bnx2x_link.c 358 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 thresholds for E2*/
  145. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  146. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  147. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  148. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  149. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  150. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  151. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  152. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  153. /* BRB thresholds for E3A0 */
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  155. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  156. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  157. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  158. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  159. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  160. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  161. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  162. /* BRB thresholds for E3B0 2 port mode*/
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  164. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  169. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  171. /* only for E3B0*/
  172. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  173. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  174. /* Lossy +Lossless GUARANTIED == GUART */
  175. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  176. /* Lossless +Lossless*/
  177. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  178. /* Lossy +Lossy*/
  179. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  180. /* Lossy +Lossless*/
  181. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  182. /* Lossless +Lossless*/
  183. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  184. /* Lossy +Lossy*/
  185. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  186. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  187. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  188. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  189. /* BRB thresholds for E3B0 4 port mode */
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  191. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  192. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  193. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  195. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  196. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  197. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  198. /* only for E3B0*/
  199. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  200. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  201. #define PFC_E3B0_4P_LB_GUART 120
  202. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  203. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  204. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  205. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  206. #define DCBX_INVALID_COS (0xFF)
  207. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  208. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  209. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  210. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  211. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  212. #define MAX_PACKET_SIZE (9700)
  213. #define WC_UC_TIMEOUT 100
  214. /**********************************************************/
  215. /* INTERFACE */
  216. /**********************************************************/
  217. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  218. bnx2x_cl45_write(_bp, _phy, \
  219. (_phy)->def_md_devad, \
  220. (_bank + (_addr & 0xf)), \
  221. _val)
  222. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  223. bnx2x_cl45_read(_bp, _phy, \
  224. (_phy)->def_md_devad, \
  225. (_bank + (_addr & 0xf)), \
  226. _val)
  227. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  228. {
  229. u32 val = REG_RD(bp, reg);
  230. val |= bits;
  231. REG_WR(bp, reg, val);
  232. return val;
  233. }
  234. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  235. {
  236. u32 val = REG_RD(bp, reg);
  237. val &= ~bits;
  238. REG_WR(bp, reg, val);
  239. return val;
  240. }
  241. /******************************************************************/
  242. /* EPIO/GPIO section */
  243. /******************************************************************/
  244. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  245. {
  246. u32 epio_mask, gp_oenable;
  247. *en = 0;
  248. /* Sanity check */
  249. if (epio_pin > 31) {
  250. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  251. return;
  252. }
  253. epio_mask = 1 << epio_pin;
  254. /* Set this EPIO to output */
  255. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  256. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  257. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  258. }
  259. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  260. {
  261. u32 epio_mask, gp_output, gp_oenable;
  262. /* Sanity check */
  263. if (epio_pin > 31) {
  264. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  265. return;
  266. }
  267. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  268. epio_mask = 1 << epio_pin;
  269. /* Set this EPIO to output */
  270. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  271. if (en)
  272. gp_output |= epio_mask;
  273. else
  274. gp_output &= ~epio_mask;
  275. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  276. /* Set the value for this EPIO */
  277. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  278. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  279. }
  280. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  281. {
  282. if (pin_cfg == PIN_CFG_NA)
  283. return;
  284. if (pin_cfg >= PIN_CFG_EPIO0) {
  285. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  286. } else {
  287. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  288. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  289. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  290. }
  291. }
  292. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  293. {
  294. if (pin_cfg == PIN_CFG_NA)
  295. return -EINVAL;
  296. if (pin_cfg >= PIN_CFG_EPIO0) {
  297. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  298. } else {
  299. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  300. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  301. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  302. }
  303. return 0;
  304. }
  305. /******************************************************************/
  306. /* ETS section */
  307. /******************************************************************/
  308. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  309. {
  310. /* ETS disabled configuration*/
  311. struct bnx2x *bp = params->bp;
  312. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  313. /*
  314. * mapping between entry priority to client number (0,1,2 -debug and
  315. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  316. * 3bits client num.
  317. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  318. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  319. */
  320. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  321. /*
  322. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  323. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  324. * COS0 entry, 4 - COS1 entry.
  325. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  326. * bit4 bit3 bit2 bit1 bit0
  327. * MCP and debug are strict
  328. */
  329. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  330. /* defines which entries (clients) are subjected to WFQ arbitration */
  331. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  332. /*
  333. * For strict priority entries defines the number of consecutive
  334. * slots for the highest priority.
  335. */
  336. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  337. /*
  338. * mapping between the CREDIT_WEIGHT registers and actual client
  339. * numbers
  340. */
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  343. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  346. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  347. /* ETS mode disable */
  348. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  349. /*
  350. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  351. * weight for COS0/COS1.
  352. */
  353. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  354. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  355. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  356. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  357. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  358. /* Defines the number of consecutive slots for the strict priority */
  359. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  360. }
  361. /******************************************************************************
  362. * Description:
  363. * Getting min_w_val will be set according to line speed .
  364. *.
  365. ******************************************************************************/
  366. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  367. {
  368. u32 min_w_val = 0;
  369. /* Calculate min_w_val.*/
  370. if (vars->link_up) {
  371. if (SPEED_20000 == vars->line_speed)
  372. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  373. else
  374. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  375. } else
  376. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  377. /**
  378. * If the link isn't up (static configuration for example ) The
  379. * link will be according to 20GBPS.
  380. */
  381. return min_w_val;
  382. }
  383. /******************************************************************************
  384. * Description:
  385. * Getting credit upper bound form min_w_val.
  386. *.
  387. ******************************************************************************/
  388. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  389. {
  390. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  391. MAX_PACKET_SIZE);
  392. return credit_upper_bound;
  393. }
  394. /******************************************************************************
  395. * Description:
  396. * Set credit upper bound for NIG.
  397. *.
  398. ******************************************************************************/
  399. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  400. const struct link_params *params,
  401. const u32 min_w_val)
  402. {
  403. struct bnx2x *bp = params->bp;
  404. const u8 port = params->port;
  405. const u32 credit_upper_bound =
  406. bnx2x_ets_get_credit_upper_bound(min_w_val);
  407. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  408. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  409. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  410. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  411. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  412. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  413. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  414. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  415. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  416. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  417. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  418. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  419. if (0 == port) {
  420. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  421. credit_upper_bound);
  422. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  423. credit_upper_bound);
  424. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  425. credit_upper_bound);
  426. }
  427. }
  428. /******************************************************************************
  429. * Description:
  430. * Will return the NIG ETS registers to init values.Except
  431. * credit_upper_bound.
  432. * That isn't used in this configuration (No WFQ is enabled) and will be
  433. * configured acording to spec
  434. *.
  435. ******************************************************************************/
  436. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  437. const struct link_vars *vars)
  438. {
  439. struct bnx2x *bp = params->bp;
  440. const u8 port = params->port;
  441. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  442. /**
  443. * mapping between entry priority to client number (0,1,2 -debug and
  444. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  445. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  446. * reset value or init tool
  447. */
  448. if (port) {
  449. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  450. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  451. } else {
  452. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  453. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  454. }
  455. /**
  456. * For strict priority entries defines the number of consecutive
  457. * slots for the highest priority.
  458. */
  459. /* TODO_ETS - Should be done by reset value or init tool */
  460. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  461. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  462. /**
  463. * mapping between the CREDIT_WEIGHT registers and actual client
  464. * numbers
  465. */
  466. /* TODO_ETS - Should be done by reset value or init tool */
  467. if (port) {
  468. /*Port 1 has 6 COS*/
  469. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  470. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  471. } else {
  472. /*Port 0 has 9 COS*/
  473. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  474. 0x43210876);
  475. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  476. }
  477. /**
  478. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  479. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  480. * COS0 entry, 4 - COS1 entry.
  481. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  482. * bit4 bit3 bit2 bit1 bit0
  483. * MCP and debug are strict
  484. */
  485. if (port)
  486. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  487. else
  488. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  489. /* defines which entries (clients) are subjected to WFQ arbitration */
  490. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  491. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  492. /**
  493. * Please notice the register address are note continuous and a
  494. * for here is note appropriate.In 2 port mode port0 only COS0-5
  495. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  496. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  497. * are never used for WFQ
  498. */
  499. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  500. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  501. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  502. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  503. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  504. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  505. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  506. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  507. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  508. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  509. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  510. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  511. if (0 == port) {
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  514. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  515. }
  516. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  517. }
  518. /******************************************************************************
  519. * Description:
  520. * Set credit upper bound for PBF.
  521. *.
  522. ******************************************************************************/
  523. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  524. const struct link_params *params,
  525. const u32 min_w_val)
  526. {
  527. struct bnx2x *bp = params->bp;
  528. const u32 credit_upper_bound =
  529. bnx2x_ets_get_credit_upper_bound(min_w_val);
  530. const u8 port = params->port;
  531. u32 base_upper_bound = 0;
  532. u8 max_cos = 0;
  533. u8 i = 0;
  534. /**
  535. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  536. * port mode port1 has COS0-2 that can be used for WFQ.
  537. */
  538. if (0 == port) {
  539. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  540. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  541. } else {
  542. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  543. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  544. }
  545. for (i = 0; i < max_cos; i++)
  546. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  547. }
  548. /******************************************************************************
  549. * Description:
  550. * Will return the PBF ETS registers to init values.Except
  551. * credit_upper_bound.
  552. * That isn't used in this configuration (No WFQ is enabled) and will be
  553. * configured acording to spec
  554. *.
  555. ******************************************************************************/
  556. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  557. {
  558. struct bnx2x *bp = params->bp;
  559. const u8 port = params->port;
  560. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  561. u8 i = 0;
  562. u32 base_weight = 0;
  563. u8 max_cos = 0;
  564. /**
  565. * mapping between entry priority to client number 0 - COS0
  566. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  567. * TODO_ETS - Should be done by reset value or init tool
  568. */
  569. if (port)
  570. /* 0x688 (|011|0 10|00 1|000) */
  571. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  572. else
  573. /* (10 1|100 |011|0 10|00 1|000) */
  574. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  575. /* TODO_ETS - Should be done by reset value or init tool */
  576. if (port)
  577. /* 0x688 (|011|0 10|00 1|000)*/
  578. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  579. else
  580. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  581. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  582. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  583. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  584. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  585. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  586. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  587. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  588. /**
  589. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  590. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  591. */
  592. if (0 == port) {
  593. base_weight = PBF_REG_COS0_WEIGHT_P0;
  594. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  595. } else {
  596. base_weight = PBF_REG_COS0_WEIGHT_P1;
  597. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  598. }
  599. for (i = 0; i < max_cos; i++)
  600. REG_WR(bp, base_weight + (0x4 * i), 0);
  601. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  602. }
  603. /******************************************************************************
  604. * Description:
  605. * E3B0 disable will return basicly the values to init values.
  606. *.
  607. ******************************************************************************/
  608. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  609. const struct link_vars *vars)
  610. {
  611. struct bnx2x *bp = params->bp;
  612. if (!CHIP_IS_E3B0(bp)) {
  613. DP(NETIF_MSG_LINK,
  614. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  615. return -EINVAL;
  616. }
  617. bnx2x_ets_e3b0_nig_disabled(params, vars);
  618. bnx2x_ets_e3b0_pbf_disabled(params);
  619. return 0;
  620. }
  621. /******************************************************************************
  622. * Description:
  623. * Disable will return basicly the values to init values.
  624. *.
  625. ******************************************************************************/
  626. int bnx2x_ets_disabled(struct link_params *params,
  627. struct link_vars *vars)
  628. {
  629. struct bnx2x *bp = params->bp;
  630. int bnx2x_status = 0;
  631. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  632. bnx2x_ets_e2e3a0_disabled(params);
  633. else if (CHIP_IS_E3B0(bp))
  634. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  635. else {
  636. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  637. return -EINVAL;
  638. }
  639. return bnx2x_status;
  640. }
  641. /******************************************************************************
  642. * Description
  643. * Set the COS mappimg to SP and BW until this point all the COS are not
  644. * set as SP or BW.
  645. ******************************************************************************/
  646. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  647. const struct bnx2x_ets_params *ets_params,
  648. const u8 cos_sp_bitmap,
  649. const u8 cos_bw_bitmap)
  650. {
  651. struct bnx2x *bp = params->bp;
  652. const u8 port = params->port;
  653. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  654. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  655. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  656. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  657. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  658. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  659. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  660. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  661. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  662. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  663. nig_cli_subject2wfq_bitmap);
  664. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  665. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  666. pbf_cli_subject2wfq_bitmap);
  667. return 0;
  668. }
  669. /******************************************************************************
  670. * Description:
  671. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  672. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  673. ******************************************************************************/
  674. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  675. const u8 cos_entry,
  676. const u32 min_w_val_nig,
  677. const u32 min_w_val_pbf,
  678. const u16 total_bw,
  679. const u8 bw,
  680. const u8 port)
  681. {
  682. u32 nig_reg_adress_crd_weight = 0;
  683. u32 pbf_reg_adress_crd_weight = 0;
  684. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  685. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  686. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  687. switch (cos_entry) {
  688. case 0:
  689. nig_reg_adress_crd_weight =
  690. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  691. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  692. pbf_reg_adress_crd_weight = (port) ?
  693. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  694. break;
  695. case 1:
  696. nig_reg_adress_crd_weight = (port) ?
  697. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  698. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  699. pbf_reg_adress_crd_weight = (port) ?
  700. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  701. break;
  702. case 2:
  703. nig_reg_adress_crd_weight = (port) ?
  704. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  705. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  706. pbf_reg_adress_crd_weight = (port) ?
  707. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  708. break;
  709. case 3:
  710. if (port)
  711. return -EINVAL;
  712. nig_reg_adress_crd_weight =
  713. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  714. pbf_reg_adress_crd_weight =
  715. PBF_REG_COS3_WEIGHT_P0;
  716. break;
  717. case 4:
  718. if (port)
  719. return -EINVAL;
  720. nig_reg_adress_crd_weight =
  721. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  722. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  723. break;
  724. case 5:
  725. if (port)
  726. return -EINVAL;
  727. nig_reg_adress_crd_weight =
  728. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  729. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  730. break;
  731. }
  732. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  733. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  734. return 0;
  735. }
  736. /******************************************************************************
  737. * Description:
  738. * Calculate the total BW.A value of 0 isn't legal.
  739. *.
  740. ******************************************************************************/
  741. static int bnx2x_ets_e3b0_get_total_bw(
  742. const struct link_params *params,
  743. const struct bnx2x_ets_params *ets_params,
  744. u16 *total_bw)
  745. {
  746. struct bnx2x *bp = params->bp;
  747. u8 cos_idx = 0;
  748. *total_bw = 0 ;
  749. /* Calculate total BW requested */
  750. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  751. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  752. *total_bw +=
  753. ets_params->cos[cos_idx].params.bw_params.bw;
  754. }
  755. }
  756. /* Check total BW is valid */
  757. if ((100 != *total_bw) || (0 == *total_bw)) {
  758. if (0 == *total_bw) {
  759. DP(NETIF_MSG_LINK,
  760. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  761. return -EINVAL;
  762. }
  763. DP(NETIF_MSG_LINK,
  764. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  765. /**
  766. * We can handle a case whre the BW isn't 100 this can happen
  767. * if the TC are joined.
  768. */
  769. }
  770. return 0;
  771. }
  772. /******************************************************************************
  773. * Description:
  774. * Invalidate all the sp_pri_to_cos.
  775. *.
  776. ******************************************************************************/
  777. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  778. {
  779. u8 pri = 0;
  780. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  781. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  782. }
  783. /******************************************************************************
  784. * Description:
  785. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  786. * according to sp_pri_to_cos.
  787. *.
  788. ******************************************************************************/
  789. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  790. u8 *sp_pri_to_cos, const u8 pri,
  791. const u8 cos_entry)
  792. {
  793. struct bnx2x *bp = params->bp;
  794. const u8 port = params->port;
  795. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  796. DCBX_E3B0_MAX_NUM_COS_PORT0;
  797. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  798. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  799. "parameter There can't be two COS's with "
  800. "the same strict pri\n");
  801. return -EINVAL;
  802. }
  803. if (pri > max_num_of_cos) {
  804. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  805. "parameter Illegal strict priority\n");
  806. return -EINVAL;
  807. }
  808. sp_pri_to_cos[pri] = cos_entry;
  809. return 0;
  810. }
  811. /******************************************************************************
  812. * Description:
  813. * Returns the correct value according to COS and priority in
  814. * the sp_pri_cli register.
  815. *.
  816. ******************************************************************************/
  817. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  818. const u8 pri_set,
  819. const u8 pri_offset,
  820. const u8 entry_size)
  821. {
  822. u64 pri_cli_nig = 0;
  823. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  824. (pri_set + pri_offset));
  825. return pri_cli_nig;
  826. }
  827. /******************************************************************************
  828. * Description:
  829. * Returns the correct value according to COS and priority in the
  830. * sp_pri_cli register for NIG.
  831. *.
  832. ******************************************************************************/
  833. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  834. {
  835. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  836. const u8 nig_cos_offset = 3;
  837. const u8 nig_pri_offset = 3;
  838. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  839. nig_pri_offset, 4);
  840. }
  841. /******************************************************************************
  842. * Description:
  843. * Returns the correct value according to COS and priority in the
  844. * sp_pri_cli register for PBF.
  845. *.
  846. ******************************************************************************/
  847. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  848. {
  849. const u8 pbf_cos_offset = 0;
  850. const u8 pbf_pri_offset = 0;
  851. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  852. pbf_pri_offset, 3);
  853. }
  854. /******************************************************************************
  855. * Description:
  856. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  857. * according to sp_pri_to_cos.(which COS has higher priority)
  858. *.
  859. ******************************************************************************/
  860. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  861. u8 *sp_pri_to_cos)
  862. {
  863. struct bnx2x *bp = params->bp;
  864. u8 i = 0;
  865. const u8 port = params->port;
  866. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  867. u64 pri_cli_nig = 0x210;
  868. u32 pri_cli_pbf = 0x0;
  869. u8 pri_set = 0;
  870. u8 pri_bitmask = 0;
  871. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  872. DCBX_E3B0_MAX_NUM_COS_PORT0;
  873. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  874. /* Set all the strict priority first */
  875. for (i = 0; i < max_num_of_cos; i++) {
  876. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  877. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  878. DP(NETIF_MSG_LINK,
  879. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  880. "invalid cos entry\n");
  881. return -EINVAL;
  882. }
  883. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  884. sp_pri_to_cos[i], pri_set);
  885. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  886. sp_pri_to_cos[i], pri_set);
  887. pri_bitmask = 1 << sp_pri_to_cos[i];
  888. /* COS is used remove it from bitmap.*/
  889. if (0 == (pri_bitmask & cos_bit_to_set)) {
  890. DP(NETIF_MSG_LINK,
  891. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  892. "invalid There can't be two COS's with"
  893. " the same strict pri\n");
  894. return -EINVAL;
  895. }
  896. cos_bit_to_set &= ~pri_bitmask;
  897. pri_set++;
  898. }
  899. }
  900. /* Set all the Non strict priority i= COS*/
  901. for (i = 0; i < max_num_of_cos; i++) {
  902. pri_bitmask = 1 << i;
  903. /* Check if COS was already used for SP */
  904. if (pri_bitmask & cos_bit_to_set) {
  905. /* COS wasn't used for SP */
  906. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  907. i, pri_set);
  908. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  909. i, pri_set);
  910. /* COS is used remove it from bitmap.*/
  911. cos_bit_to_set &= ~pri_bitmask;
  912. pri_set++;
  913. }
  914. }
  915. if (pri_set != max_num_of_cos) {
  916. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  917. "entries were set\n");
  918. return -EINVAL;
  919. }
  920. if (port) {
  921. /* Only 6 usable clients*/
  922. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  923. (u32)pri_cli_nig);
  924. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  925. } else {
  926. /* Only 9 usable clients*/
  927. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  928. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  929. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  930. pri_cli_nig_lsb);
  931. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  932. pri_cli_nig_msb);
  933. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  934. }
  935. return 0;
  936. }
  937. /******************************************************************************
  938. * Description:
  939. * Configure the COS to ETS according to BW and SP settings.
  940. ******************************************************************************/
  941. int bnx2x_ets_e3b0_config(const struct link_params *params,
  942. const struct link_vars *vars,
  943. const struct bnx2x_ets_params *ets_params)
  944. {
  945. struct bnx2x *bp = params->bp;
  946. int bnx2x_status = 0;
  947. const u8 port = params->port;
  948. u16 total_bw = 0;
  949. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  950. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  951. u8 cos_bw_bitmap = 0;
  952. u8 cos_sp_bitmap = 0;
  953. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  954. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  955. DCBX_E3B0_MAX_NUM_COS_PORT0;
  956. u8 cos_entry = 0;
  957. if (!CHIP_IS_E3B0(bp)) {
  958. DP(NETIF_MSG_LINK,
  959. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  960. return -EINVAL;
  961. }
  962. if ((ets_params->num_of_cos > max_num_of_cos)) {
  963. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  964. "isn't supported\n");
  965. return -EINVAL;
  966. }
  967. /* Prepare sp strict priority parameters*/
  968. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  969. /* Prepare BW parameters*/
  970. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  971. &total_bw);
  972. if (0 != bnx2x_status) {
  973. DP(NETIF_MSG_LINK,
  974. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  975. return -EINVAL;
  976. }
  977. /**
  978. * Upper bound is set according to current link speed (min_w_val
  979. * should be the same for upper bound and COS credit val).
  980. */
  981. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  982. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  983. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  984. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  985. cos_bw_bitmap |= (1 << cos_entry);
  986. /**
  987. * The function also sets the BW in HW(not the mappin
  988. * yet)
  989. */
  990. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  991. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  992. total_bw,
  993. ets_params->cos[cos_entry].params.bw_params.bw,
  994. port);
  995. } else if (bnx2x_cos_state_strict ==
  996. ets_params->cos[cos_entry].state){
  997. cos_sp_bitmap |= (1 << cos_entry);
  998. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  999. params,
  1000. sp_pri_to_cos,
  1001. ets_params->cos[cos_entry].params.sp_params.pri,
  1002. cos_entry);
  1003. } else {
  1004. DP(NETIF_MSG_LINK,
  1005. "bnx2x_ets_e3b0_config cos state not valid\n");
  1006. return -EINVAL;
  1007. }
  1008. if (0 != bnx2x_status) {
  1009. DP(NETIF_MSG_LINK,
  1010. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1011. return bnx2x_status;
  1012. }
  1013. }
  1014. /* Set SP register (which COS has higher priority) */
  1015. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1016. sp_pri_to_cos);
  1017. if (0 != bnx2x_status) {
  1018. DP(NETIF_MSG_LINK,
  1019. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1020. return bnx2x_status;
  1021. }
  1022. /* Set client mapping of BW and strict */
  1023. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1024. cos_sp_bitmap,
  1025. cos_bw_bitmap);
  1026. if (0 != bnx2x_status) {
  1027. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1028. return bnx2x_status;
  1029. }
  1030. return 0;
  1031. }
  1032. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1033. {
  1034. /* ETS disabled configuration */
  1035. struct bnx2x *bp = params->bp;
  1036. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1037. /*
  1038. * defines which entries (clients) are subjected to WFQ arbitration
  1039. * COS0 0x8
  1040. * COS1 0x10
  1041. */
  1042. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1043. /*
  1044. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1045. * client numbers (WEIGHT_0 does not actually have to represent
  1046. * client 0)
  1047. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1048. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1049. */
  1050. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1051. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1052. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1053. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1054. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1055. /* ETS mode enabled*/
  1056. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1057. /* Defines the number of consecutive slots for the strict priority */
  1058. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1059. /*
  1060. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1061. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1062. * entry, 4 - COS1 entry.
  1063. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1064. * bit4 bit3 bit2 bit1 bit0
  1065. * MCP and debug are strict
  1066. */
  1067. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1068. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1069. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1070. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1071. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1072. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1073. }
  1074. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1075. const u32 cos1_bw)
  1076. {
  1077. /* ETS disabled configuration*/
  1078. struct bnx2x *bp = params->bp;
  1079. const u32 total_bw = cos0_bw + cos1_bw;
  1080. u32 cos0_credit_weight = 0;
  1081. u32 cos1_credit_weight = 0;
  1082. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1083. if ((0 == total_bw) ||
  1084. (0 == cos0_bw) ||
  1085. (0 == cos1_bw)) {
  1086. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1087. return;
  1088. }
  1089. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1090. total_bw;
  1091. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1092. total_bw;
  1093. bnx2x_ets_bw_limit_common(params);
  1094. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1095. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1096. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1097. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1098. }
  1099. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1100. {
  1101. /* ETS disabled configuration*/
  1102. struct bnx2x *bp = params->bp;
  1103. u32 val = 0;
  1104. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1105. /*
  1106. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1107. * as strict. Bits 0,1,2 - debug and management entries,
  1108. * 3 - COS0 entry, 4 - COS1 entry.
  1109. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1110. * bit4 bit3 bit2 bit1 bit0
  1111. * MCP and debug are strict
  1112. */
  1113. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1114. /*
  1115. * For strict priority entries defines the number of consecutive slots
  1116. * for the highest priority.
  1117. */
  1118. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1119. /* ETS mode disable */
  1120. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1121. /* Defines the number of consecutive slots for the strict priority */
  1122. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1123. /* Defines the number of consecutive slots for the strict priority */
  1124. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1125. /*
  1126. * mapping between entry priority to client number (0,1,2 -debug and
  1127. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1128. * 3bits client num.
  1129. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1130. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1131. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1132. */
  1133. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1134. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1135. return 0;
  1136. }
  1137. /******************************************************************/
  1138. /* PFC section */
  1139. /******************************************************************/
  1140. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1141. struct link_vars *vars,
  1142. u8 is_lb)
  1143. {
  1144. struct bnx2x *bp = params->bp;
  1145. u32 xmac_base;
  1146. u32 pause_val, pfc0_val, pfc1_val;
  1147. /* XMAC base adrr */
  1148. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1149. /* Initialize pause and pfc registers */
  1150. pause_val = 0x18000;
  1151. pfc0_val = 0xFFFF8000;
  1152. pfc1_val = 0x2;
  1153. /* No PFC support */
  1154. if (!(params->feature_config_flags &
  1155. FEATURE_CONFIG_PFC_ENABLED)) {
  1156. /*
  1157. * RX flow control - Process pause frame in receive direction
  1158. */
  1159. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1160. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1161. /*
  1162. * TX flow control - Send pause packet when buffer is full
  1163. */
  1164. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1165. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1166. } else {/* PFC support */
  1167. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1168. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1169. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1170. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1171. }
  1172. /* Write pause and PFC registers */
  1173. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1174. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1175. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1176. /* Set MAC address for source TX Pause/PFC frames */
  1177. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1178. ((params->mac_addr[2] << 24) |
  1179. (params->mac_addr[3] << 16) |
  1180. (params->mac_addr[4] << 8) |
  1181. (params->mac_addr[5])));
  1182. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1183. ((params->mac_addr[0] << 8) |
  1184. (params->mac_addr[1])));
  1185. udelay(30);
  1186. }
  1187. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1188. u32 pfc_frames_sent[2],
  1189. u32 pfc_frames_received[2])
  1190. {
  1191. /* Read pfc statistic */
  1192. struct bnx2x *bp = params->bp;
  1193. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1194. u32 val_xon = 0;
  1195. u32 val_xoff = 0;
  1196. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1197. /* PFC received frames */
  1198. val_xoff = REG_RD(bp, emac_base +
  1199. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1200. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1201. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1202. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1203. pfc_frames_received[0] = val_xon + val_xoff;
  1204. /* PFC received sent */
  1205. val_xoff = REG_RD(bp, emac_base +
  1206. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1207. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1208. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1209. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1210. pfc_frames_sent[0] = val_xon + val_xoff;
  1211. }
  1212. /* Read pfc statistic*/
  1213. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1214. u32 pfc_frames_sent[2],
  1215. u32 pfc_frames_received[2])
  1216. {
  1217. /* Read pfc statistic */
  1218. struct bnx2x *bp = params->bp;
  1219. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1220. if (!vars->link_up)
  1221. return;
  1222. if (MAC_TYPE_EMAC == vars->mac_type) {
  1223. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1224. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1225. pfc_frames_received);
  1226. }
  1227. }
  1228. /******************************************************************/
  1229. /* MAC/PBF section */
  1230. /******************************************************************/
  1231. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1232. {
  1233. u32 mode, emac_base;
  1234. /**
  1235. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1236. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1237. */
  1238. if (CHIP_IS_E2(bp))
  1239. emac_base = GRCBASE_EMAC0;
  1240. else
  1241. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1242. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1243. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1244. EMAC_MDIO_MODE_CLOCK_CNT);
  1245. if (USES_WARPCORE(bp))
  1246. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1247. else
  1248. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1249. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1250. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1251. udelay(40);
  1252. }
  1253. static void bnx2x_emac_init(struct link_params *params,
  1254. struct link_vars *vars)
  1255. {
  1256. /* reset and unreset the emac core */
  1257. struct bnx2x *bp = params->bp;
  1258. u8 port = params->port;
  1259. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1260. u32 val;
  1261. u16 timeout;
  1262. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1263. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1264. udelay(5);
  1265. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1266. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1267. /* init emac - use read-modify-write */
  1268. /* self clear reset */
  1269. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1270. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1271. timeout = 200;
  1272. do {
  1273. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1274. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1275. if (!timeout) {
  1276. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1277. return;
  1278. }
  1279. timeout--;
  1280. } while (val & EMAC_MODE_RESET);
  1281. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1282. /* Set mac address */
  1283. val = ((params->mac_addr[0] << 8) |
  1284. params->mac_addr[1]);
  1285. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1286. val = ((params->mac_addr[2] << 24) |
  1287. (params->mac_addr[3] << 16) |
  1288. (params->mac_addr[4] << 8) |
  1289. params->mac_addr[5]);
  1290. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1291. }
  1292. static void bnx2x_set_xumac_nig(struct link_params *params,
  1293. u16 tx_pause_en,
  1294. u8 enable)
  1295. {
  1296. struct bnx2x *bp = params->bp;
  1297. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1298. enable);
  1299. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1300. enable);
  1301. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1302. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1303. }
  1304. static void bnx2x_umac_enable(struct link_params *params,
  1305. struct link_vars *vars, u8 lb)
  1306. {
  1307. u32 val;
  1308. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1309. struct bnx2x *bp = params->bp;
  1310. /* Reset UMAC */
  1311. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1312. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1313. usleep_range(1000, 1000);
  1314. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1315. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1316. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1317. /**
  1318. * This register determines on which events the MAC will assert
  1319. * error on the i/f to the NIG along w/ EOP.
  1320. */
  1321. /**
  1322. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1323. * params->port*0x14, 0xfffff.
  1324. */
  1325. /* This register opens the gate for the UMAC despite its name */
  1326. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1327. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1328. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1329. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1330. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1331. switch (vars->line_speed) {
  1332. case SPEED_10:
  1333. val |= (0<<2);
  1334. break;
  1335. case SPEED_100:
  1336. val |= (1<<2);
  1337. break;
  1338. case SPEED_1000:
  1339. val |= (2<<2);
  1340. break;
  1341. case SPEED_2500:
  1342. val |= (3<<2);
  1343. break;
  1344. default:
  1345. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1346. vars->line_speed);
  1347. break;
  1348. }
  1349. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1350. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1351. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1352. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1353. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1354. udelay(50);
  1355. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1356. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1357. ((params->mac_addr[2] << 24) |
  1358. (params->mac_addr[3] << 16) |
  1359. (params->mac_addr[4] << 8) |
  1360. (params->mac_addr[5])));
  1361. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1362. ((params->mac_addr[0] << 8) |
  1363. (params->mac_addr[1])));
  1364. /* Enable RX and TX */
  1365. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1366. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1367. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1368. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1369. udelay(50);
  1370. /* Remove SW Reset */
  1371. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1372. /* Check loopback mode */
  1373. if (lb)
  1374. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1375. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1376. /*
  1377. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1378. * length used by the MAC receive logic to check frames.
  1379. */
  1380. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1381. bnx2x_set_xumac_nig(params,
  1382. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1383. vars->mac_type = MAC_TYPE_UMAC;
  1384. }
  1385. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1386. {
  1387. u32 port4mode_ovwr_val;
  1388. /* Check 4-port override enabled */
  1389. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1390. if (port4mode_ovwr_val & (1<<0)) {
  1391. /* Return 4-port mode override value */
  1392. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1393. }
  1394. /* Return 4-port mode from input pin */
  1395. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1396. }
  1397. /* Define the XMAC mode */
  1398. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1399. {
  1400. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1401. /**
  1402. * In 4-port mode, need to set the mode only once, so if XMAC is
  1403. * already out of reset, it means the mode has already been set,
  1404. * and it must not* reset the XMAC again, since it controls both
  1405. * ports of the path
  1406. **/
  1407. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1408. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1409. DP(NETIF_MSG_LINK,
  1410. "XMAC already out of reset in 4-port mode\n");
  1411. return;
  1412. }
  1413. /* Hard reset */
  1414. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1415. MISC_REGISTERS_RESET_REG_2_XMAC);
  1416. usleep_range(1000, 1000);
  1417. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1418. MISC_REGISTERS_RESET_REG_2_XMAC);
  1419. if (is_port4mode) {
  1420. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1421. /* Set the number of ports on the system side to up to 2 */
  1422. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1423. /* Set the number of ports on the Warp Core to 10G */
  1424. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1425. } else {
  1426. /* Set the number of ports on the system side to 1 */
  1427. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1428. if (max_speed == SPEED_10000) {
  1429. DP(NETIF_MSG_LINK,
  1430. "Init XMAC to 10G x 1 port per path\n");
  1431. /* Set the number of ports on the Warp Core to 10G */
  1432. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1433. } else {
  1434. DP(NETIF_MSG_LINK,
  1435. "Init XMAC to 20G x 2 ports per path\n");
  1436. /* Set the number of ports on the Warp Core to 20G */
  1437. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1438. }
  1439. }
  1440. /* Soft reset */
  1441. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1442. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1443. usleep_range(1000, 1000);
  1444. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1445. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1446. }
  1447. static void bnx2x_xmac_disable(struct link_params *params)
  1448. {
  1449. u8 port = params->port;
  1450. struct bnx2x *bp = params->bp;
  1451. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1452. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1453. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1454. /*
  1455. * Send an indication to change the state in the NIG back to XON
  1456. * Clearing this bit enables the next set of this bit to get
  1457. * rising edge
  1458. */
  1459. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1460. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1461. (pfc_ctrl & ~(1<<1)));
  1462. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1463. (pfc_ctrl | (1<<1)));
  1464. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1465. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1466. usleep_range(1000, 1000);
  1467. bnx2x_set_xumac_nig(params, 0, 0);
  1468. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1469. XMAC_CTRL_REG_SOFT_RESET);
  1470. }
  1471. }
  1472. static int bnx2x_xmac_enable(struct link_params *params,
  1473. struct link_vars *vars, u8 lb)
  1474. {
  1475. u32 val, xmac_base;
  1476. struct bnx2x *bp = params->bp;
  1477. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1478. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1479. bnx2x_xmac_init(bp, vars->line_speed);
  1480. /*
  1481. * This register determines on which events the MAC will assert
  1482. * error on the i/f to the NIG along w/ EOP.
  1483. */
  1484. /*
  1485. * This register tells the NIG whether to send traffic to UMAC
  1486. * or XMAC
  1487. */
  1488. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1489. /* Set Max packet size */
  1490. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1491. /* CRC append for Tx packets */
  1492. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1493. /* update PFC */
  1494. bnx2x_update_pfc_xmac(params, vars, 0);
  1495. /* Enable TX and RX */
  1496. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1497. /* Check loopback mode */
  1498. if (lb)
  1499. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1500. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1501. bnx2x_set_xumac_nig(params,
  1502. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1503. vars->mac_type = MAC_TYPE_XMAC;
  1504. return 0;
  1505. }
  1506. static int bnx2x_emac_enable(struct link_params *params,
  1507. struct link_vars *vars, u8 lb)
  1508. {
  1509. struct bnx2x *bp = params->bp;
  1510. u8 port = params->port;
  1511. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1512. u32 val;
  1513. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1514. /* Disable BMAC */
  1515. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1516. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1517. /* enable emac and not bmac */
  1518. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1519. /* ASIC */
  1520. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1521. u32 ser_lane = ((params->lane_config &
  1522. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1523. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1524. DP(NETIF_MSG_LINK, "XGXS\n");
  1525. /* select the master lanes (out of 0-3) */
  1526. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1527. /* select XGXS */
  1528. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1529. } else { /* SerDes */
  1530. DP(NETIF_MSG_LINK, "SerDes\n");
  1531. /* select SerDes */
  1532. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1533. }
  1534. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1535. EMAC_RX_MODE_RESET);
  1536. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1537. EMAC_TX_MODE_RESET);
  1538. if (CHIP_REV_IS_SLOW(bp)) {
  1539. /* config GMII mode */
  1540. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1541. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1542. } else { /* ASIC */
  1543. /* pause enable/disable */
  1544. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1545. EMAC_RX_MODE_FLOW_EN);
  1546. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1547. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1548. EMAC_TX_MODE_FLOW_EN));
  1549. if (!(params->feature_config_flags &
  1550. FEATURE_CONFIG_PFC_ENABLED)) {
  1551. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1552. bnx2x_bits_en(bp, emac_base +
  1553. EMAC_REG_EMAC_RX_MODE,
  1554. EMAC_RX_MODE_FLOW_EN);
  1555. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1556. bnx2x_bits_en(bp, emac_base +
  1557. EMAC_REG_EMAC_TX_MODE,
  1558. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1559. EMAC_TX_MODE_FLOW_EN));
  1560. } else
  1561. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1562. EMAC_TX_MODE_FLOW_EN);
  1563. }
  1564. /* KEEP_VLAN_TAG, promiscuous */
  1565. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1566. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1567. /*
  1568. * Setting this bit causes MAC control frames (except for pause
  1569. * frames) to be passed on for processing. This setting has no
  1570. * affect on the operation of the pause frames. This bit effects
  1571. * all packets regardless of RX Parser packet sorting logic.
  1572. * Turn the PFC off to make sure we are in Xon state before
  1573. * enabling it.
  1574. */
  1575. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1576. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1577. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1578. /* Enable PFC again */
  1579. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1580. EMAC_REG_RX_PFC_MODE_RX_EN |
  1581. EMAC_REG_RX_PFC_MODE_TX_EN |
  1582. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1583. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1584. ((0x0101 <<
  1585. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1586. (0x00ff <<
  1587. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1588. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1589. }
  1590. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1591. /* Set Loopback */
  1592. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1593. if (lb)
  1594. val |= 0x810;
  1595. else
  1596. val &= ~0x810;
  1597. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1598. /* enable emac */
  1599. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1600. /* enable emac for jumbo packets */
  1601. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1602. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1603. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1604. /* strip CRC */
  1605. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1606. /* disable the NIG in/out to the bmac */
  1607. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1608. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1609. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1610. /* enable the NIG in/out to the emac */
  1611. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1612. val = 0;
  1613. if ((params->feature_config_flags &
  1614. FEATURE_CONFIG_PFC_ENABLED) ||
  1615. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1616. val = 1;
  1617. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1618. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1619. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1620. vars->mac_type = MAC_TYPE_EMAC;
  1621. return 0;
  1622. }
  1623. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1624. struct link_vars *vars)
  1625. {
  1626. u32 wb_data[2];
  1627. struct bnx2x *bp = params->bp;
  1628. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1629. NIG_REG_INGRESS_BMAC0_MEM;
  1630. u32 val = 0x14;
  1631. if ((!(params->feature_config_flags &
  1632. FEATURE_CONFIG_PFC_ENABLED)) &&
  1633. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1634. /* Enable BigMAC to react on received Pause packets */
  1635. val |= (1<<5);
  1636. wb_data[0] = val;
  1637. wb_data[1] = 0;
  1638. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1639. /* tx control */
  1640. val = 0xc0;
  1641. if (!(params->feature_config_flags &
  1642. FEATURE_CONFIG_PFC_ENABLED) &&
  1643. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1644. val |= 0x800000;
  1645. wb_data[0] = val;
  1646. wb_data[1] = 0;
  1647. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1648. }
  1649. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1650. struct link_vars *vars,
  1651. u8 is_lb)
  1652. {
  1653. /*
  1654. * Set rx control: Strip CRC and enable BigMAC to relay
  1655. * control packets to the system as well
  1656. */
  1657. u32 wb_data[2];
  1658. struct bnx2x *bp = params->bp;
  1659. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1660. NIG_REG_INGRESS_BMAC0_MEM;
  1661. u32 val = 0x14;
  1662. if ((!(params->feature_config_flags &
  1663. FEATURE_CONFIG_PFC_ENABLED)) &&
  1664. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1665. /* Enable BigMAC to react on received Pause packets */
  1666. val |= (1<<5);
  1667. wb_data[0] = val;
  1668. wb_data[1] = 0;
  1669. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1670. udelay(30);
  1671. /* Tx control */
  1672. val = 0xc0;
  1673. if (!(params->feature_config_flags &
  1674. FEATURE_CONFIG_PFC_ENABLED) &&
  1675. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1676. val |= 0x800000;
  1677. wb_data[0] = val;
  1678. wb_data[1] = 0;
  1679. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1680. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1681. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1682. /* Enable PFC RX & TX & STATS and set 8 COS */
  1683. wb_data[0] = 0x0;
  1684. wb_data[0] |= (1<<0); /* RX */
  1685. wb_data[0] |= (1<<1); /* TX */
  1686. wb_data[0] |= (1<<2); /* Force initial Xon */
  1687. wb_data[0] |= (1<<3); /* 8 cos */
  1688. wb_data[0] |= (1<<5); /* STATS */
  1689. wb_data[1] = 0;
  1690. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1691. wb_data, 2);
  1692. /* Clear the force Xon */
  1693. wb_data[0] &= ~(1<<2);
  1694. } else {
  1695. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1696. /* disable PFC RX & TX & STATS and set 8 COS */
  1697. wb_data[0] = 0x8;
  1698. wb_data[1] = 0;
  1699. }
  1700. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1701. /*
  1702. * Set Time (based unit is 512 bit time) between automatic
  1703. * re-sending of PP packets amd enable automatic re-send of
  1704. * Per-Priroity Packet as long as pp_gen is asserted and
  1705. * pp_disable is low.
