bnx2x_link.c 368 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB default for class 0 E2 */
  145. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  146. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  147. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  148. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  149. /* BRB thresholds for E2*/
  150. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  151. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  153. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  154. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  155. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  156. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  157. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  158. /* BRB default for class 0 E3A0 */
  159. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  160. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  161. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  162. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  163. /* BRB thresholds for E3A0 */
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  167. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  168. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  169. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  170. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  171. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  172. /* BRB default for E3B0 */
  173. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  174. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  175. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  176. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  177. /* BRB thresholds for E3B0 2 port mode*/
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  181. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  184. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  185. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  186. /* only for E3B0*/
  187. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  188. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  189. /* Lossy +Lossless GUARANTIED == GUART */
  190. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  191. /* Lossless +Lossless*/
  192. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  193. /* Lossy +Lossy*/
  194. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  195. /* Lossy +Lossless*/
  196. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  197. /* Lossless +Lossless*/
  198. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  199. /* Lossy +Lossy*/
  200. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  201. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  202. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  203. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  204. /* BRB thresholds for E3B0 4 port mode */
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  208. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  211. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  212. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  213. /* only for E3B0*/
  214. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  215. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  216. #define PFC_E3B0_4P_LB_GUART 120
  217. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  218. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  219. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  220. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  221. /* Pause defines*/
  222. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  223. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  224. #define DEFAULT_E3B0_LB_GUART 40
  225. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  227. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  228. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  229. /* ETS defines*/
  230. #define DCBX_INVALID_COS (0xFF)
  231. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  232. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  233. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  234. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  235. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  236. #define MAX_PACKET_SIZE (9700)
  237. #define WC_UC_TIMEOUT 100
  238. #define MAX_KR_LINK_RETRY 4
  239. /**********************************************************/
  240. /* INTERFACE */
  241. /**********************************************************/
  242. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  243. bnx2x_cl45_write(_bp, _phy, \
  244. (_phy)->def_md_devad, \
  245. (_bank + (_addr & 0xf)), \
  246. _val)
  247. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  248. bnx2x_cl45_read(_bp, _phy, \
  249. (_phy)->def_md_devad, \
  250. (_bank + (_addr & 0xf)), \
  251. _val)
  252. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  253. {
  254. u32 val = REG_RD(bp, reg);
  255. val |= bits;
  256. REG_WR(bp, reg, val);
  257. return val;
  258. }
  259. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  260. {
  261. u32 val = REG_RD(bp, reg);
  262. val &= ~bits;
  263. REG_WR(bp, reg, val);
  264. return val;
  265. }
  266. /******************************************************************/
  267. /* EPIO/GPIO section */
  268. /******************************************************************/
  269. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  270. {
  271. u32 epio_mask, gp_oenable;
  272. *en = 0;
  273. /* Sanity check */
  274. if (epio_pin > 31) {
  275. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  276. return;
  277. }
  278. epio_mask = 1 << epio_pin;
  279. /* Set this EPIO to output */
  280. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  281. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  282. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  283. }
  284. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  285. {
  286. u32 epio_mask, gp_output, gp_oenable;
  287. /* Sanity check */
  288. if (epio_pin > 31) {
  289. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  290. return;
  291. }
  292. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  293. epio_mask = 1 << epio_pin;
  294. /* Set this EPIO to output */
  295. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  296. if (en)
  297. gp_output |= epio_mask;
  298. else
  299. gp_output &= ~epio_mask;
  300. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  301. /* Set the value for this EPIO */
  302. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  303. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  304. }
  305. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  306. {
  307. if (pin_cfg == PIN_CFG_NA)
  308. return;
  309. if (pin_cfg >= PIN_CFG_EPIO0) {
  310. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  311. } else {
  312. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  313. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  314. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  315. }
  316. }
  317. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  318. {
  319. if (pin_cfg == PIN_CFG_NA)
  320. return -EINVAL;
  321. if (pin_cfg >= PIN_CFG_EPIO0) {
  322. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  323. } else {
  324. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  325. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  326. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  327. }
  328. return 0;
  329. }
  330. /******************************************************************/
  331. /* ETS section */
  332. /******************************************************************/
  333. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  334. {
  335. /* ETS disabled configuration*/
  336. struct bnx2x *bp = params->bp;
  337. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  338. /*
  339. * mapping between entry priority to client number (0,1,2 -debug and
  340. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  341. * 3bits client num.
  342. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  343. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  344. */
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  346. /*
  347. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  348. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  349. * COS0 entry, 4 - COS1 entry.
  350. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  351. * bit4 bit3 bit2 bit1 bit0
  352. * MCP and debug are strict
  353. */
  354. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  355. /* defines which entries (clients) are subjected to WFQ arbitration */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  357. /*
  358. * For strict priority entries defines the number of consecutive
  359. * slots for the highest priority.
  360. */
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  362. /*
  363. * mapping between the CREDIT_WEIGHT registers and actual client
  364. * numbers
  365. */
  366. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  367. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  368. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  369. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  370. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  371. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  372. /* ETS mode disable */
  373. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  374. /*
  375. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  376. * weight for COS0/COS1.
  377. */
  378. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  379. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  380. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  381. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  382. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  383. /* Defines the number of consecutive slots for the strict priority */
  384. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  385. }
  386. /******************************************************************************
  387. * Description:
  388. * Getting min_w_val will be set according to line speed .
  389. *.
  390. ******************************************************************************/
  391. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  392. {
  393. u32 min_w_val = 0;
  394. /* Calculate min_w_val.*/
  395. if (vars->link_up) {
  396. if (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. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1413. udelay(50);
  1414. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1415. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1416. ((params->mac_addr[2] << 24) |
  1417. (params->mac_addr[3] << 16) |
  1418. (params->mac_addr[4] << 8) |
  1419. (params->mac_addr[5])));
  1420. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1421. ((params->mac_addr[0] << 8) |
  1422. (params->mac_addr[1])));
  1423. /* Enable RX and TX */
  1424. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1425. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1426. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1427. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1428. udelay(50);
  1429. /* Remove SW Reset */
  1430. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1431. /* Check loopback mode */
  1432. if (lb)
  1433. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1434. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1435. /*
  1436. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1437. * length used by the MAC receive logic to check frames.
  1438. */
  1439. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1440. bnx2x_set_xumac_nig(params,
  1441. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1442. vars->mac_type = MAC_TYPE_UMAC;
  1443. }
  1444. /* Define the XMAC mode */
  1445. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1446. {
  1447. struct bnx2x *bp = params->bp;
  1448. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1449. /*
  1450. * In 4-port mode, need to set the mode only once, so if XMAC is
  1451. * already out of reset, it means the mode has already been set,
  1452. * and it must not* reset the XMAC again, since it controls both
  1453. * ports of the path
  1454. */
  1455. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1456. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1457. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1458. DP(NETIF_MSG_LINK,
  1459. "XMAC already out of reset in 4-port mode\n");
  1460. return;
  1461. }
  1462. /* Hard reset */
  1463. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1464. MISC_REGISTERS_RESET_REG_2_XMAC);
  1465. usleep_range(1000, 1000);
  1466. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1467. MISC_REGISTERS_RESET_REG_2_XMAC);
  1468. if (is_port4mode) {
  1469. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1470. /* Set the number of ports on the system side to up to 2 */
  1471. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1472. /* Set the number of ports on the Warp Core to 10G */
  1473. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1474. } else {
  1475. /* Set the number of ports on the system side to 1 */
  1476. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1477. if (max_speed == SPEED_10000) {
  1478. DP(NETIF_MSG_LINK,
  1479. "Init XMAC to 10G x 1 port per path\n");
  1480. /* Set the number of ports on the Warp Core to 10G */
  1481. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1482. } else {
  1483. DP(NETIF_MSG_LINK,
  1484. "Init XMAC to 20G x 2 ports per path\n");
  1485. /* Set the number of ports on the Warp Core to 20G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1487. }
  1488. }
  1489. /* Soft reset */
  1490. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1491. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1492. usleep_range(1000, 1000);
  1493. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1494. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1495. }
  1496. static void bnx2x_xmac_disable(struct link_params *params)
  1497. {
  1498. u8 port = params->port;
  1499. struct bnx2x *bp = params->bp;
  1500. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1501. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1502. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1503. /*
  1504. * Send an indication to change the state in the NIG back to XON
  1505. * Clearing this bit enables the next set of this bit to get
  1506. * rising edge
  1507. */
  1508. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1509. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1510. (pfc_ctrl & ~(1<<1)));
  1511. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1512. (pfc_ctrl | (1<<1)));
  1513. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1514. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1515. }
  1516. }
  1517. static int bnx2x_xmac_enable(struct link_params *params,
  1518. struct link_vars *vars, u8 lb)
  1519. {
  1520. u32 val, xmac_base;
  1521. struct bnx2x *bp = params->bp;
  1522. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1523. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1524. bnx2x_xmac_init(params, vars->line_speed);
  1525. /*
  1526. * This register determines on which events the MAC will assert
  1527. * error on the i/f to the NIG along w/ EOP.
  1528. */
  1529. /*
  1530. * This register tells the NIG whether to send traffic to UMAC
  1531. * or XMAC
  1532. */
  1533. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1534. /* Set Max packet size */
  1535. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1536. /* CRC append for Tx packets */
  1537. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1538. /* update PFC */
  1539. bnx2x_update_pfc_xmac(params, vars, 0);
  1540. /* Enable TX and RX */
  1541. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1542. /* Check loopback mode */
  1543. if (lb)
  1544. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1545. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1546. bnx2x_set_xumac_nig(params,
  1547. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1548. vars->mac_type = MAC_TYPE_XMAC;
  1549. return 0;
  1550. }
  1551. static int bnx2x_emac_enable(struct link_params *params,
  1552. struct link_vars *vars, u8 lb)
  1553. {
  1554. struct bnx2x *bp = params->bp;
  1555. u8 port = params->port;
  1556. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1557. u32 val;
  1558. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1559. /* Disable BMAC */
  1560. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1561. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1562. /* enable emac and not bmac */
  1563. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1564. /* ASIC */
  1565. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1566. u32 ser_lane = ((params->lane_config &
  1567. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1569. DP(NETIF_MSG_LINK, "XGXS\n");
  1570. /* select the master lanes (out of 0-3) */
  1571. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1572. /* select XGXS */
  1573. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1574. } else { /* SerDes */
  1575. DP(NETIF_MSG_LINK, "SerDes\n");
  1576. /* select SerDes */
  1577. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1578. }
  1579. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1580. EMAC_RX_MODE_RESET);
  1581. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1582. EMAC_TX_MODE_RESET);
  1583. if (CHIP_REV_IS_SLOW(bp)) {
  1584. /* config GMII mode */
  1585. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1586. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1587. } else { /* ASIC */
  1588. /* pause enable/disable */
  1589. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1590. EMAC_RX_MODE_FLOW_EN);
  1591. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1592. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1593. EMAC_TX_MODE_FLOW_EN));
  1594. if (!(params->feature_config_flags &
  1595. FEATURE_CONFIG_PFC_ENABLED)) {
  1596. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1597. bnx2x_bits_en(bp, emac_base +
  1598. EMAC_REG_EMAC_RX_MODE,
  1599. EMAC_RX_MODE_FLOW_EN);
  1600. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1601. bnx2x_bits_en(bp, emac_base +
  1602. EMAC_REG_EMAC_TX_MODE,
  1603. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1604. EMAC_TX_MODE_FLOW_EN));
  1605. } else
  1606. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1607. EMAC_TX_MODE_FLOW_EN);
  1608. }
  1609. /* KEEP_VLAN_TAG, promiscuous */
  1610. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1611. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1612. /*
  1613. * Setting this bit causes MAC control frames (except for pause
  1614. * frames) to be passed on for processing. This setting has no
  1615. * affect on the operation of the pause frames. This bit effects
  1616. * all packets regardless of RX Parser packet sorting logic.
  1617. * Turn the PFC off to make sure we are in Xon state before
  1618. * enabling it.
  1619. */
  1620. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1621. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1622. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1623. /* Enable PFC again */
  1624. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1625. EMAC_REG_RX_PFC_MODE_RX_EN |
  1626. EMAC_REG_RX_PFC_MODE_TX_EN |
  1627. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1628. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1629. ((0x0101 <<
  1630. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1631. (0x00ff <<
  1632. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1633. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1634. }
  1635. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1636. /* Set Loopback */
  1637. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1638. if (lb)
  1639. val |= 0x810;
  1640. else
  1641. val &= ~0x810;
  1642. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1643. /* enable emac */
  1644. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1645. /* enable emac for jumbo packets */
  1646. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1647. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1648. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1649. /* strip CRC */
  1650. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1651. /* disable the NIG in/out to the bmac */
  1652. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1653. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1654. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1655. /* enable the NIG in/out to the emac */
  1656. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1657. val = 0;
  1658. if ((params->feature_config_flags &
  1659. FEATURE_CONFIG_PFC_ENABLED) ||
  1660. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1661. val = 1;
  1662. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1663. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1664. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1665. vars->mac_type = MAC_TYPE_EMAC;
  1666. return 0;
  1667. }
  1668. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1669. struct link_vars *vars)
  1670. {
  1671. u32 wb_data[2];
  1672. struct bnx2x *bp = params->bp;
  1673. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1674. NIG_REG_INGRESS_BMAC0_MEM;
  1675. u32 val = 0x14;
  1676. if ((!(params->feature_config_flags &
  1677. FEATURE_CONFIG_PFC_ENABLED)) &&
  1678. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1679. /* Enable BigMAC to react on received Pause packets */
  1680. val |= (1<<5);
  1681. wb_data[0] = val;
  1682. wb_data[1] = 0;
  1683. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1684. /* tx control */
  1685. val = 0xc0;
  1686. if (!(params->feature_config_flags &
  1687. FEATURE_CONFIG_PFC_ENABLED) &&
  1688. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1689. val |= 0x800000;
  1690. wb_data[0] = val;
  1691. wb_data[1] = 0;
  1692. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1693. }
  1694. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1695. struct link_vars *vars,
  1696. u8 is_lb)
  1697. {
  1698. /*
  1699. * Set rx control: Strip CRC and enable BigMAC to relay
  1700. * control packets to the system as well
  1701. */
  1702. u32 wb_data[2];
  1703. struct bnx2x *bp = params->bp;
  1704. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1705. NIG_REG_INGRESS_BMAC0_MEM;
  1706. u32 val = 0x14;
  1707. if ((!(params->feature_config_flags &
  1708. FEATURE_CONFIG_PFC_ENABLED)) &&
  1709. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1710. /* Enable BigMAC to react on received Pause packets */
  1711. val |= (1<<5);
  1712. wb_data[0] = val;
  1713. wb_data[1] = 0;
  1714. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1715. udelay(30);
  1716. /* Tx control */
  1717. val = 0xc0;
  1718. if (!(params->feature_config_flags &
  1719. FEATURE_CONFIG_PFC_ENABLED) &&
  1720. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1721. val |= 0x800000;
  1722. wb_data[0] = val;
  1723. wb_data[1] = 0;
  1724. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1725. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1726. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1727. /* Enable PFC RX & TX & STATS and set 8 COS */
  1728. wb_data[0] = 0x0;
  1729. wb_data[0] |= (1<<0); /* RX */
  1730. wb_data[0] |= (1<<1); /* TX */
  1731. wb_data[0] |= (1<<2); /* Force initial Xon */
  1732. wb_data[0] |= (1<<3); /* 8 cos */
  1733. wb_data[0] |= (1<<5); /* STATS */
  1734. wb_data[1] = 0;
  1735. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1736. wb_data, 2);
  1737. /* Clear the force Xon */
  1738. wb_data[0] &= ~(1<<2);
  1739. } else {
  1740. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1741. /* disable PFC RX & TX & STATS and set 8 COS */
  1742. wb_data[0] = 0x8;
  1743. wb_data[1] = 0;
  1744. }
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1746. /*
  1747. * Set Time (based unit is 512 bit time) between automatic
  1748. * re-sending of PP packets amd enable automatic re-send of
  1749. * Per-Priroity Packet as long as pp_gen is asserted and
  1750. * pp_disable is low.
  1751. */
  1752. val = 0x8000;
  1753. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1754. val |= (1<<16); /* enable automatic re-send */
  1755. wb_data[0] = val;
  1756. wb_data[1] = 0;
  1757. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1758. wb_data, 2);
  1759. /* mac control */
  1760. val = 0x3; /* Enable RX and TX */
  1761. if (is_lb) {
  1762. val |= 0x4; /* Local loopback */
  1763. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1764. }
  1765. /* When PFC enabled, Pass pause frames towards the NIG. */
  1766. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1767. val |= ((1<<6)|(1<<5));
  1768. wb_data[0] = val;
  1769. wb_data[1] = 0;
  1770. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1771. }
  1772. /* PFC BRB internal port configuration params */
  1773. struct bnx2x_pfc_brb_threshold_val {
  1774. u32 pause_xoff;
  1775. u32 pause_xon;
  1776. u32 full_xoff;
  1777. u32 full_xon;
  1778. };
  1779. struct bnx2x_pfc_brb_e3b0_val {
  1780. u32 per_class_guaranty_mode;
  1781. u32 lb_guarantied_hyst;
  1782. u32 full_lb_xoff_th;
  1783. u32 full_lb_xon_threshold;
  1784. u32 lb_guarantied;
  1785. u32 mac_0_class_t_guarantied;
  1786. u32 mac_0_class_t_guarantied_hyst;
  1787. u32 mac_1_class_t_guarantied;
  1788. u32 mac_1_class_t_guarantied_hyst;
  1789. };
  1790. struct bnx2x_pfc_brb_th_val {
  1791. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1792. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1793. struct bnx2x_pfc_brb_threshold_val default_class0;
  1794. struct bnx2x_pfc_brb_threshold_val default_class1;
  1795. };
  1796. static int bnx2x_pfc_brb_get_config_params(
  1797. struct link_params *params,
  1798. struct bnx2x_pfc_brb_th_val *config_val)
  1799. {
  1800. struct bnx2x *bp = params->bp;
  1801. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1802. config_val->default_class1.pause_xoff = 0;
  1803. config_val->default_class1.pause_xon = 0;
  1804. config_val->default_class1.full_xoff = 0;
  1805. config_val->default_class1.full_xon = 0;
  1806. if (CHIP_IS_E2(bp)) {
  1807. /* class0 defaults */
  1808. config_val->default_class0.pause_xoff =
  1809. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1810. config_val->default_class0.pause_xon =
  1811. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1812. config_val->default_class0.full_xoff =
  1813. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1814. config_val->default_class0.full_xon =
  1815. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1816. /* pause able*/
  1817. config_val->pauseable_th.pause_xoff =
  1818. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1819. config_val->pauseable_th.pause_xon =
  1820. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1821. config_val->pauseable_th.full_xoff =
  1822. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1823. config_val->pauseable_th.full_xon =
  1824. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1825. /* non pause able*/
  1826. config_val->non_pauseable_th.pause_xoff =
  1827. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1828. config_val->non_pauseable_th.pause_xon =
  1829. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.full_xoff =
  1831. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xon =
  1833. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1834. } else if (CHIP_IS_E3A0(bp)) {
  1835. /* class0 defaults */
  1836. config_val->default_class0.pause_xoff =
  1837. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1838. config_val->default_class0.pause_xon =
  1839. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1840. config_val->default_class0.full_xoff =
  1841. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1842. config_val->default_class0.full_xon =
  1843. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1844. /* pause able */
  1845. config_val->pauseable_th.pause_xoff =
  1846. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1847. config_val->pauseable_th.pause_xon =
  1848. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1849. config_val->pauseable_th.full_xoff =
  1850. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1851. config_val->pauseable_th.full_xon =
  1852. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1853. /* non pause able*/
  1854. config_val->non_pauseable_th.pause_xoff =
  1855. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1856. config_val->non_pauseable_th.pause_xon =
  1857. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1858. config_val->non_pauseable_th.full_xoff =
  1859. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1860. config_val->non_pauseable_th.full_xon =
  1861. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1862. } else if (CHIP_IS_E3B0(bp)) {
  1863. /* class0 defaults */
  1864. config_val->default_class0.pause_xoff =
  1865. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1866. config_val->default_class0.pause_xon =
  1867. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1868. config_val->default_class0.full_xoff =
  1869. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1870. config_val->default_class0.full_xon =
  1871. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1872. if (params->phy[INT_PHY].flags &
  1873. FLAGS_4_PORT_MODE) {
  1874. config_val->pauseable_th.pause_xoff =
  1875. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1876. config_val->pauseable_th.pause_xon =
  1877. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1878. config_val->pauseable_th.full_xoff =
  1879. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1880. config_val->pauseable_th.full_xon =
  1881. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1882. /* non pause able*/
  1883. config_val->non_pauseable_th.pause_xoff =
  1884. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1885. config_val->non_pauseable_th.pause_xon =
  1886. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1887. config_val->non_pauseable_th.full_xoff =
  1888. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1889. config_val->non_pauseable_th.full_xon =
  1890. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1891. } else {
  1892. config_val->pauseable_th.pause_xoff =
  1893. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1894. config_val->pauseable_th.pause_xon =
  1895. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1896. config_val->pauseable_th.full_xoff =
  1897. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1898. config_val->pauseable_th.full_xon =
  1899. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1900. /* non pause able*/
  1901. config_val->non_pauseable_th.pause_xoff =
  1902. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1903. config_val->non_pauseable_th.pause_xon =
  1904. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1905. config_val->non_pauseable_th.full_xoff =
  1906. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1907. config_val->non_pauseable_th.full_xon =
  1908. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1909. }
  1910. } else
  1911. return -EINVAL;
  1912. return 0;
  1913. }
  1914. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1915. struct link_params *params,
  1916. struct bnx2x_pfc_brb_e3b0_val
  1917. *e3b0_val,
  1918. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1919. const u8 pfc_enabled)
  1920. {
  1921. if (pfc_enabled && pfc_params) {
  1922. e3b0_val->per_class_guaranty_mode = 1;
  1923. e3b0_val->lb_guarantied_hyst = 80;
  1924. if (params->phy[INT_PHY].flags &
  1925. FLAGS_4_PORT_MODE) {
  1926. e3b0_val->full_lb_xoff_th =
  1927. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1928. e3b0_val->full_lb_xon_threshold =
  1929. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1930. e3b0_val->lb_guarantied =
  1931. PFC_E3B0_4P_LB_GUART;
  1932. e3b0_val->mac_0_class_t_guarantied =
  1933. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1934. e3b0_val->mac_0_class_t_guarantied_hyst =
  1935. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1936. e3b0_val->mac_1_class_t_guarantied =
  1937. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1938. e3b0_val->mac_1_class_t_guarantied_hyst =
  1939. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1940. } else {
  1941. e3b0_val->full_lb_xoff_th =
  1942. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1943. e3b0_val->full_lb_xon_threshold =
  1944. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1945. e3b0_val->mac_0_class_t_guarantied_hyst =
  1946. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1947. e3b0_val->mac_1_class_t_guarantied =
  1948. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1949. e3b0_val->mac_1_class_t_guarantied_hyst =
  1950. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1951. if (pfc_params->cos0_pauseable !=
  1952. pfc_params->cos1_pauseable) {
  1953. /* nonpauseable= Lossy + pauseable = Lossless*/
  1954. e3b0_val->lb_guarantied =
  1955. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1956. e3b0_val->mac_0_class_t_guarantied =
  1957. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1958. } else if (pfc_params->cos0_pauseable) {
  1959. /* Lossless +Lossless*/
  1960. e3b0_val->lb_guarantied =
  1961. PFC_E3B0_2P_PAUSE_LB_GUART;
  1962. e3b0_val->mac_0_class_t_guarantied =
  1963. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1964. } else {
  1965. /* Lossy +Lossy*/
  1966. e3b0_val->lb_guarantied =
  1967. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1968. e3b0_val->mac_0_class_t_guarantied =
  1969. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1970. }
  1971. }
  1972. } else {
  1973. e3b0_val->per_class_guaranty_mode = 0;
  1974. e3b0_val->lb_guarantied_hyst = 0;
  1975. e3b0_val->full_lb_xoff_th =
  1976. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1977. e3b0_val->full_lb_xon_threshold =
  1978. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1979. e3b0_val->lb_guarantied =
  1980. DEFAULT_E3B0_LB_GUART;
  1981. e3b0_val->mac_0_class_t_guarantied =
  1982. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1983. e3b0_val->mac_0_class_t_guarantied_hyst =
  1984. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1985. e3b0_val->mac_1_class_t_guarantied =
  1986. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1987. e3b0_val->mac_1_class_t_guarantied_hyst =
  1988. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1989. }
  1990. }
  1991. static int bnx2x_update_pfc_brb(struct link_params *params,
  1992. struct link_vars *vars,
  1993. struct bnx2x_nig_brb_pfc_port_params
  1994. *pfc_params)
  1995. {
  1996. struct bnx2x *bp = params->bp;
  1997. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1998. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1999. &config_val.pauseable_th;
  2000. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  2001. const int set_pfc = params->feature_config_flags &
  2002. FEATURE_CONFIG_PFC_ENABLED;
  2003. const u8 pfc_enabled = (set_pfc && pfc_params);
  2004. int bnx2x_status = 0;
  2005. u8 port = params->port;
  2006. /* default - pause configuration */
  2007. reg_th_config = &config_val.pauseable_th;
  2008. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  2009. if (bnx2x_status)
  2010. return bnx2x_status;
  2011. if (pfc_enabled) {
  2012. /* First COS */
  2013. if (pfc_params->cos0_pauseable)
  2014. reg_th_config = &config_val.pauseable_th;
  2015. else
  2016. reg_th_config = &config_val.non_pauseable_th;
  2017. } else
  2018. reg_th_config = &config_val.default_class0;
  2019. /*
  2020. * The number of free blocks below which the pause signal to class 0
  2021. * of MAC #n is asserted. n=0,1
  2022. */
  2023. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  2024. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  2025. reg_th_config->pause_xoff);
  2026. /*
  2027. * The number of free blocks above which the pause signal to class 0
  2028. * of MAC #n is de-asserted. n=0,1
  2029. */
  2030. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  2031. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  2032. /*
  2033. * The number of free blocks below which the full signal to class 0
  2034. * of MAC #n is asserted. n=0,1
  2035. */
  2036. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  2037. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  2038. /*
  2039. * The number of free blocks above which the full signal to class 0
  2040. * of MAC #n is de-asserted. n=0,1
  2041. */
  2042. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  2043. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2044. if (pfc_enabled) {
  2045. /* Second COS */
  2046. if (pfc_params->cos1_pauseable)
  2047. reg_th_config = &config_val.pauseable_th;
  2048. else
  2049. reg_th_config = &config_val.non_pauseable_th;
  2050. } else
  2051. reg_th_config = &config_val.default_class1;
  2052. /*
  2053. * The number of free blocks below which the pause signal to
  2054. * class 1 of MAC #n is asserted. n=0,1
  2055. */
  2056. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2057. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2058. reg_th_config->pause_xoff);
  2059. /*
  2060. * The number of free blocks above which the pause signal to
  2061. * class 1 of MAC #n is de-asserted. n=0,1
  2062. */
  2063. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2064. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2065. reg_th_config->pause_xon);
  2066. /*
  2067. * The number of free blocks below which the full signal to
  2068. * class 1 of MAC #n is asserted. n=0,1
  2069. */
  2070. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2071. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2072. reg_th_config->full_xoff);
  2073. /*
  2074. * The number of free blocks above which the full signal to
  2075. * class 1 of MAC #n is de-asserted. n=0,1
  2076. */
  2077. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2078. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2079. reg_th_config->full_xon);
  2080. if (CHIP_IS_E3B0(bp)) {
  2081. bnx2x_pfc_brb_get_e3b0_config_params(
  2082. params,
  2083. &e3b0_val,
  2084. pfc_params,
  2085. pfc_enabled);
  2086. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2087. e3b0_val.per_class_guaranty_mode);
  2088. /*
  2089. * The hysteresis on the guarantied buffer space for the Lb
  2090. * port before signaling XON.
  2091. */
  2092. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2093. e3b0_val.lb_guarantied_hyst);
  2094. /*
  2095. * The number of free blocks below which the full signal to the
  2096. * LB port is asserted.
  2097. */
  2098. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2099. e3b0_val.full_lb_xoff_th);
  2100. /*
  2101. * The number of free blocks above which the full signal to the
  2102. * LB port is de-asserted.
  2103. */
  2104. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2105. e3b0_val.full_lb_xon_threshold);
  2106. /*
  2107. * The number of blocks guarantied for the MAC #n port. n=0,1
  2108. */
  2109. /* The number of blocks guarantied for the LB port.*/
  2110. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2111. e3b0_val.lb_guarantied);
  2112. /*
  2113. * The number of blocks guarantied for the MAC #n port.
  2114. */
  2115. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2116. 2 * e3b0_val.mac_0_class_t_guarantied);
  2117. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2118. 2 * e3b0_val.mac_1_class_t_guarantied);
  2119. /*
  2120. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2121. */
  2122. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2123. e3b0_val.mac_0_class_t_guarantied);
  2124. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2125. e3b0_val.mac_0_class_t_guarantied);
  2126. /*
  2127. * The hysteresis on the guarantied buffer space for class in
  2128. * MAC0. t=0,1
  2129. */
  2130. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2131. e3b0_val.mac_0_class_t_guarantied_hyst);
  2132. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2133. e3b0_val.mac_0_class_t_guarantied_hyst);
  2134. /*
  2135. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2136. */
  2137. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2138. e3b0_val.mac_1_class_t_guarantied);
  2139. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2140. e3b0_val.mac_1_class_t_guarantied);
  2141. /*
  2142. * The hysteresis on the guarantied buffer space for class #t
  2143. * in MAC1. t=0,1
  2144. */
  2145. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2146. e3b0_val.mac_1_class_t_guarantied_hyst);
  2147. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2148. e3b0_val.mac_1_class_t_guarantied_hyst);
  2149. }
  2150. return bnx2x_status;
  2151. }
  2152. /******************************************************************************
  2153. * Description:
  2154. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2155. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2156. ******************************************************************************/
  2157. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2158. u8 cos_entry,
  2159. u32 priority_mask, u8 port)
  2160. {
  2161. u32 nig_reg_rx_priority_mask_add = 0;
  2162. switch (cos_entry) {
  2163. case 0:
  2164. nig_reg_rx_priority_mask_add = (port) ?
  2165. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2166. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2167. break;
  2168. case 1:
  2169. nig_reg_rx_priority_mask_add = (port) ?
  2170. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2171. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2172. break;
  2173. case 2:
  2174. nig_reg_rx_priority_mask_add = (port) ?
  2175. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2176. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2177. break;
  2178. case 3:
  2179. if (port)
  2180. return -EINVAL;
  2181. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2182. break;
  2183. case 4:
  2184. if (port)
  2185. return -EINVAL;
  2186. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2187. break;
  2188. case 5:
  2189. if (port)
  2190. return -EINVAL;
  2191. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2192. break;
  2193. }
  2194. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2195. return 0;
  2196. }
  2197. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2198. {
  2199. struct bnx2x *bp = params->bp;
  2200. REG_WR(bp, params->shmem_base +
  2201. offsetof(struct shmem_region,
  2202. port_mb[params->port].link_status), link_status);
  2203. }
  2204. static void bnx2x_update_pfc_nig(struct link_params *params,
  2205. struct link_vars *vars,
  2206. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2207. {
  2208. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2209. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2210. u32 pkt_priority_to_cos = 0;
  2211. struct bnx2x *bp = params->bp;
  2212. u8 port = params->port;
  2213. int set_pfc = params->feature_config_flags &
  2214. FEATURE_CONFIG_PFC_ENABLED;
  2215. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2216. /*
  2217. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2218. * MAC control frames (that are not pause packets)
  2219. * will be forwarded to the XCM.
  2220. */
  2221. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2222. NIG_REG_LLH0_XCM_MASK);
  2223. /*
  2224. * nig params will override non PFC params, since it's possible to
  2225. * do transition from PFC to SAFC
  2226. */
  2227. if (set_pfc) {
  2228. pause_enable = 0;
  2229. llfc_out_en = 0;
  2230. llfc_enable = 0;
  2231. if (CHIP_IS_E3(bp))
  2232. ppp_enable = 0;
  2233. else
  2234. ppp_enable = 1;
  2235. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2236. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2237. xcm_out_en = 0;
  2238. hwpfc_enable = 1;
  2239. } else {
  2240. if (nig_params) {
  2241. llfc_out_en = nig_params->llfc_out_en;
  2242. llfc_enable = nig_params->llfc_enable;
  2243. pause_enable = nig_params->pause_enable;
  2244. } else /*defaul non PFC mode - PAUSE */
  2245. pause_enable = 1;
  2246. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2247. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2248. xcm_out_en = 1;
  2249. }
  2250. if (CHIP_IS_E3(bp))
  2251. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2252. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2253. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2254. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2255. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2256. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2257. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2258. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2259. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2260. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2261. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2262. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2263. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2264. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2265. /* output enable for RX_XCM # IF */
  2266. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2267. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2268. /* HW PFC TX enable */
  2269. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2270. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2271. if (nig_params) {
  2272. u8 i = 0;
  2273. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2274. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2275. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2276. nig_params->rx_cos_priority_mask[i], port);
  2277. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2278. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2279. nig_params->llfc_high_priority_classes);
  2280. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2281. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2282. nig_params->llfc_low_priority_classes);
  2283. }
  2284. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2285. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2286. pkt_priority_to_cos);
  2287. }
  2288. int bnx2x_update_pfc(struct link_params *params,
  2289. struct link_vars *vars,
  2290. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2291. {
  2292. /*
  2293. * The PFC and pause are orthogonal to one another, meaning when
  2294. * PFC is enabled, the pause are disabled, and when PFC is
  2295. * disabled, pause are set according to the pause result.
