bnx2x_link.c 349 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /***********************************************************/
  43. /* Shortcut definitions */
  44. /***********************************************************/
  45. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  46. #define NIG_STATUS_EMAC0_MI_INT \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  48. #define NIG_STATUS_XGXS0_LINK10G \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  50. #define NIG_STATUS_XGXS0_LINK_STATUS \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  52. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  54. #define NIG_STATUS_SERDES0_LINK_STATUS \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  56. #define NIG_MASK_MI_INT \
  57. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  58. #define NIG_MASK_XGXS0_LINK10G \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  60. #define NIG_MASK_XGXS0_LINK_STATUS \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  62. #define NIG_MASK_SERDES0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  64. #define MDIO_AN_CL73_OR_37_COMPLETE \
  65. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  66. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  67. #define XGXS_RESET_BITS \
  68. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  70. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  73. #define SERDES_RESET_BITS \
  74. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  78. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  79. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  80. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  81. #define AUTONEG_PARALLEL \
  82. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  83. #define AUTONEG_SGMII_FIBER_AUTODET \
  84. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  85. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  86. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  87. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  88. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  90. #define GP_STATUS_SPEED_MASK \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  92. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  93. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  94. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  95. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  96. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  97. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  98. #define GP_STATUS_10G_HIG \
  99. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  100. #define GP_STATUS_10G_CX4 \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  102. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  103. #define GP_STATUS_10G_KX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  105. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  106. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  107. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  108. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  109. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  110. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  111. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  112. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  113. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  114. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  115. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  116. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  117. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  118. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  119. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  120. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  121. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  122. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  123. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  124. /* */
  125. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  126. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  127. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  128. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  129. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  130. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  131. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  132. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  133. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  135. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  136. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  137. #define SFP_EEPROM_OPTIONS_SIZE 2
  138. #define EDC_MODE_LINEAR 0x0022
  139. #define EDC_MODE_LIMITING 0x0044
  140. #define EDC_MODE_PASSIVE_DAC 0x0055
  141. /* BRB thresholds for E2*/
  142. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  143. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  144. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  145. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  146. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  147. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  148. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  149. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  150. /* BRB thresholds for E3A0 */
  151. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  152. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  153. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  155. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  156. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  157. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  158. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  159. /* BRB thresholds for E3B0 2 port mode*/
  160. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  161. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  162. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  164. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  165. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  168. /* only for E3B0*/
  169. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  170. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  171. /* Lossy +Lossless GUARANTIED == GUART */
  172. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  173. /* Lossless +Lossless*/
  174. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  175. /* Lossy +Lossy*/
  176. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  177. /* Lossy +Lossless*/
  178. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  179. /* Lossless +Lossless*/
  180. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  181. /* Lossy +Lossy*/
  182. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  183. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  184. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  185. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  186. /* BRB thresholds for E3B0 4 port mode */
  187. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  188. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  189. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  191. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  192. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  193. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  195. /* only for E3B0*/
  196. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  197. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  198. #define PFC_E3B0_4P_LB_GUART 120
  199. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  200. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  202. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  203. #define DCBX_INVALID_COS (0xFF)
  204. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  205. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  206. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  207. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  208. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  209. #define MAX_PACKET_SIZE (9700)
  210. #define WC_UC_TIMEOUT 100
  211. /**********************************************************/
  212. /* INTERFACE */
  213. /**********************************************************/
  214. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  215. bnx2x_cl45_write(_bp, _phy, \
  216. (_phy)->def_md_devad, \
  217. (_bank + (_addr & 0xf)), \
  218. _val)
  219. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  220. bnx2x_cl45_read(_bp, _phy, \
  221. (_phy)->def_md_devad, \
  222. (_bank + (_addr & 0xf)), \
  223. _val)
  224. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  225. {
  226. u32 val = REG_RD(bp, reg);
  227. val |= bits;
  228. REG_WR(bp, reg, val);
  229. return val;
  230. }
  231. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  232. {
  233. u32 val = REG_RD(bp, reg);
  234. val &= ~bits;
  235. REG_WR(bp, reg, val);
  236. return val;
  237. }
  238. /******************************************************************/
  239. /* EPIO/GPIO section */
  240. /******************************************************************/
  241. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  242. {
  243. u32 epio_mask, gp_oenable;
  244. *en = 0;
  245. /* Sanity check */
  246. if (epio_pin > 31) {
  247. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  248. return;
  249. }
  250. epio_mask = 1 << epio_pin;
  251. /* Set this EPIO to output */
  252. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  253. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  254. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  255. }
  256. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  257. {
  258. u32 epio_mask, gp_output, gp_oenable;
  259. /* Sanity check */
  260. if (epio_pin > 31) {
  261. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  262. return;
  263. }
  264. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  265. epio_mask = 1 << epio_pin;
  266. /* Set this EPIO to output */
  267. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  268. if (en)
  269. gp_output |= epio_mask;
  270. else
  271. gp_output &= ~epio_mask;
  272. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  273. /* Set the value for this EPIO */
  274. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  275. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  276. }
  277. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  278. {
  279. if (pin_cfg == PIN_CFG_NA)
  280. return;
  281. if (pin_cfg >= PIN_CFG_EPIO0) {
  282. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  283. } else {
  284. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  285. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  286. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  287. }
  288. }
  289. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  290. {
  291. if (pin_cfg == PIN_CFG_NA)
  292. return -EINVAL;
  293. if (pin_cfg >= PIN_CFG_EPIO0) {
  294. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  295. } else {
  296. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  297. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  298. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  299. }
  300. return 0;
  301. }
  302. /******************************************************************/
  303. /* ETS section */
  304. /******************************************************************/
  305. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  306. {
  307. /* ETS disabled configuration*/
  308. struct bnx2x *bp = params->bp;
  309. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  310. /*
  311. * mapping between entry priority to client number (0,1,2 -debug and
  312. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  313. * 3bits client num.
  314. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  315. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  318. /*
  319. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  320. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  321. * COS0 entry, 4 - COS1 entry.
  322. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  323. * bit4 bit3 bit2 bit1 bit0
  324. * MCP and debug are strict
  325. */
  326. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  327. /* defines which entries (clients) are subjected to WFQ arbitration */
  328. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  329. /*
  330. * For strict priority entries defines the number of consecutive
  331. * slots for the highest priority.
  332. */
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  334. /*
  335. * mapping between the CREDIT_WEIGHT registers and actual client
  336. * numbers
  337. */
  338. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  339. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  340. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  343. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  344. /* ETS mode disable */
  345. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  346. /*
  347. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  348. * weight for COS0/COS1.
  349. */
  350. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  351. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  352. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  353. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  354. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  355. /* Defines the number of consecutive slots for the strict priority */
  356. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  357. }
  358. /******************************************************************************
  359. * Description:
  360. * Getting min_w_val will be set according to line speed .
  361. *.
  362. ******************************************************************************/
  363. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  364. {
  365. u32 min_w_val = 0;
  366. /* Calculate min_w_val.*/
  367. if (vars->link_up) {
  368. if (SPEED_20000 == vars->line_speed)
  369. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  370. else
  371. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  372. } else
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. /**
  375. * If the link isn't up (static configuration for example ) The
  376. * link will be according to 20GBPS.
  377. */
  378. return min_w_val;
  379. }
  380. /******************************************************************************
  381. * Description:
  382. * Getting credit upper bound form min_w_val.
  383. *.
  384. ******************************************************************************/
  385. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  386. {
  387. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  388. MAX_PACKET_SIZE);
  389. return credit_upper_bound;
  390. }
  391. /******************************************************************************
  392. * Description:
  393. * Set credit upper bound for NIG.
  394. *.
  395. ******************************************************************************/
  396. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  397. const struct link_params *params,
  398. const u32 min_w_val)
  399. {
  400. struct bnx2x *bp = params->bp;
  401. const u8 port = params->port;
  402. const u32 credit_upper_bound =
  403. bnx2x_ets_get_credit_upper_bound(min_w_val);
  404. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  405. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  406. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  407. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  416. if (0 == port) {
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  418. credit_upper_bound);
  419. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  420. credit_upper_bound);
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  422. credit_upper_bound);
  423. }
  424. }
  425. /******************************************************************************
  426. * Description:
  427. * Will return the NIG ETS registers to init values.Except
  428. * credit_upper_bound.
  429. * That isn't used in this configuration (No WFQ is enabled) and will be
  430. * configured acording to spec
  431. *.
  432. ******************************************************************************/
  433. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  434. const struct link_vars *vars)
  435. {
  436. struct bnx2x *bp = params->bp;
  437. const u8 port = params->port;
  438. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  439. /**
  440. * mapping between entry priority to client number (0,1,2 -debug and
  441. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  442. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  443. * reset value or init tool
  444. */
  445. if (port) {
  446. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  447. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  448. } else {
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  450. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  451. }
  452. /**
  453. * For strict priority entries defines the number of consecutive
  454. * slots for the highest priority.
  455. */
  456. /* TODO_ETS - Should be done by reset value or init tool */
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  458. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  459. /**
  460. * mapping between the CREDIT_WEIGHT registers and actual client
  461. * numbers
  462. */
  463. /* TODO_ETS - Should be done by reset value or init tool */
  464. if (port) {
  465. /*Port 1 has 6 COS*/
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  467. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  468. } else {
  469. /*Port 0 has 9 COS*/
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  471. 0x43210876);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  473. }
  474. /**
  475. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  476. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  477. * COS0 entry, 4 - COS1 entry.
  478. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  479. * bit4 bit3 bit2 bit1 bit0
  480. * MCP and debug are strict
  481. */
  482. if (port)
  483. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  484. else
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  486. /* defines which entries (clients) are subjected to WFQ arbitration */
  487. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  488. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  489. /**
  490. * Please notice the register address are note continuous and a
  491. * for here is note appropriate.In 2 port mode port0 only COS0-5
  492. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  493. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  494. * are never used for WFQ
  495. */
  496. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  497. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  498. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  499. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  508. if (0 == port) {
  509. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  510. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  512. }
  513. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  514. }
  515. /******************************************************************************
  516. * Description:
  517. * Set credit upper bound for PBF.
  518. *.
  519. ******************************************************************************/
  520. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  521. const struct link_params *params,
  522. const u32 min_w_val)
  523. {
  524. struct bnx2x *bp = params->bp;
  525. const u32 credit_upper_bound =
  526. bnx2x_ets_get_credit_upper_bound(min_w_val);
  527. const u8 port = params->port;
  528. u32 base_upper_bound = 0;
  529. u8 max_cos = 0;
  530. u8 i = 0;
  531. /**
  532. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  533. * port mode port1 has COS0-2 that can be used for WFQ.
  534. */
  535. if (0 == port) {
  536. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  537. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  538. } else {
  539. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  540. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  541. }
  542. for (i = 0; i < max_cos; i++)
  543. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  544. }
  545. /******************************************************************************
  546. * Description:
  547. * Will return the PBF ETS registers to init values.Except
  548. * credit_upper_bound.
  549. * That isn't used in this configuration (No WFQ is enabled) and will be
  550. * configured acording to spec
  551. *.
  552. ******************************************************************************/
  553. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  554. {
  555. struct bnx2x *bp = params->bp;
  556. const u8 port = params->port;
  557. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  558. u8 i = 0;
  559. u32 base_weight = 0;
  560. u8 max_cos = 0;
  561. /**
  562. * mapping between entry priority to client number 0 - COS0
  563. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  564. * TODO_ETS - Should be done by reset value or init tool
  565. */
  566. if (port)
  567. /* 0x688 (|011|0 10|00 1|000) */
  568. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  569. else
  570. /* (10 1|100 |011|0 10|00 1|000) */
  571. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  572. /* TODO_ETS - Should be done by reset value or init tool */
  573. if (port)
  574. /* 0x688 (|011|0 10|00 1|000)*/
  575. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  576. else
  577. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  579. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  580. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  581. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  582. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  584. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  585. /**
  586. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  587. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  588. */
  589. if (0 == port) {
  590. base_weight = PBF_REG_COS0_WEIGHT_P0;
  591. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  592. } else {
  593. base_weight = PBF_REG_COS0_WEIGHT_P1;
  594. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  595. }
  596. for (i = 0; i < max_cos; i++)
  597. REG_WR(bp, base_weight + (0x4 * i), 0);
  598. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * E3B0 disable will return basicly the values to init values.
  603. *.
  604. ******************************************************************************/
  605. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  606. const struct link_vars *vars)
  607. {
  608. struct bnx2x *bp = params->bp;
  609. if (!CHIP_IS_E3B0(bp)) {
  610. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  611. "\n");
  612. return -EINVAL;
  613. }
  614. bnx2x_ets_e3b0_nig_disabled(params, vars);
  615. bnx2x_ets_e3b0_pbf_disabled(params);
  616. return 0;
  617. }
  618. /******************************************************************************
  619. * Description:
  620. * Disable will return basicly the values to init values.
  621. *.
  622. ******************************************************************************/
  623. int bnx2x_ets_disabled(struct link_params *params,
  624. struct link_vars *vars)
  625. {
  626. struct bnx2x *bp = params->bp;
  627. int bnx2x_status = 0;
  628. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  629. bnx2x_ets_e2e3a0_disabled(params);
  630. else if (CHIP_IS_E3B0(bp))
  631. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  632. else {
  633. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  634. return -EINVAL;
  635. }
  636. return bnx2x_status;
  637. }
  638. /******************************************************************************
  639. * Description
  640. * Set the COS mappimg to SP and BW until this point all the COS are not
  641. * set as SP or BW.
  642. ******************************************************************************/
  643. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  644. const struct bnx2x_ets_params *ets_params,
  645. const u8 cos_sp_bitmap,
  646. const u8 cos_bw_bitmap)
  647. {
  648. struct bnx2x *bp = params->bp;
  649. const u8 port = params->port;
  650. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  651. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  652. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  653. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  654. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  655. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  656. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  657. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  660. nig_cli_subject2wfq_bitmap);
  661. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  662. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  663. pbf_cli_subject2wfq_bitmap);
  664. return 0;
  665. }
  666. /******************************************************************************
  667. * Description:
  668. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  669. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  672. const u8 cos_entry,
  673. const u32 min_w_val_nig,
  674. const u32 min_w_val_pbf,
  675. const u16 total_bw,
  676. const u8 bw,
  677. const u8 port)
  678. {
  679. u32 nig_reg_adress_crd_weight = 0;
  680. u32 pbf_reg_adress_crd_weight = 0;
  681. /* Calculate and set BW for this COS*/
  682. const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
  683. const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
  684. switch (cos_entry) {
  685. case 0:
  686. nig_reg_adress_crd_weight =
  687. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  688. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  689. pbf_reg_adress_crd_weight = (port) ?
  690. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  691. break;
  692. case 1:
  693. nig_reg_adress_crd_weight = (port) ?
  694. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  695. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  696. pbf_reg_adress_crd_weight = (port) ?
  697. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  698. break;
  699. case 2:
  700. nig_reg_adress_crd_weight = (port) ?
  701. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  702. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  703. pbf_reg_adress_crd_weight = (port) ?
  704. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  705. break;
  706. case 3:
  707. if (port)
  708. return -EINVAL;
  709. nig_reg_adress_crd_weight =
  710. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  711. pbf_reg_adress_crd_weight =
  712. PBF_REG_COS3_WEIGHT_P0;
  713. break;
  714. case 4:
  715. if (port)
  716. return -EINVAL;
  717. nig_reg_adress_crd_weight =
  718. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  719. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  720. break;
  721. case 5:
  722. if (port)
  723. return -EINVAL;
  724. nig_reg_adress_crd_weight =
  725. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  726. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  727. break;
  728. }
  729. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  730. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  731. return 0;
  732. }
  733. /******************************************************************************
  734. * Description:
  735. * Calculate the total BW.A value of 0 isn't legal.
  736. *.
  737. ******************************************************************************/
  738. static int bnx2x_ets_e3b0_get_total_bw(
  739. const struct link_params *params,
  740. const struct bnx2x_ets_params *ets_params,
  741. u16 *total_bw)
  742. {
  743. struct bnx2x *bp = params->bp;
  744. u8 cos_idx = 0;
  745. *total_bw = 0 ;
  746. /* Calculate total BW requested */
  747. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  748. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  749. if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
  750. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  751. "was set to 0\n");
  752. return -EINVAL;
  753. }
  754. *total_bw +=
  755. ets_params->cos[cos_idx].params.bw_params.bw;
  756. }
  757. }
  758. /*Check taotl BW is valid */
  759. if ((100 != *total_bw) || (0 == *total_bw)) {
  760. if (0 == *total_bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
  762. "shouldn't be 0\n");
  763. return -EINVAL;
  764. }
  765. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
  766. "100\n");
  767. /**
  768. * We can handle a case whre the BW isn't 100 this can happen
  769. * if the TC are joined.
  770. */
  771. }
  772. return 0;
  773. }
  774. /******************************************************************************
  775. * Description:
  776. * Invalidate all the sp_pri_to_cos.
  777. *.
  778. ******************************************************************************/
  779. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  780. {
  781. u8 pri = 0;
  782. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  783. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  784. }
  785. /******************************************************************************
  786. * Description:
  787. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  788. * according to sp_pri_to_cos.
  789. *.
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  792. u8 *sp_pri_to_cos, const u8 pri,
  793. const u8 cos_entry)
  794. {
  795. struct bnx2x *bp = params->bp;
  796. const u8 port = params->port;
  797. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  798. DCBX_E3B0_MAX_NUM_COS_PORT0;
  799. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  800. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  801. "parameter There can't be two COS's with"
  802. "the same strict pri\n");
  803. return -EINVAL;
  804. }
  805. if (pri > max_num_of_cos) {
  806. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
  807. "parameter Illegal strict priority\n");
  808. return -EINVAL;
  809. }
  810. sp_pri_to_cos[pri] = cos_entry;
  811. return 0;
  812. }
  813. /******************************************************************************
  814. * Description:
  815. * Returns the correct value according to COS and priority in
  816. * the sp_pri_cli register.
  817. *.
  818. ******************************************************************************/
  819. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  820. const u8 pri_set,
  821. const u8 pri_offset,
  822. const u8 entry_size)
  823. {
  824. u64 pri_cli_nig = 0;
  825. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  826. (pri_set + pri_offset));
  827. return pri_cli_nig;
  828. }
  829. /******************************************************************************
  830. * Description:
  831. * Returns the correct value according to COS and priority in the
  832. * sp_pri_cli register for NIG.
  833. *.
  834. ******************************************************************************/
  835. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  836. {
  837. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  838. const u8 nig_cos_offset = 3;
  839. const u8 nig_pri_offset = 3;
  840. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  841. nig_pri_offset, 4);
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for PBF.
  847. *.
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  850. {
  851. const u8 pbf_cos_offset = 0;
  852. const u8 pbf_pri_offset = 0;
  853. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  854. pbf_pri_offset, 3);
  855. }
  856. /******************************************************************************
  857. * Description:
  858. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  859. * according to sp_pri_to_cos.(which COS has higher priority)
  860. *.
  861. ******************************************************************************/
  862. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  863. u8 *sp_pri_to_cos)
  864. {
  865. struct bnx2x *bp = params->bp;
  866. u8 i = 0;
  867. const u8 port = params->port;
  868. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  869. u64 pri_cli_nig = 0x210;
  870. u32 pri_cli_pbf = 0x0;
  871. u8 pri_set = 0;
  872. u8 pri_bitmask = 0;
  873. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  874. DCBX_E3B0_MAX_NUM_COS_PORT0;
  875. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  876. /* Set all the strict priority first */
  877. for (i = 0; i < max_num_of_cos; i++) {
  878. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  879. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  880. DP(NETIF_MSG_LINK,
  881. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  882. "invalid cos entry\n");
  883. return -EINVAL;
  884. }
  885. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  886. sp_pri_to_cos[i], pri_set);
  887. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  888. sp_pri_to_cos[i], pri_set);
  889. pri_bitmask = 1 << sp_pri_to_cos[i];
  890. /* COS is used remove it from bitmap.*/
  891. if (0 == (pri_bitmask & cos_bit_to_set)) {
  892. DP(NETIF_MSG_LINK,
  893. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  894. "invalid There can't be two COS's with"
  895. " the same strict pri\n");
  896. return -EINVAL;
  897. }
  898. cos_bit_to_set &= ~pri_bitmask;
  899. pri_set++;
  900. }
  901. }
  902. /* Set all the Non strict priority i= COS*/
  903. for (i = 0; i < max_num_of_cos; i++) {
  904. pri_bitmask = 1 << i;
  905. /* Check if COS was already used for SP */
  906. if (pri_bitmask & cos_bit_to_set) {
  907. /* COS wasn't used for SP */
  908. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  909. i, pri_set);
  910. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  911. i, pri_set);
  912. /* COS is used remove it from bitmap.*/
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. if (pri_set != max_num_of_cos) {
  918. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  919. "entries were set\n");
  920. return -EINVAL;
  921. }
  922. if (port) {
  923. /* Only 6 usable clients*/
  924. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  925. (u32)pri_cli_nig);
  926. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  927. } else {
  928. /* Only 9 usable clients*/
  929. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  930. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  931. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  932. pri_cli_nig_lsb);
  933. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  934. pri_cli_nig_msb);
  935. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  936. }
  937. return 0;
  938. }
  939. /******************************************************************************
  940. * Description:
  941. * Configure the COS to ETS according to BW and SP settings.
  942. ******************************************************************************/
  943. int bnx2x_ets_e3b0_config(const struct link_params *params,
  944. const struct link_vars *vars,
  945. const struct bnx2x_ets_params *ets_params)
  946. {
  947. struct bnx2x *bp = params->bp;
  948. int bnx2x_status = 0;
  949. const u8 port = params->port;
  950. u16 total_bw = 0;
  951. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  952. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  953. u8 cos_bw_bitmap = 0;
  954. u8 cos_sp_bitmap = 0;
  955. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  956. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  957. DCBX_E3B0_MAX_NUM_COS_PORT0;
  958. u8 cos_entry = 0;
  959. if (!CHIP_IS_E3B0(bp)) {
  960. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  961. "\n");
  962. return -EINVAL;
  963. }
  964. if ((ets_params->num_of_cos > max_num_of_cos)) {
  965. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  966. "isn't supported\n");
  967. return -EINVAL;
  968. }
  969. /* Prepare sp strict priority parameters*/
  970. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  971. /* Prepare BW parameters*/
  972. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  973. &total_bw);
  974. if (0 != bnx2x_status) {
  975. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
  976. "\n");
  977. return -EINVAL;
  978. }
  979. /**
  980. * Upper bound is set according to current link speed (min_w_val
  981. * should be the same for upper bound and COS credit val).
  982. */
  983. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  984. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  985. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  986. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  987. cos_bw_bitmap |= (1 << cos_entry);
  988. /**
  989. * The function also sets the BW in HW(not the mappin
  990. * yet)
  991. */
  992. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  993. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  994. total_bw,
  995. ets_params->cos[cos_entry].params.bw_params.bw,
  996. port);
  997. } else if (bnx2x_cos_state_strict ==
  998. ets_params->cos[cos_entry].state){
  999. cos_sp_bitmap |= (1 << cos_entry);
  1000. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1001. params,
  1002. sp_pri_to_cos,
  1003. ets_params->cos[cos_entry].params.sp_params.pri,
  1004. cos_entry);
  1005. } else {
  1006. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
  1007. " valid\n");
  1008. return -EINVAL;
  1009. }
  1010. if (0 != bnx2x_status) {
  1011. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
  1012. "failed\n");
  1013. return bnx2x_status;
  1014. }
  1015. }
  1016. /* Set SP register (which COS has higher priority) */
  1017. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1018. sp_pri_to_cos);
  1019. if (0 != bnx2x_status) {
  1020. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
  1021. "failed\n");
  1022. return bnx2x_status;
  1023. }
  1024. /* Set client mapping of BW and strict */
  1025. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1026. cos_sp_bitmap,
  1027. cos_bw_bitmap);
  1028. if (0 != bnx2x_status) {
  1029. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1030. return bnx2x_status;
  1031. }
  1032. return 0;
  1033. }
  1034. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1035. {
  1036. /* ETS disabled configuration */
  1037. struct bnx2x *bp = params->bp;
  1038. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1039. /*
  1040. * defines which entries (clients) are subjected to WFQ arbitration
  1041. * COS0 0x8
  1042. * COS1 0x10
  1043. */
  1044. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1045. /*
  1046. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1047. * client numbers (WEIGHT_0 does not actually have to represent
  1048. * client 0)
  1049. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1050. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1051. */
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1053. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1054. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1056. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1057. /* ETS mode enabled*/
  1058. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1059. /* Defines the number of consecutive slots for the strict priority */
  1060. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1061. /*
  1062. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1063. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1064. * entry, 4 - COS1 entry.
  1065. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1066. * bit4 bit3 bit2 bit1 bit0
  1067. * MCP and debug are strict
  1068. */
  1069. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1070. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1071. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1072. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1073. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1074. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1075. }
  1076. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1077. const u32 cos1_bw)
  1078. {
  1079. /* ETS disabled configuration*/
  1080. struct bnx2x *bp = params->bp;
  1081. const u32 total_bw = cos0_bw + cos1_bw;
  1082. u32 cos0_credit_weight = 0;
  1083. u32 cos1_credit_weight = 0;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. if ((0 == total_bw) ||
  1086. (0 == cos0_bw) ||
  1087. (0 == cos1_bw)) {
  1088. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1089. return;
  1090. }
  1091. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1092. total_bw;
  1093. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1094. total_bw;
  1095. bnx2x_ets_bw_limit_common(params);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1099. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1100. }
  1101. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1102. {
  1103. /* ETS disabled configuration*/
  1104. struct bnx2x *bp = params->bp;
  1105. u32 val = 0;
  1106. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1107. /*
  1108. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1109. * as strict. Bits 0,1,2 - debug and management entries,
  1110. * 3 - COS0 entry, 4 - COS1 entry.
  1111. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1112. * bit4 bit3 bit2 bit1 bit0
  1113. * MCP and debug are strict
  1114. */
  1115. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1116. /*
  1117. * For strict priority entries defines the number of consecutive slots
  1118. * for the highest priority.
  1119. */
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1121. /* ETS mode disable */
  1122. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1123. /* Defines the number of consecutive slots for the strict priority */
  1124. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1125. /* Defines the number of consecutive slots for the strict priority */
  1126. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1127. /*
  1128. * mapping between entry priority to client number (0,1,2 -debug and
  1129. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1130. * 3bits client num.
  1131. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1132. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1133. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1134. */
  1135. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1136. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1137. return 0;
  1138. }
  1139. /******************************************************************/
  1140. /* PFC section */
  1141. /******************************************************************/
  1142. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1143. struct link_vars *vars,
  1144. u8 is_lb)
  1145. {
  1146. struct bnx2x *bp = params->bp;
  1147. u32 xmac_base;
  1148. u32 pause_val, pfc0_val, pfc1_val;
  1149. /* XMAC base adrr */
  1150. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1151. /* Initialize pause and pfc registers */
  1152. pause_val = 0x18000;
  1153. pfc0_val = 0xFFFF8000;
  1154. pfc1_val = 0x2;
  1155. /* No PFC support */
  1156. if (!(params->feature_config_flags &
  1157. FEATURE_CONFIG_PFC_ENABLED)) {
  1158. /*
  1159. * RX flow control - Process pause frame in receive direction
  1160. */
  1161. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1162. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1163. /*
  1164. * TX flow control - Send pause packet when buffer is full
  1165. */
  1166. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1167. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1168. } else {/* PFC support */
  1169. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1170. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1171. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1172. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1173. }
  1174. /* Write pause and PFC registers */
  1175. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1177. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1178. /* Set MAC address for source TX Pause/PFC frames */
  1179. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1180. ((params->mac_addr[2] << 24) |
  1181. (params->mac_addr[3] << 16) |
  1182. (params->mac_addr[4] << 8) |
  1183. (params->mac_addr[5])));
  1184. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1185. ((params->mac_addr[0] << 8) |
  1186. (params->mac_addr[1])));
  1187. udelay(30);
  1188. }
  1189. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1190. u32 pfc_frames_sent[2],
  1191. u32 pfc_frames_received[2])
  1192. {
  1193. /* Read pfc statistic */
  1194. struct bnx2x *bp = params->bp;
  1195. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1196. u32 val_xon = 0;
  1197. u32 val_xoff = 0;
  1198. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1199. /* PFC received frames */
  1200. val_xoff = REG_RD(bp, emac_base +
  1201. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1202. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1203. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1204. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1205. pfc_frames_received[0] = val_xon + val_xoff;
  1206. /* PFC received sent */
  1207. val_xoff = REG_RD(bp, emac_base +
  1208. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1209. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1210. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1211. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1212. pfc_frames_sent[0] = val_xon + val_xoff;
  1213. }
  1214. /* Read pfc statistic*/
  1215. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1216. u32 pfc_frames_sent[2],
  1217. u32 pfc_frames_received[2])
  1218. {
  1219. /* Read pfc statistic */
  1220. struct bnx2x *bp = params->bp;
  1221. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1222. if (!vars->link_up)
  1223. return;
  1224. if (MAC_TYPE_EMAC == vars->mac_type) {
  1225. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1226. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1227. pfc_frames_received);
  1228. }
  1229. }
  1230. /******************************************************************/
  1231. /* MAC/PBF section */
  1232. /******************************************************************/
  1233. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1234. {
  1235. u32 mode, emac_base;
  1236. /**
  1237. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1238. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1239. */
  1240. if (CHIP_IS_E2(bp))
  1241. emac_base = GRCBASE_EMAC0;
  1242. else
  1243. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1244. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1245. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1246. EMAC_MDIO_MODE_CLOCK_CNT);
  1247. if (USES_WARPCORE(bp))
  1248. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1249. else
  1250. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1251. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1252. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1253. udelay(40);
  1254. }
  1255. static void bnx2x_emac_init(struct link_params *params,
  1256. struct link_vars *vars)
  1257. {
  1258. /* reset and unreset the emac core */
  1259. struct bnx2x *bp = params->bp;
  1260. u8 port = params->port;
  1261. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1262. u32 val;
  1263. u16 timeout;
  1264. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1265. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1266. udelay(5);
  1267. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1268. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1269. /* init emac - use read-modify-write */
  1270. /* self clear reset */
  1271. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1272. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1273. timeout = 200;
  1274. do {
  1275. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1276. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1277. if (!timeout) {
  1278. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1279. return;
  1280. }
  1281. timeout--;
  1282. } while (val & EMAC_MODE_RESET);
  1283. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1284. /* Set mac address */
  1285. val = ((params->mac_addr[0] << 8) |
  1286. params->mac_addr[1]);
  1287. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1288. val = ((params->mac_addr[2] << 24) |
  1289. (params->mac_addr[3] << 16) |
  1290. (params->mac_addr[4] << 8) |
  1291. params->mac_addr[5]);
  1292. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1293. }
  1294. static void bnx2x_set_xumac_nig(struct link_params *params,
  1295. u16 tx_pause_en,
  1296. u8 enable)
  1297. {
  1298. struct bnx2x *bp = params->bp;
  1299. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1300. enable);
  1301. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1302. enable);
  1303. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1304. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1305. }
  1306. static void bnx2x_umac_enable(struct link_params *params,
  1307. struct link_vars *vars, u8 lb)
  1308. {
  1309. u32 val;
  1310. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1311. struct bnx2x *bp = params->bp;
  1312. /* Reset UMAC */
  1313. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1314. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1315. usleep_range(1000, 1000);
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1317. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1318. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1319. /**
  1320. * This register determines on which events the MAC will assert
  1321. * error on the i/f to the NIG along w/ EOP.
  1322. */
  1323. /**
  1324. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1325. * params->port*0x14, 0xfffff.
  1326. */
  1327. /* This register opens the gate for the UMAC despite its name */
  1328. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1329. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1330. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1331. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1332. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1333. switch (vars->line_speed) {
  1334. case SPEED_10:
  1335. val |= (0<<2);
  1336. break;
  1337. case SPEED_100:
  1338. val |= (1<<2);
  1339. break;
  1340. case SPEED_1000:
  1341. val |= (2<<2);
  1342. break;
  1343. case SPEED_2500:
  1344. val |= (3<<2);
  1345. break;
  1346. default:
  1347. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1348. vars->line_speed);
  1349. break;
  1350. }
  1351. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1352. udelay(50);
  1353. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1354. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1355. ((params->mac_addr[2] << 24) |
  1356. (params->mac_addr[3] << 16) |
  1357. (params->mac_addr[4] << 8) |
  1358. (params->mac_addr[5])));
  1359. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1360. ((params->mac_addr[0] << 8) |
  1361. (params->mac_addr[1])));
  1362. /* Enable RX and TX */
  1363. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1364. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1365. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1366. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1367. udelay(50);
  1368. /* Remove SW Reset */
  1369. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1370. /* Check loopback mode */
  1371. if (lb)
  1372. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1373. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1374. /*
  1375. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1376. * length used by the MAC receive logic to check frames.
  1377. */
  1378. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1379. bnx2x_set_xumac_nig(params,
  1380. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1381. vars->mac_type = MAC_TYPE_UMAC;
  1382. }
  1383. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1384. {
  1385. u32 port4mode_ovwr_val;
  1386. /* Check 4-port override enabled */
  1387. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1388. if (port4mode_ovwr_val & (1<<0)) {
  1389. /* Return 4-port mode override value */
  1390. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1391. }
  1392. /* Return 4-port mode from input pin */
  1393. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1394. }
  1395. /* Define the XMAC mode */
  1396. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1397. {
  1398. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1399. /**
  1400. * In 4-port mode, need to set the mode only once, so if XMAC is
  1401. * already out of reset, it means the mode has already been set,
  1402. * and it must not* reset the XMAC again, since it controls both
  1403. * ports of the path
  1404. **/
  1405. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1406. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1407. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1408. " in 4-port mode\n");
  1409. return;
  1410. }
  1411. /* Hard reset */
  1412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1413. MISC_REGISTERS_RESET_REG_2_XMAC);
  1414. usleep_range(1000, 1000);
  1415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1416. MISC_REGISTERS_RESET_REG_2_XMAC);
  1417. if (is_port4mode) {
  1418. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1419. /* Set the number of ports on the system side to up to 2 */
  1420. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1421. /* Set the number of ports on the Warp Core to 10G */
  1422. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1423. } else {
  1424. /* Set the number of ports on the system side to 1 */
  1425. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1426. if (max_speed == SPEED_10000) {
  1427. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1428. " port per path\n");
  1429. /* Set the number of ports on the Warp Core to 10G */
  1430. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1431. } else {
  1432. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1433. " per path\n");
  1434. /* Set the number of ports on the Warp Core to 20G */
  1435. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1436. }
  1437. }
  1438. /* Soft reset */
  1439. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1440. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1441. usleep_range(1000, 1000);
  1442. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1443. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1444. }
  1445. static void bnx2x_xmac_disable(struct link_params *params)
  1446. {
  1447. u8 port = params->port;
  1448. struct bnx2x *bp = params->bp;
  1449. u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1450. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1451. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1452. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1453. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1454. usleep_range(1000, 1000);
  1455. bnx2x_set_xumac_nig(params, 0, 0);
  1456. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1457. XMAC_CTRL_REG_SOFT_RESET);
  1458. }
  1459. }
  1460. static int bnx2x_xmac_enable(struct link_params *params,
  1461. struct link_vars *vars, u8 lb)
  1462. {
  1463. u32 val, xmac_base;
  1464. struct bnx2x *bp = params->bp;
  1465. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1466. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1467. bnx2x_xmac_init(bp, vars->line_speed);
  1468. /*
  1469. * This register determines on which events the MAC will assert
  1470. * error on the i/f to the NIG along w/ EOP.
  1471. */
  1472. /*
  1473. * This register tells the NIG whether to send traffic to UMAC
  1474. * or XMAC
  1475. */
  1476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1477. /* Set Max packet size */
  1478. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1479. /* CRC append for Tx packets */
  1480. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1481. /* update PFC */
  1482. bnx2x_update_pfc_xmac(params, vars, 0);
  1483. /* Enable TX and RX */
  1484. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1485. /* Check loopback mode */
  1486. if (lb)
  1487. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1488. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1489. bnx2x_set_xumac_nig(params,
  1490. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1491. vars->mac_type = MAC_TYPE_XMAC;
  1492. return 0;
  1493. }
  1494. static int bnx2x_emac_enable(struct link_params *params,
  1495. struct link_vars *vars, u8 lb)
  1496. {
  1497. struct bnx2x *bp = params->bp;
  1498. u8 port = params->port;
  1499. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1500. u32 val;
  1501. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1502. /* enable emac and not bmac */
  1503. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1504. /* ASIC */
  1505. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1506. u32 ser_lane = ((params->lane_config &
  1507. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1508. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1509. DP(NETIF_MSG_LINK, "XGXS\n");
  1510. /* select the master lanes (out of 0-3) */
  1511. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1512. /* select XGXS */
  1513. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1514. } else { /* SerDes */
  1515. DP(NETIF_MSG_LINK, "SerDes\n");
  1516. /* select SerDes */
  1517. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1518. }
  1519. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1520. EMAC_RX_MODE_RESET);
  1521. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1522. EMAC_TX_MODE_RESET);
  1523. if (CHIP_REV_IS_SLOW(bp)) {
  1524. /* config GMII mode */
  1525. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1526. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1527. } else { /* ASIC */
  1528. /* pause enable/disable */
  1529. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1530. EMAC_RX_MODE_FLOW_EN);
  1531. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1532. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1533. EMAC_TX_MODE_FLOW_EN));
  1534. if (!(params->feature_config_flags &
  1535. FEATURE_CONFIG_PFC_ENABLED)) {
  1536. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1537. bnx2x_bits_en(bp, emac_base +
  1538. EMAC_REG_EMAC_RX_MODE,
  1539. EMAC_RX_MODE_FLOW_EN);
  1540. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1541. bnx2x_bits_en(bp, emac_base +
  1542. EMAC_REG_EMAC_TX_MODE,
  1543. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1544. EMAC_TX_MODE_FLOW_EN));
  1545. } else
  1546. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1547. EMAC_TX_MODE_FLOW_EN);
  1548. }
  1549. /* KEEP_VLAN_TAG, promiscuous */
  1550. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1551. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1552. /*
  1553. * Setting this bit causes MAC control frames (except for pause
  1554. * frames) to be passed on for processing. This setting has no
  1555. * affect on the operation of the pause frames. This bit effects
  1556. * all packets regardless of RX Parser packet sorting logic.
  1557. * Turn the PFC off to make sure we are in Xon state before
  1558. * enabling it.
  1559. */
  1560. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1561. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1562. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1563. /* Enable PFC again */
  1564. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1565. EMAC_REG_RX_PFC_MODE_RX_EN |
  1566. EMAC_REG_RX_PFC_MODE_TX_EN |
  1567. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1568. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1569. ((0x0101 <<
  1570. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1571. (0x00ff <<
  1572. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1573. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1574. }
  1575. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1576. /* Set Loopback */
  1577. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1578. if (lb)
  1579. val |= 0x810;
  1580. else
  1581. val &= ~0x810;
  1582. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1583. /* enable emac */
  1584. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1585. /* enable emac for jumbo packets */
  1586. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1587. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1588. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1589. /* strip CRC */
  1590. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1591. /* disable the NIG in/out to the bmac */
  1592. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1593. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1594. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1595. /* enable the NIG in/out to the emac */
  1596. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1597. val = 0;
  1598. if ((params->feature_config_flags &
  1599. FEATURE_CONFIG_PFC_ENABLED) ||
  1600. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1601. val = 1;
  1602. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1603. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1604. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1605. vars->mac_type = MAC_TYPE_EMAC;
  1606. return 0;
  1607. }
  1608. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1609. struct link_vars *vars)
  1610. {
  1611. u32 wb_data[2];
  1612. struct bnx2x *bp = params->bp;
  1613. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1614. NIG_REG_INGRESS_BMAC0_MEM;
  1615. u32 val = 0x14;
  1616. if ((!(params->feature_config_flags &
  1617. FEATURE_CONFIG_PFC_ENABLED)) &&
  1618. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1619. /* Enable BigMAC to react on received Pause packets */
  1620. val |= (1<<5);
  1621. wb_data[0] = val;
  1622. wb_data[1] = 0;
  1623. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1624. /* tx control */
  1625. val = 0xc0;
  1626. if (!(params->feature_config_flags &
  1627. FEATURE_CONFIG_PFC_ENABLED) &&
  1628. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1629. val |= 0x800000;
  1630. wb_data[0] = val;
  1631. wb_data[1] = 0;
  1632. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1633. }
  1634. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1635. struct link_vars *vars,
  1636. u8 is_lb)
  1637. {
  1638. /*
  1639. * Set rx control: Strip CRC and enable BigMAC to relay
  1640. * control packets to the system as well
  1641. */
  1642. u32 wb_data[2];
  1643. struct bnx2x *bp = params->bp;
  1644. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1645. NIG_REG_INGRESS_BMAC0_MEM;
  1646. u32 val = 0x14;
  1647. if ((!(params->feature_config_flags &
  1648. FEATURE_CONFIG_PFC_ENABLED)) &&
  1649. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1650. /* Enable BigMAC to react on received Pause packets */
  1651. val |= (1<<5);
  1652. wb_data[0] = val;
  1653. wb_data[1] = 0;
  1654. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1655. udelay(30);
  1656. /* Tx control */
  1657. val = 0xc0;
  1658. if (!(params->feature_config_flags &
  1659. FEATURE_CONFIG_PFC_ENABLED) &&
  1660. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1661. val |= 0x800000;
  1662. wb_data[0] = val;
  1663. wb_data[1] = 0;
  1664. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1665. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1666. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1667. /* Enable PFC RX & TX & STATS and set 8 COS */
  1668. wb_data[0] = 0x0;
  1669. wb_data[0] |= (1<<0); /* RX */
  1670. wb_data[0] |= (1<<1); /* TX */
  1671. wb_data[0] |= (1<<2); /* Force initial Xon */
  1672. wb_data[0] |= (1<<3); /* 8 cos */
  1673. wb_data[0] |= (1<<5); /* STATS */
  1674. wb_data[1] = 0;
  1675. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1676. wb_data, 2);
  1677. /* Clear the force Xon */
  1678. wb_data[0] &= ~(1<<2);
  1679. } else {
  1680. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1681. /* disable PFC RX & TX & STATS and set 8 COS */
  1682. wb_data[0] = 0x8;
  1683. wb_data[1] = 0;
  1684. }
  1685. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1686. /*
  1687. * Set Time (based unit is 512 bit time) between automatic
  1688. * re-sending of PP packets amd enable automatic re-send of
  1689. * Per-Priroity Packet as long as pp_gen is asserted and
  1690. * pp_disable is low.
