bnx2x_link.c 361 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB thresholds for E2*/
  145. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  146. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  147. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  148. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  149. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  150. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  151. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  152. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  153. /* BRB thresholds for E3A0 */
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  155. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  156. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  157. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  158. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  159. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  160. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  161. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  162. /* BRB thresholds for E3B0 2 port mode*/
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  164. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  169. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  171. /* only for E3B0*/
  172. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  173. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  174. /* Lossy +Lossless GUARANTIED == GUART */
  175. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  176. /* Lossless +Lossless*/
  177. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  178. /* Lossy +Lossy*/
  179. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  180. /* Lossy +Lossless*/
  181. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  182. /* Lossless +Lossless*/
  183. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  184. /* Lossy +Lossy*/
  185. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  186. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  187. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  188. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  189. /* BRB thresholds for E3B0 4 port mode */
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  191. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  192. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  193. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  195. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  196. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  197. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  198. /* only for E3B0*/
  199. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  200. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  201. #define PFC_E3B0_4P_LB_GUART 120
  202. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  203. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  204. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  205. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  206. #define DCBX_INVALID_COS (0xFF)
  207. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  208. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  209. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  210. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  211. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  212. #define MAX_PACKET_SIZE (9700)
  213. #define WC_UC_TIMEOUT 100
  214. #define MAX_KR_LINK_RETRY 4
  215. /**********************************************************/
  216. /* INTERFACE */
  217. /**********************************************************/
  218. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  219. bnx2x_cl45_write(_bp, _phy, \
  220. (_phy)->def_md_devad, \
  221. (_bank + (_addr & 0xf)), \
  222. _val)
  223. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  224. bnx2x_cl45_read(_bp, _phy, \
  225. (_phy)->def_md_devad, \
  226. (_bank + (_addr & 0xf)), \
  227. _val)
  228. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  229. {
  230. u32 val = REG_RD(bp, reg);
  231. val |= bits;
  232. REG_WR(bp, reg, val);
  233. return val;
  234. }
  235. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  236. {
  237. u32 val = REG_RD(bp, reg);
  238. val &= ~bits;
  239. REG_WR(bp, reg, val);
  240. return val;
  241. }
  242. /******************************************************************/
  243. /* EPIO/GPIO section */
  244. /******************************************************************/
  245. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  246. {
  247. u32 epio_mask, gp_oenable;
  248. *en = 0;
  249. /* Sanity check */
  250. if (epio_pin > 31) {
  251. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  252. return;
  253. }
  254. epio_mask = 1 << epio_pin;
  255. /* Set this EPIO to output */
  256. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  257. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  258. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  259. }
  260. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  261. {
  262. u32 epio_mask, gp_output, gp_oenable;
  263. /* Sanity check */
  264. if (epio_pin > 31) {
  265. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  266. return;
  267. }
  268. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  269. epio_mask = 1 << epio_pin;
  270. /* Set this EPIO to output */
  271. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  272. if (en)
  273. gp_output |= epio_mask;
  274. else
  275. gp_output &= ~epio_mask;
  276. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  277. /* Set the value for this EPIO */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  280. }
  281. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  282. {
  283. if (pin_cfg == PIN_CFG_NA)
  284. return;
  285. if (pin_cfg >= PIN_CFG_EPIO0) {
  286. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  287. } else {
  288. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  289. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  290. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  291. }
  292. }
  293. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  294. {
  295. if (pin_cfg == PIN_CFG_NA)
  296. return -EINVAL;
  297. if (pin_cfg >= PIN_CFG_EPIO0) {
  298. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  299. } else {
  300. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  301. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  302. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  303. }
  304. return 0;
  305. }
  306. /******************************************************************/
  307. /* ETS section */
  308. /******************************************************************/
  309. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  310. {
  311. /* ETS disabled configuration*/
  312. struct bnx2x *bp = params->bp;
  313. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  314. /*
  315. * mapping between entry priority to client number (0,1,2 -debug and
  316. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  317. * 3bits client num.
  318. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  319. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  320. */
  321. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  322. /*
  323. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  324. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  325. * COS0 entry, 4 - COS1 entry.
  326. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  327. * bit4 bit3 bit2 bit1 bit0
  328. * MCP and debug are strict
  329. */
  330. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  331. /* defines which entries (clients) are subjected to WFQ arbitration */
  332. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  333. /*
  334. * For strict priority entries defines the number of consecutive
  335. * slots for the highest priority.
  336. */
  337. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  338. /*
  339. * mapping between the CREDIT_WEIGHT registers and actual client
  340. * numbers
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  343. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  346. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  347. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  348. /* ETS mode disable */
  349. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  350. /*
  351. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  352. * weight for COS0/COS1.
  353. */
  354. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  355. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  356. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  357. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  358. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  359. /* Defines the number of consecutive slots for the strict priority */
  360. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  361. }
  362. /******************************************************************************
  363. * Description:
  364. * Getting min_w_val will be set according to line speed .
  365. *.
  366. ******************************************************************************/
  367. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  368. {
  369. u32 min_w_val = 0;
  370. /* Calculate min_w_val.*/
  371. if (vars->link_up) {
  372. if (SPEED_20000 == vars->line_speed)
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. else
  375. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  376. } else
  377. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  378. /**
  379. * If the link isn't up (static configuration for example ) The
  380. * link will be according to 20GBPS.
  381. */
  382. return min_w_val;
  383. }
  384. /******************************************************************************
  385. * Description:
  386. * Getting credit upper bound form min_w_val.
  387. *.
  388. ******************************************************************************/
  389. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  390. {
  391. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  392. MAX_PACKET_SIZE);
  393. return credit_upper_bound;
  394. }
  395. /******************************************************************************
  396. * Description:
  397. * Set credit upper bound for NIG.
  398. *.
  399. ******************************************************************************/
  400. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  401. const struct link_params *params,
  402. const u32 min_w_val)
  403. {
  404. struct bnx2x *bp = params->bp;
  405. const u8 port = params->port;
  406. const u32 credit_upper_bound =
  407. bnx2x_ets_get_credit_upper_bound(min_w_val);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  416. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  417. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  418. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  419. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  420. if (0 == port) {
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  422. credit_upper_bound);
  423. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  424. credit_upper_bound);
  425. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  426. credit_upper_bound);
  427. }
  428. }
  429. /******************************************************************************
  430. * Description:
  431. * Will return the NIG ETS registers to init values.Except
  432. * credit_upper_bound.
  433. * That isn't used in this configuration (No WFQ is enabled) and will be
  434. * configured acording to spec
  435. *.
  436. ******************************************************************************/
  437. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  438. const struct link_vars *vars)
  439. {
  440. struct bnx2x *bp = params->bp;
  441. const u8 port = params->port;
  442. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  443. /**
  444. * mapping between entry priority to client number (0,1,2 -debug and
  445. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  446. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  447. * reset value or init tool
  448. */
  449. if (port) {
  450. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  451. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  452. } else {
  453. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  454. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  455. }
  456. /**
  457. * For strict priority entries defines the number of consecutive
  458. * slots for the highest priority.
  459. */
  460. /* TODO_ETS - Should be done by reset value or init tool */
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  462. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  463. /**
  464. * mapping between the CREDIT_WEIGHT registers and actual client
  465. * numbers
  466. */
  467. /* TODO_ETS - Should be done by reset value or init tool */
  468. if (port) {
  469. /*Port 1 has 6 COS*/
  470. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  471. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  472. } else {
  473. /*Port 0 has 9 COS*/
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  475. 0x43210876);
  476. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  477. }
  478. /**
  479. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  480. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  481. * COS0 entry, 4 - COS1 entry.
  482. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  483. * bit4 bit3 bit2 bit1 bit0
  484. * MCP and debug are strict
  485. */
  486. if (port)
  487. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  488. else
  489. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  490. /* defines which entries (clients) are subjected to WFQ arbitration */
  491. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  492. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  493. /**
  494. * Please notice the register address are note continuous and a
  495. * for here is note appropriate.In 2 port mode port0 only COS0-5
  496. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  497. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  498. * are never used for WFQ
  499. */
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  508. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  509. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  510. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  511. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  512. if (0 == port) {
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  514. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  515. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  516. }
  517. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  518. }
  519. /******************************************************************************
  520. * Description:
  521. * Set credit upper bound for PBF.
  522. *.
  523. ******************************************************************************/
  524. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  525. const struct link_params *params,
  526. const u32 min_w_val)
  527. {
  528. struct bnx2x *bp = params->bp;
  529. const u32 credit_upper_bound =
  530. bnx2x_ets_get_credit_upper_bound(min_w_val);
  531. const u8 port = params->port;
  532. u32 base_upper_bound = 0;
  533. u8 max_cos = 0;
  534. u8 i = 0;
  535. /**
  536. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  537. * port mode port1 has COS0-2 that can be used for WFQ.
  538. */
  539. if (0 == port) {
  540. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  541. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  542. } else {
  543. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  544. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  545. }
  546. for (i = 0; i < max_cos; i++)
  547. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  548. }
  549. /******************************************************************************
  550. * Description:
  551. * Will return the PBF ETS registers to init values.Except
  552. * credit_upper_bound.
  553. * That isn't used in this configuration (No WFQ is enabled) and will be
  554. * configured acording to spec
  555. *.
  556. ******************************************************************************/
  557. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  558. {
  559. struct bnx2x *bp = params->bp;
  560. const u8 port = params->port;
  561. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  562. u8 i = 0;
  563. u32 base_weight = 0;
  564. u8 max_cos = 0;
  565. /**
  566. * mapping between entry priority to client number 0 - COS0
  567. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  568. * TODO_ETS - Should be done by reset value or init tool
  569. */
  570. if (port)
  571. /* 0x688 (|011|0 10|00 1|000) */
  572. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  573. else
  574. /* (10 1|100 |011|0 10|00 1|000) */
  575. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  576. /* TODO_ETS - Should be done by reset value or init tool */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000)*/
  579. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  580. else
  581. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  584. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  585. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  586. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  587. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  588. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  589. /**
  590. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  591. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  592. */
  593. if (0 == port) {
  594. base_weight = PBF_REG_COS0_WEIGHT_P0;
  595. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  596. } else {
  597. base_weight = PBF_REG_COS0_WEIGHT_P1;
  598. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  599. }
  600. for (i = 0; i < max_cos; i++)
  601. REG_WR(bp, base_weight + (0x4 * i), 0);
  602. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  603. }
  604. /******************************************************************************
  605. * Description:
  606. * E3B0 disable will return basicly the values to init values.
  607. *.
  608. ******************************************************************************/
  609. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  610. const struct link_vars *vars)
  611. {
  612. struct bnx2x *bp = params->bp;
  613. if (!CHIP_IS_E3B0(bp)) {
  614. DP(NETIF_MSG_LINK,
  615. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  616. return -EINVAL;
  617. }
  618. bnx2x_ets_e3b0_nig_disabled(params, vars);
  619. bnx2x_ets_e3b0_pbf_disabled(params);
  620. return 0;
  621. }
  622. /******************************************************************************
  623. * Description:
  624. * Disable will return basicly the values to init values.
  625. *.
  626. ******************************************************************************/
  627. int bnx2x_ets_disabled(struct link_params *params,
  628. struct link_vars *vars)
  629. {
  630. struct bnx2x *bp = params->bp;
  631. int bnx2x_status = 0;
  632. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  633. bnx2x_ets_e2e3a0_disabled(params);
  634. else if (CHIP_IS_E3B0(bp))
  635. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  636. else {
  637. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  638. return -EINVAL;
  639. }
  640. return bnx2x_status;
  641. }
  642. /******************************************************************************
  643. * Description
  644. * Set the COS mappimg to SP and BW until this point all the COS are not
  645. * set as SP or BW.
  646. ******************************************************************************/
  647. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  648. const struct bnx2x_ets_params *ets_params,
  649. const u8 cos_sp_bitmap,
  650. const u8 cos_bw_bitmap)
  651. {
  652. struct bnx2x *bp = params->bp;
  653. const u8 port = params->port;
  654. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  655. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  656. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  657. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  660. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  661. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  662. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  663. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  664. nig_cli_subject2wfq_bitmap);
  665. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  666. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  667. pbf_cli_subject2wfq_bitmap);
  668. return 0;
  669. }
  670. /******************************************************************************
  671. * Description:
  672. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  673. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  674. ******************************************************************************/
  675. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  676. const u8 cos_entry,
  677. const u32 min_w_val_nig,
  678. const u32 min_w_val_pbf,
  679. const u16 total_bw,
  680. const u8 bw,
  681. const u8 port)
  682. {
  683. u32 nig_reg_adress_crd_weight = 0;
  684. u32 pbf_reg_adress_crd_weight = 0;
  685. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  686. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  687. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  688. switch (cos_entry) {
  689. case 0:
  690. nig_reg_adress_crd_weight =
  691. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  692. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  693. pbf_reg_adress_crd_weight = (port) ?
  694. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  695. break;
  696. case 1:
  697. nig_reg_adress_crd_weight = (port) ?
  698. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  699. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  700. pbf_reg_adress_crd_weight = (port) ?
  701. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  702. break;
  703. case 2:
  704. nig_reg_adress_crd_weight = (port) ?
  705. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  706. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  707. pbf_reg_adress_crd_weight = (port) ?
  708. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  709. break;
  710. case 3:
  711. if (port)
  712. return -EINVAL;
  713. nig_reg_adress_crd_weight =
  714. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  715. pbf_reg_adress_crd_weight =
  716. PBF_REG_COS3_WEIGHT_P0;
  717. break;
  718. case 4:
  719. if (port)
  720. return -EINVAL;
  721. nig_reg_adress_crd_weight =
  722. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  723. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  724. break;
  725. case 5:
  726. if (port)
  727. return -EINVAL;
  728. nig_reg_adress_crd_weight =
  729. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  730. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  731. break;
  732. }
  733. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  734. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  735. return 0;
  736. }
  737. /******************************************************************************
  738. * Description:
  739. * Calculate the total BW.A value of 0 isn't legal.
  740. *.
  741. ******************************************************************************/
  742. static int bnx2x_ets_e3b0_get_total_bw(
  743. const struct link_params *params,
  744. const struct bnx2x_ets_params *ets_params,
  745. u16 *total_bw)
  746. {
  747. struct bnx2x *bp = params->bp;
  748. u8 cos_idx = 0;
  749. *total_bw = 0 ;
  750. /* Calculate total BW requested */
  751. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  752. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  753. *total_bw +=
  754. ets_params->cos[cos_idx].params.bw_params.bw;
  755. }
  756. }
  757. /* Check total BW is valid */
  758. if ((100 != *total_bw) || (0 == *total_bw)) {
  759. if (0 == *total_bw) {
  760. DP(NETIF_MSG_LINK,
  761. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  762. return -EINVAL;
  763. }
  764. DP(NETIF_MSG_LINK,
  765. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  766. /**
  767. * We can handle a case whre the BW isn't 100 this can happen
  768. * if the TC are joined.
  769. */
  770. }
  771. return 0;
  772. }
  773. /******************************************************************************
  774. * Description:
  775. * Invalidate all the sp_pri_to_cos.
  776. *.
  777. ******************************************************************************/
  778. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  779. {
  780. u8 pri = 0;
  781. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  782. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  783. }
  784. /******************************************************************************
  785. * Description:
  786. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  787. * according to sp_pri_to_cos.
  788. *.
  789. ******************************************************************************/
  790. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  791. u8 *sp_pri_to_cos, const u8 pri,
  792. const u8 cos_entry)
  793. {
  794. struct bnx2x *bp = params->bp;
  795. const u8 port = params->port;
  796. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  797. DCBX_E3B0_MAX_NUM_COS_PORT0;
  798. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  799. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  800. "parameter There can't be two COS's with "
  801. "the same strict pri\n");
  802. return -EINVAL;
  803. }
  804. if (pri > max_num_of_cos) {
  805. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  806. "parameter Illegal strict priority\n");
  807. return -EINVAL;
  808. }
  809. sp_pri_to_cos[pri] = cos_entry;
  810. return 0;
  811. }
  812. /******************************************************************************
  813. * Description:
  814. * Returns the correct value according to COS and priority in
  815. * the sp_pri_cli register.
  816. *.
  817. ******************************************************************************/
  818. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  819. const u8 pri_set,
  820. const u8 pri_offset,
  821. const u8 entry_size)
  822. {
  823. u64 pri_cli_nig = 0;
  824. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  825. (pri_set + pri_offset));
  826. return pri_cli_nig;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in the
  831. * sp_pri_cli register for NIG.
  832. *.
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  835. {
  836. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  837. const u8 nig_cos_offset = 3;
  838. const u8 nig_pri_offset = 3;
  839. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  840. nig_pri_offset, 4);
  841. }
  842. /******************************************************************************
  843. * Description:
  844. * Returns the correct value according to COS and priority in the
  845. * sp_pri_cli register for PBF.
  846. *.
  847. ******************************************************************************/
  848. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  849. {
  850. const u8 pbf_cos_offset = 0;
  851. const u8 pbf_pri_offset = 0;
  852. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  853. pbf_pri_offset, 3);
  854. }
  855. /******************************************************************************
  856. * Description:
  857. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  858. * according to sp_pri_to_cos.(which COS has higher priority)
  859. *.
  860. ******************************************************************************/
  861. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  862. u8 *sp_pri_to_cos)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. u8 i = 0;
  866. const u8 port = params->port;
  867. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  868. u64 pri_cli_nig = 0x210;
  869. u32 pri_cli_pbf = 0x0;
  870. u8 pri_set = 0;
  871. u8 pri_bitmask = 0;
  872. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  873. DCBX_E3B0_MAX_NUM_COS_PORT0;
  874. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  875. /* Set all the strict priority first */
  876. for (i = 0; i < max_num_of_cos; i++) {
  877. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  878. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  879. DP(NETIF_MSG_LINK,
  880. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  881. "invalid cos entry\n");
  882. return -EINVAL;
  883. }
  884. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  885. sp_pri_to_cos[i], pri_set);
  886. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  887. sp_pri_to_cos[i], pri_set);
  888. pri_bitmask = 1 << sp_pri_to_cos[i];
  889. /* COS is used remove it from bitmap.*/
  890. if (0 == (pri_bitmask & cos_bit_to_set)) {
  891. DP(NETIF_MSG_LINK,
  892. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  893. "invalid There can't be two COS's with"
  894. " the same strict pri\n");
  895. return -EINVAL;
  896. }
  897. cos_bit_to_set &= ~pri_bitmask;
  898. pri_set++;
  899. }
  900. }
  901. /* Set all the Non strict priority i= COS*/
  902. for (i = 0; i < max_num_of_cos; i++) {
  903. pri_bitmask = 1 << i;
  904. /* Check if COS was already used for SP */
  905. if (pri_bitmask & cos_bit_to_set) {
  906. /* COS wasn't used for SP */
  907. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  908. i, pri_set);
  909. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  910. i, pri_set);
  911. /* COS is used remove it from bitmap.*/
  912. cos_bit_to_set &= ~pri_bitmask;
  913. pri_set++;
  914. }
  915. }
  916. if (pri_set != max_num_of_cos) {
  917. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  918. "entries were set\n");
  919. return -EINVAL;
  920. }
  921. if (port) {
  922. /* Only 6 usable clients*/
  923. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  924. (u32)pri_cli_nig);
  925. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  926. } else {
  927. /* Only 9 usable clients*/
  928. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  929. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  930. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  931. pri_cli_nig_lsb);
  932. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  933. pri_cli_nig_msb);
  934. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  935. }
  936. return 0;
  937. }
  938. /******************************************************************************
  939. * Description:
  940. * Configure the COS to ETS according to BW and SP settings.
  941. ******************************************************************************/
  942. int bnx2x_ets_e3b0_config(const struct link_params *params,
  943. const struct link_vars *vars,
  944. const struct bnx2x_ets_params *ets_params)
  945. {
  946. struct bnx2x *bp = params->bp;
  947. int bnx2x_status = 0;
  948. const u8 port = params->port;
  949. u16 total_bw = 0;
  950. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  951. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  952. u8 cos_bw_bitmap = 0;
  953. u8 cos_sp_bitmap = 0;
  954. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  955. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  956. DCBX_E3B0_MAX_NUM_COS_PORT0;
  957. u8 cos_entry = 0;
  958. if (!CHIP_IS_E3B0(bp)) {
  959. DP(NETIF_MSG_LINK,
  960. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  961. return -EINVAL;
  962. }
  963. if ((ets_params->num_of_cos > max_num_of_cos)) {
  964. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  965. "isn't supported\n");
  966. return -EINVAL;
  967. }
  968. /* Prepare sp strict priority parameters*/
  969. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  970. /* Prepare BW parameters*/
  971. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  972. &total_bw);
  973. if (0 != bnx2x_status) {
  974. DP(NETIF_MSG_LINK,
  975. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  976. return -EINVAL;
  977. }
  978. /**
  979. * Upper bound is set according to current link speed (min_w_val
  980. * should be the same for upper bound and COS credit val).
  981. */
  982. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  983. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  984. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  985. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  986. cos_bw_bitmap |= (1 << cos_entry);
  987. /**
  988. * The function also sets the BW in HW(not the mappin
  989. * yet)
  990. */
  991. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  992. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  993. total_bw,
  994. ets_params->cos[cos_entry].params.bw_params.bw,
  995. port);
  996. } else if (bnx2x_cos_state_strict ==
  997. ets_params->cos[cos_entry].state){
  998. cos_sp_bitmap |= (1 << cos_entry);
  999. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1000. params,
  1001. sp_pri_to_cos,
  1002. ets_params->cos[cos_entry].params.sp_params.pri,
  1003. cos_entry);
  1004. } else {
  1005. DP(NETIF_MSG_LINK,
  1006. "bnx2x_ets_e3b0_config cos state not valid\n");
  1007. return -EINVAL;
  1008. }
  1009. if (0 != bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1012. return bnx2x_status;
  1013. }
  1014. }
  1015. /* Set SP register (which COS has higher priority) */
  1016. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1017. sp_pri_to_cos);
  1018. if (0 != bnx2x_status) {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1021. return bnx2x_status;
  1022. }
  1023. /* Set client mapping of BW and strict */
  1024. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1025. cos_sp_bitmap,
  1026. cos_bw_bitmap);
  1027. if (0 != bnx2x_status) {
  1028. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1029. return bnx2x_status;
  1030. }
  1031. return 0;
  1032. }
  1033. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1034. {
  1035. /* ETS disabled configuration */
  1036. struct bnx2x *bp = params->bp;
  1037. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1038. /*
  1039. * defines which entries (clients) are subjected to WFQ arbitration
  1040. * COS0 0x8
  1041. * COS1 0x10
  1042. */
  1043. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1044. /*
  1045. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1046. * client numbers (WEIGHT_0 does not actually have to represent
  1047. * client 0)
  1048. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1049. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1050. */
  1051. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1053. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1054. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1055. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1056. /* ETS mode enabled*/
  1057. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1058. /* Defines the number of consecutive slots for the strict priority */
  1059. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1060. /*
  1061. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1062. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1063. * entry, 4 - COS1 entry.
  1064. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1065. * bit4 bit3 bit2 bit1 bit0
  1066. * MCP and debug are strict
  1067. */
  1068. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1069. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1070. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1071. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1072. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1073. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1074. }
  1075. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1076. const u32 cos1_bw)
  1077. {
  1078. /* ETS disabled configuration*/
  1079. struct bnx2x *bp = params->bp;
  1080. const u32 total_bw = cos0_bw + cos1_bw;
  1081. u32 cos0_credit_weight = 0;
  1082. u32 cos1_credit_weight = 0;
  1083. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1084. if ((0 == total_bw) ||
  1085. (0 == cos0_bw) ||
  1086. (0 == cos1_bw)) {
  1087. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1088. return;
  1089. }
  1090. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1091. total_bw;
  1092. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1093. total_bw;
  1094. bnx2x_ets_bw_limit_common(params);
  1095. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1097. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1099. }
  1100. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1101. {
  1102. /* ETS disabled configuration*/
  1103. struct bnx2x *bp = params->bp;
  1104. u32 val = 0;
  1105. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1106. /*
  1107. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1108. * as strict. Bits 0,1,2 - debug and management entries,
  1109. * 3 - COS0 entry, 4 - COS1 entry.
  1110. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1111. * bit4 bit3 bit2 bit1 bit0
  1112. * MCP and debug are strict
  1113. */
  1114. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1115. /*
  1116. * For strict priority entries defines the number of consecutive slots
  1117. * for the highest priority.
  1118. */
  1119. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1120. /* ETS mode disable */
  1121. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1122. /* Defines the number of consecutive slots for the strict priority */
  1123. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1126. /*
  1127. * mapping between entry priority to client number (0,1,2 -debug and
  1128. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1129. * 3bits client num.
  1130. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1131. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1132. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1133. */
  1134. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1135. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1136. return 0;
  1137. }
  1138. /******************************************************************/
  1139. /* PFC section */
  1140. /******************************************************************/
  1141. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1142. struct link_vars *vars,
  1143. u8 is_lb)
  1144. {
  1145. struct bnx2x *bp = params->bp;
  1146. u32 xmac_base;
  1147. u32 pause_val, pfc0_val, pfc1_val;
  1148. /* XMAC base adrr */
  1149. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1150. /* Initialize pause and pfc registers */
  1151. pause_val = 0x18000;
  1152. pfc0_val = 0xFFFF8000;
  1153. pfc1_val = 0x2;
  1154. /* No PFC support */
  1155. if (!(params->feature_config_flags &
  1156. FEATURE_CONFIG_PFC_ENABLED)) {
  1157. /*
  1158. * RX flow control - Process pause frame in receive direction
  1159. */
  1160. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1161. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1162. /*
  1163. * TX flow control - Send pause packet when buffer is full
  1164. */
  1165. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1166. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1167. } else {/* PFC support */
  1168. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1169. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1170. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1171. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1172. }
  1173. /* Write pause and PFC registers */
  1174. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1175. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1177. /* Set MAC address for source TX Pause/PFC frames */
  1178. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1179. ((params->mac_addr[2] << 24) |
  1180. (params->mac_addr[3] << 16) |
  1181. (params->mac_addr[4] << 8) |
  1182. (params->mac_addr[5])));
  1183. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1184. ((params->mac_addr[0] << 8) |
  1185. (params->mac_addr[1])));
  1186. udelay(30);
  1187. }
  1188. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1189. u32 pfc_frames_sent[2],
  1190. u32 pfc_frames_received[2])
  1191. {
  1192. /* Read pfc statistic */
  1193. struct bnx2x *bp = params->bp;
  1194. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1195. u32 val_xon = 0;
  1196. u32 val_xoff = 0;
  1197. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1198. /* PFC received frames */
  1199. val_xoff = REG_RD(bp, emac_base +
  1200. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1201. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1202. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1203. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1204. pfc_frames_received[0] = val_xon + val_xoff;
  1205. /* PFC received sent */
  1206. val_xoff = REG_RD(bp, emac_base +
  1207. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1208. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1209. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1210. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1211. pfc_frames_sent[0] = val_xon + val_xoff;
  1212. }
  1213. /* Read pfc statistic*/
  1214. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1215. u32 pfc_frames_sent[2],
  1216. u32 pfc_frames_received[2])
  1217. {
  1218. /* Read pfc statistic */
  1219. struct bnx2x *bp = params->bp;
  1220. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1221. if (!vars->link_up)
  1222. return;
  1223. if (MAC_TYPE_EMAC == vars->mac_type) {
  1224. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1225. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1226. pfc_frames_received);
  1227. }
  1228. }
  1229. /******************************************************************/
  1230. /* MAC/PBF section */
  1231. /******************************************************************/
  1232. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1233. {
  1234. u32 mode, emac_base;
  1235. /**
  1236. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1237. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1238. */
  1239. if (CHIP_IS_E2(bp))
  1240. emac_base = GRCBASE_EMAC0;
  1241. else
  1242. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1243. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1244. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1245. EMAC_MDIO_MODE_CLOCK_CNT);
  1246. if (USES_WARPCORE(bp))
  1247. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1248. else
  1249. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1250. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1251. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1252. udelay(40);
  1253. }
  1254. static void bnx2x_emac_init(struct link_params *params,
  1255. struct link_vars *vars)
  1256. {
  1257. /* reset and unreset the emac core */
  1258. struct bnx2x *bp = params->bp;
  1259. u8 port = params->port;
  1260. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1261. u32 val;
  1262. u16 timeout;
  1263. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1264. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1265. udelay(5);
  1266. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1267. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1268. /* init emac - use read-modify-write */
  1269. /* self clear reset */
  1270. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1271. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1272. timeout = 200;
  1273. do {
  1274. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1275. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1276. if (!timeout) {
  1277. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1278. return;
  1279. }
  1280. timeout--;
  1281. } while (val & EMAC_MODE_RESET);
  1282. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1283. /* Set mac address */
  1284. val = ((params->mac_addr[0] << 8) |
  1285. params->mac_addr[1]);
  1286. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1287. val = ((params->mac_addr[2] << 24) |
  1288. (params->mac_addr[3] << 16) |
  1289. (params->mac_addr[4] << 8) |
  1290. params->mac_addr[5]);
  1291. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1292. }
  1293. static void bnx2x_set_xumac_nig(struct link_params *params,
  1294. u16 tx_pause_en,
  1295. u8 enable)
  1296. {
  1297. struct bnx2x *bp = params->bp;
  1298. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1299. enable);
  1300. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1301. enable);
  1302. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1303. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1304. }
  1305. static void bnx2x_umac_disable(struct link_params *params)
  1306. {
  1307. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1308. struct bnx2x *bp = params->bp;
  1309. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1310. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1311. return;
  1312. /* Disable RX and TX */
  1313. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1314. }
  1315. static void bnx2x_umac_enable(struct link_params *params,
  1316. struct link_vars *vars, u8 lb)
  1317. {
  1318. u32 val;
  1319. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1320. struct bnx2x *bp = params->bp;
  1321. /* Reset UMAC */
  1322. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1323. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1324. usleep_range(1000, 1000);
  1325. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1326. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1327. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1328. /**
  1329. * This register determines on which events the MAC will assert
  1330. * error on the i/f to the NIG along w/ EOP.
  1331. */
  1332. /**
  1333. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1334. * params->port*0x14, 0xfffff.
  1335. */
  1336. /* This register opens the gate for the UMAC despite its name */
  1337. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1338. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1339. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1340. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1341. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1342. switch (vars->line_speed) {
  1343. case SPEED_10:
  1344. val |= (0<<2);
  1345. break;
  1346. case SPEED_100:
  1347. val |= (1<<2);
  1348. break;
  1349. case SPEED_1000:
  1350. val |= (2<<2);
  1351. break;
  1352. case SPEED_2500:
  1353. val |= (3<<2);
  1354. break;
  1355. default:
  1356. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1357. vars->line_speed);
  1358. break;
  1359. }
  1360. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1361. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1362. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1363. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1364. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1365. udelay(50);
  1366. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1367. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1368. ((params->mac_addr[2] << 24) |
  1369. (params->mac_addr[3] << 16) |
  1370. (params->mac_addr[4] << 8) |
  1371. (params->mac_addr[5])));
  1372. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1373. ((params->mac_addr[0] << 8) |
  1374. (params->mac_addr[1])));
  1375. /* Enable RX and TX */
  1376. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1377. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1378. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1379. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1380. udelay(50);
  1381. /* Remove SW Reset */
  1382. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1383. /* Check loopback mode */
  1384. if (lb)
  1385. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1386. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1387. /*
  1388. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1389. * length used by the MAC receive logic to check frames.
  1390. */
  1391. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1392. bnx2x_set_xumac_nig(params,
  1393. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1394. vars->mac_type = MAC_TYPE_UMAC;
  1395. }
  1396. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1397. {
  1398. u32 port4mode_ovwr_val;
  1399. /* Check 4-port override enabled */
  1400. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1401. if (port4mode_ovwr_val & (1<<0)) {
  1402. /* Return 4-port mode override value */
  1403. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1404. }
  1405. /* Return 4-port mode from input pin */
  1406. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1407. }
  1408. /* Define the XMAC mode */
  1409. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1410. {
  1411. struct bnx2x *bp = params->bp;
  1412. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1413. /**
  1414. * In 4-port mode, need to set the mode only once, so if XMAC is
  1415. * already out of reset, it means the mode has already been set,
  1416. * and it must not* reset the XMAC again, since it controls both
  1417. * ports of the path
  1418. **/
  1419. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1420. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1421. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1422. DP(NETIF_MSG_LINK,
  1423. "XMAC already out of reset in 4-port mode\n");
  1424. return;
  1425. }
  1426. /* Hard reset */
  1427. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1428. MISC_REGISTERS_RESET_REG_2_XMAC);
  1429. usleep_range(1000, 1000);
  1430. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1431. MISC_REGISTERS_RESET_REG_2_XMAC);
  1432. if (is_port4mode) {
  1433. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1434. /* Set the number of ports on the system side to up to 2 */
  1435. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1436. /* Set the number of ports on the Warp Core to 10G */
  1437. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1438. } else {
  1439. /* Set the number of ports on the system side to 1 */
  1440. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1441. if (max_speed == SPEED_10000) {
  1442. DP(NETIF_MSG_LINK,
  1443. "Init XMAC to 10G x 1 port per path\n");
  1444. /* Set the number of ports on the Warp Core to 10G */
  1445. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1446. } else {
  1447. DP(NETIF_MSG_LINK,
  1448. "Init XMAC to 20G x 2 ports per path\n");
  1449. /* Set the number of ports on the Warp Core to 20G */
  1450. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1451. }
  1452. }
  1453. /* Soft reset */
  1454. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1455. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1456. usleep_range(1000, 1000);
  1457. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1458. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1459. }
  1460. static void bnx2x_xmac_disable(struct link_params *params)
  1461. {
  1462. u8 port = params->port;
  1463. struct bnx2x *bp = params->bp;
  1464. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1465. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1466. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1467. /*
  1468. * Send an indication to change the state in the NIG back to XON
  1469. * Clearing this bit enables the next set of this bit to get
  1470. * rising edge
  1471. */
  1472. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1473. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1474. (pfc_ctrl & ~(1<<1)));
  1475. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1476. (pfc_ctrl | (1<<1)));
  1477. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1478. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1479. }
  1480. }
  1481. static int bnx2x_xmac_enable(struct link_params *params,
  1482. struct link_vars *vars, u8 lb)
  1483. {
  1484. u32 val, xmac_base;
  1485. struct bnx2x *bp = params->bp;
  1486. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1487. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1488. bnx2x_xmac_init(params, vars->line_speed);
  1489. /*
  1490. * This register determines on which events the MAC will assert
  1491. * error on the i/f to the NIG along w/ EOP.
  1492. */
  1493. /*
  1494. * This register tells the NIG whether to send traffic to UMAC
  1495. * or XMAC
  1496. */
  1497. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1498. /* Set Max packet size */
  1499. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1500. /* CRC append for Tx packets */
  1501. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1502. /* update PFC */
  1503. bnx2x_update_pfc_xmac(params, vars, 0);
  1504. /* Enable TX and RX */
  1505. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1506. /* Check loopback mode */
  1507. if (lb)
  1508. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1509. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1510. bnx2x_set_xumac_nig(params,
  1511. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1512. vars->mac_type = MAC_TYPE_XMAC;
  1513. return 0;
  1514. }
  1515. static int bnx2x_emac_enable(struct link_params *params,
  1516. struct link_vars *vars, u8 lb)
  1517. {
  1518. struct bnx2x *bp = params->bp;
  1519. u8 port = params->port;
  1520. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1521. u32 val;
  1522. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1523. /* Disable BMAC */
  1524. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1525. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1526. /* enable emac and not bmac */
  1527. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1528. /* ASIC */
  1529. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1530. u32 ser_lane = ((params->lane_config &
  1531. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1532. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1533. DP(NETIF_MSG_LINK, "XGXS\n");
  1534. /* select the master lanes (out of 0-3) */
  1535. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1536. /* select XGXS */
  1537. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1538. } else { /* SerDes */
  1539. DP(NETIF_MSG_LINK, "SerDes\n");
  1540. /* select SerDes */
  1541. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1542. }
  1543. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1544. EMAC_RX_MODE_RESET);
  1545. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1546. EMAC_TX_MODE_RESET);
  1547. if (CHIP_REV_IS_SLOW(bp)) {
  1548. /* config GMII mode */
  1549. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1550. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1551. } else { /* ASIC */
  1552. /* pause enable/disable */
  1553. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1554. EMAC_RX_MODE_FLOW_EN);
  1555. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1556. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1557. EMAC_TX_MODE_FLOW_EN));
  1558. if (!(params->feature_config_flags &
  1559. FEATURE_CONFIG_PFC_ENABLED)) {
  1560. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1561. bnx2x_bits_en(bp, emac_base +
  1562. EMAC_REG_EMAC_RX_MODE,
  1563. EMAC_RX_MODE_FLOW_EN);
  1564. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1565. bnx2x_bits_en(bp, emac_base +
  1566. EMAC_REG_EMAC_TX_MODE,
  1567. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1568. EMAC_TX_MODE_FLOW_EN));
  1569. } else
  1570. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1571. EMAC_TX_MODE_FLOW_EN);
  1572. }
  1573. /* KEEP_VLAN_TAG, promiscuous */
  1574. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1575. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1576. /*
  1577. * Setting this bit causes MAC control frames (except for pause
  1578. * frames) to be passed on for processing. This setting has no
  1579. * affect on the operation of the pause frames. This bit effects
  1580. * all packets regardless of RX Parser packet sorting logic.
  1581. * Turn the PFC off to make sure we are in Xon state before
  1582. * enabling it.
  1583. */
  1584. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1585. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1586. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1587. /* Enable PFC again */
  1588. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1589. EMAC_REG_RX_PFC_MODE_RX_EN |
  1590. EMAC_REG_RX_PFC_MODE_TX_EN |
  1591. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1592. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1593. ((0x0101 <<
  1594. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1595. (0x00ff <<
  1596. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1597. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1598. }
  1599. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1600. /* Set Loopback */
  1601. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1602. if (lb)
  1603. val |= 0x810;
  1604. else
  1605. val &= ~0x810;
  1606. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1607. /* enable emac */
  1608. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1609. /* enable emac for jumbo packets */
  1610. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1611. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1612. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1613. /* strip CRC */
  1614. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1615. /* disable the NIG in/out to the bmac */
  1616. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1617. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1618. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1619. /* enable the NIG in/out to the emac */
  1620. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1621. val = 0;
  1622. if ((params->feature_config_flags &
  1623. FEATURE_CONFIG_PFC_ENABLED) ||
  1624. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1625. val = 1;
  1626. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1627. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1628. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1629. vars->mac_type = MAC_TYPE_EMAC;
  1630. return 0;
  1631. }
  1632. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1633. struct link_vars *vars)
  1634. {
  1635. u32 wb_data[2];
  1636. struct bnx2x *bp = params->bp;
  1637. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1638. NIG_REG_INGRESS_BMAC0_MEM;
  1639. u32 val = 0x14;
  1640. if ((!(params->feature_config_flags &
  1641. FEATURE_CONFIG_PFC_ENABLED)) &&
  1642. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1643. /* Enable BigMAC to react on received Pause packets */
  1644. val |= (1<<5);
  1645. wb_data[0] = val;
  1646. wb_data[1] = 0;
  1647. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1648. /* tx control */
  1649. val = 0xc0;
  1650. if (!(params->feature_config_flags &
  1651. FEATURE_CONFIG_PFC_ENABLED) &&
  1652. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1653. val |= 0x800000;
  1654. wb_data[0] = val;
  1655. wb_data[1] = 0;
  1656. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1657. }
  1658. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1659. struct link_vars *vars,
  1660. u8 is_lb)
  1661. {
  1662. /*
  1663. * Set rx control: Strip CRC and enable BigMAC to relay
  1664. * control packets to the system as well
  1665. */
  1666. u32 wb_data[2];
  1667. struct bnx2x *bp = params->bp;
  1668. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1669. NIG_REG_INGRESS_BMAC0_MEM;
  1670. u32 val = 0x14;
  1671. if ((!(params->feature_config_flags &
  1672. FEATURE_CONFIG_PFC_ENABLED)) &&
  1673. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1674. /* Enable BigMAC to react on received Pause packets */
  1675. val |= (1<<5);
  1676. wb_data[0] = val;
  1677. wb_data[1] = 0;
  1678. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1679. udelay(30);
  1680. /* Tx control */
  1681. val = 0xc0;
  1682. if (!(params->feature_config_flags &
  1683. FEATURE_CONFIG_PFC_ENABLED) &&
  1684. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1685. val |= 0x800000;
  1686. wb_data[0] = val;
  1687. wb_data[1] = 0;
  1688. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1689. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1690. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1691. /* Enable PFC RX & TX & STATS and set 8 COS */
  1692. wb_data[0] = 0x0;
  1693. wb_data[0] |= (1<<0); /* RX */
  1694. wb_data[0] |= (1<<1); /* TX */
  1695. wb_data[0] |= (1<<2); /* Force initial Xon */
  1696. wb_data[0] |= (1<<3); /* 8 cos */
  1697. wb_data[0] |= (1<<5); /* STATS */
  1698. wb_data[1] = 0;
  1699. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1700. wb_data, 2);
  1701. /* Clear the force Xon */
  1702. wb_data[0] &= ~(1<<2);
  1703. } else {
  1704. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1705. /* disable PFC RX & TX & STATS and set 8 COS */
  1706. wb_data[0] = 0x8;
  1707. wb_data[1] = 0;
  1708. }
  1709. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1710. /*
  1711. * Set Time (based unit is 512 bit time) between automatic
  1712. * re-sending of PP packets amd enable automatic re-send of
  1713. * Per-Priroity Packet as long as pp_gen is asserted and
  1714. * pp_disable is low.
