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 - use 1 instead of 0 for BW */
  682. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  683. const u32 cos_bw_pbf = ((bw ? bw : 1) * 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. *total_bw +=
  750. ets_params->cos[cos_idx].params.bw_params.bw;
  751. }
  752. }
  753. /* Check total BW is valid */
  754. if ((100 != *total_bw) || (0 == *total_bw)) {
  755. if (0 == *total_bw) {
  756. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
  757. "shouldn't be 0\n");
  758. return -EINVAL;
  759. }
  760. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
  761. "100\n");
  762. /**
  763. * We can handle a case whre the BW isn't 100 this can happen
  764. * if the TC are joined.
  765. */
  766. }
  767. return 0;
  768. }
  769. /******************************************************************************
  770. * Description:
  771. * Invalidate all the sp_pri_to_cos.
  772. *.
  773. ******************************************************************************/
  774. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  775. {
  776. u8 pri = 0;
  777. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  778. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  779. }
  780. /******************************************************************************
  781. * Description:
  782. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  783. * according to sp_pri_to_cos.
  784. *.
  785. ******************************************************************************/
  786. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  787. u8 *sp_pri_to_cos, const u8 pri,
  788. const u8 cos_entry)
  789. {
  790. struct bnx2x *bp = params->bp;
  791. const u8 port = params->port;
  792. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  793. DCBX_E3B0_MAX_NUM_COS_PORT0;
  794. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  795. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  796. "parameter There can't be two COS's with"
  797. "the same strict pri\n");
  798. return -EINVAL;
  799. }
  800. if (pri > max_num_of_cos) {
  801. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
  802. "parameter Illegal strict priority\n");
  803. return -EINVAL;
  804. }
  805. sp_pri_to_cos[pri] = cos_entry;
  806. return 0;
  807. }
  808. /******************************************************************************
  809. * Description:
  810. * Returns the correct value according to COS and priority in
  811. * the sp_pri_cli register.
  812. *.
  813. ******************************************************************************/
  814. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  815. const u8 pri_set,
  816. const u8 pri_offset,
  817. const u8 entry_size)
  818. {
  819. u64 pri_cli_nig = 0;
  820. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  821. (pri_set + pri_offset));
  822. return pri_cli_nig;
  823. }
  824. /******************************************************************************
  825. * Description:
  826. * Returns the correct value according to COS and priority in the
  827. * sp_pri_cli register for NIG.
  828. *.
  829. ******************************************************************************/
  830. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  831. {
  832. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  833. const u8 nig_cos_offset = 3;
  834. const u8 nig_pri_offset = 3;
  835. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  836. nig_pri_offset, 4);
  837. }
  838. /******************************************************************************
  839. * Description:
  840. * Returns the correct value according to COS and priority in the
  841. * sp_pri_cli register for PBF.
  842. *.
  843. ******************************************************************************/
  844. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  845. {
  846. const u8 pbf_cos_offset = 0;
  847. const u8 pbf_pri_offset = 0;
  848. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  849. pbf_pri_offset, 3);
  850. }
  851. /******************************************************************************
  852. * Description:
  853. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  854. * according to sp_pri_to_cos.(which COS has higher priority)
  855. *.
  856. ******************************************************************************/
  857. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  858. u8 *sp_pri_to_cos)
  859. {
  860. struct bnx2x *bp = params->bp;
  861. u8 i = 0;
  862. const u8 port = params->port;
  863. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  864. u64 pri_cli_nig = 0x210;
  865. u32 pri_cli_pbf = 0x0;
  866. u8 pri_set = 0;
  867. u8 pri_bitmask = 0;
  868. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  869. DCBX_E3B0_MAX_NUM_COS_PORT0;
  870. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  871. /* Set all the strict priority first */
  872. for (i = 0; i < max_num_of_cos; i++) {
  873. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  874. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  875. DP(NETIF_MSG_LINK,
  876. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  877. "invalid cos entry\n");
  878. return -EINVAL;
  879. }
  880. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  881. sp_pri_to_cos[i], pri_set);
  882. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  883. sp_pri_to_cos[i], pri_set);
  884. pri_bitmask = 1 << sp_pri_to_cos[i];
  885. /* COS is used remove it from bitmap.*/
  886. if (0 == (pri_bitmask & cos_bit_to_set)) {
  887. DP(NETIF_MSG_LINK,
  888. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  889. "invalid There can't be two COS's with"
  890. " the same strict pri\n");
  891. return -EINVAL;
  892. }
  893. cos_bit_to_set &= ~pri_bitmask;
  894. pri_set++;
  895. }
  896. }
  897. /* Set all the Non strict priority i= COS*/
  898. for (i = 0; i < max_num_of_cos; i++) {
  899. pri_bitmask = 1 << i;
  900. /* Check if COS was already used for SP */
  901. if (pri_bitmask & cos_bit_to_set) {
  902. /* COS wasn't used for SP */
  903. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  904. i, pri_set);
  905. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  906. i, pri_set);
  907. /* COS is used remove it from bitmap.*/
  908. cos_bit_to_set &= ~pri_bitmask;
  909. pri_set++;
  910. }
  911. }
  912. if (pri_set != max_num_of_cos) {
  913. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  914. "entries were set\n");
  915. return -EINVAL;
  916. }
  917. if (port) {
  918. /* Only 6 usable clients*/
  919. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  920. (u32)pri_cli_nig);
  921. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  922. } else {
  923. /* Only 9 usable clients*/
  924. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  925. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  926. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  927. pri_cli_nig_lsb);
  928. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  929. pri_cli_nig_msb);
  930. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  931. }
  932. return 0;
  933. }
  934. /******************************************************************************
  935. * Description:
  936. * Configure the COS to ETS according to BW and SP settings.
  937. ******************************************************************************/
  938. int bnx2x_ets_e3b0_config(const struct link_params *params,
  939. const struct link_vars *vars,
  940. const struct bnx2x_ets_params *ets_params)
  941. {
  942. struct bnx2x *bp = params->bp;
  943. int bnx2x_status = 0;
  944. const u8 port = params->port;
  945. u16 total_bw = 0;
  946. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  947. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  948. u8 cos_bw_bitmap = 0;
  949. u8 cos_sp_bitmap = 0;
  950. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  951. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  952. DCBX_E3B0_MAX_NUM_COS_PORT0;
  953. u8 cos_entry = 0;
  954. if (!CHIP_IS_E3B0(bp)) {
  955. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  956. "\n");
  957. return -EINVAL;
  958. }
  959. if ((ets_params->num_of_cos > max_num_of_cos)) {
  960. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  961. "isn't supported\n");
  962. return -EINVAL;
  963. }
  964. /* Prepare sp strict priority parameters*/
  965. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  966. /* Prepare BW parameters*/
  967. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  968. &total_bw);
  969. if (0 != bnx2x_status) {
  970. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
  971. "\n");
  972. return -EINVAL;
  973. }
  974. /**
  975. * Upper bound is set according to current link speed (min_w_val
  976. * should be the same for upper bound and COS credit val).
  977. */
  978. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  979. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  980. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  981. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  982. cos_bw_bitmap |= (1 << cos_entry);
  983. /**
  984. * The function also sets the BW in HW(not the mappin
  985. * yet)
  986. */
  987. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  988. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  989. total_bw,
  990. ets_params->cos[cos_entry].params.bw_params.bw,
  991. port);
  992. } else if (bnx2x_cos_state_strict ==
  993. ets_params->cos[cos_entry].state){
  994. cos_sp_bitmap |= (1 << cos_entry);
  995. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  996. params,
  997. sp_pri_to_cos,
  998. ets_params->cos[cos_entry].params.sp_params.pri,
  999. cos_entry);
  1000. } else {
  1001. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
  1002. " valid\n");
  1003. return -EINVAL;
  1004. }
  1005. if (0 != bnx2x_status) {
  1006. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
  1007. "failed\n");
  1008. return bnx2x_status;
  1009. }
  1010. }
  1011. /* Set SP register (which COS has higher priority) */
  1012. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1013. sp_pri_to_cos);
  1014. if (0 != bnx2x_status) {
  1015. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
  1016. "failed\n");
  1017. return bnx2x_status;
  1018. }
  1019. /* Set client mapping of BW and strict */
  1020. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1021. cos_sp_bitmap,
  1022. cos_bw_bitmap);
  1023. if (0 != bnx2x_status) {
  1024. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1025. return bnx2x_status;
  1026. }
  1027. return 0;
  1028. }
  1029. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1030. {
  1031. /* ETS disabled configuration */
  1032. struct bnx2x *bp = params->bp;
  1033. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1034. /*
  1035. * defines which entries (clients) are subjected to WFQ arbitration
  1036. * COS0 0x8
  1037. * COS1 0x10
  1038. */
  1039. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1040. /*
  1041. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1042. * client numbers (WEIGHT_0 does not actually have to represent
  1043. * client 0)
  1044. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1045. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1046. */
  1047. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1048. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1049. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1050. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1051. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1052. /* ETS mode enabled*/
  1053. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1054. /* Defines the number of consecutive slots for the strict priority */
  1055. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1056. /*
  1057. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1058. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1059. * entry, 4 - COS1 entry.
  1060. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1061. * bit4 bit3 bit2 bit1 bit0
  1062. * MCP and debug are strict
  1063. */
  1064. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1065. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1066. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1067. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1068. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1069. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1070. }
  1071. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1072. const u32 cos1_bw)
  1073. {
  1074. /* ETS disabled configuration*/
  1075. struct bnx2x *bp = params->bp;
  1076. const u32 total_bw = cos0_bw + cos1_bw;
  1077. u32 cos0_credit_weight = 0;
  1078. u32 cos1_credit_weight = 0;
  1079. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1080. if ((0 == total_bw) ||
  1081. (0 == cos0_bw) ||
  1082. (0 == cos1_bw)) {
  1083. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1084. return;
  1085. }
  1086. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1087. total_bw;
  1088. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1089. total_bw;
  1090. bnx2x_ets_bw_limit_common(params);
  1091. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1092. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1093. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1094. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1095. }
  1096. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1097. {
  1098. /* ETS disabled configuration*/
  1099. struct bnx2x *bp = params->bp;
  1100. u32 val = 0;
  1101. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1102. /*
  1103. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1104. * as strict. Bits 0,1,2 - debug and management entries,
  1105. * 3 - COS0 entry, 4 - COS1 entry.
  1106. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1107. * bit4 bit3 bit2 bit1 bit0
  1108. * MCP and debug are strict
  1109. */
  1110. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1111. /*
  1112. * For strict priority entries defines the number of consecutive slots
  1113. * for the highest priority.
  1114. */
  1115. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1116. /* ETS mode disable */
  1117. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1118. /* Defines the number of consecutive slots for the strict priority */
  1119. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1120. /* Defines the number of consecutive slots for the strict priority */
  1121. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1122. /*
  1123. * mapping between entry priority to client number (0,1,2 -debug and
  1124. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1125. * 3bits client num.
  1126. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1127. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1128. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1129. */
  1130. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1131. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1132. return 0;
  1133. }
  1134. /******************************************************************/
  1135. /* PFC section */
  1136. /******************************************************************/
  1137. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1138. struct link_vars *vars,
  1139. u8 is_lb)
  1140. {
  1141. struct bnx2x *bp = params->bp;
  1142. u32 xmac_base;
  1143. u32 pause_val, pfc0_val, pfc1_val;
  1144. /* XMAC base adrr */
  1145. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1146. /* Initialize pause and pfc registers */
  1147. pause_val = 0x18000;
  1148. pfc0_val = 0xFFFF8000;
  1149. pfc1_val = 0x2;
  1150. /* No PFC support */
  1151. if (!(params->feature_config_flags &
  1152. FEATURE_CONFIG_PFC_ENABLED)) {
  1153. /*
  1154. * RX flow control - Process pause frame in receive direction
  1155. */
  1156. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1157. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1158. /*
  1159. * TX flow control - Send pause packet when buffer is full
  1160. */
  1161. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1162. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1163. } else {/* PFC support */
  1164. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1165. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1166. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1167. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1168. }
  1169. /* Write pause and PFC registers */
  1170. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1171. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1172. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1173. /* Set MAC address for source TX Pause/PFC frames */
  1174. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1175. ((params->mac_addr[2] << 24) |
  1176. (params->mac_addr[3] << 16) |
  1177. (params->mac_addr[4] << 8) |
  1178. (params->mac_addr[5])));
  1179. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1180. ((params->mac_addr[0] << 8) |
  1181. (params->mac_addr[1])));
  1182. udelay(30);
  1183. }
  1184. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1185. u32 pfc_frames_sent[2],
  1186. u32 pfc_frames_received[2])
  1187. {
  1188. /* Read pfc statistic */
  1189. struct bnx2x *bp = params->bp;
  1190. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1191. u32 val_xon = 0;
  1192. u32 val_xoff = 0;
  1193. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1194. /* PFC received frames */
  1195. val_xoff = REG_RD(bp, emac_base +
  1196. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1197. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1198. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1199. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1200. pfc_frames_received[0] = val_xon + val_xoff;
  1201. /* PFC received sent */
  1202. val_xoff = REG_RD(bp, emac_base +
  1203. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1204. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1205. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1206. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1207. pfc_frames_sent[0] = val_xon + val_xoff;
  1208. }
  1209. /* Read pfc statistic*/
  1210. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1211. u32 pfc_frames_sent[2],
  1212. u32 pfc_frames_received[2])
  1213. {
  1214. /* Read pfc statistic */
  1215. struct bnx2x *bp = params->bp;
  1216. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1217. if (!vars->link_up)
  1218. return;
  1219. if (MAC_TYPE_EMAC == vars->mac_type) {
  1220. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1221. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1222. pfc_frames_received);
  1223. }
  1224. }
  1225. /******************************************************************/
  1226. /* MAC/PBF section */
  1227. /******************************************************************/
  1228. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1229. {
  1230. u32 mode, emac_base;
  1231. /**
  1232. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1233. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1234. */
  1235. if (CHIP_IS_E2(bp))
  1236. emac_base = GRCBASE_EMAC0;
  1237. else
  1238. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1239. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1240. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1241. EMAC_MDIO_MODE_CLOCK_CNT);
  1242. if (USES_WARPCORE(bp))
  1243. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1244. else
  1245. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1246. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1247. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1248. udelay(40);
  1249. }
  1250. static void bnx2x_emac_init(struct link_params *params,
  1251. struct link_vars *vars)
  1252. {
  1253. /* reset and unreset the emac core */
  1254. struct bnx2x *bp = params->bp;
  1255. u8 port = params->port;
  1256. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1257. u32 val;
  1258. u16 timeout;
  1259. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1260. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1261. udelay(5);
  1262. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1263. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1264. /* init emac - use read-modify-write */
  1265. /* self clear reset */
  1266. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1267. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1268. timeout = 200;
  1269. do {
  1270. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1271. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1272. if (!timeout) {
  1273. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1274. return;
  1275. }
  1276. timeout--;
  1277. } while (val & EMAC_MODE_RESET);
  1278. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1279. /* Set mac address */
  1280. val = ((params->mac_addr[0] << 8) |
  1281. params->mac_addr[1]);
  1282. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1283. val = ((params->mac_addr[2] << 24) |
  1284. (params->mac_addr[3] << 16) |
  1285. (params->mac_addr[4] << 8) |
  1286. params->mac_addr[5]);
  1287. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1288. }
  1289. static void bnx2x_set_xumac_nig(struct link_params *params,
  1290. u16 tx_pause_en,
  1291. u8 enable)
  1292. {
  1293. struct bnx2x *bp = params->bp;
  1294. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1295. enable);
  1296. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1297. enable);
  1298. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1299. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1300. }
  1301. static void bnx2x_umac_enable(struct link_params *params,
  1302. struct link_vars *vars, u8 lb)
  1303. {
  1304. u32 val;
  1305. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1306. struct bnx2x *bp = params->bp;
  1307. /* Reset UMAC */
  1308. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1309. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1310. usleep_range(1000, 1000);
  1311. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1312. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1313. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1314. /**
  1315. * This register determines on which events the MAC will assert
  1316. * error on the i/f to the NIG along w/ EOP.
  1317. */
  1318. /**
  1319. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1320. * params->port*0x14, 0xfffff.
  1321. */
  1322. /* This register opens the gate for the UMAC despite its name */
  1323. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1324. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1325. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1326. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1327. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1328. switch (vars->line_speed) {
  1329. case SPEED_10:
  1330. val |= (0<<2);
  1331. break;
  1332. case SPEED_100:
  1333. val |= (1<<2);
  1334. break;
  1335. case SPEED_1000:
  1336. val |= (2<<2);
  1337. break;
  1338. case SPEED_2500:
  1339. val |= (3<<2);
  1340. break;
  1341. default:
  1342. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1343. vars->line_speed);
  1344. break;
  1345. }
  1346. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1347. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1348. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1349. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1350. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1351. udelay(50);
  1352. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1353. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1354. ((params->mac_addr[2] << 24) |
  1355. (params->mac_addr[3] << 16) |
  1356. (params->mac_addr[4] << 8) |
  1357. (params->mac_addr[5])));
  1358. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1359. ((params->mac_addr[0] << 8) |
  1360. (params->mac_addr[1])));
  1361. /* Enable RX and TX */
  1362. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1363. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1364. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1365. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1366. udelay(50);
  1367. /* Remove SW Reset */
  1368. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1369. /* Check loopback mode */
  1370. if (lb)
  1371. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1372. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1373. /*
  1374. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1375. * length used by the MAC receive logic to check frames.
  1376. */
  1377. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1378. bnx2x_set_xumac_nig(params,
  1379. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1380. vars->mac_type = MAC_TYPE_UMAC;
  1381. }
  1382. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1383. {
  1384. u32 port4mode_ovwr_val;
  1385. /* Check 4-port override enabled */
  1386. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1387. if (port4mode_ovwr_val & (1<<0)) {
  1388. /* Return 4-port mode override value */
  1389. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1390. }
  1391. /* Return 4-port mode from input pin */
  1392. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1393. }
  1394. /* Define the XMAC mode */
  1395. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1396. {
  1397. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1398. /**
  1399. * In 4-port mode, need to set the mode only once, so if XMAC is
  1400. * already out of reset, it means the mode has already been set,
  1401. * and it must not* reset the XMAC again, since it controls both
  1402. * ports of the path
  1403. **/
  1404. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1405. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1406. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1407. " in 4-port mode\n");
  1408. return;
  1409. }
  1410. /* Hard reset */
  1411. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1412. MISC_REGISTERS_RESET_REG_2_XMAC);
  1413. usleep_range(1000, 1000);
  1414. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1415. MISC_REGISTERS_RESET_REG_2_XMAC);
  1416. if (is_port4mode) {
  1417. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1418. /* Set the number of ports on the system side to up to 2 */
  1419. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1420. /* Set the number of ports on the Warp Core to 10G */
  1421. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1422. } else {
  1423. /* Set the number of ports on the system side to 1 */
  1424. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1425. if (max_speed == SPEED_10000) {
  1426. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1427. " port per path\n");
  1428. /* Set the number of ports on the Warp Core to 10G */
  1429. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1430. } else {
  1431. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1432. " per path\n");
  1433. /* Set the number of ports on the Warp Core to 20G */
  1434. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1435. }
  1436. }
  1437. /* Soft reset */
  1438. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1439. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1440. usleep_range(1000, 1000);
  1441. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1442. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1443. }
  1444. static void bnx2x_xmac_disable(struct link_params *params)
  1445. {
  1446. u8 port = params->port;
  1447. struct bnx2x *bp = params->bp;
  1448. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1449. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1450. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1451. /*
  1452. * Send an indication to change the state in the NIG back to XON
  1453. * Clearing this bit enables the next set of this bit to get
  1454. * rising edge
  1455. */
  1456. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1457. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1458. (pfc_ctrl & ~(1<<1)));
  1459. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1460. (pfc_ctrl | (1<<1)));
  1461. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1462. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1463. usleep_range(1000, 1000);
  1464. bnx2x_set_xumac_nig(params, 0, 0);
  1465. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1466. XMAC_CTRL_REG_SOFT_RESET);
  1467. }
  1468. }
  1469. static int bnx2x_xmac_enable(struct link_params *params,
  1470. struct link_vars *vars, u8 lb)
  1471. {
  1472. u32 val, xmac_base;
  1473. struct bnx2x *bp = params->bp;
  1474. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1475. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1476. bnx2x_xmac_init(bp, vars->line_speed);
  1477. /*
  1478. * This register determines on which events the MAC will assert
  1479. * error on the i/f to the NIG along w/ EOP.
  1480. */
  1481. /*
  1482. * This register tells the NIG whether to send traffic to UMAC
  1483. * or XMAC
  1484. */
  1485. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1486. /* Set Max packet size */
  1487. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1488. /* CRC append for Tx packets */
  1489. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1490. /* update PFC */
  1491. bnx2x_update_pfc_xmac(params, vars, 0);
  1492. /* Enable TX and RX */
  1493. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1494. /* Check loopback mode */
  1495. if (lb)
  1496. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1497. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1498. bnx2x_set_xumac_nig(params,
  1499. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1500. vars->mac_type = MAC_TYPE_XMAC;
  1501. return 0;
  1502. }
  1503. static int bnx2x_emac_enable(struct link_params *params,
  1504. struct link_vars *vars, u8 lb)
  1505. {
  1506. struct bnx2x *bp = params->bp;
  1507. u8 port = params->port;
  1508. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1509. u32 val;
  1510. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1511. /* Disable BMAC */
  1512. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1513. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1514. /* enable emac and not bmac */
  1515. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1516. /* ASIC */
  1517. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1518. u32 ser_lane = ((params->lane_config &
  1519. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1520. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1521. DP(NETIF_MSG_LINK, "XGXS\n");
  1522. /* select the master lanes (out of 0-3) */
  1523. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1524. /* select XGXS */
  1525. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1526. } else { /* SerDes */
  1527. DP(NETIF_MSG_LINK, "SerDes\n");
  1528. /* select SerDes */
  1529. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1530. }
  1531. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1532. EMAC_RX_MODE_RESET);
  1533. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1534. EMAC_TX_MODE_RESET);
  1535. if (CHIP_REV_IS_SLOW(bp)) {
  1536. /* config GMII mode */
  1537. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1538. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1539. } else { /* ASIC */
  1540. /* pause enable/disable */
  1541. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1542. EMAC_RX_MODE_FLOW_EN);
  1543. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1544. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1545. EMAC_TX_MODE_FLOW_EN));
  1546. if (!(params->feature_config_flags &
  1547. FEATURE_CONFIG_PFC_ENABLED)) {
  1548. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1549. bnx2x_bits_en(bp, emac_base +
  1550. EMAC_REG_EMAC_RX_MODE,
  1551. EMAC_RX_MODE_FLOW_EN);
  1552. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1553. bnx2x_bits_en(bp, emac_base +
  1554. EMAC_REG_EMAC_TX_MODE,
  1555. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1556. EMAC_TX_MODE_FLOW_EN));
  1557. } else
  1558. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1559. EMAC_TX_MODE_FLOW_EN);
  1560. }
  1561. /* KEEP_VLAN_TAG, promiscuous */
  1562. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1563. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1564. /*
  1565. * Setting this bit causes MAC control frames (except for pause
  1566. * frames) to be passed on for processing. This setting has no
  1567. * affect on the operation of the pause frames. This bit effects
  1568. * all packets regardless of RX Parser packet sorting logic.
  1569. * Turn the PFC off to make sure we are in Xon state before
  1570. * enabling it.
  1571. */
  1572. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1573. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1574. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1575. /* Enable PFC again */
  1576. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1577. EMAC_REG_RX_PFC_MODE_RX_EN |
  1578. EMAC_REG_RX_PFC_MODE_TX_EN |
  1579. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1580. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1581. ((0x0101 <<
  1582. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1583. (0x00ff <<
  1584. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1585. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1586. }
  1587. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1588. /* Set Loopback */
  1589. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1590. if (lb)
  1591. val |= 0x810;
  1592. else
  1593. val &= ~0x810;
  1594. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1595. /* enable emac */
  1596. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1597. /* enable emac for jumbo packets */
  1598. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1599. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1600. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1601. /* strip CRC */
  1602. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1603. /* disable the NIG in/out to the bmac */
  1604. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1605. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1606. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1607. /* enable the NIG in/out to the emac */
  1608. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1609. val = 0;
  1610. if ((params->feature_config_flags &
  1611. FEATURE_CONFIG_PFC_ENABLED) ||
  1612. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1613. val = 1;
  1614. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1615. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1616. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1617. vars->mac_type = MAC_TYPE_EMAC;
  1618. return 0;
  1619. }
  1620. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1621. struct link_vars *vars)
  1622. {
  1623. u32 wb_data[2];
  1624. struct bnx2x *bp = params->bp;
  1625. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1626. NIG_REG_INGRESS_BMAC0_MEM;
  1627. u32 val = 0x14;
  1628. if ((!(params->feature_config_flags &
  1629. FEATURE_CONFIG_PFC_ENABLED)) &&
  1630. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1631. /* Enable BigMAC to react on received Pause packets */
  1632. val |= (1<<5);
  1633. wb_data[0] = val;
  1634. wb_data[1] = 0;
  1635. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1636. /* tx control */
  1637. val = 0xc0;
  1638. if (!(params->feature_config_flags &
  1639. FEATURE_CONFIG_PFC_ENABLED) &&
  1640. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1641. val |= 0x800000;
  1642. wb_data[0] = val;
  1643. wb_data[1] = 0;
  1644. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1645. }
  1646. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1647. struct link_vars *vars,
  1648. u8 is_lb)
  1649. {
  1650. /*
  1651. * Set rx control: Strip CRC and enable BigMAC to relay
  1652. * control packets to the system as well
  1653. */
  1654. u32 wb_data[2];
  1655. struct bnx2x *bp = params->bp;
  1656. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1657. NIG_REG_INGRESS_BMAC0_MEM;
  1658. u32 val = 0x14;
  1659. if ((!(params->feature_config_flags &
  1660. FEATURE_CONFIG_PFC_ENABLED)) &&
  1661. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1662. /* Enable BigMAC to react on received Pause packets */
  1663. val |= (1<<5);
  1664. wb_data[0] = val;
  1665. wb_data[1] = 0;
  1666. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1667. udelay(30);
  1668. /* Tx control */
  1669. val = 0xc0;
  1670. if (!(params->feature_config_flags &
  1671. FEATURE_CONFIG_PFC_ENABLED) &&
  1672. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1673. val |= 0x800000;
  1674. wb_data[0] = val;
  1675. wb_data[1] = 0;
  1676. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1677. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1678. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1679. /* Enable PFC RX & TX & STATS and set 8 COS */
  1680. wb_data[0] = 0x0;
  1681. wb_data[0] |= (1<<0); /* RX */
  1682. wb_data[0] |= (1<<1); /* TX */
  1683. wb_data[0] |= (1<<2); /* Force initial Xon */
  1684. wb_data[0] |= (1<<3); /* 8 cos */
  1685. wb_data[0] |= (1<<5); /* STATS */
  1686. wb_data[1] = 0;
  1687. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1688. wb_data, 2);
  1689. /* Clear the force Xon */
  1690. wb_data[0] &= ~(1<<2);
  1691. } else {
  1692. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1693. /* disable PFC RX & TX & STATS and set 8 COS */
  1694. wb_data[0] = 0x8;
  1695. wb_data[1] = 0;
  1696. }
  1697. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1698. /*
  1699. * Set Time (based unit is 512 bit time) between automatic
  1700. * re-sending of PP packets amd enable automatic re-send of
  1701. * Per-Priroity Packet as long as pp_gen is asserted and
  1702. * pp_disable is low.
  1703. */
  1704. val = 0x8000;
  1705. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1706. val |= (1<<16); /* enable automatic re-send */
  1707. wb_data[0] = val;
  1708. wb_data[1] = 0;
  1709. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1710. wb_data, 2);
  1711. /* mac control */
  1712. val = 0x3; /* Enable RX and TX */
  1713. if (is_lb) {
  1714. val |= 0x4; /* Local loopback */
  1715. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1716. }
  1717. /* When PFC enabled, Pass pause frames towards the NIG. */
  1718. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1719. val |= ((1<<6)|(1<<5));
  1720. wb_data[0] = val;
  1721. wb_data[1] = 0;
  1722. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1723. }
  1724. /* PFC BRB internal port configuration params */
  1725. struct bnx2x_pfc_brb_threshold_val {
  1726. u32 pause_xoff;
  1727. u32 pause_xon;
  1728. u32 full_xoff;
  1729. u32 full_xon;
  1730. };
  1731. struct bnx2x_pfc_brb_e3b0_val {
  1732. u32 full_lb_xoff_th;
  1733. u32 full_lb_xon_threshold;
  1734. u32 lb_guarantied;
  1735. u32 mac_0_class_t_guarantied;
  1736. u32 mac_0_class_t_guarantied_hyst;
  1737. u32 mac_1_class_t_guarantied;
  1738. u32 mac_1_class_t_guarantied_hyst;
  1739. };
  1740. struct bnx2x_pfc_brb_th_val {
  1741. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1742. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1743. };
  1744. static int bnx2x_pfc_brb_get_config_params(
  1745. struct link_params *params,
  1746. struct bnx2x_pfc_brb_th_val *config_val)
  1747. {
  1748. struct bnx2x *bp = params->bp;
  1749. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1750. if (CHIP_IS_E2(bp)) {
  1751. config_val->pauseable_th.pause_xoff =
  1752. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1753. config_val->pauseable_th.pause_xon =
  1754. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1755. config_val->pauseable_th.full_xoff =
  1756. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1757. config_val->pauseable_th.full_xon =
  1758. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1759. /* non pause able*/
  1760. config_val->non_pauseable_th.pause_xoff =
  1761. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1762. config_val->non_pauseable_th.pause_xon =
  1763. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1764. config_val->non_pauseable_th.full_xoff =
  1765. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1766. config_val->non_pauseable_th.full_xon =
  1767. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1768. } else if (CHIP_IS_E3A0(bp)) {
  1769. config_val->pauseable_th.pause_xoff =
  1770. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1771. config_val->pauseable_th.pause_xon =
  1772. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1773. config_val->pauseable_th.full_xoff =
  1774. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1775. config_val->pauseable_th.full_xon =
  1776. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1777. /* non pause able*/
  1778. config_val->non_pauseable_th.pause_xoff =
  1779. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1780. config_val->non_pauseable_th.pause_xon =
  1781. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1782. config_val->non_pauseable_th.full_xoff =
  1783. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1784. config_val->non_pauseable_th.full_xon =
  1785. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1786. } else if (CHIP_IS_E3B0(bp)) {
  1787. if (params->phy[INT_PHY].flags &
  1788. FLAGS_4_PORT_MODE) {
  1789. config_val->pauseable_th.pause_xoff =
  1790. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1791. config_val->pauseable_th.pause_xon =
  1792. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1793. config_val->pauseable_th.full_xoff =
  1794. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1795. config_val->pauseable_th.full_xon =
  1796. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1797. /* non pause able*/
  1798. config_val->non_pauseable_th.pause_xoff =
  1799. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1800. config_val->non_pauseable_th.pause_xon =
  1801. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1802. config_val->non_pauseable_th.full_xoff =
  1803. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1804. config_val->non_pauseable_th.full_xon =
  1805. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1806. } else {
  1807. config_val->pauseable_th.pause_xoff =
  1808. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1809. config_val->pauseable_th.pause_xon =
  1810. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1811. config_val->pauseable_th.full_xoff =
  1812. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1813. config_val->pauseable_th.full_xon =
  1814. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1815. /* non pause able*/
  1816. config_val->non_pauseable_th.pause_xoff =
  1817. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1818. config_val->non_pauseable_th.pause_xon =
  1819. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1820. config_val->non_pauseable_th.full_xoff =
  1821. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1822. config_val->non_pauseable_th.full_xon =
  1823. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1824. }
  1825. } else
  1826. return -EINVAL;
  1827. return 0;
  1828. }
  1829. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1830. struct bnx2x_pfc_brb_e3b0_val
  1831. *e3b0_val,
  1832. u32 cos0_pauseable,
  1833. u32 cos1_pauseable)
  1834. {
  1835. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1836. e3b0_val->full_lb_xoff_th =
  1837. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1838. e3b0_val->full_lb_xon_threshold =
  1839. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1840. e3b0_val->lb_guarantied =
  1841. PFC_E3B0_4P_LB_GUART;
  1842. e3b0_val->mac_0_class_t_guarantied =
  1843. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1844. e3b0_val->mac_0_class_t_guarantied_hyst =
  1845. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1846. e3b0_val->mac_1_class_t_guarantied =
  1847. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1848. e3b0_val->mac_1_class_t_guarantied_hyst =
  1849. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1850. } else {
  1851. e3b0_val->full_lb_xoff_th =
  1852. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1853. e3b0_val->full_lb_xon_threshold =
  1854. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1855. e3b0_val->mac_0_class_t_guarantied_hyst =
  1856. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1857. e3b0_val->mac_1_class_t_guarantied =
  1858. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1859. e3b0_val->mac_1_class_t_guarantied_hyst =
  1860. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1861. if (cos0_pauseable != cos1_pauseable) {
  1862. /* nonpauseable= Lossy + pauseable = Lossless*/
  1863. e3b0_val->lb_guarantied =
  1864. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1865. e3b0_val->mac_0_class_t_guarantied =
  1866. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1867. } else if (cos0_pauseable) {
  1868. /* Lossless +Lossless*/
  1869. e3b0_val->lb_guarantied =
  1870. PFC_E3B0_2P_PAUSE_LB_GUART;
  1871. e3b0_val->mac_0_class_t_guarantied =
  1872. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1873. } else {
  1874. /* Lossy +Lossy*/
  1875. e3b0_val->lb_guarantied =
  1876. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1877. e3b0_val->mac_0_class_t_guarantied =
  1878. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1879. }
  1880. }
  1881. }
  1882. static int bnx2x_update_pfc_brb(struct link_params *params,
  1883. struct link_vars *vars,
  1884. struct bnx2x_nig_brb_pfc_port_params
  1885. *pfc_params)
  1886. {
  1887. struct bnx2x *bp = params->bp;
  1888. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1889. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1890. &config_val.pauseable_th;
  1891. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1892. int set_pfc = params->feature_config_flags &
  1893. FEATURE_CONFIG_PFC_ENABLED;
  1894. int bnx2x_status = 0;
  1895. u8 port = params->port;
  1896. /* default - pause configuration */
  1897. reg_th_config = &config_val.pauseable_th;
  1898. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1899. if (0 != bnx2x_status)
  1900. return bnx2x_status;
  1901. if (set_pfc && pfc_params)
  1902. /* First COS */
  1903. if (!pfc_params->cos0_pauseable)
  1904. reg_th_config = &config_val.non_pauseable_th;
  1905. /*
  1906. * The number of free blocks below which the pause signal to class 0
  1907. * of MAC #n is asserted. n=0,1
  1908. */
  1909. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1910. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1911. reg_th_config->pause_xoff);
  1912. /*
  1913. * The number of free blocks above which the pause signal to class 0
  1914. * of MAC #n is de-asserted. n=0,1
  1915. */
  1916. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1917. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1918. /*
  1919. * The number of free blocks below which the full signal to class 0
  1920. * of MAC #n is asserted. n=0,1
  1921. */
  1922. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1923. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1924. /*
  1925. * The number of free blocks above which the full signal to class 0
  1926. * of MAC #n is de-asserted. n=0,1
  1927. */
  1928. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1929. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1930. if (set_pfc && pfc_params) {
  1931. /* Second COS */
  1932. if (pfc_params->cos1_pauseable)
  1933. reg_th_config = &config_val.pauseable_th;
  1934. else
  1935. reg_th_config = &config_val.non_pauseable_th;
  1936. /*
  1937. * The number of free blocks below which the pause signal to
  1938. * class 1 of MAC #n is asserted. n=0,1
  1939. **/
  1940. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1941. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1942. reg_th_config->pause_xoff);
  1943. /*
  1944. * The number of free blocks above which the pause signal to
  1945. * class 1 of MAC #n is de-asserted. n=0,1
  1946. */
  1947. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1948. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1949. reg_th_config->pause_xon);
  1950. /*
  1951. * The number of free blocks below which the full signal to
  1952. * class 1 of MAC #n is asserted. n=0,1
  1953. */
  1954. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1955. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1956. reg_th_config->full_xoff);
  1957. /*
  1958. * The number of free blocks above which the full signal to
  1959. * class 1 of MAC #n is de-asserted. n=0,1
  1960. */
  1961. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1962. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1963. reg_th_config->full_xon);
  1964. if (CHIP_IS_E3B0(bp)) {
  1965. /*Should be done by init tool */
  1966. /*
  1967. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1968. * reset value
  1969. * 944
  1970. */
  1971. /**
  1972. * The hysteresis on the guarantied buffer space for the Lb port
  1973. * before signaling XON.
  1974. **/
  1975. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1976. bnx2x_pfc_brb_get_e3b0_config_params(
  1977. params,
  1978. &e3b0_val,
  1979. pfc_params->cos0_pauseable,
  1980. pfc_params->cos1_pauseable);
  1981. /**
  1982. * The number of free blocks below which the full signal to the
  1983. * LB port is asserted.
  1984. */
  1985. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1986. e3b0_val.full_lb_xoff_th);
  1987. /**
  1988. * The number of free blocks above which the full signal to the
  1989. * LB port is de-asserted.
  1990. */
  1991. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1992. e3b0_val.full_lb_xon_threshold);
  1993. /**
  1994. * The number of blocks guarantied for the MAC #n port. n=0,1
  1995. */
  1996. /*The number of blocks guarantied for the LB port.*/
  1997. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  1998. e3b0_val.lb_guarantied);
  1999. /**
  2000. * The number of blocks guarantied for the MAC #n port.
  2001. */
  2002. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2003. 2 * e3b0_val.mac_0_class_t_guarantied);
  2004. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2005. 2 * e3b0_val.mac_1_class_t_guarantied);
  2006. /**
  2007. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2008. */
  2009. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2010. e3b0_val.mac_0_class_t_guarantied);
  2011. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2012. e3b0_val.mac_0_class_t_guarantied);
  2013. /**
  2014. * The hysteresis on the guarantied buffer space for class in
  2015. * MAC0. t=0,1
  2016. */
  2017. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2018. e3b0_val.mac_0_class_t_guarantied_hyst);
  2019. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2020. e3b0_val.mac_0_class_t_guarantied_hyst);
  2021. /**
  2022. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2023. */
  2024. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2025. e3b0_val.mac_1_class_t_guarantied);
  2026. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2027. e3b0_val.mac_1_class_t_guarantied);
  2028. /**
  2029. * The hysteresis on the guarantied buffer space for class #t
  2030. * in MAC1. t=0,1
  2031. */
  2032. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2033. e3b0_val.mac_1_class_t_guarantied_hyst);
  2034. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2035. e3b0_val.mac_1_class_t_guarantied_hyst);
  2036. }
  2037. }
  2038. return bnx2x_status;
  2039. }
  2040. /******************************************************************************
  2041. * Description:
  2042. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2043. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2044. ******************************************************************************/
  2045. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2046. u8 cos_entry,
  2047. u32 priority_mask, u8 port)
  2048. {
  2049. u32 nig_reg_rx_priority_mask_add = 0;
  2050. switch (cos_entry) {
  2051. case 0:
  2052. nig_reg_rx_priority_mask_add = (port) ?
  2053. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2054. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2055. break;
  2056. case 1:
  2057. nig_reg_rx_priority_mask_add = (port) ?
  2058. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2059. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2060. break;
  2061. case 2:
  2062. nig_reg_rx_priority_mask_add = (port) ?
  2063. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2064. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2065. break;
  2066. case 3:
  2067. if (port)
  2068. return -EINVAL;
  2069. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2070. break;
  2071. case 4:
  2072. if (port)
  2073. return -EINVAL;
  2074. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2075. break;
  2076. case 5:
  2077. if (port)
  2078. return -EINVAL;
  2079. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2080. break;
  2081. }
  2082. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2083. return 0;
  2084. }
  2085. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2086. {
  2087. struct bnx2x *bp = params->bp;
  2088. REG_WR(bp, params->shmem_base +
  2089. offsetof(struct shmem_region,
  2090. port_mb[params->port].link_status), link_status);
  2091. }
  2092. static void bnx2x_update_pfc_nig(struct link_params *params,
  2093. struct link_vars *vars,
  2094. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2095. {
  2096. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2097. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2098. u32 pkt_priority_to_cos = 0;
  2099. struct bnx2x *bp = params->bp;
  2100. u8 port = params->port;
  2101. int set_pfc = params->feature_config_flags &
  2102. FEATURE_CONFIG_PFC_ENABLED;
  2103. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2104. /*
  2105. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2106. * MAC control frames (that are not pause packets)
  2107. * will be forwarded to the XCM.