  1691. */
  1692. val = 0x8000;
  1693. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1694. val |= (1<<16); /* enable automatic re-send */
  1695. wb_data[0] = val;
  1696. wb_data[1] = 0;
  1697. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1698. wb_data, 2);
  1699. /* mac control */
  1700. val = 0x3; /* Enable RX and TX */
  1701. if (is_lb) {
  1702. val |= 0x4; /* Local loopback */
  1703. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1704. }
  1705. /* When PFC enabled, Pass pause frames towards the NIG. */
  1706. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1707. val |= ((1<<6)|(1<<5));
  1708. wb_data[0] = val;
  1709. wb_data[1] = 0;
  1710. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1711. }
  1712. /* PFC BRB internal port configuration params */
  1713. struct bnx2x_pfc_brb_threshold_val {
  1714. u32 pause_xoff;
  1715. u32 pause_xon;
  1716. u32 full_xoff;
  1717. u32 full_xon;
  1718. };
  1719. struct bnx2x_pfc_brb_e3b0_val {
  1720. u32 full_lb_xoff_th;
  1721. u32 full_lb_xon_threshold;
  1722. u32 lb_guarantied;
  1723. u32 mac_0_class_t_guarantied;
  1724. u32 mac_0_class_t_guarantied_hyst;
  1725. u32 mac_1_class_t_guarantied;
  1726. u32 mac_1_class_t_guarantied_hyst;
  1727. };
  1728. struct bnx2x_pfc_brb_th_val {
  1729. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1730. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1731. };
  1732. static int bnx2x_pfc_brb_get_config_params(
  1733. struct link_params *params,
  1734. struct bnx2x_pfc_brb_th_val *config_val)
  1735. {
  1736. struct bnx2x *bp = params->bp;
  1737. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1738. if (CHIP_IS_E2(bp)) {
  1739. config_val->pauseable_th.pause_xoff =
  1740. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1741. config_val->pauseable_th.pause_xon =
  1742. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1743. config_val->pauseable_th.full_xoff =
  1744. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1745. config_val->pauseable_th.full_xon =
  1746. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1747. /* non pause able*/
  1748. config_val->non_pauseable_th.pause_xoff =
  1749. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1750. config_val->non_pauseable_th.pause_xon =
  1751. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1752. config_val->non_pauseable_th.full_xoff =
  1753. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1754. config_val->non_pauseable_th.full_xon =
  1755. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1756. } else if (CHIP_IS_E3A0(bp)) {
  1757. config_val->pauseable_th.pause_xoff =
  1758. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1759. config_val->pauseable_th.pause_xon =
  1760. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1761. config_val->pauseable_th.full_xoff =
  1762. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1763. config_val->pauseable_th.full_xon =
  1764. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1765. /* non pause able*/
  1766. config_val->non_pauseable_th.pause_xoff =
  1767. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1768. config_val->non_pauseable_th.pause_xon =
  1769. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1770. config_val->non_pauseable_th.full_xoff =
  1771. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1772. config_val->non_pauseable_th.full_xon =
  1773. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1774. } else if (CHIP_IS_E3B0(bp)) {
  1775. if (params->phy[INT_PHY].flags &
  1776. FLAGS_4_PORT_MODE) {
  1777. config_val->pauseable_th.pause_xoff =
  1778. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1779. config_val->pauseable_th.pause_xon =
  1780. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1781. config_val->pauseable_th.full_xoff =
  1782. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1783. config_val->pauseable_th.full_xon =
  1784. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1785. /* non pause able*/
  1786. config_val->non_pauseable_th.pause_xoff =
  1787. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1788. config_val->non_pauseable_th.pause_xon =
  1789. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1790. config_val->non_pauseable_th.full_xoff =
  1791. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.full_xon =
  1793. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1794. } else {
  1795. config_val->pauseable_th.pause_xoff =
  1796. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1797. config_val->pauseable_th.pause_xon =
  1798. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1799. config_val->pauseable_th.full_xoff =
  1800. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1801. config_val->pauseable_th.full_xon =
  1802. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1803. /* non pause able*/
  1804. config_val->non_pauseable_th.pause_xoff =
  1805. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1806. config_val->non_pauseable_th.pause_xon =
  1807. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1808. config_val->non_pauseable_th.full_xoff =
  1809. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1810. config_val->non_pauseable_th.full_xon =
  1811. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1812. }
  1813. } else
  1814. return -EINVAL;
  1815. return 0;
  1816. }
  1817. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1818. struct bnx2x_pfc_brb_e3b0_val
  1819. *e3b0_val,
  1820. u32 cos0_pauseable,
  1821. u32 cos1_pauseable)
  1822. {
  1823. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1824. e3b0_val->full_lb_xoff_th =
  1825. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1826. e3b0_val->full_lb_xon_threshold =
  1827. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1828. e3b0_val->lb_guarantied =
  1829. PFC_E3B0_4P_LB_GUART;
  1830. e3b0_val->mac_0_class_t_guarantied =
  1831. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1832. e3b0_val->mac_0_class_t_guarantied_hyst =
  1833. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1834. e3b0_val->mac_1_class_t_guarantied =
  1835. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1836. e3b0_val->mac_1_class_t_guarantied_hyst =
  1837. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1838. } else {
  1839. e3b0_val->full_lb_xoff_th =
  1840. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1841. e3b0_val->full_lb_xon_threshold =
  1842. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1843. e3b0_val->mac_0_class_t_guarantied_hyst =
  1844. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1845. e3b0_val->mac_1_class_t_guarantied =
  1846. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1847. e3b0_val->mac_1_class_t_guarantied_hyst =
  1848. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1849. if (cos0_pauseable != cos1_pauseable) {
  1850. /* nonpauseable= Lossy + pauseable = Lossless*/
  1851. e3b0_val->lb_guarantied =
  1852. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1853. e3b0_val->mac_0_class_t_guarantied =
  1854. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1855. } else if (cos0_pauseable) {
  1856. /* Lossless +Lossless*/
  1857. e3b0_val->lb_guarantied =
  1858. PFC_E3B0_2P_PAUSE_LB_GUART;
  1859. e3b0_val->mac_0_class_t_guarantied =
  1860. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1861. } else {
  1862. /* Lossy +Lossy*/
  1863. e3b0_val->lb_guarantied =
  1864. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1865. e3b0_val->mac_0_class_t_guarantied =
  1866. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1867. }
  1868. }
  1869. }
  1870. static int bnx2x_update_pfc_brb(struct link_params *params,
  1871. struct link_vars *vars,
  1872. struct bnx2x_nig_brb_pfc_port_params
  1873. *pfc_params)
  1874. {
  1875. struct bnx2x *bp = params->bp;
  1876. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1877. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1878. &config_val.pauseable_th;
  1879. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1880. int set_pfc = params->feature_config_flags &
  1881. FEATURE_CONFIG_PFC_ENABLED;
  1882. int bnx2x_status = 0;
  1883. u8 port = params->port;
  1884. /* default - pause configuration */
  1885. reg_th_config = &config_val.pauseable_th;
  1886. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1887. if (0 != bnx2x_status)
  1888. return bnx2x_status;
  1889. if (set_pfc && pfc_params)
  1890. /* First COS */
  1891. if (!pfc_params->cos0_pauseable)
  1892. reg_th_config = &config_val.non_pauseable_th;
  1893. /*
  1894. * The number of free blocks below which the pause signal to class 0
  1895. * of MAC #n is asserted. n=0,1
  1896. */
  1897. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1898. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1899. reg_th_config->pause_xoff);
  1900. /*
  1901. * The number of free blocks above which the pause signal to class 0
  1902. * of MAC #n is de-asserted. n=0,1
  1903. */
  1904. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1905. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1906. /*
  1907. * The number of free blocks below which the full signal to class 0
  1908. * of MAC #n is asserted. n=0,1
  1909. */
  1910. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1911. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1912. /*
  1913. * The number of free blocks above which the full signal to class 0
  1914. * of MAC #n is de-asserted. n=0,1
  1915. */
  1916. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1917. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1918. if (set_pfc && pfc_params) {
  1919. /* Second COS */
  1920. if (pfc_params->cos1_pauseable)
  1921. reg_th_config = &config_val.pauseable_th;
  1922. else
  1923. reg_th_config = &config_val.non_pauseable_th;
  1924. /*
  1925. * The number of free blocks below which the pause signal to
  1926. * class 1 of MAC #n is asserted. n=0,1
  1927. **/
  1928. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1929. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1930. reg_th_config->pause_xoff);
  1931. /*
  1932. * The number of free blocks above which the pause signal to
  1933. * class 1 of MAC #n is de-asserted. n=0,1
  1934. */
  1935. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1936. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1937. reg_th_config->pause_xon);
  1938. /*
  1939. * The number of free blocks below which the full signal to
  1940. * class 1 of MAC #n is asserted. n=0,1
  1941. */
  1942. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1943. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1944. reg_th_config->full_xoff);
  1945. /*
  1946. * The number of free blocks above which the full signal to
  1947. * class 1 of MAC #n is de-asserted. n=0,1
  1948. */
  1949. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1950. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1951. reg_th_config->full_xon);
  1952. if (CHIP_IS_E3B0(bp)) {
  1953. /*Should be done by init tool */
  1954. /*
  1955. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1956. * reset value
  1957. * 944
  1958. */
  1959. /**
  1960. * The hysteresis on the guarantied buffer space for the Lb port
  1961. * before signaling XON.
  1962. **/
  1963. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1964. bnx2x_pfc_brb_get_e3b0_config_params(
  1965. params,
  1966. &e3b0_val,
  1967. pfc_params->cos0_pauseable,
  1968. pfc_params->cos1_pauseable);
  1969. /**
  1970. * The number of free blocks below which the full signal to the
  1971. * LB port is asserted.
  1972. */
  1973. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1974. e3b0_val.full_lb_xoff_th);
  1975. /**
  1976. * The number of free blocks above which the full signal to the
  1977. * LB port is de-asserted.
  1978. */
  1979. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1980. e3b0_val.full_lb_xon_threshold);
  1981. /**
  1982. * The number of blocks guarantied for the MAC #n port. n=0,1
  1983. */
  1984. /*The number of blocks guarantied for the LB port.*/
  1985. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  1986. e3b0_val.lb_guarantied);
  1987. /**
  1988. * The number of blocks guarantied for the MAC #n port.
  1989. */
  1990. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  1991. 2 * e3b0_val.mac_0_class_t_guarantied);
  1992. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  1993. 2 * e3b0_val.mac_1_class_t_guarantied);
  1994. /**
  1995. * The number of blocks guarantied for class #t in MAC0. t=0,1
  1996. */
  1997. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  1998. e3b0_val.mac_0_class_t_guarantied);
  1999. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2000. e3b0_val.mac_0_class_t_guarantied);
  2001. /**
  2002. * The hysteresis on the guarantied buffer space for class in
  2003. * MAC0. t=0,1
  2004. */
  2005. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2006. e3b0_val.mac_0_class_t_guarantied_hyst);
  2007. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2008. e3b0_val.mac_0_class_t_guarantied_hyst);
  2009. /**
  2010. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2011. */
  2012. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2013. e3b0_val.mac_1_class_t_guarantied);
  2014. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2015. e3b0_val.mac_1_class_t_guarantied);
  2016. /**
  2017. * The hysteresis on the guarantied buffer space for class #t
  2018. * in MAC1. t=0,1
  2019. */
  2020. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2021. e3b0_val.mac_1_class_t_guarantied_hyst);
  2022. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2023. e3b0_val.mac_1_class_t_guarantied_hyst);
  2024. }
  2025. }
  2026. return bnx2x_status;
  2027. }
  2028. /******************************************************************************
  2029. * Description:
  2030. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2031. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2032. ******************************************************************************/
  2033. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2034. u8 cos_entry,
  2035. u32 priority_mask, u8 port)
  2036. {
  2037. u32 nig_reg_rx_priority_mask_add = 0;
  2038. switch (cos_entry) {
  2039. case 0:
  2040. nig_reg_rx_priority_mask_add = (port) ?
  2041. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2042. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2043. break;
  2044. case 1:
  2045. nig_reg_rx_priority_mask_add = (port) ?
  2046. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2047. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2048. break;
  2049. case 2:
  2050. nig_reg_rx_priority_mask_add = (port) ?
  2051. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2052. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2053. break;
  2054. case 3:
  2055. if (port)
  2056. return -EINVAL;
  2057. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2058. break;
  2059. case 4:
  2060. if (port)
  2061. return -EINVAL;
  2062. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2063. break;
  2064. case 5:
  2065. if (port)
  2066. return -EINVAL;
  2067. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2068. break;
  2069. }
  2070. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2071. return 0;
  2072. }
  2073. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2074. {
  2075. struct bnx2x *bp = params->bp;
  2076. REG_WR(bp, params->shmem_base +
  2077. offsetof(struct shmem_region,
  2078. port_mb[params->port].link_status), link_status);
  2079. }
  2080. static void bnx2x_update_pfc_nig(struct link_params *params,
  2081. struct link_vars *vars,
  2082. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2083. {
  2084. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2085. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2086. u32 pkt_priority_to_cos = 0;
  2087. struct bnx2x *bp = params->bp;
  2088. u8 port = params->port;
  2089. int set_pfc = params->feature_config_flags &
  2090. FEATURE_CONFIG_PFC_ENABLED;
  2091. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2092. /*
  2093. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2094. * MAC control frames (that are not pause packets)
  2095. * will be forwarded to the XCM.
  2096. */
  2097. xcm_mask = REG_RD(bp,
  2098. port ? NIG_REG_LLH1_XCM_MASK :
  2099. NIG_REG_LLH0_XCM_MASK);
  2100. /*
  2101. * nig params will override non PFC params, since it's possible to
  2102. * do transition from PFC to SAFC
  2103. */
  2104. if (set_pfc) {
  2105. pause_enable = 0;
  2106. llfc_out_en = 0;
  2107. llfc_enable = 0;
  2108. if (CHIP_IS_E3(bp))
  2109. ppp_enable = 0;
  2110. else
  2111. ppp_enable = 1;
  2112. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2113. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2114. xcm0_out_en = 0;
  2115. p0_hwpfc_enable = 1;
  2116. } else {
  2117. if (nig_params) {
  2118. llfc_out_en = nig_params->llfc_out_en;
  2119. llfc_enable = nig_params->llfc_enable;
  2120. pause_enable = nig_params->pause_enable;
  2121. } else /*defaul non PFC mode - PAUSE */
  2122. pause_enable = 1;
  2123. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2124. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2125. xcm0_out_en = 1;
  2126. }
  2127. if (CHIP_IS_E3(bp))
  2128. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2129. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2130. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2131. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2132. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2133. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2134. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2135. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2136. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2137. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2138. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2139. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2140. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2141. /* output enable for RX_XCM # IF */
  2142. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2143. /* HW PFC TX enable */
  2144. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2145. if (nig_params) {
  2146. u8 i = 0;
  2147. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2148. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2149. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2150. nig_params->rx_cos_priority_mask[i], port);
  2151. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2152. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2153. nig_params->llfc_high_priority_classes);
  2154. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2155. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2156. nig_params->llfc_low_priority_classes);
  2157. }
  2158. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2159. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2160. pkt_priority_to_cos);
  2161. }
  2162. int bnx2x_update_pfc(struct link_params *params,
  2163. struct link_vars *vars,
  2164. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2165. {
  2166. /*
  2167. * The PFC and pause are orthogonal to one another, meaning when
  2168. * PFC is enabled, the pause are disabled, and when PFC is
  2169. * disabled, pause are set according to the pause result.
  2170. */
  2171. u32 val;
  2172. struct bnx2x *bp = params->bp;
  2173. int bnx2x_status = 0;
  2174. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2175. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2176. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2177. else
  2178. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2179. bnx2x_update_mng(params, vars->link_status);
  2180. /* update NIG params */
  2181. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2182. /* update BRB params */
  2183. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2184. if (0 != bnx2x_status)
  2185. return bnx2x_status;
  2186. if (!vars->link_up)
  2187. return bnx2x_status;
  2188. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2189. if (CHIP_IS_E3(bp))
  2190. bnx2x_update_pfc_xmac(params, vars, 0);
  2191. else {
  2192. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2193. if ((val &
  2194. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2195. == 0) {
  2196. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2197. bnx2x_emac_enable(params, vars, 0);
  2198. return bnx2x_status;
  2199. }
  2200. if (CHIP_IS_E2(bp))
  2201. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2202. else
  2203. bnx2x_update_pfc_bmac1(params, vars);
  2204. val = 0;
  2205. if ((params->feature_config_flags &
  2206. FEATURE_CONFIG_PFC_ENABLED) ||
  2207. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2208. val = 1;
  2209. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2210. }
  2211. return bnx2x_status;
  2212. }
  2213. static int bnx2x_bmac1_enable(struct link_params *params,
  2214. struct link_vars *vars,
  2215. u8 is_lb)
  2216. {
  2217. struct bnx2x *bp = params->bp;
  2218. u8 port = params->port;
  2219. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2220. NIG_REG_INGRESS_BMAC0_MEM;
  2221. u32 wb_data[2];
  2222. u32 val;
  2223. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2224. /* XGXS control */
  2225. wb_data[0] = 0x3c;
  2226. wb_data[1] = 0;
  2227. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2228. wb_data, 2);
  2229. /* tx MAC SA */
  2230. wb_data[0] = ((params->mac_addr[2] << 24) |
  2231. (params->mac_addr[3] << 16) |
  2232. (params->mac_addr[4] << 8) |
  2233. params->mac_addr[5]);
  2234. wb_data[1] = ((params->mac_addr[0] << 8) |
  2235. params->mac_addr[1]);
  2236. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2237. /* mac control */
  2238. val = 0x3;
  2239. if (is_lb) {
  2240. val |= 0x4;
  2241. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2242. }
  2243. wb_data[0] = val;
  2244. wb_data[1] = 0;
  2245. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2246. /* set rx mtu */
  2247. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2248. wb_data[1] = 0;
  2249. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2250. bnx2x_update_pfc_bmac1(params, vars);
  2251. /* set tx mtu */
  2252. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2253. wb_data[1] = 0;
  2254. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2255. /* set cnt max size */
  2256. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2257. wb_data[1] = 0;
  2258. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2259. /* configure safc */
  2260. wb_data[0] = 0x1000200;
  2261. wb_data[1] = 0;
  2262. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2263. wb_data, 2);
  2264. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2265. REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
  2266. wb_data, 2);
  2267. if (wb_data[0] > 0)
  2268. return -ESRCH;
  2269. }
  2270. return 0;
  2271. }
  2272. static int bnx2x_bmac2_enable(struct link_params *params,
  2273. struct link_vars *vars,
  2274. u8 is_lb)
  2275. {
  2276. struct bnx2x *bp = params->bp;
  2277. u8 port = params->port;
  2278. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2279. NIG_REG_INGRESS_BMAC0_MEM;
  2280. u32 wb_data[2];
  2281. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2282. wb_data[0] = 0;
  2283. wb_data[1] = 0;
  2284. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2285. udelay(30);
  2286. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2287. wb_data[0] = 0x3c;
  2288. wb_data[1] = 0;
  2289. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2290. wb_data, 2);
  2291. udelay(30);
  2292. /* tx MAC SA */
  2293. wb_data[0] = ((params->mac_addr[2] << 24) |
  2294. (params->mac_addr[3] << 16) |
  2295. (params->mac_addr[4] << 8) |
  2296. params->mac_addr[5]);
  2297. wb_data[1] = ((params->mac_addr[0] << 8) |
  2298. params->mac_addr[1]);
  2299. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2300. wb_data, 2);
  2301. udelay(30);
  2302. /* Configure SAFC */
  2303. wb_data[0] = 0x1000200;
  2304. wb_data[1] = 0;
  2305. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2306. wb_data, 2);
  2307. udelay(30);
  2308. /* set rx mtu */
  2309. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2310. wb_data[1] = 0;
  2311. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2312. udelay(30);
  2313. /* set tx mtu */
  2314. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2315. wb_data[1] = 0;
  2316. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2317. udelay(30);
  2318. /* set cnt max size */
  2319. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2320. wb_data[1] = 0;
  2321. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2322. udelay(30);
  2323. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2324. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2325. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
  2326. wb_data, 2);
  2327. if (wb_data[0] > 0) {
  2328. DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
  2329. wb_data[0]);
  2330. return -ESRCH;
  2331. }
  2332. }
  2333. return 0;
  2334. }
  2335. static int bnx2x_bmac_enable(struct link_params *params,
  2336. struct link_vars *vars,
  2337. u8 is_lb)
  2338. {
  2339. int rc = 0;
  2340. u8 port = params->port;
  2341. struct bnx2x *bp = params->bp;
  2342. u32 val;
  2343. /* reset and unreset the BigMac */
  2344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2345. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2346. msleep(1);
  2347. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2348. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2349. /* enable access for bmac registers */
  2350. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2351. /* Enable BMAC according to BMAC type*/
  2352. if (CHIP_IS_E2(bp))
  2353. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2354. else
  2355. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2356. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2357. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2358. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2359. val = 0;
  2360. if ((params->feature_config_flags &
  2361. FEATURE_CONFIG_PFC_ENABLED) ||
  2362. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2363. val = 1;
  2364. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2365. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2366. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2369. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2370. vars->mac_type = MAC_TYPE_BMAC;
  2371. return rc;
  2372. }
  2373. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2374. {
  2375. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2376. NIG_REG_INGRESS_BMAC0_MEM;
  2377. u32 wb_data[2];
  2378. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2379. /* Only if the bmac is out of reset */
  2380. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2381. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2382. nig_bmac_enable) {
  2383. if (CHIP_IS_E2(bp)) {
  2384. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2385. REG_RD_DMAE(bp, bmac_addr +
  2386. BIGMAC2_REGISTER_BMAC_CONTROL,
  2387. wb_data, 2);
  2388. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2389. REG_WR_DMAE(bp, bmac_addr +
  2390. BIGMAC2_REGISTER_BMAC_CONTROL,
  2391. wb_data, 2);
  2392. } else {
  2393. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2394. REG_RD_DMAE(bp, bmac_addr +
  2395. BIGMAC_REGISTER_BMAC_CONTROL,
  2396. wb_data, 2);
  2397. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2398. REG_WR_DMAE(bp, bmac_addr +
  2399. BIGMAC_REGISTER_BMAC_CONTROL,
  2400. wb_data, 2);
  2401. }
  2402. msleep(1);
  2403. }
  2404. }
  2405. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2406. u32 line_speed)
  2407. {
  2408. struct bnx2x *bp = params->bp;
  2409. u8 port = params->port;
  2410. u32 init_crd, crd;
  2411. u32 count = 1000;
  2412. /* disable port */
  2413. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2414. /* wait for init credit */
  2415. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2416. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2417. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2418. while ((init_crd != crd) && count) {
  2419. msleep(5);
  2420. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2421. count--;
  2422. }
  2423. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2424. if (init_crd != crd) {
  2425. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2426. init_crd, crd);
  2427. return -EINVAL;
  2428. }
  2429. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2430. line_speed == SPEED_10 ||
  2431. line_speed == SPEED_100 ||
  2432. line_speed == SPEED_1000 ||
  2433. line_speed == SPEED_2500) {
  2434. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2435. /* update threshold */
  2436. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2437. /* update init credit */
  2438. init_crd = 778; /* (800-18-4) */
  2439. } else {
  2440. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2441. ETH_OVREHEAD)/16;
  2442. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2443. /* update threshold */
  2444. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2445. /* update init credit */
  2446. switch (line_speed) {
  2447. case SPEED_10000:
  2448. init_crd = thresh + 553 - 22;
  2449. break;
  2450. default:
  2451. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2452. line_speed);
  2453. return -EINVAL;
  2454. }
  2455. }
  2456. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2457. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2458. line_speed, init_crd);
  2459. /* probe the credit changes */
  2460. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2461. msleep(5);
  2462. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2463. /* enable port */
  2464. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2465. return 0;
  2466. }
  2467. /**
  2468. * bnx2x_get_emac_base - retrive emac base address
  2469. *
  2470. * @bp: driver handle
  2471. * @mdc_mdio_access: access type
  2472. * @port: port id
  2473. *
  2474. * This function selects the MDC/MDIO access (through emac0 or
  2475. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2476. * phy has a default access mode, which could also be overridden
  2477. * by nvram configuration. This parameter, whether this is the
  2478. * default phy configuration, or the nvram overrun
  2479. * configuration, is passed here as mdc_mdio_access and selects
  2480. * the emac_base for the CL45 read/writes operations
  2481. */
  2482. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2483. u32 mdc_mdio_access, u8 port)
  2484. {
  2485. u32 emac_base = 0;
  2486. switch (mdc_mdio_access) {
  2487. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2488. break;
  2489. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2490. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2491. emac_base = GRCBASE_EMAC1;
  2492. else
  2493. emac_base = GRCBASE_EMAC0;
  2494. break;
  2495. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2496. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2497. emac_base = GRCBASE_EMAC0;
  2498. else
  2499. emac_base = GRCBASE_EMAC1;
  2500. break;
  2501. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2502. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2503. break;
  2504. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2505. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2506. break;
  2507. default:
  2508. break;
  2509. }
  2510. return emac_base;
  2511. }
  2512. /******************************************************************/
  2513. /* CL22 access functions */
  2514. /******************************************************************/
  2515. static int bnx2x_cl22_write(struct bnx2x *bp,
  2516. struct bnx2x_phy *phy,
  2517. u16 reg, u16 val)
  2518. {
  2519. u32 tmp, mode;
  2520. u8 i;
  2521. int rc = 0;
  2522. /* Switch to CL22 */
  2523. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2524. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2525. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2526. /* address */
  2527. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2528. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2529. EMAC_MDIO_COMM_START_BUSY);
  2530. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2531. for (i = 0; i < 50; i++) {
  2532. udelay(10);
  2533. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2534. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2535. udelay(5);
  2536. break;
  2537. }
  2538. }
  2539. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2540. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2541. rc = -EFAULT;
  2542. }
  2543. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2544. return rc;
  2545. }
  2546. static int bnx2x_cl22_read(struct bnx2x *bp,
  2547. struct bnx2x_phy *phy,
  2548. u16 reg, u16 *ret_val)
  2549. {
  2550. u32 val, mode;
  2551. u16 i;
  2552. int rc = 0;
  2553. /* Switch to CL22 */
  2554. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2555. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2556. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2557. /* address */
  2558. val = ((phy->addr << 21) | (reg << 16) |
  2559. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2560. EMAC_MDIO_COMM_START_BUSY);
  2561. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2562. for (i = 0; i < 50; i++) {
  2563. udelay(10);
  2564. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2565. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2566. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2567. udelay(5);
  2568. break;
  2569. }
  2570. }
  2571. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2572. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2573. *ret_val = 0;
  2574. rc = -EFAULT;
  2575. }
  2576. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2577. return rc;
  2578. }
  2579. /******************************************************************/
  2580. /* CL45 access functions */
  2581. /******************************************************************/
  2582. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2583. u8 devad, u16 reg, u16 *ret_val)
  2584. {
  2585. u32 val;
  2586. u16 i;
  2587. int rc = 0;
  2588. /* 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. return rc;
  2637. }
  2638. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2639. u8 devad, u16 reg, u16 val)
  2640. {
  2641. u32 tmp;
  2642. u8 i;
  2643. int rc = 0;
  2644. /* address */
  2645. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2646. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2647. EMAC_MDIO_COMM_START_BUSY);
  2648. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2649. for (i = 0; i < 50; i++) {
  2650. udelay(10);
  2651. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2652. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2653. udelay(5);
  2654. break;
  2655. }
  2656. }
  2657. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2658. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2659. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2660. rc = -EFAULT;
  2661. } else {
  2662. /* data */
  2663. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2664. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2665. EMAC_MDIO_COMM_START_BUSY);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2667. for (i = 0; i < 50; i++) {
  2668. udelay(10);
  2669. tmp = REG_RD(bp, phy->mdio_ctrl +
  2670. EMAC_REG_EMAC_MDIO_COMM);
  2671. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2672. udelay(5);
  2673. break;
  2674. }
  2675. }
  2676. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2677. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2678. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2679. rc = -EFAULT;
  2680. }
  2681. }
  2682. /* Work around for E3 A0 */
  2683. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2684. phy->flags ^= FLAGS_DUMMY_READ;
  2685. if (phy->flags & FLAGS_DUMMY_READ) {
  2686. u16 temp_val;
  2687. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2688. }
  2689. }
  2690. return rc;
  2691. }
  2692. /******************************************************************/
  2693. /* BSC access functions from E3 */
  2694. /******************************************************************/
  2695. static void bnx2x_bsc_module_sel(struct link_params *params)
  2696. {
  2697. int idx;
  2698. u32 board_cfg, sfp_ctrl;
  2699. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2700. struct bnx2x *bp = params->bp;
  2701. u8 port = params->port;
  2702. /* Read I2C output PINs */
  2703. board_cfg = REG_RD(bp, params->shmem_base +
  2704. offsetof(struct shmem_region,
  2705. dev_info.shared_hw_config.board));
  2706. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2707. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2708. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2709. /* Read I2C output value */
  2710. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2711. offsetof(struct shmem_region,
  2712. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2713. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2714. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2715. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2716. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2717. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2718. }
  2719. static int bnx2x_bsc_read(struct link_params *params,
  2720. struct bnx2x_phy *phy,
  2721. u8 sl_devid,
  2722. u16 sl_addr,
  2723. u8 lc_addr,
  2724. u8 xfer_cnt,
  2725. u32 *data_array)
  2726. {
  2727. u32 val, i;
  2728. int rc = 0;
  2729. struct bnx2x *bp = params->bp;
  2730. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2731. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2732. return -EINVAL;
  2733. }
  2734. if (xfer_cnt > 16) {
  2735. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2736. xfer_cnt);
  2737. return -EINVAL;
  2738. }
  2739. bnx2x_bsc_module_sel(params);
  2740. xfer_cnt = 16 - lc_addr;
  2741. /* enable the engine */
  2742. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2743. val |= MCPR_IMC_COMMAND_ENABLE;
  2744. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2745. /* program slave device ID */
  2746. val = (sl_devid << 16) | sl_addr;
  2747. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2748. /* start xfer with 0 byte to update the address pointer ???*/
  2749. val = (MCPR_IMC_COMMAND_ENABLE) |
  2750. (MCPR_IMC_COMMAND_WRITE_OP <<
  2751. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2752. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2753. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2754. /* poll for completion */
  2755. i = 0;
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2758. udelay(10);
  2759. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2760. if (i++ > 1000) {
  2761. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2762. i);
  2763. rc = -EFAULT;
  2764. break;
  2765. }
  2766. }
  2767. if (rc == -EFAULT)
  2768. return rc;
  2769. /* start xfer with read op */
  2770. val = (MCPR_IMC_COMMAND_ENABLE) |
  2771. (MCPR_IMC_COMMAND_READ_OP <<
  2772. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2773. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2774. (xfer_cnt);
  2775. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2776. /* poll for completion */
  2777. i = 0;
  2778. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2779. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2780. udelay(10);
  2781. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2782. if (i++ > 1000) {
  2783. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2784. rc = -EFAULT;
  2785. break;
  2786. }
  2787. }
  2788. if (rc == -EFAULT)
  2789. return rc;
  2790. for (i = (lc_addr >> 2); i < 4; i++) {
  2791. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2792. #ifdef __BIG_ENDIAN
  2793. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2794. ((data_array[i] & 0x0000ff00) << 8) |
  2795. ((data_array[i] & 0x00ff0000) >> 8) |
  2796. ((data_array[i] & 0xff000000) >> 24);
  2797. #endif
  2798. }
  2799. return rc;
  2800. }
  2801. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2802. u8 devad, u16 reg, u16 or_val)
  2803. {
  2804. u16 val;
  2805. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2806. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2807. }
  2808. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2809. u8 devad, u16 reg, u16 *ret_val)
  2810. {
  2811. u8 phy_index;
  2812. /*
  2813. * Probe for the phy according to the given phy_addr, and execute
  2814. * the read request on it
  2815. */
  2816. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2817. if (params->phy[phy_index].addr == phy_addr) {
  2818. return bnx2x_cl45_read(params->bp,
  2819. &params->phy[phy_index], devad,
  2820. reg, ret_val);
  2821. }
  2822. }
  2823. return -EINVAL;
  2824. }
  2825. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2826. u8 devad, u16 reg, u16 val)
  2827. {
  2828. u8 phy_index;
  2829. /*
  2830. * Probe for the phy according to the given phy_addr, and execute
  2831. * the write request on it
  2832. */
  2833. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2834. if (params->phy[phy_index].addr == phy_addr) {
  2835. return bnx2x_cl45_write(params->bp,
  2836. &params->phy[phy_index], devad,
  2837. reg, val);
  2838. }
  2839. }
  2840. return -EINVAL;
  2841. }
  2842. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2843. struct link_params *params)
  2844. {
  2845. u8 lane = 0;
  2846. struct bnx2x *bp = params->bp;
  2847. u32 path_swap, path_swap_ovr;
  2848. u8 path, port;
  2849. path = BP_PATH(bp);
  2850. port = params->port;
  2851. if (bnx2x_is_4_port_mode(bp)) {
  2852. u32 port_swap, port_swap_ovr;
  2853. /*figure out path swap value */
  2854. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2855. if (path_swap_ovr & 0x1)
  2856. path_swap = (path_swap_ovr & 0x2);
  2857. else
  2858. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2859. if (path_swap)
  2860. path = path ^ 1;
  2861. /*figure out port swap value */
  2862. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2863. if (port_swap_ovr & 0x1)
  2864. port_swap = (port_swap_ovr & 0x2);
  2865. else
  2866. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2867. if (port_swap)
  2868. port = port ^ 1;
  2869. lane = (port<<1) + path;
  2870. } else { /* two port mode - no port swap */
  2871. /*figure out path swap value */
  2872. path_swap_ovr =
  2873. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2874. if (path_swap_ovr & 0x1) {
  2875. path_swap = (path_swap_ovr & 0x2);
  2876. } else {
  2877. path_swap =
  2878. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2879. }
  2880. if (path_swap)
  2881. path = path ^ 1;
  2882. lane = path << 1 ;
  2883. }
  2884. return lane;
  2885. }
  2886. static void bnx2x_set_aer_mmd(struct link_params *params,
  2887. struct bnx2x_phy *phy)
  2888. {
  2889. u32 ser_lane;
  2890. u16 offset, aer_val;
  2891. struct bnx2x *bp = params->bp;
  2892. ser_lane = ((params->lane_config &
  2893. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2894. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2895. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2896. (phy->addr + ser_lane) : 0;
  2897. if (USES_WARPCORE(bp)) {
  2898. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2899. /*
  2900. * In Dual-lane mode, two lanes are joined together,
  2901. * so in order to configure them, the AER broadcast method is
  2902. * used here.
  2903. * 0x200 is the broadcast address for lanes 0,1
  2904. * 0x201 is the broadcast address for lanes 2,3
  2905. */
  2906. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2907. aer_val = (aer_val >> 1) | 0x200;
  2908. } else if (CHIP_IS_E2(bp))
  2909. aer_val = 0x3800 + offset - 1;
  2910. else
  2911. aer_val = 0x3800 + offset;
  2912. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2913. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2914. MDIO_AER_BLOCK_AER_REG, aer_val);
  2915. }
  2916. /******************************************************************/
  2917. /* Internal phy section */
  2918. /******************************************************************/
  2919. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2920. {
  2921. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2922. /* Set Clause 22 */
  2923. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2924. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2925. udelay(500);
  2926. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2927. udelay(500);
  2928. /* Set Clause 45 */
  2929. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2930. }
  2931. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2932. {
  2933. u32 val;
  2934. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2935. val = SERDES_RESET_BITS << (port*16);
  2936. /* reset and unreset the SerDes/XGXS */
  2937. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2938. udelay(500);
  2939. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2940. bnx2x_set_serdes_access(bp, port);
  2941. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2942. DEFAULT_PHY_DEV_ADDR);
  2943. }
  2944. static void bnx2x_xgxs_deassert(struct link_params *params)
  2945. {
  2946. struct bnx2x *bp = params->bp;
  2947. u8 port;
  2948. u32 val;
  2949. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2950. port = params->port;
  2951. val = XGXS_RESET_BITS << (port*16);
  2952. /* reset and unreset the SerDes/XGXS */
  2953. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2954. udelay(500);
  2955. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2956. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2957. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2958. params->phy[INT_PHY].def_md_devad);
  2959. }
  2960. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2961. struct link_params *params, u16 *ieee_fc)
  2962. {
  2963. struct bnx2x *bp = params->bp;
  2964. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2965. /**
  2966. * resolve pause mode and advertisement Please refer to Table
  2967. * 28B-3 of the 802.3ab-1999 spec
  2968. */
  2969. switch (phy->req_flow_ctrl) {
  2970. case BNX2X_FLOW_CTRL_AUTO:
  2971. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2972. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2973. else
  2974. *ieee_fc |=
  2975. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2976. break;
  2977. case BNX2X_FLOW_CTRL_TX:
  2978. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2979. break;
  2980. case BNX2X_FLOW_CTRL_RX:
  2981. case BNX2X_FLOW_CTRL_BOTH:
  2982. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2983. break;
  2984. case BNX2X_FLOW_CTRL_NONE:
  2985. default:
  2986. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2987. break;
  2988. }
  2989. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2990. }
  2991. static void set_phy_vars(struct link_params *params,
  2992. struct link_vars *vars)
  2993. {
  2994. struct bnx2x *bp = params->bp;
  2995. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2996. u8 phy_config_swapped = params->multi_phy_config &
  2997. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2998. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2999. phy_index++) {
  3000. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3001. actual_phy_idx = phy_index;
  3002. if (phy_config_swapped) {
  3003. if (phy_index == EXT_PHY1)
  3004. actual_phy_idx = EXT_PHY2;
  3005. else if (phy_index == EXT_PHY2)
  3006. actual_phy_idx = EXT_PHY1;
  3007. }
  3008. params->phy[actual_phy_idx].req_flow_ctrl =
  3009. params->req_flow_ctrl[link_cfg_idx];
  3010. params->phy[actual_phy_idx].req_line_speed =
  3011. params->req_line_speed[link_cfg_idx];
  3012. params->phy[actual_phy_idx].speed_cap_mask =
  3013. params->speed_cap_mask[link_cfg_idx];
  3014. params->phy[actual_phy_idx].req_duplex =
  3015. params->req_duplex[link_cfg_idx];
  3016. if (params->req_line_speed[link_cfg_idx] ==
  3017. SPEED_AUTO_NEG)
  3018. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3019. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3020. " speed_cap_mask %x\n",
  3021. params->phy[actual_phy_idx].req_flow_ctrl,
  3022. params->phy[actual_phy_idx].req_line_speed,
  3023. params->phy[actual_phy_idx].speed_cap_mask);
  3024. }
  3025. }
  3026. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3027. struct bnx2x_phy *phy,
  3028. struct link_vars *vars)
  3029. {
  3030. u16 val;
  3031. struct bnx2x *bp = params->bp;
  3032. /* read modify write pause advertizing */
  3033. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3034. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3035. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3036. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3037. if ((vars->ieee_fc &
  3038. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3039. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3040. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3041. }
  3042. if ((vars->ieee_fc &
  3043. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3044. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3045. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3046. }
  3047. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3048. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3049. }
  3050. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3051. { /* LD LP */
  3052. switch (pause_result) { /* ASYM P ASYM P */
  3053. case 0xb: /* 1 0 1 1 */
  3054. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3055. break;
  3056. case 0xe: /* 1 1 1 0 */
  3057. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3058. break;
  3059. case 0x5: /* 0 1 0 1 */
  3060. case 0x7: /* 0 1 1 1 */
  3061. case 0xd: /* 1 1 0 1 */
  3062. case 0xf: /* 1 1 1 1 */
  3063. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3064. break;
  3065. default:
  3066. break;
  3067. }
  3068. if (pause_result & (1<<0))
  3069. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3070. if (pause_result & (1<<1))
  3071. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3072. }
  3073. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3074. struct link_params *params,
  3075. struct link_vars *vars)
  3076. {
  3077. struct bnx2x *bp = params->bp;
  3078. u16 ld_pause; /* local */
  3079. u16 lp_pause; /* link partner */
  3080. u16 pause_result;
  3081. u8 ret = 0;
  3082. /* read twice */
  3083. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3084. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3085. vars->flow_ctrl = phy->req_flow_ctrl;
  3086. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3087. vars->flow_ctrl = params->req_fc_auto_adv;
  3088. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3089. ret = 1;
  3090. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616) {
  3091. bnx2x_cl22_read(bp, phy,
  3092. 0x4, &ld_pause);
  3093. bnx2x_cl22_read(bp, phy,
  3094. 0x5, &lp_pause);
  3095. } else {
  3096. bnx2x_cl45_read(bp, phy,
  3097. MDIO_AN_DEVAD,
  3098. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3099. bnx2x_cl45_read(bp, phy,
  3100. MDIO_AN_DEVAD,
  3101. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3102. }
  3103. pause_result = (ld_pause &
  3104. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3105. pause_result |= (lp_pause &
  3106. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3107. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3108. pause_result);
  3109. bnx2x_pause_resolve(vars, pause_result);
  3110. }
  3111. return ret;
  3112. }
  3113. /******************************************************************/
  3114. /* Warpcore section */
  3115. /******************************************************************/
  3116. /* The init_internal_warpcore should mirror the xgxs,
  3117. * i.e. reset the lane (if needed), set aer for the
  3118. * init configuration, and set/clear SGMII flag. Internal
  3119. * phy init is done purely in phy_init stage.
