bnx2x_link.c 355 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /***********************************************************/
  43. /* Shortcut definitions */
  44. /***********************************************************/
  45. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  46. #define NIG_STATUS_EMAC0_MI_INT \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  48. #define NIG_STATUS_XGXS0_LINK10G \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  50. #define NIG_STATUS_XGXS0_LINK_STATUS \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  52. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  54. #define NIG_STATUS_SERDES0_LINK_STATUS \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  56. #define NIG_MASK_MI_INT \
  57. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  58. #define NIG_MASK_XGXS0_LINK10G \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  60. #define NIG_MASK_XGXS0_LINK_STATUS \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  62. #define NIG_MASK_SERDES0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  64. #define MDIO_AN_CL73_OR_37_COMPLETE \
  65. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  66. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  67. #define XGXS_RESET_BITS \
  68. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  70. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  73. #define SERDES_RESET_BITS \
  74. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  78. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  79. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  80. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  81. #define AUTONEG_PARALLEL \
  82. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  83. #define AUTONEG_SGMII_FIBER_AUTODET \
  84. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  85. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  86. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  87. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  88. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  90. #define GP_STATUS_SPEED_MASK \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  92. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  93. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  94. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  95. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  96. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  97. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  98. #define GP_STATUS_10G_HIG \
  99. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  100. #define GP_STATUS_10G_CX4 \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  102. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  103. #define GP_STATUS_10G_KX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  105. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  106. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  107. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  108. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  109. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  110. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  111. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  112. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  113. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  114. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  115. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  116. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  117. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  118. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  119. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  120. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  121. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  122. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  123. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  124. /* */
  125. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  126. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  127. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  128. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  129. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  130. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  131. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  132. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  133. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  135. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  136. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  137. #define SFP_EEPROM_OPTIONS_SIZE 2
  138. #define EDC_MODE_LINEAR 0x0022
  139. #define EDC_MODE_LIMITING 0x0044
  140. #define EDC_MODE_PASSIVE_DAC 0x0055
  141. /* BRB thresholds for E2*/
  142. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  143. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  144. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  145. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  146. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  147. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  148. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  149. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  150. /* BRB thresholds for E3A0 */
  151. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  152. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  153. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  155. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  156. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  157. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  158. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  159. /* BRB thresholds for E3B0 2 port mode*/
  160. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  161. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  162. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  164. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  165. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  168. /* only for E3B0*/
  169. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  170. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  171. /* Lossy +Lossless GUARANTIED == GUART */
  172. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  173. /* Lossless +Lossless*/
  174. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  175. /* Lossy +Lossy*/
  176. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  177. /* Lossy +Lossless*/
  178. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  179. /* Lossless +Lossless*/
  180. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  181. /* Lossy +Lossy*/
  182. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  183. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  184. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  185. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  186. /* BRB thresholds for E3B0 4 port mode */
  187. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  188. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  189. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  191. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  192. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  193. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  195. /* only for E3B0*/
  196. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  197. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  198. #define PFC_E3B0_4P_LB_GUART 120
  199. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  200. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  201. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  202. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  203. #define DCBX_INVALID_COS (0xFF)
  204. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  205. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  206. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  207. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  208. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  209. #define MAX_PACKET_SIZE (9700)
  210. #define WC_UC_TIMEOUT 100
  211. /**********************************************************/
  212. /* INTERFACE */
  213. /**********************************************************/
  214. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  215. bnx2x_cl45_write(_bp, _phy, \
  216. (_phy)->def_md_devad, \
  217. (_bank + (_addr & 0xf)), \
  218. _val)
  219. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  220. bnx2x_cl45_read(_bp, _phy, \
  221. (_phy)->def_md_devad, \
  222. (_bank + (_addr & 0xf)), \
  223. _val)
  224. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  225. {
  226. u32 val = REG_RD(bp, reg);
  227. val |= bits;
  228. REG_WR(bp, reg, val);
  229. return val;
  230. }
  231. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  232. {
  233. u32 val = REG_RD(bp, reg);
  234. val &= ~bits;
  235. REG_WR(bp, reg, val);
  236. return val;
  237. }
  238. /******************************************************************/
  239. /* EPIO/GPIO section */
  240. /******************************************************************/
  241. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  242. {
  243. u32 epio_mask, gp_oenable;
  244. *en = 0;
  245. /* Sanity check */
  246. if (epio_pin > 31) {
  247. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  248. return;
  249. }
  250. epio_mask = 1 << epio_pin;
  251. /* Set this EPIO to output */
  252. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  253. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  254. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  255. }
  256. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  257. {
  258. u32 epio_mask, gp_output, gp_oenable;
  259. /* Sanity check */
  260. if (epio_pin > 31) {
  261. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  262. return;
  263. }
  264. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  265. epio_mask = 1 << epio_pin;
  266. /* Set this EPIO to output */
  267. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  268. if (en)
  269. gp_output |= epio_mask;
  270. else
  271. gp_output &= ~epio_mask;
  272. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  273. /* Set the value for this EPIO */
  274. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  275. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  276. }
  277. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  278. {
  279. if (pin_cfg == PIN_CFG_NA)
  280. return;
  281. if (pin_cfg >= PIN_CFG_EPIO0) {
  282. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  283. } else {
  284. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  285. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  286. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  287. }
  288. }
  289. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  290. {
  291. if (pin_cfg == PIN_CFG_NA)
  292. return -EINVAL;
  293. if (pin_cfg >= PIN_CFG_EPIO0) {
  294. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  295. } else {
  296. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  297. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  298. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  299. }
  300. return 0;
  301. }
  302. /******************************************************************/
  303. /* ETS section */
  304. /******************************************************************/
  305. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  306. {
  307. /* ETS disabled configuration*/
  308. struct bnx2x *bp = params->bp;
  309. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  310. /*
  311. * mapping between entry priority to client number (0,1,2 -debug and
  312. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  313. * 3bits client num.
  314. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  315. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  318. /*
  319. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  320. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  321. * COS0 entry, 4 - COS1 entry.
  322. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  323. * bit4 bit3 bit2 bit1 bit0
  324. * MCP and debug are strict
  325. */
  326. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  327. /* defines which entries (clients) are subjected to WFQ arbitration */
  328. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  329. /*
  330. * For strict priority entries defines the number of consecutive
  331. * slots for the highest priority.
  332. */
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  334. /*
  335. * mapping between the CREDIT_WEIGHT registers and actual client
  336. * numbers
  337. */
  338. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  339. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  340. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  341. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  343. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  344. /* ETS mode disable */
  345. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  346. /*
  347. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  348. * weight for COS0/COS1.
  349. */
  350. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  351. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  352. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  353. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  354. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  355. /* Defines the number of consecutive slots for the strict priority */
  356. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  357. }
  358. /******************************************************************************
  359. * Description:
  360. * Getting min_w_val will be set according to line speed .
  361. *.
  362. ******************************************************************************/
  363. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  364. {
  365. u32 min_w_val = 0;
  366. /* Calculate min_w_val.*/
  367. if (vars->link_up) {
  368. if (SPEED_20000 == vars->line_speed)
  369. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  370. else
  371. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  372. } else
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. /**
  375. * If the link isn't up (static configuration for example ) The
  376. * link will be according to 20GBPS.
  377. */
  378. return min_w_val;
  379. }
  380. /******************************************************************************
  381. * Description:
  382. * Getting credit upper bound form min_w_val.
  383. *.
  384. ******************************************************************************/
  385. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  386. {
  387. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  388. MAX_PACKET_SIZE);
  389. return credit_upper_bound;
  390. }
  391. /******************************************************************************
  392. * Description:
  393. * Set credit upper bound for NIG.
  394. *.
  395. ******************************************************************************/
  396. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  397. const struct link_params *params,
  398. const u32 min_w_val)
  399. {
  400. struct bnx2x *bp = params->bp;
  401. const u8 port = params->port;
  402. const u32 credit_upper_bound =
  403. bnx2x_ets_get_credit_upper_bound(min_w_val);
  404. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  405. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  406. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  407. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  416. if (0 == port) {
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  418. credit_upper_bound);
  419. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  420. credit_upper_bound);
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  422. credit_upper_bound);
  423. }
  424. }
  425. /******************************************************************************
  426. * Description:
  427. * Will return the NIG ETS registers to init values.Except
  428. * credit_upper_bound.
  429. * That isn't used in this configuration (No WFQ is enabled) and will be
  430. * configured acording to spec
  431. *.
  432. ******************************************************************************/
  433. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  434. const struct link_vars *vars)
  435. {
  436. struct bnx2x *bp = params->bp;
  437. const u8 port = params->port;
  438. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  439. /**
  440. * mapping between entry priority to client number (0,1,2 -debug and
  441. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  442. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  443. * reset value or init tool
  444. */
  445. if (port) {
  446. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  447. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  448. } else {
  449. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  450. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  451. }
  452. /**
  453. * For strict priority entries defines the number of consecutive
  454. * slots for the highest priority.
  455. */
  456. /* TODO_ETS - Should be done by reset value or init tool */
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  458. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  459. /**
  460. * mapping between the CREDIT_WEIGHT registers and actual client
  461. * numbers
  462. */
  463. /* TODO_ETS - Should be done by reset value or init tool */
  464. if (port) {
  465. /*Port 1 has 6 COS*/
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  467. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  468. } else {
  469. /*Port 0 has 9 COS*/
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  471. 0x43210876);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  473. }
  474. /**
  475. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  476. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  477. * COS0 entry, 4 - COS1 entry.
  478. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  479. * bit4 bit3 bit2 bit1 bit0
  480. * MCP and debug are strict
  481. */
  482. if (port)
  483. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  484. else
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  486. /* defines which entries (clients) are subjected to WFQ arbitration */
  487. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  488. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  489. /**
  490. * Please notice the register address are note continuous and a
  491. * for here is note appropriate.In 2 port mode port0 only COS0-5
  492. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  493. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  494. * are never used for WFQ
  495. */
  496. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  497. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  498. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  499. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  508. if (0 == port) {
  509. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  510. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  512. }
  513. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  514. }
  515. /******************************************************************************
  516. * Description:
  517. * Set credit upper bound for PBF.
  518. *.
  519. ******************************************************************************/
  520. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  521. const struct link_params *params,
  522. const u32 min_w_val)
  523. {
  524. struct bnx2x *bp = params->bp;
  525. const u32 credit_upper_bound =
  526. bnx2x_ets_get_credit_upper_bound(min_w_val);
  527. const u8 port = params->port;
  528. u32 base_upper_bound = 0;
  529. u8 max_cos = 0;
  530. u8 i = 0;
  531. /**
  532. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  533. * port mode port1 has COS0-2 that can be used for WFQ.
  534. */
  535. if (0 == port) {
  536. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  537. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  538. } else {
  539. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  540. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  541. }
  542. for (i = 0; i < max_cos; i++)
  543. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  544. }
  545. /******************************************************************************
  546. * Description:
  547. * Will return the PBF ETS registers to init values.Except
  548. * credit_upper_bound.
  549. * That isn't used in this configuration (No WFQ is enabled) and will be
  550. * configured acording to spec
  551. *.
  552. ******************************************************************************/
  553. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  554. {
  555. struct bnx2x *bp = params->bp;
  556. const u8 port = params->port;
  557. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  558. u8 i = 0;
  559. u32 base_weight = 0;
  560. u8 max_cos = 0;
  561. /**
  562. * mapping between entry priority to client number 0 - COS0
  563. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  564. * TODO_ETS - Should be done by reset value or init tool
  565. */
  566. if (port)
  567. /* 0x688 (|011|0 10|00 1|000) */
  568. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  569. else
  570. /* (10 1|100 |011|0 10|00 1|000) */
  571. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  572. /* TODO_ETS - Should be done by reset value or init tool */
  573. if (port)
  574. /* 0x688 (|011|0 10|00 1|000)*/
  575. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  576. else
  577. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  578. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  579. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  580. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  581. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  582. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  584. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  585. /**
  586. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  587. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  588. */
  589. if (0 == port) {
  590. base_weight = PBF_REG_COS0_WEIGHT_P0;
  591. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  592. } else {
  593. base_weight = PBF_REG_COS0_WEIGHT_P1;
  594. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  595. }
  596. for (i = 0; i < max_cos; i++)
  597. REG_WR(bp, base_weight + (0x4 * i), 0);
  598. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * E3B0 disable will return basicly the values to init values.
  603. *.
  604. ******************************************************************************/
  605. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  606. const struct link_vars *vars)
  607. {
  608. struct bnx2x *bp = params->bp;
  609. if (!CHIP_IS_E3B0(bp)) {
  610. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  611. "\n");
  612. return -EINVAL;
  613. }
  614. bnx2x_ets_e3b0_nig_disabled(params, vars);
  615. bnx2x_ets_e3b0_pbf_disabled(params);
  616. return 0;
  617. }
  618. /******************************************************************************
  619. * Description:
  620. * Disable will return basicly the values to init values.
  621. *.
  622. ******************************************************************************/
  623. int bnx2x_ets_disabled(struct link_params *params,
  624. struct link_vars *vars)
  625. {
  626. struct bnx2x *bp = params->bp;
  627. int bnx2x_status = 0;
  628. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  629. bnx2x_ets_e2e3a0_disabled(params);
  630. else if (CHIP_IS_E3B0(bp))
  631. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  632. else {
  633. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  634. return -EINVAL;
  635. }
  636. return bnx2x_status;
  637. }
  638. /******************************************************************************
  639. * Description
  640. * Set the COS mappimg to SP and BW until this point all the COS are not
  641. * set as SP or BW.
  642. ******************************************************************************/
  643. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  644. const struct bnx2x_ets_params *ets_params,
  645. const u8 cos_sp_bitmap,
  646. const u8 cos_bw_bitmap)
  647. {
  648. struct bnx2x *bp = params->bp;
  649. const u8 port = params->port;
  650. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  651. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  652. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  653. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  654. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  655. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  656. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  657. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  660. nig_cli_subject2wfq_bitmap);
  661. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  662. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  663. pbf_cli_subject2wfq_bitmap);
  664. return 0;
  665. }
  666. /******************************************************************************
  667. * Description:
  668. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  669. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  670. ******************************************************************************/
  671. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  672. const u8 cos_entry,
  673. const u32 min_w_val_nig,
  674. const u32 min_w_val_pbf,
  675. const u16 total_bw,
  676. const u8 bw,
  677. const u8 port)
  678. {
  679. u32 nig_reg_adress_crd_weight = 0;
  680. u32 pbf_reg_adress_crd_weight = 0;
  681. /* Calculate and set BW for this COS*/
  682. const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
  683. const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
  684. switch (cos_entry) {
  685. case 0:
  686. nig_reg_adress_crd_weight =
  687. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  688. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  689. pbf_reg_adress_crd_weight = (port) ?
  690. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  691. break;
  692. case 1:
  693. nig_reg_adress_crd_weight = (port) ?
  694. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  695. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  696. pbf_reg_adress_crd_weight = (port) ?
  697. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  698. break;
  699. case 2:
  700. nig_reg_adress_crd_weight = (port) ?
  701. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  702. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  703. pbf_reg_adress_crd_weight = (port) ?
  704. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  705. break;
  706. case 3:
  707. if (port)
  708. return -EINVAL;
  709. nig_reg_adress_crd_weight =
  710. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  711. pbf_reg_adress_crd_weight =
  712. PBF_REG_COS3_WEIGHT_P0;
  713. break;
  714. case 4:
  715. if (port)
  716. return -EINVAL;
  717. nig_reg_adress_crd_weight =
  718. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  719. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  720. break;
  721. case 5:
  722. if (port)
  723. return -EINVAL;
  724. nig_reg_adress_crd_weight =
  725. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  726. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  727. break;
  728. }
  729. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  730. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  731. return 0;
  732. }
  733. /******************************************************************************
  734. * Description:
  735. * Calculate the total BW.A value of 0 isn't legal.
  736. *.
  737. ******************************************************************************/
  738. static int bnx2x_ets_e3b0_get_total_bw(
  739. const struct link_params *params,
  740. const struct bnx2x_ets_params *ets_params,
  741. u16 *total_bw)
  742. {
  743. struct bnx2x *bp = params->bp;
  744. u8 cos_idx = 0;
  745. *total_bw = 0 ;
  746. /* Calculate total BW requested */
  747. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  748. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  749. if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
  750. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  751. "was set to 0\n");
  752. return -EINVAL;
  753. }
  754. *total_bw +=
  755. ets_params->cos[cos_idx].params.bw_params.bw;
  756. }
  757. }
  758. /*Check taotl BW is valid */
  759. if ((100 != *total_bw) || (0 == *total_bw)) {
  760. if (0 == *total_bw) {
  761. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
  762. "shouldn't be 0\n");
  763. return -EINVAL;
  764. }
  765. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
  766. "100\n");
  767. /**
  768. * We can handle a case whre the BW isn't 100 this can happen
  769. * if the TC are joined.
  770. */
  771. }
  772. return 0;
  773. }
  774. /******************************************************************************
  775. * Description:
  776. * Invalidate all the sp_pri_to_cos.
  777. *.
  778. ******************************************************************************/
  779. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  780. {
  781. u8 pri = 0;
  782. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  783. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  784. }
  785. /******************************************************************************
  786. * Description:
  787. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  788. * according to sp_pri_to_cos.
  789. *.
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  792. u8 *sp_pri_to_cos, const u8 pri,
  793. const u8 cos_entry)
  794. {
  795. struct bnx2x *bp = params->bp;
  796. const u8 port = params->port;
  797. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  798. DCBX_E3B0_MAX_NUM_COS_PORT0;
  799. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  800. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  801. "parameter There can't be two COS's with"
  802. "the same strict pri\n");
  803. return -EINVAL;
  804. }
  805. if (pri > max_num_of_cos) {
  806. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
  807. "parameter Illegal strict priority\n");
  808. return -EINVAL;
  809. }
  810. sp_pri_to_cos[pri] = cos_entry;
  811. return 0;
  812. }
  813. /******************************************************************************
  814. * Description:
  815. * Returns the correct value according to COS and priority in
  816. * the sp_pri_cli register.
  817. *.
  818. ******************************************************************************/
  819. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  820. const u8 pri_set,
  821. const u8 pri_offset,
  822. const u8 entry_size)
  823. {
  824. u64 pri_cli_nig = 0;
  825. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  826. (pri_set + pri_offset));
  827. return pri_cli_nig;
  828. }
  829. /******************************************************************************
  830. * Description:
  831. * Returns the correct value according to COS and priority in the
  832. * sp_pri_cli register for NIG.
  833. *.
  834. ******************************************************************************/
  835. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  836. {
  837. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  838. const u8 nig_cos_offset = 3;
  839. const u8 nig_pri_offset = 3;
  840. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  841. nig_pri_offset, 4);
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Returns the correct value according to COS and priority in the
  846. * sp_pri_cli register for PBF.
  847. *.
  848. ******************************************************************************/
  849. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  850. {
  851. const u8 pbf_cos_offset = 0;
  852. const u8 pbf_pri_offset = 0;
  853. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  854. pbf_pri_offset, 3);
  855. }
  856. /******************************************************************************
  857. * Description:
  858. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  859. * according to sp_pri_to_cos.(which COS has higher priority)
  860. *.
  861. ******************************************************************************/
  862. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  863. u8 *sp_pri_to_cos)
  864. {
  865. struct bnx2x *bp = params->bp;
  866. u8 i = 0;
  867. const u8 port = params->port;
  868. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  869. u64 pri_cli_nig = 0x210;
  870. u32 pri_cli_pbf = 0x0;
  871. u8 pri_set = 0;
  872. u8 pri_bitmask = 0;
  873. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  874. DCBX_E3B0_MAX_NUM_COS_PORT0;
  875. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  876. /* Set all the strict priority first */
  877. for (i = 0; i < max_num_of_cos; i++) {
  878. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  879. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  880. DP(NETIF_MSG_LINK,
  881. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  882. "invalid cos entry\n");
  883. return -EINVAL;
  884. }
  885. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  886. sp_pri_to_cos[i], pri_set);
  887. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  888. sp_pri_to_cos[i], pri_set);
  889. pri_bitmask = 1 << sp_pri_to_cos[i];
  890. /* COS is used remove it from bitmap.*/
  891. if (0 == (pri_bitmask & cos_bit_to_set)) {
  892. DP(NETIF_MSG_LINK,
  893. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  894. "invalid There can't be two COS's with"
  895. " the same strict pri\n");
  896. return -EINVAL;
  897. }
  898. cos_bit_to_set &= ~pri_bitmask;
  899. pri_set++;
  900. }
  901. }
  902. /* Set all the Non strict priority i= COS*/
  903. for (i = 0; i < max_num_of_cos; i++) {
  904. pri_bitmask = 1 << i;
  905. /* Check if COS was already used for SP */
  906. if (pri_bitmask & cos_bit_to_set) {
  907. /* COS wasn't used for SP */
  908. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  909. i, pri_set);
  910. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  911. i, pri_set);
  912. /* COS is used remove it from bitmap.*/
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. if (pri_set != max_num_of_cos) {
  918. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  919. "entries were set\n");
  920. return -EINVAL;
  921. }
  922. if (port) {
  923. /* Only 6 usable clients*/
  924. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  925. (u32)pri_cli_nig);
  926. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  927. } else {
  928. /* Only 9 usable clients*/
  929. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  930. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  931. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  932. pri_cli_nig_lsb);
  933. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  934. pri_cli_nig_msb);
  935. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  936. }
  937. return 0;
  938. }
  939. /******************************************************************************
  940. * Description:
  941. * Configure the COS to ETS according to BW and SP settings.
  942. ******************************************************************************/
  943. int bnx2x_ets_e3b0_config(const struct link_params *params,
  944. const struct link_vars *vars,
  945. const struct bnx2x_ets_params *ets_params)
  946. {
  947. struct bnx2x *bp = params->bp;
  948. int bnx2x_status = 0;
  949. const u8 port = params->port;
  950. u16 total_bw = 0;
  951. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  952. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  953. u8 cos_bw_bitmap = 0;
  954. u8 cos_sp_bitmap = 0;
  955. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  956. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  957. DCBX_E3B0_MAX_NUM_COS_PORT0;
  958. u8 cos_entry = 0;
  959. if (!CHIP_IS_E3B0(bp)) {
  960. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
  961. "\n");
  962. return -EINVAL;
  963. }
  964. if ((ets_params->num_of_cos > max_num_of_cos)) {
  965. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  966. "isn't supported\n");
  967. return -EINVAL;
  968. }
  969. /* Prepare sp strict priority parameters*/
  970. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  971. /* Prepare BW parameters*/
  972. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  973. &total_bw);
  974. if (0 != bnx2x_status) {
  975. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
  976. "\n");
  977. return -EINVAL;
  978. }
  979. /**
  980. * Upper bound is set according to current link speed (min_w_val
  981. * should be the same for upper bound and COS credit val).
  982. */
  983. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  984. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  985. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  986. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  987. cos_bw_bitmap |= (1 << cos_entry);
  988. /**
  989. * The function also sets the BW in HW(not the mappin
  990. * yet)
  991. */
  992. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  993. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  994. total_bw,
  995. ets_params->cos[cos_entry].params.bw_params.bw,
  996. port);
  997. } else if (bnx2x_cos_state_strict ==
  998. ets_params->cos[cos_entry].state){
  999. cos_sp_bitmap |= (1 << cos_entry);
  1000. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1001. params,
  1002. sp_pri_to_cos,
  1003. ets_params->cos[cos_entry].params.sp_params.pri,
  1004. cos_entry);
  1005. } else {
  1006. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
  1007. " valid\n");
  1008. return -EINVAL;
  1009. }
  1010. if (0 != bnx2x_status) {
  1011. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
  1012. "failed\n");
  1013. return bnx2x_status;
  1014. }
  1015. }
  1016. /* Set SP register (which COS has higher priority) */
  1017. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1018. sp_pri_to_cos);
  1019. if (0 != bnx2x_status) {
  1020. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
  1021. "failed\n");
  1022. return bnx2x_status;
  1023. }
  1024. /* Set client mapping of BW and strict */
  1025. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1026. cos_sp_bitmap,
  1027. cos_bw_bitmap);
  1028. if (0 != bnx2x_status) {
  1029. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1030. return bnx2x_status;
  1031. }
  1032. return 0;
  1033. }
  1034. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1035. {
  1036. /* ETS disabled configuration */
  1037. struct bnx2x *bp = params->bp;
  1038. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1039. /*
  1040. * defines which entries (clients) are subjected to WFQ arbitration
  1041. * COS0 0x8
  1042. * COS1 0x10
  1043. */
  1044. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1045. /*
  1046. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1047. * client numbers (WEIGHT_0 does not actually have to represent
  1048. * client 0)
  1049. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1050. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1051. */
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1053. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1054. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1055. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1056. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1057. /* ETS mode enabled*/
  1058. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1059. /* Defines the number of consecutive slots for the strict priority */
  1060. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1061. /*
  1062. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1063. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1064. * entry, 4 - COS1 entry.
  1065. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1066. * bit4 bit3 bit2 bit1 bit0
  1067. * MCP and debug are strict
  1068. */
  1069. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1070. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1071. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1072. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1073. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1074. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1075. }
  1076. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1077. const u32 cos1_bw)
  1078. {
  1079. /* ETS disabled configuration*/
  1080. struct bnx2x *bp = params->bp;
  1081. const u32 total_bw = cos0_bw + cos1_bw;
  1082. u32 cos0_credit_weight = 0;
  1083. u32 cos1_credit_weight = 0;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. if ((0 == total_bw) ||
  1086. (0 == cos0_bw) ||
  1087. (0 == cos1_bw)) {
  1088. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1089. return;
  1090. }
  1091. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1092. total_bw;
  1093. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1094. total_bw;
  1095. bnx2x_ets_bw_limit_common(params);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1099. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1100. }
  1101. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1102. {
  1103. /* ETS disabled configuration*/
  1104. struct bnx2x *bp = params->bp;
  1105. u32 val = 0;
  1106. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1107. /*
  1108. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1109. * as strict. Bits 0,1,2 - debug and management entries,
  1110. * 3 - COS0 entry, 4 - COS1 entry.
  1111. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1112. * bit4 bit3 bit2 bit1 bit0
  1113. * MCP and debug are strict
  1114. */
  1115. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1116. /*
  1117. * For strict priority entries defines the number of consecutive slots
  1118. * for the highest priority.
  1119. */
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1121. /* ETS mode disable */
  1122. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1123. /* Defines the number of consecutive slots for the strict priority */
  1124. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1125. /* Defines the number of consecutive slots for the strict priority */
  1126. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1127. /*
  1128. * mapping between entry priority to client number (0,1,2 -debug and
  1129. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1130. * 3bits client num.
  1131. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1132. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1133. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1134. */
  1135. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1136. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1137. return 0;
  1138. }
  1139. /******************************************************************/
  1140. /* PFC section */
  1141. /******************************************************************/
  1142. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1143. struct link_vars *vars,
  1144. u8 is_lb)
  1145. {
  1146. struct bnx2x *bp = params->bp;
  1147. u32 xmac_base;
  1148. u32 pause_val, pfc0_val, pfc1_val;
  1149. /* XMAC base adrr */
  1150. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1151. /* Initialize pause and pfc registers */
  1152. pause_val = 0x18000;
  1153. pfc0_val = 0xFFFF8000;
  1154. pfc1_val = 0x2;
  1155. /* No PFC support */
  1156. if (!(params->feature_config_flags &
  1157. FEATURE_CONFIG_PFC_ENABLED)) {
  1158. /*
  1159. * RX flow control - Process pause frame in receive direction
  1160. */
  1161. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1162. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1163. /*
  1164. * TX flow control - Send pause packet when buffer is full
  1165. */
  1166. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1167. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1168. } else {/* PFC support */
  1169. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1170. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1171. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1172. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1173. }
  1174. /* Write pause and PFC registers */
  1175. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1177. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1178. /* Set MAC address for source TX Pause/PFC frames */
  1179. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1180. ((params->mac_addr[2] << 24) |
  1181. (params->mac_addr[3] << 16) |
  1182. (params->mac_addr[4] << 8) |
  1183. (params->mac_addr[5])));
  1184. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1185. ((params->mac_addr[0] << 8) |
  1186. (params->mac_addr[1])));
  1187. udelay(30);
  1188. }
  1189. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1190. u32 pfc_frames_sent[2],
  1191. u32 pfc_frames_received[2])
  1192. {
  1193. /* Read pfc statistic */
  1194. struct bnx2x *bp = params->bp;
  1195. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1196. u32 val_xon = 0;
  1197. u32 val_xoff = 0;
  1198. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1199. /* PFC received frames */
  1200. val_xoff = REG_RD(bp, emac_base +
  1201. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1202. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1203. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1204. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1205. pfc_frames_received[0] = val_xon + val_xoff;
  1206. /* PFC received sent */
  1207. val_xoff = REG_RD(bp, emac_base +
  1208. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1209. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1210. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1211. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1212. pfc_frames_sent[0] = val_xon + val_xoff;
  1213. }
  1214. /* Read pfc statistic*/
  1215. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1216. u32 pfc_frames_sent[2],
  1217. u32 pfc_frames_received[2])
  1218. {
  1219. /* Read pfc statistic */
  1220. struct bnx2x *bp = params->bp;
  1221. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1222. if (!vars->link_up)
  1223. return;
  1224. if (MAC_TYPE_EMAC == vars->mac_type) {
  1225. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1226. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1227. pfc_frames_received);
  1228. }
  1229. }
  1230. /******************************************************************/
  1231. /* MAC/PBF section */
  1232. /******************************************************************/
  1233. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1234. {
  1235. u32 mode, emac_base;
  1236. /**
  1237. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1238. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1239. */
  1240. if (CHIP_IS_E2(bp))
  1241. emac_base = GRCBASE_EMAC0;
  1242. else
  1243. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1244. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1245. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1246. EMAC_MDIO_MODE_CLOCK_CNT);
  1247. if (USES_WARPCORE(bp))
  1248. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1249. else
  1250. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1251. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1252. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1253. udelay(40);
  1254. }
  1255. static void bnx2x_emac_init(struct link_params *params,
  1256. struct link_vars *vars)
  1257. {
  1258. /* reset and unreset the emac core */
  1259. struct bnx2x *bp = params->bp;
  1260. u8 port = params->port;
  1261. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1262. u32 val;
  1263. u16 timeout;
  1264. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1265. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1266. udelay(5);
  1267. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1268. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1269. /* init emac - use read-modify-write */
  1270. /* self clear reset */
  1271. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1272. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1273. timeout = 200;
  1274. do {
  1275. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1276. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1277. if (!timeout) {
  1278. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1279. return;
  1280. }
  1281. timeout--;
  1282. } while (val & EMAC_MODE_RESET);
  1283. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1284. /* Set mac address */
  1285. val = ((params->mac_addr[0] << 8) |
  1286. params->mac_addr[1]);
  1287. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1288. val = ((params->mac_addr[2] << 24) |
  1289. (params->mac_addr[3] << 16) |
  1290. (params->mac_addr[4] << 8) |
  1291. params->mac_addr[5]);
  1292. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1293. }
  1294. static void bnx2x_set_xumac_nig(struct link_params *params,
  1295. u16 tx_pause_en,
  1296. u8 enable)
  1297. {
  1298. struct bnx2x *bp = params->bp;
  1299. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1300. enable);
  1301. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1302. enable);
  1303. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1304. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1305. }
  1306. static void bnx2x_umac_enable(struct link_params *params,
  1307. struct link_vars *vars, u8 lb)
  1308. {
  1309. u32 val;
  1310. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1311. struct bnx2x *bp = params->bp;
  1312. /* Reset UMAC */
  1313. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1314. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1315. usleep_range(1000, 1000);
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1317. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1318. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1319. /**
  1320. * This register determines on which events the MAC will assert
  1321. * error on the i/f to the NIG along w/ EOP.
  1322. */
  1323. /**
  1324. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1325. * params->port*0x14, 0xfffff.
  1326. */
  1327. /* This register opens the gate for the UMAC despite its name */
  1328. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1329. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1330. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1331. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1332. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1333. switch (vars->line_speed) {
  1334. case SPEED_10:
  1335. val |= (0<<2);
  1336. break;
  1337. case SPEED_100:
  1338. val |= (1<<2);
  1339. break;
  1340. case SPEED_1000:
  1341. val |= (2<<2);
  1342. break;
  1343. case SPEED_2500:
  1344. val |= (3<<2);
  1345. break;
  1346. default:
  1347. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1348. vars->line_speed);
  1349. break;
  1350. }
  1351. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1352. udelay(50);
  1353. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1354. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1355. ((params->mac_addr[2] << 24) |
  1356. (params->mac_addr[3] << 16) |
  1357. (params->mac_addr[4] << 8) |
  1358. (params->mac_addr[5])));
  1359. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1360. ((params->mac_addr[0] << 8) |
  1361. (params->mac_addr[1])));
  1362. /* Enable RX and TX */
  1363. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1364. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1365. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1366. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1367. udelay(50);
  1368. /* Remove SW Reset */
  1369. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1370. /* Check loopback mode */
  1371. if (lb)
  1372. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1373. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1374. /*
  1375. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1376. * length used by the MAC receive logic to check frames.
  1377. */
  1378. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1379. bnx2x_set_xumac_nig(params,
  1380. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1381. vars->mac_type = MAC_TYPE_UMAC;
  1382. }
  1383. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1384. {
  1385. u32 port4mode_ovwr_val;
  1386. /* Check 4-port override enabled */
  1387. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1388. if (port4mode_ovwr_val & (1<<0)) {
  1389. /* Return 4-port mode override value */
  1390. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1391. }
  1392. /* Return 4-port mode from input pin */
  1393. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1394. }
  1395. /* Define the XMAC mode */
  1396. static void bnx2x_xmac_init(struct bnx2x *bp, u32 max_speed)
  1397. {
  1398. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1399. /**
  1400. * In 4-port mode, need to set the mode only once, so if XMAC is
  1401. * already out of reset, it means the mode has already been set,
  1402. * and it must not* reset the XMAC again, since it controls both
  1403. * ports of the path
  1404. **/
  1405. if (is_port4mode && (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1406. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1407. DP(NETIF_MSG_LINK, "XMAC already out of reset"
  1408. " in 4-port mode\n");
  1409. return;
  1410. }
  1411. /* Hard reset */
  1412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1413. MISC_REGISTERS_RESET_REG_2_XMAC);
  1414. usleep_range(1000, 1000);
  1415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1416. MISC_REGISTERS_RESET_REG_2_XMAC);
  1417. if (is_port4mode) {
  1418. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1419. /* Set the number of ports on the system side to up to 2 */
  1420. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1421. /* Set the number of ports on the Warp Core to 10G */
  1422. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1423. } else {
  1424. /* Set the number of ports on the system side to 1 */
  1425. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1426. if (max_speed == SPEED_10000) {
  1427. DP(NETIF_MSG_LINK, "Init XMAC to 10G x 1"
  1428. " port per path\n");
  1429. /* Set the number of ports on the Warp Core to 10G */
  1430. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1431. } else {
  1432. DP(NETIF_MSG_LINK, "Init XMAC to 20G x 2 ports"
  1433. " per path\n");
  1434. /* Set the number of ports on the Warp Core to 20G */
  1435. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1436. }
  1437. }
  1438. /* Soft reset */
  1439. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1440. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1441. usleep_range(1000, 1000);
  1442. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1443. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1444. }
  1445. static void bnx2x_xmac_disable(struct link_params *params)
  1446. {
  1447. u8 port = params->port;
  1448. struct bnx2x *bp = params->bp;
  1449. u32 xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1450. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1451. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1452. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1453. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1454. usleep_range(1000, 1000);
  1455. bnx2x_set_xumac_nig(params, 0, 0);
  1456. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  1457. XMAC_CTRL_REG_SOFT_RESET);
  1458. }
  1459. }
  1460. static int bnx2x_xmac_enable(struct link_params *params,
  1461. struct link_vars *vars, u8 lb)
  1462. {
  1463. u32 val, xmac_base;
  1464. struct bnx2x *bp = params->bp;
  1465. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1466. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1467. bnx2x_xmac_init(bp, vars->line_speed);
  1468. /*
  1469. * This register determines on which events the MAC will assert
  1470. * error on the i/f to the NIG along w/ EOP.
  1471. */
  1472. /*
  1473. * This register tells the NIG whether to send traffic to UMAC
  1474. * or XMAC
  1475. */
  1476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1477. /* Set Max packet size */
  1478. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1479. /* CRC append for Tx packets */
  1480. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1481. /* update PFC */
  1482. bnx2x_update_pfc_xmac(params, vars, 0);
  1483. /* Enable TX and RX */
  1484. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1485. /* Check loopback mode */
  1486. if (lb)
  1487. val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK;
  1488. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1489. bnx2x_set_xumac_nig(params,
  1490. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1491. vars->mac_type = MAC_TYPE_XMAC;
  1492. return 0;
  1493. }
  1494. static int bnx2x_emac_enable(struct link_params *params,
  1495. struct link_vars *vars, u8 lb)
  1496. {
  1497. struct bnx2x *bp = params->bp;
  1498. u8 port = params->port;
  1499. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1500. u32 val;
  1501. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1502. /* enable emac and not bmac */
  1503. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1504. /* ASIC */
  1505. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1506. u32 ser_lane = ((params->lane_config &
  1507. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1508. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1509. DP(NETIF_MSG_LINK, "XGXS\n");
  1510. /* select the master lanes (out of 0-3) */
  1511. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1512. /* select XGXS */
  1513. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1514. } else { /* SerDes */
  1515. DP(NETIF_MSG_LINK, "SerDes\n");
  1516. /* select SerDes */
  1517. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1518. }
  1519. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1520. EMAC_RX_MODE_RESET);
  1521. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1522. EMAC_TX_MODE_RESET);
  1523. if (CHIP_REV_IS_SLOW(bp)) {
  1524. /* config GMII mode */
  1525. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1526. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1527. } else { /* ASIC */
  1528. /* pause enable/disable */
  1529. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1530. EMAC_RX_MODE_FLOW_EN);
  1531. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1532. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1533. EMAC_TX_MODE_FLOW_EN));
  1534. if (!(params->feature_config_flags &
  1535. FEATURE_CONFIG_PFC_ENABLED)) {
  1536. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1537. bnx2x_bits_en(bp, emac_base +
  1538. EMAC_REG_EMAC_RX_MODE,
  1539. EMAC_RX_MODE_FLOW_EN);
  1540. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1541. bnx2x_bits_en(bp, emac_base +
  1542. EMAC_REG_EMAC_TX_MODE,
  1543. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1544. EMAC_TX_MODE_FLOW_EN));
  1545. } else
  1546. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1547. EMAC_TX_MODE_FLOW_EN);
  1548. }
  1549. /* KEEP_VLAN_TAG, promiscuous */
  1550. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1551. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1552. /*
  1553. * Setting this bit causes MAC control frames (except for pause
  1554. * frames) to be passed on for processing. This setting has no
  1555. * affect on the operation of the pause frames. This bit effects
  1556. * all packets regardless of RX Parser packet sorting logic.
  1557. * Turn the PFC off to make sure we are in Xon state before
  1558. * enabling it.
  1559. */
  1560. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1561. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1562. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1563. /* Enable PFC again */
  1564. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1565. EMAC_REG_RX_PFC_MODE_RX_EN |
  1566. EMAC_REG_RX_PFC_MODE_TX_EN |
  1567. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1568. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1569. ((0x0101 <<
  1570. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1571. (0x00ff <<
  1572. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1573. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1574. }
  1575. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1576. /* Set Loopback */
  1577. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1578. if (lb)
  1579. val |= 0x810;
  1580. else
  1581. val &= ~0x810;
  1582. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1583. /* enable emac */
  1584. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1585. /* enable emac for jumbo packets */
  1586. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1587. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1588. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1589. /* strip CRC */
  1590. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1591. /* disable the NIG in/out to the bmac */
  1592. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1593. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1594. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1595. /* enable the NIG in/out to the emac */
  1596. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1597. val = 0;
  1598. if ((params->feature_config_flags &
  1599. FEATURE_CONFIG_PFC_ENABLED) ||
  1600. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1601. val = 1;
  1602. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1603. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1604. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1605. vars->mac_type = MAC_TYPE_EMAC;
  1606. return 0;
  1607. }
  1608. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1609. struct link_vars *vars)
  1610. {
  1611. u32 wb_data[2];
  1612. struct bnx2x *bp = params->bp;
  1613. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1614. NIG_REG_INGRESS_BMAC0_MEM;
  1615. u32 val = 0x14;
  1616. if ((!(params->feature_config_flags &
  1617. FEATURE_CONFIG_PFC_ENABLED)) &&
  1618. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1619. /* Enable BigMAC to react on received Pause packets */
  1620. val |= (1<<5);
  1621. wb_data[0] = val;
  1622. wb_data[1] = 0;
  1623. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1624. /* tx control */
  1625. val = 0xc0;
  1626. if (!(params->feature_config_flags &
  1627. FEATURE_CONFIG_PFC_ENABLED) &&
  1628. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1629. val |= 0x800000;
  1630. wb_data[0] = val;
  1631. wb_data[1] = 0;
  1632. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1633. }
  1634. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1635. struct link_vars *vars,
  1636. u8 is_lb)
  1637. {
  1638. /*
  1639. * Set rx control: Strip CRC and enable BigMAC to relay
  1640. * control packets to the system as well
  1641. */
  1642. u32 wb_data[2];
  1643. struct bnx2x *bp = params->bp;
  1644. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1645. NIG_REG_INGRESS_BMAC0_MEM;
  1646. u32 val = 0x14;
  1647. if ((!(params->feature_config_flags &
  1648. FEATURE_CONFIG_PFC_ENABLED)) &&
  1649. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1650. /* Enable BigMAC to react on received Pause packets */
  1651. val |= (1<<5);
  1652. wb_data[0] = val;
  1653. wb_data[1] = 0;
  1654. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1655. udelay(30);
  1656. /* Tx control */
  1657. val = 0xc0;
  1658. if (!(params->feature_config_flags &
  1659. FEATURE_CONFIG_PFC_ENABLED) &&
  1660. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1661. val |= 0x800000;
  1662. wb_data[0] = val;
  1663. wb_data[1] = 0;
  1664. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1665. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1666. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1667. /* Enable PFC RX & TX & STATS and set 8 COS */
  1668. wb_data[0] = 0x0;
  1669. wb_data[0] |= (1<<0); /* RX */
  1670. wb_data[0] |= (1<<1); /* TX */
  1671. wb_data[0] |= (1<<2); /* Force initial Xon */
  1672. wb_data[0] |= (1<<3); /* 8 cos */
  1673. wb_data[0] |= (1<<5); /* STATS */
  1674. wb_data[1] = 0;
  1675. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1676. wb_data, 2);
  1677. /* Clear the force Xon */
  1678. wb_data[0] &= ~(1<<2);
  1679. } else {
  1680. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1681. /* disable PFC RX & TX & STATS and set 8 COS */
  1682. wb_data[0] = 0x8;
  1683. wb_data[1] = 0;
  1684. }
  1685. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1686. /*
  1687. * Set Time (based unit is 512 bit time) between automatic
  1688. * re-sending of PP packets amd enable automatic re-send of
  1689. * Per-Priroity Packet as long as pp_gen is asserted and
  1690. * pp_disable is low.