  1715. */
  1716. val = 0x8000;
  1717. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1718. val |= (1<<16); /* enable automatic re-send */
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1722. wb_data, 2);
  1723. /* mac control */
  1724. val = 0x3; /* Enable RX and TX */
  1725. if (is_lb) {
  1726. val |= 0x4; /* Local loopback */
  1727. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1728. }
  1729. /* When PFC enabled, Pass pause frames towards the NIG. */
  1730. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1731. val |= ((1<<6)|(1<<5));
  1732. wb_data[0] = val;
  1733. wb_data[1] = 0;
  1734. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1735. }
  1736. /* PFC BRB internal port configuration params */
  1737. struct bnx2x_pfc_brb_threshold_val {
  1738. u32 pause_xoff;
  1739. u32 pause_xon;
  1740. u32 full_xoff;
  1741. u32 full_xon;
  1742. };
  1743. struct bnx2x_pfc_brb_e3b0_val {
  1744. u32 full_lb_xoff_th;
  1745. u32 full_lb_xon_threshold;
  1746. u32 lb_guarantied;
  1747. u32 mac_0_class_t_guarantied;
  1748. u32 mac_0_class_t_guarantied_hyst;
  1749. u32 mac_1_class_t_guarantied;
  1750. u32 mac_1_class_t_guarantied_hyst;
  1751. };
  1752. struct bnx2x_pfc_brb_th_val {
  1753. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1754. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1755. };
  1756. static int bnx2x_pfc_brb_get_config_params(
  1757. struct link_params *params,
  1758. struct bnx2x_pfc_brb_th_val *config_val)
  1759. {
  1760. struct bnx2x *bp = params->bp;
  1761. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1762. if (CHIP_IS_E2(bp)) {
  1763. config_val->pauseable_th.pause_xoff =
  1764. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1765. config_val->pauseable_th.pause_xon =
  1766. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1767. config_val->pauseable_th.full_xoff =
  1768. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1769. config_val->pauseable_th.full_xon =
  1770. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1771. /* non pause able*/
  1772. config_val->non_pauseable_th.pause_xoff =
  1773. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1774. config_val->non_pauseable_th.pause_xon =
  1775. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1776. config_val->non_pauseable_th.full_xoff =
  1777. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1778. config_val->non_pauseable_th.full_xon =
  1779. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1780. } else if (CHIP_IS_E3A0(bp)) {
  1781. config_val->pauseable_th.pause_xoff =
  1782. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1783. config_val->pauseable_th.pause_xon =
  1784. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1785. config_val->pauseable_th.full_xoff =
  1786. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1787. config_val->pauseable_th.full_xon =
  1788. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1789. /* non pause able*/
  1790. config_val->non_pauseable_th.pause_xoff =
  1791. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.pause_xon =
  1793. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1794. config_val->non_pauseable_th.full_xoff =
  1795. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1796. config_val->non_pauseable_th.full_xon =
  1797. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1798. } else if (CHIP_IS_E3B0(bp)) {
  1799. if (params->phy[INT_PHY].flags &
  1800. FLAGS_4_PORT_MODE) {
  1801. config_val->pauseable_th.pause_xoff =
  1802. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1803. config_val->pauseable_th.pause_xon =
  1804. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1805. config_val->pauseable_th.full_xoff =
  1806. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1807. config_val->pauseable_th.full_xon =
  1808. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1809. /* non pause able*/
  1810. config_val->non_pauseable_th.pause_xoff =
  1811. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1812. config_val->non_pauseable_th.pause_xon =
  1813. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1814. config_val->non_pauseable_th.full_xoff =
  1815. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1816. config_val->non_pauseable_th.full_xon =
  1817. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1818. } else {
  1819. config_val->pauseable_th.pause_xoff =
  1820. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1821. config_val->pauseable_th.pause_xon =
  1822. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1823. config_val->pauseable_th.full_xoff =
  1824. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1825. config_val->pauseable_th.full_xon =
  1826. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1827. /* non pause able*/
  1828. config_val->non_pauseable_th.pause_xoff =
  1829. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.pause_xon =
  1831. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xoff =
  1833. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1834. config_val->non_pauseable_th.full_xon =
  1835. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1836. }
  1837. } else
  1838. return -EINVAL;
  1839. return 0;
  1840. }
  1841. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1842. struct bnx2x_pfc_brb_e3b0_val
  1843. *e3b0_val,
  1844. u32 cos0_pauseable,
  1845. u32 cos1_pauseable)
  1846. {
  1847. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1848. e3b0_val->full_lb_xoff_th =
  1849. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1850. e3b0_val->full_lb_xon_threshold =
  1851. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1852. e3b0_val->lb_guarantied =
  1853. PFC_E3B0_4P_LB_GUART;
  1854. e3b0_val->mac_0_class_t_guarantied =
  1855. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1856. e3b0_val->mac_0_class_t_guarantied_hyst =
  1857. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1858. e3b0_val->mac_1_class_t_guarantied =
  1859. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1860. e3b0_val->mac_1_class_t_guarantied_hyst =
  1861. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1862. } else {
  1863. e3b0_val->full_lb_xoff_th =
  1864. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1865. e3b0_val->full_lb_xon_threshold =
  1866. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1867. e3b0_val->mac_0_class_t_guarantied_hyst =
  1868. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1869. e3b0_val->mac_1_class_t_guarantied =
  1870. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1871. e3b0_val->mac_1_class_t_guarantied_hyst =
  1872. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1873. if (cos0_pauseable != cos1_pauseable) {
  1874. /* nonpauseable= Lossy + pauseable = Lossless*/
  1875. e3b0_val->lb_guarantied =
  1876. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1877. e3b0_val->mac_0_class_t_guarantied =
  1878. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1879. } else if (cos0_pauseable) {
  1880. /* Lossless +Lossless*/
  1881. e3b0_val->lb_guarantied =
  1882. PFC_E3B0_2P_PAUSE_LB_GUART;
  1883. e3b0_val->mac_0_class_t_guarantied =
  1884. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1885. } else {
  1886. /* Lossy +Lossy*/
  1887. e3b0_val->lb_guarantied =
  1888. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1889. e3b0_val->mac_0_class_t_guarantied =
  1890. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1891. }
  1892. }
  1893. }
  1894. static int bnx2x_update_pfc_brb(struct link_params *params,
  1895. struct link_vars *vars,
  1896. struct bnx2x_nig_brb_pfc_port_params
  1897. *pfc_params)
  1898. {
  1899. struct bnx2x *bp = params->bp;
  1900. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1901. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1902. &config_val.pauseable_th;
  1903. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1904. int set_pfc = params->feature_config_flags &
  1905. FEATURE_CONFIG_PFC_ENABLED;
  1906. int bnx2x_status = 0;
  1907. u8 port = params->port;
  1908. /* default - pause configuration */
  1909. reg_th_config = &config_val.pauseable_th;
  1910. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1911. if (0 != bnx2x_status)
  1912. return bnx2x_status;
  1913. if (set_pfc && pfc_params)
  1914. /* First COS */
  1915. if (!pfc_params->cos0_pauseable)
  1916. reg_th_config = &config_val.non_pauseable_th;
  1917. /*
  1918. * The number of free blocks below which the pause signal to class 0
  1919. * of MAC #n is asserted. n=0,1
  1920. */
  1921. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1922. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1923. reg_th_config->pause_xoff);
  1924. /*
  1925. * The number of free blocks above which the pause signal to class 0
  1926. * of MAC #n is de-asserted. n=0,1
  1927. */
  1928. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1929. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1930. /*
  1931. * The number of free blocks below which the full signal to class 0
  1932. * of MAC #n is asserted. n=0,1
  1933. */
  1934. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1935. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1936. /*
  1937. * The number of free blocks above which the full signal to class 0
  1938. * of MAC #n is de-asserted. n=0,1
  1939. */
  1940. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1941. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1942. if (set_pfc && pfc_params) {
  1943. /* Second COS */
  1944. if (pfc_params->cos1_pauseable)
  1945. reg_th_config = &config_val.pauseable_th;
  1946. else
  1947. reg_th_config = &config_val.non_pauseable_th;
  1948. /*
  1949. * The number of free blocks below which the pause signal to
  1950. * class 1 of MAC #n is asserted. n=0,1
  1951. **/
  1952. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1953. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1954. reg_th_config->pause_xoff);
  1955. /*
  1956. * The number of free blocks above which the pause signal to
  1957. * class 1 of MAC #n is de-asserted. n=0,1
  1958. */
  1959. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1960. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1961. reg_th_config->pause_xon);
  1962. /*
  1963. * The number of free blocks below which the full signal to
  1964. * class 1 of MAC #n is asserted. n=0,1
  1965. */
  1966. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1967. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1968. reg_th_config->full_xoff);
  1969. /*
  1970. * The number of free blocks above which the full signal to
  1971. * class 1 of MAC #n is de-asserted. n=0,1
  1972. */
  1973. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1974. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1975. reg_th_config->full_xon);
  1976. if (CHIP_IS_E3B0(bp)) {
  1977. /*Should be done by init tool */
  1978. /*
  1979. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1980. * reset value
  1981. * 944
  1982. */
  1983. /**
  1984. * The hysteresis on the guarantied buffer space for the Lb port
  1985. * before signaling XON.
  1986. **/
  1987. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1988. bnx2x_pfc_brb_get_e3b0_config_params(
  1989. params,
  1990. &e3b0_val,
  1991. pfc_params->cos0_pauseable,
  1992. pfc_params->cos1_pauseable);
  1993. /**
  1994. * The number of free blocks below which the full signal to the
  1995. * LB port is asserted.
  1996. */
  1997. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1998. e3b0_val.full_lb_xoff_th);
  1999. /**
  2000. * The number of free blocks above which the full signal to the
  2001. * LB port is de-asserted.
  2002. */
  2003. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2004. e3b0_val.full_lb_xon_threshold);
  2005. /**
  2006. * The number of blocks guarantied for the MAC #n port. n=0,1
  2007. */
  2008. /*The number of blocks guarantied for the LB port.*/
  2009. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2010. e3b0_val.lb_guarantied);
  2011. /**
  2012. * The number of blocks guarantied for the MAC #n port.
  2013. */
  2014. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2015. 2 * e3b0_val.mac_0_class_t_guarantied);
  2016. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2017. 2 * e3b0_val.mac_1_class_t_guarantied);
  2018. /**
  2019. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2020. */
  2021. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2022. e3b0_val.mac_0_class_t_guarantied);
  2023. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2024. e3b0_val.mac_0_class_t_guarantied);
  2025. /**
  2026. * The hysteresis on the guarantied buffer space for class in
  2027. * MAC0. t=0,1
  2028. */
  2029. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2030. e3b0_val.mac_0_class_t_guarantied_hyst);
  2031. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2032. e3b0_val.mac_0_class_t_guarantied_hyst);
  2033. /**
  2034. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2035. */
  2036. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2037. e3b0_val.mac_1_class_t_guarantied);
  2038. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2039. e3b0_val.mac_1_class_t_guarantied);
  2040. /**
  2041. * The hysteresis on the guarantied buffer space for class #t
  2042. * in MAC1. t=0,1
  2043. */
  2044. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2045. e3b0_val.mac_1_class_t_guarantied_hyst);
  2046. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2047. e3b0_val.mac_1_class_t_guarantied_hyst);
  2048. }
  2049. }
  2050. return bnx2x_status;
  2051. }
  2052. /******************************************************************************
  2053. * Description:
  2054. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2055. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2056. ******************************************************************************/
  2057. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2058. u8 cos_entry,
  2059. u32 priority_mask, u8 port)
  2060. {
  2061. u32 nig_reg_rx_priority_mask_add = 0;
  2062. switch (cos_entry) {
  2063. case 0:
  2064. nig_reg_rx_priority_mask_add = (port) ?
  2065. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2066. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2067. break;
  2068. case 1:
  2069. nig_reg_rx_priority_mask_add = (port) ?
  2070. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2071. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2072. break;
  2073. case 2:
  2074. nig_reg_rx_priority_mask_add = (port) ?
  2075. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2076. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2077. break;
  2078. case 3:
  2079. if (port)
  2080. return -EINVAL;
  2081. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2082. break;
  2083. case 4:
  2084. if (port)
  2085. return -EINVAL;
  2086. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2087. break;
  2088. case 5:
  2089. if (port)
  2090. return -EINVAL;
  2091. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2092. break;
  2093. }
  2094. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2095. return 0;
  2096. }
  2097. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2098. {
  2099. struct bnx2x *bp = params->bp;
  2100. REG_WR(bp, params->shmem_base +
  2101. offsetof(struct shmem_region,
  2102. port_mb[params->port].link_status), link_status);
  2103. }
  2104. static void bnx2x_update_pfc_nig(struct link_params *params,
  2105. struct link_vars *vars,
  2106. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2107. {
  2108. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2109. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2110. u32 pkt_priority_to_cos = 0;
  2111. struct bnx2x *bp = params->bp;
  2112. u8 port = params->port;
  2113. int set_pfc = params->feature_config_flags &
  2114. FEATURE_CONFIG_PFC_ENABLED;
  2115. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2116. /*
  2117. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2118. * MAC control frames (that are not pause packets)
  2119. * will be forwarded to the XCM.
  2120. */
  2121. xcm_mask = REG_RD(bp,
  2122. port ? NIG_REG_LLH1_XCM_MASK :
  2123. NIG_REG_LLH0_XCM_MASK);
  2124. /*
  2125. * nig params will override non PFC params, since it's possible to
  2126. * do transition from PFC to SAFC
  2127. */
  2128. if (set_pfc) {
  2129. pause_enable = 0;
  2130. llfc_out_en = 0;
  2131. llfc_enable = 0;
  2132. if (CHIP_IS_E3(bp))
  2133. ppp_enable = 0;
  2134. else
  2135. ppp_enable = 1;
  2136. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2137. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2138. xcm0_out_en = 0;
  2139. p0_hwpfc_enable = 1;
  2140. } else {
  2141. if (nig_params) {
  2142. llfc_out_en = nig_params->llfc_out_en;
  2143. llfc_enable = nig_params->llfc_enable;
  2144. pause_enable = nig_params->pause_enable;
  2145. } else /*defaul non PFC mode - PAUSE */
  2146. pause_enable = 1;
  2147. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2148. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2149. xcm0_out_en = 1;
  2150. }
  2151. if (CHIP_IS_E3(bp))
  2152. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2153. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2154. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2155. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2156. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2157. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2158. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2159. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2160. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2161. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2162. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2163. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2164. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2165. /* output enable for RX_XCM # IF */
  2166. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2167. /* HW PFC TX enable */
  2168. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2169. if (nig_params) {
  2170. u8 i = 0;
  2171. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2172. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2173. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2174. nig_params->rx_cos_priority_mask[i], port);
  2175. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2176. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2177. nig_params->llfc_high_priority_classes);
  2178. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2179. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2180. nig_params->llfc_low_priority_classes);
  2181. }
  2182. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2183. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2184. pkt_priority_to_cos);
  2185. }
  2186. int bnx2x_update_pfc(struct link_params *params,
  2187. struct link_vars *vars,
  2188. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2189. {
  2190. /*
  2191. * The PFC and pause are orthogonal to one another, meaning when
  2192. * PFC is enabled, the pause are disabled, and when PFC is
  2193. * disabled, pause are set according to the pause result.
  2194. */
  2195. u32 val;
  2196. struct bnx2x *bp = params->bp;
  2197. int bnx2x_status = 0;
  2198. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2199. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2200. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2201. else
  2202. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2203. bnx2x_update_mng(params, vars->link_status);
  2204. /* update NIG params */
  2205. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2206. /* update BRB params */
  2207. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2208. if (0 != bnx2x_status)
  2209. return bnx2x_status;
  2210. if (!vars->link_up)
  2211. return bnx2x_status;
  2212. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2213. if (CHIP_IS_E3(bp))
  2214. bnx2x_update_pfc_xmac(params, vars, 0);
  2215. else {
  2216. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2217. if ((val &
  2218. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2219. == 0) {
  2220. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2221. bnx2x_emac_enable(params, vars, 0);
  2222. return bnx2x_status;
  2223. }
  2224. if (CHIP_IS_E2(bp))
  2225. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2226. else
  2227. bnx2x_update_pfc_bmac1(params, vars);
  2228. val = 0;
  2229. if ((params->feature_config_flags &
  2230. FEATURE_CONFIG_PFC_ENABLED) ||
  2231. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2232. val = 1;
  2233. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2234. }
  2235. return bnx2x_status;
  2236. }
  2237. static int bnx2x_bmac1_enable(struct link_params *params,
  2238. struct link_vars *vars,
  2239. u8 is_lb)
  2240. {
  2241. struct bnx2x *bp = params->bp;
  2242. u8 port = params->port;
  2243. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2244. NIG_REG_INGRESS_BMAC0_MEM;
  2245. u32 wb_data[2];
  2246. u32 val;
  2247. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2248. /* XGXS control */
  2249. wb_data[0] = 0x3c;
  2250. wb_data[1] = 0;
  2251. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2252. wb_data, 2);
  2253. /* tx MAC SA */
  2254. wb_data[0] = ((params->mac_addr[2] << 24) |
  2255. (params->mac_addr[3] << 16) |
  2256. (params->mac_addr[4] << 8) |
  2257. params->mac_addr[5]);
  2258. wb_data[1] = ((params->mac_addr[0] << 8) |
  2259. params->mac_addr[1]);
  2260. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2261. /* mac control */
  2262. val = 0x3;
  2263. if (is_lb) {
  2264. val |= 0x4;
  2265. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2266. }
  2267. wb_data[0] = val;
  2268. wb_data[1] = 0;
  2269. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2270. /* set rx mtu */
  2271. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2272. wb_data[1] = 0;
  2273. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2274. bnx2x_update_pfc_bmac1(params, vars);
  2275. /* set tx mtu */
  2276. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2277. wb_data[1] = 0;
  2278. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2279. /* set cnt max size */
  2280. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2281. wb_data[1] = 0;
  2282. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2283. /* configure safc */
  2284. wb_data[0] = 0x1000200;
  2285. wb_data[1] = 0;
  2286. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2287. wb_data, 2);
  2288. return 0;
  2289. }
  2290. static int bnx2x_bmac2_enable(struct link_params *params,
  2291. struct link_vars *vars,
  2292. u8 is_lb)
  2293. {
  2294. struct bnx2x *bp = params->bp;
  2295. u8 port = params->port;
  2296. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2297. NIG_REG_INGRESS_BMAC0_MEM;
  2298. u32 wb_data[2];
  2299. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2300. wb_data[0] = 0;
  2301. wb_data[1] = 0;
  2302. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2303. udelay(30);
  2304. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2305. wb_data[0] = 0x3c;
  2306. wb_data[1] = 0;
  2307. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2308. wb_data, 2);
  2309. udelay(30);
  2310. /* tx MAC SA */
  2311. wb_data[0] = ((params->mac_addr[2] << 24) |
  2312. (params->mac_addr[3] << 16) |
  2313. (params->mac_addr[4] << 8) |
  2314. params->mac_addr[5]);
  2315. wb_data[1] = ((params->mac_addr[0] << 8) |
  2316. params->mac_addr[1]);
  2317. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2318. wb_data, 2);
  2319. udelay(30);
  2320. /* Configure SAFC */
  2321. wb_data[0] = 0x1000200;
  2322. wb_data[1] = 0;
  2323. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2324. wb_data, 2);
  2325. udelay(30);
  2326. /* set rx mtu */
  2327. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2328. wb_data[1] = 0;
  2329. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2330. udelay(30);
  2331. /* set tx mtu */
  2332. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2333. wb_data[1] = 0;
  2334. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2335. udelay(30);
  2336. /* set cnt max size */
  2337. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2338. wb_data[1] = 0;
  2339. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2340. udelay(30);
  2341. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2342. return 0;
  2343. }
  2344. static int bnx2x_bmac_enable(struct link_params *params,
  2345. struct link_vars *vars,
  2346. u8 is_lb)
  2347. {
  2348. int rc = 0;
  2349. u8 port = params->port;
  2350. struct bnx2x *bp = params->bp;
  2351. u32 val;
  2352. /* reset and unreset the BigMac */
  2353. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2354. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2355. msleep(1);
  2356. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2357. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2358. /* enable access for bmac registers */
  2359. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2360. /* Enable BMAC according to BMAC type*/
  2361. if (CHIP_IS_E2(bp))
  2362. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2363. else
  2364. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2365. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2366. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2368. val = 0;
  2369. if ((params->feature_config_flags &
  2370. FEATURE_CONFIG_PFC_ENABLED) ||
  2371. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2372. val = 1;
  2373. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2374. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2375. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2376. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2377. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2378. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2379. vars->mac_type = MAC_TYPE_BMAC;
  2380. return rc;
  2381. }
  2382. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2383. {
  2384. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2385. NIG_REG_INGRESS_BMAC0_MEM;
  2386. u32 wb_data[2];
  2387. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2388. /* Only if the bmac is out of reset */
  2389. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2390. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2391. nig_bmac_enable) {
  2392. if (CHIP_IS_E2(bp)) {
  2393. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2394. REG_RD_DMAE(bp, bmac_addr +
  2395. BIGMAC2_REGISTER_BMAC_CONTROL,
  2396. wb_data, 2);
  2397. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2398. REG_WR_DMAE(bp, bmac_addr +
  2399. BIGMAC2_REGISTER_BMAC_CONTROL,
  2400. wb_data, 2);
  2401. } else {
  2402. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2403. REG_RD_DMAE(bp, bmac_addr +
  2404. BIGMAC_REGISTER_BMAC_CONTROL,
  2405. wb_data, 2);
  2406. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2407. REG_WR_DMAE(bp, bmac_addr +
  2408. BIGMAC_REGISTER_BMAC_CONTROL,
  2409. wb_data, 2);
  2410. }
  2411. msleep(1);
  2412. }
  2413. }
  2414. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2415. u32 line_speed)
  2416. {
  2417. struct bnx2x *bp = params->bp;
  2418. u8 port = params->port;
  2419. u32 init_crd, crd;
  2420. u32 count = 1000;
  2421. /* disable port */
  2422. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2423. /* wait for init credit */
  2424. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2425. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2426. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2427. while ((init_crd != crd) && count) {
  2428. msleep(5);
  2429. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2430. count--;
  2431. }
  2432. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2433. if (init_crd != crd) {
  2434. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2435. init_crd, crd);
  2436. return -EINVAL;
  2437. }
  2438. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2439. line_speed == SPEED_10 ||
  2440. line_speed == SPEED_100 ||
  2441. line_speed == SPEED_1000 ||
  2442. line_speed == SPEED_2500) {
  2443. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2444. /* update threshold */
  2445. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2446. /* update init credit */
  2447. init_crd = 778; /* (800-18-4) */
  2448. } else {
  2449. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2450. ETH_OVREHEAD)/16;
  2451. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2452. /* update threshold */
  2453. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2454. /* update init credit */
  2455. switch (line_speed) {
  2456. case SPEED_10000:
  2457. init_crd = thresh + 553 - 22;
  2458. break;
  2459. default:
  2460. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2461. line_speed);
  2462. return -EINVAL;
  2463. }
  2464. }
  2465. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2466. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2467. line_speed, init_crd);
  2468. /* probe the credit changes */
  2469. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2470. msleep(5);
  2471. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2472. /* enable port */
  2473. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2474. return 0;
  2475. }
  2476. /**
  2477. * bnx2x_get_emac_base - retrive emac base address
  2478. *
  2479. * @bp: driver handle
  2480. * @mdc_mdio_access: access type
  2481. * @port: port id
  2482. *
  2483. * This function selects the MDC/MDIO access (through emac0 or
  2484. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2485. * phy has a default access mode, which could also be overridden
  2486. * by nvram configuration. This parameter, whether this is the
  2487. * default phy configuration, or the nvram overrun
  2488. * configuration, is passed here as mdc_mdio_access and selects
  2489. * the emac_base for the CL45 read/writes operations
  2490. */
  2491. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2492. u32 mdc_mdio_access, u8 port)
  2493. {
  2494. u32 emac_base = 0;
  2495. switch (mdc_mdio_access) {
  2496. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2497. break;
  2498. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2499. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2500. emac_base = GRCBASE_EMAC1;
  2501. else
  2502. emac_base = GRCBASE_EMAC0;
  2503. break;
  2504. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2505. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2506. emac_base = GRCBASE_EMAC0;
  2507. else
  2508. emac_base = GRCBASE_EMAC1;
  2509. break;
  2510. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2511. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2512. break;
  2513. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2514. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2515. break;
  2516. default:
  2517. break;
  2518. }
  2519. return emac_base;
  2520. }
  2521. /******************************************************************/
  2522. /* CL22 access functions */
  2523. /******************************************************************/
  2524. static int bnx2x_cl22_write(struct bnx2x *bp,
  2525. struct bnx2x_phy *phy,
  2526. u16 reg, u16 val)
  2527. {
  2528. u32 tmp, mode;
  2529. u8 i;
  2530. int rc = 0;
  2531. /* Switch to CL22 */
  2532. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2533. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2534. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2535. /* address */
  2536. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2537. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2538. EMAC_MDIO_COMM_START_BUSY);
  2539. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2540. for (i = 0; i < 50; i++) {
  2541. udelay(10);
  2542. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2543. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2544. udelay(5);
  2545. break;
  2546. }
  2547. }
  2548. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2549. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2550. rc = -EFAULT;
  2551. }
  2552. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2553. return rc;
  2554. }
  2555. static int bnx2x_cl22_read(struct bnx2x *bp,
  2556. struct bnx2x_phy *phy,
  2557. u16 reg, u16 *ret_val)
  2558. {
  2559. u32 val, mode;
  2560. u16 i;
  2561. int rc = 0;
  2562. /* Switch to CL22 */
  2563. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2564. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2565. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2566. /* address */
  2567. val = ((phy->addr << 21) | (reg << 16) |
  2568. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2569. EMAC_MDIO_COMM_START_BUSY);
  2570. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2571. for (i = 0; i < 50; i++) {
  2572. udelay(10);
  2573. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2574. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2575. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2576. udelay(5);
  2577. break;
  2578. }
  2579. }
  2580. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2581. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2582. *ret_val = 0;
  2583. rc = -EFAULT;
  2584. }
  2585. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2586. return rc;
  2587. }
  2588. /******************************************************************/
  2589. /* CL45 access functions */
  2590. /******************************************************************/
  2591. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2592. u8 devad, u16 reg, u16 *ret_val)
  2593. {
  2594. u32 val;
  2595. u16 i;
  2596. int rc = 0;
  2597. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2598. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2599. EMAC_MDIO_STATUS_10MB);
  2600. /* address */
  2601. val = ((phy->addr << 21) | (devad << 16) | reg |
  2602. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2603. EMAC_MDIO_COMM_START_BUSY);
  2604. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2605. for (i = 0; i < 50; i++) {
  2606. udelay(10);
  2607. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2608. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2609. udelay(5);
  2610. break;
  2611. }
  2612. }
  2613. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2614. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2615. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2616. *ret_val = 0;
  2617. rc = -EFAULT;
  2618. } else {
  2619. /* data */
  2620. val = ((phy->addr << 21) | (devad << 16) |
  2621. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2622. EMAC_MDIO_COMM_START_BUSY);
  2623. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2624. for (i = 0; i < 50; i++) {
  2625. udelay(10);
  2626. val = REG_RD(bp, phy->mdio_ctrl +
  2627. EMAC_REG_EMAC_MDIO_COMM);
  2628. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2629. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2630. break;
  2631. }
  2632. }
  2633. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2634. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2635. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2636. *ret_val = 0;
  2637. rc = -EFAULT;
  2638. }
  2639. }
  2640. /* Work around for E3 A0 */
  2641. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2642. phy->flags ^= FLAGS_DUMMY_READ;
  2643. if (phy->flags & FLAGS_DUMMY_READ) {
  2644. u16 temp_val;
  2645. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2646. }
  2647. }
  2648. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2649. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2650. EMAC_MDIO_STATUS_10MB);
  2651. return rc;
  2652. }
  2653. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2654. u8 devad, u16 reg, u16 val)
  2655. {
  2656. u32 tmp;
  2657. u8 i;
  2658. int rc = 0;
  2659. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2660. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2661. EMAC_MDIO_STATUS_10MB);
  2662. /* address */
  2663. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2664. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2665. EMAC_MDIO_COMM_START_BUSY);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2667. for (i = 0; i < 50; i++) {
  2668. udelay(10);
  2669. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2670. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2671. udelay(5);
  2672. break;
  2673. }
  2674. }
  2675. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2676. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2677. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2678. rc = -EFAULT;
  2679. } else {
  2680. /* data */
  2681. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2682. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2683. EMAC_MDIO_COMM_START_BUSY);
  2684. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2685. for (i = 0; i < 50; i++) {
  2686. udelay(10);
  2687. tmp = REG_RD(bp, phy->mdio_ctrl +
  2688. EMAC_REG_EMAC_MDIO_COMM);
  2689. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2690. udelay(5);
  2691. break;
  2692. }
  2693. }
  2694. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2695. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2696. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2697. rc = -EFAULT;
  2698. }
  2699. }
  2700. /* Work around for E3 A0 */
  2701. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2702. phy->flags ^= FLAGS_DUMMY_READ;
  2703. if (phy->flags & FLAGS_DUMMY_READ) {
  2704. u16 temp_val;
  2705. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2706. }
  2707. }
  2708. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2709. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2710. EMAC_MDIO_STATUS_10MB);
  2711. return rc;
  2712. }
  2713. /******************************************************************/
  2714. /* BSC access functions from E3 */
  2715. /******************************************************************/
  2716. static void bnx2x_bsc_module_sel(struct link_params *params)
  2717. {
  2718. int idx;
  2719. u32 board_cfg, sfp_ctrl;
  2720. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2721. struct bnx2x *bp = params->bp;
  2722. u8 port = params->port;
  2723. /* Read I2C output PINs */
  2724. board_cfg = REG_RD(bp, params->shmem_base +
  2725. offsetof(struct shmem_region,
  2726. dev_info.shared_hw_config.board));
  2727. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2728. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2729. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2730. /* Read I2C output value */
  2731. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2732. offsetof(struct shmem_region,
  2733. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2734. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2735. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2736. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2737. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2738. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2739. }
  2740. static int bnx2x_bsc_read(struct link_params *params,
  2741. struct bnx2x_phy *phy,
  2742. u8 sl_devid,
  2743. u16 sl_addr,
  2744. u8 lc_addr,
  2745. u8 xfer_cnt,
  2746. u32 *data_array)
  2747. {
  2748. u32 val, i;
  2749. int rc = 0;
  2750. struct bnx2x *bp = params->bp;
  2751. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2752. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2753. return -EINVAL;
  2754. }
  2755. if (xfer_cnt > 16) {
  2756. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2757. xfer_cnt);
  2758. return -EINVAL;
  2759. }
  2760. bnx2x_bsc_module_sel(params);
  2761. xfer_cnt = 16 - lc_addr;
  2762. /* enable the engine */
  2763. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2764. val |= MCPR_IMC_COMMAND_ENABLE;
  2765. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2766. /* program slave device ID */
  2767. val = (sl_devid << 16) | sl_addr;
  2768. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2769. /* start xfer with 0 byte to update the address pointer ???*/
  2770. val = (MCPR_IMC_COMMAND_ENABLE) |
  2771. (MCPR_IMC_COMMAND_WRITE_OP <<
  2772. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2773. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2774. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2775. /* poll for completion */
  2776. i = 0;
  2777. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2778. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2779. udelay(10);
  2780. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2781. if (i++ > 1000) {
  2782. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2783. i);
  2784. rc = -EFAULT;
  2785. break;
  2786. }
  2787. }
  2788. if (rc == -EFAULT)
  2789. return rc;
  2790. /* start xfer with read op */
  2791. val = (MCPR_IMC_COMMAND_ENABLE) |
  2792. (MCPR_IMC_COMMAND_READ_OP <<
  2793. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2794. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2795. (xfer_cnt);
  2796. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2797. /* poll for completion */
  2798. i = 0;
  2799. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2800. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2801. udelay(10);
  2802. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2803. if (i++ > 1000) {
  2804. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2805. rc = -EFAULT;
  2806. break;
  2807. }
  2808. }
  2809. if (rc == -EFAULT)
  2810. return rc;
  2811. for (i = (lc_addr >> 2); i < 4; i++) {
  2812. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2813. #ifdef __BIG_ENDIAN
  2814. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2815. ((data_array[i] & 0x0000ff00) << 8) |
  2816. ((data_array[i] & 0x00ff0000) >> 8) |
  2817. ((data_array[i] & 0xff000000) >> 24);
  2818. #endif
  2819. }
  2820. return rc;
  2821. }
  2822. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2823. u8 devad, u16 reg, u16 or_val)
  2824. {
  2825. u16 val;
  2826. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2827. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2828. }
  2829. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2830. u8 devad, u16 reg, u16 *ret_val)
  2831. {
  2832. u8 phy_index;
  2833. /*
  2834. * Probe for the phy according to the given phy_addr, and execute
  2835. * the read request on it
  2836. */
  2837. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2838. if (params->phy[phy_index].addr == phy_addr) {
  2839. return bnx2x_cl45_read(params->bp,
  2840. &params->phy[phy_index], devad,
  2841. reg, ret_val);
  2842. }
  2843. }
  2844. return -EINVAL;
  2845. }
  2846. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2847. u8 devad, u16 reg, u16 val)
  2848. {
  2849. u8 phy_index;
  2850. /*
  2851. * Probe for the phy according to the given phy_addr, and execute
  2852. * the write request on it
  2853. */
  2854. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2855. if (params->phy[phy_index].addr == phy_addr) {
  2856. return bnx2x_cl45_write(params->bp,
  2857. &params->phy[phy_index], devad,
  2858. reg, val);
  2859. }
  2860. }
  2861. return -EINVAL;
  2862. }
  2863. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2864. struct link_params *params)
  2865. {
  2866. u8 lane = 0;
  2867. struct bnx2x *bp = params->bp;
  2868. u32 path_swap, path_swap_ovr;
  2869. u8 path, port;
  2870. path = BP_PATH(bp);
  2871. port = params->port;
  2872. if (bnx2x_is_4_port_mode(bp)) {
  2873. u32 port_swap, port_swap_ovr;
  2874. /*figure out path swap value */
  2875. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2876. if (path_swap_ovr & 0x1)
  2877. path_swap = (path_swap_ovr & 0x2);
  2878. else
  2879. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2880. if (path_swap)
  2881. path = path ^ 1;
  2882. /*figure out port swap value */
  2883. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2884. if (port_swap_ovr & 0x1)
  2885. port_swap = (port_swap_ovr & 0x2);
  2886. else
  2887. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2888. if (port_swap)
  2889. port = port ^ 1;
  2890. lane = (port<<1) + path;
  2891. } else { /* two port mode - no port swap */
  2892. /*figure out path swap value */
  2893. path_swap_ovr =
  2894. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2895. if (path_swap_ovr & 0x1) {
  2896. path_swap = (path_swap_ovr & 0x2);
  2897. } else {
  2898. path_swap =
  2899. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2900. }
  2901. if (path_swap)
  2902. path = path ^ 1;
  2903. lane = path << 1 ;
  2904. }
  2905. return lane;
  2906. }
  2907. static void bnx2x_set_aer_mmd(struct link_params *params,
  2908. struct bnx2x_phy *phy)
  2909. {
  2910. u32 ser_lane;
  2911. u16 offset, aer_val;
  2912. struct bnx2x *bp = params->bp;
  2913. ser_lane = ((params->lane_config &
  2914. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2915. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2916. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2917. (phy->addr + ser_lane) : 0;
  2918. if (USES_WARPCORE(bp)) {
  2919. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2920. /*
  2921. * In Dual-lane mode, two lanes are joined together,
  2922. * so in order to configure them, the AER broadcast method is
  2923. * used here.
  2924. * 0x200 is the broadcast address for lanes 0,1
  2925. * 0x201 is the broadcast address for lanes 2,3
  2926. */
  2927. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2928. aer_val = (aer_val >> 1) | 0x200;
  2929. } else if (CHIP_IS_E2(bp))
  2930. aer_val = 0x3800 + offset - 1;
  2931. else
  2932. aer_val = 0x3800 + offset;
  2933. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2934. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2935. MDIO_AER_BLOCK_AER_REG, aer_val);
  2936. }
  2937. /******************************************************************/
  2938. /* Internal phy section */
  2939. /******************************************************************/
  2940. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2941. {
  2942. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2943. /* Set Clause 22 */
  2944. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2945. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2946. udelay(500);
  2947. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2948. udelay(500);
  2949. /* Set Clause 45 */
  2950. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2951. }
  2952. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2953. {
  2954. u32 val;
  2955. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2956. val = SERDES_RESET_BITS << (port*16);
  2957. /* reset and unreset the SerDes/XGXS */
  2958. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2959. udelay(500);
  2960. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2961. bnx2x_set_serdes_access(bp, port);
  2962. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2963. DEFAULT_PHY_DEV_ADDR);
  2964. }
  2965. static void bnx2x_xgxs_deassert(struct link_params *params)
  2966. {
  2967. struct bnx2x *bp = params->bp;
  2968. u8 port;
  2969. u32 val;
  2970. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2971. port = params->port;
  2972. val = XGXS_RESET_BITS << (port*16);
  2973. /* reset and unreset the SerDes/XGXS */
  2974. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2975. udelay(500);
  2976. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2977. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2978. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2979. params->phy[INT_PHY].def_md_devad);
  2980. }
  2981. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2982. struct link_params *params, u16 *ieee_fc)
  2983. {
  2984. struct bnx2x *bp = params->bp;
  2985. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2986. /**
  2987. * resolve pause mode and advertisement Please refer to Table
  2988. * 28B-3 of the 802.3ab-1999 spec
  2989. */
  2990. switch (phy->req_flow_ctrl) {
  2991. case BNX2X_FLOW_CTRL_AUTO:
  2992. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2993. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2994. else
  2995. *ieee_fc |=
  2996. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2997. break;
  2998. case BNX2X_FLOW_CTRL_TX:
  2999. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3000. break;
  3001. case BNX2X_FLOW_CTRL_RX:
  3002. case BNX2X_FLOW_CTRL_BOTH:
  3003. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3004. break;
  3005. case BNX2X_FLOW_CTRL_NONE:
  3006. default:
  3007. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3008. break;
  3009. }
  3010. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3011. }
  3012. static void set_phy_vars(struct link_params *params,
  3013. struct link_vars *vars)
  3014. {
  3015. struct bnx2x *bp = params->bp;
  3016. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3017. u8 phy_config_swapped = params->multi_phy_config &
  3018. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3019. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3020. phy_index++) {
  3021. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3022. actual_phy_idx = phy_index;
  3023. if (phy_config_swapped) {
  3024. if (phy_index == EXT_PHY1)
  3025. actual_phy_idx = EXT_PHY2;
  3026. else if (phy_index == EXT_PHY2)
  3027. actual_phy_idx = EXT_PHY1;
  3028. }
  3029. params->phy[actual_phy_idx].req_flow_ctrl =
  3030. params->req_flow_ctrl[link_cfg_idx];
  3031. params->phy[actual_phy_idx].req_line_speed =
  3032. params->req_line_speed[link_cfg_idx];
  3033. params->phy[actual_phy_idx].speed_cap_mask =
  3034. params->speed_cap_mask[link_cfg_idx];
  3035. params->phy[actual_phy_idx].req_duplex =
  3036. params->req_duplex[link_cfg_idx];
  3037. if (params->req_line_speed[link_cfg_idx] ==
  3038. SPEED_AUTO_NEG)
  3039. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3040. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3041. " speed_cap_mask %x\n",
  3042. params->phy[actual_phy_idx].req_flow_ctrl,
  3043. params->phy[actual_phy_idx].req_line_speed,
  3044. params->phy[actual_phy_idx].speed_cap_mask);
  3045. }
  3046. }
  3047. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3048. struct bnx2x_phy *phy,
  3049. struct link_vars *vars)
  3050. {
  3051. u16 val;
  3052. struct bnx2x *bp = params->bp;
  3053. /* read modify write pause advertizing */
  3054. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3055. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3056. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3057. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3058. if ((vars->ieee_fc &
  3059. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3060. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3061. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3062. }
  3063. if ((vars->ieee_fc &
  3064. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3065. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3066. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3067. }
  3068. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3069. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3070. }
  3071. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3072. { /* LD LP */
  3073. switch (pause_result) { /* ASYM P ASYM P */
  3074. case 0xb: /* 1 0 1 1 */
  3075. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3076. break;
  3077. case 0xe: /* 1 1 1 0 */
  3078. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3079. break;
  3080. case 0x5: /* 0 1 0 1 */
  3081. case 0x7: /* 0 1 1 1 */
  3082. case 0xd: /* 1 1 0 1 */
  3083. case 0xf: /* 1 1 1 1 */
  3084. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3085. break;
  3086. default:
  3087. break;
  3088. }
  3089. if (pause_result & (1<<0))
  3090. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3091. if (pause_result & (1<<1))
  3092. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3093. }
  3094. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3095. struct link_params *params,
  3096. struct link_vars *vars)
  3097. {
  3098. struct bnx2x *bp = params->bp;
  3099. u16 ld_pause; /* local */
  3100. u16 lp_pause; /* link partner */
  3101. u16 pause_result;
  3102. u8 ret = 0;
  3103. /* read twice */
  3104. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3105. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3106. vars->flow_ctrl = phy->req_flow_ctrl;
  3107. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3108. vars->flow_ctrl = params->req_fc_auto_adv;
  3109. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3110. ret = 1;
  3111. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3112. bnx2x_cl22_read(bp, phy,
  3113. 0x4, &ld_pause);
  3114. bnx2x_cl22_read(bp, phy,
  3115. 0x5, &lp_pause);
  3116. } else {
  3117. bnx2x_cl45_read(bp, phy,
  3118. MDIO_AN_DEVAD,
  3119. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3120. bnx2x_cl45_read(bp, phy,
  3121. MDIO_AN_DEVAD,
  3122. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3123. }
  3124. pause_result = (ld_pause &
  3125. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3126. pause_result |= (lp_pause &
  3127. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3128. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3129. pause_result);
  3130. bnx2x_pause_resolve(vars, pause_result);
  3131. }
  3132. return ret;
  3133. }
  3134. /******************************************************************/
  3135. /* Warpcore section */
  3136. /******************************************************************/
  3137. /* The init_internal_warpcore should mirror the xgxs,
  3138. * i.e. reset the lane (if needed), set aer for the
  3139. * init configuration, and set/clear SGMII flag. Internal
  3140. * phy init is done purely in phy_init stage.
  3141. */
  3142. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3143. struct link_params *params,
  3144. struct link_vars *vars) {
  3145. u16 val16 = 0, lane, bam37 = 0;
  3146. struct bnx2x *bp = params->bp;
  3147. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3148. /* Disable Autoneg: re-enable it after adv is done. */
  3149. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3150. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3151. /* Check adding advertisement for 1G KX */
  3152. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3153. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3154. (vars->line_speed == SPEED_1000)) {
  3155. u16 sd_digital;
  3156. val16 |= (1<<5);
  3157. /* Enable CL37 1G Parallel Detect */
  3158. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3160. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3161. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3162. (sd_digital | 0x1));
  3163. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3164. }
  3165. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3166. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3167. (vars->line_speed == SPEED_10000)) {
  3168. /* Check adding advertisement for 10G KR */
  3169. val16 |= (1<<7);
  3170. /* Enable 10G Parallel Detect */
  3171. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3172. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3173. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3174. }
  3175. /* Set Transmit PMD settings */
  3176. lane = bnx2x_get_warpcore_lane(phy, params);
  3177. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3179. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3180. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3181. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3182. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3183. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3184. 0x03f0);
  3185. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3186. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3187. 0x03f0);
  3188. /* Advertised speeds */
  3189. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3190. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3191. /* Advertised and set FEC (Forward Error Correction) */
  3192. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3193. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3194. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3195. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3196. /* Enable CL37 BAM */
  3197. if (REG_RD(bp, params->shmem_base +
  3198. offsetof(struct shmem_region, dev_info.