  2296. */
  2297. u32 val;
  2298. struct bnx2x *bp = params->bp;
  2299. int bnx2x_status = 0;
  2300. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2301. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2302. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2303. else
  2304. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2305. bnx2x_update_mng(params, vars->link_status);
  2306. /* update NIG params */
  2307. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2308. /* update BRB params */
  2309. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2310. if (bnx2x_status)
  2311. return bnx2x_status;
  2312. if (!vars->link_up)
  2313. return bnx2x_status;
  2314. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2315. if (CHIP_IS_E3(bp))
  2316. bnx2x_update_pfc_xmac(params, vars, 0);
  2317. else {
  2318. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2319. if ((val &
  2320. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2321. == 0) {
  2322. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2323. bnx2x_emac_enable(params, vars, 0);
  2324. return bnx2x_status;
  2325. }
  2326. if (CHIP_IS_E2(bp))
  2327. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2328. else
  2329. bnx2x_update_pfc_bmac1(params, vars);
  2330. val = 0;
  2331. if ((params->feature_config_flags &
  2332. FEATURE_CONFIG_PFC_ENABLED) ||
  2333. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2334. val = 1;
  2335. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2336. }
  2337. return bnx2x_status;
  2338. }
  2339. static int bnx2x_bmac1_enable(struct link_params *params,
  2340. struct link_vars *vars,
  2341. u8 is_lb)
  2342. {
  2343. struct bnx2x *bp = params->bp;
  2344. u8 port = params->port;
  2345. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2346. NIG_REG_INGRESS_BMAC0_MEM;
  2347. u32 wb_data[2];
  2348. u32 val;
  2349. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2350. /* XGXS control */
  2351. wb_data[0] = 0x3c;
  2352. wb_data[1] = 0;
  2353. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2354. wb_data, 2);
  2355. /* tx MAC SA */
  2356. wb_data[0] = ((params->mac_addr[2] << 24) |
  2357. (params->mac_addr[3] << 16) |
  2358. (params->mac_addr[4] << 8) |
  2359. params->mac_addr[5]);
  2360. wb_data[1] = ((params->mac_addr[0] << 8) |
  2361. params->mac_addr[1]);
  2362. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2363. /* mac control */
  2364. val = 0x3;
  2365. if (is_lb) {
  2366. val |= 0x4;
  2367. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2368. }
  2369. wb_data[0] = val;
  2370. wb_data[1] = 0;
  2371. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2372. /* set rx mtu */
  2373. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2376. bnx2x_update_pfc_bmac1(params, vars);
  2377. /* set tx mtu */
  2378. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2379. wb_data[1] = 0;
  2380. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2381. /* set cnt max size */
  2382. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2383. wb_data[1] = 0;
  2384. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2385. /* configure safc */
  2386. wb_data[0] = 0x1000200;
  2387. wb_data[1] = 0;
  2388. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2389. wb_data, 2);
  2390. return 0;
  2391. }
  2392. static int bnx2x_bmac2_enable(struct link_params *params,
  2393. struct link_vars *vars,
  2394. u8 is_lb)
  2395. {
  2396. struct bnx2x *bp = params->bp;
  2397. u8 port = params->port;
  2398. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2399. NIG_REG_INGRESS_BMAC0_MEM;
  2400. u32 wb_data[2];
  2401. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2402. wb_data[0] = 0;
  2403. wb_data[1] = 0;
  2404. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2405. udelay(30);
  2406. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2407. wb_data[0] = 0x3c;
  2408. wb_data[1] = 0;
  2409. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2410. wb_data, 2);
  2411. udelay(30);
  2412. /* tx MAC SA */
  2413. wb_data[0] = ((params->mac_addr[2] << 24) |
  2414. (params->mac_addr[3] << 16) |
  2415. (params->mac_addr[4] << 8) |
  2416. params->mac_addr[5]);
  2417. wb_data[1] = ((params->mac_addr[0] << 8) |
  2418. params->mac_addr[1]);
  2419. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2420. wb_data, 2);
  2421. udelay(30);
  2422. /* Configure SAFC */
  2423. wb_data[0] = 0x1000200;
  2424. wb_data[1] = 0;
  2425. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2426. wb_data, 2);
  2427. udelay(30);
  2428. /* set rx mtu */
  2429. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2430. wb_data[1] = 0;
  2431. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2432. udelay(30);
  2433. /* set tx mtu */
  2434. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2435. wb_data[1] = 0;
  2436. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2437. udelay(30);
  2438. /* set cnt max size */
  2439. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2440. wb_data[1] = 0;
  2441. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2442. udelay(30);
  2443. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2444. return 0;
  2445. }
  2446. static int bnx2x_bmac_enable(struct link_params *params,
  2447. struct link_vars *vars,
  2448. u8 is_lb)
  2449. {
  2450. int rc = 0;
  2451. u8 port = params->port;
  2452. struct bnx2x *bp = params->bp;
  2453. u32 val;
  2454. /* reset and unreset the BigMac */
  2455. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2456. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2457. msleep(1);
  2458. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2459. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2460. /* enable access for bmac registers */
  2461. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2462. /* Enable BMAC according to BMAC type*/
  2463. if (CHIP_IS_E2(bp))
  2464. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2465. else
  2466. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2467. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2468. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2469. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2470. val = 0;
  2471. if ((params->feature_config_flags &
  2472. FEATURE_CONFIG_PFC_ENABLED) ||
  2473. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2474. val = 1;
  2475. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2477. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2478. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2479. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2480. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2481. vars->mac_type = MAC_TYPE_BMAC;
  2482. return rc;
  2483. }
  2484. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2485. {
  2486. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2487. NIG_REG_INGRESS_BMAC0_MEM;
  2488. u32 wb_data[2];
  2489. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2490. /* Only if the bmac is out of reset */
  2491. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2492. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2493. nig_bmac_enable) {
  2494. if (CHIP_IS_E2(bp)) {
  2495. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2496. REG_RD_DMAE(bp, bmac_addr +
  2497. BIGMAC2_REGISTER_BMAC_CONTROL,
  2498. wb_data, 2);
  2499. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2500. REG_WR_DMAE(bp, bmac_addr +
  2501. BIGMAC2_REGISTER_BMAC_CONTROL,
  2502. wb_data, 2);
  2503. } else {
  2504. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2505. REG_RD_DMAE(bp, bmac_addr +
  2506. BIGMAC_REGISTER_BMAC_CONTROL,
  2507. wb_data, 2);
  2508. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2509. REG_WR_DMAE(bp, bmac_addr +
  2510. BIGMAC_REGISTER_BMAC_CONTROL,
  2511. wb_data, 2);
  2512. }
  2513. msleep(1);
  2514. }
  2515. }
  2516. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2517. u32 line_speed)
  2518. {
  2519. struct bnx2x *bp = params->bp;
  2520. u8 port = params->port;
  2521. u32 init_crd, crd;
  2522. u32 count = 1000;
  2523. /* disable port */
  2524. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2525. /* wait for init credit */
  2526. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2527. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2528. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2529. while ((init_crd != crd) && count) {
  2530. msleep(5);
  2531. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2532. count--;
  2533. }
  2534. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2535. if (init_crd != crd) {
  2536. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2537. init_crd, crd);
  2538. return -EINVAL;
  2539. }
  2540. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2541. line_speed == SPEED_10 ||
  2542. line_speed == SPEED_100 ||
  2543. line_speed == SPEED_1000 ||
  2544. line_speed == SPEED_2500) {
  2545. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2546. /* update threshold */
  2547. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2548. /* update init credit */
  2549. init_crd = 778; /* (800-18-4) */
  2550. } else {
  2551. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2552. ETH_OVREHEAD)/16;
  2553. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2554. /* update threshold */
  2555. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2556. /* update init credit */
  2557. switch (line_speed) {
  2558. case SPEED_10000:
  2559. init_crd = thresh + 553 - 22;
  2560. break;
  2561. default:
  2562. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2563. line_speed);
  2564. return -EINVAL;
  2565. }
  2566. }
  2567. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2568. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2569. line_speed, init_crd);
  2570. /* probe the credit changes */
  2571. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2572. msleep(5);
  2573. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2574. /* enable port */
  2575. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2576. return 0;
  2577. }
  2578. /**
  2579. * bnx2x_get_emac_base - retrive emac base address
  2580. *
  2581. * @bp: driver handle
  2582. * @mdc_mdio_access: access type
  2583. * @port: port id
  2584. *
  2585. * This function selects the MDC/MDIO access (through emac0 or
  2586. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2587. * phy has a default access mode, which could also be overridden
  2588. * by nvram configuration. This parameter, whether this is the
  2589. * default phy configuration, or the nvram overrun
  2590. * configuration, is passed here as mdc_mdio_access and selects
  2591. * the emac_base for the CL45 read/writes operations
  2592. */
  2593. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2594. u32 mdc_mdio_access, u8 port)
  2595. {
  2596. u32 emac_base = 0;
  2597. switch (mdc_mdio_access) {
  2598. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2599. break;
  2600. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2601. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2602. emac_base = GRCBASE_EMAC1;
  2603. else
  2604. emac_base = GRCBASE_EMAC0;
  2605. break;
  2606. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2607. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2608. emac_base = GRCBASE_EMAC0;
  2609. else
  2610. emac_base = GRCBASE_EMAC1;
  2611. break;
  2612. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2613. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2614. break;
  2615. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2616. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2617. break;
  2618. default:
  2619. break;
  2620. }
  2621. return emac_base;
  2622. }
  2623. /******************************************************************/
  2624. /* CL22 access functions */
  2625. /******************************************************************/
  2626. static int bnx2x_cl22_write(struct bnx2x *bp,
  2627. struct bnx2x_phy *phy,
  2628. u16 reg, u16 val)
  2629. {
  2630. u32 tmp, mode;
  2631. u8 i;
  2632. int rc = 0;
  2633. /* Switch to CL22 */
  2634. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2635. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2636. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2637. /* address */
  2638. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2639. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2640. EMAC_MDIO_COMM_START_BUSY);
  2641. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2642. for (i = 0; i < 50; i++) {
  2643. udelay(10);
  2644. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2645. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2646. udelay(5);
  2647. break;
  2648. }
  2649. }
  2650. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2651. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2652. rc = -EFAULT;
  2653. }
  2654. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2655. return rc;
  2656. }
  2657. static int bnx2x_cl22_read(struct bnx2x *bp,
  2658. struct bnx2x_phy *phy,
  2659. u16 reg, u16 *ret_val)
  2660. {
  2661. u32 val, mode;
  2662. u16 i;
  2663. int rc = 0;
  2664. /* Switch to CL22 */
  2665. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2667. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2668. /* address */
  2669. val = ((phy->addr << 21) | (reg << 16) |
  2670. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2671. EMAC_MDIO_COMM_START_BUSY);
  2672. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2673. for (i = 0; i < 50; i++) {
  2674. udelay(10);
  2675. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2676. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2677. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2678. udelay(5);
  2679. break;
  2680. }
  2681. }
  2682. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2683. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2684. *ret_val = 0;
  2685. rc = -EFAULT;
  2686. }
  2687. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2688. return rc;
  2689. }
  2690. /******************************************************************/
  2691. /* CL45 access functions */
  2692. /******************************************************************/
  2693. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2694. u8 devad, u16 reg, u16 *ret_val)
  2695. {
  2696. u32 val;
  2697. u16 i;
  2698. int rc = 0;
  2699. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2700. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2701. EMAC_MDIO_STATUS_10MB);
  2702. /* address */
  2703. val = ((phy->addr << 21) | (devad << 16) | reg |
  2704. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2705. EMAC_MDIO_COMM_START_BUSY);
  2706. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2707. for (i = 0; i < 50; i++) {
  2708. udelay(10);
  2709. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2710. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2711. udelay(5);
  2712. break;
  2713. }
  2714. }
  2715. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2716. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2717. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2718. *ret_val = 0;
  2719. rc = -EFAULT;
  2720. } else {
  2721. /* data */
  2722. val = ((phy->addr << 21) | (devad << 16) |
  2723. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2724. EMAC_MDIO_COMM_START_BUSY);
  2725. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2726. for (i = 0; i < 50; i++) {
  2727. udelay(10);
  2728. val = REG_RD(bp, phy->mdio_ctrl +
  2729. EMAC_REG_EMAC_MDIO_COMM);
  2730. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2731. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2732. break;
  2733. }
  2734. }
  2735. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2736. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2737. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2738. *ret_val = 0;
  2739. rc = -EFAULT;
  2740. }
  2741. }
  2742. /* Work around for E3 A0 */
  2743. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2744. phy->flags ^= FLAGS_DUMMY_READ;
  2745. if (phy->flags & FLAGS_DUMMY_READ) {
  2746. u16 temp_val;
  2747. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2748. }
  2749. }
  2750. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2751. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2752. EMAC_MDIO_STATUS_10MB);
  2753. return rc;
  2754. }
  2755. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2756. u8 devad, u16 reg, u16 val)
  2757. {
  2758. u32 tmp;
  2759. u8 i;
  2760. int rc = 0;
  2761. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2762. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2763. EMAC_MDIO_STATUS_10MB);
  2764. /* address */
  2765. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2766. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2767. EMAC_MDIO_COMM_START_BUSY);
  2768. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2769. for (i = 0; i < 50; i++) {
  2770. udelay(10);
  2771. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2772. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2773. udelay(5);
  2774. break;
  2775. }
  2776. }
  2777. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2778. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2779. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2780. rc = -EFAULT;
  2781. } else {
  2782. /* data */
  2783. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2784. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2785. EMAC_MDIO_COMM_START_BUSY);
  2786. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2787. for (i = 0; i < 50; i++) {
  2788. udelay(10);
  2789. tmp = REG_RD(bp, phy->mdio_ctrl +
  2790. EMAC_REG_EMAC_MDIO_COMM);
  2791. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2792. udelay(5);
  2793. break;
  2794. }
  2795. }
  2796. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2797. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2798. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2799. rc = -EFAULT;
  2800. }
  2801. }
  2802. /* Work around for E3 A0 */
  2803. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2804. phy->flags ^= FLAGS_DUMMY_READ;
  2805. if (phy->flags & FLAGS_DUMMY_READ) {
  2806. u16 temp_val;
  2807. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2808. }
  2809. }
  2810. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2811. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2812. EMAC_MDIO_STATUS_10MB);
  2813. return rc;
  2814. }
  2815. /******************************************************************/
  2816. /* BSC access functions from E3 */
  2817. /******************************************************************/
  2818. static void bnx2x_bsc_module_sel(struct link_params *params)
  2819. {
  2820. int idx;
  2821. u32 board_cfg, sfp_ctrl;
  2822. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2823. struct bnx2x *bp = params->bp;
  2824. u8 port = params->port;
  2825. /* Read I2C output PINs */
  2826. board_cfg = REG_RD(bp, params->shmem_base +
  2827. offsetof(struct shmem_region,
  2828. dev_info.shared_hw_config.board));
  2829. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2830. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2831. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2832. /* Read I2C output value */
  2833. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2834. offsetof(struct shmem_region,
  2835. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2836. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2837. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2838. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2839. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2840. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2841. }
  2842. static int bnx2x_bsc_read(struct link_params *params,
  2843. struct bnx2x_phy *phy,
  2844. u8 sl_devid,
  2845. u16 sl_addr,
  2846. u8 lc_addr,
  2847. u8 xfer_cnt,
  2848. u32 *data_array)
  2849. {
  2850. u32 val, i;
  2851. int rc = 0;
  2852. struct bnx2x *bp = params->bp;
  2853. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2854. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2855. return -EINVAL;
  2856. }
  2857. if (xfer_cnt > 16) {
  2858. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2859. xfer_cnt);
  2860. return -EINVAL;
  2861. }
  2862. bnx2x_bsc_module_sel(params);
  2863. xfer_cnt = 16 - lc_addr;
  2864. /* enable the engine */
  2865. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2866. val |= MCPR_IMC_COMMAND_ENABLE;
  2867. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2868. /* program slave device ID */
  2869. val = (sl_devid << 16) | sl_addr;
  2870. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2871. /* start xfer with 0 byte to update the address pointer ???*/
  2872. val = (MCPR_IMC_COMMAND_ENABLE) |
  2873. (MCPR_IMC_COMMAND_WRITE_OP <<
  2874. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2875. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2876. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2877. /* poll for completion */
  2878. i = 0;
  2879. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2880. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2881. udelay(10);
  2882. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2883. if (i++ > 1000) {
  2884. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2885. i);
  2886. rc = -EFAULT;
  2887. break;
  2888. }
  2889. }
  2890. if (rc == -EFAULT)
  2891. return rc;
  2892. /* start xfer with read op */
  2893. val = (MCPR_IMC_COMMAND_ENABLE) |
  2894. (MCPR_IMC_COMMAND_READ_OP <<
  2895. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2896. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2897. (xfer_cnt);
  2898. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2899. /* poll for completion */
  2900. i = 0;
  2901. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2902. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2903. udelay(10);
  2904. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2905. if (i++ > 1000) {
  2906. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2907. rc = -EFAULT;
  2908. break;
  2909. }
  2910. }
  2911. if (rc == -EFAULT)
  2912. return rc;
  2913. for (i = (lc_addr >> 2); i < 4; i++) {
  2914. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2915. #ifdef __BIG_ENDIAN
  2916. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2917. ((data_array[i] & 0x0000ff00) << 8) |
  2918. ((data_array[i] & 0x00ff0000) >> 8) |
  2919. ((data_array[i] & 0xff000000) >> 24);
  2920. #endif
  2921. }
  2922. return rc;
  2923. }
  2924. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2925. u8 devad, u16 reg, u16 or_val)
  2926. {
  2927. u16 val;
  2928. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2929. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2930. }
  2931. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2932. u8 devad, u16 reg, u16 *ret_val)
  2933. {
  2934. u8 phy_index;
  2935. /*
  2936. * Probe for the phy according to the given phy_addr, and execute
  2937. * the read request on it
  2938. */
  2939. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2940. if (params->phy[phy_index].addr == phy_addr) {
  2941. return bnx2x_cl45_read(params->bp,
  2942. &params->phy[phy_index], devad,
  2943. reg, ret_val);
  2944. }
  2945. }
  2946. return -EINVAL;
  2947. }
  2948. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2949. u8 devad, u16 reg, u16 val)
  2950. {
  2951. u8 phy_index;
  2952. /*
  2953. * Probe for the phy according to the given phy_addr, and execute
  2954. * the write request on it
  2955. */
  2956. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2957. if (params->phy[phy_index].addr == phy_addr) {
  2958. return bnx2x_cl45_write(params->bp,
  2959. &params->phy[phy_index], devad,
  2960. reg, val);
  2961. }
  2962. }
  2963. return -EINVAL;
  2964. }
  2965. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2966. struct link_params *params)
  2967. {
  2968. u8 lane = 0;
  2969. struct bnx2x *bp = params->bp;
  2970. u32 path_swap, path_swap_ovr;
  2971. u8 path, port;
  2972. path = BP_PATH(bp);
  2973. port = params->port;
  2974. if (bnx2x_is_4_port_mode(bp)) {
  2975. u32 port_swap, port_swap_ovr;
  2976. /*figure out path swap value */
  2977. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2978. if (path_swap_ovr & 0x1)
  2979. path_swap = (path_swap_ovr & 0x2);
  2980. else
  2981. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2982. if (path_swap)
  2983. path = path ^ 1;
  2984. /*figure out port swap value */
  2985. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2986. if (port_swap_ovr & 0x1)
  2987. port_swap = (port_swap_ovr & 0x2);
  2988. else
  2989. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2990. if (port_swap)
  2991. port = port ^ 1;
  2992. lane = (port<<1) + path;
  2993. } else { /* two port mode - no port swap */
  2994. /*figure out path swap value */
  2995. path_swap_ovr =
  2996. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2997. if (path_swap_ovr & 0x1) {
  2998. path_swap = (path_swap_ovr & 0x2);
  2999. } else {
  3000. path_swap =
  3001. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  3002. }
  3003. if (path_swap)
  3004. path = path ^ 1;
  3005. lane = path << 1 ;
  3006. }
  3007. return lane;
  3008. }
  3009. static void bnx2x_set_aer_mmd(struct link_params *params,
  3010. struct bnx2x_phy *phy)
  3011. {
  3012. u32 ser_lane;
  3013. u16 offset, aer_val;
  3014. struct bnx2x *bp = params->bp;
  3015. ser_lane = ((params->lane_config &
  3016. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3017. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3018. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  3019. (phy->addr + ser_lane) : 0;
  3020. if (USES_WARPCORE(bp)) {
  3021. aer_val = bnx2x_get_warpcore_lane(phy, params);
  3022. /*
  3023. * In Dual-lane mode, two lanes are joined together,
  3024. * so in order to configure them, the AER broadcast method is
  3025. * used here.
  3026. * 0x200 is the broadcast address for lanes 0,1
  3027. * 0x201 is the broadcast address for lanes 2,3
  3028. */
  3029. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3030. aer_val = (aer_val >> 1) | 0x200;
  3031. } else if (CHIP_IS_E2(bp))
  3032. aer_val = 0x3800 + offset - 1;
  3033. else
  3034. aer_val = 0x3800 + offset;
  3035. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3036. MDIO_AER_BLOCK_AER_REG, aer_val);
  3037. }
  3038. /******************************************************************/
  3039. /* Internal phy section */
  3040. /******************************************************************/
  3041. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  3042. {
  3043. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  3044. /* Set Clause 22 */
  3045. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  3046. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  3047. udelay(500);
  3048. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  3049. udelay(500);
  3050. /* Set Clause 45 */
  3051. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  3052. }
  3053. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  3054. {
  3055. u32 val;
  3056. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  3057. val = SERDES_RESET_BITS << (port*16);
  3058. /* reset and unreset the SerDes/XGXS */
  3059. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3060. udelay(500);
  3061. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3062. bnx2x_set_serdes_access(bp, port);
  3063. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3064. DEFAULT_PHY_DEV_ADDR);
  3065. }
  3066. static void bnx2x_xgxs_deassert(struct link_params *params)
  3067. {
  3068. struct bnx2x *bp = params->bp;
  3069. u8 port;
  3070. u32 val;
  3071. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3072. port = params->port;
  3073. val = XGXS_RESET_BITS << (port*16);
  3074. /* reset and unreset the SerDes/XGXS */
  3075. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3076. udelay(500);
  3077. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3078. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3079. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3080. params->phy[INT_PHY].def_md_devad);
  3081. }
  3082. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3083. struct link_params *params, u16 *ieee_fc)
  3084. {
  3085. struct bnx2x *bp = params->bp;
  3086. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3087. /**
  3088. * resolve pause mode and advertisement Please refer to Table
  3089. * 28B-3 of the 802.3ab-1999 spec
  3090. */
  3091. switch (phy->req_flow_ctrl) {
  3092. case BNX2X_FLOW_CTRL_AUTO:
  3093. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3094. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3095. else
  3096. *ieee_fc |=
  3097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3098. break;
  3099. case BNX2X_FLOW_CTRL_TX:
  3100. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3101. break;
  3102. case BNX2X_FLOW_CTRL_RX:
  3103. case BNX2X_FLOW_CTRL_BOTH:
  3104. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3105. break;
  3106. case BNX2X_FLOW_CTRL_NONE:
  3107. default:
  3108. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3109. break;
  3110. }
  3111. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3112. }
  3113. static void set_phy_vars(struct link_params *params,
  3114. struct link_vars *vars)
  3115. {
  3116. struct bnx2x *bp = params->bp;
  3117. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3118. u8 phy_config_swapped = params->multi_phy_config &
  3119. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3120. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3121. phy_index++) {
  3122. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3123. actual_phy_idx = phy_index;
  3124. if (phy_config_swapped) {
  3125. if (phy_index == EXT_PHY1)
  3126. actual_phy_idx = EXT_PHY2;
  3127. else if (phy_index == EXT_PHY2)
  3128. actual_phy_idx = EXT_PHY1;
  3129. }
  3130. params->phy[actual_phy_idx].req_flow_ctrl =
  3131. params->req_flow_ctrl[link_cfg_idx];
  3132. params->phy[actual_phy_idx].req_line_speed =
  3133. params->req_line_speed[link_cfg_idx];
  3134. params->phy[actual_phy_idx].speed_cap_mask =
  3135. params->speed_cap_mask[link_cfg_idx];
  3136. params->phy[actual_phy_idx].req_duplex =
  3137. params->req_duplex[link_cfg_idx];
  3138. if (params->req_line_speed[link_cfg_idx] ==
  3139. SPEED_AUTO_NEG)
  3140. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3141. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3142. " speed_cap_mask %x\n",
  3143. params->phy[actual_phy_idx].req_flow_ctrl,
  3144. params->phy[actual_phy_idx].req_line_speed,
  3145. params->phy[actual_phy_idx].speed_cap_mask);
  3146. }
  3147. }
  3148. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3149. struct bnx2x_phy *phy,
  3150. struct link_vars *vars)
  3151. {
  3152. u16 val;
  3153. struct bnx2x *bp = params->bp;
  3154. /* read modify write pause advertizing */
  3155. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3156. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3157. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3158. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3159. if ((vars->ieee_fc &
  3160. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3161. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3162. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3163. }
  3164. if ((vars->ieee_fc &
  3165. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3166. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3167. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3168. }
  3169. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3170. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3171. }
  3172. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3173. { /* LD LP */
  3174. switch (pause_result) { /* ASYM P ASYM P */
  3175. case 0xb: /* 1 0 1 1 */
  3176. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3177. break;
  3178. case 0xe: /* 1 1 1 0 */
  3179. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3180. break;
  3181. case 0x5: /* 0 1 0 1 */
  3182. case 0x7: /* 0 1 1 1 */
  3183. case 0xd: /* 1 1 0 1 */
  3184. case 0xf: /* 1 1 1 1 */
  3185. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3186. break;
  3187. default:
  3188. break;
  3189. }
  3190. if (pause_result & (1<<0))
  3191. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3192. if (pause_result & (1<<1))
  3193. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3194. }
  3195. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3196. struct link_params *params,
  3197. struct link_vars *vars)
  3198. {
  3199. struct bnx2x *bp = params->bp;
  3200. u16 ld_pause; /* local */
  3201. u16 lp_pause; /* link partner */
  3202. u16 pause_result;
  3203. u8 ret = 0;
  3204. /* read twice */
  3205. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3206. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3207. vars->flow_ctrl = phy->req_flow_ctrl;
  3208. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3209. vars->flow_ctrl = params->req_fc_auto_adv;
  3210. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3211. ret = 1;
  3212. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3213. bnx2x_cl22_read(bp, phy,
  3214. 0x4, &ld_pause);
  3215. bnx2x_cl22_read(bp, phy,
  3216. 0x5, &lp_pause);
  3217. } else {
  3218. bnx2x_cl45_read(bp, phy,
  3219. MDIO_AN_DEVAD,
  3220. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3221. bnx2x_cl45_read(bp, phy,
  3222. MDIO_AN_DEVAD,
  3223. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3224. }
  3225. pause_result = (ld_pause &
  3226. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3227. pause_result |= (lp_pause &
  3228. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3229. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3230. pause_result);
  3231. bnx2x_pause_resolve(vars, pause_result);
  3232. }
  3233. return ret;
  3234. }
  3235. /******************************************************************/
  3236. /* Warpcore section */
  3237. /******************************************************************/
  3238. /* The init_internal_warpcore should mirror the xgxs,
  3239. * i.e. reset the lane (if needed), set aer for the
  3240. * init configuration, and set/clear SGMII flag. Internal
  3241. * phy init is done purely in phy_init stage.
  3242. */
  3243. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3244. struct link_params *params,
  3245. struct link_vars *vars) {
  3246. u16 val16 = 0, lane, bam37 = 0;
  3247. struct bnx2x *bp = params->bp;
  3248. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3249. /* Disable Autoneg: re-enable it after adv is done. */
  3250. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3251. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3252. /* Check adding advertisement for 1G KX */
  3253. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3254. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3255. (vars->line_speed == SPEED_1000)) {
  3256. u16 sd_digital;
  3257. val16 |= (1<<5);
  3258. /* Enable CL37 1G Parallel Detect */
  3259. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3261. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3263. (sd_digital | 0x1));
  3264. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3265. }
  3266. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3267. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3268. (vars->line_speed == SPEED_10000)) {
  3269. /* Check adding advertisement for 10G KR */
  3270. val16 |= (1<<7);
  3271. /* Enable 10G Parallel Detect */
  3272. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3273. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3274. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3275. }
  3276. /* Set Transmit PMD settings */
  3277. lane = bnx2x_get_warpcore_lane(phy, params);
  3278. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3280. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3281. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3282. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3285. 0x03f0);
  3286. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3288. 0x03f0);
  3289. /* Advertised speeds */
  3290. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3291. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3292. /* Advertised and set FEC (Forward Error Correction) */
  3293. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3294. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3295. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3296. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3297. /* Enable CL37 BAM */
  3298. if (REG_RD(bp, params->shmem_base +
  3299. offsetof(struct shmem_region, dev_info.
  3300. port_hw_config[params->port].default_cfg)) &
  3301. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3302. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3304. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3306. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3307. }
  3308. /* Advertise pause */
  3309. bnx2x_ext_phy_set_pause(params, phy, vars);
  3310. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3311. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3312. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3315. /* Over 1G - AN local device user page 1 */
  3316. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3317. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3318. /* Enable Autoneg */
  3319. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3320. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3321. }
  3322. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3323. struct link_params *params,
  3324. struct link_vars *vars)
  3325. {
  3326. struct bnx2x *bp = params->bp;
  3327. u16 val;
  3328. /* Disable Autoneg */
  3329. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3331. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3332. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3335. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3336. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3337. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3338. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3343. /* Disable CL36 PCS Tx */
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3346. /* Double Wide Single Data Rate @ pll rate */
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3349. /* Leave cl72 training enable, needed for KR */
  3350. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3351. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3352. 0x2);
  3353. /* Leave CL72 enabled */
  3354. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3356. &val);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3359. val | 0x3800);
  3360. /* Set speed via PMA/PMD register */
  3361. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3362. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3363. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3364. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3365. /*Enable encoded forced speed */
  3366. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3367. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3368. /* Turn TX scramble payload only the 64/66 scrambler */
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3371. /* Turn RX scramble payload only the 64/66 scrambler */
  3372. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3374. /* set and clear loopback to cause a reset to 64/66 decoder */
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3379. }
  3380. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3381. struct link_params *params,
  3382. u8 is_xfi)
  3383. {
  3384. struct bnx2x *bp = params->bp;
  3385. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3386. /* Hold rxSeqStart */
  3387. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3389. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3390. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3391. /* Hold tx_fifo_reset */
  3392. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3396. /* Disable CL73 AN */
  3397. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3398. /* Disable 100FX Enable and Auto-Detect */
  3399. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_FX100_CTRL1, &val);
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3403. /* Disable 100FX Idle detect */
  3404. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_FX100_CTRL3, &val);
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3408. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3409. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3413. /* Turn off auto-detect & fiber mode */
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3418. (val & 0xFFEE));
  3419. /* Set filter_force_link, disable_false_link and parallel_detect */
  3420. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3422. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3424. ((val | 0x0006) & 0xFFFE));
  3425. /* Set XFI / SFI */
  3426. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3428. misc1_val &= ~(0x1f);
  3429. if (is_xfi) {
  3430. misc1_val |= 0x5;
  3431. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3432. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3433. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3434. tx_driver_val =
  3435. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3436. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3437. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3438. } else {
  3439. misc1_val |= 0x9;
  3440. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3441. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3442. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3443. tx_driver_val =
  3444. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3445. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3446. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3447. }
  3448. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3450. /* Set Transmit PMD settings */
  3451. lane = bnx2x_get_warpcore_lane(phy, params);
  3452. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_TX_FIR_TAP,
  3454. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3455. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3457. tx_driver_val);
  3458. /* Enable fiber mode, enable and invert sig_det */
  3459. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3461. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3463. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3464. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3468. /* 10G XFI Full Duplex */
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3471. /* Release tx_fifo_reset */
  3472. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3476. /* Release rxSeqStart */
  3477. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3481. }
  3482. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3483. struct bnx2x_phy *phy)
  3484. {
  3485. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3486. }
  3487. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3488. struct bnx2x_phy *phy,
  3489. u16 lane)
  3490. {
  3491. /* Rx0 anaRxControl1G */
  3492. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3494. /* Rx2 anaRxControl1G */
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3499. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3500. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3503. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3513. /* Serdes Digital Misc1 */
  3514. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3516. /* Serdes Digital4 Misc3 */
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3519. /* Set Transmit PMD settings */
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_TX_FIR_TAP,
  3522. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3523. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3524. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3525. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3528. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3529. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3530. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3531. }
  3532. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3533. struct link_params *params,
  3534. u8 fiber_mode,
  3535. u8 always_autoneg)
  3536. {
  3537. struct bnx2x *bp = params->bp;
  3538. u16 val16, digctrl_kx1, digctrl_kx2;
  3539. /* Clear XFI clock comp in non-10G single lane mode. */
  3540. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_RX66_CONTROL, &val16);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3544. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3545. /* SGMII Autoneg */
  3546. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3550. val16 | 0x1000);
  3551. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3552. } else {
  3553. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3555. val16 &= 0xcebf;
  3556. switch (phy->req_line_speed) {
  3557. case SPEED_10:
  3558. break;
  3559. case SPEED_100:
  3560. val16 |= 0x2000;
  3561. break;
  3562. case SPEED_1000:
  3563. val16 |= 0x0040;
  3564. break;
  3565. default:
  3566. DP(NETIF_MSG_LINK,
  3567. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3568. return;
  3569. }
  3570. if (phy->req_duplex == DUPLEX_FULL)
  3571. val16 |= 0x0100;
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3574. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3575. phy->req_line_speed);
  3576. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3578. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3579. }
  3580. /* SGMII Slave mode and disable signal detect */
  3581. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3583. if (fiber_mode)
  3584. digctrl_kx1 = 1;
  3585. else
  3586. digctrl_kx1 &= 0xff4a;
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3589. digctrl_kx1);
  3590. /* Turn off parallel detect */
  3591. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3595. (digctrl_kx2 & ~(1<<2)));
  3596. /* Re-enable parallel detect */
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3599. (digctrl_kx2 | (1<<2)));
  3600. /* Enable autodet */
  3601. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3603. (digctrl_kx1 | 0x10));
  3604. }
  3605. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3606. struct bnx2x_phy *phy,
  3607. u8 reset)
  3608. {
  3609. u16 val;
  3610. /* Take lane out of reset after configuration is finished */
  3611. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3613. if (reset)
  3614. val |= 0xC000;
  3615. else
  3616. val &= 0x3FFF;
  3617. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3618. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3619. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3620. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3621. }
  3622. /* Clear SFI/XFI link settings registers */
  3623. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3624. struct link_params *params,
  3625. u16 lane)
  3626. {
  3627. struct bnx2x *bp = params->bp;
  3628. u16 val16;
  3629. /* Set XFI clock comp as default. */
  3630. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3631. MDIO_WC_REG_RX66_CONTROL, &val16);
  3632. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3634. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3635. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3636. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3638. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3640. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3644. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3646. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3650. lane = bnx2x_get_warpcore_lane(phy, params);
  3651. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3655. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3656. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3659. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3660. }
  3661. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3662. u32 chip_id,
  3663. u32 shmem_base, u8 port,
  3664. u8 *gpio_num, u8 *gpio_port)
  3665. {
  3666. u32 cfg_pin;
  3667. *gpio_num = 0;
  3668. *gpio_port = 0;
  3669. if (CHIP_IS_E3(bp)) {
  3670. cfg_pin = (REG_RD(bp, shmem_base +
  3671. offsetof(struct shmem_region,
  3672. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3673. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3674. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3675. /*
  3676. * Should not happen. This function called upon interrupt
  3677. * triggered by GPIO ( since EPIO can only generate interrupts
  3678. * to MCP).
  3679. * So if this function was called and none of the GPIOs was set,
  3680. * it means the shit hit the fan.
  3681. */
  3682. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3683. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3684. DP(NETIF_MSG_LINK,
  3685. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3686. cfg_pin);
  3687. return -EINVAL;
  3688. }
  3689. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3690. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3691. } else {
  3692. *gpio_num = MISC_REGISTERS_GPIO_3;
  3693. *gpio_port = port;
  3694. }
  3695. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3696. return 0;
  3697. }
  3698. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3699. struct link_params *params)
  3700. {
  3701. struct bnx2x *bp = params->bp;
  3702. u8 gpio_num, gpio_port;
  3703. u32 gpio_val;
  3704. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3705. params->shmem_base, params->port,
  3706. &gpio_num, &gpio_port) != 0)
  3707. return 0;
  3708. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3709. /* Call the handling function in case module is detected */
  3710. if (gpio_val == 0)
  3711. return 1;
  3712. else
  3713. return 0;
  3714. }
  3715. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3716. struct link_params *params)
  3717. {
  3718. u16 gp2_status_reg0, lane;
  3719. struct bnx2x *bp = params->bp;
  3720. lane = bnx2x_get_warpcore_lane(phy, params);
  3721. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3722. &gp2_status_reg0);
  3723. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3724. }
  3725. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3726. struct link_params *params,
  3727. struct link_vars *vars)
  3728. {
  3729. struct bnx2x *bp = params->bp;
  3730. u32 serdes_net_if;
  3731. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3732. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3733. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3734. if (!vars->turn_to_run_wc_rt)
  3735. return;
  3736. /* return if there is no link partner */
  3737. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3738. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3739. return;
  3740. }
  3741. if (vars->rx_tx_asic_rst) {
  3742. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3743. offsetof(struct shmem_region, dev_info.
  3744. port_hw_config[params->port].default_cfg)) &
  3745. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3746. switch (serdes_net_if) {
  3747. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3748. /* Do we get link yet? */
  3749. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3750. &gp_status1);
  3751. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3752. /*10G KR*/
  3753. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3754. DP(NETIF_MSG_LINK,
  3755. "gp_status1 0x%x\n", gp_status1);
  3756. if (lnkup_kr || lnkup) {
  3757. vars->rx_tx_asic_rst = 0;
  3758. DP(NETIF_MSG_LINK,
  3759. "link up, rx_tx_asic_rst 0x%x\n",
  3760. vars->rx_tx_asic_rst);
  3761. } else {
  3762. /*reset the lane to see if link comes up.*/
  3763. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3764. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3765. /* restart Autoneg */
  3766. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3767. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3768. vars->rx_tx_asic_rst--;
  3769. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3770. vars->rx_tx_asic_rst);
  3771. }
  3772. break;
  3773. default:
  3774. break;
  3775. }
  3776. } /*params->rx_tx_asic_rst*/
  3777. }
  3778. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3779. struct link_params *params,
  3780. struct link_vars *vars)
  3781. {
  3782. struct bnx2x *bp = params->bp;
  3783. u32 serdes_net_if;
  3784. u8 fiber_mode;
  3785. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3786. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3787. offsetof(struct shmem_region, dev_info.
