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. udelay(30);
  1179. }
  1180. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  1181. u32 pfc_frames_sent[2],
  1182. u32 pfc_frames_received[2])
  1183. {
  1184. /* Read pfc statistic */
  1185. struct bnx2x *bp = params->bp;
  1186. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1187. NIG_REG_INGRESS_BMAC0_MEM;
  1188. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  1189. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  1190. pfc_frames_sent, 2);
  1191. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  1192. pfc_frames_received, 2);
  1193. }
  1194. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1195. u32 pfc_frames_sent[2],
  1196. u32 pfc_frames_received[2])
  1197. {
  1198. /* Read pfc statistic */
  1199. struct bnx2x *bp = params->bp;
  1200. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1201. u32 val_xon = 0;
  1202. u32 val_xoff = 0;
  1203. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1204. /* PFC received frames */
  1205. val_xoff = REG_RD(bp, emac_base +
  1206. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1207. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1208. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1209. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1210. pfc_frames_received[0] = val_xon + val_xoff;
  1211. /* PFC received sent */
  1212. val_xoff = REG_RD(bp, emac_base +
  1213. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1214. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1215. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1216. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1217. pfc_frames_sent[0] = val_xon + val_xoff;
  1218. }
  1219. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1220. u32 pfc_frames_sent[2],
  1221. u32 pfc_frames_received[2])
  1222. {
  1223. /* Read pfc statistic */
  1224. struct bnx2x *bp = params->bp;
  1225. u32 val = 0;
  1226. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1227. if (!vars->link_up)
  1228. return;
  1229. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1230. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1231. == 0) {
  1232. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  1233. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1234. pfc_frames_received);
  1235. } else {
  1236. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  1237. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  1238. pfc_frames_received);
  1239. }
  1240. }
  1241. /******************************************************************/
  1242. /* MAC/PBF section */
  1243. /******************************************************************/
  1244. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1245. {
  1246. u32 mode, emac_base;
  1247. /**
  1248. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1249. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1250. */
  1251. if (CHIP_IS_E2(bp))
  1252. emac_base = GRCBASE_EMAC0;
  1253. else
  1254. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1255. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1256. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1257. EMAC_MDIO_MODE_CLOCK_CNT);
  1258. if (USES_WARPCORE(bp))
  1259. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1260. else
  1261. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1262. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1263. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1264. udelay(40);
  1265. }
  1266. static void bnx2x_emac_init(struct link_params *params,
  1267. struct link_vars *vars)
  1268. {
  1269. /* reset and unreset the emac core */
  1270. struct bnx2x *bp = params->bp;
  1271. u8 port = params->port;
  1272. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1273. u32 val;
  1274. u16 timeout;
  1275. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1276. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1277. udelay(5);
  1278. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1279. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1280. /* init emac - use read-modify-write */
  1281. /* self clear reset */
  1282. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1283. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1284. timeout = 200;
  1285. do {
  1286. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1287. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1288. if (!timeout) {
  1289. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1290. return;
  1291. }
  1292. timeout--;
  1293. } while (val & EMAC_MODE_RESET);
  1294. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1295. /* Set mac address */
  1296. val = ((params->mac_addr[0] << 8) |
  1297. params->mac_addr[1]);
  1298. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1299. val = ((params->mac_addr[2] << 24) |
  1300. (params->mac_addr[3] << 16) |
  1301. (params->mac_addr[4] << 8) |
  1302. params->mac_addr[5]);
  1303. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1304. }
  1305. static void bnx2x_set_xumac_nig(struct link_params *params,
  1306. u16 tx_pause_en,
  1307. u8 enable)
  1308. {
  1309. struct bnx2x *bp = params->bp;
  1310. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1311. enable);
  1312. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1313. enable);
  1314. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1315. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1316. }
  1317. static void bnx2x_umac_enable(struct link_params *params,
  1318. struct link_vars *vars, u8 lb)
  1319. {
  1320. u32 val;
  1321. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1322. struct bnx2x *bp = params->bp;
  1323. /* Reset UMAC */
  1324. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1325. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1326. usleep_range(1000, 1000);
  1327. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1328. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1329. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1330. /**
  1331. * This register determines on which events the MAC will assert
  1332. * error on the i/f to the NIG along w/ EOP.
  1333. */
  1334. /**
  1335. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1336. * params->port*0x14, 0xfffff.
  1337. */
  1338. /* This register opens the gate for the UMAC despite its name */
  1339. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1340. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1341. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1342. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1343. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1344. switch (vars->line_speed) {
  1345. case SPEED_10:
  1346. val |= (0<<2);
  1347. break;
  1348. case SPEED_100:
  1349. val |= (1<<2);
  1350. break;
  1351. case SPEED_1000:
  1352. val |= (2<<2);
  1353. break;
  1354. case SPEED_2500:
  1355. val |= (3<<2);
  1356. break;
  1357. default:
  1358. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1359. vars->line_speed);
  1360. break;
  1361. }
  1362. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1363. udelay(50);
  1364. /* Enable RX and TX */
  1365. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1366. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1367. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1368. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1369. udelay(50);
  1370. /* Remove SW Reset */
  1371. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1372. /* Check loopback mode */
  1373. if (lb)
  1374. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1375. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1376. /*
  1377. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1378. * length used by the MAC receive logic to check frames.
  1379. */
  1380. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1381. bnx2x_set_xumac_nig(params,
  1382. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1383. vars->mac_type = MAC_TYPE_UMAC;
  1384. }
  1385. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1386. {
  1387. u32 port4mode_ovwr_val;
  1388. /* Check 4-port override enabled */
  1389. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1390. if (port4mode_ovwr_val & (1<<0)) {
  1391. /* Return 4-port mode override value */
  1392. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1393. }
  1394. /* Return 4-port mode from input pin */
  1395. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1396. }
  1397. /* Define the XMAC mode */
  1398. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1399. {
  1400. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1401. /**
  1402. * In 4-port mode, need to set the mode only once, so if XMAC is
  1403. * already out of reset, it means the mode has already been set,
  1404. * and it must not* reset the XMAC again, since it controls both
  1405. * ports of the path
  1406. **/
  1407. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1408. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1409. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1410. " in 4-port mode\n");
  1411. return;
  1412. }
  1413. /* Hard reset */
  1414. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1415. MISC_REGISTERS_RESET_REG_2_XMAC);
  1416. usleep_range(1000, 1000);
  1417. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1418. MISC_REGISTERS_RESET_REG_2_XMAC);
  1419. if (is_port4mode) {
  1420. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1421. /* Set the number of ports on the system side to up to 2 */
  1422. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1423. /* Set the number of ports on the Warp Core to 10G */
  1424. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1425. } else {
  1426. /* Set the number of ports on the system side to 1 */
  1427. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1428. if (max_speed == SPEED_10000) {
  1429. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1430. " port per path\n");
  1431. /* Set the number of ports on the Warp Core to 10G */
  1432. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1433. } else {
  1434. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1435. " per path\n");
  1436. /* Set the number of ports on the Warp Core to 20G */
  1437. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1438. }
  1439. }
  1440. /* Soft reset */
  1441. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1442. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1443. usleep_range(1000, 1000);
  1444. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1445. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1446. }
  1447. static void bnx2x_xmac_disable(struct link_params *params)
  1448. {
  1449. u8 port = params->port;
  1450. struct bnx2x *bp = params->bp;
  1451. u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1452. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1453. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1454. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1455. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1456. usleep_range(1000, 1000);
  1457. bnx2x_set_xumac_nig(params, 0, 0);
  1458. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1459. XMAC_CTRL_REG_SOFT_RESET);
  1460. }
  1461. }
  1462. static int bnx2x_xmac_enable(struct link_params *params,
  1463. struct link_vars *vars, u8 lb)
  1464. {
  1465. u32 val, xmac_base;
  1466. struct bnx2x *bp = params->bp;
  1467. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1468. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1469. bnx2x_xmac_init(bp, vars->line_speed);
  1470. /*
  1471. * This register determines on which events the MAC will assert
  1472. * error on the i/f to the NIG along w/ EOP.
  1473. */
  1474. /*
  1475. * This register tells the NIG whether to send traffic to UMAC
  1476. * or XMAC
  1477. */
  1478. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1479. /* Set Max packet size */
  1480. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1481. /* CRC append for Tx packets */
  1482. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1483. /* update PFC */
  1484. bnx2x_update_pfc_xmac(params, vars, 0);
  1485. /* Enable TX and RX */
  1486. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1487. /* Check loopback mode */
  1488. if (lb)
  1489. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1490. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1491. bnx2x_set_xumac_nig(params,
  1492. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1493. vars->mac_type = MAC_TYPE_XMAC;
  1494. return 0;
  1495. }
  1496. static int bnx2x_emac_enable(struct link_params *params,
  1497. struct link_vars *vars, u8 lb)
  1498. {
  1499. struct bnx2x *bp = params->bp;
  1500. u8 port = params->port;
  1501. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1502. u32 val;
  1503. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1504. /* enable emac and not bmac */
  1505. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1506. /* ASIC */
  1507. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1508. u32 ser_lane = ((params->lane_config &
  1509. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1510. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1511. DP(NETIF_MSG_LINK, "XGXS\n");
  1512. /* select the master lanes (out of 0-3) */
  1513. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1514. /* select XGXS */
  1515. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1516. } else { /* SerDes */
  1517. DP(NETIF_MSG_LINK, "SerDes\n");
  1518. /* select SerDes */
  1519. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1520. }
  1521. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1522. EMAC_RX_MODE_RESET);
  1523. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1524. EMAC_TX_MODE_RESET);
  1525. if (CHIP_REV_IS_SLOW(bp)) {
  1526. /* config GMII mode */
  1527. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1528. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1529. } else { /* ASIC */
  1530. /* pause enable/disable */
  1531. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1532. EMAC_RX_MODE_FLOW_EN);
  1533. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1534. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1535. EMAC_TX_MODE_FLOW_EN));
  1536. if (!(params->feature_config_flags &
  1537. FEATURE_CONFIG_PFC_ENABLED)) {
  1538. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1539. bnx2x_bits_en(bp, emac_base +
  1540. EMAC_REG_EMAC_RX_MODE,
  1541. EMAC_RX_MODE_FLOW_EN);
  1542. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1543. bnx2x_bits_en(bp, emac_base +
  1544. EMAC_REG_EMAC_TX_MODE,
  1545. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1546. EMAC_TX_MODE_FLOW_EN));
  1547. } else
  1548. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1549. EMAC_TX_MODE_FLOW_EN);
  1550. }
  1551. /* KEEP_VLAN_TAG, promiscuous */
  1552. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1553. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1554. /*
  1555. * Setting this bit causes MAC control frames (except for pause
  1556. * frames) to be passed on for processing. This setting has no
  1557. * affect on the operation of the pause frames. This bit effects
  1558. * all packets regardless of RX Parser packet sorting logic.
  1559. * Turn the PFC off to make sure we are in Xon state before
  1560. * enabling it.
  1561. */
  1562. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1563. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1564. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1565. /* Enable PFC again */
  1566. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1567. EMAC_REG_RX_PFC_MODE_RX_EN |
  1568. EMAC_REG_RX_PFC_MODE_TX_EN |
  1569. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1570. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1571. ((0x0101 <<
  1572. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1573. (0x00ff <<
  1574. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1575. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1576. }
  1577. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1578. /* Set Loopback */
  1579. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1580. if (lb)
  1581. val |= 0x810;
  1582. else
  1583. val &= ~0x810;
  1584. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1585. /* enable emac */
  1586. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1587. /* enable emac for jumbo packets */
  1588. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1589. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1590. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1591. /* strip CRC */
  1592. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1593. /* disable the NIG in/out to the bmac */
  1594. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1595. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1596. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1597. /* enable the NIG in/out to the emac */
  1598. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1599. val = 0;
  1600. if ((params->feature_config_flags &
  1601. FEATURE_CONFIG_PFC_ENABLED) ||
  1602. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1603. val = 1;
  1604. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1605. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1606. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1607. vars->mac_type = MAC_TYPE_EMAC;
  1608. return 0;
  1609. }
  1610. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1611. struct link_vars *vars)
  1612. {
  1613. u32 wb_data[2];
  1614. struct bnx2x *bp = params->bp;
  1615. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1616. NIG_REG_INGRESS_BMAC0_MEM;
  1617. u32 val = 0x14;
  1618. if ((!(params->feature_config_flags &
  1619. FEATURE_CONFIG_PFC_ENABLED)) &&
  1620. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1621. /* Enable BigMAC to react on received Pause packets */
  1622. val |= (1<<5);
  1623. wb_data[0] = val;
  1624. wb_data[1] = 0;
  1625. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1626. /* tx control */
  1627. val = 0xc0;
  1628. if (!(params->feature_config_flags &
  1629. FEATURE_CONFIG_PFC_ENABLED) &&
  1630. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1631. val |= 0x800000;
  1632. wb_data[0] = val;
  1633. wb_data[1] = 0;
  1634. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1635. }
  1636. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1637. struct link_vars *vars,
  1638. u8 is_lb)
  1639. {
  1640. /*
  1641. * Set rx control: Strip CRC and enable BigMAC to relay
  1642. * control packets to the system as well
  1643. */
  1644. u32 wb_data[2];
  1645. struct bnx2x *bp = params->bp;
  1646. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1647. NIG_REG_INGRESS_BMAC0_MEM;
  1648. u32 val = 0x14;
  1649. if ((!(params->feature_config_flags &
  1650. FEATURE_CONFIG_PFC_ENABLED)) &&
  1651. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1652. /* Enable BigMAC to react on received Pause packets */
  1653. val |= (1<<5);
  1654. wb_data[0] = val;
  1655. wb_data[1] = 0;
  1656. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1657. udelay(30);
  1658. /* Tx control */
  1659. val = 0xc0;
  1660. if (!(params->feature_config_flags &
  1661. FEATURE_CONFIG_PFC_ENABLED) &&
  1662. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1663. val |= 0x800000;
  1664. wb_data[0] = val;
  1665. wb_data[1] = 0;
  1666. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1667. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1668. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1669. /* Enable PFC RX & TX & STATS and set 8 COS */
  1670. wb_data[0] = 0x0;
  1671. wb_data[0] |= (1<<0); /* RX */
  1672. wb_data[0] |= (1<<1); /* TX */
  1673. wb_data[0] |= (1<<2); /* Force initial Xon */
  1674. wb_data[0] |= (1<<3); /* 8 cos */
  1675. wb_data[0] |= (1<<5); /* STATS */
  1676. wb_data[1] = 0;
  1677. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1678. wb_data, 2);
  1679. /* Clear the force Xon */
  1680. wb_data[0] &= ~(1<<2);
  1681. } else {
  1682. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1683. /* disable PFC RX & TX & STATS and set 8 COS */
  1684. wb_data[0] = 0x8;
  1685. wb_data[1] = 0;
  1686. }
  1687. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1688. /*
  1689. * Set Time (based unit is 512 bit time) between automatic
  1690. * re-sending of PP packets amd enable automatic re-send of
  1691. * Per-Priroity Packet as long as pp_gen is asserted and
  1692. * pp_disable is low.
  1693. */
  1694. val = 0x8000;
  1695. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1696. val |= (1<<16); /* enable automatic re-send */
  1697. wb_data[0] = val;
  1698. wb_data[1] = 0;
  1699. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1700. wb_data, 2);
  1701. /* mac control */
  1702. val = 0x3; /* Enable RX and TX */
  1703. if (is_lb) {
  1704. val |= 0x4; /* Local loopback */
  1705. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1706. }
  1707. /* When PFC enabled, Pass pause frames towards the NIG. */
  1708. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1709. val |= ((1<<6)|(1<<5));
  1710. wb_data[0] = val;
  1711. wb_data[1] = 0;
  1712. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1713. }
  1714. /* PFC BRB internal port configuration params */
  1715. struct bnx2x_pfc_brb_threshold_val {
  1716. u32 pause_xoff;
  1717. u32 pause_xon;
  1718. u32 full_xoff;
  1719. u32 full_xon;
  1720. };
  1721. struct bnx2x_pfc_brb_e3b0_val {
  1722. u32 full_lb_xoff_th;
  1723. u32 full_lb_xon_threshold;
  1724. u32 lb_guarantied;
  1725. u32 mac_0_class_t_guarantied;
  1726. u32 mac_0_class_t_guarantied_hyst;
  1727. u32 mac_1_class_t_guarantied;
  1728. u32 mac_1_class_t_guarantied_hyst;
  1729. };
  1730. struct bnx2x_pfc_brb_th_val {
  1731. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1732. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1733. };
  1734. static int bnx2x_pfc_brb_get_config_params(
  1735. struct link_params *params,
  1736. struct bnx2x_pfc_brb_th_val *config_val)
  1737. {
  1738. struct bnx2x *bp = params->bp;
  1739. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1740. if (CHIP_IS_E2(bp)) {
  1741. config_val->pauseable_th.pause_xoff =
  1742. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1743. config_val->pauseable_th.pause_xon =
  1744. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1745. config_val->pauseable_th.full_xoff =
  1746. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1747. config_val->pauseable_th.full_xon =
  1748. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1749. /* non pause able*/
  1750. config_val->non_pauseable_th.pause_xoff =
  1751. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1752. config_val->non_pauseable_th.pause_xon =
  1753. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1754. config_val->non_pauseable_th.full_xoff =
  1755. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1756. config_val->non_pauseable_th.full_xon =
  1757. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1758. } else if (CHIP_IS_E3A0(bp)) {
  1759. config_val->pauseable_th.pause_xoff =
  1760. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1761. config_val->pauseable_th.pause_xon =
  1762. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1763. config_val->pauseable_th.full_xoff =
  1764. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1765. config_val->pauseable_th.full_xon =
  1766. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1767. /* non pause able*/
  1768. config_val->non_pauseable_th.pause_xoff =
  1769. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1770. config_val->non_pauseable_th.pause_xon =
  1771. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1772. config_val->non_pauseable_th.full_xoff =
  1773. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1774. config_val->non_pauseable_th.full_xon =
  1775. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1776. } else if (CHIP_IS_E3B0(bp)) {
  1777. if (params->phy[INT_PHY].flags &
  1778. FLAGS_4_PORT_MODE) {
  1779. config_val->pauseable_th.pause_xoff =
  1780. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1781. config_val->pauseable_th.pause_xon =
  1782. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1783. config_val->pauseable_th.full_xoff =
  1784. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1785. config_val->pauseable_th.full_xon =
  1786. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1787. /* non pause able*/
  1788. config_val->non_pauseable_th.pause_xoff =
  1789. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1790. config_val->non_pauseable_th.pause_xon =
  1791. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.full_xoff =
  1793. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1794. config_val->non_pauseable_th.full_xon =
  1795. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1796. } else {
  1797. config_val->pauseable_th.pause_xoff =
  1798. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1799. config_val->pauseable_th.pause_xon =
  1800. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1801. config_val->pauseable_th.full_xoff =
  1802. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1803. config_val->pauseable_th.full_xon =
  1804. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1805. /* non pause able*/
  1806. config_val->non_pauseable_th.pause_xoff =
  1807. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1808. config_val->non_pauseable_th.pause_xon =
  1809. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1810. config_val->non_pauseable_th.full_xoff =
  1811. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1812. config_val->non_pauseable_th.full_xon =
  1813. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1814. }
  1815. } else
  1816. return -EINVAL;
  1817. return 0;
  1818. }
  1819. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1820. struct bnx2x_pfc_brb_e3b0_val
  1821. *e3b0_val,
  1822. u32 cos0_pauseable,
  1823. u32 cos1_pauseable)
  1824. {
  1825. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1826. e3b0_val->full_lb_xoff_th =
  1827. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1828. e3b0_val->full_lb_xon_threshold =
  1829. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1830. e3b0_val->lb_guarantied =
  1831. PFC_E3B0_4P_LB_GUART;
  1832. e3b0_val->mac_0_class_t_guarantied =
  1833. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1834. e3b0_val->mac_0_class_t_guarantied_hyst =
  1835. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1836. e3b0_val->mac_1_class_t_guarantied =
  1837. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1838. e3b0_val->mac_1_class_t_guarantied_hyst =
  1839. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1840. } else {
  1841. e3b0_val->full_lb_xoff_th =
  1842. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1843. e3b0_val->full_lb_xon_threshold =
  1844. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1845. e3b0_val->mac_0_class_t_guarantied_hyst =
  1846. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1847. e3b0_val->mac_1_class_t_guarantied =
  1848. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1849. e3b0_val->mac_1_class_t_guarantied_hyst =
  1850. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1851. if (cos0_pauseable != cos1_pauseable) {
  1852. /* nonpauseable= Lossy + pauseable = Lossless*/
  1853. e3b0_val->lb_guarantied =
  1854. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1855. e3b0_val->mac_0_class_t_guarantied =
  1856. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1857. } else if (cos0_pauseable) {
  1858. /* Lossless +Lossless*/
  1859. e3b0_val->lb_guarantied =
  1860. PFC_E3B0_2P_PAUSE_LB_GUART;
  1861. e3b0_val->mac_0_class_t_guarantied =
  1862. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1863. } else {
  1864. /* Lossy +Lossy*/
  1865. e3b0_val->lb_guarantied =
  1866. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1867. e3b0_val->mac_0_class_t_guarantied =
  1868. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1869. }
  1870. }
  1871. }
  1872. static int bnx2x_update_pfc_brb(struct link_params *params,
  1873. struct link_vars *vars,
  1874. struct bnx2x_nig_brb_pfc_port_params
  1875. *pfc_params)
  1876. {
  1877. struct bnx2x *bp = params->bp;
  1878. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1879. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1880. &config_val.pauseable_th;
  1881. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1882. int set_pfc = params->feature_config_flags &
  1883. FEATURE_CONFIG_PFC_ENABLED;
  1884. int bnx2x_status = 0;
  1885. u8 port = params->port;
  1886. /* default - pause configuration */
  1887. reg_th_config = &config_val.pauseable_th;
  1888. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1889. if (0 != bnx2x_status)
  1890. return bnx2x_status;
  1891. if (set_pfc && pfc_params)
  1892. /* First COS */
  1893. if (!pfc_params->cos0_pauseable)
  1894. reg_th_config = &config_val.non_pauseable_th;
  1895. /*
  1896. * The number of free blocks below which the pause signal to class 0
  1897. * of MAC #n is asserted. n=0,1
  1898. */
  1899. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1900. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1901. reg_th_config->pause_xoff);
  1902. /*
  1903. * The number of free blocks above which the pause signal to class 0
  1904. * of MAC #n is de-asserted. n=0,1
  1905. */
  1906. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1907. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1908. /*
  1909. * The number of free blocks below which the full signal to class 0
  1910. * of MAC #n is asserted. n=0,1
  1911. */
  1912. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1913. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1914. /*
  1915. * The number of free blocks above which the full signal to class 0
  1916. * of MAC #n is de-asserted. n=0,1
  1917. */
  1918. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1919. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1920. if (set_pfc && pfc_params) {
  1921. /* Second COS */
  1922. if (pfc_params->cos1_pauseable)
  1923. reg_th_config = &config_val.pauseable_th;
  1924. else
  1925. reg_th_config = &config_val.non_pauseable_th;
  1926. /*
  1927. * The number of free blocks below which the pause signal to
  1928. * class 1 of MAC #n is asserted. n=0,1
  1929. **/
  1930. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1931. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1932. reg_th_config->pause_xoff);
  1933. /*
  1934. * The number of free blocks above which the pause signal to
  1935. * class 1 of MAC #n is de-asserted. n=0,1
  1936. */
  1937. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1938. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1939. reg_th_config->pause_xon);
  1940. /*
  1941. * The number of free blocks below which the full signal to
  1942. * class 1 of MAC #n is asserted. n=0,1
  1943. */
  1944. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1945. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1946. reg_th_config->full_xoff);
  1947. /*
  1948. * The number of free blocks above which the full signal to
  1949. * class 1 of MAC #n is de-asserted. n=0,1
  1950. */
  1951. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1952. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1953. reg_th_config->full_xon);
  1954. if (CHIP_IS_E3B0(bp)) {
  1955. /*Should be done by init tool */
  1956. /*
  1957. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1958. * reset value
  1959. * 944
  1960. */
  1961. /**
  1962. * The hysteresis on the guarantied buffer space for the Lb port
  1963. * before signaling XON.
  1964. **/
  1965. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1966. bnx2x_pfc_brb_get_e3b0_config_params(
  1967. params,
  1968. &e3b0_val,
  1969. pfc_params->cos0_pauseable,
  1970. pfc_params->cos1_pauseable);
  1971. /**
  1972. * The number of free blocks below which the full signal to the
  1973. * LB port is asserted.
  1974. */
  1975. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1976. e3b0_val.full_lb_xoff_th);
  1977. /**
  1978. * The number of free blocks above which the full signal to the
  1979. * LB port is de-asserted.
  1980. */
  1981. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1982. e3b0_val.full_lb_xon_threshold);
  1983. /**
  1984. * The number of blocks guarantied for the MAC #n port. n=0,1
  1985. */
  1986. /*The number of blocks guarantied for the LB port.*/
  1987. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  1988. e3b0_val.lb_guarantied);
  1989. /**
  1990. * The number of blocks guarantied for the MAC #n port.
  1991. */
  1992. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  1993. 2 * e3b0_val.mac_0_class_t_guarantied);
  1994. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  1995. 2 * e3b0_val.mac_1_class_t_guarantied);
  1996. /**
  1997. * The number of blocks guarantied for class #t in MAC0. t=0,1
  1998. */
  1999. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2000. e3b0_val.mac_0_class_t_guarantied);
  2001. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2002. e3b0_val.mac_0_class_t_guarantied);
  2003. /**
  2004. * The hysteresis on the guarantied buffer space for class in
  2005. * MAC0. t=0,1
  2006. */
  2007. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2008. e3b0_val.mac_0_class_t_guarantied_hyst);
  2009. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2010. e3b0_val.mac_0_class_t_guarantied_hyst);
  2011. /**
  2012. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2013. */
  2014. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2015. e3b0_val.mac_1_class_t_guarantied);
  2016. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2017. e3b0_val.mac_1_class_t_guarantied);
  2018. /**
  2019. * The hysteresis on the guarantied buffer space for class #t
  2020. * in MAC1. t=0,1
  2021. */
  2022. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2023. e3b0_val.mac_1_class_t_guarantied_hyst);
  2024. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2025. e3b0_val.mac_1_class_t_guarantied_hyst);
  2026. }
  2027. }
  2028. return bnx2x_status;
  2029. }
  2030. /******************************************************************************
  2031. * Description:
  2032. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2033. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2034. ******************************************************************************/
  2035. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2036. u8 cos_entry,
  2037. u32 priority_mask, u8 port)
  2038. {
  2039. u32 nig_reg_rx_priority_mask_add = 0;
  2040. switch (cos_entry) {
  2041. case 0:
  2042. nig_reg_rx_priority_mask_add = (port) ?
  2043. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2044. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2045. break;
  2046. case 1:
  2047. nig_reg_rx_priority_mask_add = (port) ?
  2048. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2049. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2050. break;
  2051. case 2:
  2052. nig_reg_rx_priority_mask_add = (port) ?
  2053. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2054. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2055. break;
  2056. case 3:
  2057. if (port)
  2058. return -EINVAL;
  2059. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2060. break;
  2061. case 4:
  2062. if (port)
  2063. return -EINVAL;
  2064. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2065. break;
  2066. case 5:
  2067. if (port)
  2068. return -EINVAL;
  2069. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2070. break;
  2071. }
  2072. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2073. return 0;
  2074. }
  2075. static void bnx2x_update_pfc_nig(struct link_params *params,
  2076. struct link_vars *vars,
  2077. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2078. {
  2079. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2080. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2081. u32 pkt_priority_to_cos = 0;
  2082. struct bnx2x *bp = params->bp;
  2083. u8 port = params->port;
  2084. int set_pfc = params->feature_config_flags &
  2085. FEATURE_CONFIG_PFC_ENABLED;
  2086. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2087. /*
  2088. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2089. * MAC control frames (that are not pause packets)
  2090. * will be forwarded to the XCM.
  2091. */
  2092. xcm_mask = REG_RD(bp,
  2093. port ? NIG_REG_LLH1_XCM_MASK :
  2094. NIG_REG_LLH0_XCM_MASK);
  2095. /*
  2096. * nig params will override non PFC params, since it's possible to
  2097. * do transition from PFC to SAFC
  2098. */
  2099. if (set_pfc) {
  2100. pause_enable = 0;
  2101. llfc_out_en = 0;
  2102. llfc_enable = 0;
  2103. if (CHIP_IS_E3(bp))
  2104. ppp_enable = 0;
  2105. else
  2106. ppp_enable = 1;
  2107. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2108. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2109. xcm0_out_en = 0;
  2110. p0_hwpfc_enable = 1;
  2111. } else {
  2112. if (nig_params) {
  2113. llfc_out_en = nig_params->llfc_out_en;
  2114. llfc_enable = nig_params->llfc_enable;
  2115. pause_enable = nig_params->pause_enable;
  2116. } else /*defaul non PFC mode - PAUSE */
  2117. pause_enable = 1;
  2118. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2119. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2120. xcm0_out_en = 1;
  2121. }
  2122. if (CHIP_IS_E3(bp))
  2123. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2124. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2125. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2126. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2127. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2128. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2129. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2130. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2131. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2132. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2133. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2134. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2135. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2136. /* output enable for RX_XCM # IF */
  2137. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2138. /* HW PFC TX enable */
  2139. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2140. if (nig_params) {
  2141. u8 i = 0;
  2142. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2143. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2144. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2145. nig_params->rx_cos_priority_mask[i], port);
  2146. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2147. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2148. nig_params->llfc_high_priority_classes);
  2149. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2150. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2151. nig_params->llfc_low_priority_classes);
  2152. }
  2153. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2154. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2155. pkt_priority_to_cos);
  2156. }
  2157. int bnx2x_update_pfc(struct link_params *params,
  2158. struct link_vars *vars,
  2159. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2160. {
  2161. /*
  2162. * The PFC and pause are orthogonal to one another, meaning when
  2163. * PFC is enabled, the pause are disabled, and when PFC is
  2164. * disabled, pause are set according to the pause result.