  1706. */
  1707. val = 0x8000;
  1708. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1709. val |= (1<<16); /* enable automatic re-send */
  1710. wb_data[0] = val;
  1711. wb_data[1] = 0;
  1712. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1713. wb_data, 2);
  1714. /* mac control */
  1715. val = 0x3; /* Enable RX and TX */
  1716. if (is_lb) {
  1717. val |= 0x4; /* Local loopback */
  1718. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1719. }
  1720. /* When PFC enabled, Pass pause frames towards the NIG. */
  1721. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1722. val |= ((1<<6)|(1<<5));
  1723. wb_data[0] = val;
  1724. wb_data[1] = 0;
  1725. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1726. }
  1727. /* PFC BRB internal port configuration params */
  1728. struct bnx2x_pfc_brb_threshold_val {
  1729. u32 pause_xoff;
  1730. u32 pause_xon;
  1731. u32 full_xoff;
  1732. u32 full_xon;
  1733. };
  1734. struct bnx2x_pfc_brb_e3b0_val {
  1735. u32 full_lb_xoff_th;
  1736. u32 full_lb_xon_threshold;
  1737. u32 lb_guarantied;
  1738. u32 mac_0_class_t_guarantied;
  1739. u32 mac_0_class_t_guarantied_hyst;
  1740. u32 mac_1_class_t_guarantied;
  1741. u32 mac_1_class_t_guarantied_hyst;
  1742. };
  1743. struct bnx2x_pfc_brb_th_val {
  1744. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1745. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1746. };
  1747. static int bnx2x_pfc_brb_get_config_params(
  1748. struct link_params *params,
  1749. struct bnx2x_pfc_brb_th_val *config_val)
  1750. {
  1751. struct bnx2x *bp = params->bp;
  1752. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1753. if (CHIP_IS_E2(bp)) {
  1754. config_val->pauseable_th.pause_xoff =
  1755. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1756. config_val->pauseable_th.pause_xon =
  1757. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1758. config_val->pauseable_th.full_xoff =
  1759. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1760. config_val->pauseable_th.full_xon =
  1761. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1762. /* non pause able*/
  1763. config_val->non_pauseable_th.pause_xoff =
  1764. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1765. config_val->non_pauseable_th.pause_xon =
  1766. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1767. config_val->non_pauseable_th.full_xoff =
  1768. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1769. config_val->non_pauseable_th.full_xon =
  1770. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1771. } else if (CHIP_IS_E3A0(bp)) {
  1772. config_val->pauseable_th.pause_xoff =
  1773. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1774. config_val->pauseable_th.pause_xon =
  1775. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1776. config_val->pauseable_th.full_xoff =
  1777. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1778. config_val->pauseable_th.full_xon =
  1779. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1780. /* non pause able*/
  1781. config_val->non_pauseable_th.pause_xoff =
  1782. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1783. config_val->non_pauseable_th.pause_xon =
  1784. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1785. config_val->non_pauseable_th.full_xoff =
  1786. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1787. config_val->non_pauseable_th.full_xon =
  1788. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1789. } else if (CHIP_IS_E3B0(bp)) {
  1790. if (params->phy[INT_PHY].flags &
  1791. FLAGS_4_PORT_MODE) {
  1792. config_val->pauseable_th.pause_xoff =
  1793. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1794. config_val->pauseable_th.pause_xon =
  1795. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1796. config_val->pauseable_th.full_xoff =
  1797. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1798. config_val->pauseable_th.full_xon =
  1799. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1800. /* non pause able*/
  1801. config_val->non_pauseable_th.pause_xoff =
  1802. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1803. config_val->non_pauseable_th.pause_xon =
  1804. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1805. config_val->non_pauseable_th.full_xoff =
  1806. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1807. config_val->non_pauseable_th.full_xon =
  1808. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1809. } else {
  1810. config_val->pauseable_th.pause_xoff =
  1811. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1812. config_val->pauseable_th.pause_xon =
  1813. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1814. config_val->pauseable_th.full_xoff =
  1815. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1816. config_val->pauseable_th.full_xon =
  1817. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1818. /* non pause able*/
  1819. config_val->non_pauseable_th.pause_xoff =
  1820. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1821. config_val->non_pauseable_th.pause_xon =
  1822. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1823. config_val->non_pauseable_th.full_xoff =
  1824. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1825. config_val->non_pauseable_th.full_xon =
  1826. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1827. }
  1828. } else
  1829. return -EINVAL;
  1830. return 0;
  1831. }
  1832. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1833. struct bnx2x_pfc_brb_e3b0_val
  1834. *e3b0_val,
  1835. u32 cos0_pauseable,
  1836. u32 cos1_pauseable)
  1837. {
  1838. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1839. e3b0_val->full_lb_xoff_th =
  1840. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1841. e3b0_val->full_lb_xon_threshold =
  1842. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1843. e3b0_val->lb_guarantied =
  1844. PFC_E3B0_4P_LB_GUART;
  1845. e3b0_val->mac_0_class_t_guarantied =
  1846. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1847. e3b0_val->mac_0_class_t_guarantied_hyst =
  1848. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1849. e3b0_val->mac_1_class_t_guarantied =
  1850. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1851. e3b0_val->mac_1_class_t_guarantied_hyst =
  1852. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1853. } else {
  1854. e3b0_val->full_lb_xoff_th =
  1855. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1856. e3b0_val->full_lb_xon_threshold =
  1857. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1858. e3b0_val->mac_0_class_t_guarantied_hyst =
  1859. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1860. e3b0_val->mac_1_class_t_guarantied =
  1861. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1862. e3b0_val->mac_1_class_t_guarantied_hyst =
  1863. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1864. if (cos0_pauseable != cos1_pauseable) {
  1865. /* nonpauseable= Lossy + pauseable = Lossless*/
  1866. e3b0_val->lb_guarantied =
  1867. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1868. e3b0_val->mac_0_class_t_guarantied =
  1869. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1870. } else if (cos0_pauseable) {
  1871. /* Lossless +Lossless*/
  1872. e3b0_val->lb_guarantied =
  1873. PFC_E3B0_2P_PAUSE_LB_GUART;
  1874. e3b0_val->mac_0_class_t_guarantied =
  1875. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1876. } else {
  1877. /* Lossy +Lossy*/
  1878. e3b0_val->lb_guarantied =
  1879. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1880. e3b0_val->mac_0_class_t_guarantied =
  1881. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1882. }
  1883. }
  1884. }
  1885. static int bnx2x_update_pfc_brb(struct link_params *params,
  1886. struct link_vars *vars,
  1887. struct bnx2x_nig_brb_pfc_port_params
  1888. *pfc_params)
  1889. {
  1890. struct bnx2x *bp = params->bp;
  1891. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1892. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1893. &config_val.pauseable_th;
  1894. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1895. int set_pfc = params->feature_config_flags &
  1896. FEATURE_CONFIG_PFC_ENABLED;
  1897. int bnx2x_status = 0;
  1898. u8 port = params->port;
  1899. /* default - pause configuration */
  1900. reg_th_config = &config_val.pauseable_th;
  1901. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1902. if (0 != bnx2x_status)
  1903. return bnx2x_status;
  1904. if (set_pfc && pfc_params)
  1905. /* First COS */
  1906. if (!pfc_params->cos0_pauseable)
  1907. reg_th_config = &config_val.non_pauseable_th;
  1908. /*
  1909. * The number of free blocks below which the pause signal to class 0
  1910. * of MAC #n is asserted. n=0,1
  1911. */
  1912. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1913. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1914. reg_th_config->pause_xoff);
  1915. /*
  1916. * The number of free blocks above which the pause signal to class 0
  1917. * of MAC #n is de-asserted. n=0,1
  1918. */
  1919. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1920. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1921. /*
  1922. * The number of free blocks below which the full signal to class 0
  1923. * of MAC #n is asserted. n=0,1
  1924. */
  1925. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1926. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1927. /*
  1928. * The number of free blocks above which the full signal to class 0
  1929. * of MAC #n is de-asserted. n=0,1
  1930. */
  1931. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1932. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1933. if (set_pfc && pfc_params) {
  1934. /* Second COS */
  1935. if (pfc_params->cos1_pauseable)
  1936. reg_th_config = &config_val.pauseable_th;
  1937. else
  1938. reg_th_config = &config_val.non_pauseable_th;
  1939. /*
  1940. * The number of free blocks below which the pause signal to
  1941. * class 1 of MAC #n is asserted. n=0,1
  1942. **/
  1943. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1944. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1945. reg_th_config->pause_xoff);
  1946. /*
  1947. * The number of free blocks above which the pause signal to
  1948. * class 1 of MAC #n is de-asserted. n=0,1
  1949. */
  1950. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1951. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1952. reg_th_config->pause_xon);
  1953. /*
  1954. * The number of free blocks below which the full signal to
  1955. * class 1 of MAC #n is asserted. n=0,1
  1956. */
  1957. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1958. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1959. reg_th_config->full_xoff);
  1960. /*
  1961. * The number of free blocks above which the full signal to
  1962. * class 1 of MAC #n is de-asserted. n=0,1
  1963. */
  1964. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1965. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1966. reg_th_config->full_xon);
  1967. if (CHIP_IS_E3B0(bp)) {
  1968. /*Should be done by init tool */
  1969. /*
  1970. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1971. * reset value
  1972. * 944
  1973. */
  1974. /**
  1975. * The hysteresis on the guarantied buffer space for the Lb port
  1976. * before signaling XON.
  1977. **/
  1978. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1979. bnx2x_pfc_brb_get_e3b0_config_params(
  1980. params,
  1981. &e3b0_val,
  1982. pfc_params->cos0_pauseable,
  1983. pfc_params->cos1_pauseable);
  1984. /**
  1985. * The number of free blocks below which the full signal to the
  1986. * LB port is asserted.
  1987. */
  1988. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1989. e3b0_val.full_lb_xoff_th);
  1990. /**
  1991. * The number of free blocks above which the full signal to the
  1992. * LB port is de-asserted.
  1993. */
  1994. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1995. e3b0_val.full_lb_xon_threshold);
  1996. /**
  1997. * The number of blocks guarantied for the MAC #n port. n=0,1
  1998. */
  1999. /*The number of blocks guarantied for the LB port.*/
  2000. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2001. e3b0_val.lb_guarantied);
  2002. /**
  2003. * The number of blocks guarantied for the MAC #n port.
  2004. */
  2005. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2006. 2 * e3b0_val.mac_0_class_t_guarantied);
  2007. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2008. 2 * e3b0_val.mac_1_class_t_guarantied);
  2009. /**
  2010. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2011. */
  2012. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2013. e3b0_val.mac_0_class_t_guarantied);
  2014. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2015. e3b0_val.mac_0_class_t_guarantied);
  2016. /**
  2017. * The hysteresis on the guarantied buffer space for class in
  2018. * MAC0. t=0,1
  2019. */
  2020. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2021. e3b0_val.mac_0_class_t_guarantied_hyst);
  2022. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2023. e3b0_val.mac_0_class_t_guarantied_hyst);
  2024. /**
  2025. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2026. */
  2027. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2028. e3b0_val.mac_1_class_t_guarantied);
  2029. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2030. e3b0_val.mac_1_class_t_guarantied);
  2031. /**
  2032. * The hysteresis on the guarantied buffer space for class #t
  2033. * in MAC1. t=0,1
  2034. */
  2035. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2036. e3b0_val.mac_1_class_t_guarantied_hyst);
  2037. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2038. e3b0_val.mac_1_class_t_guarantied_hyst);
  2039. }
  2040. }
  2041. return bnx2x_status;
  2042. }
  2043. /******************************************************************************
  2044. * Description:
  2045. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2046. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2047. ******************************************************************************/
  2048. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2049. u8 cos_entry,
  2050. u32 priority_mask, u8 port)
  2051. {
  2052. u32 nig_reg_rx_priority_mask_add = 0;
  2053. switch (cos_entry) {
  2054. case 0:
  2055. nig_reg_rx_priority_mask_add = (port) ?
  2056. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2057. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2058. break;
  2059. case 1:
  2060. nig_reg_rx_priority_mask_add = (port) ?
  2061. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2062. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2063. break;
  2064. case 2:
  2065. nig_reg_rx_priority_mask_add = (port) ?
  2066. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2067. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2068. break;
  2069. case 3:
  2070. if (port)
  2071. return -EINVAL;
  2072. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2073. break;
  2074. case 4:
  2075. if (port)
  2076. return -EINVAL;
  2077. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2078. break;
  2079. case 5:
  2080. if (port)
  2081. return -EINVAL;
  2082. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2083. break;
  2084. }
  2085. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2086. return 0;
  2087. }
  2088. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2089. {
  2090. struct bnx2x *bp = params->bp;
  2091. REG_WR(bp, params->shmem_base +
  2092. offsetof(struct shmem_region,
  2093. port_mb[params->port].link_status), link_status);
  2094. }
  2095. static void bnx2x_update_pfc_nig(struct link_params *params,
  2096. struct link_vars *vars,
  2097. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2098. {
  2099. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2100. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2101. u32 pkt_priority_to_cos = 0;
  2102. struct bnx2x *bp = params->bp;
  2103. u8 port = params->port;
  2104. int set_pfc = params->feature_config_flags &
  2105. FEATURE_CONFIG_PFC_ENABLED;
  2106. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2107. /*
  2108. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2109. * MAC control frames (that are not pause packets)
  2110. * will be forwarded to the XCM.
  2111. */
  2112. xcm_mask = REG_RD(bp,
  2113. port ? NIG_REG_LLH1_XCM_MASK :
  2114. NIG_REG_LLH0_XCM_MASK);
  2115. /*
  2116. * nig params will override non PFC params, since it's possible to
  2117. * do transition from PFC to SAFC
  2118. */
  2119. if (set_pfc) {
  2120. pause_enable = 0;
  2121. llfc_out_en = 0;
  2122. llfc_enable = 0;
  2123. if (CHIP_IS_E3(bp))
  2124. ppp_enable = 0;
  2125. else
  2126. ppp_enable = 1;
  2127. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2128. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2129. xcm0_out_en = 0;
  2130. p0_hwpfc_enable = 1;
  2131. } else {
  2132. if (nig_params) {
  2133. llfc_out_en = nig_params->llfc_out_en;
  2134. llfc_enable = nig_params->llfc_enable;
  2135. pause_enable = nig_params->pause_enable;
  2136. } else /*defaul non PFC mode - PAUSE */
  2137. pause_enable = 1;
  2138. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2139. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2140. xcm0_out_en = 1;
  2141. }
  2142. if (CHIP_IS_E3(bp))
  2143. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2144. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2145. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2146. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2147. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2148. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2149. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2150. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2151. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2152. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2153. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2154. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2155. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2156. /* output enable for RX_XCM # IF */
  2157. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2158. /* HW PFC TX enable */
  2159. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2160. if (nig_params) {
  2161. u8 i = 0;
  2162. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2163. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2164. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2165. nig_params->rx_cos_priority_mask[i], port);
  2166. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2167. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2168. nig_params->llfc_high_priority_classes);
  2169. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2170. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2171. nig_params->llfc_low_priority_classes);
  2172. }
  2173. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2174. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2175. pkt_priority_to_cos);
  2176. }
  2177. int bnx2x_update_pfc(struct link_params *params,
  2178. struct link_vars *vars,
  2179. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2180. {
  2181. /*
  2182. * The PFC and pause are orthogonal to one another, meaning when
  2183. * PFC is enabled, the pause are disabled, and when PFC is
  2184. * disabled, pause are set according to the pause result.
  2185. */
  2186. u32 val;
  2187. struct bnx2x *bp = params->bp;
  2188. int bnx2x_status = 0;
  2189. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2190. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2191. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2192. else
  2193. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2194. bnx2x_update_mng(params, vars->link_status);
  2195. /* update NIG params */
  2196. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2197. /* update BRB params */
  2198. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2199. if (0 != bnx2x_status)
  2200. return bnx2x_status;
  2201. if (!vars->link_up)
  2202. return bnx2x_status;
  2203. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2204. if (CHIP_IS_E3(bp))
  2205. bnx2x_update_pfc_xmac(params, vars, 0);
  2206. else {
  2207. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2208. if ((val &
  2209. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2210. == 0) {
  2211. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2212. bnx2x_emac_enable(params, vars, 0);
  2213. return bnx2x_status;
  2214. }
  2215. if (CHIP_IS_E2(bp))
  2216. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2217. else
  2218. bnx2x_update_pfc_bmac1(params, vars);
  2219. val = 0;
  2220. if ((params->feature_config_flags &
  2221. FEATURE_CONFIG_PFC_ENABLED) ||
  2222. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2223. val = 1;
  2224. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2225. }
  2226. return bnx2x_status;
  2227. }
  2228. static int bnx2x_bmac1_enable(struct link_params *params,
  2229. struct link_vars *vars,
  2230. u8 is_lb)
  2231. {
  2232. struct bnx2x *bp = params->bp;
  2233. u8 port = params->port;
  2234. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2235. NIG_REG_INGRESS_BMAC0_MEM;
  2236. u32 wb_data[2];
  2237. u32 val;
  2238. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2239. /* XGXS control */
  2240. wb_data[0] = 0x3c;
  2241. wb_data[1] = 0;
  2242. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2243. wb_data, 2);
  2244. /* tx MAC SA */
  2245. wb_data[0] = ((params->mac_addr[2] << 24) |
  2246. (params->mac_addr[3] << 16) |
  2247. (params->mac_addr[4] << 8) |
  2248. params->mac_addr[5]);
  2249. wb_data[1] = ((params->mac_addr[0] << 8) |
  2250. params->mac_addr[1]);
  2251. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2252. /* mac control */
  2253. val = 0x3;
  2254. if (is_lb) {
  2255. val |= 0x4;
  2256. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2257. }
  2258. wb_data[0] = val;
  2259. wb_data[1] = 0;
  2260. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2261. /* set rx mtu */
  2262. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2263. wb_data[1] = 0;
  2264. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2265. bnx2x_update_pfc_bmac1(params, vars);
  2266. /* set tx mtu */
  2267. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2268. wb_data[1] = 0;
  2269. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2270. /* set cnt max size */
  2271. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2272. wb_data[1] = 0;
  2273. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2274. /* configure safc */
  2275. wb_data[0] = 0x1000200;
  2276. wb_data[1] = 0;
  2277. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2278. wb_data, 2);
  2279. return 0;
  2280. }
  2281. static int bnx2x_bmac2_enable(struct link_params *params,
  2282. struct link_vars *vars,
  2283. u8 is_lb)
  2284. {
  2285. struct bnx2x *bp = params->bp;
  2286. u8 port = params->port;
  2287. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2288. NIG_REG_INGRESS_BMAC0_MEM;
  2289. u32 wb_data[2];
  2290. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2291. wb_data[0] = 0;
  2292. wb_data[1] = 0;
  2293. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2294. udelay(30);
  2295. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2296. wb_data[0] = 0x3c;
  2297. wb_data[1] = 0;
  2298. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2299. wb_data, 2);
  2300. udelay(30);
  2301. /* tx MAC SA */
  2302. wb_data[0] = ((params->mac_addr[2] << 24) |
  2303. (params->mac_addr[3] << 16) |
  2304. (params->mac_addr[4] << 8) |
  2305. params->mac_addr[5]);
  2306. wb_data[1] = ((params->mac_addr[0] << 8) |
  2307. params->mac_addr[1]);
  2308. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2309. wb_data, 2);
  2310. udelay(30);
  2311. /* Configure SAFC */
  2312. wb_data[0] = 0x1000200;
  2313. wb_data[1] = 0;
  2314. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2315. wb_data, 2);
  2316. udelay(30);
  2317. /* set rx mtu */
  2318. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2319. wb_data[1] = 0;
  2320. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2321. udelay(30);
  2322. /* set tx mtu */
  2323. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2324. wb_data[1] = 0;
  2325. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2326. udelay(30);
  2327. /* set cnt max size */
  2328. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2329. wb_data[1] = 0;
  2330. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2331. udelay(30);
  2332. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2333. return 0;
  2334. }
  2335. static int bnx2x_bmac_enable(struct link_params *params,
  2336. struct link_vars *vars,
  2337. u8 is_lb)
  2338. {
  2339. int rc = 0;
  2340. u8 port = params->port;
  2341. struct bnx2x *bp = params->bp;
  2342. u32 val;
  2343. /* reset and unreset the BigMac */
  2344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2345. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2346. msleep(1);
  2347. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2348. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2349. /* enable access for bmac registers */
  2350. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2351. /* Enable BMAC according to BMAC type*/
  2352. if (CHIP_IS_E2(bp))
  2353. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2354. else
  2355. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2356. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2357. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2358. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2359. val = 0;
  2360. if ((params->feature_config_flags &
  2361. FEATURE_CONFIG_PFC_ENABLED) ||
  2362. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2363. val = 1;
  2364. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2365. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2366. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2369. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2370. vars->mac_type = MAC_TYPE_BMAC;
  2371. return rc;
  2372. }
  2373. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2374. {
  2375. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2376. NIG_REG_INGRESS_BMAC0_MEM;
  2377. u32 wb_data[2];
  2378. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2379. /* Only if the bmac is out of reset */
  2380. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2381. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2382. nig_bmac_enable) {
  2383. if (CHIP_IS_E2(bp)) {
  2384. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2385. REG_RD_DMAE(bp, bmac_addr +
  2386. BIGMAC2_REGISTER_BMAC_CONTROL,
  2387. wb_data, 2);
  2388. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2389. REG_WR_DMAE(bp, bmac_addr +
  2390. BIGMAC2_REGISTER_BMAC_CONTROL,
  2391. wb_data, 2);
  2392. } else {
  2393. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2394. REG_RD_DMAE(bp, bmac_addr +
  2395. BIGMAC_REGISTER_BMAC_CONTROL,
  2396. wb_data, 2);
  2397. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2398. REG_WR_DMAE(bp, bmac_addr +
  2399. BIGMAC_REGISTER_BMAC_CONTROL,
  2400. wb_data, 2);
  2401. }
  2402. msleep(1);
  2403. }
  2404. }
  2405. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2406. u32 line_speed)
  2407. {
  2408. struct bnx2x *bp = params->bp;
  2409. u8 port = params->port;
  2410. u32 init_crd, crd;
  2411. u32 count = 1000;
  2412. /* disable port */
  2413. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2414. /* wait for init credit */
  2415. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2416. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2417. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2418. while ((init_crd != crd) && count) {
  2419. msleep(5);
  2420. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2421. count--;
  2422. }
  2423. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2424. if (init_crd != crd) {
  2425. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2426. init_crd, crd);
  2427. return -EINVAL;
  2428. }
  2429. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2430. line_speed == SPEED_10 ||
  2431. line_speed == SPEED_100 ||
  2432. line_speed == SPEED_1000 ||
  2433. line_speed == SPEED_2500) {
  2434. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2435. /* update threshold */
  2436. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2437. /* update init credit */
  2438. init_crd = 778; /* (800-18-4) */
  2439. } else {
  2440. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2441. ETH_OVREHEAD)/16;
  2442. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2443. /* update threshold */
  2444. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2445. /* update init credit */
  2446. switch (line_speed) {
  2447. case SPEED_10000:
  2448. init_crd = thresh + 553 - 22;
  2449. break;
  2450. default:
  2451. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2452. line_speed);
  2453. return -EINVAL;
  2454. }
  2455. }
  2456. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2457. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2458. line_speed, init_crd);
  2459. /* probe the credit changes */
  2460. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2461. msleep(5);
  2462. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2463. /* enable port */
  2464. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2465. return 0;
  2466. }
  2467. /**
  2468. * bnx2x_get_emac_base - retrive emac base address
  2469. *
  2470. * @bp: driver handle
  2471. * @mdc_mdio_access: access type
  2472. * @port: port id
  2473. *
  2474. * This function selects the MDC/MDIO access (through emac0 or
  2475. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2476. * phy has a default access mode, which could also be overridden
  2477. * by nvram configuration. This parameter, whether this is the
  2478. * default phy configuration, or the nvram overrun
  2479. * configuration, is passed here as mdc_mdio_access and selects
  2480. * the emac_base for the CL45 read/writes operations
  2481. */
  2482. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2483. u32 mdc_mdio_access, u8 port)
  2484. {
  2485. u32 emac_base = 0;
  2486. switch (mdc_mdio_access) {
  2487. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2488. break;
  2489. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2490. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2491. emac_base = GRCBASE_EMAC1;
  2492. else
  2493. emac_base = GRCBASE_EMAC0;
  2494. break;
  2495. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2496. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2497. emac_base = GRCBASE_EMAC0;
  2498. else
  2499. emac_base = GRCBASE_EMAC1;
  2500. break;
  2501. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2502. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2503. break;
  2504. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2505. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2506. break;
  2507. default:
  2508. break;
  2509. }
  2510. return emac_base;
  2511. }
  2512. /******************************************************************/
  2513. /* CL22 access functions */
  2514. /******************************************************************/
  2515. static int bnx2x_cl22_write(struct bnx2x *bp,
  2516. struct bnx2x_phy *phy,
  2517. u16 reg, u16 val)
  2518. {
  2519. u32 tmp, mode;
  2520. u8 i;
  2521. int rc = 0;
  2522. /* Switch to CL22 */
  2523. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2524. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2525. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2526. /* address */
  2527. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2528. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2529. EMAC_MDIO_COMM_START_BUSY);
  2530. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2531. for (i = 0; i < 50; i++) {
  2532. udelay(10);
  2533. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2534. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2535. udelay(5);
  2536. break;
  2537. }
  2538. }
  2539. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2540. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2541. rc = -EFAULT;
  2542. }
  2543. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2544. return rc;
  2545. }
  2546. static int bnx2x_cl22_read(struct bnx2x *bp,
  2547. struct bnx2x_phy *phy,
  2548. u16 reg, u16 *ret_val)
  2549. {
  2550. u32 val, mode;
  2551. u16 i;
  2552. int rc = 0;
  2553. /* Switch to CL22 */
  2554. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2555. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2556. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2557. /* address */
  2558. val = ((phy->addr << 21) | (reg << 16) |
  2559. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2560. EMAC_MDIO_COMM_START_BUSY);
  2561. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2562. for (i = 0; i < 50; i++) {
  2563. udelay(10);
  2564. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2565. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2566. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2567. udelay(5);
  2568. break;
  2569. }
  2570. }
  2571. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2572. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2573. *ret_val = 0;
  2574. rc = -EFAULT;
  2575. }
  2576. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2577. return rc;
  2578. }
  2579. /******************************************************************/
  2580. /* CL45 access functions */
  2581. /******************************************************************/
  2582. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2583. u8 devad, u16 reg, u16 *ret_val)
  2584. {
  2585. u32 val;
  2586. u16 i;
  2587. int rc = 0;
  2588. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2589. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2590. EMAC_MDIO_STATUS_10MB);
  2591. /* address */
  2592. val = ((phy->addr << 21) | (devad << 16) | reg |
  2593. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2594. EMAC_MDIO_COMM_START_BUSY);
  2595. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2596. for (i = 0; i < 50; i++) {
  2597. udelay(10);
  2598. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2599. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2600. udelay(5);
  2601. break;
  2602. }
  2603. }
  2604. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2605. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2606. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2607. *ret_val = 0;
  2608. rc = -EFAULT;
  2609. } else {
  2610. /* data */
  2611. val = ((phy->addr << 21) | (devad << 16) |
  2612. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2613. EMAC_MDIO_COMM_START_BUSY);
  2614. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2615. for (i = 0; i < 50; i++) {
  2616. udelay(10);
  2617. val = REG_RD(bp, phy->mdio_ctrl +
  2618. EMAC_REG_EMAC_MDIO_COMM);
  2619. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2620. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2621. break;
  2622. }
  2623. }
  2624. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2625. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2626. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2627. *ret_val = 0;
  2628. rc = -EFAULT;
  2629. }
  2630. }
  2631. /* Work around for E3 A0 */
  2632. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2633. phy->flags ^= FLAGS_DUMMY_READ;
  2634. if (phy->flags & FLAGS_DUMMY_READ) {
  2635. u16 temp_val;
  2636. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2637. }
  2638. }
  2639. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2640. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2641. EMAC_MDIO_STATUS_10MB);
  2642. return rc;
  2643. }
  2644. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2645. u8 devad, u16 reg, u16 val)
  2646. {
  2647. u32 tmp;
  2648. u8 i;
  2649. int rc = 0;
  2650. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2651. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2652. EMAC_MDIO_STATUS_10MB);
  2653. /* address */
  2654. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2655. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2656. EMAC_MDIO_COMM_START_BUSY);
  2657. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2658. for (i = 0; i < 50; i++) {
  2659. udelay(10);
  2660. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2661. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2662. udelay(5);
  2663. break;
  2664. }
  2665. }
  2666. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2667. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2668. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2669. rc = -EFAULT;
  2670. } else {
  2671. /* data */
  2672. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2673. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2674. EMAC_MDIO_COMM_START_BUSY);
  2675. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2676. for (i = 0; i < 50; i++) {
  2677. udelay(10);
  2678. tmp = REG_RD(bp, phy->mdio_ctrl +
  2679. EMAC_REG_EMAC_MDIO_COMM);
  2680. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2681. udelay(5);
  2682. break;
  2683. }
  2684. }
  2685. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2686. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2687. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2688. rc = -EFAULT;
  2689. }
  2690. }
  2691. /* Work around for E3 A0 */
  2692. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2693. phy->flags ^= FLAGS_DUMMY_READ;
  2694. if (phy->flags & FLAGS_DUMMY_READ) {
  2695. u16 temp_val;
  2696. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2697. }
  2698. }
  2699. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2700. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2701. EMAC_MDIO_STATUS_10MB);
  2702. return rc;
  2703. }
  2704. /******************************************************************/
  2705. /* BSC access functions from E3 */
  2706. /******************************************************************/
  2707. static void bnx2x_bsc_module_sel(struct link_params *params)
  2708. {
  2709. int idx;
  2710. u32 board_cfg, sfp_ctrl;
  2711. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2712. struct bnx2x *bp = params->bp;
  2713. u8 port = params->port;
  2714. /* Read I2C output PINs */
  2715. board_cfg = REG_RD(bp, params->shmem_base +
  2716. offsetof(struct shmem_region,
  2717. dev_info.shared_hw_config.board));
  2718. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2719. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2720. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2721. /* Read I2C output value */
  2722. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2723. offsetof(struct shmem_region,
  2724. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2725. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2726. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2727. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2728. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2729. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2730. }
  2731. static int bnx2x_bsc_read(struct link_params *params,
  2732. struct bnx2x_phy *phy,
  2733. u8 sl_devid,
  2734. u16 sl_addr,
  2735. u8 lc_addr,
  2736. u8 xfer_cnt,
  2737. u32 *data_array)
  2738. {
  2739. u32 val, i;
  2740. int rc = 0;
  2741. struct bnx2x *bp = params->bp;
  2742. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2743. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2744. return -EINVAL;
  2745. }
  2746. if (xfer_cnt > 16) {
  2747. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2748. xfer_cnt);
  2749. return -EINVAL;
  2750. }
  2751. bnx2x_bsc_module_sel(params);
  2752. xfer_cnt = 16 - lc_addr;
  2753. /* enable the engine */
  2754. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2755. val |= MCPR_IMC_COMMAND_ENABLE;
  2756. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2757. /* program slave device ID */
  2758. val = (sl_devid << 16) | sl_addr;
  2759. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2760. /* start xfer with 0 byte to update the address pointer ???*/
  2761. val = (MCPR_IMC_COMMAND_ENABLE) |
  2762. (MCPR_IMC_COMMAND_WRITE_OP <<
  2763. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2764. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2765. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2766. /* poll for completion */
  2767. i = 0;
  2768. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2769. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2770. udelay(10);
  2771. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2772. if (i++ > 1000) {
  2773. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2774. i);
  2775. rc = -EFAULT;
  2776. break;
  2777. }
  2778. }
  2779. if (rc == -EFAULT)
  2780. return rc;
  2781. /* start xfer with read op */
  2782. val = (MCPR_IMC_COMMAND_ENABLE) |
  2783. (MCPR_IMC_COMMAND_READ_OP <<
  2784. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2785. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2786. (xfer_cnt);
  2787. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2788. /* poll for completion */
  2789. i = 0;
  2790. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2791. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2792. udelay(10);
  2793. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2794. if (i++ > 1000) {
  2795. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2796. rc = -EFAULT;
  2797. break;
  2798. }
  2799. }
  2800. if (rc == -EFAULT)
  2801. return rc;
  2802. for (i = (lc_addr >> 2); i < 4; i++) {
  2803. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2804. #ifdef __BIG_ENDIAN
  2805. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2806. ((data_array[i] & 0x0000ff00) << 8) |
  2807. ((data_array[i] & 0x00ff0000) >> 8) |
  2808. ((data_array[i] & 0xff000000) >> 24);
  2809. #endif
  2810. }
  2811. return rc;
  2812. }
  2813. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2814. u8 devad, u16 reg, u16 or_val)
  2815. {
  2816. u16 val;
  2817. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2818. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2819. }
  2820. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2821. u8 devad, u16 reg, u16 *ret_val)
  2822. {
  2823. u8 phy_index;
  2824. /*
  2825. * Probe for the phy according to the given phy_addr, and execute
  2826. * the read request on it
  2827. */
  2828. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2829. if (params->phy[phy_index].addr == phy_addr) {
  2830. return bnx2x_cl45_read(params->bp,
  2831. &params->phy[phy_index], devad,
  2832. reg, ret_val);
  2833. }
  2834. }
  2835. return -EINVAL;
  2836. }
  2837. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2838. u8 devad, u16 reg, u16 val)
  2839. {
  2840. u8 phy_index;
  2841. /*
  2842. * Probe for the phy according to the given phy_addr, and execute
  2843. * the write request on it
  2844. */
  2845. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2846. if (params->phy[phy_index].addr == phy_addr) {
  2847. return bnx2x_cl45_write(params->bp,
  2848. &params->phy[phy_index], devad,
  2849. reg, val);
  2850. }
  2851. }
  2852. return -EINVAL;
  2853. }
  2854. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2855. struct link_params *params)
  2856. {
  2857. u8 lane = 0;
  2858. struct bnx2x *bp = params->bp;
  2859. u32 path_swap, path_swap_ovr;
  2860. u8 path, port;
  2861. path = BP_PATH(bp);
  2862. port = params->port;
  2863. if (bnx2x_is_4_port_mode(bp)) {
  2864. u32 port_swap, port_swap_ovr;
  2865. /*figure out path swap value */
  2866. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2867. if (path_swap_ovr & 0x1)
  2868. path_swap = (path_swap_ovr & 0x2);
  2869. else
  2870. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2871. if (path_swap)
  2872. path = path ^ 1;
  2873. /*figure out port swap value */
  2874. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2875. if (port_swap_ovr & 0x1)
  2876. port_swap = (port_swap_ovr & 0x2);
  2877. else
  2878. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2879. if (port_swap)
  2880. port = port ^ 1;
  2881. lane = (port<<1) + path;
  2882. } else { /* two port mode - no port swap */
  2883. /*figure out path swap value */
  2884. path_swap_ovr =
  2885. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2886. if (path_swap_ovr & 0x1) {
  2887. path_swap = (path_swap_ovr & 0x2);
  2888. } else {
  2889. path_swap =
  2890. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2891. }
  2892. if (path_swap)
  2893. path = path ^ 1;
  2894. lane = path << 1 ;
  2895. }
  2896. return lane;
  2897. }
  2898. static void bnx2x_set_aer_mmd(struct link_params *params,
  2899. struct bnx2x_phy *phy)
  2900. {
  2901. u32 ser_lane;
  2902. u16 offset, aer_val;
  2903. struct bnx2x *bp = params->bp;
  2904. ser_lane = ((params->lane_config &
  2905. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2907. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2908. (phy->addr + ser_lane) : 0;
  2909. if (USES_WARPCORE(bp)) {
  2910. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2911. /*
  2912. * In Dual-lane mode, two lanes are joined together,
  2913. * so in order to configure them, the AER broadcast method is
  2914. * used here.
  2915. * 0x200 is the broadcast address for lanes 0,1
  2916. * 0x201 is the broadcast address for lanes 2,3
  2917. */
  2918. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2919. aer_val = (aer_val >> 1) | 0x200;
  2920. } else if (CHIP_IS_E2(bp))
  2921. aer_val = 0x3800 + offset - 1;
  2922. else
  2923. aer_val = 0x3800 + offset;
  2924. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2925. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2926. MDIO_AER_BLOCK_AER_REG, aer_val);
  2927. }
  2928. /******************************************************************/
  2929. /* Internal phy section */
  2930. /******************************************************************/
  2931. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2932. {
  2933. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2934. /* Set Clause 22 */
  2935. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2936. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2937. udelay(500);
  2938. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2939. udelay(500);
  2940. /* Set Clause 45 */
  2941. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2942. }
  2943. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2944. {
  2945. u32 val;
  2946. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2947. val = SERDES_RESET_BITS << (port*16);
  2948. /* reset and unreset the SerDes/XGXS */
  2949. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2950. udelay(500);
  2951. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2952. bnx2x_set_serdes_access(bp, port);
  2953. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2954. DEFAULT_PHY_DEV_ADDR);
  2955. }
  2956. static void bnx2x_xgxs_deassert(struct link_params *params)
  2957. {
  2958. struct bnx2x *bp = params->bp;
  2959. u8 port;
  2960. u32 val;
  2961. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2962. port = params->port;
  2963. val = XGXS_RESET_BITS << (port*16);
  2964. /* reset and unreset the SerDes/XGXS */
  2965. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2966. udelay(500);
  2967. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2968. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2969. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2970. params->phy[INT_PHY].def_md_devad);
  2971. }
  2972. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2973. struct link_params *params, u16 *ieee_fc)
  2974. {
  2975. struct bnx2x *bp = params->bp;
  2976. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2977. /**
  2978. * resolve pause mode and advertisement Please refer to Table
  2979. * 28B-3 of the 802.3ab-1999 spec
  2980. */
  2981. switch (phy->req_flow_ctrl) {
  2982. case BNX2X_FLOW_CTRL_AUTO:
  2983. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2985. else
  2986. *ieee_fc |=
  2987. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2988. break;
  2989. case BNX2X_FLOW_CTRL_TX:
  2990. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2991. break;
  2992. case BNX2X_FLOW_CTRL_RX:
  2993. case BNX2X_FLOW_CTRL_BOTH:
  2994. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2995. break;
  2996. case BNX2X_FLOW_CTRL_NONE:
  2997. default:
  2998. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2999. break;
  3000. }
  3001. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3002. }
  3003. static void set_phy_vars(struct link_params *params,
  3004. struct link_vars *vars)
  3005. {
  3006. struct bnx2x *bp = params->bp;
  3007. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3008. u8 phy_config_swapped = params->multi_phy_config &
  3009. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3010. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3011. phy_index++) {
  3012. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3013. actual_phy_idx = phy_index;
  3014. if (phy_config_swapped) {
  3015. if (phy_index == EXT_PHY1)
  3016. actual_phy_idx = EXT_PHY2;
  3017. else if (phy_index == EXT_PHY2)
  3018. actual_phy_idx = EXT_PHY1;
  3019. }
  3020. params->phy[actual_phy_idx].req_flow_ctrl =
  3021. params->req_flow_ctrl[link_cfg_idx];
  3022. params->phy[actual_phy_idx].req_line_speed =
  3023. params->req_line_speed[link_cfg_idx];
  3024. params->phy[actual_phy_idx].speed_cap_mask =
  3025. params->speed_cap_mask[link_cfg_idx];
  3026. params->phy[actual_phy_idx].req_duplex =
  3027. params->req_duplex[link_cfg_idx];
  3028. if (params->req_line_speed[link_cfg_idx] ==
  3029. SPEED_AUTO_NEG)
  3030. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3031. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3032. " speed_cap_mask %x\n",
  3033. params->phy[actual_phy_idx].req_flow_ctrl,
  3034. params->phy[actual_phy_idx].req_line_speed,
  3035. params->phy[actual_phy_idx].speed_cap_mask);
  3036. }
  3037. }
  3038. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3039. struct bnx2x_phy *phy,
  3040. struct link_vars *vars)
  3041. {
  3042. u16 val;
  3043. struct bnx2x *bp = params->bp;
  3044. /* read modify write pause advertizing */
  3045. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3046. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3047. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3048. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3049. if ((vars->ieee_fc &
  3050. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3051. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3052. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3053. }
  3054. if ((vars->ieee_fc &
  3055. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3056. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3057. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3058. }
  3059. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3060. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3061. }
  3062. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3063. { /* LD LP */
  3064. switch (pause_result) { /* ASYM P ASYM P */
  3065. case 0xb: /* 1 0 1 1 */
  3066. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3067. break;
  3068. case 0xe: /* 1 1 1 0 */
  3069. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3070. break;
  3071. case 0x5: /* 0 1 0 1 */
  3072. case 0x7: /* 0 1 1 1 */
  3073. case 0xd: /* 1 1 0 1 */
  3074. case 0xf: /* 1 1 1 1 */
  3075. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3076. break;
  3077. default:
  3078. break;
  3079. }
  3080. if (pause_result & (1<<0))
  3081. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3082. if (pause_result & (1<<1))
  3083. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3084. }
  3085. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3086. struct link_params *params,
  3087. struct link_vars *vars)
  3088. {
  3089. struct bnx2x *bp = params->bp;
  3090. u16 ld_pause; /* local */
  3091. u16 lp_pause; /* link partner */
  3092. u16 pause_result;
  3093. u8 ret = 0;
  3094. /* read twice */
  3095. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3096. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3097. vars->flow_ctrl = phy->req_flow_ctrl;
  3098. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3099. vars->flow_ctrl = params->req_fc_auto_adv;
  3100. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3101. ret = 1;
  3102. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3103. bnx2x_cl22_read(bp, phy,
  3104. 0x4, &ld_pause);
  3105. bnx2x_cl22_read(bp, phy,
  3106. 0x5, &lp_pause);
  3107. } else {
  3108. bnx2x_cl45_read(bp, phy,
  3109. MDIO_AN_DEVAD,
  3110. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3111. bnx2x_cl45_read(bp, phy,
  3112. MDIO_AN_DEVAD,
  3113. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3114. }
  3115. pause_result = (ld_pause &
  3116. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3117. pause_result |= (lp_pause &
  3118. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3119. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3120. pause_result);
  3121. bnx2x_pause_resolve(vars, pause_result);
  3122. }
  3123. return ret;
  3124. }
  3125. /******************************************************************/
  3126. /* Warpcore section */
  3127. /******************************************************************/
  3128. /* The init_internal_warpcore should mirror the xgxs,
  3129. * i.e. reset the lane (if needed), set aer for the
  3130. * init configuration, and set/clear SGMII flag. Internal
  3131. * phy init is done purely in phy_init stage.