  3120. */
  3121. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3122. struct link_params *params,
  3123. struct link_vars *vars) {
  3124. u16 val16 = 0, lane;
  3125. struct bnx2x *bp = params->bp;
  3126. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3127. /* Check adding advertisement for 1G KX */
  3128. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3129. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3130. (vars->line_speed == SPEED_1000)) {
  3131. u16 sd_digital;
  3132. val16 |= (1<<5);
  3133. /* Enable CL37 1G Parallel Detect */
  3134. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3135. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3136. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3137. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3138. (sd_digital | 0x1));
  3139. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3140. }
  3141. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3142. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3143. (vars->line_speed == SPEED_10000)) {
  3144. /* Check adding advertisement for 10G KR */
  3145. val16 |= (1<<7);
  3146. /* Enable 10G Parallel Detect */
  3147. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3148. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3149. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3150. }
  3151. /* Set Transmit PMD settings */
  3152. lane = bnx2x_get_warpcore_lane(phy, params);
  3153. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3154. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3155. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3156. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3157. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3158. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3160. 0x03f0);
  3161. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3162. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3163. 0x03f0);
  3164. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3165. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3166. 0x383f);
  3167. /* Advertised speeds */
  3168. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3169. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3170. /* Advertise pause */
  3171. bnx2x_ext_phy_set_pause(params, phy, vars);
  3172. /* Enable Autoneg */
  3173. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3174. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3175. /* Over 1G - AN local device user page 1 */
  3176. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3177. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3178. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3179. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3180. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3181. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3182. }
  3183. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3184. struct link_params *params,
  3185. struct link_vars *vars)
  3186. {
  3187. struct bnx2x *bp = params->bp;
  3188. u16 val;
  3189. /* Disable Autoneg */
  3190. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3191. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3192. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3193. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3194. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3195. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3196. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3197. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3198. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3199. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3200. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3201. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3202. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3203. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3204. /* Disable CL36 PCS Tx */
  3205. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3206. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3207. /* Double Wide Single Data Rate @ pll rate */
  3208. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3209. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3210. /* Leave cl72 training enable, needed for KR */
  3211. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3212. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3213. 0x2);
  3214. /* Leave CL72 enabled */
  3215. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3217. &val);
  3218. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3220. val | 0x3800);
  3221. /* Set speed via PMA/PMD register */
  3222. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3223. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3224. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3225. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3226. /*Enable encoded forced speed */
  3227. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3228. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3229. /* Turn TX scramble payload only the 64/66 scrambler */
  3230. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3232. /* Turn RX scramble payload only the 64/66 scrambler */
  3233. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3234. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3235. /* set and clear loopback to cause a reset to 64/66 decoder */
  3236. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3237. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3240. }
  3241. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3242. struct link_params *params,
  3243. u8 is_xfi)
  3244. {
  3245. struct bnx2x *bp = params->bp;
  3246. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3247. /* Hold rxSeqStart */
  3248. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3249. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3250. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3252. /* Hold tx_fifo_reset */
  3253. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3255. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3256. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3257. /* Disable CL73 AN */
  3258. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3259. /* Disable 100FX Enable and Auto-Detect */
  3260. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3261. MDIO_WC_REG_FX100_CTRL1, &val);
  3262. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3263. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3264. /* Disable 100FX Idle detect */
  3265. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3266. MDIO_WC_REG_FX100_CTRL3, &val);
  3267. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3268. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3269. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3270. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3271. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3272. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3273. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3274. /* Turn off auto-detect & fiber mode */
  3275. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3277. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3278. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3279. (val & 0xFFEE));
  3280. /* Set filter_force_link, disable_false_link and parallel_detect */
  3281. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3282. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3285. ((val | 0x0006) & 0xFFFE));
  3286. /* Set XFI / SFI */
  3287. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3289. misc1_val &= ~(0x1f);
  3290. if (is_xfi) {
  3291. misc1_val |= 0x5;
  3292. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3293. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3294. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3295. tx_driver_val =
  3296. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3297. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3298. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3299. } else {
  3300. misc1_val |= 0x9;
  3301. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3302. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3303. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3304. tx_driver_val =
  3305. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3306. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3307. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3308. }
  3309. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3311. /* Set Transmit PMD settings */
  3312. lane = bnx2x_get_warpcore_lane(phy, params);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_TX_FIR_TAP,
  3315. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3316. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3317. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3318. tx_driver_val);
  3319. /* Enable fiber mode, enable and invert sig_det */
  3320. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3321. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3324. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3325. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3326. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3327. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3329. /* 10G XFI Full Duplex */
  3330. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3331. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3332. /* Release tx_fifo_reset */
  3333. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3335. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3336. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3337. /* Release rxSeqStart */
  3338. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3340. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3342. }
  3343. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3344. struct bnx2x_phy *phy)
  3345. {
  3346. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3347. }
  3348. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3349. struct bnx2x_phy *phy,
  3350. u16 lane)
  3351. {
  3352. /* Rx0 anaRxControl1G */
  3353. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3355. /* Rx2 anaRxControl1G */
  3356. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3357. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3358. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3364. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3365. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3366. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3367. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3372. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3374. /* Serdes Digital Misc1 */
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3377. /* Serdes Digital4 Misc3 */
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3380. /* Set Transmit PMD settings */
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_TX_FIR_TAP,
  3383. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3384. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3385. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3386. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3389. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3390. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3391. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3392. }
  3393. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3394. struct link_params *params,
  3395. u8 fiber_mode)
  3396. {
  3397. struct bnx2x *bp = params->bp;
  3398. u16 val16, digctrl_kx1, digctrl_kx2;
  3399. u8 lane;
  3400. lane = bnx2x_get_warpcore_lane(phy, params);
  3401. /* Clear XFI clock comp in non-10G single lane mode. */
  3402. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_CONTROL, &val16);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3406. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3407. /* SGMII Autoneg */
  3408. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3412. val16 | 0x1000);
  3413. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3414. } else {
  3415. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3417. val16 &= 0xcfbf;
  3418. switch (phy->req_line_speed) {
  3419. case SPEED_10:
  3420. break;
  3421. case SPEED_100:
  3422. val16 |= 0x2000;
  3423. break;
  3424. case SPEED_1000:
  3425. val16 |= 0x0040;
  3426. break;
  3427. default:
  3428. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3429. "\n", phy->req_line_speed);
  3430. return;
  3431. }
  3432. if (phy->req_duplex == DUPLEX_FULL)
  3433. val16 |= 0x0100;
  3434. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3436. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3437. phy->req_line_speed);
  3438. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3440. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3441. }
  3442. /* SGMII Slave mode and disable signal detect */
  3443. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3445. if (fiber_mode)
  3446. digctrl_kx1 = 1;
  3447. else
  3448. digctrl_kx1 &= 0xff4a;
  3449. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3451. digctrl_kx1);
  3452. /* Turn off parallel detect */
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3455. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3457. (digctrl_kx2 & ~(1<<2)));
  3458. /* Re-enable parallel detect */
  3459. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3461. (digctrl_kx2 | (1<<2)));
  3462. /* Enable autodet */
  3463. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3465. (digctrl_kx1 | 0x10));
  3466. }
  3467. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3468. struct bnx2x_phy *phy,
  3469. u8 reset)
  3470. {
  3471. u16 val;
  3472. /* Take lane out of reset after configuration is finished */
  3473. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3475. if (reset)
  3476. val |= 0xC000;
  3477. else
  3478. val &= 0x3FFF;
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3481. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3483. }
  3484. /* Clear SFI/XFI link settings registers */
  3485. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3486. struct link_params *params,
  3487. u16 lane)
  3488. {
  3489. struct bnx2x *bp = params->bp;
  3490. u16 val16;
  3491. /* Set XFI clock comp as default. */
  3492. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_RX66_CONTROL, &val16);
  3494. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3496. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3497. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3498. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3502. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3506. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3507. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3508. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3510. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3511. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3512. lane = bnx2x_get_warpcore_lane(phy, params);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3521. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3522. }
  3523. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3524. u32 chip_id,
  3525. u32 shmem_base, u8 port,
  3526. u8 *gpio_num, u8 *gpio_port)
  3527. {
  3528. u32 cfg_pin;
  3529. *gpio_num = 0;
  3530. *gpio_port = 0;
  3531. if (CHIP_IS_E3(bp)) {
  3532. cfg_pin = (REG_RD(bp, shmem_base +
  3533. offsetof(struct shmem_region,
  3534. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3535. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3536. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3537. /*
  3538. * Should not happen. This function called upon interrupt
  3539. * triggered by GPIO ( since EPIO can only generate interrupts
  3540. * to MCP).
  3541. * So if this function was called and none of the GPIOs was set,
  3542. * it means the shit hit the fan.
  3543. */
  3544. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3545. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3546. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3547. "module detect indication\n",
  3548. cfg_pin);
  3549. return -EINVAL;
  3550. }
  3551. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3552. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3553. } else {
  3554. *gpio_num = MISC_REGISTERS_GPIO_3;
  3555. *gpio_port = port;
  3556. }
  3557. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3558. return 0;
  3559. }
  3560. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3561. struct link_params *params)
  3562. {
  3563. struct bnx2x *bp = params->bp;
  3564. u8 gpio_num, gpio_port;
  3565. u32 gpio_val;
  3566. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3567. params->shmem_base, params->port,
  3568. &gpio_num, &gpio_port) != 0)
  3569. return 0;
  3570. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3571. /* Call the handling function in case module is detected */
  3572. if (gpio_val == 0)
  3573. return 1;
  3574. else
  3575. return 0;
  3576. }
  3577. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3578. struct link_params *params,
  3579. struct link_vars *vars)
  3580. {
  3581. struct bnx2x *bp = params->bp;
  3582. u32 serdes_net_if;
  3583. u8 fiber_mode;
  3584. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3585. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3586. offsetof(struct shmem_region, dev_info.
  3587. port_hw_config[params->port].default_cfg)) &
  3588. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3589. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3590. "serdes_net_if = 0x%x\n",
  3591. vars->line_speed, serdes_net_if);
  3592. bnx2x_set_aer_mmd(params, phy);
  3593. vars->phy_flags |= PHY_XGXS_FLAG;
  3594. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3595. (phy->req_line_speed &&
  3596. ((phy->req_line_speed == SPEED_100) ||
  3597. (phy->req_line_speed == SPEED_10)))) {
  3598. vars->phy_flags |= PHY_SGMII_FLAG;
  3599. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3600. bnx2x_warpcore_clear_regs(phy, params, lane);
  3601. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3602. } else {
  3603. switch (serdes_net_if) {
  3604. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3605. /* Enable KR Auto Neg */
  3606. if (params->loopback_mode == LOOPBACK_NONE)
  3607. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3608. else {
  3609. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3610. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3611. }
  3612. break;
  3613. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3614. bnx2x_warpcore_clear_regs(phy, params, lane);
  3615. if (vars->line_speed == SPEED_10000) {
  3616. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3617. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3618. } else {
  3619. if (SINGLE_MEDIA_DIRECT(params)) {
  3620. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3621. fiber_mode = 1;
  3622. } else {
  3623. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3624. fiber_mode = 0;
  3625. }
  3626. bnx2x_warpcore_set_sgmii_speed(phy,
  3627. params,
  3628. fiber_mode);
  3629. }
  3630. break;
  3631. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3632. bnx2x_warpcore_clear_regs(phy, params, lane);
  3633. if (vars->line_speed == SPEED_10000) {
  3634. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3635. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3636. } else if (vars->line_speed == SPEED_1000) {
  3637. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3638. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3639. }
  3640. /* Issue Module detection */
  3641. if (bnx2x_is_sfp_module_plugged(phy, params))
  3642. bnx2x_sfp_module_detection(phy, params);
  3643. break;
  3644. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3645. if (vars->line_speed != SPEED_20000) {
  3646. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3647. return;
  3648. }
  3649. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3650. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3651. /* Issue Module detection */
  3652. bnx2x_sfp_module_detection(phy, params);
  3653. break;
  3654. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3655. if (vars->line_speed != SPEED_20000) {
  3656. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3657. return;
  3658. }
  3659. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3660. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3661. break;
  3662. default:
  3663. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3664. "0x%x\n", serdes_net_if);
  3665. return;
  3666. }
  3667. }
  3668. /* Take lane out of reset after configuration is finished */
  3669. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3670. DP(NETIF_MSG_LINK, "Exit config init\n");
  3671. }
  3672. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3673. struct bnx2x_phy *phy,
  3674. u8 tx_en)
  3675. {
  3676. struct bnx2x *bp = params->bp;
  3677. u32 cfg_pin;
  3678. u8 port = params->port;
  3679. cfg_pin = REG_RD(bp, params->shmem_base +
  3680. offsetof(struct shmem_region,
  3681. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3682. PORT_HW_CFG_TX_LASER_MASK;
  3683. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3684. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3685. /* For 20G, the expected pin to be used is 3 pins after the current */
  3686. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3687. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3688. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3689. }
  3690. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3691. struct link_params *params)
  3692. {
  3693. struct bnx2x *bp = params->bp;
  3694. u16 val16;
  3695. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3696. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3697. bnx2x_set_aer_mmd(params, phy);
  3698. /* Global register */
  3699. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3700. /* Clear loopback settings (if any) */
  3701. /* 10G & 20G */
  3702. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3704. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3705. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3706. 0xBFFF);
  3707. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3709. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3710. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3711. /* Update those 1-copy registers */
  3712. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3713. MDIO_AER_BLOCK_AER_REG, 0);
  3714. /* Enable 1G MDIO (1-copy) */
  3715. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3717. &val16);
  3718. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3720. val16 & ~0x10);
  3721. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3722. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3723. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3724. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3725. val16 & 0xff00);
  3726. }
  3727. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3728. struct link_params *params)
  3729. {
  3730. struct bnx2x *bp = params->bp;
  3731. u16 val16;
  3732. u32 lane;
  3733. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3734. params->loopback_mode, phy->req_line_speed);
  3735. if (phy->req_line_speed < SPEED_10000) {
  3736. /* 10/100/1000 */
  3737. /* Update those 1-copy registers */
  3738. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3739. MDIO_AER_BLOCK_AER_REG, 0);
  3740. /* Enable 1G MDIO (1-copy) */
  3741. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3742. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3743. &val16);
  3744. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3745. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3746. val16 | 0x10);
  3747. /* Set 1G loopback based on lane (1-copy) */
  3748. lane = bnx2x_get_warpcore_lane(phy, params);
  3749. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3750. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3751. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3752. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3753. val16 | (1<<lane));
  3754. /* Switch back to 4-copy registers */
  3755. bnx2x_set_aer_mmd(params, phy);
  3756. /* Global loopback, not recommended. */
  3757. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3758. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3759. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3760. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3761. 0x4000);
  3762. } else {
  3763. /* 10G & 20G */
  3764. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3765. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3766. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3767. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3768. 0x4000);
  3769. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3770. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3771. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3772. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3773. }
  3774. }
  3775. void bnx2x_link_status_update(struct link_params *params,
  3776. struct link_vars *vars)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u8 link_10g_plus;
  3780. u8 port = params->port;
  3781. u32 sync_offset, media_types;
  3782. /* Update PHY configuration */
  3783. set_phy_vars(params, vars);
  3784. vars->link_status = REG_RD(bp, params->shmem_base +
  3785. offsetof(struct shmem_region,
  3786. port_mb[port].link_status));
  3787. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3788. vars->phy_flags = PHY_XGXS_FLAG;
  3789. if (vars->link_up) {
  3790. DP(NETIF_MSG_LINK, "phy link up\n");
  3791. vars->phy_link_up = 1;
  3792. vars->duplex = DUPLEX_FULL;
  3793. switch (vars->link_status &
  3794. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3795. case LINK_10THD:
  3796. vars->duplex = DUPLEX_HALF;
  3797. /* fall thru */
  3798. case LINK_10TFD:
  3799. vars->line_speed = SPEED_10;
  3800. break;
  3801. case LINK_100TXHD:
  3802. vars->duplex = DUPLEX_HALF;
  3803. /* fall thru */
  3804. case LINK_100T4:
  3805. case LINK_100TXFD:
  3806. vars->line_speed = SPEED_100;
  3807. break;
  3808. case LINK_1000THD:
  3809. vars->duplex = DUPLEX_HALF;
  3810. /* fall thru */
  3811. case LINK_1000TFD:
  3812. vars->line_speed = SPEED_1000;
  3813. break;
  3814. case LINK_2500THD:
  3815. vars->duplex = DUPLEX_HALF;
  3816. /* fall thru */
  3817. case LINK_2500TFD:
  3818. vars->line_speed = SPEED_2500;
  3819. break;
  3820. case LINK_10GTFD:
  3821. vars->line_speed = SPEED_10000;
  3822. break;
  3823. case LINK_20GTFD:
  3824. vars->line_speed = SPEED_20000;
  3825. break;
  3826. default:
  3827. break;
  3828. }
  3829. vars->flow_ctrl = 0;
  3830. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3831. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3832. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3833. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3834. if (!vars->flow_ctrl)
  3835. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3836. if (vars->line_speed &&
  3837. ((vars->line_speed == SPEED_10) ||
  3838. (vars->line_speed == SPEED_100))) {
  3839. vars->phy_flags |= PHY_SGMII_FLAG;
  3840. } else {
  3841. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3842. }
  3843. if (vars->line_speed &&
  3844. USES_WARPCORE(bp) &&
  3845. (vars->line_speed == SPEED_1000))
  3846. vars->phy_flags |= PHY_SGMII_FLAG;
  3847. /* anything 10 and over uses the bmac */
  3848. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3849. if (link_10g_plus) {
  3850. if (USES_WARPCORE(bp))
  3851. vars->mac_type = MAC_TYPE_XMAC;
  3852. else
  3853. vars->mac_type = MAC_TYPE_BMAC;
  3854. } else {
  3855. if (USES_WARPCORE(bp))
  3856. vars->mac_type = MAC_TYPE_UMAC;
  3857. else
  3858. vars->mac_type = MAC_TYPE_EMAC;
  3859. }
  3860. } else { /* link down */
  3861. DP(NETIF_MSG_LINK, "phy link down\n");
  3862. vars->phy_link_up = 0;
  3863. vars->line_speed = 0;
  3864. vars->duplex = DUPLEX_FULL;
  3865. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3866. /* indicate no mac active */
  3867. vars->mac_type = MAC_TYPE_NONE;
  3868. }
  3869. /* Sync media type */
  3870. sync_offset = params->shmem_base +
  3871. offsetof(struct shmem_region,
  3872. dev_info.port_hw_config[port].media_type);
  3873. media_types = REG_RD(bp, sync_offset);
  3874. params->phy[INT_PHY].media_type =
  3875. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3876. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3877. params->phy[EXT_PHY1].media_type =
  3878. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3879. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3880. params->phy[EXT_PHY2].media_type =
  3881. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3882. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3883. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3884. /* Sync AEU offset */
  3885. sync_offset = params->shmem_base +
  3886. offsetof(struct shmem_region,
  3887. dev_info.port_hw_config[port].aeu_int_mask);
  3888. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3889. /* Sync PFC status */
  3890. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3891. params->feature_config_flags |=
  3892. FEATURE_CONFIG_PFC_ENABLED;
  3893. else
  3894. params->feature_config_flags &=
  3895. ~FEATURE_CONFIG_PFC_ENABLED;
  3896. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3897. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3898. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3899. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3900. }
  3901. static void bnx2x_set_master_ln(struct link_params *params,
  3902. struct bnx2x_phy *phy)
  3903. {
  3904. struct bnx2x *bp = params->bp;
  3905. u16 new_master_ln, ser_lane;
  3906. ser_lane = ((params->lane_config &
  3907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3908. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3909. /* set the master_ln for AN */
  3910. CL22_RD_OVER_CL45(bp, phy,
  3911. MDIO_REG_BANK_XGXS_BLOCK2,
  3912. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3913. &new_master_ln);
  3914. CL22_WR_OVER_CL45(bp, phy,
  3915. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3916. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3917. (new_master_ln | ser_lane));
  3918. }
  3919. static int bnx2x_reset_unicore(struct link_params *params,
  3920. struct bnx2x_phy *phy,
  3921. u8 set_serdes)
  3922. {
  3923. struct bnx2x *bp = params->bp;
  3924. u16 mii_control;
  3925. u16 i;
  3926. CL22_RD_OVER_CL45(bp, phy,
  3927. MDIO_REG_BANK_COMBO_IEEE0,
  3928. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3929. /* reset the unicore */
  3930. CL22_WR_OVER_CL45(bp, phy,
  3931. MDIO_REG_BANK_COMBO_IEEE0,
  3932. MDIO_COMBO_IEEE0_MII_CONTROL,
  3933. (mii_control |
  3934. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3935. if (set_serdes)
  3936. bnx2x_set_serdes_access(bp, params->port);
  3937. /* wait for the reset to self clear */
  3938. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3939. udelay(5);
  3940. /* the reset erased the previous bank value */
  3941. CL22_RD_OVER_CL45(bp, phy,
  3942. MDIO_REG_BANK_COMBO_IEEE0,
  3943. MDIO_COMBO_IEEE0_MII_CONTROL,
  3944. &mii_control);
  3945. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3946. udelay(5);
  3947. return 0;
  3948. }
  3949. }
  3950. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3951. " Port %d\n",
  3952. params->port);
  3953. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3954. return -EINVAL;
  3955. }
  3956. static void bnx2x_set_swap_lanes(struct link_params *params,
  3957. struct bnx2x_phy *phy)
  3958. {
  3959. struct bnx2x *bp = params->bp;
  3960. /*
  3961. * Each two bits represents a lane number:
  3962. * No swap is 0123 => 0x1b no need to enable the swap
  3963. */
  3964. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3965. ser_lane = ((params->lane_config &
  3966. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3967. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3968. rx_lane_swap = ((params->lane_config &
  3969. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3970. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  3971. tx_lane_swap = ((params->lane_config &
  3972. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  3973. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  3974. if (rx_lane_swap != 0x1b) {
  3975. CL22_WR_OVER_CL45(bp, phy,
  3976. MDIO_REG_BANK_XGXS_BLOCK2,
  3977. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  3978. (rx_lane_swap |
  3979. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  3980. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  3981. } else {
  3982. CL22_WR_OVER_CL45(bp, phy,
  3983. MDIO_REG_BANK_XGXS_BLOCK2,
  3984. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  3985. }
  3986. if (tx_lane_swap != 0x1b) {
  3987. CL22_WR_OVER_CL45(bp, phy,
  3988. MDIO_REG_BANK_XGXS_BLOCK2,
  3989. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  3990. (tx_lane_swap |
  3991. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  3992. } else {
  3993. CL22_WR_OVER_CL45(bp, phy,
  3994. MDIO_REG_BANK_XGXS_BLOCK2,
  3995. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  3996. }
  3997. }
  3998. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  3999. struct link_params *params)
  4000. {
  4001. struct bnx2x *bp = params->bp;
  4002. u16 control2;
  4003. CL22_RD_OVER_CL45(bp, phy,
  4004. MDIO_REG_BANK_SERDES_DIGITAL,
  4005. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4006. &control2);
  4007. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4008. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4009. else
  4010. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4011. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4012. phy->speed_cap_mask, control2);
  4013. CL22_WR_OVER_CL45(bp, phy,
  4014. MDIO_REG_BANK_SERDES_DIGITAL,
  4015. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4016. control2);
  4017. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4018. (phy->speed_cap_mask &
  4019. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4020. DP(NETIF_MSG_LINK, "XGXS\n");
  4021. CL22_WR_OVER_CL45(bp, phy,
  4022. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4023. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4024. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4025. CL22_RD_OVER_CL45(bp, phy,
  4026. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4027. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4028. &control2);
  4029. control2 |=
  4030. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4031. CL22_WR_OVER_CL45(bp, phy,
  4032. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4033. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4034. control2);
  4035. /* Disable parallel detection of HiG */
  4036. CL22_WR_OVER_CL45(bp, phy,
  4037. MDIO_REG_BANK_XGXS_BLOCK2,
  4038. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4039. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4040. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4041. }
  4042. }
  4043. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4044. struct link_params *params,
  4045. struct link_vars *vars,
  4046. u8 enable_cl73)
  4047. {
  4048. struct bnx2x *bp = params->bp;
  4049. u16 reg_val;
  4050. /* CL37 Autoneg */
  4051. CL22_RD_OVER_CL45(bp, phy,
  4052. MDIO_REG_BANK_COMBO_IEEE0,
  4053. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4054. /* CL37 Autoneg Enabled */
  4055. if (vars->line_speed == SPEED_AUTO_NEG)
  4056. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4057. else /* CL37 Autoneg Disabled */
  4058. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4059. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4060. CL22_WR_OVER_CL45(bp, phy,
  4061. MDIO_REG_BANK_COMBO_IEEE0,
  4062. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4063. /* Enable/Disable Autodetection */
  4064. CL22_RD_OVER_CL45(bp, phy,
  4065. MDIO_REG_BANK_SERDES_DIGITAL,
  4066. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4067. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4068. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4069. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4070. if (vars->line_speed == SPEED_AUTO_NEG)
  4071. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4072. else
  4073. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4074. CL22_WR_OVER_CL45(bp, phy,
  4075. MDIO_REG_BANK_SERDES_DIGITAL,
  4076. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4077. /* Enable TetonII and BAM autoneg */
  4078. CL22_RD_OVER_CL45(bp, phy,
  4079. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4080. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4081. &reg_val);
  4082. if (vars->line_speed == SPEED_AUTO_NEG) {
  4083. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4084. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4085. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4086. } else {
  4087. /* TetonII and BAM Autoneg Disabled */
  4088. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4089. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4090. }
  4091. CL22_WR_OVER_CL45(bp, phy,
  4092. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4093. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4094. reg_val);
  4095. if (enable_cl73) {
  4096. /* Enable Cl73 FSM status bits */
  4097. CL22_WR_OVER_CL45(bp, phy,
  4098. MDIO_REG_BANK_CL73_USERB0,
  4099. MDIO_CL73_USERB0_CL73_UCTRL,
  4100. 0xe);
  4101. /* Enable BAM Station Manager*/
  4102. CL22_WR_OVER_CL45(bp, phy,
  4103. MDIO_REG_BANK_CL73_USERB0,
  4104. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4105. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4106. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4107. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4108. /* Advertise CL73 link speeds */
  4109. CL22_RD_OVER_CL45(bp, phy,
  4110. MDIO_REG_BANK_CL73_IEEEB1,
  4111. MDIO_CL73_IEEEB1_AN_ADV2,
  4112. &reg_val);
  4113. if (phy->speed_cap_mask &
  4114. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4115. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4116. if (phy->speed_cap_mask &
  4117. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4118. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4119. CL22_WR_OVER_CL45(bp, phy,
  4120. MDIO_REG_BANK_CL73_IEEEB1,
  4121. MDIO_CL73_IEEEB1_AN_ADV2,
  4122. reg_val);
  4123. /* CL73 Autoneg Enabled */
  4124. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4125. } else /* CL73 Autoneg Disabled */
  4126. reg_val = 0;
  4127. CL22_WR_OVER_CL45(bp, phy,
  4128. MDIO_REG_BANK_CL73_IEEEB0,
  4129. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4130. }
  4131. /* program SerDes, forced speed */
  4132. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4133. struct link_params *params,
  4134. struct link_vars *vars)
  4135. {
  4136. struct bnx2x *bp = params->bp;
  4137. u16 reg_val;
  4138. /* program duplex, disable autoneg and sgmii*/
  4139. CL22_RD_OVER_CL45(bp, phy,
  4140. MDIO_REG_BANK_COMBO_IEEE0,
  4141. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4142. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4143. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4144. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4145. if (phy->req_duplex == DUPLEX_FULL)
  4146. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4147. CL22_WR_OVER_CL45(bp, phy,
  4148. MDIO_REG_BANK_COMBO_IEEE0,
  4149. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4150. /*
  4151. * program speed
  4152. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4153. */
  4154. CL22_RD_OVER_CL45(bp, phy,
  4155. MDIO_REG_BANK_SERDES_DIGITAL,
  4156. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4157. /* clearing the speed value before setting the right speed */
  4158. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4159. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4160. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4161. if (!((vars->line_speed == SPEED_1000) ||
  4162. (vars->line_speed == SPEED_100) ||
  4163. (vars->line_speed == SPEED_10))) {
  4164. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4165. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4166. if (vars->line_speed == SPEED_10000)
  4167. reg_val |=
  4168. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4169. }
  4170. CL22_WR_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_SERDES_DIGITAL,
  4172. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4173. }
  4174. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4175. struct link_params *params)
  4176. {
  4177. struct bnx2x *bp = params->bp;
  4178. u16 val = 0;
  4179. /* configure the 48 bits for BAM AN */
  4180. /* set extended capabilities */
  4181. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4182. val |= MDIO_OVER_1G_UP1_2_5G;
  4183. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4184. val |= MDIO_OVER_1G_UP1_10G;
  4185. CL22_WR_OVER_CL45(bp, phy,
  4186. MDIO_REG_BANK_OVER_1G,
  4187. MDIO_OVER_1G_UP1, val);
  4188. CL22_WR_OVER_CL45(bp, phy,
  4189. MDIO_REG_BANK_OVER_1G,
  4190. MDIO_OVER_1G_UP3, 0x400);
  4191. }
  4192. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4193. struct link_params *params,
  4194. u16 ieee_fc)
  4195. {
  4196. struct bnx2x *bp = params->bp;
  4197. u16 val;
  4198. /* for AN, we are always publishing full duplex */
  4199. CL22_WR_OVER_CL45(bp, phy,
  4200. MDIO_REG_BANK_COMBO_IEEE0,
  4201. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4202. CL22_RD_OVER_CL45(bp, phy,
  4203. MDIO_REG_BANK_CL73_IEEEB1,
  4204. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4205. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4206. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4207. CL22_WR_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_CL73_IEEEB1,
  4209. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4210. }
  4211. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4212. struct link_params *params,
  4213. u8 enable_cl73)
  4214. {
  4215. struct bnx2x *bp = params->bp;
  4216. u16 mii_control;
  4217. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4218. /* Enable and restart BAM/CL37 aneg */
  4219. if (enable_cl73) {
  4220. CL22_RD_OVER_CL45(bp, phy,
  4221. MDIO_REG_BANK_CL73_IEEEB0,
  4222. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4223. &mii_control);
  4224. CL22_WR_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_CL73_IEEEB0,
  4226. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4227. (mii_control |
  4228. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4229. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4230. } else {
  4231. CL22_RD_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_COMBO_IEEE0,
  4233. MDIO_COMBO_IEEE0_MII_CONTROL,
  4234. &mii_control);
  4235. DP(NETIF_MSG_LINK,
  4236. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4237. mii_control);
  4238. CL22_WR_OVER_CL45(bp, phy,
  4239. MDIO_REG_BANK_COMBO_IEEE0,
  4240. MDIO_COMBO_IEEE0_MII_CONTROL,
  4241. (mii_control |
  4242. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4243. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4244. }
  4245. }
  4246. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4247. struct link_params *params,
  4248. struct link_vars *vars)
  4249. {
  4250. struct bnx2x *bp = params->bp;
  4251. u16 control1;
  4252. /* in SGMII mode, the unicore is always slave */
  4253. CL22_RD_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_SERDES_DIGITAL,
  4255. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4256. &control1);
  4257. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4258. /* set sgmii mode (and not fiber) */
  4259. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4260. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4261. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_SERDES_DIGITAL,
  4264. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4265. control1);
  4266. /* if forced speed */
  4267. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4268. /* set speed, disable autoneg */
  4269. u16 mii_control;
  4270. CL22_RD_OVER_CL45(bp, phy,
  4271. MDIO_REG_BANK_COMBO_IEEE0,
  4272. MDIO_COMBO_IEEE0_MII_CONTROL,
  4273. &mii_control);
  4274. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4275. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4276. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4277. switch (vars->line_speed) {
  4278. case SPEED_100:
  4279. mii_control |=
  4280. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4281. break;
  4282. case SPEED_1000:
  4283. mii_control |=
  4284. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4285. break;
  4286. case SPEED_10:
  4287. /* there is nothing to set for 10M */
  4288. break;
  4289. default:
  4290. /* invalid speed for SGMII */
  4291. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4292. vars->line_speed);
  4293. break;
  4294. }
  4295. /* setting the full duplex */
  4296. if (phy->req_duplex == DUPLEX_FULL)
  4297. mii_control |=
  4298. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4299. CL22_WR_OVER_CL45(bp, phy,
  4300. MDIO_REG_BANK_COMBO_IEEE0,
  4301. MDIO_COMBO_IEEE0_MII_CONTROL,
  4302. mii_control);
  4303. } else { /* AN mode */
  4304. /* enable and restart AN */
  4305. bnx2x_restart_autoneg(phy, params, 0);
  4306. }
  4307. }
  4308. /*
  4309. * link management
  4310. */
  4311. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4312. struct link_params *params)
  4313. {
  4314. struct bnx2x *bp = params->bp;
  4315. u16 pd_10g, status2_1000x;
  4316. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4317. return 0;
  4318. CL22_RD_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_SERDES_DIGITAL,
  4320. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4321. &status2_1000x);
  4322. CL22_RD_OVER_CL45(bp, phy,
  4323. MDIO_REG_BANK_SERDES_DIGITAL,
  4324. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4325. &status2_1000x);
  4326. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4327. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4328. params->port);
  4329. return 1;
  4330. }
  4331. CL22_RD_OVER_CL45(bp, phy,
  4332. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4333. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4334. &pd_10g);
  4335. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4336. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4337. params->port);
  4338. return 1;
  4339. }
  4340. return 0;
  4341. }
  4342. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4343. struct link_params *params,
  4344. struct link_vars *vars,
  4345. u32 gp_status)
  4346. {
  4347. struct bnx2x *bp = params->bp;
  4348. u16 ld_pause; /* local driver */
  4349. u16 lp_pause; /* link partner */
  4350. u16 pause_result;
  4351. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4352. /* resolve from gp_status in case of AN complete and not sgmii */
  4353. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4354. vars->flow_ctrl = phy->req_flow_ctrl;
  4355. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4356. vars->flow_ctrl = params->req_fc_auto_adv;
  4357. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4358. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4359. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4360. vars->flow_ctrl = params->req_fc_auto_adv;
  4361. return;
  4362. }
  4363. if ((gp_status &
  4364. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4365. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4366. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4367. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4368. CL22_RD_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_CL73_IEEEB1,
  4370. MDIO_CL73_IEEEB1_AN_ADV1,
  4371. &ld_pause);
  4372. CL22_RD_OVER_CL45(bp, phy,
  4373. MDIO_REG_BANK_CL73_IEEEB1,
  4374. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4375. &lp_pause);
  4376. pause_result = (ld_pause &
  4377. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4378. >> 8;
  4379. pause_result |= (lp_pause &
  4380. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4381. >> 10;
  4382. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4383. pause_result);
  4384. } else {
  4385. CL22_RD_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_COMBO_IEEE0,
  4387. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4388. &ld_pause);
  4389. CL22_RD_OVER_CL45(bp, phy,
  4390. MDIO_REG_BANK_COMBO_IEEE0,
  4391. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4392. &lp_pause);
  4393. pause_result = (ld_pause &
  4394. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4395. pause_result |= (lp_pause &
  4396. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4397. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4398. pause_result);
  4399. }
  4400. bnx2x_pause_resolve(vars, pause_result);
  4401. }
  4402. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4403. }
  4404. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4405. struct link_params *params)
  4406. {
  4407. struct bnx2x *bp = params->bp;
  4408. u16 rx_status, ustat_val, cl37_fsm_received;
  4409. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4410. /* Step 1: Make sure signal is detected */
  4411. CL22_RD_OVER_CL45(bp, phy,
  4412. MDIO_REG_BANK_RX0,
  4413. MDIO_RX0_RX_STATUS,
  4414. &rx_status);
  4415. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4416. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4417. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4418. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4419. CL22_WR_OVER_CL45(bp, phy,
  4420. MDIO_REG_BANK_CL73_IEEEB0,
  4421. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4422. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4423. return;
  4424. }
  4425. /* Step 2: Check CL73 state machine */
  4426. CL22_RD_OVER_CL45(bp, phy,
  4427. MDIO_REG_BANK_CL73_USERB0,
  4428. MDIO_CL73_USERB0_CL73_USTAT1,
  4429. &ustat_val);
  4430. if ((ustat_val &
  4431. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4432. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4433. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4434. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4435. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4436. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4437. return;
  4438. }
  4439. /*
  4440. * Step 3: Check CL37 Message Pages received to indicate LP
  4441. * supports only CL37
  4442. */
  4443. CL22_RD_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_REMOTE_PHY,
  4445. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4446. &cl37_fsm_received);
  4447. if ((cl37_fsm_received &
  4448. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4449. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4450. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4451. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4452. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4453. "misc_rx_status(0x8330) = 0x%x\n",
  4454. cl37_fsm_received);
  4455. return;
  4456. }
  4457. /*
  4458. * The combined cl37/cl73 fsm state information indicating that
  4459. * we are connected to a device which does not support cl73, but
  4460. * does support cl37 BAM. In this case we disable cl73 and
  4461. * restart cl37 auto-neg
  4462. */
  4463. /* Disable CL73 */
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_CL73_IEEEB0,
  4466. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4467. 0);
  4468. /* Restart CL37 autoneg */
  4469. bnx2x_restart_autoneg(phy, params, 0);
  4470. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4471. }
  4472. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4473. struct link_params *params,
  4474. struct link_vars *vars,
  4475. u32 gp_status)
  4476. {
