bnx2x_link.c 361 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. #define WC_LANE_MAX 4
  36. #define I2C_SWITCH_WIDTH 2
  37. #define I2C_BSC0 0
  38. #define I2C_BSC1 1
  39. #define I2C_WA_RETRY_CNT 3
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. /* */
  128. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  129. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  130. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  131. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  132. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  133. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  134. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  135. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  137. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  138. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  139. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  140. #define SFP_EEPROM_OPTIONS_SIZE 2
  141. #define EDC_MODE_LINEAR 0x0022
  142. #define EDC_MODE_LIMITING 0x0044
  143. #define EDC_MODE_PASSIVE_DAC 0x0055
  144. /* BRB thresholds for E2*/
  145. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  146. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  147. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  148. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  149. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  150. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  151. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  152. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  153. /* BRB thresholds for E3A0 */
  154. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  155. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  156. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  157. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  158. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  159. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  160. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  161. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  162. /* BRB thresholds for E3B0 2 port mode*/
  163. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  164. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  165. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  166. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  167. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  168. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  169. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  170. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  171. /* only for E3B0*/
  172. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  173. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  174. /* Lossy +Lossless GUARANTIED == GUART */
  175. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  176. /* Lossless +Lossless*/
  177. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  178. /* Lossy +Lossy*/
  179. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  180. /* Lossy +Lossless*/
  181. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  182. /* Lossless +Lossless*/
  183. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  184. /* Lossy +Lossy*/
  185. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  186. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  187. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  188. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  189. /* BRB thresholds for E3B0 4 port mode */
  190. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  191. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  192. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  193. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  194. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  195. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  196. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  197. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  198. /* only for E3B0*/
  199. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  200. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  201. #define PFC_E3B0_4P_LB_GUART 120
  202. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  203. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  204. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  205. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  206. #define DCBX_INVALID_COS (0xFF)
  207. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  208. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  209. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  210. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  211. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  212. #define MAX_PACKET_SIZE (9700)
  213. #define WC_UC_TIMEOUT 100
  214. #define MAX_KR_LINK_RETRY 4
  215. /**********************************************************/
  216. /* INTERFACE */
  217. /**********************************************************/
  218. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  219. bnx2x_cl45_write(_bp, _phy, \
  220. (_phy)->def_md_devad, \
  221. (_bank + (_addr & 0xf)), \
  222. _val)
  223. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  224. bnx2x_cl45_read(_bp, _phy, \
  225. (_phy)->def_md_devad, \
  226. (_bank + (_addr & 0xf)), \
  227. _val)
  228. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  229. {
  230. u32 val = REG_RD(bp, reg);
  231. val |= bits;
  232. REG_WR(bp, reg, val);
  233. return val;
  234. }
  235. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  236. {
  237. u32 val = REG_RD(bp, reg);
  238. val &= ~bits;
  239. REG_WR(bp, reg, val);
  240. return val;
  241. }
  242. /******************************************************************/
  243. /* EPIO/GPIO section */
  244. /******************************************************************/
  245. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  246. {
  247. u32 epio_mask, gp_oenable;
  248. *en = 0;
  249. /* Sanity check */
  250. if (epio_pin > 31) {
  251. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  252. return;
  253. }
  254. epio_mask = 1 << epio_pin;
  255. /* Set this EPIO to output */
  256. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  257. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  258. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  259. }
  260. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  261. {
  262. u32 epio_mask, gp_output, gp_oenable;
  263. /* Sanity check */
  264. if (epio_pin > 31) {
  265. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  266. return;
  267. }
  268. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  269. epio_mask = 1 << epio_pin;
  270. /* Set this EPIO to output */
  271. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  272. if (en)
  273. gp_output |= epio_mask;
  274. else
  275. gp_output &= ~epio_mask;
  276. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  277. /* Set the value for this EPIO */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  280. }
  281. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  282. {
  283. if (pin_cfg == PIN_CFG_NA)
  284. return;
  285. if (pin_cfg >= PIN_CFG_EPIO0) {
  286. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  287. } else {
  288. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  289. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  290. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  291. }
  292. }
  293. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  294. {
  295. if (pin_cfg == PIN_CFG_NA)
  296. return -EINVAL;
  297. if (pin_cfg >= PIN_CFG_EPIO0) {
  298. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  299. } else {
  300. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  301. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  302. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  303. }
  304. return 0;
  305. }
  306. /******************************************************************/
  307. /* ETS section */
  308. /******************************************************************/
  309. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  310. {
  311. /* ETS disabled configuration*/
  312. struct bnx2x *bp = params->bp;
  313. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  314. /*
  315. * mapping between entry priority to client number (0,1,2 -debug and
  316. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  317. * 3bits client num.
  318. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  319. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  320. */
  321. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  322. /*
  323. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  324. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  325. * COS0 entry, 4 - COS1 entry.
  326. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  327. * bit4 bit3 bit2 bit1 bit0
  328. * MCP and debug are strict
  329. */
  330. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  331. /* defines which entries (clients) are subjected to WFQ arbitration */
  332. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  333. /*
  334. * For strict priority entries defines the number of consecutive
  335. * slots for the highest priority.
  336. */
  337. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  338. /*
  339. * mapping between the CREDIT_WEIGHT registers and actual client
  340. * numbers
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  343. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  344. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  345. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  346. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  347. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  348. /* ETS mode disable */
  349. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  350. /*
  351. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  352. * weight for COS0/COS1.
  353. */
  354. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  355. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  356. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  357. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  358. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  359. /* Defines the number of consecutive slots for the strict priority */
  360. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  361. }
  362. /******************************************************************************
  363. * Description:
  364. * Getting min_w_val will be set according to line speed .
  365. *.
  366. ******************************************************************************/
  367. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  368. {
  369. u32 min_w_val = 0;
  370. /* Calculate min_w_val.*/
  371. if (vars->link_up) {
  372. if (SPEED_20000 == vars->line_speed)
  373. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  374. else
  375. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  376. } else
  377. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  378. /**
  379. * If the link isn't up (static configuration for example ) The
  380. * link will be according to 20GBPS.
  381. */
  382. return min_w_val;
  383. }
  384. /******************************************************************************
  385. * Description:
  386. * Getting credit upper bound form min_w_val.
  387. *.
  388. ******************************************************************************/
  389. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  390. {
  391. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  392. MAX_PACKET_SIZE);
  393. return credit_upper_bound;
  394. }
  395. /******************************************************************************
  396. * Description:
  397. * Set credit upper bound for NIG.
  398. *.