  3132. */
  3133. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3134. struct link_params *params,
  3135. struct link_vars *vars) {
  3136. u16 val16 = 0, lane, bam37 = 0;
  3137. struct bnx2x *bp = params->bp;
  3138. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3139. /* Check adding advertisement for 1G KX */
  3140. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3141. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3142. (vars->line_speed == SPEED_1000)) {
  3143. u16 sd_digital;
  3144. val16 |= (1<<5);
  3145. /* Enable CL37 1G Parallel Detect */
  3146. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3147. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3148. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3149. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3150. (sd_digital | 0x1));
  3151. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3152. }
  3153. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3154. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3155. (vars->line_speed == SPEED_10000)) {
  3156. /* Check adding advertisement for 10G KR */
  3157. val16 |= (1<<7);
  3158. /* Enable 10G Parallel Detect */
  3159. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3160. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3161. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3162. }
  3163. /* Set Transmit PMD settings */
  3164. lane = bnx2x_get_warpcore_lane(phy, params);
  3165. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3166. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3167. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3168. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3169. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3170. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3171. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3172. 0x03f0);
  3173. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3174. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3175. 0x03f0);
  3176. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3177. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3178. 0x383f);
  3179. /* Advertised speeds */
  3180. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3181. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3182. /* Advertised and set FEC (Forward Error Correction) */
  3183. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3184. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3185. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3186. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3187. /* Enable CL37 BAM */
  3188. if (REG_RD(bp, params->shmem_base +
  3189. offsetof(struct shmem_region, dev_info.
  3190. port_hw_config[params->port].default_cfg)) &
  3191. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3192. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3193. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3194. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3195. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3196. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3197. }
  3198. /* Advertise pause */
  3199. bnx2x_ext_phy_set_pause(params, phy, vars);
  3200. /* Enable Autoneg */
  3201. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3202. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3203. /* Over 1G - AN local device user page 1 */
  3204. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3205. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3206. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3207. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3208. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3209. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3210. }
  3211. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3212. struct link_params *params,
  3213. struct link_vars *vars)
  3214. {
  3215. struct bnx2x *bp = params->bp;
  3216. u16 val;
  3217. /* Disable Autoneg */
  3218. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3220. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3221. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3222. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3223. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3224. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3225. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3226. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3227. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3228. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3230. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3232. /* Disable CL36 PCS Tx */
  3233. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3234. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3235. /* Double Wide Single Data Rate @ pll rate */
  3236. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3237. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3238. /* Leave cl72 training enable, needed for KR */
  3239. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3240. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3241. 0x2);
  3242. /* Leave CL72 enabled */
  3243. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3245. &val);
  3246. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3248. val | 0x3800);
  3249. /* Set speed via PMA/PMD register */
  3250. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3251. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3252. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3253. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3254. /*Enable encoded forced speed */
  3255. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3256. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3257. /* Turn TX scramble payload only the 64/66 scrambler */
  3258. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3259. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3260. /* Turn RX scramble payload only the 64/66 scrambler */
  3261. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3263. /* set and clear loopback to cause a reset to 64/66 decoder */
  3264. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3266. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3268. }
  3269. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3270. struct link_params *params,
  3271. u8 is_xfi)
  3272. {
  3273. struct bnx2x *bp = params->bp;
  3274. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3275. /* Hold rxSeqStart */
  3276. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3278. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3280. /* Hold tx_fifo_reset */
  3281. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3282. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3285. /* Disable CL73 AN */
  3286. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3287. /* Disable 100FX Enable and Auto-Detect */
  3288. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_FX100_CTRL1, &val);
  3290. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3292. /* Disable 100FX Idle detect */
  3293. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_FX100_CTRL3, &val);
  3295. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3297. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3299. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3300. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3302. /* Turn off auto-detect & fiber mode */
  3303. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3305. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3307. (val & 0xFFEE));
  3308. /* Set filter_force_link, disable_false_link and parallel_detect */
  3309. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3311. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3312. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3313. ((val | 0x0006) & 0xFFFE));
  3314. /* Set XFI / SFI */
  3315. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3317. misc1_val &= ~(0x1f);
  3318. if (is_xfi) {
  3319. misc1_val |= 0x5;
  3320. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3321. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3322. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3323. tx_driver_val =
  3324. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3325. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3326. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3327. } else {
  3328. misc1_val |= 0x9;
  3329. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3330. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3331. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3332. tx_driver_val =
  3333. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3334. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3335. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3336. }
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3339. /* Set Transmit PMD settings */
  3340. lane = bnx2x_get_warpcore_lane(phy, params);
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_TX_FIR_TAP,
  3343. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3346. tx_driver_val);
  3347. /* Enable fiber mode, enable and invert sig_det */
  3348. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3349. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3352. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3353. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3357. /* 10G XFI Full Duplex */
  3358. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3360. /* Release tx_fifo_reset */
  3361. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3363. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3365. /* Release rxSeqStart */
  3366. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3367. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3370. }
  3371. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3372. struct bnx2x_phy *phy)
  3373. {
  3374. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3375. }
  3376. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3377. struct bnx2x_phy *phy,
  3378. u16 lane)
  3379. {
  3380. /* Rx0 anaRxControl1G */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3383. /* Rx2 anaRxControl1G */
  3384. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3385. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3390. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3391. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3402. /* Serdes Digital Misc1 */
  3403. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3404. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3405. /* Serdes Digital4 Misc3 */
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3408. /* Set Transmit PMD settings */
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_TX_FIR_TAP,
  3411. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3412. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3413. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3414. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3415. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3417. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3418. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3419. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3420. }
  3421. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3422. struct link_params *params,
  3423. u8 fiber_mode)
  3424. {
  3425. struct bnx2x *bp = params->bp;
  3426. u16 val16, digctrl_kx1, digctrl_kx2;
  3427. u8 lane;
  3428. lane = bnx2x_get_warpcore_lane(phy, params);
  3429. /* Clear XFI clock comp in non-10G single lane mode. */
  3430. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_RX66_CONTROL, &val16);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3434. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3435. /* SGMII Autoneg */
  3436. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3438. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3440. val16 | 0x1000);
  3441. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3442. } else {
  3443. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3445. val16 &= 0xcfbf;
  3446. switch (phy->req_line_speed) {
  3447. case SPEED_10:
  3448. break;
  3449. case SPEED_100:
  3450. val16 |= 0x2000;
  3451. break;
  3452. case SPEED_1000:
  3453. val16 |= 0x0040;
  3454. break;
  3455. default:
  3456. DP(NETIF_MSG_LINK,
  3457. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3458. return;
  3459. }
  3460. if (phy->req_duplex == DUPLEX_FULL)
  3461. val16 |= 0x0100;
  3462. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3464. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3465. phy->req_line_speed);
  3466. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3468. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3469. }
  3470. /* SGMII Slave mode and disable signal detect */
  3471. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3473. if (fiber_mode)
  3474. digctrl_kx1 = 1;
  3475. else
  3476. digctrl_kx1 &= 0xff4a;
  3477. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3479. digctrl_kx1);
  3480. /* Turn off parallel detect */
  3481. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3483. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3484. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3485. (digctrl_kx2 & ~(1<<2)));
  3486. /* Re-enable parallel detect */
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3489. (digctrl_kx2 | (1<<2)));
  3490. /* Enable autodet */
  3491. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3493. (digctrl_kx1 | 0x10));
  3494. }
  3495. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3496. struct bnx2x_phy *phy,
  3497. u8 reset)
  3498. {
  3499. u16 val;
  3500. /* Take lane out of reset after configuration is finished */
  3501. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3503. if (reset)
  3504. val |= 0xC000;
  3505. else
  3506. val &= 0x3FFF;
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3509. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3511. }
  3512. /* Clear SFI/XFI link settings registers */
  3513. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3514. struct link_params *params,
  3515. u16 lane)
  3516. {
  3517. struct bnx2x *bp = params->bp;
  3518. u16 val16;
  3519. /* Set XFI clock comp as default. */
  3520. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_RX66_CONTROL, &val16);
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3524. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3525. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3540. lane = bnx2x_get_warpcore_lane(phy, params);
  3541. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3543. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3545. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3546. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3549. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3550. }
  3551. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3552. u32 chip_id,
  3553. u32 shmem_base, u8 port,
  3554. u8 *gpio_num, u8 *gpio_port)
  3555. {
  3556. u32 cfg_pin;
  3557. *gpio_num = 0;
  3558. *gpio_port = 0;
  3559. if (CHIP_IS_E3(bp)) {
  3560. cfg_pin = (REG_RD(bp, shmem_base +
  3561. offsetof(struct shmem_region,
  3562. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3563. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3564. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3565. /*
  3566. * Should not happen. This function called upon interrupt
  3567. * triggered by GPIO ( since EPIO can only generate interrupts
  3568. * to MCP).
  3569. * So if this function was called and none of the GPIOs was set,
  3570. * it means the shit hit the fan.
  3571. */
  3572. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3573. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3574. DP(NETIF_MSG_LINK,
  3575. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3576. cfg_pin);
  3577. return -EINVAL;
  3578. }
  3579. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3580. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3581. } else {
  3582. *gpio_num = MISC_REGISTERS_GPIO_3;
  3583. *gpio_port = port;
  3584. }
  3585. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3586. return 0;
  3587. }
  3588. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3589. struct link_params *params)
  3590. {
  3591. struct bnx2x *bp = params->bp;
  3592. u8 gpio_num, gpio_port;
  3593. u32 gpio_val;
  3594. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3595. params->shmem_base, params->port,
  3596. &gpio_num, &gpio_port) != 0)
  3597. return 0;
  3598. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3599. /* Call the handling function in case module is detected */
  3600. if (gpio_val == 0)
  3601. return 1;
  3602. else
  3603. return 0;
  3604. }
  3605. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3606. struct link_params *params,
  3607. struct link_vars *vars)
  3608. {
  3609. struct bnx2x *bp = params->bp;
  3610. u32 serdes_net_if;
  3611. u8 fiber_mode;
  3612. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3613. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3614. offsetof(struct shmem_region, dev_info.
  3615. port_hw_config[params->port].default_cfg)) &
  3616. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3617. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3618. "serdes_net_if = 0x%x\n",
  3619. vars->line_speed, serdes_net_if);
  3620. bnx2x_set_aer_mmd(params, phy);
  3621. vars->phy_flags |= PHY_XGXS_FLAG;
  3622. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3623. (phy->req_line_speed &&
  3624. ((phy->req_line_speed == SPEED_100) ||
  3625. (phy->req_line_speed == SPEED_10)))) {
  3626. vars->phy_flags |= PHY_SGMII_FLAG;
  3627. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3628. bnx2x_warpcore_clear_regs(phy, params, lane);
  3629. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3630. } else {
  3631. switch (serdes_net_if) {
  3632. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3633. /* Enable KR Auto Neg */
  3634. if (params->loopback_mode == LOOPBACK_NONE)
  3635. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3636. else {
  3637. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3638. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3639. }
  3640. break;
  3641. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3642. bnx2x_warpcore_clear_regs(phy, params, lane);
  3643. if (vars->line_speed == SPEED_10000) {
  3644. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3645. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3646. } else {
  3647. if (SINGLE_MEDIA_DIRECT(params)) {
  3648. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3649. fiber_mode = 1;
  3650. } else {
  3651. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3652. fiber_mode = 0;
  3653. }
  3654. bnx2x_warpcore_set_sgmii_speed(phy,
  3655. params,
  3656. fiber_mode);
  3657. }
  3658. break;
  3659. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3660. bnx2x_warpcore_clear_regs(phy, params, lane);
  3661. if (vars->line_speed == SPEED_10000) {
  3662. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3663. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3664. } else if (vars->line_speed == SPEED_1000) {
  3665. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3666. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3667. }
  3668. /* Issue Module detection */
  3669. if (bnx2x_is_sfp_module_plugged(phy, params))
  3670. bnx2x_sfp_module_detection(phy, params);
  3671. break;
  3672. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3673. if (vars->line_speed != SPEED_20000) {
  3674. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3675. return;
  3676. }
  3677. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3678. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3679. /* Issue Module detection */
  3680. bnx2x_sfp_module_detection(phy, params);
  3681. break;
  3682. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3683. if (vars->line_speed != SPEED_20000) {
  3684. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3685. return;
  3686. }
  3687. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3688. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3689. break;
  3690. default:
  3691. DP(NETIF_MSG_LINK,
  3692. "Unsupported Serdes Net Interface 0x%x\n",
  3693. serdes_net_if);
  3694. return;
  3695. }
  3696. }
  3697. /* Take lane out of reset after configuration is finished */
  3698. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3699. DP(NETIF_MSG_LINK, "Exit config init\n");
  3700. }
  3701. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3702. struct bnx2x_phy *phy,
  3703. u8 tx_en)
  3704. {
  3705. struct bnx2x *bp = params->bp;
  3706. u32 cfg_pin;
  3707. u8 port = params->port;
  3708. cfg_pin = REG_RD(bp, params->shmem_base +
  3709. offsetof(struct shmem_region,
  3710. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3711. PORT_HW_CFG_TX_LASER_MASK;
  3712. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3713. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3714. /* For 20G, the expected pin to be used is 3 pins after the current */
  3715. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3716. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3717. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3718. }
  3719. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3720. struct link_params *params)
  3721. {
  3722. struct bnx2x *bp = params->bp;
  3723. u16 val16;
  3724. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3725. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3726. bnx2x_set_aer_mmd(params, phy);
  3727. /* Global register */
  3728. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3729. /* Clear loopback settings (if any) */
  3730. /* 10G & 20G */
  3731. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3732. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3733. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3734. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3735. 0xBFFF);
  3736. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3737. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3738. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3739. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3740. /* Update those 1-copy registers */
  3741. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3742. MDIO_AER_BLOCK_AER_REG, 0);
  3743. /* Enable 1G MDIO (1-copy) */
  3744. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3745. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3746. &val16);
  3747. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3748. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3749. val16 & ~0x10);
  3750. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3751. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3752. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3753. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3754. val16 & 0xff00);
  3755. }
  3756. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3757. struct link_params *params)
  3758. {
  3759. struct bnx2x *bp = params->bp;
  3760. u16 val16;
  3761. u32 lane;
  3762. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3763. params->loopback_mode, phy->req_line_speed);
  3764. if (phy->req_line_speed < SPEED_10000) {
  3765. /* 10/100/1000 */
  3766. /* Update those 1-copy registers */
  3767. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3768. MDIO_AER_BLOCK_AER_REG, 0);
  3769. /* Enable 1G MDIO (1-copy) */
  3770. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3771. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3772. &val16);
  3773. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3774. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3775. val16 | 0x10);
  3776. /* Set 1G loopback based on lane (1-copy) */
  3777. lane = bnx2x_get_warpcore_lane(phy, params);
  3778. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3779. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3780. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3781. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3782. val16 | (1<<lane));
  3783. /* Switch back to 4-copy registers */
  3784. bnx2x_set_aer_mmd(params, phy);
  3785. /* Global loopback, not recommended. */
  3786. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3787. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3788. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3789. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3790. 0x4000);
  3791. } else {
  3792. /* 10G & 20G */
  3793. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3794. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3795. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3796. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3797. 0x4000);
  3798. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3799. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3800. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3801. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3802. }
  3803. }
  3804. void bnx2x_link_status_update(struct link_params *params,
  3805. struct link_vars *vars)
  3806. {
  3807. struct bnx2x *bp = params->bp;
  3808. u8 link_10g_plus;
  3809. u8 port = params->port;
  3810. u32 sync_offset, media_types;
  3811. /* Update PHY configuration */
  3812. set_phy_vars(params, vars);
  3813. vars->link_status = REG_RD(bp, params->shmem_base +
  3814. offsetof(struct shmem_region,
  3815. port_mb[port].link_status));
  3816. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3817. vars->phy_flags = PHY_XGXS_FLAG;
  3818. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3819. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3820. if (vars->link_up) {
  3821. DP(NETIF_MSG_LINK, "phy link up\n");
  3822. vars->phy_link_up = 1;
  3823. vars->duplex = DUPLEX_FULL;
  3824. switch (vars->link_status &
  3825. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3826. case LINK_10THD:
  3827. vars->duplex = DUPLEX_HALF;
  3828. /* fall thru */
  3829. case LINK_10TFD:
  3830. vars->line_speed = SPEED_10;
  3831. break;
  3832. case LINK_100TXHD:
  3833. vars->duplex = DUPLEX_HALF;
  3834. /* fall thru */
  3835. case LINK_100T4:
  3836. case LINK_100TXFD:
  3837. vars->line_speed = SPEED_100;
  3838. break;
  3839. case LINK_1000THD:
  3840. vars->duplex = DUPLEX_HALF;
  3841. /* fall thru */
  3842. case LINK_1000TFD:
  3843. vars->line_speed = SPEED_1000;
  3844. break;
  3845. case LINK_2500THD:
  3846. vars->duplex = DUPLEX_HALF;
  3847. /* fall thru */
  3848. case LINK_2500TFD:
  3849. vars->line_speed = SPEED_2500;
  3850. break;
  3851. case LINK_10GTFD:
  3852. vars->line_speed = SPEED_10000;
  3853. break;
  3854. case LINK_20GTFD:
  3855. vars->line_speed = SPEED_20000;
  3856. break;
  3857. default:
  3858. break;
  3859. }
  3860. vars->flow_ctrl = 0;
  3861. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3862. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3863. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3864. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3865. if (!vars->flow_ctrl)
  3866. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3867. if (vars->line_speed &&
  3868. ((vars->line_speed == SPEED_10) ||
  3869. (vars->line_speed == SPEED_100))) {
  3870. vars->phy_flags |= PHY_SGMII_FLAG;
  3871. } else {
  3872. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3873. }
  3874. if (vars->line_speed &&
  3875. USES_WARPCORE(bp) &&
  3876. (vars->line_speed == SPEED_1000))
  3877. vars->phy_flags |= PHY_SGMII_FLAG;
  3878. /* anything 10 and over uses the bmac */
  3879. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3880. if (link_10g_plus) {
  3881. if (USES_WARPCORE(bp))
  3882. vars->mac_type = MAC_TYPE_XMAC;
  3883. else
  3884. vars->mac_type = MAC_TYPE_BMAC;
  3885. } else {
  3886. if (USES_WARPCORE(bp))
  3887. vars->mac_type = MAC_TYPE_UMAC;
  3888. else
  3889. vars->mac_type = MAC_TYPE_EMAC;
  3890. }
  3891. } else { /* link down */
  3892. DP(NETIF_MSG_LINK, "phy link down\n");
  3893. vars->phy_link_up = 0;
  3894. vars->line_speed = 0;
  3895. vars->duplex = DUPLEX_FULL;
  3896. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3897. /* indicate no mac active */
  3898. vars->mac_type = MAC_TYPE_NONE;
  3899. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3900. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3901. }
  3902. /* Sync media type */
  3903. sync_offset = params->shmem_base +
  3904. offsetof(struct shmem_region,
  3905. dev_info.port_hw_config[port].media_type);
  3906. media_types = REG_RD(bp, sync_offset);
  3907. params->phy[INT_PHY].media_type =
  3908. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3909. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3910. params->phy[EXT_PHY1].media_type =
  3911. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3912. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3913. params->phy[EXT_PHY2].media_type =
  3914. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3915. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3916. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3917. /* Sync AEU offset */
  3918. sync_offset = params->shmem_base +
  3919. offsetof(struct shmem_region,
  3920. dev_info.port_hw_config[port].aeu_int_mask);
  3921. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3922. /* Sync PFC status */
  3923. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3924. params->feature_config_flags |=
  3925. FEATURE_CONFIG_PFC_ENABLED;
  3926. else
  3927. params->feature_config_flags &=
  3928. ~FEATURE_CONFIG_PFC_ENABLED;
  3929. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3930. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3931. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3932. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3933. }
  3934. static void bnx2x_set_master_ln(struct link_params *params,
  3935. struct bnx2x_phy *phy)
  3936. {
  3937. struct bnx2x *bp = params->bp;
  3938. u16 new_master_ln, ser_lane;
  3939. ser_lane = ((params->lane_config &
  3940. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3941. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3942. /* set the master_ln for AN */
  3943. CL22_RD_OVER_CL45(bp, phy,
  3944. MDIO_REG_BANK_XGXS_BLOCK2,
  3945. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3946. &new_master_ln);
  3947. CL22_WR_OVER_CL45(bp, phy,
  3948. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3949. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3950. (new_master_ln | ser_lane));
  3951. }
  3952. static int bnx2x_reset_unicore(struct link_params *params,
  3953. struct bnx2x_phy *phy,
  3954. u8 set_serdes)
  3955. {
  3956. struct bnx2x *bp = params->bp;
  3957. u16 mii_control;
  3958. u16 i;
  3959. CL22_RD_OVER_CL45(bp, phy,
  3960. MDIO_REG_BANK_COMBO_IEEE0,
  3961. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3962. /* reset the unicore */
  3963. CL22_WR_OVER_CL45(bp, phy,
  3964. MDIO_REG_BANK_COMBO_IEEE0,
  3965. MDIO_COMBO_IEEE0_MII_CONTROL,
  3966. (mii_control |
  3967. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3968. if (set_serdes)
  3969. bnx2x_set_serdes_access(bp, params->port);
  3970. /* wait for the reset to self clear */
  3971. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3972. udelay(5);
  3973. /* the reset erased the previous bank value */
  3974. CL22_RD_OVER_CL45(bp, phy,
  3975. MDIO_REG_BANK_COMBO_IEEE0,
  3976. MDIO_COMBO_IEEE0_MII_CONTROL,
  3977. &mii_control);
  3978. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3979. udelay(5);
  3980. return 0;
  3981. }
  3982. }
  3983. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3984. " Port %d\n",
  3985. params->port);
  3986. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3987. return -EINVAL;
  3988. }
  3989. static void bnx2x_set_swap_lanes(struct link_params *params,
  3990. struct bnx2x_phy *phy)
  3991. {
  3992. struct bnx2x *bp = params->bp;
  3993. /*
  3994. * Each two bits represents a lane number:
  3995. * No swap is 0123 => 0x1b no need to enable the swap
  3996. */
  3997. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3998. ser_lane = ((params->lane_config &
  3999. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4000. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4001. rx_lane_swap = ((params->lane_config &
  4002. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4003. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4004. tx_lane_swap = ((params->lane_config &
  4005. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4006. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4007. if (rx_lane_swap != 0x1b) {
  4008. CL22_WR_OVER_CL45(bp, phy,
  4009. MDIO_REG_BANK_XGXS_BLOCK2,
  4010. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4011. (rx_lane_swap |
  4012. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4013. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4014. } else {
  4015. CL22_WR_OVER_CL45(bp, phy,
  4016. MDIO_REG_BANK_XGXS_BLOCK2,
  4017. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4018. }
  4019. if (tx_lane_swap != 0x1b) {
  4020. CL22_WR_OVER_CL45(bp, phy,
  4021. MDIO_REG_BANK_XGXS_BLOCK2,
  4022. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4023. (tx_lane_swap |
  4024. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4025. } else {
  4026. CL22_WR_OVER_CL45(bp, phy,
  4027. MDIO_REG_BANK_XGXS_BLOCK2,
  4028. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4029. }
  4030. }
  4031. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4032. struct link_params *params)
  4033. {
  4034. struct bnx2x *bp = params->bp;
  4035. u16 control2;
  4036. CL22_RD_OVER_CL45(bp, phy,
  4037. MDIO_REG_BANK_SERDES_DIGITAL,
  4038. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4039. &control2);
  4040. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4041. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4042. else
  4043. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4044. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4045. phy->speed_cap_mask, control2);
  4046. CL22_WR_OVER_CL45(bp, phy,
  4047. MDIO_REG_BANK_SERDES_DIGITAL,
  4048. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4049. control2);
  4050. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4051. (phy->speed_cap_mask &
  4052. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4053. DP(NETIF_MSG_LINK, "XGXS\n");
  4054. CL22_WR_OVER_CL45(bp, phy,
  4055. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4056. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4057. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4058. CL22_RD_OVER_CL45(bp, phy,
  4059. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4060. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4061. &control2);
  4062. control2 |=
  4063. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4064. CL22_WR_OVER_CL45(bp, phy,
  4065. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4066. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4067. control2);
  4068. /* Disable parallel detection of HiG */
  4069. CL22_WR_OVER_CL45(bp, phy,
  4070. MDIO_REG_BANK_XGXS_BLOCK2,
  4071. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4072. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4073. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4074. }
  4075. }
  4076. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4077. struct link_params *params,
  4078. struct link_vars *vars,
  4079. u8 enable_cl73)
  4080. {
  4081. struct bnx2x *bp = params->bp;
  4082. u16 reg_val;
  4083. /* CL37 Autoneg */
  4084. CL22_RD_OVER_CL45(bp, phy,
  4085. MDIO_REG_BANK_COMBO_IEEE0,
  4086. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4087. /* CL37 Autoneg Enabled */
  4088. if (vars->line_speed == SPEED_AUTO_NEG)
  4089. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4090. else /* CL37 Autoneg Disabled */
  4091. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4092. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4093. CL22_WR_OVER_CL45(bp, phy,
  4094. MDIO_REG_BANK_COMBO_IEEE0,
  4095. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4096. /* Enable/Disable Autodetection */
  4097. CL22_RD_OVER_CL45(bp, phy,
  4098. MDIO_REG_BANK_SERDES_DIGITAL,
  4099. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4100. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4101. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4102. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4103. if (vars->line_speed == SPEED_AUTO_NEG)
  4104. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4105. else
  4106. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4107. CL22_WR_OVER_CL45(bp, phy,
  4108. MDIO_REG_BANK_SERDES_DIGITAL,
  4109. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4110. /* Enable TetonII and BAM autoneg */
  4111. CL22_RD_OVER_CL45(bp, phy,
  4112. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4113. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4114. &reg_val);
  4115. if (vars->line_speed == SPEED_AUTO_NEG) {
  4116. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4117. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4118. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4119. } else {
  4120. /* TetonII and BAM Autoneg Disabled */
  4121. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4122. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4123. }
  4124. CL22_WR_OVER_CL45(bp, phy,
  4125. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4126. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4127. reg_val);
  4128. if (enable_cl73) {
  4129. /* Enable Cl73 FSM status bits */
  4130. CL22_WR_OVER_CL45(bp, phy,
  4131. MDIO_REG_BANK_CL73_USERB0,
  4132. MDIO_CL73_USERB0_CL73_UCTRL,
  4133. 0xe);
  4134. /* Enable BAM Station Manager*/
  4135. CL22_WR_OVER_CL45(bp, phy,
  4136. MDIO_REG_BANK_CL73_USERB0,
  4137. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4138. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4139. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4140. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4141. /* Advertise CL73 link speeds */
  4142. CL22_RD_OVER_CL45(bp, phy,
  4143. MDIO_REG_BANK_CL73_IEEEB1,
  4144. MDIO_CL73_IEEEB1_AN_ADV2,
  4145. &reg_val);
  4146. if (phy->speed_cap_mask &
  4147. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4148. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4149. if (phy->speed_cap_mask &
  4150. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4151. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4152. CL22_WR_OVER_CL45(bp, phy,
  4153. MDIO_REG_BANK_CL73_IEEEB1,
  4154. MDIO_CL73_IEEEB1_AN_ADV2,
  4155. reg_val);
  4156. /* CL73 Autoneg Enabled */
  4157. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4158. } else /* CL73 Autoneg Disabled */
  4159. reg_val = 0;
  4160. CL22_WR_OVER_CL45(bp, phy,
  4161. MDIO_REG_BANK_CL73_IEEEB0,
  4162. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4163. }
  4164. /* program SerDes, forced speed */
  4165. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4166. struct link_params *params,
  4167. struct link_vars *vars)
  4168. {
  4169. struct bnx2x *bp = params->bp;
  4170. u16 reg_val;
  4171. /* program duplex, disable autoneg and sgmii*/
  4172. CL22_RD_OVER_CL45(bp, phy,
  4173. MDIO_REG_BANK_COMBO_IEEE0,
  4174. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4175. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4176. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4177. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4178. if (phy->req_duplex == DUPLEX_FULL)
  4179. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4180. CL22_WR_OVER_CL45(bp, phy,
  4181. MDIO_REG_BANK_COMBO_IEEE0,
  4182. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4183. /*
  4184. * program speed
  4185. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4186. */
  4187. CL22_RD_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_SERDES_DIGITAL,
  4189. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4190. /* clearing the speed value before setting the right speed */
  4191. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4192. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4193. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4194. if (!((vars->line_speed == SPEED_1000) ||
  4195. (vars->line_speed == SPEED_100) ||
  4196. (vars->line_speed == SPEED_10))) {
  4197. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4198. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4199. if (vars->line_speed == SPEED_10000)
  4200. reg_val |=
  4201. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4202. }
  4203. CL22_WR_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_SERDES_DIGITAL,
  4205. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4206. }
  4207. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4208. struct link_params *params)
  4209. {
  4210. struct bnx2x *bp = params->bp;
  4211. u16 val = 0;
  4212. /* configure the 48 bits for BAM AN */
  4213. /* set extended capabilities */
  4214. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4215. val |= MDIO_OVER_1G_UP1_2_5G;
  4216. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4217. val |= MDIO_OVER_1G_UP1_10G;
  4218. CL22_WR_OVER_CL45(bp, phy,
  4219. MDIO_REG_BANK_OVER_1G,
  4220. MDIO_OVER_1G_UP1, val);
  4221. CL22_WR_OVER_CL45(bp, phy,
  4222. MDIO_REG_BANK_OVER_1G,
  4223. MDIO_OVER_1G_UP3, 0x400);
  4224. }
  4225. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4226. struct link_params *params,
  4227. u16 ieee_fc)
  4228. {
  4229. struct bnx2x *bp = params->bp;
  4230. u16 val;
  4231. /* for AN, we are always publishing full duplex */
  4232. CL22_WR_OVER_CL45(bp, phy,
  4233. MDIO_REG_BANK_COMBO_IEEE0,
  4234. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4235. CL22_RD_OVER_CL45(bp, phy,
  4236. MDIO_REG_BANK_CL73_IEEEB1,
  4237. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4238. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4239. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4240. CL22_WR_OVER_CL45(bp, phy,
  4241. MDIO_REG_BANK_CL73_IEEEB1,
  4242. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4243. }
  4244. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4245. struct link_params *params,
  4246. u8 enable_cl73)
  4247. {
  4248. struct bnx2x *bp = params->bp;
  4249. u16 mii_control;
  4250. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4251. /* Enable and restart BAM/CL37 aneg */
  4252. if (enable_cl73) {
  4253. CL22_RD_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_CL73_IEEEB0,
  4255. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4256. &mii_control);
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_CL73_IEEEB0,
  4259. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4260. (mii_control |
  4261. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4262. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4263. } else {
  4264. CL22_RD_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_COMBO_IEEE0,
  4266. MDIO_COMBO_IEEE0_MII_CONTROL,
  4267. &mii_control);
  4268. DP(NETIF_MSG_LINK,
  4269. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4270. mii_control);
  4271. CL22_WR_OVER_CL45(bp, phy,
  4272. MDIO_REG_BANK_COMBO_IEEE0,
  4273. MDIO_COMBO_IEEE0_MII_CONTROL,
  4274. (mii_control |
  4275. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4276. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4277. }
  4278. }
  4279. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4280. struct link_params *params,
  4281. struct link_vars *vars)
  4282. {
  4283. struct bnx2x *bp = params->bp;
  4284. u16 control1;
  4285. /* in SGMII mode, the unicore is always slave */
  4286. CL22_RD_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_SERDES_DIGITAL,
  4288. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4289. &control1);
  4290. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4291. /* set sgmii mode (and not fiber) */
  4292. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4293. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4294. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4295. CL22_WR_OVER_CL45(bp, phy,
  4296. MDIO_REG_BANK_SERDES_DIGITAL,
  4297. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4298. control1);
  4299. /* if forced speed */
  4300. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4301. /* set speed, disable autoneg */
  4302. u16 mii_control;
  4303. CL22_RD_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_COMBO_IEEE0,
  4305. MDIO_COMBO_IEEE0_MII_CONTROL,
  4306. &mii_control);
  4307. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4308. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4309. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4310. switch (vars->line_speed) {
  4311. case SPEED_100:
  4312. mii_control |=
  4313. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4314. break;
  4315. case SPEED_1000:
  4316. mii_control |=
  4317. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4318. break;
  4319. case SPEED_10:
  4320. /* there is nothing to set for 10M */
  4321. break;
  4322. default:
  4323. /* invalid speed for SGMII */
  4324. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4325. vars->line_speed);
  4326. break;
  4327. }
  4328. /* setting the full duplex */
  4329. if (phy->req_duplex == DUPLEX_FULL)
  4330. mii_control |=
  4331. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4332. CL22_WR_OVER_CL45(bp, phy,
  4333. MDIO_REG_BANK_COMBO_IEEE0,
  4334. MDIO_COMBO_IEEE0_MII_CONTROL,
  4335. mii_control);
  4336. } else { /* AN mode */
  4337. /* enable and restart AN */
  4338. bnx2x_restart_autoneg(phy, params, 0);
  4339. }
  4340. }
  4341. /*
  4342. * link management
  4343. */
  4344. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4345. struct link_params *params)
  4346. {
  4347. struct bnx2x *bp = params->bp;
  4348. u16 pd_10g, status2_1000x;
  4349. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4350. return 0;
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_SERDES_DIGITAL,
  4353. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4354. &status2_1000x);
  4355. CL22_RD_OVER_CL45(bp, phy,
  4356. MDIO_REG_BANK_SERDES_DIGITAL,
  4357. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4358. &status2_1000x);
  4359. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4360. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4361. params->port);
  4362. return 1;
  4363. }
  4364. CL22_RD_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4366. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4367. &pd_10g);
  4368. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4369. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4370. params->port);
  4371. return 1;
  4372. }
  4373. return 0;
  4374. }
  4375. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4376. struct link_params *params,
  4377. struct link_vars *vars,
  4378. u32 gp_status)
  4379. {
  4380. struct bnx2x *bp = params->bp;
  4381. u16 ld_pause; /* local driver */
  4382. u16 lp_pause; /* link partner */
  4383. u16 pause_result;
  4384. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4385. /* resolve from gp_status in case of AN complete and not sgmii */
  4386. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4387. vars->flow_ctrl = phy->req_flow_ctrl;
  4388. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4389. vars->flow_ctrl = params->req_fc_auto_adv;
  4390. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4391. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4392. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4393. vars->flow_ctrl = params->req_fc_auto_adv;
  4394. return;
  4395. }
  4396. if ((gp_status &
  4397. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4398. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4399. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4400. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4401. CL22_RD_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_CL73_IEEEB1,
  4403. MDIO_CL73_IEEEB1_AN_ADV1,
  4404. &ld_pause);
  4405. CL22_RD_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_CL73_IEEEB1,
  4407. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4408. &lp_pause);
  4409. pause_result = (ld_pause &
  4410. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4411. >> 8;
  4412. pause_result |= (lp_pause &
  4413. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4414. >> 10;
  4415. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4416. pause_result);
  4417. } else {
  4418. CL22_RD_OVER_CL45(bp, phy,
  4419. MDIO_REG_BANK_COMBO_IEEE0,
  4420. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4421. &ld_pause);
  4422. CL22_RD_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_COMBO_IEEE0,
  4424. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4425. &lp_pause);
  4426. pause_result = (ld_pause &
  4427. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4428. pause_result |= (lp_pause &
  4429. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4430. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4431. pause_result);
  4432. }
  4433. bnx2x_pause_resolve(vars, pause_result);
  4434. }
  4435. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4436. }
  4437. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4438. struct link_params *params)
  4439. {
  4440. struct bnx2x *bp = params->bp;
  4441. u16 rx_status, ustat_val, cl37_fsm_received;
  4442. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4443. /* Step 1: Make sure signal is detected */
  4444. CL22_RD_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_RX0,
  4446. MDIO_RX0_RX_STATUS,
  4447. &rx_status);
  4448. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4449. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4450. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4451. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4452. CL22_WR_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_CL73_IEEEB0,
  4454. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4455. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4456. return;
  4457. }
  4458. /* Step 2: Check CL73 state machine */
  4459. CL22_RD_OVER_CL45(bp, phy,
  4460. MDIO_REG_BANK_CL73_USERB0,
  4461. MDIO_CL73_USERB0_CL73_USTAT1,
  4462. &ustat_val);
  4463. if ((ustat_val &
  4464. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4465. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4466. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4467. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4468. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4469. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4470. return;
  4471. }
  4472. /*
  4473. * Step 3: Check CL37 Message Pages received to indicate LP
  4474. * supports only CL37
  4475. */
  4476. CL22_RD_OVER_CL45(bp, phy,
  4477. MDIO_REG_BANK_REMOTE_PHY,
  4478. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4479. &cl37_fsm_received);
  4480. if ((cl37_fsm_received &
  4481. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4482. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4483. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4484. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4485. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4486. "misc_rx_status(0x8330) = 0x%x\n",
  4487. cl37_fsm_received);
  4488. return;
  4489. }
  4490. /*
  4491. * The combined cl37/cl73 fsm state information indicating that
  4492. * we are connected to a device which does not support cl73, but
  4493. * does support cl37 BAM. In this case we disable cl73 and
  4494. * restart cl37 auto-neg
  4495. */
  4496. /* Disable CL73 */
  4497. CL22_WR_OVER_CL45(bp, phy,
  4498. MDIO_REG_BANK_CL73_IEEEB0,
  4499. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4500. 0);
  4501. /* Restart CL37 autoneg */
  4502. bnx2x_restart_autoneg(phy, params, 0);
  4503. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4504. }
  4505. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4506. struct link_params *params,
  4507. struct link_vars *vars,
  4508. u32 gp_status)
  4509. {
  4510. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4511. vars->link_status |=
  4512. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4513. if (bnx2x_direct_parallel_detect_used(phy, params))
  4514. vars->link_status |=