  2108. */
  2109. xcm_mask = REG_RD(bp,
  2110. port ? NIG_REG_LLH1_XCM_MASK :
  2111. NIG_REG_LLH0_XCM_MASK);
  2112. /*
  2113. * nig params will override non PFC params, since it's possible to
  2114. * do transition from PFC to SAFC
  2115. */
  2116. if (set_pfc) {
  2117. pause_enable = 0;
  2118. llfc_out_en = 0;
  2119. llfc_enable = 0;
  2120. if (CHIP_IS_E3(bp))
  2121. ppp_enable = 0;
  2122. else
  2123. ppp_enable = 1;
  2124. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2125. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2126. xcm0_out_en = 0;
  2127. p0_hwpfc_enable = 1;
  2128. } else {
  2129. if (nig_params) {
  2130. llfc_out_en = nig_params->llfc_out_en;
  2131. llfc_enable = nig_params->llfc_enable;
  2132. pause_enable = nig_params->pause_enable;
  2133. } else /*defaul non PFC mode - PAUSE */
  2134. pause_enable = 1;
  2135. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2136. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2137. xcm0_out_en = 1;
  2138. }
  2139. if (CHIP_IS_E3(bp))
  2140. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2141. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2142. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2143. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2144. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2145. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2146. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2147. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2148. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2149. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2150. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2151. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2152. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2153. /* output enable for RX_XCM # IF */
  2154. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2155. /* HW PFC TX enable */
  2156. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2157. if (nig_params) {
  2158. u8 i = 0;
  2159. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2160. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2161. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2162. nig_params->rx_cos_priority_mask[i], port);
  2163. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2164. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2165. nig_params->llfc_high_priority_classes);
  2166. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2167. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2168. nig_params->llfc_low_priority_classes);
  2169. }
  2170. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2171. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2172. pkt_priority_to_cos);
  2173. }
  2174. int bnx2x_update_pfc(struct link_params *params,
  2175. struct link_vars *vars,
  2176. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2177. {
  2178. /*
  2179. * The PFC and pause are orthogonal to one another, meaning when
  2180. * PFC is enabled, the pause are disabled, and when PFC is
  2181. * disabled, pause are set according to the pause result.
  2182. */
  2183. u32 val;
  2184. struct bnx2x *bp = params->bp;
  2185. int bnx2x_status = 0;
  2186. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2187. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2188. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2189. else
  2190. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2191. bnx2x_update_mng(params, vars->link_status);
  2192. /* update NIG params */
  2193. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2194. /* update BRB params */
  2195. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2196. if (0 != bnx2x_status)
  2197. return bnx2x_status;
  2198. if (!vars->link_up)
  2199. return bnx2x_status;
  2200. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2201. if (CHIP_IS_E3(bp))
  2202. bnx2x_update_pfc_xmac(params, vars, 0);
  2203. else {
  2204. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2205. if ((val &
  2206. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2207. == 0) {
  2208. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2209. bnx2x_emac_enable(params, vars, 0);
  2210. return bnx2x_status;
  2211. }
  2212. if (CHIP_IS_E2(bp))
  2213. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2214. else
  2215. bnx2x_update_pfc_bmac1(params, vars);
  2216. val = 0;
  2217. if ((params->feature_config_flags &
  2218. FEATURE_CONFIG_PFC_ENABLED) ||
  2219. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2220. val = 1;
  2221. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2222. }
  2223. return bnx2x_status;
  2224. }
  2225. static int bnx2x_bmac1_enable(struct link_params *params,
  2226. struct link_vars *vars,
  2227. u8 is_lb)
  2228. {
  2229. struct bnx2x *bp = params->bp;
  2230. u8 port = params->port;
  2231. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2232. NIG_REG_INGRESS_BMAC0_MEM;
  2233. u32 wb_data[2];
  2234. u32 val;
  2235. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2236. /* XGXS control */
  2237. wb_data[0] = 0x3c;
  2238. wb_data[1] = 0;
  2239. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2240. wb_data, 2);
  2241. /* tx MAC SA */
  2242. wb_data[0] = ((params->mac_addr[2] << 24) |
  2243. (params->mac_addr[3] << 16) |
  2244. (params->mac_addr[4] << 8) |
  2245. params->mac_addr[5]);
  2246. wb_data[1] = ((params->mac_addr[0] << 8) |
  2247. params->mac_addr[1]);
  2248. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2249. /* mac control */
  2250. val = 0x3;
  2251. if (is_lb) {
  2252. val |= 0x4;
  2253. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2254. }
  2255. wb_data[0] = val;
  2256. wb_data[1] = 0;
  2257. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2258. /* set rx mtu */
  2259. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2260. wb_data[1] = 0;
  2261. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2262. bnx2x_update_pfc_bmac1(params, vars);
  2263. /* set tx 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_TX_MAX_SIZE, wb_data, 2);
  2267. /* set cnt max size */
  2268. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2269. wb_data[1] = 0;
  2270. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2271. /* configure safc */
  2272. wb_data[0] = 0x1000200;
  2273. wb_data[1] = 0;
  2274. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2275. wb_data, 2);
  2276. return 0;
  2277. }
  2278. static int bnx2x_bmac2_enable(struct link_params *params,
  2279. struct link_vars *vars,
  2280. u8 is_lb)
  2281. {
  2282. struct bnx2x *bp = params->bp;
  2283. u8 port = params->port;
  2284. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2285. NIG_REG_INGRESS_BMAC0_MEM;
  2286. u32 wb_data[2];
  2287. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2288. wb_data[0] = 0;
  2289. wb_data[1] = 0;
  2290. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2291. udelay(30);
  2292. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2293. wb_data[0] = 0x3c;
  2294. wb_data[1] = 0;
  2295. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2296. wb_data, 2);
  2297. udelay(30);
  2298. /* tx MAC SA */
  2299. wb_data[0] = ((params->mac_addr[2] << 24) |
  2300. (params->mac_addr[3] << 16) |
  2301. (params->mac_addr[4] << 8) |
  2302. params->mac_addr[5]);
  2303. wb_data[1] = ((params->mac_addr[0] << 8) |
  2304. params->mac_addr[1]);
  2305. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2306. wb_data, 2);
  2307. udelay(30);
  2308. /* Configure SAFC */
  2309. wb_data[0] = 0x1000200;
  2310. wb_data[1] = 0;
  2311. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2312. wb_data, 2);
  2313. udelay(30);
  2314. /* set rx mtu */
  2315. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2316. wb_data[1] = 0;
  2317. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2318. udelay(30);
  2319. /* set tx 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_TX_MAX_SIZE, wb_data, 2);
  2323. udelay(30);
  2324. /* set cnt max size */
  2325. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2326. wb_data[1] = 0;
  2327. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2328. udelay(30);
  2329. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2330. return 0;
  2331. }
  2332. static int bnx2x_bmac_enable(struct link_params *params,
  2333. struct link_vars *vars,
  2334. u8 is_lb)
  2335. {
  2336. int rc = 0;
  2337. u8 port = params->port;
  2338. struct bnx2x *bp = params->bp;
  2339. u32 val;
  2340. /* reset and unreset the BigMac */
  2341. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2342. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2343. msleep(1);
  2344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2345. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2346. /* enable access for bmac registers */
  2347. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2348. /* Enable BMAC according to BMAC type*/
  2349. if (CHIP_IS_E2(bp))
  2350. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2351. else
  2352. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2353. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2354. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2355. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2356. val = 0;
  2357. if ((params->feature_config_flags &
  2358. FEATURE_CONFIG_PFC_ENABLED) ||
  2359. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2360. val = 1;
  2361. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2362. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2363. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2364. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2365. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2366. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2367. vars->mac_type = MAC_TYPE_BMAC;
  2368. return rc;
  2369. }
  2370. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2371. {
  2372. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2373. NIG_REG_INGRESS_BMAC0_MEM;
  2374. u32 wb_data[2];
  2375. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2376. /* Only if the bmac is out of reset */
  2377. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2378. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2379. nig_bmac_enable) {
  2380. if (CHIP_IS_E2(bp)) {
  2381. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2382. REG_RD_DMAE(bp, bmac_addr +
  2383. BIGMAC2_REGISTER_BMAC_CONTROL,
  2384. wb_data, 2);
  2385. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2386. REG_WR_DMAE(bp, bmac_addr +
  2387. BIGMAC2_REGISTER_BMAC_CONTROL,
  2388. wb_data, 2);
  2389. } else {
  2390. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2391. REG_RD_DMAE(bp, bmac_addr +
  2392. BIGMAC_REGISTER_BMAC_CONTROL,
  2393. wb_data, 2);
  2394. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2395. REG_WR_DMAE(bp, bmac_addr +
  2396. BIGMAC_REGISTER_BMAC_CONTROL,
  2397. wb_data, 2);
  2398. }
  2399. msleep(1);
  2400. }
  2401. }
  2402. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2403. u32 line_speed)
  2404. {
  2405. struct bnx2x *bp = params->bp;
  2406. u8 port = params->port;
  2407. u32 init_crd, crd;
  2408. u32 count = 1000;
  2409. /* disable port */
  2410. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2411. /* wait for init credit */
  2412. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2413. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2414. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2415. while ((init_crd != crd) && count) {
  2416. msleep(5);
  2417. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2418. count--;
  2419. }
  2420. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2421. if (init_crd != crd) {
  2422. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2423. init_crd, crd);
  2424. return -EINVAL;
  2425. }
  2426. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2427. line_speed == SPEED_10 ||
  2428. line_speed == SPEED_100 ||
  2429. line_speed == SPEED_1000 ||
  2430. line_speed == SPEED_2500) {
  2431. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2432. /* update threshold */
  2433. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2434. /* update init credit */
  2435. init_crd = 778; /* (800-18-4) */
  2436. } else {
  2437. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2438. ETH_OVREHEAD)/16;
  2439. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2440. /* update threshold */
  2441. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2442. /* update init credit */
  2443. switch (line_speed) {
  2444. case SPEED_10000:
  2445. init_crd = thresh + 553 - 22;
  2446. break;
  2447. default:
  2448. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2449. line_speed);
  2450. return -EINVAL;
  2451. }
  2452. }
  2453. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2454. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2455. line_speed, init_crd);
  2456. /* probe the credit changes */
  2457. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2458. msleep(5);
  2459. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2460. /* enable port */
  2461. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2462. return 0;
  2463. }
  2464. /**
  2465. * bnx2x_get_emac_base - retrive emac base address
  2466. *
  2467. * @bp: driver handle
  2468. * @mdc_mdio_access: access type
  2469. * @port: port id
  2470. *
  2471. * This function selects the MDC/MDIO access (through emac0 or
  2472. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2473. * phy has a default access mode, which could also be overridden
  2474. * by nvram configuration. This parameter, whether this is the
  2475. * default phy configuration, or the nvram overrun
  2476. * configuration, is passed here as mdc_mdio_access and selects
  2477. * the emac_base for the CL45 read/writes operations
  2478. */
  2479. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2480. u32 mdc_mdio_access, u8 port)
  2481. {
  2482. u32 emac_base = 0;
  2483. switch (mdc_mdio_access) {
  2484. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2485. break;
  2486. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2487. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2488. emac_base = GRCBASE_EMAC1;
  2489. else
  2490. emac_base = GRCBASE_EMAC0;
  2491. break;
  2492. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2493. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2494. emac_base = GRCBASE_EMAC0;
  2495. else
  2496. emac_base = GRCBASE_EMAC1;
  2497. break;
  2498. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2499. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2500. break;
  2501. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2502. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2503. break;
  2504. default:
  2505. break;
  2506. }
  2507. return emac_base;
  2508. }
  2509. /******************************************************************/
  2510. /* CL22 access functions */
  2511. /******************************************************************/
  2512. static int bnx2x_cl22_write(struct bnx2x *bp,
  2513. struct bnx2x_phy *phy,
  2514. u16 reg, u16 val)
  2515. {
  2516. u32 tmp, mode;
  2517. u8 i;
  2518. int rc = 0;
  2519. /* Switch to CL22 */
  2520. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2521. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2522. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2523. /* address */
  2524. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2525. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2526. EMAC_MDIO_COMM_START_BUSY);
  2527. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2528. for (i = 0; i < 50; i++) {
  2529. udelay(10);
  2530. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2531. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2532. udelay(5);
  2533. break;
  2534. }
  2535. }
  2536. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2537. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2538. rc = -EFAULT;
  2539. }
  2540. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2541. return rc;
  2542. }
  2543. static int bnx2x_cl22_read(struct bnx2x *bp,
  2544. struct bnx2x_phy *phy,
  2545. u16 reg, u16 *ret_val)
  2546. {
  2547. u32 val, mode;
  2548. u16 i;
  2549. int rc = 0;
  2550. /* Switch to CL22 */
  2551. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2552. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2553. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2554. /* address */
  2555. val = ((phy->addr << 21) | (reg << 16) |
  2556. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2557. EMAC_MDIO_COMM_START_BUSY);
  2558. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2559. for (i = 0; i < 50; i++) {
  2560. udelay(10);
  2561. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2562. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2563. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2564. udelay(5);
  2565. break;
  2566. }
  2567. }
  2568. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2569. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2570. *ret_val = 0;
  2571. rc = -EFAULT;
  2572. }
  2573. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2574. return rc;
  2575. }
  2576. /******************************************************************/
  2577. /* CL45 access functions */
  2578. /******************************************************************/
  2579. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2580. u8 devad, u16 reg, u16 *ret_val)
  2581. {
  2582. u32 val;
  2583. u16 i;
  2584. int rc = 0;
  2585. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2586. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2587. EMAC_MDIO_STATUS_10MB);
  2588. /* address */
  2589. val = ((phy->addr << 21) | (devad << 16) | reg |
  2590. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2591. EMAC_MDIO_COMM_START_BUSY);
  2592. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2593. for (i = 0; i < 50; i++) {
  2594. udelay(10);
  2595. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2596. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2597. udelay(5);
  2598. break;
  2599. }
  2600. }
  2601. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2602. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2603. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2604. *ret_val = 0;
  2605. rc = -EFAULT;
  2606. } else {
  2607. /* data */
  2608. val = ((phy->addr << 21) | (devad << 16) |
  2609. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2610. EMAC_MDIO_COMM_START_BUSY);
  2611. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2612. for (i = 0; i < 50; i++) {
  2613. udelay(10);
  2614. val = REG_RD(bp, phy->mdio_ctrl +
  2615. EMAC_REG_EMAC_MDIO_COMM);
  2616. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2617. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2618. break;
  2619. }
  2620. }
  2621. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2622. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2623. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2624. *ret_val = 0;
  2625. rc = -EFAULT;
  2626. }
  2627. }
  2628. /* Work around for E3 A0 */
  2629. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2630. phy->flags ^= FLAGS_DUMMY_READ;
  2631. if (phy->flags & FLAGS_DUMMY_READ) {
  2632. u16 temp_val;
  2633. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2634. }
  2635. }
  2636. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2637. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2638. EMAC_MDIO_STATUS_10MB);
  2639. return rc;
  2640. }
  2641. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2642. u8 devad, u16 reg, u16 val)
  2643. {
  2644. u32 tmp;
  2645. u8 i;
  2646. int rc = 0;
  2647. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2648. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2649. EMAC_MDIO_STATUS_10MB);
  2650. /* address */
  2651. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2652. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2653. EMAC_MDIO_COMM_START_BUSY);
  2654. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2655. for (i = 0; i < 50; i++) {
  2656. udelay(10);
  2657. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2658. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2659. udelay(5);
  2660. break;
  2661. }
  2662. }
  2663. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2664. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2665. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2666. rc = -EFAULT;
  2667. } else {
  2668. /* data */
  2669. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2670. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2671. EMAC_MDIO_COMM_START_BUSY);
  2672. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2673. for (i = 0; i < 50; i++) {
  2674. udelay(10);
  2675. tmp = REG_RD(bp, phy->mdio_ctrl +
  2676. EMAC_REG_EMAC_MDIO_COMM);
  2677. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2678. udelay(5);
  2679. break;
  2680. }
  2681. }
  2682. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2683. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2684. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2685. rc = -EFAULT;
  2686. }
  2687. }
  2688. /* Work around for E3 A0 */
  2689. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2690. phy->flags ^= FLAGS_DUMMY_READ;
  2691. if (phy->flags & FLAGS_DUMMY_READ) {
  2692. u16 temp_val;
  2693. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2694. }
  2695. }
  2696. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2697. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2698. EMAC_MDIO_STATUS_10MB);
  2699. return rc;
  2700. }
  2701. /******************************************************************/
  2702. /* BSC access functions from E3 */
  2703. /******************************************************************/
  2704. static void bnx2x_bsc_module_sel(struct link_params *params)
  2705. {
  2706. int idx;
  2707. u32 board_cfg, sfp_ctrl;
  2708. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2709. struct bnx2x *bp = params->bp;
  2710. u8 port = params->port;
  2711. /* Read I2C output PINs */
  2712. board_cfg = REG_RD(bp, params->shmem_base +
  2713. offsetof(struct shmem_region,
  2714. dev_info.shared_hw_config.board));
  2715. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2716. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2717. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2718. /* Read I2C output value */
  2719. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2720. offsetof(struct shmem_region,
  2721. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2722. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2723. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2724. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2725. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2726. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2727. }
  2728. static int bnx2x_bsc_read(struct link_params *params,
  2729. struct bnx2x_phy *phy,
  2730. u8 sl_devid,
  2731. u16 sl_addr,
  2732. u8 lc_addr,
  2733. u8 xfer_cnt,
  2734. u32 *data_array)
  2735. {
  2736. u32 val, i;
  2737. int rc = 0;
  2738. struct bnx2x *bp = params->bp;
  2739. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2740. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2741. return -EINVAL;
  2742. }
  2743. if (xfer_cnt > 16) {
  2744. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2745. xfer_cnt);
  2746. return -EINVAL;
  2747. }
  2748. bnx2x_bsc_module_sel(params);
  2749. xfer_cnt = 16 - lc_addr;
  2750. /* enable the engine */
  2751. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2752. val |= MCPR_IMC_COMMAND_ENABLE;
  2753. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2754. /* program slave device ID */
  2755. val = (sl_devid << 16) | sl_addr;
  2756. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2757. /* start xfer with 0 byte to update the address pointer ???*/
  2758. val = (MCPR_IMC_COMMAND_ENABLE) |
  2759. (MCPR_IMC_COMMAND_WRITE_OP <<
  2760. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2761. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2762. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2763. /* poll for completion */
  2764. i = 0;
  2765. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2766. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2767. udelay(10);
  2768. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2769. if (i++ > 1000) {
  2770. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2771. i);
  2772. rc = -EFAULT;
  2773. break;
  2774. }
  2775. }
  2776. if (rc == -EFAULT)
  2777. return rc;
  2778. /* start xfer with read op */
  2779. val = (MCPR_IMC_COMMAND_ENABLE) |
  2780. (MCPR_IMC_COMMAND_READ_OP <<
  2781. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2782. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2783. (xfer_cnt);
  2784. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2785. /* poll for completion */
  2786. i = 0;
  2787. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2788. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2789. udelay(10);
  2790. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2791. if (i++ > 1000) {
  2792. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2793. rc = -EFAULT;
  2794. break;
  2795. }
  2796. }
  2797. if (rc == -EFAULT)
  2798. return rc;
  2799. for (i = (lc_addr >> 2); i < 4; i++) {
  2800. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2801. #ifdef __BIG_ENDIAN
  2802. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2803. ((data_array[i] & 0x0000ff00) << 8) |
  2804. ((data_array[i] & 0x00ff0000) >> 8) |
  2805. ((data_array[i] & 0xff000000) >> 24);
  2806. #endif
  2807. }
  2808. return rc;
  2809. }
  2810. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2811. u8 devad, u16 reg, u16 or_val)
  2812. {
  2813. u16 val;
  2814. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2815. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2816. }
  2817. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2818. u8 devad, u16 reg, u16 *ret_val)
  2819. {
  2820. u8 phy_index;
  2821. /*
  2822. * Probe for the phy according to the given phy_addr, and execute
  2823. * the read request on it
  2824. */
  2825. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2826. if (params->phy[phy_index].addr == phy_addr) {
  2827. return bnx2x_cl45_read(params->bp,
  2828. &params->phy[phy_index], devad,
  2829. reg, ret_val);
  2830. }
  2831. }
  2832. return -EINVAL;
  2833. }
  2834. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2835. u8 devad, u16 reg, u16 val)
  2836. {
  2837. u8 phy_index;
  2838. /*
  2839. * Probe for the phy according to the given phy_addr, and execute
  2840. * the write request on it
  2841. */
  2842. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2843. if (params->phy[phy_index].addr == phy_addr) {
  2844. return bnx2x_cl45_write(params->bp,
  2845. &params->phy[phy_index], devad,
  2846. reg, val);
  2847. }
  2848. }
  2849. return -EINVAL;
  2850. }
  2851. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2852. struct link_params *params)
  2853. {
  2854. u8 lane = 0;
  2855. struct bnx2x *bp = params->bp;
  2856. u32 path_swap, path_swap_ovr;
  2857. u8 path, port;
  2858. path = BP_PATH(bp);
  2859. port = params->port;
  2860. if (bnx2x_is_4_port_mode(bp)) {
  2861. u32 port_swap, port_swap_ovr;
  2862. /*figure out path swap value */
  2863. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2864. if (path_swap_ovr & 0x1)
  2865. path_swap = (path_swap_ovr & 0x2);
  2866. else
  2867. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2868. if (path_swap)
  2869. path = path ^ 1;
  2870. /*figure out port swap value */
  2871. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2872. if (port_swap_ovr & 0x1)
  2873. port_swap = (port_swap_ovr & 0x2);
  2874. else
  2875. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2876. if (port_swap)
  2877. port = port ^ 1;
  2878. lane = (port<<1) + path;
  2879. } else { /* two port mode - no port swap */
  2880. /*figure out path swap value */
  2881. path_swap_ovr =
  2882. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2883. if (path_swap_ovr & 0x1) {
  2884. path_swap = (path_swap_ovr & 0x2);
  2885. } else {
  2886. path_swap =
  2887. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2888. }
  2889. if (path_swap)
  2890. path = path ^ 1;
  2891. lane = path << 1 ;
  2892. }
  2893. return lane;
  2894. }
  2895. static void bnx2x_set_aer_mmd(struct link_params *params,
  2896. struct bnx2x_phy *phy)
  2897. {
  2898. u32 ser_lane;
  2899. u16 offset, aer_val;
  2900. struct bnx2x *bp = params->bp;
  2901. ser_lane = ((params->lane_config &
  2902. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2903. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2904. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2905. (phy->addr + ser_lane) : 0;
  2906. if (USES_WARPCORE(bp)) {
  2907. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2908. /*
  2909. * In Dual-lane mode, two lanes are joined together,
  2910. * so in order to configure them, the AER broadcast method is
  2911. * used here.
  2912. * 0x200 is the broadcast address for lanes 0,1
  2913. * 0x201 is the broadcast address for lanes 2,3
  2914. */
  2915. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2916. aer_val = (aer_val >> 1) | 0x200;
  2917. } else if (CHIP_IS_E2(bp))
  2918. aer_val = 0x3800 + offset - 1;
  2919. else
  2920. aer_val = 0x3800 + offset;
  2921. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2922. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2923. MDIO_AER_BLOCK_AER_REG, aer_val);
  2924. }
  2925. /******************************************************************/
  2926. /* Internal phy section */
  2927. /******************************************************************/
  2928. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2929. {
  2930. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2931. /* Set Clause 22 */
  2932. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2933. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2934. udelay(500);
  2935. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2936. udelay(500);
  2937. /* Set Clause 45 */
  2938. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2939. }
  2940. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2941. {
  2942. u32 val;
  2943. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2944. val = SERDES_RESET_BITS << (port*16);
  2945. /* reset and unreset the SerDes/XGXS */
  2946. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2947. udelay(500);
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2949. bnx2x_set_serdes_access(bp, port);
  2950. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2951. DEFAULT_PHY_DEV_ADDR);
  2952. }
  2953. static void bnx2x_xgxs_deassert(struct link_params *params)
  2954. {
  2955. struct bnx2x *bp = params->bp;
  2956. u8 port;
  2957. u32 val;
  2958. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2959. port = params->port;
  2960. val = XGXS_RESET_BITS << (port*16);
  2961. /* reset and unreset the SerDes/XGXS */
  2962. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2963. udelay(500);
  2964. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2965. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2966. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2967. params->phy[INT_PHY].def_md_devad);
  2968. }
  2969. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2970. struct link_params *params, u16 *ieee_fc)
  2971. {
  2972. struct bnx2x *bp = params->bp;
  2973. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2974. /**
  2975. * resolve pause mode and advertisement Please refer to Table
  2976. * 28B-3 of the 802.3ab-1999 spec
  2977. */
  2978. switch (phy->req_flow_ctrl) {
  2979. case BNX2X_FLOW_CTRL_AUTO:
  2980. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2981. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2982. else
  2983. *ieee_fc |=
  2984. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2985. break;
  2986. case BNX2X_FLOW_CTRL_TX:
  2987. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2988. break;
  2989. case BNX2X_FLOW_CTRL_RX:
  2990. case BNX2X_FLOW_CTRL_BOTH:
  2991. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2992. break;
  2993. case BNX2X_FLOW_CTRL_NONE:
  2994. default:
  2995. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2996. break;
  2997. }
  2998. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2999. }
  3000. static void set_phy_vars(struct link_params *params,
  3001. struct link_vars *vars)
  3002. {
  3003. struct bnx2x *bp = params->bp;
  3004. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3005. u8 phy_config_swapped = params->multi_phy_config &
  3006. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3007. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3008. phy_index++) {
  3009. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3010. actual_phy_idx = phy_index;
  3011. if (phy_config_swapped) {
  3012. if (phy_index == EXT_PHY1)
  3013. actual_phy_idx = EXT_PHY2;
  3014. else if (phy_index == EXT_PHY2)
  3015. actual_phy_idx = EXT_PHY1;
  3016. }
  3017. params->phy[actual_phy_idx].req_flow_ctrl =
  3018. params->req_flow_ctrl[link_cfg_idx];
  3019. params->phy[actual_phy_idx].req_line_speed =
  3020. params->req_line_speed[link_cfg_idx];
  3021. params->phy[actual_phy_idx].speed_cap_mask =
  3022. params->speed_cap_mask[link_cfg_idx];
  3023. params->phy[actual_phy_idx].req_duplex =
  3024. params->req_duplex[link_cfg_idx];
  3025. if (params->req_line_speed[link_cfg_idx] ==
  3026. SPEED_AUTO_NEG)
  3027. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3028. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3029. " speed_cap_mask %x\n",
  3030. params->phy[actual_phy_idx].req_flow_ctrl,
  3031. params->phy[actual_phy_idx].req_line_speed,
  3032. params->phy[actual_phy_idx].speed_cap_mask);
  3033. }
  3034. }
  3035. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3036. struct bnx2x_phy *phy,
  3037. struct link_vars *vars)
  3038. {
  3039. u16 val;
  3040. struct bnx2x *bp = params->bp;
  3041. /* read modify write pause advertizing */
  3042. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3043. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3044. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3045. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3046. if ((vars->ieee_fc &
  3047. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3048. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3049. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3050. }
  3051. if ((vars->ieee_fc &
  3052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3053. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3054. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3055. }
  3056. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3057. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3058. }
  3059. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3060. { /* LD LP */
  3061. switch (pause_result) { /* ASYM P ASYM P */
  3062. case 0xb: /* 1 0 1 1 */
  3063. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3064. break;
  3065. case 0xe: /* 1 1 1 0 */
  3066. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3067. break;
  3068. case 0x5: /* 0 1 0 1 */
  3069. case 0x7: /* 0 1 1 1 */
  3070. case 0xd: /* 1 1 0 1 */
  3071. case 0xf: /* 1 1 1 1 */
  3072. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3073. break;
  3074. default:
  3075. break;
  3076. }
  3077. if (pause_result & (1<<0))
  3078. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3079. if (pause_result & (1<<1))
  3080. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3081. }
  3082. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3083. struct link_params *params,
  3084. struct link_vars *vars)
  3085. {
  3086. struct bnx2x *bp = params->bp;
  3087. u16 ld_pause; /* local */
  3088. u16 lp_pause; /* link partner */
  3089. u16 pause_result;
  3090. u8 ret = 0;
  3091. /* read twice */
  3092. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3093. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3094. vars->flow_ctrl = phy->req_flow_ctrl;
  3095. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3096. vars->flow_ctrl = params->req_fc_auto_adv;
  3097. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3098. ret = 1;
  3099. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3100. bnx2x_cl22_read(bp, phy,
  3101. 0x4, &ld_pause);
  3102. bnx2x_cl22_read(bp, phy,
  3103. 0x5, &lp_pause);
  3104. } else {
  3105. bnx2x_cl45_read(bp, phy,
  3106. MDIO_AN_DEVAD,
  3107. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3108. bnx2x_cl45_read(bp, phy,
  3109. MDIO_AN_DEVAD,
  3110. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3111. }
  3112. pause_result = (ld_pause &
  3113. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3114. pause_result |= (lp_pause &
  3115. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3116. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3117. pause_result);
  3118. bnx2x_pause_resolve(vars, pause_result);
  3119. }
  3120. return ret;
  3121. }
  3122. /******************************************************************/
  3123. /* Warpcore section */
  3124. /******************************************************************/
  3125. /* The init_internal_warpcore should mirror the xgxs,
  3126. * i.e. reset the lane (if needed), set aer for the
  3127. * init configuration, and set/clear SGMII flag. Internal
  3128. * phy init is done purely in phy_init stage.
  3129. */
  3130. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3131. struct link_params *params,
  3132. struct link_vars *vars) {
  3133. u16 val16 = 0, lane, bam37 = 0;
  3134. struct bnx2x *bp = params->bp;
  3135. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3136. /* Check adding advertisement for 1G KX */
  3137. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3138. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3139. (vars->line_speed == SPEED_1000)) {
  3140. u16 sd_digital;
  3141. val16 |= (1<<5);
  3142. /* Enable CL37 1G Parallel Detect */
  3143. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3144. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3145. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3146. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3147. (sd_digital | 0x1));
  3148. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3149. }
  3150. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3151. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3152. (vars->line_speed == SPEED_10000)) {
  3153. /* Check adding advertisement for 10G KR */
  3154. val16 |= (1<<7);
  3155. /* Enable 10G Parallel Detect */
  3156. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3157. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3158. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3159. }
  3160. /* Set Transmit PMD settings */
  3161. lane = bnx2x_get_warpcore_lane(phy, params);
  3162. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3163. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3164. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3165. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3166. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3167. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3168. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3169. 0x03f0);
  3170. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3171. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3172. 0x03f0);
  3173. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3174. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3175. 0x383f);
  3176. /* Advertised speeds */
  3177. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3178. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3179. /* Enable CL37 BAM */
  3180. if (REG_RD(bp, params->shmem_base +
  3181. offsetof(struct shmem_region, dev_info.
  3182. port_hw_config[params->port].default_cfg)) &
  3183. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3184. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3185. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3186. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3187. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3188. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3189. }
  3190. /* Advertise pause */
  3191. bnx2x_ext_phy_set_pause(params, phy, vars);
  3192. /* Enable Autoneg */
  3193. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3194. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3195. /* Over 1G - AN local device user page 1 */
  3196. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3197. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3198. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3199. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3200. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3201. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3202. }
  3203. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3204. struct link_params *params,
  3205. struct link_vars *vars)
  3206. {
  3207. struct bnx2x *bp = params->bp;
  3208. u16 val;
  3209. /* Disable Autoneg */
  3210. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3211. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3212. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3213. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3214. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3215. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3216. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3217. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3218. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3219. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3220. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3221. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3222. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3223. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3224. /* Disable CL36 PCS Tx */
  3225. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3226. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3227. /* Double Wide Single Data Rate @ pll rate */
  3228. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3230. /* Leave cl72 training enable, needed for KR */
  3231. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3232. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3233. 0x2);
  3234. /* Leave CL72 enabled */
  3235. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3236. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3237. &val);
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3240. val | 0x3800);
  3241. /* Set speed via PMA/PMD register */
  3242. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3243. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3244. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3245. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3246. /*Enable encoded forced speed */
  3247. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3248. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3249. /* Turn TX scramble payload only the 64/66 scrambler */
  3250. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3252. /* Turn RX scramble payload only the 64/66 scrambler */
  3253. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3255. /* set and clear loopback to cause a reset to 64/66 decoder */
  3256. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3257. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3258. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3259. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3260. }
  3261. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3262. struct link_params *params,
  3263. u8 is_xfi)
  3264. {
  3265. struct bnx2x *bp = params->bp;
  3266. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3267. /* Hold rxSeqStart */
  3268. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3270. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3271. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3272. /* Hold tx_fifo_reset */
  3273. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3274. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3275. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3277. /* Disable CL73 AN */
  3278. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3279. /* Disable 100FX Enable and Auto-Detect */
  3280. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_FX100_CTRL1, &val);
  3282. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3283. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3284. /* Disable 100FX Idle detect */
  3285. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_FX100_CTRL3, &val);
  3287. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3289. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3292. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3294. /* Turn off auto-detect & fiber mode */
  3295. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3297. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3299. (val & 0xFFEE));
  3300. /* Set filter_force_link, disable_false_link and parallel_detect */
  3301. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3302. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3303. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3305. ((val | 0x0006) & 0xFFFE));
  3306. /* Set XFI / SFI */
  3307. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3309. misc1_val &= ~(0x1f);
  3310. if (is_xfi) {
  3311. misc1_val |= 0x5;
  3312. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3313. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3314. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3315. tx_driver_val =
  3316. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3317. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3318. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3319. } else {
  3320. misc1_val |= 0x9;
  3321. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3322. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3323. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3324. tx_driver_val =
  3325. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3326. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3327. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3328. }
  3329. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3331. /* Set Transmit PMD settings */
  3332. lane = bnx2x_get_warpcore_lane(phy, params);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_TX_FIR_TAP,
  3335. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3336. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3338. tx_driver_val);
  3339. /* Enable fiber mode, enable and invert sig_det */
  3340. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3342. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3343. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3344. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3345. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3349. /* 10G XFI Full Duplex */
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3352. /* Release tx_fifo_reset */
  3353. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3357. /* Release rxSeqStart */
  3358. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3362. }
  3363. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3364. struct bnx2x_phy *phy)
  3365. {
  3366. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3367. }
  3368. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3369. struct bnx2x_phy *phy,
  3370. u16 lane)
  3371. {
  3372. /* Rx0 anaRxControl1G */
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3375. /* Rx2 anaRxControl1G */
  3376. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3384. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3385. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3390. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3391. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3394. /* Serdes Digital Misc1 */
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3397. /* Serdes Digital4 Misc3 */
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3400. /* Set Transmit PMD settings */
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_TX_FIR_TAP,
  3403. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3404. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3405. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3406. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3407. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3409. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3410. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3411. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3412. }
  3413. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3414. struct link_params *params,
  3415. u8 fiber_mode)
  3416. {
  3417. struct bnx2x *bp = params->bp;
  3418. u16 val16, digctrl_kx1, digctrl_kx2;
  3419. u8 lane;
  3420. lane = bnx2x_get_warpcore_lane(phy, params);
  3421. /* Clear XFI clock comp in non-10G single lane mode. */
  3422. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_RX66_CONTROL, &val16);
  3424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3426. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3427. /* SGMII Autoneg */
  3428. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3430. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3432. val16 | 0x1000);
  3433. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3434. } else {
  3435. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3437. val16 &= 0xcfbf;
  3438. switch (phy->req_line_speed) {
  3439. case SPEED_10:
  3440. break;
  3441. case SPEED_100:
  3442. val16 |= 0x2000;
  3443. break;
  3444. case SPEED_1000:
  3445. val16 |= 0x0040;
  3446. break;
  3447. default:
  3448. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3449. "\n", phy->req_line_speed);
  3450. return;
  3451. }
  3452. if (phy->req_duplex == DUPLEX_FULL)
  3453. val16 |= 0x0100;
  3454. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3456. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3457. phy->req_line_speed);
  3458. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3460. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3461. }
  3462. /* SGMII Slave mode and disable signal detect */
  3463. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3465. if (fiber_mode)
  3466. digctrl_kx1 = 1;
  3467. else
  3468. digctrl_kx1 &= 0xff4a;
  3469. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3471. digctrl_kx1);
  3472. /* Turn off parallel detect */
  3473. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3475. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3477. (digctrl_kx2 & ~(1<<2)));
  3478. /* Re-enable parallel detect */
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3481. (digctrl_kx2 | (1<<2)));
  3482. /* Enable autodet */
  3483. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3484. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3485. (digctrl_kx1 | 0x10));
  3486. }
  3487. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3488. struct bnx2x_phy *phy,
  3489. u8 reset)
  3490. {
  3491. u16 val;
  3492. /* Take lane out of reset after configuration is finished */
  3493. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3495. if (reset)
  3496. val |= 0xC000;
  3497. else
  3498. val &= 0x3FFF;
  3499. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3500. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3501. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3503. }
  3504. /* Clear SFI/XFI link settings registers */
  3505. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3506. struct link_params *params,
  3507. u16 lane)
  3508. {
  3509. struct bnx2x *bp = params->bp;
  3510. u16 val16;
  3511. /* Set XFI clock comp as default. */
  3512. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_RX66_CONTROL, &val16);
  3514. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3516. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3517. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3522. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3532. lane = bnx2x_get_warpcore_lane(phy, params);
  3533. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3537. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3538. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3539. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3540. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3541. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3542. }
  3543. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3544. u32 chip_id,
  3545. u32 shmem_base, u8 port,
  3546. u8 *gpio_num, u8 *gpio_port)
  3547. {
  3548. u32 cfg_pin;
  3549. *gpio_num = 0;
  3550. *gpio_port = 0;
  3551. if (CHIP_IS_E3(bp)) {
  3552. cfg_pin = (REG_RD(bp, shmem_base +
  3553. offsetof(struct shmem_region,
  3554. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3555. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3556. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3557. /*
  3558. * Should not happen. This function called upon interrupt
  3559. * triggered by GPIO ( since EPIO can only generate interrupts
  3560. * to MCP).
  3561. * So if this function was called and none of the GPIOs was set,
  3562. * it means the shit hit the fan.
  3563. */
  3564. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3565. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3566. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3567. "module detect indication\n",
  3568. cfg_pin);
  3569. return -EINVAL;
  3570. }
  3571. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3572. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3573. } else {
  3574. *gpio_num = MISC_REGISTERS_GPIO_3;
  3575. *gpio_port = port;
  3576. }
  3577. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3578. return 0;
  3579. }
  3580. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3581. struct link_params *params)
  3582. {
  3583. struct bnx2x *bp = params->bp;
  3584. u8 gpio_num, gpio_port;
  3585. u32 gpio_val;
  3586. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3587. params->shmem_base, params->port,
  3588. &gpio_num, &gpio_port) != 0)
  3589. return 0;
  3590. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3591. /* Call the handling function in case module is detected */
  3592. if (gpio_val == 0)
  3593. return 1;
  3594. else
  3595. return 0;
  3596. }
  3597. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3598. struct link_params *params,
  3599. struct link_vars *vars)
  3600. {
  3601. struct bnx2x *bp = params->bp;
  3602. u32 serdes_net_if;
  3603. u8 fiber_mode;
  3604. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3605. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3606. offsetof(struct shmem_region, dev_info.