  4477. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4478. vars->link_status |=
  4479. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4480. if (bnx2x_direct_parallel_detect_used(phy, params))
  4481. vars->link_status |=
  4482. LINK_STATUS_PARALLEL_DETECTION_USED;
  4483. }
  4484. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4485. struct link_params *params,
  4486. struct link_vars *vars,
  4487. u16 is_link_up,
  4488. u16 speed_mask,
  4489. u16 is_duplex)
  4490. {
  4491. struct bnx2x *bp = params->bp;
  4492. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4493. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4494. if (is_link_up) {
  4495. DP(NETIF_MSG_LINK, "phy link up\n");
  4496. vars->phy_link_up = 1;
  4497. vars->link_status |= LINK_STATUS_LINK_UP;
  4498. switch (speed_mask) {
  4499. case GP_STATUS_10M:
  4500. vars->line_speed = SPEED_10;
  4501. if (vars->duplex == DUPLEX_FULL)
  4502. vars->link_status |= LINK_10TFD;
  4503. else
  4504. vars->link_status |= LINK_10THD;
  4505. break;
  4506. case GP_STATUS_100M:
  4507. vars->line_speed = SPEED_100;
  4508. if (vars->duplex == DUPLEX_FULL)
  4509. vars->link_status |= LINK_100TXFD;
  4510. else
  4511. vars->link_status |= LINK_100TXHD;
  4512. break;
  4513. case GP_STATUS_1G:
  4514. case GP_STATUS_1G_KX:
  4515. vars->line_speed = SPEED_1000;
  4516. if (vars->duplex == DUPLEX_FULL)
  4517. vars->link_status |= LINK_1000TFD;
  4518. else
  4519. vars->link_status |= LINK_1000THD;
  4520. break;
  4521. case GP_STATUS_2_5G:
  4522. vars->line_speed = SPEED_2500;
  4523. if (vars->duplex == DUPLEX_FULL)
  4524. vars->link_status |= LINK_2500TFD;
  4525. else
  4526. vars->link_status |= LINK_2500THD;
  4527. break;
  4528. case GP_STATUS_5G:
  4529. case GP_STATUS_6G:
  4530. DP(NETIF_MSG_LINK,
  4531. "link speed unsupported gp_status 0x%x\n",
  4532. speed_mask);
  4533. return -EINVAL;
  4534. case GP_STATUS_10G_KX4:
  4535. case GP_STATUS_10G_HIG:
  4536. case GP_STATUS_10G_CX4:
  4537. case GP_STATUS_10G_KR:
  4538. case GP_STATUS_10G_SFI:
  4539. case GP_STATUS_10G_XFI:
  4540. vars->line_speed = SPEED_10000;
  4541. vars->link_status |= LINK_10GTFD;
  4542. break;
  4543. case GP_STATUS_20G_DXGXS:
  4544. vars->line_speed = SPEED_20000;
  4545. vars->link_status |= LINK_20GTFD;
  4546. break;
  4547. default:
  4548. DP(NETIF_MSG_LINK,
  4549. "link speed unsupported gp_status 0x%x\n",
  4550. speed_mask);
  4551. return -EINVAL;
  4552. }
  4553. } else { /* link_down */
  4554. DP(NETIF_MSG_LINK, "phy link down\n");
  4555. vars->phy_link_up = 0;
  4556. vars->duplex = DUPLEX_FULL;
  4557. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4558. vars->mac_type = MAC_TYPE_NONE;
  4559. }
  4560. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4561. vars->phy_link_up, vars->line_speed);
  4562. return 0;
  4563. }
  4564. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4565. struct link_params *params,
  4566. struct link_vars *vars)
  4567. {
  4568. struct bnx2x *bp = params->bp;
  4569. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4570. int rc = 0;
  4571. /* Read gp_status */
  4572. CL22_RD_OVER_CL45(bp, phy,
  4573. MDIO_REG_BANK_GP_STATUS,
  4574. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4575. &gp_status);
  4576. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4577. duplex = DUPLEX_FULL;
  4578. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4579. link_up = 1;
  4580. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4581. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4582. gp_status, link_up, speed_mask);
  4583. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4584. duplex);
  4585. if (rc == -EINVAL)
  4586. return rc;
  4587. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4588. if (SINGLE_MEDIA_DIRECT(params)) {
  4589. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4590. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4591. bnx2x_xgxs_an_resolve(phy, params, vars,
  4592. gp_status);
  4593. }
  4594. } else { /* link_down */
  4595. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4596. SINGLE_MEDIA_DIRECT(params)) {
  4597. /* Check signal is detected */
  4598. bnx2x_check_fallback_to_cl37(phy, params);
  4599. }
  4600. }
  4601. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4602. vars->duplex, vars->flow_ctrl, vars->link_status);
  4603. return rc;
  4604. }
  4605. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4606. struct link_params *params,
  4607. struct link_vars *vars)
  4608. {
  4609. struct bnx2x *bp = params->bp;
  4610. u8 lane;
  4611. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4612. int rc = 0;
  4613. lane = bnx2x_get_warpcore_lane(phy, params);
  4614. /* Read gp_status */
  4615. if (phy->req_line_speed > SPEED_10000) {
  4616. u16 temp_link_up;
  4617. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4618. 1, &temp_link_up);
  4619. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4620. 1, &link_up);
  4621. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4622. temp_link_up, link_up);
  4623. link_up &= (1<<2);
  4624. if (link_up)
  4625. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4626. } else {
  4627. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4628. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4629. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4630. /* Check for either KR or generic link up. */
  4631. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4632. ((gp_status1 >> 12) & 0xf);
  4633. link_up = gp_status1 & (1 << lane);
  4634. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4635. u16 pd, gp_status4;
  4636. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4637. /* Check Autoneg complete */
  4638. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4639. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4640. &gp_status4);
  4641. if (gp_status4 & ((1<<12)<<lane))
  4642. vars->link_status |=
  4643. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4644. /* Check parallel detect used */
  4645. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4646. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4647. &pd);
  4648. if (pd & (1<<15))
  4649. vars->link_status |=
  4650. LINK_STATUS_PARALLEL_DETECTION_USED;
  4651. }
  4652. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4653. }
  4654. }
  4655. if (lane < 2) {
  4656. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4657. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4658. } else {
  4659. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4660. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4661. }
  4662. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4663. if ((lane & 1) == 0)
  4664. gp_speed <<= 8;
  4665. gp_speed &= 0x3f00;
  4666. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4667. duplex);
  4668. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4669. vars->duplex, vars->flow_ctrl, vars->link_status);
  4670. return rc;
  4671. }
  4672. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4673. {
  4674. struct bnx2x *bp = params->bp;
  4675. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4676. u16 lp_up2;
  4677. u16 tx_driver;
  4678. u16 bank;
  4679. /* read precomp */
  4680. CL22_RD_OVER_CL45(bp, phy,
  4681. MDIO_REG_BANK_OVER_1G,
  4682. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4683. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4684. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4685. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4686. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4687. if (lp_up2 == 0)
  4688. return;
  4689. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4690. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4691. CL22_RD_OVER_CL45(bp, phy,
  4692. bank,
  4693. MDIO_TX0_TX_DRIVER, &tx_driver);
  4694. /* replace tx_driver bits [15:12] */
  4695. if (lp_up2 !=
  4696. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4697. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4698. tx_driver |= lp_up2;
  4699. CL22_WR_OVER_CL45(bp, phy,
  4700. bank,
  4701. MDIO_TX0_TX_DRIVER, tx_driver);
  4702. }
  4703. }
  4704. }
  4705. static int bnx2x_emac_program(struct link_params *params,
  4706. struct link_vars *vars)
  4707. {
  4708. struct bnx2x *bp = params->bp;
  4709. u8 port = params->port;
  4710. u16 mode = 0;
  4711. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4712. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4713. EMAC_REG_EMAC_MODE,
  4714. (EMAC_MODE_25G_MODE |
  4715. EMAC_MODE_PORT_MII_10M |
  4716. EMAC_MODE_HALF_DUPLEX));
  4717. switch (vars->line_speed) {
  4718. case SPEED_10:
  4719. mode |= EMAC_MODE_PORT_MII_10M;
  4720. break;
  4721. case SPEED_100:
  4722. mode |= EMAC_MODE_PORT_MII;
  4723. break;
  4724. case SPEED_1000:
  4725. mode |= EMAC_MODE_PORT_GMII;
  4726. break;
  4727. case SPEED_2500:
  4728. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4729. break;
  4730. default:
  4731. /* 10G not valid for EMAC */
  4732. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4733. vars->line_speed);
  4734. return -EINVAL;
  4735. }
  4736. if (vars->duplex == DUPLEX_HALF)
  4737. mode |= EMAC_MODE_HALF_DUPLEX;
  4738. bnx2x_bits_en(bp,
  4739. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4740. mode);
  4741. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4742. return 0;
  4743. }
  4744. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4745. struct link_params *params)
  4746. {
  4747. u16 bank, i = 0;
  4748. struct bnx2x *bp = params->bp;
  4749. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4750. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4751. CL22_WR_OVER_CL45(bp, phy,
  4752. bank,
  4753. MDIO_RX0_RX_EQ_BOOST,
  4754. phy->rx_preemphasis[i]);
  4755. }
  4756. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4757. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4758. CL22_WR_OVER_CL45(bp, phy,
  4759. bank,
  4760. MDIO_TX0_TX_DRIVER,
  4761. phy->tx_preemphasis[i]);
  4762. }
  4763. }
  4764. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4765. struct link_params *params,
  4766. struct link_vars *vars)
  4767. {
  4768. struct bnx2x *bp = params->bp;
  4769. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4770. (params->loopback_mode == LOOPBACK_XGXS));
  4771. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4772. if (SINGLE_MEDIA_DIRECT(params) &&
  4773. (params->feature_config_flags &
  4774. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4775. bnx2x_set_preemphasis(phy, params);
  4776. /* forced speed requested? */
  4777. if (vars->line_speed != SPEED_AUTO_NEG ||
  4778. (SINGLE_MEDIA_DIRECT(params) &&
  4779. params->loopback_mode == LOOPBACK_EXT)) {
  4780. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4781. /* disable autoneg */
  4782. bnx2x_set_autoneg(phy, params, vars, 0);
  4783. /* program speed and duplex */
  4784. bnx2x_program_serdes(phy, params, vars);
  4785. } else { /* AN_mode */
  4786. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4787. /* AN enabled */
  4788. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4789. /* program duplex & pause advertisement (for aneg) */
  4790. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4791. vars->ieee_fc);
  4792. /* enable autoneg */
  4793. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4794. /* enable and restart AN */
  4795. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4796. }
  4797. } else { /* SGMII mode */
  4798. DP(NETIF_MSG_LINK, "SGMII\n");
  4799. bnx2x_initialize_sgmii_process(phy, params, vars);
  4800. }
  4801. }
  4802. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4803. struct link_params *params,
  4804. struct link_vars *vars)
  4805. {
  4806. int rc;
  4807. vars->phy_flags |= PHY_XGXS_FLAG;
  4808. if ((phy->req_line_speed &&
  4809. ((phy->req_line_speed == SPEED_100) ||
  4810. (phy->req_line_speed == SPEED_10))) ||
  4811. (!phy->req_line_speed &&
  4812. (phy->speed_cap_mask >=
  4813. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4814. (phy->speed_cap_mask <
  4815. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4816. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4817. vars->phy_flags |= PHY_SGMII_FLAG;
  4818. else
  4819. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4820. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4821. bnx2x_set_aer_mmd(params, phy);
  4822. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4823. bnx2x_set_master_ln(params, phy);
  4824. rc = bnx2x_reset_unicore(params, phy, 0);
  4825. /* reset the SerDes and wait for reset bit return low */
  4826. if (rc != 0)
  4827. return rc;
  4828. bnx2x_set_aer_mmd(params, phy);
  4829. /* setting the masterLn_def again after the reset */
  4830. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4831. bnx2x_set_master_ln(params, phy);
  4832. bnx2x_set_swap_lanes(params, phy);
  4833. }
  4834. return rc;
  4835. }
  4836. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4837. struct bnx2x_phy *phy,
  4838. struct link_params *params)
  4839. {
  4840. u16 cnt, ctrl;
  4841. /* Wait for soft reset to get cleared up to 1 sec */
  4842. for (cnt = 0; cnt < 1000; cnt++) {
  4843. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616)
  4844. bnx2x_cl22_read(bp, phy,
  4845. MDIO_PMA_REG_CTRL, &ctrl);
  4846. else
  4847. bnx2x_cl45_read(bp, phy,
  4848. MDIO_PMA_DEVAD,
  4849. MDIO_PMA_REG_CTRL, &ctrl);
  4850. if (!(ctrl & (1<<15)))
  4851. break;
  4852. msleep(1);
  4853. }
  4854. if (cnt == 1000)
  4855. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4856. " Port %d\n",
  4857. params->port);
  4858. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4859. return cnt;
  4860. }
  4861. static void bnx2x_link_int_enable(struct link_params *params)
  4862. {
  4863. u8 port = params->port;
  4864. u32 mask;
  4865. struct bnx2x *bp = params->bp;
  4866. /* Setting the status to report on link up for either XGXS or SerDes */
  4867. if (CHIP_IS_E3(bp)) {
  4868. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4869. if (!(SINGLE_MEDIA_DIRECT(params)))
  4870. mask |= NIG_MASK_MI_INT;
  4871. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4872. mask = (NIG_MASK_XGXS0_LINK10G |
  4873. NIG_MASK_XGXS0_LINK_STATUS);
  4874. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4875. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4876. params->phy[INT_PHY].type !=
  4877. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4878. mask |= NIG_MASK_MI_INT;
  4879. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4880. }
  4881. } else { /* SerDes */
  4882. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4883. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4884. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4885. params->phy[INT_PHY].type !=
  4886. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4887. mask |= NIG_MASK_MI_INT;
  4888. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4889. }
  4890. }
  4891. bnx2x_bits_en(bp,
  4892. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4893. mask);
  4894. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4895. (params->switch_cfg == SWITCH_CFG_10G),
  4896. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4897. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4898. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4899. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4900. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4901. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4902. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4903. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4904. }
  4905. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4906. u8 exp_mi_int)
  4907. {
  4908. u32 latch_status = 0;
  4909. /*
  4910. * Disable the MI INT ( external phy int ) by writing 1 to the
  4911. * status register. Link down indication is high-active-signal,
  4912. * so in this case we need to write the status to clear the XOR
  4913. */
  4914. /* Read Latched signals */
  4915. latch_status = REG_RD(bp,
  4916. NIG_REG_LATCH_STATUS_0 + port*8);
  4917. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4918. /* Handle only those with latched-signal=up.*/
  4919. if (exp_mi_int)
  4920. bnx2x_bits_en(bp,
  4921. NIG_REG_STATUS_INTERRUPT_PORT0
  4922. + port*4,
  4923. NIG_STATUS_EMAC0_MI_INT);
  4924. else
  4925. bnx2x_bits_dis(bp,
  4926. NIG_REG_STATUS_INTERRUPT_PORT0
  4927. + port*4,
  4928. NIG_STATUS_EMAC0_MI_INT);
  4929. if (latch_status & 1) {
  4930. /* For all latched-signal=up : Re-Arm Latch signals */
  4931. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4932. (latch_status & 0xfffe) | (latch_status & 1));
  4933. }
  4934. /* For all latched-signal=up,Write original_signal to status */
  4935. }
  4936. static void bnx2x_link_int_ack(struct link_params *params,
  4937. struct link_vars *vars, u8 is_10g_plus)
  4938. {
  4939. struct bnx2x *bp = params->bp;
  4940. u8 port = params->port;
  4941. u32 mask;
  4942. /*
  4943. * First reset all status we assume only one line will be
  4944. * change at a time
  4945. */
  4946. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4947. (NIG_STATUS_XGXS0_LINK10G |
  4948. NIG_STATUS_XGXS0_LINK_STATUS |
  4949. NIG_STATUS_SERDES0_LINK_STATUS));
  4950. if (vars->phy_link_up) {
  4951. if (USES_WARPCORE(bp))
  4952. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4953. else {
  4954. if (is_10g_plus)
  4955. mask = NIG_STATUS_XGXS0_LINK10G;
  4956. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4957. /*
  4958. * Disable the link interrupt by writing 1 to
  4959. * the relevant lane in the status register
  4960. */
  4961. u32 ser_lane =
  4962. ((params->lane_config &
  4963. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4964. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4965. mask = ((1 << ser_lane) <<
  4966. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4967. } else
  4968. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4969. }
  4970. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  4971. mask);
  4972. bnx2x_bits_en(bp,
  4973. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4974. mask);
  4975. }
  4976. }
  4977. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  4978. {
  4979. u8 *str_ptr = str;
  4980. u32 mask = 0xf0000000;
  4981. u8 shift = 8*4;
  4982. u8 digit;
  4983. u8 remove_leading_zeros = 1;
  4984. if (*len < 10) {
  4985. /* Need more than 10chars for this format */
  4986. *str_ptr = '\0';
  4987. (*len)--;
  4988. return -EINVAL;
  4989. }
  4990. while (shift > 0) {
  4991. shift -= 4;
  4992. digit = ((num & mask) >> shift);
  4993. if (digit == 0 && remove_leading_zeros) {
  4994. mask = mask >> 4;
  4995. continue;
  4996. } else if (digit < 0xa)
  4997. *str_ptr = digit + '0';
  4998. else
  4999. *str_ptr = digit - 0xa + 'a';
  5000. remove_leading_zeros = 0;
  5001. str_ptr++;
  5002. (*len)--;
  5003. mask = mask >> 4;
  5004. if (shift == 4*4) {
  5005. *str_ptr = '.';
  5006. str_ptr++;
  5007. (*len)--;
  5008. remove_leading_zeros = 1;
  5009. }
  5010. }
  5011. return 0;
  5012. }
  5013. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5014. {
  5015. str[0] = '\0';
  5016. (*len)--;
  5017. return 0;
  5018. }
  5019. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5020. u8 *version, u16 len)
  5021. {
  5022. struct bnx2x *bp;
  5023. u32 spirom_ver = 0;
  5024. int status = 0;
  5025. u8 *ver_p = version;
  5026. u16 remain_len = len;
  5027. if (version == NULL || params == NULL)
  5028. return -EINVAL;
  5029. bp = params->bp;
  5030. /* Extract first external phy*/
  5031. version[0] = '\0';
  5032. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5033. if (params->phy[EXT_PHY1].format_fw_ver) {
  5034. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5035. ver_p,
  5036. &remain_len);
  5037. ver_p += (len - remain_len);
  5038. }
  5039. if ((params->num_phys == MAX_PHYS) &&
  5040. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5041. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5042. if (params->phy[EXT_PHY2].format_fw_ver) {
  5043. *ver_p = '/';
  5044. ver_p++;
  5045. remain_len--;
  5046. status |= params->phy[EXT_PHY2].format_fw_ver(
  5047. spirom_ver,
  5048. ver_p,
  5049. &remain_len);
  5050. ver_p = version + (len - remain_len);
  5051. }
  5052. }
  5053. *ver_p = '\0';
  5054. return status;
  5055. }
  5056. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5057. struct link_params *params)
  5058. {
  5059. u8 port = params->port;
  5060. struct bnx2x *bp = params->bp;
  5061. if (phy->req_line_speed != SPEED_1000) {
  5062. u32 md_devad = 0;
  5063. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5064. if (!CHIP_IS_E3(bp)) {
  5065. /* change the uni_phy_addr in the nig */
  5066. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5067. port*0x18));
  5068. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5069. 0x5);
  5070. }
  5071. bnx2x_cl45_write(bp, phy,
  5072. 5,
  5073. (MDIO_REG_BANK_AER_BLOCK +
  5074. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5075. 0x2800);
  5076. bnx2x_cl45_write(bp, phy,
  5077. 5,
  5078. (MDIO_REG_BANK_CL73_IEEEB0 +
  5079. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5080. 0x6041);
  5081. msleep(200);
  5082. /* set aer mmd back */
  5083. bnx2x_set_aer_mmd(params, phy);
  5084. if (!CHIP_IS_E3(bp)) {
  5085. /* and md_devad */
  5086. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5087. md_devad);
  5088. }
  5089. } else {
  5090. u16 mii_ctrl;
  5091. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5092. bnx2x_cl45_read(bp, phy, 5,
  5093. (MDIO_REG_BANK_COMBO_IEEE0 +
  5094. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5095. &mii_ctrl);
  5096. bnx2x_cl45_write(bp, phy, 5,
  5097. (MDIO_REG_BANK_COMBO_IEEE0 +
  5098. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5099. mii_ctrl |
  5100. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5101. }
  5102. }
  5103. int bnx2x_set_led(struct link_params *params,
  5104. struct link_vars *vars, u8 mode, u32 speed)
  5105. {
  5106. u8 port = params->port;
  5107. u16 hw_led_mode = params->hw_led_mode;
  5108. int rc = 0;
  5109. u8 phy_idx;
  5110. u32 tmp;
  5111. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5112. struct bnx2x *bp = params->bp;
  5113. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5114. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5115. speed, hw_led_mode);
  5116. /* In case */
  5117. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5118. if (params->phy[phy_idx].set_link_led) {
  5119. params->phy[phy_idx].set_link_led(
  5120. &params->phy[phy_idx], params, mode);
  5121. }
  5122. }
  5123. switch (mode) {
  5124. case LED_MODE_FRONT_PANEL_OFF:
  5125. case LED_MODE_OFF:
  5126. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5127. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5128. SHARED_HW_CFG_LED_MAC1);
  5129. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5130. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5131. break;
  5132. case LED_MODE_OPER:
  5133. /*
  5134. * For all other phys, OPER mode is same as ON, so in case
  5135. * link is down, do nothing
  5136. */
  5137. if (!vars->link_up)
  5138. break;
  5139. case LED_MODE_ON:
  5140. if (((params->phy[EXT_PHY1].type ==
  5141. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5142. (params->phy[EXT_PHY1].type ==
  5143. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5144. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5145. /*
  5146. * This is a work-around for E2+8727 Configurations
  5147. */
  5148. if (mode == LED_MODE_ON ||
  5149. speed == SPEED_10000){
  5150. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5151. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5152. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5153. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5154. (tmp | EMAC_LED_OVERRIDE));
  5155. return rc;
  5156. }
  5157. } else if (SINGLE_MEDIA_DIRECT(params) &&
  5158. (CHIP_IS_E1x(bp) ||
  5159. CHIP_IS_E2(bp))) {
  5160. /*
  5161. * This is a work-around for HW issue found when link
  5162. * is up in CL73
  5163. */
  5164. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5165. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5166. } else {
  5167. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5168. }
  5169. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5170. /* Set blinking rate to ~15.9Hz */
  5171. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5172. LED_BLINK_RATE_VAL);
  5173. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5174. port*4, 1);
  5175. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5176. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5177. if (CHIP_IS_E1(bp) &&
  5178. ((speed == SPEED_2500) ||
  5179. (speed == SPEED_1000) ||
  5180. (speed == SPEED_100) ||
  5181. (speed == SPEED_10))) {
  5182. /*
  5183. * On Everest 1 Ax chip versions for speeds less than
  5184. * 10G LED scheme is different
  5185. */
  5186. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5187. + port*4, 1);
  5188. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5189. port*4, 0);
  5190. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5191. port*4, 1);
  5192. }
  5193. break;
  5194. default:
  5195. rc = -EINVAL;
  5196. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5197. mode);
  5198. break;
  5199. }
  5200. return rc;
  5201. }
  5202. /*
  5203. * This function comes to reflect the actual link state read DIRECTLY from the
  5204. * HW
  5205. */
  5206. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5207. u8 is_serdes)
  5208. {
  5209. struct bnx2x *bp = params->bp;
  5210. u16 gp_status = 0, phy_index = 0;
  5211. u8 ext_phy_link_up = 0, serdes_phy_type;
  5212. struct link_vars temp_vars;
  5213. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5214. if (CHIP_IS_E3(bp)) {
  5215. u16 link_up;
  5216. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5217. > SPEED_10000) {
  5218. /* Check 20G link */
  5219. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5220. 1, &link_up);
  5221. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5222. 1, &link_up);
  5223. link_up &= (1<<2);
  5224. } else {
  5225. /* Check 10G link and below*/
  5226. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5227. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5228. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5229. &gp_status);
  5230. gp_status = ((gp_status >> 8) & 0xf) |
  5231. ((gp_status >> 12) & 0xf);
  5232. link_up = gp_status & (1 << lane);
  5233. }
  5234. if (!link_up)
  5235. return -ESRCH;
  5236. } else {
  5237. CL22_RD_OVER_CL45(bp, int_phy,
  5238. MDIO_REG_BANK_GP_STATUS,
  5239. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5240. &gp_status);
  5241. /* link is up only if both local phy and external phy are up */
  5242. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5243. return -ESRCH;
  5244. }
  5245. /* In XGXS loopback mode, do not check external PHY */
  5246. if (params->loopback_mode == LOOPBACK_XGXS)
  5247. return 0;
  5248. switch (params->num_phys) {
  5249. case 1:
  5250. /* No external PHY */
  5251. return 0;
  5252. case 2:
  5253. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5254. &params->phy[EXT_PHY1],
  5255. params, &temp_vars);
  5256. break;
  5257. case 3: /* Dual Media */
  5258. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5259. phy_index++) {
  5260. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5261. ETH_PHY_SFP_FIBER) ||
  5262. (params->phy[phy_index].media_type ==
  5263. ETH_PHY_XFP_FIBER) ||
  5264. (params->phy[phy_index].media_type ==
  5265. ETH_PHY_DA_TWINAX));
  5266. if (is_serdes != serdes_phy_type)
  5267. continue;
  5268. if (params->phy[phy_index].read_status) {
  5269. ext_phy_link_up |=
  5270. params->phy[phy_index].read_status(
  5271. &params->phy[phy_index],
  5272. params, &temp_vars);
  5273. }
  5274. }
  5275. break;
  5276. }
  5277. if (ext_phy_link_up)
  5278. return 0;
  5279. return -ESRCH;
  5280. }
  5281. static int bnx2x_link_initialize(struct link_params *params,
  5282. struct link_vars *vars)
  5283. {
  5284. int rc = 0;
  5285. u8 phy_index, non_ext_phy;
  5286. struct bnx2x *bp = params->bp;
  5287. /*
  5288. * In case of external phy existence, the line speed would be the
  5289. * line speed linked up by the external phy. In case it is direct
  5290. * only, then the line_speed during initialization will be
  5291. * equal to the req_line_speed
  5292. */
  5293. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5294. /*
  5295. * Initialize the internal phy in case this is a direct board
  5296. * (no external phys), or this board has external phy which requires
  5297. * to first.
  5298. */
  5299. if (!USES_WARPCORE(bp))
  5300. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5301. /* init ext phy and enable link state int */
  5302. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5303. (params->loopback_mode == LOOPBACK_XGXS));
  5304. if (non_ext_phy ||
  5305. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5306. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5307. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5308. if (vars->line_speed == SPEED_AUTO_NEG &&
  5309. (CHIP_IS_E1x(bp) ||
  5310. CHIP_IS_E2(bp)))
  5311. bnx2x_set_parallel_detection(phy, params);
  5312. if (params->phy[INT_PHY].config_init)
  5313. params->phy[INT_PHY].config_init(phy,
  5314. params,
  5315. vars);
  5316. }
  5317. /* Init external phy*/
  5318. if (non_ext_phy) {
  5319. if (params->phy[INT_PHY].supported &
  5320. SUPPORTED_FIBRE)
  5321. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5322. } else {
  5323. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5324. phy_index++) {
  5325. /*
  5326. * No need to initialize second phy in case of first
  5327. * phy only selection. In case of second phy, we do
  5328. * need to initialize the first phy, since they are
  5329. * connected.
  5330. */
  5331. if (params->phy[phy_index].supported &
  5332. SUPPORTED_FIBRE)
  5333. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5334. if (phy_index == EXT_PHY2 &&
  5335. (bnx2x_phy_selection(params) ==
  5336. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5337. DP(NETIF_MSG_LINK, "Not initializing"
  5338. " second phy\n");
  5339. continue;
  5340. }
  5341. params->phy[phy_index].config_init(
  5342. &params->phy[phy_index],
  5343. params, vars);
  5344. }
  5345. }
  5346. /* Reset the interrupt indication after phy was initialized */
  5347. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5348. params->port*4,
  5349. (NIG_STATUS_XGXS0_LINK10G |
  5350. NIG_STATUS_XGXS0_LINK_STATUS |
  5351. NIG_STATUS_SERDES0_LINK_STATUS |
  5352. NIG_MASK_MI_INT));
  5353. bnx2x_update_mng(params, vars->link_status);
  5354. return rc;
  5355. }
  5356. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5357. struct link_params *params)
  5358. {
  5359. /* reset the SerDes/XGXS */
  5360. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5361. (0x1ff << (params->port*16)));
  5362. }
  5363. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5364. struct link_params *params)
  5365. {
  5366. struct bnx2x *bp = params->bp;
  5367. u8 gpio_port;
  5368. /* HW reset */
  5369. if (CHIP_IS_E2(bp))
  5370. gpio_port = BP_PATH(bp);
  5371. else
  5372. gpio_port = params->port;
  5373. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5374. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5375. gpio_port);
  5376. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5377. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5378. gpio_port);
  5379. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5380. }
  5381. static int bnx2x_update_link_down(struct link_params *params,
  5382. struct link_vars *vars)
  5383. {
  5384. struct bnx2x *bp = params->bp;
  5385. u8 port = params->port;
  5386. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5387. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5388. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5389. /* indicate no mac active */
  5390. vars->mac_type = MAC_TYPE_NONE;
  5391. /* update shared memory */
  5392. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5393. LINK_STATUS_LINK_UP |
  5394. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5395. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5396. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5397. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5398. vars->line_speed = 0;
  5399. bnx2x_update_mng(params, vars->link_status);
  5400. /* activate nig drain */
  5401. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5402. /* disable emac */
  5403. if (!CHIP_IS_E3(bp))
  5404. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5405. msleep(10);
  5406. /* reset BigMac/Xmac */
  5407. if (CHIP_IS_E1x(bp) ||
  5408. CHIP_IS_E2(bp)) {
  5409. bnx2x_bmac_rx_disable(bp, params->port);
  5410. REG_WR(bp, GRCBASE_MISC +
  5411. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5412. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5413. }
  5414. if (CHIP_IS_E3(bp))
  5415. bnx2x_xmac_disable(params);
  5416. return 0;
  5417. }
  5418. static int bnx2x_update_link_up(struct link_params *params,
  5419. struct link_vars *vars,
  5420. u8 link_10g)
  5421. {
  5422. struct bnx2x *bp = params->bp;
  5423. u8 port = params->port;
  5424. int rc = 0;
  5425. vars->link_status |= LINK_STATUS_LINK_UP;
  5426. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5427. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5428. vars->link_status |=
  5429. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5430. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5431. vars->link_status |=
  5432. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5433. if (USES_WARPCORE(bp)) {
  5434. if (link_10g) {
  5435. if (bnx2x_xmac_enable(params, vars, 0) ==
  5436. -ESRCH) {
  5437. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5438. vars->link_up = 0;
  5439. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5440. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5441. }
  5442. } else
  5443. bnx2x_umac_enable(params, vars, 0);
  5444. bnx2x_set_led(params, vars,
  5445. LED_MODE_OPER, vars->line_speed);
  5446. }
  5447. if ((CHIP_IS_E1x(bp) ||
  5448. CHIP_IS_E2(bp))) {
  5449. if (link_10g) {
  5450. if (bnx2x_bmac_enable(params, vars, 0) ==
  5451. -ESRCH) {
  5452. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5453. vars->link_up = 0;
  5454. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5455. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5456. }
  5457. bnx2x_set_led(params, vars,
  5458. LED_MODE_OPER, SPEED_10000);
  5459. } else {
  5460. rc = bnx2x_emac_program(params, vars);
  5461. bnx2x_emac_enable(params, vars, 0);
  5462. /* AN complete? */
  5463. if ((vars->link_status &
  5464. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5465. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5466. SINGLE_MEDIA_DIRECT(params))
  5467. bnx2x_set_gmii_tx_driver(params);
  5468. }
  5469. }
  5470. /* PBF - link up */
  5471. if (CHIP_IS_E1x(bp))
  5472. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5473. vars->line_speed);
  5474. /* disable drain */
  5475. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5476. /* update shared memory */
  5477. bnx2x_update_mng(params, vars->link_status);
  5478. msleep(20);
  5479. return rc;
  5480. }
  5481. /*
  5482. * The bnx2x_link_update function should be called upon link
  5483. * interrupt.
  5484. * Link is considered up as follows:
  5485. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5486. * to be up
  5487. * - SINGLE_MEDIA - The link between the 577xx and the external
  5488. * phy (XGXS) need to up as well as the external link of the
  5489. * phy (PHY_EXT1)
  5490. * - DUAL_MEDIA - The link between the 577xx and the first
  5491. * external phy needs to be up, and at least one of the 2
  5492. * external phy link must be up.
  5493. */
  5494. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5495. {
  5496. struct bnx2x *bp = params->bp;
  5497. struct link_vars phy_vars[MAX_PHYS];
  5498. u8 port = params->port;
  5499. u8 link_10g_plus, phy_index;
  5500. u8 ext_phy_link_up = 0, cur_link_up;
  5501. int rc = 0;
  5502. u8 is_mi_int = 0;
  5503. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5504. u8 active_external_phy = INT_PHY;
  5505. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5506. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5507. phy_index++) {
  5508. phy_vars[phy_index].flow_ctrl = 0;
  5509. phy_vars[phy_index].link_status = 0;
  5510. phy_vars[phy_index].line_speed = 0;
  5511. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5512. phy_vars[phy_index].phy_link_up = 0;
  5513. phy_vars[phy_index].link_up = 0;
  5514. phy_vars[phy_index].fault_detected = 0;
  5515. }
  5516. if (USES_WARPCORE(bp))
  5517. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5518. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5519. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5520. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5521. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5522. port*0x18) > 0);
  5523. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5524. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5525. is_mi_int,
  5526. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5527. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5528. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5529. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5530. /* disable emac */
  5531. if (!CHIP_IS_E3(bp))
  5532. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5533. /*
  5534. * Step 1:
  5535. * Check external link change only for external phys, and apply
  5536. * priority selection between them in case the link on both phys
  5537. * is up. Note that instead of the common vars, a temporary
  5538. * vars argument is used since each phy may have different link/
  5539. * speed/duplex result
  5540. */
  5541. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5542. phy_index++) {
  5543. struct bnx2x_phy *phy = &params->phy[phy_index];
  5544. if (!phy->read_status)
  5545. continue;
  5546. /* Read link status and params of this ext phy */
  5547. cur_link_up = phy->read_status(phy, params,
  5548. &phy_vars[phy_index]);
  5549. if (cur_link_up) {
  5550. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5551. phy_index);
  5552. } else {
  5553. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5554. phy_index);
  5555. continue;
  5556. }
  5557. if (!ext_phy_link_up) {
  5558. ext_phy_link_up = 1;
  5559. active_external_phy = phy_index;
  5560. } else {
  5561. switch (bnx2x_phy_selection(params)) {
  5562. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5563. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5564. /*
  5565. * In this option, the first PHY makes sure to pass the
  5566. * traffic through itself only.
  5567. * Its not clear how to reset the link on the second phy
  5568. */
  5569. active_external_phy = EXT_PHY1;
  5570. break;
  5571. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5572. /*
  5573. * In this option, the first PHY makes sure to pass the
  5574. * traffic through the second PHY.
  5575. */
  5576. active_external_phy = EXT_PHY2;
  5577. break;
  5578. default:
  5579. /*
  5580. * Link indication on both PHYs with the following cases
  5581. * is invalid:
  5582. * - FIRST_PHY means that second phy wasn't initialized,
  5583. * hence its link is expected to be down
  5584. * - SECOND_PHY means that first phy should not be able
  5585. * to link up by itself (using configuration)
  5586. * - DEFAULT should be overriden during initialiazation
  5587. */
  5588. DP(NETIF_MSG_LINK, "Invalid link indication"
  5589. "mpc=0x%x. DISABLING LINK !!!\n",
  5590. params->multi_phy_config);
  5591. ext_phy_link_up = 0;
  5592. break;
  5593. }
  5594. }
  5595. }
  5596. prev_line_speed = vars->line_speed;
  5597. /*
  5598. * Step 2:
  5599. * Read the status of the internal phy. In case of
  5600. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5601. * otherwise this is the link between the 577xx and the first
  5602. * external phy
  5603. */
  5604. if (params->phy[INT_PHY].read_status)
  5605. params->phy[INT_PHY].read_status(
  5606. &params->phy[INT_PHY],
  5607. params, vars);
  5608. /*
  5609. * The INT_PHY flow control reside in the vars. This include the
  5610. * case where the speed or flow control are not set to AUTO.
  5611. * Otherwise, the active external phy flow control result is set
  5612. * to the vars. The ext_phy_line_speed is needed to check if the
  5613. * speed is different between the internal phy and external phy.
  5614. * This case may be result of intermediate link speed change.
  5615. */
  5616. if (active_external_phy > INT_PHY) {
  5617. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5618. /*
  5619. * Link speed is taken from the XGXS. AN and FC result from
  5620. * the external phy.
  5621. */
  5622. vars->link_status |= phy_vars[active_external_phy].link_status;
  5623. /*
  5624. * if active_external_phy is first PHY and link is up - disable
  5625. * disable TX on second external PHY
  5626. */
  5627. if (active_external_phy == EXT_PHY1) {
  5628. if (params->phy[EXT_PHY2].phy_specific_func) {
  5629. DP(NETIF_MSG_LINK, "Disabling TX on"
  5630. " EXT_PHY2\n");
  5631. params->phy[EXT_PHY2].phy_specific_func(
  5632. &params->phy[EXT_PHY2],
  5633. params, DISABLE_TX);
  5634. }
  5635. }
  5636. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5637. vars->duplex = phy_vars[active_external_phy].duplex;
  5638. if (params->phy[active_external_phy].supported &
  5639. SUPPORTED_FIBRE)
  5640. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5641. else
  5642. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5643. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5644. active_external_phy);
  5645. }
  5646. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5647. phy_index++) {
  5648. if (params->phy[phy_index].flags &
  5649. FLAGS_REARM_LATCH_SIGNAL) {
  5650. bnx2x_rearm_latch_signal(bp, port,
  5651. phy_index ==
  5652. active_external_phy);
  5653. break;
  5654. }
  5655. }
  5656. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5657. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5658. vars->link_status, ext_phy_line_speed);
  5659. /*
  5660. * Upon link speed change set the NIG into drain mode. Comes to
  5661. * deals with possible FIFO glitch due to clk change when speed
  5662. * is decreased without link down indicator
  5663. */
  5664. if (vars->phy_link_up) {
  5665. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5666. (ext_phy_line_speed != vars->line_speed)) {
  5667. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5668. " different than the external"
  5669. " link speed %d\n", vars->line_speed,
  5670. ext_phy_line_speed);
  5671. vars->phy_link_up = 0;
  5672. } else if (prev_line_speed != vars->line_speed) {
  5673. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5674. 0);
  5675. msleep(1);
  5676. }
  5677. }
  5678. /* anything 10 and over uses the bmac */
  5679. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5680. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5681. /*
  5682. * In case external phy link is up, and internal link is down
  5683. * (not initialized yet probably after link initialization, it
  5684. * needs to be initialized.
  5685. * Note that after link down-up as result of cable plug, the xgxs
  5686. * link would probably become up again without the need
  5687. * initialize it
  5688. */
  5689. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5690. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5691. " init_preceding = %d\n", ext_phy_link_up,
  5692. vars->phy_link_up,
  5693. params->phy[EXT_PHY1].flags &
  5694. FLAGS_INIT_XGXS_FIRST);
  5695. if (!(params->phy[EXT_PHY1].flags &
  5696. FLAGS_INIT_XGXS_FIRST)
  5697. && ext_phy_link_up && !vars->phy_link_up) {
  5698. vars->line_speed = ext_phy_line_speed;
  5699. if (vars->line_speed < SPEED_1000)
  5700. vars->phy_flags |= PHY_SGMII_FLAG;
  5701. else
  5702. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5703. if (params->phy[INT_PHY].config_init)
  5704. params->phy[INT_PHY].config_init(
  5705. &params->phy[INT_PHY], params,
  5706. vars);
  5707. }
  5708. }
  5709. /*
  5710. * Link is up only if both local phy and external phy (in case of
  5711. * non-direct board) are up and no fault detected on active PHY.
  5712. */
  5713. vars->link_up = (vars->phy_link_up &&
  5714. (ext_phy_link_up ||
  5715. SINGLE_MEDIA_DIRECT(params)) &&
  5716. (phy_vars[active_external_phy].fault_detected == 0));
  5717. if (vars->link_up)
  5718. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5719. else
  5720. rc = bnx2x_update_link_down(params, vars);
  5721. return rc;
  5722. }
  5723. /*****************************************************************************/
  5724. /* External Phy section */
  5725. /*****************************************************************************/
  5726. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5727. {
  5728. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5729. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5730. msleep(1);
  5731. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5732. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5733. }
  5734. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5735. u32 spirom_ver, u32 ver_addr)
  5736. {
  5737. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5738. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5739. if (ver_addr)
  5740. REG_WR(bp, ver_addr, spirom_ver);
  5741. }
  5742. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5743. struct bnx2x_phy *phy,
  5744. u8 port)
  5745. {
  5746. u16 fw_ver1, fw_ver2;
  5747. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5748. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5749. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5750. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5751. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5752. phy->ver_addr);
  5753. }
  5754. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5755. struct bnx2x_phy *phy,
  5756. struct link_vars *vars)
  5757. {
  5758. u16 val;
  5759. bnx2x_cl45_read(bp, phy,
  5760. MDIO_AN_DEVAD,
  5761. MDIO_AN_REG_STATUS, &val);
  5762. bnx2x_cl45_read(bp, phy,
  5763. MDIO_AN_DEVAD,
  5764. MDIO_AN_REG_STATUS, &val);
  5765. if (val & (1<<5))
  5766. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5767. if ((val & (1<<0)) == 0)
  5768. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5769. }
  5770. /******************************************************************/
  5771. /* common BCM8073/BCM8727 PHY SECTION */
  5772. /******************************************************************/
  5773. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5774. struct link_params *params,
  5775. struct link_vars *vars)
  5776. {
  5777. struct bnx2x *bp = params->bp;
  5778. if (phy->req_line_speed == SPEED_10 ||
  5779. phy->req_line_speed == SPEED_100) {
  5780. vars->flow_ctrl = phy->req_flow_ctrl;
  5781. return;
  5782. }
  5783. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5784. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5785. u16 pause_result;
  5786. u16 ld_pause; /* local */
  5787. u16 lp_pause; /* link partner */
  5788. bnx2x_cl45_read(bp, phy,
  5789. MDIO_AN_DEVAD,
  5790. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5791. bnx2x_cl45_read(bp, phy,
  5792. MDIO_AN_DEVAD,
  5793. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5794. pause_result = (ld_pause &
  5795. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5796. pause_result |= (lp_pause &
  5797. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5798. bnx2x_pause_resolve(vars, pause_result);
  5799. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5800. pause_result);
  5801. }
  5802. }
  5803. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5804. struct bnx2x_phy *phy,
  5805. u8 port)
  5806. {
  5807. u32 count = 0;
  5808. u16 fw_ver1, fw_msgout;
  5809. int rc = 0;
  5810. /* Boot port from external ROM */
  5811. /* EDC grst */
  5812. bnx2x_cl45_write(bp, phy,
  5813. MDIO_PMA_DEVAD,
  5814. MDIO_PMA_REG_GEN_CTRL,
  5815. 0x0001);
  5816. /* ucode reboot and rst */
  5817. bnx2x_cl45_write(bp, phy,
  5818. MDIO_PMA_DEVAD,
  5819. MDIO_PMA_REG_GEN_CTRL,
  5820. 0x008c);
  5821. bnx2x_cl45_write(bp, phy,
  5822. MDIO_PMA_DEVAD,
  5823. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5824. /* Reset internal microprocessor */
  5825. bnx2x_cl45_write(bp, phy,
  5826. MDIO_PMA_DEVAD,
  5827. MDIO_PMA_REG_GEN_CTRL,
  5828. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5829. /* Release srst bit */
  5830. bnx2x_cl45_write(bp, phy,
  5831. MDIO_PMA_DEVAD,
  5832. MDIO_PMA_REG_GEN_CTRL,
  5833. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5834. /* Delay 100ms per the PHY specifications */
  5835. msleep(100);
  5836. /* 8073 sometimes taking longer to download */
  5837. do {
  5838. count++;
  5839. if (count > 300) {
  5840. DP(NETIF_MSG_LINK,
  5841. "bnx2x_8073_8727_external_rom_boot port %x:"
  5842. "Download failed. fw version = 0x%x\n",
  5843. port, fw_ver1);
  5844. rc = -EINVAL;
  5845. break;
  5846. }
  5847. bnx2x_cl45_read(bp, phy,
  5848. MDIO_PMA_DEVAD,
  5849. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5850. bnx2x_cl45_read(bp, phy,
  5851. MDIO_PMA_DEVAD,
  5852. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5853. msleep(1);
  5854. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5855. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5856. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5857. /* Clear ser_boot_ctl bit */
  5858. bnx2x_cl45_write(bp, phy,
  5859. MDIO_PMA_DEVAD,
  5860. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5861. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5862. DP(NETIF_MSG_LINK,
  5863. "bnx2x_8073_8727_external_rom_boot port %x:"
  5864. "Download complete. fw version = 0x%x\n",
  5865. port, fw_ver1);
  5866. return rc;
  5867. }
  5868. /******************************************************************/
  5869. /* BCM8073 PHY SECTION */
  5870. /******************************************************************/
  5871. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5872. {
  5873. /* This is only required for 8073A1, version 102 only */
  5874. u16 val;
  5875. /* Read 8073 HW revision*/
  5876. bnx2x_cl45_read(bp, phy,
  5877. MDIO_PMA_DEVAD,
  5878. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5879. if (val != 1) {
  5880. /* No need to workaround in 8073 A1 */
  5881. return 0;
  5882. }
  5883. bnx2x_cl45_read(bp, phy,
  5884. MDIO_PMA_DEVAD,
  5885. MDIO_PMA_REG_ROM_VER2, &val);
  5886. /* SNR should be applied only for version 0x102 */
  5887. if (val != 0x102)
  5888. return 0;
  5889. return 1;
  5890. }
  5891. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5892. {
  5893. u16 val, cnt, cnt1 ;
  5894. bnx2x_cl45_read(bp, phy,
  5895. MDIO_PMA_DEVAD,
  5896. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5897. if (val > 0) {
  5898. /* No need to workaround in 8073 A1 */
  5899. return 0;
  5900. }
  5901. /* XAUI workaround in 8073 A0: */
  5902. /*
  5903. * After loading the boot ROM and restarting Autoneg, poll
  5904. * Dev1, Reg $C820:
  5905. */
  5906. for (cnt = 0; cnt < 1000; cnt++) {
  5907. bnx2x_cl45_read(bp, phy,
  5908. MDIO_PMA_DEVAD,
  5909. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5910. &val);
  5911. /*
  5912. * If bit [14] = 0 or bit [13] = 0, continue on with
  5913. * system initialization (XAUI work-around not required, as
  5914. * these bits indicate 2.5G or 1G link up).
