bnx2x_link.c 373 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 void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3198. struct link_params *params,
  3199. struct link_vars *vars)
  3200. {
  3201. u16 ld_pause; /* local */
  3202. u16 lp_pause; /* link partner */
  3203. u16 pause_result;
  3204. struct bnx2x *bp = params->bp;
  3205. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3206. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3207. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3208. } else {
  3209. bnx2x_cl45_read(bp, phy,
  3210. MDIO_AN_DEVAD,
  3211. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3212. bnx2x_cl45_read(bp, phy,
  3213. MDIO_AN_DEVAD,
  3214. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3215. }
  3216. pause_result = (ld_pause &
  3217. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3218. pause_result |= (lp_pause &
  3219. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3220. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3221. bnx2x_pause_resolve(vars, pause_result);
  3222. }
  3223. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3224. struct link_params *params,
  3225. struct link_vars *vars)
  3226. {
  3227. u8 ret = 0;
  3228. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3229. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3230. /* Update the advertised flow-controled of LD/LP in AN */
  3231. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3232. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3233. /* But set the flow-control result as the requested one */
  3234. vars->flow_ctrl = phy->req_flow_ctrl;
  3235. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3236. vars->flow_ctrl = params->req_fc_auto_adv;
  3237. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3238. ret = 1;
  3239. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3240. }
  3241. return ret;
  3242. }
  3243. /******************************************************************/
  3244. /* Warpcore section */
  3245. /******************************************************************/
  3246. /* The init_internal_warpcore should mirror the xgxs,
  3247. * i.e. reset the lane (if needed), set aer for the
  3248. * init configuration, and set/clear SGMII flag. Internal
  3249. * phy init is done purely in phy_init stage.
  3250. */
  3251. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3252. struct link_params *params,
  3253. struct link_vars *vars) {
  3254. u16 val16 = 0, lane, bam37 = 0;
  3255. struct bnx2x *bp = params->bp;
  3256. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3257. /* Disable Autoneg: re-enable it after adv is done. */
  3258. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3259. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3260. /* Check adding advertisement for 1G KX */
  3261. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3262. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3263. (vars->line_speed == SPEED_1000)) {
  3264. u16 sd_digital;
  3265. val16 |= (1<<5);
  3266. /* Enable CL37 1G Parallel Detect */
  3267. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3268. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3269. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3270. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3271. (sd_digital | 0x1));
  3272. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3273. }
  3274. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3275. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3276. (vars->line_speed == SPEED_10000)) {
  3277. /* Check adding advertisement for 10G KR */
  3278. val16 |= (1<<7);
  3279. /* Enable 10G Parallel Detect */
  3280. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3281. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3282. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3283. }
  3284. /* Set Transmit PMD settings */
  3285. lane = bnx2x_get_warpcore_lane(phy, params);
  3286. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3288. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3289. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3290. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3291. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3293. 0x03f0);
  3294. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3295. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3296. 0x03f0);
  3297. /* Advertised speeds */
  3298. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3299. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3300. /* Advertised and set FEC (Forward Error Correction) */
  3301. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3302. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3303. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3304. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3305. /* Enable CL37 BAM */
  3306. if (REG_RD(bp, params->shmem_base +
  3307. offsetof(struct shmem_region, dev_info.
  3308. port_hw_config[params->port].default_cfg)) &
  3309. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3310. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3312. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3313. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3314. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3315. }
  3316. /* Advertise pause */
  3317. bnx2x_ext_phy_set_pause(params, phy, vars);
  3318. /*
  3319. * Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3320. */
  3321. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3323. if (val16 < 0xd108) {
  3324. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3325. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3326. }
  3327. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3329. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3331. /* Over 1G - AN local device user page 1 */
  3332. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3333. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3334. /* Enable Autoneg */
  3335. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3336. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3337. }
  3338. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3339. struct link_params *params,
  3340. struct link_vars *vars)
  3341. {
  3342. struct bnx2x *bp = params->bp;
  3343. u16 val;
  3344. /* Disable Autoneg */
  3345. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3347. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3348. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3351. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3352. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3353. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3354. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3359. /* Disable CL36 PCS Tx */
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3362. /* Double Wide Single Data Rate @ pll rate */
  3363. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3365. /* Leave cl72 training enable, needed for KR */
  3366. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3367. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3368. 0x2);
  3369. /* Leave CL72 enabled */
  3370. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3372. &val);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3375. val | 0x3800);
  3376. /* Set speed via PMA/PMD register */
  3377. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3378. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3379. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3380. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3381. /*Enable encoded forced speed */
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3384. /* Turn TX scramble payload only the 64/66 scrambler */
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3387. /* Turn RX scramble payload only the 64/66 scrambler */
  3388. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3390. /* set and clear loopback to cause a reset to 64/66 decoder */
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3393. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3395. }
  3396. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3397. struct link_params *params,
  3398. u8 is_xfi)
  3399. {
  3400. struct bnx2x *bp = params->bp;
  3401. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3402. /* Hold rxSeqStart */
  3403. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3404. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3405. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3407. /* Hold tx_fifo_reset */
  3408. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3412. /* Disable CL73 AN */
  3413. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3414. /* Disable 100FX Enable and Auto-Detect */
  3415. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_FX100_CTRL1, &val);
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3419. /* Disable 100FX Idle detect */
  3420. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_FX100_CTRL3, &val);
  3422. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3424. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3425. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3429. /* Turn off auto-detect & fiber mode */
  3430. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3434. (val & 0xFFEE));
  3435. /* Set filter_force_link, disable_false_link and parallel_detect */
  3436. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3438. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3440. ((val | 0x0006) & 0xFFFE));
  3441. /* Set XFI / SFI */
  3442. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3444. misc1_val &= ~(0x1f);
  3445. if (is_xfi) {
  3446. misc1_val |= 0x5;
  3447. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3448. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3449. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3450. tx_driver_val =
  3451. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3452. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3453. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3454. } else {
  3455. misc1_val |= 0x9;
  3456. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3457. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3458. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3459. tx_driver_val =
  3460. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3461. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3462. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3463. }
  3464. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3466. /* Set Transmit PMD settings */
  3467. lane = bnx2x_get_warpcore_lane(phy, params);
  3468. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_TX_FIR_TAP,
  3470. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3473. tx_driver_val);
  3474. /* Enable fiber mode, enable and invert sig_det */
  3475. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3477. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3479. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3482. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3484. /* 10G XFI Full Duplex */
  3485. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3487. /* Release tx_fifo_reset */
  3488. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3489. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3492. /* Release rxSeqStart */
  3493. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3497. }
  3498. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3499. struct bnx2x_phy *phy)
  3500. {
  3501. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3502. }
  3503. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3504. struct bnx2x_phy *phy,
  3505. u16 lane)
  3506. {
  3507. /* Rx0 anaRxControl1G */
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3510. /* Rx2 anaRxControl1G */
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3521. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3523. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3527. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3529. /* Serdes Digital Misc1 */
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3532. /* Serdes Digital4 Misc3 */
  3533. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3535. /* Set Transmit PMD settings */
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_TX_FIR_TAP,
  3538. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3539. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3540. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3541. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3544. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3545. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3546. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3547. }
  3548. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3549. struct link_params *params,
  3550. u8 fiber_mode,
  3551. u8 always_autoneg)
  3552. {
  3553. struct bnx2x *bp = params->bp;
  3554. u16 val16, digctrl_kx1, digctrl_kx2;
  3555. /* Clear XFI clock comp in non-10G single lane mode. */
  3556. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_RX66_CONTROL, &val16);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3560. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3561. /* SGMII Autoneg */
  3562. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3566. val16 | 0x1000);
  3567. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3568. } else {
  3569. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3571. val16 &= 0xcebf;
  3572. switch (phy->req_line_speed) {
  3573. case SPEED_10:
  3574. break;
  3575. case SPEED_100:
  3576. val16 |= 0x2000;
  3577. break;
  3578. case SPEED_1000:
  3579. val16 |= 0x0040;
  3580. break;
  3581. default:
  3582. DP(NETIF_MSG_LINK,
  3583. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3584. return;
  3585. }
  3586. if (phy->req_duplex == DUPLEX_FULL)
  3587. val16 |= 0x0100;
  3588. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3589. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3590. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3591. phy->req_line_speed);
  3592. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3593. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3594. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3595. }
  3596. /* SGMII Slave mode and disable signal detect */
  3597. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3599. if (fiber_mode)
  3600. digctrl_kx1 = 1;
  3601. else
  3602. digctrl_kx1 &= 0xff4a;
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3605. digctrl_kx1);
  3606. /* Turn off parallel detect */
  3607. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3608. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3609. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3611. (digctrl_kx2 & ~(1<<2)));
  3612. /* Re-enable parallel detect */
  3613. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3614. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3615. (digctrl_kx2 | (1<<2)));
  3616. /* Enable autodet */
  3617. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3618. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3619. (digctrl_kx1 | 0x10));
  3620. }
  3621. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3622. struct bnx2x_phy *phy,
  3623. u8 reset)
  3624. {
  3625. u16 val;
  3626. /* Take lane out of reset after configuration is finished */
  3627. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3629. if (reset)
  3630. val |= 0xC000;
  3631. else
  3632. val &= 0x3FFF;
  3633. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3635. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3637. }
  3638. /* Clear SFI/XFI link settings registers */
  3639. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3640. struct link_params *params,
  3641. u16 lane)
  3642. {
  3643. struct bnx2x *bp = params->bp;
  3644. u16 val16;
  3645. /* Set XFI clock comp as default. */
  3646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_RX66_CONTROL, &val16);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3650. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3651. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3654. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3658. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3659. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3660. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3661. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3662. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3663. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3664. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3666. lane = bnx2x_get_warpcore_lane(phy, params);
  3667. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3668. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3669. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3670. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3671. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3672. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3673. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3674. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3675. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3676. }
  3677. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3678. u32 chip_id,
  3679. u32 shmem_base, u8 port,
  3680. u8 *gpio_num, u8 *gpio_port)
  3681. {
  3682. u32 cfg_pin;
  3683. *gpio_num = 0;
  3684. *gpio_port = 0;
  3685. if (CHIP_IS_E3(bp)) {
  3686. cfg_pin = (REG_RD(bp, shmem_base +
  3687. offsetof(struct shmem_region,
  3688. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3689. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3690. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3691. /*
  3692. * Should not happen. This function called upon interrupt
  3693. * triggered by GPIO ( since EPIO can only generate interrupts
  3694. * to MCP).
  3695. * So if this function was called and none of the GPIOs was set,
  3696. * it means the shit hit the fan.
  3697. */
  3698. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3699. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3700. DP(NETIF_MSG_LINK,
  3701. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3702. cfg_pin);
  3703. return -EINVAL;
  3704. }
  3705. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3706. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3707. } else {
  3708. *gpio_num = MISC_REGISTERS_GPIO_3;
  3709. *gpio_port = port;
  3710. }
  3711. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3712. return 0;
  3713. }
  3714. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3715. struct link_params *params)
  3716. {
  3717. struct bnx2x *bp = params->bp;
  3718. u8 gpio_num, gpio_port;
  3719. u32 gpio_val;
  3720. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3721. params->shmem_base, params->port,
  3722. &gpio_num, &gpio_port) != 0)
  3723. return 0;
  3724. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3725. /* Call the handling function in case module is detected */
  3726. if (gpio_val == 0)
  3727. return 1;
  3728. else
  3729. return 0;
  3730. }
  3731. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3732. struct link_params *params)
  3733. {
  3734. u16 gp2_status_reg0, lane;
  3735. struct bnx2x *bp = params->bp;
  3736. lane = bnx2x_get_warpcore_lane(phy, params);
  3737. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3738. &gp2_status_reg0);
  3739. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3740. }
  3741. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3742. struct link_params *params,
  3743. struct link_vars *vars)
  3744. {
  3745. struct bnx2x *bp = params->bp;
  3746. u32 serdes_net_if;
  3747. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3748. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3749. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3750. if (!vars->turn_to_run_wc_rt)
  3751. return;
  3752. /* return if there is no link partner */
  3753. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3754. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3755. return;
  3756. }
  3757. if (vars->rx_tx_asic_rst) {
  3758. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3759. offsetof(struct shmem_region, dev_info.
  3760. port_hw_config[params->port].default_cfg)) &
  3761. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3762. switch (serdes_net_if) {
  3763. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3764. /* Do we get link yet? */
  3765. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3766. &gp_status1);
  3767. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3768. /*10G KR*/
  3769. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3770. DP(NETIF_MSG_LINK,
  3771. "gp_status1 0x%x\n", gp_status1);
  3772. if (lnkup_kr || lnkup) {
  3773. vars->rx_tx_asic_rst = 0;
  3774. DP(NETIF_MSG_LINK,
  3775. "link up, rx_tx_asic_rst 0x%x\n",
  3776. vars->rx_tx_asic_rst);
  3777. } else {
  3778. /*reset the lane to see if link comes up.*/
  3779. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3780. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3781. /* restart Autoneg */
  3782. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3783. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3784. vars->rx_tx_asic_rst--;
  3785. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3786. vars->rx_tx_asic_rst);
  3787. }
  3788. break;
  3789. default:
  3790. break;
  3791. }
  3792. } /*params->rx_tx_asic_rst*/
  3793. }
  3794. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3795. struct link_params *params,
  3796. struct link_vars *vars)
  3797. {
  3798. struct bnx2x *bp = params->bp;
  3799. u32 serdes_net_if;
  3800. u8 fiber_mode;
  3801. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3802. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3803. offsetof(struct shmem_region, dev_info.
  3804. port_hw_config[params->port].default_cfg)) &
  3805. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3806. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3807. "serdes_net_if = 0x%x\n",
  3808. vars->line_speed, serdes_net_if);
  3809. bnx2x_set_aer_mmd(params, phy);
  3810. vars->phy_flags |= PHY_XGXS_FLAG;
  3811. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3812. (phy->req_line_speed &&
  3813. ((phy->req_line_speed == SPEED_100) ||
  3814. (phy->req_line_speed == SPEED_10)))) {
  3815. vars->phy_flags |= PHY_SGMII_FLAG;
  3816. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3817. bnx2x_warpcore_clear_regs(phy, params, lane);
  3818. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3819. } else {
  3820. switch (serdes_net_if) {
  3821. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3822. /* Enable KR Auto Neg */
  3823. if (params->loopback_mode == LOOPBACK_NONE)
  3824. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3825. else {
  3826. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3827. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3828. }
  3829. break;
  3830. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3831. bnx2x_warpcore_clear_regs(phy, params, lane);
  3832. if (vars->line_speed == SPEED_10000) {
  3833. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3834. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3835. } else {
  3836. if (SINGLE_MEDIA_DIRECT(params)) {
  3837. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3838. fiber_mode = 1;
  3839. } else {
  3840. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3841. fiber_mode = 0;
  3842. }
  3843. bnx2x_warpcore_set_sgmii_speed(phy,
  3844. params,
  3845. fiber_mode,
  3846. 0);
  3847. }
  3848. break;
  3849. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3850. bnx2x_warpcore_clear_regs(phy, params, lane);
  3851. if (vars->line_speed == SPEED_10000) {
  3852. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3853. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3854. } else if (vars->line_speed == SPEED_1000) {
  3855. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3856. bnx2x_warpcore_set_sgmii_speed(
  3857. phy, params, 1, 0);
  3858. }
  3859. /* Issue Module detection */
  3860. if (bnx2x_is_sfp_module_plugged(phy, params))
  3861. bnx2x_sfp_module_detection(phy, params);
  3862. break;
  3863. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3864. if (vars->line_speed != SPEED_20000) {
  3865. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3866. return;
  3867. }
  3868. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3869. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3870. /* Issue Module detection */
  3871. bnx2x_sfp_module_detection(phy, params);
  3872. break;
  3873. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3874. if (vars->line_speed != SPEED_20000) {
  3875. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3876. return;
  3877. }
  3878. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3879. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3880. break;
  3881. default:
  3882. DP(NETIF_MSG_LINK,
  3883. "Unsupported Serdes Net Interface 0x%x\n",
  3884. serdes_net_if);
  3885. return;
  3886. }
  3887. }
  3888. /* Take lane out of reset after configuration is finished */
  3889. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3890. DP(NETIF_MSG_LINK, "Exit config init\n");
  3891. }
  3892. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3893. struct bnx2x_phy *phy,
  3894. u8 tx_en)
  3895. {
  3896. struct bnx2x *bp = params->bp;
  3897. u32 cfg_pin;
  3898. u8 port = params->port;
  3899. cfg_pin = REG_RD(bp, params->shmem_base +
  3900. offsetof(struct shmem_region,
  3901. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3902. PORT_HW_CFG_TX_LASER_MASK;
  3903. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3904. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3905. /* For 20G, the expected pin to be used is 3 pins after the current */
  3906. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3907. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3908. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3909. }
  3910. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3911. struct link_params *params)
  3912. {
  3913. struct bnx2x *bp = params->bp;
  3914. u16 val16;
  3915. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3916. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3917. bnx2x_set_aer_mmd(params, phy);
  3918. /* Global register */
  3919. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3920. /* Clear loopback settings (if any) */
  3921. /* 10G & 20G */
  3922. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3923. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3924. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3925. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3926. 0xBFFF);
  3927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3928. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3929. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3930. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3931. /* Update those 1-copy registers */
  3932. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3933. MDIO_AER_BLOCK_AER_REG, 0);
  3934. /* Enable 1G MDIO (1-copy) */
  3935. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3936. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3937. &val16);
  3938. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3939. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3940. val16 & ~0x10);
  3941. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3942. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3943. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3944. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3945. val16 & 0xff00);
  3946. }
  3947. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3948. struct link_params *params)
  3949. {
  3950. struct bnx2x *bp = params->bp;
  3951. u16 val16;
  3952. u32 lane;
  3953. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3954. params->loopback_mode, phy->req_line_speed);
  3955. if (phy->req_line_speed < SPEED_10000) {
  3956. /* 10/100/1000 */
  3957. /* Update those 1-copy registers */
  3958. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3959. MDIO_AER_BLOCK_AER_REG, 0);
  3960. /* Enable 1G MDIO (1-copy) */
  3961. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3962. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3963. &val16);
  3964. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3965. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3966. val16 | 0x10);
  3967. /* Set 1G loopback based on lane (1-copy) */
  3968. lane = bnx2x_get_warpcore_lane(phy, params);
  3969. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3970. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3971. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3972. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3973. val16 | (1<<lane));
  3974. /* Switch back to 4-copy registers */
  3975. bnx2x_set_aer_mmd(params, phy);
  3976. } else {
  3977. /* 10G & 20G */
  3978. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3979. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3980. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3981. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3982. 0x4000);
  3983. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3985. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3986. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3987. }
  3988. }
  3989. void bnx2x_sync_link(struct link_params *params,
  3990. struct link_vars *vars)
  3991. {
  3992. struct bnx2x *bp = params->bp;
  3993. u8 link_10g_plus;
  3994. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3995. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3996. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3997. if (vars->link_up) {
  3998. DP(NETIF_MSG_LINK, "phy link up\n");
  3999. vars->phy_link_up = 1;
  4000. vars->duplex = DUPLEX_FULL;
  4001. switch (vars->link_status &
  4002. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4003. case LINK_10THD:
  4004. vars->duplex = DUPLEX_HALF;
  4005. /* fall thru */
  4006. case LINK_10TFD:
  4007. vars->line_speed = SPEED_10;
  4008. break;
  4009. case LINK_100TXHD:
  4010. vars->duplex = DUPLEX_HALF;
  4011. /* fall thru */
  4012. case LINK_100T4:
  4013. case LINK_100TXFD:
  4014. vars->line_speed = SPEED_100;
  4015. break;
  4016. case LINK_1000THD:
  4017. vars->duplex = DUPLEX_HALF;
  4018. /* fall thru */
  4019. case LINK_1000TFD:
  4020. vars->line_speed = SPEED_1000;
  4021. break;
  4022. case LINK_2500THD:
  4023. vars->duplex = DUPLEX_HALF;
  4024. /* fall thru */
  4025. case LINK_2500TFD:
  4026. vars->line_speed = SPEED_2500;
  4027. break;
  4028. case LINK_10GTFD:
  4029. vars->line_speed = SPEED_10000;
  4030. break;
  4031. case LINK_20GTFD:
  4032. vars->line_speed = SPEED_20000;
  4033. break;
  4034. default:
  4035. break;
  4036. }
  4037. vars->flow_ctrl = 0;
  4038. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4039. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4040. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4041. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4042. if (!vars->flow_ctrl)
  4043. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4044. if (vars->line_speed &&
  4045. ((vars->line_speed == SPEED_10) ||
  4046. (vars->line_speed == SPEED_100))) {
  4047. vars->phy_flags |= PHY_SGMII_FLAG;
  4048. } else {
  4049. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4050. }
  4051. if (vars->line_speed &&
  4052. USES_WARPCORE(bp) &&
  4053. (vars->line_speed == SPEED_1000))
  4054. vars->phy_flags |= PHY_SGMII_FLAG;
  4055. /* anything 10 and over uses the bmac */
  4056. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4057. if (link_10g_plus) {
  4058. if (USES_WARPCORE(bp))
  4059. vars->mac_type = MAC_TYPE_XMAC;
  4060. else
  4061. vars->mac_type = MAC_TYPE_BMAC;
  4062. } else {
  4063. if (USES_WARPCORE(bp))
  4064. vars->mac_type = MAC_TYPE_UMAC;
  4065. else
  4066. vars->mac_type = MAC_TYPE_EMAC;
  4067. }
  4068. } else { /* link down */
  4069. DP(NETIF_MSG_LINK, "phy link down\n");
  4070. vars->phy_link_up = 0;
  4071. vars->line_speed = 0;
  4072. vars->duplex = DUPLEX_FULL;
  4073. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4074. /* indicate no mac active */
  4075. vars->mac_type = MAC_TYPE_NONE;
  4076. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4077. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4078. }
  4079. }
  4080. void bnx2x_link_status_update(struct link_params *params,
  4081. struct link_vars *vars)
  4082. {
  4083. struct bnx2x *bp = params->bp;
  4084. u8 port = params->port;
  4085. u32 sync_offset, media_types;
  4086. /* Update PHY configuration */
  4087. set_phy_vars(params, vars);
  4088. vars->link_status = REG_RD(bp, params->shmem_base +
  4089. offsetof(struct shmem_region,
  4090. port_mb[port].link_status));
  4091. vars->phy_flags = PHY_XGXS_FLAG;
  4092. bnx2x_sync_link(params, vars);
  4093. /* Sync media type */
  4094. sync_offset = params->shmem_base +
  4095. offsetof(struct shmem_region,
  4096. dev_info.port_hw_config[port].media_type);
  4097. media_types = REG_RD(bp, sync_offset);
  4098. params->phy[INT_PHY].media_type =
  4099. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4100. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4101. params->phy[EXT_PHY1].media_type =
  4102. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4103. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4104. params->phy[EXT_PHY2].media_type =
  4105. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4106. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4107. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4108. /* Sync AEU offset */
  4109. sync_offset = params->shmem_base +
  4110. offsetof(struct shmem_region,
  4111. dev_info.port_hw_config[port].aeu_int_mask);
  4112. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4113. /* Sync PFC status */
  4114. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4115. params->feature_config_flags |=
  4116. FEATURE_CONFIG_PFC_ENABLED;
  4117. else
  4118. params->feature_config_flags &=
  4119. ~FEATURE_CONFIG_PFC_ENABLED;
  4120. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4121. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4122. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4123. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4124. }
  4125. static void bnx2x_set_master_ln(struct link_params *params,
  4126. struct bnx2x_phy *phy)
  4127. {
  4128. struct bnx2x *bp = params->bp;
  4129. u16 new_master_ln, ser_lane;
  4130. ser_lane = ((params->lane_config &
  4131. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4132. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4133. /* set the master_ln for AN */
  4134. CL22_RD_OVER_CL45(bp, phy,
  4135. MDIO_REG_BANK_XGXS_BLOCK2,
  4136. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4137. &new_master_ln);
  4138. CL22_WR_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4140. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4141. (new_master_ln | ser_lane));
  4142. }
  4143. static int bnx2x_reset_unicore(struct link_params *params,
  4144. struct bnx2x_phy *phy,
  4145. u8 set_serdes)
  4146. {
  4147. struct bnx2x *bp = params->bp;
  4148. u16 mii_control;
  4149. u16 i;
  4150. CL22_RD_OVER_CL45(bp, phy,
  4151. MDIO_REG_BANK_COMBO_IEEE0,
  4152. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4153. /* reset the unicore */
  4154. CL22_WR_OVER_CL45(bp, phy,
  4155. MDIO_REG_BANK_COMBO_IEEE0,
  4156. MDIO_COMBO_IEEE0_MII_CONTROL,
  4157. (mii_control |
  4158. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4159. if (set_serdes)
  4160. bnx2x_set_serdes_access(bp, params->port);
  4161. /* wait for the reset to self clear */
  4162. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4163. udelay(5);
  4164. /* the reset erased the previous bank value */
  4165. CL22_RD_OVER_CL45(bp, phy,
  4166. MDIO_REG_BANK_COMBO_IEEE0,
  4167. MDIO_COMBO_IEEE0_MII_CONTROL,
  4168. &mii_control);
  4169. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4170. udelay(5);
  4171. return 0;
  4172. }
  4173. }
  4174. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4175. " Port %d\n",
  4176. params->port);
  4177. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4178. return -EINVAL;
  4179. }
  4180. static void bnx2x_set_swap_lanes(struct link_params *params,
  4181. struct bnx2x_phy *phy)
  4182. {
  4183. struct bnx2x *bp = params->bp;
  4184. /*
  4185. * Each two bits represents a lane number:
  4186. * No swap is 0123 => 0x1b no need to enable the swap
  4187. */
  4188. u16 rx_lane_swap, tx_lane_swap;
  4189. rx_lane_swap = ((params->lane_config &
  4190. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4191. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4192. tx_lane_swap = ((params->lane_config &
  4193. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4194. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4195. if (rx_lane_swap != 0x1b) {
  4196. CL22_WR_OVER_CL45(bp, phy,
  4197. MDIO_REG_BANK_XGXS_BLOCK2,
  4198. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4199. (rx_lane_swap |
  4200. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4201. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4202. } else {
  4203. CL22_WR_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_XGXS_BLOCK2,
  4205. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4206. }
  4207. if (tx_lane_swap != 0x1b) {
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_XGXS_BLOCK2,
  4210. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4211. (tx_lane_swap |
  4212. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4213. } else {
  4214. CL22_WR_OVER_CL45(bp, phy,
  4215. MDIO_REG_BANK_XGXS_BLOCK2,
  4216. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4217. }
  4218. }
  4219. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4220. struct link_params *params)
  4221. {
  4222. struct bnx2x *bp = params->bp;
  4223. u16 control2;
  4224. CL22_RD_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_SERDES_DIGITAL,
  4226. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4227. &control2);
  4228. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4229. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4230. else
  4231. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4232. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4233. phy->speed_cap_mask, control2);
  4234. CL22_WR_OVER_CL45(bp, phy,
  4235. MDIO_REG_BANK_SERDES_DIGITAL,
  4236. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4237. control2);
  4238. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4239. (phy->speed_cap_mask &
  4240. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4241. DP(NETIF_MSG_LINK, "XGXS\n");
  4242. CL22_WR_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4244. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4245. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4246. CL22_RD_OVER_CL45(bp, phy,
  4247. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4248. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4249. &control2);
  4250. control2 |=
  4251. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4252. CL22_WR_OVER_CL45(bp, phy,
  4253. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4254. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4255. control2);
  4256. /* Disable parallel detection of HiG */
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_XGXS_BLOCK2,
  4259. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4260. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4261. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4262. }
  4263. }
  4264. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4265. struct link_params *params,
  4266. struct link_vars *vars,
  4267. u8 enable_cl73)
  4268. {
  4269. struct bnx2x *bp = params->bp;
  4270. u16 reg_val;
  4271. /* CL37 Autoneg */
  4272. CL22_RD_OVER_CL45(bp, phy,
  4273. MDIO_REG_BANK_COMBO_IEEE0,
  4274. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4275. /* CL37 Autoneg Enabled */
  4276. if (vars->line_speed == SPEED_AUTO_NEG)
  4277. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4278. else /* CL37 Autoneg Disabled */
  4279. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4280. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4281. CL22_WR_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_COMBO_IEEE0,
  4283. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4284. /* Enable/Disable Autodetection */
  4285. CL22_RD_OVER_CL45(bp, phy,
  4286. MDIO_REG_BANK_SERDES_DIGITAL,
  4287. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4288. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4289. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4290. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4291. if (vars->line_speed == SPEED_AUTO_NEG)
  4292. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4293. else
  4294. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4295. CL22_WR_OVER_CL45(bp, phy,
  4296. MDIO_REG_BANK_SERDES_DIGITAL,
  4297. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4298. /* Enable TetonII and BAM autoneg */
  4299. CL22_RD_OVER_CL45(bp, phy,
  4300. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4301. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4302. &reg_val);
  4303. if (vars->line_speed == SPEED_AUTO_NEG) {
  4304. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4305. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4306. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4307. } else {
  4308. /* TetonII and BAM Autoneg Disabled */
