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. /***********************************************************/
  43. /* Shortcut definitions */
  44. /***********************************************************/
  45. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  46. #define NIG_STATUS_EMAC0_MI_INT \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  48. #define NIG_STATUS_XGXS0_LINK10G \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  50. #define NIG_STATUS_XGXS0_LINK_STATUS \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  52. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  54. #define NIG_STATUS_SERDES0_LINK_STATUS \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  56. #define NIG_MASK_MI_INT \
  57. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  58. #define NIG_MASK_XGXS0_LINK10G \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  60. #define NIG_MASK_XGXS0_LINK_STATUS \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  62. #define NIG_MASK_SERDES0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  64. #define MDIO_AN_CL73_OR_37_COMPLETE \
  65. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  66. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  67. #define XGXS_RESET_BITS \
  68. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  70. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  73. #define SERDES_RESET_BITS \
  74. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  78. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  79. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  80. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  81. #define AUTONEG_PARALLEL \
  82. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  83. #define AUTONEG_SGMII_FIBER_AUTODET \
  84. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  85. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  86. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  87. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  88. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  90. #define GP_STATUS_SPEED_MASK \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  92. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  93. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  94. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  95. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  96. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  97. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  98. #define GP_STATUS_10G_HIG \
  99. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  100. #define GP_STATUS_10G_CX4 \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  102. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  103. #define GP_STATUS_10G_KX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  105. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  106. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  107. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  108. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  109. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  110. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  111. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  112. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  113. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  114. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  115. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  116. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  117. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  118. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  119. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  120. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  121. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  122. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  123. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  124. /* */
  125. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  126. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  127. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  128. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  129. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  130. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  131. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  132. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  133. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  135. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  136. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  137. #define SFP_EEPROM_OPTIONS_SIZE 2
  138. #define EDC_MODE_LINEAR 0x0022
  139. #define EDC_MODE_LIMITING 0x0044
  140. #define EDC_MODE_PASSIVE_DAC 0x0055
  141. /* BRB thresholds for E2*/
  142. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  143. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  144. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  145. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  146. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  147. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  148. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  149. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  150. /* BRB thresholds for E3A0 */
  151. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  152. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  153. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  155. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  156. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  157. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  158. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  159. /* BRB thresholds for E3B0 2 port mode*/
  160. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  161. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  162. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  164. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  165. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  168. /* only for E3B0*/
  169. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  170. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  171. /* Lossy +Lossless GUARANTIED == GUART */
  172. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  173. /* Lossless +Lossless*/
  174. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  175. /* Lossy +Lossy*/
  176. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  177. /* Lossy +Lossless*/
  178. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  179. /* Lossless +Lossless*/
  180. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  181. /* Lossy +Lossy*/
  182. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  183. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  184. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  185. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  186. /* BRB thresholds for E3B0 4 port mode */
  187. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  188. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  189. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  191. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  192. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  193. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  195. /* only for E3B0*/
  196. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  197. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  198. #define PFC_E3B0_4P_LB_GUART 120
  199. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  200. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  202. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  203. #define DCBX_INVALID_COS (0xFF)
  204. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  205. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  206. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  207. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  208. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  209. #define MAX_PACKET_SIZE (9700)
  210. #define WC_UC_TIMEOUT 100
  211. /**********************************************************/
  212. /* INTERFACE */
  213. /**********************************************************/
  214. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  215. bnx2x_cl45_write(_bp, _phy, \
  216. (_phy)->def_md_devad, \
  217. (_bank + (_addr & 0xf)), \
  218. _val)
  219. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  220. bnx2x_cl45_read(_bp, _phy, \
  221. (_phy)->def_md_devad, \
  222. (_bank + (_addr & 0xf)), \
  223. _val)
  224. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  225. {
  226. u32 val = REG_RD(bp, reg);
  227. val |= bits;
  228. REG_WR(bp, reg, val);
  229. return val;
  230. }
  231. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  232. {
  233. u32 val = REG_RD(bp, reg);
  234. val &= ~bits;
  235. REG_WR(bp, reg, val);
  236. return val;
  237. }
  238. /******************************************************************/
  239. /* EPIO/GPIO section */
  240. /******************************************************************/
  241. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  242. {
  243. u32 epio_mask, gp_oenable;
  244. *en = 0;
  245. /* Sanity check */
  246. if (epio_pin > 31) {
  247. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  248. return;
  249. }
  250. epio_mask = 1 << epio_pin;
  251. /* Set this EPIO to output */
  252. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  253. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  254. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  255. }
  256. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  257. {
  258. u32 epio_mask, gp_output, gp_oenable;
  259. /* Sanity check */
  260. if (epio_pin > 31) {
  261. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  262. return;
  263. }
  264. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  265. epio_mask = 1 << epio_pin;
  266. /* Set this EPIO to output */
  267. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  268. if (en)
  269. gp_output |= epio_mask;
  270. else
  271. gp_output &= ~epio_mask;
  272. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  273. /* Set the value for this EPIO */
  274. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  275. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  276. }
  277. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  278. {
  279. if (pin_cfg == PIN_CFG_NA)
  280. return;
  281. if (pin_cfg >= PIN_CFG_EPIO0) {
  282. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  283. } else {
  284. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  285. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  286. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  287. }
  288. }
  289. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  290. {
  291. if (pin_cfg == PIN_CFG_NA)
  292. return -EINVAL;
  293. if (pin_cfg >= PIN_CFG_EPIO0) {
  294. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  295. } else {
  296. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  297. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  298. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  299. }
  300. return 0;
  301. }
  302. /******************************************************************/
  303. /* ETS section */
  304. /******************************************************************/
  305. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  306. {
  307. /* ETS disabled configuration*/
  308. struct bnx2x *bp = params->bp;
  309. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  310. /*
  311. * mapping between entry priority to client number (0,1,2 -debug and
  312. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  313. * 3bits client num.
  314. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  315. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  318. /*
  319. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  320. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  321. * COS0 entry, 4 - COS1 entry.
  322. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  323. * bit4 bit3 bit2 bit1 bit0
  324. * MCP and debug are strict
  325. */
  326. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  327. /* defines which entries (clients) are subjected to WFQ arbitration */
  328. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  329. /*
  330. * For strict priority entries defines the number of consecutive
  331. * slots for the highest priority.
  332. */
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  334. /*
  335. * mapping between the CREDIT_WEIGHT registers and actual client
  336. * numbers
  337. */
  338. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  339. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  340. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  343. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  344. /* ETS mode disable */
  345. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  346. /*
  347. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  348. * weight for COS0/COS1.
  349. */
  350. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  351. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  352. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  353. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  354. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  355. /* Defines the number of consecutive slots for the strict priority */
  356. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  357. }
  358. /******************************************************************************
  359. * Description:
  360. * Getting min_w_val will be set according to line speed .
  361. *.
  362. ******************************************************************************/
  363. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  364. {
  365. u32 min_w_val = 0;
  366. /* Calculate min_w_val.*/
  367. if (vars->link_up) {
  368. if (SPEED_20000 == vars->line_speed)
  369. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  370. else
  371. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  372. } else
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. /**
  375. * If the link isn't up (static configuration for example ) The
  376. * link will be according to 20GBPS.
  377. */
  378. return min_w_val;
  379. }
  380. /******************************************************************************
  381. * Description:
  382. * Getting credit upper bound form min_w_val.
  383. *.
  384. ******************************************************************************/
  385. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  386. {
  387. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  388. MAX_PACKET_SIZE);
  389. return credit_upper_bound;
  390. }
  391. /******************************************************************************
  392. * Description:
  393. * Set credit upper bound for NIG.
  394. *.
  395. ******************************************************************************/
  396. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  397. const struct link_params *params,
  398. const u32 min_w_val)
  399. {
  400. struct bnx2x *bp = params->bp;
  401. const u8 port = params->port;
  402. const u32 credit_upper_bound =
  403. bnx2x_ets_get_credit_upper_bound(min_w_val);
  404. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  405. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  406. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  407. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  416. if (0 == port) {
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  418. credit_upper_bound);
  419. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  420. credit_upper_bound);
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  422. credit_upper_bound);
  423. }
  424. }
  425. /******************************************************************************
  426. * Description:
  427. * Will return the NIG ETS registers to init values.Except
  428. * credit_upper_bound.
  429. * That isn't used in this configuration (No WFQ is enabled) and will be
  430. * configured acording to spec
  431. *.
  432. ******************************************************************************/
  433. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  434. const struct link_vars *vars)
  435. {
  436. struct bnx2x *bp = params->bp;
  437. const u8 port = params->port;
  438. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  439. /**
  440. * mapping between entry priority to client number (0,1,2 -debug and
  441. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  442. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  443. * reset value or init tool
  444. */
  445. if (port) {
  446. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  447. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  448. } else {
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  450. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  451. }
  452. /**
  453. * For strict priority entries defines the number of consecutive
  454. * slots for the highest priority.
  455. */
  456. /* TODO_ETS - Should be done by reset value or init tool */
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  458. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  459. /**
  460. * mapping between the CREDIT_WEIGHT registers and actual client
  461. * numbers
  462. */
  463. /* TODO_ETS - Should be done by reset value or init tool */
  464. if (port) {
  465. /*Port 1 has 6 COS*/
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  467. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  468. } else {
  469. /*Port 0 has 9 COS*/
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  471. 0x43210876);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  473. }
  474. /**
  475. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  476. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  477. * COS0 entry, 4 - COS1 entry.
  478. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  479. * bit4 bit3 bit2 bit1 bit0
  480. * MCP and debug are strict
  481. */
  482. if (port)
  483. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  484. else
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  486. /* defines which entries (clients) are subjected to WFQ arbitration */
  487. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  488. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  489. /**
  490. * Please notice the register address are note continuous and a
  491. * for here is note appropriate.In 2 port mode port0 only COS0-5
  492. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  493. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  494. * are never used for WFQ
  495. */
  496. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  497. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  498. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  499. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  508. if (0 == port) {
  509. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  510. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  512. }
  513. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  514. }
  515. /******************************************************************************
  516. * Description:
  517. * Set credit upper bound for PBF.
  518. *.
  519. ******************************************************************************/
  520. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  521. const struct link_params *params,
  522. const u32 min_w_val)
  523. {
  524. struct bnx2x *bp = params->bp;
  525. const u32 credit_upper_bound =
  526. bnx2x_ets_get_credit_upper_bound(min_w_val);
  527. const u8 port = params->port;
  528. u32 base_upper_bound = 0;
  529. u8 max_cos = 0;
  530. u8 i = 0;
  531. /**
  532. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  533. * port mode port1 has COS0-2 that can be used for WFQ.
  534. */
  535. if (0 == port) {
  536. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  537. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  538. } else {
  539. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  540. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  541. }
  542. for (i = 0; i < max_cos; i++)
  543. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  544. }
  545. /******************************************************************************
  546. * Description:
  547. * Will return the PBF ETS registers to init values.Except
  548. * credit_upper_bound.
  549. * That isn't used in this configuration (No WFQ is enabled) and will be
  550. * configured acording to spec
  551. *.
  552. ******************************************************************************/
  553. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  554. {
  555. struct bnx2x *bp = params->bp;
  556. const u8 port = params->port;
  557. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  558. u8 i = 0;
  559. u32 base_weight = 0;
  560. u8 max_cos = 0;
  561. /**
  562. * mapping between entry priority to client number 0 - COS0
  563. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  564. * TODO_ETS - Should be done by reset value or init tool
  565. */
  566. if (port)
  567. /* 0x688 (|011|0 10|00 1|000) */
  568. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  569. else
  570. /* (10 1|100 |011|0 10|00 1|000) */
  571. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  572. /* TODO_ETS - Should be done by reset value or init tool */
  573. if (port)
  574. /* 0x688 (|011|0 10|00 1|000)*/
  575. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  576. else
  577. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  579. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  580. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  581. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  582. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  584. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  585. /**
  586. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  587. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  588. */
  589. if (0 == port) {
  590. base_weight = PBF_REG_COS0_WEIGHT_P0;
  591. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  592. } else {
  593. base_weight = PBF_REG_COS0_WEIGHT_P1;
  594. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  595. }
  596. for (i = 0; i < max_cos; i++)
  597. REG_WR(bp, base_weight + (0x4 * i), 0);
  598. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * E3B0 disable will return basicly the values to init values.
  603. *.
  604. ******************************************************************************/
  605. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  606. const struct link_vars *vars)
  607. {
  608. struct bnx2x *bp = params->bp;
  609. if (!CHIP_IS_E3B0(bp)) {
  610. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  611. "\n");
  612. return -EINVAL;
  613. }
  614. bnx2x_ets_e3b0_nig_disabled(params, vars);
  615. bnx2x_ets_e3b0_pbf_disabled(params);
  616. return 0;
  617. }
  618. /******************************************************************************
  619. * Description:
  620. * Disable will return basicly the values to init values.
  621. *.
  622. ******************************************************************************/
  623. int bnx2x_ets_disabled(struct link_params *params,
  624. struct link_vars *vars)
  625. {
  626. struct bnx2x *bp = params->bp;
  627. int bnx2x_status = 0;
  628. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  629. bnx2x_ets_e2e3a0_disabled(params);
  630. else if (CHIP_IS_E3B0(bp))
  631. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  632. else {
  633. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  634. return -EINVAL;
  635. }
  636. return bnx2x_status;
  637. }
  638. /******************************************************************************
  639. * Description
  640. * Set the COS mappimg to SP and BW until this point all the COS are not
  641. * set as SP or BW.
  642. ******************************************************************************/
  643. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  644. const struct bnx2x_ets_params *ets_params,
  645. const u8 cos_sp_bitmap,
  646. const u8 cos_bw_bitmap)
  647. {
  648. struct bnx2x *bp = params->bp;
  649. const u8 port = params->port;
  650. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  651. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  652. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  653. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  654. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  655. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  656. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  657. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  660. nig_cli_subject2wfq_bitmap);
  661. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  662. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  663. pbf_cli_subject2wfq_bitmap);
  664. return 0;
  665. }
  666. /******************************************************************************
  667. * Description:
  668. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  669. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  672. const u8 cos_entry,
  673. const u32 min_w_val_nig,
  674. const u32 min_w_val_pbf,
  675. const u16 total_bw,
  676. const u8 bw,
  677. const u8 port)
  678. {
  679. u32 nig_reg_adress_crd_weight = 0;
  680. u32 pbf_reg_adress_crd_weight = 0;
  681. /* Calculate and set BW for this COS*/
  682. const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
  683. const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
  684. switch (cos_entry) {
  685. case 0:
  686. nig_reg_adress_crd_weight =
  687. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  688. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  689. pbf_reg_adress_crd_weight = (port) ?
  690. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  691. break;
  692. case 1:
  693. nig_reg_adress_crd_weight = (port) ?
  694. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  695. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  696. pbf_reg_adress_crd_weight = (port) ?
  697. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  698. break;
  699. case 2:
  700. nig_reg_adress_crd_weight = (port) ?
  701. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  702. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  703. pbf_reg_adress_crd_weight = (port) ?
  704. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  705. break;
  706. case 3:
  707. if (port)
  708. return -EINVAL;
  709. nig_reg_adress_crd_weight =
  710. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  711. pbf_reg_adress_crd_weight =
  712. PBF_REG_COS3_WEIGHT_P0;
  713. break;
  714. case 4:
  715. if (port)
  716. return -EINVAL;
  717. nig_reg_adress_crd_weight =
  718. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  719. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  720. break;
  721. case 5:
  722. if (port)
  723. return -EINVAL;
  724. nig_reg_adress_crd_weight =
  725. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  726. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  727. break;
  728. }
  729. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  730. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  731. return 0;
  732. }
  733. /******************************************************************************
  734. * Description:
  735. * Calculate the total BW.A value of 0 isn't legal.
  736. *.
  737. ******************************************************************************/
  738. static int bnx2x_ets_e3b0_get_total_bw(
  739. const struct link_params *params,
  740. const struct bnx2x_ets_params *ets_params,
  741. u16 *total_bw)
  742. {
  743. struct bnx2x *bp = params->bp;
  744. u8 cos_idx = 0;
  745. *total_bw = 0 ;
  746. /* Calculate total BW requested */
  747. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  748. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  749. if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
  750. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  751. "was set to 0\n");
  752. return -EINVAL;
  753. }
  754. *total_bw +=
  755. ets_params->cos[cos_idx].params.bw_params.bw;
  756. }
  757. }
  758. /*Check taotl BW is valid */
  759. if ((100 != *total_bw) || (0 == *total_bw)) {
  760. if (0 == *total_bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
  762. "shouldn't be 0\n");
  763. return -EINVAL;
  764. }
  765. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
  766. "100\n");
  767. /**
  768. * We can handle a case whre the BW isn't 100 this can happen
  769. * if the TC are joined.
  770. */
  771. }
  772. return 0;
  773. }
  774. /******************************************************************************
  775. * Description:
  776. * Invalidate all the sp_pri_to_cos.
  777. *.
  778. ******************************************************************************/
  779. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  780. {
  781. u8 pri = 0;
  782. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  783. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  784. }
  785. /******************************************************************************
  786. * Description:
  787. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  788. * according to sp_pri_to_cos.
  789. *.
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  792. u8 *sp_pri_to_cos, const u8 pri,
  793. const u8 cos_entry)
  794. {
  795. struct bnx2x *bp = params->bp;
  796. const u8 port = params->port;
  797. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  798. DCBX_E3B0_MAX_NUM_COS_PORT0;
  799. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  800. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  801. "parameter There can't be two COS's with"
  802. "the same strict pri\n");
  803. return -EINVAL;
  804. }
  805. if (pri > max_num_of_cos) {
  806. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
  807. "parameter Illegal strict priority\n");
  808. return -EINVAL;
  809. }
  810. sp_pri_to_cos[pri] = cos_entry;
  811. return 0;
  812. }
  813. /******************************************************************************
  814. * Description:
  815. * Returns the correct value according to COS and priority in
  816. * the sp_pri_cli register.
  817. *.
  818. ******************************************************************************/
  819. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  820. const u8 pri_set,
  821. const u8 pri_offset,
  822. const u8 entry_size)
  823. {
  824. u64 pri_cli_nig = 0;
  825. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  826. (pri_set + pri_offset));
  827. return pri_cli_nig;
  828. }
  829. /******************************************************************************
  830. * Description:
  831. * Returns the correct value according to COS and priority in the
  832. * sp_pri_cli register for NIG.
  833. *.
  834. ******************************************************************************/
  835. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  836. {
  837. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  838. const u8 nig_cos_offset = 3;
  839. const u8 nig_pri_offset = 3;
  840. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  841. nig_pri_offset, 4);
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for PBF.
  847. *.
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  850. {
  851. const u8 pbf_cos_offset = 0;
  852. const u8 pbf_pri_offset = 0;
  853. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  854. pbf_pri_offset, 3);
  855. }
  856. /******************************************************************************
  857. * Description:
  858. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  859. * according to sp_pri_to_cos.(which COS has higher priority)
  860. *.
  861. ******************************************************************************/
  862. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  863. u8 *sp_pri_to_cos)
  864. {
  865. struct bnx2x *bp = params->bp;
  866. u8 i = 0;
  867. const u8 port = params->port;
  868. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  869. u64 pri_cli_nig = 0x210;
  870. u32 pri_cli_pbf = 0x0;
  871. u8 pri_set = 0;
  872. u8 pri_bitmask = 0;
  873. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  874. DCBX_E3B0_MAX_NUM_COS_PORT0;
  875. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  876. /* Set all the strict priority first */
  877. for (i = 0; i < max_num_of_cos; i++) {
  878. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  879. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  880. DP(NETIF_MSG_LINK,
  881. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  882. "invalid cos entry\n");
  883. return -EINVAL;
  884. }
  885. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  886. sp_pri_to_cos[i], pri_set);
  887. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  888. sp_pri_to_cos[i], pri_set);
  889. pri_bitmask = 1 << sp_pri_to_cos[i];
  890. /* COS is used remove it from bitmap.*/
  891. if (0 == (pri_bitmask & cos_bit_to_set)) {
  892. DP(NETIF_MSG_LINK,
  893. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  894. "invalid There can't be two COS's with"
  895. " the same strict pri\n");
  896. return -EINVAL;
  897. }
  898. cos_bit_to_set &= ~pri_bitmask;
  899. pri_set++;
  900. }
  901. }
  902. /* Set all the Non strict priority i= COS*/
  903. for (i = 0; i < max_num_of_cos; i++) {
  904. pri_bitmask = 1 << i;
  905. /* Check if COS was already used for SP */
  906. if (pri_bitmask & cos_bit_to_set) {
  907. /* COS wasn't used for SP */
  908. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  909. i, pri_set);
  910. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  911. i, pri_set);
  912. /* COS is used remove it from bitmap.*/
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. if (pri_set != max_num_of_cos) {
  918. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  919. "entries were set\n");
  920. return -EINVAL;
  921. }
  922. if (port) {
  923. /* Only 6 usable clients*/
  924. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  925. (u32)pri_cli_nig);
  926. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  927. } else {
  928. /* Only 9 usable clients*/
  929. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  930. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  931. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  932. pri_cli_nig_lsb);
  933. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  934. pri_cli_nig_msb);
  935. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  936. }
  937. return 0;
  938. }
  939. /******************************************************************************
  940. * Description:
  941. * Configure the COS to ETS according to BW and SP settings.
  942. ******************************************************************************/
  943. int bnx2x_ets_e3b0_config(const struct link_params *params,
  944. const struct link_vars *vars,
  945. const struct bnx2x_ets_params *ets_params)
  946. {
  947. struct bnx2x *bp = params->bp;
  948. int bnx2x_status = 0;
  949. const u8 port = params->port;
  950. u16 total_bw = 0;
  951. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  952. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  953. u8 cos_bw_bitmap = 0;
  954. u8 cos_sp_bitmap = 0;
  955. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  956. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  957. DCBX_E3B0_MAX_NUM_COS_PORT0;
  958. u8 cos_entry = 0;
  959. if (!CHIP_IS_E3B0(bp)) {
  960. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  961. "\n");
  962. return -EINVAL;
  963. }
  964. if ((ets_params->num_of_cos > max_num_of_cos)) {
  965. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  966. "isn't supported\n");
  967. return -EINVAL;
  968. }
  969. /* Prepare sp strict priority parameters*/
  970. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  971. /* Prepare BW parameters*/
  972. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  973. &total_bw);
  974. if (0 != bnx2x_status) {
  975. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
  976. "\n");
  977. return -EINVAL;
  978. }
  979. /**
  980. * Upper bound is set according to current link speed (min_w_val
  981. * should be the same for upper bound and COS credit val).
  982. */
  983. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  984. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  985. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  986. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  987. cos_bw_bitmap |= (1 << cos_entry);
  988. /**
  989. * The function also sets the BW in HW(not the mappin
  990. * yet)
  991. */
  992. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  993. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  994. total_bw,
  995. ets_params->cos[cos_entry].params.bw_params.bw,
  996. port);
  997. } else if (bnx2x_cos_state_strict ==
  998. ets_params->cos[cos_entry].state){
  999. cos_sp_bitmap |= (1 << cos_entry);
  1000. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1001. params,
  1002. sp_pri_to_cos,
  1003. ets_params->cos[cos_entry].params.sp_params.pri,
  1004. cos_entry);
  1005. } else {
  1006. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
  1007. " valid\n");
  1008. return -EINVAL;
  1009. }
  1010. if (0 != bnx2x_status) {
  1011. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
  1012. "failed\n");
  1013. return bnx2x_status;
  1014. }
  1015. }
  1016. /* Set SP register (which COS has higher priority) */
  1017. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1018. sp_pri_to_cos);
  1019. if (0 != bnx2x_status) {
  1020. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
  1021. "failed\n");
  1022. return bnx2x_status;
  1023. }
  1024. /* Set client mapping of BW and strict */
  1025. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1026. cos_sp_bitmap,
  1027. cos_bw_bitmap);
  1028. if (0 != bnx2x_status) {
  1029. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1030. return bnx2x_status;
  1031. }
  1032. return 0;
  1033. }
  1034. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1035. {
  1036. /* ETS disabled configuration */
  1037. struct bnx2x *bp = params->bp;
  1038. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1039. /*
  1040. * defines which entries (clients) are subjected to WFQ arbitration
  1041. * COS0 0x8
  1042. * COS1 0x10
  1043. */
  1044. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1045. /*
  1046. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1047. * client numbers (WEIGHT_0 does not actually have to represent
  1048. * client 0)
  1049. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1050. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1051. */
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1053. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1054. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1056. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1057. /* ETS mode enabled*/
  1058. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1059. /* Defines the number of consecutive slots for the strict priority */
  1060. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1061. /*
  1062. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1063. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1064. * entry, 4 - COS1 entry.
  1065. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1066. * bit4 bit3 bit2 bit1 bit0
  1067. * MCP and debug are strict
  1068. */
  1069. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1070. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1071. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1072. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1073. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1074. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1075. }
  1076. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1077. const u32 cos1_bw)
  1078. {
  1079. /* ETS disabled configuration*/
  1080. struct bnx2x *bp = params->bp;
  1081. const u32 total_bw = cos0_bw + cos1_bw;
  1082. u32 cos0_credit_weight = 0;
  1083. u32 cos1_credit_weight = 0;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. if ((0 == total_bw) ||
  1086. (0 == cos0_bw) ||
  1087. (0 == cos1_bw)) {
  1088. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1089. return;
  1090. }
  1091. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1092. total_bw;
  1093. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1094. total_bw;
  1095. bnx2x_ets_bw_limit_common(params);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1099. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1100. }
  1101. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1102. {
  1103. /* ETS disabled configuration*/
  1104. struct bnx2x *bp = params->bp;
  1105. u32 val = 0;
  1106. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1107. /*
  1108. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1109. * as strict. Bits 0,1,2 - debug and management entries,
  1110. * 3 - COS0 entry, 4 - COS1 entry.
  1111. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1112. * bit4 bit3 bit2 bit1 bit0
  1113. * MCP and debug are strict
  1114. */
  1115. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1116. /*
  1117. * For strict priority entries defines the number of consecutive slots
  1118. * for the highest priority.
  1119. */
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1121. /* ETS mode disable */
  1122. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1123. /* Defines the number of consecutive slots for the strict priority */
  1124. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1125. /* Defines the number of consecutive slots for the strict priority */
  1126. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1127. /*
  1128. * mapping between entry priority to client number (0,1,2 -debug and
  1129. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1130. * 3bits client num.
  1131. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1132. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1133. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1134. */
  1135. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1136. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1137. return 0;
  1138. }
  1139. /******************************************************************/
  1140. /* PFC section */
  1141. /******************************************************************/
  1142. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1143. struct link_vars *vars,
  1144. u8 is_lb)
  1145. {
  1146. struct bnx2x *bp = params->bp;
  1147. u32 xmac_base;
  1148. u32 pause_val, pfc0_val, pfc1_val;
  1149. /* XMAC base adrr */
  1150. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1151. /* Initialize pause and pfc registers */
  1152. pause_val = 0x18000;
  1153. pfc0_val = 0xFFFF8000;
  1154. pfc1_val = 0x2;
  1155. /* No PFC support */
  1156. if (!(params->feature_config_flags &
  1157. FEATURE_CONFIG_PFC_ENABLED)) {
  1158. /*
  1159. * RX flow control - Process pause frame in receive direction
  1160. */
  1161. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1162. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1163. /*
  1164. * TX flow control - Send pause packet when buffer is full
  1165. */
  1166. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1167. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1168. } else {/* PFC support */
  1169. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1170. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1171. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1172. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1173. }
  1174. /* Write pause and PFC registers */
  1175. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1177. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1178. /* Set MAC address for source TX Pause/PFC frames */
  1179. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1180. ((params->mac_addr[2] << 24) |
  1181. (params->mac_addr[3] << 16) |
  1182. (params->mac_addr[4] << 8) |
  1183. (params->mac_addr[5])));
  1184. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1185. ((params->mac_addr[0] << 8) |
  1186. (params->mac_addr[1])));
  1187. udelay(30);
  1188. }
  1189. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1190. u32 pfc_frames_sent[2],
  1191. u32 pfc_frames_received[2])
  1192. {
  1193. /* Read pfc statistic */
  1194. struct bnx2x *bp = params->bp;
  1195. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1196. u32 val_xon = 0;
  1197. u32 val_xoff = 0;
  1198. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1199. /* PFC received frames */
  1200. val_xoff = REG_RD(bp, emac_base +
  1201. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1202. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1203. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1204. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1205. pfc_frames_received[0] = val_xon + val_xoff;
  1206. /* PFC received sent */
  1207. val_xoff = REG_RD(bp, emac_base +
  1208. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1209. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1210. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1211. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1212. pfc_frames_sent[0] = val_xon + val_xoff;
  1213. }
  1214. /* Read pfc statistic*/
  1215. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1216. u32 pfc_frames_sent[2],
  1217. u32 pfc_frames_received[2])
  1218. {
  1219. /* Read pfc statistic */
  1220. struct bnx2x *bp = params->bp;
  1221. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1222. if (!vars->link_up)
  1223. return;
  1224. if (MAC_TYPE_EMAC == vars->mac_type) {
  1225. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1226. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1227. pfc_frames_received);
  1228. }
  1229. }
  1230. /******************************************************************/
  1231. /* MAC/PBF section */
  1232. /******************************************************************/
  1233. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1234. {
  1235. u32 mode, emac_base;
  1236. /**
  1237. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1238. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1239. */
  1240. if (CHIP_IS_E2(bp))
  1241. emac_base = GRCBASE_EMAC0;
  1242. else
  1243. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1244. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1245. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1246. EMAC_MDIO_MODE_CLOCK_CNT);
  1247. if (USES_WARPCORE(bp))
  1248. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1249. else
  1250. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1251. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1252. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1253. udelay(40);
  1254. }
  1255. static void bnx2x_emac_init(struct link_params *params,
  1256. struct link_vars *vars)
  1257. {
  1258. /* reset and unreset the emac core */
  1259. struct bnx2x *bp = params->bp;
  1260. u8 port = params->port;
  1261. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1262. u32 val;
  1263. u16 timeout;
  1264. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1265. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1266. udelay(5);
  1267. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1268. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1269. /* init emac - use read-modify-write */
  1270. /* self clear reset */
  1271. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1272. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1273. timeout = 200;
  1274. do {
  1275. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1276. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1277. if (!timeout) {
  1278. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1279. return;
  1280. }
  1281. timeout--;
  1282. } while (val & EMAC_MODE_RESET);
  1283. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1284. /* Set mac address */
  1285. val = ((params->mac_addr[0] << 8) |
  1286. params->mac_addr[1]);
  1287. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1288. val = ((params->mac_addr[2] << 24) |
  1289. (params->mac_addr[3] << 16) |
  1290. (params->mac_addr[4] << 8) |
  1291. params->mac_addr[5]);
  1292. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1293. }
  1294. static void bnx2x_set_xumac_nig(struct link_params *params,
  1295. u16 tx_pause_en,
  1296. u8 enable)
  1297. {
  1298. struct bnx2x *bp = params->bp;
  1299. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1300. enable);
  1301. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1302. enable);
  1303. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1304. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1305. }
  1306. static void bnx2x_umac_enable(struct link_params *params,
  1307. struct link_vars *vars, u8 lb)
  1308. {
  1309. u32 val;
  1310. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1311. struct bnx2x *bp = params->bp;
  1312. /* Reset UMAC */
  1313. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1314. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1315. usleep_range(1000, 1000);
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1317. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1318. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1319. /**
  1320. * This register determines on which events the MAC will assert
  1321. * error on the i/f to the NIG along w/ EOP.
  1322. */
  1323. /**
  1324. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1325. * params->port*0x14, 0xfffff.
  1326. */
  1327. /* This register opens the gate for the UMAC despite its name */
  1328. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1329. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1330. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1331. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1332. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1333. switch (vars->line_speed) {
  1334. case SPEED_10:
  1335. val |= (0<<2);
  1336. break;
  1337. case SPEED_100:
  1338. val |= (1<<2);
  1339. break;
  1340. case SPEED_1000:
  1341. val |= (2<<2);
  1342. break;
  1343. case SPEED_2500:
  1344. val |= (3<<2);
  1345. break;
  1346. default:
  1347. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1348. vars->line_speed);
  1349. break;
  1350. }
  1351. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1352. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1353. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1354. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1355. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1356. udelay(50);
  1357. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1358. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1359. ((params->mac_addr[2] << 24) |
  1360. (params->mac_addr[3] << 16) |
  1361. (params->mac_addr[4] << 8) |
  1362. (params->mac_addr[5])));
  1363. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1364. ((params->mac_addr[0] << 8) |
  1365. (params->mac_addr[1])));
  1366. /* Enable RX and TX */
  1367. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1368. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1369. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1370. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1371. udelay(50);
  1372. /* Remove SW Reset */
  1373. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1374. /* Check loopback mode */
  1375. if (lb)
  1376. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1377. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1378. /*
  1379. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1380. * length used by the MAC receive logic to check frames.
  1381. */
  1382. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1383. bnx2x_set_xumac_nig(params,
  1384. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1385. vars->mac_type = MAC_TYPE_UMAC;
  1386. }
  1387. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1388. {
  1389. u32 port4mode_ovwr_val;
  1390. /* Check 4-port override enabled */
  1391. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1392. if (port4mode_ovwr_val & (1<<0)) {
  1393. /* Return 4-port mode override value */
  1394. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1395. }
  1396. /* Return 4-port mode from input pin */
  1397. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1398. }
  1399. /* Define the XMAC mode */
  1400. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1401. {
  1402. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1403. /**
  1404. * In 4-port mode, need to set the mode only once, so if XMAC is
  1405. * already out of reset, it means the mode has already been set,
  1406. * and it must not* reset the XMAC again, since it controls both
  1407. * ports of the path
  1408. **/
  1409. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1410. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1411. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1412. " in 4-port mode\n");
  1413. return;
  1414. }
  1415. /* Hard reset */
  1416. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1417. MISC_REGISTERS_RESET_REG_2_XMAC);
  1418. usleep_range(1000, 1000);
  1419. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1420. MISC_REGISTERS_RESET_REG_2_XMAC);
  1421. if (is_port4mode) {
  1422. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1423. /* Set the number of ports on the system side to up to 2 */
  1424. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1425. /* Set the number of ports on the Warp Core to 10G */
  1426. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1427. } else {
  1428. /* Set the number of ports on the system side to 1 */
  1429. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1430. if (max_speed == SPEED_10000) {
  1431. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1432. " port per path\n");
  1433. /* Set the number of ports on the Warp Core to 10G */
  1434. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1435. } else {
  1436. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1437. " per path\n");
  1438. /* Set the number of ports on the Warp Core to 20G */
  1439. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1440. }
  1441. }
  1442. /* Soft reset */
  1443. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1444. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1445. usleep_range(1000, 1000);
  1446. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1447. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1448. }
  1449. static void bnx2x_xmac_disable(struct link_params *params)
  1450. {
  1451. u8 port = params->port;
  1452. struct bnx2x *bp = params->bp;
  1453. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1454. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1455. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1456. /*
  1457. * Send an indication to change the state in the NIG back to XON
  1458. * Clearing this bit enables the next set of this bit to get
  1459. * rising edge
  1460. */
  1461. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1462. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1463. (pfc_ctrl & ~(1<<1)));
  1464. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1465. (pfc_ctrl | (1<<1)));
  1466. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1467. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1468. usleep_range(1000, 1000);
  1469. bnx2x_set_xumac_nig(params, 0, 0);
  1470. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1471. XMAC_CTRL_REG_SOFT_RESET);
  1472. }
  1473. }
  1474. static int bnx2x_xmac_enable(struct link_params *params,
  1475. struct link_vars *vars, u8 lb)
  1476. {
  1477. u32 val, xmac_base;
  1478. struct bnx2x *bp = params->bp;
  1479. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1480. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1481. bnx2x_xmac_init(bp, vars->line_speed);
  1482. /*
  1483. * This register determines on which events the MAC will assert
  1484. * error on the i/f to the NIG along w/ EOP.
  1485. */
  1486. /*
  1487. * This register tells the NIG whether to send traffic to UMAC
  1488. * or XMAC
  1489. */
  1490. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1491. /* Set Max packet size */
  1492. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1493. /* CRC append for Tx packets */
  1494. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1495. /* update PFC */
  1496. bnx2x_update_pfc_xmac(params, vars, 0);
  1497. /* Enable TX and RX */
  1498. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1499. /* Check loopback mode */
  1500. if (lb)
  1501. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1502. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1503. bnx2x_set_xumac_nig(params,
  1504. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1505. vars->mac_type = MAC_TYPE_XMAC;
  1506. return 0;
  1507. }
  1508. static int bnx2x_emac_enable(struct link_params *params,
  1509. struct link_vars *vars, u8 lb)
  1510. {
  1511. struct bnx2x *bp = params->bp;
  1512. u8 port = params->port;
  1513. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1514. u32 val;
  1515. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1516. /* Disable BMAC */
  1517. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1518. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1519. /* enable emac and not bmac */
  1520. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1521. /* ASIC */
  1522. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1523. u32 ser_lane = ((params->lane_config &
  1524. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1525. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1526. DP(NETIF_MSG_LINK, "XGXS\n");
  1527. /* select the master lanes (out of 0-3) */
  1528. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1529. /* select XGXS */
  1530. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1531. } else { /* SerDes */
  1532. DP(NETIF_MSG_LINK, "SerDes\n");
  1533. /* select SerDes */
  1534. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1535. }
  1536. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1537. EMAC_RX_MODE_RESET);
  1538. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1539. EMAC_TX_MODE_RESET);
  1540. if (CHIP_REV_IS_SLOW(bp)) {
  1541. /* config GMII mode */
  1542. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1543. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1544. } else { /* ASIC */
  1545. /* pause enable/disable */
  1546. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1547. EMAC_RX_MODE_FLOW_EN);
  1548. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1549. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1550. EMAC_TX_MODE_FLOW_EN));
  1551. if (!(params->feature_config_flags &
  1552. FEATURE_CONFIG_PFC_ENABLED)) {
  1553. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1554. bnx2x_bits_en(bp, emac_base +
  1555. EMAC_REG_EMAC_RX_MODE,
  1556. EMAC_RX_MODE_FLOW_EN);
  1557. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1558. bnx2x_bits_en(bp, emac_base +
  1559. EMAC_REG_EMAC_TX_MODE,
  1560. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1561. EMAC_TX_MODE_FLOW_EN));
  1562. } else
  1563. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1564. EMAC_TX_MODE_FLOW_EN);
  1565. }
  1566. /* KEEP_VLAN_TAG, promiscuous */
  1567. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1568. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1569. /*
  1570. * Setting this bit causes MAC control frames (except for pause
  1571. * frames) to be passed on for processing. This setting has no
  1572. * affect on the operation of the pause frames. This bit effects
  1573. * all packets regardless of RX Parser packet sorting logic.
  1574. * Turn the PFC off to make sure we are in Xon state before
  1575. * enabling it.
  1576. */
  1577. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1578. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1579. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1580. /* Enable PFC again */
  1581. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1582. EMAC_REG_RX_PFC_MODE_RX_EN |
  1583. EMAC_REG_RX_PFC_MODE_TX_EN |
  1584. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1585. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1586. ((0x0101 <<
  1587. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1588. (0x00ff <<
  1589. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1590. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1591. }
  1592. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1593. /* Set Loopback */
  1594. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1595. if (lb)
  1596. val |= 0x810;
  1597. else
  1598. val &= ~0x810;
  1599. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1600. /* enable emac */
  1601. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1602. /* enable emac for jumbo packets */
  1603. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1604. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1605. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1606. /* strip CRC */
  1607. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1608. /* disable the NIG in/out to the bmac */
  1609. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1610. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1611. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1612. /* enable the NIG in/out to the emac */
  1613. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1614. val = 0;
  1615. if ((params->feature_config_flags &
  1616. FEATURE_CONFIG_PFC_ENABLED) ||
  1617. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1618. val = 1;
  1619. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1620. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1621. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1622. vars->mac_type = MAC_TYPE_EMAC;
  1623. return 0;
  1624. }
  1625. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1626. struct link_vars *vars)
  1627. {
  1628. u32 wb_data[2];
  1629. struct bnx2x *bp = params->bp;
  1630. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1631. NIG_REG_INGRESS_BMAC0_MEM;
  1632. u32 val = 0x14;
  1633. if ((!(params->feature_config_flags &
  1634. FEATURE_CONFIG_PFC_ENABLED)) &&
  1635. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1636. /* Enable BigMAC to react on received Pause packets */
  1637. val |= (1<<5);
  1638. wb_data[0] = val;
  1639. wb_data[1] = 0;
  1640. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1641. /* tx control */
  1642. val = 0xc0;
  1643. if (!(params->feature_config_flags &
  1644. FEATURE_CONFIG_PFC_ENABLED) &&
  1645. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1646. val |= 0x800000;
  1647. wb_data[0] = val;
  1648. wb_data[1] = 0;
  1649. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1650. }
  1651. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1652. struct link_vars *vars,
  1653. u8 is_lb)
  1654. {
  1655. /*
  1656. * Set rx control: Strip CRC and enable BigMAC to relay
  1657. * control packets to the system as well
  1658. */
  1659. u32 wb_data[2];
  1660. struct bnx2x *bp = params->bp;
  1661. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1662. NIG_REG_INGRESS_BMAC0_MEM;
  1663. u32 val = 0x14;
  1664. if ((!(params->feature_config_flags &
  1665. FEATURE_CONFIG_PFC_ENABLED)) &&
  1666. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1667. /* Enable BigMAC to react on received Pause packets */
  1668. val |= (1<<5);
  1669. wb_data[0] = val;
  1670. wb_data[1] = 0;
  1671. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1672. udelay(30);
  1673. /* Tx control */
  1674. val = 0xc0;
  1675. if (!(params->feature_config_flags &
  1676. FEATURE_CONFIG_PFC_ENABLED) &&
  1677. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1678. val |= 0x800000;
  1679. wb_data[0] = val;
  1680. wb_data[1] = 0;
  1681. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1682. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1683. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1684. /* Enable PFC RX & TX & STATS and set 8 COS */
  1685. wb_data[0] = 0x0;
  1686. wb_data[0] |= (1<<0); /* RX */
  1687. wb_data[0] |= (1<<1); /* TX */
  1688. wb_data[0] |= (1<<2); /* Force initial Xon */
  1689. wb_data[0] |= (1<<3); /* 8 cos */
  1690. wb_data[0] |= (1<<5); /* STATS */
  1691. wb_data[1] = 0;
  1692. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1693. wb_data, 2);
  1694. /* Clear the force Xon */
  1695. wb_data[0] &= ~(1<<2);
  1696. } else {
  1697. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1698. /* disable PFC RX & TX & STATS and set 8 COS */
  1699. wb_data[0] = 0x8;
  1700. wb_data[1] = 0;
  1701. }
  1702. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1703. /*
  1704. * Set Time (based unit is 512 bit time) between automatic
  1705. * re-sending of PP packets amd enable automatic re-send of
  1706. * Per-Priroity Packet as long as pp_gen is asserted and
  1707. * pp_disable is low.