  3199. port_hw_config[params->port].default_cfg)) &
  3200. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3201. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3203. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3204. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3205. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3206. }
  3207. /* Advertise pause */
  3208. bnx2x_ext_phy_set_pause(params, phy, vars);
  3209. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3210. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3211. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3212. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3213. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3214. /* Over 1G - AN local device user page 1 */
  3215. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3217. /* Enable Autoneg */
  3218. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3219. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3220. }
  3221. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3222. struct link_params *params,
  3223. struct link_vars *vars)
  3224. {
  3225. struct bnx2x *bp = params->bp;
  3226. u16 val;
  3227. /* Disable Autoneg */
  3228. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3230. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3231. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3234. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3235. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3236. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3237. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3240. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3241. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3242. /* Disable CL36 PCS Tx */
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3245. /* Double Wide Single Data Rate @ pll rate */
  3246. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3248. /* Leave cl72 training enable, needed for KR */
  3249. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3250. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3251. 0x2);
  3252. /* Leave CL72 enabled */
  3253. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3255. &val);
  3256. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3257. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3258. val | 0x3800);
  3259. /* Set speed via PMA/PMD register */
  3260. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3261. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3262. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3263. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3264. /*Enable encoded forced speed */
  3265. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3266. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3267. /* Turn TX scramble payload only the 64/66 scrambler */
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3270. /* Turn RX scramble payload only the 64/66 scrambler */
  3271. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3273. /* set and clear loopback to cause a reset to 64/66 decoder */
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3276. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3278. }
  3279. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3280. struct link_params *params,
  3281. u8 is_xfi)
  3282. {
  3283. struct bnx2x *bp = params->bp;
  3284. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3285. /* Hold rxSeqStart */
  3286. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3290. /* Hold tx_fifo_reset */
  3291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3293. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3295. /* Disable CL73 AN */
  3296. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3297. /* Disable 100FX Enable and Auto-Detect */
  3298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3299. MDIO_WC_REG_FX100_CTRL1, &val);
  3300. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3302. /* Disable 100FX Idle detect */
  3303. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_FX100_CTRL3, &val);
  3305. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3307. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3308. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3310. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3312. /* Turn off auto-detect & fiber mode */
  3313. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3315. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3317. (val & 0xFFEE));
  3318. /* Set filter_force_link, disable_false_link and parallel_detect */
  3319. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3320. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3321. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3323. ((val | 0x0006) & 0xFFFE));
  3324. /* Set XFI / SFI */
  3325. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3326. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3327. misc1_val &= ~(0x1f);
  3328. if (is_xfi) {
  3329. misc1_val |= 0x5;
  3330. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3331. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3332. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3333. tx_driver_val =
  3334. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3335. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3336. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3337. } else {
  3338. misc1_val |= 0x9;
  3339. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3340. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3341. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3342. tx_driver_val =
  3343. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3344. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3345. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3346. }
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3349. /* Set Transmit PMD settings */
  3350. lane = bnx2x_get_warpcore_lane(phy, params);
  3351. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3352. MDIO_WC_REG_TX_FIR_TAP,
  3353. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3354. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3356. tx_driver_val);
  3357. /* Enable fiber mode, enable and invert sig_det */
  3358. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3362. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3363. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3367. /* 10G XFI Full Duplex */
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3370. /* Release tx_fifo_reset */
  3371. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3375. /* Release rxSeqStart */
  3376. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3380. }
  3381. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3382. struct bnx2x_phy *phy)
  3383. {
  3384. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3385. }
  3386. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3387. struct bnx2x_phy *phy,
  3388. u16 lane)
  3389. {
  3390. /* Rx0 anaRxControl1G */
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3393. /* Rx2 anaRxControl1G */
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3402. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3408. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3412. /* Serdes Digital Misc1 */
  3413. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3415. /* Serdes Digital4 Misc3 */
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3418. /* Set Transmit PMD settings */
  3419. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_TX_FIR_TAP,
  3421. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3422. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3423. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3424. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3425. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3427. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3428. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3429. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3430. }
  3431. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3432. struct link_params *params,
  3433. u8 fiber_mode)
  3434. {
  3435. struct bnx2x *bp = params->bp;
  3436. u16 val16, digctrl_kx1, digctrl_kx2;
  3437. u8 lane;
  3438. lane = bnx2x_get_warpcore_lane(phy, params);
  3439. /* Clear XFI clock comp in non-10G single lane mode. */
  3440. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_RX66_CONTROL, &val16);
  3442. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3444. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3445. /* SGMII Autoneg */
  3446. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3448. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3450. val16 | 0x1000);
  3451. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3452. } else {
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3455. val16 &= 0xcfbf;
  3456. switch (phy->req_line_speed) {
  3457. case SPEED_10:
  3458. break;
  3459. case SPEED_100:
  3460. val16 |= 0x2000;
  3461. break;
  3462. case SPEED_1000:
  3463. val16 |= 0x0040;
  3464. break;
  3465. default:
  3466. DP(NETIF_MSG_LINK,
  3467. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3468. return;
  3469. }
  3470. if (phy->req_duplex == DUPLEX_FULL)
  3471. val16 |= 0x0100;
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3474. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3475. phy->req_line_speed);
  3476. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3478. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3479. }
  3480. /* SGMII Slave mode and disable signal detect */
  3481. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3483. if (fiber_mode)
  3484. digctrl_kx1 = 1;
  3485. else
  3486. digctrl_kx1 &= 0xff4a;
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3489. digctrl_kx1);
  3490. /* Turn off parallel detect */
  3491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3495. (digctrl_kx2 & ~(1<<2)));
  3496. /* Re-enable parallel detect */
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3499. (digctrl_kx2 | (1<<2)));
  3500. /* Enable autodet */
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3503. (digctrl_kx1 | 0x10));
  3504. }
  3505. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3506. struct bnx2x_phy *phy,
  3507. u8 reset)
  3508. {
  3509. u16 val;
  3510. /* Take lane out of reset after configuration is finished */
  3511. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3513. if (reset)
  3514. val |= 0xC000;
  3515. else
  3516. val &= 0x3FFF;
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3519. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3521. }
  3522. /* Clear SFI/XFI link settings registers */
  3523. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3524. struct link_params *params,
  3525. u16 lane)
  3526. {
  3527. struct bnx2x *bp = params->bp;
  3528. u16 val16;
  3529. /* Set XFI clock comp as default. */
  3530. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_RX66_CONTROL, &val16);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3534. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3535. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3546. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3550. lane = bnx2x_get_warpcore_lane(phy, params);
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3559. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3560. }
  3561. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3562. u32 chip_id,
  3563. u32 shmem_base, u8 port,
  3564. u8 *gpio_num, u8 *gpio_port)
  3565. {
  3566. u32 cfg_pin;
  3567. *gpio_num = 0;
  3568. *gpio_port = 0;
  3569. if (CHIP_IS_E3(bp)) {
  3570. cfg_pin = (REG_RD(bp, shmem_base +
  3571. offsetof(struct shmem_region,
  3572. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3573. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3574. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3575. /*
  3576. * Should not happen. This function called upon interrupt
  3577. * triggered by GPIO ( since EPIO can only generate interrupts
  3578. * to MCP).
  3579. * So if this function was called and none of the GPIOs was set,
  3580. * it means the shit hit the fan.
  3581. */
  3582. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3583. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3584. DP(NETIF_MSG_LINK,
  3585. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3586. cfg_pin);
  3587. return -EINVAL;
  3588. }
  3589. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3590. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3591. } else {
  3592. *gpio_num = MISC_REGISTERS_GPIO_3;
  3593. *gpio_port = port;
  3594. }
  3595. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3596. return 0;
  3597. }
  3598. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3599. struct link_params *params)
  3600. {
  3601. struct bnx2x *bp = params->bp;
  3602. u8 gpio_num, gpio_port;
  3603. u32 gpio_val;
  3604. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3605. params->shmem_base, params->port,
  3606. &gpio_num, &gpio_port) != 0)
  3607. return 0;
  3608. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3609. /* Call the handling function in case module is detected */
  3610. if (gpio_val == 0)
  3611. return 1;
  3612. else
  3613. return 0;
  3614. }
  3615. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3616. struct link_params *params)
  3617. {
  3618. u16 gp2_status_reg0, lane;
  3619. struct bnx2x *bp = params->bp;
  3620. lane = bnx2x_get_warpcore_lane(phy, params);
  3621. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3622. &gp2_status_reg0);
  3623. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3624. }
  3625. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3626. struct link_params *params,
  3627. struct link_vars *vars)
  3628. {
  3629. struct bnx2x *bp = params->bp;
  3630. u32 serdes_net_if;
  3631. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3632. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3633. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3634. if (!vars->turn_to_run_wc_rt)
  3635. return;
  3636. /* return if there is no link partner */
  3637. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3638. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3639. return;
  3640. }
  3641. if (vars->rx_tx_asic_rst) {
  3642. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3643. offsetof(struct shmem_region, dev_info.
  3644. port_hw_config[params->port].default_cfg)) &
  3645. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3646. switch (serdes_net_if) {
  3647. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3648. /* Do we get link yet? */
  3649. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3650. &gp_status1);
  3651. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3652. /*10G KR*/
  3653. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3654. DP(NETIF_MSG_LINK,
  3655. "gp_status1 0x%x\n", gp_status1);
  3656. if (lnkup_kr || lnkup) {
  3657. vars->rx_tx_asic_rst = 0;
  3658. DP(NETIF_MSG_LINK,
  3659. "link up, rx_tx_asic_rst 0x%x\n",
  3660. vars->rx_tx_asic_rst);
  3661. } else {
  3662. /*reset the lane to see if link comes up.*/
  3663. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3664. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3665. /* restart Autoneg */
  3666. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3667. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3668. vars->rx_tx_asic_rst--;
  3669. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3670. vars->rx_tx_asic_rst);
  3671. }
  3672. break;
  3673. default:
  3674. break;
  3675. }
  3676. } /*params->rx_tx_asic_rst*/
  3677. }
  3678. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3679. struct link_params *params,
  3680. struct link_vars *vars)
  3681. {
  3682. struct bnx2x *bp = params->bp;
  3683. u32 serdes_net_if;
  3684. u8 fiber_mode;
  3685. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3686. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3687. offsetof(struct shmem_region, dev_info.
  3688. port_hw_config[params->port].default_cfg)) &
  3689. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3690. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3691. "serdes_net_if = 0x%x\n",
  3692. vars->line_speed, serdes_net_if);
  3693. bnx2x_set_aer_mmd(params, phy);
  3694. vars->phy_flags |= PHY_XGXS_FLAG;
  3695. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3696. (phy->req_line_speed &&
  3697. ((phy->req_line_speed == SPEED_100) ||
  3698. (phy->req_line_speed == SPEED_10)))) {
  3699. vars->phy_flags |= PHY_SGMII_FLAG;
  3700. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3701. bnx2x_warpcore_clear_regs(phy, params, lane);
  3702. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3703. } else {
  3704. switch (serdes_net_if) {
  3705. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3706. /* Enable KR Auto Neg */
  3707. if (params->loopback_mode == LOOPBACK_NONE)
  3708. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3709. else {
  3710. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3711. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3712. }
  3713. break;
  3714. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3715. bnx2x_warpcore_clear_regs(phy, params, lane);
  3716. if (vars->line_speed == SPEED_10000) {
  3717. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3718. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3719. } else {
  3720. if (SINGLE_MEDIA_DIRECT(params)) {
  3721. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3722. fiber_mode = 1;
  3723. } else {
  3724. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3725. fiber_mode = 0;
  3726. }
  3727. bnx2x_warpcore_set_sgmii_speed(phy,
  3728. params,
  3729. fiber_mode);
  3730. }
  3731. break;
  3732. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3733. bnx2x_warpcore_clear_regs(phy, params, lane);
  3734. if (vars->line_speed == SPEED_10000) {
  3735. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3736. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3737. } else if (vars->line_speed == SPEED_1000) {
  3738. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3739. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3740. }
  3741. /* Issue Module detection */
  3742. if (bnx2x_is_sfp_module_plugged(phy, params))
  3743. bnx2x_sfp_module_detection(phy, params);
  3744. break;
  3745. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3746. if (vars->line_speed != SPEED_20000) {
  3747. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3748. return;
  3749. }
  3750. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3751. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3752. /* Issue Module detection */
  3753. bnx2x_sfp_module_detection(phy, params);
  3754. break;
  3755. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3756. if (vars->line_speed != SPEED_20000) {
  3757. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3758. return;
  3759. }
  3760. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3761. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3762. break;
  3763. default:
  3764. DP(NETIF_MSG_LINK,
  3765. "Unsupported Serdes Net Interface 0x%x\n",
  3766. serdes_net_if);
  3767. return;
  3768. }
  3769. }
  3770. /* Take lane out of reset after configuration is finished */
  3771. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3772. DP(NETIF_MSG_LINK, "Exit config init\n");
  3773. }
  3774. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3775. struct bnx2x_phy *phy,
  3776. u8 tx_en)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u32 cfg_pin;
  3780. u8 port = params->port;
  3781. cfg_pin = REG_RD(bp, params->shmem_base +
  3782. offsetof(struct shmem_region,
  3783. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3784. PORT_HW_CFG_TX_LASER_MASK;
  3785. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3786. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3787. /* For 20G, the expected pin to be used is 3 pins after the current */
  3788. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3789. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3790. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3791. }
  3792. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3793. struct link_params *params)
  3794. {
  3795. struct bnx2x *bp = params->bp;
  3796. u16 val16;
  3797. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3798. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3799. bnx2x_set_aer_mmd(params, phy);
  3800. /* Global register */
  3801. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3802. /* Clear loopback settings (if any) */
  3803. /* 10G & 20G */
  3804. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3805. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3806. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3807. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3808. 0xBFFF);
  3809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3810. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3811. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3812. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3813. /* Update those 1-copy registers */
  3814. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3815. MDIO_AER_BLOCK_AER_REG, 0);
  3816. /* Enable 1G MDIO (1-copy) */
  3817. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3818. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3819. &val16);
  3820. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3821. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3822. val16 & ~0x10);
  3823. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3824. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3825. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3826. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3827. val16 & 0xff00);
  3828. }
  3829. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3830. struct link_params *params)
  3831. {
  3832. struct bnx2x *bp = params->bp;
  3833. u16 val16;
  3834. u32 lane;
  3835. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3836. params->loopback_mode, phy->req_line_speed);
  3837. if (phy->req_line_speed < SPEED_10000) {
  3838. /* 10/100/1000 */
  3839. /* Update those 1-copy registers */
  3840. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3841. MDIO_AER_BLOCK_AER_REG, 0);
  3842. /* Enable 1G MDIO (1-copy) */
  3843. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3844. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3845. &val16);
  3846. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3847. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3848. val16 | 0x10);
  3849. /* Set 1G loopback based on lane (1-copy) */
  3850. lane = bnx2x_get_warpcore_lane(phy, params);
  3851. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3852. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3853. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3854. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3855. val16 | (1<<lane));
  3856. /* Switch back to 4-copy registers */
  3857. bnx2x_set_aer_mmd(params, phy);
  3858. /* Global loopback, not recommended. */
  3859. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3860. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3861. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3862. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3863. 0x4000);
  3864. } else {
  3865. /* 10G & 20G */
  3866. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3867. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3868. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3869. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3870. 0x4000);
  3871. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3872. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3873. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3874. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3875. }
  3876. }
  3877. void bnx2x_link_status_update(struct link_params *params,
  3878. struct link_vars *vars)
  3879. {
  3880. struct bnx2x *bp = params->bp;
  3881. u8 link_10g_plus;
  3882. u8 port = params->port;
  3883. u32 sync_offset, media_types;
  3884. /* Update PHY configuration */
  3885. set_phy_vars(params, vars);
  3886. vars->link_status = REG_RD(bp, params->shmem_base +
  3887. offsetof(struct shmem_region,
  3888. port_mb[port].link_status));
  3889. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3890. vars->phy_flags = PHY_XGXS_FLAG;
  3891. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3892. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3893. if (vars->link_up) {
  3894. DP(NETIF_MSG_LINK, "phy link up\n");
  3895. vars->phy_link_up = 1;
  3896. vars->duplex = DUPLEX_FULL;
  3897. switch (vars->link_status &
  3898. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3899. case LINK_10THD:
  3900. vars->duplex = DUPLEX_HALF;
  3901. /* fall thru */
  3902. case LINK_10TFD:
  3903. vars->line_speed = SPEED_10;
  3904. break;
  3905. case LINK_100TXHD:
  3906. vars->duplex = DUPLEX_HALF;
  3907. /* fall thru */
  3908. case LINK_100T4:
  3909. case LINK_100TXFD:
  3910. vars->line_speed = SPEED_100;
  3911. break;
  3912. case LINK_1000THD:
  3913. vars->duplex = DUPLEX_HALF;
  3914. /* fall thru */
  3915. case LINK_1000TFD:
  3916. vars->line_speed = SPEED_1000;
  3917. break;
  3918. case LINK_2500THD:
  3919. vars->duplex = DUPLEX_HALF;
  3920. /* fall thru */
  3921. case LINK_2500TFD:
  3922. vars->line_speed = SPEED_2500;
  3923. break;
  3924. case LINK_10GTFD:
  3925. vars->line_speed = SPEED_10000;
  3926. break;
  3927. case LINK_20GTFD:
  3928. vars->line_speed = SPEED_20000;
  3929. break;
  3930. default:
  3931. break;
  3932. }
  3933. vars->flow_ctrl = 0;
  3934. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3935. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3936. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3937. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3938. if (!vars->flow_ctrl)
  3939. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3940. if (vars->line_speed &&
  3941. ((vars->line_speed == SPEED_10) ||
  3942. (vars->line_speed == SPEED_100))) {
  3943. vars->phy_flags |= PHY_SGMII_FLAG;
  3944. } else {
  3945. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3946. }
  3947. if (vars->line_speed &&
  3948. USES_WARPCORE(bp) &&
  3949. (vars->line_speed == SPEED_1000))
  3950. vars->phy_flags |= PHY_SGMII_FLAG;
  3951. /* anything 10 and over uses the bmac */
  3952. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3953. if (link_10g_plus) {
  3954. if (USES_WARPCORE(bp))
  3955. vars->mac_type = MAC_TYPE_XMAC;
  3956. else
  3957. vars->mac_type = MAC_TYPE_BMAC;
  3958. } else {
  3959. if (USES_WARPCORE(bp))
  3960. vars->mac_type = MAC_TYPE_UMAC;
  3961. else
  3962. vars->mac_type = MAC_TYPE_EMAC;
  3963. }
  3964. } else { /* link down */
  3965. DP(NETIF_MSG_LINK, "phy link down\n");
  3966. vars->phy_link_up = 0;
  3967. vars->line_speed = 0;
  3968. vars->duplex = DUPLEX_FULL;
  3969. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3970. /* indicate no mac active */
  3971. vars->mac_type = MAC_TYPE_NONE;
  3972. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3973. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3974. }
  3975. /* Sync media type */
  3976. sync_offset = params->shmem_base +
  3977. offsetof(struct shmem_region,
  3978. dev_info.port_hw_config[port].media_type);
  3979. media_types = REG_RD(bp, sync_offset);
  3980. params->phy[INT_PHY].media_type =
  3981. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3982. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3983. params->phy[EXT_PHY1].media_type =
  3984. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3985. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3986. params->phy[EXT_PHY2].media_type =
  3987. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3988. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3989. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3990. /* Sync AEU offset */
  3991. sync_offset = params->shmem_base +
  3992. offsetof(struct shmem_region,
  3993. dev_info.port_hw_config[port].aeu_int_mask);
  3994. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3995. /* Sync PFC status */
  3996. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3997. params->feature_config_flags |=
  3998. FEATURE_CONFIG_PFC_ENABLED;
  3999. else
  4000. params->feature_config_flags &=
  4001. ~FEATURE_CONFIG_PFC_ENABLED;
  4002. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4003. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4004. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4005. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4006. }
  4007. static void bnx2x_set_master_ln(struct link_params *params,
  4008. struct bnx2x_phy *phy)
  4009. {
  4010. struct bnx2x *bp = params->bp;
  4011. u16 new_master_ln, ser_lane;
  4012. ser_lane = ((params->lane_config &
  4013. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4014. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4015. /* set the master_ln for AN */
  4016. CL22_RD_OVER_CL45(bp, phy,
  4017. MDIO_REG_BANK_XGXS_BLOCK2,
  4018. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4019. &new_master_ln);
  4020. CL22_WR_OVER_CL45(bp, phy,
  4021. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4022. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4023. (new_master_ln | ser_lane));
  4024. }
  4025. static int bnx2x_reset_unicore(struct link_params *params,
  4026. struct bnx2x_phy *phy,
  4027. u8 set_serdes)
  4028. {
  4029. struct bnx2x *bp = params->bp;
  4030. u16 mii_control;
  4031. u16 i;
  4032. CL22_RD_OVER_CL45(bp, phy,
  4033. MDIO_REG_BANK_COMBO_IEEE0,
  4034. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4035. /* reset the unicore */
  4036. CL22_WR_OVER_CL45(bp, phy,
  4037. MDIO_REG_BANK_COMBO_IEEE0,
  4038. MDIO_COMBO_IEEE0_MII_CONTROL,
  4039. (mii_control |
  4040. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4041. if (set_serdes)
  4042. bnx2x_set_serdes_access(bp, params->port);
  4043. /* wait for the reset to self clear */
  4044. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4045. udelay(5);
  4046. /* the reset erased the previous bank value */
  4047. CL22_RD_OVER_CL45(bp, phy,
  4048. MDIO_REG_BANK_COMBO_IEEE0,
  4049. MDIO_COMBO_IEEE0_MII_CONTROL,
  4050. &mii_control);
  4051. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4052. udelay(5);
  4053. return 0;
  4054. }
  4055. }
  4056. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4057. " Port %d\n",
  4058. params->port);
  4059. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4060. return -EINVAL;
  4061. }
  4062. static void bnx2x_set_swap_lanes(struct link_params *params,
  4063. struct bnx2x_phy *phy)
  4064. {
  4065. struct bnx2x *bp = params->bp;
  4066. /*
  4067. * Each two bits represents a lane number:
  4068. * No swap is 0123 => 0x1b no need to enable the swap
  4069. */
  4070. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  4071. ser_lane = ((params->lane_config &
  4072. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4073. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4074. rx_lane_swap = ((params->lane_config &
  4075. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4076. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4077. tx_lane_swap = ((params->lane_config &
  4078. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4079. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4080. if (rx_lane_swap != 0x1b) {
  4081. CL22_WR_OVER_CL45(bp, phy,
  4082. MDIO_REG_BANK_XGXS_BLOCK2,
  4083. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4084. (rx_lane_swap |
  4085. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4086. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4087. } else {
  4088. CL22_WR_OVER_CL45(bp, phy,
  4089. MDIO_REG_BANK_XGXS_BLOCK2,
  4090. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4091. }
  4092. if (tx_lane_swap != 0x1b) {
  4093. CL22_WR_OVER_CL45(bp, phy,
  4094. MDIO_REG_BANK_XGXS_BLOCK2,
  4095. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4096. (tx_lane_swap |
  4097. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4098. } else {
  4099. CL22_WR_OVER_CL45(bp, phy,
  4100. MDIO_REG_BANK_XGXS_BLOCK2,
  4101. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4102. }
  4103. }
  4104. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4105. struct link_params *params)
  4106. {
  4107. struct bnx2x *bp = params->bp;
  4108. u16 control2;
  4109. CL22_RD_OVER_CL45(bp, phy,
  4110. MDIO_REG_BANK_SERDES_DIGITAL,
  4111. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4112. &control2);
  4113. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4114. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4115. else
  4116. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4117. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4118. phy->speed_cap_mask, control2);
  4119. CL22_WR_OVER_CL45(bp, phy,
  4120. MDIO_REG_BANK_SERDES_DIGITAL,
  4121. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4122. control2);
  4123. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4124. (phy->speed_cap_mask &
  4125. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4126. DP(NETIF_MSG_LINK, "XGXS\n");
  4127. CL22_WR_OVER_CL45(bp, phy,
  4128. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4129. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4130. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4131. CL22_RD_OVER_CL45(bp, phy,
  4132. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4133. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4134. &control2);
  4135. control2 |=
  4136. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4137. CL22_WR_OVER_CL45(bp, phy,
  4138. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4139. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4140. control2);
  4141. /* Disable parallel detection of HiG */
  4142. CL22_WR_OVER_CL45(bp, phy,
  4143. MDIO_REG_BANK_XGXS_BLOCK2,
  4144. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4145. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4146. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4147. }
  4148. }
  4149. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4150. struct link_params *params,
  4151. struct link_vars *vars,
  4152. u8 enable_cl73)
  4153. {
  4154. struct bnx2x *bp = params->bp;
  4155. u16 reg_val;
  4156. /* CL37 Autoneg */
  4157. CL22_RD_OVER_CL45(bp, phy,
  4158. MDIO_REG_BANK_COMBO_IEEE0,
  4159. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4160. /* CL37 Autoneg Enabled */
  4161. if (vars->line_speed == SPEED_AUTO_NEG)
  4162. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4163. else /* CL37 Autoneg Disabled */
  4164. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4165. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4166. CL22_WR_OVER_CL45(bp, phy,
  4167. MDIO_REG_BANK_COMBO_IEEE0,
  4168. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4169. /* Enable/Disable Autodetection */
  4170. CL22_RD_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_SERDES_DIGITAL,
  4172. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4173. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4174. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4175. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4176. if (vars->line_speed == SPEED_AUTO_NEG)
  4177. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4178. else
  4179. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4180. CL22_WR_OVER_CL45(bp, phy,
  4181. MDIO_REG_BANK_SERDES_DIGITAL,
  4182. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4183. /* Enable TetonII and BAM autoneg */
  4184. CL22_RD_OVER_CL45(bp, phy,
  4185. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4186. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4187. &reg_val);
  4188. if (vars->line_speed == SPEED_AUTO_NEG) {
  4189. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4190. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4191. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4192. } else {
  4193. /* TetonII and BAM Autoneg Disabled */
  4194. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4195. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4196. }
  4197. CL22_WR_OVER_CL45(bp, phy,
  4198. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4199. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4200. reg_val);
  4201. if (enable_cl73) {
  4202. /* Enable Cl73 FSM status bits */
  4203. CL22_WR_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_CL73_USERB0,
  4205. MDIO_CL73_USERB0_CL73_UCTRL,
  4206. 0xe);
  4207. /* Enable BAM Station Manager*/
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_CL73_USERB0,
  4210. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4211. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4212. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4213. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4214. /* Advertise CL73 link speeds */
  4215. CL22_RD_OVER_CL45(bp, phy,
  4216. MDIO_REG_BANK_CL73_IEEEB1,
  4217. MDIO_CL73_IEEEB1_AN_ADV2,
  4218. &reg_val);
  4219. if (phy->speed_cap_mask &
  4220. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4221. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4222. if (phy->speed_cap_mask &
  4223. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4224. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4225. CL22_WR_OVER_CL45(bp, phy,
  4226. MDIO_REG_BANK_CL73_IEEEB1,
  4227. MDIO_CL73_IEEEB1_AN_ADV2,
  4228. reg_val);
  4229. /* CL73 Autoneg Enabled */
  4230. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4231. } else /* CL73 Autoneg Disabled */
  4232. reg_val = 0;
  4233. CL22_WR_OVER_CL45(bp, phy,
  4234. MDIO_REG_BANK_CL73_IEEEB0,
  4235. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4236. }
  4237. /* program SerDes, forced speed */
  4238. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4239. struct link_params *params,
  4240. struct link_vars *vars)
  4241. {
  4242. struct bnx2x *bp = params->bp;
  4243. u16 reg_val;
  4244. /* program duplex, disable autoneg and sgmii*/
  4245. CL22_RD_OVER_CL45(bp, phy,
  4246. MDIO_REG_BANK_COMBO_IEEE0,
  4247. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4248. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4249. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4250. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4251. if (phy->req_duplex == DUPLEX_FULL)
  4252. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4253. CL22_WR_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_COMBO_IEEE0,
  4255. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4256. /*
  4257. * program speed
  4258. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4259. */
  4260. CL22_RD_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_SERDES_DIGITAL,
  4262. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4263. /* clearing the speed value before setting the right speed */
  4264. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4265. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4266. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4267. if (!((vars->line_speed == SPEED_1000) ||
  4268. (vars->line_speed == SPEED_100) ||
  4269. (vars->line_speed == SPEED_10))) {
  4270. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4271. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4272. if (vars->line_speed == SPEED_10000)
  4273. reg_val |=
  4274. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4275. }
  4276. CL22_WR_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_SERDES_DIGITAL,
  4278. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4279. }
  4280. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4281. struct link_params *params)
  4282. {
  4283. struct bnx2x *bp = params->bp;
  4284. u16 val = 0;
  4285. /* configure the 48 bits for BAM AN */
  4286. /* set extended capabilities */
  4287. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4288. val |= MDIO_OVER_1G_UP1_2_5G;
  4289. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4290. val |= MDIO_OVER_1G_UP1_10G;
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_OVER_1G,
  4293. MDIO_OVER_1G_UP1, val);
  4294. CL22_WR_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_OVER_1G,
  4296. MDIO_OVER_1G_UP3, 0x400);
  4297. }
  4298. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4299. struct link_params *params,
  4300. u16 ieee_fc)
  4301. {
  4302. struct bnx2x *bp = params->bp;
  4303. u16 val;
  4304. /* for AN, we are always publishing full duplex */
  4305. CL22_WR_OVER_CL45(bp, phy,
  4306. MDIO_REG_BANK_COMBO_IEEE0,
  4307. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4308. CL22_RD_OVER_CL45(bp, phy,
  4309. MDIO_REG_BANK_CL73_IEEEB1,
  4310. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4311. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4312. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4313. CL22_WR_OVER_CL45(bp, phy,
  4314. MDIO_REG_BANK_CL73_IEEEB1,
  4315. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4316. }
  4317. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4318. struct link_params *params,
  4319. u8 enable_cl73)
  4320. {
  4321. struct bnx2x *bp = params->bp;
  4322. u16 mii_control;
  4323. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4324. /* Enable and restart BAM/CL37 aneg */
  4325. if (enable_cl73) {
  4326. CL22_RD_OVER_CL45(bp, phy,
  4327. MDIO_REG_BANK_CL73_IEEEB0,
  4328. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4329. &mii_control);
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_CL73_IEEEB0,
  4332. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4333. (mii_control |
  4334. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4335. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4336. } else {
  4337. CL22_RD_OVER_CL45(bp, phy,
  4338. MDIO_REG_BANK_COMBO_IEEE0,
  4339. MDIO_COMBO_IEEE0_MII_CONTROL,
  4340. &mii_control);
  4341. DP(NETIF_MSG_LINK,
  4342. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4343. mii_control);
  4344. CL22_WR_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_COMBO_IEEE0,
  4346. MDIO_COMBO_IEEE0_MII_CONTROL,
  4347. (mii_control |
  4348. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4349. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4350. }
  4351. }
  4352. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4353. struct link_params *params,
  4354. struct link_vars *vars)
  4355. {
  4356. struct bnx2x *bp = params->bp;
  4357. u16 control1;
  4358. /* in SGMII mode, the unicore is always slave */
  4359. CL22_RD_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_SERDES_DIGITAL,
  4361. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4362. &control1);
  4363. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4364. /* set sgmii mode (and not fiber) */
  4365. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4366. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4367. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4368. CL22_WR_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_SERDES_DIGITAL,
  4370. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4371. control1);
  4372. /* if forced speed */
  4373. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4374. /* set speed, disable autoneg */
  4375. u16 mii_control;
  4376. CL22_RD_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_COMBO_IEEE0,
  4378. MDIO_COMBO_IEEE0_MII_CONTROL,
  4379. &mii_control);
  4380. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4381. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4382. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4383. switch (vars->line_speed) {
  4384. case SPEED_100:
  4385. mii_control |=
  4386. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4387. break;
  4388. case SPEED_1000:
  4389. mii_control |=
  4390. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4391. break;
  4392. case SPEED_10:
  4393. /* there is nothing to set for 10M */
  4394. break;
  4395. default:
  4396. /* invalid speed for SGMII */
  4397. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4398. vars->line_speed);
  4399. break;
  4400. }
  4401. /* setting the full duplex */
  4402. if (phy->req_duplex == DUPLEX_FULL)
  4403. mii_control |=
  4404. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_COMBO_IEEE0,
  4407. MDIO_COMBO_IEEE0_MII_CONTROL,
  4408. mii_control);
  4409. } else { /* AN mode */
  4410. /* enable and restart AN */
  4411. bnx2x_restart_autoneg(phy, params, 0);
  4412. }
  4413. }
  4414. /*
  4415. * link management
  4416. */
  4417. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4418. struct link_params *params)
  4419. {
  4420. struct bnx2x *bp = params->bp;
  4421. u16 pd_10g, status2_1000x;
  4422. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4423. return 0;
  4424. CL22_RD_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_SERDES_DIGITAL,
  4426. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4427. &status2_1000x);
  4428. CL22_RD_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_SERDES_DIGITAL,
  4430. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4431. &status2_1000x);
  4432. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4433. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4434. params->port);
  4435. return 1;
  4436. }
  4437. CL22_RD_OVER_CL45(bp, phy,
  4438. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4439. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4440. &pd_10g);
  4441. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4442. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4443. params->port);
  4444. return 1;
  4445. }
  4446. return 0;
  4447. }
  4448. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4449. struct link_params *params,
  4450. struct link_vars *vars,
  4451. u32 gp_status)
  4452. {
  4453. struct bnx2x *bp = params->bp;
  4454. u16 ld_pause; /* local driver */
  4455. u16 lp_pause; /* link partner */
  4456. u16 pause_result;
  4457. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4458. /* resolve from gp_status in case of AN complete and not sgmii */
  4459. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4460. vars->flow_ctrl = phy->req_flow_ctrl;
  4461. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4462. vars->flow_ctrl = params->req_fc_auto_adv;
  4463. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4464. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4465. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4466. vars->flow_ctrl = params->req_fc_auto_adv;
  4467. return;
  4468. }
  4469. if ((gp_status &
  4470. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4471. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4472. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4473. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4474. CL22_RD_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_CL73_IEEEB1,
  4476. MDIO_CL73_IEEEB1_AN_ADV1,
  4477. &ld_pause);
  4478. CL22_RD_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB1,
  4480. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4481. &lp_pause);
  4482. pause_result = (ld_pause &
  4483. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4484. >> 8;
  4485. pause_result |= (lp_pause &
  4486. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4487. >> 10;
  4488. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4489. pause_result);
  4490. } else {
  4491. CL22_RD_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4494. &ld_pause);
  4495. CL22_RD_OVER_CL45(bp, phy,
  4496. MDIO_REG_BANK_COMBO_IEEE0,
  4497. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4498. &lp_pause);
  4499. pause_result = (ld_pause &
  4500. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4501. pause_result |= (lp_pause &
  4502. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4503. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4504. pause_result);
  4505. }
  4506. bnx2x_pause_resolve(vars, pause_result);
  4507. }
  4508. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4509. }
  4510. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4511. struct link_params *params)
  4512. {
  4513. struct bnx2x *bp = params->bp;
  4514. u16 rx_status, ustat_val, cl37_fsm_received;
  4515. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4516. /* Step 1: Make sure signal is detected */
  4517. CL22_RD_OVER_CL45(bp, phy,
  4518. MDIO_REG_BANK_RX0,
  4519. MDIO_RX0_RX_STATUS,
  4520. &rx_status);
  4521. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4522. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4523. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4524. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4525. CL22_WR_OVER_CL45(bp, phy,
  4526. MDIO_REG_BANK_CL73_IEEEB0,
  4527. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4528. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4529. return;
  4530. }
  4531. /* Step 2: Check CL73 state machine */
  4532. CL22_RD_OVER_CL45(bp, phy,
  4533. MDIO_REG_BANK_CL73_USERB0,
  4534. MDIO_CL73_USERB0_CL73_USTAT1,
  4535. &ustat_val);
  4536. if ((ustat_val &
  4537. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4538. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4539. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4540. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4541. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4542. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4543. return;
  4544. }
  4545. /*
  4546. * Step 3: Check CL37 Message Pages received to indicate LP
  4547. * supports only CL37
  4548. */
  4549. CL22_RD_OVER_CL45(bp, phy,
  4550. MDIO_REG_BANK_REMOTE_PHY,
  4551. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4552. &cl37_fsm_received);
  4553. if ((cl37_fsm_received &
  4554. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4555. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4556. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4557. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4558. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4559. "misc_rx_status(0x8330) = 0x%x\n",
  4560. cl37_fsm_received);
  4561. return;
  4562. }
  4563. /*
  4564. * The combined cl37/cl73 fsm state information indicating that
  4565. * we are connected to a device which does not support cl73, but
  4566. * does support cl37 BAM. In this case we disable cl73 and
  4567. * restart cl37 auto-neg
  4568. */
  4569. /* Disable CL73 */
  4570. CL22_WR_OVER_CL45(bp, phy,
  4571. MDIO_REG_BANK_CL73_IEEEB0,
  4572. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4573. 0);
  4574. /* Restart CL37 autoneg */
  4575. bnx2x_restart_autoneg(phy, params, 0);
  4576. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4577. }
  4578. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4579. struct link_params *params,
  4580. struct link_vars *vars,
  4581. u32 gp_status)
  4582. {
  4583. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4584. vars->link_status |=
  4585. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4586. if (bnx2x_direct_parallel_detect_used(phy, params))
  4587. vars->link_status |=
  4588. LINK_STATUS_PARALLEL_DETECTION_USED;
  4589. }
  4590. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4591. struct link_params *params,
  4592. struct link_vars *vars,
  4593. u16 is_link_up,
  4594. u16 speed_mask,
  4595. u16 is_duplex)
  4596. {
  4597. struct bnx2x *bp = params->bp;
  4598. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4599. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4600. if (is_link_up) {
  4601. DP(NETIF_MSG_LINK, "phy link up\n");
  4602. vars->phy_link_up = 1;
  4603. vars->link_status |= LINK_STATUS_LINK_UP;
  4604. switch (speed_mask) {
  4605. case GP_STATUS_10M:
