768. phy_vars[phy_index].fault_detected = 0;
  5769. }
  5770. if (USES_WARPCORE(bp))
  5771. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5772. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5773. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5774. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5775. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5776. port*0x18) > 0);
  5777. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5778. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5779. is_mi_int,
  5780. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5781. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5782. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5783. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5784. /* disable emac */
  5785. if (!CHIP_IS_E3(bp))
  5786. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5787. /*
  5788. * Step 1:
  5789. * Check external link change only for external phys, and apply
  5790. * priority selection between them in case the link on both phys
  5791. * is up. Note that instead of the common vars, a temporary
  5792. * vars argument is used since each phy may have different link/
  5793. * speed/duplex result
  5794. */
  5795. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5796. phy_index++) {
  5797. struct bnx2x_phy *phy = &params->phy[phy_index];
  5798. if (!phy->read_status)
  5799. continue;
  5800. /* Read link status and params of this ext phy */
  5801. cur_link_up = phy->read_status(phy, params,
  5802. &phy_vars[phy_index]);
  5803. if (cur_link_up) {
  5804. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5805. phy_index);
  5806. } else {
  5807. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5808. phy_index);
  5809. continue;
  5810. }
  5811. if (!ext_phy_link_up) {
  5812. ext_phy_link_up = 1;
  5813. active_external_phy = phy_index;
  5814. } else {
  5815. switch (bnx2x_phy_selection(params)) {
  5816. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5817. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5818. /*
  5819. * In this option, the first PHY makes sure to pass the
  5820. * traffic through itself only.
  5821. * Its not clear how to reset the link on the second phy
  5822. */
  5823. active_external_phy = EXT_PHY1;
  5824. break;
  5825. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5826. /*
  5827. * In this option, the first PHY makes sure to pass the
  5828. * traffic through the second PHY.
  5829. */
  5830. active_external_phy = EXT_PHY2;
  5831. break;
  5832. default:
  5833. /*
  5834. * Link indication on both PHYs with the following cases
  5835. * is invalid:
  5836. * - FIRST_PHY means that second phy wasn't initialized,
  5837. * hence its link is expected to be down
  5838. * - SECOND_PHY means that first phy should not be able
  5839. * to link up by itself (using configuration)
  5840. * - DEFAULT should be overriden during initialiazation
  5841. */
  5842. DP(NETIF_MSG_LINK, "Invalid link indication"
  5843. "mpc=0x%x. DISABLING LINK !!!\n",
  5844. params->multi_phy_config);
  5845. ext_phy_link_up = 0;
  5846. break;
  5847. }
  5848. }
  5849. }
  5850. prev_line_speed = vars->line_speed;
  5851. /*
  5852. * Step 2:
  5853. * Read the status of the internal phy. In case of
  5854. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5855. * otherwise this is the link between the 577xx and the first
  5856. * external phy
  5857. */
  5858. if (params->phy[INT_PHY].read_status)
  5859. params->phy[INT_PHY].read_status(
  5860. &params->phy[INT_PHY],
  5861. params, vars);
  5862. /*
  5863. * The INT_PHY flow control reside in the vars. This include the
  5864. * case where the speed or flow control are not set to AUTO.
  5865. * Otherwise, the active external phy flow control result is set
  5866. * to the vars. The ext_phy_line_speed is needed to check if the
  5867. * speed is different between the internal phy and external phy.
  5868. * This case may be result of intermediate link speed change.
  5869. */
  5870. if (active_external_phy > INT_PHY) {
  5871. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5872. /*
  5873. * Link speed is taken from the XGXS. AN and FC result from
  5874. * the external phy.
  5875. */
  5876. vars->link_status |= phy_vars[active_external_phy].link_status;
  5877. /*
  5878. * if active_external_phy is first PHY and link is up - disable
  5879. * disable TX on second external PHY
  5880. */
  5881. if (active_external_phy == EXT_PHY1) {
  5882. if (params->phy[EXT_PHY2].phy_specific_func) {
  5883. DP(NETIF_MSG_LINK,
  5884. "Disabling TX on EXT_PHY2\n");
  5885. params->phy[EXT_PHY2].phy_specific_func(
  5886. &params->phy[EXT_PHY2],
  5887. params, DISABLE_TX);
  5888. }
  5889. }
  5890. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5891. vars->duplex = phy_vars[active_external_phy].duplex;
  5892. if (params->phy[active_external_phy].supported &
  5893. SUPPORTED_FIBRE)
  5894. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5895. else
  5896. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5897. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5898. active_external_phy);
  5899. }
  5900. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5901. phy_index++) {
  5902. if (params->phy[phy_index].flags &
  5903. FLAGS_REARM_LATCH_SIGNAL) {
  5904. bnx2x_rearm_latch_signal(bp, port,
  5905. phy_index ==
  5906. active_external_phy);
  5907. break;
  5908. }
  5909. }
  5910. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5911. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5912. vars->link_status, ext_phy_line_speed);
  5913. /*
  5914. * Upon link speed change set the NIG into drain mode. Comes to
  5915. * deals with possible FIFO glitch due to clk change when speed
  5916. * is decreased without link down indicator
  5917. */
  5918. if (vars->phy_link_up) {
  5919. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5920. (ext_phy_line_speed != vars->line_speed)) {
  5921. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5922. " different than the external"
  5923. " link speed %d\n", vars->line_speed,
  5924. ext_phy_line_speed);
  5925. vars->phy_link_up = 0;
  5926. } else if (prev_line_speed != vars->line_speed) {
  5927. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5928. 0);
  5929. msleep(1);
  5930. }
  5931. }
  5932. /* anything 10 and over uses the bmac */
  5933. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5934. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5935. /*
  5936. * In case external phy link is up, and internal link is down
  5937. * (not initialized yet probably after link initialization, it
  5938. * needs to be initialized.
  5939. * Note that after link down-up as result of cable plug, the xgxs
  5940. * link would probably become up again without the need
  5941. * initialize it
  5942. */
  5943. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5944. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5945. " init_preceding = %d\n", ext_phy_link_up,
  5946. vars->phy_link_up,
  5947. params->phy[EXT_PHY1].flags &
  5948. FLAGS_INIT_XGXS_FIRST);
  5949. if (!(params->phy[EXT_PHY1].flags &
  5950. FLAGS_INIT_XGXS_FIRST)
  5951. && ext_phy_link_up && !vars->phy_link_up) {
  5952. vars->line_speed = ext_phy_line_speed;
  5953. if (vars->line_speed < SPEED_1000)
  5954. vars->phy_flags |= PHY_SGMII_FLAG;
  5955. else
  5956. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5957. if (params->phy[INT_PHY].config_init)
  5958. params->phy[INT_PHY].config_init(
  5959. &params->phy[INT_PHY], params,
  5960. vars);
  5961. }
  5962. }
  5963. /*
  5964. * Link is up only if both local phy and external phy (in case of
  5965. * non-direct board) are up and no fault detected on active PHY.
  5966. */
  5967. vars->link_up = (vars->phy_link_up &&
  5968. (ext_phy_link_up ||
  5969. SINGLE_MEDIA_DIRECT(params)) &&
  5970. (phy_vars[active_external_phy].fault_detected == 0));
  5971. if (vars->link_up)
  5972. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5973. else
  5974. rc = bnx2x_update_link_down(params, vars);
  5975. return rc;
  5976. }
  5977. /*****************************************************************************/
  5978. /* External Phy section */
  5979. /*****************************************************************************/
  5980. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5981. {
  5982. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5983. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5984. msleep(1);
  5985. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5986. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5987. }
  5988. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5989. u32 spirom_ver, u32 ver_addr)
  5990. {
  5991. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5992. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5993. if (ver_addr)
  5994. REG_WR(bp, ver_addr, spirom_ver);
  5995. }
  5996. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5997. struct bnx2x_phy *phy,
  5998. u8 port)
  5999. {
  6000. u16 fw_ver1, fw_ver2;
  6001. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6002. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6003. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6004. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6005. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6006. phy->ver_addr);
  6007. }
  6008. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6009. struct bnx2x_phy *phy,
  6010. struct link_vars *vars)
  6011. {
  6012. u16 val;
  6013. bnx2x_cl45_read(bp, phy,
  6014. MDIO_AN_DEVAD,
  6015. MDIO_AN_REG_STATUS, &val);
  6016. bnx2x_cl45_read(bp, phy,
  6017. MDIO_AN_DEVAD,
  6018. MDIO_AN_REG_STATUS, &val);
  6019. if (val & (1<<5))
  6020. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6021. if ((val & (1<<0)) == 0)
  6022. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6023. }
  6024. /******************************************************************/
  6025. /* common BCM8073/BCM8727 PHY SECTION */
  6026. /******************************************************************/
  6027. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6028. struct link_params *params,
  6029. struct link_vars *vars)
  6030. {
  6031. struct bnx2x *bp = params->bp;
  6032. if (phy->req_line_speed == SPEED_10 ||
  6033. phy->req_line_speed == SPEED_100) {
  6034. vars->flow_ctrl = phy->req_flow_ctrl;
  6035. return;
  6036. }
  6037. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6038. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6039. u16 pause_result;
  6040. u16 ld_pause; /* local */
  6041. u16 lp_pause; /* link partner */
  6042. bnx2x_cl45_read(bp, phy,
  6043. MDIO_AN_DEVAD,
  6044. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6045. bnx2x_cl45_read(bp, phy,
  6046. MDIO_AN_DEVAD,
  6047. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6048. pause_result = (ld_pause &
  6049. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6050. pause_result |= (lp_pause &
  6051. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6052. bnx2x_pause_resolve(vars, pause_result);
  6053. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6054. pause_result);
  6055. }
  6056. }
  6057. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6058. struct bnx2x_phy *phy,
  6059. u8 port)
  6060. {
  6061. u32 count = 0;
  6062. u16 fw_ver1, fw_msgout;
  6063. int rc = 0;
  6064. /* Boot port from external ROM */
  6065. /* EDC grst */
  6066. bnx2x_cl45_write(bp, phy,
  6067. MDIO_PMA_DEVAD,
  6068. MDIO_PMA_REG_GEN_CTRL,
  6069. 0x0001);
  6070. /* ucode reboot and rst */
  6071. bnx2x_cl45_write(bp, phy,
  6072. MDIO_PMA_DEVAD,
  6073. MDIO_PMA_REG_GEN_CTRL,
  6074. 0x008c);
  6075. bnx2x_cl45_write(bp, phy,
  6076. MDIO_PMA_DEVAD,
  6077. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6078. /* Reset internal microprocessor */
  6079. bnx2x_cl45_write(bp, phy,
  6080. MDIO_PMA_DEVAD,
  6081. MDIO_PMA_REG_GEN_CTRL,
  6082. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6083. /* Release srst bit */
  6084. bnx2x_cl45_write(bp, phy,
  6085. MDIO_PMA_DEVAD,
  6086. MDIO_PMA_REG_GEN_CTRL,
  6087. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6088. /* Delay 100ms per the PHY specifications */
  6089. msleep(100);
  6090. /* 8073 sometimes taking longer to download */
  6091. do {
  6092. count++;
  6093. if (count > 300) {
  6094. DP(NETIF_MSG_LINK,
  6095. "bnx2x_8073_8727_external_rom_boot port %x:"
  6096. "Download failed. fw version = 0x%x\n",
  6097. port, fw_ver1);
  6098. rc = -EINVAL;
  6099. break;
  6100. }
  6101. bnx2x_cl45_read(bp, phy,
  6102. MDIO_PMA_DEVAD,
  6103. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6104. bnx2x_cl45_read(bp, phy,
  6105. MDIO_PMA_DEVAD,
  6106. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6107. msleep(1);
  6108. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6109. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6110. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6111. /* Clear ser_boot_ctl bit */
  6112. bnx2x_cl45_write(bp, phy,
  6113. MDIO_PMA_DEVAD,
  6114. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6115. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6116. DP(NETIF_MSG_LINK,
  6117. "bnx2x_8073_8727_external_rom_boot port %x:"
  6118. "Download complete. fw version = 0x%x\n",
  6119. port, fw_ver1);
  6120. return rc;
  6121. }
  6122. /******************************************************************/
  6123. /* BCM8073 PHY SECTION */
  6124. /******************************************************************/
  6125. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6126. {
  6127. /* This is only required for 8073A1, version 102 only */
  6128. u16 val;
  6129. /* Read 8073 HW revision*/
  6130. bnx2x_cl45_read(bp, phy,
  6131. MDIO_PMA_DEVAD,
  6132. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6133. if (val != 1) {
  6134. /* No need to workaround in 8073 A1 */
  6135. return 0;
  6136. }
  6137. bnx2x_cl45_read(bp, phy,
  6138. MDIO_PMA_DEVAD,
  6139. MDIO_PMA_REG_ROM_VER2, &val);
  6140. /* SNR should be applied only for version 0x102 */
  6141. if (val != 0x102)
  6142. return 0;
  6143. return 1;
  6144. }
  6145. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6146. {
  6147. u16 val, cnt, cnt1 ;
  6148. bnx2x_cl45_read(bp, phy,
  6149. MDIO_PMA_DEVAD,
  6150. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6151. if (val > 0) {
  6152. /* No need to workaround in 8073 A1 */
  6153. return 0;
  6154. }
  6155. /* XAUI workaround in 8073 A0: */
  6156. /*
  6157. * After loading the boot ROM and restarting Autoneg, poll
  6158. * Dev1, Reg $C820:
  6159. */
  6160. for (cnt = 0; cnt < 1000; cnt++) {
  6161. bnx2x_cl45_read(bp, phy,
  6162. MDIO_PMA_DEVAD,
  6163. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6164. &val);
  6165. /*
  6166. * If bit [14] = 0 or bit [13] = 0, continue on with
  6167. * system initialization (XAUI work-around not required, as
  6168. * these bits indicate 2.5G or 1G link up).
  6169. */
  6170. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6171. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6172. return 0;
  6173. } else if (!(val & (1<<15))) {
  6174. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6175. /*
  6176. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6177. * MSB (bit15) goes to 1 (indicating that the XAUI
  6178. * workaround has completed), then continue on with
  6179. * system initialization.
  6180. */
  6181. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6182. bnx2x_cl45_read(bp, phy,
  6183. MDIO_PMA_DEVAD,
  6184. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6185. if (val & (1<<15)) {
  6186. DP(NETIF_MSG_LINK,
  6187. "XAUI workaround has completed\n");
  6188. return 0;
  6189. }
  6190. msleep(3);
  6191. }
  6192. break;
  6193. }
  6194. msleep(3);
  6195. }
  6196. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6197. return -EINVAL;
  6198. }
  6199. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6200. {
  6201. /* Force KR or KX */
  6202. bnx2x_cl45_write(bp, phy,
  6203. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6206. bnx2x_cl45_write(bp, phy,
  6207. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6208. bnx2x_cl45_write(bp, phy,
  6209. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6210. }
  6211. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6212. struct bnx2x_phy *phy,
  6213. struct link_vars *vars)
  6214. {
  6215. u16 cl37_val;
  6216. struct bnx2x *bp = params->bp;
  6217. bnx2x_cl45_read(bp, phy,
  6218. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6219. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6220. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6221. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6222. if ((vars->ieee_fc &
  6223. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6224. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6225. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6226. }
  6227. if ((vars->ieee_fc &
  6228. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6229. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6230. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6231. }
  6232. if ((vars->ieee_fc &
  6233. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6234. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6235. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6236. }
  6237. DP(NETIF_MSG_LINK,
  6238. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6239. bnx2x_cl45_write(bp, phy,
  6240. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6241. msleep(500);
  6242. }
  6243. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6244. struct link_params *params,
  6245. struct link_vars *vars)
  6246. {
  6247. struct bnx2x *bp = params->bp;
  6248. u16 val = 0, tmp1;
  6249. u8 gpio_port;
  6250. DP(NETIF_MSG_LINK, "Init 8073\n");
  6251. if (CHIP_IS_E2(bp))
  6252. gpio_port = BP_PATH(bp);
  6253. else
  6254. gpio_port = params->port;
  6255. /* Restore normal power mode*/
  6256. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6257. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6258. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6259. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6260. /* enable LASI */
  6261. bnx2x_cl45_write(bp, phy,
  6262. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6263. bnx2x_cl45_write(bp, phy,
  6264. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6265. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6266. bnx2x_cl45_read(bp, phy,
  6267. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6268. bnx2x_cl45_read(bp, phy,
  6269. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6270. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6271. /* Swap polarity if required - Must be done only in non-1G mode */
  6272. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6273. /* Configure the 8073 to swap _P and _N of the KR lines */
  6274. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6275. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6276. bnx2x_cl45_read(bp, phy,
  6277. MDIO_PMA_DEVAD,
  6278. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6279. bnx2x_cl45_write(bp, phy,
  6280. MDIO_PMA_DEVAD,
  6281. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6282. (val | (3<<9)));
  6283. }
  6284. /* Enable CL37 BAM */
  6285. if (REG_RD(bp, params->shmem_base +
  6286. offsetof(struct shmem_region, dev_info.
  6287. port_hw_config[params->port].default_cfg)) &
  6288. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6289. bnx2x_cl45_read(bp, phy,
  6290. MDIO_AN_DEVAD,
  6291. MDIO_AN_REG_8073_BAM, &val);
  6292. bnx2x_cl45_write(bp, phy,
  6293. MDIO_AN_DEVAD,
  6294. MDIO_AN_REG_8073_BAM, val | 1);
  6295. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6296. }
  6297. if (params->loopback_mode == LOOPBACK_EXT) {
  6298. bnx2x_807x_force_10G(bp, phy);
  6299. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6300. return 0;
  6301. } else {
  6302. bnx2x_cl45_write(bp, phy,
  6303. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6304. }
  6305. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6306. if (phy->req_line_speed == SPEED_10000) {
  6307. val = (1<<7);
  6308. } else if (phy->req_line_speed == SPEED_2500) {
  6309. val = (1<<5);
  6310. /*
  6311. * Note that 2.5G works only when used with 1G
  6312. * advertisement
  6313. */
  6314. } else
  6315. val = (1<<5);
  6316. } else {
  6317. val = 0;
  6318. if (phy->speed_cap_mask &
  6319. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6320. val |= (1<<7);
  6321. /* Note that 2.5G works only when used with 1G advertisement */
  6322. if (phy->speed_cap_mask &
  6323. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6324. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6325. val |= (1<<5);
  6326. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6327. }
  6328. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6329. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6330. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6331. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6332. (phy->req_line_speed == SPEED_2500)) {
  6333. u16 phy_ver;
  6334. /* Allow 2.5G for A1 and above */
  6335. bnx2x_cl45_read(bp, phy,
  6336. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6337. &phy_ver);
  6338. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6339. if (phy_ver > 0)
  6340. tmp1 |= 1;
  6341. else
  6342. tmp1 &= 0xfffe;
  6343. } else {
  6344. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6345. tmp1 &= 0xfffe;
  6346. }
  6347. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6348. /* Add support for CL37 (passive mode) II */
  6349. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6350. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6351. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6352. 0x20 : 0x40)));
  6353. /* Add support for CL37 (passive mode) III */
  6354. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6355. /*
  6356. * The SNR will improve about 2db by changing BW and FEE main
  6357. * tap. Rest commands are executed after link is up
  6358. * Change FFE main cursor to 5 in EDC register
  6359. */
  6360. if (bnx2x_8073_is_snr_needed(bp, phy))
  6361. bnx2x_cl45_write(bp, phy,
  6362. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6363. 0xFB0C);
  6364. /* Enable FEC (Forware Error Correction) Request in the AN */
  6365. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6366. tmp1 |= (1<<15);
  6367. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6368. bnx2x_ext_phy_set_pause(params, phy, vars);
  6369. /* Restart autoneg */
  6370. msleep(500);
  6371. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6372. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6373. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6374. return 0;
  6375. }
  6376. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6377. struct link_params *params,
  6378. struct link_vars *vars)
  6379. {
  6380. struct bnx2x *bp = params->bp;
  6381. u8 link_up = 0;
  6382. u16 val1, val2;
  6383. u16 link_status = 0;
  6384. u16 an1000_status = 0;
  6385. bnx2x_cl45_read(bp, phy,
  6386. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6387. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6388. /* clear the interrupt LASI status register */
  6389. bnx2x_cl45_read(bp, phy,
  6390. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6391. bnx2x_cl45_read(bp, phy,
  6392. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6393. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6394. /* Clear MSG-OUT */
  6395. bnx2x_cl45_read(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6397. /* Check the LASI */
  6398. bnx2x_cl45_read(bp, phy,
  6399. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6400. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6401. /* Check the link status */
  6402. bnx2x_cl45_read(bp, phy,
  6403. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6404. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6405. bnx2x_cl45_read(bp, phy,
  6406. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6407. bnx2x_cl45_read(bp, phy,
  6408. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6409. link_up = ((val1 & 4) == 4);
  6410. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6411. if (link_up &&
  6412. ((phy->req_line_speed != SPEED_10000))) {
  6413. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6414. return 0;
  6415. }
  6416. bnx2x_cl45_read(bp, phy,
  6417. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6418. bnx2x_cl45_read(bp, phy,
  6419. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6420. /* Check the link status on 1.1.2 */
  6421. bnx2x_cl45_read(bp, phy,
  6422. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6423. bnx2x_cl45_read(bp, phy,
  6424. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6425. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6426. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6427. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6428. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6429. /*
  6430. * The SNR will improve about 2dbby changing the BW and FEE main
  6431. * tap. The 1st write to change FFE main tap is set before
  6432. * restart AN. Change PLL Bandwidth in EDC register
  6433. */
  6434. bnx2x_cl45_write(bp, phy,
  6435. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6436. 0x26BC);
  6437. /* Change CDR Bandwidth in EDC register */
  6438. bnx2x_cl45_write(bp, phy,
  6439. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6440. 0x0333);
  6441. }
  6442. bnx2x_cl45_read(bp, phy,
  6443. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6444. &link_status);
  6445. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6446. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6447. link_up = 1;
  6448. vars->line_speed = SPEED_10000;
  6449. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6450. params->port);
  6451. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6452. link_up = 1;
  6453. vars->line_speed = SPEED_2500;
  6454. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6455. params->port);
  6456. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6457. link_up = 1;
  6458. vars->line_speed = SPEED_1000;
  6459. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6460. params->port);
  6461. } else {
  6462. link_up = 0;
  6463. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6464. params->port);
  6465. }
  6466. if (link_up) {
  6467. /* Swap polarity if required */
  6468. if (params->lane_config &
  6469. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6470. /* Configure the 8073 to swap P and N of the KR lines */
  6471. bnx2x_cl45_read(bp, phy,
  6472. MDIO_XS_DEVAD,
  6473. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6474. /*
  6475. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6476. * when it`s in 10G mode.