  3607. port_hw_config[params->port].default_cfg)) &
  3608. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3609. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3610. "serdes_net_if = 0x%x\n",
  3611. vars->line_speed, serdes_net_if);
  3612. bnx2x_set_aer_mmd(params, phy);
  3613. vars->phy_flags |= PHY_XGXS_FLAG;
  3614. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3615. (phy->req_line_speed &&
  3616. ((phy->req_line_speed == SPEED_100) ||
  3617. (phy->req_line_speed == SPEED_10)))) {
  3618. vars->phy_flags |= PHY_SGMII_FLAG;
  3619. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3620. bnx2x_warpcore_clear_regs(phy, params, lane);
  3621. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3622. } else {
  3623. switch (serdes_net_if) {
  3624. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3625. /* Enable KR Auto Neg */
  3626. if (params->loopback_mode == LOOPBACK_NONE)
  3627. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3628. else {
  3629. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3630. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3631. }
  3632. break;
  3633. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3634. bnx2x_warpcore_clear_regs(phy, params, lane);
  3635. if (vars->line_speed == SPEED_10000) {
  3636. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3637. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3638. } else {
  3639. if (SINGLE_MEDIA_DIRECT(params)) {
  3640. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3641. fiber_mode = 1;
  3642. } else {
  3643. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3644. fiber_mode = 0;
  3645. }
  3646. bnx2x_warpcore_set_sgmii_speed(phy,
  3647. params,
  3648. fiber_mode);
  3649. }
  3650. break;
  3651. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3652. bnx2x_warpcore_clear_regs(phy, params, lane);
  3653. if (vars->line_speed == SPEED_10000) {
  3654. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3655. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3656. } else if (vars->line_speed == SPEED_1000) {
  3657. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3658. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3659. }
  3660. /* Issue Module detection */
  3661. if (bnx2x_is_sfp_module_plugged(phy, params))
  3662. bnx2x_sfp_module_detection(phy, params);
  3663. break;
  3664. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3665. if (vars->line_speed != SPEED_20000) {
  3666. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3667. return;
  3668. }
  3669. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3670. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3671. /* Issue Module detection */
  3672. bnx2x_sfp_module_detection(phy, params);
  3673. break;
  3674. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3675. if (vars->line_speed != SPEED_20000) {
  3676. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3677. return;
  3678. }
  3679. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3680. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3681. break;
  3682. default:
  3683. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3684. "0x%x\n", serdes_net_if);
  3685. return;
  3686. }
  3687. }
  3688. /* Take lane out of reset after configuration is finished */
  3689. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3690. DP(NETIF_MSG_LINK, "Exit config init\n");
  3691. }
  3692. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3693. struct bnx2x_phy *phy,
  3694. u8 tx_en)
  3695. {
  3696. struct bnx2x *bp = params->bp;
  3697. u32 cfg_pin;
  3698. u8 port = params->port;
  3699. cfg_pin = REG_RD(bp, params->shmem_base +
  3700. offsetof(struct shmem_region,
  3701. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3702. PORT_HW_CFG_TX_LASER_MASK;
  3703. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3704. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3705. /* For 20G, the expected pin to be used is 3 pins after the current */
  3706. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3707. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3708. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3709. }
  3710. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3711. struct link_params *params)
  3712. {
  3713. struct bnx2x *bp = params->bp;
  3714. u16 val16;
  3715. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3716. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3717. bnx2x_set_aer_mmd(params, phy);
  3718. /* Global register */
  3719. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3720. /* Clear loopback settings (if any) */
  3721. /* 10G & 20G */
  3722. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3723. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3724. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3725. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3726. 0xBFFF);
  3727. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3728. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3729. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3730. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3731. /* Update those 1-copy registers */
  3732. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3733. MDIO_AER_BLOCK_AER_REG, 0);
  3734. /* Enable 1G MDIO (1-copy) */
  3735. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3736. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3737. &val16);
  3738. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3739. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3740. val16 & ~0x10);
  3741. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3742. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3743. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3744. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3745. val16 & 0xff00);
  3746. }
  3747. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3748. struct link_params *params)
  3749. {
  3750. struct bnx2x *bp = params->bp;
  3751. u16 val16;
  3752. u32 lane;
  3753. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3754. params->loopback_mode, phy->req_line_speed);
  3755. if (phy->req_line_speed < SPEED_10000) {
  3756. /* 10/100/1000 */
  3757. /* Update those 1-copy registers */
  3758. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3759. MDIO_AER_BLOCK_AER_REG, 0);
  3760. /* Enable 1G MDIO (1-copy) */
  3761. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3762. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3763. &val16);
  3764. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3765. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3766. val16 | 0x10);
  3767. /* Set 1G loopback based on lane (1-copy) */
  3768. lane = bnx2x_get_warpcore_lane(phy, params);
  3769. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3770. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3771. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3772. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3773. val16 | (1<<lane));
  3774. /* Switch back to 4-copy registers */
  3775. bnx2x_set_aer_mmd(params, phy);
  3776. /* Global loopback, not recommended. */
  3777. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3778. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3779. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3780. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3781. 0x4000);
  3782. } else {
  3783. /* 10G & 20G */
  3784. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3785. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3786. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3787. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3788. 0x4000);
  3789. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3790. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3791. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3792. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3793. }
  3794. }
  3795. void bnx2x_link_status_update(struct link_params *params,
  3796. struct link_vars *vars)
  3797. {
  3798. struct bnx2x *bp = params->bp;
  3799. u8 link_10g_plus;
  3800. u8 port = params->port;
  3801. u32 sync_offset, media_types;
  3802. /* Update PHY configuration */
  3803. set_phy_vars(params, vars);
  3804. vars->link_status = REG_RD(bp, params->shmem_base +
  3805. offsetof(struct shmem_region,
  3806. port_mb[port].link_status));
  3807. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3808. vars->phy_flags = PHY_XGXS_FLAG;
  3809. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3810. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3811. if (vars->link_up) {
  3812. DP(NETIF_MSG_LINK, "phy link up\n");
  3813. vars->phy_link_up = 1;
  3814. vars->duplex = DUPLEX_FULL;
  3815. switch (vars->link_status &
  3816. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3817. case LINK_10THD:
  3818. vars->duplex = DUPLEX_HALF;
  3819. /* fall thru */
  3820. case LINK_10TFD:
  3821. vars->line_speed = SPEED_10;
  3822. break;
  3823. case LINK_100TXHD:
  3824. vars->duplex = DUPLEX_HALF;
  3825. /* fall thru */
  3826. case LINK_100T4:
  3827. case LINK_100TXFD:
  3828. vars->line_speed = SPEED_100;
  3829. break;
  3830. case LINK_1000THD:
  3831. vars->duplex = DUPLEX_HALF;
  3832. /* fall thru */
  3833. case LINK_1000TFD:
  3834. vars->line_speed = SPEED_1000;
  3835. break;
  3836. case LINK_2500THD:
  3837. vars->duplex = DUPLEX_HALF;
  3838. /* fall thru */
  3839. case LINK_2500TFD:
  3840. vars->line_speed = SPEED_2500;
  3841. break;
  3842. case LINK_10GTFD:
  3843. vars->line_speed = SPEED_10000;
  3844. break;
  3845. case LINK_20GTFD:
  3846. vars->line_speed = SPEED_20000;
  3847. break;
  3848. default:
  3849. break;
  3850. }
  3851. vars->flow_ctrl = 0;
  3852. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3853. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3854. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3855. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3856. if (!vars->flow_ctrl)
  3857. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3858. if (vars->line_speed &&
  3859. ((vars->line_speed == SPEED_10) ||
  3860. (vars->line_speed == SPEED_100))) {
  3861. vars->phy_flags |= PHY_SGMII_FLAG;
  3862. } else {
  3863. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3864. }
  3865. if (vars->line_speed &&
  3866. USES_WARPCORE(bp) &&
  3867. (vars->line_speed == SPEED_1000))
  3868. vars->phy_flags |= PHY_SGMII_FLAG;
  3869. /* anything 10 and over uses the bmac */
  3870. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3871. if (link_10g_plus) {
  3872. if (USES_WARPCORE(bp))
  3873. vars->mac_type = MAC_TYPE_XMAC;
  3874. else
  3875. vars->mac_type = MAC_TYPE_BMAC;
  3876. } else {
  3877. if (USES_WARPCORE(bp))
  3878. vars->mac_type = MAC_TYPE_UMAC;
  3879. else
  3880. vars->mac_type = MAC_TYPE_EMAC;
  3881. }
  3882. } else { /* link down */
  3883. DP(NETIF_MSG_LINK, "phy link down\n");
  3884. vars->phy_link_up = 0;
  3885. vars->line_speed = 0;
  3886. vars->duplex = DUPLEX_FULL;
  3887. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3888. /* indicate no mac active */
  3889. vars->mac_type = MAC_TYPE_NONE;
  3890. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3891. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3892. }
  3893. /* Sync media type */
  3894. sync_offset = params->shmem_base +
  3895. offsetof(struct shmem_region,
  3896. dev_info.port_hw_config[port].media_type);
  3897. media_types = REG_RD(bp, sync_offset);
  3898. params->phy[INT_PHY].media_type =
  3899. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3900. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3901. params->phy[EXT_PHY1].media_type =
  3902. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3903. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3904. params->phy[EXT_PHY2].media_type =
  3905. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3906. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3907. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3908. /* Sync AEU offset */
  3909. sync_offset = params->shmem_base +
  3910. offsetof(struct shmem_region,
  3911. dev_info.port_hw_config[port].aeu_int_mask);
  3912. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3913. /* Sync PFC status */
  3914. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3915. params->feature_config_flags |=
  3916. FEATURE_CONFIG_PFC_ENABLED;
  3917. else
  3918. params->feature_config_flags &=
  3919. ~FEATURE_CONFIG_PFC_ENABLED;
  3920. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3921. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3922. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3923. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3924. }
  3925. static void bnx2x_set_master_ln(struct link_params *params,
  3926. struct bnx2x_phy *phy)
  3927. {
  3928. struct bnx2x *bp = params->bp;
  3929. u16 new_master_ln, ser_lane;
  3930. ser_lane = ((params->lane_config &
  3931. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3932. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3933. /* set the master_ln for AN */
  3934. CL22_RD_OVER_CL45(bp, phy,
  3935. MDIO_REG_BANK_XGXS_BLOCK2,
  3936. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3937. &new_master_ln);
  3938. CL22_WR_OVER_CL45(bp, phy,
  3939. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3940. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3941. (new_master_ln | ser_lane));
  3942. }
  3943. static int bnx2x_reset_unicore(struct link_params *params,
  3944. struct bnx2x_phy *phy,
  3945. u8 set_serdes)
  3946. {
  3947. struct bnx2x *bp = params->bp;
  3948. u16 mii_control;
  3949. u16 i;
  3950. CL22_RD_OVER_CL45(bp, phy,
  3951. MDIO_REG_BANK_COMBO_IEEE0,
  3952. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3953. /* reset the unicore */
  3954. CL22_WR_OVER_CL45(bp, phy,
  3955. MDIO_REG_BANK_COMBO_IEEE0,
  3956. MDIO_COMBO_IEEE0_MII_CONTROL,
  3957. (mii_control |
  3958. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3959. if (set_serdes)
  3960. bnx2x_set_serdes_access(bp, params->port);
  3961. /* wait for the reset to self clear */
  3962. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3963. udelay(5);
  3964. /* the reset erased the previous bank value */
  3965. CL22_RD_OVER_CL45(bp, phy,
  3966. MDIO_REG_BANK_COMBO_IEEE0,
  3967. MDIO_COMBO_IEEE0_MII_CONTROL,
  3968. &mii_control);
  3969. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3970. udelay(5);
  3971. return 0;
  3972. }
  3973. }
  3974. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3975. " Port %d\n",
  3976. params->port);
  3977. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3978. return -EINVAL;
  3979. }
  3980. static void bnx2x_set_swap_lanes(struct link_params *params,
  3981. struct bnx2x_phy *phy)
  3982. {
  3983. struct bnx2x *bp = params->bp;
  3984. /*
  3985. * Each two bits represents a lane number:
  3986. * No swap is 0123 => 0x1b no need to enable the swap
  3987. */
  3988. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3989. ser_lane = ((params->lane_config &
  3990. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3991. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3992. rx_lane_swap = ((params->lane_config &
  3993. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3994. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  3995. tx_lane_swap = ((params->lane_config &
  3996. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  3997. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  3998. if (rx_lane_swap != 0x1b) {
  3999. CL22_WR_OVER_CL45(bp, phy,
  4000. MDIO_REG_BANK_XGXS_BLOCK2,
  4001. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4002. (rx_lane_swap |
  4003. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4004. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4005. } else {
  4006. CL22_WR_OVER_CL45(bp, phy,
  4007. MDIO_REG_BANK_XGXS_BLOCK2,
  4008. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4009. }
  4010. if (tx_lane_swap != 0x1b) {
  4011. CL22_WR_OVER_CL45(bp, phy,
  4012. MDIO_REG_BANK_XGXS_BLOCK2,
  4013. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4014. (tx_lane_swap |
  4015. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4016. } else {
  4017. CL22_WR_OVER_CL45(bp, phy,
  4018. MDIO_REG_BANK_XGXS_BLOCK2,
  4019. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4020. }
  4021. }
  4022. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4023. struct link_params *params)
  4024. {
  4025. struct bnx2x *bp = params->bp;
  4026. u16 control2;
  4027. CL22_RD_OVER_CL45(bp, phy,
  4028. MDIO_REG_BANK_SERDES_DIGITAL,
  4029. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4030. &control2);
  4031. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4032. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4033. else
  4034. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4035. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4036. phy->speed_cap_mask, control2);
  4037. CL22_WR_OVER_CL45(bp, phy,
  4038. MDIO_REG_BANK_SERDES_DIGITAL,
  4039. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4040. control2);
  4041. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4042. (phy->speed_cap_mask &
  4043. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4044. DP(NETIF_MSG_LINK, "XGXS\n");
  4045. CL22_WR_OVER_CL45(bp, phy,
  4046. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4047. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4048. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4049. CL22_RD_OVER_CL45(bp, phy,
  4050. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4051. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4052. &control2);
  4053. control2 |=
  4054. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4055. CL22_WR_OVER_CL45(bp, phy,
  4056. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4057. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4058. control2);
  4059. /* Disable parallel detection of HiG */
  4060. CL22_WR_OVER_CL45(bp, phy,
  4061. MDIO_REG_BANK_XGXS_BLOCK2,
  4062. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4063. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4064. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4065. }
  4066. }
  4067. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4068. struct link_params *params,
  4069. struct link_vars *vars,
  4070. u8 enable_cl73)
  4071. {
  4072. struct bnx2x *bp = params->bp;
  4073. u16 reg_val;
  4074. /* CL37 Autoneg */
  4075. CL22_RD_OVER_CL45(bp, phy,
  4076. MDIO_REG_BANK_COMBO_IEEE0,
  4077. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4078. /* CL37 Autoneg Enabled */
  4079. if (vars->line_speed == SPEED_AUTO_NEG)
  4080. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4081. else /* CL37 Autoneg Disabled */
  4082. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4083. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4084. CL22_WR_OVER_CL45(bp, phy,
  4085. MDIO_REG_BANK_COMBO_IEEE0,
  4086. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4087. /* Enable/Disable Autodetection */
  4088. CL22_RD_OVER_CL45(bp, phy,
  4089. MDIO_REG_BANK_SERDES_DIGITAL,
  4090. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4091. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4092. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4093. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4094. if (vars->line_speed == SPEED_AUTO_NEG)
  4095. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4096. else
  4097. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4098. CL22_WR_OVER_CL45(bp, phy,
  4099. MDIO_REG_BANK_SERDES_DIGITAL,
  4100. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4101. /* Enable TetonII and BAM autoneg */
  4102. CL22_RD_OVER_CL45(bp, phy,
  4103. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4104. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4105. &reg_val);
  4106. if (vars->line_speed == SPEED_AUTO_NEG) {
  4107. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4108. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4109. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4110. } else {
  4111. /* TetonII and BAM Autoneg Disabled */
  4112. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4113. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4114. }
  4115. CL22_WR_OVER_CL45(bp, phy,
  4116. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4117. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4118. reg_val);
  4119. if (enable_cl73) {
  4120. /* Enable Cl73 FSM status bits */
  4121. CL22_WR_OVER_CL45(bp, phy,
  4122. MDIO_REG_BANK_CL73_USERB0,
  4123. MDIO_CL73_USERB0_CL73_UCTRL,
  4124. 0xe);
  4125. /* Enable BAM Station Manager*/
  4126. CL22_WR_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_CL73_USERB0,
  4128. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4129. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4130. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4131. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4132. /* Advertise CL73 link speeds */
  4133. CL22_RD_OVER_CL45(bp, phy,
  4134. MDIO_REG_BANK_CL73_IEEEB1,
  4135. MDIO_CL73_IEEEB1_AN_ADV2,
  4136. &reg_val);
  4137. if (phy->speed_cap_mask &
  4138. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4139. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4140. if (phy->speed_cap_mask &
  4141. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4142. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4143. CL22_WR_OVER_CL45(bp, phy,
  4144. MDIO_REG_BANK_CL73_IEEEB1,
  4145. MDIO_CL73_IEEEB1_AN_ADV2,
  4146. reg_val);
  4147. /* CL73 Autoneg Enabled */
  4148. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4149. } else /* CL73 Autoneg Disabled */
  4150. reg_val = 0;
  4151. CL22_WR_OVER_CL45(bp, phy,
  4152. MDIO_REG_BANK_CL73_IEEEB0,
  4153. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4154. }
  4155. /* program SerDes, forced speed */
  4156. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4157. struct link_params *params,
  4158. struct link_vars *vars)
  4159. {
  4160. struct bnx2x *bp = params->bp;
  4161. u16 reg_val;
  4162. /* program duplex, disable autoneg and sgmii*/
  4163. CL22_RD_OVER_CL45(bp, phy,
  4164. MDIO_REG_BANK_COMBO_IEEE0,
  4165. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4166. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4167. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4168. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4169. if (phy->req_duplex == DUPLEX_FULL)
  4170. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4171. CL22_WR_OVER_CL45(bp, phy,
  4172. MDIO_REG_BANK_COMBO_IEEE0,
  4173. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4174. /*
  4175. * program speed
  4176. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4177. */
  4178. CL22_RD_OVER_CL45(bp, phy,
  4179. MDIO_REG_BANK_SERDES_DIGITAL,
  4180. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4181. /* clearing the speed value before setting the right speed */
  4182. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4183. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4184. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4185. if (!((vars->line_speed == SPEED_1000) ||
  4186. (vars->line_speed == SPEED_100) ||
  4187. (vars->line_speed == SPEED_10))) {
  4188. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4189. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4190. if (vars->line_speed == SPEED_10000)
  4191. reg_val |=
  4192. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4193. }
  4194. CL22_WR_OVER_CL45(bp, phy,
  4195. MDIO_REG_BANK_SERDES_DIGITAL,
  4196. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4197. }
  4198. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4199. struct link_params *params)
  4200. {
  4201. struct bnx2x *bp = params->bp;
  4202. u16 val = 0;
  4203. /* configure the 48 bits for BAM AN */
  4204. /* set extended capabilities */
  4205. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4206. val |= MDIO_OVER_1G_UP1_2_5G;
  4207. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4208. val |= MDIO_OVER_1G_UP1_10G;
  4209. CL22_WR_OVER_CL45(bp, phy,
  4210. MDIO_REG_BANK_OVER_1G,
  4211. MDIO_OVER_1G_UP1, val);
  4212. CL22_WR_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_OVER_1G,
  4214. MDIO_OVER_1G_UP3, 0x400);
  4215. }
  4216. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4217. struct link_params *params,
  4218. u16 ieee_fc)
  4219. {
  4220. struct bnx2x *bp = params->bp;
  4221. u16 val;
  4222. /* for AN, we are always publishing full duplex */
  4223. CL22_WR_OVER_CL45(bp, phy,
  4224. MDIO_REG_BANK_COMBO_IEEE0,
  4225. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4226. CL22_RD_OVER_CL45(bp, phy,
  4227. MDIO_REG_BANK_CL73_IEEEB1,
  4228. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4229. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4230. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4231. CL22_WR_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_CL73_IEEEB1,
  4233. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4234. }
  4235. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4236. struct link_params *params,
  4237. u8 enable_cl73)
  4238. {
  4239. struct bnx2x *bp = params->bp;
  4240. u16 mii_control;
  4241. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4242. /* Enable and restart BAM/CL37 aneg */
  4243. if (enable_cl73) {
  4244. CL22_RD_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_CL73_IEEEB0,
  4246. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4247. &mii_control);
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_CL73_IEEEB0,
  4250. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4251. (mii_control |
  4252. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4253. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4254. } else {
  4255. CL22_RD_OVER_CL45(bp, phy,
  4256. MDIO_REG_BANK_COMBO_IEEE0,
  4257. MDIO_COMBO_IEEE0_MII_CONTROL,
  4258. &mii_control);
  4259. DP(NETIF_MSG_LINK,
  4260. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4261. mii_control);
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_COMBO_IEEE0,
  4264. MDIO_COMBO_IEEE0_MII_CONTROL,
  4265. (mii_control |
  4266. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4267. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4268. }
  4269. }
  4270. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4271. struct link_params *params,
  4272. struct link_vars *vars)
  4273. {
  4274. struct bnx2x *bp = params->bp;
  4275. u16 control1;
  4276. /* in SGMII mode, the unicore is always slave */
  4277. CL22_RD_OVER_CL45(bp, phy,
  4278. MDIO_REG_BANK_SERDES_DIGITAL,
  4279. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4280. &control1);
  4281. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4282. /* set sgmii mode (and not fiber) */
  4283. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4284. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4285. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_SERDES_DIGITAL,
  4288. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4289. control1);
  4290. /* if forced speed */
  4291. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4292. /* set speed, disable autoneg */
  4293. u16 mii_control;
  4294. CL22_RD_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_COMBO_IEEE0,
  4296. MDIO_COMBO_IEEE0_MII_CONTROL,
  4297. &mii_control);
  4298. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4299. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4300. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4301. switch (vars->line_speed) {
  4302. case SPEED_100:
  4303. mii_control |=
  4304. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4305. break;
  4306. case SPEED_1000:
  4307. mii_control |=
  4308. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4309. break;
  4310. case SPEED_10:
  4311. /* there is nothing to set for 10M */
  4312. break;
  4313. default:
  4314. /* invalid speed for SGMII */
  4315. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4316. vars->line_speed);
  4317. break;
  4318. }
  4319. /* setting the full duplex */
  4320. if (phy->req_duplex == DUPLEX_FULL)
  4321. mii_control |=
  4322. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4323. CL22_WR_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_COMBO_IEEE0,
  4325. MDIO_COMBO_IEEE0_MII_CONTROL,
  4326. mii_control);
  4327. } else { /* AN mode */
  4328. /* enable and restart AN */
  4329. bnx2x_restart_autoneg(phy, params, 0);
  4330. }
  4331. }
  4332. /*
  4333. * link management
  4334. */
  4335. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4336. struct link_params *params)
  4337. {
  4338. struct bnx2x *bp = params->bp;
  4339. u16 pd_10g, status2_1000x;
  4340. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4341. return 0;
  4342. CL22_RD_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_SERDES_DIGITAL,
  4344. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4345. &status2_1000x);
  4346. CL22_RD_OVER_CL45(bp, phy,
  4347. MDIO_REG_BANK_SERDES_DIGITAL,
  4348. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4349. &status2_1000x);
  4350. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4351. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4352. params->port);
  4353. return 1;
  4354. }
  4355. CL22_RD_OVER_CL45(bp, phy,
  4356. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4357. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4358. &pd_10g);
  4359. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4360. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4361. params->port);
  4362. return 1;
  4363. }
  4364. return 0;
  4365. }
  4366. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4367. struct link_params *params,
  4368. struct link_vars *vars,
  4369. u32 gp_status)
  4370. {
  4371. struct bnx2x *bp = params->bp;
  4372. u16 ld_pause; /* local driver */
  4373. u16 lp_pause; /* link partner */
  4374. u16 pause_result;
  4375. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4376. /* resolve from gp_status in case of AN complete and not sgmii */
  4377. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4378. vars->flow_ctrl = phy->req_flow_ctrl;
  4379. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4380. vars->flow_ctrl = params->req_fc_auto_adv;
  4381. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4382. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4383. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4384. vars->flow_ctrl = params->req_fc_auto_adv;
  4385. return;
  4386. }
  4387. if ((gp_status &
  4388. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4389. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4390. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4391. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4392. CL22_RD_OVER_CL45(bp, phy,
  4393. MDIO_REG_BANK_CL73_IEEEB1,
  4394. MDIO_CL73_IEEEB1_AN_ADV1,
  4395. &ld_pause);
  4396. CL22_RD_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_CL73_IEEEB1,
  4398. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4399. &lp_pause);
  4400. pause_result = (ld_pause &
  4401. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4402. >> 8;
  4403. pause_result |= (lp_pause &
  4404. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4405. >> 10;
  4406. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4407. pause_result);
  4408. } else {
  4409. CL22_RD_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_COMBO_IEEE0,
  4411. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4412. &ld_pause);
  4413. CL22_RD_OVER_CL45(bp, phy,
  4414. MDIO_REG_BANK_COMBO_IEEE0,
  4415. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4416. &lp_pause);
  4417. pause_result = (ld_pause &
  4418. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4419. pause_result |= (lp_pause &
  4420. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4421. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4422. pause_result);
  4423. }
  4424. bnx2x_pause_resolve(vars, pause_result);
  4425. }
  4426. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4427. }
  4428. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4429. struct link_params *params)
  4430. {
  4431. struct bnx2x *bp = params->bp;
  4432. u16 rx_status, ustat_val, cl37_fsm_received;
  4433. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4434. /* Step 1: Make sure signal is detected */
  4435. CL22_RD_OVER_CL45(bp, phy,
  4436. MDIO_REG_BANK_RX0,
  4437. MDIO_RX0_RX_STATUS,
  4438. &rx_status);
  4439. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4440. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4441. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4442. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4443. CL22_WR_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_CL73_IEEEB0,
  4445. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4446. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4447. return;
  4448. }
  4449. /* Step 2: Check CL73 state machine */
  4450. CL22_RD_OVER_CL45(bp, phy,
  4451. MDIO_REG_BANK_CL73_USERB0,
  4452. MDIO_CL73_USERB0_CL73_USTAT1,
  4453. &ustat_val);
  4454. if ((ustat_val &
  4455. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4456. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4457. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4458. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4459. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4460. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4461. return;
  4462. }
  4463. /*
  4464. * Step 3: Check CL37 Message Pages received to indicate LP
  4465. * supports only CL37
  4466. */
  4467. CL22_RD_OVER_CL45(bp, phy,
  4468. MDIO_REG_BANK_REMOTE_PHY,
  4469. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4470. &cl37_fsm_received);
  4471. if ((cl37_fsm_received &
  4472. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4473. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4474. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4475. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4476. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4477. "misc_rx_status(0x8330) = 0x%x\n",
  4478. cl37_fsm_received);
  4479. return;
  4480. }
  4481. /*
  4482. * The combined cl37/cl73 fsm state information indicating that
  4483. * we are connected to a device which does not support cl73, but
  4484. * does support cl37 BAM. In this case we disable cl73 and
  4485. * restart cl37 auto-neg
  4486. */
  4487. /* Disable CL73 */
  4488. CL22_WR_OVER_CL45(bp, phy,
  4489. MDIO_REG_BANK_CL73_IEEEB0,
  4490. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4491. 0);
  4492. /* Restart CL37 autoneg */
  4493. bnx2x_restart_autoneg(phy, params, 0);
  4494. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4495. }
  4496. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4497. struct link_params *params,
  4498. struct link_vars *vars,
  4499. u32 gp_status)
  4500. {
  4501. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4502. vars->link_status |=
  4503. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4504. if (bnx2x_direct_parallel_detect_used(phy, params))
  4505. vars->link_status |=
  4506. LINK_STATUS_PARALLEL_DETECTION_USED;
  4507. }
  4508. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4509. struct link_params *params,
  4510. struct link_vars *vars,
  4511. u16 is_link_up,
  4512. u16 speed_mask,
  4513. u16 is_duplex)
  4514. {
  4515. struct bnx2x *bp = params->bp;
  4516. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4517. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4518. if (is_link_up) {
  4519. DP(NETIF_MSG_LINK, "phy link up\n");
  4520. vars->phy_link_up = 1;
  4521. vars->link_status |= LINK_STATUS_LINK_UP;
  4522. switch (speed_mask) {
  4523. case GP_STATUS_10M:
  4524. vars->line_speed = SPEED_10;
  4525. if (vars->duplex == DUPLEX_FULL)
  4526. vars->link_status |= LINK_10TFD;
  4527. else
  4528. vars->link_status |= LINK_10THD;
  4529. break;
  4530. case GP_STATUS_100M:
  4531. vars->line_speed = SPEED_100;
  4532. if (vars->duplex == DUPLEX_FULL)
  4533. vars->link_status |= LINK_100TXFD;
  4534. else
  4535. vars->link_status |= LINK_100TXHD;
  4536. break;
  4537. case GP_STATUS_1G:
  4538. case GP_STATUS_1G_KX:
  4539. vars->line_speed = SPEED_1000;
  4540. if (vars->duplex == DUPLEX_FULL)
  4541. vars->link_status |= LINK_1000TFD;
  4542. else
  4543. vars->link_status |= LINK_1000THD;
  4544. break;
  4545. case GP_STATUS_2_5G:
  4546. vars->line_speed = SPEED_2500;
  4547. if (vars->duplex == DUPLEX_FULL)
  4548. vars->link_status |= LINK_2500TFD;
  4549. else
  4550. vars->link_status |= LINK_2500THD;
  4551. break;
  4552. case GP_STATUS_5G:
  4553. case GP_STATUS_6G:
  4554. DP(NETIF_MSG_LINK,
  4555. "link speed unsupported gp_status 0x%x\n",
  4556. speed_mask);
  4557. return -EINVAL;
  4558. case GP_STATUS_10G_KX4:
  4559. case GP_STATUS_10G_HIG:
  4560. case GP_STATUS_10G_CX4:
  4561. case GP_STATUS_10G_KR:
  4562. case GP_STATUS_10G_SFI:
  4563. case GP_STATUS_10G_XFI:
  4564. vars->line_speed = SPEED_10000;
  4565. vars->link_status |= LINK_10GTFD;
  4566. break;
  4567. case GP_STATUS_20G_DXGXS:
  4568. vars->line_speed = SPEED_20000;
  4569. vars->link_status |= LINK_20GTFD;
  4570. break;
  4571. default:
  4572. DP(NETIF_MSG_LINK,
  4573. "link speed unsupported gp_status 0x%x\n",
  4574. speed_mask);
  4575. return -EINVAL;
  4576. }
  4577. } else { /* link_down */
  4578. DP(NETIF_MSG_LINK, "phy link down\n");
  4579. vars->phy_link_up = 0;
  4580. vars->duplex = DUPLEX_FULL;
  4581. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4582. vars->mac_type = MAC_TYPE_NONE;
  4583. }
  4584. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4585. vars->phy_link_up, vars->line_speed);
  4586. return 0;
  4587. }
  4588. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4589. struct link_params *params,
  4590. struct link_vars *vars)
  4591. {
  4592. struct bnx2x *bp = params->bp;
  4593. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4594. int rc = 0;
  4595. /* Read gp_status */
  4596. CL22_RD_OVER_CL45(bp, phy,
  4597. MDIO_REG_BANK_GP_STATUS,
  4598. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4599. &gp_status);
  4600. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4601. duplex = DUPLEX_FULL;
  4602. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4603. link_up = 1;
  4604. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4605. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4606. gp_status, link_up, speed_mask);
  4607. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4608. duplex);
  4609. if (rc == -EINVAL)
  4610. return rc;
  4611. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4612. if (SINGLE_MEDIA_DIRECT(params)) {
  4613. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4614. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4615. bnx2x_xgxs_an_resolve(phy, params, vars,
  4616. gp_status);
  4617. }
  4618. } else { /* link_down */
  4619. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4620. SINGLE_MEDIA_DIRECT(params)) {
  4621. /* Check signal is detected */
  4622. bnx2x_check_fallback_to_cl37(phy, params);
  4623. }
  4624. }
  4625. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4626. vars->duplex, vars->flow_ctrl, vars->link_status);
  4627. return rc;
  4628. }
  4629. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4630. struct link_params *params,
  4631. struct link_vars *vars)
  4632. {
  4633. struct bnx2x *bp = params->bp;
  4634. u8 lane;
  4635. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4636. int rc = 0;
  4637. lane = bnx2x_get_warpcore_lane(phy, params);
  4638. /* Read gp_status */
  4639. if (phy->req_line_speed > SPEED_10000) {
  4640. u16 temp_link_up;
  4641. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4642. 1, &temp_link_up);
  4643. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4644. 1, &link_up);
  4645. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4646. temp_link_up, link_up);
  4647. link_up &= (1<<2);
  4648. if (link_up)
  4649. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4650. } else {
  4651. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4652. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4653. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4654. /* Check for either KR or generic link up. */
  4655. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4656. ((gp_status1 >> 12) & 0xf);
  4657. link_up = gp_status1 & (1 << lane);
  4658. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4659. u16 pd, gp_status4;
  4660. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4661. /* Check Autoneg complete */
  4662. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4663. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4664. &gp_status4);
  4665. if (gp_status4 & ((1<<12)<<lane))
  4666. vars->link_status |=
  4667. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4668. /* Check parallel detect used */
  4669. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4670. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4671. &pd);
  4672. if (pd & (1<<15))
  4673. vars->link_status |=
  4674. LINK_STATUS_PARALLEL_DETECTION_USED;
  4675. }
  4676. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4677. }
  4678. }
  4679. if (lane < 2) {
  4680. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4681. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4682. } else {
  4683. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4684. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4685. }
  4686. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4687. if ((lane & 1) == 0)
  4688. gp_speed <<= 8;
  4689. gp_speed &= 0x3f00;
  4690. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4691. duplex);
  4692. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4693. vars->duplex, vars->flow_ctrl, vars->link_status);
  4694. return rc;
  4695. }
  4696. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4697. {
  4698. struct bnx2x *bp = params->bp;
  4699. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4700. u16 lp_up2;
  4701. u16 tx_driver;
  4702. u16 bank;
  4703. /* read precomp */
  4704. CL22_RD_OVER_CL45(bp, phy,
  4705. MDIO_REG_BANK_OVER_1G,
  4706. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4707. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4708. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4709. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4710. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4711. if (lp_up2 == 0)
  4712. return;
  4713. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4714. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4715. CL22_RD_OVER_CL45(bp, phy,
  4716. bank,
  4717. MDIO_TX0_TX_DRIVER, &tx_driver);
  4718. /* replace tx_driver bits [15:12] */
  4719. if (lp_up2 !=
  4720. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4721. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4722. tx_driver |= lp_up2;
  4723. CL22_WR_OVER_CL45(bp, phy,
  4724. bank,
  4725. MDIO_TX0_TX_DRIVER, tx_driver);
  4726. }
  4727. }
  4728. }
  4729. static int bnx2x_emac_program(struct link_params *params,
  4730. struct link_vars *vars)
  4731. {
  4732. struct bnx2x *bp = params->bp;
  4733. u8 port = params->port;
  4734. u16 mode = 0;
  4735. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4736. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4737. EMAC_REG_EMAC_MODE,
  4738. (EMAC_MODE_25G_MODE |
  4739. EMAC_MODE_PORT_MII_10M |
  4740. EMAC_MODE_HALF_DUPLEX));
  4741. switch (vars->line_speed) {
  4742. case SPEED_10:
  4743. mode |= EMAC_MODE_PORT_MII_10M;
  4744. break;
  4745. case SPEED_100:
  4746. mode |= EMAC_MODE_PORT_MII;
  4747. break;
  4748. case SPEED_1000:
  4749. mode |= EMAC_MODE_PORT_GMII;
  4750. break;
  4751. case SPEED_2500:
  4752. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4753. break;
  4754. default:
  4755. /* 10G not valid for EMAC */
  4756. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4757. vars->line_speed);
  4758. return -EINVAL;
  4759. }
  4760. if (vars->duplex == DUPLEX_HALF)
  4761. mode |= EMAC_MODE_HALF_DUPLEX;
  4762. bnx2x_bits_en(bp,
  4763. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4764. mode);
  4765. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4766. return 0;
  4767. }
  4768. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4769. struct link_params *params)
  4770. {
  4771. u16 bank, i = 0;
  4772. struct bnx2x *bp = params->bp;
  4773. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4774. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4775. CL22_WR_OVER_CL45(bp, phy,
  4776. bank,
  4777. MDIO_RX0_RX_EQ_BOOST,
  4778. phy->rx_preemphasis[i]);
  4779. }
  4780. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4781. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4782. CL22_WR_OVER_CL45(bp, phy,
  4783. bank,
  4784. MDIO_TX0_TX_DRIVER,
  4785. phy->tx_preemphasis[i]);
  4786. }
  4787. }
  4788. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4789. struct link_params *params,
  4790. struct link_vars *vars)
  4791. {
  4792. struct bnx2x *bp = params->bp;
  4793. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4794. (params->loopback_mode == LOOPBACK_XGXS));
  4795. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4796. if (SINGLE_MEDIA_DIRECT(params) &&
  4797. (params->feature_config_flags &
  4798. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4799. bnx2x_set_preemphasis(phy, params);
  4800. /* forced speed requested? */
  4801. if (vars->line_speed != SPEED_AUTO_NEG ||
  4802. (SINGLE_MEDIA_DIRECT(params) &&
  4803. params->loopback_mode == LOOPBACK_EXT)) {
  4804. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4805. /* disable autoneg */
  4806. bnx2x_set_autoneg(phy, params, vars, 0);
  4807. /* program speed and duplex */
  4808. bnx2x_program_serdes(phy, params, vars);
  4809. } else { /* AN_mode */
  4810. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4811. /* AN enabled */
  4812. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4813. /* program duplex & pause advertisement (for aneg) */
  4814. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4815. vars->ieee_fc);
  4816. /* enable autoneg */
  4817. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4818. /* enable and restart AN */
  4819. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4820. }
  4821. } else { /* SGMII mode */
  4822. DP(NETIF_MSG_LINK, "SGMII\n");
  4823. bnx2x_initialize_sgmii_process(phy, params, vars);
  4824. }
  4825. }
  4826. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4827. struct link_params *params,
  4828. struct link_vars *vars)
  4829. {
  4830. int rc;
  4831. vars->phy_flags |= PHY_XGXS_FLAG;
  4832. if ((phy->req_line_speed &&
  4833. ((phy->req_line_speed == SPEED_100) ||
  4834. (phy->req_line_speed == SPEED_10))) ||
  4835. (!phy->req_line_speed &&
  4836. (phy->speed_cap_mask >=
  4837. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4838. (phy->speed_cap_mask <
  4839. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4840. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4841. vars->phy_flags |= PHY_SGMII_FLAG;
  4842. else
  4843. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4844. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4845. bnx2x_set_aer_mmd(params, phy);
  4846. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4847. bnx2x_set_master_ln(params, phy);
  4848. rc = bnx2x_reset_unicore(params, phy, 0);
  4849. /* reset the SerDes and wait for reset bit return low */
  4850. if (rc != 0)
  4851. return rc;
  4852. bnx2x_set_aer_mmd(params, phy);
  4853. /* setting the masterLn_def again after the reset */
  4854. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4855. bnx2x_set_master_ln(params, phy);
  4856. bnx2x_set_swap_lanes(params, phy);
  4857. }
  4858. return rc;
  4859. }
  4860. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4861. struct bnx2x_phy *phy,
  4862. struct link_params *params)
  4863. {
  4864. u16 cnt, ctrl;
  4865. /* Wait for soft reset to get cleared up to 1 sec */
  4866. for (cnt = 0; cnt < 1000; cnt++) {
  4867. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4868. bnx2x_cl22_read(bp, phy,
  4869. MDIO_PMA_REG_CTRL, &ctrl);
  4870. else
  4871. bnx2x_cl45_read(bp, phy,
  4872. MDIO_PMA_DEVAD,
  4873. MDIO_PMA_REG_CTRL, &ctrl);
  4874. if (!(ctrl & (1<<15)))
  4875. break;
  4876. msleep(1);
  4877. }
  4878. if (cnt == 1000)
  4879. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4880. " Port %d\n",
  4881. params->port);
  4882. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4883. return cnt;
  4884. }
  4885. static void bnx2x_link_int_enable(struct link_params *params)
  4886. {
  4887. u8 port = params->port;
  4888. u32 mask;
  4889. struct bnx2x *bp = params->bp;
  4890. /* Setting the status to report on link up for either XGXS or SerDes */
  4891. if (CHIP_IS_E3(bp)) {
  4892. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4893. if (!(SINGLE_MEDIA_DIRECT(params)))
  4894. mask |= NIG_MASK_MI_INT;
  4895. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4896. mask = (NIG_MASK_XGXS0_LINK10G |
  4897. NIG_MASK_XGXS0_LINK_STATUS);
  4898. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4899. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4900. params->phy[INT_PHY].type !=
  4901. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4902. mask |= NIG_MASK_MI_INT;
  4903. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4904. }
  4905. } else { /* SerDes */
  4906. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4907. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4908. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4909. params->phy[INT_PHY].type !=
  4910. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4911. mask |= NIG_MASK_MI_INT;
  4912. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4913. }
  4914. }
  4915. bnx2x_bits_en(bp,
  4916. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4917. mask);
  4918. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4919. (params->switch_cfg == SWITCH_CFG_10G),
  4920. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4921. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4922. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4923. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4924. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4925. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4926. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4927. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4928. }
  4929. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4930. u8 exp_mi_int)
  4931. {
  4932. u32 latch_status = 0;
  4933. /*
  4934. * Disable the MI INT ( external phy int ) by writing 1 to the
  4935. * status register. Link down indication is high-active-signal,
  4936. * so in this case we need to write the status to clear the XOR
  4937. */
  4938. /* Read Latched signals */
  4939. latch_status = REG_RD(bp,
  4940. NIG_REG_LATCH_STATUS_0 + port*8);
  4941. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4942. /* Handle only those with latched-signal=up.*/
  4943. if (exp_mi_int)
  4944. bnx2x_bits_en(bp,
  4945. NIG_REG_STATUS_INTERRUPT_PORT0
  4946. + port*4,
  4947. NIG_STATUS_EMAC0_MI_INT);
  4948. else
  4949. bnx2x_bits_dis(bp,
  4950. NIG_REG_STATUS_INTERRUPT_PORT0
  4951. + port*4,
  4952. NIG_STATUS_EMAC0_MI_INT);
  4953. if (latch_status & 1) {
  4954. /* For all latched-signal=up : Re-Arm Latch signals */
  4955. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4956. (latch_status & 0xfffe) | (latch_status & 1));
  4957. }
  4958. /* For all latched-signal=up,Write original_signal to status */
  4959. }
  4960. static void bnx2x_link_int_ack(struct link_params *params,
  4961. struct link_vars *vars, u8 is_10g_plus)
  4962. {
  4963. struct bnx2x *bp = params->bp;
  4964. u8 port = params->port;
  4965. u32 mask;
  4966. /*
  4967. * First reset all status we assume only one line will be
  4968. * change at a time
  4969. */
  4970. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4971. (NIG_STATUS_XGXS0_LINK10G |
  4972. NIG_STATUS_XGXS0_LINK_STATUS |
  4973. NIG_STATUS_SERDES0_LINK_STATUS));
  4974. if (vars->phy_link_up) {
  4975. if (USES_WARPCORE(bp))
  4976. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4977. else {
  4978. if (is_10g_plus)
  4979. mask = NIG_STATUS_XGXS0_LINK10G;
  4980. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4981. /*
  4982. * Disable the link interrupt by writing 1 to
  4983. * the relevant lane in the status register
  4984. */
  4985. u32 ser_lane =
  4986. ((params->lane_config &
  4987. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4988. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4989. mask = ((1 << ser_lane) <<
  4990. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4991. } else
  4992. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4993. }
  4994. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  4995. mask);
  4996. bnx2x_bits_en(bp,
  4997. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4998. mask);
  4999. }
  5000. }
  5001. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5002. {
  5003. u8 *str_ptr = str;
  5004. u32 mask = 0xf0000000;
  5005. u8 shift = 8*4;
  5006. u8 digit;
  5007. u8 remove_leading_zeros = 1;
  5008. if (*len < 10) {
  5009. /* Need more than 10chars for this format */
  5010. *str_ptr = '\0';
  5011. (*len)--;
  5012. return -EINVAL;
  5013. }
  5014. while (shift > 0) {
  5015. shift -= 4;
  5016. digit = ((num & mask) >> shift);
  5017. if (digit == 0 && remove_leading_zeros) {
  5018. mask = mask >> 4;
  5019. continue;
  5020. } else if (digit < 0xa)
  5021. *str_ptr = digit + '0';
  5022. else
  5023. *str_ptr = digit - 0xa + 'a';
  5024. remove_leading_zeros = 0;
  5025. str_ptr++;
  5026. (*len)--;
  5027. mask = mask >> 4;
  5028. if (shift == 4*4) {
  5029. *str_ptr = '.';
  5030. str_ptr++;
  5031. (*len)--;
  5032. remove_leading_zeros = 1;
  5033. }
  5034. }
  5035. return 0;
  5036. }
  5037. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5038. {
  5039. str[0] = '\0';
  5040. (*len)--;
  5041. return 0;
  5042. }
  5043. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5044. u8 *version, u16 len)
  5045. {
  5046. struct bnx2x *bp;
  5047. u32 spirom_ver = 0;
  5048. int status = 0;
  5049. u8 *ver_p = version;
  5050. u16 remain_len = len;
  5051. if (version == NULL || params == NULL)
  5052. return -EINVAL;
  5053. bp = params->bp;
  5054. /* Extract first external phy*/
  5055. version[0] = '\0';
  5056. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5057. if (params->phy[EXT_PHY1].format_fw_ver) {
  5058. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5059. ver_p,
  5060. &remain_len);
  5061. ver_p += (len - remain_len);
  5062. }
  5063. if ((params->num_phys == MAX_PHYS) &&
  5064. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5065. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5066. if (params->phy[EXT_PHY2].format_fw_ver) {
  5067. *ver_p = '/';
  5068. ver_p++;
  5069. remain_len--;
  5070. status |= params->phy[EXT_PHY2].format_fw_ver(
  5071. spirom_ver,
  5072. ver_p,
  5073. &remain_len);
  5074. ver_p = version + (len - remain_len);
  5075. }
  5076. }
  5077. *ver_p = '\0';
  5078. return status;
  5079. }
  5080. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5081. struct link_params *params)
  5082. {
  5083. u8 port = params->port;
  5084. struct bnx2x *bp = params->bp;
  5085. if (phy->req_line_speed != SPEED_1000) {
  5086. u32 md_devad = 0;
  5087. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5088. if (!CHIP_IS_E3(bp)) {
  5089. /* change the uni_phy_addr in the nig */
  5090. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5091. port*0x18));
  5092. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5093. 0x5);
  5094. }
  5095. bnx2x_cl45_write(bp, phy,
  5096. 5,
  5097. (MDIO_REG_BANK_AER_BLOCK +
  5098. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5099. 0x2800);
  5100. bnx2x_cl45_write(bp, phy,
  5101. 5,
  5102. (MDIO_REG_BANK_CL73_IEEEB0 +
  5103. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5104. 0x6041);
  5105. msleep(200);
  5106. /* set aer mmd back */
  5107. bnx2x_set_aer_mmd(params, phy);
  5108. if (!CHIP_IS_E3(bp)) {
  5109. /* and md_devad */
  5110. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5111. md_devad);
  5112. }
  5113. } else {
  5114. u16 mii_ctrl;
  5115. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5116. bnx2x_cl45_read(bp, phy, 5,
  5117. (MDIO_REG_BANK_COMBO_IEEE0 +
  5118. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5119. &mii_ctrl);
  5120. bnx2x_cl45_write(bp, phy, 5,
  5121. (MDIO_REG_BANK_COMBO_IEEE0 +
  5122. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5123. mii_ctrl |
  5124. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5125. }
  5126. }
  5127. int bnx2x_set_led(struct link_params *params,
  5128. struct link_vars *vars, u8 mode, u32 speed)
  5129. {
  5130. u8 port = params->port;
  5131. u16 hw_led_mode = params->hw_led_mode;
  5132. int rc = 0;
  5133. u8 phy_idx;
  5134. u32 tmp;
  5135. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5136. struct bnx2x *bp = params->bp;
  5137. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5138. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5139. speed, hw_led_mode);
  5140. /* In case */
  5141. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5142. if (params->phy[phy_idx].set_link_led) {
  5143. params->phy[phy_idx].set_link_led(
  5144. &params->phy[phy_idx], params, mode);
  5145. }
  5146. }
  5147. switch (mode) {
  5148. case LED_MODE_FRONT_PANEL_OFF:
  5149. case LED_MODE_OFF:
  5150. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5151. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5152. SHARED_HW_CFG_LED_MAC1);
  5153. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5154. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5155. break;
  5156. case LED_MODE_OPER:
  5157. /*
  5158. * For all other phys, OPER mode is same as ON, so in case
  5159. * link is down, do nothing
  5160. */
  5161. if (!vars->link_up)
  5162. break;
  5163. case LED_MODE_ON:
  5164. if (((params->phy[EXT_PHY1].type ==
  5165. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5166. (params->phy[EXT_PHY1].type ==
  5167. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5168. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5169. /*
  5170. * This is a work-around for E2+8727 Configurations
  5171. */
  5172. if (mode == LED_MODE_ON ||
  5173. speed == SPEED_10000){
  5174. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5175. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5176. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5177. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5178. (tmp | EMAC_LED_OVERRIDE));
  5179. /*
  5180. * return here without enabling traffic
  5181. * LED blink andsetting rate in ON mode.