  5915. */
  5916. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5917. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5918. return 0;
  5919. } else if (!(val & (1<<15))) {
  5920. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5921. /*
  5922. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5923. * MSB (bit15) goes to 1 (indicating that the XAUI
  5924. * workaround has completed), then continue on with
  5925. * system initialization.
  5926. */
  5927. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5928. bnx2x_cl45_read(bp, phy,
  5929. MDIO_PMA_DEVAD,
  5930. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5931. if (val & (1<<15)) {
  5932. DP(NETIF_MSG_LINK,
  5933. "XAUI workaround has completed\n");
  5934. return 0;
  5935. }
  5936. msleep(3);
  5937. }
  5938. break;
  5939. }
  5940. msleep(3);
  5941. }
  5942. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5943. return -EINVAL;
  5944. }
  5945. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5946. {
  5947. /* Force KR or KX */
  5948. bnx2x_cl45_write(bp, phy,
  5949. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5950. bnx2x_cl45_write(bp, phy,
  5951. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5952. bnx2x_cl45_write(bp, phy,
  5953. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5954. bnx2x_cl45_write(bp, phy,
  5955. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5956. }
  5957. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5958. struct bnx2x_phy *phy,
  5959. struct link_vars *vars)
  5960. {
  5961. u16 cl37_val;
  5962. struct bnx2x *bp = params->bp;
  5963. bnx2x_cl45_read(bp, phy,
  5964. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  5965. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5966. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  5967. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5968. if ((vars->ieee_fc &
  5969. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  5970. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  5971. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  5972. }
  5973. if ((vars->ieee_fc &
  5974. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  5975. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  5976. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  5977. }
  5978. if ((vars->ieee_fc &
  5979. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  5980. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  5981. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5982. }
  5983. DP(NETIF_MSG_LINK,
  5984. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  5985. bnx2x_cl45_write(bp, phy,
  5986. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  5987. msleep(500);
  5988. }
  5989. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  5990. struct link_params *params,
  5991. struct link_vars *vars)
  5992. {
  5993. struct bnx2x *bp = params->bp;
  5994. u16 val = 0, tmp1;
  5995. u8 gpio_port;
  5996. DP(NETIF_MSG_LINK, "Init 8073\n");
  5997. if (CHIP_IS_E2(bp))
  5998. gpio_port = BP_PATH(bp);
  5999. else
  6000. gpio_port = params->port;
  6001. /* Restore normal power mode*/
  6002. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6003. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6004. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6005. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6006. /* enable LASI */
  6007. bnx2x_cl45_write(bp, phy,
  6008. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6009. bnx2x_cl45_write(bp, phy,
  6010. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6011. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6012. bnx2x_cl45_read(bp, phy,
  6013. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6014. bnx2x_cl45_read(bp, phy,
  6015. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6016. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6017. /* Swap polarity if required - Must be done only in non-1G mode */
  6018. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6019. /* Configure the 8073 to swap _P and _N of the KR lines */
  6020. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6021. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6022. bnx2x_cl45_read(bp, phy,
  6023. MDIO_PMA_DEVAD,
  6024. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6025. bnx2x_cl45_write(bp, phy,
  6026. MDIO_PMA_DEVAD,
  6027. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6028. (val | (3<<9)));
  6029. }
  6030. /* Enable CL37 BAM */
  6031. if (REG_RD(bp, params->shmem_base +
  6032. offsetof(struct shmem_region, dev_info.
  6033. port_hw_config[params->port].default_cfg)) &
  6034. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6035. bnx2x_cl45_read(bp, phy,
  6036. MDIO_AN_DEVAD,
  6037. MDIO_AN_REG_8073_BAM, &val);
  6038. bnx2x_cl45_write(bp, phy,
  6039. MDIO_AN_DEVAD,
  6040. MDIO_AN_REG_8073_BAM, val | 1);
  6041. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6042. }
  6043. if (params->loopback_mode == LOOPBACK_EXT) {
  6044. bnx2x_807x_force_10G(bp, phy);
  6045. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6046. return 0;
  6047. } else {
  6048. bnx2x_cl45_write(bp, phy,
  6049. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6050. }
  6051. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6052. if (phy->req_line_speed == SPEED_10000) {
  6053. val = (1<<7);
  6054. } else if (phy->req_line_speed == SPEED_2500) {
  6055. val = (1<<5);
  6056. /*
  6057. * Note that 2.5G works only when used with 1G
  6058. * advertisement
  6059. */
  6060. } else
  6061. val = (1<<5);
  6062. } else {
  6063. val = 0;
  6064. if (phy->speed_cap_mask &
  6065. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6066. val |= (1<<7);
  6067. /* Note that 2.5G works only when used with 1G advertisement */
  6068. if (phy->speed_cap_mask &
  6069. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6070. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6071. val |= (1<<5);
  6072. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6073. }
  6074. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6075. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6076. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6077. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6078. (phy->req_line_speed == SPEED_2500)) {
  6079. u16 phy_ver;
  6080. /* Allow 2.5G for A1 and above */
  6081. bnx2x_cl45_read(bp, phy,
  6082. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6083. &phy_ver);
  6084. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6085. if (phy_ver > 0)
  6086. tmp1 |= 1;
  6087. else
  6088. tmp1 &= 0xfffe;
  6089. } else {
  6090. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6091. tmp1 &= 0xfffe;
  6092. }
  6093. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6094. /* Add support for CL37 (passive mode) II */
  6095. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6096. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6097. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6098. 0x20 : 0x40)));
  6099. /* Add support for CL37 (passive mode) III */
  6100. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6101. /*
  6102. * The SNR will improve about 2db by changing BW and FEE main
  6103. * tap. Rest commands are executed after link is up
  6104. * Change FFE main cursor to 5 in EDC register
  6105. */
  6106. if (bnx2x_8073_is_snr_needed(bp, phy))
  6107. bnx2x_cl45_write(bp, phy,
  6108. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6109. 0xFB0C);
  6110. /* Enable FEC (Forware Error Correction) Request in the AN */
  6111. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6112. tmp1 |= (1<<15);
  6113. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6114. bnx2x_ext_phy_set_pause(params, phy, vars);
  6115. /* Restart autoneg */
  6116. msleep(500);
  6117. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6118. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6119. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6120. return 0;
  6121. }
  6122. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6123. struct link_params *params,
  6124. struct link_vars *vars)
  6125. {
  6126. struct bnx2x *bp = params->bp;
  6127. u8 link_up = 0;
  6128. u16 val1, val2;
  6129. u16 link_status = 0;
  6130. u16 an1000_status = 0;
  6131. bnx2x_cl45_read(bp, phy,
  6132. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6133. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6134. /* clear the interrupt LASI status register */
  6135. bnx2x_cl45_read(bp, phy,
  6136. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6137. bnx2x_cl45_read(bp, phy,
  6138. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6139. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6140. /* Clear MSG-OUT */
  6141. bnx2x_cl45_read(bp, phy,
  6142. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6143. /* Check the LASI */
  6144. bnx2x_cl45_read(bp, phy,
  6145. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6146. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6147. /* Check the link status */
  6148. bnx2x_cl45_read(bp, phy,
  6149. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6150. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6151. bnx2x_cl45_read(bp, phy,
  6152. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6153. bnx2x_cl45_read(bp, phy,
  6154. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6155. link_up = ((val1 & 4) == 4);
  6156. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6157. if (link_up &&
  6158. ((phy->req_line_speed != SPEED_10000))) {
  6159. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6160. return 0;
  6161. }
  6162. bnx2x_cl45_read(bp, phy,
  6163. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6164. bnx2x_cl45_read(bp, phy,
  6165. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6166. /* Check the link status on 1.1.2 */
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6169. bnx2x_cl45_read(bp, phy,
  6170. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6171. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6172. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6173. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6174. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6175. /*
  6176. * The SNR will improve about 2dbby changing the BW and FEE main
  6177. * tap. The 1st write to change FFE main tap is set before
  6178. * restart AN. Change PLL Bandwidth in EDC register
  6179. */
  6180. bnx2x_cl45_write(bp, phy,
  6181. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6182. 0x26BC);
  6183. /* Change CDR Bandwidth in EDC register */
  6184. bnx2x_cl45_write(bp, phy,
  6185. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6186. 0x0333);
  6187. }
  6188. bnx2x_cl45_read(bp, phy,
  6189. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6190. &link_status);
  6191. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6192. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6193. link_up = 1;
  6194. vars->line_speed = SPEED_10000;
  6195. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6196. params->port);
  6197. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6198. link_up = 1;
  6199. vars->line_speed = SPEED_2500;
  6200. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6201. params->port);
  6202. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6203. link_up = 1;
  6204. vars->line_speed = SPEED_1000;
  6205. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6206. params->port);
  6207. } else {
  6208. link_up = 0;
  6209. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6210. params->port);
  6211. }
  6212. if (link_up) {
  6213. /* Swap polarity if required */
  6214. if (params->lane_config &
  6215. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6216. /* Configure the 8073 to swap P and N of the KR lines */
  6217. bnx2x_cl45_read(bp, phy,
  6218. MDIO_XS_DEVAD,
  6219. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6220. /*
  6221. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6222. * when it`s in 10G mode.
  6223. */
  6224. if (vars->line_speed == SPEED_1000) {
  6225. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6226. "the 8073\n");
  6227. val1 |= (1<<3);
  6228. } else
  6229. val1 &= ~(1<<3);
  6230. bnx2x_cl45_write(bp, phy,
  6231. MDIO_XS_DEVAD,
  6232. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6233. val1);
  6234. }
  6235. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6236. bnx2x_8073_resolve_fc(phy, params, vars);
  6237. vars->duplex = DUPLEX_FULL;
  6238. }
  6239. return link_up;
  6240. }
  6241. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6242. struct link_params *params)
  6243. {
  6244. struct bnx2x *bp = params->bp;
  6245. u8 gpio_port;
  6246. if (CHIP_IS_E2(bp))
  6247. gpio_port = BP_PATH(bp);
  6248. else
  6249. gpio_port = params->port;
  6250. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6251. gpio_port);
  6252. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6253. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6254. gpio_port);
  6255. }
  6256. /******************************************************************/
  6257. /* BCM8705 PHY SECTION */
  6258. /******************************************************************/
  6259. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6260. struct link_params *params,
  6261. struct link_vars *vars)
  6262. {
  6263. struct bnx2x *bp = params->bp;
  6264. DP(NETIF_MSG_LINK, "init 8705\n");
  6265. /* Restore normal power mode*/
  6266. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6267. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6268. /* HW reset */
  6269. bnx2x_ext_phy_hw_reset(bp, params->port);
  6270. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6271. bnx2x_wait_reset_complete(bp, phy, params);
  6272. bnx2x_cl45_write(bp, phy,
  6273. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6274. bnx2x_cl45_write(bp, phy,
  6275. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6276. bnx2x_cl45_write(bp, phy,
  6277. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6278. bnx2x_cl45_write(bp, phy,
  6279. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6280. /* BCM8705 doesn't have microcode, hence the 0 */
  6281. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6282. return 0;
  6283. }
  6284. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6285. struct link_params *params,
  6286. struct link_vars *vars)
  6287. {
  6288. u8 link_up = 0;
  6289. u16 val1, rx_sd;
  6290. struct bnx2x *bp = params->bp;
  6291. DP(NETIF_MSG_LINK, "read status 8705\n");
  6292. bnx2x_cl45_read(bp, phy,
  6293. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6294. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6295. bnx2x_cl45_read(bp, phy,
  6296. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6297. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6298. bnx2x_cl45_read(bp, phy,
  6299. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6300. bnx2x_cl45_read(bp, phy,
  6301. MDIO_PMA_DEVAD, 0xc809, &val1);
  6302. bnx2x_cl45_read(bp, phy,
  6303. MDIO_PMA_DEVAD, 0xc809, &val1);
  6304. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6305. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6306. if (link_up) {
  6307. vars->line_speed = SPEED_10000;
  6308. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6309. }
  6310. return link_up;
  6311. }
  6312. /******************************************************************/
  6313. /* SFP+ module Section */
  6314. /******************************************************************/
  6315. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6316. {
  6317. u8 gpio_port;
  6318. u32 swap_val, swap_override;
  6319. struct bnx2x *bp = params->bp;
  6320. if (CHIP_IS_E2(bp))
  6321. gpio_port = BP_PATH(bp);
  6322. else
  6323. gpio_port = params->port;
  6324. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6325. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6326. return gpio_port ^ (swap_val && swap_override);
  6327. }
  6328. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6329. struct bnx2x_phy *phy,
  6330. u8 tx_en)
  6331. {
  6332. u16 val;
  6333. u8 port = params->port;
  6334. struct bnx2x *bp = params->bp;
  6335. u32 tx_en_mode;
  6336. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6337. tx_en_mode = REG_RD(bp, params->shmem_base +
  6338. offsetof(struct shmem_region,
  6339. dev_info.port_hw_config[port].sfp_ctrl)) &
  6340. PORT_HW_CFG_TX_LASER_MASK;
  6341. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6342. "mode = %x\n", tx_en, port, tx_en_mode);
  6343. switch (tx_en_mode) {
  6344. case PORT_HW_CFG_TX_LASER_MDIO:
  6345. bnx2x_cl45_read(bp, phy,
  6346. MDIO_PMA_DEVAD,
  6347. MDIO_PMA_REG_PHY_IDENTIFIER,
  6348. &val);
  6349. if (tx_en)
  6350. val &= ~(1<<15);
  6351. else
  6352. val |= (1<<15);
  6353. bnx2x_cl45_write(bp, phy,
  6354. MDIO_PMA_DEVAD,
  6355. MDIO_PMA_REG_PHY_IDENTIFIER,
  6356. val);
  6357. break;
  6358. case PORT_HW_CFG_TX_LASER_GPIO0:
  6359. case PORT_HW_CFG_TX_LASER_GPIO1:
  6360. case PORT_HW_CFG_TX_LASER_GPIO2:
  6361. case PORT_HW_CFG_TX_LASER_GPIO3:
  6362. {
  6363. u16 gpio_pin;
  6364. u8 gpio_port, gpio_mode;
  6365. if (tx_en)
  6366. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6367. else
  6368. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6369. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6370. gpio_port = bnx2x_get_gpio_port(params);
  6371. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6372. break;
  6373. }
  6374. default:
  6375. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6376. break;
  6377. }
  6378. }
  6379. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6380. struct bnx2x_phy *phy,
  6381. u8 tx_en)
  6382. {
  6383. struct bnx2x *bp = params->bp;
  6384. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6385. if (CHIP_IS_E3(bp))
  6386. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6387. else
  6388. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6389. }
  6390. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6391. struct link_params *params,
  6392. u16 addr, u8 byte_cnt, u8 *o_buf)
  6393. {
  6394. struct bnx2x *bp = params->bp;
  6395. u16 val = 0;
  6396. u16 i;
  6397. if (byte_cnt > 16) {
  6398. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6399. " is limited to 0xf\n");
  6400. return -EINVAL;
  6401. }
  6402. /* Set the read command byte count */
  6403. bnx2x_cl45_write(bp, phy,
  6404. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6405. (byte_cnt | 0xa000));
  6406. /* Set the read command address */
  6407. bnx2x_cl45_write(bp, phy,
  6408. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6409. addr);
  6410. /* Activate read command */
  6411. bnx2x_cl45_write(bp, phy,
  6412. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6413. 0x2c0f);
  6414. /* Wait up to 500us for command complete status */
  6415. for (i = 0; i < 100; i++) {
  6416. bnx2x_cl45_read(bp, phy,
  6417. MDIO_PMA_DEVAD,
  6418. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6419. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6420. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6421. break;
  6422. udelay(5);
  6423. }
  6424. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6425. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6426. DP(NETIF_MSG_LINK,
  6427. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6428. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6429. return -EINVAL;
  6430. }
  6431. /* Read the buffer */
  6432. for (i = 0; i < byte_cnt; i++) {
  6433. bnx2x_cl45_read(bp, phy,
  6434. MDIO_PMA_DEVAD,
  6435. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6436. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6437. }
  6438. for (i = 0; i < 100; i++) {
  6439. bnx2x_cl45_read(bp, phy,
  6440. MDIO_PMA_DEVAD,
  6441. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6442. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6443. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6444. return 0;
  6445. msleep(1);
  6446. }
  6447. return -EINVAL;
  6448. }
  6449. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6450. struct link_params *params,
  6451. u16 addr, u8 byte_cnt,
  6452. u8 *o_buf)
  6453. {
  6454. int rc = 0;
  6455. u8 i, j = 0, cnt = 0;
  6456. u32 data_array[4];
  6457. u16 addr32;
  6458. struct bnx2x *bp = params->bp;
  6459. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6460. " addr %d, cnt %d\n",
  6461. addr, byte_cnt);*/
  6462. if (byte_cnt > 16) {
  6463. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6464. " is limited to 16 bytes\n");
  6465. return -EINVAL;
  6466. }
  6467. /* 4 byte aligned address */
  6468. addr32 = addr & (~0x3);
  6469. do {
  6470. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6471. data_array);
  6472. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6473. if (rc == 0) {
  6474. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6475. o_buf[j] = *((u8 *)data_array + i);
  6476. j++;
  6477. }
  6478. }
  6479. return rc;
  6480. }
  6481. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6482. struct link_params *params,
  6483. u16 addr, u8 byte_cnt, u8 *o_buf)
  6484. {
  6485. struct bnx2x *bp = params->bp;
  6486. u16 val, i;
  6487. if (byte_cnt > 16) {
  6488. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6489. " is limited to 0xf\n");
  6490. return -EINVAL;
  6491. }
  6492. /* Need to read from 1.8000 to clear it */
  6493. bnx2x_cl45_read(bp, phy,
  6494. MDIO_PMA_DEVAD,
  6495. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6496. &val);
  6497. /* Set the read command byte count */
  6498. bnx2x_cl45_write(bp, phy,
  6499. MDIO_PMA_DEVAD,
  6500. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6501. ((byte_cnt < 2) ? 2 : byte_cnt));
  6502. /* Set the read command address */
  6503. bnx2x_cl45_write(bp, phy,
  6504. MDIO_PMA_DEVAD,
  6505. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6506. addr);
  6507. /* Set the destination address */
  6508. bnx2x_cl45_write(bp, phy,
  6509. MDIO_PMA_DEVAD,
  6510. 0x8004,
  6511. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6512. /* Activate read command */
  6513. bnx2x_cl45_write(bp, phy,
  6514. MDIO_PMA_DEVAD,
  6515. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6516. 0x8002);
  6517. /*
  6518. * Wait appropriate time for two-wire command to finish before
  6519. * polling the status register
  6520. */
  6521. msleep(1);
  6522. /* Wait up to 500us for command complete status */
  6523. for (i = 0; i < 100; i++) {
  6524. bnx2x_cl45_read(bp, phy,
  6525. MDIO_PMA_DEVAD,
  6526. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6527. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6528. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6529. break;
  6530. udelay(5);
  6531. }
  6532. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6533. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6534. DP(NETIF_MSG_LINK,
  6535. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6536. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6537. return -EFAULT;
  6538. }
  6539. /* Read the buffer */
  6540. for (i = 0; i < byte_cnt; i++) {
  6541. bnx2x_cl45_read(bp, phy,
  6542. MDIO_PMA_DEVAD,
  6543. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6544. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6545. }
  6546. for (i = 0; i < 100; i++) {
  6547. bnx2x_cl45_read(bp, phy,
  6548. MDIO_PMA_DEVAD,
  6549. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6550. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6551. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6552. return 0;
  6553. msleep(1);
  6554. }
  6555. return -EINVAL;
  6556. }
  6557. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6558. struct link_params *params, u16 addr,
  6559. u8 byte_cnt, u8 *o_buf)
  6560. {
  6561. int rc = -EINVAL;
  6562. switch (phy->type) {
  6563. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6564. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6565. byte_cnt, o_buf);
  6566. break;
  6567. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6568. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6569. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6570. byte_cnt, o_buf);
  6571. break;
  6572. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6573. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6574. byte_cnt, o_buf);
  6575. break;
  6576. }
  6577. return rc;
  6578. }
  6579. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6580. struct link_params *params,
  6581. u16 *edc_mode)
  6582. {
  6583. struct bnx2x *bp = params->bp;
  6584. u32 sync_offset = 0, phy_idx, media_types;
  6585. u8 val, check_limiting_mode = 0;
  6586. *edc_mode = EDC_MODE_LIMITING;
  6587. phy->media_type = ETH_PHY_UNSPECIFIED;
  6588. /* First check for copper cable */
  6589. if (bnx2x_read_sfp_module_eeprom(phy,
  6590. params,
  6591. SFP_EEPROM_CON_TYPE_ADDR,
  6592. 1,
  6593. &val) != 0) {
  6594. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6595. return -EINVAL;
  6596. }
  6597. switch (val) {
  6598. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6599. {
  6600. u8 copper_module_type;
  6601. phy->media_type = ETH_PHY_DA_TWINAX;
  6602. /*
  6603. * Check if its active cable (includes SFP+ module)
  6604. * of passive cable
  6605. */
  6606. if (bnx2x_read_sfp_module_eeprom(phy,
  6607. params,
  6608. SFP_EEPROM_FC_TX_TECH_ADDR,
  6609. 1,
  6610. &copper_module_type) != 0) {
  6611. DP(NETIF_MSG_LINK,
  6612. "Failed to read copper-cable-type"
  6613. " from SFP+ EEPROM\n");
  6614. return -EINVAL;
  6615. }
  6616. if (copper_module_type &
  6617. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6618. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6619. check_limiting_mode = 1;
  6620. } else if (copper_module_type &
  6621. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6622. DP(NETIF_MSG_LINK, "Passive Copper"
  6623. " cable detected\n");
  6624. *edc_mode =
  6625. EDC_MODE_PASSIVE_DAC;
  6626. } else {
  6627. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6628. "type 0x%x !!!\n", copper_module_type);
  6629. return -EINVAL;
  6630. }
  6631. break;
  6632. }
  6633. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6634. phy->media_type = ETH_PHY_SFP_FIBER;
  6635. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6636. check_limiting_mode = 1;
  6637. break;
  6638. default:
  6639. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6640. val);
  6641. return -EINVAL;
  6642. }
  6643. sync_offset = params->shmem_base +
  6644. offsetof(struct shmem_region,
  6645. dev_info.port_hw_config[params->port].media_type);
  6646. media_types = REG_RD(bp, sync_offset);
  6647. /* Update media type for non-PMF sync */
  6648. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6649. if (&(params->phy[phy_idx]) == phy) {
  6650. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6651. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6652. media_types |= ((phy->media_type &
  6653. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6654. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6655. break;
  6656. }
  6657. }
  6658. REG_WR(bp, sync_offset, media_types);
  6659. if (check_limiting_mode) {
  6660. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6661. if (bnx2x_read_sfp_module_eeprom(phy,
  6662. params,
  6663. SFP_EEPROM_OPTIONS_ADDR,
  6664. SFP_EEPROM_OPTIONS_SIZE,
  6665. options) != 0) {
  6666. DP(NETIF_MSG_LINK, "Failed to read Option"
  6667. " field from module EEPROM\n");
  6668. return -EINVAL;
  6669. }
  6670. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6671. *edc_mode = EDC_MODE_LINEAR;
  6672. else
  6673. *edc_mode = EDC_MODE_LIMITING;
  6674. }
  6675. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6676. return 0;
  6677. }
  6678. /*
  6679. * This function read the relevant field from the module (SFP+), and verify it
  6680. * is compliant with this board
  6681. */
  6682. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6683. struct link_params *params)
  6684. {
  6685. struct bnx2x *bp = params->bp;
  6686. u32 val, cmd;
  6687. u32 fw_resp, fw_cmd_param;
  6688. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6689. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6690. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6691. val = REG_RD(bp, params->shmem_base +
  6692. offsetof(struct shmem_region, dev_info.
  6693. port_feature_config[params->port].config));
  6694. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6695. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6696. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6697. return 0;
  6698. }
  6699. if (params->feature_config_flags &
  6700. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6701. /* Use specific phy request */
  6702. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6703. } else if (params->feature_config_flags &
  6704. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6705. /* Use first phy request only in case of non-dual media*/
  6706. if (DUAL_MEDIA(params)) {
  6707. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6708. "verification\n");
  6709. return -EINVAL;
  6710. }
  6711. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6712. } else {
  6713. /* No support in OPT MDL detection */
  6714. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6715. "verification\n");
  6716. return -EINVAL;
  6717. }
  6718. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6719. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6720. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6721. DP(NETIF_MSG_LINK, "Approved module\n");
  6722. return 0;
  6723. }
  6724. /* format the warning message */
  6725. if (bnx2x_read_sfp_module_eeprom(phy,
  6726. params,
  6727. SFP_EEPROM_VENDOR_NAME_ADDR,
  6728. SFP_EEPROM_VENDOR_NAME_SIZE,
  6729. (u8 *)vendor_name))
  6730. vendor_name[0] = '\0';
  6731. else
  6732. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6733. if (bnx2x_read_sfp_module_eeprom(phy,
  6734. params,
  6735. SFP_EEPROM_PART_NO_ADDR,
  6736. SFP_EEPROM_PART_NO_SIZE,
  6737. (u8 *)vendor_pn))
  6738. vendor_pn[0] = '\0';
  6739. else
  6740. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6741. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6742. " Port %d from %s part number %s\n",
  6743. params->port, vendor_name, vendor_pn);
  6744. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6745. return -EINVAL;
  6746. }
  6747. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6748. struct link_params *params)
  6749. {
  6750. u8 val;
  6751. struct bnx2x *bp = params->bp;
  6752. u16 timeout;
  6753. /*
  6754. * Initialization time after hot-plug may take up to 300ms for
  6755. * some phys type ( e.g. JDSU )
  6756. */
  6757. for (timeout = 0; timeout < 60; timeout++) {
  6758. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6759. == 0) {
  6760. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6761. "took %d ms\n", timeout * 5);
  6762. return 0;
  6763. }
  6764. msleep(5);
  6765. }
  6766. return -EINVAL;
  6767. }
  6768. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6769. struct bnx2x_phy *phy,
  6770. u8 is_power_up) {
  6771. /* Make sure GPIOs are not using for LED mode */
  6772. u16 val;
  6773. /*
  6774. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6775. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6776. * output
  6777. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6778. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6779. * where the 1st bit is the over-current(only input), and 2nd bit is
  6780. * for power( only output )
  6781. *
  6782. * In case of NOC feature is disabled and power is up, set GPIO control
  6783. * as input to enable listening of over-current indication
  6784. */
  6785. if (phy->flags & FLAGS_NOC)
  6786. return;
  6787. if (is_power_up)
  6788. val = (1<<4);
  6789. else
  6790. /*
  6791. * Set GPIO control to OUTPUT, and set the power bit
  6792. * to according to the is_power_up
  6793. */
  6794. val = (1<<1);
  6795. bnx2x_cl45_write(bp, phy,
  6796. MDIO_PMA_DEVAD,
  6797. MDIO_PMA_REG_8727_GPIO_CTRL,
  6798. val);
  6799. }
  6800. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6801. struct bnx2x_phy *phy,
  6802. u16 edc_mode)
  6803. {
  6804. u16 cur_limiting_mode;
  6805. bnx2x_cl45_read(bp, phy,
  6806. MDIO_PMA_DEVAD,
  6807. MDIO_PMA_REG_ROM_VER2,
  6808. &cur_limiting_mode);
  6809. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6810. cur_limiting_mode);
  6811. if (edc_mode == EDC_MODE_LIMITING) {
  6812. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6813. bnx2x_cl45_write(bp, phy,
  6814. MDIO_PMA_DEVAD,
  6815. MDIO_PMA_REG_ROM_VER2,
  6816. EDC_MODE_LIMITING);
  6817. } else { /* LRM mode ( default )*/
  6818. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6819. /*
  6820. * Changing to LRM mode takes quite few seconds. So do it only
  6821. * if current mode is limiting (default is LRM)
  6822. */
  6823. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6824. return 0;
  6825. bnx2x_cl45_write(bp, phy,
  6826. MDIO_PMA_DEVAD,
  6827. MDIO_PMA_REG_LRM_MODE,
  6828. 0);
  6829. bnx2x_cl45_write(bp, phy,
  6830. MDIO_PMA_DEVAD,
  6831. MDIO_PMA_REG_ROM_VER2,
  6832. 0x128);
  6833. bnx2x_cl45_write(bp, phy,
  6834. MDIO_PMA_DEVAD,
  6835. MDIO_PMA_REG_MISC_CTRL0,
  6836. 0x4008);
  6837. bnx2x_cl45_write(bp, phy,
  6838. MDIO_PMA_DEVAD,
  6839. MDIO_PMA_REG_LRM_MODE,
  6840. 0xaaaa);
  6841. }
  6842. return 0;
  6843. }
  6844. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6845. struct bnx2x_phy *phy,
  6846. u16 edc_mode)
  6847. {
  6848. u16 phy_identifier;
  6849. u16 rom_ver2_val;
  6850. bnx2x_cl45_read(bp, phy,
  6851. MDIO_PMA_DEVAD,
  6852. MDIO_PMA_REG_PHY_IDENTIFIER,
  6853. &phy_identifier);
  6854. bnx2x_cl45_write(bp, phy,
  6855. MDIO_PMA_DEVAD,
  6856. MDIO_PMA_REG_PHY_IDENTIFIER,
  6857. (phy_identifier & ~(1<<9)));
  6858. bnx2x_cl45_read(bp, phy,
  6859. MDIO_PMA_DEVAD,
  6860. MDIO_PMA_REG_ROM_VER2,
  6861. &rom_ver2_val);
  6862. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6863. bnx2x_cl45_write(bp, phy,
  6864. MDIO_PMA_DEVAD,
  6865. MDIO_PMA_REG_ROM_VER2,
  6866. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6867. bnx2x_cl45_write(bp, phy,
  6868. MDIO_PMA_DEVAD,
  6869. MDIO_PMA_REG_PHY_IDENTIFIER,
  6870. (phy_identifier | (1<<9)));
  6871. return 0;
  6872. }
  6873. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6874. struct link_params *params,
  6875. u32 action)
  6876. {
  6877. struct bnx2x *bp = params->bp;
  6878. switch (action) {
  6879. case DISABLE_TX:
  6880. bnx2x_sfp_set_transmitter(params, phy, 0);
  6881. break;
  6882. case ENABLE_TX:
  6883. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6884. bnx2x_sfp_set_transmitter(params, phy, 1);
  6885. break;
  6886. default:
  6887. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6888. action);
  6889. return;
  6890. }
  6891. }
  6892. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6893. u8 gpio_mode)
  6894. {
  6895. struct bnx2x *bp = params->bp;
  6896. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6897. offsetof(struct shmem_region,
  6898. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6899. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6900. switch (fault_led_gpio) {
  6901. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6902. return;
  6903. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6904. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6905. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6906. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6907. {
  6908. u8 gpio_port = bnx2x_get_gpio_port(params);
  6909. u16 gpio_pin = fault_led_gpio -
  6910. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6911. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6912. "pin %x port %x mode %x\n",
  6913. gpio_pin, gpio_port, gpio_mode);
  6914. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6915. }
  6916. break;
  6917. default:
  6918. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6919. fault_led_gpio);
  6920. }
  6921. }
  6922. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6923. u8 gpio_mode)
  6924. {
  6925. u32 pin_cfg;
  6926. u8 port = params->port;
  6927. struct bnx2x *bp = params->bp;
  6928. pin_cfg = (REG_RD(bp, params->shmem_base +
  6929. offsetof(struct shmem_region,
  6930. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6931. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6932. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6933. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6934. gpio_mode, pin_cfg);
  6935. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  6936. }
  6937. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  6938. u8 gpio_mode)
  6939. {
  6940. struct bnx2x *bp = params->bp;
  6941. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  6942. if (CHIP_IS_E3(bp)) {
  6943. /*
  6944. * Low ==> if SFP+ module is supported otherwise
  6945. * High ==> if SFP+ module is not on the approved vendor list
  6946. */
  6947. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  6948. } else
  6949. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  6950. }
  6951. static void bnx2x_warpcore_power_module(struct link_params *params,
  6952. struct bnx2x_phy *phy,
  6953. u8 power)
  6954. {
  6955. u32 pin_cfg;
  6956. struct bnx2x *bp = params->bp;
  6957. pin_cfg = (REG_RD(bp, params->shmem_base +
  6958. offsetof(struct shmem_region,
  6959. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6960. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6961. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6962. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6963. power, pin_cfg);
  6964. /*
  6965. * Low ==> corresponding SFP+ module is powered
  6966. * high ==> the SFP+ module is powered down
  6967. */
  6968. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6969. }
  6970. static void bnx2x_power_sfp_module(struct link_params *params,
  6971. struct bnx2x_phy *phy,
  6972. u8 power)
  6973. {
  6974. struct bnx2x *bp = params->bp;
  6975. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  6976. switch (phy->type) {
  6977. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6978. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6979. bnx2x_8727_power_module(params->bp, phy, power);
  6980. break;
  6981. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6982. bnx2x_warpcore_power_module(params, phy, power);
  6983. break;
  6984. default:
  6985. break;
  6986. }
  6987. }
  6988. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  6989. struct bnx2x_phy *phy,
  6990. u16 edc_mode)
  6991. {
  6992. u16 val = 0;
  6993. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  6994. struct bnx2x *bp = params->bp;
  6995. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  6996. /* This is a global register which controls all lanes */
  6997. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  6998. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  6999. val &= ~(0xf << (lane << 2));
  7000. switch (edc_mode) {
  7001. case EDC_MODE_LINEAR:
  7002. case EDC_MODE_LIMITING:
  7003. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7004. break;
  7005. case EDC_MODE_PASSIVE_DAC:
  7006. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7007. break;
  7008. default:
  7009. break;
  7010. }
  7011. val |= (mode << (lane << 2));
  7012. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7013. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7014. /* A must read */
  7015. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7016. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7017. }
  7018. static void bnx2x_set_limiting_mode(struct link_params *params,
  7019. struct bnx2x_phy *phy,
  7020. u16 edc_mode)
  7021. {
  7022. switch (phy->type) {
  7023. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7024. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7025. break;
  7026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7027. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7028. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7029. break;
  7030. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7031. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7032. break;
  7033. }
  7034. }
  7035. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7036. struct link_params *params)
  7037. {
  7038. struct bnx2x *bp = params->bp;
  7039. u16 edc_mode;
  7040. int rc = 0;
  7041. u32 val = REG_RD(bp, params->shmem_base +
  7042. offsetof(struct shmem_region, dev_info.
  7043. port_feature_config[params->port].config));
  7044. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7045. params->port);
  7046. /* Power up module */
  7047. bnx2x_power_sfp_module(params, phy, 1);
  7048. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7049. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7050. return -EINVAL;
  7051. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7052. /* check SFP+ module compatibility */
  7053. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7054. rc = -EINVAL;
  7055. /* Turn on fault module-detected led */
  7056. bnx2x_set_sfp_module_fault_led(params,
  7057. MISC_REGISTERS_GPIO_HIGH);
  7058. /* Check if need to power down the SFP+ module */
  7059. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7060. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7061. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7062. bnx2x_power_sfp_module(params, phy, 0);
  7063. return rc;
  7064. }
  7065. } else {
  7066. /* Turn off fault module-detected led */
  7067. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7068. }
  7069. /*
  7070. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7071. * is done automatically
  7072. */
  7073. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7074. /*
  7075. * Enable transmit for this module if the module is approved, or
  7076. * if unapproved modules should also enable the Tx laser
  7077. */
  7078. if (rc == 0 ||
  7079. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7080. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7081. bnx2x_sfp_set_transmitter(params, phy, 1);
  7082. else
  7083. bnx2x_sfp_set_transmitter(params, phy, 0);
  7084. return rc;
  7085. }
  7086. void bnx2x_handle_module_detect_int(struct link_params *params)
  7087. {
  7088. struct bnx2x *bp = params->bp;
  7089. struct bnx2x_phy *phy;
  7090. u32 gpio_val;
  7091. u8 gpio_num, gpio_port;
  7092. if (CHIP_IS_E3(bp))
  7093. phy = &params->phy[INT_PHY];
  7094. else
  7095. phy = &params->phy[EXT_PHY1];
  7096. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7097. params->port, &gpio_num, &gpio_port) ==
  7098. -EINVAL) {
  7099. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7100. return;
  7101. }
  7102. /* Set valid module led off */
  7103. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7104. /* Get current gpio val reflecting module plugged in / out*/
  7105. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7106. /* Call the handling function in case module is detected */
  7107. if (gpio_val == 0) {
  7108. bnx2x_power_sfp_module(params, phy, 1);
  7109. bnx2x_set_gpio_int(bp, gpio_num,
  7110. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7111. gpio_port);
  7112. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7113. bnx2x_sfp_module_detection(phy, params);
  7114. else
  7115. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7116. } else {
  7117. u32 val = REG_RD(bp, params->shmem_base +
  7118. offsetof(struct shmem_region, dev_info.
  7119. port_feature_config[params->port].
  7120. config));
  7121. bnx2x_set_gpio_int(bp, gpio_num,
  7122. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7123. gpio_port);
  7124. /*
  7125. * Module was plugged out.