  4606. vars->line_speed = SPEED_10;
  4607. if (vars->duplex == DUPLEX_FULL)
  4608. vars->link_status |= LINK_10TFD;
  4609. else
  4610. vars->link_status |= LINK_10THD;
  4611. break;
  4612. case GP_STATUS_100M:
  4613. vars->line_speed = SPEED_100;
  4614. if (vars->duplex == DUPLEX_FULL)
  4615. vars->link_status |= LINK_100TXFD;
  4616. else
  4617. vars->link_status |= LINK_100TXHD;
  4618. break;
  4619. case GP_STATUS_1G:
  4620. case GP_STATUS_1G_KX:
  4621. vars->line_speed = SPEED_1000;
  4622. if (vars->duplex == DUPLEX_FULL)
  4623. vars->link_status |= LINK_1000TFD;
  4624. else
  4625. vars->link_status |= LINK_1000THD;
  4626. break;
  4627. case GP_STATUS_2_5G:
  4628. vars->line_speed = SPEED_2500;
  4629. if (vars->duplex == DUPLEX_FULL)
  4630. vars->link_status |= LINK_2500TFD;
  4631. else
  4632. vars->link_status |= LINK_2500THD;
  4633. break;
  4634. case GP_STATUS_5G:
  4635. case GP_STATUS_6G:
  4636. DP(NETIF_MSG_LINK,
  4637. "link speed unsupported gp_status 0x%x\n",
  4638. speed_mask);
  4639. return -EINVAL;
  4640. case GP_STATUS_10G_KX4:
  4641. case GP_STATUS_10G_HIG:
  4642. case GP_STATUS_10G_CX4:
  4643. case GP_STATUS_10G_KR:
  4644. case GP_STATUS_10G_SFI:
  4645. case GP_STATUS_10G_XFI:
  4646. vars->line_speed = SPEED_10000;
  4647. vars->link_status |= LINK_10GTFD;
  4648. break;
  4649. case GP_STATUS_20G_DXGXS:
  4650. vars->line_speed = SPEED_20000;
  4651. vars->link_status |= LINK_20GTFD;
  4652. break;
  4653. default:
  4654. DP(NETIF_MSG_LINK,
  4655. "link speed unsupported gp_status 0x%x\n",
  4656. speed_mask);
  4657. return -EINVAL;
  4658. }
  4659. } else { /* link_down */
  4660. DP(NETIF_MSG_LINK, "phy link down\n");
  4661. vars->phy_link_up = 0;
  4662. vars->duplex = DUPLEX_FULL;
  4663. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4664. vars->mac_type = MAC_TYPE_NONE;
  4665. }
  4666. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4667. vars->phy_link_up, vars->line_speed);
  4668. return 0;
  4669. }
  4670. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4671. struct link_params *params,
  4672. struct link_vars *vars)
  4673. {
  4674. struct bnx2x *bp = params->bp;
  4675. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4676. int rc = 0;
  4677. /* Read gp_status */
  4678. CL22_RD_OVER_CL45(bp, phy,
  4679. MDIO_REG_BANK_GP_STATUS,
  4680. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4681. &gp_status);
  4682. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4683. duplex = DUPLEX_FULL;
  4684. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4685. link_up = 1;
  4686. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4687. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4688. gp_status, link_up, speed_mask);
  4689. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4690. duplex);
  4691. if (rc == -EINVAL)
  4692. return rc;
  4693. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4694. if (SINGLE_MEDIA_DIRECT(params)) {
  4695. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4696. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4697. bnx2x_xgxs_an_resolve(phy, params, vars,
  4698. gp_status);
  4699. }
  4700. } else { /* link_down */
  4701. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4702. SINGLE_MEDIA_DIRECT(params)) {
  4703. /* Check signal is detected */
  4704. bnx2x_check_fallback_to_cl37(phy, params);
  4705. }
  4706. }
  4707. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4708. vars->duplex, vars->flow_ctrl, vars->link_status);
  4709. return rc;
  4710. }
  4711. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4712. struct link_params *params,
  4713. struct link_vars *vars)
  4714. {
  4715. struct bnx2x *bp = params->bp;
  4716. u8 lane;
  4717. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4718. int rc = 0;
  4719. lane = bnx2x_get_warpcore_lane(phy, params);
  4720. /* Read gp_status */
  4721. if (phy->req_line_speed > SPEED_10000) {
  4722. u16 temp_link_up;
  4723. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4724. 1, &temp_link_up);
  4725. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4726. 1, &link_up);
  4727. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4728. temp_link_up, link_up);
  4729. link_up &= (1<<2);
  4730. if (link_up)
  4731. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4732. } else {
  4733. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4734. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4735. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4736. /* Check for either KR or generic link up. */
  4737. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4738. ((gp_status1 >> 12) & 0xf);
  4739. link_up = gp_status1 & (1 << lane);
  4740. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4741. u16 pd, gp_status4;
  4742. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4743. /* Check Autoneg complete */
  4744. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4745. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4746. &gp_status4);
  4747. if (gp_status4 & ((1<<12)<<lane))
  4748. vars->link_status |=
  4749. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4750. /* Check parallel detect used */
  4751. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4752. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4753. &pd);
  4754. if (pd & (1<<15))
  4755. vars->link_status |=
  4756. LINK_STATUS_PARALLEL_DETECTION_USED;
  4757. }
  4758. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4759. }
  4760. }
  4761. if (lane < 2) {
  4762. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4763. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4764. } else {
  4765. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4766. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4767. }
  4768. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4769. if ((lane & 1) == 0)
  4770. gp_speed <<= 8;
  4771. gp_speed &= 0x3f00;
  4772. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4773. duplex);
  4774. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4775. vars->duplex, vars->flow_ctrl, vars->link_status);
  4776. return rc;
  4777. }
  4778. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4779. {
  4780. struct bnx2x *bp = params->bp;
  4781. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4782. u16 lp_up2;
  4783. u16 tx_driver;
  4784. u16 bank;
  4785. /* read precomp */
  4786. CL22_RD_OVER_CL45(bp, phy,
  4787. MDIO_REG_BANK_OVER_1G,
  4788. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4789. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4790. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4791. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4792. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4793. if (lp_up2 == 0)
  4794. return;
  4795. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4796. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4797. CL22_RD_OVER_CL45(bp, phy,
  4798. bank,
  4799. MDIO_TX0_TX_DRIVER, &tx_driver);
  4800. /* replace tx_driver bits [15:12] */
  4801. if (lp_up2 !=
  4802. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4803. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4804. tx_driver |= lp_up2;
  4805. CL22_WR_OVER_CL45(bp, phy,
  4806. bank,
  4807. MDIO_TX0_TX_DRIVER, tx_driver);
  4808. }
  4809. }
  4810. }
  4811. static int bnx2x_emac_program(struct link_params *params,
  4812. struct link_vars *vars)
  4813. {
  4814. struct bnx2x *bp = params->bp;
  4815. u8 port = params->port;
  4816. u16 mode = 0;
  4817. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4818. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4819. EMAC_REG_EMAC_MODE,
  4820. (EMAC_MODE_25G_MODE |
  4821. EMAC_MODE_PORT_MII_10M |
  4822. EMAC_MODE_HALF_DUPLEX));
  4823. switch (vars->line_speed) {
  4824. case SPEED_10:
  4825. mode |= EMAC_MODE_PORT_MII_10M;
  4826. break;
  4827. case SPEED_100:
  4828. mode |= EMAC_MODE_PORT_MII;
  4829. break;
  4830. case SPEED_1000:
  4831. mode |= EMAC_MODE_PORT_GMII;
  4832. break;
  4833. case SPEED_2500:
  4834. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4835. break;
  4836. default:
  4837. /* 10G not valid for EMAC */
  4838. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4839. vars->line_speed);
  4840. return -EINVAL;
  4841. }
  4842. if (vars->duplex == DUPLEX_HALF)
  4843. mode |= EMAC_MODE_HALF_DUPLEX;
  4844. bnx2x_bits_en(bp,
  4845. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4846. mode);
  4847. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4848. return 0;
  4849. }
  4850. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4851. struct link_params *params)
  4852. {
  4853. u16 bank, i = 0;
  4854. struct bnx2x *bp = params->bp;
  4855. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4856. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4857. CL22_WR_OVER_CL45(bp, phy,
  4858. bank,
  4859. MDIO_RX0_RX_EQ_BOOST,
  4860. phy->rx_preemphasis[i]);
  4861. }
  4862. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4863. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4864. CL22_WR_OVER_CL45(bp, phy,
  4865. bank,
  4866. MDIO_TX0_TX_DRIVER,
  4867. phy->tx_preemphasis[i]);
  4868. }
  4869. }
  4870. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4871. struct link_params *params,
  4872. struct link_vars *vars)
  4873. {
  4874. struct bnx2x *bp = params->bp;
  4875. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4876. (params->loopback_mode == LOOPBACK_XGXS));
  4877. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4878. if (SINGLE_MEDIA_DIRECT(params) &&
  4879. (params->feature_config_flags &
  4880. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4881. bnx2x_set_preemphasis(phy, params);
  4882. /* forced speed requested? */
  4883. if (vars->line_speed != SPEED_AUTO_NEG ||
  4884. (SINGLE_MEDIA_DIRECT(params) &&
  4885. params->loopback_mode == LOOPBACK_EXT)) {
  4886. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4887. /* disable autoneg */
  4888. bnx2x_set_autoneg(phy, params, vars, 0);
  4889. /* program speed and duplex */
  4890. bnx2x_program_serdes(phy, params, vars);
  4891. } else { /* AN_mode */
  4892. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4893. /* AN enabled */
  4894. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4895. /* program duplex & pause advertisement (for aneg) */
  4896. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4897. vars->ieee_fc);
  4898. /* enable autoneg */
  4899. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4900. /* enable and restart AN */
  4901. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4902. }
  4903. } else { /* SGMII mode */
  4904. DP(NETIF_MSG_LINK, "SGMII\n");
  4905. bnx2x_initialize_sgmii_process(phy, params, vars);
  4906. }
  4907. }
  4908. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4909. struct link_params *params,
  4910. struct link_vars *vars)
  4911. {
  4912. int rc;
  4913. vars->phy_flags |= PHY_XGXS_FLAG;
  4914. if ((phy->req_line_speed &&
  4915. ((phy->req_line_speed == SPEED_100) ||
  4916. (phy->req_line_speed == SPEED_10))) ||
  4917. (!phy->req_line_speed &&
  4918. (phy->speed_cap_mask >=
  4919. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4920. (phy->speed_cap_mask <
  4921. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4922. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4923. vars->phy_flags |= PHY_SGMII_FLAG;
  4924. else
  4925. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4926. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4927. bnx2x_set_aer_mmd(params, phy);
  4928. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4929. bnx2x_set_master_ln(params, phy);
  4930. rc = bnx2x_reset_unicore(params, phy, 0);
  4931. /* reset the SerDes and wait for reset bit return low */
  4932. if (rc != 0)
  4933. return rc;
  4934. bnx2x_set_aer_mmd(params, phy);
  4935. /* setting the masterLn_def again after the reset */
  4936. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4937. bnx2x_set_master_ln(params, phy);
  4938. bnx2x_set_swap_lanes(params, phy);
  4939. }
  4940. return rc;
  4941. }
  4942. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4943. struct bnx2x_phy *phy,
  4944. struct link_params *params)
  4945. {
  4946. u16 cnt, ctrl;
  4947. /* Wait for soft reset to get cleared up to 1 sec */
  4948. for (cnt = 0; cnt < 1000; cnt++) {
  4949. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4950. bnx2x_cl22_read(bp, phy,
  4951. MDIO_PMA_REG_CTRL, &ctrl);
  4952. else
  4953. bnx2x_cl45_read(bp, phy,
  4954. MDIO_PMA_DEVAD,
  4955. MDIO_PMA_REG_CTRL, &ctrl);
  4956. if (!(ctrl & (1<<15)))
  4957. break;
  4958. msleep(1);
  4959. }
  4960. if (cnt == 1000)
  4961. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4962. " Port %d\n",
  4963. params->port);
  4964. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4965. return cnt;
  4966. }
  4967. static void bnx2x_link_int_enable(struct link_params *params)
  4968. {
  4969. u8 port = params->port;
  4970. u32 mask;
  4971. struct bnx2x *bp = params->bp;
  4972. /* Setting the status to report on link up for either XGXS or SerDes */
  4973. if (CHIP_IS_E3(bp)) {
  4974. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4975. if (!(SINGLE_MEDIA_DIRECT(params)))
  4976. mask |= NIG_MASK_MI_INT;
  4977. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4978. mask = (NIG_MASK_XGXS0_LINK10G |
  4979. NIG_MASK_XGXS0_LINK_STATUS);
  4980. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4981. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4982. params->phy[INT_PHY].type !=
  4983. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4984. mask |= NIG_MASK_MI_INT;
  4985. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4986. }
  4987. } else { /* SerDes */
  4988. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4989. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4990. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4991. params->phy[INT_PHY].type !=
  4992. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4993. mask |= NIG_MASK_MI_INT;
  4994. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4995. }
  4996. }
  4997. bnx2x_bits_en(bp,
  4998. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4999. mask);
  5000. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5001. (params->switch_cfg == SWITCH_CFG_10G),
  5002. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5003. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5004. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5005. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5006. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5007. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5008. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5009. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5010. }
  5011. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5012. u8 exp_mi_int)
  5013. {
  5014. u32 latch_status = 0;
  5015. /*
  5016. * Disable the MI INT ( external phy int ) by writing 1 to the
  5017. * status register. Link down indication is high-active-signal,
  5018. * so in this case we need to write the status to clear the XOR
  5019. */
  5020. /* Read Latched signals */
  5021. latch_status = REG_RD(bp,
  5022. NIG_REG_LATCH_STATUS_0 + port*8);
  5023. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5024. /* Handle only those with latched-signal=up.*/
  5025. if (exp_mi_int)
  5026. bnx2x_bits_en(bp,
  5027. NIG_REG_STATUS_INTERRUPT_PORT0
  5028. + port*4,
  5029. NIG_STATUS_EMAC0_MI_INT);
  5030. else
  5031. bnx2x_bits_dis(bp,
  5032. NIG_REG_STATUS_INTERRUPT_PORT0
  5033. + port*4,
  5034. NIG_STATUS_EMAC0_MI_INT);
  5035. if (latch_status & 1) {
  5036. /* For all latched-signal=up : Re-Arm Latch signals */
  5037. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5038. (latch_status & 0xfffe) | (latch_status & 1));
  5039. }
  5040. /* For all latched-signal=up,Write original_signal to status */
  5041. }
  5042. static void bnx2x_link_int_ack(struct link_params *params,
  5043. struct link_vars *vars, u8 is_10g_plus)
  5044. {
  5045. struct bnx2x *bp = params->bp;
  5046. u8 port = params->port;
  5047. u32 mask;
  5048. /*
  5049. * First reset all status we assume only one line will be
  5050. * change at a time
  5051. */
  5052. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5053. (NIG_STATUS_XGXS0_LINK10G |
  5054. NIG_STATUS_XGXS0_LINK_STATUS |
  5055. NIG_STATUS_SERDES0_LINK_STATUS));
  5056. if (vars->phy_link_up) {
  5057. if (USES_WARPCORE(bp))
  5058. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5059. else {
  5060. if (is_10g_plus)
  5061. mask = NIG_STATUS_XGXS0_LINK10G;
  5062. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5063. /*
  5064. * Disable the link interrupt by writing 1 to
  5065. * the relevant lane in the status register
  5066. */
  5067. u32 ser_lane =
  5068. ((params->lane_config &
  5069. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5070. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5071. mask = ((1 << ser_lane) <<
  5072. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5073. } else
  5074. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5075. }
  5076. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5077. mask);
  5078. bnx2x_bits_en(bp,
  5079. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5080. mask);
  5081. }
  5082. }
  5083. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5084. {
  5085. u8 *str_ptr = str;
  5086. u32 mask = 0xf0000000;
  5087. u8 shift = 8*4;
  5088. u8 digit;
  5089. u8 remove_leading_zeros = 1;
  5090. if (*len < 10) {
  5091. /* Need more than 10chars for this format */
  5092. *str_ptr = '\0';
  5093. (*len)--;
  5094. return -EINVAL;
  5095. }
  5096. while (shift > 0) {
  5097. shift -= 4;
  5098. digit = ((num & mask) >> shift);
  5099. if (digit == 0 && remove_leading_zeros) {
  5100. mask = mask >> 4;
  5101. continue;
  5102. } else if (digit < 0xa)
  5103. *str_ptr = digit + '0';
  5104. else
  5105. *str_ptr = digit - 0xa + 'a';
  5106. remove_leading_zeros = 0;
  5107. str_ptr++;
  5108. (*len)--;
  5109. mask = mask >> 4;
  5110. if (shift == 4*4) {
  5111. *str_ptr = '.';
  5112. str_ptr++;
  5113. (*len)--;
  5114. remove_leading_zeros = 1;
  5115. }
  5116. }
  5117. return 0;
  5118. }
  5119. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5120. {
  5121. str[0] = '\0';
  5122. (*len)--;
  5123. return 0;
  5124. }
  5125. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5126. u8 *version, u16 len)
  5127. {
  5128. struct bnx2x *bp;
  5129. u32 spirom_ver = 0;
  5130. int status = 0;
  5131. u8 *ver_p = version;
  5132. u16 remain_len = len;
  5133. if (version == NULL || params == NULL)
  5134. return -EINVAL;
  5135. bp = params->bp;
  5136. /* Extract first external phy*/
  5137. version[0] = '\0';
  5138. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5139. if (params->phy[EXT_PHY1].format_fw_ver) {
  5140. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5141. ver_p,
  5142. &remain_len);
  5143. ver_p += (len - remain_len);
  5144. }
  5145. if ((params->num_phys == MAX_PHYS) &&
  5146. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5147. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5148. if (params->phy[EXT_PHY2].format_fw_ver) {
  5149. *ver_p = '/';
  5150. ver_p++;
  5151. remain_len--;
  5152. status |= params->phy[EXT_PHY2].format_fw_ver(
  5153. spirom_ver,
  5154. ver_p,
  5155. &remain_len);
  5156. ver_p = version + (len - remain_len);
  5157. }
  5158. }
  5159. *ver_p = '\0';
  5160. return status;
  5161. }
  5162. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5163. struct link_params *params)
  5164. {
  5165. u8 port = params->port;
  5166. struct bnx2x *bp = params->bp;
  5167. if (phy->req_line_speed != SPEED_1000) {
  5168. u32 md_devad = 0;
  5169. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5170. if (!CHIP_IS_E3(bp)) {
  5171. /* change the uni_phy_addr in the nig */
  5172. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5173. port*0x18));
  5174. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5175. 0x5);
  5176. }
  5177. bnx2x_cl45_write(bp, phy,
  5178. 5,
  5179. (MDIO_REG_BANK_AER_BLOCK +
  5180. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5181. 0x2800);
  5182. bnx2x_cl45_write(bp, phy,
  5183. 5,
  5184. (MDIO_REG_BANK_CL73_IEEEB0 +
  5185. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5186. 0x6041);
  5187. msleep(200);
  5188. /* set aer mmd back */
  5189. bnx2x_set_aer_mmd(params, phy);
  5190. if (!CHIP_IS_E3(bp)) {
  5191. /* and md_devad */
  5192. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5193. md_devad);
  5194. }
  5195. } else {
  5196. u16 mii_ctrl;
  5197. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5198. bnx2x_cl45_read(bp, phy, 5,
  5199. (MDIO_REG_BANK_COMBO_IEEE0 +
  5200. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5201. &mii_ctrl);
  5202. bnx2x_cl45_write(bp, phy, 5,
  5203. (MDIO_REG_BANK_COMBO_IEEE0 +
  5204. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5205. mii_ctrl |
  5206. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5207. }
  5208. }
  5209. int bnx2x_set_led(struct link_params *params,
  5210. struct link_vars *vars, u8 mode, u32 speed)
  5211. {
  5212. u8 port = params->port;
  5213. u16 hw_led_mode = params->hw_led_mode;
  5214. int rc = 0;
  5215. u8 phy_idx;
  5216. u32 tmp;
  5217. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5218. struct bnx2x *bp = params->bp;
  5219. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5220. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5221. speed, hw_led_mode);
  5222. /* In case */
  5223. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5224. if (params->phy[phy_idx].set_link_led) {
  5225. params->phy[phy_idx].set_link_led(
  5226. &params->phy[phy_idx], params, mode);
  5227. }
  5228. }
  5229. switch (mode) {
  5230. case LED_MODE_FRONT_PANEL_OFF:
  5231. case LED_MODE_OFF:
  5232. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5233. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5234. SHARED_HW_CFG_LED_MAC1);
  5235. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5236. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5237. break;
  5238. case LED_MODE_OPER:
  5239. /*
  5240. * For all other phys, OPER mode is same as ON, so in case
  5241. * link is down, do nothing
  5242. */
  5243. if (!vars->link_up)
  5244. break;
  5245. case LED_MODE_ON:
  5246. if (((params->phy[EXT_PHY1].type ==
  5247. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5248. (params->phy[EXT_PHY1].type ==
  5249. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5250. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5251. /*
  5252. * This is a work-around for E2+8727 Configurations
  5253. */
  5254. if (mode == LED_MODE_ON ||
  5255. speed == SPEED_10000){
  5256. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5257. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5258. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5259. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5260. (tmp | EMAC_LED_OVERRIDE));
  5261. /*
  5262. * return here without enabling traffic
  5263. * LED blink and setting rate in ON mode.
  5264. * In oper mode, enabling LED blink
  5265. * and setting rate is needed.
  5266. */
  5267. if (mode == LED_MODE_ON)
  5268. return rc;
  5269. }
  5270. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5271. /*
  5272. * This is a work-around for HW issue found when link
  5273. * is up in CL73
  5274. */
  5275. if ((!CHIP_IS_E3(bp)) ||
  5276. (CHIP_IS_E3(bp) &&
  5277. mode == LED_MODE_ON))
  5278. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5279. if (CHIP_IS_E1x(bp) ||
  5280. CHIP_IS_E2(bp) ||
  5281. (mode == LED_MODE_ON))
  5282. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5283. else
  5284. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5285. hw_led_mode);
  5286. } else
  5287. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5288. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5289. /* Set blinking rate to ~15.9Hz */
  5290. if (CHIP_IS_E3(bp))
  5291. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5292. LED_BLINK_RATE_VAL_E3);
  5293. else
  5294. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5295. LED_BLINK_RATE_VAL_E1X_E2);
  5296. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5297. port*4, 1);
  5298. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5299. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5300. if (CHIP_IS_E1(bp) &&
  5301. ((speed == SPEED_2500) ||
  5302. (speed == SPEED_1000) ||
  5303. (speed == SPEED_100) ||
  5304. (speed == SPEED_10))) {
  5305. /*
  5306. * On Everest 1 Ax chip versions for speeds less than
  5307. * 10G LED scheme is different
  5308. */
  5309. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5310. + port*4, 1);
  5311. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5312. port*4, 0);
  5313. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5314. port*4, 1);
  5315. }
  5316. break;
  5317. default:
  5318. rc = -EINVAL;
  5319. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5320. mode);
  5321. break;
  5322. }
  5323. return rc;
  5324. }
  5325. /*
  5326. * This function comes to reflect the actual link state read DIRECTLY from the
  5327. * HW
  5328. */
  5329. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5330. u8 is_serdes)
  5331. {
  5332. struct bnx2x *bp = params->bp;
  5333. u16 gp_status = 0, phy_index = 0;
  5334. u8 ext_phy_link_up = 0, serdes_phy_type;
  5335. struct link_vars temp_vars;
  5336. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5337. if (CHIP_IS_E3(bp)) {
  5338. u16 link_up;
  5339. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5340. > SPEED_10000) {
  5341. /* Check 20G link */
  5342. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5343. 1, &link_up);
  5344. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5345. 1, &link_up);
  5346. link_up &= (1<<2);
  5347. } else {
  5348. /* Check 10G link and below*/
  5349. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5350. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5351. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5352. &gp_status);
  5353. gp_status = ((gp_status >> 8) & 0xf) |
  5354. ((gp_status >> 12) & 0xf);
  5355. link_up = gp_status & (1 << lane);
  5356. }
  5357. if (!link_up)
  5358. return -ESRCH;
  5359. } else {
  5360. CL22_RD_OVER_CL45(bp, int_phy,
  5361. MDIO_REG_BANK_GP_STATUS,
  5362. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5363. &gp_status);
  5364. /* link is up only if both local phy and external phy are up */
  5365. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5366. return -ESRCH;
  5367. }
  5368. /* In XGXS loopback mode, do not check external PHY */
  5369. if (params->loopback_mode == LOOPBACK_XGXS)
  5370. return 0;
  5371. switch (params->num_phys) {
  5372. case 1:
  5373. /* No external PHY */
  5374. return 0;
  5375. case 2:
  5376. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5377. &params->phy[EXT_PHY1],
  5378. params, &temp_vars);
  5379. break;
  5380. case 3: /* Dual Media */
  5381. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5382. phy_index++) {
  5383. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5384. ETH_PHY_SFP_FIBER) ||
  5385. (params->phy[phy_index].media_type ==
  5386. ETH_PHY_XFP_FIBER) ||
  5387. (params->phy[phy_index].media_type ==
  5388. ETH_PHY_DA_TWINAX));
  5389. if (is_serdes != serdes_phy_type)
  5390. continue;
  5391. if (params->phy[phy_index].read_status) {
  5392. ext_phy_link_up |=
  5393. params->phy[phy_index].read_status(
  5394. &params->phy[phy_index],
  5395. params, &temp_vars);
  5396. }
  5397. }
  5398. break;
  5399. }
  5400. if (ext_phy_link_up)
  5401. return 0;
  5402. return -ESRCH;
  5403. }
  5404. static int bnx2x_link_initialize(struct link_params *params,
  5405. struct link_vars *vars)
  5406. {
  5407. int rc = 0;
  5408. u8 phy_index, non_ext_phy;
  5409. struct bnx2x *bp = params->bp;
  5410. /*
  5411. * In case of external phy existence, the line speed would be the
  5412. * line speed linked up by the external phy. In case it is direct
  5413. * only, then the line_speed during initialization will be
  5414. * equal to the req_line_speed
  5415. */
  5416. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5417. /*
  5418. * Initialize the internal phy in case this is a direct board
  5419. * (no external phys), or this board has external phy which requires
  5420. * to first.
  5421. */
  5422. if (!USES_WARPCORE(bp))
  5423. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5424. /* init ext phy and enable link state int */
  5425. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5426. (params->loopback_mode == LOOPBACK_XGXS));
  5427. if (non_ext_phy ||
  5428. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5429. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5430. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5431. if (vars->line_speed == SPEED_AUTO_NEG &&
  5432. (CHIP_IS_E1x(bp) ||
  5433. CHIP_IS_E2(bp)))
  5434. bnx2x_set_parallel_detection(phy, params);
  5435. if (params->phy[INT_PHY].config_init)
  5436. params->phy[INT_PHY].config_init(phy,
  5437. params,
  5438. vars);
  5439. }
  5440. /* Init external phy*/
  5441. if (non_ext_phy) {
  5442. if (params->phy[INT_PHY].supported &
  5443. SUPPORTED_FIBRE)
  5444. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5445. } else {
  5446. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5447. phy_index++) {
  5448. /*
  5449. * No need to initialize second phy in case of first
  5450. * phy only selection. In case of second phy, we do
  5451. * need to initialize the first phy, since they are
  5452. * connected.
  5453. */
  5454. if (params->phy[phy_index].supported &
  5455. SUPPORTED_FIBRE)
  5456. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5457. if (phy_index == EXT_PHY2 &&
  5458. (bnx2x_phy_selection(params) ==
  5459. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5460. DP(NETIF_MSG_LINK,
  5461. "Not initializing second phy\n");
  5462. continue;
  5463. }
  5464. params->phy[phy_index].config_init(
  5465. &params->phy[phy_index],
  5466. params, vars);
  5467. }
  5468. }
  5469. /* Reset the interrupt indication after phy was initialized */
  5470. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5471. params->port*4,
  5472. (NIG_STATUS_XGXS0_LINK10G |
  5473. NIG_STATUS_XGXS0_LINK_STATUS |
  5474. NIG_STATUS_SERDES0_LINK_STATUS |
  5475. NIG_MASK_MI_INT));
  5476. bnx2x_update_mng(params, vars->link_status);
  5477. return rc;
  5478. }
  5479. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5480. struct link_params *params)
  5481. {
  5482. /* reset the SerDes/XGXS */
  5483. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5484. (0x1ff << (params->port*16)));
  5485. }
  5486. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5487. struct link_params *params)
  5488. {
  5489. struct bnx2x *bp = params->bp;
  5490. u8 gpio_port;
  5491. /* HW reset */
  5492. if (CHIP_IS_E2(bp))
  5493. gpio_port = BP_PATH(bp);
  5494. else
  5495. gpio_port = params->port;
  5496. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5497. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5498. gpio_port);
  5499. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5500. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5501. gpio_port);
  5502. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5503. }
  5504. static int bnx2x_update_link_down(struct link_params *params,
  5505. struct link_vars *vars)
  5506. {
  5507. struct bnx2x *bp = params->bp;
  5508. u8 port = params->port;
  5509. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5510. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5511. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5512. /* indicate no mac active */
  5513. vars->mac_type = MAC_TYPE_NONE;
  5514. /* update shared memory */
  5515. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5516. LINK_STATUS_LINK_UP |
  5517. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5518. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5519. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5520. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5521. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5522. vars->line_speed = 0;
  5523. bnx2x_update_mng(params, vars->link_status);
  5524. /* activate nig drain */
  5525. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5526. /* disable emac */
  5527. if (!CHIP_IS_E3(bp))
  5528. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5529. msleep(10);
  5530. /* reset BigMac/Xmac */
  5531. if (CHIP_IS_E1x(bp) ||
  5532. CHIP_IS_E2(bp)) {
  5533. bnx2x_bmac_rx_disable(bp, params->port);
  5534. REG_WR(bp, GRCBASE_MISC +
  5535. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5536. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5537. }
  5538. if (CHIP_IS_E3(bp)) {
  5539. bnx2x_xmac_disable(params);
  5540. bnx2x_umac_disable(params);
  5541. }
  5542. return 0;
  5543. }
  5544. static int bnx2x_update_link_up(struct link_params *params,
  5545. struct link_vars *vars,
  5546. u8 link_10g)
  5547. {
  5548. struct bnx2x *bp = params->bp;
  5549. u8 port = params->port;
  5550. int rc = 0;
  5551. vars->link_status |= (LINK_STATUS_LINK_UP |
  5552. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5553. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5554. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5555. vars->link_status |=
  5556. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5557. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5558. vars->link_status |=
  5559. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5560. if (USES_WARPCORE(bp)) {
  5561. if (link_10g) {
  5562. if (bnx2x_xmac_enable(params, vars, 0) ==
  5563. -ESRCH) {
  5564. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5565. vars->link_up = 0;
  5566. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5567. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5568. }
  5569. } else
  5570. bnx2x_umac_enable(params, vars, 0);
  5571. bnx2x_set_led(params, vars,
  5572. LED_MODE_OPER, vars->line_speed);
  5573. }
  5574. if ((CHIP_IS_E1x(bp) ||
  5575. CHIP_IS_E2(bp))) {
  5576. if (link_10g) {
  5577. if (bnx2x_bmac_enable(params, vars, 0) ==
  5578. -ESRCH) {
  5579. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5580. vars->link_up = 0;
  5581. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5582. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5583. }
  5584. bnx2x_set_led(params, vars,
  5585. LED_MODE_OPER, SPEED_10000);
  5586. } else {
  5587. rc = bnx2x_emac_program(params, vars);
  5588. bnx2x_emac_enable(params, vars, 0);
  5589. /* AN complete? */
  5590. if ((vars->link_status &
  5591. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5592. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5593. SINGLE_MEDIA_DIRECT(params))
  5594. bnx2x_set_gmii_tx_driver(params);
  5595. }
  5596. }
  5597. /* PBF - link up */
  5598. if (CHIP_IS_E1x(bp))
  5599. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5600. vars->line_speed);
  5601. /* disable drain */
  5602. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5603. /* update shared memory */
  5604. bnx2x_update_mng(params, vars->link_status);
  5605. msleep(20);
  5606. return rc;
  5607. }
  5608. /*
  5609. * The bnx2x_link_update function should be called upon link
  5610. * interrupt.
  5611. * Link is considered up as follows:
  5612. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5613. * to be up
  5614. * - SINGLE_MEDIA - The link between the 577xx and the external
  5615. * phy (XGXS) need to up as well as the external link of the
  5616. * phy (PHY_EXT1)
  5617. * - DUAL_MEDIA - The link between the 577xx and the first
  5618. * external phy needs to be up, and at least one of the 2
  5619. * external phy link must be up.
  5620. */
  5621. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5622. {
  5623. struct bnx2x *bp = params->bp;
  5624. struct link_vars phy_vars[MAX_PHYS];
  5625. u8 port = params->port;
  5626. u8 link_10g_plus, phy_index;
  5627. u8 ext_phy_link_up = 0, cur_link_up;
  5628. int rc = 0;
  5629. u8 is_mi_int = 0;
  5630. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5631. u8 active_external_phy = INT_PHY;
  5632. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5633. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5634. phy_index++) {
  5635. phy_vars[phy_index].flow_ctrl = 0;
  5636. phy_vars[phy_index].link_status = 0;
  5637. phy_vars[phy_index].line_speed = 0;
  5638. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5639. phy_vars[phy_index].phy_link_up = 0;
  5640. phy_vars[phy_index].link_up = 0;
  5641. phy_vars[phy_index].fault_detected = 0;
  5642. }
  5643. if (USES_WARPCORE(bp))
  5644. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5645. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5646. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5647. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5648. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5649. port*0x18) > 0);
  5650. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5651. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5652. is_mi_int,
  5653. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5654. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5655. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5656. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5657. /* disable emac */
  5658. if (!CHIP_IS_E3(bp))
  5659. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5660. /*
  5661. * Step 1:
  5662. * Check external link change only for external phys, and apply
  5663. * priority selection between them in case the link on both phys
  5664. * is up. Note that instead of the common vars, a temporary
  5665. * vars argument is used since each phy may have different link/
  5666. * speed/duplex result
  5667. */
  5668. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5669. phy_index++) {
  5670. struct bnx2x_phy *phy = &params->phy[phy_index];
  5671. if (!phy->read_status)
  5672. continue;
  5673. /* Read link status and params of this ext phy */
  5674. cur_link_up = phy->read_status(phy, params,
  5675. &phy_vars[phy_index]);
  5676. if (cur_link_up) {
  5677. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5678. phy_index);
  5679. } else {
  5680. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5681. phy_index);
  5682. continue;
  5683. }
  5684. if (!ext_phy_link_up) {
  5685. ext_phy_link_up = 1;
  5686. active_external_phy = phy_index;
  5687. } else {
  5688. switch (bnx2x_phy_selection(params)) {
  5689. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5690. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5691. /*
  5692. * In this option, the first PHY makes sure to pass the
  5693. * traffic through itself only.
  5694. * Its not clear how to reset the link on the second phy
  5695. */
  5696. active_external_phy = EXT_PHY1;
  5697. break;
  5698. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5699. /*
  5700. * In this option, the first PHY makes sure to pass the
  5701. * traffic through the second PHY.
  5702. */
  5703. active_external_phy = EXT_PHY2;
  5704. break;
  5705. default:
  5706. /*
  5707. * Link indication on both PHYs with the following cases
  5708. * is invalid:
  5709. * - FIRST_PHY means that second phy wasn't initialized,
  5710. * hence its link is expected to be down
  5711. * - SECOND_PHY means that first phy should not be able
  5712. * to link up by itself (using configuration)
  5713. * - DEFAULT should be overriden during initialiazation
  5714. */
  5715. DP(NETIF_MSG_LINK, "Invalid link indication"
  5716. "mpc=0x%x. DISABLING LINK !!!\n",
  5717. params->multi_phy_config);
  5718. ext_phy_link_up = 0;
  5719. break;
  5720. }
  5721. }
  5722. }
  5723. prev_line_speed = vars->line_speed;
  5724. /*
  5725. * Step 2:
  5726. * Read the status of the internal phy. In case of
  5727. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5728. * otherwise this is the link between the 577xx and the first
  5729. * external phy
  5730. */
  5731. if (params->phy[INT_PHY].read_status)
  5732. params->phy[INT_PHY].read_status(
  5733. &params->phy[INT_PHY],
  5734. params, vars);
  5735. /*
  5736. * The INT_PHY flow control reside in the vars. This include the
  5737. * case where the speed or flow control are not set to AUTO.
  5738. * Otherwise, the active external phy flow control result is set
  5739. * to the vars. The ext_phy_line_speed is needed to check if the
  5740. * speed is different between the internal phy and external phy.
  5741. * This case may be result of intermediate link speed change.
  5742. */
  5743. if (active_external_phy > INT_PHY) {
  5744. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5745. /*
  5746. * Link speed is taken from the XGXS. AN and FC result from
  5747. * the external phy.
  5748. */
  5749. vars->link_status |= phy_vars[active_external_phy].link_status;
  5750. /*
  5751. * if active_external_phy is first PHY and link is up - disable
  5752. * disable TX on second external PHY
  5753. */
  5754. if (active_external_phy == EXT_PHY1) {
  5755. if (params->phy[EXT_PHY2].phy_specific_func) {
  5756. DP(NETIF_MSG_LINK,
  5757. "Disabling TX on EXT_PHY2\n");
  5758. params->phy[EXT_PHY2].phy_specific_func(
  5759. &params->phy[EXT_PHY2],
  5760. params, DISABLE_TX);
  5761. }
  5762. }
  5763. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5764. vars->duplex = phy_vars[active_external_phy].duplex;
  5765. if (params->phy[active_external_phy].supported &
  5766. SUPPORTED_FIBRE)
  5767. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5768. else
  5769. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5770. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5771. active_external_phy);
  5772. }
  5773. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5774. phy_index++) {
  5775. if (params->phy[phy_index].flags &
  5776. FLAGS_REARM_LATCH_SIGNAL) {
  5777. bnx2x_rearm_latch_signal(bp, port,
  5778. phy_index ==
  5779. active_external_phy);
  5780. break;
  5781. }
  5782. }
  5783. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5784. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5785. vars->link_status, ext_phy_line_speed);
  5786. /*
  5787. * Upon link speed change set the NIG into drain mode. Comes to
  5788. * deals with possible FIFO glitch due to clk change when speed
  5789. * is decreased without link down indicator
  5790. */
  5791. if (vars->phy_link_up) {
  5792. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5793. (ext_phy_line_speed != vars->line_speed)) {
  5794. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5795. " different than the external"
  5796. " link speed %d\n", vars->line_speed,
  5797. ext_phy_line_speed);
  5798. vars->phy_link_up = 0;
  5799. } else if (prev_line_speed != vars->line_speed) {
  5800. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5801. 0);
  5802. msleep(1);
  5803. }
  5804. }
  5805. /* anything 10 and over uses the bmac */
  5806. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5807. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5808. /*
  5809. * In case external phy link is up, and internal link is down
  5810. * (not initialized yet probably after link initialization, it
  5811. * needs to be initialized.
  5812. * Note that after link down-up as result of cable plug, the xgxs
  5813. * link would probably become up again without the need
  5814. * initialize it
  5815. */
  5816. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5817. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5818. " init_preceding = %d\n", ext_phy_link_up,
  5819. vars->phy_link_up,
  5820. params->phy[EXT_PHY1].flags &
  5821. FLAGS_INIT_XGXS_FIRST);
  5822. if (!(params->phy[EXT_PHY1].flags &
  5823. FLAGS_INIT_XGXS_FIRST)
  5824. && ext_phy_link_up && !vars->phy_link_up) {
  5825. vars->line_speed = ext_phy_line_speed;
  5826. if (vars->line_speed < SPEED_1000)
  5827. vars->phy_flags |= PHY_SGMII_FLAG;
  5828. else
  5829. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5830. if (params->phy[INT_PHY].config_init)
  5831. params->phy[INT_PHY].config_init(
  5832. &params->phy[INT_PHY], params,
  5833. vars);
  5834. }
  5835. }
  5836. /*
  5837. * Link is up only if both local phy and external phy (in case of
  5838. * non-direct board) are up and no fault detected on active PHY.
  5839. */
  5840. vars->link_up = (vars->phy_link_up &&
  5841. (ext_phy_link_up ||
  5842. SINGLE_MEDIA_DIRECT(params)) &&
  5843. (phy_vars[active_external_phy].fault_detected == 0));
  5844. if (vars->link_up)
  5845. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5846. else
  5847. rc = bnx2x_update_link_down(params, vars);
  5848. return rc;
  5849. }
  5850. /*****************************************************************************/
  5851. /* External Phy section */
  5852. /*****************************************************************************/
  5853. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5854. {
  5855. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5856. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5857. msleep(1);
  5858. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5859. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5860. }
  5861. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5862. u32 spirom_ver, u32 ver_addr)
  5863. {
  5864. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5865. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5866. if (ver_addr)
  5867. REG_WR(bp, ver_addr, spirom_ver);
  5868. }
  5869. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5870. struct bnx2x_phy *phy,
  5871. u8 port)
  5872. {
  5873. u16 fw_ver1, fw_ver2;
  5874. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5875. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5876. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5877. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5878. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5879. phy->ver_addr);
  5880. }
  5881. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5882. struct bnx2x_phy *phy,
  5883. struct link_vars *vars)
  5884. {
  5885. u16 val;
  5886. bnx2x_cl45_read(bp, phy,
  5887. MDIO_AN_DEVAD,
  5888. MDIO_AN_REG_STATUS, &val);
  5889. bnx2x_cl45_read(bp, phy,
  5890. MDIO_AN_DEVAD,
  5891. MDIO_AN_REG_STATUS, &val);
  5892. if (val & (1<<5))
  5893. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5894. if ((val & (1<<0)) == 0)
  5895. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5896. }
  5897. /******************************************************************/
  5898. /* common BCM8073/BCM8727 PHY SECTION */
  5899. /******************************************************************/
  5900. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5901. struct link_params *params,
  5902. struct link_vars *vars)
  5903. {
  5904. struct bnx2x *bp = params->bp;
  5905. if (phy->req_line_speed == SPEED_10 ||
  5906. phy->req_line_speed == SPEED_100) {
  5907. vars->flow_ctrl = phy->req_flow_ctrl;
  5908. return;
  5909. }
  5910. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5911. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5912. u16 pause_result;
  5913. u16 ld_pause; /* local */
  5914. u16 lp_pause; /* link partner */
  5915. bnx2x_cl45_read(bp, phy,
  5916. MDIO_AN_DEVAD,
  5917. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5918. bnx2x_cl45_read(bp, phy,
  5919. MDIO_AN_DEVAD,
  5920. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5921. pause_result = (ld_pause &
  5922. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5923. pause_result |= (lp_pause &
  5924. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5925. bnx2x_pause_resolve(vars, pause_result);
  5926. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5927. pause_result);
  5928. }
  5929. }
  5930. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5931. struct bnx2x_phy *phy,
  5932. u8 port)
  5933. {
  5934. u32 count = 0;
  5935. u16 fw_ver1, fw_msgout;
  5936. int rc = 0;
  5937. /* Boot port from external ROM */
  5938. /* EDC grst */
  5939. bnx2x_cl45_write(bp, phy,
  5940. MDIO_PMA_DEVAD,
  5941. MDIO_PMA_REG_GEN_CTRL,
  5942. 0x0001);
  5943. /* ucode reboot and rst */
  5944. bnx2x_cl45_write(bp, phy,
  5945. MDIO_PMA_DEVAD,
  5946. MDIO_PMA_REG_GEN_CTRL,
  5947. 0x008c);
  5948. bnx2x_cl45_write(bp, phy,
  5949. MDIO_PMA_DEVAD,
  5950. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5951. /* Reset internal microprocessor */
  5952. bnx2x_cl45_write(bp, phy,
  5953. MDIO_PMA_DEVAD,
  5954. MDIO_PMA_REG_GEN_CTRL,
  5955. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5956. /* Release srst bit */
  5957. bnx2x_cl45_write(bp, phy,
  5958. MDIO_PMA_DEVAD,
  5959. MDIO_PMA_REG_GEN_CTRL,
  5960. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5961. /* Delay 100ms per the PHY specifications */
  5962. msleep(100);
  5963. /* 8073 sometimes taking longer to download */
  5964. do {
  5965. count++;
  5966. if (count > 300) {
  5967. DP(NETIF_MSG_LINK,
  5968. "bnx2x_8073_8727_external_rom_boot port %x:"
  5969. "Download failed. fw version = 0x%x\n",
  5970. port, fw_ver1);
  5971. rc = -EINVAL;
  5972. break;
  5973. }
  5974. bnx2x_cl45_read(bp, phy,
  5975. MDIO_PMA_DEVAD,
  5976. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5977. bnx2x_cl45_read(bp, phy,
  5978. MDIO_PMA_DEVAD,
  5979. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5980. msleep(1);
  5981. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5982. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5983. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5984. /* Clear ser_boot_ctl bit */
  5985. bnx2x_cl45_write(bp, phy,
  5986. MDIO_PMA_DEVAD,
  5987. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5988. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5989. DP(NETIF_MSG_LINK,
  5990. "bnx2x_8073_8727_external_rom_boot port %x:"
  5991. "Download complete. fw version = 0x%x\n",
  5992. port, fw_ver1);
  5993. return rc;
  5994. }
  5995. /******************************************************************/
  5996. /* BCM8073 PHY SECTION */
  5997. /******************************************************************/
  5998. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5999. {
  6000. /* This is only required for 8073A1, version 102 only */
  6001. u16 val;
  6002. /* Read 8073 HW revision*/
  6003. bnx2x_cl45_read(bp, phy,
  6004. MDIO_PMA_DEVAD,
  6005. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6006. if (val != 1) {
  6007. /* No need to workaround in 8073 A1 */
  6008. return 0;
  6009. }
  6010. bnx2x_cl45_read(bp, phy,
  6011. MDIO_PMA_DEVAD,
  6012. MDIO_PMA_REG_ROM_VER2, &val);
  6013. /* SNR should be applied only for version 0x102 */
  6014. if (val != 0x102)
  6015. return 0;
  6016. return 1;
  6017. }
  6018. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6019. {
  6020. u16 val, cnt, cnt1 ;
  6021. bnx2x_cl45_read(bp, phy,
  6022. MDIO_PMA_DEVAD,
  6023. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6024. if (val > 0) {
  6025. /* No need to workaround in 8073 A1 */
  6026. return 0;
  6027. }
  6028. /* XAUI workaround in 8073 A0: */
  6029. /*
  6030. * After loading the boot ROM and restarting Autoneg, poll
  6031. * Dev1, Reg $C820:
  6032. */
  6033. for (cnt = 0; cnt < 1000; cnt++) {
  6034. bnx2x_cl45_read(bp, phy,
  6035. MDIO_PMA_DEVAD,
  6036. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6037. &val);
  6038. /*
  6039. * If bit [14] = 0 or bit [13] = 0, continue on with
  6040. * system initialization (XAUI work-around not required, as
  6041. * these bits indicate 2.5G or 1G link up).