  2165. */
  2166. u32 val;
  2167. struct bnx2x *bp = params->bp;
  2168. int bnx2x_status = 0;
  2169. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2170. /* update NIG params */
  2171. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2172. /* update BRB params */
  2173. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2174. if (0 != bnx2x_status)
  2175. return bnx2x_status;
  2176. if (!vars->link_up)
  2177. return bnx2x_status;
  2178. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2179. if (CHIP_IS_E3(bp))
  2180. bnx2x_update_pfc_xmac(params, vars, 0);
  2181. else {
  2182. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2183. if ((val &
  2184. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2185. == 0) {
  2186. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2187. bnx2x_emac_enable(params, vars, 0);
  2188. return bnx2x_status;
  2189. }
  2190. if (CHIP_IS_E2(bp))
  2191. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2192. else
  2193. bnx2x_update_pfc_bmac1(params, vars);
  2194. val = 0;
  2195. if ((params->feature_config_flags &
  2196. FEATURE_CONFIG_PFC_ENABLED) ||
  2197. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2198. val = 1;
  2199. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2200. }
  2201. return bnx2x_status;
  2202. }
  2203. static int bnx2x_bmac1_enable(struct link_params *params,
  2204. struct link_vars *vars,
  2205. u8 is_lb)
  2206. {
  2207. struct bnx2x *bp = params->bp;
  2208. u8 port = params->port;
  2209. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2210. NIG_REG_INGRESS_BMAC0_MEM;
  2211. u32 wb_data[2];
  2212. u32 val;
  2213. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2214. /* XGXS control */
  2215. wb_data[0] = 0x3c;
  2216. wb_data[1] = 0;
  2217. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2218. wb_data, 2);
  2219. /* tx MAC SA */
  2220. wb_data[0] = ((params->mac_addr[2] << 24) |
  2221. (params->mac_addr[3] << 16) |
  2222. (params->mac_addr[4] << 8) |
  2223. params->mac_addr[5]);
  2224. wb_data[1] = ((params->mac_addr[0] << 8) |
  2225. params->mac_addr[1]);
  2226. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2227. /* mac control */
  2228. val = 0x3;
  2229. if (is_lb) {
  2230. val |= 0x4;
  2231. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2232. }
  2233. wb_data[0] = val;
  2234. wb_data[1] = 0;
  2235. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2236. /* set rx mtu */
  2237. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2238. wb_data[1] = 0;
  2239. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2240. bnx2x_update_pfc_bmac1(params, vars);
  2241. /* set tx mtu */
  2242. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2243. wb_data[1] = 0;
  2244. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2245. /* set cnt max size */
  2246. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2247. wb_data[1] = 0;
  2248. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2249. /* configure safc */
  2250. wb_data[0] = 0x1000200;
  2251. wb_data[1] = 0;
  2252. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2253. wb_data, 2);
  2254. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2255. REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
  2256. wb_data, 2);
  2257. if (wb_data[0] > 0)
  2258. return -ESRCH;
  2259. }
  2260. return 0;
  2261. }
  2262. static int bnx2x_bmac2_enable(struct link_params *params,
  2263. struct link_vars *vars,
  2264. u8 is_lb)
  2265. {
  2266. struct bnx2x *bp = params->bp;
  2267. u8 port = params->port;
  2268. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2269. NIG_REG_INGRESS_BMAC0_MEM;
  2270. u32 wb_data[2];
  2271. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2272. wb_data[0] = 0;
  2273. wb_data[1] = 0;
  2274. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2275. udelay(30);
  2276. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2277. wb_data[0] = 0x3c;
  2278. wb_data[1] = 0;
  2279. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2280. wb_data, 2);
  2281. udelay(30);
  2282. /* tx MAC SA */
  2283. wb_data[0] = ((params->mac_addr[2] << 24) |
  2284. (params->mac_addr[3] << 16) |
  2285. (params->mac_addr[4] << 8) |
  2286. params->mac_addr[5]);
  2287. wb_data[1] = ((params->mac_addr[0] << 8) |
  2288. params->mac_addr[1]);
  2289. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2290. wb_data, 2);
  2291. udelay(30);
  2292. /* Configure SAFC */
  2293. wb_data[0] = 0x1000200;
  2294. wb_data[1] = 0;
  2295. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2296. wb_data, 2);
  2297. udelay(30);
  2298. /* set rx mtu */
  2299. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2300. wb_data[1] = 0;
  2301. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2302. udelay(30);
  2303. /* set tx mtu */
  2304. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2305. wb_data[1] = 0;
  2306. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2307. udelay(30);
  2308. /* set cnt max size */
  2309. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2310. wb_data[1] = 0;
  2311. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2312. udelay(30);
  2313. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2314. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2315. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
  2316. wb_data, 2);
  2317. if (wb_data[0] > 0) {
  2318. DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
  2319. wb_data[0]);
  2320. return -ESRCH;
  2321. }
  2322. }
  2323. return 0;
  2324. }
  2325. static int bnx2x_bmac_enable(struct link_params *params,
  2326. struct link_vars *vars,
  2327. u8 is_lb)
  2328. {
  2329. int rc = 0;
  2330. u8 port = params->port;
  2331. struct bnx2x *bp = params->bp;
  2332. u32 val;
  2333. /* reset and unreset the BigMac */
  2334. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2335. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2336. msleep(1);
  2337. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2338. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2339. /* enable access for bmac registers */
  2340. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2341. /* Enable BMAC according to BMAC type*/
  2342. if (CHIP_IS_E2(bp))
  2343. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2344. else
  2345. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2346. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2347. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2348. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2349. val = 0;
  2350. if ((params->feature_config_flags &
  2351. FEATURE_CONFIG_PFC_ENABLED) ||
  2352. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2353. val = 1;
  2354. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2355. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2356. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2357. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2358. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2359. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2360. vars->mac_type = MAC_TYPE_BMAC;
  2361. return rc;
  2362. }
  2363. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2364. {
  2365. struct bnx2x *bp = params->bp;
  2366. REG_WR(bp, params->shmem_base +
  2367. offsetof(struct shmem_region,
  2368. port_mb[params->port].link_status), link_status);
  2369. }
  2370. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2371. {
  2372. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2373. NIG_REG_INGRESS_BMAC0_MEM;
  2374. u32 wb_data[2];
  2375. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2376. /* Only if the bmac is out of reset */
  2377. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2378. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2379. nig_bmac_enable) {
  2380. if (CHIP_IS_E2(bp)) {
  2381. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2382. REG_RD_DMAE(bp, bmac_addr +
  2383. BIGMAC2_REGISTER_BMAC_CONTROL,
  2384. wb_data, 2);
  2385. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2386. REG_WR_DMAE(bp, bmac_addr +
  2387. BIGMAC2_REGISTER_BMAC_CONTROL,
  2388. wb_data, 2);
  2389. } else {
  2390. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2391. REG_RD_DMAE(bp, bmac_addr +
  2392. BIGMAC_REGISTER_BMAC_CONTROL,
  2393. wb_data, 2);
  2394. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2395. REG_WR_DMAE(bp, bmac_addr +
  2396. BIGMAC_REGISTER_BMAC_CONTROL,
  2397. wb_data, 2);
  2398. }
  2399. msleep(1);
  2400. }
  2401. }
  2402. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2403. u32 line_speed)
  2404. {
  2405. struct bnx2x *bp = params->bp;
  2406. u8 port = params->port;
  2407. u32 init_crd, crd;
  2408. u32 count = 1000;
  2409. /* disable port */
  2410. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2411. /* wait for init credit */
  2412. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2413. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2414. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2415. while ((init_crd != crd) && count) {
  2416. msleep(5);
  2417. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2418. count--;
  2419. }
  2420. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2421. if (init_crd != crd) {
  2422. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2423. init_crd, crd);
  2424. return -EINVAL;
  2425. }
  2426. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2427. line_speed == SPEED_10 ||
  2428. line_speed == SPEED_100 ||
  2429. line_speed == SPEED_1000 ||
  2430. line_speed == SPEED_2500) {
  2431. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2432. /* update threshold */
  2433. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2434. /* update init credit */
  2435. init_crd = 778; /* (800-18-4) */
  2436. } else {
  2437. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2438. ETH_OVREHEAD)/16;
  2439. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2440. /* update threshold */
  2441. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2442. /* update init credit */
  2443. switch (line_speed) {
  2444. case SPEED_10000:
  2445. init_crd = thresh + 553 - 22;
  2446. break;
  2447. default:
  2448. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2449. line_speed);
  2450. return -EINVAL;
  2451. }
  2452. }
  2453. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2454. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2455. line_speed, init_crd);
  2456. /* probe the credit changes */
  2457. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2458. msleep(5);
  2459. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2460. /* enable port */
  2461. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2462. return 0;
  2463. }
  2464. /**
  2465. * bnx2x_get_emac_base - retrive emac base address
  2466. *
  2467. * @bp: driver handle
  2468. * @mdc_mdio_access: access type
  2469. * @port: port id
  2470. *
  2471. * This function selects the MDC/MDIO access (through emac0 or
  2472. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2473. * phy has a default access mode, which could also be overridden
  2474. * by nvram configuration. This parameter, whether this is the
  2475. * default phy configuration, or the nvram overrun
  2476. * configuration, is passed here as mdc_mdio_access and selects
  2477. * the emac_base for the CL45 read/writes operations
  2478. */
  2479. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2480. u32 mdc_mdio_access, u8 port)
  2481. {
  2482. u32 emac_base = 0;
  2483. switch (mdc_mdio_access) {
  2484. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2485. break;
  2486. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2487. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2488. emac_base = GRCBASE_EMAC1;
  2489. else
  2490. emac_base = GRCBASE_EMAC0;
  2491. break;
  2492. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2493. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2494. emac_base = GRCBASE_EMAC0;
  2495. else
  2496. emac_base = GRCBASE_EMAC1;
  2497. break;
  2498. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2499. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2500. break;
  2501. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2502. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2503. break;
  2504. default:
  2505. break;
  2506. }
  2507. return emac_base;
  2508. }
  2509. /******************************************************************/
  2510. /* CL22 access functions */
  2511. /******************************************************************/
  2512. static int bnx2x_cl22_write(struct bnx2x *bp,
  2513. struct bnx2x_phy *phy,
  2514. u16 reg, u16 val)
  2515. {
  2516. u32 tmp, mode;
  2517. u8 i;
  2518. int rc = 0;
  2519. /* Switch to CL22 */
  2520. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2521. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2522. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2523. /* address */
  2524. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2525. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2526. EMAC_MDIO_COMM_START_BUSY);
  2527. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2528. for (i = 0; i < 50; i++) {
  2529. udelay(10);
  2530. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2531. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2532. udelay(5);
  2533. break;
  2534. }
  2535. }
  2536. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2537. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2538. rc = -EFAULT;
  2539. }
  2540. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2541. return rc;
  2542. }
  2543. static int bnx2x_cl22_read(struct bnx2x *bp,
  2544. struct bnx2x_phy *phy,
  2545. u16 reg, u16 *ret_val)
  2546. {
  2547. u32 val, mode;
  2548. u16 i;
  2549. int rc = 0;
  2550. /* Switch to CL22 */
  2551. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2552. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2553. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2554. /* address */
  2555. val = ((phy->addr << 21) | (reg << 16) |
  2556. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2557. EMAC_MDIO_COMM_START_BUSY);
  2558. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2559. for (i = 0; i < 50; i++) {
  2560. udelay(10);
  2561. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2562. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2563. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2564. udelay(5);
  2565. break;
  2566. }
  2567. }
  2568. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2569. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2570. *ret_val = 0;
  2571. rc = -EFAULT;
  2572. }
  2573. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2574. return rc;
  2575. }
  2576. /******************************************************************/
  2577. /* CL45 access functions */
  2578. /******************************************************************/
  2579. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2580. u8 devad, u16 reg, u16 *ret_val)
  2581. {
  2582. u32 val;
  2583. u16 i;
  2584. int rc = 0;
  2585. /* address */
  2586. val = ((phy->addr << 21) | (devad << 16) | reg |
  2587. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2588. EMAC_MDIO_COMM_START_BUSY);
  2589. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2590. for (i = 0; i < 50; i++) {
  2591. udelay(10);
  2592. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2593. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2594. udelay(5);
  2595. break;
  2596. }
  2597. }
  2598. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2599. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2600. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2601. *ret_val = 0;
  2602. rc = -EFAULT;
  2603. } else {
  2604. /* data */
  2605. val = ((phy->addr << 21) | (devad << 16) |
  2606. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2607. EMAC_MDIO_COMM_START_BUSY);
  2608. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2609. for (i = 0; i < 50; i++) {
  2610. udelay(10);
  2611. val = REG_RD(bp, phy->mdio_ctrl +
  2612. EMAC_REG_EMAC_MDIO_COMM);
  2613. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2614. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2615. break;
  2616. }
  2617. }
  2618. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2619. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2620. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2621. *ret_val = 0;
  2622. rc = -EFAULT;
  2623. }
  2624. }
  2625. /* Work around for E3 A0 */
  2626. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2627. phy->flags ^= FLAGS_DUMMY_READ;
  2628. if (phy->flags & FLAGS_DUMMY_READ) {
  2629. u16 temp_val;
  2630. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2631. }
  2632. }
  2633. return rc;
  2634. }
  2635. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2636. u8 devad, u16 reg, u16 val)
  2637. {
  2638. u32 tmp;
  2639. u8 i;
  2640. int rc = 0;
  2641. /* address */
  2642. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2643. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2644. EMAC_MDIO_COMM_START_BUSY);
  2645. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2646. for (i = 0; i < 50; i++) {
  2647. udelay(10);
  2648. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2649. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2650. udelay(5);
  2651. break;
  2652. }
  2653. }
  2654. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2655. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2656. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2657. rc = -EFAULT;
  2658. } else {
  2659. /* data */
  2660. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2661. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2662. EMAC_MDIO_COMM_START_BUSY);
  2663. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2664. for (i = 0; i < 50; i++) {
  2665. udelay(10);
  2666. tmp = REG_RD(bp, phy->mdio_ctrl +
  2667. EMAC_REG_EMAC_MDIO_COMM);
  2668. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2669. udelay(5);
  2670. break;
  2671. }
  2672. }
  2673. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2674. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2675. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2676. rc = -EFAULT;
  2677. }
  2678. }
  2679. /* Work around for E3 A0 */
  2680. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2681. phy->flags ^= FLAGS_DUMMY_READ;
  2682. if (phy->flags & FLAGS_DUMMY_READ) {
  2683. u16 temp_val;
  2684. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2685. }
  2686. }
  2687. return rc;
  2688. }
  2689. /******************************************************************/
  2690. /* BSC access functions from E3 */
  2691. /******************************************************************/
  2692. static void bnx2x_bsc_module_sel(struct link_params *params)
  2693. {
  2694. int idx;
  2695. u32 board_cfg, sfp_ctrl;
  2696. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2697. struct bnx2x *bp = params->bp;
  2698. u8 port = params->port;
  2699. /* Read I2C output PINs */
  2700. board_cfg = REG_RD(bp, params->shmem_base +
  2701. offsetof(struct shmem_region,
  2702. dev_info.shared_hw_config.board));
  2703. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2704. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2705. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2706. /* Read I2C output value */
  2707. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2708. offsetof(struct shmem_region,
  2709. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2710. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2711. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2712. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2713. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2714. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2715. }
  2716. static int bnx2x_bsc_read(struct link_params *params,
  2717. struct bnx2x_phy *phy,
  2718. u8 sl_devid,
  2719. u16 sl_addr,
  2720. u8 lc_addr,
  2721. u8 xfer_cnt,
  2722. u32 *data_array)
  2723. {
  2724. u32 val, i;
  2725. int rc = 0;
  2726. struct bnx2x *bp = params->bp;
  2727. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2728. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2729. return -EINVAL;
  2730. }
  2731. if (xfer_cnt > 16) {
  2732. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2733. xfer_cnt);
  2734. return -EINVAL;
  2735. }
  2736. bnx2x_bsc_module_sel(params);
  2737. xfer_cnt = 16 - lc_addr;
  2738. /* enable the engine */
  2739. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2740. val |= MCPR_IMC_COMMAND_ENABLE;
  2741. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2742. /* program slave device ID */
  2743. val = (sl_devid << 16) | sl_addr;
  2744. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2745. /* start xfer with 0 byte to update the address pointer ???*/
  2746. val = (MCPR_IMC_COMMAND_ENABLE) |
  2747. (MCPR_IMC_COMMAND_WRITE_OP <<
  2748. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2749. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* poll for completion */
  2752. i = 0;
  2753. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2754. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2755. udelay(10);
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. if (i++ > 1000) {
  2758. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2759. i);
  2760. rc = -EFAULT;
  2761. break;
  2762. }
  2763. }
  2764. if (rc == -EFAULT)
  2765. return rc;
  2766. /* start xfer with read op */
  2767. val = (MCPR_IMC_COMMAND_ENABLE) |
  2768. (MCPR_IMC_COMMAND_READ_OP <<
  2769. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2770. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2771. (xfer_cnt);
  2772. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2773. /* poll for completion */
  2774. i = 0;
  2775. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2776. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2777. udelay(10);
  2778. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2779. if (i++ > 1000) {
  2780. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2781. rc = -EFAULT;
  2782. break;
  2783. }
  2784. }
  2785. if (rc == -EFAULT)
  2786. return rc;
  2787. for (i = (lc_addr >> 2); i < 4; i++) {
  2788. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2789. #ifdef __BIG_ENDIAN
  2790. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2791. ((data_array[i] & 0x0000ff00) << 8) |
  2792. ((data_array[i] & 0x00ff0000) >> 8) |
  2793. ((data_array[i] & 0xff000000) >> 24);
  2794. #endif
  2795. }
  2796. return rc;
  2797. }
  2798. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2799. u8 devad, u16 reg, u16 or_val)
  2800. {
  2801. u16 val;
  2802. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2803. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2804. }
  2805. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2806. u8 devad, u16 reg, u16 *ret_val)
  2807. {
  2808. u8 phy_index;
  2809. /*
  2810. * Probe for the phy according to the given phy_addr, and execute
  2811. * the read request on it
  2812. */
  2813. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2814. if (params->phy[phy_index].addr == phy_addr) {
  2815. return bnx2x_cl45_read(params->bp,
  2816. &params->phy[phy_index], devad,
  2817. reg, ret_val);
  2818. }
  2819. }
  2820. return -EINVAL;
  2821. }
  2822. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2823. u8 devad, u16 reg, u16 val)
  2824. {
  2825. u8 phy_index;
  2826. /*
  2827. * Probe for the phy according to the given phy_addr, and execute
  2828. * the write request on it
  2829. */
  2830. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2831. if (params->phy[phy_index].addr == phy_addr) {
  2832. return bnx2x_cl45_write(params->bp,
  2833. &params->phy[phy_index], devad,
  2834. reg, val);
  2835. }
  2836. }
  2837. return -EINVAL;
  2838. }
  2839. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2840. struct link_params *params)
  2841. {
  2842. u8 lane = 0;
  2843. struct bnx2x *bp = params->bp;
  2844. u32 path_swap, path_swap_ovr;
  2845. u8 path, port;
  2846. path = BP_PATH(bp);
  2847. port = params->port;
  2848. if (bnx2x_is_4_port_mode(bp)) {
  2849. u32 port_swap, port_swap_ovr;
  2850. /*figure out path swap value */
  2851. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2852. if (path_swap_ovr & 0x1)
  2853. path_swap = (path_swap_ovr & 0x2);
  2854. else
  2855. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2856. if (path_swap)
  2857. path = path ^ 1;
  2858. /*figure out port swap value */
  2859. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2860. if (port_swap_ovr & 0x1)
  2861. port_swap = (port_swap_ovr & 0x2);
  2862. else
  2863. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2864. if (port_swap)
  2865. port = port ^ 1;
  2866. lane = (port<<1) + path;
  2867. } else { /* two port mode - no port swap */
  2868. /*figure out path swap value */
  2869. path_swap_ovr =
  2870. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2871. if (path_swap_ovr & 0x1) {
  2872. path_swap = (path_swap_ovr & 0x2);
  2873. } else {
  2874. path_swap =
  2875. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2876. }
  2877. if (path_swap)
  2878. path = path ^ 1;
  2879. lane = path << 1 ;
  2880. }
  2881. return lane;
  2882. }
  2883. static void bnx2x_set_aer_mmd(struct link_params *params,
  2884. struct bnx2x_phy *phy)
  2885. {
  2886. u32 ser_lane;
  2887. u16 offset, aer_val;
  2888. struct bnx2x *bp = params->bp;
  2889. ser_lane = ((params->lane_config &
  2890. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2891. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2892. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2893. (phy->addr + ser_lane) : 0;
  2894. if (USES_WARPCORE(bp)) {
  2895. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2896. /*
  2897. * In Dual-lane mode, two lanes are joined together,
  2898. * so in order to configure them, the AER broadcast method is
  2899. * used here.
  2900. * 0x200 is the broadcast address for lanes 0,1
  2901. * 0x201 is the broadcast address for lanes 2,3
  2902. */
  2903. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2904. aer_val = (aer_val >> 1) | 0x200;
  2905. } else if (CHIP_IS_E2(bp))
  2906. aer_val = 0x3800 + offset - 1;
  2907. else
  2908. aer_val = 0x3800 + offset;
  2909. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2910. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2911. MDIO_AER_BLOCK_AER_REG, aer_val);
  2912. }
  2913. /******************************************************************/
  2914. /* Internal phy section */
  2915. /******************************************************************/
  2916. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2917. {
  2918. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2919. /* Set Clause 22 */
  2920. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2921. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2922. udelay(500);
  2923. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2924. udelay(500);
  2925. /* Set Clause 45 */
  2926. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2927. }
  2928. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2929. {
  2930. u32 val;
  2931. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2932. val = SERDES_RESET_BITS << (port*16);
  2933. /* reset and unreset the SerDes/XGXS */
  2934. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2935. udelay(500);
  2936. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2937. bnx2x_set_serdes_access(bp, port);
  2938. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2939. DEFAULT_PHY_DEV_ADDR);
  2940. }
  2941. static void bnx2x_xgxs_deassert(struct link_params *params)
  2942. {
  2943. struct bnx2x *bp = params->bp;
  2944. u8 port;
  2945. u32 val;
  2946. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2947. port = params->port;
  2948. val = XGXS_RESET_BITS << (port*16);
  2949. /* reset and unreset the SerDes/XGXS */
  2950. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2951. udelay(500);
  2952. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2953. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2954. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2955. params->phy[INT_PHY].def_md_devad);
  2956. }
  2957. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2958. struct link_params *params, u16 *ieee_fc)
  2959. {
  2960. struct bnx2x *bp = params->bp;
  2961. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2962. /**
  2963. * resolve pause mode and advertisement Please refer to Table
  2964. * 28B-3 of the 802.3ab-1999 spec
  2965. */
  2966. switch (phy->req_flow_ctrl) {
  2967. case BNX2X_FLOW_CTRL_AUTO:
  2968. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2969. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2970. else
  2971. *ieee_fc |=
  2972. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2973. break;
  2974. case BNX2X_FLOW_CTRL_TX:
  2975. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2976. break;
  2977. case BNX2X_FLOW_CTRL_RX:
  2978. case BNX2X_FLOW_CTRL_BOTH:
  2979. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2980. break;
  2981. case BNX2X_FLOW_CTRL_NONE:
  2982. default:
  2983. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2984. break;
  2985. }
  2986. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2987. }
  2988. static void set_phy_vars(struct link_params *params,
  2989. struct link_vars *vars)
  2990. {
  2991. struct bnx2x *bp = params->bp;
  2992. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2993. u8 phy_config_swapped = params->multi_phy_config &
  2994. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2995. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2996. phy_index++) {
  2997. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2998. actual_phy_idx = phy_index;
  2999. if (phy_config_swapped) {
  3000. if (phy_index == EXT_PHY1)
  3001. actual_phy_idx = EXT_PHY2;
  3002. else if (phy_index == EXT_PHY2)
  3003. actual_phy_idx = EXT_PHY1;
  3004. }
  3005. params->phy[actual_phy_idx].req_flow_ctrl =
  3006. params->req_flow_ctrl[link_cfg_idx];
  3007. params->phy[actual_phy_idx].req_line_speed =
  3008. params->req_line_speed[link_cfg_idx];
  3009. params->phy[actual_phy_idx].speed_cap_mask =
  3010. params->speed_cap_mask[link_cfg_idx];
  3011. params->phy[actual_phy_idx].req_duplex =
  3012. params->req_duplex[link_cfg_idx];
  3013. if (params->req_line_speed[link_cfg_idx] ==
  3014. SPEED_AUTO_NEG)
  3015. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3016. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3017. " speed_cap_mask %x\n",
  3018. params->phy[actual_phy_idx].req_flow_ctrl,
  3019. params->phy[actual_phy_idx].req_line_speed,
  3020. params->phy[actual_phy_idx].speed_cap_mask);
  3021. }
  3022. }
  3023. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3024. struct bnx2x_phy *phy,
  3025. struct link_vars *vars)
  3026. {
  3027. u16 val;
  3028. struct bnx2x *bp = params->bp;
  3029. /* read modify write pause advertizing */
  3030. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3031. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3032. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3033. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3034. if ((vars->ieee_fc &
  3035. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3037. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3038. }
  3039. if ((vars->ieee_fc &
  3040. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3042. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3043. }
  3044. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3045. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3046. }
  3047. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3048. { /* LD LP */
  3049. switch (pause_result) { /* ASYM P ASYM P */
  3050. case 0xb: /* 1 0 1 1 */
  3051. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3052. break;
  3053. case 0xe: /* 1 1 1 0 */
  3054. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3055. break;
  3056. case 0x5: /* 0 1 0 1 */
  3057. case 0x7: /* 0 1 1 1 */
  3058. case 0xd: /* 1 1 0 1 */
  3059. case 0xf: /* 1 1 1 1 */
  3060. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3061. break;
  3062. default:
  3063. break;
  3064. }
  3065. if (pause_result & (1<<0))
  3066. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3067. if (pause_result & (1<<1))
  3068. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3069. }
  3070. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3071. struct link_params *params,
  3072. struct link_vars *vars)
  3073. {
  3074. struct bnx2x *bp = params->bp;
  3075. u16 ld_pause; /* local */
  3076. u16 lp_pause; /* link partner */
  3077. u16 pause_result;
  3078. u8 ret = 0;
  3079. /* read twice */
  3080. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3081. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3082. vars->flow_ctrl = phy->req_flow_ctrl;
  3083. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3084. vars->flow_ctrl = params->req_fc_auto_adv;
  3085. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3086. ret = 1;
  3087. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616) {
  3088. bnx2x_cl22_read(bp, phy,
  3089. 0x4, &ld_pause);
  3090. bnx2x_cl22_read(bp, phy,
  3091. 0x5, &lp_pause);
  3092. } else {
  3093. bnx2x_cl45_read(bp, phy,
  3094. MDIO_AN_DEVAD,
  3095. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3096. bnx2x_cl45_read(bp, phy,
  3097. MDIO_AN_DEVAD,
  3098. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3099. }
  3100. pause_result = (ld_pause &
  3101. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3102. pause_result |= (lp_pause &
  3103. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3104. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3105. pause_result);
  3106. bnx2x_pause_resolve(vars, pause_result);
  3107. }
  3108. return ret;
  3109. }
  3110. /******************************************************************/
  3111. /* Warpcore section */
  3112. /******************************************************************/
  3113. /* The init_internal_warpcore should mirror the xgxs,
  3114. * i.e. reset the lane (if needed), set aer for the
  3115. * init configuration, and set/clear SGMII flag. Internal
  3116. * phy init is done purely in phy_init stage.
  3117. */
  3118. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3119. struct link_params *params,
  3120. struct link_vars *vars) {
  3121. u16 val16 = 0, lane;
  3122. struct bnx2x *bp = params->bp;
  3123. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3124. /* Check adding advertisement for 1G KX */
  3125. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3126. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3127. (vars->line_speed == SPEED_1000)) {
  3128. u16 sd_digital;
  3129. val16 |= (1<<5);
  3130. /* Enable CL37 1G Parallel Detect */
  3131. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3132. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3133. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3134. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3135. (sd_digital | 0x1));
  3136. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3137. }
  3138. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3139. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3140. (vars->line_speed == SPEED_10000)) {
  3141. /* Check adding advertisement for 10G KR */
  3142. val16 |= (1<<7);
  3143. /* Enable 10G Parallel Detect */
  3144. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3145. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3146. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3147. }
  3148. /* Set Transmit PMD settings */
  3149. lane = bnx2x_get_warpcore_lane(phy, params);
  3150. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3151. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3152. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3153. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3154. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3155. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3156. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3157. 0x03f0);
  3158. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3160. 0x03f0);
  3161. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3162. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3163. 0x383f);
  3164. /* Advertised speeds */
  3165. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3166. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3167. /* Advertise pause */
  3168. bnx2x_ext_phy_set_pause(params, phy, vars);
  3169. /* Enable Autoneg */
  3170. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3171. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3172. /* Over 1G - AN local device user page 1 */
  3173. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3174. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3175. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3176. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3177. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3179. }
  3180. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3181. struct link_params *params,
  3182. struct link_vars *vars)
  3183. {
  3184. struct bnx2x *bp = params->bp;
  3185. u16 val;
  3186. /* Disable Autoneg */
  3187. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3188. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3189. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3190. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3191. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3193. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3194. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3195. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3196. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3197. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3198. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3199. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3200. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3201. /* Disable CL36 PCS Tx */
  3202. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3203. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3204. /* Double Wide Single Data Rate @ pll rate */
  3205. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3206. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3207. /* Leave cl72 training enable, needed for KR */
  3208. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3209. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3210. 0x2);
  3211. /* Leave CL72 enabled */
  3212. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3213. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3214. &val);
  3215. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3217. val | 0x3800);
  3218. /* Set speed via PMA/PMD register */
  3219. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3220. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3221. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3222. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3223. /*Enable encoded forced speed */
  3224. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3225. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3226. /* Turn TX scramble payload only the 64/66 scrambler */
  3227. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3228. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3229. /* Turn RX scramble payload only the 64/66 scrambler */
  3230. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3232. /* set and clear loopback to cause a reset to 64/66 decoder */
  3233. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3234. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3235. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3236. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3237. }
  3238. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3239. struct link_params *params,
  3240. u8 is_xfi)
  3241. {
  3242. struct bnx2x *bp = params->bp;
  3243. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3244. /* Hold rxSeqStart */
  3245. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3246. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3247. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3248. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3249. /* Hold tx_fifo_reset */
  3250. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3252. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3254. /* Disable CL73 AN */
  3255. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3256. /* Disable 100FX Enable and Auto-Detect */
  3257. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3258. MDIO_WC_REG_FX100_CTRL1, &val);
  3259. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3261. /* Disable 100FX Idle detect */
  3262. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3263. MDIO_WC_REG_FX100_CTRL3, &val);
  3264. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3266. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3267. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3268. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3269. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3270. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3271. /* Turn off auto-detect & fiber mode */
  3272. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3273. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3276. (val & 0xFFEE));
  3277. /* Set filter_force_link, disable_false_link and parallel_detect */
  3278. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3282. ((val | 0x0006) & 0xFFFE));
  3283. /* Set XFI / SFI */
  3284. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3285. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3286. misc1_val &= ~(0x1f);
  3287. if (is_xfi) {
  3288. misc1_val |= 0x5;
  3289. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3290. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3291. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3292. tx_driver_val =
  3293. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3294. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3295. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3296. } else {
  3297. misc1_val |= 0x9;
  3298. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3299. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3300. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3301. tx_driver_val =
  3302. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3303. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3304. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3305. }
  3306. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3308. /* Set Transmit PMD settings */
  3309. lane = bnx2x_get_warpcore_lane(phy, params);
  3310. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_TX_FIR_TAP,
  3312. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3315. tx_driver_val);
  3316. /* Enable fiber mode, enable and invert sig_det */
  3317. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3318. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3319. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3320. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3321. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3322. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3324. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3325. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3326. /* 10G XFI Full Duplex */
  3327. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3329. /* Release tx_fifo_reset */
  3330. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3331. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3332. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3333. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3334. /* Release rxSeqStart */
  3335. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3336. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3339. }
  3340. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3341. struct bnx2x_phy *phy)
  3342. {
  3343. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3344. }
  3345. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3346. struct bnx2x_phy *phy,
  3347. u16 lane)
  3348. {
  3349. /* Rx0 anaRxControl1G */
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3352. /* Rx2 anaRxControl1G */
  3353. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3359. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3360. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3361. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3363. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3371. /* Serdes Digital Misc1 */
  3372. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3374. /* Serdes Digital4 Misc3 */
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3377. /* Set Transmit PMD settings */
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_TX_FIR_TAP,
  3380. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3381. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3382. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3383. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3384. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3385. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3386. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3387. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3388. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3389. }
  3390. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3391. struct link_params *params,
  3392. u8 fiber_mode)
  3393. {
  3394. struct bnx2x *bp = params->bp;
  3395. u16 val16, digctrl_kx1, digctrl_kx2;
  3396. u8 lane;
  3397. lane = bnx2x_get_warpcore_lane(phy, params);
  3398. /* Clear XFI clock comp in non-10G single lane mode. */
  3399. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_RX66_CONTROL, &val16);
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3403. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3404. /* SGMII Autoneg */
  3405. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3407. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3409. val16 | 0x1000);
  3410. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3411. } else {
  3412. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3414. val16 &= 0xcfbf;
  3415. switch (phy->req_line_speed) {
  3416. case SPEED_10:
  3417. break;
  3418. case SPEED_100:
  3419. val16 |= 0x2000;
  3420. break;
  3421. case SPEED_1000:
  3422. val16 |= 0x0040;
  3423. break;
  3424. default:
  3425. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3426. "\n", phy->req_line_speed);
  3427. return;
  3428. }
  3429. if (phy->req_duplex == DUPLEX_FULL)
  3430. val16 |= 0x0100;
  3431. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3433. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3434. phy->req_line_speed);
  3435. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3437. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3438. }
  3439. /* SGMII Slave mode and disable signal detect */
  3440. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3442. if (fiber_mode)
  3443. digctrl_kx1 = 1;
  3444. else
  3445. digctrl_kx1 &= 0xff4a;
  3446. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3448. digctrl_kx1);
  3449. /* Turn off parallel detect */
  3450. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3452. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3454. (digctrl_kx2 & ~(1<<2)));
  3455. /* Re-enable parallel detect */
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3458. (digctrl_kx2 | (1<<2)));
  3459. /* Enable autodet */
  3460. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3462. (digctrl_kx1 | 0x10));
  3463. }
  3464. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3465. struct bnx2x_phy *phy,
  3466. u8 reset)
  3467. {
  3468. u16 val;
  3469. /* Take lane out of reset after configuration is finished */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3472. if (reset)
  3473. val |= 0xC000;
  3474. else
  3475. val &= 0x3FFF;
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3478. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3480. }
  3481. /* Clear SFI/XFI link settings registers */
  3482. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3483. struct link_params *params,
  3484. u16 lane)
  3485. {
  3486. struct bnx2x *bp = params->bp;
  3487. u16 val16;
  3488. /* Set XFI clock comp as default. */
  3489. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_RX66_CONTROL, &val16);
  3491. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3493. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3494. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3499. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3500. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3503. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3509. lane = bnx2x_get_warpcore_lane(phy, params);
  3510. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3511. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3514. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3515. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3518. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3519. }
  3520. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3521. u32 chip_id,
  3522. u32 shmem_base, u8 port,
  3523. u8 *gpio_num, u8 *gpio_port)
  3524. {
  3525. u32 cfg_pin;
  3526. *gpio_num = 0;
  3527. *gpio_port = 0;
  3528. if (CHIP_IS_E3(bp)) {
  3529. cfg_pin = (REG_RD(bp, shmem_base +
  3530. offsetof(struct shmem_region,
  3531. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3532. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3533. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3534. /*
  3535. * Should not happen. This function called upon interrupt
  3536. * triggered by GPIO ( since EPIO can only generate interrupts
  3537. * to MCP).
  3538. * So if this function was called and none of the GPIOs was set,
  3539. * it means the shit hit the fan.
  3540. */
  3541. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3542. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3543. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3544. "module detect indication\n",
  3545. cfg_pin);
  3546. return -EINVAL;
  3547. }
  3548. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3549. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3550. } else {
  3551. *gpio_num = MISC_REGISTERS_GPIO_3;
  3552. *gpio_port = port;
  3553. }
  3554. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3555. return 0;
  3556. }
  3557. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3558. struct link_params *params)
  3559. {
  3560. struct bnx2x *bp = params->bp;
  3561. u8 gpio_num, gpio_port;
  3562. u32 gpio_val;
  3563. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3564. params->shmem_base, params->port,
  3565. &gpio_num, &gpio_port) != 0)
  3566. return 0;
  3567. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3568. /* Call the handling function in case module is detected */
  3569. if (gpio_val == 0)
  3570. return 1;
  3571. else
  3572. return 0;
  3573. }
  3574. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3575. struct link_params *params,
  3576. struct link_vars *vars)
  3577. {
  3578. struct bnx2x *bp = params->bp;
  3579. u32 serdes_net_if;
  3580. u8 fiber_mode;
  3581. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3582. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3583. offsetof(struct shmem_region, dev_info.