  1691. */
  1692. val = 0x8000;
  1693. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1694. val |= (1<<16); /* enable automatic re-send */
  1695. wb_data[0] = val;
  1696. wb_data[1] = 0;
  1697. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1698. wb_data, 2);
  1699. /* mac control */
  1700. val = 0x3; /* Enable RX and TX */
  1701. if (is_lb) {
  1702. val |= 0x4; /* Local loopback */
  1703. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1704. }
  1705. /* When PFC enabled, Pass pause frames towards the NIG. */
  1706. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1707. val |= ((1<<6)|(1<<5));
  1708. wb_data[0] = val;
  1709. wb_data[1] = 0;
  1710. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1711. }
  1712. /* PFC BRB internal port configuration params */
  1713. struct bnx2x_pfc_brb_threshold_val {
  1714. u32 pause_xoff;
  1715. u32 pause_xon;
  1716. u32 full_xoff;
  1717. u32 full_xon;
  1718. };
  1719. struct bnx2x_pfc_brb_e3b0_val {
  1720. u32 full_lb_xoff_th;
  1721. u32 full_lb_xon_threshold;
  1722. u32 lb_guarantied;
  1723. u32 mac_0_class_t_guarantied;
  1724. u32 mac_0_class_t_guarantied_hyst;
  1725. u32 mac_1_class_t_guarantied;
  1726. u32 mac_1_class_t_guarantied_hyst;
  1727. };
  1728. struct bnx2x_pfc_brb_th_val {
  1729. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1730. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1731. };
  1732. static int bnx2x_pfc_brb_get_config_params(
  1733. struct link_params *params,
  1734. struct bnx2x_pfc_brb_th_val *config_val)
  1735. {
  1736. struct bnx2x *bp = params->bp;
  1737. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1738. if (CHIP_IS_E2(bp)) {
  1739. config_val->pauseable_th.pause_xoff =
  1740. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1741. config_val->pauseable_th.pause_xon =
  1742. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1743. config_val->pauseable_th.full_xoff =
  1744. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1745. config_val->pauseable_th.full_xon =
  1746. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1747. /* non pause able*/
  1748. config_val->non_pauseable_th.pause_xoff =
  1749. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1750. config_val->non_pauseable_th.pause_xon =
  1751. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1752. config_val->non_pauseable_th.full_xoff =
  1753. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1754. config_val->non_pauseable_th.full_xon =
  1755. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1756. } else if (CHIP_IS_E3A0(bp)) {
  1757. config_val->pauseable_th.pause_xoff =
  1758. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1759. config_val->pauseable_th.pause_xon =
  1760. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1761. config_val->pauseable_th.full_xoff =
  1762. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1763. config_val->pauseable_th.full_xon =
  1764. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1765. /* non pause able*/
  1766. config_val->non_pauseable_th.pause_xoff =
  1767. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1768. config_val->non_pauseable_th.pause_xon =
  1769. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1770. config_val->non_pauseable_th.full_xoff =
  1771. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1772. config_val->non_pauseable_th.full_xon =
  1773. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1774. } else if (CHIP_IS_E3B0(bp)) {
  1775. if (params->phy[INT_PHY].flags &
  1776. FLAGS_4_PORT_MODE) {
  1777. config_val->pauseable_th.pause_xoff =
  1778. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1779. config_val->pauseable_th.pause_xon =
  1780. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1781. config_val->pauseable_th.full_xoff =
  1782. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1783. config_val->pauseable_th.full_xon =
  1784. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1785. /* non pause able*/
  1786. config_val->non_pauseable_th.pause_xoff =
  1787. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1788. config_val->non_pauseable_th.pause_xon =
  1789. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1790. config_val->non_pauseable_th.full_xoff =
  1791. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.full_xon =
  1793. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1794. } else {
  1795. config_val->pauseable_th.pause_xoff =
  1796. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1797. config_val->pauseable_th.pause_xon =
  1798. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1799. config_val->pauseable_th.full_xoff =
  1800. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1801. config_val->pauseable_th.full_xon =
  1802. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1803. /* non pause able*/
  1804. config_val->non_pauseable_th.pause_xoff =
  1805. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1806. config_val->non_pauseable_th.pause_xon =
  1807. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1808. config_val->non_pauseable_th.full_xoff =
  1809. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1810. config_val->non_pauseable_th.full_xon =
  1811. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1812. }
  1813. } else
  1814. return -EINVAL;
  1815. return 0;
  1816. }
  1817. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1818. struct bnx2x_pfc_brb_e3b0_val
  1819. *e3b0_val,
  1820. u32 cos0_pauseable,
  1821. u32 cos1_pauseable)
  1822. {
  1823. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1824. e3b0_val->full_lb_xoff_th =
  1825. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1826. e3b0_val->full_lb_xon_threshold =
  1827. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1828. e3b0_val->lb_guarantied =
  1829. PFC_E3B0_4P_LB_GUART;
  1830. e3b0_val->mac_0_class_t_guarantied =
  1831. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1832. e3b0_val->mac_0_class_t_guarantied_hyst =
  1833. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1834. e3b0_val->mac_1_class_t_guarantied =
  1835. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1836. e3b0_val->mac_1_class_t_guarantied_hyst =
  1837. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1838. } else {
  1839. e3b0_val->full_lb_xoff_th =
  1840. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1841. e3b0_val->full_lb_xon_threshold =
  1842. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1843. e3b0_val->mac_0_class_t_guarantied_hyst =
  1844. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1845. e3b0_val->mac_1_class_t_guarantied =
  1846. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1847. e3b0_val->mac_1_class_t_guarantied_hyst =
  1848. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1849. if (cos0_pauseable != cos1_pauseable) {
  1850. /* nonpauseable= Lossy + pauseable = Lossless*/
  1851. e3b0_val->lb_guarantied =
  1852. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1853. e3b0_val->mac_0_class_t_guarantied =
  1854. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1855. } else if (cos0_pauseable) {
  1856. /* Lossless +Lossless*/
  1857. e3b0_val->lb_guarantied =
  1858. PFC_E3B0_2P_PAUSE_LB_GUART;
  1859. e3b0_val->mac_0_class_t_guarantied =
  1860. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1861. } else {
  1862. /* Lossy +Lossy*/
  1863. e3b0_val->lb_guarantied =
  1864. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1865. e3b0_val->mac_0_class_t_guarantied =
  1866. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1867. }
  1868. }
  1869. }
  1870. static int bnx2x_update_pfc_brb(struct link_params *params,
  1871. struct link_vars *vars,
  1872. struct bnx2x_nig_brb_pfc_port_params
  1873. *pfc_params)
  1874. {
  1875. struct bnx2x *bp = params->bp;
  1876. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1877. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1878. &config_val.pauseable_th;
  1879. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1880. int set_pfc = params->feature_config_flags &
  1881. FEATURE_CONFIG_PFC_ENABLED;
  1882. int bnx2x_status = 0;
  1883. u8 port = params->port;
  1884. /* default - pause configuration */
  1885. reg_th_config = &config_val.pauseable_th;
  1886. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1887. if (0 != bnx2x_status)
  1888. return bnx2x_status;
  1889. if (set_pfc && pfc_params)
  1890. /* First COS */
  1891. if (!pfc_params->cos0_pauseable)
  1892. reg_th_config = &config_val.non_pauseable_th;
  1893. /*
  1894. * The number of free blocks below which the pause signal to class 0
  1895. * of MAC #n is asserted. n=0,1
  1896. */
  1897. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1898. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1899. reg_th_config->pause_xoff);
  1900. /*
  1901. * The number of free blocks above which the pause signal to class 0
  1902. * of MAC #n is de-asserted. n=0,1
  1903. */
  1904. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1905. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1906. /*
  1907. * The number of free blocks below which the full signal to class 0
  1908. * of MAC #n is asserted. n=0,1
  1909. */
  1910. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1911. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1912. /*
  1913. * The number of free blocks above which the full signal to class 0
  1914. * of MAC #n is de-asserted. n=0,1
  1915. */
  1916. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1917. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1918. if (set_pfc && pfc_params) {
  1919. /* Second COS */
  1920. if (pfc_params->cos1_pauseable)
  1921. reg_th_config = &config_val.pauseable_th;
  1922. else
  1923. reg_th_config = &config_val.non_pauseable_th;
  1924. /*
  1925. * The number of free blocks below which the pause signal to
  1926. * class 1 of MAC #n is asserted. n=0,1
  1927. **/
  1928. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1929. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1930. reg_th_config->pause_xoff);
  1931. /*
  1932. * The number of free blocks above which the pause signal to
  1933. * class 1 of MAC #n is de-asserted. n=0,1
  1934. */
  1935. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1936. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1937. reg_th_config->pause_xon);
  1938. /*
  1939. * The number of free blocks below which the full signal to
  1940. * class 1 of MAC #n is asserted. n=0,1
  1941. */
  1942. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1943. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1944. reg_th_config->full_xoff);
  1945. /*
  1946. * The number of free blocks above which the full signal to
  1947. * class 1 of MAC #n is de-asserted. n=0,1
  1948. */
  1949. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1950. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1951. reg_th_config->full_xon);
  1952. if (CHIP_IS_E3B0(bp)) {
  1953. /*Should be done by init tool */
  1954. /*
  1955. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1956. * reset value
  1957. * 944
  1958. */
  1959. /**
  1960. * The hysteresis on the guarantied buffer space for the Lb port
  1961. * before signaling XON.
  1962. **/
  1963. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1964. bnx2x_pfc_brb_get_e3b0_config_params(
  1965. params,
  1966. &e3b0_val,
  1967. pfc_params->cos0_pauseable,
  1968. pfc_params->cos1_pauseable);
  1969. /**
  1970. * The number of free blocks below which the full signal to the
  1971. * LB port is asserted.
  1972. */
  1973. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1974. e3b0_val.full_lb_xoff_th);
  1975. /**
  1976. * The number of free blocks above which the full signal to the
  1977. * LB port is de-asserted.
  1978. */
  1979. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  1980. e3b0_val.full_lb_xon_threshold);
  1981. /**
  1982. * The number of blocks guarantied for the MAC #n port. n=0,1
  1983. */
  1984. /*The number of blocks guarantied for the LB port.*/
  1985. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  1986. e3b0_val.lb_guarantied);
  1987. /**
  1988. * The number of blocks guarantied for the MAC #n port.
  1989. */
  1990. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  1991. 2 * e3b0_val.mac_0_class_t_guarantied);
  1992. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  1993. 2 * e3b0_val.mac_1_class_t_guarantied);
  1994. /**
  1995. * The number of blocks guarantied for class #t in MAC0. t=0,1
  1996. */
  1997. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  1998. e3b0_val.mac_0_class_t_guarantied);
  1999. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2000. e3b0_val.mac_0_class_t_guarantied);
  2001. /**
  2002. * The hysteresis on the guarantied buffer space for class in
  2003. * MAC0. t=0,1
  2004. */
  2005. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2006. e3b0_val.mac_0_class_t_guarantied_hyst);
  2007. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2008. e3b0_val.mac_0_class_t_guarantied_hyst);
  2009. /**
  2010. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2011. */
  2012. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2013. e3b0_val.mac_1_class_t_guarantied);
  2014. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2015. e3b0_val.mac_1_class_t_guarantied);
  2016. /**
  2017. * The hysteresis on the guarantied buffer space for class #t
  2018. * in MAC1. t=0,1
  2019. */
  2020. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2021. e3b0_val.mac_1_class_t_guarantied_hyst);
  2022. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2023. e3b0_val.mac_1_class_t_guarantied_hyst);
  2024. }
  2025. }
  2026. return bnx2x_status;
  2027. }
  2028. /******************************************************************************
  2029. * Description:
  2030. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2031. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2032. ******************************************************************************/
  2033. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2034. u8 cos_entry,
  2035. u32 priority_mask, u8 port)
  2036. {
  2037. u32 nig_reg_rx_priority_mask_add = 0;
  2038. switch (cos_entry) {
  2039. case 0:
  2040. nig_reg_rx_priority_mask_add = (port) ?
  2041. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2042. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2043. break;
  2044. case 1:
  2045. nig_reg_rx_priority_mask_add = (port) ?
  2046. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2047. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2048. break;
  2049. case 2:
  2050. nig_reg_rx_priority_mask_add = (port) ?
  2051. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2052. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2053. break;
  2054. case 3:
  2055. if (port)
  2056. return -EINVAL;
  2057. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2058. break;
  2059. case 4:
  2060. if (port)
  2061. return -EINVAL;
  2062. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2063. break;
  2064. case 5:
  2065. if (port)
  2066. return -EINVAL;
  2067. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2068. break;
  2069. }
  2070. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2071. return 0;
  2072. }
  2073. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2074. {
  2075. struct bnx2x *bp = params->bp;
  2076. REG_WR(bp, params->shmem_base +
  2077. offsetof(struct shmem_region,
  2078. port_mb[params->port].link_status), link_status);
  2079. }
  2080. static void bnx2x_update_pfc_nig(struct link_params *params,
  2081. struct link_vars *vars,
  2082. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2083. {
  2084. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2085. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2086. u32 pkt_priority_to_cos = 0;
  2087. struct bnx2x *bp = params->bp;
  2088. u8 port = params->port;
  2089. int set_pfc = params->feature_config_flags &
  2090. FEATURE_CONFIG_PFC_ENABLED;
  2091. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2092. /*
  2093. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2094. * MAC control frames (that are not pause packets)
  2095. * will be forwarded to the XCM.
  2096. */
  2097. xcm_mask = REG_RD(bp,
  2098. port ? NIG_REG_LLH1_XCM_MASK :
  2099. NIG_REG_LLH0_XCM_MASK);
  2100. /*
  2101. * nig params will override non PFC params, since it's possible to
  2102. * do transition from PFC to SAFC
  2103. */
  2104. if (set_pfc) {
  2105. pause_enable = 0;
  2106. llfc_out_en = 0;
  2107. llfc_enable = 0;
  2108. if (CHIP_IS_E3(bp))
  2109. ppp_enable = 0;
  2110. else
  2111. ppp_enable = 1;
  2112. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2113. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2114. xcm0_out_en = 0;
  2115. p0_hwpfc_enable = 1;
  2116. } else {
  2117. if (nig_params) {
  2118. llfc_out_en = nig_params->llfc_out_en;
  2119. llfc_enable = nig_params->llfc_enable;
  2120. pause_enable = nig_params->pause_enable;
  2121. } else /*defaul non PFC mode - PAUSE */
  2122. pause_enable = 1;
  2123. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2124. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2125. xcm0_out_en = 1;
  2126. }
  2127. if (CHIP_IS_E3(bp))
  2128. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2129. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2130. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2131. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2132. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2133. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2134. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2135. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2136. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2137. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2138. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2139. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2140. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2141. /* output enable for RX_XCM # IF */
  2142. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2143. /* HW PFC TX enable */
  2144. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2145. if (nig_params) {
  2146. u8 i = 0;
  2147. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2148. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2149. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2150. nig_params->rx_cos_priority_mask[i], port);
  2151. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2152. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2153. nig_params->llfc_high_priority_classes);
  2154. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2155. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2156. nig_params->llfc_low_priority_classes);
  2157. }
  2158. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2159. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2160. pkt_priority_to_cos);
  2161. }
  2162. int bnx2x_update_pfc(struct link_params *params,
  2163. struct link_vars *vars,
  2164. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2165. {
  2166. /*
  2167. * The PFC and pause are orthogonal to one another, meaning when
  2168. * PFC is enabled, the pause are disabled, and when PFC is
  2169. * disabled, pause are set according to the pause result.
  2170. */
  2171. u32 val;
  2172. struct bnx2x *bp = params->bp;
  2173. int bnx2x_status = 0;
  2174. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2175. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2176. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2177. else
  2178. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2179. bnx2x_update_mng(params, vars->link_status);
  2180. /* update NIG params */
  2181. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2182. /* update BRB params */
  2183. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2184. if (0 != bnx2x_status)
  2185. return bnx2x_status;
  2186. if (!vars->link_up)
  2187. return bnx2x_status;
  2188. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2189. if (CHIP_IS_E3(bp))
  2190. bnx2x_update_pfc_xmac(params, vars, 0);
  2191. else {
  2192. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2193. if ((val &
  2194. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2195. == 0) {
  2196. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2197. bnx2x_emac_enable(params, vars, 0);
  2198. return bnx2x_status;
  2199. }
  2200. if (CHIP_IS_E2(bp))
  2201. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2202. else
  2203. bnx2x_update_pfc_bmac1(params, vars);
  2204. val = 0;
  2205. if ((params->feature_config_flags &
  2206. FEATURE_CONFIG_PFC_ENABLED) ||
  2207. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2208. val = 1;
  2209. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2210. }
  2211. return bnx2x_status;
  2212. }
  2213. static int bnx2x_bmac1_enable(struct link_params *params,
  2214. struct link_vars *vars,
  2215. u8 is_lb)
  2216. {
  2217. struct bnx2x *bp = params->bp;
  2218. u8 port = params->port;
  2219. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2220. NIG_REG_INGRESS_BMAC0_MEM;
  2221. u32 wb_data[2];
  2222. u32 val;
  2223. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2224. /* XGXS control */
  2225. wb_data[0] = 0x3c;
  2226. wb_data[1] = 0;
  2227. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2228. wb_data, 2);
  2229. /* tx MAC SA */
  2230. wb_data[0] = ((params->mac_addr[2] << 24) |
  2231. (params->mac_addr[3] << 16) |
  2232. (params->mac_addr[4] << 8) |
  2233. params->mac_addr[5]);
  2234. wb_data[1] = ((params->mac_addr[0] << 8) |
  2235. params->mac_addr[1]);
  2236. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2237. /* mac control */
  2238. val = 0x3;
  2239. if (is_lb) {
  2240. val |= 0x4;
  2241. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2242. }
  2243. wb_data[0] = val;
  2244. wb_data[1] = 0;
  2245. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2246. /* set rx mtu */
  2247. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2248. wb_data[1] = 0;
  2249. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2250. bnx2x_update_pfc_bmac1(params, vars);
  2251. /* set tx mtu */
  2252. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2253. wb_data[1] = 0;
  2254. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2255. /* set cnt max size */
  2256. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2257. wb_data[1] = 0;
  2258. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2259. /* configure safc */
  2260. wb_data[0] = 0x1000200;
  2261. wb_data[1] = 0;
  2262. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2263. wb_data, 2);
  2264. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2265. REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LSS_STATUS,
  2266. wb_data, 2);
  2267. if (wb_data[0] > 0)
  2268. return -ESRCH;
  2269. }
  2270. return 0;
  2271. }
  2272. static int bnx2x_bmac2_enable(struct link_params *params,
  2273. struct link_vars *vars,
  2274. u8 is_lb)
  2275. {
  2276. struct bnx2x *bp = params->bp;
  2277. u8 port = params->port;
  2278. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2279. NIG_REG_INGRESS_BMAC0_MEM;
  2280. u32 wb_data[2];
  2281. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2282. wb_data[0] = 0;
  2283. wb_data[1] = 0;
  2284. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2285. udelay(30);
  2286. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2287. wb_data[0] = 0x3c;
  2288. wb_data[1] = 0;
  2289. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2290. wb_data, 2);
  2291. udelay(30);
  2292. /* tx MAC SA */
  2293. wb_data[0] = ((params->mac_addr[2] << 24) |
  2294. (params->mac_addr[3] << 16) |
  2295. (params->mac_addr[4] << 8) |
  2296. params->mac_addr[5]);
  2297. wb_data[1] = ((params->mac_addr[0] << 8) |
  2298. params->mac_addr[1]);
  2299. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2300. wb_data, 2);
  2301. udelay(30);
  2302. /* Configure SAFC */
  2303. wb_data[0] = 0x1000200;
  2304. wb_data[1] = 0;
  2305. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2306. wb_data, 2);
  2307. udelay(30);
  2308. /* set rx mtu */
  2309. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2310. wb_data[1] = 0;
  2311. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2312. udelay(30);
  2313. /* set tx mtu */
  2314. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2315. wb_data[1] = 0;
  2316. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2317. udelay(30);
  2318. /* set cnt max size */
  2319. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2320. wb_data[1] = 0;
  2321. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2322. udelay(30);
  2323. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2324. if (vars->phy_flags & PHY_TX_ERROR_CHECK_FLAG) {
  2325. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LSS_STAT,
  2326. wb_data, 2);
  2327. if (wb_data[0] > 0) {
  2328. DP(NETIF_MSG_LINK, "Got bad LSS status 0x%x\n",
  2329. wb_data[0]);
  2330. return -ESRCH;
  2331. }
  2332. }
  2333. return 0;
  2334. }
  2335. static int bnx2x_bmac_enable(struct link_params *params,
  2336. struct link_vars *vars,
  2337. u8 is_lb)
  2338. {
  2339. int rc = 0;
  2340. u8 port = params->port;
  2341. struct bnx2x *bp = params->bp;
  2342. u32 val;
  2343. /* reset and unreset the BigMac */
  2344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2345. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2346. msleep(1);
  2347. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2348. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2349. /* enable access for bmac registers */
  2350. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2351. /* Enable BMAC according to BMAC type*/
  2352. if (CHIP_IS_E2(bp))
  2353. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2354. else
  2355. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2356. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2357. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2358. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2359. val = 0;
  2360. if ((params->feature_config_flags &
  2361. FEATURE_CONFIG_PFC_ENABLED) ||
  2362. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2363. val = 1;
  2364. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2365. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2366. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2368. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2369. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2370. vars->mac_type = MAC_TYPE_BMAC;
  2371. return rc;
  2372. }
  2373. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2374. {
  2375. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2376. NIG_REG_INGRESS_BMAC0_MEM;
  2377. u32 wb_data[2];
  2378. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2379. /* Only if the bmac is out of reset */
  2380. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2381. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2382. nig_bmac_enable) {
  2383. if (CHIP_IS_E2(bp)) {
  2384. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2385. REG_RD_DMAE(bp, bmac_addr +
  2386. BIGMAC2_REGISTER_BMAC_CONTROL,
  2387. wb_data, 2);
  2388. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2389. REG_WR_DMAE(bp, bmac_addr +
  2390. BIGMAC2_REGISTER_BMAC_CONTROL,
  2391. wb_data, 2);
  2392. } else {
  2393. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2394. REG_RD_DMAE(bp, bmac_addr +
  2395. BIGMAC_REGISTER_BMAC_CONTROL,
  2396. wb_data, 2);
  2397. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2398. REG_WR_DMAE(bp, bmac_addr +
  2399. BIGMAC_REGISTER_BMAC_CONTROL,
  2400. wb_data, 2);
  2401. }
  2402. msleep(1);
  2403. }
  2404. }
  2405. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2406. u32 line_speed)
  2407. {
  2408. struct bnx2x *bp = params->bp;
  2409. u8 port = params->port;
  2410. u32 init_crd, crd;
  2411. u32 count = 1000;
  2412. /* disable port */
  2413. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2414. /* wait for init credit */
  2415. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2416. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2417. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2418. while ((init_crd != crd) && count) {
  2419. msleep(5);
  2420. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2421. count--;
  2422. }
  2423. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2424. if (init_crd != crd) {
  2425. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2426. init_crd, crd);
  2427. return -EINVAL;
  2428. }
  2429. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2430. line_speed == SPEED_10 ||
  2431. line_speed == SPEED_100 ||
  2432. line_speed == SPEED_1000 ||
  2433. line_speed == SPEED_2500) {
  2434. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2435. /* update threshold */
  2436. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2437. /* update init credit */
  2438. init_crd = 778; /* (800-18-4) */
  2439. } else {
  2440. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2441. ETH_OVREHEAD)/16;
  2442. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2443. /* update threshold */
  2444. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2445. /* update init credit */
  2446. switch (line_speed) {
  2447. case SPEED_10000:
  2448. init_crd = thresh + 553 - 22;
  2449. break;
  2450. default:
  2451. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2452. line_speed);
  2453. return -EINVAL;
  2454. }
  2455. }
  2456. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2457. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2458. line_speed, init_crd);
  2459. /* probe the credit changes */
  2460. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2461. msleep(5);
  2462. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2463. /* enable port */
  2464. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2465. return 0;
  2466. }
  2467. /**
  2468. * bnx2x_get_emac_base - retrive emac base address
  2469. *
  2470. * @bp: driver handle
  2471. * @mdc_mdio_access: access type
  2472. * @port: port id
  2473. *
  2474. * This function selects the MDC/MDIO access (through emac0 or
  2475. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2476. * phy has a default access mode, which could also be overridden
  2477. * by nvram configuration. This parameter, whether this is the
  2478. * default phy configuration, or the nvram overrun
  2479. * configuration, is passed here as mdc_mdio_access and selects
  2480. * the emac_base for the CL45 read/writes operations
  2481. */
  2482. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2483. u32 mdc_mdio_access, u8 port)
  2484. {
  2485. u32 emac_base = 0;
  2486. switch (mdc_mdio_access) {
  2487. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2488. break;
  2489. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2490. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2491. emac_base = GRCBASE_EMAC1;
  2492. else
  2493. emac_base = GRCBASE_EMAC0;
  2494. break;
  2495. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2496. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2497. emac_base = GRCBASE_EMAC0;
  2498. else
  2499. emac_base = GRCBASE_EMAC1;
  2500. break;
  2501. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2502. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2503. break;
  2504. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2505. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2506. break;
  2507. default:
  2508. break;
  2509. }
  2510. return emac_base;
  2511. }
  2512. /******************************************************************/
  2513. /* CL22 access functions */
  2514. /******************************************************************/
  2515. static int bnx2x_cl22_write(struct bnx2x *bp,
  2516. struct bnx2x_phy *phy,
  2517. u16 reg, u16 val)
  2518. {
  2519. u32 tmp, mode;
  2520. u8 i;
  2521. int rc = 0;
  2522. /* Switch to CL22 */
  2523. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2524. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2525. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2526. /* address */
  2527. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2528. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2529. EMAC_MDIO_COMM_START_BUSY);
  2530. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2531. for (i = 0; i < 50; i++) {
  2532. udelay(10);
  2533. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2534. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2535. udelay(5);
  2536. break;
  2537. }
  2538. }
  2539. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2540. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2541. rc = -EFAULT;
  2542. }
  2543. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2544. return rc;
  2545. }
  2546. static int bnx2x_cl22_read(struct bnx2x *bp,
  2547. struct bnx2x_phy *phy,
  2548. u16 reg, u16 *ret_val)
  2549. {
  2550. u32 val, mode;
  2551. u16 i;
  2552. int rc = 0;
  2553. /* Switch to CL22 */
  2554. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2555. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2556. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2557. /* address */
  2558. val = ((phy->addr << 21) | (reg << 16) |
  2559. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2560. EMAC_MDIO_COMM_START_BUSY);
  2561. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2562. for (i = 0; i < 50; i++) {
  2563. udelay(10);
  2564. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2565. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2566. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2567. udelay(5);
  2568. break;
  2569. }
  2570. }
  2571. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2572. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2573. *ret_val = 0;
  2574. rc = -EFAULT;
  2575. }
  2576. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2577. return rc;
  2578. }
  2579. /******************************************************************/
  2580. /* CL45 access functions */
  2581. /******************************************************************/
  2582. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2583. u8 devad, u16 reg, u16 *ret_val)
  2584. {
  2585. u32 val;
  2586. u16 i;
  2587. int rc = 0;
  2588. /* address */
  2589. val = ((phy->addr << 21) | (devad << 16) | reg |
  2590. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2591. EMAC_MDIO_COMM_START_BUSY);
  2592. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2593. for (i = 0; i < 50; i++) {
  2594. udelay(10);
  2595. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2596. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2597. udelay(5);
  2598. break;
  2599. }
  2600. }
  2601. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2602. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2603. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2604. *ret_val = 0;
  2605. rc = -EFAULT;
  2606. } else {
  2607. /* data */
  2608. val = ((phy->addr << 21) | (devad << 16) |
  2609. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2610. EMAC_MDIO_COMM_START_BUSY);
  2611. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2612. for (i = 0; i < 50; i++) {
  2613. udelay(10);
  2614. val = REG_RD(bp, phy->mdio_ctrl +
  2615. EMAC_REG_EMAC_MDIO_COMM);
  2616. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2617. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2618. break;
  2619. }
  2620. }
  2621. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2622. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2623. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2624. *ret_val = 0;
  2625. rc = -EFAULT;
  2626. }
  2627. }
  2628. /* Work around for E3 A0 */
  2629. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2630. phy->flags ^= FLAGS_DUMMY_READ;
  2631. if (phy->flags & FLAGS_DUMMY_READ) {
  2632. u16 temp_val;
  2633. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2634. }
  2635. }
  2636. return rc;
  2637. }
  2638. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2639. u8 devad, u16 reg, u16 val)
  2640. {
  2641. u32 tmp;
  2642. u8 i;
  2643. int rc = 0;
  2644. /* address */
  2645. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2646. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2647. EMAC_MDIO_COMM_START_BUSY);
  2648. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2649. for (i = 0; i < 50; i++) {
  2650. udelay(10);
  2651. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2652. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2653. udelay(5);
  2654. break;
  2655. }
  2656. }
  2657. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2658. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2659. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2660. rc = -EFAULT;
  2661. } else {
  2662. /* data */
  2663. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2664. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2665. EMAC_MDIO_COMM_START_BUSY);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2667. for (i = 0; i < 50; i++) {
  2668. udelay(10);
  2669. tmp = REG_RD(bp, phy->mdio_ctrl +
  2670. EMAC_REG_EMAC_MDIO_COMM);
  2671. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2672. udelay(5);
  2673. break;
  2674. }
  2675. }
  2676. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2677. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2678. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2679. rc = -EFAULT;
  2680. }
  2681. }
  2682. /* Work around for E3 A0 */
  2683. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2684. phy->flags ^= FLAGS_DUMMY_READ;
  2685. if (phy->flags & FLAGS_DUMMY_READ) {
  2686. u16 temp_val;
  2687. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2688. }
  2689. }
  2690. return rc;
  2691. }
  2692. /******************************************************************/
  2693. /* BSC access functions from E3 */
  2694. /******************************************************************/
  2695. static void bnx2x_bsc_module_sel(struct link_params *params)
  2696. {
  2697. int idx;
  2698. u32 board_cfg, sfp_ctrl;
  2699. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2700. struct bnx2x *bp = params->bp;
  2701. u8 port = params->port;
  2702. /* Read I2C output PINs */
  2703. board_cfg = REG_RD(bp, params->shmem_base +
  2704. offsetof(struct shmem_region,
  2705. dev_info.shared_hw_config.board));
  2706. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2707. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2708. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2709. /* Read I2C output value */
  2710. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2711. offsetof(struct shmem_region,
  2712. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2713. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2714. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2715. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2716. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2717. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2718. }
  2719. static int bnx2x_bsc_read(struct link_params *params,
  2720. struct bnx2x_phy *phy,
  2721. u8 sl_devid,
  2722. u16 sl_addr,
  2723. u8 lc_addr,
  2724. u8 xfer_cnt,
  2725. u32 *data_array)
  2726. {
  2727. u32 val, i;
  2728. int rc = 0;
  2729. struct bnx2x *bp = params->bp;
  2730. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2731. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2732. return -EINVAL;
  2733. }
  2734. if (xfer_cnt > 16) {
  2735. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2736. xfer_cnt);
  2737. return -EINVAL;
  2738. }
  2739. bnx2x_bsc_module_sel(params);
  2740. xfer_cnt = 16 - lc_addr;
  2741. /* enable the engine */
  2742. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2743. val |= MCPR_IMC_COMMAND_ENABLE;
  2744. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2745. /* program slave device ID */
  2746. val = (sl_devid << 16) | sl_addr;
  2747. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2748. /* start xfer with 0 byte to update the address pointer ???*/
  2749. val = (MCPR_IMC_COMMAND_ENABLE) |
  2750. (MCPR_IMC_COMMAND_WRITE_OP <<
  2751. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2752. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2753. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2754. /* poll for completion */
  2755. i = 0;
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2758. udelay(10);
  2759. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2760. if (i++ > 1000) {
  2761. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2762. i);
  2763. rc = -EFAULT;
  2764. break;
  2765. }
  2766. }
  2767. if (rc == -EFAULT)
  2768. return rc;
  2769. /* start xfer with read op */
  2770. val = (MCPR_IMC_COMMAND_ENABLE) |
  2771. (MCPR_IMC_COMMAND_READ_OP <<
  2772. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2773. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2774. (xfer_cnt);
  2775. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2776. /* poll for completion */
  2777. i = 0;
  2778. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2779. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2780. udelay(10);
  2781. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2782. if (i++ > 1000) {
  2783. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2784. rc = -EFAULT;
  2785. break;
  2786. }
  2787. }
  2788. if (rc == -EFAULT)
  2789. return rc;
  2790. for (i = (lc_addr >> 2); i < 4; i++) {
  2791. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2792. #ifdef __BIG_ENDIAN
  2793. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2794. ((data_array[i] & 0x0000ff00) << 8) |
  2795. ((data_array[i] & 0x00ff0000) >> 8) |
  2796. ((data_array[i] & 0xff000000) >> 24);
  2797. #endif
  2798. }
  2799. return rc;
  2800. }
  2801. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2802. u8 devad, u16 reg, u16 or_val)
  2803. {
  2804. u16 val;
  2805. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2806. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2807. }
  2808. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2809. u8 devad, u16 reg, u16 *ret_val)
  2810. {
  2811. u8 phy_index;
  2812. /*
  2813. * Probe for the phy according to the given phy_addr, and execute
  2814. * the read request on it
  2815. */
  2816. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2817. if (params->phy[phy_index].addr == phy_addr) {
  2818. return bnx2x_cl45_read(params->bp,
  2819. &params->phy[phy_index], devad,
  2820. reg, ret_val);
  2821. }
  2822. }
  2823. return -EINVAL;
  2824. }
  2825. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2826. u8 devad, u16 reg, u16 val)
  2827. {
  2828. u8 phy_index;
  2829. /*
  2830. * Probe for the phy according to the given phy_addr, and execute
  2831. * the write request on it
  2832. */
  2833. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2834. if (params->phy[phy_index].addr == phy_addr) {
  2835. return bnx2x_cl45_write(params->bp,
  2836. &params->phy[phy_index], devad,
  2837. reg, val);
  2838. }
  2839. }
  2840. return -EINVAL;
  2841. }
  2842. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2843. struct link_params *params)
  2844. {
  2845. u8 lane = 0;
  2846. struct bnx2x *bp = params->bp;
  2847. u32 path_swap, path_swap_ovr;
  2848. u8 path, port;
  2849. path = BP_PATH(bp);
  2850. port = params->port;
  2851. if (bnx2x_is_4_port_mode(bp)) {
  2852. u32 port_swap, port_swap_ovr;
  2853. /*figure out path swap value */
  2854. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2855. if (path_swap_ovr & 0x1)
  2856. path_swap = (path_swap_ovr & 0x2);
  2857. else
  2858. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2859. if (path_swap)
  2860. path = path ^ 1;
  2861. /*figure out port swap value */
  2862. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2863. if (port_swap_ovr & 0x1)
  2864. port_swap = (port_swap_ovr & 0x2);
  2865. else
  2866. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2867. if (port_swap)
  2868. port = port ^ 1;
  2869. lane = (port<<1) + path;
  2870. } else { /* two port mode - no port swap */
  2871. /*figure out path swap value */
  2872. path_swap_ovr =
  2873. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2874. if (path_swap_ovr & 0x1) {
  2875. path_swap = (path_swap_ovr & 0x2);
  2876. } else {
  2877. path_swap =
  2878. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2879. }
  2880. if (path_swap)
  2881. path = path ^ 1;
  2882. lane = path << 1 ;
  2883. }
  2884. return lane;
  2885. }
  2886. static void bnx2x_set_aer_mmd(struct link_params *params,
  2887. struct bnx2x_phy *phy)
  2888. {
  2889. u32 ser_lane;
  2890. u16 offset, aer_val;
  2891. struct bnx2x *bp = params->bp;
  2892. ser_lane = ((params->lane_config &
  2893. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2894. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2895. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2896. (phy->addr + ser_lane) : 0;
  2897. if (USES_WARPCORE(bp)) {
  2898. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2899. /*
  2900. * In Dual-lane mode, two lanes are joined together,
  2901. * so in order to configure them, the AER broadcast method is
  2902. * used here.
  2903. * 0x200 is the broadcast address for lanes 0,1
  2904. * 0x201 is the broadcast address for lanes 2,3
  2905. */
  2906. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2907. aer_val = (aer_val >> 1) | 0x200;
  2908. } else if (CHIP_IS_E2(bp))
  2909. aer_val = 0x3800 + offset - 1;
  2910. else
  2911. aer_val = 0x3800 + offset;
  2912. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2913. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2914. MDIO_AER_BLOCK_AER_REG, aer_val);
  2915. }
  2916. /******************************************************************/
  2917. /* Internal phy section */
  2918. /******************************************************************/
  2919. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2920. {
  2921. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2922. /* Set Clause 22 */
  2923. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2924. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2925. udelay(500);
  2926. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2927. udelay(500);
  2928. /* Set Clause 45 */
  2929. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2930. }
  2931. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2932. {
  2933. u32 val;
  2934. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2935. val = SERDES_RESET_BITS << (port*16);
  2936. /* reset and unreset the SerDes/XGXS */
  2937. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2938. udelay(500);
  2939. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2940. bnx2x_set_serdes_access(bp, port);
  2941. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2942. DEFAULT_PHY_DEV_ADDR);
  2943. }
  2944. static void bnx2x_xgxs_deassert(struct link_params *params)
  2945. {
  2946. struct bnx2x *bp = params->bp;
  2947. u8 port;
  2948. u32 val;
  2949. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2950. port = params->port;
  2951. val = XGXS_RESET_BITS << (port*16);
  2952. /* reset and unreset the SerDes/XGXS */
  2953. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2954. udelay(500);
  2955. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2956. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2957. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2958. params->phy[INT_PHY].def_md_devad);
  2959. }
  2960. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2961. struct link_params *params, u16 *ieee_fc)
  2962. {
  2963. struct bnx2x *bp = params->bp;
  2964. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2965. /**
  2966. * resolve pause mode and advertisement Please refer to Table
  2967. * 28B-3 of the 802.3ab-1999 spec
  2968. */
  2969. switch (phy->req_flow_ctrl) {
  2970. case BNX2X_FLOW_CTRL_AUTO:
  2971. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2972. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2973. else
  2974. *ieee_fc |=
  2975. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2976. break;
  2977. case BNX2X_FLOW_CTRL_TX:
  2978. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2979. break;
  2980. case BNX2X_FLOW_CTRL_RX:
  2981. case BNX2X_FLOW_CTRL_BOTH:
  2982. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2983. break;
  2984. case BNX2X_FLOW_CTRL_NONE:
  2985. default:
  2986. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2987. break;
  2988. }
  2989. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2990. }
  2991. static void set_phy_vars(struct link_params *params,
  2992. struct link_vars *vars)
  2993. {
  2994. struct bnx2x *bp = params->bp;
  2995. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2996. u8 phy_config_swapped = params->multi_phy_config &
  2997. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2998. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2999. phy_index++) {
  3000. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3001. actual_phy_idx = phy_index;
  3002. if (phy_config_swapped) {
  3003. if (phy_index == EXT_PHY1)
  3004. actual_phy_idx = EXT_PHY2;
  3005. else if (phy_index == EXT_PHY2)
  3006. actual_phy_idx = EXT_PHY1;
  3007. }
  3008. params->phy[actual_phy_idx].req_flow_ctrl =
  3009. params->req_flow_ctrl[link_cfg_idx];
  3010. params->phy[actual_phy_idx].req_line_speed =
  3011. params->req_line_speed[link_cfg_idx];
  3012. params->phy[actual_phy_idx].speed_cap_mask =
  3013. params->speed_cap_mask[link_cfg_idx];
  3014. params->phy[actual_phy_idx].req_duplex =
  3015. params->req_duplex[link_cfg_idx];
  3016. if (params->req_line_speed[link_cfg_idx] ==
  3017. SPEED_AUTO_NEG)
  3018. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3019. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3020. " speed_cap_mask %x\n",
  3021. params->phy[actual_phy_idx].req_flow_ctrl,
  3022. params->phy[actual_phy_idx].req_line_speed,
  3023. params->phy[actual_phy_idx].speed_cap_mask);
  3024. }
  3025. }
  3026. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3027. struct bnx2x_phy *phy,
  3028. struct link_vars *vars)
  3029. {
  3030. u16 val;
  3031. struct bnx2x *bp = params->bp;
  3032. /* read modify write pause advertizing */
  3033. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3034. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3035. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3036. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3037. if ((vars->ieee_fc &
  3038. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3039. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3040. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3041. }
  3042. if ((vars->ieee_fc &
  3043. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3044. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3045. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3046. }
  3047. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3048. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3049. }
  3050. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3051. { /* LD LP */
  3052. switch (pause_result) { /* ASYM P ASYM P */
  3053. case 0xb: /* 1 0 1 1 */
  3054. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3055. break;
  3056. case 0xe: /* 1 1 1 0 */
  3057. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3058. break;
  3059. case 0x5: /* 0 1 0 1 */
  3060. case 0x7: /* 0 1 1 1 */
  3061. case 0xd: /* 1 1 0 1 */
  3062. case 0xf: /* 1 1 1 1 */
  3063. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3064. break;
  3065. default:
  3066. break;
  3067. }
  3068. if (pause_result & (1<<0))
  3069. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3070. if (pause_result & (1<<1))
  3071. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3072. }
  3073. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3074. struct link_params *params,
  3075. struct link_vars *vars)
  3076. {
  3077. struct bnx2x *bp = params->bp;
  3078. u16 ld_pause; /* local */
  3079. u16 lp_pause; /* link partner */
  3080. u16 pause_result;
  3081. u8 ret = 0;
  3082. /* read twice */
  3083. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3084. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3085. vars->flow_ctrl = phy->req_flow_ctrl;
  3086. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3087. vars->flow_ctrl = params->req_fc_auto_adv;
  3088. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3089. ret = 1;
  3090. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3091. bnx2x_cl22_read(bp, phy,
  3092. 0x4, &ld_pause);
  3093. bnx2x_cl22_read(bp, phy,
  3094. 0x5, &lp_pause);
  3095. } else {
  3096. bnx2x_cl45_read(bp, phy,
  3097. MDIO_AN_DEVAD,
  3098. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3099. bnx2x_cl45_read(bp, phy,
  3100. MDIO_AN_DEVAD,
  3101. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3102. }
  3103. pause_result = (ld_pause &
  3104. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3105. pause_result |= (lp_pause &
  3106. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3107. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3108. pause_result);
  3109. bnx2x_pause_resolve(vars, pause_result);
  3110. }
  3111. return ret;
  3112. }
  3113. /******************************************************************/
  3114. /* Warpcore section */
  3115. /******************************************************************/
  3116. /* The init_internal_warpcore should mirror the xgxs,
  3117. * i.e. reset the lane (if needed), set aer for the
  3118. * init configuration, and set/clear SGMII flag. Internal
  3119. * phy init is done purely in phy_init stage.