  6042. */
  6043. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6044. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6045. return 0;
  6046. } else if (!(val & (1<<15))) {
  6047. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6048. /*
  6049. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6050. * MSB (bit15) goes to 1 (indicating that the XAUI
  6051. * workaround has completed), then continue on with
  6052. * system initialization.
  6053. */
  6054. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6055. bnx2x_cl45_read(bp, phy,
  6056. MDIO_PMA_DEVAD,
  6057. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6058. if (val & (1<<15)) {
  6059. DP(NETIF_MSG_LINK,
  6060. "XAUI workaround has completed\n");
  6061. return 0;
  6062. }
  6063. msleep(3);
  6064. }
  6065. break;
  6066. }
  6067. msleep(3);
  6068. }
  6069. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6070. return -EINVAL;
  6071. }
  6072. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6073. {
  6074. /* Force KR or KX */
  6075. bnx2x_cl45_write(bp, phy,
  6076. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6077. bnx2x_cl45_write(bp, phy,
  6078. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6079. bnx2x_cl45_write(bp, phy,
  6080. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6081. bnx2x_cl45_write(bp, phy,
  6082. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6083. }
  6084. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6085. struct bnx2x_phy *phy,
  6086. struct link_vars *vars)
  6087. {
  6088. u16 cl37_val;
  6089. struct bnx2x *bp = params->bp;
  6090. bnx2x_cl45_read(bp, phy,
  6091. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6092. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6093. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6094. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6095. if ((vars->ieee_fc &
  6096. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6098. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6099. }
  6100. if ((vars->ieee_fc &
  6101. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6102. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6103. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6104. }
  6105. if ((vars->ieee_fc &
  6106. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6107. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6108. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6109. }
  6110. DP(NETIF_MSG_LINK,
  6111. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6112. bnx2x_cl45_write(bp, phy,
  6113. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6114. msleep(500);
  6115. }
  6116. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6117. struct link_params *params,
  6118. struct link_vars *vars)
  6119. {
  6120. struct bnx2x *bp = params->bp;
  6121. u16 val = 0, tmp1;
  6122. u8 gpio_port;
  6123. DP(NETIF_MSG_LINK, "Init 8073\n");
  6124. if (CHIP_IS_E2(bp))
  6125. gpio_port = BP_PATH(bp);
  6126. else
  6127. gpio_port = params->port;
  6128. /* Restore normal power mode*/
  6129. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6130. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6131. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6132. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6133. /* enable LASI */
  6134. bnx2x_cl45_write(bp, phy,
  6135. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6136. bnx2x_cl45_write(bp, phy,
  6137. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6138. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6139. bnx2x_cl45_read(bp, phy,
  6140. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6141. bnx2x_cl45_read(bp, phy,
  6142. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6143. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6144. /* Swap polarity if required - Must be done only in non-1G mode */
  6145. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6146. /* Configure the 8073 to swap _P and _N of the KR lines */
  6147. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6148. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6149. bnx2x_cl45_read(bp, phy,
  6150. MDIO_PMA_DEVAD,
  6151. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6152. bnx2x_cl45_write(bp, phy,
  6153. MDIO_PMA_DEVAD,
  6154. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6155. (val | (3<<9)));
  6156. }
  6157. /* Enable CL37 BAM */
  6158. if (REG_RD(bp, params->shmem_base +
  6159. offsetof(struct shmem_region, dev_info.
  6160. port_hw_config[params->port].default_cfg)) &
  6161. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6162. bnx2x_cl45_read(bp, phy,
  6163. MDIO_AN_DEVAD,
  6164. MDIO_AN_REG_8073_BAM, &val);
  6165. bnx2x_cl45_write(bp, phy,
  6166. MDIO_AN_DEVAD,
  6167. MDIO_AN_REG_8073_BAM, val | 1);
  6168. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6169. }
  6170. if (params->loopback_mode == LOOPBACK_EXT) {
  6171. bnx2x_807x_force_10G(bp, phy);
  6172. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6173. return 0;
  6174. } else {
  6175. bnx2x_cl45_write(bp, phy,
  6176. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6177. }
  6178. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6179. if (phy->req_line_speed == SPEED_10000) {
  6180. val = (1<<7);
  6181. } else if (phy->req_line_speed == SPEED_2500) {
  6182. val = (1<<5);
  6183. /*
  6184. * Note that 2.5G works only when used with 1G
  6185. * advertisement
  6186. */
  6187. } else
  6188. val = (1<<5);
  6189. } else {
  6190. val = 0;
  6191. if (phy->speed_cap_mask &
  6192. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6193. val |= (1<<7);
  6194. /* Note that 2.5G works only when used with 1G advertisement */
  6195. if (phy->speed_cap_mask &
  6196. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6197. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6198. val |= (1<<5);
  6199. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6200. }
  6201. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6202. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6203. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6204. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6205. (phy->req_line_speed == SPEED_2500)) {
  6206. u16 phy_ver;
  6207. /* Allow 2.5G for A1 and above */
  6208. bnx2x_cl45_read(bp, phy,
  6209. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6210. &phy_ver);
  6211. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6212. if (phy_ver > 0)
  6213. tmp1 |= 1;
  6214. else
  6215. tmp1 &= 0xfffe;
  6216. } else {
  6217. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6218. tmp1 &= 0xfffe;
  6219. }
  6220. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6221. /* Add support for CL37 (passive mode) II */
  6222. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6223. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6224. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6225. 0x20 : 0x40)));
  6226. /* Add support for CL37 (passive mode) III */
  6227. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6228. /*
  6229. * The SNR will improve about 2db by changing BW and FEE main
  6230. * tap. Rest commands are executed after link is up
  6231. * Change FFE main cursor to 5 in EDC register
  6232. */
  6233. if (bnx2x_8073_is_snr_needed(bp, phy))
  6234. bnx2x_cl45_write(bp, phy,
  6235. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6236. 0xFB0C);
  6237. /* Enable FEC (Forware Error Correction) Request in the AN */
  6238. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6239. tmp1 |= (1<<15);
  6240. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6241. bnx2x_ext_phy_set_pause(params, phy, vars);
  6242. /* Restart autoneg */
  6243. msleep(500);
  6244. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6245. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6246. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6247. return 0;
  6248. }
  6249. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6250. struct link_params *params,
  6251. struct link_vars *vars)
  6252. {
  6253. struct bnx2x *bp = params->bp;
  6254. u8 link_up = 0;
  6255. u16 val1, val2;
  6256. u16 link_status = 0;
  6257. u16 an1000_status = 0;
  6258. bnx2x_cl45_read(bp, phy,
  6259. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6260. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6261. /* clear the interrupt LASI status register */
  6262. bnx2x_cl45_read(bp, phy,
  6263. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6264. bnx2x_cl45_read(bp, phy,
  6265. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6266. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6267. /* Clear MSG-OUT */
  6268. bnx2x_cl45_read(bp, phy,
  6269. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6270. /* Check the LASI */
  6271. bnx2x_cl45_read(bp, phy,
  6272. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6273. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6274. /* Check the link status */
  6275. bnx2x_cl45_read(bp, phy,
  6276. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6277. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6278. bnx2x_cl45_read(bp, phy,
  6279. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6282. link_up = ((val1 & 4) == 4);
  6283. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6284. if (link_up &&
  6285. ((phy->req_line_speed != SPEED_10000))) {
  6286. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6287. return 0;
  6288. }
  6289. bnx2x_cl45_read(bp, phy,
  6290. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6291. bnx2x_cl45_read(bp, phy,
  6292. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6293. /* Check the link status on 1.1.2 */
  6294. bnx2x_cl45_read(bp, phy,
  6295. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6296. bnx2x_cl45_read(bp, phy,
  6297. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6298. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6299. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6300. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6301. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6302. /*
  6303. * The SNR will improve about 2dbby changing the BW and FEE main
  6304. * tap. The 1st write to change FFE main tap is set before
  6305. * restart AN. Change PLL Bandwidth in EDC register
  6306. */
  6307. bnx2x_cl45_write(bp, phy,
  6308. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6309. 0x26BC);
  6310. /* Change CDR Bandwidth in EDC register */
  6311. bnx2x_cl45_write(bp, phy,
  6312. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6313. 0x0333);
  6314. }
  6315. bnx2x_cl45_read(bp, phy,
  6316. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6317. &link_status);
  6318. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6319. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6320. link_up = 1;
  6321. vars->line_speed = SPEED_10000;
  6322. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6323. params->port);
  6324. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6325. link_up = 1;
  6326. vars->line_speed = SPEED_2500;
  6327. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6328. params->port);
  6329. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6330. link_up = 1;
  6331. vars->line_speed = SPEED_1000;
  6332. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6333. params->port);
  6334. } else {
  6335. link_up = 0;
  6336. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6337. params->port);
  6338. }
  6339. if (link_up) {
  6340. /* Swap polarity if required */
  6341. if (params->lane_config &
  6342. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6343. /* Configure the 8073 to swap P and N of the KR lines */
  6344. bnx2x_cl45_read(bp, phy,
  6345. MDIO_XS_DEVAD,
  6346. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6347. /*
  6348. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6349. * when it`s in 10G mode.
  6350. */
  6351. if (vars->line_speed == SPEED_1000) {
  6352. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6353. "the 8073\n");
  6354. val1 |= (1<<3);
  6355. } else
  6356. val1 &= ~(1<<3);
  6357. bnx2x_cl45_write(bp, phy,
  6358. MDIO_XS_DEVAD,
  6359. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6360. val1);
  6361. }
  6362. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6363. bnx2x_8073_resolve_fc(phy, params, vars);
  6364. vars->duplex = DUPLEX_FULL;
  6365. }
  6366. return link_up;
  6367. }
  6368. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6369. struct link_params *params)
  6370. {
  6371. struct bnx2x *bp = params->bp;
  6372. u8 gpio_port;
  6373. if (CHIP_IS_E2(bp))
  6374. gpio_port = BP_PATH(bp);
  6375. else
  6376. gpio_port = params->port;
  6377. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6378. gpio_port);
  6379. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6380. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6381. gpio_port);
  6382. }
  6383. /******************************************************************/
  6384. /* BCM8705 PHY SECTION */
  6385. /******************************************************************/
  6386. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6387. struct link_params *params,
  6388. struct link_vars *vars)
  6389. {
  6390. struct bnx2x *bp = params->bp;
  6391. DP(NETIF_MSG_LINK, "init 8705\n");
  6392. /* Restore normal power mode*/
  6393. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6394. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6395. /* HW reset */
  6396. bnx2x_ext_phy_hw_reset(bp, params->port);
  6397. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6398. bnx2x_wait_reset_complete(bp, phy, params);
  6399. bnx2x_cl45_write(bp, phy,
  6400. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6401. bnx2x_cl45_write(bp, phy,
  6402. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6403. bnx2x_cl45_write(bp, phy,
  6404. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6405. bnx2x_cl45_write(bp, phy,
  6406. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6407. /* BCM8705 doesn't have microcode, hence the 0 */
  6408. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6409. return 0;
  6410. }
  6411. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6412. struct link_params *params,
  6413. struct link_vars *vars)
  6414. {
  6415. u8 link_up = 0;
  6416. u16 val1, rx_sd;
  6417. struct bnx2x *bp = params->bp;
  6418. DP(NETIF_MSG_LINK, "read status 8705\n");
  6419. bnx2x_cl45_read(bp, phy,
  6420. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6421. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6422. bnx2x_cl45_read(bp, phy,
  6423. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6424. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6425. bnx2x_cl45_read(bp, phy,
  6426. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6427. bnx2x_cl45_read(bp, phy,
  6428. MDIO_PMA_DEVAD, 0xc809, &val1);
  6429. bnx2x_cl45_read(bp, phy,
  6430. MDIO_PMA_DEVAD, 0xc809, &val1);
  6431. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6432. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6433. if (link_up) {
  6434. vars->line_speed = SPEED_10000;
  6435. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6436. }
  6437. return link_up;
  6438. }
  6439. /******************************************************************/
  6440. /* SFP+ module Section */
  6441. /******************************************************************/
  6442. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6443. struct bnx2x_phy *phy,
  6444. u8 pmd_dis)
  6445. {
  6446. struct bnx2x *bp = params->bp;
  6447. /*
  6448. * Disable transmitter only for bootcodes which can enable it afterwards
  6449. * (for D3 link)
  6450. */
  6451. if (pmd_dis) {
  6452. if (params->feature_config_flags &
  6453. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6454. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6455. else {
  6456. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6457. return;
  6458. }
  6459. } else
  6460. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6461. bnx2x_cl45_write(bp, phy,
  6462. MDIO_PMA_DEVAD,
  6463. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6464. }
  6465. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6466. {
  6467. u8 gpio_port;
  6468. u32 swap_val, swap_override;
  6469. struct bnx2x *bp = params->bp;
  6470. if (CHIP_IS_E2(bp))
  6471. gpio_port = BP_PATH(bp);
  6472. else
  6473. gpio_port = params->port;
  6474. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6475. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6476. return gpio_port ^ (swap_val && swap_override);
  6477. }
  6478. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6479. struct bnx2x_phy *phy,
  6480. u8 tx_en)
  6481. {
  6482. u16 val;
  6483. u8 port = params->port;
  6484. struct bnx2x *bp = params->bp;
  6485. u32 tx_en_mode;
  6486. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6487. tx_en_mode = REG_RD(bp, params->shmem_base +
  6488. offsetof(struct shmem_region,
  6489. dev_info.port_hw_config[port].sfp_ctrl)) &
  6490. PORT_HW_CFG_TX_LASER_MASK;
  6491. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6492. "mode = %x\n", tx_en, port, tx_en_mode);
  6493. switch (tx_en_mode) {
  6494. case PORT_HW_CFG_TX_LASER_MDIO:
  6495. bnx2x_cl45_read(bp, phy,
  6496. MDIO_PMA_DEVAD,
  6497. MDIO_PMA_REG_PHY_IDENTIFIER,
  6498. &val);
  6499. if (tx_en)
  6500. val &= ~(1<<15);
  6501. else
  6502. val |= (1<<15);
  6503. bnx2x_cl45_write(bp, phy,
  6504. MDIO_PMA_DEVAD,
  6505. MDIO_PMA_REG_PHY_IDENTIFIER,
  6506. val);
  6507. break;
  6508. case PORT_HW_CFG_TX_LASER_GPIO0:
  6509. case PORT_HW_CFG_TX_LASER_GPIO1:
  6510. case PORT_HW_CFG_TX_LASER_GPIO2:
  6511. case PORT_HW_CFG_TX_LASER_GPIO3:
  6512. {
  6513. u16 gpio_pin;
  6514. u8 gpio_port, gpio_mode;
  6515. if (tx_en)
  6516. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6517. else
  6518. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6519. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6520. gpio_port = bnx2x_get_gpio_port(params);
  6521. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6522. break;
  6523. }
  6524. default:
  6525. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6526. break;
  6527. }
  6528. }
  6529. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6530. struct bnx2x_phy *phy,
  6531. u8 tx_en)
  6532. {
  6533. struct bnx2x *bp = params->bp;
  6534. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6535. if (CHIP_IS_E3(bp))
  6536. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6537. else
  6538. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6539. }
  6540. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6541. struct link_params *params,
  6542. u16 addr, u8 byte_cnt, u8 *o_buf)
  6543. {
  6544. struct bnx2x *bp = params->bp;
  6545. u16 val = 0;
  6546. u16 i;
  6547. if (byte_cnt > 16) {
  6548. DP(NETIF_MSG_LINK,
  6549. "Reading from eeprom is limited to 0xf\n");
  6550. return -EINVAL;
  6551. }
  6552. /* Set the read command byte count */
  6553. bnx2x_cl45_write(bp, phy,
  6554. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6555. (byte_cnt | 0xa000));
  6556. /* Set the read command address */
  6557. bnx2x_cl45_write(bp, phy,
  6558. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6559. addr);
  6560. /* Activate read command */
  6561. bnx2x_cl45_write(bp, phy,
  6562. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6563. 0x2c0f);
  6564. /* Wait up to 500us for command complete status */
  6565. for (i = 0; i < 100; i++) {
  6566. bnx2x_cl45_read(bp, phy,
  6567. MDIO_PMA_DEVAD,
  6568. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6569. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6570. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6571. break;
  6572. udelay(5);
  6573. }
  6574. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6575. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6576. DP(NETIF_MSG_LINK,
  6577. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6578. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6579. return -EINVAL;
  6580. }
  6581. /* Read the buffer */
  6582. for (i = 0; i < byte_cnt; i++) {
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD,
  6585. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6586. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6587. }
  6588. for (i = 0; i < 100; i++) {
  6589. bnx2x_cl45_read(bp, phy,
  6590. MDIO_PMA_DEVAD,
  6591. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6592. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6593. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6594. return 0;
  6595. msleep(1);
  6596. }
  6597. return -EINVAL;
  6598. }
  6599. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6600. struct link_params *params,
  6601. u16 addr, u8 byte_cnt,
  6602. u8 *o_buf)
  6603. {
  6604. int rc = 0;
  6605. u8 i, j = 0, cnt = 0;
  6606. u32 data_array[4];
  6607. u16 addr32;
  6608. struct bnx2x *bp = params->bp;
  6609. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6610. " addr %d, cnt %d\n",
  6611. addr, byte_cnt);*/
  6612. if (byte_cnt > 16) {
  6613. DP(NETIF_MSG_LINK,
  6614. "Reading from eeprom is limited to 16 bytes\n");
  6615. return -EINVAL;
  6616. }
  6617. /* 4 byte aligned address */
  6618. addr32 = addr & (~0x3);
  6619. do {
  6620. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6621. data_array);
  6622. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6623. if (rc == 0) {
  6624. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6625. o_buf[j] = *((u8 *)data_array + i);
  6626. j++;
  6627. }
  6628. }
  6629. return rc;
  6630. }
  6631. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6632. struct link_params *params,
  6633. u16 addr, u8 byte_cnt, u8 *o_buf)
  6634. {
  6635. struct bnx2x *bp = params->bp;
  6636. u16 val, i;
  6637. if (byte_cnt > 16) {
  6638. DP(NETIF_MSG_LINK,
  6639. "Reading from eeprom is limited to 0xf\n");
  6640. return -EINVAL;
  6641. }
  6642. /* Need to read from 1.8000 to clear it */
  6643. bnx2x_cl45_read(bp, phy,
  6644. MDIO_PMA_DEVAD,
  6645. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6646. &val);
  6647. /* Set the read command byte count */
  6648. bnx2x_cl45_write(bp, phy,
  6649. MDIO_PMA_DEVAD,
  6650. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6651. ((byte_cnt < 2) ? 2 : byte_cnt));
  6652. /* Set the read command address */
  6653. bnx2x_cl45_write(bp, phy,
  6654. MDIO_PMA_DEVAD,
  6655. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6656. addr);
  6657. /* Set the destination address */
  6658. bnx2x_cl45_write(bp, phy,
  6659. MDIO_PMA_DEVAD,
  6660. 0x8004,
  6661. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6662. /* Activate read command */
  6663. bnx2x_cl45_write(bp, phy,
  6664. MDIO_PMA_DEVAD,
  6665. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6666. 0x8002);
  6667. /*
  6668. * Wait appropriate time for two-wire command to finish before
  6669. * polling the status register
  6670. */
  6671. msleep(1);
  6672. /* Wait up to 500us for command complete status */
  6673. for (i = 0; i < 100; i++) {
  6674. bnx2x_cl45_read(bp, phy,
  6675. MDIO_PMA_DEVAD,
  6676. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6677. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6678. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6679. break;
  6680. udelay(5);
  6681. }
  6682. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6683. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6684. DP(NETIF_MSG_LINK,
  6685. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6686. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6687. return -EFAULT;
  6688. }
  6689. /* Read the buffer */
  6690. for (i = 0; i < byte_cnt; i++) {
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_PMA_DEVAD,
  6693. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6694. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6695. }
  6696. for (i = 0; i < 100; i++) {
  6697. bnx2x_cl45_read(bp, phy,
  6698. MDIO_PMA_DEVAD,
  6699. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6700. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6701. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6702. return 0;
  6703. msleep(1);
  6704. }
  6705. return -EINVAL;
  6706. }
  6707. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6708. struct link_params *params, u16 addr,
  6709. u8 byte_cnt, u8 *o_buf)
  6710. {
  6711. int rc = -EINVAL;
  6712. switch (phy->type) {
  6713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6714. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6715. byte_cnt, o_buf);
  6716. break;
  6717. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6719. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6720. byte_cnt, o_buf);
  6721. break;
  6722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6723. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6724. byte_cnt, o_buf);
  6725. break;
  6726. }
  6727. return rc;
  6728. }
  6729. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6730. struct link_params *params,
  6731. u16 *edc_mode)
  6732. {
  6733. struct bnx2x *bp = params->bp;
  6734. u32 sync_offset = 0, phy_idx, media_types;
  6735. u8 val, check_limiting_mode = 0;
  6736. *edc_mode = EDC_MODE_LIMITING;
  6737. phy->media_type = ETH_PHY_UNSPECIFIED;
  6738. /* First check for copper cable */
  6739. if (bnx2x_read_sfp_module_eeprom(phy,
  6740. params,
  6741. SFP_EEPROM_CON_TYPE_ADDR,
  6742. 1,
  6743. &val) != 0) {
  6744. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6745. return -EINVAL;
  6746. }
  6747. switch (val) {
  6748. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6749. {
  6750. u8 copper_module_type;
  6751. phy->media_type = ETH_PHY_DA_TWINAX;
  6752. /*
  6753. * Check if its active cable (includes SFP+ module)
  6754. * of passive cable
  6755. */
  6756. if (bnx2x_read_sfp_module_eeprom(phy,
  6757. params,
  6758. SFP_EEPROM_FC_TX_TECH_ADDR,
  6759. 1,
  6760. &copper_module_type) != 0) {
  6761. DP(NETIF_MSG_LINK,
  6762. "Failed to read copper-cable-type"
  6763. " from SFP+ EEPROM\n");
  6764. return -EINVAL;
  6765. }
  6766. if (copper_module_type &
  6767. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6768. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6769. check_limiting_mode = 1;
  6770. } else if (copper_module_type &
  6771. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6772. DP(NETIF_MSG_LINK,
  6773. "Passive Copper cable detected\n");
  6774. *edc_mode =
  6775. EDC_MODE_PASSIVE_DAC;
  6776. } else {
  6777. DP(NETIF_MSG_LINK,
  6778. "Unknown copper-cable-type 0x%x !!!\n",
  6779. copper_module_type);
  6780. return -EINVAL;
  6781. }
  6782. break;
  6783. }
  6784. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6785. phy->media_type = ETH_PHY_SFP_FIBER;
  6786. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6787. check_limiting_mode = 1;
  6788. break;
  6789. default:
  6790. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6791. val);
  6792. return -EINVAL;
  6793. }
  6794. sync_offset = params->shmem_base +
  6795. offsetof(struct shmem_region,
  6796. dev_info.port_hw_config[params->port].media_type);
  6797. media_types = REG_RD(bp, sync_offset);
  6798. /* Update media type for non-PMF sync */
  6799. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6800. if (&(params->phy[phy_idx]) == phy) {
  6801. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6802. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6803. media_types |= ((phy->media_type &
  6804. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6805. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6806. break;
  6807. }
  6808. }
  6809. REG_WR(bp, sync_offset, media_types);
  6810. if (check_limiting_mode) {
  6811. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6812. if (bnx2x_read_sfp_module_eeprom(phy,
  6813. params,
  6814. SFP_EEPROM_OPTIONS_ADDR,
  6815. SFP_EEPROM_OPTIONS_SIZE,
  6816. options) != 0) {
  6817. DP(NETIF_MSG_LINK,
  6818. "Failed to read Option field from module EEPROM\n");
  6819. return -EINVAL;
  6820. }
  6821. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6822. *edc_mode = EDC_MODE_LINEAR;
  6823. else
  6824. *edc_mode = EDC_MODE_LIMITING;
  6825. }
  6826. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6827. return 0;
  6828. }
  6829. /*
  6830. * This function read the relevant field from the module (SFP+), and verify it
  6831. * is compliant with this board
  6832. */
  6833. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6834. struct link_params *params)
  6835. {
  6836. struct bnx2x *bp = params->bp;
  6837. u32 val, cmd;
  6838. u32 fw_resp, fw_cmd_param;
  6839. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6840. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6841. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6842. val = REG_RD(bp, params->shmem_base +
  6843. offsetof(struct shmem_region, dev_info.
  6844. port_feature_config[params->port].config));
  6845. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6846. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6847. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6848. return 0;
  6849. }
  6850. if (params->feature_config_flags &
  6851. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6852. /* Use specific phy request */
  6853. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6854. } else if (params->feature_config_flags &
  6855. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6856. /* Use first phy request only in case of non-dual media*/
  6857. if (DUAL_MEDIA(params)) {
  6858. DP(NETIF_MSG_LINK,
  6859. "FW does not support OPT MDL verification\n");
  6860. return -EINVAL;
  6861. }
  6862. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6863. } else {
  6864. /* No support in OPT MDL detection */
  6865. DP(NETIF_MSG_LINK,
  6866. "FW does not support OPT MDL verification\n");
  6867. return -EINVAL;
  6868. }
  6869. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6870. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6871. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6872. DP(NETIF_MSG_LINK, "Approved module\n");
  6873. return 0;
  6874. }
  6875. /* format the warning message */
  6876. if (bnx2x_read_sfp_module_eeprom(phy,
  6877. params,
  6878. SFP_EEPROM_VENDOR_NAME_ADDR,
  6879. SFP_EEPROM_VENDOR_NAME_SIZE,
  6880. (u8 *)vendor_name))
  6881. vendor_name[0] = '\0';
  6882. else
  6883. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6884. if (bnx2x_read_sfp_module_eeprom(phy,
  6885. params,
  6886. SFP_EEPROM_PART_NO_ADDR,
  6887. SFP_EEPROM_PART_NO_SIZE,
  6888. (u8 *)vendor_pn))
  6889. vendor_pn[0] = '\0';
  6890. else
  6891. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6892. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6893. " Port %d from %s part number %s\n",
  6894. params->port, vendor_name, vendor_pn);
  6895. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6896. return -EINVAL;
  6897. }
  6898. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6899. struct link_params *params)
  6900. {
  6901. u8 val;
  6902. struct bnx2x *bp = params->bp;
  6903. u16 timeout;
  6904. /*
  6905. * Initialization time after hot-plug may take up to 300ms for
  6906. * some phys type ( e.g. JDSU )
  6907. */
  6908. for (timeout = 0; timeout < 60; timeout++) {
  6909. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6910. == 0) {
  6911. DP(NETIF_MSG_LINK,
  6912. "SFP+ module initialization took %d ms\n",
  6913. timeout * 5);
  6914. return 0;
  6915. }
  6916. msleep(5);
  6917. }
  6918. return -EINVAL;
  6919. }
  6920. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6921. struct bnx2x_phy *phy,
  6922. u8 is_power_up) {
  6923. /* Make sure GPIOs are not using for LED mode */
  6924. u16 val;
  6925. /*
  6926. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6927. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6928. * output
  6929. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6930. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6931. * where the 1st bit is the over-current(only input), and 2nd bit is
  6932. * for power( only output )
  6933. *
  6934. * In case of NOC feature is disabled and power is up, set GPIO control
  6935. * as input to enable listening of over-current indication
  6936. */
  6937. if (phy->flags & FLAGS_NOC)
  6938. return;
  6939. if (is_power_up)
  6940. val = (1<<4);
  6941. else
  6942. /*
  6943. * Set GPIO control to OUTPUT, and set the power bit
  6944. * to according to the is_power_up
  6945. */
  6946. val = (1<<1);
  6947. bnx2x_cl45_write(bp, phy,
  6948. MDIO_PMA_DEVAD,
  6949. MDIO_PMA_REG_8727_GPIO_CTRL,
  6950. val);
  6951. }
  6952. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6953. struct bnx2x_phy *phy,
  6954. u16 edc_mode)
  6955. {
  6956. u16 cur_limiting_mode;
  6957. bnx2x_cl45_read(bp, phy,
  6958. MDIO_PMA_DEVAD,
  6959. MDIO_PMA_REG_ROM_VER2,
  6960. &cur_limiting_mode);
  6961. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6962. cur_limiting_mode);
  6963. if (edc_mode == EDC_MODE_LIMITING) {
  6964. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6965. bnx2x_cl45_write(bp, phy,
  6966. MDIO_PMA_DEVAD,
  6967. MDIO_PMA_REG_ROM_VER2,
  6968. EDC_MODE_LIMITING);
  6969. } else { /* LRM mode ( default )*/
  6970. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6971. /*
  6972. * Changing to LRM mode takes quite few seconds. So do it only
  6973. * if current mode is limiting (default is LRM)
  6974. */
  6975. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6976. return 0;
  6977. bnx2x_cl45_write(bp, phy,
  6978. MDIO_PMA_DEVAD,
  6979. MDIO_PMA_REG_LRM_MODE,
  6980. 0);
  6981. bnx2x_cl45_write(bp, phy,
  6982. MDIO_PMA_DEVAD,
  6983. MDIO_PMA_REG_ROM_VER2,
  6984. 0x128);
  6985. bnx2x_cl45_write(bp, phy,
  6986. MDIO_PMA_DEVAD,
  6987. MDIO_PMA_REG_MISC_CTRL0,
  6988. 0x4008);
  6989. bnx2x_cl45_write(bp, phy,
  6990. MDIO_PMA_DEVAD,
  6991. MDIO_PMA_REG_LRM_MODE,
  6992. 0xaaaa);
  6993. }
  6994. return 0;
  6995. }
  6996. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6997. struct bnx2x_phy *phy,
  6998. u16 edc_mode)
  6999. {
  7000. u16 phy_identifier;
  7001. u16 rom_ver2_val;
  7002. bnx2x_cl45_read(bp, phy,
  7003. MDIO_PMA_DEVAD,
  7004. MDIO_PMA_REG_PHY_IDENTIFIER,
  7005. &phy_identifier);
  7006. bnx2x_cl45_write(bp, phy,
  7007. MDIO_PMA_DEVAD,
  7008. MDIO_PMA_REG_PHY_IDENTIFIER,
  7009. (phy_identifier & ~(1<<9)));
  7010. bnx2x_cl45_read(bp, phy,
  7011. MDIO_PMA_DEVAD,
  7012. MDIO_PMA_REG_ROM_VER2,
  7013. &rom_ver2_val);
  7014. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7015. bnx2x_cl45_write(bp, phy,
  7016. MDIO_PMA_DEVAD,
  7017. MDIO_PMA_REG_ROM_VER2,
  7018. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7019. bnx2x_cl45_write(bp, phy,
  7020. MDIO_PMA_DEVAD,
  7021. MDIO_PMA_REG_PHY_IDENTIFIER,
  7022. (phy_identifier | (1<<9)));
  7023. return 0;
  7024. }
  7025. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7026. struct link_params *params,
  7027. u32 action)
  7028. {
  7029. struct bnx2x *bp = params->bp;
  7030. switch (action) {
  7031. case DISABLE_TX:
  7032. bnx2x_sfp_set_transmitter(params, phy, 0);
  7033. break;
  7034. case ENABLE_TX:
  7035. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7036. bnx2x_sfp_set_transmitter(params, phy, 1);
  7037. break;
  7038. default:
  7039. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7040. action);
  7041. return;
  7042. }
  7043. }
  7044. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7045. u8 gpio_mode)
  7046. {
  7047. struct bnx2x *bp = params->bp;
  7048. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7049. offsetof(struct shmem_region,
  7050. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7051. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7052. switch (fault_led_gpio) {
  7053. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7054. return;
  7055. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7056. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7057. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7058. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7059. {
  7060. u8 gpio_port = bnx2x_get_gpio_port(params);
  7061. u16 gpio_pin = fault_led_gpio -
  7062. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7063. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7064. "pin %x port %x mode %x\n",
  7065. gpio_pin, gpio_port, gpio_mode);
  7066. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7067. }
  7068. break;
  7069. default:
  7070. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7071. fault_led_gpio);
  7072. }
  7073. }
  7074. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7075. u8 gpio_mode)
  7076. {
  7077. u32 pin_cfg;
  7078. u8 port = params->port;
  7079. struct bnx2x *bp = params->bp;
  7080. pin_cfg = (REG_RD(bp, params->shmem_base +
  7081. offsetof(struct shmem_region,
  7082. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7083. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7084. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7085. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7086. gpio_mode, pin_cfg);
  7087. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7088. }
  7089. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7090. u8 gpio_mode)
  7091. {
  7092. struct bnx2x *bp = params->bp;
  7093. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7094. if (CHIP_IS_E3(bp)) {
  7095. /*
  7096. * Low ==> if SFP+ module is supported otherwise
  7097. * High ==> if SFP+ module is not on the approved vendor list
  7098. */
  7099. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7100. } else
  7101. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7102. }
  7103. static void bnx2x_warpcore_power_module(struct link_params *params,
  7104. struct bnx2x_phy *phy,
  7105. u8 power)
  7106. {
  7107. u32 pin_cfg;
  7108. struct bnx2x *bp = params->bp;
  7109. pin_cfg = (REG_RD(bp, params->shmem_base +
  7110. offsetof(struct shmem_region,
  7111. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7112. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7113. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7114. if (pin_cfg == PIN_CFG_NA)
  7115. return;
  7116. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7117. power, pin_cfg);
  7118. /*
  7119. * Low ==> corresponding SFP+ module is powered
  7120. * high ==> the SFP+ module is powered down
  7121. */
  7122. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7123. }
  7124. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7125. struct link_params *params)
  7126. {
  7127. bnx2x_warpcore_power_module(params, phy, 0);
  7128. }
  7129. static void bnx2x_power_sfp_module(struct link_params *params,
  7130. struct bnx2x_phy *phy,
  7131. u8 power)
  7132. {
  7133. struct bnx2x *bp = params->bp;
  7134. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7135. switch (phy->type) {
  7136. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7137. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7138. bnx2x_8727_power_module(params->bp, phy, power);
  7139. break;
  7140. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7141. bnx2x_warpcore_power_module(params, phy, power);
  7142. break;
  7143. default:
  7144. break;
  7145. }
  7146. }
  7147. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7148. struct bnx2x_phy *phy,
  7149. u16 edc_mode)
  7150. {
  7151. u16 val = 0;
  7152. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7153. struct bnx2x *bp = params->bp;
  7154. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7155. /* This is a global register which controls all lanes */
  7156. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7157. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7158. val &= ~(0xf << (lane << 2));
  7159. switch (edc_mode) {
  7160. case EDC_MODE_LINEAR:
  7161. case EDC_MODE_LIMITING:
  7162. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7163. break;
  7164. case EDC_MODE_PASSIVE_DAC:
  7165. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7166. break;
  7167. default:
  7168. break;
  7169. }
  7170. val |= (mode << (lane << 2));
  7171. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7172. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7173. /* A must read */
  7174. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7175. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7176. /* Restart microcode to re-read the new mode */
  7177. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7178. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7179. }
  7180. static void bnx2x_set_limiting_mode(struct link_params *params,
  7181. struct bnx2x_phy *phy,
  7182. u16 edc_mode)
  7183. {
  7184. switch (phy->type) {
  7185. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7186. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7187. break;
  7188. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7189. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7190. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7191. break;
  7192. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7193. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7194. break;
  7195. }
  7196. }
  7197. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7198. struct link_params *params)
  7199. {
  7200. struct bnx2x *bp = params->bp;
  7201. u16 edc_mode;
  7202. int rc = 0;
  7203. u32 val = REG_RD(bp, params->shmem_base +
  7204. offsetof(struct shmem_region, dev_info.
  7205. port_feature_config[params->port].config));
  7206. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7207. params->port);
  7208. /* Power up module */
  7209. bnx2x_power_sfp_module(params, phy, 1);
  7210. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7211. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7212. return -EINVAL;
  7213. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7214. /* check SFP+ module compatibility */
  7215. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7216. rc = -EINVAL;
  7217. /* Turn on fault module-detected led */
  7218. bnx2x_set_sfp_module_fault_led(params,
  7219. MISC_REGISTERS_GPIO_HIGH);
  7220. /* Check if need to power down the SFP+ module */
  7221. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7222. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7223. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7224. bnx2x_power_sfp_module(params, phy, 0);
  7225. return rc;
  7226. }
  7227. } else {
  7228. /* Turn off fault module-detected led */
  7229. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7230. }
  7231. /*
  7232. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7233. * is done automatically
  7234. */
  7235. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7236. /*
  7237. * Enable transmit for this module if the module is approved, or
  7238. * if unapproved modules should also enable the Tx laser
  7239. */
  7240. if (rc == 0 ||
  7241. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7242. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7243. bnx2x_sfp_set_transmitter(params, phy, 1);
  7244. else
  7245. bnx2x_sfp_set_transmitter(params, phy, 0);
  7246. return rc;
  7247. }
  7248. void bnx2x_handle_module_detect_int(struct link_params *params)
  7249. {
  7250. struct bnx2x *bp = params->bp;
  7251. struct bnx2x_phy *phy;
  7252. u32 gpio_val;
  7253. u8 gpio_num, gpio_port;
  7254. if (CHIP_IS_E3(bp))
  7255. phy = &params->phy[INT_PHY];
  7256. else
  7257. phy = &params->phy[EXT_PHY1];
  7258. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7259. params->port, &gpio_num, &gpio_port) ==
  7260. -EINVAL) {
  7261. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7262. return;
  7263. }
  7264. /* Set valid module led off */
  7265. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7266. /* Get current gpio val reflecting module plugged in / out*/
  7267. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7268. /* Call the handling function in case module is detected */
  7269. if (gpio_val == 0) {
  7270. bnx2x_power_sfp_module(params, phy, 1);
  7271. bnx2x_set_gpio_int(bp, gpio_num,
  7272. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7273. gpio_port);
  7274. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7275. bnx2x_sfp_module_detection(phy, params);
  7276. else
  7277. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7278. } else {
  7279. u32 val = REG_RD(bp, params->shmem_base +
  7280. offsetof(struct shmem_region, dev_info.
  7281. port_feature_config[params->port].
  7282. config));
  7283. bnx2x_set_gpio_int(bp, gpio_num,
  7284. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7285. gpio_port);
  7286. /*
  7287. * Module was plugged out.