  3584. port_hw_config[params->port].default_cfg)) &
  3585. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3586. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3587. "serdes_net_if = 0x%x\n",
  3588. vars->line_speed, serdes_net_if);
  3589. bnx2x_set_aer_mmd(params, phy);
  3590. vars->phy_flags |= PHY_XGXS_FLAG;
  3591. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3592. (phy->req_line_speed &&
  3593. ((phy->req_line_speed == SPEED_100) ||
  3594. (phy->req_line_speed == SPEED_10)))) {
  3595. vars->phy_flags |= PHY_SGMII_FLAG;
  3596. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3597. bnx2x_warpcore_clear_regs(phy, params, lane);
  3598. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3599. } else {
  3600. switch (serdes_net_if) {
  3601. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3602. /* Enable KR Auto Neg */
  3603. if (params->loopback_mode == LOOPBACK_NONE)
  3604. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3605. else {
  3606. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3607. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3608. }
  3609. break;
  3610. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3611. bnx2x_warpcore_clear_regs(phy, params, lane);
  3612. if (vars->line_speed == SPEED_10000) {
  3613. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3614. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3615. } else {
  3616. if (SINGLE_MEDIA_DIRECT(params)) {
  3617. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3618. fiber_mode = 1;
  3619. } else {
  3620. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3621. fiber_mode = 0;
  3622. }
  3623. bnx2x_warpcore_set_sgmii_speed(phy,
  3624. params,
  3625. fiber_mode);
  3626. }
  3627. break;
  3628. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3629. bnx2x_warpcore_clear_regs(phy, params, lane);
  3630. if (vars->line_speed == SPEED_10000) {
  3631. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3632. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3633. } else if (vars->line_speed == SPEED_1000) {
  3634. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3635. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3636. }
  3637. /* Issue Module detection */
  3638. if (bnx2x_is_sfp_module_plugged(phy, params))
  3639. bnx2x_sfp_module_detection(phy, params);
  3640. break;
  3641. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3642. if (vars->line_speed != SPEED_20000) {
  3643. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3644. return;
  3645. }
  3646. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3647. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3648. /* Issue Module detection */
  3649. bnx2x_sfp_module_detection(phy, params);
  3650. break;
  3651. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3652. if (vars->line_speed != SPEED_20000) {
  3653. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3654. return;
  3655. }
  3656. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3657. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3658. break;
  3659. default:
  3660. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3661. "0x%x\n", serdes_net_if);
  3662. return;
  3663. }
  3664. }
  3665. /* Take lane out of reset after configuration is finished */
  3666. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3667. DP(NETIF_MSG_LINK, "Exit config init\n");
  3668. }
  3669. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3670. struct bnx2x_phy *phy,
  3671. u8 tx_en)
  3672. {
  3673. struct bnx2x *bp = params->bp;
  3674. u32 cfg_pin;
  3675. u8 port = params->port;
  3676. cfg_pin = REG_RD(bp, params->shmem_base +
  3677. offsetof(struct shmem_region,
  3678. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3679. PORT_HW_CFG_TX_LASER_MASK;
  3680. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3681. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3682. /* For 20G, the expected pin to be used is 3 pins after the current */
  3683. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3684. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3685. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3686. }
  3687. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3688. struct link_params *params)
  3689. {
  3690. struct bnx2x *bp = params->bp;
  3691. u16 val16;
  3692. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3693. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3694. bnx2x_set_aer_mmd(params, phy);
  3695. /* Global register */
  3696. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3697. /* Clear loopback settings (if any) */
  3698. /* 10G & 20G */
  3699. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3700. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3701. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3702. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3703. 0xBFFF);
  3704. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3705. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3706. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3707. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3708. /* Update those 1-copy registers */
  3709. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3710. MDIO_AER_BLOCK_AER_REG, 0);
  3711. /* Enable 1G MDIO (1-copy) */
  3712. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3713. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3714. &val16);
  3715. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3717. val16 & ~0x10);
  3718. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3720. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3721. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3722. val16 & 0xff00);
  3723. }
  3724. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3725. struct link_params *params)
  3726. {
  3727. struct bnx2x *bp = params->bp;
  3728. u16 val16;
  3729. u32 lane;
  3730. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3731. params->loopback_mode, phy->req_line_speed);
  3732. if (phy->req_line_speed < SPEED_10000) {
  3733. /* 10/100/1000 */
  3734. /* Update those 1-copy registers */
  3735. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3736. MDIO_AER_BLOCK_AER_REG, 0);
  3737. /* Enable 1G MDIO (1-copy) */
  3738. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3739. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3740. &val16);
  3741. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3742. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3743. val16 | 0x10);
  3744. /* Set 1G loopback based on lane (1-copy) */
  3745. lane = bnx2x_get_warpcore_lane(phy, params);
  3746. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3747. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3748. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3749. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3750. val16 | (1<<lane));
  3751. /* Switch back to 4-copy registers */
  3752. bnx2x_set_aer_mmd(params, phy);
  3753. /* Global loopback, not recommended. */
  3754. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3755. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3756. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3757. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3758. 0x4000);
  3759. } else {
  3760. /* 10G & 20G */
  3761. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3762. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3763. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3764. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3765. 0x4000);
  3766. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3767. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3768. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3769. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3770. }
  3771. }
  3772. void bnx2x_link_status_update(struct link_params *params,
  3773. struct link_vars *vars)
  3774. {
  3775. struct bnx2x *bp = params->bp;
  3776. u8 link_10g_plus;
  3777. u8 port = params->port;
  3778. u32 sync_offset, media_types;
  3779. /* Update PHY configuration */
  3780. set_phy_vars(params, vars);
  3781. vars->link_status = REG_RD(bp, params->shmem_base +
  3782. offsetof(struct shmem_region,
  3783. port_mb[port].link_status));
  3784. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3785. vars->phy_flags = PHY_XGXS_FLAG;
  3786. if (vars->link_up) {
  3787. DP(NETIF_MSG_LINK, "phy link up\n");
  3788. vars->phy_link_up = 1;
  3789. vars->duplex = DUPLEX_FULL;
  3790. switch (vars->link_status &
  3791. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3792. case LINK_10THD:
  3793. vars->duplex = DUPLEX_HALF;
  3794. /* fall thru */
  3795. case LINK_10TFD:
  3796. vars->line_speed = SPEED_10;
  3797. break;
  3798. case LINK_100TXHD:
  3799. vars->duplex = DUPLEX_HALF;
  3800. /* fall thru */
  3801. case LINK_100T4:
  3802. case LINK_100TXFD:
  3803. vars->line_speed = SPEED_100;
  3804. break;
  3805. case LINK_1000THD:
  3806. vars->duplex = DUPLEX_HALF;
  3807. /* fall thru */
  3808. case LINK_1000TFD:
  3809. vars->line_speed = SPEED_1000;
  3810. break;
  3811. case LINK_2500THD:
  3812. vars->duplex = DUPLEX_HALF;
  3813. /* fall thru */
  3814. case LINK_2500TFD:
  3815. vars->line_speed = SPEED_2500;
  3816. break;
  3817. case LINK_10GTFD:
  3818. vars->line_speed = SPEED_10000;
  3819. break;
  3820. case LINK_20GTFD:
  3821. vars->line_speed = SPEED_20000;
  3822. break;
  3823. default:
  3824. break;
  3825. }
  3826. vars->flow_ctrl = 0;
  3827. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3828. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3829. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3830. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3831. if (!vars->flow_ctrl)
  3832. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3833. if (vars->line_speed &&
  3834. ((vars->line_speed == SPEED_10) ||
  3835. (vars->line_speed == SPEED_100))) {
  3836. vars->phy_flags |= PHY_SGMII_FLAG;
  3837. } else {
  3838. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3839. }
  3840. if (vars->line_speed &&
  3841. USES_WARPCORE(bp) &&
  3842. (vars->line_speed == SPEED_1000))
  3843. vars->phy_flags |= PHY_SGMII_FLAG;
  3844. /* anything 10 and over uses the bmac */
  3845. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3846. if (link_10g_plus) {
  3847. if (USES_WARPCORE(bp))
  3848. vars->mac_type = MAC_TYPE_XMAC;
  3849. else
  3850. vars->mac_type = MAC_TYPE_BMAC;
  3851. } else {
  3852. if (USES_WARPCORE(bp))
  3853. vars->mac_type = MAC_TYPE_UMAC;
  3854. else
  3855. vars->mac_type = MAC_TYPE_EMAC;
  3856. }
  3857. } else { /* link down */
  3858. DP(NETIF_MSG_LINK, "phy link down\n");
  3859. vars->phy_link_up = 0;
  3860. vars->line_speed = 0;
  3861. vars->duplex = DUPLEX_FULL;
  3862. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3863. /* indicate no mac active */
  3864. vars->mac_type = MAC_TYPE_NONE;
  3865. }
  3866. /* Sync media type */
  3867. sync_offset = params->shmem_base +
  3868. offsetof(struct shmem_region,
  3869. dev_info.port_hw_config[port].media_type);
  3870. media_types = REG_RD(bp, sync_offset);
  3871. params->phy[INT_PHY].media_type =
  3872. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3873. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3874. params->phy[EXT_PHY1].media_type =
  3875. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3876. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3877. params->phy[EXT_PHY2].media_type =
  3878. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3879. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3880. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3881. /* Sync AEU offset */
  3882. sync_offset = params->shmem_base +
  3883. offsetof(struct shmem_region,
  3884. dev_info.port_hw_config[port].aeu_int_mask);
  3885. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3886. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3887. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3888. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3889. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3890. }
  3891. static void bnx2x_set_master_ln(struct link_params *params,
  3892. struct bnx2x_phy *phy)
  3893. {
  3894. struct bnx2x *bp = params->bp;
  3895. u16 new_master_ln, ser_lane;
  3896. ser_lane = ((params->lane_config &
  3897. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3898. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3899. /* set the master_ln for AN */
  3900. CL22_RD_OVER_CL45(bp, phy,
  3901. MDIO_REG_BANK_XGXS_BLOCK2,
  3902. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3903. &new_master_ln);
  3904. CL22_WR_OVER_CL45(bp, phy,
  3905. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3906. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3907. (new_master_ln | ser_lane));
  3908. }
  3909. static int bnx2x_reset_unicore(struct link_params *params,
  3910. struct bnx2x_phy *phy,
  3911. u8 set_serdes)
  3912. {
  3913. struct bnx2x *bp = params->bp;
  3914. u16 mii_control;
  3915. u16 i;
  3916. CL22_RD_OVER_CL45(bp, phy,
  3917. MDIO_REG_BANK_COMBO_IEEE0,
  3918. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3919. /* reset the unicore */
  3920. CL22_WR_OVER_CL45(bp, phy,
  3921. MDIO_REG_BANK_COMBO_IEEE0,
  3922. MDIO_COMBO_IEEE0_MII_CONTROL,
  3923. (mii_control |
  3924. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3925. if (set_serdes)
  3926. bnx2x_set_serdes_access(bp, params->port);
  3927. /* wait for the reset to self clear */
  3928. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3929. udelay(5);
  3930. /* the reset erased the previous bank value */
  3931. CL22_RD_OVER_CL45(bp, phy,
  3932. MDIO_REG_BANK_COMBO_IEEE0,
  3933. MDIO_COMBO_IEEE0_MII_CONTROL,
  3934. &mii_control);
  3935. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3936. udelay(5);
  3937. return 0;
  3938. }
  3939. }
  3940. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3941. " Port %d\n",
  3942. params->port);
  3943. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3944. return -EINVAL;
  3945. }
  3946. static void bnx2x_set_swap_lanes(struct link_params *params,
  3947. struct bnx2x_phy *phy)
  3948. {
  3949. struct bnx2x *bp = params->bp;
  3950. /*
  3951. * Each two bits represents a lane number:
  3952. * No swap is 0123 => 0x1b no need to enable the swap
  3953. */
  3954. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3955. ser_lane = ((params->lane_config &
  3956. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3957. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3958. rx_lane_swap = ((params->lane_config &
  3959. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3960. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  3961. tx_lane_swap = ((params->lane_config &
  3962. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  3963. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  3964. if (rx_lane_swap != 0x1b) {
  3965. CL22_WR_OVER_CL45(bp, phy,
  3966. MDIO_REG_BANK_XGXS_BLOCK2,
  3967. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  3968. (rx_lane_swap |
  3969. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  3970. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  3971. } else {
  3972. CL22_WR_OVER_CL45(bp, phy,
  3973. MDIO_REG_BANK_XGXS_BLOCK2,
  3974. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  3975. }
  3976. if (tx_lane_swap != 0x1b) {
  3977. CL22_WR_OVER_CL45(bp, phy,
  3978. MDIO_REG_BANK_XGXS_BLOCK2,
  3979. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  3980. (tx_lane_swap |
  3981. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  3982. } else {
  3983. CL22_WR_OVER_CL45(bp, phy,
  3984. MDIO_REG_BANK_XGXS_BLOCK2,
  3985. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  3986. }
  3987. }
  3988. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  3989. struct link_params *params)
  3990. {
  3991. struct bnx2x *bp = params->bp;
  3992. u16 control2;
  3993. CL22_RD_OVER_CL45(bp, phy,
  3994. MDIO_REG_BANK_SERDES_DIGITAL,
  3995. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  3996. &control2);
  3997. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  3998. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  3999. else
  4000. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4001. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4002. phy->speed_cap_mask, control2);
  4003. CL22_WR_OVER_CL45(bp, phy,
  4004. MDIO_REG_BANK_SERDES_DIGITAL,
  4005. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4006. control2);
  4007. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4008. (phy->speed_cap_mask &
  4009. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4010. DP(NETIF_MSG_LINK, "XGXS\n");
  4011. CL22_WR_OVER_CL45(bp, phy,
  4012. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4013. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4014. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4015. CL22_RD_OVER_CL45(bp, phy,
  4016. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4017. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4018. &control2);
  4019. control2 |=
  4020. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4021. CL22_WR_OVER_CL45(bp, phy,
  4022. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4023. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4024. control2);
  4025. /* Disable parallel detection of HiG */
  4026. CL22_WR_OVER_CL45(bp, phy,
  4027. MDIO_REG_BANK_XGXS_BLOCK2,
  4028. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4029. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4030. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4031. }
  4032. }
  4033. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4034. struct link_params *params,
  4035. struct link_vars *vars,
  4036. u8 enable_cl73)
  4037. {
  4038. struct bnx2x *bp = params->bp;
  4039. u16 reg_val;
  4040. /* CL37 Autoneg */
  4041. CL22_RD_OVER_CL45(bp, phy,
  4042. MDIO_REG_BANK_COMBO_IEEE0,
  4043. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4044. /* CL37 Autoneg Enabled */
  4045. if (vars->line_speed == SPEED_AUTO_NEG)
  4046. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4047. else /* CL37 Autoneg Disabled */
  4048. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4049. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4050. CL22_WR_OVER_CL45(bp, phy,
  4051. MDIO_REG_BANK_COMBO_IEEE0,
  4052. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4053. /* Enable/Disable Autodetection */
  4054. CL22_RD_OVER_CL45(bp, phy,
  4055. MDIO_REG_BANK_SERDES_DIGITAL,
  4056. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4057. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4058. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4059. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4060. if (vars->line_speed == SPEED_AUTO_NEG)
  4061. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4062. else
  4063. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4064. CL22_WR_OVER_CL45(bp, phy,
  4065. MDIO_REG_BANK_SERDES_DIGITAL,
  4066. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4067. /* Enable TetonII and BAM autoneg */
  4068. CL22_RD_OVER_CL45(bp, phy,
  4069. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4070. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4071. &reg_val);
  4072. if (vars->line_speed == SPEED_AUTO_NEG) {
  4073. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4074. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4075. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4076. } else {
  4077. /* TetonII and BAM Autoneg Disabled */
  4078. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4079. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4080. }
  4081. CL22_WR_OVER_CL45(bp, phy,
  4082. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4083. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4084. reg_val);
  4085. if (enable_cl73) {
  4086. /* Enable Cl73 FSM status bits */
  4087. CL22_WR_OVER_CL45(bp, phy,
  4088. MDIO_REG_BANK_CL73_USERB0,
  4089. MDIO_CL73_USERB0_CL73_UCTRL,
  4090. 0xe);
  4091. /* Enable BAM Station Manager*/
  4092. CL22_WR_OVER_CL45(bp, phy,
  4093. MDIO_REG_BANK_CL73_USERB0,
  4094. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4095. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4096. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4097. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4098. /* Advertise CL73 link speeds */
  4099. CL22_RD_OVER_CL45(bp, phy,
  4100. MDIO_REG_BANK_CL73_IEEEB1,
  4101. MDIO_CL73_IEEEB1_AN_ADV2,
  4102. &reg_val);
  4103. if (phy->speed_cap_mask &
  4104. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4105. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4106. if (phy->speed_cap_mask &
  4107. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4108. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4109. CL22_WR_OVER_CL45(bp, phy,
  4110. MDIO_REG_BANK_CL73_IEEEB1,
  4111. MDIO_CL73_IEEEB1_AN_ADV2,
  4112. reg_val);
  4113. /* CL73 Autoneg Enabled */
  4114. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4115. } else /* CL73 Autoneg Disabled */
  4116. reg_val = 0;
  4117. CL22_WR_OVER_CL45(bp, phy,
  4118. MDIO_REG_BANK_CL73_IEEEB0,
  4119. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4120. }
  4121. /* program SerDes, forced speed */
  4122. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4123. struct link_params *params,
  4124. struct link_vars *vars)
  4125. {
  4126. struct bnx2x *bp = params->bp;
  4127. u16 reg_val;
  4128. /* program duplex, disable autoneg and sgmii*/
  4129. CL22_RD_OVER_CL45(bp, phy,
  4130. MDIO_REG_BANK_COMBO_IEEE0,
  4131. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4132. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4133. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4134. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4135. if (phy->req_duplex == DUPLEX_FULL)
  4136. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4137. CL22_WR_OVER_CL45(bp, phy,
  4138. MDIO_REG_BANK_COMBO_IEEE0,
  4139. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4140. /*
  4141. * program speed
  4142. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4143. */
  4144. CL22_RD_OVER_CL45(bp, phy,
  4145. MDIO_REG_BANK_SERDES_DIGITAL,
  4146. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4147. /* clearing the speed value before setting the right speed */
  4148. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4149. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4150. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4151. if (!((vars->line_speed == SPEED_1000) ||
  4152. (vars->line_speed == SPEED_100) ||
  4153. (vars->line_speed == SPEED_10))) {
  4154. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4155. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4156. if (vars->line_speed == SPEED_10000)
  4157. reg_val |=
  4158. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4159. }
  4160. CL22_WR_OVER_CL45(bp, phy,
  4161. MDIO_REG_BANK_SERDES_DIGITAL,
  4162. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4163. }
  4164. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4165. struct link_params *params)
  4166. {
  4167. struct bnx2x *bp = params->bp;
  4168. u16 val = 0;
  4169. /* configure the 48 bits for BAM AN */
  4170. /* set extended capabilities */
  4171. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4172. val |= MDIO_OVER_1G_UP1_2_5G;
  4173. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4174. val |= MDIO_OVER_1G_UP1_10G;
  4175. CL22_WR_OVER_CL45(bp, phy,
  4176. MDIO_REG_BANK_OVER_1G,
  4177. MDIO_OVER_1G_UP1, val);
  4178. CL22_WR_OVER_CL45(bp, phy,
  4179. MDIO_REG_BANK_OVER_1G,
  4180. MDIO_OVER_1G_UP3, 0x400);
  4181. }
  4182. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4183. struct link_params *params,
  4184. u16 ieee_fc)
  4185. {
  4186. struct bnx2x *bp = params->bp;
  4187. u16 val;
  4188. /* for AN, we are always publishing full duplex */
  4189. CL22_WR_OVER_CL45(bp, phy,
  4190. MDIO_REG_BANK_COMBO_IEEE0,
  4191. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4192. CL22_RD_OVER_CL45(bp, phy,
  4193. MDIO_REG_BANK_CL73_IEEEB1,
  4194. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4195. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4196. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4197. CL22_WR_OVER_CL45(bp, phy,
  4198. MDIO_REG_BANK_CL73_IEEEB1,
  4199. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4200. }
  4201. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4202. struct link_params *params,
  4203. u8 enable_cl73)
  4204. {
  4205. struct bnx2x *bp = params->bp;
  4206. u16 mii_control;
  4207. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4208. /* Enable and restart BAM/CL37 aneg */
  4209. if (enable_cl73) {
  4210. CL22_RD_OVER_CL45(bp, phy,
  4211. MDIO_REG_BANK_CL73_IEEEB0,
  4212. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4213. &mii_control);
  4214. CL22_WR_OVER_CL45(bp, phy,
  4215. MDIO_REG_BANK_CL73_IEEEB0,
  4216. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4217. (mii_control |
  4218. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4219. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4220. } else {
  4221. CL22_RD_OVER_CL45(bp, phy,
  4222. MDIO_REG_BANK_COMBO_IEEE0,
  4223. MDIO_COMBO_IEEE0_MII_CONTROL,
  4224. &mii_control);
  4225. DP(NETIF_MSG_LINK,
  4226. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4227. mii_control);
  4228. CL22_WR_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_COMBO_IEEE0,
  4230. MDIO_COMBO_IEEE0_MII_CONTROL,
  4231. (mii_control |
  4232. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4233. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4234. }
  4235. }
  4236. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4237. struct link_params *params,
  4238. struct link_vars *vars)
  4239. {
  4240. struct bnx2x *bp = params->bp;
  4241. u16 control1;
  4242. /* in SGMII mode, the unicore is always slave */
  4243. CL22_RD_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_SERDES_DIGITAL,
  4245. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4246. &control1);
  4247. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4248. /* set sgmii mode (and not fiber) */
  4249. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4250. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4251. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4252. CL22_WR_OVER_CL45(bp, phy,
  4253. MDIO_REG_BANK_SERDES_DIGITAL,
  4254. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4255. control1);
  4256. /* if forced speed */
  4257. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4258. /* set speed, disable autoneg */
  4259. u16 mii_control;
  4260. CL22_RD_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_COMBO_IEEE0,
  4262. MDIO_COMBO_IEEE0_MII_CONTROL,
  4263. &mii_control);
  4264. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4265. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4266. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4267. switch (vars->line_speed) {
  4268. case SPEED_100:
  4269. mii_control |=
  4270. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4271. break;
  4272. case SPEED_1000:
  4273. mii_control |=
  4274. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4275. break;
  4276. case SPEED_10:
  4277. /* there is nothing to set for 10M */
  4278. break;
  4279. default:
  4280. /* invalid speed for SGMII */
  4281. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4282. vars->line_speed);
  4283. break;
  4284. }
  4285. /* setting the full duplex */
  4286. if (phy->req_duplex == DUPLEX_FULL)
  4287. mii_control |=
  4288. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4289. CL22_WR_OVER_CL45(bp, phy,
  4290. MDIO_REG_BANK_COMBO_IEEE0,
  4291. MDIO_COMBO_IEEE0_MII_CONTROL,
  4292. mii_control);
  4293. } else { /* AN mode */
  4294. /* enable and restart AN */
  4295. bnx2x_restart_autoneg(phy, params, 0);
  4296. }
  4297. }
  4298. /*
  4299. * link management
  4300. */
  4301. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4302. struct link_params *params)
  4303. {
  4304. struct bnx2x *bp = params->bp;
  4305. u16 pd_10g, status2_1000x;
  4306. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4307. return 0;
  4308. CL22_RD_OVER_CL45(bp, phy,
  4309. MDIO_REG_BANK_SERDES_DIGITAL,
  4310. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4311. &status2_1000x);
  4312. CL22_RD_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_SERDES_DIGITAL,
  4314. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4315. &status2_1000x);
  4316. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4317. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4318. params->port);
  4319. return 1;
  4320. }
  4321. CL22_RD_OVER_CL45(bp, phy,
  4322. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4323. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4324. &pd_10g);
  4325. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4326. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4327. params->port);
  4328. return 1;
  4329. }
  4330. return 0;
  4331. }
  4332. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4333. struct link_params *params,
  4334. struct link_vars *vars,
  4335. u32 gp_status)
  4336. {
  4337. struct bnx2x *bp = params->bp;
  4338. u16 ld_pause; /* local driver */
  4339. u16 lp_pause; /* link partner */
  4340. u16 pause_result;
  4341. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4342. /* resolve from gp_status in case of AN complete and not sgmii */
  4343. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4344. vars->flow_ctrl = phy->req_flow_ctrl;
  4345. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4346. vars->flow_ctrl = params->req_fc_auto_adv;
  4347. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4348. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4349. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4350. vars->flow_ctrl = params->req_fc_auto_adv;
  4351. return;
  4352. }
  4353. if ((gp_status &
  4354. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4355. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4356. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4357. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4358. CL22_RD_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_CL73_IEEEB1,
  4360. MDIO_CL73_IEEEB1_AN_ADV1,
  4361. &ld_pause);
  4362. CL22_RD_OVER_CL45(bp, phy,
  4363. MDIO_REG_BANK_CL73_IEEEB1,
  4364. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4365. &lp_pause);
  4366. pause_result = (ld_pause &
  4367. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4368. >> 8;
  4369. pause_result |= (lp_pause &
  4370. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4371. >> 10;
  4372. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4373. pause_result);
  4374. } else {
  4375. CL22_RD_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_COMBO_IEEE0,
  4377. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4378. &ld_pause);
  4379. CL22_RD_OVER_CL45(bp, phy,
  4380. MDIO_REG_BANK_COMBO_IEEE0,
  4381. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4382. &lp_pause);
  4383. pause_result = (ld_pause &
  4384. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4385. pause_result |= (lp_pause &
  4386. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4387. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4388. pause_result);
  4389. }
  4390. bnx2x_pause_resolve(vars, pause_result);
  4391. }
  4392. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4393. }
  4394. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4395. struct link_params *params)
  4396. {
  4397. struct bnx2x *bp = params->bp;
  4398. u16 rx_status, ustat_val, cl37_fsm_received;
  4399. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4400. /* Step 1: Make sure signal is detected */
  4401. CL22_RD_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_RX0,
  4403. MDIO_RX0_RX_STATUS,
  4404. &rx_status);
  4405. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4406. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4407. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4408. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4409. CL22_WR_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_CL73_IEEEB0,
  4411. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4412. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4413. return;
  4414. }
  4415. /* Step 2: Check CL73 state machine */
  4416. CL22_RD_OVER_CL45(bp, phy,
  4417. MDIO_REG_BANK_CL73_USERB0,
  4418. MDIO_CL73_USERB0_CL73_USTAT1,
  4419. &ustat_val);
  4420. if ((ustat_val &
  4421. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4422. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4423. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4424. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4425. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4426. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4427. return;
  4428. }
  4429. /*
  4430. * Step 3: Check CL37 Message Pages received to indicate LP
  4431. * supports only CL37
  4432. */
  4433. CL22_RD_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_REMOTE_PHY,
  4435. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4436. &cl37_fsm_received);
  4437. if ((cl37_fsm_received &
  4438. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4439. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4440. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4441. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4442. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4443. "misc_rx_status(0x8330) = 0x%x\n",
  4444. cl37_fsm_received);
  4445. return;
  4446. }
  4447. /*
  4448. * The combined cl37/cl73 fsm state information indicating that
  4449. * we are connected to a device which does not support cl73, but
  4450. * does support cl37 BAM. In this case we disable cl73 and
  4451. * restart cl37 auto-neg
  4452. */
  4453. /* Disable CL73 */
  4454. CL22_WR_OVER_CL45(bp, phy,
  4455. MDIO_REG_BANK_CL73_IEEEB0,
  4456. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4457. 0);
  4458. /* Restart CL37 autoneg */
  4459. bnx2x_restart_autoneg(phy, params, 0);
  4460. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4461. }
  4462. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4463. struct link_params *params,
  4464. struct link_vars *vars,
  4465. u32 gp_status)
  4466. {
  4467. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4468. vars->link_status |=
  4469. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4470. if (bnx2x_direct_parallel_detect_used(phy, params))
  4471. vars->link_status |=
  4472. LINK_STATUS_PARALLEL_DETECTION_USED;
  4473. }
  4474. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4475. struct link_params *params,
  4476. struct link_vars *vars,
  4477. u16 is_link_up,
  4478. u16 speed_mask,
  4479. u16 is_duplex)
  4480. {
  4481. struct bnx2x *bp = params->bp;
  4482. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4483. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4484. if (is_link_up) {
  4485. DP(NETIF_MSG_LINK, "phy link up\n");
  4486. vars->phy_link_up = 1;
  4487. vars->link_status |= LINK_STATUS_LINK_UP;
  4488. switch (speed_mask) {
  4489. case GP_STATUS_10M:
  4490. vars->line_speed = SPEED_10;
  4491. if (vars->duplex == DUPLEX_FULL)
  4492. vars->link_status |= LINK_10TFD;
  4493. else
  4494. vars->link_status |= LINK_10THD;
  4495. break;
  4496. case GP_STATUS_100M:
  4497. vars->line_speed = SPEED_100;
  4498. if (vars->duplex == DUPLEX_FULL)
  4499. vars->link_status |= LINK_100TXFD;
  4500. else
  4501. vars->link_status |= LINK_100TXHD;
  4502. break;
  4503. case GP_STATUS_1G:
  4504. case GP_STATUS_1G_KX:
  4505. vars->line_speed = SPEED_1000;
  4506. if (vars->duplex == DUPLEX_FULL)
  4507. vars->link_status |= LINK_1000TFD;
  4508. else
  4509. vars->link_status |= LINK_1000THD;
  4510. break;
  4511. case GP_STATUS_2_5G:
  4512. vars->line_speed = SPEED_2500;
  4513. if (vars->duplex == DUPLEX_FULL)
  4514. vars->link_status |= LINK_2500TFD;
  4515. else
  4516. vars->link_status |= LINK_2500THD;
  4517. break;
  4518. case GP_STATUS_5G:
  4519. case GP_STATUS_6G:
  4520. DP(NETIF_MSG_LINK,
  4521. "link speed unsupported gp_status 0x%x\n",
  4522. speed_mask);
  4523. return -EINVAL;
  4524. case GP_STATUS_10G_KX4:
  4525. case GP_STATUS_10G_HIG:
  4526. case GP_STATUS_10G_CX4:
  4527. case GP_STATUS_10G_KR:
  4528. case GP_STATUS_10G_SFI:
  4529. case GP_STATUS_10G_XFI:
  4530. vars->line_speed = SPEED_10000;
  4531. vars->link_status |= LINK_10GTFD;
  4532. break;
  4533. case GP_STATUS_20G_DXGXS:
  4534. vars->line_speed = SPEED_20000;
  4535. vars->link_status |= LINK_20GTFD;
  4536. break;
  4537. default:
  4538. DP(NETIF_MSG_LINK,
  4539. "link speed unsupported gp_status 0x%x\n",
  4540. speed_mask);
  4541. return -EINVAL;
  4542. }
  4543. } else { /* link_down */
  4544. DP(NETIF_MSG_LINK, "phy link down\n");
  4545. vars->phy_link_up = 0;
  4546. vars->duplex = DUPLEX_FULL;
  4547. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4548. vars->mac_type = MAC_TYPE_NONE;
  4549. }
  4550. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4551. vars->phy_link_up, vars->line_speed);
  4552. return 0;
  4553. }
  4554. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4555. struct link_params *params,
  4556. struct link_vars *vars)
  4557. {
  4558. struct bnx2x *bp = params->bp;
  4559. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4560. int rc = 0;
  4561. /* Read gp_status */
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_GP_STATUS,
  4564. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4565. &gp_status);
  4566. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4567. duplex = DUPLEX_FULL;
  4568. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4569. link_up = 1;
  4570. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4571. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4572. gp_status, link_up, speed_mask);
  4573. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4574. duplex);
  4575. if (rc == -EINVAL)
  4576. return rc;
  4577. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4578. if (SINGLE_MEDIA_DIRECT(params)) {
  4579. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4580. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4581. bnx2x_xgxs_an_resolve(phy, params, vars,
  4582. gp_status);
  4583. }
  4584. } else { /* link_down */
  4585. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4586. SINGLE_MEDIA_DIRECT(params)) {
  4587. /* Check signal is detected */
  4588. bnx2x_check_fallback_to_cl37(phy, params);
  4589. }
  4590. }
  4591. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4592. vars->duplex, vars->flow_ctrl, vars->link_status);
  4593. return rc;
  4594. }
  4595. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4596. struct link_params *params,
  4597. struct link_vars *vars)
  4598. {
  4599. struct bnx2x *bp = params->bp;
  4600. u8 lane;
  4601. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4602. int rc = 0;
  4603. lane = bnx2x_get_warpcore_lane(phy, params);
  4604. /* Read gp_status */
  4605. if (phy->req_line_speed > SPEED_10000) {
  4606. u16 temp_link_up;
  4607. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4608. 1, &temp_link_up);
  4609. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4610. 1, &link_up);
  4611. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4612. temp_link_up, link_up);
  4613. link_up &= (1<<2);
  4614. if (link_up)
  4615. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4616. } else {
  4617. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4618. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4619. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4620. /* Check for either KR or generic link up. */
  4621. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4622. ((gp_status1 >> 12) & 0xf);
  4623. link_up = gp_status1 & (1 << lane);
  4624. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4625. u16 pd, gp_status4;
  4626. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4627. /* Check Autoneg complete */
  4628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4629. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4630. &gp_status4);
  4631. if (gp_status4 & ((1<<12)<<lane))
  4632. vars->link_status |=
  4633. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4634. /* Check parallel detect used */
  4635. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4636. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4637. &pd);
  4638. if (pd & (1<<15))
  4639. vars->link_status |=
  4640. LINK_STATUS_PARALLEL_DETECTION_USED;
  4641. }
  4642. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4643. }
  4644. }
  4645. if (lane < 2) {
  4646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4647. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4648. } else {
  4649. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4650. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4651. }
  4652. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4653. if ((lane & 1) == 0)
  4654. gp_speed <<= 8;
  4655. gp_speed &= 0x3f00;
  4656. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4657. duplex);
  4658. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4659. vars->duplex, vars->flow_ctrl, vars->link_status);
  4660. return rc;
  4661. }
  4662. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4663. {
  4664. struct bnx2x *bp = params->bp;
  4665. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4666. u16 lp_up2;
  4667. u16 tx_driver;
  4668. u16 bank;
  4669. /* read precomp */
  4670. CL22_RD_OVER_CL45(bp, phy,
  4671. MDIO_REG_BANK_OVER_1G,
  4672. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4673. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4674. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4675. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4676. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4677. if (lp_up2 == 0)
  4678. return;
  4679. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4680. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4681. CL22_RD_OVER_CL45(bp, phy,
  4682. bank,
  4683. MDIO_TX0_TX_DRIVER, &tx_driver);
  4684. /* replace tx_driver bits [15:12] */
  4685. if (lp_up2 !=
  4686. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4687. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4688. tx_driver |= lp_up2;
  4689. CL22_WR_OVER_CL45(bp, phy,
  4690. bank,
  4691. MDIO_TX0_TX_DRIVER, tx_driver);
  4692. }
  4693. }
  4694. }
  4695. static int bnx2x_emac_program(struct link_params *params,
  4696. struct link_vars *vars)
  4697. {
  4698. struct bnx2x *bp = params->bp;
  4699. u8 port = params->port;
  4700. u16 mode = 0;
  4701. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4702. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4703. EMAC_REG_EMAC_MODE,
  4704. (EMAC_MODE_25G_MODE |
  4705. EMAC_MODE_PORT_MII_10M |
  4706. EMAC_MODE_HALF_DUPLEX));
  4707. switch (vars->line_speed) {
  4708. case SPEED_10:
  4709. mode |= EMAC_MODE_PORT_MII_10M;
  4710. break;
  4711. case SPEED_100:
  4712. mode |= EMAC_MODE_PORT_MII;
  4713. break;
  4714. case SPEED_1000:
  4715. mode |= EMAC_MODE_PORT_GMII;
  4716. break;
  4717. case SPEED_2500:
  4718. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4719. break;
  4720. default:
  4721. /* 10G not valid for EMAC */
  4722. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4723. vars->line_speed);
  4724. return -EINVAL;
  4725. }
  4726. if (vars->duplex == DUPLEX_HALF)
  4727. mode |= EMAC_MODE_HALF_DUPLEX;
  4728. bnx2x_bits_en(bp,
  4729. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4730. mode);
  4731. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4732. return 0;
  4733. }
  4734. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4735. struct link_params *params)
  4736. {
  4737. u16 bank, i = 0;
  4738. struct bnx2x *bp = params->bp;
  4739. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4740. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4741. CL22_WR_OVER_CL45(bp, phy,
  4742. bank,
  4743. MDIO_RX0_RX_EQ_BOOST,
  4744. phy->rx_preemphasis[i]);
  4745. }
  4746. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4747. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4748. CL22_WR_OVER_CL45(bp, phy,
  4749. bank,
  4750. MDIO_TX0_TX_DRIVER,
  4751. phy->tx_preemphasis[i]);
  4752. }
  4753. }
  4754. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4755. struct link_params *params,
  4756. struct link_vars *vars)
  4757. {
  4758. struct bnx2x *bp = params->bp;
  4759. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4760. (params->loopback_mode == LOOPBACK_XGXS));
  4761. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4762. if (SINGLE_MEDIA_DIRECT(params) &&
  4763. (params->feature_config_flags &
  4764. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4765. bnx2x_set_preemphasis(phy, params);
  4766. /* forced speed requested? */
  4767. if (vars->line_speed != SPEED_AUTO_NEG ||
  4768. (SINGLE_MEDIA_DIRECT(params) &&
  4769. params->loopback_mode == LOOPBACK_EXT)) {
  4770. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4771. /* disable autoneg */
  4772. bnx2x_set_autoneg(phy, params, vars, 0);
  4773. /* program speed and duplex */
  4774. bnx2x_program_serdes(phy, params, vars);
  4775. } else { /* AN_mode */
  4776. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4777. /* AN enabled */
  4778. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4779. /* program duplex & pause advertisement (for aneg) */
  4780. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4781. vars->ieee_fc);
  4782. /* enable autoneg */
  4783. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4784. /* enable and restart AN */
  4785. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4786. }
  4787. } else { /* SGMII mode */
  4788. DP(NETIF_MSG_LINK, "SGMII\n");
  4789. bnx2x_initialize_sgmii_process(phy, params, vars);
  4790. }
  4791. }
  4792. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4793. struct link_params *params,
  4794. struct link_vars *vars)
  4795. {
  4796. int rc;
  4797. vars->phy_flags |= PHY_XGXS_FLAG;
  4798. if ((phy->req_line_speed &&
  4799. ((phy->req_line_speed == SPEED_100) ||
  4800. (phy->req_line_speed == SPEED_10))) ||
  4801. (!phy->req_line_speed &&
  4802. (phy->speed_cap_mask >=
  4803. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4804. (phy->speed_cap_mask <
  4805. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4806. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4807. vars->phy_flags |= PHY_SGMII_FLAG;
  4808. else
  4809. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4810. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4811. bnx2x_set_aer_mmd(params, phy);
  4812. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4813. bnx2x_set_master_ln(params, phy);
  4814. rc = bnx2x_reset_unicore(params, phy, 0);
  4815. /* reset the SerDes and wait for reset bit return low */
  4816. if (rc != 0)
  4817. return rc;
  4818. bnx2x_set_aer_mmd(params, phy);
  4819. /* setting the masterLn_def again after the reset */
  4820. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4821. bnx2x_set_master_ln(params, phy);
  4822. bnx2x_set_swap_lanes(params, phy);
  4823. }
  4824. return rc;
  4825. }
  4826. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4827. struct bnx2x_phy *phy,
  4828. struct link_params *params)
  4829. {
  4830. u16 cnt, ctrl;
  4831. /* Wait for soft reset to get cleared up to 1 sec */
  4832. for (cnt = 0; cnt < 1000; cnt++) {
  4833. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616)
  4834. bnx2x_cl22_read(bp, phy,
  4835. MDIO_PMA_REG_CTRL, &ctrl);
  4836. else
  4837. bnx2x_cl45_read(bp, phy,
  4838. MDIO_PMA_DEVAD,
  4839. MDIO_PMA_REG_CTRL, &ctrl);
  4840. if (!(ctrl & (1<<15)))
  4841. break;
  4842. msleep(1);
  4843. }
  4844. if (cnt == 1000)
  4845. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4846. " Port %d\n",
  4847. params->port);
  4848. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4849. return cnt;
  4850. }
  4851. static void bnx2x_link_int_enable(struct link_params *params)
  4852. {
  4853. u8 port = params->port;
  4854. u32 mask;
  4855. struct bnx2x *bp = params->bp;
  4856. /* Setting the status to report on link up for either XGXS or SerDes */
  4857. if (CHIP_IS_E3(bp)) {
  4858. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4859. if (!(SINGLE_MEDIA_DIRECT(params)))
  4860. mask |= NIG_MASK_MI_INT;
  4861. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4862. mask = (NIG_MASK_XGXS0_LINK10G |
  4863. NIG_MASK_XGXS0_LINK_STATUS);
  4864. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4865. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4866. params->phy[INT_PHY].type !=
  4867. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4868. mask |= NIG_MASK_MI_INT;
  4869. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4870. }
  4871. } else { /* SerDes */
  4872. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4873. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4874. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4875. params->phy[INT_PHY].type !=
  4876. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4877. mask |= NIG_MASK_MI_INT;
  4878. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4879. }
  4880. }
  4881. bnx2x_bits_en(bp,
  4882. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4883. mask);
  4884. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4885. (params->switch_cfg == SWITCH_CFG_10G),
  4886. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4887. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4888. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4889. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4890. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4891. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4892. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4893. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4894. }
  4895. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4896. u8 exp_mi_int)
  4897. {
  4898. u32 latch_status = 0;
  4899. /*
  4900. * Disable the MI INT ( external phy int ) by writing 1 to the
  4901. * status register. Link down indication is high-active-signal,
  4902. * so in this case we need to write the status to clear the XOR
  4903. */
  4904. /* Read Latched signals */
  4905. latch_status = REG_RD(bp,
  4906. NIG_REG_LATCH_STATUS_0 + port*8);
  4907. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4908. /* Handle only those with latched-signal=up.*/
  4909. if (exp_mi_int)
  4910. bnx2x_bits_en(bp,
  4911. NIG_REG_STATUS_INTERRUPT_PORT0
  4912. + port*4,
  4913. NIG_STATUS_EMAC0_MI_INT);
  4914. else
  4915. bnx2x_bits_dis(bp,
  4916. NIG_REG_STATUS_INTERRUPT_PORT0
  4917. + port*4,
  4918. NIG_STATUS_EMAC0_MI_INT);
  4919. if (latch_status & 1) {
  4920. /* For all latched-signal=up : Re-Arm Latch signals */
  4921. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4922. (latch_status & 0xfffe) | (latch_status & 1));
  4923. }
  4924. /* For all latched-signal=up,Write original_signal to status */
  4925. }
  4926. static void bnx2x_link_int_ack(struct link_params *params,
  4927. struct link_vars *vars, u8 is_10g_plus)
  4928. {
  4929. struct bnx2x *bp = params->bp;
  4930. u8 port = params->port;
  4931. u32 mask;
  4932. /*
  4933. * First reset all status we assume only one line will be
  4934. * change at a time
  4935. */
  4936. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4937. (NIG_STATUS_XGXS0_LINK10G |
  4938. NIG_STATUS_XGXS0_LINK_STATUS |
  4939. NIG_STATUS_SERDES0_LINK_STATUS));
  4940. if (vars->phy_link_up) {
  4941. if (USES_WARPCORE(bp))
  4942. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4943. else {
  4944. if (is_10g_plus)
  4945. mask = NIG_STATUS_XGXS0_LINK10G;
  4946. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4947. /*
  4948. * Disable the link interrupt by writing 1 to
  4949. * the relevant lane in the status register
  4950. */
  4951. u32 ser_lane =
  4952. ((params->lane_config &
  4953. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4954. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4955. mask = ((1 << ser_lane) <<
  4956. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4957. } else
  4958. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4959. }
  4960. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  4961. mask);
  4962. bnx2x_bits_en(bp,
  4963. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4964. mask);
  4965. }
  4966. }
  4967. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  4968. {
  4969. u8 *str_ptr = str;
  4970. u32 mask = 0xf0000000;
  4971. u8 shift = 8*4;
  4972. u8 digit;
  4973. u8 remove_leading_zeros = 1;
  4974. if (*len < 10) {
  4975. /* Need more than 10chars for this format */
  4976. *str_ptr = '\0';
  4977. (*len)--;
  4978. return -EINVAL;
  4979. }
  4980. while (shift > 0) {
  4981. shift -= 4;
  4982. digit = ((num & mask) >> shift);
  4983. if (digit == 0 && remove_leading_zeros) {
  4984. mask = mask >> 4;
  4985. continue;
  4986. } else if (digit < 0xa)
  4987. *str_ptr = digit + '0';
  4988. else
  4989. *str_ptr = digit - 0xa + 'a';
  4990. remove_leading_zeros = 0;
  4991. str_ptr++;
  4992. (*len)--;
  4993. mask = mask >> 4;
  4994. if (shift == 4*4) {
  4995. *str_ptr = '.';
  4996. str_ptr++;
  4997. (*len)--;
  4998. remove_leading_zeros = 1;
  4999. }
  5000. }
  5001. return 0;
  5002. }
  5003. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5004. {
  5005. str[0] = '\0';
  5006. (*len)--;
  5007. return 0;
  5008. }
  5009. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5010. u8 *version, u16 len)
  5011. {
  5012. struct bnx2x *bp;
  5013. u32 spirom_ver = 0;
  5014. int status = 0;
  5015. u8 *ver_p = version;
  5016. u16 remain_len = len;
  5017. if (version == NULL || params == NULL)
  5018. return -EINVAL;
  5019. bp = params->bp;
  5020. /* Extract first external phy*/
  5021. version[0] = '\0';
  5022. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5023. if (params->phy[EXT_PHY1].format_fw_ver) {
  5024. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5025. ver_p,
  5026. &remain_len);
  5027. ver_p += (len - remain_len);
  5028. }
  5029. if ((params->num_phys == MAX_PHYS) &&
  5030. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5031. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5032. if (params->phy[EXT_PHY2].format_fw_ver) {
  5033. *ver_p = '/';
  5034. ver_p++;
  5035. remain_len--;
  5036. status |= params->phy[EXT_PHY2].format_fw_ver(
  5037. spirom_ver,
  5038. ver_p,
  5039. &remain_len);
  5040. ver_p = version + (len - remain_len);
  5041. }
  5042. }
  5043. *ver_p = '\0';
  5044. return status;
  5045. }
  5046. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5047. struct link_params *params)
  5048. {
  5049. u8 port = params->port;
  5050. struct bnx2x *bp = params->bp;
  5051. if (phy->req_line_speed != SPEED_1000) {
  5052. u32 md_devad = 0;
  5053. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5054. if (!CHIP_IS_E3(bp)) {
  5055. /* change the uni_phy_addr in the nig */
  5056. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5057. port*0x18));
  5058. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5059. 0x5);
  5060. }
  5061. bnx2x_cl45_write(bp, phy,
  5062. 5,
  5063. (MDIO_REG_BANK_AER_BLOCK +
  5064. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5065. 0x2800);
  5066. bnx2x_cl45_write(bp, phy,
  5067. 5,
  5068. (MDIO_REG_BANK_CL73_IEEEB0 +
  5069. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5070. 0x6041);
  5071. msleep(200);
  5072. /* set aer mmd back */
  5073. bnx2x_set_aer_mmd(params, phy);
  5074. if (!CHIP_IS_E3(bp)) {
  5075. /* and md_devad */
  5076. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5077. md_devad);
  5078. }
  5079. } else {
  5080. u16 mii_ctrl;
  5081. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5082. bnx2x_cl45_read(bp, phy, 5,
  5083. (MDIO_REG_BANK_COMBO_IEEE0 +
  5084. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5085. &mii_ctrl);
  5086. bnx2x_cl45_write(bp, phy, 5,
  5087. (MDIO_REG_BANK_COMBO_IEEE0 +
  5088. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5089. mii_ctrl |
  5090. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5091. }
  5092. }
  5093. int bnx2x_set_led(struct link_params *params,
  5094. struct link_vars *vars, u8 mode, u32 speed)
  5095. {
  5096. u8 port = params->port;
  5097. u16 hw_led_mode = params->hw_led_mode;
  5098. int rc = 0;
  5099. u8 phy_idx;
  5100. u32 tmp;
  5101. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5102. struct bnx2x *bp = params->bp;
  5103. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5104. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5105. speed, hw_led_mode);
  5106. /* In case */
  5107. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5108. if (params->phy[phy_idx].set_link_led) {
  5109. params->phy[phy_idx].set_link_led(
  5110. &params->phy[phy_idx], params, mode);
  5111. }
  5112. }
  5113. switch (mode) {
  5114. case LED_MODE_FRONT_PANEL_OFF:
  5115. case LED_MODE_OFF:
  5116. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5117. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5118. SHARED_HW_CFG_LED_MAC1);
  5119. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5120. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5121. break;
  5122. case LED_MODE_OPER:
  5123. /*
  5124. * For all other phys, OPER mode is same as ON, so in case
  5125. * link is down, do nothing
  5126. */
  5127. if (!vars->link_up)
  5128. break;
  5129. case LED_MODE_ON:
  5130. if (((params->phy[EXT_PHY1].type ==
  5131. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5132. (params->phy[EXT_PHY1].type ==
  5133. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5134. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5135. /*
  5136. * This is a work-around for E2+8727 Configurations
  5137. */
  5138. if (mode == LED_MODE_ON ||
  5139. speed == SPEED_10000){
  5140. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5141. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5142. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5143. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5144. (tmp | EMAC_LED_OVERRIDE));
  5145. return rc;
  5146. }
  5147. } else if (SINGLE_MEDIA_DIRECT(params) &&
  5148. (CHIP_IS_E1x(bp) ||
  5149. CHIP_IS_E2(bp))) {
  5150. /*
  5151. * This is a work-around for HW issue found when link
  5152. * is up in CL73
  5153. */
  5154. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5155. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5156. } else {
  5157. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5158. }
  5159. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5160. /* Set blinking rate to ~15.9Hz */
  5161. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5162. LED_BLINK_RATE_VAL);
  5163. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5164. port*4, 1);
  5165. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5166. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5167. if (CHIP_IS_E1(bp) &&
  5168. ((speed == SPEED_2500) ||
  5169. (speed == SPEED_1000) ||
  5170. (speed == SPEED_100) ||
  5171. (speed == SPEED_10))) {
  5172. /*
  5173. * On Everest 1 Ax chip versions for speeds less than
  5174. * 10G LED scheme is different
  5175. */
  5176. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5177. + port*4, 1);
  5178. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5179. port*4, 0);
  5180. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5181. port*4, 1);
  5182. }
  5183. break;
  5184. default:
  5185. rc = -EINVAL;
  5186. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5187. mode);
  5188. break;
  5189. }
  5190. return rc;
  5191. }
  5192. /*
  5193. * This function comes to reflect the actual link state read DIRECTLY from the
  5194. * HW
  5195. */
  5196. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5197. u8 is_serdes)
  5198. {
  5199. struct bnx2x *bp = params->bp;
  5200. u16 gp_status = 0, phy_index = 0;
  5201. u8 ext_phy_link_up = 0, serdes_phy_type;
  5202. struct link_vars temp_vars;
  5203. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5204. if (CHIP_IS_E3(bp)) {
  5205. u16 link_up;
  5206. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5207. > SPEED_10000) {
  5208. /* Check 20G link */
  5209. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5210. 1, &link_up);
  5211. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5212. 1, &link_up);
  5213. link_up &= (1<<2);
  5214. } else {
  5215. /* Check 10G link and below*/
  5216. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5217. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5218. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5219. &gp_status);
  5220. gp_status = ((gp_status >> 8) & 0xf) |
  5221. ((gp_status >> 12) & 0xf);
  5222. link_up = gp_status & (1 << lane);
  5223. }
  5224. if (!link_up)
  5225. return -ESRCH;
  5226. } else {
  5227. CL22_RD_OVER_CL45(bp, int_phy,
  5228. MDIO_REG_BANK_GP_STATUS,
  5229. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5230. &gp_status);
  5231. /* link is up only if both local phy and external phy are up */
  5232. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5233. return -ESRCH;
  5234. }
  5235. /* In XGXS loopback mode, do not check external PHY */
  5236. if (params->loopback_mode == LOOPBACK_XGXS)
  5237. return 0;
  5238. switch (params->num_phys) {
  5239. case 1:
  5240. /* No external PHY */
  5241. return 0;
  5242. case 2:
  5243. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5244. &params->phy[EXT_PHY1],
  5245. params, &temp_vars);
  5246. break;
  5247. case 3: /* Dual Media */
  5248. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5249. phy_index++) {
  5250. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5251. ETH_PHY_SFP_FIBER) ||
  5252. (params->phy[phy_index].media_type ==
  5253. ETH_PHY_XFP_FIBER) ||
  5254. (params->phy[phy_index].media_type ==
  5255. ETH_PHY_DA_TWINAX));
  5256. if (is_serdes != serdes_phy_type)
  5257. continue;
  5258. if (params->phy[phy_index].read_status) {
  5259. ext_phy_link_up |=
  5260. params->phy[phy_index].read_status(
  5261. &params->phy[phy_index],
  5262. params, &temp_vars);
  5263. }
  5264. }
  5265. break;
  5266. }
  5267. if (ext_phy_link_up)
  5268. return 0;
  5269. return -ESRCH;
  5270. }
  5271. static int bnx2x_link_initialize(struct link_params *params,
  5272. struct link_vars *vars)
  5273. {
  5274. int rc = 0;
  5275. u8 phy_index, non_ext_phy;
  5276. struct bnx2x *bp = params->bp;
  5277. /*
  5278. * In case of external phy existence, the line speed would be the
  5279. * line speed linked up by the external phy. In case it is direct
  5280. * only, then the line_speed during initialization will be
  5281. * equal to the req_line_speed
  5282. */
  5283. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5284. /*
  5285. * Initialize the internal phy in case this is a direct board
  5286. * (no external phys), or this board has external phy which requires
  5287. * to first.