  1708. */
  1709. val = 0x8000;
  1710. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1711. val |= (1<<16); /* enable automatic re-send */
  1712. wb_data[0] = val;
  1713. wb_data[1] = 0;
  1714. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1715. wb_data, 2);
  1716. /* mac control */
  1717. val = 0x3; /* Enable RX and TX */
  1718. if (is_lb) {
  1719. val |= 0x4; /* Local loopback */
  1720. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1721. }
  1722. /* When PFC enabled, Pass pause frames towards the NIG. */
  1723. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1724. val |= ((1<<6)|(1<<5));
  1725. wb_data[0] = val;
  1726. wb_data[1] = 0;
  1727. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1728. }
  1729. /* PFC BRB internal port configuration params */
  1730. struct bnx2x_pfc_brb_threshold_val {
  1731. u32 pause_xoff;
  1732. u32 pause_xon;
  1733. u32 full_xoff;
  1734. u32 full_xon;
  1735. };
  1736. struct bnx2x_pfc_brb_e3b0_val {
  1737. u32 full_lb_xoff_th;
  1738. u32 full_lb_xon_threshold;
  1739. u32 lb_guarantied;
  1740. u32 mac_0_class_t_guarantied;
  1741. u32 mac_0_class_t_guarantied_hyst;
  1742. u32 mac_1_class_t_guarantied;
  1743. u32 mac_1_class_t_guarantied_hyst;
  1744. };
  1745. struct bnx2x_pfc_brb_th_val {
  1746. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1747. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1748. };
  1749. static int bnx2x_pfc_brb_get_config_params(
  1750. struct link_params *params,
  1751. struct bnx2x_pfc_brb_th_val *config_val)
  1752. {
  1753. struct bnx2x *bp = params->bp;
  1754. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1755. if (CHIP_IS_E2(bp)) {
  1756. config_val->pauseable_th.pause_xoff =
  1757. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1758. config_val->pauseable_th.pause_xon =
  1759. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1760. config_val->pauseable_th.full_xoff =
  1761. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1762. config_val->pauseable_th.full_xon =
  1763. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1764. /* non pause able*/
  1765. config_val->non_pauseable_th.pause_xoff =
  1766. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1767. config_val->non_pauseable_th.pause_xon =
  1768. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1769. config_val->non_pauseable_th.full_xoff =
  1770. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1771. config_val->non_pauseable_th.full_xon =
  1772. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1773. } else if (CHIP_IS_E3A0(bp)) {
  1774. config_val->pauseable_th.pause_xoff =
  1775. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1776. config_val->pauseable_th.pause_xon =
  1777. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1778. config_val->pauseable_th.full_xoff =
  1779. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1780. config_val->pauseable_th.full_xon =
  1781. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1782. /* non pause able*/
  1783. config_val->non_pauseable_th.pause_xoff =
  1784. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1785. config_val->non_pauseable_th.pause_xon =
  1786. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1787. config_val->non_pauseable_th.full_xoff =
  1788. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1789. config_val->non_pauseable_th.full_xon =
  1790. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1791. } else if (CHIP_IS_E3B0(bp)) {
  1792. if (params->phy[INT_PHY].flags &
  1793. FLAGS_4_PORT_MODE) {
  1794. config_val->pauseable_th.pause_xoff =
  1795. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1796. config_val->pauseable_th.pause_xon =
  1797. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1798. config_val->pauseable_th.full_xoff =
  1799. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1800. config_val->pauseable_th.full_xon =
  1801. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1802. /* non pause able*/
  1803. config_val->non_pauseable_th.pause_xoff =
  1804. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1805. config_val->non_pauseable_th.pause_xon =
  1806. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1807. config_val->non_pauseable_th.full_xoff =
  1808. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1809. config_val->non_pauseable_th.full_xon =
  1810. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1811. } else {
  1812. config_val->pauseable_th.pause_xoff =
  1813. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1814. config_val->pauseable_th.pause_xon =
  1815. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1816. config_val->pauseable_th.full_xoff =
  1817. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1818. config_val->pauseable_th.full_xon =
  1819. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1820. /* non pause able*/
  1821. config_val->non_pauseable_th.pause_xoff =
  1822. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1823. config_val->non_pauseable_th.pause_xon =
  1824. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1825. config_val->non_pauseable_th.full_xoff =
  1826. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1827. config_val->non_pauseable_th.full_xon =
  1828. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1829. }
  1830. } else
  1831. return -EINVAL;
  1832. return 0;
  1833. }
  1834. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1835. struct bnx2x_pfc_brb_e3b0_val
  1836. *e3b0_val,
  1837. u32 cos0_pauseable,
  1838. u32 cos1_pauseable)
  1839. {
  1840. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1841. e3b0_val->full_lb_xoff_th =
  1842. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1843. e3b0_val->full_lb_xon_threshold =
  1844. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1845. e3b0_val->lb_guarantied =
  1846. PFC_E3B0_4P_LB_GUART;
  1847. e3b0_val->mac_0_class_t_guarantied =
  1848. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1849. e3b0_val->mac_0_class_t_guarantied_hyst =
  1850. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1851. e3b0_val->mac_1_class_t_guarantied =
  1852. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1853. e3b0_val->mac_1_class_t_guarantied_hyst =
  1854. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1855. } else {
  1856. e3b0_val->full_lb_xoff_th =
  1857. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1858. e3b0_val->full_lb_xon_threshold =
  1859. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1860. e3b0_val->mac_0_class_t_guarantied_hyst =
  1861. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1862. e3b0_val->mac_1_class_t_guarantied =
  1863. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1864. e3b0_val->mac_1_class_t_guarantied_hyst =
  1865. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1866. if (cos0_pauseable != cos1_pauseable) {
  1867. /* nonpauseable= Lossy + pauseable = Lossless*/
  1868. e3b0_val->lb_guarantied =
  1869. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1870. e3b0_val->mac_0_class_t_guarantied =
  1871. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1872. } else if (cos0_pauseable) {
  1873. /* Lossless +Lossless*/
  1874. e3b0_val->lb_guarantied =
  1875. PFC_E3B0_2P_PAUSE_LB_GUART;
  1876. e3b0_val->mac_0_class_t_guarantied =
  1877. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1878. } else {
  1879. /* Lossy +Lossy*/
  1880. e3b0_val->lb_guarantied =
  1881. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1882. e3b0_val->mac_0_class_t_guarantied =
  1883. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1884. }
  1885. }
  1886. }
  1887. static int bnx2x_update_pfc_brb(struct link_params *params,
  1888. struct link_vars *vars,
  1889. struct bnx2x_nig_brb_pfc_port_params
  1890. *pfc_params)
  1891. {
  1892. struct bnx2x *bp = params->bp;
  1893. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1894. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1895. &config_val.pauseable_th;
  1896. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1897. int set_pfc = params->feature_config_flags &
  1898. FEATURE_CONFIG_PFC_ENABLED;
  1899. int bnx2x_status = 0;
  1900. u8 port = params->port;
  1901. /* default - pause configuration */
  1902. reg_th_config = &config_val.pauseable_th;
  1903. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1904. if (0 != bnx2x_status)
  1905. return bnx2x_status;
  1906. if (set_pfc && pfc_params)
  1907. /* First COS */
  1908. if (!pfc_params->cos0_pauseable)
  1909. reg_th_config = &config_val.non_pauseable_th;
  1910. /*
  1911. * The number of free blocks below which the pause signal to class 0
  1912. * of MAC #n is asserted. n=0,1
  1913. */
  1914. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1915. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1916. reg_th_config->pause_xoff);
  1917. /*
  1918. * The number of free blocks above which the pause signal to class 0
  1919. * of MAC #n is de-asserted. n=0,1
  1920. */
  1921. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1922. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1923. /*
  1924. * The number of free blocks below which the full signal to class 0
  1925. * of MAC #n is asserted. n=0,1
  1926. */
  1927. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1928. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1929. /*
  1930. * The number of free blocks above which the full signal to class 0
  1931. * of MAC #n is de-asserted. n=0,1
  1932. */
  1933. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1934. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1935. if (set_pfc && pfc_params) {
  1936. /* Second COS */
  1937. if (pfc_params->cos1_pauseable)
  1938. reg_th_config = &config_val.pauseable_th;
  1939. else
  1940. reg_th_config = &config_val.non_pauseable_th;
  1941. /*
  1942. * The number of free blocks below which the pause signal to
  1943. * class 1 of MAC #n is asserted. n=0,1
  1944. **/
  1945. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1946. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1947. reg_th_config->pause_xoff);
  1948. /*
  1949. * The number of free blocks above which the pause signal to
  1950. * class 1 of MAC #n is de-asserted. n=0,1
  1951. */
  1952. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1953. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1954. reg_th_config->pause_xon);
  1955. /*
  1956. * The number of free blocks below which the full signal to
  1957. * class 1 of MAC #n is asserted. n=0,1
  1958. */
  1959. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1960. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1961. reg_th_config->full_xoff);
  1962. /*
  1963. * The number of free blocks above which the full signal to
  1964. * class 1 of MAC #n is de-asserted. n=0,1
  1965. */
  1966. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1967. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1968. reg_th_config->full_xon);
  1969. if (CHIP_IS_E3B0(bp)) {
  1970. /*Should be done by init tool */
  1971. /*
  1972. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1973. * reset value
  1974. * 944
  1975. */
  1976. /**
  1977. * The hysteresis on the guarantied buffer space for the Lb port
  1978. * before signaling XON.
  1979. **/
  1980. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1981. bnx2x_pfc_brb_get_e3b0_config_params(
  1982. params,
  1983. &e3b0_val,
  1984. pfc_params->cos0_pauseable,
  1985. pfc_params->cos1_pauseable);
  1986. /**
  1987. * The number of free blocks below which the full signal to the
  1988. * LB port is asserted.
  1989. */
  1990. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1991. e3b0_val.full_lb_xoff_th);
  1992. /**
  1993. * The number of free blocks above which the full signal to the
  1994. * LB port is de-asserted.
  1995. */
  1996. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1997. e3b0_val.full_lb_xon_threshold);
  1998. /**
  1999. * The number of blocks guarantied for the MAC #n port. n=0,1
  2000. */
  2001. /*The number of blocks guarantied for the LB port.*/
  2002. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2003. e3b0_val.lb_guarantied);
  2004. /**
  2005. * The number of blocks guarantied for the MAC #n port.
  2006. */
  2007. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2008. 2 * e3b0_val.mac_0_class_t_guarantied);
  2009. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2010. 2 * e3b0_val.mac_1_class_t_guarantied);
  2011. /**
  2012. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2013. */
  2014. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2015. e3b0_val.mac_0_class_t_guarantied);
  2016. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2017. e3b0_val.mac_0_class_t_guarantied);
  2018. /**
  2019. * The hysteresis on the guarantied buffer space for class in
  2020. * MAC0. t=0,1
  2021. */
  2022. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2023. e3b0_val.mac_0_class_t_guarantied_hyst);
  2024. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2025. e3b0_val.mac_0_class_t_guarantied_hyst);
  2026. /**
  2027. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2028. */
  2029. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2030. e3b0_val.mac_1_class_t_guarantied);
  2031. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2032. e3b0_val.mac_1_class_t_guarantied);
  2033. /**
  2034. * The hysteresis on the guarantied buffer space for class #t
  2035. * in MAC1. t=0,1
  2036. */
  2037. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2038. e3b0_val.mac_1_class_t_guarantied_hyst);
  2039. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2040. e3b0_val.mac_1_class_t_guarantied_hyst);
  2041. }
  2042. }
  2043. return bnx2x_status;
  2044. }
  2045. /******************************************************************************
  2046. * Description:
  2047. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2048. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2049. ******************************************************************************/
  2050. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2051. u8 cos_entry,
  2052. u32 priority_mask, u8 port)
  2053. {
  2054. u32 nig_reg_rx_priority_mask_add = 0;
  2055. switch (cos_entry) {
  2056. case 0:
  2057. nig_reg_rx_priority_mask_add = (port) ?
  2058. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2059. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2060. break;
  2061. case 1:
  2062. nig_reg_rx_priority_mask_add = (port) ?
  2063. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2064. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2065. break;
  2066. case 2:
  2067. nig_reg_rx_priority_mask_add = (port) ?
  2068. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2069. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2070. break;
  2071. case 3:
  2072. if (port)
  2073. return -EINVAL;
  2074. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2075. break;
  2076. case 4:
  2077. if (port)
  2078. return -EINVAL;
  2079. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2080. break;
  2081. case 5:
  2082. if (port)
  2083. return -EINVAL;
  2084. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2085. break;
  2086. }
  2087. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2088. return 0;
  2089. }
  2090. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2091. {
  2092. struct bnx2x *bp = params->bp;
  2093. REG_WR(bp, params->shmem_base +
  2094. offsetof(struct shmem_region,
  2095. port_mb[params->port].link_status), link_status);
  2096. }
  2097. static void bnx2x_update_pfc_nig(struct link_params *params,
  2098. struct link_vars *vars,
  2099. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2100. {
  2101. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2102. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2103. u32 pkt_priority_to_cos = 0;
  2104. struct bnx2x *bp = params->bp;
  2105. u8 port = params->port;
  2106. int set_pfc = params->feature_config_flags &
  2107. FEATURE_CONFIG_PFC_ENABLED;
  2108. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2109. /*
  2110. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2111. * MAC control frames (that are not pause packets)
  2112. * will be forwarded to the XCM.
  2113. */
  2114. xcm_mask = REG_RD(bp,
  2115. port ? NIG_REG_LLH1_XCM_MASK :
  2116. NIG_REG_LLH0_XCM_MASK);
  2117. /*
  2118. * nig params will override non PFC params, since it's possible to
  2119. * do transition from PFC to SAFC
  2120. */
  2121. if (set_pfc) {
  2122. pause_enable = 0;
  2123. llfc_out_en = 0;
  2124. llfc_enable = 0;
  2125. if (CHIP_IS_E3(bp))
  2126. ppp_enable = 0;
  2127. else
  2128. ppp_enable = 1;
  2129. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2130. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2131. xcm0_out_en = 0;
  2132. p0_hwpfc_enable = 1;
  2133. } else {
  2134. if (nig_params) {
  2135. llfc_out_en = nig_params->llfc_out_en;
  2136. llfc_enable = nig_params->llfc_enable;
  2137. pause_enable = nig_params->pause_enable;
  2138. } else /*defaul non PFC mode - PAUSE */
  2139. pause_enable = 1;
  2140. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2141. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2142. xcm0_out_en = 1;
  2143. }
  2144. if (CHIP_IS_E3(bp))
  2145. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2146. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2147. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2148. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2149. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2150. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2151. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2152. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2153. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2154. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2155. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2156. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2157. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2158. /* output enable for RX_XCM # IF */
  2159. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2160. /* HW PFC TX enable */
  2161. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2162. if (nig_params) {
  2163. u8 i = 0;
  2164. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2165. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2166. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2167. nig_params->rx_cos_priority_mask[i], port);
  2168. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2169. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2170. nig_params->llfc_high_priority_classes);
  2171. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2172. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2173. nig_params->llfc_low_priority_classes);
  2174. }
  2175. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2176. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2177. pkt_priority_to_cos);
  2178. }
  2179. int bnx2x_update_pfc(struct link_params *params,
  2180. struct link_vars *vars,
  2181. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2182. {
  2183. /*
  2184. * The PFC and pause are orthogonal to one another, meaning when
  2185. * PFC is enabled, the pause are disabled, and when PFC is
  2186. * disabled, pause are set according to the pause result.
  2187. */
  2188. u32 val;
  2189. struct bnx2x *bp = params->bp;
  2190. int bnx2x_status = 0;
  2191. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2192. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2193. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2194. else
  2195. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2196. bnx2x_update_mng(params, vars->link_status);
  2197. /* update NIG params */
  2198. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2199. /* update BRB params */
  2200. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2201. if (0 != bnx2x_status)
  2202. return bnx2x_status;
  2203. if (!vars->link_up)
  2204. return bnx2x_status;
  2205. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2206. if (CHIP_IS_E3(bp))
  2207. bnx2x_update_pfc_xmac(params, vars, 0);
  2208. else {
  2209. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2210. if ((val &
  2211. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2212. == 0) {
  2213. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2214. bnx2x_emac_enable(params, vars, 0);
  2215. return bnx2x_status;
  2216. }
  2217. if (CHIP_IS_E2(bp))
  2218. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2219. else
  2220. bnx2x_update_pfc_bmac1(params, vars);
  2221. val = 0;
  2222. if ((params->feature_config_flags &
  2223. FEATURE_CONFIG_PFC_ENABLED) ||
  2224. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2225. val = 1;
  2226. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2227. }
  2228. return bnx2x_status;
  2229. }
  2230. static int bnx2x_bmac1_enable(struct link_params *params,
  2231. struct link_vars *vars,
  2232. u8 is_lb)
  2233. {
  2234. struct bnx2x *bp = params->bp;
  2235. u8 port = params->port;
  2236. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2237. NIG_REG_INGRESS_BMAC0_MEM;
  2238. u32 wb_data[2];
  2239. u32 val;
  2240. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2241. /* XGXS control */
  2242. wb_data[0] = 0x3c;
  2243. wb_data[1] = 0;
  2244. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2245. wb_data, 2);
  2246. /* tx MAC SA */
  2247. wb_data[0] = ((params->mac_addr[2] << 24) |
  2248. (params->mac_addr[3] << 16) |
  2249. (params->mac_addr[4] << 8) |
  2250. params->mac_addr[5]);
  2251. wb_data[1] = ((params->mac_addr[0] << 8) |
  2252. params->mac_addr[1]);
  2253. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2254. /* mac control */
  2255. val = 0x3;
  2256. if (is_lb) {
  2257. val |= 0x4;
  2258. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2259. }
  2260. wb_data[0] = val;
  2261. wb_data[1] = 0;
  2262. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2263. /* set rx mtu */
  2264. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2265. wb_data[1] = 0;
  2266. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2267. bnx2x_update_pfc_bmac1(params, vars);
  2268. /* set tx mtu */
  2269. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2270. wb_data[1] = 0;
  2271. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2272. /* set cnt max size */
  2273. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2274. wb_data[1] = 0;
  2275. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2276. /* configure safc */
  2277. wb_data[0] = 0x1000200;
  2278. wb_data[1] = 0;
  2279. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2280. wb_data, 2);
  2281. return 0;
  2282. }
  2283. static int bnx2x_bmac2_enable(struct link_params *params,
  2284. struct link_vars *vars,
  2285. u8 is_lb)
  2286. {
  2287. struct bnx2x *bp = params->bp;
  2288. u8 port = params->port;
  2289. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2290. NIG_REG_INGRESS_BMAC0_MEM;
  2291. u32 wb_data[2];
  2292. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2293. wb_data[0] = 0;
  2294. wb_data[1] = 0;
  2295. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2296. udelay(30);
  2297. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2298. wb_data[0] = 0x3c;
  2299. wb_data[1] = 0;
  2300. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2301. wb_data, 2);
  2302. udelay(30);
  2303. /* tx MAC SA */
  2304. wb_data[0] = ((params->mac_addr[2] << 24) |
  2305. (params->mac_addr[3] << 16) |
  2306. (params->mac_addr[4] << 8) |
  2307. params->mac_addr[5]);
  2308. wb_data[1] = ((params->mac_addr[0] << 8) |
  2309. params->mac_addr[1]);
  2310. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2311. wb_data, 2);
  2312. udelay(30);
  2313. /* Configure SAFC */
  2314. wb_data[0] = 0x1000200;
  2315. wb_data[1] = 0;
  2316. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2317. wb_data, 2);
  2318. udelay(30);
  2319. /* set rx mtu */
  2320. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2321. wb_data[1] = 0;
  2322. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2323. udelay(30);
  2324. /* set tx mtu */
  2325. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2326. wb_data[1] = 0;
  2327. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2328. udelay(30);
  2329. /* set cnt max size */
  2330. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2331. wb_data[1] = 0;
  2332. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2333. udelay(30);
  2334. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2335. return 0;
  2336. }
  2337. static int bnx2x_bmac_enable(struct link_params *params,
  2338. struct link_vars *vars,
  2339. u8 is_lb)
  2340. {
  2341. int rc = 0;
  2342. u8 port = params->port;
  2343. struct bnx2x *bp = params->bp;
  2344. u32 val;
  2345. /* reset and unreset the BigMac */
  2346. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2347. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2348. msleep(1);
  2349. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2350. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2351. /* enable access for bmac registers */
  2352. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2353. /* Enable BMAC according to BMAC type*/
  2354. if (CHIP_IS_E2(bp))
  2355. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2356. else
  2357. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2358. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2359. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2360. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2361. val = 0;
  2362. if ((params->feature_config_flags &
  2363. FEATURE_CONFIG_PFC_ENABLED) ||
  2364. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2365. val = 1;
  2366. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2367. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2369. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2370. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2371. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2372. vars->mac_type = MAC_TYPE_BMAC;
  2373. return rc;
  2374. }
  2375. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2376. {
  2377. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2378. NIG_REG_INGRESS_BMAC0_MEM;
  2379. u32 wb_data[2];
  2380. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2381. /* Only if the bmac is out of reset */
  2382. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2383. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2384. nig_bmac_enable) {
  2385. if (CHIP_IS_E2(bp)) {
  2386. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2387. REG_RD_DMAE(bp, bmac_addr +
  2388. BIGMAC2_REGISTER_BMAC_CONTROL,
  2389. wb_data, 2);
  2390. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2391. REG_WR_DMAE(bp, bmac_addr +
  2392. BIGMAC2_REGISTER_BMAC_CONTROL,
  2393. wb_data, 2);
  2394. } else {
  2395. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2396. REG_RD_DMAE(bp, bmac_addr +
  2397. BIGMAC_REGISTER_BMAC_CONTROL,
  2398. wb_data, 2);
  2399. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2400. REG_WR_DMAE(bp, bmac_addr +
  2401. BIGMAC_REGISTER_BMAC_CONTROL,
  2402. wb_data, 2);
  2403. }
  2404. msleep(1);
  2405. }
  2406. }
  2407. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2408. u32 line_speed)
  2409. {
  2410. struct bnx2x *bp = params->bp;
  2411. u8 port = params->port;
  2412. u32 init_crd, crd;
  2413. u32 count = 1000;
  2414. /* disable port */
  2415. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2416. /* wait for init credit */
  2417. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2418. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2419. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2420. while ((init_crd != crd) && count) {
  2421. msleep(5);
  2422. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2423. count--;
  2424. }
  2425. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2426. if (init_crd != crd) {
  2427. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2428. init_crd, crd);
  2429. return -EINVAL;
  2430. }
  2431. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2432. line_speed == SPEED_10 ||
  2433. line_speed == SPEED_100 ||
  2434. line_speed == SPEED_1000 ||
  2435. line_speed == SPEED_2500) {
  2436. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2437. /* update threshold */
  2438. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2439. /* update init credit */
  2440. init_crd = 778; /* (800-18-4) */
  2441. } else {
  2442. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2443. ETH_OVREHEAD)/16;
  2444. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2445. /* update threshold */
  2446. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2447. /* update init credit */
  2448. switch (line_speed) {
  2449. case SPEED_10000:
  2450. init_crd = thresh + 553 - 22;
  2451. break;
  2452. default:
  2453. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2454. line_speed);
  2455. return -EINVAL;
  2456. }
  2457. }
  2458. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2459. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2460. line_speed, init_crd);
  2461. /* probe the credit changes */
  2462. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2463. msleep(5);
  2464. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2465. /* enable port */
  2466. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2467. return 0;
  2468. }
  2469. /**
  2470. * bnx2x_get_emac_base - retrive emac base address
  2471. *
  2472. * @bp: driver handle
  2473. * @mdc_mdio_access: access type
  2474. * @port: port id
  2475. *
  2476. * This function selects the MDC/MDIO access (through emac0 or
  2477. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2478. * phy has a default access mode, which could also be overridden
  2479. * by nvram configuration. This parameter, whether this is the
  2480. * default phy configuration, or the nvram overrun
  2481. * configuration, is passed here as mdc_mdio_access and selects
  2482. * the emac_base for the CL45 read/writes operations
  2483. */
  2484. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2485. u32 mdc_mdio_access, u8 port)
  2486. {
  2487. u32 emac_base = 0;
  2488. switch (mdc_mdio_access) {
  2489. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2490. break;
  2491. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2492. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2493. emac_base = GRCBASE_EMAC1;
  2494. else
  2495. emac_base = GRCBASE_EMAC0;
  2496. break;
  2497. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2498. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2499. emac_base = GRCBASE_EMAC0;
  2500. else
  2501. emac_base = GRCBASE_EMAC1;
  2502. break;
  2503. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2504. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2505. break;
  2506. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2507. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2508. break;
  2509. default:
  2510. break;
  2511. }
  2512. return emac_base;
  2513. }
  2514. /******************************************************************/
  2515. /* CL22 access functions */
  2516. /******************************************************************/
  2517. static int bnx2x_cl22_write(struct bnx2x *bp,
  2518. struct bnx2x_phy *phy,
  2519. u16 reg, u16 val)
  2520. {
  2521. u32 tmp, mode;
  2522. u8 i;
  2523. int rc = 0;
  2524. /* Switch to CL22 */
  2525. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2526. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2527. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2528. /* address */
  2529. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2530. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2531. EMAC_MDIO_COMM_START_BUSY);
  2532. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2533. for (i = 0; i < 50; i++) {
  2534. udelay(10);
  2535. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2536. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2537. udelay(5);
  2538. break;
  2539. }
  2540. }
  2541. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2542. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2543. rc = -EFAULT;
  2544. }
  2545. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2546. return rc;
  2547. }
  2548. static int bnx2x_cl22_read(struct bnx2x *bp,
  2549. struct bnx2x_phy *phy,
  2550. u16 reg, u16 *ret_val)
  2551. {
  2552. u32 val, mode;
  2553. u16 i;
  2554. int rc = 0;
  2555. /* Switch to CL22 */
  2556. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2557. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2558. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2559. /* address */
  2560. val = ((phy->addr << 21) | (reg << 16) |
  2561. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2562. EMAC_MDIO_COMM_START_BUSY);
  2563. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2564. for (i = 0; i < 50; i++) {
  2565. udelay(10);
  2566. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2567. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2568. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2569. udelay(5);
  2570. break;
  2571. }
  2572. }
  2573. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2574. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2575. *ret_val = 0;
  2576. rc = -EFAULT;
  2577. }
  2578. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2579. return rc;
  2580. }
  2581. /******************************************************************/
  2582. /* CL45 access functions */
  2583. /******************************************************************/
  2584. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2585. u8 devad, u16 reg, u16 *ret_val)
  2586. {
  2587. u32 val;
  2588. u16 i;
  2589. int rc = 0;
  2590. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2591. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2592. EMAC_MDIO_STATUS_10MB);
  2593. /* address */
  2594. val = ((phy->addr << 21) | (devad << 16) | reg |
  2595. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2596. EMAC_MDIO_COMM_START_BUSY);
  2597. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2598. for (i = 0; i < 50; i++) {
  2599. udelay(10);
  2600. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2601. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2602. udelay(5);
  2603. break;
  2604. }
  2605. }
  2606. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2607. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2608. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2609. *ret_val = 0;
  2610. rc = -EFAULT;
  2611. } else {
  2612. /* data */
  2613. val = ((phy->addr << 21) | (devad << 16) |
  2614. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2615. EMAC_MDIO_COMM_START_BUSY);
  2616. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2617. for (i = 0; i < 50; i++) {
  2618. udelay(10);
  2619. val = REG_RD(bp, phy->mdio_ctrl +
  2620. EMAC_REG_EMAC_MDIO_COMM);
  2621. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2622. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2623. break;
  2624. }
  2625. }
  2626. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2627. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2628. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2629. *ret_val = 0;
  2630. rc = -EFAULT;
  2631. }
  2632. }
  2633. /* Work around for E3 A0 */
  2634. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2635. phy->flags ^= FLAGS_DUMMY_READ;
  2636. if (phy->flags & FLAGS_DUMMY_READ) {
  2637. u16 temp_val;
  2638. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2639. }
  2640. }
  2641. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2642. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2643. EMAC_MDIO_STATUS_10MB);
  2644. return rc;
  2645. }
  2646. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2647. u8 devad, u16 reg, u16 val)
  2648. {
  2649. u32 tmp;
  2650. u8 i;
  2651. int rc = 0;
  2652. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2653. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2654. EMAC_MDIO_STATUS_10MB);
  2655. /* address */
  2656. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2657. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2658. EMAC_MDIO_COMM_START_BUSY);
  2659. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2660. for (i = 0; i < 50; i++) {
  2661. udelay(10);
  2662. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2663. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2664. udelay(5);
  2665. break;
  2666. }
  2667. }
  2668. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2669. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2670. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2671. rc = -EFAULT;
  2672. } else {
  2673. /* data */
  2674. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2675. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2676. EMAC_MDIO_COMM_START_BUSY);
  2677. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2678. for (i = 0; i < 50; i++) {
  2679. udelay(10);
  2680. tmp = REG_RD(bp, phy->mdio_ctrl +
  2681. EMAC_REG_EMAC_MDIO_COMM);
  2682. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2683. udelay(5);
  2684. break;
  2685. }
  2686. }
  2687. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2688. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2689. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2690. rc = -EFAULT;
  2691. }
  2692. }
  2693. /* Work around for E3 A0 */
  2694. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2695. phy->flags ^= FLAGS_DUMMY_READ;
  2696. if (phy->flags & FLAGS_DUMMY_READ) {
  2697. u16 temp_val;
  2698. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2699. }
  2700. }
  2701. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2702. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2703. EMAC_MDIO_STATUS_10MB);
  2704. return rc;
  2705. }
  2706. /******************************************************************/
  2707. /* BSC access functions from E3 */
  2708. /******************************************************************/
  2709. static void bnx2x_bsc_module_sel(struct link_params *params)
  2710. {
  2711. int idx;
  2712. u32 board_cfg, sfp_ctrl;
  2713. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2714. struct bnx2x *bp = params->bp;
  2715. u8 port = params->port;
  2716. /* Read I2C output PINs */
  2717. board_cfg = REG_RD(bp, params->shmem_base +
  2718. offsetof(struct shmem_region,
  2719. dev_info.shared_hw_config.board));
  2720. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2721. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2722. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2723. /* Read I2C output value */
  2724. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2725. offsetof(struct shmem_region,
  2726. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2727. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2728. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2729. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2730. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2731. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2732. }
  2733. static int bnx2x_bsc_read(struct link_params *params,
  2734. struct bnx2x_phy *phy,
  2735. u8 sl_devid,
  2736. u16 sl_addr,
  2737. u8 lc_addr,
  2738. u8 xfer_cnt,
  2739. u32 *data_array)
  2740. {
  2741. u32 val, i;
  2742. int rc = 0;
  2743. struct bnx2x *bp = params->bp;
  2744. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2745. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2746. return -EINVAL;
  2747. }
  2748. if (xfer_cnt > 16) {
  2749. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2750. xfer_cnt);
  2751. return -EINVAL;
  2752. }
  2753. bnx2x_bsc_module_sel(params);
  2754. xfer_cnt = 16 - lc_addr;
  2755. /* enable the engine */
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. val |= MCPR_IMC_COMMAND_ENABLE;
  2758. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2759. /* program slave device ID */
  2760. val = (sl_devid << 16) | sl_addr;
  2761. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2762. /* start xfer with 0 byte to update the address pointer ???*/
  2763. val = (MCPR_IMC_COMMAND_ENABLE) |
  2764. (MCPR_IMC_COMMAND_WRITE_OP <<
  2765. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2766. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2767. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2768. /* poll for completion */
  2769. i = 0;
  2770. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2771. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2772. udelay(10);
  2773. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2774. if (i++ > 1000) {
  2775. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2776. i);
  2777. rc = -EFAULT;
  2778. break;
  2779. }
  2780. }
  2781. if (rc == -EFAULT)
  2782. return rc;
  2783. /* start xfer with read op */
  2784. val = (MCPR_IMC_COMMAND_ENABLE) |
  2785. (MCPR_IMC_COMMAND_READ_OP <<
  2786. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2787. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2788. (xfer_cnt);
  2789. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2790. /* poll for completion */
  2791. i = 0;
  2792. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2793. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2794. udelay(10);
  2795. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2796. if (i++ > 1000) {
  2797. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2798. rc = -EFAULT;
  2799. break;
  2800. }
  2801. }
  2802. if (rc == -EFAULT)
  2803. return rc;
  2804. for (i = (lc_addr >> 2); i < 4; i++) {
  2805. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2806. #ifdef __BIG_ENDIAN
  2807. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2808. ((data_array[i] & 0x0000ff00) << 8) |
  2809. ((data_array[i] & 0x00ff0000) >> 8) |
  2810. ((data_array[i] & 0xff000000) >> 24);
  2811. #endif
  2812. }
  2813. return rc;
  2814. }
  2815. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2816. u8 devad, u16 reg, u16 or_val)
  2817. {
  2818. u16 val;
  2819. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2820. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2821. }
  2822. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2823. u8 devad, u16 reg, u16 *ret_val)
  2824. {
  2825. u8 phy_index;
  2826. /*
  2827. * Probe for the phy according to the given phy_addr, and execute
  2828. * the read request on it
  2829. */
  2830. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2831. if (params->phy[phy_index].addr == phy_addr) {
  2832. return bnx2x_cl45_read(params->bp,
  2833. &params->phy[phy_index], devad,
  2834. reg, ret_val);
  2835. }
  2836. }
  2837. return -EINVAL;
  2838. }
  2839. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2840. u8 devad, u16 reg, u16 val)
  2841. {
  2842. u8 phy_index;
  2843. /*
  2844. * Probe for the phy according to the given phy_addr, and execute
  2845. * the write request on it
  2846. */
  2847. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2848. if (params->phy[phy_index].addr == phy_addr) {
  2849. return bnx2x_cl45_write(params->bp,
  2850. &params->phy[phy_index], devad,
  2851. reg, val);
  2852. }
  2853. }
  2854. return -EINVAL;
  2855. }
  2856. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2857. struct link_params *params)
  2858. {
  2859. u8 lane = 0;
  2860. struct bnx2x *bp = params->bp;
  2861. u32 path_swap, path_swap_ovr;
  2862. u8 path, port;
  2863. path = BP_PATH(bp);
  2864. port = params->port;
  2865. if (bnx2x_is_4_port_mode(bp)) {
  2866. u32 port_swap, port_swap_ovr;
  2867. /*figure out path swap value */
  2868. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2869. if (path_swap_ovr & 0x1)
  2870. path_swap = (path_swap_ovr & 0x2);
  2871. else
  2872. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2873. if (path_swap)
  2874. path = path ^ 1;
  2875. /*figure out port swap value */
  2876. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2877. if (port_swap_ovr & 0x1)
  2878. port_swap = (port_swap_ovr & 0x2);
  2879. else
  2880. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2881. if (port_swap)
  2882. port = port ^ 1;
  2883. lane = (port<<1) + path;
  2884. } else { /* two port mode - no port swap */
  2885. /*figure out path swap value */
  2886. path_swap_ovr =
  2887. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2888. if (path_swap_ovr & 0x1) {
  2889. path_swap = (path_swap_ovr & 0x2);
  2890. } else {
  2891. path_swap =
  2892. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2893. }
  2894. if (path_swap)
  2895. path = path ^ 1;
  2896. lane = path << 1 ;
  2897. }
  2898. return lane;
  2899. }
  2900. static void bnx2x_set_aer_mmd(struct link_params *params,
  2901. struct bnx2x_phy *phy)
  2902. {
  2903. u32 ser_lane;
  2904. u16 offset, aer_val;
  2905. struct bnx2x *bp = params->bp;
  2906. ser_lane = ((params->lane_config &
  2907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2908. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2909. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2910. (phy->addr + ser_lane) : 0;
  2911. if (USES_WARPCORE(bp)) {
  2912. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2913. /*
  2914. * In Dual-lane mode, two lanes are joined together,
  2915. * so in order to configure them, the AER broadcast method is
  2916. * used here.
  2917. * 0x200 is the broadcast address for lanes 0,1
  2918. * 0x201 is the broadcast address for lanes 2,3
  2919. */
  2920. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2921. aer_val = (aer_val >> 1) | 0x200;
  2922. } else if (CHIP_IS_E2(bp))
  2923. aer_val = 0x3800 + offset - 1;
  2924. else
  2925. aer_val = 0x3800 + offset;
  2926. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2927. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2928. MDIO_AER_BLOCK_AER_REG, aer_val);
  2929. }
  2930. /******************************************************************/
  2931. /* Internal phy section */
  2932. /******************************************************************/
  2933. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2934. {
  2935. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2936. /* Set Clause 22 */
  2937. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2938. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2939. udelay(500);
  2940. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2941. udelay(500);
  2942. /* Set Clause 45 */
  2943. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2944. }
  2945. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2946. {
  2947. u32 val;
  2948. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2949. val = SERDES_RESET_BITS << (port*16);
  2950. /* reset and unreset the SerDes/XGXS */
  2951. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2952. udelay(500);
  2953. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2954. bnx2x_set_serdes_access(bp, port);
  2955. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2956. DEFAULT_PHY_DEV_ADDR);
  2957. }
  2958. static void bnx2x_xgxs_deassert(struct link_params *params)
  2959. {
  2960. struct bnx2x *bp = params->bp;
  2961. u8 port;
  2962. u32 val;
  2963. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2964. port = params->port;
  2965. val = XGXS_RESET_BITS << (port*16);
  2966. /* reset and unreset the SerDes/XGXS */
  2967. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2968. udelay(500);
  2969. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2970. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2971. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2972. params->phy[INT_PHY].def_md_devad);
  2973. }
  2974. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2975. struct link_params *params, u16 *ieee_fc)
  2976. {
  2977. struct bnx2x *bp = params->bp;
  2978. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2979. /**
  2980. * resolve pause mode and advertisement Please refer to Table
  2981. * 28B-3 of the 802.3ab-1999 spec
  2982. */
  2983. switch (phy->req_flow_ctrl) {
  2984. case BNX2X_FLOW_CTRL_AUTO:
  2985. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2986. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2987. else
  2988. *ieee_fc |=
  2989. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2990. break;
  2991. case BNX2X_FLOW_CTRL_TX:
  2992. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2993. break;
  2994. case BNX2X_FLOW_CTRL_RX:
  2995. case BNX2X_FLOW_CTRL_BOTH:
  2996. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2997. break;
  2998. case BNX2X_FLOW_CTRL_NONE:
  2999. default:
  3000. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3001. break;
  3002. }
  3003. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3004. }
  3005. static void set_phy_vars(struct link_params *params,
  3006. struct link_vars *vars)
  3007. {
  3008. struct bnx2x *bp = params->bp;
  3009. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3010. u8 phy_config_swapped = params->multi_phy_config &
  3011. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3012. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3013. phy_index++) {
  3014. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3015. actual_phy_idx = phy_index;
  3016. if (phy_config_swapped) {
  3017. if (phy_index == EXT_PHY1)
  3018. actual_phy_idx = EXT_PHY2;
  3019. else if (phy_index == EXT_PHY2)
  3020. actual_phy_idx = EXT_PHY1;
  3021. }
  3022. params->phy[actual_phy_idx].req_flow_ctrl =
  3023. params->req_flow_ctrl[link_cfg_idx];
  3024. params->phy[actual_phy_idx].req_line_speed =
  3025. params->req_line_speed[link_cfg_idx];
  3026. params->phy[actual_phy_idx].speed_cap_mask =
  3027. params->speed_cap_mask[link_cfg_idx];
  3028. params->phy[actual_phy_idx].req_duplex =
  3029. params->req_duplex[link_cfg_idx];
  3030. if (params->req_line_speed[link_cfg_idx] ==
  3031. SPEED_AUTO_NEG)
  3032. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3033. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3034. " speed_cap_mask %x\n",
  3035. params->phy[actual_phy_idx].req_flow_ctrl,
  3036. params->phy[actual_phy_idx].req_line_speed,
  3037. params->phy[actual_phy_idx].speed_cap_mask);
  3038. }
  3039. }
  3040. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3041. struct bnx2x_phy *phy,
  3042. struct link_vars *vars)
  3043. {
  3044. u16 val;
  3045. struct bnx2x *bp = params->bp;
  3046. /* read modify write pause advertizing */
  3047. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3048. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3049. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3050. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3051. if ((vars->ieee_fc &
  3052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3053. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3054. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3055. }
  3056. if ((vars->ieee_fc &
  3057. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3058. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3059. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3060. }
  3061. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3062. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3063. }
  3064. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3065. { /* LD LP */
  3066. switch (pause_result) { /* ASYM P ASYM P */
  3067. case 0xb: /* 1 0 1 1 */
  3068. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3069. break;
  3070. case 0xe: /* 1 1 1 0 */
  3071. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3072. break;
  3073. case 0x5: /* 0 1 0 1 */
  3074. case 0x7: /* 0 1 1 1 */
  3075. case 0xd: /* 1 1 0 1 */
  3076. case 0xf: /* 1 1 1 1 */
  3077. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3078. break;
  3079. default:
  3080. break;
  3081. }
  3082. if (pause_result & (1<<0))
  3083. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3084. if (pause_result & (1<<1))
  3085. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3086. }
  3087. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3088. struct link_params *params,
  3089. struct link_vars *vars)
  3090. {
  3091. struct bnx2x *bp = params->bp;
  3092. u16 ld_pause; /* local */
  3093. u16 lp_pause; /* link partner */
  3094. u16 pause_result;
  3095. u8 ret = 0;
  3096. /* read twice */
  3097. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3098. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3099. vars->flow_ctrl = phy->req_flow_ctrl;
  3100. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3101. vars->flow_ctrl = params->req_fc_auto_adv;
  3102. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3103. ret = 1;
  3104. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3105. bnx2x_cl22_read(bp, phy,
  3106. 0x4, &ld_pause);
  3107. bnx2x_cl22_read(bp, phy,
  3108. 0x5, &lp_pause);
  3109. } else {
  3110. bnx2x_cl45_read(bp, phy,
  3111. MDIO_AN_DEVAD,
  3112. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3113. bnx2x_cl45_read(bp, phy,
  3114. MDIO_AN_DEVAD,
  3115. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3116. }
  3117. pause_result = (ld_pause &
  3118. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3119. pause_result |= (lp_pause &
  3120. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3121. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3122. pause_result);
  3123. bnx2x_pause_resolve(vars, pause_result);
  3124. }
  3125. return ret;
  3126. }
  3127. /******************************************************************/
  3128. /* Warpcore section */
  3129. /******************************************************************/
  3130. /* The init_internal_warpcore should mirror the xgxs,
  3131. * i.e. reset the lane (if needed), set aer for the
  3132. * init configuration, and set/clear SGMII flag. Internal
  3133. * phy init is done purely in phy_init stage.