  5182. * In oper mode, enabling LED blink
  5183. * and setting rate is needed.
  5184. */
  5185. if (mode == LED_MODE_ON)
  5186. return rc;
  5187. }
  5188. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5189. /*
  5190. * This is a work-around for HW issue found when link
  5191. * is up in CL73
  5192. */
  5193. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5194. if (CHIP_IS_E1x(bp) ||
  5195. CHIP_IS_E2(bp) ||
  5196. (mode == LED_MODE_ON))
  5197. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5198. else
  5199. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5200. hw_led_mode);
  5201. } else
  5202. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5203. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5204. /* Set blinking rate to ~15.9Hz */
  5205. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5206. LED_BLINK_RATE_VAL);
  5207. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5208. port*4, 1);
  5209. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5210. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5211. if (CHIP_IS_E1(bp) &&
  5212. ((speed == SPEED_2500) ||
  5213. (speed == SPEED_1000) ||
  5214. (speed == SPEED_100) ||
  5215. (speed == SPEED_10))) {
  5216. /*
  5217. * On Everest 1 Ax chip versions for speeds less than
  5218. * 10G LED scheme is different
  5219. */
  5220. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5221. + port*4, 1);
  5222. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5223. port*4, 0);
  5224. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5225. port*4, 1);
  5226. }
  5227. break;
  5228. default:
  5229. rc = -EINVAL;
  5230. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5231. mode);
  5232. break;
  5233. }
  5234. return rc;
  5235. }
  5236. /*
  5237. * This function comes to reflect the actual link state read DIRECTLY from the
  5238. * HW
  5239. */
  5240. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5241. u8 is_serdes)
  5242. {
  5243. struct bnx2x *bp = params->bp;
  5244. u16 gp_status = 0, phy_index = 0;
  5245. u8 ext_phy_link_up = 0, serdes_phy_type;
  5246. struct link_vars temp_vars;
  5247. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5248. if (CHIP_IS_E3(bp)) {
  5249. u16 link_up;
  5250. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5251. > SPEED_10000) {
  5252. /* Check 20G link */
  5253. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5254. 1, &link_up);
  5255. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5256. 1, &link_up);
  5257. link_up &= (1<<2);
  5258. } else {
  5259. /* Check 10G link and below*/
  5260. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5261. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5262. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5263. &gp_status);
  5264. gp_status = ((gp_status >> 8) & 0xf) |
  5265. ((gp_status >> 12) & 0xf);
  5266. link_up = gp_status & (1 << lane);
  5267. }
  5268. if (!link_up)
  5269. return -ESRCH;
  5270. } else {
  5271. CL22_RD_OVER_CL45(bp, int_phy,
  5272. MDIO_REG_BANK_GP_STATUS,
  5273. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5274. &gp_status);
  5275. /* link is up only if both local phy and external phy are up */
  5276. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5277. return -ESRCH;
  5278. }
  5279. /* In XGXS loopback mode, do not check external PHY */
  5280. if (params->loopback_mode == LOOPBACK_XGXS)
  5281. return 0;
  5282. switch (params->num_phys) {
  5283. case 1:
  5284. /* No external PHY */
  5285. return 0;
  5286. case 2:
  5287. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5288. &params->phy[EXT_PHY1],
  5289. params, &temp_vars);
  5290. break;
  5291. case 3: /* Dual Media */
  5292. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5293. phy_index++) {
  5294. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5295. ETH_PHY_SFP_FIBER) ||
  5296. (params->phy[phy_index].media_type ==
  5297. ETH_PHY_XFP_FIBER) ||
  5298. (params->phy[phy_index].media_type ==
  5299. ETH_PHY_DA_TWINAX));
  5300. if (is_serdes != serdes_phy_type)
  5301. continue;
  5302. if (params->phy[phy_index].read_status) {
  5303. ext_phy_link_up |=
  5304. params->phy[phy_index].read_status(
  5305. &params->phy[phy_index],
  5306. params, &temp_vars);
  5307. }
  5308. }
  5309. break;
  5310. }
  5311. if (ext_phy_link_up)
  5312. return 0;
  5313. return -ESRCH;
  5314. }
  5315. static int bnx2x_link_initialize(struct link_params *params,
  5316. struct link_vars *vars)
  5317. {
  5318. int rc = 0;
  5319. u8 phy_index, non_ext_phy;
  5320. struct bnx2x *bp = params->bp;
  5321. /*
  5322. * In case of external phy existence, the line speed would be the
  5323. * line speed linked up by the external phy. In case it is direct
  5324. * only, then the line_speed during initialization will be
  5325. * equal to the req_line_speed
  5326. */
  5327. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5328. /*
  5329. * Initialize the internal phy in case this is a direct board
  5330. * (no external phys), or this board has external phy which requires
  5331. * to first.
  5332. */
  5333. if (!USES_WARPCORE(bp))
  5334. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5335. /* init ext phy and enable link state int */
  5336. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5337. (params->loopback_mode == LOOPBACK_XGXS));
  5338. if (non_ext_phy ||
  5339. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5340. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5341. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5342. if (vars->line_speed == SPEED_AUTO_NEG &&
  5343. (CHIP_IS_E1x(bp) ||
  5344. CHIP_IS_E2(bp)))
  5345. bnx2x_set_parallel_detection(phy, params);
  5346. if (params->phy[INT_PHY].config_init)
  5347. params->phy[INT_PHY].config_init(phy,
  5348. params,
  5349. vars);
  5350. }
  5351. /* Init external phy*/
  5352. if (non_ext_phy) {
  5353. if (params->phy[INT_PHY].supported &
  5354. SUPPORTED_FIBRE)
  5355. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5356. } else {
  5357. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5358. phy_index++) {
  5359. /*
  5360. * No need to initialize second phy in case of first
  5361. * phy only selection. In case of second phy, we do
  5362. * need to initialize the first phy, since they are
  5363. * connected.
  5364. */
  5365. if (params->phy[phy_index].supported &
  5366. SUPPORTED_FIBRE)
  5367. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5368. if (phy_index == EXT_PHY2 &&
  5369. (bnx2x_phy_selection(params) ==
  5370. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5371. DP(NETIF_MSG_LINK, "Not initializing"
  5372. " second phy\n");
  5373. continue;
  5374. }
  5375. params->phy[phy_index].config_init(
  5376. &params->phy[phy_index],
  5377. params, vars);
  5378. }
  5379. }
  5380. /* Reset the interrupt indication after phy was initialized */
  5381. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5382. params->port*4,
  5383. (NIG_STATUS_XGXS0_LINK10G |
  5384. NIG_STATUS_XGXS0_LINK_STATUS |
  5385. NIG_STATUS_SERDES0_LINK_STATUS |
  5386. NIG_MASK_MI_INT));
  5387. bnx2x_update_mng(params, vars->link_status);
  5388. return rc;
  5389. }
  5390. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5391. struct link_params *params)
  5392. {
  5393. /* reset the SerDes/XGXS */
  5394. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5395. (0x1ff << (params->port*16)));
  5396. }
  5397. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5398. struct link_params *params)
  5399. {
  5400. struct bnx2x *bp = params->bp;
  5401. u8 gpio_port;
  5402. /* HW reset */
  5403. if (CHIP_IS_E2(bp))
  5404. gpio_port = BP_PATH(bp);
  5405. else
  5406. gpio_port = params->port;
  5407. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5408. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5409. gpio_port);
  5410. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5411. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5412. gpio_port);
  5413. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5414. }
  5415. static int bnx2x_update_link_down(struct link_params *params,
  5416. struct link_vars *vars)
  5417. {
  5418. struct bnx2x *bp = params->bp;
  5419. u8 port = params->port;
  5420. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5421. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5422. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5423. /* indicate no mac active */
  5424. vars->mac_type = MAC_TYPE_NONE;
  5425. /* update shared memory */
  5426. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5427. LINK_STATUS_LINK_UP |
  5428. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5429. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5430. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5431. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5432. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5433. vars->line_speed = 0;
  5434. bnx2x_update_mng(params, vars->link_status);
  5435. /* activate nig drain */
  5436. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5437. /* disable emac */
  5438. if (!CHIP_IS_E3(bp))
  5439. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5440. msleep(10);
  5441. /* reset BigMac/Xmac */
  5442. if (CHIP_IS_E1x(bp) ||
  5443. CHIP_IS_E2(bp)) {
  5444. bnx2x_bmac_rx_disable(bp, params->port);
  5445. REG_WR(bp, GRCBASE_MISC +
  5446. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5447. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5448. }
  5449. if (CHIP_IS_E3(bp))
  5450. bnx2x_xmac_disable(params);
  5451. return 0;
  5452. }
  5453. static int bnx2x_update_link_up(struct link_params *params,
  5454. struct link_vars *vars,
  5455. u8 link_10g)
  5456. {
  5457. struct bnx2x *bp = params->bp;
  5458. u8 port = params->port;
  5459. int rc = 0;
  5460. vars->link_status |= (LINK_STATUS_LINK_UP |
  5461. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5462. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5463. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5464. vars->link_status |=
  5465. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5466. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5467. vars->link_status |=
  5468. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5469. if (USES_WARPCORE(bp)) {
  5470. if (link_10g) {
  5471. if (bnx2x_xmac_enable(params, vars, 0) ==
  5472. -ESRCH) {
  5473. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5474. vars->link_up = 0;
  5475. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5476. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5477. }
  5478. } else
  5479. bnx2x_umac_enable(params, vars, 0);
  5480. bnx2x_set_led(params, vars,
  5481. LED_MODE_OPER, vars->line_speed);
  5482. }
  5483. if ((CHIP_IS_E1x(bp) ||
  5484. CHIP_IS_E2(bp))) {
  5485. if (link_10g) {
  5486. if (bnx2x_bmac_enable(params, vars, 0) ==
  5487. -ESRCH) {
  5488. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5489. vars->link_up = 0;
  5490. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5491. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5492. }
  5493. bnx2x_set_led(params, vars,
  5494. LED_MODE_OPER, SPEED_10000);
  5495. } else {
  5496. rc = bnx2x_emac_program(params, vars);
  5497. bnx2x_emac_enable(params, vars, 0);
  5498. /* AN complete? */
  5499. if ((vars->link_status &
  5500. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5501. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5502. SINGLE_MEDIA_DIRECT(params))
  5503. bnx2x_set_gmii_tx_driver(params);
  5504. }
  5505. }
  5506. /* PBF - link up */
  5507. if (CHIP_IS_E1x(bp))
  5508. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5509. vars->line_speed);
  5510. /* disable drain */
  5511. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5512. /* update shared memory */
  5513. bnx2x_update_mng(params, vars->link_status);
  5514. msleep(20);
  5515. return rc;
  5516. }
  5517. /*
  5518. * The bnx2x_link_update function should be called upon link
  5519. * interrupt.
  5520. * Link is considered up as follows:
  5521. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5522. * to be up
  5523. * - SINGLE_MEDIA - The link between the 577xx and the external
  5524. * phy (XGXS) need to up as well as the external link of the
  5525. * phy (PHY_EXT1)
  5526. * - DUAL_MEDIA - The link between the 577xx and the first
  5527. * external phy needs to be up, and at least one of the 2
  5528. * external phy link must be up.
  5529. */
  5530. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5531. {
  5532. struct bnx2x *bp = params->bp;
  5533. struct link_vars phy_vars[MAX_PHYS];
  5534. u8 port = params->port;
  5535. u8 link_10g_plus, phy_index;
  5536. u8 ext_phy_link_up = 0, cur_link_up;
  5537. int rc = 0;
  5538. u8 is_mi_int = 0;
  5539. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5540. u8 active_external_phy = INT_PHY;
  5541. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5542. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5543. phy_index++) {
  5544. phy_vars[phy_index].flow_ctrl = 0;
  5545. phy_vars[phy_index].link_status = 0;
  5546. phy_vars[phy_index].line_speed = 0;
  5547. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5548. phy_vars[phy_index].phy_link_up = 0;
  5549. phy_vars[phy_index].link_up = 0;
  5550. phy_vars[phy_index].fault_detected = 0;
  5551. }
  5552. if (USES_WARPCORE(bp))
  5553. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5554. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5555. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5556. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5557. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5558. port*0x18) > 0);
  5559. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5560. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5561. is_mi_int,
  5562. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5563. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5564. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5565. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5566. /* disable emac */
  5567. if (!CHIP_IS_E3(bp))
  5568. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5569. /*
  5570. * Step 1:
  5571. * Check external link change only for external phys, and apply
  5572. * priority selection between them in case the link on both phys
  5573. * is up. Note that instead of the common vars, a temporary
  5574. * vars argument is used since each phy may have different link/
  5575. * speed/duplex result
  5576. */
  5577. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5578. phy_index++) {
  5579. struct bnx2x_phy *phy = &params->phy[phy_index];
  5580. if (!phy->read_status)
  5581. continue;
  5582. /* Read link status and params of this ext phy */
  5583. cur_link_up = phy->read_status(phy, params,
  5584. &phy_vars[phy_index]);
  5585. if (cur_link_up) {
  5586. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5587. phy_index);
  5588. } else {
  5589. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5590. phy_index);
  5591. continue;
  5592. }
  5593. if (!ext_phy_link_up) {
  5594. ext_phy_link_up = 1;
  5595. active_external_phy = phy_index;
  5596. } else {
  5597. switch (bnx2x_phy_selection(params)) {
  5598. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5599. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5600. /*
  5601. * In this option, the first PHY makes sure to pass the
  5602. * traffic through itself only.
  5603. * Its not clear how to reset the link on the second phy
  5604. */
  5605. active_external_phy = EXT_PHY1;
  5606. break;
  5607. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5608. /*
  5609. * In this option, the first PHY makes sure to pass the
  5610. * traffic through the second PHY.
  5611. */
  5612. active_external_phy = EXT_PHY2;
  5613. break;
  5614. default:
  5615. /*
  5616. * Link indication on both PHYs with the following cases
  5617. * is invalid:
  5618. * - FIRST_PHY means that second phy wasn't initialized,
  5619. * hence its link is expected to be down
  5620. * - SECOND_PHY means that first phy should not be able
  5621. * to link up by itself (using configuration)
  5622. * - DEFAULT should be overriden during initialiazation
  5623. */
  5624. DP(NETIF_MSG_LINK, "Invalid link indication"
  5625. "mpc=0x%x. DISABLING LINK !!!\n",
  5626. params->multi_phy_config);
  5627. ext_phy_link_up = 0;
  5628. break;
  5629. }
  5630. }
  5631. }
  5632. prev_line_speed = vars->line_speed;
  5633. /*
  5634. * Step 2:
  5635. * Read the status of the internal phy. In case of
  5636. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5637. * otherwise this is the link between the 577xx and the first
  5638. * external phy
  5639. */
  5640. if (params->phy[INT_PHY].read_status)
  5641. params->phy[INT_PHY].read_status(
  5642. &params->phy[INT_PHY],
  5643. params, vars);
  5644. /*
  5645. * The INT_PHY flow control reside in the vars. This include the
  5646. * case where the speed or flow control are not set to AUTO.
  5647. * Otherwise, the active external phy flow control result is set
  5648. * to the vars. The ext_phy_line_speed is needed to check if the
  5649. * speed is different between the internal phy and external phy.
  5650. * This case may be result of intermediate link speed change.
  5651. */
  5652. if (active_external_phy > INT_PHY) {
  5653. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5654. /*
  5655. * Link speed is taken from the XGXS. AN and FC result from
  5656. * the external phy.
  5657. */
  5658. vars->link_status |= phy_vars[active_external_phy].link_status;
  5659. /*
  5660. * if active_external_phy is first PHY and link is up - disable
  5661. * disable TX on second external PHY
  5662. */
  5663. if (active_external_phy == EXT_PHY1) {
  5664. if (params->phy[EXT_PHY2].phy_specific_func) {
  5665. DP(NETIF_MSG_LINK, "Disabling TX on"
  5666. " EXT_PHY2\n");
  5667. params->phy[EXT_PHY2].phy_specific_func(
  5668. &params->phy[EXT_PHY2],
  5669. params, DISABLE_TX);
  5670. }
  5671. }
  5672. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5673. vars->duplex = phy_vars[active_external_phy].duplex;
  5674. if (params->phy[active_external_phy].supported &
  5675. SUPPORTED_FIBRE)
  5676. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5677. else
  5678. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5679. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5680. active_external_phy);
  5681. }
  5682. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5683. phy_index++) {
  5684. if (params->phy[phy_index].flags &
  5685. FLAGS_REARM_LATCH_SIGNAL) {
  5686. bnx2x_rearm_latch_signal(bp, port,
  5687. phy_index ==
  5688. active_external_phy);
  5689. break;
  5690. }
  5691. }
  5692. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5693. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5694. vars->link_status, ext_phy_line_speed);
  5695. /*
  5696. * Upon link speed change set the NIG into drain mode. Comes to
  5697. * deals with possible FIFO glitch due to clk change when speed
  5698. * is decreased without link down indicator
  5699. */
  5700. if (vars->phy_link_up) {
  5701. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5702. (ext_phy_line_speed != vars->line_speed)) {
  5703. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5704. " different than the external"
  5705. " link speed %d\n", vars->line_speed,
  5706. ext_phy_line_speed);
  5707. vars->phy_link_up = 0;
  5708. } else if (prev_line_speed != vars->line_speed) {
  5709. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5710. 0);
  5711. msleep(1);
  5712. }
  5713. }
  5714. /* anything 10 and over uses the bmac */
  5715. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5716. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5717. /*
  5718. * In case external phy link is up, and internal link is down
  5719. * (not initialized yet probably after link initialization, it
  5720. * needs to be initialized.
  5721. * Note that after link down-up as result of cable plug, the xgxs
  5722. * link would probably become up again without the need
  5723. * initialize it
  5724. */
  5725. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5726. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5727. " init_preceding = %d\n", ext_phy_link_up,
  5728. vars->phy_link_up,
  5729. params->phy[EXT_PHY1].flags &
  5730. FLAGS_INIT_XGXS_FIRST);
  5731. if (!(params->phy[EXT_PHY1].flags &
  5732. FLAGS_INIT_XGXS_FIRST)
  5733. && ext_phy_link_up && !vars->phy_link_up) {
  5734. vars->line_speed = ext_phy_line_speed;
  5735. if (vars->line_speed < SPEED_1000)
  5736. vars->phy_flags |= PHY_SGMII_FLAG;
  5737. else
  5738. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5739. if (params->phy[INT_PHY].config_init)
  5740. params->phy[INT_PHY].config_init(
  5741. &params->phy[INT_PHY], params,
  5742. vars);
  5743. }
  5744. }
  5745. /*
  5746. * Link is up only if both local phy and external phy (in case of
  5747. * non-direct board) are up and no fault detected on active PHY.
  5748. */
  5749. vars->link_up = (vars->phy_link_up &&
  5750. (ext_phy_link_up ||
  5751. SINGLE_MEDIA_DIRECT(params)) &&
  5752. (phy_vars[active_external_phy].fault_detected == 0));
  5753. if (vars->link_up)
  5754. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5755. else
  5756. rc = bnx2x_update_link_down(params, vars);
  5757. return rc;
  5758. }
  5759. /*****************************************************************************/
  5760. /* External Phy section */
  5761. /*****************************************************************************/
  5762. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5763. {
  5764. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5765. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5766. msleep(1);
  5767. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5768. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5769. }
  5770. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5771. u32 spirom_ver, u32 ver_addr)
  5772. {
  5773. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5774. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5775. if (ver_addr)
  5776. REG_WR(bp, ver_addr, spirom_ver);
  5777. }
  5778. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5779. struct bnx2x_phy *phy,
  5780. u8 port)
  5781. {
  5782. u16 fw_ver1, fw_ver2;
  5783. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5784. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5785. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5786. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5787. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5788. phy->ver_addr);
  5789. }
  5790. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5791. struct bnx2x_phy *phy,
  5792. struct link_vars *vars)
  5793. {
  5794. u16 val;
  5795. bnx2x_cl45_read(bp, phy,
  5796. MDIO_AN_DEVAD,
  5797. MDIO_AN_REG_STATUS, &val);
  5798. bnx2x_cl45_read(bp, phy,
  5799. MDIO_AN_DEVAD,
  5800. MDIO_AN_REG_STATUS, &val);
  5801. if (val & (1<<5))
  5802. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5803. if ((val & (1<<0)) == 0)
  5804. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5805. }
  5806. /******************************************************************/
  5807. /* common BCM8073/BCM8727 PHY SECTION */
  5808. /******************************************************************/
  5809. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5810. struct link_params *params,
  5811. struct link_vars *vars)
  5812. {
  5813. struct bnx2x *bp = params->bp;
  5814. if (phy->req_line_speed == SPEED_10 ||
  5815. phy->req_line_speed == SPEED_100) {
  5816. vars->flow_ctrl = phy->req_flow_ctrl;
  5817. return;
  5818. }
  5819. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5820. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5821. u16 pause_result;
  5822. u16 ld_pause; /* local */
  5823. u16 lp_pause; /* link partner */
  5824. bnx2x_cl45_read(bp, phy,
  5825. MDIO_AN_DEVAD,
  5826. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5827. bnx2x_cl45_read(bp, phy,
  5828. MDIO_AN_DEVAD,
  5829. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5830. pause_result = (ld_pause &
  5831. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5832. pause_result |= (lp_pause &
  5833. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5834. bnx2x_pause_resolve(vars, pause_result);
  5835. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5836. pause_result);
  5837. }
  5838. }
  5839. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5840. struct bnx2x_phy *phy,
  5841. u8 port)
  5842. {
  5843. u32 count = 0;
  5844. u16 fw_ver1, fw_msgout;
  5845. int rc = 0;
  5846. /* Boot port from external ROM */
  5847. /* EDC grst */
  5848. bnx2x_cl45_write(bp, phy,
  5849. MDIO_PMA_DEVAD,
  5850. MDIO_PMA_REG_GEN_CTRL,
  5851. 0x0001);
  5852. /* ucode reboot and rst */
  5853. bnx2x_cl45_write(bp, phy,
  5854. MDIO_PMA_DEVAD,
  5855. MDIO_PMA_REG_GEN_CTRL,
  5856. 0x008c);
  5857. bnx2x_cl45_write(bp, phy,
  5858. MDIO_PMA_DEVAD,
  5859. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5860. /* Reset internal microprocessor */
  5861. bnx2x_cl45_write(bp, phy,
  5862. MDIO_PMA_DEVAD,
  5863. MDIO_PMA_REG_GEN_CTRL,
  5864. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5865. /* Release srst bit */
  5866. bnx2x_cl45_write(bp, phy,
  5867. MDIO_PMA_DEVAD,
  5868. MDIO_PMA_REG_GEN_CTRL,
  5869. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5870. /* Delay 100ms per the PHY specifications */
  5871. msleep(100);
  5872. /* 8073 sometimes taking longer to download */
  5873. do {
  5874. count++;
  5875. if (count > 300) {
  5876. DP(NETIF_MSG_LINK,
  5877. "bnx2x_8073_8727_external_rom_boot port %x:"
  5878. "Download failed. fw version = 0x%x\n",
  5879. port, fw_ver1);
  5880. rc = -EINVAL;
  5881. break;
  5882. }
  5883. bnx2x_cl45_read(bp, phy,
  5884. MDIO_PMA_DEVAD,
  5885. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5886. bnx2x_cl45_read(bp, phy,
  5887. MDIO_PMA_DEVAD,
  5888. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5889. msleep(1);
  5890. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5891. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5892. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5893. /* Clear ser_boot_ctl bit */
  5894. bnx2x_cl45_write(bp, phy,
  5895. MDIO_PMA_DEVAD,
  5896. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5897. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5898. DP(NETIF_MSG_LINK,
  5899. "bnx2x_8073_8727_external_rom_boot port %x:"
  5900. "Download complete. fw version = 0x%x\n",
  5901. port, fw_ver1);
  5902. return rc;
  5903. }
  5904. /******************************************************************/
  5905. /* BCM8073 PHY SECTION */
  5906. /******************************************************************/
  5907. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5908. {
  5909. /* This is only required for 8073A1, version 102 only */
  5910. u16 val;
  5911. /* Read 8073 HW revision*/
  5912. bnx2x_cl45_read(bp, phy,
  5913. MDIO_PMA_DEVAD,
  5914. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5915. if (val != 1) {
  5916. /* No need to workaround in 8073 A1 */
  5917. return 0;
  5918. }
  5919. bnx2x_cl45_read(bp, phy,
  5920. MDIO_PMA_DEVAD,
  5921. MDIO_PMA_REG_ROM_VER2, &val);
  5922. /* SNR should be applied only for version 0x102 */
  5923. if (val != 0x102)
  5924. return 0;
  5925. return 1;
  5926. }
  5927. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5928. {
  5929. u16 val, cnt, cnt1 ;
  5930. bnx2x_cl45_read(bp, phy,
  5931. MDIO_PMA_DEVAD,
  5932. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5933. if (val > 0) {
  5934. /* No need to workaround in 8073 A1 */
  5935. return 0;
  5936. }
  5937. /* XAUI workaround in 8073 A0: */
  5938. /*
  5939. * After loading the boot ROM and restarting Autoneg, poll
  5940. * Dev1, Reg $C820:
  5941. */
  5942. for (cnt = 0; cnt < 1000; cnt++) {
  5943. bnx2x_cl45_read(bp, phy,
  5944. MDIO_PMA_DEVAD,
  5945. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5946. &val);
  5947. /*
  5948. * If bit [14] = 0 or bit [13] = 0, continue on with
  5949. * system initialization (XAUI work-around not required, as
  5950. * these bits indicate 2.5G or 1G link up).
  5951. */
  5952. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5953. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5954. return 0;
  5955. } else if (!(val & (1<<15))) {
  5956. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5957. /*
  5958. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5959. * MSB (bit15) goes to 1 (indicating that the XAUI
  5960. * workaround has completed), then continue on with
  5961. * system initialization.
  5962. */
  5963. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5964. bnx2x_cl45_read(bp, phy,
  5965. MDIO_PMA_DEVAD,
  5966. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5967. if (val & (1<<15)) {
  5968. DP(NETIF_MSG_LINK,
  5969. "XAUI workaround has completed\n");
  5970. return 0;
  5971. }
  5972. msleep(3);
  5973. }
  5974. break;
  5975. }
  5976. msleep(3);
  5977. }
  5978. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5979. return -EINVAL;
  5980. }
  5981. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5982. {
  5983. /* Force KR or KX */
  5984. bnx2x_cl45_write(bp, phy,
  5985. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5986. bnx2x_cl45_write(bp, phy,
  5987. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5988. bnx2x_cl45_write(bp, phy,
  5989. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5990. bnx2x_cl45_write(bp, phy,
  5991. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5992. }
  5993. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5994. struct bnx2x_phy *phy,
  5995. struct link_vars *vars)
  5996. {
  5997. u16 cl37_val;
  5998. struct bnx2x *bp = params->bp;
  5999. bnx2x_cl45_read(bp, phy,
  6000. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6001. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6002. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6003. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6004. if ((vars->ieee_fc &
  6005. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6006. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6007. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6008. }
  6009. if ((vars->ieee_fc &
  6010. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6011. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6012. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6013. }
  6014. if ((vars->ieee_fc &
  6015. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6016. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6017. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6018. }
  6019. DP(NETIF_MSG_LINK,
  6020. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6021. bnx2x_cl45_write(bp, phy,
  6022. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6023. msleep(500);
  6024. }
  6025. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6026. struct link_params *params,
  6027. struct link_vars *vars)
  6028. {
  6029. struct bnx2x *bp = params->bp;
  6030. u16 val = 0, tmp1;
  6031. u8 gpio_port;
  6032. DP(NETIF_MSG_LINK, "Init 8073\n");
  6033. if (CHIP_IS_E2(bp))
  6034. gpio_port = BP_PATH(bp);
  6035. else
  6036. gpio_port = params->port;
  6037. /* Restore normal power mode*/
  6038. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6039. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6040. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6041. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6042. /* enable LASI */
  6043. bnx2x_cl45_write(bp, phy,
  6044. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6045. bnx2x_cl45_write(bp, phy,
  6046. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6047. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6048. bnx2x_cl45_read(bp, phy,
  6049. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6050. bnx2x_cl45_read(bp, phy,
  6051. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6052. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6053. /* Swap polarity if required - Must be done only in non-1G mode */
  6054. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6055. /* Configure the 8073 to swap _P and _N of the KR lines */
  6056. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6057. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6058. bnx2x_cl45_read(bp, phy,
  6059. MDIO_PMA_DEVAD,
  6060. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6061. bnx2x_cl45_write(bp, phy,
  6062. MDIO_PMA_DEVAD,
  6063. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6064. (val | (3<<9)));
  6065. }
  6066. /* Enable CL37 BAM */
  6067. if (REG_RD(bp, params->shmem_base +
  6068. offsetof(struct shmem_region, dev_info.
  6069. port_hw_config[params->port].default_cfg)) &
  6070. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6071. bnx2x_cl45_read(bp, phy,
  6072. MDIO_AN_DEVAD,
  6073. MDIO_AN_REG_8073_BAM, &val);
  6074. bnx2x_cl45_write(bp, phy,
  6075. MDIO_AN_DEVAD,
  6076. MDIO_AN_REG_8073_BAM, val | 1);
  6077. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6078. }
  6079. if (params->loopback_mode == LOOPBACK_EXT) {
  6080. bnx2x_807x_force_10G(bp, phy);
  6081. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6082. return 0;
  6083. } else {
  6084. bnx2x_cl45_write(bp, phy,
  6085. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6086. }
  6087. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6088. if (phy->req_line_speed == SPEED_10000) {
  6089. val = (1<<7);
  6090. } else if (phy->req_line_speed == SPEED_2500) {
  6091. val = (1<<5);
  6092. /*
  6093. * Note that 2.5G works only when used with 1G
  6094. * advertisement
  6095. */
  6096. } else
  6097. val = (1<<5);
  6098. } else {
  6099. val = 0;
  6100. if (phy->speed_cap_mask &
  6101. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6102. val |= (1<<7);
  6103. /* Note that 2.5G works only when used with 1G advertisement */
  6104. if (phy->speed_cap_mask &
  6105. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6106. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6107. val |= (1<<5);
  6108. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6109. }
  6110. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6111. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6112. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6113. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6114. (phy->req_line_speed == SPEED_2500)) {
  6115. u16 phy_ver;
  6116. /* Allow 2.5G for A1 and above */
  6117. bnx2x_cl45_read(bp, phy,
  6118. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6119. &phy_ver);
  6120. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6121. if (phy_ver > 0)
  6122. tmp1 |= 1;
  6123. else
  6124. tmp1 &= 0xfffe;
  6125. } else {
  6126. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6127. tmp1 &= 0xfffe;
  6128. }
  6129. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6130. /* Add support for CL37 (passive mode) II */
  6131. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6132. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6133. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6134. 0x20 : 0x40)));
  6135. /* Add support for CL37 (passive mode) III */
  6136. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6137. /*
  6138. * The SNR will improve about 2db by changing BW and FEE main
  6139. * tap. Rest commands are executed after link is up
  6140. * Change FFE main cursor to 5 in EDC register
  6141. */
  6142. if (bnx2x_8073_is_snr_needed(bp, phy))
  6143. bnx2x_cl45_write(bp, phy,
  6144. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6145. 0xFB0C);
  6146. /* Enable FEC (Forware Error Correction) Request in the AN */
  6147. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6148. tmp1 |= (1<<15);
  6149. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6150. bnx2x_ext_phy_set_pause(params, phy, vars);
  6151. /* Restart autoneg */
  6152. msleep(500);
  6153. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6154. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6155. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6156. return 0;
  6157. }
  6158. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6159. struct link_params *params,
  6160. struct link_vars *vars)
  6161. {
  6162. struct bnx2x *bp = params->bp;
  6163. u8 link_up = 0;
  6164. u16 val1, val2;
  6165. u16 link_status = 0;
  6166. u16 an1000_status = 0;
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6169. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6170. /* clear the interrupt LASI status register */
  6171. bnx2x_cl45_read(bp, phy,
  6172. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6173. bnx2x_cl45_read(bp, phy,
  6174. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6175. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6176. /* Clear MSG-OUT */
  6177. bnx2x_cl45_read(bp, phy,
  6178. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6179. /* Check the LASI */
  6180. bnx2x_cl45_read(bp, phy,
  6181. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6182. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6183. /* Check the link status */
  6184. bnx2x_cl45_read(bp, phy,
  6185. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6186. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6187. bnx2x_cl45_read(bp, phy,
  6188. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6191. link_up = ((val1 & 4) == 4);
  6192. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6193. if (link_up &&
  6194. ((phy->req_line_speed != SPEED_10000))) {
  6195. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6196. return 0;
  6197. }
  6198. bnx2x_cl45_read(bp, phy,
  6199. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6200. bnx2x_cl45_read(bp, phy,
  6201. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6202. /* Check the link status on 1.1.2 */
  6203. bnx2x_cl45_read(bp, phy,
  6204. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6205. bnx2x_cl45_read(bp, phy,
  6206. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6207. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6208. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6209. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6210. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6211. /*
  6212. * The SNR will improve about 2dbby changing the BW and FEE main
  6213. * tap. The 1st write to change FFE main tap is set before
  6214. * restart AN. Change PLL Bandwidth in EDC register
  6215. */
  6216. bnx2x_cl45_write(bp, phy,
  6217. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6218. 0x26BC);
  6219. /* Change CDR Bandwidth in EDC register */
  6220. bnx2x_cl45_write(bp, phy,
  6221. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6222. 0x0333);
  6223. }
  6224. bnx2x_cl45_read(bp, phy,
  6225. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6226. &link_status);
  6227. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6228. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6229. link_up = 1;
  6230. vars->line_speed = SPEED_10000;
  6231. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6232. params->port);
  6233. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6234. link_up = 1;
  6235. vars->line_speed = SPEED_2500;
  6236. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6237. params->port);
  6238. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6239. link_up = 1;
  6240. vars->line_speed = SPEED_1000;
  6241. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6242. params->port);
  6243. } else {
  6244. link_up = 0;
  6245. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6246. params->port);
  6247. }
  6248. if (link_up) {
  6249. /* Swap polarity if required */
  6250. if (params->lane_config &
  6251. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6252. /* Configure the 8073 to swap P and N of the KR lines */
  6253. bnx2x_cl45_read(bp, phy,
  6254. MDIO_XS_DEVAD,
  6255. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6256. /*
  6257. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6258. * when it`s in 10G mode.