  6477. */
  6478. if (vars->line_speed == SPEED_1000) {
  6479. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6480. "the 8073\n");
  6481. val1 |= (1<<3);
  6482. } else
  6483. val1 &= ~(1<<3);
  6484. bnx2x_cl45_write(bp, phy,
  6485. MDIO_XS_DEVAD,
  6486. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6487. val1);
  6488. }
  6489. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6490. bnx2x_8073_resolve_fc(phy, params, vars);
  6491. vars->duplex = DUPLEX_FULL;
  6492. }
  6493. return link_up;
  6494. }
  6495. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6496. struct link_params *params)
  6497. {
  6498. struct bnx2x *bp = params->bp;
  6499. u8 gpio_port;
  6500. if (CHIP_IS_E2(bp))
  6501. gpio_port = BP_PATH(bp);
  6502. else
  6503. gpio_port = params->port;
  6504. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6505. gpio_port);
  6506. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6507. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6508. gpio_port);
  6509. }
  6510. /******************************************************************/
  6511. /* BCM8705 PHY SECTION */
  6512. /******************************************************************/
  6513. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6514. struct link_params *params,
  6515. struct link_vars *vars)
  6516. {
  6517. struct bnx2x *bp = params->bp;
  6518. DP(NETIF_MSG_LINK, "init 8705\n");
  6519. /* Restore normal power mode*/
  6520. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6521. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6522. /* HW reset */
  6523. bnx2x_ext_phy_hw_reset(bp, params->port);
  6524. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6525. bnx2x_wait_reset_complete(bp, phy, params);
  6526. bnx2x_cl45_write(bp, phy,
  6527. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6528. bnx2x_cl45_write(bp, phy,
  6529. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6530. bnx2x_cl45_write(bp, phy,
  6531. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6532. bnx2x_cl45_write(bp, phy,
  6533. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6534. /* BCM8705 doesn't have microcode, hence the 0 */
  6535. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6536. return 0;
  6537. }
  6538. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6539. struct link_params *params,
  6540. struct link_vars *vars)
  6541. {
  6542. u8 link_up = 0;
  6543. u16 val1, rx_sd;
  6544. struct bnx2x *bp = params->bp;
  6545. DP(NETIF_MSG_LINK, "read status 8705\n");
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6548. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6549. bnx2x_cl45_read(bp, phy,
  6550. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6551. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6554. bnx2x_cl45_read(bp, phy,
  6555. MDIO_PMA_DEVAD, 0xc809, &val1);
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD, 0xc809, &val1);
  6558. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6559. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6560. if (link_up) {
  6561. vars->line_speed = SPEED_10000;
  6562. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6563. }
  6564. return link_up;
  6565. }
  6566. /******************************************************************/
  6567. /* SFP+ module Section */
  6568. /******************************************************************/
  6569. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6570. struct bnx2x_phy *phy,
  6571. u8 pmd_dis)
  6572. {
  6573. struct bnx2x *bp = params->bp;
  6574. /*
  6575. * Disable transmitter only for bootcodes which can enable it afterwards
  6576. * (for D3 link)
  6577. */
  6578. if (pmd_dis) {
  6579. if (params->feature_config_flags &
  6580. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6581. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6582. else {
  6583. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6584. return;
  6585. }
  6586. } else
  6587. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6588. bnx2x_cl45_write(bp, phy,
  6589. MDIO_PMA_DEVAD,
  6590. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6591. }
  6592. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6593. {
  6594. u8 gpio_port;
  6595. u32 swap_val, swap_override;
  6596. struct bnx2x *bp = params->bp;
  6597. if (CHIP_IS_E2(bp))
  6598. gpio_port = BP_PATH(bp);
  6599. else
  6600. gpio_port = params->port;
  6601. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6602. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6603. return gpio_port ^ (swap_val && swap_override);
  6604. }
  6605. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6606. struct bnx2x_phy *phy,
  6607. u8 tx_en)
  6608. {
  6609. u16 val;
  6610. u8 port = params->port;
  6611. struct bnx2x *bp = params->bp;
  6612. u32 tx_en_mode;
  6613. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6614. tx_en_mode = REG_RD(bp, params->shmem_base +
  6615. offsetof(struct shmem_region,
  6616. dev_info.port_hw_config[port].sfp_ctrl)) &
  6617. PORT_HW_CFG_TX_LASER_MASK;
  6618. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6619. "mode = %x\n", tx_en, port, tx_en_mode);
  6620. switch (tx_en_mode) {
  6621. case PORT_HW_CFG_TX_LASER_MDIO:
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PMA_DEVAD,
  6624. MDIO_PMA_REG_PHY_IDENTIFIER,
  6625. &val);
  6626. if (tx_en)
  6627. val &= ~(1<<15);
  6628. else
  6629. val |= (1<<15);
  6630. bnx2x_cl45_write(bp, phy,
  6631. MDIO_PMA_DEVAD,
  6632. MDIO_PMA_REG_PHY_IDENTIFIER,
  6633. val);
  6634. break;
  6635. case PORT_HW_CFG_TX_LASER_GPIO0:
  6636. case PORT_HW_CFG_TX_LASER_GPIO1:
  6637. case PORT_HW_CFG_TX_LASER_GPIO2:
  6638. case PORT_HW_CFG_TX_LASER_GPIO3:
  6639. {
  6640. u16 gpio_pin;
  6641. u8 gpio_port, gpio_mode;
  6642. if (tx_en)
  6643. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6644. else
  6645. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6646. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6647. gpio_port = bnx2x_get_gpio_port(params);
  6648. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6649. break;
  6650. }
  6651. default:
  6652. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6653. break;
  6654. }
  6655. }
  6656. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6657. struct bnx2x_phy *phy,
  6658. u8 tx_en)
  6659. {
  6660. struct bnx2x *bp = params->bp;
  6661. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6662. if (CHIP_IS_E3(bp))
  6663. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6664. else
  6665. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6666. }
  6667. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6668. struct link_params *params,
  6669. u16 addr, u8 byte_cnt, u8 *o_buf)
  6670. {
  6671. struct bnx2x *bp = params->bp;
  6672. u16 val = 0;
  6673. u16 i;
  6674. if (byte_cnt > 16) {
  6675. DP(NETIF_MSG_LINK,
  6676. "Reading from eeprom is limited to 0xf\n");
  6677. return -EINVAL;
  6678. }
  6679. /* Set the read command byte count */
  6680. bnx2x_cl45_write(bp, phy,
  6681. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6682. (byte_cnt | 0xa000));
  6683. /* Set the read command address */
  6684. bnx2x_cl45_write(bp, phy,
  6685. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6686. addr);
  6687. /* Activate read command */
  6688. bnx2x_cl45_write(bp, phy,
  6689. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6690. 0x2c0f);
  6691. /* Wait up to 500us for command complete status */
  6692. for (i = 0; i < 100; i++) {
  6693. bnx2x_cl45_read(bp, phy,
  6694. MDIO_PMA_DEVAD,
  6695. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6696. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6697. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6698. break;
  6699. udelay(5);
  6700. }
  6701. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6702. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6703. DP(NETIF_MSG_LINK,
  6704. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6705. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6706. return -EINVAL;
  6707. }
  6708. /* Read the buffer */
  6709. for (i = 0; i < byte_cnt; i++) {
  6710. bnx2x_cl45_read(bp, phy,
  6711. MDIO_PMA_DEVAD,
  6712. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6713. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6714. }
  6715. for (i = 0; i < 100; i++) {
  6716. bnx2x_cl45_read(bp, phy,
  6717. MDIO_PMA_DEVAD,
  6718. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6719. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6720. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6721. return 0;
  6722. msleep(1);
  6723. }
  6724. return -EINVAL;
  6725. }
  6726. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6727. struct link_params *params,
  6728. u16 addr, u8 byte_cnt,
  6729. u8 *o_buf)
  6730. {
  6731. int rc = 0;
  6732. u8 i, j = 0, cnt = 0;
  6733. u32 data_array[4];
  6734. u16 addr32;
  6735. struct bnx2x *bp = params->bp;
  6736. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6737. " addr %d, cnt %d\n",
  6738. addr, byte_cnt);*/
  6739. if (byte_cnt > 16) {
  6740. DP(NETIF_MSG_LINK,
  6741. "Reading from eeprom is limited to 16 bytes\n");
  6742. return -EINVAL;
  6743. }
  6744. /* 4 byte aligned address */
  6745. addr32 = addr & (~0x3);
  6746. do {
  6747. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6748. data_array);
  6749. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6750. if (rc == 0) {
  6751. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6752. o_buf[j] = *((u8 *)data_array + i);
  6753. j++;
  6754. }
  6755. }
  6756. return rc;
  6757. }
  6758. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6759. struct link_params *params,
  6760. u16 addr, u8 byte_cnt, u8 *o_buf)
  6761. {
  6762. struct bnx2x *bp = params->bp;
  6763. u16 val, i;
  6764. if (byte_cnt > 16) {
  6765. DP(NETIF_MSG_LINK,
  6766. "Reading from eeprom is limited to 0xf\n");
  6767. return -EINVAL;
  6768. }
  6769. /* Need to read from 1.8000 to clear it */
  6770. bnx2x_cl45_read(bp, phy,
  6771. MDIO_PMA_DEVAD,
  6772. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6773. &val);
  6774. /* Set the read command byte count */
  6775. bnx2x_cl45_write(bp, phy,
  6776. MDIO_PMA_DEVAD,
  6777. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6778. ((byte_cnt < 2) ? 2 : byte_cnt));
  6779. /* Set the read command address */
  6780. bnx2x_cl45_write(bp, phy,
  6781. MDIO_PMA_DEVAD,
  6782. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6783. addr);
  6784. /* Set the destination address */
  6785. bnx2x_cl45_write(bp, phy,
  6786. MDIO_PMA_DEVAD,
  6787. 0x8004,
  6788. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6789. /* Activate read command */
  6790. bnx2x_cl45_write(bp, phy,
  6791. MDIO_PMA_DEVAD,
  6792. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6793. 0x8002);
  6794. /*
  6795. * Wait appropriate time for two-wire command to finish before
  6796. * polling the status register
  6797. */
  6798. msleep(1);
  6799. /* Wait up to 500us for command complete status */
  6800. for (i = 0; i < 100; i++) {
  6801. bnx2x_cl45_read(bp, phy,
  6802. MDIO_PMA_DEVAD,
  6803. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6804. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6805. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6806. break;
  6807. udelay(5);
  6808. }
  6809. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6810. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6811. DP(NETIF_MSG_LINK,
  6812. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6813. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6814. return -EFAULT;
  6815. }
  6816. /* Read the buffer */
  6817. for (i = 0; i < byte_cnt; i++) {
  6818. bnx2x_cl45_read(bp, phy,
  6819. MDIO_PMA_DEVAD,
  6820. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6821. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6822. }
  6823. for (i = 0; i < 100; i++) {
  6824. bnx2x_cl45_read(bp, phy,
  6825. MDIO_PMA_DEVAD,
  6826. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6827. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6828. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6829. return 0;
  6830. msleep(1);
  6831. }
  6832. return -EINVAL;
  6833. }
  6834. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6835. struct link_params *params, u16 addr,
  6836. u8 byte_cnt, u8 *o_buf)
  6837. {
  6838. int rc = -EINVAL;
  6839. switch (phy->type) {
  6840. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6841. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6842. byte_cnt, o_buf);
  6843. break;
  6844. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6845. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6846. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6847. byte_cnt, o_buf);
  6848. break;
  6849. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6850. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6851. byte_cnt, o_buf);
  6852. break;
  6853. }
  6854. return rc;
  6855. }
  6856. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6857. struct link_params *params,
  6858. u16 *edc_mode)
  6859. {
  6860. struct bnx2x *bp = params->bp;
  6861. u32 sync_offset = 0, phy_idx, media_types;
  6862. u8 val, check_limiting_mode = 0;
  6863. *edc_mode = EDC_MODE_LIMITING;
  6864. phy->media_type = ETH_PHY_UNSPECIFIED;
  6865. /* First check for copper cable */
  6866. if (bnx2x_read_sfp_module_eeprom(phy,
  6867. params,
  6868. SFP_EEPROM_CON_TYPE_ADDR,
  6869. 1,
  6870. &val) != 0) {
  6871. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6872. return -EINVAL;
  6873. }
  6874. switch (val) {
  6875. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6876. {
  6877. u8 copper_module_type;
  6878. phy->media_type = ETH_PHY_DA_TWINAX;
  6879. /*
  6880. * Check if its active cable (includes SFP+ module)
  6881. * of passive cable
  6882. */
  6883. if (bnx2x_read_sfp_module_eeprom(phy,
  6884. params,
  6885. SFP_EEPROM_FC_TX_TECH_ADDR,
  6886. 1,
  6887. &copper_module_type) != 0) {
  6888. DP(NETIF_MSG_LINK,
  6889. "Failed to read copper-cable-type"
  6890. " from SFP+ EEPROM\n");
  6891. return -EINVAL;
  6892. }
  6893. if (copper_module_type &
  6894. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6895. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6896. check_limiting_mode = 1;
  6897. } else if (copper_module_type &
  6898. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6899. DP(NETIF_MSG_LINK,
  6900. "Passive Copper cable detected\n");
  6901. *edc_mode =
  6902. EDC_MODE_PASSIVE_DAC;
  6903. } else {
  6904. DP(NETIF_MSG_LINK,
  6905. "Unknown copper-cable-type 0x%x !!!\n",
  6906. copper_module_type);
  6907. return -EINVAL;
  6908. }
  6909. break;
  6910. }
  6911. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6912. phy->media_type = ETH_PHY_SFP_FIBER;
  6913. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6914. check_limiting_mode = 1;
  6915. break;
  6916. default:
  6917. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6918. val);
  6919. return -EINVAL;
  6920. }
  6921. sync_offset = params->shmem_base +
  6922. offsetof(struct shmem_region,
  6923. dev_info.port_hw_config[params->port].media_type);
  6924. media_types = REG_RD(bp, sync_offset);
  6925. /* Update media type for non-PMF sync */
  6926. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6927. if (&(params->phy[phy_idx]) == phy) {
  6928. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6929. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6930. media_types |= ((phy->media_type &
  6931. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6932. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6933. break;
  6934. }
  6935. }
  6936. REG_WR(bp, sync_offset, media_types);
  6937. if (check_limiting_mode) {
  6938. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6939. if (bnx2x_read_sfp_module_eeprom(phy,
  6940. params,
  6941. SFP_EEPROM_OPTIONS_ADDR,
  6942. SFP_EEPROM_OPTIONS_SIZE,
  6943. options) != 0) {
  6944. DP(NETIF_MSG_LINK,
  6945. "Failed to read Option field from module EEPROM\n");
  6946. return -EINVAL;
  6947. }
  6948. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6949. *edc_mode = EDC_MODE_LINEAR;
  6950. else
  6951. *edc_mode = EDC_MODE_LIMITING;
  6952. }
  6953. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6954. return 0;
  6955. }
  6956. /*
  6957. * This function read the relevant field from the module (SFP+), and verify it
  6958. * is compliant with this board
  6959. */
  6960. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6961. struct link_params *params)
  6962. {
  6963. struct bnx2x *bp = params->bp;
  6964. u32 val, cmd;
  6965. u32 fw_resp, fw_cmd_param;
  6966. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6967. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6968. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6969. val = REG_RD(bp, params->shmem_base +
  6970. offsetof(struct shmem_region, dev_info.
  6971. port_feature_config[params->port].config));
  6972. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6973. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6974. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6975. return 0;
  6976. }
  6977. if (params->feature_config_flags &
  6978. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6979. /* Use specific phy request */
  6980. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6981. } else if (params->feature_config_flags &
  6982. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6983. /* Use first phy request only in case of non-dual media*/
  6984. if (DUAL_MEDIA(params)) {
  6985. DP(NETIF_MSG_LINK,
  6986. "FW does not support OPT MDL verification\n");
  6987. return -EINVAL;
  6988. }
  6989. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6990. } else {
  6991. /* No support in OPT MDL detection */
  6992. DP(NETIF_MSG_LINK,
  6993. "FW does not support OPT MDL verification\n");
  6994. return -EINVAL;
  6995. }
  6996. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6997. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6998. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6999. DP(NETIF_MSG_LINK, "Approved module\n");
  7000. return 0;
  7001. }
  7002. /* format the warning message */
  7003. if (bnx2x_read_sfp_module_eeprom(phy,
  7004. params,
  7005. SFP_EEPROM_VENDOR_NAME_ADDR,
  7006. SFP_EEPROM_VENDOR_NAME_SIZE,
  7007. (u8 *)vendor_name))
  7008. vendor_name[0] = '\0';
  7009. else
  7010. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7011. if (bnx2x_read_sfp_module_eeprom(phy,
  7012. params,
  7013. SFP_EEPROM_PART_NO_ADDR,
  7014. SFP_EEPROM_PART_NO_SIZE,
  7015. (u8 *)vendor_pn))
  7016. vendor_pn[0] = '\0';
  7017. else
  7018. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7019. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7020. " Port %d from %s part number %s\n",
  7021. params->port, vendor_name, vendor_pn);
  7022. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7023. return -EINVAL;
  7024. }
  7025. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7026. struct link_params *params)
  7027. {
  7028. u8 val;
  7029. struct bnx2x *bp = params->bp;
  7030. u16 timeout;
  7031. /*
  7032. * Initialization time after hot-plug may take up to 300ms for
  7033. * some phys type ( e.g. JDSU )
  7034. */
  7035. for (timeout = 0; timeout < 60; timeout++) {
  7036. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7037. == 0) {
  7038. DP(NETIF_MSG_LINK,
  7039. "SFP+ module initialization took %d ms\n",
  7040. timeout * 5);
  7041. return 0;
  7042. }
  7043. msleep(5);
  7044. }
  7045. return -EINVAL;
  7046. }
  7047. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7048. struct bnx2x_phy *phy,
  7049. u8 is_power_up) {
  7050. /* Make sure GPIOs are not using for LED mode */
  7051. u16 val;
  7052. /*
  7053. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7054. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7055. * output
  7056. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7057. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7058. * where the 1st bit is the over-current(only input), and 2nd bit is
  7059. * for power( only output )
  7060. *
  7061. * In case of NOC feature is disabled and power is up, set GPIO control
  7062. * as input to enable listening of over-current indication
  7063. */
  7064. if (phy->flags & FLAGS_NOC)
  7065. return;
  7066. if (is_power_up)
  7067. val = (1<<4);
  7068. else
  7069. /*
  7070. * Set GPIO control to OUTPUT, and set the power bit
  7071. * to according to the is_power_up
  7072. */
  7073. val = (1<<1);
  7074. bnx2x_cl45_write(bp, phy,
  7075. MDIO_PMA_DEVAD,
  7076. MDIO_PMA_REG_8727_GPIO_CTRL,
  7077. val);
  7078. }
  7079. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7080. struct bnx2x_phy *phy,
  7081. u16 edc_mode)
  7082. {
  7083. u16 cur_limiting_mode;
  7084. bnx2x_cl45_read(bp, phy,
  7085. MDIO_PMA_DEVAD,
  7086. MDIO_PMA_REG_ROM_VER2,
  7087. &cur_limiting_mode);
  7088. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7089. cur_limiting_mode);
  7090. if (edc_mode == EDC_MODE_LIMITING) {
  7091. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7092. bnx2x_cl45_write(bp, phy,
  7093. MDIO_PMA_DEVAD,
  7094. MDIO_PMA_REG_ROM_VER2,
  7095. EDC_MODE_LIMITING);
  7096. } else { /* LRM mode ( default )*/
  7097. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7098. /*
  7099. * Changing to LRM mode takes quite few seconds. So do it only
  7100. * if current mode is limiting (default is LRM)
  7101. */
  7102. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7103. return 0;
  7104. bnx2x_cl45_write(bp, phy,
  7105. MDIO_PMA_DEVAD,
  7106. MDIO_PMA_REG_LRM_MODE,
  7107. 0);
  7108. bnx2x_cl45_write(bp, phy,
  7109. MDIO_PMA_DEVAD,
  7110. MDIO_PMA_REG_ROM_VER2,
  7111. 0x128);
  7112. bnx2x_cl45_write(bp, phy,
  7113. MDIO_PMA_DEVAD,
  7114. MDIO_PMA_REG_MISC_CTRL0,
  7115. 0x4008);
  7116. bnx2x_cl45_write(bp, phy,
  7117. MDIO_PMA_DEVAD,
  7118. MDIO_PMA_REG_LRM_MODE,
  7119. 0xaaaa);
  7120. }
  7121. return 0;
  7122. }
  7123. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7124. struct bnx2x_phy *phy,
  7125. u16 edc_mode)
  7126. {
  7127. u16 phy_identifier;
  7128. u16 rom_ver2_val;
  7129. bnx2x_cl45_read(bp, phy,
  7130. MDIO_PMA_DEVAD,
  7131. MDIO_PMA_REG_PHY_IDENTIFIER,
  7132. &phy_identifier);
  7133. bnx2x_cl45_write(bp, phy,
  7134. MDIO_PMA_DEVAD,
  7135. MDIO_PMA_REG_PHY_IDENTIFIER,
  7136. (phy_identifier & ~(1<<9)));
  7137. bnx2x_cl45_read(bp, phy,
  7138. MDIO_PMA_DEVAD,
  7139. MDIO_PMA_REG_ROM_VER2,
  7140. &rom_ver2_val);
  7141. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7142. bnx2x_cl45_write(bp, phy,
  7143. MDIO_PMA_DEVAD,
  7144. MDIO_PMA_REG_ROM_VER2,
  7145. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7146. bnx2x_cl45_write(bp, phy,
  7147. MDIO_PMA_DEVAD,
  7148. MDIO_PMA_REG_PHY_IDENTIFIER,
  7149. (phy_identifier | (1<<9)));
  7150. return 0;
  7151. }
  7152. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7153. struct link_params *params,
  7154. u32 action)
  7155. {
  7156. struct bnx2x *bp = params->bp;
  7157. switch (action) {
  7158. case DISABLE_TX:
  7159. bnx2x_sfp_set_transmitter(params, phy, 0);
  7160. break;
  7161. case ENABLE_TX:
  7162. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7163. bnx2x_sfp_set_transmitter(params, phy, 1);
  7164. break;
  7165. default:
  7166. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7167. action);
  7168. return;
  7169. }
  7170. }
  7171. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7172. u8 gpio_mode)
  7173. {
  7174. struct bnx2x *bp = params->bp;
  7175. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7176. offsetof(struct shmem_region,
  7177. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7178. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7179. switch (fault_led_gpio) {
  7180. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7181. return;
  7182. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7183. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7184. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7185. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7186. {
  7187. u8 gpio_port = bnx2x_get_gpio_port(params);
  7188. u16 gpio_pin = fault_led_gpio -
  7189. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7190. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7191. "pin %x port %x mode %x\n",
  7192. gpio_pin, gpio_port, gpio_mode);
  7193. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7194. }
  7195. break;
  7196. default:
  7197. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7198. fault_led_gpio);
  7199. }
  7200. }
  7201. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7202. u8 gpio_mode)
  7203. {
  7204. u32 pin_cfg;
  7205. u8 port = params->port;
  7206. struct bnx2x *bp = params->bp;
  7207. pin_cfg = (REG_RD(bp, params->shmem_base +
  7208. offsetof(struct shmem_region,
  7209. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7210. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7211. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7212. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7213. gpio_mode, pin_cfg);
  7214. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7215. }
  7216. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7217. u8 gpio_mode)
  7218. {
  7219. struct bnx2x *bp = params->bp;
  7220. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7221. if (CHIP_IS_E3(bp)) {
  7222. /*
  7223. * Low ==> if SFP+ module is supported otherwise
  7224. * High ==> if SFP+ module is not on the approved vendor list
  7225. */
  7226. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7227. } else
  7228. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7229. }
  7230. static void bnx2x_warpcore_power_module(struct link_params *params,
  7231. struct bnx2x_phy *phy,
  7232. u8 power)
  7233. {
  7234. u32 pin_cfg;
  7235. struct bnx2x *bp = params->bp;
  7236. pin_cfg = (REG_RD(bp, params->shmem_base +
  7237. offsetof(struct shmem_region,
  7238. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7239. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7240. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7241. if (pin_cfg == PIN_CFG_NA)
  7242. return;
  7243. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7244. power, pin_cfg);
  7245. /*
  7246. * Low ==> corresponding SFP+ module is powered
  7247. * high ==> the SFP+ module is powered down
  7248. */
  7249. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7250. }
  7251. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7252. struct link_params *params)
  7253. {
  7254. struct bnx2x *bp = params->bp;
  7255. bnx2x_warpcore_power_module(params, phy, 0);
  7256. /* Put Warpcore in low power mode */
  7257. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7258. /* Put LCPLL in low power mode */
  7259. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7260. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7261. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7262. }
  7263. static void bnx2x_power_sfp_module(struct link_params *params,
  7264. struct bnx2x_phy *phy,
  7265. u8 power)
  7266. {
  7267. struct bnx2x *bp = params->bp;
  7268. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7269. switch (phy->type) {
  7270. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7271. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7272. bnx2x_8727_power_module(params->bp, phy, power);
  7273. break;
  7274. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7275. bnx2x_warpcore_power_module(params, phy, power);
  7276. break;
  7277. default:
  7278. break;
  7279. }
  7280. }
  7281. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7282. struct bnx2x_phy *phy,
  7283. u16 edc_mode)
  7284. {
  7285. u16 val = 0;
  7286. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7287. struct bnx2x *bp = params->bp;
  7288. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7289. /* This is a global register which controls all lanes */
  7290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7291. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7292. val &= ~(0xf << (lane << 2));
  7293. switch (edc_mode) {
  7294. case EDC_MODE_LINEAR:
  7295. case EDC_MODE_LIMITING:
  7296. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7297. break;
  7298. case EDC_MODE_PASSIVE_DAC:
  7299. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7300. break;
  7301. default:
  7302. break;
  7303. }
  7304. val |= (mode << (lane << 2));
  7305. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7306. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7307. /* A must read */
  7308. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7309. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7310. /* Restart microcode to re-read the new mode */
  7311. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7312. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7313. }
  7314. static void bnx2x_set_limiting_mode(struct link_params *params,
  7315. struct bnx2x_phy *phy,
  7316. u16 edc_mode)
  7317. {
  7318. switch (phy->type) {
  7319. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7320. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7321. break;
  7322. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7323. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7324. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7325. break;
  7326. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7327. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7328. break;
  7329. }
  7330. }
  7331. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7332. struct link_params *params)
  7333. {
  7334. struct bnx2x *bp = params->bp;
  7335. u16 edc_mode;
  7336. int rc = 0;
  7337. u32 val = REG_RD(bp, params->shmem_base +
  7338. offsetof(struct shmem_region, dev_info.