  3134. */
  3135. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3136. struct link_params *params,
  3137. struct link_vars *vars) {
  3138. u16 val16 = 0, lane, bam37 = 0;
  3139. struct bnx2x *bp = params->bp;
  3140. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3141. /* Check adding advertisement for 1G KX */
  3142. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3143. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3144. (vars->line_speed == SPEED_1000)) {
  3145. u16 sd_digital;
  3146. val16 |= (1<<5);
  3147. /* Enable CL37 1G Parallel Detect */
  3148. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3149. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3150. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3151. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3152. (sd_digital | 0x1));
  3153. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3154. }
  3155. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3156. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3157. (vars->line_speed == SPEED_10000)) {
  3158. /* Check adding advertisement for 10G KR */
  3159. val16 |= (1<<7);
  3160. /* Enable 10G Parallel Detect */
  3161. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3162. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3163. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3164. }
  3165. /* Set Transmit PMD settings */
  3166. lane = bnx2x_get_warpcore_lane(phy, params);
  3167. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3168. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3169. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3170. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3171. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3172. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3173. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3174. 0x03f0);
  3175. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3176. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3177. 0x03f0);
  3178. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3179. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3180. 0x383f);
  3181. /* Advertised speeds */
  3182. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3183. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3184. /* Enable CL37 BAM */
  3185. if (REG_RD(bp, params->shmem_base +
  3186. offsetof(struct shmem_region, dev_info.
  3187. port_hw_config[params->port].default_cfg)) &
  3188. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3189. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3190. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3191. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3193. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3194. }
  3195. /* Advertise pause */
  3196. bnx2x_ext_phy_set_pause(params, phy, vars);
  3197. /* Enable Autoneg */
  3198. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3199. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3200. /* Over 1G - AN local device user page 1 */
  3201. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3203. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3204. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3205. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3206. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3207. }
  3208. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3209. struct link_params *params,
  3210. struct link_vars *vars)
  3211. {
  3212. struct bnx2x *bp = params->bp;
  3213. u16 val;
  3214. /* Disable Autoneg */
  3215. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3217. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3218. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3219. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3220. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3221. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3222. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3223. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3224. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3225. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3226. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3227. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3228. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3229. /* Disable CL36 PCS Tx */
  3230. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3232. /* Double Wide Single Data Rate @ pll rate */
  3233. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3234. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3235. /* Leave cl72 training enable, needed for KR */
  3236. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3237. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3238. 0x2);
  3239. /* Leave CL72 enabled */
  3240. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3241. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3242. &val);
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3245. val | 0x3800);
  3246. /* Set speed via PMA/PMD register */
  3247. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3248. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3249. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3250. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3251. /*Enable encoded forced speed */
  3252. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3254. /* Turn TX scramble payload only the 64/66 scrambler */
  3255. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3256. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3257. /* Turn RX scramble payload only the 64/66 scrambler */
  3258. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3259. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3260. /* set and clear loopback to cause a reset to 64/66 decoder */
  3261. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3263. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3265. }
  3266. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3267. struct link_params *params,
  3268. u8 is_xfi)
  3269. {
  3270. struct bnx2x *bp = params->bp;
  3271. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3272. /* Hold rxSeqStart */
  3273. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3274. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3275. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3277. /* Hold tx_fifo_reset */
  3278. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3282. /* Disable CL73 AN */
  3283. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3284. /* Disable 100FX Enable and Auto-Detect */
  3285. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_FX100_CTRL1, &val);
  3287. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3289. /* Disable 100FX Idle detect */
  3290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_FX100_CTRL3, &val);
  3292. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3294. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3295. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3297. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3299. /* Turn off auto-detect & fiber mode */
  3300. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3304. (val & 0xFFEE));
  3305. /* Set filter_force_link, disable_false_link and parallel_detect */
  3306. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3308. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3310. ((val | 0x0006) & 0xFFFE));
  3311. /* Set XFI / SFI */
  3312. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3313. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3314. misc1_val &= ~(0x1f);
  3315. if (is_xfi) {
  3316. misc1_val |= 0x5;
  3317. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3318. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3319. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3320. tx_driver_val =
  3321. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3322. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3323. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3324. } else {
  3325. misc1_val |= 0x9;
  3326. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3327. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3328. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3329. tx_driver_val =
  3330. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3331. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3332. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3333. }
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3336. /* Set Transmit PMD settings */
  3337. lane = bnx2x_get_warpcore_lane(phy, params);
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_TX_FIR_TAP,
  3340. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3343. tx_driver_val);
  3344. /* Enable fiber mode, enable and invert sig_det */
  3345. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3349. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3350. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3352. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3354. /* 10G XFI Full Duplex */
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3357. /* Release tx_fifo_reset */
  3358. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3362. /* Release rxSeqStart */
  3363. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3367. }
  3368. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3369. struct bnx2x_phy *phy)
  3370. {
  3371. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3372. }
  3373. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3374. struct bnx2x_phy *phy,
  3375. u16 lane)
  3376. {
  3377. /* Rx0 anaRxControl1G */
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3380. /* Rx2 anaRxControl1G */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3389. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3390. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3393. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3397. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3399. /* Serdes Digital Misc1 */
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3402. /* Serdes Digital4 Misc3 */
  3403. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3404. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3405. /* Set Transmit PMD settings */
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_TX_FIR_TAP,
  3408. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3409. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3410. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3411. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3414. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3415. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3416. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3417. }
  3418. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3419. struct link_params *params,
  3420. u8 fiber_mode)
  3421. {
  3422. struct bnx2x *bp = params->bp;
  3423. u16 val16, digctrl_kx1, digctrl_kx2;
  3424. u8 lane;
  3425. lane = bnx2x_get_warpcore_lane(phy, params);
  3426. /* Clear XFI clock comp in non-10G single lane mode. */
  3427. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_RX66_CONTROL, &val16);
  3429. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3430. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3431. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3432. /* SGMII Autoneg */
  3433. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3437. val16 | 0x1000);
  3438. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3439. } else {
  3440. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3442. val16 &= 0xcfbf;
  3443. switch (phy->req_line_speed) {
  3444. case SPEED_10:
  3445. break;
  3446. case SPEED_100:
  3447. val16 |= 0x2000;
  3448. break;
  3449. case SPEED_1000:
  3450. val16 |= 0x0040;
  3451. break;
  3452. default:
  3453. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3454. "\n", phy->req_line_speed);
  3455. return;
  3456. }
  3457. if (phy->req_duplex == DUPLEX_FULL)
  3458. val16 |= 0x0100;
  3459. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3461. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3462. phy->req_line_speed);
  3463. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3465. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3466. }
  3467. /* SGMII Slave mode and disable signal detect */
  3468. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3470. if (fiber_mode)
  3471. digctrl_kx1 = 1;
  3472. else
  3473. digctrl_kx1 &= 0xff4a;
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3476. digctrl_kx1);
  3477. /* Turn off parallel detect */
  3478. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3480. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3482. (digctrl_kx2 & ~(1<<2)));
  3483. /* Re-enable parallel detect */
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3486. (digctrl_kx2 | (1<<2)));
  3487. /* Enable autodet */
  3488. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3489. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3490. (digctrl_kx1 | 0x10));
  3491. }
  3492. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3493. struct bnx2x_phy *phy,
  3494. u8 reset)
  3495. {
  3496. u16 val;
  3497. /* Take lane out of reset after configuration is finished */
  3498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3500. if (reset)
  3501. val |= 0xC000;
  3502. else
  3503. val &= 0x3FFF;
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3506. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3507. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3508. }
  3509. /* Clear SFI/XFI link settings registers */
  3510. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3511. struct link_params *params,
  3512. u16 lane)
  3513. {
  3514. struct bnx2x *bp = params->bp;
  3515. u16 val16;
  3516. /* Set XFI clock comp as default. */
  3517. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_RX66_CONTROL, &val16);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3521. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3522. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3523. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3527. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3529. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3531. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3533. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3537. lane = bnx2x_get_warpcore_lane(phy, params);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3546. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3547. }
  3548. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3549. u32 chip_id,
  3550. u32 shmem_base, u8 port,
  3551. u8 *gpio_num, u8 *gpio_port)
  3552. {
  3553. u32 cfg_pin;
  3554. *gpio_num = 0;
  3555. *gpio_port = 0;
  3556. if (CHIP_IS_E3(bp)) {
  3557. cfg_pin = (REG_RD(bp, shmem_base +
  3558. offsetof(struct shmem_region,
  3559. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3560. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3561. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3562. /*
  3563. * Should not happen. This function called upon interrupt
  3564. * triggered by GPIO ( since EPIO can only generate interrupts
  3565. * to MCP).
  3566. * So if this function was called and none of the GPIOs was set,
  3567. * it means the shit hit the fan.
  3568. */
  3569. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3570. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3571. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3572. "module detect indication\n",
  3573. cfg_pin);
  3574. return -EINVAL;
  3575. }
  3576. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3577. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3578. } else {
  3579. *gpio_num = MISC_REGISTERS_GPIO_3;
  3580. *gpio_port = port;
  3581. }
  3582. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3583. return 0;
  3584. }
  3585. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3586. struct link_params *params)
  3587. {
  3588. struct bnx2x *bp = params->bp;
  3589. u8 gpio_num, gpio_port;
  3590. u32 gpio_val;
  3591. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3592. params->shmem_base, params->port,
  3593. &gpio_num, &gpio_port) != 0)
  3594. return 0;
  3595. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3596. /* Call the handling function in case module is detected */
  3597. if (gpio_val == 0)
  3598. return 1;
  3599. else
  3600. return 0;
  3601. }
  3602. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3603. struct link_params *params,
  3604. struct link_vars *vars)
  3605. {
  3606. struct bnx2x *bp = params->bp;
  3607. u32 serdes_net_if;
  3608. u8 fiber_mode;
  3609. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3610. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3611. offsetof(struct shmem_region, dev_info.
  3612. port_hw_config[params->port].default_cfg)) &
  3613. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3614. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3615. "serdes_net_if = 0x%x\n",
  3616. vars->line_speed, serdes_net_if);
  3617. bnx2x_set_aer_mmd(params, phy);
  3618. vars->phy_flags |= PHY_XGXS_FLAG;
  3619. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3620. (phy->req_line_speed &&
  3621. ((phy->req_line_speed == SPEED_100) ||
  3622. (phy->req_line_speed == SPEED_10)))) {
  3623. vars->phy_flags |= PHY_SGMII_FLAG;
  3624. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3625. bnx2x_warpcore_clear_regs(phy, params, lane);
  3626. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3627. } else {
  3628. switch (serdes_net_if) {
  3629. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3630. /* Enable KR Auto Neg */
  3631. if (params->loopback_mode == LOOPBACK_NONE)
  3632. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3633. else {
  3634. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3635. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3636. }
  3637. break;
  3638. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3639. bnx2x_warpcore_clear_regs(phy, params, lane);
  3640. if (vars->line_speed == SPEED_10000) {
  3641. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3642. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3643. } else {
  3644. if (SINGLE_MEDIA_DIRECT(params)) {
  3645. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3646. fiber_mode = 1;
  3647. } else {
  3648. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3649. fiber_mode = 0;
  3650. }
  3651. bnx2x_warpcore_set_sgmii_speed(phy,
  3652. params,
  3653. fiber_mode);
  3654. }
  3655. break;
  3656. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3657. bnx2x_warpcore_clear_regs(phy, params, lane);
  3658. if (vars->line_speed == SPEED_10000) {
  3659. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3660. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3661. } else if (vars->line_speed == SPEED_1000) {
  3662. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3663. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3664. }
  3665. /* Issue Module detection */
  3666. if (bnx2x_is_sfp_module_plugged(phy, params))
  3667. bnx2x_sfp_module_detection(phy, params);
  3668. break;
  3669. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3670. if (vars->line_speed != SPEED_20000) {
  3671. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3672. return;
  3673. }
  3674. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3675. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3676. /* Issue Module detection */
  3677. bnx2x_sfp_module_detection(phy, params);
  3678. break;
  3679. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3680. if (vars->line_speed != SPEED_20000) {
  3681. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3682. return;
  3683. }
  3684. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3685. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3686. break;
  3687. default:
  3688. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3689. "0x%x\n", serdes_net_if);
  3690. return;
  3691. }
  3692. }
  3693. /* Take lane out of reset after configuration is finished */
  3694. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3695. DP(NETIF_MSG_LINK, "Exit config init\n");
  3696. }
  3697. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3698. struct bnx2x_phy *phy,
  3699. u8 tx_en)
  3700. {
  3701. struct bnx2x *bp = params->bp;
  3702. u32 cfg_pin;
  3703. u8 port = params->port;
  3704. cfg_pin = REG_RD(bp, params->shmem_base +
  3705. offsetof(struct shmem_region,
  3706. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3707. PORT_HW_CFG_TX_LASER_MASK;
  3708. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3709. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3710. /* For 20G, the expected pin to be used is 3 pins after the current */
  3711. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3712. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3713. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3714. }
  3715. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3716. struct link_params *params)
  3717. {
  3718. struct bnx2x *bp = params->bp;
  3719. u16 val16;
  3720. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3721. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3722. bnx2x_set_aer_mmd(params, phy);
  3723. /* Global register */
  3724. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3725. /* Clear loopback settings (if any) */
  3726. /* 10G & 20G */
  3727. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3728. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3729. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3730. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3731. 0xBFFF);
  3732. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3733. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3734. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3735. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3736. /* Update those 1-copy registers */
  3737. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3738. MDIO_AER_BLOCK_AER_REG, 0);
  3739. /* Enable 1G MDIO (1-copy) */
  3740. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3741. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3742. &val16);
  3743. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3744. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3745. val16 & ~0x10);
  3746. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3747. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3748. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3749. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3750. val16 & 0xff00);
  3751. }
  3752. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3753. struct link_params *params)
  3754. {
  3755. struct bnx2x *bp = params->bp;
  3756. u16 val16;
  3757. u32 lane;
  3758. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3759. params->loopback_mode, phy->req_line_speed);
  3760. if (phy->req_line_speed < SPEED_10000) {
  3761. /* 10/100/1000 */
  3762. /* Update those 1-copy registers */
  3763. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3764. MDIO_AER_BLOCK_AER_REG, 0);
  3765. /* Enable 1G MDIO (1-copy) */
  3766. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3767. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3768. &val16);
  3769. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3770. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3771. val16 | 0x10);
  3772. /* Set 1G loopback based on lane (1-copy) */
  3773. lane = bnx2x_get_warpcore_lane(phy, params);
  3774. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3775. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3776. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3777. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3778. val16 | (1<<lane));
  3779. /* Switch back to 4-copy registers */
  3780. bnx2x_set_aer_mmd(params, phy);
  3781. /* Global loopback, not recommended. */
  3782. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3783. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3784. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3785. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3786. 0x4000);
  3787. } else {
  3788. /* 10G & 20G */
  3789. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3790. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3791. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3792. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3793. 0x4000);
  3794. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3795. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3796. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3797. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3798. }
  3799. }
  3800. void bnx2x_link_status_update(struct link_params *params,
  3801. struct link_vars *vars)
  3802. {
  3803. struct bnx2x *bp = params->bp;
  3804. u8 link_10g_plus;
  3805. u8 port = params->port;
  3806. u32 sync_offset, media_types;
  3807. /* Update PHY configuration */
  3808. set_phy_vars(params, vars);
  3809. vars->link_status = REG_RD(bp, params->shmem_base +
  3810. offsetof(struct shmem_region,
  3811. port_mb[port].link_status));
  3812. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3813. vars->phy_flags = PHY_XGXS_FLAG;
  3814. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3815. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3816. if (vars->link_up) {
  3817. DP(NETIF_MSG_LINK, "phy link up\n");
  3818. vars->phy_link_up = 1;
  3819. vars->duplex = DUPLEX_FULL;
  3820. switch (vars->link_status &
  3821. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3822. case LINK_10THD:
  3823. vars->duplex = DUPLEX_HALF;
  3824. /* fall thru */
  3825. case LINK_10TFD:
  3826. vars->line_speed = SPEED_10;
  3827. break;
  3828. case LINK_100TXHD:
  3829. vars->duplex = DUPLEX_HALF;
  3830. /* fall thru */
  3831. case LINK_100T4:
  3832. case LINK_100TXFD:
  3833. vars->line_speed = SPEED_100;
  3834. break;
  3835. case LINK_1000THD:
  3836. vars->duplex = DUPLEX_HALF;
  3837. /* fall thru */
  3838. case LINK_1000TFD:
  3839. vars->line_speed = SPEED_1000;
  3840. break;
  3841. case LINK_2500THD:
  3842. vars->duplex = DUPLEX_HALF;
  3843. /* fall thru */
  3844. case LINK_2500TFD:
  3845. vars->line_speed = SPEED_2500;
  3846. break;
  3847. case LINK_10GTFD:
  3848. vars->line_speed = SPEED_10000;
  3849. break;
  3850. case LINK_20GTFD:
  3851. vars->line_speed = SPEED_20000;
  3852. break;
  3853. default:
  3854. break;
  3855. }
  3856. vars->flow_ctrl = 0;
  3857. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3858. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3859. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3860. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3861. if (!vars->flow_ctrl)
  3862. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3863. if (vars->line_speed &&
  3864. ((vars->line_speed == SPEED_10) ||
  3865. (vars->line_speed == SPEED_100))) {
  3866. vars->phy_flags |= PHY_SGMII_FLAG;
  3867. } else {
  3868. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3869. }
  3870. if (vars->line_speed &&
  3871. USES_WARPCORE(bp) &&
  3872. (vars->line_speed == SPEED_1000))
  3873. vars->phy_flags |= PHY_SGMII_FLAG;
  3874. /* anything 10 and over uses the bmac */
  3875. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3876. if (link_10g_plus) {
  3877. if (USES_WARPCORE(bp))
  3878. vars->mac_type = MAC_TYPE_XMAC;
  3879. else
  3880. vars->mac_type = MAC_TYPE_BMAC;
  3881. } else {
  3882. if (USES_WARPCORE(bp))
  3883. vars->mac_type = MAC_TYPE_UMAC;
  3884. else
  3885. vars->mac_type = MAC_TYPE_EMAC;
  3886. }
  3887. } else { /* link down */
  3888. DP(NETIF_MSG_LINK, "phy link down\n");
  3889. vars->phy_link_up = 0;
  3890. vars->line_speed = 0;
  3891. vars->duplex = DUPLEX_FULL;
  3892. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3893. /* indicate no mac active */
  3894. vars->mac_type = MAC_TYPE_NONE;
  3895. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3896. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3897. }
  3898. /* Sync media type */
  3899. sync_offset = params->shmem_base +
  3900. offsetof(struct shmem_region,
  3901. dev_info.port_hw_config[port].media_type);
  3902. media_types = REG_RD(bp, sync_offset);
  3903. params->phy[INT_PHY].media_type =
  3904. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3905. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3906. params->phy[EXT_PHY1].media_type =
  3907. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3908. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3909. params->phy[EXT_PHY2].media_type =
  3910. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3911. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3912. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3913. /* Sync AEU offset */
  3914. sync_offset = params->shmem_base +
  3915. offsetof(struct shmem_region,
  3916. dev_info.port_hw_config[port].aeu_int_mask);
  3917. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3918. /* Sync PFC status */
  3919. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3920. params->feature_config_flags |=
  3921. FEATURE_CONFIG_PFC_ENABLED;
  3922. else
  3923. params->feature_config_flags &=
  3924. ~FEATURE_CONFIG_PFC_ENABLED;
  3925. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3926. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3927. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3928. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3929. }
  3930. static void bnx2x_set_master_ln(struct link_params *params,
  3931. struct bnx2x_phy *phy)
  3932. {
  3933. struct bnx2x *bp = params->bp;
  3934. u16 new_master_ln, ser_lane;
  3935. ser_lane = ((params->lane_config &
  3936. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3937. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3938. /* set the master_ln for AN */
  3939. CL22_RD_OVER_CL45(bp, phy,
  3940. MDIO_REG_BANK_XGXS_BLOCK2,
  3941. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3942. &new_master_ln);
  3943. CL22_WR_OVER_CL45(bp, phy,
  3944. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3945. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3946. (new_master_ln | ser_lane));
  3947. }
  3948. static int bnx2x_reset_unicore(struct link_params *params,
  3949. struct bnx2x_phy *phy,
  3950. u8 set_serdes)
  3951. {
  3952. struct bnx2x *bp = params->bp;
  3953. u16 mii_control;
  3954. u16 i;
  3955. CL22_RD_OVER_CL45(bp, phy,
  3956. MDIO_REG_BANK_COMBO_IEEE0,
  3957. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3958. /* reset the unicore */
  3959. CL22_WR_OVER_CL45(bp, phy,
  3960. MDIO_REG_BANK_COMBO_IEEE0,
  3961. MDIO_COMBO_IEEE0_MII_CONTROL,
  3962. (mii_control |
  3963. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3964. if (set_serdes)
  3965. bnx2x_set_serdes_access(bp, params->port);
  3966. /* wait for the reset to self clear */
  3967. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3968. udelay(5);
  3969. /* the reset erased the previous bank value */
  3970. CL22_RD_OVER_CL45(bp, phy,
  3971. MDIO_REG_BANK_COMBO_IEEE0,
  3972. MDIO_COMBO_IEEE0_MII_CONTROL,
  3973. &mii_control);
  3974. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3975. udelay(5);
  3976. return 0;
  3977. }
  3978. }
  3979. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3980. " Port %d\n",
  3981. params->port);
  3982. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3983. return -EINVAL;
  3984. }
  3985. static void bnx2x_set_swap_lanes(struct link_params *params,
  3986. struct bnx2x_phy *phy)
  3987. {
  3988. struct bnx2x *bp = params->bp;
  3989. /*
  3990. * Each two bits represents a lane number:
  3991. * No swap is 0123 => 0x1b no need to enable the swap
  3992. */
  3993. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3994. ser_lane = ((params->lane_config &
  3995. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3996. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3997. rx_lane_swap = ((params->lane_config &
  3998. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3999. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4000. tx_lane_swap = ((params->lane_config &
  4001. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4002. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4003. if (rx_lane_swap != 0x1b) {
  4004. CL22_WR_OVER_CL45(bp, phy,
  4005. MDIO_REG_BANK_XGXS_BLOCK2,
  4006. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4007. (rx_lane_swap |
  4008. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4009. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4010. } else {
  4011. CL22_WR_OVER_CL45(bp, phy,
  4012. MDIO_REG_BANK_XGXS_BLOCK2,
  4013. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4014. }
  4015. if (tx_lane_swap != 0x1b) {
  4016. CL22_WR_OVER_CL45(bp, phy,
  4017. MDIO_REG_BANK_XGXS_BLOCK2,
  4018. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4019. (tx_lane_swap |
  4020. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4021. } else {
  4022. CL22_WR_OVER_CL45(bp, phy,
  4023. MDIO_REG_BANK_XGXS_BLOCK2,
  4024. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4025. }
  4026. }
  4027. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4028. struct link_params *params)
  4029. {
  4030. struct bnx2x *bp = params->bp;
  4031. u16 control2;
  4032. CL22_RD_OVER_CL45(bp, phy,
  4033. MDIO_REG_BANK_SERDES_DIGITAL,
  4034. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4035. &control2);
  4036. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4037. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4038. else
  4039. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4040. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4041. phy->speed_cap_mask, control2);
  4042. CL22_WR_OVER_CL45(bp, phy,
  4043. MDIO_REG_BANK_SERDES_DIGITAL,
  4044. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4045. control2);
  4046. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4047. (phy->speed_cap_mask &
  4048. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4049. DP(NETIF_MSG_LINK, "XGXS\n");
  4050. CL22_WR_OVER_CL45(bp, phy,
  4051. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4052. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4053. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4054. CL22_RD_OVER_CL45(bp, phy,
  4055. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4056. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4057. &control2);
  4058. control2 |=
  4059. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4060. CL22_WR_OVER_CL45(bp, phy,
  4061. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4062. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4063. control2);
  4064. /* Disable parallel detection of HiG */
  4065. CL22_WR_OVER_CL45(bp, phy,
  4066. MDIO_REG_BANK_XGXS_BLOCK2,
  4067. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4068. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4069. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4070. }
  4071. }
  4072. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4073. struct link_params *params,
  4074. struct link_vars *vars,
  4075. u8 enable_cl73)
  4076. {
  4077. struct bnx2x *bp = params->bp;
  4078. u16 reg_val;
  4079. /* CL37 Autoneg */
  4080. CL22_RD_OVER_CL45(bp, phy,
  4081. MDIO_REG_BANK_COMBO_IEEE0,
  4082. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4083. /* CL37 Autoneg Enabled */
  4084. if (vars->line_speed == SPEED_AUTO_NEG)
  4085. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4086. else /* CL37 Autoneg Disabled */
  4087. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4088. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4089. CL22_WR_OVER_CL45(bp, phy,
  4090. MDIO_REG_BANK_COMBO_IEEE0,
  4091. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4092. /* Enable/Disable Autodetection */
  4093. CL22_RD_OVER_CL45(bp, phy,
  4094. MDIO_REG_BANK_SERDES_DIGITAL,
  4095. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4096. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4097. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4098. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4099. if (vars->line_speed == SPEED_AUTO_NEG)
  4100. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4101. else
  4102. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4103. CL22_WR_OVER_CL45(bp, phy,
  4104. MDIO_REG_BANK_SERDES_DIGITAL,
  4105. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4106. /* Enable TetonII and BAM autoneg */
  4107. CL22_RD_OVER_CL45(bp, phy,
  4108. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4109. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4110. &reg_val);
  4111. if (vars->line_speed == SPEED_AUTO_NEG) {
  4112. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4113. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4114. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4115. } else {
  4116. /* TetonII and BAM Autoneg Disabled */
  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. }
  4120. CL22_WR_OVER_CL45(bp, phy,
  4121. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4122. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4123. reg_val);
  4124. if (enable_cl73) {
  4125. /* Enable Cl73 FSM status bits */
  4126. CL22_WR_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_CL73_USERB0,
  4128. MDIO_CL73_USERB0_CL73_UCTRL,
  4129. 0xe);
  4130. /* Enable BAM Station Manager*/
  4131. CL22_WR_OVER_CL45(bp, phy,
  4132. MDIO_REG_BANK_CL73_USERB0,
  4133. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4134. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4135. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4136. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4137. /* Advertise CL73 link speeds */
  4138. CL22_RD_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_CL73_IEEEB1,
  4140. MDIO_CL73_IEEEB1_AN_ADV2,
  4141. &reg_val);
  4142. if (phy->speed_cap_mask &
  4143. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4144. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4145. if (phy->speed_cap_mask &
  4146. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4147. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4148. CL22_WR_OVER_CL45(bp, phy,
  4149. MDIO_REG_BANK_CL73_IEEEB1,
  4150. MDIO_CL73_IEEEB1_AN_ADV2,
  4151. reg_val);
  4152. /* CL73 Autoneg Enabled */
  4153. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4154. } else /* CL73 Autoneg Disabled */
  4155. reg_val = 0;
  4156. CL22_WR_OVER_CL45(bp, phy,
  4157. MDIO_REG_BANK_CL73_IEEEB0,
  4158. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4159. }
  4160. /* program SerDes, forced speed */
  4161. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4162. struct link_params *params,
  4163. struct link_vars *vars)
  4164. {
  4165. struct bnx2x *bp = params->bp;
  4166. u16 reg_val;
  4167. /* program duplex, disable autoneg and sgmii*/
  4168. CL22_RD_OVER_CL45(bp, phy,
  4169. MDIO_REG_BANK_COMBO_IEEE0,
  4170. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4171. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4172. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4173. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4174. if (phy->req_duplex == DUPLEX_FULL)
  4175. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4176. CL22_WR_OVER_CL45(bp, phy,
  4177. MDIO_REG_BANK_COMBO_IEEE0,
  4178. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4179. /*
  4180. * program speed
  4181. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4182. */
  4183. CL22_RD_OVER_CL45(bp, phy,
  4184. MDIO_REG_BANK_SERDES_DIGITAL,
  4185. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4186. /* clearing the speed value before setting the right speed */
  4187. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4188. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4189. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4190. if (!((vars->line_speed == SPEED_1000) ||
  4191. (vars->line_speed == SPEED_100) ||
  4192. (vars->line_speed == SPEED_10))) {
  4193. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4194. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4195. if (vars->line_speed == SPEED_10000)
  4196. reg_val |=
  4197. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4198. }
  4199. CL22_WR_OVER_CL45(bp, phy,
  4200. MDIO_REG_BANK_SERDES_DIGITAL,
  4201. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4202. }
  4203. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4204. struct link_params *params)
  4205. {
  4206. struct bnx2x *bp = params->bp;
  4207. u16 val = 0;
  4208. /* configure the 48 bits for BAM AN */
  4209. /* set extended capabilities */
  4210. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4211. val |= MDIO_OVER_1G_UP1_2_5G;
  4212. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4213. val |= MDIO_OVER_1G_UP1_10G;
  4214. CL22_WR_OVER_CL45(bp, phy,
  4215. MDIO_REG_BANK_OVER_1G,
  4216. MDIO_OVER_1G_UP1, val);
  4217. CL22_WR_OVER_CL45(bp, phy,
  4218. MDIO_REG_BANK_OVER_1G,
  4219. MDIO_OVER_1G_UP3, 0x400);
  4220. }
  4221. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4222. struct link_params *params,
  4223. u16 ieee_fc)
  4224. {
  4225. struct bnx2x *bp = params->bp;
  4226. u16 val;
  4227. /* for AN, we are always publishing full duplex */
  4228. CL22_WR_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_COMBO_IEEE0,
  4230. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4231. CL22_RD_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_CL73_IEEEB1,
  4233. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4234. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4235. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4236. CL22_WR_OVER_CL45(bp, phy,
  4237. MDIO_REG_BANK_CL73_IEEEB1,
  4238. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4239. }
  4240. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4241. struct link_params *params,
  4242. u8 enable_cl73)
  4243. {
  4244. struct bnx2x *bp = params->bp;
  4245. u16 mii_control;
  4246. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4247. /* Enable and restart BAM/CL37 aneg */
  4248. if (enable_cl73) {
  4249. CL22_RD_OVER_CL45(bp, phy,
  4250. MDIO_REG_BANK_CL73_IEEEB0,
  4251. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4252. &mii_control);
  4253. CL22_WR_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_CL73_IEEEB0,
  4255. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4256. (mii_control |
  4257. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4258. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4259. } else {
  4260. CL22_RD_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_COMBO_IEEE0,
  4262. MDIO_COMBO_IEEE0_MII_CONTROL,
  4263. &mii_control);
  4264. DP(NETIF_MSG_LINK,
  4265. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4266. mii_control);
  4267. CL22_WR_OVER_CL45(bp, phy,
  4268. MDIO_REG_BANK_COMBO_IEEE0,
  4269. MDIO_COMBO_IEEE0_MII_CONTROL,
  4270. (mii_control |
  4271. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4272. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4273. }
  4274. }
  4275. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4276. struct link_params *params,
  4277. struct link_vars *vars)
  4278. {
  4279. struct bnx2x *bp = params->bp;
  4280. u16 control1;
  4281. /* in SGMII mode, the unicore is always slave */
  4282. CL22_RD_OVER_CL45(bp, phy,
  4283. MDIO_REG_BANK_SERDES_DIGITAL,
  4284. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4285. &control1);
  4286. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4287. /* set sgmii mode (and not fiber) */
  4288. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4289. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4290. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_SERDES_DIGITAL,
  4293. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4294. control1);
  4295. /* if forced speed */
  4296. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4297. /* set speed, disable autoneg */
  4298. u16 mii_control;
  4299. CL22_RD_OVER_CL45(bp, phy,
  4300. MDIO_REG_BANK_COMBO_IEEE0,
  4301. MDIO_COMBO_IEEE0_MII_CONTROL,
  4302. &mii_control);
  4303. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4304. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4305. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4306. switch (vars->line_speed) {
  4307. case SPEED_100:
  4308. mii_control |=
  4309. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4310. break;
  4311. case SPEED_1000:
  4312. mii_control |=
  4313. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4314. break;
  4315. case SPEED_10:
  4316. /* there is nothing to set for 10M */
  4317. break;
  4318. default:
  4319. /* invalid speed for SGMII */
  4320. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4321. vars->line_speed);
  4322. break;
  4323. }
  4324. /* setting the full duplex */
  4325. if (phy->req_duplex == DUPLEX_FULL)
  4326. mii_control |=
  4327. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4328. CL22_WR_OVER_CL45(bp, phy,
  4329. MDIO_REG_BANK_COMBO_IEEE0,
  4330. MDIO_COMBO_IEEE0_MII_CONTROL,
  4331. mii_control);
  4332. } else { /* AN mode */
  4333. /* enable and restart AN */
  4334. bnx2x_restart_autoneg(phy, params, 0);
  4335. }
  4336. }
  4337. /*
  4338. * link management
  4339. */
  4340. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4341. struct link_params *params)
  4342. {
  4343. struct bnx2x *bp = params->bp;
  4344. u16 pd_10g, status2_1000x;
  4345. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4346. return 0;
  4347. CL22_RD_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_SERDES_DIGITAL,
  4349. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4350. &status2_1000x);
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_SERDES_DIGITAL,
  4353. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4354. &status2_1000x);
  4355. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4356. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4357. params->port);
  4358. return 1;
  4359. }
  4360. CL22_RD_OVER_CL45(bp, phy,
  4361. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4362. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4363. &pd_10g);
  4364. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4365. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4366. params->port);
  4367. return 1;
  4368. }
  4369. return 0;
  4370. }
  4371. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4372. struct link_params *params,
  4373. struct link_vars *vars,
  4374. u32 gp_status)
  4375. {
  4376. struct bnx2x *bp = params->bp;
  4377. u16 ld_pause; /* local driver */
  4378. u16 lp_pause; /* link partner */
  4379. u16 pause_result;
  4380. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4381. /* resolve from gp_status in case of AN complete and not sgmii */
  4382. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4383. vars->flow_ctrl = phy->req_flow_ctrl;
  4384. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4385. vars->flow_ctrl = params->req_fc_auto_adv;
  4386. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4387. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4388. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4389. vars->flow_ctrl = params->req_fc_auto_adv;
  4390. return;
  4391. }
  4392. if ((gp_status &
  4393. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4394. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4395. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4396. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4397. CL22_RD_OVER_CL45(bp, phy,
  4398. MDIO_REG_BANK_CL73_IEEEB1,
  4399. MDIO_CL73_IEEEB1_AN_ADV1,
  4400. &ld_pause);
  4401. CL22_RD_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_CL73_IEEEB1,
  4403. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4404. &lp_pause);
  4405. pause_result = (ld_pause &
  4406. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4407. >> 8;
  4408. pause_result |= (lp_pause &
  4409. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4410. >> 10;
  4411. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4412. pause_result);
  4413. } else {
  4414. CL22_RD_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_COMBO_IEEE0,
  4416. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4417. &ld_pause);
  4418. CL22_RD_OVER_CL45(bp, phy,
  4419. MDIO_REG_BANK_COMBO_IEEE0,
  4420. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4421. &lp_pause);
  4422. pause_result = (ld_pause &
  4423. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4424. pause_result |= (lp_pause &
  4425. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4426. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4427. pause_result);
  4428. }
  4429. bnx2x_pause_resolve(vars, pause_result);
  4430. }
  4431. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4432. }
  4433. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4434. struct link_params *params)
  4435. {
  4436. struct bnx2x *bp = params->bp;
  4437. u16 rx_status, ustat_val, cl37_fsm_received;
  4438. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4439. /* Step 1: Make sure signal is detected */
  4440. CL22_RD_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_RX0,
  4442. MDIO_RX0_RX_STATUS,
  4443. &rx_status);
  4444. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4445. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4446. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4447. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4448. CL22_WR_OVER_CL45(bp, phy,
  4449. MDIO_REG_BANK_CL73_IEEEB0,
  4450. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4451. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4452. return;
  4453. }
  4454. /* Step 2: Check CL73 state machine */
  4455. CL22_RD_OVER_CL45(bp, phy,
  4456. MDIO_REG_BANK_CL73_USERB0,
  4457. MDIO_CL73_USERB0_CL73_USTAT1,
  4458. &ustat_val);
  4459. if ((ustat_val &
  4460. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4461. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4462. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4463. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4464. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4465. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4466. return;
  4467. }
  4468. /*
  4469. * Step 3: Check CL37 Message Pages received to indicate LP
  4470. * supports only CL37
  4471. */
  4472. CL22_RD_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_REMOTE_PHY,
  4474. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4475. &cl37_fsm_received);
  4476. if ((cl37_fsm_received &
  4477. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4478. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4479. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4480. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4481. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4482. "misc_rx_status(0x8330) = 0x%x\n",
  4483. cl37_fsm_received);
  4484. return;
  4485. }
  4486. /*
  4487. * The combined cl37/cl73 fsm state information indicating that
  4488. * we are connected to a device which does not support cl73, but
  4489. * does support cl37 BAM. In this case we disable cl73 and
  4490. * restart cl37 auto-neg
  4491. */
  4492. /* Disable CL73 */
  4493. CL22_WR_OVER_CL45(bp, phy,
  4494. MDIO_REG_BANK_CL73_IEEEB0,
  4495. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4496. 0);
  4497. /* Restart CL37 autoneg */
  4498. bnx2x_restart_autoneg(phy, params, 0);
  4499. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4500. }
  4501. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4502. struct link_params *params,
  4503. struct link_vars *vars,
  4504. u32 gp_status)
  4505. {
  4506. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4507. vars->link_status |=
  4508. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4509. if (bnx2x_direct_parallel_detect_used(phy, params))
  4510. vars->link_status |=
  4511. LINK_STATUS_PARALLEL_DETECTION_USED;
  4512. }