  3120. */
  3121. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3122. struct link_params *params,
  3123. struct link_vars *vars) {
  3124. u16 val16 = 0, lane, bam37 = 0;
  3125. struct bnx2x *bp = params->bp;
  3126. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3127. /* Check adding advertisement for 1G KX */
  3128. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3129. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3130. (vars->line_speed == SPEED_1000)) {
  3131. u16 sd_digital;
  3132. val16 |= (1<<5);
  3133. /* Enable CL37 1G Parallel Detect */
  3134. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3135. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3136. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3137. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3138. (sd_digital | 0x1));
  3139. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3140. }
  3141. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3142. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3143. (vars->line_speed == SPEED_10000)) {
  3144. /* Check adding advertisement for 10G KR */
  3145. val16 |= (1<<7);
  3146. /* Enable 10G Parallel Detect */
  3147. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3148. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3149. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3150. }
  3151. /* Set Transmit PMD settings */
  3152. lane = bnx2x_get_warpcore_lane(phy, params);
  3153. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3154. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3155. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3156. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3157. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3158. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3160. 0x03f0);
  3161. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3162. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3163. 0x03f0);
  3164. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3165. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3166. 0x383f);
  3167. /* Advertised speeds */
  3168. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3169. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3170. /* Enable CL37 BAM */
  3171. if (REG_RD(bp, params->shmem_base +
  3172. offsetof(struct shmem_region, dev_info.
  3173. port_hw_config[params->port].default_cfg)) &
  3174. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3175. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3176. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3177. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3179. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3180. }
  3181. /* Advertise pause */
  3182. bnx2x_ext_phy_set_pause(params, phy, vars);
  3183. /* Enable Autoneg */
  3184. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3185. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3186. /* Over 1G - AN local device user page 1 */
  3187. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3188. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3189. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3190. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3191. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3193. }
  3194. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3195. struct link_params *params,
  3196. struct link_vars *vars)
  3197. {
  3198. struct bnx2x *bp = params->bp;
  3199. u16 val;
  3200. /* Disable Autoneg */
  3201. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3203. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3204. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3205. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3206. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3207. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3208. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3209. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3210. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3211. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3212. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3213. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3214. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3215. /* Disable CL36 PCS Tx */
  3216. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3217. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3218. /* Double Wide Single Data Rate @ pll rate */
  3219. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3220. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3221. /* Leave cl72 training enable, needed for KR */
  3222. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3223. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3224. 0x2);
  3225. /* Leave CL72 enabled */
  3226. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3227. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3228. &val);
  3229. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3230. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3231. val | 0x3800);
  3232. /* Set speed via PMA/PMD register */
  3233. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3234. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3235. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3236. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3237. /*Enable encoded forced speed */
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3240. /* Turn TX scramble payload only the 64/66 scrambler */
  3241. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3242. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3243. /* Turn RX scramble payload only the 64/66 scrambler */
  3244. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3245. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3246. /* set and clear loopback to cause a reset to 64/66 decoder */
  3247. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3248. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3249. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3250. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3251. }
  3252. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3253. struct link_params *params,
  3254. u8 is_xfi)
  3255. {
  3256. struct bnx2x *bp = params->bp;
  3257. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3258. /* Hold rxSeqStart */
  3259. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3261. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3262. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3263. /* Hold tx_fifo_reset */
  3264. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3266. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3268. /* Disable CL73 AN */
  3269. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3270. /* Disable 100FX Enable and Auto-Detect */
  3271. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_FX100_CTRL1, &val);
  3273. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3274. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3275. /* Disable 100FX Idle detect */
  3276. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_FX100_CTRL3, &val);
  3278. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3279. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3280. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3281. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3282. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3283. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3284. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3285. /* Turn off auto-detect & fiber mode */
  3286. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3290. (val & 0xFFEE));
  3291. /* Set filter_force_link, disable_false_link and parallel_detect */
  3292. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3294. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3295. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3296. ((val | 0x0006) & 0xFFFE));
  3297. /* Set XFI / SFI */
  3298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3299. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3300. misc1_val &= ~(0x1f);
  3301. if (is_xfi) {
  3302. misc1_val |= 0x5;
  3303. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3304. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3305. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3306. tx_driver_val =
  3307. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3308. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3309. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3310. } else {
  3311. misc1_val |= 0x9;
  3312. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3313. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3314. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3315. tx_driver_val =
  3316. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3317. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3318. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3319. }
  3320. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3321. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3322. /* Set Transmit PMD settings */
  3323. lane = bnx2x_get_warpcore_lane(phy, params);
  3324. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3325. MDIO_WC_REG_TX_FIR_TAP,
  3326. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3327. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3329. tx_driver_val);
  3330. /* Enable fiber mode, enable and invert sig_det */
  3331. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3335. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3336. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3340. /* 10G XFI Full Duplex */
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3343. /* Release tx_fifo_reset */
  3344. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3348. /* Release rxSeqStart */
  3349. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3351. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3352. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3353. }
  3354. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3355. struct bnx2x_phy *phy)
  3356. {
  3357. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3358. }
  3359. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3360. struct bnx2x_phy *phy,
  3361. u16 lane)
  3362. {
  3363. /* Rx0 anaRxControl1G */
  3364. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3365. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3366. /* Rx2 anaRxControl1G */
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3371. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3385. /* Serdes Digital Misc1 */
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3388. /* Serdes Digital4 Misc3 */
  3389. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3390. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3391. /* Set Transmit PMD settings */
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_TX_FIR_TAP,
  3394. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3395. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3396. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3397. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3400. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3401. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3402. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3403. }
  3404. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3405. struct link_params *params,
  3406. u8 fiber_mode)
  3407. {
  3408. struct bnx2x *bp = params->bp;
  3409. u16 val16, digctrl_kx1, digctrl_kx2;
  3410. u8 lane;
  3411. lane = bnx2x_get_warpcore_lane(phy, params);
  3412. /* Clear XFI clock comp in non-10G single lane mode. */
  3413. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_RX66_CONTROL, &val16);
  3415. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3417. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3418. /* SGMII Autoneg */
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3423. val16 | 0x1000);
  3424. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3425. } else {
  3426. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3428. val16 &= 0xcfbf;
  3429. switch (phy->req_line_speed) {
  3430. case SPEED_10:
  3431. break;
  3432. case SPEED_100:
  3433. val16 |= 0x2000;
  3434. break;
  3435. case SPEED_1000:
  3436. val16 |= 0x0040;
  3437. break;
  3438. default:
  3439. DP(NETIF_MSG_LINK, "Speed not supported: 0x%x"
  3440. "\n", phy->req_line_speed);
  3441. return;
  3442. }
  3443. if (phy->req_duplex == DUPLEX_FULL)
  3444. val16 |= 0x0100;
  3445. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3447. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3448. phy->req_line_speed);
  3449. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3451. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3452. }
  3453. /* SGMII Slave mode and disable signal detect */
  3454. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3456. if (fiber_mode)
  3457. digctrl_kx1 = 1;
  3458. else
  3459. digctrl_kx1 &= 0xff4a;
  3460. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3462. digctrl_kx1);
  3463. /* Turn off parallel detect */
  3464. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3468. (digctrl_kx2 & ~(1<<2)));
  3469. /* Re-enable parallel detect */
  3470. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3472. (digctrl_kx2 | (1<<2)));
  3473. /* Enable autodet */
  3474. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3476. (digctrl_kx1 | 0x10));
  3477. }
  3478. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3479. struct bnx2x_phy *phy,
  3480. u8 reset)
  3481. {
  3482. u16 val;
  3483. /* Take lane out of reset after configuration is finished */
  3484. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3486. if (reset)
  3487. val |= 0xC000;
  3488. else
  3489. val &= 0x3FFF;
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3492. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3494. }
  3495. /* Clear SFI/XFI link settings registers */
  3496. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3497. struct link_params *params,
  3498. u16 lane)
  3499. {
  3500. struct bnx2x *bp = params->bp;
  3501. u16 val16;
  3502. /* Set XFI clock comp as default. */
  3503. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_RX66_CONTROL, &val16);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3507. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3508. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3511. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3521. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3523. lane = bnx2x_get_warpcore_lane(phy, params);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3532. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3533. }
  3534. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3535. u32 chip_id,
  3536. u32 shmem_base, u8 port,
  3537. u8 *gpio_num, u8 *gpio_port)
  3538. {
  3539. u32 cfg_pin;
  3540. *gpio_num = 0;
  3541. *gpio_port = 0;
  3542. if (CHIP_IS_E3(bp)) {
  3543. cfg_pin = (REG_RD(bp, shmem_base +
  3544. offsetof(struct shmem_region,
  3545. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3546. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3547. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3548. /*
  3549. * Should not happen. This function called upon interrupt
  3550. * triggered by GPIO ( since EPIO can only generate interrupts
  3551. * to MCP).
  3552. * So if this function was called and none of the GPIOs was set,
  3553. * it means the shit hit the fan.
  3554. */
  3555. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3556. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3557. DP(NETIF_MSG_LINK, "ERROR: Invalid cfg pin %x for "
  3558. "module detect indication\n",
  3559. cfg_pin);
  3560. return -EINVAL;
  3561. }
  3562. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3563. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3564. } else {
  3565. *gpio_num = MISC_REGISTERS_GPIO_3;
  3566. *gpio_port = port;
  3567. }
  3568. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3569. return 0;
  3570. }
  3571. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3572. struct link_params *params)
  3573. {
  3574. struct bnx2x *bp = params->bp;
  3575. u8 gpio_num, gpio_port;
  3576. u32 gpio_val;
  3577. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3578. params->shmem_base, params->port,
  3579. &gpio_num, &gpio_port) != 0)
  3580. return 0;
  3581. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3582. /* Call the handling function in case module is detected */
  3583. if (gpio_val == 0)
  3584. return 1;
  3585. else
  3586. return 0;
  3587. }
  3588. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3589. struct link_params *params,
  3590. struct link_vars *vars)
  3591. {
  3592. struct bnx2x *bp = params->bp;
  3593. u32 serdes_net_if;
  3594. u8 fiber_mode;
  3595. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3596. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3597. offsetof(struct shmem_region, dev_info.
  3598. port_hw_config[params->port].default_cfg)) &
  3599. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3600. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3601. "serdes_net_if = 0x%x\n",
  3602. vars->line_speed, serdes_net_if);
  3603. bnx2x_set_aer_mmd(params, phy);
  3604. vars->phy_flags |= PHY_XGXS_FLAG;
  3605. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3606. (phy->req_line_speed &&
  3607. ((phy->req_line_speed == SPEED_100) ||
  3608. (phy->req_line_speed == SPEED_10)))) {
  3609. vars->phy_flags |= PHY_SGMII_FLAG;
  3610. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3611. bnx2x_warpcore_clear_regs(phy, params, lane);
  3612. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3613. } else {
  3614. switch (serdes_net_if) {
  3615. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3616. /* Enable KR Auto Neg */
  3617. if (params->loopback_mode == LOOPBACK_NONE)
  3618. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3619. else {
  3620. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3621. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3622. }
  3623. break;
  3624. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3625. bnx2x_warpcore_clear_regs(phy, params, lane);
  3626. if (vars->line_speed == SPEED_10000) {
  3627. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3628. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3629. } else {
  3630. if (SINGLE_MEDIA_DIRECT(params)) {
  3631. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3632. fiber_mode = 1;
  3633. } else {
  3634. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3635. fiber_mode = 0;
  3636. }
  3637. bnx2x_warpcore_set_sgmii_speed(phy,
  3638. params,
  3639. fiber_mode);
  3640. }
  3641. break;
  3642. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3643. bnx2x_warpcore_clear_regs(phy, params, lane);
  3644. if (vars->line_speed == SPEED_10000) {
  3645. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3646. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3647. } else if (vars->line_speed == SPEED_1000) {
  3648. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3649. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3650. }
  3651. /* Issue Module detection */
  3652. if (bnx2x_is_sfp_module_plugged(phy, params))
  3653. bnx2x_sfp_module_detection(phy, params);
  3654. break;
  3655. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3656. if (vars->line_speed != SPEED_20000) {
  3657. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3658. return;
  3659. }
  3660. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3661. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3662. /* Issue Module detection */
  3663. bnx2x_sfp_module_detection(phy, params);
  3664. break;
  3665. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3666. if (vars->line_speed != SPEED_20000) {
  3667. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3668. return;
  3669. }
  3670. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3671. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3672. break;
  3673. default:
  3674. DP(NETIF_MSG_LINK, "Unsupported Serdes Net Interface "
  3675. "0x%x\n", serdes_net_if);
  3676. return;
  3677. }
  3678. }
  3679. /* Take lane out of reset after configuration is finished */
  3680. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3681. DP(NETIF_MSG_LINK, "Exit config init\n");
  3682. }
  3683. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3684. struct bnx2x_phy *phy,
  3685. u8 tx_en)
  3686. {
  3687. struct bnx2x *bp = params->bp;
  3688. u32 cfg_pin;
  3689. u8 port = params->port;
  3690. cfg_pin = REG_RD(bp, params->shmem_base +
  3691. offsetof(struct shmem_region,
  3692. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3693. PORT_HW_CFG_TX_LASER_MASK;
  3694. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3695. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3696. /* For 20G, the expected pin to be used is 3 pins after the current */
  3697. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3698. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3699. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3700. }
  3701. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3702. struct link_params *params)
  3703. {
  3704. struct bnx2x *bp = params->bp;
  3705. u16 val16;
  3706. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3707. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3708. bnx2x_set_aer_mmd(params, phy);
  3709. /* Global register */
  3710. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3711. /* Clear loopback settings (if any) */
  3712. /* 10G & 20G */
  3713. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3714. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3715. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3717. 0xBFFF);
  3718. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3720. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3721. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3722. /* Update those 1-copy registers */
  3723. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3724. MDIO_AER_BLOCK_AER_REG, 0);
  3725. /* Enable 1G MDIO (1-copy) */
  3726. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3727. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3728. &val16);
  3729. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3730. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3731. val16 & ~0x10);
  3732. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3733. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3734. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3735. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3736. val16 & 0xff00);
  3737. }
  3738. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3739. struct link_params *params)
  3740. {
  3741. struct bnx2x *bp = params->bp;
  3742. u16 val16;
  3743. u32 lane;
  3744. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3745. params->loopback_mode, phy->req_line_speed);
  3746. if (phy->req_line_speed < SPEED_10000) {
  3747. /* 10/100/1000 */
  3748. /* Update those 1-copy registers */
  3749. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3750. MDIO_AER_BLOCK_AER_REG, 0);
  3751. /* Enable 1G MDIO (1-copy) */
  3752. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3753. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3754. &val16);
  3755. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3756. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3757. val16 | 0x10);
  3758. /* Set 1G loopback based on lane (1-copy) */
  3759. lane = bnx2x_get_warpcore_lane(phy, params);
  3760. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3761. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3762. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3763. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3764. val16 | (1<<lane));
  3765. /* Switch back to 4-copy registers */
  3766. bnx2x_set_aer_mmd(params, phy);
  3767. /* Global loopback, not recommended. */
  3768. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3769. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3770. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3771. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3772. 0x4000);
  3773. } else {
  3774. /* 10G & 20G */
  3775. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3776. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3777. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3778. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3779. 0x4000);
  3780. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3781. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3782. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3783. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3784. }
  3785. }
  3786. void bnx2x_link_status_update(struct link_params *params,
  3787. struct link_vars *vars)
  3788. {
  3789. struct bnx2x *bp = params->bp;
  3790. u8 link_10g_plus;
  3791. u8 port = params->port;
  3792. u32 sync_offset, media_types;
  3793. /* Update PHY configuration */
  3794. set_phy_vars(params, vars);
  3795. vars->link_status = REG_RD(bp, params->shmem_base +
  3796. offsetof(struct shmem_region,
  3797. port_mb[port].link_status));
  3798. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3799. vars->phy_flags = PHY_XGXS_FLAG;
  3800. if (vars->link_up) {
  3801. DP(NETIF_MSG_LINK, "phy link up\n");
  3802. vars->phy_link_up = 1;
  3803. vars->duplex = DUPLEX_FULL;
  3804. switch (vars->link_status &
  3805. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3806. case LINK_10THD:
  3807. vars->duplex = DUPLEX_HALF;
  3808. /* fall thru */
  3809. case LINK_10TFD:
  3810. vars->line_speed = SPEED_10;
  3811. break;
  3812. case LINK_100TXHD:
  3813. vars->duplex = DUPLEX_HALF;
  3814. /* fall thru */
  3815. case LINK_100T4:
  3816. case LINK_100TXFD:
  3817. vars->line_speed = SPEED_100;
  3818. break;
  3819. case LINK_1000THD:
  3820. vars->duplex = DUPLEX_HALF;
  3821. /* fall thru */
  3822. case LINK_1000TFD:
  3823. vars->line_speed = SPEED_1000;
  3824. break;
  3825. case LINK_2500THD:
  3826. vars->duplex = DUPLEX_HALF;
  3827. /* fall thru */
  3828. case LINK_2500TFD:
  3829. vars->line_speed = SPEED_2500;
  3830. break;
  3831. case LINK_10GTFD:
  3832. vars->line_speed = SPEED_10000;
  3833. break;
  3834. case LINK_20GTFD:
  3835. vars->line_speed = SPEED_20000;
  3836. break;
  3837. default:
  3838. break;
  3839. }
  3840. vars->flow_ctrl = 0;
  3841. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3842. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3843. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3844. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3845. if (!vars->flow_ctrl)
  3846. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3847. if (vars->line_speed &&
  3848. ((vars->line_speed == SPEED_10) ||
  3849. (vars->line_speed == SPEED_100))) {
  3850. vars->phy_flags |= PHY_SGMII_FLAG;
  3851. } else {
  3852. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3853. }
  3854. if (vars->line_speed &&
  3855. USES_WARPCORE(bp) &&
  3856. (vars->line_speed == SPEED_1000))
  3857. vars->phy_flags |= PHY_SGMII_FLAG;
  3858. /* anything 10 and over uses the bmac */
  3859. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3860. if (link_10g_plus) {
  3861. if (USES_WARPCORE(bp))
  3862. vars->mac_type = MAC_TYPE_XMAC;
  3863. else
  3864. vars->mac_type = MAC_TYPE_BMAC;
  3865. } else {
  3866. if (USES_WARPCORE(bp))
  3867. vars->mac_type = MAC_TYPE_UMAC;
  3868. else
  3869. vars->mac_type = MAC_TYPE_EMAC;
  3870. }
  3871. } else { /* link down */
  3872. DP(NETIF_MSG_LINK, "phy link down\n");
  3873. vars->phy_link_up = 0;
  3874. vars->line_speed = 0;
  3875. vars->duplex = DUPLEX_FULL;
  3876. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3877. /* indicate no mac active */
  3878. vars->mac_type = MAC_TYPE_NONE;
  3879. }
  3880. /* Sync media type */
  3881. sync_offset = params->shmem_base +
  3882. offsetof(struct shmem_region,
  3883. dev_info.port_hw_config[port].media_type);
  3884. media_types = REG_RD(bp, sync_offset);
  3885. params->phy[INT_PHY].media_type =
  3886. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3887. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3888. params->phy[EXT_PHY1].media_type =
  3889. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3890. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3891. params->phy[EXT_PHY2].media_type =
  3892. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3893. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3894. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3895. /* Sync AEU offset */
  3896. sync_offset = params->shmem_base +
  3897. offsetof(struct shmem_region,
  3898. dev_info.port_hw_config[port].aeu_int_mask);
  3899. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3900. /* Sync PFC status */
  3901. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3902. params->feature_config_flags |=
  3903. FEATURE_CONFIG_PFC_ENABLED;
  3904. else
  3905. params->feature_config_flags &=
  3906. ~FEATURE_CONFIG_PFC_ENABLED;
  3907. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3908. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3909. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3910. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3911. }
  3912. static void bnx2x_set_master_ln(struct link_params *params,
  3913. struct bnx2x_phy *phy)
  3914. {
  3915. struct bnx2x *bp = params->bp;
  3916. u16 new_master_ln, ser_lane;
  3917. ser_lane = ((params->lane_config &
  3918. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3919. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3920. /* set the master_ln for AN */
  3921. CL22_RD_OVER_CL45(bp, phy,
  3922. MDIO_REG_BANK_XGXS_BLOCK2,
  3923. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3924. &new_master_ln);
  3925. CL22_WR_OVER_CL45(bp, phy,
  3926. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3927. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3928. (new_master_ln | ser_lane));
  3929. }
  3930. static int bnx2x_reset_unicore(struct link_params *params,
  3931. struct bnx2x_phy *phy,
  3932. u8 set_serdes)
  3933. {
  3934. struct bnx2x *bp = params->bp;
  3935. u16 mii_control;
  3936. u16 i;
  3937. CL22_RD_OVER_CL45(bp, phy,
  3938. MDIO_REG_BANK_COMBO_IEEE0,
  3939. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  3940. /* reset the unicore */
  3941. CL22_WR_OVER_CL45(bp, phy,
  3942. MDIO_REG_BANK_COMBO_IEEE0,
  3943. MDIO_COMBO_IEEE0_MII_CONTROL,
  3944. (mii_control |
  3945. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  3946. if (set_serdes)
  3947. bnx2x_set_serdes_access(bp, params->port);
  3948. /* wait for the reset to self clear */
  3949. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  3950. udelay(5);
  3951. /* the reset erased the previous bank value */
  3952. CL22_RD_OVER_CL45(bp, phy,
  3953. MDIO_REG_BANK_COMBO_IEEE0,
  3954. MDIO_COMBO_IEEE0_MII_CONTROL,
  3955. &mii_control);
  3956. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  3957. udelay(5);
  3958. return 0;
  3959. }
  3960. }
  3961. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  3962. " Port %d\n",
  3963. params->port);
  3964. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  3965. return -EINVAL;
  3966. }
  3967. static void bnx2x_set_swap_lanes(struct link_params *params,
  3968. struct bnx2x_phy *phy)
  3969. {
  3970. struct bnx2x *bp = params->bp;
  3971. /*
  3972. * Each two bits represents a lane number:
  3973. * No swap is 0123 => 0x1b no need to enable the swap
  3974. */
  3975. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  3976. ser_lane = ((params->lane_config &
  3977. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3978. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3979. rx_lane_swap = ((params->lane_config &
  3980. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  3981. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  3982. tx_lane_swap = ((params->lane_config &
  3983. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  3984. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  3985. if (rx_lane_swap != 0x1b) {
  3986. CL22_WR_OVER_CL45(bp, phy,
  3987. MDIO_REG_BANK_XGXS_BLOCK2,
  3988. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  3989. (rx_lane_swap |
  3990. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  3991. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  3992. } else {
  3993. CL22_WR_OVER_CL45(bp, phy,
  3994. MDIO_REG_BANK_XGXS_BLOCK2,
  3995. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  3996. }
  3997. if (tx_lane_swap != 0x1b) {
  3998. CL22_WR_OVER_CL45(bp, phy,
  3999. MDIO_REG_BANK_XGXS_BLOCK2,
  4000. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4001. (tx_lane_swap |
  4002. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4003. } else {
  4004. CL22_WR_OVER_CL45(bp, phy,
  4005. MDIO_REG_BANK_XGXS_BLOCK2,
  4006. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4007. }
  4008. }
  4009. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4010. struct link_params *params)
  4011. {
  4012. struct bnx2x *bp = params->bp;
  4013. u16 control2;
  4014. CL22_RD_OVER_CL45(bp, phy,
  4015. MDIO_REG_BANK_SERDES_DIGITAL,
  4016. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4017. &control2);
  4018. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4019. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4020. else
  4021. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4022. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4023. phy->speed_cap_mask, control2);
  4024. CL22_WR_OVER_CL45(bp, phy,
  4025. MDIO_REG_BANK_SERDES_DIGITAL,
  4026. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4027. control2);
  4028. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4029. (phy->speed_cap_mask &
  4030. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4031. DP(NETIF_MSG_LINK, "XGXS\n");
  4032. CL22_WR_OVER_CL45(bp, phy,
  4033. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4034. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4035. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4036. CL22_RD_OVER_CL45(bp, phy,
  4037. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4038. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4039. &control2);
  4040. control2 |=
  4041. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4042. CL22_WR_OVER_CL45(bp, phy,
  4043. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4044. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4045. control2);
  4046. /* Disable parallel detection of HiG */
  4047. CL22_WR_OVER_CL45(bp, phy,
  4048. MDIO_REG_BANK_XGXS_BLOCK2,
  4049. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4050. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4051. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4052. }
  4053. }
  4054. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4055. struct link_params *params,
  4056. struct link_vars *vars,
  4057. u8 enable_cl73)
  4058. {
  4059. struct bnx2x *bp = params->bp;
  4060. u16 reg_val;
  4061. /* CL37 Autoneg */
  4062. CL22_RD_OVER_CL45(bp, phy,
  4063. MDIO_REG_BANK_COMBO_IEEE0,
  4064. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4065. /* CL37 Autoneg Enabled */
  4066. if (vars->line_speed == SPEED_AUTO_NEG)
  4067. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4068. else /* CL37 Autoneg Disabled */
  4069. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4070. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4071. CL22_WR_OVER_CL45(bp, phy,
  4072. MDIO_REG_BANK_COMBO_IEEE0,
  4073. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4074. /* Enable/Disable Autodetection */
  4075. CL22_RD_OVER_CL45(bp, phy,
  4076. MDIO_REG_BANK_SERDES_DIGITAL,
  4077. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4078. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4079. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4080. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4081. if (vars->line_speed == SPEED_AUTO_NEG)
  4082. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4083. else
  4084. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4085. CL22_WR_OVER_CL45(bp, phy,
  4086. MDIO_REG_BANK_SERDES_DIGITAL,
  4087. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4088. /* Enable TetonII and BAM autoneg */
  4089. CL22_RD_OVER_CL45(bp, phy,
  4090. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4091. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4092. &reg_val);
  4093. if (vars->line_speed == SPEED_AUTO_NEG) {
  4094. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4095. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4096. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4097. } else {
  4098. /* TetonII and BAM Autoneg Disabled */
  4099. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4100. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4101. }
  4102. CL22_WR_OVER_CL45(bp, phy,
  4103. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4104. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4105. reg_val);
  4106. if (enable_cl73) {
  4107. /* Enable Cl73 FSM status bits */
  4108. CL22_WR_OVER_CL45(bp, phy,
  4109. MDIO_REG_BANK_CL73_USERB0,
  4110. MDIO_CL73_USERB0_CL73_UCTRL,
  4111. 0xe);
  4112. /* Enable BAM Station Manager*/
  4113. CL22_WR_OVER_CL45(bp, phy,
  4114. MDIO_REG_BANK_CL73_USERB0,
  4115. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4116. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4117. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4118. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4119. /* Advertise CL73 link speeds */
  4120. CL22_RD_OVER_CL45(bp, phy,
  4121. MDIO_REG_BANK_CL73_IEEEB1,
  4122. MDIO_CL73_IEEEB1_AN_ADV2,
  4123. &reg_val);
  4124. if (phy->speed_cap_mask &
  4125. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4126. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4127. if (phy->speed_cap_mask &
  4128. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4129. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4130. CL22_WR_OVER_CL45(bp, phy,
  4131. MDIO_REG_BANK_CL73_IEEEB1,
  4132. MDIO_CL73_IEEEB1_AN_ADV2,
  4133. reg_val);
  4134. /* CL73 Autoneg Enabled */
  4135. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4136. } else /* CL73 Autoneg Disabled */
  4137. reg_val = 0;
  4138. CL22_WR_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_CL73_IEEEB0,
  4140. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4141. }
  4142. /* program SerDes, forced speed */
  4143. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4144. struct link_params *params,
  4145. struct link_vars *vars)
  4146. {
  4147. struct bnx2x *bp = params->bp;
  4148. u16 reg_val;
  4149. /* program duplex, disable autoneg and sgmii*/
  4150. CL22_RD_OVER_CL45(bp, phy,
  4151. MDIO_REG_BANK_COMBO_IEEE0,
  4152. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4153. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4154. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4155. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4156. if (phy->req_duplex == DUPLEX_FULL)
  4157. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4158. CL22_WR_OVER_CL45(bp, phy,
  4159. MDIO_REG_BANK_COMBO_IEEE0,
  4160. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4161. /*
  4162. * program speed
  4163. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4164. */
  4165. CL22_RD_OVER_CL45(bp, phy,
  4166. MDIO_REG_BANK_SERDES_DIGITAL,
  4167. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4168. /* clearing the speed value before setting the right speed */
  4169. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4170. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4171. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4172. if (!((vars->line_speed == SPEED_1000) ||
  4173. (vars->line_speed == SPEED_100) ||
  4174. (vars->line_speed == SPEED_10))) {
  4175. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4176. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4177. if (vars->line_speed == SPEED_10000)
  4178. reg_val |=
  4179. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4180. }
  4181. CL22_WR_OVER_CL45(bp, phy,
  4182. MDIO_REG_BANK_SERDES_DIGITAL,
  4183. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4184. }
  4185. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4186. struct link_params *params)
  4187. {
  4188. struct bnx2x *bp = params->bp;
  4189. u16 val = 0;
  4190. /* configure the 48 bits for BAM AN */
  4191. /* set extended capabilities */
  4192. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4193. val |= MDIO_OVER_1G_UP1_2_5G;
  4194. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4195. val |= MDIO_OVER_1G_UP1_10G;
  4196. CL22_WR_OVER_CL45(bp, phy,
  4197. MDIO_REG_BANK_OVER_1G,
  4198. MDIO_OVER_1G_UP1, val);
  4199. CL22_WR_OVER_CL45(bp, phy,
  4200. MDIO_REG_BANK_OVER_1G,
  4201. MDIO_OVER_1G_UP3, 0x400);
  4202. }
  4203. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4204. struct link_params *params,
  4205. u16 ieee_fc)
  4206. {
  4207. struct bnx2x *bp = params->bp;
  4208. u16 val;
  4209. /* for AN, we are always publishing full duplex */
  4210. CL22_WR_OVER_CL45(bp, phy,
  4211. MDIO_REG_BANK_COMBO_IEEE0,
  4212. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4213. CL22_RD_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_CL73_IEEEB1,
  4215. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4216. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4217. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4218. CL22_WR_OVER_CL45(bp, phy,
  4219. MDIO_REG_BANK_CL73_IEEEB1,
  4220. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4221. }
  4222. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4223. struct link_params *params,
  4224. u8 enable_cl73)
  4225. {
  4226. struct bnx2x *bp = params->bp;
  4227. u16 mii_control;
  4228. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4229. /* Enable and restart BAM/CL37 aneg */
  4230. if (enable_cl73) {
  4231. CL22_RD_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_CL73_IEEEB0,
  4233. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4234. &mii_control);
  4235. CL22_WR_OVER_CL45(bp, phy,
  4236. MDIO_REG_BANK_CL73_IEEEB0,
  4237. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4238. (mii_control |
  4239. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4240. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4241. } else {
  4242. CL22_RD_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_COMBO_IEEE0,
  4244. MDIO_COMBO_IEEE0_MII_CONTROL,
  4245. &mii_control);
  4246. DP(NETIF_MSG_LINK,
  4247. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4248. mii_control);
  4249. CL22_WR_OVER_CL45(bp, phy,
  4250. MDIO_REG_BANK_COMBO_IEEE0,
  4251. MDIO_COMBO_IEEE0_MII_CONTROL,
  4252. (mii_control |
  4253. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4254. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4255. }
  4256. }
  4257. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4258. struct link_params *params,
  4259. struct link_vars *vars)
  4260. {
  4261. struct bnx2x *bp = params->bp;
  4262. u16 control1;
  4263. /* in SGMII mode, the unicore is always slave */
  4264. CL22_RD_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_SERDES_DIGITAL,
  4266. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4267. &control1);
  4268. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4269. /* set sgmii mode (and not fiber) */
  4270. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4271. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4272. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4273. CL22_WR_OVER_CL45(bp, phy,
  4274. MDIO_REG_BANK_SERDES_DIGITAL,
  4275. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4276. control1);
  4277. /* if forced speed */
  4278. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4279. /* set speed, disable autoneg */
  4280. u16 mii_control;
  4281. CL22_RD_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_COMBO_IEEE0,
  4283. MDIO_COMBO_IEEE0_MII_CONTROL,
  4284. &mii_control);
  4285. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4286. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4287. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4288. switch (vars->line_speed) {
  4289. case SPEED_100:
  4290. mii_control |=
  4291. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4292. break;
  4293. case SPEED_1000:
  4294. mii_control |=
  4295. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4296. break;
  4297. case SPEED_10:
  4298. /* there is nothing to set for 10M */
  4299. break;
  4300. default:
  4301. /* invalid speed for SGMII */
  4302. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4303. vars->line_speed);
  4304. break;
  4305. }
  4306. /* setting the full duplex */
  4307. if (phy->req_duplex == DUPLEX_FULL)
  4308. mii_control |=
  4309. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4310. CL22_WR_OVER_CL45(bp, phy,
  4311. MDIO_REG_BANK_COMBO_IEEE0,
  4312. MDIO_COMBO_IEEE0_MII_CONTROL,
  4313. mii_control);
  4314. } else { /* AN mode */
  4315. /* enable and restart AN */
  4316. bnx2x_restart_autoneg(phy, params, 0);
  4317. }
  4318. }
  4319. /*
  4320. * link management
  4321. */
  4322. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4323. struct link_params *params)
  4324. {
  4325. struct bnx2x *bp = params->bp;
  4326. u16 pd_10g, status2_1000x;
  4327. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4328. return 0;
  4329. CL22_RD_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_SERDES_DIGITAL,
  4331. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4332. &status2_1000x);
  4333. CL22_RD_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_SERDES_DIGITAL,
  4335. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4336. &status2_1000x);
  4337. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4338. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4339. params->port);
  4340. return 1;
  4341. }
  4342. CL22_RD_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4344. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4345. &pd_10g);
  4346. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4347. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4348. params->port);
  4349. return 1;
  4350. }
  4351. return 0;
  4352. }
  4353. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4354. struct link_params *params,
  4355. struct link_vars *vars,
  4356. u32 gp_status)
  4357. {
  4358. struct bnx2x *bp = params->bp;
  4359. u16 ld_pause; /* local driver */
  4360. u16 lp_pause; /* link partner */
  4361. u16 pause_result;
  4362. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4363. /* resolve from gp_status in case of AN complete and not sgmii */
  4364. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4365. vars->flow_ctrl = phy->req_flow_ctrl;
  4366. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4367. vars->flow_ctrl = params->req_fc_auto_adv;
  4368. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4369. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4370. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4371. vars->flow_ctrl = params->req_fc_auto_adv;
  4372. return;
  4373. }
  4374. if ((gp_status &
  4375. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4376. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4377. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4378. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4379. CL22_RD_OVER_CL45(bp, phy,
  4380. MDIO_REG_BANK_CL73_IEEEB1,
  4381. MDIO_CL73_IEEEB1_AN_ADV1,
  4382. &ld_pause);
  4383. CL22_RD_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_CL73_IEEEB1,
  4385. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4386. &lp_pause);
  4387. pause_result = (ld_pause &
  4388. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4389. >> 8;
  4390. pause_result |= (lp_pause &
  4391. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4392. >> 10;
  4393. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4394. pause_result);
  4395. } else {
  4396. CL22_RD_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_COMBO_IEEE0,
  4398. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4399. &ld_pause);
  4400. CL22_RD_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_COMBO_IEEE0,
  4402. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4403. &lp_pause);
  4404. pause_result = (ld_pause &
  4405. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4406. pause_result |= (lp_pause &
  4407. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4408. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4409. pause_result);
  4410. }
  4411. bnx2x_pause_resolve(vars, pause_result);
  4412. }
  4413. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4414. }
  4415. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4416. struct link_params *params)
  4417. {
  4418. struct bnx2x *bp = params->bp;
  4419. u16 rx_status, ustat_val, cl37_fsm_received;
  4420. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4421. /* Step 1: Make sure signal is detected */
  4422. CL22_RD_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_RX0,
  4424. MDIO_RX0_RX_STATUS,
  4425. &rx_status);
  4426. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4427. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4428. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4429. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4430. CL22_WR_OVER_CL45(bp, phy,
  4431. MDIO_REG_BANK_CL73_IEEEB0,
  4432. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4433. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4434. return;
  4435. }
  4436. /* Step 2: Check CL73 state machine */
  4437. CL22_RD_OVER_CL45(bp, phy,
  4438. MDIO_REG_BANK_CL73_USERB0,
  4439. MDIO_CL73_USERB0_CL73_USTAT1,
  4440. &ustat_val);
  4441. if ((ustat_val &
  4442. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4443. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4444. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4445. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4446. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4447. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4448. return;
  4449. }
  4450. /*
  4451. * Step 3: Check CL37 Message Pages received to indicate LP
  4452. * supports only CL37
  4453. */
  4454. CL22_RD_OVER_CL45(bp, phy,
  4455. MDIO_REG_BANK_REMOTE_PHY,
  4456. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4457. &cl37_fsm_received);
  4458. if ((cl37_fsm_received &
  4459. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4460. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4461. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4462. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4463. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4464. "misc_rx_status(0x8330) = 0x%x\n",
  4465. cl37_fsm_received);
  4466. return;
  4467. }
  4468. /*
  4469. * The combined cl37/cl73 fsm state information indicating that
  4470. * we are connected to a device which does not support cl73, but
  4471. * does support cl37 BAM. In this case we disable cl73 and
  4472. * restart cl37 auto-neg
  4473. */
  4474. /* Disable CL73 */
  4475. CL22_WR_OVER_CL45(bp, phy,
  4476. MDIO_REG_BANK_CL73_IEEEB0,
  4477. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4478. 0);
  4479. /* Restart CL37 autoneg */
  4480. bnx2x_restart_autoneg(phy, params, 0);
  4481. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4482. }
  4483. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4484. struct link_params *params,
  4485. struct link_vars *vars,
  4486. u32 gp_status)
  4487. {
  4488. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4489. vars->link_status |=