  7339. port_feature_config[params->port].config));
  7340. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7341. params->port);
  7342. /* Power up module */
  7343. bnx2x_power_sfp_module(params, phy, 1);
  7344. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7345. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7346. return -EINVAL;
  7347. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7348. /* check SFP+ module compatibility */
  7349. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7350. rc = -EINVAL;
  7351. /* Turn on fault module-detected led */
  7352. bnx2x_set_sfp_module_fault_led(params,
  7353. MISC_REGISTERS_GPIO_HIGH);
  7354. /* Check if need to power down the SFP+ module */
  7355. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7356. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7357. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7358. bnx2x_power_sfp_module(params, phy, 0);
  7359. return rc;
  7360. }
  7361. } else {
  7362. /* Turn off fault module-detected led */
  7363. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7364. }
  7365. /*
  7366. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7367. * is done automatically
  7368. */
  7369. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7370. /*
  7371. * Enable transmit for this module if the module is approved, or
  7372. * if unapproved modules should also enable the Tx laser
  7373. */
  7374. if (rc == 0 ||
  7375. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7376. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7377. bnx2x_sfp_set_transmitter(params, phy, 1);
  7378. else
  7379. bnx2x_sfp_set_transmitter(params, phy, 0);
  7380. return rc;
  7381. }
  7382. void bnx2x_handle_module_detect_int(struct link_params *params)
  7383. {
  7384. struct bnx2x *bp = params->bp;
  7385. struct bnx2x_phy *phy;
  7386. u32 gpio_val;
  7387. u8 gpio_num, gpio_port;
  7388. if (CHIP_IS_E3(bp))
  7389. phy = &params->phy[INT_PHY];
  7390. else
  7391. phy = &params->phy[EXT_PHY1];
  7392. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7393. params->port, &gpio_num, &gpio_port) ==
  7394. -EINVAL) {
  7395. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7396. return;
  7397. }
  7398. /* Set valid module led off */
  7399. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7400. /* Get current gpio val reflecting module plugged in / out*/
  7401. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7402. /* Call the handling function in case module is detected */
  7403. if (gpio_val == 0) {
  7404. bnx2x_power_sfp_module(params, phy, 1);
  7405. bnx2x_set_gpio_int(bp, gpio_num,
  7406. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7407. gpio_port);
  7408. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7409. bnx2x_sfp_module_detection(phy, params);
  7410. else
  7411. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7412. } else {
  7413. u32 val = REG_RD(bp, params->shmem_base +
  7414. offsetof(struct shmem_region, dev_info.
  7415. port_feature_config[params->port].
  7416. config));
  7417. bnx2x_set_gpio_int(bp, gpio_num,
  7418. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7419. gpio_port);
  7420. /*
  7421. * Module was plugged out.
  7422. * Disable transmit for this module
  7423. */
  7424. phy->media_type = ETH_PHY_NOT_PRESENT;
  7425. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7426. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7427. CHIP_IS_E3(bp))
  7428. bnx2x_sfp_set_transmitter(params, phy, 0);
  7429. }
  7430. }
  7431. /******************************************************************/
  7432. /* Used by 8706 and 8727 */
  7433. /******************************************************************/
  7434. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7435. struct bnx2x_phy *phy,
  7436. u16 alarm_status_offset,
  7437. u16 alarm_ctrl_offset)
  7438. {
  7439. u16 alarm_status, val;
  7440. bnx2x_cl45_read(bp, phy,
  7441. MDIO_PMA_DEVAD, alarm_status_offset,
  7442. &alarm_status);
  7443. bnx2x_cl45_read(bp, phy,
  7444. MDIO_PMA_DEVAD, alarm_status_offset,
  7445. &alarm_status);
  7446. /* Mask or enable the fault event. */
  7447. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7448. if (alarm_status & (1<<0))
  7449. val &= ~(1<<0);
  7450. else
  7451. val |= (1<<0);
  7452. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7453. }
  7454. /******************************************************************/
  7455. /* common BCM8706/BCM8726 PHY SECTION */
  7456. /******************************************************************/
  7457. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7458. struct link_params *params,
  7459. struct link_vars *vars)
  7460. {
  7461. u8 link_up = 0;
  7462. u16 val1, val2, rx_sd, pcs_status;
  7463. struct bnx2x *bp = params->bp;
  7464. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7465. /* Clear RX Alarm*/
  7466. bnx2x_cl45_read(bp, phy,
  7467. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7468. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7469. MDIO_PMA_LASI_TXCTRL);
  7470. /* clear LASI indication*/
  7471. bnx2x_cl45_read(bp, phy,
  7472. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7473. bnx2x_cl45_read(bp, phy,
  7474. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7475. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7476. bnx2x_cl45_read(bp, phy,
  7477. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7478. bnx2x_cl45_read(bp, phy,
  7479. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7480. bnx2x_cl45_read(bp, phy,
  7481. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7482. bnx2x_cl45_read(bp, phy,
  7483. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7484. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7485. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7486. /*
  7487. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7488. * are set, or if the autoneg bit 1 is set
  7489. */
  7490. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7491. if (link_up) {
  7492. if (val2 & (1<<1))
  7493. vars->line_speed = SPEED_1000;
  7494. else
  7495. vars->line_speed = SPEED_10000;
  7496. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7497. vars->duplex = DUPLEX_FULL;
  7498. }
  7499. /* Capture 10G link fault. Read twice to clear stale value. */
  7500. if (vars->line_speed == SPEED_10000) {
  7501. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7502. MDIO_PMA_LASI_TXSTAT, &val1);
  7503. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7504. MDIO_PMA_LASI_TXSTAT, &val1);
  7505. if (val1 & (1<<0))
  7506. vars->fault_detected = 1;
  7507. }
  7508. return link_up;
  7509. }
  7510. /******************************************************************/
  7511. /* BCM8706 PHY SECTION */
  7512. /******************************************************************/
  7513. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7514. struct link_params *params,
  7515. struct link_vars *vars)
  7516. {
  7517. u32 tx_en_mode;
  7518. u16 cnt, val, tmp1;
  7519. struct bnx2x *bp = params->bp;
  7520. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7521. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7522. /* HW reset */
  7523. bnx2x_ext_phy_hw_reset(bp, params->port);
  7524. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7525. bnx2x_wait_reset_complete(bp, phy, params);
  7526. /* Wait until fw is loaded */
  7527. for (cnt = 0; cnt < 100; cnt++) {
  7528. bnx2x_cl45_read(bp, phy,
  7529. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7530. if (val)
  7531. break;
  7532. msleep(10);
  7533. }
  7534. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7535. if ((params->feature_config_flags &
  7536. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7537. u8 i;
  7538. u16 reg;
  7539. for (i = 0; i < 4; i++) {
  7540. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7541. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7542. MDIO_XS_8706_REG_BANK_RX0);
  7543. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7544. /* Clear first 3 bits of the control */
  7545. val &= ~0x7;
  7546. /* Set control bits according to configuration */
  7547. val |= (phy->rx_preemphasis[i] & 0x7);
  7548. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7549. " reg 0x%x <-- val 0x%x\n", reg, val);
  7550. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7551. }
  7552. }
  7553. /* Force speed */
  7554. if (phy->req_line_speed == SPEED_10000) {
  7555. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7556. bnx2x_cl45_write(bp, phy,
  7557. MDIO_PMA_DEVAD,
  7558. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7559. bnx2x_cl45_write(bp, phy,
  7560. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7561. 0);
  7562. /* Arm LASI for link and Tx fault. */
  7563. bnx2x_cl45_write(bp, phy,
  7564. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7565. } else {
  7566. /* Force 1Gbps using autoneg with 1G advertisement */
  7567. /* Allow CL37 through CL73 */
  7568. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7569. bnx2x_cl45_write(bp, phy,
  7570. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7571. /* Enable Full-Duplex advertisement on CL37 */
  7572. bnx2x_cl45_write(bp, phy,
  7573. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7574. /* Enable CL37 AN */
  7575. bnx2x_cl45_write(bp, phy,
  7576. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7577. /* 1G support */
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7580. /* Enable clause 73 AN */
  7581. bnx2x_cl45_write(bp, phy,
  7582. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7583. bnx2x_cl45_write(bp, phy,
  7584. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7585. 0x0400);
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7588. 0x0004);
  7589. }
  7590. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7591. /*
  7592. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7593. * power mode, if TX Laser is disabled
  7594. */
  7595. tx_en_mode = REG_RD(bp, params->shmem_base +
  7596. offsetof(struct shmem_region,
  7597. dev_info.port_hw_config[params->port].sfp_ctrl))
  7598. & PORT_HW_CFG_TX_LASER_MASK;
  7599. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7600. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7601. bnx2x_cl45_read(bp, phy,
  7602. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7603. tmp1 |= 0x1;
  7604. bnx2x_cl45_write(bp, phy,
  7605. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7606. }
  7607. return 0;
  7608. }
  7609. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7610. struct link_params *params,
  7611. struct link_vars *vars)
  7612. {
  7613. return bnx2x_8706_8726_read_status(phy, params, vars);
  7614. }
  7615. /******************************************************************/
  7616. /* BCM8726 PHY SECTION */
  7617. /******************************************************************/
  7618. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7619. struct link_params *params)
  7620. {
  7621. struct bnx2x *bp = params->bp;
  7622. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7623. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7624. }
  7625. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7626. struct link_params *params)
  7627. {
  7628. struct bnx2x *bp = params->bp;
  7629. /* Need to wait 100ms after reset */
  7630. msleep(100);
  7631. /* Micro controller re-boot */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7634. /* Set soft reset */
  7635. bnx2x_cl45_write(bp, phy,
  7636. MDIO_PMA_DEVAD,
  7637. MDIO_PMA_REG_GEN_CTRL,
  7638. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD,
  7641. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7642. bnx2x_cl45_write(bp, phy,
  7643. MDIO_PMA_DEVAD,
  7644. MDIO_PMA_REG_GEN_CTRL,
  7645. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7646. /* wait for 150ms for microcode load */
  7647. msleep(150);
  7648. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7649. bnx2x_cl45_write(bp, phy,
  7650. MDIO_PMA_DEVAD,
  7651. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7652. msleep(200);
  7653. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7654. }
  7655. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7656. struct link_params *params,
  7657. struct link_vars *vars)
  7658. {
  7659. struct bnx2x *bp = params->bp;
  7660. u16 val1;
  7661. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7662. if (link_up) {
  7663. bnx2x_cl45_read(bp, phy,
  7664. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7665. &val1);
  7666. if (val1 & (1<<15)) {
  7667. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7668. link_up = 0;
  7669. vars->line_speed = 0;
  7670. }
  7671. }
  7672. return link_up;
  7673. }
  7674. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7675. struct link_params *params,
  7676. struct link_vars *vars)
  7677. {
  7678. struct bnx2x *bp = params->bp;
  7679. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7680. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7681. bnx2x_wait_reset_complete(bp, phy, params);
  7682. bnx2x_8726_external_rom_boot(phy, params);
  7683. /*
  7684. * Need to call module detected on initialization since the module
  7685. * detection triggered by actual module insertion might occur before
  7686. * driver is loaded, and when driver is loaded, it reset all
  7687. * registers, including the transmitter
  7688. */
  7689. bnx2x_sfp_module_detection(phy, params);
  7690. if (phy->req_line_speed == SPEED_1000) {
  7691. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7692. bnx2x_cl45_write(bp, phy,
  7693. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7698. bnx2x_cl45_write(bp, phy,
  7699. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7700. 0x400);
  7701. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7702. (phy->speed_cap_mask &
  7703. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7704. ((phy->speed_cap_mask &
  7705. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7706. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7707. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7708. /* Set Flow control */
  7709. bnx2x_ext_phy_set_pause(params, phy, vars);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7716. bnx2x_cl45_write(bp, phy,
  7717. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7720. /*
  7721. * Enable RX-ALARM control to receive interrupt for 1G speed
  7722. * change
  7723. */
  7724. bnx2x_cl45_write(bp, phy,
  7725. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7726. bnx2x_cl45_write(bp, phy,
  7727. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7728. 0x400);
  7729. } else { /* Default 10G. Set only LASI control */
  7730. bnx2x_cl45_write(bp, phy,
  7731. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7732. }
  7733. /* Set TX PreEmphasis if needed */
  7734. if ((params->feature_config_flags &
  7735. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7736. DP(NETIF_MSG_LINK,
  7737. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7738. phy->tx_preemphasis[0],
  7739. phy->tx_preemphasis[1]);
  7740. bnx2x_cl45_write(bp, phy,
  7741. MDIO_PMA_DEVAD,
  7742. MDIO_PMA_REG_8726_TX_CTRL1,
  7743. phy->tx_preemphasis[0]);
  7744. bnx2x_cl45_write(bp, phy,
  7745. MDIO_PMA_DEVAD,
  7746. MDIO_PMA_REG_8726_TX_CTRL2,
  7747. phy->tx_preemphasis[1]);
  7748. }
  7749. return 0;
  7750. }
  7751. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7752. struct link_params *params)
  7753. {
  7754. struct bnx2x *bp = params->bp;
  7755. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7756. /* Set serial boot control for external load */
  7757. bnx2x_cl45_write(bp, phy,
  7758. MDIO_PMA_DEVAD,
  7759. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7760. }
  7761. /******************************************************************/
  7762. /* BCM8727 PHY SECTION */
  7763. /******************************************************************/
  7764. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7765. struct link_params *params, u8 mode)
  7766. {
  7767. struct bnx2x *bp = params->bp;
  7768. u16 led_mode_bitmask = 0;
  7769. u16 gpio_pins_bitmask = 0;
  7770. u16 val;
  7771. /* Only NOC flavor requires to set the LED specifically */
  7772. if (!(phy->flags & FLAGS_NOC))
  7773. return;
  7774. switch (mode) {
  7775. case LED_MODE_FRONT_PANEL_OFF:
  7776. case LED_MODE_OFF:
  7777. led_mode_bitmask = 0;
  7778. gpio_pins_bitmask = 0x03;
  7779. break;
  7780. case LED_MODE_ON:
  7781. led_mode_bitmask = 0;
  7782. gpio_pins_bitmask = 0x02;
  7783. break;
  7784. case LED_MODE_OPER:
  7785. led_mode_bitmask = 0x60;
  7786. gpio_pins_bitmask = 0x11;
  7787. break;
  7788. }
  7789. bnx2x_cl45_read(bp, phy,
  7790. MDIO_PMA_DEVAD,
  7791. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7792. &val);
  7793. val &= 0xff8f;
  7794. val |= led_mode_bitmask;
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_PMA_DEVAD,
  7797. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7798. val);
  7799. bnx2x_cl45_read(bp, phy,
  7800. MDIO_PMA_DEVAD,
  7801. MDIO_PMA_REG_8727_GPIO_CTRL,
  7802. &val);
  7803. val &= 0xffe0;
  7804. val |= gpio_pins_bitmask;
  7805. bnx2x_cl45_write(bp, phy,
  7806. MDIO_PMA_DEVAD,
  7807. MDIO_PMA_REG_8727_GPIO_CTRL,
  7808. val);
  7809. }
  7810. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7811. struct link_params *params) {
  7812. u32 swap_val, swap_override;
  7813. u8 port;
  7814. /*
  7815. * The PHY reset is controlled by GPIO 1. Fake the port number
  7816. * to cancel the swap done in set_gpio()
  7817. */
  7818. struct bnx2x *bp = params->bp;
  7819. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7820. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7821. port = (swap_val && swap_override) ^ 1;
  7822. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7823. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7824. }
  7825. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7826. struct link_params *params,
  7827. struct link_vars *vars)
  7828. {
  7829. u32 tx_en_mode;
  7830. u16 tmp1, val, mod_abs, tmp2;
  7831. u16 rx_alarm_ctrl_val;
  7832. u16 lasi_ctrl_val;
  7833. struct bnx2x *bp = params->bp;
  7834. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7835. bnx2x_wait_reset_complete(bp, phy, params);
  7836. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7837. /* Should be 0x6 to enable XS on Tx side. */
  7838. lasi_ctrl_val = 0x0006;
  7839. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7840. /* enable LASI */
  7841. bnx2x_cl45_write(bp, phy,
  7842. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7843. rx_alarm_ctrl_val);
  7844. bnx2x_cl45_write(bp, phy,
  7845. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7846. 0);
  7847. bnx2x_cl45_write(bp, phy,
  7848. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7849. /*
  7850. * Initially configure MOD_ABS to interrupt when module is
  7851. * presence( bit 8)
  7852. */
  7853. bnx2x_cl45_read(bp, phy,
  7854. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7855. /*
  7856. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7857. * When the EDC is off it locks onto a reference clock and avoids
  7858. * becoming 'lost'
  7859. */
  7860. mod_abs &= ~(1<<8);
  7861. if (!(phy->flags & FLAGS_NOC))
  7862. mod_abs &= ~(1<<9);
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7865. /* Enable/Disable PHY transmitter output */
  7866. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7867. /* Make MOD_ABS give interrupt on change */
  7868. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7869. &val);
  7870. val |= (1<<12);
  7871. if (phy->flags & FLAGS_NOC)
  7872. val |= (3<<5);
  7873. /*
  7874. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7875. * status which reflect SFP+ module over-current
  7876. */
  7877. if (!(phy->flags & FLAGS_NOC))
  7878. val &= 0xff8f; /* Reset bits 4-6 */
  7879. bnx2x_cl45_write(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7881. bnx2x_8727_power_module(bp, phy, 1);
  7882. bnx2x_cl45_read(bp, phy,
  7883. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7884. bnx2x_cl45_read(bp, phy,
  7885. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7886. /* Set option 1G speed */
  7887. if (phy->req_line_speed == SPEED_1000) {
  7888. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7891. bnx2x_cl45_write(bp, phy,
  7892. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7893. bnx2x_cl45_read(bp, phy,
  7894. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7895. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7896. /*
  7897. * Power down the XAUI until link is up in case of dual-media
  7898. * and 1G
  7899. */
  7900. if (DUAL_MEDIA(params)) {
  7901. bnx2x_cl45_read(bp, phy,
  7902. MDIO_PMA_DEVAD,
  7903. MDIO_PMA_REG_8727_PCS_GP, &val);
  7904. val |= (3<<10);
  7905. bnx2x_cl45_write(bp, phy,
  7906. MDIO_PMA_DEVAD,
  7907. MDIO_PMA_REG_8727_PCS_GP, val);
  7908. }
  7909. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7910. ((phy->speed_cap_mask &
  7911. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7912. ((phy->speed_cap_mask &
  7913. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7914. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7915. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7916. bnx2x_cl45_write(bp, phy,
  7917. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7920. } else {
  7921. /*
  7922. * Since the 8727 has only single reset pin, need to set the 10G
  7923. * registers although it is default
  7924. */
  7925. bnx2x_cl45_write(bp, phy,
  7926. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7927. 0x0020);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7930. bnx2x_cl45_write(bp, phy,
  7931. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7932. bnx2x_cl45_write(bp, phy,
  7933. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7934. 0x0008);
  7935. }
  7936. /*
  7937. * Set 2-wire transfer rate of SFP+ module EEPROM
  7938. * to 100Khz since some DACs(direct attached cables) do
  7939. * not work at 400Khz.
  7940. */
  7941. bnx2x_cl45_write(bp, phy,
  7942. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7943. 0xa001);
  7944. /* Set TX PreEmphasis if needed */
  7945. if ((params->feature_config_flags &
  7946. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7947. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7948. phy->tx_preemphasis[0],
  7949. phy->tx_preemphasis[1]);
  7950. bnx2x_cl45_write(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7952. phy->tx_preemphasis[0]);
  7953. bnx2x_cl45_write(bp, phy,
  7954. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7955. phy->tx_preemphasis[1]);
  7956. }
  7957. /*
  7958. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7959. * power mode, if TX Laser is disabled
  7960. */
  7961. tx_en_mode = REG_RD(bp, params->shmem_base +
  7962. offsetof(struct shmem_region,
  7963. dev_info.port_hw_config[params->port].sfp_ctrl))
  7964. & PORT_HW_CFG_TX_LASER_MASK;
  7965. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7966. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7967. bnx2x_cl45_read(bp, phy,
  7968. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7969. tmp2 |= 0x1000;
  7970. tmp2 &= 0xFFEF;
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7973. }
  7974. return 0;
  7975. }
  7976. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7977. struct link_params *params)
  7978. {
  7979. struct bnx2x *bp = params->bp;
  7980. u16 mod_abs, rx_alarm_status;
  7981. u32 val = REG_RD(bp, params->shmem_base +
  7982. offsetof(struct shmem_region, dev_info.