  6259. */
  6260. if (vars->line_speed == SPEED_1000) {
  6261. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6262. "the 8073\n");
  6263. val1 |= (1<<3);
  6264. } else
  6265. val1 &= ~(1<<3);
  6266. bnx2x_cl45_write(bp, phy,
  6267. MDIO_XS_DEVAD,
  6268. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6269. val1);
  6270. }
  6271. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6272. bnx2x_8073_resolve_fc(phy, params, vars);
  6273. vars->duplex = DUPLEX_FULL;
  6274. }
  6275. return link_up;
  6276. }
  6277. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6278. struct link_params *params)
  6279. {
  6280. struct bnx2x *bp = params->bp;
  6281. u8 gpio_port;
  6282. if (CHIP_IS_E2(bp))
  6283. gpio_port = BP_PATH(bp);
  6284. else
  6285. gpio_port = params->port;
  6286. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6287. gpio_port);
  6288. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6289. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6290. gpio_port);
  6291. }
  6292. /******************************************************************/
  6293. /* BCM8705 PHY SECTION */
  6294. /******************************************************************/
  6295. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6296. struct link_params *params,
  6297. struct link_vars *vars)
  6298. {
  6299. struct bnx2x *bp = params->bp;
  6300. DP(NETIF_MSG_LINK, "init 8705\n");
  6301. /* Restore normal power mode*/
  6302. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6303. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6304. /* HW reset */
  6305. bnx2x_ext_phy_hw_reset(bp, params->port);
  6306. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6307. bnx2x_wait_reset_complete(bp, phy, params);
  6308. bnx2x_cl45_write(bp, phy,
  6309. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6310. bnx2x_cl45_write(bp, phy,
  6311. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6312. bnx2x_cl45_write(bp, phy,
  6313. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6314. bnx2x_cl45_write(bp, phy,
  6315. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6316. /* BCM8705 doesn't have microcode, hence the 0 */
  6317. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6318. return 0;
  6319. }
  6320. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6321. struct link_params *params,
  6322. struct link_vars *vars)
  6323. {
  6324. u8 link_up = 0;
  6325. u16 val1, rx_sd;
  6326. struct bnx2x *bp = params->bp;
  6327. DP(NETIF_MSG_LINK, "read status 8705\n");
  6328. bnx2x_cl45_read(bp, phy,
  6329. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6330. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6331. bnx2x_cl45_read(bp, phy,
  6332. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6333. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6334. bnx2x_cl45_read(bp, phy,
  6335. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6336. bnx2x_cl45_read(bp, phy,
  6337. MDIO_PMA_DEVAD, 0xc809, &val1);
  6338. bnx2x_cl45_read(bp, phy,
  6339. MDIO_PMA_DEVAD, 0xc809, &val1);
  6340. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6341. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6342. if (link_up) {
  6343. vars->line_speed = SPEED_10000;
  6344. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6345. }
  6346. return link_up;
  6347. }
  6348. /******************************************************************/
  6349. /* SFP+ module Section */
  6350. /******************************************************************/
  6351. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6352. struct bnx2x_phy *phy,
  6353. u8 pmd_dis)
  6354. {
  6355. struct bnx2x *bp = params->bp;
  6356. /*
  6357. * Disable transmitter only for bootcodes which can enable it afterwards
  6358. * (for D3 link)
  6359. */
  6360. if (pmd_dis) {
  6361. if (params->feature_config_flags &
  6362. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6363. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6364. else {
  6365. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6366. return;
  6367. }
  6368. } else
  6369. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6370. bnx2x_cl45_write(bp, phy,
  6371. MDIO_PMA_DEVAD,
  6372. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6373. }
  6374. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6375. {
  6376. u8 gpio_port;
  6377. u32 swap_val, swap_override;
  6378. struct bnx2x *bp = params->bp;
  6379. if (CHIP_IS_E2(bp))
  6380. gpio_port = BP_PATH(bp);
  6381. else
  6382. gpio_port = params->port;
  6383. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6384. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6385. return gpio_port ^ (swap_val && swap_override);
  6386. }
  6387. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6388. struct bnx2x_phy *phy,
  6389. u8 tx_en)
  6390. {
  6391. u16 val;
  6392. u8 port = params->port;
  6393. struct bnx2x *bp = params->bp;
  6394. u32 tx_en_mode;
  6395. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6396. tx_en_mode = REG_RD(bp, params->shmem_base +
  6397. offsetof(struct shmem_region,
  6398. dev_info.port_hw_config[port].sfp_ctrl)) &
  6399. PORT_HW_CFG_TX_LASER_MASK;
  6400. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6401. "mode = %x\n", tx_en, port, tx_en_mode);
  6402. switch (tx_en_mode) {
  6403. case PORT_HW_CFG_TX_LASER_MDIO:
  6404. bnx2x_cl45_read(bp, phy,
  6405. MDIO_PMA_DEVAD,
  6406. MDIO_PMA_REG_PHY_IDENTIFIER,
  6407. &val);
  6408. if (tx_en)
  6409. val &= ~(1<<15);
  6410. else
  6411. val |= (1<<15);
  6412. bnx2x_cl45_write(bp, phy,
  6413. MDIO_PMA_DEVAD,
  6414. MDIO_PMA_REG_PHY_IDENTIFIER,
  6415. val);
  6416. break;
  6417. case PORT_HW_CFG_TX_LASER_GPIO0:
  6418. case PORT_HW_CFG_TX_LASER_GPIO1:
  6419. case PORT_HW_CFG_TX_LASER_GPIO2:
  6420. case PORT_HW_CFG_TX_LASER_GPIO3:
  6421. {
  6422. u16 gpio_pin;
  6423. u8 gpio_port, gpio_mode;
  6424. if (tx_en)
  6425. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6426. else
  6427. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6428. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6429. gpio_port = bnx2x_get_gpio_port(params);
  6430. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6431. break;
  6432. }
  6433. default:
  6434. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6435. break;
  6436. }
  6437. }
  6438. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6439. struct bnx2x_phy *phy,
  6440. u8 tx_en)
  6441. {
  6442. struct bnx2x *bp = params->bp;
  6443. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6444. if (CHIP_IS_E3(bp))
  6445. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6446. else
  6447. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6448. }
  6449. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6450. struct link_params *params,
  6451. u16 addr, u8 byte_cnt, u8 *o_buf)
  6452. {
  6453. struct bnx2x *bp = params->bp;
  6454. u16 val = 0;
  6455. u16 i;
  6456. if (byte_cnt > 16) {
  6457. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6458. " is limited to 0xf\n");
  6459. return -EINVAL;
  6460. }
  6461. /* Set the read command byte count */
  6462. bnx2x_cl45_write(bp, phy,
  6463. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6464. (byte_cnt | 0xa000));
  6465. /* Set the read command address */
  6466. bnx2x_cl45_write(bp, phy,
  6467. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6468. addr);
  6469. /* Activate read command */
  6470. bnx2x_cl45_write(bp, phy,
  6471. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6472. 0x2c0f);
  6473. /* Wait up to 500us for command complete status */
  6474. for (i = 0; i < 100; i++) {
  6475. bnx2x_cl45_read(bp, phy,
  6476. MDIO_PMA_DEVAD,
  6477. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6478. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6479. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6480. break;
  6481. udelay(5);
  6482. }
  6483. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6484. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6485. DP(NETIF_MSG_LINK,
  6486. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6487. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6488. return -EINVAL;
  6489. }
  6490. /* Read the buffer */
  6491. for (i = 0; i < byte_cnt; i++) {
  6492. bnx2x_cl45_read(bp, phy,
  6493. MDIO_PMA_DEVAD,
  6494. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6495. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6496. }
  6497. for (i = 0; i < 100; i++) {
  6498. bnx2x_cl45_read(bp, phy,
  6499. MDIO_PMA_DEVAD,
  6500. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6501. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6502. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6503. return 0;
  6504. msleep(1);
  6505. }
  6506. return -EINVAL;
  6507. }
  6508. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6509. struct link_params *params,
  6510. u16 addr, u8 byte_cnt,
  6511. u8 *o_buf)
  6512. {
  6513. int rc = 0;
  6514. u8 i, j = 0, cnt = 0;
  6515. u32 data_array[4];
  6516. u16 addr32;
  6517. struct bnx2x *bp = params->bp;
  6518. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6519. " addr %d, cnt %d\n",
  6520. addr, byte_cnt);*/
  6521. if (byte_cnt > 16) {
  6522. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6523. " is limited to 16 bytes\n");
  6524. return -EINVAL;
  6525. }
  6526. /* 4 byte aligned address */
  6527. addr32 = addr & (~0x3);
  6528. do {
  6529. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6530. data_array);
  6531. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6532. if (rc == 0) {
  6533. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6534. o_buf[j] = *((u8 *)data_array + i);
  6535. j++;
  6536. }
  6537. }
  6538. return rc;
  6539. }
  6540. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6541. struct link_params *params,
  6542. u16 addr, u8 byte_cnt, u8 *o_buf)
  6543. {
  6544. struct bnx2x *bp = params->bp;
  6545. u16 val, i;
  6546. if (byte_cnt > 16) {
  6547. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6548. " is limited to 0xf\n");
  6549. return -EINVAL;
  6550. }
  6551. /* Need to read from 1.8000 to clear it */
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PMA_DEVAD,
  6554. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6555. &val);
  6556. /* Set the read command byte count */
  6557. bnx2x_cl45_write(bp, phy,
  6558. MDIO_PMA_DEVAD,
  6559. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6560. ((byte_cnt < 2) ? 2 : byte_cnt));
  6561. /* Set the read command address */
  6562. bnx2x_cl45_write(bp, phy,
  6563. MDIO_PMA_DEVAD,
  6564. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6565. addr);
  6566. /* Set the destination address */
  6567. bnx2x_cl45_write(bp, phy,
  6568. MDIO_PMA_DEVAD,
  6569. 0x8004,
  6570. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6571. /* Activate read command */
  6572. bnx2x_cl45_write(bp, phy,
  6573. MDIO_PMA_DEVAD,
  6574. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6575. 0x8002);
  6576. /*
  6577. * Wait appropriate time for two-wire command to finish before
  6578. * polling the status register
  6579. */
  6580. msleep(1);
  6581. /* Wait up to 500us for command complete status */
  6582. for (i = 0; i < 100; i++) {
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD,
  6585. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6586. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6587. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6588. break;
  6589. udelay(5);
  6590. }
  6591. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6592. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6593. DP(NETIF_MSG_LINK,
  6594. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6595. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6596. return -EFAULT;
  6597. }
  6598. /* Read the buffer */
  6599. for (i = 0; i < byte_cnt; i++) {
  6600. bnx2x_cl45_read(bp, phy,
  6601. MDIO_PMA_DEVAD,
  6602. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6603. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6604. }
  6605. for (i = 0; i < 100; i++) {
  6606. bnx2x_cl45_read(bp, phy,
  6607. MDIO_PMA_DEVAD,
  6608. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6609. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6610. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6611. return 0;
  6612. msleep(1);
  6613. }
  6614. return -EINVAL;
  6615. }
  6616. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6617. struct link_params *params, u16 addr,
  6618. u8 byte_cnt, u8 *o_buf)
  6619. {
  6620. int rc = -EINVAL;
  6621. switch (phy->type) {
  6622. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6623. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6624. byte_cnt, o_buf);
  6625. break;
  6626. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6627. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6628. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6629. byte_cnt, o_buf);
  6630. break;
  6631. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6632. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6633. byte_cnt, o_buf);
  6634. break;
  6635. }
  6636. return rc;
  6637. }
  6638. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6639. struct link_params *params,
  6640. u16 *edc_mode)
  6641. {
  6642. struct bnx2x *bp = params->bp;
  6643. u32 sync_offset = 0, phy_idx, media_types;
  6644. u8 val, check_limiting_mode = 0;
  6645. *edc_mode = EDC_MODE_LIMITING;
  6646. phy->media_type = ETH_PHY_UNSPECIFIED;
  6647. /* First check for copper cable */
  6648. if (bnx2x_read_sfp_module_eeprom(phy,
  6649. params,
  6650. SFP_EEPROM_CON_TYPE_ADDR,
  6651. 1,
  6652. &val) != 0) {
  6653. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6654. return -EINVAL;
  6655. }
  6656. switch (val) {
  6657. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6658. {
  6659. u8 copper_module_type;
  6660. phy->media_type = ETH_PHY_DA_TWINAX;
  6661. /*
  6662. * Check if its active cable (includes SFP+ module)
  6663. * of passive cable
  6664. */
  6665. if (bnx2x_read_sfp_module_eeprom(phy,
  6666. params,
  6667. SFP_EEPROM_FC_TX_TECH_ADDR,
  6668. 1,
  6669. &copper_module_type) != 0) {
  6670. DP(NETIF_MSG_LINK,
  6671. "Failed to read copper-cable-type"
  6672. " from SFP+ EEPROM\n");
  6673. return -EINVAL;
  6674. }
  6675. if (copper_module_type &
  6676. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6677. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6678. check_limiting_mode = 1;
  6679. } else if (copper_module_type &
  6680. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6681. DP(NETIF_MSG_LINK, "Passive Copper"
  6682. " cable detected\n");
  6683. *edc_mode =
  6684. EDC_MODE_PASSIVE_DAC;
  6685. } else {
  6686. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6687. "type 0x%x !!!\n", copper_module_type);
  6688. return -EINVAL;
  6689. }
  6690. break;
  6691. }
  6692. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6693. phy->media_type = ETH_PHY_SFP_FIBER;
  6694. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6695. check_limiting_mode = 1;
  6696. break;
  6697. default:
  6698. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6699. val);
  6700. return -EINVAL;
  6701. }
  6702. sync_offset = params->shmem_base +
  6703. offsetof(struct shmem_region,
  6704. dev_info.port_hw_config[params->port].media_type);
  6705. media_types = REG_RD(bp, sync_offset);
  6706. /* Update media type for non-PMF sync */
  6707. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6708. if (&(params->phy[phy_idx]) == phy) {
  6709. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6710. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6711. media_types |= ((phy->media_type &
  6712. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6713. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6714. break;
  6715. }
  6716. }
  6717. REG_WR(bp, sync_offset, media_types);
  6718. if (check_limiting_mode) {
  6719. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6720. if (bnx2x_read_sfp_module_eeprom(phy,
  6721. params,
  6722. SFP_EEPROM_OPTIONS_ADDR,
  6723. SFP_EEPROM_OPTIONS_SIZE,
  6724. options) != 0) {
  6725. DP(NETIF_MSG_LINK, "Failed to read Option"
  6726. " field from module EEPROM\n");
  6727. return -EINVAL;
  6728. }
  6729. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6730. *edc_mode = EDC_MODE_LINEAR;
  6731. else
  6732. *edc_mode = EDC_MODE_LIMITING;
  6733. }
  6734. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6735. return 0;
  6736. }
  6737. /*
  6738. * This function read the relevant field from the module (SFP+), and verify it
  6739. * is compliant with this board
  6740. */
  6741. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6742. struct link_params *params)
  6743. {
  6744. struct bnx2x *bp = params->bp;
  6745. u32 val, cmd;
  6746. u32 fw_resp, fw_cmd_param;
  6747. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6748. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6749. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6750. val = REG_RD(bp, params->shmem_base +
  6751. offsetof(struct shmem_region, dev_info.
  6752. port_feature_config[params->port].config));
  6753. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6754. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6755. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6756. return 0;
  6757. }
  6758. if (params->feature_config_flags &
  6759. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6760. /* Use specific phy request */
  6761. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6762. } else if (params->feature_config_flags &
  6763. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6764. /* Use first phy request only in case of non-dual media*/
  6765. if (DUAL_MEDIA(params)) {
  6766. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6767. "verification\n");
  6768. return -EINVAL;
  6769. }
  6770. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6771. } else {
  6772. /* No support in OPT MDL detection */
  6773. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6774. "verification\n");
  6775. return -EINVAL;
  6776. }
  6777. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6778. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6779. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6780. DP(NETIF_MSG_LINK, "Approved module\n");
  6781. return 0;
  6782. }
  6783. /* format the warning message */
  6784. if (bnx2x_read_sfp_module_eeprom(phy,
  6785. params,
  6786. SFP_EEPROM_VENDOR_NAME_ADDR,
  6787. SFP_EEPROM_VENDOR_NAME_SIZE,
  6788. (u8 *)vendor_name))
  6789. vendor_name[0] = '\0';
  6790. else
  6791. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6792. if (bnx2x_read_sfp_module_eeprom(phy,
  6793. params,
  6794. SFP_EEPROM_PART_NO_ADDR,
  6795. SFP_EEPROM_PART_NO_SIZE,
  6796. (u8 *)vendor_pn))
  6797. vendor_pn[0] = '\0';
  6798. else
  6799. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6800. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6801. " Port %d from %s part number %s\n",
  6802. params->port, vendor_name, vendor_pn);
  6803. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6804. return -EINVAL;
  6805. }
  6806. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6807. struct link_params *params)
  6808. {
  6809. u8 val;
  6810. struct bnx2x *bp = params->bp;
  6811. u16 timeout;
  6812. /*
  6813. * Initialization time after hot-plug may take up to 300ms for
  6814. * some phys type ( e.g. JDSU )
  6815. */
  6816. for (timeout = 0; timeout < 60; timeout++) {
  6817. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6818. == 0) {
  6819. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6820. "took %d ms\n", timeout * 5);
  6821. return 0;
  6822. }
  6823. msleep(5);
  6824. }
  6825. return -EINVAL;
  6826. }
  6827. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6828. struct bnx2x_phy *phy,
  6829. u8 is_power_up) {
  6830. /* Make sure GPIOs are not using for LED mode */
  6831. u16 val;
  6832. /*
  6833. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6834. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6835. * output
  6836. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6837. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6838. * where the 1st bit is the over-current(only input), and 2nd bit is
  6839. * for power( only output )
  6840. *
  6841. * In case of NOC feature is disabled and power is up, set GPIO control
  6842. * as input to enable listening of over-current indication
  6843. */
  6844. if (phy->flags & FLAGS_NOC)
  6845. return;
  6846. if (is_power_up)
  6847. val = (1<<4);
  6848. else
  6849. /*
  6850. * Set GPIO control to OUTPUT, and set the power bit
  6851. * to according to the is_power_up
  6852. */
  6853. val = (1<<1);
  6854. bnx2x_cl45_write(bp, phy,
  6855. MDIO_PMA_DEVAD,
  6856. MDIO_PMA_REG_8727_GPIO_CTRL,
  6857. val);
  6858. }
  6859. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6860. struct bnx2x_phy *phy,
  6861. u16 edc_mode)
  6862. {
  6863. u16 cur_limiting_mode;
  6864. bnx2x_cl45_read(bp, phy,
  6865. MDIO_PMA_DEVAD,
  6866. MDIO_PMA_REG_ROM_VER2,
  6867. &cur_limiting_mode);
  6868. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6869. cur_limiting_mode);
  6870. if (edc_mode == EDC_MODE_LIMITING) {
  6871. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6872. bnx2x_cl45_write(bp, phy,
  6873. MDIO_PMA_DEVAD,
  6874. MDIO_PMA_REG_ROM_VER2,
  6875. EDC_MODE_LIMITING);
  6876. } else { /* LRM mode ( default )*/
  6877. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6878. /*
  6879. * Changing to LRM mode takes quite few seconds. So do it only
  6880. * if current mode is limiting (default is LRM)
  6881. */
  6882. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6883. return 0;
  6884. bnx2x_cl45_write(bp, phy,
  6885. MDIO_PMA_DEVAD,
  6886. MDIO_PMA_REG_LRM_MODE,
  6887. 0);
  6888. bnx2x_cl45_write(bp, phy,
  6889. MDIO_PMA_DEVAD,
  6890. MDIO_PMA_REG_ROM_VER2,
  6891. 0x128);
  6892. bnx2x_cl45_write(bp, phy,
  6893. MDIO_PMA_DEVAD,
  6894. MDIO_PMA_REG_MISC_CTRL0,
  6895. 0x4008);
  6896. bnx2x_cl45_write(bp, phy,
  6897. MDIO_PMA_DEVAD,
  6898. MDIO_PMA_REG_LRM_MODE,
  6899. 0xaaaa);
  6900. }
  6901. return 0;
  6902. }
  6903. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6904. struct bnx2x_phy *phy,
  6905. u16 edc_mode)
  6906. {
  6907. u16 phy_identifier;
  6908. u16 rom_ver2_val;
  6909. bnx2x_cl45_read(bp, phy,
  6910. MDIO_PMA_DEVAD,
  6911. MDIO_PMA_REG_PHY_IDENTIFIER,
  6912. &phy_identifier);
  6913. bnx2x_cl45_write(bp, phy,
  6914. MDIO_PMA_DEVAD,
  6915. MDIO_PMA_REG_PHY_IDENTIFIER,
  6916. (phy_identifier & ~(1<<9)));
  6917. bnx2x_cl45_read(bp, phy,
  6918. MDIO_PMA_DEVAD,
  6919. MDIO_PMA_REG_ROM_VER2,
  6920. &rom_ver2_val);
  6921. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6922. bnx2x_cl45_write(bp, phy,
  6923. MDIO_PMA_DEVAD,
  6924. MDIO_PMA_REG_ROM_VER2,
  6925. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6926. bnx2x_cl45_write(bp, phy,
  6927. MDIO_PMA_DEVAD,
  6928. MDIO_PMA_REG_PHY_IDENTIFIER,
  6929. (phy_identifier | (1<<9)));
  6930. return 0;
  6931. }
  6932. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6933. struct link_params *params,
  6934. u32 action)
  6935. {
  6936. struct bnx2x *bp = params->bp;
  6937. switch (action) {
  6938. case DISABLE_TX:
  6939. bnx2x_sfp_set_transmitter(params, phy, 0);
  6940. break;
  6941. case ENABLE_TX:
  6942. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6943. bnx2x_sfp_set_transmitter(params, phy, 1);
  6944. break;
  6945. default:
  6946. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6947. action);
  6948. return;
  6949. }
  6950. }
  6951. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6952. u8 gpio_mode)
  6953. {
  6954. struct bnx2x *bp = params->bp;
  6955. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6956. offsetof(struct shmem_region,
  6957. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6958. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6959. switch (fault_led_gpio) {
  6960. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6961. return;
  6962. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6963. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6964. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6965. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6966. {
  6967. u8 gpio_port = bnx2x_get_gpio_port(params);
  6968. u16 gpio_pin = fault_led_gpio -
  6969. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6970. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6971. "pin %x port %x mode %x\n",
  6972. gpio_pin, gpio_port, gpio_mode);
  6973. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6974. }
  6975. break;
  6976. default:
  6977. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6978. fault_led_gpio);
  6979. }
  6980. }
  6981. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6982. u8 gpio_mode)
  6983. {
  6984. u32 pin_cfg;
  6985. u8 port = params->port;
  6986. struct bnx2x *bp = params->bp;
  6987. pin_cfg = (REG_RD(bp, params->shmem_base +
  6988. offsetof(struct shmem_region,
  6989. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6990. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6991. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6992. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6993. gpio_mode, pin_cfg);
  6994. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  6995. }
  6996. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  6997. u8 gpio_mode)
  6998. {
  6999. struct bnx2x *bp = params->bp;
  7000. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7001. if (CHIP_IS_E3(bp)) {
  7002. /*
  7003. * Low ==> if SFP+ module is supported otherwise
  7004. * High ==> if SFP+ module is not on the approved vendor list
  7005. */
  7006. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7007. } else
  7008. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7009. }
  7010. static void bnx2x_warpcore_power_module(struct link_params *params,
  7011. struct bnx2x_phy *phy,
  7012. u8 power)
  7013. {
  7014. u32 pin_cfg;
  7015. struct bnx2x *bp = params->bp;
  7016. pin_cfg = (REG_RD(bp, params->shmem_base +
  7017. offsetof(struct shmem_region,
  7018. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7019. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7020. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7021. if (pin_cfg == PIN_CFG_NA)
  7022. return;
  7023. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7024. power, pin_cfg);
  7025. /*
  7026. * Low ==> corresponding SFP+ module is powered
  7027. * high ==> the SFP+ module is powered down
  7028. */
  7029. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7030. }
  7031. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7032. struct link_params *params)
  7033. {
  7034. bnx2x_warpcore_power_module(params, phy, 0);
  7035. }
  7036. static void bnx2x_power_sfp_module(struct link_params *params,
  7037. struct bnx2x_phy *phy,
  7038. u8 power)
  7039. {
  7040. struct bnx2x *bp = params->bp;
  7041. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7042. switch (phy->type) {
  7043. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7045. bnx2x_8727_power_module(params->bp, phy, power);
  7046. break;
  7047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7048. bnx2x_warpcore_power_module(params, phy, power);
  7049. break;
  7050. default:
  7051. break;
  7052. }
  7053. }
  7054. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7055. struct bnx2x_phy *phy,
  7056. u16 edc_mode)
  7057. {
  7058. u16 val = 0;
  7059. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7060. struct bnx2x *bp = params->bp;
  7061. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7062. /* This is a global register which controls all lanes */
  7063. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7064. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7065. val &= ~(0xf << (lane << 2));
  7066. switch (edc_mode) {
  7067. case EDC_MODE_LINEAR:
  7068. case EDC_MODE_LIMITING:
  7069. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7070. break;
  7071. case EDC_MODE_PASSIVE_DAC:
  7072. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7073. break;
  7074. default:
  7075. break;
  7076. }
  7077. val |= (mode << (lane << 2));
  7078. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7079. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7080. /* A must read */
  7081. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7082. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7083. /* Restart microcode to re-read the new mode */
  7084. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7085. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7086. }
  7087. static void bnx2x_set_limiting_mode(struct link_params *params,
  7088. struct bnx2x_phy *phy,
  7089. u16 edc_mode)
  7090. {
  7091. switch (phy->type) {
  7092. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7093. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7094. break;
  7095. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7096. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7097. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7098. break;
  7099. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7100. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7101. break;
  7102. }
  7103. }
  7104. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7105. struct link_params *params)
  7106. {
  7107. struct bnx2x *bp = params->bp;
  7108. u16 edc_mode;
  7109. int rc = 0;
  7110. u32 val = REG_RD(bp, params->shmem_base +
  7111. offsetof(struct shmem_region, dev_info.
  7112. port_feature_config[params->port].config));
  7113. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7114. params->port);
  7115. /* Power up module */
  7116. bnx2x_power_sfp_module(params, phy, 1);
  7117. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7118. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7119. return -EINVAL;
  7120. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7121. /* check SFP+ module compatibility */
  7122. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7123. rc = -EINVAL;
  7124. /* Turn on fault module-detected led */
  7125. bnx2x_set_sfp_module_fault_led(params,
  7126. MISC_REGISTERS_GPIO_HIGH);
  7127. /* Check if need to power down the SFP+ module */
  7128. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7129. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7130. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7131. bnx2x_power_sfp_module(params, phy, 0);
  7132. return rc;
  7133. }
  7134. } else {
  7135. /* Turn off fault module-detected led */
  7136. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7137. }
  7138. /*
  7139. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7140. * is done automatically
  7141. */
  7142. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7143. /*
  7144. * Enable transmit for this module if the module is approved, or
  7145. * if unapproved modules should also enable the Tx laser
  7146. */
  7147. if (rc == 0 ||
  7148. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7149. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7150. bnx2x_sfp_set_transmitter(params, phy, 1);
  7151. else
  7152. bnx2x_sfp_set_transmitter(params, phy, 0);
  7153. return rc;
  7154. }
  7155. void bnx2x_handle_module_detect_int(struct link_params *params)
  7156. {
  7157. struct bnx2x *bp = params->bp;
  7158. struct bnx2x_phy *phy;
  7159. u32 gpio_val;
  7160. u8 gpio_num, gpio_port;
  7161. if (CHIP_IS_E3(bp))
  7162. phy = &params->phy[INT_PHY];
  7163. else
  7164. phy = &params->phy[EXT_PHY1];
  7165. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7166. params->port, &gpio_num, &gpio_port) ==
  7167. -EINVAL) {
  7168. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7169. return;
  7170. }
  7171. /* Set valid module led off */
  7172. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7173. /* Get current gpio val reflecting module plugged in / out*/
  7174. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7175. /* Call the handling function in case module is detected */
  7176. if (gpio_val == 0) {
  7177. bnx2x_power_sfp_module(params, phy, 1);
  7178. bnx2x_set_gpio_int(bp, gpio_num,
  7179. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7180. gpio_port);
  7181. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7182. bnx2x_sfp_module_detection(phy, params);
  7183. else
  7184. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7185. } else {
  7186. u32 val = REG_RD(bp, params->shmem_base +
  7187. offsetof(struct shmem_region, dev_info.
  7188. port_feature_config[params->port].
  7189. config));
  7190. bnx2x_set_gpio_int(bp, gpio_num,
  7191. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7192. gpio_port);
  7193. /*
  7194. * Module was plugged out.
  7195. * Disable transmit for this module
  7196. */
  7197. phy->media_type = ETH_PHY_NOT_PRESENT;
  7198. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7199. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7200. CHIP_IS_E3(bp))
  7201. bnx2x_sfp_set_transmitter(params, phy, 0);
  7202. }
  7203. }
  7204. /******************************************************************/
  7205. /* Used by 8706 and 8727 */
  7206. /******************************************************************/
  7207. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7208. struct bnx2x_phy *phy,
  7209. u16 alarm_status_offset,
  7210. u16 alarm_ctrl_offset)
  7211. {
  7212. u16 alarm_status, val;
  7213. bnx2x_cl45_read(bp, phy,
  7214. MDIO_PMA_DEVAD, alarm_status_offset,
  7215. &alarm_status);
  7216. bnx2x_cl45_read(bp, phy,
  7217. MDIO_PMA_DEVAD, alarm_status_offset,
  7218. &alarm_status);
  7219. /* Mask or enable the fault event. */
  7220. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7221. if (alarm_status & (1<<0))
  7222. val &= ~(1<<0);
  7223. else
  7224. val |= (1<<0);
  7225. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7226. }
  7227. /******************************************************************/
  7228. /* common BCM8706/BCM8726 PHY SECTION */
  7229. /******************************************************************/
  7230. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7231. struct link_params *params,
  7232. struct link_vars *vars)
  7233. {
  7234. u8 link_up = 0;
  7235. u16 val1, val2, rx_sd, pcs_status;
  7236. struct bnx2x *bp = params->bp;
  7237. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7238. /* Clear RX Alarm*/
  7239. bnx2x_cl45_read(bp, phy,
  7240. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7241. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7242. MDIO_PMA_LASI_TXCTRL);
  7243. /* clear LASI indication*/
  7244. bnx2x_cl45_read(bp, phy,
  7245. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7246. bnx2x_cl45_read(bp, phy,
  7247. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7248. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7249. bnx2x_cl45_read(bp, phy,
  7250. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7251. bnx2x_cl45_read(bp, phy,
  7252. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7253. bnx2x_cl45_read(bp, phy,
  7254. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7255. bnx2x_cl45_read(bp, phy,
  7256. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7257. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7258. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7259. /*
  7260. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7261. * are set, or if the autoneg bit 1 is set
  7262. */
  7263. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7264. if (link_up) {
  7265. if (val2 & (1<<1))
  7266. vars->line_speed = SPEED_1000;
  7267. else
  7268. vars->line_speed = SPEED_10000;
  7269. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7270. vars->duplex = DUPLEX_FULL;
  7271. }
  7272. /* Capture 10G link fault. Read twice to clear stale value. */
  7273. if (vars->line_speed == SPEED_10000) {
  7274. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7275. MDIO_PMA_LASI_TXSTAT, &val1);
  7276. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7277. MDIO_PMA_LASI_TXSTAT, &val1);
  7278. if (val1 & (1<<0))
  7279. vars->fault_detected = 1;
  7280. }
  7281. return link_up;
  7282. }
  7283. /******************************************************************/
  7284. /* BCM8706 PHY SECTION */
  7285. /******************************************************************/
  7286. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7287. struct link_params *params,
  7288. struct link_vars *vars)
  7289. {
  7290. u32 tx_en_mode;
  7291. u16 cnt, val, tmp1;
  7292. struct bnx2x *bp = params->bp;
  7293. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7294. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7295. /* HW reset */
  7296. bnx2x_ext_phy_hw_reset(bp, params->port);
  7297. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7298. bnx2x_wait_reset_complete(bp, phy, params);
  7299. /* Wait until fw is loaded */
  7300. for (cnt = 0; cnt < 100; cnt++) {
  7301. bnx2x_cl45_read(bp, phy,
  7302. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7303. if (val)
  7304. break;
  7305. msleep(10);
  7306. }
  7307. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7308. if ((params->feature_config_flags &
  7309. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7310. u8 i;
  7311. u16 reg;
  7312. for (i = 0; i < 4; i++) {
  7313. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7314. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7315. MDIO_XS_8706_REG_BANK_RX0);
  7316. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7317. /* Clear first 3 bits of the control */
  7318. val &= ~0x7;
  7319. /* Set control bits according to configuration */
  7320. val |= (phy->rx_preemphasis[i] & 0x7);
  7321. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7322. " reg 0x%x <-- val 0x%x\n", reg, val);
  7323. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7324. }
  7325. }
  7326. /* Force speed */
  7327. if (phy->req_line_speed == SPEED_10000) {
  7328. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7329. bnx2x_cl45_write(bp, phy,
  7330. MDIO_PMA_DEVAD,
  7331. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7332. bnx2x_cl45_write(bp, phy,
  7333. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7334. 0);
  7335. /* Arm LASI for link and Tx fault. */
  7336. bnx2x_cl45_write(bp, phy,
  7337. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7338. } else {
  7339. /* Force 1Gbps using autoneg with 1G advertisement */
  7340. /* Allow CL37 through CL73 */
  7341. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7342. bnx2x_cl45_write(bp, phy,
  7343. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7344. /* Enable Full-Duplex advertisement on CL37 */
  7345. bnx2x_cl45_write(bp, phy,
  7346. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7347. /* Enable CL37 AN */
  7348. bnx2x_cl45_write(bp, phy,
  7349. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7350. /* 1G support */
  7351. bnx2x_cl45_write(bp, phy,
  7352. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7353. /* Enable clause 73 AN */
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7356. bnx2x_cl45_write(bp, phy,
  7357. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7358. 0x0400);
  7359. bnx2x_cl45_write(bp, phy,
  7360. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7361. 0x0004);
  7362. }
  7363. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7364. /*
  7365. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7366. * power mode, if TX Laser is disabled
  7367. */
  7368. tx_en_mode = REG_RD(bp, params->shmem_base +
  7369. offsetof(struct shmem_region,
  7370. dev_info.port_hw_config[params->port].sfp_ctrl))
  7371. & PORT_HW_CFG_TX_LASER_MASK;
  7372. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7373. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7374. bnx2x_cl45_read(bp, phy,
  7375. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7376. tmp1 |= 0x1;
  7377. bnx2x_cl45_write(bp, phy,
  7378. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7379. }
  7380. return 0;
  7381. }
  7382. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7383. struct link_params *params,
  7384. struct link_vars *vars)
  7385. {
  7386. return bnx2x_8706_8726_read_status(phy, params, vars);
  7387. }
  7388. /******************************************************************/
  7389. /* BCM8726 PHY SECTION */
  7390. /******************************************************************/
  7391. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7392. struct link_params *params)
  7393. {
  7394. struct bnx2x *bp = params->bp;
  7395. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7396. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7397. }
  7398. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7399. struct link_params *params)
  7400. {
  7401. struct bnx2x *bp = params->bp;
  7402. /* Need to wait 100ms after reset */
  7403. msleep(100);
  7404. /* Micro controller re-boot */
  7405. bnx2x_cl45_write(bp, phy,
  7406. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7407. /* Set soft reset */
  7408. bnx2x_cl45_write(bp, phy,
  7409. MDIO_PMA_DEVAD,
  7410. MDIO_PMA_REG_GEN_CTRL,
  7411. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7412. bnx2x_cl45_write(bp, phy,
  7413. MDIO_PMA_DEVAD,
  7414. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7415. bnx2x_cl45_write(bp, phy,
  7416. MDIO_PMA_DEVAD,
  7417. MDIO_PMA_REG_GEN_CTRL,
  7418. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7419. /* wait for 150ms for microcode load */
  7420. msleep(150);
  7421. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7422. bnx2x_cl45_write(bp, phy,
  7423. MDIO_PMA_DEVAD,
  7424. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7425. msleep(200);
  7426. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7427. }
  7428. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7429. struct link_params *params,
  7430. struct link_vars *vars)
  7431. {
  7432. struct bnx2x *bp = params->bp;
  7433. u16 val1;
  7434. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7435. if (link_up) {
  7436. bnx2x_cl45_read(bp, phy,
  7437. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7438. &val1);
  7439. if (val1 & (1<<15)) {
  7440. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7441. link_up = 0;
  7442. vars->line_speed = 0;
  7443. }
  7444. }
  7445. return link_up;
  7446. }
  7447. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7448. struct link_params *params,
  7449. struct link_vars *vars)
  7450. {
  7451. struct bnx2x *bp = params->bp;
  7452. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7453. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7454. bnx2x_wait_reset_complete(bp, phy, params);
  7455. bnx2x_8726_external_rom_boot(phy, params);
  7456. /*
  7457. * Need to call module detected on initialization since the module
  7458. * detection triggered by actual module insertion might occur before
  7459. * driver is loaded, and when driver is loaded, it reset all
  7460. * registers, including the transmitter
  7461. */
  7462. bnx2x_sfp_module_detection(phy, params);
  7463. if (phy->req_line_speed == SPEED_1000) {
  7464. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7465. bnx2x_cl45_write(bp, phy,
  7466. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7467. bnx2x_cl45_write(bp, phy,
  7468. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7469. bnx2x_cl45_write(bp, phy,
  7470. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7471. bnx2x_cl45_write(bp, phy,
  7472. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7473. 0x400);
  7474. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7475. (phy->speed_cap_mask &
  7476. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7477. ((phy->speed_cap_mask &
  7478. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7479. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7480. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7481. /* Set Flow control */
  7482. bnx2x_ext_phy_set_pause(params, phy, vars);
  7483. bnx2x_cl45_write(bp, phy,
  7484. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7485. bnx2x_cl45_write(bp, phy,
  7486. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7487. bnx2x_cl45_write(bp, phy,
  7488. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7489. bnx2x_cl45_write(bp, phy,
  7490. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7491. bnx2x_cl45_write(bp, phy,
  7492. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7493. /*
  7494. * Enable RX-ALARM control to receive interrupt for 1G speed
  7495. * change
  7496. */
  7497. bnx2x_cl45_write(bp, phy,
  7498. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7499. bnx2x_cl45_write(bp, phy,
  7500. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7501. 0x400);
  7502. } else { /* Default 10G. Set only LASI control */
  7503. bnx2x_cl45_write(bp, phy,
  7504. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7505. }
  7506. /* Set TX PreEmphasis if needed */
  7507. if ((params->feature_config_flags &
  7508. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7509. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7510. "TX_CTRL2 0x%x\n",
  7511. phy->tx_preemphasis[0],
  7512. phy->tx_preemphasis[1]);
  7513. bnx2x_cl45_write(bp, phy,
  7514. MDIO_PMA_DEVAD,
  7515. MDIO_PMA_REG_8726_TX_CTRL1,
  7516. phy->tx_preemphasis[0]);
  7517. bnx2x_cl45_write(bp, phy,
  7518. MDIO_PMA_DEVAD,
  7519. MDIO_PMA_REG_8726_TX_CTRL2,
  7520. phy->tx_preemphasis[1]);
  7521. }
  7522. return 0;
  7523. }
  7524. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7525. struct link_params *params)
  7526. {
  7527. struct bnx2x *bp = params->bp;
  7528. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7529. /* Set serial boot control for external load */
  7530. bnx2x_cl45_write(bp, phy,
  7531. MDIO_PMA_DEVAD,
  7532. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7533. }
  7534. /******************************************************************/
  7535. /* BCM8727 PHY SECTION */
  7536. /******************************************************************/
  7537. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7538. struct link_params *params, u8 mode)
  7539. {
  7540. struct bnx2x *bp = params->bp;
  7541. u16 led_mode_bitmask = 0;
  7542. u16 gpio_pins_bitmask = 0;
  7543. u16 val;
  7544. /* Only NOC flavor requires to set the LED specifically */
  7545. if (!(phy->flags & FLAGS_NOC))
  7546. return;
  7547. switch (mode) {
  7548. case LED_MODE_FRONT_PANEL_OFF:
  7549. case LED_MODE_OFF:
  7550. led_mode_bitmask = 0;
  7551. gpio_pins_bitmask = 0x03;
  7552. break;
  7553. case LED_MODE_ON:
  7554. led_mode_bitmask = 0;
  7555. gpio_pins_bitmask = 0x02;
  7556. break;
  7557. case LED_MODE_OPER:
  7558. led_mode_bitmask = 0x60;
  7559. gpio_pins_bitmask = 0x11;
  7560. break;
  7561. }
  7562. bnx2x_cl45_read(bp, phy,
  7563. MDIO_PMA_DEVAD,
  7564. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7565. &val);
  7566. val &= 0xff8f;
  7567. val |= led_mode_bitmask;
  7568. bnx2x_cl45_write(bp, phy,
  7569. MDIO_PMA_DEVAD,
  7570. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7571. val);
  7572. bnx2x_cl45_read(bp, phy,
  7573. MDIO_PMA_DEVAD,
  7574. MDIO_PMA_REG_8727_GPIO_CTRL,
  7575. &val);
  7576. val &= 0xffe0;
  7577. val |= gpio_pins_bitmask;
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_PMA_DEVAD,
  7580. MDIO_PMA_REG_8727_GPIO_CTRL,
  7581. val);
  7582. }
  7583. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7584. struct link_params *params) {
  7585. u32 swap_val, swap_override;
  7586. u8 port;
  7587. /*
  7588. * The PHY reset is controlled by GPIO 1. Fake the port number
  7589. * to cancel the swap done in set_gpio()
  7590. */
  7591. struct bnx2x *bp = params->bp;
  7592. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7593. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7594. port = (swap_val && swap_override) ^ 1;
  7595. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7596. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7597. }
  7598. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7599. struct link_params *params,
  7600. struct link_vars *vars)
  7601. {
  7602. u32 tx_en_mode;
  7603. u16 tmp1, val, mod_abs, tmp2;
  7604. u16 rx_alarm_ctrl_val;
  7605. u16 lasi_ctrl_val;
  7606. struct bnx2x *bp = params->bp;
  7607. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7608. bnx2x_wait_reset_complete(bp, phy, params);
  7609. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7610. /* Should be 0x6 to enable XS on Tx side. */
  7611. lasi_ctrl_val = 0x0006;
  7612. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7613. /* enable LASI */
  7614. bnx2x_cl45_write(bp, phy,
  7615. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7616. rx_alarm_ctrl_val);
  7617. bnx2x_cl45_write(bp, phy,
  7618. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7619. 0);
  7620. bnx2x_cl45_write(bp, phy,
  7621. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7622. /*
  7623. * Initially configure MOD_ABS to interrupt when module is
  7624. * presence( bit 8)
  7625. */
  7626. bnx2x_cl45_read(bp, phy,
  7627. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7628. /*
  7629. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7630. * When the EDC is off it locks onto a reference clock and avoids
  7631. * becoming 'lost'
  7632. */
  7633. mod_abs &= ~(1<<8);
  7634. if (!(phy->flags & FLAGS_NOC))
  7635. mod_abs &= ~(1<<9);
  7636. bnx2x_cl45_write(bp, phy,
  7637. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7638. /* Enable/Disable PHY transmitter output */
  7639. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7640. /* Make MOD_ABS give interrupt on change */
  7641. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7642. &val);
  7643. val |= (1<<12);
  7644. if (phy->flags & FLAGS_NOC)
  7645. val |= (3<<5);
  7646. /*
  7647. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7648. * status which reflect SFP+ module over-current
  7649. */
  7650. if (!(phy->flags & FLAGS_NOC))
  7651. val &= 0xff8f; /* Reset bits 4-6 */
  7652. bnx2x_cl45_write(bp, phy,
  7653. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7654. bnx2x_8727_power_module(bp, phy, 1);
  7655. bnx2x_cl45_read(bp, phy,
  7656. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7657. bnx2x_cl45_read(bp, phy,
  7658. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7659. /* Set option 1G speed */
  7660. if (phy->req_line_speed == SPEED_1000) {
  7661. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7662. bnx2x_cl45_write(bp, phy,
  7663. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7664. bnx2x_cl45_write(bp, phy,
  7665. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7666. bnx2x_cl45_read(bp, phy,
  7667. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7668. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7669. /*
  7670. * Power down the XAUI until link is up in case of dual-media
  7671. * and 1G
  7672. */
  7673. if (DUAL_MEDIA(params)) {
  7674. bnx2x_cl45_read(bp, phy,
  7675. MDIO_PMA_DEVAD,
  7676. MDIO_PMA_REG_8727_PCS_GP, &val);
  7677. val |= (3<<10);
  7678. bnx2x_cl45_write(bp, phy,
  7679. MDIO_PMA_DEVAD,
  7680. MDIO_PMA_REG_8727_PCS_GP, val);
  7681. }
  7682. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7683. ((phy->speed_cap_mask &
  7684. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7685. ((phy->speed_cap_mask &
  7686. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7687. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7688. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7689. bnx2x_cl45_write(bp, phy,
  7690. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7691. bnx2x_cl45_write(bp, phy,
  7692. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7693. } else {
  7694. /*
  7695. * Since the 8727 has only single reset pin, need to set the 10G
  7696. * registers although it is default
  7697. */
  7698. bnx2x_cl45_write(bp, phy,
  7699. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7700. 0x0020);
  7701. bnx2x_cl45_write(bp, phy,
  7702. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7705. bnx2x_cl45_write(bp, phy,
  7706. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7707. 0x0008);
  7708. }
  7709. /*
  7710. * Set 2-wire transfer rate of SFP+ module EEPROM
  7711. * to 100Khz since some DACs(direct attached cables) do
  7712. * not work at 400Khz.