  4515. LINK_STATUS_PARALLEL_DETECTION_USED;
  4516. }
  4517. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4518. struct link_params *params,
  4519. struct link_vars *vars,
  4520. u16 is_link_up,
  4521. u16 speed_mask,
  4522. u16 is_duplex)
  4523. {
  4524. struct bnx2x *bp = params->bp;
  4525. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4526. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4527. if (is_link_up) {
  4528. DP(NETIF_MSG_LINK, "phy link up\n");
  4529. vars->phy_link_up = 1;
  4530. vars->link_status |= LINK_STATUS_LINK_UP;
  4531. switch (speed_mask) {
  4532. case GP_STATUS_10M:
  4533. vars->line_speed = SPEED_10;
  4534. if (vars->duplex == DUPLEX_FULL)
  4535. vars->link_status |= LINK_10TFD;
  4536. else
  4537. vars->link_status |= LINK_10THD;
  4538. break;
  4539. case GP_STATUS_100M:
  4540. vars->line_speed = SPEED_100;
  4541. if (vars->duplex == DUPLEX_FULL)
  4542. vars->link_status |= LINK_100TXFD;
  4543. else
  4544. vars->link_status |= LINK_100TXHD;
  4545. break;
  4546. case GP_STATUS_1G:
  4547. case GP_STATUS_1G_KX:
  4548. vars->line_speed = SPEED_1000;
  4549. if (vars->duplex == DUPLEX_FULL)
  4550. vars->link_status |= LINK_1000TFD;
  4551. else
  4552. vars->link_status |= LINK_1000THD;
  4553. break;
  4554. case GP_STATUS_2_5G:
  4555. vars->line_speed = SPEED_2500;
  4556. if (vars->duplex == DUPLEX_FULL)
  4557. vars->link_status |= LINK_2500TFD;
  4558. else
  4559. vars->link_status |= LINK_2500THD;
  4560. break;
  4561. case GP_STATUS_5G:
  4562. case GP_STATUS_6G:
  4563. DP(NETIF_MSG_LINK,
  4564. "link speed unsupported gp_status 0x%x\n",
  4565. speed_mask);
  4566. return -EINVAL;
  4567. case GP_STATUS_10G_KX4:
  4568. case GP_STATUS_10G_HIG:
  4569. case GP_STATUS_10G_CX4:
  4570. case GP_STATUS_10G_KR:
  4571. case GP_STATUS_10G_SFI:
  4572. case GP_STATUS_10G_XFI:
  4573. vars->line_speed = SPEED_10000;
  4574. vars->link_status |= LINK_10GTFD;
  4575. break;
  4576. case GP_STATUS_20G_DXGXS:
  4577. vars->line_speed = SPEED_20000;
  4578. vars->link_status |= LINK_20GTFD;
  4579. break;
  4580. default:
  4581. DP(NETIF_MSG_LINK,
  4582. "link speed unsupported gp_status 0x%x\n",
  4583. speed_mask);
  4584. return -EINVAL;
  4585. }
  4586. } else { /* link_down */
  4587. DP(NETIF_MSG_LINK, "phy link down\n");
  4588. vars->phy_link_up = 0;
  4589. vars->duplex = DUPLEX_FULL;
  4590. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4591. vars->mac_type = MAC_TYPE_NONE;
  4592. }
  4593. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4594. vars->phy_link_up, vars->line_speed);
  4595. return 0;
  4596. }
  4597. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4598. struct link_params *params,
  4599. struct link_vars *vars)
  4600. {
  4601. struct bnx2x *bp = params->bp;
  4602. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4603. int rc = 0;
  4604. /* Read gp_status */
  4605. CL22_RD_OVER_CL45(bp, phy,
  4606. MDIO_REG_BANK_GP_STATUS,
  4607. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4608. &gp_status);
  4609. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4610. duplex = DUPLEX_FULL;
  4611. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4612. link_up = 1;
  4613. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4614. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4615. gp_status, link_up, speed_mask);
  4616. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4617. duplex);
  4618. if (rc == -EINVAL)
  4619. return rc;
  4620. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4621. if (SINGLE_MEDIA_DIRECT(params)) {
  4622. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4623. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4624. bnx2x_xgxs_an_resolve(phy, params, vars,
  4625. gp_status);
  4626. }
  4627. } else { /* link_down */
  4628. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4629. SINGLE_MEDIA_DIRECT(params)) {
  4630. /* Check signal is detected */
  4631. bnx2x_check_fallback_to_cl37(phy, params);
  4632. }
  4633. }
  4634. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4635. vars->duplex, vars->flow_ctrl, vars->link_status);
  4636. return rc;
  4637. }
  4638. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4639. struct link_params *params,
  4640. struct link_vars *vars)
  4641. {
  4642. struct bnx2x *bp = params->bp;
  4643. u8 lane;
  4644. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4645. int rc = 0;
  4646. lane = bnx2x_get_warpcore_lane(phy, params);
  4647. /* Read gp_status */
  4648. if (phy->req_line_speed > SPEED_10000) {
  4649. u16 temp_link_up;
  4650. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4651. 1, &temp_link_up);
  4652. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4653. 1, &link_up);
  4654. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4655. temp_link_up, link_up);
  4656. link_up &= (1<<2);
  4657. if (link_up)
  4658. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4659. } else {
  4660. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4661. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4662. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4663. /* Check for either KR or generic link up. */
  4664. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4665. ((gp_status1 >> 12) & 0xf);
  4666. link_up = gp_status1 & (1 << lane);
  4667. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4668. u16 pd, gp_status4;
  4669. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4670. /* Check Autoneg complete */
  4671. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4672. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4673. &gp_status4);
  4674. if (gp_status4 & ((1<<12)<<lane))
  4675. vars->link_status |=
  4676. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4677. /* Check parallel detect used */
  4678. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4679. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4680. &pd);
  4681. if (pd & (1<<15))
  4682. vars->link_status |=
  4683. LINK_STATUS_PARALLEL_DETECTION_USED;
  4684. }
  4685. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4686. }
  4687. }
  4688. if (lane < 2) {
  4689. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4690. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4691. } else {
  4692. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4693. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4694. }
  4695. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4696. if ((lane & 1) == 0)
  4697. gp_speed <<= 8;
  4698. gp_speed &= 0x3f00;
  4699. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4700. duplex);
  4701. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4702. vars->duplex, vars->flow_ctrl, vars->link_status);
  4703. return rc;
  4704. }
  4705. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4706. {
  4707. struct bnx2x *bp = params->bp;
  4708. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4709. u16 lp_up2;
  4710. u16 tx_driver;
  4711. u16 bank;
  4712. /* read precomp */
  4713. CL22_RD_OVER_CL45(bp, phy,
  4714. MDIO_REG_BANK_OVER_1G,
  4715. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4716. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4717. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4718. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4719. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4720. if (lp_up2 == 0)
  4721. return;
  4722. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4723. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4724. CL22_RD_OVER_CL45(bp, phy,
  4725. bank,
  4726. MDIO_TX0_TX_DRIVER, &tx_driver);
  4727. /* replace tx_driver bits [15:12] */
  4728. if (lp_up2 !=
  4729. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4730. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4731. tx_driver |= lp_up2;
  4732. CL22_WR_OVER_CL45(bp, phy,
  4733. bank,
  4734. MDIO_TX0_TX_DRIVER, tx_driver);
  4735. }
  4736. }
  4737. }
  4738. static int bnx2x_emac_program(struct link_params *params,
  4739. struct link_vars *vars)
  4740. {
  4741. struct bnx2x *bp = params->bp;
  4742. u8 port = params->port;
  4743. u16 mode = 0;
  4744. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4745. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4746. EMAC_REG_EMAC_MODE,
  4747. (EMAC_MODE_25G_MODE |
  4748. EMAC_MODE_PORT_MII_10M |
  4749. EMAC_MODE_HALF_DUPLEX));
  4750. switch (vars->line_speed) {
  4751. case SPEED_10:
  4752. mode |= EMAC_MODE_PORT_MII_10M;
  4753. break;
  4754. case SPEED_100:
  4755. mode |= EMAC_MODE_PORT_MII;
  4756. break;
  4757. case SPEED_1000:
  4758. mode |= EMAC_MODE_PORT_GMII;
  4759. break;
  4760. case SPEED_2500:
  4761. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4762. break;
  4763. default:
  4764. /* 10G not valid for EMAC */
  4765. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4766. vars->line_speed);
  4767. return -EINVAL;
  4768. }
  4769. if (vars->duplex == DUPLEX_HALF)
  4770. mode |= EMAC_MODE_HALF_DUPLEX;
  4771. bnx2x_bits_en(bp,
  4772. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4773. mode);
  4774. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4775. return 0;
  4776. }
  4777. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4778. struct link_params *params)
  4779. {
  4780. u16 bank, i = 0;
  4781. struct bnx2x *bp = params->bp;
  4782. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4783. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4784. CL22_WR_OVER_CL45(bp, phy,
  4785. bank,
  4786. MDIO_RX0_RX_EQ_BOOST,
  4787. phy->rx_preemphasis[i]);
  4788. }
  4789. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4790. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4791. CL22_WR_OVER_CL45(bp, phy,
  4792. bank,
  4793. MDIO_TX0_TX_DRIVER,
  4794. phy->tx_preemphasis[i]);
  4795. }
  4796. }
  4797. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4798. struct link_params *params,
  4799. struct link_vars *vars)
  4800. {
  4801. struct bnx2x *bp = params->bp;
  4802. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4803. (params->loopback_mode == LOOPBACK_XGXS));
  4804. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4805. if (SINGLE_MEDIA_DIRECT(params) &&
  4806. (params->feature_config_flags &
  4807. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4808. bnx2x_set_preemphasis(phy, params);
  4809. /* forced speed requested? */
  4810. if (vars->line_speed != SPEED_AUTO_NEG ||
  4811. (SINGLE_MEDIA_DIRECT(params) &&
  4812. params->loopback_mode == LOOPBACK_EXT)) {
  4813. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4814. /* disable autoneg */
  4815. bnx2x_set_autoneg(phy, params, vars, 0);
  4816. /* program speed and duplex */
  4817. bnx2x_program_serdes(phy, params, vars);
  4818. } else { /* AN_mode */
  4819. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4820. /* AN enabled */
  4821. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4822. /* program duplex & pause advertisement (for aneg) */
  4823. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4824. vars->ieee_fc);
  4825. /* enable autoneg */
  4826. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4827. /* enable and restart AN */
  4828. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4829. }
  4830. } else { /* SGMII mode */
  4831. DP(NETIF_MSG_LINK, "SGMII\n");
  4832. bnx2x_initialize_sgmii_process(phy, params, vars);
  4833. }
  4834. }
  4835. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4836. struct link_params *params,
  4837. struct link_vars *vars)
  4838. {
  4839. int rc;
  4840. vars->phy_flags |= PHY_XGXS_FLAG;
  4841. if ((phy->req_line_speed &&
  4842. ((phy->req_line_speed == SPEED_100) ||
  4843. (phy->req_line_speed == SPEED_10))) ||
  4844. (!phy->req_line_speed &&
  4845. (phy->speed_cap_mask >=
  4846. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4847. (phy->speed_cap_mask <
  4848. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4849. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4850. vars->phy_flags |= PHY_SGMII_FLAG;
  4851. else
  4852. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4853. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4854. bnx2x_set_aer_mmd(params, phy);
  4855. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4856. bnx2x_set_master_ln(params, phy);
  4857. rc = bnx2x_reset_unicore(params, phy, 0);
  4858. /* reset the SerDes and wait for reset bit return low */
  4859. if (rc != 0)
  4860. return rc;
  4861. bnx2x_set_aer_mmd(params, phy);
  4862. /* setting the masterLn_def again after the reset */
  4863. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4864. bnx2x_set_master_ln(params, phy);
  4865. bnx2x_set_swap_lanes(params, phy);
  4866. }
  4867. return rc;
  4868. }
  4869. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4870. struct bnx2x_phy *phy,
  4871. struct link_params *params)
  4872. {
  4873. u16 cnt, ctrl;
  4874. /* Wait for soft reset to get cleared up to 1 sec */
  4875. for (cnt = 0; cnt < 1000; cnt++) {
  4876. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4877. bnx2x_cl22_read(bp, phy,
  4878. MDIO_PMA_REG_CTRL, &ctrl);
  4879. else
  4880. bnx2x_cl45_read(bp, phy,
  4881. MDIO_PMA_DEVAD,
  4882. MDIO_PMA_REG_CTRL, &ctrl);
  4883. if (!(ctrl & (1<<15)))
  4884. break;
  4885. msleep(1);
  4886. }
  4887. if (cnt == 1000)
  4888. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4889. " Port %d\n",
  4890. params->port);
  4891. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4892. return cnt;
  4893. }
  4894. static void bnx2x_link_int_enable(struct link_params *params)
  4895. {
  4896. u8 port = params->port;
  4897. u32 mask;
  4898. struct bnx2x *bp = params->bp;
  4899. /* Setting the status to report on link up for either XGXS or SerDes */
  4900. if (CHIP_IS_E3(bp)) {
  4901. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4902. if (!(SINGLE_MEDIA_DIRECT(params)))
  4903. mask |= NIG_MASK_MI_INT;
  4904. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4905. mask = (NIG_MASK_XGXS0_LINK10G |
  4906. NIG_MASK_XGXS0_LINK_STATUS);
  4907. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4908. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4909. params->phy[INT_PHY].type !=
  4910. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4911. mask |= NIG_MASK_MI_INT;
  4912. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4913. }
  4914. } else { /* SerDes */
  4915. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4916. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4917. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4918. params->phy[INT_PHY].type !=
  4919. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4920. mask |= NIG_MASK_MI_INT;
  4921. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4922. }
  4923. }
  4924. bnx2x_bits_en(bp,
  4925. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4926. mask);
  4927. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4928. (params->switch_cfg == SWITCH_CFG_10G),
  4929. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4930. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4931. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4932. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4933. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4934. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4935. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4936. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4937. }
  4938. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4939. u8 exp_mi_int)
  4940. {
  4941. u32 latch_status = 0;
  4942. /*
  4943. * Disable the MI INT ( external phy int ) by writing 1 to the
  4944. * status register. Link down indication is high-active-signal,
  4945. * so in this case we need to write the status to clear the XOR
  4946. */
  4947. /* Read Latched signals */
  4948. latch_status = REG_RD(bp,
  4949. NIG_REG_LATCH_STATUS_0 + port*8);
  4950. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4951. /* Handle only those with latched-signal=up.*/
  4952. if (exp_mi_int)
  4953. bnx2x_bits_en(bp,
  4954. NIG_REG_STATUS_INTERRUPT_PORT0
  4955. + port*4,
  4956. NIG_STATUS_EMAC0_MI_INT);
  4957. else
  4958. bnx2x_bits_dis(bp,
  4959. NIG_REG_STATUS_INTERRUPT_PORT0
  4960. + port*4,
  4961. NIG_STATUS_EMAC0_MI_INT);
  4962. if (latch_status & 1) {
  4963. /* For all latched-signal=up : Re-Arm Latch signals */
  4964. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4965. (latch_status & 0xfffe) | (latch_status & 1));
  4966. }
  4967. /* For all latched-signal=up,Write original_signal to status */
  4968. }
  4969. static void bnx2x_link_int_ack(struct link_params *params,
  4970. struct link_vars *vars, u8 is_10g_plus)
  4971. {
  4972. struct bnx2x *bp = params->bp;
  4973. u8 port = params->port;
  4974. u32 mask;
  4975. /*
  4976. * First reset all status we assume only one line will be
  4977. * change at a time
  4978. */
  4979. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4980. (NIG_STATUS_XGXS0_LINK10G |
  4981. NIG_STATUS_XGXS0_LINK_STATUS |
  4982. NIG_STATUS_SERDES0_LINK_STATUS));
  4983. if (vars->phy_link_up) {
  4984. if (USES_WARPCORE(bp))
  4985. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4986. else {
  4987. if (is_10g_plus)
  4988. mask = NIG_STATUS_XGXS0_LINK10G;
  4989. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4990. /*
  4991. * Disable the link interrupt by writing 1 to
  4992. * the relevant lane in the status register
  4993. */
  4994. u32 ser_lane =
  4995. ((params->lane_config &
  4996. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4997. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4998. mask = ((1 << ser_lane) <<
  4999. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5000. } else
  5001. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5002. }
  5003. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5004. mask);
  5005. bnx2x_bits_en(bp,
  5006. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5007. mask);
  5008. }
  5009. }
  5010. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5011. {
  5012. u8 *str_ptr = str;
  5013. u32 mask = 0xf0000000;
  5014. u8 shift = 8*4;
  5015. u8 digit;
  5016. u8 remove_leading_zeros = 1;
  5017. if (*len < 10) {
  5018. /* Need more than 10chars for this format */
  5019. *str_ptr = '\0';
  5020. (*len)--;
  5021. return -EINVAL;
  5022. }
  5023. while (shift > 0) {
  5024. shift -= 4;
  5025. digit = ((num & mask) >> shift);
  5026. if (digit == 0 && remove_leading_zeros) {
  5027. mask = mask >> 4;
  5028. continue;
  5029. } else if (digit < 0xa)
  5030. *str_ptr = digit + '0';
  5031. else
  5032. *str_ptr = digit - 0xa + 'a';
  5033. remove_leading_zeros = 0;
  5034. str_ptr++;
  5035. (*len)--;
  5036. mask = mask >> 4;
  5037. if (shift == 4*4) {
  5038. *str_ptr = '.';
  5039. str_ptr++;
  5040. (*len)--;
  5041. remove_leading_zeros = 1;
  5042. }
  5043. }
  5044. return 0;
  5045. }
  5046. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5047. {
  5048. str[0] = '\0';
  5049. (*len)--;
  5050. return 0;
  5051. }
  5052. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5053. u8 *version, u16 len)
  5054. {
  5055. struct bnx2x *bp;
  5056. u32 spirom_ver = 0;
  5057. int status = 0;
  5058. u8 *ver_p = version;
  5059. u16 remain_len = len;
  5060. if (version == NULL || params == NULL)
  5061. return -EINVAL;
  5062. bp = params->bp;
  5063. /* Extract first external phy*/
  5064. version[0] = '\0';
  5065. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5066. if (params->phy[EXT_PHY1].format_fw_ver) {
  5067. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5068. ver_p,
  5069. &remain_len);
  5070. ver_p += (len - remain_len);
  5071. }
  5072. if ((params->num_phys == MAX_PHYS) &&
  5073. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5074. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5075. if (params->phy[EXT_PHY2].format_fw_ver) {
  5076. *ver_p = '/';
  5077. ver_p++;
  5078. remain_len--;
  5079. status |= params->phy[EXT_PHY2].format_fw_ver(
  5080. spirom_ver,
  5081. ver_p,
  5082. &remain_len);
  5083. ver_p = version + (len - remain_len);
  5084. }
  5085. }
  5086. *ver_p = '\0';
  5087. return status;
  5088. }
  5089. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5090. struct link_params *params)
  5091. {
  5092. u8 port = params->port;
  5093. struct bnx2x *bp = params->bp;
  5094. if (phy->req_line_speed != SPEED_1000) {
  5095. u32 md_devad = 0;
  5096. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5097. if (!CHIP_IS_E3(bp)) {
  5098. /* change the uni_phy_addr in the nig */
  5099. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5100. port*0x18));
  5101. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5102. 0x5);
  5103. }
  5104. bnx2x_cl45_write(bp, phy,
  5105. 5,
  5106. (MDIO_REG_BANK_AER_BLOCK +
  5107. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5108. 0x2800);
  5109. bnx2x_cl45_write(bp, phy,
  5110. 5,
  5111. (MDIO_REG_BANK_CL73_IEEEB0 +
  5112. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5113. 0x6041);
  5114. msleep(200);
  5115. /* set aer mmd back */
  5116. bnx2x_set_aer_mmd(params, phy);
  5117. if (!CHIP_IS_E3(bp)) {
  5118. /* and md_devad */
  5119. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5120. md_devad);
  5121. }
  5122. } else {
  5123. u16 mii_ctrl;
  5124. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5125. bnx2x_cl45_read(bp, phy, 5,
  5126. (MDIO_REG_BANK_COMBO_IEEE0 +
  5127. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5128. &mii_ctrl);
  5129. bnx2x_cl45_write(bp, phy, 5,
  5130. (MDIO_REG_BANK_COMBO_IEEE0 +
  5131. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5132. mii_ctrl |
  5133. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5134. }
  5135. }
  5136. int bnx2x_set_led(struct link_params *params,
  5137. struct link_vars *vars, u8 mode, u32 speed)
  5138. {
  5139. u8 port = params->port;
  5140. u16 hw_led_mode = params->hw_led_mode;
  5141. int rc = 0;
  5142. u8 phy_idx;
  5143. u32 tmp;
  5144. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5145. struct bnx2x *bp = params->bp;
  5146. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5147. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5148. speed, hw_led_mode);
  5149. /* In case */
  5150. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5151. if (params->phy[phy_idx].set_link_led) {
  5152. params->phy[phy_idx].set_link_led(
  5153. &params->phy[phy_idx], params, mode);
  5154. }
  5155. }
  5156. switch (mode) {
  5157. case LED_MODE_FRONT_PANEL_OFF:
  5158. case LED_MODE_OFF:
  5159. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5160. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5161. SHARED_HW_CFG_LED_MAC1);
  5162. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5163. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5164. break;
  5165. case LED_MODE_OPER:
  5166. /*
  5167. * For all other phys, OPER mode is same as ON, so in case
  5168. * link is down, do nothing
  5169. */
  5170. if (!vars->link_up)
  5171. break;
  5172. case LED_MODE_ON:
  5173. if (((params->phy[EXT_PHY1].type ==
  5174. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5175. (params->phy[EXT_PHY1].type ==
  5176. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5177. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5178. /*
  5179. * This is a work-around for E2+8727 Configurations
  5180. */
  5181. if (mode == LED_MODE_ON ||
  5182. speed == SPEED_10000){
  5183. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5184. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5185. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5186. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5187. (tmp | EMAC_LED_OVERRIDE));
  5188. /*
  5189. * return here without enabling traffic
  5190. * LED blink and setting rate in ON mode.
  5191. * In oper mode, enabling LED blink
  5192. * and setting rate is needed.
  5193. */
  5194. if (mode == LED_MODE_ON)
  5195. return rc;
  5196. }
  5197. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5198. /*
  5199. * This is a work-around for HW issue found when link
  5200. * is up in CL73
  5201. */
  5202. if ((!CHIP_IS_E3(bp)) ||
  5203. (CHIP_IS_E3(bp) &&
  5204. mode == LED_MODE_ON))
  5205. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5206. if (CHIP_IS_E1x(bp) ||
  5207. CHIP_IS_E2(bp) ||
  5208. (mode == LED_MODE_ON))
  5209. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5210. else
  5211. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5212. hw_led_mode);
  5213. } else
  5214. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5215. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5216. /* Set blinking rate to ~15.9Hz */
  5217. if (CHIP_IS_E3(bp))
  5218. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5219. LED_BLINK_RATE_VAL_E3);
  5220. else
  5221. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5222. LED_BLINK_RATE_VAL_E1X_E2);
  5223. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5224. port*4, 1);
  5225. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5226. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5227. if (CHIP_IS_E1(bp) &&
  5228. ((speed == SPEED_2500) ||
  5229. (speed == SPEED_1000) ||
  5230. (speed == SPEED_100) ||
  5231. (speed == SPEED_10))) {
  5232. /*
  5233. * On Everest 1 Ax chip versions for speeds less than
  5234. * 10G LED scheme is different
  5235. */
  5236. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5237. + port*4, 1);
  5238. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5239. port*4, 0);
  5240. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5241. port*4, 1);
  5242. }
  5243. break;
  5244. default:
  5245. rc = -EINVAL;
  5246. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5247. mode);
  5248. break;
  5249. }
  5250. return rc;
  5251. }
  5252. /*
  5253. * This function comes to reflect the actual link state read DIRECTLY from the
  5254. * HW
  5255. */
  5256. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5257. u8 is_serdes)
  5258. {
  5259. struct bnx2x *bp = params->bp;
  5260. u16 gp_status = 0, phy_index = 0;
  5261. u8 ext_phy_link_up = 0, serdes_phy_type;
  5262. struct link_vars temp_vars;
  5263. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5264. if (CHIP_IS_E3(bp)) {
  5265. u16 link_up;
  5266. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5267. > SPEED_10000) {
  5268. /* Check 20G link */
  5269. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5270. 1, &link_up);
  5271. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5272. 1, &link_up);
  5273. link_up &= (1<<2);
  5274. } else {
  5275. /* Check 10G link and below*/
  5276. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5277. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5278. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5279. &gp_status);
  5280. gp_status = ((gp_status >> 8) & 0xf) |
  5281. ((gp_status >> 12) & 0xf);
  5282. link_up = gp_status & (1 << lane);
  5283. }
  5284. if (!link_up)
  5285. return -ESRCH;
  5286. } else {
  5287. CL22_RD_OVER_CL45(bp, int_phy,
  5288. MDIO_REG_BANK_GP_STATUS,
  5289. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5290. &gp_status);
  5291. /* link is up only if both local phy and external phy are up */
  5292. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5293. return -ESRCH;
  5294. }
  5295. /* In XGXS loopback mode, do not check external PHY */
  5296. if (params->loopback_mode == LOOPBACK_XGXS)
  5297. return 0;
  5298. switch (params->num_phys) {
  5299. case 1:
  5300. /* No external PHY */
  5301. return 0;
  5302. case 2:
  5303. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5304. &params->phy[EXT_PHY1],
  5305. params, &temp_vars);
  5306. break;
  5307. case 3: /* Dual Media */
  5308. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5309. phy_index++) {
  5310. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5311. ETH_PHY_SFP_FIBER) ||
  5312. (params->phy[phy_index].media_type ==
  5313. ETH_PHY_XFP_FIBER) ||
  5314. (params->phy[phy_index].media_type ==
  5315. ETH_PHY_DA_TWINAX));
  5316. if (is_serdes != serdes_phy_type)
  5317. continue;
  5318. if (params->phy[phy_index].read_status) {
  5319. ext_phy_link_up |=
  5320. params->phy[phy_index].read_status(
  5321. &params->phy[phy_index],
  5322. params, &temp_vars);
  5323. }
  5324. }
  5325. break;
  5326. }
  5327. if (ext_phy_link_up)
  5328. return 0;
  5329. return -ESRCH;
  5330. }
  5331. static int bnx2x_link_initialize(struct link_params *params,
  5332. struct link_vars *vars)
  5333. {
  5334. int rc = 0;
  5335. u8 phy_index, non_ext_phy;
  5336. struct bnx2x *bp = params->bp;
  5337. /*
  5338. * In case of external phy existence, the line speed would be the
  5339. * line speed linked up by the external phy. In case it is direct
  5340. * only, then the line_speed during initialization will be
  5341. * equal to the req_line_speed
  5342. */
  5343. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5344. /*
  5345. * Initialize the internal phy in case this is a direct board
  5346. * (no external phys), or this board has external phy which requires
  5347. * to first.
  5348. */
  5349. if (!USES_WARPCORE(bp))
  5350. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5351. /* init ext phy and enable link state int */
  5352. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5353. (params->loopback_mode == LOOPBACK_XGXS));
  5354. if (non_ext_phy ||
  5355. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5356. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5357. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5358. if (vars->line_speed == SPEED_AUTO_NEG &&
  5359. (CHIP_IS_E1x(bp) ||
  5360. CHIP_IS_E2(bp)))
  5361. bnx2x_set_parallel_detection(phy, params);
  5362. if (params->phy[INT_PHY].config_init)
  5363. params->phy[INT_PHY].config_init(phy,
  5364. params,
  5365. vars);
  5366. }
  5367. /* Init external phy*/
  5368. if (non_ext_phy) {
  5369. if (params->phy[INT_PHY].supported &
  5370. SUPPORTED_FIBRE)
  5371. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5372. } else {
  5373. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5374. phy_index++) {
  5375. /*
  5376. * No need to initialize second phy in case of first
  5377. * phy only selection. In case of second phy, we do
  5378. * need to initialize the first phy, since they are
  5379. * connected.
  5380. */
  5381. if (params->phy[phy_index].supported &
  5382. SUPPORTED_FIBRE)
  5383. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5384. if (phy_index == EXT_PHY2 &&
  5385. (bnx2x_phy_selection(params) ==
  5386. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5387. DP(NETIF_MSG_LINK,
  5388. "Not initializing second phy\n");
  5389. continue;
  5390. }
  5391. params->phy[phy_index].config_init(
  5392. &params->phy[phy_index],
  5393. params, vars);
  5394. }
  5395. }
  5396. /* Reset the interrupt indication after phy was initialized */
  5397. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5398. params->port*4,
  5399. (NIG_STATUS_XGXS0_LINK10G |
  5400. NIG_STATUS_XGXS0_LINK_STATUS |
  5401. NIG_STATUS_SERDES0_LINK_STATUS |
  5402. NIG_MASK_MI_INT));
  5403. bnx2x_update_mng(params, vars->link_status);
  5404. return rc;
  5405. }
  5406. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5407. struct link_params *params)
  5408. {
  5409. /* reset the SerDes/XGXS */
  5410. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5411. (0x1ff << (params->port*16)));
  5412. }
  5413. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5414. struct link_params *params)
  5415. {
  5416. struct bnx2x *bp = params->bp;
  5417. u8 gpio_port;
  5418. /* HW reset */
  5419. if (CHIP_IS_E2(bp))
  5420. gpio_port = BP_PATH(bp);
  5421. else
  5422. gpio_port = params->port;
  5423. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5424. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5425. gpio_port);
  5426. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5427. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5428. gpio_port);
  5429. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5430. }
  5431. static int bnx2x_update_link_down(struct link_params *params,
  5432. struct link_vars *vars)
  5433. {
  5434. struct bnx2x *bp = params->bp;
  5435. u8 port = params->port;
  5436. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5437. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5438. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5439. /* indicate no mac active */
  5440. vars->mac_type = MAC_TYPE_NONE;
  5441. /* update shared memory */
  5442. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5443. LINK_STATUS_LINK_UP |
  5444. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5445. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5446. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5447. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5448. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5449. vars->line_speed = 0;
  5450. bnx2x_update_mng(params, vars->link_status);
  5451. /* activate nig drain */
  5452. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5453. /* disable emac */
  5454. if (!CHIP_IS_E3(bp))
  5455. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5456. msleep(10);
  5457. /* reset BigMac/Xmac */
  5458. if (CHIP_IS_E1x(bp) ||
  5459. CHIP_IS_E2(bp)) {
  5460. bnx2x_bmac_rx_disable(bp, params->port);
  5461. REG_WR(bp, GRCBASE_MISC +
  5462. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5463. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5464. }
  5465. if (CHIP_IS_E3(bp))
  5466. bnx2x_xmac_disable(params);
  5467. return 0;
  5468. }
  5469. static int bnx2x_update_link_up(struct link_params *params,
  5470. struct link_vars *vars,
  5471. u8 link_10g)
  5472. {
  5473. struct bnx2x *bp = params->bp;
  5474. u8 port = params->port;
  5475. int rc = 0;
  5476. vars->link_status |= (LINK_STATUS_LINK_UP |
  5477. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5478. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5479. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5480. vars->link_status |=
  5481. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5482. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5483. vars->link_status |=
  5484. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5485. if (USES_WARPCORE(bp)) {
  5486. if (link_10g) {
  5487. if (bnx2x_xmac_enable(params, vars, 0) ==
  5488. -ESRCH) {
  5489. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5490. vars->link_up = 0;
  5491. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5492. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5493. }
  5494. } else
  5495. bnx2x_umac_enable(params, vars, 0);
  5496. bnx2x_set_led(params, vars,
  5497. LED_MODE_OPER, vars->line_speed);
  5498. }
  5499. if ((CHIP_IS_E1x(bp) ||
  5500. CHIP_IS_E2(bp))) {
  5501. if (link_10g) {
  5502. if (bnx2x_bmac_enable(params, vars, 0) ==
  5503. -ESRCH) {
  5504. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5505. vars->link_up = 0;
  5506. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5507. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5508. }
  5509. bnx2x_set_led(params, vars,
  5510. LED_MODE_OPER, SPEED_10000);
  5511. } else {
  5512. rc = bnx2x_emac_program(params, vars);
  5513. bnx2x_emac_enable(params, vars, 0);
  5514. /* AN complete? */
  5515. if ((vars->link_status &
  5516. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5517. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5518. SINGLE_MEDIA_DIRECT(params))
  5519. bnx2x_set_gmii_tx_driver(params);
  5520. }
  5521. }
  5522. /* PBF - link up */
  5523. if (CHIP_IS_E1x(bp))
  5524. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5525. vars->line_speed);
  5526. /* disable drain */
  5527. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5528. /* update shared memory */
  5529. bnx2x_update_mng(params, vars->link_status);
  5530. msleep(20);
  5531. return rc;
  5532. }
  5533. /*
  5534. * The bnx2x_link_update function should be called upon link
  5535. * interrupt.
  5536. * Link is considered up as follows:
  5537. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5538. * to be up
  5539. * - SINGLE_MEDIA - The link between the 577xx and the external
  5540. * phy (XGXS) need to up as well as the external link of the
  5541. * phy (PHY_EXT1)
  5542. * - DUAL_MEDIA - The link between the 577xx and the first
  5543. * external phy needs to be up, and at least one of the 2
  5544. * external phy link must be up.
  5545. */
  5546. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5547. {
  5548. struct bnx2x *bp = params->bp;
  5549. struct link_vars phy_vars[MAX_PHYS];
  5550. u8 port = params->port;
  5551. u8 link_10g_plus, phy_index;
  5552. u8 ext_phy_link_up = 0, cur_link_up;
  5553. int rc = 0;
  5554. u8 is_mi_int = 0;
  5555. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5556. u8 active_external_phy = INT_PHY;
  5557. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5558. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5559. phy_index++) {
  5560. phy_vars[phy_index].flow_ctrl = 0;
  5561. phy_vars[phy_index].link_status = 0;
  5562. phy_vars[phy_index].line_speed = 0;
  5563. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5564. phy_vars[phy_index].phy_link_up = 0;
  5565. phy_vars[phy_index].link_up = 0;
  5566. phy_vars[phy_index].fault_detected = 0;
  5567. }
  5568. if (USES_WARPCORE(bp))
  5569. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5570. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5571. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5572. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5573. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5574. port*0x18) > 0);
  5575. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5576. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5577. is_mi_int,
  5578. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5579. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5580. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5581. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5582. /* disable emac */
  5583. if (!CHIP_IS_E3(bp))
  5584. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5585. /*
  5586. * Step 1:
  5587. * Check external link change only for external phys, and apply
  5588. * priority selection between them in case the link on both phys
  5589. * is up. Note that instead of the common vars, a temporary
  5590. * vars argument is used since each phy may have different link/
  5591. * speed/duplex result
  5592. */
  5593. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5594. phy_index++) {
  5595. struct bnx2x_phy *phy = &params->phy[phy_index];
  5596. if (!phy->read_status)
  5597. continue;
  5598. /* Read link status and params of this ext phy */
  5599. cur_link_up = phy->read_status(phy, params,
  5600. &phy_vars[phy_index]);
  5601. if (cur_link_up) {
  5602. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5603. phy_index);
  5604. } else {
  5605. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5606. phy_index);
  5607. continue;
  5608. }
  5609. if (!ext_phy_link_up) {
  5610. ext_phy_link_up = 1;
  5611. active_external_phy = phy_index;
  5612. } else {
  5613. switch (bnx2x_phy_selection(params)) {
  5614. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5615. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5616. /*
  5617. * In this option, the first PHY makes sure to pass the
  5618. * traffic through itself only.
  5619. * Its not clear how to reset the link on the second phy
  5620. */
  5621. active_external_phy = EXT_PHY1;
  5622. break;
  5623. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5624. /*
  5625. * In this option, the first PHY makes sure to pass the
  5626. * traffic through the second PHY.
  5627. */
  5628. active_external_phy = EXT_PHY2;
  5629. break;
  5630. default:
  5631. /*
  5632. * Link indication on both PHYs with the following cases
  5633. * is invalid:
  5634. * - FIRST_PHY means that second phy wasn't initialized,
  5635. * hence its link is expected to be down
  5636. * - SECOND_PHY means that first phy should not be able
  5637. * to link up by itself (using configuration)
  5638. * - DEFAULT should be overriden during initialiazation
  5639. */
  5640. DP(NETIF_MSG_LINK, "Invalid link indication"
  5641. "mpc=0x%x. DISABLING LINK !!!\n",
  5642. params->multi_phy_config);
  5643. ext_phy_link_up = 0;
  5644. break;
  5645. }
  5646. }
  5647. }
  5648. prev_line_speed = vars->line_speed;
  5649. /*
  5650. * Step 2:
  5651. * Read the status of the internal phy. In case of
  5652. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5653. * otherwise this is the link between the 577xx and the first
  5654. * external phy
  5655. */
  5656. if (params->phy[INT_PHY].read_status)
  5657. params->phy[INT_PHY].read_status(
  5658. &params->phy[INT_PHY],
  5659. params, vars);
  5660. /*
  5661. * The INT_PHY flow control reside in the vars. This include the
  5662. * case where the speed or flow control are not set to AUTO.
  5663. * Otherwise, the active external phy flow control result is set
  5664. * to the vars. The ext_phy_line_speed is needed to check if the
  5665. * speed is different between the internal phy and external phy.
  5666. * This case may be result of intermediate link speed change.
  5667. */
  5668. if (active_external_phy > INT_PHY) {
  5669. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5670. /*
  5671. * Link speed is taken from the XGXS. AN and FC result from
  5672. * the external phy.
  5673. */
  5674. vars->link_status |= phy_vars[active_external_phy].link_status;
  5675. /*
  5676. * if active_external_phy is first PHY and link is up - disable
  5677. * disable TX on second external PHY
  5678. */
  5679. if (active_external_phy == EXT_PHY1) {
  5680. if (params->phy[EXT_PHY2].phy_specific_func) {
  5681. DP(NETIF_MSG_LINK,
  5682. "Disabling TX on EXT_PHY2\n");
  5683. params->phy[EXT_PHY2].phy_specific_func(
  5684. &params->phy[EXT_PHY2],
  5685. params, DISABLE_TX);
  5686. }
  5687. }
  5688. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5689. vars->duplex = phy_vars[active_external_phy].duplex;
  5690. if (params->phy[active_external_phy].supported &
  5691. SUPPORTED_FIBRE)
  5692. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5693. else
  5694. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5695. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5696. active_external_phy);
  5697. }
  5698. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5699. phy_index++) {
  5700. if (params->phy[phy_index].flags &
  5701. FLAGS_REARM_LATCH_SIGNAL) {
  5702. bnx2x_rearm_latch_signal(bp, port,
  5703. phy_index ==
  5704. active_external_phy);
  5705. break;
  5706. }
  5707. }
  5708. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5709. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5710. vars->link_status, ext_phy_line_speed);
  5711. /*
  5712. * Upon link speed change set the NIG into drain mode. Comes to
  5713. * deals with possible FIFO glitch due to clk change when speed
  5714. * is decreased without link down indicator
  5715. */
  5716. if (vars->phy_link_up) {
  5717. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5718. (ext_phy_line_speed != vars->line_speed)) {
  5719. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5720. " different than the external"
  5721. " link speed %d\n", vars->line_speed,
  5722. ext_phy_line_speed);
  5723. vars->phy_link_up = 0;
  5724. } else if (prev_line_speed != vars->line_speed) {
  5725. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5726. 0);
  5727. msleep(1);
  5728. }
  5729. }
  5730. /* anything 10 and over uses the bmac */
  5731. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5732. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5733. /*
  5734. * In case external phy link is up, and internal link is down
  5735. * (not initialized yet probably after link initialization, it
  5736. * needs to be initialized.
  5737. * Note that after link down-up as result of cable plug, the xgxs
  5738. * link would probably become up again without the need
  5739. * initialize it
  5740. */
  5741. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5742. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5743. " init_preceding = %d\n", ext_phy_link_up,
  5744. vars->phy_link_up,
  5745. params->phy[EXT_PHY1].flags &
  5746. FLAGS_INIT_XGXS_FIRST);
  5747. if (!(params->phy[EXT_PHY1].flags &
  5748. FLAGS_INIT_XGXS_FIRST)
  5749. && ext_phy_link_up && !vars->phy_link_up) {
  5750. vars->line_speed = ext_phy_line_speed;
  5751. if (vars->line_speed < SPEED_1000)
  5752. vars->phy_flags |= PHY_SGMII_FLAG;
  5753. else
  5754. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5755. if (params->phy[INT_PHY].config_init)
  5756. params->phy[INT_PHY].config_init(
  5757. &params->phy[INT_PHY], params,
  5758. vars);
  5759. }
  5760. }
  5761. /*
  5762. * Link is up only if both local phy and external phy (in case of
  5763. * non-direct board) are up and no fault detected on active PHY.
  5764. */
  5765. vars->link_up = (vars->phy_link_up &&
  5766. (ext_phy_link_up ||
  5767. SINGLE_MEDIA_DIRECT(params)) &&
  5768. (phy_vars[active_external_phy].fault_detected == 0));
  5769. if (vars->link_up)
  5770. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5771. else
  5772. rc = bnx2x_update_link_down(params, vars);
  5773. return rc;
  5774. }
  5775. /*****************************************************************************/
  5776. /* External Phy section */
  5777. /*****************************************************************************/
  5778. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5779. {
  5780. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5781. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5782. msleep(1);
  5783. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5784. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5785. }
  5786. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5787. u32 spirom_ver, u32 ver_addr)
  5788. {
  5789. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5790. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5791. if (ver_addr)
  5792. REG_WR(bp, ver_addr, spirom_ver);
  5793. }
  5794. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5795. struct bnx2x_phy *phy,
  5796. u8 port)
  5797. {
  5798. u16 fw_ver1, fw_ver2;
  5799. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5800. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5801. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5802. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5803. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5804. phy->ver_addr);
  5805. }
  5806. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5807. struct bnx2x_phy *phy,
  5808. struct link_vars *vars)
  5809. {
  5810. u16 val;
  5811. bnx2x_cl45_read(bp, phy,
  5812. MDIO_AN_DEVAD,
  5813. MDIO_AN_REG_STATUS, &val);
  5814. bnx2x_cl45_read(bp, phy,
  5815. MDIO_AN_DEVAD,
  5816. MDIO_AN_REG_STATUS, &val);
  5817. if (val & (1<<5))
  5818. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5819. if ((val & (1<<0)) == 0)
  5820. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5821. }
  5822. /******************************************************************/
  5823. /* common BCM8073/BCM8727 PHY SECTION */
  5824. /******************************************************************/
  5825. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5826. struct link_params *params,
  5827. struct link_vars *vars)
  5828. {
  5829. struct bnx2x *bp = params->bp;
  5830. if (phy->req_line_speed == SPEED_10 ||
  5831. phy->req_line_speed == SPEED_100) {
  5832. vars->flow_ctrl = phy->req_flow_ctrl;
  5833. return;
  5834. }
  5835. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5836. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5837. u16 pause_result;
  5838. u16 ld_pause; /* local */
  5839. u16 lp_pause; /* link partner */
  5840. bnx2x_cl45_read(bp, phy,
  5841. MDIO_AN_DEVAD,
  5842. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5843. bnx2x_cl45_read(bp, phy,
  5844. MDIO_AN_DEVAD,
  5845. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5846. pause_result = (ld_pause &
  5847. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5848. pause_result |= (lp_pause &
  5849. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5850. bnx2x_pause_resolve(vars, pause_result);
  5851. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5852. pause_result);
  5853. }
  5854. }
  5855. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5856. struct bnx2x_phy *phy,
  5857. u8 port)
  5858. {
  5859. u32 count = 0;
  5860. u16 fw_ver1, fw_msgout;
  5861. int rc = 0;
  5862. /* Boot port from external ROM */
  5863. /* EDC grst */
  5864. bnx2x_cl45_write(bp, phy,
  5865. MDIO_PMA_DEVAD,
  5866. MDIO_PMA_REG_GEN_CTRL,
  5867. 0x0001);
  5868. /* ucode reboot and rst */
  5869. bnx2x_cl45_write(bp, phy,
  5870. MDIO_PMA_DEVAD,
  5871. MDIO_PMA_REG_GEN_CTRL,
  5872. 0x008c);
  5873. bnx2x_cl45_write(bp, phy,
  5874. MDIO_PMA_DEVAD,
  5875. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5876. /* Reset internal microprocessor */
  5877. bnx2x_cl45_write(bp, phy,
  5878. MDIO_PMA_DEVAD,
  5879. MDIO_PMA_REG_GEN_CTRL,
  5880. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5881. /* Release srst bit */
  5882. bnx2x_cl45_write(bp, phy,
  5883. MDIO_PMA_DEVAD,
  5884. MDIO_PMA_REG_GEN_CTRL,
  5885. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5886. /* Delay 100ms per the PHY specifications */
  5887. msleep(100);
  5888. /* 8073 sometimes taking longer to download */
  5889. do {
  5890. count++;
  5891. if (count > 300) {
  5892. DP(NETIF_MSG_LINK,
  5893. "bnx2x_8073_8727_external_rom_boot port %x:"
  5894. "Download failed. fw version = 0x%x\n",
  5895. port, fw_ver1);
  5896. rc = -EINVAL;
  5897. break;
  5898. }
  5899. bnx2x_cl45_read(bp, phy,
  5900. MDIO_PMA_DEVAD,
  5901. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5902. bnx2x_cl45_read(bp, phy,
  5903. MDIO_PMA_DEVAD,
  5904. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5905. msleep(1);
  5906. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5907. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5908. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5909. /* Clear ser_boot_ctl bit */
  5910. bnx2x_cl45_write(bp, phy,
  5911. MDIO_PMA_DEVAD,
  5912. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5913. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5914. DP(NETIF_MSG_LINK,
  5915. "bnx2x_8073_8727_external_rom_boot port %x:"
  5916. "Download complete. fw version = 0x%x\n",
  5917. port, fw_ver1);
  5918. return rc;
  5919. }
  5920. /******************************************************************/
  5921. /* BCM8073 PHY SECTION */
  5922. /******************************************************************/
  5923. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5924. {
  5925. /* This is only required for 8073A1, version 102 only */
  5926. u16 val;
  5927. /* Read 8073 HW revision*/
  5928. bnx2x_cl45_read(bp, phy,
  5929. MDIO_PMA_DEVAD,
  5930. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5931. if (val != 1) {
  5932. /* No need to workaround in 8073 A1 */
  5933. return 0;
  5934. }
  5935. bnx2x_cl45_read(bp, phy,
  5936. MDIO_PMA_DEVAD,
  5937. MDIO_PMA_REG_ROM_VER2, &val);
  5938. /* SNR should be applied only for version 0x102 */
  5939. if (val != 0x102)
  5940. return 0;
  5941. return 1;
  5942. }
  5943. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5944. {
  5945. u16 val, cnt, cnt1 ;
  5946. bnx2x_cl45_read(bp, phy,
  5947. MDIO_PMA_DEVAD,
  5948. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5949. if (val > 0) {
  5950. /* No need to workaround in 8073 A1 */
  5951. return 0;
  5952. }
  5953. /* XAUI workaround in 8073 A0: */
  5954. /*
  5955. * After loading the boot ROM and restarting Autoneg, poll
  5956. * Dev1, Reg $C820:
  5957. */
  5958. for (cnt = 0; cnt < 1000; cnt++) {
  5959. bnx2x_cl45_read(bp, phy,
  5960. MDIO_PMA_DEVAD,
  5961. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5962. &val);
  5963. /*
  5964. * If bit [14] = 0 or bit [13] = 0, continue on with
  5965. * system initialization (XAUI work-around not required, as
  5966. * these bits indicate 2.5G or 1G link up).