  3788. port_hw_config[params->port].default_cfg)) &
  3789. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3790. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3791. "serdes_net_if = 0x%x\n",
  3792. vars->line_speed, serdes_net_if);
  3793. bnx2x_set_aer_mmd(params, phy);
  3794. vars->phy_flags |= PHY_XGXS_FLAG;
  3795. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3796. (phy->req_line_speed &&
  3797. ((phy->req_line_speed == SPEED_100) ||
  3798. (phy->req_line_speed == SPEED_10)))) {
  3799. vars->phy_flags |= PHY_SGMII_FLAG;
  3800. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3801. bnx2x_warpcore_clear_regs(phy, params, lane);
  3802. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3803. } else {
  3804. switch (serdes_net_if) {
  3805. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3806. /* Enable KR Auto Neg */
  3807. if (params->loopback_mode == LOOPBACK_NONE)
  3808. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3809. else {
  3810. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3811. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3812. }
  3813. break;
  3814. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3815. bnx2x_warpcore_clear_regs(phy, params, lane);
  3816. if (vars->line_speed == SPEED_10000) {
  3817. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3818. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3819. } else {
  3820. if (SINGLE_MEDIA_DIRECT(params)) {
  3821. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3822. fiber_mode = 1;
  3823. } else {
  3824. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3825. fiber_mode = 0;
  3826. }
  3827. bnx2x_warpcore_set_sgmii_speed(phy,
  3828. params,
  3829. fiber_mode,
  3830. 0);
  3831. }
  3832. break;
  3833. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3834. bnx2x_warpcore_clear_regs(phy, params, lane);
  3835. if (vars->line_speed == SPEED_10000) {
  3836. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3837. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3838. } else if (vars->line_speed == SPEED_1000) {
  3839. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3840. bnx2x_warpcore_set_sgmii_speed(
  3841. phy, params, 1, 0);
  3842. }
  3843. /* Issue Module detection */
  3844. if (bnx2x_is_sfp_module_plugged(phy, params))
  3845. bnx2x_sfp_module_detection(phy, params);
  3846. break;
  3847. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3848. if (vars->line_speed != SPEED_20000) {
  3849. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3850. return;
  3851. }
  3852. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3853. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3854. /* Issue Module detection */
  3855. bnx2x_sfp_module_detection(phy, params);
  3856. break;
  3857. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3858. if (vars->line_speed != SPEED_20000) {
  3859. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3860. return;
  3861. }
  3862. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3863. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3864. break;
  3865. default:
  3866. DP(NETIF_MSG_LINK,
  3867. "Unsupported Serdes Net Interface 0x%x\n",
  3868. serdes_net_if);
  3869. return;
  3870. }
  3871. }
  3872. /* Take lane out of reset after configuration is finished */
  3873. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3874. DP(NETIF_MSG_LINK, "Exit config init\n");
  3875. }
  3876. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3877. struct bnx2x_phy *phy,
  3878. u8 tx_en)
  3879. {
  3880. struct bnx2x *bp = params->bp;
  3881. u32 cfg_pin;
  3882. u8 port = params->port;
  3883. cfg_pin = REG_RD(bp, params->shmem_base +
  3884. offsetof(struct shmem_region,
  3885. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3886. PORT_HW_CFG_TX_LASER_MASK;
  3887. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3888. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3889. /* For 20G, the expected pin to be used is 3 pins after the current */
  3890. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3891. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3892. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3893. }
  3894. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3895. struct link_params *params)
  3896. {
  3897. struct bnx2x *bp = params->bp;
  3898. u16 val16;
  3899. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3900. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3901. bnx2x_set_aer_mmd(params, phy);
  3902. /* Global register */
  3903. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3904. /* Clear loopback settings (if any) */
  3905. /* 10G & 20G */
  3906. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3907. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3908. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3909. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3910. 0xBFFF);
  3911. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3912. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3913. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3914. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3915. /* Update those 1-copy registers */
  3916. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3917. MDIO_AER_BLOCK_AER_REG, 0);
  3918. /* Enable 1G MDIO (1-copy) */
  3919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3920. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3921. &val16);
  3922. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3923. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3924. val16 & ~0x10);
  3925. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3926. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3927. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3928. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3929. val16 & 0xff00);
  3930. }
  3931. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3932. struct link_params *params)
  3933. {
  3934. struct bnx2x *bp = params->bp;
  3935. u16 val16;
  3936. u32 lane;
  3937. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3938. params->loopback_mode, phy->req_line_speed);
  3939. if (phy->req_line_speed < SPEED_10000) {
  3940. /* 10/100/1000 */
  3941. /* Update those 1-copy registers */
  3942. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3943. MDIO_AER_BLOCK_AER_REG, 0);
  3944. /* Enable 1G MDIO (1-copy) */
  3945. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3946. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3947. &val16);
  3948. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3949. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3950. val16 | 0x10);
  3951. /* Set 1G loopback based on lane (1-copy) */
  3952. lane = bnx2x_get_warpcore_lane(phy, params);
  3953. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3954. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3955. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3956. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3957. val16 | (1<<lane));
  3958. /* Switch back to 4-copy registers */
  3959. bnx2x_set_aer_mmd(params, phy);
  3960. } else {
  3961. /* 10G & 20G */
  3962. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3963. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3964. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3965. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3966. 0x4000);
  3967. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3969. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3970. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3971. }
  3972. }
  3973. void bnx2x_sync_link(struct link_params *params,
  3974. struct link_vars *vars)
  3975. {
  3976. struct bnx2x *bp = params->bp;
  3977. u8 link_10g_plus;
  3978. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3979. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3980. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3981. if (vars->link_up) {
  3982. DP(NETIF_MSG_LINK, "phy link up\n");
  3983. vars->phy_link_up = 1;
  3984. vars->duplex = DUPLEX_FULL;
  3985. switch (vars->link_status &
  3986. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3987. case LINK_10THD:
  3988. vars->duplex = DUPLEX_HALF;
  3989. /* fall thru */
  3990. case LINK_10TFD:
  3991. vars->line_speed = SPEED_10;
  3992. break;
  3993. case LINK_100TXHD:
  3994. vars->duplex = DUPLEX_HALF;
  3995. /* fall thru */
  3996. case LINK_100T4:
  3997. case LINK_100TXFD:
  3998. vars->line_speed = SPEED_100;
  3999. break;
  4000. case LINK_1000THD:
  4001. vars->duplex = DUPLEX_HALF;
  4002. /* fall thru */
  4003. case LINK_1000TFD:
  4004. vars->line_speed = SPEED_1000;
  4005. break;
  4006. case LINK_2500THD:
  4007. vars->duplex = DUPLEX_HALF;
  4008. /* fall thru */
  4009. case LINK_2500TFD:
  4010. vars->line_speed = SPEED_2500;
  4011. break;
  4012. case LINK_10GTFD:
  4013. vars->line_speed = SPEED_10000;
  4014. break;
  4015. case LINK_20GTFD:
  4016. vars->line_speed = SPEED_20000;
  4017. break;
  4018. default:
  4019. break;
  4020. }
  4021. vars->flow_ctrl = 0;
  4022. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4023. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4024. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4025. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4026. if (!vars->flow_ctrl)
  4027. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4028. if (vars->line_speed &&
  4029. ((vars->line_speed == SPEED_10) ||
  4030. (vars->line_speed == SPEED_100))) {
  4031. vars->phy_flags |= PHY_SGMII_FLAG;
  4032. } else {
  4033. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4034. }
  4035. if (vars->line_speed &&
  4036. USES_WARPCORE(bp) &&
  4037. (vars->line_speed == SPEED_1000))
  4038. vars->phy_flags |= PHY_SGMII_FLAG;
  4039. /* anything 10 and over uses the bmac */
  4040. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4041. if (link_10g_plus) {
  4042. if (USES_WARPCORE(bp))
  4043. vars->mac_type = MAC_TYPE_XMAC;
  4044. else
  4045. vars->mac_type = MAC_TYPE_BMAC;
  4046. } else {
  4047. if (USES_WARPCORE(bp))
  4048. vars->mac_type = MAC_TYPE_UMAC;
  4049. else
  4050. vars->mac_type = MAC_TYPE_EMAC;
  4051. }
  4052. } else { /* link down */
  4053. DP(NETIF_MSG_LINK, "phy link down\n");
  4054. vars->phy_link_up = 0;
  4055. vars->line_speed = 0;
  4056. vars->duplex = DUPLEX_FULL;
  4057. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4058. /* indicate no mac active */
  4059. vars->mac_type = MAC_TYPE_NONE;
  4060. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4061. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4062. }
  4063. }
  4064. void bnx2x_link_status_update(struct link_params *params,
  4065. struct link_vars *vars)
  4066. {
  4067. struct bnx2x *bp = params->bp;
  4068. u8 port = params->port;
  4069. u32 sync_offset, media_types;
  4070. /* Update PHY configuration */
  4071. set_phy_vars(params, vars);
  4072. vars->link_status = REG_RD(bp, params->shmem_base +
  4073. offsetof(struct shmem_region,
  4074. port_mb[port].link_status));
  4075. vars->phy_flags = PHY_XGXS_FLAG;
  4076. bnx2x_sync_link(params, vars);
  4077. /* Sync media type */
  4078. sync_offset = params->shmem_base +
  4079. offsetof(struct shmem_region,
  4080. dev_info.port_hw_config[port].media_type);
  4081. media_types = REG_RD(bp, sync_offset);
  4082. params->phy[INT_PHY].media_type =
  4083. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4084. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4085. params->phy[EXT_PHY1].media_type =
  4086. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4087. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4088. params->phy[EXT_PHY2].media_type =
  4089. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4090. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4091. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4092. /* Sync AEU offset */
  4093. sync_offset = params->shmem_base +
  4094. offsetof(struct shmem_region,
  4095. dev_info.port_hw_config[port].aeu_int_mask);
  4096. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4097. /* Sync PFC status */
  4098. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4099. params->feature_config_flags |=
  4100. FEATURE_CONFIG_PFC_ENABLED;
  4101. else
  4102. params->feature_config_flags &=
  4103. ~FEATURE_CONFIG_PFC_ENABLED;
  4104. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4105. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4106. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4107. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4108. }
  4109. static void bnx2x_set_master_ln(struct link_params *params,
  4110. struct bnx2x_phy *phy)
  4111. {
  4112. struct bnx2x *bp = params->bp;
  4113. u16 new_master_ln, ser_lane;
  4114. ser_lane = ((params->lane_config &
  4115. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4116. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4117. /* set the master_ln for AN */
  4118. CL22_RD_OVER_CL45(bp, phy,
  4119. MDIO_REG_BANK_XGXS_BLOCK2,
  4120. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4121. &new_master_ln);
  4122. CL22_WR_OVER_CL45(bp, phy,
  4123. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4124. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4125. (new_master_ln | ser_lane));
  4126. }
  4127. static int bnx2x_reset_unicore(struct link_params *params,
  4128. struct bnx2x_phy *phy,
  4129. u8 set_serdes)
  4130. {
  4131. struct bnx2x *bp = params->bp;
  4132. u16 mii_control;
  4133. u16 i;
  4134. CL22_RD_OVER_CL45(bp, phy,
  4135. MDIO_REG_BANK_COMBO_IEEE0,
  4136. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4137. /* reset the unicore */
  4138. CL22_WR_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_COMBO_IEEE0,
  4140. MDIO_COMBO_IEEE0_MII_CONTROL,
  4141. (mii_control |
  4142. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4143. if (set_serdes)
  4144. bnx2x_set_serdes_access(bp, params->port);
  4145. /* wait for the reset to self clear */
  4146. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4147. udelay(5);
  4148. /* the reset erased the previous bank value */
  4149. CL22_RD_OVER_CL45(bp, phy,
  4150. MDIO_REG_BANK_COMBO_IEEE0,
  4151. MDIO_COMBO_IEEE0_MII_CONTROL,
  4152. &mii_control);
  4153. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4154. udelay(5);
  4155. return 0;
  4156. }
  4157. }
  4158. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4159. " Port %d\n",
  4160. params->port);
  4161. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4162. return -EINVAL;
  4163. }
  4164. static void bnx2x_set_swap_lanes(struct link_params *params,
  4165. struct bnx2x_phy *phy)
  4166. {
  4167. struct bnx2x *bp = params->bp;
  4168. /*
  4169. * Each two bits represents a lane number:
  4170. * No swap is 0123 => 0x1b no need to enable the swap
  4171. */
  4172. u16 rx_lane_swap, tx_lane_swap;
  4173. rx_lane_swap = ((params->lane_config &
  4174. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4175. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4176. tx_lane_swap = ((params->lane_config &
  4177. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4178. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4179. if (rx_lane_swap != 0x1b) {
  4180. CL22_WR_OVER_CL45(bp, phy,
  4181. MDIO_REG_BANK_XGXS_BLOCK2,
  4182. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4183. (rx_lane_swap |
  4184. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4185. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4186. } else {
  4187. CL22_WR_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_XGXS_BLOCK2,
  4189. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4190. }
  4191. if (tx_lane_swap != 0x1b) {
  4192. CL22_WR_OVER_CL45(bp, phy,
  4193. MDIO_REG_BANK_XGXS_BLOCK2,
  4194. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4195. (tx_lane_swap |
  4196. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4197. } else {
  4198. CL22_WR_OVER_CL45(bp, phy,
  4199. MDIO_REG_BANK_XGXS_BLOCK2,
  4200. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4201. }
  4202. }
  4203. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4204. struct link_params *params)
  4205. {
  4206. struct bnx2x *bp = params->bp;
  4207. u16 control2;
  4208. CL22_RD_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_SERDES_DIGITAL,
  4210. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4211. &control2);
  4212. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4213. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4214. else
  4215. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4216. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4217. phy->speed_cap_mask, control2);
  4218. CL22_WR_OVER_CL45(bp, phy,
  4219. MDIO_REG_BANK_SERDES_DIGITAL,
  4220. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4221. control2);
  4222. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4223. (phy->speed_cap_mask &
  4224. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4225. DP(NETIF_MSG_LINK, "XGXS\n");
  4226. CL22_WR_OVER_CL45(bp, phy,
  4227. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4228. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4229. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4230. CL22_RD_OVER_CL45(bp, phy,
  4231. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4232. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4233. &control2);
  4234. control2 |=
  4235. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4236. CL22_WR_OVER_CL45(bp, phy,
  4237. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4238. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4239. control2);
  4240. /* Disable parallel detection of HiG */
  4241. CL22_WR_OVER_CL45(bp, phy,
  4242. MDIO_REG_BANK_XGXS_BLOCK2,
  4243. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4244. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4245. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4246. }
  4247. }
  4248. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4249. struct link_params *params,
  4250. struct link_vars *vars,
  4251. u8 enable_cl73)
  4252. {
  4253. struct bnx2x *bp = params->bp;
  4254. u16 reg_val;
  4255. /* CL37 Autoneg */
  4256. CL22_RD_OVER_CL45(bp, phy,
  4257. MDIO_REG_BANK_COMBO_IEEE0,
  4258. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4259. /* CL37 Autoneg Enabled */
  4260. if (vars->line_speed == SPEED_AUTO_NEG)
  4261. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4262. else /* CL37 Autoneg Disabled */
  4263. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4264. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4265. CL22_WR_OVER_CL45(bp, phy,
  4266. MDIO_REG_BANK_COMBO_IEEE0,
  4267. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4268. /* Enable/Disable Autodetection */
  4269. CL22_RD_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_SERDES_DIGITAL,
  4271. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4272. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4273. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4274. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4275. if (vars->line_speed == SPEED_AUTO_NEG)
  4276. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4277. else
  4278. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4279. CL22_WR_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_SERDES_DIGITAL,
  4281. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4282. /* Enable TetonII and BAM autoneg */
  4283. CL22_RD_OVER_CL45(bp, phy,
  4284. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4285. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4286. &reg_val);
  4287. if (vars->line_speed == SPEED_AUTO_NEG) {
  4288. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4289. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4290. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4291. } else {
  4292. /* TetonII and BAM Autoneg Disabled */
  4293. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4294. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4295. }
  4296. CL22_WR_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4298. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4299. reg_val);
  4300. if (enable_cl73) {
  4301. /* Enable Cl73 FSM status bits */
  4302. CL22_WR_OVER_CL45(bp, phy,
  4303. MDIO_REG_BANK_CL73_USERB0,
  4304. MDIO_CL73_USERB0_CL73_UCTRL,
  4305. 0xe);
  4306. /* Enable BAM Station Manager*/
  4307. CL22_WR_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_CL73_USERB0,
  4309. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4310. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4311. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4312. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4313. /* Advertise CL73 link speeds */
  4314. CL22_RD_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_CL73_IEEEB1,
  4316. MDIO_CL73_IEEEB1_AN_ADV2,
  4317. &reg_val);
  4318. if (phy->speed_cap_mask &
  4319. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4320. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4321. if (phy->speed_cap_mask &
  4322. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4323. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4324. CL22_WR_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_CL73_IEEEB1,
  4326. MDIO_CL73_IEEEB1_AN_ADV2,
  4327. reg_val);
  4328. /* CL73 Autoneg Enabled */
  4329. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4330. } else /* CL73 Autoneg Disabled */
  4331. reg_val = 0;
  4332. CL22_WR_OVER_CL45(bp, phy,
  4333. MDIO_REG_BANK_CL73_IEEEB0,
  4334. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4335. }
  4336. /* program SerDes, forced speed */
  4337. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4338. struct link_params *params,
  4339. struct link_vars *vars)
  4340. {
  4341. struct bnx2x *bp = params->bp;
  4342. u16 reg_val;
  4343. /* program duplex, disable autoneg and sgmii*/
  4344. CL22_RD_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_COMBO_IEEE0,
  4346. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4347. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4348. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4349. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4350. if (phy->req_duplex == DUPLEX_FULL)
  4351. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4352. CL22_WR_OVER_CL45(bp, phy,
  4353. MDIO_REG_BANK_COMBO_IEEE0,
  4354. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4355. /*
  4356. * program speed
  4357. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4358. */
  4359. CL22_RD_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_SERDES_DIGITAL,
  4361. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4362. /* clearing the speed value before setting the right speed */
  4363. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4364. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4365. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4366. if (!((vars->line_speed == SPEED_1000) ||
  4367. (vars->line_speed == SPEED_100) ||
  4368. (vars->line_speed == SPEED_10))) {
  4369. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4370. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4371. if (vars->line_speed == SPEED_10000)
  4372. reg_val |=
  4373. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4374. }
  4375. CL22_WR_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_SERDES_DIGITAL,
  4377. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4378. }
  4379. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4380. struct link_params *params)
  4381. {
  4382. struct bnx2x *bp = params->bp;
  4383. u16 val = 0;
  4384. /* configure the 48 bits for BAM AN */
  4385. /* set extended capabilities */
  4386. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4387. val |= MDIO_OVER_1G_UP1_2_5G;
  4388. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4389. val |= MDIO_OVER_1G_UP1_10G;
  4390. CL22_WR_OVER_CL45(bp, phy,
  4391. MDIO_REG_BANK_OVER_1G,
  4392. MDIO_OVER_1G_UP1, val);
  4393. CL22_WR_OVER_CL45(bp, phy,
  4394. MDIO_REG_BANK_OVER_1G,
  4395. MDIO_OVER_1G_UP3, 0x400);
  4396. }
  4397. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4398. struct link_params *params,
  4399. u16 ieee_fc)
  4400. {
  4401. struct bnx2x *bp = params->bp;
  4402. u16 val;
  4403. /* for AN, we are always publishing full duplex */
  4404. CL22_WR_OVER_CL45(bp, phy,
  4405. MDIO_REG_BANK_COMBO_IEEE0,
  4406. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4407. CL22_RD_OVER_CL45(bp, phy,
  4408. MDIO_REG_BANK_CL73_IEEEB1,
  4409. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4410. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4411. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4412. CL22_WR_OVER_CL45(bp, phy,
  4413. MDIO_REG_BANK_CL73_IEEEB1,
  4414. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4415. }
  4416. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4417. struct link_params *params,
  4418. u8 enable_cl73)
  4419. {
  4420. struct bnx2x *bp = params->bp;
  4421. u16 mii_control;
  4422. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4423. /* Enable and restart BAM/CL37 aneg */
  4424. if (enable_cl73) {
  4425. CL22_RD_OVER_CL45(bp, phy,
  4426. MDIO_REG_BANK_CL73_IEEEB0,
  4427. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4428. &mii_control);
  4429. CL22_WR_OVER_CL45(bp, phy,
  4430. MDIO_REG_BANK_CL73_IEEEB0,
  4431. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4432. (mii_control |
  4433. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4434. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4435. } else {
  4436. CL22_RD_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_COMBO_IEEE0,
  4438. MDIO_COMBO_IEEE0_MII_CONTROL,
  4439. &mii_control);
  4440. DP(NETIF_MSG_LINK,
  4441. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4442. mii_control);
  4443. CL22_WR_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_COMBO_IEEE0,
  4445. MDIO_COMBO_IEEE0_MII_CONTROL,
  4446. (mii_control |
  4447. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4448. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4449. }
  4450. }
  4451. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4452. struct link_params *params,
  4453. struct link_vars *vars)
  4454. {
  4455. struct bnx2x *bp = params->bp;
  4456. u16 control1;
  4457. /* in SGMII mode, the unicore is always slave */
  4458. CL22_RD_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_SERDES_DIGITAL,
  4460. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4461. &control1);
  4462. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4463. /* set sgmii mode (and not fiber) */
  4464. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4465. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4466. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4467. CL22_WR_OVER_CL45(bp, phy,
  4468. MDIO_REG_BANK_SERDES_DIGITAL,
  4469. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4470. control1);
  4471. /* if forced speed */
  4472. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4473. /* set speed, disable autoneg */
  4474. u16 mii_control;
  4475. CL22_RD_OVER_CL45(bp, phy,
  4476. MDIO_REG_BANK_COMBO_IEEE0,
  4477. MDIO_COMBO_IEEE0_MII_CONTROL,
  4478. &mii_control);
  4479. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4480. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4481. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4482. switch (vars->line_speed) {
  4483. case SPEED_100:
  4484. mii_control |=
  4485. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4486. break;
  4487. case SPEED_1000:
  4488. mii_control |=
  4489. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4490. break;
  4491. case SPEED_10:
  4492. /* there is nothing to set for 10M */
  4493. break;
  4494. default:
  4495. /* invalid speed for SGMII */
  4496. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4497. vars->line_speed);
  4498. break;
  4499. }
  4500. /* setting the full duplex */
  4501. if (phy->req_duplex == DUPLEX_FULL)
  4502. mii_control |=
  4503. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4504. CL22_WR_OVER_CL45(bp, phy,
  4505. MDIO_REG_BANK_COMBO_IEEE0,
  4506. MDIO_COMBO_IEEE0_MII_CONTROL,
  4507. mii_control);
  4508. } else { /* AN mode */
  4509. /* enable and restart AN */
  4510. bnx2x_restart_autoneg(phy, params, 0);
  4511. }
  4512. }
  4513. /*
  4514. * link management
  4515. */
  4516. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4517. struct link_params *params)
  4518. {
  4519. struct bnx2x *bp = params->bp;
  4520. u16 pd_10g, status2_1000x;
  4521. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4522. return 0;
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_SERDES_DIGITAL,
  4525. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4526. &status2_1000x);
  4527. CL22_RD_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_SERDES_DIGITAL,
  4529. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4530. &status2_1000x);
  4531. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4532. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4533. params->port);
  4534. return 1;
  4535. }
  4536. CL22_RD_OVER_CL45(bp, phy,
  4537. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4538. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4539. &pd_10g);
  4540. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4541. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4542. params->port);
  4543. return 1;
  4544. }
  4545. return 0;
  4546. }
  4547. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4548. struct link_params *params,
  4549. struct link_vars *vars,
  4550. u32 gp_status)
  4551. {
  4552. struct bnx2x *bp = params->bp;
  4553. u16 ld_pause; /* local driver */
  4554. u16 lp_pause; /* link partner */
  4555. u16 pause_result;
  4556. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4557. /* resolve from gp_status in case of AN complete and not sgmii */
  4558. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4559. vars->flow_ctrl = phy->req_flow_ctrl;
  4560. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4561. vars->flow_ctrl = params->req_fc_auto_adv;
  4562. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4563. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4564. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4565. vars->flow_ctrl = params->req_fc_auto_adv;
  4566. return;
  4567. }
  4568. if ((gp_status &
  4569. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4570. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4571. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4572. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4573. CL22_RD_OVER_CL45(bp, phy,
  4574. MDIO_REG_BANK_CL73_IEEEB1,
  4575. MDIO_CL73_IEEEB1_AN_ADV1,
  4576. &ld_pause);
  4577. CL22_RD_OVER_CL45(bp, phy,
  4578. MDIO_REG_BANK_CL73_IEEEB1,
  4579. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4580. &lp_pause);
  4581. pause_result = (ld_pause &
  4582. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4583. >> 8;
  4584. pause_result |= (lp_pause &
  4585. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4586. >> 10;
  4587. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4588. pause_result);
  4589. } else {
  4590. CL22_RD_OVER_CL45(bp, phy,
  4591. MDIO_REG_BANK_COMBO_IEEE0,
  4592. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4593. &ld_pause);
  4594. CL22_RD_OVER_CL45(bp, phy,
  4595. MDIO_REG_BANK_COMBO_IEEE0,
  4596. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4597. &lp_pause);
  4598. pause_result = (ld_pause &
  4599. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4600. pause_result |= (lp_pause &
  4601. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4602. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4603. pause_result);
  4604. }
  4605. bnx2x_pause_resolve(vars, pause_result);
  4606. }
  4607. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4608. }
  4609. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4610. struct link_params *params)
  4611. {
  4612. struct bnx2x *bp = params->bp;
  4613. u16 rx_status, ustat_val, cl37_fsm_received;
  4614. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4615. /* Step 1: Make sure signal is detected */
  4616. CL22_RD_OVER_CL45(bp, phy,
  4617. MDIO_REG_BANK_RX0,
  4618. MDIO_RX0_RX_STATUS,
  4619. &rx_status);
  4620. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4621. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4622. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4623. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4624. CL22_WR_OVER_CL45(bp, phy,
  4625. MDIO_REG_BANK_CL73_IEEEB0,
  4626. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4627. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4628. return;
  4629. }
  4630. /* Step 2: Check CL73 state machine */
  4631. CL22_RD_OVER_CL45(bp, phy,
  4632. MDIO_REG_BANK_CL73_USERB0,
  4633. MDIO_CL73_USERB0_CL73_USTAT1,
  4634. &ustat_val);
  4635. if ((ustat_val &
  4636. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4637. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4638. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4639. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4640. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4641. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4642. return;
  4643. }
  4644. /*
  4645. * Step 3: Check CL37 Message Pages received to indicate LP
  4646. * supports only CL37
  4647. */
  4648. CL22_RD_OVER_CL45(bp, phy,
  4649. MDIO_REG_BANK_REMOTE_PHY,
  4650. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4651. &cl37_fsm_received);
  4652. if ((cl37_fsm_received &
  4653. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4654. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4655. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4656. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4657. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4658. "misc_rx_status(0x8330) = 0x%x\n",
  4659. cl37_fsm_received);
  4660. return;
  4661. }
  4662. /*
  4663. * The combined cl37/cl73 fsm state information indicating that
  4664. * we are connected to a device which does not support cl73, but
  4665. * does support cl37 BAM. In this case we disable cl73 and
  4666. * restart cl37 auto-neg
  4667. */
  4668. /* Disable CL73 */
  4669. CL22_WR_OVER_CL45(bp, phy,
  4670. MDIO_REG_BANK_CL73_IEEEB0,
  4671. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4672. 0);
  4673. /* Restart CL37 autoneg */
  4674. bnx2x_restart_autoneg(phy, params, 0);
  4675. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4676. }
  4677. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4678. struct link_params *params,
  4679. struct link_vars *vars,
  4680. u32 gp_status)
  4681. {
  4682. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4683. vars->link_status |=
  4684. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4685. if (bnx2x_direct_parallel_detect_used(phy, params))
  4686. vars->link_status |=
  4687. LINK_STATUS_PARALLEL_DETECTION_USED;
  4688. }
  4689. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4690. struct link_params *params,
  4691. struct link_vars *vars,
  4692. u16 is_link_up,
  4693. u16 speed_mask,
  4694. u16 is_duplex)
  4695. {
  4696. struct bnx2x *bp = params->bp;
  4697. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4698. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4699. if (is_link_up) {
  4700. DP(NETIF_MSG_LINK, "phy link up\n");
  4701. vars->phy_link_up = 1;
  4702. vars->link_status |= LINK_STATUS_LINK_UP;
  4703. switch (speed_mask) {
  4704. case GP_STATUS_10M:
  4705. vars->line_speed = SPEED_10;
  4706. if (vars->duplex == DUPLEX_FULL)
  4707. vars->link_status |= LINK_10TFD;
  4708. else
  4709. vars->link_status |= LINK_10THD;
  4710. break;
  4711. case GP_STATUS_100M:
  4712. vars->line_speed = SPEED_100;
  4713. if (vars->duplex == DUPLEX_FULL)
  4714. vars->link_status |= LINK_100TXFD;
  4715. else
  4716. vars->link_status |= LINK_100TXHD;
  4717. break;
  4718. case GP_STATUS_1G:
  4719. case GP_STATUS_1G_KX:
  4720. vars->line_speed = SPEED_1000;
  4721. if (vars->duplex == DUPLEX_FULL)
  4722. vars->link_status |= LINK_1000TFD;
  4723. else
  4724. vars->link_status |= LINK_1000THD;
  4725. break;
  4726. case GP_STATUS_2_5G:
  4727. vars->line_speed = SPEED_2500;
  4728. if (vars->duplex == DUPLEX_FULL)
  4729. vars->link_status |= LINK_2500TFD;
  4730. else
  4731. vars->link_status |= LINK_2500THD;
  4732. break;
  4733. case GP_STATUS_5G:
  4734. case GP_STATUS_6G:
  4735. DP(NETIF_MSG_LINK,
  4736. "link speed unsupported gp_status 0x%x\n",
  4737. speed_mask);
  4738. return -EINVAL;
  4739. case GP_STATUS_10G_KX4:
  4740. case GP_STATUS_10G_HIG:
  4741. case GP_STATUS_10G_CX4:
  4742. case GP_STATUS_10G_KR:
  4743. case GP_STATUS_10G_SFI:
  4744. case GP_STATUS_10G_XFI:
  4745. vars->line_speed = SPEED_10000;
  4746. vars->link_status |= LINK_10GTFD;
  4747. break;
  4748. case GP_STATUS_20G_DXGXS:
  4749. vars->line_speed = SPEED_20000;
  4750. vars->link_status |= LINK_20GTFD;
  4751. break;
  4752. default:
  4753. DP(NETIF_MSG_LINK,
  4754. "link speed unsupported gp_status 0x%x\n",
  4755. speed_mask);
  4756. return -EINVAL;
  4757. }
  4758. } else { /* link_down */
  4759. DP(NETIF_MSG_LINK, "phy link down\n");
  4760. vars->phy_link_up = 0;
  4761. vars->duplex = DUPLEX_FULL;
  4762. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4763. vars->mac_type = MAC_TYPE_NONE;
  4764. }
  4765. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4766. vars->phy_link_up, vars->line_speed);
  4767. return 0;
  4768. }
  4769. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4770. struct link_params *params,
  4771. struct link_vars *vars)
  4772. {
  4773. struct bnx2x *bp = params->bp;
  4774. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4775. int rc = 0;
  4776. /* Read gp_status */
  4777. CL22_RD_OVER_CL45(bp, phy,
  4778. MDIO_REG_BANK_GP_STATUS,
  4779. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4780. &gp_status);
  4781. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4782. duplex = DUPLEX_FULL;
  4783. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4784. link_up = 1;
  4785. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4786. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4787. gp_status, link_up, speed_mask);
  4788. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4789. duplex);
  4790. if (rc == -EINVAL)
  4791. return rc;
  4792. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4793. if (SINGLE_MEDIA_DIRECT(params)) {
  4794. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4795. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4796. bnx2x_xgxs_an_resolve(phy, params, vars,
  4797. gp_status);
  4798. }
  4799. } else { /* link_down */
  4800. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4801. SINGLE_MEDIA_DIRECT(params)) {
  4802. /* Check signal is detected */
  4803. bnx2x_check_fallback_to_cl37(phy, params);
  4804. }
  4805. }
  4806. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4807. vars->duplex, vars->flow_ctrl, vars->link_status);
  4808. return rc;
  4809. }
  4810. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4811. struct link_params *params,
  4812. struct link_vars *vars)
  4813. {
  4814. struct bnx2x *bp = params->bp;
  4815. u8 lane;
  4816. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4817. int rc = 0;
  4818. lane = bnx2x_get_warpcore_lane(phy, params);
  4819. /* Read gp_status */
  4820. if (phy->req_line_speed > SPEED_10000) {
  4821. u16 temp_link_up;
  4822. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4823. 1, &temp_link_up);
  4824. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4825. 1, &link_up);
  4826. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4827. temp_link_up, link_up);
  4828. link_up &= (1<<2);
  4829. if (link_up)
  4830. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4831. } else {
  4832. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4833. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4834. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4835. /* Check for either KR or generic link up. */
  4836. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4837. ((gp_status1 >> 12) & 0xf);
  4838. link_up = gp_status1 & (1 << lane);
  4839. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4840. u16 pd, gp_status4;
  4841. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4842. /* Check Autoneg complete */
  4843. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4844. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4845. &gp_status4);
  4846. if (gp_status4 & ((1<<12)<<lane))
  4847. vars->link_status |=
  4848. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4849. /* Check parallel detect used */
  4850. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4851. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4852. &pd);
  4853. if (pd & (1<<15))
  4854. vars->link_status |=
  4855. LINK_STATUS_PARALLEL_DETECTION_USED;
  4856. }
  4857. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4858. }
  4859. }
  4860. if (lane < 2) {
  4861. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4862. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4863. } else {
  4864. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4865. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4866. }
  4867. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4868. if ((lane & 1) == 0)
  4869. gp_speed <<= 8;
  4870. gp_speed &= 0x3f00;
  4871. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4872. duplex);
  4873. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4874. vars->duplex, vars->flow_ctrl, vars->link_status);
  4875. return rc;
  4876. }
  4877. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4878. {
  4879. struct bnx2x *bp = params->bp;
  4880. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4881. u16 lp_up2;
  4882. u16 tx_driver;
  4883. u16 bank;
  4884. /* read precomp */
  4885. CL22_RD_OVER_CL45(bp, phy,
  4886. MDIO_REG_BANK_OVER_1G,
  4887. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4888. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4889. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4890. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4891. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4892. if (lp_up2 == 0)
  4893. return;
  4894. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4895. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4896. CL22_RD_OVER_CL45(bp, phy,
  4897. bank,
  4898. MDIO_TX0_TX_DRIVER, &tx_driver);
  4899. /* replace tx_driver bits [15:12] */
  4900. if (lp_up2 !=
  4901. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4902. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4903. tx_driver |= lp_up2;
  4904. CL22_WR_OVER_CL45(bp, phy,
  4905. bank,
  4906. MDIO_TX0_TX_DRIVER, tx_driver);
  4907. }
  4908. }
  4909. }
  4910. static int bnx2x_emac_program(struct link_params *params,
  4911. struct link_vars *vars)
  4912. {
  4913. struct bnx2x *bp = params->bp;
  4914. u8 port = params->port;
  4915. u16 mode = 0;
  4916. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4917. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4918. EMAC_REG_EMAC_MODE,
  4919. (EMAC_MODE_25G_MODE |
  4920. EMAC_MODE_PORT_MII_10M |
  4921. EMAC_MODE_HALF_DUPLEX));
  4922. switch (vars->line_speed) {
  4923. case SPEED_10:
  4924. mode |= EMAC_MODE_PORT_MII_10M;
  4925. break;
  4926. case SPEED_100:
  4927. mode |= EMAC_MODE_PORT_MII;
  4928. break;
  4929. case SPEED_1000:
  4930. mode |= EMAC_MODE_PORT_GMII;
  4931. break;
  4932. case SPEED_2500:
  4933. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4934. break;
  4935. default:
  4936. /* 10G not valid for EMAC */
  4937. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4938. vars->line_speed);
  4939. return -EINVAL;
  4940. }
  4941. if (vars->duplex == DUPLEX_HALF)
  4942. mode |= EMAC_MODE_HALF_DUPLEX;
  4943. bnx2x_bits_en(bp,
  4944. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4945. mode);
  4946. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4947. return 0;
  4948. }
  4949. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4950. struct link_params *params)
  4951. {
  4952. u16 bank, i = 0;
  4953. struct bnx2x *bp = params->bp;
  4954. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4955. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4956. CL22_WR_OVER_CL45(bp, phy,
  4957. bank,
  4958. MDIO_RX0_RX_EQ_BOOST,
  4959. phy->rx_preemphasis[i]);
  4960. }
  4961. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4962. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4963. CL22_WR_OVER_CL45(bp, phy,
  4964. bank,
  4965. MDIO_TX0_TX_DRIVER,
  4966. phy->tx_preemphasis[i]);
  4967. }
  4968. }
  4969. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4970. struct link_params *params,
  4971. struct link_vars *vars)
  4972. {
  4973. struct bnx2x *bp = params->bp;
  4974. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4975. (params->loopback_mode == LOOPBACK_XGXS));
  4976. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4977. if (SINGLE_MEDIA_DIRECT(params) &&
  4978. (params->feature_config_flags &
  4979. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4980. bnx2x_set_preemphasis(phy, params);
  4981. /* forced speed requested? */
  4982. if (vars->line_speed != SPEED_AUTO_NEG ||
  4983. (SINGLE_MEDIA_DIRECT(params) &&
  4984. params->loopback_mode == LOOPBACK_EXT)) {
  4985. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4986. /* disable autoneg */
  4987. bnx2x_set_autoneg(phy, params, vars, 0);
  4988. /* program speed and duplex */
  4989. bnx2x_program_serdes(phy, params, vars);
  4990. } else { /* AN_mode */
  4991. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4992. /* AN enabled */
  4993. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4994. /* program duplex & pause advertisement (for aneg) */
  4995. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4996. vars->ieee_fc);
  4997. /* enable autoneg */
  4998. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4999. /* enable and restart AN */
  5000. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5001. }
  5002. } else { /* SGMII mode */
  5003. DP(NETIF_MSG_LINK, "SGMII\n");
  5004. bnx2x_initialize_sgmii_process(phy, params, vars);
  5005. }
  5006. }
  5007. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5008. struct link_params *params,
  5009. struct link_vars *vars)
  5010. {
  5011. int rc;
  5012. vars->phy_flags |= PHY_XGXS_FLAG;
  5013. if ((phy->req_line_speed &&
  5014. ((phy->req_line_speed == SPEED_100) ||
  5015. (phy->req_line_speed == SPEED_10))) ||
  5016. (!phy->req_line_speed &&
  5017. (phy->speed_cap_mask >=
  5018. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5019. (phy->speed_cap_mask <
  5020. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5021. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5022. vars->phy_flags |= PHY_SGMII_FLAG;
  5023. else
  5024. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5025. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5026. bnx2x_set_aer_mmd(params, phy);
  5027. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5028. bnx2x_set_master_ln(params, phy);
  5029. rc = bnx2x_reset_unicore(params, phy, 0);
  5030. /* reset the SerDes and wait for reset bit return low */
  5031. if (rc != 0)
  5032. return rc;
  5033. bnx2x_set_aer_mmd(params, phy);
  5034. /* setting the masterLn_def again after the reset */
  5035. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5036. bnx2x_set_master_ln(params, phy);
  5037. bnx2x_set_swap_lanes(params, phy);
  5038. }
  5039. return rc;
  5040. }
  5041. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5042. struct bnx2x_phy *phy,
  5043. struct link_params *params)
  5044. {
  5045. u16 cnt, ctrl;
  5046. /* Wait for soft reset to get cleared up to 1 sec */
  5047. for (cnt = 0; cnt < 1000; cnt++) {
  5048. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5049. bnx2x_cl22_read(bp, phy,
  5050. MDIO_PMA_REG_CTRL, &ctrl);
  5051. else
  5052. bnx2x_cl45_read(bp, phy,
  5053. MDIO_PMA_DEVAD,
  5054. MDIO_PMA_REG_CTRL, &ctrl);
  5055. if (!(ctrl & (1<<15)))
  5056. break;
  5057. msleep(1);
  5058. }
  5059. if (cnt == 1000)
  5060. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5061. " Port %d\n",
  5062. params->port);
  5063. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5064. return cnt;
  5065. }
  5066. static void bnx2x_link_int_enable(struct link_params *params)
  5067. {
  5068. u8 port = params->port;
  5069. u32 mask;
  5070. struct bnx2x *bp = params->bp;
  5071. /* Setting the status to report on link up for either XGXS or SerDes */
  5072. if (CHIP_IS_E3(bp)) {
  5073. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5074. if (!(SINGLE_MEDIA_DIRECT(params)))
  5075. mask |= NIG_MASK_MI_INT;
  5076. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5077. mask = (NIG_MASK_XGXS0_LINK10G |
  5078. NIG_MASK_XGXS0_LINK_STATUS);
  5079. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5080. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5081. params->phy[INT_PHY].type !=
  5082. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5083. mask |= NIG_MASK_MI_INT;
  5084. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5085. }
  5086. } else { /* SerDes */
  5087. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5088. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5089. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5090. params->phy[INT_PHY].type !=
  5091. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5092. mask |= NIG_MASK_MI_INT;
  5093. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5094. }
  5095. }
  5096. bnx2x_bits_en(bp,
  5097. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5098. mask);
  5099. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5100. (params->switch_cfg == SWITCH_CFG_10G),
  5101. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5102. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5103. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5104. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5105. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5106. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5107. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5108. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5109. }
  5110. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5111. u8 exp_mi_int)
  5112. {
  5113. u32 latch_status = 0;
  5114. /*
  5115. * Disable the MI INT ( external phy int ) by writing 1 to the
  5116. * status register. Link down indication is high-active-signal,
  5117. * so in this case we need to write the status to clear the XOR
  5118. */
  5119. /* Read Latched signals */
  5120. latch_status = REG_RD(bp,
  5121. NIG_REG_LATCH_STATUS_0 + port*8);
  5122. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5123. /* Handle only those with latched-signal=up.*/
  5124. if (exp_mi_int)
  5125. bnx2x_bits_en(bp,
  5126. NIG_REG_STATUS_INTERRUPT_PORT0
  5127. + port*4,
  5128. NIG_STATUS_EMAC0_MI_INT);
  5129. else
  5130. bnx2x_bits_dis(bp,
  5131. NIG_REG_STATUS_INTERRUPT_PORT0
  5132. + port*4,
  5133. NIG_STATUS_EMAC0_MI_INT);
  5134. if (latch_status & 1) {
  5135. /* For all latched-signal=up : Re-Arm Latch signals */
  5136. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5137. (latch_status & 0xfffe) | (latch_status & 1));
  5138. }
  5139. /* For all latched-signal=up,Write original_signal to status */
  5140. }
  5141. static void bnx2x_link_int_ack(struct link_params *params,
  5142. struct link_vars *vars, u8 is_10g_plus)
  5143. {
  5144. struct bnx2x *bp = params->bp;
  5145. u8 port = params->port;
  5146. u32 mask;
  5147. /*
  5148. * First reset all status we assume only one line will be
  5149. * change at a time
  5150. */
  5151. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5152. (NIG_STATUS_XGXS0_LINK10G |
  5153. NIG_STATUS_XGXS0_LINK_STATUS |
  5154. NIG_STATUS_SERDES0_LINK_STATUS));
  5155. if (vars->phy_link_up) {
  5156. if (USES_WARPCORE(bp))
  5157. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5158. else {
  5159. if (is_10g_plus)
  5160. mask = NIG_STATUS_XGXS0_LINK10G;
  5161. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5162. /*
  5163. * Disable the link interrupt by writing 1 to
  5164. * the relevant lane in the status register
  5165. */
  5166. u32 ser_lane =
  5167. ((params->lane_config &
  5168. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5169. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5170. mask = ((1 << ser_lane) <<
  5171. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5172. } else
  5173. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5174. }
  5175. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5176. mask);
  5177. bnx2x_bits_en(bp,
  5178. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5179. mask);
  5180. }
  5181. }
  5182. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5183. {
  5184. u8 *str_ptr = str;
  5185. u32 mask = 0xf0000000;
  5186. u8 shift = 8*4;
  5187. u8 digit;
  5188. u8 remove_leading_zeros = 1;
  5189. if (*len < 10) {
  5190. /* Need more than 10chars for this format */
  5191. *str_ptr = '\0';
  5192. (*len)--;
  5193. return -EINVAL;
  5194. }
  5195. while (shift > 0) {
  5196. shift -= 4;
  5197. digit = ((num & mask) >> shift);
  5198. if (digit == 0 && remove_leading_zeros) {
  5199. mask = mask >> 4;
  5200. continue;
  5201. } else if (digit < 0xa)
  5202. *str_ptr = digit + '0';
  5203. else
  5204. *str_ptr = digit - 0xa + 'a';
  5205. remove_leading_zeros = 0;
  5206. str_ptr++;
  5207. (*len)--;
  5208. mask = mask >> 4;
  5209. if (shift == 4*4) {
  5210. *str_ptr = '.';
  5211. str_ptr++;
  5212. (*len)--;
  5213. remove_leading_zeros = 1;
  5214. }
  5215. }
  5216. return 0;
  5217. }
  5218. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5219. {
  5220. str[0] = '\0';
  5221. (*len)--;
  5222. return 0;
  5223. }
  5224. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5225. u8 *version, u16 len)
  5226. {
  5227. struct bnx2x *bp;
  5228. u32 spirom_ver = 0;
  5229. int status = 0;
  5230. u8 *ver_p = version;
  5231. u16 remain_len = len;
  5232. if (version == NULL || params == NULL)
  5233. return -EINVAL;
  5234. bp = params->bp;
  5235. /* Extract first external phy*/
  5236. version[0] = '\0';
  5237. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5238. if (params->phy[EXT_PHY1].format_fw_ver) {
  5239. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5240. ver_p,
  5241. &remain_len);
  5242. ver_p += (len - remain_len);
  5243. }
  5244. if ((params->num_phys == MAX_PHYS) &&
  5245. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5246. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5247. if (params->phy[EXT_PHY2].format_fw_ver) {
  5248. *ver_p = '/';
  5249. ver_p++;
  5250. remain_len--;
  5251. status |= params->phy[EXT_PHY2].format_fw_ver(
  5252. spirom_ver,
  5253. ver_p,
  5254. &remain_len);
  5255. ver_p = version + (len - remain_len);
  5256. }
  5257. }
  5258. *ver_p = '\0';
  5259. return status;
  5260. }
  5261. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5262. struct link_params *params)
  5263. {
  5264. u8 port = params->port;
  5265. struct bnx2x *bp = params->bp;
  5266. if (phy->req_line_speed != SPEED_1000) {
  5267. u32 md_devad = 0;
  5268. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5269. if (!CHIP_IS_E3(bp)) {
  5270. /* change the uni_phy_addr in the nig */
  5271. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5272. port*0x18));
  5273. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5274. 0x5);
  5275. }
  5276. bnx2x_cl45_write(bp, phy,
  5277. 5,
  5278. (MDIO_REG_BANK_AER_BLOCK +
  5279. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5280. 0x2800);
  5281. bnx2x_cl45_write(bp, phy,
  5282. 5,
  5283. (MDIO_REG_BANK_CL73_IEEEB0 +
  5284. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5285. 0x6041);
  5286. msleep(200);
  5287. /* set aer mmd back */
  5288. bnx2x_set_aer_mmd(params, phy);
  5289. if (!CHIP_IS_E3(bp)) {
  5290. /* and md_devad */
  5291. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5292. md_devad);
  5293. }
  5294. } else {
  5295. u16 mii_ctrl;
  5296. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5297. bnx2x_cl45_read(bp, phy, 5,
  5298. (MDIO_REG_BANK_COMBO_IEEE0 +
  5299. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5300. &mii_ctrl);
  5301. bnx2x_cl45_write(bp, phy, 5,
  5302. (MDIO_REG_BANK_COMBO_IEEE0 +
  5303. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5304. mii_ctrl |
  5305. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5306. }
  5307. }
  5308. int bnx2x_set_led(struct link_params *params,
  5309. struct link_vars *vars, u8 mode, u32 speed)
  5310. {
  5311. u8 port = params->port;
  5312. u16 hw_led_mode = params->hw_led_mode;
  5313. int rc = 0;
  5314. u8 phy_idx;
  5315. u32 tmp;
  5316. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5317. struct bnx2x *bp = params->bp;
  5318. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5319. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5320. speed, hw_led_mode);
  5321. /* In case */
  5322. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5323. if (params->phy[phy_idx].set_link_led) {
  5324. params->phy[phy_idx].set_link_led(
  5325. &params->phy[phy_idx], params, mode);
  5326. }
  5327. }
  5328. switch (mode) {
  5329. case LED_MODE_FRONT_PANEL_OFF:
  5330. case LED_MODE_OFF:
  5331. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5332. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5333. SHARED_HW_CFG_LED_MAC1);
  5334. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5335. if (params->phy[EXT_PHY1].type ==
  5336. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5337. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5338. else {
  5339. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5340. (tmp | EMAC_LED_OVERRIDE));
  5341. }
  5342. break;
  5343. case LED_MODE_OPER:
  5344. /*
  5345. * For all other phys, OPER mode is same as ON, so in case
  5346. * link is down, do nothing
  5347. */
  5348. if (!vars->link_up)
  5349. break;
  5350. case LED_MODE_ON:
  5351. if (((params->phy[EXT_PHY1].type ==
  5352. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5353. (params->phy[EXT_PHY1].type ==
  5354. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5355. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5356. /*
  5357. * This is a work-around for E2+8727 Configurations
  5358. */
  5359. if (mode == LED_MODE_ON ||
  5360. speed == SPEED_10000){
  5361. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5362. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5363. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5364. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5365. (tmp | EMAC_LED_OVERRIDE));
  5366. /*
  5367. * return here without enabling traffic
  5368. * LED blink and setting rate in ON mode.