  399. ******************************************************************************/
  400. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  401. const struct link_params *params,
  402. const u32 min_w_val)
  403. {
  404. struct bnx2x *bp = params->bp;
  405. const u8 port = params->port;
  406. const u32 credit_upper_bound =
  407. bnx2x_ets_get_credit_upper_bound(min_w_val);
  408. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  409. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  410. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  411. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  412. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  413. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  414. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  415. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  416. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  417. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  418. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  419. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  420. if (0 == port) {
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  422. credit_upper_bound);
  423. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  424. credit_upper_bound);
  425. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  426. credit_upper_bound);
  427. }
  428. }
  429. /******************************************************************************
  430. * Description:
  431. * Will return the NIG ETS registers to init values.Except
  432. * credit_upper_bound.
  433. * That isn't used in this configuration (No WFQ is enabled) and will be
  434. * configured acording to spec
  435. *.
  436. ******************************************************************************/
  437. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  438. const struct link_vars *vars)
  439. {
  440. struct bnx2x *bp = params->bp;
  441. const u8 port = params->port;
  442. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  443. /**
  444. * mapping between entry priority to client number (0,1,2 -debug and
  445. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  446. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  447. * reset value or init tool
  448. */
  449. if (port) {
  450. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  451. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  452. } else {
  453. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  454. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  455. }
  456. /**
  457. * For strict priority entries defines the number of consecutive
  458. * slots for the highest priority.
  459. */
  460. /* TODO_ETS - Should be done by reset value or init tool */
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  462. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  463. /**
  464. * mapping between the CREDIT_WEIGHT registers and actual client
  465. * numbers
  466. */
  467. /* TODO_ETS - Should be done by reset value or init tool */
  468. if (port) {
  469. /*Port 1 has 6 COS*/
  470. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  471. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  472. } else {
  473. /*Port 0 has 9 COS*/
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  475. 0x43210876);
  476. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  477. }
  478. /**
  479. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  480. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  481. * COS0 entry, 4 - COS1 entry.
  482. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  483. * bit4 bit3 bit2 bit1 bit0
  484. * MCP and debug are strict
  485. */
  486. if (port)
  487. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  488. else
  489. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  490. /* defines which entries (clients) are subjected to WFQ arbitration */
  491. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  492. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  493. /**
  494. * Please notice the register address are note continuous and a
  495. * for here is note appropriate.In 2 port mode port0 only COS0-5
  496. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  497. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  498. * are never used for WFQ
  499. */
  500. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  501. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  502. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  503. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  504. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  505. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  507. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  508. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  509. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  510. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  511. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  512. if (0 == port) {
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  514. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  515. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  516. }
  517. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  518. }
  519. /******************************************************************************
  520. * Description:
  521. * Set credit upper bound for PBF.
  522. *.
  523. ******************************************************************************/
  524. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  525. const struct link_params *params,
  526. const u32 min_w_val)
  527. {
  528. struct bnx2x *bp = params->bp;
  529. const u32 credit_upper_bound =
  530. bnx2x_ets_get_credit_upper_bound(min_w_val);
  531. const u8 port = params->port;
  532. u32 base_upper_bound = 0;
  533. u8 max_cos = 0;
  534. u8 i = 0;
  535. /**
  536. * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  537. * port mode port1 has COS0-2 that can be used for WFQ.
  538. */
  539. if (0 == port) {
  540. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  541. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  542. } else {
  543. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  544. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  545. }
  546. for (i = 0; i < max_cos; i++)
  547. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  548. }
  549. /******************************************************************************
  550. * Description:
  551. * Will return the PBF ETS registers to init values.Except
  552. * credit_upper_bound.
  553. * That isn't used in this configuration (No WFQ is enabled) and will be
  554. * configured acording to spec
  555. *.
  556. ******************************************************************************/
  557. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  558. {
  559. struct bnx2x *bp = params->bp;
  560. const u8 port = params->port;
  561. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  562. u8 i = 0;
  563. u32 base_weight = 0;
  564. u8 max_cos = 0;
  565. /**
  566. * mapping between entry priority to client number 0 - COS0
  567. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  568. * TODO_ETS - Should be done by reset value or init tool
  569. */
  570. if (port)
  571. /* 0x688 (|011|0 10|00 1|000) */
  572. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  573. else
  574. /* (10 1|100 |011|0 10|00 1|000) */
  575. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  576. /* TODO_ETS - Should be done by reset value or init tool */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000)*/
  579. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  580. else
  581. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  583. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  584. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  585. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  586. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  587. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  588. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  589. /**
  590. * In 2 port mode port0 has COS0-5 that can be used for WFQ.
  591. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  592. */
  593. if (0 == port) {
  594. base_weight = PBF_REG_COS0_WEIGHT_P0;
  595. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  596. } else {
  597. base_weight = PBF_REG_COS0_WEIGHT_P1;
  598. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  599. }
  600. for (i = 0; i < max_cos; i++)
  601. REG_WR(bp, base_weight + (0x4 * i), 0);
  602. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  603. }
  604. /******************************************************************************
  605. * Description:
  606. * E3B0 disable will return basicly the values to init values.
  607. *.
  608. ******************************************************************************/
  609. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  610. const struct link_vars *vars)
  611. {
  612. struct bnx2x *bp = params->bp;
  613. if (!CHIP_IS_E3B0(bp)) {
  614. DP(NETIF_MSG_LINK,
  615. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  616. return -EINVAL;
  617. }
  618. bnx2x_ets_e3b0_nig_disabled(params, vars);
  619. bnx2x_ets_e3b0_pbf_disabled(params);
  620. return 0;
  621. }
  622. /******************************************************************************
  623. * Description:
  624. * Disable will return basicly the values to init values.
  625. *.
  626. ******************************************************************************/
  627. int bnx2x_ets_disabled(struct link_params *params,
  628. struct link_vars *vars)
  629. {
  630. struct bnx2x *bp = params->bp;
  631. int bnx2x_status = 0;
  632. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  633. bnx2x_ets_e2e3a0_disabled(params);
  634. else if (CHIP_IS_E3B0(bp))
  635. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  636. else {
  637. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  638. return -EINVAL;
  639. }
  640. return bnx2x_status;
  641. }
  642. /******************************************************************************
  643. * Description
  644. * Set the COS mappimg to SP and BW until this point all the COS are not
  645. * set as SP or BW.