  5967. */
  5968. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5969. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5970. return 0;
  5971. } else if (!(val & (1<<15))) {
  5972. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5973. /*
  5974. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5975. * MSB (bit15) goes to 1 (indicating that the XAUI
  5976. * workaround has completed), then continue on with
  5977. * system initialization.
  5978. */
  5979. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5980. bnx2x_cl45_read(bp, phy,
  5981. MDIO_PMA_DEVAD,
  5982. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5983. if (val & (1<<15)) {
  5984. DP(NETIF_MSG_LINK,
  5985. "XAUI workaround has completed\n");
  5986. return 0;
  5987. }
  5988. msleep(3);
  5989. }
  5990. break;
  5991. }
  5992. msleep(3);
  5993. }
  5994. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5995. return -EINVAL;
  5996. }
  5997. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5998. {
  5999. /* Force KR or KX */
  6000. bnx2x_cl45_write(bp, phy,
  6001. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6002. bnx2x_cl45_write(bp, phy,
  6003. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6004. bnx2x_cl45_write(bp, phy,
  6005. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6006. bnx2x_cl45_write(bp, phy,
  6007. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6008. }
  6009. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6010. struct bnx2x_phy *phy,
  6011. struct link_vars *vars)
  6012. {
  6013. u16 cl37_val;
  6014. struct bnx2x *bp = params->bp;
  6015. bnx2x_cl45_read(bp, phy,
  6016. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6017. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6018. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6019. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6020. if ((vars->ieee_fc &
  6021. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6022. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6023. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6024. }
  6025. if ((vars->ieee_fc &
  6026. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6027. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6028. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6029. }
  6030. if ((vars->ieee_fc &
  6031. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6032. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6033. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6034. }
  6035. DP(NETIF_MSG_LINK,
  6036. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6037. bnx2x_cl45_write(bp, phy,
  6038. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6039. msleep(500);
  6040. }
  6041. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6042. struct link_params *params,
  6043. struct link_vars *vars)
  6044. {
  6045. struct bnx2x *bp = params->bp;
  6046. u16 val = 0, tmp1;
  6047. u8 gpio_port;
  6048. DP(NETIF_MSG_LINK, "Init 8073\n");
  6049. if (CHIP_IS_E2(bp))
  6050. gpio_port = BP_PATH(bp);
  6051. else
  6052. gpio_port = params->port;
  6053. /* Restore normal power mode*/
  6054. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6055. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6056. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6057. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6058. /* enable LASI */
  6059. bnx2x_cl45_write(bp, phy,
  6060. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6061. bnx2x_cl45_write(bp, phy,
  6062. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6063. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6064. bnx2x_cl45_read(bp, phy,
  6065. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6066. bnx2x_cl45_read(bp, phy,
  6067. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6068. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6069. /* Swap polarity if required - Must be done only in non-1G mode */
  6070. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6071. /* Configure the 8073 to swap _P and _N of the KR lines */
  6072. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6073. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6074. bnx2x_cl45_read(bp, phy,
  6075. MDIO_PMA_DEVAD,
  6076. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6077. bnx2x_cl45_write(bp, phy,
  6078. MDIO_PMA_DEVAD,
  6079. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6080. (val | (3<<9)));
  6081. }
  6082. /* Enable CL37 BAM */
  6083. if (REG_RD(bp, params->shmem_base +
  6084. offsetof(struct shmem_region, dev_info.
  6085. port_hw_config[params->port].default_cfg)) &
  6086. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6087. bnx2x_cl45_read(bp, phy,
  6088. MDIO_AN_DEVAD,
  6089. MDIO_AN_REG_8073_BAM, &val);
  6090. bnx2x_cl45_write(bp, phy,
  6091. MDIO_AN_DEVAD,
  6092. MDIO_AN_REG_8073_BAM, val | 1);
  6093. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6094. }
  6095. if (params->loopback_mode == LOOPBACK_EXT) {
  6096. bnx2x_807x_force_10G(bp, phy);
  6097. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6098. return 0;
  6099. } else {
  6100. bnx2x_cl45_write(bp, phy,
  6101. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6102. }
  6103. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6104. if (phy->req_line_speed == SPEED_10000) {
  6105. val = (1<<7);
  6106. } else if (phy->req_line_speed == SPEED_2500) {
  6107. val = (1<<5);
  6108. /*
  6109. * Note that 2.5G works only when used with 1G
  6110. * advertisement
  6111. */
  6112. } else
  6113. val = (1<<5);
  6114. } else {
  6115. val = 0;
  6116. if (phy->speed_cap_mask &
  6117. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6118. val |= (1<<7);
  6119. /* Note that 2.5G works only when used with 1G advertisement */
  6120. if (phy->speed_cap_mask &
  6121. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6122. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6123. val |= (1<<5);
  6124. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6125. }
  6126. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6127. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6128. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6129. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6130. (phy->req_line_speed == SPEED_2500)) {
  6131. u16 phy_ver;
  6132. /* Allow 2.5G for A1 and above */
  6133. bnx2x_cl45_read(bp, phy,
  6134. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6135. &phy_ver);
  6136. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6137. if (phy_ver > 0)
  6138. tmp1 |= 1;
  6139. else
  6140. tmp1 &= 0xfffe;
  6141. } else {
  6142. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6143. tmp1 &= 0xfffe;
  6144. }
  6145. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6146. /* Add support for CL37 (passive mode) II */
  6147. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6148. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6149. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6150. 0x20 : 0x40)));
  6151. /* Add support for CL37 (passive mode) III */
  6152. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6153. /*
  6154. * The SNR will improve about 2db by changing BW and FEE main
  6155. * tap. Rest commands are executed after link is up
  6156. * Change FFE main cursor to 5 in EDC register
  6157. */
  6158. if (bnx2x_8073_is_snr_needed(bp, phy))
  6159. bnx2x_cl45_write(bp, phy,
  6160. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6161. 0xFB0C);
  6162. /* Enable FEC (Forware Error Correction) Request in the AN */
  6163. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6164. tmp1 |= (1<<15);
  6165. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6166. bnx2x_ext_phy_set_pause(params, phy, vars);
  6167. /* Restart autoneg */
  6168. msleep(500);
  6169. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6170. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6171. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6172. return 0;
  6173. }
  6174. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6175. struct link_params *params,
  6176. struct link_vars *vars)
  6177. {
  6178. struct bnx2x *bp = params->bp;
  6179. u8 link_up = 0;
  6180. u16 val1, val2;
  6181. u16 link_status = 0;
  6182. u16 an1000_status = 0;
  6183. bnx2x_cl45_read(bp, phy,
  6184. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6185. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6186. /* clear the interrupt LASI status register */
  6187. bnx2x_cl45_read(bp, phy,
  6188. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6191. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6192. /* Clear MSG-OUT */
  6193. bnx2x_cl45_read(bp, phy,
  6194. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6195. /* Check the LASI */
  6196. bnx2x_cl45_read(bp, phy,
  6197. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6198. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6199. /* Check the link status */
  6200. bnx2x_cl45_read(bp, phy,
  6201. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6202. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6203. bnx2x_cl45_read(bp, phy,
  6204. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6205. bnx2x_cl45_read(bp, phy,
  6206. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6207. link_up = ((val1 & 4) == 4);
  6208. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6209. if (link_up &&
  6210. ((phy->req_line_speed != SPEED_10000))) {
  6211. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6212. return 0;
  6213. }
  6214. bnx2x_cl45_read(bp, phy,
  6215. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6216. bnx2x_cl45_read(bp, phy,
  6217. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6218. /* Check the link status on 1.1.2 */
  6219. bnx2x_cl45_read(bp, phy,
  6220. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6221. bnx2x_cl45_read(bp, phy,
  6222. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6223. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6224. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6225. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6226. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6227. /*
  6228. * The SNR will improve about 2dbby changing the BW and FEE main
  6229. * tap. The 1st write to change FFE main tap is set before
  6230. * restart AN. Change PLL Bandwidth in EDC register
  6231. */
  6232. bnx2x_cl45_write(bp, phy,
  6233. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6234. 0x26BC);
  6235. /* Change CDR Bandwidth in EDC register */
  6236. bnx2x_cl45_write(bp, phy,
  6237. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6238. 0x0333);
  6239. }
  6240. bnx2x_cl45_read(bp, phy,
  6241. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6242. &link_status);
  6243. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6244. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6245. link_up = 1;
  6246. vars->line_speed = SPEED_10000;
  6247. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6248. params->port);
  6249. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6250. link_up = 1;
  6251. vars->line_speed = SPEED_2500;
  6252. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6253. params->port);
  6254. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6255. link_up = 1;
  6256. vars->line_speed = SPEED_1000;
  6257. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6258. params->port);
  6259. } else {
  6260. link_up = 0;
  6261. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6262. params->port);
  6263. }
  6264. if (link_up) {
  6265. /* Swap polarity if required */
  6266. if (params->lane_config &
  6267. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6268. /* Configure the 8073 to swap P and N of the KR lines */
  6269. bnx2x_cl45_read(bp, phy,
  6270. MDIO_XS_DEVAD,
  6271. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6272. /*
  6273. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6274. * when it`s in 10G mode.
  6275. */
  6276. if (vars->line_speed == SPEED_1000) {
  6277. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6278. "the 8073\n");
  6279. val1 |= (1<<3);
  6280. } else
  6281. val1 &= ~(1<<3);
  6282. bnx2x_cl45_write(bp, phy,
  6283. MDIO_XS_DEVAD,
  6284. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6285. val1);
  6286. }
  6287. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6288. bnx2x_8073_resolve_fc(phy, params, vars);
  6289. vars->duplex = DUPLEX_FULL;
  6290. }
  6291. return link_up;
  6292. }
  6293. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6294. struct link_params *params)
  6295. {
  6296. struct bnx2x *bp = params->bp;
  6297. u8 gpio_port;
  6298. if (CHIP_IS_E2(bp))
  6299. gpio_port = BP_PATH(bp);
  6300. else
  6301. gpio_port = params->port;
  6302. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6303. gpio_port);
  6304. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6305. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6306. gpio_port);
  6307. }
  6308. /******************************************************************/
  6309. /* BCM8705 PHY SECTION */
  6310. /******************************************************************/
  6311. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6312. struct link_params *params,
  6313. struct link_vars *vars)
  6314. {
  6315. struct bnx2x *bp = params->bp;
  6316. DP(NETIF_MSG_LINK, "init 8705\n");
  6317. /* Restore normal power mode*/
  6318. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6319. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6320. /* HW reset */
  6321. bnx2x_ext_phy_hw_reset(bp, params->port);
  6322. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6323. bnx2x_wait_reset_complete(bp, phy, params);
  6324. bnx2x_cl45_write(bp, phy,
  6325. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6326. bnx2x_cl45_write(bp, phy,
  6327. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6328. bnx2x_cl45_write(bp, phy,
  6329. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6330. bnx2x_cl45_write(bp, phy,
  6331. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6332. /* BCM8705 doesn't have microcode, hence the 0 */
  6333. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6334. return 0;
  6335. }
  6336. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6337. struct link_params *params,
  6338. struct link_vars *vars)
  6339. {
  6340. u8 link_up = 0;
  6341. u16 val1, rx_sd;
  6342. struct bnx2x *bp = params->bp;
  6343. DP(NETIF_MSG_LINK, "read status 8705\n");
  6344. bnx2x_cl45_read(bp, phy,
  6345. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6346. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6347. bnx2x_cl45_read(bp, phy,
  6348. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6349. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6350. bnx2x_cl45_read(bp, phy,
  6351. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6352. bnx2x_cl45_read(bp, phy,
  6353. MDIO_PMA_DEVAD, 0xc809, &val1);
  6354. bnx2x_cl45_read(bp, phy,
  6355. MDIO_PMA_DEVAD, 0xc809, &val1);
  6356. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6357. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6358. if (link_up) {
  6359. vars->line_speed = SPEED_10000;
  6360. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6361. }
  6362. return link_up;
  6363. }
  6364. /******************************************************************/
  6365. /* SFP+ module Section */
  6366. /******************************************************************/
  6367. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6368. struct bnx2x_phy *phy,
  6369. u8 pmd_dis)
  6370. {
  6371. struct bnx2x *bp = params->bp;
  6372. /*
  6373. * Disable transmitter only for bootcodes which can enable it afterwards
  6374. * (for D3 link)
  6375. */
  6376. if (pmd_dis) {
  6377. if (params->feature_config_flags &
  6378. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6379. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6380. else {
  6381. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6382. return;
  6383. }
  6384. } else
  6385. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6386. bnx2x_cl45_write(bp, phy,
  6387. MDIO_PMA_DEVAD,
  6388. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6389. }
  6390. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6391. {
  6392. u8 gpio_port;
  6393. u32 swap_val, swap_override;
  6394. struct bnx2x *bp = params->bp;
  6395. if (CHIP_IS_E2(bp))
  6396. gpio_port = BP_PATH(bp);
  6397. else
  6398. gpio_port = params->port;
  6399. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6400. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6401. return gpio_port ^ (swap_val && swap_override);
  6402. }
  6403. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6404. struct bnx2x_phy *phy,
  6405. u8 tx_en)
  6406. {
  6407. u16 val;
  6408. u8 port = params->port;
  6409. struct bnx2x *bp = params->bp;
  6410. u32 tx_en_mode;
  6411. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6412. tx_en_mode = REG_RD(bp, params->shmem_base +
  6413. offsetof(struct shmem_region,
  6414. dev_info.port_hw_config[port].sfp_ctrl)) &
  6415. PORT_HW_CFG_TX_LASER_MASK;
  6416. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6417. "mode = %x\n", tx_en, port, tx_en_mode);
  6418. switch (tx_en_mode) {
  6419. case PORT_HW_CFG_TX_LASER_MDIO:
  6420. bnx2x_cl45_read(bp, phy,
  6421. MDIO_PMA_DEVAD,
  6422. MDIO_PMA_REG_PHY_IDENTIFIER,
  6423. &val);
  6424. if (tx_en)
  6425. val &= ~(1<<15);
  6426. else
  6427. val |= (1<<15);
  6428. bnx2x_cl45_write(bp, phy,
  6429. MDIO_PMA_DEVAD,
  6430. MDIO_PMA_REG_PHY_IDENTIFIER,
  6431. val);
  6432. break;
  6433. case PORT_HW_CFG_TX_LASER_GPIO0:
  6434. case PORT_HW_CFG_TX_LASER_GPIO1:
  6435. case PORT_HW_CFG_TX_LASER_GPIO2:
  6436. case PORT_HW_CFG_TX_LASER_GPIO3:
  6437. {
  6438. u16 gpio_pin;
  6439. u8 gpio_port, gpio_mode;
  6440. if (tx_en)
  6441. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6442. else
  6443. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6444. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6445. gpio_port = bnx2x_get_gpio_port(params);
  6446. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6447. break;
  6448. }
  6449. default:
  6450. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6451. break;
  6452. }
  6453. }
  6454. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6455. struct bnx2x_phy *phy,
  6456. u8 tx_en)
  6457. {
  6458. struct bnx2x *bp = params->bp;
  6459. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6460. if (CHIP_IS_E3(bp))
  6461. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6462. else
  6463. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6464. }
  6465. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6466. struct link_params *params,
  6467. u16 addr, u8 byte_cnt, u8 *o_buf)
  6468. {
  6469. struct bnx2x *bp = params->bp;
  6470. u16 val = 0;
  6471. u16 i;
  6472. if (byte_cnt > 16) {
  6473. DP(NETIF_MSG_LINK,
  6474. "Reading from eeprom is limited to 0xf\n");
  6475. return -EINVAL;
  6476. }
  6477. /* Set the read command byte count */
  6478. bnx2x_cl45_write(bp, phy,
  6479. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6480. (byte_cnt | 0xa000));
  6481. /* Set the read command address */
  6482. bnx2x_cl45_write(bp, phy,
  6483. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6484. addr);
  6485. /* Activate read command */
  6486. bnx2x_cl45_write(bp, phy,
  6487. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6488. 0x2c0f);
  6489. /* Wait up to 500us for command complete status */
  6490. for (i = 0; i < 100; i++) {
  6491. bnx2x_cl45_read(bp, phy,
  6492. MDIO_PMA_DEVAD,
  6493. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6494. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6495. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6496. break;
  6497. udelay(5);
  6498. }
  6499. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6500. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6501. DP(NETIF_MSG_LINK,
  6502. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6503. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6504. return -EINVAL;
  6505. }
  6506. /* Read the buffer */
  6507. for (i = 0; i < byte_cnt; i++) {
  6508. bnx2x_cl45_read(bp, phy,
  6509. MDIO_PMA_DEVAD,
  6510. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6511. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6512. }
  6513. for (i = 0; i < 100; i++) {
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_PMA_DEVAD,
  6516. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6517. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6518. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6519. return 0;
  6520. msleep(1);
  6521. }
  6522. return -EINVAL;
  6523. }
  6524. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6525. struct link_params *params,
  6526. u16 addr, u8 byte_cnt,
  6527. u8 *o_buf)
  6528. {
  6529. int rc = 0;
  6530. u8 i, j = 0, cnt = 0;
  6531. u32 data_array[4];
  6532. u16 addr32;
  6533. struct bnx2x *bp = params->bp;
  6534. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6535. " addr %d, cnt %d\n",
  6536. addr, byte_cnt);*/
  6537. if (byte_cnt > 16) {
  6538. DP(NETIF_MSG_LINK,
  6539. "Reading from eeprom is limited to 16 bytes\n");
  6540. return -EINVAL;
  6541. }
  6542. /* 4 byte aligned address */
  6543. addr32 = addr & (~0x3);
  6544. do {
  6545. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6546. data_array);
  6547. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6548. if (rc == 0) {
  6549. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6550. o_buf[j] = *((u8 *)data_array + i);
  6551. j++;
  6552. }
  6553. }
  6554. return rc;
  6555. }
  6556. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6557. struct link_params *params,
  6558. u16 addr, u8 byte_cnt, u8 *o_buf)
  6559. {
  6560. struct bnx2x *bp = params->bp;
  6561. u16 val, i;
  6562. if (byte_cnt > 16) {
  6563. DP(NETIF_MSG_LINK,
  6564. "Reading from eeprom is limited to 0xf\n");
  6565. return -EINVAL;
  6566. }
  6567. /* Need to read from 1.8000 to clear it */
  6568. bnx2x_cl45_read(bp, phy,
  6569. MDIO_PMA_DEVAD,
  6570. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6571. &val);
  6572. /* Set the read command byte count */
  6573. bnx2x_cl45_write(bp, phy,
  6574. MDIO_PMA_DEVAD,
  6575. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6576. ((byte_cnt < 2) ? 2 : byte_cnt));
  6577. /* Set the read command address */
  6578. bnx2x_cl45_write(bp, phy,
  6579. MDIO_PMA_DEVAD,
  6580. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6581. addr);
  6582. /* Set the destination address */
  6583. bnx2x_cl45_write(bp, phy,
  6584. MDIO_PMA_DEVAD,
  6585. 0x8004,
  6586. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6587. /* Activate read command */
  6588. bnx2x_cl45_write(bp, phy,
  6589. MDIO_PMA_DEVAD,
  6590. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6591. 0x8002);
  6592. /*
  6593. * Wait appropriate time for two-wire command to finish before
  6594. * polling the status register
  6595. */
  6596. msleep(1);
  6597. /* Wait up to 500us for command complete status */
  6598. for (i = 0; i < 100; i++) {
  6599. bnx2x_cl45_read(bp, phy,
  6600. MDIO_PMA_DEVAD,
  6601. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6602. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6603. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6604. break;
  6605. udelay(5);
  6606. }
  6607. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6608. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6609. DP(NETIF_MSG_LINK,
  6610. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6611. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6612. return -EFAULT;
  6613. }
  6614. /* Read the buffer */
  6615. for (i = 0; i < byte_cnt; i++) {
  6616. bnx2x_cl45_read(bp, phy,
  6617. MDIO_PMA_DEVAD,
  6618. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6619. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6620. }
  6621. for (i = 0; i < 100; i++) {
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PMA_DEVAD,
  6624. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6625. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6626. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6627. return 0;
  6628. msleep(1);
  6629. }
  6630. return -EINVAL;
  6631. }
  6632. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6633. struct link_params *params, u16 addr,
  6634. u8 byte_cnt, u8 *o_buf)
  6635. {
  6636. int rc = -EINVAL;
  6637. switch (phy->type) {
  6638. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6639. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6640. byte_cnt, o_buf);
  6641. break;
  6642. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6643. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6644. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6645. byte_cnt, o_buf);
  6646. break;
  6647. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6648. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6649. byte_cnt, o_buf);
  6650. break;
  6651. }
  6652. return rc;
  6653. }
  6654. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6655. struct link_params *params,
  6656. u16 *edc_mode)
  6657. {
  6658. struct bnx2x *bp = params->bp;
  6659. u32 sync_offset = 0, phy_idx, media_types;
  6660. u8 val, check_limiting_mode = 0;
  6661. *edc_mode = EDC_MODE_LIMITING;
  6662. phy->media_type = ETH_PHY_UNSPECIFIED;
  6663. /* First check for copper cable */
  6664. if (bnx2x_read_sfp_module_eeprom(phy,
  6665. params,
  6666. SFP_EEPROM_CON_TYPE_ADDR,
  6667. 1,
  6668. &val) != 0) {
  6669. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6670. return -EINVAL;
  6671. }
  6672. switch (val) {
  6673. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6674. {
  6675. u8 copper_module_type;
  6676. phy->media_type = ETH_PHY_DA_TWINAX;
  6677. /*
  6678. * Check if its active cable (includes SFP+ module)
  6679. * of passive cable
  6680. */
  6681. if (bnx2x_read_sfp_module_eeprom(phy,
  6682. params,
  6683. SFP_EEPROM_FC_TX_TECH_ADDR,
  6684. 1,
  6685. &copper_module_type) != 0) {
  6686. DP(NETIF_MSG_LINK,
  6687. "Failed to read copper-cable-type"
  6688. " from SFP+ EEPROM\n");
  6689. return -EINVAL;
  6690. }
  6691. if (copper_module_type &
  6692. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6693. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6694. check_limiting_mode = 1;
  6695. } else if (copper_module_type &
  6696. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6697. DP(NETIF_MSG_LINK,
  6698. "Passive Copper cable detected\n");
  6699. *edc_mode =
  6700. EDC_MODE_PASSIVE_DAC;
  6701. } else {
  6702. DP(NETIF_MSG_LINK,
  6703. "Unknown copper-cable-type 0x%x !!!\n",
  6704. copper_module_type);
  6705. return -EINVAL;
  6706. }
  6707. break;
  6708. }
  6709. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6710. phy->media_type = ETH_PHY_SFP_FIBER;
  6711. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6712. check_limiting_mode = 1;
  6713. break;
  6714. default:
  6715. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6716. val);
  6717. return -EINVAL;
  6718. }
  6719. sync_offset = params->shmem_base +
  6720. offsetof(struct shmem_region,
  6721. dev_info.port_hw_config[params->port].media_type);
  6722. media_types = REG_RD(bp, sync_offset);
  6723. /* Update media type for non-PMF sync */
  6724. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6725. if (&(params->phy[phy_idx]) == phy) {
  6726. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6727. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6728. media_types |= ((phy->media_type &
  6729. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6730. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6731. break;
  6732. }
  6733. }
  6734. REG_WR(bp, sync_offset, media_types);
  6735. if (check_limiting_mode) {
  6736. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6737. if (bnx2x_read_sfp_module_eeprom(phy,
  6738. params,
  6739. SFP_EEPROM_OPTIONS_ADDR,
  6740. SFP_EEPROM_OPTIONS_SIZE,
  6741. options) != 0) {
  6742. DP(NETIF_MSG_LINK,
  6743. "Failed to read Option field from module EEPROM\n");
  6744. return -EINVAL;
  6745. }
  6746. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6747. *edc_mode = EDC_MODE_LINEAR;
  6748. else
  6749. *edc_mode = EDC_MODE_LIMITING;
  6750. }
  6751. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6752. return 0;
  6753. }
  6754. /*
  6755. * This function read the relevant field from the module (SFP+), and verify it
  6756. * is compliant with this board
  6757. */
  6758. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6759. struct link_params *params)
  6760. {
  6761. struct bnx2x *bp = params->bp;
  6762. u32 val, cmd;
  6763. u32 fw_resp, fw_cmd_param;
  6764. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6765. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6766. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6767. val = REG_RD(bp, params->shmem_base +
  6768. offsetof(struct shmem_region, dev_info.
  6769. port_feature_config[params->port].config));
  6770. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6771. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6772. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6773. return 0;
  6774. }
  6775. if (params->feature_config_flags &
  6776. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6777. /* Use specific phy request */
  6778. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6779. } else if (params->feature_config_flags &
  6780. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6781. /* Use first phy request only in case of non-dual media*/
  6782. if (DUAL_MEDIA(params)) {
  6783. DP(NETIF_MSG_LINK,
  6784. "FW does not support OPT MDL verification\n");
  6785. return -EINVAL;
  6786. }
  6787. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6788. } else {
  6789. /* No support in OPT MDL detection */
  6790. DP(NETIF_MSG_LINK,
  6791. "FW does not support OPT MDL verification\n");
  6792. return -EINVAL;
  6793. }
  6794. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6795. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6796. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6797. DP(NETIF_MSG_LINK, "Approved module\n");
  6798. return 0;
  6799. }
  6800. /* format the warning message */
  6801. if (bnx2x_read_sfp_module_eeprom(phy,
  6802. params,
  6803. SFP_EEPROM_VENDOR_NAME_ADDR,
  6804. SFP_EEPROM_VENDOR_NAME_SIZE,
  6805. (u8 *)vendor_name))
  6806. vendor_name[0] = '\0';
  6807. else
  6808. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6809. if (bnx2x_read_sfp_module_eeprom(phy,
  6810. params,
  6811. SFP_EEPROM_PART_NO_ADDR,
  6812. SFP_EEPROM_PART_NO_SIZE,
  6813. (u8 *)vendor_pn))
  6814. vendor_pn[0] = '\0';
  6815. else
  6816. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6817. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6818. " Port %d from %s part number %s\n",
  6819. params->port, vendor_name, vendor_pn);
  6820. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6821. return -EINVAL;
  6822. }
  6823. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6824. struct link_params *params)
  6825. {
  6826. u8 val;
  6827. struct bnx2x *bp = params->bp;
  6828. u16 timeout;
  6829. /*
  6830. * Initialization time after hot-plug may take up to 300ms for
  6831. * some phys type ( e.g. JDSU )
  6832. */
  6833. for (timeout = 0; timeout < 60; timeout++) {
  6834. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6835. == 0) {
  6836. DP(NETIF_MSG_LINK,
  6837. "SFP+ module initialization took %d ms\n",
  6838. timeout * 5);
  6839. return 0;
  6840. }
  6841. msleep(5);
  6842. }
  6843. return -EINVAL;
  6844. }
  6845. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6846. struct bnx2x_phy *phy,
  6847. u8 is_power_up) {
  6848. /* Make sure GPIOs are not using for LED mode */
  6849. u16 val;
  6850. /*
  6851. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6852. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6853. * output
  6854. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6855. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6856. * where the 1st bit is the over-current(only input), and 2nd bit is
  6857. * for power( only output )
  6858. *
  6859. * In case of NOC feature is disabled and power is up, set GPIO control
  6860. * as input to enable listening of over-current indication
  6861. */
  6862. if (phy->flags & FLAGS_NOC)
  6863. return;
  6864. if (is_power_up)
  6865. val = (1<<4);
  6866. else
  6867. /*
  6868. * Set GPIO control to OUTPUT, and set the power bit
  6869. * to according to the is_power_up
  6870. */
  6871. val = (1<<1);
  6872. bnx2x_cl45_write(bp, phy,
  6873. MDIO_PMA_DEVAD,
  6874. MDIO_PMA_REG_8727_GPIO_CTRL,
  6875. val);
  6876. }
  6877. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6878. struct bnx2x_phy *phy,
  6879. u16 edc_mode)
  6880. {
  6881. u16 cur_limiting_mode;
  6882. bnx2x_cl45_read(bp, phy,
  6883. MDIO_PMA_DEVAD,
  6884. MDIO_PMA_REG_ROM_VER2,
  6885. &cur_limiting_mode);
  6886. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6887. cur_limiting_mode);
  6888. if (edc_mode == EDC_MODE_LIMITING) {
  6889. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6890. bnx2x_cl45_write(bp, phy,
  6891. MDIO_PMA_DEVAD,
  6892. MDIO_PMA_REG_ROM_VER2,
  6893. EDC_MODE_LIMITING);
  6894. } else { /* LRM mode ( default )*/
  6895. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6896. /*
  6897. * Changing to LRM mode takes quite few seconds. So do it only
  6898. * if current mode is limiting (default is LRM)
  6899. */
  6900. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6901. return 0;
  6902. bnx2x_cl45_write(bp, phy,
  6903. MDIO_PMA_DEVAD,
  6904. MDIO_PMA_REG_LRM_MODE,
  6905. 0);
  6906. bnx2x_cl45_write(bp, phy,
  6907. MDIO_PMA_DEVAD,
  6908. MDIO_PMA_REG_ROM_VER2,
  6909. 0x128);
  6910. bnx2x_cl45_write(bp, phy,
  6911. MDIO_PMA_DEVAD,
  6912. MDIO_PMA_REG_MISC_CTRL0,
  6913. 0x4008);
  6914. bnx2x_cl45_write(bp, phy,
  6915. MDIO_PMA_DEVAD,
  6916. MDIO_PMA_REG_LRM_MODE,
  6917. 0xaaaa);
  6918. }
  6919. return 0;
  6920. }
  6921. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6922. struct bnx2x_phy *phy,
  6923. u16 edc_mode)
  6924. {
  6925. u16 phy_identifier;
  6926. u16 rom_ver2_val;
  6927. bnx2x_cl45_read(bp, phy,
  6928. MDIO_PMA_DEVAD,
  6929. MDIO_PMA_REG_PHY_IDENTIFIER,
  6930. &phy_identifier);
  6931. bnx2x_cl45_write(bp, phy,
  6932. MDIO_PMA_DEVAD,
  6933. MDIO_PMA_REG_PHY_IDENTIFIER,
  6934. (phy_identifier & ~(1<<9)));
  6935. bnx2x_cl45_read(bp, phy,
  6936. MDIO_PMA_DEVAD,
  6937. MDIO_PMA_REG_ROM_VER2,
  6938. &rom_ver2_val);
  6939. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6940. bnx2x_cl45_write(bp, phy,
  6941. MDIO_PMA_DEVAD,
  6942. MDIO_PMA_REG_ROM_VER2,
  6943. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6944. bnx2x_cl45_write(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. MDIO_PMA_REG_PHY_IDENTIFIER,
  6947. (phy_identifier | (1<<9)));
  6948. return 0;
  6949. }
  6950. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6951. struct link_params *params,
  6952. u32 action)
  6953. {
  6954. struct bnx2x *bp = params->bp;
  6955. switch (action) {
  6956. case DISABLE_TX:
  6957. bnx2x_sfp_set_transmitter(params, phy, 0);
  6958. break;
  6959. case ENABLE_TX:
  6960. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6961. bnx2x_sfp_set_transmitter(params, phy, 1);
  6962. break;
  6963. default:
  6964. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6965. action);
  6966. return;
  6967. }
  6968. }
  6969. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6970. u8 gpio_mode)
  6971. {
  6972. struct bnx2x *bp = params->bp;
  6973. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6974. offsetof(struct shmem_region,
  6975. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6976. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6977. switch (fault_led_gpio) {
  6978. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6979. return;
  6980. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6981. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6982. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6983. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6984. {
  6985. u8 gpio_port = bnx2x_get_gpio_port(params);
  6986. u16 gpio_pin = fault_led_gpio -
  6987. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6988. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6989. "pin %x port %x mode %x\n",
  6990. gpio_pin, gpio_port, gpio_mode);
  6991. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6992. }
  6993. break;
  6994. default:
  6995. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6996. fault_led_gpio);
  6997. }
  6998. }
  6999. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7000. u8 gpio_mode)
  7001. {
  7002. u32 pin_cfg;
  7003. u8 port = params->port;
  7004. struct bnx2x *bp = params->bp;
  7005. pin_cfg = (REG_RD(bp, params->shmem_base +
  7006. offsetof(struct shmem_region,
  7007. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7008. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7009. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7010. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7011. gpio_mode, pin_cfg);
  7012. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7013. }
  7014. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7015. u8 gpio_mode)
  7016. {
  7017. struct bnx2x *bp = params->bp;
  7018. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7019. if (CHIP_IS_E3(bp)) {
  7020. /*
  7021. * Low ==> if SFP+ module is supported otherwise
  7022. * High ==> if SFP+ module is not on the approved vendor list
  7023. */
  7024. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7025. } else
  7026. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7027. }
  7028. static void bnx2x_warpcore_power_module(struct link_params *params,
  7029. struct bnx2x_phy *phy,
  7030. u8 power)
  7031. {
  7032. u32 pin_cfg;
  7033. struct bnx2x *bp = params->bp;
  7034. pin_cfg = (REG_RD(bp, params->shmem_base +
  7035. offsetof(struct shmem_region,
  7036. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7037. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7038. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7039. if (pin_cfg == PIN_CFG_NA)
  7040. return;
  7041. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7042. power, pin_cfg);
  7043. /*
  7044. * Low ==> corresponding SFP+ module is powered
  7045. * high ==> the SFP+ module is powered down
  7046. */
  7047. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7048. }
  7049. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7050. struct link_params *params)
  7051. {
  7052. bnx2x_warpcore_power_module(params, phy, 0);
  7053. }
  7054. static void bnx2x_power_sfp_module(struct link_params *params,
  7055. struct bnx2x_phy *phy,
  7056. u8 power)
  7057. {
  7058. struct bnx2x *bp = params->bp;
  7059. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7060. switch (phy->type) {
  7061. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7062. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7063. bnx2x_8727_power_module(params->bp, phy, power);
  7064. break;
  7065. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7066. bnx2x_warpcore_power_module(params, phy, power);
  7067. break;
  7068. default:
  7069. break;
  7070. }
  7071. }
  7072. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7073. struct bnx2x_phy *phy,
  7074. u16 edc_mode)
  7075. {
  7076. u16 val = 0;
  7077. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7078. struct bnx2x *bp = params->bp;
  7079. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7080. /* This is a global register which controls all lanes */
  7081. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7082. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7083. val &= ~(0xf << (lane << 2));
  7084. switch (edc_mode) {
  7085. case EDC_MODE_LINEAR:
  7086. case EDC_MODE_LIMITING:
  7087. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7088. break;
  7089. case EDC_MODE_PASSIVE_DAC:
  7090. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7091. break;
  7092. default:
  7093. break;
  7094. }
  7095. val |= (mode << (lane << 2));
  7096. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7097. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7098. /* A must read */
  7099. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7100. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7101. /* Restart microcode to re-read the new mode */
  7102. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7103. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7104. }
  7105. static void bnx2x_set_limiting_mode(struct link_params *params,
  7106. struct bnx2x_phy *phy,
  7107. u16 edc_mode)
  7108. {
  7109. switch (phy->type) {
  7110. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7111. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7112. break;
  7113. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7114. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7115. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7116. break;
  7117. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7118. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7119. break;
  7120. }
  7121. }
  7122. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7123. struct link_params *params)
  7124. {
  7125. struct bnx2x *bp = params->bp;
  7126. u16 edc_mode;
  7127. int rc = 0;
  7128. u32 val = REG_RD(bp, params->shmem_base +
  7129. offsetof(struct shmem_region, dev_info.
  7130. port_feature_config[params->port].config));
  7131. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7132. params->port);
  7133. /* Power up module */
  7134. bnx2x_power_sfp_module(params, phy, 1);
  7135. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7136. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7137. return -EINVAL;
  7138. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7139. /* check SFP+ module compatibility */
  7140. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7141. rc = -EINVAL;
  7142. /* Turn on fault module-detected led */
  7143. bnx2x_set_sfp_module_fault_led(params,
  7144. MISC_REGISTERS_GPIO_HIGH);
  7145. /* Check if need to power down the SFP+ module */
  7146. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7147. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7148. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7149. bnx2x_power_sfp_module(params, phy, 0);
  7150. return rc;
  7151. }
  7152. } else {
  7153. /* Turn off fault module-detected led */
  7154. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7155. }
  7156. /*
  7157. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7158. * is done automatically
  7159. */
  7160. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7161. /*
  7162. * Enable transmit for this module if the module is approved, or
  7163. * if unapproved modules should also enable the Tx laser
  7164. */
  7165. if (rc == 0 ||
  7166. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7167. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7168. bnx2x_sfp_set_transmitter(params, phy, 1);
  7169. else
  7170. bnx2x_sfp_set_transmitter(params, phy, 0);
  7171. return rc;
  7172. }
  7173. void bnx2x_handle_module_detect_int(struct link_params *params)
  7174. {
  7175. struct bnx2x *bp = params->bp;
  7176. struct bnx2x_phy *phy;
  7177. u32 gpio_val;
  7178. u8 gpio_num, gpio_port;
  7179. if (CHIP_IS_E3(bp))
  7180. phy = &params->phy[INT_PHY];
  7181. else
  7182. phy = &params->phy[EXT_PHY1];
  7183. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7184. params->port, &gpio_num, &gpio_port) ==
  7185. -EINVAL) {
  7186. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7187. return;
  7188. }
  7189. /* Set valid module led off */
  7190. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7191. /* Get current gpio val reflecting module plugged in / out*/
  7192. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7193. /* Call the handling function in case module is detected */
  7194. if (gpio_val == 0) {
  7195. bnx2x_power_sfp_module(params, phy, 1);
  7196. bnx2x_set_gpio_int(bp, gpio_num,
  7197. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7198. gpio_port);
  7199. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7200. bnx2x_sfp_module_detection(phy, params);
  7201. else
  7202. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7203. } else {
  7204. u32 val = REG_RD(bp, params->shmem_base +
  7205. offsetof(struct shmem_region, dev_info.
  7206. port_feature_config[params->port].
  7207. config));
  7208. bnx2x_set_gpio_int(bp, gpio_num,
  7209. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7210. gpio_port);
  7211. /*
  7212. * Module was plugged out.