  7983. port_feature_config[params->port].
  7984. config));
  7985. bnx2x_cl45_read(bp, phy,
  7986. MDIO_PMA_DEVAD,
  7987. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7988. if (mod_abs & (1<<8)) {
  7989. /* Module is absent */
  7990. DP(NETIF_MSG_LINK,
  7991. "MOD_ABS indication show module is absent\n");
  7992. phy->media_type = ETH_PHY_NOT_PRESENT;
  7993. /*
  7994. * 1. Set mod_abs to detect next module
  7995. * presence event
  7996. * 2. Set EDC off by setting OPTXLOS signal input to low
  7997. * (bit 9).
  7998. * When the EDC is off it locks onto a reference clock and
  7999. * avoids becoming 'lost'.
  8000. */
  8001. mod_abs &= ~(1<<8);
  8002. if (!(phy->flags & FLAGS_NOC))
  8003. mod_abs &= ~(1<<9);
  8004. bnx2x_cl45_write(bp, phy,
  8005. MDIO_PMA_DEVAD,
  8006. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8007. /*
  8008. * Clear RX alarm since it stays up as long as
  8009. * the mod_abs wasn't changed
  8010. */
  8011. bnx2x_cl45_read(bp, phy,
  8012. MDIO_PMA_DEVAD,
  8013. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8014. } else {
  8015. /* Module is present */
  8016. DP(NETIF_MSG_LINK,
  8017. "MOD_ABS indication show module is present\n");
  8018. /*
  8019. * First disable transmitter, and if the module is ok, the
  8020. * module_detection will enable it
  8021. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8022. * 2. Restore the default polarity of the OPRXLOS signal and
  8023. * this signal will then correctly indicate the presence or
  8024. * absence of the Rx signal. (bit 9)
  8025. */
  8026. mod_abs |= (1<<8);
  8027. if (!(phy->flags & FLAGS_NOC))
  8028. mod_abs |= (1<<9);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD,
  8031. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8032. /*
  8033. * Clear RX alarm since it stays up as long as the mod_abs
  8034. * wasn't changed. This is need to be done before calling the
  8035. * module detection, otherwise it will clear* the link update
  8036. * alarm
  8037. */
  8038. bnx2x_cl45_read(bp, phy,
  8039. MDIO_PMA_DEVAD,
  8040. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8041. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8042. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8043. bnx2x_sfp_set_transmitter(params, phy, 0);
  8044. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8045. bnx2x_sfp_module_detection(phy, params);
  8046. else
  8047. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8048. }
  8049. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8050. rx_alarm_status);
  8051. /* No need to check link status in case of module plugged in/out */
  8052. }
  8053. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8054. struct link_params *params,
  8055. struct link_vars *vars)
  8056. {
  8057. struct bnx2x *bp = params->bp;
  8058. u8 link_up = 0, oc_port = params->port;
  8059. u16 link_status = 0;
  8060. u16 rx_alarm_status, lasi_ctrl, val1;
  8061. /* If PHY is not initialized, do not check link status */
  8062. bnx2x_cl45_read(bp, phy,
  8063. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8064. &lasi_ctrl);
  8065. if (!lasi_ctrl)
  8066. return 0;
  8067. /* Check the LASI on Rx */
  8068. bnx2x_cl45_read(bp, phy,
  8069. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8070. &rx_alarm_status);
  8071. vars->line_speed = 0;
  8072. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8073. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8074. MDIO_PMA_LASI_TXCTRL);
  8075. bnx2x_cl45_read(bp, phy,
  8076. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8077. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8078. /* Clear MSG-OUT */
  8079. bnx2x_cl45_read(bp, phy,
  8080. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8081. /*
  8082. * If a module is present and there is need to check
  8083. * for over current
  8084. */
  8085. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8086. /* Check over-current using 8727 GPIO0 input*/
  8087. bnx2x_cl45_read(bp, phy,
  8088. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8089. &val1);
  8090. if ((val1 & (1<<8)) == 0) {
  8091. if (!CHIP_IS_E1x(bp))
  8092. oc_port = BP_PATH(bp) + (params->port << 1);
  8093. DP(NETIF_MSG_LINK,
  8094. "8727 Power fault has been detected on port %d\n",
  8095. oc_port);
  8096. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8097. "been detected and the power to "
  8098. "that SFP+ module has been removed "
  8099. "to prevent failure of the card. "
  8100. "Please remove the SFP+ module and "
  8101. "restart the system to clear this "
  8102. "error.\n",
  8103. oc_port);
  8104. /* Disable all RX_ALARMs except for mod_abs */
  8105. bnx2x_cl45_write(bp, phy,
  8106. MDIO_PMA_DEVAD,
  8107. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8108. bnx2x_cl45_read(bp, phy,
  8109. MDIO_PMA_DEVAD,
  8110. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8111. /* Wait for module_absent_event */
  8112. val1 |= (1<<8);
  8113. bnx2x_cl45_write(bp, phy,
  8114. MDIO_PMA_DEVAD,
  8115. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8116. /* Clear RX alarm */
  8117. bnx2x_cl45_read(bp, phy,
  8118. MDIO_PMA_DEVAD,
  8119. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8120. return 0;
  8121. }
  8122. } /* Over current check */
  8123. /* When module absent bit is set, check module */
  8124. if (rx_alarm_status & (1<<5)) {
  8125. bnx2x_8727_handle_mod_abs(phy, params);
  8126. /* Enable all mod_abs and link detection bits */
  8127. bnx2x_cl45_write(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8129. ((1<<5) | (1<<2)));
  8130. }
  8131. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8132. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8133. /* If transmitter is disabled, ignore false link up indication */
  8134. bnx2x_cl45_read(bp, phy,
  8135. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8136. if (val1 & (1<<15)) {
  8137. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8138. return 0;
  8139. }
  8140. bnx2x_cl45_read(bp, phy,
  8141. MDIO_PMA_DEVAD,
  8142. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8143. /*
  8144. * Bits 0..2 --> speed detected,
  8145. * Bits 13..15--> link is down
  8146. */
  8147. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8148. link_up = 1;
  8149. vars->line_speed = SPEED_10000;
  8150. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8151. params->port);
  8152. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8153. link_up = 1;
  8154. vars->line_speed = SPEED_1000;
  8155. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8156. params->port);
  8157. } else {
  8158. link_up = 0;
  8159. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8160. params->port);
  8161. }
  8162. /* Capture 10G link fault. */
  8163. if (vars->line_speed == SPEED_10000) {
  8164. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8165. MDIO_PMA_LASI_TXSTAT, &val1);
  8166. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8167. MDIO_PMA_LASI_TXSTAT, &val1);
  8168. if (val1 & (1<<0)) {
  8169. vars->fault_detected = 1;
  8170. }
  8171. }
  8172. if (link_up) {
  8173. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8174. vars->duplex = DUPLEX_FULL;
  8175. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8176. }
  8177. if ((DUAL_MEDIA(params)) &&
  8178. (phy->req_line_speed == SPEED_1000)) {
  8179. bnx2x_cl45_read(bp, phy,
  8180. MDIO_PMA_DEVAD,
  8181. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8182. /*
  8183. * In case of dual-media board and 1G, power up the XAUI side,
  8184. * otherwise power it down. For 10G it is done automatically
  8185. */
  8186. if (link_up)
  8187. val1 &= ~(3<<10);
  8188. else
  8189. val1 |= (3<<10);
  8190. bnx2x_cl45_write(bp, phy,
  8191. MDIO_PMA_DEVAD,
  8192. MDIO_PMA_REG_8727_PCS_GP, val1);
  8193. }
  8194. return link_up;
  8195. }
  8196. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8197. struct link_params *params)
  8198. {
  8199. struct bnx2x *bp = params->bp;
  8200. /* Enable/Disable PHY transmitter output */
  8201. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8202. /* Disable Transmitter */
  8203. bnx2x_sfp_set_transmitter(params, phy, 0);
  8204. /* Clear LASI */
  8205. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8206. }
  8207. /******************************************************************/
  8208. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8209. /******************************************************************/
  8210. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8211. struct bnx2x *bp,
  8212. u8 port)
  8213. {
  8214. u16 val, fw_ver1, fw_ver2, cnt;
  8215. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8216. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8217. bnx2x_save_spirom_version(bp, port,
  8218. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8219. phy->ver_addr);
  8220. } else {
  8221. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8222. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8223. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8224. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8225. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8226. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8227. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8228. for (cnt = 0; cnt < 100; cnt++) {
  8229. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8230. if (val & 1)
  8231. break;
  8232. udelay(5);
  8233. }
  8234. if (cnt == 100) {
  8235. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8236. "phy fw version(1)\n");
  8237. bnx2x_save_spirom_version(bp, port, 0,
  8238. phy->ver_addr);
  8239. return;
  8240. }
  8241. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8242. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8243. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8244. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8245. for (cnt = 0; cnt < 100; cnt++) {
  8246. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8247. if (val & 1)
  8248. break;
  8249. udelay(5);
  8250. }
  8251. if (cnt == 100) {
  8252. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8253. "version(2)\n");
  8254. bnx2x_save_spirom_version(bp, port, 0,
  8255. phy->ver_addr);
  8256. return;
  8257. }
  8258. /* lower 16 bits of the register SPI_FW_STATUS */
  8259. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8260. /* upper 16 bits of register SPI_FW_STATUS */
  8261. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8262. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8263. phy->ver_addr);
  8264. }
  8265. }
  8266. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8267. struct bnx2x_phy *phy)
  8268. {
  8269. u16 val, offset;
  8270. /* PHYC_CTL_LED_CTL */
  8271. bnx2x_cl45_read(bp, phy,
  8272. MDIO_PMA_DEVAD,
  8273. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8274. val &= 0xFE00;
  8275. val |= 0x0092;
  8276. bnx2x_cl45_write(bp, phy,
  8277. MDIO_PMA_DEVAD,
  8278. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8279. bnx2x_cl45_write(bp, phy,
  8280. MDIO_PMA_DEVAD,
  8281. MDIO_PMA_REG_8481_LED1_MASK,
  8282. 0x80);
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_8481_LED2_MASK,
  8286. 0x18);
  8287. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8288. bnx2x_cl45_write(bp, phy,
  8289. MDIO_PMA_DEVAD,
  8290. MDIO_PMA_REG_8481_LED3_MASK,
  8291. 0x0006);
  8292. /* Select the closest activity blink rate to that in 10/100/1000 */
  8293. bnx2x_cl45_write(bp, phy,
  8294. MDIO_PMA_DEVAD,
  8295. MDIO_PMA_REG_8481_LED3_BLINK,
  8296. 0);
  8297. /* Configure the blink rate to ~15.9 Hz */
  8298. bnx2x_cl45_write(bp, phy,
  8299. MDIO_PMA_DEVAD,
  8300. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8301. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8302. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8303. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8304. else
  8305. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8306. bnx2x_cl45_read(bp, phy,
  8307. MDIO_PMA_DEVAD, offset, &val);
  8308. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8309. bnx2x_cl45_write(bp, phy,
  8310. MDIO_PMA_DEVAD, offset, val);
  8311. /* 'Interrupt Mask' */
  8312. bnx2x_cl45_write(bp, phy,
  8313. MDIO_AN_DEVAD,
  8314. 0xFFFB, 0xFFFD);
  8315. }
  8316. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8317. struct link_params *params,
  8318. struct link_vars *vars)
  8319. {
  8320. struct bnx2x *bp = params->bp;
  8321. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8322. u16 tmp_req_line_speed;
  8323. tmp_req_line_speed = phy->req_line_speed;
  8324. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8325. if (phy->req_line_speed == SPEED_10000)
  8326. phy->req_line_speed = SPEED_AUTO_NEG;
  8327. } else {
  8328. /* Save spirom version */
  8329. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8330. }
  8331. /*
  8332. * This phy uses the NIG latch mechanism since link indication
  8333. * arrives through its LED4 and not via its LASI signal, so we
  8334. * get steady signal instead of clear on read
  8335. */
  8336. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8337. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8338. bnx2x_cl45_write(bp, phy,
  8339. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8340. bnx2x_848xx_set_led(bp, phy);
  8341. /* set 1000 speed advertisement */
  8342. bnx2x_cl45_read(bp, phy,
  8343. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8344. &an_1000_val);
  8345. bnx2x_ext_phy_set_pause(params, phy, vars);
  8346. bnx2x_cl45_read(bp, phy,
  8347. MDIO_AN_DEVAD,
  8348. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8349. &an_10_100_val);
  8350. bnx2x_cl45_read(bp, phy,
  8351. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8352. &autoneg_val);
  8353. /* Disable forced speed */
  8354. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8355. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8356. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8357. (phy->speed_cap_mask &
  8358. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8359. (phy->req_line_speed == SPEED_1000)) {
  8360. an_1000_val |= (1<<8);
  8361. autoneg_val |= (1<<9 | 1<<12);
  8362. if (phy->req_duplex == DUPLEX_FULL)
  8363. an_1000_val |= (1<<9);
  8364. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8365. } else
  8366. an_1000_val &= ~((1<<8) | (1<<9));
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8369. an_1000_val);
  8370. /* set 100 speed advertisement */
  8371. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8372. (phy->speed_cap_mask &
  8373. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8374. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8375. an_10_100_val |= (1<<7);
  8376. /* Enable autoneg and restart autoneg for legacy speeds */
  8377. autoneg_val |= (1<<9 | 1<<12);
  8378. if (phy->req_duplex == DUPLEX_FULL)
  8379. an_10_100_val |= (1<<8);
  8380. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8381. }
  8382. /* set 10 speed advertisement */
  8383. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8384. (phy->speed_cap_mask &
  8385. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8386. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8387. (phy->supported &
  8388. (SUPPORTED_10baseT_Half |
  8389. SUPPORTED_10baseT_Full)))) {
  8390. an_10_100_val |= (1<<5);
  8391. autoneg_val |= (1<<9 | 1<<12);
  8392. if (phy->req_duplex == DUPLEX_FULL)
  8393. an_10_100_val |= (1<<6);
  8394. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8395. }
  8396. /* Only 10/100 are allowed to work in FORCE mode */
  8397. if ((phy->req_line_speed == SPEED_100) &&
  8398. (phy->supported &
  8399. (SUPPORTED_100baseT_Half |
  8400. SUPPORTED_100baseT_Full))) {
  8401. autoneg_val |= (1<<13);
  8402. /* Enabled AUTO-MDIX when autoneg is disabled */
  8403. bnx2x_cl45_write(bp, phy,
  8404. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8405. (1<<15 | 1<<9 | 7<<0));
  8406. /* The PHY needs this set even for forced link. */
  8407. an_10_100_val |= (1<<8) | (1<<7);
  8408. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8409. }
  8410. if ((phy->req_line_speed == SPEED_10) &&
  8411. (phy->supported &
  8412. (SUPPORTED_10baseT_Half |
  8413. SUPPORTED_10baseT_Full))) {
  8414. /* Enabled AUTO-MDIX when autoneg is disabled */
  8415. bnx2x_cl45_write(bp, phy,
  8416. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8417. (1<<15 | 1<<9 | 7<<0));
  8418. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8419. }
  8420. bnx2x_cl45_write(bp, phy,
  8421. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8422. an_10_100_val);
  8423. if (phy->req_duplex == DUPLEX_FULL)
  8424. autoneg_val |= (1<<8);
  8425. /*
  8426. * Always write this if this is not 84833.
  8427. * For 84833, write it only when it's a forced speed.
  8428. */
  8429. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8430. ((autoneg_val & (1<<12)) == 0))
  8431. bnx2x_cl45_write(bp, phy,
  8432. MDIO_AN_DEVAD,
  8433. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8434. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8435. (phy->speed_cap_mask &
  8436. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8437. (phy->req_line_speed == SPEED_10000)) {
  8438. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8439. /* Restart autoneg for 10G*/
  8440. bnx2x_cl45_read(bp, phy,
  8441. MDIO_AN_DEVAD,
  8442. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8443. &an_10g_val);
  8444. bnx2x_cl45_write(bp, phy,
  8445. MDIO_AN_DEVAD,
  8446. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8447. an_10g_val | 0x1000);
  8448. bnx2x_cl45_write(bp, phy,
  8449. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8450. 0x3200);
  8451. } else
  8452. bnx2x_cl45_write(bp, phy,
  8453. MDIO_AN_DEVAD,
  8454. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8455. 1);
  8456. phy->req_line_speed = tmp_req_line_speed;
  8457. return 0;
  8458. }
  8459. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8460. struct link_params *params,
  8461. struct link_vars *vars)
  8462. {
  8463. struct bnx2x *bp = params->bp;
  8464. /* Restore normal power mode*/
  8465. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8466. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8467. /* HW reset */
  8468. bnx2x_ext_phy_hw_reset(bp, params->port);
  8469. bnx2x_wait_reset_complete(bp, phy, params);
  8470. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8471. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8472. }
  8473. #define PHY84833_CMDHDLR_WAIT 300
  8474. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8475. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8476. struct link_params *params,
  8477. u16 fw_cmd,
  8478. u16 cmd_args[])
  8479. {
  8480. u32 idx;
  8481. u16 val;
  8482. struct bnx2x *bp = params->bp;
  8483. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8484. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8485. MDIO_84833_CMD_HDLR_STATUS,
  8486. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8487. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8488. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8489. MDIO_84833_CMD_HDLR_STATUS, &val);
  8490. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8491. break;
  8492. msleep(1);
  8493. }
  8494. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8495. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8496. return -EINVAL;
  8497. }
  8498. /* Prepare argument(s) and issue command */
  8499. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8500. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8501. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8502. cmd_args[idx]);
  8503. }
  8504. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8505. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8506. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8507. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8508. MDIO_84833_CMD_HDLR_STATUS, &val);
  8509. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8510. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8511. break;
  8512. msleep(1);
  8513. }
  8514. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8515. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8516. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8517. return -EINVAL;
  8518. }
  8519. /* Gather returning data */
  8520. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8521. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8522. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8523. &cmd_args[idx]);
  8524. }
  8525. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8526. MDIO_84833_CMD_HDLR_STATUS,
  8527. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8528. return 0;
  8529. }
  8530. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8531. struct link_params *params,
  8532. struct link_vars *vars)
  8533. {
  8534. u32 pair_swap;
  8535. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8536. int status;
  8537. struct bnx2x *bp = params->bp;
  8538. /* Check for configuration. */
  8539. pair_swap = REG_RD(bp, params->shmem_base +
  8540. offsetof(struct shmem_region,
  8541. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8542. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8543. if (pair_swap == 0)
  8544. return 0;
  8545. /* Only the second argument is used for this command */
  8546. data[1] = (u16)pair_swap;
  8547. status = bnx2x_84833_cmd_hdlr(phy, params,
  8548. PHY84833_CMD_SET_PAIR_SWAP, data);
  8549. if (status == 0)
  8550. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8551. return status;
  8552. }
  8553. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8554. u32 shmem_base_path[],
  8555. u32 chip_id)
  8556. {
  8557. u32 reset_pin[2];
  8558. u32 idx;
  8559. u8 reset_gpios;
  8560. if (CHIP_IS_E3(bp)) {
  8561. /* Assume that these will be GPIOs, not EPIOs. */
  8562. for (idx = 0; idx < 2; idx++) {
  8563. /* Map config param to register bit. */
  8564. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8565. offsetof(struct shmem_region,
  8566. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8567. reset_pin[idx] = (reset_pin[idx] &
  8568. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8569. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8570. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8571. reset_pin[idx] = (1 << reset_pin[idx]);
  8572. }
  8573. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8574. } else {
  8575. /* E2, look from diff place of shmem. */
  8576. for (idx = 0; idx < 2; idx++) {
  8577. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8578. offsetof(struct shmem_region,
  8579. dev_info.port_hw_config[0].default_cfg));
  8580. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8581. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8582. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8583. reset_pin[idx] = (1 << reset_pin[idx]);
  8584. }
  8585. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8586. }
  8587. return reset_gpios;
  8588. }
  8589. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8590. struct link_params *params)
  8591. {
  8592. struct bnx2x *bp = params->bp;
  8593. u8 reset_gpios;
  8594. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8595. offsetof(struct shmem2_region,
  8596. other_shmem_base_addr));
  8597. u32 shmem_base_path[2];
  8598. shmem_base_path[0] = params->shmem_base;
  8599. shmem_base_path[1] = other_shmem_base_addr;
  8600. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8601. params->chip_id);
  8602. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8603. udelay(10);
  8604. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8605. reset_gpios);
  8606. return 0;
  8607. }
  8608. #define PHY84833_CONSTANT_LATENCY 1193
  8609. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8610. struct link_params *params,
  8611. struct link_vars *vars)
  8612. {
  8613. struct bnx2x *bp = params->bp;
  8614. u8 port, initialize = 1;
  8615. u16 val;
  8616. u32 actual_phy_selection, cms_enable;
  8617. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8618. int rc = 0;
  8619. msleep(1);
  8620. if (!(CHIP_IS_E1(bp)))
  8621. port = BP_PATH(bp);
  8622. else
  8623. port = params->port;
  8624. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8625. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8626. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8627. port);
  8628. } else {
  8629. /* MDIO reset */
  8630. bnx2x_cl45_write(bp, phy,
  8631. MDIO_PMA_DEVAD,
  8632. MDIO_PMA_REG_CTRL, 0x8000);
  8633. }
  8634. bnx2x_wait_reset_complete(bp, phy, params);
  8635. /* Wait for GPHY to come out of reset */
  8636. msleep(50);
  8637. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8638. /*
  8639. * BCM84823 requires that XGXS links up first @ 10G for normal
  8640. * behavior.