  4309. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4310. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4311. }
  4312. CL22_WR_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4314. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4315. reg_val);
  4316. if (enable_cl73) {
  4317. /* Enable Cl73 FSM status bits */
  4318. CL22_WR_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_CL73_USERB0,
  4320. MDIO_CL73_USERB0_CL73_UCTRL,
  4321. 0xe);
  4322. /* Enable BAM Station Manager*/
  4323. CL22_WR_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_CL73_USERB0,
  4325. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4326. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4327. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4328. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4329. /* Advertise CL73 link speeds */
  4330. CL22_RD_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_CL73_IEEEB1,
  4332. MDIO_CL73_IEEEB1_AN_ADV2,
  4333. &reg_val);
  4334. if (phy->speed_cap_mask &
  4335. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4336. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4337. if (phy->speed_cap_mask &
  4338. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4339. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4340. CL22_WR_OVER_CL45(bp, phy,
  4341. MDIO_REG_BANK_CL73_IEEEB1,
  4342. MDIO_CL73_IEEEB1_AN_ADV2,
  4343. reg_val);
  4344. /* CL73 Autoneg Enabled */
  4345. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4346. } else /* CL73 Autoneg Disabled */
  4347. reg_val = 0;
  4348. CL22_WR_OVER_CL45(bp, phy,
  4349. MDIO_REG_BANK_CL73_IEEEB0,
  4350. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4351. }
  4352. /* program SerDes, forced speed */
  4353. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4354. struct link_params *params,
  4355. struct link_vars *vars)
  4356. {
  4357. struct bnx2x *bp = params->bp;
  4358. u16 reg_val;
  4359. /* program duplex, disable autoneg and sgmii*/
  4360. CL22_RD_OVER_CL45(bp, phy,
  4361. MDIO_REG_BANK_COMBO_IEEE0,
  4362. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4363. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4364. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4365. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4366. if (phy->req_duplex == DUPLEX_FULL)
  4367. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4368. CL22_WR_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_COMBO_IEEE0,
  4370. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4371. /*
  4372. * program speed
  4373. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4374. */
  4375. CL22_RD_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_SERDES_DIGITAL,
  4377. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4378. /* clearing the speed value before setting the right speed */
  4379. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4380. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4381. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4382. if (!((vars->line_speed == SPEED_1000) ||
  4383. (vars->line_speed == SPEED_100) ||
  4384. (vars->line_speed == SPEED_10))) {
  4385. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4386. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4387. if (vars->line_speed == SPEED_10000)
  4388. reg_val |=
  4389. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4390. }
  4391. CL22_WR_OVER_CL45(bp, phy,
  4392. MDIO_REG_BANK_SERDES_DIGITAL,
  4393. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4394. }
  4395. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4396. struct link_params *params)
  4397. {
  4398. struct bnx2x *bp = params->bp;
  4399. u16 val = 0;
  4400. /* configure the 48 bits for BAM AN */
  4401. /* set extended capabilities */
  4402. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4403. val |= MDIO_OVER_1G_UP1_2_5G;
  4404. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4405. val |= MDIO_OVER_1G_UP1_10G;
  4406. CL22_WR_OVER_CL45(bp, phy,
  4407. MDIO_REG_BANK_OVER_1G,
  4408. MDIO_OVER_1G_UP1, val);
  4409. CL22_WR_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_OVER_1G,
  4411. MDIO_OVER_1G_UP3, 0x400);
  4412. }
  4413. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4414. struct link_params *params,
  4415. u16 ieee_fc)
  4416. {
  4417. struct bnx2x *bp = params->bp;
  4418. u16 val;
  4419. /* for AN, we are always publishing full duplex */
  4420. CL22_WR_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_COMBO_IEEE0,
  4422. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4423. CL22_RD_OVER_CL45(bp, phy,
  4424. MDIO_REG_BANK_CL73_IEEEB1,
  4425. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4426. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4427. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4428. CL22_WR_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_CL73_IEEEB1,
  4430. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4431. }
  4432. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4433. struct link_params *params,
  4434. u8 enable_cl73)
  4435. {
  4436. struct bnx2x *bp = params->bp;
  4437. u16 mii_control;
  4438. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4439. /* Enable and restart BAM/CL37 aneg */
  4440. if (enable_cl73) {
  4441. CL22_RD_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_CL73_IEEEB0,
  4443. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4444. &mii_control);
  4445. CL22_WR_OVER_CL45(bp, phy,
  4446. MDIO_REG_BANK_CL73_IEEEB0,
  4447. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4448. (mii_control |
  4449. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4450. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4451. } else {
  4452. CL22_RD_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_COMBO_IEEE0,
  4454. MDIO_COMBO_IEEE0_MII_CONTROL,
  4455. &mii_control);
  4456. DP(NETIF_MSG_LINK,
  4457. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4458. mii_control);
  4459. CL22_WR_OVER_CL45(bp, phy,
  4460. MDIO_REG_BANK_COMBO_IEEE0,
  4461. MDIO_COMBO_IEEE0_MII_CONTROL,
  4462. (mii_control |
  4463. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4464. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4465. }
  4466. }
  4467. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4468. struct link_params *params,
  4469. struct link_vars *vars)
  4470. {
  4471. struct bnx2x *bp = params->bp;
  4472. u16 control1;
  4473. /* in SGMII mode, the unicore is always slave */
  4474. CL22_RD_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_SERDES_DIGITAL,
  4476. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4477. &control1);
  4478. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4479. /* set sgmii mode (and not fiber) */
  4480. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4481. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4482. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4483. CL22_WR_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_SERDES_DIGITAL,
  4485. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4486. control1);
  4487. /* if forced speed */
  4488. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4489. /* set speed, disable autoneg */
  4490. u16 mii_control;
  4491. CL22_RD_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_MII_CONTROL,
  4494. &mii_control);
  4495. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4496. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4497. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4498. switch (vars->line_speed) {
  4499. case SPEED_100:
  4500. mii_control |=
  4501. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4502. break;
  4503. case SPEED_1000:
  4504. mii_control |=
  4505. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4506. break;
  4507. case SPEED_10:
  4508. /* there is nothing to set for 10M */
  4509. break;
  4510. default:
  4511. /* invalid speed for SGMII */
  4512. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4513. vars->line_speed);
  4514. break;
  4515. }
  4516. /* setting the full duplex */
  4517. if (phy->req_duplex == DUPLEX_FULL)
  4518. mii_control |=
  4519. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4520. CL22_WR_OVER_CL45(bp, phy,
  4521. MDIO_REG_BANK_COMBO_IEEE0,
  4522. MDIO_COMBO_IEEE0_MII_CONTROL,
  4523. mii_control);
  4524. } else { /* AN mode */
  4525. /* enable and restart AN */
  4526. bnx2x_restart_autoneg(phy, params, 0);
  4527. }
  4528. }
  4529. /*
  4530. * link management
  4531. */
  4532. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4533. struct link_params *params)
  4534. {
  4535. struct bnx2x *bp = params->bp;
  4536. u16 pd_10g, status2_1000x;
  4537. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4538. return 0;
  4539. CL22_RD_OVER_CL45(bp, phy,
  4540. MDIO_REG_BANK_SERDES_DIGITAL,
  4541. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4542. &status2_1000x);
  4543. CL22_RD_OVER_CL45(bp, phy,
  4544. MDIO_REG_BANK_SERDES_DIGITAL,
  4545. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4546. &status2_1000x);
  4547. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4548. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4549. params->port);
  4550. return 1;
  4551. }
  4552. CL22_RD_OVER_CL45(bp, phy,
  4553. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4554. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4555. &pd_10g);
  4556. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4557. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4558. params->port);
  4559. return 1;
  4560. }
  4561. return 0;
  4562. }
  4563. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4564. struct link_params *params,
  4565. struct link_vars *vars,
  4566. u32 gp_status)
  4567. {
  4568. u16 ld_pause; /* local driver */
  4569. u16 lp_pause; /* link partner */
  4570. u16 pause_result;
  4571. struct bnx2x *bp = params->bp;
  4572. if ((gp_status &
  4573. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4574. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4575. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4576. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4577. CL22_RD_OVER_CL45(bp, phy,
  4578. MDIO_REG_BANK_CL73_IEEEB1,
  4579. MDIO_CL73_IEEEB1_AN_ADV1,
  4580. &ld_pause);
  4581. CL22_RD_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_CL73_IEEEB1,
  4583. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4584. &lp_pause);
  4585. pause_result = (ld_pause &
  4586. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4587. pause_result |= (lp_pause &
  4588. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4589. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4590. } else {
  4591. CL22_RD_OVER_CL45(bp, phy,
  4592. MDIO_REG_BANK_COMBO_IEEE0,
  4593. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4594. &ld_pause);
  4595. CL22_RD_OVER_CL45(bp, phy,
  4596. MDIO_REG_BANK_COMBO_IEEE0,
  4597. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4598. &lp_pause);
  4599. pause_result = (ld_pause &
  4600. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4601. pause_result |= (lp_pause &
  4602. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4603. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4604. }
  4605. bnx2x_pause_resolve(vars, pause_result);
  4606. }
  4607. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4608. struct link_params *params,
  4609. struct link_vars *vars,
  4610. u32 gp_status)
  4611. {
  4612. struct bnx2x *bp = params->bp;
  4613. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4614. /* resolve from gp_status in case of AN complete and not sgmii */
  4615. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4616. /* Update the advertised flow-controled of LD/LP in AN */
  4617. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4618. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4619. /* But set the flow-control result as the requested one */
  4620. vars->flow_ctrl = phy->req_flow_ctrl;
  4621. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4622. vars->flow_ctrl = params->req_fc_auto_adv;
  4623. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4624. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4625. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4626. vars->flow_ctrl = params->req_fc_auto_adv;
  4627. return;
  4628. }
  4629. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4630. }
  4631. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4632. }
  4633. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4634. struct link_params *params)
  4635. {
  4636. struct bnx2x *bp = params->bp;
  4637. u16 rx_status, ustat_val, cl37_fsm_received;
  4638. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4639. /* Step 1: Make sure signal is detected */
  4640. CL22_RD_OVER_CL45(bp, phy,
  4641. MDIO_REG_BANK_RX0,
  4642. MDIO_RX0_RX_STATUS,
  4643. &rx_status);
  4644. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4645. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4646. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4647. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4648. CL22_WR_OVER_CL45(bp, phy,
  4649. MDIO_REG_BANK_CL73_IEEEB0,
  4650. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4651. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4652. return;
  4653. }
  4654. /* Step 2: Check CL73 state machine */
  4655. CL22_RD_OVER_CL45(bp, phy,
  4656. MDIO_REG_BANK_CL73_USERB0,
  4657. MDIO_CL73_USERB0_CL73_USTAT1,
  4658. &ustat_val);
  4659. if ((ustat_val &
  4660. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4661. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4662. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4663. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4664. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4665. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4666. return;
  4667. }
  4668. /*
  4669. * Step 3: Check CL37 Message Pages received to indicate LP
  4670. * supports only CL37
  4671. */
  4672. CL22_RD_OVER_CL45(bp, phy,
  4673. MDIO_REG_BANK_REMOTE_PHY,
  4674. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4675. &cl37_fsm_received);
  4676. if ((cl37_fsm_received &
  4677. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4678. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4679. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4680. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4681. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4682. "misc_rx_status(0x8330) = 0x%x\n",
  4683. cl37_fsm_received);
  4684. return;
  4685. }
  4686. /*
  4687. * The combined cl37/cl73 fsm state information indicating that
  4688. * we are connected to a device which does not support cl73, but
  4689. * does support cl37 BAM. In this case we disable cl73 and
  4690. * restart cl37 auto-neg
  4691. */
  4692. /* Disable CL73 */
  4693. CL22_WR_OVER_CL45(bp, phy,
  4694. MDIO_REG_BANK_CL73_IEEEB0,
  4695. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4696. 0);
  4697. /* Restart CL37 autoneg */
  4698. bnx2x_restart_autoneg(phy, params, 0);
  4699. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4700. }
  4701. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4702. struct link_params *params,
  4703. struct link_vars *vars,
  4704. u32 gp_status)
  4705. {
  4706. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4707. vars->link_status |=
  4708. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4709. if (bnx2x_direct_parallel_detect_used(phy, params))
  4710. vars->link_status |=
  4711. LINK_STATUS_PARALLEL_DETECTION_USED;
  4712. }
  4713. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4714. struct link_params *params,
  4715. struct link_vars *vars,
  4716. u16 is_link_up,
  4717. u16 speed_mask,
  4718. u16 is_duplex)
  4719. {
  4720. struct bnx2x *bp = params->bp;
  4721. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4722. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4723. if (is_link_up) {
  4724. DP(NETIF_MSG_LINK, "phy link up\n");
  4725. vars->phy_link_up = 1;
  4726. vars->link_status |= LINK_STATUS_LINK_UP;
  4727. switch (speed_mask) {
  4728. case GP_STATUS_10M:
  4729. vars->line_speed = SPEED_10;
  4730. if (vars->duplex == DUPLEX_FULL)
  4731. vars->link_status |= LINK_10TFD;
  4732. else
  4733. vars->link_status |= LINK_10THD;
  4734. break;
  4735. case GP_STATUS_100M:
  4736. vars->line_speed = SPEED_100;
  4737. if (vars->duplex == DUPLEX_FULL)
  4738. vars->link_status |= LINK_100TXFD;
  4739. else
  4740. vars->link_status |= LINK_100TXHD;
  4741. break;
  4742. case GP_STATUS_1G:
  4743. case GP_STATUS_1G_KX:
  4744. vars->line_speed = SPEED_1000;
  4745. if (vars->duplex == DUPLEX_FULL)
  4746. vars->link_status |= LINK_1000TFD;
  4747. else
  4748. vars->link_status |= LINK_1000THD;
  4749. break;
  4750. case GP_STATUS_2_5G:
  4751. vars->line_speed = SPEED_2500;
  4752. if (vars->duplex == DUPLEX_FULL)
  4753. vars->link_status |= LINK_2500TFD;
  4754. else
  4755. vars->link_status |= LINK_2500THD;
  4756. break;
  4757. case GP_STATUS_5G:
  4758. case GP_STATUS_6G:
  4759. DP(NETIF_MSG_LINK,
  4760. "link speed unsupported gp_status 0x%x\n",
  4761. speed_mask);
  4762. return -EINVAL;
  4763. case GP_STATUS_10G_KX4:
  4764. case GP_STATUS_10G_HIG:
  4765. case GP_STATUS_10G_CX4:
  4766. case GP_STATUS_10G_KR:
  4767. case GP_STATUS_10G_SFI:
  4768. case GP_STATUS_10G_XFI:
  4769. vars->line_speed = SPEED_10000;
  4770. vars->link_status |= LINK_10GTFD;
  4771. break;
  4772. case GP_STATUS_20G_DXGXS:
  4773. vars->line_speed = SPEED_20000;
  4774. vars->link_status |= LINK_20GTFD;
  4775. break;
  4776. default:
  4777. DP(NETIF_MSG_LINK,
  4778. "link speed unsupported gp_status 0x%x\n",
  4779. speed_mask);
  4780. return -EINVAL;
  4781. }
  4782. } else { /* link_down */
  4783. DP(NETIF_MSG_LINK, "phy link down\n");
  4784. vars->phy_link_up = 0;
  4785. vars->duplex = DUPLEX_FULL;
  4786. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4787. vars->mac_type = MAC_TYPE_NONE;
  4788. }
  4789. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4790. vars->phy_link_up, vars->line_speed);
  4791. return 0;
  4792. }
  4793. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4794. struct link_params *params,
  4795. struct link_vars *vars)
  4796. {
  4797. struct bnx2x *bp = params->bp;
  4798. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4799. int rc = 0;
  4800. /* Read gp_status */
  4801. CL22_RD_OVER_CL45(bp, phy,
  4802. MDIO_REG_BANK_GP_STATUS,
  4803. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4804. &gp_status);
  4805. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4806. duplex = DUPLEX_FULL;
  4807. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4808. link_up = 1;
  4809. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4810. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4811. gp_status, link_up, speed_mask);
  4812. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4813. duplex);
  4814. if (rc == -EINVAL)
  4815. return rc;
  4816. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4817. if (SINGLE_MEDIA_DIRECT(params)) {
  4818. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4819. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4820. bnx2x_xgxs_an_resolve(phy, params, vars,
  4821. gp_status);
  4822. }
  4823. } else { /* link_down */
  4824. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4825. SINGLE_MEDIA_DIRECT(params)) {
  4826. /* Check signal is detected */
  4827. bnx2x_check_fallback_to_cl37(phy, params);
  4828. }
  4829. }
  4830. /* Read LP advertised speeds*/
  4831. if (SINGLE_MEDIA_DIRECT(params) &&
  4832. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4833. u16 val;
  4834. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4835. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4836. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4837. vars->link_status |=
  4838. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4839. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4840. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4841. vars->link_status |=
  4842. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4843. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4844. MDIO_OVER_1G_LP_UP1, &val);
  4845. if (val & MDIO_OVER_1G_UP1_2_5G)
  4846. vars->link_status |=
  4847. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4848. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4849. vars->link_status |=
  4850. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4851. }
  4852. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4853. vars->duplex, vars->flow_ctrl, vars->link_status);
  4854. return rc;
  4855. }
  4856. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4857. struct link_params *params,
  4858. struct link_vars *vars)
  4859. {
  4860. struct bnx2x *bp = params->bp;
  4861. u8 lane;
  4862. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4863. int rc = 0;
  4864. lane = bnx2x_get_warpcore_lane(phy, params);
  4865. /* Read gp_status */
  4866. if (phy->req_line_speed > SPEED_10000) {
  4867. u16 temp_link_up;
  4868. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4869. 1, &temp_link_up);
  4870. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4871. 1, &link_up);
  4872. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4873. temp_link_up, link_up);
  4874. link_up &= (1<<2);
  4875. if (link_up)
  4876. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4877. } else {
  4878. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4879. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4880. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4881. /* Check for either KR or generic link up. */
  4882. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4883. ((gp_status1 >> 12) & 0xf);
  4884. link_up = gp_status1 & (1 << lane);
  4885. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4886. u16 pd, gp_status4;
  4887. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4888. /* Check Autoneg complete */
  4889. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4890. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4891. &gp_status4);
  4892. if (gp_status4 & ((1<<12)<<lane))
  4893. vars->link_status |=
  4894. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4895. /* Check parallel detect used */
  4896. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4897. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4898. &pd);
  4899. if (pd & (1<<15))
  4900. vars->link_status |=
  4901. LINK_STATUS_PARALLEL_DETECTION_USED;
  4902. }
  4903. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4904. }
  4905. }
  4906. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4907. SINGLE_MEDIA_DIRECT(params)) {
  4908. u16 val;
  4909. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4910. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4911. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4912. vars->link_status |=
  4913. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4914. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4915. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4916. vars->link_status |=
  4917. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4918. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4919. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4920. if (val & MDIO_OVER_1G_UP1_2_5G)
  4921. vars->link_status |=
  4922. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4923. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4924. vars->link_status |=
  4925. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4926. }
  4927. if (lane < 2) {
  4928. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4929. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4930. } else {
  4931. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4932. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4933. }
  4934. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4935. if ((lane & 1) == 0)
  4936. gp_speed <<= 8;
  4937. gp_speed &= 0x3f00;
  4938. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4939. duplex);
  4940. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4941. vars->duplex, vars->flow_ctrl, vars->link_status);
  4942. return rc;
  4943. }
  4944. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4945. {
  4946. struct bnx2x *bp = params->bp;
  4947. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4948. u16 lp_up2;
  4949. u16 tx_driver;
  4950. u16 bank;
  4951. /* read precomp */
  4952. CL22_RD_OVER_CL45(bp, phy,
  4953. MDIO_REG_BANK_OVER_1G,
  4954. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4955. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4956. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4957. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4958. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4959. if (lp_up2 == 0)
  4960. return;
  4961. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4962. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4963. CL22_RD_OVER_CL45(bp, phy,
  4964. bank,
  4965. MDIO_TX0_TX_DRIVER, &tx_driver);
  4966. /* replace tx_driver bits [15:12] */
  4967. if (lp_up2 !=
  4968. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4969. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4970. tx_driver |= lp_up2;
  4971. CL22_WR_OVER_CL45(bp, phy,
  4972. bank,
  4973. MDIO_TX0_TX_DRIVER, tx_driver);
  4974. }
  4975. }
  4976. }
  4977. static int bnx2x_emac_program(struct link_params *params,
  4978. struct link_vars *vars)
  4979. {
  4980. struct bnx2x *bp = params->bp;
  4981. u8 port = params->port;
  4982. u16 mode = 0;
  4983. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4984. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4985. EMAC_REG_EMAC_MODE,
  4986. (EMAC_MODE_25G_MODE |
  4987. EMAC_MODE_PORT_MII_10M |
  4988. EMAC_MODE_HALF_DUPLEX));
  4989. switch (vars->line_speed) {
  4990. case SPEED_10:
  4991. mode |= EMAC_MODE_PORT_MII_10M;
  4992. break;
  4993. case SPEED_100:
  4994. mode |= EMAC_MODE_PORT_MII;
  4995. break;
  4996. case SPEED_1000:
  4997. mode |= EMAC_MODE_PORT_GMII;
  4998. break;
  4999. case SPEED_2500:
  5000. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5001. break;
  5002. default:
  5003. /* 10G not valid for EMAC */
  5004. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5005. vars->line_speed);
  5006. return -EINVAL;
  5007. }
  5008. if (vars->duplex == DUPLEX_HALF)
  5009. mode |= EMAC_MODE_HALF_DUPLEX;
  5010. bnx2x_bits_en(bp,
  5011. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5012. mode);
  5013. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5014. return 0;
  5015. }
  5016. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5017. struct link_params *params)
  5018. {
  5019. u16 bank, i = 0;
  5020. struct bnx2x *bp = params->bp;
  5021. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5022. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5023. CL22_WR_OVER_CL45(bp, phy,
  5024. bank,
  5025. MDIO_RX0_RX_EQ_BOOST,
  5026. phy->rx_preemphasis[i]);
  5027. }
  5028. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5029. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5030. CL22_WR_OVER_CL45(bp, phy,
  5031. bank,
  5032. MDIO_TX0_TX_DRIVER,
  5033. phy->tx_preemphasis[i]);
  5034. }
  5035. }
  5036. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5037. struct link_params *params,
  5038. struct link_vars *vars)
  5039. {
  5040. struct bnx2x *bp = params->bp;
  5041. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5042. (params->loopback_mode == LOOPBACK_XGXS));
  5043. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5044. if (SINGLE_MEDIA_DIRECT(params) &&
  5045. (params->feature_config_flags &
  5046. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5047. bnx2x_set_preemphasis(phy, params);
  5048. /* forced speed requested? */
  5049. if (vars->line_speed != SPEED_AUTO_NEG ||
  5050. (SINGLE_MEDIA_DIRECT(params) &&
  5051. params->loopback_mode == LOOPBACK_EXT)) {
  5052. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5053. /* disable autoneg */
  5054. bnx2x_set_autoneg(phy, params, vars, 0);
  5055. /* program speed and duplex */
  5056. bnx2x_program_serdes(phy, params, vars);
  5057. } else { /* AN_mode */
  5058. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5059. /* AN enabled */
  5060. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5061. /* program duplex & pause advertisement (for aneg) */
  5062. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5063. vars->ieee_fc);
  5064. /* enable autoneg */
  5065. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5066. /* enable and restart AN */
  5067. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5068. }
  5069. } else { /* SGMII mode */
  5070. DP(NETIF_MSG_LINK, "SGMII\n");
  5071. bnx2x_initialize_sgmii_process(phy, params, vars);
  5072. }
  5073. }
  5074. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5075. struct link_params *params,
  5076. struct link_vars *vars)
  5077. {
  5078. int rc;
  5079. vars->phy_flags |= PHY_XGXS_FLAG;
  5080. if ((phy->req_line_speed &&
  5081. ((phy->req_line_speed == SPEED_100) ||
  5082. (phy->req_line_speed == SPEED_10))) ||
  5083. (!phy->req_line_speed &&
  5084. (phy->speed_cap_mask >=
  5085. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5086. (phy->speed_cap_mask <
  5087. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5088. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5089. vars->phy_flags |= PHY_SGMII_FLAG;
  5090. else
  5091. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5092. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5093. bnx2x_set_aer_mmd(params, phy);
  5094. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5095. bnx2x_set_master_ln(params, phy);
  5096. rc = bnx2x_reset_unicore(params, phy, 0);
  5097. /* reset the SerDes and wait for reset bit return low */
  5098. if (rc != 0)
  5099. return rc;
  5100. bnx2x_set_aer_mmd(params, phy);
  5101. /* setting the masterLn_def again after the reset */
  5102. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5103. bnx2x_set_master_ln(params, phy);
  5104. bnx2x_set_swap_lanes(params, phy);
  5105. }
  5106. return rc;
  5107. }
  5108. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5109. struct bnx2x_phy *phy,
  5110. struct link_params *params)
  5111. {
  5112. u16 cnt, ctrl;
  5113. /* Wait for soft reset to get cleared up to 1 sec */
  5114. for (cnt = 0; cnt < 1000; cnt++) {
  5115. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5116. bnx2x_cl22_read(bp, phy,
  5117. MDIO_PMA_REG_CTRL, &ctrl);
  5118. else
  5119. bnx2x_cl45_read(bp, phy,
  5120. MDIO_PMA_DEVAD,
  5121. MDIO_PMA_REG_CTRL, &ctrl);
  5122. if (!(ctrl & (1<<15)))
  5123. break;
  5124. msleep(1);
  5125. }
  5126. if (cnt == 1000)
  5127. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5128. " Port %d\n",
  5129. params->port);
  5130. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5131. return cnt;
  5132. }
  5133. static void bnx2x_link_int_enable(struct link_params *params)
  5134. {
  5135. u8 port = params->port;
  5136. u32 mask;
  5137. struct bnx2x *bp = params->bp;
  5138. /* Setting the status to report on link up for either XGXS or SerDes */
  5139. if (CHIP_IS_E3(bp)) {
  5140. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5141. if (!(SINGLE_MEDIA_DIRECT(params)))
  5142. mask |= NIG_MASK_MI_INT;
  5143. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5144. mask = (NIG_MASK_XGXS0_LINK10G |
  5145. NIG_MASK_XGXS0_LINK_STATUS);
  5146. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5147. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5148. params->phy[INT_PHY].type !=
  5149. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5150. mask |= NIG_MASK_MI_INT;
  5151. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5152. }
  5153. } else { /* SerDes */
  5154. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5155. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5156. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5157. params->phy[INT_PHY].type !=
  5158. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5159. mask |= NIG_MASK_MI_INT;
  5160. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5161. }
  5162. }
  5163. bnx2x_bits_en(bp,
  5164. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5165. mask);
  5166. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5167. (params->switch_cfg == SWITCH_CFG_10G),
  5168. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5169. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5170. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5171. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5172. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5173. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5174. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5175. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5176. }
  5177. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5178. u8 exp_mi_int)
  5179. {
  5180. u32 latch_status = 0;
  5181. /*
  5182. * Disable the MI INT ( external phy int ) by writing 1 to the
  5183. * status register. Link down indication is high-active-signal,
  5184. * so in this case we need to write the status to clear the XOR
  5185. */
  5186. /* Read Latched signals */
  5187. latch_status = REG_RD(bp,
  5188. NIG_REG_LATCH_STATUS_0 + port*8);
  5189. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5190. /* Handle only those with latched-signal=up.*/
  5191. if (exp_mi_int)
  5192. bnx2x_bits_en(bp,
  5193. NIG_REG_STATUS_INTERRUPT_PORT0
  5194. + port*4,
  5195. NIG_STATUS_EMAC0_MI_INT);
  5196. else
  5197. bnx2x_bits_dis(bp,
  5198. NIG_REG_STATUS_INTERRUPT_PORT0
  5199. + port*4,
  5200. NIG_STATUS_EMAC0_MI_INT);
  5201. if (latch_status & 1) {
  5202. /* For all latched-signal=up : Re-Arm Latch signals */
  5203. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5204. (latch_status & 0xfffe) | (latch_status & 1));
  5205. }
  5206. /* For all latched-signal=up,Write original_signal to status */
  5207. }
  5208. static void bnx2x_link_int_ack(struct link_params *params,
  5209. struct link_vars *vars, u8 is_10g_plus)
  5210. {
  5211. struct bnx2x *bp = params->bp;
  5212. u8 port = params->port;
  5213. u32 mask;
  5214. /*
  5215. * First reset all status we assume only one line will be
  5216. * change at a time
  5217. */
  5218. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5219. (NIG_STATUS_XGXS0_LINK10G |
  5220. NIG_STATUS_XGXS0_LINK_STATUS |
  5221. NIG_STATUS_SERDES0_LINK_STATUS));
  5222. if (vars->phy_link_up) {
  5223. if (USES_WARPCORE(bp))
  5224. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5225. else {
  5226. if (is_10g_plus)
  5227. mask = NIG_STATUS_XGXS0_LINK10G;
  5228. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5229. /*
  5230. * Disable the link interrupt by writing 1 to
  5231. * the relevant lane in the status register
  5232. */
  5233. u32 ser_lane =
  5234. ((params->lane_config &
  5235. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5236. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5237. mask = ((1 << ser_lane) <<
  5238. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5239. } else
  5240. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5241. }
  5242. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5243. mask);
  5244. bnx2x_bits_en(bp,
  5245. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5246. mask);
  5247. }
  5248. }
  5249. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5250. {
  5251. u8 *str_ptr = str;
  5252. u32 mask = 0xf0000000;
  5253. u8 shift = 8*4;
  5254. u8 digit;
  5255. u8 remove_leading_zeros = 1;
  5256. if (*len < 10) {
  5257. /* Need more than 10chars for this format */
  5258. *str_ptr = '\0';
  5259. (*len)--;
  5260. return -EINVAL;
  5261. }
  5262. while (shift > 0) {
  5263. shift -= 4;
  5264. digit = ((num & mask) >> shift);
  5265. if (digit == 0 && remove_leading_zeros) {
  5266. mask = mask >> 4;
  5267. continue;
  5268. } else if (digit < 0xa)
  5269. *str_ptr = digit + '0';
  5270. else
  5271. *str_ptr = digit - 0xa + 'a';
  5272. remove_leading_zeros = 0;
  5273. str_ptr++;
  5274. (*len)--;
  5275. mask = mask >> 4;
  5276. if (shift == 4*4) {
  5277. *str_ptr = '.';
  5278. str_ptr++;
  5279. (*len)--;
  5280. remove_leading_zeros = 1;
  5281. }
  5282. }
  5283. return 0;
  5284. }
  5285. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5286. {
  5287. str[0] = '\0';
  5288. (*len)--;
  5289. return 0;
  5290. }
  5291. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5292. u8 *version, u16 len)
  5293. {
  5294. struct bnx2x *bp;
  5295. u32 spirom_ver = 0;
  5296. int status = 0;
  5297. u8 *ver_p = version;
  5298. u16 remain_len = len;
  5299. if (version == NULL || params == NULL)
  5300. return -EINVAL;
  5301. bp = params->bp;
  5302. /* Extract first external phy*/
  5303. version[0] = '\0';
  5304. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5305. if (params->phy[EXT_PHY1].format_fw_ver) {
  5306. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5307. ver_p,
  5308. &remain_len);
  5309. ver_p += (len - remain_len);
  5310. }
  5311. if ((params->num_phys == MAX_PHYS) &&
  5312. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5313. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5314. if (params->phy[EXT_PHY2].format_fw_ver) {
  5315. *ver_p = '/';
  5316. ver_p++;
  5317. remain_len--;
  5318. status |= params->phy[EXT_PHY2].format_fw_ver(
  5319. spirom_ver,
  5320. ver_p,
  5321. &remain_len);
  5322. ver_p = version + (len - remain_len);
  5323. }
  5324. }
  5325. *ver_p = '\0';
  5326. return status;
  5327. }
  5328. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5329. struct link_params *params)
  5330. {
  5331. u8 port = params->port;
  5332. struct bnx2x *bp = params->bp;
  5333. if (phy->req_line_speed != SPEED_1000) {
  5334. u32 md_devad = 0;
  5335. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5336. if (!CHIP_IS_E3(bp)) {
  5337. /* change the uni_phy_addr in the nig */
  5338. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5339. port*0x18));
  5340. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5341. 0x5);
  5342. }
  5343. bnx2x_cl45_write(bp, phy,
  5344. 5,
  5345. (MDIO_REG_BANK_AER_BLOCK +
  5346. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5347. 0x2800);
  5348. bnx2x_cl45_write(bp, phy,
  5349. 5,
  5350. (MDIO_REG_BANK_CL73_IEEEB0 +
  5351. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5352. 0x6041);
  5353. msleep(200);
  5354. /* set aer mmd back */
  5355. bnx2x_set_aer_mmd(params, phy);
  5356. if (!CHIP_IS_E3(bp)) {
  5357. /* and md_devad */
  5358. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5359. md_devad);
  5360. }
  5361. } else {
  5362. u16 mii_ctrl;
  5363. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5364. bnx2x_cl45_read(bp, phy, 5,
  5365. (MDIO_REG_BANK_COMBO_IEEE0 +
  5366. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5367. &mii_ctrl);
  5368. bnx2x_cl45_write(bp, phy, 5,
  5369. (MDIO_REG_BANK_COMBO_IEEE0 +
  5370. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5371. mii_ctrl |
  5372. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5373. }
  5374. }
  5375. int bnx2x_set_led(struct link_params *params,
  5376. struct link_vars *vars, u8 mode, u32 speed)
  5377. {
  5378. u8 port = params->port;
  5379. u16 hw_led_mode = params->hw_led_mode;
  5380. int rc = 0;
  5381. u8 phy_idx;
  5382. u32 tmp;
  5383. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5384. struct bnx2x *bp = params->bp;
  5385. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5386. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5387. speed, hw_led_mode);
  5388. /* In case */
  5389. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5390. if (params->phy[phy_idx].set_link_led) {
  5391. params->phy[phy_idx].set_link_led(
  5392. &params->phy[phy_idx], params, mode);
  5393. }
  5394. }
  5395. switch (mode) {
  5396. case LED_MODE_FRONT_PANEL_OFF:
  5397. case LED_MODE_OFF:
  5398. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5399. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5400. SHARED_HW_CFG_LED_MAC1);
  5401. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5402. if (params->phy[EXT_PHY1].type ==
  5403. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5404. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5405. else {
  5406. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5407. (tmp | EMAC_LED_OVERRIDE));
  5408. }
  5409. break;
  5410. case LED_MODE_OPER:
  5411. /*
  5412. * For all other phys, OPER mode is same as ON, so in case
  5413. * link is down, do nothing
  5414. */
  5415. if (!vars->link_up)
  5416. break;
  5417. case LED_MODE_ON:
  5418. if (((params->phy[EXT_PHY1].type ==
  5419. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5420. (params->phy[EXT_PHY1].type ==
  5421. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5422. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5423. /*
  5424. * This is a work-around for E2+8727 Configurations
  5425. */
  5426. if (mode == LED_MODE_ON ||
  5427. speed == SPEED_10000){
  5428. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5429. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5430. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5431. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5432. (tmp | EMAC_LED_OVERRIDE));
  5433. /*
  5434. * return here without enabling traffic
  5435. * LED blink and setting rate in ON mode.
  5436. * In oper mode, enabling LED blink
  5437. * and setting rate is needed.