  7288. * Disable transmit for this module
  7289. */
  7290. phy->media_type = ETH_PHY_NOT_PRESENT;
  7291. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7292. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7293. CHIP_IS_E3(bp))
  7294. bnx2x_sfp_set_transmitter(params, phy, 0);
  7295. }
  7296. }
  7297. /******************************************************************/
  7298. /* Used by 8706 and 8727 */
  7299. /******************************************************************/
  7300. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7301. struct bnx2x_phy *phy,
  7302. u16 alarm_status_offset,
  7303. u16 alarm_ctrl_offset)
  7304. {
  7305. u16 alarm_status, val;
  7306. bnx2x_cl45_read(bp, phy,
  7307. MDIO_PMA_DEVAD, alarm_status_offset,
  7308. &alarm_status);
  7309. bnx2x_cl45_read(bp, phy,
  7310. MDIO_PMA_DEVAD, alarm_status_offset,
  7311. &alarm_status);
  7312. /* Mask or enable the fault event. */
  7313. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7314. if (alarm_status & (1<<0))
  7315. val &= ~(1<<0);
  7316. else
  7317. val |= (1<<0);
  7318. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7319. }
  7320. /******************************************************************/
  7321. /* common BCM8706/BCM8726 PHY SECTION */
  7322. /******************************************************************/
  7323. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7324. struct link_params *params,
  7325. struct link_vars *vars)
  7326. {
  7327. u8 link_up = 0;
  7328. u16 val1, val2, rx_sd, pcs_status;
  7329. struct bnx2x *bp = params->bp;
  7330. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7331. /* Clear RX Alarm*/
  7332. bnx2x_cl45_read(bp, phy,
  7333. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7334. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7335. MDIO_PMA_LASI_TXCTRL);
  7336. /* clear LASI indication*/
  7337. bnx2x_cl45_read(bp, phy,
  7338. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7339. bnx2x_cl45_read(bp, phy,
  7340. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7341. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7342. bnx2x_cl45_read(bp, phy,
  7343. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7344. bnx2x_cl45_read(bp, phy,
  7345. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7346. bnx2x_cl45_read(bp, phy,
  7347. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7348. bnx2x_cl45_read(bp, phy,
  7349. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7350. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7351. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7352. /*
  7353. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7354. * are set, or if the autoneg bit 1 is set
  7355. */
  7356. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7357. if (link_up) {
  7358. if (val2 & (1<<1))
  7359. vars->line_speed = SPEED_1000;
  7360. else
  7361. vars->line_speed = SPEED_10000;
  7362. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7363. vars->duplex = DUPLEX_FULL;
  7364. }
  7365. /* Capture 10G link fault. Read twice to clear stale value. */
  7366. if (vars->line_speed == SPEED_10000) {
  7367. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7368. MDIO_PMA_LASI_TXSTAT, &val1);
  7369. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7370. MDIO_PMA_LASI_TXSTAT, &val1);
  7371. if (val1 & (1<<0))
  7372. vars->fault_detected = 1;
  7373. }
  7374. return link_up;
  7375. }
  7376. /******************************************************************/
  7377. /* BCM8706 PHY SECTION */
  7378. /******************************************************************/
  7379. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7380. struct link_params *params,
  7381. struct link_vars *vars)
  7382. {
  7383. u32 tx_en_mode;
  7384. u16 cnt, val, tmp1;
  7385. struct bnx2x *bp = params->bp;
  7386. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7387. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7388. /* HW reset */
  7389. bnx2x_ext_phy_hw_reset(bp, params->port);
  7390. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7391. bnx2x_wait_reset_complete(bp, phy, params);
  7392. /* Wait until fw is loaded */
  7393. for (cnt = 0; cnt < 100; cnt++) {
  7394. bnx2x_cl45_read(bp, phy,
  7395. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7396. if (val)
  7397. break;
  7398. msleep(10);
  7399. }
  7400. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7401. if ((params->feature_config_flags &
  7402. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7403. u8 i;
  7404. u16 reg;
  7405. for (i = 0; i < 4; i++) {
  7406. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7407. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7408. MDIO_XS_8706_REG_BANK_RX0);
  7409. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7410. /* Clear first 3 bits of the control */
  7411. val &= ~0x7;
  7412. /* Set control bits according to configuration */
  7413. val |= (phy->rx_preemphasis[i] & 0x7);
  7414. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7415. " reg 0x%x <-- val 0x%x\n", reg, val);
  7416. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7417. }
  7418. }
  7419. /* Force speed */
  7420. if (phy->req_line_speed == SPEED_10000) {
  7421. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7422. bnx2x_cl45_write(bp, phy,
  7423. MDIO_PMA_DEVAD,
  7424. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7425. bnx2x_cl45_write(bp, phy,
  7426. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7427. 0);
  7428. /* Arm LASI for link and Tx fault. */
  7429. bnx2x_cl45_write(bp, phy,
  7430. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7431. } else {
  7432. /* Force 1Gbps using autoneg with 1G advertisement */
  7433. /* Allow CL37 through CL73 */
  7434. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7435. bnx2x_cl45_write(bp, phy,
  7436. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7437. /* Enable Full-Duplex advertisement on CL37 */
  7438. bnx2x_cl45_write(bp, phy,
  7439. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7440. /* Enable CL37 AN */
  7441. bnx2x_cl45_write(bp, phy,
  7442. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7443. /* 1G support */
  7444. bnx2x_cl45_write(bp, phy,
  7445. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7446. /* Enable clause 73 AN */
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7449. bnx2x_cl45_write(bp, phy,
  7450. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7451. 0x0400);
  7452. bnx2x_cl45_write(bp, phy,
  7453. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7454. 0x0004);
  7455. }
  7456. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7457. /*
  7458. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7459. * power mode, if TX Laser is disabled
  7460. */
  7461. tx_en_mode = REG_RD(bp, params->shmem_base +
  7462. offsetof(struct shmem_region,
  7463. dev_info.port_hw_config[params->port].sfp_ctrl))
  7464. & PORT_HW_CFG_TX_LASER_MASK;
  7465. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7466. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7467. bnx2x_cl45_read(bp, phy,
  7468. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7469. tmp1 |= 0x1;
  7470. bnx2x_cl45_write(bp, phy,
  7471. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7472. }
  7473. return 0;
  7474. }
  7475. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7476. struct link_params *params,
  7477. struct link_vars *vars)
  7478. {
  7479. return bnx2x_8706_8726_read_status(phy, params, vars);
  7480. }
  7481. /******************************************************************/
  7482. /* BCM8726 PHY SECTION */
  7483. /******************************************************************/
  7484. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7485. struct link_params *params)
  7486. {
  7487. struct bnx2x *bp = params->bp;
  7488. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7489. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7490. }
  7491. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7492. struct link_params *params)
  7493. {
  7494. struct bnx2x *bp = params->bp;
  7495. /* Need to wait 100ms after reset */
  7496. msleep(100);
  7497. /* Micro controller re-boot */
  7498. bnx2x_cl45_write(bp, phy,
  7499. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7500. /* Set soft reset */
  7501. bnx2x_cl45_write(bp, phy,
  7502. MDIO_PMA_DEVAD,
  7503. MDIO_PMA_REG_GEN_CTRL,
  7504. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7505. bnx2x_cl45_write(bp, phy,
  7506. MDIO_PMA_DEVAD,
  7507. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7508. bnx2x_cl45_write(bp, phy,
  7509. MDIO_PMA_DEVAD,
  7510. MDIO_PMA_REG_GEN_CTRL,
  7511. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7512. /* wait for 150ms for microcode load */
  7513. msleep(150);
  7514. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7515. bnx2x_cl45_write(bp, phy,
  7516. MDIO_PMA_DEVAD,
  7517. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7518. msleep(200);
  7519. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7520. }
  7521. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7522. struct link_params *params,
  7523. struct link_vars *vars)
  7524. {
  7525. struct bnx2x *bp = params->bp;
  7526. u16 val1;
  7527. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7528. if (link_up) {
  7529. bnx2x_cl45_read(bp, phy,
  7530. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7531. &val1);
  7532. if (val1 & (1<<15)) {
  7533. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7534. link_up = 0;
  7535. vars->line_speed = 0;
  7536. }
  7537. }
  7538. return link_up;
  7539. }
  7540. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7541. struct link_params *params,
  7542. struct link_vars *vars)
  7543. {
  7544. struct bnx2x *bp = params->bp;
  7545. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7546. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7547. bnx2x_wait_reset_complete(bp, phy, params);
  7548. bnx2x_8726_external_rom_boot(phy, params);
  7549. /*
  7550. * Need to call module detected on initialization since the module
  7551. * detection triggered by actual module insertion might occur before
  7552. * driver is loaded, and when driver is loaded, it reset all
  7553. * registers, including the transmitter
  7554. */
  7555. bnx2x_sfp_module_detection(phy, params);
  7556. if (phy->req_line_speed == SPEED_1000) {
  7557. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7558. bnx2x_cl45_write(bp, phy,
  7559. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7560. bnx2x_cl45_write(bp, phy,
  7561. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7562. bnx2x_cl45_write(bp, phy,
  7563. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7564. bnx2x_cl45_write(bp, phy,
  7565. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7566. 0x400);
  7567. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7568. (phy->speed_cap_mask &
  7569. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7570. ((phy->speed_cap_mask &
  7571. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7572. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7573. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7574. /* Set Flow control */
  7575. bnx2x_ext_phy_set_pause(params, phy, vars);
  7576. bnx2x_cl45_write(bp, phy,
  7577. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7580. bnx2x_cl45_write(bp, phy,
  7581. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7582. bnx2x_cl45_write(bp, phy,
  7583. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7584. bnx2x_cl45_write(bp, phy,
  7585. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7586. /*
  7587. * Enable RX-ALARM control to receive interrupt for 1G speed
  7588. * change
  7589. */
  7590. bnx2x_cl45_write(bp, phy,
  7591. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7592. bnx2x_cl45_write(bp, phy,
  7593. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7594. 0x400);
  7595. } else { /* Default 10G. Set only LASI control */
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7598. }
  7599. /* Set TX PreEmphasis if needed */
  7600. if ((params->feature_config_flags &
  7601. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7602. DP(NETIF_MSG_LINK,
  7603. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7604. phy->tx_preemphasis[0],
  7605. phy->tx_preemphasis[1]);
  7606. bnx2x_cl45_write(bp, phy,
  7607. MDIO_PMA_DEVAD,
  7608. MDIO_PMA_REG_8726_TX_CTRL1,
  7609. phy->tx_preemphasis[0]);
  7610. bnx2x_cl45_write(bp, phy,
  7611. MDIO_PMA_DEVAD,
  7612. MDIO_PMA_REG_8726_TX_CTRL2,
  7613. phy->tx_preemphasis[1]);
  7614. }
  7615. return 0;
  7616. }
  7617. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7618. struct link_params *params)
  7619. {
  7620. struct bnx2x *bp = params->bp;
  7621. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7622. /* Set serial boot control for external load */
  7623. bnx2x_cl45_write(bp, phy,
  7624. MDIO_PMA_DEVAD,
  7625. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7626. }
  7627. /******************************************************************/
  7628. /* BCM8727 PHY SECTION */
  7629. /******************************************************************/
  7630. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7631. struct link_params *params, u8 mode)
  7632. {
  7633. struct bnx2x *bp = params->bp;
  7634. u16 led_mode_bitmask = 0;
  7635. u16 gpio_pins_bitmask = 0;
  7636. u16 val;
  7637. /* Only NOC flavor requires to set the LED specifically */
  7638. if (!(phy->flags & FLAGS_NOC))
  7639. return;
  7640. switch (mode) {
  7641. case LED_MODE_FRONT_PANEL_OFF:
  7642. case LED_MODE_OFF:
  7643. led_mode_bitmask = 0;
  7644. gpio_pins_bitmask = 0x03;
  7645. break;
  7646. case LED_MODE_ON:
  7647. led_mode_bitmask = 0;
  7648. gpio_pins_bitmask = 0x02;
  7649. break;
  7650. case LED_MODE_OPER:
  7651. led_mode_bitmask = 0x60;
  7652. gpio_pins_bitmask = 0x11;
  7653. break;
  7654. }
  7655. bnx2x_cl45_read(bp, phy,
  7656. MDIO_PMA_DEVAD,
  7657. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7658. &val);
  7659. val &= 0xff8f;
  7660. val |= led_mode_bitmask;
  7661. bnx2x_cl45_write(bp, phy,
  7662. MDIO_PMA_DEVAD,
  7663. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7664. val);
  7665. bnx2x_cl45_read(bp, phy,
  7666. MDIO_PMA_DEVAD,
  7667. MDIO_PMA_REG_8727_GPIO_CTRL,
  7668. &val);
  7669. val &= 0xffe0;
  7670. val |= gpio_pins_bitmask;
  7671. bnx2x_cl45_write(bp, phy,
  7672. MDIO_PMA_DEVAD,
  7673. MDIO_PMA_REG_8727_GPIO_CTRL,
  7674. val);
  7675. }
  7676. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7677. struct link_params *params) {
  7678. u32 swap_val, swap_override;
  7679. u8 port;
  7680. /*
  7681. * The PHY reset is controlled by GPIO 1. Fake the port number
  7682. * to cancel the swap done in set_gpio()
  7683. */
  7684. struct bnx2x *bp = params->bp;
  7685. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7686. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7687. port = (swap_val && swap_override) ^ 1;
  7688. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7689. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7690. }
  7691. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7692. struct link_params *params,
  7693. struct link_vars *vars)
  7694. {
  7695. u32 tx_en_mode;
  7696. u16 tmp1, val, mod_abs, tmp2;
  7697. u16 rx_alarm_ctrl_val;
  7698. u16 lasi_ctrl_val;
  7699. struct bnx2x *bp = params->bp;
  7700. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7701. bnx2x_wait_reset_complete(bp, phy, params);
  7702. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7703. /* Should be 0x6 to enable XS on Tx side. */
  7704. lasi_ctrl_val = 0x0006;
  7705. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7706. /* enable LASI */
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7709. rx_alarm_ctrl_val);
  7710. bnx2x_cl45_write(bp, phy,
  7711. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7712. 0);
  7713. bnx2x_cl45_write(bp, phy,
  7714. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7715. /*
  7716. * Initially configure MOD_ABS to interrupt when module is
  7717. * presence( bit 8)
  7718. */
  7719. bnx2x_cl45_read(bp, phy,
  7720. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7721. /*
  7722. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7723. * When the EDC is off it locks onto a reference clock and avoids
  7724. * becoming 'lost'
  7725. */
  7726. mod_abs &= ~(1<<8);
  7727. if (!(phy->flags & FLAGS_NOC))
  7728. mod_abs &= ~(1<<9);
  7729. bnx2x_cl45_write(bp, phy,
  7730. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7731. /* Enable/Disable PHY transmitter output */
  7732. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7733. /* Make MOD_ABS give interrupt on change */
  7734. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7735. &val);
  7736. val |= (1<<12);
  7737. if (phy->flags & FLAGS_NOC)
  7738. val |= (3<<5);
  7739. /*
  7740. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7741. * status which reflect SFP+ module over-current
  7742. */
  7743. if (!(phy->flags & FLAGS_NOC))
  7744. val &= 0xff8f; /* Reset bits 4-6 */
  7745. bnx2x_cl45_write(bp, phy,
  7746. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7747. bnx2x_8727_power_module(bp, phy, 1);
  7748. bnx2x_cl45_read(bp, phy,
  7749. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7750. bnx2x_cl45_read(bp, phy,
  7751. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7752. /* Set option 1G speed */
  7753. if (phy->req_line_speed == SPEED_1000) {
  7754. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7755. bnx2x_cl45_write(bp, phy,
  7756. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7757. bnx2x_cl45_write(bp, phy,
  7758. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7759. bnx2x_cl45_read(bp, phy,
  7760. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7761. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7762. /*
  7763. * Power down the XAUI until link is up in case of dual-media
  7764. * and 1G
  7765. */
  7766. if (DUAL_MEDIA(params)) {
  7767. bnx2x_cl45_read(bp, phy,
  7768. MDIO_PMA_DEVAD,
  7769. MDIO_PMA_REG_8727_PCS_GP, &val);
  7770. val |= (3<<10);
  7771. bnx2x_cl45_write(bp, phy,
  7772. MDIO_PMA_DEVAD,
  7773. MDIO_PMA_REG_8727_PCS_GP, val);
  7774. }
  7775. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7776. ((phy->speed_cap_mask &
  7777. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7778. ((phy->speed_cap_mask &
  7779. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7780. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7781. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7784. bnx2x_cl45_write(bp, phy,
  7785. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7786. } else {
  7787. /*
  7788. * Since the 8727 has only single reset pin, need to set the 10G
  7789. * registers although it is default
  7790. */
  7791. bnx2x_cl45_write(bp, phy,
  7792. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7793. 0x0020);
  7794. bnx2x_cl45_write(bp, phy,
  7795. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7796. bnx2x_cl45_write(bp, phy,
  7797. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7798. bnx2x_cl45_write(bp, phy,
  7799. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7800. 0x0008);
  7801. }
  7802. /*
  7803. * Set 2-wire transfer rate of SFP+ module EEPROM
  7804. * to 100Khz since some DACs(direct attached cables) do
  7805. * not work at 400Khz.
  7806. */
  7807. bnx2x_cl45_write(bp, phy,
  7808. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7809. 0xa001);
  7810. /* Set TX PreEmphasis if needed */
  7811. if ((params->feature_config_flags &
  7812. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7813. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7814. phy->tx_preemphasis[0],
  7815. phy->tx_preemphasis[1]);
  7816. bnx2x_cl45_write(bp, phy,
  7817. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7818. phy->tx_preemphasis[0]);
  7819. bnx2x_cl45_write(bp, phy,
  7820. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7821. phy->tx_preemphasis[1]);
  7822. }
  7823. /*
  7824. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7825. * power mode, if TX Laser is disabled
  7826. */
  7827. tx_en_mode = REG_RD(bp, params->shmem_base +
  7828. offsetof(struct shmem_region,
  7829. dev_info.port_hw_config[params->port].sfp_ctrl))
  7830. & PORT_HW_CFG_TX_LASER_MASK;
  7831. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7832. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7833. bnx2x_cl45_read(bp, phy,
  7834. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7835. tmp2 |= 0x1000;
  7836. tmp2 &= 0xFFEF;
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7839. }
  7840. return 0;
  7841. }
  7842. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7843. struct link_params *params)
  7844. {
  7845. struct bnx2x *bp = params->bp;
  7846. u16 mod_abs, rx_alarm_status;
  7847. u32 val = REG_RD(bp, params->shmem_base +
  7848. offsetof(struct shmem_region, dev_info.
  7849. port_feature_config[params->port].
  7850. config));
  7851. bnx2x_cl45_read(bp, phy,
  7852. MDIO_PMA_DEVAD,
  7853. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7854. if (mod_abs & (1<<8)) {
  7855. /* Module is absent */
  7856. DP(NETIF_MSG_LINK,
  7857. "MOD_ABS indication show module is absent\n");
  7858. phy->media_type = ETH_PHY_NOT_PRESENT;
  7859. /*
  7860. * 1. Set mod_abs to detect next module
  7861. * presence event
  7862. * 2. Set EDC off by setting OPTXLOS signal input to low
  7863. * (bit 9).
  7864. * When the EDC is off it locks onto a reference clock and
  7865. * avoids becoming 'lost'.
  7866. */
  7867. mod_abs &= ~(1<<8);
  7868. if (!(phy->flags & FLAGS_NOC))
  7869. mod_abs &= ~(1<<9);
  7870. bnx2x_cl45_write(bp, phy,
  7871. MDIO_PMA_DEVAD,
  7872. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7873. /*
  7874. * Clear RX alarm since it stays up as long as
  7875. * the mod_abs wasn't changed
  7876. */
  7877. bnx2x_cl45_read(bp, phy,
  7878. MDIO_PMA_DEVAD,
  7879. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7880. } else {
  7881. /* Module is present */
  7882. DP(NETIF_MSG_LINK,
  7883. "MOD_ABS indication show module is present\n");
  7884. /*
  7885. * First disable transmitter, and if the module is ok, the
  7886. * module_detection will enable it
  7887. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7888. * 2. Restore the default polarity of the OPRXLOS signal and
  7889. * this signal will then correctly indicate the presence or
  7890. * absence of the Rx signal. (bit 9)
  7891. */
  7892. mod_abs |= (1<<8);
  7893. if (!(phy->flags & FLAGS_NOC))
  7894. mod_abs |= (1<<9);
  7895. bnx2x_cl45_write(bp, phy,
  7896. MDIO_PMA_DEVAD,
  7897. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7898. /*
  7899. * Clear RX alarm since it stays up as long as the mod_abs
  7900. * wasn't changed. This is need to be done before calling the
  7901. * module detection, otherwise it will clear* the link update
  7902. * alarm
  7903. */
  7904. bnx2x_cl45_read(bp, phy,
  7905. MDIO_PMA_DEVAD,
  7906. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7907. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7908. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7909. bnx2x_sfp_set_transmitter(params, phy, 0);
  7910. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7911. bnx2x_sfp_module_detection(phy, params);
  7912. else
  7913. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7914. }
  7915. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7916. rx_alarm_status);
  7917. /* No need to check link status in case of module plugged in/out */
  7918. }
  7919. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7920. struct link_params *params,
  7921. struct link_vars *vars)
  7922. {
  7923. struct bnx2x *bp = params->bp;
  7924. u8 link_up = 0, oc_port = params->port;
  7925. u16 link_status = 0;
  7926. u16 rx_alarm_status, lasi_ctrl, val1;
  7927. /* If PHY is not initialized, do not check link status */
  7928. bnx2x_cl45_read(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7930. &lasi_ctrl);
  7931. if (!lasi_ctrl)
  7932. return 0;
  7933. /* Check the LASI on Rx */
  7934. bnx2x_cl45_read(bp, phy,
  7935. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7936. &rx_alarm_status);
  7937. vars->line_speed = 0;
  7938. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7939. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7940. MDIO_PMA_LASI_TXCTRL);
  7941. bnx2x_cl45_read(bp, phy,
  7942. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7943. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7944. /* Clear MSG-OUT */
  7945. bnx2x_cl45_read(bp, phy,
  7946. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7947. /*
  7948. * If a module is present and there is need to check
  7949. * for over current
  7950. */
  7951. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7952. /* Check over-current using 8727 GPIO0 input*/
  7953. bnx2x_cl45_read(bp, phy,
  7954. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7955. &val1);
  7956. if ((val1 & (1<<8)) == 0) {
  7957. if (!CHIP_IS_E1x(bp))
  7958. oc_port = BP_PATH(bp) + (params->port << 1);
  7959. DP(NETIF_MSG_LINK,
  7960. "8727 Power fault has been detected on port %d\n",
  7961. oc_port);
  7962. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7963. " been detected and the power to "
  7964. "that SFP+ module has been removed"
  7965. " to prevent failure of the card."
  7966. " Please remove the SFP+ module and"
  7967. " restart the system to clear this"
  7968. " error.\n",
  7969. oc_port);
  7970. /* Disable all RX_ALARMs except for mod_abs */
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD,
  7973. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7974. bnx2x_cl45_read(bp, phy,
  7975. MDIO_PMA_DEVAD,
  7976. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7977. /* Wait for module_absent_event */
  7978. val1 |= (1<<8);
  7979. bnx2x_cl45_write(bp, phy,
  7980. MDIO_PMA_DEVAD,
  7981. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7982. /* Clear RX alarm */
  7983. bnx2x_cl45_read(bp, phy,
  7984. MDIO_PMA_DEVAD,
  7985. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7986. return 0;
  7987. }
  7988. } /* Over current check */
  7989. /* When module absent bit is set, check module */
  7990. if (rx_alarm_status & (1<<5)) {
  7991. bnx2x_8727_handle_mod_abs(phy, params);
  7992. /* Enable all mod_abs and link detection bits */
  7993. bnx2x_cl45_write(bp, phy,
  7994. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7995. ((1<<5) | (1<<2)));
  7996. }
  7997. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7998. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7999. /* If transmitter is disabled, ignore false link up indication */
  8000. bnx2x_cl45_read(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8002. if (val1 & (1<<15)) {
  8003. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8004. return 0;
  8005. }
  8006. bnx2x_cl45_read(bp, phy,
  8007. MDIO_PMA_DEVAD,
  8008. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8009. /*
  8010. * Bits 0..2 --> speed detected,
  8011. * Bits 13..15--> link is down
  8012. */
  8013. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8014. link_up = 1;
  8015. vars->line_speed = SPEED_10000;
  8016. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8017. params->port);
  8018. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8019. link_up = 1;
  8020. vars->line_speed = SPEED_1000;
  8021. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8022. params->port);
  8023. } else {
  8024. link_up = 0;
  8025. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8026. params->port);
  8027. }
  8028. /* Capture 10G link fault. */
  8029. if (vars->line_speed == SPEED_10000) {
  8030. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8031. MDIO_PMA_LASI_TXSTAT, &val1);
  8032. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8033. MDIO_PMA_LASI_TXSTAT, &val1);
  8034. if (val1 & (1<<0)) {
  8035. vars->fault_detected = 1;
  8036. }
  8037. }
  8038. if (link_up) {
  8039. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8040. vars->duplex = DUPLEX_FULL;
  8041. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8042. }
  8043. if ((DUAL_MEDIA(params)) &&
  8044. (phy->req_line_speed == SPEED_1000)) {
  8045. bnx2x_cl45_read(bp, phy,
  8046. MDIO_PMA_DEVAD,
  8047. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8048. /*
  8049. * In case of dual-media board and 1G, power up the XAUI side,
  8050. * otherwise power it down. For 10G it is done automatically
  8051. */
  8052. if (link_up)
  8053. val1 &= ~(3<<10);
  8054. else
  8055. val1 |= (3<<10);
  8056. bnx2x_cl45_write(bp, phy,
  8057. MDIO_PMA_DEVAD,
  8058. MDIO_PMA_REG_8727_PCS_GP, val1);
  8059. }
  8060. return link_up;
  8061. }
  8062. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8063. struct link_params *params)
  8064. {
  8065. struct bnx2x *bp = params->bp;
  8066. /* Enable/Disable PHY transmitter output */
  8067. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8068. /* Disable Transmitter */
  8069. bnx2x_sfp_set_transmitter(params, phy, 0);
  8070. /* Clear LASI */
  8071. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8072. }
  8073. /******************************************************************/
  8074. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8075. /******************************************************************/
  8076. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8077. struct link_params *params)
  8078. {
  8079. u16 val, fw_ver1, fw_ver2, cnt;
  8080. u8 port;
  8081. struct bnx2x *bp = params->bp;
  8082. port = params->port;
  8083. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8084. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8085. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8086. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8087. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8088. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8089. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8090. for (cnt = 0; cnt < 100; cnt++) {
  8091. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8092. if (val & 1)
  8093. break;
  8094. udelay(5);
  8095. }
  8096. if (cnt == 100) {
  8097. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8098. bnx2x_save_spirom_version(bp, port, 0,
  8099. phy->ver_addr);
  8100. return;
  8101. }
  8102. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8103. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8104. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8105. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8106. for (cnt = 0; cnt < 100; cnt++) {
  8107. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8108. if (val & 1)
  8109. break;
  8110. udelay(5);
  8111. }
  8112. if (cnt == 100) {
  8113. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8114. bnx2x_save_spirom_version(bp, port, 0,
  8115. phy->ver_addr);
  8116. return;
  8117. }
  8118. /* lower 16 bits of the register SPI_FW_STATUS */
  8119. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8120. /* upper 16 bits of register SPI_FW_STATUS */
  8121. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8122. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8123. phy->ver_addr);
  8124. }
  8125. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8126. struct bnx2x_phy *phy)
  8127. {
  8128. u16 val;
  8129. /* PHYC_CTL_LED_CTL */
  8130. bnx2x_cl45_read(bp, phy,
  8131. MDIO_PMA_DEVAD,
  8132. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8133. val &= 0xFE00;
  8134. val |= 0x0092;
  8135. bnx2x_cl45_write(bp, phy,
  8136. MDIO_PMA_DEVAD,
  8137. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8138. bnx2x_cl45_write(bp, phy,
  8139. MDIO_PMA_DEVAD,
  8140. MDIO_PMA_REG_8481_LED1_MASK,
  8141. 0x80);
  8142. bnx2x_cl45_write(bp, phy,
  8143. MDIO_PMA_DEVAD,
  8144. MDIO_PMA_REG_8481_LED2_MASK,
  8145. 0x18);
  8146. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8147. bnx2x_cl45_write(bp, phy,
  8148. MDIO_PMA_DEVAD,
  8149. MDIO_PMA_REG_8481_LED3_MASK,
  8150. 0x0006);
  8151. /* Select the closest activity blink rate to that in 10/100/1000 */
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_PMA_DEVAD,
  8154. MDIO_PMA_REG_8481_LED3_BLINK,
  8155. 0);
  8156. bnx2x_cl45_read(bp, phy,
  8157. MDIO_PMA_DEVAD,
  8158. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8159. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8160. bnx2x_cl45_write(bp, phy,
  8161. MDIO_PMA_DEVAD,
  8162. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8163. /* 'Interrupt Mask' */
  8164. bnx2x_cl45_write(bp, phy,
  8165. MDIO_AN_DEVAD,
  8166. 0xFFFB, 0xFFFD);
  8167. }
  8168. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8169. struct link_params *params,
  8170. struct link_vars *vars)
  8171. {
  8172. struct bnx2x *bp = params->bp;
  8173. u16 autoneg_val, an_1000_val, an_10_100_val;
  8174. u16 tmp_req_line_speed;
  8175. tmp_req_line_speed = phy->req_line_speed;
  8176. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8177. if (phy->req_line_speed == SPEED_10000)
  8178. phy->req_line_speed = SPEED_AUTO_NEG;
  8179. /*
  8180. * This phy uses the NIG latch mechanism since link indication
  8181. * arrives through its LED4 and not via its LASI signal, so we
  8182. * get steady signal instead of clear on read
  8183. */
  8184. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8185. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8186. bnx2x_cl45_write(bp, phy,
  8187. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8188. bnx2x_848xx_set_led(bp, phy);
  8189. /* set 1000 speed advertisement */
  8190. bnx2x_cl45_read(bp, phy,
  8191. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8192. &an_1000_val);
  8193. bnx2x_ext_phy_set_pause(params, phy, vars);
  8194. bnx2x_cl45_read(bp, phy,
  8195. MDIO_AN_DEVAD,
  8196. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8197. &an_10_100_val);
  8198. bnx2x_cl45_read(bp, phy,
  8199. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8200. &autoneg_val);
  8201. /* Disable forced speed */
  8202. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8203. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8204. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8205. (phy->speed_cap_mask &
  8206. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8207. (phy->req_line_speed == SPEED_1000)) {
  8208. an_1000_val |= (1<<8);
  8209. autoneg_val |= (1<<9 | 1<<12);
  8210. if (phy->req_duplex == DUPLEX_FULL)
  8211. an_1000_val |= (1<<9);
  8212. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8213. } else
  8214. an_1000_val &= ~((1<<8) | (1<<9));
  8215. bnx2x_cl45_write(bp, phy,
  8216. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8217. an_1000_val);
  8218. /* set 100 speed advertisement */
  8219. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8220. (phy->speed_cap_mask &
  8221. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8222. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8223. (phy->supported &
  8224. (SUPPORTED_100baseT_Half |
  8225. SUPPORTED_100baseT_Full)))) {
  8226. an_10_100_val |= (1<<7);
  8227. /* Enable autoneg and restart autoneg for legacy speeds */
  8228. autoneg_val |= (1<<9 | 1<<12);
  8229. if (phy->req_duplex == DUPLEX_FULL)
  8230. an_10_100_val |= (1<<8);
  8231. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8232. }
  8233. /* set 10 speed advertisement */
  8234. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8235. (phy->speed_cap_mask &
  8236. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8237. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8238. (phy->supported &
  8239. (SUPPORTED_10baseT_Half |
  8240. SUPPORTED_10baseT_Full)))) {
  8241. an_10_100_val |= (1<<5);
  8242. autoneg_val |= (1<<9 | 1<<12);
  8243. if (phy->req_duplex == DUPLEX_FULL)
  8244. an_10_100_val |= (1<<6);
  8245. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8246. }
  8247. /* Only 10/100 are allowed to work in FORCE mode */
  8248. if ((phy->req_line_speed == SPEED_100) &&
  8249. (phy->supported &
  8250. (SUPPORTED_100baseT_Half |
  8251. SUPPORTED_100baseT_Full))) {
  8252. autoneg_val |= (1<<13);
  8253. /* Enabled AUTO-MDIX when autoneg is disabled */
  8254. bnx2x_cl45_write(bp, phy,
  8255. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8256. (1<<15 | 1<<9 | 7<<0));
  8257. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8258. }
  8259. if ((phy->req_line_speed == SPEED_10) &&
  8260. (phy->supported &
  8261. (SUPPORTED_10baseT_Half |
  8262. SUPPORTED_10baseT_Full))) {
  8263. /* Enabled AUTO-MDIX when autoneg is disabled */
  8264. bnx2x_cl45_write(bp, phy,
  8265. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8266. (1<<15 | 1<<9 | 7<<0));
  8267. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8268. }
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8271. an_10_100_val);
  8272. if (phy->req_duplex == DUPLEX_FULL)
  8273. autoneg_val |= (1<<8);
  8274. /*
  8275. * Always write this if this is not 84833.
  8276. * For 84833, write it only when it's a forced speed.