  4513. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4514. struct link_params *params,
  4515. struct link_vars *vars,
  4516. u16 is_link_up,
  4517. u16 speed_mask,
  4518. u16 is_duplex)
  4519. {
  4520. struct bnx2x *bp = params->bp;
  4521. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4522. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4523. if (is_link_up) {
  4524. DP(NETIF_MSG_LINK, "phy link up\n");
  4525. vars->phy_link_up = 1;
  4526. vars->link_status |= LINK_STATUS_LINK_UP;
  4527. switch (speed_mask) {
  4528. case GP_STATUS_10M:
  4529. vars->line_speed = SPEED_10;
  4530. if (vars->duplex == DUPLEX_FULL)
  4531. vars->link_status |= LINK_10TFD;
  4532. else
  4533. vars->link_status |= LINK_10THD;
  4534. break;
  4535. case GP_STATUS_100M:
  4536. vars->line_speed = SPEED_100;
  4537. if (vars->duplex == DUPLEX_FULL)
  4538. vars->link_status |= LINK_100TXFD;
  4539. else
  4540. vars->link_status |= LINK_100TXHD;
  4541. break;
  4542. case GP_STATUS_1G:
  4543. case GP_STATUS_1G_KX:
  4544. vars->line_speed = SPEED_1000;
  4545. if (vars->duplex == DUPLEX_FULL)
  4546. vars->link_status |= LINK_1000TFD;
  4547. else
  4548. vars->link_status |= LINK_1000THD;
  4549. break;
  4550. case GP_STATUS_2_5G:
  4551. vars->line_speed = SPEED_2500;
  4552. if (vars->duplex == DUPLEX_FULL)
  4553. vars->link_status |= LINK_2500TFD;
  4554. else
  4555. vars->link_status |= LINK_2500THD;
  4556. break;
  4557. case GP_STATUS_5G:
  4558. case GP_STATUS_6G:
  4559. DP(NETIF_MSG_LINK,
  4560. "link speed unsupported gp_status 0x%x\n",
  4561. speed_mask);
  4562. return -EINVAL;
  4563. case GP_STATUS_10G_KX4:
  4564. case GP_STATUS_10G_HIG:
  4565. case GP_STATUS_10G_CX4:
  4566. case GP_STATUS_10G_KR:
  4567. case GP_STATUS_10G_SFI:
  4568. case GP_STATUS_10G_XFI:
  4569. vars->line_speed = SPEED_10000;
  4570. vars->link_status |= LINK_10GTFD;
  4571. break;
  4572. case GP_STATUS_20G_DXGXS:
  4573. vars->line_speed = SPEED_20000;
  4574. vars->link_status |= LINK_20GTFD;
  4575. break;
  4576. default:
  4577. DP(NETIF_MSG_LINK,
  4578. "link speed unsupported gp_status 0x%x\n",
  4579. speed_mask);
  4580. return -EINVAL;
  4581. }
  4582. } else { /* link_down */
  4583. DP(NETIF_MSG_LINK, "phy link down\n");
  4584. vars->phy_link_up = 0;
  4585. vars->duplex = DUPLEX_FULL;
  4586. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4587. vars->mac_type = MAC_TYPE_NONE;
  4588. }
  4589. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4590. vars->phy_link_up, vars->line_speed);
  4591. return 0;
  4592. }
  4593. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4594. struct link_params *params,
  4595. struct link_vars *vars)
  4596. {
  4597. struct bnx2x *bp = params->bp;
  4598. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4599. int rc = 0;
  4600. /* Read gp_status */
  4601. CL22_RD_OVER_CL45(bp, phy,
  4602. MDIO_REG_BANK_GP_STATUS,
  4603. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4604. &gp_status);
  4605. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4606. duplex = DUPLEX_FULL;
  4607. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4608. link_up = 1;
  4609. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4610. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4611. gp_status, link_up, speed_mask);
  4612. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4613. duplex);
  4614. if (rc == -EINVAL)
  4615. return rc;
  4616. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4617. if (SINGLE_MEDIA_DIRECT(params)) {
  4618. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4619. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4620. bnx2x_xgxs_an_resolve(phy, params, vars,
  4621. gp_status);
  4622. }
  4623. } else { /* link_down */
  4624. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4625. SINGLE_MEDIA_DIRECT(params)) {
  4626. /* Check signal is detected */
  4627. bnx2x_check_fallback_to_cl37(phy, params);
  4628. }
  4629. }
  4630. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4631. vars->duplex, vars->flow_ctrl, vars->link_status);
  4632. return rc;
  4633. }
  4634. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4635. struct link_params *params,
  4636. struct link_vars *vars)
  4637. {
  4638. struct bnx2x *bp = params->bp;
  4639. u8 lane;
  4640. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4641. int rc = 0;
  4642. lane = bnx2x_get_warpcore_lane(phy, params);
  4643. /* Read gp_status */
  4644. if (phy->req_line_speed > SPEED_10000) {
  4645. u16 temp_link_up;
  4646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4647. 1, &temp_link_up);
  4648. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4649. 1, &link_up);
  4650. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4651. temp_link_up, link_up);
  4652. link_up &= (1<<2);
  4653. if (link_up)
  4654. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4655. } else {
  4656. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4657. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4658. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4659. /* Check for either KR or generic link up. */
  4660. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4661. ((gp_status1 >> 12) & 0xf);
  4662. link_up = gp_status1 & (1 << lane);
  4663. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4664. u16 pd, gp_status4;
  4665. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4666. /* Check Autoneg complete */
  4667. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4668. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4669. &gp_status4);
  4670. if (gp_status4 & ((1<<12)<<lane))
  4671. vars->link_status |=
  4672. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4673. /* Check parallel detect used */
  4674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4675. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4676. &pd);
  4677. if (pd & (1<<15))
  4678. vars->link_status |=
  4679. LINK_STATUS_PARALLEL_DETECTION_USED;
  4680. }
  4681. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4682. }
  4683. }
  4684. if (lane < 2) {
  4685. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4686. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4687. } else {
  4688. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4689. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4690. }
  4691. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4692. if ((lane & 1) == 0)
  4693. gp_speed <<= 8;
  4694. gp_speed &= 0x3f00;
  4695. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4696. duplex);
  4697. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4698. vars->duplex, vars->flow_ctrl, vars->link_status);
  4699. return rc;
  4700. }
  4701. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4702. {
  4703. struct bnx2x *bp = params->bp;
  4704. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4705. u16 lp_up2;
  4706. u16 tx_driver;
  4707. u16 bank;
  4708. /* read precomp */
  4709. CL22_RD_OVER_CL45(bp, phy,
  4710. MDIO_REG_BANK_OVER_1G,
  4711. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4712. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4713. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4714. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4715. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4716. if (lp_up2 == 0)
  4717. return;
  4718. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4719. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4720. CL22_RD_OVER_CL45(bp, phy,
  4721. bank,
  4722. MDIO_TX0_TX_DRIVER, &tx_driver);
  4723. /* replace tx_driver bits [15:12] */
  4724. if (lp_up2 !=
  4725. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4726. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4727. tx_driver |= lp_up2;
  4728. CL22_WR_OVER_CL45(bp, phy,
  4729. bank,
  4730. MDIO_TX0_TX_DRIVER, tx_driver);
  4731. }
  4732. }
  4733. }
  4734. static int bnx2x_emac_program(struct link_params *params,
  4735. struct link_vars *vars)
  4736. {
  4737. struct bnx2x *bp = params->bp;
  4738. u8 port = params->port;
  4739. u16 mode = 0;
  4740. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4741. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4742. EMAC_REG_EMAC_MODE,
  4743. (EMAC_MODE_25G_MODE |
  4744. EMAC_MODE_PORT_MII_10M |
  4745. EMAC_MODE_HALF_DUPLEX));
  4746. switch (vars->line_speed) {
  4747. case SPEED_10:
  4748. mode |= EMAC_MODE_PORT_MII_10M;
  4749. break;
  4750. case SPEED_100:
  4751. mode |= EMAC_MODE_PORT_MII;
  4752. break;
  4753. case SPEED_1000:
  4754. mode |= EMAC_MODE_PORT_GMII;
  4755. break;
  4756. case SPEED_2500:
  4757. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4758. break;
  4759. default:
  4760. /* 10G not valid for EMAC */
  4761. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4762. vars->line_speed);
  4763. return -EINVAL;
  4764. }
  4765. if (vars->duplex == DUPLEX_HALF)
  4766. mode |= EMAC_MODE_HALF_DUPLEX;
  4767. bnx2x_bits_en(bp,
  4768. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4769. mode);
  4770. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4771. return 0;
  4772. }
  4773. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4774. struct link_params *params)
  4775. {
  4776. u16 bank, i = 0;
  4777. struct bnx2x *bp = params->bp;
  4778. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4779. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4780. CL22_WR_OVER_CL45(bp, phy,
  4781. bank,
  4782. MDIO_RX0_RX_EQ_BOOST,
  4783. phy->rx_preemphasis[i]);
  4784. }
  4785. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4786. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4787. CL22_WR_OVER_CL45(bp, phy,
  4788. bank,
  4789. MDIO_TX0_TX_DRIVER,
  4790. phy->tx_preemphasis[i]);
  4791. }
  4792. }
  4793. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4794. struct link_params *params,
  4795. struct link_vars *vars)
  4796. {
  4797. struct bnx2x *bp = params->bp;
  4798. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4799. (params->loopback_mode == LOOPBACK_XGXS));
  4800. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4801. if (SINGLE_MEDIA_DIRECT(params) &&
  4802. (params->feature_config_flags &
  4803. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4804. bnx2x_set_preemphasis(phy, params);
  4805. /* forced speed requested? */
  4806. if (vars->line_speed != SPEED_AUTO_NEG ||
  4807. (SINGLE_MEDIA_DIRECT(params) &&
  4808. params->loopback_mode == LOOPBACK_EXT)) {
  4809. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4810. /* disable autoneg */
  4811. bnx2x_set_autoneg(phy, params, vars, 0);
  4812. /* program speed and duplex */
  4813. bnx2x_program_serdes(phy, params, vars);
  4814. } else { /* AN_mode */
  4815. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4816. /* AN enabled */
  4817. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4818. /* program duplex & pause advertisement (for aneg) */
  4819. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4820. vars->ieee_fc);
  4821. /* enable autoneg */
  4822. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4823. /* enable and restart AN */
  4824. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4825. }
  4826. } else { /* SGMII mode */
  4827. DP(NETIF_MSG_LINK, "SGMII\n");
  4828. bnx2x_initialize_sgmii_process(phy, params, vars);
  4829. }
  4830. }
  4831. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4832. struct link_params *params,
  4833. struct link_vars *vars)
  4834. {
  4835. int rc;
  4836. vars->phy_flags |= PHY_XGXS_FLAG;
  4837. if ((phy->req_line_speed &&
  4838. ((phy->req_line_speed == SPEED_100) ||
  4839. (phy->req_line_speed == SPEED_10))) ||
  4840. (!phy->req_line_speed &&
  4841. (phy->speed_cap_mask >=
  4842. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4843. (phy->speed_cap_mask <
  4844. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4845. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4846. vars->phy_flags |= PHY_SGMII_FLAG;
  4847. else
  4848. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4849. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4850. bnx2x_set_aer_mmd(params, phy);
  4851. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4852. bnx2x_set_master_ln(params, phy);
  4853. rc = bnx2x_reset_unicore(params, phy, 0);
  4854. /* reset the SerDes and wait for reset bit return low */
  4855. if (rc != 0)
  4856. return rc;
  4857. bnx2x_set_aer_mmd(params, phy);
  4858. /* setting the masterLn_def again after the reset */
  4859. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4860. bnx2x_set_master_ln(params, phy);
  4861. bnx2x_set_swap_lanes(params, phy);
  4862. }
  4863. return rc;
  4864. }
  4865. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4866. struct bnx2x_phy *phy,
  4867. struct link_params *params)
  4868. {
  4869. u16 cnt, ctrl;
  4870. /* Wait for soft reset to get cleared up to 1 sec */
  4871. for (cnt = 0; cnt < 1000; cnt++) {
  4872. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4873. bnx2x_cl22_read(bp, phy,
  4874. MDIO_PMA_REG_CTRL, &ctrl);
  4875. else
  4876. bnx2x_cl45_read(bp, phy,
  4877. MDIO_PMA_DEVAD,
  4878. MDIO_PMA_REG_CTRL, &ctrl);
  4879. if (!(ctrl & (1<<15)))
  4880. break;
  4881. msleep(1);
  4882. }
  4883. if (cnt == 1000)
  4884. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4885. " Port %d\n",
  4886. params->port);
  4887. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4888. return cnt;
  4889. }
  4890. static void bnx2x_link_int_enable(struct link_params *params)
  4891. {
  4892. u8 port = params->port;
  4893. u32 mask;
  4894. struct bnx2x *bp = params->bp;
  4895. /* Setting the status to report on link up for either XGXS or SerDes */
  4896. if (CHIP_IS_E3(bp)) {
  4897. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4898. if (!(SINGLE_MEDIA_DIRECT(params)))
  4899. mask |= NIG_MASK_MI_INT;
  4900. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4901. mask = (NIG_MASK_XGXS0_LINK10G |
  4902. NIG_MASK_XGXS0_LINK_STATUS);
  4903. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4904. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4905. params->phy[INT_PHY].type !=
  4906. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4907. mask |= NIG_MASK_MI_INT;
  4908. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4909. }
  4910. } else { /* SerDes */
  4911. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4912. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4913. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4914. params->phy[INT_PHY].type !=
  4915. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4916. mask |= NIG_MASK_MI_INT;
  4917. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4918. }
  4919. }
  4920. bnx2x_bits_en(bp,
  4921. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4922. mask);
  4923. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4924. (params->switch_cfg == SWITCH_CFG_10G),
  4925. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4926. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4927. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4928. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4929. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4930. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4931. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4932. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4933. }
  4934. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4935. u8 exp_mi_int)
  4936. {
  4937. u32 latch_status = 0;
  4938. /*
  4939. * Disable the MI INT ( external phy int ) by writing 1 to the
  4940. * status register. Link down indication is high-active-signal,
  4941. * so in this case we need to write the status to clear the XOR
  4942. */
  4943. /* Read Latched signals */
  4944. latch_status = REG_RD(bp,
  4945. NIG_REG_LATCH_STATUS_0 + port*8);
  4946. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4947. /* Handle only those with latched-signal=up.*/
  4948. if (exp_mi_int)
  4949. bnx2x_bits_en(bp,
  4950. NIG_REG_STATUS_INTERRUPT_PORT0
  4951. + port*4,
  4952. NIG_STATUS_EMAC0_MI_INT);
  4953. else
  4954. bnx2x_bits_dis(bp,
  4955. NIG_REG_STATUS_INTERRUPT_PORT0
  4956. + port*4,
  4957. NIG_STATUS_EMAC0_MI_INT);
  4958. if (latch_status & 1) {
  4959. /* For all latched-signal=up : Re-Arm Latch signals */
  4960. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4961. (latch_status & 0xfffe) | (latch_status & 1));
  4962. }
  4963. /* For all latched-signal=up,Write original_signal to status */
  4964. }
  4965. static void bnx2x_link_int_ack(struct link_params *params,
  4966. struct link_vars *vars, u8 is_10g_plus)
  4967. {
  4968. struct bnx2x *bp = params->bp;
  4969. u8 port = params->port;
  4970. u32 mask;
  4971. /*
  4972. * First reset all status we assume only one line will be
  4973. * change at a time
  4974. */
  4975. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4976. (NIG_STATUS_XGXS0_LINK10G |
  4977. NIG_STATUS_XGXS0_LINK_STATUS |
  4978. NIG_STATUS_SERDES0_LINK_STATUS));
  4979. if (vars->phy_link_up) {
  4980. if (USES_WARPCORE(bp))
  4981. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4982. else {
  4983. if (is_10g_plus)
  4984. mask = NIG_STATUS_XGXS0_LINK10G;
  4985. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4986. /*
  4987. * Disable the link interrupt by writing 1 to
  4988. * the relevant lane in the status register
  4989. */
  4990. u32 ser_lane =
  4991. ((params->lane_config &
  4992. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4993. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4994. mask = ((1 << ser_lane) <<
  4995. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4996. } else
  4997. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4998. }
  4999. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5000. mask);
  5001. bnx2x_bits_en(bp,
  5002. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5003. mask);
  5004. }
  5005. }
  5006. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5007. {
  5008. u8 *str_ptr = str;
  5009. u32 mask = 0xf0000000;
  5010. u8 shift = 8*4;
  5011. u8 digit;
  5012. u8 remove_leading_zeros = 1;
  5013. if (*len < 10) {
  5014. /* Need more than 10chars for this format */
  5015. *str_ptr = '\0';
  5016. (*len)--;
  5017. return -EINVAL;
  5018. }
  5019. while (shift > 0) {
  5020. shift -= 4;
  5021. digit = ((num & mask) >> shift);
  5022. if (digit == 0 && remove_leading_zeros) {
  5023. mask = mask >> 4;
  5024. continue;
  5025. } else if (digit < 0xa)
  5026. *str_ptr = digit + '0';
  5027. else
  5028. *str_ptr = digit - 0xa + 'a';
  5029. remove_leading_zeros = 0;
  5030. str_ptr++;
  5031. (*len)--;
  5032. mask = mask >> 4;
  5033. if (shift == 4*4) {
  5034. *str_ptr = '.';
  5035. str_ptr++;
  5036. (*len)--;
  5037. remove_leading_zeros = 1;
  5038. }
  5039. }
  5040. return 0;
  5041. }
  5042. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5043. {
  5044. str[0] = '\0';
  5045. (*len)--;
  5046. return 0;
  5047. }
  5048. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5049. u8 *version, u16 len)
  5050. {
  5051. struct bnx2x *bp;
  5052. u32 spirom_ver = 0;
  5053. int status = 0;
  5054. u8 *ver_p = version;
  5055. u16 remain_len = len;
  5056. if (version == NULL || params == NULL)
  5057. return -EINVAL;
  5058. bp = params->bp;
  5059. /* Extract first external phy*/
  5060. version[0] = '\0';
  5061. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5062. if (params->phy[EXT_PHY1].format_fw_ver) {
  5063. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5064. ver_p,
  5065. &remain_len);
  5066. ver_p += (len - remain_len);
  5067. }
  5068. if ((params->num_phys == MAX_PHYS) &&
  5069. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5070. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5071. if (params->phy[EXT_PHY2].format_fw_ver) {
  5072. *ver_p = '/';
  5073. ver_p++;
  5074. remain_len--;
  5075. status |= params->phy[EXT_PHY2].format_fw_ver(
  5076. spirom_ver,
  5077. ver_p,
  5078. &remain_len);
  5079. ver_p = version + (len - remain_len);
  5080. }
  5081. }
  5082. *ver_p = '\0';
  5083. return status;
  5084. }
  5085. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5086. struct link_params *params)
  5087. {
  5088. u8 port = params->port;
  5089. struct bnx2x *bp = params->bp;
  5090. if (phy->req_line_speed != SPEED_1000) {
  5091. u32 md_devad = 0;
  5092. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5093. if (!CHIP_IS_E3(bp)) {
  5094. /* change the uni_phy_addr in the nig */
  5095. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5096. port*0x18));
  5097. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5098. 0x5);
  5099. }
  5100. bnx2x_cl45_write(bp, phy,
  5101. 5,
  5102. (MDIO_REG_BANK_AER_BLOCK +
  5103. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5104. 0x2800);
  5105. bnx2x_cl45_write(bp, phy,
  5106. 5,
  5107. (MDIO_REG_BANK_CL73_IEEEB0 +
  5108. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5109. 0x6041);
  5110. msleep(200);
  5111. /* set aer mmd back */
  5112. bnx2x_set_aer_mmd(params, phy);
  5113. if (!CHIP_IS_E3(bp)) {
  5114. /* and md_devad */
  5115. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5116. md_devad);
  5117. }
  5118. } else {
  5119. u16 mii_ctrl;
  5120. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5121. bnx2x_cl45_read(bp, phy, 5,
  5122. (MDIO_REG_BANK_COMBO_IEEE0 +
  5123. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5124. &mii_ctrl);
  5125. bnx2x_cl45_write(bp, phy, 5,
  5126. (MDIO_REG_BANK_COMBO_IEEE0 +
  5127. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5128. mii_ctrl |
  5129. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5130. }
  5131. }
  5132. int bnx2x_set_led(struct link_params *params,
  5133. struct link_vars *vars, u8 mode, u32 speed)
  5134. {
  5135. u8 port = params->port;
  5136. u16 hw_led_mode = params->hw_led_mode;
  5137. int rc = 0;
  5138. u8 phy_idx;
  5139. u32 tmp;
  5140. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5141. struct bnx2x *bp = params->bp;
  5142. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5143. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5144. speed, hw_led_mode);
  5145. /* In case */
  5146. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5147. if (params->phy[phy_idx].set_link_led) {
  5148. params->phy[phy_idx].set_link_led(
  5149. &params->phy[phy_idx], params, mode);
  5150. }
  5151. }
  5152. switch (mode) {
  5153. case LED_MODE_FRONT_PANEL_OFF:
  5154. case LED_MODE_OFF:
  5155. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5156. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5157. SHARED_HW_CFG_LED_MAC1);
  5158. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5159. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5160. break;
  5161. case LED_MODE_OPER:
  5162. /*
  5163. * For all other phys, OPER mode is same as ON, so in case
  5164. * link is down, do nothing
  5165. */
  5166. if (!vars->link_up)
  5167. break;
  5168. case LED_MODE_ON:
  5169. if (((params->phy[EXT_PHY1].type ==
  5170. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5171. (params->phy[EXT_PHY1].type ==
  5172. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5173. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5174. /*
  5175. * This is a work-around for E2+8727 Configurations
  5176. */
  5177. if (mode == LED_MODE_ON ||
  5178. speed == SPEED_10000){
  5179. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5180. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5181. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5182. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5183. (tmp | EMAC_LED_OVERRIDE));
  5184. /*
  5185. * return here without enabling traffic
  5186. * LED blink andsetting rate in ON mode.
  5187. * In oper mode, enabling LED blink
  5188. * and setting rate is needed.
  5189. */
  5190. if (mode == LED_MODE_ON)
  5191. return rc;
  5192. }
  5193. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5194. /*
  5195. * This is a work-around for HW issue found when link
  5196. * is up in CL73
  5197. */
  5198. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5199. if (CHIP_IS_E1x(bp) ||
  5200. CHIP_IS_E2(bp) ||
  5201. (mode == LED_MODE_ON))
  5202. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5203. else
  5204. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5205. hw_led_mode);
  5206. } else
  5207. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5208. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5209. /* Set blinking rate to ~15.9Hz */
  5210. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5211. LED_BLINK_RATE_VAL);
  5212. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5213. port*4, 1);
  5214. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5215. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5216. if (CHIP_IS_E1(bp) &&
  5217. ((speed == SPEED_2500) ||
  5218. (speed == SPEED_1000) ||
  5219. (speed == SPEED_100) ||
  5220. (speed == SPEED_10))) {
  5221. /*
  5222. * On Everest 1 Ax chip versions for speeds less than
  5223. * 10G LED scheme is different
  5224. */
  5225. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5226. + port*4, 1);
  5227. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5228. port*4, 0);
  5229. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5230. port*4, 1);
  5231. }
  5232. break;
  5233. default:
  5234. rc = -EINVAL;
  5235. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5236. mode);
  5237. break;
  5238. }
  5239. return rc;
  5240. }
  5241. /*
  5242. * This function comes to reflect the actual link state read DIRECTLY from the
  5243. * HW
  5244. */
  5245. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5246. u8 is_serdes)
  5247. {
  5248. struct bnx2x *bp = params->bp;
  5249. u16 gp_status = 0, phy_index = 0;
  5250. u8 ext_phy_link_up = 0, serdes_phy_type;
  5251. struct link_vars temp_vars;
  5252. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5253. if (CHIP_IS_E3(bp)) {
  5254. u16 link_up;
  5255. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5256. > SPEED_10000) {
  5257. /* Check 20G link */
  5258. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5259. 1, &link_up);
  5260. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5261. 1, &link_up);
  5262. link_up &= (1<<2);
  5263. } else {
  5264. /* Check 10G link and below*/
  5265. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5266. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5267. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5268. &gp_status);
  5269. gp_status = ((gp_status >> 8) & 0xf) |
  5270. ((gp_status >> 12) & 0xf);
  5271. link_up = gp_status & (1 << lane);
  5272. }
  5273. if (!link_up)
  5274. return -ESRCH;
  5275. } else {
  5276. CL22_RD_OVER_CL45(bp, int_phy,
  5277. MDIO_REG_BANK_GP_STATUS,
  5278. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5279. &gp_status);
  5280. /* link is up only if both local phy and external phy are up */
  5281. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5282. return -ESRCH;
  5283. }
  5284. /* In XGXS loopback mode, do not check external PHY */
  5285. if (params->loopback_mode == LOOPBACK_XGXS)
  5286. return 0;
  5287. switch (params->num_phys) {
  5288. case 1:
  5289. /* No external PHY */
  5290. return 0;
  5291. case 2:
  5292. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5293. &params->phy[EXT_PHY1],
  5294. params, &temp_vars);
  5295. break;
  5296. case 3: /* Dual Media */
  5297. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5298. phy_index++) {
  5299. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5300. ETH_PHY_SFP_FIBER) ||
  5301. (params->phy[phy_index].media_type ==
  5302. ETH_PHY_XFP_FIBER) ||
  5303. (params->phy[phy_index].media_type ==
  5304. ETH_PHY_DA_TWINAX));
  5305. if (is_serdes != serdes_phy_type)
  5306. continue;
  5307. if (params->phy[phy_index].read_status) {
  5308. ext_phy_link_up |=
  5309. params->phy[phy_index].read_status(
  5310. &params->phy[phy_index],
  5311. params, &temp_vars);
  5312. }
  5313. }
  5314. break;
  5315. }
  5316. if (ext_phy_link_up)
  5317. return 0;
  5318. return -ESRCH;
  5319. }
  5320. static int bnx2x_link_initialize(struct link_params *params,
  5321. struct link_vars *vars)
  5322. {
  5323. int rc = 0;
  5324. u8 phy_index, non_ext_phy;
  5325. struct bnx2x *bp = params->bp;
  5326. /*
  5327. * In case of external phy existence, the line speed would be the
  5328. * line speed linked up by the external phy. In case it is direct
  5329. * only, then the line_speed during initialization will be
  5330. * equal to the req_line_speed
  5331. */
  5332. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5333. /*
  5334. * Initialize the internal phy in case this is a direct board
  5335. * (no external phys), or this board has external phy which requires
  5336. * to first.
  5337. */
  5338. if (!USES_WARPCORE(bp))
  5339. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5340. /* init ext phy and enable link state int */
  5341. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5342. (params->loopback_mode == LOOPBACK_XGXS));
  5343. if (non_ext_phy ||
  5344. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5345. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5346. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5347. if (vars->line_speed == SPEED_AUTO_NEG &&
  5348. (CHIP_IS_E1x(bp) ||
  5349. CHIP_IS_E2(bp)))
  5350. bnx2x_set_parallel_detection(phy, params);
  5351. if (params->phy[INT_PHY].config_init)
  5352. params->phy[INT_PHY].config_init(phy,
  5353. params,
  5354. vars);
  5355. }
  5356. /* Init external phy*/
  5357. if (non_ext_phy) {
  5358. if (params->phy[INT_PHY].supported &
  5359. SUPPORTED_FIBRE)
  5360. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5361. } else {
  5362. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5363. phy_index++) {
  5364. /*
  5365. * No need to initialize second phy in case of first
  5366. * phy only selection. In case of second phy, we do
  5367. * need to initialize the first phy, since they are
  5368. * connected.
  5369. */
  5370. if (params->phy[phy_index].supported &
  5371. SUPPORTED_FIBRE)
  5372. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5373. if (phy_index == EXT_PHY2 &&
  5374. (bnx2x_phy_selection(params) ==
  5375. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5376. DP(NETIF_MSG_LINK, "Not initializing"
  5377. " second phy\n");
  5378. continue;
  5379. }
  5380. params->phy[phy_index].config_init(
  5381. &params->phy[phy_index],
  5382. params, vars);
  5383. }
  5384. }
  5385. /* Reset the interrupt indication after phy was initialized */
  5386. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5387. params->port*4,
  5388. (NIG_STATUS_XGXS0_LINK10G |
  5389. NIG_STATUS_XGXS0_LINK_STATUS |
  5390. NIG_STATUS_SERDES0_LINK_STATUS |
  5391. NIG_MASK_MI_INT));
  5392. bnx2x_update_mng(params, vars->link_status);
  5393. return rc;
  5394. }
  5395. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5396. struct link_params *params)
  5397. {
  5398. /* reset the SerDes/XGXS */
  5399. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5400. (0x1ff << (params->port*16)));
  5401. }
  5402. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5403. struct link_params *params)
  5404. {
  5405. struct bnx2x *bp = params->bp;
  5406. u8 gpio_port;
  5407. /* HW reset */
  5408. if (CHIP_IS_E2(bp))
  5409. gpio_port = BP_PATH(bp);
  5410. else
  5411. gpio_port = params->port;
  5412. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5413. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5414. gpio_port);
  5415. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5416. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5417. gpio_port);
  5418. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5419. }
  5420. static int bnx2x_update_link_down(struct link_params *params,
  5421. struct link_vars *vars)
  5422. {
  5423. struct bnx2x *bp = params->bp;
  5424. u8 port = params->port;
  5425. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5426. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5427. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5428. /* indicate no mac active */
  5429. vars->mac_type = MAC_TYPE_NONE;
  5430. /* update shared memory */
  5431. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5432. LINK_STATUS_LINK_UP |
  5433. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5434. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5435. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5436. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5437. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5438. vars->line_speed = 0;
  5439. bnx2x_update_mng(params, vars->link_status);
  5440. /* activate nig drain */
  5441. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5442. /* disable emac */
  5443. if (!CHIP_IS_E3(bp))
  5444. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5445. msleep(10);
  5446. /* reset BigMac/Xmac */
  5447. if (CHIP_IS_E1x(bp) ||
  5448. CHIP_IS_E2(bp)) {
  5449. bnx2x_bmac_rx_disable(bp, params->port);
  5450. REG_WR(bp, GRCBASE_MISC +
  5451. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5452. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5453. }
  5454. if (CHIP_IS_E3(bp))
  5455. bnx2x_xmac_disable(params);
  5456. return 0;
  5457. }
  5458. static int bnx2x_update_link_up(struct link_params *params,
  5459. struct link_vars *vars,
  5460. u8 link_10g)
  5461. {
  5462. struct bnx2x *bp = params->bp;
  5463. u8 port = params->port;
  5464. int rc = 0;
  5465. vars->link_status |= (LINK_STATUS_LINK_UP |
  5466. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5467. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5468. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5469. vars->link_status |=
  5470. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5471. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5472. vars->link_status |=
  5473. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5474. if (USES_WARPCORE(bp)) {
  5475. if (link_10g) {
  5476. if (bnx2x_xmac_enable(params, vars, 0) ==
  5477. -ESRCH) {
  5478. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5479. vars->link_up = 0;
  5480. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5481. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5482. }
  5483. } else
  5484. bnx2x_umac_enable(params, vars, 0);
  5485. bnx2x_set_led(params, vars,
  5486. LED_MODE_OPER, vars->line_speed);
  5487. }
  5488. if ((CHIP_IS_E1x(bp) ||
  5489. CHIP_IS_E2(bp))) {
  5490. if (link_10g) {
  5491. if (bnx2x_bmac_enable(params, vars, 0) ==
  5492. -ESRCH) {
  5493. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5494. vars->link_up = 0;
  5495. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5496. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5497. }
  5498. bnx2x_set_led(params, vars,
  5499. LED_MODE_OPER, SPEED_10000);
  5500. } else {
  5501. rc = bnx2x_emac_program(params, vars);
  5502. bnx2x_emac_enable(params, vars, 0);
  5503. /* AN complete? */
  5504. if ((vars->link_status &
  5505. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5506. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5507. SINGLE_MEDIA_DIRECT(params))
  5508. bnx2x_set_gmii_tx_driver(params);
  5509. }
  5510. }
  5511. /* PBF - link up */
  5512. if (CHIP_IS_E1x(bp))
  5513. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5514. vars->line_speed);
  5515. /* disable drain */
  5516. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5517. /* update shared memory */
  5518. bnx2x_update_mng(params, vars->link_status);
  5519. msleep(20);
  5520. return rc;
  5521. }
  5522. /*
  5523. * The bnx2x_link_update function should be called upon link
  5524. * interrupt.
  5525. * Link is considered up as follows:
  5526. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5527. * to be up
  5528. * - SINGLE_MEDIA - The link between the 577xx and the external
  5529. * phy (XGXS) need to up as well as the external link of the
  5530. * phy (PHY_EXT1)
  5531. * - DUAL_MEDIA - The link between the 577xx and the first
  5532. * external phy needs to be up, and at least one of the 2
  5533. * external phy link must be up.
  5534. */
  5535. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5536. {
  5537. struct bnx2x *bp = params->bp;
  5538. struct link_vars phy_vars[MAX_PHYS];
  5539. u8 port = params->port;
  5540. u8 link_10g_plus, phy_index;
  5541. u8 ext_phy_link_up = 0, cur_link_up;
  5542. int rc = 0;
  5543. u8 is_mi_int = 0;
  5544. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5545. u8 active_external_phy = INT_PHY;
  5546. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5547. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5548. phy_index++) {
  5549. phy_vars[phy_index].flow_ctrl = 0;
  5550. phy_vars[phy_index].link_status = 0;
  5551. phy_vars[phy_index].line_speed = 0;
  5552. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5553. phy_vars[phy_index].phy_link_up = 0;
  5554. phy_vars[phy_index].link_up = 0;
  5555. phy_vars[phy_index].fault_detected = 0;
  5556. }
  5557. if (USES_WARPCORE(bp))
  5558. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5559. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5560. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5561. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5562. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5563. port*0x18) > 0);
  5564. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5565. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5566. is_mi_int,
  5567. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5568. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5569. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5570. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5571. /* disable emac */
  5572. if (!CHIP_IS_E3(bp))
  5573. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5574. /*
  5575. * Step 1:
  5576. * Check external link change only for external phys, and apply
  5577. * priority selection between them in case the link on both phys
  5578. * is up. Note that instead of the common vars, a temporary
  5579. * vars argument is used since each phy may have different link/
  5580. * speed/duplex result
  5581. */
  5582. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5583. phy_index++) {
  5584. struct bnx2x_phy *phy = &params->phy[phy_index];
  5585. if (!phy->read_status)
  5586. continue;
  5587. /* Read link status and params of this ext phy */
  5588. cur_link_up = phy->read_status(phy, params,
  5589. &phy_vars[phy_index]);
  5590. if (cur_link_up) {
  5591. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5592. phy_index);
  5593. } else {
  5594. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5595. phy_index);
  5596. continue;
  5597. }
  5598. if (!ext_phy_link_up) {
  5599. ext_phy_link_up = 1;
  5600. active_external_phy = phy_index;
  5601. } else {
  5602. switch (bnx2x_phy_selection(params)) {
  5603. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5604. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5605. /*
  5606. * In this option, the first PHY makes sure to pass the
  5607. * traffic through itself only.
  5608. * Its not clear how to reset the link on the second phy
  5609. */
  5610. active_external_phy = EXT_PHY1;
  5611. break;
  5612. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5613. /*
  5614. * In this option, the first PHY makes sure to pass the
  5615. * traffic through the second PHY.
  5616. */
  5617. active_external_phy = EXT_PHY2;
  5618. break;
  5619. default:
  5620. /*
  5621. * Link indication on both PHYs with the following cases
  5622. * is invalid:
  5623. * - FIRST_PHY means that second phy wasn't initialized,
  5624. * hence its link is expected to be down
  5625. * - SECOND_PHY means that first phy should not be able
  5626. * to link up by itself (using configuration)
  5627. * - DEFAULT should be overriden during initialiazation
  5628. */
  5629. DP(NETIF_MSG_LINK, "Invalid link indication"
  5630. "mpc=0x%x. DISABLING LINK !!!\n",
  5631. params->multi_phy_config);
  5632. ext_phy_link_up = 0;
  5633. break;
  5634. }
  5635. }
  5636. }
  5637. prev_line_speed = vars->line_speed;
  5638. /*
  5639. * Step 2:
  5640. * Read the status of the internal phy. In case of
  5641. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5642. * otherwise this is the link between the 577xx and the first
  5643. * external phy
  5644. */
  5645. if (params->phy[INT_PHY].read_status)
  5646. params->phy[INT_PHY].read_status(
  5647. &params->phy[INT_PHY],
  5648. params, vars);
  5649. /*
  5650. * The INT_PHY flow control reside in the vars. This include the
  5651. * case where the speed or flow control are not set to AUTO.
  5652. * Otherwise, the active external phy flow control result is set
  5653. * to the vars. The ext_phy_line_speed is needed to check if the
  5654. * speed is different between the internal phy and external phy.
  5655. * This case may be result of intermediate link speed change.
  5656. */
  5657. if (active_external_phy > INT_PHY) {
  5658. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5659. /*
  5660. * Link speed is taken from the XGXS. AN and FC result from
  5661. * the external phy.
  5662. */
  5663. vars->link_status |= phy_vars[active_external_phy].link_status;
  5664. /*
  5665. * if active_external_phy is first PHY and link is up - disable
  5666. * disable TX on second external PHY
  5667. */
  5668. if (active_external_phy == EXT_PHY1) {
  5669. if (params->phy[EXT_PHY2].phy_specific_func) {
  5670. DP(NETIF_MSG_LINK, "Disabling TX on"
  5671. " EXT_PHY2\n");
  5672. params->phy[EXT_PHY2].phy_specific_func(
  5673. &params->phy[EXT_PHY2],
  5674. params, DISABLE_TX);
  5675. }
  5676. }
  5677. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5678. vars->duplex = phy_vars[active_external_phy].duplex;
  5679. if (params->phy[active_external_phy].supported &
  5680. SUPPORTED_FIBRE)
  5681. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5682. else
  5683. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5684. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5685. active_external_phy);
  5686. }
  5687. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5688. phy_index++) {
  5689. if (params->phy[phy_index].flags &
  5690. FLAGS_REARM_LATCH_SIGNAL) {
  5691. bnx2x_rearm_latch_signal(bp, port,
  5692. phy_index ==
  5693. active_external_phy);
  5694. break;
  5695. }
  5696. }
  5697. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5698. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5699. vars->link_status, ext_phy_line_speed);
  5700. /*
  5701. * Upon link speed change set the NIG into drain mode. Comes to
  5702. * deals with possible FIFO glitch due to clk change when speed
  5703. * is decreased without link down indicator
  5704. */
  5705. if (vars->phy_link_up) {
  5706. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5707. (ext_phy_line_speed != vars->line_speed)) {
  5708. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5709. " different than the external"
  5710. " link speed %d\n", vars->line_speed,
  5711. ext_phy_line_speed);
  5712. vars->phy_link_up = 0;
  5713. } else if (prev_line_speed != vars->line_speed) {
  5714. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5715. 0);
  5716. msleep(1);
  5717. }
  5718. }
  5719. /* anything 10 and over uses the bmac */
  5720. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5721. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5722. /*
  5723. * In case external phy link is up, and internal link is down
  5724. * (not initialized yet probably after link initialization, it
  5725. * needs to be initialized.
  5726. * Note that after link down-up as result of cable plug, the xgxs
  5727. * link would probably become up again without the need
  5728. * initialize it
  5729. */
  5730. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5731. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5732. " init_preceding = %d\n", ext_phy_link_up,
  5733. vars->phy_link_up,
  5734. params->phy[EXT_PHY1].flags &
  5735. FLAGS_INIT_XGXS_FIRST);
  5736. if (!(params->phy[EXT_PHY1].flags &
  5737. FLAGS_INIT_XGXS_FIRST)
  5738. && ext_phy_link_up && !vars->phy_link_up) {
  5739. vars->line_speed = ext_phy_line_speed;
  5740. if (vars->line_speed < SPEED_1000)
  5741. vars->phy_flags |= PHY_SGMII_FLAG;
  5742. else
  5743. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5744. if (params->phy[INT_PHY].config_init)
  5745. params->phy[INT_PHY].config_init(
  5746. &params->phy[INT_PHY], params,
  5747. vars);
  5748. }
  5749. }
  5750. /*
  5751. * Link is up only if both local phy and external phy (in case of
  5752. * non-direct board) are up and no fault detected on active PHY.
  5753. */
  5754. vars->link_up = (vars->phy_link_up &&
  5755. (ext_phy_link_up ||
  5756. SINGLE_MEDIA_DIRECT(params)) &&
  5757. (phy_vars[active_external_phy].fault_detected == 0));
  5758. if (vars->link_up)
  5759. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5760. else
  5761. rc = bnx2x_update_link_down(params, vars);
  5762. return rc;
  5763. }
  5764. /*****************************************************************************/
  5765. /* External Phy section */
  5766. /*****************************************************************************/
  5767. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5768. {
  5769. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5770. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5771. msleep(1);
  5772. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5773. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5774. }
  5775. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5776. u32 spirom_ver, u32 ver_addr)
  5777. {
  5778. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5779. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5780. if (ver_addr)
  5781. REG_WR(bp, ver_addr, spirom_ver);
  5782. }
  5783. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5784. struct bnx2x_phy *phy,
  5785. u8 port)
  5786. {
  5787. u16 fw_ver1, fw_ver2;
  5788. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5789. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5790. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5791. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5792. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5793. phy->ver_addr);
  5794. }
  5795. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5796. struct bnx2x_phy *phy,
  5797. struct link_vars *vars)
  5798. {
  5799. u16 val;
  5800. bnx2x_cl45_read(bp, phy,
  5801. MDIO_AN_DEVAD,
  5802. MDIO_AN_REG_STATUS, &val);
  5803. bnx2x_cl45_read(bp, phy,
  5804. MDIO_AN_DEVAD,
  5805. MDIO_AN_REG_STATUS, &val);
  5806. if (val & (1<<5))
  5807. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5808. if ((val & (1<<0)) == 0)
  5809. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5810. }
  5811. /******************************************************************/
  5812. /* common BCM8073/BCM8727 PHY SECTION */
  5813. /******************************************************************/
  5814. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5815. struct link_params *params,
  5816. struct link_vars *vars)
  5817. {
  5818. struct bnx2x *bp = params->bp;
  5819. if (phy->req_line_speed == SPEED_10 ||
  5820. phy->req_line_speed == SPEED_100) {
  5821. vars->flow_ctrl = phy->req_flow_ctrl;
  5822. return;
  5823. }
  5824. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5825. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5826. u16 pause_result;
  5827. u16 ld_pause; /* local */
  5828. u16 lp_pause; /* link partner */
  5829. bnx2x_cl45_read(bp, phy,
  5830. MDIO_AN_DEVAD,
  5831. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5832. bnx2x_cl45_read(bp, phy,
  5833. MDIO_AN_DEVAD,
  5834. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5835. pause_result = (ld_pause &
  5836. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5837. pause_result |= (lp_pause &
  5838. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5839. bnx2x_pause_resolve(vars, pause_result);
  5840. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5841. pause_result);
  5842. }
  5843. }
  5844. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5845. struct bnx2x_phy *phy,
  5846. u8 port)
  5847. {
  5848. u32 count = 0;
  5849. u16 fw_ver1, fw_msgout;
  5850. int rc = 0;
  5851. /* Boot port from external ROM */
  5852. /* EDC grst */
  5853. bnx2x_cl45_write(bp, phy,
  5854. MDIO_PMA_DEVAD,
  5855. MDIO_PMA_REG_GEN_CTRL,
  5856. 0x0001);
  5857. /* ucode reboot and rst */
  5858. bnx2x_cl45_write(bp, phy,
  5859. MDIO_PMA_DEVAD,
  5860. MDIO_PMA_REG_GEN_CTRL,
  5861. 0x008c);
  5862. bnx2x_cl45_write(bp, phy,
  5863. MDIO_PMA_DEVAD,
  5864. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5865. /* Reset internal microprocessor */
  5866. bnx2x_cl45_write(bp, phy,
  5867. MDIO_PMA_DEVAD,
  5868. MDIO_PMA_REG_GEN_CTRL,
  5869. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5870. /* Release srst bit */
  5871. bnx2x_cl45_write(bp, phy,
  5872. MDIO_PMA_DEVAD,
  5873. MDIO_PMA_REG_GEN_CTRL,
  5874. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5875. /* Delay 100ms per the PHY specifications */
  5876. msleep(100);
  5877. /* 8073 sometimes taking longer to download */
  5878. do {
  5879. count++;
  5880. if (count > 300) {
  5881. DP(NETIF_MSG_LINK,
  5882. "bnx2x_8073_8727_external_rom_boot port %x:"
  5883. "Download failed. fw version = 0x%x\n",
  5884. port, fw_ver1);
  5885. rc = -EINVAL;
  5886. break;
  5887. }
  5888. bnx2x_cl45_read(bp, phy,
  5889. MDIO_PMA_DEVAD,
  5890. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5891. bnx2x_cl45_read(bp, phy,
  5892. MDIO_PMA_DEVAD,
  5893. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5894. msleep(1);
  5895. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5896. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5897. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5898. /* Clear ser_boot_ctl bit */
  5899. bnx2x_cl45_write(bp, phy,
  5900. MDIO_PMA_DEVAD,
  5901. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5902. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5903. DP(NETIF_MSG_LINK,
  5904. "bnx2x_8073_8727_external_rom_boot port %x:"
  5905. "Download complete. fw version = 0x%x\n",
  5906. port, fw_ver1);
  5907. return rc;
  5908. }
  5909. /******************************************************************/
  5910. /* BCM8073 PHY SECTION */
  5911. /******************************************************************/
  5912. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5913. {
  5914. /* This is only required for 8073A1, version 102 only */
  5915. u16 val;
  5916. /* Read 8073 HW revision*/
  5917. bnx2x_cl45_read(bp, phy,
  5918. MDIO_PMA_DEVAD,
  5919. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5920. if (val != 1) {
  5921. /* No need to workaround in 8073 A1 */
  5922. return 0;
  5923. }
  5924. bnx2x_cl45_read(bp, phy,
  5925. MDIO_PMA_DEVAD,
  5926. MDIO_PMA_REG_ROM_VER2, &val);
  5927. /* SNR should be applied only for version 0x102 */
  5928. if (val != 0x102)
  5929. return 0;
  5930. return 1;
  5931. }
  5932. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5933. {
  5934. u16 val, cnt, cnt1 ;
  5935. bnx2x_cl45_read(bp, phy,
  5936. MDIO_PMA_DEVAD,
  5937. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5938. if (val > 0) {
  5939. /* No need to workaround in 8073 A1 */
  5940. return 0;
  5941. }
  5942. /* XAUI workaround in 8073 A0: */
  5943. /*
  5944. * After loading the boot ROM and restarting Autoneg, poll
  5945. * Dev1, Reg $C820:
  5946. */
  5947. for (cnt = 0; cnt < 1000; cnt++) {
  5948. bnx2x_cl45_read(bp, phy,
  5949. MDIO_PMA_DEVAD,
  5950. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5951. &val);
  5952. /*
  5953. * If bit [14] = 0 or bit [13] = 0, continue on with
  5954. * system initialization (XAUI work-around not required, as
  5955. * these bits indicate 2.5G or 1G link up).