  4490. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4491. if (bnx2x_direct_parallel_detect_used(phy, params))
  4492. vars->link_status |=
  4493. LINK_STATUS_PARALLEL_DETECTION_USED;
  4494. }
  4495. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4496. struct link_params *params,
  4497. struct link_vars *vars,
  4498. u16 is_link_up,
  4499. u16 speed_mask,
  4500. u16 is_duplex)
  4501. {
  4502. struct bnx2x *bp = params->bp;
  4503. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4504. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4505. if (is_link_up) {
  4506. DP(NETIF_MSG_LINK, "phy link up\n");
  4507. vars->phy_link_up = 1;
  4508. vars->link_status |= LINK_STATUS_LINK_UP;
  4509. switch (speed_mask) {
  4510. case GP_STATUS_10M:
  4511. vars->line_speed = SPEED_10;
  4512. if (vars->duplex == DUPLEX_FULL)
  4513. vars->link_status |= LINK_10TFD;
  4514. else
  4515. vars->link_status |= LINK_10THD;
  4516. break;
  4517. case GP_STATUS_100M:
  4518. vars->line_speed = SPEED_100;
  4519. if (vars->duplex == DUPLEX_FULL)
  4520. vars->link_status |= LINK_100TXFD;
  4521. else
  4522. vars->link_status |= LINK_100TXHD;
  4523. break;
  4524. case GP_STATUS_1G:
  4525. case GP_STATUS_1G_KX:
  4526. vars->line_speed = SPEED_1000;
  4527. if (vars->duplex == DUPLEX_FULL)
  4528. vars->link_status |= LINK_1000TFD;
  4529. else
  4530. vars->link_status |= LINK_1000THD;
  4531. break;
  4532. case GP_STATUS_2_5G:
  4533. vars->line_speed = SPEED_2500;
  4534. if (vars->duplex == DUPLEX_FULL)
  4535. vars->link_status |= LINK_2500TFD;
  4536. else
  4537. vars->link_status |= LINK_2500THD;
  4538. break;
  4539. case GP_STATUS_5G:
  4540. case GP_STATUS_6G:
  4541. DP(NETIF_MSG_LINK,
  4542. "link speed unsupported gp_status 0x%x\n",
  4543. speed_mask);
  4544. return -EINVAL;
  4545. case GP_STATUS_10G_KX4:
  4546. case GP_STATUS_10G_HIG:
  4547. case GP_STATUS_10G_CX4:
  4548. case GP_STATUS_10G_KR:
  4549. case GP_STATUS_10G_SFI:
  4550. case GP_STATUS_10G_XFI:
  4551. vars->line_speed = SPEED_10000;
  4552. vars->link_status |= LINK_10GTFD;
  4553. break;
  4554. case GP_STATUS_20G_DXGXS:
  4555. vars->line_speed = SPEED_20000;
  4556. vars->link_status |= LINK_20GTFD;
  4557. break;
  4558. default:
  4559. DP(NETIF_MSG_LINK,
  4560. "link speed unsupported gp_status 0x%x\n",
  4561. speed_mask);
  4562. return -EINVAL;
  4563. }
  4564. } else { /* link_down */
  4565. DP(NETIF_MSG_LINK, "phy link down\n");
  4566. vars->phy_link_up = 0;
  4567. vars->duplex = DUPLEX_FULL;
  4568. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4569. vars->mac_type = MAC_TYPE_NONE;
  4570. }
  4571. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4572. vars->phy_link_up, vars->line_speed);
  4573. return 0;
  4574. }
  4575. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4576. struct link_params *params,
  4577. struct link_vars *vars)
  4578. {
  4579. struct bnx2x *bp = params->bp;
  4580. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4581. int rc = 0;
  4582. /* Read gp_status */
  4583. CL22_RD_OVER_CL45(bp, phy,
  4584. MDIO_REG_BANK_GP_STATUS,
  4585. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4586. &gp_status);
  4587. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4588. duplex = DUPLEX_FULL;
  4589. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4590. link_up = 1;
  4591. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4592. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4593. gp_status, link_up, speed_mask);
  4594. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4595. duplex);
  4596. if (rc == -EINVAL)
  4597. return rc;
  4598. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4599. if (SINGLE_MEDIA_DIRECT(params)) {
  4600. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4601. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4602. bnx2x_xgxs_an_resolve(phy, params, vars,
  4603. gp_status);
  4604. }
  4605. } else { /* link_down */
  4606. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4607. SINGLE_MEDIA_DIRECT(params)) {
  4608. /* Check signal is detected */
  4609. bnx2x_check_fallback_to_cl37(phy, params);
  4610. }
  4611. }
  4612. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4613. vars->duplex, vars->flow_ctrl, vars->link_status);
  4614. return rc;
  4615. }
  4616. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4617. struct link_params *params,
  4618. struct link_vars *vars)
  4619. {
  4620. struct bnx2x *bp = params->bp;
  4621. u8 lane;
  4622. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4623. int rc = 0;
  4624. lane = bnx2x_get_warpcore_lane(phy, params);
  4625. /* Read gp_status */
  4626. if (phy->req_line_speed > SPEED_10000) {
  4627. u16 temp_link_up;
  4628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4629. 1, &temp_link_up);
  4630. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4631. 1, &link_up);
  4632. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4633. temp_link_up, link_up);
  4634. link_up &= (1<<2);
  4635. if (link_up)
  4636. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4637. } else {
  4638. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4639. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4640. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4641. /* Check for either KR or generic link up. */
  4642. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4643. ((gp_status1 >> 12) & 0xf);
  4644. link_up = gp_status1 & (1 << lane);
  4645. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4646. u16 pd, gp_status4;
  4647. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4648. /* Check Autoneg complete */
  4649. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4650. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4651. &gp_status4);
  4652. if (gp_status4 & ((1<<12)<<lane))
  4653. vars->link_status |=
  4654. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4655. /* Check parallel detect used */
  4656. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4657. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4658. &pd);
  4659. if (pd & (1<<15))
  4660. vars->link_status |=
  4661. LINK_STATUS_PARALLEL_DETECTION_USED;
  4662. }
  4663. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4664. }
  4665. }
  4666. if (lane < 2) {
  4667. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4668. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4669. } else {
  4670. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4671. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4672. }
  4673. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4674. if ((lane & 1) == 0)
  4675. gp_speed <<= 8;
  4676. gp_speed &= 0x3f00;
  4677. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4678. duplex);
  4679. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4680. vars->duplex, vars->flow_ctrl, vars->link_status);
  4681. return rc;
  4682. }
  4683. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4684. {
  4685. struct bnx2x *bp = params->bp;
  4686. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4687. u16 lp_up2;
  4688. u16 tx_driver;
  4689. u16 bank;
  4690. /* read precomp */
  4691. CL22_RD_OVER_CL45(bp, phy,
  4692. MDIO_REG_BANK_OVER_1G,
  4693. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4694. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4695. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4696. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4697. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4698. if (lp_up2 == 0)
  4699. return;
  4700. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4701. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4702. CL22_RD_OVER_CL45(bp, phy,
  4703. bank,
  4704. MDIO_TX0_TX_DRIVER, &tx_driver);
  4705. /* replace tx_driver bits [15:12] */
  4706. if (lp_up2 !=
  4707. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4708. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4709. tx_driver |= lp_up2;
  4710. CL22_WR_OVER_CL45(bp, phy,
  4711. bank,
  4712. MDIO_TX0_TX_DRIVER, tx_driver);
  4713. }
  4714. }
  4715. }
  4716. static int bnx2x_emac_program(struct link_params *params,
  4717. struct link_vars *vars)
  4718. {
  4719. struct bnx2x *bp = params->bp;
  4720. u8 port = params->port;
  4721. u16 mode = 0;
  4722. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4723. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4724. EMAC_REG_EMAC_MODE,
  4725. (EMAC_MODE_25G_MODE |
  4726. EMAC_MODE_PORT_MII_10M |
  4727. EMAC_MODE_HALF_DUPLEX));
  4728. switch (vars->line_speed) {
  4729. case SPEED_10:
  4730. mode |= EMAC_MODE_PORT_MII_10M;
  4731. break;
  4732. case SPEED_100:
  4733. mode |= EMAC_MODE_PORT_MII;
  4734. break;
  4735. case SPEED_1000:
  4736. mode |= EMAC_MODE_PORT_GMII;
  4737. break;
  4738. case SPEED_2500:
  4739. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4740. break;
  4741. default:
  4742. /* 10G not valid for EMAC */
  4743. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4744. vars->line_speed);
  4745. return -EINVAL;
  4746. }
  4747. if (vars->duplex == DUPLEX_HALF)
  4748. mode |= EMAC_MODE_HALF_DUPLEX;
  4749. bnx2x_bits_en(bp,
  4750. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4751. mode);
  4752. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4753. return 0;
  4754. }
  4755. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4756. struct link_params *params)
  4757. {
  4758. u16 bank, i = 0;
  4759. struct bnx2x *bp = params->bp;
  4760. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4761. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4762. CL22_WR_OVER_CL45(bp, phy,
  4763. bank,
  4764. MDIO_RX0_RX_EQ_BOOST,
  4765. phy->rx_preemphasis[i]);
  4766. }
  4767. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4768. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4769. CL22_WR_OVER_CL45(bp, phy,
  4770. bank,
  4771. MDIO_TX0_TX_DRIVER,
  4772. phy->tx_preemphasis[i]);
  4773. }
  4774. }
  4775. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4776. struct link_params *params,
  4777. struct link_vars *vars)
  4778. {
  4779. struct bnx2x *bp = params->bp;
  4780. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4781. (params->loopback_mode == LOOPBACK_XGXS));
  4782. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4783. if (SINGLE_MEDIA_DIRECT(params) &&
  4784. (params->feature_config_flags &
  4785. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4786. bnx2x_set_preemphasis(phy, params);
  4787. /* forced speed requested? */
  4788. if (vars->line_speed != SPEED_AUTO_NEG ||
  4789. (SINGLE_MEDIA_DIRECT(params) &&
  4790. params->loopback_mode == LOOPBACK_EXT)) {
  4791. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4792. /* disable autoneg */
  4793. bnx2x_set_autoneg(phy, params, vars, 0);
  4794. /* program speed and duplex */
  4795. bnx2x_program_serdes(phy, params, vars);
  4796. } else { /* AN_mode */
  4797. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4798. /* AN enabled */
  4799. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4800. /* program duplex & pause advertisement (for aneg) */
  4801. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4802. vars->ieee_fc);
  4803. /* enable autoneg */
  4804. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4805. /* enable and restart AN */
  4806. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4807. }
  4808. } else { /* SGMII mode */
  4809. DP(NETIF_MSG_LINK, "SGMII\n");
  4810. bnx2x_initialize_sgmii_process(phy, params, vars);
  4811. }
  4812. }
  4813. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4814. struct link_params *params,
  4815. struct link_vars *vars)
  4816. {
  4817. int rc;
  4818. vars->phy_flags |= PHY_XGXS_FLAG;
  4819. if ((phy->req_line_speed &&
  4820. ((phy->req_line_speed == SPEED_100) ||
  4821. (phy->req_line_speed == SPEED_10))) ||
  4822. (!phy->req_line_speed &&
  4823. (phy->speed_cap_mask >=
  4824. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4825. (phy->speed_cap_mask <
  4826. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4827. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4828. vars->phy_flags |= PHY_SGMII_FLAG;
  4829. else
  4830. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4831. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4832. bnx2x_set_aer_mmd(params, phy);
  4833. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4834. bnx2x_set_master_ln(params, phy);
  4835. rc = bnx2x_reset_unicore(params, phy, 0);
  4836. /* reset the SerDes and wait for reset bit return low */
  4837. if (rc != 0)
  4838. return rc;
  4839. bnx2x_set_aer_mmd(params, phy);
  4840. /* setting the masterLn_def again after the reset */
  4841. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4842. bnx2x_set_master_ln(params, phy);
  4843. bnx2x_set_swap_lanes(params, phy);
  4844. }
  4845. return rc;
  4846. }
  4847. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4848. struct bnx2x_phy *phy,
  4849. struct link_params *params)
  4850. {
  4851. u16 cnt, ctrl;
  4852. /* Wait for soft reset to get cleared up to 1 sec */
  4853. for (cnt = 0; cnt < 1000; cnt++) {
  4854. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4855. bnx2x_cl22_read(bp, phy,
  4856. MDIO_PMA_REG_CTRL, &ctrl);
  4857. else
  4858. bnx2x_cl45_read(bp, phy,
  4859. MDIO_PMA_DEVAD,
  4860. MDIO_PMA_REG_CTRL, &ctrl);
  4861. if (!(ctrl & (1<<15)))
  4862. break;
  4863. msleep(1);
  4864. }
  4865. if (cnt == 1000)
  4866. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4867. " Port %d\n",
  4868. params->port);
  4869. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4870. return cnt;
  4871. }
  4872. static void bnx2x_link_int_enable(struct link_params *params)
  4873. {
  4874. u8 port = params->port;
  4875. u32 mask;
  4876. struct bnx2x *bp = params->bp;
  4877. /* Setting the status to report on link up for either XGXS or SerDes */
  4878. if (CHIP_IS_E3(bp)) {
  4879. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4880. if (!(SINGLE_MEDIA_DIRECT(params)))
  4881. mask |= NIG_MASK_MI_INT;
  4882. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4883. mask = (NIG_MASK_XGXS0_LINK10G |
  4884. NIG_MASK_XGXS0_LINK_STATUS);
  4885. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4886. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4887. params->phy[INT_PHY].type !=
  4888. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4889. mask |= NIG_MASK_MI_INT;
  4890. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4891. }
  4892. } else { /* SerDes */
  4893. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4894. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4895. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4896. params->phy[INT_PHY].type !=
  4897. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4898. mask |= NIG_MASK_MI_INT;
  4899. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4900. }
  4901. }
  4902. bnx2x_bits_en(bp,
  4903. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4904. mask);
  4905. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  4906. (params->switch_cfg == SWITCH_CFG_10G),
  4907. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  4908. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  4909. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  4910. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  4911. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  4912. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  4913. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  4914. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  4915. }
  4916. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  4917. u8 exp_mi_int)
  4918. {
  4919. u32 latch_status = 0;
  4920. /*
  4921. * Disable the MI INT ( external phy int ) by writing 1 to the
  4922. * status register. Link down indication is high-active-signal,
  4923. * so in this case we need to write the status to clear the XOR
  4924. */
  4925. /* Read Latched signals */
  4926. latch_status = REG_RD(bp,
  4927. NIG_REG_LATCH_STATUS_0 + port*8);
  4928. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  4929. /* Handle only those with latched-signal=up.*/
  4930. if (exp_mi_int)
  4931. bnx2x_bits_en(bp,
  4932. NIG_REG_STATUS_INTERRUPT_PORT0
  4933. + port*4,
  4934. NIG_STATUS_EMAC0_MI_INT);
  4935. else
  4936. bnx2x_bits_dis(bp,
  4937. NIG_REG_STATUS_INTERRUPT_PORT0
  4938. + port*4,
  4939. NIG_STATUS_EMAC0_MI_INT);
  4940. if (latch_status & 1) {
  4941. /* For all latched-signal=up : Re-Arm Latch signals */
  4942. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  4943. (latch_status & 0xfffe) | (latch_status & 1));
  4944. }
  4945. /* For all latched-signal=up,Write original_signal to status */
  4946. }
  4947. static void bnx2x_link_int_ack(struct link_params *params,
  4948. struct link_vars *vars, u8 is_10g_plus)
  4949. {
  4950. struct bnx2x *bp = params->bp;
  4951. u8 port = params->port;
  4952. u32 mask;
  4953. /*
  4954. * First reset all status we assume only one line will be
  4955. * change at a time
  4956. */
  4957. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4958. (NIG_STATUS_XGXS0_LINK10G |
  4959. NIG_STATUS_XGXS0_LINK_STATUS |
  4960. NIG_STATUS_SERDES0_LINK_STATUS));
  4961. if (vars->phy_link_up) {
  4962. if (USES_WARPCORE(bp))
  4963. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  4964. else {
  4965. if (is_10g_plus)
  4966. mask = NIG_STATUS_XGXS0_LINK10G;
  4967. else if (params->switch_cfg == SWITCH_CFG_10G) {
  4968. /*
  4969. * Disable the link interrupt by writing 1 to
  4970. * the relevant lane in the status register
  4971. */
  4972. u32 ser_lane =
  4973. ((params->lane_config &
  4974. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4975. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4976. mask = ((1 << ser_lane) <<
  4977. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  4978. } else
  4979. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  4980. }
  4981. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  4982. mask);
  4983. bnx2x_bits_en(bp,
  4984. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  4985. mask);
  4986. }
  4987. }
  4988. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  4989. {
  4990. u8 *str_ptr = str;
  4991. u32 mask = 0xf0000000;
  4992. u8 shift = 8*4;
  4993. u8 digit;
  4994. u8 remove_leading_zeros = 1;
  4995. if (*len < 10) {
  4996. /* Need more than 10chars for this format */
  4997. *str_ptr = '\0';
  4998. (*len)--;
  4999. return -EINVAL;
  5000. }
  5001. while (shift > 0) {
  5002. shift -= 4;
  5003. digit = ((num & mask) >> shift);
  5004. if (digit == 0 && remove_leading_zeros) {
  5005. mask = mask >> 4;
  5006. continue;
  5007. } else if (digit < 0xa)
  5008. *str_ptr = digit + '0';
  5009. else
  5010. *str_ptr = digit - 0xa + 'a';
  5011. remove_leading_zeros = 0;
  5012. str_ptr++;
  5013. (*len)--;
  5014. mask = mask >> 4;
  5015. if (shift == 4*4) {
  5016. *str_ptr = '.';
  5017. str_ptr++;
  5018. (*len)--;
  5019. remove_leading_zeros = 1;
  5020. }
  5021. }
  5022. return 0;
  5023. }
  5024. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5025. {
  5026. str[0] = '\0';
  5027. (*len)--;
  5028. return 0;
  5029. }
  5030. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5031. u8 *version, u16 len)
  5032. {
  5033. struct bnx2x *bp;
  5034. u32 spirom_ver = 0;
  5035. int status = 0;
  5036. u8 *ver_p = version;
  5037. u16 remain_len = len;
  5038. if (version == NULL || params == NULL)
  5039. return -EINVAL;
  5040. bp = params->bp;
  5041. /* Extract first external phy*/
  5042. version[0] = '\0';
  5043. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5044. if (params->phy[EXT_PHY1].format_fw_ver) {
  5045. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5046. ver_p,
  5047. &remain_len);
  5048. ver_p += (len - remain_len);
  5049. }
  5050. if ((params->num_phys == MAX_PHYS) &&
  5051. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5052. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5053. if (params->phy[EXT_PHY2].format_fw_ver) {
  5054. *ver_p = '/';
  5055. ver_p++;
  5056. remain_len--;
  5057. status |= params->phy[EXT_PHY2].format_fw_ver(
  5058. spirom_ver,
  5059. ver_p,
  5060. &remain_len);
  5061. ver_p = version + (len - remain_len);
  5062. }
  5063. }
  5064. *ver_p = '\0';
  5065. return status;
  5066. }
  5067. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5068. struct link_params *params)
  5069. {
  5070. u8 port = params->port;
  5071. struct bnx2x *bp = params->bp;
  5072. if (phy->req_line_speed != SPEED_1000) {
  5073. u32 md_devad = 0;
  5074. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5075. if (!CHIP_IS_E3(bp)) {
  5076. /* change the uni_phy_addr in the nig */
  5077. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5078. port*0x18));
  5079. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5080. 0x5);
  5081. }
  5082. bnx2x_cl45_write(bp, phy,
  5083. 5,
  5084. (MDIO_REG_BANK_AER_BLOCK +
  5085. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5086. 0x2800);
  5087. bnx2x_cl45_write(bp, phy,
  5088. 5,
  5089. (MDIO_REG_BANK_CL73_IEEEB0 +
  5090. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5091. 0x6041);
  5092. msleep(200);
  5093. /* set aer mmd back */
  5094. bnx2x_set_aer_mmd(params, phy);
  5095. if (!CHIP_IS_E3(bp)) {
  5096. /* and md_devad */
  5097. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5098. md_devad);
  5099. }
  5100. } else {
  5101. u16 mii_ctrl;
  5102. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5103. bnx2x_cl45_read(bp, phy, 5,
  5104. (MDIO_REG_BANK_COMBO_IEEE0 +
  5105. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5106. &mii_ctrl);
  5107. bnx2x_cl45_write(bp, phy, 5,
  5108. (MDIO_REG_BANK_COMBO_IEEE0 +
  5109. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5110. mii_ctrl |
  5111. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5112. }
  5113. }
  5114. int bnx2x_set_led(struct link_params *params,
  5115. struct link_vars *vars, u8 mode, u32 speed)
  5116. {
  5117. u8 port = params->port;
  5118. u16 hw_led_mode = params->hw_led_mode;
  5119. int rc = 0;
  5120. u8 phy_idx;
  5121. u32 tmp;
  5122. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5123. struct bnx2x *bp = params->bp;
  5124. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5125. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5126. speed, hw_led_mode);
  5127. /* In case */
  5128. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5129. if (params->phy[phy_idx].set_link_led) {
  5130. params->phy[phy_idx].set_link_led(
  5131. &params->phy[phy_idx], params, mode);
  5132. }
  5133. }
  5134. switch (mode) {
  5135. case LED_MODE_FRONT_PANEL_OFF:
  5136. case LED_MODE_OFF:
  5137. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5138. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5139. SHARED_HW_CFG_LED_MAC1);
  5140. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5141. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  5142. break;
  5143. case LED_MODE_OPER:
  5144. /*
  5145. * For all other phys, OPER mode is same as ON, so in case
  5146. * link is down, do nothing
  5147. */
  5148. if (!vars->link_up)
  5149. break;
  5150. case LED_MODE_ON:
  5151. if (((params->phy[EXT_PHY1].type ==
  5152. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5153. (params->phy[EXT_PHY1].type ==
  5154. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5155. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5156. /*
  5157. * This is a work-around for E2+8727 Configurations
  5158. */
  5159. if (mode == LED_MODE_ON ||
  5160. speed == SPEED_10000){
  5161. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5162. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5163. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5164. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5165. (tmp | EMAC_LED_OVERRIDE));
  5166. return rc;
  5167. }
  5168. } else if (SINGLE_MEDIA_DIRECT(params) &&
  5169. (CHIP_IS_E1x(bp) ||
  5170. CHIP_IS_E2(bp))) {
  5171. /*
  5172. * This is a work-around for HW issue found when link
  5173. * is up in CL73
  5174. */
  5175. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5176. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5177. } else {
  5178. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  5179. }
  5180. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5181. /* Set blinking rate to ~15.9Hz */
  5182. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5183. LED_BLINK_RATE_VAL);
  5184. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5185. port*4, 1);
  5186. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5187. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  5188. if (CHIP_IS_E1(bp) &&
  5189. ((speed == SPEED_2500) ||
  5190. (speed == SPEED_1000) ||
  5191. (speed == SPEED_100) ||
  5192. (speed == SPEED_10))) {
  5193. /*
  5194. * On Everest 1 Ax chip versions for speeds less than
  5195. * 10G LED scheme is different
  5196. */
  5197. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5198. + port*4, 1);
  5199. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5200. port*4, 0);
  5201. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5202. port*4, 1);
  5203. }
  5204. break;
  5205. default:
  5206. rc = -EINVAL;
  5207. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5208. mode);
  5209. break;
  5210. }
  5211. return rc;
  5212. }
  5213. /*
  5214. * This function comes to reflect the actual link state read DIRECTLY from the
  5215. * HW
  5216. */
  5217. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5218. u8 is_serdes)
  5219. {
  5220. struct bnx2x *bp = params->bp;
  5221. u16 gp_status = 0, phy_index = 0;
  5222. u8 ext_phy_link_up = 0, serdes_phy_type;
  5223. struct link_vars temp_vars;
  5224. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5225. if (CHIP_IS_E3(bp)) {
  5226. u16 link_up;
  5227. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5228. > SPEED_10000) {
  5229. /* Check 20G link */
  5230. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5231. 1, &link_up);
  5232. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5233. 1, &link_up);
  5234. link_up &= (1<<2);
  5235. } else {
  5236. /* Check 10G link and below*/
  5237. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5238. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5239. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5240. &gp_status);
  5241. gp_status = ((gp_status >> 8) & 0xf) |
  5242. ((gp_status >> 12) & 0xf);
  5243. link_up = gp_status & (1 << lane);
  5244. }
  5245. if (!link_up)
  5246. return -ESRCH;
  5247. } else {
  5248. CL22_RD_OVER_CL45(bp, int_phy,
  5249. MDIO_REG_BANK_GP_STATUS,
  5250. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5251. &gp_status);
  5252. /* link is up only if both local phy and external phy are up */
  5253. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5254. return -ESRCH;
  5255. }
  5256. /* In XGXS loopback mode, do not check external PHY */
  5257. if (params->loopback_mode == LOOPBACK_XGXS)
  5258. return 0;
  5259. switch (params->num_phys) {
  5260. case 1:
  5261. /* No external PHY */
  5262. return 0;
  5263. case 2:
  5264. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5265. &params->phy[EXT_PHY1],
  5266. params, &temp_vars);
  5267. break;
  5268. case 3: /* Dual Media */
  5269. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5270. phy_index++) {
  5271. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5272. ETH_PHY_SFP_FIBER) ||
  5273. (params->phy[phy_index].media_type ==
  5274. ETH_PHY_XFP_FIBER) ||
  5275. (params->phy[phy_index].media_type ==
  5276. ETH_PHY_DA_TWINAX));
  5277. if (is_serdes != serdes_phy_type)
  5278. continue;
  5279. if (params->phy[phy_index].read_status) {
  5280. ext_phy_link_up |=
  5281. params->phy[phy_index].read_status(
  5282. &params->phy[phy_index],
  5283. params, &temp_vars);
  5284. }
  5285. }
  5286. break;
  5287. }
  5288. if (ext_phy_link_up)
  5289. return 0;
  5290. return -ESRCH;
  5291. }
  5292. static int bnx2x_link_initialize(struct link_params *params,
  5293. struct link_vars *vars)
  5294. {
  5295. int rc = 0;
  5296. u8 phy_index, non_ext_phy;
  5297. struct bnx2x *bp = params->bp;
  5298. /*
  5299. * In case of external phy existence, the line speed would be the
  5300. * line speed linked up by the external phy. In case it is direct
  5301. * only, then the line_speed during initialization will be
  5302. * equal to the req_line_speed
  5303. */
  5304. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5305. /*
  5306. * Initialize the internal phy in case this is a direct board
  5307. * (no external phys), or this board has external phy which requires
  5308. * to first.
  5309. */
  5310. if (!USES_WARPCORE(bp))
  5311. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5312. /* init ext phy and enable link state int */
  5313. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5314. (params->loopback_mode == LOOPBACK_XGXS));
  5315. if (non_ext_phy ||
  5316. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5317. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5318. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5319. if (vars->line_speed == SPEED_AUTO_NEG &&
  5320. (CHIP_IS_E1x(bp) ||
  5321. CHIP_IS_E2(bp)))
  5322. bnx2x_set_parallel_detection(phy, params);
  5323. if (params->phy[INT_PHY].config_init)
  5324. params->phy[INT_PHY].config_init(phy,
  5325. params,
  5326. vars);
  5327. }
  5328. /* Init external phy*/
  5329. if (non_ext_phy) {
  5330. if (params->phy[INT_PHY].supported &
  5331. SUPPORTED_FIBRE)
  5332. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5333. } else {
  5334. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5335. phy_index++) {
  5336. /*
  5337. * No need to initialize second phy in case of first
  5338. * phy only selection. In case of second phy, we do
  5339. * need to initialize the first phy, since they are
  5340. * connected.
  5341. */
  5342. if (params->phy[phy_index].supported &
  5343. SUPPORTED_FIBRE)
  5344. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5345. if (phy_index == EXT_PHY2 &&
  5346. (bnx2x_phy_selection(params) ==
  5347. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5348. DP(NETIF_MSG_LINK, "Not initializing"
  5349. " second phy\n");
  5350. continue;
  5351. }
  5352. params->phy[phy_index].config_init(
  5353. &params->phy[phy_index],
  5354. params, vars);
  5355. }
  5356. }
  5357. /* Reset the interrupt indication after phy was initialized */
  5358. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5359. params->port*4,
  5360. (NIG_STATUS_XGXS0_LINK10G |
  5361. NIG_STATUS_XGXS0_LINK_STATUS |
  5362. NIG_STATUS_SERDES0_LINK_STATUS |
  5363. NIG_MASK_MI_INT));
  5364. bnx2x_update_mng(params, vars->link_status);
  5365. return rc;
  5366. }
  5367. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5368. struct link_params *params)
  5369. {
  5370. /* reset the SerDes/XGXS */
  5371. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5372. (0x1ff << (params->port*16)));
  5373. }
  5374. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5375. struct link_params *params)
  5376. {
  5377. struct bnx2x *bp = params->bp;
  5378. u8 gpio_port;
  5379. /* HW reset */
  5380. if (CHIP_IS_E2(bp))
  5381. gpio_port = BP_PATH(bp);
  5382. else
  5383. gpio_port = params->port;
  5384. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5385. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5386. gpio_port);
  5387. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5388. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5389. gpio_port);
  5390. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5391. }
  5392. static int bnx2x_update_link_down(struct link_params *params,
  5393. struct link_vars *vars)
  5394. {
  5395. struct bnx2x *bp = params->bp;
  5396. u8 port = params->port;
  5397. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5398. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5399. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5400. /* indicate no mac active */
  5401. vars->mac_type = MAC_TYPE_NONE;
  5402. /* update shared memory */
  5403. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5404. LINK_STATUS_LINK_UP |
  5405. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5406. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5407. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5408. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5409. vars->line_speed = 0;
  5410. bnx2x_update_mng(params, vars->link_status);
  5411. /* activate nig drain */
  5412. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5413. /* disable emac */
  5414. if (!CHIP_IS_E3(bp))
  5415. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5416. msleep(10);
  5417. /* reset BigMac/Xmac */
  5418. if (CHIP_IS_E1x(bp) ||
  5419. CHIP_IS_E2(bp)) {
  5420. bnx2x_bmac_rx_disable(bp, params->port);
  5421. REG_WR(bp, GRCBASE_MISC +
  5422. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5423. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5424. }
  5425. if (CHIP_IS_E3(bp))
  5426. bnx2x_xmac_disable(params);
  5427. return 0;
  5428. }
  5429. static int bnx2x_update_link_up(struct link_params *params,
  5430. struct link_vars *vars,
  5431. u8 link_10g)
  5432. {
  5433. struct bnx2x *bp = params->bp;
  5434. u8 port = params->port;
  5435. int rc = 0;
  5436. vars->link_status |= LINK_STATUS_LINK_UP;
  5437. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5438. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5439. vars->link_status |=
  5440. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5441. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5442. vars->link_status |=
  5443. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5444. if (USES_WARPCORE(bp)) {
  5445. if (link_10g) {
  5446. if (bnx2x_xmac_enable(params, vars, 0) ==
  5447. -ESRCH) {
  5448. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5449. vars->link_up = 0;
  5450. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5451. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5452. }
  5453. } else
  5454. bnx2x_umac_enable(params, vars, 0);
  5455. bnx2x_set_led(params, vars,
  5456. LED_MODE_OPER, vars->line_speed);
  5457. }
  5458. if ((CHIP_IS_E1x(bp) ||
  5459. CHIP_IS_E2(bp))) {
  5460. if (link_10g) {
  5461. if (bnx2x_bmac_enable(params, vars, 0) ==
  5462. -ESRCH) {
  5463. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5464. vars->link_up = 0;
  5465. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5466. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5467. }
  5468. bnx2x_set_led(params, vars,
  5469. LED_MODE_OPER, SPEED_10000);
  5470. } else {
  5471. rc = bnx2x_emac_program(params, vars);
  5472. bnx2x_emac_enable(params, vars, 0);
  5473. /* AN complete? */
  5474. if ((vars->link_status &
  5475. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5476. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5477. SINGLE_MEDIA_DIRECT(params))
  5478. bnx2x_set_gmii_tx_driver(params);
  5479. }
  5480. }
  5481. /* PBF - link up */
  5482. if (CHIP_IS_E1x(bp))
  5483. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5484. vars->line_speed);
  5485. /* disable drain */
  5486. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5487. /* update shared memory */
  5488. bnx2x_update_mng(params, vars->link_status);
  5489. msleep(20);
  5490. return rc;
  5491. }
  5492. /*
  5493. * The bnx2x_link_update function should be called upon link
  5494. * interrupt.
  5495. * Link is considered up as follows:
  5496. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5497. * to be up
  5498. * - SINGLE_MEDIA - The link between the 577xx and the external
  5499. * phy (XGXS) need to up as well as the external link of the
  5500. * phy (PHY_EXT1)
  5501. * - DUAL_MEDIA - The link between the 577xx and the first
  5502. * external phy needs to be up, and at least one of the 2
  5503. * external phy link must be up.
  5504. */
  5505. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5506. {
  5507. struct bnx2x *bp = params->bp;
  5508. struct link_vars phy_vars[MAX_PHYS];
  5509. u8 port = params->port;
  5510. u8 link_10g_plus, phy_index;
  5511. u8 ext_phy_link_up = 0, cur_link_up;
  5512. int rc = 0;
  5513. u8 is_mi_int = 0;
  5514. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5515. u8 active_external_phy = INT_PHY;
  5516. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5517. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5518. phy_index++) {
  5519. phy_vars[phy_index].flow_ctrl = 0;
  5520. phy_vars[phy_index].link_status = 0;
  5521. phy_vars[phy_index].line_speed = 0;
  5522. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5523. phy_vars[phy_index].phy_link_up = 0;
  5524. phy_vars[phy_index].link_up = 0;
  5525. phy_vars[phy_index].fault_detected = 0;
  5526. }
  5527. if (USES_WARPCORE(bp))
  5528. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5529. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5530. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5531. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5532. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5533. port*0x18) > 0);
  5534. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5535. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5536. is_mi_int,
  5537. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5538. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5539. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5540. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5541. /* disable emac */
  5542. if (!CHIP_IS_E3(bp))
  5543. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5544. /*
  5545. * Step 1:
  5546. * Check external link change only for external phys, and apply
  5547. * priority selection between them in case the link on both phys
  5548. * is up. Note that instead of the common vars, a temporary
  5549. * vars argument is used since each phy may have different link/
  5550. * speed/duplex result
  5551. */
  5552. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5553. phy_index++) {
  5554. struct bnx2x_phy *phy = &params->phy[phy_index];
  5555. if (!phy->read_status)
  5556. continue;
  5557. /* Read link status and params of this ext phy */
  5558. cur_link_up = phy->read_status(phy, params,
  5559. &phy_vars[phy_index]);
  5560. if (cur_link_up) {
  5561. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5562. phy_index);
  5563. } else {
  5564. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5565. phy_index);
  5566. continue;
  5567. }
  5568. if (!ext_phy_link_up) {
  5569. ext_phy_link_up = 1;
  5570. active_external_phy = phy_index;
  5571. } else {
  5572. switch (bnx2x_phy_selection(params)) {
  5573. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5574. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5575. /*
  5576. * In this option, the first PHY makes sure to pass the
  5577. * traffic through itself only.
  5578. * Its not clear how to reset the link on the second phy
  5579. */
  5580. active_external_phy = EXT_PHY1;
  5581. break;
  5582. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5583. /*
  5584. * In this option, the first PHY makes sure to pass the
  5585. * traffic through the second PHY.
  5586. */
  5587. active_external_phy = EXT_PHY2;
  5588. break;
  5589. default:
  5590. /*
  5591. * Link indication on both PHYs with the following cases
  5592. * is invalid:
  5593. * - FIRST_PHY means that second phy wasn't initialized,
  5594. * hence its link is expected to be down
  5595. * - SECOND_PHY means that first phy should not be able
  5596. * to link up by itself (using configuration)
  5597. * - DEFAULT should be overriden during initialiazation
  5598. */
  5599. DP(NETIF_MSG_LINK, "Invalid link indication"
  5600. "mpc=0x%x. DISABLING LINK !!!\n",
  5601. params->multi_phy_config);
  5602. ext_phy_link_up = 0;
  5603. break;
  5604. }
  5605. }
  5606. }
  5607. prev_line_speed = vars->line_speed;
  5608. /*
  5609. * Step 2:
  5610. * Read the status of the internal phy. In case of
  5611. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5612. * otherwise this is the link between the 577xx and the first
  5613. * external phy
  5614. */
  5615. if (params->phy[INT_PHY].read_status)
  5616. params->phy[INT_PHY].read_status(
  5617. &params->phy[INT_PHY],
  5618. params, vars);
  5619. /*
  5620. * The INT_PHY flow control reside in the vars. This include the
  5621. * case where the speed or flow control are not set to AUTO.
  5622. * Otherwise, the active external phy flow control result is set
  5623. * to the vars. The ext_phy_line_speed is needed to check if the
  5624. * speed is different between the internal phy and external phy.
  5625. * This case may be result of intermediate link speed change.
  5626. */
  5627. if (active_external_phy > INT_PHY) {
  5628. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5629. /*
  5630. * Link speed is taken from the XGXS. AN and FC result from
  5631. * the external phy.
  5632. */
  5633. vars->link_status |= phy_vars[active_external_phy].link_status;
  5634. /*
  5635. * if active_external_phy is first PHY and link is up - disable
  5636. * disable TX on second external PHY
  5637. */
  5638. if (active_external_phy == EXT_PHY1) {
  5639. if (params->phy[EXT_PHY2].phy_specific_func) {
  5640. DP(NETIF_MSG_LINK, "Disabling TX on"
  5641. " EXT_PHY2\n");
  5642. params->phy[EXT_PHY2].phy_specific_func(
  5643. &params->phy[EXT_PHY2],
  5644. params, DISABLE_TX);
  5645. }
  5646. }
  5647. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5648. vars->duplex = phy_vars[active_external_phy].duplex;
  5649. if (params->phy[active_external_phy].supported &
  5650. SUPPORTED_FIBRE)
  5651. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5652. else
  5653. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5654. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5655. active_external_phy);
  5656. }
  5657. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5658. phy_index++) {
  5659. if (params->phy[phy_index].flags &
  5660. FLAGS_REARM_LATCH_SIGNAL) {
  5661. bnx2x_rearm_latch_signal(bp, port,
  5662. phy_index ==
  5663. active_external_phy);
  5664. break;
  5665. }
  5666. }
  5667. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5668. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5669. vars->link_status, ext_phy_line_speed);
  5670. /*
  5671. * Upon link speed change set the NIG into drain mode. Comes to
  5672. * deals with possible FIFO glitch due to clk change when speed
  5673. * is decreased without link down indicator
  5674. */
  5675. if (vars->phy_link_up) {
  5676. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5677. (ext_phy_line_speed != vars->line_speed)) {
  5678. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5679. " different than the external"
  5680. " link speed %d\n", vars->line_speed,
  5681. ext_phy_line_speed);
  5682. vars->phy_link_up = 0;
  5683. } else if (prev_line_speed != vars->line_speed) {
  5684. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5685. 0);
  5686. msleep(1);
  5687. }
  5688. }
  5689. /* anything 10 and over uses the bmac */
  5690. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5691. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5692. /*
  5693. * In case external phy link is up, and internal link is down
  5694. * (not initialized yet probably after link initialization, it
  5695. * needs to be initialized.
  5696. * Note that after link down-up as result of cable plug, the xgxs
  5697. * link would probably become up again without the need
  5698. * initialize it
  5699. */
  5700. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5701. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5702. " init_preceding = %d\n", ext_phy_link_up,
  5703. vars->phy_link_up,
  5704. params->phy[EXT_PHY1].flags &
  5705. FLAGS_INIT_XGXS_FIRST);
  5706. if (!(params->phy[EXT_PHY1].flags &
  5707. FLAGS_INIT_XGXS_FIRST)
  5708. && ext_phy_link_up && !vars->phy_link_up) {
  5709. vars->line_speed = ext_phy_line_speed;
  5710. if (vars->line_speed < SPEED_1000)
  5711. vars->phy_flags |= PHY_SGMII_FLAG;
  5712. else
  5713. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5714. if (params->phy[INT_PHY].config_init)
  5715. params->phy[INT_PHY].config_init(
  5716. &params->phy[INT_PHY], params,
  5717. vars);
  5718. }
  5719. }
  5720. /*
  5721. * Link is up only if both local phy and external phy (in case of
  5722. * non-direct board) are up and no fault detected on active PHY.
  5723. */
  5724. vars->link_up = (vars->phy_link_up &&
  5725. (ext_phy_link_up ||
  5726. SINGLE_MEDIA_DIRECT(params)) &&
  5727. (phy_vars[active_external_phy].fault_detected == 0));
  5728. if (vars->link_up)
  5729. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5730. else
  5731. rc = bnx2x_update_link_down(params, vars);
  5732. return rc;
  5733. }
  5734. /*****************************************************************************/
  5735. /* External Phy section */
  5736. /*****************************************************************************/
  5737. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5738. {
  5739. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5740. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5741. msleep(1);
  5742. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5743. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5744. }
  5745. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5746. u32 spirom_ver, u32 ver_addr)
  5747. {
  5748. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5749. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5750. if (ver_addr)
  5751. REG_WR(bp, ver_addr, spirom_ver);
  5752. }
  5753. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5754. struct bnx2x_phy *phy,
  5755. u8 port)
  5756. {
  5757. u16 fw_ver1, fw_ver2;
  5758. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5759. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5760. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5761. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5762. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5763. phy->ver_addr);
  5764. }
  5765. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5766. struct bnx2x_phy *phy,
  5767. struct link_vars *vars)
  5768. {
  5769. u16 val;
  5770. bnx2x_cl45_read(bp, phy,
  5771. MDIO_AN_DEVAD,
  5772. MDIO_AN_REG_STATUS, &val);
  5773. bnx2x_cl45_read(bp, phy,
  5774. MDIO_AN_DEVAD,
  5775. MDIO_AN_REG_STATUS, &val);
  5776. if (val & (1<<5))
  5777. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5778. if ((val & (1<<0)) == 0)
  5779. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5780. }
  5781. /******************************************************************/
  5782. /* common BCM8073/BCM8727 PHY SECTION */
  5783. /******************************************************************/
  5784. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5785. struct link_params *params,
  5786. struct link_vars *vars)
  5787. {
  5788. struct bnx2x *bp = params->bp;
  5789. if (phy->req_line_speed == SPEED_10 ||
  5790. phy->req_line_speed == SPEED_100) {
  5791. vars->flow_ctrl = phy->req_flow_ctrl;
  5792. return;
  5793. }
  5794. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5795. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5796. u16 pause_result;
  5797. u16 ld_pause; /* local */
  5798. u16 lp_pause; /* link partner */
  5799. bnx2x_cl45_read(bp, phy,
  5800. MDIO_AN_DEVAD,
  5801. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5802. bnx2x_cl45_read(bp, phy,
  5803. MDIO_AN_DEVAD,
  5804. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5805. pause_result = (ld_pause &
  5806. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5807. pause_result |= (lp_pause &
  5808. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5809. bnx2x_pause_resolve(vars, pause_result);
  5810. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5811. pause_result);
  5812. }
  5813. }
  5814. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5815. struct bnx2x_phy *phy,
  5816. u8 port)
  5817. {
  5818. u32 count = 0;
  5819. u16 fw_ver1, fw_msgout;
  5820. int rc = 0;
  5821. /* Boot port from external ROM */
  5822. /* EDC grst */
  5823. bnx2x_cl45_write(bp, phy,
  5824. MDIO_PMA_DEVAD,
  5825. MDIO_PMA_REG_GEN_CTRL,
  5826. 0x0001);
  5827. /* ucode reboot and rst */
  5828. bnx2x_cl45_write(bp, phy,
  5829. MDIO_PMA_DEVAD,
  5830. MDIO_PMA_REG_GEN_CTRL,
  5831. 0x008c);
  5832. bnx2x_cl45_write(bp, phy,
  5833. MDIO_PMA_DEVAD,
  5834. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5835. /* Reset internal microprocessor */
  5836. bnx2x_cl45_write(bp, phy,
  5837. MDIO_PMA_DEVAD,
  5838. MDIO_PMA_REG_GEN_CTRL,
  5839. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5840. /* Release srst bit */
  5841. bnx2x_cl45_write(bp, phy,
  5842. MDIO_PMA_DEVAD,
  5843. MDIO_PMA_REG_GEN_CTRL,
  5844. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5845. /* Delay 100ms per the PHY specifications */
  5846. msleep(100);
  5847. /* 8073 sometimes taking longer to download */
  5848. do {
  5849. count++;
  5850. if (count > 300) {
  5851. DP(NETIF_MSG_LINK,
  5852. "bnx2x_8073_8727_external_rom_boot port %x:"
  5853. "Download failed. fw version = 0x%x\n",
  5854. port, fw_ver1);
  5855. rc = -EINVAL;
  5856. break;
  5857. }
  5858. bnx2x_cl45_read(bp, phy,
  5859. MDIO_PMA_DEVAD,
  5860. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5861. bnx2x_cl45_read(bp, phy,
  5862. MDIO_PMA_DEVAD,
  5863. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5864. msleep(1);
  5865. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  5866. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  5867. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  5868. /* Clear ser_boot_ctl bit */
  5869. bnx2x_cl45_write(bp, phy,
  5870. MDIO_PMA_DEVAD,
  5871. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  5872. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  5873. DP(NETIF_MSG_LINK,
  5874. "bnx2x_8073_8727_external_rom_boot port %x:"
  5875. "Download complete. fw version = 0x%x\n",
  5876. port, fw_ver1);
  5877. return rc;
  5878. }
  5879. /******************************************************************/
  5880. /* BCM8073 PHY SECTION */
  5881. /******************************************************************/
  5882. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  5883. {
  5884. /* This is only required for 8073A1, version 102 only */
  5885. u16 val;
  5886. /* Read 8073 HW revision*/
  5887. bnx2x_cl45_read(bp, phy,
  5888. MDIO_PMA_DEVAD,
  5889. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5890. if (val != 1) {
  5891. /* No need to workaround in 8073 A1 */
  5892. return 0;
  5893. }
  5894. bnx2x_cl45_read(bp, phy,
  5895. MDIO_PMA_DEVAD,
  5896. MDIO_PMA_REG_ROM_VER2, &val);
  5897. /* SNR should be applied only for version 0x102 */
  5898. if (val != 0x102)
  5899. return 0;
  5900. return 1;
  5901. }
  5902. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  5903. {
  5904. u16 val, cnt, cnt1 ;
  5905. bnx2x_cl45_read(bp, phy,
  5906. MDIO_PMA_DEVAD,
  5907. MDIO_PMA_REG_8073_CHIP_REV, &val);
  5908. if (val > 0) {
  5909. /* No need to workaround in 8073 A1 */
  5910. return 0;
  5911. }
  5912. /* XAUI workaround in 8073 A0: */
  5913. /*
  5914. * After loading the boot ROM and restarting Autoneg, poll
  5915. * Dev1, Reg $C820:
  5916. */
  5917. for (cnt = 0; cnt < 1000; cnt++) {
  5918. bnx2x_cl45_read(bp, phy,
  5919. MDIO_PMA_DEVAD,
  5920. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  5921. &val);
  5922. /*
  5923. * If bit [14] = 0 or bit [13] = 0, continue on with
  5924. * system initialization (XAUI work-around not required, as
  5925. * these bits indicate 2.5G or 1G link up).