  7213. * Disable transmit for this module
  7214. */
  7215. phy->media_type = ETH_PHY_NOT_PRESENT;
  7216. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7217. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7218. CHIP_IS_E3(bp))
  7219. bnx2x_sfp_set_transmitter(params, phy, 0);
  7220. }
  7221. }
  7222. /******************************************************************/
  7223. /* Used by 8706 and 8727 */
  7224. /******************************************************************/
  7225. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7226. struct bnx2x_phy *phy,
  7227. u16 alarm_status_offset,
  7228. u16 alarm_ctrl_offset)
  7229. {
  7230. u16 alarm_status, val;
  7231. bnx2x_cl45_read(bp, phy,
  7232. MDIO_PMA_DEVAD, alarm_status_offset,
  7233. &alarm_status);
  7234. bnx2x_cl45_read(bp, phy,
  7235. MDIO_PMA_DEVAD, alarm_status_offset,
  7236. &alarm_status);
  7237. /* Mask or enable the fault event. */
  7238. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7239. if (alarm_status & (1<<0))
  7240. val &= ~(1<<0);
  7241. else
  7242. val |= (1<<0);
  7243. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7244. }
  7245. /******************************************************************/
  7246. /* common BCM8706/BCM8726 PHY SECTION */
  7247. /******************************************************************/
  7248. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7249. struct link_params *params,
  7250. struct link_vars *vars)
  7251. {
  7252. u8 link_up = 0;
  7253. u16 val1, val2, rx_sd, pcs_status;
  7254. struct bnx2x *bp = params->bp;
  7255. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7256. /* Clear RX Alarm*/
  7257. bnx2x_cl45_read(bp, phy,
  7258. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7259. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7260. MDIO_PMA_LASI_TXCTRL);
  7261. /* clear LASI indication*/
  7262. bnx2x_cl45_read(bp, phy,
  7263. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7264. bnx2x_cl45_read(bp, phy,
  7265. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7266. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7267. bnx2x_cl45_read(bp, phy,
  7268. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7269. bnx2x_cl45_read(bp, phy,
  7270. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7271. bnx2x_cl45_read(bp, phy,
  7272. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7273. bnx2x_cl45_read(bp, phy,
  7274. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7275. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7276. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7277. /*
  7278. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7279. * are set, or if the autoneg bit 1 is set
  7280. */
  7281. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7282. if (link_up) {
  7283. if (val2 & (1<<1))
  7284. vars->line_speed = SPEED_1000;
  7285. else
  7286. vars->line_speed = SPEED_10000;
  7287. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7288. vars->duplex = DUPLEX_FULL;
  7289. }
  7290. /* Capture 10G link fault. Read twice to clear stale value. */
  7291. if (vars->line_speed == SPEED_10000) {
  7292. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7293. MDIO_PMA_LASI_TXSTAT, &val1);
  7294. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7295. MDIO_PMA_LASI_TXSTAT, &val1);
  7296. if (val1 & (1<<0))
  7297. vars->fault_detected = 1;
  7298. }
  7299. return link_up;
  7300. }
  7301. /******************************************************************/
  7302. /* BCM8706 PHY SECTION */
  7303. /******************************************************************/
  7304. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7305. struct link_params *params,
  7306. struct link_vars *vars)
  7307. {
  7308. u32 tx_en_mode;
  7309. u16 cnt, val, tmp1;
  7310. struct bnx2x *bp = params->bp;
  7311. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7312. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7313. /* HW reset */
  7314. bnx2x_ext_phy_hw_reset(bp, params->port);
  7315. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7316. bnx2x_wait_reset_complete(bp, phy, params);
  7317. /* Wait until fw is loaded */
  7318. for (cnt = 0; cnt < 100; cnt++) {
  7319. bnx2x_cl45_read(bp, phy,
  7320. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7321. if (val)
  7322. break;
  7323. msleep(10);
  7324. }
  7325. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7326. if ((params->feature_config_flags &
  7327. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7328. u8 i;
  7329. u16 reg;
  7330. for (i = 0; i < 4; i++) {
  7331. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7332. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7333. MDIO_XS_8706_REG_BANK_RX0);
  7334. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7335. /* Clear first 3 bits of the control */
  7336. val &= ~0x7;
  7337. /* Set control bits according to configuration */
  7338. val |= (phy->rx_preemphasis[i] & 0x7);
  7339. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7340. " reg 0x%x <-- val 0x%x\n", reg, val);
  7341. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7342. }
  7343. }
  7344. /* Force speed */
  7345. if (phy->req_line_speed == SPEED_10000) {
  7346. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7347. bnx2x_cl45_write(bp, phy,
  7348. MDIO_PMA_DEVAD,
  7349. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7350. bnx2x_cl45_write(bp, phy,
  7351. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7352. 0);
  7353. /* Arm LASI for link and Tx fault. */
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7356. } else {
  7357. /* Force 1Gbps using autoneg with 1G advertisement */
  7358. /* Allow CL37 through CL73 */
  7359. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7360. bnx2x_cl45_write(bp, phy,
  7361. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7362. /* Enable Full-Duplex advertisement on CL37 */
  7363. bnx2x_cl45_write(bp, phy,
  7364. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7365. /* Enable CL37 AN */
  7366. bnx2x_cl45_write(bp, phy,
  7367. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7368. /* 1G support */
  7369. bnx2x_cl45_write(bp, phy,
  7370. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7371. /* Enable clause 73 AN */
  7372. bnx2x_cl45_write(bp, phy,
  7373. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7374. bnx2x_cl45_write(bp, phy,
  7375. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7376. 0x0400);
  7377. bnx2x_cl45_write(bp, phy,
  7378. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7379. 0x0004);
  7380. }
  7381. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7382. /*
  7383. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7384. * power mode, if TX Laser is disabled
  7385. */
  7386. tx_en_mode = REG_RD(bp, params->shmem_base +
  7387. offsetof(struct shmem_region,
  7388. dev_info.port_hw_config[params->port].sfp_ctrl))
  7389. & PORT_HW_CFG_TX_LASER_MASK;
  7390. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7391. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7392. bnx2x_cl45_read(bp, phy,
  7393. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7394. tmp1 |= 0x1;
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7397. }
  7398. return 0;
  7399. }
  7400. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7401. struct link_params *params,
  7402. struct link_vars *vars)
  7403. {
  7404. return bnx2x_8706_8726_read_status(phy, params, vars);
  7405. }
  7406. /******************************************************************/
  7407. /* BCM8726 PHY SECTION */
  7408. /******************************************************************/
  7409. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7410. struct link_params *params)
  7411. {
  7412. struct bnx2x *bp = params->bp;
  7413. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7414. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7415. }
  7416. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7417. struct link_params *params)
  7418. {
  7419. struct bnx2x *bp = params->bp;
  7420. /* Need to wait 100ms after reset */
  7421. msleep(100);
  7422. /* Micro controller re-boot */
  7423. bnx2x_cl45_write(bp, phy,
  7424. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7425. /* Set soft reset */
  7426. bnx2x_cl45_write(bp, phy,
  7427. MDIO_PMA_DEVAD,
  7428. MDIO_PMA_REG_GEN_CTRL,
  7429. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7430. bnx2x_cl45_write(bp, phy,
  7431. MDIO_PMA_DEVAD,
  7432. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7433. bnx2x_cl45_write(bp, phy,
  7434. MDIO_PMA_DEVAD,
  7435. MDIO_PMA_REG_GEN_CTRL,
  7436. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7437. /* wait for 150ms for microcode load */
  7438. msleep(150);
  7439. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7440. bnx2x_cl45_write(bp, phy,
  7441. MDIO_PMA_DEVAD,
  7442. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7443. msleep(200);
  7444. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7445. }
  7446. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7447. struct link_params *params,
  7448. struct link_vars *vars)
  7449. {
  7450. struct bnx2x *bp = params->bp;
  7451. u16 val1;
  7452. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7453. if (link_up) {
  7454. bnx2x_cl45_read(bp, phy,
  7455. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7456. &val1);
  7457. if (val1 & (1<<15)) {
  7458. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7459. link_up = 0;
  7460. vars->line_speed = 0;
  7461. }
  7462. }
  7463. return link_up;
  7464. }
  7465. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7466. struct link_params *params,
  7467. struct link_vars *vars)
  7468. {
  7469. struct bnx2x *bp = params->bp;
  7470. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7471. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7472. bnx2x_wait_reset_complete(bp, phy, params);
  7473. bnx2x_8726_external_rom_boot(phy, params);
  7474. /*
  7475. * Need to call module detected on initialization since the module
  7476. * detection triggered by actual module insertion might occur before
  7477. * driver is loaded, and when driver is loaded, it reset all
  7478. * registers, including the transmitter
  7479. */
  7480. bnx2x_sfp_module_detection(phy, params);
  7481. if (phy->req_line_speed == SPEED_1000) {
  7482. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7483. bnx2x_cl45_write(bp, phy,
  7484. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7485. bnx2x_cl45_write(bp, phy,
  7486. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7487. bnx2x_cl45_write(bp, phy,
  7488. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7489. bnx2x_cl45_write(bp, phy,
  7490. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7491. 0x400);
  7492. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7493. (phy->speed_cap_mask &
  7494. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7495. ((phy->speed_cap_mask &
  7496. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7497. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7498. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7499. /* Set Flow control */
  7500. bnx2x_ext_phy_set_pause(params, phy, vars);
  7501. bnx2x_cl45_write(bp, phy,
  7502. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7503. bnx2x_cl45_write(bp, phy,
  7504. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7505. bnx2x_cl45_write(bp, phy,
  7506. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7507. bnx2x_cl45_write(bp, phy,
  7508. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7509. bnx2x_cl45_write(bp, phy,
  7510. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7511. /*
  7512. * Enable RX-ALARM control to receive interrupt for 1G speed
  7513. * change
  7514. */
  7515. bnx2x_cl45_write(bp, phy,
  7516. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7517. bnx2x_cl45_write(bp, phy,
  7518. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7519. 0x400);
  7520. } else { /* Default 10G. Set only LASI control */
  7521. bnx2x_cl45_write(bp, phy,
  7522. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7523. }
  7524. /* Set TX PreEmphasis if needed */
  7525. if ((params->feature_config_flags &
  7526. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7527. DP(NETIF_MSG_LINK,
  7528. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7529. phy->tx_preemphasis[0],
  7530. phy->tx_preemphasis[1]);
  7531. bnx2x_cl45_write(bp, phy,
  7532. MDIO_PMA_DEVAD,
  7533. MDIO_PMA_REG_8726_TX_CTRL1,
  7534. phy->tx_preemphasis[0]);
  7535. bnx2x_cl45_write(bp, phy,
  7536. MDIO_PMA_DEVAD,
  7537. MDIO_PMA_REG_8726_TX_CTRL2,
  7538. phy->tx_preemphasis[1]);
  7539. }
  7540. return 0;
  7541. }
  7542. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7543. struct link_params *params)
  7544. {
  7545. struct bnx2x *bp = params->bp;
  7546. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7547. /* Set serial boot control for external load */
  7548. bnx2x_cl45_write(bp, phy,
  7549. MDIO_PMA_DEVAD,
  7550. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7551. }
  7552. /******************************************************************/
  7553. /* BCM8727 PHY SECTION */
  7554. /******************************************************************/
  7555. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7556. struct link_params *params, u8 mode)
  7557. {
  7558. struct bnx2x *bp = params->bp;
  7559. u16 led_mode_bitmask = 0;
  7560. u16 gpio_pins_bitmask = 0;
  7561. u16 val;
  7562. /* Only NOC flavor requires to set the LED specifically */
  7563. if (!(phy->flags & FLAGS_NOC))
  7564. return;
  7565. switch (mode) {
  7566. case LED_MODE_FRONT_PANEL_OFF:
  7567. case LED_MODE_OFF:
  7568. led_mode_bitmask = 0;
  7569. gpio_pins_bitmask = 0x03;
  7570. break;
  7571. case LED_MODE_ON:
  7572. led_mode_bitmask = 0;
  7573. gpio_pins_bitmask = 0x02;
  7574. break;
  7575. case LED_MODE_OPER:
  7576. led_mode_bitmask = 0x60;
  7577. gpio_pins_bitmask = 0x11;
  7578. break;
  7579. }
  7580. bnx2x_cl45_read(bp, phy,
  7581. MDIO_PMA_DEVAD,
  7582. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7583. &val);
  7584. val &= 0xff8f;
  7585. val |= led_mode_bitmask;
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_PMA_DEVAD,
  7588. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7589. val);
  7590. bnx2x_cl45_read(bp, phy,
  7591. MDIO_PMA_DEVAD,
  7592. MDIO_PMA_REG_8727_GPIO_CTRL,
  7593. &val);
  7594. val &= 0xffe0;
  7595. val |= gpio_pins_bitmask;
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_PMA_DEVAD,
  7598. MDIO_PMA_REG_8727_GPIO_CTRL,
  7599. val);
  7600. }
  7601. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7602. struct link_params *params) {
  7603. u32 swap_val, swap_override;
  7604. u8 port;
  7605. /*
  7606. * The PHY reset is controlled by GPIO 1. Fake the port number
  7607. * to cancel the swap done in set_gpio()
  7608. */
  7609. struct bnx2x *bp = params->bp;
  7610. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7611. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7612. port = (swap_val && swap_override) ^ 1;
  7613. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7614. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7615. }
  7616. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7617. struct link_params *params,
  7618. struct link_vars *vars)
  7619. {
  7620. u32 tx_en_mode;
  7621. u16 tmp1, val, mod_abs, tmp2;
  7622. u16 rx_alarm_ctrl_val;
  7623. u16 lasi_ctrl_val;
  7624. struct bnx2x *bp = params->bp;
  7625. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7626. bnx2x_wait_reset_complete(bp, phy, params);
  7627. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7628. /* Should be 0x6 to enable XS on Tx side. */
  7629. lasi_ctrl_val = 0x0006;
  7630. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7631. /* enable LASI */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7634. rx_alarm_ctrl_val);
  7635. bnx2x_cl45_write(bp, phy,
  7636. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7637. 0);
  7638. bnx2x_cl45_write(bp, phy,
  7639. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7640. /*
  7641. * Initially configure MOD_ABS to interrupt when module is
  7642. * presence( bit 8)
  7643. */
  7644. bnx2x_cl45_read(bp, phy,
  7645. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7646. /*
  7647. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7648. * When the EDC is off it locks onto a reference clock and avoids
  7649. * becoming 'lost'
  7650. */
  7651. mod_abs &= ~(1<<8);
  7652. if (!(phy->flags & FLAGS_NOC))
  7653. mod_abs &= ~(1<<9);
  7654. bnx2x_cl45_write(bp, phy,
  7655. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7656. /* Enable/Disable PHY transmitter output */
  7657. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7658. /* Make MOD_ABS give interrupt on change */
  7659. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7660. &val);
  7661. val |= (1<<12);
  7662. if (phy->flags & FLAGS_NOC)
  7663. val |= (3<<5);
  7664. /*
  7665. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7666. * status which reflect SFP+ module over-current
  7667. */
  7668. if (!(phy->flags & FLAGS_NOC))
  7669. val &= 0xff8f; /* Reset bits 4-6 */
  7670. bnx2x_cl45_write(bp, phy,
  7671. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7672. bnx2x_8727_power_module(bp, phy, 1);
  7673. bnx2x_cl45_read(bp, phy,
  7674. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7675. bnx2x_cl45_read(bp, phy,
  7676. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7677. /* Set option 1G speed */
  7678. if (phy->req_line_speed == SPEED_1000) {
  7679. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7680. bnx2x_cl45_write(bp, phy,
  7681. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7682. bnx2x_cl45_write(bp, phy,
  7683. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7686. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7687. /*
  7688. * Power down the XAUI until link is up in case of dual-media
  7689. * and 1G
  7690. */
  7691. if (DUAL_MEDIA(params)) {
  7692. bnx2x_cl45_read(bp, phy,
  7693. MDIO_PMA_DEVAD,
  7694. MDIO_PMA_REG_8727_PCS_GP, &val);
  7695. val |= (3<<10);
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_PMA_DEVAD,
  7698. MDIO_PMA_REG_8727_PCS_GP, val);
  7699. }
  7700. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7701. ((phy->speed_cap_mask &
  7702. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7703. ((phy->speed_cap_mask &
  7704. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7705. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7706. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7709. bnx2x_cl45_write(bp, phy,
  7710. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7711. } else {
  7712. /*
  7713. * Since the 8727 has only single reset pin, need to set the 10G
  7714. * registers although it is default
  7715. */
  7716. bnx2x_cl45_write(bp, phy,
  7717. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7718. 0x0020);
  7719. bnx2x_cl45_write(bp, phy,
  7720. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7721. bnx2x_cl45_write(bp, phy,
  7722. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7723. bnx2x_cl45_write(bp, phy,
  7724. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7725. 0x0008);
  7726. }
  7727. /*
  7728. * Set 2-wire transfer rate of SFP+ module EEPROM
  7729. * to 100Khz since some DACs(direct attached cables) do
  7730. * not work at 400Khz.
  7731. */
  7732. bnx2x_cl45_write(bp, phy,
  7733. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7734. 0xa001);
  7735. /* Set TX PreEmphasis if needed */
  7736. if ((params->feature_config_flags &
  7737. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7738. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7739. phy->tx_preemphasis[0],
  7740. phy->tx_preemphasis[1]);
  7741. bnx2x_cl45_write(bp, phy,
  7742. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7743. phy->tx_preemphasis[0]);
  7744. bnx2x_cl45_write(bp, phy,
  7745. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7746. phy->tx_preemphasis[1]);
  7747. }
  7748. /*
  7749. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7750. * power mode, if TX Laser is disabled
  7751. */
  7752. tx_en_mode = REG_RD(bp, params->shmem_base +
  7753. offsetof(struct shmem_region,
  7754. dev_info.port_hw_config[params->port].sfp_ctrl))
  7755. & PORT_HW_CFG_TX_LASER_MASK;
  7756. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7757. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7758. bnx2x_cl45_read(bp, phy,
  7759. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7760. tmp2 |= 0x1000;
  7761. tmp2 &= 0xFFEF;
  7762. bnx2x_cl45_write(bp, phy,
  7763. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7764. }
  7765. return 0;
  7766. }
  7767. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7768. struct link_params *params)
  7769. {
  7770. struct bnx2x *bp = params->bp;
  7771. u16 mod_abs, rx_alarm_status;
  7772. u32 val = REG_RD(bp, params->shmem_base +
  7773. offsetof(struct shmem_region, dev_info.
  7774. port_feature_config[params->port].
  7775. config));
  7776. bnx2x_cl45_read(bp, phy,
  7777. MDIO_PMA_DEVAD,
  7778. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7779. if (mod_abs & (1<<8)) {
  7780. /* Module is absent */
  7781. DP(NETIF_MSG_LINK,
  7782. "MOD_ABS indication show module is absent\n");
  7783. phy->media_type = ETH_PHY_NOT_PRESENT;
  7784. /*
  7785. * 1. Set mod_abs to detect next module
  7786. * presence event
  7787. * 2. Set EDC off by setting OPTXLOS signal input to low
  7788. * (bit 9).
  7789. * When the EDC is off it locks onto a reference clock and
  7790. * avoids becoming 'lost'.
  7791. */
  7792. mod_abs &= ~(1<<8);
  7793. if (!(phy->flags & FLAGS_NOC))
  7794. mod_abs &= ~(1<<9);
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_PMA_DEVAD,
  7797. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7798. /*
  7799. * Clear RX alarm since it stays up as long as
  7800. * the mod_abs wasn't changed
  7801. */
  7802. bnx2x_cl45_read(bp, phy,
  7803. MDIO_PMA_DEVAD,
  7804. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7805. } else {
  7806. /* Module is present */
  7807. DP(NETIF_MSG_LINK,
  7808. "MOD_ABS indication show module is present\n");
  7809. /*
  7810. * First disable transmitter, and if the module is ok, the
  7811. * module_detection will enable it
  7812. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7813. * 2. Restore the default polarity of the OPRXLOS signal and
  7814. * this signal will then correctly indicate the presence or
  7815. * absence of the Rx signal. (bit 9)
  7816. */
  7817. mod_abs |= (1<<8);
  7818. if (!(phy->flags & FLAGS_NOC))
  7819. mod_abs |= (1<<9);
  7820. bnx2x_cl45_write(bp, phy,
  7821. MDIO_PMA_DEVAD,
  7822. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7823. /*
  7824. * Clear RX alarm since it stays up as long as the mod_abs
  7825. * wasn't changed. This is need to be done before calling the
  7826. * module detection, otherwise it will clear* the link update
  7827. * alarm
  7828. */
  7829. bnx2x_cl45_read(bp, phy,
  7830. MDIO_PMA_DEVAD,
  7831. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7832. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7833. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7834. bnx2x_sfp_set_transmitter(params, phy, 0);
  7835. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7836. bnx2x_sfp_module_detection(phy, params);
  7837. else
  7838. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7839. }
  7840. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7841. rx_alarm_status);
  7842. /* No need to check link status in case of module plugged in/out */
  7843. }
  7844. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7845. struct link_params *params,
  7846. struct link_vars *vars)
  7847. {
  7848. struct bnx2x *bp = params->bp;
  7849. u8 link_up = 0, oc_port = params->port;
  7850. u16 link_status = 0;
  7851. u16 rx_alarm_status, lasi_ctrl, val1;
  7852. /* If PHY is not initialized, do not check link status */
  7853. bnx2x_cl45_read(bp, phy,
  7854. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7855. &lasi_ctrl);
  7856. if (!lasi_ctrl)
  7857. return 0;
  7858. /* Check the LASI on Rx */
  7859. bnx2x_cl45_read(bp, phy,
  7860. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7861. &rx_alarm_status);
  7862. vars->line_speed = 0;
  7863. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7864. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7865. MDIO_PMA_LASI_TXCTRL);
  7866. bnx2x_cl45_read(bp, phy,
  7867. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7868. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7869. /* Clear MSG-OUT */
  7870. bnx2x_cl45_read(bp, phy,
  7871. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7872. /*
  7873. * If a module is present and there is need to check
  7874. * for over current
  7875. */
  7876. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7877. /* Check over-current using 8727 GPIO0 input*/
  7878. bnx2x_cl45_read(bp, phy,
  7879. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7880. &val1);
  7881. if ((val1 & (1<<8)) == 0) {
  7882. if (!CHIP_IS_E1x(bp))
  7883. oc_port = BP_PATH(bp) + (params->port << 1);
  7884. DP(NETIF_MSG_LINK,
  7885. "8727 Power fault has been detected on port %d\n",
  7886. oc_port);
  7887. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7888. " been detected and the power to "
  7889. "that SFP+ module has been removed"
  7890. " to prevent failure of the card."
  7891. " Please remove the SFP+ module and"
  7892. " restart the system to clear this"
  7893. " error.\n",
  7894. oc_port);
  7895. /* Disable all RX_ALARMs except for mod_abs */
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD,
  7898. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7899. bnx2x_cl45_read(bp, phy,
  7900. MDIO_PMA_DEVAD,
  7901. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7902. /* Wait for module_absent_event */
  7903. val1 |= (1<<8);
  7904. bnx2x_cl45_write(bp, phy,
  7905. MDIO_PMA_DEVAD,
  7906. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7907. /* Clear RX alarm */
  7908. bnx2x_cl45_read(bp, phy,
  7909. MDIO_PMA_DEVAD,
  7910. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7911. return 0;
  7912. }
  7913. } /* Over current check */
  7914. /* When module absent bit is set, check module */
  7915. if (rx_alarm_status & (1<<5)) {
  7916. bnx2x_8727_handle_mod_abs(phy, params);
  7917. /* Enable all mod_abs and link detection bits */
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7920. ((1<<5) | (1<<2)));
  7921. }
  7922. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7923. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7924. /* If transmitter is disabled, ignore false link up indication */
  7925. bnx2x_cl45_read(bp, phy,
  7926. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7927. if (val1 & (1<<15)) {
  7928. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7929. return 0;
  7930. }
  7931. bnx2x_cl45_read(bp, phy,
  7932. MDIO_PMA_DEVAD,
  7933. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7934. /*
  7935. * Bits 0..2 --> speed detected,
  7936. * Bits 13..15--> link is down
  7937. */
  7938. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7939. link_up = 1;
  7940. vars->line_speed = SPEED_10000;
  7941. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7942. params->port);
  7943. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7944. link_up = 1;
  7945. vars->line_speed = SPEED_1000;
  7946. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7947. params->port);
  7948. } else {
  7949. link_up = 0;
  7950. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7951. params->port);
  7952. }
  7953. /* Capture 10G link fault. */
  7954. if (vars->line_speed == SPEED_10000) {
  7955. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7956. MDIO_PMA_LASI_TXSTAT, &val1);
  7957. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7958. MDIO_PMA_LASI_TXSTAT, &val1);
  7959. if (val1 & (1<<0)) {
  7960. vars->fault_detected = 1;
  7961. }
  7962. }
  7963. if (link_up) {
  7964. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7965. vars->duplex = DUPLEX_FULL;
  7966. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7967. }
  7968. if ((DUAL_MEDIA(params)) &&
  7969. (phy->req_line_speed == SPEED_1000)) {
  7970. bnx2x_cl45_read(bp, phy,
  7971. MDIO_PMA_DEVAD,
  7972. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7973. /*
  7974. * In case of dual-media board and 1G, power up the XAUI side,
  7975. * otherwise power it down. For 10G it is done automatically
  7976. */
  7977. if (link_up)
  7978. val1 &= ~(3<<10);
  7979. else
  7980. val1 |= (3<<10);
  7981. bnx2x_cl45_write(bp, phy,
  7982. MDIO_PMA_DEVAD,
  7983. MDIO_PMA_REG_8727_PCS_GP, val1);
  7984. }
  7985. return link_up;
  7986. }
  7987. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7988. struct link_params *params)
  7989. {
  7990. struct bnx2x *bp = params->bp;
  7991. /* Enable/Disable PHY transmitter output */
  7992. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  7993. /* Disable Transmitter */
  7994. bnx2x_sfp_set_transmitter(params, phy, 0);
  7995. /* Clear LASI */
  7996. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7997. }
  7998. /******************************************************************/
  7999. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8000. /******************************************************************/
  8001. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8002. struct link_params *params)
  8003. {
  8004. u16 val, fw_ver1, fw_ver2, cnt;
  8005. u8 port;
  8006. struct bnx2x *bp = params->bp;
  8007. port = params->port;
  8008. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8009. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8010. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8011. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8012. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8013. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8014. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8015. for (cnt = 0; cnt < 100; cnt++) {
  8016. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8017. if (val & 1)
  8018. break;
  8019. udelay(5);
  8020. }
  8021. if (cnt == 100) {
  8022. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8023. bnx2x_save_spirom_version(bp, port, 0,
  8024. phy->ver_addr);
  8025. return;
  8026. }
  8027. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8028. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8029. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8030. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8031. for (cnt = 0; cnt < 100; cnt++) {
  8032. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8033. if (val & 1)
  8034. break;
  8035. udelay(5);
  8036. }
  8037. if (cnt == 100) {
  8038. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8039. bnx2x_save_spirom_version(bp, port, 0,
  8040. phy->ver_addr);
  8041. return;
  8042. }
  8043. /* lower 16 bits of the register SPI_FW_STATUS */
  8044. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8045. /* upper 16 bits of register SPI_FW_STATUS */
  8046. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8047. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8048. phy->ver_addr);
  8049. }
  8050. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8051. struct bnx2x_phy *phy)
  8052. {
  8053. u16 val;
  8054. /* PHYC_CTL_LED_CTL */
  8055. bnx2x_cl45_read(bp, phy,
  8056. MDIO_PMA_DEVAD,
  8057. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8058. val &= 0xFE00;
  8059. val |= 0x0092;
  8060. bnx2x_cl45_write(bp, phy,
  8061. MDIO_PMA_DEVAD,
  8062. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_PMA_DEVAD,
  8065. MDIO_PMA_REG_8481_LED1_MASK,
  8066. 0x80);
  8067. bnx2x_cl45_write(bp, phy,
  8068. MDIO_PMA_DEVAD,
  8069. MDIO_PMA_REG_8481_LED2_MASK,
  8070. 0x18);
  8071. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8072. bnx2x_cl45_write(bp, phy,
  8073. MDIO_PMA_DEVAD,
  8074. MDIO_PMA_REG_8481_LED3_MASK,
  8075. 0x0006);
  8076. /* Select the closest activity blink rate to that in 10/100/1000 */
  8077. bnx2x_cl45_write(bp, phy,
  8078. MDIO_PMA_DEVAD,
  8079. MDIO_PMA_REG_8481_LED3_BLINK,
  8080. 0);
  8081. bnx2x_cl45_read(bp, phy,
  8082. MDIO_PMA_DEVAD,
  8083. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8084. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8085. bnx2x_cl45_write(bp, phy,
  8086. MDIO_PMA_DEVAD,
  8087. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8088. /* 'Interrupt Mask' */
  8089. bnx2x_cl45_write(bp, phy,
  8090. MDIO_AN_DEVAD,
  8091. 0xFFFB, 0xFFFD);
  8092. }
  8093. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8094. struct link_params *params,
  8095. struct link_vars *vars)
  8096. {
  8097. struct bnx2x *bp = params->bp;
  8098. u16 autoneg_val, an_1000_val, an_10_100_val;
  8099. u16 tmp_req_line_speed;
  8100. tmp_req_line_speed = phy->req_line_speed;
  8101. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8102. if (phy->req_line_speed == SPEED_10000)
  8103. phy->req_line_speed = SPEED_AUTO_NEG;
  8104. /*
  8105. * This phy uses the NIG latch mechanism since link indication
  8106. * arrives through its LED4 and not via its LASI signal, so we
  8107. * get steady signal instead of clear on read
  8108. */
  8109. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8110. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8111. bnx2x_cl45_write(bp, phy,
  8112. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8113. bnx2x_848xx_set_led(bp, phy);
  8114. /* set 1000 speed advertisement */
  8115. bnx2x_cl45_read(bp, phy,
  8116. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8117. &an_1000_val);
  8118. bnx2x_ext_phy_set_pause(params, phy, vars);
  8119. bnx2x_cl45_read(bp, phy,
  8120. MDIO_AN_DEVAD,
  8121. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8122. &an_10_100_val);
  8123. bnx2x_cl45_read(bp, phy,
  8124. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8125. &autoneg_val);
  8126. /* Disable forced speed */
  8127. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8128. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8129. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8130. (phy->speed_cap_mask &
  8131. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8132. (phy->req_line_speed == SPEED_1000)) {
  8133. an_1000_val |= (1<<8);
  8134. autoneg_val |= (1<<9 | 1<<12);
  8135. if (phy->req_duplex == DUPLEX_FULL)
  8136. an_1000_val |= (1<<9);
  8137. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8138. } else
  8139. an_1000_val &= ~((1<<8) | (1<<9));
  8140. bnx2x_cl45_write(bp, phy,
  8141. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8142. an_1000_val);
  8143. /* set 100 speed advertisement */
  8144. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8145. (phy->speed_cap_mask &
  8146. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8147. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8148. (phy->supported &
  8149. (SUPPORTED_100baseT_Half |
  8150. SUPPORTED_100baseT_Full)))) {
  8151. an_10_100_val |= (1<<7);
  8152. /* Enable autoneg and restart autoneg for legacy speeds */
  8153. autoneg_val |= (1<<9 | 1<<12);
  8154. if (phy->req_duplex == DUPLEX_FULL)
  8155. an_10_100_val |= (1<<8);
  8156. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8157. }
  8158. /* set 10 speed advertisement */
  8159. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8160. (phy->speed_cap_mask &
  8161. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8162. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8163. (phy->supported &
  8164. (SUPPORTED_10baseT_Half |
  8165. SUPPORTED_10baseT_Full)))) {
  8166. an_10_100_val |= (1<<5);
  8167. autoneg_val |= (1<<9 | 1<<12);
  8168. if (phy->req_duplex == DUPLEX_FULL)
  8169. an_10_100_val |= (1<<6);
  8170. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8171. }
  8172. /* Only 10/100 are allowed to work in FORCE mode */
  8173. if ((phy->req_line_speed == SPEED_100) &&
  8174. (phy->supported &
  8175. (SUPPORTED_100baseT_Half |
  8176. SUPPORTED_100baseT_Full))) {
  8177. autoneg_val |= (1<<13);
  8178. /* Enabled AUTO-MDIX when autoneg is disabled */
  8179. bnx2x_cl45_write(bp, phy,
  8180. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8181. (1<<15 | 1<<9 | 7<<0));
  8182. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8183. }
  8184. if ((phy->req_line_speed == SPEED_10) &&
  8185. (phy->supported &
  8186. (SUPPORTED_10baseT_Half |
  8187. SUPPORTED_10baseT_Full))) {
  8188. /* Enabled AUTO-MDIX when autoneg is disabled */
  8189. bnx2x_cl45_write(bp, phy,
  8190. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8191. (1<<15 | 1<<9 | 7<<0));
  8192. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8193. }
  8194. bnx2x_cl45_write(bp, phy,
  8195. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8196. an_10_100_val);
  8197. if (phy->req_duplex == DUPLEX_FULL)
  8198. autoneg_val |= (1<<8);
  8199. /*
  8200. * Always write this if this is not 84833.
  8201. * For 84833, write it only when it's a forced speed.