  646. ******************************************************************************/
  647. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  648. const struct bnx2x_ets_params *ets_params,
  649. const u8 cos_sp_bitmap,
  650. const u8 cos_bw_bitmap)
  651. {
  652. struct bnx2x *bp = params->bp;
  653. const u8 port = params->port;
  654. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  655. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  656. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  657. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  658. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  659. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  660. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  661. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  662. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  663. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  664. nig_cli_subject2wfq_bitmap);
  665. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  666. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  667. pbf_cli_subject2wfq_bitmap);
  668. return 0;
  669. }
  670. /******************************************************************************
  671. * Description:
  672. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  673. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  674. ******************************************************************************/
  675. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  676. const u8 cos_entry,
  677. const u32 min_w_val_nig,
  678. const u32 min_w_val_pbf,
  679. const u16 total_bw,
  680. const u8 bw,
  681. const u8 port)
  682. {
  683. u32 nig_reg_adress_crd_weight = 0;
  684. u32 pbf_reg_adress_crd_weight = 0;
  685. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  686. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  687. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  688. switch (cos_entry) {
  689. case 0:
  690. nig_reg_adress_crd_weight =
  691. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  692. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  693. pbf_reg_adress_crd_weight = (port) ?
  694. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  695. break;
  696. case 1:
  697. nig_reg_adress_crd_weight = (port) ?
  698. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  699. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  700. pbf_reg_adress_crd_weight = (port) ?
  701. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  702. break;
  703. case 2:
  704. nig_reg_adress_crd_weight = (port) ?
  705. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  706. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  707. pbf_reg_adress_crd_weight = (port) ?
  708. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  709. break;
  710. case 3:
  711. if (port)
  712. return -EINVAL;
  713. nig_reg_adress_crd_weight =
  714. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  715. pbf_reg_adress_crd_weight =
  716. PBF_REG_COS3_WEIGHT_P0;
  717. break;
  718. case 4:
  719. if (port)
  720. return -EINVAL;
  721. nig_reg_adress_crd_weight =
  722. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  723. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  724. break;
  725. case 5:
  726. if (port)
  727. return -EINVAL;
  728. nig_reg_adress_crd_weight =
  729. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  730. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  731. break;
  732. }
  733. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  734. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  735. return 0;
  736. }
  737. /******************************************************************************
  738. * Description:
  739. * Calculate the total BW.A value of 0 isn't legal.
  740. *.
  741. ******************************************************************************/
  742. static int bnx2x_ets_e3b0_get_total_bw(
  743. const struct link_params *params,
  744. const struct bnx2x_ets_params *ets_params,
  745. u16 *total_bw)
  746. {
  747. struct bnx2x *bp = params->bp;
  748. u8 cos_idx = 0;
  749. *total_bw = 0 ;
  750. /* Calculate total BW requested */
  751. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  752. if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
  753. *total_bw +=
  754. ets_params->cos[cos_idx].params.bw_params.bw;
  755. }
  756. }
  757. /* Check total BW is valid */
  758. if ((100 != *total_bw) || (0 == *total_bw)) {
  759. if (0 == *total_bw) {
  760. DP(NETIF_MSG_LINK,
  761. "bnx2x_ets_E3B0_config toatl BW shouldn't be 0\n");
  762. return -EINVAL;
  763. }
  764. DP(NETIF_MSG_LINK,
  765. "bnx2x_ets_E3B0_config toatl BW should be 100\n");
  766. /**
  767. * We can handle a case whre the BW isn't 100 this can happen
  768. * if the TC are joined.
  769. */
  770. }
  771. return 0;
  772. }
  773. /******************************************************************************
  774. * Description:
  775. * Invalidate all the sp_pri_to_cos.
  776. *.
  777. ******************************************************************************/
  778. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  779. {
  780. u8 pri = 0;
  781. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  782. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  783. }
  784. /******************************************************************************
  785. * Description:
  786. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  787. * according to sp_pri_to_cos.
  788. *.
  789. ******************************************************************************/
  790. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  791. u8 *sp_pri_to_cos, const u8 pri,
  792. const u8 cos_entry)
  793. {
  794. struct bnx2x *bp = params->bp;
  795. const u8 port = params->port;
  796. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  797. DCBX_E3B0_MAX_NUM_COS_PORT0;
  798. if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
  799. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  800. "parameter There can't be two COS's with "
  801. "the same strict pri\n");
  802. return -EINVAL;
  803. }
  804. if (pri > max_num_of_cos) {
  805. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  806. "parameter Illegal strict priority\n");
  807. return -EINVAL;
  808. }
  809. sp_pri_to_cos[pri] = cos_entry;
  810. return 0;
  811. }
  812. /******************************************************************************
  813. * Description:
  814. * Returns the correct value according to COS and priority in
  815. * the sp_pri_cli register.
  816. *.
  817. ******************************************************************************/
  818. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  819. const u8 pri_set,
  820. const u8 pri_offset,
  821. const u8 entry_size)
  822. {
  823. u64 pri_cli_nig = 0;
  824. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  825. (pri_set + pri_offset));
  826. return pri_cli_nig;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in the
  831. * sp_pri_cli register for NIG.
  832. *.
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  835. {
  836. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  837. const u8 nig_cos_offset = 3;
  838. const u8 nig_pri_offset = 3;
  839. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  840. nig_pri_offset, 4);
  841. }
  842. /******************************************************************************
  843. * Description:
  844. * Returns the correct value according to COS and priority in the
  845. * sp_pri_cli register for PBF.
  846. *.
  847. ******************************************************************************/
  848. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  849. {
  850. const u8 pbf_cos_offset = 0;
  851. const u8 pbf_pri_offset = 0;
  852. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  853. pbf_pri_offset, 3);
  854. }
  855. /******************************************************************************
  856. * Description:
  857. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  858. * according to sp_pri_to_cos.(which COS has higher priority)
  859. *.