  8641. */
  8642. u16 temp;
  8643. temp = vars->line_speed;
  8644. vars->line_speed = SPEED_10000;
  8645. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8646. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8647. vars->line_speed = temp;
  8648. }
  8649. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8650. MDIO_CTL_REG_84823_MEDIA, &val);
  8651. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8652. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8653. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8654. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8655. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8656. if (CHIP_IS_E3(bp)) {
  8657. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8658. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8659. } else {
  8660. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8661. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8662. }
  8663. actual_phy_selection = bnx2x_phy_selection(params);
  8664. switch (actual_phy_selection) {
  8665. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8666. /* Do nothing. Essentially this is like the priority copper */
  8667. break;
  8668. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8669. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8670. break;
  8671. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8672. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8673. break;
  8674. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8675. /* Do nothing here. The first PHY won't be initialized at all */
  8676. break;
  8677. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8678. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8679. initialize = 0;
  8680. break;
  8681. }
  8682. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8683. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8684. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8685. MDIO_CTL_REG_84823_MEDIA, val);
  8686. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8687. params->multi_phy_config, val);
  8688. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8689. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8690. /* Keep AutogrEEEn disabled. */
  8691. cmd_args[0] = 0x0;
  8692. cmd_args[1] = 0x0;
  8693. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8694. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8695. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8696. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8697. if (rc != 0)
  8698. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8699. }
  8700. if (initialize)
  8701. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8702. else
  8703. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8704. /* 84833 PHY has a better feature and doesn't need to support this. */
  8705. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8706. cms_enable = REG_RD(bp, params->shmem_base +
  8707. offsetof(struct shmem_region,
  8708. dev_info.port_hw_config[params->port].default_cfg)) &
  8709. PORT_HW_CFG_ENABLE_CMS_MASK;
  8710. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8711. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8712. if (cms_enable)
  8713. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8714. else
  8715. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8716. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8717. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8718. }
  8719. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8720. /* Bring PHY out of super isolate mode as the final step. */
  8721. bnx2x_cl45_read(bp, phy,
  8722. MDIO_CTL_DEVAD,
  8723. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8724. val &= ~MDIO_84833_SUPER_ISOLATE;
  8725. bnx2x_cl45_write(bp, phy,
  8726. MDIO_CTL_DEVAD,
  8727. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8728. }
  8729. return rc;
  8730. }
  8731. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8732. struct link_params *params,
  8733. struct link_vars *vars)
  8734. {
  8735. struct bnx2x *bp = params->bp;
  8736. u16 val, val1, val2;
  8737. u8 link_up = 0;
  8738. /* Check 10G-BaseT link status */
  8739. /* Check PMD signal ok */
  8740. bnx2x_cl45_read(bp, phy,
  8741. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8742. bnx2x_cl45_read(bp, phy,
  8743. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8744. &val2);
  8745. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8746. /* Check link 10G */
  8747. if (val2 & (1<<11)) {
  8748. vars->line_speed = SPEED_10000;
  8749. vars->duplex = DUPLEX_FULL;
  8750. link_up = 1;
  8751. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8752. } else { /* Check Legacy speed link */
  8753. u16 legacy_status, legacy_speed;
  8754. /* Enable expansion register 0x42 (Operation mode status) */
  8755. bnx2x_cl45_write(bp, phy,
  8756. MDIO_AN_DEVAD,
  8757. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8758. /* Get legacy speed operation status */
  8759. bnx2x_cl45_read(bp, phy,
  8760. MDIO_AN_DEVAD,
  8761. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8762. &legacy_status);
  8763. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8764. legacy_status);
  8765. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8766. if (link_up) {
  8767. legacy_speed = (legacy_status & (3<<9));
  8768. if (legacy_speed == (0<<9))
  8769. vars->line_speed = SPEED_10;
  8770. else if (legacy_speed == (1<<9))
  8771. vars->line_speed = SPEED_100;
  8772. else if (legacy_speed == (2<<9))
  8773. vars->line_speed = SPEED_1000;
  8774. else /* Should not happen */
  8775. vars->line_speed = 0;
  8776. if (legacy_status & (1<<8))
  8777. vars->duplex = DUPLEX_FULL;
  8778. else
  8779. vars->duplex = DUPLEX_HALF;
  8780. DP(NETIF_MSG_LINK,
  8781. "Link is up in %dMbps, is_duplex_full= %d\n",
  8782. vars->line_speed,
  8783. (vars->duplex == DUPLEX_FULL));
  8784. /* Check legacy speed AN resolution */
  8785. bnx2x_cl45_read(bp, phy,
  8786. MDIO_AN_DEVAD,
  8787. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8788. &val);
  8789. if (val & (1<<5))
  8790. vars->link_status |=
  8791. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8792. bnx2x_cl45_read(bp, phy,
  8793. MDIO_AN_DEVAD,
  8794. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8795. &val);
  8796. if ((val & (1<<0)) == 0)
  8797. vars->link_status |=
  8798. LINK_STATUS_PARALLEL_DETECTION_USED;
  8799. }
  8800. }
  8801. if (link_up) {
  8802. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8803. vars->line_speed);
  8804. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8805. }
  8806. return link_up;
  8807. }
  8808. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8809. {
  8810. int status = 0;
  8811. u32 spirom_ver;
  8812. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8813. status = bnx2x_format_ver(spirom_ver, str, len);
  8814. return status;
  8815. }
  8816. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8817. struct link_params *params)
  8818. {
  8819. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8820. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8821. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8822. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8823. }
  8824. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8825. struct link_params *params)
  8826. {
  8827. bnx2x_cl45_write(params->bp, phy,
  8828. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8829. bnx2x_cl45_write(params->bp, phy,
  8830. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8831. }
  8832. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8833. struct link_params *params)
  8834. {
  8835. struct bnx2x *bp = params->bp;
  8836. u8 port;
  8837. u16 val16;
  8838. if (!(CHIP_IS_E1(bp)))
  8839. port = BP_PATH(bp);
  8840. else
  8841. port = params->port;
  8842. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8843. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8844. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8845. port);
  8846. } else {
  8847. bnx2x_cl45_read(bp, phy,
  8848. MDIO_CTL_DEVAD,
  8849. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8850. val16 |= MDIO_84833_SUPER_ISOLATE;
  8851. bnx2x_cl45_write(bp, phy,
  8852. MDIO_CTL_DEVAD,
  8853. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8854. }
  8855. }
  8856. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8857. struct link_params *params, u8 mode)
  8858. {
  8859. struct bnx2x *bp = params->bp;
  8860. u16 val;
  8861. u8 port;
  8862. if (!(CHIP_IS_E1(bp)))
  8863. port = BP_PATH(bp);
  8864. else
  8865. port = params->port;
  8866. switch (mode) {
  8867. case LED_MODE_OFF:
  8868. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8869. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8870. SHARED_HW_CFG_LED_EXTPHY1) {
  8871. /* Set LED masks */
  8872. bnx2x_cl45_write(bp, phy,
  8873. MDIO_PMA_DEVAD,
  8874. MDIO_PMA_REG_8481_LED1_MASK,
  8875. 0x0);
  8876. bnx2x_cl45_write(bp, phy,
  8877. MDIO_PMA_DEVAD,
  8878. MDIO_PMA_REG_8481_LED2_MASK,
  8879. 0x0);
  8880. bnx2x_cl45_write(bp, phy,
  8881. MDIO_PMA_DEVAD,
  8882. MDIO_PMA_REG_8481_LED3_MASK,
  8883. 0x0);
  8884. bnx2x_cl45_write(bp, phy,
  8885. MDIO_PMA_DEVAD,
  8886. MDIO_PMA_REG_8481_LED5_MASK,
  8887. 0x0);
  8888. } else {
  8889. bnx2x_cl45_write(bp, phy,
  8890. MDIO_PMA_DEVAD,
  8891. MDIO_PMA_REG_8481_LED1_MASK,
  8892. 0x0);
  8893. }
  8894. break;
  8895. case LED_MODE_FRONT_PANEL_OFF:
  8896. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8897. port);
  8898. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8899. SHARED_HW_CFG_LED_EXTPHY1) {
  8900. /* Set LED masks */
  8901. bnx2x_cl45_write(bp, phy,
  8902. MDIO_PMA_DEVAD,
  8903. MDIO_PMA_REG_8481_LED1_MASK,
  8904. 0x0);
  8905. bnx2x_cl45_write(bp, phy,
  8906. MDIO_PMA_DEVAD,
  8907. MDIO_PMA_REG_8481_LED2_MASK,
  8908. 0x0);
  8909. bnx2x_cl45_write(bp, phy,
  8910. MDIO_PMA_DEVAD,
  8911. MDIO_PMA_REG_8481_LED3_MASK,
  8912. 0x0);
  8913. bnx2x_cl45_write(bp, phy,
  8914. MDIO_PMA_DEVAD,
  8915. MDIO_PMA_REG_8481_LED5_MASK,
  8916. 0x20);
  8917. } else {
  8918. bnx2x_cl45_write(bp, phy,
  8919. MDIO_PMA_DEVAD,
  8920. MDIO_PMA_REG_8481_LED1_MASK,
  8921. 0x0);
  8922. }
  8923. break;
  8924. case LED_MODE_ON:
  8925. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8926. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8927. SHARED_HW_CFG_LED_EXTPHY1) {
  8928. /* Set control reg */
  8929. bnx2x_cl45_read(bp, phy,
  8930. MDIO_PMA_DEVAD,
  8931. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8932. &val);
  8933. val &= 0x8000;
  8934. val |= 0x2492;
  8935. bnx2x_cl45_write(bp, phy,
  8936. MDIO_PMA_DEVAD,
  8937. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8938. val);
  8939. /* Set LED masks */
  8940. bnx2x_cl45_write(bp, phy,
  8941. MDIO_PMA_DEVAD,
  8942. MDIO_PMA_REG_8481_LED1_MASK,
  8943. 0x0);
  8944. bnx2x_cl45_write(bp, phy,
  8945. MDIO_PMA_DEVAD,
  8946. MDIO_PMA_REG_8481_LED2_MASK,
  8947. 0x20);
  8948. bnx2x_cl45_write(bp, phy,
  8949. MDIO_PMA_DEVAD,
  8950. MDIO_PMA_REG_8481_LED3_MASK,
  8951. 0x20);
  8952. bnx2x_cl45_write(bp, phy,
  8953. MDIO_PMA_DEVAD,
  8954. MDIO_PMA_REG_8481_LED5_MASK,
  8955. 0x0);
  8956. } else {
  8957. bnx2x_cl45_write(bp, phy,
  8958. MDIO_PMA_DEVAD,
  8959. MDIO_PMA_REG_8481_LED1_MASK,
  8960. 0x20);
  8961. }
  8962. break;
  8963. case LED_MODE_OPER:
  8964. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8965. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8966. SHARED_HW_CFG_LED_EXTPHY1) {
  8967. /* Set control reg */
  8968. bnx2x_cl45_read(bp, phy,
  8969. MDIO_PMA_DEVAD,
  8970. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8971. &val);
  8972. if (!((val &
  8973. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8974. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8975. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8976. bnx2x_cl45_write(bp, phy,
  8977. MDIO_PMA_DEVAD,
  8978. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8979. 0xa492);
  8980. }
  8981. /* Set LED masks */
  8982. bnx2x_cl45_write(bp, phy,
  8983. MDIO_PMA_DEVAD,
  8984. MDIO_PMA_REG_8481_LED1_MASK,
  8985. 0x10);
  8986. bnx2x_cl45_write(bp, phy,
  8987. MDIO_PMA_DEVAD,
  8988. MDIO_PMA_REG_8481_LED2_MASK,
  8989. 0x80);
  8990. bnx2x_cl45_write(bp, phy,
  8991. MDIO_PMA_DEVAD,
  8992. MDIO_PMA_REG_8481_LED3_MASK,
  8993. 0x98);
  8994. bnx2x_cl45_write(bp, phy,
  8995. MDIO_PMA_DEVAD,
  8996. MDIO_PMA_REG_8481_LED5_MASK,
  8997. 0x40);
  8998. } else {
  8999. bnx2x_cl45_write(bp, phy,
  9000. MDIO_PMA_DEVAD,
  9001. MDIO_PMA_REG_8481_LED1_MASK,
  9002. 0x80);
  9003. /* Tell LED3 to blink on source */
  9004. bnx2x_cl45_read(bp, phy,
  9005. MDIO_PMA_DEVAD,
  9006. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9007. &val);
  9008. val &= ~(7<<6);
  9009. val |= (1<<6); /* A83B[8:6]= 1 */
  9010. bnx2x_cl45_write(bp, phy,
  9011. MDIO_PMA_DEVAD,
  9012. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9013. val);
  9014. }
  9015. break;
  9016. }
  9017. /*
  9018. * This is a workaround for E3+84833 until autoneg
  9019. * restart is fixed in f/w
  9020. */
  9021. if (CHIP_IS_E3(bp)) {
  9022. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9023. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9024. }
  9025. }
  9026. /******************************************************************/
  9027. /* 54618SE PHY SECTION */
  9028. /******************************************************************/
  9029. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9030. struct link_params *params,
  9031. struct link_vars *vars)
  9032. {
  9033. struct bnx2x *bp = params->bp;
  9034. u8 port;
  9035. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9036. u32 cfg_pin;
  9037. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9038. usleep_range(1000, 1000);
  9039. /*
  9040. * This works with E3 only, no need to check the chip
  9041. * before determining the port.
  9042. */
  9043. port = params->port;
  9044. cfg_pin = (REG_RD(bp, params->shmem_base +
  9045. offsetof(struct shmem_region,
  9046. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9047. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9048. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9049. /* Drive pin high to bring the GPHY out of reset. */
  9050. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9051. /* wait for GPHY to reset */
  9052. msleep(50);
  9053. /* reset phy */
  9054. bnx2x_cl22_write(bp, phy,
  9055. MDIO_PMA_REG_CTRL, 0x8000);
  9056. bnx2x_wait_reset_complete(bp, phy, params);
  9057. /*wait for GPHY to reset */
  9058. msleep(50);
  9059. /* Configure LED4: set to INTR (0x6). */
  9060. /* Accessing shadow register 0xe. */
  9061. bnx2x_cl22_write(bp, phy,
  9062. MDIO_REG_GPHY_SHADOW,
  9063. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9064. bnx2x_cl22_read(bp, phy,
  9065. MDIO_REG_GPHY_SHADOW,
  9066. &temp);
  9067. temp &= ~(0xf << 4);
  9068. temp |= (0x6 << 4);
  9069. bnx2x_cl22_write(bp, phy,
  9070. MDIO_REG_GPHY_SHADOW,
  9071. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9072. /* Configure INTR based on link status change. */
  9073. bnx2x_cl22_write(bp, phy,
  9074. MDIO_REG_INTR_MASK,
  9075. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9076. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9077. bnx2x_cl22_write(bp, phy,
  9078. MDIO_REG_GPHY_SHADOW,
  9079. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9080. bnx2x_cl22_read(bp, phy,
  9081. MDIO_REG_GPHY_SHADOW,
  9082. &temp);
  9083. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9084. bnx2x_cl22_write(bp, phy,
  9085. MDIO_REG_GPHY_SHADOW,
  9086. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9087. /* Set up fc */
  9088. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9089. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9090. fc_val = 0;
  9091. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9092. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9093. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9094. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9095. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9096. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9097. /* read all advertisement */
  9098. bnx2x_cl22_read(bp, phy,
  9099. 0x09,
  9100. &an_1000_val);
  9101. bnx2x_cl22_read(bp, phy,
  9102. 0x04,
  9103. &an_10_100_val);
  9104. bnx2x_cl22_read(bp, phy,
  9105. MDIO_PMA_REG_CTRL,
  9106. &autoneg_val);
  9107. /* Disable forced speed */
  9108. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9109. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9110. (1<<11));
  9111. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9112. (phy->speed_cap_mask &
  9113. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9114. (phy->req_line_speed == SPEED_1000)) {
  9115. an_1000_val |= (1<<8);
  9116. autoneg_val |= (1<<9 | 1<<12);
  9117. if (phy->req_duplex == DUPLEX_FULL)
  9118. an_1000_val |= (1<<9);
  9119. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9120. } else
  9121. an_1000_val &= ~((1<<8) | (1<<9));
  9122. bnx2x_cl22_write(bp, phy,
  9123. 0x09,
  9124. an_1000_val);
  9125. bnx2x_cl22_read(bp, phy,
  9126. 0x09,
  9127. &an_1000_val);
  9128. /* set 100 speed advertisement */
  9129. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9130. (phy->speed_cap_mask &
  9131. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9132. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9133. an_10_100_val |= (1<<7);
  9134. /* Enable autoneg and restart autoneg for legacy speeds */
  9135. autoneg_val |= (1<<9 | 1<<12);
  9136. if (phy->req_duplex == DUPLEX_FULL)
  9137. an_10_100_val |= (1<<8);
  9138. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9139. }
  9140. /* set 10 speed advertisement */
  9141. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9142. (phy->speed_cap_mask &
  9143. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9144. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9145. an_10_100_val |= (1<<5);
  9146. autoneg_val |= (1<<9 | 1<<12);
  9147. if (phy->req_duplex == DUPLEX_FULL)
  9148. an_10_100_val |= (1<<6);
  9149. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9150. }
  9151. /* Only 10/100 are allowed to work in FORCE mode */
  9152. if (phy->req_line_speed == SPEED_100) {
  9153. autoneg_val |= (1<<13);
  9154. /* Enabled AUTO-MDIX when autoneg is disabled */
  9155. bnx2x_cl22_write(bp, phy,
  9156. 0x18,
  9157. (1<<15 | 1<<9 | 7<<0));
  9158. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9159. }
  9160. if (phy->req_line_speed == SPEED_10) {
  9161. /* Enabled AUTO-MDIX when autoneg is disabled */
  9162. bnx2x_cl22_write(bp, phy,
  9163. 0x18,
  9164. (1<<15 | 1<<9 | 7<<0));
  9165. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9166. }
  9167. /* Check if we should turn on Auto-GrEEEn */
  9168. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9169. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9170. if (params->feature_config_flags &
  9171. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9172. temp = 6;
  9173. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9174. } else {
  9175. temp = 0;
  9176. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9177. }
  9178. bnx2x_cl22_write(bp, phy,
  9179. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9180. bnx2x_cl22_write(bp, phy,
  9181. MDIO_REG_GPHY_CL45_DATA_REG,
  9182. MDIO_REG_GPHY_EEE_ADV);
  9183. bnx2x_cl22_write(bp, phy,
  9184. MDIO_REG_GPHY_CL45_ADDR_REG,
  9185. (0x1 << 14) | MDIO_AN_DEVAD);
  9186. bnx2x_cl22_write(bp, phy,
  9187. MDIO_REG_GPHY_CL45_DATA_REG,
  9188. temp);
  9189. }
  9190. bnx2x_cl22_write(bp, phy,
  9191. 0x04,
  9192. an_10_100_val | fc_val);
  9193. if (phy->req_duplex == DUPLEX_FULL)
  9194. autoneg_val |= (1<<8);
  9195. bnx2x_cl22_write(bp, phy,
  9196. MDIO_PMA_REG_CTRL, autoneg_val);
  9197. return 0;
  9198. }
  9199. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9200. struct link_params *params, u8 mode)
  9201. {
  9202. struct bnx2x *bp = params->bp;
  9203. u16 temp;
  9204. bnx2x_cl22_write(bp, phy,
  9205. MDIO_REG_GPHY_SHADOW,
  9206. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9207. bnx2x_cl22_read(bp, phy,
  9208. MDIO_REG_GPHY_SHADOW,
  9209. &temp);
  9210. temp &= 0xff00;
  9211. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9212. switch (mode) {
  9213. case LED_MODE_FRONT_PANEL_OFF:
  9214. case LED_MODE_OFF:
  9215. temp |= 0x00ee;
  9216. break;
  9217. case LED_MODE_OPER:
  9218. temp |= 0x0001;
  9219. break;
  9220. case LED_MODE_ON:
  9221. temp |= 0x00ff;
  9222. break;
  9223. default:
  9224. break;
  9225. }
  9226. bnx2x_cl22_write(bp, phy,
  9227. MDIO_REG_GPHY_SHADOW,
  9228. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9229. return;
  9230. }
  9231. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9232. struct link_params *params)
  9233. {
  9234. struct bnx2x *bp = params->bp;
  9235. u32 cfg_pin;
  9236. u8 port;
  9237. /*
  9238. * In case of no EPIO routed to reset the GPHY, put it
  9239. * in low power mode.
  9240. */
  9241. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9242. /*
  9243. * This works with E3 only, no need to check the chip
  9244. * before determining the port.
  9245. */
  9246. port = params->port;
  9247. cfg_pin = (REG_RD(bp, params->shmem_base +
  9248. offsetof(struct shmem_region,
  9249. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9250. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9251. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9252. /* Drive pin low to put GPHY in reset. */
  9253. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9254. }
  9255. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9256. struct link_params *params,
  9257. struct link_vars *vars)
  9258. {
  9259. struct bnx2x *bp = params->bp;
  9260. u16 val;
  9261. u8 link_up = 0;
  9262. u16 legacy_status, legacy_speed;
  9263. /* Get speed operation status */
  9264. bnx2x_cl22_read(bp, phy,
  9265. 0x19,
  9266. &legacy_status);
  9267. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9268. /* Read status to clear the PHY interrupt. */
  9269. bnx2x_cl22_read(bp, phy,
  9270. MDIO_REG_INTR_STATUS,
  9271. &val);
  9272. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9273. if (link_up) {
  9274. legacy_speed = (legacy_status & (7<<8));
  9275. if (legacy_speed == (7<<8)) {
  9276. vars->line_speed = SPEED_1000;
  9277. vars->duplex = DUPLEX_FULL;
  9278. } else if (legacy_speed == (6<<8)) {
  9279. vars->line_speed = SPEED_1000;
  9280. vars->duplex = DUPLEX_HALF;
  9281. } else if (legacy_speed == (5<<8)) {
  9282. vars->line_speed = SPEED_100;
  9283. vars->duplex = DUPLEX_FULL;
  9284. }
  9285. /* Omitting 100Base-T4 for now */
  9286. else if (legacy_speed == (3<<8)) {
  9287. vars->line_speed = SPEED_100;
  9288. vars->duplex = DUPLEX_HALF;
  9289. } else if (legacy_speed == (2<<8)) {
  9290. vars->line_speed = SPEED_10;
  9291. vars->duplex = DUPLEX_FULL;
  9292. } else if (legacy_speed == (1<<8)) {
  9293. vars->line_speed = SPEED_10;
  9294. vars->duplex = DUPLEX_HALF;
  9295. } else /* Should not happen */
  9296. vars->line_speed = 0;
  9297. DP(NETIF_MSG_LINK,
  9298. "Link is up in %dMbps, is_duplex_full= %d\n",
  9299. vars->line_speed,
  9300. (vars->duplex == DUPLEX_FULL));
  9301. /* Check legacy speed AN resolution */
  9302. bnx2x_cl22_read(bp, phy,
  9303. 0x01,
  9304. &val);
  9305. if (val & (1<<5))
  9306. vars->link_status |=
  9307. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9308. bnx2x_cl22_read(bp, phy,
  9309. 0x06,
  9310. &val);
  9311. if ((val & (1<<0)) == 0)
  9312. vars->link_status |=
  9313. LINK_STATUS_PARALLEL_DETECTION_USED;
  9314. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9315. vars->line_speed);
  9316. /* Report whether EEE is resolved. */
  9317. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9318. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9319. if (vars->link_status &
  9320. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9321. val = 0;
  9322. else {
  9323. bnx2x_cl22_write(bp, phy,
  9324. MDIO_REG_GPHY_CL45_ADDR_REG,
  9325. MDIO_AN_DEVAD);
  9326. bnx2x_cl22_write(bp, phy,
  9327. MDIO_REG_GPHY_CL45_DATA_REG,
  9328. MDIO_REG_GPHY_EEE_RESOLVED);
  9329. bnx2x_cl22_write(bp, phy,
  9330. MDIO_REG_GPHY_CL45_ADDR_REG,
  9331. (0x1 << 14) | MDIO_AN_DEVAD);
  9332. bnx2x_cl22_read(bp, phy,
  9333. MDIO_REG_GPHY_CL45_DATA_REG,
  9334. &val);
  9335. }
  9336. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9337. }
  9338. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9339. }
  9340. return link_up;
  9341. }
  9342. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9343. struct link_params *params)
  9344. {
  9345. struct bnx2x *bp = params->bp;
  9346. u16 val;
  9347. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9348. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9349. /* Enable master/slave manual mmode and set to master */
  9350. /* mii write 9 [bits set 11 12] */
  9351. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9352. /* forced 1G and disable autoneg */
  9353. /* set val [mii read 0] */
  9354. /* set val [expr $val & [bits clear 6 12 13]] */
  9355. /* set val [expr $val | [bits set 6 8]] */
  9356. /* mii write 0 $val */
  9357. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9358. val &= ~((1<<6) | (1<<12) | (1<<13));
  9359. val |= (1<<6) | (1<<8);
  9360. bnx2x_cl22_write(bp, phy, 0x00, val);
  9361. /* Set external loopback and Tx using 6dB coding */
  9362. /* mii write 0x18 7 */
  9363. /* set val [mii read 0x18] */
  9364. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9365. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9366. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9367. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9368. /* This register opens the gate for the UMAC despite its name */
  9369. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9370. /*
  9371. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9372. * length used by the MAC receive logic to check frames.