  8202. */
  8203. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8204. ((autoneg_val & (1<<12)) == 0))
  8205. bnx2x_cl45_write(bp, phy,
  8206. MDIO_AN_DEVAD,
  8207. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8208. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8209. (phy->speed_cap_mask &
  8210. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8211. (phy->req_line_speed == SPEED_10000)) {
  8212. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8213. /* Restart autoneg for 10G*/
  8214. bnx2x_cl45_write(bp, phy,
  8215. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8216. 0x3200);
  8217. } else
  8218. bnx2x_cl45_write(bp, phy,
  8219. MDIO_AN_DEVAD,
  8220. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8221. 1);
  8222. /* Save spirom version */
  8223. bnx2x_save_848xx_spirom_version(phy, params);
  8224. phy->req_line_speed = tmp_req_line_speed;
  8225. return 0;
  8226. }
  8227. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8228. struct link_params *params,
  8229. struct link_vars *vars)
  8230. {
  8231. struct bnx2x *bp = params->bp;
  8232. /* Restore normal power mode*/
  8233. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8234. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8235. /* HW reset */
  8236. bnx2x_ext_phy_hw_reset(bp, params->port);
  8237. bnx2x_wait_reset_complete(bp, phy, params);
  8238. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8239. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8240. }
  8241. #define PHY84833_HDSHK_WAIT 300
  8242. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8243. struct link_params *params,
  8244. struct link_vars *vars)
  8245. {
  8246. u32 idx;
  8247. u32 pair_swap;
  8248. u16 val;
  8249. u16 data;
  8250. struct bnx2x *bp = params->bp;
  8251. /* Do pair swap */
  8252. /* Check for configuration. */
  8253. pair_swap = REG_RD(bp, params->shmem_base +
  8254. offsetof(struct shmem_region,
  8255. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8256. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8257. if (pair_swap == 0)
  8258. return 0;
  8259. data = (u16)pair_swap;
  8260. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8261. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8262. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8263. PHY84833_CMD_OPEN_OVERRIDE);
  8264. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8265. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8266. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8267. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8268. break;
  8269. msleep(1);
  8270. }
  8271. if (idx >= PHY84833_HDSHK_WAIT) {
  8272. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8273. return -EINVAL;
  8274. }
  8275. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8276. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8277. data);
  8278. /* Issue pair swap command */
  8279. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8280. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8281. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8282. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8283. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8284. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8285. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8286. (val == PHY84833_CMD_COMPLETE_ERROR))
  8287. break;
  8288. msleep(1);
  8289. }
  8290. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8291. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8292. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8293. return -EINVAL;
  8294. }
  8295. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8296. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8297. PHY84833_CMD_CLEAR_COMPLETE);
  8298. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8299. return 0;
  8300. }
  8301. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8302. u32 shmem_base_path[],
  8303. u32 chip_id)
  8304. {
  8305. u32 reset_pin[2];
  8306. u32 idx;
  8307. u8 reset_gpios;
  8308. if (CHIP_IS_E3(bp)) {
  8309. /* Assume that these will be GPIOs, not EPIOs. */
  8310. for (idx = 0; idx < 2; idx++) {
  8311. /* Map config param to register bit. */
  8312. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8313. offsetof(struct shmem_region,
  8314. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8315. reset_pin[idx] = (reset_pin[idx] &
  8316. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8317. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8318. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8319. reset_pin[idx] = (1 << reset_pin[idx]);
  8320. }
  8321. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8322. } else {
  8323. /* E2, look from diff place of shmem. */
  8324. for (idx = 0; idx < 2; idx++) {
  8325. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8326. offsetof(struct shmem_region,
  8327. dev_info.port_hw_config[0].default_cfg));
  8328. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8329. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8330. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8331. reset_pin[idx] = (1 << reset_pin[idx]);
  8332. }
  8333. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8334. }
  8335. return reset_gpios;
  8336. }
  8337. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8338. struct link_params *params)
  8339. {
  8340. struct bnx2x *bp = params->bp;
  8341. u8 reset_gpios;
  8342. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8343. offsetof(struct shmem2_region,
  8344. other_shmem_base_addr));
  8345. u32 shmem_base_path[2];
  8346. shmem_base_path[0] = params->shmem_base;
  8347. shmem_base_path[1] = other_shmem_base_addr;
  8348. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8349. params->chip_id);
  8350. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8351. udelay(10);
  8352. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8353. reset_gpios);
  8354. return 0;
  8355. }
  8356. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8357. u32 shmem_base_path[],
  8358. u32 chip_id)
  8359. {
  8360. u8 reset_gpios;
  8361. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8362. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8363. udelay(10);
  8364. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8365. msleep(800);
  8366. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8367. reset_gpios);
  8368. return 0;
  8369. }
  8370. #define PHY84833_CONSTANT_LATENCY 1193
  8371. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8372. struct link_params *params,
  8373. struct link_vars *vars)
  8374. {
  8375. struct bnx2x *bp = params->bp;
  8376. u8 port, initialize = 1;
  8377. u16 val;
  8378. u16 temp;
  8379. u32 actual_phy_selection, cms_enable, idx;
  8380. int rc = 0;
  8381. msleep(1);
  8382. if (!(CHIP_IS_E1(bp)))
  8383. port = BP_PATH(bp);
  8384. else
  8385. port = params->port;
  8386. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8387. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8388. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8389. port);
  8390. } else {
  8391. /* MDIO reset */
  8392. bnx2x_cl45_write(bp, phy,
  8393. MDIO_PMA_DEVAD,
  8394. MDIO_PMA_REG_CTRL, 0x8000);
  8395. /* Bring PHY out of super isolate mode */
  8396. bnx2x_cl45_read(bp, phy,
  8397. MDIO_CTL_DEVAD,
  8398. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8399. val &= ~MDIO_84833_SUPER_ISOLATE;
  8400. bnx2x_cl45_write(bp, phy,
  8401. MDIO_CTL_DEVAD,
  8402. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8403. }
  8404. bnx2x_wait_reset_complete(bp, phy, params);
  8405. /* Wait for GPHY to come out of reset */
  8406. msleep(50);
  8407. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8408. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8409. /*
  8410. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8411. */
  8412. temp = vars->line_speed;
  8413. vars->line_speed = SPEED_10000;
  8414. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8415. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8416. vars->line_speed = temp;
  8417. /* Set dual-media configuration according to configuration */
  8418. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8419. MDIO_CTL_REG_84823_MEDIA, &val);
  8420. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8421. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8422. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8423. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8424. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8425. if (CHIP_IS_E3(bp)) {
  8426. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8427. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8428. } else {
  8429. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8430. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8431. }
  8432. actual_phy_selection = bnx2x_phy_selection(params);
  8433. switch (actual_phy_selection) {
  8434. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8435. /* Do nothing. Essentially this is like the priority copper */
  8436. break;
  8437. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8438. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8439. break;
  8440. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8441. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8442. break;
  8443. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8444. /* Do nothing here. The first PHY won't be initialized at all */
  8445. break;
  8446. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8447. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8448. initialize = 0;
  8449. break;
  8450. }
  8451. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8452. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8453. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8454. MDIO_CTL_REG_84823_MEDIA, val);
  8455. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8456. params->multi_phy_config, val);
  8457. /* AutogrEEEn */
  8458. if (params->feature_config_flags &
  8459. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8460. /* Ensure that f/w is ready */
  8461. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8462. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8463. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8464. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8465. break;
  8466. usleep_range(1000, 1000);
  8467. }
  8468. if (idx >= PHY84833_HDSHK_WAIT) {
  8469. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8470. return -EINVAL;
  8471. }
  8472. /* Select EEE mode */
  8473. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8474. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8475. 0x2);
  8476. /* Set Idle and Latency */
  8477. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8478. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8479. PHY84833_CONSTANT_LATENCY + 1);
  8480. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8481. MDIO_84833_TOP_CFG_DATA3_REG,
  8482. PHY84833_CONSTANT_LATENCY + 1);
  8483. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8484. MDIO_84833_TOP_CFG_DATA4_REG,
  8485. PHY84833_CONSTANT_LATENCY);
  8486. /* Send EEE instruction to command register */
  8487. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8488. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8489. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8490. /* Ensure that the command has completed */
  8491. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8492. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8493. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8494. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8495. (val == PHY84833_CMD_COMPLETE_ERROR))
  8496. break;
  8497. usleep_range(1000, 1000);
  8498. }
  8499. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8500. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8501. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8502. return -EINVAL;
  8503. }
  8504. /* Reset command handler */
  8505. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8506. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8507. PHY84833_CMD_CLEAR_COMPLETE);
  8508. }
  8509. if (initialize)
  8510. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8511. else
  8512. bnx2x_save_848xx_spirom_version(phy, params);
  8513. /* 84833 PHY has a better feature and doesn't need to support this. */
  8514. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8515. cms_enable = REG_RD(bp, params->shmem_base +
  8516. offsetof(struct shmem_region,
  8517. dev_info.port_hw_config[params->port].default_cfg)) &
  8518. PORT_HW_CFG_ENABLE_CMS_MASK;
  8519. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8520. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8521. if (cms_enable)
  8522. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8523. else
  8524. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8525. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8526. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8527. }
  8528. return rc;
  8529. }
  8530. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8531. struct link_params *params,
  8532. struct link_vars *vars)
  8533. {
  8534. struct bnx2x *bp = params->bp;
  8535. u16 val, val1, val2;
  8536. u8 link_up = 0;
  8537. /* Check 10G-BaseT link status */
  8538. /* Check PMD signal ok */
  8539. bnx2x_cl45_read(bp, phy,
  8540. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8541. bnx2x_cl45_read(bp, phy,
  8542. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8543. &val2);
  8544. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8545. /* Check link 10G */
  8546. if (val2 & (1<<11)) {
  8547. vars->line_speed = SPEED_10000;
  8548. vars->duplex = DUPLEX_FULL;
  8549. link_up = 1;
  8550. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8551. } else { /* Check Legacy speed link */
  8552. u16 legacy_status, legacy_speed;
  8553. /* Enable expansion register 0x42 (Operation mode status) */
  8554. bnx2x_cl45_write(bp, phy,
  8555. MDIO_AN_DEVAD,
  8556. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8557. /* Get legacy speed operation status */
  8558. bnx2x_cl45_read(bp, phy,
  8559. MDIO_AN_DEVAD,
  8560. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8561. &legacy_status);
  8562. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8563. legacy_status);
  8564. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8565. if (link_up) {
  8566. legacy_speed = (legacy_status & (3<<9));
  8567. if (legacy_speed == (0<<9))
  8568. vars->line_speed = SPEED_10;
  8569. else if (legacy_speed == (1<<9))
  8570. vars->line_speed = SPEED_100;
  8571. else if (legacy_speed == (2<<9))
  8572. vars->line_speed = SPEED_1000;
  8573. else /* Should not happen */
  8574. vars->line_speed = 0;
  8575. if (legacy_status & (1<<8))
  8576. vars->duplex = DUPLEX_FULL;
  8577. else
  8578. vars->duplex = DUPLEX_HALF;
  8579. DP(NETIF_MSG_LINK,
  8580. "Link is up in %dMbps, is_duplex_full= %d\n",
  8581. vars->line_speed,
  8582. (vars->duplex == DUPLEX_FULL));
  8583. /* Check legacy speed AN resolution */
  8584. bnx2x_cl45_read(bp, phy,
  8585. MDIO_AN_DEVAD,
  8586. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8587. &val);
  8588. if (val & (1<<5))
  8589. vars->link_status |=
  8590. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8591. bnx2x_cl45_read(bp, phy,
  8592. MDIO_AN_DEVAD,
  8593. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8594. &val);
  8595. if ((val & (1<<0)) == 0)
  8596. vars->link_status |=
  8597. LINK_STATUS_PARALLEL_DETECTION_USED;
  8598. }
  8599. }
  8600. if (link_up) {
  8601. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8602. vars->line_speed);
  8603. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8604. }
  8605. return link_up;
  8606. }
  8607. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8608. {
  8609. int status = 0;
  8610. u32 spirom_ver;
  8611. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8612. status = bnx2x_format_ver(spirom_ver, str, len);
  8613. return status;
  8614. }
  8615. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8616. struct link_params *params)
  8617. {
  8618. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8619. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8620. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8621. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8622. }
  8623. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8624. struct link_params *params)
  8625. {
  8626. bnx2x_cl45_write(params->bp, phy,
  8627. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8628. bnx2x_cl45_write(params->bp, phy,
  8629. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8630. }
  8631. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8632. struct link_params *params)
  8633. {
  8634. struct bnx2x *bp = params->bp;
  8635. u8 port;
  8636. u16 val16;
  8637. if (!(CHIP_IS_E1(bp)))
  8638. port = BP_PATH(bp);
  8639. else
  8640. port = params->port;
  8641. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8642. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8643. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8644. port);
  8645. } else {
  8646. bnx2x_cl45_read(bp, phy,
  8647. MDIO_CTL_DEVAD,
  8648. 0x400f, &val16);
  8649. bnx2x_cl45_write(bp, phy,
  8650. MDIO_PMA_DEVAD,
  8651. MDIO_PMA_REG_CTRL, 0x800);
  8652. }
  8653. }
  8654. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8655. struct link_params *params, u8 mode)
  8656. {
  8657. struct bnx2x *bp = params->bp;
  8658. u16 val;
  8659. u8 port;
  8660. if (!(CHIP_IS_E1(bp)))
  8661. port = BP_PATH(bp);
  8662. else
  8663. port = params->port;
  8664. switch (mode) {
  8665. case LED_MODE_OFF:
  8666. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8667. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8668. SHARED_HW_CFG_LED_EXTPHY1) {
  8669. /* Set LED masks */
  8670. bnx2x_cl45_write(bp, phy,
  8671. MDIO_PMA_DEVAD,
  8672. MDIO_PMA_REG_8481_LED1_MASK,
  8673. 0x0);
  8674. bnx2x_cl45_write(bp, phy,
  8675. MDIO_PMA_DEVAD,
  8676. MDIO_PMA_REG_8481_LED2_MASK,
  8677. 0x0);
  8678. bnx2x_cl45_write(bp, phy,
  8679. MDIO_PMA_DEVAD,
  8680. MDIO_PMA_REG_8481_LED3_MASK,
  8681. 0x0);
  8682. bnx2x_cl45_write(bp, phy,
  8683. MDIO_PMA_DEVAD,
  8684. MDIO_PMA_REG_8481_LED5_MASK,
  8685. 0x0);
  8686. } else {
  8687. bnx2x_cl45_write(bp, phy,
  8688. MDIO_PMA_DEVAD,
  8689. MDIO_PMA_REG_8481_LED1_MASK,
  8690. 0x0);
  8691. }
  8692. break;
  8693. case LED_MODE_FRONT_PANEL_OFF:
  8694. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8695. port);
  8696. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8697. SHARED_HW_CFG_LED_EXTPHY1) {
  8698. /* Set LED masks */
  8699. bnx2x_cl45_write(bp, phy,
  8700. MDIO_PMA_DEVAD,
  8701. MDIO_PMA_REG_8481_LED1_MASK,
  8702. 0x0);
  8703. bnx2x_cl45_write(bp, phy,
  8704. MDIO_PMA_DEVAD,
  8705. MDIO_PMA_REG_8481_LED2_MASK,
  8706. 0x0);
  8707. bnx2x_cl45_write(bp, phy,
  8708. MDIO_PMA_DEVAD,
  8709. MDIO_PMA_REG_8481_LED3_MASK,
  8710. 0x0);
  8711. bnx2x_cl45_write(bp, phy,
  8712. MDIO_PMA_DEVAD,
  8713. MDIO_PMA_REG_8481_LED5_MASK,
  8714. 0x20);
  8715. } else {
  8716. bnx2x_cl45_write(bp, phy,
  8717. MDIO_PMA_DEVAD,
  8718. MDIO_PMA_REG_8481_LED1_MASK,
  8719. 0x0);
  8720. }
  8721. break;
  8722. case LED_MODE_ON:
  8723. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8724. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8725. SHARED_HW_CFG_LED_EXTPHY1) {
  8726. /* Set control reg */
  8727. bnx2x_cl45_read(bp, phy,
  8728. MDIO_PMA_DEVAD,
  8729. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8730. &val);
  8731. val &= 0x8000;
  8732. val |= 0x2492;
  8733. bnx2x_cl45_write(bp, phy,
  8734. MDIO_PMA_DEVAD,
  8735. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8736. val);
  8737. /* Set LED masks */
  8738. bnx2x_cl45_write(bp, phy,
  8739. MDIO_PMA_DEVAD,
  8740. MDIO_PMA_REG_8481_LED1_MASK,
  8741. 0x0);
  8742. bnx2x_cl45_write(bp, phy,
  8743. MDIO_PMA_DEVAD,
  8744. MDIO_PMA_REG_8481_LED2_MASK,
  8745. 0x20);
  8746. bnx2x_cl45_write(bp, phy,
  8747. MDIO_PMA_DEVAD,
  8748. MDIO_PMA_REG_8481_LED3_MASK,
  8749. 0x20);
  8750. bnx2x_cl45_write(bp, phy,
  8751. MDIO_PMA_DEVAD,
  8752. MDIO_PMA_REG_8481_LED5_MASK,
  8753. 0x0);
  8754. } else {
  8755. bnx2x_cl45_write(bp, phy,
  8756. MDIO_PMA_DEVAD,
  8757. MDIO_PMA_REG_8481_LED1_MASK,
  8758. 0x20);
  8759. }
  8760. break;
  8761. case LED_MODE_OPER:
  8762. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8763. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8764. SHARED_HW_CFG_LED_EXTPHY1) {
  8765. /* Set control reg */
  8766. bnx2x_cl45_read(bp, phy,
  8767. MDIO_PMA_DEVAD,
  8768. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8769. &val);
  8770. if (!((val &
  8771. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8772. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8773. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8774. bnx2x_cl45_write(bp, phy,
  8775. MDIO_PMA_DEVAD,
  8776. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8777. 0xa492);
  8778. }
  8779. /* Set LED masks */
  8780. bnx2x_cl45_write(bp, phy,
  8781. MDIO_PMA_DEVAD,
  8782. MDIO_PMA_REG_8481_LED1_MASK,
  8783. 0x10);
  8784. bnx2x_cl45_write(bp, phy,
  8785. MDIO_PMA_DEVAD,
  8786. MDIO_PMA_REG_8481_LED2_MASK,
  8787. 0x80);
  8788. bnx2x_cl45_write(bp, phy,
  8789. MDIO_PMA_DEVAD,
  8790. MDIO_PMA_REG_8481_LED3_MASK,
  8791. 0x98);
  8792. bnx2x_cl45_write(bp, phy,
  8793. MDIO_PMA_DEVAD,
  8794. MDIO_PMA_REG_8481_LED5_MASK,
  8795. 0x40);
  8796. } else {
  8797. bnx2x_cl45_write(bp, phy,
  8798. MDIO_PMA_DEVAD,
  8799. MDIO_PMA_REG_8481_LED1_MASK,
  8800. 0x80);
  8801. /* Tell LED3 to blink on source */
  8802. bnx2x_cl45_read(bp, phy,
  8803. MDIO_PMA_DEVAD,
  8804. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8805. &val);
  8806. val &= ~(7<<6);
  8807. val |= (1<<6); /* A83B[8:6]= 1 */
  8808. bnx2x_cl45_write(bp, phy,
  8809. MDIO_PMA_DEVAD,
  8810. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8811. val);
  8812. }
  8813. break;
  8814. }
  8815. /*
  8816. * This is a workaround for E3+84833 until autoneg
  8817. * restart is fixed in f/w
  8818. */
  8819. if (CHIP_IS_E3(bp)) {
  8820. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8821. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8822. }
  8823. }
  8824. /******************************************************************/
  8825. /* 54618SE PHY SECTION */
  8826. /******************************************************************/
  8827. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8828. struct link_params *params,
  8829. struct link_vars *vars)
  8830. {
  8831. struct bnx2x *bp = params->bp;
  8832. u8 port;
  8833. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8834. u32 cfg_pin;
  8835. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8836. usleep_range(1000, 1000);
  8837. /* This works with E3 only, no need to check the chip
  8838. before determining the port. */
  8839. port = params->port;
  8840. cfg_pin = (REG_RD(bp, params->shmem_base +
  8841. offsetof(struct shmem_region,
  8842. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8843. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8844. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8845. /* Drive pin high to bring the GPHY out of reset. */
  8846. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8847. /* wait for GPHY to reset */
  8848. msleep(50);
  8849. /* reset phy */
  8850. bnx2x_cl22_write(bp, phy,
  8851. MDIO_PMA_REG_CTRL, 0x8000);
  8852. bnx2x_wait_reset_complete(bp, phy, params);
  8853. /*wait for GPHY to reset */
  8854. msleep(50);
  8855. /* Configure LED4: set to INTR (0x6). */
  8856. /* Accessing shadow register 0xe. */
  8857. bnx2x_cl22_write(bp, phy,
  8858. MDIO_REG_GPHY_SHADOW,
  8859. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8860. bnx2x_cl22_read(bp, phy,
  8861. MDIO_REG_GPHY_SHADOW,
  8862. &temp);
  8863. temp &= ~(0xf << 4);
  8864. temp |= (0x6 << 4);
  8865. bnx2x_cl22_write(bp, phy,
  8866. MDIO_REG_GPHY_SHADOW,
  8867. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8868. /* Configure INTR based on link status change. */
  8869. bnx2x_cl22_write(bp, phy,
  8870. MDIO_REG_INTR_MASK,
  8871. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8872. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8873. bnx2x_cl22_write(bp, phy,
  8874. MDIO_REG_GPHY_SHADOW,
  8875. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8876. bnx2x_cl22_read(bp, phy,
  8877. MDIO_REG_GPHY_SHADOW,
  8878. &temp);
  8879. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8880. bnx2x_cl22_write(bp, phy,
  8881. MDIO_REG_GPHY_SHADOW,
  8882. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8883. /* Set up fc */
  8884. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8885. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8886. fc_val = 0;
  8887. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8888. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8889. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8890. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8891. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8892. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8893. /* read all advertisement */
  8894. bnx2x_cl22_read(bp, phy,
  8895. 0x09,
  8896. &an_1000_val);
  8897. bnx2x_cl22_read(bp, phy,
  8898. 0x04,
  8899. &an_10_100_val);
  8900. bnx2x_cl22_read(bp, phy,
  8901. MDIO_PMA_REG_CTRL,
  8902. &autoneg_val);
  8903. /* Disable forced speed */
  8904. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8905. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8906. (1<<11));
  8907. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8908. (phy->speed_cap_mask &
  8909. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8910. (phy->req_line_speed == SPEED_1000)) {
  8911. an_1000_val |= (1<<8);
  8912. autoneg_val |= (1<<9 | 1<<12);
  8913. if (phy->req_duplex == DUPLEX_FULL)
  8914. an_1000_val |= (1<<9);
  8915. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8916. } else
  8917. an_1000_val &= ~((1<<8) | (1<<9));
  8918. bnx2x_cl22_write(bp, phy,
  8919. 0x09,
  8920. an_1000_val);
  8921. bnx2x_cl22_read(bp, phy,
  8922. 0x09,
  8923. &an_1000_val);
  8924. /* set 100 speed advertisement */
  8925. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8926. (phy->speed_cap_mask &
  8927. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8928. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8929. an_10_100_val |= (1<<7);
  8930. /* Enable autoneg and restart autoneg for legacy speeds */
  8931. autoneg_val |= (1<<9 | 1<<12);
  8932. if (phy->req_duplex == DUPLEX_FULL)
  8933. an_10_100_val |= (1<<8);
  8934. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8935. }
  8936. /* set 10 speed advertisement */
  8937. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8938. (phy->speed_cap_mask &
  8939. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8940. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8941. an_10_100_val |= (1<<5);
  8942. autoneg_val |= (1<<9 | 1<<12);
  8943. if (phy->req_duplex == DUPLEX_FULL)
  8944. an_10_100_val |= (1<<6);
  8945. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8946. }
  8947. /* Only 10/100 are allowed to work in FORCE mode */
  8948. if (phy->req_line_speed == SPEED_100) {
  8949. autoneg_val |= (1<<13);
  8950. /* Enabled AUTO-MDIX when autoneg is disabled */
  8951. bnx2x_cl22_write(bp, phy,
  8952. 0x18,
  8953. (1<<15 | 1<<9 | 7<<0));
  8954. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8955. }
  8956. if (phy->req_line_speed == SPEED_10) {
  8957. /* Enabled AUTO-MDIX when autoneg is disabled */
  8958. bnx2x_cl22_write(bp, phy,
  8959. 0x18,
  8960. (1<<15 | 1<<9 | 7<<0));
  8961. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8962. }
  8963. /* Check if we should turn on Auto-GrEEEn */
  8964. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  8965. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  8966. if (params->feature_config_flags &
  8967. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8968. temp = 6;
  8969. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  8970. } else {
  8971. temp = 0;
  8972. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  8973. }
  8974. bnx2x_cl22_write(bp, phy,
  8975. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  8976. bnx2x_cl22_write(bp, phy,
  8977. MDIO_REG_GPHY_CL45_DATA_REG,
  8978. MDIO_REG_GPHY_EEE_ADV);
  8979. bnx2x_cl22_write(bp, phy,
  8980. MDIO_REG_GPHY_CL45_ADDR_REG,
  8981. (0x1 << 14) | MDIO_AN_DEVAD);
  8982. bnx2x_cl22_write(bp, phy,
  8983. MDIO_REG_GPHY_CL45_DATA_REG,
  8984. temp);
  8985. }
  8986. bnx2x_cl22_write(bp, phy,
  8987. 0x04,
  8988. an_10_100_val | fc_val);
  8989. if (phy->req_duplex == DUPLEX_FULL)
  8990. autoneg_val |= (1<<8);
  8991. bnx2x_cl22_write(bp, phy,
  8992. MDIO_PMA_REG_CTRL, autoneg_val);
  8993. return 0;
  8994. }
  8995. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  8996. struct link_params *params, u8 mode)
  8997. {
  8998. struct bnx2x *bp = params->bp;
  8999. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  9000. switch (mode) {
  9001. case LED_MODE_FRONT_PANEL_OFF:
  9002. case LED_MODE_OFF:
  9003. case LED_MODE_OPER:
  9004. case LED_MODE_ON:
  9005. default:
  9006. break;
  9007. }
  9008. return;
  9009. }
  9010. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9011. struct link_params *params)
  9012. {
  9013. struct bnx2x *bp = params->bp;
  9014. u32 cfg_pin;
  9015. u8 port;
  9016. /*
  9017. * In case of no EPIO routed to reset the GPHY, put it
  9018. * in low power mode.
  9019. */
  9020. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9021. /*
  9022. * This works with E3 only, no need to check the chip
  9023. * before determining the port.
  9024. */
  9025. port = params->port;
  9026. cfg_pin = (REG_RD(bp, params->shmem_base +
  9027. offsetof(struct shmem_region,
  9028. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9029. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9030. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9031. /* Drive pin low to put GPHY in reset. */
  9032. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9033. }
  9034. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9035. struct link_params *params,
  9036. struct link_vars *vars)
  9037. {
  9038. struct bnx2x *bp = params->bp;
  9039. u16 val;
  9040. u8 link_up = 0;
  9041. u16 legacy_status, legacy_speed;
  9042. /* Get speed operation status */
  9043. bnx2x_cl22_read(bp, phy,
  9044. 0x19,
  9045. &legacy_status);
  9046. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9047. /* Read status to clear the PHY interrupt. */
  9048. bnx2x_cl22_read(bp, phy,
  9049. MDIO_REG_INTR_STATUS,
  9050. &val);
  9051. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9052. if (link_up) {
  9053. legacy_speed = (legacy_status & (7<<8));
  9054. if (legacy_speed == (7<<8)) {
  9055. vars->line_speed = SPEED_1000;
  9056. vars->duplex = DUPLEX_FULL;
  9057. } else if (legacy_speed == (6<<8)) {
  9058. vars->line_speed = SPEED_1000;
  9059. vars->duplex = DUPLEX_HALF;
  9060. } else if (legacy_speed == (5<<8)) {
  9061. vars->line_speed = SPEED_100;
  9062. vars->duplex = DUPLEX_FULL;
  9063. }
  9064. /* Omitting 100Base-T4 for now */
  9065. else if (legacy_speed == (3<<8)) {
  9066. vars->line_speed = SPEED_100;
  9067. vars->duplex = DUPLEX_HALF;
  9068. } else if (legacy_speed == (2<<8)) {
  9069. vars->line_speed = SPEED_10;
  9070. vars->duplex = DUPLEX_FULL;
  9071. } else if (legacy_speed == (1<<8)) {
  9072. vars->line_speed = SPEED_10;
  9073. vars->duplex = DUPLEX_HALF;
  9074. } else /* Should not happen */
  9075. vars->line_speed = 0;
  9076. DP(NETIF_MSG_LINK,
  9077. "Link is up in %dMbps, is_duplex_full= %d\n",
  9078. vars->line_speed,
  9079. (vars->duplex == DUPLEX_FULL));
  9080. /* Check legacy speed AN resolution */
  9081. bnx2x_cl22_read(bp, phy,
  9082. 0x01,
  9083. &val);
  9084. if (val & (1<<5))
  9085. vars->link_status |=
  9086. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9087. bnx2x_cl22_read(bp, phy,
  9088. 0x06,
  9089. &val);
  9090. if ((val & (1<<0)) == 0)
  9091. vars->link_status |=
  9092. LINK_STATUS_PARALLEL_DETECTION_USED;
  9093. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9094. vars->line_speed);
  9095. /* Report whether EEE is resolved. */
  9096. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9097. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9098. if (vars->link_status &
  9099. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9100. val = 0;
  9101. else {
  9102. bnx2x_cl22_write(bp, phy,
  9103. MDIO_REG_GPHY_CL45_ADDR_REG,
  9104. MDIO_AN_DEVAD);
  9105. bnx2x_cl22_write(bp, phy,
  9106. MDIO_REG_GPHY_CL45_DATA_REG,
  9107. MDIO_REG_GPHY_EEE_RESOLVED);
  9108. bnx2x_cl22_write(bp, phy,
  9109. MDIO_REG_GPHY_CL45_ADDR_REG,
  9110. (0x1 << 14) | MDIO_AN_DEVAD);
  9111. bnx2x_cl22_read(bp, phy,
  9112. MDIO_REG_GPHY_CL45_DATA_REG,
  9113. &val);
  9114. }
  9115. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9116. }
  9117. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9118. }
  9119. return link_up;
  9120. }
  9121. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9122. struct link_params *params)
  9123. {
  9124. struct bnx2x *bp = params->bp;
  9125. u16 val;
  9126. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9127. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9128. /* Enable master/slave manual mmode and set to master */
  9129. /* mii write 9 [bits set 11 12] */
  9130. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9131. /* forced 1G and disable autoneg */
  9132. /* set val [mii read 0] */
  9133. /* set val [expr $val & [bits clear 6 12 13]] */
  9134. /* set val [expr $val | [bits set 6 8]] */
  9135. /* mii write 0 $val */
  9136. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9137. val &= ~((1<<6) | (1<<12) | (1<<13));
  9138. val |= (1<<6) | (1<<8);
  9139. bnx2x_cl22_write(bp, phy, 0x00, val);
  9140. /* Set external loopback and Tx using 6dB coding */
  9141. /* mii write 0x18 7 */
  9142. /* set val [mii read 0x18] */
  9143. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9144. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9145. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9146. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9147. /* This register opens the gate for the UMAC despite its name */
  9148. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9149. /*
  9150. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9151. * length used by the MAC receive logic to check frames.
  9152. */
  9153. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9154. }
  9155. /******************************************************************/
  9156. /* SFX7101 PHY SECTION */
  9157. /******************************************************************/
  9158. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9159. struct link_params *params)
  9160. {
  9161. struct bnx2x *bp = params->bp;
  9162. /* SFX7101_XGXS_TEST1 */
  9163. bnx2x_cl45_write(bp, phy,
  9164. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9165. }
  9166. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9167. struct link_params *params,
  9168. struct link_vars *vars)
  9169. {
  9170. u16 fw_ver1, fw_ver2, val;
  9171. struct bnx2x *bp = params->bp;
  9172. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9173. /* Restore normal power mode*/
  9174. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9175. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9176. /* HW reset */
  9177. bnx2x_ext_phy_hw_reset(bp, params->port);
  9178. bnx2x_wait_reset_complete(bp, phy, params);
  9179. bnx2x_cl45_write(bp, phy,
  9180. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9181. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9182. bnx2x_cl45_write(bp, phy,
  9183. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9184. bnx2x_ext_phy_set_pause(params, phy, vars);
  9185. /* Restart autoneg */
  9186. bnx2x_cl45_read(bp, phy,
  9187. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9188. val |= 0x200;
  9189. bnx2x_cl45_write(bp, phy,
  9190. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9191. /* Save spirom version */
  9192. bnx2x_cl45_read(bp, phy,
  9193. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9194. bnx2x_cl45_read(bp, phy,
  9195. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9196. bnx2x_save_spirom_version(bp, params->port,
  9197. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9198. return 0;
  9199. }
  9200. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9201. struct link_params *params,
  9202. struct link_vars *vars)
  9203. {
  9204. struct bnx2x *bp = params->bp;
  9205. u8 link_up;
  9206. u16 val1, val2;
  9207. bnx2x_cl45_read(bp, phy,
  9208. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9209. bnx2x_cl45_read(bp, phy,
  9210. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9211. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9212. val2, val1);
  9213. bnx2x_cl45_read(bp, phy,
  9214. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9215. bnx2x_cl45_read(bp, phy,
  9216. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9217. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9218. val2, val1);
  9219. link_up = ((val1 & 4) == 4);
  9220. /* if link is up print the AN outcome of the SFX7101 PHY */
  9221. if (link_up) {
  9222. bnx2x_cl45_read(bp, phy,
  9223. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9224. &val2);
  9225. vars->line_speed = SPEED_10000;
  9226. vars->duplex = DUPLEX_FULL;
  9227. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9228. val2, (val2 & (1<<14)));
  9229. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9230. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9231. }
  9232. return link_up;
  9233. }
  9234. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9235. {
  9236. if (*len < 5)
  9237. return -EINVAL;
  9238. str[0] = (spirom_ver & 0xFF);
  9239. str[1] = (spirom_ver & 0xFF00) >> 8;
  9240. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9241. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9242. str[4] = '\0';
  9243. *len -= 5;
  9244. return 0;
  9245. }
  9246. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9247. {
  9248. u16 val, cnt;
  9249. bnx2x_cl45_read(bp, phy,
  9250. MDIO_PMA_DEVAD,
  9251. MDIO_PMA_REG_7101_RESET, &val);
  9252. for (cnt = 0; cnt < 10; cnt++) {
  9253. msleep(50);
  9254. /* Writes a self-clearing reset */
  9255. bnx2x_cl45_write(bp, phy,
  9256. MDIO_PMA_DEVAD,
  9257. MDIO_PMA_REG_7101_RESET,
  9258. (val | (1<<15)));
  9259. /* Wait for clear */
  9260. bnx2x_cl45_read(bp, phy,
  9261. MDIO_PMA_DEVAD,
  9262. MDIO_PMA_REG_7101_RESET, &val);
  9263. if ((val & (1<<15)) == 0)
  9264. break;
  9265. }
  9266. }
  9267. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9268. struct link_params *params) {
  9269. /* Low power mode is controlled by GPIO 2 */
  9270. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9271. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9272. /* The PHY reset is controlled by GPIO 1 */
  9273. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9274. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9275. }
  9276. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9277. struct link_params *params, u8 mode)
  9278. {
  9279. u16 val = 0;
  9280. struct bnx2x *bp = params->bp;
  9281. switch (mode) {
  9282. case LED_MODE_FRONT_PANEL_OFF:
  9283. case LED_MODE_OFF:
  9284. val = 2;
  9285. break;
  9286. case LED_MODE_ON:
  9287. val = 1;
  9288. break;
  9289. case LED_MODE_OPER:
  9290. val = 0;
  9291. break;
  9292. }
  9293. bnx2x_cl45_write(bp, phy,
  9294. MDIO_PMA_DEVAD,
  9295. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9296. val);
  9297. }
  9298. /******************************************************************/
  9299. /* STATIC PHY DECLARATION */
  9300. /******************************************************************/
  9301. static struct bnx2x_phy phy_null = {
  9302. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9303. .addr = 0,
  9304. .def_md_devad = 0,
  9305. .flags = FLAGS_INIT_XGXS_FIRST,
  9306. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9307. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9308. .mdio_ctrl = 0,
  9309. .supported = 0,
  9310. .media_type = ETH_PHY_NOT_PRESENT,
  9311. .ver_addr = 0,
  9312. .req_flow_ctrl = 0,
  9313. .req_line_speed = 0,
  9314. .speed_cap_mask = 0,
  9315. .req_duplex = 0,
  9316. .rsrv = 0,
  9317. .config_init = (config_init_t)NULL,
  9318. .read_status = (read_status_t)NULL,
  9319. .link_reset = (link_reset_t)NULL,
  9320. .config_loopback = (config_loopback_t)NULL,
  9321. .format_fw_ver = (format_fw_ver_t)NULL,
  9322. .hw_reset = (hw_reset_t)NULL,
  9323. .set_link_led = (set_link_led_t)NULL,
  9324. .phy_specific_func = (phy_specific_func_t)NULL
  9325. };
  9326. static struct bnx2x_phy phy_serdes = {
  9327. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9328. .addr = 0xff,
  9329. .def_md_devad = 0,
  9330. .flags = 0,
  9331. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9332. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9333. .mdio_ctrl = 0,
  9334. .supported = (SUPPORTED_10baseT_Half |
  9335. SUPPORTED_10baseT_Full |
  9336. SUPPORTED_100baseT_Half |
  9337. SUPPORTED_100baseT_Full |
  9338. SUPPORTED_1000baseT_Full |
  9339. SUPPORTED_2500baseX_Full |
  9340. SUPPORTED_TP |
  9341. SUPPORTED_Autoneg |
  9342. SUPPORTED_Pause |
  9343. SUPPORTED_Asym_Pause),
  9344. .media_type = ETH_PHY_BASE_T,
  9345. .ver_addr = 0,
  9346. .req_flow_ctrl = 0,
  9347. .req_line_speed = 0,
  9348. .speed_cap_mask = 0,
  9349. .req_duplex = 0,
  9350. .rsrv = 0,
  9351. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9352. .read_status = (read_status_t)bnx2x_link_settings_status,
  9353. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9354. .config_loopback = (config_loopback_t)NULL,
  9355. .format_fw_ver = (format_fw_ver_t)NULL,
  9356. .hw_reset = (hw_reset_t)NULL,
  9357. .set_link_led = (set_link_led_t)NULL,
  9358. .phy_specific_func = (phy_specific_func_t)NULL
  9359. };
  9360. static struct bnx2x_phy phy_xgxs = {
  9361. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9362. .addr = 0xff,
  9363. .def_md_devad = 0,
  9364. .flags = 0,
  9365. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9366. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9367. .mdio_ctrl = 0,
  9368. .supported = (SUPPORTED_10baseT_Half |
  9369. SUPPORTED_10baseT_Full |
  9370. SUPPORTED_100baseT_Half |
  9371. SUPPORTED_100baseT_Full |
  9372. SUPPORTED_1000baseT_Full |
  9373. SUPPORTED_2500baseX_Full |
  9374. SUPPORTED_10000baseT_Full |
  9375. SUPPORTED_FIBRE |
  9376. SUPPORTED_Autoneg |
  9377. SUPPORTED_Pause |
  9378. SUPPORTED_Asym_Pause),
  9379. .media_type = ETH_PHY_CX4,
  9380. .ver_addr = 0,
  9381. .req_flow_ctrl = 0,
  9382. .req_line_speed = 0,
  9383. .speed_cap_mask = 0,
  9384. .req_duplex = 0,
  9385. .rsrv = 0,
  9386. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9387. .read_status = (read_status_t)bnx2x_link_settings_status,
  9388. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9389. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9390. .format_fw_ver = (format_fw_ver_t)NULL,
  9391. .hw_reset = (hw_reset_t)NULL,
  9392. .set_link_led = (set_link_led_t)NULL,
  9393. .phy_specific_func = (phy_specific_func_t)NULL
  9394. };
  9395. static struct bnx2x_phy phy_warpcore = {
  9396. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9397. .addr = 0xff,
  9398. .def_md_devad = 0,
  9399. .flags = FLAGS_HW_LOCK_REQUIRED,
  9400. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9401. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9402. .mdio_ctrl = 0,
  9403. .supported = (SUPPORTED_10baseT_Half |
  9404. SUPPORTED_10baseT_Full |
  9405. SUPPORTED_100baseT_Half |
  9406. SUPPORTED_100baseT_Full |
  9407. SUPPORTED_1000baseT_Full |
  9408. SUPPORTED_10000baseT_Full |
  9409. SUPPORTED_20000baseKR2_Full |
  9410. SUPPORTED_20000baseMLD2_Full |
  9411. SUPPORTED_FIBRE |
  9412. SUPPORTED_Autoneg |
  9413. SUPPORTED_Pause |
  9414. SUPPORTED_Asym_Pause),
  9415. .media_type = ETH_PHY_UNSPECIFIED,
  9416. .ver_addr = 0,
  9417. .req_flow_ctrl = 0,
  9418. .req_line_speed = 0,
  9419. .speed_cap_mask = 0,
  9420. /* req_duplex = */0,
  9421. /* rsrv = */0,
  9422. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9423. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9424. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9425. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9426. .format_fw_ver = (format_fw_ver_t)NULL,
  9427. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9428. .set_link_led = (set_link_led_t)NULL,
  9429. .phy_specific_func = (phy_specific_func_t)NULL
  9430. };
  9431. static struct bnx2x_phy phy_7101 = {
  9432. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9433. .addr = 0xff,
  9434. .def_md_devad = 0,
  9435. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9436. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9437. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9438. .mdio_ctrl = 0,
  9439. .supported = (SUPPORTED_10000baseT_Full |
  9440. SUPPORTED_TP |
  9441. SUPPORTED_Autoneg |
  9442. SUPPORTED_Pause |
  9443. SUPPORTED_Asym_Pause),
  9444. .media_type = ETH_PHY_BASE_T,
  9445. .ver_addr = 0,
  9446. .req_flow_ctrl = 0,
  9447. .req_line_speed = 0,
  9448. .speed_cap_mask = 0,
  9449. .req_duplex = 0,
  9450. .rsrv = 0,
  9451. .config_init = (config_init_t)bnx2x_7101_config_init,
  9452. .read_status = (read_status_t)bnx2x_7101_read_status,
  9453. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9454. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9455. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9456. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9457. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9458. .phy_specific_func = (phy_specific_func_t)NULL
  9459. };
  9460. static struct bnx2x_phy phy_8073 = {
  9461. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9462. .addr = 0xff,
  9463. .def_md_devad = 0,
  9464. .flags = FLAGS_HW_LOCK_REQUIRED,
  9465. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9466. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9467. .mdio_ctrl = 0,
  9468. .supported = (SUPPORTED_10000baseT_Full |
  9469. SUPPORTED_2500baseX_Full |
  9470. SUPPORTED_1000baseT_Full |
  9471. SUPPORTED_FIBRE |
  9472. SUPPORTED_Autoneg |
  9473. SUPPORTED_Pause |
  9474. SUPPORTED_Asym_Pause),
  9475. .media_type = ETH_PHY_KR,
  9476. .ver_addr = 0,
  9477. .req_flow_ctrl = 0,
  9478. .req_line_speed = 0,
  9479. .speed_cap_mask = 0,
  9480. .req_duplex = 0,
  9481. .rsrv = 0,
  9482. .config_init = (config_init_t)bnx2x_8073_config_init,
  9483. .read_status = (read_status_t)bnx2x_8073_read_status,
  9484. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9485. .config_loopback = (config_loopback_t)NULL,
  9486. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9487. .hw_reset = (hw_reset_t)NULL,
  9488. .set_link_led = (set_link_led_t)NULL,
  9489. .phy_specific_func = (phy_specific_func_t)NULL
  9490. };
  9491. static struct bnx2x_phy phy_8705 = {
  9492. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9493. .addr = 0xff,
  9494. .def_md_devad = 0,
  9495. .flags = FLAGS_INIT_XGXS_FIRST,
  9496. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9497. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9498. .mdio_ctrl = 0,
  9499. .supported = (SUPPORTED_10000baseT_Full |
  9500. SUPPORTED_FIBRE |
  9501. SUPPORTED_Pause |
  9502. SUPPORTED_Asym_Pause),
  9503. .media_type = ETH_PHY_XFP_FIBER,
  9504. .ver_addr = 0,
  9505. .req_flow_ctrl = 0,
  9506. .req_line_speed = 0,
  9507. .speed_cap_mask = 0,
  9508. .req_duplex = 0,
  9509. .rsrv = 0,
  9510. .config_init = (config_init_t)bnx2x_8705_config_init,
  9511. .read_status = (read_status_t)bnx2x_8705_read_status,
  9512. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9513. .config_loopback = (config_loopback_t)NULL,
  9514. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9515. .hw_reset = (hw_reset_t)NULL,
  9516. .set_link_led = (set_link_led_t)NULL,
  9517. .phy_specific_func = (phy_specific_func_t)NULL
  9518. };
  9519. static struct bnx2x_phy phy_8706 = {
  9520. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9521. .addr = 0xff,
  9522. .def_md_devad = 0,
  9523. .flags = FLAGS_INIT_XGXS_FIRST,
  9524. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9525. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9526. .mdio_ctrl = 0,
  9527. .supported = (SUPPORTED_10000baseT_Full |
  9528. SUPPORTED_1000baseT_Full |
  9529. SUPPORTED_FIBRE |
  9530. SUPPORTED_Pause |
  9531. SUPPORTED_Asym_Pause),
  9532. .media_type = ETH_PHY_SFP_FIBER,
  9533. .ver_addr = 0,
  9534. .req_flow_ctrl = 0,
  9535. .req_line_speed = 0,
  9536. .speed_cap_mask = 0,
  9537. .req_duplex = 0,
  9538. .rsrv = 0,
  9539. .config_init = (config_init_t)bnx2x_8706_config_init,
  9540. .read_status = (read_status_t)bnx2x_8706_read_status,
  9541. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9542. .config_loopback = (config_loopback_t)NULL,
  9543. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9544. .hw_reset = (hw_reset_t)NULL,
  9545. .set_link_led = (set_link_led_t)NULL,
  9546. .phy_specific_func = (phy_specific_func_t)NULL
  9547. };
  9548. static struct bnx2x_phy phy_8726 = {
  9549. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9550. .addr = 0xff,
  9551. .def_md_devad = 0,
  9552. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9553. FLAGS_INIT_XGXS_FIRST),
  9554. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9555. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9556. .mdio_ctrl = 0,
  9557. .supported = (SUPPORTED_10000baseT_Full |
  9558. SUPPORTED_1000baseT_Full |
  9559. SUPPORTED_Autoneg |
  9560. SUPPORTED_FIBRE |
  9561. SUPPORTED_Pause |
  9562. SUPPORTED_Asym_Pause),
  9563. .media_type = ETH_PHY_NOT_PRESENT,
  9564. .ver_addr = 0,
  9565. .req_flow_ctrl = 0,
  9566. .req_line_speed = 0,
  9567. .speed_cap_mask = 0,
  9568. .req_duplex = 0,
  9569. .rsrv = 0,
  9570. .config_init = (config_init_t)bnx2x_8726_config_init,
  9571. .read_status = (read_status_t)bnx2x_8726_read_status,
  9572. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9573. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9574. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9575. .hw_reset = (hw_reset_t)NULL,
  9576. .set_link_led = (set_link_led_t)NULL,
  9577. .phy_specific_func = (phy_specific_func_t)NULL
  9578. };
  9579. static struct bnx2x_phy phy_8727 = {
  9580. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9581. .addr = 0xff,
  9582. .def_md_devad = 0,
  9583. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9584. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9585. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9586. .mdio_ctrl = 0,
  9587. .supported = (SUPPORTED_10000baseT_Full |
  9588. SUPPORTED_1000baseT_Full |
  9589. SUPPORTED_FIBRE |
  9590. SUPPORTED_Pause |
  9591. SUPPORTED_Asym_Pause),
  9592. .media_type = ETH_PHY_NOT_PRESENT,
  9593. .ver_addr = 0,
  9594. .req_flow_ctrl = 0,
  9595. .req_line_speed = 0,
  9596. .speed_cap_mask = 0,
  9597. .req_duplex = 0,
  9598. .rsrv = 0,
  9599. .config_init = (config_init_t)bnx2x_8727_config_init,
  9600. .read_status = (read_status_t)bnx2x_8727_read_status,
  9601. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9602. .config_loopback = (config_loopback_t)NULL,
  9603. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9604. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9605. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9606. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9607. };
  9608. static struct bnx2x_phy phy_8481 = {
  9609. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9610. .addr = 0xff,
  9611. .def_md_devad = 0,
  9612. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9613. FLAGS_REARM_LATCH_SIGNAL,
  9614. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9615. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9616. .mdio_ctrl = 0,
  9617. .supported = (SUPPORTED_10baseT_Half |
  9618. SUPPORTED_10baseT_Full |
  9619. SUPPORTED_100baseT_Half |
  9620. SUPPORTED_100baseT_Full |
  9621. SUPPORTED_1000baseT_Full |
  9622. SUPPORTED_10000baseT_Full |
  9623. SUPPORTED_TP |
  9624. SUPPORTED_Autoneg |
  9625. SUPPORTED_Pause |
  9626. SUPPORTED_Asym_Pause),
  9627. .media_type = ETH_PHY_BASE_T,
  9628. .ver_addr = 0,
  9629. .req_flow_ctrl = 0,
  9630. .req_line_speed = 0,
  9631. .speed_cap_mask = 0,
  9632. .req_duplex = 0,
  9633. .rsrv = 0,
  9634. .config_init = (config_init_t)bnx2x_8481_config_init,
  9635. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9636. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9637. .config_loopback = (config_loopback_t)NULL,
  9638. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9639. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9640. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9641. .phy_specific_func = (phy_specific_func_t)NULL
  9642. };
  9643. static struct bnx2x_phy phy_84823 = {
  9644. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9645. .addr = 0xff,
  9646. .def_md_devad = 0,
  9647. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9648. FLAGS_REARM_LATCH_SIGNAL,
  9649. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9650. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9651. .mdio_ctrl = 0,
  9652. .supported = (SUPPORTED_10baseT_Half |
  9653. SUPPORTED_10baseT_Full |
  9654. SUPPORTED_100baseT_Half |
  9655. SUPPORTED_100baseT_Full |
  9656. SUPPORTED_1000baseT_Full |
  9657. SUPPORTED_10000baseT_Full |
  9658. SUPPORTED_TP |
  9659. SUPPORTED_Autoneg |
  9660. SUPPORTED_Pause |
  9661. SUPPORTED_Asym_Pause),
  9662. .media_type = ETH_PHY_BASE_T,
  9663. .ver_addr = 0,
  9664. .req_flow_ctrl = 0,
  9665. .req_line_speed = 0,
  9666. .speed_cap_mask = 0,
  9667. .req_duplex = 0,
  9668. .rsrv = 0,
  9669. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9670. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9671. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9672. .config_loopback = (config_loopback_t)NULL,
  9673. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9674. .hw_reset = (hw_reset_t)NULL,
  9675. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9676. .phy_specific_func = (phy_specific_func_t)NULL
  9677. };
  9678. static struct bnx2x_phy phy_84833 = {
  9679. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9680. .addr = 0xff,
  9681. .def_md_devad = 0,
  9682. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9683. FLAGS_REARM_LATCH_SIGNAL,
  9684. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9685. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9686. .mdio_ctrl = 0,
  9687. .supported = (SUPPORTED_100baseT_Half |
  9688. SUPPORTED_100baseT_Full |
  9689. SUPPORTED_1000baseT_Full |
  9690. SUPPORTED_10000baseT_Full |
  9691. SUPPORTED_TP |
  9692. SUPPORTED_Autoneg |
  9693. SUPPORTED_Pause |
  9694. SUPPORTED_Asym_Pause),
  9695. .media_type = ETH_PHY_BASE_T,
  9696. .ver_addr = 0,
  9697. .req_flow_ctrl = 0,
  9698. .req_line_speed = 0,
  9699. .speed_cap_mask = 0,
  9700. .req_duplex = 0,
  9701. .rsrv = 0,
  9702. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9703. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9704. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9705. .config_loopback = (config_loopback_t)NULL,
  9706. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9707. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9708. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9709. .phy_specific_func = (phy_specific_func_t)NULL
  9710. };
  9711. static struct bnx2x_phy phy_54618se = {
  9712. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9713. .addr = 0xff,
  9714. .def_md_devad = 0,
  9715. .flags = FLAGS_INIT_XGXS_FIRST,
  9716. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9717. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9718. .mdio_ctrl = 0,
  9719. .supported = (SUPPORTED_10baseT_Half |
  9720. SUPPORTED_10baseT_Full |
  9721. SUPPORTED_100baseT_Half |
  9722. SUPPORTED_100baseT_Full |
  9723. SUPPORTED_1000baseT_Full |
  9724. SUPPORTED_TP |
  9725. SUPPORTED_Autoneg |
  9726. SUPPORTED_Pause |
  9727. SUPPORTED_Asym_Pause),
  9728. .media_type = ETH_PHY_BASE_T,
  9729. .ver_addr = 0,
  9730. .req_flow_ctrl = 0,
  9731. .req_line_speed = 0,
  9732. .speed_cap_mask = 0,
  9733. /* req_duplex = */0,
  9734. /* rsrv = */0,
  9735. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9736. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9737. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9738. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9739. .format_fw_ver = (format_fw_ver_t)NULL,
  9740. .hw_reset = (hw_reset_t)NULL,
  9741. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9742. .phy_specific_func = (phy_specific_func_t)NULL
  9743. };
  9744. /*****************************************************************/
  9745. /* */
  9746. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9747. /* */
  9748. /*****************************************************************/
  9749. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9750. struct bnx2x_phy *phy, u8 port,
  9751. u8 phy_index)
  9752. {
  9753. /* Get the 4 lanes xgxs config rx and tx */
  9754. u32 rx = 0, tx = 0, i;
  9755. for (i = 0; i < 2; i++) {
  9756. /*
  9757. * INT_PHY and EXT_PHY1 share the same value location in the
  9758. * shmem. When num_phys is greater than 1, than this value
  9759. * applies only to EXT_PHY1
  9760. */
  9761. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9762. rx = REG_RD(bp, shmem_base +
  9763. offsetof(struct shmem_region,
  9764. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9765. tx = REG_RD(bp, shmem_base +
  9766. offsetof(struct shmem_region,
  9767. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9768. } else {
  9769. rx = REG_RD(bp, shmem_base +
  9770. offsetof(struct shmem_region,
  9771. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9772. tx = REG_RD(bp, shmem_base +
  9773. offsetof(struct shmem_region,
  9774. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9775. }
  9776. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9777. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9778. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9779. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9780. }
  9781. }
  9782. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9783. u8 phy_index, u8 port)
  9784. {
  9785. u32 ext_phy_config = 0;
  9786. switch (phy_index) {
  9787. case EXT_PHY1:
  9788. ext_phy_config = REG_RD(bp, shmem_base +
  9789. offsetof(struct shmem_region,
  9790. dev_info.port_hw_config[port].external_phy_config));
  9791. break;
  9792. case EXT_PHY2:
  9793. ext_phy_config = REG_RD(bp, shmem_base +
  9794. offsetof(struct shmem_region,
  9795. dev_info.port_hw_config[port].external_phy_config2));
  9796. break;
  9797. default:
  9798. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9799. return -EINVAL;
  9800. }
  9801. return ext_phy_config;
  9802. }
  9803. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9804. struct bnx2x_phy *phy)
  9805. {
  9806. u32 phy_addr;
  9807. u32 chip_id;
  9808. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9809. offsetof(struct shmem_region,
  9810. dev_info.port_feature_config[port].link_config)) &
  9811. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9812. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9813. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9814. if (USES_WARPCORE(bp)) {
  9815. u32 serdes_net_if;
  9816. phy_addr = REG_RD(bp,
  9817. MISC_REG_WC0_CTRL_PHY_ADDR);
  9818. *phy = phy_warpcore;
  9819. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9820. phy->flags |= FLAGS_4_PORT_MODE;
  9821. else
  9822. phy->flags &= ~FLAGS_4_PORT_MODE;
  9823. /* Check Dual mode */
  9824. serdes_net_if = (REG_RD(bp, shmem_base +
  9825. offsetof(struct shmem_region, dev_info.