  860. ******************************************************************************/
  861. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  862. u8 *sp_pri_to_cos)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. u8 i = 0;
  866. const u8 port = params->port;
  867. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  868. u64 pri_cli_nig = 0x210;
  869. u32 pri_cli_pbf = 0x0;
  870. u8 pri_set = 0;
  871. u8 pri_bitmask = 0;
  872. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  873. DCBX_E3B0_MAX_NUM_COS_PORT0;
  874. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  875. /* Set all the strict priority first */
  876. for (i = 0; i < max_num_of_cos; i++) {
  877. if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
  878. if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
  879. DP(NETIF_MSG_LINK,
  880. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  881. "invalid cos entry\n");
  882. return -EINVAL;
  883. }
  884. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  885. sp_pri_to_cos[i], pri_set);
  886. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  887. sp_pri_to_cos[i], pri_set);
  888. pri_bitmask = 1 << sp_pri_to_cos[i];
  889. /* COS is used remove it from bitmap.*/
  890. if (0 == (pri_bitmask & cos_bit_to_set)) {
  891. DP(NETIF_MSG_LINK,
  892. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  893. "invalid There can't be two COS's with"
  894. " the same strict pri\n");
  895. return -EINVAL;
  896. }
  897. cos_bit_to_set &= ~pri_bitmask;
  898. pri_set++;
  899. }
  900. }
  901. /* Set all the Non strict priority i= COS*/
  902. for (i = 0; i < max_num_of_cos; i++) {
  903. pri_bitmask = 1 << i;
  904. /* Check if COS was already used for SP */
  905. if (pri_bitmask & cos_bit_to_set) {
  906. /* COS wasn't used for SP */
  907. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  908. i, pri_set);
  909. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  910. i, pri_set);
  911. /* COS is used remove it from bitmap.*/
  912. cos_bit_to_set &= ~pri_bitmask;
  913. pri_set++;
  914. }
  915. }
  916. if (pri_set != max_num_of_cos) {
  917. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  918. "entries were set\n");
  919. return -EINVAL;
  920. }
  921. if (port) {
  922. /* Only 6 usable clients*/
  923. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  924. (u32)pri_cli_nig);
  925. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  926. } else {
  927. /* Only 9 usable clients*/
  928. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  929. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  930. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  931. pri_cli_nig_lsb);
  932. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  933. pri_cli_nig_msb);
  934. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  935. }
  936. return 0;
  937. }
  938. /******************************************************************************
  939. * Description:
  940. * Configure the COS to ETS according to BW and SP settings.
  941. ******************************************************************************/
  942. int bnx2x_ets_e3b0_config(const struct link_params *params,
  943. const struct link_vars *vars,
  944. const struct bnx2x_ets_params *ets_params)
  945. {
  946. struct bnx2x *bp = params->bp;
  947. int bnx2x_status = 0;
  948. const u8 port = params->port;
  949. u16 total_bw = 0;
  950. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  951. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  952. u8 cos_bw_bitmap = 0;
  953. u8 cos_sp_bitmap = 0;
  954. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  955. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  956. DCBX_E3B0_MAX_NUM_COS_PORT0;
  957. u8 cos_entry = 0;
  958. if (!CHIP_IS_E3B0(bp)) {
  959. DP(NETIF_MSG_LINK,
  960. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  961. return -EINVAL;
  962. }
  963. if ((ets_params->num_of_cos > max_num_of_cos)) {
  964. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  965. "isn't supported\n");
  966. return -EINVAL;
  967. }
  968. /* Prepare sp strict priority parameters*/
  969. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  970. /* Prepare BW parameters*/
  971. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  972. &total_bw);
  973. if (0 != bnx2x_status) {
  974. DP(NETIF_MSG_LINK,
  975. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  976. return -EINVAL;
  977. }
  978. /**
  979. * Upper bound is set according to current link speed (min_w_val
  980. * should be the same for upper bound and COS credit val).
  981. */
  982. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  983. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  984. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  985. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  986. cos_bw_bitmap |= (1 << cos_entry);
  987. /**
  988. * The function also sets the BW in HW(not the mappin
  989. * yet)
  990. */
  991. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  992. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  993. total_bw,
  994. ets_params->cos[cos_entry].params.bw_params.bw,
  995. port);
  996. } else if (bnx2x_cos_state_strict ==
  997. ets_params->cos[cos_entry].state){
  998. cos_sp_bitmap |= (1 << cos_entry);
  999. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1000. params,
  1001. sp_pri_to_cos,
  1002. ets_params->cos[cos_entry].params.sp_params.pri,
  1003. cos_entry);
  1004. } else {
  1005. DP(NETIF_MSG_LINK,
  1006. "bnx2x_ets_e3b0_config cos state not valid\n");
  1007. return -EINVAL;
  1008. }
  1009. if (0 != bnx2x_status) {
  1010. DP(NETIF_MSG_LINK,
  1011. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1012. return bnx2x_status;
  1013. }
  1014. }
  1015. /* Set SP register (which COS has higher priority) */
  1016. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1017. sp_pri_to_cos);
  1018. if (0 != bnx2x_status) {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1021. return bnx2x_status;
  1022. }
  1023. /* Set client mapping of BW and strict */
  1024. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1025. cos_sp_bitmap,
  1026. cos_bw_bitmap);
  1027. if (0 != bnx2x_status) {
  1028. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1029. return bnx2x_status;
  1030. }
  1031. return 0;
  1032. }
  1033. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1034. {
  1035. /* ETS disabled configuration */
  1036. struct bnx2x *bp = params->bp;
  1037. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1038. /*
  1039. * defines which entries (clients) are subjected to WFQ arbitration
  1040. * COS0 0x8
  1041. * COS1 0x10
  1042. */
  1043. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1044. /*
  1045. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  1046. * client numbers (WEIGHT_0 does not actually have to represent
  1047. * client 0)
  1048. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1049. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1050. */
  1051. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1052. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1053. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1054. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1055. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1056. /* ETS mode enabled*/
  1057. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1058. /* Defines the number of consecutive slots for the strict priority */
  1059. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1060. /*
  1061. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1062. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1063. * entry, 4 - COS1 entry.
  1064. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1065. * bit4 bit3 bit2 bit1 bit0
  1066. * MCP and debug are strict
  1067. */
  1068. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1069. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1070. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1071. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1072. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1073. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1074. }
  1075. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1076. const u32 cos1_bw)
  1077. {
  1078. /* ETS disabled configuration*/
  1079. struct bnx2x *bp = params->bp;
  1080. const u32 total_bw = cos0_bw + cos1_bw;
  1081. u32 cos0_credit_weight = 0;
  1082. u32 cos1_credit_weight = 0;
  1083. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1084. if ((0 == total_bw) ||
  1085. (0 == cos0_bw) ||
  1086. (0 == cos1_bw)) {
  1087. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1088. return;
  1089. }
  1090. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1091. total_bw;
  1092. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1093. total_bw;
  1094. bnx2x_ets_bw_limit_common(params);
  1095. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1097. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1098. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1099. }
  1100. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1101. {
  1102. /* ETS disabled configuration*/
  1103. struct bnx2x *bp = params->bp;
  1104. u32 val = 0;
  1105. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1106. /*
  1107. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1108. * as strict. Bits 0,1,2 - debug and management entries,
  1109. * 3 - COS0 entry, 4 - COS1 entry.
  1110. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1111. * bit4 bit3 bit2 bit1 bit0
  1112. * MCP and debug are strict
  1113. */
  1114. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1115. /*
  1116. * For strict priority entries defines the number of consecutive slots
  1117. * for the highest priority.