  5438. */
  5439. if (mode == LED_MODE_ON)
  5440. return rc;
  5441. }
  5442. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5443. /*
  5444. * This is a work-around for HW issue found when link
  5445. * is up in CL73
  5446. */
  5447. if ((!CHIP_IS_E3(bp)) ||
  5448. (CHIP_IS_E3(bp) &&
  5449. mode == LED_MODE_ON))
  5450. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5451. if (CHIP_IS_E1x(bp) ||
  5452. CHIP_IS_E2(bp) ||
  5453. (mode == LED_MODE_ON))
  5454. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5455. else
  5456. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5457. hw_led_mode);
  5458. } else if ((params->phy[EXT_PHY1].type ==
  5459. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5460. (mode != LED_MODE_OPER)) {
  5461. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5462. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5463. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5464. } else
  5465. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5466. hw_led_mode);
  5467. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5468. /* Set blinking rate to ~15.9Hz */
  5469. if (CHIP_IS_E3(bp))
  5470. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5471. LED_BLINK_RATE_VAL_E3);
  5472. else
  5473. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5474. LED_BLINK_RATE_VAL_E1X_E2);
  5475. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5476. port*4, 1);
  5477. if ((params->phy[EXT_PHY1].type !=
  5478. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5479. (mode != LED_MODE_OPER)) {
  5480. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5481. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5482. (tmp & (~EMAC_LED_OVERRIDE)));
  5483. }
  5484. if (CHIP_IS_E1(bp) &&
  5485. ((speed == SPEED_2500) ||
  5486. (speed == SPEED_1000) ||
  5487. (speed == SPEED_100) ||
  5488. (speed == SPEED_10))) {
  5489. /*
  5490. * On Everest 1 Ax chip versions for speeds less than
  5491. * 10G LED scheme is different
  5492. */
  5493. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5494. + port*4, 1);
  5495. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5496. port*4, 0);
  5497. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5498. port*4, 1);
  5499. }
  5500. break;
  5501. default:
  5502. rc = -EINVAL;
  5503. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5504. mode);
  5505. break;
  5506. }
  5507. return rc;
  5508. }
  5509. /*
  5510. * This function comes to reflect the actual link state read DIRECTLY from the
  5511. * HW
  5512. */
  5513. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5514. u8 is_serdes)
  5515. {
  5516. struct bnx2x *bp = params->bp;
  5517. u16 gp_status = 0, phy_index = 0;
  5518. u8 ext_phy_link_up = 0, serdes_phy_type;
  5519. struct link_vars temp_vars;
  5520. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5521. if (CHIP_IS_E3(bp)) {
  5522. u16 link_up;
  5523. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5524. > SPEED_10000) {
  5525. /* Check 20G link */
  5526. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5527. 1, &link_up);
  5528. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5529. 1, &link_up);
  5530. link_up &= (1<<2);
  5531. } else {
  5532. /* Check 10G link and below*/
  5533. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5534. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5535. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5536. &gp_status);
  5537. gp_status = ((gp_status >> 8) & 0xf) |
  5538. ((gp_status >> 12) & 0xf);
  5539. link_up = gp_status & (1 << lane);
  5540. }
  5541. if (!link_up)
  5542. return -ESRCH;
  5543. } else {
  5544. CL22_RD_OVER_CL45(bp, int_phy,
  5545. MDIO_REG_BANK_GP_STATUS,
  5546. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5547. &gp_status);
  5548. /* link is up only if both local phy and external phy are up */
  5549. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5550. return -ESRCH;
  5551. }
  5552. /* In XGXS loopback mode, do not check external PHY */
  5553. if (params->loopback_mode == LOOPBACK_XGXS)
  5554. return 0;
  5555. switch (params->num_phys) {
  5556. case 1:
  5557. /* No external PHY */
  5558. return 0;
  5559. case 2:
  5560. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5561. &params->phy[EXT_PHY1],
  5562. params, &temp_vars);
  5563. break;
  5564. case 3: /* Dual Media */
  5565. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5566. phy_index++) {
  5567. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5568. ETH_PHY_SFP_FIBER) ||
  5569. (params->phy[phy_index].media_type ==
  5570. ETH_PHY_XFP_FIBER) ||
  5571. (params->phy[phy_index].media_type ==
  5572. ETH_PHY_DA_TWINAX));
  5573. if (is_serdes != serdes_phy_type)
  5574. continue;
  5575. if (params->phy[phy_index].read_status) {
  5576. ext_phy_link_up |=
  5577. params->phy[phy_index].read_status(
  5578. &params->phy[phy_index],
  5579. params, &temp_vars);
  5580. }
  5581. }
  5582. break;
  5583. }
  5584. if (ext_phy_link_up)
  5585. return 0;
  5586. return -ESRCH;
  5587. }
  5588. static int bnx2x_link_initialize(struct link_params *params,
  5589. struct link_vars *vars)
  5590. {
  5591. int rc = 0;
  5592. u8 phy_index, non_ext_phy;
  5593. struct bnx2x *bp = params->bp;
  5594. /*
  5595. * In case of external phy existence, the line speed would be the
  5596. * line speed linked up by the external phy. In case it is direct
  5597. * only, then the line_speed during initialization will be
  5598. * equal to the req_line_speed
  5599. */
  5600. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5601. /*
  5602. * Initialize the internal phy in case this is a direct board
  5603. * (no external phys), or this board has external phy which requires
  5604. * to first.
  5605. */
  5606. if (!USES_WARPCORE(bp))
  5607. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5608. /* init ext phy and enable link state int */
  5609. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5610. (params->loopback_mode == LOOPBACK_XGXS));
  5611. if (non_ext_phy ||
  5612. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5613. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5614. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5615. if (vars->line_speed == SPEED_AUTO_NEG &&
  5616. (CHIP_IS_E1x(bp) ||
  5617. CHIP_IS_E2(bp)))
  5618. bnx2x_set_parallel_detection(phy, params);
  5619. if (params->phy[INT_PHY].config_init)
  5620. params->phy[INT_PHY].config_init(phy,
  5621. params,
  5622. vars);
  5623. }
  5624. /* Init external phy*/
  5625. if (non_ext_phy) {
  5626. if (params->phy[INT_PHY].supported &
  5627. SUPPORTED_FIBRE)
  5628. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5629. } else {
  5630. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5631. phy_index++) {
  5632. /*
  5633. * No need to initialize second phy in case of first
  5634. * phy only selection. In case of second phy, we do
  5635. * need to initialize the first phy, since they are
  5636. * connected.
  5637. */
  5638. if (params->phy[phy_index].supported &
  5639. SUPPORTED_FIBRE)
  5640. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5641. if (phy_index == EXT_PHY2 &&
  5642. (bnx2x_phy_selection(params) ==
  5643. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5644. DP(NETIF_MSG_LINK,
  5645. "Not initializing second phy\n");
  5646. continue;
  5647. }
  5648. params->phy[phy_index].config_init(
  5649. &params->phy[phy_index],
  5650. params, vars);
  5651. }
  5652. }
  5653. /* Reset the interrupt indication after phy was initialized */
  5654. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5655. params->port*4,
  5656. (NIG_STATUS_XGXS0_LINK10G |
  5657. NIG_STATUS_XGXS0_LINK_STATUS |
  5658. NIG_STATUS_SERDES0_LINK_STATUS |
  5659. NIG_MASK_MI_INT));
  5660. bnx2x_update_mng(params, vars->link_status);
  5661. return rc;
  5662. }
  5663. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5664. struct link_params *params)
  5665. {
  5666. /* reset the SerDes/XGXS */
  5667. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5668. (0x1ff << (params->port*16)));
  5669. }
  5670. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5671. struct link_params *params)
  5672. {
  5673. struct bnx2x *bp = params->bp;
  5674. u8 gpio_port;
  5675. /* HW reset */
  5676. if (CHIP_IS_E2(bp))
  5677. gpio_port = BP_PATH(bp);
  5678. else
  5679. gpio_port = params->port;
  5680. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5681. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5682. gpio_port);
  5683. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5684. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5685. gpio_port);
  5686. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5687. }
  5688. static int bnx2x_update_link_down(struct link_params *params,
  5689. struct link_vars *vars)
  5690. {
  5691. struct bnx2x *bp = params->bp;
  5692. u8 port = params->port;
  5693. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5694. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5695. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5696. /* indicate no mac active */
  5697. vars->mac_type = MAC_TYPE_NONE;
  5698. /* update shared memory */
  5699. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5700. LINK_STATUS_LINK_UP |
  5701. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5702. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5703. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5704. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5705. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5706. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5707. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5708. vars->line_speed = 0;
  5709. bnx2x_update_mng(params, vars->link_status);
  5710. /* activate nig drain */
  5711. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5712. /* disable emac */
  5713. if (!CHIP_IS_E3(bp))
  5714. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5715. msleep(10);
  5716. /* reset BigMac/Xmac */
  5717. if (CHIP_IS_E1x(bp) ||
  5718. CHIP_IS_E2(bp)) {
  5719. bnx2x_bmac_rx_disable(bp, params->port);
  5720. REG_WR(bp, GRCBASE_MISC +
  5721. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5722. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5723. }
  5724. if (CHIP_IS_E3(bp)) {
  5725. bnx2x_xmac_disable(params);
  5726. bnx2x_umac_disable(params);
  5727. }
  5728. return 0;
  5729. }
  5730. static int bnx2x_update_link_up(struct link_params *params,
  5731. struct link_vars *vars,
  5732. u8 link_10g)
  5733. {
  5734. struct bnx2x *bp = params->bp;
  5735. u8 port = params->port;
  5736. int rc = 0;
  5737. vars->link_status |= (LINK_STATUS_LINK_UP |
  5738. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5739. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5740. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5741. vars->link_status |=
  5742. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5743. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5744. vars->link_status |=
  5745. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5746. if (USES_WARPCORE(bp)) {
  5747. if (link_10g) {
  5748. if (bnx2x_xmac_enable(params, vars, 0) ==
  5749. -ESRCH) {
  5750. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5751. vars->link_up = 0;
  5752. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5753. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5754. }
  5755. } else
  5756. bnx2x_umac_enable(params, vars, 0);
  5757. bnx2x_set_led(params, vars,
  5758. LED_MODE_OPER, vars->line_speed);
  5759. }
  5760. if ((CHIP_IS_E1x(bp) ||
  5761. CHIP_IS_E2(bp))) {
  5762. if (link_10g) {
  5763. if (bnx2x_bmac_enable(params, vars, 0) ==
  5764. -ESRCH) {
  5765. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5766. vars->link_up = 0;
  5767. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5768. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5769. }
  5770. bnx2x_set_led(params, vars,
  5771. LED_MODE_OPER, SPEED_10000);
  5772. } else {
  5773. rc = bnx2x_emac_program(params, vars);
  5774. bnx2x_emac_enable(params, vars, 0);
  5775. /* AN complete? */
  5776. if ((vars->link_status &
  5777. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5778. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5779. SINGLE_MEDIA_DIRECT(params))
  5780. bnx2x_set_gmii_tx_driver(params);
  5781. }
  5782. }
  5783. /* PBF - link up */
  5784. if (CHIP_IS_E1x(bp))
  5785. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5786. vars->line_speed);
  5787. /* disable drain */
  5788. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5789. /* update shared memory */
  5790. bnx2x_update_mng(params, vars->link_status);
  5791. msleep(20);
  5792. return rc;
  5793. }
  5794. /*
  5795. * The bnx2x_link_update function should be called upon link
  5796. * interrupt.
  5797. * Link is considered up as follows:
  5798. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5799. * to be up
  5800. * - SINGLE_MEDIA - The link between the 577xx and the external
  5801. * phy (XGXS) need to up as well as the external link of the
  5802. * phy (PHY_EXT1)
  5803. * - DUAL_MEDIA - The link between the 577xx and the first
  5804. * external phy needs to be up, and at least one of the 2
  5805. * external phy link must be up.
  5806. */
  5807. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5808. {
  5809. struct bnx2x *bp = params->bp;
  5810. struct link_vars phy_vars[MAX_PHYS];
  5811. u8 port = params->port;
  5812. u8 link_10g_plus, phy_index;
  5813. u8 ext_phy_link_up = 0, cur_link_up;
  5814. int rc = 0;
  5815. u8 is_mi_int = 0;
  5816. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5817. u8 active_external_phy = INT_PHY;
  5818. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5819. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5820. phy_index++) {
  5821. phy_vars[phy_index].flow_ctrl = 0;
  5822. phy_vars[phy_index].link_status = 0;
  5823. phy_vars[phy_index].line_speed = 0;
  5824. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5825. phy_vars[phy_index].phy_link_up = 0;
  5826. phy_vars[phy_index].link_up = 0;
  5827. phy_vars[phy_index].fault_detected = 0;
  5828. }
  5829. if (USES_WARPCORE(bp))
  5830. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5831. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5832. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5833. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5834. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5835. port*0x18) > 0);
  5836. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5837. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5838. is_mi_int,
  5839. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5840. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5841. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5842. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5843. /* disable emac */
  5844. if (!CHIP_IS_E3(bp))
  5845. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5846. /*
  5847. * Step 1:
  5848. * Check external link change only for external phys, and apply
  5849. * priority selection between them in case the link on both phys
  5850. * is up. Note that instead of the common vars, a temporary
  5851. * vars argument is used since each phy may have different link/
  5852. * speed/duplex result
  5853. */
  5854. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5855. phy_index++) {
  5856. struct bnx2x_phy *phy = &params->phy[phy_index];
  5857. if (!phy->read_status)
  5858. continue;
  5859. /* Read link status and params of this ext phy */
  5860. cur_link_up = phy->read_status(phy, params,
  5861. &phy_vars[phy_index]);
  5862. if (cur_link_up) {
  5863. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5864. phy_index);
  5865. } else {
  5866. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5867. phy_index);
  5868. continue;
  5869. }
  5870. if (!ext_phy_link_up) {
  5871. ext_phy_link_up = 1;
  5872. active_external_phy = phy_index;
  5873. } else {
  5874. switch (bnx2x_phy_selection(params)) {
  5875. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5876. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5877. /*
  5878. * In this option, the first PHY makes sure to pass the
  5879. * traffic through itself only.
  5880. * Its not clear how to reset the link on the second phy
  5881. */
  5882. active_external_phy = EXT_PHY1;
  5883. break;
  5884. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5885. /*
  5886. * In this option, the first PHY makes sure to pass the
  5887. * traffic through the second PHY.
  5888. */
  5889. active_external_phy = EXT_PHY2;
  5890. break;
  5891. default:
  5892. /*
  5893. * Link indication on both PHYs with the following cases
  5894. * is invalid:
  5895. * - FIRST_PHY means that second phy wasn't initialized,
  5896. * hence its link is expected to be down
  5897. * - SECOND_PHY means that first phy should not be able
  5898. * to link up by itself (using configuration)
  5899. * - DEFAULT should be overriden during initialiazation
  5900. */
  5901. DP(NETIF_MSG_LINK, "Invalid link indication"
  5902. "mpc=0x%x. DISABLING LINK !!!\n",
  5903. params->multi_phy_config);
  5904. ext_phy_link_up = 0;
  5905. break;
  5906. }
  5907. }
  5908. }
  5909. prev_line_speed = vars->line_speed;
  5910. /*
  5911. * Step 2:
  5912. * Read the status of the internal phy. In case of
  5913. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5914. * otherwise this is the link between the 577xx and the first
  5915. * external phy
  5916. */
  5917. if (params->phy[INT_PHY].read_status)
  5918. params->phy[INT_PHY].read_status(
  5919. &params->phy[INT_PHY],
  5920. params, vars);
  5921. /*
  5922. * The INT_PHY flow control reside in the vars. This include the
  5923. * case where the speed or flow control are not set to AUTO.
  5924. * Otherwise, the active external phy flow control result is set
  5925. * to the vars. The ext_phy_line_speed is needed to check if the
  5926. * speed is different between the internal phy and external phy.
  5927. * This case may be result of intermediate link speed change.
  5928. */
  5929. if (active_external_phy > INT_PHY) {
  5930. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5931. /*
  5932. * Link speed is taken from the XGXS. AN and FC result from
  5933. * the external phy.
  5934. */
  5935. vars->link_status |= phy_vars[active_external_phy].link_status;
  5936. /*
  5937. * if active_external_phy is first PHY and link is up - disable
  5938. * disable TX on second external PHY
  5939. */
  5940. if (active_external_phy == EXT_PHY1) {
  5941. if (params->phy[EXT_PHY2].phy_specific_func) {
  5942. DP(NETIF_MSG_LINK,
  5943. "Disabling TX on EXT_PHY2\n");
  5944. params->phy[EXT_PHY2].phy_specific_func(
  5945. &params->phy[EXT_PHY2],
  5946. params, DISABLE_TX);
  5947. }
  5948. }
  5949. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5950. vars->duplex = phy_vars[active_external_phy].duplex;
  5951. if (params->phy[active_external_phy].supported &
  5952. SUPPORTED_FIBRE)
  5953. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5954. else
  5955. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5956. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5957. active_external_phy);
  5958. }
  5959. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5960. phy_index++) {
  5961. if (params->phy[phy_index].flags &
  5962. FLAGS_REARM_LATCH_SIGNAL) {
  5963. bnx2x_rearm_latch_signal(bp, port,
  5964. phy_index ==
  5965. active_external_phy);
  5966. break;
  5967. }
  5968. }
  5969. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5970. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5971. vars->link_status, ext_phy_line_speed);
  5972. /*
  5973. * Upon link speed change set the NIG into drain mode. Comes to
  5974. * deals with possible FIFO glitch due to clk change when speed
  5975. * is decreased without link down indicator
  5976. */
  5977. if (vars->phy_link_up) {
  5978. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5979. (ext_phy_line_speed != vars->line_speed)) {
  5980. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5981. " different than the external"
  5982. " link speed %d\n", vars->line_speed,
  5983. ext_phy_line_speed);
  5984. vars->phy_link_up = 0;
  5985. } else if (prev_line_speed != vars->line_speed) {
  5986. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5987. 0);
  5988. msleep(1);
  5989. }
  5990. }
  5991. /* anything 10 and over uses the bmac */
  5992. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5993. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5994. /*
  5995. * In case external phy link is up, and internal link is down
  5996. * (not initialized yet probably after link initialization, it
  5997. * needs to be initialized.
  5998. * Note that after link down-up as result of cable plug, the xgxs
  5999. * link would probably become up again without the need
  6000. * initialize it
  6001. */
  6002. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6003. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6004. " init_preceding = %d\n", ext_phy_link_up,
  6005. vars->phy_link_up,
  6006. params->phy[EXT_PHY1].flags &
  6007. FLAGS_INIT_XGXS_FIRST);
  6008. if (!(params->phy[EXT_PHY1].flags &
  6009. FLAGS_INIT_XGXS_FIRST)
  6010. && ext_phy_link_up && !vars->phy_link_up) {
  6011. vars->line_speed = ext_phy_line_speed;
  6012. if (vars->line_speed < SPEED_1000)
  6013. vars->phy_flags |= PHY_SGMII_FLAG;
  6014. else
  6015. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6016. if (params->phy[INT_PHY].config_init)
  6017. params->phy[INT_PHY].config_init(
  6018. &params->phy[INT_PHY], params,
  6019. vars);
  6020. }
  6021. }
  6022. /*
  6023. * Link is up only if both local phy and external phy (in case of
  6024. * non-direct board) are up and no fault detected on active PHY.
  6025. */
  6026. vars->link_up = (vars->phy_link_up &&
  6027. (ext_phy_link_up ||
  6028. SINGLE_MEDIA_DIRECT(params)) &&
  6029. (phy_vars[active_external_phy].fault_detected == 0));
  6030. if (vars->link_up)
  6031. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6032. else
  6033. rc = bnx2x_update_link_down(params, vars);
  6034. return rc;
  6035. }
  6036. /*****************************************************************************/
  6037. /* External Phy section */
  6038. /*****************************************************************************/
  6039. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6040. {
  6041. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6042. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6043. msleep(1);
  6044. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6045. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6046. }
  6047. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6048. u32 spirom_ver, u32 ver_addr)
  6049. {
  6050. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6051. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6052. if (ver_addr)
  6053. REG_WR(bp, ver_addr, spirom_ver);
  6054. }
  6055. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6056. struct bnx2x_phy *phy,
  6057. u8 port)
  6058. {
  6059. u16 fw_ver1, fw_ver2;
  6060. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6061. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6062. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6063. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6064. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6065. phy->ver_addr);
  6066. }
  6067. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6068. struct bnx2x_phy *phy,
  6069. struct link_vars *vars)
  6070. {
  6071. u16 val;
  6072. bnx2x_cl45_read(bp, phy,
  6073. MDIO_AN_DEVAD,
  6074. MDIO_AN_REG_STATUS, &val);
  6075. bnx2x_cl45_read(bp, phy,
  6076. MDIO_AN_DEVAD,
  6077. MDIO_AN_REG_STATUS, &val);
  6078. if (val & (1<<5))
  6079. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6080. if ((val & (1<<0)) == 0)
  6081. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6082. }
  6083. /******************************************************************/
  6084. /* common BCM8073/BCM8727 PHY SECTION */
  6085. /******************************************************************/
  6086. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6087. struct link_params *params,
  6088. struct link_vars *vars)
  6089. {
  6090. struct bnx2x *bp = params->bp;
  6091. if (phy->req_line_speed == SPEED_10 ||
  6092. phy->req_line_speed == SPEED_100) {
  6093. vars->flow_ctrl = phy->req_flow_ctrl;
  6094. return;
  6095. }
  6096. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6097. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6098. u16 pause_result;
  6099. u16 ld_pause; /* local */
  6100. u16 lp_pause; /* link partner */
  6101. bnx2x_cl45_read(bp, phy,
  6102. MDIO_AN_DEVAD,
  6103. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6104. bnx2x_cl45_read(bp, phy,
  6105. MDIO_AN_DEVAD,
  6106. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6107. pause_result = (ld_pause &
  6108. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6109. pause_result |= (lp_pause &
  6110. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6111. bnx2x_pause_resolve(vars, pause_result);
  6112. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6113. pause_result);
  6114. }
  6115. }
  6116. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6117. struct bnx2x_phy *phy,
  6118. u8 port)
  6119. {
  6120. u32 count = 0;
  6121. u16 fw_ver1, fw_msgout;
  6122. int rc = 0;
  6123. /* Boot port from external ROM */
  6124. /* EDC grst */
  6125. bnx2x_cl45_write(bp, phy,
  6126. MDIO_PMA_DEVAD,
  6127. MDIO_PMA_REG_GEN_CTRL,
  6128. 0x0001);
  6129. /* ucode reboot and rst */
  6130. bnx2x_cl45_write(bp, phy,
  6131. MDIO_PMA_DEVAD,
  6132. MDIO_PMA_REG_GEN_CTRL,
  6133. 0x008c);
  6134. bnx2x_cl45_write(bp, phy,
  6135. MDIO_PMA_DEVAD,
  6136. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6137. /* Reset internal microprocessor */
  6138. bnx2x_cl45_write(bp, phy,
  6139. MDIO_PMA_DEVAD,
  6140. MDIO_PMA_REG_GEN_CTRL,
  6141. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6142. /* Release srst bit */
  6143. bnx2x_cl45_write(bp, phy,
  6144. MDIO_PMA_DEVAD,
  6145. MDIO_PMA_REG_GEN_CTRL,
  6146. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6147. /* Delay 100ms per the PHY specifications */
  6148. msleep(100);
  6149. /* 8073 sometimes taking longer to download */
  6150. do {
  6151. count++;
  6152. if (count > 300) {
  6153. DP(NETIF_MSG_LINK,
  6154. "bnx2x_8073_8727_external_rom_boot port %x:"
  6155. "Download failed. fw version = 0x%x\n",
  6156. port, fw_ver1);
  6157. rc = -EINVAL;
  6158. break;
  6159. }
  6160. bnx2x_cl45_read(bp, phy,
  6161. MDIO_PMA_DEVAD,
  6162. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6163. bnx2x_cl45_read(bp, phy,
  6164. MDIO_PMA_DEVAD,
  6165. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6166. msleep(1);
  6167. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6168. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6169. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6170. /* Clear ser_boot_ctl bit */
  6171. bnx2x_cl45_write(bp, phy,
  6172. MDIO_PMA_DEVAD,
  6173. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6174. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6175. DP(NETIF_MSG_LINK,
  6176. "bnx2x_8073_8727_external_rom_boot port %x:"
  6177. "Download complete. fw version = 0x%x\n",
  6178. port, fw_ver1);
  6179. return rc;
  6180. }
  6181. /******************************************************************/
  6182. /* BCM8073 PHY SECTION */
  6183. /******************************************************************/
  6184. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6185. {
  6186. /* This is only required for 8073A1, version 102 only */
  6187. u16 val;
  6188. /* Read 8073 HW revision*/
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_PMA_DEVAD,
  6191. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6192. if (val != 1) {
  6193. /* No need to workaround in 8073 A1 */
  6194. return 0;
  6195. }
  6196. bnx2x_cl45_read(bp, phy,
  6197. MDIO_PMA_DEVAD,
  6198. MDIO_PMA_REG_ROM_VER2, &val);
  6199. /* SNR should be applied only for version 0x102 */
  6200. if (val != 0x102)
  6201. return 0;
  6202. return 1;
  6203. }
  6204. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6205. {
  6206. u16 val, cnt, cnt1 ;
  6207. bnx2x_cl45_read(bp, phy,
  6208. MDIO_PMA_DEVAD,
  6209. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6210. if (val > 0) {
  6211. /* No need to workaround in 8073 A1 */
  6212. return 0;
  6213. }
  6214. /* XAUI workaround in 8073 A0: */
  6215. /*
  6216. * After loading the boot ROM and restarting Autoneg, poll
  6217. * Dev1, Reg $C820:
  6218. */
  6219. for (cnt = 0; cnt < 1000; cnt++) {
  6220. bnx2x_cl45_read(bp, phy,
  6221. MDIO_PMA_DEVAD,
  6222. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6223. &val);
  6224. /*
  6225. * If bit [14] = 0 or bit [13] = 0, continue on with
  6226. * system initialization (XAUI work-around not required, as
  6227. * these bits indicate 2.5G or 1G link up).
  6228. */
  6229. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6230. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6231. return 0;
  6232. } else if (!(val & (1<<15))) {
  6233. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6234. /*
  6235. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6236. * MSB (bit15) goes to 1 (indicating that the XAUI
  6237. * workaround has completed), then continue on with
  6238. * system initialization.
  6239. */
  6240. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6241. bnx2x_cl45_read(bp, phy,
  6242. MDIO_PMA_DEVAD,
  6243. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6244. if (val & (1<<15)) {
  6245. DP(NETIF_MSG_LINK,
  6246. "XAUI workaround has completed\n");
  6247. return 0;
  6248. }
  6249. msleep(3);
  6250. }
  6251. break;
  6252. }
  6253. msleep(3);
  6254. }
  6255. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6256. return -EINVAL;
  6257. }
  6258. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6259. {
  6260. /* Force KR or KX */
  6261. bnx2x_cl45_write(bp, phy,
  6262. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6263. bnx2x_cl45_write(bp, phy,
  6264. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6265. bnx2x_cl45_write(bp, phy,
  6266. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6267. bnx2x_cl45_write(bp, phy,
  6268. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6269. }
  6270. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6271. struct bnx2x_phy *phy,
  6272. struct link_vars *vars)
  6273. {
  6274. u16 cl37_val;
  6275. struct bnx2x *bp = params->bp;
  6276. bnx2x_cl45_read(bp, phy,
  6277. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6278. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6279. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6280. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6281. if ((vars->ieee_fc &
  6282. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6283. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6284. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6285. }
  6286. if ((vars->ieee_fc &
  6287. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6288. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6289. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6290. }
  6291. if ((vars->ieee_fc &
  6292. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6293. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6294. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6295. }
  6296. DP(NETIF_MSG_LINK,
  6297. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6298. bnx2x_cl45_write(bp, phy,
  6299. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6300. msleep(500);
  6301. }
  6302. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6303. struct link_params *params,
  6304. struct link_vars *vars)
  6305. {
  6306. struct bnx2x *bp = params->bp;
  6307. u16 val = 0, tmp1;
  6308. u8 gpio_port;
  6309. DP(NETIF_MSG_LINK, "Init 8073\n");
  6310. if (CHIP_IS_E2(bp))
  6311. gpio_port = BP_PATH(bp);
  6312. else
  6313. gpio_port = params->port;
  6314. /* Restore normal power mode*/
  6315. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6316. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6317. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6318. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6319. /* enable LASI */
  6320. bnx2x_cl45_write(bp, phy,
  6321. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6322. bnx2x_cl45_write(bp, phy,
  6323. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6324. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6325. bnx2x_cl45_read(bp, phy,
  6326. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6327. bnx2x_cl45_read(bp, phy,
  6328. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6329. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6330. /* Swap polarity if required - Must be done only in non-1G mode */
  6331. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6332. /* Configure the 8073 to swap _P and _N of the KR lines */
  6333. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6334. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6335. bnx2x_cl45_read(bp, phy,
  6336. MDIO_PMA_DEVAD,
  6337. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6338. bnx2x_cl45_write(bp, phy,
  6339. MDIO_PMA_DEVAD,
  6340. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6341. (val | (3<<9)));
  6342. }
  6343. /* Enable CL37 BAM */
  6344. if (REG_RD(bp, params->shmem_base +
  6345. offsetof(struct shmem_region, dev_info.
  6346. port_hw_config[params->port].default_cfg)) &
  6347. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6348. bnx2x_cl45_read(bp, phy,
  6349. MDIO_AN_DEVAD,
  6350. MDIO_AN_REG_8073_BAM, &val);
  6351. bnx2x_cl45_write(bp, phy,
  6352. MDIO_AN_DEVAD,
  6353. MDIO_AN_REG_8073_BAM, val | 1);
  6354. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6355. }
  6356. if (params->loopback_mode == LOOPBACK_EXT) {
  6357. bnx2x_807x_force_10G(bp, phy);
  6358. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6359. return 0;
  6360. } else {
  6361. bnx2x_cl45_write(bp, phy,
  6362. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6363. }
  6364. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6365. if (phy->req_line_speed == SPEED_10000) {
  6366. val = (1<<7);
  6367. } else if (phy->req_line_speed == SPEED_2500) {
  6368. val = (1<<5);
  6369. /*
  6370. * Note that 2.5G works only when used with 1G
  6371. * advertisement
  6372. */
  6373. } else
  6374. val = (1<<5);
  6375. } else {
  6376. val = 0;
  6377. if (phy->speed_cap_mask &
  6378. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6379. val |= (1<<7);
  6380. /* Note that 2.5G works only when used with 1G advertisement */
  6381. if (phy->speed_cap_mask &
  6382. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6383. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6384. val |= (1<<5);
  6385. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6386. }
  6387. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6388. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6389. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6390. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6391. (phy->req_line_speed == SPEED_2500)) {
  6392. u16 phy_ver;
  6393. /* Allow 2.5G for A1 and above */
  6394. bnx2x_cl45_read(bp, phy,
  6395. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6396. &phy_ver);
  6397. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6398. if (phy_ver > 0)
  6399. tmp1 |= 1;
  6400. else
  6401. tmp1 &= 0xfffe;
  6402. } else {
  6403. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6404. tmp1 &= 0xfffe;
  6405. }
  6406. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6407. /* Add support for CL37 (passive mode) II */
  6408. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6409. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6410. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6411. 0x20 : 0x40)));
  6412. /* Add support for CL37 (passive mode) III */
  6413. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6414. /*
  6415. * The SNR will improve about 2db by changing BW and FEE main
  6416. * tap. Rest commands are executed after link is up
  6417. * Change FFE main cursor to 5 in EDC register
  6418. */
  6419. if (bnx2x_8073_is_snr_needed(bp, phy))
  6420. bnx2x_cl45_write(bp, phy,
  6421. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6422. 0xFB0C);
  6423. /* Enable FEC (Forware Error Correction) Request in the AN */
  6424. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6425. tmp1 |= (1<<15);
  6426. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6427. bnx2x_ext_phy_set_pause(params, phy, vars);
  6428. /* Restart autoneg */
  6429. msleep(500);
  6430. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6431. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6432. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6433. return 0;
  6434. }
  6435. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6436. struct link_params *params,
  6437. struct link_vars *vars)
  6438. {
  6439. struct bnx2x *bp = params->bp;
  6440. u8 link_up = 0;
  6441. u16 val1, val2;
  6442. u16 link_status = 0;
  6443. u16 an1000_status = 0;
  6444. bnx2x_cl45_read(bp, phy,
  6445. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6446. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6447. /* clear the interrupt LASI status register */
  6448. bnx2x_cl45_read(bp, phy,
  6449. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6450. bnx2x_cl45_read(bp, phy,
  6451. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6452. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6453. /* Clear MSG-OUT */
  6454. bnx2x_cl45_read(bp, phy,
  6455. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6456. /* Check the LASI */
  6457. bnx2x_cl45_read(bp, phy,
  6458. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6459. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6460. /* Check the link status */
  6461. bnx2x_cl45_read(bp, phy,
  6462. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6463. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6464. bnx2x_cl45_read(bp, phy,
  6465. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6466. bnx2x_cl45_read(bp, phy,
  6467. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6468. link_up = ((val1 & 4) == 4);
  6469. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6470. if (link_up &&
  6471. ((phy->req_line_speed != SPEED_10000))) {
  6472. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6473. return 0;
  6474. }
  6475. bnx2x_cl45_read(bp, phy,
  6476. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6477. bnx2x_cl45_read(bp, phy,
  6478. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6479. /* Check the link status on 1.1.2 */
  6480. bnx2x_cl45_read(bp, phy,
  6481. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6482. bnx2x_cl45_read(bp, phy,
  6483. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6484. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6485. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6486. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6487. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6488. /*
  6489. * The SNR will improve about 2dbby changing the BW and FEE main
  6490. * tap. The 1st write to change FFE main tap is set before
  6491. * restart AN. Change PLL Bandwidth in EDC register
  6492. */
  6493. bnx2x_cl45_write(bp, phy,
  6494. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6495. 0x26BC);
  6496. /* Change CDR Bandwidth in EDC register */
  6497. bnx2x_cl45_write(bp, phy,
  6498. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6499. 0x0333);
  6500. }
  6501. bnx2x_cl45_read(bp, phy,
  6502. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6503. &link_status);
  6504. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6505. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6506. link_up = 1;
  6507. vars->line_speed = SPEED_10000;
  6508. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6509. params->port);
  6510. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6511. link_up = 1;
  6512. vars->line_speed = SPEED_2500;
  6513. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6514. params->port);
  6515. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6516. link_up = 1;
  6517. vars->line_speed = SPEED_1000;
  6518. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6519. params->port);
  6520. } else {
  6521. link_up = 0;
  6522. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6523. params->port);
  6524. }
  6525. if (link_up) {
  6526. /* Swap polarity if required */
  6527. if (params->lane_config &
  6528. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6529. /* Configure the 8073 to swap P and N of the KR lines */
  6530. bnx2x_cl45_read(bp, phy,
  6531. MDIO_XS_DEVAD,
  6532. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6533. /*
  6534. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6535. * when it`s in 10G mode.