  5926. */
  5927. if (!(val & (1<<14)) || !(val & (1<<13))) {
  5928. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  5929. return 0;
  5930. } else if (!(val & (1<<15))) {
  5931. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  5932. /*
  5933. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  5934. * MSB (bit15) goes to 1 (indicating that the XAUI
  5935. * workaround has completed), then continue on with
  5936. * system initialization.
  5937. */
  5938. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  5939. bnx2x_cl45_read(bp, phy,
  5940. MDIO_PMA_DEVAD,
  5941. MDIO_PMA_REG_8073_XAUI_WA, &val);
  5942. if (val & (1<<15)) {
  5943. DP(NETIF_MSG_LINK,
  5944. "XAUI workaround has completed\n");
  5945. return 0;
  5946. }
  5947. msleep(3);
  5948. }
  5949. break;
  5950. }
  5951. msleep(3);
  5952. }
  5953. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  5954. return -EINVAL;
  5955. }
  5956. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  5957. {
  5958. /* Force KR or KX */
  5959. bnx2x_cl45_write(bp, phy,
  5960. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5961. bnx2x_cl45_write(bp, phy,
  5962. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  5963. bnx2x_cl45_write(bp, phy,
  5964. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  5965. bnx2x_cl45_write(bp, phy,
  5966. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5967. }
  5968. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  5969. struct bnx2x_phy *phy,
  5970. struct link_vars *vars)
  5971. {
  5972. u16 cl37_val;
  5973. struct bnx2x *bp = params->bp;
  5974. bnx2x_cl45_read(bp, phy,
  5975. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  5976. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5977. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  5978. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5979. if ((vars->ieee_fc &
  5980. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  5981. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  5982. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  5983. }
  5984. if ((vars->ieee_fc &
  5985. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  5986. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  5987. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  5988. }
  5989. if ((vars->ieee_fc &
  5990. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  5991. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  5992. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  5993. }
  5994. DP(NETIF_MSG_LINK,
  5995. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  5996. bnx2x_cl45_write(bp, phy,
  5997. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  5998. msleep(500);
  5999. }
  6000. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6001. struct link_params *params,
  6002. struct link_vars *vars)
  6003. {
  6004. struct bnx2x *bp = params->bp;
  6005. u16 val = 0, tmp1;
  6006. u8 gpio_port;
  6007. DP(NETIF_MSG_LINK, "Init 8073\n");
  6008. if (CHIP_IS_E2(bp))
  6009. gpio_port = BP_PATH(bp);
  6010. else
  6011. gpio_port = params->port;
  6012. /* Restore normal power mode*/
  6013. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6014. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6015. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6016. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6017. /* enable LASI */
  6018. bnx2x_cl45_write(bp, phy,
  6019. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6020. bnx2x_cl45_write(bp, phy,
  6021. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6022. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6023. bnx2x_cl45_read(bp, phy,
  6024. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6025. bnx2x_cl45_read(bp, phy,
  6026. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6027. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6028. /* Swap polarity if required - Must be done only in non-1G mode */
  6029. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6030. /* Configure the 8073 to swap _P and _N of the KR lines */
  6031. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6032. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6033. bnx2x_cl45_read(bp, phy,
  6034. MDIO_PMA_DEVAD,
  6035. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6036. bnx2x_cl45_write(bp, phy,
  6037. MDIO_PMA_DEVAD,
  6038. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6039. (val | (3<<9)));
  6040. }
  6041. /* Enable CL37 BAM */
  6042. if (REG_RD(bp, params->shmem_base +
  6043. offsetof(struct shmem_region, dev_info.
  6044. port_hw_config[params->port].default_cfg)) &
  6045. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6046. bnx2x_cl45_read(bp, phy,
  6047. MDIO_AN_DEVAD,
  6048. MDIO_AN_REG_8073_BAM, &val);
  6049. bnx2x_cl45_write(bp, phy,
  6050. MDIO_AN_DEVAD,
  6051. MDIO_AN_REG_8073_BAM, val | 1);
  6052. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6053. }
  6054. if (params->loopback_mode == LOOPBACK_EXT) {
  6055. bnx2x_807x_force_10G(bp, phy);
  6056. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6057. return 0;
  6058. } else {
  6059. bnx2x_cl45_write(bp, phy,
  6060. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6061. }
  6062. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6063. if (phy->req_line_speed == SPEED_10000) {
  6064. val = (1<<7);
  6065. } else if (phy->req_line_speed == SPEED_2500) {
  6066. val = (1<<5);
  6067. /*
  6068. * Note that 2.5G works only when used with 1G
  6069. * advertisement
  6070. */
  6071. } else
  6072. val = (1<<5);
  6073. } else {
  6074. val = 0;
  6075. if (phy->speed_cap_mask &
  6076. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6077. val |= (1<<7);
  6078. /* Note that 2.5G works only when used with 1G advertisement */
  6079. if (phy->speed_cap_mask &
  6080. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6081. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6082. val |= (1<<5);
  6083. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6084. }
  6085. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6086. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6087. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6088. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6089. (phy->req_line_speed == SPEED_2500)) {
  6090. u16 phy_ver;
  6091. /* Allow 2.5G for A1 and above */
  6092. bnx2x_cl45_read(bp, phy,
  6093. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6094. &phy_ver);
  6095. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6096. if (phy_ver > 0)
  6097. tmp1 |= 1;
  6098. else
  6099. tmp1 &= 0xfffe;
  6100. } else {
  6101. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6102. tmp1 &= 0xfffe;
  6103. }
  6104. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6105. /* Add support for CL37 (passive mode) II */
  6106. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6107. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6108. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6109. 0x20 : 0x40)));
  6110. /* Add support for CL37 (passive mode) III */
  6111. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6112. /*
  6113. * The SNR will improve about 2db by changing BW and FEE main
  6114. * tap. Rest commands are executed after link is up
  6115. * Change FFE main cursor to 5 in EDC register
  6116. */
  6117. if (bnx2x_8073_is_snr_needed(bp, phy))
  6118. bnx2x_cl45_write(bp, phy,
  6119. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6120. 0xFB0C);
  6121. /* Enable FEC (Forware Error Correction) Request in the AN */
  6122. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6123. tmp1 |= (1<<15);
  6124. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6125. bnx2x_ext_phy_set_pause(params, phy, vars);
  6126. /* Restart autoneg */
  6127. msleep(500);
  6128. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6129. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6130. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6131. return 0;
  6132. }
  6133. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6134. struct link_params *params,
  6135. struct link_vars *vars)
  6136. {
  6137. struct bnx2x *bp = params->bp;
  6138. u8 link_up = 0;
  6139. u16 val1, val2;
  6140. u16 link_status = 0;
  6141. u16 an1000_status = 0;
  6142. bnx2x_cl45_read(bp, phy,
  6143. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6144. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6145. /* clear the interrupt LASI status register */
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6148. bnx2x_cl45_read(bp, phy,
  6149. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6150. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6151. /* Clear MSG-OUT */
  6152. bnx2x_cl45_read(bp, phy,
  6153. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6154. /* Check the LASI */
  6155. bnx2x_cl45_read(bp, phy,
  6156. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6157. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6158. /* Check the link status */
  6159. bnx2x_cl45_read(bp, phy,
  6160. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6161. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6162. bnx2x_cl45_read(bp, phy,
  6163. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6164. bnx2x_cl45_read(bp, phy,
  6165. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6166. link_up = ((val1 & 4) == 4);
  6167. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6168. if (link_up &&
  6169. ((phy->req_line_speed != SPEED_10000))) {
  6170. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6171. return 0;
  6172. }
  6173. bnx2x_cl45_read(bp, phy,
  6174. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6175. bnx2x_cl45_read(bp, phy,
  6176. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6177. /* Check the link status on 1.1.2 */
  6178. bnx2x_cl45_read(bp, phy,
  6179. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6180. bnx2x_cl45_read(bp, phy,
  6181. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6182. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6183. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6184. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6185. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6186. /*
  6187. * The SNR will improve about 2dbby changing the BW and FEE main
  6188. * tap. The 1st write to change FFE main tap is set before
  6189. * restart AN. Change PLL Bandwidth in EDC register
  6190. */
  6191. bnx2x_cl45_write(bp, phy,
  6192. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6193. 0x26BC);
  6194. /* Change CDR Bandwidth in EDC register */
  6195. bnx2x_cl45_write(bp, phy,
  6196. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6197. 0x0333);
  6198. }
  6199. bnx2x_cl45_read(bp, phy,
  6200. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6201. &link_status);
  6202. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6203. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6204. link_up = 1;
  6205. vars->line_speed = SPEED_10000;
  6206. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6207. params->port);
  6208. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6209. link_up = 1;
  6210. vars->line_speed = SPEED_2500;
  6211. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6212. params->port);
  6213. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6214. link_up = 1;
  6215. vars->line_speed = SPEED_1000;
  6216. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6217. params->port);
  6218. } else {
  6219. link_up = 0;
  6220. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6221. params->port);
  6222. }
  6223. if (link_up) {
  6224. /* Swap polarity if required */
  6225. if (params->lane_config &
  6226. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6227. /* Configure the 8073 to swap P and N of the KR lines */
  6228. bnx2x_cl45_read(bp, phy,
  6229. MDIO_XS_DEVAD,
  6230. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6231. /*
  6232. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6233. * when it`s in 10G mode.
  6234. */
  6235. if (vars->line_speed == SPEED_1000) {
  6236. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6237. "the 8073\n");
  6238. val1 |= (1<<3);
  6239. } else
  6240. val1 &= ~(1<<3);
  6241. bnx2x_cl45_write(bp, phy,
  6242. MDIO_XS_DEVAD,
  6243. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6244. val1);
  6245. }
  6246. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6247. bnx2x_8073_resolve_fc(phy, params, vars);
  6248. vars->duplex = DUPLEX_FULL;
  6249. }
  6250. return link_up;
  6251. }
  6252. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6253. struct link_params *params)
  6254. {
  6255. struct bnx2x *bp = params->bp;
  6256. u8 gpio_port;
  6257. if (CHIP_IS_E2(bp))
  6258. gpio_port = BP_PATH(bp);
  6259. else
  6260. gpio_port = params->port;
  6261. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6262. gpio_port);
  6263. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6264. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6265. gpio_port);
  6266. }
  6267. /******************************************************************/
  6268. /* BCM8705 PHY SECTION */
  6269. /******************************************************************/
  6270. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6271. struct link_params *params,
  6272. struct link_vars *vars)
  6273. {
  6274. struct bnx2x *bp = params->bp;
  6275. DP(NETIF_MSG_LINK, "init 8705\n");
  6276. /* Restore normal power mode*/
  6277. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6278. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6279. /* HW reset */
  6280. bnx2x_ext_phy_hw_reset(bp, params->port);
  6281. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6282. bnx2x_wait_reset_complete(bp, phy, params);
  6283. bnx2x_cl45_write(bp, phy,
  6284. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6285. bnx2x_cl45_write(bp, phy,
  6286. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6287. bnx2x_cl45_write(bp, phy,
  6288. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6289. bnx2x_cl45_write(bp, phy,
  6290. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6291. /* BCM8705 doesn't have microcode, hence the 0 */
  6292. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6293. return 0;
  6294. }
  6295. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6296. struct link_params *params,
  6297. struct link_vars *vars)
  6298. {
  6299. u8 link_up = 0;
  6300. u16 val1, rx_sd;
  6301. struct bnx2x *bp = params->bp;
  6302. DP(NETIF_MSG_LINK, "read status 8705\n");
  6303. bnx2x_cl45_read(bp, phy,
  6304. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6305. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6306. bnx2x_cl45_read(bp, phy,
  6307. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6308. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6309. bnx2x_cl45_read(bp, phy,
  6310. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6311. bnx2x_cl45_read(bp, phy,
  6312. MDIO_PMA_DEVAD, 0xc809, &val1);
  6313. bnx2x_cl45_read(bp, phy,
  6314. MDIO_PMA_DEVAD, 0xc809, &val1);
  6315. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6316. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6317. if (link_up) {
  6318. vars->line_speed = SPEED_10000;
  6319. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6320. }
  6321. return link_up;
  6322. }
  6323. /******************************************************************/
  6324. /* SFP+ module Section */
  6325. /******************************************************************/
  6326. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6327. struct bnx2x_phy *phy,
  6328. u8 pmd_dis)
  6329. {
  6330. struct bnx2x *bp = params->bp;
  6331. /*
  6332. * Disable transmitter only for bootcodes which can enable it afterwards
  6333. * (for D3 link)
  6334. */
  6335. if (pmd_dis) {
  6336. if (params->feature_config_flags &
  6337. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6338. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6339. else {
  6340. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6341. return;
  6342. }
  6343. } else
  6344. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6345. bnx2x_cl45_write(bp, phy,
  6346. MDIO_PMA_DEVAD,
  6347. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6348. }
  6349. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6350. {
  6351. u8 gpio_port;
  6352. u32 swap_val, swap_override;
  6353. struct bnx2x *bp = params->bp;
  6354. if (CHIP_IS_E2(bp))
  6355. gpio_port = BP_PATH(bp);
  6356. else
  6357. gpio_port = params->port;
  6358. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6359. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6360. return gpio_port ^ (swap_val && swap_override);
  6361. }
  6362. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6363. struct bnx2x_phy *phy,
  6364. u8 tx_en)
  6365. {
  6366. u16 val;
  6367. u8 port = params->port;
  6368. struct bnx2x *bp = params->bp;
  6369. u32 tx_en_mode;
  6370. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6371. tx_en_mode = REG_RD(bp, params->shmem_base +
  6372. offsetof(struct shmem_region,
  6373. dev_info.port_hw_config[port].sfp_ctrl)) &
  6374. PORT_HW_CFG_TX_LASER_MASK;
  6375. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6376. "mode = %x\n", tx_en, port, tx_en_mode);
  6377. switch (tx_en_mode) {
  6378. case PORT_HW_CFG_TX_LASER_MDIO:
  6379. bnx2x_cl45_read(bp, phy,
  6380. MDIO_PMA_DEVAD,
  6381. MDIO_PMA_REG_PHY_IDENTIFIER,
  6382. &val);
  6383. if (tx_en)
  6384. val &= ~(1<<15);
  6385. else
  6386. val |= (1<<15);
  6387. bnx2x_cl45_write(bp, phy,
  6388. MDIO_PMA_DEVAD,
  6389. MDIO_PMA_REG_PHY_IDENTIFIER,
  6390. val);
  6391. break;
  6392. case PORT_HW_CFG_TX_LASER_GPIO0:
  6393. case PORT_HW_CFG_TX_LASER_GPIO1:
  6394. case PORT_HW_CFG_TX_LASER_GPIO2:
  6395. case PORT_HW_CFG_TX_LASER_GPIO3:
  6396. {
  6397. u16 gpio_pin;
  6398. u8 gpio_port, gpio_mode;
  6399. if (tx_en)
  6400. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6401. else
  6402. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6403. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6404. gpio_port = bnx2x_get_gpio_port(params);
  6405. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6406. break;
  6407. }
  6408. default:
  6409. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6410. break;
  6411. }
  6412. }
  6413. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6414. struct bnx2x_phy *phy,
  6415. u8 tx_en)
  6416. {
  6417. struct bnx2x *bp = params->bp;
  6418. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6419. if (CHIP_IS_E3(bp))
  6420. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6421. else
  6422. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6423. }
  6424. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6425. struct link_params *params,
  6426. u16 addr, u8 byte_cnt, u8 *o_buf)
  6427. {
  6428. struct bnx2x *bp = params->bp;
  6429. u16 val = 0;
  6430. u16 i;
  6431. if (byte_cnt > 16) {
  6432. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6433. " is limited to 0xf\n");
  6434. return -EINVAL;
  6435. }
  6436. /* Set the read command byte count */
  6437. bnx2x_cl45_write(bp, phy,
  6438. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6439. (byte_cnt | 0xa000));
  6440. /* Set the read command address */
  6441. bnx2x_cl45_write(bp, phy,
  6442. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6443. addr);
  6444. /* Activate read command */
  6445. bnx2x_cl45_write(bp, phy,
  6446. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6447. 0x2c0f);
  6448. /* Wait up to 500us for command complete status */
  6449. for (i = 0; i < 100; i++) {
  6450. bnx2x_cl45_read(bp, phy,
  6451. MDIO_PMA_DEVAD,
  6452. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6453. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6454. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6455. break;
  6456. udelay(5);
  6457. }
  6458. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6459. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6460. DP(NETIF_MSG_LINK,
  6461. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6462. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6463. return -EINVAL;
  6464. }
  6465. /* Read the buffer */
  6466. for (i = 0; i < byte_cnt; i++) {
  6467. bnx2x_cl45_read(bp, phy,
  6468. MDIO_PMA_DEVAD,
  6469. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6470. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6471. }
  6472. for (i = 0; i < 100; i++) {
  6473. bnx2x_cl45_read(bp, phy,
  6474. MDIO_PMA_DEVAD,
  6475. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6476. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6477. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6478. return 0;
  6479. msleep(1);
  6480. }
  6481. return -EINVAL;
  6482. }
  6483. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6484. struct link_params *params,
  6485. u16 addr, u8 byte_cnt,
  6486. u8 *o_buf)
  6487. {
  6488. int rc = 0;
  6489. u8 i, j = 0, cnt = 0;
  6490. u32 data_array[4];
  6491. u16 addr32;
  6492. struct bnx2x *bp = params->bp;
  6493. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6494. " addr %d, cnt %d\n",
  6495. addr, byte_cnt);*/
  6496. if (byte_cnt > 16) {
  6497. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6498. " is limited to 16 bytes\n");
  6499. return -EINVAL;
  6500. }
  6501. /* 4 byte aligned address */
  6502. addr32 = addr & (~0x3);
  6503. do {
  6504. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6505. data_array);
  6506. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6507. if (rc == 0) {
  6508. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6509. o_buf[j] = *((u8 *)data_array + i);
  6510. j++;
  6511. }
  6512. }
  6513. return rc;
  6514. }
  6515. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6516. struct link_params *params,
  6517. u16 addr, u8 byte_cnt, u8 *o_buf)
  6518. {
  6519. struct bnx2x *bp = params->bp;
  6520. u16 val, i;
  6521. if (byte_cnt > 16) {
  6522. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  6523. " is limited to 0xf\n");
  6524. return -EINVAL;
  6525. }
  6526. /* Need to read from 1.8000 to clear it */
  6527. bnx2x_cl45_read(bp, phy,
  6528. MDIO_PMA_DEVAD,
  6529. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6530. &val);
  6531. /* Set the read command byte count */
  6532. bnx2x_cl45_write(bp, phy,
  6533. MDIO_PMA_DEVAD,
  6534. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6535. ((byte_cnt < 2) ? 2 : byte_cnt));
  6536. /* Set the read command address */
  6537. bnx2x_cl45_write(bp, phy,
  6538. MDIO_PMA_DEVAD,
  6539. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6540. addr);
  6541. /* Set the destination address */
  6542. bnx2x_cl45_write(bp, phy,
  6543. MDIO_PMA_DEVAD,
  6544. 0x8004,
  6545. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6546. /* Activate read command */
  6547. bnx2x_cl45_write(bp, phy,
  6548. MDIO_PMA_DEVAD,
  6549. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6550. 0x8002);
  6551. /*
  6552. * Wait appropriate time for two-wire command to finish before
  6553. * polling the status register
  6554. */
  6555. msleep(1);
  6556. /* Wait up to 500us for command complete status */
  6557. for (i = 0; i < 100; i++) {
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_PMA_DEVAD,
  6560. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6561. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6562. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6563. break;
  6564. udelay(5);
  6565. }
  6566. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6567. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6568. DP(NETIF_MSG_LINK,
  6569. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6570. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6571. return -EFAULT;
  6572. }
  6573. /* Read the buffer */
  6574. for (i = 0; i < byte_cnt; i++) {
  6575. bnx2x_cl45_read(bp, phy,
  6576. MDIO_PMA_DEVAD,
  6577. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6578. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6579. }
  6580. for (i = 0; i < 100; i++) {
  6581. bnx2x_cl45_read(bp, phy,
  6582. MDIO_PMA_DEVAD,
  6583. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6584. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6585. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6586. return 0;
  6587. msleep(1);
  6588. }
  6589. return -EINVAL;
  6590. }
  6591. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6592. struct link_params *params, u16 addr,
  6593. u8 byte_cnt, u8 *o_buf)
  6594. {
  6595. int rc = -EINVAL;
  6596. switch (phy->type) {
  6597. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6598. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6599. byte_cnt, o_buf);
  6600. break;
  6601. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6602. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6603. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6604. byte_cnt, o_buf);
  6605. break;
  6606. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6607. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6608. byte_cnt, o_buf);
  6609. break;
  6610. }
  6611. return rc;
  6612. }
  6613. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6614. struct link_params *params,
  6615. u16 *edc_mode)
  6616. {
  6617. struct bnx2x *bp = params->bp;
  6618. u32 sync_offset = 0, phy_idx, media_types;
  6619. u8 val, check_limiting_mode = 0;
  6620. *edc_mode = EDC_MODE_LIMITING;
  6621. phy->media_type = ETH_PHY_UNSPECIFIED;
  6622. /* First check for copper cable */
  6623. if (bnx2x_read_sfp_module_eeprom(phy,
  6624. params,
  6625. SFP_EEPROM_CON_TYPE_ADDR,
  6626. 1,
  6627. &val) != 0) {
  6628. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6629. return -EINVAL;
  6630. }
  6631. switch (val) {
  6632. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6633. {
  6634. u8 copper_module_type;
  6635. phy->media_type = ETH_PHY_DA_TWINAX;
  6636. /*
  6637. * Check if its active cable (includes SFP+ module)
  6638. * of passive cable
  6639. */
  6640. if (bnx2x_read_sfp_module_eeprom(phy,
  6641. params,
  6642. SFP_EEPROM_FC_TX_TECH_ADDR,
  6643. 1,
  6644. &copper_module_type) != 0) {
  6645. DP(NETIF_MSG_LINK,
  6646. "Failed to read copper-cable-type"
  6647. " from SFP+ EEPROM\n");
  6648. return -EINVAL;
  6649. }
  6650. if (copper_module_type &
  6651. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6652. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6653. check_limiting_mode = 1;
  6654. } else if (copper_module_type &
  6655. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6656. DP(NETIF_MSG_LINK, "Passive Copper"
  6657. " cable detected\n");
  6658. *edc_mode =
  6659. EDC_MODE_PASSIVE_DAC;
  6660. } else {
  6661. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  6662. "type 0x%x !!!\n", copper_module_type);
  6663. return -EINVAL;
  6664. }
  6665. break;
  6666. }
  6667. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6668. phy->media_type = ETH_PHY_SFP_FIBER;
  6669. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6670. check_limiting_mode = 1;
  6671. break;
  6672. default:
  6673. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6674. val);
  6675. return -EINVAL;
  6676. }
  6677. sync_offset = params->shmem_base +
  6678. offsetof(struct shmem_region,
  6679. dev_info.port_hw_config[params->port].media_type);
  6680. media_types = REG_RD(bp, sync_offset);
  6681. /* Update media type for non-PMF sync */
  6682. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6683. if (&(params->phy[phy_idx]) == phy) {
  6684. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6685. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6686. media_types |= ((phy->media_type &
  6687. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6688. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6689. break;
  6690. }
  6691. }
  6692. REG_WR(bp, sync_offset, media_types);
  6693. if (check_limiting_mode) {
  6694. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6695. if (bnx2x_read_sfp_module_eeprom(phy,
  6696. params,
  6697. SFP_EEPROM_OPTIONS_ADDR,
  6698. SFP_EEPROM_OPTIONS_SIZE,
  6699. options) != 0) {
  6700. DP(NETIF_MSG_LINK, "Failed to read Option"
  6701. " field from module EEPROM\n");
  6702. return -EINVAL;
  6703. }
  6704. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6705. *edc_mode = EDC_MODE_LINEAR;
  6706. else
  6707. *edc_mode = EDC_MODE_LIMITING;
  6708. }
  6709. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6710. return 0;
  6711. }
  6712. /*
  6713. * This function read the relevant field from the module (SFP+), and verify it
  6714. * is compliant with this board
  6715. */
  6716. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6717. struct link_params *params)
  6718. {
  6719. struct bnx2x *bp = params->bp;
  6720. u32 val, cmd;
  6721. u32 fw_resp, fw_cmd_param;
  6722. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6723. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6724. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6725. val = REG_RD(bp, params->shmem_base +
  6726. offsetof(struct shmem_region, dev_info.
  6727. port_feature_config[params->port].config));
  6728. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6729. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6730. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6731. return 0;
  6732. }
  6733. if (params->feature_config_flags &
  6734. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6735. /* Use specific phy request */
  6736. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6737. } else if (params->feature_config_flags &
  6738. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6739. /* Use first phy request only in case of non-dual media*/
  6740. if (DUAL_MEDIA(params)) {
  6741. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6742. "verification\n");
  6743. return -EINVAL;
  6744. }
  6745. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6746. } else {
  6747. /* No support in OPT MDL detection */
  6748. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  6749. "verification\n");
  6750. return -EINVAL;
  6751. }
  6752. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6753. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6754. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6755. DP(NETIF_MSG_LINK, "Approved module\n");
  6756. return 0;
  6757. }
  6758. /* format the warning message */
  6759. if (bnx2x_read_sfp_module_eeprom(phy,
  6760. params,
  6761. SFP_EEPROM_VENDOR_NAME_ADDR,
  6762. SFP_EEPROM_VENDOR_NAME_SIZE,
  6763. (u8 *)vendor_name))
  6764. vendor_name[0] = '\0';
  6765. else
  6766. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6767. if (bnx2x_read_sfp_module_eeprom(phy,
  6768. params,
  6769. SFP_EEPROM_PART_NO_ADDR,
  6770. SFP_EEPROM_PART_NO_SIZE,
  6771. (u8 *)vendor_pn))
  6772. vendor_pn[0] = '\0';
  6773. else
  6774. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6775. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6776. " Port %d from %s part number %s\n",
  6777. params->port, vendor_name, vendor_pn);
  6778. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6779. return -EINVAL;
  6780. }
  6781. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6782. struct link_params *params)
  6783. {
  6784. u8 val;
  6785. struct bnx2x *bp = params->bp;
  6786. u16 timeout;
  6787. /*
  6788. * Initialization time after hot-plug may take up to 300ms for
  6789. * some phys type ( e.g. JDSU )
  6790. */
  6791. for (timeout = 0; timeout < 60; timeout++) {
  6792. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6793. == 0) {
  6794. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  6795. "took %d ms\n", timeout * 5);
  6796. return 0;
  6797. }
  6798. msleep(5);
  6799. }
  6800. return -EINVAL;
  6801. }
  6802. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6803. struct bnx2x_phy *phy,
  6804. u8 is_power_up) {
  6805. /* Make sure GPIOs are not using for LED mode */
  6806. u16 val;
  6807. /*
  6808. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6809. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6810. * output
  6811. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6812. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6813. * where the 1st bit is the over-current(only input), and 2nd bit is
  6814. * for power( only output )
  6815. *
  6816. * In case of NOC feature is disabled and power is up, set GPIO control
  6817. * as input to enable listening of over-current indication
  6818. */
  6819. if (phy->flags & FLAGS_NOC)
  6820. return;
  6821. if (is_power_up)
  6822. val = (1<<4);
  6823. else
  6824. /*
  6825. * Set GPIO control to OUTPUT, and set the power bit
  6826. * to according to the is_power_up
  6827. */
  6828. val = (1<<1);
  6829. bnx2x_cl45_write(bp, phy,
  6830. MDIO_PMA_DEVAD,
  6831. MDIO_PMA_REG_8727_GPIO_CTRL,
  6832. val);
  6833. }
  6834. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6835. struct bnx2x_phy *phy,
  6836. u16 edc_mode)
  6837. {
  6838. u16 cur_limiting_mode;
  6839. bnx2x_cl45_read(bp, phy,
  6840. MDIO_PMA_DEVAD,
  6841. MDIO_PMA_REG_ROM_VER2,
  6842. &cur_limiting_mode);
  6843. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6844. cur_limiting_mode);
  6845. if (edc_mode == EDC_MODE_LIMITING) {
  6846. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6847. bnx2x_cl45_write(bp, phy,
  6848. MDIO_PMA_DEVAD,
  6849. MDIO_PMA_REG_ROM_VER2,
  6850. EDC_MODE_LIMITING);
  6851. } else { /* LRM mode ( default )*/
  6852. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6853. /*
  6854. * Changing to LRM mode takes quite few seconds. So do it only
  6855. * if current mode is limiting (default is LRM)
  6856. */
  6857. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6858. return 0;
  6859. bnx2x_cl45_write(bp, phy,
  6860. MDIO_PMA_DEVAD,
  6861. MDIO_PMA_REG_LRM_MODE,
  6862. 0);
  6863. bnx2x_cl45_write(bp, phy,
  6864. MDIO_PMA_DEVAD,
  6865. MDIO_PMA_REG_ROM_VER2,
  6866. 0x128);
  6867. bnx2x_cl45_write(bp, phy,
  6868. MDIO_PMA_DEVAD,
  6869. MDIO_PMA_REG_MISC_CTRL0,
  6870. 0x4008);
  6871. bnx2x_cl45_write(bp, phy,
  6872. MDIO_PMA_DEVAD,
  6873. MDIO_PMA_REG_LRM_MODE,
  6874. 0xaaaa);
  6875. }
  6876. return 0;
  6877. }
  6878. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  6879. struct bnx2x_phy *phy,
  6880. u16 edc_mode)
  6881. {
  6882. u16 phy_identifier;
  6883. u16 rom_ver2_val;
  6884. bnx2x_cl45_read(bp, phy,
  6885. MDIO_PMA_DEVAD,
  6886. MDIO_PMA_REG_PHY_IDENTIFIER,
  6887. &phy_identifier);
  6888. bnx2x_cl45_write(bp, phy,
  6889. MDIO_PMA_DEVAD,
  6890. MDIO_PMA_REG_PHY_IDENTIFIER,
  6891. (phy_identifier & ~(1<<9)));
  6892. bnx2x_cl45_read(bp, phy,
  6893. MDIO_PMA_DEVAD,
  6894. MDIO_PMA_REG_ROM_VER2,
  6895. &rom_ver2_val);
  6896. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  6897. bnx2x_cl45_write(bp, phy,
  6898. MDIO_PMA_DEVAD,
  6899. MDIO_PMA_REG_ROM_VER2,
  6900. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  6901. bnx2x_cl45_write(bp, phy,
  6902. MDIO_PMA_DEVAD,
  6903. MDIO_PMA_REG_PHY_IDENTIFIER,
  6904. (phy_identifier | (1<<9)));
  6905. return 0;
  6906. }
  6907. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  6908. struct link_params *params,
  6909. u32 action)
  6910. {
  6911. struct bnx2x *bp = params->bp;
  6912. switch (action) {
  6913. case DISABLE_TX:
  6914. bnx2x_sfp_set_transmitter(params, phy, 0);
  6915. break;
  6916. case ENABLE_TX:
  6917. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  6918. bnx2x_sfp_set_transmitter(params, phy, 1);
  6919. break;
  6920. default:
  6921. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  6922. action);
  6923. return;
  6924. }
  6925. }
  6926. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  6927. u8 gpio_mode)
  6928. {
  6929. struct bnx2x *bp = params->bp;
  6930. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  6931. offsetof(struct shmem_region,
  6932. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  6933. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  6934. switch (fault_led_gpio) {
  6935. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  6936. return;
  6937. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  6938. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  6939. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  6940. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  6941. {
  6942. u8 gpio_port = bnx2x_get_gpio_port(params);
  6943. u16 gpio_pin = fault_led_gpio -
  6944. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  6945. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  6946. "pin %x port %x mode %x\n",
  6947. gpio_pin, gpio_port, gpio_mode);
  6948. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6949. }
  6950. break;
  6951. default:
  6952. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  6953. fault_led_gpio);
  6954. }
  6955. }
  6956. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  6957. u8 gpio_mode)
  6958. {
  6959. u32 pin_cfg;
  6960. u8 port = params->port;
  6961. struct bnx2x *bp = params->bp;
  6962. pin_cfg = (REG_RD(bp, params->shmem_base +
  6963. offsetof(struct shmem_region,
  6964. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  6965. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  6966. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  6967. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  6968. gpio_mode, pin_cfg);
  6969. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  6970. }
  6971. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  6972. u8 gpio_mode)
  6973. {
  6974. struct bnx2x *bp = params->bp;
  6975. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  6976. if (CHIP_IS_E3(bp)) {
  6977. /*
  6978. * Low ==> if SFP+ module is supported otherwise
  6979. * High ==> if SFP+ module is not on the approved vendor list
  6980. */
  6981. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  6982. } else
  6983. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  6984. }
  6985. static void bnx2x_warpcore_power_module(struct link_params *params,
  6986. struct bnx2x_phy *phy,
  6987. u8 power)
  6988. {
  6989. u32 pin_cfg;
  6990. struct bnx2x *bp = params->bp;
  6991. pin_cfg = (REG_RD(bp, params->shmem_base +
  6992. offsetof(struct shmem_region,
  6993. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6994. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6995. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6996. if (pin_cfg == PIN_CFG_NA)
  6997. return;
  6998. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6999. power, pin_cfg);
  7000. /*
  7001. * Low ==> corresponding SFP+ module is powered
  7002. * high ==> the SFP+ module is powered down
  7003. */
  7004. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7005. }
  7006. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7007. struct link_params *params)
  7008. {
  7009. bnx2x_warpcore_power_module(params, phy, 0);
  7010. }
  7011. static void bnx2x_power_sfp_module(struct link_params *params,
  7012. struct bnx2x_phy *phy,
  7013. u8 power)
  7014. {
  7015. struct bnx2x *bp = params->bp;
  7016. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7017. switch (phy->type) {
  7018. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7019. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7020. bnx2x_8727_power_module(params->bp, phy, power);
  7021. break;
  7022. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7023. bnx2x_warpcore_power_module(params, phy, power);
  7024. break;
  7025. default:
  7026. break;
  7027. }
  7028. }
  7029. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7030. struct bnx2x_phy *phy,
  7031. u16 edc_mode)
  7032. {
  7033. u16 val = 0;
  7034. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7035. struct bnx2x *bp = params->bp;
  7036. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7037. /* This is a global register which controls all lanes */
  7038. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7039. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7040. val &= ~(0xf << (lane << 2));
  7041. switch (edc_mode) {
  7042. case EDC_MODE_LINEAR:
  7043. case EDC_MODE_LIMITING:
  7044. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7045. break;
  7046. case EDC_MODE_PASSIVE_DAC:
  7047. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7048. break;
  7049. default:
  7050. break;
  7051. }
  7052. val |= (mode << (lane << 2));
  7053. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7054. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7055. /* A must read */
  7056. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7057. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7058. }
  7059. static void bnx2x_set_limiting_mode(struct link_params *params,
  7060. struct bnx2x_phy *phy,
  7061. u16 edc_mode)
  7062. {
  7063. switch (phy->type) {
  7064. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7065. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7066. break;
  7067. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7068. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7069. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7070. break;
  7071. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7072. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7073. break;
  7074. }
  7075. }
  7076. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7077. struct link_params *params)
  7078. {
  7079. struct bnx2x *bp = params->bp;
  7080. u16 edc_mode;
  7081. int rc = 0;
  7082. u32 val = REG_RD(bp, params->shmem_base +
  7083. offsetof(struct shmem_region, dev_info.
  7084. port_feature_config[params->port].config));
  7085. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7086. params->port);
  7087. /* Power up module */
  7088. bnx2x_power_sfp_module(params, phy, 1);
  7089. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7090. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7091. return -EINVAL;
  7092. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7093. /* check SFP+ module compatibility */
  7094. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7095. rc = -EINVAL;
  7096. /* Turn on fault module-detected led */
  7097. bnx2x_set_sfp_module_fault_led(params,
  7098. MISC_REGISTERS_GPIO_HIGH);
  7099. /* Check if need to power down the SFP+ module */
  7100. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7101. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7102. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7103. bnx2x_power_sfp_module(params, phy, 0);
  7104. return rc;
  7105. }
  7106. } else {
  7107. /* Turn off fault module-detected led */
  7108. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7109. }
  7110. /*
  7111. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7112. * is done automatically
  7113. */
  7114. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7115. /*
  7116. * Enable transmit for this module if the module is approved, or
  7117. * if unapproved modules should also enable the Tx laser
  7118. */
  7119. if (rc == 0 ||
  7120. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7121. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7122. bnx2x_sfp_set_transmitter(params, phy, 1);
  7123. else
  7124. bnx2x_sfp_set_transmitter(params, phy, 0);
  7125. return rc;
  7126. }
  7127. void bnx2x_handle_module_detect_int(struct link_params *params)
  7128. {
  7129. struct bnx2x *bp = params->bp;
  7130. struct bnx2x_phy *phy;
  7131. u32 gpio_val;
  7132. u8 gpio_num, gpio_port;
  7133. if (CHIP_IS_E3(bp))
  7134. phy = &params->phy[INT_PHY];
  7135. else
  7136. phy = &params->phy[EXT_PHY1];
  7137. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7138. params->port, &gpio_num, &gpio_port) ==
  7139. -EINVAL) {
  7140. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7141. return;
  7142. }
  7143. /* Set valid module led off */
  7144. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7145. /* Get current gpio val reflecting module plugged in / out*/
  7146. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7147. /* Call the handling function in case module is detected */
  7148. if (gpio_val == 0) {
  7149. bnx2x_power_sfp_module(params, phy, 1);
  7150. bnx2x_set_gpio_int(bp, gpio_num,
  7151. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7152. gpio_port);
  7153. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7154. bnx2x_sfp_module_detection(phy, params);
  7155. else
  7156. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7157. } else {
  7158. u32 val = REG_RD(bp, params->shmem_base +
  7159. offsetof(struct shmem_region, dev_info.
  7160. port_feature_config[params->port].
  7161. config));
  7162. bnx2x_set_gpio_int(bp, gpio_num,
  7163. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7164. gpio_port);
  7165. /*
  7166. * Module was plugged out.