  5288. */
  5289. if (!USES_WARPCORE(bp))
  5290. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5291. /* init ext phy and enable link state int */
  5292. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5293. (params->loopback_mode == LOOPBACK_XGXS));
  5294. if (non_ext_phy ||
  5295. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5296. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5297. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5298. if (vars->line_speed == SPEED_AUTO_NEG &&
  5299. (CHIP_IS_E1x(bp) ||
  5300. CHIP_IS_E2(bp)))
  5301. bnx2x_set_parallel_detection(phy, params);
  5302. if (params->phy[INT_PHY].config_init)
  5303. params->phy[INT_PHY].config_init(phy,
  5304. params,
  5305. vars);
  5306. }
  5307. /* Init external phy*/
  5308. if (non_ext_phy) {
  5309. if (params->phy[INT_PHY].supported &
  5310. SUPPORTED_FIBRE)
  5311. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5312. } else {
  5313. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5314. phy_index++) {
  5315. /*
  5316. * No need to initialize second phy in case of first
  5317. * phy only selection. In case of second phy, we do
  5318. * need to initialize the first phy, since they are
  5319. * connected.
  5320. */
  5321. if (params->phy[phy_index].supported &
  5322. SUPPORTED_FIBRE)
  5323. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5324. if (phy_index == EXT_PHY2 &&
  5325. (bnx2x_phy_selection(params) ==
  5326. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5327. DP(NETIF_MSG_LINK, "Not initializing"
  5328. " second phy\n");
  5329. continue;
  5330. }
  5331. params->phy[phy_index].config_init(
  5332. &params->phy[phy_index],
  5333. params, vars);
  5334. }
  5335. }
  5336. /* Reset the interrupt indication after phy was initialized */
  5337. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5338. params->port*4,
  5339. (NIG_STATUS_XGXS0_LINK10G |
  5340. NIG_STATUS_XGXS0_LINK_STATUS |
  5341. NIG_STATUS_SERDES0_LINK_STATUS |
  5342. NIG_MASK_MI_INT));
  5343. bnx2x_update_mng(params, vars->link_status);
  5344. return rc;
  5345. }
  5346. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5347. struct link_params *params)
  5348. {
  5349. /* reset the SerDes/XGXS */
  5350. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5351. (0x1ff << (params->port*16)));
  5352. }
  5353. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5354. struct link_params *params)
  5355. {
  5356. struct bnx2x *bp = params->bp;
  5357. u8 gpio_port;
  5358. /* HW reset */
  5359. if (CHIP_IS_E2(bp))
  5360. gpio_port = BP_PATH(bp);
  5361. else
  5362. gpio_port = params->port;
  5363. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5364. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5365. gpio_port);
  5366. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5367. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5368. gpio_port);
  5369. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5370. }
  5371. static int bnx2x_update_link_down(struct link_params *params,
  5372. struct link_vars *vars)
  5373. {
  5374. struct bnx2x *bp = params->bp;
  5375. u8 port = params->port;
  5376. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5377. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5378. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5379. /* indicate no mac active */
  5380. vars->mac_type = MAC_TYPE_NONE;
  5381. /* update shared memory */
  5382. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5383. LINK_STATUS_LINK_UP |
  5384. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5385. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5386. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5387. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5388. vars->line_speed = 0;
  5389. bnx2x_update_mng(params, vars->link_status);
  5390. /* activate nig drain */
  5391. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5392. /* disable emac */
  5393. if (!CHIP_IS_E3(bp))
  5394. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5395. msleep(10);
  5396. /* reset BigMac/Xmac */
  5397. if (CHIP_IS_E1x(bp) ||
  5398. CHIP_IS_E2(bp)) {
  5399. bnx2x_bmac_rx_disable(bp, params->port);
  5400. REG_WR(bp, GRCBASE_MISC +
  5401. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5402. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5403. }
  5404. if (CHIP_IS_E3(bp))
  5405. bnx2x_xmac_disable(params);
  5406. return 0;
  5407. }
  5408. static int bnx2x_update_link_up(struct link_params *params,
  5409. struct link_vars *vars,
  5410. u8 link_10g)
  5411. {
  5412. struct bnx2x *bp = params->bp;
  5413. u8 port = params->port;
  5414. int rc = 0;
  5415. vars->link_status |= LINK_STATUS_LINK_UP;
  5416. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5417. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5418. vars->link_status |=
  5419. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5420. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5421. vars->link_status |=
  5422. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5423. if (USES_WARPCORE(bp)) {
  5424. if (link_10g) {
  5425. if (bnx2x_xmac_enable(params, vars, 0) ==
  5426. -ESRCH) {
  5427. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5428. vars->link_up = 0;
  5429. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5430. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5431. }
  5432. } else
  5433. bnx2x_umac_enable(params, vars, 0);
  5434. bnx2x_set_led(params, vars,
  5435. LED_MODE_OPER, vars->line_speed);
  5436. }
  5437. if ((CHIP_IS_E1x(bp) ||
  5438. CHIP_IS_E2(bp))) {
  5439. if (link_10g) {
  5440. if (bnx2x_bmac_enable(params, vars, 0) ==
  5441. -ESRCH) {
  5442. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5443. vars->link_up = 0;
  5444. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5445. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5446. }
  5447. bnx2x_set_led(params, vars,
  5448. LED_MODE_OPER, SPEED_10000);
  5449. } else {
  5450. rc = bnx2x_emac_program(params, vars);
  5451. bnx2x_emac_enable(params, vars, 0);
  5452. /* AN complete? */
  5453. if ((vars->link_status &
  5454. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5455. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5456. SINGLE_MEDIA_DIRECT(params))
  5457. bnx2x_set_gmii_tx_driver(params);
  5458. }
  5459. }
  5460. /* PBF - link up */
  5461. if (CHIP_IS_E1x(bp))
  5462. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5463. vars->line_speed);
  5464. /* disable drain */
  5465. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5466. /* update shared memory */
  5467. bnx2x_update_mng(params, vars->link_status);
  5468. msleep(20);
  5469. return rc;
  5470. }
  5471. /*
  5472. * The bnx2x_link_update function should be called upon link
  5473. * interrupt.
  5474. * Link is considered up as follows:
  5475. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5476. * to be up
  5477. * - SINGLE_MEDIA - The link between the 577xx and the external
  5478. * phy (XGXS) need to up as well as the external link of the
  5479. * phy (PHY_EXT1)
  5480. * - DUAL_MEDIA - The link between the 577xx and the first
  5481. * external phy needs to be up, and at least one of the 2
  5482. * external phy link must be up.
  5483. */
  5484. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5485. {
  5486. struct bnx2x *bp = params->bp;
  5487. struct link_vars phy_vars[MAX_PHYS];
  5488. u8 port = params->port;
  5489. u8 link_10g_plus, phy_index;
  5490. u8 ext_phy_link_up = 0, cur_link_up;
  5491. int rc = 0;
  5492. u8 is_mi_int = 0;
  5493. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5494. u8 active_external_phy = INT_PHY;
  5495. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5496. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5497. phy_index++) {
  5498. phy_vars[phy_index].flow_ctrl = 0;
  5499. phy_vars[phy_index].link_status = 0;
  5500. phy_vars[phy_index].line_speed = 0;
  5501. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5502. phy_vars[phy_index].phy_link_up = 0;
  5503. phy_vars[phy_index].link_up = 0;
  5504. phy_vars[phy_index].fault_detected = 0;
  5505. }
  5506. if (USES_WARPCORE(bp))
  5507. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5508. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5509. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5510. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5511. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5512. port*0x18) > 0);
  5513. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5514. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5515. is_mi_int,
  5516. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5517. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5518. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5519. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5520. /* disable emac */
  5521. if (!CHIP_IS_E3(bp))
  5522. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5523. /*
  5524. * Step 1:
  5525. * Check external link change only for external phys, and apply
  5526. * priority selection between them in case the link on both phys
  5527. * is up. Note that instead of the common vars, a temporary
  5528. * vars argument is used since each phy may have different link/
  5529. * speed/duplex result
  5530. */
  5531. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5532. phy_index++) {
  5533. struct bnx2x_phy *phy = &params->phy[phy_index];
  5534. if (!phy->read_status)
  5535. continue;
  5536. /* Read link status and params of this ext phy */
  5537. cur_link_up = phy->read_status(phy, params,
  5538. &phy_vars[phy_index]);
  5539. if (cur_link_up) {
  5540. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5541. phy_index);
  5542. } else {
  5543. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5544. phy_index);
  5545. continue;
  5546. }
  5547. if (!ext_phy_link_up) {
  5548. ext_phy_link_up = 1;
  5549. active_external_phy = phy_index;
  5550. } else {
  5551. switch (bnx2x_phy_selection(params)) {
  5552. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5553. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5554. /*
  5555. * In this option, the first PHY makes sure to pass the
  5556. * traffic through itself only.
  5557. * Its not clear how to reset the link on the second phy
  5558. */
  5559. active_external_phy = EXT_PHY1;
  5560. break;
  5561. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5562. /*
  5563. * In this option, the first PHY makes sure to pass the
  5564. * traffic through the second PHY.
  5565. */
  5566. active_external_phy = EXT_PHY2;
  5567. break;
  5568. default:
  5569. /*
  5570. * Link indication on both PHYs with the following cases
  5571. * is invalid:
  5572. * - FIRST_PHY means that second phy wasn't initialized,
  5573. * hence its link is expected to be down
  5574. * - SECOND_PHY means that first phy should not be able
  5575. * to link up by itself (using configuration)
  5576. * - DEFAULT should be overriden during initialiazation
  5577. */
  5578. DP(NETIF_MSG_LINK, "Invalid link indication"
  5579. "mpc=0x%x. DISABLING LINK !!!\n",
  5580. params->multi_phy_config);
  5581. ext_phy_link_up = 0;
  5582. break;
  5583. }
  5584. }
  5585. }
  5586. prev_line_speed = vars->line_speed;
  5587. /*
  5588. * Step 2:
  5589. * Read the status of the internal phy. In case of
  5590. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5591. * otherwise this is the link between the 577xx and the first
  5592. * external phy
  5593. */
  5594. if (params->phy[INT_PHY].read_status)
  5595. params->phy[INT_PHY].read_status(
  5596. &params->phy[INT_PHY],
  5597. params, vars);
  5598. /*
  5599. * The INT_PHY flow control reside in the vars. This include the
  5600. * case where the speed or flow control are not set to AUTO.
  5601. * Otherwise, the active external phy flow control result is set
  5602. * to the vars. The ext_phy_line_speed is needed to check if the
  5603. * speed is different between the internal phy and external phy.
  5604. * This case may be result of intermediate link speed change.
  5605. */
  5606. if (active_external_phy > INT_PHY) {
  5607. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5608. /*
  5609. * Link speed is taken from the XGXS. AN and FC result from
  5610. * the external phy.
  5611. */
  5612. vars->link_status |= phy_vars[active_external_phy].link_status;
  5613. /*
  5614. * if active_external_phy is first PHY and link is up - disable
  5615. * disable TX on second external PHY
  5616. */
  5617. if (active_external_phy == EXT_PHY1) {
  5618. if (params->phy[EXT_PHY2].phy_specific_func) {
  5619. DP(NETIF_MSG_LINK, "Disabling TX on"
  5620. " EXT_PHY2\n");
  5621. params->phy[EXT_PHY2].phy_specific_func(
  5622. &params->phy[EXT_PHY2],
  5623. params, DISABLE_TX);
  5624. }
  5625. }
  5626. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5627. vars->duplex = phy_vars[active_external_phy].duplex;
  5628. if (params->phy[active_external_phy].supported &
  5629. SUPPORTED_FIBRE)
  5630. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5631. else
  5632. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5633. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5634. active_external_phy);
  5635. }
  5636. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5637. phy_index++) {
  5638. if (params->phy[phy_index].flags &
  5639. FLAGS_REARM_LATCH_SIGNAL) {
  5640. bnx2x_rearm_latch_signal(bp, port,
  5641. phy_index ==
  5642. active_external_phy);
  5643. break;
  5644. }
  5645. }
  5646. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5647. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5648. vars->link_status, ext_phy_line_speed);
  5649. /*
  5650. * Upon link speed change set the NIG into drain mode. Comes to
  5651. * deals with possible FIFO glitch due to clk change when speed
  5652. * is decreased without link down indicator
  5653. */
  5654. if (vars->phy_link_up) {
  5655. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5656. (ext_phy_line_speed != vars->line_speed)) {
  5657. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5658. " different than the external"
  5659. " link speed %d\n", vars->line_speed,
  5660. ext_phy_line_speed);
  5661. vars->phy_link_up = 0;
  5662. } else if (prev_line_speed != vars->line_speed) {
  5663. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5664. 0);
  5665. msleep(1);
  5666. }
  5667. }
  5668. /* anything 10 and over uses the bmac */
  5669. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5670. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5671. /*
  5672. * In case external phy link is up, and internal link is down
  5673. * (not initialized yet probably after link initialization, it
  5674. * needs to be initialized.
  5675. * Note that after link down-up as result of cable plug, the xgxs
  5676. * link would probably become up again without the need
  5677. * initialize it
  5678. */
  5679. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5680. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5681. " init_preceding = %d\n", ext_phy_link_up,
  5682. vars->phy_link_up,
  5683. params->phy[EXT_PHY1].flags &
  5684. FLAGS_INIT_XGXS_FIRST);
  5685. if (!(params->phy[EXT_PHY1].flags &
  5686. FLAGS_INIT_XGXS_FIRST)
  5687. && ext_phy_link_up && !vars->phy_link_up) {
  5688. vars->line_speed = ext_phy_line_speed;
  5689. if (vars->line_speed < SPEED_1000)
  5690. vars->phy_flags |= PHY_SGMII_FLAG;
  5691. else
  5692. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5693. if (params->phy[INT_PHY].config_init)
  5694. params->phy[INT_PHY].config_init(
  5695. &params->phy[INT_PHY], params,
  5696. vars);
  5697. }
  5698. }
  5699. /*
  5700. * Link is up only if both local phy and external phy (in case of
  5701. * non-direct board) are up and no fault detected on active PHY.
  5702. */
  5703. vars->link_up = (vars->phy_link_up &&
  5704. (ext_phy_link_up ||
  5705. SINGLE_MEDIA_DIRECT(params)) &&
  5706. (phy_vars[active_external_phy].fault_detected == 0));
  5707. if (vars->link_up)
  5708. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5709. else
  5710. rc = bnx2x_update_link_down(params, vars);
  5711. return rc;
  5712. }
  5713. /*****************************************************************************/
  5714. /* External Phy section */
  5715. /*****************************************************************************/
  5716. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5717. {
  5718. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5719. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5720. msleep(1);
  5721. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5722. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5723. }
  5724. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5725. u32 spirom_ver, u32 ver_addr)
  5726. {
  5727. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5728. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5729. if (ver_addr)
  5730. REG_WR(bp, ver_addr, spirom_ver);
  5731. }
  5732. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5733. struct bnx2x_phy *phy,
  5734. u8 port)
  5735. {
  5736. u16 fw_ver1, fw_ver2;
  5737. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5738. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5739. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5740. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5741. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5742. phy->ver_addr);
  5743. }
  5744. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5745. struct bnx2x_phy *phy,
  5746. struct link_vars *vars)
  5747. {
  5748. u16 val;
  5749. bnx2x_cl45_read(bp, phy,
  5750. MDIO_AN_DEVAD,
  5751. MDIO_AN_REG_STATUS, &val);
  5752. bnx2x_cl45_read(bp, phy,
  5753. MDIO_AN_DEVAD,
  5754. MDIO_AN_REG_STATUS, &val);
  5755. if (val & (1<<5))
  5756. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5757. if ((val & (1<<0)) == 0)
  5758. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5759. }
  5760. /******************************************************************/
  5761. /* common BCM8073/BCM8727 PHY SECTION */
  5762. /******************************************************************/
  5763. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5764. struct link_params *params,
  5765. struct link_vars *vars)
  5766. {
  5767. struct bnx2x *bp = params->bp;
  5768. if (phy->req_line_speed == SPEED_10 ||
  5769. phy->req_line_speed == SPEED_100) {
  5770. vars->flow_ctrl = phy->req_flow_ctrl;
  5771. return;
  5772. }
  5773. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5774. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5775. u16 pause_result;
  5776. u16 ld_pause; /* local */
  5777. u16 lp_pause; /* link partner */
  5778. bnx2x_cl45_read(bp, phy,
  5779. MDIO_AN_DEVAD,
  5780. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5781. bnx2x_cl45_read(bp, phy,
  5782. MDIO_AN_DEVAD,
  5783. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5784. pause_result = (ld_pause &
  5785. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5786. pause_result |= (lp_pause &
  5787. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5788. bnx2x_pause_resolve(vars, pause_result);
  5789. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5790. pause_result);
  5791. }
  5792. }
  5793. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5794. struct bnx2x_phy *phy,
  5795. u8 port)
  5796. {
  5797. u32 count = 0;
  5798. u16 fw_ver1, fw_msgout;
  5799. int rc = 0;
  5800. /* Boot port from external ROM */
  5801. /* EDC grst */
  5802. bnx2x_cl45_write(bp, phy,
  5803. MDIO_PMA_DEVAD,
  5804. MDIO_PMA_REG_GEN_CTRL,
  5805. 0x0001);
  5806. /* ucode reboot and rst */
  5807. bnx2x_cl45_write(bp, phy,
  5808. MDIO_PMA_DEVAD,
  5809. MDIO_PMA_REG_GEN_CTRL,
  5810. 0x008c);
  5811. bnx2x_cl45_write(bp, phy,
  5812. MDIO_PMA_DEVAD,
  5813. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5814. /* Reset internal microprocessor */
  5815. bnx2x_cl45_write(bp, phy,
  5816. MDIO_PMA_DEVAD,
  5817. MDIO_PMA_REG_GEN_CTRL,
  5818. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5819. /* Release srst bit */
  5820. bnx2x_cl45_write(bp, phy,
  5821. MDIO_PMA_DEVAD,
  5822. MDIO_PMA_REG_GEN_CTRL,
  5823. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5824. /* Delay 100ms per the PHY specifications */
  5825. msleep(100);
  5826. /* 8073 sometimes taking longer to download */
  5827. do {
  5828. count++;
  5829. if (count > 300) {
  5830. DP(NETIF_MSG_LINK,
  5831. "bnx2x_8073_8727_external_rom_boot port %x:"
  5832. "Download failed. fw version = 0x%x\n",
  5833. port, fw_ver1);
  5834. rc = -EINVAL;
  5835. break;
  5836. }
  5837. bnx2x_cl45_read(bp, phy,
  5838. MDIO_PMA_DEVAD,
  5839. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5840. bnx2x_cl45_read(bp, phy,
  5841. MDIO_PMA_DEVAD,
  5842. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5843. msleep(1);
  5844. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5845. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5846. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5847. /* Clear ser_boot_ctl bit */
  5848. bnx2x_cl45_write(bp, phy,
  5849. MDIO_PMA_DEVAD,
  5850. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5851. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5852. DP(NETIF_MSG_LINK,
  5853. "bnx2x_8073_8727_external_rom_boot port %x:"
  5854. "Download complete. fw version = 0x%x\n",
  5855. port, fw_ver1);
  5856. return rc;
  5857. }
  5858. /******************************************************************/
  5859. /* BCM8073 PHY SECTION */
  5860. /******************************************************************/
  5861. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5862. {
  5863. /* This is only required for 8073A1, version 102 only */
  5864. u16 val;
  5865. /* Read 8073 HW revision*/
  5866. bnx2x_cl45_read(bp, phy,
  5867. MDIO_PMA_DEVAD,
  5868. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5869. if (val != 1) {
  5870. /* No need to workaround in 8073 A1 */
  5871. return 0;
  5872. }
  5873. bnx2x_cl45_read(bp, phy,
  5874. MDIO_PMA_DEVAD,
  5875. MDIO_PMA_REG_ROM_VER2, &val);
  5876. /* SNR should be applied only for version 0x102 */
  5877. if (val != 0x102)
  5878. return 0;
  5879. return 1;
  5880. }
  5881. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5882. {
  5883. u16 val, cnt, cnt1 ;
  5884. bnx2x_cl45_read(bp, phy,
  5885. MDIO_PMA_DEVAD,
  5886. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5887. if (val > 0) {
  5888. /* No need to workaround in 8073 A1 */
  5889. return 0;
  5890. }
  5891. /* XAUI workaround in 8073 A0: */
  5892. /*
  5893. * After loading the boot ROM and restarting Autoneg, poll
  5894. * Dev1, Reg $C820:
  5895. */
  5896. for (cnt = 0; cnt < 1000; cnt++) {
  5897. bnx2x_cl45_read(bp, phy,
  5898. MDIO_PMA_DEVAD,
  5899. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5900. &val);
  5901. /*
  5902. * If bit [14] = 0 or bit [13] = 0, continue on with
  5903. * system initialization (XAUI work-around not required, as
  5904. * these bits indicate 2.5G or 1G link up).
  5905. */
  5906. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5907. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5908. return 0;
  5909. } else if (!(val & (1<<15))) {
  5910. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5911. /*
  5912. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5913. * MSB (bit15) goes to 1 (indicating that the XAUI
  5914. * workaround has completed), then continue on with
  5915. * system initialization.
  5916. */
  5917. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5918. bnx2x_cl45_read(bp, phy,
  5919. MDIO_PMA_DEVAD,
  5920. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5921. if (val & (1<<15)) {
  5922. DP(NETIF_MSG_LINK,
  5923. "XAUI workaround has completed\n");
  5924. return 0;
  5925. }
  5926. msleep(3);
  5927. }
  5928. break;
  5929. }
  5930. msleep(3);
  5931. }
  5932. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5933. return -EINVAL;
  5934. }
  5935. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5936. {
  5937. /* Force KR or KX */
  5938. bnx2x_cl45_write(bp, phy,
  5939. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5940. bnx2x_cl45_write(bp, phy,
  5941. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5942. bnx2x_cl45_write(bp, phy,
  5943. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5944. bnx2x_cl45_write(bp, phy,
  5945. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5946. }
  5947. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5948. struct bnx2x_phy *phy,
  5949. struct link_vars *vars)
  5950. {
  5951. u16 cl37_val;
  5952. struct bnx2x *bp = params->bp;
  5953. bnx2x_cl45_read(bp, phy,
  5954. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  5955. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5956. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  5957. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5958. if ((vars->ieee_fc &
  5959. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  5960. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  5961. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  5962. }
  5963. if ((vars->ieee_fc &
  5964. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  5965. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  5966. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  5967. }
  5968. if ((vars->ieee_fc &
  5969. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  5970. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  5971. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5972. }
  5973. DP(NETIF_MSG_LINK,
  5974. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  5975. bnx2x_cl45_write(bp, phy,
  5976. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  5977. msleep(500);
  5978. }
  5979. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  5980. struct link_params *params,
  5981. struct link_vars *vars)
  5982. {
  5983. struct bnx2x *bp = params->bp;
  5984. u16 val = 0, tmp1;
  5985. u8 gpio_port;
  5986. DP(NETIF_MSG_LINK, "Init 8073\n");
  5987. if (CHIP_IS_E2(bp))
  5988. gpio_port = BP_PATH(bp);
  5989. else
  5990. gpio_port = params->port;
  5991. /* Restore normal power mode*/
  5992. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5993. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  5994. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5995. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  5996. /* enable LASI */
  5997. bnx2x_cl45_write(bp, phy,
  5998. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  5999. bnx2x_cl45_write(bp, phy,
  6000. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  6001. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6002. bnx2x_cl45_read(bp, phy,
  6003. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6004. bnx2x_cl45_read(bp, phy,
  6005. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  6006. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6007. /* Swap polarity if required - Must be done only in non-1G mode */
  6008. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6009. /* Configure the 8073 to swap _P and _N of the KR lines */
  6010. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6011. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6012. bnx2x_cl45_read(bp, phy,
  6013. MDIO_PMA_DEVAD,
  6014. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6015. bnx2x_cl45_write(bp, phy,
  6016. MDIO_PMA_DEVAD,
  6017. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6018. (val | (3<<9)));
  6019. }
  6020. /* Enable CL37 BAM */
  6021. if (REG_RD(bp, params->shmem_base +
  6022. offsetof(struct shmem_region, dev_info.
  6023. port_hw_config[params->port].default_cfg)) &
  6024. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6025. bnx2x_cl45_read(bp, phy,
  6026. MDIO_AN_DEVAD,
  6027. MDIO_AN_REG_8073_BAM, &val);
  6028. bnx2x_cl45_write(bp, phy,
  6029. MDIO_AN_DEVAD,
  6030. MDIO_AN_REG_8073_BAM, val | 1);
  6031. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6032. }
  6033. if (params->loopback_mode == LOOPBACK_EXT) {
  6034. bnx2x_807x_force_10G(bp, phy);
  6035. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6036. return 0;
  6037. } else {
  6038. bnx2x_cl45_write(bp, phy,
  6039. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6040. }
  6041. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6042. if (phy->req_line_speed == SPEED_10000) {
  6043. val = (1<<7);
  6044. } else if (phy->req_line_speed == SPEED_2500) {
  6045. val = (1<<5);
  6046. /*
  6047. * Note that 2.5G works only when used with 1G
  6048. * advertisement
  6049. */
  6050. } else
  6051. val = (1<<5);
  6052. } else {
  6053. val = 0;
  6054. if (phy->speed_cap_mask &
  6055. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6056. val |= (1<<7);
  6057. /* Note that 2.5G works only when used with 1G advertisement */
  6058. if (phy->speed_cap_mask &
  6059. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6060. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6061. val |= (1<<5);
  6062. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6063. }
  6064. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6065. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6066. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6067. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6068. (phy->req_line_speed == SPEED_2500)) {
  6069. u16 phy_ver;
  6070. /* Allow 2.5G for A1 and above */
  6071. bnx2x_cl45_read(bp, phy,
  6072. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6073. &phy_ver);
  6074. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6075. if (phy_ver > 0)
  6076. tmp1 |= 1;
  6077. else
  6078. tmp1 &= 0xfffe;
  6079. } else {
  6080. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6081. tmp1 &= 0xfffe;
  6082. }
  6083. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6084. /* Add support for CL37 (passive mode) II */
  6085. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6086. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6087. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6088. 0x20 : 0x40)));
  6089. /* Add support for CL37 (passive mode) III */
  6090. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6091. /*
  6092. * The SNR will improve about 2db by changing BW and FEE main
  6093. * tap. Rest commands are executed after link is up
  6094. * Change FFE main cursor to 5 in EDC register
  6095. */
  6096. if (bnx2x_8073_is_snr_needed(bp, phy))
  6097. bnx2x_cl45_write(bp, phy,
  6098. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6099. 0xFB0C);
  6100. /* Enable FEC (Forware Error Correction) Request in the AN */
  6101. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6102. tmp1 |= (1<<15);
  6103. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6104. bnx2x_ext_phy_set_pause(params, phy, vars);
  6105. /* Restart autoneg */
  6106. msleep(500);
  6107. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6108. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6109. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6110. return 0;
  6111. }
  6112. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6113. struct link_params *params,
  6114. struct link_vars *vars)
  6115. {
  6116. struct bnx2x *bp = params->bp;
  6117. u8 link_up = 0;
  6118. u16 val1, val2;
  6119. u16 link_status = 0;
  6120. u16 an1000_status = 0;
  6121. bnx2x_cl45_read(bp, phy,
  6122. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  6123. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6124. /* clear the interrupt LASI status register */
  6125. bnx2x_cl45_read(bp, phy,
  6126. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6127. bnx2x_cl45_read(bp, phy,
  6128. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6129. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6130. /* Clear MSG-OUT */
  6131. bnx2x_cl45_read(bp, phy,
  6132. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6133. /* Check the LASI */
  6134. bnx2x_cl45_read(bp, phy,
  6135. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  6136. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6137. /* Check the link status */
  6138. bnx2x_cl45_read(bp, phy,
  6139. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6140. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6141. bnx2x_cl45_read(bp, phy,
  6142. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6143. bnx2x_cl45_read(bp, phy,
  6144. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6145. link_up = ((val1 & 4) == 4);
  6146. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6147. if (link_up &&
  6148. ((phy->req_line_speed != SPEED_10000))) {
  6149. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6150. return 0;
  6151. }
  6152. bnx2x_cl45_read(bp, phy,
  6153. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6154. bnx2x_cl45_read(bp, phy,
  6155. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6156. /* Check the link status on 1.1.2 */
  6157. bnx2x_cl45_read(bp, phy,
  6158. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6159. bnx2x_cl45_read(bp, phy,
  6160. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6161. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6162. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6163. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6164. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6165. /*
  6166. * The SNR will improve about 2dbby changing the BW and FEE main
  6167. * tap. The 1st write to change FFE main tap is set before
  6168. * restart AN. Change PLL Bandwidth in EDC register
  6169. */
  6170. bnx2x_cl45_write(bp, phy,
  6171. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6172. 0x26BC);
  6173. /* Change CDR Bandwidth in EDC register */
  6174. bnx2x_cl45_write(bp, phy,
  6175. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6176. 0x0333);
  6177. }
  6178. bnx2x_cl45_read(bp, phy,
  6179. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6180. &link_status);
  6181. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6182. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6183. link_up = 1;
  6184. vars->line_speed = SPEED_10000;
  6185. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6186. params->port);
  6187. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6188. link_up = 1;
  6189. vars->line_speed = SPEED_2500;
  6190. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6191. params->port);
  6192. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6193. link_up = 1;
  6194. vars->line_speed = SPEED_1000;
  6195. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6196. params->port);
  6197. } else {
  6198. link_up = 0;
  6199. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6200. params->port);
  6201. }
  6202. if (link_up) {
  6203. /* Swap polarity if required */
  6204. if (params->lane_config &
  6205. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6206. /* Configure the 8073 to swap P and N of the KR lines */
  6207. bnx2x_cl45_read(bp, phy,
  6208. MDIO_XS_DEVAD,
  6209. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6210. /*
  6211. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6212. * when it`s in 10G mode.