  6536. */
  6537. if (vars->line_speed == SPEED_1000) {
  6538. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6539. "the 8073\n");
  6540. val1 |= (1<<3);
  6541. } else
  6542. val1 &= ~(1<<3);
  6543. bnx2x_cl45_write(bp, phy,
  6544. MDIO_XS_DEVAD,
  6545. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6546. val1);
  6547. }
  6548. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6549. bnx2x_8073_resolve_fc(phy, params, vars);
  6550. vars->duplex = DUPLEX_FULL;
  6551. }
  6552. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6553. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6554. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6555. if (val1 & (1<<5))
  6556. vars->link_status |=
  6557. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6558. if (val1 & (1<<7))
  6559. vars->link_status |=
  6560. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6561. }
  6562. return link_up;
  6563. }
  6564. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6565. struct link_params *params)
  6566. {
  6567. struct bnx2x *bp = params->bp;
  6568. u8 gpio_port;
  6569. if (CHIP_IS_E2(bp))
  6570. gpio_port = BP_PATH(bp);
  6571. else
  6572. gpio_port = params->port;
  6573. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6574. gpio_port);
  6575. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6576. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6577. gpio_port);
  6578. }
  6579. /******************************************************************/
  6580. /* BCM8705 PHY SECTION */
  6581. /******************************************************************/
  6582. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6583. struct link_params *params,
  6584. struct link_vars *vars)
  6585. {
  6586. struct bnx2x *bp = params->bp;
  6587. DP(NETIF_MSG_LINK, "init 8705\n");
  6588. /* Restore normal power mode*/
  6589. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6590. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6591. /* HW reset */
  6592. bnx2x_ext_phy_hw_reset(bp, params->port);
  6593. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6594. bnx2x_wait_reset_complete(bp, phy, params);
  6595. bnx2x_cl45_write(bp, phy,
  6596. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6597. bnx2x_cl45_write(bp, phy,
  6598. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6599. bnx2x_cl45_write(bp, phy,
  6600. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6601. bnx2x_cl45_write(bp, phy,
  6602. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6603. /* BCM8705 doesn't have microcode, hence the 0 */
  6604. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6605. return 0;
  6606. }
  6607. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6608. struct link_params *params,
  6609. struct link_vars *vars)
  6610. {
  6611. u8 link_up = 0;
  6612. u16 val1, rx_sd;
  6613. struct bnx2x *bp = params->bp;
  6614. DP(NETIF_MSG_LINK, "read status 8705\n");
  6615. bnx2x_cl45_read(bp, phy,
  6616. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6617. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6618. bnx2x_cl45_read(bp, phy,
  6619. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6620. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6621. bnx2x_cl45_read(bp, phy,
  6622. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6623. bnx2x_cl45_read(bp, phy,
  6624. MDIO_PMA_DEVAD, 0xc809, &val1);
  6625. bnx2x_cl45_read(bp, phy,
  6626. MDIO_PMA_DEVAD, 0xc809, &val1);
  6627. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6628. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6629. if (link_up) {
  6630. vars->line_speed = SPEED_10000;
  6631. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6632. }
  6633. return link_up;
  6634. }
  6635. /******************************************************************/
  6636. /* SFP+ module Section */
  6637. /******************************************************************/
  6638. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6639. struct bnx2x_phy *phy,
  6640. u8 pmd_dis)
  6641. {
  6642. struct bnx2x *bp = params->bp;
  6643. /*
  6644. * Disable transmitter only for bootcodes which can enable it afterwards
  6645. * (for D3 link)
  6646. */
  6647. if (pmd_dis) {
  6648. if (params->feature_config_flags &
  6649. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6650. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6651. else {
  6652. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6653. return;
  6654. }
  6655. } else
  6656. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6657. bnx2x_cl45_write(bp, phy,
  6658. MDIO_PMA_DEVAD,
  6659. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6660. }
  6661. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6662. {
  6663. u8 gpio_port;
  6664. u32 swap_val, swap_override;
  6665. struct bnx2x *bp = params->bp;
  6666. if (CHIP_IS_E2(bp))
  6667. gpio_port = BP_PATH(bp);
  6668. else
  6669. gpio_port = params->port;
  6670. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6671. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6672. return gpio_port ^ (swap_val && swap_override);
  6673. }
  6674. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6675. struct bnx2x_phy *phy,
  6676. u8 tx_en)
  6677. {
  6678. u16 val;
  6679. u8 port = params->port;
  6680. struct bnx2x *bp = params->bp;
  6681. u32 tx_en_mode;
  6682. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6683. tx_en_mode = REG_RD(bp, params->shmem_base +
  6684. offsetof(struct shmem_region,
  6685. dev_info.port_hw_config[port].sfp_ctrl)) &
  6686. PORT_HW_CFG_TX_LASER_MASK;
  6687. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6688. "mode = %x\n", tx_en, port, tx_en_mode);
  6689. switch (tx_en_mode) {
  6690. case PORT_HW_CFG_TX_LASER_MDIO:
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_PMA_DEVAD,
  6693. MDIO_PMA_REG_PHY_IDENTIFIER,
  6694. &val);
  6695. if (tx_en)
  6696. val &= ~(1<<15);
  6697. else
  6698. val |= (1<<15);
  6699. bnx2x_cl45_write(bp, phy,
  6700. MDIO_PMA_DEVAD,
  6701. MDIO_PMA_REG_PHY_IDENTIFIER,
  6702. val);
  6703. break;
  6704. case PORT_HW_CFG_TX_LASER_GPIO0:
  6705. case PORT_HW_CFG_TX_LASER_GPIO1:
  6706. case PORT_HW_CFG_TX_LASER_GPIO2:
  6707. case PORT_HW_CFG_TX_LASER_GPIO3:
  6708. {
  6709. u16 gpio_pin;
  6710. u8 gpio_port, gpio_mode;
  6711. if (tx_en)
  6712. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6713. else
  6714. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6715. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6716. gpio_port = bnx2x_get_gpio_port(params);
  6717. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6718. break;
  6719. }
  6720. default:
  6721. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6722. break;
  6723. }
  6724. }
  6725. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6726. struct bnx2x_phy *phy,
  6727. u8 tx_en)
  6728. {
  6729. struct bnx2x *bp = params->bp;
  6730. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6731. if (CHIP_IS_E3(bp))
  6732. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6733. else
  6734. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6735. }
  6736. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6737. struct link_params *params,
  6738. u16 addr, u8 byte_cnt, u8 *o_buf)
  6739. {
  6740. struct bnx2x *bp = params->bp;
  6741. u16 val = 0;
  6742. u16 i;
  6743. if (byte_cnt > 16) {
  6744. DP(NETIF_MSG_LINK,
  6745. "Reading from eeprom is limited to 0xf\n");
  6746. return -EINVAL;
  6747. }
  6748. /* Set the read command byte count */
  6749. bnx2x_cl45_write(bp, phy,
  6750. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6751. (byte_cnt | 0xa000));
  6752. /* Set the read command address */
  6753. bnx2x_cl45_write(bp, phy,
  6754. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6755. addr);
  6756. /* Activate read command */
  6757. bnx2x_cl45_write(bp, phy,
  6758. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6759. 0x2c0f);
  6760. /* Wait up to 500us for command complete status */
  6761. for (i = 0; i < 100; i++) {
  6762. bnx2x_cl45_read(bp, phy,
  6763. MDIO_PMA_DEVAD,
  6764. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6765. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6766. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6767. break;
  6768. udelay(5);
  6769. }
  6770. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6771. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6772. DP(NETIF_MSG_LINK,
  6773. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6774. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6775. return -EINVAL;
  6776. }
  6777. /* Read the buffer */
  6778. for (i = 0; i < byte_cnt; i++) {
  6779. bnx2x_cl45_read(bp, phy,
  6780. MDIO_PMA_DEVAD,
  6781. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6782. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6783. }
  6784. for (i = 0; i < 100; i++) {
  6785. bnx2x_cl45_read(bp, phy,
  6786. MDIO_PMA_DEVAD,
  6787. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6788. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6789. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6790. return 0;
  6791. msleep(1);
  6792. }
  6793. return -EINVAL;
  6794. }
  6795. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6796. struct link_params *params,
  6797. u16 addr, u8 byte_cnt,
  6798. u8 *o_buf)
  6799. {
  6800. int rc = 0;
  6801. u8 i, j = 0, cnt = 0;
  6802. u32 data_array[4];
  6803. u16 addr32;
  6804. struct bnx2x *bp = params->bp;
  6805. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6806. " addr %d, cnt %d\n",
  6807. addr, byte_cnt);*/
  6808. if (byte_cnt > 16) {
  6809. DP(NETIF_MSG_LINK,
  6810. "Reading from eeprom is limited to 16 bytes\n");
  6811. return -EINVAL;
  6812. }
  6813. /* 4 byte aligned address */
  6814. addr32 = addr & (~0x3);
  6815. do {
  6816. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6817. data_array);
  6818. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6819. if (rc == 0) {
  6820. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6821. o_buf[j] = *((u8 *)data_array + i);
  6822. j++;
  6823. }
  6824. }
  6825. return rc;
  6826. }
  6827. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6828. struct link_params *params,
  6829. u16 addr, u8 byte_cnt, u8 *o_buf)
  6830. {
  6831. struct bnx2x *bp = params->bp;
  6832. u16 val, i;
  6833. if (byte_cnt > 16) {
  6834. DP(NETIF_MSG_LINK,
  6835. "Reading from eeprom is limited to 0xf\n");
  6836. return -EINVAL;
  6837. }
  6838. /* Need to read from 1.8000 to clear it */
  6839. bnx2x_cl45_read(bp, phy,
  6840. MDIO_PMA_DEVAD,
  6841. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6842. &val);
  6843. /* Set the read command byte count */
  6844. bnx2x_cl45_write(bp, phy,
  6845. MDIO_PMA_DEVAD,
  6846. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6847. ((byte_cnt < 2) ? 2 : byte_cnt));
  6848. /* Set the read command address */
  6849. bnx2x_cl45_write(bp, phy,
  6850. MDIO_PMA_DEVAD,
  6851. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6852. addr);
  6853. /* Set the destination address */
  6854. bnx2x_cl45_write(bp, phy,
  6855. MDIO_PMA_DEVAD,
  6856. 0x8004,
  6857. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6858. /* Activate read command */
  6859. bnx2x_cl45_write(bp, phy,
  6860. MDIO_PMA_DEVAD,
  6861. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6862. 0x8002);
  6863. /*
  6864. * Wait appropriate time for two-wire command to finish before
  6865. * polling the status register
  6866. */
  6867. msleep(1);
  6868. /* Wait up to 500us for command complete status */
  6869. for (i = 0; i < 100; i++) {
  6870. bnx2x_cl45_read(bp, phy,
  6871. MDIO_PMA_DEVAD,
  6872. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6873. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6874. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6875. break;
  6876. udelay(5);
  6877. }
  6878. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6879. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6880. DP(NETIF_MSG_LINK,
  6881. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6882. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6883. return -EFAULT;
  6884. }
  6885. /* Read the buffer */
  6886. for (i = 0; i < byte_cnt; i++) {
  6887. bnx2x_cl45_read(bp, phy,
  6888. MDIO_PMA_DEVAD,
  6889. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6890. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6891. }
  6892. for (i = 0; i < 100; i++) {
  6893. bnx2x_cl45_read(bp, phy,
  6894. MDIO_PMA_DEVAD,
  6895. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6896. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6897. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6898. return 0;
  6899. msleep(1);
  6900. }
  6901. return -EINVAL;
  6902. }
  6903. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6904. struct link_params *params, u16 addr,
  6905. u8 byte_cnt, u8 *o_buf)
  6906. {
  6907. int rc = -EINVAL;
  6908. switch (phy->type) {
  6909. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6910. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6911. byte_cnt, o_buf);
  6912. break;
  6913. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6914. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6915. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6916. byte_cnt, o_buf);
  6917. break;
  6918. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6919. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6920. byte_cnt, o_buf);
  6921. break;
  6922. }
  6923. return rc;
  6924. }
  6925. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6926. struct link_params *params,
  6927. u16 *edc_mode)
  6928. {
  6929. struct bnx2x *bp = params->bp;
  6930. u32 sync_offset = 0, phy_idx, media_types;
  6931. u8 val, check_limiting_mode = 0;
  6932. *edc_mode = EDC_MODE_LIMITING;
  6933. phy->media_type = ETH_PHY_UNSPECIFIED;
  6934. /* First check for copper cable */
  6935. if (bnx2x_read_sfp_module_eeprom(phy,
  6936. params,
  6937. SFP_EEPROM_CON_TYPE_ADDR,
  6938. 1,
  6939. &val) != 0) {
  6940. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6941. return -EINVAL;
  6942. }
  6943. switch (val) {
  6944. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6945. {
  6946. u8 copper_module_type;
  6947. phy->media_type = ETH_PHY_DA_TWINAX;
  6948. /*
  6949. * Check if its active cable (includes SFP+ module)
  6950. * of passive cable
  6951. */
  6952. if (bnx2x_read_sfp_module_eeprom(phy,
  6953. params,
  6954. SFP_EEPROM_FC_TX_TECH_ADDR,
  6955. 1,
  6956. &copper_module_type) != 0) {
  6957. DP(NETIF_MSG_LINK,
  6958. "Failed to read copper-cable-type"
  6959. " from SFP+ EEPROM\n");
  6960. return -EINVAL;
  6961. }
  6962. if (copper_module_type &
  6963. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6964. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6965. check_limiting_mode = 1;
  6966. } else if (copper_module_type &
  6967. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6968. DP(NETIF_MSG_LINK,
  6969. "Passive Copper cable detected\n");
  6970. *edc_mode =
  6971. EDC_MODE_PASSIVE_DAC;
  6972. } else {
  6973. DP(NETIF_MSG_LINK,
  6974. "Unknown copper-cable-type 0x%x !!!\n",
  6975. copper_module_type);
  6976. return -EINVAL;
  6977. }
  6978. break;
  6979. }
  6980. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6981. phy->media_type = ETH_PHY_SFP_FIBER;
  6982. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6983. check_limiting_mode = 1;
  6984. break;
  6985. default:
  6986. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6987. val);
  6988. return -EINVAL;
  6989. }
  6990. sync_offset = params->shmem_base +
  6991. offsetof(struct shmem_region,
  6992. dev_info.port_hw_config[params->port].media_type);
  6993. media_types = REG_RD(bp, sync_offset);
  6994. /* Update media type for non-PMF sync */
  6995. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6996. if (&(params->phy[phy_idx]) == phy) {
  6997. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6998. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6999. media_types |= ((phy->media_type &
  7000. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7001. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7002. break;
  7003. }
  7004. }
  7005. REG_WR(bp, sync_offset, media_types);
  7006. if (check_limiting_mode) {
  7007. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7008. if (bnx2x_read_sfp_module_eeprom(phy,
  7009. params,
  7010. SFP_EEPROM_OPTIONS_ADDR,
  7011. SFP_EEPROM_OPTIONS_SIZE,
  7012. options) != 0) {
  7013. DP(NETIF_MSG_LINK,
  7014. "Failed to read Option field from module EEPROM\n");
  7015. return -EINVAL;
  7016. }
  7017. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7018. *edc_mode = EDC_MODE_LINEAR;
  7019. else
  7020. *edc_mode = EDC_MODE_LIMITING;
  7021. }
  7022. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7023. return 0;
  7024. }
  7025. /*
  7026. * This function read the relevant field from the module (SFP+), and verify it
  7027. * is compliant with this board
  7028. */
  7029. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7030. struct link_params *params)
  7031. {
  7032. struct bnx2x *bp = params->bp;
  7033. u32 val, cmd;
  7034. u32 fw_resp, fw_cmd_param;
  7035. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7036. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7037. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7038. val = REG_RD(bp, params->shmem_base +
  7039. offsetof(struct shmem_region, dev_info.
  7040. port_feature_config[params->port].config));
  7041. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7042. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7043. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7044. return 0;
  7045. }
  7046. if (params->feature_config_flags &
  7047. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7048. /* Use specific phy request */
  7049. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7050. } else if (params->feature_config_flags &
  7051. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7052. /* Use first phy request only in case of non-dual media*/
  7053. if (DUAL_MEDIA(params)) {
  7054. DP(NETIF_MSG_LINK,
  7055. "FW does not support OPT MDL verification\n");
  7056. return -EINVAL;
  7057. }
  7058. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7059. } else {
  7060. /* No support in OPT MDL detection */
  7061. DP(NETIF_MSG_LINK,
  7062. "FW does not support OPT MDL verification\n");
  7063. return -EINVAL;
  7064. }
  7065. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7066. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7067. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7068. DP(NETIF_MSG_LINK, "Approved module\n");
  7069. return 0;
  7070. }
  7071. /* format the warning message */
  7072. if (bnx2x_read_sfp_module_eeprom(phy,
  7073. params,
  7074. SFP_EEPROM_VENDOR_NAME_ADDR,
  7075. SFP_EEPROM_VENDOR_NAME_SIZE,
  7076. (u8 *)vendor_name))
  7077. vendor_name[0] = '\0';
  7078. else
  7079. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7080. if (bnx2x_read_sfp_module_eeprom(phy,
  7081. params,
  7082. SFP_EEPROM_PART_NO_ADDR,
  7083. SFP_EEPROM_PART_NO_SIZE,
  7084. (u8 *)vendor_pn))
  7085. vendor_pn[0] = '\0';
  7086. else
  7087. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7088. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7089. " Port %d from %s part number %s\n",
  7090. params->port, vendor_name, vendor_pn);
  7091. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7092. return -EINVAL;
  7093. }
  7094. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7095. struct link_params *params)
  7096. {
  7097. u8 val;
  7098. struct bnx2x *bp = params->bp;
  7099. u16 timeout;
  7100. /*
  7101. * Initialization time after hot-plug may take up to 300ms for
  7102. * some phys type ( e.g. JDSU )
  7103. */
  7104. for (timeout = 0; timeout < 60; timeout++) {
  7105. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7106. == 0) {
  7107. DP(NETIF_MSG_LINK,
  7108. "SFP+ module initialization took %d ms\n",
  7109. timeout * 5);
  7110. return 0;
  7111. }
  7112. msleep(5);
  7113. }
  7114. return -EINVAL;
  7115. }
  7116. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7117. struct bnx2x_phy *phy,
  7118. u8 is_power_up) {
  7119. /* Make sure GPIOs are not using for LED mode */
  7120. u16 val;
  7121. /*
  7122. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7123. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7124. * output
  7125. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7126. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7127. * where the 1st bit is the over-current(only input), and 2nd bit is
  7128. * for power( only output )
  7129. *
  7130. * In case of NOC feature is disabled and power is up, set GPIO control
  7131. * as input to enable listening of over-current indication
  7132. */
  7133. if (phy->flags & FLAGS_NOC)
  7134. return;
  7135. if (is_power_up)
  7136. val = (1<<4);
  7137. else
  7138. /*
  7139. * Set GPIO control to OUTPUT, and set the power bit
  7140. * to according to the is_power_up
  7141. */
  7142. val = (1<<1);
  7143. bnx2x_cl45_write(bp, phy,
  7144. MDIO_PMA_DEVAD,
  7145. MDIO_PMA_REG_8727_GPIO_CTRL,
  7146. val);
  7147. }
  7148. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7149. struct bnx2x_phy *phy,
  7150. u16 edc_mode)
  7151. {
  7152. u16 cur_limiting_mode;
  7153. bnx2x_cl45_read(bp, phy,
  7154. MDIO_PMA_DEVAD,
  7155. MDIO_PMA_REG_ROM_VER2,
  7156. &cur_limiting_mode);
  7157. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7158. cur_limiting_mode);
  7159. if (edc_mode == EDC_MODE_LIMITING) {
  7160. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7161. bnx2x_cl45_write(bp, phy,
  7162. MDIO_PMA_DEVAD,
  7163. MDIO_PMA_REG_ROM_VER2,
  7164. EDC_MODE_LIMITING);
  7165. } else { /* LRM mode ( default )*/
  7166. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7167. /*
  7168. * Changing to LRM mode takes quite few seconds. So do it only
  7169. * if current mode is limiting (default is LRM)
  7170. */
  7171. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7172. return 0;
  7173. bnx2x_cl45_write(bp, phy,
  7174. MDIO_PMA_DEVAD,
  7175. MDIO_PMA_REG_LRM_MODE,
  7176. 0);
  7177. bnx2x_cl45_write(bp, phy,
  7178. MDIO_PMA_DEVAD,
  7179. MDIO_PMA_REG_ROM_VER2,
  7180. 0x128);
  7181. bnx2x_cl45_write(bp, phy,
  7182. MDIO_PMA_DEVAD,
  7183. MDIO_PMA_REG_MISC_CTRL0,
  7184. 0x4008);
  7185. bnx2x_cl45_write(bp, phy,
  7186. MDIO_PMA_DEVAD,
  7187. MDIO_PMA_REG_LRM_MODE,
  7188. 0xaaaa);
  7189. }
  7190. return 0;
  7191. }
  7192. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7193. struct bnx2x_phy *phy,
  7194. u16 edc_mode)
  7195. {
  7196. u16 phy_identifier;
  7197. u16 rom_ver2_val;
  7198. bnx2x_cl45_read(bp, phy,
  7199. MDIO_PMA_DEVAD,
  7200. MDIO_PMA_REG_PHY_IDENTIFIER,
  7201. &phy_identifier);
  7202. bnx2x_cl45_write(bp, phy,
  7203. MDIO_PMA_DEVAD,
  7204. MDIO_PMA_REG_PHY_IDENTIFIER,
  7205. (phy_identifier & ~(1<<9)));
  7206. bnx2x_cl45_read(bp, phy,
  7207. MDIO_PMA_DEVAD,
  7208. MDIO_PMA_REG_ROM_VER2,
  7209. &rom_ver2_val);
  7210. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7211. bnx2x_cl45_write(bp, phy,
  7212. MDIO_PMA_DEVAD,
  7213. MDIO_PMA_REG_ROM_VER2,
  7214. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7215. bnx2x_cl45_write(bp, phy,
  7216. MDIO_PMA_DEVAD,
  7217. MDIO_PMA_REG_PHY_IDENTIFIER,
  7218. (phy_identifier | (1<<9)));
  7219. return 0;
  7220. }
  7221. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7222. struct link_params *params,
  7223. u32 action)
  7224. {
  7225. struct bnx2x *bp = params->bp;
  7226. switch (action) {
  7227. case DISABLE_TX:
  7228. bnx2x_sfp_set_transmitter(params, phy, 0);
  7229. break;
  7230. case ENABLE_TX:
  7231. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7232. bnx2x_sfp_set_transmitter(params, phy, 1);
  7233. break;
  7234. default:
  7235. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7236. action);
  7237. return;
  7238. }
  7239. }
  7240. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7241. u8 gpio_mode)
  7242. {
  7243. struct bnx2x *bp = params->bp;
  7244. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7245. offsetof(struct shmem_region,
  7246. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7247. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7248. switch (fault_led_gpio) {
  7249. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7250. return;
  7251. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7252. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7253. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7254. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7255. {
  7256. u8 gpio_port = bnx2x_get_gpio_port(params);
  7257. u16 gpio_pin = fault_led_gpio -
  7258. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7259. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7260. "pin %x port %x mode %x\n",
  7261. gpio_pin, gpio_port, gpio_mode);
  7262. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7263. }
  7264. break;
  7265. default:
  7266. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7267. fault_led_gpio);
  7268. }
  7269. }
  7270. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7271. u8 gpio_mode)
  7272. {
  7273. u32 pin_cfg;
  7274. u8 port = params->port;
  7275. struct bnx2x *bp = params->bp;
  7276. pin_cfg = (REG_RD(bp, params->shmem_base +
  7277. offsetof(struct shmem_region,
  7278. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7279. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7280. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7281. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7282. gpio_mode, pin_cfg);
  7283. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7284. }
  7285. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7286. u8 gpio_mode)
  7287. {
  7288. struct bnx2x *bp = params->bp;
  7289. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7290. if (CHIP_IS_E3(bp)) {
  7291. /*
  7292. * Low ==> if SFP+ module is supported otherwise
  7293. * High ==> if SFP+ module is not on the approved vendor list
  7294. */
  7295. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7296. } else
  7297. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7298. }
  7299. static void bnx2x_warpcore_power_module(struct link_params *params,
  7300. struct bnx2x_phy *phy,
  7301. u8 power)
  7302. {
  7303. u32 pin_cfg;
  7304. struct bnx2x *bp = params->bp;
  7305. pin_cfg = (REG_RD(bp, params->shmem_base +
  7306. offsetof(struct shmem_region,
  7307. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7308. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7309. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7310. if (pin_cfg == PIN_CFG_NA)
  7311. return;
  7312. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7313. power, pin_cfg);
  7314. /*
  7315. * Low ==> corresponding SFP+ module is powered
  7316. * high ==> the SFP+ module is powered down
  7317. */
  7318. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7319. }
  7320. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7321. struct link_params *params)
  7322. {
  7323. struct bnx2x *bp = params->bp;
  7324. bnx2x_warpcore_power_module(params, phy, 0);
  7325. /* Put Warpcore in low power mode */
  7326. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7327. /* Put LCPLL in low power mode */
  7328. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7329. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7330. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7331. }
  7332. static void bnx2x_power_sfp_module(struct link_params *params,
  7333. struct bnx2x_phy *phy,
  7334. u8 power)
  7335. {
  7336. struct bnx2x *bp = params->bp;
  7337. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7338. switch (phy->type) {
  7339. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7340. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7341. bnx2x_8727_power_module(params->bp, phy, power);
  7342. break;
  7343. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7344. bnx2x_warpcore_power_module(params, phy, power);
  7345. break;
  7346. default:
  7347. break;
  7348. }
  7349. }
  7350. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7351. struct bnx2x_phy *phy,
  7352. u16 edc_mode)
  7353. {
  7354. u16 val = 0;
  7355. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7356. struct bnx2x *bp = params->bp;
  7357. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7358. /* This is a global register which controls all lanes */
  7359. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7360. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7361. val &= ~(0xf << (lane << 2));
  7362. switch (edc_mode) {
  7363. case EDC_MODE_LINEAR:
  7364. case EDC_MODE_LIMITING:
  7365. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7366. break;
  7367. case EDC_MODE_PASSIVE_DAC:
  7368. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7369. break;
  7370. default:
  7371. break;
  7372. }
  7373. val |= (mode << (lane << 2));
  7374. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7375. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7376. /* A must read */
  7377. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7378. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7379. /* Restart microcode to re-read the new mode */
  7380. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7381. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7382. }
  7383. static void bnx2x_set_limiting_mode(struct link_params *params,
  7384. struct bnx2x_phy *phy,
  7385. u16 edc_mode)
  7386. {
  7387. switch (phy->type) {
  7388. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7389. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7390. break;
  7391. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7392. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7393. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7394. break;
  7395. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7396. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7397. break;
  7398. }
  7399. }
  7400. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7401. struct link_params *params)
  7402. {
  7403. struct bnx2x *bp = params->bp;
  7404. u16 edc_mode;
  7405. int rc = 0;
  7406. u32 val = REG_RD(bp, params->shmem_base +
  7407. offsetof(struct shmem_region, dev_info.
  7408. port_feature_config[params->port].config));
  7409. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7410. params->port);
  7411. /* Power up module */
  7412. bnx2x_power_sfp_module(params, phy, 1);
  7413. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7414. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7415. return -EINVAL;
  7416. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7417. /* check SFP+ module compatibility */
  7418. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7419. rc = -EINVAL;
  7420. /* Turn on fault module-detected led */
  7421. bnx2x_set_sfp_module_fault_led(params,
  7422. MISC_REGISTERS_GPIO_HIGH);
  7423. /* Check if need to power down the SFP+ module */
  7424. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7425. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7426. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7427. bnx2x_power_sfp_module(params, phy, 0);
  7428. return rc;
  7429. }
  7430. } else {
  7431. /* Turn off fault module-detected led */
  7432. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7433. }
  7434. /*
  7435. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7436. * is done automatically
  7437. */
  7438. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7439. /*
  7440. * Enable transmit for this module if the module is approved, or
  7441. * if unapproved modules should also enable the Tx laser
  7442. */
  7443. if (rc == 0 ||
  7444. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7445. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7446. bnx2x_sfp_set_transmitter(params, phy, 1);
  7447. else
  7448. bnx2x_sfp_set_transmitter(params, phy, 0);
  7449. return rc;
  7450. }
  7451. void bnx2x_handle_module_detect_int(struct link_params *params)
  7452. {
  7453. struct bnx2x *bp = params->bp;
  7454. struct bnx2x_phy *phy;
  7455. u32 gpio_val;
  7456. u8 gpio_num, gpio_port;
  7457. if (CHIP_IS_E3(bp))
  7458. phy = &params->phy[INT_PHY];
  7459. else
  7460. phy = &params->phy[EXT_PHY1];
  7461. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7462. params->port, &gpio_num, &gpio_port) ==
  7463. -EINVAL) {
  7464. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7465. return;
  7466. }
  7467. /* Set valid module led off */
  7468. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7469. /* Get current gpio val reflecting module plugged in / out*/
  7470. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7471. /* Call the handling function in case module is detected */
  7472. if (gpio_val == 0) {
  7473. bnx2x_power_sfp_module(params, phy, 1);
  7474. bnx2x_set_gpio_int(bp, gpio_num,
  7475. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7476. gpio_port);
  7477. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7478. bnx2x_sfp_module_detection(phy, params);
  7479. else
  7480. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7481. } else {
  7482. u32 val = REG_RD(bp, params->shmem_base +
  7483. offsetof(struct shmem_region, dev_info.
  7484. port_feature_config[params->port].
  7485. config));
  7486. bnx2x_set_gpio_int(bp, gpio_num,
  7487. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7488. gpio_port);
  7489. /*
  7490. * Module was plugged out.