  5369. * In oper mode, enabling LED blink
  5370. * and setting rate is needed.
  5371. */
  5372. if (mode == LED_MODE_ON)
  5373. return rc;
  5374. }
  5375. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5376. /*
  5377. * This is a work-around for HW issue found when link
  5378. * is up in CL73
  5379. */
  5380. if ((!CHIP_IS_E3(bp)) ||
  5381. (CHIP_IS_E3(bp) &&
  5382. mode == LED_MODE_ON))
  5383. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5384. if (CHIP_IS_E1x(bp) ||
  5385. CHIP_IS_E2(bp) ||
  5386. (mode == LED_MODE_ON))
  5387. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5388. else
  5389. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5390. hw_led_mode);
  5391. } else if ((params->phy[EXT_PHY1].type ==
  5392. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5393. (mode != LED_MODE_OPER)) {
  5394. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5395. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5396. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5397. } else
  5398. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5399. hw_led_mode);
  5400. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5401. /* Set blinking rate to ~15.9Hz */
  5402. if (CHIP_IS_E3(bp))
  5403. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5404. LED_BLINK_RATE_VAL_E3);
  5405. else
  5406. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5407. LED_BLINK_RATE_VAL_E1X_E2);
  5408. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5409. port*4, 1);
  5410. if ((params->phy[EXT_PHY1].type !=
  5411. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5412. (mode != LED_MODE_OPER)) {
  5413. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5414. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5415. (tmp & (~EMAC_LED_OVERRIDE)));
  5416. }
  5417. if (CHIP_IS_E1(bp) &&
  5418. ((speed == SPEED_2500) ||
  5419. (speed == SPEED_1000) ||
  5420. (speed == SPEED_100) ||
  5421. (speed == SPEED_10))) {
  5422. /*
  5423. * On Everest 1 Ax chip versions for speeds less than
  5424. * 10G LED scheme is different
  5425. */
  5426. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5427. + port*4, 1);
  5428. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5429. port*4, 0);
  5430. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5431. port*4, 1);
  5432. }
  5433. break;
  5434. default:
  5435. rc = -EINVAL;
  5436. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5437. mode);
  5438. break;
  5439. }
  5440. return rc;
  5441. }
  5442. /*
  5443. * This function comes to reflect the actual link state read DIRECTLY from the
  5444. * HW
  5445. */
  5446. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5447. u8 is_serdes)
  5448. {
  5449. struct bnx2x *bp = params->bp;
  5450. u16 gp_status = 0, phy_index = 0;
  5451. u8 ext_phy_link_up = 0, serdes_phy_type;
  5452. struct link_vars temp_vars;
  5453. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5454. if (CHIP_IS_E3(bp)) {
  5455. u16 link_up;
  5456. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5457. > SPEED_10000) {
  5458. /* Check 20G link */
  5459. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5460. 1, &link_up);
  5461. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5462. 1, &link_up);
  5463. link_up &= (1<<2);
  5464. } else {
  5465. /* Check 10G link and below*/
  5466. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5467. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5468. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5469. &gp_status);
  5470. gp_status = ((gp_status >> 8) & 0xf) |
  5471. ((gp_status >> 12) & 0xf);
  5472. link_up = gp_status & (1 << lane);
  5473. }
  5474. if (!link_up)
  5475. return -ESRCH;
  5476. } else {
  5477. CL22_RD_OVER_CL45(bp, int_phy,
  5478. MDIO_REG_BANK_GP_STATUS,
  5479. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5480. &gp_status);
  5481. /* link is up only if both local phy and external phy are up */
  5482. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5483. return -ESRCH;
  5484. }
  5485. /* In XGXS loopback mode, do not check external PHY */
  5486. if (params->loopback_mode == LOOPBACK_XGXS)
  5487. return 0;
  5488. switch (params->num_phys) {
  5489. case 1:
  5490. /* No external PHY */
  5491. return 0;
  5492. case 2:
  5493. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5494. &params->phy[EXT_PHY1],
  5495. params, &temp_vars);
  5496. break;
  5497. case 3: /* Dual Media */
  5498. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5499. phy_index++) {
  5500. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5501. ETH_PHY_SFP_FIBER) ||
  5502. (params->phy[phy_index].media_type ==
  5503. ETH_PHY_XFP_FIBER) ||
  5504. (params->phy[phy_index].media_type ==
  5505. ETH_PHY_DA_TWINAX));
  5506. if (is_serdes != serdes_phy_type)
  5507. continue;
  5508. if (params->phy[phy_index].read_status) {
  5509. ext_phy_link_up |=
  5510. params->phy[phy_index].read_status(
  5511. &params->phy[phy_index],
  5512. params, &temp_vars);
  5513. }
  5514. }
  5515. break;
  5516. }
  5517. if (ext_phy_link_up)
  5518. return 0;
  5519. return -ESRCH;
  5520. }
  5521. static int bnx2x_link_initialize(struct link_params *params,
  5522. struct link_vars *vars)
  5523. {
  5524. int rc = 0;
  5525. u8 phy_index, non_ext_phy;
  5526. struct bnx2x *bp = params->bp;
  5527. /*
  5528. * In case of external phy existence, the line speed would be the
  5529. * line speed linked up by the external phy. In case it is direct
  5530. * only, then the line_speed during initialization will be
  5531. * equal to the req_line_speed
  5532. */
  5533. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5534. /*
  5535. * Initialize the internal phy in case this is a direct board
  5536. * (no external phys), or this board has external phy which requires
  5537. * to first.
  5538. */
  5539. if (!USES_WARPCORE(bp))
  5540. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5541. /* init ext phy and enable link state int */
  5542. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5543. (params->loopback_mode == LOOPBACK_XGXS));
  5544. if (non_ext_phy ||
  5545. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5546. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5547. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5548. if (vars->line_speed == SPEED_AUTO_NEG &&
  5549. (CHIP_IS_E1x(bp) ||
  5550. CHIP_IS_E2(bp)))
  5551. bnx2x_set_parallel_detection(phy, params);
  5552. if (params->phy[INT_PHY].config_init)
  5553. params->phy[INT_PHY].config_init(phy,
  5554. params,
  5555. vars);
  5556. }
  5557. /* Init external phy*/
  5558. if (non_ext_phy) {
  5559. if (params->phy[INT_PHY].supported &
  5560. SUPPORTED_FIBRE)
  5561. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5562. } else {
  5563. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5564. phy_index++) {
  5565. /*
  5566. * No need to initialize second phy in case of first
  5567. * phy only selection. In case of second phy, we do
  5568. * need to initialize the first phy, since they are
  5569. * connected.
  5570. */
  5571. if (params->phy[phy_index].supported &
  5572. SUPPORTED_FIBRE)
  5573. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5574. if (phy_index == EXT_PHY2 &&
  5575. (bnx2x_phy_selection(params) ==
  5576. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5577. DP(NETIF_MSG_LINK,
  5578. "Not initializing second phy\n");
  5579. continue;
  5580. }
  5581. params->phy[phy_index].config_init(
  5582. &params->phy[phy_index],
  5583. params, vars);
  5584. }
  5585. }
  5586. /* Reset the interrupt indication after phy was initialized */
  5587. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5588. params->port*4,
  5589. (NIG_STATUS_XGXS0_LINK10G |
  5590. NIG_STATUS_XGXS0_LINK_STATUS |
  5591. NIG_STATUS_SERDES0_LINK_STATUS |
  5592. NIG_MASK_MI_INT));
  5593. bnx2x_update_mng(params, vars->link_status);
  5594. return rc;
  5595. }
  5596. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5597. struct link_params *params)
  5598. {
  5599. /* reset the SerDes/XGXS */
  5600. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5601. (0x1ff << (params->port*16)));
  5602. }
  5603. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5604. struct link_params *params)
  5605. {
  5606. struct bnx2x *bp = params->bp;
  5607. u8 gpio_port;
  5608. /* HW reset */
  5609. if (CHIP_IS_E2(bp))
  5610. gpio_port = BP_PATH(bp);
  5611. else
  5612. gpio_port = params->port;
  5613. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5614. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5615. gpio_port);
  5616. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5617. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5618. gpio_port);
  5619. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5620. }
  5621. static int bnx2x_update_link_down(struct link_params *params,
  5622. struct link_vars *vars)
  5623. {
  5624. struct bnx2x *bp = params->bp;
  5625. u8 port = params->port;
  5626. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5627. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5628. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5629. /* indicate no mac active */
  5630. vars->mac_type = MAC_TYPE_NONE;
  5631. /* update shared memory */
  5632. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5633. LINK_STATUS_LINK_UP |
  5634. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5635. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5636. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5637. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5638. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5639. vars->line_speed = 0;
  5640. bnx2x_update_mng(params, vars->link_status);
  5641. /* activate nig drain */
  5642. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5643. /* disable emac */
  5644. if (!CHIP_IS_E3(bp))
  5645. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5646. msleep(10);
  5647. /* reset BigMac/Xmac */
  5648. if (CHIP_IS_E1x(bp) ||
  5649. CHIP_IS_E2(bp)) {
  5650. bnx2x_bmac_rx_disable(bp, params->port);
  5651. REG_WR(bp, GRCBASE_MISC +
  5652. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5653. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5654. }
  5655. if (CHIP_IS_E3(bp)) {
  5656. bnx2x_xmac_disable(params);
  5657. bnx2x_umac_disable(params);
  5658. }
  5659. return 0;
  5660. }
  5661. static int bnx2x_update_link_up(struct link_params *params,
  5662. struct link_vars *vars,
  5663. u8 link_10g)
  5664. {
  5665. struct bnx2x *bp = params->bp;
  5666. u8 port = params->port;
  5667. int rc = 0;
  5668. vars->link_status |= (LINK_STATUS_LINK_UP |
  5669. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5670. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5671. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5672. vars->link_status |=
  5673. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5674. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5675. vars->link_status |=
  5676. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5677. if (USES_WARPCORE(bp)) {
  5678. if (link_10g) {
  5679. if (bnx2x_xmac_enable(params, vars, 0) ==
  5680. -ESRCH) {
  5681. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5682. vars->link_up = 0;
  5683. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5684. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5685. }
  5686. } else
  5687. bnx2x_umac_enable(params, vars, 0);
  5688. bnx2x_set_led(params, vars,
  5689. LED_MODE_OPER, vars->line_speed);
  5690. }
  5691. if ((CHIP_IS_E1x(bp) ||
  5692. CHIP_IS_E2(bp))) {
  5693. if (link_10g) {
  5694. if (bnx2x_bmac_enable(params, vars, 0) ==
  5695. -ESRCH) {
  5696. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5697. vars->link_up = 0;
  5698. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5699. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5700. }
  5701. bnx2x_set_led(params, vars,
  5702. LED_MODE_OPER, SPEED_10000);
  5703. } else {
  5704. rc = bnx2x_emac_program(params, vars);
  5705. bnx2x_emac_enable(params, vars, 0);
  5706. /* AN complete? */
  5707. if ((vars->link_status &
  5708. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5709. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5710. SINGLE_MEDIA_DIRECT(params))
  5711. bnx2x_set_gmii_tx_driver(params);
  5712. }
  5713. }
  5714. /* PBF - link up */
  5715. if (CHIP_IS_E1x(bp))
  5716. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5717. vars->line_speed);
  5718. /* disable drain */
  5719. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5720. /* update shared memory */
  5721. bnx2x_update_mng(params, vars->link_status);
  5722. msleep(20);
  5723. return rc;
  5724. }
  5725. /*
  5726. * The bnx2x_link_update function should be called upon link
  5727. * interrupt.
  5728. * Link is considered up as follows:
  5729. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5730. * to be up
  5731. * - SINGLE_MEDIA - The link between the 577xx and the external
  5732. * phy (XGXS) need to up as well as the external link of the
  5733. * phy (PHY_EXT1)
  5734. * - DUAL_MEDIA - The link between the 577xx and the first
  5735. * external phy needs to be up, and at least one of the 2
  5736. * external phy link must be up.
  5737. */
  5738. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5739. {
  5740. struct bnx2x *bp = params->bp;
  5741. struct link_vars phy_vars[MAX_PHYS];
  5742. u8 port = params->port;
  5743. u8 link_10g_plus, phy_index;
  5744. u8 ext_phy_link_up = 0, cur_link_up;
  5745. int rc = 0;
  5746. u8 is_mi_int = 0;
  5747. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5748. u8 active_external_phy = INT_PHY;
  5749. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5750. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5751. phy_index++) {
  5752. phy_vars[phy_index].flow_ctrl = 0;
  5753. phy_vars[phy_index].link_status = 0;
  5754. phy_vars[phy_index].line_speed = 0;
  5755. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5756. phy_vars[phy_index].phy_link_up = 0;
  5757. phy_vars[phy_index].link_up = 0;
  5758. phy_vars[phy_index].fault_detected = 0;
  5759. }
  5760. if (USES_WARPCORE(bp))
  5761. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5762. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5763. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5764. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5765. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5766. port*0x18) > 0);
  5767. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5768. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5769. is_mi_int,
  5770. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5771. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5772. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5773. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5774. /* disable emac */
  5775. if (!CHIP_IS_E3(bp))
  5776. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5777. /*
  5778. * Step 1:
  5779. * Check external link change only for external phys, and apply
  5780. * priority selection between them in case the link on both phys
  5781. * is up. Note that instead of the common vars, a temporary
  5782. * vars argument is used since each phy may have different link/
  5783. * speed/duplex result
  5784. */
  5785. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5786. phy_index++) {
  5787. struct bnx2x_phy *phy = &params->phy[phy_index];
  5788. if (!phy->read_status)
  5789. continue;
  5790. /* Read link status and params of this ext phy */
  5791. cur_link_up = phy->read_status(phy, params,
  5792. &phy_vars[phy_index]);
  5793. if (cur_link_up) {
  5794. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5795. phy_index);
  5796. } else {
  5797. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5798. phy_index);
  5799. continue;
  5800. }
  5801. if (!ext_phy_link_up) {
  5802. ext_phy_link_up = 1;
  5803. active_external_phy = phy_index;
  5804. } else {
  5805. switch (bnx2x_phy_selection(params)) {
  5806. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5807. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5808. /*
  5809. * In this option, the first PHY makes sure to pass the
  5810. * traffic through itself only.
  5811. * Its not clear how to reset the link on the second phy
  5812. */
  5813. active_external_phy = EXT_PHY1;
  5814. break;
  5815. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5816. /*
  5817. * In this option, the first PHY makes sure to pass the
  5818. * traffic through the second PHY.
  5819. */
  5820. active_external_phy = EXT_PHY2;
  5821. break;
  5822. default:
  5823. /*
  5824. * Link indication on both PHYs with the following cases
  5825. * is invalid:
  5826. * - FIRST_PHY means that second phy wasn't initialized,
  5827. * hence its link is expected to be down
  5828. * - SECOND_PHY means that first phy should not be able
  5829. * to link up by itself (using configuration)
  5830. * - DEFAULT should be overriden during initialiazation
  5831. */
  5832. DP(NETIF_MSG_LINK, "Invalid link indication"
  5833. "mpc=0x%x. DISABLING LINK !!!\n",
  5834. params->multi_phy_config);
  5835. ext_phy_link_up = 0;
  5836. break;
  5837. }
  5838. }
  5839. }
  5840. prev_line_speed = vars->line_speed;
  5841. /*
  5842. * Step 2:
  5843. * Read the status of the internal phy. In case of
  5844. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5845. * otherwise this is the link between the 577xx and the first
  5846. * external phy
  5847. */
  5848. if (params->phy[INT_PHY].read_status)
  5849. params->phy[INT_PHY].read_status(
  5850. &params->phy[INT_PHY],
  5851. params, vars);
  5852. /*
  5853. * The INT_PHY flow control reside in the vars. This include the
  5854. * case where the speed or flow control are not set to AUTO.
  5855. * Otherwise, the active external phy flow control result is set
  5856. * to the vars. The ext_phy_line_speed is needed to check if the
  5857. * speed is different between the internal phy and external phy.
  5858. * This case may be result of intermediate link speed change.
  5859. */
  5860. if (active_external_phy > INT_PHY) {
  5861. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5862. /*
  5863. * Link speed is taken from the XGXS. AN and FC result from
  5864. * the external phy.
  5865. */
  5866. vars->link_status |= phy_vars[active_external_phy].link_status;
  5867. /*
  5868. * if active_external_phy is first PHY and link is up - disable
  5869. * disable TX on second external PHY
  5870. */
  5871. if (active_external_phy == EXT_PHY1) {
  5872. if (params->phy[EXT_PHY2].phy_specific_func) {
  5873. DP(NETIF_MSG_LINK,
  5874. "Disabling TX on EXT_PHY2\n");
  5875. params->phy[EXT_PHY2].phy_specific_func(
  5876. &params->phy[EXT_PHY2],
  5877. params, DISABLE_TX);
  5878. }
  5879. }
  5880. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5881. vars->duplex = phy_vars[active_external_phy].duplex;
  5882. if (params->phy[active_external_phy].supported &
  5883. SUPPORTED_FIBRE)
  5884. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5885. else
  5886. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5887. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5888. active_external_phy);
  5889. }
  5890. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5891. phy_index++) {
  5892. if (params->phy[phy_index].flags &
  5893. FLAGS_REARM_LATCH_SIGNAL) {
  5894. bnx2x_rearm_latch_signal(bp, port,
  5895. phy_index ==
  5896. active_external_phy);
  5897. break;
  5898. }
  5899. }
  5900. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5901. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5902. vars->link_status, ext_phy_line_speed);
  5903. /*
  5904. * Upon link speed change set the NIG into drain mode. Comes to
  5905. * deals with possible FIFO glitch due to clk change when speed
  5906. * is decreased without link down indicator
  5907. */
  5908. if (vars->phy_link_up) {
  5909. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5910. (ext_phy_line_speed != vars->line_speed)) {
  5911. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5912. " different than the external"
  5913. " link speed %d\n", vars->line_speed,
  5914. ext_phy_line_speed);
  5915. vars->phy_link_up = 0;
  5916. } else if (prev_line_speed != vars->line_speed) {
  5917. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5918. 0);
  5919. msleep(1);
  5920. }
  5921. }
  5922. /* anything 10 and over uses the bmac */
  5923. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5924. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5925. /*
  5926. * In case external phy link is up, and internal link is down
  5927. * (not initialized yet probably after link initialization, it
  5928. * needs to be initialized.
  5929. * Note that after link down-up as result of cable plug, the xgxs
  5930. * link would probably become up again without the need
  5931. * initialize it
  5932. */
  5933. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5934. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5935. " init_preceding = %d\n", ext_phy_link_up,
  5936. vars->phy_link_up,
  5937. params->phy[EXT_PHY1].flags &
  5938. FLAGS_INIT_XGXS_FIRST);
  5939. if (!(params->phy[EXT_PHY1].flags &
  5940. FLAGS_INIT_XGXS_FIRST)
  5941. && ext_phy_link_up && !vars->phy_link_up) {
  5942. vars->line_speed = ext_phy_line_speed;
  5943. if (vars->line_speed < SPEED_1000)
  5944. vars->phy_flags |= PHY_SGMII_FLAG;
  5945. else
  5946. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5947. if (params->phy[INT_PHY].config_init)
  5948. params->phy[INT_PHY].config_init(
  5949. &params->phy[INT_PHY], params,
  5950. vars);
  5951. }
  5952. }
  5953. /*
  5954. * Link is up only if both local phy and external phy (in case of
  5955. * non-direct board) are up and no fault detected on active PHY.
  5956. */
  5957. vars->link_up = (vars->phy_link_up &&
  5958. (ext_phy_link_up ||
  5959. SINGLE_MEDIA_DIRECT(params)) &&
  5960. (phy_vars[active_external_phy].fault_detected == 0));
  5961. if (vars->link_up)
  5962. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5963. else
  5964. rc = bnx2x_update_link_down(params, vars);
  5965. return rc;
  5966. }
  5967. /*****************************************************************************/
  5968. /* External Phy section */
  5969. /*****************************************************************************/
  5970. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5971. {
  5972. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5973. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5974. msleep(1);
  5975. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5976. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5977. }
  5978. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5979. u32 spirom_ver, u32 ver_addr)
  5980. {
  5981. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5982. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5983. if (ver_addr)
  5984. REG_WR(bp, ver_addr, spirom_ver);
  5985. }
  5986. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5987. struct bnx2x_phy *phy,
  5988. u8 port)
  5989. {
  5990. u16 fw_ver1, fw_ver2;
  5991. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5992. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5993. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5994. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5995. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5996. phy->ver_addr);
  5997. }
  5998. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5999. struct bnx2x_phy *phy,
  6000. struct link_vars *vars)
  6001. {
  6002. u16 val;
  6003. bnx2x_cl45_read(bp, phy,
  6004. MDIO_AN_DEVAD,
  6005. MDIO_AN_REG_STATUS, &val);
  6006. bnx2x_cl45_read(bp, phy,
  6007. MDIO_AN_DEVAD,
  6008. MDIO_AN_REG_STATUS, &val);
  6009. if (val & (1<<5))
  6010. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6011. if ((val & (1<<0)) == 0)
  6012. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6013. }
  6014. /******************************************************************/
  6015. /* common BCM8073/BCM8727 PHY SECTION */
  6016. /******************************************************************/
  6017. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6018. struct link_params *params,
  6019. struct link_vars *vars)
  6020. {
  6021. struct bnx2x *bp = params->bp;
  6022. if (phy->req_line_speed == SPEED_10 ||
  6023. phy->req_line_speed == SPEED_100) {
  6024. vars->flow_ctrl = phy->req_flow_ctrl;
  6025. return;
  6026. }
  6027. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6028. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6029. u16 pause_result;
  6030. u16 ld_pause; /* local */
  6031. u16 lp_pause; /* link partner */
  6032. bnx2x_cl45_read(bp, phy,
  6033. MDIO_AN_DEVAD,
  6034. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6035. bnx2x_cl45_read(bp, phy,
  6036. MDIO_AN_DEVAD,
  6037. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6038. pause_result = (ld_pause &
  6039. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6040. pause_result |= (lp_pause &
  6041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6042. bnx2x_pause_resolve(vars, pause_result);
  6043. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6044. pause_result);
  6045. }
  6046. }
  6047. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6048. struct bnx2x_phy *phy,
  6049. u8 port)
  6050. {
  6051. u32 count = 0;
  6052. u16 fw_ver1, fw_msgout;
  6053. int rc = 0;
  6054. /* Boot port from external ROM */
  6055. /* EDC grst */
  6056. bnx2x_cl45_write(bp, phy,
  6057. MDIO_PMA_DEVAD,
  6058. MDIO_PMA_REG_GEN_CTRL,
  6059. 0x0001);
  6060. /* ucode reboot and rst */
  6061. bnx2x_cl45_write(bp, phy,
  6062. MDIO_PMA_DEVAD,
  6063. MDIO_PMA_REG_GEN_CTRL,
  6064. 0x008c);
  6065. bnx2x_cl45_write(bp, phy,
  6066. MDIO_PMA_DEVAD,
  6067. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6068. /* Reset internal microprocessor */
  6069. bnx2x_cl45_write(bp, phy,
  6070. MDIO_PMA_DEVAD,
  6071. MDIO_PMA_REG_GEN_CTRL,
  6072. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6073. /* Release srst bit */
  6074. bnx2x_cl45_write(bp, phy,
  6075. MDIO_PMA_DEVAD,
  6076. MDIO_PMA_REG_GEN_CTRL,
  6077. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6078. /* Delay 100ms per the PHY specifications */
  6079. msleep(100);
  6080. /* 8073 sometimes taking longer to download */
  6081. do {
  6082. count++;
  6083. if (count > 300) {
  6084. DP(NETIF_MSG_LINK,
  6085. "bnx2x_8073_8727_external_rom_boot port %x:"
  6086. "Download failed. fw version = 0x%x\n",
  6087. port, fw_ver1);
  6088. rc = -EINVAL;
  6089. break;
  6090. }
  6091. bnx2x_cl45_read(bp, phy,
  6092. MDIO_PMA_DEVAD,
  6093. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6094. bnx2x_cl45_read(bp, phy,
  6095. MDIO_PMA_DEVAD,
  6096. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6097. msleep(1);
  6098. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6099. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6100. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6101. /* Clear ser_boot_ctl bit */
  6102. bnx2x_cl45_write(bp, phy,
  6103. MDIO_PMA_DEVAD,
  6104. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6105. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6106. DP(NETIF_MSG_LINK,
  6107. "bnx2x_8073_8727_external_rom_boot port %x:"
  6108. "Download complete. fw version = 0x%x\n",
  6109. port, fw_ver1);
  6110. return rc;
  6111. }
  6112. /******************************************************************/
  6113. /* BCM8073 PHY SECTION */
  6114. /******************************************************************/
  6115. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6116. {
  6117. /* This is only required for 8073A1, version 102 only */
  6118. u16 val;
  6119. /* Read 8073 HW revision*/
  6120. bnx2x_cl45_read(bp, phy,
  6121. MDIO_PMA_DEVAD,
  6122. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6123. if (val != 1) {
  6124. /* No need to workaround in 8073 A1 */
  6125. return 0;
  6126. }
  6127. bnx2x_cl45_read(bp, phy,
  6128. MDIO_PMA_DEVAD,
  6129. MDIO_PMA_REG_ROM_VER2, &val);
  6130. /* SNR should be applied only for version 0x102 */
  6131. if (val != 0x102)
  6132. return 0;
  6133. return 1;
  6134. }
  6135. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6136. {
  6137. u16 val, cnt, cnt1 ;
  6138. bnx2x_cl45_read(bp, phy,
  6139. MDIO_PMA_DEVAD,
  6140. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6141. if (val > 0) {
  6142. /* No need to workaround in 8073 A1 */
  6143. return 0;
  6144. }
  6145. /* XAUI workaround in 8073 A0: */
  6146. /*
  6147. * After loading the boot ROM and restarting Autoneg, poll
  6148. * Dev1, Reg $C820:
  6149. */
  6150. for (cnt = 0; cnt < 1000; cnt++) {
  6151. bnx2x_cl45_read(bp, phy,
  6152. MDIO_PMA_DEVAD,
  6153. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6154. &val);
  6155. /*
  6156. * If bit [14] = 0 or bit [13] = 0, continue on with
  6157. * system initialization (XAUI work-around not required, as
  6158. * these bits indicate 2.5G or 1G link up).
  6159. */
  6160. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6161. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6162. return 0;
  6163. } else if (!(val & (1<<15))) {
  6164. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6165. /*
  6166. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6167. * MSB (bit15) goes to 1 (indicating that the XAUI
  6168. * workaround has completed), then continue on with
  6169. * system initialization.
  6170. */
  6171. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6172. bnx2x_cl45_read(bp, phy,
  6173. MDIO_PMA_DEVAD,
  6174. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6175. if (val & (1<<15)) {
  6176. DP(NETIF_MSG_LINK,
  6177. "XAUI workaround has completed\n");
  6178. return 0;
  6179. }
  6180. msleep(3);
  6181. }
  6182. break;
  6183. }
  6184. msleep(3);
  6185. }
  6186. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6187. return -EINVAL;
  6188. }
  6189. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6190. {
  6191. /* Force KR or KX */
  6192. bnx2x_cl45_write(bp, phy,
  6193. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6194. bnx2x_cl45_write(bp, phy,
  6195. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6196. bnx2x_cl45_write(bp, phy,
  6197. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6198. bnx2x_cl45_write(bp, phy,
  6199. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6200. }
  6201. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6202. struct bnx2x_phy *phy,
  6203. struct link_vars *vars)
  6204. {
  6205. u16 cl37_val;
  6206. struct bnx2x *bp = params->bp;
  6207. bnx2x_cl45_read(bp, phy,
  6208. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6209. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6210. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6211. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6212. if ((vars->ieee_fc &
  6213. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6214. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6215. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6216. }
  6217. if ((vars->ieee_fc &
  6218. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6219. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6220. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6221. }
  6222. if ((vars->ieee_fc &
  6223. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6224. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6225. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6226. }
  6227. DP(NETIF_MSG_LINK,
  6228. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6229. bnx2x_cl45_write(bp, phy,
  6230. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6231. msleep(500);
  6232. }
  6233. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6234. struct link_params *params,
  6235. struct link_vars *vars)
  6236. {
  6237. struct bnx2x *bp = params->bp;
  6238. u16 val = 0, tmp1;
  6239. u8 gpio_port;
  6240. DP(NETIF_MSG_LINK, "Init 8073\n");
  6241. if (CHIP_IS_E2(bp))
  6242. gpio_port = BP_PATH(bp);
  6243. else
  6244. gpio_port = params->port;
  6245. /* Restore normal power mode*/
  6246. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6247. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6248. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6249. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6250. /* enable LASI */
  6251. bnx2x_cl45_write(bp, phy,
  6252. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6253. bnx2x_cl45_write(bp, phy,
  6254. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6255. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6256. bnx2x_cl45_read(bp, phy,
  6257. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6258. bnx2x_cl45_read(bp, phy,
  6259. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6260. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6261. /* Swap polarity if required - Must be done only in non-1G mode */
  6262. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6263. /* Configure the 8073 to swap _P and _N of the KR lines */
  6264. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6265. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6266. bnx2x_cl45_read(bp, phy,
  6267. MDIO_PMA_DEVAD,
  6268. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6269. bnx2x_cl45_write(bp, phy,
  6270. MDIO_PMA_DEVAD,
  6271. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6272. (val | (3<<9)));
  6273. }
  6274. /* Enable CL37 BAM */
  6275. if (REG_RD(bp, params->shmem_base +
  6276. offsetof(struct shmem_region, dev_info.
  6277. port_hw_config[params->port].default_cfg)) &
  6278. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6279. bnx2x_cl45_read(bp, phy,
  6280. MDIO_AN_DEVAD,
  6281. MDIO_AN_REG_8073_BAM, &val);
  6282. bnx2x_cl45_write(bp, phy,
  6283. MDIO_AN_DEVAD,
  6284. MDIO_AN_REG_8073_BAM, val | 1);
  6285. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6286. }
  6287. if (params->loopback_mode == LOOPBACK_EXT) {
  6288. bnx2x_807x_force_10G(bp, phy);
  6289. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6290. return 0;
  6291. } else {
  6292. bnx2x_cl45_write(bp, phy,
  6293. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6294. }
  6295. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6296. if (phy->req_line_speed == SPEED_10000) {
  6297. val = (1<<7);
  6298. } else if (phy->req_line_speed == SPEED_2500) {
  6299. val = (1<<5);
  6300. /*
  6301. * Note that 2.5G works only when used with 1G
  6302. * advertisement
  6303. */
  6304. } else
  6305. val = (1<<5);
  6306. } else {
  6307. val = 0;
  6308. if (phy->speed_cap_mask &
  6309. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6310. val |= (1<<7);
  6311. /* Note that 2.5G works only when used with 1G advertisement */
  6312. if (phy->speed_cap_mask &
  6313. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6314. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6315. val |= (1<<5);
  6316. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6317. }
  6318. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6319. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6320. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6321. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6322. (phy->req_line_speed == SPEED_2500)) {
  6323. u16 phy_ver;
  6324. /* Allow 2.5G for A1 and above */
  6325. bnx2x_cl45_read(bp, phy,
  6326. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6327. &phy_ver);
  6328. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6329. if (phy_ver > 0)
  6330. tmp1 |= 1;
  6331. else
  6332. tmp1 &= 0xfffe;
  6333. } else {
  6334. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6335. tmp1 &= 0xfffe;
  6336. }
  6337. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6338. /* Add support for CL37 (passive mode) II */
  6339. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6340. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6341. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6342. 0x20 : 0x40)));
  6343. /* Add support for CL37 (passive mode) III */
  6344. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6345. /*
  6346. * The SNR will improve about 2db by changing BW and FEE main
  6347. * tap. Rest commands are executed after link is up
  6348. * Change FFE main cursor to 5 in EDC register
  6349. */
  6350. if (bnx2x_8073_is_snr_needed(bp, phy))
  6351. bnx2x_cl45_write(bp, phy,
  6352. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6353. 0xFB0C);
  6354. /* Enable FEC (Forware Error Correction) Request in the AN */
  6355. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6356. tmp1 |= (1<<15);
  6357. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6358. bnx2x_ext_phy_set_pause(params, phy, vars);
  6359. /* Restart autoneg */
  6360. msleep(500);
  6361. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6362. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6363. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6364. return 0;
  6365. }
  6366. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6367. struct link_params *params,
  6368. struct link_vars *vars)
  6369. {
  6370. struct bnx2x *bp = params->bp;
  6371. u8 link_up = 0;
  6372. u16 val1, val2;
  6373. u16 link_status = 0;
  6374. u16 an1000_status = 0;
  6375. bnx2x_cl45_read(bp, phy,
  6376. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6377. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6378. /* clear the interrupt LASI status register */
  6379. bnx2x_cl45_read(bp, phy,
  6380. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6381. bnx2x_cl45_read(bp, phy,
  6382. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6383. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6384. /* Clear MSG-OUT */
  6385. bnx2x_cl45_read(bp, phy,
  6386. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6387. /* Check the LASI */
  6388. bnx2x_cl45_read(bp, phy,
  6389. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6390. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6391. /* Check the link status */
  6392. bnx2x_cl45_read(bp, phy,
  6393. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6394. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6395. bnx2x_cl45_read(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6397. bnx2x_cl45_read(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6399. link_up = ((val1 & 4) == 4);
  6400. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6401. if (link_up &&
  6402. ((phy->req_line_speed != SPEED_10000))) {
  6403. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6404. return 0;
  6405. }
  6406. bnx2x_cl45_read(bp, phy,
  6407. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6408. bnx2x_cl45_read(bp, phy,
  6409. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6410. /* Check the link status on 1.1.2 */
  6411. bnx2x_cl45_read(bp, phy,
  6412. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6413. bnx2x_cl45_read(bp, phy,
  6414. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6415. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6416. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6417. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6418. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6419. /*
  6420. * The SNR will improve about 2dbby changing the BW and FEE main
  6421. * tap. The 1st write to change FFE main tap is set before
  6422. * restart AN. Change PLL Bandwidth in EDC register
  6423. */
  6424. bnx2x_cl45_write(bp, phy,
  6425. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6426. 0x26BC);
  6427. /* Change CDR Bandwidth in EDC register */
  6428. bnx2x_cl45_write(bp, phy,
  6429. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6430. 0x0333);
  6431. }
  6432. bnx2x_cl45_read(bp, phy,
  6433. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6434. &link_status);
  6435. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6436. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6437. link_up = 1;
  6438. vars->line_speed = SPEED_10000;
  6439. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6440. params->port);
  6441. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6442. link_up = 1;
  6443. vars->line_speed = SPEED_2500;
  6444. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6445. params->port);
  6446. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6447. link_up = 1;
  6448. vars->line_speed = SPEED_1000;
  6449. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6450. params->port);
  6451. } else {
  6452. link_up = 0;
  6453. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6454. params->port);
  6455. }
  6456. if (link_up) {
  6457. /* Swap polarity if required */
  6458. if (params->lane_config &
  6459. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6460. /* Configure the 8073 to swap P and N of the KR lines */
  6461. bnx2x_cl45_read(bp, phy,
  6462. MDIO_XS_DEVAD,
  6463. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6464. /*
  6465. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6466. * when it`s in 10G mode.