  6213. */
  6214. if (vars->line_speed == SPEED_1000) {
  6215. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6216. "the 8073\n");
  6217. val1 |= (1<<3);
  6218. } else
  6219. val1 &= ~(1<<3);
  6220. bnx2x_cl45_write(bp, phy,
  6221. MDIO_XS_DEVAD,
  6222. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6223. val1);
  6224. }
  6225. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6226. bnx2x_8073_resolve_fc(phy, params, vars);
  6227. vars->duplex = DUPLEX_FULL;
  6228. }
  6229. return link_up;
  6230. }
  6231. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6232. struct link_params *params)
  6233. {
  6234. struct bnx2x *bp = params->bp;
  6235. u8 gpio_port;
  6236. if (CHIP_IS_E2(bp))
  6237. gpio_port = BP_PATH(bp);
  6238. else
  6239. gpio_port = params->port;
  6240. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6241. gpio_port);
  6242. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6243. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6244. gpio_port);
  6245. }
  6246. /******************************************************************/
  6247. /* BCM8705 PHY SECTION */
  6248. /******************************************************************/
  6249. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6250. struct link_params *params,
  6251. struct link_vars *vars)
  6252. {
  6253. struct bnx2x *bp = params->bp;
  6254. DP(NETIF_MSG_LINK, "init 8705\n");
  6255. /* Restore normal power mode*/
  6256. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6257. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6258. /* HW reset */
  6259. bnx2x_ext_phy_hw_reset(bp, params->port);
  6260. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6261. bnx2x_wait_reset_complete(bp, phy, params);
  6262. bnx2x_cl45_write(bp, phy,
  6263. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6264. bnx2x_cl45_write(bp, phy,
  6265. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6266. bnx2x_cl45_write(bp, phy,
  6267. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6268. bnx2x_cl45_write(bp, phy,
  6269. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6270. /* BCM8705 doesn't have microcode, hence the 0 */
  6271. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6272. return 0;
  6273. }
  6274. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6275. struct link_params *params,
  6276. struct link_vars *vars)
  6277. {
  6278. u8 link_up = 0;
  6279. u16 val1, rx_sd;
  6280. struct bnx2x *bp = params->bp;
  6281. DP(NETIF_MSG_LINK, "read status 8705\n");
  6282. bnx2x_cl45_read(bp, phy,
  6283. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6284. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6285. bnx2x_cl45_read(bp, phy,
  6286. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6287. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6288. bnx2x_cl45_read(bp, phy,
  6289. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6290. bnx2x_cl45_read(bp, phy,
  6291. MDIO_PMA_DEVAD, 0xc809, &val1);
  6292. bnx2x_cl45_read(bp, phy,
  6293. MDIO_PMA_DEVAD, 0xc809, &val1);
  6294. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6295. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6296. if (link_up) {
  6297. vars->line_speed = SPEED_10000;
  6298. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6299. }
  6300. return link_up;
  6301. }
  6302. /******************************************************************/
  6303. /* SFP+ module Section */
  6304. /******************************************************************/
  6305. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6306. {
  6307. u8 gpio_port;
  6308. u32 swap_val, swap_override;
  6309. struct bnx2x *bp = params->bp;
  6310. if (CHIP_IS_E2(bp))
  6311. gpio_port = BP_PATH(bp);
  6312. else
  6313. gpio_port = params->port;
  6314. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6315. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6316. return gpio_port ^ (swap_val && swap_override);
  6317. }
  6318. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6319. struct bnx2x_phy *phy,
  6320. u8 tx_en)
  6321. {
  6322. u16 val;
  6323. u8 port = params->port;
  6324. struct bnx2x *bp = params->bp;
  6325. u32 tx_en_mode;
  6326. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6327. tx_en_mode = REG_RD(bp, params->shmem_base +
  6328. offsetof(struct shmem_region,
  6329. dev_info.port_hw_config[port].sfp_ctrl)) &
  6330. PORT_HW_CFG_TX_LASER_MASK;
  6331. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6332. "mode = %x\n", tx_en, port, tx_en_mode);
  6333. switch (tx_en_mode) {
  6334. case PORT_HW_CFG_TX_LASER_MDIO:
  6335. bnx2x_cl45_read(bp, phy,
  6336. MDIO_PMA_DEVAD,
  6337. MDIO_PMA_REG_PHY_IDENTIFIER,
  6338. &val);
  6339. if (tx_en)
  6340. val &= ~(1<<15);
  6341. else
  6342. val |= (1<<15);
  6343. bnx2x_cl45_write(bp, phy,
  6344. MDIO_PMA_DEVAD,
  6345. MDIO_PMA_REG_PHY_IDENTIFIER,
  6346. val);
  6347. break;
  6348. case PORT_HW_CFG_TX_LASER_GPIO0:
  6349. case PORT_HW_CFG_TX_LASER_GPIO1:
  6350. case PORT_HW_CFG_TX_LASER_GPIO2:
  6351. case PORT_HW_CFG_TX_LASER_GPIO3:
  6352. {
  6353. u16 gpio_pin;
  6354. u8 gpio_port, gpio_mode;
  6355. if (tx_en)
  6356. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6357. else
  6358. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6359. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6360. gpio_port = bnx2x_get_gpio_port(params);
  6361. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6362. break;
  6363. }
  6364. default:
  6365. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6366. break;
  6367. }
  6368. }
  6369. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6370. struct bnx2x_phy *phy,
  6371. u8 tx_en)
  6372. {
  6373. struct bnx2x *bp = params->bp;
  6374. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6375. if (CHIP_IS_E3(bp))
  6376. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6377. else
  6378. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6379. }
  6380. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6381. struct link_params *params,
  6382. u16 addr, u8 byte_cnt, u8 *o_buf)
  6383. {
  6384. struct bnx2x *bp = params->bp;
  6385. u16 val = 0;
  6386. u16 i;
  6387. if (byte_cnt > 16) {
  6388. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6389. " is limited to 0xf\n");
  6390. return -EINVAL;
  6391. }
  6392. /* Set the read command byte count */
  6393. bnx2x_cl45_write(bp, phy,
  6394. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6395. (byte_cnt | 0xa000));
  6396. /* Set the read command address */
  6397. bnx2x_cl45_write(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6399. addr);
  6400. /* Activate read command */
  6401. bnx2x_cl45_write(bp, phy,
  6402. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6403. 0x2c0f);
  6404. /* Wait up to 500us for command complete status */
  6405. for (i = 0; i < 100; i++) {
  6406. bnx2x_cl45_read(bp, phy,
  6407. MDIO_PMA_DEVAD,
  6408. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6409. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6410. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6411. break;
  6412. udelay(5);
  6413. }
  6414. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6415. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6416. DP(NETIF_MSG_LINK,
  6417. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6418. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6419. return -EINVAL;
  6420. }
  6421. /* Read the buffer */
  6422. for (i = 0; i < byte_cnt; i++) {
  6423. bnx2x_cl45_read(bp, phy,
  6424. MDIO_PMA_DEVAD,
  6425. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6426. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6427. }
  6428. for (i = 0; i < 100; i++) {
  6429. bnx2x_cl45_read(bp, phy,
  6430. MDIO_PMA_DEVAD,
  6431. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6432. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6433. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6434. return 0;
  6435. msleep(1);
  6436. }
  6437. return -EINVAL;
  6438. }
  6439. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6440. struct link_params *params,
  6441. u16 addr, u8 byte_cnt,
  6442. u8 *o_buf)
  6443. {
  6444. int rc = 0;
  6445. u8 i, j = 0, cnt = 0;
  6446. u32 data_array[4];
  6447. u16 addr32;
  6448. struct bnx2x *bp = params->bp;
  6449. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6450. " addr %d, cnt %d\n",
  6451. addr, byte_cnt);*/
  6452. if (byte_cnt > 16) {
  6453. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6454. " is limited to 16 bytes\n");
  6455. return -EINVAL;
  6456. }
  6457. /* 4 byte aligned address */
  6458. addr32 = addr & (~0x3);
  6459. do {
  6460. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6461. data_array);
  6462. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6463. if (rc == 0) {
  6464. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6465. o_buf[j] = *((u8 *)data_array + i);
  6466. j++;
  6467. }
  6468. }
  6469. return rc;
  6470. }
  6471. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6472. struct link_params *params,
  6473. u16 addr, u8 byte_cnt, u8 *o_buf)
  6474. {
  6475. struct bnx2x *bp = params->bp;
  6476. u16 val, i;
  6477. if (byte_cnt > 16) {
  6478. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6479. " is limited to 0xf\n");
  6480. return -EINVAL;
  6481. }
  6482. /* Need to read from 1.8000 to clear it */
  6483. bnx2x_cl45_read(bp, phy,
  6484. MDIO_PMA_DEVAD,
  6485. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6486. &val);
  6487. /* Set the read command byte count */
  6488. bnx2x_cl45_write(bp, phy,
  6489. MDIO_PMA_DEVAD,
  6490. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6491. ((byte_cnt < 2) ? 2 : byte_cnt));
  6492. /* Set the read command address */
  6493. bnx2x_cl45_write(bp, phy,
  6494. MDIO_PMA_DEVAD,
  6495. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6496. addr);
  6497. /* Set the destination address */
  6498. bnx2x_cl45_write(bp, phy,
  6499. MDIO_PMA_DEVAD,
  6500. 0x8004,
  6501. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6502. /* Activate read command */
  6503. bnx2x_cl45_write(bp, phy,
  6504. MDIO_PMA_DEVAD,
  6505. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6506. 0x8002);
  6507. /*
  6508. * Wait appropriate time for two-wire command to finish before
  6509. * polling the status register
  6510. */
  6511. msleep(1);
  6512. /* Wait up to 500us for command complete status */
  6513. for (i = 0; i < 100; i++) {
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_PMA_DEVAD,
  6516. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6517. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6518. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6519. break;
  6520. udelay(5);
  6521. }
  6522. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6523. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6524. DP(NETIF_MSG_LINK,
  6525. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6526. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6527. return -EFAULT;
  6528. }
  6529. /* Read the buffer */
  6530. for (i = 0; i < byte_cnt; i++) {
  6531. bnx2x_cl45_read(bp, phy,
  6532. MDIO_PMA_DEVAD,
  6533. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6534. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6535. }
  6536. for (i = 0; i < 100; i++) {
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PMA_DEVAD,
  6539. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6540. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6541. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6542. return 0;
  6543. msleep(1);
  6544. }
  6545. return -EINVAL;
  6546. }
  6547. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6548. struct link_params *params, u16 addr,
  6549. u8 byte_cnt, u8 *o_buf)
  6550. {
  6551. int rc = -EINVAL;
  6552. switch (phy->type) {
  6553. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6554. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6555. byte_cnt, o_buf);
  6556. break;
  6557. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6559. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6560. byte_cnt, o_buf);
  6561. break;
  6562. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6563. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6564. byte_cnt, o_buf);
  6565. break;
  6566. }
  6567. return rc;
  6568. }
  6569. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6570. struct link_params *params,
  6571. u16 *edc_mode)
  6572. {
  6573. struct bnx2x *bp = params->bp;
  6574. u32 sync_offset = 0, phy_idx, media_types;
  6575. u8 val, check_limiting_mode = 0;
  6576. *edc_mode = EDC_MODE_LIMITING;
  6577. phy->media_type = ETH_PHY_UNSPECIFIED;
  6578. /* First check for copper cable */
  6579. if (bnx2x_read_sfp_module_eeprom(phy,
  6580. params,
  6581. SFP_EEPROM_CON_TYPE_ADDR,
  6582. 1,
  6583. &val) != 0) {
  6584. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6585. return -EINVAL;
  6586. }
  6587. switch (val) {
  6588. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6589. {
  6590. u8 copper_module_type;
  6591. phy->media_type = ETH_PHY_DA_TWINAX;
  6592. /*
  6593. * Check if its active cable (includes SFP+ module)
  6594. * of passive cable
  6595. */
  6596. if (bnx2x_read_sfp_module_eeprom(phy,
  6597. params,
  6598. SFP_EEPROM_FC_TX_TECH_ADDR,
  6599. 1,
  6600. &copper_module_type) != 0) {
  6601. DP(NETIF_MSG_LINK,
  6602. "Failed to read copper-cable-type"
  6603. " from SFP+ EEPROM\n");
  6604. return -EINVAL;
  6605. }
  6606. if (copper_module_type &
  6607. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6608. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6609. check_limiting_mode = 1;
  6610. } else if (copper_module_type &
  6611. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6612. DP(NETIF_MSG_LINK, "Passive Copper"
  6613. " cable detected\n");
  6614. *edc_mode =
  6615. EDC_MODE_PASSIVE_DAC;
  6616. } else {
  6617. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6618. "type 0x%x !!!\n", copper_module_type);
  6619. return -EINVAL;
  6620. }
  6621. break;
  6622. }
  6623. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6624. phy->media_type = ETH_PHY_SFP_FIBER;
  6625. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6626. check_limiting_mode = 1;
  6627. break;
  6628. default:
  6629. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6630. val);
  6631. return -EINVAL;
  6632. }
  6633. sync_offset = params->shmem_base +
  6634. offsetof(struct shmem_region,
  6635. dev_info.port_hw_config[params->port].media_type);
  6636. media_types = REG_RD(bp, sync_offset);
  6637. /* Update media type for non-PMF sync */
  6638. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6639. if (&(params->phy[phy_idx]) == phy) {
  6640. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6641. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6642. media_types |= ((phy->media_type &
  6643. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6644. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6645. break;
  6646. }
  6647. }
  6648. REG_WR(bp, sync_offset, media_types);
  6649. if (check_limiting_mode) {
  6650. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6651. if (bnx2x_read_sfp_module_eeprom(phy,
  6652. params,
  6653. SFP_EEPROM_OPTIONS_ADDR,
  6654. SFP_EEPROM_OPTIONS_SIZE,
  6655. options) != 0) {
  6656. DP(NETIF_MSG_LINK, "Failed to read Option"
  6657. " field from module EEPROM\n");
  6658. return -EINVAL;
  6659. }
  6660. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6661. *edc_mode = EDC_MODE_LINEAR;
  6662. else
  6663. *edc_mode = EDC_MODE_LIMITING;
  6664. }
  6665. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6666. return 0;
  6667. }
  6668. /*
  6669. * This function read the relevant field from the module (SFP+), and verify it
  6670. * is compliant with this board
  6671. */
  6672. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6673. struct link_params *params)
  6674. {
  6675. struct bnx2x *bp = params->bp;
  6676. u32 val, cmd;
  6677. u32 fw_resp, fw_cmd_param;
  6678. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6679. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6680. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6681. val = REG_RD(bp, params->shmem_base +
  6682. offsetof(struct shmem_region, dev_info.
  6683. port_feature_config[params->port].config));
  6684. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6685. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6686. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6687. return 0;
  6688. }
  6689. if (params->feature_config_flags &
  6690. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6691. /* Use specific phy request */
  6692. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6693. } else if (params->feature_config_flags &
  6694. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6695. /* Use first phy request only in case of non-dual media*/
  6696. if (DUAL_MEDIA(params)) {
  6697. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6698. "verification\n");
  6699. return -EINVAL;
  6700. }
  6701. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6702. } else {
  6703. /* No support in OPT MDL detection */
  6704. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6705. "verification\n");
  6706. return -EINVAL;
  6707. }
  6708. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6709. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6710. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6711. DP(NETIF_MSG_LINK, "Approved module\n");
  6712. return 0;
  6713. }
  6714. /* format the warning message */
  6715. if (bnx2x_read_sfp_module_eeprom(phy,
  6716. params,
  6717. SFP_EEPROM_VENDOR_NAME_ADDR,
  6718. SFP_EEPROM_VENDOR_NAME_SIZE,
  6719. (u8 *)vendor_name))
  6720. vendor_name[0] = '\0';
  6721. else
  6722. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6723. if (bnx2x_read_sfp_module_eeprom(phy,
  6724. params,
  6725. SFP_EEPROM_PART_NO_ADDR,
  6726. SFP_EEPROM_PART_NO_SIZE,
  6727. (u8 *)vendor_pn))
  6728. vendor_pn[0] = '\0';
  6729. else
  6730. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6731. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6732. " Port %d from %s part number %s\n",
  6733. params->port, vendor_name, vendor_pn);
  6734. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6735. return -EINVAL;
  6736. }
  6737. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6738. struct link_params *params)
  6739. {
  6740. u8 val;
  6741. struct bnx2x *bp = params->bp;
  6742. u16 timeout;
  6743. /*
  6744. * Initialization time after hot-plug may take up to 300ms for
  6745. * some phys type ( e.g. JDSU )
  6746. */
  6747. for (timeout = 0; timeout < 60; timeout++) {
  6748. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6749. == 0) {
  6750. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6751. "took %d ms\n", timeout * 5);
  6752. return 0;
  6753. }
  6754. msleep(5);
  6755. }
  6756. return -EINVAL;
  6757. }
  6758. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6759. struct bnx2x_phy *phy,
  6760. u8 is_power_up) {
  6761. /* Make sure GPIOs are not using for LED mode */
  6762. u16 val;
  6763. /*
  6764. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6765. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6766. * output
  6767. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6768. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6769. * where the 1st bit is the over-current(only input), and 2nd bit is
  6770. * for power( only output )
  6771. *
  6772. * In case of NOC feature is disabled and power is up, set GPIO control
  6773. * as input to enable listening of over-current indication
  6774. */
  6775. if (phy->flags & FLAGS_NOC)
  6776. return;
  6777. if (is_power_up)
  6778. val = (1<<4);
  6779. else
  6780. /*
  6781. * Set GPIO control to OUTPUT, and set the power bit
  6782. * to according to the is_power_up
  6783. */
  6784. val = (1<<1);
  6785. bnx2x_cl45_write(bp, phy,
  6786. MDIO_PMA_DEVAD,
  6787. MDIO_PMA_REG_8727_GPIO_CTRL,
  6788. val);
  6789. }
  6790. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6791. struct bnx2x_phy *phy,
  6792. u16 edc_mode)
  6793. {
  6794. u16 cur_limiting_mode;
  6795. bnx2x_cl45_read(bp, phy,
  6796. MDIO_PMA_DEVAD,
  6797. MDIO_PMA_REG_ROM_VER2,
  6798. &cur_limiting_mode);
  6799. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6800. cur_limiting_mode);
  6801. if (edc_mode == EDC_MODE_LIMITING) {
  6802. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6803. bnx2x_cl45_write(bp, phy,
  6804. MDIO_PMA_DEVAD,
  6805. MDIO_PMA_REG_ROM_VER2,
  6806. EDC_MODE_LIMITING);
  6807. } else { /* LRM mode ( default )*/
  6808. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6809. /*
  6810. * Changing to LRM mode takes quite few seconds. So do it only
  6811. * if current mode is limiting (default is LRM)
  6812. */
  6813. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6814. return 0;
  6815. bnx2x_cl45_write(bp, phy,
  6816. MDIO_PMA_DEVAD,
  6817. MDIO_PMA_REG_LRM_MODE,
  6818. 0);
  6819. bnx2x_cl45_write(bp, phy,
  6820. MDIO_PMA_DEVAD,
  6821. MDIO_PMA_REG_ROM_VER2,
  6822. 0x128);
  6823. bnx2x_cl45_write(bp, phy,
  6824. MDIO_PMA_DEVAD,
  6825. MDIO_PMA_REG_MISC_CTRL0,
  6826. 0x4008);
  6827. bnx2x_cl45_write(bp, phy,
  6828. MDIO_PMA_DEVAD,
  6829. MDIO_PMA_REG_LRM_MODE,
  6830. 0xaaaa);
  6831. }
  6832. return 0;
  6833. }
  6834. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6835. struct bnx2x_phy *phy,
  6836. u16 edc_mode)
  6837. {
  6838. u16 phy_identifier;
  6839. u16 rom_ver2_val;
  6840. bnx2x_cl45_read(bp, phy,
  6841. MDIO_PMA_DEVAD,
  6842. MDIO_PMA_REG_PHY_IDENTIFIER,
  6843. &phy_identifier);
  6844. bnx2x_cl45_write(bp, phy,
  6845. MDIO_PMA_DEVAD,
  6846. MDIO_PMA_REG_PHY_IDENTIFIER,
  6847. (phy_identifier & ~(1<<9)));
  6848. bnx2x_cl45_read(bp, phy,
  6849. MDIO_PMA_DEVAD,
  6850. MDIO_PMA_REG_ROM_VER2,
  6851. &rom_ver2_val);
  6852. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6853. bnx2x_cl45_write(bp, phy,
  6854. MDIO_PMA_DEVAD,
  6855. MDIO_PMA_REG_ROM_VER2,
  6856. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6857. bnx2x_cl45_write(bp, phy,
  6858. MDIO_PMA_DEVAD,
  6859. MDIO_PMA_REG_PHY_IDENTIFIER,
  6860. (phy_identifier | (1<<9)));
  6861. return 0;
  6862. }
  6863. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6864. struct link_params *params,
  6865. u32 action)
  6866. {
  6867. struct bnx2x *bp = params->bp;
  6868. switch (action) {
  6869. case DISABLE_TX:
  6870. bnx2x_sfp_set_transmitter(params, phy, 0);
  6871. break;
  6872. case ENABLE_TX:
  6873. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6874. bnx2x_sfp_set_transmitter(params, phy, 1);
  6875. break;
  6876. default:
  6877. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6878. action);
  6879. return;
  6880. }
  6881. }
  6882. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6883. u8 gpio_mode)
  6884. {
  6885. struct bnx2x *bp = params->bp;
  6886. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6887. offsetof(struct shmem_region,
  6888. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6889. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6890. switch (fault_led_gpio) {
  6891. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6892. return;
  6893. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6894. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6895. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6896. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6897. {
  6898. u8 gpio_port = bnx2x_get_gpio_port(params);
  6899. u16 gpio_pin = fault_led_gpio -
  6900. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6901. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6902. "pin %x port %x mode %x\n",
  6903. gpio_pin, gpio_port, gpio_mode);
  6904. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6905. }
  6906. break;
  6907. default:
  6908. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6909. fault_led_gpio);
  6910. }
  6911. }
  6912. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6913. u8 gpio_mode)
  6914. {
  6915. u32 pin_cfg;
  6916. u8 port = params->port;
  6917. struct bnx2x *bp = params->bp;
  6918. pin_cfg = (REG_RD(bp, params->shmem_base +
  6919. offsetof(struct shmem_region,
  6920. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6921. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6922. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6923. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6924. gpio_mode, pin_cfg);
  6925. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  6926. }
  6927. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  6928. u8 gpio_mode)
  6929. {
  6930. struct bnx2x *bp = params->bp;
  6931. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  6932. if (CHIP_IS_E3(bp)) {
  6933. /*
  6934. * Low ==> if SFP+ module is supported otherwise
  6935. * High ==> if SFP+ module is not on the approved vendor list
  6936. */
  6937. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  6938. } else
  6939. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  6940. }
  6941. static void bnx2x_warpcore_power_module(struct link_params *params,
  6942. struct bnx2x_phy *phy,
  6943. u8 power)
  6944. {
  6945. u32 pin_cfg;
  6946. struct bnx2x *bp = params->bp;
  6947. pin_cfg = (REG_RD(bp, params->shmem_base +
  6948. offsetof(struct shmem_region,
  6949. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6950. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6951. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6952. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6953. power, pin_cfg);
  6954. /*
  6955. * Low ==> corresponding SFP+ module is powered
  6956. * high ==> the SFP+ module is powered down
  6957. */
  6958. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6959. }
  6960. static void bnx2x_power_sfp_module(struct link_params *params,
  6961. struct bnx2x_phy *phy,
  6962. u8 power)
  6963. {
  6964. struct bnx2x *bp = params->bp;
  6965. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  6966. switch (phy->type) {
  6967. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6968. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6969. bnx2x_8727_power_module(params->bp, phy, power);
  6970. break;
  6971. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6972. bnx2x_warpcore_power_module(params, phy, power);
  6973. break;
  6974. default:
  6975. break;
  6976. }
  6977. }
  6978. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  6979. struct bnx2x_phy *phy,
  6980. u16 edc_mode)
  6981. {
  6982. u16 val = 0;
  6983. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  6984. struct bnx2x *bp = params->bp;
  6985. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  6986. /* This is a global register which controls all lanes */
  6987. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  6988. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  6989. val &= ~(0xf << (lane << 2));
  6990. switch (edc_mode) {
  6991. case EDC_MODE_LINEAR:
  6992. case EDC_MODE_LIMITING:
  6993. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  6994. break;
  6995. case EDC_MODE_PASSIVE_DAC:
  6996. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  6997. break;
  6998. default:
  6999. break;
  7000. }
  7001. val |= (mode << (lane << 2));
  7002. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7003. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7004. /* A must read */
  7005. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7006. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7007. }
  7008. static void bnx2x_set_limiting_mode(struct link_params *params,
  7009. struct bnx2x_phy *phy,
  7010. u16 edc_mode)
  7011. {
  7012. switch (phy->type) {
  7013. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7014. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7015. break;
  7016. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7017. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7018. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7019. break;
  7020. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7021. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7022. break;
  7023. }
  7024. }
  7025. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7026. struct link_params *params)
  7027. {
  7028. struct bnx2x *bp = params->bp;
  7029. u16 edc_mode;
  7030. int rc = 0;
  7031. u32 val = REG_RD(bp, params->shmem_base +
  7032. offsetof(struct shmem_region, dev_info.
  7033. port_feature_config[params->port].config));
  7034. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7035. params->port);
  7036. /* Power up module */
  7037. bnx2x_power_sfp_module(params, phy, 1);
  7038. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7039. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7040. return -EINVAL;
  7041. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7042. /* check SFP+ module compatibility */
  7043. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7044. rc = -EINVAL;
  7045. /* Turn on fault module-detected led */
  7046. bnx2x_set_sfp_module_fault_led(params,
  7047. MISC_REGISTERS_GPIO_HIGH);
  7048. /* Check if need to power down the SFP+ module */
  7049. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7050. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7051. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7052. bnx2x_power_sfp_module(params, phy, 0);
  7053. return rc;
  7054. }
  7055. } else {
  7056. /* Turn off fault module-detected led */
  7057. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7058. }
  7059. /*
  7060. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7061. * is done automatically
  7062. */
  7063. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7064. /*
  7065. * Enable transmit for this module if the module is approved, or
  7066. * if unapproved modules should also enable the Tx laser
  7067. */
  7068. if (rc == 0 ||
  7069. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7070. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7071. bnx2x_sfp_set_transmitter(params, phy, 1);
  7072. else
  7073. bnx2x_sfp_set_transmitter(params, phy, 0);
  7074. return rc;
  7075. }
  7076. void bnx2x_handle_module_detect_int(struct link_params *params)
  7077. {
  7078. struct bnx2x *bp = params->bp;
  7079. struct bnx2x_phy *phy;
  7080. u32 gpio_val;
  7081. u8 gpio_num, gpio_port;
  7082. if (CHIP_IS_E3(bp))
  7083. phy = &params->phy[INT_PHY];
  7084. else
  7085. phy = &params->phy[EXT_PHY1];
  7086. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7087. params->port, &gpio_num, &gpio_port) ==
  7088. -EINVAL) {
  7089. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7090. return;
  7091. }
  7092. /* Set valid module led off */
  7093. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7094. /* Get current gpio val reflecting module plugged in / out*/
  7095. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7096. /* Call the handling function in case module is detected */
  7097. if (gpio_val == 0) {
  7098. bnx2x_power_sfp_module(params, phy, 1);
  7099. bnx2x_set_gpio_int(bp, gpio_num,
  7100. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7101. gpio_port);
  7102. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7103. bnx2x_sfp_module_detection(phy, params);
  7104. else
  7105. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7106. } else {
  7107. u32 val = REG_RD(bp, params->shmem_base +
  7108. offsetof(struct shmem_region, dev_info.
  7109. port_feature_config[params->port].
  7110. config));
  7111. bnx2x_set_gpio_int(bp, gpio_num,
  7112. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7113. gpio_port);
  7114. /*
  7115. * Module was plugged out.
  7116. * Disable transmit for this module
  7117. */
  7118. phy->media_type = ETH_PHY_NOT_PRESENT;
  7119. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7120. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7121. bnx2x_sfp_set_transmitter(params, phy, 0);
  7122. }
  7123. }
  7124. /******************************************************************/
  7125. /* Used by 8706 and 8727 */
  7126. /******************************************************************/
  7127. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7128. struct bnx2x_phy *phy,
  7129. u16 alarm_status_offset,
  7130. u16 alarm_ctrl_offset)
  7131. {
  7132. u16 alarm_status, val;
  7133. bnx2x_cl45_read(bp, phy,
  7134. MDIO_PMA_DEVAD, alarm_status_offset,
  7135. &alarm_status);
  7136. bnx2x_cl45_read(bp, phy,
  7137. MDIO_PMA_DEVAD, alarm_status_offset,
  7138. &alarm_status);
  7139. /* Mask or enable the fault event. */
  7140. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7141. if (alarm_status & (1<<0))
  7142. val &= ~(1<<0);
  7143. else
  7144. val |= (1<<0);
  7145. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7146. }
  7147. /******************************************************************/
  7148. /* common BCM8706/BCM8726 PHY SECTION */
  7149. /******************************************************************/
  7150. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7151. struct link_params *params,
  7152. struct link_vars *vars)
  7153. {
  7154. u8 link_up = 0;
  7155. u16 val1, val2, rx_sd, pcs_status;
  7156. struct bnx2x *bp = params->bp;
  7157. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7158. /* Clear RX Alarm*/
  7159. bnx2x_cl45_read(bp, phy,
  7160. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  7161. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  7162. MDIO_PMA_REG_TX_ALARM_CTRL);
  7163. /* clear LASI indication*/
  7164. bnx2x_cl45_read(bp, phy,
  7165. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  7166. bnx2x_cl45_read(bp, phy,
  7167. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  7168. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7169. bnx2x_cl45_read(bp, phy,
  7170. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7171. bnx2x_cl45_read(bp, phy,
  7172. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7173. bnx2x_cl45_read(bp, phy,
  7174. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7175. bnx2x_cl45_read(bp, phy,
  7176. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7177. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7178. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7179. /*
  7180. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7181. * are set, or if the autoneg bit 1 is set
  7182. */
  7183. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7184. if (link_up) {
  7185. if (val2 & (1<<1))
  7186. vars->line_speed = SPEED_1000;
  7187. else
  7188. vars->line_speed = SPEED_10000;
  7189. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7190. vars->duplex = DUPLEX_FULL;
  7191. }
  7192. /* Capture 10G link fault. Read twice to clear stale value. */
  7193. if (vars->line_speed == SPEED_10000) {
  7194. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7195. MDIO_PMA_REG_TX_ALARM, &val1);
  7196. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7197. MDIO_PMA_REG_TX_ALARM, &val1);
  7198. if (val1 & (1<<0))
  7199. vars->fault_detected = 1;
  7200. }
  7201. return link_up;
  7202. }
  7203. /******************************************************************/
  7204. /* BCM8706 PHY SECTION */
  7205. /******************************************************************/
  7206. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7207. struct link_params *params,
  7208. struct link_vars *vars)
  7209. {
  7210. u32 tx_en_mode;
  7211. u16 cnt, val, tmp1;
  7212. struct bnx2x *bp = params->bp;
  7213. /* SPF+ PHY: Set flag to check for Tx error */
  7214. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7215. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7216. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7217. /* HW reset */
  7218. bnx2x_ext_phy_hw_reset(bp, params->port);
  7219. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7220. bnx2x_wait_reset_complete(bp, phy, params);
  7221. /* Wait until fw is loaded */
  7222. for (cnt = 0; cnt < 100; cnt++) {
  7223. bnx2x_cl45_read(bp, phy,
  7224. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7225. if (val)
  7226. break;
  7227. msleep(10);
  7228. }
  7229. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7230. if ((params->feature_config_flags &
  7231. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7232. u8 i;
  7233. u16 reg;
  7234. for (i = 0; i < 4; i++) {
  7235. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7236. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7237. MDIO_XS_8706_REG_BANK_RX0);
  7238. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7239. /* Clear first 3 bits of the control */
  7240. val &= ~0x7;
  7241. /* Set control bits according to configuration */
  7242. val |= (phy->rx_preemphasis[i] & 0x7);
  7243. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7244. " reg 0x%x <-- val 0x%x\n", reg, val);
  7245. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7246. }
  7247. }
  7248. /* Force speed */
  7249. if (phy->req_line_speed == SPEED_10000) {
  7250. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7251. bnx2x_cl45_write(bp, phy,
  7252. MDIO_PMA_DEVAD,
  7253. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7254. bnx2x_cl45_write(bp, phy,
  7255. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  7256. 0);
  7257. /* Arm LASI for link and Tx fault. */
  7258. bnx2x_cl45_write(bp, phy,
  7259. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
  7260. } else {
  7261. /* Force 1Gbps using autoneg with 1G advertisement */
  7262. /* Allow CL37 through CL73 */
  7263. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7264. bnx2x_cl45_write(bp, phy,
  7265. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7266. /* Enable Full-Duplex advertisement on CL37 */
  7267. bnx2x_cl45_write(bp, phy,
  7268. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7269. /* Enable CL37 AN */
  7270. bnx2x_cl45_write(bp, phy,
  7271. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7272. /* 1G support */
  7273. bnx2x_cl45_write(bp, phy,
  7274. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7275. /* Enable clause 73 AN */
  7276. bnx2x_cl45_write(bp, phy,
  7277. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7278. bnx2x_cl45_write(bp, phy,
  7279. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  7280. 0x0400);
  7281. bnx2x_cl45_write(bp, phy,
  7282. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  7283. 0x0004);
  7284. }
  7285. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7286. /*
  7287. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7288. * power mode, if TX Laser is disabled
  7289. */
  7290. tx_en_mode = REG_RD(bp, params->shmem_base +
  7291. offsetof(struct shmem_region,
  7292. dev_info.port_hw_config[params->port].sfp_ctrl))
  7293. & PORT_HW_CFG_TX_LASER_MASK;
  7294. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7295. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7296. bnx2x_cl45_read(bp, phy,
  7297. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7298. tmp1 |= 0x1;
  7299. bnx2x_cl45_write(bp, phy,
  7300. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7301. }
  7302. return 0;
  7303. }
  7304. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7305. struct link_params *params,
  7306. struct link_vars *vars)
  7307. {
  7308. return bnx2x_8706_8726_read_status(phy, params, vars);
  7309. }
  7310. /******************************************************************/
  7311. /* BCM8726 PHY SECTION */
  7312. /******************************************************************/
  7313. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7314. struct link_params *params)
  7315. {
  7316. struct bnx2x *bp = params->bp;
  7317. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7318. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7319. }
  7320. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7321. struct link_params *params)
  7322. {
  7323. struct bnx2x *bp = params->bp;
  7324. /* Need to wait 100ms after reset */
  7325. msleep(100);
  7326. /* Micro controller re-boot */
  7327. bnx2x_cl45_write(bp, phy,
  7328. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7329. /* Set soft reset */
  7330. bnx2x_cl45_write(bp, phy,
  7331. MDIO_PMA_DEVAD,
  7332. MDIO_PMA_REG_GEN_CTRL,
  7333. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7334. bnx2x_cl45_write(bp, phy,
  7335. MDIO_PMA_DEVAD,
  7336. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7337. bnx2x_cl45_write(bp, phy,
  7338. MDIO_PMA_DEVAD,
  7339. MDIO_PMA_REG_GEN_CTRL,
  7340. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7341. /* wait for 150ms for microcode load */
  7342. msleep(150);
  7343. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7344. bnx2x_cl45_write(bp, phy,
  7345. MDIO_PMA_DEVAD,
  7346. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7347. msleep(200);
  7348. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7349. }
  7350. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7351. struct link_params *params,
  7352. struct link_vars *vars)
  7353. {
  7354. struct bnx2x *bp = params->bp;
  7355. u16 val1;
  7356. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7357. if (link_up) {
  7358. bnx2x_cl45_read(bp, phy,
  7359. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7360. &val1);
  7361. if (val1 & (1<<15)) {
  7362. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7363. link_up = 0;
  7364. vars->line_speed = 0;
  7365. }
  7366. }
  7367. return link_up;
  7368. }
  7369. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7370. struct link_params *params,
  7371. struct link_vars *vars)
  7372. {
  7373. struct bnx2x *bp = params->bp;
  7374. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7375. /* SPF+ PHY: Set flag to check for Tx error */
  7376. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7377. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7378. bnx2x_wait_reset_complete(bp, phy, params);
  7379. bnx2x_8726_external_rom_boot(phy, params);
  7380. /*
  7381. * Need to call module detected on initialization since the module
  7382. * detection triggered by actual module insertion might occur before
  7383. * driver is loaded, and when driver is loaded, it reset all
  7384. * registers, including the transmitter
  7385. */
  7386. bnx2x_sfp_module_detection(phy, params);
  7387. if (phy->req_line_speed == SPEED_1000) {
  7388. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7389. bnx2x_cl45_write(bp, phy,
  7390. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7391. bnx2x_cl45_write(bp, phy,
  7392. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7393. bnx2x_cl45_write(bp, phy,
  7394. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  7397. 0x400);
  7398. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7399. (phy->speed_cap_mask &
  7400. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7401. ((phy->speed_cap_mask &
  7402. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7403. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7404. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7405. /* Set Flow control */
  7406. bnx2x_ext_phy_set_pause(params, phy, vars);
  7407. bnx2x_cl45_write(bp, phy,
  7408. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7409. bnx2x_cl45_write(bp, phy,
  7410. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7411. bnx2x_cl45_write(bp, phy,
  7412. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7413. bnx2x_cl45_write(bp, phy,
  7414. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7415. bnx2x_cl45_write(bp, phy,
  7416. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7417. /*
  7418. * Enable RX-ALARM control to receive interrupt for 1G speed
  7419. * change
  7420. */
  7421. bnx2x_cl45_write(bp, phy,
  7422. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  7423. bnx2x_cl45_write(bp, phy,
  7424. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  7425. 0x400);
  7426. } else { /* Default 10G. Set only LASI control */
  7427. bnx2x_cl45_write(bp, phy,
  7428. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  7429. }
  7430. /* Set TX PreEmphasis if needed */
  7431. if ((params->feature_config_flags &
  7432. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7433. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7434. "TX_CTRL2 0x%x\n",
  7435. phy->tx_preemphasis[0],
  7436. phy->tx_preemphasis[1]);
  7437. bnx2x_cl45_write(bp, phy,
  7438. MDIO_PMA_DEVAD,
  7439. MDIO_PMA_REG_8726_TX_CTRL1,
  7440. phy->tx_preemphasis[0]);
  7441. bnx2x_cl45_write(bp, phy,
  7442. MDIO_PMA_DEVAD,
  7443. MDIO_PMA_REG_8726_TX_CTRL2,
  7444. phy->tx_preemphasis[1]);
  7445. }
  7446. return 0;
  7447. }
  7448. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7449. struct link_params *params)
  7450. {
  7451. struct bnx2x *bp = params->bp;
  7452. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7453. /* Set serial boot control for external load */
  7454. bnx2x_cl45_write(bp, phy,
  7455. MDIO_PMA_DEVAD,
  7456. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7457. }
  7458. /******************************************************************/
  7459. /* BCM8727 PHY SECTION */
  7460. /******************************************************************/
  7461. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7462. struct link_params *params, u8 mode)
  7463. {
  7464. struct bnx2x *bp = params->bp;
  7465. u16 led_mode_bitmask = 0;
  7466. u16 gpio_pins_bitmask = 0;
  7467. u16 val;
  7468. /* Only NOC flavor requires to set the LED specifically */
  7469. if (!(phy->flags & FLAGS_NOC))
  7470. return;
  7471. switch (mode) {
  7472. case LED_MODE_FRONT_PANEL_OFF:
  7473. case LED_MODE_OFF:
  7474. led_mode_bitmask = 0;
  7475. gpio_pins_bitmask = 0x03;
  7476. break;
  7477. case LED_MODE_ON:
  7478. led_mode_bitmask = 0;
  7479. gpio_pins_bitmask = 0x02;
  7480. break;
  7481. case LED_MODE_OPER:
  7482. led_mode_bitmask = 0x60;
  7483. gpio_pins_bitmask = 0x11;
  7484. break;
  7485. }
  7486. bnx2x_cl45_read(bp, phy,
  7487. MDIO_PMA_DEVAD,
  7488. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7489. &val);
  7490. val &= 0xff8f;
  7491. val |= led_mode_bitmask;
  7492. bnx2x_cl45_write(bp, phy,
  7493. MDIO_PMA_DEVAD,
  7494. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7495. val);
  7496. bnx2x_cl45_read(bp, phy,
  7497. MDIO_PMA_DEVAD,
  7498. MDIO_PMA_REG_8727_GPIO_CTRL,
  7499. &val);
  7500. val &= 0xffe0;
  7501. val |= gpio_pins_bitmask;
  7502. bnx2x_cl45_write(bp, phy,
  7503. MDIO_PMA_DEVAD,
  7504. MDIO_PMA_REG_8727_GPIO_CTRL,
  7505. val);
  7506. }
  7507. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7508. struct link_params *params) {
  7509. u32 swap_val, swap_override;
  7510. u8 port;
  7511. /*
  7512. * The PHY reset is controlled by GPIO 1. Fake the port number
  7513. * to cancel the swap done in set_gpio()
  7514. */
  7515. struct bnx2x *bp = params->bp;
  7516. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7517. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7518. port = (swap_val && swap_override) ^ 1;
  7519. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7520. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7521. }
  7522. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7523. struct link_params *params,
  7524. struct link_vars *vars)
  7525. {
  7526. u32 tx_en_mode;
  7527. u16 tmp1, val, mod_abs, tmp2;
  7528. u16 rx_alarm_ctrl_val;
  7529. u16 lasi_ctrl_val;
  7530. struct bnx2x *bp = params->bp;
  7531. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7532. /* SPF+ PHY: Set flag to check for Tx error */
  7533. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7534. bnx2x_wait_reset_complete(bp, phy, params);
  7535. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7536. /* Should be 0x6 to enable XS on Tx side. */
  7537. lasi_ctrl_val = 0x0006;
  7538. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7539. /* enable LASI */
  7540. bnx2x_cl45_write(bp, phy,
  7541. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  7542. rx_alarm_ctrl_val);
  7543. bnx2x_cl45_write(bp, phy,
  7544. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  7545. 0);
  7546. bnx2x_cl45_write(bp, phy,
  7547. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  7548. /*
  7549. * Initially configure MOD_ABS to interrupt when module is
  7550. * presence( bit 8)
  7551. */
  7552. bnx2x_cl45_read(bp, phy,
  7553. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7554. /*
  7555. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7556. * When the EDC is off it locks onto a reference clock and avoids
  7557. * becoming 'lost'
  7558. */
  7559. mod_abs &= ~(1<<8);
  7560. if (!(phy->flags & FLAGS_NOC))
  7561. mod_abs &= ~(1<<9);
  7562. bnx2x_cl45_write(bp, phy,
  7563. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7564. /* Make MOD_ABS give interrupt on change */
  7565. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7566. &val);
  7567. val |= (1<<12);
  7568. if (phy->flags & FLAGS_NOC)
  7569. val |= (3<<5);
  7570. /*
  7571. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7572. * status which reflect SFP+ module over-current
  7573. */
  7574. if (!(phy->flags & FLAGS_NOC))
  7575. val &= 0xff8f; /* Reset bits 4-6 */
  7576. bnx2x_cl45_write(bp, phy,
  7577. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7578. bnx2x_8727_power_module(bp, phy, 1);
  7579. bnx2x_cl45_read(bp, phy,
  7580. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7581. bnx2x_cl45_read(bp, phy,
  7582. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  7583. /* Set option 1G speed */
  7584. if (phy->req_line_speed == SPEED_1000) {
  7585. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7588. bnx2x_cl45_write(bp, phy,
  7589. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7590. bnx2x_cl45_read(bp, phy,
  7591. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7592. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7593. /*
  7594. * Power down the XAUI until link is up in case of dual-media
  7595. * and 1G
  7596. */
  7597. if (DUAL_MEDIA(params)) {
  7598. bnx2x_cl45_read(bp, phy,
  7599. MDIO_PMA_DEVAD,
  7600. MDIO_PMA_REG_8727_PCS_GP, &val);
  7601. val |= (3<<10);
  7602. bnx2x_cl45_write(bp, phy,
  7603. MDIO_PMA_DEVAD,
  7604. MDIO_PMA_REG_8727_PCS_GP, val);
  7605. }
  7606. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7607. ((phy->speed_cap_mask &
  7608. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7609. ((phy->speed_cap_mask &
  7610. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7611. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7612. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7613. bnx2x_cl45_write(bp, phy,
  7614. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7615. bnx2x_cl45_write(bp, phy,
  7616. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7617. } else {
  7618. /*
  7619. * Since the 8727 has only single reset pin, need to set the 10G
  7620. * registers although it is default
  7621. */
  7622. bnx2x_cl45_write(bp, phy,
  7623. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7624. 0x0020);
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7627. bnx2x_cl45_write(bp, phy,
  7628. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7629. bnx2x_cl45_write(bp, phy,
  7630. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7631. 0x0008);
  7632. }
  7633. /*
  7634. * Set 2-wire transfer rate of SFP+ module EEPROM
  7635. * to 100Khz since some DACs(direct attached cables) do
  7636. * not work at 400Khz.