  5956. */
  5957. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5958. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5959. return 0;
  5960. } else if (!(val & (1<<15))) {
  5961. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5962. /*
  5963. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5964. * MSB (bit15) goes to 1 (indicating that the XAUI
  5965. * workaround has completed), then continue on with
  5966. * system initialization.
  5967. */
  5968. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5969. bnx2x_cl45_read(bp, phy,
  5970. MDIO_PMA_DEVAD,
  5971. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5972. if (val & (1<<15)) {
  5973. DP(NETIF_MSG_LINK,
  5974. "XAUI workaround has completed\n");
  5975. return 0;
  5976. }
  5977. msleep(3);
  5978. }
  5979. break;
  5980. }
  5981. msleep(3);
  5982. }
  5983. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5984. return -EINVAL;
  5985. }
  5986. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5987. {
  5988. /* Force KR or KX */
  5989. bnx2x_cl45_write(bp, phy,
  5990. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5991. bnx2x_cl45_write(bp, phy,
  5992. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5993. bnx2x_cl45_write(bp, phy,
  5994. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5995. bnx2x_cl45_write(bp, phy,
  5996. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5997. }
  5998. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5999. struct bnx2x_phy *phy,
  6000. struct link_vars *vars)
  6001. {
  6002. u16 cl37_val;
  6003. struct bnx2x *bp = params->bp;
  6004. bnx2x_cl45_read(bp, phy,
  6005. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6006. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6007. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6008. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6009. if ((vars->ieee_fc &
  6010. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6011. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6012. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6013. }
  6014. if ((vars->ieee_fc &
  6015. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6016. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6017. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6018. }
  6019. if ((vars->ieee_fc &
  6020. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6021. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6022. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6023. }
  6024. DP(NETIF_MSG_LINK,
  6025. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6026. bnx2x_cl45_write(bp, phy,
  6027. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6028. msleep(500);
  6029. }
  6030. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6031. struct link_params *params,
  6032. struct link_vars *vars)
  6033. {
  6034. struct bnx2x *bp = params->bp;
  6035. u16 val = 0, tmp1;
  6036. u8 gpio_port;
  6037. DP(NETIF_MSG_LINK, "Init 8073\n");
  6038. if (CHIP_IS_E2(bp))
  6039. gpio_port = BP_PATH(bp);
  6040. else
  6041. gpio_port = params->port;
  6042. /* Restore normal power mode*/
  6043. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6044. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6045. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6046. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6047. /* enable LASI */
  6048. bnx2x_cl45_write(bp, phy,
  6049. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6050. bnx2x_cl45_write(bp, phy,
  6051. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6052. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6053. bnx2x_cl45_read(bp, phy,
  6054. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6055. bnx2x_cl45_read(bp, phy,
  6056. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6057. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6058. /* Swap polarity if required - Must be done only in non-1G mode */
  6059. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6060. /* Configure the 8073 to swap _P and _N of the KR lines */
  6061. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6062. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6063. bnx2x_cl45_read(bp, phy,
  6064. MDIO_PMA_DEVAD,
  6065. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6066. bnx2x_cl45_write(bp, phy,
  6067. MDIO_PMA_DEVAD,
  6068. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6069. (val | (3<<9)));
  6070. }
  6071. /* Enable CL37 BAM */
  6072. if (REG_RD(bp, params->shmem_base +
  6073. offsetof(struct shmem_region, dev_info.
  6074. port_hw_config[params->port].default_cfg)) &
  6075. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6076. bnx2x_cl45_read(bp, phy,
  6077. MDIO_AN_DEVAD,
  6078. MDIO_AN_REG_8073_BAM, &val);
  6079. bnx2x_cl45_write(bp, phy,
  6080. MDIO_AN_DEVAD,
  6081. MDIO_AN_REG_8073_BAM, val | 1);
  6082. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6083. }
  6084. if (params->loopback_mode == LOOPBACK_EXT) {
  6085. bnx2x_807x_force_10G(bp, phy);
  6086. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6087. return 0;
  6088. } else {
  6089. bnx2x_cl45_write(bp, phy,
  6090. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6091. }
  6092. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6093. if (phy->req_line_speed == SPEED_10000) {
  6094. val = (1<<7);
  6095. } else if (phy->req_line_speed == SPEED_2500) {
  6096. val = (1<<5);
  6097. /*
  6098. * Note that 2.5G works only when used with 1G
  6099. * advertisement
  6100. */
  6101. } else
  6102. val = (1<<5);
  6103. } else {
  6104. val = 0;
  6105. if (phy->speed_cap_mask &
  6106. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6107. val |= (1<<7);
  6108. /* Note that 2.5G works only when used with 1G advertisement */
  6109. if (phy->speed_cap_mask &
  6110. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6111. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6112. val |= (1<<5);
  6113. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6114. }
  6115. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6116. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6117. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6118. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6119. (phy->req_line_speed == SPEED_2500)) {
  6120. u16 phy_ver;
  6121. /* Allow 2.5G for A1 and above */
  6122. bnx2x_cl45_read(bp, phy,
  6123. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6124. &phy_ver);
  6125. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6126. if (phy_ver > 0)
  6127. tmp1 |= 1;
  6128. else
  6129. tmp1 &= 0xfffe;
  6130. } else {
  6131. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6132. tmp1 &= 0xfffe;
  6133. }
  6134. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6135. /* Add support for CL37 (passive mode) II */
  6136. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6137. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6138. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6139. 0x20 : 0x40)));
  6140. /* Add support for CL37 (passive mode) III */
  6141. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6142. /*
  6143. * The SNR will improve about 2db by changing BW and FEE main
  6144. * tap. Rest commands are executed after link is up
  6145. * Change FFE main cursor to 5 in EDC register
  6146. */
  6147. if (bnx2x_8073_is_snr_needed(bp, phy))
  6148. bnx2x_cl45_write(bp, phy,
  6149. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6150. 0xFB0C);
  6151. /* Enable FEC (Forware Error Correction) Request in the AN */
  6152. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6153. tmp1 |= (1<<15);
  6154. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6155. bnx2x_ext_phy_set_pause(params, phy, vars);
  6156. /* Restart autoneg */
  6157. msleep(500);
  6158. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6159. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6160. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6161. return 0;
  6162. }
  6163. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6164. struct link_params *params,
  6165. struct link_vars *vars)
  6166. {
  6167. struct bnx2x *bp = params->bp;
  6168. u8 link_up = 0;
  6169. u16 val1, val2;
  6170. u16 link_status = 0;
  6171. u16 an1000_status = 0;
  6172. bnx2x_cl45_read(bp, phy,
  6173. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6174. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6175. /* clear the interrupt LASI status register */
  6176. bnx2x_cl45_read(bp, phy,
  6177. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6178. bnx2x_cl45_read(bp, phy,
  6179. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6180. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6181. /* Clear MSG-OUT */
  6182. bnx2x_cl45_read(bp, phy,
  6183. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6184. /* Check the LASI */
  6185. bnx2x_cl45_read(bp, phy,
  6186. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6187. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6188. /* Check the link status */
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6191. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6192. bnx2x_cl45_read(bp, phy,
  6193. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6194. bnx2x_cl45_read(bp, phy,
  6195. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6196. link_up = ((val1 & 4) == 4);
  6197. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6198. if (link_up &&
  6199. ((phy->req_line_speed != SPEED_10000))) {
  6200. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6201. return 0;
  6202. }
  6203. bnx2x_cl45_read(bp, phy,
  6204. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6205. bnx2x_cl45_read(bp, phy,
  6206. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6207. /* Check the link status on 1.1.2 */
  6208. bnx2x_cl45_read(bp, phy,
  6209. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6210. bnx2x_cl45_read(bp, phy,
  6211. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6212. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6213. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6214. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6215. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6216. /*
  6217. * The SNR will improve about 2dbby changing the BW and FEE main
  6218. * tap. The 1st write to change FFE main tap is set before
  6219. * restart AN. Change PLL Bandwidth in EDC register
  6220. */
  6221. bnx2x_cl45_write(bp, phy,
  6222. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6223. 0x26BC);
  6224. /* Change CDR Bandwidth in EDC register */
  6225. bnx2x_cl45_write(bp, phy,
  6226. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6227. 0x0333);
  6228. }
  6229. bnx2x_cl45_read(bp, phy,
  6230. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6231. &link_status);
  6232. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6233. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6234. link_up = 1;
  6235. vars->line_speed = SPEED_10000;
  6236. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6237. params->port);
  6238. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6239. link_up = 1;
  6240. vars->line_speed = SPEED_2500;
  6241. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6242. params->port);
  6243. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6244. link_up = 1;
  6245. vars->line_speed = SPEED_1000;
  6246. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6247. params->port);
  6248. } else {
  6249. link_up = 0;
  6250. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6251. params->port);
  6252. }
  6253. if (link_up) {
  6254. /* Swap polarity if required */
  6255. if (params->lane_config &
  6256. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6257. /* Configure the 8073 to swap P and N of the KR lines */
  6258. bnx2x_cl45_read(bp, phy,
  6259. MDIO_XS_DEVAD,
  6260. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6261. /*
  6262. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6263. * when it`s in 10G mode.
  6264. */
  6265. if (vars->line_speed == SPEED_1000) {
  6266. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6267. "the 8073\n");
  6268. val1 |= (1<<3);
  6269. } else
  6270. val1 &= ~(1<<3);
  6271. bnx2x_cl45_write(bp, phy,
  6272. MDIO_XS_DEVAD,
  6273. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6274. val1);
  6275. }
  6276. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6277. bnx2x_8073_resolve_fc(phy, params, vars);
  6278. vars->duplex = DUPLEX_FULL;
  6279. }
  6280. return link_up;
  6281. }
  6282. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6283. struct link_params *params)
  6284. {
  6285. struct bnx2x *bp = params->bp;
  6286. u8 gpio_port;
  6287. if (CHIP_IS_E2(bp))
  6288. gpio_port = BP_PATH(bp);
  6289. else
  6290. gpio_port = params->port;
  6291. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6292. gpio_port);
  6293. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6294. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6295. gpio_port);
  6296. }
  6297. /******************************************************************/
  6298. /* BCM8705 PHY SECTION */
  6299. /******************************************************************/
  6300. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6301. struct link_params *params,
  6302. struct link_vars *vars)
  6303. {
  6304. struct bnx2x *bp = params->bp;
  6305. DP(NETIF_MSG_LINK, "init 8705\n");
  6306. /* Restore normal power mode*/
  6307. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6308. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6309. /* HW reset */
  6310. bnx2x_ext_phy_hw_reset(bp, params->port);
  6311. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6312. bnx2x_wait_reset_complete(bp, phy, params);
  6313. bnx2x_cl45_write(bp, phy,
  6314. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6315. bnx2x_cl45_write(bp, phy,
  6316. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6317. bnx2x_cl45_write(bp, phy,
  6318. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6319. bnx2x_cl45_write(bp, phy,
  6320. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6321. /* BCM8705 doesn't have microcode, hence the 0 */
  6322. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6323. return 0;
  6324. }
  6325. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6326. struct link_params *params,
  6327. struct link_vars *vars)
  6328. {
  6329. u8 link_up = 0;
  6330. u16 val1, rx_sd;
  6331. struct bnx2x *bp = params->bp;
  6332. DP(NETIF_MSG_LINK, "read status 8705\n");
  6333. bnx2x_cl45_read(bp, phy,
  6334. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6335. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6336. bnx2x_cl45_read(bp, phy,
  6337. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6338. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6339. bnx2x_cl45_read(bp, phy,
  6340. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6341. bnx2x_cl45_read(bp, phy,
  6342. MDIO_PMA_DEVAD, 0xc809, &val1);
  6343. bnx2x_cl45_read(bp, phy,
  6344. MDIO_PMA_DEVAD, 0xc809, &val1);
  6345. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6346. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6347. if (link_up) {
  6348. vars->line_speed = SPEED_10000;
  6349. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6350. }
  6351. return link_up;
  6352. }
  6353. /******************************************************************/
  6354. /* SFP+ module Section */
  6355. /******************************************************************/
  6356. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6357. struct bnx2x_phy *phy,
  6358. u8 pmd_dis)
  6359. {
  6360. struct bnx2x *bp = params->bp;
  6361. /*
  6362. * Disable transmitter only for bootcodes which can enable it afterwards
  6363. * (for D3 link)
  6364. */
  6365. if (pmd_dis) {
  6366. if (params->feature_config_flags &
  6367. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6368. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6369. else {
  6370. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6371. return;
  6372. }
  6373. } else
  6374. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6375. bnx2x_cl45_write(bp, phy,
  6376. MDIO_PMA_DEVAD,
  6377. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6378. }
  6379. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6380. {
  6381. u8 gpio_port;
  6382. u32 swap_val, swap_override;
  6383. struct bnx2x *bp = params->bp;
  6384. if (CHIP_IS_E2(bp))
  6385. gpio_port = BP_PATH(bp);
  6386. else
  6387. gpio_port = params->port;
  6388. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6389. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6390. return gpio_port ^ (swap_val && swap_override);
  6391. }
  6392. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6393. struct bnx2x_phy *phy,
  6394. u8 tx_en)
  6395. {
  6396. u16 val;
  6397. u8 port = params->port;
  6398. struct bnx2x *bp = params->bp;
  6399. u32 tx_en_mode;
  6400. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6401. tx_en_mode = REG_RD(bp, params->shmem_base +
  6402. offsetof(struct shmem_region,
  6403. dev_info.port_hw_config[port].sfp_ctrl)) &
  6404. PORT_HW_CFG_TX_LASER_MASK;
  6405. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6406. "mode = %x\n", tx_en, port, tx_en_mode);
  6407. switch (tx_en_mode) {
  6408. case PORT_HW_CFG_TX_LASER_MDIO:
  6409. bnx2x_cl45_read(bp, phy,
  6410. MDIO_PMA_DEVAD,
  6411. MDIO_PMA_REG_PHY_IDENTIFIER,
  6412. &val);
  6413. if (tx_en)
  6414. val &= ~(1<<15);
  6415. else
  6416. val |= (1<<15);
  6417. bnx2x_cl45_write(bp, phy,
  6418. MDIO_PMA_DEVAD,
  6419. MDIO_PMA_REG_PHY_IDENTIFIER,
  6420. val);
  6421. break;
  6422. case PORT_HW_CFG_TX_LASER_GPIO0:
  6423. case PORT_HW_CFG_TX_LASER_GPIO1:
  6424. case PORT_HW_CFG_TX_LASER_GPIO2:
  6425. case PORT_HW_CFG_TX_LASER_GPIO3:
  6426. {
  6427. u16 gpio_pin;
  6428. u8 gpio_port, gpio_mode;
  6429. if (tx_en)
  6430. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6431. else
  6432. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6433. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6434. gpio_port = bnx2x_get_gpio_port(params);
  6435. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6436. break;
  6437. }
  6438. default:
  6439. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6440. break;
  6441. }
  6442. }
  6443. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6444. struct bnx2x_phy *phy,
  6445. u8 tx_en)
  6446. {
  6447. struct bnx2x *bp = params->bp;
  6448. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6449. if (CHIP_IS_E3(bp))
  6450. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6451. else
  6452. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6453. }
  6454. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6455. struct link_params *params,
  6456. u16 addr, u8 byte_cnt, u8 *o_buf)
  6457. {
  6458. struct bnx2x *bp = params->bp;
  6459. u16 val = 0;
  6460. u16 i;
  6461. if (byte_cnt > 16) {
  6462. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6463. " is limited to 0xf\n");
  6464. return -EINVAL;
  6465. }
  6466. /* Set the read command byte count */
  6467. bnx2x_cl45_write(bp, phy,
  6468. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6469. (byte_cnt | 0xa000));
  6470. /* Set the read command address */
  6471. bnx2x_cl45_write(bp, phy,
  6472. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6473. addr);
  6474. /* Activate read command */
  6475. bnx2x_cl45_write(bp, phy,
  6476. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6477. 0x2c0f);
  6478. /* Wait up to 500us for command complete status */
  6479. for (i = 0; i < 100; i++) {
  6480. bnx2x_cl45_read(bp, phy,
  6481. MDIO_PMA_DEVAD,
  6482. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6483. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6484. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6485. break;
  6486. udelay(5);
  6487. }
  6488. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6489. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6490. DP(NETIF_MSG_LINK,
  6491. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6492. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6493. return -EINVAL;
  6494. }
  6495. /* Read the buffer */
  6496. for (i = 0; i < byte_cnt; i++) {
  6497. bnx2x_cl45_read(bp, phy,
  6498. MDIO_PMA_DEVAD,
  6499. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6500. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6501. }
  6502. for (i = 0; i < 100; i++) {
  6503. bnx2x_cl45_read(bp, phy,
  6504. MDIO_PMA_DEVAD,
  6505. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6506. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6507. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6508. return 0;
  6509. msleep(1);
  6510. }
  6511. return -EINVAL;
  6512. }
  6513. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6514. struct link_params *params,
  6515. u16 addr, u8 byte_cnt,
  6516. u8 *o_buf)
  6517. {
  6518. int rc = 0;
  6519. u8 i, j = 0, cnt = 0;
  6520. u32 data_array[4];
  6521. u16 addr32;
  6522. struct bnx2x *bp = params->bp;
  6523. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6524. " addr %d, cnt %d\n",
  6525. addr, byte_cnt);*/
  6526. if (byte_cnt > 16) {
  6527. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6528. " is limited to 16 bytes\n");
  6529. return -EINVAL;
  6530. }
  6531. /* 4 byte aligned address */
  6532. addr32 = addr & (~0x3);
  6533. do {
  6534. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6535. data_array);
  6536. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6537. if (rc == 0) {
  6538. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6539. o_buf[j] = *((u8 *)data_array + i);
  6540. j++;
  6541. }
  6542. }
  6543. return rc;
  6544. }
  6545. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6546. struct link_params *params,
  6547. u16 addr, u8 byte_cnt, u8 *o_buf)
  6548. {
  6549. struct bnx2x *bp = params->bp;
  6550. u16 val, i;
  6551. if (byte_cnt > 16) {
  6552. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6553. " is limited to 0xf\n");
  6554. return -EINVAL;
  6555. }
  6556. /* Need to read from 1.8000 to clear it */
  6557. bnx2x_cl45_read(bp, phy,
  6558. MDIO_PMA_DEVAD,
  6559. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6560. &val);
  6561. /* Set the read command byte count */
  6562. bnx2x_cl45_write(bp, phy,
  6563. MDIO_PMA_DEVAD,
  6564. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6565. ((byte_cnt < 2) ? 2 : byte_cnt));
  6566. /* Set the read command address */
  6567. bnx2x_cl45_write(bp, phy,
  6568. MDIO_PMA_DEVAD,
  6569. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6570. addr);
  6571. /* Set the destination address */
  6572. bnx2x_cl45_write(bp, phy,
  6573. MDIO_PMA_DEVAD,
  6574. 0x8004,
  6575. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6576. /* Activate read command */
  6577. bnx2x_cl45_write(bp, phy,
  6578. MDIO_PMA_DEVAD,
  6579. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6580. 0x8002);
  6581. /*
  6582. * Wait appropriate time for two-wire command to finish before
  6583. * polling the status register
  6584. */
  6585. msleep(1);
  6586. /* Wait up to 500us for command complete status */
  6587. for (i = 0; i < 100; i++) {
  6588. bnx2x_cl45_read(bp, phy,
  6589. MDIO_PMA_DEVAD,
  6590. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6591. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6592. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6593. break;
  6594. udelay(5);
  6595. }
  6596. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6597. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6598. DP(NETIF_MSG_LINK,
  6599. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6600. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6601. return -EFAULT;
  6602. }
  6603. /* Read the buffer */
  6604. for (i = 0; i < byte_cnt; i++) {
  6605. bnx2x_cl45_read(bp, phy,
  6606. MDIO_PMA_DEVAD,
  6607. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6608. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6609. }
  6610. for (i = 0; i < 100; i++) {
  6611. bnx2x_cl45_read(bp, phy,
  6612. MDIO_PMA_DEVAD,
  6613. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6614. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6615. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6616. return 0;
  6617. msleep(1);
  6618. }
  6619. return -EINVAL;
  6620. }
  6621. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6622. struct link_params *params, u16 addr,
  6623. u8 byte_cnt, u8 *o_buf)
  6624. {
  6625. int rc = -EINVAL;
  6626. switch (phy->type) {
  6627. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6628. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6629. byte_cnt, o_buf);
  6630. break;
  6631. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6632. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6633. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6634. byte_cnt, o_buf);
  6635. break;
  6636. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6637. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6638. byte_cnt, o_buf);
  6639. break;
  6640. }
  6641. return rc;
  6642. }
  6643. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6644. struct link_params *params,
  6645. u16 *edc_mode)
  6646. {
  6647. struct bnx2x *bp = params->bp;
  6648. u32 sync_offset = 0, phy_idx, media_types;
  6649. u8 val, check_limiting_mode = 0;
  6650. *edc_mode = EDC_MODE_LIMITING;
  6651. phy->media_type = ETH_PHY_UNSPECIFIED;
  6652. /* First check for copper cable */
  6653. if (bnx2x_read_sfp_module_eeprom(phy,
  6654. params,
  6655. SFP_EEPROM_CON_TYPE_ADDR,
  6656. 1,
  6657. &val) != 0) {
  6658. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6659. return -EINVAL;
  6660. }
  6661. switch (val) {
  6662. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6663. {
  6664. u8 copper_module_type;
  6665. phy->media_type = ETH_PHY_DA_TWINAX;
  6666. /*
  6667. * Check if its active cable (includes SFP+ module)
  6668. * of passive cable
  6669. */
  6670. if (bnx2x_read_sfp_module_eeprom(phy,
  6671. params,
  6672. SFP_EEPROM_FC_TX_TECH_ADDR,
  6673. 1,
  6674. &copper_module_type) != 0) {
  6675. DP(NETIF_MSG_LINK,
  6676. "Failed to read copper-cable-type"
  6677. " from SFP+ EEPROM\n");
  6678. return -EINVAL;
  6679. }
  6680. if (copper_module_type &
  6681. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6682. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6683. check_limiting_mode = 1;
  6684. } else if (copper_module_type &
  6685. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6686. DP(NETIF_MSG_LINK, "Passive Copper"
  6687. " cable detected\n");
  6688. *edc_mode =
  6689. EDC_MODE_PASSIVE_DAC;
  6690. } else {
  6691. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6692. "type 0x%x !!!\n", copper_module_type);
  6693. return -EINVAL;
  6694. }
  6695. break;
  6696. }
  6697. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6698. phy->media_type = ETH_PHY_SFP_FIBER;
  6699. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6700. check_limiting_mode = 1;
  6701. break;
  6702. default:
  6703. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6704. val);
  6705. return -EINVAL;
  6706. }
  6707. sync_offset = params->shmem_base +
  6708. offsetof(struct shmem_region,
  6709. dev_info.port_hw_config[params->port].media_type);
  6710. media_types = REG_RD(bp, sync_offset);
  6711. /* Update media type for non-PMF sync */
  6712. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6713. if (&(params->phy[phy_idx]) == phy) {
  6714. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6715. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6716. media_types |= ((phy->media_type &
  6717. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6718. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6719. break;
  6720. }
  6721. }
  6722. REG_WR(bp, sync_offset, media_types);
  6723. if (check_limiting_mode) {
  6724. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6725. if (bnx2x_read_sfp_module_eeprom(phy,
  6726. params,
  6727. SFP_EEPROM_OPTIONS_ADDR,
  6728. SFP_EEPROM_OPTIONS_SIZE,
  6729. options) != 0) {
  6730. DP(NETIF_MSG_LINK, "Failed to read Option"
  6731. " field from module EEPROM\n");
  6732. return -EINVAL;
  6733. }
  6734. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6735. *edc_mode = EDC_MODE_LINEAR;
  6736. else
  6737. *edc_mode = EDC_MODE_LIMITING;
  6738. }
  6739. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6740. return 0;
  6741. }
  6742. /*
  6743. * This function read the relevant field from the module (SFP+), and verify it
  6744. * is compliant with this board
  6745. */
  6746. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6747. struct link_params *params)
  6748. {
  6749. struct bnx2x *bp = params->bp;
  6750. u32 val, cmd;
  6751. u32 fw_resp, fw_cmd_param;
  6752. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6753. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6754. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6755. val = REG_RD(bp, params->shmem_base +
  6756. offsetof(struct shmem_region, dev_info.
  6757. port_feature_config[params->port].config));
  6758. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6759. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6760. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6761. return 0;
  6762. }
  6763. if (params->feature_config_flags &
  6764. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6765. /* Use specific phy request */
  6766. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6767. } else if (params->feature_config_flags &
  6768. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6769. /* Use first phy request only in case of non-dual media*/
  6770. if (DUAL_MEDIA(params)) {
  6771. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6772. "verification\n");
  6773. return -EINVAL;
  6774. }
  6775. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6776. } else {
  6777. /* No support in OPT MDL detection */
  6778. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6779. "verification\n");
  6780. return -EINVAL;
  6781. }
  6782. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6783. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6784. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6785. DP(NETIF_MSG_LINK, "Approved module\n");
  6786. return 0;
  6787. }
  6788. /* format the warning message */
  6789. if (bnx2x_read_sfp_module_eeprom(phy,
  6790. params,
  6791. SFP_EEPROM_VENDOR_NAME_ADDR,
  6792. SFP_EEPROM_VENDOR_NAME_SIZE,
  6793. (u8 *)vendor_name))
  6794. vendor_name[0] = '\0';
  6795. else
  6796. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6797. if (bnx2x_read_sfp_module_eeprom(phy,
  6798. params,
  6799. SFP_EEPROM_PART_NO_ADDR,
  6800. SFP_EEPROM_PART_NO_SIZE,
  6801. (u8 *)vendor_pn))
  6802. vendor_pn[0] = '\0';
  6803. else
  6804. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6805. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6806. " Port %d from %s part number %s\n",
  6807. params->port, vendor_name, vendor_pn);
  6808. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6809. return -EINVAL;
  6810. }
  6811. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6812. struct link_params *params)
  6813. {
  6814. u8 val;
  6815. struct bnx2x *bp = params->bp;
  6816. u16 timeout;
  6817. /*
  6818. * Initialization time after hot-plug may take up to 300ms for
  6819. * some phys type ( e.g. JDSU )
  6820. */
  6821. for (timeout = 0; timeout < 60; timeout++) {
  6822. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6823. == 0) {
  6824. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6825. "took %d ms\n", timeout * 5);
  6826. return 0;
  6827. }
  6828. msleep(5);
  6829. }
  6830. return -EINVAL;
  6831. }
  6832. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6833. struct bnx2x_phy *phy,
  6834. u8 is_power_up) {
  6835. /* Make sure GPIOs are not using for LED mode */
  6836. u16 val;
  6837. /*
  6838. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6839. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6840. * output
  6841. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6842. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6843. * where the 1st bit is the over-current(only input), and 2nd bit is
  6844. * for power( only output )
  6845. *
  6846. * In case of NOC feature is disabled and power is up, set GPIO control
  6847. * as input to enable listening of over-current indication
  6848. */
  6849. if (phy->flags & FLAGS_NOC)
  6850. return;
  6851. if (is_power_up)
  6852. val = (1<<4);
  6853. else
  6854. /*
  6855. * Set GPIO control to OUTPUT, and set the power bit
  6856. * to according to the is_power_up
  6857. */
  6858. val = (1<<1);
  6859. bnx2x_cl45_write(bp, phy,
  6860. MDIO_PMA_DEVAD,
  6861. MDIO_PMA_REG_8727_GPIO_CTRL,
  6862. val);
  6863. }
  6864. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6865. struct bnx2x_phy *phy,
  6866. u16 edc_mode)
  6867. {
  6868. u16 cur_limiting_mode;
  6869. bnx2x_cl45_read(bp, phy,
  6870. MDIO_PMA_DEVAD,
  6871. MDIO_PMA_REG_ROM_VER2,
  6872. &cur_limiting_mode);
  6873. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6874. cur_limiting_mode);
  6875. if (edc_mode == EDC_MODE_LIMITING) {
  6876. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6877. bnx2x_cl45_write(bp, phy,
  6878. MDIO_PMA_DEVAD,
  6879. MDIO_PMA_REG_ROM_VER2,
  6880. EDC_MODE_LIMITING);
  6881. } else { /* LRM mode ( default )*/
  6882. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6883. /*
  6884. * Changing to LRM mode takes quite few seconds. So do it only
  6885. * if current mode is limiting (default is LRM)
  6886. */
  6887. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6888. return 0;
  6889. bnx2x_cl45_write(bp, phy,
  6890. MDIO_PMA_DEVAD,
  6891. MDIO_PMA_REG_LRM_MODE,
  6892. 0);
  6893. bnx2x_cl45_write(bp, phy,
  6894. MDIO_PMA_DEVAD,
  6895. MDIO_PMA_REG_ROM_VER2,
  6896. 0x128);
  6897. bnx2x_cl45_write(bp, phy,
  6898. MDIO_PMA_DEVAD,
  6899. MDIO_PMA_REG_MISC_CTRL0,
  6900. 0x4008);
  6901. bnx2x_cl45_write(bp, phy,
  6902. MDIO_PMA_DEVAD,
  6903. MDIO_PMA_REG_LRM_MODE,
  6904. 0xaaaa);
  6905. }
  6906. return 0;
  6907. }
  6908. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6909. struct bnx2x_phy *phy,
  6910. u16 edc_mode)
  6911. {
  6912. u16 phy_identifier;
  6913. u16 rom_ver2_val;
  6914. bnx2x_cl45_read(bp, phy,
  6915. MDIO_PMA_DEVAD,
  6916. MDIO_PMA_REG_PHY_IDENTIFIER,
  6917. &phy_identifier);
  6918. bnx2x_cl45_write(bp, phy,
  6919. MDIO_PMA_DEVAD,
  6920. MDIO_PMA_REG_PHY_IDENTIFIER,
  6921. (phy_identifier & ~(1<<9)));
  6922. bnx2x_cl45_read(bp, phy,
  6923. MDIO_PMA_DEVAD,
  6924. MDIO_PMA_REG_ROM_VER2,
  6925. &rom_ver2_val);
  6926. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6927. bnx2x_cl45_write(bp, phy,
  6928. MDIO_PMA_DEVAD,
  6929. MDIO_PMA_REG_ROM_VER2,
  6930. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6931. bnx2x_cl45_write(bp, phy,
  6932. MDIO_PMA_DEVAD,
  6933. MDIO_PMA_REG_PHY_IDENTIFIER,
  6934. (phy_identifier | (1<<9)));
  6935. return 0;
  6936. }
  6937. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6938. struct link_params *params,
  6939. u32 action)
  6940. {
  6941. struct bnx2x *bp = params->bp;
  6942. switch (action) {
  6943. case DISABLE_TX:
  6944. bnx2x_sfp_set_transmitter(params, phy, 0);
  6945. break;
  6946. case ENABLE_TX:
  6947. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6948. bnx2x_sfp_set_transmitter(params, phy, 1);
  6949. break;
  6950. default:
  6951. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6952. action);
  6953. return;
  6954. }
  6955. }
  6956. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6957. u8 gpio_mode)
  6958. {
  6959. struct bnx2x *bp = params->bp;
  6960. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6961. offsetof(struct shmem_region,
  6962. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6963. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6964. switch (fault_led_gpio) {
  6965. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6966. return;
  6967. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6968. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6969. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6970. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6971. {
  6972. u8 gpio_port = bnx2x_get_gpio_port(params);
  6973. u16 gpio_pin = fault_led_gpio -
  6974. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6975. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6976. "pin %x port %x mode %x\n",
  6977. gpio_pin, gpio_port, gpio_mode);
  6978. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6979. }
  6980. break;
  6981. default:
  6982. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6983. fault_led_gpio);
  6984. }
  6985. }
  6986. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6987. u8 gpio_mode)
  6988. {
  6989. u32 pin_cfg;
  6990. u8 port = params->port;
  6991. struct bnx2x *bp = params->bp;
  6992. pin_cfg = (REG_RD(bp, params->shmem_base +
  6993. offsetof(struct shmem_region,
  6994. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6995. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6996. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6997. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6998. gpio_mode, pin_cfg);
  6999. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7000. }
  7001. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7002. u8 gpio_mode)
  7003. {
  7004. struct bnx2x *bp = params->bp;
  7005. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7006. if (CHIP_IS_E3(bp)) {
  7007. /*
  7008. * Low ==> if SFP+ module is supported otherwise
  7009. * High ==> if SFP+ module is not on the approved vendor list
  7010. */
  7011. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7012. } else
  7013. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7014. }
  7015. static void bnx2x_warpcore_power_module(struct link_params *params,
  7016. struct bnx2x_phy *phy,
  7017. u8 power)
  7018. {
  7019. u32 pin_cfg;
  7020. struct bnx2x *bp = params->bp;
  7021. pin_cfg = (REG_RD(bp, params->shmem_base +
  7022. offsetof(struct shmem_region,
  7023. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7024. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7025. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7026. if (pin_cfg == PIN_CFG_NA)
  7027. return;
  7028. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7029. power, pin_cfg);
  7030. /*
  7031. * Low ==> corresponding SFP+ module is powered
  7032. * high ==> the SFP+ module is powered down
  7033. */
  7034. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7035. }
  7036. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7037. struct link_params *params)
  7038. {
  7039. bnx2x_warpcore_power_module(params, phy, 0);
  7040. }
  7041. static void bnx2x_power_sfp_module(struct link_params *params,
  7042. struct bnx2x_phy *phy,
  7043. u8 power)
  7044. {
  7045. struct bnx2x *bp = params->bp;
  7046. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7047. switch (phy->type) {
  7048. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7049. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7050. bnx2x_8727_power_module(params->bp, phy, power);
  7051. break;
  7052. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7053. bnx2x_warpcore_power_module(params, phy, power);
  7054. break;
  7055. default:
  7056. break;
  7057. }
  7058. }
  7059. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7060. struct bnx2x_phy *phy,
  7061. u16 edc_mode)
  7062. {
  7063. u16 val = 0;
  7064. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7065. struct bnx2x *bp = params->bp;
  7066. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7067. /* This is a global register which controls all lanes */
  7068. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7069. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7070. val &= ~(0xf << (lane << 2));
  7071. switch (edc_mode) {
  7072. case EDC_MODE_LINEAR:
  7073. case EDC_MODE_LIMITING:
  7074. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7075. break;
  7076. case EDC_MODE_PASSIVE_DAC:
  7077. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7078. break;
  7079. default:
  7080. break;
  7081. }
  7082. val |= (mode << (lane << 2));
  7083. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7084. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7085. /* A must read */
  7086. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7087. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7088. /* Restart microcode to re-read the new mode */
  7089. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7090. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7091. }
  7092. static void bnx2x_set_limiting_mode(struct link_params *params,
  7093. struct bnx2x_phy *phy,
  7094. u16 edc_mode)
  7095. {
  7096. switch (phy->type) {
  7097. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7098. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7099. break;
  7100. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7101. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7102. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7103. break;
  7104. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7105. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7106. break;
  7107. }
  7108. }
  7109. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7110. struct link_params *params)
  7111. {
  7112. struct bnx2x *bp = params->bp;
  7113. u16 edc_mode;
  7114. int rc = 0;
  7115. u32 val = REG_RD(bp, params->shmem_base +
  7116. offsetof(struct shmem_region, dev_info.
  7117. port_feature_config[params->port].config));
  7118. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7119. params->port);
  7120. /* Power up module */
  7121. bnx2x_power_sfp_module(params, phy, 1);
  7122. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7123. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7124. return -EINVAL;
  7125. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7126. /* check SFP+ module compatibility */
  7127. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7128. rc = -EINVAL;
  7129. /* Turn on fault module-detected led */
  7130. bnx2x_set_sfp_module_fault_led(params,
  7131. MISC_REGISTERS_GPIO_HIGH);
  7132. /* Check if need to power down the SFP+ module */
  7133. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7134. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7135. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7136. bnx2x_power_sfp_module(params, phy, 0);
  7137. return rc;
  7138. }
  7139. } else {
  7140. /* Turn off fault module-detected led */
  7141. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7142. }
  7143. /*
  7144. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7145. * is done automatically
  7146. */
  7147. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7148. /*
  7149. * Enable transmit for this module if the module is approved, or
  7150. * if unapproved modules should also enable the Tx laser
  7151. */
  7152. if (rc == 0 ||
  7153. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7154. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7155. bnx2x_sfp_set_transmitter(params, phy, 1);
  7156. else
  7157. bnx2x_sfp_set_transmitter(params, phy, 0);
  7158. return rc;
  7159. }
  7160. void bnx2x_handle_module_detect_int(struct link_params *params)
  7161. {
  7162. struct bnx2x *bp = params->bp;
  7163. struct bnx2x_phy *phy;
  7164. u32 gpio_val;
  7165. u8 gpio_num, gpio_port;
  7166. if (CHIP_IS_E3(bp))
  7167. phy = &params->phy[INT_PHY];
  7168. else
  7169. phy = &params->phy[EXT_PHY1];
  7170. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7171. params->port, &gpio_num, &gpio_port) ==
  7172. -EINVAL) {
  7173. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7174. return;
  7175. }
  7176. /* Set valid module led off */
  7177. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7178. /* Get current gpio val reflecting module plugged in / out*/
  7179. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7180. /* Call the handling function in case module is detected */
  7181. if (gpio_val == 0) {
  7182. bnx2x_power_sfp_module(params, phy, 1);
  7183. bnx2x_set_gpio_int(bp, gpio_num,
  7184. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7185. gpio_port);
  7186. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7187. bnx2x_sfp_module_detection(phy, params);
  7188. else
  7189. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7190. } else {
  7191. u32 val = REG_RD(bp, params->shmem_base +
  7192. offsetof(struct shmem_region, dev_info.
  7193. port_feature_config[params->port].
  7194. config));
  7195. bnx2x_set_gpio_int(bp, gpio_num,
  7196. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7197. gpio_port);
  7198. /*
  7199. * Module was plugged out.