  9373. */
  9374. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9375. }
  9376. /******************************************************************/
  9377. /* SFX7101 PHY SECTION */
  9378. /******************************************************************/
  9379. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9380. struct link_params *params)
  9381. {
  9382. struct bnx2x *bp = params->bp;
  9383. /* SFX7101_XGXS_TEST1 */
  9384. bnx2x_cl45_write(bp, phy,
  9385. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9386. }
  9387. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9388. struct link_params *params,
  9389. struct link_vars *vars)
  9390. {
  9391. u16 fw_ver1, fw_ver2, val;
  9392. struct bnx2x *bp = params->bp;
  9393. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9394. /* Restore normal power mode*/
  9395. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9396. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9397. /* HW reset */
  9398. bnx2x_ext_phy_hw_reset(bp, params->port);
  9399. bnx2x_wait_reset_complete(bp, phy, params);
  9400. bnx2x_cl45_write(bp, phy,
  9401. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9402. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9403. bnx2x_cl45_write(bp, phy,
  9404. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9405. bnx2x_ext_phy_set_pause(params, phy, vars);
  9406. /* Restart autoneg */
  9407. bnx2x_cl45_read(bp, phy,
  9408. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9409. val |= 0x200;
  9410. bnx2x_cl45_write(bp, phy,
  9411. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9412. /* Save spirom version */
  9413. bnx2x_cl45_read(bp, phy,
  9414. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9415. bnx2x_cl45_read(bp, phy,
  9416. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9417. bnx2x_save_spirom_version(bp, params->port,
  9418. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9419. return 0;
  9420. }
  9421. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9422. struct link_params *params,
  9423. struct link_vars *vars)
  9424. {
  9425. struct bnx2x *bp = params->bp;
  9426. u8 link_up;
  9427. u16 val1, val2;
  9428. bnx2x_cl45_read(bp, phy,
  9429. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9430. bnx2x_cl45_read(bp, phy,
  9431. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9432. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9433. val2, val1);
  9434. bnx2x_cl45_read(bp, phy,
  9435. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9436. bnx2x_cl45_read(bp, phy,
  9437. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9438. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9439. val2, val1);
  9440. link_up = ((val1 & 4) == 4);
  9441. /* if link is up print the AN outcome of the SFX7101 PHY */
  9442. if (link_up) {
  9443. bnx2x_cl45_read(bp, phy,
  9444. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9445. &val2);
  9446. vars->line_speed = SPEED_10000;
  9447. vars->duplex = DUPLEX_FULL;
  9448. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9449. val2, (val2 & (1<<14)));
  9450. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9451. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9452. }
  9453. return link_up;
  9454. }
  9455. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9456. {
  9457. if (*len < 5)
  9458. return -EINVAL;
  9459. str[0] = (spirom_ver & 0xFF);
  9460. str[1] = (spirom_ver & 0xFF00) >> 8;
  9461. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9462. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9463. str[4] = '\0';
  9464. *len -= 5;
  9465. return 0;
  9466. }
  9467. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9468. {
  9469. u16 val, cnt;
  9470. bnx2x_cl45_read(bp, phy,
  9471. MDIO_PMA_DEVAD,
  9472. MDIO_PMA_REG_7101_RESET, &val);
  9473. for (cnt = 0; cnt < 10; cnt++) {
  9474. msleep(50);
  9475. /* Writes a self-clearing reset */
  9476. bnx2x_cl45_write(bp, phy,
  9477. MDIO_PMA_DEVAD,
  9478. MDIO_PMA_REG_7101_RESET,
  9479. (val | (1<<15)));
  9480. /* Wait for clear */
  9481. bnx2x_cl45_read(bp, phy,
  9482. MDIO_PMA_DEVAD,
  9483. MDIO_PMA_REG_7101_RESET, &val);
  9484. if ((val & (1<<15)) == 0)
  9485. break;
  9486. }
  9487. }
  9488. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9489. struct link_params *params) {
  9490. /* Low power mode is controlled by GPIO 2 */
  9491. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9492. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9493. /* The PHY reset is controlled by GPIO 1 */
  9494. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9495. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9496. }
  9497. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9498. struct link_params *params, u8 mode)
  9499. {
  9500. u16 val = 0;
  9501. struct bnx2x *bp = params->bp;
  9502. switch (mode) {
  9503. case LED_MODE_FRONT_PANEL_OFF:
  9504. case LED_MODE_OFF:
  9505. val = 2;
  9506. break;
  9507. case LED_MODE_ON:
  9508. val = 1;
  9509. break;
  9510. case LED_MODE_OPER:
  9511. val = 0;
  9512. break;
  9513. }
  9514. bnx2x_cl45_write(bp, phy,
  9515. MDIO_PMA_DEVAD,
  9516. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9517. val);
  9518. }
  9519. /******************************************************************/
  9520. /* STATIC PHY DECLARATION */
  9521. /******************************************************************/
  9522. static struct bnx2x_phy phy_null = {
  9523. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9524. .addr = 0,
  9525. .def_md_devad = 0,
  9526. .flags = FLAGS_INIT_XGXS_FIRST,
  9527. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9528. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9529. .mdio_ctrl = 0,
  9530. .supported = 0,
  9531. .media_type = ETH_PHY_NOT_PRESENT,
  9532. .ver_addr = 0,
  9533. .req_flow_ctrl = 0,
  9534. .req_line_speed = 0,
  9535. .speed_cap_mask = 0,
  9536. .req_duplex = 0,
  9537. .rsrv = 0,
  9538. .config_init = (config_init_t)NULL,
  9539. .read_status = (read_status_t)NULL,
  9540. .link_reset = (link_reset_t)NULL,
  9541. .config_loopback = (config_loopback_t)NULL,
  9542. .format_fw_ver = (format_fw_ver_t)NULL,
  9543. .hw_reset = (hw_reset_t)NULL,
  9544. .set_link_led = (set_link_led_t)NULL,
  9545. .phy_specific_func = (phy_specific_func_t)NULL
  9546. };
  9547. static struct bnx2x_phy phy_serdes = {
  9548. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9549. .addr = 0xff,
  9550. .def_md_devad = 0,
  9551. .flags = 0,
  9552. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9553. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9554. .mdio_ctrl = 0,
  9555. .supported = (SUPPORTED_10baseT_Half |
  9556. SUPPORTED_10baseT_Full |
  9557. SUPPORTED_100baseT_Half |
  9558. SUPPORTED_100baseT_Full |
  9559. SUPPORTED_1000baseT_Full |
  9560. SUPPORTED_2500baseX_Full |
  9561. SUPPORTED_TP |
  9562. SUPPORTED_Autoneg |
  9563. SUPPORTED_Pause |
  9564. SUPPORTED_Asym_Pause),
  9565. .media_type = ETH_PHY_BASE_T,
  9566. .ver_addr = 0,
  9567. .req_flow_ctrl = 0,
  9568. .req_line_speed = 0,
  9569. .speed_cap_mask = 0,
  9570. .req_duplex = 0,
  9571. .rsrv = 0,
  9572. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9573. .read_status = (read_status_t)bnx2x_link_settings_status,
  9574. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9575. .config_loopback = (config_loopback_t)NULL,
  9576. .format_fw_ver = (format_fw_ver_t)NULL,
  9577. .hw_reset = (hw_reset_t)NULL,
  9578. .set_link_led = (set_link_led_t)NULL,
  9579. .phy_specific_func = (phy_specific_func_t)NULL
  9580. };
  9581. static struct bnx2x_phy phy_xgxs = {
  9582. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9583. .addr = 0xff,
  9584. .def_md_devad = 0,
  9585. .flags = 0,
  9586. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9587. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9588. .mdio_ctrl = 0,
  9589. .supported = (SUPPORTED_10baseT_Half |
  9590. SUPPORTED_10baseT_Full |
  9591. SUPPORTED_100baseT_Half |
  9592. SUPPORTED_100baseT_Full |
  9593. SUPPORTED_1000baseT_Full |
  9594. SUPPORTED_2500baseX_Full |
  9595. SUPPORTED_10000baseT_Full |
  9596. SUPPORTED_FIBRE |
  9597. SUPPORTED_Autoneg |
  9598. SUPPORTED_Pause |
  9599. SUPPORTED_Asym_Pause),
  9600. .media_type = ETH_PHY_CX4,
  9601. .ver_addr = 0,
  9602. .req_flow_ctrl = 0,
  9603. .req_line_speed = 0,
  9604. .speed_cap_mask = 0,
  9605. .req_duplex = 0,
  9606. .rsrv = 0,
  9607. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9608. .read_status = (read_status_t)bnx2x_link_settings_status,
  9609. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9610. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9611. .format_fw_ver = (format_fw_ver_t)NULL,
  9612. .hw_reset = (hw_reset_t)NULL,
  9613. .set_link_led = (set_link_led_t)NULL,
  9614. .phy_specific_func = (phy_specific_func_t)NULL
  9615. };
  9616. static struct bnx2x_phy phy_warpcore = {
  9617. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9618. .addr = 0xff,
  9619. .def_md_devad = 0,
  9620. .flags = FLAGS_HW_LOCK_REQUIRED,
  9621. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9622. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9623. .mdio_ctrl = 0,
  9624. .supported = (SUPPORTED_10baseT_Half |
  9625. SUPPORTED_10baseT_Full |
  9626. SUPPORTED_100baseT_Half |
  9627. SUPPORTED_100baseT_Full |
  9628. SUPPORTED_1000baseT_Full |
  9629. SUPPORTED_10000baseT_Full |
  9630. SUPPORTED_20000baseKR2_Full |
  9631. SUPPORTED_20000baseMLD2_Full |
  9632. SUPPORTED_FIBRE |
  9633. SUPPORTED_Autoneg |
  9634. SUPPORTED_Pause |
  9635. SUPPORTED_Asym_Pause),
  9636. .media_type = ETH_PHY_UNSPECIFIED,
  9637. .ver_addr = 0,
  9638. .req_flow_ctrl = 0,
  9639. .req_line_speed = 0,
  9640. .speed_cap_mask = 0,
  9641. /* req_duplex = */0,
  9642. /* rsrv = */0,
  9643. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9644. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9645. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9646. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9647. .format_fw_ver = (format_fw_ver_t)NULL,
  9648. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9649. .set_link_led = (set_link_led_t)NULL,
  9650. .phy_specific_func = (phy_specific_func_t)NULL
  9651. };
  9652. static struct bnx2x_phy phy_7101 = {
  9653. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9654. .addr = 0xff,
  9655. .def_md_devad = 0,
  9656. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9657. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9658. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9659. .mdio_ctrl = 0,
  9660. .supported = (SUPPORTED_10000baseT_Full |
  9661. SUPPORTED_TP |
  9662. SUPPORTED_Autoneg |
  9663. SUPPORTED_Pause |
  9664. SUPPORTED_Asym_Pause),
  9665. .media_type = ETH_PHY_BASE_T,
  9666. .ver_addr = 0,
  9667. .req_flow_ctrl = 0,
  9668. .req_line_speed = 0,
  9669. .speed_cap_mask = 0,
  9670. .req_duplex = 0,
  9671. .rsrv = 0,
  9672. .config_init = (config_init_t)bnx2x_7101_config_init,
  9673. .read_status = (read_status_t)bnx2x_7101_read_status,
  9674. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9675. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9676. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9677. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9678. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9679. .phy_specific_func = (phy_specific_func_t)NULL
  9680. };
  9681. static struct bnx2x_phy phy_8073 = {
  9682. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9683. .addr = 0xff,
  9684. .def_md_devad = 0,
  9685. .flags = FLAGS_HW_LOCK_REQUIRED,
  9686. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9687. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9688. .mdio_ctrl = 0,
  9689. .supported = (SUPPORTED_10000baseT_Full |
  9690. SUPPORTED_2500baseX_Full |
  9691. SUPPORTED_1000baseT_Full |
  9692. SUPPORTED_FIBRE |
  9693. SUPPORTED_Autoneg |
  9694. SUPPORTED_Pause |
  9695. SUPPORTED_Asym_Pause),
  9696. .media_type = ETH_PHY_KR,
  9697. .ver_addr = 0,
  9698. .req_flow_ctrl = 0,
  9699. .req_line_speed = 0,
  9700. .speed_cap_mask = 0,
  9701. .req_duplex = 0,
  9702. .rsrv = 0,
  9703. .config_init = (config_init_t)bnx2x_8073_config_init,
  9704. .read_status = (read_status_t)bnx2x_8073_read_status,
  9705. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9706. .config_loopback = (config_loopback_t)NULL,
  9707. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9708. .hw_reset = (hw_reset_t)NULL,
  9709. .set_link_led = (set_link_led_t)NULL,
  9710. .phy_specific_func = (phy_specific_func_t)NULL
  9711. };
  9712. static struct bnx2x_phy phy_8705 = {
  9713. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9714. .addr = 0xff,
  9715. .def_md_devad = 0,
  9716. .flags = FLAGS_INIT_XGXS_FIRST,
  9717. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9718. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9719. .mdio_ctrl = 0,
  9720. .supported = (SUPPORTED_10000baseT_Full |
  9721. SUPPORTED_FIBRE |
  9722. SUPPORTED_Pause |
  9723. SUPPORTED_Asym_Pause),
  9724. .media_type = ETH_PHY_XFP_FIBER,
  9725. .ver_addr = 0,
  9726. .req_flow_ctrl = 0,
  9727. .req_line_speed = 0,
  9728. .speed_cap_mask = 0,
  9729. .req_duplex = 0,
  9730. .rsrv = 0,
  9731. .config_init = (config_init_t)bnx2x_8705_config_init,
  9732. .read_status = (read_status_t)bnx2x_8705_read_status,
  9733. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9734. .config_loopback = (config_loopback_t)NULL,
  9735. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9736. .hw_reset = (hw_reset_t)NULL,
  9737. .set_link_led = (set_link_led_t)NULL,
  9738. .phy_specific_func = (phy_specific_func_t)NULL
  9739. };
  9740. static struct bnx2x_phy phy_8706 = {
  9741. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9742. .addr = 0xff,
  9743. .def_md_devad = 0,
  9744. .flags = FLAGS_INIT_XGXS_FIRST,
  9745. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9746. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9747. .mdio_ctrl = 0,
  9748. .supported = (SUPPORTED_10000baseT_Full |
  9749. SUPPORTED_1000baseT_Full |
  9750. SUPPORTED_FIBRE |
  9751. SUPPORTED_Pause |
  9752. SUPPORTED_Asym_Pause),
  9753. .media_type = ETH_PHY_SFP_FIBER,
  9754. .ver_addr = 0,
  9755. .req_flow_ctrl = 0,
  9756. .req_line_speed = 0,
  9757. .speed_cap_mask = 0,
  9758. .req_duplex = 0,
  9759. .rsrv = 0,
  9760. .config_init = (config_init_t)bnx2x_8706_config_init,
  9761. .read_status = (read_status_t)bnx2x_8706_read_status,
  9762. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9763. .config_loopback = (config_loopback_t)NULL,
  9764. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9765. .hw_reset = (hw_reset_t)NULL,
  9766. .set_link_led = (set_link_led_t)NULL,
  9767. .phy_specific_func = (phy_specific_func_t)NULL
  9768. };
  9769. static struct bnx2x_phy phy_8726 = {
  9770. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9771. .addr = 0xff,
  9772. .def_md_devad = 0,
  9773. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9774. FLAGS_INIT_XGXS_FIRST),
  9775. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9776. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9777. .mdio_ctrl = 0,
  9778. .supported = (SUPPORTED_10000baseT_Full |
  9779. SUPPORTED_1000baseT_Full |
  9780. SUPPORTED_Autoneg |
  9781. SUPPORTED_FIBRE |
  9782. SUPPORTED_Pause |
  9783. SUPPORTED_Asym_Pause),
  9784. .media_type = ETH_PHY_NOT_PRESENT,
  9785. .ver_addr = 0,
  9786. .req_flow_ctrl = 0,
  9787. .req_line_speed = 0,
  9788. .speed_cap_mask = 0,
  9789. .req_duplex = 0,
  9790. .rsrv = 0,
  9791. .config_init = (config_init_t)bnx2x_8726_config_init,
  9792. .read_status = (read_status_t)bnx2x_8726_read_status,
  9793. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9794. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9795. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9796. .hw_reset = (hw_reset_t)NULL,
  9797. .set_link_led = (set_link_led_t)NULL,
  9798. .phy_specific_func = (phy_specific_func_t)NULL
  9799. };
  9800. static struct bnx2x_phy phy_8727 = {
  9801. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9802. .addr = 0xff,
  9803. .def_md_devad = 0,
  9804. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9805. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9806. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9807. .mdio_ctrl = 0,
  9808. .supported = (SUPPORTED_10000baseT_Full |
  9809. SUPPORTED_1000baseT_Full |
  9810. SUPPORTED_FIBRE |
  9811. SUPPORTED_Pause |
  9812. SUPPORTED_Asym_Pause),
  9813. .media_type = ETH_PHY_NOT_PRESENT,
  9814. .ver_addr = 0,
  9815. .req_flow_ctrl = 0,
  9816. .req_line_speed = 0,
  9817. .speed_cap_mask = 0,
  9818. .req_duplex = 0,
  9819. .rsrv = 0,
  9820. .config_init = (config_init_t)bnx2x_8727_config_init,
  9821. .read_status = (read_status_t)bnx2x_8727_read_status,
  9822. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9823. .config_loopback = (config_loopback_t)NULL,
  9824. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9825. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9826. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9827. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9828. };
  9829. static struct bnx2x_phy phy_8481 = {
  9830. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9831. .addr = 0xff,
  9832. .def_md_devad = 0,
  9833. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9834. FLAGS_REARM_LATCH_SIGNAL,
  9835. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9836. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9837. .mdio_ctrl = 0,
  9838. .supported = (SUPPORTED_10baseT_Half |
  9839. SUPPORTED_10baseT_Full |
  9840. SUPPORTED_100baseT_Half |
  9841. SUPPORTED_100baseT_Full |
  9842. SUPPORTED_1000baseT_Full |
  9843. SUPPORTED_10000baseT_Full |
  9844. SUPPORTED_TP |
  9845. SUPPORTED_Autoneg |
  9846. SUPPORTED_Pause |
  9847. SUPPORTED_Asym_Pause),
  9848. .media_type = ETH_PHY_BASE_T,
  9849. .ver_addr = 0,
  9850. .req_flow_ctrl = 0,
  9851. .req_line_speed = 0,
  9852. .speed_cap_mask = 0,
  9853. .req_duplex = 0,
  9854. .rsrv = 0,
  9855. .config_init = (config_init_t)bnx2x_8481_config_init,
  9856. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9857. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9858. .config_loopback = (config_loopback_t)NULL,
  9859. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9860. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9861. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9862. .phy_specific_func = (phy_specific_func_t)NULL
  9863. };
  9864. static struct bnx2x_phy phy_84823 = {
  9865. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9866. .addr = 0xff,
  9867. .def_md_devad = 0,
  9868. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9869. FLAGS_REARM_LATCH_SIGNAL,
  9870. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9871. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9872. .mdio_ctrl = 0,
  9873. .supported = (SUPPORTED_10baseT_Half |
  9874. SUPPORTED_10baseT_Full |
  9875. SUPPORTED_100baseT_Half |
  9876. SUPPORTED_100baseT_Full |
  9877. SUPPORTED_1000baseT_Full |
  9878. SUPPORTED_10000baseT_Full |
  9879. SUPPORTED_TP |
  9880. SUPPORTED_Autoneg |
  9881. SUPPORTED_Pause |
  9882. SUPPORTED_Asym_Pause),
  9883. .media_type = ETH_PHY_BASE_T,
  9884. .ver_addr = 0,
  9885. .req_flow_ctrl = 0,
  9886. .req_line_speed = 0,
  9887. .speed_cap_mask = 0,
  9888. .req_duplex = 0,
  9889. .rsrv = 0,
  9890. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9891. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9892. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9893. .config_loopback = (config_loopback_t)NULL,
  9894. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9895. .hw_reset = (hw_reset_t)NULL,
  9896. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9897. .phy_specific_func = (phy_specific_func_t)NULL
  9898. };
  9899. static struct bnx2x_phy phy_84833 = {
  9900. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9901. .addr = 0xff,
  9902. .def_md_devad = 0,
  9903. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9904. FLAGS_REARM_LATCH_SIGNAL,
  9905. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9906. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9907. .mdio_ctrl = 0,
  9908. .supported = (SUPPORTED_100baseT_Half |
  9909. SUPPORTED_100baseT_Full |
  9910. SUPPORTED_1000baseT_Full |
  9911. SUPPORTED_10000baseT_Full |
  9912. SUPPORTED_TP |
  9913. SUPPORTED_Autoneg |
  9914. SUPPORTED_Pause |
  9915. SUPPORTED_Asym_Pause),
  9916. .media_type = ETH_PHY_BASE_T,
  9917. .ver_addr = 0,
  9918. .req_flow_ctrl = 0,
  9919. .req_line_speed = 0,
  9920. .speed_cap_mask = 0,
  9921. .req_duplex = 0,
  9922. .rsrv = 0,
  9923. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9924. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9925. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9926. .config_loopback = (config_loopback_t)NULL,
  9927. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9928. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9929. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9930. .phy_specific_func = (phy_specific_func_t)NULL
  9931. };
  9932. static struct bnx2x_phy phy_54618se = {
  9933. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9934. .addr = 0xff,
  9935. .def_md_devad = 0,
  9936. .flags = FLAGS_INIT_XGXS_FIRST,
  9937. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9938. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9939. .mdio_ctrl = 0,
  9940. .supported = (SUPPORTED_10baseT_Half |
  9941. SUPPORTED_10baseT_Full |
  9942. SUPPORTED_100baseT_Half |
  9943. SUPPORTED_100baseT_Full |
  9944. SUPPORTED_1000baseT_Full |
  9945. SUPPORTED_TP |
  9946. SUPPORTED_Autoneg |
  9947. SUPPORTED_Pause |
  9948. SUPPORTED_Asym_Pause),
  9949. .media_type = ETH_PHY_BASE_T,
  9950. .ver_addr = 0,
  9951. .req_flow_ctrl = 0,
  9952. .req_line_speed = 0,
  9953. .speed_cap_mask = 0,
  9954. /* req_duplex = */0,
  9955. /* rsrv = */0,
  9956. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9957. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9958. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9959. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9960. .format_fw_ver = (format_fw_ver_t)NULL,
  9961. .hw_reset = (hw_reset_t)NULL,
  9962. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  9963. .phy_specific_func = (phy_specific_func_t)NULL
  9964. };
  9965. /*****************************************************************/
  9966. /* */
  9967. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9968. /* */
  9969. /*****************************************************************/
  9970. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9971. struct bnx2x_phy *phy, u8 port,
  9972. u8 phy_index)
  9973. {
  9974. /* Get the 4 lanes xgxs config rx and tx */
  9975. u32 rx = 0, tx = 0, i;
  9976. for (i = 0; i < 2; i++) {
  9977. /*
  9978. * INT_PHY and EXT_PHY1 share the same value location in the
  9979. * shmem. When num_phys is greater than 1, than this value
  9980. * applies only to EXT_PHY1
  9981. */
  9982. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9983. rx = REG_RD(bp, shmem_base +
  9984. offsetof(struct shmem_region,
  9985. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9986. tx = REG_RD(bp, shmem_base +
  9987. offsetof(struct shmem_region,
  9988. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9989. } else {
  9990. rx = REG_RD(bp, shmem_base +
  9991. offsetof(struct shmem_region,
  9992. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9993. tx = REG_RD(bp, shmem_base +
  9994. offsetof(struct shmem_region,
  9995. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9996. }
  9997. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9998. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9999. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10000. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10001. }
  10002. }
  10003. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10004. u8 phy_index, u8 port)
  10005. {
  10006. u32 ext_phy_config = 0;
  10007. switch (phy_index) {
  10008. case EXT_PHY1:
  10009. ext_phy_config = REG_RD(bp, shmem_base +
  10010. offsetof(struct shmem_region,
  10011. dev_info.port_hw_config[port].external_phy_config));
  10012. break;
  10013. case EXT_PHY2:
  10014. ext_phy_config = REG_RD(bp, shmem_base +
  10015. offsetof(struct shmem_region,
  10016. dev_info.port_hw_config[port].external_phy_config2));
  10017. break;
  10018. default:
  10019. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10020. return -EINVAL;
  10021. }
  10022. return ext_phy_config;
  10023. }
  10024. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10025. struct bnx2x_phy *phy)
  10026. {
  10027. u32 phy_addr;
  10028. u32 chip_id;
  10029. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10030. offsetof(struct shmem_region,
  10031. dev_info.port_feature_config[port].link_config)) &
  10032. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10033. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10034. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10035. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10036. if (USES_WARPCORE(bp)) {
  10037. u32 serdes_net_if;
  10038. phy_addr = REG_RD(bp,
  10039. MISC_REG_WC0_CTRL_PHY_ADDR);
  10040. *phy = phy_warpcore;
  10041. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10042. phy->flags |= FLAGS_4_PORT_MODE;
  10043. else
  10044. phy->flags &= ~FLAGS_4_PORT_MODE;
  10045. /* Check Dual mode */
  10046. serdes_net_if = (REG_RD(bp, shmem_base +
  10047. offsetof(struct shmem_region, dev_info.