  6467. */
  6468. if (vars->line_speed == SPEED_1000) {
  6469. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6470. "the 8073\n");
  6471. val1 |= (1<<3);
  6472. } else
  6473. val1 &= ~(1<<3);
  6474. bnx2x_cl45_write(bp, phy,
  6475. MDIO_XS_DEVAD,
  6476. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6477. val1);
  6478. }
  6479. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6480. bnx2x_8073_resolve_fc(phy, params, vars);
  6481. vars->duplex = DUPLEX_FULL;
  6482. }
  6483. return link_up;
  6484. }
  6485. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6486. struct link_params *params)
  6487. {
  6488. struct bnx2x *bp = params->bp;
  6489. u8 gpio_port;
  6490. if (CHIP_IS_E2(bp))
  6491. gpio_port = BP_PATH(bp);
  6492. else
  6493. gpio_port = params->port;
  6494. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6495. gpio_port);
  6496. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6497. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6498. gpio_port);
  6499. }
  6500. /******************************************************************/
  6501. /* BCM8705 PHY SECTION */
  6502. /******************************************************************/
  6503. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6504. struct link_params *params,
  6505. struct link_vars *vars)
  6506. {
  6507. struct bnx2x *bp = params->bp;
  6508. DP(NETIF_MSG_LINK, "init 8705\n");
  6509. /* Restore normal power mode*/
  6510. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6511. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6512. /* HW reset */
  6513. bnx2x_ext_phy_hw_reset(bp, params->port);
  6514. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6515. bnx2x_wait_reset_complete(bp, phy, params);
  6516. bnx2x_cl45_write(bp, phy,
  6517. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6518. bnx2x_cl45_write(bp, phy,
  6519. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6520. bnx2x_cl45_write(bp, phy,
  6521. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6522. bnx2x_cl45_write(bp, phy,
  6523. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6524. /* BCM8705 doesn't have microcode, hence the 0 */
  6525. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6526. return 0;
  6527. }
  6528. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6529. struct link_params *params,
  6530. struct link_vars *vars)
  6531. {
  6532. u8 link_up = 0;
  6533. u16 val1, rx_sd;
  6534. struct bnx2x *bp = params->bp;
  6535. DP(NETIF_MSG_LINK, "read status 8705\n");
  6536. bnx2x_cl45_read(bp, phy,
  6537. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6538. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6539. bnx2x_cl45_read(bp, phy,
  6540. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6541. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6542. bnx2x_cl45_read(bp, phy,
  6543. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6544. bnx2x_cl45_read(bp, phy,
  6545. MDIO_PMA_DEVAD, 0xc809, &val1);
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_PMA_DEVAD, 0xc809, &val1);
  6548. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6549. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6550. if (link_up) {
  6551. vars->line_speed = SPEED_10000;
  6552. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6553. }
  6554. return link_up;
  6555. }
  6556. /******************************************************************/
  6557. /* SFP+ module Section */
  6558. /******************************************************************/
  6559. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6560. struct bnx2x_phy *phy,
  6561. u8 pmd_dis)
  6562. {
  6563. struct bnx2x *bp = params->bp;
  6564. /*
  6565. * Disable transmitter only for bootcodes which can enable it afterwards
  6566. * (for D3 link)
  6567. */
  6568. if (pmd_dis) {
  6569. if (params->feature_config_flags &
  6570. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6571. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6572. else {
  6573. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6574. return;
  6575. }
  6576. } else
  6577. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6578. bnx2x_cl45_write(bp, phy,
  6579. MDIO_PMA_DEVAD,
  6580. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6581. }
  6582. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6583. {
  6584. u8 gpio_port;
  6585. u32 swap_val, swap_override;
  6586. struct bnx2x *bp = params->bp;
  6587. if (CHIP_IS_E2(bp))
  6588. gpio_port = BP_PATH(bp);
  6589. else
  6590. gpio_port = params->port;
  6591. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6592. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6593. return gpio_port ^ (swap_val && swap_override);
  6594. }
  6595. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6596. struct bnx2x_phy *phy,
  6597. u8 tx_en)
  6598. {
  6599. u16 val;
  6600. u8 port = params->port;
  6601. struct bnx2x *bp = params->bp;
  6602. u32 tx_en_mode;
  6603. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6604. tx_en_mode = REG_RD(bp, params->shmem_base +
  6605. offsetof(struct shmem_region,
  6606. dev_info.port_hw_config[port].sfp_ctrl)) &
  6607. PORT_HW_CFG_TX_LASER_MASK;
  6608. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6609. "mode = %x\n", tx_en, port, tx_en_mode);
  6610. switch (tx_en_mode) {
  6611. case PORT_HW_CFG_TX_LASER_MDIO:
  6612. bnx2x_cl45_read(bp, phy,
  6613. MDIO_PMA_DEVAD,
  6614. MDIO_PMA_REG_PHY_IDENTIFIER,
  6615. &val);
  6616. if (tx_en)
  6617. val &= ~(1<<15);
  6618. else
  6619. val |= (1<<15);
  6620. bnx2x_cl45_write(bp, phy,
  6621. MDIO_PMA_DEVAD,
  6622. MDIO_PMA_REG_PHY_IDENTIFIER,
  6623. val);
  6624. break;
  6625. case PORT_HW_CFG_TX_LASER_GPIO0:
  6626. case PORT_HW_CFG_TX_LASER_GPIO1:
  6627. case PORT_HW_CFG_TX_LASER_GPIO2:
  6628. case PORT_HW_CFG_TX_LASER_GPIO3:
  6629. {
  6630. u16 gpio_pin;
  6631. u8 gpio_port, gpio_mode;
  6632. if (tx_en)
  6633. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6634. else
  6635. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6636. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6637. gpio_port = bnx2x_get_gpio_port(params);
  6638. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6639. break;
  6640. }
  6641. default:
  6642. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6643. break;
  6644. }
  6645. }
  6646. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6647. struct bnx2x_phy *phy,
  6648. u8 tx_en)
  6649. {
  6650. struct bnx2x *bp = params->bp;
  6651. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6652. if (CHIP_IS_E3(bp))
  6653. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6654. else
  6655. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6656. }
  6657. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6658. struct link_params *params,
  6659. u16 addr, u8 byte_cnt, u8 *o_buf)
  6660. {
  6661. struct bnx2x *bp = params->bp;
  6662. u16 val = 0;
  6663. u16 i;
  6664. if (byte_cnt > 16) {
  6665. DP(NETIF_MSG_LINK,
  6666. "Reading from eeprom is limited to 0xf\n");
  6667. return -EINVAL;
  6668. }
  6669. /* Set the read command byte count */
  6670. bnx2x_cl45_write(bp, phy,
  6671. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6672. (byte_cnt | 0xa000));
  6673. /* Set the read command address */
  6674. bnx2x_cl45_write(bp, phy,
  6675. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6676. addr);
  6677. /* Activate read command */
  6678. bnx2x_cl45_write(bp, phy,
  6679. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6680. 0x2c0f);
  6681. /* Wait up to 500us for command complete status */
  6682. for (i = 0; i < 100; i++) {
  6683. bnx2x_cl45_read(bp, phy,
  6684. MDIO_PMA_DEVAD,
  6685. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6686. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6687. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6688. break;
  6689. udelay(5);
  6690. }
  6691. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6692. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6693. DP(NETIF_MSG_LINK,
  6694. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6695. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6696. return -EINVAL;
  6697. }
  6698. /* Read the buffer */
  6699. for (i = 0; i < byte_cnt; i++) {
  6700. bnx2x_cl45_read(bp, phy,
  6701. MDIO_PMA_DEVAD,
  6702. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6703. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6704. }
  6705. for (i = 0; i < 100; i++) {
  6706. bnx2x_cl45_read(bp, phy,
  6707. MDIO_PMA_DEVAD,
  6708. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6709. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6710. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6711. return 0;
  6712. msleep(1);
  6713. }
  6714. return -EINVAL;
  6715. }
  6716. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6717. struct link_params *params,
  6718. u16 addr, u8 byte_cnt,
  6719. u8 *o_buf)
  6720. {
  6721. int rc = 0;
  6722. u8 i, j = 0, cnt = 0;
  6723. u32 data_array[4];
  6724. u16 addr32;
  6725. struct bnx2x *bp = params->bp;
  6726. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6727. " addr %d, cnt %d\n",
  6728. addr, byte_cnt);*/
  6729. if (byte_cnt > 16) {
  6730. DP(NETIF_MSG_LINK,
  6731. "Reading from eeprom is limited to 16 bytes\n");
  6732. return -EINVAL;
  6733. }
  6734. /* 4 byte aligned address */
  6735. addr32 = addr & (~0x3);
  6736. do {
  6737. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6738. data_array);
  6739. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6740. if (rc == 0) {
  6741. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6742. o_buf[j] = *((u8 *)data_array + i);
  6743. j++;
  6744. }
  6745. }
  6746. return rc;
  6747. }
  6748. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6749. struct link_params *params,
  6750. u16 addr, u8 byte_cnt, u8 *o_buf)
  6751. {
  6752. struct bnx2x *bp = params->bp;
  6753. u16 val, i;
  6754. if (byte_cnt > 16) {
  6755. DP(NETIF_MSG_LINK,
  6756. "Reading from eeprom is limited to 0xf\n");
  6757. return -EINVAL;
  6758. }
  6759. /* Need to read from 1.8000 to clear it */
  6760. bnx2x_cl45_read(bp, phy,
  6761. MDIO_PMA_DEVAD,
  6762. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6763. &val);
  6764. /* Set the read command byte count */
  6765. bnx2x_cl45_write(bp, phy,
  6766. MDIO_PMA_DEVAD,
  6767. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6768. ((byte_cnt < 2) ? 2 : byte_cnt));
  6769. /* Set the read command address */
  6770. bnx2x_cl45_write(bp, phy,
  6771. MDIO_PMA_DEVAD,
  6772. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6773. addr);
  6774. /* Set the destination address */
  6775. bnx2x_cl45_write(bp, phy,
  6776. MDIO_PMA_DEVAD,
  6777. 0x8004,
  6778. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6779. /* Activate read command */
  6780. bnx2x_cl45_write(bp, phy,
  6781. MDIO_PMA_DEVAD,
  6782. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6783. 0x8002);
  6784. /*
  6785. * Wait appropriate time for two-wire command to finish before
  6786. * polling the status register
  6787. */
  6788. msleep(1);
  6789. /* Wait up to 500us for command complete status */
  6790. for (i = 0; i < 100; i++) {
  6791. bnx2x_cl45_read(bp, phy,
  6792. MDIO_PMA_DEVAD,
  6793. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6794. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6795. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6796. break;
  6797. udelay(5);
  6798. }
  6799. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6800. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6801. DP(NETIF_MSG_LINK,
  6802. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6803. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6804. return -EFAULT;
  6805. }
  6806. /* Read the buffer */
  6807. for (i = 0; i < byte_cnt; i++) {
  6808. bnx2x_cl45_read(bp, phy,
  6809. MDIO_PMA_DEVAD,
  6810. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6811. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6812. }
  6813. for (i = 0; i < 100; i++) {
  6814. bnx2x_cl45_read(bp, phy,
  6815. MDIO_PMA_DEVAD,
  6816. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6817. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6818. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6819. return 0;
  6820. msleep(1);
  6821. }
  6822. return -EINVAL;
  6823. }
  6824. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6825. struct link_params *params, u16 addr,
  6826. u8 byte_cnt, u8 *o_buf)
  6827. {
  6828. int rc = -EINVAL;
  6829. switch (phy->type) {
  6830. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6831. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6832. byte_cnt, o_buf);
  6833. break;
  6834. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6835. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6836. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6837. byte_cnt, o_buf);
  6838. break;
  6839. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6840. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6841. byte_cnt, o_buf);
  6842. break;
  6843. }
  6844. return rc;
  6845. }
  6846. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6847. struct link_params *params,
  6848. u16 *edc_mode)
  6849. {
  6850. struct bnx2x *bp = params->bp;
  6851. u32 sync_offset = 0, phy_idx, media_types;
  6852. u8 val, check_limiting_mode = 0;
  6853. *edc_mode = EDC_MODE_LIMITING;
  6854. phy->media_type = ETH_PHY_UNSPECIFIED;
  6855. /* First check for copper cable */
  6856. if (bnx2x_read_sfp_module_eeprom(phy,
  6857. params,
  6858. SFP_EEPROM_CON_TYPE_ADDR,
  6859. 1,
  6860. &val) != 0) {
  6861. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6862. return -EINVAL;
  6863. }
  6864. switch (val) {
  6865. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6866. {
  6867. u8 copper_module_type;
  6868. phy->media_type = ETH_PHY_DA_TWINAX;
  6869. /*
  6870. * Check if its active cable (includes SFP+ module)
  6871. * of passive cable
  6872. */
  6873. if (bnx2x_read_sfp_module_eeprom(phy,
  6874. params,
  6875. SFP_EEPROM_FC_TX_TECH_ADDR,
  6876. 1,
  6877. &copper_module_type) != 0) {
  6878. DP(NETIF_MSG_LINK,
  6879. "Failed to read copper-cable-type"
  6880. " from SFP+ EEPROM\n");
  6881. return -EINVAL;
  6882. }
  6883. if (copper_module_type &
  6884. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6885. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6886. check_limiting_mode = 1;
  6887. } else if (copper_module_type &
  6888. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6889. DP(NETIF_MSG_LINK,
  6890. "Passive Copper cable detected\n");
  6891. *edc_mode =
  6892. EDC_MODE_PASSIVE_DAC;
  6893. } else {
  6894. DP(NETIF_MSG_LINK,
  6895. "Unknown copper-cable-type 0x%x !!!\n",
  6896. copper_module_type);
  6897. return -EINVAL;
  6898. }
  6899. break;
  6900. }
  6901. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6902. phy->media_type = ETH_PHY_SFP_FIBER;
  6903. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6904. check_limiting_mode = 1;
  6905. break;
  6906. default:
  6907. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6908. val);
  6909. return -EINVAL;
  6910. }
  6911. sync_offset = params->shmem_base +
  6912. offsetof(struct shmem_region,
  6913. dev_info.port_hw_config[params->port].media_type);
  6914. media_types = REG_RD(bp, sync_offset);
  6915. /* Update media type for non-PMF sync */
  6916. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6917. if (&(params->phy[phy_idx]) == phy) {
  6918. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6919. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6920. media_types |= ((phy->media_type &
  6921. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6922. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6923. break;
  6924. }
  6925. }
  6926. REG_WR(bp, sync_offset, media_types);
  6927. if (check_limiting_mode) {
  6928. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6929. if (bnx2x_read_sfp_module_eeprom(phy,
  6930. params,
  6931. SFP_EEPROM_OPTIONS_ADDR,
  6932. SFP_EEPROM_OPTIONS_SIZE,
  6933. options) != 0) {
  6934. DP(NETIF_MSG_LINK,
  6935. "Failed to read Option field from module EEPROM\n");
  6936. return -EINVAL;
  6937. }
  6938. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6939. *edc_mode = EDC_MODE_LINEAR;
  6940. else
  6941. *edc_mode = EDC_MODE_LIMITING;
  6942. }
  6943. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6944. return 0;
  6945. }
  6946. /*
  6947. * This function read the relevant field from the module (SFP+), and verify it
  6948. * is compliant with this board
  6949. */
  6950. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6951. struct link_params *params)
  6952. {
  6953. struct bnx2x *bp = params->bp;
  6954. u32 val, cmd;
  6955. u32 fw_resp, fw_cmd_param;
  6956. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6957. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6958. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6959. val = REG_RD(bp, params->shmem_base +
  6960. offsetof(struct shmem_region, dev_info.
  6961. port_feature_config[params->port].config));
  6962. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6963. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6964. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6965. return 0;
  6966. }
  6967. if (params->feature_config_flags &
  6968. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6969. /* Use specific phy request */
  6970. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6971. } else if (params->feature_config_flags &
  6972. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6973. /* Use first phy request only in case of non-dual media*/
  6974. if (DUAL_MEDIA(params)) {
  6975. DP(NETIF_MSG_LINK,
  6976. "FW does not support OPT MDL verification\n");
  6977. return -EINVAL;
  6978. }
  6979. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6980. } else {
  6981. /* No support in OPT MDL detection */
  6982. DP(NETIF_MSG_LINK,
  6983. "FW does not support OPT MDL verification\n");
  6984. return -EINVAL;
  6985. }
  6986. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6987. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6988. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6989. DP(NETIF_MSG_LINK, "Approved module\n");
  6990. return 0;
  6991. }
  6992. /* format the warning message */
  6993. if (bnx2x_read_sfp_module_eeprom(phy,
  6994. params,
  6995. SFP_EEPROM_VENDOR_NAME_ADDR,
  6996. SFP_EEPROM_VENDOR_NAME_SIZE,
  6997. (u8 *)vendor_name))
  6998. vendor_name[0] = '\0';
  6999. else
  7000. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7001. if (bnx2x_read_sfp_module_eeprom(phy,
  7002. params,
  7003. SFP_EEPROM_PART_NO_ADDR,
  7004. SFP_EEPROM_PART_NO_SIZE,
  7005. (u8 *)vendor_pn))
  7006. vendor_pn[0] = '\0';
  7007. else
  7008. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7009. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7010. " Port %d from %s part number %s\n",
  7011. params->port, vendor_name, vendor_pn);
  7012. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7013. return -EINVAL;
  7014. }
  7015. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7016. struct link_params *params)
  7017. {
  7018. u8 val;
  7019. struct bnx2x *bp = params->bp;
  7020. u16 timeout;
  7021. /*
  7022. * Initialization time after hot-plug may take up to 300ms for
  7023. * some phys type ( e.g. JDSU )
  7024. */
  7025. for (timeout = 0; timeout < 60; timeout++) {
  7026. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7027. == 0) {
  7028. DP(NETIF_MSG_LINK,
  7029. "SFP+ module initialization took %d ms\n",
  7030. timeout * 5);
  7031. return 0;
  7032. }
  7033. msleep(5);
  7034. }
  7035. return -EINVAL;
  7036. }
  7037. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7038. struct bnx2x_phy *phy,
  7039. u8 is_power_up) {
  7040. /* Make sure GPIOs are not using for LED mode */
  7041. u16 val;
  7042. /*
  7043. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  7044. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7045. * output
  7046. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7047. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7048. * where the 1st bit is the over-current(only input), and 2nd bit is
  7049. * for power( only output )
  7050. *
  7051. * In case of NOC feature is disabled and power is up, set GPIO control
  7052. * as input to enable listening of over-current indication
  7053. */
  7054. if (phy->flags & FLAGS_NOC)
  7055. return;
  7056. if (is_power_up)
  7057. val = (1<<4);
  7058. else
  7059. /*
  7060. * Set GPIO control to OUTPUT, and set the power bit
  7061. * to according to the is_power_up
  7062. */
  7063. val = (1<<1);
  7064. bnx2x_cl45_write(bp, phy,
  7065. MDIO_PMA_DEVAD,
  7066. MDIO_PMA_REG_8727_GPIO_CTRL,
  7067. val);
  7068. }
  7069. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7070. struct bnx2x_phy *phy,
  7071. u16 edc_mode)
  7072. {
  7073. u16 cur_limiting_mode;
  7074. bnx2x_cl45_read(bp, phy,
  7075. MDIO_PMA_DEVAD,
  7076. MDIO_PMA_REG_ROM_VER2,
  7077. &cur_limiting_mode);
  7078. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7079. cur_limiting_mode);
  7080. if (edc_mode == EDC_MODE_LIMITING) {
  7081. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7082. bnx2x_cl45_write(bp, phy,
  7083. MDIO_PMA_DEVAD,
  7084. MDIO_PMA_REG_ROM_VER2,
  7085. EDC_MODE_LIMITING);
  7086. } else { /* LRM mode ( default )*/
  7087. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7088. /*
  7089. * Changing to LRM mode takes quite few seconds. So do it only
  7090. * if current mode is limiting (default is LRM)
  7091. */
  7092. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7093. return 0;
  7094. bnx2x_cl45_write(bp, phy,
  7095. MDIO_PMA_DEVAD,
  7096. MDIO_PMA_REG_LRM_MODE,
  7097. 0);
  7098. bnx2x_cl45_write(bp, phy,
  7099. MDIO_PMA_DEVAD,
  7100. MDIO_PMA_REG_ROM_VER2,
  7101. 0x128);
  7102. bnx2x_cl45_write(bp, phy,
  7103. MDIO_PMA_DEVAD,
  7104. MDIO_PMA_REG_MISC_CTRL0,
  7105. 0x4008);
  7106. bnx2x_cl45_write(bp, phy,
  7107. MDIO_PMA_DEVAD,
  7108. MDIO_PMA_REG_LRM_MODE,
  7109. 0xaaaa);
  7110. }
  7111. return 0;
  7112. }
  7113. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7114. struct bnx2x_phy *phy,
  7115. u16 edc_mode)
  7116. {
  7117. u16 phy_identifier;
  7118. u16 rom_ver2_val;
  7119. bnx2x_cl45_read(bp, phy,
  7120. MDIO_PMA_DEVAD,
  7121. MDIO_PMA_REG_PHY_IDENTIFIER,
  7122. &phy_identifier);
  7123. bnx2x_cl45_write(bp, phy,
  7124. MDIO_PMA_DEVAD,
  7125. MDIO_PMA_REG_PHY_IDENTIFIER,
  7126. (phy_identifier & ~(1<<9)));
  7127. bnx2x_cl45_read(bp, phy,
  7128. MDIO_PMA_DEVAD,
  7129. MDIO_PMA_REG_ROM_VER2,
  7130. &rom_ver2_val);
  7131. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7132. bnx2x_cl45_write(bp, phy,
  7133. MDIO_PMA_DEVAD,
  7134. MDIO_PMA_REG_ROM_VER2,
  7135. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7136. bnx2x_cl45_write(bp, phy,
  7137. MDIO_PMA_DEVAD,
  7138. MDIO_PMA_REG_PHY_IDENTIFIER,
  7139. (phy_identifier | (1<<9)));
  7140. return 0;
  7141. }
  7142. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7143. struct link_params *params,
  7144. u32 action)
  7145. {
  7146. struct bnx2x *bp = params->bp;
  7147. switch (action) {
  7148. case DISABLE_TX:
  7149. bnx2x_sfp_set_transmitter(params, phy, 0);
  7150. break;
  7151. case ENABLE_TX:
  7152. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7153. bnx2x_sfp_set_transmitter(params, phy, 1);
  7154. break;
  7155. default:
  7156. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7157. action);
  7158. return;
  7159. }
  7160. }
  7161. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7162. u8 gpio_mode)
  7163. {
  7164. struct bnx2x *bp = params->bp;
  7165. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7166. offsetof(struct shmem_region,
  7167. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7168. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7169. switch (fault_led_gpio) {
  7170. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7171. return;
  7172. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7173. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7174. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7175. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7176. {
  7177. u8 gpio_port = bnx2x_get_gpio_port(params);
  7178. u16 gpio_pin = fault_led_gpio -
  7179. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7180. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7181. "pin %x port %x mode %x\n",
  7182. gpio_pin, gpio_port, gpio_mode);
  7183. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7184. }
  7185. break;
  7186. default:
  7187. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7188. fault_led_gpio);
  7189. }
  7190. }
  7191. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7192. u8 gpio_mode)
  7193. {
  7194. u32 pin_cfg;
  7195. u8 port = params->port;
  7196. struct bnx2x *bp = params->bp;
  7197. pin_cfg = (REG_RD(bp, params->shmem_base +
  7198. offsetof(struct shmem_region,
  7199. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7200. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7201. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7202. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7203. gpio_mode, pin_cfg);
  7204. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7205. }
  7206. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7207. u8 gpio_mode)
  7208. {
  7209. struct bnx2x *bp = params->bp;
  7210. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7211. if (CHIP_IS_E3(bp)) {
  7212. /*
  7213. * Low ==> if SFP+ module is supported otherwise
  7214. * High ==> if SFP+ module is not on the approved vendor list
  7215. */
  7216. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7217. } else
  7218. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7219. }
  7220. static void bnx2x_warpcore_power_module(struct link_params *params,
  7221. struct bnx2x_phy *phy,
  7222. u8 power)
  7223. {
  7224. u32 pin_cfg;
  7225. struct bnx2x *bp = params->bp;
  7226. pin_cfg = (REG_RD(bp, params->shmem_base +
  7227. offsetof(struct shmem_region,
  7228. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7229. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7230. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7231. if (pin_cfg == PIN_CFG_NA)
  7232. return;
  7233. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7234. power, pin_cfg);
  7235. /*
  7236. * Low ==> corresponding SFP+ module is powered
  7237. * high ==> the SFP+ module is powered down
  7238. */
  7239. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7240. }
  7241. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7242. struct link_params *params)
  7243. {
  7244. struct bnx2x *bp = params->bp;
  7245. bnx2x_warpcore_power_module(params, phy, 0);
  7246. /* Put Warpcore in low power mode */
  7247. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7248. /* Put LCPLL in low power mode */
  7249. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7250. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7251. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7252. }
  7253. static void bnx2x_power_sfp_module(struct link_params *params,
  7254. struct bnx2x_phy *phy,
  7255. u8 power)
  7256. {
  7257. struct bnx2x *bp = params->bp;
  7258. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7259. switch (phy->type) {
  7260. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7261. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7262. bnx2x_8727_power_module(params->bp, phy, power);
  7263. break;
  7264. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7265. bnx2x_warpcore_power_module(params, phy, power);
  7266. break;
  7267. default:
  7268. break;
  7269. }
  7270. }
  7271. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7272. struct bnx2x_phy *phy,
  7273. u16 edc_mode)
  7274. {
  7275. u16 val = 0;
  7276. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7277. struct bnx2x *bp = params->bp;
  7278. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7279. /* This is a global register which controls all lanes */
  7280. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7281. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7282. val &= ~(0xf << (lane << 2));
  7283. switch (edc_mode) {
  7284. case EDC_MODE_LINEAR:
  7285. case EDC_MODE_LIMITING:
  7286. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7287. break;
  7288. case EDC_MODE_PASSIVE_DAC:
  7289. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7290. break;
  7291. default:
  7292. break;
  7293. }
  7294. val |= (mode << (lane << 2));
  7295. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7296. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7297. /* A must read */
  7298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7299. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7300. /* Restart microcode to re-read the new mode */
  7301. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7302. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7303. }
  7304. static void bnx2x_set_limiting_mode(struct link_params *params,
  7305. struct bnx2x_phy *phy,
  7306. u16 edc_mode)
  7307. {
  7308. switch (phy->type) {
  7309. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7310. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7311. break;
  7312. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7313. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7314. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7315. break;
  7316. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7317. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7318. break;
  7319. }
  7320. }
  7321. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7322. struct link_params *params)
  7323. {
  7324. struct bnx2x *bp = params->bp;
  7325. u16 edc_mode;
  7326. int rc = 0;
  7327. u32 val = REG_RD(bp, params->shmem_base +
  7328. offsetof(struct shmem_region, dev_info.
  7329. port_feature_config[params->port].config));
  7330. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7331. params->port);
  7332. /* Power up module */
  7333. bnx2x_power_sfp_module(params, phy, 1);
  7334. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7335. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7336. return -EINVAL;
  7337. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7338. /* check SFP+ module compatibility */
  7339. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7340. rc = -EINVAL;
  7341. /* Turn on fault module-detected led */
  7342. bnx2x_set_sfp_module_fault_led(params,
  7343. MISC_REGISTERS_GPIO_HIGH);
  7344. /* Check if need to power down the SFP+ module */
  7345. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7346. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7347. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7348. bnx2x_power_sfp_module(params, phy, 0);
  7349. return rc;
  7350. }
  7351. } else {
  7352. /* Turn off fault module-detected led */
  7353. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7354. }
  7355. /*
  7356. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7357. * is done automatically
  7358. */
  7359. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7360. /*
  7361. * Enable transmit for this module if the module is approved, or
  7362. * if unapproved modules should also enable the Tx laser
  7363. */
  7364. if (rc == 0 ||
  7365. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7366. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7367. bnx2x_sfp_set_transmitter(params, phy, 1);
  7368. else
  7369. bnx2x_sfp_set_transmitter(params, phy, 0);
  7370. return rc;
  7371. }
  7372. void bnx2x_handle_module_detect_int(struct link_params *params)
  7373. {
  7374. struct bnx2x *bp = params->bp;
  7375. struct bnx2x_phy *phy;
  7376. u32 gpio_val;
  7377. u8 gpio_num, gpio_port;
  7378. if (CHIP_IS_E3(bp))
  7379. phy = &params->phy[INT_PHY];
  7380. else
  7381. phy = &params->phy[EXT_PHY1];
  7382. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7383. params->port, &gpio_num, &gpio_port) ==
  7384. -EINVAL) {
  7385. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7386. return;
  7387. }
  7388. /* Set valid module led off */
  7389. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7390. /* Get current gpio val reflecting module plugged in / out*/
  7391. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7392. /* Call the handling function in case module is detected */
  7393. if (gpio_val == 0) {
  7394. bnx2x_power_sfp_module(params, phy, 1);
  7395. bnx2x_set_gpio_int(bp, gpio_num,
  7396. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7397. gpio_port);
  7398. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7399. bnx2x_sfp_module_detection(phy, params);
  7400. else
  7401. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7402. } else {
  7403. u32 val = REG_RD(bp, params->shmem_base +
  7404. offsetof(struct shmem_region, dev_info.
  7405. port_feature_config[params->port].
  7406. config));
  7407. bnx2x_set_gpio_int(bp, gpio_num,
  7408. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7409. gpio_port);
  7410. /*
  7411. * Module was plugged out.
  7412. * Disable transmit for this module
  7413. */
  7414. phy->media_type = ETH_PHY_NOT_PRESENT;
  7415. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7416. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7417. CHIP_IS_E3(bp))
  7418. bnx2x_sfp_set_transmitter(params, phy, 0);
  7419. }
  7420. }
  7421. /******************************************************************/
  7422. /* Used by 8706 and 8727 */
  7423. /******************************************************************/
  7424. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7425. struct bnx2x_phy *phy,
  7426. u16 alarm_status_offset,
  7427. u16 alarm_ctrl_offset)
  7428. {
  7429. u16 alarm_status, val;
  7430. bnx2x_cl45_read(bp, phy,
  7431. MDIO_PMA_DEVAD, alarm_status_offset,
  7432. &alarm_status);
  7433. bnx2x_cl45_read(bp, phy,
  7434. MDIO_PMA_DEVAD, alarm_status_offset,
  7435. &alarm_status);
  7436. /* Mask or enable the fault event. */
  7437. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7438. if (alarm_status & (1<<0))
  7439. val &= ~(1<<0);
  7440. else
  7441. val |= (1<<0);
  7442. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7443. }
  7444. /******************************************************************/
  7445. /* common BCM8706/BCM8726 PHY SECTION */
  7446. /******************************************************************/
  7447. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7448. struct link_params *params,
  7449. struct link_vars *vars)
  7450. {
  7451. u8 link_up = 0;
  7452. u16 val1, val2, rx_sd, pcs_status;
  7453. struct bnx2x *bp = params->bp;
  7454. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7455. /* Clear RX Alarm*/
  7456. bnx2x_cl45_read(bp, phy,
  7457. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7458. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7459. MDIO_PMA_LASI_TXCTRL);
  7460. /* clear LASI indication*/
  7461. bnx2x_cl45_read(bp, phy,
  7462. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7463. bnx2x_cl45_read(bp, phy,
  7464. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7465. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7466. bnx2x_cl45_read(bp, phy,
  7467. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7468. bnx2x_cl45_read(bp, phy,
  7469. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7470. bnx2x_cl45_read(bp, phy,
  7471. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7472. bnx2x_cl45_read(bp, phy,
  7473. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7474. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7475. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7476. /*
  7477. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7478. * are set, or if the autoneg bit 1 is set
  7479. */
  7480. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7481. if (link_up) {
  7482. if (val2 & (1<<1))
  7483. vars->line_speed = SPEED_1000;
  7484. else
  7485. vars->line_speed = SPEED_10000;
  7486. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7487. vars->duplex = DUPLEX_FULL;
  7488. }
  7489. /* Capture 10G link fault. Read twice to clear stale value. */
  7490. if (vars->line_speed == SPEED_10000) {
  7491. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7492. MDIO_PMA_LASI_TXSTAT, &val1);
  7493. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7494. MDIO_PMA_LASI_TXSTAT, &val1);
  7495. if (val1 & (1<<0))
  7496. vars->fault_detected = 1;
  7497. }
  7498. return link_up;
  7499. }
  7500. /******************************************************************/
  7501. /* BCM8706 PHY SECTION */
  7502. /******************************************************************/
  7503. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7504. struct link_params *params,
  7505. struct link_vars *vars)
  7506. {
  7507. u32 tx_en_mode;
  7508. u16 cnt, val, tmp1;
  7509. struct bnx2x *bp = params->bp;
  7510. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7511. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7512. /* HW reset */
  7513. bnx2x_ext_phy_hw_reset(bp, params->port);
  7514. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7515. bnx2x_wait_reset_complete(bp, phy, params);
  7516. /* Wait until fw is loaded */
  7517. for (cnt = 0; cnt < 100; cnt++) {
  7518. bnx2x_cl45_read(bp, phy,
  7519. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7520. if (val)
  7521. break;
  7522. msleep(10);
  7523. }
  7524. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7525. if ((params->feature_config_flags &
  7526. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7527. u8 i;
  7528. u16 reg;
  7529. for (i = 0; i < 4; i++) {
  7530. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7531. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7532. MDIO_XS_8706_REG_BANK_RX0);
  7533. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7534. /* Clear first 3 bits of the control */
  7535. val &= ~0x7;
  7536. /* Set control bits according to configuration */
  7537. val |= (phy->rx_preemphasis[i] & 0x7);
  7538. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7539. " reg 0x%x <-- val 0x%x\n", reg, val);
  7540. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7541. }
  7542. }
  7543. /* Force speed */
  7544. if (phy->req_line_speed == SPEED_10000) {
  7545. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7546. bnx2x_cl45_write(bp, phy,
  7547. MDIO_PMA_DEVAD,
  7548. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7549. bnx2x_cl45_write(bp, phy,
  7550. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7551. 0);
  7552. /* Arm LASI for link and Tx fault. */
  7553. bnx2x_cl45_write(bp, phy,
  7554. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7555. } else {
  7556. /* Force 1Gbps using autoneg with 1G advertisement */
  7557. /* Allow CL37 through CL73 */
  7558. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7559. bnx2x_cl45_write(bp, phy,
  7560. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7561. /* Enable Full-Duplex advertisement on CL37 */
  7562. bnx2x_cl45_write(bp, phy,
  7563. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7564. /* Enable CL37 AN */
  7565. bnx2x_cl45_write(bp, phy,
  7566. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7567. /* 1G support */
  7568. bnx2x_cl45_write(bp, phy,
  7569. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7570. /* Enable clause 73 AN */
  7571. bnx2x_cl45_write(bp, phy,
  7572. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7573. bnx2x_cl45_write(bp, phy,
  7574. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7575. 0x0400);
  7576. bnx2x_cl45_write(bp, phy,
  7577. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7578. 0x0004);
  7579. }
  7580. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7581. /*
  7582. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7583. * power mode, if TX Laser is disabled
  7584. */
  7585. tx_en_mode = REG_RD(bp, params->shmem_base +
  7586. offsetof(struct shmem_region,
  7587. dev_info.port_hw_config[params->port].sfp_ctrl))
  7588. & PORT_HW_CFG_TX_LASER_MASK;
  7589. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7590. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7591. bnx2x_cl45_read(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7593. tmp1 |= 0x1;
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7596. }
  7597. return 0;
  7598. }
  7599. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7600. struct link_params *params,
  7601. struct link_vars *vars)
  7602. {
  7603. return bnx2x_8706_8726_read_status(phy, params, vars);
  7604. }
  7605. /******************************************************************/
  7606. /* BCM8726 PHY SECTION */
  7607. /******************************************************************/
  7608. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7609. struct link_params *params)
  7610. {
  7611. struct bnx2x *bp = params->bp;
  7612. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7613. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7614. }
  7615. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7616. struct link_params *params)
  7617. {
  7618. struct bnx2x *bp = params->bp;
  7619. /* Need to wait 100ms after reset */
  7620. msleep(100);
  7621. /* Micro controller re-boot */
  7622. bnx2x_cl45_write(bp, phy,
  7623. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7624. /* Set soft reset */
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_PMA_DEVAD,
  7627. MDIO_PMA_REG_GEN_CTRL,
  7628. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7629. bnx2x_cl45_write(bp, phy,
  7630. MDIO_PMA_DEVAD,
  7631. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD,
  7634. MDIO_PMA_REG_GEN_CTRL,
  7635. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7636. /* wait for 150ms for microcode load */
  7637. msleep(150);
  7638. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD,
  7641. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7642. msleep(200);
  7643. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7644. }
  7645. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7646. struct link_params *params,
  7647. struct link_vars *vars)
  7648. {
  7649. struct bnx2x *bp = params->bp;
  7650. u16 val1;
  7651. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7652. if (link_up) {
  7653. bnx2x_cl45_read(bp, phy,
  7654. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7655. &val1);
  7656. if (val1 & (1<<15)) {
  7657. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7658. link_up = 0;
  7659. vars->line_speed = 0;
  7660. }
  7661. }
  7662. return link_up;
  7663. }
  7664. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7665. struct link_params *params,
  7666. struct link_vars *vars)
  7667. {
  7668. struct bnx2x *bp = params->bp;
  7669. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7670. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7671. bnx2x_wait_reset_complete(bp, phy, params);
  7672. bnx2x_8726_external_rom_boot(phy, params);
  7673. /*
  7674. * Need to call module detected on initialization since the module
  7675. * detection triggered by actual module insertion might occur before
  7676. * driver is loaded, and when driver is loaded, it reset all
  7677. * registers, including the transmitter
  7678. */
  7679. bnx2x_sfp_module_detection(phy, params);
  7680. if (phy->req_line_speed == SPEED_1000) {
  7681. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7682. bnx2x_cl45_write(bp, phy,
  7683. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7684. bnx2x_cl45_write(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7686. bnx2x_cl45_write(bp, phy,
  7687. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7688. bnx2x_cl45_write(bp, phy,
  7689. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7690. 0x400);
  7691. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7692. (phy->speed_cap_mask &
  7693. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7694. ((phy->speed_cap_mask &
  7695. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7696. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7697. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7698. /* Set Flow control */
  7699. bnx2x_ext_phy_set_pause(params, phy, vars);
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7702. bnx2x_cl45_write(bp, phy,
  7703. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7704. bnx2x_cl45_write(bp, phy,
  7705. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7710. /*
  7711. * Enable RX-ALARM control to receive interrupt for 1G speed
  7712. * change
  7713. */
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7716. bnx2x_cl45_write(bp, phy,
  7717. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7718. 0x400);
  7719. } else { /* Default 10G. Set only LASI control */
  7720. bnx2x_cl45_write(bp, phy,
  7721. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7722. }
  7723. /* Set TX PreEmphasis if needed */
  7724. if ((params->feature_config_flags &
  7725. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7726. DP(NETIF_MSG_LINK,
  7727. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7728. phy->tx_preemphasis[0],
  7729. phy->tx_preemphasis[1]);
  7730. bnx2x_cl45_write(bp, phy,
  7731. MDIO_PMA_DEVAD,
  7732. MDIO_PMA_REG_8726_TX_CTRL1,
  7733. phy->tx_preemphasis[0]);
  7734. bnx2x_cl45_write(bp, phy,
  7735. MDIO_PMA_DEVAD,
  7736. MDIO_PMA_REG_8726_TX_CTRL2,
  7737. phy->tx_preemphasis[1]);
  7738. }
  7739. return 0;
  7740. }
  7741. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7742. struct link_params *params)
  7743. {
  7744. struct bnx2x *bp = params->bp;
  7745. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7746. /* Set serial boot control for external load */
  7747. bnx2x_cl45_write(bp, phy,
  7748. MDIO_PMA_DEVAD,
  7749. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7750. }
  7751. /******************************************************************/
  7752. /* BCM8727 PHY SECTION */
  7753. /******************************************************************/
  7754. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7755. struct link_params *params, u8 mode)
  7756. {
  7757. struct bnx2x *bp = params->bp;
  7758. u16 led_mode_bitmask = 0;
  7759. u16 gpio_pins_bitmask = 0;
  7760. u16 val;
  7761. /* Only NOC flavor requires to set the LED specifically */
  7762. if (!(phy->flags & FLAGS_NOC))
  7763. return;
  7764. switch (mode) {
  7765. case LED_MODE_FRONT_PANEL_OFF:
  7766. case LED_MODE_OFF:
  7767. led_mode_bitmask = 0;
  7768. gpio_pins_bitmask = 0x03;
  7769. break;
  7770. case LED_MODE_ON:
  7771. led_mode_bitmask = 0;
  7772. gpio_pins_bitmask = 0x02;
  7773. break;
  7774. case LED_MODE_OPER:
  7775. led_mode_bitmask = 0x60;
  7776. gpio_pins_bitmask = 0x11;
  7777. break;
  7778. }
  7779. bnx2x_cl45_read(bp, phy,
  7780. MDIO_PMA_DEVAD,
  7781. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7782. &val);
  7783. val &= 0xff8f;
  7784. val |= led_mode_bitmask;
  7785. bnx2x_cl45_write(bp, phy,
  7786. MDIO_PMA_DEVAD,
  7787. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7788. val);
  7789. bnx2x_cl45_read(bp, phy,
  7790. MDIO_PMA_DEVAD,
  7791. MDIO_PMA_REG_8727_GPIO_CTRL,
  7792. &val);
  7793. val &= 0xffe0;
  7794. val |= gpio_pins_bitmask;
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_PMA_DEVAD,
  7797. MDIO_PMA_REG_8727_GPIO_CTRL,
  7798. val);
  7799. }
  7800. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7801. struct link_params *params) {
  7802. u32 swap_val, swap_override;
  7803. u8 port;
  7804. /*
  7805. * The PHY reset is controlled by GPIO 1. Fake the port number
  7806. * to cancel the swap done in set_gpio()
  7807. */
  7808. struct bnx2x *bp = params->bp;
  7809. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7810. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7811. port = (swap_val && swap_override) ^ 1;
  7812. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7813. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7814. }
  7815. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7816. struct link_params *params,
  7817. struct link_vars *vars)
  7818. {
  7819. u32 tx_en_mode;
  7820. u16 tmp1, val, mod_abs, tmp2;
  7821. u16 rx_alarm_ctrl_val;
  7822. u16 lasi_ctrl_val;
  7823. struct bnx2x *bp = params->bp;
  7824. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7825. bnx2x_wait_reset_complete(bp, phy, params);
  7826. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7827. /* Should be 0x6 to enable XS on Tx side. */
  7828. lasi_ctrl_val = 0x0006;
  7829. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7830. /* enable LASI */
  7831. bnx2x_cl45_write(bp, phy,
  7832. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7833. rx_alarm_ctrl_val);
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7836. 0);
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7839. /*
  7840. * Initially configure MOD_ABS to interrupt when module is
  7841. * presence( bit 8)
  7842. */
  7843. bnx2x_cl45_read(bp, phy,
  7844. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7845. /*
  7846. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7847. * When the EDC is off it locks onto a reference clock and avoids
  7848. * becoming 'lost'
  7849. */
  7850. mod_abs &= ~(1<<8);
  7851. if (!(phy->flags & FLAGS_NOC))
  7852. mod_abs &= ~(1<<9);
  7853. bnx2x_cl45_write(bp, phy,
  7854. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7855. /* Enable/Disable PHY transmitter output */
  7856. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7857. /* Make MOD_ABS give interrupt on change */
  7858. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7859. &val);
  7860. val |= (1<<12);
  7861. if (phy->flags & FLAGS_NOC)
  7862. val |= (3<<5);
  7863. /*
  7864. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7865. * status which reflect SFP+ module over-current
  7866. */
  7867. if (!(phy->flags & FLAGS_NOC))
  7868. val &= 0xff8f; /* Reset bits 4-6 */
  7869. bnx2x_cl45_write(bp, phy,
  7870. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7871. bnx2x_8727_power_module(bp, phy, 1);
  7872. bnx2x_cl45_read(bp, phy,
  7873. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7874. bnx2x_cl45_read(bp, phy,
  7875. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7876. /* Set option 1G speed */
  7877. if (phy->req_line_speed == SPEED_1000) {
  7878. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7879. bnx2x_cl45_write(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7881. bnx2x_cl45_write(bp, phy,
  7882. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7883. bnx2x_cl45_read(bp, phy,
  7884. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7885. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7886. /*
  7887. * Power down the XAUI until link is up in case of dual-media
  7888. * and 1G
  7889. */
  7890. if (DUAL_MEDIA(params)) {
  7891. bnx2x_cl45_read(bp, phy,
  7892. MDIO_PMA_DEVAD,
  7893. MDIO_PMA_REG_8727_PCS_GP, &val);
  7894. val |= (3<<10);
  7895. bnx2x_cl45_write(bp, phy,
  7896. MDIO_PMA_DEVAD,
  7897. MDIO_PMA_REG_8727_PCS_GP, val);
  7898. }
  7899. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7900. ((phy->speed_cap_mask &
  7901. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7902. ((phy->speed_cap_mask &
  7903. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7904. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7905. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7908. bnx2x_cl45_write(bp, phy,
  7909. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7910. } else {
  7911. /*
  7912. * Since the 8727 has only single reset pin, need to set the 10G
  7913. * registers although it is default
  7914. */
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7917. 0x0020);
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7920. bnx2x_cl45_write(bp, phy,
  7921. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7924. 0x0008);
  7925. }
  7926. /*
  7927. * Set 2-wire transfer rate of SFP+ module EEPROM
  7928. * to 100Khz since some DACs(direct attached cables) do
  7929. * not work at 400Khz.