  7637. */
  7638. bnx2x_cl45_write(bp, phy,
  7639. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7640. 0xa001);
  7641. /* Set TX PreEmphasis if needed */
  7642. if ((params->feature_config_flags &
  7643. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7644. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7645. phy->tx_preemphasis[0],
  7646. phy->tx_preemphasis[1]);
  7647. bnx2x_cl45_write(bp, phy,
  7648. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7649. phy->tx_preemphasis[0]);
  7650. bnx2x_cl45_write(bp, phy,
  7651. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7652. phy->tx_preemphasis[1]);
  7653. }
  7654. /*
  7655. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7656. * power mode, if TX Laser is disabled
  7657. */
  7658. tx_en_mode = REG_RD(bp, params->shmem_base +
  7659. offsetof(struct shmem_region,
  7660. dev_info.port_hw_config[params->port].sfp_ctrl))
  7661. & PORT_HW_CFG_TX_LASER_MASK;
  7662. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7663. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7664. bnx2x_cl45_read(bp, phy,
  7665. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7666. tmp2 |= 0x1000;
  7667. tmp2 &= 0xFFEF;
  7668. bnx2x_cl45_write(bp, phy,
  7669. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7670. }
  7671. return 0;
  7672. }
  7673. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7674. struct link_params *params)
  7675. {
  7676. struct bnx2x *bp = params->bp;
  7677. u16 mod_abs, rx_alarm_status;
  7678. u32 val = REG_RD(bp, params->shmem_base +
  7679. offsetof(struct shmem_region, dev_info.
  7680. port_feature_config[params->port].
  7681. config));
  7682. bnx2x_cl45_read(bp, phy,
  7683. MDIO_PMA_DEVAD,
  7684. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7685. if (mod_abs & (1<<8)) {
  7686. /* Module is absent */
  7687. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7688. "show module is absent\n");
  7689. phy->media_type = ETH_PHY_NOT_PRESENT;
  7690. /*
  7691. * 1. Set mod_abs to detect next module
  7692. * presence event
  7693. * 2. Set EDC off by setting OPTXLOS signal input to low
  7694. * (bit 9).
  7695. * When the EDC is off it locks onto a reference clock and
  7696. * avoids becoming 'lost'.
  7697. */
  7698. mod_abs &= ~(1<<8);
  7699. if (!(phy->flags & FLAGS_NOC))
  7700. mod_abs &= ~(1<<9);
  7701. bnx2x_cl45_write(bp, phy,
  7702. MDIO_PMA_DEVAD,
  7703. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7704. /*
  7705. * Clear RX alarm since it stays up as long as
  7706. * the mod_abs wasn't changed
  7707. */
  7708. bnx2x_cl45_read(bp, phy,
  7709. MDIO_PMA_DEVAD,
  7710. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  7711. } else {
  7712. /* Module is present */
  7713. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7714. "show module is present\n");
  7715. /*
  7716. * First disable transmitter, and if the module is ok, the
  7717. * module_detection will enable it
  7718. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7719. * 2. Restore the default polarity of the OPRXLOS signal and
  7720. * this signal will then correctly indicate the presence or
  7721. * absence of the Rx signal. (bit 9)
  7722. */
  7723. mod_abs |= (1<<8);
  7724. if (!(phy->flags & FLAGS_NOC))
  7725. mod_abs |= (1<<9);
  7726. bnx2x_cl45_write(bp, phy,
  7727. MDIO_PMA_DEVAD,
  7728. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7729. /*
  7730. * Clear RX alarm since it stays up as long as the mod_abs
  7731. * wasn't changed. This is need to be done before calling the
  7732. * module detection, otherwise it will clear* the link update
  7733. * alarm
  7734. */
  7735. bnx2x_cl45_read(bp, phy,
  7736. MDIO_PMA_DEVAD,
  7737. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  7738. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7739. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7740. bnx2x_sfp_set_transmitter(params, phy, 0);
  7741. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7742. bnx2x_sfp_module_detection(phy, params);
  7743. else
  7744. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7745. }
  7746. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7747. rx_alarm_status);
  7748. /* No need to check link status in case of module plugged in/out */
  7749. }
  7750. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7751. struct link_params *params,
  7752. struct link_vars *vars)
  7753. {
  7754. struct bnx2x *bp = params->bp;
  7755. u8 link_up = 0, oc_port = params->port;
  7756. u16 link_status = 0;
  7757. u16 rx_alarm_status, lasi_ctrl, val1;
  7758. /* If PHY is not initialized, do not check link status */
  7759. bnx2x_cl45_read(bp, phy,
  7760. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  7761. &lasi_ctrl);
  7762. if (!lasi_ctrl)
  7763. return 0;
  7764. /* Check the LASI on Rx */
  7765. bnx2x_cl45_read(bp, phy,
  7766. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  7767. &rx_alarm_status);
  7768. vars->line_speed = 0;
  7769. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7770. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  7771. MDIO_PMA_REG_TX_ALARM_CTRL);
  7772. bnx2x_cl45_read(bp, phy,
  7773. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  7774. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7775. /* Clear MSG-OUT */
  7776. bnx2x_cl45_read(bp, phy,
  7777. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7778. /*
  7779. * If a module is present and there is need to check
  7780. * for over current
  7781. */
  7782. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7783. /* Check over-current using 8727 GPIO0 input*/
  7784. bnx2x_cl45_read(bp, phy,
  7785. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7786. &val1);
  7787. if ((val1 & (1<<8)) == 0) {
  7788. if (!CHIP_IS_E1x(bp))
  7789. oc_port = BP_PATH(bp) + (params->port << 1);
  7790. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7791. " on port %d\n", oc_port);
  7792. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7793. " been detected and the power to "
  7794. "that SFP+ module has been removed"
  7795. " to prevent failure of the card."
  7796. " Please remove the SFP+ module and"
  7797. " restart the system to clear this"
  7798. " error.\n",
  7799. oc_port);
  7800. /* Disable all RX_ALARMs except for mod_abs */
  7801. bnx2x_cl45_write(bp, phy,
  7802. MDIO_PMA_DEVAD,
  7803. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  7804. bnx2x_cl45_read(bp, phy,
  7805. MDIO_PMA_DEVAD,
  7806. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7807. /* Wait for module_absent_event */
  7808. val1 |= (1<<8);
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_PMA_DEVAD,
  7811. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7812. /* Clear RX alarm */
  7813. bnx2x_cl45_read(bp, phy,
  7814. MDIO_PMA_DEVAD,
  7815. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  7816. return 0;
  7817. }
  7818. } /* Over current check */
  7819. /* When module absent bit is set, check module */
  7820. if (rx_alarm_status & (1<<5)) {
  7821. bnx2x_8727_handle_mod_abs(phy, params);
  7822. /* Enable all mod_abs and link detection bits */
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  7825. ((1<<5) | (1<<2)));
  7826. }
  7827. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7828. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7829. /* If transmitter is disabled, ignore false link up indication */
  7830. bnx2x_cl45_read(bp, phy,
  7831. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7832. if (val1 & (1<<15)) {
  7833. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7834. return 0;
  7835. }
  7836. bnx2x_cl45_read(bp, phy,
  7837. MDIO_PMA_DEVAD,
  7838. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7839. /*
  7840. * Bits 0..2 --> speed detected,
  7841. * Bits 13..15--> link is down
  7842. */
  7843. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7844. link_up = 1;
  7845. vars->line_speed = SPEED_10000;
  7846. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7847. params->port);
  7848. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7849. link_up = 1;
  7850. vars->line_speed = SPEED_1000;
  7851. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7852. params->port);
  7853. } else {
  7854. link_up = 0;
  7855. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7856. params->port);
  7857. }
  7858. /* Capture 10G link fault. */
  7859. if (vars->line_speed == SPEED_10000) {
  7860. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7861. MDIO_PMA_REG_TX_ALARM, &val1);
  7862. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7863. MDIO_PMA_REG_TX_ALARM, &val1);
  7864. if (val1 & (1<<0)) {
  7865. vars->fault_detected = 1;
  7866. }
  7867. }
  7868. if (link_up) {
  7869. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7870. vars->duplex = DUPLEX_FULL;
  7871. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7872. }
  7873. if ((DUAL_MEDIA(params)) &&
  7874. (phy->req_line_speed == SPEED_1000)) {
  7875. bnx2x_cl45_read(bp, phy,
  7876. MDIO_PMA_DEVAD,
  7877. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7878. /*
  7879. * In case of dual-media board and 1G, power up the XAUI side,
  7880. * otherwise power it down. For 10G it is done automatically
  7881. */
  7882. if (link_up)
  7883. val1 &= ~(3<<10);
  7884. else
  7885. val1 |= (3<<10);
  7886. bnx2x_cl45_write(bp, phy,
  7887. MDIO_PMA_DEVAD,
  7888. MDIO_PMA_REG_8727_PCS_GP, val1);
  7889. }
  7890. return link_up;
  7891. }
  7892. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7893. struct link_params *params)
  7894. {
  7895. struct bnx2x *bp = params->bp;
  7896. /* Disable Transmitter */
  7897. bnx2x_sfp_set_transmitter(params, phy, 0);
  7898. /* Clear LASI */
  7899. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  7900. }
  7901. /******************************************************************/
  7902. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7903. /******************************************************************/
  7904. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7905. struct link_params *params)
  7906. {
  7907. u16 val, fw_ver1, fw_ver2, cnt;
  7908. u8 port;
  7909. struct bnx2x *bp = params->bp;
  7910. port = params->port;
  7911. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7912. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7913. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7914. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7915. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7916. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  7917. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  7918. for (cnt = 0; cnt < 100; cnt++) {
  7919. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7920. if (val & 1)
  7921. break;
  7922. udelay(5);
  7923. }
  7924. if (cnt == 100) {
  7925. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  7926. bnx2x_save_spirom_version(bp, port, 0,
  7927. phy->ver_addr);
  7928. return;
  7929. }
  7930. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  7931. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  7932. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7933. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  7934. for (cnt = 0; cnt < 100; cnt++) {
  7935. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7936. if (val & 1)
  7937. break;
  7938. udelay(5);
  7939. }
  7940. if (cnt == 100) {
  7941. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  7942. bnx2x_save_spirom_version(bp, port, 0,
  7943. phy->ver_addr);
  7944. return;
  7945. }
  7946. /* lower 16 bits of the register SPI_FW_STATUS */
  7947. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  7948. /* upper 16 bits of register SPI_FW_STATUS */
  7949. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  7950. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  7951. phy->ver_addr);
  7952. }
  7953. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  7954. struct bnx2x_phy *phy)
  7955. {
  7956. u16 val;
  7957. /* PHYC_CTL_LED_CTL */
  7958. bnx2x_cl45_read(bp, phy,
  7959. MDIO_PMA_DEVAD,
  7960. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  7961. val &= 0xFE00;
  7962. val |= 0x0092;
  7963. bnx2x_cl45_write(bp, phy,
  7964. MDIO_PMA_DEVAD,
  7965. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  7966. bnx2x_cl45_write(bp, phy,
  7967. MDIO_PMA_DEVAD,
  7968. MDIO_PMA_REG_8481_LED1_MASK,
  7969. 0x80);
  7970. bnx2x_cl45_write(bp, phy,
  7971. MDIO_PMA_DEVAD,
  7972. MDIO_PMA_REG_8481_LED2_MASK,
  7973. 0x18);
  7974. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  7975. bnx2x_cl45_write(bp, phy,
  7976. MDIO_PMA_DEVAD,
  7977. MDIO_PMA_REG_8481_LED3_MASK,
  7978. 0x0006);
  7979. /* Select the closest activity blink rate to that in 10/100/1000 */
  7980. bnx2x_cl45_write(bp, phy,
  7981. MDIO_PMA_DEVAD,
  7982. MDIO_PMA_REG_8481_LED3_BLINK,
  7983. 0);
  7984. bnx2x_cl45_read(bp, phy,
  7985. MDIO_PMA_DEVAD,
  7986. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  7987. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  7988. bnx2x_cl45_write(bp, phy,
  7989. MDIO_PMA_DEVAD,
  7990. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  7991. /* 'Interrupt Mask' */
  7992. bnx2x_cl45_write(bp, phy,
  7993. MDIO_AN_DEVAD,
  7994. 0xFFFB, 0xFFFD);
  7995. }
  7996. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  7997. struct link_params *params,
  7998. struct link_vars *vars)
  7999. {
  8000. struct bnx2x *bp = params->bp;
  8001. u16 autoneg_val, an_1000_val, an_10_100_val;
  8002. u16 tmp_req_line_speed;
  8003. tmp_req_line_speed = phy->req_line_speed;
  8004. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8005. if (phy->req_line_speed == SPEED_10000)
  8006. phy->req_line_speed = SPEED_AUTO_NEG;
  8007. /*
  8008. * This phy uses the NIG latch mechanism since link indication
  8009. * arrives through its LED4 and not via its LASI signal, so we
  8010. * get steady signal instead of clear on read
  8011. */
  8012. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8013. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8014. bnx2x_cl45_write(bp, phy,
  8015. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8016. bnx2x_848xx_set_led(bp, phy);
  8017. /* set 1000 speed advertisement */
  8018. bnx2x_cl45_read(bp, phy,
  8019. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8020. &an_1000_val);
  8021. bnx2x_ext_phy_set_pause(params, phy, vars);
  8022. bnx2x_cl45_read(bp, phy,
  8023. MDIO_AN_DEVAD,
  8024. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8025. &an_10_100_val);
  8026. bnx2x_cl45_read(bp, phy,
  8027. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8028. &autoneg_val);
  8029. /* Disable forced speed */
  8030. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8031. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8032. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8033. (phy->speed_cap_mask &
  8034. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8035. (phy->req_line_speed == SPEED_1000)) {
  8036. an_1000_val |= (1<<8);
  8037. autoneg_val |= (1<<9 | 1<<12);
  8038. if (phy->req_duplex == DUPLEX_FULL)
  8039. an_1000_val |= (1<<9);
  8040. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8041. } else
  8042. an_1000_val &= ~((1<<8) | (1<<9));
  8043. bnx2x_cl45_write(bp, phy,
  8044. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8045. an_1000_val);
  8046. /* set 10 speed advertisement */
  8047. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8048. (phy->speed_cap_mask &
  8049. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8050. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8051. an_10_100_val |= (1<<7);
  8052. /* Enable autoneg and restart autoneg for legacy speeds */
  8053. autoneg_val |= (1<<9 | 1<<12);
  8054. if (phy->req_duplex == DUPLEX_FULL)
  8055. an_10_100_val |= (1<<8);
  8056. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8057. }
  8058. /* set 10 speed advertisement */
  8059. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8060. (phy->speed_cap_mask &
  8061. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8062. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8063. an_10_100_val |= (1<<5);
  8064. autoneg_val |= (1<<9 | 1<<12);
  8065. if (phy->req_duplex == DUPLEX_FULL)
  8066. an_10_100_val |= (1<<6);
  8067. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8068. }
  8069. /* Only 10/100 are allowed to work in FORCE mode */
  8070. if (phy->req_line_speed == SPEED_100) {
  8071. autoneg_val |= (1<<13);
  8072. /* Enabled AUTO-MDIX when autoneg is disabled */
  8073. bnx2x_cl45_write(bp, phy,
  8074. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8075. (1<<15 | 1<<9 | 7<<0));
  8076. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8077. }
  8078. if (phy->req_line_speed == SPEED_10) {
  8079. /* Enabled AUTO-MDIX when autoneg is disabled */
  8080. bnx2x_cl45_write(bp, phy,
  8081. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8082. (1<<15 | 1<<9 | 7<<0));
  8083. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8084. }
  8085. bnx2x_cl45_write(bp, phy,
  8086. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8087. an_10_100_val);
  8088. if (phy->req_duplex == DUPLEX_FULL)
  8089. autoneg_val |= (1<<8);
  8090. bnx2x_cl45_write(bp, phy,
  8091. MDIO_AN_DEVAD,
  8092. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8093. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8094. (phy->speed_cap_mask &
  8095. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8096. (phy->req_line_speed == SPEED_10000)) {
  8097. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8098. /* Restart autoneg for 10G*/
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8101. 0x3200);
  8102. } else if (phy->req_line_speed != SPEED_10 &&
  8103. phy->req_line_speed != SPEED_100) {
  8104. bnx2x_cl45_write(bp, phy,
  8105. MDIO_AN_DEVAD,
  8106. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8107. 1);
  8108. }
  8109. /* Save spirom version */
  8110. bnx2x_save_848xx_spirom_version(phy, params);
  8111. phy->req_line_speed = tmp_req_line_speed;
  8112. return 0;
  8113. }
  8114. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8115. struct link_params *params,
  8116. struct link_vars *vars)
  8117. {
  8118. struct bnx2x *bp = params->bp;
  8119. /* Restore normal power mode*/
  8120. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8121. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8122. /* HW reset */
  8123. bnx2x_ext_phy_hw_reset(bp, params->port);
  8124. bnx2x_wait_reset_complete(bp, phy, params);
  8125. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8126. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8127. }
  8128. #define PHY84833_HDSHK_WAIT 300
  8129. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8130. struct link_params *params,
  8131. struct link_vars *vars)
  8132. {
  8133. u32 idx;
  8134. u16 val;
  8135. u16 data = 0x01b1;
  8136. struct bnx2x *bp = params->bp;
  8137. /* Do pair swap */
  8138. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8139. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8140. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8141. PHY84833_CMD_OPEN_OVERRIDE);
  8142. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8143. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8144. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8145. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8146. break;
  8147. msleep(1);
  8148. }
  8149. if (idx >= PHY84833_HDSHK_WAIT) {
  8150. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8151. return -EINVAL;
  8152. }
  8153. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8154. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8155. data);
  8156. /* Issue pair swap command */
  8157. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8158. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8159. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8160. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8161. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8162. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8163. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8164. (val == PHY84833_CMD_COMPLETE_ERROR))
  8165. break;
  8166. msleep(1);
  8167. }
  8168. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8169. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8170. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8171. return -EINVAL;
  8172. }
  8173. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8174. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8175. PHY84833_CMD_CLEAR_COMPLETE);
  8176. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8177. return 0;
  8178. }
  8179. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8180. u32 shmem_base_path[],
  8181. u32 chip_id)
  8182. {
  8183. u32 reset_pin[2];
  8184. u32 idx;
  8185. u8 reset_gpios;
  8186. if (CHIP_IS_E3(bp)) {
  8187. /* Assume that these will be GPIOs, not EPIOs. */
  8188. for (idx = 0; idx < 2; idx++) {
  8189. /* Map config param to register bit. */
  8190. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8191. offsetof(struct shmem_region,
  8192. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8193. reset_pin[idx] = (reset_pin[idx] &
  8194. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8195. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8196. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8197. reset_pin[idx] = (1 << reset_pin[idx]);
  8198. }
  8199. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8200. } else {
  8201. /* E2, look from diff place of shmem. */
  8202. for (idx = 0; idx < 2; idx++) {
  8203. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8204. offsetof(struct shmem_region,
  8205. dev_info.port_hw_config[0].default_cfg));
  8206. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8207. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8208. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8209. reset_pin[idx] = (1 << reset_pin[idx]);
  8210. }
  8211. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8212. }
  8213. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8214. udelay(10);
  8215. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8216. msleep(800);
  8217. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8218. reset_gpios);
  8219. return 0;
  8220. }
  8221. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8222. struct link_params *params,
  8223. struct link_vars *vars)
  8224. {
  8225. struct bnx2x *bp = params->bp;
  8226. u8 port, initialize = 1;
  8227. u16 val;
  8228. u16 temp;
  8229. u32 actual_phy_selection, cms_enable;
  8230. int rc = 0;
  8231. msleep(1);
  8232. if (!(CHIP_IS_E1(bp)))
  8233. port = BP_PATH(bp);
  8234. else
  8235. port = params->port;
  8236. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8237. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8238. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8239. port);
  8240. } else {
  8241. bnx2x_cl45_write(bp, phy,
  8242. MDIO_PMA_DEVAD,
  8243. MDIO_PMA_REG_CTRL, 0x8000);
  8244. }
  8245. bnx2x_wait_reset_complete(bp, phy, params);
  8246. /* Wait for GPHY to come out of reset */
  8247. msleep(50);
  8248. /* Bring PHY out of super isolate mode */
  8249. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8250. bnx2x_cl45_read(bp, phy,
  8251. MDIO_CTL_DEVAD,
  8252. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8253. val &= ~MDIO_84833_SUPER_ISOLATE;
  8254. bnx2x_cl45_write(bp, phy,
  8255. MDIO_CTL_DEVAD,
  8256. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8257. bnx2x_wait_reset_complete(bp, phy, params);
  8258. }
  8259. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8260. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8261. /*
  8262. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8263. */
  8264. temp = vars->line_speed;
  8265. vars->line_speed = SPEED_10000;
  8266. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8267. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8268. vars->line_speed = temp;
  8269. /* Set dual-media configuration according to configuration */
  8270. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8271. MDIO_CTL_REG_84823_MEDIA, &val);
  8272. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8273. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8274. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8275. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8276. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8277. if (CHIP_IS_E3(bp)) {
  8278. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8279. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8280. } else {
  8281. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8282. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8283. }
  8284. actual_phy_selection = bnx2x_phy_selection(params);
  8285. switch (actual_phy_selection) {
  8286. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8287. /* Do nothing. Essentially this is like the priority copper */
  8288. break;
  8289. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8290. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8291. break;
  8292. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8293. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8294. break;
  8295. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8296. /* Do nothing here. The first PHY won't be initialized at all */
  8297. break;
  8298. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8299. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8300. initialize = 0;
  8301. break;
  8302. }
  8303. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8304. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8305. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8306. MDIO_CTL_REG_84823_MEDIA, val);
  8307. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8308. params->multi_phy_config, val);
  8309. if (initialize)
  8310. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8311. else
  8312. bnx2x_save_848xx_spirom_version(phy, params);
  8313. cms_enable = REG_RD(bp, params->shmem_base +
  8314. offsetof(struct shmem_region,
  8315. dev_info.port_hw_config[params->port].default_cfg)) &
  8316. PORT_HW_CFG_ENABLE_CMS_MASK;
  8317. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8318. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8319. if (cms_enable)
  8320. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8321. else
  8322. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8323. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8324. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8325. return rc;
  8326. }
  8327. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8328. struct link_params *params,
  8329. struct link_vars *vars)
  8330. {
  8331. struct bnx2x *bp = params->bp;
  8332. u16 val, val1, val2;
  8333. u8 link_up = 0;
  8334. /* Check 10G-BaseT link status */
  8335. /* Check PMD signal ok */
  8336. bnx2x_cl45_read(bp, phy,
  8337. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8338. bnx2x_cl45_read(bp, phy,
  8339. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8340. &val2);
  8341. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8342. /* Check link 10G */
  8343. if (val2 & (1<<11)) {
  8344. vars->line_speed = SPEED_10000;
  8345. vars->duplex = DUPLEX_FULL;
  8346. link_up = 1;
  8347. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8348. } else { /* Check Legacy speed link */
  8349. u16 legacy_status, legacy_speed;
  8350. /* Enable expansion register 0x42 (Operation mode status) */
  8351. bnx2x_cl45_write(bp, phy,
  8352. MDIO_AN_DEVAD,
  8353. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8354. /* Get legacy speed operation status */
  8355. bnx2x_cl45_read(bp, phy,
  8356. MDIO_AN_DEVAD,
  8357. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8358. &legacy_status);
  8359. DP(NETIF_MSG_LINK, "Legacy speed status"
  8360. " = 0x%x\n", legacy_status);
  8361. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8362. if (link_up) {
  8363. legacy_speed = (legacy_status & (3<<9));
  8364. if (legacy_speed == (0<<9))
  8365. vars->line_speed = SPEED_10;
  8366. else if (legacy_speed == (1<<9))
  8367. vars->line_speed = SPEED_100;
  8368. else if (legacy_speed == (2<<9))
  8369. vars->line_speed = SPEED_1000;
  8370. else /* Should not happen */
  8371. vars->line_speed = 0;
  8372. if (legacy_status & (1<<8))
  8373. vars->duplex = DUPLEX_FULL;
  8374. else
  8375. vars->duplex = DUPLEX_HALF;
  8376. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8377. " is_duplex_full= %d\n", vars->line_speed,
  8378. (vars->duplex == DUPLEX_FULL));
  8379. /* Check legacy speed AN resolution */
  8380. bnx2x_cl45_read(bp, phy,
  8381. MDIO_AN_DEVAD,
  8382. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8383. &val);
  8384. if (val & (1<<5))
  8385. vars->link_status |=
  8386. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8387. bnx2x_cl45_read(bp, phy,
  8388. MDIO_AN_DEVAD,
  8389. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8390. &val);
  8391. if ((val & (1<<0)) == 0)
  8392. vars->link_status |=
  8393. LINK_STATUS_PARALLEL_DETECTION_USED;
  8394. }
  8395. }
  8396. if (link_up) {
  8397. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8398. vars->line_speed);
  8399. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8400. }
  8401. return link_up;
  8402. }
  8403. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8404. {
  8405. int status = 0;
  8406. u32 spirom_ver;
  8407. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8408. status = bnx2x_format_ver(spirom_ver, str, len);
  8409. return status;
  8410. }
  8411. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8412. struct link_params *params)
  8413. {
  8414. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8415. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8416. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8417. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8418. }
  8419. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8420. struct link_params *params)
  8421. {
  8422. bnx2x_cl45_write(params->bp, phy,
  8423. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8424. bnx2x_cl45_write(params->bp, phy,
  8425. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8426. }
  8427. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8428. struct link_params *params)
  8429. {
  8430. struct bnx2x *bp = params->bp;
  8431. u8 port;
  8432. u16 val16;
  8433. if (!(CHIP_IS_E1(bp)))
  8434. port = BP_PATH(bp);
  8435. else
  8436. port = params->port;
  8437. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8438. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8439. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8440. port);
  8441. } else {
  8442. bnx2x_cl45_read(bp, phy,
  8443. MDIO_CTL_DEVAD,
  8444. 0x400f, &val16);
  8445. /* Put to low power mode on newer FW */
  8446. if ((val16 & 0x303f) > 0x1009)
  8447. bnx2x_cl45_write(bp, phy,
  8448. MDIO_PMA_DEVAD,
  8449. MDIO_PMA_REG_CTRL, 0x800);
  8450. }
  8451. }
  8452. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8453. struct link_params *params, u8 mode)
  8454. {
  8455. struct bnx2x *bp = params->bp;
  8456. u16 val;
  8457. u8 port;
  8458. if (!(CHIP_IS_E1(bp)))
  8459. port = BP_PATH(bp);
  8460. else
  8461. port = params->port;
  8462. switch (mode) {
  8463. case LED_MODE_OFF:
  8464. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8465. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8466. SHARED_HW_CFG_LED_EXTPHY1) {
  8467. /* Set LED masks */
  8468. bnx2x_cl45_write(bp, phy,
  8469. MDIO_PMA_DEVAD,
  8470. MDIO_PMA_REG_8481_LED1_MASK,
  8471. 0x0);
  8472. bnx2x_cl45_write(bp, phy,
  8473. MDIO_PMA_DEVAD,
  8474. MDIO_PMA_REG_8481_LED2_MASK,
  8475. 0x0);
  8476. bnx2x_cl45_write(bp, phy,
  8477. MDIO_PMA_DEVAD,
  8478. MDIO_PMA_REG_8481_LED3_MASK,
  8479. 0x0);
  8480. bnx2x_cl45_write(bp, phy,
  8481. MDIO_PMA_DEVAD,
  8482. MDIO_PMA_REG_8481_LED5_MASK,
  8483. 0x0);
  8484. } else {
  8485. bnx2x_cl45_write(bp, phy,
  8486. MDIO_PMA_DEVAD,
  8487. MDIO_PMA_REG_8481_LED1_MASK,
  8488. 0x0);
  8489. }
  8490. break;
  8491. case LED_MODE_FRONT_PANEL_OFF:
  8492. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8493. port);
  8494. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8495. SHARED_HW_CFG_LED_EXTPHY1) {
  8496. /* Set LED masks */
  8497. bnx2x_cl45_write(bp, phy,
  8498. MDIO_PMA_DEVAD,
  8499. MDIO_PMA_REG_8481_LED1_MASK,
  8500. 0x0);
  8501. bnx2x_cl45_write(bp, phy,
  8502. MDIO_PMA_DEVAD,
  8503. MDIO_PMA_REG_8481_LED2_MASK,
  8504. 0x0);
  8505. bnx2x_cl45_write(bp, phy,
  8506. MDIO_PMA_DEVAD,
  8507. MDIO_PMA_REG_8481_LED3_MASK,
  8508. 0x0);
  8509. bnx2x_cl45_write(bp, phy,
  8510. MDIO_PMA_DEVAD,
  8511. MDIO_PMA_REG_8481_LED5_MASK,
  8512. 0x20);
  8513. } else {
  8514. bnx2x_cl45_write(bp, phy,
  8515. MDIO_PMA_DEVAD,
  8516. MDIO_PMA_REG_8481_LED1_MASK,
  8517. 0x0);
  8518. }
  8519. break;
  8520. case LED_MODE_ON:
  8521. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8522. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8523. SHARED_HW_CFG_LED_EXTPHY1) {
  8524. /* Set control reg */
  8525. bnx2x_cl45_read(bp, phy,
  8526. MDIO_PMA_DEVAD,
  8527. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8528. &val);
  8529. val &= 0x8000;
  8530. val |= 0x2492;
  8531. bnx2x_cl45_write(bp, phy,
  8532. MDIO_PMA_DEVAD,
  8533. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8534. val);
  8535. /* Set LED masks */
  8536. bnx2x_cl45_write(bp, phy,
  8537. MDIO_PMA_DEVAD,
  8538. MDIO_PMA_REG_8481_LED1_MASK,
  8539. 0x0);
  8540. bnx2x_cl45_write(bp, phy,
  8541. MDIO_PMA_DEVAD,
  8542. MDIO_PMA_REG_8481_LED2_MASK,
  8543. 0x20);
  8544. bnx2x_cl45_write(bp, phy,
  8545. MDIO_PMA_DEVAD,
  8546. MDIO_PMA_REG_8481_LED3_MASK,
  8547. 0x20);
  8548. bnx2x_cl45_write(bp, phy,
  8549. MDIO_PMA_DEVAD,
  8550. MDIO_PMA_REG_8481_LED5_MASK,
  8551. 0x0);
  8552. } else {
  8553. bnx2x_cl45_write(bp, phy,
  8554. MDIO_PMA_DEVAD,
  8555. MDIO_PMA_REG_8481_LED1_MASK,
  8556. 0x20);
  8557. }
  8558. break;
  8559. case LED_MODE_OPER:
  8560. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8561. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8562. SHARED_HW_CFG_LED_EXTPHY1) {
  8563. /* Set control reg */
  8564. bnx2x_cl45_read(bp, phy,
  8565. MDIO_PMA_DEVAD,
  8566. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8567. &val);
  8568. if (!((val &
  8569. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8570. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8571. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8572. bnx2x_cl45_write(bp, phy,
  8573. MDIO_PMA_DEVAD,
  8574. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8575. 0xa492);
  8576. }
  8577. /* Set LED masks */
  8578. bnx2x_cl45_write(bp, phy,
  8579. MDIO_PMA_DEVAD,
  8580. MDIO_PMA_REG_8481_LED1_MASK,
  8581. 0x10);
  8582. bnx2x_cl45_write(bp, phy,
  8583. MDIO_PMA_DEVAD,
  8584. MDIO_PMA_REG_8481_LED2_MASK,
  8585. 0x80);
  8586. bnx2x_cl45_write(bp, phy,
  8587. MDIO_PMA_DEVAD,
  8588. MDIO_PMA_REG_8481_LED3_MASK,
  8589. 0x98);
  8590. bnx2x_cl45_write(bp, phy,
  8591. MDIO_PMA_DEVAD,
  8592. MDIO_PMA_REG_8481_LED5_MASK,
  8593. 0x40);
  8594. } else {
  8595. bnx2x_cl45_write(bp, phy,
  8596. MDIO_PMA_DEVAD,
  8597. MDIO_PMA_REG_8481_LED1_MASK,
  8598. 0x80);
  8599. /* Tell LED3 to blink on source */
  8600. bnx2x_cl45_read(bp, phy,
  8601. MDIO_PMA_DEVAD,
  8602. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8603. &val);
  8604. val &= ~(7<<6);
  8605. val |= (1<<6); /* A83B[8:6]= 1 */
  8606. bnx2x_cl45_write(bp, phy,
  8607. MDIO_PMA_DEVAD,
  8608. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8609. val);
  8610. }
  8611. break;
  8612. }
  8613. /*
  8614. * This is a workaround for E3+84833 until autoneg
  8615. * restart is fixed in f/w
  8616. */
  8617. if (CHIP_IS_E3(bp)) {
  8618. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8619. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8620. }
  8621. }
  8622. /******************************************************************/
  8623. /* 54616S PHY SECTION */
  8624. /******************************************************************/
  8625. static int bnx2x_54616s_config_init(struct bnx2x_phy *phy,
  8626. struct link_params *params,
  8627. struct link_vars *vars)
  8628. {
  8629. struct bnx2x *bp = params->bp;
  8630. u8 port;
  8631. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8632. u32 cfg_pin;
  8633. DP(NETIF_MSG_LINK, "54616S cfg init\n");
  8634. usleep_range(1000, 1000);
  8635. /* This works with E3 only, no need to check the chip
  8636. before determining the port. */
  8637. port = params->port;
  8638. cfg_pin = (REG_RD(bp, params->shmem_base +
  8639. offsetof(struct shmem_region,
  8640. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8641. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8642. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8643. /* Drive pin high to bring the GPHY out of reset. */
  8644. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8645. /* wait for GPHY to reset */
  8646. msleep(50);
  8647. /* reset phy */
  8648. bnx2x_cl22_write(bp, phy,
  8649. MDIO_PMA_REG_CTRL, 0x8000);
  8650. bnx2x_wait_reset_complete(bp, phy, params);
  8651. /*wait for GPHY to reset */
  8652. msleep(50);
  8653. /* Configure LED4: set to INTR (0x6). */
  8654. /* Accessing shadow register 0xe. */
  8655. bnx2x_cl22_write(bp, phy,
  8656. MDIO_REG_GPHY_SHADOW,
  8657. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8658. bnx2x_cl22_read(bp, phy,
  8659. MDIO_REG_GPHY_SHADOW,
  8660. &temp);
  8661. temp &= ~(0xf << 4);
  8662. temp |= (0x6 << 4);
  8663. bnx2x_cl22_write(bp, phy,
  8664. MDIO_REG_GPHY_SHADOW,
  8665. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8666. /* Configure INTR based on link status change. */
  8667. bnx2x_cl22_write(bp, phy,
  8668. MDIO_REG_INTR_MASK,
  8669. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8670. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8671. bnx2x_cl22_write(bp, phy,
  8672. MDIO_REG_GPHY_SHADOW,
  8673. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8674. bnx2x_cl22_read(bp, phy,
  8675. MDIO_REG_GPHY_SHADOW,
  8676. &temp);
  8677. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8678. bnx2x_cl22_write(bp, phy,
  8679. MDIO_REG_GPHY_SHADOW,
  8680. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8681. /* Set up fc */
  8682. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8683. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8684. fc_val = 0;
  8685. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8686. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8687. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8688. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8689. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8690. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8691. /* read all advertisement */
  8692. bnx2x_cl22_read(bp, phy,
  8693. 0x09,
  8694. &an_1000_val);
  8695. bnx2x_cl22_read(bp, phy,
  8696. 0x04,
  8697. &an_10_100_val);
  8698. bnx2x_cl22_read(bp, phy,
  8699. MDIO_PMA_REG_CTRL,
  8700. &autoneg_val);
  8701. /* Disable forced speed */
  8702. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8703. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8704. (1<<11));
  8705. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8706. (phy->speed_cap_mask &
  8707. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8708. (phy->req_line_speed == SPEED_1000)) {
  8709. an_1000_val |= (1<<8);
  8710. autoneg_val |= (1<<9 | 1<<12);
  8711. if (phy->req_duplex == DUPLEX_FULL)
  8712. an_1000_val |= (1<<9);
  8713. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8714. } else
  8715. an_1000_val &= ~((1<<8) | (1<<9));
  8716. bnx2x_cl22_write(bp, phy,
  8717. 0x09,
  8718. an_1000_val);
  8719. bnx2x_cl22_read(bp, phy,
  8720. 0x09,
  8721. &an_1000_val);
  8722. /* set 100 speed advertisement */
  8723. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8724. (phy->speed_cap_mask &
  8725. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8726. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8727. an_10_100_val |= (1<<7);
  8728. /* Enable autoneg and restart autoneg for legacy speeds */
  8729. autoneg_val |= (1<<9 | 1<<12);
  8730. if (phy->req_duplex == DUPLEX_FULL)
  8731. an_10_100_val |= (1<<8);
  8732. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8733. }
  8734. /* set 10 speed advertisement */
  8735. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8736. (phy->speed_cap_mask &
  8737. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8738. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8739. an_10_100_val |= (1<<5);
  8740. autoneg_val |= (1<<9 | 1<<12);
  8741. if (phy->req_duplex == DUPLEX_FULL)
  8742. an_10_100_val |= (1<<6);
  8743. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8744. }
  8745. /* Only 10/100 are allowed to work in FORCE mode */
  8746. if (phy->req_line_speed == SPEED_100) {
  8747. autoneg_val |= (1<<13);
  8748. /* Enabled AUTO-MDIX when autoneg is disabled */
  8749. bnx2x_cl22_write(bp, phy,
  8750. 0x18,
  8751. (1<<15 | 1<<9 | 7<<0));
  8752. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8753. }
  8754. if (phy->req_line_speed == SPEED_10) {
  8755. /* Enabled AUTO-MDIX when autoneg is disabled */
  8756. bnx2x_cl22_write(bp, phy,
  8757. 0x18,
  8758. (1<<15 | 1<<9 | 7<<0));
  8759. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8760. }
  8761. bnx2x_cl22_write(bp, phy,
  8762. 0x04,
  8763. an_10_100_val | fc_val);
  8764. if (phy->req_duplex == DUPLEX_FULL)
  8765. autoneg_val |= (1<<8);
  8766. bnx2x_cl22_write(bp, phy,
  8767. MDIO_PMA_REG_CTRL, autoneg_val);
  8768. return 0;
  8769. }
  8770. static void bnx2x_54616s_set_link_led(struct bnx2x_phy *phy,
  8771. struct link_params *params, u8 mode)
  8772. {
  8773. struct bnx2x *bp = params->bp;
  8774. DP(NETIF_MSG_LINK, "54616S set link led (mode=%x)\n", mode);
  8775. switch (mode) {
  8776. case LED_MODE_FRONT_PANEL_OFF:
  8777. case LED_MODE_OFF:
  8778. case LED_MODE_OPER:
  8779. case LED_MODE_ON:
  8780. default:
  8781. break;
  8782. }
  8783. return;
  8784. }
  8785. static void bnx2x_54616s_link_reset(struct bnx2x_phy *phy,
  8786. struct link_params *params)
  8787. {
  8788. struct bnx2x *bp = params->bp;
  8789. u32 cfg_pin;
  8790. u8 port;
  8791. /* This works with E3 only, no need to check the chip
  8792. before determining the port. */
  8793. port = params->port;
  8794. cfg_pin = (REG_RD(bp, params->shmem_base +
  8795. offsetof(struct shmem_region,
  8796. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8797. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8798. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8799. /* Drive pin low to put GPHY in reset. */
  8800. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  8801. }
  8802. static u8 bnx2x_54616s_read_status(struct bnx2x_phy *phy,
  8803. struct link_params *params,
  8804. struct link_vars *vars)
  8805. {
  8806. struct bnx2x *bp = params->bp;
  8807. u16 val;
  8808. u8 link_up = 0;
  8809. u16 legacy_status, legacy_speed;
  8810. /* Get speed operation status */
  8811. bnx2x_cl22_read(bp, phy,
  8812. 0x19,
  8813. &legacy_status);
  8814. DP(NETIF_MSG_LINK, "54616S read_status: 0x%x\n", legacy_status);
  8815. /* Read status to clear the PHY interrupt. */
  8816. bnx2x_cl22_read(bp, phy,
  8817. MDIO_REG_INTR_STATUS,
  8818. &val);
  8819. link_up = ((legacy_status & (1<<2)) == (1<<2));
  8820. if (link_up) {
  8821. legacy_speed = (legacy_status & (7<<8));
  8822. if (legacy_speed == (7<<8)) {
  8823. vars->line_speed = SPEED_1000;
  8824. vars->duplex = DUPLEX_FULL;
  8825. } else if (legacy_speed == (6<<8)) {
  8826. vars->line_speed = SPEED_1000;
  8827. vars->duplex = DUPLEX_HALF;
  8828. } else if (legacy_speed == (5<<8)) {
  8829. vars->line_speed = SPEED_100;
  8830. vars->duplex = DUPLEX_FULL;
  8831. }
  8832. /* Omitting 100Base-T4 for now */
  8833. else if (legacy_speed == (3<<8)) {
  8834. vars->line_speed = SPEED_100;
  8835. vars->duplex = DUPLEX_HALF;
  8836. } else if (legacy_speed == (2<<8)) {
  8837. vars->line_speed = SPEED_10;
  8838. vars->duplex = DUPLEX_FULL;
  8839. } else if (legacy_speed == (1<<8)) {
  8840. vars->line_speed = SPEED_10;
  8841. vars->duplex = DUPLEX_HALF;
  8842. } else /* Should not happen */
  8843. vars->line_speed = 0;
  8844. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8845. " is_duplex_full= %d\n", vars->line_speed,
  8846. (vars->duplex == DUPLEX_FULL));
  8847. /* Check legacy speed AN resolution */
  8848. bnx2x_cl22_read(bp, phy,
  8849. 0x01,
  8850. &val);
  8851. if (val & (1<<5))
  8852. vars->link_status |=
  8853. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8854. bnx2x_cl22_read(bp, phy,
  8855. 0x06,
  8856. &val);
  8857. if ((val & (1<<0)) == 0)
  8858. vars->link_status |=
  8859. LINK_STATUS_PARALLEL_DETECTION_USED;
  8860. DP(NETIF_MSG_LINK, "BCM54616S: link speed is %d\n",
  8861. vars->line_speed);
  8862. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8863. }
  8864. return link_up;
  8865. }
  8866. static void bnx2x_54616s_config_loopback(struct bnx2x_phy *phy,
  8867. struct link_params *params)
  8868. {
  8869. struct bnx2x *bp = params->bp;
  8870. u16 val;
  8871. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  8872. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54616s\n");
  8873. /* Enable master/slave manual mmode and set to master */
  8874. /* mii write 9 [bits set 11 12] */
  8875. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  8876. /* forced 1G and disable autoneg */
  8877. /* set val [mii read 0] */
  8878. /* set val [expr $val & [bits clear 6 12 13]] */
  8879. /* set val [expr $val | [bits set 6 8]] */
  8880. /* mii write 0 $val */
  8881. bnx2x_cl22_read(bp, phy, 0x00, &val);
  8882. val &= ~((1<<6) | (1<<12) | (1<<13));
  8883. val |= (1<<6) | (1<<8);
  8884. bnx2x_cl22_write(bp, phy, 0x00, val);
  8885. /* Set external loopback and Tx using 6dB coding */
  8886. /* mii write 0x18 7 */
  8887. /* set val [mii read 0x18] */
  8888. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  8889. bnx2x_cl22_write(bp, phy, 0x18, 7);
  8890. bnx2x_cl22_read(bp, phy, 0x18, &val);
  8891. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  8892. /* This register opens the gate for the UMAC despite its name */
  8893. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  8894. /*
  8895. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  8896. * length used by the MAC receive logic to check frames.