  1118. */
  1119. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1120. /* ETS mode disable */
  1121. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1122. /* Defines the number of consecutive slots for the strict priority */
  1123. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1126. /*
  1127. * mapping between entry priority to client number (0,1,2 -debug and
  1128. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1129. * 3bits client num.
  1130. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1131. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1132. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1133. */
  1134. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  1135. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1136. return 0;
  1137. }
  1138. /******************************************************************/
  1139. /* PFC section */
  1140. /******************************************************************/
  1141. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1142. struct link_vars *vars,
  1143. u8 is_lb)
  1144. {
  1145. struct bnx2x *bp = params->bp;
  1146. u32 xmac_base;
  1147. u32 pause_val, pfc0_val, pfc1_val;
  1148. /* XMAC base adrr */
  1149. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1150. /* Initialize pause and pfc registers */
  1151. pause_val = 0x18000;
  1152. pfc0_val = 0xFFFF8000;
  1153. pfc1_val = 0x2;
  1154. /* No PFC support */
  1155. if (!(params->feature_config_flags &
  1156. FEATURE_CONFIG_PFC_ENABLED)) {
  1157. /*
  1158. * RX flow control - Process pause frame in receive direction
  1159. */
  1160. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1161. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1162. /*
  1163. * TX flow control - Send pause packet when buffer is full
  1164. */
  1165. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1166. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1167. } else {/* PFC support */
  1168. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1169. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1170. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1171. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
  1172. }
  1173. /* Write pause and PFC registers */
  1174. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1175. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1176. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1177. /* Set MAC address for source TX Pause/PFC frames */
  1178. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1179. ((params->mac_addr[2] << 24) |
  1180. (params->mac_addr[3] << 16) |
  1181. (params->mac_addr[4] << 8) |
  1182. (params->mac_addr[5])));
  1183. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1184. ((params->mac_addr[0] << 8) |
  1185. (params->mac_addr[1])));
  1186. udelay(30);
  1187. }
  1188. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1189. u32 pfc_frames_sent[2],
  1190. u32 pfc_frames_received[2])
  1191. {
  1192. /* Read pfc statistic */
  1193. struct bnx2x *bp = params->bp;
  1194. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1195. u32 val_xon = 0;
  1196. u32 val_xoff = 0;
  1197. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1198. /* PFC received frames */
  1199. val_xoff = REG_RD(bp, emac_base +
  1200. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1201. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1202. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1203. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1204. pfc_frames_received[0] = val_xon + val_xoff;
  1205. /* PFC received sent */
  1206. val_xoff = REG_RD(bp, emac_base +
  1207. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1208. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1209. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1210. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1211. pfc_frames_sent[0] = val_xon + val_xoff;
  1212. }
  1213. /* Read pfc statistic*/
  1214. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1215. u32 pfc_frames_sent[2],
  1216. u32 pfc_frames_received[2])
  1217. {
  1218. /* Read pfc statistic */
  1219. struct bnx2x *bp = params->bp;
  1220. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1221. if (!vars->link_up)
  1222. return;
  1223. if (MAC_TYPE_EMAC == vars->mac_type) {
  1224. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1225. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1226. pfc_frames_received);
  1227. }
  1228. }
  1229. /******************************************************************/
  1230. /* MAC/PBF section */
  1231. /******************************************************************/
  1232. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1233. {
  1234. u32 mode, emac_base;
  1235. /**
  1236. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1237. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1238. */
  1239. if (CHIP_IS_E2(bp))
  1240. emac_base = GRCBASE_EMAC0;
  1241. else
  1242. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1243. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1244. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1245. EMAC_MDIO_MODE_CLOCK_CNT);
  1246. if (USES_WARPCORE(bp))
  1247. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1248. else
  1249. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1250. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1251. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1252. udelay(40);
  1253. }
  1254. static void bnx2x_emac_init(struct link_params *params,
  1255. struct link_vars *vars)
  1256. {
  1257. /* reset and unreset the emac core */
  1258. struct bnx2x *bp = params->bp;
  1259. u8 port = params->port;
  1260. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1261. u32 val;
  1262. u16 timeout;
  1263. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1264. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1265. udelay(5);
  1266. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1267. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1268. /* init emac - use read-modify-write */
  1269. /* self clear reset */
  1270. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1271. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1272. timeout = 200;
  1273. do {
  1274. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1275. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1276. if (!timeout) {
  1277. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1278. return;
  1279. }
  1280. timeout--;
  1281. } while (val & EMAC_MODE_RESET);
  1282. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1283. /* Set mac address */
  1284. val = ((params->mac_addr[0] << 8) |
  1285. params->mac_addr[1]);
  1286. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1287. val = ((params->mac_addr[2] << 24) |
  1288. (params->mac_addr[3] << 16) |
  1289. (params->mac_addr[4] << 8) |
  1290. params->mac_addr[5]);
  1291. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1292. }
  1293. static void bnx2x_set_xumac_nig(struct link_params *params,
  1294. u16 tx_pause_en,
  1295. u8 enable)
  1296. {
  1297. struct bnx2x *bp = params->bp;
  1298. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1299. enable);
  1300. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1301. enable);
  1302. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1303. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1304. }
  1305. static void bnx2x_umac_disable(struct link_params *params)
  1306. {
  1307. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1308. struct bnx2x *bp = params->bp;
  1309. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1310. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1311. return;
  1312. /* Disable RX and TX */
  1313. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1314. }
  1315. static void bnx2x_umac_enable(struct link_params *params,
  1316. struct link_vars *vars, u8 lb)
  1317. {
  1318. u32 val;
  1319. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1320. struct bnx2x *bp = params->bp;
  1321. /* Reset UMAC */
  1322. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1323. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1324. usleep_range(1000, 1000);
  1325. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1326. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1327. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1328. /**
  1329. * This register determines on which events the MAC will assert
  1330. * error on the i/f to the NIG along w/ EOP.
  1331. */
  1332. /**
  1333. * BD REG_WR(bp, NIG_REG_P0_MAC_RSV_ERR_MASK +
  1334. * params->port*0x14, 0xfffff.
  1335. */
  1336. /* This register opens the gate for the UMAC despite its name */
  1337. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1338. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1339. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1340. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1341. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1342. switch (vars->line_speed) {
  1343. case SPEED_10:
  1344. val |= (0<<2);
  1345. break;
  1346. case SPEED_100:
  1347. val |= (1<<2);
  1348. break;
  1349. case SPEED_1000:
  1350. val |= (2<<2);
  1351. break;
  1352. case SPEED_2500:
  1353. val |= (3<<2);
  1354. break;
  1355. default:
  1356. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1357. vars->line_speed);
  1358. break;
  1359. }
  1360. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1361. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1362. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1363. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1364. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1365. udelay(50);
  1366. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1367. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1368. ((params->mac_addr[2] << 24) |
  1369. (params->mac_addr[3] << 16) |
  1370. (params->mac_addr[4] << 8) |
  1371. (params->mac_addr[5])));
  1372. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1373. ((params->mac_addr[0] << 8) |
  1374. (params->mac_addr[1])));
  1375. /* Enable RX and TX */
  1376. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1377. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1378. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1379. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1380. udelay(50);
  1381. /* Remove SW Reset */
  1382. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1383. /* Check loopback mode */
  1384. if (lb)
  1385. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1386. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1387. /*
  1388. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1389. * length used by the MAC receive logic to check frames.