  7930. */
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7933. 0xa001);
  7934. /* Set TX PreEmphasis if needed */
  7935. if ((params->feature_config_flags &
  7936. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7937. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7938. phy->tx_preemphasis[0],
  7939. phy->tx_preemphasis[1]);
  7940. bnx2x_cl45_write(bp, phy,
  7941. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7942. phy->tx_preemphasis[0]);
  7943. bnx2x_cl45_write(bp, phy,
  7944. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7945. phy->tx_preemphasis[1]);
  7946. }
  7947. /*
  7948. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7949. * power mode, if TX Laser is disabled
  7950. */
  7951. tx_en_mode = REG_RD(bp, params->shmem_base +
  7952. offsetof(struct shmem_region,
  7953. dev_info.port_hw_config[params->port].sfp_ctrl))
  7954. & PORT_HW_CFG_TX_LASER_MASK;
  7955. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7956. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7957. bnx2x_cl45_read(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7959. tmp2 |= 0x1000;
  7960. tmp2 &= 0xFFEF;
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7963. }
  7964. return 0;
  7965. }
  7966. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7967. struct link_params *params)
  7968. {
  7969. struct bnx2x *bp = params->bp;
  7970. u16 mod_abs, rx_alarm_status;
  7971. u32 val = REG_RD(bp, params->shmem_base +
  7972. offsetof(struct shmem_region, dev_info.
  7973. port_feature_config[params->port].
  7974. config));
  7975. bnx2x_cl45_read(bp, phy,
  7976. MDIO_PMA_DEVAD,
  7977. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7978. if (mod_abs & (1<<8)) {
  7979. /* Module is absent */
  7980. DP(NETIF_MSG_LINK,
  7981. "MOD_ABS indication show module is absent\n");
  7982. phy->media_type = ETH_PHY_NOT_PRESENT;
  7983. /*
  7984. * 1. Set mod_abs to detect next module
  7985. * presence event
  7986. * 2. Set EDC off by setting OPTXLOS signal input to low
  7987. * (bit 9).
  7988. * When the EDC is off it locks onto a reference clock and
  7989. * avoids becoming 'lost'.
  7990. */
  7991. mod_abs &= ~(1<<8);
  7992. if (!(phy->flags & FLAGS_NOC))
  7993. mod_abs &= ~(1<<9);
  7994. bnx2x_cl45_write(bp, phy,
  7995. MDIO_PMA_DEVAD,
  7996. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7997. /*
  7998. * Clear RX alarm since it stays up as long as
  7999. * the mod_abs wasn't changed
  8000. */
  8001. bnx2x_cl45_read(bp, phy,
  8002. MDIO_PMA_DEVAD,
  8003. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8004. } else {
  8005. /* Module is present */
  8006. DP(NETIF_MSG_LINK,
  8007. "MOD_ABS indication show module is present\n");
  8008. /*
  8009. * First disable transmitter, and if the module is ok, the
  8010. * module_detection will enable it
  8011. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8012. * 2. Restore the default polarity of the OPRXLOS signal and
  8013. * this signal will then correctly indicate the presence or
  8014. * absence of the Rx signal. (bit 9)
  8015. */
  8016. mod_abs |= (1<<8);
  8017. if (!(phy->flags & FLAGS_NOC))
  8018. mod_abs |= (1<<9);
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD,
  8021. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8022. /*
  8023. * Clear RX alarm since it stays up as long as the mod_abs
  8024. * wasn't changed. This is need to be done before calling the
  8025. * module detection, otherwise it will clear* the link update
  8026. * alarm
  8027. */
  8028. bnx2x_cl45_read(bp, phy,
  8029. MDIO_PMA_DEVAD,
  8030. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8031. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8032. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8033. bnx2x_sfp_set_transmitter(params, phy, 0);
  8034. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8035. bnx2x_sfp_module_detection(phy, params);
  8036. else
  8037. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8038. }
  8039. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8040. rx_alarm_status);
  8041. /* No need to check link status in case of module plugged in/out */
  8042. }
  8043. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8044. struct link_params *params,
  8045. struct link_vars *vars)
  8046. {
  8047. struct bnx2x *bp = params->bp;
  8048. u8 link_up = 0, oc_port = params->port;
  8049. u16 link_status = 0;
  8050. u16 rx_alarm_status, lasi_ctrl, val1;
  8051. /* If PHY is not initialized, do not check link status */
  8052. bnx2x_cl45_read(bp, phy,
  8053. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8054. &lasi_ctrl);
  8055. if (!lasi_ctrl)
  8056. return 0;
  8057. /* Check the LASI on Rx */
  8058. bnx2x_cl45_read(bp, phy,
  8059. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8060. &rx_alarm_status);
  8061. vars->line_speed = 0;
  8062. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8063. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8064. MDIO_PMA_LASI_TXCTRL);
  8065. bnx2x_cl45_read(bp, phy,
  8066. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8067. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8068. /* Clear MSG-OUT */
  8069. bnx2x_cl45_read(bp, phy,
  8070. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8071. /*
  8072. * If a module is present and there is need to check
  8073. * for over current
  8074. */
  8075. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8076. /* Check over-current using 8727 GPIO0 input*/
  8077. bnx2x_cl45_read(bp, phy,
  8078. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8079. &val1);
  8080. if ((val1 & (1<<8)) == 0) {
  8081. if (!CHIP_IS_E1x(bp))
  8082. oc_port = BP_PATH(bp) + (params->port << 1);
  8083. DP(NETIF_MSG_LINK,
  8084. "8727 Power fault has been detected on port %d\n",
  8085. oc_port);
  8086. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8087. "been detected and the power to "
  8088. "that SFP+ module has been removed "
  8089. "to prevent failure of the card. "
  8090. "Please remove the SFP+ module and "
  8091. "restart the system to clear this "
  8092. "error.\n",
  8093. oc_port);
  8094. /* Disable all RX_ALARMs except for mod_abs */
  8095. bnx2x_cl45_write(bp, phy,
  8096. MDIO_PMA_DEVAD,
  8097. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8098. bnx2x_cl45_read(bp, phy,
  8099. MDIO_PMA_DEVAD,
  8100. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8101. /* Wait for module_absent_event */
  8102. val1 |= (1<<8);
  8103. bnx2x_cl45_write(bp, phy,
  8104. MDIO_PMA_DEVAD,
  8105. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8106. /* Clear RX alarm */
  8107. bnx2x_cl45_read(bp, phy,
  8108. MDIO_PMA_DEVAD,
  8109. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8110. return 0;
  8111. }
  8112. } /* Over current check */
  8113. /* When module absent bit is set, check module */
  8114. if (rx_alarm_status & (1<<5)) {
  8115. bnx2x_8727_handle_mod_abs(phy, params);
  8116. /* Enable all mod_abs and link detection bits */
  8117. bnx2x_cl45_write(bp, phy,
  8118. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8119. ((1<<5) | (1<<2)));
  8120. }
  8121. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8122. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8123. /* If transmitter is disabled, ignore false link up indication */
  8124. bnx2x_cl45_read(bp, phy,
  8125. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8126. if (val1 & (1<<15)) {
  8127. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8128. return 0;
  8129. }
  8130. bnx2x_cl45_read(bp, phy,
  8131. MDIO_PMA_DEVAD,
  8132. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8133. /*
  8134. * Bits 0..2 --> speed detected,
  8135. * Bits 13..15--> link is down
  8136. */
  8137. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8138. link_up = 1;
  8139. vars->line_speed = SPEED_10000;
  8140. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8141. params->port);
  8142. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8143. link_up = 1;
  8144. vars->line_speed = SPEED_1000;
  8145. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8146. params->port);
  8147. } else {
  8148. link_up = 0;
  8149. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8150. params->port);
  8151. }
  8152. /* Capture 10G link fault. */
  8153. if (vars->line_speed == SPEED_10000) {
  8154. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8155. MDIO_PMA_LASI_TXSTAT, &val1);
  8156. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8157. MDIO_PMA_LASI_TXSTAT, &val1);
  8158. if (val1 & (1<<0)) {
  8159. vars->fault_detected = 1;
  8160. }
  8161. }
  8162. if (link_up) {
  8163. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8164. vars->duplex = DUPLEX_FULL;
  8165. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8166. }
  8167. if ((DUAL_MEDIA(params)) &&
  8168. (phy->req_line_speed == SPEED_1000)) {
  8169. bnx2x_cl45_read(bp, phy,
  8170. MDIO_PMA_DEVAD,
  8171. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8172. /*
  8173. * In case of dual-media board and 1G, power up the XAUI side,
  8174. * otherwise power it down. For 10G it is done automatically
  8175. */
  8176. if (link_up)
  8177. val1 &= ~(3<<10);
  8178. else
  8179. val1 |= (3<<10);
  8180. bnx2x_cl45_write(bp, phy,
  8181. MDIO_PMA_DEVAD,
  8182. MDIO_PMA_REG_8727_PCS_GP, val1);
  8183. }
  8184. return link_up;
  8185. }
  8186. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8187. struct link_params *params)
  8188. {
  8189. struct bnx2x *bp = params->bp;
  8190. /* Enable/Disable PHY transmitter output */
  8191. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8192. /* Disable Transmitter */
  8193. bnx2x_sfp_set_transmitter(params, phy, 0);
  8194. /* Clear LASI */
  8195. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8196. }
  8197. /******************************************************************/
  8198. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8199. /******************************************************************/
  8200. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8201. struct bnx2x *bp,
  8202. u8 port)
  8203. {
  8204. u16 val, fw_ver1, fw_ver2, cnt;
  8205. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8206. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8207. bnx2x_save_spirom_version(bp, port,
  8208. ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
  8209. phy->ver_addr);
  8210. } else {
  8211. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8212. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8213. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8214. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8215. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8216. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8217. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8218. for (cnt = 0; cnt < 100; cnt++) {
  8219. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8220. if (val & 1)
  8221. break;
  8222. udelay(5);
  8223. }
  8224. if (cnt == 100) {
  8225. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8226. "phy fw version(1)\n");
  8227. bnx2x_save_spirom_version(bp, port, 0,
  8228. phy->ver_addr);
  8229. return;
  8230. }
  8231. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8232. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8233. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8234. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8235. for (cnt = 0; cnt < 100; cnt++) {
  8236. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8237. if (val & 1)
  8238. break;
  8239. udelay(5);
  8240. }
  8241. if (cnt == 100) {
  8242. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8243. "version(2)\n");
  8244. bnx2x_save_spirom_version(bp, port, 0,
  8245. phy->ver_addr);
  8246. return;
  8247. }
  8248. /* lower 16 bits of the register SPI_FW_STATUS */
  8249. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8250. /* upper 16 bits of register SPI_FW_STATUS */
  8251. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8252. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8253. phy->ver_addr);
  8254. }
  8255. }
  8256. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8257. struct bnx2x_phy *phy)
  8258. {
  8259. u16 val, offset;
  8260. /* PHYC_CTL_LED_CTL */
  8261. bnx2x_cl45_read(bp, phy,
  8262. MDIO_PMA_DEVAD,
  8263. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8264. val &= 0xFE00;
  8265. val |= 0x0092;
  8266. bnx2x_cl45_write(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8481_LED1_MASK,
  8272. 0x80);
  8273. bnx2x_cl45_write(bp, phy,
  8274. MDIO_PMA_DEVAD,
  8275. MDIO_PMA_REG_8481_LED2_MASK,
  8276. 0x18);
  8277. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8278. bnx2x_cl45_write(bp, phy,
  8279. MDIO_PMA_DEVAD,
  8280. MDIO_PMA_REG_8481_LED3_MASK,
  8281. 0x0006);
  8282. /* Select the closest activity blink rate to that in 10/100/1000 */
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_8481_LED3_BLINK,
  8286. 0);
  8287. /* Configure the blink rate to ~15.9 Hz */
  8288. bnx2x_cl45_write(bp, phy,
  8289. MDIO_PMA_DEVAD,
  8290. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8291. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8292. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8293. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8294. else
  8295. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8296. bnx2x_cl45_read(bp, phy,
  8297. MDIO_PMA_DEVAD, offset, &val);
  8298. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8299. bnx2x_cl45_write(bp, phy,
  8300. MDIO_PMA_DEVAD, offset, val);
  8301. /* 'Interrupt Mask' */
  8302. bnx2x_cl45_write(bp, phy,
  8303. MDIO_AN_DEVAD,
  8304. 0xFFFB, 0xFFFD);
  8305. }
  8306. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8307. struct link_params *params,
  8308. struct link_vars *vars)
  8309. {
  8310. struct bnx2x *bp = params->bp;
  8311. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8312. u16 tmp_req_line_speed;
  8313. tmp_req_line_speed = phy->req_line_speed;
  8314. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8315. if (phy->req_line_speed == SPEED_10000)
  8316. phy->req_line_speed = SPEED_AUTO_NEG;
  8317. } else {
  8318. /* Save spirom version */
  8319. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8320. }
  8321. /*
  8322. * This phy uses the NIG latch mechanism since link indication
  8323. * arrives through its LED4 and not via its LASI signal, so we
  8324. * get steady signal instead of clear on read
  8325. */
  8326. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8327. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8328. bnx2x_cl45_write(bp, phy,
  8329. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8330. bnx2x_848xx_set_led(bp, phy);
  8331. /* set 1000 speed advertisement */
  8332. bnx2x_cl45_read(bp, phy,
  8333. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8334. &an_1000_val);
  8335. bnx2x_ext_phy_set_pause(params, phy, vars);
  8336. bnx2x_cl45_read(bp, phy,
  8337. MDIO_AN_DEVAD,
  8338. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8339. &an_10_100_val);
  8340. bnx2x_cl45_read(bp, phy,
  8341. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8342. &autoneg_val);
  8343. /* Disable forced speed */
  8344. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8345. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8346. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8347. (phy->speed_cap_mask &
  8348. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8349. (phy->req_line_speed == SPEED_1000)) {
  8350. an_1000_val |= (1<<8);
  8351. autoneg_val |= (1<<9 | 1<<12);
  8352. if (phy->req_duplex == DUPLEX_FULL)
  8353. an_1000_val |= (1<<9);
  8354. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8355. } else
  8356. an_1000_val &= ~((1<<8) | (1<<9));
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8359. an_1000_val);
  8360. /* set 100 speed advertisement */
  8361. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8362. (phy->speed_cap_mask &
  8363. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8364. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8365. an_10_100_val |= (1<<7);
  8366. /* Enable autoneg and restart autoneg for legacy speeds */
  8367. autoneg_val |= (1<<9 | 1<<12);
  8368. if (phy->req_duplex == DUPLEX_FULL)
  8369. an_10_100_val |= (1<<8);
  8370. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8371. }
  8372. /* set 10 speed advertisement */
  8373. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8374. (phy->speed_cap_mask &
  8375. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8376. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8377. (phy->supported &
  8378. (SUPPORTED_10baseT_Half |
  8379. SUPPORTED_10baseT_Full)))) {
  8380. an_10_100_val |= (1<<5);
  8381. autoneg_val |= (1<<9 | 1<<12);
  8382. if (phy->req_duplex == DUPLEX_FULL)
  8383. an_10_100_val |= (1<<6);
  8384. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8385. }
  8386. /* Only 10/100 are allowed to work in FORCE mode */
  8387. if ((phy->req_line_speed == SPEED_100) &&
  8388. (phy->supported &
  8389. (SUPPORTED_100baseT_Half |
  8390. SUPPORTED_100baseT_Full))) {
  8391. autoneg_val |= (1<<13);
  8392. /* Enabled AUTO-MDIX when autoneg is disabled */
  8393. bnx2x_cl45_write(bp, phy,
  8394. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8395. (1<<15 | 1<<9 | 7<<0));
  8396. /* The PHY needs this set even for forced link. */
  8397. an_10_100_val |= (1<<8) | (1<<7);
  8398. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8399. }
  8400. if ((phy->req_line_speed == SPEED_10) &&
  8401. (phy->supported &
  8402. (SUPPORTED_10baseT_Half |
  8403. SUPPORTED_10baseT_Full))) {
  8404. /* Enabled AUTO-MDIX when autoneg is disabled */
  8405. bnx2x_cl45_write(bp, phy,
  8406. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8407. (1<<15 | 1<<9 | 7<<0));
  8408. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8409. }
  8410. bnx2x_cl45_write(bp, phy,
  8411. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8412. an_10_100_val);
  8413. if (phy->req_duplex == DUPLEX_FULL)
  8414. autoneg_val |= (1<<8);
  8415. /*
  8416. * Always write this if this is not 84833.
  8417. * For 84833, write it only when it's a forced speed.
  8418. */
  8419. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8420. ((autoneg_val & (1<<12)) == 0))
  8421. bnx2x_cl45_write(bp, phy,
  8422. MDIO_AN_DEVAD,
  8423. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8424. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8425. (phy->speed_cap_mask &
  8426. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8427. (phy->req_line_speed == SPEED_10000)) {
  8428. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8429. /* Restart autoneg for 10G*/
  8430. bnx2x_cl45_read(bp, phy,
  8431. MDIO_AN_DEVAD,
  8432. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8433. &an_10g_val);
  8434. bnx2x_cl45_write(bp, phy,
  8435. MDIO_AN_DEVAD,
  8436. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8437. an_10g_val | 0x1000);
  8438. bnx2x_cl45_write(bp, phy,
  8439. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8440. 0x3200);
  8441. } else
  8442. bnx2x_cl45_write(bp, phy,
  8443. MDIO_AN_DEVAD,
  8444. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8445. 1);
  8446. phy->req_line_speed = tmp_req_line_speed;
  8447. return 0;
  8448. }
  8449. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8450. struct link_params *params,
  8451. struct link_vars *vars)
  8452. {
  8453. struct bnx2x *bp = params->bp;
  8454. /* Restore normal power mode*/
  8455. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8456. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8457. /* HW reset */
  8458. bnx2x_ext_phy_hw_reset(bp, params->port);
  8459. bnx2x_wait_reset_complete(bp, phy, params);
  8460. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8461. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8462. }
  8463. #define PHY84833_CMDHDLR_WAIT 300
  8464. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8465. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8466. struct link_params *params,
  8467. u16 fw_cmd,
  8468. u16 cmd_args[])
  8469. {
  8470. u32 idx;
  8471. u16 val;
  8472. struct bnx2x *bp = params->bp;
  8473. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8474. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8475. MDIO_84833_CMD_HDLR_STATUS,
  8476. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8477. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8478. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8479. MDIO_84833_CMD_HDLR_STATUS, &val);
  8480. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8481. break;
  8482. msleep(1);
  8483. }
  8484. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8485. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8486. return -EINVAL;
  8487. }
  8488. /* Prepare argument(s) and issue command */
  8489. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8490. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8491. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8492. cmd_args[idx]);
  8493. }
  8494. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8495. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8496. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8497. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8498. MDIO_84833_CMD_HDLR_STATUS, &val);
  8499. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8500. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8501. break;
  8502. msleep(1);
  8503. }
  8504. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8505. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8506. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8507. return -EINVAL;
  8508. }
  8509. /* Gather returning data */
  8510. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8511. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8512. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8513. &cmd_args[idx]);
  8514. }
  8515. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8516. MDIO_84833_CMD_HDLR_STATUS,
  8517. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8518. return 0;
  8519. }
  8520. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8521. struct link_params *params,
  8522. struct link_vars *vars)
  8523. {
  8524. u32 pair_swap;
  8525. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8526. int status;
  8527. struct bnx2x *bp = params->bp;
  8528. /* Check for configuration. */
  8529. pair_swap = REG_RD(bp, params->shmem_base +
  8530. offsetof(struct shmem_region,
  8531. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8532. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8533. if (pair_swap == 0)
  8534. return 0;
  8535. /* Only the second argument is used for this command */
  8536. data[1] = (u16)pair_swap;
  8537. status = bnx2x_84833_cmd_hdlr(phy, params,
  8538. PHY84833_CMD_SET_PAIR_SWAP, data);
  8539. if (status == 0)
  8540. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8541. return status;
  8542. }
  8543. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8544. u32 shmem_base_path[],
  8545. u32 chip_id)
  8546. {
  8547. u32 reset_pin[2];
  8548. u32 idx;
  8549. u8 reset_gpios;
  8550. if (CHIP_IS_E3(bp)) {
  8551. /* Assume that these will be GPIOs, not EPIOs. */
  8552. for (idx = 0; idx < 2; idx++) {
  8553. /* Map config param to register bit. */
  8554. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8555. offsetof(struct shmem_region,
  8556. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8557. reset_pin[idx] = (reset_pin[idx] &
  8558. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8559. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8560. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8561. reset_pin[idx] = (1 << reset_pin[idx]);
  8562. }
  8563. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8564. } else {
  8565. /* E2, look from diff place of shmem. */
  8566. for (idx = 0; idx < 2; idx++) {
  8567. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8568. offsetof(struct shmem_region,
  8569. dev_info.port_hw_config[0].default_cfg));
  8570. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8571. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8572. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8573. reset_pin[idx] = (1 << reset_pin[idx]);
  8574. }
  8575. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8576. }
  8577. return reset_gpios;
  8578. }
  8579. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8580. struct link_params *params)
  8581. {
  8582. struct bnx2x *bp = params->bp;
  8583. u8 reset_gpios;
  8584. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8585. offsetof(struct shmem2_region,
  8586. other_shmem_base_addr));
  8587. u32 shmem_base_path[2];
  8588. shmem_base_path[0] = params->shmem_base;
  8589. shmem_base_path[1] = other_shmem_base_addr;
  8590. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8591. params->chip_id);
  8592. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8593. udelay(10);
  8594. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8595. reset_gpios);
  8596. return 0;
  8597. }
  8598. #define PHY84833_CONSTANT_LATENCY 1193
  8599. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8600. struct link_params *params,
  8601. struct link_vars *vars)
  8602. {
  8603. struct bnx2x *bp = params->bp;
  8604. u8 port, initialize = 1;
  8605. u16 val;
  8606. u32 actual_phy_selection, cms_enable;
  8607. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8608. int rc = 0;
  8609. msleep(1);
  8610. if (!(CHIP_IS_E1(bp)))
  8611. port = BP_PATH(bp);
  8612. else
  8613. port = params->port;
  8614. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8615. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8616. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8617. port);
  8618. } else {
  8619. /* MDIO reset */
  8620. bnx2x_cl45_write(bp, phy,
  8621. MDIO_PMA_DEVAD,
  8622. MDIO_PMA_REG_CTRL, 0x8000);
  8623. }
  8624. bnx2x_wait_reset_complete(bp, phy, params);
  8625. /* Wait for GPHY to come out of reset */
  8626. msleep(50);
  8627. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8628. /*
  8629. * BCM84823 requires that XGXS links up first @ 10G for normal
  8630. * behavior.
  8631. */
  8632. u16 temp;
  8633. temp = vars->line_speed;
  8634. vars->line_speed = SPEED_10000;
  8635. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8636. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8637. vars->line_speed = temp;
  8638. }
  8639. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8640. MDIO_CTL_REG_84823_MEDIA, &val);
  8641. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8642. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8643. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8644. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8645. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8646. if (CHIP_IS_E3(bp)) {
  8647. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8648. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8649. } else {
  8650. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8651. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8652. }
  8653. actual_phy_selection = bnx2x_phy_selection(params);
  8654. switch (actual_phy_selection) {
  8655. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8656. /* Do nothing. Essentially this is like the priority copper */
  8657. break;
  8658. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8659. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8660. break;
  8661. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8662. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8663. break;
  8664. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8665. /* Do nothing here. The first PHY won't be initialized at all */
  8666. break;
  8667. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8668. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8669. initialize = 0;
  8670. break;
  8671. }
  8672. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8673. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8674. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8675. MDIO_CTL_REG_84823_MEDIA, val);
  8676. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8677. params->multi_phy_config, val);
  8678. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8679. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8680. /* AutogrEEEn */
  8681. if (params->feature_config_flags &
  8682. FEATURE_CONFIG_AUTOGREEEN_ENABLED)
  8683. cmd_args[0] = 0x2;
  8684. else
  8685. cmd_args[0] = 0x0;
  8686. cmd_args[1] = 0x0;
  8687. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8688. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8689. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8690. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8691. if (rc != 0)
  8692. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8693. }
  8694. if (initialize)
  8695. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8696. else
  8697. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8698. /* 84833 PHY has a better feature and doesn't need to support this. */
  8699. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8700. cms_enable = REG_RD(bp, params->shmem_base +
  8701. offsetof(struct shmem_region,
  8702. dev_info.port_hw_config[params->port].default_cfg)) &
  8703. PORT_HW_CFG_ENABLE_CMS_MASK;
  8704. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8705. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8706. if (cms_enable)
  8707. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8708. else
  8709. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8710. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8711. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8712. }
  8713. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8714. /* Bring PHY out of super isolate mode as the final step. */
  8715. bnx2x_cl45_read(bp, phy,
  8716. MDIO_CTL_DEVAD,
  8717. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8718. val &= ~MDIO_84833_SUPER_ISOLATE;
  8719. bnx2x_cl45_write(bp, phy,
  8720. MDIO_CTL_DEVAD,
  8721. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8722. }
  8723. return rc;
  8724. }
  8725. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8726. struct link_params *params,
  8727. struct link_vars *vars)
  8728. {
  8729. struct bnx2x *bp = params->bp;
  8730. u16 val, val1, val2;
  8731. u8 link_up = 0;
  8732. /* Check 10G-BaseT link status */
  8733. /* Check PMD signal ok */
  8734. bnx2x_cl45_read(bp, phy,
  8735. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8736. bnx2x_cl45_read(bp, phy,
  8737. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8738. &val2);
  8739. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8740. /* Check link 10G */
  8741. if (val2 & (1<<11)) {
  8742. vars->line_speed = SPEED_10000;
  8743. vars->duplex = DUPLEX_FULL;
  8744. link_up = 1;
  8745. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8746. } else { /* Check Legacy speed link */
  8747. u16 legacy_status, legacy_speed;
  8748. /* Enable expansion register 0x42 (Operation mode status) */
  8749. bnx2x_cl45_write(bp, phy,
  8750. MDIO_AN_DEVAD,
  8751. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8752. /* Get legacy speed operation status */
  8753. bnx2x_cl45_read(bp, phy,
  8754. MDIO_AN_DEVAD,
  8755. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8756. &legacy_status);
  8757. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8758. legacy_status);
  8759. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8760. if (link_up) {
  8761. legacy_speed = (legacy_status & (3<<9));
  8762. if (legacy_speed == (0<<9))
  8763. vars->line_speed = SPEED_10;
  8764. else if (legacy_speed == (1<<9))
  8765. vars->line_speed = SPEED_100;
  8766. else if (legacy_speed == (2<<9))
  8767. vars->line_speed = SPEED_1000;
  8768. else /* Should not happen */
  8769. vars->line_speed = 0;
  8770. if (legacy_status & (1<<8))
  8771. vars->duplex = DUPLEX_FULL;
  8772. else
  8773. vars->duplex = DUPLEX_HALF;
  8774. DP(NETIF_MSG_LINK,
  8775. "Link is up in %dMbps, is_duplex_full= %d\n",
  8776. vars->line_speed,
  8777. (vars->duplex == DUPLEX_FULL));
  8778. /* Check legacy speed AN resolution */
  8779. bnx2x_cl45_read(bp, phy,
  8780. MDIO_AN_DEVAD,
  8781. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8782. &val);
  8783. if (val & (1<<5))
  8784. vars->link_status |=
  8785. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8786. bnx2x_cl45_read(bp, phy,
  8787. MDIO_AN_DEVAD,
  8788. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8789. &val);
  8790. if ((val & (1<<0)) == 0)
  8791. vars->link_status |=
  8792. LINK_STATUS_PARALLEL_DETECTION_USED;
  8793. }
  8794. }
  8795. if (link_up) {
  8796. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8797. vars->line_speed);
  8798. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8799. }
  8800. return link_up;
  8801. }
  8802. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8803. {
  8804. int status = 0;
  8805. u32 spirom_ver;
  8806. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8807. status = bnx2x_format_ver(spirom_ver, str, len);
  8808. return status;
  8809. }
  8810. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8811. struct link_params *params)
  8812. {
  8813. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8814. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8815. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8816. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8817. }
  8818. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8819. struct link_params *params)
  8820. {
  8821. bnx2x_cl45_write(params->bp, phy,
  8822. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8823. bnx2x_cl45_write(params->bp, phy,
  8824. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8825. }
  8826. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8827. struct link_params *params)
  8828. {
  8829. struct bnx2x *bp = params->bp;
  8830. u8 port;
  8831. u16 val16;
  8832. if (!(CHIP_IS_E1(bp)))
  8833. port = BP_PATH(bp);
  8834. else
  8835. port = params->port;
  8836. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8837. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8838. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8839. port);
  8840. } else {
  8841. bnx2x_cl45_read(bp, phy,
  8842. MDIO_CTL_DEVAD,
  8843. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8844. val16 |= MDIO_84833_SUPER_ISOLATE;
  8845. bnx2x_cl45_write(bp, phy,
  8846. MDIO_CTL_DEVAD,
  8847. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8848. }
  8849. }
  8850. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8851. struct link_params *params, u8 mode)
  8852. {
  8853. struct bnx2x *bp = params->bp;
  8854. u16 val;
  8855. u8 port;
  8856. if (!(CHIP_IS_E1(bp)))
  8857. port = BP_PATH(bp);
  8858. else
  8859. port = params->port;
  8860. switch (mode) {
  8861. case LED_MODE_OFF:
  8862. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8863. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8864. SHARED_HW_CFG_LED_EXTPHY1) {
  8865. /* Set LED masks */
  8866. bnx2x_cl45_write(bp, phy,
  8867. MDIO_PMA_DEVAD,
  8868. MDIO_PMA_REG_8481_LED1_MASK,
  8869. 0x0);
  8870. bnx2x_cl45_write(bp, phy,
  8871. MDIO_PMA_DEVAD,
  8872. MDIO_PMA_REG_8481_LED2_MASK,
  8873. 0x0);
  8874. bnx2x_cl45_write(bp, phy,
  8875. MDIO_PMA_DEVAD,
  8876. MDIO_PMA_REG_8481_LED3_MASK,
  8877. 0x0);
  8878. bnx2x_cl45_write(bp, phy,
  8879. MDIO_PMA_DEVAD,
  8880. MDIO_PMA_REG_8481_LED5_MASK,
  8881. 0x0);
  8882. } else {
  8883. bnx2x_cl45_write(bp, phy,
  8884. MDIO_PMA_DEVAD,
  8885. MDIO_PMA_REG_8481_LED1_MASK,
  8886. 0x0);
  8887. }
  8888. break;
  8889. case LED_MODE_FRONT_PANEL_OFF:
  8890. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8891. port);
  8892. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8893. SHARED_HW_CFG_LED_EXTPHY1) {
  8894. /* Set LED masks */
  8895. bnx2x_cl45_write(bp, phy,
  8896. MDIO_PMA_DEVAD,
  8897. MDIO_PMA_REG_8481_LED1_MASK,
  8898. 0x0);
  8899. bnx2x_cl45_write(bp, phy,
  8900. MDIO_PMA_DEVAD,
  8901. MDIO_PMA_REG_8481_LED2_MASK,
  8902. 0x0);
  8903. bnx2x_cl45_write(bp, phy,
  8904. MDIO_PMA_DEVAD,
  8905. MDIO_PMA_REG_8481_LED3_MASK,
  8906. 0x0);
  8907. bnx2x_cl45_write(bp, phy,
  8908. MDIO_PMA_DEVAD,
  8909. MDIO_PMA_REG_8481_LED5_MASK,
  8910. 0x20);
  8911. } else {
  8912. bnx2x_cl45_write(bp, phy,
  8913. MDIO_PMA_DEVAD,
  8914. MDIO_PMA_REG_8481_LED1_MASK,
  8915. 0x0);
  8916. }
  8917. break;
  8918. case LED_MODE_ON:
  8919. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8920. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8921. SHARED_HW_CFG_LED_EXTPHY1) {
  8922. /* Set control reg */
  8923. bnx2x_cl45_read(bp, phy,
  8924. MDIO_PMA_DEVAD,
  8925. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8926. &val);
  8927. val &= 0x8000;
  8928. val |= 0x2492;
  8929. bnx2x_cl45_write(bp, phy,
  8930. MDIO_PMA_DEVAD,
  8931. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8932. val);
  8933. /* Set LED masks */
  8934. bnx2x_cl45_write(bp, phy,
  8935. MDIO_PMA_DEVAD,
  8936. MDIO_PMA_REG_8481_LED1_MASK,
  8937. 0x0);
  8938. bnx2x_cl45_write(bp, phy,
  8939. MDIO_PMA_DEVAD,
  8940. MDIO_PMA_REG_8481_LED2_MASK,
  8941. 0x20);
  8942. bnx2x_cl45_write(bp, phy,
  8943. MDIO_PMA_DEVAD,
  8944. MDIO_PMA_REG_8481_LED3_MASK,
  8945. 0x20);
  8946. bnx2x_cl45_write(bp, phy,
  8947. MDIO_PMA_DEVAD,
  8948. MDIO_PMA_REG_8481_LED5_MASK,
  8949. 0x0);
  8950. } else {
  8951. bnx2x_cl45_write(bp, phy,
  8952. MDIO_PMA_DEVAD,
  8953. MDIO_PMA_REG_8481_LED1_MASK,
  8954. 0x20);
  8955. }
  8956. break;
  8957. case LED_MODE_OPER:
  8958. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8959. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8960. SHARED_HW_CFG_LED_EXTPHY1) {
  8961. /* Set control reg */
  8962. bnx2x_cl45_read(bp, phy,
  8963. MDIO_PMA_DEVAD,
  8964. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8965. &val);
  8966. if (!((val &
  8967. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8968. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8969. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8970. bnx2x_cl45_write(bp, phy,
  8971. MDIO_PMA_DEVAD,
  8972. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8973. 0xa492);
  8974. }
  8975. /* Set LED masks */
  8976. bnx2x_cl45_write(bp, phy,
  8977. MDIO_PMA_DEVAD,
  8978. MDIO_PMA_REG_8481_LED1_MASK,
  8979. 0x10);
  8980. bnx2x_cl45_write(bp, phy,
  8981. MDIO_PMA_DEVAD,
  8982. MDIO_PMA_REG_8481_LED2_MASK,
  8983. 0x80);
  8984. bnx2x_cl45_write(bp, phy,
  8985. MDIO_PMA_DEVAD,
  8986. MDIO_PMA_REG_8481_LED3_MASK,
  8987. 0x98);
  8988. bnx2x_cl45_write(bp, phy,
  8989. MDIO_PMA_DEVAD,
  8990. MDIO_PMA_REG_8481_LED5_MASK,
  8991. 0x40);
  8992. } else {
  8993. bnx2x_cl45_write(bp, phy,
  8994. MDIO_PMA_DEVAD,
  8995. MDIO_PMA_REG_8481_LED1_MASK,
  8996. 0x80);
  8997. /* Tell LED3 to blink on source */
  8998. bnx2x_cl45_read(bp, phy,
  8999. MDIO_PMA_DEVAD,
  9000. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9001. &val);
  9002. val &= ~(7<<6);
  9003. val |= (1<<6); /* A83B[8:6]= 1 */
  9004. bnx2x_cl45_write(bp, phy,
  9005. MDIO_PMA_DEVAD,
  9006. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9007. val);
  9008. }
  9009. break;
  9010. }
  9011. /*
  9012. * This is a workaround for E3+84833 until autoneg
  9013. * restart is fixed in f/w
  9014. */
  9015. if (CHIP_IS_E3(bp)) {
  9016. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9017. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9018. }
  9019. }
  9020. /******************************************************************/
  9021. /* 54618SE PHY SECTION */
  9022. /******************************************************************/
  9023. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9024. struct link_params *params,
  9025. struct link_vars *vars)
  9026. {
  9027. struct bnx2x *bp = params->bp;
  9028. u8 port;
  9029. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9030. u32 cfg_pin;
  9031. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9032. usleep_range(1000, 1000);
  9033. /*
  9034. * This works with E3 only, no need to check the chip
  9035. * before determining the port.