  7126. * Disable transmit for this module
  7127. */
  7128. phy->media_type = ETH_PHY_NOT_PRESENT;
  7129. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7130. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7131. bnx2x_sfp_set_transmitter(params, phy, 0);
  7132. }
  7133. }
  7134. /******************************************************************/
  7135. /* Used by 8706 and 8727 */
  7136. /******************************************************************/
  7137. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7138. struct bnx2x_phy *phy,
  7139. u16 alarm_status_offset,
  7140. u16 alarm_ctrl_offset)
  7141. {
  7142. u16 alarm_status, val;
  7143. bnx2x_cl45_read(bp, phy,
  7144. MDIO_PMA_DEVAD, alarm_status_offset,
  7145. &alarm_status);
  7146. bnx2x_cl45_read(bp, phy,
  7147. MDIO_PMA_DEVAD, alarm_status_offset,
  7148. &alarm_status);
  7149. /* Mask or enable the fault event. */
  7150. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7151. if (alarm_status & (1<<0))
  7152. val &= ~(1<<0);
  7153. else
  7154. val |= (1<<0);
  7155. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7156. }
  7157. /******************************************************************/
  7158. /* common BCM8706/BCM8726 PHY SECTION */
  7159. /******************************************************************/
  7160. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7161. struct link_params *params,
  7162. struct link_vars *vars)
  7163. {
  7164. u8 link_up = 0;
  7165. u16 val1, val2, rx_sd, pcs_status;
  7166. struct bnx2x *bp = params->bp;
  7167. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7168. /* Clear RX Alarm*/
  7169. bnx2x_cl45_read(bp, phy,
  7170. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7171. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7172. MDIO_PMA_LASI_TXCTRL);
  7173. /* clear LASI indication*/
  7174. bnx2x_cl45_read(bp, phy,
  7175. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7176. bnx2x_cl45_read(bp, phy,
  7177. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7178. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7179. bnx2x_cl45_read(bp, phy,
  7180. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7181. bnx2x_cl45_read(bp, phy,
  7182. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7183. bnx2x_cl45_read(bp, phy,
  7184. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7185. bnx2x_cl45_read(bp, phy,
  7186. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7187. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7188. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7189. /*
  7190. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7191. * are set, or if the autoneg bit 1 is set
  7192. */
  7193. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7194. if (link_up) {
  7195. if (val2 & (1<<1))
  7196. vars->line_speed = SPEED_1000;
  7197. else
  7198. vars->line_speed = SPEED_10000;
  7199. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7200. vars->duplex = DUPLEX_FULL;
  7201. }
  7202. /* Capture 10G link fault. Read twice to clear stale value. */
  7203. if (vars->line_speed == SPEED_10000) {
  7204. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7205. MDIO_PMA_LASI_TXSTAT, &val1);
  7206. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7207. MDIO_PMA_LASI_TXSTAT, &val1);
  7208. if (val1 & (1<<0))
  7209. vars->fault_detected = 1;
  7210. }
  7211. return link_up;
  7212. }
  7213. /******************************************************************/
  7214. /* BCM8706 PHY SECTION */
  7215. /******************************************************************/
  7216. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7217. struct link_params *params,
  7218. struct link_vars *vars)
  7219. {
  7220. u32 tx_en_mode;
  7221. u16 cnt, val, tmp1;
  7222. struct bnx2x *bp = params->bp;
  7223. /* SPF+ PHY: Set flag to check for Tx error */
  7224. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7225. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7226. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7227. /* HW reset */
  7228. bnx2x_ext_phy_hw_reset(bp, params->port);
  7229. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7230. bnx2x_wait_reset_complete(bp, phy, params);
  7231. /* Wait until fw is loaded */
  7232. for (cnt = 0; cnt < 100; cnt++) {
  7233. bnx2x_cl45_read(bp, phy,
  7234. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7235. if (val)
  7236. break;
  7237. msleep(10);
  7238. }
  7239. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7240. if ((params->feature_config_flags &
  7241. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7242. u8 i;
  7243. u16 reg;
  7244. for (i = 0; i < 4; i++) {
  7245. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7246. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7247. MDIO_XS_8706_REG_BANK_RX0);
  7248. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7249. /* Clear first 3 bits of the control */
  7250. val &= ~0x7;
  7251. /* Set control bits according to configuration */
  7252. val |= (phy->rx_preemphasis[i] & 0x7);
  7253. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7254. " reg 0x%x <-- val 0x%x\n", reg, val);
  7255. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7256. }
  7257. }
  7258. /* Force speed */
  7259. if (phy->req_line_speed == SPEED_10000) {
  7260. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7261. bnx2x_cl45_write(bp, phy,
  7262. MDIO_PMA_DEVAD,
  7263. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7264. bnx2x_cl45_write(bp, phy,
  7265. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7266. 0);
  7267. /* Arm LASI for link and Tx fault. */
  7268. bnx2x_cl45_write(bp, phy,
  7269. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7270. } else {
  7271. /* Force 1Gbps using autoneg with 1G advertisement */
  7272. /* Allow CL37 through CL73 */
  7273. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7274. bnx2x_cl45_write(bp, phy,
  7275. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7276. /* Enable Full-Duplex advertisement on CL37 */
  7277. bnx2x_cl45_write(bp, phy,
  7278. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7279. /* Enable CL37 AN */
  7280. bnx2x_cl45_write(bp, phy,
  7281. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7282. /* 1G support */
  7283. bnx2x_cl45_write(bp, phy,
  7284. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7285. /* Enable clause 73 AN */
  7286. bnx2x_cl45_write(bp, phy,
  7287. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7288. bnx2x_cl45_write(bp, phy,
  7289. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7290. 0x0400);
  7291. bnx2x_cl45_write(bp, phy,
  7292. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7293. 0x0004);
  7294. }
  7295. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7296. /*
  7297. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7298. * power mode, if TX Laser is disabled
  7299. */
  7300. tx_en_mode = REG_RD(bp, params->shmem_base +
  7301. offsetof(struct shmem_region,
  7302. dev_info.port_hw_config[params->port].sfp_ctrl))
  7303. & PORT_HW_CFG_TX_LASER_MASK;
  7304. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7305. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7306. bnx2x_cl45_read(bp, phy,
  7307. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7308. tmp1 |= 0x1;
  7309. bnx2x_cl45_write(bp, phy,
  7310. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7311. }
  7312. return 0;
  7313. }
  7314. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7315. struct link_params *params,
  7316. struct link_vars *vars)
  7317. {
  7318. return bnx2x_8706_8726_read_status(phy, params, vars);
  7319. }
  7320. /******************************************************************/
  7321. /* BCM8726 PHY SECTION */
  7322. /******************************************************************/
  7323. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7324. struct link_params *params)
  7325. {
  7326. struct bnx2x *bp = params->bp;
  7327. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7328. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7329. }
  7330. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7331. struct link_params *params)
  7332. {
  7333. struct bnx2x *bp = params->bp;
  7334. /* Need to wait 100ms after reset */
  7335. msleep(100);
  7336. /* Micro controller re-boot */
  7337. bnx2x_cl45_write(bp, phy,
  7338. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7339. /* Set soft reset */
  7340. bnx2x_cl45_write(bp, phy,
  7341. MDIO_PMA_DEVAD,
  7342. MDIO_PMA_REG_GEN_CTRL,
  7343. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7344. bnx2x_cl45_write(bp, phy,
  7345. MDIO_PMA_DEVAD,
  7346. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7347. bnx2x_cl45_write(bp, phy,
  7348. MDIO_PMA_DEVAD,
  7349. MDIO_PMA_REG_GEN_CTRL,
  7350. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7351. /* wait for 150ms for microcode load */
  7352. msleep(150);
  7353. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_PMA_DEVAD,
  7356. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7357. msleep(200);
  7358. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7359. }
  7360. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7361. struct link_params *params,
  7362. struct link_vars *vars)
  7363. {
  7364. struct bnx2x *bp = params->bp;
  7365. u16 val1;
  7366. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7367. if (link_up) {
  7368. bnx2x_cl45_read(bp, phy,
  7369. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7370. &val1);
  7371. if (val1 & (1<<15)) {
  7372. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7373. link_up = 0;
  7374. vars->line_speed = 0;
  7375. }
  7376. }
  7377. return link_up;
  7378. }
  7379. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7380. struct link_params *params,
  7381. struct link_vars *vars)
  7382. {
  7383. struct bnx2x *bp = params->bp;
  7384. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7385. /* SPF+ PHY: Set flag to check for Tx error */
  7386. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7387. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7388. bnx2x_wait_reset_complete(bp, phy, params);
  7389. bnx2x_8726_external_rom_boot(phy, params);
  7390. /*
  7391. * Need to call module detected on initialization since the module
  7392. * detection triggered by actual module insertion might occur before
  7393. * driver is loaded, and when driver is loaded, it reset all
  7394. * registers, including the transmitter
  7395. */
  7396. bnx2x_sfp_module_detection(phy, params);
  7397. if (phy->req_line_speed == SPEED_1000) {
  7398. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7399. bnx2x_cl45_write(bp, phy,
  7400. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7401. bnx2x_cl45_write(bp, phy,
  7402. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7403. bnx2x_cl45_write(bp, phy,
  7404. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7405. bnx2x_cl45_write(bp, phy,
  7406. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7407. 0x400);
  7408. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7409. (phy->speed_cap_mask &
  7410. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7411. ((phy->speed_cap_mask &
  7412. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7413. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7414. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7415. /* Set Flow control */
  7416. bnx2x_ext_phy_set_pause(params, phy, vars);
  7417. bnx2x_cl45_write(bp, phy,
  7418. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7421. bnx2x_cl45_write(bp, phy,
  7422. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7423. bnx2x_cl45_write(bp, phy,
  7424. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7425. bnx2x_cl45_write(bp, phy,
  7426. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7427. /*
  7428. * Enable RX-ALARM control to receive interrupt for 1G speed
  7429. * change
  7430. */
  7431. bnx2x_cl45_write(bp, phy,
  7432. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7433. bnx2x_cl45_write(bp, phy,
  7434. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7435. 0x400);
  7436. } else { /* Default 10G. Set only LASI control */
  7437. bnx2x_cl45_write(bp, phy,
  7438. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7439. }
  7440. /* Set TX PreEmphasis if needed */
  7441. if ((params->feature_config_flags &
  7442. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7443. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7444. "TX_CTRL2 0x%x\n",
  7445. phy->tx_preemphasis[0],
  7446. phy->tx_preemphasis[1]);
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_PMA_DEVAD,
  7449. MDIO_PMA_REG_8726_TX_CTRL1,
  7450. phy->tx_preemphasis[0]);
  7451. bnx2x_cl45_write(bp, phy,
  7452. MDIO_PMA_DEVAD,
  7453. MDIO_PMA_REG_8726_TX_CTRL2,
  7454. phy->tx_preemphasis[1]);
  7455. }
  7456. return 0;
  7457. }
  7458. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7459. struct link_params *params)
  7460. {
  7461. struct bnx2x *bp = params->bp;
  7462. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7463. /* Set serial boot control for external load */
  7464. bnx2x_cl45_write(bp, phy,
  7465. MDIO_PMA_DEVAD,
  7466. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7467. }
  7468. /******************************************************************/
  7469. /* BCM8727 PHY SECTION */
  7470. /******************************************************************/
  7471. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7472. struct link_params *params, u8 mode)
  7473. {
  7474. struct bnx2x *bp = params->bp;
  7475. u16 led_mode_bitmask = 0;
  7476. u16 gpio_pins_bitmask = 0;
  7477. u16 val;
  7478. /* Only NOC flavor requires to set the LED specifically */
  7479. if (!(phy->flags & FLAGS_NOC))
  7480. return;
  7481. switch (mode) {
  7482. case LED_MODE_FRONT_PANEL_OFF:
  7483. case LED_MODE_OFF:
  7484. led_mode_bitmask = 0;
  7485. gpio_pins_bitmask = 0x03;
  7486. break;
  7487. case LED_MODE_ON:
  7488. led_mode_bitmask = 0;
  7489. gpio_pins_bitmask = 0x02;
  7490. break;
  7491. case LED_MODE_OPER:
  7492. led_mode_bitmask = 0x60;
  7493. gpio_pins_bitmask = 0x11;
  7494. break;
  7495. }
  7496. bnx2x_cl45_read(bp, phy,
  7497. MDIO_PMA_DEVAD,
  7498. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7499. &val);
  7500. val &= 0xff8f;
  7501. val |= led_mode_bitmask;
  7502. bnx2x_cl45_write(bp, phy,
  7503. MDIO_PMA_DEVAD,
  7504. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7505. val);
  7506. bnx2x_cl45_read(bp, phy,
  7507. MDIO_PMA_DEVAD,
  7508. MDIO_PMA_REG_8727_GPIO_CTRL,
  7509. &val);
  7510. val &= 0xffe0;
  7511. val |= gpio_pins_bitmask;
  7512. bnx2x_cl45_write(bp, phy,
  7513. MDIO_PMA_DEVAD,
  7514. MDIO_PMA_REG_8727_GPIO_CTRL,
  7515. val);
  7516. }
  7517. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7518. struct link_params *params) {
  7519. u32 swap_val, swap_override;
  7520. u8 port;
  7521. /*
  7522. * The PHY reset is controlled by GPIO 1. Fake the port number
  7523. * to cancel the swap done in set_gpio()
  7524. */
  7525. struct bnx2x *bp = params->bp;
  7526. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7527. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7528. port = (swap_val && swap_override) ^ 1;
  7529. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7530. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7531. }
  7532. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7533. struct link_params *params,
  7534. struct link_vars *vars)
  7535. {
  7536. u32 tx_en_mode;
  7537. u16 tmp1, val, mod_abs, tmp2;
  7538. u16 rx_alarm_ctrl_val;
  7539. u16 lasi_ctrl_val;
  7540. struct bnx2x *bp = params->bp;
  7541. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7542. /* SPF+ PHY: Set flag to check for Tx error */
  7543. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7544. bnx2x_wait_reset_complete(bp, phy, params);
  7545. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7546. /* Should be 0x6 to enable XS on Tx side. */
  7547. lasi_ctrl_val = 0x0006;
  7548. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7549. /* enable LASI */
  7550. bnx2x_cl45_write(bp, phy,
  7551. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7552. rx_alarm_ctrl_val);
  7553. bnx2x_cl45_write(bp, phy,
  7554. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7555. 0);
  7556. bnx2x_cl45_write(bp, phy,
  7557. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7558. /*
  7559. * Initially configure MOD_ABS to interrupt when module is
  7560. * presence( bit 8)
  7561. */
  7562. bnx2x_cl45_read(bp, phy,
  7563. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7564. /*
  7565. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7566. * When the EDC is off it locks onto a reference clock and avoids
  7567. * becoming 'lost'
  7568. */
  7569. mod_abs &= ~(1<<8);
  7570. if (!(phy->flags & FLAGS_NOC))
  7571. mod_abs &= ~(1<<9);
  7572. bnx2x_cl45_write(bp, phy,
  7573. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7574. /* Make MOD_ABS give interrupt on change */
  7575. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7576. &val);
  7577. val |= (1<<12);
  7578. if (phy->flags & FLAGS_NOC)
  7579. val |= (3<<5);
  7580. /*
  7581. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7582. * status which reflect SFP+ module over-current
  7583. */
  7584. if (!(phy->flags & FLAGS_NOC))
  7585. val &= 0xff8f; /* Reset bits 4-6 */
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7588. bnx2x_8727_power_module(bp, phy, 1);
  7589. bnx2x_cl45_read(bp, phy,
  7590. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7591. bnx2x_cl45_read(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7593. /* Set option 1G speed */
  7594. if (phy->req_line_speed == SPEED_1000) {
  7595. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7598. bnx2x_cl45_write(bp, phy,
  7599. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7600. bnx2x_cl45_read(bp, phy,
  7601. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7602. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7603. /*
  7604. * Power down the XAUI until link is up in case of dual-media
  7605. * and 1G
  7606. */
  7607. if (DUAL_MEDIA(params)) {
  7608. bnx2x_cl45_read(bp, phy,
  7609. MDIO_PMA_DEVAD,
  7610. MDIO_PMA_REG_8727_PCS_GP, &val);
  7611. val |= (3<<10);
  7612. bnx2x_cl45_write(bp, phy,
  7613. MDIO_PMA_DEVAD,
  7614. MDIO_PMA_REG_8727_PCS_GP, val);
  7615. }
  7616. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7617. ((phy->speed_cap_mask &
  7618. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7619. ((phy->speed_cap_mask &
  7620. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7621. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7622. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7623. bnx2x_cl45_write(bp, phy,
  7624. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7627. } else {
  7628. /*
  7629. * Since the 8727 has only single reset pin, need to set the 10G
  7630. * registers although it is default
  7631. */
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7634. 0x0020);
  7635. bnx2x_cl45_write(bp, phy,
  7636. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7637. bnx2x_cl45_write(bp, phy,
  7638. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7641. 0x0008);
  7642. }
  7643. /*
  7644. * Set 2-wire transfer rate of SFP+ module EEPROM
  7645. * to 100Khz since some DACs(direct attached cables) do
  7646. * not work at 400Khz.
  7647. */
  7648. bnx2x_cl45_write(bp, phy,
  7649. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7650. 0xa001);
  7651. /* Set TX PreEmphasis if needed */
  7652. if ((params->feature_config_flags &
  7653. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7654. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7655. phy->tx_preemphasis[0],
  7656. phy->tx_preemphasis[1]);
  7657. bnx2x_cl45_write(bp, phy,
  7658. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7659. phy->tx_preemphasis[0]);
  7660. bnx2x_cl45_write(bp, phy,
  7661. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7662. phy->tx_preemphasis[1]);
  7663. }
  7664. /*
  7665. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7666. * power mode, if TX Laser is disabled
  7667. */
  7668. tx_en_mode = REG_RD(bp, params->shmem_base +
  7669. offsetof(struct shmem_region,
  7670. dev_info.port_hw_config[params->port].sfp_ctrl))
  7671. & PORT_HW_CFG_TX_LASER_MASK;
  7672. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7673. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7674. bnx2x_cl45_read(bp, phy,
  7675. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7676. tmp2 |= 0x1000;
  7677. tmp2 &= 0xFFEF;
  7678. bnx2x_cl45_write(bp, phy,
  7679. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7680. }
  7681. return 0;
  7682. }
  7683. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7684. struct link_params *params)
  7685. {
  7686. struct bnx2x *bp = params->bp;
  7687. u16 mod_abs, rx_alarm_status;
  7688. u32 val = REG_RD(bp, params->shmem_base +
  7689. offsetof(struct shmem_region, dev_info.
  7690. port_feature_config[params->port].
  7691. config));
  7692. bnx2x_cl45_read(bp, phy,
  7693. MDIO_PMA_DEVAD,
  7694. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7695. if (mod_abs & (1<<8)) {
  7696. /* Module is absent */
  7697. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7698. "show module is absent\n");
  7699. phy->media_type = ETH_PHY_NOT_PRESENT;
  7700. /*
  7701. * 1. Set mod_abs to detect next module
  7702. * presence event
  7703. * 2. Set EDC off by setting OPTXLOS signal input to low
  7704. * (bit 9).
  7705. * When the EDC is off it locks onto a reference clock and
  7706. * avoids becoming 'lost'.
  7707. */
  7708. mod_abs &= ~(1<<8);
  7709. if (!(phy->flags & FLAGS_NOC))
  7710. mod_abs &= ~(1<<9);
  7711. bnx2x_cl45_write(bp, phy,
  7712. MDIO_PMA_DEVAD,
  7713. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7714. /*
  7715. * Clear RX alarm since it stays up as long as
  7716. * the mod_abs wasn't changed
  7717. */
  7718. bnx2x_cl45_read(bp, phy,
  7719. MDIO_PMA_DEVAD,
  7720. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7721. } else {
  7722. /* Module is present */
  7723. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7724. "show module is present\n");
  7725. /*
  7726. * First disable transmitter, and if the module is ok, the
  7727. * module_detection will enable it
  7728. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7729. * 2. Restore the default polarity of the OPRXLOS signal and
  7730. * this signal will then correctly indicate the presence or
  7731. * absence of the Rx signal. (bit 9)
  7732. */
  7733. mod_abs |= (1<<8);
  7734. if (!(phy->flags & FLAGS_NOC))
  7735. mod_abs |= (1<<9);
  7736. bnx2x_cl45_write(bp, phy,
  7737. MDIO_PMA_DEVAD,
  7738. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7739. /*
  7740. * Clear RX alarm since it stays up as long as the mod_abs
  7741. * wasn't changed. This is need to be done before calling the
  7742. * module detection, otherwise it will clear* the link update
  7743. * alarm
  7744. */
  7745. bnx2x_cl45_read(bp, phy,
  7746. MDIO_PMA_DEVAD,
  7747. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7748. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7749. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7750. bnx2x_sfp_set_transmitter(params, phy, 0);
  7751. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7752. bnx2x_sfp_module_detection(phy, params);
  7753. else
  7754. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7755. }
  7756. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7757. rx_alarm_status);
  7758. /* No need to check link status in case of module plugged in/out */
  7759. }
  7760. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7761. struct link_params *params,
  7762. struct link_vars *vars)
  7763. {
  7764. struct bnx2x *bp = params->bp;
  7765. u8 link_up = 0, oc_port = params->port;
  7766. u16 link_status = 0;
  7767. u16 rx_alarm_status, lasi_ctrl, val1;
  7768. /* If PHY is not initialized, do not check link status */
  7769. bnx2x_cl45_read(bp, phy,
  7770. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7771. &lasi_ctrl);
  7772. if (!lasi_ctrl)
  7773. return 0;
  7774. /* Check the LASI on Rx */
  7775. bnx2x_cl45_read(bp, phy,
  7776. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7777. &rx_alarm_status);
  7778. vars->line_speed = 0;
  7779. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7780. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7781. MDIO_PMA_LASI_TXCTRL);
  7782. bnx2x_cl45_read(bp, phy,
  7783. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7784. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7785. /* Clear MSG-OUT */
  7786. bnx2x_cl45_read(bp, phy,
  7787. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7788. /*
  7789. * If a module is present and there is need to check
  7790. * for over current
  7791. */
  7792. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7793. /* Check over-current using 8727 GPIO0 input*/
  7794. bnx2x_cl45_read(bp, phy,
  7795. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7796. &val1);
  7797. if ((val1 & (1<<8)) == 0) {
  7798. if (!CHIP_IS_E1x(bp))
  7799. oc_port = BP_PATH(bp) + (params->port << 1);
  7800. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7801. " on port %d\n", oc_port);
  7802. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7803. " been detected and the power to "
  7804. "that SFP+ module has been removed"
  7805. " to prevent failure of the card."
  7806. " Please remove the SFP+ module and"
  7807. " restart the system to clear this"
  7808. " error.\n",
  7809. oc_port);
  7810. /* Disable all RX_ALARMs except for mod_abs */
  7811. bnx2x_cl45_write(bp, phy,
  7812. MDIO_PMA_DEVAD,
  7813. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7814. bnx2x_cl45_read(bp, phy,
  7815. MDIO_PMA_DEVAD,
  7816. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7817. /* Wait for module_absent_event */
  7818. val1 |= (1<<8);
  7819. bnx2x_cl45_write(bp, phy,
  7820. MDIO_PMA_DEVAD,
  7821. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7822. /* Clear RX alarm */
  7823. bnx2x_cl45_read(bp, phy,
  7824. MDIO_PMA_DEVAD,
  7825. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7826. return 0;
  7827. }
  7828. } /* Over current check */
  7829. /* When module absent bit is set, check module */
  7830. if (rx_alarm_status & (1<<5)) {
  7831. bnx2x_8727_handle_mod_abs(phy, params);
  7832. /* Enable all mod_abs and link detection bits */
  7833. bnx2x_cl45_write(bp, phy,
  7834. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7835. ((1<<5) | (1<<2)));
  7836. }
  7837. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7838. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7839. /* If transmitter is disabled, ignore false link up indication */
  7840. bnx2x_cl45_read(bp, phy,
  7841. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7842. if (val1 & (1<<15)) {
  7843. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7844. return 0;
  7845. }
  7846. bnx2x_cl45_read(bp, phy,
  7847. MDIO_PMA_DEVAD,
  7848. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7849. /*
  7850. * Bits 0..2 --> speed detected,
  7851. * Bits 13..15--> link is down
  7852. */
  7853. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7854. link_up = 1;
  7855. vars->line_speed = SPEED_10000;
  7856. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7857. params->port);
  7858. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7859. link_up = 1;
  7860. vars->line_speed = SPEED_1000;
  7861. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7862. params->port);
  7863. } else {
  7864. link_up = 0;
  7865. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7866. params->port);
  7867. }
  7868. /* Capture 10G link fault. */
  7869. if (vars->line_speed == SPEED_10000) {
  7870. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7871. MDIO_PMA_LASI_TXSTAT, &val1);
  7872. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7873. MDIO_PMA_LASI_TXSTAT, &val1);
  7874. if (val1 & (1<<0)) {
  7875. vars->fault_detected = 1;
  7876. }
  7877. }
  7878. if (link_up) {
  7879. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7880. vars->duplex = DUPLEX_FULL;
  7881. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7882. }
  7883. if ((DUAL_MEDIA(params)) &&
  7884. (phy->req_line_speed == SPEED_1000)) {
  7885. bnx2x_cl45_read(bp, phy,
  7886. MDIO_PMA_DEVAD,
  7887. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7888. /*
  7889. * In case of dual-media board and 1G, power up the XAUI side,
  7890. * otherwise power it down. For 10G it is done automatically
  7891. */
  7892. if (link_up)
  7893. val1 &= ~(3<<10);
  7894. else
  7895. val1 |= (3<<10);
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD,
  7898. MDIO_PMA_REG_8727_PCS_GP, val1);
  7899. }
  7900. return link_up;
  7901. }
  7902. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7903. struct link_params *params)
  7904. {
  7905. struct bnx2x *bp = params->bp;
  7906. /* Disable Transmitter */
  7907. bnx2x_sfp_set_transmitter(params, phy, 0);
  7908. /* Clear LASI */
  7909. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7910. }
  7911. /******************************************************************/
  7912. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7913. /******************************************************************/
  7914. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7915. struct link_params *params)
  7916. {
  7917. u16 val, fw_ver1, fw_ver2, cnt;
  7918. u8 port;
  7919. struct bnx2x *bp = params->bp;
  7920. port = params->port;
  7921. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7922. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7923. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7924. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7925. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7926. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  7927. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  7928. for (cnt = 0; cnt < 100; cnt++) {
  7929. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7930. if (val & 1)
  7931. break;
  7932. udelay(5);
  7933. }
  7934. if (cnt == 100) {
  7935. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  7936. bnx2x_save_spirom_version(bp, port, 0,
  7937. phy->ver_addr);
  7938. return;
  7939. }
  7940. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  7941. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  7942. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7943. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  7944. for (cnt = 0; cnt < 100; cnt++) {
  7945. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7946. if (val & 1)
  7947. break;
  7948. udelay(5);
  7949. }
  7950. if (cnt == 100) {
  7951. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  7952. bnx2x_save_spirom_version(bp, port, 0,
  7953. phy->ver_addr);
  7954. return;
  7955. }
  7956. /* lower 16 bits of the register SPI_FW_STATUS */
  7957. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  7958. /* upper 16 bits of register SPI_FW_STATUS */
  7959. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  7960. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  7961. phy->ver_addr);
  7962. }
  7963. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  7964. struct bnx2x_phy *phy)
  7965. {
  7966. u16 val;
  7967. /* PHYC_CTL_LED_CTL */
  7968. bnx2x_cl45_read(bp, phy,
  7969. MDIO_PMA_DEVAD,
  7970. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  7971. val &= 0xFE00;
  7972. val |= 0x0092;
  7973. bnx2x_cl45_write(bp, phy,
  7974. MDIO_PMA_DEVAD,
  7975. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  7976. bnx2x_cl45_write(bp, phy,
  7977. MDIO_PMA_DEVAD,
  7978. MDIO_PMA_REG_8481_LED1_MASK,
  7979. 0x80);
  7980. bnx2x_cl45_write(bp, phy,
  7981. MDIO_PMA_DEVAD,
  7982. MDIO_PMA_REG_8481_LED2_MASK,
  7983. 0x18);
  7984. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_PMA_DEVAD,
  7987. MDIO_PMA_REG_8481_LED3_MASK,
  7988. 0x0006);
  7989. /* Select the closest activity blink rate to that in 10/100/1000 */
  7990. bnx2x_cl45_write(bp, phy,
  7991. MDIO_PMA_DEVAD,
  7992. MDIO_PMA_REG_8481_LED3_BLINK,
  7993. 0);
  7994. bnx2x_cl45_read(bp, phy,
  7995. MDIO_PMA_DEVAD,
  7996. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  7997. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_PMA_DEVAD,
  8000. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8001. /* 'Interrupt Mask' */
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_AN_DEVAD,
  8004. 0xFFFB, 0xFFFD);
  8005. }
  8006. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8007. struct link_params *params,
  8008. struct link_vars *vars)
  8009. {
  8010. struct bnx2x *bp = params->bp;
  8011. u16 autoneg_val, an_1000_val, an_10_100_val;
  8012. u16 tmp_req_line_speed;
  8013. tmp_req_line_speed = phy->req_line_speed;
  8014. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8015. if (phy->req_line_speed == SPEED_10000)
  8016. phy->req_line_speed = SPEED_AUTO_NEG;
  8017. /*
  8018. * This phy uses the NIG latch mechanism since link indication
  8019. * arrives through its LED4 and not via its LASI signal, so we
  8020. * get steady signal instead of clear on read
  8021. */
  8022. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8023. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8024. bnx2x_cl45_write(bp, phy,
  8025. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8026. bnx2x_848xx_set_led(bp, phy);
  8027. /* set 1000 speed advertisement */
  8028. bnx2x_cl45_read(bp, phy,
  8029. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8030. &an_1000_val);
  8031. bnx2x_ext_phy_set_pause(params, phy, vars);
  8032. bnx2x_cl45_read(bp, phy,
  8033. MDIO_AN_DEVAD,
  8034. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8035. &an_10_100_val);
  8036. bnx2x_cl45_read(bp, phy,
  8037. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8038. &autoneg_val);
  8039. /* Disable forced speed */
  8040. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8041. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8042. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8043. (phy->speed_cap_mask &
  8044. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8045. (phy->req_line_speed == SPEED_1000)) {
  8046. an_1000_val |= (1<<8);
  8047. autoneg_val |= (1<<9 | 1<<12);
  8048. if (phy->req_duplex == DUPLEX_FULL)
  8049. an_1000_val |= (1<<9);
  8050. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8051. } else
  8052. an_1000_val &= ~((1<<8) | (1<<9));
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8055. an_1000_val);
  8056. /* set 10 speed advertisement */
  8057. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8058. (phy->speed_cap_mask &
  8059. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8060. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8061. an_10_100_val |= (1<<7);
  8062. /* Enable autoneg and restart autoneg for legacy speeds */
  8063. autoneg_val |= (1<<9 | 1<<12);
  8064. if (phy->req_duplex == DUPLEX_FULL)
  8065. an_10_100_val |= (1<<8);
  8066. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8067. }
  8068. /* set 10 speed advertisement */
  8069. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8070. (phy->speed_cap_mask &
  8071. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8072. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8073. an_10_100_val |= (1<<5);
  8074. autoneg_val |= (1<<9 | 1<<12);
  8075. if (phy->req_duplex == DUPLEX_FULL)
  8076. an_10_100_val |= (1<<6);
  8077. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8078. }
  8079. /* Only 10/100 are allowed to work in FORCE mode */
  8080. if (phy->req_line_speed == SPEED_100) {
  8081. autoneg_val |= (1<<13);
  8082. /* Enabled AUTO-MDIX when autoneg is disabled */
  8083. bnx2x_cl45_write(bp, phy,
  8084. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8085. (1<<15 | 1<<9 | 7<<0));
  8086. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8087. }
  8088. if (phy->req_line_speed == SPEED_10) {
  8089. /* Enabled AUTO-MDIX when autoneg is disabled */
  8090. bnx2x_cl45_write(bp, phy,
  8091. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8092. (1<<15 | 1<<9 | 7<<0));
  8093. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8094. }
  8095. bnx2x_cl45_write(bp, phy,
  8096. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8097. an_10_100_val);
  8098. if (phy->req_duplex == DUPLEX_FULL)
  8099. autoneg_val |= (1<<8);
  8100. bnx2x_cl45_write(bp, phy,
  8101. MDIO_AN_DEVAD,
  8102. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8103. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8104. (phy->speed_cap_mask &
  8105. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8106. (phy->req_line_speed == SPEED_10000)) {
  8107. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8108. /* Restart autoneg for 10G*/
  8109. bnx2x_cl45_write(bp, phy,
  8110. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8111. 0x3200);
  8112. } else if (phy->req_line_speed != SPEED_10 &&
  8113. phy->req_line_speed != SPEED_100) {
  8114. bnx2x_cl45_write(bp, phy,
  8115. MDIO_AN_DEVAD,
  8116. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8117. 1);
  8118. }
  8119. /* Save spirom version */
  8120. bnx2x_save_848xx_spirom_version(phy, params);
  8121. phy->req_line_speed = tmp_req_line_speed;
  8122. return 0;
  8123. }
  8124. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8125. struct link_params *params,
  8126. struct link_vars *vars)
  8127. {
  8128. struct bnx2x *bp = params->bp;
  8129. /* Restore normal power mode*/
  8130. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8131. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8132. /* HW reset */
  8133. bnx2x_ext_phy_hw_reset(bp, params->port);
  8134. bnx2x_wait_reset_complete(bp, phy, params);
  8135. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8136. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8137. }
  8138. #define PHY84833_HDSHK_WAIT 300
  8139. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8140. struct link_params *params,
  8141. struct link_vars *vars)
  8142. {
  8143. u32 idx;
  8144. u16 val;
  8145. u16 data = 0x01b1;
  8146. struct bnx2x *bp = params->bp;
  8147. /* Do pair swap */
  8148. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8149. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8150. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8151. PHY84833_CMD_OPEN_OVERRIDE);
  8152. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8153. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8154. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8155. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8156. break;
  8157. msleep(1);
  8158. }
  8159. if (idx >= PHY84833_HDSHK_WAIT) {
  8160. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8161. return -EINVAL;
  8162. }
  8163. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8164. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8165. data);
  8166. /* Issue pair swap command */
  8167. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8168. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8169. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8170. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8171. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8172. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8173. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8174. (val == PHY84833_CMD_COMPLETE_ERROR))
  8175. break;
  8176. msleep(1);
  8177. }
  8178. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8179. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8180. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8181. return -EINVAL;
  8182. }
  8183. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8184. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8185. PHY84833_CMD_CLEAR_COMPLETE);
  8186. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8187. return 0;
  8188. }
  8189. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8190. u32 shmem_base_path[],
  8191. u32 chip_id)
  8192. {
  8193. u32 reset_pin[2];
  8194. u32 idx;
  8195. u8 reset_gpios;
  8196. if (CHIP_IS_E3(bp)) {
  8197. /* Assume that these will be GPIOs, not EPIOs. */
  8198. for (idx = 0; idx < 2; idx++) {
  8199. /* Map config param to register bit. */
  8200. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8201. offsetof(struct shmem_region,
  8202. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8203. reset_pin[idx] = (reset_pin[idx] &
  8204. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8205. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8206. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8207. reset_pin[idx] = (1 << reset_pin[idx]);
  8208. }
  8209. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8210. } else {
  8211. /* E2, look from diff place of shmem. */
  8212. for (idx = 0; idx < 2; idx++) {
  8213. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8214. offsetof(struct shmem_region,
  8215. dev_info.port_hw_config[0].default_cfg));
  8216. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8217. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8218. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8219. reset_pin[idx] = (1 << reset_pin[idx]);
  8220. }
  8221. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8222. }
  8223. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8224. udelay(10);
  8225. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8226. msleep(800);
  8227. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8228. reset_gpios);
  8229. return 0;
  8230. }
  8231. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8232. struct link_params *params,
  8233. struct link_vars *vars)
  8234. {
  8235. struct bnx2x *bp = params->bp;
  8236. u8 port, initialize = 1;
  8237. u16 val;
  8238. u16 temp;
  8239. u32 actual_phy_selection, cms_enable;
  8240. int rc = 0;
  8241. msleep(1);
  8242. if (!(CHIP_IS_E1(bp)))
  8243. port = BP_PATH(bp);
  8244. else
  8245. port = params->port;
  8246. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8247. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8248. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8249. port);
  8250. } else {
  8251. bnx2x_cl45_write(bp, phy,
  8252. MDIO_PMA_DEVAD,
  8253. MDIO_PMA_REG_CTRL, 0x8000);
  8254. }
  8255. bnx2x_wait_reset_complete(bp, phy, params);
  8256. /* Wait for GPHY to come out of reset */
  8257. msleep(50);
  8258. /* Bring PHY out of super isolate mode */
  8259. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8260. bnx2x_cl45_read(bp, phy,
  8261. MDIO_CTL_DEVAD,
  8262. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8263. val &= ~MDIO_84833_SUPER_ISOLATE;
  8264. bnx2x_cl45_write(bp, phy,
  8265. MDIO_CTL_DEVAD,
  8266. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8267. bnx2x_wait_reset_complete(bp, phy, params);
  8268. }
  8269. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8270. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8271. /*
  8272. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8273. */
  8274. temp = vars->line_speed;
  8275. vars->line_speed = SPEED_10000;
  8276. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8277. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8278. vars->line_speed = temp;
  8279. /* Set dual-media configuration according to configuration */
  8280. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8281. MDIO_CTL_REG_84823_MEDIA, &val);
  8282. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8283. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8284. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8285. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8286. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8287. if (CHIP_IS_E3(bp)) {
  8288. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8289. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8290. } else {
  8291. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8292. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8293. }
  8294. actual_phy_selection = bnx2x_phy_selection(params);
  8295. switch (actual_phy_selection) {
  8296. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8297. /* Do nothing. Essentially this is like the priority copper */
  8298. break;
  8299. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8300. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8301. break;
  8302. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8303. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8304. break;
  8305. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8306. /* Do nothing here. The first PHY won't be initialized at all */
  8307. break;
  8308. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8309. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8310. initialize = 0;
  8311. break;
  8312. }
  8313. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8314. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8315. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8316. MDIO_CTL_REG_84823_MEDIA, val);
  8317. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8318. params->multi_phy_config, val);
  8319. if (initialize)
  8320. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8321. else
  8322. bnx2x_save_848xx_spirom_version(phy, params);
  8323. cms_enable = REG_RD(bp, params->shmem_base +
  8324. offsetof(struct shmem_region,
  8325. dev_info.port_hw_config[params->port].default_cfg)) &
  8326. PORT_HW_CFG_ENABLE_CMS_MASK;
  8327. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8328. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8329. if (cms_enable)
  8330. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8331. else