  7713. */
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7716. 0xa001);
  7717. /* Set TX PreEmphasis if needed */
  7718. if ((params->feature_config_flags &
  7719. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7720. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7721. phy->tx_preemphasis[0],
  7722. phy->tx_preemphasis[1]);
  7723. bnx2x_cl45_write(bp, phy,
  7724. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7725. phy->tx_preemphasis[0]);
  7726. bnx2x_cl45_write(bp, phy,
  7727. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7728. phy->tx_preemphasis[1]);
  7729. }
  7730. /*
  7731. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7732. * power mode, if TX Laser is disabled
  7733. */
  7734. tx_en_mode = REG_RD(bp, params->shmem_base +
  7735. offsetof(struct shmem_region,
  7736. dev_info.port_hw_config[params->port].sfp_ctrl))
  7737. & PORT_HW_CFG_TX_LASER_MASK;
  7738. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7739. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7740. bnx2x_cl45_read(bp, phy,
  7741. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7742. tmp2 |= 0x1000;
  7743. tmp2 &= 0xFFEF;
  7744. bnx2x_cl45_write(bp, phy,
  7745. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7746. }
  7747. return 0;
  7748. }
  7749. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7750. struct link_params *params)
  7751. {
  7752. struct bnx2x *bp = params->bp;
  7753. u16 mod_abs, rx_alarm_status;
  7754. u32 val = REG_RD(bp, params->shmem_base +
  7755. offsetof(struct shmem_region, dev_info.
  7756. port_feature_config[params->port].
  7757. config));
  7758. bnx2x_cl45_read(bp, phy,
  7759. MDIO_PMA_DEVAD,
  7760. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7761. if (mod_abs & (1<<8)) {
  7762. /* Module is absent */
  7763. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7764. "show module is absent\n");
  7765. phy->media_type = ETH_PHY_NOT_PRESENT;
  7766. /*
  7767. * 1. Set mod_abs to detect next module
  7768. * presence event
  7769. * 2. Set EDC off by setting OPTXLOS signal input to low
  7770. * (bit 9).
  7771. * When the EDC is off it locks onto a reference clock and
  7772. * avoids becoming 'lost'.
  7773. */
  7774. mod_abs &= ~(1<<8);
  7775. if (!(phy->flags & FLAGS_NOC))
  7776. mod_abs &= ~(1<<9);
  7777. bnx2x_cl45_write(bp, phy,
  7778. MDIO_PMA_DEVAD,
  7779. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7780. /*
  7781. * Clear RX alarm since it stays up as long as
  7782. * the mod_abs wasn't changed
  7783. */
  7784. bnx2x_cl45_read(bp, phy,
  7785. MDIO_PMA_DEVAD,
  7786. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7787. } else {
  7788. /* Module is present */
  7789. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7790. "show module is present\n");
  7791. /*
  7792. * First disable transmitter, and if the module is ok, the
  7793. * module_detection will enable it
  7794. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7795. * 2. Restore the default polarity of the OPRXLOS signal and
  7796. * this signal will then correctly indicate the presence or
  7797. * absence of the Rx signal. (bit 9)
  7798. */
  7799. mod_abs |= (1<<8);
  7800. if (!(phy->flags & FLAGS_NOC))
  7801. mod_abs |= (1<<9);
  7802. bnx2x_cl45_write(bp, phy,
  7803. MDIO_PMA_DEVAD,
  7804. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7805. /*
  7806. * Clear RX alarm since it stays up as long as the mod_abs
  7807. * wasn't changed. This is need to be done before calling the
  7808. * module detection, otherwise it will clear* the link update
  7809. * alarm
  7810. */
  7811. bnx2x_cl45_read(bp, phy,
  7812. MDIO_PMA_DEVAD,
  7813. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7814. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7815. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7816. bnx2x_sfp_set_transmitter(params, phy, 0);
  7817. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7818. bnx2x_sfp_module_detection(phy, params);
  7819. else
  7820. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7821. }
  7822. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7823. rx_alarm_status);
  7824. /* No need to check link status in case of module plugged in/out */
  7825. }
  7826. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7827. struct link_params *params,
  7828. struct link_vars *vars)
  7829. {
  7830. struct bnx2x *bp = params->bp;
  7831. u8 link_up = 0, oc_port = params->port;
  7832. u16 link_status = 0;
  7833. u16 rx_alarm_status, lasi_ctrl, val1;
  7834. /* If PHY is not initialized, do not check link status */
  7835. bnx2x_cl45_read(bp, phy,
  7836. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7837. &lasi_ctrl);
  7838. if (!lasi_ctrl)
  7839. return 0;
  7840. /* Check the LASI on Rx */
  7841. bnx2x_cl45_read(bp, phy,
  7842. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7843. &rx_alarm_status);
  7844. vars->line_speed = 0;
  7845. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7846. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7847. MDIO_PMA_LASI_TXCTRL);
  7848. bnx2x_cl45_read(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7850. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7851. /* Clear MSG-OUT */
  7852. bnx2x_cl45_read(bp, phy,
  7853. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7854. /*
  7855. * If a module is present and there is need to check
  7856. * for over current
  7857. */
  7858. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7859. /* Check over-current using 8727 GPIO0 input*/
  7860. bnx2x_cl45_read(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7862. &val1);
  7863. if ((val1 & (1<<8)) == 0) {
  7864. if (!CHIP_IS_E1x(bp))
  7865. oc_port = BP_PATH(bp) + (params->port << 1);
  7866. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7867. " on port %d\n", oc_port);
  7868. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7869. " been detected and the power to "
  7870. "that SFP+ module has been removed"
  7871. " to prevent failure of the card."
  7872. " Please remove the SFP+ module and"
  7873. " restart the system to clear this"
  7874. " error.\n",
  7875. oc_port);
  7876. /* Disable all RX_ALARMs except for mod_abs */
  7877. bnx2x_cl45_write(bp, phy,
  7878. MDIO_PMA_DEVAD,
  7879. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7880. bnx2x_cl45_read(bp, phy,
  7881. MDIO_PMA_DEVAD,
  7882. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7883. /* Wait for module_absent_event */
  7884. val1 |= (1<<8);
  7885. bnx2x_cl45_write(bp, phy,
  7886. MDIO_PMA_DEVAD,
  7887. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7888. /* Clear RX alarm */
  7889. bnx2x_cl45_read(bp, phy,
  7890. MDIO_PMA_DEVAD,
  7891. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7892. return 0;
  7893. }
  7894. } /* Over current check */
  7895. /* When module absent bit is set, check module */
  7896. if (rx_alarm_status & (1<<5)) {
  7897. bnx2x_8727_handle_mod_abs(phy, params);
  7898. /* Enable all mod_abs and link detection bits */
  7899. bnx2x_cl45_write(bp, phy,
  7900. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7901. ((1<<5) | (1<<2)));
  7902. }
  7903. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7904. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7905. /* If transmitter is disabled, ignore false link up indication */
  7906. bnx2x_cl45_read(bp, phy,
  7907. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7908. if (val1 & (1<<15)) {
  7909. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7910. return 0;
  7911. }
  7912. bnx2x_cl45_read(bp, phy,
  7913. MDIO_PMA_DEVAD,
  7914. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7915. /*
  7916. * Bits 0..2 --> speed detected,
  7917. * Bits 13..15--> link is down
  7918. */
  7919. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7920. link_up = 1;
  7921. vars->line_speed = SPEED_10000;
  7922. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7923. params->port);
  7924. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7925. link_up = 1;
  7926. vars->line_speed = SPEED_1000;
  7927. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7928. params->port);
  7929. } else {
  7930. link_up = 0;
  7931. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7932. params->port);
  7933. }
  7934. /* Capture 10G link fault. */
  7935. if (vars->line_speed == SPEED_10000) {
  7936. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7937. MDIO_PMA_LASI_TXSTAT, &val1);
  7938. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7939. MDIO_PMA_LASI_TXSTAT, &val1);
  7940. if (val1 & (1<<0)) {
  7941. vars->fault_detected = 1;
  7942. }
  7943. }
  7944. if (link_up) {
  7945. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7946. vars->duplex = DUPLEX_FULL;
  7947. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7948. }
  7949. if ((DUAL_MEDIA(params)) &&
  7950. (phy->req_line_speed == SPEED_1000)) {
  7951. bnx2x_cl45_read(bp, phy,
  7952. MDIO_PMA_DEVAD,
  7953. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7954. /*
  7955. * In case of dual-media board and 1G, power up the XAUI side,
  7956. * otherwise power it down. For 10G it is done automatically
  7957. */
  7958. if (link_up)
  7959. val1 &= ~(3<<10);
  7960. else
  7961. val1 |= (3<<10);
  7962. bnx2x_cl45_write(bp, phy,
  7963. MDIO_PMA_DEVAD,
  7964. MDIO_PMA_REG_8727_PCS_GP, val1);
  7965. }
  7966. return link_up;
  7967. }
  7968. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7969. struct link_params *params)
  7970. {
  7971. struct bnx2x *bp = params->bp;
  7972. /* Enable/Disable PHY transmitter output */
  7973. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  7974. /* Disable Transmitter */
  7975. bnx2x_sfp_set_transmitter(params, phy, 0);
  7976. /* Clear LASI */
  7977. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7978. }
  7979. /******************************************************************/
  7980. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7981. /******************************************************************/
  7982. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7983. struct link_params *params)
  7984. {
  7985. u16 val, fw_ver1, fw_ver2, cnt;
  7986. u8 port;
  7987. struct bnx2x *bp = params->bp;
  7988. port = params->port;
  7989. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7990. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7991. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7992. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7993. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7994. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  7995. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  7996. for (cnt = 0; cnt < 100; cnt++) {
  7997. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7998. if (val & 1)
  7999. break;
  8000. udelay(5);
  8001. }
  8002. if (cnt == 100) {
  8003. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8004. bnx2x_save_spirom_version(bp, port, 0,
  8005. phy->ver_addr);
  8006. return;
  8007. }
  8008. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8009. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8010. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8011. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8012. for (cnt = 0; cnt < 100; cnt++) {
  8013. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8014. if (val & 1)
  8015. break;
  8016. udelay(5);
  8017. }
  8018. if (cnt == 100) {
  8019. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8020. bnx2x_save_spirom_version(bp, port, 0,
  8021. phy->ver_addr);
  8022. return;
  8023. }
  8024. /* lower 16 bits of the register SPI_FW_STATUS */
  8025. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8026. /* upper 16 bits of register SPI_FW_STATUS */
  8027. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8028. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8029. phy->ver_addr);
  8030. }
  8031. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8032. struct bnx2x_phy *phy)
  8033. {
  8034. u16 val;
  8035. /* PHYC_CTL_LED_CTL */
  8036. bnx2x_cl45_read(bp, phy,
  8037. MDIO_PMA_DEVAD,
  8038. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8039. val &= 0xFE00;
  8040. val |= 0x0092;
  8041. bnx2x_cl45_write(bp, phy,
  8042. MDIO_PMA_DEVAD,
  8043. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8044. bnx2x_cl45_write(bp, phy,
  8045. MDIO_PMA_DEVAD,
  8046. MDIO_PMA_REG_8481_LED1_MASK,
  8047. 0x80);
  8048. bnx2x_cl45_write(bp, phy,
  8049. MDIO_PMA_DEVAD,
  8050. MDIO_PMA_REG_8481_LED2_MASK,
  8051. 0x18);
  8052. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_PMA_DEVAD,
  8055. MDIO_PMA_REG_8481_LED3_MASK,
  8056. 0x0006);
  8057. /* Select the closest activity blink rate to that in 10/100/1000 */
  8058. bnx2x_cl45_write(bp, phy,
  8059. MDIO_PMA_DEVAD,
  8060. MDIO_PMA_REG_8481_LED3_BLINK,
  8061. 0);
  8062. bnx2x_cl45_read(bp, phy,
  8063. MDIO_PMA_DEVAD,
  8064. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8065. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8066. bnx2x_cl45_write(bp, phy,
  8067. MDIO_PMA_DEVAD,
  8068. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8069. /* 'Interrupt Mask' */
  8070. bnx2x_cl45_write(bp, phy,
  8071. MDIO_AN_DEVAD,
  8072. 0xFFFB, 0xFFFD);
  8073. }
  8074. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8075. struct link_params *params,
  8076. struct link_vars *vars)
  8077. {
  8078. struct bnx2x *bp = params->bp;
  8079. u16 autoneg_val, an_1000_val, an_10_100_val;
  8080. u16 tmp_req_line_speed;
  8081. tmp_req_line_speed = phy->req_line_speed;
  8082. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8083. if (phy->req_line_speed == SPEED_10000)
  8084. phy->req_line_speed = SPEED_AUTO_NEG;
  8085. /*
  8086. * This phy uses the NIG latch mechanism since link indication
  8087. * arrives through its LED4 and not via its LASI signal, so we
  8088. * get steady signal instead of clear on read
  8089. */
  8090. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8091. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8092. bnx2x_cl45_write(bp, phy,
  8093. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8094. bnx2x_848xx_set_led(bp, phy);
  8095. /* set 1000 speed advertisement */
  8096. bnx2x_cl45_read(bp, phy,
  8097. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8098. &an_1000_val);
  8099. bnx2x_ext_phy_set_pause(params, phy, vars);
  8100. bnx2x_cl45_read(bp, phy,
  8101. MDIO_AN_DEVAD,
  8102. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8103. &an_10_100_val);
  8104. bnx2x_cl45_read(bp, phy,
  8105. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8106. &autoneg_val);
  8107. /* Disable forced speed */
  8108. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8109. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8110. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8111. (phy->speed_cap_mask &
  8112. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8113. (phy->req_line_speed == SPEED_1000)) {
  8114. an_1000_val |= (1<<8);
  8115. autoneg_val |= (1<<9 | 1<<12);
  8116. if (phy->req_duplex == DUPLEX_FULL)
  8117. an_1000_val |= (1<<9);
  8118. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8119. } else
  8120. an_1000_val &= ~((1<<8) | (1<<9));
  8121. bnx2x_cl45_write(bp, phy,
  8122. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8123. an_1000_val);
  8124. /* set 100 speed advertisement */
  8125. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8126. (phy->speed_cap_mask &
  8127. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8128. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8129. (phy->supported &
  8130. (SUPPORTED_100baseT_Half |
  8131. SUPPORTED_100baseT_Full)))) {
  8132. an_10_100_val |= (1<<7);
  8133. /* Enable autoneg and restart autoneg for legacy speeds */
  8134. autoneg_val |= (1<<9 | 1<<12);
  8135. if (phy->req_duplex == DUPLEX_FULL)
  8136. an_10_100_val |= (1<<8);
  8137. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8138. }
  8139. /* set 10 speed advertisement */
  8140. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8141. (phy->speed_cap_mask &
  8142. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8143. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8144. (phy->supported &
  8145. (SUPPORTED_10baseT_Half |
  8146. SUPPORTED_10baseT_Full)))) {
  8147. an_10_100_val |= (1<<5);
  8148. autoneg_val |= (1<<9 | 1<<12);
  8149. if (phy->req_duplex == DUPLEX_FULL)
  8150. an_10_100_val |= (1<<6);
  8151. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8152. }
  8153. /* Only 10/100 are allowed to work in FORCE mode */
  8154. if ((phy->req_line_speed == SPEED_100) &&
  8155. (phy->supported &
  8156. (SUPPORTED_100baseT_Half |
  8157. SUPPORTED_100baseT_Full))) {
  8158. autoneg_val |= (1<<13);
  8159. /* Enabled AUTO-MDIX when autoneg is disabled */
  8160. bnx2x_cl45_write(bp, phy,
  8161. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8162. (1<<15 | 1<<9 | 7<<0));
  8163. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8164. }
  8165. if ((phy->req_line_speed == SPEED_10) &&
  8166. (phy->supported &
  8167. (SUPPORTED_10baseT_Half |
  8168. SUPPORTED_10baseT_Full))) {
  8169. /* Enabled AUTO-MDIX when autoneg is disabled */
  8170. bnx2x_cl45_write(bp, phy,
  8171. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8172. (1<<15 | 1<<9 | 7<<0));
  8173. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8174. }
  8175. bnx2x_cl45_write(bp, phy,
  8176. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8177. an_10_100_val);
  8178. if (phy->req_duplex == DUPLEX_FULL)
  8179. autoneg_val |= (1<<8);
  8180. /*
  8181. * Always write this if this is not 84833.
  8182. * For 84833, write it only when it's a forced speed.
  8183. */
  8184. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8185. ((autoneg_val & (1<<12)) == 0))
  8186. bnx2x_cl45_write(bp, phy,
  8187. MDIO_AN_DEVAD,
  8188. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8189. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8190. (phy->speed_cap_mask &
  8191. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8192. (phy->req_line_speed == SPEED_10000)) {
  8193. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8194. /* Restart autoneg for 10G*/
  8195. bnx2x_cl45_write(bp, phy,
  8196. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8197. 0x3200);
  8198. } else
  8199. bnx2x_cl45_write(bp, phy,
  8200. MDIO_AN_DEVAD,
  8201. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8202. 1);
  8203. /* Save spirom version */
  8204. bnx2x_save_848xx_spirom_version(phy, params);
  8205. phy->req_line_speed = tmp_req_line_speed;
  8206. return 0;
  8207. }
  8208. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8209. struct link_params *params,
  8210. struct link_vars *vars)
  8211. {
  8212. struct bnx2x *bp = params->bp;
  8213. /* Restore normal power mode*/
  8214. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8215. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8216. /* HW reset */
  8217. bnx2x_ext_phy_hw_reset(bp, params->port);
  8218. bnx2x_wait_reset_complete(bp, phy, params);
  8219. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8220. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8221. }
  8222. #define PHY84833_HDSHK_WAIT 300
  8223. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8224. struct link_params *params,
  8225. struct link_vars *vars)
  8226. {
  8227. u32 idx;
  8228. u32 pair_swap;
  8229. u16 val;
  8230. u16 data;
  8231. struct bnx2x *bp = params->bp;
  8232. /* Do pair swap */
  8233. /* Check for configuration. */
  8234. pair_swap = REG_RD(bp, params->shmem_base +
  8235. offsetof(struct shmem_region,
  8236. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8237. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8238. if (pair_swap == 0)
  8239. return 0;
  8240. data = (u16)pair_swap;
  8241. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8242. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8243. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8244. PHY84833_CMD_OPEN_OVERRIDE);
  8245. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8246. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8247. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8248. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8249. break;
  8250. msleep(1);
  8251. }
  8252. if (idx >= PHY84833_HDSHK_WAIT) {
  8253. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8254. return -EINVAL;
  8255. }
  8256. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8257. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8258. data);
  8259. /* Issue pair swap command */
  8260. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8261. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8262. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8263. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8264. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8265. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8266. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8267. (val == PHY84833_CMD_COMPLETE_ERROR))
  8268. break;
  8269. msleep(1);
  8270. }
  8271. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8272. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8273. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8274. return -EINVAL;
  8275. }
  8276. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8277. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8278. PHY84833_CMD_CLEAR_COMPLETE);
  8279. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8280. return 0;
  8281. }
  8282. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8283. u32 shmem_base_path[],
  8284. u32 chip_id)
  8285. {
  8286. u32 reset_pin[2];
  8287. u32 idx;
  8288. u8 reset_gpios;
  8289. if (CHIP_IS_E3(bp)) {
  8290. /* Assume that these will be GPIOs, not EPIOs. */
  8291. for (idx = 0; idx < 2; idx++) {
  8292. /* Map config param to register bit. */
  8293. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8294. offsetof(struct shmem_region,
  8295. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8296. reset_pin[idx] = (reset_pin[idx] &
  8297. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8298. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8299. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8300. reset_pin[idx] = (1 << reset_pin[idx]);
  8301. }
  8302. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8303. } else {
  8304. /* E2, look from diff place of shmem. */
  8305. for (idx = 0; idx < 2; idx++) {
  8306. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8307. offsetof(struct shmem_region,
  8308. dev_info.port_hw_config[0].default_cfg));
  8309. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8310. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8311. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8312. reset_pin[idx] = (1 << reset_pin[idx]);
  8313. }
  8314. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8315. }
  8316. return reset_gpios;
  8317. }
  8318. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8319. struct link_params *params)
  8320. {
  8321. struct bnx2x *bp = params->bp;
  8322. u8 reset_gpios;
  8323. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8324. offsetof(struct shmem2_region,
  8325. other_shmem_base_addr));
  8326. u32 shmem_base_path[2];
  8327. shmem_base_path[0] = params->shmem_base;
  8328. shmem_base_path[1] = other_shmem_base_addr;
  8329. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8330. params->chip_id);
  8331. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8332. udelay(10);
  8333. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8334. reset_gpios);
  8335. return 0;
  8336. }
  8337. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8338. u32 shmem_base_path[],
  8339. u32 chip_id)
  8340. {
  8341. u8 reset_gpios;
  8342. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8343. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8344. udelay(10);
  8345. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8346. msleep(800);
  8347. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8348. reset_gpios);
  8349. return 0;
  8350. }
  8351. #define PHY84833_CONSTANT_LATENCY 1193
  8352. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8353. struct link_params *params,
  8354. struct link_vars *vars)
  8355. {
  8356. struct bnx2x *bp = params->bp;
  8357. u8 port, initialize = 1;
  8358. u16 val;
  8359. u16 temp;
  8360. u32 actual_phy_selection, cms_enable, idx;
  8361. int rc = 0;
  8362. msleep(1);
  8363. if (!(CHIP_IS_E1(bp)))
  8364. port = BP_PATH(bp);
  8365. else
  8366. port = params->port;
  8367. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8368. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8369. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8370. port);
  8371. } else {
  8372. /* MDIO reset */
  8373. bnx2x_cl45_write(bp, phy,
  8374. MDIO_PMA_DEVAD,
  8375. MDIO_PMA_REG_CTRL, 0x8000);
  8376. /* Bring PHY out of super isolate mode */
  8377. bnx2x_cl45_read(bp, phy,
  8378. MDIO_CTL_DEVAD,
  8379. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8380. val &= ~MDIO_84833_SUPER_ISOLATE;
  8381. bnx2x_cl45_write(bp, phy,
  8382. MDIO_CTL_DEVAD,
  8383. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8384. }
  8385. bnx2x_wait_reset_complete(bp, phy, params);
  8386. /* Wait for GPHY to come out of reset */
  8387. msleep(50);
  8388. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8389. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8390. /*
  8391. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8392. */
  8393. temp = vars->line_speed;
  8394. vars->line_speed = SPEED_10000;
  8395. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8396. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8397. vars->line_speed = temp;
  8398. /* Set dual-media configuration according to configuration */
  8399. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8400. MDIO_CTL_REG_84823_MEDIA, &val);
  8401. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8402. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8403. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8404. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8405. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8406. if (CHIP_IS_E3(bp)) {
  8407. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8408. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8409. } else {
  8410. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8411. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8412. }
  8413. actual_phy_selection = bnx2x_phy_selection(params);
  8414. switch (actual_phy_selection) {
  8415. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8416. /* Do nothing. Essentially this is like the priority copper */
  8417. break;
  8418. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8419. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8420. break;
  8421. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8422. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8423. break;
  8424. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8425. /* Do nothing here. The first PHY won't be initialized at all */
  8426. break;
  8427. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8428. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8429. initialize = 0;
  8430. break;
  8431. }
  8432. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8433. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8434. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8435. MDIO_CTL_REG_84823_MEDIA, val);
  8436. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8437. params->multi_phy_config, val);
  8438. /* AutogrEEEn */
  8439. if (params->feature_config_flags &
  8440. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8441. /* Ensure that f/w is ready */
  8442. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8443. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8444. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8445. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8446. break;
  8447. usleep_range(1000, 1000);
  8448. }
  8449. if (idx >= PHY84833_HDSHK_WAIT) {
  8450. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8451. return -EINVAL;
  8452. }
  8453. /* Select EEE mode */
  8454. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8455. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8456. 0x2);
  8457. /* Set Idle and Latency */
  8458. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8459. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8460. PHY84833_CONSTANT_LATENCY + 1);
  8461. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8462. MDIO_84833_TOP_CFG_DATA3_REG,
  8463. PHY84833_CONSTANT_LATENCY + 1);
  8464. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8465. MDIO_84833_TOP_CFG_DATA4_REG,
  8466. PHY84833_CONSTANT_LATENCY);
  8467. /* Send EEE instruction to command register */
  8468. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8469. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8470. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8471. /* Ensure that the command has completed */
  8472. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8473. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8474. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8475. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8476. (val == PHY84833_CMD_COMPLETE_ERROR))
  8477. break;
  8478. usleep_range(1000, 1000);
  8479. }
  8480. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8481. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8482. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8483. return -EINVAL;
  8484. }
  8485. /* Reset command handler */
  8486. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8487. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8488. PHY84833_CMD_CLEAR_COMPLETE);
  8489. }
  8490. if (initialize)
  8491. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8492. else
  8493. bnx2x_save_848xx_spirom_version(phy, params);
  8494. /* 84833 PHY has a better feature and doesn't need to support this. */
  8495. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8496. cms_enable = REG_RD(bp, params->shmem_base +
  8497. offsetof(struct shmem_region,
  8498. dev_info.port_hw_config[params->port].default_cfg)) &
  8499. PORT_HW_CFG_ENABLE_CMS_MASK;
  8500. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8501. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8502. if (cms_enable)
  8503. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8504. else
  8505. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8506. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8507. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8508. }
  8509. return rc;
  8510. }
  8511. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8512. struct link_params *params,
  8513. struct link_vars *vars)
  8514. {
  8515. struct bnx2x *bp = params->bp;
  8516. u16 val, val1, val2;
  8517. u8 link_up = 0;
  8518. /* Check 10G-BaseT link status */
  8519. /* Check PMD signal ok */
  8520. bnx2x_cl45_read(bp, phy,
  8521. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8522. bnx2x_cl45_read(bp, phy,
  8523. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8524. &val2);
  8525. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8526. /* Check link 10G */
  8527. if (val2 & (1<<11)) {
  8528. vars->line_speed = SPEED_10000;
  8529. vars->duplex = DUPLEX_FULL;
  8530. link_up = 1;
  8531. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8532. } else { /* Check Legacy speed link */
  8533. u16 legacy_status, legacy_speed;
  8534. /* Enable expansion register 0x42 (Operation mode status) */
  8535. bnx2x_cl45_write(bp, phy,
  8536. MDIO_AN_DEVAD,
  8537. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8538. /* Get legacy speed operation status */
  8539. bnx2x_cl45_read(bp, phy,
  8540. MDIO_AN_DEVAD,
  8541. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8542. &legacy_status);
  8543. DP(NETIF_MSG_LINK, "Legacy speed status"
  8544. " = 0x%x\n", legacy_status);
  8545. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8546. if (link_up) {
  8547. legacy_speed = (legacy_status & (3<<9));
  8548. if (legacy_speed == (0<<9))
  8549. vars->line_speed = SPEED_10;
  8550. else if (legacy_speed == (1<<9))
  8551. vars->line_speed = SPEED_100;
  8552. else if (legacy_speed == (2<<9))
  8553. vars->line_speed = SPEED_1000;
  8554. else /* Should not happen */
  8555. vars->line_speed = 0;
  8556. if (legacy_status & (1<<8))
  8557. vars->duplex = DUPLEX_FULL;
  8558. else
  8559. vars->duplex = DUPLEX_HALF;
  8560. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8561. " is_duplex_full= %d\n", vars->line_speed,
  8562. (vars->duplex == DUPLEX_FULL));
  8563. /* Check legacy speed AN resolution */
  8564. bnx2x_cl45_read(bp, phy,
  8565. MDIO_AN_DEVAD,
  8566. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8567. &val);
  8568. if (val & (1<<5))
  8569. vars->link_status |=
  8570. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8571. bnx2x_cl45_read(bp, phy,
  8572. MDIO_AN_DEVAD,
  8573. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8574. &val);
  8575. if ((val & (1<<0)) == 0)
  8576. vars->link_status |=
  8577. LINK_STATUS_PARALLEL_DETECTION_USED;
  8578. }
  8579. }
  8580. if (link_up) {
  8581. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8582. vars->line_speed);
  8583. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8584. }
  8585. return link_up;
  8586. }
  8587. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8588. {
  8589. int status = 0;
  8590. u32 spirom_ver;
  8591. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8592. status = bnx2x_format_ver(spirom_ver, str, len);
  8593. return status;
  8594. }
  8595. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8596. struct link_params *params)
  8597. {
  8598. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8599. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8600. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8601. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8602. }
  8603. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8604. struct link_params *params)
  8605. {
  8606. bnx2x_cl45_write(params->bp, phy,
  8607. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8608. bnx2x_cl45_write(params->bp, phy,
  8609. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8610. }
  8611. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8612. struct link_params *params)
  8613. {
  8614. struct bnx2x *bp = params->bp;
  8615. u8 port;
  8616. u16 val16;
  8617. if (!(CHIP_IS_E1(bp)))
  8618. port = BP_PATH(bp);
  8619. else
  8620. port = params->port;
  8621. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8622. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8623. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8624. port);
  8625. } else {
  8626. bnx2x_cl45_read(bp, phy,
  8627. MDIO_CTL_DEVAD,
  8628. 0x400f, &val16);
  8629. bnx2x_cl45_write(bp, phy,
  8630. MDIO_PMA_DEVAD,
  8631. MDIO_PMA_REG_CTRL, 0x800);
  8632. }
  8633. }
  8634. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8635. struct link_params *params, u8 mode)
  8636. {
  8637. struct bnx2x *bp = params->bp;
  8638. u16 val;
  8639. u8 port;
  8640. if (!(CHIP_IS_E1(bp)))
  8641. port = BP_PATH(bp);
  8642. else
  8643. port = params->port;
  8644. switch (mode) {
  8645. case LED_MODE_OFF:
  8646. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8647. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8648. SHARED_HW_CFG_LED_EXTPHY1) {
  8649. /* Set LED masks */
  8650. bnx2x_cl45_write(bp, phy,
  8651. MDIO_PMA_DEVAD,
  8652. MDIO_PMA_REG_8481_LED1_MASK,
  8653. 0x0);
  8654. bnx2x_cl45_write(bp, phy,
  8655. MDIO_PMA_DEVAD,
  8656. MDIO_PMA_REG_8481_LED2_MASK,
  8657. 0x0);
  8658. bnx2x_cl45_write(bp, phy,
  8659. MDIO_PMA_DEVAD,
  8660. MDIO_PMA_REG_8481_LED3_MASK,
  8661. 0x0);
  8662. bnx2x_cl45_write(bp, phy,
  8663. MDIO_PMA_DEVAD,
  8664. MDIO_PMA_REG_8481_LED5_MASK,
  8665. 0x0);
  8666. } else {
  8667. bnx2x_cl45_write(bp, phy,
  8668. MDIO_PMA_DEVAD,
  8669. MDIO_PMA_REG_8481_LED1_MASK,
  8670. 0x0);
  8671. }
  8672. break;
  8673. case LED_MODE_FRONT_PANEL_OFF:
  8674. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8675. port);
  8676. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8677. SHARED_HW_CFG_LED_EXTPHY1) {
  8678. /* Set LED masks */
  8679. bnx2x_cl45_write(bp, phy,
  8680. MDIO_PMA_DEVAD,
  8681. MDIO_PMA_REG_8481_LED1_MASK,
  8682. 0x0);
  8683. bnx2x_cl45_write(bp, phy,
  8684. MDIO_PMA_DEVAD,
  8685. MDIO_PMA_REG_8481_LED2_MASK,
  8686. 0x0);
  8687. bnx2x_cl45_write(bp, phy,
  8688. MDIO_PMA_DEVAD,
  8689. MDIO_PMA_REG_8481_LED3_MASK,
  8690. 0x0);
  8691. bnx2x_cl45_write(bp, phy,
  8692. MDIO_PMA_DEVAD,
  8693. MDIO_PMA_REG_8481_LED5_MASK,
  8694. 0x20);
  8695. } else {
  8696. bnx2x_cl45_write(bp, phy,
  8697. MDIO_PMA_DEVAD,
  8698. MDIO_PMA_REG_8481_LED1_MASK,
  8699. 0x0);
  8700. }
  8701. break;
  8702. case LED_MODE_ON:
  8703. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8704. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8705. SHARED_HW_CFG_LED_EXTPHY1) {
  8706. /* Set control reg */
  8707. bnx2x_cl45_read(bp, phy,
  8708. MDIO_PMA_DEVAD,
  8709. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8710. &val);
  8711. val &= 0x8000;
  8712. val |= 0x2492;
  8713. bnx2x_cl45_write(bp, phy,
  8714. MDIO_PMA_DEVAD,
  8715. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8716. val);
  8717. /* Set LED masks */
  8718. bnx2x_cl45_write(bp, phy,
  8719. MDIO_PMA_DEVAD,
  8720. MDIO_PMA_REG_8481_LED1_MASK,
  8721. 0x0);
  8722. bnx2x_cl45_write(bp, phy,
  8723. MDIO_PMA_DEVAD,
  8724. MDIO_PMA_REG_8481_LED2_MASK,
  8725. 0x20);
  8726. bnx2x_cl45_write(bp, phy,
  8727. MDIO_PMA_DEVAD,
  8728. MDIO_PMA_REG_8481_LED3_MASK,
  8729. 0x20);
  8730. bnx2x_cl45_write(bp, phy,
  8731. MDIO_PMA_DEVAD,
  8732. MDIO_PMA_REG_8481_LED5_MASK,
  8733. 0x0);
  8734. } else {
  8735. bnx2x_cl45_write(bp, phy,
  8736. MDIO_PMA_DEVAD,
  8737. MDIO_PMA_REG_8481_LED1_MASK,
  8738. 0x20);
  8739. }
  8740. break;
  8741. case LED_MODE_OPER:
  8742. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8743. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8744. SHARED_HW_CFG_LED_EXTPHY1) {
  8745. /* Set control reg */
  8746. bnx2x_cl45_read(bp, phy,
  8747. MDIO_PMA_DEVAD,
  8748. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8749. &val);
  8750. if (!((val &
  8751. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8752. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8753. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8754. bnx2x_cl45_write(bp, phy,
  8755. MDIO_PMA_DEVAD,
  8756. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8757. 0xa492);
  8758. }
  8759. /* Set LED masks */
  8760. bnx2x_cl45_write(bp, phy,
  8761. MDIO_PMA_DEVAD,
  8762. MDIO_PMA_REG_8481_LED1_MASK,
  8763. 0x10);
  8764. bnx2x_cl45_write(bp, phy,
  8765. MDIO_PMA_DEVAD,
  8766. MDIO_PMA_REG_8481_LED2_MASK,
  8767. 0x80);
  8768. bnx2x_cl45_write(bp, phy,
  8769. MDIO_PMA_DEVAD,
  8770. MDIO_PMA_REG_8481_LED3_MASK,
  8771. 0x98);
  8772. bnx2x_cl45_write(bp, phy,
  8773. MDIO_PMA_DEVAD,
  8774. MDIO_PMA_REG_8481_LED5_MASK,
  8775. 0x40);
  8776. } else {
  8777. bnx2x_cl45_write(bp, phy,
  8778. MDIO_PMA_DEVAD,
  8779. MDIO_PMA_REG_8481_LED1_MASK,
  8780. 0x80);
  8781. /* Tell LED3 to blink on source */
  8782. bnx2x_cl45_read(bp, phy,
  8783. MDIO_PMA_DEVAD,
  8784. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8785. &val);
  8786. val &= ~(7<<6);
  8787. val |= (1<<6); /* A83B[8:6]= 1 */
  8788. bnx2x_cl45_write(bp, phy,
  8789. MDIO_PMA_DEVAD,
  8790. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8791. val);
  8792. }
  8793. break;
  8794. }
  8795. /*
  8796. * This is a workaround for E3+84833 until autoneg
  8797. * restart is fixed in f/w
  8798. */
  8799. if (CHIP_IS_E3(bp)) {
  8800. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8801. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8802. }
  8803. }
  8804. /******************************************************************/
  8805. /* 54618SE PHY SECTION */
  8806. /******************************************************************/
  8807. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8808. struct link_params *params,
  8809. struct link_vars *vars)
  8810. {
  8811. struct bnx2x *bp = params->bp;
  8812. u8 port;
  8813. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8814. u32 cfg_pin;
  8815. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8816. usleep_range(1000, 1000);
  8817. /* This works with E3 only, no need to check the chip
  8818. before determining the port. */
  8819. port = params->port;
  8820. cfg_pin = (REG_RD(bp, params->shmem_base +
  8821. offsetof(struct shmem_region,
  8822. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8823. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8824. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8825. /* Drive pin high to bring the GPHY out of reset. */
  8826. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8827. /* wait for GPHY to reset */
  8828. msleep(50);
  8829. /* reset phy */
  8830. bnx2x_cl22_write(bp, phy,
  8831. MDIO_PMA_REG_CTRL, 0x8000);
  8832. bnx2x_wait_reset_complete(bp, phy, params);
  8833. /*wait for GPHY to reset */
  8834. msleep(50);
  8835. /* Configure LED4: set to INTR (0x6). */
  8836. /* Accessing shadow register 0xe. */
  8837. bnx2x_cl22_write(bp, phy,
  8838. MDIO_REG_GPHY_SHADOW,
  8839. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8840. bnx2x_cl22_read(bp, phy,
  8841. MDIO_REG_GPHY_SHADOW,
  8842. &temp);
  8843. temp &= ~(0xf << 4);
  8844. temp |= (0x6 << 4);
  8845. bnx2x_cl22_write(bp, phy,
  8846. MDIO_REG_GPHY_SHADOW,
  8847. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8848. /* Configure INTR based on link status change. */
  8849. bnx2x_cl22_write(bp, phy,
  8850. MDIO_REG_INTR_MASK,
  8851. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8852. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8853. bnx2x_cl22_write(bp, phy,
  8854. MDIO_REG_GPHY_SHADOW,
  8855. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8856. bnx2x_cl22_read(bp, phy,
  8857. MDIO_REG_GPHY_SHADOW,
  8858. &temp);
  8859. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8860. bnx2x_cl22_write(bp, phy,
  8861. MDIO_REG_GPHY_SHADOW,
  8862. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8863. /* Set up fc */
  8864. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8865. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8866. fc_val = 0;
  8867. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8868. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8869. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8870. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8871. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8872. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8873. /* read all advertisement */
  8874. bnx2x_cl22_read(bp, phy,
  8875. 0x09,
  8876. &an_1000_val);
  8877. bnx2x_cl22_read(bp, phy,
  8878. 0x04,
  8879. &an_10_100_val);
  8880. bnx2x_cl22_read(bp, phy,
  8881. MDIO_PMA_REG_CTRL,
  8882. &autoneg_val);
  8883. /* Disable forced speed */
  8884. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8885. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8886. (1<<11));
  8887. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8888. (phy->speed_cap_mask &
  8889. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8890. (phy->req_line_speed == SPEED_1000)) {
  8891. an_1000_val |= (1<<8);
  8892. autoneg_val |= (1<<9 | 1<<12);
  8893. if (phy->req_duplex == DUPLEX_FULL)
  8894. an_1000_val |= (1<<9);
  8895. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8896. } else
  8897. an_1000_val &= ~((1<<8) | (1<<9));
  8898. bnx2x_cl22_write(bp, phy,
  8899. 0x09,
  8900. an_1000_val);
  8901. bnx2x_cl22_read(bp, phy,
  8902. 0x09,
  8903. &an_1000_val);
  8904. /* set 100 speed advertisement */
  8905. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8906. (phy->speed_cap_mask &
  8907. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8908. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8909. an_10_100_val |= (1<<7);
  8910. /* Enable autoneg and restart autoneg for legacy speeds */
  8911. autoneg_val |= (1<<9 | 1<<12);
  8912. if (phy->req_duplex == DUPLEX_FULL)
  8913. an_10_100_val |= (1<<8);
  8914. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8915. }
  8916. /* set 10 speed advertisement */
  8917. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8918. (phy->speed_cap_mask &
  8919. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8920. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8921. an_10_100_val |= (1<<5);
  8922. autoneg_val |= (1<<9 | 1<<12);
  8923. if (phy->req_duplex == DUPLEX_FULL)
  8924. an_10_100_val |= (1<<6);
  8925. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8926. }
  8927. /* Only 10/100 are allowed to work in FORCE mode */
  8928. if (phy->req_line_speed == SPEED_100) {
  8929. autoneg_val |= (1<<13);
  8930. /* Enabled AUTO-MDIX when autoneg is disabled */
  8931. bnx2x_cl22_write(bp, phy,
  8932. 0x18,
  8933. (1<<15 | 1<<9 | 7<<0));
  8934. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8935. }
  8936. if (phy->req_line_speed == SPEED_10) {
  8937. /* Enabled AUTO-MDIX when autoneg is disabled */
  8938. bnx2x_cl22_write(bp, phy,
  8939. 0x18,
  8940. (1<<15 | 1<<9 | 7<<0));
  8941. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8942. }
  8943. /* Check if we should turn on Auto-GrEEEn */
  8944. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  8945. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  8946. if (params->feature_config_flags &
  8947. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8948. temp = 6;
  8949. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  8950. } else {
  8951. temp = 0;
  8952. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  8953. }
  8954. bnx2x_cl22_write(bp, phy,
  8955. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  8956. bnx2x_cl22_write(bp, phy,
  8957. MDIO_REG_GPHY_CL45_DATA_REG,
  8958. MDIO_REG_GPHY_EEE_ADV);
  8959. bnx2x_cl22_write(bp, phy,
  8960. MDIO_REG_GPHY_CL45_ADDR_REG,
  8961. (0x1 << 14) | MDIO_AN_DEVAD);
  8962. bnx2x_cl22_write(bp, phy,
  8963. MDIO_REG_GPHY_CL45_DATA_REG,
  8964. temp);
  8965. }
  8966. bnx2x_cl22_write(bp, phy,
  8967. 0x04,
  8968. an_10_100_val | fc_val);
  8969. if (phy->req_duplex == DUPLEX_FULL)
  8970. autoneg_val |= (1<<8);
  8971. bnx2x_cl22_write(bp, phy,
  8972. MDIO_PMA_REG_CTRL, autoneg_val);
  8973. return 0;
  8974. }
  8975. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  8976. struct link_params *params, u8 mode)
  8977. {
  8978. struct bnx2x *bp = params->bp;
  8979. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  8980. switch (mode) {
  8981. case LED_MODE_FRONT_PANEL_OFF:
  8982. case LED_MODE_OFF:
  8983. case LED_MODE_OPER:
  8984. case LED_MODE_ON:
  8985. default:
  8986. break;
  8987. }
  8988. return;
  8989. }
  8990. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  8991. struct link_params *params)
  8992. {
  8993. struct bnx2x *bp = params->bp;
  8994. u32 cfg_pin;
  8995. u8 port;
  8996. /*
  8997. * In case of no EPIO routed to reset the GPHY, put it
  8998. * in low power mode.