  8897. */
  8898. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  8899. }
  8900. /******************************************************************/
  8901. /* SFX7101 PHY SECTION */
  8902. /******************************************************************/
  8903. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  8904. struct link_params *params)
  8905. {
  8906. struct bnx2x *bp = params->bp;
  8907. /* SFX7101_XGXS_TEST1 */
  8908. bnx2x_cl45_write(bp, phy,
  8909. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  8910. }
  8911. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  8912. struct link_params *params,
  8913. struct link_vars *vars)
  8914. {
  8915. u16 fw_ver1, fw_ver2, val;
  8916. struct bnx2x *bp = params->bp;
  8917. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  8918. /* Restore normal power mode*/
  8919. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8920. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8921. /* HW reset */
  8922. bnx2x_ext_phy_hw_reset(bp, params->port);
  8923. bnx2x_wait_reset_complete(bp, phy, params);
  8924. bnx2x_cl45_write(bp, phy,
  8925. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  8926. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  8927. bnx2x_cl45_write(bp, phy,
  8928. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  8929. bnx2x_ext_phy_set_pause(params, phy, vars);
  8930. /* Restart autoneg */
  8931. bnx2x_cl45_read(bp, phy,
  8932. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  8933. val |= 0x200;
  8934. bnx2x_cl45_write(bp, phy,
  8935. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  8936. /* Save spirom version */
  8937. bnx2x_cl45_read(bp, phy,
  8938. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  8939. bnx2x_cl45_read(bp, phy,
  8940. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  8941. bnx2x_save_spirom_version(bp, params->port,
  8942. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  8943. return 0;
  8944. }
  8945. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  8946. struct link_params *params,
  8947. struct link_vars *vars)
  8948. {
  8949. struct bnx2x *bp = params->bp;
  8950. u8 link_up;
  8951. u16 val1, val2;
  8952. bnx2x_cl45_read(bp, phy,
  8953. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  8954. bnx2x_cl45_read(bp, phy,
  8955. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  8956. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  8957. val2, val1);
  8958. bnx2x_cl45_read(bp, phy,
  8959. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  8960. bnx2x_cl45_read(bp, phy,
  8961. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  8962. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  8963. val2, val1);
  8964. link_up = ((val1 & 4) == 4);
  8965. /* if link is up print the AN outcome of the SFX7101 PHY */
  8966. if (link_up) {
  8967. bnx2x_cl45_read(bp, phy,
  8968. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  8969. &val2);
  8970. vars->line_speed = SPEED_10000;
  8971. vars->duplex = DUPLEX_FULL;
  8972. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  8973. val2, (val2 & (1<<14)));
  8974. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8975. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8976. }
  8977. return link_up;
  8978. }
  8979. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  8980. {
  8981. if (*len < 5)
  8982. return -EINVAL;
  8983. str[0] = (spirom_ver & 0xFF);
  8984. str[1] = (spirom_ver & 0xFF00) >> 8;
  8985. str[2] = (spirom_ver & 0xFF0000) >> 16;
  8986. str[3] = (spirom_ver & 0xFF000000) >> 24;
  8987. str[4] = '\0';
  8988. *len -= 5;
  8989. return 0;
  8990. }
  8991. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  8992. {
  8993. u16 val, cnt;
  8994. bnx2x_cl45_read(bp, phy,
  8995. MDIO_PMA_DEVAD,
  8996. MDIO_PMA_REG_7101_RESET, &val);
  8997. for (cnt = 0; cnt < 10; cnt++) {
  8998. msleep(50);
  8999. /* Writes a self-clearing reset */
  9000. bnx2x_cl45_write(bp, phy,
  9001. MDIO_PMA_DEVAD,
  9002. MDIO_PMA_REG_7101_RESET,
  9003. (val | (1<<15)));
  9004. /* Wait for clear */
  9005. bnx2x_cl45_read(bp, phy,
  9006. MDIO_PMA_DEVAD,
  9007. MDIO_PMA_REG_7101_RESET, &val);
  9008. if ((val & (1<<15)) == 0)
  9009. break;
  9010. }
  9011. }
  9012. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9013. struct link_params *params) {
  9014. /* Low power mode is controlled by GPIO 2 */
  9015. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9016. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9017. /* The PHY reset is controlled by GPIO 1 */
  9018. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9019. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9020. }
  9021. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9022. struct link_params *params, u8 mode)
  9023. {
  9024. u16 val = 0;
  9025. struct bnx2x *bp = params->bp;
  9026. switch (mode) {
  9027. case LED_MODE_FRONT_PANEL_OFF:
  9028. case LED_MODE_OFF:
  9029. val = 2;
  9030. break;
  9031. case LED_MODE_ON:
  9032. val = 1;
  9033. break;
  9034. case LED_MODE_OPER:
  9035. val = 0;
  9036. break;
  9037. }
  9038. bnx2x_cl45_write(bp, phy,
  9039. MDIO_PMA_DEVAD,
  9040. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9041. val);
  9042. }
  9043. /******************************************************************/
  9044. /* STATIC PHY DECLARATION */
  9045. /******************************************************************/
  9046. static struct bnx2x_phy phy_null = {
  9047. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9048. .addr = 0,
  9049. .def_md_devad = 0,
  9050. .flags = FLAGS_INIT_XGXS_FIRST,
  9051. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9052. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9053. .mdio_ctrl = 0,
  9054. .supported = 0,
  9055. .media_type = ETH_PHY_NOT_PRESENT,
  9056. .ver_addr = 0,
  9057. .req_flow_ctrl = 0,
  9058. .req_line_speed = 0,
  9059. .speed_cap_mask = 0,
  9060. .req_duplex = 0,
  9061. .rsrv = 0,
  9062. .config_init = (config_init_t)NULL,
  9063. .read_status = (read_status_t)NULL,
  9064. .link_reset = (link_reset_t)NULL,
  9065. .config_loopback = (config_loopback_t)NULL,
  9066. .format_fw_ver = (format_fw_ver_t)NULL,
  9067. .hw_reset = (hw_reset_t)NULL,
  9068. .set_link_led = (set_link_led_t)NULL,
  9069. .phy_specific_func = (phy_specific_func_t)NULL
  9070. };
  9071. static struct bnx2x_phy phy_serdes = {
  9072. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9073. .addr = 0xff,
  9074. .def_md_devad = 0,
  9075. .flags = 0,
  9076. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9077. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9078. .mdio_ctrl = 0,
  9079. .supported = (SUPPORTED_10baseT_Half |
  9080. SUPPORTED_10baseT_Full |
  9081. SUPPORTED_100baseT_Half |
  9082. SUPPORTED_100baseT_Full |
  9083. SUPPORTED_1000baseT_Full |
  9084. SUPPORTED_2500baseX_Full |
  9085. SUPPORTED_TP |
  9086. SUPPORTED_Autoneg |
  9087. SUPPORTED_Pause |
  9088. SUPPORTED_Asym_Pause),
  9089. .media_type = ETH_PHY_BASE_T,
  9090. .ver_addr = 0,
  9091. .req_flow_ctrl = 0,
  9092. .req_line_speed = 0,
  9093. .speed_cap_mask = 0,
  9094. .req_duplex = 0,
  9095. .rsrv = 0,
  9096. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9097. .read_status = (read_status_t)bnx2x_link_settings_status,
  9098. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9099. .config_loopback = (config_loopback_t)NULL,
  9100. .format_fw_ver = (format_fw_ver_t)NULL,
  9101. .hw_reset = (hw_reset_t)NULL,
  9102. .set_link_led = (set_link_led_t)NULL,
  9103. .phy_specific_func = (phy_specific_func_t)NULL
  9104. };
  9105. static struct bnx2x_phy phy_xgxs = {
  9106. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9107. .addr = 0xff,
  9108. .def_md_devad = 0,
  9109. .flags = 0,
  9110. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9111. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9112. .mdio_ctrl = 0,
  9113. .supported = (SUPPORTED_10baseT_Half |
  9114. SUPPORTED_10baseT_Full |
  9115. SUPPORTED_100baseT_Half |
  9116. SUPPORTED_100baseT_Full |
  9117. SUPPORTED_1000baseT_Full |
  9118. SUPPORTED_2500baseX_Full |
  9119. SUPPORTED_10000baseT_Full |
  9120. SUPPORTED_FIBRE |
  9121. SUPPORTED_Autoneg |
  9122. SUPPORTED_Pause |
  9123. SUPPORTED_Asym_Pause),
  9124. .media_type = ETH_PHY_CX4,
  9125. .ver_addr = 0,
  9126. .req_flow_ctrl = 0,
  9127. .req_line_speed = 0,
  9128. .speed_cap_mask = 0,
  9129. .req_duplex = 0,
  9130. .rsrv = 0,
  9131. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9132. .read_status = (read_status_t)bnx2x_link_settings_status,
  9133. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9134. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9135. .format_fw_ver = (format_fw_ver_t)NULL,
  9136. .hw_reset = (hw_reset_t)NULL,
  9137. .set_link_led = (set_link_led_t)NULL,
  9138. .phy_specific_func = (phy_specific_func_t)NULL
  9139. };
  9140. static struct bnx2x_phy phy_warpcore = {
  9141. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9142. .addr = 0xff,
  9143. .def_md_devad = 0,
  9144. .flags = FLAGS_HW_LOCK_REQUIRED,
  9145. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9146. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9147. .mdio_ctrl = 0,
  9148. .supported = (SUPPORTED_10baseT_Half |
  9149. SUPPORTED_10baseT_Full |
  9150. SUPPORTED_100baseT_Half |
  9151. SUPPORTED_100baseT_Full |
  9152. SUPPORTED_1000baseT_Full |
  9153. SUPPORTED_10000baseT_Full |
  9154. SUPPORTED_20000baseKR2_Full |
  9155. SUPPORTED_20000baseMLD2_Full |
  9156. SUPPORTED_FIBRE |
  9157. SUPPORTED_Autoneg |
  9158. SUPPORTED_Pause |
  9159. SUPPORTED_Asym_Pause),
  9160. .media_type = ETH_PHY_UNSPECIFIED,
  9161. .ver_addr = 0,
  9162. .req_flow_ctrl = 0,
  9163. .req_line_speed = 0,
  9164. .speed_cap_mask = 0,
  9165. /* req_duplex = */0,
  9166. /* rsrv = */0,
  9167. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9168. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9169. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9170. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9171. .format_fw_ver = (format_fw_ver_t)NULL,
  9172. .hw_reset = (hw_reset_t)NULL,
  9173. .set_link_led = (set_link_led_t)NULL,
  9174. .phy_specific_func = (phy_specific_func_t)NULL
  9175. };
  9176. static struct bnx2x_phy phy_7101 = {
  9177. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9178. .addr = 0xff,
  9179. .def_md_devad = 0,
  9180. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9181. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9182. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9183. .mdio_ctrl = 0,
  9184. .supported = (SUPPORTED_10000baseT_Full |
  9185. SUPPORTED_TP |
  9186. SUPPORTED_Autoneg |
  9187. SUPPORTED_Pause |
  9188. SUPPORTED_Asym_Pause),
  9189. .media_type = ETH_PHY_BASE_T,
  9190. .ver_addr = 0,
  9191. .req_flow_ctrl = 0,
  9192. .req_line_speed = 0,
  9193. .speed_cap_mask = 0,
  9194. .req_duplex = 0,
  9195. .rsrv = 0,
  9196. .config_init = (config_init_t)bnx2x_7101_config_init,
  9197. .read_status = (read_status_t)bnx2x_7101_read_status,
  9198. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9199. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9200. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9201. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9202. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9203. .phy_specific_func = (phy_specific_func_t)NULL
  9204. };
  9205. static struct bnx2x_phy phy_8073 = {
  9206. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9207. .addr = 0xff,
  9208. .def_md_devad = 0,
  9209. .flags = FLAGS_HW_LOCK_REQUIRED,
  9210. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9211. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9212. .mdio_ctrl = 0,
  9213. .supported = (SUPPORTED_10000baseT_Full |
  9214. SUPPORTED_2500baseX_Full |
  9215. SUPPORTED_1000baseT_Full |
  9216. SUPPORTED_FIBRE |
  9217. SUPPORTED_Autoneg |
  9218. SUPPORTED_Pause |
  9219. SUPPORTED_Asym_Pause),
  9220. .media_type = ETH_PHY_KR,
  9221. .ver_addr = 0,
  9222. .req_flow_ctrl = 0,
  9223. .req_line_speed = 0,
  9224. .speed_cap_mask = 0,
  9225. .req_duplex = 0,
  9226. .rsrv = 0,
  9227. .config_init = (config_init_t)bnx2x_8073_config_init,
  9228. .read_status = (read_status_t)bnx2x_8073_read_status,
  9229. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9230. .config_loopback = (config_loopback_t)NULL,
  9231. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9232. .hw_reset = (hw_reset_t)NULL,
  9233. .set_link_led = (set_link_led_t)NULL,
  9234. .phy_specific_func = (phy_specific_func_t)NULL
  9235. };
  9236. static struct bnx2x_phy phy_8705 = {
  9237. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9238. .addr = 0xff,
  9239. .def_md_devad = 0,
  9240. .flags = FLAGS_INIT_XGXS_FIRST,
  9241. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9242. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9243. .mdio_ctrl = 0,
  9244. .supported = (SUPPORTED_10000baseT_Full |
  9245. SUPPORTED_FIBRE |
  9246. SUPPORTED_Pause |
  9247. SUPPORTED_Asym_Pause),
  9248. .media_type = ETH_PHY_XFP_FIBER,
  9249. .ver_addr = 0,
  9250. .req_flow_ctrl = 0,
  9251. .req_line_speed = 0,
  9252. .speed_cap_mask = 0,
  9253. .req_duplex = 0,
  9254. .rsrv = 0,
  9255. .config_init = (config_init_t)bnx2x_8705_config_init,
  9256. .read_status = (read_status_t)bnx2x_8705_read_status,
  9257. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9258. .config_loopback = (config_loopback_t)NULL,
  9259. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9260. .hw_reset = (hw_reset_t)NULL,
  9261. .set_link_led = (set_link_led_t)NULL,
  9262. .phy_specific_func = (phy_specific_func_t)NULL
  9263. };
  9264. static struct bnx2x_phy phy_8706 = {
  9265. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9266. .addr = 0xff,
  9267. .def_md_devad = 0,
  9268. .flags = FLAGS_INIT_XGXS_FIRST,
  9269. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9270. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9271. .mdio_ctrl = 0,
  9272. .supported = (SUPPORTED_10000baseT_Full |
  9273. SUPPORTED_1000baseT_Full |
  9274. SUPPORTED_FIBRE |
  9275. SUPPORTED_Pause |
  9276. SUPPORTED_Asym_Pause),
  9277. .media_type = ETH_PHY_SFP_FIBER,
  9278. .ver_addr = 0,
  9279. .req_flow_ctrl = 0,
  9280. .req_line_speed = 0,
  9281. .speed_cap_mask = 0,
  9282. .req_duplex = 0,
  9283. .rsrv = 0,
  9284. .config_init = (config_init_t)bnx2x_8706_config_init,
  9285. .read_status = (read_status_t)bnx2x_8706_read_status,
  9286. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9287. .config_loopback = (config_loopback_t)NULL,
  9288. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9289. .hw_reset = (hw_reset_t)NULL,
  9290. .set_link_led = (set_link_led_t)NULL,
  9291. .phy_specific_func = (phy_specific_func_t)NULL
  9292. };
  9293. static struct bnx2x_phy phy_8726 = {
  9294. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9295. .addr = 0xff,
  9296. .def_md_devad = 0,
  9297. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9298. FLAGS_INIT_XGXS_FIRST),
  9299. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9300. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9301. .mdio_ctrl = 0,
  9302. .supported = (SUPPORTED_10000baseT_Full |
  9303. SUPPORTED_1000baseT_Full |
  9304. SUPPORTED_Autoneg |
  9305. SUPPORTED_FIBRE |
  9306. SUPPORTED_Pause |
  9307. SUPPORTED_Asym_Pause),
  9308. .media_type = ETH_PHY_NOT_PRESENT,
  9309. .ver_addr = 0,
  9310. .req_flow_ctrl = 0,
  9311. .req_line_speed = 0,
  9312. .speed_cap_mask = 0,
  9313. .req_duplex = 0,
  9314. .rsrv = 0,
  9315. .config_init = (config_init_t)bnx2x_8726_config_init,
  9316. .read_status = (read_status_t)bnx2x_8726_read_status,
  9317. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9318. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9319. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9320. .hw_reset = (hw_reset_t)NULL,
  9321. .set_link_led = (set_link_led_t)NULL,
  9322. .phy_specific_func = (phy_specific_func_t)NULL
  9323. };
  9324. static struct bnx2x_phy phy_8727 = {
  9325. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9326. .addr = 0xff,
  9327. .def_md_devad = 0,
  9328. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9329. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9330. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9331. .mdio_ctrl = 0,
  9332. .supported = (SUPPORTED_10000baseT_Full |
  9333. SUPPORTED_1000baseT_Full |
  9334. SUPPORTED_FIBRE |
  9335. SUPPORTED_Pause |
  9336. SUPPORTED_Asym_Pause),
  9337. .media_type = ETH_PHY_NOT_PRESENT,
  9338. .ver_addr = 0,
  9339. .req_flow_ctrl = 0,
  9340. .req_line_speed = 0,
  9341. .speed_cap_mask = 0,
  9342. .req_duplex = 0,
  9343. .rsrv = 0,
  9344. .config_init = (config_init_t)bnx2x_8727_config_init,
  9345. .read_status = (read_status_t)bnx2x_8727_read_status,
  9346. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9347. .config_loopback = (config_loopback_t)NULL,
  9348. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9349. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9350. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9351. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9352. };
  9353. static struct bnx2x_phy phy_8481 = {
  9354. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9355. .addr = 0xff,
  9356. .def_md_devad = 0,
  9357. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9358. FLAGS_REARM_LATCH_SIGNAL,
  9359. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9360. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9361. .mdio_ctrl = 0,
  9362. .supported = (SUPPORTED_10baseT_Half |
  9363. SUPPORTED_10baseT_Full |
  9364. SUPPORTED_100baseT_Half |
  9365. SUPPORTED_100baseT_Full |
  9366. SUPPORTED_1000baseT_Full |
  9367. SUPPORTED_10000baseT_Full |
  9368. SUPPORTED_TP |
  9369. SUPPORTED_Autoneg |
  9370. SUPPORTED_Pause |
  9371. SUPPORTED_Asym_Pause),
  9372. .media_type = ETH_PHY_BASE_T,
  9373. .ver_addr = 0,
  9374. .req_flow_ctrl = 0,
  9375. .req_line_speed = 0,
  9376. .speed_cap_mask = 0,
  9377. .req_duplex = 0,
  9378. .rsrv = 0,
  9379. .config_init = (config_init_t)bnx2x_8481_config_init,
  9380. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9381. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9382. .config_loopback = (config_loopback_t)NULL,
  9383. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9384. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9385. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9386. .phy_specific_func = (phy_specific_func_t)NULL
  9387. };
  9388. static struct bnx2x_phy phy_84823 = {
  9389. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9390. .addr = 0xff,
  9391. .def_md_devad = 0,
  9392. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9393. FLAGS_REARM_LATCH_SIGNAL,
  9394. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9395. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9396. .mdio_ctrl = 0,
  9397. .supported = (SUPPORTED_10baseT_Half |
  9398. SUPPORTED_10baseT_Full |
  9399. SUPPORTED_100baseT_Half |
  9400. SUPPORTED_100baseT_Full |
  9401. SUPPORTED_1000baseT_Full |
  9402. SUPPORTED_10000baseT_Full |
  9403. SUPPORTED_TP |
  9404. SUPPORTED_Autoneg |
  9405. SUPPORTED_Pause |
  9406. SUPPORTED_Asym_Pause),
  9407. .media_type = ETH_PHY_BASE_T,
  9408. .ver_addr = 0,
  9409. .req_flow_ctrl = 0,
  9410. .req_line_speed = 0,
  9411. .speed_cap_mask = 0,
  9412. .req_duplex = 0,
  9413. .rsrv = 0,
  9414. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9415. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9416. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9417. .config_loopback = (config_loopback_t)NULL,
  9418. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9419. .hw_reset = (hw_reset_t)NULL,
  9420. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9421. .phy_specific_func = (phy_specific_func_t)NULL
  9422. };
  9423. static struct bnx2x_phy phy_84833 = {
  9424. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9425. .addr = 0xff,
  9426. .def_md_devad = 0,
  9427. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9428. FLAGS_REARM_LATCH_SIGNAL,
  9429. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9430. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9431. .mdio_ctrl = 0,
  9432. .supported = (SUPPORTED_10baseT_Half |
  9433. SUPPORTED_10baseT_Full |
  9434. SUPPORTED_100baseT_Half |
  9435. SUPPORTED_100baseT_Full |
  9436. SUPPORTED_1000baseT_Full |
  9437. SUPPORTED_10000baseT_Full |
  9438. SUPPORTED_TP |
  9439. SUPPORTED_Autoneg |
  9440. SUPPORTED_Pause |
  9441. SUPPORTED_Asym_Pause),
  9442. .media_type = ETH_PHY_BASE_T,
  9443. .ver_addr = 0,
  9444. .req_flow_ctrl = 0,
  9445. .req_line_speed = 0,
  9446. .speed_cap_mask = 0,
  9447. .req_duplex = 0,
  9448. .rsrv = 0,
  9449. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9450. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9451. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9452. .config_loopback = (config_loopback_t)NULL,
  9453. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9454. .hw_reset = (hw_reset_t)NULL,
  9455. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9456. .phy_specific_func = (phy_specific_func_t)NULL
  9457. };
  9458. static struct bnx2x_phy phy_54616s = {
  9459. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616,
  9460. .addr = 0xff,
  9461. .def_md_devad = 0,
  9462. .flags = FLAGS_INIT_XGXS_FIRST,
  9463. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9464. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9465. .mdio_ctrl = 0,
  9466. .supported = (SUPPORTED_10baseT_Half |
  9467. SUPPORTED_10baseT_Full |
  9468. SUPPORTED_100baseT_Half |
  9469. SUPPORTED_100baseT_Full |
  9470. SUPPORTED_1000baseT_Full |
  9471. SUPPORTED_TP |
  9472. SUPPORTED_Autoneg |
  9473. SUPPORTED_Pause |
  9474. SUPPORTED_Asym_Pause),
  9475. .media_type = ETH_PHY_BASE_T,
  9476. .ver_addr = 0,
  9477. .req_flow_ctrl = 0,
  9478. .req_line_speed = 0,
  9479. .speed_cap_mask = 0,
  9480. /* req_duplex = */0,
  9481. /* rsrv = */0,
  9482. .config_init = (config_init_t)bnx2x_54616s_config_init,
  9483. .read_status = (read_status_t)bnx2x_54616s_read_status,
  9484. .link_reset = (link_reset_t)bnx2x_54616s_link_reset,
  9485. .config_loopback = (config_loopback_t)bnx2x_54616s_config_loopback,
  9486. .format_fw_ver = (format_fw_ver_t)NULL,
  9487. .hw_reset = (hw_reset_t)NULL,
  9488. .set_link_led = (set_link_led_t)bnx2x_54616s_set_link_led,
  9489. .phy_specific_func = (phy_specific_func_t)NULL
  9490. };
  9491. /*****************************************************************/
  9492. /* */
  9493. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9494. /* */
  9495. /*****************************************************************/
  9496. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9497. struct bnx2x_phy *phy, u8 port,
  9498. u8 phy_index)
  9499. {
  9500. /* Get the 4 lanes xgxs config rx and tx */
  9501. u32 rx = 0, tx = 0, i;
  9502. for (i = 0; i < 2; i++) {
  9503. /*
  9504. * INT_PHY and EXT_PHY1 share the same value location in the
  9505. * shmem. When num_phys is greater than 1, than this value
  9506. * applies only to EXT_PHY1
  9507. */
  9508. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9509. rx = REG_RD(bp, shmem_base +
  9510. offsetof(struct shmem_region,
  9511. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9512. tx = REG_RD(bp, shmem_base +
  9513. offsetof(struct shmem_region,
  9514. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9515. } else {
  9516. rx = REG_RD(bp, shmem_base +
  9517. offsetof(struct shmem_region,
  9518. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9519. tx = REG_RD(bp, shmem_base +
  9520. offsetof(struct shmem_region,
  9521. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9522. }
  9523. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9524. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9525. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9526. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9527. }
  9528. }
  9529. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9530. u8 phy_index, u8 port)
  9531. {
  9532. u32 ext_phy_config = 0;
  9533. switch (phy_index) {
  9534. case EXT_PHY1:
  9535. ext_phy_config = REG_RD(bp, shmem_base +
  9536. offsetof(struct shmem_region,
  9537. dev_info.port_hw_config[port].external_phy_config));
  9538. break;
  9539. case EXT_PHY2:
  9540. ext_phy_config = REG_RD(bp, shmem_base +
  9541. offsetof(struct shmem_region,
  9542. dev_info.port_hw_config[port].external_phy_config2));
  9543. break;
  9544. default:
  9545. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9546. return -EINVAL;
  9547. }
  9548. return ext_phy_config;
  9549. }
  9550. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9551. struct bnx2x_phy *phy)
  9552. {
  9553. u32 phy_addr;
  9554. u32 chip_id;
  9555. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9556. offsetof(struct shmem_region,
  9557. dev_info.port_feature_config[port].link_config)) &
  9558. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9559. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9560. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9561. if (USES_WARPCORE(bp)) {
  9562. u32 serdes_net_if;
  9563. phy_addr = REG_RD(bp,
  9564. MISC_REG_WC0_CTRL_PHY_ADDR);
  9565. *phy = phy_warpcore;
  9566. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9567. phy->flags |= FLAGS_4_PORT_MODE;
  9568. else
  9569. phy->flags &= ~FLAGS_4_PORT_MODE;
  9570. /* Check Dual mode */
  9571. serdes_net_if = (REG_RD(bp, shmem_base +
  9572. offsetof(struct shmem_region, dev_info.