  7200. * Disable transmit for this module
  7201. */
  7202. phy->media_type = ETH_PHY_NOT_PRESENT;
  7203. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7204. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7205. CHIP_IS_E3(bp))
  7206. bnx2x_sfp_set_transmitter(params, phy, 0);
  7207. }
  7208. }
  7209. /******************************************************************/
  7210. /* Used by 8706 and 8727 */
  7211. /******************************************************************/
  7212. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7213. struct bnx2x_phy *phy,
  7214. u16 alarm_status_offset,
  7215. u16 alarm_ctrl_offset)
  7216. {
  7217. u16 alarm_status, val;
  7218. bnx2x_cl45_read(bp, phy,
  7219. MDIO_PMA_DEVAD, alarm_status_offset,
  7220. &alarm_status);
  7221. bnx2x_cl45_read(bp, phy,
  7222. MDIO_PMA_DEVAD, alarm_status_offset,
  7223. &alarm_status);
  7224. /* Mask or enable the fault event. */
  7225. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7226. if (alarm_status & (1<<0))
  7227. val &= ~(1<<0);
  7228. else
  7229. val |= (1<<0);
  7230. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7231. }
  7232. /******************************************************************/
  7233. /* common BCM8706/BCM8726 PHY SECTION */
  7234. /******************************************************************/
  7235. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7236. struct link_params *params,
  7237. struct link_vars *vars)
  7238. {
  7239. u8 link_up = 0;
  7240. u16 val1, val2, rx_sd, pcs_status;
  7241. struct bnx2x *bp = params->bp;
  7242. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7243. /* Clear RX Alarm*/
  7244. bnx2x_cl45_read(bp, phy,
  7245. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7246. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7247. MDIO_PMA_LASI_TXCTRL);
  7248. /* clear LASI indication*/
  7249. bnx2x_cl45_read(bp, phy,
  7250. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7251. bnx2x_cl45_read(bp, phy,
  7252. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7253. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7254. bnx2x_cl45_read(bp, phy,
  7255. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7256. bnx2x_cl45_read(bp, phy,
  7257. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7258. bnx2x_cl45_read(bp, phy,
  7259. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7260. bnx2x_cl45_read(bp, phy,
  7261. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7262. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7263. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7264. /*
  7265. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7266. * are set, or if the autoneg bit 1 is set
  7267. */
  7268. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7269. if (link_up) {
  7270. if (val2 & (1<<1))
  7271. vars->line_speed = SPEED_1000;
  7272. else
  7273. vars->line_speed = SPEED_10000;
  7274. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7275. vars->duplex = DUPLEX_FULL;
  7276. }
  7277. /* Capture 10G link fault. Read twice to clear stale value. */
  7278. if (vars->line_speed == SPEED_10000) {
  7279. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7280. MDIO_PMA_LASI_TXSTAT, &val1);
  7281. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7282. MDIO_PMA_LASI_TXSTAT, &val1);
  7283. if (val1 & (1<<0))
  7284. vars->fault_detected = 1;
  7285. }
  7286. return link_up;
  7287. }
  7288. /******************************************************************/
  7289. /* BCM8706 PHY SECTION */
  7290. /******************************************************************/
  7291. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7292. struct link_params *params,
  7293. struct link_vars *vars)
  7294. {
  7295. u32 tx_en_mode;
  7296. u16 cnt, val, tmp1;
  7297. struct bnx2x *bp = params->bp;
  7298. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7299. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7300. /* HW reset */
  7301. bnx2x_ext_phy_hw_reset(bp, params->port);
  7302. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7303. bnx2x_wait_reset_complete(bp, phy, params);
  7304. /* Wait until fw is loaded */
  7305. for (cnt = 0; cnt < 100; cnt++) {
  7306. bnx2x_cl45_read(bp, phy,
  7307. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7308. if (val)
  7309. break;
  7310. msleep(10);
  7311. }
  7312. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7313. if ((params->feature_config_flags &
  7314. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7315. u8 i;
  7316. u16 reg;
  7317. for (i = 0; i < 4; i++) {
  7318. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7319. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7320. MDIO_XS_8706_REG_BANK_RX0);
  7321. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7322. /* Clear first 3 bits of the control */
  7323. val &= ~0x7;
  7324. /* Set control bits according to configuration */
  7325. val |= (phy->rx_preemphasis[i] & 0x7);
  7326. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7327. " reg 0x%x <-- val 0x%x\n", reg, val);
  7328. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7329. }
  7330. }
  7331. /* Force speed */
  7332. if (phy->req_line_speed == SPEED_10000) {
  7333. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7334. bnx2x_cl45_write(bp, phy,
  7335. MDIO_PMA_DEVAD,
  7336. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7337. bnx2x_cl45_write(bp, phy,
  7338. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7339. 0);
  7340. /* Arm LASI for link and Tx fault. */
  7341. bnx2x_cl45_write(bp, phy,
  7342. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7343. } else {
  7344. /* Force 1Gbps using autoneg with 1G advertisement */
  7345. /* Allow CL37 through CL73 */
  7346. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7347. bnx2x_cl45_write(bp, phy,
  7348. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7349. /* Enable Full-Duplex advertisement on CL37 */
  7350. bnx2x_cl45_write(bp, phy,
  7351. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7352. /* Enable CL37 AN */
  7353. bnx2x_cl45_write(bp, phy,
  7354. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7355. /* 1G support */
  7356. bnx2x_cl45_write(bp, phy,
  7357. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7358. /* Enable clause 73 AN */
  7359. bnx2x_cl45_write(bp, phy,
  7360. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7361. bnx2x_cl45_write(bp, phy,
  7362. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7363. 0x0400);
  7364. bnx2x_cl45_write(bp, phy,
  7365. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7366. 0x0004);
  7367. }
  7368. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7369. /*
  7370. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7371. * power mode, if TX Laser is disabled
  7372. */
  7373. tx_en_mode = REG_RD(bp, params->shmem_base +
  7374. offsetof(struct shmem_region,
  7375. dev_info.port_hw_config[params->port].sfp_ctrl))
  7376. & PORT_HW_CFG_TX_LASER_MASK;
  7377. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7378. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7379. bnx2x_cl45_read(bp, phy,
  7380. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7381. tmp1 |= 0x1;
  7382. bnx2x_cl45_write(bp, phy,
  7383. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7384. }
  7385. return 0;
  7386. }
  7387. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7388. struct link_params *params,
  7389. struct link_vars *vars)
  7390. {
  7391. return bnx2x_8706_8726_read_status(phy, params, vars);
  7392. }
  7393. /******************************************************************/
  7394. /* BCM8726 PHY SECTION */
  7395. /******************************************************************/
  7396. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7397. struct link_params *params)
  7398. {
  7399. struct bnx2x *bp = params->bp;
  7400. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7401. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7402. }
  7403. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7404. struct link_params *params)
  7405. {
  7406. struct bnx2x *bp = params->bp;
  7407. /* Need to wait 100ms after reset */
  7408. msleep(100);
  7409. /* Micro controller re-boot */
  7410. bnx2x_cl45_write(bp, phy,
  7411. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7412. /* Set soft reset */
  7413. bnx2x_cl45_write(bp, phy,
  7414. MDIO_PMA_DEVAD,
  7415. MDIO_PMA_REG_GEN_CTRL,
  7416. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7417. bnx2x_cl45_write(bp, phy,
  7418. MDIO_PMA_DEVAD,
  7419. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7420. bnx2x_cl45_write(bp, phy,
  7421. MDIO_PMA_DEVAD,
  7422. MDIO_PMA_REG_GEN_CTRL,
  7423. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7424. /* wait for 150ms for microcode load */
  7425. msleep(150);
  7426. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7427. bnx2x_cl45_write(bp, phy,
  7428. MDIO_PMA_DEVAD,
  7429. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7430. msleep(200);
  7431. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7432. }
  7433. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7434. struct link_params *params,
  7435. struct link_vars *vars)
  7436. {
  7437. struct bnx2x *bp = params->bp;
  7438. u16 val1;
  7439. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7440. if (link_up) {
  7441. bnx2x_cl45_read(bp, phy,
  7442. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7443. &val1);
  7444. if (val1 & (1<<15)) {
  7445. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7446. link_up = 0;
  7447. vars->line_speed = 0;
  7448. }
  7449. }
  7450. return link_up;
  7451. }
  7452. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7453. struct link_params *params,
  7454. struct link_vars *vars)
  7455. {
  7456. struct bnx2x *bp = params->bp;
  7457. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7458. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7459. bnx2x_wait_reset_complete(bp, phy, params);
  7460. bnx2x_8726_external_rom_boot(phy, params);
  7461. /*
  7462. * Need to call module detected on initialization since the module
  7463. * detection triggered by actual module insertion might occur before
  7464. * driver is loaded, and when driver is loaded, it reset all
  7465. * registers, including the transmitter
  7466. */
  7467. bnx2x_sfp_module_detection(phy, params);
  7468. if (phy->req_line_speed == SPEED_1000) {
  7469. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7470. bnx2x_cl45_write(bp, phy,
  7471. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7472. bnx2x_cl45_write(bp, phy,
  7473. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7474. bnx2x_cl45_write(bp, phy,
  7475. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7476. bnx2x_cl45_write(bp, phy,
  7477. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7478. 0x400);
  7479. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7480. (phy->speed_cap_mask &
  7481. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7482. ((phy->speed_cap_mask &
  7483. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7484. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7485. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7486. /* Set Flow control */
  7487. bnx2x_ext_phy_set_pause(params, phy, vars);
  7488. bnx2x_cl45_write(bp, phy,
  7489. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7490. bnx2x_cl45_write(bp, phy,
  7491. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7492. bnx2x_cl45_write(bp, phy,
  7493. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7494. bnx2x_cl45_write(bp, phy,
  7495. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7496. bnx2x_cl45_write(bp, phy,
  7497. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7498. /*
  7499. * Enable RX-ALARM control to receive interrupt for 1G speed
  7500. * change
  7501. */
  7502. bnx2x_cl45_write(bp, phy,
  7503. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7504. bnx2x_cl45_write(bp, phy,
  7505. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7506. 0x400);
  7507. } else { /* Default 10G. Set only LASI control */
  7508. bnx2x_cl45_write(bp, phy,
  7509. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7510. }
  7511. /* Set TX PreEmphasis if needed */
  7512. if ((params->feature_config_flags &
  7513. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7514. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7515. "TX_CTRL2 0x%x\n",
  7516. phy->tx_preemphasis[0],
  7517. phy->tx_preemphasis[1]);
  7518. bnx2x_cl45_write(bp, phy,
  7519. MDIO_PMA_DEVAD,
  7520. MDIO_PMA_REG_8726_TX_CTRL1,
  7521. phy->tx_preemphasis[0]);
  7522. bnx2x_cl45_write(bp, phy,
  7523. MDIO_PMA_DEVAD,
  7524. MDIO_PMA_REG_8726_TX_CTRL2,
  7525. phy->tx_preemphasis[1]);
  7526. }
  7527. return 0;
  7528. }
  7529. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7530. struct link_params *params)
  7531. {
  7532. struct bnx2x *bp = params->bp;
  7533. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7534. /* Set serial boot control for external load */
  7535. bnx2x_cl45_write(bp, phy,
  7536. MDIO_PMA_DEVAD,
  7537. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7538. }
  7539. /******************************************************************/
  7540. /* BCM8727 PHY SECTION */
  7541. /******************************************************************/
  7542. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7543. struct link_params *params, u8 mode)
  7544. {
  7545. struct bnx2x *bp = params->bp;
  7546. u16 led_mode_bitmask = 0;
  7547. u16 gpio_pins_bitmask = 0;
  7548. u16 val;
  7549. /* Only NOC flavor requires to set the LED specifically */
  7550. if (!(phy->flags & FLAGS_NOC))
  7551. return;
  7552. switch (mode) {
  7553. case LED_MODE_FRONT_PANEL_OFF:
  7554. case LED_MODE_OFF:
  7555. led_mode_bitmask = 0;
  7556. gpio_pins_bitmask = 0x03;
  7557. break;
  7558. case LED_MODE_ON:
  7559. led_mode_bitmask = 0;
  7560. gpio_pins_bitmask = 0x02;
  7561. break;
  7562. case LED_MODE_OPER:
  7563. led_mode_bitmask = 0x60;
  7564. gpio_pins_bitmask = 0x11;
  7565. break;
  7566. }
  7567. bnx2x_cl45_read(bp, phy,
  7568. MDIO_PMA_DEVAD,
  7569. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7570. &val);
  7571. val &= 0xff8f;
  7572. val |= led_mode_bitmask;
  7573. bnx2x_cl45_write(bp, phy,
  7574. MDIO_PMA_DEVAD,
  7575. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7576. val);
  7577. bnx2x_cl45_read(bp, phy,
  7578. MDIO_PMA_DEVAD,
  7579. MDIO_PMA_REG_8727_GPIO_CTRL,
  7580. &val);
  7581. val &= 0xffe0;
  7582. val |= gpio_pins_bitmask;
  7583. bnx2x_cl45_write(bp, phy,
  7584. MDIO_PMA_DEVAD,
  7585. MDIO_PMA_REG_8727_GPIO_CTRL,
  7586. val);
  7587. }
  7588. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7589. struct link_params *params) {
  7590. u32 swap_val, swap_override;
  7591. u8 port;
  7592. /*
  7593. * The PHY reset is controlled by GPIO 1. Fake the port number
  7594. * to cancel the swap done in set_gpio()
  7595. */
  7596. struct bnx2x *bp = params->bp;
  7597. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7598. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7599. port = (swap_val && swap_override) ^ 1;
  7600. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7601. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7602. }
  7603. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7604. struct link_params *params,
  7605. struct link_vars *vars)
  7606. {
  7607. u32 tx_en_mode;
  7608. u16 tmp1, val, mod_abs, tmp2;
  7609. u16 rx_alarm_ctrl_val;
  7610. u16 lasi_ctrl_val;
  7611. struct bnx2x *bp = params->bp;
  7612. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7613. bnx2x_wait_reset_complete(bp, phy, params);
  7614. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7615. /* Should be 0x6 to enable XS on Tx side. */
  7616. lasi_ctrl_val = 0x0006;
  7617. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7618. /* enable LASI */
  7619. bnx2x_cl45_write(bp, phy,
  7620. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7621. rx_alarm_ctrl_val);
  7622. bnx2x_cl45_write(bp, phy,
  7623. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7624. 0);
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7627. /*
  7628. * Initially configure MOD_ABS to interrupt when module is
  7629. * presence( bit 8)
  7630. */
  7631. bnx2x_cl45_read(bp, phy,
  7632. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7633. /*
  7634. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7635. * When the EDC is off it locks onto a reference clock and avoids
  7636. * becoming 'lost'
  7637. */
  7638. mod_abs &= ~(1<<8);
  7639. if (!(phy->flags & FLAGS_NOC))
  7640. mod_abs &= ~(1<<9);
  7641. bnx2x_cl45_write(bp, phy,
  7642. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7643. /* Enable/Disable PHY transmitter output */
  7644. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7645. /* Make MOD_ABS give interrupt on change */
  7646. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7647. &val);
  7648. val |= (1<<12);
  7649. if (phy->flags & FLAGS_NOC)
  7650. val |= (3<<5);
  7651. /*
  7652. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7653. * status which reflect SFP+ module over-current
  7654. */
  7655. if (!(phy->flags & FLAGS_NOC))
  7656. val &= 0xff8f; /* Reset bits 4-6 */
  7657. bnx2x_cl45_write(bp, phy,
  7658. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7659. bnx2x_8727_power_module(bp, phy, 1);
  7660. bnx2x_cl45_read(bp, phy,
  7661. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7662. bnx2x_cl45_read(bp, phy,
  7663. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7664. /* Set option 1G speed */
  7665. if (phy->req_line_speed == SPEED_1000) {
  7666. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7667. bnx2x_cl45_write(bp, phy,
  7668. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7669. bnx2x_cl45_write(bp, phy,
  7670. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7671. bnx2x_cl45_read(bp, phy,
  7672. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7673. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7674. /*
  7675. * Power down the XAUI until link is up in case of dual-media
  7676. * and 1G
  7677. */
  7678. if (DUAL_MEDIA(params)) {
  7679. bnx2x_cl45_read(bp, phy,
  7680. MDIO_PMA_DEVAD,
  7681. MDIO_PMA_REG_8727_PCS_GP, &val);
  7682. val |= (3<<10);
  7683. bnx2x_cl45_write(bp, phy,
  7684. MDIO_PMA_DEVAD,
  7685. MDIO_PMA_REG_8727_PCS_GP, val);
  7686. }
  7687. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7688. ((phy->speed_cap_mask &
  7689. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7690. ((phy->speed_cap_mask &
  7691. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7692. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7693. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7694. bnx2x_cl45_write(bp, phy,
  7695. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7696. bnx2x_cl45_write(bp, phy,
  7697. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7698. } else {
  7699. /*
  7700. * Since the 8727 has only single reset pin, need to set the 10G
  7701. * registers although it is default
  7702. */
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7705. 0x0020);
  7706. bnx2x_cl45_write(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7708. bnx2x_cl45_write(bp, phy,
  7709. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7712. 0x0008);
  7713. }
  7714. /*
  7715. * Set 2-wire transfer rate of SFP+ module EEPROM
  7716. * to 100Khz since some DACs(direct attached cables) do
  7717. * not work at 400Khz.
  7718. */
  7719. bnx2x_cl45_write(bp, phy,
  7720. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7721. 0xa001);
  7722. /* Set TX PreEmphasis if needed */
  7723. if ((params->feature_config_flags &
  7724. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7725. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7726. phy->tx_preemphasis[0],
  7727. phy->tx_preemphasis[1]);
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7730. phy->tx_preemphasis[0]);
  7731. bnx2x_cl45_write(bp, phy,
  7732. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7733. phy->tx_preemphasis[1]);
  7734. }
  7735. /*
  7736. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7737. * power mode, if TX Laser is disabled
  7738. */
  7739. tx_en_mode = REG_RD(bp, params->shmem_base +
  7740. offsetof(struct shmem_region,
  7741. dev_info.port_hw_config[params->port].sfp_ctrl))
  7742. & PORT_HW_CFG_TX_LASER_MASK;
  7743. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7744. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7745. bnx2x_cl45_read(bp, phy,
  7746. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7747. tmp2 |= 0x1000;
  7748. tmp2 &= 0xFFEF;
  7749. bnx2x_cl45_write(bp, phy,
  7750. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7751. }
  7752. return 0;
  7753. }
  7754. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7755. struct link_params *params)
  7756. {
  7757. struct bnx2x *bp = params->bp;
  7758. u16 mod_abs, rx_alarm_status;
  7759. u32 val = REG_RD(bp, params->shmem_base +
  7760. offsetof(struct shmem_region, dev_info.
  7761. port_feature_config[params->port].
  7762. config));
  7763. bnx2x_cl45_read(bp, phy,
  7764. MDIO_PMA_DEVAD,
  7765. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7766. if (mod_abs & (1<<8)) {
  7767. /* Module is absent */
  7768. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7769. "show module is absent\n");
  7770. phy->media_type = ETH_PHY_NOT_PRESENT;
  7771. /*
  7772. * 1. Set mod_abs to detect next module
  7773. * presence event
  7774. * 2. Set EDC off by setting OPTXLOS signal input to low
  7775. * (bit 9).
  7776. * When the EDC is off it locks onto a reference clock and
  7777. * avoids becoming 'lost'.
  7778. */
  7779. mod_abs &= ~(1<<8);
  7780. if (!(phy->flags & FLAGS_NOC))
  7781. mod_abs &= ~(1<<9);
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_PMA_DEVAD,
  7784. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7785. /*
  7786. * Clear RX alarm since it stays up as long as
  7787. * the mod_abs wasn't changed
  7788. */
  7789. bnx2x_cl45_read(bp, phy,
  7790. MDIO_PMA_DEVAD,
  7791. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7792. } else {
  7793. /* Module is present */
  7794. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7795. "show module is present\n");
  7796. /*
  7797. * First disable transmitter, and if the module is ok, the
  7798. * module_detection will enable it
  7799. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7800. * 2. Restore the default polarity of the OPRXLOS signal and
  7801. * this signal will then correctly indicate the presence or
  7802. * absence of the Rx signal. (bit 9)
  7803. */
  7804. mod_abs |= (1<<8);
  7805. if (!(phy->flags & FLAGS_NOC))
  7806. mod_abs |= (1<<9);
  7807. bnx2x_cl45_write(bp, phy,
  7808. MDIO_PMA_DEVAD,
  7809. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7810. /*
  7811. * Clear RX alarm since it stays up as long as the mod_abs
  7812. * wasn't changed. This is need to be done before calling the
  7813. * module detection, otherwise it will clear* the link update
  7814. * alarm
  7815. */
  7816. bnx2x_cl45_read(bp, phy,
  7817. MDIO_PMA_DEVAD,
  7818. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7819. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7820. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7821. bnx2x_sfp_set_transmitter(params, phy, 0);
  7822. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7823. bnx2x_sfp_module_detection(phy, params);
  7824. else
  7825. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7826. }
  7827. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7828. rx_alarm_status);
  7829. /* No need to check link status in case of module plugged in/out */
  7830. }
  7831. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7832. struct link_params *params,
  7833. struct link_vars *vars)
  7834. {
  7835. struct bnx2x *bp = params->bp;
  7836. u8 link_up = 0, oc_port = params->port;
  7837. u16 link_status = 0;
  7838. u16 rx_alarm_status, lasi_ctrl, val1;
  7839. /* If PHY is not initialized, do not check link status */
  7840. bnx2x_cl45_read(bp, phy,
  7841. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7842. &lasi_ctrl);
  7843. if (!lasi_ctrl)
  7844. return 0;
  7845. /* Check the LASI on Rx */
  7846. bnx2x_cl45_read(bp, phy,
  7847. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7848. &rx_alarm_status);
  7849. vars->line_speed = 0;
  7850. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7851. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7852. MDIO_PMA_LASI_TXCTRL);
  7853. bnx2x_cl45_read(bp, phy,
  7854. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7855. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7856. /* Clear MSG-OUT */
  7857. bnx2x_cl45_read(bp, phy,
  7858. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7859. /*
  7860. * If a module is present and there is need to check
  7861. * for over current
  7862. */
  7863. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7864. /* Check over-current using 8727 GPIO0 input*/
  7865. bnx2x_cl45_read(bp, phy,
  7866. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7867. &val1);
  7868. if ((val1 & (1<<8)) == 0) {
  7869. if (!CHIP_IS_E1x(bp))
  7870. oc_port = BP_PATH(bp) + (params->port << 1);
  7871. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7872. " on port %d\n", oc_port);
  7873. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7874. " been detected and the power to "
  7875. "that SFP+ module has been removed"
  7876. " to prevent failure of the card."
  7877. " Please remove the SFP+ module and"
  7878. " restart the system to clear this"
  7879. " error.\n",
  7880. oc_port);
  7881. /* Disable all RX_ALARMs except for mod_abs */
  7882. bnx2x_cl45_write(bp, phy,
  7883. MDIO_PMA_DEVAD,
  7884. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7885. bnx2x_cl45_read(bp, phy,
  7886. MDIO_PMA_DEVAD,
  7887. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7888. /* Wait for module_absent_event */
  7889. val1 |= (1<<8);
  7890. bnx2x_cl45_write(bp, phy,
  7891. MDIO_PMA_DEVAD,
  7892. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7893. /* Clear RX alarm */
  7894. bnx2x_cl45_read(bp, phy,
  7895. MDIO_PMA_DEVAD,
  7896. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7897. return 0;
  7898. }
  7899. } /* Over current check */
  7900. /* When module absent bit is set, check module */
  7901. if (rx_alarm_status & (1<<5)) {
  7902. bnx2x_8727_handle_mod_abs(phy, params);
  7903. /* Enable all mod_abs and link detection bits */
  7904. bnx2x_cl45_write(bp, phy,
  7905. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7906. ((1<<5) | (1<<2)));
  7907. }
  7908. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7909. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7910. /* If transmitter is disabled, ignore false link up indication */
  7911. bnx2x_cl45_read(bp, phy,
  7912. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7913. if (val1 & (1<<15)) {
  7914. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7915. return 0;
  7916. }
  7917. bnx2x_cl45_read(bp, phy,
  7918. MDIO_PMA_DEVAD,
  7919. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7920. /*
  7921. * Bits 0..2 --> speed detected,
  7922. * Bits 13..15--> link is down
  7923. */
  7924. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7925. link_up = 1;
  7926. vars->line_speed = SPEED_10000;
  7927. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7928. params->port);
  7929. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7930. link_up = 1;
  7931. vars->line_speed = SPEED_1000;
  7932. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7933. params->port);
  7934. } else {
  7935. link_up = 0;
  7936. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7937. params->port);
  7938. }
  7939. /* Capture 10G link fault. */
  7940. if (vars->line_speed == SPEED_10000) {
  7941. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7942. MDIO_PMA_LASI_TXSTAT, &val1);
  7943. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7944. MDIO_PMA_LASI_TXSTAT, &val1);
  7945. if (val1 & (1<<0)) {
  7946. vars->fault_detected = 1;
  7947. }
  7948. }
  7949. if (link_up) {
  7950. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7951. vars->duplex = DUPLEX_FULL;
  7952. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7953. }
  7954. if ((DUAL_MEDIA(params)) &&
  7955. (phy->req_line_speed == SPEED_1000)) {
  7956. bnx2x_cl45_read(bp, phy,
  7957. MDIO_PMA_DEVAD,
  7958. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7959. /*
  7960. * In case of dual-media board and 1G, power up the XAUI side,
  7961. * otherwise power it down. For 10G it is done automatically
  7962. */
  7963. if (link_up)
  7964. val1 &= ~(3<<10);
  7965. else
  7966. val1 |= (3<<10);
  7967. bnx2x_cl45_write(bp, phy,
  7968. MDIO_PMA_DEVAD,
  7969. MDIO_PMA_REG_8727_PCS_GP, val1);
  7970. }
  7971. return link_up;
  7972. }
  7973. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7974. struct link_params *params)
  7975. {
  7976. struct bnx2x *bp = params->bp;
  7977. /* Enable/Disable PHY transmitter output */
  7978. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  7979. /* Disable Transmitter */
  7980. bnx2x_sfp_set_transmitter(params, phy, 0);
  7981. /* Clear LASI */
  7982. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7983. }
  7984. /******************************************************************/
  7985. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7986. /******************************************************************/
  7987. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7988. struct link_params *params)
  7989. {
  7990. u16 val, fw_ver1, fw_ver2, cnt;
  7991. u8 port;
  7992. struct bnx2x *bp = params->bp;
  7993. port = params->port;
  7994. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7995. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7996. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7997. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7998. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7999. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8000. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8001. for (cnt = 0; cnt < 100; cnt++) {
  8002. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8003. if (val & 1)
  8004. break;
  8005. udelay(5);
  8006. }
  8007. if (cnt == 100) {
  8008. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8009. bnx2x_save_spirom_version(bp, port, 0,
  8010. phy->ver_addr);
  8011. return;
  8012. }
  8013. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8014. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8015. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8016. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8017. for (cnt = 0; cnt < 100; cnt++) {
  8018. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8019. if (val & 1)
  8020. break;
  8021. udelay(5);
  8022. }
  8023. if (cnt == 100) {
  8024. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8025. bnx2x_save_spirom_version(bp, port, 0,
  8026. phy->ver_addr);
  8027. return;
  8028. }
  8029. /* lower 16 bits of the register SPI_FW_STATUS */
  8030. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8031. /* upper 16 bits of register SPI_FW_STATUS */
  8032. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8033. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8034. phy->ver_addr);
  8035. }
  8036. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8037. struct bnx2x_phy *phy)
  8038. {
  8039. u16 val;
  8040. /* PHYC_CTL_LED_CTL */
  8041. bnx2x_cl45_read(bp, phy,
  8042. MDIO_PMA_DEVAD,
  8043. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8044. val &= 0xFE00;
  8045. val |= 0x0092;
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8049. bnx2x_cl45_write(bp, phy,
  8050. MDIO_PMA_DEVAD,
  8051. MDIO_PMA_REG_8481_LED1_MASK,
  8052. 0x80);
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_PMA_DEVAD,
  8055. MDIO_PMA_REG_8481_LED2_MASK,
  8056. 0x18);
  8057. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8058. bnx2x_cl45_write(bp, phy,
  8059. MDIO_PMA_DEVAD,
  8060. MDIO_PMA_REG_8481_LED3_MASK,
  8061. 0x0006);
  8062. /* Select the closest activity blink rate to that in 10/100/1000 */
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_PMA_DEVAD,
  8065. MDIO_PMA_REG_8481_LED3_BLINK,
  8066. 0);
  8067. bnx2x_cl45_read(bp, phy,
  8068. MDIO_PMA_DEVAD,
  8069. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8070. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8071. bnx2x_cl45_write(bp, phy,
  8072. MDIO_PMA_DEVAD,
  8073. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8074. /* 'Interrupt Mask' */
  8075. bnx2x_cl45_write(bp, phy,
  8076. MDIO_AN_DEVAD,
  8077. 0xFFFB, 0xFFFD);
  8078. }
  8079. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8080. struct link_params *params,
  8081. struct link_vars *vars)
  8082. {
  8083. struct bnx2x *bp = params->bp;
  8084. u16 autoneg_val, an_1000_val, an_10_100_val;
  8085. u16 tmp_req_line_speed;
  8086. tmp_req_line_speed = phy->req_line_speed;
  8087. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8088. if (phy->req_line_speed == SPEED_10000)
  8089. phy->req_line_speed = SPEED_AUTO_NEG;
  8090. /*
  8091. * This phy uses the NIG latch mechanism since link indication
  8092. * arrives through its LED4 and not via its LASI signal, so we
  8093. * get steady signal instead of clear on read
  8094. */
  8095. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8096. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8099. bnx2x_848xx_set_led(bp, phy);
  8100. /* set 1000 speed advertisement */
  8101. bnx2x_cl45_read(bp, phy,
  8102. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8103. &an_1000_val);
  8104. bnx2x_ext_phy_set_pause(params, phy, vars);
  8105. bnx2x_cl45_read(bp, phy,
  8106. MDIO_AN_DEVAD,
  8107. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8108. &an_10_100_val);
  8109. bnx2x_cl45_read(bp, phy,
  8110. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8111. &autoneg_val);
  8112. /* Disable forced speed */
  8113. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8114. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8115. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8116. (phy->speed_cap_mask &
  8117. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8118. (phy->req_line_speed == SPEED_1000)) {
  8119. an_1000_val |= (1<<8);
  8120. autoneg_val |= (1<<9 | 1<<12);
  8121. if (phy->req_duplex == DUPLEX_FULL)
  8122. an_1000_val |= (1<<9);
  8123. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8124. } else
  8125. an_1000_val &= ~((1<<8) | (1<<9));
  8126. bnx2x_cl45_write(bp, phy,
  8127. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8128. an_1000_val);
  8129. /* set 100 speed advertisement */
  8130. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8131. (phy->speed_cap_mask &
  8132. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8133. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8134. (phy->supported &
  8135. (SUPPORTED_100baseT_Half |
  8136. SUPPORTED_100baseT_Full)))) {
  8137. an_10_100_val |= (1<<7);
  8138. /* Enable autoneg and restart autoneg for legacy speeds */
  8139. autoneg_val |= (1<<9 | 1<<12);
  8140. if (phy->req_duplex == DUPLEX_FULL)
  8141. an_10_100_val |= (1<<8);
  8142. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8143. }
  8144. /* set 10 speed advertisement */
  8145. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8146. (phy->speed_cap_mask &
  8147. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8148. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8149. (phy->supported &
  8150. (SUPPORTED_10baseT_Half |
  8151. SUPPORTED_10baseT_Full)))) {
  8152. an_10_100_val |= (1<<5);
  8153. autoneg_val |= (1<<9 | 1<<12);
  8154. if (phy->req_duplex == DUPLEX_FULL)
  8155. an_10_100_val |= (1<<6);
  8156. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8157. }
  8158. /* Only 10/100 are allowed to work in FORCE mode */
  8159. if ((phy->req_line_speed == SPEED_100) &&
  8160. (phy->supported &
  8161. (SUPPORTED_100baseT_Half |
  8162. SUPPORTED_100baseT_Full))) {
  8163. autoneg_val |= (1<<13);
  8164. /* Enabled AUTO-MDIX when autoneg is disabled */
  8165. bnx2x_cl45_write(bp, phy,
  8166. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8167. (1<<15 | 1<<9 | 7<<0));
  8168. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8169. }
  8170. if ((phy->req_line_speed == SPEED_10) &&
  8171. (phy->supported &
  8172. (SUPPORTED_10baseT_Half |
  8173. SUPPORTED_10baseT_Full))) {
  8174. /* Enabled AUTO-MDIX when autoneg is disabled */
  8175. bnx2x_cl45_write(bp, phy,
  8176. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8177. (1<<15 | 1<<9 | 7<<0));
  8178. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8179. }
  8180. bnx2x_cl45_write(bp, phy,
  8181. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8182. an_10_100_val);
  8183. if (phy->req_duplex == DUPLEX_FULL)
  8184. autoneg_val |= (1<<8);
  8185. /*
  8186. * Always write this if this is not 84833.
  8187. * For 84833, write it only when it's a forced speed.