  9826. port_hw_config[port].default_cfg)) &
  9827. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9828. /*
  9829. * Set the appropriate supported and flags indications per
  9830. * interface type of the chip
  9831. */
  9832. switch (serdes_net_if) {
  9833. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9834. phy->supported &= (SUPPORTED_10baseT_Half |
  9835. SUPPORTED_10baseT_Full |
  9836. SUPPORTED_100baseT_Half |
  9837. SUPPORTED_100baseT_Full |
  9838. SUPPORTED_1000baseT_Full |
  9839. SUPPORTED_FIBRE |
  9840. SUPPORTED_Autoneg |
  9841. SUPPORTED_Pause |
  9842. SUPPORTED_Asym_Pause);
  9843. phy->media_type = ETH_PHY_BASE_T;
  9844. break;
  9845. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9846. phy->media_type = ETH_PHY_XFP_FIBER;
  9847. break;
  9848. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9849. phy->supported &= (SUPPORTED_1000baseT_Full |
  9850. SUPPORTED_10000baseT_Full |
  9851. SUPPORTED_FIBRE |
  9852. SUPPORTED_Pause |
  9853. SUPPORTED_Asym_Pause);
  9854. phy->media_type = ETH_PHY_SFP_FIBER;
  9855. break;
  9856. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9857. phy->media_type = ETH_PHY_KR;
  9858. phy->supported &= (SUPPORTED_1000baseT_Full |
  9859. SUPPORTED_10000baseT_Full |
  9860. SUPPORTED_FIBRE |
  9861. SUPPORTED_Autoneg |
  9862. SUPPORTED_Pause |
  9863. SUPPORTED_Asym_Pause);
  9864. break;
  9865. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9866. phy->media_type = ETH_PHY_KR;
  9867. phy->flags |= FLAGS_WC_DUAL_MODE;
  9868. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9869. SUPPORTED_FIBRE |
  9870. SUPPORTED_Pause |
  9871. SUPPORTED_Asym_Pause);
  9872. break;
  9873. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9874. phy->media_type = ETH_PHY_KR;
  9875. phy->flags |= FLAGS_WC_DUAL_MODE;
  9876. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9877. SUPPORTED_FIBRE |
  9878. SUPPORTED_Pause |
  9879. SUPPORTED_Asym_Pause);
  9880. break;
  9881. default:
  9882. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9883. serdes_net_if);
  9884. break;
  9885. }
  9886. /*
  9887. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9888. * was not set as expected. For B0, ECO will be enabled so there
  9889. * won't be an issue there
  9890. */
  9891. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9892. phy->flags |= FLAGS_MDC_MDIO_WA;
  9893. else
  9894. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9895. } else {
  9896. switch (switch_cfg) {
  9897. case SWITCH_CFG_1G:
  9898. phy_addr = REG_RD(bp,
  9899. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9900. port * 0x10);
  9901. *phy = phy_serdes;
  9902. break;
  9903. case SWITCH_CFG_10G:
  9904. phy_addr = REG_RD(bp,
  9905. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9906. port * 0x18);
  9907. *phy = phy_xgxs;
  9908. break;
  9909. default:
  9910. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9911. return -EINVAL;
  9912. }
  9913. }
  9914. phy->addr = (u8)phy_addr;
  9915. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9916. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9917. port);
  9918. if (CHIP_IS_E2(bp))
  9919. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9920. else
  9921. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9922. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9923. port, phy->addr, phy->mdio_ctrl);
  9924. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9925. return 0;
  9926. }
  9927. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9928. u8 phy_index,
  9929. u32 shmem_base,
  9930. u32 shmem2_base,
  9931. u8 port,
  9932. struct bnx2x_phy *phy)
  9933. {
  9934. u32 ext_phy_config, phy_type, config2;
  9935. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9936. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9937. phy_index, port);
  9938. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9939. /* Select the phy type */
  9940. switch (phy_type) {
  9941. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9942. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9943. *phy = phy_8073;
  9944. break;
  9945. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9946. *phy = phy_8705;
  9947. break;
  9948. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9949. *phy = phy_8706;
  9950. break;
  9951. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9952. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9953. *phy = phy_8726;
  9954. break;
  9955. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9956. /* BCM8727_NOC => BCM8727 no over current */
  9957. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9958. *phy = phy_8727;
  9959. phy->flags |= FLAGS_NOC;
  9960. break;
  9961. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9962. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9963. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9964. *phy = phy_8727;
  9965. break;
  9966. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9967. *phy = phy_8481;
  9968. break;
  9969. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9970. *phy = phy_84823;
  9971. break;
  9972. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9973. *phy = phy_84833;
  9974. break;
  9975. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  9976. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  9977. *phy = phy_54618se;
  9978. break;
  9979. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9980. *phy = phy_7101;
  9981. break;
  9982. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9983. *phy = phy_null;
  9984. return -EINVAL;
  9985. default:
  9986. *phy = phy_null;
  9987. return 0;
  9988. }
  9989. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9990. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9991. /*
  9992. * The shmem address of the phy version is located on different
  9993. * structures. In case this structure is too old, do not set
  9994. * the address
  9995. */
  9996. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9997. dev_info.shared_hw_config.config2));
  9998. if (phy_index == EXT_PHY1) {
  9999. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10000. port_mb[port].ext_phy_fw_version);
  10001. /* Check specific mdc mdio settings */
  10002. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10003. mdc_mdio_access = config2 &
  10004. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10005. } else {
  10006. u32 size = REG_RD(bp, shmem2_base);
  10007. if (size >
  10008. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10009. phy->ver_addr = shmem2_base +
  10010. offsetof(struct shmem2_region,
  10011. ext_phy_fw_version2[port]);
  10012. }
  10013. /* Check specific mdc mdio settings */
  10014. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10015. mdc_mdio_access = (config2 &
  10016. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10017. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10018. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10019. }
  10020. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10021. /*
  10022. * In case mdc/mdio_access of the external phy is different than the
  10023. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10024. * to prevent one port interfere with another port's CL45 operations.
  10025. */
  10026. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10027. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10028. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10029. phy_type, port, phy_index);
  10030. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10031. phy->addr, phy->mdio_ctrl);
  10032. return 0;
  10033. }
  10034. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10035. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10036. {
  10037. int status = 0;
  10038. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10039. if (phy_index == INT_PHY)
  10040. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10041. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10042. port, phy);
  10043. return status;
  10044. }
  10045. static void bnx2x_phy_def_cfg(struct link_params *params,
  10046. struct bnx2x_phy *phy,
  10047. u8 phy_index)
  10048. {
  10049. struct bnx2x *bp = params->bp;
  10050. u32 link_config;
  10051. /* Populate the default phy configuration for MF mode */
  10052. if (phy_index == EXT_PHY2) {
  10053. link_config = REG_RD(bp, params->shmem_base +
  10054. offsetof(struct shmem_region, dev_info.
  10055. port_feature_config[params->port].link_config2));
  10056. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10057. offsetof(struct shmem_region,
  10058. dev_info.
  10059. port_hw_config[params->port].speed_capability_mask2));
  10060. } else {
  10061. link_config = REG_RD(bp, params->shmem_base +
  10062. offsetof(struct shmem_region, dev_info.
  10063. port_feature_config[params->port].link_config));
  10064. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10065. offsetof(struct shmem_region,
  10066. dev_info.
  10067. port_hw_config[params->port].speed_capability_mask));
  10068. }
  10069. DP(NETIF_MSG_LINK,
  10070. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10071. phy_index, link_config, phy->speed_cap_mask);
  10072. phy->req_duplex = DUPLEX_FULL;
  10073. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10074. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10075. phy->req_duplex = DUPLEX_HALF;
  10076. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10077. phy->req_line_speed = SPEED_10;
  10078. break;
  10079. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10080. phy->req_duplex = DUPLEX_HALF;
  10081. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10082. phy->req_line_speed = SPEED_100;
  10083. break;
  10084. case PORT_FEATURE_LINK_SPEED_1G:
  10085. phy->req_line_speed = SPEED_1000;
  10086. break;
  10087. case PORT_FEATURE_LINK_SPEED_2_5G:
  10088. phy->req_line_speed = SPEED_2500;
  10089. break;
  10090. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10091. phy->req_line_speed = SPEED_10000;
  10092. break;
  10093. default:
  10094. phy->req_line_speed = SPEED_AUTO_NEG;
  10095. break;
  10096. }
  10097. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10098. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10099. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10100. break;
  10101. case PORT_FEATURE_FLOW_CONTROL_TX:
  10102. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10103. break;
  10104. case PORT_FEATURE_FLOW_CONTROL_RX:
  10105. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10106. break;
  10107. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10108. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10109. break;
  10110. default:
  10111. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10112. break;
  10113. }
  10114. }
  10115. u32 bnx2x_phy_selection(struct link_params *params)
  10116. {
  10117. u32 phy_config_swapped, prio_cfg;
  10118. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10119. phy_config_swapped = params->multi_phy_config &
  10120. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10121. prio_cfg = params->multi_phy_config &
  10122. PORT_HW_CFG_PHY_SELECTION_MASK;
  10123. if (phy_config_swapped) {
  10124. switch (prio_cfg) {
  10125. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10126. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10127. break;
  10128. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10129. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10130. break;
  10131. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10132. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10133. break;
  10134. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10135. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10136. break;
  10137. }
  10138. } else
  10139. return_cfg = prio_cfg;
  10140. return return_cfg;
  10141. }
  10142. int bnx2x_phy_probe(struct link_params *params)
  10143. {
  10144. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10145. u32 phy_config_swapped, sync_offset, media_types;
  10146. struct bnx2x *bp = params->bp;
  10147. struct bnx2x_phy *phy;
  10148. params->num_phys = 0;
  10149. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10150. phy_config_swapped = params->multi_phy_config &
  10151. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10152. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10153. phy_index++) {
  10154. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10155. actual_phy_idx = phy_index;
  10156. if (phy_config_swapped) {
  10157. if (phy_index == EXT_PHY1)
  10158. actual_phy_idx = EXT_PHY2;
  10159. else if (phy_index == EXT_PHY2)
  10160. actual_phy_idx = EXT_PHY1;
  10161. }
  10162. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10163. " actual_phy_idx %x\n", phy_config_swapped,
  10164. phy_index, actual_phy_idx);
  10165. phy = &params->phy[actual_phy_idx];
  10166. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10167. params->shmem2_base, params->port,
  10168. phy) != 0) {
  10169. params->num_phys = 0;
  10170. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10171. phy_index);
  10172. for (phy_index = INT_PHY;
  10173. phy_index < MAX_PHYS;
  10174. phy_index++)
  10175. *phy = phy_null;
  10176. return -EINVAL;
  10177. }
  10178. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10179. break;
  10180. sync_offset = params->shmem_base +
  10181. offsetof(struct shmem_region,
  10182. dev_info.port_hw_config[params->port].media_type);
  10183. media_types = REG_RD(bp, sync_offset);
  10184. /*
  10185. * Update media type for non-PMF sync only for the first time
  10186. * In case the media type changes afterwards, it will be updated
  10187. * using the update_status function
  10188. */
  10189. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10190. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10191. actual_phy_idx))) == 0) {
  10192. media_types |= ((phy->media_type &
  10193. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10194. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10195. actual_phy_idx));
  10196. }
  10197. REG_WR(bp, sync_offset, media_types);
  10198. bnx2x_phy_def_cfg(params, phy, phy_index);
  10199. params->num_phys++;
  10200. }
  10201. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10202. return 0;
  10203. }
  10204. void bnx2x_init_bmac_loopback(struct link_params *params,
  10205. struct link_vars *vars)
  10206. {
  10207. struct bnx2x *bp = params->bp;
  10208. vars->link_up = 1;
  10209. vars->line_speed = SPEED_10000;
  10210. vars->duplex = DUPLEX_FULL;
  10211. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10212. vars->mac_type = MAC_TYPE_BMAC;
  10213. vars->phy_flags = PHY_XGXS_FLAG;
  10214. bnx2x_xgxs_deassert(params);
  10215. /* set bmac loopback */
  10216. bnx2x_bmac_enable(params, vars, 1);
  10217. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10218. }
  10219. void bnx2x_init_emac_loopback(struct link_params *params,
  10220. struct link_vars *vars)
  10221. {
  10222. struct bnx2x *bp = params->bp;
  10223. vars->link_up = 1;
  10224. vars->line_speed = SPEED_1000;
  10225. vars->duplex = DUPLEX_FULL;
  10226. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10227. vars->mac_type = MAC_TYPE_EMAC;
  10228. vars->phy_flags = PHY_XGXS_FLAG;
  10229. bnx2x_xgxs_deassert(params);
  10230. /* set bmac loopback */
  10231. bnx2x_emac_enable(params, vars, 1);
  10232. bnx2x_emac_program(params, vars);
  10233. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10234. }
  10235. void bnx2x_init_xmac_loopback(struct link_params *params,
  10236. struct link_vars *vars)
  10237. {
  10238. struct bnx2x *bp = params->bp;
  10239. vars->link_up = 1;
  10240. if (!params->req_line_speed[0])
  10241. vars->line_speed = SPEED_10000;
  10242. else
  10243. vars->line_speed = params->req_line_speed[0];
  10244. vars->duplex = DUPLEX_FULL;
  10245. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10246. vars->mac_type = MAC_TYPE_XMAC;
  10247. vars->phy_flags = PHY_XGXS_FLAG;
  10248. /*
  10249. * Set WC to loopback mode since link is required to provide clock
  10250. * to the XMAC in 20G mode
  10251. */
  10252. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10253. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10254. params->phy[INT_PHY].config_loopback(
  10255. &params->phy[INT_PHY],
  10256. params);
  10257. bnx2x_xmac_enable(params, vars, 1);
  10258. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10259. }
  10260. void bnx2x_init_umac_loopback(struct link_params *params,
  10261. struct link_vars *vars)
  10262. {
  10263. struct bnx2x *bp = params->bp;
  10264. vars->link_up = 1;
  10265. vars->line_speed = SPEED_1000;
  10266. vars->duplex = DUPLEX_FULL;
  10267. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10268. vars->mac_type = MAC_TYPE_UMAC;
  10269. vars->phy_flags = PHY_XGXS_FLAG;
  10270. bnx2x_umac_enable(params, vars, 1);
  10271. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10272. }
  10273. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10274. struct link_vars *vars)
  10275. {
  10276. struct bnx2x *bp = params->bp;
  10277. vars->link_up = 1;
  10278. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10279. vars->duplex = DUPLEX_FULL;
  10280. if (params->req_line_speed[0] == SPEED_1000)
  10281. vars->line_speed = SPEED_1000;
  10282. else
  10283. vars->line_speed = SPEED_10000;
  10284. if (!USES_WARPCORE(bp))
  10285. bnx2x_xgxs_deassert(params);
  10286. bnx2x_link_initialize(params, vars);
  10287. if (params->req_line_speed[0] == SPEED_1000) {
  10288. if (USES_WARPCORE(bp))
  10289. bnx2x_umac_enable(params, vars, 0);
  10290. else {
  10291. bnx2x_emac_program(params, vars);
  10292. bnx2x_emac_enable(params, vars, 0);
  10293. }
  10294. } else {
  10295. if (USES_WARPCORE(bp))
  10296. bnx2x_xmac_enable(params, vars, 0);
  10297. else
  10298. bnx2x_bmac_enable(params, vars, 0);
  10299. }
  10300. if (params->loopback_mode == LOOPBACK_XGXS) {
  10301. /* set 10G XGXS loopback */
  10302. params->phy[INT_PHY].config_loopback(
  10303. &params->phy[INT_PHY],
  10304. params);
  10305. } else {
  10306. /* set external phy loopback */
  10307. u8 phy_index;
  10308. for (phy_index = EXT_PHY1;
  10309. phy_index < params->num_phys; phy_index++) {
  10310. if (params->phy[phy_index].config_loopback)
  10311. params->phy[phy_index].config_loopback(
  10312. &params->phy[phy_index],
  10313. params);
  10314. }
  10315. }
  10316. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10317. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10318. }
  10319. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10320. {
  10321. struct bnx2x *bp = params->bp;
  10322. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10323. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10324. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10325. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10326. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10327. vars->link_status = 0;
  10328. vars->phy_link_up = 0;
  10329. vars->link_up = 0;
  10330. vars->line_speed = 0;
  10331. vars->duplex = DUPLEX_FULL;
  10332. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10333. vars->mac_type = MAC_TYPE_NONE;
  10334. vars->phy_flags = 0;
  10335. /* disable attentions */
  10336. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10337. (NIG_MASK_XGXS0_LINK_STATUS |
  10338. NIG_MASK_XGXS0_LINK10G |
  10339. NIG_MASK_SERDES0_LINK_STATUS |
  10340. NIG_MASK_MI_INT));
  10341. bnx2x_emac_init(params, vars);
  10342. if (params->num_phys == 0) {
  10343. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10344. return -EINVAL;
  10345. }
  10346. set_phy_vars(params, vars);
  10347. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10348. switch (params->loopback_mode) {
  10349. case LOOPBACK_BMAC:
  10350. bnx2x_init_bmac_loopback(params, vars);
  10351. break;
  10352. case LOOPBACK_EMAC:
  10353. bnx2x_init_emac_loopback(params, vars);
  10354. break;
  10355. case LOOPBACK_XMAC:
  10356. bnx2x_init_xmac_loopback(params, vars);
  10357. break;
  10358. case LOOPBACK_UMAC:
  10359. bnx2x_init_umac_loopback(params, vars);
  10360. break;
  10361. case LOOPBACK_XGXS:
  10362. case LOOPBACK_EXT_PHY:
  10363. bnx2x_init_xgxs_loopback(params, vars);
  10364. break;
  10365. default:
  10366. if (!CHIP_IS_E3(bp)) {
  10367. if (params->switch_cfg == SWITCH_CFG_10G)
  10368. bnx2x_xgxs_deassert(params);
  10369. else
  10370. bnx2x_serdes_deassert(bp, params->port);
  10371. }
  10372. bnx2x_link_initialize(params, vars);
  10373. msleep(30);
  10374. bnx2x_link_int_enable(params);
  10375. break;
  10376. }
  10377. return 0;
  10378. }
  10379. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10380. u8 reset_ext_phy)
  10381. {
  10382. struct bnx2x *bp = params->bp;
  10383. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10384. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10385. /* disable attentions */
  10386. vars->link_status = 0;
  10387. bnx2x_update_mng(params, vars->link_status);
  10388. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10389. (NIG_MASK_XGXS0_LINK_STATUS |
  10390. NIG_MASK_XGXS0_LINK10G |
  10391. NIG_MASK_SERDES0_LINK_STATUS |
  10392. NIG_MASK_MI_INT));
  10393. /* activate nig drain */
  10394. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10395. /* disable nig egress interface */
  10396. if (!CHIP_IS_E3(bp)) {
  10397. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10398. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10399. }
  10400. /* Stop BigMac rx */
  10401. if (!CHIP_IS_E3(bp))
  10402. bnx2x_bmac_rx_disable(bp, port);
  10403. else
  10404. bnx2x_xmac_disable(params);
  10405. /* disable emac */
  10406. if (!CHIP_IS_E3(bp))
  10407. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10408. msleep(10);
  10409. /* The PHY reset is controlled by GPIO 1
  10410. * Hold it as vars low
  10411. */
  10412. /* clear link led */
  10413. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10414. if (reset_ext_phy) {
  10415. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10416. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10417. phy_index++) {
  10418. if (params->phy[phy_index].link_reset) {
  10419. bnx2x_set_aer_mmd(params,
  10420. &params->phy[phy_index]);
  10421. params->phy[phy_index].link_reset(
  10422. &params->phy[phy_index],
  10423. params);
  10424. }
  10425. if (params->phy[phy_index].flags &
  10426. FLAGS_REARM_LATCH_SIGNAL)
  10427. clear_latch_ind = 1;
  10428. }
  10429. }
  10430. if (clear_latch_ind) {
  10431. /* Clear latching indication */
  10432. bnx2x_rearm_latch_signal(bp, port, 0);
  10433. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10434. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10435. }
  10436. if (params->phy[INT_PHY].link_reset)
  10437. params->phy[INT_PHY].link_reset(
  10438. &params->phy[INT_PHY], params);
  10439. /* reset BigMac */
  10440. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10441. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10442. /* disable nig ingress interface */
  10443. if (!CHIP_IS_E3(bp)) {
  10444. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10445. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10446. }
  10447. vars->link_up = 0;
  10448. vars->phy_flags = 0;
  10449. return 0;
  10450. }
  10451. /****************************************************************************/
  10452. /* Common function */
  10453. /****************************************************************************/
  10454. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10455. u32 shmem_base_path[],
  10456. u32 shmem2_base_path[], u8 phy_index,
  10457. u32 chip_id)
  10458. {
  10459. struct bnx2x_phy phy[PORT_MAX];
  10460. struct bnx2x_phy *phy_blk[PORT_MAX];
  10461. u16 val;
  10462. s8 port = 0;
  10463. s8 port_of_path = 0;
  10464. u32 swap_val, swap_override;
  10465. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10466. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10467. port ^= (swap_val && swap_override);
  10468. bnx2x_ext_phy_hw_reset(bp, port);
  10469. /* PART1 - Reset both phys */
  10470. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10471. u32 shmem_base, shmem2_base;
  10472. /* In E2, same phy is using for port0 of the two paths */
  10473. if (CHIP_IS_E1x(bp)) {
  10474. shmem_base = shmem_base_path[0];
  10475. shmem2_base = shmem2_base_path[0];
  10476. port_of_path = port;
  10477. } else {
  10478. shmem_base = shmem_base_path[port];
  10479. shmem2_base = shmem2_base_path[port];
  10480. port_of_path = 0;
  10481. }
  10482. /* Extract the ext phy address for the port */
  10483. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10484. port_of_path, &phy[port]) !=
  10485. 0) {
  10486. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10487. return -EINVAL;
  10488. }
  10489. /* disable attentions */
  10490. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10491. port_of_path*4,
  10492. (NIG_MASK_XGXS0_LINK_STATUS |
  10493. NIG_MASK_XGXS0_LINK10G |
  10494. NIG_MASK_SERDES0_LINK_STATUS |
  10495. NIG_MASK_MI_INT));
  10496. /* Need to take the phy out of low power mode in order
  10497. to write to access its registers */
  10498. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10499. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10500. port);
  10501. /* Reset the phy */
  10502. bnx2x_cl45_write(bp, &phy[port],
  10503. MDIO_PMA_DEVAD,
  10504. MDIO_PMA_REG_CTRL,
  10505. 1<<15);
  10506. }
  10507. /* Add delay of 150ms after reset */
  10508. msleep(150);
  10509. if (phy[PORT_0].addr & 0x1) {
  10510. phy_blk[PORT_0] = &(phy[PORT_1]);
  10511. phy_blk[PORT_1] = &(phy[PORT_0]);
  10512. } else {
  10513. phy_blk[PORT_0] = &(phy[PORT_0]);
  10514. phy_blk[PORT_1] = &(phy[PORT_1]);
  10515. }
  10516. /* PART2 - Download firmware to both phys */
  10517. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10518. if (CHIP_IS_E1x(bp))
  10519. port_of_path = port;
  10520. else
  10521. port_of_path = 0;
  10522. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10523. phy_blk[port]->addr);
  10524. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10525. port_of_path))
  10526. return -EINVAL;
  10527. /* Only set bit 10 = 1 (Tx power down) */
  10528. bnx2x_cl45_read(bp, phy_blk[port],
  10529. MDIO_PMA_DEVAD,
  10530. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10531. /* Phase1 of TX_POWER_DOWN reset */
  10532. bnx2x_cl45_write(bp, phy_blk[port],
  10533. MDIO_PMA_DEVAD,
  10534. MDIO_PMA_REG_TX_POWER_DOWN,
  10535. (val | 1<<10));
  10536. }
  10537. /*
  10538. * Toggle Transmitter: Power down and then up with 600ms delay
  10539. * between
  10540. */
  10541. msleep(600);
  10542. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10543. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10544. /* Phase2 of POWER_DOWN_RESET */
  10545. /* Release bit 10 (Release Tx power down) */
  10546. bnx2x_cl45_read(bp, phy_blk[port],
  10547. MDIO_PMA_DEVAD,
  10548. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10549. bnx2x_cl45_write(bp, phy_blk[port],
  10550. MDIO_PMA_DEVAD,
  10551. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10552. msleep(15);
  10553. /* Read modify write the SPI-ROM version select register */
  10554. bnx2x_cl45_read(bp, phy_blk[port],
  10555. MDIO_PMA_DEVAD,
  10556. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10557. bnx2x_cl45_write(bp, phy_blk[port],
  10558. MDIO_PMA_DEVAD,
  10559. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10560. /* set GPIO2 back to LOW */
  10561. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10562. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10563. }
  10564. return 0;
  10565. }
  10566. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10567. u32 shmem_base_path[],
  10568. u32 shmem2_base_path[], u8 phy_index,
  10569. u32 chip_id)
  10570. {
  10571. u32 val;
  10572. s8 port;
  10573. struct bnx2x_phy phy;
  10574. /* Use port1 because of the static port-swap */
  10575. /* Enable the module detection interrupt */
  10576. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10577. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10578. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10579. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10580. bnx2x_ext_phy_hw_reset(bp, 0);
  10581. msleep(5);
  10582. for (port = 0; port < PORT_MAX; port++) {
  10583. u32 shmem_base, shmem2_base;
  10584. /* In E2, same phy is using for port0 of the two paths */
  10585. if (CHIP_IS_E1x(bp)) {
  10586. shmem_base = shmem_base_path[0];
  10587. shmem2_base = shmem2_base_path[0];
  10588. } else {
  10589. shmem_base = shmem_base_path[port];
  10590. shmem2_base = shmem2_base_path[port];
  10591. }
  10592. /* Extract the ext phy address for the port */
  10593. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10594. port, &phy) !=
  10595. 0) {
  10596. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10597. return -EINVAL;
  10598. }
  10599. /* Reset phy*/
  10600. bnx2x_cl45_write(bp, &phy,
  10601. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10602. /* Set fault module detected LED on */
  10603. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10604. MISC_REGISTERS_GPIO_HIGH,
  10605. port);
  10606. }
  10607. return 0;
  10608. }
  10609. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10610. u8 *io_gpio, u8 *io_port)
  10611. {
  10612. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10613. offsetof(struct shmem_region,
  10614. dev_info.port_hw_config[PORT_0].default_cfg));
  10615. switch (phy_gpio_reset) {
  10616. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10617. *io_gpio = 0;
  10618. *io_port = 0;
  10619. break;
  10620. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10621. *io_gpio = 1;
  10622. *io_port = 0;
  10623. break;
  10624. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10625. *io_gpio = 2;
  10626. *io_port = 0;
  10627. break;
  10628. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10629. *io_gpio = 3;
  10630. *io_port = 0;
  10631. break;
  10632. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10633. *io_gpio = 0;
  10634. *io_port = 1;
  10635. break;
  10636. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10637. *io_gpio = 1;
  10638. *io_port = 1;
  10639. break;
  10640. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10641. *io_gpio = 2;
  10642. *io_port = 1;
  10643. break;
  10644. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10645. *io_gpio = 3;
  10646. *io_port = 1;
  10647. break;
  10648. default:
  10649. /* Don't override the io_gpio and io_port */
  10650. break;
  10651. }
  10652. }
  10653. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10654. u32 shmem_base_path[],
  10655. u32 shmem2_base_path[], u8 phy_index,
  10656. u32 chip_id)
  10657. {
  10658. s8 port, reset_gpio;
  10659. u32 swap_val, swap_override;
  10660. struct bnx2x_phy phy[PORT_MAX];
  10661. struct bnx2x_phy *phy_blk[PORT_MAX];
  10662. s8 port_of_path;
  10663. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10664. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10665. reset_gpio = MISC_REGISTERS_GPIO_1;
  10666. port = 1;
  10667. /*
  10668. * Retrieve the reset gpio/port which control the reset.
  10669. * Default is GPIO1, PORT1
  10670. */
  10671. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10672. (u8 *)&reset_gpio, (u8 *)&port);
  10673. /* Calculate the port based on port swap */
  10674. port ^= (swap_val && swap_override);
  10675. /* Initiate PHY reset*/
  10676. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10677. port);
  10678. msleep(1);
  10679. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10680. port);
  10681. msleep(5);
  10682. /* PART1 - Reset both phys */
  10683. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10684. u32 shmem_base, shmem2_base;
  10685. /* In E2, same phy is using for port0 of the two paths */
  10686. if (CHIP_IS_E1x(bp)) {
  10687. shmem_base = shmem_base_path[0];
  10688. shmem2_base = shmem2_base_path[0];
  10689. port_of_path = port;
  10690. } else {
  10691. shmem_base = shmem_base_path[port];
  10692. shmem2_base = shmem2_base_path[port];
  10693. port_of_path = 0;
  10694. }
  10695. /* Extract the ext phy address for the port */
  10696. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10697. port_of_path, &phy[port]) !=
  10698. 0) {
  10699. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10700. return -EINVAL;
  10701. }
  10702. /* disable attentions */
  10703. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10704. port_of_path*4,
  10705. (NIG_MASK_XGXS0_LINK_STATUS |
  10706. NIG_MASK_XGXS0_LINK10G |
  10707. NIG_MASK_SERDES0_LINK_STATUS |
  10708. NIG_MASK_MI_INT));
  10709. /* Reset the phy */
  10710. bnx2x_cl45_write(bp, &phy[port],
  10711. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10712. }
  10713. /* Add delay of 150ms after reset */
  10714. msleep(150);
  10715. if (phy[PORT_0].addr & 0x1) {
  10716. phy_blk[PORT_0] = &(phy[PORT_1]);
  10717. phy_blk[PORT_1] = &(phy[PORT_0]);
  10718. } else {
  10719. phy_blk[PORT_0] = &(phy[PORT_0]);
  10720. phy_blk[PORT_1] = &(phy[PORT_1]);
  10721. }
  10722. /* PART2 - Download firmware to both phys */
  10723. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10724. if (CHIP_IS_E1x(bp))
  10725. port_of_path = port;
  10726. else
  10727. port_of_path = 0;
  10728. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10729. phy_blk[port]->addr);
  10730. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10731. port_of_path))
  10732. return -EINVAL;
  10733. /* Disable PHY transmitter output */
  10734. bnx2x_cl45_write(bp, phy_blk[port],
  10735. MDIO_PMA_DEVAD,
  10736. MDIO_PMA_REG_TX_DISABLE, 1);
  10737. }
  10738. return 0;
  10739. }
  10740. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10741. u32 shmem2_base_path[], u8 phy_index,
  10742. u32 ext_phy_type, u32 chip_id)
  10743. {
  10744. int rc = 0;
  10745. switch (ext_phy_type) {
  10746. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10747. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10748. shmem2_base_path,
  10749. phy_index, chip_id);
  10750. break;
  10751. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10752. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10753. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10754. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10755. shmem2_base_path,
  10756. phy_index, chip_id);
  10757. break;
  10758. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10759. /*
  10760. * GPIO1 affects both ports, so there's need to pull
  10761. * it for single port alone
  10762. */
  10763. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10764. shmem2_base_path,
  10765. phy_index, chip_id);
  10766. break;
  10767. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10768. /*
  10769. * GPIO3's are linked, and so both need to be toggled
  10770. * to obtain required 2us pulse.
  10771. */
  10772. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10773. break;
  10774. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10775. rc = -EINVAL;
  10776. break;
  10777. default:
  10778. DP(NETIF_MSG_LINK,
  10779. "ext_phy 0x%x common init not required\n",
  10780. ext_phy_type);
  10781. break;
  10782. }
  10783. if (rc != 0)
  10784. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10785. " Port %d\n",
  10786. 0);
  10787. return rc;
  10788. }
  10789. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10790. u32 shmem2_base_path[], u32 chip_id)
  10791. {
  10792. int rc = 0;
  10793. u32 phy_ver, val;
  10794. u8 phy_index = 0;
  10795. u32 ext_phy_type, ext_phy_config;
  10796. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10797. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10798. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10799. if (CHIP_IS_E3(bp)) {
  10800. /* Enable EPIO */
  10801. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10802. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10803. }
  10804. /* Check if common init was already done */
  10805. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10806. offsetof(struct shmem_region,
  10807. port_mb[PORT_0].ext_phy_fw_version));
  10808. if (phy_ver) {
  10809. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10810. phy_ver);
  10811. return 0;
  10812. }
  10813. /* Read the ext_phy_type for arbitrary port(0) */
  10814. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10815. phy_index++) {
  10816. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10817. shmem_base_path[0],
  10818. phy_index, 0);
  10819. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10820. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10821. shmem2_base_path,
  10822. phy_index, ext_phy_type,
  10823. chip_id);
  10824. }
  10825. return rc;
  10826. }
  10827. static void bnx2x_check_over_curr(struct link_params *params,
  10828. struct link_vars *vars)
  10829. {
  10830. struct bnx2x *bp = params->bp;
  10831. u32 cfg_pin;
  10832. u8 port = params->port;
  10833. u32 pin_val;
  10834. cfg_pin = (REG_RD(bp, params->shmem_base +
  10835. offsetof(struct shmem_region,
  10836. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10837. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10838. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10839. /* Ignore check if no external input PIN available */
  10840. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10841. return;
  10842. if (!pin_val) {
  10843. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10844. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10845. " been detected and the power to "
  10846. "that SFP+ module has been removed"
  10847. " to prevent failure of the card."
  10848. " Please remove the SFP+ module and"
  10849. " restart the system to clear this"
  10850. " error.\n",
  10851. params->port);
  10852. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10853. }
  10854. } else
  10855. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10856. }
  10857. static void bnx2x_analyze_link_error(struct link_params *params,
  10858. struct link_vars *vars, u32 lss_status)
  10859. {
  10860. struct bnx2x *bp = params->bp;
  10861. /* Compare new value with previous value */
  10862. u8 led_mode;
  10863. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10864. if ((lss_status ^ half_open_conn) == 0)
  10865. return;
  10866. /* If values differ */
  10867. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10868. half_open_conn, lss_status);
  10869. /*
  10870. * a. Update shmem->link_status accordingly
  10871. * b. Update link_vars->link_up
  10872. */
  10873. if (lss_status) {
  10874. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10875. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10876. vars->link_up = 0;
  10877. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10878. /*
  10879. * Set LED mode to off since the PHY doesn't know about these
  10880. * errors
  10881. */
  10882. led_mode = LED_MODE_OFF;
  10883. } else {
  10884. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10885. vars->link_status |= LINK_STATUS_LINK_UP;
  10886. vars->link_up = 1;
  10887. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10888. led_mode = LED_MODE_OPER;
  10889. }
  10890. /* Update the LED according to the link state */
  10891. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10892. /* Update link status in the shared memory */
  10893. bnx2x_update_mng(params, vars->link_status);
  10894. /* C. Trigger General Attention */
  10895. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10896. bnx2x_notify_link_changed(bp);
  10897. }
  10898. /******************************************************************************
  10899. * Description:
  10900. * This function checks for half opened connection change indication.
  10901. * When such change occurs, it calls the bnx2x_analyze_link_error
  10902. * to check if Remote Fault is set or cleared. Reception of remote fault
  10903. * status message in the MAC indicates that the peer's MAC has detected
  10904. * a fault, for example, due to break in the TX side of fiber.
  10905. *
  10906. ******************************************************************************/
  10907. static void bnx2x_check_half_open_conn(struct link_params *params,
  10908. struct link_vars *vars)
  10909. {
  10910. struct bnx2x *bp = params->bp;
  10911. u32 lss_status = 0;
  10912. u32 mac_base;
  10913. /* In case link status is physically up @ 10G do */
  10914. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10915. return;
  10916. if (CHIP_IS_E3(bp) &&
  10917. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10918. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  10919. /* Check E3 XMAC */
  10920. /*
  10921. * Note that link speed cannot be queried here, since it may be
  10922. * zero while link is down. In case UMAC is active, LSS will
  10923. * simply not be set
  10924. */
  10925. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10926. /* Clear stick bits (Requires rising edge) */
  10927. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  10928. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  10929. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  10930. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  10931. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  10932. lss_status = 1;
  10933. bnx2x_analyze_link_error(params, vars, lss_status);
  10934. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10935. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  10936. /* Check E1X / E2 BMAC */
  10937. u32 lss_status_reg;
  10938. u32 wb_data[2];
  10939. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10940. NIG_REG_INGRESS_BMAC0_MEM;
  10941. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10942. if (CHIP_IS_E2(bp))
  10943. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10944. else
  10945. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10946. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10947. lss_status = (wb_data[0] > 0);
  10948. bnx2x_analyze_link_error(params, vars, lss_status);
  10949. }
  10950. }
  10951. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10952. {
  10953. struct bnx2x *bp = params->bp;
  10954. u16 phy_idx;
  10955. if (!params) {
  10956. DP(NETIF_MSG_LINK, "Uninitialized params !\n");
  10957. return;
  10958. }
  10959. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  10960. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  10961. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  10962. bnx2x_check_half_open_conn(params, vars);
  10963. break;
  10964. }
  10965. }
  10966. if (CHIP_IS_E3(bp))
  10967. bnx2x_check_over_curr(params, vars);
  10968. }
  10969. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10970. {
  10971. u8 phy_index;
  10972. struct bnx2x_phy phy;
  10973. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10974. phy_index++) {
  10975. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10976. 0, &phy) != 0) {
  10977. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10978. return 0;
  10979. }
  10980. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10981. return 1;
  10982. }
  10983. return 0;
  10984. }
  10985. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10986. u32 shmem_base,
  10987. u32 shmem2_base,
  10988. u8 port)
  10989. {
  10990. u8 phy_index, fan_failure_det_req = 0;
  10991. struct bnx2x_phy phy;
  10992. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10993. phy_index++) {
  10994. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10995. port, &phy)
  10996. != 0) {
  10997. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10998. return 0;
  10999. }
  11000. fan_failure_det_req |= (phy.flags &
  11001. FLAGS_FAN_FAILURE_DET_REQ);
  11002. }
  11003. return fan_failure_det_req;
  11004. }
  11005. void bnx2x_hw_reset_phy(struct link_params *params)
  11006. {
  11007. u8 phy_index;
  11008. struct bnx2x *bp = params->bp;
  11009. bnx2x_update_mng(params, 0);
  11010. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11011. (NIG_MASK_XGXS0_LINK_STATUS |
  11012. NIG_MASK_XGXS0_LINK10G |
  11013. NIG_MASK_SERDES0_LINK_STATUS |
  11014. NIG_MASK_MI_INT));
  11015. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11016. phy_index++) {
  11017. if (params->phy[phy_index].hw_reset) {
  11018. params->phy[phy_index].hw_reset(
  11019. &params->phy[phy_index],
  11020. params);
  11021. params->phy[phy_index] = phy_null;
  11022. }
  11023. }
  11024. }
  11025. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11026. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11027. u8 port)
  11028. {
  11029. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11030. u32 val;
  11031. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11032. if (CHIP_IS_E3(bp)) {
  11033. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11034. shmem_base,
  11035. port,
  11036. &gpio_num,
  11037. &gpio_port) != 0)
  11038. return;
  11039. } else {
  11040. struct bnx2x_phy phy;
  11041. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11042. phy_index++) {
  11043. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11044. shmem2_base, port, &phy)
  11045. != 0) {
  11046. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11047. return;
  11048. }
  11049. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11050. gpio_num = MISC_REGISTERS_GPIO_3;
  11051. gpio_port = port;
  11052. break;
  11053. }
  11054. }
  11055. }
  11056. if (gpio_num == 0xff)
  11057. return;
  11058. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11059. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11060. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11061. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11062. gpio_port ^= (swap_val && swap_override);
  11063. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11064. (gpio_num + (gpio_port << 2));
  11065. sync_offset = shmem_base +
  11066. offsetof(struct shmem_region,
  11067. dev_info.port_hw_config[port].aeu_int_mask);
  11068. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11069. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11070. gpio_num, gpio_port, vars->aeu_int_mask);
  11071. if (port == 0)
  11072. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11073. else
  11074. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11075. /* Open appropriate AEU for interrupts */
  11076. aeu_mask = REG_RD(bp, offset);
  11077. aeu_mask |= vars->aeu_int_mask;
  11078. REG_WR(bp, offset, aeu_mask);
  11079. /* Enable the GPIO to trigger interrupt */
  11080. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11081. val |= 1 << (gpio_num + (gpio_port << 2));
  11082. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11083. }