  7167. * Disable transmit for this module
  7168. */
  7169. phy->media_type = ETH_PHY_NOT_PRESENT;
  7170. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7171. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7172. bnx2x_sfp_set_transmitter(params, phy, 0);
  7173. }
  7174. }
  7175. /******************************************************************/
  7176. /* Used by 8706 and 8727 */
  7177. /******************************************************************/
  7178. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7179. struct bnx2x_phy *phy,
  7180. u16 alarm_status_offset,
  7181. u16 alarm_ctrl_offset)
  7182. {
  7183. u16 alarm_status, val;
  7184. bnx2x_cl45_read(bp, phy,
  7185. MDIO_PMA_DEVAD, alarm_status_offset,
  7186. &alarm_status);
  7187. bnx2x_cl45_read(bp, phy,
  7188. MDIO_PMA_DEVAD, alarm_status_offset,
  7189. &alarm_status);
  7190. /* Mask or enable the fault event. */
  7191. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7192. if (alarm_status & (1<<0))
  7193. val &= ~(1<<0);
  7194. else
  7195. val |= (1<<0);
  7196. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7197. }
  7198. /******************************************************************/
  7199. /* common BCM8706/BCM8726 PHY SECTION */
  7200. /******************************************************************/
  7201. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7202. struct link_params *params,
  7203. struct link_vars *vars)
  7204. {
  7205. u8 link_up = 0;
  7206. u16 val1, val2, rx_sd, pcs_status;
  7207. struct bnx2x *bp = params->bp;
  7208. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7209. /* Clear RX Alarm*/
  7210. bnx2x_cl45_read(bp, phy,
  7211. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7212. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7213. MDIO_PMA_LASI_TXCTRL);
  7214. /* clear LASI indication*/
  7215. bnx2x_cl45_read(bp, phy,
  7216. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7217. bnx2x_cl45_read(bp, phy,
  7218. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7219. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7220. bnx2x_cl45_read(bp, phy,
  7221. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7222. bnx2x_cl45_read(bp, phy,
  7223. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7224. bnx2x_cl45_read(bp, phy,
  7225. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7226. bnx2x_cl45_read(bp, phy,
  7227. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7228. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7229. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7230. /*
  7231. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7232. * are set, or if the autoneg bit 1 is set
  7233. */
  7234. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7235. if (link_up) {
  7236. if (val2 & (1<<1))
  7237. vars->line_speed = SPEED_1000;
  7238. else
  7239. vars->line_speed = SPEED_10000;
  7240. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7241. vars->duplex = DUPLEX_FULL;
  7242. }
  7243. /* Capture 10G link fault. Read twice to clear stale value. */
  7244. if (vars->line_speed == SPEED_10000) {
  7245. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7246. MDIO_PMA_LASI_TXSTAT, &val1);
  7247. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7248. MDIO_PMA_LASI_TXSTAT, &val1);
  7249. if (val1 & (1<<0))
  7250. vars->fault_detected = 1;
  7251. }
  7252. return link_up;
  7253. }
  7254. /******************************************************************/
  7255. /* BCM8706 PHY SECTION */
  7256. /******************************************************************/
  7257. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7258. struct link_params *params,
  7259. struct link_vars *vars)
  7260. {
  7261. u32 tx_en_mode;
  7262. u16 cnt, val, tmp1;
  7263. struct bnx2x *bp = params->bp;
  7264. /* SPF+ PHY: Set flag to check for Tx error */
  7265. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7266. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7267. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7268. /* HW reset */
  7269. bnx2x_ext_phy_hw_reset(bp, params->port);
  7270. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7271. bnx2x_wait_reset_complete(bp, phy, params);
  7272. /* Wait until fw is loaded */
  7273. for (cnt = 0; cnt < 100; cnt++) {
  7274. bnx2x_cl45_read(bp, phy,
  7275. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7276. if (val)
  7277. break;
  7278. msleep(10);
  7279. }
  7280. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7281. if ((params->feature_config_flags &
  7282. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7283. u8 i;
  7284. u16 reg;
  7285. for (i = 0; i < 4; i++) {
  7286. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7287. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7288. MDIO_XS_8706_REG_BANK_RX0);
  7289. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7290. /* Clear first 3 bits of the control */
  7291. val &= ~0x7;
  7292. /* Set control bits according to configuration */
  7293. val |= (phy->rx_preemphasis[i] & 0x7);
  7294. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7295. " reg 0x%x <-- val 0x%x\n", reg, val);
  7296. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7297. }
  7298. }
  7299. /* Force speed */
  7300. if (phy->req_line_speed == SPEED_10000) {
  7301. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7302. bnx2x_cl45_write(bp, phy,
  7303. MDIO_PMA_DEVAD,
  7304. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7305. bnx2x_cl45_write(bp, phy,
  7306. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7307. 0);
  7308. /* Arm LASI for link and Tx fault. */
  7309. bnx2x_cl45_write(bp, phy,
  7310. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7311. } else {
  7312. /* Force 1Gbps using autoneg with 1G advertisement */
  7313. /* Allow CL37 through CL73 */
  7314. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7315. bnx2x_cl45_write(bp, phy,
  7316. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7317. /* Enable Full-Duplex advertisement on CL37 */
  7318. bnx2x_cl45_write(bp, phy,
  7319. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7320. /* Enable CL37 AN */
  7321. bnx2x_cl45_write(bp, phy,
  7322. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7323. /* 1G support */
  7324. bnx2x_cl45_write(bp, phy,
  7325. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7326. /* Enable clause 73 AN */
  7327. bnx2x_cl45_write(bp, phy,
  7328. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7329. bnx2x_cl45_write(bp, phy,
  7330. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7331. 0x0400);
  7332. bnx2x_cl45_write(bp, phy,
  7333. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7334. 0x0004);
  7335. }
  7336. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7337. /*
  7338. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7339. * power mode, if TX Laser is disabled
  7340. */
  7341. tx_en_mode = REG_RD(bp, params->shmem_base +
  7342. offsetof(struct shmem_region,
  7343. dev_info.port_hw_config[params->port].sfp_ctrl))
  7344. & PORT_HW_CFG_TX_LASER_MASK;
  7345. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7346. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7347. bnx2x_cl45_read(bp, phy,
  7348. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7349. tmp1 |= 0x1;
  7350. bnx2x_cl45_write(bp, phy,
  7351. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7352. }
  7353. return 0;
  7354. }
  7355. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7356. struct link_params *params,
  7357. struct link_vars *vars)
  7358. {
  7359. return bnx2x_8706_8726_read_status(phy, params, vars);
  7360. }
  7361. /******************************************************************/
  7362. /* BCM8726 PHY SECTION */
  7363. /******************************************************************/
  7364. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7365. struct link_params *params)
  7366. {
  7367. struct bnx2x *bp = params->bp;
  7368. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7369. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7370. }
  7371. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7372. struct link_params *params)
  7373. {
  7374. struct bnx2x *bp = params->bp;
  7375. /* Need to wait 100ms after reset */
  7376. msleep(100);
  7377. /* Micro controller re-boot */
  7378. bnx2x_cl45_write(bp, phy,
  7379. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7380. /* Set soft reset */
  7381. bnx2x_cl45_write(bp, phy,
  7382. MDIO_PMA_DEVAD,
  7383. MDIO_PMA_REG_GEN_CTRL,
  7384. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7385. bnx2x_cl45_write(bp, phy,
  7386. MDIO_PMA_DEVAD,
  7387. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7388. bnx2x_cl45_write(bp, phy,
  7389. MDIO_PMA_DEVAD,
  7390. MDIO_PMA_REG_GEN_CTRL,
  7391. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7392. /* wait for 150ms for microcode load */
  7393. msleep(150);
  7394. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD,
  7397. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7398. msleep(200);
  7399. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7400. }
  7401. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7402. struct link_params *params,
  7403. struct link_vars *vars)
  7404. {
  7405. struct bnx2x *bp = params->bp;
  7406. u16 val1;
  7407. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7408. if (link_up) {
  7409. bnx2x_cl45_read(bp, phy,
  7410. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7411. &val1);
  7412. if (val1 & (1<<15)) {
  7413. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7414. link_up = 0;
  7415. vars->line_speed = 0;
  7416. }
  7417. }
  7418. return link_up;
  7419. }
  7420. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7421. struct link_params *params,
  7422. struct link_vars *vars)
  7423. {
  7424. struct bnx2x *bp = params->bp;
  7425. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7426. /* SPF+ PHY: Set flag to check for Tx error */
  7427. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7428. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7429. bnx2x_wait_reset_complete(bp, phy, params);
  7430. bnx2x_8726_external_rom_boot(phy, params);
  7431. /*
  7432. * Need to call module detected on initialization since the module
  7433. * detection triggered by actual module insertion might occur before
  7434. * driver is loaded, and when driver is loaded, it reset all
  7435. * registers, including the transmitter
  7436. */
  7437. bnx2x_sfp_module_detection(phy, params);
  7438. if (phy->req_line_speed == SPEED_1000) {
  7439. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7440. bnx2x_cl45_write(bp, phy,
  7441. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7442. bnx2x_cl45_write(bp, phy,
  7443. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7444. bnx2x_cl45_write(bp, phy,
  7445. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7446. bnx2x_cl45_write(bp, phy,
  7447. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7448. 0x400);
  7449. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7450. (phy->speed_cap_mask &
  7451. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7452. ((phy->speed_cap_mask &
  7453. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7454. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7455. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7456. /* Set Flow control */
  7457. bnx2x_ext_phy_set_pause(params, phy, vars);
  7458. bnx2x_cl45_write(bp, phy,
  7459. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7460. bnx2x_cl45_write(bp, phy,
  7461. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7462. bnx2x_cl45_write(bp, phy,
  7463. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7464. bnx2x_cl45_write(bp, phy,
  7465. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7466. bnx2x_cl45_write(bp, phy,
  7467. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7468. /*
  7469. * Enable RX-ALARM control to receive interrupt for 1G speed
  7470. * change
  7471. */
  7472. bnx2x_cl45_write(bp, phy,
  7473. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7474. bnx2x_cl45_write(bp, phy,
  7475. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7476. 0x400);
  7477. } else { /* Default 10G. Set only LASI control */
  7478. bnx2x_cl45_write(bp, phy,
  7479. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7480. }
  7481. /* Set TX PreEmphasis if needed */
  7482. if ((params->feature_config_flags &
  7483. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7484. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  7485. "TX_CTRL2 0x%x\n",
  7486. phy->tx_preemphasis[0],
  7487. phy->tx_preemphasis[1]);
  7488. bnx2x_cl45_write(bp, phy,
  7489. MDIO_PMA_DEVAD,
  7490. MDIO_PMA_REG_8726_TX_CTRL1,
  7491. phy->tx_preemphasis[0]);
  7492. bnx2x_cl45_write(bp, phy,
  7493. MDIO_PMA_DEVAD,
  7494. MDIO_PMA_REG_8726_TX_CTRL2,
  7495. phy->tx_preemphasis[1]);
  7496. }
  7497. return 0;
  7498. }
  7499. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7500. struct link_params *params)
  7501. {
  7502. struct bnx2x *bp = params->bp;
  7503. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7504. /* Set serial boot control for external load */
  7505. bnx2x_cl45_write(bp, phy,
  7506. MDIO_PMA_DEVAD,
  7507. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7508. }
  7509. /******************************************************************/
  7510. /* BCM8727 PHY SECTION */
  7511. /******************************************************************/
  7512. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7513. struct link_params *params, u8 mode)
  7514. {
  7515. struct bnx2x *bp = params->bp;
  7516. u16 led_mode_bitmask = 0;
  7517. u16 gpio_pins_bitmask = 0;
  7518. u16 val;
  7519. /* Only NOC flavor requires to set the LED specifically */
  7520. if (!(phy->flags & FLAGS_NOC))
  7521. return;
  7522. switch (mode) {
  7523. case LED_MODE_FRONT_PANEL_OFF:
  7524. case LED_MODE_OFF:
  7525. led_mode_bitmask = 0;
  7526. gpio_pins_bitmask = 0x03;
  7527. break;
  7528. case LED_MODE_ON:
  7529. led_mode_bitmask = 0;
  7530. gpio_pins_bitmask = 0x02;
  7531. break;
  7532. case LED_MODE_OPER:
  7533. led_mode_bitmask = 0x60;
  7534. gpio_pins_bitmask = 0x11;
  7535. break;
  7536. }
  7537. bnx2x_cl45_read(bp, phy,
  7538. MDIO_PMA_DEVAD,
  7539. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7540. &val);
  7541. val &= 0xff8f;
  7542. val |= led_mode_bitmask;
  7543. bnx2x_cl45_write(bp, phy,
  7544. MDIO_PMA_DEVAD,
  7545. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7546. val);
  7547. bnx2x_cl45_read(bp, phy,
  7548. MDIO_PMA_DEVAD,
  7549. MDIO_PMA_REG_8727_GPIO_CTRL,
  7550. &val);
  7551. val &= 0xffe0;
  7552. val |= gpio_pins_bitmask;
  7553. bnx2x_cl45_write(bp, phy,
  7554. MDIO_PMA_DEVAD,
  7555. MDIO_PMA_REG_8727_GPIO_CTRL,
  7556. val);
  7557. }
  7558. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7559. struct link_params *params) {
  7560. u32 swap_val, swap_override;
  7561. u8 port;
  7562. /*
  7563. * The PHY reset is controlled by GPIO 1. Fake the port number
  7564. * to cancel the swap done in set_gpio()
  7565. */
  7566. struct bnx2x *bp = params->bp;
  7567. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7568. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7569. port = (swap_val && swap_override) ^ 1;
  7570. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7571. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7572. }
  7573. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7574. struct link_params *params,
  7575. struct link_vars *vars)
  7576. {
  7577. u32 tx_en_mode;
  7578. u16 tmp1, val, mod_abs, tmp2;
  7579. u16 rx_alarm_ctrl_val;
  7580. u16 lasi_ctrl_val;
  7581. struct bnx2x *bp = params->bp;
  7582. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7583. /* SPF+ PHY: Set flag to check for Tx error */
  7584. vars->phy_flags = PHY_TX_ERROR_CHECK_FLAG;
  7585. bnx2x_wait_reset_complete(bp, phy, params);
  7586. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7587. /* Should be 0x6 to enable XS on Tx side. */
  7588. lasi_ctrl_val = 0x0006;
  7589. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7590. /* enable LASI */
  7591. bnx2x_cl45_write(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7593. rx_alarm_ctrl_val);
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7596. 0);
  7597. bnx2x_cl45_write(bp, phy,
  7598. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7599. /*
  7600. * Initially configure MOD_ABS to interrupt when module is
  7601. * presence( bit 8)
  7602. */
  7603. bnx2x_cl45_read(bp, phy,
  7604. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7605. /*
  7606. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7607. * When the EDC is off it locks onto a reference clock and avoids
  7608. * becoming 'lost'
  7609. */
  7610. mod_abs &= ~(1<<8);
  7611. if (!(phy->flags & FLAGS_NOC))
  7612. mod_abs &= ~(1<<9);
  7613. bnx2x_cl45_write(bp, phy,
  7614. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7615. /* Enable/Disable PHY transmitter output */
  7616. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7617. /* Make MOD_ABS give interrupt on change */
  7618. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7619. &val);
  7620. val |= (1<<12);
  7621. if (phy->flags & FLAGS_NOC)
  7622. val |= (3<<5);
  7623. /*
  7624. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7625. * status which reflect SFP+ module over-current
  7626. */
  7627. if (!(phy->flags & FLAGS_NOC))
  7628. val &= 0xff8f; /* Reset bits 4-6 */
  7629. bnx2x_cl45_write(bp, phy,
  7630. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7631. bnx2x_8727_power_module(bp, phy, 1);
  7632. bnx2x_cl45_read(bp, phy,
  7633. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7634. bnx2x_cl45_read(bp, phy,
  7635. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7636. /* Set option 1G speed */
  7637. if (phy->req_line_speed == SPEED_1000) {
  7638. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7641. bnx2x_cl45_write(bp, phy,
  7642. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7643. bnx2x_cl45_read(bp, phy,
  7644. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7645. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7646. /*
  7647. * Power down the XAUI until link is up in case of dual-media
  7648. * and 1G
  7649. */
  7650. if (DUAL_MEDIA(params)) {
  7651. bnx2x_cl45_read(bp, phy,
  7652. MDIO_PMA_DEVAD,
  7653. MDIO_PMA_REG_8727_PCS_GP, &val);
  7654. val |= (3<<10);
  7655. bnx2x_cl45_write(bp, phy,
  7656. MDIO_PMA_DEVAD,
  7657. MDIO_PMA_REG_8727_PCS_GP, val);
  7658. }
  7659. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7660. ((phy->speed_cap_mask &
  7661. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7662. ((phy->speed_cap_mask &
  7663. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7664. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7665. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7666. bnx2x_cl45_write(bp, phy,
  7667. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7668. bnx2x_cl45_write(bp, phy,
  7669. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7670. } else {
  7671. /*
  7672. * Since the 8727 has only single reset pin, need to set the 10G
  7673. * registers although it is default
  7674. */
  7675. bnx2x_cl45_write(bp, phy,
  7676. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7677. 0x0020);
  7678. bnx2x_cl45_write(bp, phy,
  7679. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7680. bnx2x_cl45_write(bp, phy,
  7681. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7682. bnx2x_cl45_write(bp, phy,
  7683. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7684. 0x0008);
  7685. }
  7686. /*
  7687. * Set 2-wire transfer rate of SFP+ module EEPROM
  7688. * to 100Khz since some DACs(direct attached cables) do
  7689. * not work at 400Khz.
  7690. */
  7691. bnx2x_cl45_write(bp, phy,
  7692. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7693. 0xa001);
  7694. /* Set TX PreEmphasis if needed */
  7695. if ((params->feature_config_flags &
  7696. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7697. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7698. phy->tx_preemphasis[0],
  7699. phy->tx_preemphasis[1]);
  7700. bnx2x_cl45_write(bp, phy,
  7701. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7702. phy->tx_preemphasis[0]);
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7705. phy->tx_preemphasis[1]);
  7706. }
  7707. /*
  7708. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7709. * power mode, if TX Laser is disabled
  7710. */
  7711. tx_en_mode = REG_RD(bp, params->shmem_base +
  7712. offsetof(struct shmem_region,
  7713. dev_info.port_hw_config[params->port].sfp_ctrl))
  7714. & PORT_HW_CFG_TX_LASER_MASK;
  7715. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7716. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7717. bnx2x_cl45_read(bp, phy,
  7718. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7719. tmp2 |= 0x1000;
  7720. tmp2 &= 0xFFEF;
  7721. bnx2x_cl45_write(bp, phy,
  7722. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7723. }
  7724. return 0;
  7725. }
  7726. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7727. struct link_params *params)
  7728. {
  7729. struct bnx2x *bp = params->bp;
  7730. u16 mod_abs, rx_alarm_status;
  7731. u32 val = REG_RD(bp, params->shmem_base +
  7732. offsetof(struct shmem_region, dev_info.
  7733. port_feature_config[params->port].
  7734. config));
  7735. bnx2x_cl45_read(bp, phy,
  7736. MDIO_PMA_DEVAD,
  7737. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7738. if (mod_abs & (1<<8)) {
  7739. /* Module is absent */
  7740. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7741. "show module is absent\n");
  7742. phy->media_type = ETH_PHY_NOT_PRESENT;
  7743. /*
  7744. * 1. Set mod_abs to detect next module
  7745. * presence event
  7746. * 2. Set EDC off by setting OPTXLOS signal input to low
  7747. * (bit 9).
  7748. * When the EDC is off it locks onto a reference clock and
  7749. * avoids becoming 'lost'.
  7750. */
  7751. mod_abs &= ~(1<<8);
  7752. if (!(phy->flags & FLAGS_NOC))
  7753. mod_abs &= ~(1<<9);
  7754. bnx2x_cl45_write(bp, phy,
  7755. MDIO_PMA_DEVAD,
  7756. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7757. /*
  7758. * Clear RX alarm since it stays up as long as
  7759. * the mod_abs wasn't changed
  7760. */
  7761. bnx2x_cl45_read(bp, phy,
  7762. MDIO_PMA_DEVAD,
  7763. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7764. } else {
  7765. /* Module is present */
  7766. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  7767. "show module is present\n");
  7768. /*
  7769. * First disable transmitter, and if the module is ok, the
  7770. * module_detection will enable it
  7771. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7772. * 2. Restore the default polarity of the OPRXLOS signal and
  7773. * this signal will then correctly indicate the presence or
  7774. * absence of the Rx signal. (bit 9)
  7775. */
  7776. mod_abs |= (1<<8);
  7777. if (!(phy->flags & FLAGS_NOC))
  7778. mod_abs |= (1<<9);
  7779. bnx2x_cl45_write(bp, phy,
  7780. MDIO_PMA_DEVAD,
  7781. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7782. /*
  7783. * Clear RX alarm since it stays up as long as the mod_abs
  7784. * wasn't changed. This is need to be done before calling the
  7785. * module detection, otherwise it will clear* the link update
  7786. * alarm
  7787. */
  7788. bnx2x_cl45_read(bp, phy,
  7789. MDIO_PMA_DEVAD,
  7790. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7791. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7792. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7793. bnx2x_sfp_set_transmitter(params, phy, 0);
  7794. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7795. bnx2x_sfp_module_detection(phy, params);
  7796. else
  7797. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7798. }
  7799. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7800. rx_alarm_status);
  7801. /* No need to check link status in case of module plugged in/out */
  7802. }
  7803. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7804. struct link_params *params,
  7805. struct link_vars *vars)
  7806. {
  7807. struct bnx2x *bp = params->bp;
  7808. u8 link_up = 0, oc_port = params->port;
  7809. u16 link_status = 0;
  7810. u16 rx_alarm_status, lasi_ctrl, val1;
  7811. /* If PHY is not initialized, do not check link status */
  7812. bnx2x_cl45_read(bp, phy,
  7813. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7814. &lasi_ctrl);
  7815. if (!lasi_ctrl)
  7816. return 0;
  7817. /* Check the LASI on Rx */
  7818. bnx2x_cl45_read(bp, phy,
  7819. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7820. &rx_alarm_status);
  7821. vars->line_speed = 0;
  7822. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7823. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7824. MDIO_PMA_LASI_TXCTRL);
  7825. bnx2x_cl45_read(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7827. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7828. /* Clear MSG-OUT */
  7829. bnx2x_cl45_read(bp, phy,
  7830. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7831. /*
  7832. * If a module is present and there is need to check
  7833. * for over current
  7834. */
  7835. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7836. /* Check over-current using 8727 GPIO0 input*/
  7837. bnx2x_cl45_read(bp, phy,
  7838. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7839. &val1);
  7840. if ((val1 & (1<<8)) == 0) {
  7841. if (!CHIP_IS_E1x(bp))
  7842. oc_port = BP_PATH(bp) + (params->port << 1);
  7843. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  7844. " on port %d\n", oc_port);
  7845. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7846. " been detected and the power to "
  7847. "that SFP+ module has been removed"
  7848. " to prevent failure of the card."
  7849. " Please remove the SFP+ module and"
  7850. " restart the system to clear this"
  7851. " error.\n",
  7852. oc_port);
  7853. /* Disable all RX_ALARMs except for mod_abs */
  7854. bnx2x_cl45_write(bp, phy,
  7855. MDIO_PMA_DEVAD,
  7856. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7857. bnx2x_cl45_read(bp, phy,
  7858. MDIO_PMA_DEVAD,
  7859. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7860. /* Wait for module_absent_event */
  7861. val1 |= (1<<8);
  7862. bnx2x_cl45_write(bp, phy,
  7863. MDIO_PMA_DEVAD,
  7864. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  7865. /* Clear RX alarm */
  7866. bnx2x_cl45_read(bp, phy,
  7867. MDIO_PMA_DEVAD,
  7868. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7869. return 0;
  7870. }
  7871. } /* Over current check */
  7872. /* When module absent bit is set, check module */
  7873. if (rx_alarm_status & (1<<5)) {
  7874. bnx2x_8727_handle_mod_abs(phy, params);
  7875. /* Enable all mod_abs and link detection bits */
  7876. bnx2x_cl45_write(bp, phy,
  7877. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7878. ((1<<5) | (1<<2)));
  7879. }
  7880. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  7881. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  7882. /* If transmitter is disabled, ignore false link up indication */
  7883. bnx2x_cl45_read(bp, phy,
  7884. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7885. if (val1 & (1<<15)) {
  7886. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7887. return 0;
  7888. }
  7889. bnx2x_cl45_read(bp, phy,
  7890. MDIO_PMA_DEVAD,
  7891. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  7892. /*
  7893. * Bits 0..2 --> speed detected,
  7894. * Bits 13..15--> link is down
  7895. */
  7896. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  7897. link_up = 1;
  7898. vars->line_speed = SPEED_10000;
  7899. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  7900. params->port);
  7901. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  7902. link_up = 1;
  7903. vars->line_speed = SPEED_1000;
  7904. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  7905. params->port);
  7906. } else {
  7907. link_up = 0;
  7908. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  7909. params->port);
  7910. }
  7911. /* Capture 10G link fault. */
  7912. if (vars->line_speed == SPEED_10000) {
  7913. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7914. MDIO_PMA_LASI_TXSTAT, &val1);
  7915. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7916. MDIO_PMA_LASI_TXSTAT, &val1);
  7917. if (val1 & (1<<0)) {
  7918. vars->fault_detected = 1;
  7919. }
  7920. }
  7921. if (link_up) {
  7922. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7923. vars->duplex = DUPLEX_FULL;
  7924. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  7925. }
  7926. if ((DUAL_MEDIA(params)) &&
  7927. (phy->req_line_speed == SPEED_1000)) {
  7928. bnx2x_cl45_read(bp, phy,
  7929. MDIO_PMA_DEVAD,
  7930. MDIO_PMA_REG_8727_PCS_GP, &val1);
  7931. /*
  7932. * In case of dual-media board and 1G, power up the XAUI side,
  7933. * otherwise power it down. For 10G it is done automatically
  7934. */
  7935. if (link_up)
  7936. val1 &= ~(3<<10);
  7937. else
  7938. val1 |= (3<<10);
  7939. bnx2x_cl45_write(bp, phy,
  7940. MDIO_PMA_DEVAD,
  7941. MDIO_PMA_REG_8727_PCS_GP, val1);
  7942. }
  7943. return link_up;
  7944. }
  7945. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  7946. struct link_params *params)
  7947. {
  7948. struct bnx2x *bp = params->bp;
  7949. /* Enable/Disable PHY transmitter output */
  7950. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  7951. /* Disable Transmitter */
  7952. bnx2x_sfp_set_transmitter(params, phy, 0);
  7953. /* Clear LASI */
  7954. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  7955. }
  7956. /******************************************************************/
  7957. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  7958. /******************************************************************/
  7959. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  7960. struct link_params *params)
  7961. {
  7962. u16 val, fw_ver1, fw_ver2, cnt;
  7963. u8 port;
  7964. struct bnx2x *bp = params->bp;
  7965. port = params->port;
  7966. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  7967. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  7968. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  7969. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7970. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  7971. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  7972. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  7973. for (cnt = 0; cnt < 100; cnt++) {
  7974. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7975. if (val & 1)
  7976. break;
  7977. udelay(5);
  7978. }
  7979. if (cnt == 100) {
  7980. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  7981. bnx2x_save_spirom_version(bp, port, 0,
  7982. phy->ver_addr);
  7983. return;
  7984. }
  7985. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  7986. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  7987. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  7988. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  7989. for (cnt = 0; cnt < 100; cnt++) {
  7990. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  7991. if (val & 1)
  7992. break;
  7993. udelay(5);
  7994. }
  7995. if (cnt == 100) {
  7996. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  7997. bnx2x_save_spirom_version(bp, port, 0,
  7998. phy->ver_addr);
  7999. return;
  8000. }
  8001. /* lower 16 bits of the register SPI_FW_STATUS */
  8002. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8003. /* upper 16 bits of register SPI_FW_STATUS */
  8004. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8005. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8006. phy->ver_addr);
  8007. }
  8008. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8009. struct bnx2x_phy *phy)
  8010. {
  8011. u16 val;
  8012. /* PHYC_CTL_LED_CTL */
  8013. bnx2x_cl45_read(bp, phy,
  8014. MDIO_PMA_DEVAD,
  8015. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8016. val &= 0xFE00;
  8017. val |= 0x0092;
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD,
  8020. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8021. bnx2x_cl45_write(bp, phy,
  8022. MDIO_PMA_DEVAD,
  8023. MDIO_PMA_REG_8481_LED1_MASK,
  8024. 0x80);
  8025. bnx2x_cl45_write(bp, phy,
  8026. MDIO_PMA_DEVAD,
  8027. MDIO_PMA_REG_8481_LED2_MASK,
  8028. 0x18);
  8029. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8030. bnx2x_cl45_write(bp, phy,
  8031. MDIO_PMA_DEVAD,
  8032. MDIO_PMA_REG_8481_LED3_MASK,
  8033. 0x0006);
  8034. /* Select the closest activity blink rate to that in 10/100/1000 */
  8035. bnx2x_cl45_write(bp, phy,
  8036. MDIO_PMA_DEVAD,
  8037. MDIO_PMA_REG_8481_LED3_BLINK,
  8038. 0);
  8039. bnx2x_cl45_read(bp, phy,
  8040. MDIO_PMA_DEVAD,
  8041. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8042. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8043. bnx2x_cl45_write(bp, phy,
  8044. MDIO_PMA_DEVAD,
  8045. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8046. /* 'Interrupt Mask' */
  8047. bnx2x_cl45_write(bp, phy,
  8048. MDIO_AN_DEVAD,
  8049. 0xFFFB, 0xFFFD);
  8050. }
  8051. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8052. struct link_params *params,
  8053. struct link_vars *vars)
  8054. {
  8055. struct bnx2x *bp = params->bp;
  8056. u16 autoneg_val, an_1000_val, an_10_100_val;
  8057. u16 tmp_req_line_speed;
  8058. tmp_req_line_speed = phy->req_line_speed;
  8059. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8060. if (phy->req_line_speed == SPEED_10000)
  8061. phy->req_line_speed = SPEED_AUTO_NEG;
  8062. /*
  8063. * This phy uses the NIG latch mechanism since link indication
  8064. * arrives through its LED4 and not via its LASI signal, so we
  8065. * get steady signal instead of clear on read
  8066. */
  8067. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8068. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8069. bnx2x_cl45_write(bp, phy,
  8070. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8071. bnx2x_848xx_set_led(bp, phy);
  8072. /* set 1000 speed advertisement */
  8073. bnx2x_cl45_read(bp, phy,
  8074. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8075. &an_1000_val);
  8076. bnx2x_ext_phy_set_pause(params, phy, vars);
  8077. bnx2x_cl45_read(bp, phy,
  8078. MDIO_AN_DEVAD,
  8079. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8080. &an_10_100_val);
  8081. bnx2x_cl45_read(bp, phy,
  8082. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8083. &autoneg_val);
  8084. /* Disable forced speed */
  8085. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8086. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8087. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8088. (phy->speed_cap_mask &
  8089. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8090. (phy->req_line_speed == SPEED_1000)) {
  8091. an_1000_val |= (1<<8);
  8092. autoneg_val |= (1<<9 | 1<<12);
  8093. if (phy->req_duplex == DUPLEX_FULL)
  8094. an_1000_val |= (1<<9);
  8095. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8096. } else
  8097. an_1000_val &= ~((1<<8) | (1<<9));
  8098. bnx2x_cl45_write(bp, phy,
  8099. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8100. an_1000_val);
  8101. /* set 100 speed advertisement */
  8102. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8103. (phy->speed_cap_mask &
  8104. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8105. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8106. (phy->supported &
  8107. (SUPPORTED_100baseT_Half |
  8108. SUPPORTED_100baseT_Full)))) {
  8109. an_10_100_val |= (1<<7);
  8110. /* Enable autoneg and restart autoneg for legacy speeds */
  8111. autoneg_val |= (1<<9 | 1<<12);
  8112. if (phy->req_duplex == DUPLEX_FULL)
  8113. an_10_100_val |= (1<<8);
  8114. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8115. }
  8116. /* set 10 speed advertisement */
  8117. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8118. (phy->speed_cap_mask &
  8119. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8120. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8121. (phy->supported &
  8122. (SUPPORTED_10baseT_Half |
  8123. SUPPORTED_10baseT_Full)))) {
  8124. an_10_100_val |= (1<<5);
  8125. autoneg_val |= (1<<9 | 1<<12);
  8126. if (phy->req_duplex == DUPLEX_FULL)
  8127. an_10_100_val |= (1<<6);
  8128. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8129. }
  8130. /* Only 10/100 are allowed to work in FORCE mode */
  8131. if ((phy->req_line_speed == SPEED_100) &&
  8132. (phy->supported &
  8133. (SUPPORTED_100baseT_Half |
  8134. SUPPORTED_100baseT_Full))) {
  8135. autoneg_val |= (1<<13);
  8136. /* Enabled AUTO-MDIX when autoneg is disabled */
  8137. bnx2x_cl45_write(bp, phy,
  8138. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8139. (1<<15 | 1<<9 | 7<<0));
  8140. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8141. }
  8142. if ((phy->req_line_speed == SPEED_10) &&
  8143. (phy->supported &
  8144. (SUPPORTED_10baseT_Half |
  8145. SUPPORTED_10baseT_Full))) {
  8146. /* Enabled AUTO-MDIX when autoneg is disabled */
  8147. bnx2x_cl45_write(bp, phy,
  8148. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8149. (1<<15 | 1<<9 | 7<<0));
  8150. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8151. }
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8154. an_10_100_val);
  8155. if (phy->req_duplex == DUPLEX_FULL)
  8156. autoneg_val |= (1<<8);
  8157. bnx2x_cl45_write(bp, phy,
  8158. MDIO_AN_DEVAD,
  8159. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8160. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8161. (phy->speed_cap_mask &
  8162. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8163. (phy->req_line_speed == SPEED_10000)) {
  8164. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8165. /* Restart autoneg for 10G*/
  8166. bnx2x_cl45_write(bp, phy,
  8167. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8168. 0x3200);
  8169. } else if (phy->req_line_speed != SPEED_10 &&
  8170. phy->req_line_speed != SPEED_100) {
  8171. bnx2x_cl45_write(bp, phy,
  8172. MDIO_AN_DEVAD,
  8173. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8174. 1);
  8175. }
  8176. /* Save spirom version */
  8177. bnx2x_save_848xx_spirom_version(phy, params);
  8178. phy->req_line_speed = tmp_req_line_speed;
  8179. return 0;
  8180. }
  8181. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8182. struct link_params *params,
  8183. struct link_vars *vars)
  8184. {
  8185. struct bnx2x *bp = params->bp;
  8186. /* Restore normal power mode*/
  8187. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8188. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8189. /* HW reset */
  8190. bnx2x_ext_phy_hw_reset(bp, params->port);
  8191. bnx2x_wait_reset_complete(bp, phy, params);
  8192. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8193. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8194. }
  8195. #define PHY84833_HDSHK_WAIT 300
  8196. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8197. struct link_params *params,
  8198. struct link_vars *vars)
  8199. {
  8200. u32 idx;
  8201. u32 pair_swap;
  8202. u16 val;
  8203. u16 data;
  8204. struct bnx2x *bp = params->bp;
  8205. /* Do pair swap */
  8206. /* Check for configuration. */
  8207. pair_swap = REG_RD(bp, params->shmem_base +
  8208. offsetof(struct shmem_region,
  8209. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8210. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8211. if (pair_swap == 0)
  8212. return 0;
  8213. data = (u16)pair_swap;
  8214. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8215. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8216. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8217. PHY84833_CMD_OPEN_OVERRIDE);
  8218. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8219. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8220. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8221. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8222. break;
  8223. msleep(1);
  8224. }
  8225. if (idx >= PHY84833_HDSHK_WAIT) {
  8226. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8227. return -EINVAL;
  8228. }
  8229. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8230. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8231. data);
  8232. /* Issue pair swap command */
  8233. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8234. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8235. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8236. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8237. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8238. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8239. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8240. (val == PHY84833_CMD_COMPLETE_ERROR))
  8241. break;
  8242. msleep(1);
  8243. }
  8244. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8245. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8246. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8247. return -EINVAL;
  8248. }
  8249. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8250. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8251. PHY84833_CMD_CLEAR_COMPLETE);
  8252. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8253. return 0;
  8254. }
  8255. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8256. u32 shmem_base_path[],
  8257. u32 chip_id)
  8258. {
  8259. u32 reset_pin[2];
  8260. u32 idx;
  8261. u8 reset_gpios;
  8262. if (CHIP_IS_E3(bp)) {
  8263. /* Assume that these will be GPIOs, not EPIOs. */
  8264. for (idx = 0; idx < 2; idx++) {
  8265. /* Map config param to register bit. */
  8266. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8267. offsetof(struct shmem_region,
  8268. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8269. reset_pin[idx] = (reset_pin[idx] &
  8270. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8271. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8272. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8273. reset_pin[idx] = (1 << reset_pin[idx]);
  8274. }
  8275. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8276. } else {
  8277. /* E2, look from diff place of shmem. */
  8278. for (idx = 0; idx < 2; idx++) {
  8279. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8280. offsetof(struct shmem_region,
  8281. dev_info.port_hw_config[0].default_cfg));
  8282. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8283. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8284. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8285. reset_pin[idx] = (1 << reset_pin[idx]);
  8286. }
  8287. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8288. }
  8289. return reset_gpios;
  8290. }
  8291. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8292. struct link_params *params)
  8293. {
  8294. struct bnx2x *bp = params->bp;
  8295. u8 reset_gpios;
  8296. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8297. offsetof(struct shmem2_region,
  8298. other_shmem_base_addr));
  8299. u32 shmem_base_path[2];
  8300. shmem_base_path[0] = params->shmem_base;
  8301. shmem_base_path[1] = other_shmem_base_addr;
  8302. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8303. params->chip_id);
  8304. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8305. udelay(10);
  8306. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8307. reset_gpios);
  8308. return 0;
  8309. }
  8310. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8311. u32 shmem_base_path[],
  8312. u32 chip_id)
  8313. {
  8314. u8 reset_gpios;
  8315. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8316. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8317. udelay(10);
  8318. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8319. msleep(800);
  8320. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8321. reset_gpios);
  8322. return 0;
  8323. }
  8324. #define PHY84833_CONSTANT_LATENCY 1193
  8325. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8326. struct link_params *params,
  8327. struct link_vars *vars)
  8328. {
  8329. struct bnx2x *bp = params->bp;
  8330. u8 port, initialize = 1;
  8331. u16 val;
  8332. u16 temp;
  8333. u32 actual_phy_selection, cms_enable, idx;
  8334. int rc = 0;
  8335. msleep(1);
  8336. if (!(CHIP_IS_E1(bp)))
  8337. port = BP_PATH(bp);
  8338. else
  8339. port = params->port;
  8340. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8341. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8342. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8343. port);
  8344. } else {
  8345. /* MDIO reset */
  8346. bnx2x_cl45_write(bp, phy,
  8347. MDIO_PMA_DEVAD,
  8348. MDIO_PMA_REG_CTRL, 0x8000);
  8349. /* Bring PHY out of super isolate mode */
  8350. bnx2x_cl45_read(bp, phy,
  8351. MDIO_CTL_DEVAD,
  8352. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8353. val &= ~MDIO_84833_SUPER_ISOLATE;
  8354. bnx2x_cl45_write(bp, phy,
  8355. MDIO_CTL_DEVAD,
  8356. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8357. }
  8358. bnx2x_wait_reset_complete(bp, phy, params);
  8359. /* Wait for GPHY to come out of reset */
  8360. msleep(50);
  8361. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8362. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8363. /*
  8364. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8365. */
  8366. temp = vars->line_speed;
  8367. vars->line_speed = SPEED_10000;
  8368. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8369. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8370. vars->line_speed = temp;
  8371. /* Set dual-media configuration according to configuration */
  8372. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8373. MDIO_CTL_REG_84823_MEDIA, &val);
  8374. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8375. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8376. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8377. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8378. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8379. if (CHIP_IS_E3(bp)) {
  8380. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8381. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8382. } else {
  8383. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8384. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8385. }
  8386. actual_phy_selection = bnx2x_phy_selection(params);
  8387. switch (actual_phy_selection) {
  8388. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8389. /* Do nothing. Essentially this is like the priority copper */
  8390. break;
  8391. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8392. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8393. break;
  8394. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8395. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8396. break;
  8397. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8398. /* Do nothing here. The first PHY won't be initialized at all */
  8399. break;
  8400. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8401. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8402. initialize = 0;
  8403. break;
  8404. }
  8405. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8406. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8407. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8408. MDIO_CTL_REG_84823_MEDIA, val);
  8409. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8410. params->multi_phy_config, val);
  8411. /* AutogrEEEn */
  8412. if (params->feature_config_flags &
  8413. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8414. /* Ensure that f/w is ready */
  8415. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8416. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8417. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8418. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8419. break;
  8420. usleep_range(1000, 1000);
  8421. }
  8422. if (idx >= PHY84833_HDSHK_WAIT) {
  8423. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8424. return -EINVAL;
  8425. }
  8426. /* Select EEE mode */
  8427. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8428. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8429. 0x2);
  8430. /* Set Idle and Latency */
  8431. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8432. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8433. PHY84833_CONSTANT_LATENCY + 1);
  8434. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8435. MDIO_84833_TOP_CFG_DATA3_REG,
  8436. PHY84833_CONSTANT_LATENCY + 1);
  8437. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8438. MDIO_84833_TOP_CFG_DATA4_REG,
  8439. PHY84833_CONSTANT_LATENCY);
  8440. /* Send EEE instruction to command register */
  8441. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8442. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8443. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8444. /* Ensure that the command has completed */