  8277. */
  8278. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8279. ((autoneg_val & (1<<12)) == 0))
  8280. bnx2x_cl45_write(bp, phy,
  8281. MDIO_AN_DEVAD,
  8282. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8283. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8284. (phy->speed_cap_mask &
  8285. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8286. (phy->req_line_speed == SPEED_10000)) {
  8287. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8288. /* Restart autoneg for 10G*/
  8289. bnx2x_cl45_write(bp, phy,
  8290. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8291. 0x3200);
  8292. } else
  8293. bnx2x_cl45_write(bp, phy,
  8294. MDIO_AN_DEVAD,
  8295. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8296. 1);
  8297. /* Save spirom version */
  8298. bnx2x_save_848xx_spirom_version(phy, params);
  8299. phy->req_line_speed = tmp_req_line_speed;
  8300. return 0;
  8301. }
  8302. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8303. struct link_params *params,
  8304. struct link_vars *vars)
  8305. {
  8306. struct bnx2x *bp = params->bp;
  8307. /* Restore normal power mode*/
  8308. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8309. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8310. /* HW reset */
  8311. bnx2x_ext_phy_hw_reset(bp, params->port);
  8312. bnx2x_wait_reset_complete(bp, phy, params);
  8313. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8314. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8315. }
  8316. #define PHY84833_HDSHK_WAIT 300
  8317. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8318. struct link_params *params,
  8319. struct link_vars *vars)
  8320. {
  8321. u32 idx;
  8322. u32 pair_swap;
  8323. u16 val;
  8324. u16 data;
  8325. struct bnx2x *bp = params->bp;
  8326. /* Do pair swap */
  8327. /* Check for configuration. */
  8328. pair_swap = REG_RD(bp, params->shmem_base +
  8329. offsetof(struct shmem_region,
  8330. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8331. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8332. if (pair_swap == 0)
  8333. return 0;
  8334. data = (u16)pair_swap;
  8335. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8336. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8337. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8338. PHY84833_CMD_OPEN_OVERRIDE);
  8339. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8340. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8341. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8342. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8343. break;
  8344. msleep(1);
  8345. }
  8346. if (idx >= PHY84833_HDSHK_WAIT) {
  8347. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8348. return -EINVAL;
  8349. }
  8350. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8351. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8352. data);
  8353. /* Issue pair swap command */
  8354. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8355. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8356. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8357. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8358. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8359. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8360. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8361. (val == PHY84833_CMD_COMPLETE_ERROR))
  8362. break;
  8363. msleep(1);
  8364. }
  8365. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8366. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8367. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8368. return -EINVAL;
  8369. }
  8370. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8371. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8372. PHY84833_CMD_CLEAR_COMPLETE);
  8373. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8374. return 0;
  8375. }
  8376. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8377. u32 shmem_base_path[],
  8378. u32 chip_id)
  8379. {
  8380. u32 reset_pin[2];
  8381. u32 idx;
  8382. u8 reset_gpios;
  8383. if (CHIP_IS_E3(bp)) {
  8384. /* Assume that these will be GPIOs, not EPIOs. */
  8385. for (idx = 0; idx < 2; idx++) {
  8386. /* Map config param to register bit. */
  8387. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8388. offsetof(struct shmem_region,
  8389. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8390. reset_pin[idx] = (reset_pin[idx] &
  8391. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8392. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8393. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8394. reset_pin[idx] = (1 << reset_pin[idx]);
  8395. }
  8396. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8397. } else {
  8398. /* E2, look from diff place of shmem. */
  8399. for (idx = 0; idx < 2; idx++) {
  8400. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8401. offsetof(struct shmem_region,
  8402. dev_info.port_hw_config[0].default_cfg));
  8403. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8404. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8405. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8406. reset_pin[idx] = (1 << reset_pin[idx]);
  8407. }
  8408. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8409. }
  8410. return reset_gpios;
  8411. }
  8412. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8413. struct link_params *params)
  8414. {
  8415. struct bnx2x *bp = params->bp;
  8416. u8 reset_gpios;
  8417. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8418. offsetof(struct shmem2_region,
  8419. other_shmem_base_addr));
  8420. u32 shmem_base_path[2];
  8421. shmem_base_path[0] = params->shmem_base;
  8422. shmem_base_path[1] = other_shmem_base_addr;
  8423. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8424. params->chip_id);
  8425. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8426. udelay(10);
  8427. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8428. reset_gpios);
  8429. return 0;
  8430. }
  8431. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8432. u32 shmem_base_path[],
  8433. u32 chip_id)
  8434. {
  8435. u8 reset_gpios;
  8436. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8437. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8438. udelay(10);
  8439. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8440. msleep(800);
  8441. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8442. reset_gpios);
  8443. return 0;
  8444. }
  8445. #define PHY84833_CONSTANT_LATENCY 1193
  8446. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8447. struct link_params *params,
  8448. struct link_vars *vars)
  8449. {
  8450. struct bnx2x *bp = params->bp;
  8451. u8 port, initialize = 1;
  8452. u16 val;
  8453. u16 temp;
  8454. u32 actual_phy_selection, cms_enable, idx;
  8455. int rc = 0;
  8456. msleep(1);
  8457. if (!(CHIP_IS_E1(bp)))
  8458. port = BP_PATH(bp);
  8459. else
  8460. port = params->port;
  8461. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8462. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8463. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8464. port);
  8465. } else {
  8466. /* MDIO reset */
  8467. bnx2x_cl45_write(bp, phy,
  8468. MDIO_PMA_DEVAD,
  8469. MDIO_PMA_REG_CTRL, 0x8000);
  8470. /* Bring PHY out of super isolate mode */
  8471. bnx2x_cl45_read(bp, phy,
  8472. MDIO_CTL_DEVAD,
  8473. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8474. val &= ~MDIO_84833_SUPER_ISOLATE;
  8475. bnx2x_cl45_write(bp, phy,
  8476. MDIO_CTL_DEVAD,
  8477. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8478. }
  8479. bnx2x_wait_reset_complete(bp, phy, params);
  8480. /* Wait for GPHY to come out of reset */
  8481. msleep(50);
  8482. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8483. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8484. /*
  8485. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8486. */
  8487. temp = vars->line_speed;
  8488. vars->line_speed = SPEED_10000;
  8489. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8490. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8491. vars->line_speed = temp;
  8492. /* Set dual-media configuration according to configuration */
  8493. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8494. MDIO_CTL_REG_84823_MEDIA, &val);
  8495. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8496. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8497. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8498. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8499. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8500. if (CHIP_IS_E3(bp)) {
  8501. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8502. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8503. } else {
  8504. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8505. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8506. }
  8507. actual_phy_selection = bnx2x_phy_selection(params);
  8508. switch (actual_phy_selection) {
  8509. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8510. /* Do nothing. Essentially this is like the priority copper */
  8511. break;
  8512. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8513. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8514. break;
  8515. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8516. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8517. break;
  8518. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8519. /* Do nothing here. The first PHY won't be initialized at all */
  8520. break;
  8521. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8522. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8523. initialize = 0;
  8524. break;
  8525. }
  8526. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8527. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8528. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8529. MDIO_CTL_REG_84823_MEDIA, val);
  8530. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8531. params->multi_phy_config, val);
  8532. /* AutogrEEEn */
  8533. if (params->feature_config_flags &
  8534. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8535. /* Ensure that f/w is ready */
  8536. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8537. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8538. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8539. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8540. break;
  8541. usleep_range(1000, 1000);
  8542. }
  8543. if (idx >= PHY84833_HDSHK_WAIT) {
  8544. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8545. return -EINVAL;
  8546. }
  8547. /* Select EEE mode */
  8548. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8549. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8550. 0x2);
  8551. /* Set Idle and Latency */
  8552. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8553. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8554. PHY84833_CONSTANT_LATENCY + 1);
  8555. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8556. MDIO_84833_TOP_CFG_DATA3_REG,
  8557. PHY84833_CONSTANT_LATENCY + 1);
  8558. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8559. MDIO_84833_TOP_CFG_DATA4_REG,
  8560. PHY84833_CONSTANT_LATENCY);
  8561. /* Send EEE instruction to command register */
  8562. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8563. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8564. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8565. /* Ensure that the command has completed */
  8566. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8567. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8568. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8569. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8570. (val == PHY84833_CMD_COMPLETE_ERROR))
  8571. break;
  8572. usleep_range(1000, 1000);
  8573. }
  8574. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8575. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8576. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8577. return -EINVAL;
  8578. }
  8579. /* Reset command handler */
  8580. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8581. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8582. PHY84833_CMD_CLEAR_COMPLETE);
  8583. }
  8584. if (initialize)
  8585. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8586. else
  8587. bnx2x_save_848xx_spirom_version(phy, params);
  8588. /* 84833 PHY has a better feature and doesn't need to support this. */
  8589. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8590. cms_enable = REG_RD(bp, params->shmem_base +
  8591. offsetof(struct shmem_region,
  8592. dev_info.port_hw_config[params->port].default_cfg)) &
  8593. PORT_HW_CFG_ENABLE_CMS_MASK;
  8594. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8595. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8596. if (cms_enable)
  8597. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8598. else
  8599. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8600. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8601. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8602. }
  8603. return rc;
  8604. }
  8605. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8606. struct link_params *params,
  8607. struct link_vars *vars)
  8608. {
  8609. struct bnx2x *bp = params->bp;
  8610. u16 val, val1, val2;
  8611. u8 link_up = 0;
  8612. /* Check 10G-BaseT link status */
  8613. /* Check PMD signal ok */
  8614. bnx2x_cl45_read(bp, phy,
  8615. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8616. bnx2x_cl45_read(bp, phy,
  8617. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8618. &val2);
  8619. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8620. /* Check link 10G */
  8621. if (val2 & (1<<11)) {
  8622. vars->line_speed = SPEED_10000;
  8623. vars->duplex = DUPLEX_FULL;
  8624. link_up = 1;
  8625. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8626. } else { /* Check Legacy speed link */
  8627. u16 legacy_status, legacy_speed;
  8628. /* Enable expansion register 0x42 (Operation mode status) */
  8629. bnx2x_cl45_write(bp, phy,
  8630. MDIO_AN_DEVAD,
  8631. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8632. /* Get legacy speed operation status */
  8633. bnx2x_cl45_read(bp, phy,
  8634. MDIO_AN_DEVAD,
  8635. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8636. &legacy_status);
  8637. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8638. legacy_status);
  8639. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8640. if (link_up) {
  8641. legacy_speed = (legacy_status & (3<<9));
  8642. if (legacy_speed == (0<<9))
  8643. vars->line_speed = SPEED_10;
  8644. else if (legacy_speed == (1<<9))
  8645. vars->line_speed = SPEED_100;
  8646. else if (legacy_speed == (2<<9))
  8647. vars->line_speed = SPEED_1000;
  8648. else /* Should not happen */
  8649. vars->line_speed = 0;
  8650. if (legacy_status & (1<<8))
  8651. vars->duplex = DUPLEX_FULL;
  8652. else
  8653. vars->duplex = DUPLEX_HALF;
  8654. DP(NETIF_MSG_LINK,
  8655. "Link is up in %dMbps, is_duplex_full= %d\n",
  8656. vars->line_speed,
  8657. (vars->duplex == DUPLEX_FULL));
  8658. /* Check legacy speed AN resolution */
  8659. bnx2x_cl45_read(bp, phy,
  8660. MDIO_AN_DEVAD,
  8661. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8662. &val);
  8663. if (val & (1<<5))
  8664. vars->link_status |=
  8665. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8666. bnx2x_cl45_read(bp, phy,
  8667. MDIO_AN_DEVAD,
  8668. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8669. &val);
  8670. if ((val & (1<<0)) == 0)
  8671. vars->link_status |=
  8672. LINK_STATUS_PARALLEL_DETECTION_USED;
  8673. }
  8674. }
  8675. if (link_up) {
  8676. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8677. vars->line_speed);
  8678. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8679. }
  8680. return link_up;
  8681. }
  8682. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8683. {
  8684. int status = 0;
  8685. u32 spirom_ver;
  8686. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8687. status = bnx2x_format_ver(spirom_ver, str, len);
  8688. return status;
  8689. }
  8690. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8691. struct link_params *params)
  8692. {
  8693. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8694. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8695. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8696. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8697. }
  8698. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8699. struct link_params *params)
  8700. {
  8701. bnx2x_cl45_write(params->bp, phy,
  8702. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8703. bnx2x_cl45_write(params->bp, phy,
  8704. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8705. }
  8706. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8707. struct link_params *params)
  8708. {
  8709. struct bnx2x *bp = params->bp;
  8710. u8 port;
  8711. u16 val16;
  8712. if (!(CHIP_IS_E1(bp)))
  8713. port = BP_PATH(bp);
  8714. else
  8715. port = params->port;
  8716. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8717. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8718. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8719. port);
  8720. } else {
  8721. bnx2x_cl45_read(bp, phy,
  8722. MDIO_CTL_DEVAD,
  8723. 0x400f, &val16);
  8724. bnx2x_cl45_write(bp, phy,
  8725. MDIO_PMA_DEVAD,
  8726. MDIO_PMA_REG_CTRL, 0x800);
  8727. }
  8728. }
  8729. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8730. struct link_params *params, u8 mode)
  8731. {
  8732. struct bnx2x *bp = params->bp;
  8733. u16 val;
  8734. u8 port;
  8735. if (!(CHIP_IS_E1(bp)))
  8736. port = BP_PATH(bp);
  8737. else
  8738. port = params->port;
  8739. switch (mode) {
  8740. case LED_MODE_OFF:
  8741. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8742. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8743. SHARED_HW_CFG_LED_EXTPHY1) {
  8744. /* Set LED masks */
  8745. bnx2x_cl45_write(bp, phy,
  8746. MDIO_PMA_DEVAD,
  8747. MDIO_PMA_REG_8481_LED1_MASK,
  8748. 0x0);
  8749. bnx2x_cl45_write(bp, phy,
  8750. MDIO_PMA_DEVAD,
  8751. MDIO_PMA_REG_8481_LED2_MASK,
  8752. 0x0);
  8753. bnx2x_cl45_write(bp, phy,
  8754. MDIO_PMA_DEVAD,
  8755. MDIO_PMA_REG_8481_LED3_MASK,
  8756. 0x0);
  8757. bnx2x_cl45_write(bp, phy,
  8758. MDIO_PMA_DEVAD,
  8759. MDIO_PMA_REG_8481_LED5_MASK,
  8760. 0x0);
  8761. } else {
  8762. bnx2x_cl45_write(bp, phy,
  8763. MDIO_PMA_DEVAD,
  8764. MDIO_PMA_REG_8481_LED1_MASK,
  8765. 0x0);
  8766. }
  8767. break;
  8768. case LED_MODE_FRONT_PANEL_OFF:
  8769. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8770. port);
  8771. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8772. SHARED_HW_CFG_LED_EXTPHY1) {
  8773. /* Set LED masks */
  8774. bnx2x_cl45_write(bp, phy,
  8775. MDIO_PMA_DEVAD,
  8776. MDIO_PMA_REG_8481_LED1_MASK,
  8777. 0x0);
  8778. bnx2x_cl45_write(bp, phy,
  8779. MDIO_PMA_DEVAD,
  8780. MDIO_PMA_REG_8481_LED2_MASK,
  8781. 0x0);
  8782. bnx2x_cl45_write(bp, phy,
  8783. MDIO_PMA_DEVAD,
  8784. MDIO_PMA_REG_8481_LED3_MASK,
  8785. 0x0);
  8786. bnx2x_cl45_write(bp, phy,
  8787. MDIO_PMA_DEVAD,
  8788. MDIO_PMA_REG_8481_LED5_MASK,
  8789. 0x20);
  8790. } else {
  8791. bnx2x_cl45_write(bp, phy,
  8792. MDIO_PMA_DEVAD,
  8793. MDIO_PMA_REG_8481_LED1_MASK,
  8794. 0x0);
  8795. }
  8796. break;
  8797. case LED_MODE_ON:
  8798. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8799. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8800. SHARED_HW_CFG_LED_EXTPHY1) {
  8801. /* Set control reg */
  8802. bnx2x_cl45_read(bp, phy,
  8803. MDIO_PMA_DEVAD,
  8804. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8805. &val);
  8806. val &= 0x8000;
  8807. val |= 0x2492;
  8808. bnx2x_cl45_write(bp, phy,
  8809. MDIO_PMA_DEVAD,
  8810. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8811. val);
  8812. /* Set LED masks */
  8813. bnx2x_cl45_write(bp, phy,
  8814. MDIO_PMA_DEVAD,
  8815. MDIO_PMA_REG_8481_LED1_MASK,
  8816. 0x0);
  8817. bnx2x_cl45_write(bp, phy,
  8818. MDIO_PMA_DEVAD,
  8819. MDIO_PMA_REG_8481_LED2_MASK,
  8820. 0x20);
  8821. bnx2x_cl45_write(bp, phy,
  8822. MDIO_PMA_DEVAD,
  8823. MDIO_PMA_REG_8481_LED3_MASK,
  8824. 0x20);
  8825. bnx2x_cl45_write(bp, phy,
  8826. MDIO_PMA_DEVAD,
  8827. MDIO_PMA_REG_8481_LED5_MASK,
  8828. 0x0);
  8829. } else {
  8830. bnx2x_cl45_write(bp, phy,
  8831. MDIO_PMA_DEVAD,
  8832. MDIO_PMA_REG_8481_LED1_MASK,
  8833. 0x20);
  8834. }
  8835. break;
  8836. case LED_MODE_OPER:
  8837. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8838. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8839. SHARED_HW_CFG_LED_EXTPHY1) {
  8840. /* Set control reg */
  8841. bnx2x_cl45_read(bp, phy,
  8842. MDIO_PMA_DEVAD,
  8843. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8844. &val);
  8845. if (!((val &
  8846. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8847. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8848. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8849. bnx2x_cl45_write(bp, phy,
  8850. MDIO_PMA_DEVAD,
  8851. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8852. 0xa492);
  8853. }
  8854. /* Set LED masks */
  8855. bnx2x_cl45_write(bp, phy,
  8856. MDIO_PMA_DEVAD,
  8857. MDIO_PMA_REG_8481_LED1_MASK,
  8858. 0x10);
  8859. bnx2x_cl45_write(bp, phy,
  8860. MDIO_PMA_DEVAD,
  8861. MDIO_PMA_REG_8481_LED2_MASK,
  8862. 0x80);
  8863. bnx2x_cl45_write(bp, phy,
  8864. MDIO_PMA_DEVAD,
  8865. MDIO_PMA_REG_8481_LED3_MASK,
  8866. 0x98);
  8867. bnx2x_cl45_write(bp, phy,
  8868. MDIO_PMA_DEVAD,
  8869. MDIO_PMA_REG_8481_LED5_MASK,
  8870. 0x40);
  8871. } else {
  8872. bnx2x_cl45_write(bp, phy,
  8873. MDIO_PMA_DEVAD,
  8874. MDIO_PMA_REG_8481_LED1_MASK,
  8875. 0x80);
  8876. /* Tell LED3 to blink on source */
  8877. bnx2x_cl45_read(bp, phy,
  8878. MDIO_PMA_DEVAD,
  8879. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8880. &val);
  8881. val &= ~(7<<6);
  8882. val |= (1<<6); /* A83B[8:6]= 1 */
  8883. bnx2x_cl45_write(bp, phy,
  8884. MDIO_PMA_DEVAD,
  8885. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8886. val);
  8887. }
  8888. break;
  8889. }
  8890. /*
  8891. * This is a workaround for E3+84833 until autoneg
  8892. * restart is fixed in f/w
  8893. */
  8894. if (CHIP_IS_E3(bp)) {
  8895. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8896. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8897. }
  8898. }
  8899. /******************************************************************/
  8900. /* 54618SE PHY SECTION */
  8901. /******************************************************************/
  8902. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8903. struct link_params *params,
  8904. struct link_vars *vars)
  8905. {
  8906. struct bnx2x *bp = params->bp;
  8907. u8 port;
  8908. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8909. u32 cfg_pin;
  8910. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8911. usleep_range(1000, 1000);
  8912. /* This works with E3 only, no need to check the chip
  8913. before determining the port. */
  8914. port = params->port;
  8915. cfg_pin = (REG_RD(bp, params->shmem_base +
  8916. offsetof(struct shmem_region,
  8917. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8918. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8919. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8920. /* Drive pin high to bring the GPHY out of reset. */
  8921. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8922. /* wait for GPHY to reset */
  8923. msleep(50);
  8924. /* reset phy */
  8925. bnx2x_cl22_write(bp, phy,
  8926. MDIO_PMA_REG_CTRL, 0x8000);
  8927. bnx2x_wait_reset_complete(bp, phy, params);
  8928. /*wait for GPHY to reset */
  8929. msleep(50);
  8930. /* Configure LED4: set to INTR (0x6). */
  8931. /* Accessing shadow register 0xe. */
  8932. bnx2x_cl22_write(bp, phy,
  8933. MDIO_REG_GPHY_SHADOW,
  8934. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8935. bnx2x_cl22_read(bp, phy,
  8936. MDIO_REG_GPHY_SHADOW,
  8937. &temp);
  8938. temp &= ~(0xf << 4);
  8939. temp |= (0x6 << 4);
  8940. bnx2x_cl22_write(bp, phy,
  8941. MDIO_REG_GPHY_SHADOW,
  8942. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8943. /* Configure INTR based on link status change. */
  8944. bnx2x_cl22_write(bp, phy,
  8945. MDIO_REG_INTR_MASK,
  8946. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8947. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8948. bnx2x_cl22_write(bp, phy,
  8949. MDIO_REG_GPHY_SHADOW,
  8950. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8951. bnx2x_cl22_read(bp, phy,
  8952. MDIO_REG_GPHY_SHADOW,
  8953. &temp);
  8954. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8955. bnx2x_cl22_write(bp, phy,
  8956. MDIO_REG_GPHY_SHADOW,
  8957. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8958. /* Set up fc */
  8959. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8960. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8961. fc_val = 0;
  8962. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8963. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8964. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8965. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8966. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8967. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8968. /* read all advertisement */
  8969. bnx2x_cl22_read(bp, phy,
  8970. 0x09,
  8971. &an_1000_val);
  8972. bnx2x_cl22_read(bp, phy,
  8973. 0x04,
  8974. &an_10_100_val);
  8975. bnx2x_cl22_read(bp, phy,
  8976. MDIO_PMA_REG_CTRL,
  8977. &autoneg_val);
  8978. /* Disable forced speed */
  8979. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8980. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8981. (1<<11));
  8982. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8983. (phy->speed_cap_mask &
  8984. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8985. (phy->req_line_speed == SPEED_1000)) {
  8986. an_1000_val |= (1<<8);
  8987. autoneg_val |= (1<<9 | 1<<12);
  8988. if (phy->req_duplex == DUPLEX_FULL)
  8989. an_1000_val |= (1<<9);
  8990. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8991. } else
  8992. an_1000_val &= ~((1<<8) | (1<<9));
  8993. bnx2x_cl22_write(bp, phy,
  8994. 0x09,
  8995. an_1000_val);
  8996. bnx2x_cl22_read(bp, phy,
  8997. 0x09,
  8998. &an_1000_val);
  8999. /* set 100 speed advertisement */
  9000. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9001. (phy->speed_cap_mask &
  9002. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9003. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9004. an_10_100_val |= (1<<7);
  9005. /* Enable autoneg and restart autoneg for legacy speeds */
  9006. autoneg_val |= (1<<9 | 1<<12);
  9007. if (phy->req_duplex == DUPLEX_FULL)
  9008. an_10_100_val |= (1<<8);
  9009. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9010. }
  9011. /* set 10 speed advertisement */
  9012. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9013. (phy->speed_cap_mask &
  9014. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9015. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9016. an_10_100_val |= (1<<5);
  9017. autoneg_val |= (1<<9 | 1<<12);
  9018. if (phy->req_duplex == DUPLEX_FULL)
  9019. an_10_100_val |= (1<<6);
  9020. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9021. }
  9022. /* Only 10/100 are allowed to work in FORCE mode */
  9023. if (phy->req_line_speed == SPEED_100) {
  9024. autoneg_val |= (1<<13);
  9025. /* Enabled AUTO-MDIX when autoneg is disabled */
  9026. bnx2x_cl22_write(bp, phy,
  9027. 0x18,
  9028. (1<<15 | 1<<9 | 7<<0));
  9029. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9030. }
  9031. if (phy->req_line_speed == SPEED_10) {
  9032. /* Enabled AUTO-MDIX when autoneg is disabled */
  9033. bnx2x_cl22_write(bp, phy,
  9034. 0x18,
  9035. (1<<15 | 1<<9 | 7<<0));
  9036. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9037. }
  9038. /* Check if we should turn on Auto-GrEEEn */
  9039. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9040. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9041. if (params->feature_config_flags &
  9042. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9043. temp = 6;
  9044. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9045. } else {
  9046. temp = 0;
  9047. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9048. }
  9049. bnx2x_cl22_write(bp, phy,
  9050. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9051. bnx2x_cl22_write(bp, phy,
  9052. MDIO_REG_GPHY_CL45_DATA_REG,
  9053. MDIO_REG_GPHY_EEE_ADV);
  9054. bnx2x_cl22_write(bp, phy,
  9055. MDIO_REG_GPHY_CL45_ADDR_REG,
  9056. (0x1 << 14) | MDIO_AN_DEVAD);
  9057. bnx2x_cl22_write(bp, phy,
  9058. MDIO_REG_GPHY_CL45_DATA_REG,
  9059. temp);
  9060. }
  9061. bnx2x_cl22_write(bp, phy,
  9062. 0x04,
  9063. an_10_100_val | fc_val);
  9064. if (phy->req_duplex == DUPLEX_FULL)
  9065. autoneg_val |= (1<<8);
  9066. bnx2x_cl22_write(bp, phy,
  9067. MDIO_PMA_REG_CTRL, autoneg_val);
  9068. return 0;
  9069. }
  9070. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  9071. struct link_params *params, u8 mode)
  9072. {
  9073. struct bnx2x *bp = params->bp;
  9074. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  9075. switch (mode) {
  9076. case LED_MODE_FRONT_PANEL_OFF:
  9077. case LED_MODE_OFF:
  9078. case LED_MODE_OPER:
  9079. case LED_MODE_ON:
  9080. default:
  9081. break;
  9082. }
  9083. return;
  9084. }
  9085. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9086. struct link_params *params)
  9087. {
  9088. struct bnx2x *bp = params->bp;
  9089. u32 cfg_pin;
  9090. u8 port;
  9091. /*
  9092. * In case of no EPIO routed to reset the GPHY, put it
  9093. * in low power mode.
  9094. */
  9095. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9096. /*
  9097. * This works with E3 only, no need to check the chip
  9098. * before determining the port.
  9099. */
  9100. port = params->port;
  9101. cfg_pin = (REG_RD(bp, params->shmem_base +
  9102. offsetof(struct shmem_region,
  9103. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9104. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9105. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9106. /* Drive pin low to put GPHY in reset. */
  9107. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9108. }
  9109. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9110. struct link_params *params,
  9111. struct link_vars *vars)
  9112. {
  9113. struct bnx2x *bp = params->bp;
  9114. u16 val;
  9115. u8 link_up = 0;
  9116. u16 legacy_status, legacy_speed;
  9117. /* Get speed operation status */
  9118. bnx2x_cl22_read(bp, phy,
  9119. 0x19,
  9120. &legacy_status);
  9121. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9122. /* Read status to clear the PHY interrupt. */
  9123. bnx2x_cl22_read(bp, phy,
  9124. MDIO_REG_INTR_STATUS,
  9125. &val);
  9126. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9127. if (link_up) {
  9128. legacy_speed = (legacy_status & (7<<8));
  9129. if (legacy_speed == (7<<8)) {
  9130. vars->line_speed = SPEED_1000;
  9131. vars->duplex = DUPLEX_FULL;
  9132. } else if (legacy_speed == (6<<8)) {
  9133. vars->line_speed = SPEED_1000;
  9134. vars->duplex = DUPLEX_HALF;
  9135. } else if (legacy_speed == (5<<8)) {
  9136. vars->line_speed = SPEED_100;
  9137. vars->duplex = DUPLEX_FULL;
  9138. }
  9139. /* Omitting 100Base-T4 for now */
  9140. else if (legacy_speed == (3<<8)) {
  9141. vars->line_speed = SPEED_100;
  9142. vars->duplex = DUPLEX_HALF;
  9143. } else if (legacy_speed == (2<<8)) {
  9144. vars->line_speed = SPEED_10;
  9145. vars->duplex = DUPLEX_FULL;
  9146. } else if (legacy_speed == (1<<8)) {
  9147. vars->line_speed = SPEED_10;
  9148. vars->duplex = DUPLEX_HALF;
  9149. } else /* Should not happen */
  9150. vars->line_speed = 0;
  9151. DP(NETIF_MSG_LINK,
  9152. "Link is up in %dMbps, is_duplex_full= %d\n",
  9153. vars->line_speed,
  9154. (vars->duplex == DUPLEX_FULL));
  9155. /* Check legacy speed AN resolution */
  9156. bnx2x_cl22_read(bp, phy,
  9157. 0x01,
  9158. &val);
  9159. if (val & (1<<5))
  9160. vars->link_status |=
  9161. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9162. bnx2x_cl22_read(bp, phy,
  9163. 0x06,
  9164. &val);
  9165. if ((val & (1<<0)) == 0)
  9166. vars->link_status |=
  9167. LINK_STATUS_PARALLEL_DETECTION_USED;
  9168. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9169. vars->line_speed);
  9170. /* Report whether EEE is resolved. */
  9171. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9172. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9173. if (vars->link_status &
  9174. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9175. val = 0;
  9176. else {
  9177. bnx2x_cl22_write(bp, phy,
  9178. MDIO_REG_GPHY_CL45_ADDR_REG,
  9179. MDIO_AN_DEVAD);
  9180. bnx2x_cl22_write(bp, phy,
  9181. MDIO_REG_GPHY_CL45_DATA_REG,
  9182. MDIO_REG_GPHY_EEE_RESOLVED);
  9183. bnx2x_cl22_write(bp, phy,
  9184. MDIO_REG_GPHY_CL45_ADDR_REG,
  9185. (0x1 << 14) | MDIO_AN_DEVAD);
  9186. bnx2x_cl22_read(bp, phy,
  9187. MDIO_REG_GPHY_CL45_DATA_REG,
  9188. &val);
  9189. }
  9190. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9191. }
  9192. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9193. }
  9194. return link_up;
  9195. }
  9196. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9197. struct link_params *params)
  9198. {
  9199. struct bnx2x *bp = params->bp;
  9200. u16 val;
  9201. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9202. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9203. /* Enable master/slave manual mmode and set to master */
  9204. /* mii write 9 [bits set 11 12] */
  9205. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9206. /* forced 1G and disable autoneg */
  9207. /* set val [mii read 0] */
  9208. /* set val [expr $val & [bits clear 6 12 13]] */
  9209. /* set val [expr $val | [bits set 6 8]] */
  9210. /* mii write 0 $val */
  9211. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9212. val &= ~((1<<6) | (1<<12) | (1<<13));
  9213. val |= (1<<6) | (1<<8);
  9214. bnx2x_cl22_write(bp, phy, 0x00, val);
  9215. /* Set external loopback and Tx using 6dB coding */
  9216. /* mii write 0x18 7 */
  9217. /* set val [mii read 0x18] */
  9218. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9219. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9220. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9221. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9222. /* This register opens the gate for the UMAC despite its name */
  9223. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9224. /*
  9225. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9226. * length used by the MAC receive logic to check frames.
  9227. */
  9228. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9229. }
  9230. /******************************************************************/
  9231. /* SFX7101 PHY SECTION */
  9232. /******************************************************************/
  9233. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9234. struct link_params *params)
  9235. {
  9236. struct bnx2x *bp = params->bp;
  9237. /* SFX7101_XGXS_TEST1 */
  9238. bnx2x_cl45_write(bp, phy,
  9239. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9240. }
  9241. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9242. struct link_params *params,
  9243. struct link_vars *vars)
  9244. {
  9245. u16 fw_ver1, fw_ver2, val;
  9246. struct bnx2x *bp = params->bp;
  9247. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9248. /* Restore normal power mode*/
  9249. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9250. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9251. /* HW reset */
  9252. bnx2x_ext_phy_hw_reset(bp, params->port);
  9253. bnx2x_wait_reset_complete(bp, phy, params);
  9254. bnx2x_cl45_write(bp, phy,
  9255. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9256. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9257. bnx2x_cl45_write(bp, phy,
  9258. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9259. bnx2x_ext_phy_set_pause(params, phy, vars);
  9260. /* Restart autoneg */
  9261. bnx2x_cl45_read(bp, phy,
  9262. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9263. val |= 0x200;
  9264. bnx2x_cl45_write(bp, phy,
  9265. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9266. /* Save spirom version */
  9267. bnx2x_cl45_read(bp, phy,
  9268. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9269. bnx2x_cl45_read(bp, phy,
  9270. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9271. bnx2x_save_spirom_version(bp, params->port,
  9272. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9273. return 0;
  9274. }
  9275. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9276. struct link_params *params,
  9277. struct link_vars *vars)
  9278. {
  9279. struct bnx2x *bp = params->bp;
  9280. u8 link_up;
  9281. u16 val1, val2;
  9282. bnx2x_cl45_read(bp, phy,
  9283. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9284. bnx2x_cl45_read(bp, phy,
  9285. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9286. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9287. val2, val1);
  9288. bnx2x_cl45_read(bp, phy,
  9289. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9290. bnx2x_cl45_read(bp, phy,
  9291. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9292. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9293. val2, val1);
  9294. link_up = ((val1 & 4) == 4);
  9295. /* if link is up print the AN outcome of the SFX7101 PHY */
  9296. if (link_up) {
  9297. bnx2x_cl45_read(bp, phy,
  9298. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9299. &val2);
  9300. vars->line_speed = SPEED_10000;
  9301. vars->duplex = DUPLEX_FULL;
  9302. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9303. val2, (val2 & (1<<14)));
  9304. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9305. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9306. }
  9307. return link_up;
  9308. }
  9309. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9310. {
  9311. if (*len < 5)
  9312. return -EINVAL;
  9313. str[0] = (spirom_ver & 0xFF);
  9314. str[1] = (spirom_ver & 0xFF00) >> 8;
  9315. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9316. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9317. str[4] = '\0';
  9318. *len -= 5;
  9319. return 0;
  9320. }
  9321. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9322. {
  9323. u16 val, cnt;
  9324. bnx2x_cl45_read(bp, phy,
  9325. MDIO_PMA_DEVAD,
  9326. MDIO_PMA_REG_7101_RESET, &val);
  9327. for (cnt = 0; cnt < 10; cnt++) {
  9328. msleep(50);
  9329. /* Writes a self-clearing reset */
  9330. bnx2x_cl45_write(bp, phy,
  9331. MDIO_PMA_DEVAD,
  9332. MDIO_PMA_REG_7101_RESET,
  9333. (val | (1<<15)));
  9334. /* Wait for clear */
  9335. bnx2x_cl45_read(bp, phy,
  9336. MDIO_PMA_DEVAD,
  9337. MDIO_PMA_REG_7101_RESET, &val);
  9338. if ((val & (1<<15)) == 0)
  9339. break;
  9340. }
  9341. }
  9342. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9343. struct link_params *params) {
  9344. /* Low power mode is controlled by GPIO 2 */
  9345. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9346. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9347. /* The PHY reset is controlled by GPIO 1 */
  9348. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9349. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9350. }
  9351. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9352. struct link_params *params, u8 mode)
  9353. {
  9354. u16 val = 0;
  9355. struct bnx2x *bp = params->bp;
  9356. switch (mode) {
  9357. case LED_MODE_FRONT_PANEL_OFF:
  9358. case LED_MODE_OFF:
  9359. val = 2;
  9360. break;
  9361. case LED_MODE_ON:
  9362. val = 1;
  9363. break;
  9364. case LED_MODE_OPER:
  9365. val = 0;
  9366. break;
  9367. }
  9368. bnx2x_cl45_write(bp, phy,
  9369. MDIO_PMA_DEVAD,
  9370. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9371. val);
  9372. }
  9373. /******************************************************************/
  9374. /* STATIC PHY DECLARATION */
  9375. /******************************************************************/
  9376. static struct bnx2x_phy phy_null = {
  9377. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9378. .addr = 0,
  9379. .def_md_devad = 0,
  9380. .flags = FLAGS_INIT_XGXS_FIRST,
  9381. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9382. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9383. .mdio_ctrl = 0,
  9384. .supported = 0,
  9385. .media_type = ETH_PHY_NOT_PRESENT,
  9386. .ver_addr = 0,
  9387. .req_flow_ctrl = 0,
  9388. .req_line_speed = 0,
  9389. .speed_cap_mask = 0,
  9390. .req_duplex = 0,
  9391. .rsrv = 0,
  9392. .config_init = (config_init_t)NULL,
  9393. .read_status = (read_status_t)NULL,
  9394. .link_reset = (link_reset_t)NULL,
  9395. .config_loopback = (config_loopback_t)NULL,
  9396. .format_fw_ver = (format_fw_ver_t)NULL,
  9397. .hw_reset = (hw_reset_t)NULL,
  9398. .set_link_led = (set_link_led_t)NULL,
  9399. .phy_specific_func = (phy_specific_func_t)NULL
  9400. };
  9401. static struct bnx2x_phy phy_serdes = {
  9402. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9403. .addr = 0xff,
  9404. .def_md_devad = 0,
  9405. .flags = 0,
  9406. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9407. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9408. .mdio_ctrl = 0,
  9409. .supported = (SUPPORTED_10baseT_Half |
  9410. SUPPORTED_10baseT_Full |
  9411. SUPPORTED_100baseT_Half |
  9412. SUPPORTED_100baseT_Full |
  9413. SUPPORTED_1000baseT_Full |
  9414. SUPPORTED_2500baseX_Full |
  9415. SUPPORTED_TP |
  9416. SUPPORTED_Autoneg |
  9417. SUPPORTED_Pause |
  9418. SUPPORTED_Asym_Pause),
  9419. .media_type = ETH_PHY_BASE_T,
  9420. .ver_addr = 0,
  9421. .req_flow_ctrl = 0,
  9422. .req_line_speed = 0,
  9423. .speed_cap_mask = 0,
  9424. .req_duplex = 0,
  9425. .rsrv = 0,
  9426. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9427. .read_status = (read_status_t)bnx2x_link_settings_status,
  9428. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9429. .config_loopback = (config_loopback_t)NULL,
  9430. .format_fw_ver = (format_fw_ver_t)NULL,
  9431. .hw_reset = (hw_reset_t)NULL,
  9432. .set_link_led = (set_link_led_t)NULL,
  9433. .phy_specific_func = (phy_specific_func_t)NULL
  9434. };
  9435. static struct bnx2x_phy phy_xgxs = {
  9436. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9437. .addr = 0xff,
  9438. .def_md_devad = 0,
  9439. .flags = 0,
  9440. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9441. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9442. .mdio_ctrl = 0,
  9443. .supported = (SUPPORTED_10baseT_Half |
  9444. SUPPORTED_10baseT_Full |
  9445. SUPPORTED_100baseT_Half |
  9446. SUPPORTED_100baseT_Full |
  9447. SUPPORTED_1000baseT_Full |
  9448. SUPPORTED_2500baseX_Full |
  9449. SUPPORTED_10000baseT_Full |
  9450. SUPPORTED_FIBRE |
  9451. SUPPORTED_Autoneg |
  9452. SUPPORTED_Pause |
  9453. SUPPORTED_Asym_Pause),
  9454. .media_type = ETH_PHY_CX4,
  9455. .ver_addr = 0,
  9456. .req_flow_ctrl = 0,
  9457. .req_line_speed = 0,
  9458. .speed_cap_mask = 0,
  9459. .req_duplex = 0,
  9460. .rsrv = 0,
  9461. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9462. .read_status = (read_status_t)bnx2x_link_settings_status,
  9463. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9464. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9465. .format_fw_ver = (format_fw_ver_t)NULL,
  9466. .hw_reset = (hw_reset_t)NULL,
  9467. .set_link_led = (set_link_led_t)NULL,
  9468. .phy_specific_func = (phy_specific_func_t)NULL
  9469. };
  9470. static struct bnx2x_phy phy_warpcore = {
  9471. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9472. .addr = 0xff,
  9473. .def_md_devad = 0,
  9474. .flags = FLAGS_HW_LOCK_REQUIRED,
  9475. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9476. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9477. .mdio_ctrl = 0,
  9478. .supported = (SUPPORTED_10baseT_Half |
  9479. SUPPORTED_10baseT_Full |
  9480. SUPPORTED_100baseT_Half |
  9481. SUPPORTED_100baseT_Full |
  9482. SUPPORTED_1000baseT_Full |
  9483. SUPPORTED_10000baseT_Full |
  9484. SUPPORTED_20000baseKR2_Full |
  9485. SUPPORTED_20000baseMLD2_Full |
  9486. SUPPORTED_FIBRE |
  9487. SUPPORTED_Autoneg |
  9488. SUPPORTED_Pause |
  9489. SUPPORTED_Asym_Pause),
  9490. .media_type = ETH_PHY_UNSPECIFIED,
  9491. .ver_addr = 0,
  9492. .req_flow_ctrl = 0,
  9493. .req_line_speed = 0,
  9494. .speed_cap_mask = 0,
  9495. /* req_duplex = */0,
  9496. /* rsrv = */0,
  9497. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9498. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9499. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9500. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9501. .format_fw_ver = (format_fw_ver_t)NULL,
  9502. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9503. .set_link_led = (set_link_led_t)NULL,
  9504. .phy_specific_func = (phy_specific_func_t)NULL
  9505. };
  9506. static struct bnx2x_phy phy_7101 = {
  9507. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9508. .addr = 0xff,
  9509. .def_md_devad = 0,
  9510. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9511. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9512. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9513. .mdio_ctrl = 0,
  9514. .supported = (SUPPORTED_10000baseT_Full |
  9515. SUPPORTED_TP |
  9516. SUPPORTED_Autoneg |
  9517. SUPPORTED_Pause |
  9518. SUPPORTED_Asym_Pause),
  9519. .media_type = ETH_PHY_BASE_T,
  9520. .ver_addr = 0,
  9521. .req_flow_ctrl = 0,
  9522. .req_line_speed = 0,
  9523. .speed_cap_mask = 0,
  9524. .req_duplex = 0,
  9525. .rsrv = 0,
  9526. .config_init = (config_init_t)bnx2x_7101_config_init,
  9527. .read_status = (read_status_t)bnx2x_7101_read_status,
  9528. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9529. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9530. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9531. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9532. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9533. .phy_specific_func = (phy_specific_func_t)NULL
  9534. };
  9535. static struct bnx2x_phy phy_8073 = {
  9536. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9537. .addr = 0xff,
  9538. .def_md_devad = 0,
  9539. .flags = FLAGS_HW_LOCK_REQUIRED,
  9540. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9541. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9542. .mdio_ctrl = 0,
  9543. .supported = (SUPPORTED_10000baseT_Full |
  9544. SUPPORTED_2500baseX_Full |
  9545. SUPPORTED_1000baseT_Full |
  9546. SUPPORTED_FIBRE |
  9547. SUPPORTED_Autoneg |
  9548. SUPPORTED_Pause |
  9549. SUPPORTED_Asym_Pause),
  9550. .media_type = ETH_PHY_KR,
  9551. .ver_addr = 0,
  9552. .req_flow_ctrl = 0,
  9553. .req_line_speed = 0,
  9554. .speed_cap_mask = 0,
  9555. .req_duplex = 0,
  9556. .rsrv = 0,
  9557. .config_init = (config_init_t)bnx2x_8073_config_init,
  9558. .read_status = (read_status_t)bnx2x_8073_read_status,
  9559. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9560. .config_loopback = (config_loopback_t)NULL,
  9561. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9562. .hw_reset = (hw_reset_t)NULL,
  9563. .set_link_led = (set_link_led_t)NULL,
  9564. .phy_specific_func = (phy_specific_func_t)NULL
  9565. };
  9566. static struct bnx2x_phy phy_8705 = {
  9567. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9568. .addr = 0xff,
  9569. .def_md_devad = 0,
  9570. .flags = FLAGS_INIT_XGXS_FIRST,
  9571. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9572. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9573. .mdio_ctrl = 0,
  9574. .supported = (SUPPORTED_10000baseT_Full |
  9575. SUPPORTED_FIBRE |
  9576. SUPPORTED_Pause |
  9577. SUPPORTED_Asym_Pause),
  9578. .media_type = ETH_PHY_XFP_FIBER,
  9579. .ver_addr = 0,
  9580. .req_flow_ctrl = 0,
  9581. .req_line_speed = 0,
  9582. .speed_cap_mask = 0,
  9583. .req_duplex = 0,
  9584. .rsrv = 0,
  9585. .config_init = (config_init_t)bnx2x_8705_config_init,
  9586. .read_status = (read_status_t)bnx2x_8705_read_status,
  9587. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9588. .config_loopback = (config_loopback_t)NULL,
  9589. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9590. .hw_reset = (hw_reset_t)NULL,
  9591. .set_link_led = (set_link_led_t)NULL,
  9592. .phy_specific_func = (phy_specific_func_t)NULL
  9593. };
  9594. static struct bnx2x_phy phy_8706 = {
  9595. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9596. .addr = 0xff,
  9597. .def_md_devad = 0,
  9598. .flags = FLAGS_INIT_XGXS_FIRST,
  9599. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9600. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9601. .mdio_ctrl = 0,
  9602. .supported = (SUPPORTED_10000baseT_Full |
  9603. SUPPORTED_1000baseT_Full |
  9604. SUPPORTED_FIBRE |
  9605. SUPPORTED_Pause |
  9606. SUPPORTED_Asym_Pause),
  9607. .media_type = ETH_PHY_SFP_FIBER,
  9608. .ver_addr = 0,
  9609. .req_flow_ctrl = 0,
  9610. .req_line_speed = 0,
  9611. .speed_cap_mask = 0,
  9612. .req_duplex = 0,
  9613. .rsrv = 0,
  9614. .config_init = (config_init_t)bnx2x_8706_config_init,
  9615. .read_status = (read_status_t)bnx2x_8706_read_status,
  9616. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9617. .config_loopback = (config_loopback_t)NULL,
  9618. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9619. .hw_reset = (hw_reset_t)NULL,
  9620. .set_link_led = (set_link_led_t)NULL,
  9621. .phy_specific_func = (phy_specific_func_t)NULL
  9622. };
  9623. static struct bnx2x_phy phy_8726 = {
  9624. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9625. .addr = 0xff,
  9626. .def_md_devad = 0,
  9627. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9628. FLAGS_INIT_XGXS_FIRST),
  9629. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9630. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9631. .mdio_ctrl = 0,
  9632. .supported = (SUPPORTED_10000baseT_Full |
  9633. SUPPORTED_1000baseT_Full |
  9634. SUPPORTED_Autoneg |
  9635. SUPPORTED_FIBRE |
  9636. SUPPORTED_Pause |
  9637. SUPPORTED_Asym_Pause),
  9638. .media_type = ETH_PHY_NOT_PRESENT,
  9639. .ver_addr = 0,
  9640. .req_flow_ctrl = 0,
  9641. .req_line_speed = 0,
  9642. .speed_cap_mask = 0,
  9643. .req_duplex = 0,
  9644. .rsrv = 0,
  9645. .config_init = (config_init_t)bnx2x_8726_config_init,
  9646. .read_status = (read_status_t)bnx2x_8726_read_status,
  9647. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9648. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9649. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9650. .hw_reset = (hw_reset_t)NULL,
  9651. .set_link_led = (set_link_led_t)NULL,
  9652. .phy_specific_func = (phy_specific_func_t)NULL
  9653. };
  9654. static struct bnx2x_phy phy_8727 = {
  9655. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9656. .addr = 0xff,
  9657. .def_md_devad = 0,
  9658. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9659. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9660. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9661. .mdio_ctrl = 0,
  9662. .supported = (SUPPORTED_10000baseT_Full |
  9663. SUPPORTED_1000baseT_Full |
  9664. SUPPORTED_FIBRE |
  9665. SUPPORTED_Pause |
  9666. SUPPORTED_Asym_Pause),
  9667. .media_type = ETH_PHY_NOT_PRESENT,
  9668. .ver_addr = 0,
  9669. .req_flow_ctrl = 0,
  9670. .req_line_speed = 0,
  9671. .speed_cap_mask = 0,
  9672. .req_duplex = 0,
  9673. .rsrv = 0,
  9674. .config_init = (config_init_t)bnx2x_8727_config_init,
  9675. .read_status = (read_status_t)bnx2x_8727_read_status,
  9676. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9677. .config_loopback = (config_loopback_t)NULL,
  9678. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9679. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9680. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9681. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9682. };
  9683. static struct bnx2x_phy phy_8481 = {
  9684. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9685. .addr = 0xff,
  9686. .def_md_devad = 0,
  9687. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9688. FLAGS_REARM_LATCH_SIGNAL,
  9689. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9690. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9691. .mdio_ctrl = 0,
  9692. .supported = (SUPPORTED_10baseT_Half |
  9693. SUPPORTED_10baseT_Full |
  9694. SUPPORTED_100baseT_Half |
  9695. SUPPORTED_100baseT_Full |
  9696. SUPPORTED_1000baseT_Full |
  9697. SUPPORTED_10000baseT_Full |
  9698. SUPPORTED_TP |
  9699. SUPPORTED_Autoneg |
  9700. SUPPORTED_Pause |
  9701. SUPPORTED_Asym_Pause),
  9702. .media_type = ETH_PHY_BASE_T,
  9703. .ver_addr = 0,
  9704. .req_flow_ctrl = 0,
  9705. .req_line_speed = 0,
  9706. .speed_cap_mask = 0,
  9707. .req_duplex = 0,
  9708. .rsrv = 0,
  9709. .config_init = (config_init_t)bnx2x_8481_config_init,
  9710. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9711. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9712. .config_loopback = (config_loopback_t)NULL,
  9713. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9714. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9715. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9716. .phy_specific_func = (phy_specific_func_t)NULL
  9717. };
  9718. static struct bnx2x_phy phy_84823 = {
  9719. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9720. .addr = 0xff,
  9721. .def_md_devad = 0,
  9722. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9723. FLAGS_REARM_LATCH_SIGNAL,
  9724. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9725. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9726. .mdio_ctrl = 0,
  9727. .supported = (SUPPORTED_10baseT_Half |
  9728. SUPPORTED_10baseT_Full |
  9729. SUPPORTED_100baseT_Half |
  9730. SUPPORTED_100baseT_Full |
  9731. SUPPORTED_1000baseT_Full |
  9732. SUPPORTED_10000baseT_Full |
  9733. SUPPORTED_TP |
  9734. SUPPORTED_Autoneg |
  9735. SUPPORTED_Pause |
  9736. SUPPORTED_Asym_Pause),
  9737. .media_type = ETH_PHY_BASE_T,
  9738. .ver_addr = 0,
  9739. .req_flow_ctrl = 0,
  9740. .req_line_speed = 0,
  9741. .speed_cap_mask = 0,
  9742. .req_duplex = 0,
  9743. .rsrv = 0,
  9744. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9745. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9746. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9747. .config_loopback = (config_loopback_t)NULL,
  9748. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9749. .hw_reset = (hw_reset_t)NULL,
  9750. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9751. .phy_specific_func = (phy_specific_func_t)NULL
  9752. };
  9753. static struct bnx2x_phy phy_84833 = {
  9754. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9755. .addr = 0xff,
  9756. .def_md_devad = 0,
  9757. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9758. FLAGS_REARM_LATCH_SIGNAL,
  9759. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9760. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9761. .mdio_ctrl = 0,
  9762. .supported = (SUPPORTED_100baseT_Half |
  9763. SUPPORTED_100baseT_Full |
  9764. SUPPORTED_1000baseT_Full |
  9765. SUPPORTED_10000baseT_Full |
  9766. SUPPORTED_TP |
  9767. SUPPORTED_Autoneg |
  9768. SUPPORTED_Pause |
  9769. SUPPORTED_Asym_Pause),
  9770. .media_type = ETH_PHY_BASE_T,
  9771. .ver_addr = 0,
  9772. .req_flow_ctrl = 0,
  9773. .req_line_speed = 0,
  9774. .speed_cap_mask = 0,
  9775. .req_duplex = 0,
  9776. .rsrv = 0,
  9777. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9778. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9779. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9780. .config_loopback = (config_loopback_t)NULL,
  9781. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9782. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9783. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9784. .phy_specific_func = (phy_specific_func_t)NULL
  9785. };
  9786. static struct bnx2x_phy phy_54618se = {
  9787. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9788. .addr = 0xff,
  9789. .def_md_devad = 0,
  9790. .flags = FLAGS_INIT_XGXS_FIRST,
  9791. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9792. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9793. .mdio_ctrl = 0,
  9794. .supported = (SUPPORTED_10baseT_Half |
  9795. SUPPORTED_10baseT_Full |
  9796. SUPPORTED_100baseT_Half |
  9797. SUPPORTED_100baseT_Full |
  9798. SUPPORTED_1000baseT_Full |
  9799. SUPPORTED_TP |
  9800. SUPPORTED_Autoneg |
  9801. SUPPORTED_Pause |
  9802. SUPPORTED_Asym_Pause),
  9803. .media_type = ETH_PHY_BASE_T,
  9804. .ver_addr = 0,
  9805. .req_flow_ctrl = 0,
  9806. .req_line_speed = 0,
  9807. .speed_cap_mask = 0,
  9808. /* req_duplex = */0,
  9809. /* rsrv = */0,
  9810. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9811. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9812. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9813. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9814. .format_fw_ver = (format_fw_ver_t)NULL,
  9815. .hw_reset = (hw_reset_t)NULL,
  9816. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9817. .phy_specific_func = (phy_specific_func_t)NULL
  9818. };
  9819. /*****************************************************************/
  9820. /* */
  9821. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9822. /* */
  9823. /*****************************************************************/
  9824. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9825. struct bnx2x_phy *phy, u8 port,
  9826. u8 phy_index)
  9827. {
  9828. /* Get the 4 lanes xgxs config rx and tx */
  9829. u32 rx = 0, tx = 0, i;
  9830. for (i = 0; i < 2; i++) {
  9831. /*
  9832. * INT_PHY and EXT_PHY1 share the same value location in the
  9833. * shmem. When num_phys is greater than 1, than this value
  9834. * applies only to EXT_PHY1
  9835. */
  9836. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9837. rx = REG_RD(bp, shmem_base +
  9838. offsetof(struct shmem_region,
  9839. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9840. tx = REG_RD(bp, shmem_base +
  9841. offsetof(struct shmem_region,
  9842. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9843. } else {
  9844. rx = REG_RD(bp, shmem_base +
  9845. offsetof(struct shmem_region,
  9846. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9847. tx = REG_RD(bp, shmem_base +
  9848. offsetof(struct shmem_region,
  9849. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9850. }
  9851. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9852. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9853. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9854. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9855. }
  9856. }
  9857. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9858. u8 phy_index, u8 port)
  9859. {
  9860. u32 ext_phy_config = 0;
  9861. switch (phy_index) {
  9862. case EXT_PHY1:
  9863. ext_phy_config = REG_RD(bp, shmem_base +
  9864. offsetof(struct shmem_region,
  9865. dev_info.port_hw_config[port].external_phy_config));
  9866. break;
  9867. case EXT_PHY2:
  9868. ext_phy_config = REG_RD(bp, shmem_base +
  9869. offsetof(struct shmem_region,
  9870. dev_info.port_hw_config[port].external_phy_config2));
  9871. break;
  9872. default:
  9873. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9874. return -EINVAL;
  9875. }
  9876. return ext_phy_config;
  9877. }
  9878. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9879. struct bnx2x_phy *phy)
  9880. {
  9881. u32 phy_addr;
  9882. u32 chip_id;
  9883. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9884. offsetof(struct shmem_region,
  9885. dev_info.port_feature_config[port].link_config)) &
  9886. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9887. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9888. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9889. if (USES_WARPCORE(bp)) {
  9890. u32 serdes_net_if;
  9891. phy_addr = REG_RD(bp,
  9892. MISC_REG_WC0_CTRL_PHY_ADDR);
  9893. *phy = phy_warpcore;
  9894. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9895. phy->flags |= FLAGS_4_PORT_MODE;
  9896. else
  9897. phy->flags &= ~FLAGS_4_PORT_MODE;
  9898. /* Check Dual mode */
  9899. serdes_net_if = (REG_RD(bp, shmem_base +
  9900. offsetof(struct shmem_region, dev_info.