  1390. */
  1391. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1392. bnx2x_set_xumac_nig(params,
  1393. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1394. vars->mac_type = MAC_TYPE_UMAC;
  1395. }
  1396. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1397. {
  1398. u32 port4mode_ovwr_val;
  1399. /* Check 4-port override enabled */
  1400. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1401. if (port4mode_ovwr_val & (1<<0)) {
  1402. /* Return 4-port mode override value */
  1403. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1404. }
  1405. /* Return 4-port mode from input pin */
  1406. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1407. }
  1408. /* Define the XMAC mode */
  1409. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1410. {
  1411. struct bnx2x *bp = params->bp;
  1412. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1413. /**
  1414. * In 4-port mode, need to set the mode only once, so if XMAC is
  1415. * already out of reset, it means the mode has already been set,
  1416. * and it must not* reset the XMAC again, since it controls both
  1417. * ports of the path
  1418. **/
  1419. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1420. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1421. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1422. DP(NETIF_MSG_LINK,
  1423. "XMAC already out of reset in 4-port mode\n");
  1424. return;
  1425. }
  1426. /* Hard reset */
  1427. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1428. MISC_REGISTERS_RESET_REG_2_XMAC);
  1429. usleep_range(1000, 1000);
  1430. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1431. MISC_REGISTERS_RESET_REG_2_XMAC);
  1432. if (is_port4mode) {
  1433. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1434. /* Set the number of ports on the system side to up to 2 */
  1435. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1436. /* Set the number of ports on the Warp Core to 10G */
  1437. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1438. } else {
  1439. /* Set the number of ports on the system side to 1 */
  1440. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1441. if (max_speed == SPEED_10000) {
  1442. DP(NETIF_MSG_LINK,
  1443. "Init XMAC to 10G x 1 port per path\n");
  1444. /* Set the number of ports on the Warp Core to 10G */
  1445. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1446. } else {
  1447. DP(NETIF_MSG_LINK,
  1448. "Init XMAC to 20G x 2 ports per path\n");
  1449. /* Set the number of ports on the Warp Core to 20G */
  1450. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1451. }
  1452. }
  1453. /* Soft reset */
  1454. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1455. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1456. usleep_range(1000, 1000);
  1457. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1458. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1459. }
  1460. static void bnx2x_xmac_disable(struct link_params *params)
  1461. {
  1462. u8 port = params->port;
  1463. struct bnx2x *bp = params->bp;
  1464. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1465. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1466. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1467. /*
  1468. * Send an indication to change the state in the NIG back to XON
  1469. * Clearing this bit enables the next set of this bit to get
  1470. * rising edge
  1471. */
  1472. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1473. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1474. (pfc_ctrl & ~(1<<1)));
  1475. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1476. (pfc_ctrl | (1<<1)));
  1477. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1478. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1479. }
  1480. }
  1481. static int bnx2x_xmac_enable(struct link_params *params,
  1482. struct link_vars *vars, u8 lb)
  1483. {
  1484. u32 val, xmac_base;
  1485. struct bnx2x *bp = params->bp;
  1486. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1487. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1488. bnx2x_xmac_init(params, vars->line_speed);
  1489. /*
  1490. * This register determines on which events the MAC will assert
  1491. * error on the i/f to the NIG along w/ EOP.
  1492. */
  1493. /*
  1494. * This register tells the NIG whether to send traffic to UMAC
  1495. * or XMAC
  1496. */
  1497. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1498. /* Set Max packet size */
  1499. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1500. /* CRC append for Tx packets */
  1501. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1502. /* update PFC */
  1503. bnx2x_update_pfc_xmac(params, vars, 0);
  1504. /* Enable TX and RX */
  1505. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1506. /* Check loopback mode */
  1507. if (lb)
  1508. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1509. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1510. bnx2x_set_xumac_nig(params,
  1511. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1512. vars->mac_type = MAC_TYPE_XMAC;
  1513. return 0;
  1514. }
  1515. static int bnx2x_emac_enable(struct link_params *params,
  1516. struct link_vars *vars, u8 lb)
  1517. {
  1518. struct bnx2x *bp = params->bp;
  1519. u8 port = params->port;
  1520. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1521. u32 val;
  1522. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1523. /* Disable BMAC */
  1524. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1525. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1526. /* enable emac and not bmac */
  1527. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1528. /* ASIC */
  1529. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1530. u32 ser_lane = ((params->lane_config &
  1531. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1532. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1533. DP(NETIF_MSG_LINK, "XGXS\n");
  1534. /* select the master lanes (out of 0-3) */
  1535. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1536. /* select XGXS */
  1537. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1538. } else { /* SerDes */
  1539. DP(NETIF_MSG_LINK, "SerDes\n");
  1540. /* select SerDes */
  1541. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1542. }
  1543. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1544. EMAC_RX_MODE_RESET);
  1545. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1546. EMAC_TX_MODE_RESET);
  1547. if (CHIP_REV_IS_SLOW(bp)) {
  1548. /* config GMII mode */
  1549. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1550. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1551. } else { /* ASIC */
  1552. /* pause enable/disable */
  1553. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1554. EMAC_RX_MODE_FLOW_EN);
  1555. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1556. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1557. EMAC_TX_MODE_FLOW_EN));
  1558. if (!(params->feature_config_flags &
  1559. FEATURE_CONFIG_PFC_ENABLED)) {
  1560. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1561. bnx2x_bits_en(bp, emac_base +
  1562. EMAC_REG_EMAC_RX_MODE,
  1563. EMAC_RX_MODE_FLOW_EN);
  1564. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1565. bnx2x_bits_en(bp, emac_base +
  1566. EMAC_REG_EMAC_TX_MODE,
  1567. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1568. EMAC_TX_MODE_FLOW_EN));
  1569. } else
  1570. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1571. EMAC_TX_MODE_FLOW_EN);
  1572. }
  1573. /* KEEP_VLAN_TAG, promiscuous */
  1574. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1575. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1576. /*
  1577. * Setting this bit causes MAC control frames (except for pause
  1578. * frames) to be passed on for processing. This setting has no
  1579. * affect on the operation of the pause frames. This bit effects
  1580. * all packets regardless of RX Parser packet sorting logic.