  8445. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8446. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8447. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8448. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8449. (val == PHY84833_CMD_COMPLETE_ERROR))
  8450. break;
  8451. usleep_range(1000, 1000);
  8452. }
  8453. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8454. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8455. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8456. return -EINVAL;
  8457. }
  8458. /* Reset command handler */
  8459. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8460. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8461. PHY84833_CMD_CLEAR_COMPLETE);
  8462. }
  8463. if (initialize)
  8464. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8465. else
  8466. bnx2x_save_848xx_spirom_version(phy, params);
  8467. /* 84833 PHY has a better feature and doesn't need to support this. */
  8468. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8469. cms_enable = REG_RD(bp, params->shmem_base +
  8470. offsetof(struct shmem_region,
  8471. dev_info.port_hw_config[params->port].default_cfg)) &
  8472. PORT_HW_CFG_ENABLE_CMS_MASK;
  8473. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8474. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8475. if (cms_enable)
  8476. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8477. else
  8478. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8479. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8480. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8481. }
  8482. return rc;
  8483. }
  8484. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8485. struct link_params *params,
  8486. struct link_vars *vars)
  8487. {
  8488. struct bnx2x *bp = params->bp;
  8489. u16 val, val1, val2;
  8490. u8 link_up = 0;
  8491. /* Check 10G-BaseT link status */
  8492. /* Check PMD signal ok */
  8493. bnx2x_cl45_read(bp, phy,
  8494. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8495. bnx2x_cl45_read(bp, phy,
  8496. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8497. &val2);
  8498. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8499. /* Check link 10G */
  8500. if (val2 & (1<<11)) {
  8501. vars->line_speed = SPEED_10000;
  8502. vars->duplex = DUPLEX_FULL;
  8503. link_up = 1;
  8504. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8505. } else { /* Check Legacy speed link */
  8506. u16 legacy_status, legacy_speed;
  8507. /* Enable expansion register 0x42 (Operation mode status) */
  8508. bnx2x_cl45_write(bp, phy,
  8509. MDIO_AN_DEVAD,
  8510. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8511. /* Get legacy speed operation status */
  8512. bnx2x_cl45_read(bp, phy,
  8513. MDIO_AN_DEVAD,
  8514. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8515. &legacy_status);
  8516. DP(NETIF_MSG_LINK, "Legacy speed status"
  8517. " = 0x%x\n", legacy_status);
  8518. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8519. if (link_up) {
  8520. legacy_speed = (legacy_status & (3<<9));
  8521. if (legacy_speed == (0<<9))
  8522. vars->line_speed = SPEED_10;
  8523. else if (legacy_speed == (1<<9))
  8524. vars->line_speed = SPEED_100;
  8525. else if (legacy_speed == (2<<9))
  8526. vars->line_speed = SPEED_1000;
  8527. else /* Should not happen */
  8528. vars->line_speed = 0;
  8529. if (legacy_status & (1<<8))
  8530. vars->duplex = DUPLEX_FULL;
  8531. else
  8532. vars->duplex = DUPLEX_HALF;
  8533. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  8534. " is_duplex_full= %d\n", vars->line_speed,
  8535. (vars->duplex == DUPLEX_FULL));
  8536. /* Check legacy speed AN resolution */
  8537. bnx2x_cl45_read(bp, phy,
  8538. MDIO_AN_DEVAD,
  8539. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8540. &val);
  8541. if (val & (1<<5))
  8542. vars->link_status |=
  8543. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8544. bnx2x_cl45_read(bp, phy,
  8545. MDIO_AN_DEVAD,
  8546. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8547. &val);
  8548. if ((val & (1<<0)) == 0)
  8549. vars->link_status |=
  8550. LINK_STATUS_PARALLEL_DETECTION_USED;
  8551. }
  8552. }
  8553. if (link_up) {
  8554. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8555. vars->line_speed);
  8556. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8557. }
  8558. return link_up;
  8559. }
  8560. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8561. {
  8562. int status = 0;
  8563. u32 spirom_ver;
  8564. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8565. status = bnx2x_format_ver(spirom_ver, str, len);
  8566. return status;
  8567. }
  8568. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8569. struct link_params *params)
  8570. {
  8571. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8572. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8573. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8574. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8575. }
  8576. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8577. struct link_params *params)
  8578. {
  8579. bnx2x_cl45_write(params->bp, phy,
  8580. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8581. bnx2x_cl45_write(params->bp, phy,
  8582. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8583. }
  8584. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8585. struct link_params *params)
  8586. {
  8587. struct bnx2x *bp = params->bp;
  8588. u8 port;
  8589. u16 val16;
  8590. if (!(CHIP_IS_E1(bp)))
  8591. port = BP_PATH(bp);
  8592. else
  8593. port = params->port;
  8594. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8595. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8596. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8597. port);
  8598. } else {
  8599. bnx2x_cl45_read(bp, phy,
  8600. MDIO_CTL_DEVAD,
  8601. 0x400f, &val16);
  8602. /* Put to low power mode on newer FW */
  8603. if ((val16 & 0x303f) > 0x1009)
  8604. bnx2x_cl45_write(bp, phy,
  8605. MDIO_PMA_DEVAD,
  8606. MDIO_PMA_REG_CTRL, 0x800);
  8607. }
  8608. }
  8609. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8610. struct link_params *params, u8 mode)
  8611. {
  8612. struct bnx2x *bp = params->bp;
  8613. u16 val;
  8614. u8 port;
  8615. if (!(CHIP_IS_E1(bp)))
  8616. port = BP_PATH(bp);
  8617. else
  8618. port = params->port;
  8619. switch (mode) {
  8620. case LED_MODE_OFF:
  8621. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8622. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8623. SHARED_HW_CFG_LED_EXTPHY1) {
  8624. /* Set LED masks */
  8625. bnx2x_cl45_write(bp, phy,
  8626. MDIO_PMA_DEVAD,
  8627. MDIO_PMA_REG_8481_LED1_MASK,
  8628. 0x0);
  8629. bnx2x_cl45_write(bp, phy,
  8630. MDIO_PMA_DEVAD,
  8631. MDIO_PMA_REG_8481_LED2_MASK,
  8632. 0x0);
  8633. bnx2x_cl45_write(bp, phy,
  8634. MDIO_PMA_DEVAD,
  8635. MDIO_PMA_REG_8481_LED3_MASK,
  8636. 0x0);
  8637. bnx2x_cl45_write(bp, phy,
  8638. MDIO_PMA_DEVAD,
  8639. MDIO_PMA_REG_8481_LED5_MASK,
  8640. 0x0);
  8641. } else {
  8642. bnx2x_cl45_write(bp, phy,
  8643. MDIO_PMA_DEVAD,
  8644. MDIO_PMA_REG_8481_LED1_MASK,
  8645. 0x0);
  8646. }
  8647. break;
  8648. case LED_MODE_FRONT_PANEL_OFF:
  8649. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8650. port);
  8651. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8652. SHARED_HW_CFG_LED_EXTPHY1) {
  8653. /* Set LED masks */
  8654. bnx2x_cl45_write(bp, phy,
  8655. MDIO_PMA_DEVAD,
  8656. MDIO_PMA_REG_8481_LED1_MASK,
  8657. 0x0);
  8658. bnx2x_cl45_write(bp, phy,
  8659. MDIO_PMA_DEVAD,
  8660. MDIO_PMA_REG_8481_LED2_MASK,
  8661. 0x0);
  8662. bnx2x_cl45_write(bp, phy,
  8663. MDIO_PMA_DEVAD,
  8664. MDIO_PMA_REG_8481_LED3_MASK,
  8665. 0x0);
  8666. bnx2x_cl45_write(bp, phy,
  8667. MDIO_PMA_DEVAD,
  8668. MDIO_PMA_REG_8481_LED5_MASK,
  8669. 0x20);
  8670. } else {
  8671. bnx2x_cl45_write(bp, phy,
  8672. MDIO_PMA_DEVAD,
  8673. MDIO_PMA_REG_8481_LED1_MASK,
  8674. 0x0);
  8675. }
  8676. break;
  8677. case LED_MODE_ON:
  8678. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8679. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8680. SHARED_HW_CFG_LED_EXTPHY1) {
  8681. /* Set control reg */
  8682. bnx2x_cl45_read(bp, phy,
  8683. MDIO_PMA_DEVAD,
  8684. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8685. &val);
  8686. val &= 0x8000;
  8687. val |= 0x2492;
  8688. bnx2x_cl45_write(bp, phy,
  8689. MDIO_PMA_DEVAD,
  8690. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8691. val);
  8692. /* Set LED masks */
  8693. bnx2x_cl45_write(bp, phy,
  8694. MDIO_PMA_DEVAD,
  8695. MDIO_PMA_REG_8481_LED1_MASK,
  8696. 0x0);
  8697. bnx2x_cl45_write(bp, phy,
  8698. MDIO_PMA_DEVAD,
  8699. MDIO_PMA_REG_8481_LED2_MASK,
  8700. 0x20);
  8701. bnx2x_cl45_write(bp, phy,
  8702. MDIO_PMA_DEVAD,
  8703. MDIO_PMA_REG_8481_LED3_MASK,
  8704. 0x20);
  8705. bnx2x_cl45_write(bp, phy,
  8706. MDIO_PMA_DEVAD,
  8707. MDIO_PMA_REG_8481_LED5_MASK,
  8708. 0x0);
  8709. } else {
  8710. bnx2x_cl45_write(bp, phy,
  8711. MDIO_PMA_DEVAD,
  8712. MDIO_PMA_REG_8481_LED1_MASK,
  8713. 0x20);
  8714. }
  8715. break;
  8716. case LED_MODE_OPER:
  8717. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8718. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8719. SHARED_HW_CFG_LED_EXTPHY1) {
  8720. /* Set control reg */
  8721. bnx2x_cl45_read(bp, phy,
  8722. MDIO_PMA_DEVAD,
  8723. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8724. &val);
  8725. if (!((val &
  8726. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8727. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8728. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8729. bnx2x_cl45_write(bp, phy,
  8730. MDIO_PMA_DEVAD,
  8731. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8732. 0xa492);
  8733. }
  8734. /* Set LED masks */
  8735. bnx2x_cl45_write(bp, phy,
  8736. MDIO_PMA_DEVAD,
  8737. MDIO_PMA_REG_8481_LED1_MASK,
  8738. 0x10);
  8739. bnx2x_cl45_write(bp, phy,
  8740. MDIO_PMA_DEVAD,
  8741. MDIO_PMA_REG_8481_LED2_MASK,
  8742. 0x80);
  8743. bnx2x_cl45_write(bp, phy,
  8744. MDIO_PMA_DEVAD,
  8745. MDIO_PMA_REG_8481_LED3_MASK,
  8746. 0x98);
  8747. bnx2x_cl45_write(bp, phy,
  8748. MDIO_PMA_DEVAD,
  8749. MDIO_PMA_REG_8481_LED5_MASK,
  8750. 0x40);
  8751. } else {
  8752. bnx2x_cl45_write(bp, phy,
  8753. MDIO_PMA_DEVAD,
  8754. MDIO_PMA_REG_8481_LED1_MASK,
  8755. 0x80);
  8756. /* Tell LED3 to blink on source */
  8757. bnx2x_cl45_read(bp, phy,
  8758. MDIO_PMA_DEVAD,
  8759. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8760. &val);
  8761. val &= ~(7<<6);
  8762. val |= (1<<6); /* A83B[8:6]= 1 */
  8763. bnx2x_cl45_write(bp, phy,
  8764. MDIO_PMA_DEVAD,
  8765. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8766. val);
  8767. }
  8768. break;
  8769. }
  8770. /*
  8771. * This is a workaround for E3+84833 until autoneg
  8772. * restart is fixed in f/w
  8773. */
  8774. if (CHIP_IS_E3(bp)) {
  8775. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8776. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8777. }
  8778. }
  8779. /******************************************************************/
  8780. /* 54618SE PHY SECTION */
  8781. /******************************************************************/
  8782. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8783. struct link_params *params,
  8784. struct link_vars *vars)
  8785. {
  8786. struct bnx2x *bp = params->bp;
  8787. u8 port;
  8788. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8789. u32 cfg_pin;
  8790. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8791. usleep_range(1000, 1000);
  8792. /* This works with E3 only, no need to check the chip
  8793. before determining the port. */
  8794. port = params->port;
  8795. cfg_pin = (REG_RD(bp, params->shmem_base +
  8796. offsetof(struct shmem_region,
  8797. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8798. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8799. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8800. /* Drive pin high to bring the GPHY out of reset. */
  8801. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8802. /* wait for GPHY to reset */
  8803. msleep(50);
  8804. /* reset phy */
  8805. bnx2x_cl22_write(bp, phy,
  8806. MDIO_PMA_REG_CTRL, 0x8000);
  8807. bnx2x_wait_reset_complete(bp, phy, params);
  8808. /*wait for GPHY to reset */
  8809. msleep(50);
  8810. /* Configure LED4: set to INTR (0x6). */
  8811. /* Accessing shadow register 0xe. */
  8812. bnx2x_cl22_write(bp, phy,
  8813. MDIO_REG_GPHY_SHADOW,
  8814. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8815. bnx2x_cl22_read(bp, phy,
  8816. MDIO_REG_GPHY_SHADOW,
  8817. &temp);
  8818. temp &= ~(0xf << 4);
  8819. temp |= (0x6 << 4);
  8820. bnx2x_cl22_write(bp, phy,
  8821. MDIO_REG_GPHY_SHADOW,
  8822. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8823. /* Configure INTR based on link status change. */
  8824. bnx2x_cl22_write(bp, phy,
  8825. MDIO_REG_INTR_MASK,
  8826. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8827. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8828. bnx2x_cl22_write(bp, phy,
  8829. MDIO_REG_GPHY_SHADOW,
  8830. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8831. bnx2x_cl22_read(bp, phy,
  8832. MDIO_REG_GPHY_SHADOW,
  8833. &temp);
  8834. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8835. bnx2x_cl22_write(bp, phy,
  8836. MDIO_REG_GPHY_SHADOW,
  8837. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8838. /* Set up fc */
  8839. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8840. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8841. fc_val = 0;
  8842. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8843. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8844. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8845. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8846. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8847. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8848. /* read all advertisement */
  8849. bnx2x_cl22_read(bp, phy,
  8850. 0x09,
  8851. &an_1000_val);
  8852. bnx2x_cl22_read(bp, phy,
  8853. 0x04,
  8854. &an_10_100_val);
  8855. bnx2x_cl22_read(bp, phy,
  8856. MDIO_PMA_REG_CTRL,
  8857. &autoneg_val);
  8858. /* Disable forced speed */
  8859. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8860. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8861. (1<<11));
  8862. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8863. (phy->speed_cap_mask &
  8864. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8865. (phy->req_line_speed == SPEED_1000)) {
  8866. an_1000_val |= (1<<8);
  8867. autoneg_val |= (1<<9 | 1<<12);
  8868. if (phy->req_duplex == DUPLEX_FULL)
  8869. an_1000_val |= (1<<9);
  8870. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8871. } else
  8872. an_1000_val &= ~((1<<8) | (1<<9));
  8873. bnx2x_cl22_write(bp, phy,
  8874. 0x09,
  8875. an_1000_val);
  8876. bnx2x_cl22_read(bp, phy,
  8877. 0x09,
  8878. &an_1000_val);
  8879. /* set 100 speed advertisement */
  8880. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8881. (phy->speed_cap_mask &
  8882. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8883. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  8884. an_10_100_val |= (1<<7);
  8885. /* Enable autoneg and restart autoneg for legacy speeds */
  8886. autoneg_val |= (1<<9 | 1<<12);
  8887. if (phy->req_duplex == DUPLEX_FULL)
  8888. an_10_100_val |= (1<<8);
  8889. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8890. }
  8891. /* set 10 speed advertisement */
  8892. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8893. (phy->speed_cap_mask &
  8894. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8895. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  8896. an_10_100_val |= (1<<5);
  8897. autoneg_val |= (1<<9 | 1<<12);
  8898. if (phy->req_duplex == DUPLEX_FULL)
  8899. an_10_100_val |= (1<<6);
  8900. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8901. }
  8902. /* Only 10/100 are allowed to work in FORCE mode */
  8903. if (phy->req_line_speed == SPEED_100) {
  8904. autoneg_val |= (1<<13);
  8905. /* Enabled AUTO-MDIX when autoneg is disabled */
  8906. bnx2x_cl22_write(bp, phy,
  8907. 0x18,
  8908. (1<<15 | 1<<9 | 7<<0));
  8909. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8910. }
  8911. if (phy->req_line_speed == SPEED_10) {
  8912. /* Enabled AUTO-MDIX when autoneg is disabled */
  8913. bnx2x_cl22_write(bp, phy,
  8914. 0x18,
  8915. (1<<15 | 1<<9 | 7<<0));
  8916. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8917. }
  8918. /* Check if we should turn on Auto-GrEEEn */
  8919. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  8920. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  8921. if (params->feature_config_flags &
  8922. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8923. temp = 6;
  8924. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  8925. } else {
  8926. temp = 0;
  8927. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  8928. }
  8929. bnx2x_cl22_write(bp, phy,
  8930. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  8931. bnx2x_cl22_write(bp, phy,
  8932. MDIO_REG_GPHY_CL45_DATA_REG,
  8933. MDIO_REG_GPHY_EEE_ADV);
  8934. bnx2x_cl22_write(bp, phy,
  8935. MDIO_REG_GPHY_CL45_ADDR_REG,
  8936. (0x1 << 14) | MDIO_AN_DEVAD);
  8937. bnx2x_cl22_write(bp, phy,
  8938. MDIO_REG_GPHY_CL45_DATA_REG,
  8939. temp);
  8940. }
  8941. bnx2x_cl22_write(bp, phy,
  8942. 0x04,
  8943. an_10_100_val | fc_val);
  8944. if (phy->req_duplex == DUPLEX_FULL)
  8945. autoneg_val |= (1<<8);
  8946. bnx2x_cl22_write(bp, phy,
  8947. MDIO_PMA_REG_CTRL, autoneg_val);
  8948. return 0;
  8949. }
  8950. static void bnx2x_54618se_set_link_led(struct bnx2x_phy *phy,
  8951. struct link_params *params, u8 mode)
  8952. {
  8953. struct bnx2x *bp = params->bp;
  8954. DP(NETIF_MSG_LINK, "54618SE set link led (mode=%x)\n", mode);
  8955. switch (mode) {
  8956. case LED_MODE_FRONT_PANEL_OFF:
  8957. case LED_MODE_OFF:
  8958. case LED_MODE_OPER:
  8959. case LED_MODE_ON:
  8960. default:
  8961. break;
  8962. }
  8963. return;
  8964. }
  8965. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  8966. struct link_params *params)
  8967. {
  8968. struct bnx2x *bp = params->bp;
  8969. u32 cfg_pin;
  8970. u8 port;
  8971. /* This works with E3 only, no need to check the chip
  8972. before determining the port. */
  8973. port = params->port;
  8974. cfg_pin = (REG_RD(bp, params->shmem_base +
  8975. offsetof(struct shmem_region,
  8976. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8977. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8978. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8979. /* Drive pin low to put GPHY in reset. */
  8980. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  8981. }
  8982. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  8983. struct link_params *params,
  8984. struct link_vars *vars)
  8985. {
  8986. struct bnx2x *bp = params->bp;
  8987. u16 val;
  8988. u8 link_up = 0;
  8989. u16 legacy_status, legacy_speed;
  8990. /* Get speed operation status */
  8991. bnx2x_cl22_read(bp, phy,
  8992. 0x19,
  8993. &legacy_status);
  8994. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  8995. /* Read status to clear the PHY interrupt. */
  8996. bnx2x_cl22_read(bp, phy,
  8997. MDIO_REG_INTR_STATUS,
  8998. &val);
  8999. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9000. if (link_up) {
  9001. legacy_speed = (legacy_status & (7<<8));
  9002. if (legacy_speed == (7<<8)) {
  9003. vars->line_speed = SPEED_1000;
  9004. vars->duplex = DUPLEX_FULL;
  9005. } else if (legacy_speed == (6<<8)) {
  9006. vars->line_speed = SPEED_1000;
  9007. vars->duplex = DUPLEX_HALF;
  9008. } else if (legacy_speed == (5<<8)) {
  9009. vars->line_speed = SPEED_100;
  9010. vars->duplex = DUPLEX_FULL;
  9011. }
  9012. /* Omitting 100Base-T4 for now */
  9013. else if (legacy_speed == (3<<8)) {
  9014. vars->line_speed = SPEED_100;
  9015. vars->duplex = DUPLEX_HALF;
  9016. } else if (legacy_speed == (2<<8)) {
  9017. vars->line_speed = SPEED_10;
  9018. vars->duplex = DUPLEX_FULL;
  9019. } else if (legacy_speed == (1<<8)) {
  9020. vars->line_speed = SPEED_10;
  9021. vars->duplex = DUPLEX_HALF;
  9022. } else /* Should not happen */
  9023. vars->line_speed = 0;
  9024. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  9025. " is_duplex_full= %d\n", vars->line_speed,
  9026. (vars->duplex == DUPLEX_FULL));
  9027. /* Check legacy speed AN resolution */
  9028. bnx2x_cl22_read(bp, phy,
  9029. 0x01,
  9030. &val);
  9031. if (val & (1<<5))
  9032. vars->link_status |=
  9033. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9034. bnx2x_cl22_read(bp, phy,
  9035. 0x06,
  9036. &val);
  9037. if ((val & (1<<0)) == 0)
  9038. vars->link_status |=
  9039. LINK_STATUS_PARALLEL_DETECTION_USED;
  9040. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9041. vars->line_speed);
  9042. /* Report whether EEE is resolved. */
  9043. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9044. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9045. if (vars->link_status &
  9046. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9047. val = 0;
  9048. else {
  9049. bnx2x_cl22_write(bp, phy,
  9050. MDIO_REG_GPHY_CL45_ADDR_REG,
  9051. MDIO_AN_DEVAD);
  9052. bnx2x_cl22_write(bp, phy,
  9053. MDIO_REG_GPHY_CL45_DATA_REG,
  9054. MDIO_REG_GPHY_EEE_RESOLVED);
  9055. bnx2x_cl22_write(bp, phy,
  9056. MDIO_REG_GPHY_CL45_ADDR_REG,
  9057. (0x1 << 14) | MDIO_AN_DEVAD);
  9058. bnx2x_cl22_read(bp, phy,
  9059. MDIO_REG_GPHY_CL45_DATA_REG,
  9060. &val);
  9061. }
  9062. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9063. }
  9064. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9065. }
  9066. return link_up;
  9067. }
  9068. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9069. struct link_params *params)
  9070. {
  9071. struct bnx2x *bp = params->bp;
  9072. u16 val;
  9073. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9074. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9075. /* Enable master/slave manual mmode and set to master */
  9076. /* mii write 9 [bits set 11 12] */
  9077. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9078. /* forced 1G and disable autoneg */
  9079. /* set val [mii read 0] */
  9080. /* set val [expr $val & [bits clear 6 12 13]] */
  9081. /* set val [expr $val | [bits set 6 8]] */
  9082. /* mii write 0 $val */
  9083. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9084. val &= ~((1<<6) | (1<<12) | (1<<13));
  9085. val |= (1<<6) | (1<<8);
  9086. bnx2x_cl22_write(bp, phy, 0x00, val);
  9087. /* Set external loopback and Tx using 6dB coding */
  9088. /* mii write 0x18 7 */
  9089. /* set val [mii read 0x18] */
  9090. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9091. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9092. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9093. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9094. /* This register opens the gate for the UMAC despite its name */
  9095. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9096. /*
  9097. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9098. * length used by the MAC receive logic to check frames.
  9099. */
  9100. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9101. }
  9102. /******************************************************************/
  9103. /* SFX7101 PHY SECTION */
  9104. /******************************************************************/
  9105. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9106. struct link_params *params)
  9107. {
  9108. struct bnx2x *bp = params->bp;
  9109. /* SFX7101_XGXS_TEST1 */
  9110. bnx2x_cl45_write(bp, phy,
  9111. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9112. }
  9113. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9114. struct link_params *params,
  9115. struct link_vars *vars)
  9116. {
  9117. u16 fw_ver1, fw_ver2, val;
  9118. struct bnx2x *bp = params->bp;
  9119. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9120. /* Restore normal power mode*/
  9121. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9122. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9123. /* HW reset */
  9124. bnx2x_ext_phy_hw_reset(bp, params->port);
  9125. bnx2x_wait_reset_complete(bp, phy, params);
  9126. bnx2x_cl45_write(bp, phy,
  9127. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9128. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9129. bnx2x_cl45_write(bp, phy,
  9130. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9131. bnx2x_ext_phy_set_pause(params, phy, vars);
  9132. /* Restart autoneg */
  9133. bnx2x_cl45_read(bp, phy,
  9134. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9135. val |= 0x200;
  9136. bnx2x_cl45_write(bp, phy,
  9137. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9138. /* Save spirom version */
  9139. bnx2x_cl45_read(bp, phy,
  9140. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9141. bnx2x_cl45_read(bp, phy,
  9142. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9143. bnx2x_save_spirom_version(bp, params->port,
  9144. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9145. return 0;
  9146. }
  9147. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9148. struct link_params *params,
  9149. struct link_vars *vars)
  9150. {
  9151. struct bnx2x *bp = params->bp;
  9152. u8 link_up;
  9153. u16 val1, val2;
  9154. bnx2x_cl45_read(bp, phy,
  9155. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9156. bnx2x_cl45_read(bp, phy,
  9157. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9158. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9159. val2, val1);
  9160. bnx2x_cl45_read(bp, phy,
  9161. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9162. bnx2x_cl45_read(bp, phy,
  9163. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9164. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9165. val2, val1);
  9166. link_up = ((val1 & 4) == 4);
  9167. /* if link is up print the AN outcome of the SFX7101 PHY */
  9168. if (link_up) {
  9169. bnx2x_cl45_read(bp, phy,
  9170. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9171. &val2);
  9172. vars->line_speed = SPEED_10000;
  9173. vars->duplex = DUPLEX_FULL;
  9174. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9175. val2, (val2 & (1<<14)));
  9176. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9177. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9178. }
  9179. return link_up;
  9180. }
  9181. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9182. {
  9183. if (*len < 5)
  9184. return -EINVAL;
  9185. str[0] = (spirom_ver & 0xFF);
  9186. str[1] = (spirom_ver & 0xFF00) >> 8;
  9187. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9188. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9189. str[4] = '\0';
  9190. *len -= 5;
  9191. return 0;
  9192. }
  9193. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9194. {
  9195. u16 val, cnt;
  9196. bnx2x_cl45_read(bp, phy,
  9197. MDIO_PMA_DEVAD,
  9198. MDIO_PMA_REG_7101_RESET, &val);
  9199. for (cnt = 0; cnt < 10; cnt++) {
  9200. msleep(50);
  9201. /* Writes a self-clearing reset */
  9202. bnx2x_cl45_write(bp, phy,
  9203. MDIO_PMA_DEVAD,
  9204. MDIO_PMA_REG_7101_RESET,
  9205. (val | (1<<15)));
  9206. /* Wait for clear */
  9207. bnx2x_cl45_read(bp, phy,
  9208. MDIO_PMA_DEVAD,
  9209. MDIO_PMA_REG_7101_RESET, &val);
  9210. if ((val & (1<<15)) == 0)
  9211. break;
  9212. }
  9213. }
  9214. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9215. struct link_params *params) {
  9216. /* Low power mode is controlled by GPIO 2 */
  9217. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9218. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9219. /* The PHY reset is controlled by GPIO 1 */
  9220. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9221. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9222. }
  9223. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9224. struct link_params *params, u8 mode)
  9225. {
  9226. u16 val = 0;
  9227. struct bnx2x *bp = params->bp;
  9228. switch (mode) {
  9229. case LED_MODE_FRONT_PANEL_OFF:
  9230. case LED_MODE_OFF:
  9231. val = 2;
  9232. break;
  9233. case LED_MODE_ON:
  9234. val = 1;
  9235. break;
  9236. case LED_MODE_OPER:
  9237. val = 0;
  9238. break;
  9239. }
  9240. bnx2x_cl45_write(bp, phy,
  9241. MDIO_PMA_DEVAD,
  9242. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9243. val);
  9244. }
  9245. /******************************************************************/
  9246. /* STATIC PHY DECLARATION */
  9247. /******************************************************************/
  9248. static struct bnx2x_phy phy_null = {
  9249. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9250. .addr = 0,
  9251. .def_md_devad = 0,
  9252. .flags = FLAGS_INIT_XGXS_FIRST,
  9253. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9254. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9255. .mdio_ctrl = 0,
  9256. .supported = 0,
  9257. .media_type = ETH_PHY_NOT_PRESENT,
  9258. .ver_addr = 0,
  9259. .req_flow_ctrl = 0,
  9260. .req_line_speed = 0,
  9261. .speed_cap_mask = 0,
  9262. .req_duplex = 0,
  9263. .rsrv = 0,
  9264. .config_init = (config_init_t)NULL,
  9265. .read_status = (read_status_t)NULL,
  9266. .link_reset = (link_reset_t)NULL,
  9267. .config_loopback = (config_loopback_t)NULL,
  9268. .format_fw_ver = (format_fw_ver_t)NULL,
  9269. .hw_reset = (hw_reset_t)NULL,
  9270. .set_link_led = (set_link_led_t)NULL,
  9271. .phy_specific_func = (phy_specific_func_t)NULL
  9272. };
  9273. static struct bnx2x_phy phy_serdes = {
  9274. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9275. .addr = 0xff,
  9276. .def_md_devad = 0,
  9277. .flags = 0,
  9278. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9279. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9280. .mdio_ctrl = 0,
  9281. .supported = (SUPPORTED_10baseT_Half |
  9282. SUPPORTED_10baseT_Full |
  9283. SUPPORTED_100baseT_Half |
  9284. SUPPORTED_100baseT_Full |
  9285. SUPPORTED_1000baseT_Full |
  9286. SUPPORTED_2500baseX_Full |
  9287. SUPPORTED_TP |
  9288. SUPPORTED_Autoneg |
  9289. SUPPORTED_Pause |
  9290. SUPPORTED_Asym_Pause),
  9291. .media_type = ETH_PHY_BASE_T,
  9292. .ver_addr = 0,
  9293. .req_flow_ctrl = 0,
  9294. .req_line_speed = 0,
  9295. .speed_cap_mask = 0,
  9296. .req_duplex = 0,
  9297. .rsrv = 0,
  9298. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9299. .read_status = (read_status_t)bnx2x_link_settings_status,
  9300. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9301. .config_loopback = (config_loopback_t)NULL,
  9302. .format_fw_ver = (format_fw_ver_t)NULL,
  9303. .hw_reset = (hw_reset_t)NULL,
  9304. .set_link_led = (set_link_led_t)NULL,
  9305. .phy_specific_func = (phy_specific_func_t)NULL
  9306. };
  9307. static struct bnx2x_phy phy_xgxs = {
  9308. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9309. .addr = 0xff,
  9310. .def_md_devad = 0,
  9311. .flags = 0,
  9312. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9313. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9314. .mdio_ctrl = 0,
  9315. .supported = (SUPPORTED_10baseT_Half |
  9316. SUPPORTED_10baseT_Full |
  9317. SUPPORTED_100baseT_Half |
  9318. SUPPORTED_100baseT_Full |
  9319. SUPPORTED_1000baseT_Full |
  9320. SUPPORTED_2500baseX_Full |
  9321. SUPPORTED_10000baseT_Full |
  9322. SUPPORTED_FIBRE |
  9323. SUPPORTED_Autoneg |
  9324. SUPPORTED_Pause |
  9325. SUPPORTED_Asym_Pause),
  9326. .media_type = ETH_PHY_CX4,
  9327. .ver_addr = 0,
  9328. .req_flow_ctrl = 0,
  9329. .req_line_speed = 0,
  9330. .speed_cap_mask = 0,
  9331. .req_duplex = 0,
  9332. .rsrv = 0,
  9333. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9334. .read_status = (read_status_t)bnx2x_link_settings_status,
  9335. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9336. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9337. .format_fw_ver = (format_fw_ver_t)NULL,
  9338. .hw_reset = (hw_reset_t)NULL,
  9339. .set_link_led = (set_link_led_t)NULL,
  9340. .phy_specific_func = (phy_specific_func_t)NULL
  9341. };
  9342. static struct bnx2x_phy phy_warpcore = {
  9343. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9344. .addr = 0xff,
  9345. .def_md_devad = 0,
  9346. .flags = FLAGS_HW_LOCK_REQUIRED,
  9347. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9348. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9349. .mdio_ctrl = 0,
  9350. .supported = (SUPPORTED_10baseT_Half |
  9351. SUPPORTED_10baseT_Full |
  9352. SUPPORTED_100baseT_Half |
  9353. SUPPORTED_100baseT_Full |
  9354. SUPPORTED_1000baseT_Full |
  9355. SUPPORTED_10000baseT_Full |
  9356. SUPPORTED_20000baseKR2_Full |
  9357. SUPPORTED_20000baseMLD2_Full |
  9358. SUPPORTED_FIBRE |
  9359. SUPPORTED_Autoneg |
  9360. SUPPORTED_Pause |
  9361. SUPPORTED_Asym_Pause),
  9362. .media_type = ETH_PHY_UNSPECIFIED,
  9363. .ver_addr = 0,
  9364. .req_flow_ctrl = 0,
  9365. .req_line_speed = 0,
  9366. .speed_cap_mask = 0,
  9367. /* req_duplex = */0,
  9368. /* rsrv = */0,
  9369. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9370. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9371. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9372. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9373. .format_fw_ver = (format_fw_ver_t)NULL,
  9374. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9375. .set_link_led = (set_link_led_t)NULL,
  9376. .phy_specific_func = (phy_specific_func_t)NULL
  9377. };
  9378. static struct bnx2x_phy phy_7101 = {
  9379. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9380. .addr = 0xff,
  9381. .def_md_devad = 0,
  9382. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9383. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9384. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9385. .mdio_ctrl = 0,
  9386. .supported = (SUPPORTED_10000baseT_Full |
  9387. SUPPORTED_TP |
  9388. SUPPORTED_Autoneg |
  9389. SUPPORTED_Pause |
  9390. SUPPORTED_Asym_Pause),
  9391. .media_type = ETH_PHY_BASE_T,
  9392. .ver_addr = 0,
  9393. .req_flow_ctrl = 0,
  9394. .req_line_speed = 0,
  9395. .speed_cap_mask = 0,
  9396. .req_duplex = 0,
  9397. .rsrv = 0,
  9398. .config_init = (config_init_t)bnx2x_7101_config_init,
  9399. .read_status = (read_status_t)bnx2x_7101_read_status,
  9400. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9401. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9402. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9403. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9404. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9405. .phy_specific_func = (phy_specific_func_t)NULL
  9406. };
  9407. static struct bnx2x_phy phy_8073 = {
  9408. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9409. .addr = 0xff,
  9410. .def_md_devad = 0,
  9411. .flags = FLAGS_HW_LOCK_REQUIRED,
  9412. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9413. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9414. .mdio_ctrl = 0,
  9415. .supported = (SUPPORTED_10000baseT_Full |
  9416. SUPPORTED_2500baseX_Full |
  9417. SUPPORTED_1000baseT_Full |
  9418. SUPPORTED_FIBRE |
  9419. SUPPORTED_Autoneg |
  9420. SUPPORTED_Pause |
  9421. SUPPORTED_Asym_Pause),
  9422. .media_type = ETH_PHY_KR,
  9423. .ver_addr = 0,
  9424. .req_flow_ctrl = 0,
  9425. .req_line_speed = 0,
  9426. .speed_cap_mask = 0,
  9427. .req_duplex = 0,
  9428. .rsrv = 0,
  9429. .config_init = (config_init_t)bnx2x_8073_config_init,
  9430. .read_status = (read_status_t)bnx2x_8073_read_status,
  9431. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9432. .config_loopback = (config_loopback_t)NULL,
  9433. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9434. .hw_reset = (hw_reset_t)NULL,
  9435. .set_link_led = (set_link_led_t)NULL,
  9436. .phy_specific_func = (phy_specific_func_t)NULL
  9437. };
  9438. static struct bnx2x_phy phy_8705 = {
  9439. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9440. .addr = 0xff,
  9441. .def_md_devad = 0,
  9442. .flags = FLAGS_INIT_XGXS_FIRST,
  9443. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9444. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9445. .mdio_ctrl = 0,
  9446. .supported = (SUPPORTED_10000baseT_Full |
  9447. SUPPORTED_FIBRE |
  9448. SUPPORTED_Pause |
  9449. SUPPORTED_Asym_Pause),
  9450. .media_type = ETH_PHY_XFP_FIBER,
  9451. .ver_addr = 0,
  9452. .req_flow_ctrl = 0,
  9453. .req_line_speed = 0,
  9454. .speed_cap_mask = 0,
  9455. .req_duplex = 0,
  9456. .rsrv = 0,
  9457. .config_init = (config_init_t)bnx2x_8705_config_init,
  9458. .read_status = (read_status_t)bnx2x_8705_read_status,
  9459. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9460. .config_loopback = (config_loopback_t)NULL,
  9461. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9462. .hw_reset = (hw_reset_t)NULL,
  9463. .set_link_led = (set_link_led_t)NULL,
  9464. .phy_specific_func = (phy_specific_func_t)NULL
  9465. };
  9466. static struct bnx2x_phy phy_8706 = {
  9467. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9468. .addr = 0xff,
  9469. .def_md_devad = 0,
  9470. .flags = FLAGS_INIT_XGXS_FIRST,
  9471. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9472. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9473. .mdio_ctrl = 0,
  9474. .supported = (SUPPORTED_10000baseT_Full |
  9475. SUPPORTED_1000baseT_Full |
  9476. SUPPORTED_FIBRE |
  9477. SUPPORTED_Pause |
  9478. SUPPORTED_Asym_Pause),
  9479. .media_type = ETH_PHY_SFP_FIBER,
  9480. .ver_addr = 0,
  9481. .req_flow_ctrl = 0,
  9482. .req_line_speed = 0,
  9483. .speed_cap_mask = 0,
  9484. .req_duplex = 0,
  9485. .rsrv = 0,
  9486. .config_init = (config_init_t)bnx2x_8706_config_init,
  9487. .read_status = (read_status_t)bnx2x_8706_read_status,
  9488. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9489. .config_loopback = (config_loopback_t)NULL,
  9490. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9491. .hw_reset = (hw_reset_t)NULL,
  9492. .set_link_led = (set_link_led_t)NULL,
  9493. .phy_specific_func = (phy_specific_func_t)NULL
  9494. };
  9495. static struct bnx2x_phy phy_8726 = {
  9496. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9497. .addr = 0xff,
  9498. .def_md_devad = 0,
  9499. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9500. FLAGS_INIT_XGXS_FIRST),
  9501. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9502. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9503. .mdio_ctrl = 0,
  9504. .supported = (SUPPORTED_10000baseT_Full |
  9505. SUPPORTED_1000baseT_Full |
  9506. SUPPORTED_Autoneg |
  9507. SUPPORTED_FIBRE |
  9508. SUPPORTED_Pause |
  9509. SUPPORTED_Asym_Pause),
  9510. .media_type = ETH_PHY_NOT_PRESENT,
  9511. .ver_addr = 0,
  9512. .req_flow_ctrl = 0,
  9513. .req_line_speed = 0,
  9514. .speed_cap_mask = 0,
  9515. .req_duplex = 0,
  9516. .rsrv = 0,
  9517. .config_init = (config_init_t)bnx2x_8726_config_init,
  9518. .read_status = (read_status_t)bnx2x_8726_read_status,
  9519. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9520. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9521. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9522. .hw_reset = (hw_reset_t)NULL,
  9523. .set_link_led = (set_link_led_t)NULL,
  9524. .phy_specific_func = (phy_specific_func_t)NULL
  9525. };
  9526. static struct bnx2x_phy phy_8727 = {
  9527. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9528. .addr = 0xff,
  9529. .def_md_devad = 0,
  9530. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9531. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9532. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9533. .mdio_ctrl = 0,
  9534. .supported = (SUPPORTED_10000baseT_Full |
  9535. SUPPORTED_1000baseT_Full |
  9536. SUPPORTED_FIBRE |
  9537. SUPPORTED_Pause |
  9538. SUPPORTED_Asym_Pause),
  9539. .media_type = ETH_PHY_NOT_PRESENT,
  9540. .ver_addr = 0,
  9541. .req_flow_ctrl = 0,
  9542. .req_line_speed = 0,
  9543. .speed_cap_mask = 0,
  9544. .req_duplex = 0,
  9545. .rsrv = 0,
  9546. .config_init = (config_init_t)bnx2x_8727_config_init,
  9547. .read_status = (read_status_t)bnx2x_8727_read_status,
  9548. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9549. .config_loopback = (config_loopback_t)NULL,
  9550. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9551. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9552. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9553. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9554. };
  9555. static struct bnx2x_phy phy_8481 = {
  9556. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9557. .addr = 0xff,
  9558. .def_md_devad = 0,
  9559. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9560. FLAGS_REARM_LATCH_SIGNAL,
  9561. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9562. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9563. .mdio_ctrl = 0,
  9564. .supported = (SUPPORTED_10baseT_Half |
  9565. SUPPORTED_10baseT_Full |
  9566. SUPPORTED_100baseT_Half |
  9567. SUPPORTED_100baseT_Full |
  9568. SUPPORTED_1000baseT_Full |
  9569. SUPPORTED_10000baseT_Full |
  9570. SUPPORTED_TP |
  9571. SUPPORTED_Autoneg |
  9572. SUPPORTED_Pause |
  9573. SUPPORTED_Asym_Pause),
  9574. .media_type = ETH_PHY_BASE_T,
  9575. .ver_addr = 0,
  9576. .req_flow_ctrl = 0,
  9577. .req_line_speed = 0,
  9578. .speed_cap_mask = 0,
  9579. .req_duplex = 0,
  9580. .rsrv = 0,
  9581. .config_init = (config_init_t)bnx2x_8481_config_init,
  9582. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9583. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9584. .config_loopback = (config_loopback_t)NULL,
  9585. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9586. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9587. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9588. .phy_specific_func = (phy_specific_func_t)NULL
  9589. };
  9590. static struct bnx2x_phy phy_84823 = {
  9591. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9592. .addr = 0xff,
  9593. .def_md_devad = 0,
  9594. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9595. FLAGS_REARM_LATCH_SIGNAL,
  9596. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9597. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9598. .mdio_ctrl = 0,
  9599. .supported = (SUPPORTED_10baseT_Half |
  9600. SUPPORTED_10baseT_Full |
  9601. SUPPORTED_100baseT_Half |
  9602. SUPPORTED_100baseT_Full |
  9603. SUPPORTED_1000baseT_Full |
  9604. SUPPORTED_10000baseT_Full |
  9605. SUPPORTED_TP |
  9606. SUPPORTED_Autoneg |
  9607. SUPPORTED_Pause |
  9608. SUPPORTED_Asym_Pause),
  9609. .media_type = ETH_PHY_BASE_T,
  9610. .ver_addr = 0,
  9611. .req_flow_ctrl = 0,
  9612. .req_line_speed = 0,
  9613. .speed_cap_mask = 0,
  9614. .req_duplex = 0,
  9615. .rsrv = 0,
  9616. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9617. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9618. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9619. .config_loopback = (config_loopback_t)NULL,
  9620. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9621. .hw_reset = (hw_reset_t)NULL,
  9622. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9623. .phy_specific_func = (phy_specific_func_t)NULL
  9624. };
  9625. static struct bnx2x_phy phy_84833 = {
  9626. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9627. .addr = 0xff,
  9628. .def_md_devad = 0,
  9629. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9630. FLAGS_REARM_LATCH_SIGNAL,
  9631. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9632. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9633. .mdio_ctrl = 0,
  9634. .supported = (SUPPORTED_100baseT_Half |
  9635. SUPPORTED_100baseT_Full |
  9636. SUPPORTED_1000baseT_Full |
  9637. SUPPORTED_10000baseT_Full |
  9638. SUPPORTED_TP |
  9639. SUPPORTED_Autoneg |
  9640. SUPPORTED_Pause |
  9641. SUPPORTED_Asym_Pause),
  9642. .media_type = ETH_PHY_BASE_T,
  9643. .ver_addr = 0,
  9644. .req_flow_ctrl = 0,
  9645. .req_line_speed = 0,
  9646. .speed_cap_mask = 0,
  9647. .req_duplex = 0,
  9648. .rsrv = 0,
  9649. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9650. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9651. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9652. .config_loopback = (config_loopback_t)NULL,
  9653. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9654. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9655. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9656. .phy_specific_func = (phy_specific_func_t)NULL
  9657. };
  9658. static struct bnx2x_phy phy_54618se = {
  9659. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9660. .addr = 0xff,
  9661. .def_md_devad = 0,
  9662. .flags = FLAGS_INIT_XGXS_FIRST,
  9663. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9664. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9665. .mdio_ctrl = 0,
  9666. .supported = (SUPPORTED_10baseT_Half |
  9667. SUPPORTED_10baseT_Full |
  9668. SUPPORTED_100baseT_Half |
  9669. SUPPORTED_100baseT_Full |
  9670. SUPPORTED_1000baseT_Full |
  9671. SUPPORTED_TP |
  9672. SUPPORTED_Autoneg |
  9673. SUPPORTED_Pause |
  9674. SUPPORTED_Asym_Pause),
  9675. .media_type = ETH_PHY_BASE_T,
  9676. .ver_addr = 0,
  9677. .req_flow_ctrl = 0,
  9678. .req_line_speed = 0,
  9679. .speed_cap_mask = 0,
  9680. /* req_duplex = */0,
  9681. /* rsrv = */0,
  9682. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9683. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9684. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9685. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9686. .format_fw_ver = (format_fw_ver_t)NULL,
  9687. .hw_reset = (hw_reset_t)NULL,
  9688. .set_link_led = (set_link_led_t)bnx2x_54618se_set_link_led,
  9689. .phy_specific_func = (phy_specific_func_t)NULL
  9690. };
  9691. /*****************************************************************/
  9692. /* */
  9693. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9694. /* */
  9695. /*****************************************************************/
  9696. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9697. struct bnx2x_phy *phy, u8 port,
  9698. u8 phy_index)
  9699. {
  9700. /* Get the 4 lanes xgxs config rx and tx */
  9701. u32 rx = 0, tx = 0, i;
  9702. for (i = 0; i < 2; i++) {
  9703. /*
  9704. * INT_PHY and EXT_PHY1 share the same value location in the
  9705. * shmem. When num_phys is greater than 1, than this value
  9706. * applies only to EXT_PHY1
  9707. */
  9708. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9709. rx = REG_RD(bp, shmem_base +
  9710. offsetof(struct shmem_region,
  9711. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9712. tx = REG_RD(bp, shmem_base +
  9713. offsetof(struct shmem_region,
  9714. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9715. } else {
  9716. rx = REG_RD(bp, shmem_base +
  9717. offsetof(struct shmem_region,
  9718. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9719. tx = REG_RD(bp, shmem_base +
  9720. offsetof(struct shmem_region,
  9721. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9722. }
  9723. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9724. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9725. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9726. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9727. }
  9728. }
  9729. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9730. u8 phy_index, u8 port)
  9731. {
  9732. u32 ext_phy_config = 0;
  9733. switch (phy_index) {
  9734. case EXT_PHY1:
  9735. ext_phy_config = REG_RD(bp, shmem_base +
  9736. offsetof(struct shmem_region,
  9737. dev_info.port_hw_config[port].external_phy_config));
  9738. break;
  9739. case EXT_PHY2:
  9740. ext_phy_config = REG_RD(bp, shmem_base +
  9741. offsetof(struct shmem_region,
  9742. dev_info.port_hw_config[port].external_phy_config2));
  9743. break;
  9744. default:
  9745. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9746. return -EINVAL;
  9747. }
  9748. return ext_phy_config;
  9749. }
  9750. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9751. struct bnx2x_phy *phy)
  9752. {
  9753. u32 phy_addr;
  9754. u32 chip_id;
  9755. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9756. offsetof(struct shmem_region,
  9757. dev_info.port_feature_config[port].link_config)) &
  9758. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9759. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9760. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9761. if (USES_WARPCORE(bp)) {
  9762. u32 serdes_net_if;
  9763. phy_addr = REG_RD(bp,
  9764. MISC_REG_WC0_CTRL_PHY_ADDR);
  9765. *phy = phy_warpcore;
  9766. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9767. phy->flags |= FLAGS_4_PORT_MODE;
  9768. else
  9769. phy->flags &= ~FLAGS_4_PORT_MODE;
  9770. /* Check Dual mode */
  9771. serdes_net_if = (REG_RD(bp, shmem_base +
  9772. offsetof(struct shmem_region, dev_info.