  8188. */
  8189. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8190. ((autoneg_val & (1<<12)) == 0))
  8191. bnx2x_cl45_write(bp, phy,
  8192. MDIO_AN_DEVAD,
  8193. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8194. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8195. (phy->speed_cap_mask &
  8196. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8197. (phy->req_line_speed == SPEED_10000)) {
  8198. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8199. /* Restart autoneg for 10G*/
  8200. bnx2x_cl45_write(bp, phy,
  8201. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8202. 0x3200);
  8203. } else
  8204. bnx2x_cl45_write(bp, phy,
  8205. MDIO_AN_DEVAD,
  8206. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8207. 1);
  8208. /* Save spirom version */
  8209. bnx2x_save_848xx_spirom_version(phy, params);
  8210. phy->req_line_speed = tmp_req_line_speed;
  8211. return 0;
  8212. }
  8213. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8214. struct link_params *params,
  8215. struct link_vars *vars)
  8216. {
  8217. struct bnx2x *bp = params->bp;
  8218. /* Restore normal power mode*/
  8219. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8220. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8221. /* HW reset */
  8222. bnx2x_ext_phy_hw_reset(bp, params->port);
  8223. bnx2x_wait_reset_complete(bp, phy, params);
  8224. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8225. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8226. }
  8227. #define PHY84833_HDSHK_WAIT 300
  8228. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8229. struct link_params *params,
  8230. struct link_vars *vars)
  8231. {
  8232. u32 idx;
  8233. u32 pair_swap;
  8234. u16 val;
  8235. u16 data;
  8236. struct bnx2x *bp = params->bp;
  8237. /* Do pair swap */
  8238. /* Check for configuration. */
  8239. pair_swap = REG_RD(bp, params->shmem_base +
  8240. offsetof(struct shmem_region,
  8241. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8242. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8243. if (pair_swap == 0)
  8244. return 0;
  8245. data = (u16)pair_swap;
  8246. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8247. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8248. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8249. PHY84833_CMD_OPEN_OVERRIDE);
  8250. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8251. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8252. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8253. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8254. break;
  8255. msleep(1);
  8256. }
  8257. if (idx >= PHY84833_HDSHK_WAIT) {
  8258. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8259. return -EINVAL;
  8260. }
  8261. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8262. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8263. data);
  8264. /* Issue pair swap command */
  8265. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8266. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8267. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8268. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8269. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8270. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8271. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8272. (val == PHY84833_CMD_COMPLETE_ERROR))
  8273. break;
  8274. msleep(1);
  8275. }
  8276. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8277. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8278. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8279. return -EINVAL;
  8280. }
  8281. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8282. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8283. PHY84833_CMD_CLEAR_COMPLETE);
  8284. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8285. return 0;
  8286. }
  8287. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8288. u32 shmem_base_path[],
  8289. u32 chip_id)
  8290. {
  8291. u32 reset_pin[2];
  8292. u32 idx;
  8293. u8 reset_gpios;
  8294. if (CHIP_IS_E3(bp)) {
  8295. /* Assume that these will be GPIOs, not EPIOs. */
  8296. for (idx = 0; idx < 2; idx++) {
  8297. /* Map config param to register bit. */
  8298. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8299. offsetof(struct shmem_region,
  8300. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8301. reset_pin[idx] = (reset_pin[idx] &
  8302. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8303. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8304. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8305. reset_pin[idx] = (1 << reset_pin[idx]);
  8306. }
  8307. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8308. } else {
  8309. /* E2, look from diff place of shmem. */
  8310. for (idx = 0; idx < 2; idx++) {
  8311. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8312. offsetof(struct shmem_region,
  8313. dev_info.port_hw_config[0].default_cfg));
  8314. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8315. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8316. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8317. reset_pin[idx] = (1 << reset_pin[idx]);
  8318. }
  8319. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8320. }
  8321. return reset_gpios;
  8322. }
  8323. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8324. struct link_params *params)
  8325. {
  8326. struct bnx2x *bp = params->bp;
  8327. u8 reset_gpios;
  8328. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8329. offsetof(struct shmem2_region,
  8330. other_shmem_base_addr));
  8331. u32 shmem_base_path[2];
  8332. shmem_base_path[0] = params->shmem_base;
  8333. shmem_base_path[1] = other_shmem_base_addr;
  8334. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8335. params->chip_id);
  8336. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8337. udelay(10);
  8338. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8339. reset_gpios);
  8340. return 0;
  8341. }
  8342. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8343. u32 shmem_base_path[],
  8344. u32 chip_id)
  8345. {
  8346. u8 reset_gpios;
  8347. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8348. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8349. udelay(10);
  8350. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8351. msleep(800);
  8352. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8353. reset_gpios);
  8354. return 0;
  8355. }
  8356. #define PHY84833_CONSTANT_LATENCY 1193
  8357. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8358. struct link_params *params,
  8359. struct link_vars *vars)
  8360. {
  8361. struct bnx2x *bp = params->bp;
  8362. u8 port, initialize = 1;
  8363. u16 val;
  8364. u16 temp;
  8365. u32 actual_phy_selection, cms_enable, idx;
  8366. int rc = 0;
  8367. msleep(1);
  8368. if (!(CHIP_IS_E1(bp)))
  8369. port = BP_PATH(bp);
  8370. else
  8371. port = params->port;
  8372. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8373. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8374. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8375. port);
  8376. } else {
  8377. /* MDIO reset */
  8378. bnx2x_cl45_write(bp, phy,
  8379. MDIO_PMA_DEVAD,
  8380. MDIO_PMA_REG_CTRL, 0x8000);
  8381. /* Bring PHY out of super isolate mode */
  8382. bnx2x_cl45_read(bp, phy,
  8383. MDIO_CTL_DEVAD,
  8384. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8385. val &= ~MDIO_84833_SUPER_ISOLATE;
  8386. bnx2x_cl45_write(bp, phy,
  8387. MDIO_CTL_DEVAD,
  8388. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8389. }
  8390. bnx2x_wait_reset_complete(bp, phy, params);
  8391. /* Wait for GPHY to come out of reset */
  8392. msleep(50);
  8393. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8394. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8395. /*
  8396. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8397. */
  8398. temp = vars->line_speed;
  8399. vars->line_speed = SPEED_10000;
  8400. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8401. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8402. vars->line_speed = temp;
  8403. /* Set dual-media configuration according to configuration */
  8404. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8405. MDIO_CTL_REG_84823_MEDIA, &val);
  8406. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8407. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8408. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8409. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8410. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8411. if (CHIP_IS_E3(bp)) {
  8412. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8413. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8414. } else {
  8415. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8416. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8417. }
  8418. actual_phy_selection = bnx2x_phy_selection(params);
  8419. switch (actual_phy_selection) {
  8420. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8421. /* Do nothing. Essentially this is like the priority copper */
  8422. break;
  8423. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8424. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8425. break;
  8426. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8427. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8428. break;
  8429. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8430. /* Do nothing here. The first PHY won't be initialized at all */
  8431. break;
  8432. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8433. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8434. initialize = 0;
  8435. break;
  8436. }
  8437. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8438. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8439. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8440. MDIO_CTL_REG_84823_MEDIA, val);
  8441. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8442. params->multi_phy_config, val);
  8443. /* AutogrEEEn */
  8444. if (params->feature_config_flags &
  8445. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8446. /* Ensure that f/w is ready */
  8447. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8448. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8449. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8450. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8451. break;
  8452. usleep_range(1000, 1000);
  8453. }
  8454. if (idx >= PHY84833_HDSHK_WAIT) {
  8455. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8456. return -EINVAL;
  8457. }
  8458. /* Select EEE mode */
  8459. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8460. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8461. 0x2);
  8462. /* Set Idle and Latency */
  8463. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8464. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8465. PHY84833_CONSTANT_LATENCY + 1);
  8466. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8467. MDIO_84833_TOP_CFG_DATA3_REG,
  8468. PHY84833_CONSTANT_LATENCY + 1);
  8469. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8470. MDIO_84833_TOP_CFG_DATA4_REG,
  8471. PHY84833_CONSTANT_LATENCY);
  8472. /* Send EEE instruction to command register */
  8473. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8474. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8475. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8476. /* Ensure that the command has completed */
  8477. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8478. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8479. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8480. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8481. (val == PHY84833_CMD_COMPLETE_ERROR))
  8482. break;
  8483. usleep_range(1000, 1000);
  8484. }
  8485. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8486. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8487. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8488. return -EINVAL;
  8489. }
  8490. /* Reset command handler */
  8491. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8492. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8493. PHY84833_CMD_CLEAR_COMPLETE);
  8494. }
  8495. if (initialize)
  8496. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8497. else
  8498. bnx2x_save_848xx_spirom_version(phy, params);
  8499. /* 84833 PHY has a better feature and doesn't need to support this. */
  8500. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8501. cms_enable = REG_RD(bp, params->shmem_base +
  8502. offsetof(struct shmem_region,
  8503. dev_info.port_hw_config[params->port].default_cfg)) &
  8504. PORT_HW_CFG_ENABLE_CMS_MASK;
  8505. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8506. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8507. if (cms_enable)
  8508. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8509. else
  8510. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8511. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8512. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8513. }
  8514. return rc;
  8515. }
  8516. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8517. struct link_params *params,
  8518. struct link_vars *vars)
  8519. {
  8520. struct bnx2x *bp = params->bp;
  8521. u16 val, val1, val2;
  8522. u8 link_up = 0;
  8523. /* Check 10G-BaseT link status */
  8524. /* Check PMD signal ok */
  8525. bnx2x_cl45_read(bp, phy,
  8526. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8527. bnx2x_cl45_read(bp, phy,
  8528. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8529. &val2);
  8530. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8531. /* Check link 10G */
  8532. if (val2 & (1<<11)) {
  8533. vars->line_speed = SPEED_10000;
  8534. vars->duplex = DUPLEX_FULL;
  8535. link_up = 1;
  8536. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8537. } else { /* Check Legacy speed link */
  8538. u16 legacy_status, legacy_speed;
  8539. /* Enable expansion register 0x42 (Operation mode status) */
  8540. bnx2x_cl45_write(bp, phy,
  8541. MDIO_AN_DEVAD,
  8542. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8543. /* Get legacy speed operation status */
  8544. bnx2x_cl45_read(bp, phy,
  8545. MDIO_AN_DEVAD,
  8546. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8547. &legacy_status);
  8548. DP(NETIF_MSG_LINK, "Legacy speed status"
  8549. " = 0x%x\n", legacy_status);
  8550. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8551. if (link_up) {
  8552. legacy_speed = (legacy_status & (3<<9));
  8553. if (legacy_speed == (0<<9))
  8554. vars->line_speed = SPEED_10;
  8555. else if (legacy_speed == (1<<9))
  8556. vars->line_speed = SPEED_100;
  8557. else if (legacy_speed == (2<<9))
  8558. vars->line_speed = SPEED_1000;
  8559. else /* Should not happen */
  8560. vars->line_speed = 0;
  8561. if (legacy_status & (1<<8))
  8562. vars->duplex = DUPLEX_FULL;
  8563. else
  8564. vars->duplex = DUPLEX_HALF;
  8565. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8566. " is_duplex_full= %d\n", vars->line_speed,
  8567. (vars->duplex == DUPLEX_FULL));
  8568. /* Check legacy speed AN resolution */
  8569. bnx2x_cl45_read(bp, phy,
  8570. MDIO_AN_DEVAD,
  8571. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8572. &val);
  8573. if (val & (1<<5))
  8574. vars->link_status |=
  8575. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8576. bnx2x_cl45_read(bp, phy,
  8577. MDIO_AN_DEVAD,
  8578. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8579. &val);
  8580. if ((val & (1<<0)) == 0)
  8581. vars->link_status |=
  8582. LINK_STATUS_PARALLEL_DETECTION_USED;
  8583. }
  8584. }
  8585. if (link_up) {
  8586. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8587. vars->line_speed);
  8588. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8589. }
  8590. return link_up;
  8591. }
  8592. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8593. {
  8594. int status = 0;
  8595. u32 spirom_ver;
  8596. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8597. status = bnx2x_format_ver(spirom_ver, str, len);
  8598. return status;
  8599. }
  8600. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8601. struct link_params *params)
  8602. {
  8603. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8604. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8605. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8606. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8607. }
  8608. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8609. struct link_params *params)
  8610. {
  8611. bnx2x_cl45_write(params->bp, phy,
  8612. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8613. bnx2x_cl45_write(params->bp, phy,
  8614. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8615. }
  8616. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8617. struct link_params *params)
  8618. {
  8619. struct bnx2x *bp = params->bp;
  8620. u8 port;
  8621. u16 val16;
  8622. if (!(CHIP_IS_E1(bp)))
  8623. port = BP_PATH(bp);
  8624. else
  8625. port = params->port;
  8626. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8627. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8628. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8629. port);
  8630. } else {
  8631. bnx2x_cl45_read(bp, phy,
  8632. MDIO_CTL_DEVAD,
  8633. 0x400f, &val16);
  8634. bnx2x_cl45_write(bp, phy,
  8635. MDIO_PMA_DEVAD,
  8636. MDIO_PMA_REG_CTRL, 0x800);
  8637. }
  8638. }
  8639. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8640. struct link_params *params, u8 mode)
  8641. {
  8642. struct bnx2x *bp = params->bp;
  8643. u16 val;
  8644. u8 port;
  8645. if (!(CHIP_IS_E1(bp)))
  8646. port = BP_PATH(bp);
  8647. else
  8648. port = params->port;
  8649. switch (mode) {
  8650. case LED_MODE_OFF:
  8651. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8652. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8653. SHARED_HW_CFG_LED_EXTPHY1) {
  8654. /* Set LED masks */
  8655. bnx2x_cl45_write(bp, phy,
  8656. MDIO_PMA_DEVAD,
  8657. MDIO_PMA_REG_8481_LED1_MASK,
  8658. 0x0);
  8659. bnx2x_cl45_write(bp, phy,
  8660. MDIO_PMA_DEVAD,
  8661. MDIO_PMA_REG_8481_LED2_MASK,
  8662. 0x0);
  8663. bnx2x_cl45_write(bp, phy,
  8664. MDIO_PMA_DEVAD,
  8665. MDIO_PMA_REG_8481_LED3_MASK,
  8666. 0x0);
  8667. bnx2x_cl45_write(bp, phy,
  8668. MDIO_PMA_DEVAD,
  8669. MDIO_PMA_REG_8481_LED5_MASK,
  8670. 0x0);
  8671. } else {
  8672. bnx2x_cl45_write(bp, phy,
  8673. MDIO_PMA_DEVAD,
  8674. MDIO_PMA_REG_8481_LED1_MASK,
  8675. 0x0);
  8676. }
  8677. break;
  8678. case LED_MODE_FRONT_PANEL_OFF:
  8679. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8680. port);
  8681. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8682. SHARED_HW_CFG_LED_EXTPHY1) {
  8683. /* Set LED masks */
  8684. bnx2x_cl45_write(bp, phy,
  8685. MDIO_PMA_DEVAD,
  8686. MDIO_PMA_REG_8481_LED1_MASK,
  8687. 0x0);
  8688. bnx2x_cl45_write(bp, phy,
  8689. MDIO_PMA_DEVAD,
  8690. MDIO_PMA_REG_8481_LED2_MASK,
  8691. 0x0);
  8692. bnx2x_cl45_write(bp, phy,
  8693. MDIO_PMA_DEVAD,
  8694. MDIO_PMA_REG_8481_LED3_MASK,
  8695. 0x0);
  8696. bnx2x_cl45_write(bp, phy,
  8697. MDIO_PMA_DEVAD,
  8698. MDIO_PMA_REG_8481_LED5_MASK,
  8699. 0x20);
  8700. } else {
  8701. bnx2x_cl45_write(bp, phy,
  8702. MDIO_PMA_DEVAD,
  8703. MDIO_PMA_REG_8481_LED1_MASK,
  8704. 0x0);
  8705. }
  8706. break;
  8707. case LED_MODE_ON:
  8708. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8709. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8710. SHARED_HW_CFG_LED_EXTPHY1) {
  8711. /* Set control reg */
  8712. bnx2x_cl45_read(bp, phy,
  8713. MDIO_PMA_DEVAD,
  8714. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8715. &val);
  8716. val &= 0x8000;
  8717. val |= 0x2492;
  8718. bnx2x_cl45_write(bp, phy,
  8719. MDIO_PMA_DEVAD,
  8720. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8721. val);
  8722. /* Set LED masks */
  8723. bnx2x_cl45_write(bp, phy,
  8724. MDIO_PMA_DEVAD,
  8725. MDIO_PMA_REG_8481_LED1_MASK,
  8726. 0x0);
  8727. bnx2x_cl45_write(bp, phy,
  8728. MDIO_PMA_DEVAD,
  8729. MDIO_PMA_REG_8481_LED2_MASK,
  8730. 0x20);
  8731. bnx2x_cl45_write(bp, phy,
  8732. MDIO_PMA_DEVAD,
  8733. MDIO_PMA_REG_8481_LED3_MASK,
  8734. 0x20);
  8735. bnx2x_cl45_write(bp, phy,
  8736. MDIO_PMA_DEVAD,
  8737. MDIO_PMA_REG_8481_LED5_MASK,
  8738. 0x0);
  8739. } else {
  8740. bnx2x_cl45_write(bp, phy,
  8741. MDIO_PMA_DEVAD,
  8742. MDIO_PMA_REG_8481_LED1_MASK,
  8743. 0x20);
  8744. }
  8745. break;
  8746. case LED_MODE_OPER:
  8747. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8748. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8749. SHARED_HW_CFG_LED_EXTPHY1) {
  8750. /* Set control reg */
  8751. bnx2x_cl45_read(bp, phy,
  8752. MDIO_PMA_DEVAD,
  8753. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8754. &val);
  8755. if (!((val &
  8756. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8757. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8758. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8759. bnx2x_cl45_write(bp, phy,
  8760. MDIO_PMA_DEVAD,
  8761. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8762. 0xa492);
  8763. }
  8764. /* Set LED masks */
  8765. bnx2x_cl45_write(bp, phy,
  8766. MDIO_PMA_DEVAD,
  8767. MDIO_PMA_REG_8481_LED1_MASK,
  8768. 0x10);
  8769. bnx2x_cl45_write(bp, phy,
  8770. MDIO_PMA_DEVAD,
  8771. MDIO_PMA_REG_8481_LED2_MASK,
  8772. 0x80);
  8773. bnx2x_cl45_write(bp, phy,
  8774. MDIO_PMA_DEVAD,
  8775. MDIO_PMA_REG_8481_LED3_MASK,
  8776. 0x98);
  8777. bnx2x_cl45_write(bp, phy,
  8778. MDIO_PMA_DEVAD,
  8779. MDIO_PMA_REG_8481_LED5_MASK,
  8780. 0x40);
  8781. } else {
  8782. bnx2x_cl45_write(bp, phy,
  8783. MDIO_PMA_DEVAD,
  8784. MDIO_PMA_REG_8481_LED1_MASK,
  8785. 0x80);
  8786. /* Tell LED3 to blink on source */
  8787. bnx2x_cl45_read(bp, phy,
  8788. MDIO_PMA_DEVAD,
  8789. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8790. &val);
  8791. val &= ~(7<<6);
  8792. val |= (1<<6); /* A83B[8:6]= 1 */
  8793. bnx2x_cl45_write(bp, phy,
  8794. MDIO_PMA_DEVAD,
  8795. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8796. val);
  8797. }
  8798. break;
  8799. }
  8800. /*
  8801. * This is a workaround for E3+84833 until autoneg
  8802. * restart is fixed in f/w
  8803. */
  8804. if (CHIP_IS_E3(bp)) {
  8805. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8806. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8807. }
  8808. }
  8809. /******************************************************************/
  8810. /* 54618SE PHY SECTION */
  8811. /******************************************************************/
  8812. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8813. struct link_params *params,
  8814. struct link_vars *vars)
  8815. {
  8816. struct bnx2x *bp = params->bp;
  8817. u8 port;
  8818. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8819. u32 cfg_pin;
  8820. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8821. usleep_range(1000, 1000);
  8822. /* This works with E3 only, no need to check the chip
  8823. before determining the port. */
  8824. port = params->port;
  8825. cfg_pin = (REG_RD(bp, params->shmem_base +
  8826. offsetof(struct shmem_region,
  8827. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8828. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8829. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8830. /* Drive pin high to bring the GPHY out of reset. */
  8831. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8832. /* wait for GPHY to reset */
  8833. msleep(50);
  8834. /* reset phy */
  8835. bnx2x_cl22_write(bp, phy,
  8836. MDIO_PMA_REG_CTRL, 0x8000);
  8837. bnx2x_wait_reset_complete(bp, phy, params);
  8838. /*wait for GPHY to reset */
  8839. msleep(50);
  8840. /* Configure LED4: set to INTR (0x6). */
  8841. /* Accessing shadow register 0xe. */
  8842. bnx2x_cl22_write(bp, phy,
  8843. MDIO_REG_GPHY_SHADOW,
  8844. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8845. bnx2x_cl22_read(bp, phy,
  8846. MDIO_REG_GPHY_SHADOW,
  8847. &temp);
  8848. temp &= ~(0xf << 4);
  8849. temp |= (0x6 << 4);
  8850. bnx2x_cl22_write(bp, phy,
  8851. MDIO_REG_GPHY_SHADOW,
  8852. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8853. /* Configure INTR based on link status change. */
  8854. bnx2x_cl22_write(bp, phy,
  8855. MDIO_REG_INTR_MASK,
  8856. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8857. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8858. bnx2x_cl22_write(bp, phy,
  8859. MDIO_REG_GPHY_SHADOW,
  8860. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8861. bnx2x_cl22_read(bp, phy,
  8862. MDIO_REG_GPHY_SHADOW,
  8863. &temp);
  8864. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8865. bnx2x_cl22_write(bp, phy,
  8866. MDIO_REG_GPHY_SHADOW,
  8867. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8868. /* Set up fc */
  8869. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8870. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8871. fc_val = 0;
  8872. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8873. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8874. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8875. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8876. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8877. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8878. /* read all advertisement */
  8879. bnx2x_cl22_read(bp, phy,
  8880. 0x09,
  8881. &an_1000_val);
  8882. bnx2x_cl22_read(bp, phy,
  8883. 0x04,
  8884. &an_10_100_val);
  8885. bnx2x_cl22_read(bp, phy,
  8886. MDIO_PMA_REG_CTRL,
  8887. &autoneg_val);
  8888. /* Disable forced speed */
  8889. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8890. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8891. (1<<11));
  8892. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8893. (phy->speed_cap_mask &
  8894. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8895. (phy->req_line_speed == SPEED_1000)) {
  8896. an_1000_val |= (1<<8);
  8897. autoneg_val |= (1<<9 | 1<<12);
  8898. if (phy->req_duplex == DUPLEX_FULL)
  8899. an_1000_val |= (1<<9);
  8900. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8901. } else
  8902. an_1000_val &= ~((1<<8) | (1<<9));
  8903. bnx2x_cl22_write(bp, phy,
  8904. 0x09,
  8905. an_1000_val);
  8906. bnx2x_cl22_read(bp, phy,
  8907. 0x09,
  8908. &an_1000_val);
  8909. /* set 100 speed advertisement */
  8910. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8911. (phy->speed_cap_mask &
  8912. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8913. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8914. an_10_100_val |= (1<<7);
  8915. /* Enable autoneg and restart autoneg for legacy speeds */
  8916. autoneg_val |= (1<<9 | 1<<12);
  8917. if (phy->req_duplex == DUPLEX_FULL)
  8918. an_10_100_val |= (1<<8);
  8919. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8920. }
  8921. /* set 10 speed advertisement */
  8922. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8923. (phy->speed_cap_mask &
  8924. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8925. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8926. an_10_100_val |= (1<<5);
  8927. autoneg_val |= (1<<9 | 1<<12);
  8928. if (phy->req_duplex == DUPLEX_FULL)
  8929. an_10_100_val |= (1<<6);
  8930. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8931. }
  8932. /* Only 10/100 are allowed to work in FORCE mode */
  8933. if (phy->req_line_speed == SPEED_100) {
  8934. autoneg_val |= (1<<13);
  8935. /* Enabled AUTO-MDIX when autoneg is disabled */
  8936. bnx2x_cl22_write(bp, phy,
  8937. 0x18,
  8938. (1<<15 | 1<<9 | 7<<0));
  8939. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8940. }
  8941. if (phy->req_line_speed == SPEED_10) {
  8942. /* Enabled AUTO-MDIX when autoneg is disabled */
  8943. bnx2x_cl22_write(bp, phy,
  8944. 0x18,
  8945. (1<<15 | 1<<9 | 7<<0));
  8946. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8947. }
  8948. /* Check if we should turn on Auto-GrEEEn */
  8949. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  8950. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  8951. if (params->feature_config_flags &
  8952. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8953. temp = 6;
  8954. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  8955. } else {
  8956. temp = 0;
  8957. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  8958. }
  8959. bnx2x_cl22_write(bp, phy,
  8960. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  8961. bnx2x_cl22_write(bp, phy,
  8962. MDIO_REG_GPHY_CL45_DATA_REG,
  8963. MDIO_REG_GPHY_EEE_ADV);
  8964. bnx2x_cl22_write(bp, phy,
  8965. MDIO_REG_GPHY_CL45_ADDR_REG,
  8966. (0x1 << 14) | MDIO_AN_DEVAD);
  8967. bnx2x_cl22_write(bp, phy,
  8968. MDIO_REG_GPHY_CL45_DATA_REG,
  8969. temp);
  8970. }
  8971. bnx2x_cl22_write(bp, phy,
  8972. 0x04,
  8973. an_10_100_val | fc_val);
  8974. if (phy->req_duplex == DUPLEX_FULL)
  8975. autoneg_val |= (1<<8);
  8976. bnx2x_cl22_write(bp, phy,
  8977. MDIO_PMA_REG_CTRL, autoneg_val);
  8978. return 0;
  8979. }
  8980. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  8981. struct link_params *params, u8 mode)
  8982. {
  8983. struct bnx2x *bp = params->bp;
  8984. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  8985. switch (mode) {
  8986. case LED_MODE_FRONT_PANEL_OFF:
  8987. case LED_MODE_OFF:
  8988. case LED_MODE_OPER:
  8989. case LED_MODE_ON:
  8990. default:
  8991. break;
  8992. }
  8993. return;
  8994. }
  8995. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  8996. struct link_params *params)
  8997. {
  8998. struct bnx2x *bp = params->bp;
  8999. u32 cfg_pin;
  9000. u8 port;
  9001. /*
  9002. * In case of no EPIO routed to reset the GPHY, put it
  9003. * in low power mode.
  9004. */
  9005. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9006. /*
  9007. * This works with E3 only, no need to check the chip
  9008. * before determining the port.
  9009. */
  9010. port = params->port;
  9011. cfg_pin = (REG_RD(bp, params->shmem_base +
  9012. offsetof(struct shmem_region,
  9013. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9014. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9015. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9016. /* Drive pin low to put GPHY in reset. */
  9017. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9018. }
  9019. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9020. struct link_params *params,
  9021. struct link_vars *vars)
  9022. {
  9023. struct bnx2x *bp = params->bp;
  9024. u16 val;
  9025. u8 link_up = 0;
  9026. u16 legacy_status, legacy_speed;
  9027. /* Get speed operation status */
  9028. bnx2x_cl22_read(bp, phy,
  9029. 0x19,
  9030. &legacy_status);
  9031. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9032. /* Read status to clear the PHY interrupt. */
  9033. bnx2x_cl22_read(bp, phy,
  9034. MDIO_REG_INTR_STATUS,
  9035. &val);
  9036. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9037. if (link_up) {
  9038. legacy_speed = (legacy_status & (7<<8));
  9039. if (legacy_speed == (7<<8)) {
  9040. vars->line_speed = SPEED_1000;
  9041. vars->duplex = DUPLEX_FULL;
  9042. } else if (legacy_speed == (6<<8)) {
  9043. vars->line_speed = SPEED_1000;
  9044. vars->duplex = DUPLEX_HALF;
  9045. } else if (legacy_speed == (5<<8)) {
  9046. vars->line_speed = SPEED_100;
  9047. vars->duplex = DUPLEX_FULL;
  9048. }
  9049. /* Omitting 100Base-T4 for now */
  9050. else if (legacy_speed == (3<<8)) {
  9051. vars->line_speed = SPEED_100;
  9052. vars->duplex = DUPLEX_HALF;
  9053. } else if (legacy_speed == (2<<8)) {
  9054. vars->line_speed = SPEED_10;
  9055. vars->duplex = DUPLEX_FULL;
  9056. } else if (legacy_speed == (1<<8)) {
  9057. vars->line_speed = SPEED_10;
  9058. vars->duplex = DUPLEX_HALF;
  9059. } else /* Should not happen */
  9060. vars->line_speed = 0;
  9061. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  9062. " is_duplex_full= %d\n", vars->line_speed,
  9063. (vars->duplex == DUPLEX_FULL));
  9064. /* Check legacy speed AN resolution */
  9065. bnx2x_cl22_read(bp, phy,
  9066. 0x01,
  9067. &val);
  9068. if (val & (1<<5))
  9069. vars->link_status |=
  9070. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9071. bnx2x_cl22_read(bp, phy,
  9072. 0x06,
  9073. &val);
  9074. if ((val & (1<<0)) == 0)
  9075. vars->link_status |=
  9076. LINK_STATUS_PARALLEL_DETECTION_USED;
  9077. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9078. vars->line_speed);
  9079. /* Report whether EEE is resolved. */
  9080. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9081. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9082. if (vars->link_status &
  9083. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9084. val = 0;
  9085. else {
  9086. bnx2x_cl22_write(bp, phy,
  9087. MDIO_REG_GPHY_CL45_ADDR_REG,
  9088. MDIO_AN_DEVAD);
  9089. bnx2x_cl22_write(bp, phy,
  9090. MDIO_REG_GPHY_CL45_DATA_REG,
  9091. MDIO_REG_GPHY_EEE_RESOLVED);
  9092. bnx2x_cl22_write(bp, phy,
  9093. MDIO_REG_GPHY_CL45_ADDR_REG,
  9094. (0x1 << 14) | MDIO_AN_DEVAD);
  9095. bnx2x_cl22_read(bp, phy,
  9096. MDIO_REG_GPHY_CL45_DATA_REG,
  9097. &val);
  9098. }
  9099. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9100. }
  9101. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9102. }
  9103. return link_up;
  9104. }
  9105. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9106. struct link_params *params)
  9107. {
  9108. struct bnx2x *bp = params->bp;
  9109. u16 val;
  9110. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9111. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9112. /* Enable master/slave manual mmode and set to master */
  9113. /* mii write 9 [bits set 11 12] */
  9114. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9115. /* forced 1G and disable autoneg */
  9116. /* set val [mii read 0] */
  9117. /* set val [expr $val & [bits clear 6 12 13]] */
  9118. /* set val [expr $val | [bits set 6 8]] */
  9119. /* mii write 0 $val */
  9120. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9121. val &= ~((1<<6) | (1<<12) | (1<<13));
  9122. val |= (1<<6) | (1<<8);
  9123. bnx2x_cl22_write(bp, phy, 0x00, val);
  9124. /* Set external loopback and Tx using 6dB coding */
  9125. /* mii write 0x18 7 */
  9126. /* set val [mii read 0x18] */
  9127. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9128. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9129. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9130. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9131. /* This register opens the gate for the UMAC despite its name */
  9132. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9133. /*
  9134. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9135. * length used by the MAC receive logic to check frames.
  9136. */
  9137. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9138. }
  9139. /******************************************************************/
  9140. /* SFX7101 PHY SECTION */
  9141. /******************************************************************/
  9142. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9143. struct link_params *params)
  9144. {
  9145. struct bnx2x *bp = params->bp;
  9146. /* SFX7101_XGXS_TEST1 */
  9147. bnx2x_cl45_write(bp, phy,
  9148. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9149. }
  9150. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9151. struct link_params *params,
  9152. struct link_vars *vars)
  9153. {
  9154. u16 fw_ver1, fw_ver2, val;
  9155. struct bnx2x *bp = params->bp;
  9156. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9157. /* Restore normal power mode*/
  9158. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9159. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9160. /* HW reset */
  9161. bnx2x_ext_phy_hw_reset(bp, params->port);
  9162. bnx2x_wait_reset_complete(bp, phy, params);
  9163. bnx2x_cl45_write(bp, phy,
  9164. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9165. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9166. bnx2x_cl45_write(bp, phy,
  9167. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9168. bnx2x_ext_phy_set_pause(params, phy, vars);
  9169. /* Restart autoneg */
  9170. bnx2x_cl45_read(bp, phy,
  9171. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9172. val |= 0x200;
  9173. bnx2x_cl45_write(bp, phy,
  9174. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9175. /* Save spirom version */
  9176. bnx2x_cl45_read(bp, phy,
  9177. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9178. bnx2x_cl45_read(bp, phy,
  9179. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9180. bnx2x_save_spirom_version(bp, params->port,
  9181. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9182. return 0;
  9183. }
  9184. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9185. struct link_params *params,
  9186. struct link_vars *vars)
  9187. {
  9188. struct bnx2x *bp = params->bp;
  9189. u8 link_up;
  9190. u16 val1, val2;
  9191. bnx2x_cl45_read(bp, phy,
  9192. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9193. bnx2x_cl45_read(bp, phy,
  9194. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9195. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9196. val2, val1);
  9197. bnx2x_cl45_read(bp, phy,
  9198. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9199. bnx2x_cl45_read(bp, phy,
  9200. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9201. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9202. val2, val1);
  9203. link_up = ((val1 & 4) == 4);
  9204. /* if link is up print the AN outcome of the SFX7101 PHY */
  9205. if (link_up) {
  9206. bnx2x_cl45_read(bp, phy,
  9207. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9208. &val2);
  9209. vars->line_speed = SPEED_10000;
  9210. vars->duplex = DUPLEX_FULL;
  9211. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9212. val2, (val2 & (1<<14)));
  9213. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9214. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9215. }
  9216. return link_up;
  9217. }
  9218. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9219. {
  9220. if (*len < 5)
  9221. return -EINVAL;
  9222. str[0] = (spirom_ver & 0xFF);
  9223. str[1] = (spirom_ver & 0xFF00) >> 8;
  9224. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9225. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9226. str[4] = '\0';
  9227. *len -= 5;
  9228. return 0;
  9229. }
  9230. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9231. {
  9232. u16 val, cnt;
  9233. bnx2x_cl45_read(bp, phy,
  9234. MDIO_PMA_DEVAD,
  9235. MDIO_PMA_REG_7101_RESET, &val);
  9236. for (cnt = 0; cnt < 10; cnt++) {
  9237. msleep(50);
  9238. /* Writes a self-clearing reset */
  9239. bnx2x_cl45_write(bp, phy,
  9240. MDIO_PMA_DEVAD,
  9241. MDIO_PMA_REG_7101_RESET,
  9242. (val | (1<<15)));
  9243. /* Wait for clear */
  9244. bnx2x_cl45_read(bp, phy,
  9245. MDIO_PMA_DEVAD,
  9246. MDIO_PMA_REG_7101_RESET, &val);
  9247. if ((val & (1<<15)) == 0)
  9248. break;
  9249. }
  9250. }
  9251. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9252. struct link_params *params) {
  9253. /* Low power mode is controlled by GPIO 2 */
  9254. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9255. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9256. /* The PHY reset is controlled by GPIO 1 */
  9257. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9258. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9259. }
  9260. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9261. struct link_params *params, u8 mode)
  9262. {
  9263. u16 val = 0;
  9264. struct bnx2x *bp = params->bp;
  9265. switch (mode) {
  9266. case LED_MODE_FRONT_PANEL_OFF:
  9267. case LED_MODE_OFF:
  9268. val = 2;
  9269. break;
  9270. case LED_MODE_ON:
  9271. val = 1;
  9272. break;
  9273. case LED_MODE_OPER:
  9274. val = 0;
  9275. break;
  9276. }
  9277. bnx2x_cl45_write(bp, phy,
  9278. MDIO_PMA_DEVAD,
  9279. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9280. val);
  9281. }
  9282. /******************************************************************/
  9283. /* STATIC PHY DECLARATION */
  9284. /******************************************************************/
  9285. static struct bnx2x_phy phy_null = {
  9286. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9287. .addr = 0,
  9288. .def_md_devad = 0,
  9289. .flags = FLAGS_INIT_XGXS_FIRST,
  9290. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9291. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9292. .mdio_ctrl = 0,
  9293. .supported = 0,
  9294. .media_type = ETH_PHY_NOT_PRESENT,
  9295. .ver_addr = 0,
  9296. .req_flow_ctrl = 0,
  9297. .req_line_speed = 0,
  9298. .speed_cap_mask = 0,
  9299. .req_duplex = 0,
  9300. .rsrv = 0,
  9301. .config_init = (config_init_t)NULL,
  9302. .read_status = (read_status_t)NULL,
  9303. .link_reset = (link_reset_t)NULL,
  9304. .config_loopback = (config_loopback_t)NULL,
  9305. .format_fw_ver = (format_fw_ver_t)NULL,
  9306. .hw_reset = (hw_reset_t)NULL,
  9307. .set_link_led = (set_link_led_t)NULL,
  9308. .phy_specific_func = (phy_specific_func_t)NULL
  9309. };
  9310. static struct bnx2x_phy phy_serdes = {
  9311. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9312. .addr = 0xff,
  9313. .def_md_devad = 0,
  9314. .flags = 0,
  9315. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9316. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9317. .mdio_ctrl = 0,
  9318. .supported = (SUPPORTED_10baseT_Half |
  9319. SUPPORTED_10baseT_Full |
  9320. SUPPORTED_100baseT_Half |
  9321. SUPPORTED_100baseT_Full |
  9322. SUPPORTED_1000baseT_Full |
  9323. SUPPORTED_2500baseX_Full |
  9324. SUPPORTED_TP |
  9325. SUPPORTED_Autoneg |
  9326. SUPPORTED_Pause |
  9327. SUPPORTED_Asym_Pause),
  9328. .media_type = ETH_PHY_BASE_T,
  9329. .ver_addr = 0,
  9330. .req_flow_ctrl = 0,
  9331. .req_line_speed = 0,
  9332. .speed_cap_mask = 0,
  9333. .req_duplex = 0,
  9334. .rsrv = 0,
  9335. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9336. .read_status = (read_status_t)bnx2x_link_settings_status,
  9337. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9338. .config_loopback = (config_loopback_t)NULL,
  9339. .format_fw_ver = (format_fw_ver_t)NULL,
  9340. .hw_reset = (hw_reset_t)NULL,
  9341. .set_link_led = (set_link_led_t)NULL,
  9342. .phy_specific_func = (phy_specific_func_t)NULL
  9343. };
  9344. static struct bnx2x_phy phy_xgxs = {
  9345. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9346. .addr = 0xff,
  9347. .def_md_devad = 0,
  9348. .flags = 0,
  9349. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9350. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9351. .mdio_ctrl = 0,
  9352. .supported = (SUPPORTED_10baseT_Half |
  9353. SUPPORTED_10baseT_Full |
  9354. SUPPORTED_100baseT_Half |
  9355. SUPPORTED_100baseT_Full |
  9356. SUPPORTED_1000baseT_Full |
  9357. SUPPORTED_2500baseX_Full |
  9358. SUPPORTED_10000baseT_Full |
  9359. SUPPORTED_FIBRE |
  9360. SUPPORTED_Autoneg |
  9361. SUPPORTED_Pause |
  9362. SUPPORTED_Asym_Pause),
  9363. .media_type = ETH_PHY_CX4,
  9364. .ver_addr = 0,
  9365. .req_flow_ctrl = 0,
  9366. .req_line_speed = 0,
  9367. .speed_cap_mask = 0,
  9368. .req_duplex = 0,
  9369. .rsrv = 0,
  9370. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9371. .read_status = (read_status_t)bnx2x_link_settings_status,
  9372. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9373. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9374. .format_fw_ver = (format_fw_ver_t)NULL,
  9375. .hw_reset = (hw_reset_t)NULL,
  9376. .set_link_led = (set_link_led_t)NULL,
  9377. .phy_specific_func = (phy_specific_func_t)NULL
  9378. };
  9379. static struct bnx2x_phy phy_warpcore = {
  9380. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9381. .addr = 0xff,
  9382. .def_md_devad = 0,
  9383. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9384. FLAGS_TX_ERROR_CHECK),
  9385. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9386. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9387. .mdio_ctrl = 0,
  9388. .supported = (SUPPORTED_10baseT_Half |
  9389. SUPPORTED_10baseT_Full |
  9390. SUPPORTED_100baseT_Half |
  9391. SUPPORTED_100baseT_Full |
  9392. SUPPORTED_1000baseT_Full |
  9393. SUPPORTED_10000baseT_Full |
  9394. SUPPORTED_20000baseKR2_Full |
  9395. SUPPORTED_20000baseMLD2_Full |
  9396. SUPPORTED_FIBRE |
  9397. SUPPORTED_Autoneg |
  9398. SUPPORTED_Pause |
  9399. SUPPORTED_Asym_Pause),
  9400. .media_type = ETH_PHY_UNSPECIFIED,
  9401. .ver_addr = 0,
  9402. .req_flow_ctrl = 0,
  9403. .req_line_speed = 0,
  9404. .speed_cap_mask = 0,
  9405. /* req_duplex = */0,
  9406. /* rsrv = */0,
  9407. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9408. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9409. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9410. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9411. .format_fw_ver = (format_fw_ver_t)NULL,
  9412. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9413. .set_link_led = (set_link_led_t)NULL,
  9414. .phy_specific_func = (phy_specific_func_t)NULL
  9415. };
  9416. static struct bnx2x_phy phy_7101 = {
  9417. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9418. .addr = 0xff,
  9419. .def_md_devad = 0,
  9420. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9421. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9422. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9423. .mdio_ctrl = 0,
  9424. .supported = (SUPPORTED_10000baseT_Full |
  9425. SUPPORTED_TP |
  9426. SUPPORTED_Autoneg |
  9427. SUPPORTED_Pause |
  9428. SUPPORTED_Asym_Pause),
  9429. .media_type = ETH_PHY_BASE_T,
  9430. .ver_addr = 0,
  9431. .req_flow_ctrl = 0,
  9432. .req_line_speed = 0,
  9433. .speed_cap_mask = 0,
  9434. .req_duplex = 0,
  9435. .rsrv = 0,
  9436. .config_init = (config_init_t)bnx2x_7101_config_init,
  9437. .read_status = (read_status_t)bnx2x_7101_read_status,
  9438. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9439. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9440. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9441. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9442. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9443. .phy_specific_func = (phy_specific_func_t)NULL
  9444. };
  9445. static struct bnx2x_phy phy_8073 = {
  9446. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9447. .addr = 0xff,
  9448. .def_md_devad = 0,
  9449. .flags = FLAGS_HW_LOCK_REQUIRED,
  9450. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9451. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9452. .mdio_ctrl = 0,
  9453. .supported = (SUPPORTED_10000baseT_Full |
  9454. SUPPORTED_2500baseX_Full |
  9455. SUPPORTED_1000baseT_Full |
  9456. SUPPORTED_FIBRE |
  9457. SUPPORTED_Autoneg |
  9458. SUPPORTED_Pause |
  9459. SUPPORTED_Asym_Pause),
  9460. .media_type = ETH_PHY_KR,
  9461. .ver_addr = 0,
  9462. .req_flow_ctrl = 0,
  9463. .req_line_speed = 0,
  9464. .speed_cap_mask = 0,
  9465. .req_duplex = 0,
  9466. .rsrv = 0,
  9467. .config_init = (config_init_t)bnx2x_8073_config_init,
  9468. .read_status = (read_status_t)bnx2x_8073_read_status,
  9469. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9470. .config_loopback = (config_loopback_t)NULL,
  9471. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9472. .hw_reset = (hw_reset_t)NULL,
  9473. .set_link_led = (set_link_led_t)NULL,
  9474. .phy_specific_func = (phy_specific_func_t)NULL
  9475. };
  9476. static struct bnx2x_phy phy_8705 = {
  9477. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9478. .addr = 0xff,
  9479. .def_md_devad = 0,
  9480. .flags = FLAGS_INIT_XGXS_FIRST,
  9481. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9482. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9483. .mdio_ctrl = 0,
  9484. .supported = (SUPPORTED_10000baseT_Full |
  9485. SUPPORTED_FIBRE |
  9486. SUPPORTED_Pause |
  9487. SUPPORTED_Asym_Pause),
  9488. .media_type = ETH_PHY_XFP_FIBER,
  9489. .ver_addr = 0,
  9490. .req_flow_ctrl = 0,
  9491. .req_line_speed = 0,
  9492. .speed_cap_mask = 0,
  9493. .req_duplex = 0,
  9494. .rsrv = 0,
  9495. .config_init = (config_init_t)bnx2x_8705_config_init,
  9496. .read_status = (read_status_t)bnx2x_8705_read_status,
  9497. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9498. .config_loopback = (config_loopback_t)NULL,
  9499. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9500. .hw_reset = (hw_reset_t)NULL,
  9501. .set_link_led = (set_link_led_t)NULL,
  9502. .phy_specific_func = (phy_specific_func_t)NULL
  9503. };
  9504. static struct bnx2x_phy phy_8706 = {
  9505. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9506. .addr = 0xff,
  9507. .def_md_devad = 0,
  9508. .flags = (FLAGS_INIT_XGXS_FIRST |
  9509. FLAGS_TX_ERROR_CHECK),
  9510. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9511. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9512. .mdio_ctrl = 0,
  9513. .supported = (SUPPORTED_10000baseT_Full |
  9514. SUPPORTED_1000baseT_Full |
  9515. SUPPORTED_FIBRE |
  9516. SUPPORTED_Pause |
  9517. SUPPORTED_Asym_Pause),
  9518. .media_type = ETH_PHY_SFP_FIBER,
  9519. .ver_addr = 0,
  9520. .req_flow_ctrl = 0,
  9521. .req_line_speed = 0,
  9522. .speed_cap_mask = 0,
  9523. .req_duplex = 0,
  9524. .rsrv = 0,
  9525. .config_init = (config_init_t)bnx2x_8706_config_init,
  9526. .read_status = (read_status_t)bnx2x_8706_read_status,
  9527. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9528. .config_loopback = (config_loopback_t)NULL,
  9529. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9530. .hw_reset = (hw_reset_t)NULL,
  9531. .set_link_led = (set_link_led_t)NULL,
  9532. .phy_specific_func = (phy_specific_func_t)NULL
  9533. };
  9534. static struct bnx2x_phy phy_8726 = {
  9535. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9536. .addr = 0xff,
  9537. .def_md_devad = 0,
  9538. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9539. FLAGS_INIT_XGXS_FIRST |
  9540. FLAGS_TX_ERROR_CHECK),
  9541. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9542. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9543. .mdio_ctrl = 0,
  9544. .supported = (SUPPORTED_10000baseT_Full |
  9545. SUPPORTED_1000baseT_Full |
  9546. SUPPORTED_Autoneg |
  9547. SUPPORTED_FIBRE |
  9548. SUPPORTED_Pause |
  9549. SUPPORTED_Asym_Pause),
  9550. .media_type = ETH_PHY_NOT_PRESENT,
  9551. .ver_addr = 0,
  9552. .req_flow_ctrl = 0,
  9553. .req_line_speed = 0,
  9554. .speed_cap_mask = 0,
  9555. .req_duplex = 0,
  9556. .rsrv = 0,
  9557. .config_init = (config_init_t)bnx2x_8726_config_init,
  9558. .read_status = (read_status_t)bnx2x_8726_read_status,
  9559. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9560. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9561. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9562. .hw_reset = (hw_reset_t)NULL,
  9563. .set_link_led = (set_link_led_t)NULL,
  9564. .phy_specific_func = (phy_specific_func_t)NULL
  9565. };
  9566. static struct bnx2x_phy phy_8727 = {
  9567. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9568. .addr = 0xff,
  9569. .def_md_devad = 0,
  9570. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9571. FLAGS_TX_ERROR_CHECK),
  9572. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9573. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9574. .mdio_ctrl = 0,
  9575. .supported = (SUPPORTED_10000baseT_Full |
  9576. SUPPORTED_1000baseT_Full |
  9577. SUPPORTED_FIBRE |
  9578. SUPPORTED_Pause |
  9579. SUPPORTED_Asym_Pause),
  9580. .media_type = ETH_PHY_NOT_PRESENT,
  9581. .ver_addr = 0,
  9582. .req_flow_ctrl = 0,
  9583. .req_line_speed = 0,
  9584. .speed_cap_mask = 0,
  9585. .req_duplex = 0,
  9586. .rsrv = 0,
  9587. .config_init = (config_init_t)bnx2x_8727_config_init,
  9588. .read_status = (read_status_t)bnx2x_8727_read_status,
  9589. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9590. .config_loopback = (config_loopback_t)NULL,
  9591. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9592. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9593. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9594. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9595. };
  9596. static struct bnx2x_phy phy_8481 = {
  9597. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9598. .addr = 0xff,
  9599. .def_md_devad = 0,
  9600. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9601. FLAGS_REARM_LATCH_SIGNAL,
  9602. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9603. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9604. .mdio_ctrl = 0,
  9605. .supported = (SUPPORTED_10baseT_Half |
  9606. SUPPORTED_10baseT_Full |
  9607. SUPPORTED_100baseT_Half |
  9608. SUPPORTED_100baseT_Full |
  9609. SUPPORTED_1000baseT_Full |
  9610. SUPPORTED_10000baseT_Full |
  9611. SUPPORTED_TP |
  9612. SUPPORTED_Autoneg |
  9613. SUPPORTED_Pause |
  9614. SUPPORTED_Asym_Pause),
  9615. .media_type = ETH_PHY_BASE_T,
  9616. .ver_addr = 0,
  9617. .req_flow_ctrl = 0,
  9618. .req_line_speed = 0,
  9619. .speed_cap_mask = 0,
  9620. .req_duplex = 0,
  9621. .rsrv = 0,
  9622. .config_init = (config_init_t)bnx2x_8481_config_init,
  9623. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9624. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9625. .config_loopback = (config_loopback_t)NULL,
  9626. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9627. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9628. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9629. .phy_specific_func = (phy_specific_func_t)NULL
  9630. };
  9631. static struct bnx2x_phy phy_84823 = {
  9632. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9633. .addr = 0xff,
  9634. .def_md_devad = 0,
  9635. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9636. FLAGS_REARM_LATCH_SIGNAL,
  9637. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9638. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9639. .mdio_ctrl = 0,
  9640. .supported = (SUPPORTED_10baseT_Half |
  9641. SUPPORTED_10baseT_Full |
  9642. SUPPORTED_100baseT_Half |
  9643. SUPPORTED_100baseT_Full |
  9644. SUPPORTED_1000baseT_Full |
  9645. SUPPORTED_10000baseT_Full |
  9646. SUPPORTED_TP |
  9647. SUPPORTED_Autoneg |
  9648. SUPPORTED_Pause |
  9649. SUPPORTED_Asym_Pause),
  9650. .media_type = ETH_PHY_BASE_T,
  9651. .ver_addr = 0,
  9652. .req_flow_ctrl = 0,
  9653. .req_line_speed = 0,
  9654. .speed_cap_mask = 0,
  9655. .req_duplex = 0,
  9656. .rsrv = 0,
  9657. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9658. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9659. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9660. .config_loopback = (config_loopback_t)NULL,
  9661. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9662. .hw_reset = (hw_reset_t)NULL,
  9663. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9664. .phy_specific_func = (phy_specific_func_t)NULL
  9665. };
  9666. static struct bnx2x_phy phy_84833 = {
  9667. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9668. .addr = 0xff,
  9669. .def_md_devad = 0,
  9670. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9671. FLAGS_REARM_LATCH_SIGNAL,
  9672. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9673. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9674. .mdio_ctrl = 0,
  9675. .supported = (SUPPORTED_100baseT_Half |
  9676. SUPPORTED_100baseT_Full |
  9677. SUPPORTED_1000baseT_Full |
  9678. SUPPORTED_10000baseT_Full |
  9679. SUPPORTED_TP |
  9680. SUPPORTED_Autoneg |
  9681. SUPPORTED_Pause |
  9682. SUPPORTED_Asym_Pause),
  9683. .media_type = ETH_PHY_BASE_T,
  9684. .ver_addr = 0,
  9685. .req_flow_ctrl = 0,
  9686. .req_line_speed = 0,
  9687. .speed_cap_mask = 0,
  9688. .req_duplex = 0,
  9689. .rsrv = 0,
  9690. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9691. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9692. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9693. .config_loopback = (config_loopback_t)NULL,
  9694. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9695. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9696. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9697. .phy_specific_func = (phy_specific_func_t)NULL
  9698. };
  9699. static struct bnx2x_phy phy_54618se = {
  9700. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9701. .addr = 0xff,
  9702. .def_md_devad = 0,
  9703. .flags = FLAGS_INIT_XGXS_FIRST,
  9704. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9705. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9706. .mdio_ctrl = 0,
  9707. .supported = (SUPPORTED_10baseT_Half |
  9708. SUPPORTED_10baseT_Full |
  9709. SUPPORTED_100baseT_Half |
  9710. SUPPORTED_100baseT_Full |
  9711. SUPPORTED_1000baseT_Full |
  9712. SUPPORTED_TP |
  9713. SUPPORTED_Autoneg |
  9714. SUPPORTED_Pause |
  9715. SUPPORTED_Asym_Pause),
  9716. .media_type = ETH_PHY_BASE_T,
  9717. .ver_addr = 0,
  9718. .req_flow_ctrl = 0,
  9719. .req_line_speed = 0,
  9720. .speed_cap_mask = 0,
  9721. /* req_duplex = */0,
  9722. /* rsrv = */0,
  9723. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9724. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9725. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9726. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9727. .format_fw_ver = (format_fw_ver_t)NULL,
  9728. .hw_reset = (hw_reset_t)NULL,
  9729. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9730. .phy_specific_func = (phy_specific_func_t)NULL
  9731. };
  9732. /*****************************************************************/
  9733. /* */
  9734. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9735. /* */
  9736. /*****************************************************************/
  9737. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9738. struct bnx2x_phy *phy, u8 port,
  9739. u8 phy_index)
  9740. {
  9741. /* Get the 4 lanes xgxs config rx and tx */
  9742. u32 rx = 0, tx = 0, i;
  9743. for (i = 0; i < 2; i++) {
  9744. /*
  9745. * INT_PHY and EXT_PHY1 share the same value location in the
  9746. * shmem. When num_phys is greater than 1, than this value
  9747. * applies only to EXT_PHY1
  9748. */
  9749. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9750. rx = REG_RD(bp, shmem_base +
  9751. offsetof(struct shmem_region,
  9752. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9753. tx = REG_RD(bp, shmem_base +
  9754. offsetof(struct shmem_region,
  9755. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9756. } else {
  9757. rx = REG_RD(bp, shmem_base +
  9758. offsetof(struct shmem_region,
  9759. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9760. tx = REG_RD(bp, shmem_base +
  9761. offsetof(struct shmem_region,
  9762. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9763. }
  9764. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9765. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9766. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9767. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9768. }
  9769. }
  9770. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9771. u8 phy_index, u8 port)
  9772. {
  9773. u32 ext_phy_config = 0;
  9774. switch (phy_index) {
  9775. case EXT_PHY1:
  9776. ext_phy_config = REG_RD(bp, shmem_base +
  9777. offsetof(struct shmem_region,
  9778. dev_info.port_hw_config[port].external_phy_config));
  9779. break;
  9780. case EXT_PHY2:
  9781. ext_phy_config = REG_RD(bp, shmem_base +
  9782. offsetof(struct shmem_region,
  9783. dev_info.port_hw_config[port].external_phy_config2));
  9784. break;
  9785. default:
  9786. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9787. return -EINVAL;
  9788. }
  9789. return ext_phy_config;
  9790. }
  9791. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9792. struct bnx2x_phy *phy)
  9793. {
  9794. u32 phy_addr;
  9795. u32 chip_id;
  9796. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9797. offsetof(struct shmem_region,
  9798. dev_info.port_feature_config[port].link_config)) &
  9799. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9800. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9801. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9802. if (USES_WARPCORE(bp)) {
  9803. u32 serdes_net_if;
  9804. phy_addr = REG_RD(bp,
  9805. MISC_REG_WC0_CTRL_PHY_ADDR);
  9806. *phy = phy_warpcore;
  9807. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9808. phy->flags |= FLAGS_4_PORT_MODE;
  9809. else
  9810. phy->flags &= ~FLAGS_4_PORT_MODE;
  9811. /* Check Dual mode */
  9812. serdes_net_if = (REG_RD(bp, shmem_base +
  9813. offsetof(struct shmem_region, dev_info.