  7491. * Disable transmit for this module
  7492. */
  7493. phy->media_type = ETH_PHY_NOT_PRESENT;
  7494. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7495. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7496. CHIP_IS_E3(bp))
  7497. bnx2x_sfp_set_transmitter(params, phy, 0);
  7498. }
  7499. }
  7500. /******************************************************************/
  7501. /* Used by 8706 and 8727 */
  7502. /******************************************************************/
  7503. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7504. struct bnx2x_phy *phy,
  7505. u16 alarm_status_offset,
  7506. u16 alarm_ctrl_offset)
  7507. {
  7508. u16 alarm_status, val;
  7509. bnx2x_cl45_read(bp, phy,
  7510. MDIO_PMA_DEVAD, alarm_status_offset,
  7511. &alarm_status);
  7512. bnx2x_cl45_read(bp, phy,
  7513. MDIO_PMA_DEVAD, alarm_status_offset,
  7514. &alarm_status);
  7515. /* Mask or enable the fault event. */
  7516. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7517. if (alarm_status & (1<<0))
  7518. val &= ~(1<<0);
  7519. else
  7520. val |= (1<<0);
  7521. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7522. }
  7523. /******************************************************************/
  7524. /* common BCM8706/BCM8726 PHY SECTION */
  7525. /******************************************************************/
  7526. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7527. struct link_params *params,
  7528. struct link_vars *vars)
  7529. {
  7530. u8 link_up = 0;
  7531. u16 val1, val2, rx_sd, pcs_status;
  7532. struct bnx2x *bp = params->bp;
  7533. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7534. /* Clear RX Alarm*/
  7535. bnx2x_cl45_read(bp, phy,
  7536. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7537. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7538. MDIO_PMA_LASI_TXCTRL);
  7539. /* clear LASI indication*/
  7540. bnx2x_cl45_read(bp, phy,
  7541. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7542. bnx2x_cl45_read(bp, phy,
  7543. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7544. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7545. bnx2x_cl45_read(bp, phy,
  7546. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7547. bnx2x_cl45_read(bp, phy,
  7548. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7549. bnx2x_cl45_read(bp, phy,
  7550. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7551. bnx2x_cl45_read(bp, phy,
  7552. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7553. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7554. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7555. /*
  7556. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7557. * are set, or if the autoneg bit 1 is set
  7558. */
  7559. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7560. if (link_up) {
  7561. if (val2 & (1<<1))
  7562. vars->line_speed = SPEED_1000;
  7563. else
  7564. vars->line_speed = SPEED_10000;
  7565. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7566. vars->duplex = DUPLEX_FULL;
  7567. }
  7568. /* Capture 10G link fault. Read twice to clear stale value. */
  7569. if (vars->line_speed == SPEED_10000) {
  7570. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7571. MDIO_PMA_LASI_TXSTAT, &val1);
  7572. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7573. MDIO_PMA_LASI_TXSTAT, &val1);
  7574. if (val1 & (1<<0))
  7575. vars->fault_detected = 1;
  7576. }
  7577. return link_up;
  7578. }
  7579. /******************************************************************/
  7580. /* BCM8706 PHY SECTION */
  7581. /******************************************************************/
  7582. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7583. struct link_params *params,
  7584. struct link_vars *vars)
  7585. {
  7586. u32 tx_en_mode;
  7587. u16 cnt, val, tmp1;
  7588. struct bnx2x *bp = params->bp;
  7589. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7590. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7591. /* HW reset */
  7592. bnx2x_ext_phy_hw_reset(bp, params->port);
  7593. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7594. bnx2x_wait_reset_complete(bp, phy, params);
  7595. /* Wait until fw is loaded */
  7596. for (cnt = 0; cnt < 100; cnt++) {
  7597. bnx2x_cl45_read(bp, phy,
  7598. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7599. if (val)
  7600. break;
  7601. msleep(10);
  7602. }
  7603. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7604. if ((params->feature_config_flags &
  7605. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7606. u8 i;
  7607. u16 reg;
  7608. for (i = 0; i < 4; i++) {
  7609. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7610. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7611. MDIO_XS_8706_REG_BANK_RX0);
  7612. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7613. /* Clear first 3 bits of the control */
  7614. val &= ~0x7;
  7615. /* Set control bits according to configuration */
  7616. val |= (phy->rx_preemphasis[i] & 0x7);
  7617. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7618. " reg 0x%x <-- val 0x%x\n", reg, val);
  7619. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7620. }
  7621. }
  7622. /* Force speed */
  7623. if (phy->req_line_speed == SPEED_10000) {
  7624. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_PMA_DEVAD,
  7627. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7628. bnx2x_cl45_write(bp, phy,
  7629. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7630. 0);
  7631. /* Arm LASI for link and Tx fault. */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7634. } else {
  7635. /* Force 1Gbps using autoneg with 1G advertisement */
  7636. /* Allow CL37 through CL73 */
  7637. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7638. bnx2x_cl45_write(bp, phy,
  7639. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7640. /* Enable Full-Duplex advertisement on CL37 */
  7641. bnx2x_cl45_write(bp, phy,
  7642. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7643. /* Enable CL37 AN */
  7644. bnx2x_cl45_write(bp, phy,
  7645. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7646. /* 1G support */
  7647. bnx2x_cl45_write(bp, phy,
  7648. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7649. /* Enable clause 73 AN */
  7650. bnx2x_cl45_write(bp, phy,
  7651. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7652. bnx2x_cl45_write(bp, phy,
  7653. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7654. 0x0400);
  7655. bnx2x_cl45_write(bp, phy,
  7656. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7657. 0x0004);
  7658. }
  7659. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7660. /*
  7661. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7662. * power mode, if TX Laser is disabled
  7663. */
  7664. tx_en_mode = REG_RD(bp, params->shmem_base +
  7665. offsetof(struct shmem_region,
  7666. dev_info.port_hw_config[params->port].sfp_ctrl))
  7667. & PORT_HW_CFG_TX_LASER_MASK;
  7668. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7669. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7670. bnx2x_cl45_read(bp, phy,
  7671. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7672. tmp1 |= 0x1;
  7673. bnx2x_cl45_write(bp, phy,
  7674. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7675. }
  7676. return 0;
  7677. }
  7678. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7679. struct link_params *params,
  7680. struct link_vars *vars)
  7681. {
  7682. return bnx2x_8706_8726_read_status(phy, params, vars);
  7683. }
  7684. /******************************************************************/
  7685. /* BCM8726 PHY SECTION */
  7686. /******************************************************************/
  7687. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7688. struct link_params *params)
  7689. {
  7690. struct bnx2x *bp = params->bp;
  7691. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7692. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7693. }
  7694. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7695. struct link_params *params)
  7696. {
  7697. struct bnx2x *bp = params->bp;
  7698. /* Need to wait 100ms after reset */
  7699. msleep(100);
  7700. /* Micro controller re-boot */
  7701. bnx2x_cl45_write(bp, phy,
  7702. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7703. /* Set soft reset */
  7704. bnx2x_cl45_write(bp, phy,
  7705. MDIO_PMA_DEVAD,
  7706. MDIO_PMA_REG_GEN_CTRL,
  7707. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_PMA_DEVAD,
  7710. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7711. bnx2x_cl45_write(bp, phy,
  7712. MDIO_PMA_DEVAD,
  7713. MDIO_PMA_REG_GEN_CTRL,
  7714. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7715. /* wait for 150ms for microcode load */
  7716. msleep(150);
  7717. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_PMA_DEVAD,
  7720. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7721. msleep(200);
  7722. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7723. }
  7724. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7725. struct link_params *params,
  7726. struct link_vars *vars)
  7727. {
  7728. struct bnx2x *bp = params->bp;
  7729. u16 val1;
  7730. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7731. if (link_up) {
  7732. bnx2x_cl45_read(bp, phy,
  7733. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7734. &val1);
  7735. if (val1 & (1<<15)) {
  7736. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7737. link_up = 0;
  7738. vars->line_speed = 0;
  7739. }
  7740. }
  7741. return link_up;
  7742. }
  7743. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7744. struct link_params *params,
  7745. struct link_vars *vars)
  7746. {
  7747. struct bnx2x *bp = params->bp;
  7748. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7749. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7750. bnx2x_wait_reset_complete(bp, phy, params);
  7751. bnx2x_8726_external_rom_boot(phy, params);
  7752. /*
  7753. * Need to call module detected on initialization since the module
  7754. * detection triggered by actual module insertion might occur before
  7755. * driver is loaded, and when driver is loaded, it reset all
  7756. * registers, including the transmitter
  7757. */
  7758. bnx2x_sfp_module_detection(phy, params);
  7759. if (phy->req_line_speed == SPEED_1000) {
  7760. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7761. bnx2x_cl45_write(bp, phy,
  7762. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7763. bnx2x_cl45_write(bp, phy,
  7764. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7765. bnx2x_cl45_write(bp, phy,
  7766. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7767. bnx2x_cl45_write(bp, phy,
  7768. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7769. 0x400);
  7770. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7771. (phy->speed_cap_mask &
  7772. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7773. ((phy->speed_cap_mask &
  7774. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7775. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7776. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7777. /* Set Flow control */
  7778. bnx2x_ext_phy_set_pause(params, phy, vars);
  7779. bnx2x_cl45_write(bp, phy,
  7780. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7781. bnx2x_cl45_write(bp, phy,
  7782. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7783. bnx2x_cl45_write(bp, phy,
  7784. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7785. bnx2x_cl45_write(bp, phy,
  7786. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7787. bnx2x_cl45_write(bp, phy,
  7788. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7789. /*
  7790. * Enable RX-ALARM control to receive interrupt for 1G speed
  7791. * change
  7792. */
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7797. 0x400);
  7798. } else { /* Default 10G. Set only LASI control */
  7799. bnx2x_cl45_write(bp, phy,
  7800. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7801. }
  7802. /* Set TX PreEmphasis if needed */
  7803. if ((params->feature_config_flags &
  7804. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7805. DP(NETIF_MSG_LINK,
  7806. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7807. phy->tx_preemphasis[0],
  7808. phy->tx_preemphasis[1]);
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_PMA_DEVAD,
  7811. MDIO_PMA_REG_8726_TX_CTRL1,
  7812. phy->tx_preemphasis[0]);
  7813. bnx2x_cl45_write(bp, phy,
  7814. MDIO_PMA_DEVAD,
  7815. MDIO_PMA_REG_8726_TX_CTRL2,
  7816. phy->tx_preemphasis[1]);
  7817. }
  7818. return 0;
  7819. }
  7820. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7821. struct link_params *params)
  7822. {
  7823. struct bnx2x *bp = params->bp;
  7824. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7825. /* Set serial boot control for external load */
  7826. bnx2x_cl45_write(bp, phy,
  7827. MDIO_PMA_DEVAD,
  7828. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7829. }
  7830. /******************************************************************/
  7831. /* BCM8727 PHY SECTION */
  7832. /******************************************************************/
  7833. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7834. struct link_params *params, u8 mode)
  7835. {
  7836. struct bnx2x *bp = params->bp;
  7837. u16 led_mode_bitmask = 0;
  7838. u16 gpio_pins_bitmask = 0;
  7839. u16 val;
  7840. /* Only NOC flavor requires to set the LED specifically */
  7841. if (!(phy->flags & FLAGS_NOC))
  7842. return;
  7843. switch (mode) {
  7844. case LED_MODE_FRONT_PANEL_OFF:
  7845. case LED_MODE_OFF:
  7846. led_mode_bitmask = 0;
  7847. gpio_pins_bitmask = 0x03;
  7848. break;
  7849. case LED_MODE_ON:
  7850. led_mode_bitmask = 0;
  7851. gpio_pins_bitmask = 0x02;
  7852. break;
  7853. case LED_MODE_OPER:
  7854. led_mode_bitmask = 0x60;
  7855. gpio_pins_bitmask = 0x11;
  7856. break;
  7857. }
  7858. bnx2x_cl45_read(bp, phy,
  7859. MDIO_PMA_DEVAD,
  7860. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7861. &val);
  7862. val &= 0xff8f;
  7863. val |= led_mode_bitmask;
  7864. bnx2x_cl45_write(bp, phy,
  7865. MDIO_PMA_DEVAD,
  7866. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7867. val);
  7868. bnx2x_cl45_read(bp, phy,
  7869. MDIO_PMA_DEVAD,
  7870. MDIO_PMA_REG_8727_GPIO_CTRL,
  7871. &val);
  7872. val &= 0xffe0;
  7873. val |= gpio_pins_bitmask;
  7874. bnx2x_cl45_write(bp, phy,
  7875. MDIO_PMA_DEVAD,
  7876. MDIO_PMA_REG_8727_GPIO_CTRL,
  7877. val);
  7878. }
  7879. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7880. struct link_params *params) {
  7881. u32 swap_val, swap_override;
  7882. u8 port;
  7883. /*
  7884. * The PHY reset is controlled by GPIO 1. Fake the port number
  7885. * to cancel the swap done in set_gpio()
  7886. */
  7887. struct bnx2x *bp = params->bp;
  7888. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7889. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7890. port = (swap_val && swap_override) ^ 1;
  7891. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7892. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7893. }
  7894. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7895. struct link_params *params,
  7896. struct link_vars *vars)
  7897. {
  7898. u32 tx_en_mode;
  7899. u16 tmp1, val, mod_abs, tmp2;
  7900. u16 rx_alarm_ctrl_val;
  7901. u16 lasi_ctrl_val;
  7902. struct bnx2x *bp = params->bp;
  7903. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7904. bnx2x_wait_reset_complete(bp, phy, params);
  7905. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7906. /* Should be 0x6 to enable XS on Tx side. */
  7907. lasi_ctrl_val = 0x0006;
  7908. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7909. /* enable LASI */
  7910. bnx2x_cl45_write(bp, phy,
  7911. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7912. rx_alarm_ctrl_val);
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7915. 0);
  7916. bnx2x_cl45_write(bp, phy,
  7917. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7918. /*
  7919. * Initially configure MOD_ABS to interrupt when module is
  7920. * presence( bit 8)
  7921. */
  7922. bnx2x_cl45_read(bp, phy,
  7923. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7924. /*
  7925. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7926. * When the EDC is off it locks onto a reference clock and avoids
  7927. * becoming 'lost'
  7928. */
  7929. mod_abs &= ~(1<<8);
  7930. if (!(phy->flags & FLAGS_NOC))
  7931. mod_abs &= ~(1<<9);
  7932. bnx2x_cl45_write(bp, phy,
  7933. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7934. /* Enable/Disable PHY transmitter output */
  7935. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7936. /* Make MOD_ABS give interrupt on change */
  7937. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7938. &val);
  7939. val |= (1<<12);
  7940. if (phy->flags & FLAGS_NOC)
  7941. val |= (3<<5);
  7942. /*
  7943. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7944. * status which reflect SFP+ module over-current
  7945. */
  7946. if (!(phy->flags & FLAGS_NOC))
  7947. val &= 0xff8f; /* Reset bits 4-6 */
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7950. bnx2x_8727_power_module(bp, phy, 1);
  7951. bnx2x_cl45_read(bp, phy,
  7952. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7953. bnx2x_cl45_read(bp, phy,
  7954. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7955. /* Set option 1G speed */
  7956. if (phy->req_line_speed == SPEED_1000) {
  7957. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7958. bnx2x_cl45_write(bp, phy,
  7959. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7960. bnx2x_cl45_write(bp, phy,
  7961. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7962. bnx2x_cl45_read(bp, phy,
  7963. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7964. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7965. /*
  7966. * Power down the XAUI until link is up in case of dual-media
  7967. * and 1G
  7968. */
  7969. if (DUAL_MEDIA(params)) {
  7970. bnx2x_cl45_read(bp, phy,
  7971. MDIO_PMA_DEVAD,
  7972. MDIO_PMA_REG_8727_PCS_GP, &val);
  7973. val |= (3<<10);
  7974. bnx2x_cl45_write(bp, phy,
  7975. MDIO_PMA_DEVAD,
  7976. MDIO_PMA_REG_8727_PCS_GP, val);
  7977. }
  7978. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7979. ((phy->speed_cap_mask &
  7980. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7981. ((phy->speed_cap_mask &
  7982. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7983. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7984. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7989. } else {
  7990. /*
  7991. * Since the 8727 has only single reset pin, need to set the 10G
  7992. * registers although it is default
  7993. */
  7994. bnx2x_cl45_write(bp, phy,
  7995. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7996. 0x0020);
  7997. bnx2x_cl45_write(bp, phy,
  7998. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7999. bnx2x_cl45_write(bp, phy,
  8000. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8001. bnx2x_cl45_write(bp, phy,
  8002. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8003. 0x0008);
  8004. }
  8005. /*
  8006. * Set 2-wire transfer rate of SFP+ module EEPROM
  8007. * to 100Khz since some DACs(direct attached cables) do
  8008. * not work at 400Khz.
  8009. */
  8010. bnx2x_cl45_write(bp, phy,
  8011. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  8012. 0xa001);
  8013. /* Set TX PreEmphasis if needed */
  8014. if ((params->feature_config_flags &
  8015. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8016. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8017. phy->tx_preemphasis[0],
  8018. phy->tx_preemphasis[1]);
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8021. phy->tx_preemphasis[0]);
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8024. phy->tx_preemphasis[1]);
  8025. }
  8026. /*
  8027. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8028. * power mode, if TX Laser is disabled
  8029. */
  8030. tx_en_mode = REG_RD(bp, params->shmem_base +
  8031. offsetof(struct shmem_region,
  8032. dev_info.port_hw_config[params->port].sfp_ctrl))
  8033. & PORT_HW_CFG_TX_LASER_MASK;
  8034. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8035. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8036. bnx2x_cl45_read(bp, phy,
  8037. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8038. tmp2 |= 0x1000;
  8039. tmp2 &= 0xFFEF;
  8040. bnx2x_cl45_write(bp, phy,
  8041. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8042. }
  8043. return 0;
  8044. }
  8045. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8046. struct link_params *params)
  8047. {
  8048. struct bnx2x *bp = params->bp;
  8049. u16 mod_abs, rx_alarm_status;
  8050. u32 val = REG_RD(bp, params->shmem_base +
  8051. offsetof(struct shmem_region, dev_info.
  8052. port_feature_config[params->port].
  8053. config));
  8054. bnx2x_cl45_read(bp, phy,
  8055. MDIO_PMA_DEVAD,
  8056. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8057. if (mod_abs & (1<<8)) {
  8058. /* Module is absent */
  8059. DP(NETIF_MSG_LINK,
  8060. "MOD_ABS indication show module is absent\n");
  8061. phy->media_type = ETH_PHY_NOT_PRESENT;
  8062. /*
  8063. * 1. Set mod_abs to detect next module
  8064. * presence event
  8065. * 2. Set EDC off by setting OPTXLOS signal input to low
  8066. * (bit 9).
  8067. * When the EDC is off it locks onto a reference clock and
  8068. * avoids becoming 'lost'.
  8069. */
  8070. mod_abs &= ~(1<<8);
  8071. if (!(phy->flags & FLAGS_NOC))
  8072. mod_abs &= ~(1<<9);
  8073. bnx2x_cl45_write(bp, phy,
  8074. MDIO_PMA_DEVAD,
  8075. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8076. /*
  8077. * Clear RX alarm since it stays up as long as
  8078. * the mod_abs wasn't changed
  8079. */
  8080. bnx2x_cl45_read(bp, phy,
  8081. MDIO_PMA_DEVAD,
  8082. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8083. } else {
  8084. /* Module is present */
  8085. DP(NETIF_MSG_LINK,
  8086. "MOD_ABS indication show module is present\n");
  8087. /*
  8088. * First disable transmitter, and if the module is ok, the
  8089. * module_detection will enable it
  8090. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8091. * 2. Restore the default polarity of the OPRXLOS signal and
  8092. * this signal will then correctly indicate the presence or
  8093. * absence of the Rx signal. (bit 9)
  8094. */
  8095. mod_abs |= (1<<8);
  8096. if (!(phy->flags & FLAGS_NOC))
  8097. mod_abs |= (1<<9);
  8098. bnx2x_cl45_write(bp, phy,
  8099. MDIO_PMA_DEVAD,
  8100. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8101. /*
  8102. * Clear RX alarm since it stays up as long as the mod_abs
  8103. * wasn't changed. This is need to be done before calling the
  8104. * module detection, otherwise it will clear* the link update
  8105. * alarm
  8106. */
  8107. bnx2x_cl45_read(bp, phy,
  8108. MDIO_PMA_DEVAD,
  8109. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8110. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8111. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8112. bnx2x_sfp_set_transmitter(params, phy, 0);
  8113. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8114. bnx2x_sfp_module_detection(phy, params);
  8115. else
  8116. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8117. }
  8118. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8119. rx_alarm_status);
  8120. /* No need to check link status in case of module plugged in/out */
  8121. }
  8122. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8123. struct link_params *params,
  8124. struct link_vars *vars)
  8125. {
  8126. struct bnx2x *bp = params->bp;
  8127. u8 link_up = 0, oc_port = params->port;
  8128. u16 link_status = 0;
  8129. u16 rx_alarm_status, lasi_ctrl, val1;
  8130. /* If PHY is not initialized, do not check link status */
  8131. bnx2x_cl45_read(bp, phy,
  8132. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8133. &lasi_ctrl);
  8134. if (!lasi_ctrl)
  8135. return 0;
  8136. /* Check the LASI on Rx */
  8137. bnx2x_cl45_read(bp, phy,
  8138. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8139. &rx_alarm_status);
  8140. vars->line_speed = 0;
  8141. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8142. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8143. MDIO_PMA_LASI_TXCTRL);
  8144. bnx2x_cl45_read(bp, phy,
  8145. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8146. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8147. /* Clear MSG-OUT */
  8148. bnx2x_cl45_read(bp, phy,
  8149. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8150. /*
  8151. * If a module is present and there is need to check
  8152. * for over current
  8153. */
  8154. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8155. /* Check over-current using 8727 GPIO0 input*/
  8156. bnx2x_cl45_read(bp, phy,
  8157. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8158. &val1);
  8159. if ((val1 & (1<<8)) == 0) {
  8160. if (!CHIP_IS_E1x(bp))
  8161. oc_port = BP_PATH(bp) + (params->port << 1);
  8162. DP(NETIF_MSG_LINK,
  8163. "8727 Power fault has been detected on port %d\n",
  8164. oc_port);
  8165. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8166. "been detected and the power to "
  8167. "that SFP+ module has been removed "
  8168. "to prevent failure of the card. "
  8169. "Please remove the SFP+ module and "
  8170. "restart the system to clear this "
  8171. "error.\n",
  8172. oc_port);
  8173. /* Disable all RX_ALARMs except for mod_abs */
  8174. bnx2x_cl45_write(bp, phy,
  8175. MDIO_PMA_DEVAD,
  8176. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8177. bnx2x_cl45_read(bp, phy,
  8178. MDIO_PMA_DEVAD,
  8179. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8180. /* Wait for module_absent_event */
  8181. val1 |= (1<<8);
  8182. bnx2x_cl45_write(bp, phy,
  8183. MDIO_PMA_DEVAD,
  8184. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8185. /* Clear RX alarm */
  8186. bnx2x_cl45_read(bp, phy,
  8187. MDIO_PMA_DEVAD,
  8188. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8189. return 0;
  8190. }
  8191. } /* Over current check */
  8192. /* When module absent bit is set, check module */
  8193. if (rx_alarm_status & (1<<5)) {
  8194. bnx2x_8727_handle_mod_abs(phy, params);
  8195. /* Enable all mod_abs and link detection bits */
  8196. bnx2x_cl45_write(bp, phy,
  8197. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8198. ((1<<5) | (1<<2)));
  8199. }
  8200. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8201. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8202. /* If transmitter is disabled, ignore false link up indication */
  8203. bnx2x_cl45_read(bp, phy,
  8204. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8205. if (val1 & (1<<15)) {
  8206. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8207. return 0;
  8208. }
  8209. bnx2x_cl45_read(bp, phy,
  8210. MDIO_PMA_DEVAD,
  8211. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8212. /*
  8213. * Bits 0..2 --> speed detected,
  8214. * Bits 13..15--> link is down
  8215. */
  8216. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8217. link_up = 1;
  8218. vars->line_speed = SPEED_10000;
  8219. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8220. params->port);
  8221. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8222. link_up = 1;
  8223. vars->line_speed = SPEED_1000;
  8224. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8225. params->port);
  8226. } else {
  8227. link_up = 0;
  8228. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8229. params->port);
  8230. }
  8231. /* Capture 10G link fault. */
  8232. if (vars->line_speed == SPEED_10000) {
  8233. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8234. MDIO_PMA_LASI_TXSTAT, &val1);
  8235. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8236. MDIO_PMA_LASI_TXSTAT, &val1);
  8237. if (val1 & (1<<0)) {
  8238. vars->fault_detected = 1;
  8239. }
  8240. }
  8241. if (link_up) {
  8242. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8243. vars->duplex = DUPLEX_FULL;
  8244. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8245. }
  8246. if ((DUAL_MEDIA(params)) &&
  8247. (phy->req_line_speed == SPEED_1000)) {
  8248. bnx2x_cl45_read(bp, phy,
  8249. MDIO_PMA_DEVAD,
  8250. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8251. /*
  8252. * In case of dual-media board and 1G, power up the XAUI side,
  8253. * otherwise power it down. For 10G it is done automatically
  8254. */
  8255. if (link_up)
  8256. val1 &= ~(3<<10);
  8257. else
  8258. val1 |= (3<<10);
  8259. bnx2x_cl45_write(bp, phy,
  8260. MDIO_PMA_DEVAD,
  8261. MDIO_PMA_REG_8727_PCS_GP, val1);
  8262. }
  8263. return link_up;
  8264. }
  8265. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8266. struct link_params *params)
  8267. {
  8268. struct bnx2x *bp = params->bp;
  8269. /* Enable/Disable PHY transmitter output */
  8270. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8271. /* Disable Transmitter */
  8272. bnx2x_sfp_set_transmitter(params, phy, 0);
  8273. /* Clear LASI */
  8274. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8275. }
  8276. /******************************************************************/
  8277. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8278. /******************************************************************/
  8279. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8280. struct bnx2x *bp,
  8281. u8 port)
  8282. {
  8283. u16 val, fw_ver1, fw_ver2, cnt;
  8284. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8285. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8286. bnx2x_save_spirom_version(bp, port,
  8287. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8288. phy->ver_addr);
  8289. } else {
  8290. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8291. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8292. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8293. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8294. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8295. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8296. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8297. for (cnt = 0; cnt < 100; cnt++) {
  8298. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8299. if (val & 1)
  8300. break;
  8301. udelay(5);
  8302. }
  8303. if (cnt == 100) {
  8304. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8305. "phy fw version(1)\n");
  8306. bnx2x_save_spirom_version(bp, port, 0,
  8307. phy->ver_addr);
  8308. return;
  8309. }
  8310. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8311. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8312. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8313. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8314. for (cnt = 0; cnt < 100; cnt++) {
  8315. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8316. if (val & 1)
  8317. break;
  8318. udelay(5);
  8319. }
  8320. if (cnt == 100) {
  8321. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8322. "version(2)\n");
  8323. bnx2x_save_spirom_version(bp, port, 0,
  8324. phy->ver_addr);
  8325. return;
  8326. }
  8327. /* lower 16 bits of the register SPI_FW_STATUS */
  8328. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8329. /* upper 16 bits of register SPI_FW_STATUS */
  8330. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8331. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8332. phy->ver_addr);
  8333. }
  8334. }
  8335. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8336. struct bnx2x_phy *phy)
  8337. {
  8338. u16 val, offset;
  8339. /* PHYC_CTL_LED_CTL */
  8340. bnx2x_cl45_read(bp, phy,
  8341. MDIO_PMA_DEVAD,
  8342. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8343. val &= 0xFE00;
  8344. val |= 0x0092;
  8345. bnx2x_cl45_write(bp, phy,
  8346. MDIO_PMA_DEVAD,
  8347. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8348. bnx2x_cl45_write(bp, phy,
  8349. MDIO_PMA_DEVAD,
  8350. MDIO_PMA_REG_8481_LED1_MASK,
  8351. 0x80);
  8352. bnx2x_cl45_write(bp, phy,
  8353. MDIO_PMA_DEVAD,
  8354. MDIO_PMA_REG_8481_LED2_MASK,
  8355. 0x18);
  8356. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_PMA_DEVAD,
  8359. MDIO_PMA_REG_8481_LED3_MASK,
  8360. 0x0006);
  8361. /* Select the closest activity blink rate to that in 10/100/1000 */
  8362. bnx2x_cl45_write(bp, phy,
  8363. MDIO_PMA_DEVAD,
  8364. MDIO_PMA_REG_8481_LED3_BLINK,
  8365. 0);
  8366. /* Configure the blink rate to ~15.9 Hz */
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_PMA_DEVAD,
  8369. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8370. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8371. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8372. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8373. else
  8374. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8375. bnx2x_cl45_read(bp, phy,
  8376. MDIO_PMA_DEVAD, offset, &val);
  8377. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8378. bnx2x_cl45_write(bp, phy,
  8379. MDIO_PMA_DEVAD, offset, val);
  8380. /* 'Interrupt Mask' */
  8381. bnx2x_cl45_write(bp, phy,
  8382. MDIO_AN_DEVAD,
  8383. 0xFFFB, 0xFFFD);
  8384. }
  8385. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8386. struct link_params *params,
  8387. struct link_vars *vars)
  8388. {
  8389. struct bnx2x *bp = params->bp;
  8390. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8391. u16 tmp_req_line_speed;
  8392. tmp_req_line_speed = phy->req_line_speed;
  8393. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8394. if (phy->req_line_speed == SPEED_10000)
  8395. phy->req_line_speed = SPEED_AUTO_NEG;
  8396. } else {
  8397. /* Save spirom version */
  8398. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8399. }
  8400. /*
  8401. * This phy uses the NIG latch mechanism since link indication
  8402. * arrives through its LED4 and not via its LASI signal, so we
  8403. * get steady signal instead of clear on read
  8404. */
  8405. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8406. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8407. bnx2x_cl45_write(bp, phy,
  8408. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8409. bnx2x_848xx_set_led(bp, phy);
  8410. /* set 1000 speed advertisement */
  8411. bnx2x_cl45_read(bp, phy,
  8412. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8413. &an_1000_val);
  8414. bnx2x_ext_phy_set_pause(params, phy, vars);
  8415. bnx2x_cl45_read(bp, phy,
  8416. MDIO_AN_DEVAD,
  8417. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8418. &an_10_100_val);
  8419. bnx2x_cl45_read(bp, phy,
  8420. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8421. &autoneg_val);
  8422. /* Disable forced speed */
  8423. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8424. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8425. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8426. (phy->speed_cap_mask &
  8427. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8428. (phy->req_line_speed == SPEED_1000)) {
  8429. an_1000_val |= (1<<8);
  8430. autoneg_val |= (1<<9 | 1<<12);
  8431. if (phy->req_duplex == DUPLEX_FULL)
  8432. an_1000_val |= (1<<9);
  8433. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8434. } else
  8435. an_1000_val &= ~((1<<8) | (1<<9));
  8436. bnx2x_cl45_write(bp, phy,
  8437. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8438. an_1000_val);
  8439. /* set 100 speed advertisement */
  8440. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8441. (phy->speed_cap_mask &
  8442. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8443. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8444. an_10_100_val |= (1<<7);
  8445. /* Enable autoneg and restart autoneg for legacy speeds */
  8446. autoneg_val |= (1<<9 | 1<<12);
  8447. if (phy->req_duplex == DUPLEX_FULL)
  8448. an_10_100_val |= (1<<8);
  8449. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8450. }
  8451. /* set 10 speed advertisement */
  8452. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8453. (phy->speed_cap_mask &
  8454. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8455. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8456. (phy->supported &
  8457. (SUPPORTED_10baseT_Half |
  8458. SUPPORTED_10baseT_Full)))) {
  8459. an_10_100_val |= (1<<5);
  8460. autoneg_val |= (1<<9 | 1<<12);
  8461. if (phy->req_duplex == DUPLEX_FULL)
  8462. an_10_100_val |= (1<<6);
  8463. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8464. }
  8465. /* Only 10/100 are allowed to work in FORCE mode */
  8466. if ((phy->req_line_speed == SPEED_100) &&
  8467. (phy->supported &
  8468. (SUPPORTED_100baseT_Half |
  8469. SUPPORTED_100baseT_Full))) {
  8470. autoneg_val |= (1<<13);
  8471. /* Enabled AUTO-MDIX when autoneg is disabled */
  8472. bnx2x_cl45_write(bp, phy,
  8473. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8474. (1<<15 | 1<<9 | 7<<0));
  8475. /* The PHY needs this set even for forced link. */
  8476. an_10_100_val |= (1<<8) | (1<<7);
  8477. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8478. }
  8479. if ((phy->req_line_speed == SPEED_10) &&
  8480. (phy->supported &
  8481. (SUPPORTED_10baseT_Half |
  8482. SUPPORTED_10baseT_Full))) {
  8483. /* Enabled AUTO-MDIX when autoneg is disabled */
  8484. bnx2x_cl45_write(bp, phy,
  8485. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8486. (1<<15 | 1<<9 | 7<<0));
  8487. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8488. }
  8489. bnx2x_cl45_write(bp, phy,
  8490. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8491. an_10_100_val);
  8492. if (phy->req_duplex == DUPLEX_FULL)
  8493. autoneg_val |= (1<<8);
  8494. /*
  8495. * Always write this if this is not 84833.
  8496. * For 84833, write it only when it's a forced speed.