  10048. port_hw_config[port].default_cfg)) &
  10049. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10050. /*
  10051. * Set the appropriate supported and flags indications per
  10052. * interface type of the chip
  10053. */
  10054. switch (serdes_net_if) {
  10055. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10056. phy->supported &= (SUPPORTED_10baseT_Half |
  10057. SUPPORTED_10baseT_Full |
  10058. SUPPORTED_100baseT_Half |
  10059. SUPPORTED_100baseT_Full |
  10060. SUPPORTED_1000baseT_Full |
  10061. SUPPORTED_FIBRE |
  10062. SUPPORTED_Autoneg |
  10063. SUPPORTED_Pause |
  10064. SUPPORTED_Asym_Pause);
  10065. phy->media_type = ETH_PHY_BASE_T;
  10066. break;
  10067. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10068. phy->media_type = ETH_PHY_XFP_FIBER;
  10069. break;
  10070. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10071. phy->supported &= (SUPPORTED_1000baseT_Full |
  10072. SUPPORTED_10000baseT_Full |
  10073. SUPPORTED_FIBRE |
  10074. SUPPORTED_Pause |
  10075. SUPPORTED_Asym_Pause);
  10076. phy->media_type = ETH_PHY_SFP_FIBER;
  10077. break;
  10078. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10079. phy->media_type = ETH_PHY_KR;
  10080. phy->supported &= (SUPPORTED_1000baseT_Full |
  10081. SUPPORTED_10000baseT_Full |
  10082. SUPPORTED_FIBRE |
  10083. SUPPORTED_Autoneg |
  10084. SUPPORTED_Pause |
  10085. SUPPORTED_Asym_Pause);
  10086. break;
  10087. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10088. phy->media_type = ETH_PHY_KR;
  10089. phy->flags |= FLAGS_WC_DUAL_MODE;
  10090. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10091. SUPPORTED_FIBRE |
  10092. SUPPORTED_Pause |
  10093. SUPPORTED_Asym_Pause);
  10094. break;
  10095. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10096. phy->media_type = ETH_PHY_KR;
  10097. phy->flags |= FLAGS_WC_DUAL_MODE;
  10098. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10099. SUPPORTED_FIBRE |
  10100. SUPPORTED_Pause |
  10101. SUPPORTED_Asym_Pause);
  10102. break;
  10103. default:
  10104. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10105. serdes_net_if);
  10106. break;
  10107. }
  10108. /*
  10109. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10110. * was not set as expected. For B0, ECO will be enabled so there
  10111. * won't be an issue there
  10112. */
  10113. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10114. phy->flags |= FLAGS_MDC_MDIO_WA;
  10115. else
  10116. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10117. } else {
  10118. switch (switch_cfg) {
  10119. case SWITCH_CFG_1G:
  10120. phy_addr = REG_RD(bp,
  10121. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10122. port * 0x10);
  10123. *phy = phy_serdes;
  10124. break;
  10125. case SWITCH_CFG_10G:
  10126. phy_addr = REG_RD(bp,
  10127. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10128. port * 0x18);
  10129. *phy = phy_xgxs;
  10130. break;
  10131. default:
  10132. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10133. return -EINVAL;
  10134. }
  10135. }
  10136. phy->addr = (u8)phy_addr;
  10137. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10138. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10139. port);
  10140. if (CHIP_IS_E2(bp))
  10141. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10142. else
  10143. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10144. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10145. port, phy->addr, phy->mdio_ctrl);
  10146. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10147. return 0;
  10148. }
  10149. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10150. u8 phy_index,
  10151. u32 shmem_base,
  10152. u32 shmem2_base,
  10153. u8 port,
  10154. struct bnx2x_phy *phy)
  10155. {
  10156. u32 ext_phy_config, phy_type, config2;
  10157. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10158. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10159. phy_index, port);
  10160. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10161. /* Select the phy type */
  10162. switch (phy_type) {
  10163. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10164. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10165. *phy = phy_8073;
  10166. break;
  10167. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10168. *phy = phy_8705;
  10169. break;
  10170. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10171. *phy = phy_8706;
  10172. break;
  10173. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10174. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10175. *phy = phy_8726;
  10176. break;
  10177. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10178. /* BCM8727_NOC => BCM8727 no over current */
  10179. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10180. *phy = phy_8727;
  10181. phy->flags |= FLAGS_NOC;
  10182. break;
  10183. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10184. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10185. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10186. *phy = phy_8727;
  10187. break;
  10188. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10189. *phy = phy_8481;
  10190. break;
  10191. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10192. *phy = phy_84823;
  10193. break;
  10194. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10195. *phy = phy_84833;
  10196. break;
  10197. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10198. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10199. *phy = phy_54618se;
  10200. break;
  10201. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10202. *phy = phy_7101;
  10203. break;
  10204. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10205. *phy = phy_null;
  10206. return -EINVAL;
  10207. default:
  10208. *phy = phy_null;
  10209. /* In case external PHY wasn't found */
  10210. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10211. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10212. return -EINVAL;
  10213. return 0;
  10214. }
  10215. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10216. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10217. /*
  10218. * The shmem address of the phy version is located on different
  10219. * structures. In case this structure is too old, do not set
  10220. * the address
  10221. */
  10222. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10223. dev_info.shared_hw_config.config2));
  10224. if (phy_index == EXT_PHY1) {
  10225. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10226. port_mb[port].ext_phy_fw_version);
  10227. /* Check specific mdc mdio settings */
  10228. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10229. mdc_mdio_access = config2 &
  10230. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10231. } else {
  10232. u32 size = REG_RD(bp, shmem2_base);
  10233. if (size >
  10234. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10235. phy->ver_addr = shmem2_base +
  10236. offsetof(struct shmem2_region,
  10237. ext_phy_fw_version2[port]);
  10238. }
  10239. /* Check specific mdc mdio settings */
  10240. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10241. mdc_mdio_access = (config2 &
  10242. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10243. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10244. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10245. }
  10246. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10247. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10248. (phy->ver_addr)) {
  10249. /*
  10250. * Remove 100Mb link supported for BCM84833 when phy fw
  10251. * version lower than or equal to 1.39
  10252. */
  10253. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10254. if (((raw_ver & 0x7F) <= 39) &&
  10255. (((raw_ver & 0xF80) >> 7) <= 1))
  10256. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10257. SUPPORTED_100baseT_Full);
  10258. }
  10259. /*
  10260. * In case mdc/mdio_access of the external phy is different than the
  10261. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10262. * to prevent one port interfere with another port's CL45 operations.
  10263. */
  10264. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10265. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10266. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10267. phy_type, port, phy_index);
  10268. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10269. phy->addr, phy->mdio_ctrl);
  10270. return 0;
  10271. }
  10272. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10273. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10274. {
  10275. int status = 0;
  10276. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10277. if (phy_index == INT_PHY)
  10278. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10279. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10280. port, phy);
  10281. return status;
  10282. }
  10283. static void bnx2x_phy_def_cfg(struct link_params *params,
  10284. struct bnx2x_phy *phy,
  10285. u8 phy_index)
  10286. {
  10287. struct bnx2x *bp = params->bp;
  10288. u32 link_config;
  10289. /* Populate the default phy configuration for MF mode */
  10290. if (phy_index == EXT_PHY2) {
  10291. link_config = REG_RD(bp, params->shmem_base +
  10292. offsetof(struct shmem_region, dev_info.
  10293. port_feature_config[params->port].link_config2));
  10294. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10295. offsetof(struct shmem_region,
  10296. dev_info.
  10297. port_hw_config[params->port].speed_capability_mask2));
  10298. } else {
  10299. link_config = REG_RD(bp, params->shmem_base +
  10300. offsetof(struct shmem_region, dev_info.
  10301. port_feature_config[params->port].link_config));
  10302. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10303. offsetof(struct shmem_region,
  10304. dev_info.
  10305. port_hw_config[params->port].speed_capability_mask));
  10306. }
  10307. DP(NETIF_MSG_LINK,
  10308. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10309. phy_index, link_config, phy->speed_cap_mask);
  10310. phy->req_duplex = DUPLEX_FULL;
  10311. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10312. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10313. phy->req_duplex = DUPLEX_HALF;
  10314. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10315. phy->req_line_speed = SPEED_10;
  10316. break;
  10317. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10318. phy->req_duplex = DUPLEX_HALF;
  10319. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10320. phy->req_line_speed = SPEED_100;
  10321. break;
  10322. case PORT_FEATURE_LINK_SPEED_1G:
  10323. phy->req_line_speed = SPEED_1000;
  10324. break;
  10325. case PORT_FEATURE_LINK_SPEED_2_5G:
  10326. phy->req_line_speed = SPEED_2500;
  10327. break;
  10328. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10329. phy->req_line_speed = SPEED_10000;
  10330. break;
  10331. default:
  10332. phy->req_line_speed = SPEED_AUTO_NEG;
  10333. break;
  10334. }
  10335. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10336. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10337. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10338. break;
  10339. case PORT_FEATURE_FLOW_CONTROL_TX:
  10340. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10341. break;
  10342. case PORT_FEATURE_FLOW_CONTROL_RX:
  10343. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10344. break;
  10345. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10346. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10347. break;
  10348. default:
  10349. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10350. break;
  10351. }
  10352. }
  10353. u32 bnx2x_phy_selection(struct link_params *params)
  10354. {
  10355. u32 phy_config_swapped, prio_cfg;
  10356. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10357. phy_config_swapped = params->multi_phy_config &
  10358. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10359. prio_cfg = params->multi_phy_config &
  10360. PORT_HW_CFG_PHY_SELECTION_MASK;
  10361. if (phy_config_swapped) {
  10362. switch (prio_cfg) {
  10363. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10364. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10365. break;
  10366. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10367. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10368. break;
  10369. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10370. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10371. break;
  10372. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10373. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10374. break;
  10375. }
  10376. } else
  10377. return_cfg = prio_cfg;
  10378. return return_cfg;
  10379. }
  10380. int bnx2x_phy_probe(struct link_params *params)
  10381. {
  10382. u8 phy_index, actual_phy_idx;
  10383. u32 phy_config_swapped, sync_offset, media_types;
  10384. struct bnx2x *bp = params->bp;
  10385. struct bnx2x_phy *phy;
  10386. params->num_phys = 0;
  10387. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10388. phy_config_swapped = params->multi_phy_config &
  10389. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10390. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10391. phy_index++) {
  10392. actual_phy_idx = phy_index;
  10393. if (phy_config_swapped) {
  10394. if (phy_index == EXT_PHY1)
  10395. actual_phy_idx = EXT_PHY2;
  10396. else if (phy_index == EXT_PHY2)
  10397. actual_phy_idx = EXT_PHY1;
  10398. }
  10399. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10400. " actual_phy_idx %x\n", phy_config_swapped,
  10401. phy_index, actual_phy_idx);
  10402. phy = &params->phy[actual_phy_idx];
  10403. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10404. params->shmem2_base, params->port,
  10405. phy) != 0) {
  10406. params->num_phys = 0;
  10407. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10408. phy_index);
  10409. for (phy_index = INT_PHY;
  10410. phy_index < MAX_PHYS;
  10411. phy_index++)
  10412. *phy = phy_null;
  10413. return -EINVAL;
  10414. }
  10415. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10416. break;
  10417. sync_offset = params->shmem_base +
  10418. offsetof(struct shmem_region,
  10419. dev_info.port_hw_config[params->port].media_type);
  10420. media_types = REG_RD(bp, sync_offset);
  10421. /*
  10422. * Update media type for non-PMF sync only for the first time
  10423. * In case the media type changes afterwards, it will be updated
  10424. * using the update_status function
  10425. */
  10426. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10427. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10428. actual_phy_idx))) == 0) {
  10429. media_types |= ((phy->media_type &
  10430. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10431. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10432. actual_phy_idx));
  10433. }
  10434. REG_WR(bp, sync_offset, media_types);
  10435. bnx2x_phy_def_cfg(params, phy, phy_index);
  10436. params->num_phys++;
  10437. }
  10438. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10439. return 0;
  10440. }
  10441. void bnx2x_init_bmac_loopback(struct link_params *params,
  10442. struct link_vars *vars)
  10443. {
  10444. struct bnx2x *bp = params->bp;
  10445. vars->link_up = 1;
  10446. vars->line_speed = SPEED_10000;
  10447. vars->duplex = DUPLEX_FULL;
  10448. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10449. vars->mac_type = MAC_TYPE_BMAC;
  10450. vars->phy_flags = PHY_XGXS_FLAG;
  10451. bnx2x_xgxs_deassert(params);
  10452. /* set bmac loopback */
  10453. bnx2x_bmac_enable(params, vars, 1);
  10454. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10455. }
  10456. void bnx2x_init_emac_loopback(struct link_params *params,
  10457. struct link_vars *vars)
  10458. {
  10459. struct bnx2x *bp = params->bp;
  10460. vars->link_up = 1;
  10461. vars->line_speed = SPEED_1000;
  10462. vars->duplex = DUPLEX_FULL;
  10463. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10464. vars->mac_type = MAC_TYPE_EMAC;
  10465. vars->phy_flags = PHY_XGXS_FLAG;
  10466. bnx2x_xgxs_deassert(params);
  10467. /* set bmac loopback */
  10468. bnx2x_emac_enable(params, vars, 1);
  10469. bnx2x_emac_program(params, vars);
  10470. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10471. }
  10472. void bnx2x_init_xmac_loopback(struct link_params *params,
  10473. struct link_vars *vars)
  10474. {
  10475. struct bnx2x *bp = params->bp;
  10476. vars->link_up = 1;
  10477. if (!params->req_line_speed[0])
  10478. vars->line_speed = SPEED_10000;
  10479. else
  10480. vars->line_speed = params->req_line_speed[0];
  10481. vars->duplex = DUPLEX_FULL;
  10482. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10483. vars->mac_type = MAC_TYPE_XMAC;
  10484. vars->phy_flags = PHY_XGXS_FLAG;
  10485. /*
  10486. * Set WC to loopback mode since link is required to provide clock
  10487. * to the XMAC in 20G mode
  10488. */
  10489. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10490. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10491. params->phy[INT_PHY].config_loopback(
  10492. &params->phy[INT_PHY],
  10493. params);
  10494. bnx2x_xmac_enable(params, vars, 1);
  10495. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10496. }
  10497. void bnx2x_init_umac_loopback(struct link_params *params,
  10498. struct link_vars *vars)
  10499. {
  10500. struct bnx2x *bp = params->bp;
  10501. vars->link_up = 1;
  10502. vars->line_speed = SPEED_1000;
  10503. vars->duplex = DUPLEX_FULL;
  10504. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10505. vars->mac_type = MAC_TYPE_UMAC;
  10506. vars->phy_flags = PHY_XGXS_FLAG;
  10507. bnx2x_umac_enable(params, vars, 1);
  10508. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10509. }
  10510. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10511. struct link_vars *vars)
  10512. {
  10513. struct bnx2x *bp = params->bp;
  10514. vars->link_up = 1;
  10515. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10516. vars->duplex = DUPLEX_FULL;
  10517. if (params->req_line_speed[0] == SPEED_1000)
  10518. vars->line_speed = SPEED_1000;
  10519. else
  10520. vars->line_speed = SPEED_10000;
  10521. if (!USES_WARPCORE(bp))
  10522. bnx2x_xgxs_deassert(params);
  10523. bnx2x_link_initialize(params, vars);
  10524. if (params->req_line_speed[0] == SPEED_1000) {
  10525. if (USES_WARPCORE(bp))
  10526. bnx2x_umac_enable(params, vars, 0);
  10527. else {
  10528. bnx2x_emac_program(params, vars);
  10529. bnx2x_emac_enable(params, vars, 0);
  10530. }
  10531. } else {
  10532. if (USES_WARPCORE(bp))
  10533. bnx2x_xmac_enable(params, vars, 0);
  10534. else
  10535. bnx2x_bmac_enable(params, vars, 0);
  10536. }
  10537. if (params->loopback_mode == LOOPBACK_XGXS) {
  10538. /* set 10G XGXS loopback */
  10539. params->phy[INT_PHY].config_loopback(
  10540. &params->phy[INT_PHY],
  10541. params);
  10542. } else {
  10543. /* set external phy loopback */
  10544. u8 phy_index;
  10545. for (phy_index = EXT_PHY1;
  10546. phy_index < params->num_phys; phy_index++) {
  10547. if (params->phy[phy_index].config_loopback)
  10548. params->phy[phy_index].config_loopback(
  10549. &params->phy[phy_index],
  10550. params);
  10551. }
  10552. }
  10553. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10554. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10555. }
  10556. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10557. {
  10558. struct bnx2x *bp = params->bp;
  10559. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10560. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10561. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10562. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10563. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10564. vars->link_status = 0;
  10565. vars->phy_link_up = 0;
  10566. vars->link_up = 0;
  10567. vars->line_speed = 0;
  10568. vars->duplex = DUPLEX_FULL;
  10569. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10570. vars->mac_type = MAC_TYPE_NONE;
  10571. vars->phy_flags = 0;
  10572. /* disable attentions */
  10573. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10574. (NIG_MASK_XGXS0_LINK_STATUS |
  10575. NIG_MASK_XGXS0_LINK10G |
  10576. NIG_MASK_SERDES0_LINK_STATUS |
  10577. NIG_MASK_MI_INT));
  10578. bnx2x_emac_init(params, vars);
  10579. if (params->num_phys == 0) {
  10580. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10581. return -EINVAL;
  10582. }
  10583. set_phy_vars(params, vars);
  10584. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10585. switch (params->loopback_mode) {
  10586. case LOOPBACK_BMAC:
  10587. bnx2x_init_bmac_loopback(params, vars);
  10588. break;
  10589. case LOOPBACK_EMAC:
  10590. bnx2x_init_emac_loopback(params, vars);
  10591. break;
  10592. case LOOPBACK_XMAC:
  10593. bnx2x_init_xmac_loopback(params, vars);
  10594. break;
  10595. case LOOPBACK_UMAC:
  10596. bnx2x_init_umac_loopback(params, vars);
  10597. break;
  10598. case LOOPBACK_XGXS:
  10599. case LOOPBACK_EXT_PHY:
  10600. bnx2x_init_xgxs_loopback(params, vars);
  10601. break;
  10602. default:
  10603. if (!CHIP_IS_E3(bp)) {
  10604. if (params->switch_cfg == SWITCH_CFG_10G)
  10605. bnx2x_xgxs_deassert(params);
  10606. else
  10607. bnx2x_serdes_deassert(bp, params->port);
  10608. }
  10609. bnx2x_link_initialize(params, vars);
  10610. msleep(30);
  10611. bnx2x_link_int_enable(params);
  10612. break;
  10613. }
  10614. return 0;
  10615. }
  10616. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10617. u8 reset_ext_phy)
  10618. {
  10619. struct bnx2x *bp = params->bp;
  10620. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10621. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10622. /* disable attentions */
  10623. vars->link_status = 0;
  10624. bnx2x_update_mng(params, vars->link_status);
  10625. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10626. (NIG_MASK_XGXS0_LINK_STATUS |
  10627. NIG_MASK_XGXS0_LINK10G |
  10628. NIG_MASK_SERDES0_LINK_STATUS |
  10629. NIG_MASK_MI_INT));
  10630. /* activate nig drain */
  10631. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10632. /* disable nig egress interface */
  10633. if (!CHIP_IS_E3(bp)) {
  10634. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10635. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10636. }
  10637. /* Stop BigMac rx */
  10638. if (!CHIP_IS_E3(bp))
  10639. bnx2x_bmac_rx_disable(bp, port);
  10640. else {
  10641. bnx2x_xmac_disable(params);
  10642. bnx2x_umac_disable(params);
  10643. }
  10644. /* disable emac */
  10645. if (!CHIP_IS_E3(bp))
  10646. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10647. msleep(10);
  10648. /* The PHY reset is controlled by GPIO 1
  10649. * Hold it as vars low
  10650. */
  10651. /* clear link led */
  10652. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10653. if (reset_ext_phy) {
  10654. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10655. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10656. phy_index++) {
  10657. if (params->phy[phy_index].link_reset) {
  10658. bnx2x_set_aer_mmd(params,
  10659. &params->phy[phy_index]);
  10660. params->phy[phy_index].link_reset(
  10661. &params->phy[phy_index],
  10662. params);
  10663. }
  10664. if (params->phy[phy_index].flags &
  10665. FLAGS_REARM_LATCH_SIGNAL)
  10666. clear_latch_ind = 1;
  10667. }
  10668. }
  10669. if (clear_latch_ind) {
  10670. /* Clear latching indication */
  10671. bnx2x_rearm_latch_signal(bp, port, 0);
  10672. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10673. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10674. }
  10675. if (params->phy[INT_PHY].link_reset)
  10676. params->phy[INT_PHY].link_reset(
  10677. &params->phy[INT_PHY], params);
  10678. /* disable nig ingress interface */
  10679. if (!CHIP_IS_E3(bp)) {
  10680. /* reset BigMac */
  10681. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10682. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10683. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10684. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10685. } else {
  10686. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10687. bnx2x_set_xumac_nig(params, 0, 0);
  10688. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10689. MISC_REGISTERS_RESET_REG_2_XMAC)
  10690. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10691. XMAC_CTRL_REG_SOFT_RESET);
  10692. }
  10693. vars->link_up = 0;
  10694. vars->phy_flags = 0;
  10695. return 0;
  10696. }
  10697. /****************************************************************************/
  10698. /* Common function */
  10699. /****************************************************************************/
  10700. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10701. u32 shmem_base_path[],
  10702. u32 shmem2_base_path[], u8 phy_index,
  10703. u32 chip_id)
  10704. {
  10705. struct bnx2x_phy phy[PORT_MAX];
  10706. struct bnx2x_phy *phy_blk[PORT_MAX];
  10707. u16 val;
  10708. s8 port = 0;
  10709. s8 port_of_path = 0;
  10710. u32 swap_val, swap_override;
  10711. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10712. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10713. port ^= (swap_val && swap_override);