  8332. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8333. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8334. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8335. return rc;
  8336. }
  8337. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8338. struct link_params *params,
  8339. struct link_vars *vars)
  8340. {
  8341. struct bnx2x *bp = params->bp;
  8342. u16 val, val1, val2;
  8343. u8 link_up = 0;
  8344. /* Check 10G-BaseT link status */
  8345. /* Check PMD signal ok */
  8346. bnx2x_cl45_read(bp, phy,
  8347. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8348. bnx2x_cl45_read(bp, phy,
  8349. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8350. &val2);
  8351. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8352. /* Check link 10G */
  8353. if (val2 & (1<<11)) {
  8354. vars->line_speed = SPEED_10000;
  8355. vars->duplex = DUPLEX_FULL;
  8356. link_up = 1;
  8357. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8358. } else { /* Check Legacy speed link */
  8359. u16 legacy_status, legacy_speed;
  8360. /* Enable expansion register 0x42 (Operation mode status) */
  8361. bnx2x_cl45_write(bp, phy,
  8362. MDIO_AN_DEVAD,
  8363. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8364. /* Get legacy speed operation status */
  8365. bnx2x_cl45_read(bp, phy,
  8366. MDIO_AN_DEVAD,
  8367. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8368. &legacy_status);
  8369. DP(NETIF_MSG_LINK, "Legacy speed status"
  8370. " = 0x%x\n", legacy_status);
  8371. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8372. if (link_up) {
  8373. legacy_speed = (legacy_status & (3<<9));
  8374. if (legacy_speed == (0<<9))
  8375. vars->line_speed = SPEED_10;
  8376. else if (legacy_speed == (1<<9))
  8377. vars->line_speed = SPEED_100;
  8378. else if (legacy_speed == (2<<9))
  8379. vars->line_speed = SPEED_1000;
  8380. else /* Should not happen */
  8381. vars->line_speed = 0;
  8382. if (legacy_status & (1<<8))
  8383. vars->duplex = DUPLEX_FULL;
  8384. else
  8385. vars->duplex = DUPLEX_HALF;
  8386. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8387. " is_duplex_full= %d\n", vars->line_speed,
  8388. (vars->duplex == DUPLEX_FULL));
  8389. /* Check legacy speed AN resolution */
  8390. bnx2x_cl45_read(bp, phy,
  8391. MDIO_AN_DEVAD,
  8392. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8393. &val);
  8394. if (val & (1<<5))
  8395. vars->link_status |=
  8396. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8397. bnx2x_cl45_read(bp, phy,
  8398. MDIO_AN_DEVAD,
  8399. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8400. &val);
  8401. if ((val & (1<<0)) == 0)
  8402. vars->link_status |=
  8403. LINK_STATUS_PARALLEL_DETECTION_USED;
  8404. }
  8405. }
  8406. if (link_up) {
  8407. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8408. vars->line_speed);
  8409. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8410. }
  8411. return link_up;
  8412. }
  8413. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8414. {
  8415. int status = 0;
  8416. u32 spirom_ver;
  8417. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8418. status = bnx2x_format_ver(spirom_ver, str, len);
  8419. return status;
  8420. }
  8421. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8422. struct link_params *params)
  8423. {
  8424. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8425. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8426. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8427. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8428. }
  8429. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8430. struct link_params *params)
  8431. {
  8432. bnx2x_cl45_write(params->bp, phy,
  8433. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8434. bnx2x_cl45_write(params->bp, phy,
  8435. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8436. }
  8437. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8438. struct link_params *params)
  8439. {
  8440. struct bnx2x *bp = params->bp;
  8441. u8 port;
  8442. u16 val16;
  8443. if (!(CHIP_IS_E1(bp)))
  8444. port = BP_PATH(bp);
  8445. else
  8446. port = params->port;
  8447. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8448. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8449. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8450. port);
  8451. } else {
  8452. bnx2x_cl45_read(bp, phy,
  8453. MDIO_CTL_DEVAD,
  8454. 0x400f, &val16);
  8455. /* Put to low power mode on newer FW */
  8456. if ((val16 & 0x303f) > 0x1009)
  8457. bnx2x_cl45_write(bp, phy,
  8458. MDIO_PMA_DEVAD,
  8459. MDIO_PMA_REG_CTRL, 0x800);
  8460. }
  8461. }
  8462. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8463. struct link_params *params, u8 mode)
  8464. {
  8465. struct bnx2x *bp = params->bp;
  8466. u16 val;
  8467. u8 port;
  8468. if (!(CHIP_IS_E1(bp)))
  8469. port = BP_PATH(bp);
  8470. else
  8471. port = params->port;
  8472. switch (mode) {
  8473. case LED_MODE_OFF:
  8474. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8475. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8476. SHARED_HW_CFG_LED_EXTPHY1) {
  8477. /* Set LED masks */
  8478. bnx2x_cl45_write(bp, phy,
  8479. MDIO_PMA_DEVAD,
  8480. MDIO_PMA_REG_8481_LED1_MASK,
  8481. 0x0);
  8482. bnx2x_cl45_write(bp, phy,
  8483. MDIO_PMA_DEVAD,
  8484. MDIO_PMA_REG_8481_LED2_MASK,
  8485. 0x0);
  8486. bnx2x_cl45_write(bp, phy,
  8487. MDIO_PMA_DEVAD,
  8488. MDIO_PMA_REG_8481_LED3_MASK,
  8489. 0x0);
  8490. bnx2x_cl45_write(bp, phy,
  8491. MDIO_PMA_DEVAD,
  8492. MDIO_PMA_REG_8481_LED5_MASK,
  8493. 0x0);
  8494. } else {
  8495. bnx2x_cl45_write(bp, phy,
  8496. MDIO_PMA_DEVAD,
  8497. MDIO_PMA_REG_8481_LED1_MASK,
  8498. 0x0);
  8499. }
  8500. break;
  8501. case LED_MODE_FRONT_PANEL_OFF:
  8502. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8503. port);
  8504. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8505. SHARED_HW_CFG_LED_EXTPHY1) {
  8506. /* Set LED masks */
  8507. bnx2x_cl45_write(bp, phy,
  8508. MDIO_PMA_DEVAD,
  8509. MDIO_PMA_REG_8481_LED1_MASK,
  8510. 0x0);
  8511. bnx2x_cl45_write(bp, phy,
  8512. MDIO_PMA_DEVAD,
  8513. MDIO_PMA_REG_8481_LED2_MASK,
  8514. 0x0);
  8515. bnx2x_cl45_write(bp, phy,
  8516. MDIO_PMA_DEVAD,
  8517. MDIO_PMA_REG_8481_LED3_MASK,
  8518. 0x0);
  8519. bnx2x_cl45_write(bp, phy,
  8520. MDIO_PMA_DEVAD,
  8521. MDIO_PMA_REG_8481_LED5_MASK,
  8522. 0x20);
  8523. } else {
  8524. bnx2x_cl45_write(bp, phy,
  8525. MDIO_PMA_DEVAD,
  8526. MDIO_PMA_REG_8481_LED1_MASK,
  8527. 0x0);
  8528. }
  8529. break;
  8530. case LED_MODE_ON:
  8531. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8532. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8533. SHARED_HW_CFG_LED_EXTPHY1) {
  8534. /* Set control reg */
  8535. bnx2x_cl45_read(bp, phy,
  8536. MDIO_PMA_DEVAD,
  8537. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8538. &val);
  8539. val &= 0x8000;
  8540. val |= 0x2492;
  8541. bnx2x_cl45_write(bp, phy,
  8542. MDIO_PMA_DEVAD,
  8543. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8544. val);
  8545. /* Set LED masks */
  8546. bnx2x_cl45_write(bp, phy,
  8547. MDIO_PMA_DEVAD,
  8548. MDIO_PMA_REG_8481_LED1_MASK,
  8549. 0x0);
  8550. bnx2x_cl45_write(bp, phy,
  8551. MDIO_PMA_DEVAD,
  8552. MDIO_PMA_REG_8481_LED2_MASK,
  8553. 0x20);
  8554. bnx2x_cl45_write(bp, phy,
  8555. MDIO_PMA_DEVAD,
  8556. MDIO_PMA_REG_8481_LED3_MASK,
  8557. 0x20);
  8558. bnx2x_cl45_write(bp, phy,
  8559. MDIO_PMA_DEVAD,
  8560. MDIO_PMA_REG_8481_LED5_MASK,
  8561. 0x0);
  8562. } else {
  8563. bnx2x_cl45_write(bp, phy,
  8564. MDIO_PMA_DEVAD,
  8565. MDIO_PMA_REG_8481_LED1_MASK,
  8566. 0x20);
  8567. }
  8568. break;
  8569. case LED_MODE_OPER:
  8570. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8571. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8572. SHARED_HW_CFG_LED_EXTPHY1) {
  8573. /* Set control reg */
  8574. bnx2x_cl45_read(bp, phy,
  8575. MDIO_PMA_DEVAD,
  8576. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8577. &val);
  8578. if (!((val &
  8579. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8580. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8581. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8582. bnx2x_cl45_write(bp, phy,
  8583. MDIO_PMA_DEVAD,
  8584. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8585. 0xa492);
  8586. }
  8587. /* Set LED masks */
  8588. bnx2x_cl45_write(bp, phy,
  8589. MDIO_PMA_DEVAD,
  8590. MDIO_PMA_REG_8481_LED1_MASK,
  8591. 0x10);
  8592. bnx2x_cl45_write(bp, phy,
  8593. MDIO_PMA_DEVAD,
  8594. MDIO_PMA_REG_8481_LED2_MASK,
  8595. 0x80);
  8596. bnx2x_cl45_write(bp, phy,
  8597. MDIO_PMA_DEVAD,
  8598. MDIO_PMA_REG_8481_LED3_MASK,
  8599. 0x98);
  8600. bnx2x_cl45_write(bp, phy,
  8601. MDIO_PMA_DEVAD,
  8602. MDIO_PMA_REG_8481_LED5_MASK,
  8603. 0x40);
  8604. } else {
  8605. bnx2x_cl45_write(bp, phy,
  8606. MDIO_PMA_DEVAD,
  8607. MDIO_PMA_REG_8481_LED1_MASK,
  8608. 0x80);
  8609. /* Tell LED3 to blink on source */
  8610. bnx2x_cl45_read(bp, phy,
  8611. MDIO_PMA_DEVAD,
  8612. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8613. &val);
  8614. val &= ~(7<<6);
  8615. val |= (1<<6); /* A83B[8:6]= 1 */
  8616. bnx2x_cl45_write(bp, phy,
  8617. MDIO_PMA_DEVAD,
  8618. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8619. val);
  8620. }
  8621. break;
  8622. }
  8623. /*
  8624. * This is a workaround for E3+84833 until autoneg
  8625. * restart is fixed in f/w
  8626. */
  8627. if (CHIP_IS_E3(bp)) {
  8628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8629. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8630. }
  8631. }
  8632. /******************************************************************/
  8633. /* 54616S PHY SECTION */
  8634. /******************************************************************/
  8635. static int bnx2x_54616s_config_init(struct bnx2x_phy *phy,
  8636. struct link_params *params,
  8637. struct link_vars *vars)
  8638. {
  8639. struct bnx2x *bp = params->bp;
  8640. u8 port;
  8641. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8642. u32 cfg_pin;
  8643. DP(NETIF_MSG_LINK, "54616S cfg init\n");
  8644. usleep_range(1000, 1000);
  8645. /* This works with E3 only, no need to check the chip
  8646. before determining the port. */
  8647. port = params->port;
  8648. cfg_pin = (REG_RD(bp, params->shmem_base +
  8649. offsetof(struct shmem_region,
  8650. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8651. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8652. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8653. /* Drive pin high to bring the GPHY out of reset. */
  8654. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8655. /* wait for GPHY to reset */
  8656. msleep(50);
  8657. /* reset phy */
  8658. bnx2x_cl22_write(bp, phy,
  8659. MDIO_PMA_REG_CTRL, 0x8000);
  8660. bnx2x_wait_reset_complete(bp, phy, params);
  8661. /*wait for GPHY to reset */
  8662. msleep(50);
  8663. /* Configure LED4: set to INTR (0x6). */
  8664. /* Accessing shadow register 0xe. */
  8665. bnx2x_cl22_write(bp, phy,
  8666. MDIO_REG_GPHY_SHADOW,
  8667. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8668. bnx2x_cl22_read(bp, phy,
  8669. MDIO_REG_GPHY_SHADOW,
  8670. &temp);
  8671. temp &= ~(0xf << 4);
  8672. temp |= (0x6 << 4);
  8673. bnx2x_cl22_write(bp, phy,
  8674. MDIO_REG_GPHY_SHADOW,
  8675. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8676. /* Configure INTR based on link status change. */
  8677. bnx2x_cl22_write(bp, phy,
  8678. MDIO_REG_INTR_MASK,
  8679. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8680. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8681. bnx2x_cl22_write(bp, phy,
  8682. MDIO_REG_GPHY_SHADOW,
  8683. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8684. bnx2x_cl22_read(bp, phy,
  8685. MDIO_REG_GPHY_SHADOW,
  8686. &temp);
  8687. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8688. bnx2x_cl22_write(bp, phy,
  8689. MDIO_REG_GPHY_SHADOW,
  8690. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8691. /* Set up fc */
  8692. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8693. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8694. fc_val = 0;
  8695. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8696. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8697. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8698. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8699. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8700. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8701. /* read all advertisement */
  8702. bnx2x_cl22_read(bp, phy,
  8703. 0x09,
  8704. &an_1000_val);
  8705. bnx2x_cl22_read(bp, phy,
  8706. 0x04,
  8707. &an_10_100_val);
  8708. bnx2x_cl22_read(bp, phy,
  8709. MDIO_PMA_REG_CTRL,
  8710. &autoneg_val);
  8711. /* Disable forced speed */
  8712. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8713. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8714. (1<<11));
  8715. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8716. (phy->speed_cap_mask &
  8717. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8718. (phy->req_line_speed == SPEED_1000)) {
  8719. an_1000_val |= (1<<8);
  8720. autoneg_val |= (1<<9 | 1<<12);
  8721. if (phy->req_duplex == DUPLEX_FULL)
  8722. an_1000_val |= (1<<9);
  8723. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8724. } else
  8725. an_1000_val &= ~((1<<8) | (1<<9));
  8726. bnx2x_cl22_write(bp, phy,
  8727. 0x09,
  8728. an_1000_val);
  8729. bnx2x_cl22_read(bp, phy,
  8730. 0x09,
  8731. &an_1000_val);
  8732. /* set 100 speed advertisement */
  8733. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8734. (phy->speed_cap_mask &
  8735. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8736. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8737. an_10_100_val |= (1<<7);
  8738. /* Enable autoneg and restart autoneg for legacy speeds */
  8739. autoneg_val |= (1<<9 | 1<<12);
  8740. if (phy->req_duplex == DUPLEX_FULL)
  8741. an_10_100_val |= (1<<8);
  8742. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8743. }
  8744. /* set 10 speed advertisement */
  8745. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8746. (phy->speed_cap_mask &
  8747. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8748. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8749. an_10_100_val |= (1<<5);
  8750. autoneg_val |= (1<<9 | 1<<12);
  8751. if (phy->req_duplex == DUPLEX_FULL)
  8752. an_10_100_val |= (1<<6);
  8753. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8754. }
  8755. /* Only 10/100 are allowed to work in FORCE mode */
  8756. if (phy->req_line_speed == SPEED_100) {
  8757. autoneg_val |= (1<<13);
  8758. /* Enabled AUTO-MDIX when autoneg is disabled */
  8759. bnx2x_cl22_write(bp, phy,
  8760. 0x18,
  8761. (1<<15 | 1<<9 | 7<<0));
  8762. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8763. }
  8764. if (phy->req_line_speed == SPEED_10) {
  8765. /* Enabled AUTO-MDIX when autoneg is disabled */
  8766. bnx2x_cl22_write(bp, phy,
  8767. 0x18,
  8768. (1<<15 | 1<<9 | 7<<0));
  8769. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8770. }
  8771. bnx2x_cl22_write(bp, phy,
  8772. 0x04,
  8773. an_10_100_val | fc_val);
  8774. if (phy->req_duplex == DUPLEX_FULL)
  8775. autoneg_val |= (1<<8);
  8776. bnx2x_cl22_write(bp, phy,
  8777. MDIO_PMA_REG_CTRL, autoneg_val);
  8778. return 0;
  8779. }
  8780. static void bnx2x_54616s_set_link_led(struct bnx2x_phy *phy,
  8781. struct link_params *params, u8 mode)
  8782. {
  8783. struct bnx2x *bp = params->bp;
  8784. DP(NETIF_MSG_LINK, "54616S set link led (mode=%x)\n", mode);
  8785. switch (mode) {
  8786. case LED_MODE_FRONT_PANEL_OFF:
  8787. case LED_MODE_OFF:
  8788. case LED_MODE_OPER:
  8789. case LED_MODE_ON:
  8790. default:
  8791. break;
  8792. }
  8793. return;
  8794. }
  8795. static void bnx2x_54616s_link_reset(struct bnx2x_phy *phy,
  8796. struct link_params *params)
  8797. {
  8798. struct bnx2x *bp = params->bp;
  8799. u32 cfg_pin;
  8800. u8 port;
  8801. /* This works with E3 only, no need to check the chip
  8802. before determining the port. */
  8803. port = params->port;
  8804. cfg_pin = (REG_RD(bp, params->shmem_base +
  8805. offsetof(struct shmem_region,
  8806. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8807. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8808. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8809. /* Drive pin low to put GPHY in reset. */
  8810. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  8811. }
  8812. static u8 bnx2x_54616s_read_status(struct bnx2x_phy *phy,
  8813. struct link_params *params,
  8814. struct link_vars *vars)
  8815. {
  8816. struct bnx2x *bp = params->bp;
  8817. u16 val;
  8818. u8 link_up = 0;
  8819. u16 legacy_status, legacy_speed;
  8820. /* Get speed operation status */
  8821. bnx2x_cl22_read(bp, phy,
  8822. 0x19,
  8823. &legacy_status);
  8824. DP(NETIF_MSG_LINK, "54616S read_status: 0x%x\n", legacy_status);
  8825. /* Read status to clear the PHY interrupt. */
  8826. bnx2x_cl22_read(bp, phy,
  8827. MDIO_REG_INTR_STATUS,
  8828. &val);
  8829. link_up = ((legacy_status & (1<<2)) == (1<<2));
  8830. if (link_up) {
  8831. legacy_speed = (legacy_status & (7<<8));
  8832. if (legacy_speed == (7<<8)) {
  8833. vars->line_speed = SPEED_1000;
  8834. vars->duplex = DUPLEX_FULL;
  8835. } else if (legacy_speed == (6<<8)) {
  8836. vars->line_speed = SPEED_1000;
  8837. vars->duplex = DUPLEX_HALF;
  8838. } else if (legacy_speed == (5<<8)) {
  8839. vars->line_speed = SPEED_100;
  8840. vars->duplex = DUPLEX_FULL;
  8841. }
  8842. /* Omitting 100Base-T4 for now */
  8843. else if (legacy_speed == (3<<8)) {
  8844. vars->line_speed = SPEED_100;
  8845. vars->duplex = DUPLEX_HALF;
  8846. } else if (legacy_speed == (2<<8)) {
  8847. vars->line_speed = SPEED_10;
  8848. vars->duplex = DUPLEX_FULL;
  8849. } else if (legacy_speed == (1<<8)) {
  8850. vars->line_speed = SPEED_10;
  8851. vars->duplex = DUPLEX_HALF;
  8852. } else /* Should not happen */
  8853. vars->line_speed = 0;
  8854. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8855. " is_duplex_full= %d\n", vars->line_speed,
  8856. (vars->duplex == DUPLEX_FULL));
  8857. /* Check legacy speed AN resolution */
  8858. bnx2x_cl22_read(bp, phy,
  8859. 0x01,
  8860. &val);
  8861. if (val & (1<<5))
  8862. vars->link_status |=
  8863. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8864. bnx2x_cl22_read(bp, phy,
  8865. 0x06,
  8866. &val);
  8867. if ((val & (1<<0)) == 0)
  8868. vars->link_status |=
  8869. LINK_STATUS_PARALLEL_DETECTION_USED;
  8870. DP(NETIF_MSG_LINK, "BCM54616S: link speed is %d\n",
  8871. vars->line_speed);
  8872. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8873. }
  8874. return link_up;
  8875. }
  8876. static void bnx2x_54616s_config_loopback(struct bnx2x_phy *phy,
  8877. struct link_params *params)
  8878. {
  8879. struct bnx2x *bp = params->bp;
  8880. u16 val;
  8881. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  8882. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54616s\n");
  8883. /* Enable master/slave manual mmode and set to master */
  8884. /* mii write 9 [bits set 11 12] */
  8885. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  8886. /* forced 1G and disable autoneg */
  8887. /* set val [mii read 0] */
  8888. /* set val [expr $val & [bits clear 6 12 13]] */
  8889. /* set val [expr $val | [bits set 6 8]] */
  8890. /* mii write 0 $val */
  8891. bnx2x_cl22_read(bp, phy, 0x00, &val);
  8892. val &= ~((1<<6) | (1<<12) | (1<<13));
  8893. val |= (1<<6) | (1<<8);
  8894. bnx2x_cl22_write(bp, phy, 0x00, val);
  8895. /* Set external loopback and Tx using 6dB coding */
  8896. /* mii write 0x18 7 */
  8897. /* set val [mii read 0x18] */
  8898. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  8899. bnx2x_cl22_write(bp, phy, 0x18, 7);
  8900. bnx2x_cl22_read(bp, phy, 0x18, &val);
  8901. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  8902. /* This register opens the gate for the UMAC despite its name */
  8903. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  8904. /*
  8905. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  8906. * length used by the MAC receive logic to check frames.
  8907. */
  8908. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  8909. }
  8910. /******************************************************************/
  8911. /* SFX7101 PHY SECTION */
  8912. /******************************************************************/
  8913. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  8914. struct link_params *params)
  8915. {
  8916. struct bnx2x *bp = params->bp;
  8917. /* SFX7101_XGXS_TEST1 */
  8918. bnx2x_cl45_write(bp, phy,
  8919. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  8920. }
  8921. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  8922. struct link_params *params,
  8923. struct link_vars *vars)
  8924. {
  8925. u16 fw_ver1, fw_ver2, val;
  8926. struct bnx2x *bp = params->bp;
  8927. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  8928. /* Restore normal power mode*/
  8929. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8930. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8931. /* HW reset */
  8932. bnx2x_ext_phy_hw_reset(bp, params->port);
  8933. bnx2x_wait_reset_complete(bp, phy, params);
  8934. bnx2x_cl45_write(bp, phy,
  8935. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  8936. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  8937. bnx2x_cl45_write(bp, phy,
  8938. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  8939. bnx2x_ext_phy_set_pause(params, phy, vars);
  8940. /* Restart autoneg */
  8941. bnx2x_cl45_read(bp, phy,
  8942. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  8943. val |= 0x200;
  8944. bnx2x_cl45_write(bp, phy,
  8945. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  8946. /* Save spirom version */
  8947. bnx2x_cl45_read(bp, phy,
  8948. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  8949. bnx2x_cl45_read(bp, phy,
  8950. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  8951. bnx2x_save_spirom_version(bp, params->port,
  8952. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  8953. return 0;
  8954. }
  8955. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  8956. struct link_params *params,
  8957. struct link_vars *vars)
  8958. {
  8959. struct bnx2x *bp = params->bp;
  8960. u8 link_up;
  8961. u16 val1, val2;
  8962. bnx2x_cl45_read(bp, phy,
  8963. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  8964. bnx2x_cl45_read(bp, phy,
  8965. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8966. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  8967. val2, val1);
  8968. bnx2x_cl45_read(bp, phy,
  8969. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  8970. bnx2x_cl45_read(bp, phy,
  8971. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  8972. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  8973. val2, val1);
  8974. link_up = ((val1 & 4) == 4);
  8975. /* if link is up print the AN outcome of the SFX7101 PHY */
  8976. if (link_up) {
  8977. bnx2x_cl45_read(bp, phy,
  8978. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  8979. &val2);
  8980. vars->line_speed = SPEED_10000;
  8981. vars->duplex = DUPLEX_FULL;
  8982. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  8983. val2, (val2 & (1<<14)));
  8984. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8985. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8986. }
  8987. return link_up;
  8988. }
  8989. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  8990. {
  8991. if (*len < 5)
  8992. return -EINVAL;
  8993. str[0] = (spirom_ver & 0xFF);
  8994. str[1] = (spirom_ver & 0xFF00) >> 8;
  8995. str[2] = (spirom_ver & 0xFF0000) >> 16;
  8996. str[3] = (spirom_ver & 0xFF000000) >> 24;
  8997. str[4] = '\0';
  8998. *len -= 5;
  8999. return 0;
  9000. }
  9001. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9002. {
  9003. u16 val, cnt;
  9004. bnx2x_cl45_read(bp, phy,
  9005. MDIO_PMA_DEVAD,
  9006. MDIO_PMA_REG_7101_RESET, &val);
  9007. for (cnt = 0; cnt < 10; cnt++) {
  9008. msleep(50);
  9009. /* Writes a self-clearing reset */
  9010. bnx2x_cl45_write(bp, phy,
  9011. MDIO_PMA_DEVAD,
  9012. MDIO_PMA_REG_7101_RESET,
  9013. (val | (1<<15)));
  9014. /* Wait for clear */
  9015. bnx2x_cl45_read(bp, phy,
  9016. MDIO_PMA_DEVAD,
  9017. MDIO_PMA_REG_7101_RESET, &val);
  9018. if ((val & (1<<15)) == 0)
  9019. break;
  9020. }
  9021. }
  9022. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9023. struct link_params *params) {
  9024. /* Low power mode is controlled by GPIO 2 */
  9025. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9026. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9027. /* The PHY reset is controlled by GPIO 1 */
  9028. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9029. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9030. }
  9031. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9032. struct link_params *params, u8 mode)
  9033. {
  9034. u16 val = 0;
  9035. struct bnx2x *bp = params->bp;
  9036. switch (mode) {
  9037. case LED_MODE_FRONT_PANEL_OFF:
  9038. case LED_MODE_OFF:
  9039. val = 2;
  9040. break;
  9041. case LED_MODE_ON:
  9042. val = 1;
  9043. break;
  9044. case LED_MODE_OPER:
  9045. val = 0;
  9046. break;
  9047. }
  9048. bnx2x_cl45_write(bp, phy,
  9049. MDIO_PMA_DEVAD,
  9050. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9051. val);
  9052. }
  9053. /******************************************************************/
  9054. /* STATIC PHY DECLARATION */
  9055. /******************************************************************/
  9056. static struct bnx2x_phy phy_null = {
  9057. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9058. .addr = 0,
  9059. .def_md_devad = 0,
  9060. .flags = FLAGS_INIT_XGXS_FIRST,
  9061. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9062. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9063. .mdio_ctrl = 0,
  9064. .supported = 0,
  9065. .media_type = ETH_PHY_NOT_PRESENT,
  9066. .ver_addr = 0,
  9067. .req_flow_ctrl = 0,
  9068. .req_line_speed = 0,
  9069. .speed_cap_mask = 0,
  9070. .req_duplex = 0,
  9071. .rsrv = 0,
  9072. .config_init = (config_init_t)NULL,
  9073. .read_status = (read_status_t)NULL,
  9074. .link_reset = (link_reset_t)NULL,
  9075. .config_loopback = (config_loopback_t)NULL,
  9076. .format_fw_ver = (format_fw_ver_t)NULL,
  9077. .hw_reset = (hw_reset_t)NULL,
  9078. .set_link_led = (set_link_led_t)NULL,
  9079. .phy_specific_func = (phy_specific_func_t)NULL
  9080. };
  9081. static struct bnx2x_phy phy_serdes = {
  9082. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9083. .addr = 0xff,
  9084. .def_md_devad = 0,
  9085. .flags = 0,
  9086. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9087. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9088. .mdio_ctrl = 0,
  9089. .supported = (SUPPORTED_10baseT_Half |
  9090. SUPPORTED_10baseT_Full |
  9091. SUPPORTED_100baseT_Half |
  9092. SUPPORTED_100baseT_Full |
  9093. SUPPORTED_1000baseT_Full |
  9094. SUPPORTED_2500baseX_Full |
  9095. SUPPORTED_TP |
  9096. SUPPORTED_Autoneg |
  9097. SUPPORTED_Pause |
  9098. SUPPORTED_Asym_Pause),
  9099. .media_type = ETH_PHY_BASE_T,
  9100. .ver_addr = 0,
  9101. .req_flow_ctrl = 0,
  9102. .req_line_speed = 0,
  9103. .speed_cap_mask = 0,
  9104. .req_duplex = 0,
  9105. .rsrv = 0,
  9106. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9107. .read_status = (read_status_t)bnx2x_link_settings_status,
  9108. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9109. .config_loopback = (config_loopback_t)NULL,
  9110. .format_fw_ver = (format_fw_ver_t)NULL,
  9111. .hw_reset = (hw_reset_t)NULL,
  9112. .set_link_led = (set_link_led_t)NULL,
  9113. .phy_specific_func = (phy_specific_func_t)NULL
  9114. };
  9115. static struct bnx2x_phy phy_xgxs = {
  9116. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9117. .addr = 0xff,
  9118. .def_md_devad = 0,
  9119. .flags = 0,
  9120. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9121. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9122. .mdio_ctrl = 0,
  9123. .supported = (SUPPORTED_10baseT_Half |
  9124. SUPPORTED_10baseT_Full |
  9125. SUPPORTED_100baseT_Half |
  9126. SUPPORTED_100baseT_Full |
  9127. SUPPORTED_1000baseT_Full |
  9128. SUPPORTED_2500baseX_Full |
  9129. SUPPORTED_10000baseT_Full |
  9130. SUPPORTED_FIBRE |
  9131. SUPPORTED_Autoneg |
  9132. SUPPORTED_Pause |
  9133. SUPPORTED_Asym_Pause),
  9134. .media_type = ETH_PHY_CX4,
  9135. .ver_addr = 0,
  9136. .req_flow_ctrl = 0,
  9137. .req_line_speed = 0,
  9138. .speed_cap_mask = 0,
  9139. .req_duplex = 0,
  9140. .rsrv = 0,
  9141. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9142. .read_status = (read_status_t)bnx2x_link_settings_status,
  9143. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9144. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9145. .format_fw_ver = (format_fw_ver_t)NULL,
  9146. .hw_reset = (hw_reset_t)NULL,
  9147. .set_link_led = (set_link_led_t)NULL,
  9148. .phy_specific_func = (phy_specific_func_t)NULL
  9149. };
  9150. static struct bnx2x_phy phy_warpcore = {
  9151. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9152. .addr = 0xff,
  9153. .def_md_devad = 0,
  9154. .flags = FLAGS_HW_LOCK_REQUIRED,
  9155. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9156. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9157. .mdio_ctrl = 0,
  9158. .supported = (SUPPORTED_10baseT_Half |
  9159. SUPPORTED_10baseT_Full |
  9160. SUPPORTED_100baseT_Half |
  9161. SUPPORTED_100baseT_Full |
  9162. SUPPORTED_1000baseT_Full |
  9163. SUPPORTED_10000baseT_Full |
  9164. SUPPORTED_20000baseKR2_Full |
  9165. SUPPORTED_20000baseMLD2_Full |
  9166. SUPPORTED_FIBRE |
  9167. SUPPORTED_Autoneg |
  9168. SUPPORTED_Pause |
  9169. SUPPORTED_Asym_Pause),
  9170. .media_type = ETH_PHY_UNSPECIFIED,
  9171. .ver_addr = 0,
  9172. .req_flow_ctrl = 0,
  9173. .req_line_speed = 0,
  9174. .speed_cap_mask = 0,
  9175. /* req_duplex = */0,
  9176. /* rsrv = */0,
  9177. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9178. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9179. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9180. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9181. .format_fw_ver = (format_fw_ver_t)NULL,
  9182. .hw_reset = (hw_reset_t)NULL,
  9183. .set_link_led = (set_link_led_t)NULL,
  9184. .phy_specific_func = (phy_specific_func_t)NULL
  9185. };
  9186. static struct bnx2x_phy phy_7101 = {
  9187. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9188. .addr = 0xff,
  9189. .def_md_devad = 0,
  9190. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9191. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9192. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9193. .mdio_ctrl = 0,
  9194. .supported = (SUPPORTED_10000baseT_Full |
  9195. SUPPORTED_TP |
  9196. SUPPORTED_Autoneg |
  9197. SUPPORTED_Pause |
  9198. SUPPORTED_Asym_Pause),
  9199. .media_type = ETH_PHY_BASE_T,
  9200. .ver_addr = 0,
  9201. .req_flow_ctrl = 0,
  9202. .req_line_speed = 0,
  9203. .speed_cap_mask = 0,
  9204. .req_duplex = 0,
  9205. .rsrv = 0,
  9206. .config_init = (config_init_t)bnx2x_7101_config_init,
  9207. .read_status = (read_status_t)bnx2x_7101_read_status,
  9208. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9209. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9210. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9211. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9212. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9213. .phy_specific_func = (phy_specific_func_t)NULL
  9214. };
  9215. static struct bnx2x_phy phy_8073 = {
  9216. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9217. .addr = 0xff,
  9218. .def_md_devad = 0,
  9219. .flags = FLAGS_HW_LOCK_REQUIRED,
  9220. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9221. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9222. .mdio_ctrl = 0,
  9223. .supported = (SUPPORTED_10000baseT_Full |
  9224. SUPPORTED_2500baseX_Full |
  9225. SUPPORTED_1000baseT_Full |
  9226. SUPPORTED_FIBRE |
  9227. SUPPORTED_Autoneg |
  9228. SUPPORTED_Pause |
  9229. SUPPORTED_Asym_Pause),
  9230. .media_type = ETH_PHY_KR,
  9231. .ver_addr = 0,
  9232. .req_flow_ctrl = 0,
  9233. .req_line_speed = 0,
  9234. .speed_cap_mask = 0,
  9235. .req_duplex = 0,
  9236. .rsrv = 0,
  9237. .config_init = (config_init_t)bnx2x_8073_config_init,
  9238. .read_status = (read_status_t)bnx2x_8073_read_status,
  9239. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9240. .config_loopback = (config_loopback_t)NULL,
  9241. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9242. .hw_reset = (hw_reset_t)NULL,
  9243. .set_link_led = (set_link_led_t)NULL,
  9244. .phy_specific_func = (phy_specific_func_t)NULL
  9245. };
  9246. static struct bnx2x_phy phy_8705 = {
  9247. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9248. .addr = 0xff,
  9249. .def_md_devad = 0,
  9250. .flags = FLAGS_INIT_XGXS_FIRST,
  9251. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9252. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9253. .mdio_ctrl = 0,
  9254. .supported = (SUPPORTED_10000baseT_Full |
  9255. SUPPORTED_FIBRE |
  9256. SUPPORTED_Pause |
  9257. SUPPORTED_Asym_Pause),
  9258. .media_type = ETH_PHY_XFP_FIBER,
  9259. .ver_addr = 0,
  9260. .req_flow_ctrl = 0,
  9261. .req_line_speed = 0,
  9262. .speed_cap_mask = 0,
  9263. .req_duplex = 0,
  9264. .rsrv = 0,
  9265. .config_init = (config_init_t)bnx2x_8705_config_init,
  9266. .read_status = (read_status_t)bnx2x_8705_read_status,
  9267. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9268. .config_loopback = (config_loopback_t)NULL,
  9269. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9270. .hw_reset = (hw_reset_t)NULL,
  9271. .set_link_led = (set_link_led_t)NULL,
  9272. .phy_specific_func = (phy_specific_func_t)NULL
  9273. };
  9274. static struct bnx2x_phy phy_8706 = {
  9275. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9276. .addr = 0xff,
  9277. .def_md_devad = 0,
  9278. .flags = FLAGS_INIT_XGXS_FIRST,
  9279. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9280. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9281. .mdio_ctrl = 0,
  9282. .supported = (SUPPORTED_10000baseT_Full |
  9283. SUPPORTED_1000baseT_Full |
  9284. SUPPORTED_FIBRE |
  9285. SUPPORTED_Pause |
  9286. SUPPORTED_Asym_Pause),
  9287. .media_type = ETH_PHY_SFP_FIBER,
  9288. .ver_addr = 0,
  9289. .req_flow_ctrl = 0,
  9290. .req_line_speed = 0,
  9291. .speed_cap_mask = 0,
  9292. .req_duplex = 0,
  9293. .rsrv = 0,
  9294. .config_init = (config_init_t)bnx2x_8706_config_init,
  9295. .read_status = (read_status_t)bnx2x_8706_read_status,
  9296. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9297. .config_loopback = (config_loopback_t)NULL,
  9298. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9299. .hw_reset = (hw_reset_t)NULL,
  9300. .set_link_led = (set_link_led_t)NULL,
  9301. .phy_specific_func = (phy_specific_func_t)NULL
  9302. };
  9303. static struct bnx2x_phy phy_8726 = {
  9304. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9305. .addr = 0xff,
  9306. .def_md_devad = 0,
  9307. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9308. FLAGS_INIT_XGXS_FIRST),
  9309. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9310. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9311. .mdio_ctrl = 0,
  9312. .supported = (SUPPORTED_10000baseT_Full |
  9313. SUPPORTED_1000baseT_Full |
  9314. SUPPORTED_Autoneg |
  9315. SUPPORTED_FIBRE |
  9316. SUPPORTED_Pause |
  9317. SUPPORTED_Asym_Pause),
  9318. .media_type = ETH_PHY_NOT_PRESENT,
  9319. .ver_addr = 0,
  9320. .req_flow_ctrl = 0,
  9321. .req_line_speed = 0,
  9322. .speed_cap_mask = 0,
  9323. .req_duplex = 0,
  9324. .rsrv = 0,
  9325. .config_init = (config_init_t)bnx2x_8726_config_init,
  9326. .read_status = (read_status_t)bnx2x_8726_read_status,
  9327. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9328. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9329. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9330. .hw_reset = (hw_reset_t)NULL,
  9331. .set_link_led = (set_link_led_t)NULL,
  9332. .phy_specific_func = (phy_specific_func_t)NULL
  9333. };
  9334. static struct bnx2x_phy phy_8727 = {
  9335. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9336. .addr = 0xff,
  9337. .def_md_devad = 0,
  9338. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9339. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9340. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9341. .mdio_ctrl = 0,
  9342. .supported = (SUPPORTED_10000baseT_Full |
  9343. SUPPORTED_1000baseT_Full |
  9344. SUPPORTED_FIBRE |
  9345. SUPPORTED_Pause |
  9346. SUPPORTED_Asym_Pause),
  9347. .media_type = ETH_PHY_NOT_PRESENT,
  9348. .ver_addr = 0,
  9349. .req_flow_ctrl = 0,
  9350. .req_line_speed = 0,
  9351. .speed_cap_mask = 0,
  9352. .req_duplex = 0,
  9353. .rsrv = 0,
  9354. .config_init = (config_init_t)bnx2x_8727_config_init,
  9355. .read_status = (read_status_t)bnx2x_8727_read_status,
  9356. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9357. .config_loopback = (config_loopback_t)NULL,
  9358. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9359. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9360. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9361. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9362. };
  9363. static struct bnx2x_phy phy_8481 = {
  9364. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9365. .addr = 0xff,
  9366. .def_md_devad = 0,
  9367. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9368. FLAGS_REARM_LATCH_SIGNAL,
  9369. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9370. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9371. .mdio_ctrl = 0,
  9372. .supported = (SUPPORTED_10baseT_Half |
  9373. SUPPORTED_10baseT_Full |
  9374. SUPPORTED_100baseT_Half |
  9375. SUPPORTED_100baseT_Full |
  9376. SUPPORTED_1000baseT_Full |
  9377. SUPPORTED_10000baseT_Full |
  9378. SUPPORTED_TP |
  9379. SUPPORTED_Autoneg |
  9380. SUPPORTED_Pause |
  9381. SUPPORTED_Asym_Pause),
  9382. .media_type = ETH_PHY_BASE_T,
  9383. .ver_addr = 0,
  9384. .req_flow_ctrl = 0,
  9385. .req_line_speed = 0,
  9386. .speed_cap_mask = 0,
  9387. .req_duplex = 0,
  9388. .rsrv = 0,
  9389. .config_init = (config_init_t)bnx2x_8481_config_init,
  9390. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9391. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9392. .config_loopback = (config_loopback_t)NULL,
  9393. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9394. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9395. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9396. .phy_specific_func = (phy_specific_func_t)NULL
  9397. };
  9398. static struct bnx2x_phy phy_84823 = {
  9399. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9400. .addr = 0xff,
  9401. .def_md_devad = 0,
  9402. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9403. FLAGS_REARM_LATCH_SIGNAL,
  9404. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9405. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9406. .mdio_ctrl = 0,
  9407. .supported = (SUPPORTED_10baseT_Half |
  9408. SUPPORTED_10baseT_Full |
  9409. SUPPORTED_100baseT_Half |
  9410. SUPPORTED_100baseT_Full |
  9411. SUPPORTED_1000baseT_Full |
  9412. SUPPORTED_10000baseT_Full |
  9413. SUPPORTED_TP |
  9414. SUPPORTED_Autoneg |
  9415. SUPPORTED_Pause |
  9416. SUPPORTED_Asym_Pause),
  9417. .media_type = ETH_PHY_BASE_T,
  9418. .ver_addr = 0,
  9419. .req_flow_ctrl = 0,
  9420. .req_line_speed = 0,
  9421. .speed_cap_mask = 0,
  9422. .req_duplex = 0,
  9423. .rsrv = 0,
  9424. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9425. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9426. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9427. .config_loopback = (config_loopback_t)NULL,
  9428. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9429. .hw_reset = (hw_reset_t)NULL,
  9430. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9431. .phy_specific_func = (phy_specific_func_t)NULL
  9432. };
  9433. static struct bnx2x_phy phy_84833 = {
  9434. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9435. .addr = 0xff,
  9436. .def_md_devad = 0,
  9437. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9438. FLAGS_REARM_LATCH_SIGNAL,
  9439. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9440. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9441. .mdio_ctrl = 0,
  9442. .supported = (SUPPORTED_10baseT_Half |
  9443. SUPPORTED_10baseT_Full |
  9444. SUPPORTED_100baseT_Half |
  9445. SUPPORTED_100baseT_Full |
  9446. SUPPORTED_1000baseT_Full |
  9447. SUPPORTED_10000baseT_Full |
  9448. SUPPORTED_TP |
  9449. SUPPORTED_Autoneg |
  9450. SUPPORTED_Pause |
  9451. SUPPORTED_Asym_Pause),
  9452. .media_type = ETH_PHY_BASE_T,
  9453. .ver_addr = 0,
  9454. .req_flow_ctrl = 0,
  9455. .req_line_speed = 0,
  9456. .speed_cap_mask = 0,
  9457. .req_duplex = 0,
  9458. .rsrv = 0,
  9459. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9460. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9461. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9462. .config_loopback = (config_loopback_t)NULL,
  9463. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9464. .hw_reset = (hw_reset_t)NULL,
  9465. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9466. .phy_specific_func = (phy_specific_func_t)NULL
  9467. };
  9468. static struct bnx2x_phy phy_54616s = {
  9469. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616,
  9470. .addr = 0xff,
  9471. .def_md_devad = 0,
  9472. .flags = FLAGS_INIT_XGXS_FIRST,
  9473. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9474. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9475. .mdio_ctrl = 0,
  9476. .supported = (SUPPORTED_10baseT_Half |
  9477. SUPPORTED_10baseT_Full |
  9478. SUPPORTED_100baseT_Half |
  9479. SUPPORTED_100baseT_Full |
  9480. SUPPORTED_1000baseT_Full |
  9481. SUPPORTED_TP |
  9482. SUPPORTED_Autoneg |
  9483. SUPPORTED_Pause |
  9484. SUPPORTED_Asym_Pause),
  9485. .media_type = ETH_PHY_BASE_T,
  9486. .ver_addr = 0,
  9487. .req_flow_ctrl = 0,
  9488. .req_line_speed = 0,
  9489. .speed_cap_mask = 0,
  9490. /* req_duplex = */0,
  9491. /* rsrv = */0,
  9492. .config_init = (config_init_t)bnx2x_54616s_config_init,
  9493. .read_status = (read_status_t)bnx2x_54616s_read_status,
  9494. .link_reset = (link_reset_t)bnx2x_54616s_link_reset,
  9495. .config_loopback = (config_loopback_t)bnx2x_54616s_config_loopback,
  9496. .format_fw_ver = (format_fw_ver_t)NULL,
  9497. .hw_reset = (hw_reset_t)NULL,
  9498. .set_link_led = (set_link_led_t)bnx2x_54616s_set_link_led,
  9499. .phy_specific_func = (phy_specific_func_t)NULL
  9500. };
  9501. /*****************************************************************/
  9502. /* */
  9503. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9504. /* */
  9505. /*****************************************************************/
  9506. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9507. struct bnx2x_phy *phy, u8 port,
  9508. u8 phy_index)
  9509. {
  9510. /* Get the 4 lanes xgxs config rx and tx */
  9511. u32 rx = 0, tx = 0, i;
  9512. for (i = 0; i < 2; i++) {
  9513. /*
  9514. * INT_PHY and EXT_PHY1 share the same value location in the
  9515. * shmem. When num_phys is greater than 1, than this value
  9516. * applies only to EXT_PHY1
  9517. */
  9518. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9519. rx = REG_RD(bp, shmem_base +
  9520. offsetof(struct shmem_region,
  9521. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9522. tx = REG_RD(bp, shmem_base +
  9523. offsetof(struct shmem_region,
  9524. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9525. } else {
  9526. rx = REG_RD(bp, shmem_base +
  9527. offsetof(struct shmem_region,
  9528. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9529. tx = REG_RD(bp, shmem_base +
  9530. offsetof(struct shmem_region,
  9531. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9532. }
  9533. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9534. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9535. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9536. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9537. }
  9538. }
  9539. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9540. u8 phy_index, u8 port)
  9541. {
  9542. u32 ext_phy_config = 0;
  9543. switch (phy_index) {
  9544. case EXT_PHY1:
  9545. ext_phy_config = REG_RD(bp, shmem_base +
  9546. offsetof(struct shmem_region,
  9547. dev_info.port_hw_config[port].external_phy_config));
  9548. break;
  9549. case EXT_PHY2:
  9550. ext_phy_config = REG_RD(bp, shmem_base +
  9551. offsetof(struct shmem_region,
  9552. dev_info.port_hw_config[port].external_phy_config2));
  9553. break;
  9554. default:
  9555. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9556. return -EINVAL;
  9557. }
  9558. return ext_phy_config;
  9559. }
  9560. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9561. struct bnx2x_phy *phy)
  9562. {
  9563. u32 phy_addr;
  9564. u32 chip_id;
  9565. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9566. offsetof(struct shmem_region,
  9567. dev_info.port_feature_config[port].link_config)) &
  9568. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9569. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9570. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9571. if (USES_WARPCORE(bp)) {
  9572. u32 serdes_net_if;
  9573. phy_addr = REG_RD(bp,
  9574. MISC_REG_WC0_CTRL_PHY_ADDR);
  9575. *phy = phy_warpcore;
  9576. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9577. phy->flags |= FLAGS_4_PORT_MODE;
  9578. else
  9579. phy->flags &= ~FLAGS_4_PORT_MODE;
  9580. /* Check Dual mode */
  9581. serdes_net_if = (REG_RD(bp, shmem_base +
  9582. offsetof(struct shmem_region, dev_info.