  8497. */
  8498. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8499. ((autoneg_val & (1<<12)) == 0))
  8500. bnx2x_cl45_write(bp, phy,
  8501. MDIO_AN_DEVAD,
  8502. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8503. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8504. (phy->speed_cap_mask &
  8505. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8506. (phy->req_line_speed == SPEED_10000)) {
  8507. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8508. /* Restart autoneg for 10G*/
  8509. bnx2x_cl45_read(bp, phy,
  8510. MDIO_AN_DEVAD,
  8511. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8512. &an_10g_val);
  8513. bnx2x_cl45_write(bp, phy,
  8514. MDIO_AN_DEVAD,
  8515. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8516. an_10g_val | 0x1000);
  8517. bnx2x_cl45_write(bp, phy,
  8518. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8519. 0x3200);
  8520. } else
  8521. bnx2x_cl45_write(bp, phy,
  8522. MDIO_AN_DEVAD,
  8523. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8524. 1);
  8525. phy->req_line_speed = tmp_req_line_speed;
  8526. return 0;
  8527. }
  8528. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8529. struct link_params *params,
  8530. struct link_vars *vars)
  8531. {
  8532. struct bnx2x *bp = params->bp;
  8533. /* Restore normal power mode*/
  8534. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8535. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8536. /* HW reset */
  8537. bnx2x_ext_phy_hw_reset(bp, params->port);
  8538. bnx2x_wait_reset_complete(bp, phy, params);
  8539. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8540. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8541. }
  8542. #define PHY84833_CMDHDLR_WAIT 300
  8543. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8544. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8545. struct link_params *params,
  8546. u16 fw_cmd,
  8547. u16 cmd_args[])
  8548. {
  8549. u32 idx;
  8550. u16 val;
  8551. struct bnx2x *bp = params->bp;
  8552. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8553. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8554. MDIO_84833_CMD_HDLR_STATUS,
  8555. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8556. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8557. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8558. MDIO_84833_CMD_HDLR_STATUS, &val);
  8559. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8560. break;
  8561. msleep(1);
  8562. }
  8563. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8564. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8565. return -EINVAL;
  8566. }
  8567. /* Prepare argument(s) and issue command */
  8568. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8569. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8570. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8571. cmd_args[idx]);
  8572. }
  8573. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8574. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8575. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8576. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8577. MDIO_84833_CMD_HDLR_STATUS, &val);
  8578. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8579. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8580. break;
  8581. msleep(1);
  8582. }
  8583. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8584. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8585. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8586. return -EINVAL;
  8587. }
  8588. /* Gather returning data */
  8589. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8590. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8591. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8592. &cmd_args[idx]);
  8593. }
  8594. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8595. MDIO_84833_CMD_HDLR_STATUS,
  8596. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8597. return 0;
  8598. }
  8599. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8600. struct link_params *params,
  8601. struct link_vars *vars)
  8602. {
  8603. u32 pair_swap;
  8604. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8605. int status;
  8606. struct bnx2x *bp = params->bp;
  8607. /* Check for configuration. */
  8608. pair_swap = REG_RD(bp, params->shmem_base +
  8609. offsetof(struct shmem_region,
  8610. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8611. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8612. if (pair_swap == 0)
  8613. return 0;
  8614. /* Only the second argument is used for this command */
  8615. data[1] = (u16)pair_swap;
  8616. status = bnx2x_84833_cmd_hdlr(phy, params,
  8617. PHY84833_CMD_SET_PAIR_SWAP, data);
  8618. if (status == 0)
  8619. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8620. return status;
  8621. }
  8622. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8623. u32 shmem_base_path[],
  8624. u32 chip_id)
  8625. {
  8626. u32 reset_pin[2];
  8627. u32 idx;
  8628. u8 reset_gpios;
  8629. if (CHIP_IS_E3(bp)) {
  8630. /* Assume that these will be GPIOs, not EPIOs. */
  8631. for (idx = 0; idx < 2; idx++) {
  8632. /* Map config param to register bit. */
  8633. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8634. offsetof(struct shmem_region,
  8635. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8636. reset_pin[idx] = (reset_pin[idx] &
  8637. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8638. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8639. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8640. reset_pin[idx] = (1 << reset_pin[idx]);
  8641. }
  8642. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8643. } else {
  8644. /* E2, look from diff place of shmem. */
  8645. for (idx = 0; idx < 2; idx++) {
  8646. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8647. offsetof(struct shmem_region,
  8648. dev_info.port_hw_config[0].default_cfg));
  8649. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8650. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8651. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8652. reset_pin[idx] = (1 << reset_pin[idx]);
  8653. }
  8654. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8655. }
  8656. return reset_gpios;
  8657. }
  8658. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8659. struct link_params *params)
  8660. {
  8661. struct bnx2x *bp = params->bp;
  8662. u8 reset_gpios;
  8663. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8664. offsetof(struct shmem2_region,
  8665. other_shmem_base_addr));
  8666. u32 shmem_base_path[2];
  8667. shmem_base_path[0] = params->shmem_base;
  8668. shmem_base_path[1] = other_shmem_base_addr;
  8669. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8670. params->chip_id);
  8671. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8672. udelay(10);
  8673. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8674. reset_gpios);
  8675. return 0;
  8676. }
  8677. #define PHY84833_CONSTANT_LATENCY 1193
  8678. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8679. struct link_params *params,
  8680. struct link_vars *vars)
  8681. {
  8682. struct bnx2x *bp = params->bp;
  8683. u8 port, initialize = 1;
  8684. u16 val;
  8685. u32 actual_phy_selection, cms_enable;
  8686. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8687. int rc = 0;
  8688. msleep(1);
  8689. if (!(CHIP_IS_E1(bp)))
  8690. port = BP_PATH(bp);
  8691. else
  8692. port = params->port;
  8693. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8694. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8695. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8696. port);
  8697. } else {
  8698. /* MDIO reset */
  8699. bnx2x_cl45_write(bp, phy,
  8700. MDIO_PMA_DEVAD,
  8701. MDIO_PMA_REG_CTRL, 0x8000);
  8702. }
  8703. bnx2x_wait_reset_complete(bp, phy, params);
  8704. /* Wait for GPHY to come out of reset */
  8705. msleep(50);
  8706. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8707. /*
  8708. * BCM84823 requires that XGXS links up first @ 10G for normal
  8709. * behavior.
  8710. */
  8711. u16 temp;
  8712. temp = vars->line_speed;
  8713. vars->line_speed = SPEED_10000;
  8714. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8715. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8716. vars->line_speed = temp;
  8717. }
  8718. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8719. MDIO_CTL_REG_84823_MEDIA, &val);
  8720. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8721. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8722. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8723. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8724. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8725. if (CHIP_IS_E3(bp)) {
  8726. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8727. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8728. } else {
  8729. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8730. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8731. }
  8732. actual_phy_selection = bnx2x_phy_selection(params);
  8733. switch (actual_phy_selection) {
  8734. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8735. /* Do nothing. Essentially this is like the priority copper */
  8736. break;
  8737. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8738. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8739. break;
  8740. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8741. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8742. break;
  8743. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8744. /* Do nothing here. The first PHY won't be initialized at all */
  8745. break;
  8746. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8747. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8748. initialize = 0;
  8749. break;
  8750. }
  8751. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8752. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8753. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8754. MDIO_CTL_REG_84823_MEDIA, val);
  8755. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8756. params->multi_phy_config, val);
  8757. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8758. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8759. /* Keep AutogrEEEn disabled. */
  8760. cmd_args[0] = 0x0;
  8761. cmd_args[1] = 0x0;
  8762. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8763. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8764. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8765. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8766. if (rc != 0)
  8767. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8768. }
  8769. if (initialize)
  8770. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8771. else
  8772. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8773. /* 84833 PHY has a better feature and doesn't need to support this. */
  8774. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8775. cms_enable = REG_RD(bp, params->shmem_base +
  8776. offsetof(struct shmem_region,
  8777. dev_info.port_hw_config[params->port].default_cfg)) &
  8778. PORT_HW_CFG_ENABLE_CMS_MASK;
  8779. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8780. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8781. if (cms_enable)
  8782. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8783. else
  8784. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8785. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8786. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8787. }
  8788. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8789. /* Bring PHY out of super isolate mode as the final step. */
  8790. bnx2x_cl45_read(bp, phy,
  8791. MDIO_CTL_DEVAD,
  8792. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8793. val &= ~MDIO_84833_SUPER_ISOLATE;
  8794. bnx2x_cl45_write(bp, phy,
  8795. MDIO_CTL_DEVAD,
  8796. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8797. }
  8798. return rc;
  8799. }
  8800. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8801. struct link_params *params,
  8802. struct link_vars *vars)
  8803. {
  8804. struct bnx2x *bp = params->bp;
  8805. u16 val, val1, val2;
  8806. u8 link_up = 0;
  8807. /* Check 10G-BaseT link status */
  8808. /* Check PMD signal ok */
  8809. bnx2x_cl45_read(bp, phy,
  8810. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8811. bnx2x_cl45_read(bp, phy,
  8812. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8813. &val2);
  8814. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8815. /* Check link 10G */
  8816. if (val2 & (1<<11)) {
  8817. vars->line_speed = SPEED_10000;
  8818. vars->duplex = DUPLEX_FULL;
  8819. link_up = 1;
  8820. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8821. } else { /* Check Legacy speed link */
  8822. u16 legacy_status, legacy_speed;
  8823. /* Enable expansion register 0x42 (Operation mode status) */
  8824. bnx2x_cl45_write(bp, phy,
  8825. MDIO_AN_DEVAD,
  8826. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8827. /* Get legacy speed operation status */
  8828. bnx2x_cl45_read(bp, phy,
  8829. MDIO_AN_DEVAD,
  8830. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8831. &legacy_status);
  8832. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8833. legacy_status);
  8834. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8835. if (link_up) {
  8836. legacy_speed = (legacy_status & (3<<9));
  8837. if (legacy_speed == (0<<9))
  8838. vars->line_speed = SPEED_10;
  8839. else if (legacy_speed == (1<<9))
  8840. vars->line_speed = SPEED_100;
  8841. else if (legacy_speed == (2<<9))
  8842. vars->line_speed = SPEED_1000;
  8843. else /* Should not happen */
  8844. vars->line_speed = 0;
  8845. if (legacy_status & (1<<8))
  8846. vars->duplex = DUPLEX_FULL;
  8847. else
  8848. vars->duplex = DUPLEX_HALF;
  8849. DP(NETIF_MSG_LINK,
  8850. "Link is up in %dMbps, is_duplex_full= %d\n",
  8851. vars->line_speed,
  8852. (vars->duplex == DUPLEX_FULL));
  8853. /* Check legacy speed AN resolution */
  8854. bnx2x_cl45_read(bp, phy,
  8855. MDIO_AN_DEVAD,
  8856. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8857. &val);
  8858. if (val & (1<<5))
  8859. vars->link_status |=
  8860. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8861. bnx2x_cl45_read(bp, phy,
  8862. MDIO_AN_DEVAD,
  8863. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8864. &val);
  8865. if ((val & (1<<0)) == 0)
  8866. vars->link_status |=
  8867. LINK_STATUS_PARALLEL_DETECTION_USED;
  8868. }
  8869. }
  8870. if (link_up) {
  8871. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8872. vars->line_speed);
  8873. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8874. /* Read LP advertised speeds */
  8875. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8876. MDIO_AN_REG_CL37_FC_LP, &val);
  8877. if (val & (1<<5))
  8878. vars->link_status |=
  8879. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8880. if (val & (1<<6))
  8881. vars->link_status |=
  8882. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8883. if (val & (1<<7))
  8884. vars->link_status |=
  8885. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8886. if (val & (1<<8))
  8887. vars->link_status |=
  8888. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8889. if (val & (1<<9))
  8890. vars->link_status |=
  8891. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8892. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8893. MDIO_AN_REG_1000T_STATUS, &val);
  8894. if (val & (1<<10))
  8895. vars->link_status |=
  8896. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8897. if (val & (1<<11))
  8898. vars->link_status |=
  8899. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8900. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8901. MDIO_AN_REG_MASTER_STATUS, &val);
  8902. if (val & (1<<11))
  8903. vars->link_status |=
  8904. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8905. }
  8906. return link_up;
  8907. }
  8908. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8909. {
  8910. int status = 0;
  8911. u32 spirom_ver;
  8912. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8913. status = bnx2x_format_ver(spirom_ver, str, len);
  8914. return status;
  8915. }
  8916. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8917. struct link_params *params)
  8918. {
  8919. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8920. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8921. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8922. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8923. }
  8924. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8925. struct link_params *params)
  8926. {
  8927. bnx2x_cl45_write(params->bp, phy,
  8928. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8929. bnx2x_cl45_write(params->bp, phy,
  8930. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8931. }
  8932. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8933. struct link_params *params)
  8934. {
  8935. struct bnx2x *bp = params->bp;
  8936. u8 port;
  8937. u16 val16;
  8938. if (!(CHIP_IS_E1(bp)))
  8939. port = BP_PATH(bp);
  8940. else
  8941. port = params->port;
  8942. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8943. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8944. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8945. port);
  8946. } else {
  8947. bnx2x_cl45_read(bp, phy,
  8948. MDIO_CTL_DEVAD,
  8949. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8950. val16 |= MDIO_84833_SUPER_ISOLATE;
  8951. bnx2x_cl45_write(bp, phy,
  8952. MDIO_CTL_DEVAD,
  8953. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8954. }
  8955. }
  8956. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8957. struct link_params *params, u8 mode)
  8958. {
  8959. struct bnx2x *bp = params->bp;
  8960. u16 val;
  8961. u8 port;
  8962. if (!(CHIP_IS_E1(bp)))
  8963. port = BP_PATH(bp);
  8964. else
  8965. port = params->port;
  8966. switch (mode) {
  8967. case LED_MODE_OFF:
  8968. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8969. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8970. SHARED_HW_CFG_LED_EXTPHY1) {
  8971. /* Set LED masks */
  8972. bnx2x_cl45_write(bp, phy,
  8973. MDIO_PMA_DEVAD,
  8974. MDIO_PMA_REG_8481_LED1_MASK,
  8975. 0x0);
  8976. bnx2x_cl45_write(bp, phy,
  8977. MDIO_PMA_DEVAD,
  8978. MDIO_PMA_REG_8481_LED2_MASK,
  8979. 0x0);
  8980. bnx2x_cl45_write(bp, phy,
  8981. MDIO_PMA_DEVAD,
  8982. MDIO_PMA_REG_8481_LED3_MASK,
  8983. 0x0);
  8984. bnx2x_cl45_write(bp, phy,
  8985. MDIO_PMA_DEVAD,
  8986. MDIO_PMA_REG_8481_LED5_MASK,
  8987. 0x0);
  8988. } else {
  8989. bnx2x_cl45_write(bp, phy,
  8990. MDIO_PMA_DEVAD,
  8991. MDIO_PMA_REG_8481_LED1_MASK,
  8992. 0x0);
  8993. }
  8994. break;
  8995. case LED_MODE_FRONT_PANEL_OFF:
  8996. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8997. port);
  8998. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8999. SHARED_HW_CFG_LED_EXTPHY1) {
  9000. /* Set LED masks */
  9001. bnx2x_cl45_write(bp, phy,
  9002. MDIO_PMA_DEVAD,
  9003. MDIO_PMA_REG_8481_LED1_MASK,
  9004. 0x0);
  9005. bnx2x_cl45_write(bp, phy,
  9006. MDIO_PMA_DEVAD,
  9007. MDIO_PMA_REG_8481_LED2_MASK,
  9008. 0x0);
  9009. bnx2x_cl45_write(bp, phy,
  9010. MDIO_PMA_DEVAD,
  9011. MDIO_PMA_REG_8481_LED3_MASK,
  9012. 0x0);
  9013. bnx2x_cl45_write(bp, phy,
  9014. MDIO_PMA_DEVAD,
  9015. MDIO_PMA_REG_8481_LED5_MASK,
  9016. 0x20);
  9017. } else {
  9018. bnx2x_cl45_write(bp, phy,
  9019. MDIO_PMA_DEVAD,
  9020. MDIO_PMA_REG_8481_LED1_MASK,
  9021. 0x0);
  9022. }
  9023. break;
  9024. case LED_MODE_ON:
  9025. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9026. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9027. SHARED_HW_CFG_LED_EXTPHY1) {
  9028. /* Set control reg */
  9029. bnx2x_cl45_read(bp, phy,
  9030. MDIO_PMA_DEVAD,
  9031. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9032. &val);
  9033. val &= 0x8000;
  9034. val |= 0x2492;
  9035. bnx2x_cl45_write(bp, phy,
  9036. MDIO_PMA_DEVAD,
  9037. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9038. val);
  9039. /* Set LED masks */
  9040. bnx2x_cl45_write(bp, phy,
  9041. MDIO_PMA_DEVAD,
  9042. MDIO_PMA_REG_8481_LED1_MASK,
  9043. 0x0);
  9044. bnx2x_cl45_write(bp, phy,
  9045. MDIO_PMA_DEVAD,
  9046. MDIO_PMA_REG_8481_LED2_MASK,
  9047. 0x20);
  9048. bnx2x_cl45_write(bp, phy,
  9049. MDIO_PMA_DEVAD,
  9050. MDIO_PMA_REG_8481_LED3_MASK,
  9051. 0x20);
  9052. bnx2x_cl45_write(bp, phy,
  9053. MDIO_PMA_DEVAD,
  9054. MDIO_PMA_REG_8481_LED5_MASK,
  9055. 0x0);
  9056. } else {
  9057. bnx2x_cl45_write(bp, phy,
  9058. MDIO_PMA_DEVAD,
  9059. MDIO_PMA_REG_8481_LED1_MASK,
  9060. 0x20);
  9061. }
  9062. break;
  9063. case LED_MODE_OPER:
  9064. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9065. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9066. SHARED_HW_CFG_LED_EXTPHY1) {
  9067. /* Set control reg */
  9068. bnx2x_cl45_read(bp, phy,
  9069. MDIO_PMA_DEVAD,
  9070. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9071. &val);
  9072. if (!((val &
  9073. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9074. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9075. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9076. bnx2x_cl45_write(bp, phy,
  9077. MDIO_PMA_DEVAD,
  9078. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9079. 0xa492);
  9080. }
  9081. /* Set LED masks */
  9082. bnx2x_cl45_write(bp, phy,
  9083. MDIO_PMA_DEVAD,
  9084. MDIO_PMA_REG_8481_LED1_MASK,
  9085. 0x10);
  9086. bnx2x_cl45_write(bp, phy,
  9087. MDIO_PMA_DEVAD,
  9088. MDIO_PMA_REG_8481_LED2_MASK,
  9089. 0x80);
  9090. bnx2x_cl45_write(bp, phy,
  9091. MDIO_PMA_DEVAD,
  9092. MDIO_PMA_REG_8481_LED3_MASK,
  9093. 0x98);
  9094. bnx2x_cl45_write(bp, phy,
  9095. MDIO_PMA_DEVAD,
  9096. MDIO_PMA_REG_8481_LED5_MASK,
  9097. 0x40);
  9098. } else {
  9099. bnx2x_cl45_write(bp, phy,
  9100. MDIO_PMA_DEVAD,
  9101. MDIO_PMA_REG_8481_LED1_MASK,
  9102. 0x80);
  9103. /* Tell LED3 to blink on source */
  9104. bnx2x_cl45_read(bp, phy,
  9105. MDIO_PMA_DEVAD,
  9106. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9107. &val);
  9108. val &= ~(7<<6);
  9109. val |= (1<<6); /* A83B[8:6]= 1 */
  9110. bnx2x_cl45_write(bp, phy,
  9111. MDIO_PMA_DEVAD,
  9112. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9113. val);
  9114. }
  9115. break;
  9116. }
  9117. /*
  9118. * This is a workaround for E3+84833 until autoneg
  9119. * restart is fixed in f/w
  9120. */
  9121. if (CHIP_IS_E3(bp)) {
  9122. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9123. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9124. }
  9125. }
  9126. /******************************************************************/
  9127. /* 54618SE PHY SECTION */
  9128. /******************************************************************/
  9129. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9130. struct link_params *params,
  9131. struct link_vars *vars)
  9132. {
  9133. struct bnx2x *bp = params->bp;
  9134. u8 port;
  9135. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9136. u32 cfg_pin;
  9137. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9138. usleep_range(1000, 1000);
  9139. /*
  9140. * This works with E3 only, no need to check the chip
  9141. * before determining the port.
  9142. */
  9143. port = params->port;
  9144. cfg_pin = (REG_RD(bp, params->shmem_base +
  9145. offsetof(struct shmem_region,
  9146. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9147. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9148. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9149. /* Drive pin high to bring the GPHY out of reset. */
  9150. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9151. /* wait for GPHY to reset */
  9152. msleep(50);
  9153. /* reset phy */
  9154. bnx2x_cl22_write(bp, phy,
  9155. MDIO_PMA_REG_CTRL, 0x8000);
  9156. bnx2x_wait_reset_complete(bp, phy, params);
  9157. /*wait for GPHY to reset */
  9158. msleep(50);
  9159. /* Configure LED4: set to INTR (0x6). */
  9160. /* Accessing shadow register 0xe. */
  9161. bnx2x_cl22_write(bp, phy,
  9162. MDIO_REG_GPHY_SHADOW,
  9163. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9164. bnx2x_cl22_read(bp, phy,
  9165. MDIO_REG_GPHY_SHADOW,
  9166. &temp);
  9167. temp &= ~(0xf << 4);
  9168. temp |= (0x6 << 4);
  9169. bnx2x_cl22_write(bp, phy,
  9170. MDIO_REG_GPHY_SHADOW,
  9171. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9172. /* Configure INTR based on link status change. */
  9173. bnx2x_cl22_write(bp, phy,
  9174. MDIO_REG_INTR_MASK,
  9175. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9176. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9177. bnx2x_cl22_write(bp, phy,
  9178. MDIO_REG_GPHY_SHADOW,
  9179. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9180. bnx2x_cl22_read(bp, phy,
  9181. MDIO_REG_GPHY_SHADOW,
  9182. &temp);
  9183. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9184. bnx2x_cl22_write(bp, phy,
  9185. MDIO_REG_GPHY_SHADOW,
  9186. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9187. /* Set up fc */
  9188. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9189. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9190. fc_val = 0;
  9191. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9192. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9193. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9194. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9195. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9196. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9197. /* read all advertisement */
  9198. bnx2x_cl22_read(bp, phy,
  9199. 0x09,
  9200. &an_1000_val);
  9201. bnx2x_cl22_read(bp, phy,
  9202. 0x04,
  9203. &an_10_100_val);
  9204. bnx2x_cl22_read(bp, phy,
  9205. MDIO_PMA_REG_CTRL,
  9206. &autoneg_val);
  9207. /* Disable forced speed */
  9208. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9209. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9210. (1<<11));
  9211. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9212. (phy->speed_cap_mask &
  9213. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9214. (phy->req_line_speed == SPEED_1000)) {
  9215. an_1000_val |= (1<<8);
  9216. autoneg_val |= (1<<9 | 1<<12);
  9217. if (phy->req_duplex == DUPLEX_FULL)
  9218. an_1000_val |= (1<<9);
  9219. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9220. } else
  9221. an_1000_val &= ~((1<<8) | (1<<9));
  9222. bnx2x_cl22_write(bp, phy,
  9223. 0x09,
  9224. an_1000_val);
  9225. bnx2x_cl22_read(bp, phy,
  9226. 0x09,
  9227. &an_1000_val);
  9228. /* set 100 speed advertisement */
  9229. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9230. (phy->speed_cap_mask &
  9231. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9232. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9233. an_10_100_val |= (1<<7);
  9234. /* Enable autoneg and restart autoneg for legacy speeds */
  9235. autoneg_val |= (1<<9 | 1<<12);
  9236. if (phy->req_duplex == DUPLEX_FULL)
  9237. an_10_100_val |= (1<<8);
  9238. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9239. }
  9240. /* set 10 speed advertisement */
  9241. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9242. (phy->speed_cap_mask &
  9243. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9244. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9245. an_10_100_val |= (1<<5);
  9246. autoneg_val |= (1<<9 | 1<<12);
  9247. if (phy->req_duplex == DUPLEX_FULL)
  9248. an_10_100_val |= (1<<6);
  9249. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9250. }
  9251. /* Only 10/100 are allowed to work in FORCE mode */
  9252. if (phy->req_line_speed == SPEED_100) {
  9253. autoneg_val |= (1<<13);
  9254. /* Enabled AUTO-MDIX when autoneg is disabled */
  9255. bnx2x_cl22_write(bp, phy,
  9256. 0x18,
  9257. (1<<15 | 1<<9 | 7<<0));
  9258. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9259. }
  9260. if (phy->req_line_speed == SPEED_10) {
  9261. /* Enabled AUTO-MDIX when autoneg is disabled */
  9262. bnx2x_cl22_write(bp, phy,
  9263. 0x18,
  9264. (1<<15 | 1<<9 | 7<<0));
  9265. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9266. }
  9267. /* Check if we should turn on Auto-GrEEEn */
  9268. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9269. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9270. if (params->feature_config_flags &
  9271. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9272. temp = 6;
  9273. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9274. } else {
  9275. temp = 0;
  9276. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9277. }
  9278. bnx2x_cl22_write(bp, phy,
  9279. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9280. bnx2x_cl22_write(bp, phy,
  9281. MDIO_REG_GPHY_CL45_DATA_REG,
  9282. MDIO_REG_GPHY_EEE_ADV);
  9283. bnx2x_cl22_write(bp, phy,
  9284. MDIO_REG_GPHY_CL45_ADDR_REG,
  9285. (0x1 << 14) | MDIO_AN_DEVAD);
  9286. bnx2x_cl22_write(bp, phy,
  9287. MDIO_REG_GPHY_CL45_DATA_REG,
  9288. temp);
  9289. }
  9290. bnx2x_cl22_write(bp, phy,
  9291. 0x04,
  9292. an_10_100_val | fc_val);
  9293. if (phy->req_duplex == DUPLEX_FULL)
  9294. autoneg_val |= (1<<8);
  9295. bnx2x_cl22_write(bp, phy,
  9296. MDIO_PMA_REG_CTRL, autoneg_val);
  9297. return 0;
  9298. }
  9299. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9300. struct link_params *params, u8 mode)
  9301. {
  9302. struct bnx2x *bp = params->bp;
  9303. u16 temp;
  9304. bnx2x_cl22_write(bp, phy,
  9305. MDIO_REG_GPHY_SHADOW,
  9306. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9307. bnx2x_cl22_read(bp, phy,
  9308. MDIO_REG_GPHY_SHADOW,
  9309. &temp);
  9310. temp &= 0xff00;
  9311. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9312. switch (mode) {
  9313. case LED_MODE_FRONT_PANEL_OFF:
  9314. case LED_MODE_OFF:
  9315. temp |= 0x00ee;
  9316. break;
  9317. case LED_MODE_OPER:
  9318. temp |= 0x0001;
  9319. break;
  9320. case LED_MODE_ON:
  9321. temp |= 0x00ff;
  9322. break;
  9323. default:
  9324. break;
  9325. }
  9326. bnx2x_cl22_write(bp, phy,
  9327. MDIO_REG_GPHY_SHADOW,
  9328. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9329. return;
  9330. }
  9331. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9332. struct link_params *params)
  9333. {
  9334. struct bnx2x *bp = params->bp;
  9335. u32 cfg_pin;
  9336. u8 port;
  9337. /*
  9338. * In case of no EPIO routed to reset the GPHY, put it
  9339. * in low power mode.
  9340. */
  9341. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9342. /*
  9343. * This works with E3 only, no need to check the chip
  9344. * before determining the port.
  9345. */
  9346. port = params->port;
  9347. cfg_pin = (REG_RD(bp, params->shmem_base +
  9348. offsetof(struct shmem_region,
  9349. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9350. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9351. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9352. /* Drive pin low to put GPHY in reset. */
  9353. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9354. }
  9355. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9356. struct link_params *params,
  9357. struct link_vars *vars)
  9358. {
  9359. struct bnx2x *bp = params->bp;
  9360. u16 val;
  9361. u8 link_up = 0;
  9362. u16 legacy_status, legacy_speed;
  9363. /* Get speed operation status */
  9364. bnx2x_cl22_read(bp, phy,
  9365. 0x19,
  9366. &legacy_status);
  9367. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9368. /* Read status to clear the PHY interrupt. */
  9369. bnx2x_cl22_read(bp, phy,
  9370. MDIO_REG_INTR_STATUS,
  9371. &val);
  9372. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9373. if (link_up) {
  9374. legacy_speed = (legacy_status & (7<<8));
  9375. if (legacy_speed == (7<<8)) {
  9376. vars->line_speed = SPEED_1000;
  9377. vars->duplex = DUPLEX_FULL;
  9378. } else if (legacy_speed == (6<<8)) {
  9379. vars->line_speed = SPEED_1000;
  9380. vars->duplex = DUPLEX_HALF;
  9381. } else if (legacy_speed == (5<<8)) {
  9382. vars->line_speed = SPEED_100;
  9383. vars->duplex = DUPLEX_FULL;
  9384. }
  9385. /* Omitting 100Base-T4 for now */
  9386. else if (legacy_speed == (3<<8)) {
  9387. vars->line_speed = SPEED_100;
  9388. vars->duplex = DUPLEX_HALF;
  9389. } else if (legacy_speed == (2<<8)) {
  9390. vars->line_speed = SPEED_10;
  9391. vars->duplex = DUPLEX_FULL;
  9392. } else if (legacy_speed == (1<<8)) {
  9393. vars->line_speed = SPEED_10;
  9394. vars->duplex = DUPLEX_HALF;
  9395. } else /* Should not happen */
  9396. vars->line_speed = 0;
  9397. DP(NETIF_MSG_LINK,
  9398. "Link is up in %dMbps, is_duplex_full= %d\n",
  9399. vars->line_speed,
  9400. (vars->duplex == DUPLEX_FULL));
  9401. /* Check legacy speed AN resolution */
  9402. bnx2x_cl22_read(bp, phy,
  9403. 0x01,
  9404. &val);
  9405. if (val & (1<<5))
  9406. vars->link_status |=
  9407. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9408. bnx2x_cl22_read(bp, phy,
  9409. 0x06,
  9410. &val);
  9411. if ((val & (1<<0)) == 0)
  9412. vars->link_status |=
  9413. LINK_STATUS_PARALLEL_DETECTION_USED;
  9414. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9415. vars->line_speed);
  9416. /* Report whether EEE is resolved. */
  9417. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9418. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9419. if (vars->link_status &
  9420. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9421. val = 0;
  9422. else {
  9423. bnx2x_cl22_write(bp, phy,
  9424. MDIO_REG_GPHY_CL45_ADDR_REG,
  9425. MDIO_AN_DEVAD);
  9426. bnx2x_cl22_write(bp, phy,
  9427. MDIO_REG_GPHY_CL45_DATA_REG,
  9428. MDIO_REG_GPHY_EEE_RESOLVED);
  9429. bnx2x_cl22_write(bp, phy,
  9430. MDIO_REG_GPHY_CL45_ADDR_REG,
  9431. (0x1 << 14) | MDIO_AN_DEVAD);
  9432. bnx2x_cl22_read(bp, phy,
  9433. MDIO_REG_GPHY_CL45_DATA_REG,
  9434. &val);
  9435. }
  9436. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9437. }
  9438. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9439. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9440. /* report LP advertised speeds */
  9441. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9442. if (val & (1<<5))
  9443. vars->link_status |=
  9444. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9445. if (val & (1<<6))
  9446. vars->link_status |=
  9447. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9448. if (val & (1<<7))
  9449. vars->link_status |=
  9450. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9451. if (val & (1<<8))
  9452. vars->link_status |=
  9453. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9454. if (val & (1<<9))
  9455. vars->link_status |=
  9456. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9457. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9458. if (val & (1<<10))
  9459. vars->link_status |=
  9460. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9461. if (val & (1<<11))
  9462. vars->link_status |=
  9463. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9464. }
  9465. }
  9466. return link_up;
  9467. }
  9468. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9469. struct link_params *params)
  9470. {
  9471. struct bnx2x *bp = params->bp;
  9472. u16 val;
  9473. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9474. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9475. /* Enable master/slave manual mmode and set to master */
  9476. /* mii write 9 [bits set 11 12] */
  9477. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9478. /* forced 1G and disable autoneg */
  9479. /* set val [mii read 0] */
  9480. /* set val [expr $val & [bits clear 6 12 13]] */
  9481. /* set val [expr $val | [bits set 6 8]] */
  9482. /* mii write 0 $val */
  9483. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9484. val &= ~((1<<6) | (1<<12) | (1<<13));
  9485. val |= (1<<6) | (1<<8);
  9486. bnx2x_cl22_write(bp, phy, 0x00, val);
  9487. /* Set external loopback and Tx using 6dB coding */
  9488. /* mii write 0x18 7 */
  9489. /* set val [mii read 0x18] */
  9490. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9491. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9492. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9493. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9494. /* This register opens the gate for the UMAC despite its name */
  9495. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9496. /*
  9497. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9498. * length used by the MAC receive logic to check frames.