  1581. * Turn the PFC off to make sure we are in Xon state before
  1582. * enabling it.
  1583. */
  1584. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1585. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1586. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1587. /* Enable PFC again */
  1588. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1589. EMAC_REG_RX_PFC_MODE_RX_EN |
  1590. EMAC_REG_RX_PFC_MODE_TX_EN |
  1591. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1592. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1593. ((0x0101 <<
  1594. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1595. (0x00ff <<
  1596. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1597. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1598. }
  1599. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1600. /* Set Loopback */
  1601. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1602. if (lb)
  1603. val |= 0x810;
  1604. else
  1605. val &= ~0x810;
  1606. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1607. /* enable emac */
  1608. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1609. /* enable emac for jumbo packets */
  1610. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1611. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1612. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1613. /* strip CRC */
  1614. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1615. /* disable the NIG in/out to the bmac */
  1616. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1617. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1618. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1619. /* enable the NIG in/out to the emac */
  1620. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1621. val = 0;
  1622. if ((params->feature_config_flags &
  1623. FEATURE_CONFIG_PFC_ENABLED) ||
  1624. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1625. val = 1;
  1626. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1627. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1628. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1629. vars->mac_type = MAC_TYPE_EMAC;
  1630. return 0;
  1631. }
  1632. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1633. struct link_vars *vars)
  1634. {
  1635. u32 wb_data[2];
  1636. struct bnx2x *bp = params->bp;
  1637. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1638. NIG_REG_INGRESS_BMAC0_MEM;
  1639. u32 val = 0x14;
  1640. if ((!(params->feature_config_flags &
  1641. FEATURE_CONFIG_PFC_ENABLED)) &&
  1642. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1643. /* Enable BigMAC to react on received Pause packets */
  1644. val |= (1<<5);
  1645. wb_data[0] = val;
  1646. wb_data[1] = 0;
  1647. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1648. /* tx control */
  1649. val = 0xc0;
  1650. if (!(params->feature_config_flags &
  1651. FEATURE_CONFIG_PFC_ENABLED) &&
  1652. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1653. val |= 0x800000;
  1654. wb_data[0] = val;
  1655. wb_data[1] = 0;
  1656. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1657. }
  1658. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1659. struct link_vars *vars,
  1660. u8 is_lb)
  1661. {
  1662. /*
  1663. * Set rx control: Strip CRC and enable BigMAC to relay
  1664. * control packets to the system as well
  1665. */
  1666. u32 wb_data[2];
  1667. struct bnx2x *bp = params->bp;
  1668. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1669. NIG_REG_INGRESS_BMAC0_MEM;
  1670. u32 val = 0x14;
  1671. if ((!(params->feature_config_flags &
  1672. FEATURE_CONFIG_PFC_ENABLED)) &&
  1673. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1674. /* Enable BigMAC to react on received Pause packets */
  1675. val |= (1<<5);
  1676. wb_data[0] = val;
  1677. wb_data[1] = 0;
  1678. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1679. udelay(30);
  1680. /* Tx control */
  1681. val = 0xc0;
  1682. if (!(params->feature_config_flags &
  1683. FEATURE_CONFIG_PFC_ENABLED) &&
  1684. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1685. val |= 0x800000;
  1686. wb_data[0] = val;
  1687. wb_data[1] = 0;
  1688. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1689. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1690. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1691. /* Enable PFC RX & TX & STATS and set 8 COS */
  1692. wb_data[0] = 0x0;
  1693. wb_data[0] |= (1<<0); /* RX */
  1694. wb_data[0] |= (1<<1); /* TX */
  1695. wb_data[0] |= (1<<2); /* Force initial Xon */
  1696. wb_data[0] |= (1<<3); /* 8 cos */
  1697. wb_data[0] |= (1<<5); /* STATS */
  1698. wb_data[1] = 0;
  1699. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1700. wb_data, 2);
  1701. /* Clear the force Xon */
  1702. wb_data[0] &= ~(1<<2);
  1703. } else {
  1704. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1705. /* disable PFC RX & TX & STATS and set 8 COS */
  1706. wb_data[0] = 0x8;
  1707. wb_data[1] = 0;
  1708. }
  1709. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1710. /*
  1711. * Set Time (based unit is 512 bit time) between automatic
  1712. * re-sending of PP packets amd enable automatic re-send of
  1713. * Per-Priroity Packet as long as pp_gen is asserted and
  1714. * pp_disable is low.
  1715. */
  1716. val = 0x8000;
  1717. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1718. val |= (1<<16); /* enable automatic re-send */
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1722. wb_data, 2);
  1723. /* mac control */
  1724. val = 0x3; /* Enable RX and TX */
  1725. if (is_lb) {
  1726. val |= 0x4; /* Local loopback */
  1727. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1728. }
  1729. /* When PFC enabled, Pass pause frames towards the NIG. */
  1730. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1731. val |= ((1<<6)|(1<<5));
  1732. wb_data[0] = val;
  1733. wb_data[1] = 0;
  1734. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1735. }
  1736. /* PFC BRB internal port configuration params */
  1737. struct bnx2x_pfc_brb_threshold_val {
  1738. u32 pause_xoff;
  1739. u32 pause_xon;
  1740. u32 full_xoff;
  1741. u32 full_xon;
  1742. };
  1743. struct bnx2x_pfc_brb_e3b0_val {
  1744. u32 full_lb_xoff_th;
  1745. u32 full_lb_xon_threshold;
  1746. u32 lb_guarantied;
  1747. u32 mac_0_class_t_guarantied;
  1748. u32 mac_0_class_t_guarantied_hyst;
  1749. u32 mac_1_class_t_guarantied;
  1750. u32 mac_1_class_t_guarantied_hyst;
  1751. };
  1752. struct bnx2x_pfc_brb_th_val {
  1753. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1754. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1755. };
  1756. static int bnx2x_pfc_brb_get_config_params(
  1757. struct link_params *params,
  1758. struct bnx2x_pfc_brb_th_val *config_val)
  1759. {
  1760. struct bnx2x *bp = params->bp;
  1761. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1762. if (CHIP_IS_E2(bp)) {
  1763. config_val->pauseable_th.pause_xoff =
  1764. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1765. config_val->pauseable_th.pause_xon =
  1766. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1767. config_val->pauseable_th.full_xoff =
  1768. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1769. config_val->pauseable_th.full_xon =
  1770. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1771. /* non pause able*/
  1772. config_val->non_pauseable_th.pause_xoff =
  1773. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1774. config_val->non_pauseable_th.pause_xon =
  1775. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1776. config_val->non_pauseable_th.full_xoff =
  1777. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1778. config_val->non_pauseable_th.full_xon =