  9036. */
  9037. port = params->port;
  9038. cfg_pin = (REG_RD(bp, params->shmem_base +
  9039. offsetof(struct shmem_region,
  9040. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9041. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9042. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9043. /* Drive pin high to bring the GPHY out of reset. */
  9044. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9045. /* wait for GPHY to reset */
  9046. msleep(50);
  9047. /* reset phy */
  9048. bnx2x_cl22_write(bp, phy,
  9049. MDIO_PMA_REG_CTRL, 0x8000);
  9050. bnx2x_wait_reset_complete(bp, phy, params);
  9051. /*wait for GPHY to reset */
  9052. msleep(50);
  9053. /* Configure LED4: set to INTR (0x6). */
  9054. /* Accessing shadow register 0xe. */
  9055. bnx2x_cl22_write(bp, phy,
  9056. MDIO_REG_GPHY_SHADOW,
  9057. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9058. bnx2x_cl22_read(bp, phy,
  9059. MDIO_REG_GPHY_SHADOW,
  9060. &temp);
  9061. temp &= ~(0xf << 4);
  9062. temp |= (0x6 << 4);
  9063. bnx2x_cl22_write(bp, phy,
  9064. MDIO_REG_GPHY_SHADOW,
  9065. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9066. /* Configure INTR based on link status change. */
  9067. bnx2x_cl22_write(bp, phy,
  9068. MDIO_REG_INTR_MASK,
  9069. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9070. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9071. bnx2x_cl22_write(bp, phy,
  9072. MDIO_REG_GPHY_SHADOW,
  9073. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9074. bnx2x_cl22_read(bp, phy,
  9075. MDIO_REG_GPHY_SHADOW,
  9076. &temp);
  9077. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9078. bnx2x_cl22_write(bp, phy,
  9079. MDIO_REG_GPHY_SHADOW,
  9080. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9081. /* Set up fc */
  9082. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9083. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9084. fc_val = 0;
  9085. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9086. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9087. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9088. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9089. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9090. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9091. /* read all advertisement */
  9092. bnx2x_cl22_read(bp, phy,
  9093. 0x09,
  9094. &an_1000_val);
  9095. bnx2x_cl22_read(bp, phy,
  9096. 0x04,
  9097. &an_10_100_val);
  9098. bnx2x_cl22_read(bp, phy,
  9099. MDIO_PMA_REG_CTRL,
  9100. &autoneg_val);
  9101. /* Disable forced speed */
  9102. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9103. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9104. (1<<11));
  9105. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9106. (phy->speed_cap_mask &
  9107. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9108. (phy->req_line_speed == SPEED_1000)) {
  9109. an_1000_val |= (1<<8);
  9110. autoneg_val |= (1<<9 | 1<<12);
  9111. if (phy->req_duplex == DUPLEX_FULL)
  9112. an_1000_val |= (1<<9);
  9113. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9114. } else
  9115. an_1000_val &= ~((1<<8) | (1<<9));
  9116. bnx2x_cl22_write(bp, phy,
  9117. 0x09,
  9118. an_1000_val);
  9119. bnx2x_cl22_read(bp, phy,
  9120. 0x09,
  9121. &an_1000_val);
  9122. /* set 100 speed advertisement */
  9123. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9124. (phy->speed_cap_mask &
  9125. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9126. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9127. an_10_100_val |= (1<<7);
  9128. /* Enable autoneg and restart autoneg for legacy speeds */
  9129. autoneg_val |= (1<<9 | 1<<12);
  9130. if (phy->req_duplex == DUPLEX_FULL)
  9131. an_10_100_val |= (1<<8);
  9132. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9133. }
  9134. /* set 10 speed advertisement */
  9135. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9136. (phy->speed_cap_mask &
  9137. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9138. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9139. an_10_100_val |= (1<<5);
  9140. autoneg_val |= (1<<9 | 1<<12);
  9141. if (phy->req_duplex == DUPLEX_FULL)
  9142. an_10_100_val |= (1<<6);
  9143. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9144. }
  9145. /* Only 10/100 are allowed to work in FORCE mode */
  9146. if (phy->req_line_speed == SPEED_100) {
  9147. autoneg_val |= (1<<13);
  9148. /* Enabled AUTO-MDIX when autoneg is disabled */
  9149. bnx2x_cl22_write(bp, phy,
  9150. 0x18,
  9151. (1<<15 | 1<<9 | 7<<0));
  9152. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9153. }
  9154. if (phy->req_line_speed == SPEED_10) {
  9155. /* Enabled AUTO-MDIX when autoneg is disabled */
  9156. bnx2x_cl22_write(bp, phy,
  9157. 0x18,
  9158. (1<<15 | 1<<9 | 7<<0));
  9159. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9160. }
  9161. /* Check if we should turn on Auto-GrEEEn */
  9162. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9163. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9164. if (params->feature_config_flags &
  9165. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9166. temp = 6;
  9167. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9168. } else {
  9169. temp = 0;
  9170. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9171. }
  9172. bnx2x_cl22_write(bp, phy,
  9173. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9174. bnx2x_cl22_write(bp, phy,
  9175. MDIO_REG_GPHY_CL45_DATA_REG,
  9176. MDIO_REG_GPHY_EEE_ADV);
  9177. bnx2x_cl22_write(bp, phy,
  9178. MDIO_REG_GPHY_CL45_ADDR_REG,
  9179. (0x1 << 14) | MDIO_AN_DEVAD);
  9180. bnx2x_cl22_write(bp, phy,
  9181. MDIO_REG_GPHY_CL45_DATA_REG,
  9182. temp);
  9183. }
  9184. bnx2x_cl22_write(bp, phy,
  9185. 0x04,
  9186. an_10_100_val | fc_val);
  9187. if (phy->req_duplex == DUPLEX_FULL)
  9188. autoneg_val |= (1<<8);
  9189. bnx2x_cl22_write(bp, phy,
  9190. MDIO_PMA_REG_CTRL, autoneg_val);
  9191. return 0;
  9192. }
  9193. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9194. struct link_params *params, u8 mode)
  9195. {
  9196. struct bnx2x *bp = params->bp;
  9197. u16 temp;
  9198. bnx2x_cl22_write(bp, phy,
  9199. MDIO_REG_GPHY_SHADOW,
  9200. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9201. bnx2x_cl22_read(bp, phy,
  9202. MDIO_REG_GPHY_SHADOW,
  9203. &temp);
  9204. temp &= 0xff00;
  9205. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9206. switch (mode) {
  9207. case LED_MODE_FRONT_PANEL_OFF:
  9208. case LED_MODE_OFF:
  9209. temp |= 0x00ee;
  9210. break;
  9211. case LED_MODE_OPER:
  9212. temp |= 0x0001;
  9213. break;
  9214. case LED_MODE_ON:
  9215. temp |= 0x00ff;
  9216. break;
  9217. default:
  9218. break;
  9219. }
  9220. bnx2x_cl22_write(bp, phy,
  9221. MDIO_REG_GPHY_SHADOW,
  9222. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9223. return;
  9224. }
  9225. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9226. struct link_params *params)
  9227. {
  9228. struct bnx2x *bp = params->bp;
  9229. u32 cfg_pin;
  9230. u8 port;
  9231. /*
  9232. * In case of no EPIO routed to reset the GPHY, put it
  9233. * in low power mode.
  9234. */
  9235. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9236. /*
  9237. * This works with E3 only, no need to check the chip
  9238. * before determining the port.
  9239. */
  9240. port = params->port;
  9241. cfg_pin = (REG_RD(bp, params->shmem_base +
  9242. offsetof(struct shmem_region,
  9243. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9244. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9245. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9246. /* Drive pin low to put GPHY in reset. */
  9247. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9248. }
  9249. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9250. struct link_params *params,
  9251. struct link_vars *vars)
  9252. {
  9253. struct bnx2x *bp = params->bp;
  9254. u16 val;
  9255. u8 link_up = 0;
  9256. u16 legacy_status, legacy_speed;
  9257. /* Get speed operation status */
  9258. bnx2x_cl22_read(bp, phy,
  9259. 0x19,
  9260. &legacy_status);
  9261. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9262. /* Read status to clear the PHY interrupt. */
  9263. bnx2x_cl22_read(bp, phy,
  9264. MDIO_REG_INTR_STATUS,
  9265. &val);
  9266. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9267. if (link_up) {
  9268. legacy_speed = (legacy_status & (7<<8));
  9269. if (legacy_speed == (7<<8)) {
  9270. vars->line_speed = SPEED_1000;
  9271. vars->duplex = DUPLEX_FULL;
  9272. } else if (legacy_speed == (6<<8)) {
  9273. vars->line_speed = SPEED_1000;
  9274. vars->duplex = DUPLEX_HALF;
  9275. } else if (legacy_speed == (5<<8)) {
  9276. vars->line_speed = SPEED_100;
  9277. vars->duplex = DUPLEX_FULL;
  9278. }
  9279. /* Omitting 100Base-T4 for now */
  9280. else if (legacy_speed == (3<<8)) {
  9281. vars->line_speed = SPEED_100;
  9282. vars->duplex = DUPLEX_HALF;
  9283. } else if (legacy_speed == (2<<8)) {
  9284. vars->line_speed = SPEED_10;
  9285. vars->duplex = DUPLEX_FULL;
  9286. } else if (legacy_speed == (1<<8)) {
  9287. vars->line_speed = SPEED_10;
  9288. vars->duplex = DUPLEX_HALF;
  9289. } else /* Should not happen */
  9290. vars->line_speed = 0;
  9291. DP(NETIF_MSG_LINK,
  9292. "Link is up in %dMbps, is_duplex_full= %d\n",
  9293. vars->line_speed,
  9294. (vars->duplex == DUPLEX_FULL));
  9295. /* Check legacy speed AN resolution */
  9296. bnx2x_cl22_read(bp, phy,
  9297. 0x01,
  9298. &val);
  9299. if (val & (1<<5))
  9300. vars->link_status |=
  9301. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9302. bnx2x_cl22_read(bp, phy,
  9303. 0x06,
  9304. &val);
  9305. if ((val & (1<<0)) == 0)
  9306. vars->link_status |=
  9307. LINK_STATUS_PARALLEL_DETECTION_USED;
  9308. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9309. vars->line_speed);
  9310. /* Report whether EEE is resolved. */
  9311. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9312. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9313. if (vars->link_status &
  9314. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9315. val = 0;
  9316. else {
  9317. bnx2x_cl22_write(bp, phy,
  9318. MDIO_REG_GPHY_CL45_ADDR_REG,
  9319. MDIO_AN_DEVAD);
  9320. bnx2x_cl22_write(bp, phy,
  9321. MDIO_REG_GPHY_CL45_DATA_REG,
  9322. MDIO_REG_GPHY_EEE_RESOLVED);
  9323. bnx2x_cl22_write(bp, phy,
  9324. MDIO_REG_GPHY_CL45_ADDR_REG,
  9325. (0x1 << 14) | MDIO_AN_DEVAD);
  9326. bnx2x_cl22_read(bp, phy,
  9327. MDIO_REG_GPHY_CL45_DATA_REG,
  9328. &val);
  9329. }
  9330. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9331. }
  9332. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9333. }
  9334. return link_up;
  9335. }
  9336. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9337. struct link_params *params)
  9338. {
  9339. struct bnx2x *bp = params->bp;
  9340. u16 val;
  9341. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9342. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9343. /* Enable master/slave manual mmode and set to master */
  9344. /* mii write 9 [bits set 11 12] */
  9345. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9346. /* forced 1G and disable autoneg */
  9347. /* set val [mii read 0] */
  9348. /* set val [expr $val & [bits clear 6 12 13]] */
  9349. /* set val [expr $val | [bits set 6 8]] */
  9350. /* mii write 0 $val */
  9351. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9352. val &= ~((1<<6) | (1<<12) | (1<<13));
  9353. val |= (1<<6) | (1<<8);
  9354. bnx2x_cl22_write(bp, phy, 0x00, val);
  9355. /* Set external loopback and Tx using 6dB coding */
  9356. /* mii write 0x18 7 */
  9357. /* set val [mii read 0x18] */
  9358. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9359. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9360. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9361. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9362. /* This register opens the gate for the UMAC despite its name */
  9363. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9364. /*
  9365. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9366. * length used by the MAC receive logic to check frames.
  9367. */
  9368. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9369. }
  9370. /******************************************************************/
  9371. /* SFX7101 PHY SECTION */
  9372. /******************************************************************/
  9373. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9374. struct link_params *params)
  9375. {
  9376. struct bnx2x *bp = params->bp;
  9377. /* SFX7101_XGXS_TEST1 */
  9378. bnx2x_cl45_write(bp, phy,
  9379. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9380. }
  9381. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9382. struct link_params *params,
  9383. struct link_vars *vars)
  9384. {
  9385. u16 fw_ver1, fw_ver2, val;
  9386. struct bnx2x *bp = params->bp;
  9387. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9388. /* Restore normal power mode*/
  9389. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9390. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9391. /* HW reset */
  9392. bnx2x_ext_phy_hw_reset(bp, params->port);
  9393. bnx2x_wait_reset_complete(bp, phy, params);
  9394. bnx2x_cl45_write(bp, phy,
  9395. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9396. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9397. bnx2x_cl45_write(bp, phy,
  9398. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9399. bnx2x_ext_phy_set_pause(params, phy, vars);
  9400. /* Restart autoneg */
  9401. bnx2x_cl45_read(bp, phy,
  9402. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9403. val |= 0x200;
  9404. bnx2x_cl45_write(bp, phy,
  9405. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9406. /* Save spirom version */
  9407. bnx2x_cl45_read(bp, phy,
  9408. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9409. bnx2x_cl45_read(bp, phy,
  9410. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9411. bnx2x_save_spirom_version(bp, params->port,
  9412. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9413. return 0;
  9414. }
  9415. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9416. struct link_params *params,
  9417. struct link_vars *vars)
  9418. {
  9419. struct bnx2x *bp = params->bp;
  9420. u8 link_up;
  9421. u16 val1, val2;
  9422. bnx2x_cl45_read(bp, phy,
  9423. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9424. bnx2x_cl45_read(bp, phy,
  9425. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9426. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9427. val2, val1);
  9428. bnx2x_cl45_read(bp, phy,
  9429. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9430. bnx2x_cl45_read(bp, phy,
  9431. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9432. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9433. val2, val1);
  9434. link_up = ((val1 & 4) == 4);
  9435. /* if link is up print the AN outcome of the SFX7101 PHY */
  9436. if (link_up) {
  9437. bnx2x_cl45_read(bp, phy,
  9438. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9439. &val2);
  9440. vars->line_speed = SPEED_10000;
  9441. vars->duplex = DUPLEX_FULL;
  9442. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9443. val2, (val2 & (1<<14)));
  9444. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9445. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9446. }
  9447. return link_up;
  9448. }
  9449. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9450. {
  9451. if (*len < 5)
  9452. return -EINVAL;
  9453. str[0] = (spirom_ver & 0xFF);
  9454. str[1] = (spirom_ver & 0xFF00) >> 8;
  9455. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9456. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9457. str[4] = '\0';
  9458. *len -= 5;
  9459. return 0;
  9460. }
  9461. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9462. {
  9463. u16 val, cnt;
  9464. bnx2x_cl45_read(bp, phy,
  9465. MDIO_PMA_DEVAD,
  9466. MDIO_PMA_REG_7101_RESET, &val);
  9467. for (cnt = 0; cnt < 10; cnt++) {
  9468. msleep(50);
  9469. /* Writes a self-clearing reset */
  9470. bnx2x_cl45_write(bp, phy,
  9471. MDIO_PMA_DEVAD,
  9472. MDIO_PMA_REG_7101_RESET,
  9473. (val | (1<<15)));
  9474. /* Wait for clear */
  9475. bnx2x_cl45_read(bp, phy,
  9476. MDIO_PMA_DEVAD,
  9477. MDIO_PMA_REG_7101_RESET, &val);
  9478. if ((val & (1<<15)) == 0)
  9479. break;
  9480. }
  9481. }
  9482. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9483. struct link_params *params) {
  9484. /* Low power mode is controlled by GPIO 2 */
  9485. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9486. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9487. /* The PHY reset is controlled by GPIO 1 */
  9488. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9489. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9490. }
  9491. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9492. struct link_params *params, u8 mode)
  9493. {
  9494. u16 val = 0;
  9495. struct bnx2x *bp = params->bp;
  9496. switch (mode) {
  9497. case LED_MODE_FRONT_PANEL_OFF:
  9498. case LED_MODE_OFF:
  9499. val = 2;
  9500. break;
  9501. case LED_MODE_ON:
  9502. val = 1;
  9503. break;
  9504. case LED_MODE_OPER:
  9505. val = 0;
  9506. break;
  9507. }
  9508. bnx2x_cl45_write(bp, phy,
  9509. MDIO_PMA_DEVAD,
  9510. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9511. val);
  9512. }
  9513. /******************************************************************/
  9514. /* STATIC PHY DECLARATION */
  9515. /******************************************************************/
  9516. static struct bnx2x_phy phy_null = {
  9517. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9518. .addr = 0,
  9519. .def_md_devad = 0,
  9520. .flags = FLAGS_INIT_XGXS_FIRST,
  9521. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9522. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9523. .mdio_ctrl = 0,
  9524. .supported = 0,
  9525. .media_type = ETH_PHY_NOT_PRESENT,
  9526. .ver_addr = 0,
  9527. .req_flow_ctrl = 0,
  9528. .req_line_speed = 0,
  9529. .speed_cap_mask = 0,
  9530. .req_duplex = 0,
  9531. .rsrv = 0,
  9532. .config_init = (config_init_t)NULL,
  9533. .read_status = (read_status_t)NULL,
  9534. .link_reset = (link_reset_t)NULL,
  9535. .config_loopback = (config_loopback_t)NULL,
  9536. .format_fw_ver = (format_fw_ver_t)NULL,
  9537. .hw_reset = (hw_reset_t)NULL,
  9538. .set_link_led = (set_link_led_t)NULL,
  9539. .phy_specific_func = (phy_specific_func_t)NULL
  9540. };
  9541. static struct bnx2x_phy phy_serdes = {
  9542. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9543. .addr = 0xff,
  9544. .def_md_devad = 0,
  9545. .flags = 0,
  9546. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9547. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9548. .mdio_ctrl = 0,
  9549. .supported = (SUPPORTED_10baseT_Half |
  9550. SUPPORTED_10baseT_Full |
  9551. SUPPORTED_100baseT_Half |
  9552. SUPPORTED_100baseT_Full |
  9553. SUPPORTED_1000baseT_Full |
  9554. SUPPORTED_2500baseX_Full |
  9555. SUPPORTED_TP |
  9556. SUPPORTED_Autoneg |
  9557. SUPPORTED_Pause |
  9558. SUPPORTED_Asym_Pause),
  9559. .media_type = ETH_PHY_BASE_T,
  9560. .ver_addr = 0,
  9561. .req_flow_ctrl = 0,
  9562. .req_line_speed = 0,
  9563. .speed_cap_mask = 0,
  9564. .req_duplex = 0,
  9565. .rsrv = 0,
  9566. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9567. .read_status = (read_status_t)bnx2x_link_settings_status,
  9568. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9569. .config_loopback = (config_loopback_t)NULL,
  9570. .format_fw_ver = (format_fw_ver_t)NULL,
  9571. .hw_reset = (hw_reset_t)NULL,
  9572. .set_link_led = (set_link_led_t)NULL,
  9573. .phy_specific_func = (phy_specific_func_t)NULL
  9574. };
  9575. static struct bnx2x_phy phy_xgxs = {
  9576. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9577. .addr = 0xff,
  9578. .def_md_devad = 0,
  9579. .flags = 0,
  9580. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9581. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9582. .mdio_ctrl = 0,
  9583. .supported = (SUPPORTED_10baseT_Half |
  9584. SUPPORTED_10baseT_Full |
  9585. SUPPORTED_100baseT_Half |
  9586. SUPPORTED_100baseT_Full |
  9587. SUPPORTED_1000baseT_Full |
  9588. SUPPORTED_2500baseX_Full |
  9589. SUPPORTED_10000baseT_Full |
  9590. SUPPORTED_FIBRE |
  9591. SUPPORTED_Autoneg |
  9592. SUPPORTED_Pause |
  9593. SUPPORTED_Asym_Pause),
  9594. .media_type = ETH_PHY_CX4,
  9595. .ver_addr = 0,
  9596. .req_flow_ctrl = 0,
  9597. .req_line_speed = 0,
  9598. .speed_cap_mask = 0,
  9599. .req_duplex = 0,
  9600. .rsrv = 0,
  9601. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9602. .read_status = (read_status_t)bnx2x_link_settings_status,
  9603. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9604. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9605. .format_fw_ver = (format_fw_ver_t)NULL,
  9606. .hw_reset = (hw_reset_t)NULL,
  9607. .set_link_led = (set_link_led_t)NULL,
  9608. .phy_specific_func = (phy_specific_func_t)NULL
  9609. };
  9610. static struct bnx2x_phy phy_warpcore = {
  9611. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9612. .addr = 0xff,
  9613. .def_md_devad = 0,
  9614. .flags = FLAGS_HW_LOCK_REQUIRED,
  9615. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9616. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9617. .mdio_ctrl = 0,
  9618. .supported = (SUPPORTED_10baseT_Half |
  9619. SUPPORTED_10baseT_Full |
  9620. SUPPORTED_100baseT_Half |
  9621. SUPPORTED_100baseT_Full |
  9622. SUPPORTED_1000baseT_Full |
  9623. SUPPORTED_10000baseT_Full |
  9624. SUPPORTED_20000baseKR2_Full |
  9625. SUPPORTED_20000baseMLD2_Full |
  9626. SUPPORTED_FIBRE |
  9627. SUPPORTED_Autoneg |
  9628. SUPPORTED_Pause |
  9629. SUPPORTED_Asym_Pause),
  9630. .media_type = ETH_PHY_UNSPECIFIED,
  9631. .ver_addr = 0,
  9632. .req_flow_ctrl = 0,
  9633. .req_line_speed = 0,
  9634. .speed_cap_mask = 0,
  9635. /* req_duplex = */0,
  9636. /* rsrv = */0,
  9637. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9638. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9639. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9640. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9641. .format_fw_ver = (format_fw_ver_t)NULL,
  9642. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9643. .set_link_led = (set_link_led_t)NULL,
  9644. .phy_specific_func = (phy_specific_func_t)NULL
  9645. };
  9646. static struct bnx2x_phy phy_7101 = {
  9647. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9648. .addr = 0xff,
  9649. .def_md_devad = 0,
  9650. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9651. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9652. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9653. .mdio_ctrl = 0,
  9654. .supported = (SUPPORTED_10000baseT_Full |
  9655. SUPPORTED_TP |
  9656. SUPPORTED_Autoneg |
  9657. SUPPORTED_Pause |
  9658. SUPPORTED_Asym_Pause),
  9659. .media_type = ETH_PHY_BASE_T,
  9660. .ver_addr = 0,
  9661. .req_flow_ctrl = 0,
  9662. .req_line_speed = 0,
  9663. .speed_cap_mask = 0,
  9664. .req_duplex = 0,
  9665. .rsrv = 0,
  9666. .config_init = (config_init_t)bnx2x_7101_config_init,
  9667. .read_status = (read_status_t)bnx2x_7101_read_status,
  9668. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9669. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9670. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9671. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9672. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9673. .phy_specific_func = (phy_specific_func_t)NULL
  9674. };
  9675. static struct bnx2x_phy phy_8073 = {
  9676. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9677. .addr = 0xff,
  9678. .def_md_devad = 0,
  9679. .flags = FLAGS_HW_LOCK_REQUIRED,
  9680. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9681. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9682. .mdio_ctrl = 0,
  9683. .supported = (SUPPORTED_10000baseT_Full |
  9684. SUPPORTED_2500baseX_Full |
  9685. SUPPORTED_1000baseT_Full |
  9686. SUPPORTED_FIBRE |
  9687. SUPPORTED_Autoneg |
  9688. SUPPORTED_Pause |
  9689. SUPPORTED_Asym_Pause),
  9690. .media_type = ETH_PHY_KR,
  9691. .ver_addr = 0,
  9692. .req_flow_ctrl = 0,
  9693. .req_line_speed = 0,
  9694. .speed_cap_mask = 0,
  9695. .req_duplex = 0,
  9696. .rsrv = 0,
  9697. .config_init = (config_init_t)bnx2x_8073_config_init,
  9698. .read_status = (read_status_t)bnx2x_8073_read_status,
  9699. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9700. .config_loopback = (config_loopback_t)NULL,
  9701. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9702. .hw_reset = (hw_reset_t)NULL,
  9703. .set_link_led = (set_link_led_t)NULL,
  9704. .phy_specific_func = (phy_specific_func_t)NULL
  9705. };
  9706. static struct bnx2x_phy phy_8705 = {
  9707. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9708. .addr = 0xff,
  9709. .def_md_devad = 0,
  9710. .flags = FLAGS_INIT_XGXS_FIRST,
  9711. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9712. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9713. .mdio_ctrl = 0,
  9714. .supported = (SUPPORTED_10000baseT_Full |
  9715. SUPPORTED_FIBRE |
  9716. SUPPORTED_Pause |
  9717. SUPPORTED_Asym_Pause),
  9718. .media_type = ETH_PHY_XFP_FIBER,
  9719. .ver_addr = 0,
  9720. .req_flow_ctrl = 0,
  9721. .req_line_speed = 0,
  9722. .speed_cap_mask = 0,
  9723. .req_duplex = 0,
  9724. .rsrv = 0,
  9725. .config_init = (config_init_t)bnx2x_8705_config_init,
  9726. .read_status = (read_status_t)bnx2x_8705_read_status,
  9727. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9728. .config_loopback = (config_loopback_t)NULL,
  9729. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9730. .hw_reset = (hw_reset_t)NULL,
  9731. .set_link_led = (set_link_led_t)NULL,
  9732. .phy_specific_func = (phy_specific_func_t)NULL
  9733. };
  9734. static struct bnx2x_phy phy_8706 = {
  9735. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9736. .addr = 0xff,
  9737. .def_md_devad = 0,
  9738. .flags = FLAGS_INIT_XGXS_FIRST,
  9739. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9740. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9741. .mdio_ctrl = 0,
  9742. .supported = (SUPPORTED_10000baseT_Full |
  9743. SUPPORTED_1000baseT_Full |
  9744. SUPPORTED_FIBRE |
  9745. SUPPORTED_Pause |
  9746. SUPPORTED_Asym_Pause),
  9747. .media_type = ETH_PHY_SFP_FIBER,
  9748. .ver_addr = 0,
  9749. .req_flow_ctrl = 0,
  9750. .req_line_speed = 0,
  9751. .speed_cap_mask = 0,
  9752. .req_duplex = 0,
  9753. .rsrv = 0,
  9754. .config_init = (config_init_t)bnx2x_8706_config_init,
  9755. .read_status = (read_status_t)bnx2x_8706_read_status,
  9756. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9757. .config_loopback = (config_loopback_t)NULL,
  9758. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9759. .hw_reset = (hw_reset_t)NULL,
  9760. .set_link_led = (set_link_led_t)NULL,
  9761. .phy_specific_func = (phy_specific_func_t)NULL
  9762. };
  9763. static struct bnx2x_phy phy_8726 = {
  9764. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9765. .addr = 0xff,
  9766. .def_md_devad = 0,
  9767. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9768. FLAGS_INIT_XGXS_FIRST),
  9769. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9770. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9771. .mdio_ctrl = 0,
  9772. .supported = (SUPPORTED_10000baseT_Full |
  9773. SUPPORTED_1000baseT_Full |
  9774. SUPPORTED_Autoneg |
  9775. SUPPORTED_FIBRE |
  9776. SUPPORTED_Pause |
  9777. SUPPORTED_Asym_Pause),
  9778. .media_type = ETH_PHY_NOT_PRESENT,
  9779. .ver_addr = 0,
  9780. .req_flow_ctrl = 0,
  9781. .req_line_speed = 0,
  9782. .speed_cap_mask = 0,
  9783. .req_duplex = 0,
  9784. .rsrv = 0,
  9785. .config_init = (config_init_t)bnx2x_8726_config_init,
  9786. .read_status = (read_status_t)bnx2x_8726_read_status,
  9787. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9788. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9789. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9790. .hw_reset = (hw_reset_t)NULL,
  9791. .set_link_led = (set_link_led_t)NULL,
  9792. .phy_specific_func = (phy_specific_func_t)NULL
  9793. };
  9794. static struct bnx2x_phy phy_8727 = {
  9795. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9796. .addr = 0xff,
  9797. .def_md_devad = 0,
  9798. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9799. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9800. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9801. .mdio_ctrl = 0,
  9802. .supported = (SUPPORTED_10000baseT_Full |
  9803. SUPPORTED_1000baseT_Full |
  9804. SUPPORTED_FIBRE |
  9805. SUPPORTED_Pause |
  9806. SUPPORTED_Asym_Pause),
  9807. .media_type = ETH_PHY_NOT_PRESENT,
  9808. .ver_addr = 0,
  9809. .req_flow_ctrl = 0,
  9810. .req_line_speed = 0,
  9811. .speed_cap_mask = 0,
  9812. .req_duplex = 0,
  9813. .rsrv = 0,
  9814. .config_init = (config_init_t)bnx2x_8727_config_init,
  9815. .read_status = (read_status_t)bnx2x_8727_read_status,
  9816. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9817. .config_loopback = (config_loopback_t)NULL,
  9818. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9819. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9820. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9821. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9822. };
  9823. static struct bnx2x_phy phy_8481 = {
  9824. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9825. .addr = 0xff,
  9826. .def_md_devad = 0,
  9827. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9828. FLAGS_REARM_LATCH_SIGNAL,
  9829. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9830. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9831. .mdio_ctrl = 0,
  9832. .supported = (SUPPORTED_10baseT_Half |
  9833. SUPPORTED_10baseT_Full |
  9834. SUPPORTED_100baseT_Half |
  9835. SUPPORTED_100baseT_Full |
  9836. SUPPORTED_1000baseT_Full |
  9837. SUPPORTED_10000baseT_Full |
  9838. SUPPORTED_TP |
  9839. SUPPORTED_Autoneg |
  9840. SUPPORTED_Pause |
  9841. SUPPORTED_Asym_Pause),
  9842. .media_type = ETH_PHY_BASE_T,
  9843. .ver_addr = 0,
  9844. .req_flow_ctrl = 0,
  9845. .req_line_speed = 0,
  9846. .speed_cap_mask = 0,
  9847. .req_duplex = 0,
  9848. .rsrv = 0,
  9849. .config_init = (config_init_t)bnx2x_8481_config_init,
  9850. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9851. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9852. .config_loopback = (config_loopback_t)NULL,
  9853. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9854. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9855. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9856. .phy_specific_func = (phy_specific_func_t)NULL
  9857. };
  9858. static struct bnx2x_phy phy_84823 = {
  9859. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9860. .addr = 0xff,
  9861. .def_md_devad = 0,
  9862. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9863. FLAGS_REARM_LATCH_SIGNAL,
  9864. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9865. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9866. .mdio_ctrl = 0,
  9867. .supported = (SUPPORTED_10baseT_Half |
  9868. SUPPORTED_10baseT_Full |
  9869. SUPPORTED_100baseT_Half |
  9870. SUPPORTED_100baseT_Full |
  9871. SUPPORTED_1000baseT_Full |
  9872. SUPPORTED_10000baseT_Full |
  9873. SUPPORTED_TP |
  9874. SUPPORTED_Autoneg |
  9875. SUPPORTED_Pause |
  9876. SUPPORTED_Asym_Pause),
  9877. .media_type = ETH_PHY_BASE_T,
  9878. .ver_addr = 0,
  9879. .req_flow_ctrl = 0,
  9880. .req_line_speed = 0,
  9881. .speed_cap_mask = 0,
  9882. .req_duplex = 0,
  9883. .rsrv = 0,
  9884. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9885. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9886. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9887. .config_loopback = (config_loopback_t)NULL,
  9888. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9889. .hw_reset = (hw_reset_t)NULL,
  9890. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9891. .phy_specific_func = (phy_specific_func_t)NULL
  9892. };
  9893. static struct bnx2x_phy phy_84833 = {
  9894. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9895. .addr = 0xff,
  9896. .def_md_devad = 0,
  9897. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9898. FLAGS_REARM_LATCH_SIGNAL,
  9899. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9900. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9901. .mdio_ctrl = 0,
  9902. .supported = (SUPPORTED_100baseT_Half |
  9903. SUPPORTED_100baseT_Full |
  9904. SUPPORTED_1000baseT_Full |
  9905. SUPPORTED_10000baseT_Full |
  9906. SUPPORTED_TP |
  9907. SUPPORTED_Autoneg |
  9908. SUPPORTED_Pause |
  9909. SUPPORTED_Asym_Pause),
  9910. .media_type = ETH_PHY_BASE_T,
  9911. .ver_addr = 0,
  9912. .req_flow_ctrl = 0,
  9913. .req_line_speed = 0,
  9914. .speed_cap_mask = 0,
  9915. .req_duplex = 0,
  9916. .rsrv = 0,
  9917. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9918. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9919. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9920. .config_loopback = (config_loopback_t)NULL,
  9921. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9922. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9923. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9924. .phy_specific_func = (phy_specific_func_t)NULL
  9925. };
  9926. static struct bnx2x_phy phy_54618se = {
  9927. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9928. .addr = 0xff,
  9929. .def_md_devad = 0,
  9930. .flags = FLAGS_INIT_XGXS_FIRST,
  9931. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9932. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9933. .mdio_ctrl = 0,
  9934. .supported = (SUPPORTED_10baseT_Half |
  9935. SUPPORTED_10baseT_Full |
  9936. SUPPORTED_100baseT_Half |
  9937. SUPPORTED_100baseT_Full |
  9938. SUPPORTED_1000baseT_Full |
  9939. SUPPORTED_TP |
  9940. SUPPORTED_Autoneg |
  9941. SUPPORTED_Pause |
  9942. SUPPORTED_Asym_Pause),
  9943. .media_type = ETH_PHY_BASE_T,
  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_54618se_config_init,
  9951. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9952. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9953. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9954. .format_fw_ver = (format_fw_ver_t)NULL,
  9955. .hw_reset = (hw_reset_t)NULL,
  9956. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  9957. .phy_specific_func = (phy_specific_func_t)NULL
  9958. };
  9959. /*****************************************************************/
  9960. /* */
  9961. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9962. /* */
  9963. /*****************************************************************/
  9964. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9965. struct bnx2x_phy *phy, u8 port,
  9966. u8 phy_index)
  9967. {
  9968. /* Get the 4 lanes xgxs config rx and tx */
  9969. u32 rx = 0, tx = 0, i;
  9970. for (i = 0; i < 2; i++) {
  9971. /*
  9972. * INT_PHY and EXT_PHY1 share the same value location in the
  9973. * shmem. When num_phys is greater than 1, than this value
  9974. * applies only to EXT_PHY1
  9975. */
  9976. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9977. rx = REG_RD(bp, shmem_base +
  9978. offsetof(struct shmem_region,
  9979. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9980. tx = REG_RD(bp, shmem_base +
  9981. offsetof(struct shmem_region,
  9982. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9983. } else {
  9984. rx = REG_RD(bp, shmem_base +
  9985. offsetof(struct shmem_region,
  9986. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9987. tx = REG_RD(bp, shmem_base +
  9988. offsetof(struct shmem_region,
  9989. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9990. }
  9991. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9992. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9993. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9994. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9995. }
  9996. }
  9997. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9998. u8 phy_index, u8 port)
  9999. {
  10000. u32 ext_phy_config = 0;
  10001. switch (phy_index) {
  10002. case EXT_PHY1:
  10003. ext_phy_config = REG_RD(bp, shmem_base +
  10004. offsetof(struct shmem_region,
  10005. dev_info.port_hw_config[port].external_phy_config));
  10006. break;
  10007. case EXT_PHY2:
  10008. ext_phy_config = REG_RD(bp, shmem_base +
  10009. offsetof(struct shmem_region,
  10010. dev_info.port_hw_config[port].external_phy_config2));
  10011. break;
  10012. default:
  10013. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10014. return -EINVAL;
  10015. }
  10016. return ext_phy_config;
  10017. }
  10018. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10019. struct bnx2x_phy *phy)
  10020. {
  10021. u32 phy_addr;
  10022. u32 chip_id;
  10023. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10024. offsetof(struct shmem_region,
  10025. dev_info.port_feature_config[port].link_config)) &
  10026. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10027. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10028. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10029. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10030. if (USES_WARPCORE(bp)) {
  10031. u32 serdes_net_if;
  10032. phy_addr = REG_RD(bp,
  10033. MISC_REG_WC0_CTRL_PHY_ADDR);
  10034. *phy = phy_warpcore;
  10035. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10036. phy->flags |= FLAGS_4_PORT_MODE;
  10037. else
  10038. phy->flags &= ~FLAGS_4_PORT_MODE;
  10039. /* Check Dual mode */
  10040. serdes_net_if = (REG_RD(bp, shmem_base +
  10041. offsetof(struct shmem_region, dev_info.