  9499. */
  9500. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9501. }
  9502. /******************************************************************/
  9503. /* SFX7101 PHY SECTION */
  9504. /******************************************************************/
  9505. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9506. struct link_params *params)
  9507. {
  9508. struct bnx2x *bp = params->bp;
  9509. /* SFX7101_XGXS_TEST1 */
  9510. bnx2x_cl45_write(bp, phy,
  9511. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9512. }
  9513. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9514. struct link_params *params,
  9515. struct link_vars *vars)
  9516. {
  9517. u16 fw_ver1, fw_ver2, val;
  9518. struct bnx2x *bp = params->bp;
  9519. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9520. /* Restore normal power mode*/
  9521. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9522. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9523. /* HW reset */
  9524. bnx2x_ext_phy_hw_reset(bp, params->port);
  9525. bnx2x_wait_reset_complete(bp, phy, params);
  9526. bnx2x_cl45_write(bp, phy,
  9527. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9528. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9529. bnx2x_cl45_write(bp, phy,
  9530. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9531. bnx2x_ext_phy_set_pause(params, phy, vars);
  9532. /* Restart autoneg */
  9533. bnx2x_cl45_read(bp, phy,
  9534. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9535. val |= 0x200;
  9536. bnx2x_cl45_write(bp, phy,
  9537. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9538. /* Save spirom version */
  9539. bnx2x_cl45_read(bp, phy,
  9540. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9541. bnx2x_cl45_read(bp, phy,
  9542. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9543. bnx2x_save_spirom_version(bp, params->port,
  9544. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9545. return 0;
  9546. }
  9547. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9548. struct link_params *params,
  9549. struct link_vars *vars)
  9550. {
  9551. struct bnx2x *bp = params->bp;
  9552. u8 link_up;
  9553. u16 val1, val2;
  9554. bnx2x_cl45_read(bp, phy,
  9555. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9556. bnx2x_cl45_read(bp, phy,
  9557. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9558. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9559. val2, val1);
  9560. bnx2x_cl45_read(bp, phy,
  9561. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9562. bnx2x_cl45_read(bp, phy,
  9563. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9564. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9565. val2, val1);
  9566. link_up = ((val1 & 4) == 4);
  9567. /* if link is up print the AN outcome of the SFX7101 PHY */
  9568. if (link_up) {
  9569. bnx2x_cl45_read(bp, phy,
  9570. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9571. &val2);
  9572. vars->line_speed = SPEED_10000;
  9573. vars->duplex = DUPLEX_FULL;
  9574. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9575. val2, (val2 & (1<<14)));
  9576. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9577. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9578. /* read LP advertised speeds */
  9579. if (val2 & (1<<11))
  9580. vars->link_status |=
  9581. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9582. }
  9583. return link_up;
  9584. }
  9585. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9586. {
  9587. if (*len < 5)
  9588. return -EINVAL;
  9589. str[0] = (spirom_ver & 0xFF);
  9590. str[1] = (spirom_ver & 0xFF00) >> 8;
  9591. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9592. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9593. str[4] = '\0';
  9594. *len -= 5;
  9595. return 0;
  9596. }
  9597. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9598. {
  9599. u16 val, cnt;
  9600. bnx2x_cl45_read(bp, phy,
  9601. MDIO_PMA_DEVAD,
  9602. MDIO_PMA_REG_7101_RESET, &val);
  9603. for (cnt = 0; cnt < 10; cnt++) {
  9604. msleep(50);
  9605. /* Writes a self-clearing reset */
  9606. bnx2x_cl45_write(bp, phy,
  9607. MDIO_PMA_DEVAD,
  9608. MDIO_PMA_REG_7101_RESET,
  9609. (val | (1<<15)));
  9610. /* Wait for clear */
  9611. bnx2x_cl45_read(bp, phy,
  9612. MDIO_PMA_DEVAD,
  9613. MDIO_PMA_REG_7101_RESET, &val);
  9614. if ((val & (1<<15)) == 0)
  9615. break;
  9616. }
  9617. }
  9618. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9619. struct link_params *params) {
  9620. /* Low power mode is controlled by GPIO 2 */
  9621. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9622. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9623. /* The PHY reset is controlled by GPIO 1 */
  9624. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9625. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9626. }
  9627. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9628. struct link_params *params, u8 mode)
  9629. {
  9630. u16 val = 0;
  9631. struct bnx2x *bp = params->bp;
  9632. switch (mode) {
  9633. case LED_MODE_FRONT_PANEL_OFF:
  9634. case LED_MODE_OFF:
  9635. val = 2;
  9636. break;
  9637. case LED_MODE_ON:
  9638. val = 1;
  9639. break;
  9640. case LED_MODE_OPER:
  9641. val = 0;
  9642. break;
  9643. }
  9644. bnx2x_cl45_write(bp, phy,
  9645. MDIO_PMA_DEVAD,
  9646. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9647. val);
  9648. }
  9649. /******************************************************************/
  9650. /* STATIC PHY DECLARATION */
  9651. /******************************************************************/
  9652. static struct bnx2x_phy phy_null = {
  9653. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9654. .addr = 0,
  9655. .def_md_devad = 0,
  9656. .flags = FLAGS_INIT_XGXS_FIRST,
  9657. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9658. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9659. .mdio_ctrl = 0,
  9660. .supported = 0,
  9661. .media_type = ETH_PHY_NOT_PRESENT,
  9662. .ver_addr = 0,
  9663. .req_flow_ctrl = 0,
  9664. .req_line_speed = 0,
  9665. .speed_cap_mask = 0,
  9666. .req_duplex = 0,
  9667. .rsrv = 0,
  9668. .config_init = (config_init_t)NULL,
  9669. .read_status = (read_status_t)NULL,
  9670. .link_reset = (link_reset_t)NULL,
  9671. .config_loopback = (config_loopback_t)NULL,
  9672. .format_fw_ver = (format_fw_ver_t)NULL,
  9673. .hw_reset = (hw_reset_t)NULL,
  9674. .set_link_led = (set_link_led_t)NULL,
  9675. .phy_specific_func = (phy_specific_func_t)NULL
  9676. };
  9677. static struct bnx2x_phy phy_serdes = {
  9678. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9679. .addr = 0xff,
  9680. .def_md_devad = 0,
  9681. .flags = 0,
  9682. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9683. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9684. .mdio_ctrl = 0,
  9685. .supported = (SUPPORTED_10baseT_Half |
  9686. SUPPORTED_10baseT_Full |
  9687. SUPPORTED_100baseT_Half |
  9688. SUPPORTED_100baseT_Full |
  9689. SUPPORTED_1000baseT_Full |
  9690. SUPPORTED_2500baseX_Full |
  9691. SUPPORTED_TP |
  9692. SUPPORTED_Autoneg |
  9693. SUPPORTED_Pause |
  9694. SUPPORTED_Asym_Pause),
  9695. .media_type = ETH_PHY_BASE_T,
  9696. .ver_addr = 0,
  9697. .req_flow_ctrl = 0,
  9698. .req_line_speed = 0,
  9699. .speed_cap_mask = 0,
  9700. .req_duplex = 0,
  9701. .rsrv = 0,
  9702. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9703. .read_status = (read_status_t)bnx2x_link_settings_status,
  9704. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9705. .config_loopback = (config_loopback_t)NULL,
  9706. .format_fw_ver = (format_fw_ver_t)NULL,
  9707. .hw_reset = (hw_reset_t)NULL,
  9708. .set_link_led = (set_link_led_t)NULL,
  9709. .phy_specific_func = (phy_specific_func_t)NULL
  9710. };
  9711. static struct bnx2x_phy phy_xgxs = {
  9712. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9713. .addr = 0xff,
  9714. .def_md_devad = 0,
  9715. .flags = 0,
  9716. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9717. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9718. .mdio_ctrl = 0,
  9719. .supported = (SUPPORTED_10baseT_Half |
  9720. SUPPORTED_10baseT_Full |
  9721. SUPPORTED_100baseT_Half |
  9722. SUPPORTED_100baseT_Full |
  9723. SUPPORTED_1000baseT_Full |
  9724. SUPPORTED_2500baseX_Full |
  9725. SUPPORTED_10000baseT_Full |
  9726. SUPPORTED_FIBRE |
  9727. SUPPORTED_Autoneg |
  9728. SUPPORTED_Pause |
  9729. SUPPORTED_Asym_Pause),
  9730. .media_type = ETH_PHY_CX4,
  9731. .ver_addr = 0,
  9732. .req_flow_ctrl = 0,
  9733. .req_line_speed = 0,
  9734. .speed_cap_mask = 0,
  9735. .req_duplex = 0,
  9736. .rsrv = 0,
  9737. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9738. .read_status = (read_status_t)bnx2x_link_settings_status,
  9739. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9740. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9741. .format_fw_ver = (format_fw_ver_t)NULL,
  9742. .hw_reset = (hw_reset_t)NULL,
  9743. .set_link_led = (set_link_led_t)NULL,
  9744. .phy_specific_func = (phy_specific_func_t)NULL
  9745. };
  9746. static struct bnx2x_phy phy_warpcore = {
  9747. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9748. .addr = 0xff,
  9749. .def_md_devad = 0,
  9750. .flags = FLAGS_HW_LOCK_REQUIRED,
  9751. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9752. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9753. .mdio_ctrl = 0,
  9754. .supported = (SUPPORTED_10baseT_Half |
  9755. SUPPORTED_10baseT_Full |
  9756. SUPPORTED_100baseT_Half |
  9757. SUPPORTED_100baseT_Full |
  9758. SUPPORTED_1000baseT_Full |
  9759. SUPPORTED_10000baseT_Full |
  9760. SUPPORTED_20000baseKR2_Full |
  9761. SUPPORTED_20000baseMLD2_Full |
  9762. SUPPORTED_FIBRE |
  9763. SUPPORTED_Autoneg |
  9764. SUPPORTED_Pause |
  9765. SUPPORTED_Asym_Pause),
  9766. .media_type = ETH_PHY_UNSPECIFIED,
  9767. .ver_addr = 0,
  9768. .req_flow_ctrl = 0,
  9769. .req_line_speed = 0,
  9770. .speed_cap_mask = 0,
  9771. /* req_duplex = */0,
  9772. /* rsrv = */0,
  9773. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9774. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9775. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9776. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9777. .format_fw_ver = (format_fw_ver_t)NULL,
  9778. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9779. .set_link_led = (set_link_led_t)NULL,
  9780. .phy_specific_func = (phy_specific_func_t)NULL
  9781. };
  9782. static struct bnx2x_phy phy_7101 = {
  9783. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9784. .addr = 0xff,
  9785. .def_md_devad = 0,
  9786. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9787. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9788. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9789. .mdio_ctrl = 0,
  9790. .supported = (SUPPORTED_10000baseT_Full |
  9791. SUPPORTED_TP |
  9792. SUPPORTED_Autoneg |
  9793. SUPPORTED_Pause |
  9794. SUPPORTED_Asym_Pause),
  9795. .media_type = ETH_PHY_BASE_T,
  9796. .ver_addr = 0,
  9797. .req_flow_ctrl = 0,
  9798. .req_line_speed = 0,
  9799. .speed_cap_mask = 0,
  9800. .req_duplex = 0,
  9801. .rsrv = 0,
  9802. .config_init = (config_init_t)bnx2x_7101_config_init,
  9803. .read_status = (read_status_t)bnx2x_7101_read_status,
  9804. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9805. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9806. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9807. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9808. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9809. .phy_specific_func = (phy_specific_func_t)NULL
  9810. };
  9811. static struct bnx2x_phy phy_8073 = {
  9812. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9813. .addr = 0xff,
  9814. .def_md_devad = 0,
  9815. .flags = FLAGS_HW_LOCK_REQUIRED,
  9816. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9817. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9818. .mdio_ctrl = 0,
  9819. .supported = (SUPPORTED_10000baseT_Full |
  9820. SUPPORTED_2500baseX_Full |
  9821. SUPPORTED_1000baseT_Full |
  9822. SUPPORTED_FIBRE |
  9823. SUPPORTED_Autoneg |
  9824. SUPPORTED_Pause |
  9825. SUPPORTED_Asym_Pause),
  9826. .media_type = ETH_PHY_KR,
  9827. .ver_addr = 0,
  9828. .req_flow_ctrl = 0,
  9829. .req_line_speed = 0,
  9830. .speed_cap_mask = 0,
  9831. .req_duplex = 0,
  9832. .rsrv = 0,
  9833. .config_init = (config_init_t)bnx2x_8073_config_init,
  9834. .read_status = (read_status_t)bnx2x_8073_read_status,
  9835. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9836. .config_loopback = (config_loopback_t)NULL,
  9837. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9838. .hw_reset = (hw_reset_t)NULL,
  9839. .set_link_led = (set_link_led_t)NULL,
  9840. .phy_specific_func = (phy_specific_func_t)NULL
  9841. };
  9842. static struct bnx2x_phy phy_8705 = {
  9843. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9844. .addr = 0xff,
  9845. .def_md_devad = 0,
  9846. .flags = FLAGS_INIT_XGXS_FIRST,
  9847. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9848. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9849. .mdio_ctrl = 0,
  9850. .supported = (SUPPORTED_10000baseT_Full |
  9851. SUPPORTED_FIBRE |
  9852. SUPPORTED_Pause |
  9853. SUPPORTED_Asym_Pause),
  9854. .media_type = ETH_PHY_XFP_FIBER,
  9855. .ver_addr = 0,
  9856. .req_flow_ctrl = 0,
  9857. .req_line_speed = 0,
  9858. .speed_cap_mask = 0,
  9859. .req_duplex = 0,
  9860. .rsrv = 0,
  9861. .config_init = (config_init_t)bnx2x_8705_config_init,
  9862. .read_status = (read_status_t)bnx2x_8705_read_status,
  9863. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9864. .config_loopback = (config_loopback_t)NULL,
  9865. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9866. .hw_reset = (hw_reset_t)NULL,
  9867. .set_link_led = (set_link_led_t)NULL,
  9868. .phy_specific_func = (phy_specific_func_t)NULL
  9869. };
  9870. static struct bnx2x_phy phy_8706 = {
  9871. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9872. .addr = 0xff,
  9873. .def_md_devad = 0,
  9874. .flags = FLAGS_INIT_XGXS_FIRST,
  9875. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9876. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9877. .mdio_ctrl = 0,
  9878. .supported = (SUPPORTED_10000baseT_Full |
  9879. SUPPORTED_1000baseT_Full |
  9880. SUPPORTED_FIBRE |
  9881. SUPPORTED_Pause |
  9882. SUPPORTED_Asym_Pause),
  9883. .media_type = ETH_PHY_SFP_FIBER,
  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_8706_config_init,
  9891. .read_status = (read_status_t)bnx2x_8706_read_status,
  9892. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9893. .config_loopback = (config_loopback_t)NULL,
  9894. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9895. .hw_reset = (hw_reset_t)NULL,
  9896. .set_link_led = (set_link_led_t)NULL,
  9897. .phy_specific_func = (phy_specific_func_t)NULL
  9898. };
  9899. static struct bnx2x_phy phy_8726 = {
  9900. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9901. .addr = 0xff,
  9902. .def_md_devad = 0,
  9903. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9904. FLAGS_INIT_XGXS_FIRST),
  9905. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9906. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9907. .mdio_ctrl = 0,
  9908. .supported = (SUPPORTED_10000baseT_Full |
  9909. SUPPORTED_1000baseT_Full |
  9910. SUPPORTED_Autoneg |
  9911. SUPPORTED_FIBRE |
  9912. SUPPORTED_Pause |
  9913. SUPPORTED_Asym_Pause),
  9914. .media_type = ETH_PHY_NOT_PRESENT,
  9915. .ver_addr = 0,
  9916. .req_flow_ctrl = 0,
  9917. .req_line_speed = 0,
  9918. .speed_cap_mask = 0,
  9919. .req_duplex = 0,
  9920. .rsrv = 0,
  9921. .config_init = (config_init_t)bnx2x_8726_config_init,
  9922. .read_status = (read_status_t)bnx2x_8726_read_status,
  9923. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9924. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9925. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9926. .hw_reset = (hw_reset_t)NULL,
  9927. .set_link_led = (set_link_led_t)NULL,
  9928. .phy_specific_func = (phy_specific_func_t)NULL
  9929. };
  9930. static struct bnx2x_phy phy_8727 = {
  9931. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9932. .addr = 0xff,
  9933. .def_md_devad = 0,
  9934. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9935. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9937. .mdio_ctrl = 0,
  9938. .supported = (SUPPORTED_10000baseT_Full |
  9939. SUPPORTED_1000baseT_Full |
  9940. SUPPORTED_FIBRE |
  9941. SUPPORTED_Pause |
  9942. SUPPORTED_Asym_Pause),
  9943. .media_type = ETH_PHY_NOT_PRESENT,
  9944. .ver_addr = 0,
  9945. .req_flow_ctrl = 0,
  9946. .req_line_speed = 0,
  9947. .speed_cap_mask = 0,
  9948. .req_duplex = 0,
  9949. .rsrv = 0,
  9950. .config_init = (config_init_t)bnx2x_8727_config_init,
  9951. .read_status = (read_status_t)bnx2x_8727_read_status,
  9952. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9953. .config_loopback = (config_loopback_t)NULL,
  9954. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9955. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9956. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9957. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9958. };
  9959. static struct bnx2x_phy phy_8481 = {
  9960. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9961. .addr = 0xff,
  9962. .def_md_devad = 0,
  9963. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9964. FLAGS_REARM_LATCH_SIGNAL,
  9965. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9966. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9967. .mdio_ctrl = 0,
  9968. .supported = (SUPPORTED_10baseT_Half |
  9969. SUPPORTED_10baseT_Full |
  9970. SUPPORTED_100baseT_Half |
  9971. SUPPORTED_100baseT_Full |
  9972. SUPPORTED_1000baseT_Full |
  9973. SUPPORTED_10000baseT_Full |
  9974. SUPPORTED_TP |
  9975. SUPPORTED_Autoneg |
  9976. SUPPORTED_Pause |
  9977. SUPPORTED_Asym_Pause),
  9978. .media_type = ETH_PHY_BASE_T,
  9979. .ver_addr = 0,
  9980. .req_flow_ctrl = 0,
  9981. .req_line_speed = 0,
  9982. .speed_cap_mask = 0,
  9983. .req_duplex = 0,
  9984. .rsrv = 0,
  9985. .config_init = (config_init_t)bnx2x_8481_config_init,
  9986. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9987. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9988. .config_loopback = (config_loopback_t)NULL,
  9989. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9990. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9991. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9992. .phy_specific_func = (phy_specific_func_t)NULL
  9993. };
  9994. static struct bnx2x_phy phy_84823 = {
  9995. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9996. .addr = 0xff,
  9997. .def_md_devad = 0,
  9998. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9999. FLAGS_REARM_LATCH_SIGNAL,
  10000. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10001. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10002. .mdio_ctrl = 0,
  10003. .supported = (SUPPORTED_10baseT_Half |
  10004. SUPPORTED_10baseT_Full |
  10005. SUPPORTED_100baseT_Half |
  10006. SUPPORTED_100baseT_Full |
  10007. SUPPORTED_1000baseT_Full |
  10008. SUPPORTED_10000baseT_Full |
  10009. SUPPORTED_TP |
  10010. SUPPORTED_Autoneg |
  10011. SUPPORTED_Pause |
  10012. SUPPORTED_Asym_Pause),
  10013. .media_type = ETH_PHY_BASE_T,
  10014. .ver_addr = 0,
  10015. .req_flow_ctrl = 0,
  10016. .req_line_speed = 0,
  10017. .speed_cap_mask = 0,
  10018. .req_duplex = 0,
  10019. .rsrv = 0,
  10020. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10021. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10022. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10023. .config_loopback = (config_loopback_t)NULL,
  10024. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10025. .hw_reset = (hw_reset_t)NULL,
  10026. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10027. .phy_specific_func = (phy_specific_func_t)NULL
  10028. };
  10029. static struct bnx2x_phy phy_84833 = {
  10030. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10031. .addr = 0xff,
  10032. .def_md_devad = 0,
  10033. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10034. FLAGS_REARM_LATCH_SIGNAL,
  10035. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10036. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10037. .mdio_ctrl = 0,
  10038. .supported = (SUPPORTED_100baseT_Half |
  10039. SUPPORTED_100baseT_Full |
  10040. SUPPORTED_1000baseT_Full |
  10041. SUPPORTED_10000baseT_Full |
  10042. SUPPORTED_TP |
  10043. SUPPORTED_Autoneg |
  10044. SUPPORTED_Pause |
  10045. SUPPORTED_Asym_Pause),
  10046. .media_type = ETH_PHY_BASE_T,
  10047. .ver_addr = 0,
  10048. .req_flow_ctrl = 0,
  10049. .req_line_speed = 0,
  10050. .speed_cap_mask = 0,
  10051. .req_duplex = 0,
  10052. .rsrv = 0,
  10053. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10054. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10055. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10056. .config_loopback = (config_loopback_t)NULL,
  10057. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10058. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10059. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10060. .phy_specific_func = (phy_specific_func_t)NULL
  10061. };
  10062. static struct bnx2x_phy phy_54618se = {
  10063. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10064. .addr = 0xff,
  10065. .def_md_devad = 0,
  10066. .flags = FLAGS_INIT_XGXS_FIRST,
  10067. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10068. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10069. .mdio_ctrl = 0,
  10070. .supported = (SUPPORTED_10baseT_Half |
  10071. SUPPORTED_10baseT_Full |
  10072. SUPPORTED_100baseT_Half |
  10073. SUPPORTED_100baseT_Full |
  10074. SUPPORTED_1000baseT_Full |
  10075. SUPPORTED_TP |
  10076. SUPPORTED_Autoneg |
  10077. SUPPORTED_Pause |
  10078. SUPPORTED_Asym_Pause),
  10079. .media_type = ETH_PHY_BASE_T,
  10080. .ver_addr = 0,
  10081. .req_flow_ctrl = 0,
  10082. .req_line_speed = 0,
  10083. .speed_cap_mask = 0,
  10084. /* req_duplex = */0,
  10085. /* rsrv = */0,
  10086. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10087. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10088. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10089. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10090. .format_fw_ver = (format_fw_ver_t)NULL,
  10091. .hw_reset = (hw_reset_t)NULL,
  10092. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10093. .phy_specific_func = (phy_specific_func_t)NULL
  10094. };
  10095. /*****************************************************************/
  10096. /* */
  10097. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10098. /* */
  10099. /*****************************************************************/
  10100. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10101. struct bnx2x_phy *phy, u8 port,
  10102. u8 phy_index)
  10103. {
  10104. /* Get the 4 lanes xgxs config rx and tx */
  10105. u32 rx = 0, tx = 0, i;
  10106. for (i = 0; i < 2; i++) {
  10107. /*
  10108. * INT_PHY and EXT_PHY1 share the same value location in the
  10109. * shmem. When num_phys is greater than 1, than this value
  10110. * applies only to EXT_PHY1
  10111. */
  10112. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10113. rx = REG_RD(bp, shmem_base +
  10114. offsetof(struct shmem_region,
  10115. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10116. tx = REG_RD(bp, shmem_base +
  10117. offsetof(struct shmem_region,
  10118. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10119. } else {
  10120. rx = REG_RD(bp, shmem_base +
  10121. offsetof(struct shmem_region,
  10122. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10123. tx = REG_RD(bp, shmem_base +
  10124. offsetof(struct shmem_region,
  10125. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10126. }
  10127. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10128. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10129. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10130. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10131. }
  10132. }
  10133. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10134. u8 phy_index, u8 port)
  10135. {
  10136. u32 ext_phy_config = 0;
  10137. switch (phy_index) {
  10138. case EXT_PHY1:
  10139. ext_phy_config = REG_RD(bp, shmem_base +
  10140. offsetof(struct shmem_region,
  10141. dev_info.port_hw_config[port].external_phy_config));
  10142. break;
  10143. case EXT_PHY2:
  10144. ext_phy_config = REG_RD(bp, shmem_base +
  10145. offsetof(struct shmem_region,
  10146. dev_info.port_hw_config[port].external_phy_config2));
  10147. break;
  10148. default:
  10149. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10150. return -EINVAL;
  10151. }
  10152. return ext_phy_config;
  10153. }
  10154. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10155. struct bnx2x_phy *phy)
  10156. {
  10157. u32 phy_addr;
  10158. u32 chip_id;
  10159. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10160. offsetof(struct shmem_region,
  10161. dev_info.port_feature_config[port].link_config)) &
  10162. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10163. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10164. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10165. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10166. if (USES_WARPCORE(bp)) {
  10167. u32 serdes_net_if;
  10168. phy_addr = REG_RD(bp,
  10169. MISC_REG_WC0_CTRL_PHY_ADDR);
  10170. *phy = phy_warpcore;
  10171. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10172. phy->flags |= FLAGS_4_PORT_MODE;
  10173. else
  10174. phy->flags &= ~FLAGS_4_PORT_MODE;
  10175. /* Check Dual mode */
  10176. serdes_net_if = (REG_RD(bp, shmem_base +
  10177. offsetof(struct shmem_region, dev_info.
  10178. port_hw_config[port].default_cfg)) &
  10179. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10180. /*
  10181. * Set the appropriate supported and flags indications per
  10182. * interface type of the chip
  10183. */
  10184. switch (serdes_net_if) {
  10185. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10186. phy->supported &= (SUPPORTED_10baseT_Half |
  10187. SUPPORTED_10baseT_Full |
  10188. SUPPORTED_100baseT_Half |
  10189. SUPPORTED_100baseT_Full |
  10190. SUPPORTED_1000baseT_Full |
  10191. SUPPORTED_FIBRE |
  10192. SUPPORTED_Autoneg |
  10193. SUPPORTED_Pause |
  10194. SUPPORTED_Asym_Pause);
  10195. phy->media_type = ETH_PHY_BASE_T;
  10196. break;
  10197. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10198. phy->media_type = ETH_PHY_XFP_FIBER;
  10199. break;
  10200. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10201. phy->supported &= (SUPPORTED_1000baseT_Full |
  10202. SUPPORTED_10000baseT_Full |
  10203. SUPPORTED_FIBRE |
  10204. SUPPORTED_Pause |
  10205. SUPPORTED_Asym_Pause);
  10206. phy->media_type = ETH_PHY_SFP_FIBER;
  10207. break;
  10208. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10209. phy->media_type = ETH_PHY_KR;
  10210. phy->supported &= (SUPPORTED_1000baseT_Full |
  10211. SUPPORTED_10000baseT_Full |
  10212. SUPPORTED_FIBRE |
  10213. SUPPORTED_Autoneg |
  10214. SUPPORTED_Pause |
  10215. SUPPORTED_Asym_Pause);
  10216. break;
  10217. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10218. phy->media_type = ETH_PHY_KR;
  10219. phy->flags |= FLAGS_WC_DUAL_MODE;
  10220. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10221. SUPPORTED_FIBRE |
  10222. SUPPORTED_Pause |
  10223. SUPPORTED_Asym_Pause);
  10224. break;
  10225. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10226. phy->media_type = ETH_PHY_KR;
  10227. phy->flags |= FLAGS_WC_DUAL_MODE;
  10228. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10229. SUPPORTED_FIBRE |
  10230. SUPPORTED_Pause |
  10231. SUPPORTED_Asym_Pause);
  10232. break;
  10233. default:
  10234. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10235. serdes_net_if);
  10236. break;
  10237. }
  10238. /*
  10239. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10240. * was not set as expected. For B0, ECO will be enabled so there
  10241. * won't be an issue there
  10242. */
  10243. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10244. phy->flags |= FLAGS_MDC_MDIO_WA;
  10245. else
  10246. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10247. } else {
  10248. switch (switch_cfg) {
  10249. case SWITCH_CFG_1G:
  10250. phy_addr = REG_RD(bp,
  10251. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10252. port * 0x10);
  10253. *phy = phy_serdes;
  10254. break;
  10255. case SWITCH_CFG_10G:
  10256. phy_addr = REG_RD(bp,
  10257. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10258. port * 0x18);
  10259. *phy = phy_xgxs;
  10260. break;
  10261. default:
  10262. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10263. return -EINVAL;
  10264. }
  10265. }
  10266. phy->addr = (u8)phy_addr;
  10267. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10268. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10269. port);
  10270. if (CHIP_IS_E2(bp))
  10271. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10272. else
  10273. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10274. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10275. port, phy->addr, phy->mdio_ctrl);
  10276. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10277. return 0;
  10278. }
  10279. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10280. u8 phy_index,
  10281. u32 shmem_base,
  10282. u32 shmem2_base,
  10283. u8 port,
  10284. struct bnx2x_phy *phy)
  10285. {
  10286. u32 ext_phy_config, phy_type, config2;
  10287. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10288. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10289. phy_index, port);
  10290. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10291. /* Select the phy type */
  10292. switch (phy_type) {
  10293. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10294. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10295. *phy = phy_8073;
  10296. break;
  10297. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10298. *phy = phy_8705;
  10299. break;
  10300. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10301. *phy = phy_8706;
  10302. break;
  10303. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10304. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10305. *phy = phy_8726;
  10306. break;
  10307. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10308. /* BCM8727_NOC => BCM8727 no over current */
  10309. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10310. *phy = phy_8727;
  10311. phy->flags |= FLAGS_NOC;
  10312. break;
  10313. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10314. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10315. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10316. *phy = phy_8727;
  10317. break;
  10318. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10319. *phy = phy_8481;
  10320. break;
  10321. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10322. *phy = phy_84823;
  10323. break;
  10324. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10325. *phy = phy_84833;
  10326. break;
  10327. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10328. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10329. *phy = phy_54618se;
  10330. break;
  10331. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10332. *phy = phy_7101;
  10333. break;
  10334. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10335. *phy = phy_null;
  10336. return -EINVAL;
  10337. default:
  10338. *phy = phy_null;
  10339. /* In case external PHY wasn't found */
  10340. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10341. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10342. return -EINVAL;
  10343. return 0;
  10344. }
  10345. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10346. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10347. /*
  10348. * The shmem address of the phy version is located on different
  10349. * structures. In case this structure is too old, do not set
  10350. * the address
  10351. */
  10352. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10353. dev_info.shared_hw_config.config2));
  10354. if (phy_index == EXT_PHY1) {
  10355. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10356. port_mb[port].ext_phy_fw_version);
  10357. /* Check specific mdc mdio settings */
  10358. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10359. mdc_mdio_access = config2 &
  10360. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10361. } else {
  10362. u32 size = REG_RD(bp, shmem2_base);
  10363. if (size >
  10364. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10365. phy->ver_addr = shmem2_base +
  10366. offsetof(struct shmem2_region,
  10367. ext_phy_fw_version2[port]);
  10368. }
  10369. /* Check specific mdc mdio settings */
  10370. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10371. mdc_mdio_access = (config2 &
  10372. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10373. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10374. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10375. }
  10376. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10377. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10378. (phy->ver_addr)) {
  10379. /*
  10380. * Remove 100Mb link supported for BCM84833 when phy fw
  10381. * version lower than or equal to 1.39
  10382. */
  10383. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10384. if (((raw_ver & 0x7F) <= 39) &&
  10385. (((raw_ver & 0xF80) >> 7) <= 1))
  10386. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10387. SUPPORTED_100baseT_Full);
  10388. }
  10389. /*
  10390. * In case mdc/mdio_access of the external phy is different than the
  10391. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10392. * to prevent one port interfere with another port's CL45 operations.
  10393. */
  10394. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10395. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10396. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10397. phy_type, port, phy_index);
  10398. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10399. phy->addr, phy->mdio_ctrl);
  10400. return 0;
  10401. }
  10402. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10403. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10404. {
  10405. int status = 0;
  10406. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10407. if (phy_index == INT_PHY)
  10408. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10409. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10410. port, phy);
  10411. return status;
  10412. }
  10413. static void bnx2x_phy_def_cfg(struct link_params *params,
  10414. struct bnx2x_phy *phy,
  10415. u8 phy_index)
  10416. {
  10417. struct bnx2x *bp = params->bp;
  10418. u32 link_config;
  10419. /* Populate the default phy configuration for MF mode */
  10420. if (phy_index == EXT_PHY2) {
  10421. link_config = REG_RD(bp, params->shmem_base +
  10422. offsetof(struct shmem_region, dev_info.
  10423. port_feature_config[params->port].link_config2));
  10424. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10425. offsetof(struct shmem_region,
  10426. dev_info.
  10427. port_hw_config[params->port].speed_capability_mask2));
  10428. } else {
  10429. link_config = REG_RD(bp, params->shmem_base +
  10430. offsetof(struct shmem_region, dev_info.
  10431. port_feature_config[params->port].link_config));
  10432. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10433. offsetof(struct shmem_region,
  10434. dev_info.