  9814. port_hw_config[port].default_cfg)) &
  9815. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9816. /*
  9817. * Set the appropriate supported and flags indications per
  9818. * interface type of the chip
  9819. */
  9820. switch (serdes_net_if) {
  9821. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9822. phy->supported &= (SUPPORTED_10baseT_Half |
  9823. SUPPORTED_10baseT_Full |
  9824. SUPPORTED_100baseT_Half |
  9825. SUPPORTED_100baseT_Full |
  9826. SUPPORTED_1000baseT_Full |
  9827. SUPPORTED_FIBRE |
  9828. SUPPORTED_Autoneg |
  9829. SUPPORTED_Pause |
  9830. SUPPORTED_Asym_Pause);
  9831. phy->media_type = ETH_PHY_BASE_T;
  9832. break;
  9833. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9834. phy->media_type = ETH_PHY_XFP_FIBER;
  9835. break;
  9836. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9837. phy->supported &= (SUPPORTED_1000baseT_Full |
  9838. SUPPORTED_10000baseT_Full |
  9839. SUPPORTED_FIBRE |
  9840. SUPPORTED_Pause |
  9841. SUPPORTED_Asym_Pause);
  9842. phy->media_type = ETH_PHY_SFP_FIBER;
  9843. break;
  9844. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9845. phy->media_type = ETH_PHY_KR;
  9846. phy->supported &= (SUPPORTED_1000baseT_Full |
  9847. SUPPORTED_10000baseT_Full |
  9848. SUPPORTED_FIBRE |
  9849. SUPPORTED_Autoneg |
  9850. SUPPORTED_Pause |
  9851. SUPPORTED_Asym_Pause);
  9852. break;
  9853. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9854. phy->media_type = ETH_PHY_KR;
  9855. phy->flags |= FLAGS_WC_DUAL_MODE;
  9856. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9857. SUPPORTED_FIBRE |
  9858. SUPPORTED_Pause |
  9859. SUPPORTED_Asym_Pause);
  9860. break;
  9861. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9862. phy->media_type = ETH_PHY_KR;
  9863. phy->flags |= FLAGS_WC_DUAL_MODE;
  9864. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9865. SUPPORTED_FIBRE |
  9866. SUPPORTED_Pause |
  9867. SUPPORTED_Asym_Pause);
  9868. break;
  9869. default:
  9870. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9871. serdes_net_if);
  9872. break;
  9873. }
  9874. /*
  9875. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9876. * was not set as expected. For B0, ECO will be enabled so there
  9877. * won't be an issue there
  9878. */
  9879. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9880. phy->flags |= FLAGS_MDC_MDIO_WA;
  9881. else
  9882. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9883. } else {
  9884. switch (switch_cfg) {
  9885. case SWITCH_CFG_1G:
  9886. phy_addr = REG_RD(bp,
  9887. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9888. port * 0x10);
  9889. *phy = phy_serdes;
  9890. break;
  9891. case SWITCH_CFG_10G:
  9892. phy_addr = REG_RD(bp,
  9893. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9894. port * 0x18);
  9895. *phy = phy_xgxs;
  9896. break;
  9897. default:
  9898. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9899. return -EINVAL;
  9900. }
  9901. }
  9902. phy->addr = (u8)phy_addr;
  9903. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9904. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9905. port);
  9906. if (CHIP_IS_E2(bp))
  9907. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9908. else
  9909. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9910. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9911. port, phy->addr, phy->mdio_ctrl);
  9912. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9913. return 0;
  9914. }
  9915. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9916. u8 phy_index,
  9917. u32 shmem_base,
  9918. u32 shmem2_base,
  9919. u8 port,
  9920. struct bnx2x_phy *phy)
  9921. {
  9922. u32 ext_phy_config, phy_type, config2;
  9923. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9924. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9925. phy_index, port);
  9926. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9927. /* Select the phy type */
  9928. switch (phy_type) {
  9929. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9930. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9931. *phy = phy_8073;
  9932. break;
  9933. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9934. *phy = phy_8705;
  9935. break;
  9936. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9937. *phy = phy_8706;
  9938. break;
  9939. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9940. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9941. *phy = phy_8726;
  9942. break;
  9943. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9944. /* BCM8727_NOC => BCM8727 no over current */
  9945. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9946. *phy = phy_8727;
  9947. phy->flags |= FLAGS_NOC;
  9948. break;
  9949. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9950. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9951. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9952. *phy = phy_8727;
  9953. break;
  9954. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9955. *phy = phy_8481;
  9956. break;
  9957. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9958. *phy = phy_84823;
  9959. break;
  9960. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9961. *phy = phy_84833;
  9962. break;
  9963. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  9964. *phy = phy_54618se;
  9965. break;
  9966. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9967. *phy = phy_7101;
  9968. break;
  9969. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9970. *phy = phy_null;
  9971. return -EINVAL;
  9972. default:
  9973. *phy = phy_null;
  9974. return 0;
  9975. }
  9976. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9977. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9978. /*
  9979. * The shmem address of the phy version is located on different
  9980. * structures. In case this structure is too old, do not set
  9981. * the address
  9982. */
  9983. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9984. dev_info.shared_hw_config.config2));
  9985. if (phy_index == EXT_PHY1) {
  9986. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9987. port_mb[port].ext_phy_fw_version);
  9988. /* Check specific mdc mdio settings */
  9989. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9990. mdc_mdio_access = config2 &
  9991. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9992. } else {
  9993. u32 size = REG_RD(bp, shmem2_base);
  9994. if (size >
  9995. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9996. phy->ver_addr = shmem2_base +
  9997. offsetof(struct shmem2_region,
  9998. ext_phy_fw_version2[port]);
  9999. }
  10000. /* Check specific mdc mdio settings */
  10001. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10002. mdc_mdio_access = (config2 &
  10003. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10004. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10005. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10006. }
  10007. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10008. /*
  10009. * In case mdc/mdio_access of the external phy is different than the
  10010. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10011. * to prevent one port interfere with another port's CL45 operations.
  10012. */
  10013. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10014. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10015. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10016. phy_type, port, phy_index);
  10017. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10018. phy->addr, phy->mdio_ctrl);
  10019. return 0;
  10020. }
  10021. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10022. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10023. {
  10024. int status = 0;
  10025. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10026. if (phy_index == INT_PHY)
  10027. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10028. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10029. port, phy);
  10030. return status;
  10031. }
  10032. static void bnx2x_phy_def_cfg(struct link_params *params,
  10033. struct bnx2x_phy *phy,
  10034. u8 phy_index)
  10035. {
  10036. struct bnx2x *bp = params->bp;
  10037. u32 link_config;
  10038. /* Populate the default phy configuration for MF mode */
  10039. if (phy_index == EXT_PHY2) {
  10040. link_config = REG_RD(bp, params->shmem_base +
  10041. offsetof(struct shmem_region, dev_info.
  10042. port_feature_config[params->port].link_config2));
  10043. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10044. offsetof(struct shmem_region,
  10045. dev_info.
  10046. port_hw_config[params->port].speed_capability_mask2));
  10047. } else {
  10048. link_config = REG_RD(bp, params->shmem_base +
  10049. offsetof(struct shmem_region, dev_info.
  10050. port_feature_config[params->port].link_config));
  10051. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10052. offsetof(struct shmem_region,
  10053. dev_info.
  10054. port_hw_config[params->port].speed_capability_mask));
  10055. }
  10056. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  10057. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  10058. phy->req_duplex = DUPLEX_FULL;
  10059. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10060. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10061. phy->req_duplex = DUPLEX_HALF;
  10062. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10063. phy->req_line_speed = SPEED_10;
  10064. break;
  10065. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10066. phy->req_duplex = DUPLEX_HALF;
  10067. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10068. phy->req_line_speed = SPEED_100;
  10069. break;
  10070. case PORT_FEATURE_LINK_SPEED_1G:
  10071. phy->req_line_speed = SPEED_1000;
  10072. break;
  10073. case PORT_FEATURE_LINK_SPEED_2_5G:
  10074. phy->req_line_speed = SPEED_2500;
  10075. break;
  10076. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10077. phy->req_line_speed = SPEED_10000;
  10078. break;
  10079. default:
  10080. phy->req_line_speed = SPEED_AUTO_NEG;
  10081. break;
  10082. }
  10083. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10084. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10085. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10086. break;
  10087. case PORT_FEATURE_FLOW_CONTROL_TX:
  10088. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10089. break;
  10090. case PORT_FEATURE_FLOW_CONTROL_RX:
  10091. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10092. break;
  10093. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10094. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10095. break;
  10096. default:
  10097. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10098. break;
  10099. }
  10100. }
  10101. u32 bnx2x_phy_selection(struct link_params *params)
  10102. {
  10103. u32 phy_config_swapped, prio_cfg;
  10104. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10105. phy_config_swapped = params->multi_phy_config &
  10106. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10107. prio_cfg = params->multi_phy_config &
  10108. PORT_HW_CFG_PHY_SELECTION_MASK;
  10109. if (phy_config_swapped) {
  10110. switch (prio_cfg) {
  10111. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10112. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10113. break;
  10114. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10115. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10116. break;
  10117. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10118. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10119. break;
  10120. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10121. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10122. break;
  10123. }
  10124. } else
  10125. return_cfg = prio_cfg;
  10126. return return_cfg;
  10127. }
  10128. int bnx2x_phy_probe(struct link_params *params)
  10129. {
  10130. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10131. u32 phy_config_swapped, sync_offset, media_types;
  10132. struct bnx2x *bp = params->bp;
  10133. struct bnx2x_phy *phy;
  10134. params->num_phys = 0;
  10135. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10136. phy_config_swapped = params->multi_phy_config &
  10137. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10138. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10139. phy_index++) {
  10140. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10141. actual_phy_idx = phy_index;
  10142. if (phy_config_swapped) {
  10143. if (phy_index == EXT_PHY1)
  10144. actual_phy_idx = EXT_PHY2;
  10145. else if (phy_index == EXT_PHY2)
  10146. actual_phy_idx = EXT_PHY1;
  10147. }
  10148. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10149. " actual_phy_idx %x\n", phy_config_swapped,
  10150. phy_index, actual_phy_idx);
  10151. phy = &params->phy[actual_phy_idx];
  10152. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10153. params->shmem2_base, params->port,
  10154. phy) != 0) {
  10155. params->num_phys = 0;
  10156. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10157. phy_index);
  10158. for (phy_index = INT_PHY;
  10159. phy_index < MAX_PHYS;
  10160. phy_index++)
  10161. *phy = phy_null;
  10162. return -EINVAL;
  10163. }
  10164. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10165. break;
  10166. sync_offset = params->shmem_base +
  10167. offsetof(struct shmem_region,
  10168. dev_info.port_hw_config[params->port].media_type);
  10169. media_types = REG_RD(bp, sync_offset);
  10170. /*
  10171. * Update media type for non-PMF sync only for the first time
  10172. * In case the media type changes afterwards, it will be updated
  10173. * using the update_status function
  10174. */
  10175. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10176. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10177. actual_phy_idx))) == 0) {
  10178. media_types |= ((phy->media_type &
  10179. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10180. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10181. actual_phy_idx));
  10182. }
  10183. REG_WR(bp, sync_offset, media_types);
  10184. bnx2x_phy_def_cfg(params, phy, phy_index);
  10185. params->num_phys++;
  10186. }
  10187. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10188. return 0;
  10189. }
  10190. void bnx2x_init_bmac_loopback(struct link_params *params,
  10191. struct link_vars *vars)
  10192. {
  10193. struct bnx2x *bp = params->bp;
  10194. vars->link_up = 1;
  10195. vars->line_speed = SPEED_10000;
  10196. vars->duplex = DUPLEX_FULL;
  10197. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10198. vars->mac_type = MAC_TYPE_BMAC;
  10199. vars->phy_flags = PHY_XGXS_FLAG;
  10200. bnx2x_xgxs_deassert(params);
  10201. /* set bmac loopback */
  10202. bnx2x_bmac_enable(params, vars, 1);
  10203. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10204. }
  10205. void bnx2x_init_emac_loopback(struct link_params *params,
  10206. struct link_vars *vars)
  10207. {
  10208. struct bnx2x *bp = params->bp;
  10209. vars->link_up = 1;
  10210. vars->line_speed = SPEED_1000;
  10211. vars->duplex = DUPLEX_FULL;
  10212. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10213. vars->mac_type = MAC_TYPE_EMAC;
  10214. vars->phy_flags = PHY_XGXS_FLAG;
  10215. bnx2x_xgxs_deassert(params);
  10216. /* set bmac loopback */
  10217. bnx2x_emac_enable(params, vars, 1);
  10218. bnx2x_emac_program(params, vars);
  10219. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10220. }
  10221. void bnx2x_init_xmac_loopback(struct link_params *params,
  10222. struct link_vars *vars)
  10223. {
  10224. struct bnx2x *bp = params->bp;
  10225. vars->link_up = 1;
  10226. if (!params->req_line_speed[0])
  10227. vars->line_speed = SPEED_10000;
  10228. else
  10229. vars->line_speed = params->req_line_speed[0];
  10230. vars->duplex = DUPLEX_FULL;
  10231. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10232. vars->mac_type = MAC_TYPE_XMAC;
  10233. vars->phy_flags = PHY_XGXS_FLAG;
  10234. /*
  10235. * Set WC to loopback mode since link is required to provide clock
  10236. * to the XMAC in 20G mode
  10237. */
  10238. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10239. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10240. params->phy[INT_PHY].config_loopback(
  10241. &params->phy[INT_PHY],
  10242. params);
  10243. bnx2x_xmac_enable(params, vars, 1);
  10244. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10245. }
  10246. void bnx2x_init_umac_loopback(struct link_params *params,
  10247. struct link_vars *vars)
  10248. {
  10249. struct bnx2x *bp = params->bp;
  10250. vars->link_up = 1;
  10251. vars->line_speed = SPEED_1000;
  10252. vars->duplex = DUPLEX_FULL;
  10253. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10254. vars->mac_type = MAC_TYPE_UMAC;
  10255. vars->phy_flags = PHY_XGXS_FLAG;
  10256. bnx2x_umac_enable(params, vars, 1);
  10257. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10258. }
  10259. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10260. struct link_vars *vars)
  10261. {
  10262. struct bnx2x *bp = params->bp;
  10263. vars->link_up = 1;
  10264. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10265. vars->duplex = DUPLEX_FULL;
  10266. if (params->req_line_speed[0] == SPEED_1000)
  10267. vars->line_speed = SPEED_1000;
  10268. else
  10269. vars->line_speed = SPEED_10000;
  10270. if (!USES_WARPCORE(bp))
  10271. bnx2x_xgxs_deassert(params);
  10272. bnx2x_link_initialize(params, vars);
  10273. if (params->req_line_speed[0] == SPEED_1000) {
  10274. if (USES_WARPCORE(bp))
  10275. bnx2x_umac_enable(params, vars, 0);
  10276. else {
  10277. bnx2x_emac_program(params, vars);
  10278. bnx2x_emac_enable(params, vars, 0);
  10279. }
  10280. } else {
  10281. if (USES_WARPCORE(bp))
  10282. bnx2x_xmac_enable(params, vars, 0);
  10283. else
  10284. bnx2x_bmac_enable(params, vars, 0);
  10285. }
  10286. if (params->loopback_mode == LOOPBACK_XGXS) {
  10287. /* set 10G XGXS loopback */
  10288. params->phy[INT_PHY].config_loopback(
  10289. &params->phy[INT_PHY],
  10290. params);
  10291. } else {
  10292. /* set external phy loopback */
  10293. u8 phy_index;
  10294. for (phy_index = EXT_PHY1;
  10295. phy_index < params->num_phys; phy_index++) {
  10296. if (params->phy[phy_index].config_loopback)
  10297. params->phy[phy_index].config_loopback(
  10298. &params->phy[phy_index],
  10299. params);
  10300. }
  10301. }
  10302. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10303. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10304. }
  10305. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10306. {
  10307. struct bnx2x *bp = params->bp;
  10308. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10309. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10310. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10311. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10312. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10313. vars->link_status = 0;
  10314. vars->phy_link_up = 0;
  10315. vars->link_up = 0;
  10316. vars->line_speed = 0;
  10317. vars->duplex = DUPLEX_FULL;
  10318. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10319. vars->mac_type = MAC_TYPE_NONE;
  10320. vars->phy_flags = 0;
  10321. /* disable attentions */
  10322. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10323. (NIG_MASK_XGXS0_LINK_STATUS |
  10324. NIG_MASK_XGXS0_LINK10G |
  10325. NIG_MASK_SERDES0_LINK_STATUS |
  10326. NIG_MASK_MI_INT));
  10327. bnx2x_emac_init(params, vars);
  10328. if (params->num_phys == 0) {
  10329. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10330. return -EINVAL;
  10331. }
  10332. set_phy_vars(params, vars);
  10333. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10334. switch (params->loopback_mode) {
  10335. case LOOPBACK_BMAC:
  10336. bnx2x_init_bmac_loopback(params, vars);
  10337. break;
  10338. case LOOPBACK_EMAC:
  10339. bnx2x_init_emac_loopback(params, vars);
  10340. break;
  10341. case LOOPBACK_XMAC:
  10342. bnx2x_init_xmac_loopback(params, vars);
  10343. break;
  10344. case LOOPBACK_UMAC:
  10345. bnx2x_init_umac_loopback(params, vars);
  10346. break;
  10347. case LOOPBACK_XGXS:
  10348. case LOOPBACK_EXT_PHY:
  10349. bnx2x_init_xgxs_loopback(params, vars);
  10350. break;
  10351. default:
  10352. if (!CHIP_IS_E3(bp)) {
  10353. if (params->switch_cfg == SWITCH_CFG_10G)
  10354. bnx2x_xgxs_deassert(params);
  10355. else
  10356. bnx2x_serdes_deassert(bp, params->port);
  10357. }
  10358. bnx2x_link_initialize(params, vars);
  10359. msleep(30);
  10360. bnx2x_link_int_enable(params);
  10361. break;
  10362. }
  10363. return 0;
  10364. }
  10365. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10366. u8 reset_ext_phy)
  10367. {
  10368. struct bnx2x *bp = params->bp;
  10369. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10370. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10371. /* disable attentions */
  10372. vars->link_status = 0;
  10373. bnx2x_update_mng(params, vars->link_status);
  10374. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10375. (NIG_MASK_XGXS0_LINK_STATUS |
  10376. NIG_MASK_XGXS0_LINK10G |
  10377. NIG_MASK_SERDES0_LINK_STATUS |
  10378. NIG_MASK_MI_INT));
  10379. /* activate nig drain */
  10380. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10381. /* disable nig egress interface */
  10382. if (!CHIP_IS_E3(bp)) {
  10383. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10384. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10385. }
  10386. /* Stop BigMac rx */
  10387. if (!CHIP_IS_E3(bp))
  10388. bnx2x_bmac_rx_disable(bp, port);
  10389. else
  10390. bnx2x_xmac_disable(params);
  10391. /* disable emac */
  10392. if (!CHIP_IS_E3(bp))
  10393. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10394. msleep(10);
  10395. /* The PHY reset is controlled by GPIO 1
  10396. * Hold it as vars low
  10397. */
  10398. /* clear link led */
  10399. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10400. if (reset_ext_phy) {
  10401. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10402. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10403. phy_index++) {
  10404. if (params->phy[phy_index].link_reset) {
  10405. bnx2x_set_aer_mmd(params,
  10406. &params->phy[phy_index]);
  10407. params->phy[phy_index].link_reset(
  10408. &params->phy[phy_index],
  10409. params);
  10410. }
  10411. if (params->phy[phy_index].flags &
  10412. FLAGS_REARM_LATCH_SIGNAL)
  10413. clear_latch_ind = 1;
  10414. }
  10415. }
  10416. if (clear_latch_ind) {
  10417. /* Clear latching indication */
  10418. bnx2x_rearm_latch_signal(bp, port, 0);
  10419. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10420. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10421. }
  10422. if (params->phy[INT_PHY].link_reset)
  10423. params->phy[INT_PHY].link_reset(
  10424. &params->phy[INT_PHY], params);
  10425. /* reset BigMac */
  10426. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10427. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10428. /* disable nig ingress interface */
  10429. if (!CHIP_IS_E3(bp)) {
  10430. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10431. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10432. }
  10433. vars->link_up = 0;
  10434. vars->phy_flags = 0;
  10435. return 0;
  10436. }
  10437. /****************************************************************************/
  10438. /* Common function */
  10439. /****************************************************************************/
  10440. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10441. u32 shmem_base_path[],
  10442. u32 shmem2_base_path[], u8 phy_index,
  10443. u32 chip_id)
  10444. {
  10445. struct bnx2x_phy phy[PORT_MAX];
  10446. struct bnx2x_phy *phy_blk[PORT_MAX];
  10447. u16 val;
  10448. s8 port = 0;
  10449. s8 port_of_path = 0;
  10450. u32 swap_val, swap_override;
  10451. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10452. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10453. port ^= (swap_val && swap_override);
  10454. bnx2x_ext_phy_hw_reset(bp, port);
  10455. /* PART1 - Reset both phys */
  10456. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10457. u32 shmem_base, shmem2_base;
  10458. /* In E2, same phy is using for port0 of the two paths */
  10459. if (CHIP_IS_E1x(bp)) {
  10460. shmem_base = shmem_base_path[0];
  10461. shmem2_base = shmem2_base_path[0];
  10462. port_of_path = port;
  10463. } else {
  10464. shmem_base = shmem_base_path[port];
  10465. shmem2_base = shmem2_base_path[port];
  10466. port_of_path = 0;
  10467. }
  10468. /* Extract the ext phy address for the port */
  10469. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10470. port_of_path, &phy[port]) !=
  10471. 0) {
  10472. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10473. return -EINVAL;
  10474. }
  10475. /* disable attentions */
  10476. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10477. port_of_path*4,
  10478. (NIG_MASK_XGXS0_LINK_STATUS |
  10479. NIG_MASK_XGXS0_LINK10G |
  10480. NIG_MASK_SERDES0_LINK_STATUS |
  10481. NIG_MASK_MI_INT));
  10482. /* Need to take the phy out of low power mode in order
  10483. to write to access its registers */
  10484. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10485. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10486. port);
  10487. /* Reset the phy */
  10488. bnx2x_cl45_write(bp, &phy[port],
  10489. MDIO_PMA_DEVAD,
  10490. MDIO_PMA_REG_CTRL,
  10491. 1<<15);
  10492. }
  10493. /* Add delay of 150ms after reset */
  10494. msleep(150);
  10495. if (phy[PORT_0].addr & 0x1) {
  10496. phy_blk[PORT_0] = &(phy[PORT_1]);
  10497. phy_blk[PORT_1] = &(phy[PORT_0]);
  10498. } else {
  10499. phy_blk[PORT_0] = &(phy[PORT_0]);
  10500. phy_blk[PORT_1] = &(phy[PORT_1]);
  10501. }
  10502. /* PART2 - Download firmware to both phys */
  10503. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10504. if (CHIP_IS_E1x(bp))
  10505. port_of_path = port;
  10506. else
  10507. port_of_path = 0;
  10508. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10509. phy_blk[port]->addr);
  10510. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10511. port_of_path))
  10512. return -EINVAL;
  10513. /* Only set bit 10 = 1 (Tx power down) */
  10514. bnx2x_cl45_read(bp, phy_blk[port],
  10515. MDIO_PMA_DEVAD,
  10516. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10517. /* Phase1 of TX_POWER_DOWN reset */
  10518. bnx2x_cl45_write(bp, phy_blk[port],
  10519. MDIO_PMA_DEVAD,
  10520. MDIO_PMA_REG_TX_POWER_DOWN,
  10521. (val | 1<<10));
  10522. }
  10523. /*
  10524. * Toggle Transmitter: Power down and then up with 600ms delay
  10525. * between
  10526. */
  10527. msleep(600);
  10528. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10529. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10530. /* Phase2 of POWER_DOWN_RESET */
  10531. /* Release bit 10 (Release Tx power down) */
  10532. bnx2x_cl45_read(bp, phy_blk[port],
  10533. MDIO_PMA_DEVAD,
  10534. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10535. bnx2x_cl45_write(bp, phy_blk[port],
  10536. MDIO_PMA_DEVAD,
  10537. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10538. msleep(15);
  10539. /* Read modify write the SPI-ROM version select register */
  10540. bnx2x_cl45_read(bp, phy_blk[port],
  10541. MDIO_PMA_DEVAD,
  10542. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10543. bnx2x_cl45_write(bp, phy_blk[port],
  10544. MDIO_PMA_DEVAD,
  10545. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10546. /* set GPIO2 back to LOW */
  10547. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10548. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10549. }
  10550. return 0;
  10551. }
  10552. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10553. u32 shmem_base_path[],
  10554. u32 shmem2_base_path[], u8 phy_index,
  10555. u32 chip_id)
  10556. {
  10557. u32 val;
  10558. s8 port;
  10559. struct bnx2x_phy phy;
  10560. /* Use port1 because of the static port-swap */
  10561. /* Enable the module detection interrupt */
  10562. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10563. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10564. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10565. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10566. bnx2x_ext_phy_hw_reset(bp, 0);
  10567. msleep(5);
  10568. for (port = 0; port < PORT_MAX; port++) {
  10569. u32 shmem_base, shmem2_base;
  10570. /* In E2, same phy is using for port0 of the two paths */
  10571. if (CHIP_IS_E1x(bp)) {
  10572. shmem_base = shmem_base_path[0];
  10573. shmem2_base = shmem2_base_path[0];
  10574. } else {
  10575. shmem_base = shmem_base_path[port];
  10576. shmem2_base = shmem2_base_path[port];
  10577. }
  10578. /* Extract the ext phy address for the port */
  10579. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10580. port, &phy) !=
  10581. 0) {
  10582. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10583. return -EINVAL;
  10584. }
  10585. /* Reset phy*/
  10586. bnx2x_cl45_write(bp, &phy,
  10587. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10588. /* Set fault module detected LED on */
  10589. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10590. MISC_REGISTERS_GPIO_HIGH,
  10591. port);
  10592. }
  10593. return 0;
  10594. }
  10595. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10596. u8 *io_gpio, u8 *io_port)
  10597. {
  10598. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10599. offsetof(struct shmem_region,
  10600. dev_info.port_hw_config[PORT_0].default_cfg));
  10601. switch (phy_gpio_reset) {
  10602. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10603. *io_gpio = 0;
  10604. *io_port = 0;
  10605. break;
  10606. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10607. *io_gpio = 1;
  10608. *io_port = 0;
  10609. break;
  10610. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10611. *io_gpio = 2;
  10612. *io_port = 0;
  10613. break;
  10614. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10615. *io_gpio = 3;
  10616. *io_port = 0;
  10617. break;
  10618. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10619. *io_gpio = 0;
  10620. *io_port = 1;
  10621. break;
  10622. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10623. *io_gpio = 1;
  10624. *io_port = 1;
  10625. break;
  10626. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10627. *io_gpio = 2;
  10628. *io_port = 1;
  10629. break;
  10630. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10631. *io_gpio = 3;
  10632. *io_port = 1;
  10633. break;
  10634. default:
  10635. /* Don't override the io_gpio and io_port */
  10636. break;
  10637. }
  10638. }
  10639. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10640. u32 shmem_base_path[],
  10641. u32 shmem2_base_path[], u8 phy_index,
  10642. u32 chip_id)
  10643. {
  10644. s8 port, reset_gpio;
  10645. u32 swap_val, swap_override;
  10646. struct bnx2x_phy phy[PORT_MAX];
  10647. struct bnx2x_phy *phy_blk[PORT_MAX];
  10648. s8 port_of_path;
  10649. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10650. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10651. reset_gpio = MISC_REGISTERS_GPIO_1;
  10652. port = 1;
  10653. /*
  10654. * Retrieve the reset gpio/port which control the reset.
  10655. * Default is GPIO1, PORT1
  10656. */
  10657. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10658. (u8 *)&reset_gpio, (u8 *)&port);
  10659. /* Calculate the port based on port swap */
  10660. port ^= (swap_val && swap_override);
  10661. /* Initiate PHY reset*/
  10662. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10663. port);
  10664. msleep(1);
  10665. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10666. port);
  10667. msleep(5);
  10668. /* PART1 - Reset both phys */
  10669. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10670. u32 shmem_base, shmem2_base;
  10671. /* In E2, same phy is using for port0 of the two paths */
  10672. if (CHIP_IS_E1x(bp)) {
  10673. shmem_base = shmem_base_path[0];
  10674. shmem2_base = shmem2_base_path[0];
  10675. port_of_path = port;
  10676. } else {
  10677. shmem_base = shmem_base_path[port];
  10678. shmem2_base = shmem2_base_path[port];
  10679. port_of_path = 0;
  10680. }
  10681. /* Extract the ext phy address for the port */
  10682. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10683. port_of_path, &phy[port]) !=
  10684. 0) {
  10685. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10686. return -EINVAL;
  10687. }
  10688. /* disable attentions */
  10689. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10690. port_of_path*4,
  10691. (NIG_MASK_XGXS0_LINK_STATUS |
  10692. NIG_MASK_XGXS0_LINK10G |
  10693. NIG_MASK_SERDES0_LINK_STATUS |
  10694. NIG_MASK_MI_INT));
  10695. /* Reset the phy */
  10696. bnx2x_cl45_write(bp, &phy[port],
  10697. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10698. }
  10699. /* Add delay of 150ms after reset */
  10700. msleep(150);
  10701. if (phy[PORT_0].addr & 0x1) {
  10702. phy_blk[PORT_0] = &(phy[PORT_1]);
  10703. phy_blk[PORT_1] = &(phy[PORT_0]);
  10704. } else {
  10705. phy_blk[PORT_0] = &(phy[PORT_0]);
  10706. phy_blk[PORT_1] = &(phy[PORT_1]);
  10707. }
  10708. /* PART2 - Download firmware to both phys */
  10709. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10710. if (CHIP_IS_E1x(bp))
  10711. port_of_path = port;
  10712. else
  10713. port_of_path = 0;
  10714. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10715. phy_blk[port]->addr);
  10716. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10717. port_of_path))
  10718. return -EINVAL;
  10719. /* Disable PHY transmitter output */
  10720. bnx2x_cl45_write(bp, phy_blk[port],
  10721. MDIO_PMA_DEVAD,
  10722. MDIO_PMA_REG_TX_DISABLE, 1);
  10723. }
  10724. return 0;
  10725. }
  10726. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10727. u32 shmem2_base_path[], u8 phy_index,
  10728. u32 ext_phy_type, u32 chip_id)
  10729. {
  10730. int rc = 0;
  10731. switch (ext_phy_type) {
  10732. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10733. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10734. shmem2_base_path,
  10735. phy_index, chip_id);
  10736. break;
  10737. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10738. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10739. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10740. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10741. shmem2_base_path,
  10742. phy_index, chip_id);
  10743. break;
  10744. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10745. /*
  10746. * GPIO1 affects both ports, so there's need to pull
  10747. * it for single port alone
  10748. */
  10749. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10750. shmem2_base_path,
  10751. phy_index, chip_id);
  10752. break;
  10753. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10754. /*
  10755. * GPIO3's are linked, and so both need to be toggled
  10756. * to obtain required 2us pulse.
  10757. */
  10758. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10759. break;
  10760. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10761. rc = -EINVAL;
  10762. break;
  10763. default:
  10764. DP(NETIF_MSG_LINK,
  10765. "ext_phy 0x%x common init not required\n",
  10766. ext_phy_type);
  10767. break;
  10768. }
  10769. if (rc != 0)
  10770. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10771. " Port %d\n",
  10772. 0);
  10773. return rc;
  10774. }
  10775. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10776. u32 shmem2_base_path[], u32 chip_id)
  10777. {
  10778. int rc = 0;
  10779. u32 phy_ver, val;
  10780. u8 phy_index = 0;
  10781. u32 ext_phy_type, ext_phy_config;
  10782. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10783. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10784. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10785. if (CHIP_IS_E3(bp)) {
  10786. /* Enable EPIO */
  10787. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10788. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10789. }
  10790. /* Check if common init was already done */
  10791. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10792. offsetof(struct shmem_region,
  10793. port_mb[PORT_0].ext_phy_fw_version));
  10794. if (phy_ver) {
  10795. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10796. phy_ver);
  10797. return 0;
  10798. }
  10799. /* Read the ext_phy_type for arbitrary port(0) */
  10800. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10801. phy_index++) {
  10802. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10803. shmem_base_path[0],
  10804. phy_index, 0);
  10805. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10806. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10807. shmem2_base_path,
  10808. phy_index, ext_phy_type,
  10809. chip_id);
  10810. }
  10811. return rc;
  10812. }
  10813. static void bnx2x_check_over_curr(struct link_params *params,
  10814. struct link_vars *vars)
  10815. {
  10816. struct bnx2x *bp = params->bp;
  10817. u32 cfg_pin;
  10818. u8 port = params->port;
  10819. u32 pin_val;
  10820. cfg_pin = (REG_RD(bp, params->shmem_base +
  10821. offsetof(struct shmem_region,
  10822. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10823. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10824. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10825. /* Ignore check if no external input PIN available */
  10826. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10827. return;
  10828. if (!pin_val) {
  10829. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10830. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10831. " been detected and the power to "
  10832. "that SFP+ module has been removed"
  10833. " to prevent failure of the card."
  10834. " Please remove the SFP+ module and"
  10835. " restart the system to clear this"
  10836. " error.\n",
  10837. params->port);
  10838. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10839. }
  10840. } else
  10841. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10842. }
  10843. static void bnx2x_analyze_link_error(struct link_params *params,
  10844. struct link_vars *vars, u32 lss_status)
  10845. {
  10846. struct bnx2x *bp = params->bp;
  10847. /* Compare new value with previous value */
  10848. u8 led_mode;
  10849. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10850. if ((lss_status ^ half_open_conn) == 0)
  10851. return;
  10852. /* If values differ */
  10853. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10854. half_open_conn, lss_status);
  10855. /*
  10856. * a. Update shmem->link_status accordingly
  10857. * b. Update link_vars->link_up
  10858. */
  10859. if (lss_status) {
  10860. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10861. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10862. vars->link_up = 0;
  10863. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10864. /*
  10865. * Set LED mode to off since the PHY doesn't know about these
  10866. * errors
  10867. */
  10868. led_mode = LED_MODE_OFF;
  10869. } else {
  10870. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10871. vars->link_status |= LINK_STATUS_LINK_UP;
  10872. vars->link_up = 1;
  10873. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10874. led_mode = LED_MODE_OPER;
  10875. }
  10876. /* Update the LED according to the link state */
  10877. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10878. /* Update link status in the shared memory */
  10879. bnx2x_update_mng(params, vars->link_status);
  10880. /* C. Trigger General Attention */
  10881. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10882. bnx2x_notify_link_changed(bp);
  10883. }
  10884. /******************************************************************************
  10885. * Description:
  10886. * This function checks for half opened connection change indication.
  10887. * When such change occurs, it calls the bnx2x_analyze_link_error
  10888. * to check if Remote Fault is set or cleared. Reception of remote fault
  10889. * status message in the MAC indicates that the peer's MAC has detected
  10890. * a fault, for example, due to break in the TX side of fiber.
  10891. *
  10892. ******************************************************************************/
  10893. static void bnx2x_check_half_open_conn(struct link_params *params,
  10894. struct link_vars *vars)
  10895. {
  10896. struct bnx2x *bp = params->bp;
  10897. u32 lss_status = 0;
  10898. u32 mac_base;
  10899. /* In case link status is physically up @ 10G do */
  10900. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10901. return;
  10902. if (CHIP_IS_E3(bp) &&
  10903. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10904. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  10905. /* Check E3 XMAC */
  10906. /*
  10907. * Note that link speed cannot be queried here, since it may be
  10908. * zero while link is down. In case UMAC is active, LSS will
  10909. * simply not be set
  10910. */
  10911. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10912. /* Clear stick bits (Requires rising edge) */
  10913. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  10914. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  10915. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  10916. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  10917. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  10918. lss_status = 1;
  10919. bnx2x_analyze_link_error(params, vars, lss_status);
  10920. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10921. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  10922. /* Check E1X / E2 BMAC */
  10923. u32 lss_status_reg;
  10924. u32 wb_data[2];
  10925. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10926. NIG_REG_INGRESS_BMAC0_MEM;
  10927. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10928. if (CHIP_IS_E2(bp))
  10929. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10930. else
  10931. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10932. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10933. lss_status = (wb_data[0] > 0);
  10934. bnx2x_analyze_link_error(params, vars, lss_status);
  10935. }
  10936. }
  10937. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10938. {
  10939. struct bnx2x *bp = params->bp;
  10940. u16 phy_idx;
  10941. if (!params) {
  10942. DP(NETIF_MSG_LINK, "Uninitialized params !\n");
  10943. return;
  10944. }
  10945. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  10946. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  10947. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  10948. bnx2x_check_half_open_conn(params, vars);
  10949. break;
  10950. }
  10951. }
  10952. if (CHIP_IS_E3(bp))
  10953. bnx2x_check_over_curr(params, vars);
  10954. }
  10955. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10956. {
  10957. u8 phy_index;
  10958. struct bnx2x_phy phy;
  10959. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10960. phy_index++) {
  10961. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10962. 0, &phy) != 0) {
  10963. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10964. return 0;
  10965. }
  10966. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10967. return 1;
  10968. }
  10969. return 0;
  10970. }
  10971. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10972. u32 shmem_base,
  10973. u32 shmem2_base,
  10974. u8 port)
  10975. {
  10976. u8 phy_index, fan_failure_det_req = 0;
  10977. struct bnx2x_phy phy;
  10978. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10979. phy_index++) {
  10980. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10981. port, &phy)
  10982. != 0) {
  10983. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10984. return 0;
  10985. }
  10986. fan_failure_det_req |= (phy.flags &
  10987. FLAGS_FAN_FAILURE_DET_REQ);
  10988. }
  10989. return fan_failure_det_req;
  10990. }
  10991. void bnx2x_hw_reset_phy(struct link_params *params)
  10992. {
  10993. u8 phy_index;
  10994. struct bnx2x *bp = params->bp;
  10995. bnx2x_update_mng(params, 0);
  10996. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10997. (NIG_MASK_XGXS0_LINK_STATUS |
  10998. NIG_MASK_XGXS0_LINK10G |
  10999. NIG_MASK_SERDES0_LINK_STATUS |
  11000. NIG_MASK_MI_INT));
  11001. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11002. phy_index++) {
  11003. if (params->phy[phy_index].hw_reset) {
  11004. params->phy[phy_index].hw_reset(
  11005. &params->phy[phy_index],
  11006. params);
  11007. params->phy[phy_index] = phy_null;
  11008. }
  11009. }
  11010. }
  11011. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11012. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11013. u8 port)
  11014. {
  11015. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11016. u32 val;
  11017. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11018. if (CHIP_IS_E3(bp)) {
  11019. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11020. shmem_base,
  11021. port,
  11022. &gpio_num,
  11023. &gpio_port) != 0)
  11024. return;
  11025. } else {
  11026. struct bnx2x_phy phy;
  11027. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11028. phy_index++) {
  11029. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11030. shmem2_base, port, &phy)
  11031. != 0) {
  11032. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11033. return;
  11034. }
  11035. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11036. gpio_num = MISC_REGISTERS_GPIO_3;
  11037. gpio_port = port;
  11038. break;
  11039. }
  11040. }
  11041. }
  11042. if (gpio_num == 0xff)
  11043. return;
  11044. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11045. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11046. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11047. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11048. gpio_port ^= (swap_val && swap_override);
  11049. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11050. (gpio_num + (gpio_port << 2));
  11051. sync_offset = shmem_base +
  11052. offsetof(struct shmem_region,
  11053. dev_info.port_hw_config[port].aeu_int_mask);
  11054. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11055. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11056. gpio_num, gpio_port, vars->aeu_int_mask);
  11057. if (port == 0)
  11058. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11059. else
  11060. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11061. /* Open appropriate AEU for interrupts */
  11062. aeu_mask = REG_RD(bp, offset);
  11063. aeu_mask |= vars->aeu_int_mask;
  11064. REG_WR(bp, offset, aeu_mask);
  11065. /* Enable the GPIO to trigger interrupt */
  11066. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11067. val |= 1 << (gpio_num + (gpio_port << 2));
  11068. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11069. }