  8999. */
  9000. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9001. /*
  9002. * This works with E3 only, no need to check the chip
  9003. * before determining the port.
  9004. */
  9005. port = params->port;
  9006. cfg_pin = (REG_RD(bp, params->shmem_base +
  9007. offsetof(struct shmem_region,
  9008. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9009. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9010. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9011. /* Drive pin low to put GPHY in reset. */
  9012. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9013. }
  9014. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9015. struct link_params *params,
  9016. struct link_vars *vars)
  9017. {
  9018. struct bnx2x *bp = params->bp;
  9019. u16 val;
  9020. u8 link_up = 0;
  9021. u16 legacy_status, legacy_speed;
  9022. /* Get speed operation status */
  9023. bnx2x_cl22_read(bp, phy,
  9024. 0x19,
  9025. &legacy_status);
  9026. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9027. /* Read status to clear the PHY interrupt. */
  9028. bnx2x_cl22_read(bp, phy,
  9029. MDIO_REG_INTR_STATUS,
  9030. &val);
  9031. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9032. if (link_up) {
  9033. legacy_speed = (legacy_status & (7<<8));
  9034. if (legacy_speed == (7<<8)) {
  9035. vars->line_speed = SPEED_1000;
  9036. vars->duplex = DUPLEX_FULL;
  9037. } else if (legacy_speed == (6<<8)) {
  9038. vars->line_speed = SPEED_1000;
  9039. vars->duplex = DUPLEX_HALF;
  9040. } else if (legacy_speed == (5<<8)) {
  9041. vars->line_speed = SPEED_100;
  9042. vars->duplex = DUPLEX_FULL;
  9043. }
  9044. /* Omitting 100Base-T4 for now */
  9045. else if (legacy_speed == (3<<8)) {
  9046. vars->line_speed = SPEED_100;
  9047. vars->duplex = DUPLEX_HALF;
  9048. } else if (legacy_speed == (2<<8)) {
  9049. vars->line_speed = SPEED_10;
  9050. vars->duplex = DUPLEX_FULL;
  9051. } else if (legacy_speed == (1<<8)) {
  9052. vars->line_speed = SPEED_10;
  9053. vars->duplex = DUPLEX_HALF;
  9054. } else /* Should not happen */
  9055. vars->line_speed = 0;
  9056. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  9057. " is_duplex_full= %d\n", vars->line_speed,
  9058. (vars->duplex == DUPLEX_FULL));
  9059. /* Check legacy speed AN resolution */
  9060. bnx2x_cl22_read(bp, phy,
  9061. 0x01,
  9062. &val);
  9063. if (val & (1<<5))
  9064. vars->link_status |=
  9065. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9066. bnx2x_cl22_read(bp, phy,
  9067. 0x06,
  9068. &val);
  9069. if ((val & (1<<0)) == 0)
  9070. vars->link_status |=
  9071. LINK_STATUS_PARALLEL_DETECTION_USED;
  9072. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9073. vars->line_speed);
  9074. /* Report whether EEE is resolved. */
  9075. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9076. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9077. if (vars->link_status &
  9078. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9079. val = 0;
  9080. else {
  9081. bnx2x_cl22_write(bp, phy,
  9082. MDIO_REG_GPHY_CL45_ADDR_REG,
  9083. MDIO_AN_DEVAD);
  9084. bnx2x_cl22_write(bp, phy,
  9085. MDIO_REG_GPHY_CL45_DATA_REG,
  9086. MDIO_REG_GPHY_EEE_RESOLVED);
  9087. bnx2x_cl22_write(bp, phy,
  9088. MDIO_REG_GPHY_CL45_ADDR_REG,
  9089. (0x1 << 14) | MDIO_AN_DEVAD);
  9090. bnx2x_cl22_read(bp, phy,
  9091. MDIO_REG_GPHY_CL45_DATA_REG,
  9092. &val);
  9093. }
  9094. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9095. }
  9096. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9097. }
  9098. return link_up;
  9099. }
  9100. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9101. struct link_params *params)
  9102. {
  9103. struct bnx2x *bp = params->bp;
  9104. u16 val;
  9105. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9106. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9107. /* Enable master/slave manual mmode and set to master */
  9108. /* mii write 9 [bits set 11 12] */
  9109. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9110. /* forced 1G and disable autoneg */
  9111. /* set val [mii read 0] */
  9112. /* set val [expr $val & [bits clear 6 12 13]] */
  9113. /* set val [expr $val | [bits set 6 8]] */
  9114. /* mii write 0 $val */
  9115. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9116. val &= ~((1<<6) | (1<<12) | (1<<13));
  9117. val |= (1<<6) | (1<<8);
  9118. bnx2x_cl22_write(bp, phy, 0x00, val);
  9119. /* Set external loopback and Tx using 6dB coding */
  9120. /* mii write 0x18 7 */
  9121. /* set val [mii read 0x18] */
  9122. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9123. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9124. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9125. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9126. /* This register opens the gate for the UMAC despite its name */
  9127. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9128. /*
  9129. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9130. * length used by the MAC receive logic to check frames.
  9131. */
  9132. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9133. }
  9134. /******************************************************************/
  9135. /* SFX7101 PHY SECTION */
  9136. /******************************************************************/
  9137. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9138. struct link_params *params)
  9139. {
  9140. struct bnx2x *bp = params->bp;
  9141. /* SFX7101_XGXS_TEST1 */
  9142. bnx2x_cl45_write(bp, phy,
  9143. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9144. }
  9145. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9146. struct link_params *params,
  9147. struct link_vars *vars)
  9148. {
  9149. u16 fw_ver1, fw_ver2, val;
  9150. struct bnx2x *bp = params->bp;
  9151. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9152. /* Restore normal power mode*/
  9153. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9154. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9155. /* HW reset */
  9156. bnx2x_ext_phy_hw_reset(bp, params->port);
  9157. bnx2x_wait_reset_complete(bp, phy, params);
  9158. bnx2x_cl45_write(bp, phy,
  9159. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9160. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9161. bnx2x_cl45_write(bp, phy,
  9162. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9163. bnx2x_ext_phy_set_pause(params, phy, vars);
  9164. /* Restart autoneg */
  9165. bnx2x_cl45_read(bp, phy,
  9166. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9167. val |= 0x200;
  9168. bnx2x_cl45_write(bp, phy,
  9169. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9170. /* Save spirom version */
  9171. bnx2x_cl45_read(bp, phy,
  9172. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9173. bnx2x_cl45_read(bp, phy,
  9174. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9175. bnx2x_save_spirom_version(bp, params->port,
  9176. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9177. return 0;
  9178. }
  9179. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9180. struct link_params *params,
  9181. struct link_vars *vars)
  9182. {
  9183. struct bnx2x *bp = params->bp;
  9184. u8 link_up;
  9185. u16 val1, val2;
  9186. bnx2x_cl45_read(bp, phy,
  9187. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9188. bnx2x_cl45_read(bp, phy,
  9189. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9190. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9191. val2, val1);
  9192. bnx2x_cl45_read(bp, phy,
  9193. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9194. bnx2x_cl45_read(bp, phy,
  9195. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9196. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9197. val2, val1);
  9198. link_up = ((val1 & 4) == 4);
  9199. /* if link is up print the AN outcome of the SFX7101 PHY */
  9200. if (link_up) {
  9201. bnx2x_cl45_read(bp, phy,
  9202. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9203. &val2);
  9204. vars->line_speed = SPEED_10000;
  9205. vars->duplex = DUPLEX_FULL;
  9206. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9207. val2, (val2 & (1<<14)));
  9208. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9209. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9210. }
  9211. return link_up;
  9212. }
  9213. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9214. {
  9215. if (*len < 5)
  9216. return -EINVAL;
  9217. str[0] = (spirom_ver & 0xFF);
  9218. str[1] = (spirom_ver & 0xFF00) >> 8;
  9219. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9220. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9221. str[4] = '\0';
  9222. *len -= 5;
  9223. return 0;
  9224. }
  9225. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9226. {
  9227. u16 val, cnt;
  9228. bnx2x_cl45_read(bp, phy,
  9229. MDIO_PMA_DEVAD,
  9230. MDIO_PMA_REG_7101_RESET, &val);
  9231. for (cnt = 0; cnt < 10; cnt++) {
  9232. msleep(50);
  9233. /* Writes a self-clearing reset */
  9234. bnx2x_cl45_write(bp, phy,
  9235. MDIO_PMA_DEVAD,
  9236. MDIO_PMA_REG_7101_RESET,
  9237. (val | (1<<15)));
  9238. /* Wait for clear */
  9239. bnx2x_cl45_read(bp, phy,
  9240. MDIO_PMA_DEVAD,
  9241. MDIO_PMA_REG_7101_RESET, &val);
  9242. if ((val & (1<<15)) == 0)
  9243. break;
  9244. }
  9245. }
  9246. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9247. struct link_params *params) {
  9248. /* Low power mode is controlled by GPIO 2 */
  9249. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9250. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9251. /* The PHY reset is controlled by GPIO 1 */
  9252. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9253. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9254. }
  9255. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9256. struct link_params *params, u8 mode)
  9257. {
  9258. u16 val = 0;
  9259. struct bnx2x *bp = params->bp;
  9260. switch (mode) {
  9261. case LED_MODE_FRONT_PANEL_OFF:
  9262. case LED_MODE_OFF:
  9263. val = 2;
  9264. break;
  9265. case LED_MODE_ON:
  9266. val = 1;
  9267. break;
  9268. case LED_MODE_OPER:
  9269. val = 0;
  9270. break;
  9271. }
  9272. bnx2x_cl45_write(bp, phy,
  9273. MDIO_PMA_DEVAD,
  9274. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9275. val);
  9276. }
  9277. /******************************************************************/
  9278. /* STATIC PHY DECLARATION */
  9279. /******************************************************************/
  9280. static struct bnx2x_phy phy_null = {
  9281. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9282. .addr = 0,
  9283. .def_md_devad = 0,
  9284. .flags = FLAGS_INIT_XGXS_FIRST,
  9285. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9286. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9287. .mdio_ctrl = 0,
  9288. .supported = 0,
  9289. .media_type = ETH_PHY_NOT_PRESENT,
  9290. .ver_addr = 0,
  9291. .req_flow_ctrl = 0,
  9292. .req_line_speed = 0,
  9293. .speed_cap_mask = 0,
  9294. .req_duplex = 0,
  9295. .rsrv = 0,
  9296. .config_init = (config_init_t)NULL,
  9297. .read_status = (read_status_t)NULL,
  9298. .link_reset = (link_reset_t)NULL,
  9299. .config_loopback = (config_loopback_t)NULL,
  9300. .format_fw_ver = (format_fw_ver_t)NULL,
  9301. .hw_reset = (hw_reset_t)NULL,
  9302. .set_link_led = (set_link_led_t)NULL,
  9303. .phy_specific_func = (phy_specific_func_t)NULL
  9304. };
  9305. static struct bnx2x_phy phy_serdes = {
  9306. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9307. .addr = 0xff,
  9308. .def_md_devad = 0,
  9309. .flags = 0,
  9310. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9311. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9312. .mdio_ctrl = 0,
  9313. .supported = (SUPPORTED_10baseT_Half |
  9314. SUPPORTED_10baseT_Full |
  9315. SUPPORTED_100baseT_Half |
  9316. SUPPORTED_100baseT_Full |
  9317. SUPPORTED_1000baseT_Full |
  9318. SUPPORTED_2500baseX_Full |
  9319. SUPPORTED_TP |
  9320. SUPPORTED_Autoneg |
  9321. SUPPORTED_Pause |
  9322. SUPPORTED_Asym_Pause),
  9323. .media_type = ETH_PHY_BASE_T,
  9324. .ver_addr = 0,
  9325. .req_flow_ctrl = 0,
  9326. .req_line_speed = 0,
  9327. .speed_cap_mask = 0,
  9328. .req_duplex = 0,
  9329. .rsrv = 0,
  9330. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9331. .read_status = (read_status_t)bnx2x_link_settings_status,
  9332. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9333. .config_loopback = (config_loopback_t)NULL,
  9334. .format_fw_ver = (format_fw_ver_t)NULL,
  9335. .hw_reset = (hw_reset_t)NULL,
  9336. .set_link_led = (set_link_led_t)NULL,
  9337. .phy_specific_func = (phy_specific_func_t)NULL
  9338. };
  9339. static struct bnx2x_phy phy_xgxs = {
  9340. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9341. .addr = 0xff,
  9342. .def_md_devad = 0,
  9343. .flags = 0,
  9344. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9345. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9346. .mdio_ctrl = 0,
  9347. .supported = (SUPPORTED_10baseT_Half |
  9348. SUPPORTED_10baseT_Full |
  9349. SUPPORTED_100baseT_Half |
  9350. SUPPORTED_100baseT_Full |
  9351. SUPPORTED_1000baseT_Full |
  9352. SUPPORTED_2500baseX_Full |
  9353. SUPPORTED_10000baseT_Full |
  9354. SUPPORTED_FIBRE |
  9355. SUPPORTED_Autoneg |
  9356. SUPPORTED_Pause |
  9357. SUPPORTED_Asym_Pause),
  9358. .media_type = ETH_PHY_CX4,
  9359. .ver_addr = 0,
  9360. .req_flow_ctrl = 0,
  9361. .req_line_speed = 0,
  9362. .speed_cap_mask = 0,
  9363. .req_duplex = 0,
  9364. .rsrv = 0,
  9365. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9366. .read_status = (read_status_t)bnx2x_link_settings_status,
  9367. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9368. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9369. .format_fw_ver = (format_fw_ver_t)NULL,
  9370. .hw_reset = (hw_reset_t)NULL,
  9371. .set_link_led = (set_link_led_t)NULL,
  9372. .phy_specific_func = (phy_specific_func_t)NULL
  9373. };
  9374. static struct bnx2x_phy phy_warpcore = {
  9375. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9376. .addr = 0xff,
  9377. .def_md_devad = 0,
  9378. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9379. FLAGS_TX_ERROR_CHECK),
  9380. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9381. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9382. .mdio_ctrl = 0,
  9383. .supported = (SUPPORTED_10baseT_Half |
  9384. SUPPORTED_10baseT_Full |
  9385. SUPPORTED_100baseT_Half |
  9386. SUPPORTED_100baseT_Full |
  9387. SUPPORTED_1000baseT_Full |
  9388. SUPPORTED_10000baseT_Full |
  9389. SUPPORTED_20000baseKR2_Full |
  9390. SUPPORTED_20000baseMLD2_Full |
  9391. SUPPORTED_FIBRE |
  9392. SUPPORTED_Autoneg |
  9393. SUPPORTED_Pause |
  9394. SUPPORTED_Asym_Pause),
  9395. .media_type = ETH_PHY_UNSPECIFIED,
  9396. .ver_addr = 0,
  9397. .req_flow_ctrl = 0,
  9398. .req_line_speed = 0,
  9399. .speed_cap_mask = 0,
  9400. /* req_duplex = */0,
  9401. /* rsrv = */0,
  9402. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9403. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9404. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9405. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9406. .format_fw_ver = (format_fw_ver_t)NULL,
  9407. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9408. .set_link_led = (set_link_led_t)NULL,
  9409. .phy_specific_func = (phy_specific_func_t)NULL
  9410. };
  9411. static struct bnx2x_phy phy_7101 = {
  9412. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9413. .addr = 0xff,
  9414. .def_md_devad = 0,
  9415. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9416. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9417. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9418. .mdio_ctrl = 0,
  9419. .supported = (SUPPORTED_10000baseT_Full |
  9420. SUPPORTED_TP |
  9421. SUPPORTED_Autoneg |
  9422. SUPPORTED_Pause |
  9423. SUPPORTED_Asym_Pause),
  9424. .media_type = ETH_PHY_BASE_T,
  9425. .ver_addr = 0,
  9426. .req_flow_ctrl = 0,
  9427. .req_line_speed = 0,
  9428. .speed_cap_mask = 0,
  9429. .req_duplex = 0,
  9430. .rsrv = 0,
  9431. .config_init = (config_init_t)bnx2x_7101_config_init,
  9432. .read_status = (read_status_t)bnx2x_7101_read_status,
  9433. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9434. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9435. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9436. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9437. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9438. .phy_specific_func = (phy_specific_func_t)NULL
  9439. };
  9440. static struct bnx2x_phy phy_8073 = {
  9441. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9442. .addr = 0xff,
  9443. .def_md_devad = 0,
  9444. .flags = FLAGS_HW_LOCK_REQUIRED,
  9445. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9446. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9447. .mdio_ctrl = 0,
  9448. .supported = (SUPPORTED_10000baseT_Full |
  9449. SUPPORTED_2500baseX_Full |
  9450. SUPPORTED_1000baseT_Full |
  9451. SUPPORTED_FIBRE |
  9452. SUPPORTED_Autoneg |
  9453. SUPPORTED_Pause |
  9454. SUPPORTED_Asym_Pause),
  9455. .media_type = ETH_PHY_KR,
  9456. .ver_addr = 0,
  9457. .req_flow_ctrl = 0,
  9458. .req_line_speed = 0,
  9459. .speed_cap_mask = 0,
  9460. .req_duplex = 0,
  9461. .rsrv = 0,
  9462. .config_init = (config_init_t)bnx2x_8073_config_init,
  9463. .read_status = (read_status_t)bnx2x_8073_read_status,
  9464. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9465. .config_loopback = (config_loopback_t)NULL,
  9466. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9467. .hw_reset = (hw_reset_t)NULL,
  9468. .set_link_led = (set_link_led_t)NULL,
  9469. .phy_specific_func = (phy_specific_func_t)NULL
  9470. };
  9471. static struct bnx2x_phy phy_8705 = {
  9472. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9473. .addr = 0xff,
  9474. .def_md_devad = 0,
  9475. .flags = FLAGS_INIT_XGXS_FIRST,
  9476. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9477. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9478. .mdio_ctrl = 0,
  9479. .supported = (SUPPORTED_10000baseT_Full |
  9480. SUPPORTED_FIBRE |
  9481. SUPPORTED_Pause |
  9482. SUPPORTED_Asym_Pause),
  9483. .media_type = ETH_PHY_XFP_FIBER,
  9484. .ver_addr = 0,
  9485. .req_flow_ctrl = 0,
  9486. .req_line_speed = 0,
  9487. .speed_cap_mask = 0,
  9488. .req_duplex = 0,
  9489. .rsrv = 0,
  9490. .config_init = (config_init_t)bnx2x_8705_config_init,
  9491. .read_status = (read_status_t)bnx2x_8705_read_status,
  9492. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9493. .config_loopback = (config_loopback_t)NULL,
  9494. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9495. .hw_reset = (hw_reset_t)NULL,
  9496. .set_link_led = (set_link_led_t)NULL,
  9497. .phy_specific_func = (phy_specific_func_t)NULL
  9498. };
  9499. static struct bnx2x_phy phy_8706 = {
  9500. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9501. .addr = 0xff,
  9502. .def_md_devad = 0,
  9503. .flags = (FLAGS_INIT_XGXS_FIRST |
  9504. FLAGS_TX_ERROR_CHECK),
  9505. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9506. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9507. .mdio_ctrl = 0,
  9508. .supported = (SUPPORTED_10000baseT_Full |
  9509. SUPPORTED_1000baseT_Full |
  9510. SUPPORTED_FIBRE |
  9511. SUPPORTED_Pause |
  9512. SUPPORTED_Asym_Pause),
  9513. .media_type = ETH_PHY_SFP_FIBER,
  9514. .ver_addr = 0,
  9515. .req_flow_ctrl = 0,
  9516. .req_line_speed = 0,
  9517. .speed_cap_mask = 0,
  9518. .req_duplex = 0,
  9519. .rsrv = 0,
  9520. .config_init = (config_init_t)bnx2x_8706_config_init,
  9521. .read_status = (read_status_t)bnx2x_8706_read_status,
  9522. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9523. .config_loopback = (config_loopback_t)NULL,
  9524. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9525. .hw_reset = (hw_reset_t)NULL,
  9526. .set_link_led = (set_link_led_t)NULL,
  9527. .phy_specific_func = (phy_specific_func_t)NULL
  9528. };
  9529. static struct bnx2x_phy phy_8726 = {
  9530. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9531. .addr = 0xff,
  9532. .def_md_devad = 0,
  9533. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9534. FLAGS_INIT_XGXS_FIRST |
  9535. FLAGS_TX_ERROR_CHECK),
  9536. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9537. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9538. .mdio_ctrl = 0,
  9539. .supported = (SUPPORTED_10000baseT_Full |
  9540. SUPPORTED_1000baseT_Full |
  9541. SUPPORTED_Autoneg |
  9542. SUPPORTED_FIBRE |
  9543. SUPPORTED_Pause |
  9544. SUPPORTED_Asym_Pause),
  9545. .media_type = ETH_PHY_NOT_PRESENT,
  9546. .ver_addr = 0,
  9547. .req_flow_ctrl = 0,
  9548. .req_line_speed = 0,
  9549. .speed_cap_mask = 0,
  9550. .req_duplex = 0,
  9551. .rsrv = 0,
  9552. .config_init = (config_init_t)bnx2x_8726_config_init,
  9553. .read_status = (read_status_t)bnx2x_8726_read_status,
  9554. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9555. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9556. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9557. .hw_reset = (hw_reset_t)NULL,
  9558. .set_link_led = (set_link_led_t)NULL,
  9559. .phy_specific_func = (phy_specific_func_t)NULL
  9560. };
  9561. static struct bnx2x_phy phy_8727 = {
  9562. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9563. .addr = 0xff,
  9564. .def_md_devad = 0,
  9565. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9566. FLAGS_TX_ERROR_CHECK),
  9567. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9568. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9569. .mdio_ctrl = 0,
  9570. .supported = (SUPPORTED_10000baseT_Full |
  9571. SUPPORTED_1000baseT_Full |
  9572. SUPPORTED_FIBRE |
  9573. SUPPORTED_Pause |
  9574. SUPPORTED_Asym_Pause),
  9575. .media_type = ETH_PHY_NOT_PRESENT,
  9576. .ver_addr = 0,
  9577. .req_flow_ctrl = 0,
  9578. .req_line_speed = 0,
  9579. .speed_cap_mask = 0,
  9580. .req_duplex = 0,
  9581. .rsrv = 0,
  9582. .config_init = (config_init_t)bnx2x_8727_config_init,
  9583. .read_status = (read_status_t)bnx2x_8727_read_status,
  9584. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9585. .config_loopback = (config_loopback_t)NULL,
  9586. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9587. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9588. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9589. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9590. };
  9591. static struct bnx2x_phy phy_8481 = {
  9592. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9593. .addr = 0xff,
  9594. .def_md_devad = 0,
  9595. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9596. FLAGS_REARM_LATCH_SIGNAL,
  9597. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9598. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9599. .mdio_ctrl = 0,
  9600. .supported = (SUPPORTED_10baseT_Half |
  9601. SUPPORTED_10baseT_Full |
  9602. SUPPORTED_100baseT_Half |
  9603. SUPPORTED_100baseT_Full |
  9604. SUPPORTED_1000baseT_Full |
  9605. SUPPORTED_10000baseT_Full |
  9606. SUPPORTED_TP |
  9607. SUPPORTED_Autoneg |
  9608. SUPPORTED_Pause |
  9609. SUPPORTED_Asym_Pause),
  9610. .media_type = ETH_PHY_BASE_T,
  9611. .ver_addr = 0,
  9612. .req_flow_ctrl = 0,
  9613. .req_line_speed = 0,
  9614. .speed_cap_mask = 0,
  9615. .req_duplex = 0,
  9616. .rsrv = 0,
  9617. .config_init = (config_init_t)bnx2x_8481_config_init,
  9618. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9619. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9620. .config_loopback = (config_loopback_t)NULL,
  9621. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9622. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9623. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9624. .phy_specific_func = (phy_specific_func_t)NULL
  9625. };
  9626. static struct bnx2x_phy phy_84823 = {
  9627. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9628. .addr = 0xff,
  9629. .def_md_devad = 0,
  9630. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9631. FLAGS_REARM_LATCH_SIGNAL,
  9632. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9633. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9634. .mdio_ctrl = 0,
  9635. .supported = (SUPPORTED_10baseT_Half |
  9636. SUPPORTED_10baseT_Full |
  9637. SUPPORTED_100baseT_Half |
  9638. SUPPORTED_100baseT_Full |
  9639. SUPPORTED_1000baseT_Full |
  9640. SUPPORTED_10000baseT_Full |
  9641. SUPPORTED_TP |
  9642. SUPPORTED_Autoneg |
  9643. SUPPORTED_Pause |
  9644. SUPPORTED_Asym_Pause),
  9645. .media_type = ETH_PHY_BASE_T,
  9646. .ver_addr = 0,
  9647. .req_flow_ctrl = 0,
  9648. .req_line_speed = 0,
  9649. .speed_cap_mask = 0,
  9650. .req_duplex = 0,
  9651. .rsrv = 0,
  9652. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9653. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9654. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9655. .config_loopback = (config_loopback_t)NULL,
  9656. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9657. .hw_reset = (hw_reset_t)NULL,
  9658. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9659. .phy_specific_func = (phy_specific_func_t)NULL
  9660. };
  9661. static struct bnx2x_phy phy_84833 = {
  9662. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9663. .addr = 0xff,
  9664. .def_md_devad = 0,
  9665. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9666. FLAGS_REARM_LATCH_SIGNAL,
  9667. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9668. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9669. .mdio_ctrl = 0,
  9670. .supported = (SUPPORTED_100baseT_Half |
  9671. SUPPORTED_100baseT_Full |
  9672. SUPPORTED_1000baseT_Full |
  9673. SUPPORTED_10000baseT_Full |
  9674. SUPPORTED_TP |
  9675. SUPPORTED_Autoneg |
  9676. SUPPORTED_Pause |
  9677. SUPPORTED_Asym_Pause),
  9678. .media_type = ETH_PHY_BASE_T,
  9679. .ver_addr = 0,
  9680. .req_flow_ctrl = 0,
  9681. .req_line_speed = 0,
  9682. .speed_cap_mask = 0,
  9683. .req_duplex = 0,
  9684. .rsrv = 0,
  9685. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9686. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9687. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9688. .config_loopback = (config_loopback_t)NULL,
  9689. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9690. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9691. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9692. .phy_specific_func = (phy_specific_func_t)NULL
  9693. };
  9694. static struct bnx2x_phy phy_54618se = {
  9695. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9696. .addr = 0xff,
  9697. .def_md_devad = 0,
  9698. .flags = FLAGS_INIT_XGXS_FIRST,
  9699. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9700. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9701. .mdio_ctrl = 0,
  9702. .supported = (SUPPORTED_10baseT_Half |
  9703. SUPPORTED_10baseT_Full |
  9704. SUPPORTED_100baseT_Half |
  9705. SUPPORTED_100baseT_Full |
  9706. SUPPORTED_1000baseT_Full |
  9707. SUPPORTED_TP |
  9708. SUPPORTED_Autoneg |
  9709. SUPPORTED_Pause |
  9710. SUPPORTED_Asym_Pause),
  9711. .media_type = ETH_PHY_BASE_T,
  9712. .ver_addr = 0,
  9713. .req_flow_ctrl = 0,
  9714. .req_line_speed = 0,
  9715. .speed_cap_mask = 0,
  9716. /* req_duplex = */0,
  9717. /* rsrv = */0,
  9718. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9719. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9720. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9721. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9722. .format_fw_ver = (format_fw_ver_t)NULL,
  9723. .hw_reset = (hw_reset_t)NULL,
  9724. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9725. .phy_specific_func = (phy_specific_func_t)NULL
  9726. };
  9727. /*****************************************************************/
  9728. /* */
  9729. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9730. /* */
  9731. /*****************************************************************/
  9732. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9733. struct bnx2x_phy *phy, u8 port,
  9734. u8 phy_index)
  9735. {
  9736. /* Get the 4 lanes xgxs config rx and tx */
  9737. u32 rx = 0, tx = 0, i;
  9738. for (i = 0; i < 2; i++) {
  9739. /*
  9740. * INT_PHY and EXT_PHY1 share the same value location in the
  9741. * shmem. When num_phys is greater than 1, than this value
  9742. * applies only to EXT_PHY1
  9743. */
  9744. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9745. rx = REG_RD(bp, shmem_base +
  9746. offsetof(struct shmem_region,
  9747. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9748. tx = REG_RD(bp, shmem_base +
  9749. offsetof(struct shmem_region,
  9750. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9751. } else {
  9752. rx = REG_RD(bp, shmem_base +
  9753. offsetof(struct shmem_region,
  9754. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9755. tx = REG_RD(bp, shmem_base +
  9756. offsetof(struct shmem_region,
  9757. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9758. }
  9759. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9760. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9761. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9762. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9763. }
  9764. }
  9765. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9766. u8 phy_index, u8 port)
  9767. {
  9768. u32 ext_phy_config = 0;
  9769. switch (phy_index) {
  9770. case EXT_PHY1:
  9771. ext_phy_config = REG_RD(bp, shmem_base +
  9772. offsetof(struct shmem_region,
  9773. dev_info.port_hw_config[port].external_phy_config));
  9774. break;
  9775. case EXT_PHY2:
  9776. ext_phy_config = REG_RD(bp, shmem_base +
  9777. offsetof(struct shmem_region,
  9778. dev_info.port_hw_config[port].external_phy_config2));
  9779. break;
  9780. default:
  9781. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9782. return -EINVAL;
  9783. }
  9784. return ext_phy_config;
  9785. }
  9786. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9787. struct bnx2x_phy *phy)
  9788. {
  9789. u32 phy_addr;
  9790. u32 chip_id;
  9791. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9792. offsetof(struct shmem_region,
  9793. dev_info.port_feature_config[port].link_config)) &
  9794. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9795. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9796. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9797. if (USES_WARPCORE(bp)) {
  9798. u32 serdes_net_if;
  9799. phy_addr = REG_RD(bp,
  9800. MISC_REG_WC0_CTRL_PHY_ADDR);
  9801. *phy = phy_warpcore;
  9802. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9803. phy->flags |= FLAGS_4_PORT_MODE;
  9804. else
  9805. phy->flags &= ~FLAGS_4_PORT_MODE;
  9806. /* Check Dual mode */
  9807. serdes_net_if = (REG_RD(bp, shmem_base +
  9808. offsetof(struct shmem_region, dev_info.