  9773. port_hw_config[port].default_cfg)) &
  9774. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9775. /*
  9776. * Set the appropriate supported and flags indications per
  9777. * interface type of the chip
  9778. */
  9779. switch (serdes_net_if) {
  9780. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9781. phy->supported &= (SUPPORTED_10baseT_Half |
  9782. SUPPORTED_10baseT_Full |
  9783. SUPPORTED_100baseT_Half |
  9784. SUPPORTED_100baseT_Full |
  9785. SUPPORTED_1000baseT_Full |
  9786. SUPPORTED_FIBRE |
  9787. SUPPORTED_Autoneg |
  9788. SUPPORTED_Pause |
  9789. SUPPORTED_Asym_Pause);
  9790. phy->media_type = ETH_PHY_BASE_T;
  9791. break;
  9792. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9793. phy->media_type = ETH_PHY_XFP_FIBER;
  9794. break;
  9795. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9796. phy->supported &= (SUPPORTED_1000baseT_Full |
  9797. SUPPORTED_10000baseT_Full |
  9798. SUPPORTED_FIBRE |
  9799. SUPPORTED_Pause |
  9800. SUPPORTED_Asym_Pause);
  9801. phy->media_type = ETH_PHY_SFP_FIBER;
  9802. break;
  9803. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9804. phy->media_type = ETH_PHY_KR;
  9805. phy->supported &= (SUPPORTED_1000baseT_Full |
  9806. SUPPORTED_10000baseT_Full |
  9807. SUPPORTED_FIBRE |
  9808. SUPPORTED_Autoneg |
  9809. SUPPORTED_Pause |
  9810. SUPPORTED_Asym_Pause);
  9811. break;
  9812. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9813. phy->media_type = ETH_PHY_KR;
  9814. phy->flags |= FLAGS_WC_DUAL_MODE;
  9815. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9816. SUPPORTED_FIBRE |
  9817. SUPPORTED_Pause |
  9818. SUPPORTED_Asym_Pause);
  9819. break;
  9820. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9821. phy->media_type = ETH_PHY_KR;
  9822. phy->flags |= FLAGS_WC_DUAL_MODE;
  9823. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9824. SUPPORTED_FIBRE |
  9825. SUPPORTED_Pause |
  9826. SUPPORTED_Asym_Pause);
  9827. break;
  9828. default:
  9829. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9830. serdes_net_if);
  9831. break;
  9832. }
  9833. /*
  9834. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9835. * was not set as expected. For B0, ECO will be enabled so there
  9836. * won't be an issue there
  9837. */
  9838. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9839. phy->flags |= FLAGS_MDC_MDIO_WA;
  9840. } else {
  9841. switch (switch_cfg) {
  9842. case SWITCH_CFG_1G:
  9843. phy_addr = REG_RD(bp,
  9844. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9845. port * 0x10);
  9846. *phy = phy_serdes;
  9847. break;
  9848. case SWITCH_CFG_10G:
  9849. phy_addr = REG_RD(bp,
  9850. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9851. port * 0x18);
  9852. *phy = phy_xgxs;
  9853. break;
  9854. default:
  9855. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9856. return -EINVAL;
  9857. }
  9858. }
  9859. phy->addr = (u8)phy_addr;
  9860. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9861. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9862. port);
  9863. if (CHIP_IS_E2(bp))
  9864. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9865. else
  9866. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  9867. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  9868. port, phy->addr, phy->mdio_ctrl);
  9869. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  9870. return 0;
  9871. }
  9872. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  9873. u8 phy_index,
  9874. u32 shmem_base,
  9875. u32 shmem2_base,
  9876. u8 port,
  9877. struct bnx2x_phy *phy)
  9878. {
  9879. u32 ext_phy_config, phy_type, config2;
  9880. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  9881. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  9882. phy_index, port);
  9883. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  9884. /* Select the phy type */
  9885. switch (phy_type) {
  9886. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  9887. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  9888. *phy = phy_8073;
  9889. break;
  9890. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  9891. *phy = phy_8705;
  9892. break;
  9893. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  9894. *phy = phy_8706;
  9895. break;
  9896. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  9897. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9898. *phy = phy_8726;
  9899. break;
  9900. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  9901. /* BCM8727_NOC => BCM8727 no over current */
  9902. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9903. *phy = phy_8727;
  9904. phy->flags |= FLAGS_NOC;
  9905. break;
  9906. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  9907. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  9908. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  9909. *phy = phy_8727;
  9910. break;
  9911. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  9912. *phy = phy_8481;
  9913. break;
  9914. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  9915. *phy = phy_84823;
  9916. break;
  9917. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  9918. *phy = phy_84833;
  9919. break;
  9920. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  9921. *phy = phy_54618se;
  9922. break;
  9923. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  9924. *phy = phy_7101;
  9925. break;
  9926. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  9927. *phy = phy_null;
  9928. return -EINVAL;
  9929. default:
  9930. *phy = phy_null;
  9931. return 0;
  9932. }
  9933. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  9934. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  9935. /*
  9936. * The shmem address of the phy version is located on different
  9937. * structures. In case this structure is too old, do not set
  9938. * the address
  9939. */
  9940. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  9941. dev_info.shared_hw_config.config2));
  9942. if (phy_index == EXT_PHY1) {
  9943. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  9944. port_mb[port].ext_phy_fw_version);
  9945. /* Check specific mdc mdio settings */
  9946. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  9947. mdc_mdio_access = config2 &
  9948. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  9949. } else {
  9950. u32 size = REG_RD(bp, shmem2_base);
  9951. if (size >
  9952. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  9953. phy->ver_addr = shmem2_base +
  9954. offsetof(struct shmem2_region,
  9955. ext_phy_fw_version2[port]);
  9956. }
  9957. /* Check specific mdc mdio settings */
  9958. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  9959. mdc_mdio_access = (config2 &
  9960. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  9961. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  9962. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  9963. }
  9964. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  9965. /*
  9966. * In case mdc/mdio_access of the external phy is different than the
  9967. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  9968. * to prevent one port interfere with another port's CL45 operations.
  9969. */
  9970. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  9971. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  9972. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  9973. phy_type, port, phy_index);
  9974. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  9975. phy->addr, phy->mdio_ctrl);
  9976. return 0;
  9977. }
  9978. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  9979. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  9980. {
  9981. int status = 0;
  9982. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  9983. if (phy_index == INT_PHY)
  9984. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  9985. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  9986. port, phy);
  9987. return status;
  9988. }
  9989. static void bnx2x_phy_def_cfg(struct link_params *params,
  9990. struct bnx2x_phy *phy,
  9991. u8 phy_index)
  9992. {
  9993. struct bnx2x *bp = params->bp;
  9994. u32 link_config;
  9995. /* Populate the default phy configuration for MF mode */
  9996. if (phy_index == EXT_PHY2) {
  9997. link_config = REG_RD(bp, params->shmem_base +
  9998. offsetof(struct shmem_region, dev_info.
  9999. port_feature_config[params->port].link_config2));
  10000. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10001. offsetof(struct shmem_region,
  10002. dev_info.
  10003. port_hw_config[params->port].speed_capability_mask2));
  10004. } else {
  10005. link_config = REG_RD(bp, params->shmem_base +
  10006. offsetof(struct shmem_region, dev_info.
  10007. port_feature_config[params->port].link_config));
  10008. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10009. offsetof(struct shmem_region,
  10010. dev_info.
  10011. port_hw_config[params->port].speed_capability_mask));
  10012. }
  10013. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  10014. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  10015. phy->req_duplex = DUPLEX_FULL;
  10016. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10017. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10018. phy->req_duplex = DUPLEX_HALF;
  10019. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10020. phy->req_line_speed = SPEED_10;
  10021. break;
  10022. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10023. phy->req_duplex = DUPLEX_HALF;
  10024. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10025. phy->req_line_speed = SPEED_100;
  10026. break;
  10027. case PORT_FEATURE_LINK_SPEED_1G:
  10028. phy->req_line_speed = SPEED_1000;
  10029. break;
  10030. case PORT_FEATURE_LINK_SPEED_2_5G:
  10031. phy->req_line_speed = SPEED_2500;
  10032. break;
  10033. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10034. phy->req_line_speed = SPEED_10000;
  10035. break;
  10036. default:
  10037. phy->req_line_speed = SPEED_AUTO_NEG;
  10038. break;
  10039. }
  10040. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10041. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10042. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10043. break;
  10044. case PORT_FEATURE_FLOW_CONTROL_TX:
  10045. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10046. break;
  10047. case PORT_FEATURE_FLOW_CONTROL_RX:
  10048. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10049. break;
  10050. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10051. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10052. break;
  10053. default:
  10054. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10055. break;
  10056. }
  10057. }
  10058. u32 bnx2x_phy_selection(struct link_params *params)
  10059. {
  10060. u32 phy_config_swapped, prio_cfg;
  10061. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10062. phy_config_swapped = params->multi_phy_config &
  10063. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10064. prio_cfg = params->multi_phy_config &
  10065. PORT_HW_CFG_PHY_SELECTION_MASK;
  10066. if (phy_config_swapped) {
  10067. switch (prio_cfg) {
  10068. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10069. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10070. break;
  10071. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10072. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10073. break;
  10074. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10075. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10076. break;
  10077. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10078. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10079. break;
  10080. }
  10081. } else
  10082. return_cfg = prio_cfg;
  10083. return return_cfg;
  10084. }
  10085. int bnx2x_phy_probe(struct link_params *params)
  10086. {
  10087. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10088. u32 phy_config_swapped, sync_offset, media_types;
  10089. struct bnx2x *bp = params->bp;
  10090. struct bnx2x_phy *phy;
  10091. params->num_phys = 0;
  10092. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10093. phy_config_swapped = params->multi_phy_config &
  10094. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10095. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10096. phy_index++) {
  10097. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10098. actual_phy_idx = phy_index;
  10099. if (phy_config_swapped) {
  10100. if (phy_index == EXT_PHY1)
  10101. actual_phy_idx = EXT_PHY2;
  10102. else if (phy_index == EXT_PHY2)
  10103. actual_phy_idx = EXT_PHY1;
  10104. }
  10105. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10106. " actual_phy_idx %x\n", phy_config_swapped,
  10107. phy_index, actual_phy_idx);
  10108. phy = &params->phy[actual_phy_idx];
  10109. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10110. params->shmem2_base, params->port,
  10111. phy) != 0) {
  10112. params->num_phys = 0;
  10113. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10114. phy_index);
  10115. for (phy_index = INT_PHY;
  10116. phy_index < MAX_PHYS;
  10117. phy_index++)
  10118. *phy = phy_null;
  10119. return -EINVAL;
  10120. }
  10121. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10122. break;
  10123. sync_offset = params->shmem_base +
  10124. offsetof(struct shmem_region,
  10125. dev_info.port_hw_config[params->port].media_type);
  10126. media_types = REG_RD(bp, sync_offset);
  10127. /*
  10128. * Update media type for non-PMF sync only for the first time
  10129. * In case the media type changes afterwards, it will be updated
  10130. * using the update_status function
  10131. */
  10132. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10133. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10134. actual_phy_idx))) == 0) {
  10135. media_types |= ((phy->media_type &
  10136. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10137. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10138. actual_phy_idx));
  10139. }
  10140. REG_WR(bp, sync_offset, media_types);
  10141. bnx2x_phy_def_cfg(params, phy, phy_index);
  10142. params->num_phys++;
  10143. }
  10144. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10145. return 0;
  10146. }
  10147. void bnx2x_init_bmac_loopback(struct link_params *params,
  10148. struct link_vars *vars)
  10149. {
  10150. struct bnx2x *bp = params->bp;
  10151. vars->link_up = 1;
  10152. vars->line_speed = SPEED_10000;
  10153. vars->duplex = DUPLEX_FULL;
  10154. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10155. vars->mac_type = MAC_TYPE_BMAC;
  10156. vars->phy_flags = PHY_XGXS_FLAG;
  10157. bnx2x_xgxs_deassert(params);
  10158. /* set bmac loopback */
  10159. bnx2x_bmac_enable(params, vars, 1);
  10160. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10161. }
  10162. void bnx2x_init_emac_loopback(struct link_params *params,
  10163. struct link_vars *vars)
  10164. {
  10165. struct bnx2x *bp = params->bp;
  10166. vars->link_up = 1;
  10167. vars->line_speed = SPEED_1000;
  10168. vars->duplex = DUPLEX_FULL;
  10169. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10170. vars->mac_type = MAC_TYPE_EMAC;
  10171. vars->phy_flags = PHY_XGXS_FLAG;
  10172. bnx2x_xgxs_deassert(params);
  10173. /* set bmac loopback */
  10174. bnx2x_emac_enable(params, vars, 1);
  10175. bnx2x_emac_program(params, vars);
  10176. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10177. }
  10178. void bnx2x_init_xmac_loopback(struct link_params *params,
  10179. struct link_vars *vars)
  10180. {
  10181. struct bnx2x *bp = params->bp;
  10182. vars->link_up = 1;
  10183. if (!params->req_line_speed[0])
  10184. vars->line_speed = SPEED_10000;
  10185. else
  10186. vars->line_speed = params->req_line_speed[0];
  10187. vars->duplex = DUPLEX_FULL;
  10188. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10189. vars->mac_type = MAC_TYPE_XMAC;
  10190. vars->phy_flags = PHY_XGXS_FLAG;
  10191. /*
  10192. * Set WC to loopback mode since link is required to provide clock
  10193. * to the XMAC in 20G mode
  10194. */
  10195. if (vars->line_speed == SPEED_20000) {
  10196. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10197. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10198. params->phy[INT_PHY].config_loopback(
  10199. &params->phy[INT_PHY],
  10200. params);
  10201. }
  10202. bnx2x_xmac_enable(params, vars, 1);
  10203. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10204. }
  10205. void bnx2x_init_umac_loopback(struct link_params *params,
  10206. struct link_vars *vars)
  10207. {
  10208. struct bnx2x *bp = params->bp;
  10209. vars->link_up = 1;
  10210. vars->line_speed = SPEED_1000;
  10211. vars->duplex = DUPLEX_FULL;
  10212. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10213. vars->mac_type = MAC_TYPE_UMAC;
  10214. vars->phy_flags = PHY_XGXS_FLAG;
  10215. bnx2x_umac_enable(params, vars, 1);
  10216. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10217. }
  10218. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10219. struct link_vars *vars)
  10220. {
  10221. struct bnx2x *bp = params->bp;
  10222. vars->link_up = 1;
  10223. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10224. vars->duplex = DUPLEX_FULL;
  10225. if (params->req_line_speed[0] == SPEED_1000)
  10226. vars->line_speed = SPEED_1000;
  10227. else
  10228. vars->line_speed = SPEED_10000;
  10229. if (!USES_WARPCORE(bp))
  10230. bnx2x_xgxs_deassert(params);
  10231. bnx2x_link_initialize(params, vars);
  10232. if (params->req_line_speed[0] == SPEED_1000) {
  10233. if (USES_WARPCORE(bp))
  10234. bnx2x_umac_enable(params, vars, 0);
  10235. else {
  10236. bnx2x_emac_program(params, vars);
  10237. bnx2x_emac_enable(params, vars, 0);
  10238. }
  10239. } else {
  10240. if (USES_WARPCORE(bp))
  10241. bnx2x_xmac_enable(params, vars, 0);
  10242. else
  10243. bnx2x_bmac_enable(params, vars, 0);
  10244. }
  10245. if (params->loopback_mode == LOOPBACK_XGXS) {
  10246. /* set 10G XGXS loopback */
  10247. params->phy[INT_PHY].config_loopback(
  10248. &params->phy[INT_PHY],
  10249. params);
  10250. } else {
  10251. /* set external phy loopback */
  10252. u8 phy_index;
  10253. for (phy_index = EXT_PHY1;
  10254. phy_index < params->num_phys; phy_index++) {
  10255. if (params->phy[phy_index].config_loopback)
  10256. params->phy[phy_index].config_loopback(
  10257. &params->phy[phy_index],
  10258. params);
  10259. }
  10260. }
  10261. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10262. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10263. }
  10264. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10265. {
  10266. struct bnx2x *bp = params->bp;
  10267. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10268. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10269. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10270. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10271. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10272. vars->link_status = 0;
  10273. vars->phy_link_up = 0;
  10274. vars->link_up = 0;
  10275. vars->line_speed = 0;
  10276. vars->duplex = DUPLEX_FULL;
  10277. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10278. vars->mac_type = MAC_TYPE_NONE;
  10279. vars->phy_flags = 0;
  10280. /* disable attentions */
  10281. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10282. (NIG_MASK_XGXS0_LINK_STATUS |
  10283. NIG_MASK_XGXS0_LINK10G |
  10284. NIG_MASK_SERDES0_LINK_STATUS |
  10285. NIG_MASK_MI_INT));
  10286. bnx2x_emac_init(params, vars);
  10287. if (params->num_phys == 0) {
  10288. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10289. return -EINVAL;
  10290. }
  10291. set_phy_vars(params, vars);
  10292. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10293. switch (params->loopback_mode) {
  10294. case LOOPBACK_BMAC:
  10295. bnx2x_init_bmac_loopback(params, vars);
  10296. break;
  10297. case LOOPBACK_EMAC:
  10298. bnx2x_init_emac_loopback(params, vars);
  10299. break;
  10300. case LOOPBACK_XMAC:
  10301. bnx2x_init_xmac_loopback(params, vars);
  10302. break;
  10303. case LOOPBACK_UMAC:
  10304. bnx2x_init_umac_loopback(params, vars);
  10305. break;
  10306. case LOOPBACK_XGXS:
  10307. case LOOPBACK_EXT_PHY:
  10308. bnx2x_init_xgxs_loopback(params, vars);
  10309. break;
  10310. default:
  10311. if (!CHIP_IS_E3(bp)) {
  10312. if (params->switch_cfg == SWITCH_CFG_10G)
  10313. bnx2x_xgxs_deassert(params);
  10314. else
  10315. bnx2x_serdes_deassert(bp, params->port);
  10316. }
  10317. bnx2x_link_initialize(params, vars);
  10318. msleep(30);
  10319. bnx2x_link_int_enable(params);
  10320. break;
  10321. }
  10322. return 0;
  10323. }
  10324. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10325. u8 reset_ext_phy)
  10326. {
  10327. struct bnx2x *bp = params->bp;
  10328. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10329. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10330. /* disable attentions */
  10331. vars->link_status = 0;
  10332. bnx2x_update_mng(params, vars->link_status);
  10333. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10334. (NIG_MASK_XGXS0_LINK_STATUS |
  10335. NIG_MASK_XGXS0_LINK10G |
  10336. NIG_MASK_SERDES0_LINK_STATUS |
  10337. NIG_MASK_MI_INT));
  10338. /* activate nig drain */
  10339. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10340. /* disable nig egress interface */
  10341. if (!CHIP_IS_E3(bp)) {
  10342. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10343. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10344. }
  10345. /* Stop BigMac rx */
  10346. if (!CHIP_IS_E3(bp))
  10347. bnx2x_bmac_rx_disable(bp, port);
  10348. else
  10349. bnx2x_xmac_disable(params);
  10350. /* disable emac */
  10351. if (!CHIP_IS_E3(bp))
  10352. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10353. msleep(10);
  10354. /* The PHY reset is controlled by GPIO 1
  10355. * Hold it as vars low
  10356. */
  10357. /* clear link led */
  10358. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10359. if (reset_ext_phy) {
  10360. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10361. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10362. phy_index++) {
  10363. if (params->phy[phy_index].link_reset) {
  10364. bnx2x_set_aer_mmd(params,
  10365. &params->phy[phy_index]);
  10366. params->phy[phy_index].link_reset(
  10367. &params->phy[phy_index],
  10368. params);
  10369. }
  10370. if (params->phy[phy_index].flags &
  10371. FLAGS_REARM_LATCH_SIGNAL)
  10372. clear_latch_ind = 1;
  10373. }
  10374. }
  10375. if (clear_latch_ind) {
  10376. /* Clear latching indication */
  10377. bnx2x_rearm_latch_signal(bp, port, 0);
  10378. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10379. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10380. }
  10381. if (params->phy[INT_PHY].link_reset)
  10382. params->phy[INT_PHY].link_reset(
  10383. &params->phy[INT_PHY], params);
  10384. /* reset BigMac */
  10385. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10386. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10387. /* disable nig ingress interface */
  10388. if (!CHIP_IS_E3(bp)) {
  10389. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10390. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10391. }
  10392. vars->link_up = 0;
  10393. vars->phy_flags = 0;
  10394. return 0;
  10395. }
  10396. /****************************************************************************/
  10397. /* Common function */
  10398. /****************************************************************************/
  10399. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10400. u32 shmem_base_path[],
  10401. u32 shmem2_base_path[], u8 phy_index,
  10402. u32 chip_id)
  10403. {
  10404. struct bnx2x_phy phy[PORT_MAX];
  10405. struct bnx2x_phy *phy_blk[PORT_MAX];
  10406. u16 val;
  10407. s8 port = 0;
  10408. s8 port_of_path = 0;
  10409. u32 swap_val, swap_override;
  10410. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10411. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10412. port ^= (swap_val && swap_override);
  10413. bnx2x_ext_phy_hw_reset(bp, port);
  10414. /* PART1 - Reset both phys */
  10415. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10416. u32 shmem_base, shmem2_base;
  10417. /* In E2, same phy is using for port0 of the two paths */
  10418. if (CHIP_IS_E1x(bp)) {
  10419. shmem_base = shmem_base_path[0];
  10420. shmem2_base = shmem2_base_path[0];
  10421. port_of_path = port;
  10422. } else {
  10423. shmem_base = shmem_base_path[port];
  10424. shmem2_base = shmem2_base_path[port];
  10425. port_of_path = 0;
  10426. }
  10427. /* Extract the ext phy address for the port */
  10428. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10429. port_of_path, &phy[port]) !=
  10430. 0) {
  10431. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10432. return -EINVAL;
  10433. }
  10434. /* disable attentions */
  10435. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10436. port_of_path*4,
  10437. (NIG_MASK_XGXS0_LINK_STATUS |
  10438. NIG_MASK_XGXS0_LINK10G |
  10439. NIG_MASK_SERDES0_LINK_STATUS |
  10440. NIG_MASK_MI_INT));
  10441. /* Need to take the phy out of low power mode in order
  10442. to write to access its registers */
  10443. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10444. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10445. port);
  10446. /* Reset the phy */
  10447. bnx2x_cl45_write(bp, &phy[port],
  10448. MDIO_PMA_DEVAD,
  10449. MDIO_PMA_REG_CTRL,
  10450. 1<<15);
  10451. }
  10452. /* Add delay of 150ms after reset */
  10453. msleep(150);
  10454. if (phy[PORT_0].addr & 0x1) {
  10455. phy_blk[PORT_0] = &(phy[PORT_1]);
  10456. phy_blk[PORT_1] = &(phy[PORT_0]);
  10457. } else {
  10458. phy_blk[PORT_0] = &(phy[PORT_0]);
  10459. phy_blk[PORT_1] = &(phy[PORT_1]);
  10460. }
  10461. /* PART2 - Download firmware to both phys */
  10462. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10463. if (CHIP_IS_E1x(bp))
  10464. port_of_path = port;
  10465. else
  10466. port_of_path = 0;
  10467. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10468. phy_blk[port]->addr);
  10469. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10470. port_of_path))
  10471. return -EINVAL;
  10472. /* Only set bit 10 = 1 (Tx power down) */
  10473. bnx2x_cl45_read(bp, phy_blk[port],
  10474. MDIO_PMA_DEVAD,
  10475. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10476. /* Phase1 of TX_POWER_DOWN reset */
  10477. bnx2x_cl45_write(bp, phy_blk[port],
  10478. MDIO_PMA_DEVAD,
  10479. MDIO_PMA_REG_TX_POWER_DOWN,
  10480. (val | 1<<10));
  10481. }
  10482. /*
  10483. * Toggle Transmitter: Power down and then up with 600ms delay
  10484. * between
  10485. */
  10486. msleep(600);
  10487. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10488. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10489. /* Phase2 of POWER_DOWN_RESET */
  10490. /* Release bit 10 (Release Tx power down) */
  10491. bnx2x_cl45_read(bp, phy_blk[port],
  10492. MDIO_PMA_DEVAD,
  10493. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10494. bnx2x_cl45_write(bp, phy_blk[port],
  10495. MDIO_PMA_DEVAD,
  10496. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10497. msleep(15);
  10498. /* Read modify write the SPI-ROM version select register */
  10499. bnx2x_cl45_read(bp, phy_blk[port],
  10500. MDIO_PMA_DEVAD,
  10501. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10502. bnx2x_cl45_write(bp, phy_blk[port],
  10503. MDIO_PMA_DEVAD,
  10504. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10505. /* set GPIO2 back to LOW */
  10506. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10507. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10508. }
  10509. return 0;
  10510. }
  10511. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10512. u32 shmem_base_path[],
  10513. u32 shmem2_base_path[], u8 phy_index,
  10514. u32 chip_id)
  10515. {
  10516. u32 val;
  10517. s8 port;
  10518. struct bnx2x_phy phy;
  10519. /* Use port1 because of the static port-swap */
  10520. /* Enable the module detection interrupt */
  10521. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10522. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10523. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10524. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10525. bnx2x_ext_phy_hw_reset(bp, 0);
  10526. msleep(5);
  10527. for (port = 0; port < PORT_MAX; port++) {
  10528. u32 shmem_base, shmem2_base;
  10529. /* In E2, same phy is using for port0 of the two paths */
  10530. if (CHIP_IS_E1x(bp)) {
  10531. shmem_base = shmem_base_path[0];
  10532. shmem2_base = shmem2_base_path[0];
  10533. } else {
  10534. shmem_base = shmem_base_path[port];
  10535. shmem2_base = shmem2_base_path[port];
  10536. }
  10537. /* Extract the ext phy address for the port */
  10538. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10539. port, &phy) !=
  10540. 0) {
  10541. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10542. return -EINVAL;
  10543. }
  10544. /* Reset phy*/
  10545. bnx2x_cl45_write(bp, &phy,
  10546. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10547. /* Set fault module detected LED on */
  10548. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10549. MISC_REGISTERS_GPIO_HIGH,
  10550. port);
  10551. }
  10552. return 0;
  10553. }
  10554. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10555. u8 *io_gpio, u8 *io_port)
  10556. {
  10557. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10558. offsetof(struct shmem_region,
  10559. dev_info.port_hw_config[PORT_0].default_cfg));
  10560. switch (phy_gpio_reset) {
  10561. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10562. *io_gpio = 0;
  10563. *io_port = 0;
  10564. break;
  10565. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10566. *io_gpio = 1;
  10567. *io_port = 0;
  10568. break;
  10569. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10570. *io_gpio = 2;
  10571. *io_port = 0;
  10572. break;
  10573. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10574. *io_gpio = 3;
  10575. *io_port = 0;
  10576. break;
  10577. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10578. *io_gpio = 0;
  10579. *io_port = 1;
  10580. break;
  10581. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10582. *io_gpio = 1;
  10583. *io_port = 1;
  10584. break;
  10585. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10586. *io_gpio = 2;
  10587. *io_port = 1;
  10588. break;
  10589. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10590. *io_gpio = 3;
  10591. *io_port = 1;
  10592. break;
  10593. default:
  10594. /* Don't override the io_gpio and io_port */
  10595. break;
  10596. }
  10597. }
  10598. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10599. u32 shmem_base_path[],
  10600. u32 shmem2_base_path[], u8 phy_index,
  10601. u32 chip_id)
  10602. {
  10603. s8 port, reset_gpio;
  10604. u32 swap_val, swap_override;
  10605. struct bnx2x_phy phy[PORT_MAX];
  10606. struct bnx2x_phy *phy_blk[PORT_MAX];
  10607. s8 port_of_path;
  10608. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10609. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10610. reset_gpio = MISC_REGISTERS_GPIO_1;
  10611. port = 1;
  10612. /*
  10613. * Retrieve the reset gpio/port which control the reset.
  10614. * Default is GPIO1, PORT1
  10615. */
  10616. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10617. (u8 *)&reset_gpio, (u8 *)&port);
  10618. /* Calculate the port based on port swap */
  10619. port ^= (swap_val && swap_override);
  10620. /* Initiate PHY reset*/
  10621. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10622. port);
  10623. msleep(1);
  10624. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10625. port);
  10626. msleep(5);
  10627. /* PART1 - Reset both phys */
  10628. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10629. u32 shmem_base, shmem2_base;
  10630. /* In E2, same phy is using for port0 of the two paths */
  10631. if (CHIP_IS_E1x(bp)) {
  10632. shmem_base = shmem_base_path[0];
  10633. shmem2_base = shmem2_base_path[0];
  10634. port_of_path = port;
  10635. } else {
  10636. shmem_base = shmem_base_path[port];
  10637. shmem2_base = shmem2_base_path[port];
  10638. port_of_path = 0;
  10639. }
  10640. /* Extract the ext phy address for the port */
  10641. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10642. port_of_path, &phy[port]) !=
  10643. 0) {
  10644. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10645. return -EINVAL;
  10646. }
  10647. /* disable attentions */
  10648. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10649. port_of_path*4,
  10650. (NIG_MASK_XGXS0_LINK_STATUS |
  10651. NIG_MASK_XGXS0_LINK10G |
  10652. NIG_MASK_SERDES0_LINK_STATUS |
  10653. NIG_MASK_MI_INT));
  10654. /* Reset the phy */
  10655. bnx2x_cl45_write(bp, &phy[port],
  10656. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10657. }
  10658. /* Add delay of 150ms after reset */
  10659. msleep(150);
  10660. if (phy[PORT_0].addr & 0x1) {
  10661. phy_blk[PORT_0] = &(phy[PORT_1]);
  10662. phy_blk[PORT_1] = &(phy[PORT_0]);
  10663. } else {
  10664. phy_blk[PORT_0] = &(phy[PORT_0]);
  10665. phy_blk[PORT_1] = &(phy[PORT_1]);
  10666. }
  10667. /* PART2 - Download firmware to both phys */
  10668. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10669. if (CHIP_IS_E1x(bp))
  10670. port_of_path = port;
  10671. else
  10672. port_of_path = 0;
  10673. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10674. phy_blk[port]->addr);
  10675. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10676. port_of_path))
  10677. return -EINVAL;
  10678. /* Disable PHY transmitter output */
  10679. bnx2x_cl45_write(bp, phy_blk[port],
  10680. MDIO_PMA_DEVAD,
  10681. MDIO_PMA_REG_TX_DISABLE, 1);
  10682. }
  10683. return 0;
  10684. }
  10685. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10686. u32 shmem2_base_path[], u8 phy_index,
  10687. u32 ext_phy_type, u32 chip_id)
  10688. {
  10689. int rc = 0;
  10690. switch (ext_phy_type) {
  10691. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10692. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10693. shmem2_base_path,
  10694. phy_index, chip_id);
  10695. break;
  10696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10697. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10698. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10699. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10700. shmem2_base_path,
  10701. phy_index, chip_id);
  10702. break;
  10703. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10704. /*
  10705. * GPIO1 affects both ports, so there's need to pull
  10706. * it for single port alone
  10707. */
  10708. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10709. shmem2_base_path,
  10710. phy_index, chip_id);
  10711. break;
  10712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10713. /*
  10714. * GPIO3's are linked, and so both need to be toggled
  10715. * to obtain required 2us pulse.
  10716. */
  10717. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10718. break;
  10719. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10720. rc = -EINVAL;
  10721. break;
  10722. default:
  10723. DP(NETIF_MSG_LINK,
  10724. "ext_phy 0x%x common init not required\n",
  10725. ext_phy_type);
  10726. break;
  10727. }
  10728. if (rc != 0)
  10729. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10730. " Port %d\n",
  10731. 0);
  10732. return rc;
  10733. }
  10734. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10735. u32 shmem2_base_path[], u32 chip_id)
  10736. {
  10737. int rc = 0;
  10738. u32 phy_ver, val;
  10739. u8 phy_index = 0;
  10740. u32 ext_phy_type, ext_phy_config;
  10741. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10742. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10743. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10744. if (CHIP_IS_E3(bp)) {
  10745. /* Enable EPIO */
  10746. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10747. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10748. }
  10749. /* Check if common init was already done */
  10750. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10751. offsetof(struct shmem_region,
  10752. port_mb[PORT_0].ext_phy_fw_version));
  10753. if (phy_ver) {
  10754. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10755. phy_ver);
  10756. return 0;
  10757. }
  10758. /* Read the ext_phy_type for arbitrary port(0) */
  10759. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10760. phy_index++) {
  10761. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10762. shmem_base_path[0],
  10763. phy_index, 0);
  10764. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10765. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10766. shmem2_base_path,
  10767. phy_index, ext_phy_type,
  10768. chip_id);
  10769. }
  10770. return rc;
  10771. }
  10772. static void bnx2x_check_over_curr(struct link_params *params,
  10773. struct link_vars *vars)
  10774. {
  10775. struct bnx2x *bp = params->bp;
  10776. u32 cfg_pin;
  10777. u8 port = params->port;
  10778. u32 pin_val;
  10779. cfg_pin = (REG_RD(bp, params->shmem_base +
  10780. offsetof(struct shmem_region,
  10781. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10782. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10783. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10784. /* Ignore check if no external input PIN available */
  10785. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10786. return;
  10787. if (!pin_val) {
  10788. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10789. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10790. " been detected and the power to "
  10791. "that SFP+ module has been removed"
  10792. " to prevent failure of the card."
  10793. " Please remove the SFP+ module and"
  10794. " restart the system to clear this"
  10795. " error.\n",
  10796. params->port);
  10797. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10798. }
  10799. } else
  10800. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10801. }
  10802. static void bnx2x_analyze_link_error(struct link_params *params,
  10803. struct link_vars *vars, u32 lss_status)
  10804. {
  10805. struct bnx2x *bp = params->bp;
  10806. /* Compare new value with previous value */
  10807. u8 led_mode;
  10808. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10809. /*DP(NETIF_MSG_LINK, "CHECK LINK: %x half_open:%x-> lss:%x\n",
  10810. vars->link_up,
  10811. half_open_conn, lss_status);*/
  10812. if ((lss_status ^ half_open_conn) == 0)
  10813. return;
  10814. /* If values differ */
  10815. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10816. half_open_conn, lss_status);
  10817. /*
  10818. * a. Update shmem->link_status accordingly
  10819. * b. Update link_vars->link_up
  10820. */
  10821. if (lss_status) {
  10822. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10823. vars->link_up = 0;
  10824. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10825. /*
  10826. * Set LED mode to off since the PHY doesn't know about these
  10827. * errors
  10828. */
  10829. led_mode = LED_MODE_OFF;
  10830. } else {
  10831. vars->link_status |= LINK_STATUS_LINK_UP;
  10832. vars->link_up = 1;
  10833. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10834. led_mode = LED_MODE_OPER;
  10835. }
  10836. /* Update the LED according to the link state */
  10837. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10838. /* Update link status in the shared memory */
  10839. bnx2x_update_mng(params, vars->link_status);
  10840. /* C. Trigger General Attention */
  10841. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10842. bnx2x_notify_link_changed(bp);
  10843. }
  10844. static void bnx2x_check_half_open_conn(struct link_params *params,
  10845. struct link_vars *vars)
  10846. {
  10847. struct bnx2x *bp = params->bp;
  10848. u32 lss_status = 0;
  10849. u32 mac_base;
  10850. /* In case link status is physically up @ 10G do */
  10851. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  10852. return;
  10853. if (!CHIP_IS_E3(bp) &&
  10854. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10855. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))) {
  10856. /* Check E1X / E2 BMAC */
  10857. u32 lss_status_reg;
  10858. u32 wb_data[2];
  10859. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  10860. NIG_REG_INGRESS_BMAC0_MEM;
  10861. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  10862. if (CHIP_IS_E2(bp))
  10863. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  10864. else
  10865. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  10866. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  10867. lss_status = (wb_data[0] > 0);
  10868. bnx2x_analyze_link_error(params, vars, lss_status);
  10869. }
  10870. }
  10871. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  10872. {
  10873. struct bnx2x *bp = params->bp;
  10874. if (!params) {
  10875. DP(NETIF_MSG_LINK, "Ininitliazed params !\n");
  10876. return;
  10877. }
  10878. /* DP(NETIF_MSG_LINK, "Periodic called vars->phy_flags 0x%x speed 0x%x
  10879. RESET_REG_2 0x%x\n", vars->phy_flags, vars->line_speed,
  10880. REG_RD(bp, MISC_REG_RESET_REG_2)); */
  10881. bnx2x_check_half_open_conn(params, vars);
  10882. if (CHIP_IS_E3(bp))
  10883. bnx2x_check_over_curr(params, vars);
  10884. }
  10885. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  10886. {
  10887. u8 phy_index;
  10888. struct bnx2x_phy phy;
  10889. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10890. phy_index++) {
  10891. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10892. 0, &phy) != 0) {
  10893. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10894. return 0;
  10895. }
  10896. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  10897. return 1;
  10898. }
  10899. return 0;
  10900. }
  10901. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  10902. u32 shmem_base,
  10903. u32 shmem2_base,
  10904. u8 port)
  10905. {
  10906. u8 phy_index, fan_failure_det_req = 0;
  10907. struct bnx2x_phy phy;
  10908. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10909. phy_index++) {
  10910. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10911. port, &phy)
  10912. != 0) {
  10913. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10914. return 0;
  10915. }
  10916. fan_failure_det_req |= (phy.flags &
  10917. FLAGS_FAN_FAILURE_DET_REQ);
  10918. }
  10919. return fan_failure_det_req;
  10920. }
  10921. void bnx2x_hw_reset_phy(struct link_params *params)
  10922. {
  10923. u8 phy_index;
  10924. struct bnx2x *bp = params->bp;
  10925. bnx2x_update_mng(params, 0);
  10926. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10927. (NIG_MASK_XGXS0_LINK_STATUS |
  10928. NIG_MASK_XGXS0_LINK10G |
  10929. NIG_MASK_SERDES0_LINK_STATUS |
  10930. NIG_MASK_MI_INT));
  10931. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10932. phy_index++) {
  10933. if (params->phy[phy_index].hw_reset) {
  10934. params->phy[phy_index].hw_reset(
  10935. &params->phy[phy_index],
  10936. params);
  10937. params->phy[phy_index] = phy_null;
  10938. }
  10939. }
  10940. }
  10941. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  10942. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  10943. u8 port)
  10944. {
  10945. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  10946. u32 val;
  10947. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  10948. if (CHIP_IS_E3(bp)) {
  10949. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  10950. shmem_base,
  10951. port,
  10952. &gpio_num,
  10953. &gpio_port) != 0)
  10954. return;
  10955. } else {
  10956. struct bnx2x_phy phy;
  10957. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10958. phy_index++) {
  10959. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  10960. shmem2_base, port, &phy)
  10961. != 0) {
  10962. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10963. return;
  10964. }
  10965. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  10966. gpio_num = MISC_REGISTERS_GPIO_3;
  10967. gpio_port = port;
  10968. break;
  10969. }
  10970. }
  10971. }
  10972. if (gpio_num == 0xff)
  10973. return;
  10974. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  10975. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  10976. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10977. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10978. gpio_port ^= (swap_val && swap_override);
  10979. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  10980. (gpio_num + (gpio_port << 2));
  10981. sync_offset = shmem_base +
  10982. offsetof(struct shmem_region,
  10983. dev_info.port_hw_config[port].aeu_int_mask);
  10984. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  10985. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  10986. gpio_num, gpio_port, vars->aeu_int_mask);
  10987. if (port == 0)
  10988. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  10989. else
  10990. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  10991. /* Open appropriate AEU for interrupts */
  10992. aeu_mask = REG_RD(bp, offset);
  10993. aeu_mask |= vars->aeu_int_mask;
  10994. REG_WR(bp, offset, aeu_mask);
  10995. /* Enable the GPIO to trigger interrupt */
  10996. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10997. val |= 1 << (gpio_num + (gpio_port << 2));
  10998. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10999. }