  10042. port_hw_config[port].default_cfg)) &
  10043. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10044. /*
  10045. * Set the appropriate supported and flags indications per
  10046. * interface type of the chip
  10047. */
  10048. switch (serdes_net_if) {
  10049. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10050. phy->supported &= (SUPPORTED_10baseT_Half |
  10051. SUPPORTED_10baseT_Full |
  10052. SUPPORTED_100baseT_Half |
  10053. SUPPORTED_100baseT_Full |
  10054. SUPPORTED_1000baseT_Full |
  10055. SUPPORTED_FIBRE |
  10056. SUPPORTED_Autoneg |
  10057. SUPPORTED_Pause |
  10058. SUPPORTED_Asym_Pause);
  10059. phy->media_type = ETH_PHY_BASE_T;
  10060. break;
  10061. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10062. phy->media_type = ETH_PHY_XFP_FIBER;
  10063. break;
  10064. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10065. phy->supported &= (SUPPORTED_1000baseT_Full |
  10066. SUPPORTED_10000baseT_Full |
  10067. SUPPORTED_FIBRE |
  10068. SUPPORTED_Pause |
  10069. SUPPORTED_Asym_Pause);
  10070. phy->media_type = ETH_PHY_SFP_FIBER;
  10071. break;
  10072. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10073. phy->media_type = ETH_PHY_KR;
  10074. phy->supported &= (SUPPORTED_1000baseT_Full |
  10075. SUPPORTED_10000baseT_Full |
  10076. SUPPORTED_FIBRE |
  10077. SUPPORTED_Autoneg |
  10078. SUPPORTED_Pause |
  10079. SUPPORTED_Asym_Pause);
  10080. break;
  10081. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10082. phy->media_type = ETH_PHY_KR;
  10083. phy->flags |= FLAGS_WC_DUAL_MODE;
  10084. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10085. SUPPORTED_FIBRE |
  10086. SUPPORTED_Pause |
  10087. SUPPORTED_Asym_Pause);
  10088. break;
  10089. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10090. phy->media_type = ETH_PHY_KR;
  10091. phy->flags |= FLAGS_WC_DUAL_MODE;
  10092. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10093. SUPPORTED_FIBRE |
  10094. SUPPORTED_Pause |
  10095. SUPPORTED_Asym_Pause);
  10096. break;
  10097. default:
  10098. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10099. serdes_net_if);
  10100. break;
  10101. }
  10102. /*
  10103. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10104. * was not set as expected. For B0, ECO will be enabled so there
  10105. * won't be an issue there
  10106. */
  10107. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10108. phy->flags |= FLAGS_MDC_MDIO_WA;
  10109. else
  10110. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10111. } else {
  10112. switch (switch_cfg) {
  10113. case SWITCH_CFG_1G:
  10114. phy_addr = REG_RD(bp,
  10115. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10116. port * 0x10);
  10117. *phy = phy_serdes;
  10118. break;
  10119. case SWITCH_CFG_10G:
  10120. phy_addr = REG_RD(bp,
  10121. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10122. port * 0x18);
  10123. *phy = phy_xgxs;
  10124. break;
  10125. default:
  10126. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10127. return -EINVAL;
  10128. }
  10129. }
  10130. phy->addr = (u8)phy_addr;
  10131. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10132. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10133. port);
  10134. if (CHIP_IS_E2(bp))
  10135. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10136. else
  10137. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10138. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10139. port, phy->addr, phy->mdio_ctrl);
  10140. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10141. return 0;
  10142. }
  10143. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10144. u8 phy_index,
  10145. u32 shmem_base,
  10146. u32 shmem2_base,
  10147. u8 port,
  10148. struct bnx2x_phy *phy)
  10149. {
  10150. u32 ext_phy_config, phy_type, config2;
  10151. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10152. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10153. phy_index, port);
  10154. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10155. /* Select the phy type */
  10156. switch (phy_type) {
  10157. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10158. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10159. *phy = phy_8073;
  10160. break;
  10161. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10162. *phy = phy_8705;
  10163. break;
  10164. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10165. *phy = phy_8706;
  10166. break;
  10167. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10168. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10169. *phy = phy_8726;
  10170. break;
  10171. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10172. /* BCM8727_NOC => BCM8727 no over current */
  10173. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10174. *phy = phy_8727;
  10175. phy->flags |= FLAGS_NOC;
  10176. break;
  10177. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10178. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10179. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10180. *phy = phy_8727;
  10181. break;
  10182. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10183. *phy = phy_8481;
  10184. break;
  10185. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10186. *phy = phy_84823;
  10187. break;
  10188. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10189. *phy = phy_84833;
  10190. break;
  10191. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10192. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10193. *phy = phy_54618se;
  10194. break;
  10195. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10196. *phy = phy_7101;
  10197. break;
  10198. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10199. *phy = phy_null;
  10200. return -EINVAL;
  10201. default:
  10202. *phy = phy_null;
  10203. /* In case external PHY wasn't found */
  10204. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10205. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10206. return -EINVAL;
  10207. return 0;
  10208. }
  10209. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10210. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10211. /*
  10212. * The shmem address of the phy version is located on different
  10213. * structures. In case this structure is too old, do not set
  10214. * the address
  10215. */
  10216. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10217. dev_info.shared_hw_config.config2));
  10218. if (phy_index == EXT_PHY1) {
  10219. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10220. port_mb[port].ext_phy_fw_version);
  10221. /* Check specific mdc mdio settings */
  10222. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10223. mdc_mdio_access = config2 &
  10224. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10225. } else {
  10226. u32 size = REG_RD(bp, shmem2_base);
  10227. if (size >
  10228. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10229. phy->ver_addr = shmem2_base +
  10230. offsetof(struct shmem2_region,
  10231. ext_phy_fw_version2[port]);
  10232. }
  10233. /* Check specific mdc mdio settings */
  10234. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10235. mdc_mdio_access = (config2 &
  10236. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10237. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10238. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10239. }
  10240. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10241. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10242. (phy->ver_addr)) {
  10243. /*
  10244. * Remove 100Mb link supported for BCM84833 when phy fw
  10245. * version lower than or equal to 1.39
  10246. */
  10247. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10248. if (((raw_ver & 0x7F) <= 39) &&
  10249. (((raw_ver & 0xF80) >> 7) <= 1))
  10250. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10251. SUPPORTED_100baseT_Full);
  10252. }
  10253. /*
  10254. * In case mdc/mdio_access of the external phy is different than the
  10255. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10256. * to prevent one port interfere with another port's CL45 operations.
  10257. */
  10258. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10259. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10260. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10261. phy_type, port, phy_index);
  10262. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10263. phy->addr, phy->mdio_ctrl);
  10264. return 0;
  10265. }
  10266. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10267. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10268. {
  10269. int status = 0;
  10270. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10271. if (phy_index == INT_PHY)
  10272. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10273. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10274. port, phy);
  10275. return status;
  10276. }
  10277. static void bnx2x_phy_def_cfg(struct link_params *params,
  10278. struct bnx2x_phy *phy,
  10279. u8 phy_index)
  10280. {
  10281. struct bnx2x *bp = params->bp;
  10282. u32 link_config;
  10283. /* Populate the default phy configuration for MF mode */
  10284. if (phy_index == EXT_PHY2) {
  10285. link_config = REG_RD(bp, params->shmem_base +
  10286. offsetof(struct shmem_region, dev_info.
  10287. port_feature_config[params->port].link_config2));
  10288. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10289. offsetof(struct shmem_region,
  10290. dev_info.
  10291. port_hw_config[params->port].speed_capability_mask2));
  10292. } else {
  10293. link_config = REG_RD(bp, params->shmem_base +
  10294. offsetof(struct shmem_region, dev_info.
  10295. port_feature_config[params->port].link_config));
  10296. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10297. offsetof(struct shmem_region,
  10298. dev_info.
  10299. port_hw_config[params->port].speed_capability_mask));
  10300. }
  10301. DP(NETIF_MSG_LINK,
  10302. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10303. phy_index, link_config, phy->speed_cap_mask);
  10304. phy->req_duplex = DUPLEX_FULL;
  10305. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10306. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10307. phy->req_duplex = DUPLEX_HALF;
  10308. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10309. phy->req_line_speed = SPEED_10;
  10310. break;
  10311. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10312. phy->req_duplex = DUPLEX_HALF;
  10313. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10314. phy->req_line_speed = SPEED_100;
  10315. break;
  10316. case PORT_FEATURE_LINK_SPEED_1G:
  10317. phy->req_line_speed = SPEED_1000;
  10318. break;
  10319. case PORT_FEATURE_LINK_SPEED_2_5G:
  10320. phy->req_line_speed = SPEED_2500;
  10321. break;
  10322. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10323. phy->req_line_speed = SPEED_10000;
  10324. break;
  10325. default:
  10326. phy->req_line_speed = SPEED_AUTO_NEG;
  10327. break;
  10328. }
  10329. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10330. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10331. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10332. break;
  10333. case PORT_FEATURE_FLOW_CONTROL_TX:
  10334. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10335. break;
  10336. case PORT_FEATURE_FLOW_CONTROL_RX:
  10337. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10338. break;
  10339. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10340. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10341. break;
  10342. default:
  10343. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10344. break;
  10345. }
  10346. }
  10347. u32 bnx2x_phy_selection(struct link_params *params)
  10348. {
  10349. u32 phy_config_swapped, prio_cfg;
  10350. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10351. phy_config_swapped = params->multi_phy_config &
  10352. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10353. prio_cfg = params->multi_phy_config &
  10354. PORT_HW_CFG_PHY_SELECTION_MASK;
  10355. if (phy_config_swapped) {
  10356. switch (prio_cfg) {
  10357. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10358. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10359. break;
  10360. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10361. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10362. break;
  10363. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10364. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10365. break;
  10366. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10367. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10368. break;
  10369. }
  10370. } else
  10371. return_cfg = prio_cfg;
  10372. return return_cfg;
  10373. }
  10374. int bnx2x_phy_probe(struct link_params *params)
  10375. {
  10376. u8 phy_index, actual_phy_idx;
  10377. u32 phy_config_swapped, sync_offset, media_types;
  10378. struct bnx2x *bp = params->bp;
  10379. struct bnx2x_phy *phy;
  10380. params->num_phys = 0;
  10381. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10382. phy_config_swapped = params->multi_phy_config &
  10383. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10384. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10385. phy_index++) {
  10386. actual_phy_idx = phy_index;
  10387. if (phy_config_swapped) {
  10388. if (phy_index == EXT_PHY1)
  10389. actual_phy_idx = EXT_PHY2;
  10390. else if (phy_index == EXT_PHY2)
  10391. actual_phy_idx = EXT_PHY1;
  10392. }
  10393. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10394. " actual_phy_idx %x\n", phy_config_swapped,
  10395. phy_index, actual_phy_idx);
  10396. phy = &params->phy[actual_phy_idx];
  10397. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10398. params->shmem2_base, params->port,
  10399. phy) != 0) {
  10400. params->num_phys = 0;
  10401. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10402. phy_index);
  10403. for (phy_index = INT_PHY;
  10404. phy_index < MAX_PHYS;
  10405. phy_index++)
  10406. *phy = phy_null;
  10407. return -EINVAL;
  10408. }
  10409. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10410. break;
  10411. sync_offset = params->shmem_base +
  10412. offsetof(struct shmem_region,
  10413. dev_info.port_hw_config[params->port].media_type);
  10414. media_types = REG_RD(bp, sync_offset);
  10415. /*
  10416. * Update media type for non-PMF sync only for the first time
  10417. * In case the media type changes afterwards, it will be updated
  10418. * using the update_status function
  10419. */
  10420. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10421. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10422. actual_phy_idx))) == 0) {
  10423. media_types |= ((phy->media_type &
  10424. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10425. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10426. actual_phy_idx));
  10427. }
  10428. REG_WR(bp, sync_offset, media_types);
  10429. bnx2x_phy_def_cfg(params, phy, phy_index);
  10430. params->num_phys++;
  10431. }
  10432. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10433. return 0;
  10434. }
  10435. void bnx2x_init_bmac_loopback(struct link_params *params,
  10436. struct link_vars *vars)
  10437. {
  10438. struct bnx2x *bp = params->bp;
  10439. vars->link_up = 1;
  10440. vars->line_speed = SPEED_10000;
  10441. vars->duplex = DUPLEX_FULL;
  10442. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10443. vars->mac_type = MAC_TYPE_BMAC;
  10444. vars->phy_flags = PHY_XGXS_FLAG;
  10445. bnx2x_xgxs_deassert(params);
  10446. /* set bmac loopback */
  10447. bnx2x_bmac_enable(params, vars, 1);
  10448. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10449. }
  10450. void bnx2x_init_emac_loopback(struct link_params *params,
  10451. struct link_vars *vars)
  10452. {
  10453. struct bnx2x *bp = params->bp;
  10454. vars->link_up = 1;
  10455. vars->line_speed = SPEED_1000;
  10456. vars->duplex = DUPLEX_FULL;
  10457. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10458. vars->mac_type = MAC_TYPE_EMAC;
  10459. vars->phy_flags = PHY_XGXS_FLAG;
  10460. bnx2x_xgxs_deassert(params);
  10461. /* set bmac loopback */
  10462. bnx2x_emac_enable(params, vars, 1);
  10463. bnx2x_emac_program(params, vars);
  10464. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10465. }
  10466. void bnx2x_init_xmac_loopback(struct link_params *params,
  10467. struct link_vars *vars)
  10468. {
  10469. struct bnx2x *bp = params->bp;
  10470. vars->link_up = 1;
  10471. if (!params->req_line_speed[0])
  10472. vars->line_speed = SPEED_10000;
  10473. else
  10474. vars->line_speed = params->req_line_speed[0];
  10475. vars->duplex = DUPLEX_FULL;
  10476. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10477. vars->mac_type = MAC_TYPE_XMAC;
  10478. vars->phy_flags = PHY_XGXS_FLAG;
  10479. /*
  10480. * Set WC to loopback mode since link is required to provide clock
  10481. * to the XMAC in 20G mode
  10482. */
  10483. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10484. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10485. params->phy[INT_PHY].config_loopback(
  10486. &params->phy[INT_PHY],
  10487. params);
  10488. bnx2x_xmac_enable(params, vars, 1);
  10489. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10490. }
  10491. void bnx2x_init_umac_loopback(struct link_params *params,
  10492. struct link_vars *vars)
  10493. {
  10494. struct bnx2x *bp = params->bp;
  10495. vars->link_up = 1;
  10496. vars->line_speed = SPEED_1000;
  10497. vars->duplex = DUPLEX_FULL;
  10498. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10499. vars->mac_type = MAC_TYPE_UMAC;
  10500. vars->phy_flags = PHY_XGXS_FLAG;
  10501. bnx2x_umac_enable(params, vars, 1);
  10502. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10503. }
  10504. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10505. struct link_vars *vars)
  10506. {
  10507. struct bnx2x *bp = params->bp;
  10508. vars->link_up = 1;
  10509. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10510. vars->duplex = DUPLEX_FULL;
  10511. if (params->req_line_speed[0] == SPEED_1000)
  10512. vars->line_speed = SPEED_1000;
  10513. else
  10514. vars->line_speed = SPEED_10000;
  10515. if (!USES_WARPCORE(bp))
  10516. bnx2x_xgxs_deassert(params);
  10517. bnx2x_link_initialize(params, vars);
  10518. if (params->req_line_speed[0] == SPEED_1000) {
  10519. if (USES_WARPCORE(bp))
  10520. bnx2x_umac_enable(params, vars, 0);
  10521. else {
  10522. bnx2x_emac_program(params, vars);
  10523. bnx2x_emac_enable(params, vars, 0);
  10524. }
  10525. } else {
  10526. if (USES_WARPCORE(bp))
  10527. bnx2x_xmac_enable(params, vars, 0);
  10528. else
  10529. bnx2x_bmac_enable(params, vars, 0);
  10530. }
  10531. if (params->loopback_mode == LOOPBACK_XGXS) {
  10532. /* set 10G XGXS loopback */
  10533. params->phy[INT_PHY].config_loopback(
  10534. &params->phy[INT_PHY],
  10535. params);
  10536. } else {
  10537. /* set external phy loopback */
  10538. u8 phy_index;
  10539. for (phy_index = EXT_PHY1;
  10540. phy_index < params->num_phys; phy_index++) {
  10541. if (params->phy[phy_index].config_loopback)
  10542. params->phy[phy_index].config_loopback(
  10543. &params->phy[phy_index],
  10544. params);
  10545. }
  10546. }
  10547. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10548. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10549. }
  10550. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10551. {
  10552. struct bnx2x *bp = params->bp;
  10553. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10554. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10555. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10556. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10557. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10558. vars->link_status = 0;
  10559. vars->phy_link_up = 0;
  10560. vars->link_up = 0;
  10561. vars->line_speed = 0;
  10562. vars->duplex = DUPLEX_FULL;
  10563. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10564. vars->mac_type = MAC_TYPE_NONE;
  10565. vars->phy_flags = 0;
  10566. /* disable attentions */
  10567. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10568. (NIG_MASK_XGXS0_LINK_STATUS |
  10569. NIG_MASK_XGXS0_LINK10G |
  10570. NIG_MASK_SERDES0_LINK_STATUS |
  10571. NIG_MASK_MI_INT));
  10572. bnx2x_emac_init(params, vars);
  10573. if (params->num_phys == 0) {
  10574. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10575. return -EINVAL;
  10576. }
  10577. set_phy_vars(params, vars);
  10578. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10579. switch (params->loopback_mode) {
  10580. case LOOPBACK_BMAC:
  10581. bnx2x_init_bmac_loopback(params, vars);
  10582. break;
  10583. case LOOPBACK_EMAC:
  10584. bnx2x_init_emac_loopback(params, vars);
  10585. break;
  10586. case LOOPBACK_XMAC:
  10587. bnx2x_init_xmac_loopback(params, vars);
  10588. break;
  10589. case LOOPBACK_UMAC:
  10590. bnx2x_init_umac_loopback(params, vars);
  10591. break;
  10592. case LOOPBACK_XGXS:
  10593. case LOOPBACK_EXT_PHY:
  10594. bnx2x_init_xgxs_loopback(params, vars);
  10595. break;
  10596. default:
  10597. if (!CHIP_IS_E3(bp)) {
  10598. if (params->switch_cfg == SWITCH_CFG_10G)
  10599. bnx2x_xgxs_deassert(params);
  10600. else
  10601. bnx2x_serdes_deassert(bp, params->port);
  10602. }
  10603. bnx2x_link_initialize(params, vars);
  10604. msleep(30);
  10605. bnx2x_link_int_enable(params);
  10606. break;
  10607. }
  10608. return 0;
  10609. }
  10610. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10611. u8 reset_ext_phy)
  10612. {
  10613. struct bnx2x *bp = params->bp;
  10614. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10615. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10616. /* disable attentions */
  10617. vars->link_status = 0;
  10618. bnx2x_update_mng(params, vars->link_status);
  10619. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10620. (NIG_MASK_XGXS0_LINK_STATUS |
  10621. NIG_MASK_XGXS0_LINK10G |
  10622. NIG_MASK_SERDES0_LINK_STATUS |
  10623. NIG_MASK_MI_INT));
  10624. /* activate nig drain */
  10625. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10626. /* disable nig egress interface */
  10627. if (!CHIP_IS_E3(bp)) {
  10628. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10629. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10630. }
  10631. /* Stop BigMac rx */
  10632. if (!CHIP_IS_E3(bp))
  10633. bnx2x_bmac_rx_disable(bp, port);
  10634. else {
  10635. bnx2x_xmac_disable(params);
  10636. bnx2x_umac_disable(params);
  10637. }
  10638. /* disable emac */
  10639. if (!CHIP_IS_E3(bp))
  10640. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10641. msleep(10);
  10642. /* The PHY reset is controlled by GPIO 1
  10643. * Hold it as vars low
  10644. */
  10645. /* clear link led */
  10646. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10647. if (reset_ext_phy) {
  10648. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10649. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10650. phy_index++) {
  10651. if (params->phy[phy_index].link_reset) {
  10652. bnx2x_set_aer_mmd(params,
  10653. &params->phy[phy_index]);
  10654. params->phy[phy_index].link_reset(
  10655. &params->phy[phy_index],
  10656. params);
  10657. }
  10658. if (params->phy[phy_index].flags &
  10659. FLAGS_REARM_LATCH_SIGNAL)
  10660. clear_latch_ind = 1;
  10661. }
  10662. }
  10663. if (clear_latch_ind) {
  10664. /* Clear latching indication */
  10665. bnx2x_rearm_latch_signal(bp, port, 0);
  10666. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10667. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10668. }
  10669. if (params->phy[INT_PHY].link_reset)
  10670. params->phy[INT_PHY].link_reset(
  10671. &params->phy[INT_PHY], params);
  10672. /* disable nig ingress interface */
  10673. if (!CHIP_IS_E3(bp)) {
  10674. /* reset BigMac */
  10675. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10676. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10677. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10678. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10679. } else {
  10680. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10681. bnx2x_set_xumac_nig(params, 0, 0);
  10682. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10683. MISC_REGISTERS_RESET_REG_2_XMAC)
  10684. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10685. XMAC_CTRL_REG_SOFT_RESET);
  10686. }
  10687. vars->link_up = 0;
  10688. vars->phy_flags = 0;
  10689. return 0;
  10690. }
  10691. /****************************************************************************/
  10692. /* Common function */
  10693. /****************************************************************************/
  10694. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10695. u32 shmem_base_path[],
  10696. u32 shmem2_base_path[], u8 phy_index,
  10697. u32 chip_id)
  10698. {
  10699. struct bnx2x_phy phy[PORT_MAX];
  10700. struct bnx2x_phy *phy_blk[PORT_MAX];
  10701. u16 val;
  10702. s8 port = 0;
  10703. s8 port_of_path = 0;
  10704. u32 swap_val, swap_override;
  10705. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10706. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10707. port ^= (swap_val && swap_override);
  10708. bnx2x_ext_phy_hw_reset(bp, port);
  10709. /* PART1 - Reset both phys */
  10710. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10711. u32 shmem_base, shmem2_base;
  10712. /* In E2, same phy is using for port0 of the two paths */
  10713. if (CHIP_IS_E1x(bp)) {
  10714. shmem_base = shmem_base_path[0];
  10715. shmem2_base = shmem2_base_path[0];
  10716. port_of_path = port;
  10717. } else {
  10718. shmem_base = shmem_base_path[port];
  10719. shmem2_base = shmem2_base_path[port];
  10720. port_of_path = 0;
  10721. }
  10722. /* Extract the ext phy address for the port */
  10723. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10724. port_of_path, &phy[port]) !=
  10725. 0) {
  10726. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10727. return -EINVAL;
  10728. }
  10729. /* disable attentions */
  10730. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10731. port_of_path*4,
  10732. (NIG_MASK_XGXS0_LINK_STATUS |
  10733. NIG_MASK_XGXS0_LINK10G |
  10734. NIG_MASK_SERDES0_LINK_STATUS |
  10735. NIG_MASK_MI_INT));
  10736. /* Need to take the phy out of low power mode in order
  10737. to write to access its registers */
  10738. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10739. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10740. port);
  10741. /* Reset the phy */
  10742. bnx2x_cl45_write(bp, &phy[port],
  10743. MDIO_PMA_DEVAD,
  10744. MDIO_PMA_REG_CTRL,
  10745. 1<<15);
  10746. }
  10747. /* Add delay of 150ms after reset */
  10748. msleep(150);
  10749. if (phy[PORT_0].addr & 0x1) {
  10750. phy_blk[PORT_0] = &(phy[PORT_1]);
  10751. phy_blk[PORT_1] = &(phy[PORT_0]);
  10752. } else {
  10753. phy_blk[PORT_0] = &(phy[PORT_0]);
  10754. phy_blk[PORT_1] = &(phy[PORT_1]);
  10755. }
  10756. /* PART2 - Download firmware to both phys */
  10757. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10758. if (CHIP_IS_E1x(bp))
  10759. port_of_path = port;
  10760. else
  10761. port_of_path = 0;
  10762. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10763. phy_blk[port]->addr);
  10764. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10765. port_of_path))
  10766. return -EINVAL;
  10767. /* Only set bit 10 = 1 (Tx power down) */
  10768. bnx2x_cl45_read(bp, phy_blk[port],
  10769. MDIO_PMA_DEVAD,
  10770. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10771. /* Phase1 of TX_POWER_DOWN reset */
  10772. bnx2x_cl45_write(bp, phy_blk[port],
  10773. MDIO_PMA_DEVAD,
  10774. MDIO_PMA_REG_TX_POWER_DOWN,
  10775. (val | 1<<10));
  10776. }
  10777. /*
  10778. * Toggle Transmitter: Power down and then up with 600ms delay
  10779. * between
  10780. */
  10781. msleep(600);
  10782. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10783. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10784. /* Phase2 of POWER_DOWN_RESET */
  10785. /* Release bit 10 (Release Tx power down) */
  10786. bnx2x_cl45_read(bp, phy_blk[port],
  10787. MDIO_PMA_DEVAD,
  10788. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10789. bnx2x_cl45_write(bp, phy_blk[port],
  10790. MDIO_PMA_DEVAD,
  10791. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10792. msleep(15);
  10793. /* Read modify write the SPI-ROM version select register */
  10794. bnx2x_cl45_read(bp, phy_blk[port],
  10795. MDIO_PMA_DEVAD,
  10796. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10797. bnx2x_cl45_write(bp, phy_blk[port],
  10798. MDIO_PMA_DEVAD,
  10799. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10800. /* set GPIO2 back to LOW */
  10801. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10802. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10803. }
  10804. return 0;
  10805. }
  10806. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10807. u32 shmem_base_path[],
  10808. u32 shmem2_base_path[], u8 phy_index,
  10809. u32 chip_id)
  10810. {
  10811. u32 val;
  10812. s8 port;
  10813. struct bnx2x_phy phy;
  10814. /* Use port1 because of the static port-swap */
  10815. /* Enable the module detection interrupt */
  10816. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10817. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10818. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10819. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10820. bnx2x_ext_phy_hw_reset(bp, 0);
  10821. msleep(5);
  10822. for (port = 0; port < PORT_MAX; port++) {
  10823. u32 shmem_base, shmem2_base;
  10824. /* In E2, same phy is using for port0 of the two paths */
  10825. if (CHIP_IS_E1x(bp)) {
  10826. shmem_base = shmem_base_path[0];
  10827. shmem2_base = shmem2_base_path[0];
  10828. } else {
  10829. shmem_base = shmem_base_path[port];
  10830. shmem2_base = shmem2_base_path[port];
  10831. }
  10832. /* Extract the ext phy address for the port */
  10833. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10834. port, &phy) !=
  10835. 0) {
  10836. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10837. return -EINVAL;
  10838. }
  10839. /* Reset phy*/
  10840. bnx2x_cl45_write(bp, &phy,
  10841. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10842. /* Set fault module detected LED on */
  10843. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10844. MISC_REGISTERS_GPIO_HIGH,
  10845. port);
  10846. }
  10847. return 0;
  10848. }
  10849. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10850. u8 *io_gpio, u8 *io_port)
  10851. {
  10852. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10853. offsetof(struct shmem_region,
  10854. dev_info.port_hw_config[PORT_0].default_cfg));
  10855. switch (phy_gpio_reset) {
  10856. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10857. *io_gpio = 0;
  10858. *io_port = 0;
  10859. break;
  10860. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10861. *io_gpio = 1;
  10862. *io_port = 0;
  10863. break;
  10864. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10865. *io_gpio = 2;
  10866. *io_port = 0;
  10867. break;
  10868. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10869. *io_gpio = 3;
  10870. *io_port = 0;
  10871. break;
  10872. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10873. *io_gpio = 0;
  10874. *io_port = 1;
  10875. break;
  10876. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10877. *io_gpio = 1;
  10878. *io_port = 1;
  10879. break;
  10880. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10881. *io_gpio = 2;
  10882. *io_port = 1;
  10883. break;
  10884. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10885. *io_gpio = 3;
  10886. *io_port = 1;
  10887. break;
  10888. default:
  10889. /* Don't override the io_gpio and io_port */
  10890. break;
  10891. }
  10892. }
  10893. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10894. u32 shmem_base_path[],
  10895. u32 shmem2_base_path[], u8 phy_index,
  10896. u32 chip_id)
  10897. {
  10898. s8 port, reset_gpio;
  10899. u32 swap_val, swap_override;
  10900. struct bnx2x_phy phy[PORT_MAX];
  10901. struct bnx2x_phy *phy_blk[PORT_MAX];
  10902. s8 port_of_path;
  10903. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10904. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10905. reset_gpio = MISC_REGISTERS_GPIO_1;
  10906. port = 1;
  10907. /*
  10908. * Retrieve the reset gpio/port which control the reset.
  10909. * Default is GPIO1, PORT1
  10910. */
  10911. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10912. (u8 *)&reset_gpio, (u8 *)&port);
  10913. /* Calculate the port based on port swap */
  10914. port ^= (swap_val && swap_override);
  10915. /* Initiate PHY reset*/
  10916. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10917. port);
  10918. msleep(1);
  10919. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10920. port);
  10921. msleep(5);
  10922. /* PART1 - Reset both phys */
  10923. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10924. u32 shmem_base, shmem2_base;
  10925. /* In E2, same phy is using for port0 of the two paths */
  10926. if (CHIP_IS_E1x(bp)) {
  10927. shmem_base = shmem_base_path[0];
  10928. shmem2_base = shmem2_base_path[0];
  10929. port_of_path = port;
  10930. } else {
  10931. shmem_base = shmem_base_path[port];
  10932. shmem2_base = shmem2_base_path[port];
  10933. port_of_path = 0;
  10934. }
  10935. /* Extract the ext phy address for the port */
  10936. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10937. port_of_path, &phy[port]) !=
  10938. 0) {
  10939. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10940. return -EINVAL;
  10941. }
  10942. /* disable attentions */
  10943. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10944. port_of_path*4,
  10945. (NIG_MASK_XGXS0_LINK_STATUS |
  10946. NIG_MASK_XGXS0_LINK10G |
  10947. NIG_MASK_SERDES0_LINK_STATUS |
  10948. NIG_MASK_MI_INT));
  10949. /* Reset the phy */
  10950. bnx2x_cl45_write(bp, &phy[port],
  10951. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10952. }
  10953. /* Add delay of 150ms after reset */
  10954. msleep(150);
  10955. if (phy[PORT_0].addr & 0x1) {
  10956. phy_blk[PORT_0] = &(phy[PORT_1]);
  10957. phy_blk[PORT_1] = &(phy[PORT_0]);
  10958. } else {
  10959. phy_blk[PORT_0] = &(phy[PORT_0]);
  10960. phy_blk[PORT_1] = &(phy[PORT_1]);
  10961. }
  10962. /* PART2 - Download firmware to both phys */
  10963. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10964. if (CHIP_IS_E1x(bp))
  10965. port_of_path = port;
  10966. else
  10967. port_of_path = 0;
  10968. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10969. phy_blk[port]->addr);
  10970. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10971. port_of_path))
  10972. return -EINVAL;
  10973. /* Disable PHY transmitter output */
  10974. bnx2x_cl45_write(bp, phy_blk[port],
  10975. MDIO_PMA_DEVAD,
  10976. MDIO_PMA_REG_TX_DISABLE, 1);
  10977. }
  10978. return 0;
  10979. }
  10980. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  10981. u32 shmem_base_path[],
  10982. u32 shmem2_base_path[],
  10983. u8 phy_index,
  10984. u32 chip_id)
  10985. {
  10986. u8 reset_gpios;
  10987. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  10988. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  10989. udelay(10);
  10990. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  10991. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  10992. reset_gpios);
  10993. return 0;
  10994. }
  10995. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  10996. struct bnx2x_phy *phy)
  10997. {
  10998. u16 val, cnt;
  10999. /* Wait for FW completing its initialization. */
  11000. for (cnt = 0; cnt < 1500; cnt++) {
  11001. bnx2x_cl45_read(bp, phy,
  11002. MDIO_PMA_DEVAD,
  11003. MDIO_PMA_REG_CTRL, &val);
  11004. if (!(val & (1<<15)))
  11005. break;
  11006. msleep(1);
  11007. }
  11008. if (cnt >= 1500) {
  11009. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11010. return -EINVAL;
  11011. }
  11012. /* Put the port in super isolate mode. */
  11013. bnx2x_cl45_read(bp, phy,
  11014. MDIO_CTL_DEVAD,
  11015. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11016. val |= MDIO_84833_SUPER_ISOLATE;
  11017. bnx2x_cl45_write(bp, phy,
  11018. MDIO_CTL_DEVAD,
  11019. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11020. /* Save spirom version */
  11021. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11022. return 0;
  11023. }
  11024. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11025. u32 shmem_base,
  11026. u32 shmem2_base,
  11027. u32 chip_id)
  11028. {
  11029. int rc = 0;
  11030. struct bnx2x_phy phy;
  11031. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11032. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11033. PORT_0, &phy)) {
  11034. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11035. return -EINVAL;
  11036. }
  11037. switch (phy.type) {
  11038. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11039. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11040. break;
  11041. default:
  11042. break;
  11043. }
  11044. return rc;
  11045. }
  11046. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11047. u32 shmem2_base_path[], u8 phy_index,
  11048. u32 ext_phy_type, u32 chip_id)
  11049. {
  11050. int rc = 0;
  11051. switch (ext_phy_type) {
  11052. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11053. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11054. shmem2_base_path,
  11055. phy_index, chip_id);
  11056. break;
  11057. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11058. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11059. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11060. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11061. shmem2_base_path,
  11062. phy_index, chip_id);
  11063. break;
  11064. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11065. /*
  11066. * GPIO1 affects both ports, so there's need to pull
  11067. * it for single port alone
  11068. */
  11069. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11070. shmem2_base_path,
  11071. phy_index, chip_id);
  11072. break;
  11073. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11074. /*
  11075. * GPIO3's are linked, and so both need to be toggled
  11076. * to obtain required 2us pulse.
  11077. */
  11078. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11079. shmem2_base_path,
  11080. phy_index, chip_id);
  11081. break;
  11082. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11083. rc = -EINVAL;
  11084. break;
  11085. default:
  11086. DP(NETIF_MSG_LINK,
  11087. "ext_phy 0x%x common init not required\n",
  11088. ext_phy_type);
  11089. break;
  11090. }
  11091. if (rc != 0)
  11092. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11093. " Port %d\n",
  11094. 0);
  11095. return rc;
  11096. }
  11097. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11098. u32 shmem2_base_path[], u32 chip_id)
  11099. {
  11100. int rc = 0;
  11101. u32 phy_ver, val;
  11102. u8 phy_index = 0;
  11103. u32 ext_phy_type, ext_phy_config;
  11104. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11105. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11106. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11107. if (CHIP_IS_E3(bp)) {
  11108. /* Enable EPIO */
  11109. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11110. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11111. }
  11112. /* Check if common init was already done */
  11113. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11114. offsetof(struct shmem_region,
  11115. port_mb[PORT_0].ext_phy_fw_version));
  11116. if (phy_ver) {
  11117. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11118. phy_ver);
  11119. return 0;
  11120. }
  11121. /* Read the ext_phy_type for arbitrary port(0) */
  11122. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11123. phy_index++) {
  11124. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11125. shmem_base_path[0],
  11126. phy_index, 0);
  11127. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11128. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11129. shmem2_base_path,
  11130. phy_index, ext_phy_type,
  11131. chip_id);
  11132. }
  11133. return rc;
  11134. }
  11135. static void bnx2x_check_over_curr(struct link_params *params,
  11136. struct link_vars *vars)
  11137. {
  11138. struct bnx2x *bp = params->bp;
  11139. u32 cfg_pin;
  11140. u8 port = params->port;
  11141. u32 pin_val;
  11142. cfg_pin = (REG_RD(bp, params->shmem_base +
  11143. offsetof(struct shmem_region,
  11144. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11145. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11146. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11147. /* Ignore check if no external input PIN available */
  11148. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11149. return;
  11150. if (!pin_val) {
  11151. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11152. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11153. " been detected and the power to "
  11154. "that SFP+ module has been removed"
  11155. " to prevent failure of the card."
  11156. " Please remove the SFP+ module and"
  11157. " restart the system to clear this"
  11158. " error.\n",
  11159. params->port);
  11160. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11161. }
  11162. } else
  11163. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11164. }
  11165. static void bnx2x_analyze_link_error(struct link_params *params,
  11166. struct link_vars *vars, u32 lss_status)
  11167. {
  11168. struct bnx2x *bp = params->bp;
  11169. /* Compare new value with previous value */
  11170. u8 led_mode;
  11171. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11172. if ((lss_status ^ half_open_conn) == 0)
  11173. return;
  11174. /* If values differ */
  11175. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11176. half_open_conn, lss_status);
  11177. /*
  11178. * a. Update shmem->link_status accordingly
  11179. * b. Update link_vars->link_up
  11180. */
  11181. if (lss_status) {
  11182. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11183. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11184. vars->link_up = 0;
  11185. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11186. /*
  11187. * Set LED mode to off since the PHY doesn't know about these
  11188. * errors
  11189. */
  11190. led_mode = LED_MODE_OFF;
  11191. } else {
  11192. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11193. vars->link_status |= LINK_STATUS_LINK_UP;
  11194. vars->link_up = 1;
  11195. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11196. led_mode = LED_MODE_OPER;
  11197. }
  11198. /* Update the LED according to the link state */
  11199. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11200. /* Update link status in the shared memory */
  11201. bnx2x_update_mng(params, vars->link_status);
  11202. /* C. Trigger General Attention */
  11203. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11204. bnx2x_notify_link_changed(bp);
  11205. }
  11206. /******************************************************************************
  11207. * Description:
  11208. * This function checks for half opened connection change indication.
  11209. * When such change occurs, it calls the bnx2x_analyze_link_error
  11210. * to check if Remote Fault is set or cleared. Reception of remote fault
  11211. * status message in the MAC indicates that the peer's MAC has detected
  11212. * a fault, for example, due to break in the TX side of fiber.
  11213. *
  11214. ******************************************************************************/
  11215. static void bnx2x_check_half_open_conn(struct link_params *params,
  11216. struct link_vars *vars)
  11217. {
  11218. struct bnx2x *bp = params->bp;
  11219. u32 lss_status = 0;
  11220. u32 mac_base;
  11221. /* In case link status is physically up @ 10G do */
  11222. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11223. return;
  11224. if (CHIP_IS_E3(bp) &&
  11225. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11226. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11227. /* Check E3 XMAC */
  11228. /*
  11229. * Note that link speed cannot be queried here, since it may be
  11230. * zero while link is down. In case UMAC is active, LSS will
  11231. * simply not be set
  11232. */
  11233. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11234. /* Clear stick bits (Requires rising edge) */
  11235. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11236. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11237. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11238. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11239. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11240. lss_status = 1;
  11241. bnx2x_analyze_link_error(params, vars, lss_status);
  11242. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11243. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11244. /* Check E1X / E2 BMAC */
  11245. u32 lss_status_reg;
  11246. u32 wb_data[2];
  11247. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11248. NIG_REG_INGRESS_BMAC0_MEM;
  11249. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11250. if (CHIP_IS_E2(bp))
  11251. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11252. else
  11253. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11254. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11255. lss_status = (wb_data[0] > 0);
  11256. bnx2x_analyze_link_error(params, vars, lss_status);
  11257. }
  11258. }
  11259. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11260. {
  11261. struct bnx2x *bp = params->bp;
  11262. u16 phy_idx;
  11263. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11264. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11265. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11266. bnx2x_check_half_open_conn(params, vars);
  11267. break;
  11268. }
  11269. }
  11270. if (CHIP_IS_E3(bp)) {
  11271. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11272. bnx2x_set_aer_mmd(params, phy);
  11273. bnx2x_check_over_curr(params, vars);
  11274. bnx2x_warpcore_config_runtime(phy, params, vars);
  11275. }
  11276. }
  11277. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11278. {
  11279. u8 phy_index;
  11280. struct bnx2x_phy phy;
  11281. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11282. phy_index++) {
  11283. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11284. 0, &phy) != 0) {
  11285. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11286. return 0;
  11287. }
  11288. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11289. return 1;
  11290. }
  11291. return 0;
  11292. }
  11293. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11294. u32 shmem_base,
  11295. u32 shmem2_base,
  11296. u8 port)
  11297. {
  11298. u8 phy_index, fan_failure_det_req = 0;
  11299. struct bnx2x_phy phy;
  11300. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11301. phy_index++) {
  11302. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11303. port, &phy)
  11304. != 0) {
  11305. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11306. return 0;
  11307. }
  11308. fan_failure_det_req |= (phy.flags &
  11309. FLAGS_FAN_FAILURE_DET_REQ);
  11310. }
  11311. return fan_failure_det_req;
  11312. }
  11313. void bnx2x_hw_reset_phy(struct link_params *params)
  11314. {
  11315. u8 phy_index;
  11316. struct bnx2x *bp = params->bp;
  11317. bnx2x_update_mng(params, 0);
  11318. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11319. (NIG_MASK_XGXS0_LINK_STATUS |
  11320. NIG_MASK_XGXS0_LINK10G |
  11321. NIG_MASK_SERDES0_LINK_STATUS |
  11322. NIG_MASK_MI_INT));
  11323. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11324. phy_index++) {
  11325. if (params->phy[phy_index].hw_reset) {
  11326. params->phy[phy_index].hw_reset(
  11327. &params->phy[phy_index],
  11328. params);
  11329. params->phy[phy_index] = phy_null;
  11330. }
  11331. }
  11332. }
  11333. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11334. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11335. u8 port)
  11336. {
  11337. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11338. u32 val;
  11339. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11340. if (CHIP_IS_E3(bp)) {
  11341. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11342. shmem_base,
  11343. port,
  11344. &gpio_num,
  11345. &gpio_port) != 0)
  11346. return;
  11347. } else {
  11348. struct bnx2x_phy phy;
  11349. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11350. phy_index++) {
  11351. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11352. shmem2_base, port, &phy)
  11353. != 0) {
  11354. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11355. return;
  11356. }
  11357. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11358. gpio_num = MISC_REGISTERS_GPIO_3;
  11359. gpio_port = port;
  11360. break;
  11361. }
  11362. }
  11363. }
  11364. if (gpio_num == 0xff)
  11365. return;
  11366. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11367. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11368. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11369. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11370. gpio_port ^= (swap_val && swap_override);
  11371. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11372. (gpio_num + (gpio_port << 2));
  11373. sync_offset = shmem_base +
  11374. offsetof(struct shmem_region,
  11375. dev_info.port_hw_config[port].aeu_int_mask);
  11376. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11377. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11378. gpio_num, gpio_port, vars->aeu_int_mask);
  11379. if (port == 0)
  11380. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11381. else
  11382. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11383. /* Open appropriate AEU for interrupts */
  11384. aeu_mask = REG_RD(bp, offset);
  11385. aeu_mask |= vars->aeu_int_mask;
  11386. REG_WR(bp, offset, aeu_mask);
  11387. /* Enable the GPIO to trigger interrupt */
  11388. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11389. val |= 1 << (gpio_num + (gpio_port << 2));
  11390. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11391. }