  10435. port_hw_config[params->port].speed_capability_mask));
  10436. }
  10437. DP(NETIF_MSG_LINK,
  10438. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10439. phy_index, link_config, phy->speed_cap_mask);
  10440. phy->req_duplex = DUPLEX_FULL;
  10441. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10442. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10443. phy->req_duplex = DUPLEX_HALF;
  10444. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10445. phy->req_line_speed = SPEED_10;
  10446. break;
  10447. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10448. phy->req_duplex = DUPLEX_HALF;
  10449. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10450. phy->req_line_speed = SPEED_100;
  10451. break;
  10452. case PORT_FEATURE_LINK_SPEED_1G:
  10453. phy->req_line_speed = SPEED_1000;
  10454. break;
  10455. case PORT_FEATURE_LINK_SPEED_2_5G:
  10456. phy->req_line_speed = SPEED_2500;
  10457. break;
  10458. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10459. phy->req_line_speed = SPEED_10000;
  10460. break;
  10461. default:
  10462. phy->req_line_speed = SPEED_AUTO_NEG;
  10463. break;
  10464. }
  10465. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10466. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10467. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10468. break;
  10469. case PORT_FEATURE_FLOW_CONTROL_TX:
  10470. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10471. break;
  10472. case PORT_FEATURE_FLOW_CONTROL_RX:
  10473. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10474. break;
  10475. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10476. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10477. break;
  10478. default:
  10479. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10480. break;
  10481. }
  10482. }
  10483. u32 bnx2x_phy_selection(struct link_params *params)
  10484. {
  10485. u32 phy_config_swapped, prio_cfg;
  10486. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10487. phy_config_swapped = params->multi_phy_config &
  10488. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10489. prio_cfg = params->multi_phy_config &
  10490. PORT_HW_CFG_PHY_SELECTION_MASK;
  10491. if (phy_config_swapped) {
  10492. switch (prio_cfg) {
  10493. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10494. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10495. break;
  10496. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10497. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10498. break;
  10499. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10500. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10501. break;
  10502. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10503. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10504. break;
  10505. }
  10506. } else
  10507. return_cfg = prio_cfg;
  10508. return return_cfg;
  10509. }
  10510. int bnx2x_phy_probe(struct link_params *params)
  10511. {
  10512. u8 phy_index, actual_phy_idx;
  10513. u32 phy_config_swapped, sync_offset, media_types;
  10514. struct bnx2x *bp = params->bp;
  10515. struct bnx2x_phy *phy;
  10516. params->num_phys = 0;
  10517. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10518. phy_config_swapped = params->multi_phy_config &
  10519. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10520. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10521. phy_index++) {
  10522. actual_phy_idx = phy_index;
  10523. if (phy_config_swapped) {
  10524. if (phy_index == EXT_PHY1)
  10525. actual_phy_idx = EXT_PHY2;
  10526. else if (phy_index == EXT_PHY2)
  10527. actual_phy_idx = EXT_PHY1;
  10528. }
  10529. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10530. " actual_phy_idx %x\n", phy_config_swapped,
  10531. phy_index, actual_phy_idx);
  10532. phy = &params->phy[actual_phy_idx];
  10533. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10534. params->shmem2_base, params->port,
  10535. phy) != 0) {
  10536. params->num_phys = 0;
  10537. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10538. phy_index);
  10539. for (phy_index = INT_PHY;
  10540. phy_index < MAX_PHYS;
  10541. phy_index++)
  10542. *phy = phy_null;
  10543. return -EINVAL;
  10544. }
  10545. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10546. break;
  10547. sync_offset = params->shmem_base +
  10548. offsetof(struct shmem_region,
  10549. dev_info.port_hw_config[params->port].media_type);
  10550. media_types = REG_RD(bp, sync_offset);
  10551. /*
  10552. * Update media type for non-PMF sync only for the first time
  10553. * In case the media type changes afterwards, it will be updated
  10554. * using the update_status function
  10555. */
  10556. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10557. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10558. actual_phy_idx))) == 0) {
  10559. media_types |= ((phy->media_type &
  10560. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10561. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10562. actual_phy_idx));
  10563. }
  10564. REG_WR(bp, sync_offset, media_types);
  10565. bnx2x_phy_def_cfg(params, phy, phy_index);
  10566. params->num_phys++;
  10567. }
  10568. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10569. return 0;
  10570. }
  10571. void bnx2x_init_bmac_loopback(struct link_params *params,
  10572. struct link_vars *vars)
  10573. {
  10574. struct bnx2x *bp = params->bp;
  10575. vars->link_up = 1;
  10576. vars->line_speed = SPEED_10000;
  10577. vars->duplex = DUPLEX_FULL;
  10578. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10579. vars->mac_type = MAC_TYPE_BMAC;
  10580. vars->phy_flags = PHY_XGXS_FLAG;
  10581. bnx2x_xgxs_deassert(params);
  10582. /* set bmac loopback */
  10583. bnx2x_bmac_enable(params, vars, 1);
  10584. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10585. }
  10586. void bnx2x_init_emac_loopback(struct link_params *params,
  10587. struct link_vars *vars)
  10588. {
  10589. struct bnx2x *bp = params->bp;
  10590. vars->link_up = 1;
  10591. vars->line_speed = SPEED_1000;
  10592. vars->duplex = DUPLEX_FULL;
  10593. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10594. vars->mac_type = MAC_TYPE_EMAC;
  10595. vars->phy_flags = PHY_XGXS_FLAG;
  10596. bnx2x_xgxs_deassert(params);
  10597. /* set bmac loopback */
  10598. bnx2x_emac_enable(params, vars, 1);
  10599. bnx2x_emac_program(params, vars);
  10600. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10601. }
  10602. void bnx2x_init_xmac_loopback(struct link_params *params,
  10603. struct link_vars *vars)
  10604. {
  10605. struct bnx2x *bp = params->bp;
  10606. vars->link_up = 1;
  10607. if (!params->req_line_speed[0])
  10608. vars->line_speed = SPEED_10000;
  10609. else
  10610. vars->line_speed = params->req_line_speed[0];
  10611. vars->duplex = DUPLEX_FULL;
  10612. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10613. vars->mac_type = MAC_TYPE_XMAC;
  10614. vars->phy_flags = PHY_XGXS_FLAG;
  10615. /*
  10616. * Set WC to loopback mode since link is required to provide clock
  10617. * to the XMAC in 20G mode
  10618. */
  10619. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10620. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10621. params->phy[INT_PHY].config_loopback(
  10622. &params->phy[INT_PHY],
  10623. params);
  10624. bnx2x_xmac_enable(params, vars, 1);
  10625. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10626. }
  10627. void bnx2x_init_umac_loopback(struct link_params *params,
  10628. struct link_vars *vars)
  10629. {
  10630. struct bnx2x *bp = params->bp;
  10631. vars->link_up = 1;
  10632. vars->line_speed = SPEED_1000;
  10633. vars->duplex = DUPLEX_FULL;
  10634. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10635. vars->mac_type = MAC_TYPE_UMAC;
  10636. vars->phy_flags = PHY_XGXS_FLAG;
  10637. bnx2x_umac_enable(params, vars, 1);
  10638. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10639. }
  10640. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10641. struct link_vars *vars)
  10642. {
  10643. struct bnx2x *bp = params->bp;
  10644. vars->link_up = 1;
  10645. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10646. vars->duplex = DUPLEX_FULL;
  10647. if (params->req_line_speed[0] == SPEED_1000)
  10648. vars->line_speed = SPEED_1000;
  10649. else
  10650. vars->line_speed = SPEED_10000;
  10651. if (!USES_WARPCORE(bp))
  10652. bnx2x_xgxs_deassert(params);
  10653. bnx2x_link_initialize(params, vars);
  10654. if (params->req_line_speed[0] == SPEED_1000) {
  10655. if (USES_WARPCORE(bp))
  10656. bnx2x_umac_enable(params, vars, 0);
  10657. else {
  10658. bnx2x_emac_program(params, vars);
  10659. bnx2x_emac_enable(params, vars, 0);
  10660. }
  10661. } else {
  10662. if (USES_WARPCORE(bp))
  10663. bnx2x_xmac_enable(params, vars, 0);
  10664. else
  10665. bnx2x_bmac_enable(params, vars, 0);
  10666. }
  10667. if (params->loopback_mode == LOOPBACK_XGXS) {
  10668. /* set 10G XGXS loopback */
  10669. params->phy[INT_PHY].config_loopback(
  10670. &params->phy[INT_PHY],
  10671. params);
  10672. } else {
  10673. /* set external phy loopback */
  10674. u8 phy_index;
  10675. for (phy_index = EXT_PHY1;
  10676. phy_index < params->num_phys; phy_index++) {
  10677. if (params->phy[phy_index].config_loopback)
  10678. params->phy[phy_index].config_loopback(
  10679. &params->phy[phy_index],
  10680. params);
  10681. }
  10682. }
  10683. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10684. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10685. }
  10686. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10687. {
  10688. struct bnx2x *bp = params->bp;
  10689. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10690. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10691. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10692. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10693. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10694. vars->link_status = 0;
  10695. vars->phy_link_up = 0;
  10696. vars->link_up = 0;
  10697. vars->line_speed = 0;
  10698. vars->duplex = DUPLEX_FULL;
  10699. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10700. vars->mac_type = MAC_TYPE_NONE;
  10701. vars->phy_flags = 0;
  10702. /* disable attentions */
  10703. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10704. (NIG_MASK_XGXS0_LINK_STATUS |
  10705. NIG_MASK_XGXS0_LINK10G |
  10706. NIG_MASK_SERDES0_LINK_STATUS |
  10707. NIG_MASK_MI_INT));
  10708. bnx2x_emac_init(params, vars);
  10709. if (params->num_phys == 0) {
  10710. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10711. return -EINVAL;
  10712. }
  10713. set_phy_vars(params, vars);
  10714. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10715. switch (params->loopback_mode) {
  10716. case LOOPBACK_BMAC:
  10717. bnx2x_init_bmac_loopback(params, vars);
  10718. break;
  10719. case LOOPBACK_EMAC:
  10720. bnx2x_init_emac_loopback(params, vars);
  10721. break;
  10722. case LOOPBACK_XMAC:
  10723. bnx2x_init_xmac_loopback(params, vars);
  10724. break;
  10725. case LOOPBACK_UMAC:
  10726. bnx2x_init_umac_loopback(params, vars);
  10727. break;
  10728. case LOOPBACK_XGXS:
  10729. case LOOPBACK_EXT_PHY:
  10730. bnx2x_init_xgxs_loopback(params, vars);
  10731. break;
  10732. default:
  10733. if (!CHIP_IS_E3(bp)) {
  10734. if (params->switch_cfg == SWITCH_CFG_10G)
  10735. bnx2x_xgxs_deassert(params);
  10736. else
  10737. bnx2x_serdes_deassert(bp, params->port);
  10738. }
  10739. bnx2x_link_initialize(params, vars);
  10740. msleep(30);
  10741. bnx2x_link_int_enable(params);
  10742. break;
  10743. }
  10744. return 0;
  10745. }
  10746. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10747. u8 reset_ext_phy)
  10748. {
  10749. struct bnx2x *bp = params->bp;
  10750. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10751. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10752. /* disable attentions */
  10753. vars->link_status = 0;
  10754. bnx2x_update_mng(params, vars->link_status);
  10755. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10756. (NIG_MASK_XGXS0_LINK_STATUS |
  10757. NIG_MASK_XGXS0_LINK10G |
  10758. NIG_MASK_SERDES0_LINK_STATUS |
  10759. NIG_MASK_MI_INT));
  10760. /* activate nig drain */
  10761. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10762. /* disable nig egress interface */
  10763. if (!CHIP_IS_E3(bp)) {
  10764. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10765. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10766. }
  10767. /* Stop BigMac rx */
  10768. if (!CHIP_IS_E3(bp))
  10769. bnx2x_bmac_rx_disable(bp, port);
  10770. else {
  10771. bnx2x_xmac_disable(params);
  10772. bnx2x_umac_disable(params);
  10773. }
  10774. /* disable emac */
  10775. if (!CHIP_IS_E3(bp))
  10776. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10777. msleep(10);
  10778. /* The PHY reset is controlled by GPIO 1
  10779. * Hold it as vars low
  10780. */
  10781. /* clear link led */
  10782. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10783. if (reset_ext_phy) {
  10784. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10785. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10786. phy_index++) {
  10787. if (params->phy[phy_index].link_reset) {
  10788. bnx2x_set_aer_mmd(params,
  10789. &params->phy[phy_index]);
  10790. params->phy[phy_index].link_reset(
  10791. &params->phy[phy_index],
  10792. params);
  10793. }
  10794. if (params->phy[phy_index].flags &
  10795. FLAGS_REARM_LATCH_SIGNAL)
  10796. clear_latch_ind = 1;
  10797. }
  10798. }
  10799. if (clear_latch_ind) {
  10800. /* Clear latching indication */
  10801. bnx2x_rearm_latch_signal(bp, port, 0);
  10802. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10803. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10804. }
  10805. if (params->phy[INT_PHY].link_reset)
  10806. params->phy[INT_PHY].link_reset(
  10807. &params->phy[INT_PHY], params);
  10808. /* disable nig ingress interface */
  10809. if (!CHIP_IS_E3(bp)) {
  10810. /* reset BigMac */
  10811. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10812. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10813. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10814. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10815. } else {
  10816. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10817. bnx2x_set_xumac_nig(params, 0, 0);
  10818. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10819. MISC_REGISTERS_RESET_REG_2_XMAC)
  10820. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10821. XMAC_CTRL_REG_SOFT_RESET);
  10822. }
  10823. vars->link_up = 0;
  10824. vars->phy_flags = 0;
  10825. return 0;
  10826. }
  10827. /****************************************************************************/
  10828. /* Common function */
  10829. /****************************************************************************/
  10830. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10831. u32 shmem_base_path[],
  10832. u32 shmem2_base_path[], u8 phy_index,
  10833. u32 chip_id)
  10834. {
  10835. struct bnx2x_phy phy[PORT_MAX];
  10836. struct bnx2x_phy *phy_blk[PORT_MAX];
  10837. u16 val;
  10838. s8 port = 0;
  10839. s8 port_of_path = 0;
  10840. u32 swap_val, swap_override;
  10841. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10842. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10843. port ^= (swap_val && swap_override);
  10844. bnx2x_ext_phy_hw_reset(bp, port);
  10845. /* PART1 - Reset both phys */
  10846. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10847. u32 shmem_base, shmem2_base;
  10848. /* In E2, same phy is using for port0 of the two paths */
  10849. if (CHIP_IS_E1x(bp)) {
  10850. shmem_base = shmem_base_path[0];
  10851. shmem2_base = shmem2_base_path[0];
  10852. port_of_path = port;
  10853. } else {
  10854. shmem_base = shmem_base_path[port];
  10855. shmem2_base = shmem2_base_path[port];
  10856. port_of_path = 0;
  10857. }
  10858. /* Extract the ext phy address for the port */
  10859. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10860. port_of_path, &phy[port]) !=
  10861. 0) {
  10862. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10863. return -EINVAL;
  10864. }
  10865. /* disable attentions */
  10866. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10867. port_of_path*4,
  10868. (NIG_MASK_XGXS0_LINK_STATUS |
  10869. NIG_MASK_XGXS0_LINK10G |
  10870. NIG_MASK_SERDES0_LINK_STATUS |
  10871. NIG_MASK_MI_INT));
  10872. /* Need to take the phy out of low power mode in order
  10873. to write to access its registers */
  10874. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10875. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10876. port);
  10877. /* Reset the phy */
  10878. bnx2x_cl45_write(bp, &phy[port],
  10879. MDIO_PMA_DEVAD,
  10880. MDIO_PMA_REG_CTRL,
  10881. 1<<15);
  10882. }
  10883. /* Add delay of 150ms after reset */
  10884. msleep(150);
  10885. if (phy[PORT_0].addr & 0x1) {
  10886. phy_blk[PORT_0] = &(phy[PORT_1]);
  10887. phy_blk[PORT_1] = &(phy[PORT_0]);
  10888. } else {
  10889. phy_blk[PORT_0] = &(phy[PORT_0]);
  10890. phy_blk[PORT_1] = &(phy[PORT_1]);
  10891. }
  10892. /* PART2 - Download firmware to both phys */
  10893. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10894. if (CHIP_IS_E1x(bp))
  10895. port_of_path = port;
  10896. else
  10897. port_of_path = 0;
  10898. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10899. phy_blk[port]->addr);
  10900. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10901. port_of_path))
  10902. return -EINVAL;
  10903. /* Only set bit 10 = 1 (Tx power down) */
  10904. bnx2x_cl45_read(bp, phy_blk[port],
  10905. MDIO_PMA_DEVAD,
  10906. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10907. /* Phase1 of TX_POWER_DOWN reset */
  10908. bnx2x_cl45_write(bp, phy_blk[port],
  10909. MDIO_PMA_DEVAD,
  10910. MDIO_PMA_REG_TX_POWER_DOWN,
  10911. (val | 1<<10));
  10912. }
  10913. /*
  10914. * Toggle Transmitter: Power down and then up with 600ms delay
  10915. * between
  10916. */
  10917. msleep(600);
  10918. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10919. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10920. /* Phase2 of POWER_DOWN_RESET */
  10921. /* Release bit 10 (Release Tx power down) */
  10922. bnx2x_cl45_read(bp, phy_blk[port],
  10923. MDIO_PMA_DEVAD,
  10924. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10925. bnx2x_cl45_write(bp, phy_blk[port],
  10926. MDIO_PMA_DEVAD,
  10927. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10928. msleep(15);
  10929. /* Read modify write the SPI-ROM version select register */
  10930. bnx2x_cl45_read(bp, phy_blk[port],
  10931. MDIO_PMA_DEVAD,
  10932. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10933. bnx2x_cl45_write(bp, phy_blk[port],
  10934. MDIO_PMA_DEVAD,
  10935. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10936. /* set GPIO2 back to LOW */
  10937. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10938. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10939. }
  10940. return 0;
  10941. }
  10942. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10943. u32 shmem_base_path[],
  10944. u32 shmem2_base_path[], u8 phy_index,
  10945. u32 chip_id)
  10946. {
  10947. u32 val;
  10948. s8 port;
  10949. struct bnx2x_phy phy;
  10950. /* Use port1 because of the static port-swap */
  10951. /* Enable the module detection interrupt */
  10952. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10953. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10954. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10955. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10956. bnx2x_ext_phy_hw_reset(bp, 0);
  10957. msleep(5);
  10958. for (port = 0; port < PORT_MAX; port++) {
  10959. u32 shmem_base, shmem2_base;
  10960. /* In E2, same phy is using for port0 of the two paths */
  10961. if (CHIP_IS_E1x(bp)) {
  10962. shmem_base = shmem_base_path[0];
  10963. shmem2_base = shmem2_base_path[0];
  10964. } else {
  10965. shmem_base = shmem_base_path[port];
  10966. shmem2_base = shmem2_base_path[port];
  10967. }
  10968. /* Extract the ext phy address for the port */
  10969. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10970. port, &phy) !=
  10971. 0) {
  10972. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10973. return -EINVAL;
  10974. }
  10975. /* Reset phy*/
  10976. bnx2x_cl45_write(bp, &phy,
  10977. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10978. /* Set fault module detected LED on */
  10979. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10980. MISC_REGISTERS_GPIO_HIGH,
  10981. port);
  10982. }
  10983. return 0;
  10984. }
  10985. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10986. u8 *io_gpio, u8 *io_port)
  10987. {
  10988. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10989. offsetof(struct shmem_region,
  10990. dev_info.port_hw_config[PORT_0].default_cfg));
  10991. switch (phy_gpio_reset) {
  10992. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10993. *io_gpio = 0;
  10994. *io_port = 0;
  10995. break;
  10996. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10997. *io_gpio = 1;
  10998. *io_port = 0;
  10999. break;
  11000. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11001. *io_gpio = 2;
  11002. *io_port = 0;
  11003. break;
  11004. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11005. *io_gpio = 3;
  11006. *io_port = 0;
  11007. break;
  11008. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11009. *io_gpio = 0;
  11010. *io_port = 1;
  11011. break;
  11012. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11013. *io_gpio = 1;
  11014. *io_port = 1;
  11015. break;
  11016. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11017. *io_gpio = 2;
  11018. *io_port = 1;
  11019. break;
  11020. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11021. *io_gpio = 3;
  11022. *io_port = 1;
  11023. break;
  11024. default:
  11025. /* Don't override the io_gpio and io_port */
  11026. break;
  11027. }
  11028. }
  11029. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11030. u32 shmem_base_path[],
  11031. u32 shmem2_base_path[], u8 phy_index,
  11032. u32 chip_id)
  11033. {
  11034. s8 port, reset_gpio;
  11035. u32 swap_val, swap_override;
  11036. struct bnx2x_phy phy[PORT_MAX];
  11037. struct bnx2x_phy *phy_blk[PORT_MAX];
  11038. s8 port_of_path;
  11039. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11040. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11041. reset_gpio = MISC_REGISTERS_GPIO_1;
  11042. port = 1;
  11043. /*
  11044. * Retrieve the reset gpio/port which control the reset.
  11045. * Default is GPIO1, PORT1
  11046. */
  11047. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11048. (u8 *)&reset_gpio, (u8 *)&port);
  11049. /* Calculate the port based on port swap */
  11050. port ^= (swap_val && swap_override);
  11051. /* Initiate PHY reset*/
  11052. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11053. port);
  11054. msleep(1);
  11055. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11056. port);
  11057. msleep(5);
  11058. /* PART1 - Reset both phys */
  11059. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11060. u32 shmem_base, shmem2_base;
  11061. /* In E2, same phy is using for port0 of the two paths */
  11062. if (CHIP_IS_E1x(bp)) {
  11063. shmem_base = shmem_base_path[0];
  11064. shmem2_base = shmem2_base_path[0];
  11065. port_of_path = port;
  11066. } else {
  11067. shmem_base = shmem_base_path[port];
  11068. shmem2_base = shmem2_base_path[port];
  11069. port_of_path = 0;
  11070. }
  11071. /* Extract the ext phy address for the port */
  11072. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11073. port_of_path, &phy[port]) !=
  11074. 0) {
  11075. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11076. return -EINVAL;
  11077. }
  11078. /* disable attentions */
  11079. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11080. port_of_path*4,
  11081. (NIG_MASK_XGXS0_LINK_STATUS |
  11082. NIG_MASK_XGXS0_LINK10G |
  11083. NIG_MASK_SERDES0_LINK_STATUS |
  11084. NIG_MASK_MI_INT));
  11085. /* Reset the phy */
  11086. bnx2x_cl45_write(bp, &phy[port],
  11087. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11088. }
  11089. /* Add delay of 150ms after reset */
  11090. msleep(150);
  11091. if (phy[PORT_0].addr & 0x1) {
  11092. phy_blk[PORT_0] = &(phy[PORT_1]);
  11093. phy_blk[PORT_1] = &(phy[PORT_0]);
  11094. } else {
  11095. phy_blk[PORT_0] = &(phy[PORT_0]);
  11096. phy_blk[PORT_1] = &(phy[PORT_1]);
  11097. }
  11098. /* PART2 - Download firmware to both phys */
  11099. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11100. if (CHIP_IS_E1x(bp))
  11101. port_of_path = port;
  11102. else
  11103. port_of_path = 0;
  11104. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11105. phy_blk[port]->addr);
  11106. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11107. port_of_path))
  11108. return -EINVAL;
  11109. /* Disable PHY transmitter output */
  11110. bnx2x_cl45_write(bp, phy_blk[port],
  11111. MDIO_PMA_DEVAD,
  11112. MDIO_PMA_REG_TX_DISABLE, 1);
  11113. }
  11114. return 0;
  11115. }
  11116. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11117. u32 shmem_base_path[],
  11118. u32 shmem2_base_path[],
  11119. u8 phy_index,
  11120. u32 chip_id)
  11121. {
  11122. u8 reset_gpios;
  11123. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11124. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11125. udelay(10);
  11126. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11127. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11128. reset_gpios);
  11129. return 0;
  11130. }
  11131. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11132. struct bnx2x_phy *phy)
  11133. {
  11134. u16 val, cnt;
  11135. /* Wait for FW completing its initialization. */
  11136. for (cnt = 0; cnt < 1500; cnt++) {
  11137. bnx2x_cl45_read(bp, phy,
  11138. MDIO_PMA_DEVAD,
  11139. MDIO_PMA_REG_CTRL, &val);
  11140. if (!(val & (1<<15)))
  11141. break;
  11142. msleep(1);
  11143. }
  11144. if (cnt >= 1500) {
  11145. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11146. return -EINVAL;
  11147. }
  11148. /* Put the port in super isolate mode. */
  11149. bnx2x_cl45_read(bp, phy,
  11150. MDIO_CTL_DEVAD,
  11151. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11152. val |= MDIO_84833_SUPER_ISOLATE;
  11153. bnx2x_cl45_write(bp, phy,
  11154. MDIO_CTL_DEVAD,
  11155. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11156. /* Save spirom version */
  11157. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11158. return 0;
  11159. }
  11160. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11161. u32 shmem_base,
  11162. u32 shmem2_base,
  11163. u32 chip_id)
  11164. {
  11165. int rc = 0;
  11166. struct bnx2x_phy phy;
  11167. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11168. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11169. PORT_0, &phy)) {
  11170. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11171. return -EINVAL;
  11172. }
  11173. switch (phy.type) {
  11174. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11175. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11176. break;
  11177. default:
  11178. break;
  11179. }
  11180. return rc;
  11181. }
  11182. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11183. u32 shmem2_base_path[], u8 phy_index,
  11184. u32 ext_phy_type, u32 chip_id)
  11185. {
  11186. int rc = 0;
  11187. switch (ext_phy_type) {
  11188. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11189. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11190. shmem2_base_path,
  11191. phy_index, chip_id);
  11192. break;
  11193. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11194. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11195. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11196. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11197. shmem2_base_path,
  11198. phy_index, chip_id);
  11199. break;
  11200. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11201. /*
  11202. * GPIO1 affects both ports, so there's need to pull
  11203. * it for single port alone
  11204. */
  11205. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11206. shmem2_base_path,
  11207. phy_index, chip_id);
  11208. break;
  11209. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11210. /*
  11211. * GPIO3's are linked, and so both need to be toggled
  11212. * to obtain required 2us pulse.
  11213. */
  11214. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11215. shmem2_base_path,
  11216. phy_index, chip_id);
  11217. break;
  11218. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11219. rc = -EINVAL;
  11220. break;
  11221. default:
  11222. DP(NETIF_MSG_LINK,
  11223. "ext_phy 0x%x common init not required\n",
  11224. ext_phy_type);
  11225. break;
  11226. }
  11227. if (rc != 0)
  11228. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11229. " Port %d\n",
  11230. 0);
  11231. return rc;
  11232. }
  11233. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11234. u32 shmem2_base_path[], u32 chip_id)
  11235. {
  11236. int rc = 0;
  11237. u32 phy_ver, val;
  11238. u8 phy_index = 0;
  11239. u32 ext_phy_type, ext_phy_config;
  11240. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11241. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11242. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11243. if (CHIP_IS_E3(bp)) {
  11244. /* Enable EPIO */
  11245. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11246. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11247. }
  11248. /* Check if common init was already done */
  11249. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11250. offsetof(struct shmem_region,
  11251. port_mb[PORT_0].ext_phy_fw_version));
  11252. if (phy_ver) {
  11253. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11254. phy_ver);
  11255. return 0;
  11256. }
  11257. /* Read the ext_phy_type for arbitrary port(0) */
  11258. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11259. phy_index++) {
  11260. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11261. shmem_base_path[0],
  11262. phy_index, 0);
  11263. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11264. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11265. shmem2_base_path,
  11266. phy_index, ext_phy_type,
  11267. chip_id);
  11268. }
  11269. return rc;
  11270. }
  11271. static void bnx2x_check_over_curr(struct link_params *params,
  11272. struct link_vars *vars)
  11273. {
  11274. struct bnx2x *bp = params->bp;
  11275. u32 cfg_pin;
  11276. u8 port = params->port;
  11277. u32 pin_val;
  11278. cfg_pin = (REG_RD(bp, params->shmem_base +
  11279. offsetof(struct shmem_region,
  11280. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11281. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11282. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11283. /* Ignore check if no external input PIN available */
  11284. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11285. return;
  11286. if (!pin_val) {
  11287. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11288. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11289. " been detected and the power to "
  11290. "that SFP+ module has been removed"
  11291. " to prevent failure of the card."
  11292. " Please remove the SFP+ module and"
  11293. " restart the system to clear this"
  11294. " error.\n",
  11295. params->port);
  11296. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11297. }
  11298. } else
  11299. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11300. }
  11301. static void bnx2x_analyze_link_error(struct link_params *params,
  11302. struct link_vars *vars, u32 lss_status)
  11303. {
  11304. struct bnx2x *bp = params->bp;
  11305. /* Compare new value with previous value */
  11306. u8 led_mode;
  11307. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11308. if ((lss_status ^ half_open_conn) == 0)
  11309. return;
  11310. /* If values differ */
  11311. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11312. half_open_conn, lss_status);
  11313. /*
  11314. * a. Update shmem->link_status accordingly
  11315. * b. Update link_vars->link_up
  11316. */
  11317. if (lss_status) {
  11318. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11319. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11320. vars->link_up = 0;
  11321. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11322. /*
  11323. * Set LED mode to off since the PHY doesn't know about these
  11324. * errors
  11325. */
  11326. led_mode = LED_MODE_OFF;
  11327. } else {
  11328. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11329. vars->link_status |= LINK_STATUS_LINK_UP;
  11330. vars->link_up = 1;
  11331. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11332. led_mode = LED_MODE_OPER;
  11333. }
  11334. /* Update the LED according to the link state */
  11335. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11336. /* Update link status in the shared memory */
  11337. bnx2x_update_mng(params, vars->link_status);
  11338. /* C. Trigger General Attention */
  11339. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11340. bnx2x_notify_link_changed(bp);
  11341. }
  11342. /******************************************************************************
  11343. * Description:
  11344. * This function checks for half opened connection change indication.
  11345. * When such change occurs, it calls the bnx2x_analyze_link_error
  11346. * to check if Remote Fault is set or cleared. Reception of remote fault
  11347. * status message in the MAC indicates that the peer's MAC has detected
  11348. * a fault, for example, due to break in the TX side of fiber.
  11349. *
  11350. ******************************************************************************/
  11351. static void bnx2x_check_half_open_conn(struct link_params *params,
  11352. struct link_vars *vars)
  11353. {
  11354. struct bnx2x *bp = params->bp;
  11355. u32 lss_status = 0;
  11356. u32 mac_base;
  11357. /* In case link status is physically up @ 10G do */
  11358. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11359. return;
  11360. if (CHIP_IS_E3(bp) &&
  11361. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11362. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11363. /* Check E3 XMAC */
  11364. /*
  11365. * Note that link speed cannot be queried here, since it may be
  11366. * zero while link is down. In case UMAC is active, LSS will
  11367. * simply not be set
  11368. */
  11369. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11370. /* Clear stick bits (Requires rising edge) */
  11371. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11372. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11373. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11374. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11375. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11376. lss_status = 1;
  11377. bnx2x_analyze_link_error(params, vars, lss_status);
  11378. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11379. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11380. /* Check E1X / E2 BMAC */
  11381. u32 lss_status_reg;
  11382. u32 wb_data[2];
  11383. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11384. NIG_REG_INGRESS_BMAC0_MEM;
  11385. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11386. if (CHIP_IS_E2(bp))
  11387. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11388. else
  11389. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11390. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11391. lss_status = (wb_data[0] > 0);
  11392. bnx2x_analyze_link_error(params, vars, lss_status);
  11393. }
  11394. }
  11395. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11396. {
  11397. struct bnx2x *bp = params->bp;
  11398. u16 phy_idx;
  11399. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11400. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11401. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11402. bnx2x_check_half_open_conn(params, vars);
  11403. break;
  11404. }
  11405. }
  11406. if (CHIP_IS_E3(bp)) {
  11407. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11408. bnx2x_set_aer_mmd(params, phy);
  11409. bnx2x_check_over_curr(params, vars);
  11410. bnx2x_warpcore_config_runtime(phy, params, vars);
  11411. }
  11412. }
  11413. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11414. {
  11415. u8 phy_index;
  11416. struct bnx2x_phy phy;
  11417. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11418. phy_index++) {
  11419. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11420. 0, &phy) != 0) {
  11421. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11422. return 0;
  11423. }
  11424. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11425. return 1;
  11426. }
  11427. return 0;
  11428. }
  11429. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11430. u32 shmem_base,
  11431. u32 shmem2_base,
  11432. u8 port)
  11433. {
  11434. u8 phy_index, fan_failure_det_req = 0;
  11435. struct bnx2x_phy phy;
  11436. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11437. phy_index++) {
  11438. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11439. port, &phy)
  11440. != 0) {
  11441. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11442. return 0;
  11443. }
  11444. fan_failure_det_req |= (phy.flags &
  11445. FLAGS_FAN_FAILURE_DET_REQ);
  11446. }
  11447. return fan_failure_det_req;
  11448. }
  11449. void bnx2x_hw_reset_phy(struct link_params *params)
  11450. {
  11451. u8 phy_index;
  11452. struct bnx2x *bp = params->bp;
  11453. bnx2x_update_mng(params, 0);
  11454. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11455. (NIG_MASK_XGXS0_LINK_STATUS |
  11456. NIG_MASK_XGXS0_LINK10G |
  11457. NIG_MASK_SERDES0_LINK_STATUS |
  11458. NIG_MASK_MI_INT));
  11459. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11460. phy_index++) {
  11461. if (params->phy[phy_index].hw_reset) {
  11462. params->phy[phy_index].hw_reset(
  11463. &params->phy[phy_index],
  11464. params);
  11465. params->phy[phy_index] = phy_null;
  11466. }
  11467. }
  11468. }
  11469. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11470. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11471. u8 port)
  11472. {
  11473. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11474. u32 val;
  11475. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11476. if (CHIP_IS_E3(bp)) {
  11477. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11478. shmem_base,
  11479. port,
  11480. &gpio_num,
  11481. &gpio_port) != 0)
  11482. return;
  11483. } else {
  11484. struct bnx2x_phy phy;
  11485. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11486. phy_index++) {
  11487. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11488. shmem2_base, port, &phy)
  11489. != 0) {
  11490. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11491. return;
  11492. }
  11493. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11494. gpio_num = MISC_REGISTERS_GPIO_3;
  11495. gpio_port = port;
  11496. break;
  11497. }
  11498. }
  11499. }
  11500. if (gpio_num == 0xff)
  11501. return;
  11502. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11503. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11504. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11505. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11506. gpio_port ^= (swap_val && swap_override);
  11507. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11508. (gpio_num + (gpio_port << 2));
  11509. sync_offset = shmem_base +
  11510. offsetof(struct shmem_region,
  11511. dev_info.port_hw_config[port].aeu_int_mask);
  11512. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11513. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11514. gpio_num, gpio_port, vars->aeu_int_mask);
  11515. if (port == 0)
  11516. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11517. else
  11518. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11519. /* Open appropriate AEU for interrupts */
  11520. aeu_mask = REG_RD(bp, offset);
  11521. aeu_mask |= vars->aeu_int_mask;
  11522. REG_WR(bp, offset, aeu_mask);
  11523. /* Enable the GPIO to trigger interrupt */
  11524. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11525. val |= 1 << (gpio_num + (gpio_port << 2));
  11526. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11527. }