  9583. port_hw_config[port].default_cfg)) &
  9584. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9585. /*
  9586. * Set the appropriate supported and flags indications per
  9587. * interface type of the chip
  9588. */
  9589. switch (serdes_net_if) {
  9590. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9591. phy->supported &= (SUPPORTED_10baseT_Half |
  9592. SUPPORTED_10baseT_Full |
  9593. SUPPORTED_100baseT_Half |
  9594. SUPPORTED_100baseT_Full |
  9595. SUPPORTED_1000baseT_Full |
  9596. SUPPORTED_FIBRE |
  9597. SUPPORTED_Autoneg |
  9598. SUPPORTED_Pause |
  9599. SUPPORTED_Asym_Pause);
  9600. phy->media_type = ETH_PHY_BASE_T;
  9601. break;
  9602. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9603. phy->media_type = ETH_PHY_XFP_FIBER;
  9604. break;
  9605. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9606. phy->supported &= (SUPPORTED_1000baseT_Full |
  9607. SUPPORTED_10000baseT_Full |
  9608. SUPPORTED_FIBRE |
  9609. SUPPORTED_Pause |
  9610. SUPPORTED_Asym_Pause);
  9611. phy->media_type = ETH_PHY_SFP_FIBER;
  9612. break;
  9613. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9614. phy->media_type = ETH_PHY_KR;
  9615. phy->supported &= (SUPPORTED_1000baseT_Full |
  9616. SUPPORTED_10000baseT_Full |
  9617. SUPPORTED_FIBRE |
  9618. SUPPORTED_Autoneg |
  9619. SUPPORTED_Pause |
  9620. SUPPORTED_Asym_Pause);
  9621. break;
  9622. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9623. phy->media_type = ETH_PHY_KR;
  9624. phy->flags |= FLAGS_WC_DUAL_MODE;
  9625. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9626. SUPPORTED_FIBRE |
  9627. SUPPORTED_Pause |
  9628. SUPPORTED_Asym_Pause);
  9629. break;
  9630. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9631. phy->media_type = ETH_PHY_KR;
  9632. phy->flags |= FLAGS_WC_DUAL_MODE;
  9633. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9634. SUPPORTED_FIBRE |
  9635. SUPPORTED_Pause |
  9636. SUPPORTED_Asym_Pause);
  9637. break;
  9638. default:
  9639. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9640. serdes_net_if);
  9641. break;
  9642. }
  9643. /*
  9644. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9645. * was not set as expected. For B0, ECO will be enabled so there
  9646. * won't be an issue there
  9647. */
  9648. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9649. phy->flags |= FLAGS_MDC_MDIO_WA;
  9650. } else {
  9651. switch (switch_cfg) {
  9652. case SWITCH_CFG_1G:
  9653. phy_addr = REG_RD(bp,
  9654. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9655. port * 0x10);
  9656. *phy = phy_serdes;
  9657. break;
  9658. case SWITCH_CFG_10G:
  9659. phy_addr = REG_RD(bp,
  9660. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9661. port * 0x18);
  9662. *phy = phy_xgxs;
  9663. break;
  9664. default:
  9665. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9666. return -EINVAL;
  9667. }
  9668. }
  9669. phy->addr = (u8)phy_addr;
  9670. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9671. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9672. port);
  9673. if (CHIP_IS_E2(bp))
  9674. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9675. else
  9676. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9677. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9678. port, phy->addr, phy->mdio_ctrl);
  9679. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9680. return 0;
  9681. }
  9682. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9683. u8 phy_index,
  9684. u32 shmem_base,
  9685. u32 shmem2_base,
  9686. u8 port,
  9687. struct bnx2x_phy *phy)
  9688. {
  9689. u32 ext_phy_config, phy_type, config2;
  9690. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9691. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9692. phy_index, port);
  9693. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9694. /* Select the phy type */
  9695. switch (phy_type) {
  9696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9697. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9698. *phy = phy_8073;
  9699. break;
  9700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9701. *phy = phy_8705;
  9702. break;
  9703. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9704. *phy = phy_8706;
  9705. break;
  9706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9707. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9708. *phy = phy_8726;
  9709. break;
  9710. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9711. /* BCM8727_NOC => BCM8727 no over current */
  9712. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9713. *phy = phy_8727;
  9714. phy->flags |= FLAGS_NOC;
  9715. break;
  9716. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9717. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9718. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9719. *phy = phy_8727;
  9720. break;
  9721. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9722. *phy = phy_8481;
  9723. break;
  9724. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9725. *phy = phy_84823;
  9726. break;
  9727. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9728. *phy = phy_84833;
  9729. break;
  9730. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  9731. *phy = phy_54616s;
  9732. break;
  9733. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9734. *phy = phy_7101;
  9735. break;
  9736. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9737. *phy = phy_null;
  9738. return -EINVAL;
  9739. default:
  9740. *phy = phy_null;
  9741. return 0;
  9742. }
  9743. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9744. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9745. /*
  9746. * The shmem address of the phy version is located on different
  9747. * structures. In case this structure is too old, do not set
  9748. * the address
  9749. */
  9750. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9751. dev_info.shared_hw_config.config2));
  9752. if (phy_index == EXT_PHY1) {
  9753. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9754. port_mb[port].ext_phy_fw_version);
  9755. /* Check specific mdc mdio settings */
  9756. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9757. mdc_mdio_access = config2 &
  9758. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9759. } else {
  9760. u32 size = REG_RD(bp, shmem2_base);
  9761. if (size >
  9762. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9763. phy->ver_addr = shmem2_base +
  9764. offsetof(struct shmem2_region,
  9765. ext_phy_fw_version2[port]);
  9766. }
  9767. /* Check specific mdc mdio settings */
  9768. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  9769. mdc_mdio_access = (config2 &
  9770. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  9771. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  9772. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  9773. }
  9774. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  9775. /*
  9776. * In case mdc/mdio_access of the external phy is different than the
  9777. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  9778. * to prevent one port interfere with another port's CL45 operations.
  9779. */
  9780. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  9781. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  9782. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  9783. phy_type, port, phy_index);
  9784. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  9785. phy->addr, phy->mdio_ctrl);
  9786. return 0;
  9787. }
  9788. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  9789. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  9790. {
  9791. int status = 0;
  9792. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  9793. if (phy_index == INT_PHY)
  9794. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  9795. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  9796. port, phy);
  9797. return status;
  9798. }
  9799. static void bnx2x_phy_def_cfg(struct link_params *params,
  9800. struct bnx2x_phy *phy,
  9801. u8 phy_index)
  9802. {
  9803. struct bnx2x *bp = params->bp;
  9804. u32 link_config;
  9805. /* Populate the default phy configuration for MF mode */
  9806. if (phy_index == EXT_PHY2) {
  9807. link_config = REG_RD(bp, params->shmem_base +
  9808. offsetof(struct shmem_region, dev_info.
  9809. port_feature_config[params->port].link_config2));
  9810. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  9811. offsetof(struct shmem_region,
  9812. dev_info.
  9813. port_hw_config[params->port].speed_capability_mask2));
  9814. } else {
  9815. link_config = REG_RD(bp, params->shmem_base +
  9816. offsetof(struct shmem_region, dev_info.
  9817. port_feature_config[params->port].link_config));
  9818. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  9819. offsetof(struct shmem_region,
  9820. dev_info.
  9821. port_hw_config[params->port].speed_capability_mask));
  9822. }
  9823. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  9824. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  9825. phy->req_duplex = DUPLEX_FULL;
  9826. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  9827. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  9828. phy->req_duplex = DUPLEX_HALF;
  9829. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  9830. phy->req_line_speed = SPEED_10;
  9831. break;
  9832. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  9833. phy->req_duplex = DUPLEX_HALF;
  9834. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  9835. phy->req_line_speed = SPEED_100;
  9836. break;
  9837. case PORT_FEATURE_LINK_SPEED_1G:
  9838. phy->req_line_speed = SPEED_1000;
  9839. break;
  9840. case PORT_FEATURE_LINK_SPEED_2_5G:
  9841. phy->req_line_speed = SPEED_2500;
  9842. break;
  9843. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  9844. phy->req_line_speed = SPEED_10000;
  9845. break;
  9846. default:
  9847. phy->req_line_speed = SPEED_AUTO_NEG;
  9848. break;
  9849. }
  9850. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  9851. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  9852. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  9853. break;
  9854. case PORT_FEATURE_FLOW_CONTROL_TX:
  9855. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  9856. break;
  9857. case PORT_FEATURE_FLOW_CONTROL_RX:
  9858. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  9859. break;
  9860. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  9861. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  9862. break;
  9863. default:
  9864. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9865. break;
  9866. }
  9867. }
  9868. u32 bnx2x_phy_selection(struct link_params *params)
  9869. {
  9870. u32 phy_config_swapped, prio_cfg;
  9871. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  9872. phy_config_swapped = params->multi_phy_config &
  9873. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  9874. prio_cfg = params->multi_phy_config &
  9875. PORT_HW_CFG_PHY_SELECTION_MASK;
  9876. if (phy_config_swapped) {
  9877. switch (prio_cfg) {
  9878. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  9879. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  9880. break;
  9881. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  9882. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  9883. break;
  9884. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  9885. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  9886. break;
  9887. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  9888. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  9889. break;
  9890. }
  9891. } else
  9892. return_cfg = prio_cfg;
  9893. return return_cfg;
  9894. }
  9895. int bnx2x_phy_probe(struct link_params *params)
  9896. {
  9897. u8 phy_index, actual_phy_idx, link_cfg_idx;
  9898. u32 phy_config_swapped, sync_offset, media_types;
  9899. struct bnx2x *bp = params->bp;
  9900. struct bnx2x_phy *phy;
  9901. params->num_phys = 0;
  9902. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  9903. phy_config_swapped = params->multi_phy_config &
  9904. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  9905. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  9906. phy_index++) {
  9907. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  9908. actual_phy_idx = phy_index;
  9909. if (phy_config_swapped) {
  9910. if (phy_index == EXT_PHY1)
  9911. actual_phy_idx = EXT_PHY2;
  9912. else if (phy_index == EXT_PHY2)
  9913. actual_phy_idx = EXT_PHY1;
  9914. }
  9915. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  9916. " actual_phy_idx %x\n", phy_config_swapped,
  9917. phy_index, actual_phy_idx);
  9918. phy = &params->phy[actual_phy_idx];
  9919. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  9920. params->shmem2_base, params->port,
  9921. phy) != 0) {
  9922. params->num_phys = 0;
  9923. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  9924. phy_index);
  9925. for (phy_index = INT_PHY;
  9926. phy_index < MAX_PHYS;
  9927. phy_index++)
  9928. *phy = phy_null;
  9929. return -EINVAL;
  9930. }
  9931. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  9932. break;
  9933. sync_offset = params->shmem_base +
  9934. offsetof(struct shmem_region,
  9935. dev_info.port_hw_config[params->port].media_type);
  9936. media_types = REG_RD(bp, sync_offset);
  9937. /*
  9938. * Update media type for non-PMF sync only for the first time
  9939. * In case the media type changes afterwards, it will be updated
  9940. * using the update_status function
  9941. */
  9942. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  9943. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  9944. actual_phy_idx))) == 0) {
  9945. media_types |= ((phy->media_type &
  9946. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  9947. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  9948. actual_phy_idx));
  9949. }
  9950. REG_WR(bp, sync_offset, media_types);
  9951. bnx2x_phy_def_cfg(params, phy, phy_index);
  9952. params->num_phys++;
  9953. }
  9954. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  9955. return 0;
  9956. }
  9957. void bnx2x_init_bmac_loopback(struct link_params *params,
  9958. struct link_vars *vars)
  9959. {
  9960. struct bnx2x *bp = params->bp;
  9961. vars->link_up = 1;
  9962. vars->line_speed = SPEED_10000;
  9963. vars->duplex = DUPLEX_FULL;
  9964. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9965. vars->mac_type = MAC_TYPE_BMAC;
  9966. vars->phy_flags = PHY_XGXS_FLAG;
  9967. bnx2x_xgxs_deassert(params);
  9968. /* set bmac loopback */
  9969. bnx2x_bmac_enable(params, vars, 1);
  9970. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  9971. }
  9972. void bnx2x_init_emac_loopback(struct link_params *params,
  9973. struct link_vars *vars)
  9974. {
  9975. struct bnx2x *bp = params->bp;
  9976. vars->link_up = 1;
  9977. vars->line_speed = SPEED_1000;
  9978. vars->duplex = DUPLEX_FULL;
  9979. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9980. vars->mac_type = MAC_TYPE_EMAC;
  9981. vars->phy_flags = PHY_XGXS_FLAG;
  9982. bnx2x_xgxs_deassert(params);
  9983. /* set bmac loopback */
  9984. bnx2x_emac_enable(params, vars, 1);
  9985. bnx2x_emac_program(params, vars);
  9986. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  9987. }
  9988. void bnx2x_init_xmac_loopback(struct link_params *params,
  9989. struct link_vars *vars)
  9990. {
  9991. struct bnx2x *bp = params->bp;
  9992. vars->link_up = 1;
  9993. if (!params->req_line_speed[0])
  9994. vars->line_speed = SPEED_10000;
  9995. else
  9996. vars->line_speed = params->req_line_speed[0];
  9997. vars->duplex = DUPLEX_FULL;
  9998. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9999. vars->mac_type = MAC_TYPE_XMAC;
  10000. vars->phy_flags = PHY_XGXS_FLAG;
  10001. /*
  10002. * Set WC to loopback mode since link is required to provide clock
  10003. * to the XMAC in 20G mode
  10004. */
  10005. if (vars->line_speed == SPEED_20000) {
  10006. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10007. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10008. params->phy[INT_PHY].config_loopback(
  10009. &params->phy[INT_PHY],
  10010. params);
  10011. }
  10012. bnx2x_xmac_enable(params, vars, 1);
  10013. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10014. }
  10015. void bnx2x_init_umac_loopback(struct link_params *params,
  10016. struct link_vars *vars)
  10017. {
  10018. struct bnx2x *bp = params->bp;
  10019. vars->link_up = 1;
  10020. vars->line_speed = SPEED_1000;
  10021. vars->duplex = DUPLEX_FULL;
  10022. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10023. vars->mac_type = MAC_TYPE_UMAC;
  10024. vars->phy_flags = PHY_XGXS_FLAG;
  10025. bnx2x_umac_enable(params, vars, 1);
  10026. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10027. }
  10028. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10029. struct link_vars *vars)
  10030. {
  10031. struct bnx2x *bp = params->bp;
  10032. vars->link_up = 1;
  10033. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10034. vars->duplex = DUPLEX_FULL;
  10035. if (params->req_line_speed[0] == SPEED_1000)
  10036. vars->line_speed = SPEED_1000;
  10037. else
  10038. vars->line_speed = SPEED_10000;
  10039. if (!USES_WARPCORE(bp))
  10040. bnx2x_xgxs_deassert(params);
  10041. bnx2x_link_initialize(params, vars);
  10042. if (params->req_line_speed[0] == SPEED_1000) {
  10043. if (USES_WARPCORE(bp))
  10044. bnx2x_umac_enable(params, vars, 0);
  10045. else {
  10046. bnx2x_emac_program(params, vars);
  10047. bnx2x_emac_enable(params, vars, 0);
  10048. }
  10049. } else {
  10050. if (USES_WARPCORE(bp))
  10051. bnx2x_xmac_enable(params, vars, 0);
  10052. else
  10053. bnx2x_bmac_enable(params, vars, 0);
  10054. }
  10055. if (params->loopback_mode == LOOPBACK_XGXS) {
  10056. /* set 10G XGXS loopback */
  10057. params->phy[INT_PHY].config_loopback(
  10058. &params->phy[INT_PHY],
  10059. params);
  10060. } else {
  10061. /* set external phy loopback */
  10062. u8 phy_index;
  10063. for (phy_index = EXT_PHY1;
  10064. phy_index < params->num_phys; phy_index++) {
  10065. if (params->phy[phy_index].config_loopback)
  10066. params->phy[phy_index].config_loopback(
  10067. &params->phy[phy_index],
  10068. params);
  10069. }
  10070. }
  10071. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10072. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10073. }
  10074. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10075. {
  10076. struct bnx2x *bp = params->bp;
  10077. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10078. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10079. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10080. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10081. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10082. vars->link_status = 0;
  10083. vars->phy_link_up = 0;
  10084. vars->link_up = 0;
  10085. vars->line_speed = 0;
  10086. vars->duplex = DUPLEX_FULL;
  10087. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10088. vars->mac_type = MAC_TYPE_NONE;
  10089. vars->phy_flags = 0;
  10090. /* disable attentions */
  10091. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10092. (NIG_MASK_XGXS0_LINK_STATUS |
  10093. NIG_MASK_XGXS0_LINK10G |
  10094. NIG_MASK_SERDES0_LINK_STATUS |
  10095. NIG_MASK_MI_INT));
  10096. bnx2x_emac_init(params, vars);
  10097. if (params->num_phys == 0) {
  10098. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10099. return -EINVAL;
  10100. }
  10101. set_phy_vars(params, vars);
  10102. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10103. switch (params->loopback_mode) {
  10104. case LOOPBACK_BMAC:
  10105. bnx2x_init_bmac_loopback(params, vars);
  10106. break;
  10107. case LOOPBACK_EMAC:
  10108. bnx2x_init_emac_loopback(params, vars);
  10109. break;
  10110. case LOOPBACK_XMAC:
  10111. bnx2x_init_xmac_loopback(params, vars);
  10112. break;
  10113. case LOOPBACK_UMAC:
  10114. bnx2x_init_umac_loopback(params, vars);
  10115. break;
  10116. case LOOPBACK_XGXS:
  10117. case LOOPBACK_EXT_PHY:
  10118. bnx2x_init_xgxs_loopback(params, vars);
  10119. break;
  10120. default:
  10121. if (!CHIP_IS_E3(bp)) {
  10122. if (params->switch_cfg == SWITCH_CFG_10G)
  10123. bnx2x_xgxs_deassert(params);
  10124. else
  10125. bnx2x_serdes_deassert(bp, params->port);
  10126. }
  10127. bnx2x_link_initialize(params, vars);
  10128. msleep(30);
  10129. bnx2x_link_int_enable(params);
  10130. break;
  10131. }
  10132. return 0;
  10133. }
  10134. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10135. u8 reset_ext_phy)
  10136. {
  10137. struct bnx2x *bp = params->bp;
  10138. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10139. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10140. /* disable attentions */
  10141. vars->link_status = 0;
  10142. bnx2x_update_mng(params, vars->link_status);
  10143. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10144. (NIG_MASK_XGXS0_LINK_STATUS |
  10145. NIG_MASK_XGXS0_LINK10G |
  10146. NIG_MASK_SERDES0_LINK_STATUS |
  10147. NIG_MASK_MI_INT));
  10148. /* activate nig drain */
  10149. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10150. /* disable nig egress interface */
  10151. if (!CHIP_IS_E3(bp)) {
  10152. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10153. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10154. }
  10155. /* Stop BigMac rx */
  10156. if (!CHIP_IS_E3(bp))
  10157. bnx2x_bmac_rx_disable(bp, port);
  10158. else
  10159. bnx2x_xmac_disable(params);
  10160. /* disable emac */
  10161. if (!CHIP_IS_E3(bp))
  10162. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10163. msleep(10);
  10164. /* The PHY reset is controlled by GPIO 1
  10165. * Hold it as vars low
  10166. */
  10167. /* clear link led */
  10168. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10169. if (reset_ext_phy) {
  10170. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10171. phy_index++) {
  10172. if (params->phy[phy_index].link_reset)
  10173. params->phy[phy_index].link_reset(
  10174. &params->phy[phy_index],
  10175. params);
  10176. if (params->phy[phy_index].flags &
  10177. FLAGS_REARM_LATCH_SIGNAL)
  10178. clear_latch_ind = 1;
  10179. }
  10180. }
  10181. if (clear_latch_ind) {
  10182. /* Clear latching indication */
  10183. bnx2x_rearm_latch_signal(bp, port, 0);
  10184. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10185. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10186. }
  10187. if (params->phy[INT_PHY].link_reset)
  10188. params->phy[INT_PHY].link_reset(
  10189. &params->phy[INT_PHY], params);
  10190. /* reset BigMac */
  10191. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10192. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10193. /* disable nig ingress interface */
  10194. if (!CHIP_IS_E3(bp)) {
  10195. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10196. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10197. }
  10198. vars->link_up = 0;
  10199. vars->phy_flags = 0;
  10200. return 0;
  10201. }
  10202. /****************************************************************************/
  10203. /* Common function */
  10204. /****************************************************************************/
  10205. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10206. u32 shmem_base_path[],
  10207. u32 shmem2_base_path[], u8 phy_index,
  10208. u32 chip_id)
  10209. {
  10210. struct bnx2x_phy phy[PORT_MAX];
  10211. struct bnx2x_phy *phy_blk[PORT_MAX];
  10212. u16 val;
  10213. s8 port = 0;
  10214. s8 port_of_path = 0;
  10215. u32 swap_val, swap_override;
  10216. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10217. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10218. port ^= (swap_val && swap_override);
  10219. bnx2x_ext_phy_hw_reset(bp, port);
  10220. /* PART1 - Reset both phys */
  10221. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10222. u32 shmem_base, shmem2_base;
  10223. /* In E2, same phy is using for port0 of the two paths */
  10224. if (CHIP_IS_E1x(bp)) {
  10225. shmem_base = shmem_base_path[0];
  10226. shmem2_base = shmem2_base_path[0];
  10227. port_of_path = port;
  10228. } else {
  10229. shmem_base = shmem_base_path[port];
  10230. shmem2_base = shmem2_base_path[port];
  10231. port_of_path = 0;
  10232. }
  10233. /* Extract the ext phy address for the port */
  10234. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10235. port_of_path, &phy[port]) !=
  10236. 0) {
  10237. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10238. return -EINVAL;
  10239. }
  10240. /* disable attentions */
  10241. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10242. port_of_path*4,
  10243. (NIG_MASK_XGXS0_LINK_STATUS |
  10244. NIG_MASK_XGXS0_LINK10G |
  10245. NIG_MASK_SERDES0_LINK_STATUS |
  10246. NIG_MASK_MI_INT));
  10247. /* Need to take the phy out of low power mode in order
  10248. to write to access its registers */
  10249. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10250. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10251. port);
  10252. /* Reset the phy */
  10253. bnx2x_cl45_write(bp, &phy[port],
  10254. MDIO_PMA_DEVAD,
  10255. MDIO_PMA_REG_CTRL,
  10256. 1<<15);
  10257. }
  10258. /* Add delay of 150ms after reset */
  10259. msleep(150);
  10260. if (phy[PORT_0].addr & 0x1) {
  10261. phy_blk[PORT_0] = &(phy[PORT_1]);
  10262. phy_blk[PORT_1] = &(phy[PORT_0]);
  10263. } else {
  10264. phy_blk[PORT_0] = &(phy[PORT_0]);
  10265. phy_blk[PORT_1] = &(phy[PORT_1]);
  10266. }
  10267. /* PART2 - Download firmware to both phys */
  10268. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10269. if (CHIP_IS_E1x(bp))
  10270. port_of_path = port;
  10271. else
  10272. port_of_path = 0;
  10273. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10274. phy_blk[port]->addr);
  10275. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10276. port_of_path))
  10277. return -EINVAL;
  10278. /* Only set bit 10 = 1 (Tx power down) */
  10279. bnx2x_cl45_read(bp, phy_blk[port],
  10280. MDIO_PMA_DEVAD,
  10281. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10282. /* Phase1 of TX_POWER_DOWN reset */
  10283. bnx2x_cl45_write(bp, phy_blk[port],
  10284. MDIO_PMA_DEVAD,
  10285. MDIO_PMA_REG_TX_POWER_DOWN,
  10286. (val | 1<<10));
  10287. }
  10288. /*
  10289. * Toggle Transmitter: Power down and then up with 600ms delay
  10290. * between
  10291. */
  10292. msleep(600);
  10293. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10294. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10295. /* Phase2 of POWER_DOWN_RESET */
  10296. /* Release bit 10 (Release Tx power down) */
  10297. bnx2x_cl45_read(bp, phy_blk[port],
  10298. MDIO_PMA_DEVAD,
  10299. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10300. bnx2x_cl45_write(bp, phy_blk[port],
  10301. MDIO_PMA_DEVAD,
  10302. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10303. msleep(15);
  10304. /* Read modify write the SPI-ROM version select register */
  10305. bnx2x_cl45_read(bp, phy_blk[port],
  10306. MDIO_PMA_DEVAD,
  10307. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10308. bnx2x_cl45_write(bp, phy_blk[port],
  10309. MDIO_PMA_DEVAD,
  10310. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10311. /* set GPIO2 back to LOW */
  10312. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10313. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10314. }
  10315. return 0;
  10316. }
  10317. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10318. u32 shmem_base_path[],
  10319. u32 shmem2_base_path[], u8 phy_index,
  10320. u32 chip_id)
  10321. {
  10322. u32 val;
  10323. s8 port;
  10324. struct bnx2x_phy phy;
  10325. /* Use port1 because of the static port-swap */
  10326. /* Enable the module detection interrupt */
  10327. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10328. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10329. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10330. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10331. bnx2x_ext_phy_hw_reset(bp, 0);
  10332. msleep(5);
  10333. for (port = 0; port < PORT_MAX; port++) {
  10334. u32 shmem_base, shmem2_base;
  10335. /* In E2, same phy is using for port0 of the two paths */
  10336. if (CHIP_IS_E1x(bp)) {
  10337. shmem_base = shmem_base_path[0];
  10338. shmem2_base = shmem2_base_path[0];
  10339. } else {
  10340. shmem_base = shmem_base_path[port];
  10341. shmem2_base = shmem2_base_path[port];
  10342. }
  10343. /* Extract the ext phy address for the port */
  10344. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10345. port, &phy) !=
  10346. 0) {
  10347. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10348. return -EINVAL;
  10349. }
  10350. /* Reset phy*/
  10351. bnx2x_cl45_write(bp, &phy,
  10352. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10353. /* Set fault module detected LED on */
  10354. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10355. MISC_REGISTERS_GPIO_HIGH,
  10356. port);
  10357. }
  10358. return 0;
  10359. }
  10360. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10361. u8 *io_gpio, u8 *io_port)
  10362. {
  10363. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10364. offsetof(struct shmem_region,
  10365. dev_info.port_hw_config[PORT_0].default_cfg));
  10366. switch (phy_gpio_reset) {
  10367. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10368. *io_gpio = 0;
  10369. *io_port = 0;
  10370. break;
  10371. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10372. *io_gpio = 1;
  10373. *io_port = 0;
  10374. break;
  10375. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10376. *io_gpio = 2;
  10377. *io_port = 0;
  10378. break;
  10379. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10380. *io_gpio = 3;
  10381. *io_port = 0;
  10382. break;
  10383. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10384. *io_gpio = 0;
  10385. *io_port = 1;
  10386. break;
  10387. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10388. *io_gpio = 1;
  10389. *io_port = 1;
  10390. break;
  10391. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10392. *io_gpio = 2;
  10393. *io_port = 1;
  10394. break;
  10395. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10396. *io_gpio = 3;
  10397. *io_port = 1;
  10398. break;
  10399. default:
  10400. /* Don't override the io_gpio and io_port */
  10401. break;
  10402. }
  10403. }
  10404. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10405. u32 shmem_base_path[],
  10406. u32 shmem2_base_path[], u8 phy_index,
  10407. u32 chip_id)
  10408. {
  10409. s8 port, reset_gpio;
  10410. u32 swap_val, swap_override;
  10411. struct bnx2x_phy phy[PORT_MAX];
  10412. struct bnx2x_phy *phy_blk[PORT_MAX];
  10413. s8 port_of_path;
  10414. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10415. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10416. reset_gpio = MISC_REGISTERS_GPIO_1;
  10417. port = 1;
  10418. /*
  10419. * Retrieve the reset gpio/port which control the reset.
  10420. * Default is GPIO1, PORT1
  10421. */
  10422. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10423. (u8 *)&reset_gpio, (u8 *)&port);
  10424. /* Calculate the port based on port swap */
  10425. port ^= (swap_val && swap_override);
  10426. /* Initiate PHY reset*/
  10427. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10428. port);
  10429. msleep(1);
  10430. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10431. port);
  10432. msleep(5);
  10433. /* PART1 - Reset both phys */
  10434. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10435. u32 shmem_base, shmem2_base;
  10436. /* In E2, same phy is using for port0 of the two paths */
  10437. if (CHIP_IS_E1x(bp)) {
  10438. shmem_base = shmem_base_path[0];
  10439. shmem2_base = shmem2_base_path[0];
  10440. port_of_path = port;
  10441. } else {
  10442. shmem_base = shmem_base_path[port];
  10443. shmem2_base = shmem2_base_path[port];
  10444. port_of_path = 0;
  10445. }
  10446. /* Extract the ext phy address for the port */
  10447. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10448. port_of_path, &phy[port]) !=
  10449. 0) {
  10450. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10451. return -EINVAL;
  10452. }
  10453. /* disable attentions */
  10454. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10455. port_of_path*4,
  10456. (NIG_MASK_XGXS0_LINK_STATUS |
  10457. NIG_MASK_XGXS0_LINK10G |
  10458. NIG_MASK_SERDES0_LINK_STATUS |
  10459. NIG_MASK_MI_INT));
  10460. /* Reset the phy */
  10461. bnx2x_cl45_write(bp, &phy[port],
  10462. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10463. }
  10464. /* Add delay of 150ms after reset */
  10465. msleep(150);
  10466. if (phy[PORT_0].addr & 0x1) {
  10467. phy_blk[PORT_0] = &(phy[PORT_1]);
  10468. phy_blk[PORT_1] = &(phy[PORT_0]);
  10469. } else {
  10470. phy_blk[PORT_0] = &(phy[PORT_0]);
  10471. phy_blk[PORT_1] = &(phy[PORT_1]);
  10472. }
  10473. /* PART2 - Download firmware to both phys */
  10474. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10475. if (CHIP_IS_E1x(bp))
  10476. port_of_path = port;
  10477. else
  10478. port_of_path = 0;
  10479. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10480. phy_blk[port]->addr);
  10481. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10482. port_of_path))
  10483. return -EINVAL;
  10484. }
  10485. return 0;
  10486. }
  10487. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10488. u32 shmem2_base_path[], u8 phy_index,
  10489. u32 ext_phy_type, u32 chip_id)
  10490. {
  10491. int rc = 0;
  10492. switch (ext_phy_type) {
  10493. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10494. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10495. shmem2_base_path,
  10496. phy_index, chip_id);
  10497. break;
  10498. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10499. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10500. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10501. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10502. shmem2_base_path,
  10503. phy_index, chip_id);
  10504. break;
  10505. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10506. /*
  10507. * GPIO1 affects both ports, so there's need to pull
  10508. * it for single port alone
  10509. */
  10510. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10511. shmem2_base_path,
  10512. phy_index, chip_id);
  10513. break;
  10514. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10515. /*
  10516. * GPIO3's are linked, and so both need to be toggled
  10517. * to obtain required 2us pulse.
  10518. */
  10519. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10520. break;
  10521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10522. rc = -EINVAL;
  10523. break;
  10524. default:
  10525. DP(NETIF_MSG_LINK,
  10526. "ext_phy 0x%x common init not required\n",
  10527. ext_phy_type);
  10528. break;
  10529. }
  10530. if (rc != 0)
  10531. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10532. " Port %d\n",
  10533. 0);
  10534. return rc;
  10535. }
  10536. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10537. u32 shmem2_base_path[], u32 chip_id)
  10538. {
  10539. int rc = 0;
  10540. u32 phy_ver, val;
  10541. u8 phy_index = 0;
  10542. u32 ext_phy_type, ext_phy_config;
  10543. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10544. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10545. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10546. if (CHIP_IS_E3(bp)) {
  10547. /* Enable EPIO */
  10548. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10549. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10550. }
  10551. /* Check if common init was already done */
  10552. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10553. offsetof(struct shmem_region,
  10554. port_mb[PORT_0].ext_phy_fw_version));
  10555. if (phy_ver) {
  10556. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10557. phy_ver);
  10558. return 0;
  10559. }
  10560. /* Read the ext_phy_type for arbitrary port(0) */
  10561. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10562. phy_index++) {
  10563. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10564. shmem_base_path[0],
  10565. phy_index, 0);
  10566. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10567. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10568. shmem2_base_path,
  10569. phy_index, ext_phy_type,
  10570. chip_id);
  10571. }
  10572. return rc;
  10573. }
  10574. static void bnx2x_check_over_curr(struct link_params *params,
  10575. struct link_vars *vars)
  10576. {
  10577. struct bnx2x *bp = params->bp;
  10578. u32 cfg_pin;
  10579. u8 port = params->port;
  10580. u32 pin_val;
  10581. cfg_pin = (REG_RD(bp, params->shmem_base +
  10582. offsetof(struct shmem_region,
  10583. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10584. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10585. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10586. /* Ignore check if no external input PIN available */
  10587. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10588. return;
  10589. if (!pin_val) {
  10590. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10591. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10592. " been detected and the power to "
  10593. "that SFP+ module has been removed"
  10594. " to prevent failure of the card."
  10595. " Please remove the SFP+ module and"
  10596. " restart the system to clear this"
  10597. " error.\n",
  10598. params->port);
  10599. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10600. }
  10601. } else
  10602. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10603. }
  10604. static void bnx2x_analyze_link_error(struct link_params *params,
  10605. struct link_vars *vars, u32 lss_status)
  10606. {
  10607. struct bnx2x *bp = params->bp;
  10608. /* Compare new value with previous value */
  10609. u8 led_mode;
  10610. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10611. /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
  10612. vars->link_up,
  10613. half_open_conn, lss_status);*/
  10614. if ((lss_status ^ half_open_conn) == 0)
  10615. return;
  10616. /* If values differ */
  10617. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10618. half_open_conn, lss_status);
  10619. /*
  10620. * a. Update shmem->link_status accordingly
  10621. * b. Update link_vars->link_up
  10622. */
  10623. if (lss_status) {
  10624. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10625. vars->link_up = 0;
  10626. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10627. /*
  10628. * Set LED mode to off since the PHY doesn't know about these
  10629. * errors
  10630. */
  10631. led_mode = LED_MODE_OFF;
  10632. } else {
  10633. vars->link_status |= LINK_STATUS_LINK_UP;
  10634. vars->link_up = 1;
  10635. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10636. led_mode = LED_MODE_OPER;
  10637. }
  10638. /* Update the LED according to the link state */
  10639. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10640. /* Update link status in the shared memory */
  10641. bnx2x_update_mng(params, vars->link_status);
  10642. /* C. Trigger General Attention */
  10643. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10644. bnx2x_notify_link_changed(bp);
  10645. }
  10646. static void bnx2x_check_half_open_conn(struct link_params *params,
  10647. struct link_vars *vars)
  10648. {
  10649. struct bnx2x *bp = params->bp;
  10650. u32 lss_status = 0;
  10651. u32 mac_base;
  10652. /* In case link status is physically up @ 10G do */
  10653. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10654. return;
  10655. if (!CHIP_IS_E3(bp) &&
  10656. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10657. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
  10658. /* Check E1X / E2 BMAC */
  10659. u32 lss_status_reg;
  10660. u32 wb_data[2];
  10661. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10662. NIG_REG_INGRESS_BMAC0_MEM;
  10663. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10664. if (CHIP_IS_E2(bp))
  10665. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10666. else
  10667. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10668. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10669. lss_status = (wb_data[0] > 0);
  10670. bnx2x_analyze_link_error(params, vars, lss_status);
  10671. }
  10672. }
  10673. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10674. {
  10675. struct bnx2x *bp = params->bp;
  10676. if (!params) {
  10677. DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
  10678. return;
  10679. }
  10680. /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
  10681. RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
  10682. REG_RD(bp, MISC_REG_RESET_REG_2)); */
  10683. bnx2x_check_half_open_conn(params, vars);
  10684. if (CHIP_IS_E3(bp))
  10685. bnx2x_check_over_curr(params, vars);
  10686. }
  10687. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10688. {
  10689. u8 phy_index;
  10690. struct bnx2x_phy phy;
  10691. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10692. phy_index++) {
  10693. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10694. 0, &phy) != 0) {
  10695. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10696. return 0;
  10697. }
  10698. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10699. return 1;
  10700. }
  10701. return 0;
  10702. }
  10703. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10704. u32 shmem_base,
  10705. u32 shmem2_base,
  10706. u8 port)
  10707. {
  10708. u8 phy_index, fan_failure_det_req = 0;
  10709. struct bnx2x_phy phy;
  10710. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10711. phy_index++) {
  10712. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10713. port, &phy)
  10714. != 0) {
  10715. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10716. return 0;
  10717. }
  10718. fan_failure_det_req |= (phy.flags &
  10719. FLAGS_FAN_FAILURE_DET_REQ);
  10720. }
  10721. return fan_failure_det_req;
  10722. }
  10723. void bnx2x_hw_reset_phy(struct link_params *params)
  10724. {
  10725. u8 phy_index;
  10726. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10727. phy_index++) {
  10728. if (params->phy[phy_index].hw_reset) {
  10729. params->phy[phy_index].hw_reset(
  10730. &params->phy[phy_index],
  10731. params);
  10732. params->phy[phy_index] = phy_null;
  10733. }
  10734. }
  10735. }
  10736. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  10737. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  10738. u8 port)
  10739. {
  10740. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  10741. u32 val;
  10742. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  10743. if (CHIP_IS_E3(bp)) {
  10744. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  10745. shmem_base,
  10746. port,
  10747. &gpio_num,
  10748. &gpio_port) != 0)
  10749. return;
  10750. } else {
  10751. struct bnx2x_phy phy;
  10752. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10753. phy_index++) {
  10754. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  10755. shmem2_base, port, &phy)
  10756. != 0) {
  10757. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10758. return;
  10759. }
  10760. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  10761. gpio_num = MISC_REGISTERS_GPIO_3;
  10762. gpio_port = port;
  10763. break;
  10764. }
  10765. }
  10766. }
  10767. if (gpio_num == 0xff)
  10768. return;
  10769. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  10770. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  10771. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10772. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10773. gpio_port ^= (swap_val && swap_override);
  10774. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  10775. (gpio_num + (gpio_port << 2));
  10776. sync_offset = shmem_base +
  10777. offsetof(struct shmem_region,
  10778. dev_info.port_hw_config[port].aeu_int_mask);
  10779. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  10780. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  10781. gpio_num, gpio_port, vars->aeu_int_mask);
  10782. if (port == 0)
  10783. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  10784. else
  10785. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  10786. /* Open appropriate AEU for interrupts */
  10787. aeu_mask = REG_RD(bp, offset);
  10788. aeu_mask |= vars->aeu_int_mask;
  10789. REG_WR(bp, offset, aeu_mask);
  10790. /* Enable the GPIO to trigger interrupt */
  10791. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10792. val |= 1 << (gpio_num + (gpio_port << 2));
  10793. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10794. }