  9573. port_hw_config[port].default_cfg)) &
  9574. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9575. /*
  9576. * Set the appropriate supported and flags indications per
  9577. * interface type of the chip
  9578. */
  9579. switch (serdes_net_if) {
  9580. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9581. phy->supported &= (SUPPORTED_10baseT_Half |
  9582. SUPPORTED_10baseT_Full |
  9583. SUPPORTED_100baseT_Half |
  9584. SUPPORTED_100baseT_Full |
  9585. SUPPORTED_1000baseT_Full |
  9586. SUPPORTED_FIBRE |
  9587. SUPPORTED_Autoneg |
  9588. SUPPORTED_Pause |
  9589. SUPPORTED_Asym_Pause);
  9590. phy->media_type = ETH_PHY_BASE_T;
  9591. break;
  9592. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9593. phy->media_type = ETH_PHY_XFP_FIBER;
  9594. break;
  9595. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9596. phy->supported &= (SUPPORTED_1000baseT_Full |
  9597. SUPPORTED_10000baseT_Full |
  9598. SUPPORTED_FIBRE |
  9599. SUPPORTED_Pause |
  9600. SUPPORTED_Asym_Pause);
  9601. phy->media_type = ETH_PHY_SFP_FIBER;
  9602. break;
  9603. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9604. phy->media_type = ETH_PHY_KR;
  9605. phy->supported &= (SUPPORTED_1000baseT_Full |
  9606. SUPPORTED_10000baseT_Full |
  9607. SUPPORTED_FIBRE |
  9608. SUPPORTED_Autoneg |
  9609. SUPPORTED_Pause |
  9610. SUPPORTED_Asym_Pause);
  9611. break;
  9612. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9613. phy->media_type = ETH_PHY_KR;
  9614. phy->flags |= FLAGS_WC_DUAL_MODE;
  9615. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9616. SUPPORTED_FIBRE |
  9617. SUPPORTED_Pause |
  9618. SUPPORTED_Asym_Pause);
  9619. break;
  9620. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9621. phy->media_type = ETH_PHY_KR;
  9622. phy->flags |= FLAGS_WC_DUAL_MODE;
  9623. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9624. SUPPORTED_FIBRE |
  9625. SUPPORTED_Pause |
  9626. SUPPORTED_Asym_Pause);
  9627. break;
  9628. default:
  9629. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9630. serdes_net_if);
  9631. break;
  9632. }
  9633. /*
  9634. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9635. * was not set as expected. For B0, ECO will be enabled so there
  9636. * won't be an issue there
  9637. */
  9638. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9639. phy->flags |= FLAGS_MDC_MDIO_WA;
  9640. } else {
  9641. switch (switch_cfg) {
  9642. case SWITCH_CFG_1G:
  9643. phy_addr = REG_RD(bp,
  9644. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9645. port * 0x10);
  9646. *phy = phy_serdes;
  9647. break;
  9648. case SWITCH_CFG_10G:
  9649. phy_addr = REG_RD(bp,
  9650. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9651. port * 0x18);
  9652. *phy = phy_xgxs;
  9653. break;
  9654. default:
  9655. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9656. return -EINVAL;
  9657. }
  9658. }
  9659. phy->addr = (u8)phy_addr;
  9660. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9661. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9662. port);
  9663. if (CHIP_IS_E2(bp))
  9664. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9665. else
  9666. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9667. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9668. port, phy->addr, phy->mdio_ctrl);
  9669. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9670. return 0;
  9671. }
  9672. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9673. u8 phy_index,
  9674. u32 shmem_base,
  9675. u32 shmem2_base,
  9676. u8 port,
  9677. struct bnx2x_phy *phy)
  9678. {
  9679. u32 ext_phy_config, phy_type, config2;
  9680. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9681. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9682. phy_index, port);
  9683. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9684. /* Select the phy type */
  9685. switch (phy_type) {
  9686. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9687. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9688. *phy = phy_8073;
  9689. break;
  9690. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9691. *phy = phy_8705;
  9692. break;
  9693. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9694. *phy = phy_8706;
  9695. break;
  9696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9697. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9698. *phy = phy_8726;
  9699. break;
  9700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9701. /* BCM8727_NOC => BCM8727 no over current */
  9702. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9703. *phy = phy_8727;
  9704. phy->flags |= FLAGS_NOC;
  9705. break;
  9706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9707. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9708. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9709. *phy = phy_8727;
  9710. break;
  9711. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9712. *phy = phy_8481;
  9713. break;
  9714. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9715. *phy = phy_84823;
  9716. break;
  9717. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9718. *phy = phy_84833;
  9719. break;
  9720. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  9721. *phy = phy_54616s;
  9722. break;
  9723. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9724. *phy = phy_7101;
  9725. break;
  9726. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9727. *phy = phy_null;
  9728. return -EINVAL;
  9729. default:
  9730. *phy = phy_null;
  9731. return 0;
  9732. }
  9733. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9734. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9735. /*
  9736. * The shmem address of the phy version is located on different
  9737. * structures. In case this structure is too old, do not set
  9738. * the address
  9739. */
  9740. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9741. dev_info.shared_hw_config.config2));
  9742. if (phy_index == EXT_PHY1) {
  9743. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9744. port_mb[port].ext_phy_fw_version);
  9745. /* Check specific mdc mdio settings */
  9746. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9747. mdc_mdio_access = config2 &
  9748. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9749. } else {
  9750. u32 size = REG_RD(bp, shmem2_base);
  9751. if (size >
  9752. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9753. phy->ver_addr = shmem2_base +
  9754. offsetof(struct shmem2_region,
  9755. ext_phy_fw_version2[port]);
  9756. }
  9757. /* Check specific mdc mdio settings */
  9758. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  9759. mdc_mdio_access = (config2 &
  9760. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  9761. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  9762. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  9763. }
  9764. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  9765. /*
  9766. * In case mdc/mdio_access of the external phy is different than the
  9767. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  9768. * to prevent one port interfere with another port's CL45 operations.
  9769. */
  9770. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  9771. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  9772. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  9773. phy_type, port, phy_index);
  9774. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  9775. phy->addr, phy->mdio_ctrl);
  9776. return 0;
  9777. }
  9778. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  9779. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  9780. {
  9781. int status = 0;
  9782. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  9783. if (phy_index == INT_PHY)
  9784. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  9785. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  9786. port, phy);
  9787. return status;
  9788. }
  9789. static void bnx2x_phy_def_cfg(struct link_params *params,
  9790. struct bnx2x_phy *phy,
  9791. u8 phy_index)
  9792. {
  9793. struct bnx2x *bp = params->bp;
  9794. u32 link_config;
  9795. /* Populate the default phy configuration for MF mode */
  9796. if (phy_index == EXT_PHY2) {
  9797. link_config = REG_RD(bp, params->shmem_base +
  9798. offsetof(struct shmem_region, dev_info.
  9799. port_feature_config[params->port].link_config2));
  9800. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  9801. offsetof(struct shmem_region,
  9802. dev_info.
  9803. port_hw_config[params->port].speed_capability_mask2));
  9804. } else {
  9805. link_config = REG_RD(bp, params->shmem_base +
  9806. offsetof(struct shmem_region, dev_info.
  9807. port_feature_config[params->port].link_config));
  9808. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  9809. offsetof(struct shmem_region,
  9810. dev_info.
  9811. port_hw_config[params->port].speed_capability_mask));
  9812. }
  9813. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  9814. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  9815. phy->req_duplex = DUPLEX_FULL;
  9816. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  9817. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  9818. phy->req_duplex = DUPLEX_HALF;
  9819. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  9820. phy->req_line_speed = SPEED_10;
  9821. break;
  9822. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  9823. phy->req_duplex = DUPLEX_HALF;
  9824. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  9825. phy->req_line_speed = SPEED_100;
  9826. break;
  9827. case PORT_FEATURE_LINK_SPEED_1G:
  9828. phy->req_line_speed = SPEED_1000;
  9829. break;
  9830. case PORT_FEATURE_LINK_SPEED_2_5G:
  9831. phy->req_line_speed = SPEED_2500;
  9832. break;
  9833. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  9834. phy->req_line_speed = SPEED_10000;
  9835. break;
  9836. default:
  9837. phy->req_line_speed = SPEED_AUTO_NEG;
  9838. break;
  9839. }
  9840. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  9841. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  9842. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  9843. break;
  9844. case PORT_FEATURE_FLOW_CONTROL_TX:
  9845. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  9846. break;
  9847. case PORT_FEATURE_FLOW_CONTROL_RX:
  9848. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  9849. break;
  9850. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  9851. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  9852. break;
  9853. default:
  9854. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9855. break;
  9856. }
  9857. }
  9858. u32 bnx2x_phy_selection(struct link_params *params)
  9859. {
  9860. u32 phy_config_swapped, prio_cfg;
  9861. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  9862. phy_config_swapped = params->multi_phy_config &
  9863. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  9864. prio_cfg = params->multi_phy_config &
  9865. PORT_HW_CFG_PHY_SELECTION_MASK;
  9866. if (phy_config_swapped) {
  9867. switch (prio_cfg) {
  9868. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  9869. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  9870. break;
  9871. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  9872. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  9873. break;
  9874. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  9875. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  9876. break;
  9877. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  9878. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  9879. break;
  9880. }
  9881. } else
  9882. return_cfg = prio_cfg;
  9883. return return_cfg;
  9884. }
  9885. int bnx2x_phy_probe(struct link_params *params)
  9886. {
  9887. u8 phy_index, actual_phy_idx, link_cfg_idx;
  9888. u32 phy_config_swapped, sync_offset, media_types;
  9889. struct bnx2x *bp = params->bp;
  9890. struct bnx2x_phy *phy;
  9891. params->num_phys = 0;
  9892. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  9893. phy_config_swapped = params->multi_phy_config &
  9894. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  9895. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  9896. phy_index++) {
  9897. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  9898. actual_phy_idx = phy_index;
  9899. if (phy_config_swapped) {
  9900. if (phy_index == EXT_PHY1)
  9901. actual_phy_idx = EXT_PHY2;
  9902. else if (phy_index == EXT_PHY2)
  9903. actual_phy_idx = EXT_PHY1;
  9904. }
  9905. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  9906. " actual_phy_idx %x\n", phy_config_swapped,
  9907. phy_index, actual_phy_idx);
  9908. phy = &params->phy[actual_phy_idx];
  9909. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  9910. params->shmem2_base, params->port,
  9911. phy) != 0) {
  9912. params->num_phys = 0;
  9913. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  9914. phy_index);
  9915. for (phy_index = INT_PHY;
  9916. phy_index < MAX_PHYS;
  9917. phy_index++)
  9918. *phy = phy_null;
  9919. return -EINVAL;
  9920. }
  9921. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  9922. break;
  9923. sync_offset = params->shmem_base +
  9924. offsetof(struct shmem_region,
  9925. dev_info.port_hw_config[params->port].media_type);
  9926. media_types = REG_RD(bp, sync_offset);
  9927. /*
  9928. * Update media type for non-PMF sync only for the first time
  9929. * In case the media type changes afterwards, it will be updated
  9930. * using the update_status function
  9931. */
  9932. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  9933. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  9934. actual_phy_idx))) == 0) {
  9935. media_types |= ((phy->media_type &
  9936. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  9937. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  9938. actual_phy_idx));
  9939. }
  9940. REG_WR(bp, sync_offset, media_types);
  9941. bnx2x_phy_def_cfg(params, phy, phy_index);
  9942. params->num_phys++;
  9943. }
  9944. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  9945. return 0;
  9946. }
  9947. void bnx2x_init_bmac_loopback(struct link_params *params,
  9948. struct link_vars *vars)
  9949. {
  9950. struct bnx2x *bp = params->bp;
  9951. vars->link_up = 1;
  9952. vars->line_speed = SPEED_10000;
  9953. vars->duplex = DUPLEX_FULL;
  9954. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9955. vars->mac_type = MAC_TYPE_BMAC;
  9956. vars->phy_flags = PHY_XGXS_FLAG;
  9957. bnx2x_xgxs_deassert(params);
  9958. /* set bmac loopback */
  9959. bnx2x_bmac_enable(params, vars, 1);
  9960. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  9961. }
  9962. void bnx2x_init_emac_loopback(struct link_params *params,
  9963. struct link_vars *vars)
  9964. {
  9965. struct bnx2x *bp = params->bp;
  9966. vars->link_up = 1;
  9967. vars->line_speed = SPEED_1000;
  9968. vars->duplex = DUPLEX_FULL;
  9969. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9970. vars->mac_type = MAC_TYPE_EMAC;
  9971. vars->phy_flags = PHY_XGXS_FLAG;
  9972. bnx2x_xgxs_deassert(params);
  9973. /* set bmac loopback */
  9974. bnx2x_emac_enable(params, vars, 1);
  9975. bnx2x_emac_program(params, vars);
  9976. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  9977. }
  9978. void bnx2x_init_xmac_loopback(struct link_params *params,
  9979. struct link_vars *vars)
  9980. {
  9981. struct bnx2x *bp = params->bp;
  9982. vars->link_up = 1;
  9983. if (!params->req_line_speed[0])
  9984. vars->line_speed = SPEED_10000;
  9985. else
  9986. vars->line_speed = params->req_line_speed[0];
  9987. vars->duplex = DUPLEX_FULL;
  9988. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  9989. vars->mac_type = MAC_TYPE_XMAC;
  9990. vars->phy_flags = PHY_XGXS_FLAG;
  9991. /*
  9992. * Set WC to loopback mode since link is required to provide clock
  9993. * to the XMAC in 20G mode
  9994. */
  9995. if (vars->line_speed == SPEED_20000) {
  9996. bnx2x_set_aer_mmd(params, &params->phy[0]);
  9997. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  9998. params->phy[INT_PHY].config_loopback(
  9999. &params->phy[INT_PHY],
  10000. params);
  10001. }
  10002. bnx2x_xmac_enable(params, vars, 1);
  10003. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10004. }
  10005. void bnx2x_init_umac_loopback(struct link_params *params,
  10006. struct link_vars *vars)
  10007. {
  10008. struct bnx2x *bp = params->bp;
  10009. vars->link_up = 1;
  10010. vars->line_speed = SPEED_1000;
  10011. vars->duplex = DUPLEX_FULL;
  10012. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10013. vars->mac_type = MAC_TYPE_UMAC;
  10014. vars->phy_flags = PHY_XGXS_FLAG;
  10015. bnx2x_umac_enable(params, vars, 1);
  10016. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10017. }
  10018. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10019. struct link_vars *vars)
  10020. {
  10021. struct bnx2x *bp = params->bp;
  10022. vars->link_up = 1;
  10023. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10024. vars->duplex = DUPLEX_FULL;
  10025. if (params->req_line_speed[0] == SPEED_1000)
  10026. vars->line_speed = SPEED_1000;
  10027. else
  10028. vars->line_speed = SPEED_10000;
  10029. if (!USES_WARPCORE(bp))
  10030. bnx2x_xgxs_deassert(params);
  10031. bnx2x_link_initialize(params, vars);
  10032. if (params->req_line_speed[0] == SPEED_1000) {
  10033. if (USES_WARPCORE(bp))
  10034. bnx2x_umac_enable(params, vars, 0);
  10035. else {
  10036. bnx2x_emac_program(params, vars);
  10037. bnx2x_emac_enable(params, vars, 0);
  10038. }
  10039. } else {
  10040. if (USES_WARPCORE(bp))
  10041. bnx2x_xmac_enable(params, vars, 0);
  10042. else
  10043. bnx2x_bmac_enable(params, vars, 0);
  10044. }
  10045. if (params->loopback_mode == LOOPBACK_XGXS) {
  10046. /* set 10G XGXS loopback */
  10047. params->phy[INT_PHY].config_loopback(
  10048. &params->phy[INT_PHY],
  10049. params);
  10050. } else {
  10051. /* set external phy loopback */
  10052. u8 phy_index;
  10053. for (phy_index = EXT_PHY1;
  10054. phy_index < params->num_phys; phy_index++) {
  10055. if (params->phy[phy_index].config_loopback)
  10056. params->phy[phy_index].config_loopback(
  10057. &params->phy[phy_index],
  10058. params);
  10059. }
  10060. }
  10061. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10062. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10063. }
  10064. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10065. {
  10066. struct bnx2x *bp = params->bp;
  10067. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10068. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10069. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10070. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10071. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10072. vars->link_status = 0;
  10073. vars->phy_link_up = 0;
  10074. vars->link_up = 0;
  10075. vars->line_speed = 0;
  10076. vars->duplex = DUPLEX_FULL;
  10077. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10078. vars->mac_type = MAC_TYPE_NONE;
  10079. vars->phy_flags = 0;
  10080. /* disable attentions */
  10081. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10082. (NIG_MASK_XGXS0_LINK_STATUS |
  10083. NIG_MASK_XGXS0_LINK10G |
  10084. NIG_MASK_SERDES0_LINK_STATUS |
  10085. NIG_MASK_MI_INT));
  10086. bnx2x_emac_init(params, vars);
  10087. if (params->num_phys == 0) {
  10088. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10089. return -EINVAL;
  10090. }
  10091. set_phy_vars(params, vars);
  10092. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10093. switch (params->loopback_mode) {
  10094. case LOOPBACK_BMAC:
  10095. bnx2x_init_bmac_loopback(params, vars);
  10096. break;
  10097. case LOOPBACK_EMAC:
  10098. bnx2x_init_emac_loopback(params, vars);
  10099. break;
  10100. case LOOPBACK_XMAC:
  10101. bnx2x_init_xmac_loopback(params, vars);
  10102. break;
  10103. case LOOPBACK_UMAC:
  10104. bnx2x_init_umac_loopback(params, vars);
  10105. break;
  10106. case LOOPBACK_XGXS:
  10107. case LOOPBACK_EXT_PHY:
  10108. bnx2x_init_xgxs_loopback(params, vars);
  10109. break;
  10110. default:
  10111. if (!CHIP_IS_E3(bp)) {
  10112. if (params->switch_cfg == SWITCH_CFG_10G)
  10113. bnx2x_xgxs_deassert(params);
  10114. else
  10115. bnx2x_serdes_deassert(bp, params->port);
  10116. }
  10117. bnx2x_link_initialize(params, vars);
  10118. msleep(30);
  10119. bnx2x_link_int_enable(params);
  10120. break;
  10121. }
  10122. return 0;
  10123. }
  10124. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10125. u8 reset_ext_phy)
  10126. {
  10127. struct bnx2x *bp = params->bp;
  10128. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10129. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10130. /* disable attentions */
  10131. vars->link_status = 0;
  10132. bnx2x_update_mng(params, vars->link_status);
  10133. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10134. (NIG_MASK_XGXS0_LINK_STATUS |
  10135. NIG_MASK_XGXS0_LINK10G |
  10136. NIG_MASK_SERDES0_LINK_STATUS |
  10137. NIG_MASK_MI_INT));
  10138. /* activate nig drain */
  10139. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10140. /* disable nig egress interface */
  10141. if (!CHIP_IS_E3(bp)) {
  10142. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10143. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10144. }
  10145. /* Stop BigMac rx */
  10146. if (!CHIP_IS_E3(bp))
  10147. bnx2x_bmac_rx_disable(bp, port);
  10148. else
  10149. bnx2x_xmac_disable(params);
  10150. /* disable emac */
  10151. if (!CHIP_IS_E3(bp))
  10152. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10153. msleep(10);
  10154. /* The PHY reset is controlled by GPIO 1
  10155. * Hold it as vars low
  10156. */
  10157. /* clear link led */
  10158. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10159. if (reset_ext_phy) {
  10160. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10161. phy_index++) {
  10162. if (params->phy[phy_index].link_reset)
  10163. params->phy[phy_index].link_reset(
  10164. &params->phy[phy_index],
  10165. params);
  10166. if (params->phy[phy_index].flags &
  10167. FLAGS_REARM_LATCH_SIGNAL)
  10168. clear_latch_ind = 1;
  10169. }
  10170. }
  10171. if (clear_latch_ind) {
  10172. /* Clear latching indication */
  10173. bnx2x_rearm_latch_signal(bp, port, 0);
  10174. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10175. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10176. }
  10177. if (params->phy[INT_PHY].link_reset)
  10178. params->phy[INT_PHY].link_reset(
  10179. &params->phy[INT_PHY], params);
  10180. /* reset BigMac */
  10181. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10182. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10183. /* disable nig ingress interface */
  10184. if (!CHIP_IS_E3(bp)) {
  10185. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10186. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10187. }
  10188. vars->link_up = 0;
  10189. vars->phy_flags = 0;
  10190. return 0;
  10191. }
  10192. /****************************************************************************/
  10193. /* Common function */
  10194. /****************************************************************************/
  10195. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10196. u32 shmem_base_path[],
  10197. u32 shmem2_base_path[], u8 phy_index,
  10198. u32 chip_id)
  10199. {
  10200. struct bnx2x_phy phy[PORT_MAX];
  10201. struct bnx2x_phy *phy_blk[PORT_MAX];
  10202. u16 val;
  10203. s8 port = 0;
  10204. s8 port_of_path = 0;
  10205. u32 swap_val, swap_override;
  10206. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10207. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10208. port ^= (swap_val && swap_override);
  10209. bnx2x_ext_phy_hw_reset(bp, port);
  10210. /* PART1 - Reset both phys */
  10211. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10212. u32 shmem_base, shmem2_base;
  10213. /* In E2, same phy is using for port0 of the two paths */
  10214. if (CHIP_IS_E1x(bp)) {
  10215. shmem_base = shmem_base_path[0];
  10216. shmem2_base = shmem2_base_path[0];
  10217. port_of_path = port;
  10218. } else {
  10219. shmem_base = shmem_base_path[port];
  10220. shmem2_base = shmem2_base_path[port];
  10221. port_of_path = 0;
  10222. }
  10223. /* Extract the ext phy address for the port */
  10224. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10225. port_of_path, &phy[port]) !=
  10226. 0) {
  10227. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10228. return -EINVAL;
  10229. }
  10230. /* disable attentions */
  10231. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10232. port_of_path*4,
  10233. (NIG_MASK_XGXS0_LINK_STATUS |
  10234. NIG_MASK_XGXS0_LINK10G |
  10235. NIG_MASK_SERDES0_LINK_STATUS |
  10236. NIG_MASK_MI_INT));
  10237. /* Need to take the phy out of low power mode in order
  10238. to write to access its registers */
  10239. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10240. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10241. port);
  10242. /* Reset the phy */
  10243. bnx2x_cl45_write(bp, &phy[port],
  10244. MDIO_PMA_DEVAD,
  10245. MDIO_PMA_REG_CTRL,
  10246. 1<<15);
  10247. }
  10248. /* Add delay of 150ms after reset */
  10249. msleep(150);
  10250. if (phy[PORT_0].addr & 0x1) {
  10251. phy_blk[PORT_0] = &(phy[PORT_1]);
  10252. phy_blk[PORT_1] = &(phy[PORT_0]);
  10253. } else {
  10254. phy_blk[PORT_0] = &(phy[PORT_0]);
  10255. phy_blk[PORT_1] = &(phy[PORT_1]);
  10256. }
  10257. /* PART2 - Download firmware to both phys */
  10258. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10259. if (CHIP_IS_E1x(bp))
  10260. port_of_path = port;
  10261. else
  10262. port_of_path = 0;
  10263. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10264. phy_blk[port]->addr);
  10265. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10266. port_of_path))
  10267. return -EINVAL;
  10268. /* Only set bit 10 = 1 (Tx power down) */
  10269. bnx2x_cl45_read(bp, phy_blk[port],
  10270. MDIO_PMA_DEVAD,
  10271. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10272. /* Phase1 of TX_POWER_DOWN reset */
  10273. bnx2x_cl45_write(bp, phy_blk[port],
  10274. MDIO_PMA_DEVAD,
  10275. MDIO_PMA_REG_TX_POWER_DOWN,
  10276. (val | 1<<10));
  10277. }
  10278. /*
  10279. * Toggle Transmitter: Power down and then up with 600ms delay
  10280. * between
  10281. */
  10282. msleep(600);
  10283. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10284. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10285. /* Phase2 of POWER_DOWN_RESET */
  10286. /* Release bit 10 (Release Tx power down) */
  10287. bnx2x_cl45_read(bp, phy_blk[port],
  10288. MDIO_PMA_DEVAD,
  10289. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10290. bnx2x_cl45_write(bp, phy_blk[port],
  10291. MDIO_PMA_DEVAD,
  10292. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10293. msleep(15);
  10294. /* Read modify write the SPI-ROM version select register */
  10295. bnx2x_cl45_read(bp, phy_blk[port],
  10296. MDIO_PMA_DEVAD,
  10297. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10298. bnx2x_cl45_write(bp, phy_blk[port],
  10299. MDIO_PMA_DEVAD,
  10300. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10301. /* set GPIO2 back to LOW */
  10302. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10303. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10304. }
  10305. return 0;
  10306. }
  10307. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10308. u32 shmem_base_path[],
  10309. u32 shmem2_base_path[], u8 phy_index,
  10310. u32 chip_id)
  10311. {
  10312. u32 val;
  10313. s8 port;
  10314. struct bnx2x_phy phy;
  10315. /* Use port1 because of the static port-swap */
  10316. /* Enable the module detection interrupt */
  10317. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10318. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10319. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10320. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10321. bnx2x_ext_phy_hw_reset(bp, 0);
  10322. msleep(5);
  10323. for (port = 0; port < PORT_MAX; port++) {
  10324. u32 shmem_base, shmem2_base;
  10325. /* In E2, same phy is using for port0 of the two paths */
  10326. if (CHIP_IS_E1x(bp)) {
  10327. shmem_base = shmem_base_path[0];
  10328. shmem2_base = shmem2_base_path[0];
  10329. } else {
  10330. shmem_base = shmem_base_path[port];
  10331. shmem2_base = shmem2_base_path[port];
  10332. }
  10333. /* Extract the ext phy address for the port */
  10334. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10335. port, &phy) !=
  10336. 0) {
  10337. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10338. return -EINVAL;
  10339. }
  10340. /* Reset phy*/
  10341. bnx2x_cl45_write(bp, &phy,
  10342. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10343. /* Set fault module detected LED on */
  10344. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10345. MISC_REGISTERS_GPIO_HIGH,
  10346. port);
  10347. }
  10348. return 0;
  10349. }
  10350. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10351. u8 *io_gpio, u8 *io_port)
  10352. {
  10353. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10354. offsetof(struct shmem_region,
  10355. dev_info.port_hw_config[PORT_0].default_cfg));
  10356. switch (phy_gpio_reset) {
  10357. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10358. *io_gpio = 0;
  10359. *io_port = 0;
  10360. break;
  10361. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10362. *io_gpio = 1;
  10363. *io_port = 0;
  10364. break;
  10365. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10366. *io_gpio = 2;
  10367. *io_port = 0;
  10368. break;
  10369. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10370. *io_gpio = 3;
  10371. *io_port = 0;
  10372. break;
  10373. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10374. *io_gpio = 0;
  10375. *io_port = 1;
  10376. break;
  10377. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10378. *io_gpio = 1;
  10379. *io_port = 1;
  10380. break;
  10381. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10382. *io_gpio = 2;
  10383. *io_port = 1;
  10384. break;
  10385. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10386. *io_gpio = 3;
  10387. *io_port = 1;
  10388. break;
  10389. default:
  10390. /* Don't override the io_gpio and io_port */
  10391. break;
  10392. }
  10393. }
  10394. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10395. u32 shmem_base_path[],
  10396. u32 shmem2_base_path[], u8 phy_index,
  10397. u32 chip_id)
  10398. {
  10399. s8 port, reset_gpio;
  10400. u32 swap_val, swap_override;
  10401. struct bnx2x_phy phy[PORT_MAX];
  10402. struct bnx2x_phy *phy_blk[PORT_MAX];
  10403. s8 port_of_path;
  10404. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10405. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10406. reset_gpio = MISC_REGISTERS_GPIO_1;
  10407. port = 1;
  10408. /*
  10409. * Retrieve the reset gpio/port which control the reset.
  10410. * Default is GPIO1, PORT1
  10411. */
  10412. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10413. (u8 *)&reset_gpio, (u8 *)&port);
  10414. /* Calculate the port based on port swap */
  10415. port ^= (swap_val && swap_override);
  10416. /* Initiate PHY reset*/
  10417. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10418. port);
  10419. msleep(1);
  10420. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10421. port);
  10422. msleep(5);
  10423. /* PART1 - Reset both phys */
  10424. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10425. u32 shmem_base, shmem2_base;
  10426. /* In E2, same phy is using for port0 of the two paths */
  10427. if (CHIP_IS_E1x(bp)) {
  10428. shmem_base = shmem_base_path[0];
  10429. shmem2_base = shmem2_base_path[0];
  10430. port_of_path = port;
  10431. } else {
  10432. shmem_base = shmem_base_path[port];
  10433. shmem2_base = shmem2_base_path[port];
  10434. port_of_path = 0;
  10435. }
  10436. /* Extract the ext phy address for the port */
  10437. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10438. port_of_path, &phy[port]) !=
  10439. 0) {
  10440. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10441. return -EINVAL;
  10442. }
  10443. /* disable attentions */
  10444. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10445. port_of_path*4,
  10446. (NIG_MASK_XGXS0_LINK_STATUS |
  10447. NIG_MASK_XGXS0_LINK10G |
  10448. NIG_MASK_SERDES0_LINK_STATUS |
  10449. NIG_MASK_MI_INT));
  10450. /* Reset the phy */
  10451. bnx2x_cl45_write(bp, &phy[port],
  10452. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10453. }
  10454. /* Add delay of 150ms after reset */
  10455. msleep(150);
  10456. if (phy[PORT_0].addr & 0x1) {
  10457. phy_blk[PORT_0] = &(phy[PORT_1]);
  10458. phy_blk[PORT_1] = &(phy[PORT_0]);
  10459. } else {
  10460. phy_blk[PORT_0] = &(phy[PORT_0]);
  10461. phy_blk[PORT_1] = &(phy[PORT_1]);
  10462. }
  10463. /* PART2 - Download firmware to both phys */
  10464. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10465. if (CHIP_IS_E1x(bp))
  10466. port_of_path = port;
  10467. else
  10468. port_of_path = 0;
  10469. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10470. phy_blk[port]->addr);
  10471. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10472. port_of_path))
  10473. return -EINVAL;
  10474. }
  10475. return 0;
  10476. }
  10477. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10478. u32 shmem2_base_path[], u8 phy_index,
  10479. u32 ext_phy_type, u32 chip_id)
  10480. {
  10481. int rc = 0;
  10482. switch (ext_phy_type) {
  10483. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10484. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10485. shmem2_base_path,
  10486. phy_index, chip_id);
  10487. break;
  10488. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10489. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10490. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10491. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10492. shmem2_base_path,
  10493. phy_index, chip_id);
  10494. break;
  10495. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10496. /*
  10497. * GPIO1 affects both ports, so there's need to pull
  10498. * it for single port alone
  10499. */
  10500. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10501. shmem2_base_path,
  10502. phy_index, chip_id);
  10503. break;
  10504. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10505. /*
  10506. * GPIO3's are linked, and so both need to be toggled
  10507. * to obtain required 2us pulse.
  10508. */
  10509. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10510. break;
  10511. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10512. rc = -EINVAL;
  10513. break;
  10514. default:
  10515. DP(NETIF_MSG_LINK,
  10516. "ext_phy 0x%x common init not required\n",
  10517. ext_phy_type);
  10518. break;
  10519. }
  10520. if (rc != 0)
  10521. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10522. " Port %d\n",
  10523. 0);
  10524. return rc;
  10525. }
  10526. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10527. u32 shmem2_base_path[], u32 chip_id)
  10528. {
  10529. int rc = 0;
  10530. u32 phy_ver, val;
  10531. u8 phy_index = 0;
  10532. u32 ext_phy_type, ext_phy_config;
  10533. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10534. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10535. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10536. if (CHIP_IS_E3(bp)) {
  10537. /* Enable EPIO */
  10538. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10539. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10540. }
  10541. /* Check if common init was already done */
  10542. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10543. offsetof(struct shmem_region,
  10544. port_mb[PORT_0].ext_phy_fw_version));
  10545. if (phy_ver) {
  10546. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10547. phy_ver);
  10548. return 0;
  10549. }
  10550. /* Read the ext_phy_type for arbitrary port(0) */
  10551. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10552. phy_index++) {
  10553. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10554. shmem_base_path[0],
  10555. phy_index, 0);
  10556. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10557. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10558. shmem2_base_path,
  10559. phy_index, ext_phy_type,
  10560. chip_id);
  10561. }
  10562. return rc;
  10563. }
  10564. static void bnx2x_check_over_curr(struct link_params *params,
  10565. struct link_vars *vars)
  10566. {
  10567. struct bnx2x *bp = params->bp;
  10568. u32 cfg_pin;
  10569. u8 port = params->port;
  10570. u32 pin_val;
  10571. cfg_pin = (REG_RD(bp, params->shmem_base +
  10572. offsetof(struct shmem_region,
  10573. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10574. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10575. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10576. /* Ignore check if no external input PIN available */
  10577. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10578. return;
  10579. if (!pin_val) {
  10580. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10581. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10582. " been detected and the power to "
  10583. "that SFP+ module has been removed"
  10584. " to prevent failure of the card."
  10585. " Please remove the SFP+ module and"
  10586. " restart the system to clear this"
  10587. " error.\n",
  10588. params->port);
  10589. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10590. }
  10591. } else
  10592. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10593. }
  10594. static void bnx2x_analyze_link_error(struct link_params *params,
  10595. struct link_vars *vars, u32 lss_status)
  10596. {
  10597. struct bnx2x *bp = params->bp;
  10598. /* Compare new value with previous value */
  10599. u8 led_mode;
  10600. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10601. /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
  10602. vars->link_up,
  10603. half_open_conn, lss_status);*/
  10604. if ((lss_status ^ half_open_conn) == 0)
  10605. return;
  10606. /* If values differ */
  10607. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10608. half_open_conn, lss_status);
  10609. /*
  10610. * a. Update shmem->link_status accordingly
  10611. * b. Update link_vars->link_up
  10612. */
  10613. if (lss_status) {
  10614. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10615. vars->link_up = 0;
  10616. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10617. /*
  10618. * Set LED mode to off since the PHY doesn't know about these
  10619. * errors
  10620. */
  10621. led_mode = LED_MODE_OFF;
  10622. } else {
  10623. vars->link_status |= LINK_STATUS_LINK_UP;
  10624. vars->link_up = 1;
  10625. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10626. led_mode = LED_MODE_OPER;
  10627. }
  10628. /* Update the LED according to the link state */
  10629. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10630. /* Update link status in the shared memory */
  10631. bnx2x_update_mng(params, vars->link_status);
  10632. /* C. Trigger General Attention */
  10633. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10634. bnx2x_notify_link_changed(bp);
  10635. }
  10636. static void bnx2x_check_half_open_conn(struct link_params *params,
  10637. struct link_vars *vars)
  10638. {
  10639. struct bnx2x *bp = params->bp;
  10640. u32 lss_status = 0;
  10641. u32 mac_base;
  10642. /* In case link status is physically up @ 10G do */
  10643. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10644. return;
  10645. if (!CHIP_IS_E3(bp) &&
  10646. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10647. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
  10648. /* Check E1X / E2 BMAC */
  10649. u32 lss_status_reg;
  10650. u32 wb_data[2];
  10651. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10652. NIG_REG_INGRESS_BMAC0_MEM;
  10653. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10654. if (CHIP_IS_E2(bp))
  10655. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10656. else
  10657. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10658. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10659. lss_status = (wb_data[0] > 0);
  10660. bnx2x_analyze_link_error(params, vars, lss_status);
  10661. }
  10662. }
  10663. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10664. {
  10665. struct bnx2x *bp = params->bp;
  10666. if (!params) {
  10667. DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
  10668. return;
  10669. }
  10670. /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
  10671. RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
  10672. REG_RD(bp, MISC_REG_RESET_REG_2)); */
  10673. bnx2x_check_half_open_conn(params, vars);
  10674. if (CHIP_IS_E3(bp))
  10675. bnx2x_check_over_curr(params, vars);
  10676. }
  10677. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10678. {
  10679. u8 phy_index;
  10680. struct bnx2x_phy phy;
  10681. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10682. phy_index++) {
  10683. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10684. 0, &phy) != 0) {
  10685. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10686. return 0;
  10687. }
  10688. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10689. return 1;
  10690. }
  10691. return 0;
  10692. }
  10693. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10694. u32 shmem_base,
  10695. u32 shmem2_base,
  10696. u8 port)
  10697. {
  10698. u8 phy_index, fan_failure_det_req = 0;
  10699. struct bnx2x_phy phy;
  10700. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10701. phy_index++) {
  10702. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10703. port, &phy)
  10704. != 0) {
  10705. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10706. return 0;
  10707. }
  10708. fan_failure_det_req |= (phy.flags &
  10709. FLAGS_FAN_FAILURE_DET_REQ);
  10710. }
  10711. return fan_failure_det_req;
  10712. }
  10713. void bnx2x_hw_reset_phy(struct link_params *params)
  10714. {
  10715. u8 phy_index;
  10716. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10717. phy_index++) {
  10718. if (params->phy[phy_index].hw_reset) {
  10719. params->phy[phy_index].hw_reset(
  10720. &params->phy[phy_index],
  10721. params);
  10722. params->phy[phy_index] = phy_null;
  10723. }
  10724. }
  10725. }
  10726. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  10727. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  10728. u8 port)
  10729. {
  10730. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  10731. u32 val;
  10732. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  10733. if (CHIP_IS_E3(bp)) {
  10734. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  10735. shmem_base,
  10736. port,
  10737. &gpio_num,
  10738. &gpio_port) != 0)
  10739. return;
  10740. } else {
  10741. struct bnx2x_phy phy;
  10742. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10743. phy_index++) {
  10744. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  10745. shmem2_base, port, &phy)
  10746. != 0) {
  10747. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10748. return;
  10749. }
  10750. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  10751. gpio_num = MISC_REGISTERS_GPIO_3;
  10752. gpio_port = port;
  10753. break;
  10754. }
  10755. }
  10756. }
  10757. if (gpio_num == 0xff)
  10758. return;
  10759. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  10760. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  10761. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10762. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10763. gpio_port ^= (swap_val && swap_override);
  10764. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  10765. (gpio_num + (gpio_port << 2));
  10766. sync_offset = shmem_base +
  10767. offsetof(struct shmem_region,
  10768. dev_info.port_hw_config[port].aeu_int_mask);
  10769. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  10770. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  10771. gpio_num, gpio_port, vars->aeu_int_mask);
  10772. if (port == 0)
  10773. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  10774. else
  10775. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  10776. /* Open appropriate AEU for interrupts */
  10777. aeu_mask = REG_RD(bp, offset);
  10778. aeu_mask |= vars->aeu_int_mask;
  10779. REG_WR(bp, offset, aeu_mask);
  10780. /* Enable the GPIO to trigger interrupt */
  10781. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10782. val |= 1 << (gpio_num + (gpio_port << 2));
  10783. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10784. }