  9809. port_hw_config[port].default_cfg)) &
  9810. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9811. /*
  9812. * Set the appropriate supported and flags indications per
  9813. * interface type of the chip
  9814. */
  9815. switch (serdes_net_if) {
  9816. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9817. phy->supported &= (SUPPORTED_10baseT_Half |
  9818. SUPPORTED_10baseT_Full |
  9819. SUPPORTED_100baseT_Half |
  9820. SUPPORTED_100baseT_Full |
  9821. SUPPORTED_1000baseT_Full |
  9822. SUPPORTED_FIBRE |
  9823. SUPPORTED_Autoneg |
  9824. SUPPORTED_Pause |
  9825. SUPPORTED_Asym_Pause);
  9826. phy->media_type = ETH_PHY_BASE_T;
  9827. break;
  9828. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9829. phy->media_type = ETH_PHY_XFP_FIBER;
  9830. break;
  9831. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9832. phy->supported &= (SUPPORTED_1000baseT_Full |
  9833. SUPPORTED_10000baseT_Full |
  9834. SUPPORTED_FIBRE |
  9835. SUPPORTED_Pause |
  9836. SUPPORTED_Asym_Pause);
  9837. phy->media_type = ETH_PHY_SFP_FIBER;
  9838. break;
  9839. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9840. phy->media_type = ETH_PHY_KR;
  9841. phy->supported &= (SUPPORTED_1000baseT_Full |
  9842. SUPPORTED_10000baseT_Full |
  9843. SUPPORTED_FIBRE |
  9844. SUPPORTED_Autoneg |
  9845. SUPPORTED_Pause |
  9846. SUPPORTED_Asym_Pause);
  9847. break;
  9848. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9849. phy->media_type = ETH_PHY_KR;
  9850. phy->flags |= FLAGS_WC_DUAL_MODE;
  9851. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9852. SUPPORTED_FIBRE |
  9853. SUPPORTED_Pause |
  9854. SUPPORTED_Asym_Pause);
  9855. break;
  9856. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9857. phy->media_type = ETH_PHY_KR;
  9858. phy->flags |= FLAGS_WC_DUAL_MODE;
  9859. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9860. SUPPORTED_FIBRE |
  9861. SUPPORTED_Pause |
  9862. SUPPORTED_Asym_Pause);
  9863. break;
  9864. default:
  9865. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9866. serdes_net_if);
  9867. break;
  9868. }
  9869. /*
  9870. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9871. * was not set as expected. For B0, ECO will be enabled so there
  9872. * won't be an issue there
  9873. */
  9874. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9875. phy->flags |= FLAGS_MDC_MDIO_WA;
  9876. else
  9877. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9878. } else {
  9879. switch (switch_cfg) {
  9880. case SWITCH_CFG_1G:
  9881. phy_addr = REG_RD(bp,
  9882. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9883. port * 0x10);
  9884. *phy = phy_serdes;
  9885. break;
  9886. case SWITCH_CFG_10G:
  9887. phy_addr = REG_RD(bp,
  9888. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9889. port * 0x18);
  9890. *phy = phy_xgxs;
  9891. break;
  9892. default:
  9893. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9894. return -EINVAL;
  9895. }
  9896. }
  9897. phy->addr = (u8)phy_addr;
  9898. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9899. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9900. port);
  9901. if (CHIP_IS_E2(bp))
  9902. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9903. else
  9904. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9905. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9906. port, phy->addr, phy->mdio_ctrl);
  9907. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9908. return 0;
  9909. }
  9910. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9911. u8 phy_index,
  9912. u32 shmem_base,
  9913. u32 shmem2_base,
  9914. u8 port,
  9915. struct bnx2x_phy *phy)
  9916. {
  9917. u32 ext_phy_config, phy_type, config2;
  9918. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9919. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9920. phy_index, port);
  9921. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9922. /* Select the phy type */
  9923. switch (phy_type) {
  9924. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9925. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9926. *phy = phy_8073;
  9927. break;
  9928. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9929. *phy = phy_8705;
  9930. break;
  9931. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9932. *phy = phy_8706;
  9933. break;
  9934. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9935. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9936. *phy = phy_8726;
  9937. break;
  9938. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9939. /* BCM8727_NOC => BCM8727 no over current */
  9940. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9941. *phy = phy_8727;
  9942. phy->flags |= FLAGS_NOC;
  9943. break;
  9944. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9945. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9946. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9947. *phy = phy_8727;
  9948. break;
  9949. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9950. *phy = phy_8481;
  9951. break;
  9952. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9953. *phy = phy_84823;
  9954. break;
  9955. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9956. *phy = phy_84833;
  9957. break;
  9958. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  9959. *phy = phy_54618se;
  9960. break;
  9961. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9962. *phy = phy_7101;
  9963. break;
  9964. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9965. *phy = phy_null;
  9966. return -EINVAL;
  9967. default:
  9968. *phy = phy_null;
  9969. return 0;
  9970. }
  9971. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9972. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9973. /*
  9974. * The shmem address of the phy version is located on different
  9975. * structures. In case this structure is too old, do not set
  9976. * the address
  9977. */
  9978. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9979. dev_info.shared_hw_config.config2));
  9980. if (phy_index == EXT_PHY1) {
  9981. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9982. port_mb[port].ext_phy_fw_version);
  9983. /* Check specific mdc mdio settings */
  9984. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9985. mdc_mdio_access = config2 &
  9986. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9987. } else {
  9988. u32 size = REG_RD(bp, shmem2_base);
  9989. if (size >
  9990. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9991. phy->ver_addr = shmem2_base +
  9992. offsetof(struct shmem2_region,
  9993. ext_phy_fw_version2[port]);
  9994. }
  9995. /* Check specific mdc mdio settings */
  9996. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  9997. mdc_mdio_access = (config2 &
  9998. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  9999. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10000. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10001. }
  10002. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10003. /*
  10004. * In case mdc/mdio_access of the external phy is different than the
  10005. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10006. * to prevent one port interfere with another port's CL45 operations.
  10007. */
  10008. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10009. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10010. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10011. phy_type, port, phy_index);
  10012. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10013. phy->addr, phy->mdio_ctrl);
  10014. return 0;
  10015. }
  10016. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10017. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10018. {
  10019. int status = 0;
  10020. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10021. if (phy_index == INT_PHY)
  10022. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10023. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10024. port, phy);
  10025. return status;
  10026. }
  10027. static void bnx2x_phy_def_cfg(struct link_params *params,
  10028. struct bnx2x_phy *phy,
  10029. u8 phy_index)
  10030. {
  10031. struct bnx2x *bp = params->bp;
  10032. u32 link_config;
  10033. /* Populate the default phy configuration for MF mode */
  10034. if (phy_index == EXT_PHY2) {
  10035. link_config = REG_RD(bp, params->shmem_base +
  10036. offsetof(struct shmem_region, dev_info.
  10037. port_feature_config[params->port].link_config2));
  10038. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10039. offsetof(struct shmem_region,
  10040. dev_info.
  10041. port_hw_config[params->port].speed_capability_mask2));
  10042. } else {
  10043. link_config = REG_RD(bp, params->shmem_base +
  10044. offsetof(struct shmem_region, dev_info.
  10045. port_feature_config[params->port].link_config));
  10046. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10047. offsetof(struct shmem_region,
  10048. dev_info.
  10049. port_hw_config[params->port].speed_capability_mask));
  10050. }
  10051. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  10052. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  10053. phy->req_duplex = DUPLEX_FULL;
  10054. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10055. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10056. phy->req_duplex = DUPLEX_HALF;
  10057. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10058. phy->req_line_speed = SPEED_10;
  10059. break;
  10060. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10061. phy->req_duplex = DUPLEX_HALF;
  10062. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10063. phy->req_line_speed = SPEED_100;
  10064. break;
  10065. case PORT_FEATURE_LINK_SPEED_1G:
  10066. phy->req_line_speed = SPEED_1000;
  10067. break;
  10068. case PORT_FEATURE_LINK_SPEED_2_5G:
  10069. phy->req_line_speed = SPEED_2500;
  10070. break;
  10071. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10072. phy->req_line_speed = SPEED_10000;
  10073. break;
  10074. default:
  10075. phy->req_line_speed = SPEED_AUTO_NEG;
  10076. break;
  10077. }
  10078. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10079. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10080. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10081. break;
  10082. case PORT_FEATURE_FLOW_CONTROL_TX:
  10083. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10084. break;
  10085. case PORT_FEATURE_FLOW_CONTROL_RX:
  10086. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10087. break;
  10088. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10089. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10090. break;
  10091. default:
  10092. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10093. break;
  10094. }
  10095. }
  10096. u32 bnx2x_phy_selection(struct link_params *params)
  10097. {
  10098. u32 phy_config_swapped, prio_cfg;
  10099. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10100. phy_config_swapped = params->multi_phy_config &
  10101. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10102. prio_cfg = params->multi_phy_config &
  10103. PORT_HW_CFG_PHY_SELECTION_MASK;
  10104. if (phy_config_swapped) {
  10105. switch (prio_cfg) {
  10106. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10107. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10108. break;
  10109. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10110. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10111. break;
  10112. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10113. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10114. break;
  10115. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10116. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10117. break;
  10118. }
  10119. } else
  10120. return_cfg = prio_cfg;
  10121. return return_cfg;
  10122. }
  10123. int bnx2x_phy_probe(struct link_params *params)
  10124. {
  10125. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10126. u32 phy_config_swapped, sync_offset, media_types;
  10127. struct bnx2x *bp = params->bp;
  10128. struct bnx2x_phy *phy;
  10129. params->num_phys = 0;
  10130. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10131. phy_config_swapped = params->multi_phy_config &
  10132. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10133. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10134. phy_index++) {
  10135. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10136. actual_phy_idx = phy_index;
  10137. if (phy_config_swapped) {
  10138. if (phy_index == EXT_PHY1)
  10139. actual_phy_idx = EXT_PHY2;
  10140. else if (phy_index == EXT_PHY2)
  10141. actual_phy_idx = EXT_PHY1;
  10142. }
  10143. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10144. " actual_phy_idx %x\n", phy_config_swapped,
  10145. phy_index, actual_phy_idx);
  10146. phy = &params->phy[actual_phy_idx];
  10147. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10148. params->shmem2_base, params->port,
  10149. phy) != 0) {
  10150. params->num_phys = 0;
  10151. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10152. phy_index);
  10153. for (phy_index = INT_PHY;
  10154. phy_index < MAX_PHYS;
  10155. phy_index++)
  10156. *phy = phy_null;
  10157. return -EINVAL;
  10158. }
  10159. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10160. break;
  10161. sync_offset = params->shmem_base +
  10162. offsetof(struct shmem_region,
  10163. dev_info.port_hw_config[params->port].media_type);
  10164. media_types = REG_RD(bp, sync_offset);
  10165. /*
  10166. * Update media type for non-PMF sync only for the first time
  10167. * In case the media type changes afterwards, it will be updated
  10168. * using the update_status function
  10169. */
  10170. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10171. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10172. actual_phy_idx))) == 0) {
  10173. media_types |= ((phy->media_type &
  10174. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10175. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10176. actual_phy_idx));
  10177. }
  10178. REG_WR(bp, sync_offset, media_types);
  10179. bnx2x_phy_def_cfg(params, phy, phy_index);
  10180. params->num_phys++;
  10181. }
  10182. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10183. return 0;
  10184. }
  10185. void bnx2x_init_bmac_loopback(struct link_params *params,
  10186. struct link_vars *vars)
  10187. {
  10188. struct bnx2x *bp = params->bp;
  10189. vars->link_up = 1;
  10190. vars->line_speed = SPEED_10000;
  10191. vars->duplex = DUPLEX_FULL;
  10192. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10193. vars->mac_type = MAC_TYPE_BMAC;
  10194. vars->phy_flags = PHY_XGXS_FLAG;
  10195. bnx2x_xgxs_deassert(params);
  10196. /* set bmac loopback */
  10197. bnx2x_bmac_enable(params, vars, 1);
  10198. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10199. }
  10200. void bnx2x_init_emac_loopback(struct link_params *params,
  10201. struct link_vars *vars)
  10202. {
  10203. struct bnx2x *bp = params->bp;
  10204. vars->link_up = 1;
  10205. vars->line_speed = SPEED_1000;
  10206. vars->duplex = DUPLEX_FULL;
  10207. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10208. vars->mac_type = MAC_TYPE_EMAC;
  10209. vars->phy_flags = PHY_XGXS_FLAG;
  10210. bnx2x_xgxs_deassert(params);
  10211. /* set bmac loopback */
  10212. bnx2x_emac_enable(params, vars, 1);
  10213. bnx2x_emac_program(params, vars);
  10214. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10215. }
  10216. void bnx2x_init_xmac_loopback(struct link_params *params,
  10217. struct link_vars *vars)
  10218. {
  10219. struct bnx2x *bp = params->bp;
  10220. vars->link_up = 1;
  10221. if (!params->req_line_speed[0])
  10222. vars->line_speed = SPEED_10000;
  10223. else
  10224. vars->line_speed = params->req_line_speed[0];
  10225. vars->duplex = DUPLEX_FULL;
  10226. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10227. vars->mac_type = MAC_TYPE_XMAC;
  10228. vars->phy_flags = PHY_XGXS_FLAG;
  10229. /*
  10230. * Set WC to loopback mode since link is required to provide clock
  10231. * to the XMAC in 20G mode
  10232. */
  10233. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10234. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10235. params->phy[INT_PHY].config_loopback(
  10236. &params->phy[INT_PHY],
  10237. params);
  10238. bnx2x_xmac_enable(params, vars, 1);
  10239. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10240. }
  10241. void bnx2x_init_umac_loopback(struct link_params *params,
  10242. struct link_vars *vars)
  10243. {
  10244. struct bnx2x *bp = params->bp;
  10245. vars->link_up = 1;
  10246. vars->line_speed = SPEED_1000;
  10247. vars->duplex = DUPLEX_FULL;
  10248. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10249. vars->mac_type = MAC_TYPE_UMAC;
  10250. vars->phy_flags = PHY_XGXS_FLAG;
  10251. bnx2x_umac_enable(params, vars, 1);
  10252. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10253. }
  10254. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10255. struct link_vars *vars)
  10256. {
  10257. struct bnx2x *bp = params->bp;
  10258. vars->link_up = 1;
  10259. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10260. vars->duplex = DUPLEX_FULL;
  10261. if (params->req_line_speed[0] == SPEED_1000)
  10262. vars->line_speed = SPEED_1000;
  10263. else
  10264. vars->line_speed = SPEED_10000;
  10265. if (!USES_WARPCORE(bp))
  10266. bnx2x_xgxs_deassert(params);
  10267. bnx2x_link_initialize(params, vars);
  10268. if (params->req_line_speed[0] == SPEED_1000) {
  10269. if (USES_WARPCORE(bp))
  10270. bnx2x_umac_enable(params, vars, 0);
  10271. else {
  10272. bnx2x_emac_program(params, vars);
  10273. bnx2x_emac_enable(params, vars, 0);
  10274. }
  10275. } else {
  10276. if (USES_WARPCORE(bp))
  10277. bnx2x_xmac_enable(params, vars, 0);
  10278. else
  10279. bnx2x_bmac_enable(params, vars, 0);
  10280. }
  10281. if (params->loopback_mode == LOOPBACK_XGXS) {
  10282. /* set 10G XGXS loopback */
  10283. params->phy[INT_PHY].config_loopback(
  10284. &params->phy[INT_PHY],
  10285. params);
  10286. } else {
  10287. /* set external phy loopback */
  10288. u8 phy_index;
  10289. for (phy_index = EXT_PHY1;
  10290. phy_index < params->num_phys; phy_index++) {
  10291. if (params->phy[phy_index].config_loopback)
  10292. params->phy[phy_index].config_loopback(
  10293. &params->phy[phy_index],
  10294. params);
  10295. }
  10296. }
  10297. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10298. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10299. }
  10300. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10301. {
  10302. struct bnx2x *bp = params->bp;
  10303. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10304. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10305. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10306. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10307. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10308. vars->link_status = 0;
  10309. vars->phy_link_up = 0;
  10310. vars->link_up = 0;
  10311. vars->line_speed = 0;
  10312. vars->duplex = DUPLEX_FULL;
  10313. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10314. vars->mac_type = MAC_TYPE_NONE;
  10315. vars->phy_flags = 0;
  10316. /* disable attentions */
  10317. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10318. (NIG_MASK_XGXS0_LINK_STATUS |
  10319. NIG_MASK_XGXS0_LINK10G |
  10320. NIG_MASK_SERDES0_LINK_STATUS |
  10321. NIG_MASK_MI_INT));
  10322. bnx2x_emac_init(params, vars);
  10323. if (params->num_phys == 0) {
  10324. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10325. return -EINVAL;
  10326. }
  10327. set_phy_vars(params, vars);
  10328. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10329. switch (params->loopback_mode) {
  10330. case LOOPBACK_BMAC:
  10331. bnx2x_init_bmac_loopback(params, vars);
  10332. break;
  10333. case LOOPBACK_EMAC:
  10334. bnx2x_init_emac_loopback(params, vars);
  10335. break;
  10336. case LOOPBACK_XMAC:
  10337. bnx2x_init_xmac_loopback(params, vars);
  10338. break;
  10339. case LOOPBACK_UMAC:
  10340. bnx2x_init_umac_loopback(params, vars);
  10341. break;
  10342. case LOOPBACK_XGXS:
  10343. case LOOPBACK_EXT_PHY:
  10344. bnx2x_init_xgxs_loopback(params, vars);
  10345. break;
  10346. default:
  10347. if (!CHIP_IS_E3(bp)) {
  10348. if (params->switch_cfg == SWITCH_CFG_10G)
  10349. bnx2x_xgxs_deassert(params);
  10350. else
  10351. bnx2x_serdes_deassert(bp, params->port);
  10352. }
  10353. bnx2x_link_initialize(params, vars);
  10354. msleep(30);
  10355. bnx2x_link_int_enable(params);
  10356. break;
  10357. }
  10358. return 0;
  10359. }
  10360. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10361. u8 reset_ext_phy)
  10362. {
  10363. struct bnx2x *bp = params->bp;
  10364. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10365. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10366. /* disable attentions */
  10367. vars->link_status = 0;
  10368. bnx2x_update_mng(params, vars->link_status);
  10369. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10370. (NIG_MASK_XGXS0_LINK_STATUS |
  10371. NIG_MASK_XGXS0_LINK10G |
  10372. NIG_MASK_SERDES0_LINK_STATUS |
  10373. NIG_MASK_MI_INT));
  10374. /* activate nig drain */
  10375. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10376. /* disable nig egress interface */
  10377. if (!CHIP_IS_E3(bp)) {
  10378. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10379. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10380. }
  10381. /* Stop BigMac rx */
  10382. if (!CHIP_IS_E3(bp))
  10383. bnx2x_bmac_rx_disable(bp, port);
  10384. else
  10385. bnx2x_xmac_disable(params);
  10386. /* disable emac */
  10387. if (!CHIP_IS_E3(bp))
  10388. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10389. msleep(10);
  10390. /* The PHY reset is controlled by GPIO 1
  10391. * Hold it as vars low
  10392. */
  10393. /* clear link led */
  10394. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10395. if (reset_ext_phy) {
  10396. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10397. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10398. phy_index++) {
  10399. if (params->phy[phy_index].link_reset) {
  10400. bnx2x_set_aer_mmd(params,
  10401. &params->phy[phy_index]);
  10402. params->phy[phy_index].link_reset(
  10403. &params->phy[phy_index],
  10404. params);
  10405. }
  10406. if (params->phy[phy_index].flags &
  10407. FLAGS_REARM_LATCH_SIGNAL)
  10408. clear_latch_ind = 1;
  10409. }
  10410. }
  10411. if (clear_latch_ind) {
  10412. /* Clear latching indication */
  10413. bnx2x_rearm_latch_signal(bp, port, 0);
  10414. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10415. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10416. }
  10417. if (params->phy[INT_PHY].link_reset)
  10418. params->phy[INT_PHY].link_reset(
  10419. &params->phy[INT_PHY], params);
  10420. /* reset BigMac */
  10421. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10422. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10423. /* disable nig ingress interface */
  10424. if (!CHIP_IS_E3(bp)) {
  10425. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10426. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10427. }
  10428. vars->link_up = 0;
  10429. vars->phy_flags = 0;
  10430. return 0;
  10431. }
  10432. /****************************************************************************/
  10433. /* Common function */
  10434. /****************************************************************************/
  10435. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10436. u32 shmem_base_path[],
  10437. u32 shmem2_base_path[], u8 phy_index,
  10438. u32 chip_id)
  10439. {
  10440. struct bnx2x_phy phy[PORT_MAX];
  10441. struct bnx2x_phy *phy_blk[PORT_MAX];
  10442. u16 val;
  10443. s8 port = 0;
  10444. s8 port_of_path = 0;
  10445. u32 swap_val, swap_override;
  10446. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10447. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10448. port ^= (swap_val && swap_override);
  10449. bnx2x_ext_phy_hw_reset(bp, port);
  10450. /* PART1 - Reset both phys */
  10451. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10452. u32 shmem_base, shmem2_base;
  10453. /* In E2, same phy is using for port0 of the two paths */
  10454. if (CHIP_IS_E1x(bp)) {
  10455. shmem_base = shmem_base_path[0];
  10456. shmem2_base = shmem2_base_path[0];
  10457. port_of_path = port;
  10458. } else {
  10459. shmem_base = shmem_base_path[port];
  10460. shmem2_base = shmem2_base_path[port];
  10461. port_of_path = 0;
  10462. }
  10463. /* Extract the ext phy address for the port */
  10464. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10465. port_of_path, &phy[port]) !=
  10466. 0) {
  10467. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10468. return -EINVAL;
  10469. }
  10470. /* disable attentions */
  10471. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10472. port_of_path*4,
  10473. (NIG_MASK_XGXS0_LINK_STATUS |
  10474. NIG_MASK_XGXS0_LINK10G |
  10475. NIG_MASK_SERDES0_LINK_STATUS |
  10476. NIG_MASK_MI_INT));
  10477. /* Need to take the phy out of low power mode in order
  10478. to write to access its registers */
  10479. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10480. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10481. port);
  10482. /* Reset the phy */
  10483. bnx2x_cl45_write(bp, &phy[port],
  10484. MDIO_PMA_DEVAD,
  10485. MDIO_PMA_REG_CTRL,
  10486. 1<<15);
  10487. }
  10488. /* Add delay of 150ms after reset */
  10489. msleep(150);
  10490. if (phy[PORT_0].addr & 0x1) {
  10491. phy_blk[PORT_0] = &(phy[PORT_1]);
  10492. phy_blk[PORT_1] = &(phy[PORT_0]);
  10493. } else {
  10494. phy_blk[PORT_0] = &(phy[PORT_0]);
  10495. phy_blk[PORT_1] = &(phy[PORT_1]);
  10496. }
  10497. /* PART2 - Download firmware to both phys */
  10498. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10499. if (CHIP_IS_E1x(bp))
  10500. port_of_path = port;
  10501. else
  10502. port_of_path = 0;
  10503. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10504. phy_blk[port]->addr);
  10505. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10506. port_of_path))
  10507. return -EINVAL;
  10508. /* Only set bit 10 = 1 (Tx power down) */
  10509. bnx2x_cl45_read(bp, phy_blk[port],
  10510. MDIO_PMA_DEVAD,
  10511. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10512. /* Phase1 of TX_POWER_DOWN reset */
  10513. bnx2x_cl45_write(bp, phy_blk[port],
  10514. MDIO_PMA_DEVAD,
  10515. MDIO_PMA_REG_TX_POWER_DOWN,
  10516. (val | 1<<10));
  10517. }
  10518. /*
  10519. * Toggle Transmitter: Power down and then up with 600ms delay
  10520. * between
  10521. */
  10522. msleep(600);
  10523. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10524. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10525. /* Phase2 of POWER_DOWN_RESET */
  10526. /* Release bit 10 (Release Tx power down) */
  10527. bnx2x_cl45_read(bp, phy_blk[port],
  10528. MDIO_PMA_DEVAD,
  10529. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10530. bnx2x_cl45_write(bp, phy_blk[port],
  10531. MDIO_PMA_DEVAD,
  10532. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10533. msleep(15);
  10534. /* Read modify write the SPI-ROM version select register */
  10535. bnx2x_cl45_read(bp, phy_blk[port],
  10536. MDIO_PMA_DEVAD,
  10537. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10538. bnx2x_cl45_write(bp, phy_blk[port],
  10539. MDIO_PMA_DEVAD,
  10540. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10541. /* set GPIO2 back to LOW */
  10542. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10543. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10544. }
  10545. return 0;
  10546. }
  10547. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10548. u32 shmem_base_path[],
  10549. u32 shmem2_base_path[], u8 phy_index,
  10550. u32 chip_id)
  10551. {
  10552. u32 val;
  10553. s8 port;
  10554. struct bnx2x_phy phy;
  10555. /* Use port1 because of the static port-swap */
  10556. /* Enable the module detection interrupt */
  10557. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10558. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10559. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10560. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10561. bnx2x_ext_phy_hw_reset(bp, 0);
  10562. msleep(5);
  10563. for (port = 0; port < PORT_MAX; port++) {
  10564. u32 shmem_base, shmem2_base;
  10565. /* In E2, same phy is using for port0 of the two paths */
  10566. if (CHIP_IS_E1x(bp)) {
  10567. shmem_base = shmem_base_path[0];
  10568. shmem2_base = shmem2_base_path[0];
  10569. } else {
  10570. shmem_base = shmem_base_path[port];
  10571. shmem2_base = shmem2_base_path[port];
  10572. }
  10573. /* Extract the ext phy address for the port */
  10574. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10575. port, &phy) !=
  10576. 0) {
  10577. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10578. return -EINVAL;
  10579. }
  10580. /* Reset phy*/
  10581. bnx2x_cl45_write(bp, &phy,
  10582. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10583. /* Set fault module detected LED on */
  10584. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10585. MISC_REGISTERS_GPIO_HIGH,
  10586. port);
  10587. }
  10588. return 0;
  10589. }
  10590. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10591. u8 *io_gpio, u8 *io_port)
  10592. {
  10593. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10594. offsetof(struct shmem_region,
  10595. dev_info.port_hw_config[PORT_0].default_cfg));
  10596. switch (phy_gpio_reset) {
  10597. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10598. *io_gpio = 0;
  10599. *io_port = 0;
  10600. break;
  10601. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10602. *io_gpio = 1;
  10603. *io_port = 0;
  10604. break;
  10605. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10606. *io_gpio = 2;
  10607. *io_port = 0;
  10608. break;
  10609. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10610. *io_gpio = 3;
  10611. *io_port = 0;
  10612. break;
  10613. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10614. *io_gpio = 0;
  10615. *io_port = 1;
  10616. break;
  10617. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10618. *io_gpio = 1;
  10619. *io_port = 1;
  10620. break;
  10621. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10622. *io_gpio = 2;
  10623. *io_port = 1;
  10624. break;
  10625. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10626. *io_gpio = 3;
  10627. *io_port = 1;
  10628. break;
  10629. default:
  10630. /* Don't override the io_gpio and io_port */
  10631. break;
  10632. }
  10633. }
  10634. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10635. u32 shmem_base_path[],
  10636. u32 shmem2_base_path[], u8 phy_index,
  10637. u32 chip_id)
  10638. {
  10639. s8 port, reset_gpio;
  10640. u32 swap_val, swap_override;
  10641. struct bnx2x_phy phy[PORT_MAX];
  10642. struct bnx2x_phy *phy_blk[PORT_MAX];
  10643. s8 port_of_path;
  10644. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10645. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10646. reset_gpio = MISC_REGISTERS_GPIO_1;
  10647. port = 1;
  10648. /*
  10649. * Retrieve the reset gpio/port which control the reset.
  10650. * Default is GPIO1, PORT1
  10651. */
  10652. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10653. (u8 *)&reset_gpio, (u8 *)&port);
  10654. /* Calculate the port based on port swap */
  10655. port ^= (swap_val && swap_override);
  10656. /* Initiate PHY reset*/
  10657. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10658. port);
  10659. msleep(1);
  10660. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10661. port);
  10662. msleep(5);
  10663. /* PART1 - Reset both phys */
  10664. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10665. u32 shmem_base, shmem2_base;
  10666. /* In E2, same phy is using for port0 of the two paths */
  10667. if (CHIP_IS_E1x(bp)) {
  10668. shmem_base = shmem_base_path[0];
  10669. shmem2_base = shmem2_base_path[0];
  10670. port_of_path = port;
  10671. } else {
  10672. shmem_base = shmem_base_path[port];
  10673. shmem2_base = shmem2_base_path[port];
  10674. port_of_path = 0;
  10675. }
  10676. /* Extract the ext phy address for the port */
  10677. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10678. port_of_path, &phy[port]) !=
  10679. 0) {
  10680. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10681. return -EINVAL;
  10682. }
  10683. /* disable attentions */
  10684. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10685. port_of_path*4,
  10686. (NIG_MASK_XGXS0_LINK_STATUS |
  10687. NIG_MASK_XGXS0_LINK10G |
  10688. NIG_MASK_SERDES0_LINK_STATUS |
  10689. NIG_MASK_MI_INT));
  10690. /* Reset the phy */
  10691. bnx2x_cl45_write(bp, &phy[port],
  10692. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10693. }
  10694. /* Add delay of 150ms after reset */
  10695. msleep(150);
  10696. if (phy[PORT_0].addr & 0x1) {
  10697. phy_blk[PORT_0] = &(phy[PORT_1]);
  10698. phy_blk[PORT_1] = &(phy[PORT_0]);
  10699. } else {
  10700. phy_blk[PORT_0] = &(phy[PORT_0]);
  10701. phy_blk[PORT_1] = &(phy[PORT_1]);
  10702. }
  10703. /* PART2 - Download firmware to both phys */
  10704. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10705. if (CHIP_IS_E1x(bp))
  10706. port_of_path = port;
  10707. else
  10708. port_of_path = 0;
  10709. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10710. phy_blk[port]->addr);
  10711. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10712. port_of_path))
  10713. return -EINVAL;
  10714. /* Disable PHY transmitter output */
  10715. bnx2x_cl45_write(bp, phy_blk[port],
  10716. MDIO_PMA_DEVAD,
  10717. MDIO_PMA_REG_TX_DISABLE, 1);
  10718. }
  10719. return 0;
  10720. }
  10721. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10722. u32 shmem2_base_path[], u8 phy_index,
  10723. u32 ext_phy_type, u32 chip_id)
  10724. {
  10725. int rc = 0;
  10726. switch (ext_phy_type) {
  10727. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10728. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10729. shmem2_base_path,
  10730. phy_index, chip_id);
  10731. break;
  10732. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10733. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10734. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10735. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10736. shmem2_base_path,
  10737. phy_index, chip_id);
  10738. break;
  10739. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10740. /*
  10741. * GPIO1 affects both ports, so there's need to pull
  10742. * it for single port alone
  10743. */
  10744. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10745. shmem2_base_path,
  10746. phy_index, chip_id);
  10747. break;
  10748. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10749. /*
  10750. * GPIO3's are linked, and so both need to be toggled
  10751. * to obtain required 2us pulse.
  10752. */
  10753. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10754. break;
  10755. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10756. rc = -EINVAL;
  10757. break;
  10758. default:
  10759. DP(NETIF_MSG_LINK,
  10760. "ext_phy 0x%x common init not required\n",
  10761. ext_phy_type);
  10762. break;
  10763. }
  10764. if (rc != 0)
  10765. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10766. " Port %d\n",
  10767. 0);
  10768. return rc;
  10769. }
  10770. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10771. u32 shmem2_base_path[], u32 chip_id)
  10772. {
  10773. int rc = 0;
  10774. u32 phy_ver, val;
  10775. u8 phy_index = 0;
  10776. u32 ext_phy_type, ext_phy_config;
  10777. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10778. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10779. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10780. if (CHIP_IS_E3(bp)) {
  10781. /* Enable EPIO */
  10782. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10783. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10784. }
  10785. /* Check if common init was already done */
  10786. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10787. offsetof(struct shmem_region,
  10788. port_mb[PORT_0].ext_phy_fw_version));
  10789. if (phy_ver) {
  10790. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10791. phy_ver);
  10792. return 0;
  10793. }
  10794. /* Read the ext_phy_type for arbitrary port(0) */
  10795. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10796. phy_index++) {
  10797. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10798. shmem_base_path[0],
  10799. phy_index, 0);
  10800. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10801. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10802. shmem2_base_path,
  10803. phy_index, ext_phy_type,
  10804. chip_id);
  10805. }
  10806. return rc;
  10807. }
  10808. static void bnx2x_check_over_curr(struct link_params *params,
  10809. struct link_vars *vars)
  10810. {
  10811. struct bnx2x *bp = params->bp;
  10812. u32 cfg_pin;
  10813. u8 port = params->port;
  10814. u32 pin_val;
  10815. cfg_pin = (REG_RD(bp, params->shmem_base +
  10816. offsetof(struct shmem_region,
  10817. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10818. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10819. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10820. /* Ignore check if no external input PIN available */
  10821. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10822. return;
  10823. if (!pin_val) {
  10824. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10825. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10826. " been detected and the power to "
  10827. "that SFP+ module has been removed"
  10828. " to prevent failure of the card."
  10829. " Please remove the SFP+ module and"
  10830. " restart the system to clear this"
  10831. " error.\n",
  10832. params->port);
  10833. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10834. }
  10835. } else
  10836. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10837. }
  10838. static void bnx2x_analyze_link_error(struct link_params *params,
  10839. struct link_vars *vars, u32 lss_status)
  10840. {
  10841. struct bnx2x *bp = params->bp;
  10842. /* Compare new value with previous value */
  10843. u8 led_mode;
  10844. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10845. if ((lss_status ^ half_open_conn) == 0)
  10846. return;
  10847. /* If values differ */
  10848. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10849. half_open_conn, lss_status);
  10850. /*
  10851. * a. Update shmem->link_status accordingly
  10852. * b. Update link_vars->link_up
  10853. */
  10854. if (lss_status) {
  10855. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10856. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10857. vars->link_up = 0;
  10858. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10859. /*
  10860. * Set LED mode to off since the PHY doesn't know about these
  10861. * errors
  10862. */
  10863. led_mode = LED_MODE_OFF;
  10864. } else {
  10865. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10866. vars->link_status |= LINK_STATUS_LINK_UP;
  10867. vars->link_up = 1;
  10868. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10869. led_mode = LED_MODE_OPER;
  10870. }
  10871. /* Update the LED according to the link state */
  10872. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10873. /* Update link status in the shared memory */
  10874. bnx2x_update_mng(params, vars->link_status);
  10875. /* C. Trigger General Attention */
  10876. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10877. bnx2x_notify_link_changed(bp);
  10878. }
  10879. /******************************************************************************
  10880. * Description:
  10881. * This function checks for half opened connection change indication.
  10882. * When such change occurs, it calls the bnx2x_analyze_link_error
  10883. * to check if Remote Fault is set or cleared. Reception of remote fault
  10884. * status message in the MAC indicates that the peer's MAC has detected
  10885. * a fault, for example, due to break in the TX side of fiber.
  10886. *
  10887. ******************************************************************************/
  10888. static void bnx2x_check_half_open_conn(struct link_params *params,
  10889. struct link_vars *vars)
  10890. {
  10891. struct bnx2x *bp = params->bp;
  10892. u32 lss_status = 0;
  10893. u32 mac_base;
  10894. /* In case link status is physically up @ 10G do */
  10895. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10896. return;
  10897. if (CHIP_IS_E3(bp) &&
  10898. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10899. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  10900. /* Check E3 XMAC */
  10901. /*
  10902. * Note that link speed cannot be queried here, since it may be
  10903. * zero while link is down. In case UMAC is active, LSS will
  10904. * simply not be set
  10905. */
  10906. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10907. /* Clear stick bits (Requires rising edge) */
  10908. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  10909. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  10910. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  10911. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  10912. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  10913. lss_status = 1;
  10914. bnx2x_analyze_link_error(params, vars, lss_status);
  10915. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10916. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  10917. /* Check E1X / E2 BMAC */
  10918. u32 lss_status_reg;
  10919. u32 wb_data[2];
  10920. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10921. NIG_REG_INGRESS_BMAC0_MEM;
  10922. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10923. if (CHIP_IS_E2(bp))
  10924. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10925. else
  10926. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10927. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10928. lss_status = (wb_data[0] > 0);
  10929. bnx2x_analyze_link_error(params, vars, lss_status);
  10930. }
  10931. }
  10932. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10933. {
  10934. struct bnx2x *bp = params->bp;
  10935. u16 phy_idx;
  10936. if (!params) {
  10937. DP(NETIF_MSG_LINK, "Uninitialized params !\n");
  10938. return;
  10939. }
  10940. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  10941. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  10942. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  10943. bnx2x_check_half_open_conn(params, vars);
  10944. break;
  10945. }
  10946. }
  10947. if (CHIP_IS_E3(bp))
  10948. bnx2x_check_over_curr(params, vars);
  10949. }
  10950. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10951. {
  10952. u8 phy_index;
  10953. struct bnx2x_phy phy;
  10954. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10955. phy_index++) {
  10956. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10957. 0, &phy) != 0) {
  10958. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10959. return 0;
  10960. }
  10961. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10962. return 1;
  10963. }
  10964. return 0;
  10965. }
  10966. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10967. u32 shmem_base,
  10968. u32 shmem2_base,
  10969. u8 port)
  10970. {
  10971. u8 phy_index, fan_failure_det_req = 0;
  10972. struct bnx2x_phy phy;
  10973. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10974. phy_index++) {
  10975. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10976. port, &phy)
  10977. != 0) {
  10978. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10979. return 0;
  10980. }
  10981. fan_failure_det_req |= (phy.flags &
  10982. FLAGS_FAN_FAILURE_DET_REQ);
  10983. }
  10984. return fan_failure_det_req;
  10985. }
  10986. void bnx2x_hw_reset_phy(struct link_params *params)
  10987. {
  10988. u8 phy_index;
  10989. struct bnx2x *bp = params->bp;
  10990. bnx2x_update_mng(params, 0);
  10991. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10992. (NIG_MASK_XGXS0_LINK_STATUS |
  10993. NIG_MASK_XGXS0_LINK10G |
  10994. NIG_MASK_SERDES0_LINK_STATUS |
  10995. NIG_MASK_MI_INT));
  10996. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10997. phy_index++) {
  10998. if (params->phy[phy_index].hw_reset) {
  10999. params->phy[phy_index].hw_reset(
  11000. &params->phy[phy_index],
  11001. params);
  11002. params->phy[phy_index] = phy_null;
  11003. }
  11004. }
  11005. }
  11006. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11007. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11008. u8 port)
  11009. {
  11010. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11011. u32 val;
  11012. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11013. if (CHIP_IS_E3(bp)) {
  11014. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11015. shmem_base,
  11016. port,
  11017. &gpio_num,
  11018. &gpio_port) != 0)
  11019. return;
  11020. } else {
  11021. struct bnx2x_phy phy;
  11022. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11023. phy_index++) {
  11024. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11025. shmem2_base, port, &phy)
  11026. != 0) {
  11027. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11028. return;
  11029. }
  11030. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11031. gpio_num = MISC_REGISTERS_GPIO_3;
  11032. gpio_port = port;
  11033. break;
  11034. }
  11035. }
  11036. }
  11037. if (gpio_num == 0xff)
  11038. return;
  11039. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11040. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11041. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11042. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11043. gpio_port ^= (swap_val && swap_override);
  11044. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11045. (gpio_num + (gpio_port << 2));
  11046. sync_offset = shmem_base +
  11047. offsetof(struct shmem_region,
  11048. dev_info.port_hw_config[port].aeu_int_mask);
  11049. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11050. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11051. gpio_num, gpio_port, vars->aeu_int_mask);
  11052. if (port == 0)
  11053. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11054. else
  11055. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11056. /* Open appropriate AEU for interrupts */
  11057. aeu_mask = REG_RD(bp, offset);
  11058. aeu_mask |= vars->aeu_int_mask;
  11059. REG_WR(bp, offset, aeu_mask);
  11060. /* Enable the GPIO to trigger interrupt */
  11061. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11062. val |= 1 << (gpio_num + (gpio_port << 2));
  11063. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11064. }