  9901. port_hw_config[port].default_cfg)) &
  9902. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9903. /*
  9904. * Set the appropriate supported and flags indications per
  9905. * interface type of the chip
  9906. */
  9907. switch (serdes_net_if) {
  9908. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9909. phy->supported &= (SUPPORTED_10baseT_Half |
  9910. SUPPORTED_10baseT_Full |
  9911. SUPPORTED_100baseT_Half |
  9912. SUPPORTED_100baseT_Full |
  9913. SUPPORTED_1000baseT_Full |
  9914. SUPPORTED_FIBRE |
  9915. SUPPORTED_Autoneg |
  9916. SUPPORTED_Pause |
  9917. SUPPORTED_Asym_Pause);
  9918. phy->media_type = ETH_PHY_BASE_T;
  9919. break;
  9920. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9921. phy->media_type = ETH_PHY_XFP_FIBER;
  9922. break;
  9923. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9924. phy->supported &= (SUPPORTED_1000baseT_Full |
  9925. SUPPORTED_10000baseT_Full |
  9926. SUPPORTED_FIBRE |
  9927. SUPPORTED_Pause |
  9928. SUPPORTED_Asym_Pause);
  9929. phy->media_type = ETH_PHY_SFP_FIBER;
  9930. break;
  9931. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9932. phy->media_type = ETH_PHY_KR;
  9933. phy->supported &= (SUPPORTED_1000baseT_Full |
  9934. SUPPORTED_10000baseT_Full |
  9935. SUPPORTED_FIBRE |
  9936. SUPPORTED_Autoneg |
  9937. SUPPORTED_Pause |
  9938. SUPPORTED_Asym_Pause);
  9939. break;
  9940. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9941. phy->media_type = ETH_PHY_KR;
  9942. phy->flags |= FLAGS_WC_DUAL_MODE;
  9943. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9944. SUPPORTED_FIBRE |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause);
  9947. break;
  9948. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9949. phy->media_type = ETH_PHY_KR;
  9950. phy->flags |= FLAGS_WC_DUAL_MODE;
  9951. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9952. SUPPORTED_FIBRE |
  9953. SUPPORTED_Pause |
  9954. SUPPORTED_Asym_Pause);
  9955. break;
  9956. default:
  9957. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9958. serdes_net_if);
  9959. break;
  9960. }
  9961. /*
  9962. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9963. * was not set as expected. For B0, ECO will be enabled so there
  9964. * won't be an issue there
  9965. */
  9966. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9967. phy->flags |= FLAGS_MDC_MDIO_WA;
  9968. else
  9969. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9970. } else {
  9971. switch (switch_cfg) {
  9972. case SWITCH_CFG_1G:
  9973. phy_addr = REG_RD(bp,
  9974. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9975. port * 0x10);
  9976. *phy = phy_serdes;
  9977. break;
  9978. case SWITCH_CFG_10G:
  9979. phy_addr = REG_RD(bp,
  9980. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9981. port * 0x18);
  9982. *phy = phy_xgxs;
  9983. break;
  9984. default:
  9985. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9986. return -EINVAL;
  9987. }
  9988. }
  9989. phy->addr = (u8)phy_addr;
  9990. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9991. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9992. port);
  9993. if (CHIP_IS_E2(bp))
  9994. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9995. else
  9996. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9997. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9998. port, phy->addr, phy->mdio_ctrl);
  9999. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10000. return 0;
  10001. }
  10002. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10003. u8 phy_index,
  10004. u32 shmem_base,
  10005. u32 shmem2_base,
  10006. u8 port,
  10007. struct bnx2x_phy *phy)
  10008. {
  10009. u32 ext_phy_config, phy_type, config2;
  10010. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10011. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10012. phy_index, port);
  10013. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10014. /* Select the phy type */
  10015. switch (phy_type) {
  10016. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10017. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10018. *phy = phy_8073;
  10019. break;
  10020. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10021. *phy = phy_8705;
  10022. break;
  10023. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10024. *phy = phy_8706;
  10025. break;
  10026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10027. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10028. *phy = phy_8726;
  10029. break;
  10030. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10031. /* BCM8727_NOC => BCM8727 no over current */
  10032. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10033. *phy = phy_8727;
  10034. phy->flags |= FLAGS_NOC;
  10035. break;
  10036. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10037. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10038. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10039. *phy = phy_8727;
  10040. break;
  10041. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10042. *phy = phy_8481;
  10043. break;
  10044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10045. *phy = phy_84823;
  10046. break;
  10047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10048. *phy = phy_84833;
  10049. break;
  10050. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10051. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10052. *phy = phy_54618se;
  10053. break;
  10054. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10055. *phy = phy_7101;
  10056. break;
  10057. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10058. *phy = phy_null;
  10059. return -EINVAL;
  10060. default:
  10061. *phy = phy_null;
  10062. return 0;
  10063. }
  10064. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10065. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10066. /*
  10067. * The shmem address of the phy version is located on different
  10068. * structures. In case this structure is too old, do not set
  10069. * the address
  10070. */
  10071. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10072. dev_info.shared_hw_config.config2));
  10073. if (phy_index == EXT_PHY1) {
  10074. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10075. port_mb[port].ext_phy_fw_version);
  10076. /* Check specific mdc mdio settings */
  10077. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10078. mdc_mdio_access = config2 &
  10079. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10080. } else {
  10081. u32 size = REG_RD(bp, shmem2_base);
  10082. if (size >
  10083. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10084. phy->ver_addr = shmem2_base +
  10085. offsetof(struct shmem2_region,
  10086. ext_phy_fw_version2[port]);
  10087. }
  10088. /* Check specific mdc mdio settings */
  10089. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10090. mdc_mdio_access = (config2 &
  10091. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10092. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10093. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10094. }
  10095. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10096. /*
  10097. * In case mdc/mdio_access of the external phy is different than the
  10098. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10099. * to prevent one port interfere with another port's CL45 operations.
  10100. */
  10101. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10102. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10103. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10104. phy_type, port, phy_index);
  10105. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10106. phy->addr, phy->mdio_ctrl);
  10107. return 0;
  10108. }
  10109. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10110. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10111. {
  10112. int status = 0;
  10113. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10114. if (phy_index == INT_PHY)
  10115. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10116. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10117. port, phy);
  10118. return status;
  10119. }
  10120. static void bnx2x_phy_def_cfg(struct link_params *params,
  10121. struct bnx2x_phy *phy,
  10122. u8 phy_index)
  10123. {
  10124. struct bnx2x *bp = params->bp;
  10125. u32 link_config;
  10126. /* Populate the default phy configuration for MF mode */
  10127. if (phy_index == EXT_PHY2) {
  10128. link_config = REG_RD(bp, params->shmem_base +
  10129. offsetof(struct shmem_region, dev_info.
  10130. port_feature_config[params->port].link_config2));
  10131. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10132. offsetof(struct shmem_region,
  10133. dev_info.
  10134. port_hw_config[params->port].speed_capability_mask2));
  10135. } else {
  10136. link_config = REG_RD(bp, params->shmem_base +
  10137. offsetof(struct shmem_region, dev_info.
  10138. port_feature_config[params->port].link_config));
  10139. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10140. offsetof(struct shmem_region,
  10141. dev_info.
  10142. port_hw_config[params->port].speed_capability_mask));
  10143. }
  10144. DP(NETIF_MSG_LINK,
  10145. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10146. phy_index, link_config, phy->speed_cap_mask);
  10147. phy->req_duplex = DUPLEX_FULL;
  10148. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10149. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10150. phy->req_duplex = DUPLEX_HALF;
  10151. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10152. phy->req_line_speed = SPEED_10;
  10153. break;
  10154. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10155. phy->req_duplex = DUPLEX_HALF;
  10156. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10157. phy->req_line_speed = SPEED_100;
  10158. break;
  10159. case PORT_FEATURE_LINK_SPEED_1G:
  10160. phy->req_line_speed = SPEED_1000;
  10161. break;
  10162. case PORT_FEATURE_LINK_SPEED_2_5G:
  10163. phy->req_line_speed = SPEED_2500;
  10164. break;
  10165. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10166. phy->req_line_speed = SPEED_10000;
  10167. break;
  10168. default:
  10169. phy->req_line_speed = SPEED_AUTO_NEG;
  10170. break;
  10171. }
  10172. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10173. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10174. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10175. break;
  10176. case PORT_FEATURE_FLOW_CONTROL_TX:
  10177. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10178. break;
  10179. case PORT_FEATURE_FLOW_CONTROL_RX:
  10180. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10181. break;
  10182. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10183. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10184. break;
  10185. default:
  10186. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10187. break;
  10188. }
  10189. }
  10190. u32 bnx2x_phy_selection(struct link_params *params)
  10191. {
  10192. u32 phy_config_swapped, prio_cfg;
  10193. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10194. phy_config_swapped = params->multi_phy_config &
  10195. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10196. prio_cfg = params->multi_phy_config &
  10197. PORT_HW_CFG_PHY_SELECTION_MASK;
  10198. if (phy_config_swapped) {
  10199. switch (prio_cfg) {
  10200. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10201. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10202. break;
  10203. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10204. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10205. break;
  10206. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10207. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10208. break;
  10209. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10210. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10211. break;
  10212. }
  10213. } else
  10214. return_cfg = prio_cfg;
  10215. return return_cfg;
  10216. }
  10217. int bnx2x_phy_probe(struct link_params *params)
  10218. {
  10219. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10220. u32 phy_config_swapped, sync_offset, media_types;
  10221. struct bnx2x *bp = params->bp;
  10222. struct bnx2x_phy *phy;
  10223. params->num_phys = 0;
  10224. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10225. phy_config_swapped = params->multi_phy_config &
  10226. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10227. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10228. phy_index++) {
  10229. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10230. actual_phy_idx = phy_index;
  10231. if (phy_config_swapped) {
  10232. if (phy_index == EXT_PHY1)
  10233. actual_phy_idx = EXT_PHY2;
  10234. else if (phy_index == EXT_PHY2)
  10235. actual_phy_idx = EXT_PHY1;
  10236. }
  10237. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10238. " actual_phy_idx %x\n", phy_config_swapped,
  10239. phy_index, actual_phy_idx);
  10240. phy = &params->phy[actual_phy_idx];
  10241. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10242. params->shmem2_base, params->port,
  10243. phy) != 0) {
  10244. params->num_phys = 0;
  10245. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10246. phy_index);
  10247. for (phy_index = INT_PHY;
  10248. phy_index < MAX_PHYS;
  10249. phy_index++)
  10250. *phy = phy_null;
  10251. return -EINVAL;
  10252. }
  10253. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10254. break;
  10255. sync_offset = params->shmem_base +
  10256. offsetof(struct shmem_region,
  10257. dev_info.port_hw_config[params->port].media_type);
  10258. media_types = REG_RD(bp, sync_offset);
  10259. /*
  10260. * Update media type for non-PMF sync only for the first time
  10261. * In case the media type changes afterwards, it will be updated
  10262. * using the update_status function
  10263. */
  10264. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10265. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10266. actual_phy_idx))) == 0) {
  10267. media_types |= ((phy->media_type &
  10268. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10269. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10270. actual_phy_idx));
  10271. }
  10272. REG_WR(bp, sync_offset, media_types);
  10273. bnx2x_phy_def_cfg(params, phy, phy_index);
  10274. params->num_phys++;
  10275. }
  10276. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10277. return 0;
  10278. }
  10279. void bnx2x_init_bmac_loopback(struct link_params *params,
  10280. struct link_vars *vars)
  10281. {
  10282. struct bnx2x *bp = params->bp;
  10283. vars->link_up = 1;
  10284. vars->line_speed = SPEED_10000;
  10285. vars->duplex = DUPLEX_FULL;
  10286. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10287. vars->mac_type = MAC_TYPE_BMAC;
  10288. vars->phy_flags = PHY_XGXS_FLAG;
  10289. bnx2x_xgxs_deassert(params);
  10290. /* set bmac loopback */
  10291. bnx2x_bmac_enable(params, vars, 1);
  10292. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10293. }
  10294. void bnx2x_init_emac_loopback(struct link_params *params,
  10295. struct link_vars *vars)
  10296. {
  10297. struct bnx2x *bp = params->bp;
  10298. vars->link_up = 1;
  10299. vars->line_speed = SPEED_1000;
  10300. vars->duplex = DUPLEX_FULL;
  10301. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10302. vars->mac_type = MAC_TYPE_EMAC;
  10303. vars->phy_flags = PHY_XGXS_FLAG;
  10304. bnx2x_xgxs_deassert(params);
  10305. /* set bmac loopback */
  10306. bnx2x_emac_enable(params, vars, 1);
  10307. bnx2x_emac_program(params, vars);
  10308. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10309. }
  10310. void bnx2x_init_xmac_loopback(struct link_params *params,
  10311. struct link_vars *vars)
  10312. {
  10313. struct bnx2x *bp = params->bp;
  10314. vars->link_up = 1;
  10315. if (!params->req_line_speed[0])
  10316. vars->line_speed = SPEED_10000;
  10317. else
  10318. vars->line_speed = params->req_line_speed[0];
  10319. vars->duplex = DUPLEX_FULL;
  10320. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10321. vars->mac_type = MAC_TYPE_XMAC;
  10322. vars->phy_flags = PHY_XGXS_FLAG;
  10323. /*
  10324. * Set WC to loopback mode since link is required to provide clock
  10325. * to the XMAC in 20G mode
  10326. */
  10327. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10328. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10329. params->phy[INT_PHY].config_loopback(
  10330. &params->phy[INT_PHY],
  10331. params);
  10332. bnx2x_xmac_enable(params, vars, 1);
  10333. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10334. }
  10335. void bnx2x_init_umac_loopback(struct link_params *params,
  10336. struct link_vars *vars)
  10337. {
  10338. struct bnx2x *bp = params->bp;
  10339. vars->link_up = 1;
  10340. vars->line_speed = SPEED_1000;
  10341. vars->duplex = DUPLEX_FULL;
  10342. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10343. vars->mac_type = MAC_TYPE_UMAC;
  10344. vars->phy_flags = PHY_XGXS_FLAG;
  10345. bnx2x_umac_enable(params, vars, 1);
  10346. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10347. }
  10348. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10349. struct link_vars *vars)
  10350. {
  10351. struct bnx2x *bp = params->bp;
  10352. vars->link_up = 1;
  10353. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10354. vars->duplex = DUPLEX_FULL;
  10355. if (params->req_line_speed[0] == SPEED_1000)
  10356. vars->line_speed = SPEED_1000;
  10357. else
  10358. vars->line_speed = SPEED_10000;
  10359. if (!USES_WARPCORE(bp))
  10360. bnx2x_xgxs_deassert(params);
  10361. bnx2x_link_initialize(params, vars);
  10362. if (params->req_line_speed[0] == SPEED_1000) {
  10363. if (USES_WARPCORE(bp))
  10364. bnx2x_umac_enable(params, vars, 0);
  10365. else {
  10366. bnx2x_emac_program(params, vars);
  10367. bnx2x_emac_enable(params, vars, 0);
  10368. }
  10369. } else {
  10370. if (USES_WARPCORE(bp))
  10371. bnx2x_xmac_enable(params, vars, 0);
  10372. else
  10373. bnx2x_bmac_enable(params, vars, 0);
  10374. }
  10375. if (params->loopback_mode == LOOPBACK_XGXS) {
  10376. /* set 10G XGXS loopback */
  10377. params->phy[INT_PHY].config_loopback(
  10378. &params->phy[INT_PHY],
  10379. params);
  10380. } else {
  10381. /* set external phy loopback */
  10382. u8 phy_index;
  10383. for (phy_index = EXT_PHY1;
  10384. phy_index < params->num_phys; phy_index++) {
  10385. if (params->phy[phy_index].config_loopback)
  10386. params->phy[phy_index].config_loopback(
  10387. &params->phy[phy_index],
  10388. params);
  10389. }
  10390. }
  10391. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10392. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10393. }
  10394. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10395. {
  10396. struct bnx2x *bp = params->bp;
  10397. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10398. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10399. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10400. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10401. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10402. vars->link_status = 0;
  10403. vars->phy_link_up = 0;
  10404. vars->link_up = 0;
  10405. vars->line_speed = 0;
  10406. vars->duplex = DUPLEX_FULL;
  10407. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10408. vars->mac_type = MAC_TYPE_NONE;
  10409. vars->phy_flags = 0;
  10410. /* disable attentions */
  10411. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10412. (NIG_MASK_XGXS0_LINK_STATUS |
  10413. NIG_MASK_XGXS0_LINK10G |
  10414. NIG_MASK_SERDES0_LINK_STATUS |
  10415. NIG_MASK_MI_INT));
  10416. bnx2x_emac_init(params, vars);
  10417. if (params->num_phys == 0) {
  10418. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10419. return -EINVAL;
  10420. }
  10421. set_phy_vars(params, vars);
  10422. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10423. switch (params->loopback_mode) {
  10424. case LOOPBACK_BMAC:
  10425. bnx2x_init_bmac_loopback(params, vars);
  10426. break;
  10427. case LOOPBACK_EMAC:
  10428. bnx2x_init_emac_loopback(params, vars);
  10429. break;
  10430. case LOOPBACK_XMAC:
  10431. bnx2x_init_xmac_loopback(params, vars);
  10432. break;
  10433. case LOOPBACK_UMAC:
  10434. bnx2x_init_umac_loopback(params, vars);
  10435. break;
  10436. case LOOPBACK_XGXS:
  10437. case LOOPBACK_EXT_PHY:
  10438. bnx2x_init_xgxs_loopback(params, vars);
  10439. break;
  10440. default:
  10441. if (!CHIP_IS_E3(bp)) {
  10442. if (params->switch_cfg == SWITCH_CFG_10G)
  10443. bnx2x_xgxs_deassert(params);
  10444. else
  10445. bnx2x_serdes_deassert(bp, params->port);
  10446. }
  10447. bnx2x_link_initialize(params, vars);
  10448. msleep(30);
  10449. bnx2x_link_int_enable(params);
  10450. break;
  10451. }
  10452. return 0;
  10453. }
  10454. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10455. u8 reset_ext_phy)
  10456. {
  10457. struct bnx2x *bp = params->bp;
  10458. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10459. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10460. /* disable attentions */
  10461. vars->link_status = 0;
  10462. bnx2x_update_mng(params, vars->link_status);
  10463. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10464. (NIG_MASK_XGXS0_LINK_STATUS |
  10465. NIG_MASK_XGXS0_LINK10G |
  10466. NIG_MASK_SERDES0_LINK_STATUS |
  10467. NIG_MASK_MI_INT));
  10468. /* activate nig drain */
  10469. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10470. /* disable nig egress interface */
  10471. if (!CHIP_IS_E3(bp)) {
  10472. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10473. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10474. }
  10475. /* Stop BigMac rx */
  10476. if (!CHIP_IS_E3(bp))
  10477. bnx2x_bmac_rx_disable(bp, port);
  10478. else {
  10479. bnx2x_xmac_disable(params);
  10480. bnx2x_umac_disable(params);
  10481. }
  10482. /* disable emac */
  10483. if (!CHIP_IS_E3(bp))
  10484. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10485. msleep(10);
  10486. /* The PHY reset is controlled by GPIO 1
  10487. * Hold it as vars low
  10488. */
  10489. /* clear link led */
  10490. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10491. if (reset_ext_phy) {
  10492. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10493. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10494. phy_index++) {
  10495. if (params->phy[phy_index].link_reset) {
  10496. bnx2x_set_aer_mmd(params,
  10497. &params->phy[phy_index]);
  10498. params->phy[phy_index].link_reset(
  10499. &params->phy[phy_index],
  10500. params);
  10501. }
  10502. if (params->phy[phy_index].flags &
  10503. FLAGS_REARM_LATCH_SIGNAL)
  10504. clear_latch_ind = 1;
  10505. }
  10506. }
  10507. if (clear_latch_ind) {
  10508. /* Clear latching indication */
  10509. bnx2x_rearm_latch_signal(bp, port, 0);
  10510. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10511. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10512. }
  10513. if (params->phy[INT_PHY].link_reset)
  10514. params->phy[INT_PHY].link_reset(
  10515. &params->phy[INT_PHY], params);
  10516. /* disable nig ingress interface */
  10517. if (!CHIP_IS_E3(bp)) {
  10518. /* reset BigMac */
  10519. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10520. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10521. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10522. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10523. } else {
  10524. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10525. bnx2x_set_xumac_nig(params, 0, 0);
  10526. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10527. MISC_REGISTERS_RESET_REG_2_XMAC)
  10528. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10529. XMAC_CTRL_REG_SOFT_RESET);
  10530. }
  10531. vars->link_up = 0;
  10532. vars->phy_flags = 0;
  10533. return 0;
  10534. }
  10535. /****************************************************************************/
  10536. /* Common function */
  10537. /****************************************************************************/
  10538. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10539. u32 shmem_base_path[],
  10540. u32 shmem2_base_path[], u8 phy_index,
  10541. u32 chip_id)
  10542. {
  10543. struct bnx2x_phy phy[PORT_MAX];
  10544. struct bnx2x_phy *phy_blk[PORT_MAX];
  10545. u16 val;
  10546. s8 port = 0;
  10547. s8 port_of_path = 0;
  10548. u32 swap_val, swap_override;
  10549. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10550. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10551. port ^= (swap_val && swap_override);
  10552. bnx2x_ext_phy_hw_reset(bp, port);
  10553. /* PART1 - Reset both phys */
  10554. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10555. u32 shmem_base, shmem2_base;
  10556. /* In E2, same phy is using for port0 of the two paths */
  10557. if (CHIP_IS_E1x(bp)) {
  10558. shmem_base = shmem_base_path[0];
  10559. shmem2_base = shmem2_base_path[0];
  10560. port_of_path = port;
  10561. } else {
  10562. shmem_base = shmem_base_path[port];
  10563. shmem2_base = shmem2_base_path[port];
  10564. port_of_path = 0;
  10565. }
  10566. /* Extract the ext phy address for the port */
  10567. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10568. port_of_path, &phy[port]) !=
  10569. 0) {
  10570. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10571. return -EINVAL;
  10572. }
  10573. /* disable attentions */
  10574. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10575. port_of_path*4,
  10576. (NIG_MASK_XGXS0_LINK_STATUS |
  10577. NIG_MASK_XGXS0_LINK10G |
  10578. NIG_MASK_SERDES0_LINK_STATUS |
  10579. NIG_MASK_MI_INT));
  10580. /* Need to take the phy out of low power mode in order
  10581. to write to access its registers */
  10582. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10583. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10584. port);
  10585. /* Reset the phy */
  10586. bnx2x_cl45_write(bp, &phy[port],
  10587. MDIO_PMA_DEVAD,
  10588. MDIO_PMA_REG_CTRL,
  10589. 1<<15);
  10590. }
  10591. /* Add delay of 150ms after reset */
  10592. msleep(150);
  10593. if (phy[PORT_0].addr & 0x1) {
  10594. phy_blk[PORT_0] = &(phy[PORT_1]);
  10595. phy_blk[PORT_1] = &(phy[PORT_0]);
  10596. } else {
  10597. phy_blk[PORT_0] = &(phy[PORT_0]);
  10598. phy_blk[PORT_1] = &(phy[PORT_1]);
  10599. }
  10600. /* PART2 - Download firmware to both phys */
  10601. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10602. if (CHIP_IS_E1x(bp))
  10603. port_of_path = port;
  10604. else
  10605. port_of_path = 0;
  10606. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10607. phy_blk[port]->addr);
  10608. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10609. port_of_path))
  10610. return -EINVAL;
  10611. /* Only set bit 10 = 1 (Tx power down) */
  10612. bnx2x_cl45_read(bp, phy_blk[port],
  10613. MDIO_PMA_DEVAD,
  10614. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10615. /* Phase1 of TX_POWER_DOWN reset */
  10616. bnx2x_cl45_write(bp, phy_blk[port],
  10617. MDIO_PMA_DEVAD,
  10618. MDIO_PMA_REG_TX_POWER_DOWN,
  10619. (val | 1<<10));
  10620. }
  10621. /*
  10622. * Toggle Transmitter: Power down and then up with 600ms delay
  10623. * between
  10624. */
  10625. msleep(600);
  10626. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10627. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10628. /* Phase2 of POWER_DOWN_RESET */
  10629. /* Release bit 10 (Release Tx power down) */
  10630. bnx2x_cl45_read(bp, phy_blk[port],
  10631. MDIO_PMA_DEVAD,
  10632. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10633. bnx2x_cl45_write(bp, phy_blk[port],
  10634. MDIO_PMA_DEVAD,
  10635. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10636. msleep(15);
  10637. /* Read modify write the SPI-ROM version select register */
  10638. bnx2x_cl45_read(bp, phy_blk[port],
  10639. MDIO_PMA_DEVAD,
  10640. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10641. bnx2x_cl45_write(bp, phy_blk[port],
  10642. MDIO_PMA_DEVAD,
  10643. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10644. /* set GPIO2 back to LOW */
  10645. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10646. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10647. }
  10648. return 0;
  10649. }
  10650. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10651. u32 shmem_base_path[],
  10652. u32 shmem2_base_path[], u8 phy_index,
  10653. u32 chip_id)
  10654. {
  10655. u32 val;
  10656. s8 port;
  10657. struct bnx2x_phy phy;
  10658. /* Use port1 because of the static port-swap */
  10659. /* Enable the module detection interrupt */
  10660. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10661. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10662. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10663. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10664. bnx2x_ext_phy_hw_reset(bp, 0);
  10665. msleep(5);
  10666. for (port = 0; port < PORT_MAX; port++) {
  10667. u32 shmem_base, shmem2_base;
  10668. /* In E2, same phy is using for port0 of the two paths */
  10669. if (CHIP_IS_E1x(bp)) {
  10670. shmem_base = shmem_base_path[0];
  10671. shmem2_base = shmem2_base_path[0];
  10672. } else {
  10673. shmem_base = shmem_base_path[port];
  10674. shmem2_base = shmem2_base_path[port];
  10675. }
  10676. /* Extract the ext phy address for the port */
  10677. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10678. port, &phy) !=
  10679. 0) {
  10680. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10681. return -EINVAL;
  10682. }
  10683. /* Reset phy*/
  10684. bnx2x_cl45_write(bp, &phy,
  10685. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10686. /* Set fault module detected LED on */
  10687. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10688. MISC_REGISTERS_GPIO_HIGH,
  10689. port);
  10690. }
  10691. return 0;
  10692. }
  10693. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10694. u8 *io_gpio, u8 *io_port)
  10695. {
  10696. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10697. offsetof(struct shmem_region,
  10698. dev_info.port_hw_config[PORT_0].default_cfg));
  10699. switch (phy_gpio_reset) {
  10700. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10701. *io_gpio = 0;
  10702. *io_port = 0;
  10703. break;
  10704. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10705. *io_gpio = 1;
  10706. *io_port = 0;
  10707. break;
  10708. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10709. *io_gpio = 2;
  10710. *io_port = 0;
  10711. break;
  10712. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10713. *io_gpio = 3;
  10714. *io_port = 0;
  10715. break;
  10716. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10717. *io_gpio = 0;
  10718. *io_port = 1;
  10719. break;
  10720. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10721. *io_gpio = 1;
  10722. *io_port = 1;
  10723. break;
  10724. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10725. *io_gpio = 2;
  10726. *io_port = 1;
  10727. break;
  10728. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10729. *io_gpio = 3;
  10730. *io_port = 1;
  10731. break;
  10732. default:
  10733. /* Don't override the io_gpio and io_port */
  10734. break;
  10735. }
  10736. }
  10737. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10738. u32 shmem_base_path[],
  10739. u32 shmem2_base_path[], u8 phy_index,
  10740. u32 chip_id)
  10741. {
  10742. s8 port, reset_gpio;
  10743. u32 swap_val, swap_override;
  10744. struct bnx2x_phy phy[PORT_MAX];
  10745. struct bnx2x_phy *phy_blk[PORT_MAX];
  10746. s8 port_of_path;
  10747. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10748. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10749. reset_gpio = MISC_REGISTERS_GPIO_1;
  10750. port = 1;
  10751. /*
  10752. * Retrieve the reset gpio/port which control the reset.
  10753. * Default is GPIO1, PORT1
  10754. */
  10755. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10756. (u8 *)&reset_gpio, (u8 *)&port);
  10757. /* Calculate the port based on port swap */
  10758. port ^= (swap_val && swap_override);
  10759. /* Initiate PHY reset*/
  10760. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10761. port);
  10762. msleep(1);
  10763. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10764. port);
  10765. msleep(5);
  10766. /* PART1 - Reset both phys */
  10767. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10768. u32 shmem_base, shmem2_base;
  10769. /* In E2, same phy is using for port0 of the two paths */
  10770. if (CHIP_IS_E1x(bp)) {
  10771. shmem_base = shmem_base_path[0];
  10772. shmem2_base = shmem2_base_path[0];
  10773. port_of_path = port;
  10774. } else {
  10775. shmem_base = shmem_base_path[port];
  10776. shmem2_base = shmem2_base_path[port];
  10777. port_of_path = 0;
  10778. }
  10779. /* Extract the ext phy address for the port */
  10780. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10781. port_of_path, &phy[port]) !=
  10782. 0) {
  10783. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10784. return -EINVAL;
  10785. }
  10786. /* disable attentions */
  10787. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10788. port_of_path*4,
  10789. (NIG_MASK_XGXS0_LINK_STATUS |
  10790. NIG_MASK_XGXS0_LINK10G |
  10791. NIG_MASK_SERDES0_LINK_STATUS |
  10792. NIG_MASK_MI_INT));
  10793. /* Reset the phy */
  10794. bnx2x_cl45_write(bp, &phy[port],
  10795. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10796. }
  10797. /* Add delay of 150ms after reset */
  10798. msleep(150);
  10799. if (phy[PORT_0].addr & 0x1) {
  10800. phy_blk[PORT_0] = &(phy[PORT_1]);
  10801. phy_blk[PORT_1] = &(phy[PORT_0]);
  10802. } else {
  10803. phy_blk[PORT_0] = &(phy[PORT_0]);
  10804. phy_blk[PORT_1] = &(phy[PORT_1]);
  10805. }
  10806. /* PART2 - Download firmware to both phys */
  10807. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10808. if (CHIP_IS_E1x(bp))
  10809. port_of_path = port;
  10810. else
  10811. port_of_path = 0;
  10812. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10813. phy_blk[port]->addr);
  10814. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10815. port_of_path))
  10816. return -EINVAL;
  10817. /* Disable PHY transmitter output */
  10818. bnx2x_cl45_write(bp, phy_blk[port],
  10819. MDIO_PMA_DEVAD,
  10820. MDIO_PMA_REG_TX_DISABLE, 1);
  10821. }
  10822. return 0;
  10823. }
  10824. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10825. u32 shmem2_base_path[], u8 phy_index,
  10826. u32 ext_phy_type, u32 chip_id)
  10827. {
  10828. int rc = 0;
  10829. switch (ext_phy_type) {
  10830. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10831. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10832. shmem2_base_path,
  10833. phy_index, chip_id);
  10834. break;
  10835. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10836. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10837. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10838. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10839. shmem2_base_path,
  10840. phy_index, chip_id);
  10841. break;
  10842. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10843. /*
  10844. * GPIO1 affects both ports, so there's need to pull
  10845. * it for single port alone
  10846. */
  10847. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10848. shmem2_base_path,
  10849. phy_index, chip_id);
  10850. break;
  10851. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10852. /*
  10853. * GPIO3's are linked, and so both need to be toggled
  10854. * to obtain required 2us pulse.
  10855. */
  10856. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10857. break;
  10858. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10859. rc = -EINVAL;
  10860. break;
  10861. default:
  10862. DP(NETIF_MSG_LINK,
  10863. "ext_phy 0x%x common init not required\n",
  10864. ext_phy_type);
  10865. break;
  10866. }
  10867. if (rc != 0)
  10868. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10869. " Port %d\n",
  10870. 0);
  10871. return rc;
  10872. }
  10873. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10874. u32 shmem2_base_path[], u32 chip_id)
  10875. {
  10876. int rc = 0;
  10877. u32 phy_ver, val;
  10878. u8 phy_index = 0;
  10879. u32 ext_phy_type, ext_phy_config;
  10880. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10881. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10882. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10883. if (CHIP_IS_E3(bp)) {
  10884. /* Enable EPIO */
  10885. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10886. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10887. }
  10888. /* Check if common init was already done */
  10889. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10890. offsetof(struct shmem_region,
  10891. port_mb[PORT_0].ext_phy_fw_version));
  10892. if (phy_ver) {
  10893. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10894. phy_ver);
  10895. return 0;
  10896. }
  10897. /* Read the ext_phy_type for arbitrary port(0) */
  10898. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10899. phy_index++) {
  10900. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10901. shmem_base_path[0],
  10902. phy_index, 0);
  10903. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10904. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10905. shmem2_base_path,
  10906. phy_index, ext_phy_type,
  10907. chip_id);
  10908. }
  10909. return rc;
  10910. }
  10911. static void bnx2x_check_over_curr(struct link_params *params,
  10912. struct link_vars *vars)
  10913. {
  10914. struct bnx2x *bp = params->bp;
  10915. u32 cfg_pin;
  10916. u8 port = params->port;
  10917. u32 pin_val;
  10918. cfg_pin = (REG_RD(bp, params->shmem_base +
  10919. offsetof(struct shmem_region,
  10920. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10921. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10922. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10923. /* Ignore check if no external input PIN available */
  10924. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10925. return;
  10926. if (!pin_val) {
  10927. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10928. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10929. " been detected and the power to "
  10930. "that SFP+ module has been removed"
  10931. " to prevent failure of the card."
  10932. " Please remove the SFP+ module and"
  10933. " restart the system to clear this"
  10934. " error.\n",
  10935. params->port);
  10936. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10937. }
  10938. } else
  10939. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10940. }
  10941. static void bnx2x_analyze_link_error(struct link_params *params,
  10942. struct link_vars *vars, u32 lss_status)
  10943. {
  10944. struct bnx2x *bp = params->bp;
  10945. /* Compare new value with previous value */
  10946. u8 led_mode;
  10947. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10948. if ((lss_status ^ half_open_conn) == 0)
  10949. return;
  10950. /* If values differ */
  10951. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10952. half_open_conn, lss_status);
  10953. /*
  10954. * a. Update shmem->link_status accordingly
  10955. * b. Update link_vars->link_up
  10956. */
  10957. if (lss_status) {
  10958. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10959. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10960. vars->link_up = 0;
  10961. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10962. /*
  10963. * Set LED mode to off since the PHY doesn't know about these
  10964. * errors
  10965. */
  10966. led_mode = LED_MODE_OFF;
  10967. } else {
  10968. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10969. vars->link_status |= LINK_STATUS_LINK_UP;
  10970. vars->link_up = 1;
  10971. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10972. led_mode = LED_MODE_OPER;
  10973. }
  10974. /* Update the LED according to the link state */
  10975. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10976. /* Update link status in the shared memory */
  10977. bnx2x_update_mng(params, vars->link_status);
  10978. /* C. Trigger General Attention */
  10979. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10980. bnx2x_notify_link_changed(bp);
  10981. }
  10982. /******************************************************************************
  10983. * Description:
  10984. * This function checks for half opened connection change indication.
  10985. * When such change occurs, it calls the bnx2x_analyze_link_error
  10986. * to check if Remote Fault is set or cleared. Reception of remote fault
  10987. * status message in the MAC indicates that the peer's MAC has detected
  10988. * a fault, for example, due to break in the TX side of fiber.
  10989. *
  10990. ******************************************************************************/
  10991. static void bnx2x_check_half_open_conn(struct link_params *params,
  10992. struct link_vars *vars)
  10993. {
  10994. struct bnx2x *bp = params->bp;
  10995. u32 lss_status = 0;
  10996. u32 mac_base;
  10997. /* In case link status is physically up @ 10G do */
  10998. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10999. return;
  11000. if (CHIP_IS_E3(bp) &&
  11001. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11002. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11003. /* Check E3 XMAC */
  11004. /*
  11005. * Note that link speed cannot be queried here, since it may be
  11006. * zero while link is down. In case UMAC is active, LSS will
  11007. * simply not be set
  11008. */
  11009. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11010. /* Clear stick bits (Requires rising edge) */
  11011. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11012. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11013. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11014. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11015. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11016. lss_status = 1;
  11017. bnx2x_analyze_link_error(params, vars, lss_status);
  11018. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11019. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11020. /* Check E1X / E2 BMAC */
  11021. u32 lss_status_reg;
  11022. u32 wb_data[2];
  11023. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11024. NIG_REG_INGRESS_BMAC0_MEM;
  11025. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11026. if (CHIP_IS_E2(bp))
  11027. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11028. else
  11029. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11030. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11031. lss_status = (wb_data[0] > 0);
  11032. bnx2x_analyze_link_error(params, vars, lss_status);
  11033. }
  11034. }
  11035. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11036. {
  11037. struct bnx2x *bp = params->bp;
  11038. u16 phy_idx;
  11039. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11040. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11041. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11042. bnx2x_check_half_open_conn(params, vars);
  11043. break;
  11044. }
  11045. }
  11046. if (CHIP_IS_E3(bp)) {
  11047. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11048. bnx2x_set_aer_mmd(params, phy);
  11049. bnx2x_check_over_curr(params, vars);
  11050. bnx2x_warpcore_config_runtime(phy, params, vars);
  11051. }
  11052. }
  11053. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11054. {
  11055. u8 phy_index;
  11056. struct bnx2x_phy phy;
  11057. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11058. phy_index++) {
  11059. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11060. 0, &phy) != 0) {
  11061. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11062. return 0;
  11063. }
  11064. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11065. return 1;
  11066. }
  11067. return 0;
  11068. }
  11069. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11070. u32 shmem_base,
  11071. u32 shmem2_base,
  11072. u8 port)
  11073. {
  11074. u8 phy_index, fan_failure_det_req = 0;
  11075. struct bnx2x_phy phy;
  11076. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11077. phy_index++) {
  11078. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11079. port, &phy)
  11080. != 0) {
  11081. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11082. return 0;
  11083. }
  11084. fan_failure_det_req |= (phy.flags &
  11085. FLAGS_FAN_FAILURE_DET_REQ);
  11086. }
  11087. return fan_failure_det_req;
  11088. }
  11089. void bnx2x_hw_reset_phy(struct link_params *params)
  11090. {
  11091. u8 phy_index;
  11092. struct bnx2x *bp = params->bp;
  11093. bnx2x_update_mng(params, 0);
  11094. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11095. (NIG_MASK_XGXS0_LINK_STATUS |
  11096. NIG_MASK_XGXS0_LINK10G |
  11097. NIG_MASK_SERDES0_LINK_STATUS |
  11098. NIG_MASK_MI_INT));
  11099. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11100. phy_index++) {
  11101. if (params->phy[phy_index].hw_reset) {
  11102. params->phy[phy_index].hw_reset(
  11103. &params->phy[phy_index],
  11104. params);
  11105. params->phy[phy_index] = phy_null;
  11106. }
  11107. }
  11108. }
  11109. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11110. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11111. u8 port)
  11112. {
  11113. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11114. u32 val;
  11115. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11116. if (CHIP_IS_E3(bp)) {
  11117. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11118. shmem_base,
  11119. port,
  11120. &gpio_num,
  11121. &gpio_port) != 0)
  11122. return;
  11123. } else {
  11124. struct bnx2x_phy phy;
  11125. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11126. phy_index++) {
  11127. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11128. shmem2_base, port, &phy)
  11129. != 0) {
  11130. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11131. return;
  11132. }
  11133. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11134. gpio_num = MISC_REGISTERS_GPIO_3;
  11135. gpio_port = port;
  11136. break;
  11137. }
  11138. }
  11139. }
  11140. if (gpio_num == 0xff)
  11141. return;
  11142. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11143. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11144. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11145. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11146. gpio_port ^= (swap_val && swap_override);
  11147. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11148. (gpio_num + (gpio_port << 2));
  11149. sync_offset = shmem_base +
  11150. offsetof(struct shmem_region,
  11151. dev_info.port_hw_config[port].aeu_int_mask);
  11152. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11153. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11154. gpio_num, gpio_port, vars->aeu_int_mask);
  11155. if (port == 0)
  11156. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11157. else
  11158. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11159. /* Open appropriate AEU for interrupts */
  11160. aeu_mask = REG_RD(bp, offset);
  11161. aeu_mask |= vars->aeu_int_mask;
  11162. REG_WR(bp, offset, aeu_mask);
  11163. /* Enable the GPIO to trigger interrupt */
  11164. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11165. val |= 1 << (gpio_num + (gpio_port << 2));
  11166. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11167. }