  10714. bnx2x_ext_phy_hw_reset(bp, port);
  10715. /* PART1 - Reset both phys */
  10716. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10717. u32 shmem_base, shmem2_base;
  10718. /* In E2, same phy is using for port0 of the two paths */
  10719. if (CHIP_IS_E1x(bp)) {
  10720. shmem_base = shmem_base_path[0];
  10721. shmem2_base = shmem2_base_path[0];
  10722. port_of_path = port;
  10723. } else {
  10724. shmem_base = shmem_base_path[port];
  10725. shmem2_base = shmem2_base_path[port];
  10726. port_of_path = 0;
  10727. }
  10728. /* Extract the ext phy address for the port */
  10729. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10730. port_of_path, &phy[port]) !=
  10731. 0) {
  10732. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10733. return -EINVAL;
  10734. }
  10735. /* disable attentions */
  10736. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10737. port_of_path*4,
  10738. (NIG_MASK_XGXS0_LINK_STATUS |
  10739. NIG_MASK_XGXS0_LINK10G |
  10740. NIG_MASK_SERDES0_LINK_STATUS |
  10741. NIG_MASK_MI_INT));
  10742. /* Need to take the phy out of low power mode in order
  10743. to write to access its registers */
  10744. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10745. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10746. port);
  10747. /* Reset the phy */
  10748. bnx2x_cl45_write(bp, &phy[port],
  10749. MDIO_PMA_DEVAD,
  10750. MDIO_PMA_REG_CTRL,
  10751. 1<<15);
  10752. }
  10753. /* Add delay of 150ms after reset */
  10754. msleep(150);
  10755. if (phy[PORT_0].addr & 0x1) {
  10756. phy_blk[PORT_0] = &(phy[PORT_1]);
  10757. phy_blk[PORT_1] = &(phy[PORT_0]);
  10758. } else {
  10759. phy_blk[PORT_0] = &(phy[PORT_0]);
  10760. phy_blk[PORT_1] = &(phy[PORT_1]);
  10761. }
  10762. /* PART2 - Download firmware to both phys */
  10763. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10764. if (CHIP_IS_E1x(bp))
  10765. port_of_path = port;
  10766. else
  10767. port_of_path = 0;
  10768. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10769. phy_blk[port]->addr);
  10770. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10771. port_of_path))
  10772. return -EINVAL;
  10773. /* Only set bit 10 = 1 (Tx power down) */
  10774. bnx2x_cl45_read(bp, phy_blk[port],
  10775. MDIO_PMA_DEVAD,
  10776. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10777. /* Phase1 of TX_POWER_DOWN reset */
  10778. bnx2x_cl45_write(bp, phy_blk[port],
  10779. MDIO_PMA_DEVAD,
  10780. MDIO_PMA_REG_TX_POWER_DOWN,
  10781. (val | 1<<10));
  10782. }
  10783. /*
  10784. * Toggle Transmitter: Power down and then up with 600ms delay
  10785. * between
  10786. */
  10787. msleep(600);
  10788. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10789. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10790. /* Phase2 of POWER_DOWN_RESET */
  10791. /* Release bit 10 (Release Tx power down) */
  10792. bnx2x_cl45_read(bp, phy_blk[port],
  10793. MDIO_PMA_DEVAD,
  10794. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10795. bnx2x_cl45_write(bp, phy_blk[port],
  10796. MDIO_PMA_DEVAD,
  10797. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10798. msleep(15);
  10799. /* Read modify write the SPI-ROM version select register */
  10800. bnx2x_cl45_read(bp, phy_blk[port],
  10801. MDIO_PMA_DEVAD,
  10802. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10803. bnx2x_cl45_write(bp, phy_blk[port],
  10804. MDIO_PMA_DEVAD,
  10805. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10806. /* set GPIO2 back to LOW */
  10807. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10808. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10809. }
  10810. return 0;
  10811. }
  10812. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10813. u32 shmem_base_path[],
  10814. u32 shmem2_base_path[], u8 phy_index,
  10815. u32 chip_id)
  10816. {
  10817. u32 val;
  10818. s8 port;
  10819. struct bnx2x_phy phy;
  10820. /* Use port1 because of the static port-swap */
  10821. /* Enable the module detection interrupt */
  10822. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10823. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10824. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10825. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10826. bnx2x_ext_phy_hw_reset(bp, 0);
  10827. msleep(5);
  10828. for (port = 0; port < PORT_MAX; port++) {
  10829. u32 shmem_base, shmem2_base;
  10830. /* In E2, same phy is using for port0 of the two paths */
  10831. if (CHIP_IS_E1x(bp)) {
  10832. shmem_base = shmem_base_path[0];
  10833. shmem2_base = shmem2_base_path[0];
  10834. } else {
  10835. shmem_base = shmem_base_path[port];
  10836. shmem2_base = shmem2_base_path[port];
  10837. }
  10838. /* Extract the ext phy address for the port */
  10839. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10840. port, &phy) !=
  10841. 0) {
  10842. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10843. return -EINVAL;
  10844. }
  10845. /* Reset phy*/
  10846. bnx2x_cl45_write(bp, &phy,
  10847. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10848. /* Set fault module detected LED on */
  10849. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10850. MISC_REGISTERS_GPIO_HIGH,
  10851. port);
  10852. }
  10853. return 0;
  10854. }
  10855. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10856. u8 *io_gpio, u8 *io_port)
  10857. {
  10858. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10859. offsetof(struct shmem_region,
  10860. dev_info.port_hw_config[PORT_0].default_cfg));
  10861. switch (phy_gpio_reset) {
  10862. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10863. *io_gpio = 0;
  10864. *io_port = 0;
  10865. break;
  10866. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10867. *io_gpio = 1;
  10868. *io_port = 0;
  10869. break;
  10870. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10871. *io_gpio = 2;
  10872. *io_port = 0;
  10873. break;
  10874. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10875. *io_gpio = 3;
  10876. *io_port = 0;
  10877. break;
  10878. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10879. *io_gpio = 0;
  10880. *io_port = 1;
  10881. break;
  10882. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10883. *io_gpio = 1;
  10884. *io_port = 1;
  10885. break;
  10886. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10887. *io_gpio = 2;
  10888. *io_port = 1;
  10889. break;
  10890. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10891. *io_gpio = 3;
  10892. *io_port = 1;
  10893. break;
  10894. default:
  10895. /* Don't override the io_gpio and io_port */
  10896. break;
  10897. }
  10898. }
  10899. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10900. u32 shmem_base_path[],
  10901. u32 shmem2_base_path[], u8 phy_index,
  10902. u32 chip_id)
  10903. {
  10904. s8 port, reset_gpio;
  10905. u32 swap_val, swap_override;
  10906. struct bnx2x_phy phy[PORT_MAX];
  10907. struct bnx2x_phy *phy_blk[PORT_MAX];
  10908. s8 port_of_path;
  10909. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10910. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10911. reset_gpio = MISC_REGISTERS_GPIO_1;
  10912. port = 1;
  10913. /*
  10914. * Retrieve the reset gpio/port which control the reset.
  10915. * Default is GPIO1, PORT1
  10916. */
  10917. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10918. (u8 *)&reset_gpio, (u8 *)&port);
  10919. /* Calculate the port based on port swap */
  10920. port ^= (swap_val && swap_override);
  10921. /* Initiate PHY reset*/
  10922. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10923. port);
  10924. msleep(1);
  10925. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10926. port);
  10927. msleep(5);
  10928. /* PART1 - Reset both phys */
  10929. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10930. u32 shmem_base, shmem2_base;
  10931. /* In E2, same phy is using for port0 of the two paths */
  10932. if (CHIP_IS_E1x(bp)) {
  10933. shmem_base = shmem_base_path[0];
  10934. shmem2_base = shmem2_base_path[0];
  10935. port_of_path = port;
  10936. } else {
  10937. shmem_base = shmem_base_path[port];
  10938. shmem2_base = shmem2_base_path[port];
  10939. port_of_path = 0;
  10940. }
  10941. /* Extract the ext phy address for the port */
  10942. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10943. port_of_path, &phy[port]) !=
  10944. 0) {
  10945. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10946. return -EINVAL;
  10947. }
  10948. /* disable attentions */
  10949. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10950. port_of_path*4,
  10951. (NIG_MASK_XGXS0_LINK_STATUS |
  10952. NIG_MASK_XGXS0_LINK10G |
  10953. NIG_MASK_SERDES0_LINK_STATUS |
  10954. NIG_MASK_MI_INT));
  10955. /* Reset the phy */
  10956. bnx2x_cl45_write(bp, &phy[port],
  10957. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10958. }
  10959. /* Add delay of 150ms after reset */
  10960. msleep(150);
  10961. if (phy[PORT_0].addr & 0x1) {
  10962. phy_blk[PORT_0] = &(phy[PORT_1]);
  10963. phy_blk[PORT_1] = &(phy[PORT_0]);
  10964. } else {
  10965. phy_blk[PORT_0] = &(phy[PORT_0]);
  10966. phy_blk[PORT_1] = &(phy[PORT_1]);
  10967. }
  10968. /* PART2 - Download firmware to both phys */
  10969. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10970. if (CHIP_IS_E1x(bp))
  10971. port_of_path = port;
  10972. else
  10973. port_of_path = 0;
  10974. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10975. phy_blk[port]->addr);
  10976. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10977. port_of_path))
  10978. return -EINVAL;
  10979. /* Disable PHY transmitter output */
  10980. bnx2x_cl45_write(bp, phy_blk[port],
  10981. MDIO_PMA_DEVAD,
  10982. MDIO_PMA_REG_TX_DISABLE, 1);
  10983. }
  10984. return 0;
  10985. }
  10986. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  10987. u32 shmem_base_path[],
  10988. u32 shmem2_base_path[],
  10989. u8 phy_index,
  10990. u32 chip_id)
  10991. {
  10992. u8 reset_gpios;
  10993. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  10994. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  10995. udelay(10);
  10996. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  10997. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  10998. reset_gpios);
  10999. return 0;
  11000. }
  11001. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11002. struct bnx2x_phy *phy)
  11003. {
  11004. u16 val, cnt;
  11005. /* Wait for FW completing its initialization. */
  11006. for (cnt = 0; cnt < 1500; cnt++) {
  11007. bnx2x_cl45_read(bp, phy,
  11008. MDIO_PMA_DEVAD,
  11009. MDIO_PMA_REG_CTRL, &val);
  11010. if (!(val & (1<<15)))
  11011. break;
  11012. msleep(1);
  11013. }
  11014. if (cnt >= 1500) {
  11015. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11016. return -EINVAL;
  11017. }
  11018. /* Put the port in super isolate mode. */
  11019. bnx2x_cl45_read(bp, phy,
  11020. MDIO_CTL_DEVAD,
  11021. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11022. val |= MDIO_84833_SUPER_ISOLATE;
  11023. bnx2x_cl45_write(bp, phy,
  11024. MDIO_CTL_DEVAD,
  11025. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11026. /* Save spirom version */
  11027. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11028. return 0;
  11029. }
  11030. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11031. u32 shmem_base,
  11032. u32 shmem2_base,
  11033. u32 chip_id)
  11034. {
  11035. int rc = 0;
  11036. struct bnx2x_phy phy;
  11037. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11038. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11039. PORT_0, &phy)) {
  11040. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11041. return -EINVAL;
  11042. }
  11043. switch (phy.type) {
  11044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11045. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11046. break;
  11047. default:
  11048. break;
  11049. }
  11050. return rc;
  11051. }
  11052. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11053. u32 shmem2_base_path[], u8 phy_index,
  11054. u32 ext_phy_type, u32 chip_id)
  11055. {
  11056. int rc = 0;
  11057. switch (ext_phy_type) {
  11058. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11059. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11060. shmem2_base_path,
  11061. phy_index, chip_id);
  11062. break;
  11063. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11064. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11065. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11066. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11067. shmem2_base_path,
  11068. phy_index, chip_id);
  11069. break;
  11070. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11071. /*
  11072. * GPIO1 affects both ports, so there's need to pull
  11073. * it for single port alone
  11074. */
  11075. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11076. shmem2_base_path,
  11077. phy_index, chip_id);
  11078. break;
  11079. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11080. /*
  11081. * GPIO3's are linked, and so both need to be toggled
  11082. * to obtain required 2us pulse.
  11083. */
  11084. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11085. shmem2_base_path,
  11086. phy_index, chip_id);
  11087. break;
  11088. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11089. rc = -EINVAL;
  11090. break;
  11091. default:
  11092. DP(NETIF_MSG_LINK,
  11093. "ext_phy 0x%x common init not required\n",
  11094. ext_phy_type);
  11095. break;
  11096. }
  11097. if (rc != 0)
  11098. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11099. " Port %d\n",
  11100. 0);
  11101. return rc;
  11102. }
  11103. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11104. u32 shmem2_base_path[], u32 chip_id)
  11105. {
  11106. int rc = 0;
  11107. u32 phy_ver, val;
  11108. u8 phy_index = 0;
  11109. u32 ext_phy_type, ext_phy_config;
  11110. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11111. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11112. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11113. if (CHIP_IS_E3(bp)) {
  11114. /* Enable EPIO */
  11115. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11116. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11117. }
  11118. /* Check if common init was already done */
  11119. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11120. offsetof(struct shmem_region,
  11121. port_mb[PORT_0].ext_phy_fw_version));
  11122. if (phy_ver) {
  11123. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11124. phy_ver);
  11125. return 0;
  11126. }
  11127. /* Read the ext_phy_type for arbitrary port(0) */
  11128. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11129. phy_index++) {
  11130. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11131. shmem_base_path[0],
  11132. phy_index, 0);
  11133. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11134. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11135. shmem2_base_path,
  11136. phy_index, ext_phy_type,
  11137. chip_id);
  11138. }
  11139. return rc;
  11140. }
  11141. static void bnx2x_check_over_curr(struct link_params *params,
  11142. struct link_vars *vars)
  11143. {
  11144. struct bnx2x *bp = params->bp;
  11145. u32 cfg_pin;
  11146. u8 port = params->port;
  11147. u32 pin_val;
  11148. cfg_pin = (REG_RD(bp, params->shmem_base +
  11149. offsetof(struct shmem_region,
  11150. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11151. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11152. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11153. /* Ignore check if no external input PIN available */
  11154. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11155. return;
  11156. if (!pin_val) {
  11157. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11158. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11159. " been detected and the power to "
  11160. "that SFP+ module has been removed"
  11161. " to prevent failure of the card."
  11162. " Please remove the SFP+ module and"
  11163. " restart the system to clear this"
  11164. " error.\n",
  11165. params->port);
  11166. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11167. }
  11168. } else
  11169. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11170. }
  11171. static void bnx2x_analyze_link_error(struct link_params *params,
  11172. struct link_vars *vars, u32 lss_status)
  11173. {
  11174. struct bnx2x *bp = params->bp;
  11175. /* Compare new value with previous value */
  11176. u8 led_mode;
  11177. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11178. if ((lss_status ^ half_open_conn) == 0)
  11179. return;
  11180. /* If values differ */
  11181. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11182. half_open_conn, lss_status);
  11183. /*
  11184. * a. Update shmem->link_status accordingly
  11185. * b. Update link_vars->link_up
  11186. */
  11187. if (lss_status) {
  11188. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11189. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11190. vars->link_up = 0;
  11191. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11192. /*
  11193. * Set LED mode to off since the PHY doesn't know about these
  11194. * errors
  11195. */
  11196. led_mode = LED_MODE_OFF;
  11197. } else {
  11198. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11199. vars->link_status |= LINK_STATUS_LINK_UP;
  11200. vars->link_up = 1;
  11201. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11202. led_mode = LED_MODE_OPER;
  11203. }
  11204. /* Update the LED according to the link state */
  11205. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11206. /* Update link status in the shared memory */
  11207. bnx2x_update_mng(params, vars->link_status);
  11208. /* C. Trigger General Attention */
  11209. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11210. bnx2x_notify_link_changed(bp);
  11211. }
  11212. /******************************************************************************
  11213. * Description:
  11214. * This function checks for half opened connection change indication.
  11215. * When such change occurs, it calls the bnx2x_analyze_link_error
  11216. * to check if Remote Fault is set or cleared. Reception of remote fault
  11217. * status message in the MAC indicates that the peer's MAC has detected
  11218. * a fault, for example, due to break in the TX side of fiber.
  11219. *
  11220. ******************************************************************************/
  11221. static void bnx2x_check_half_open_conn(struct link_params *params,
  11222. struct link_vars *vars)
  11223. {
  11224. struct bnx2x *bp = params->bp;
  11225. u32 lss_status = 0;
  11226. u32 mac_base;
  11227. /* In case link status is physically up @ 10G do */
  11228. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11229. return;
  11230. if (CHIP_IS_E3(bp) &&
  11231. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11232. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11233. /* Check E3 XMAC */
  11234. /*
  11235. * Note that link speed cannot be queried here, since it may be
  11236. * zero while link is down. In case UMAC is active, LSS will
  11237. * simply not be set
  11238. */
  11239. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11240. /* Clear stick bits (Requires rising edge) */
  11241. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11242. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11243. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11244. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11245. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11246. lss_status = 1;
  11247. bnx2x_analyze_link_error(params, vars, lss_status);
  11248. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11249. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11250. /* Check E1X / E2 BMAC */
  11251. u32 lss_status_reg;
  11252. u32 wb_data[2];
  11253. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11254. NIG_REG_INGRESS_BMAC0_MEM;
  11255. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11256. if (CHIP_IS_E2(bp))
  11257. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11258. else
  11259. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11260. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11261. lss_status = (wb_data[0] > 0);
  11262. bnx2x_analyze_link_error(params, vars, lss_status);
  11263. }
  11264. }
  11265. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11266. {
  11267. struct bnx2x *bp = params->bp;
  11268. u16 phy_idx;
  11269. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11270. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11271. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11272. bnx2x_check_half_open_conn(params, vars);
  11273. break;
  11274. }
  11275. }
  11276. if (CHIP_IS_E3(bp)) {
  11277. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11278. bnx2x_set_aer_mmd(params, phy);
  11279. bnx2x_check_over_curr(params, vars);
  11280. bnx2x_warpcore_config_runtime(phy, params, vars);
  11281. }
  11282. }
  11283. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11284. {
  11285. u8 phy_index;
  11286. struct bnx2x_phy phy;
  11287. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11288. phy_index++) {
  11289. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11290. 0, &phy) != 0) {
  11291. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11292. return 0;
  11293. }
  11294. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11295. return 1;
  11296. }
  11297. return 0;
  11298. }
  11299. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11300. u32 shmem_base,
  11301. u32 shmem2_base,
  11302. u8 port)
  11303. {
  11304. u8 phy_index, fan_failure_det_req = 0;
  11305. struct bnx2x_phy phy;
  11306. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11307. phy_index++) {
  11308. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11309. port, &phy)
  11310. != 0) {
  11311. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11312. return 0;
  11313. }
  11314. fan_failure_det_req |= (phy.flags &
  11315. FLAGS_FAN_FAILURE_DET_REQ);
  11316. }
  11317. return fan_failure_det_req;
  11318. }
  11319. void bnx2x_hw_reset_phy(struct link_params *params)
  11320. {
  11321. u8 phy_index;
  11322. struct bnx2x *bp = params->bp;
  11323. bnx2x_update_mng(params, 0);
  11324. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11325. (NIG_MASK_XGXS0_LINK_STATUS |
  11326. NIG_MASK_XGXS0_LINK10G |
  11327. NIG_MASK_SERDES0_LINK_STATUS |
  11328. NIG_MASK_MI_INT));
  11329. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11330. phy_index++) {
  11331. if (params->phy[phy_index].hw_reset) {
  11332. params->phy[phy_index].hw_reset(
  11333. &params->phy[phy_index],
  11334. params);
  11335. params->phy[phy_index] = phy_null;
  11336. }
  11337. }
  11338. }
  11339. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11340. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11341. u8 port)
  11342. {
  11343. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11344. u32 val;
  11345. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11346. if (CHIP_IS_E3(bp)) {
  11347. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11348. shmem_base,
  11349. port,
  11350. &gpio_num,
  11351. &gpio_port) != 0)
  11352. return;
  11353. } else {
  11354. struct bnx2x_phy phy;
  11355. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11356. phy_index++) {
  11357. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11358. shmem2_base, port, &phy)
  11359. != 0) {
  11360. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11361. return;
  11362. }
  11363. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11364. gpio_num = MISC_REGISTERS_GPIO_3;
  11365. gpio_port = port;
  11366. break;
  11367. }
  11368. }
  11369. }
  11370. if (gpio_num == 0xff)
  11371. return;
  11372. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11373. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11374. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11375. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11376. gpio_port ^= (swap_val && swap_override);
  11377. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11378. (gpio_num + (gpio_port << 2));
  11379. sync_offset = shmem_base +
  11380. offsetof(struct shmem_region,
  11381. dev_info.port_hw_config[port].aeu_int_mask);
  11382. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11383. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11384. gpio_num, gpio_port, vars->aeu_int_mask);
  11385. if (port == 0)
  11386. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11387. else
  11388. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11389. /* Open appropriate AEU for interrupts */
  11390. aeu_mask = REG_RD(bp, offset);
  11391. aeu_mask |= vars->aeu_int_mask;
  11392. REG_WR(bp, offset, aeu_mask);
  11393. /* Enable the GPIO to trigger interrupt */
  11394. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11395. val |= 1 << (gpio_num + (gpio_port << 2));
  11396. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11397. }