  1779. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1780. } else if (CHIP_IS_E3A0(bp)) {
  1781. config_val->pauseable_th.pause_xoff =
  1782. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1783. config_val->pauseable_th.pause_xon =
  1784. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1785. config_val->pauseable_th.full_xoff =
  1786. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1787. config_val->pauseable_th.full_xon =
  1788. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1789. /* non pause able*/
  1790. config_val->non_pauseable_th.pause_xoff =
  1791. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.pause_xon =
  1793. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1794. config_val->non_pauseable_th.full_xoff =
  1795. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1796. config_val->non_pauseable_th.full_xon =
  1797. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1798. } else if (CHIP_IS_E3B0(bp)) {
  1799. if (params->phy[INT_PHY].flags &
  1800. FLAGS_4_PORT_MODE) {
  1801. config_val->pauseable_th.pause_xoff =
  1802. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1803. config_val->pauseable_th.pause_xon =
  1804. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1805. config_val->pauseable_th.full_xoff =
  1806. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1807. config_val->pauseable_th.full_xon =
  1808. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1809. /* non pause able*/
  1810. config_val->non_pauseable_th.pause_xoff =
  1811. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1812. config_val->non_pauseable_th.pause_xon =
  1813. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1814. config_val->non_pauseable_th.full_xoff =
  1815. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1816. config_val->non_pauseable_th.full_xon =
  1817. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1818. } else {
  1819. config_val->pauseable_th.pause_xoff =
  1820. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1821. config_val->pauseable_th.pause_xon =
  1822. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1823. config_val->pauseable_th.full_xoff =
  1824. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1825. config_val->pauseable_th.full_xon =
  1826. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1827. /* non pause able*/
  1828. config_val->non_pauseable_th.pause_xoff =
  1829. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1830. config_val->non_pauseable_th.pause_xon =
  1831. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1832. config_val->non_pauseable_th.full_xoff =
  1833. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1834. config_val->non_pauseable_th.full_xon =
  1835. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1836. }
  1837. } else
  1838. return -EINVAL;
  1839. return 0;
  1840. }
  1841. static void bnx2x_pfc_brb_get_e3b0_config_params(struct link_params *params,
  1842. struct bnx2x_pfc_brb_e3b0_val
  1843. *e3b0_val,
  1844. u32 cos0_pauseable,
  1845. u32 cos1_pauseable)
  1846. {
  1847. if (params->phy[INT_PHY].flags & FLAGS_4_PORT_MODE) {
  1848. e3b0_val->full_lb_xoff_th =
  1849. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1850. e3b0_val->full_lb_xon_threshold =
  1851. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1852. e3b0_val->lb_guarantied =
  1853. PFC_E3B0_4P_LB_GUART;
  1854. e3b0_val->mac_0_class_t_guarantied =
  1855. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1856. e3b0_val->mac_0_class_t_guarantied_hyst =
  1857. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1858. e3b0_val->mac_1_class_t_guarantied =
  1859. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1860. e3b0_val->mac_1_class_t_guarantied_hyst =
  1861. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1862. } else {
  1863. e3b0_val->full_lb_xoff_th =
  1864. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1865. e3b0_val->full_lb_xon_threshold =
  1866. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1867. e3b0_val->mac_0_class_t_guarantied_hyst =
  1868. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1869. e3b0_val->mac_1_class_t_guarantied =
  1870. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1871. e3b0_val->mac_1_class_t_guarantied_hyst =
  1872. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1873. if (cos0_pauseable != cos1_pauseable) {
  1874. /* nonpauseable= Lossy + pauseable = Lossless*/
  1875. e3b0_val->lb_guarantied =
  1876. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1877. e3b0_val->mac_0_class_t_guarantied =
  1878. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1879. } else if (cos0_pauseable) {
  1880. /* Lossless +Lossless*/
  1881. e3b0_val->lb_guarantied =
  1882. PFC_E3B0_2P_PAUSE_LB_GUART;
  1883. e3b0_val->mac_0_class_t_guarantied =
  1884. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1885. } else {
  1886. /* Lossy +Lossy*/
  1887. e3b0_val->lb_guarantied =
  1888. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1889. e3b0_val->mac_0_class_t_guarantied =
  1890. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1891. }
  1892. }
  1893. }
  1894. static int bnx2x_update_pfc_brb(struct link_params *params,
  1895. struct link_vars *vars,
  1896. struct bnx2x_nig_brb_pfc_port_params
  1897. *pfc_params)
  1898. {
  1899. struct bnx2x *bp = params->bp;
  1900. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1901. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1902. &config_val.pauseable_th;
  1903. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1904. int set_pfc = params->feature_config_flags &
  1905. FEATURE_CONFIG_PFC_ENABLED;
  1906. int bnx2x_status = 0;
  1907. u8 port = params->port;
  1908. /* default - pause configuration */
  1909. reg_th_config = &config_val.pauseable_th;
  1910. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1911. if (0 != bnx2x_status)
  1912. return bnx2x_status;
  1913. if (set_pfc && pfc_params)
  1914. /* First COS */
  1915. if (!pfc_params->cos0_pauseable)
  1916. reg_th_config = &config_val.non_pauseable_th;
  1917. /*
  1918. * The number of free blocks below which the pause signal to class 0
  1919. * of MAC #n is asserted. n=0,1
  1920. */
  1921. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1922. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1923. reg_th_config->pause_xoff);
  1924. /*
  1925. * The number of free blocks above which the pause signal to class 0
  1926. * of MAC #n is de-asserted. n=0,1
  1927. */
  1928. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1929. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1930. /*
  1931. * The number of free blocks below which the full signal to class 0
  1932. * of MAC #n is asserted. n=0,1
  1933. */
  1934. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1935. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1936. /*
  1937. * The number of free blocks above which the full signal to class 0
  1938. * of MAC #n is de-asserted. n=0,1
  1939. */
  1940. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1941. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  1942. if (set_pfc && pfc_params) {
  1943. /* Second COS */
  1944. if (pfc_params->cos1_pauseable)
  1945. reg_th_config = &config_val.pauseable_th;
  1946. else
  1947. reg_th_config = &config_val.non_pauseable_th;
  1948. /*
  1949. * The number of free blocks below which the pause signal to
  1950. * class 1 of MAC #n is asserted. n=0,1
  1951. **/
  1952. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  1953. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  1954. reg_th_config->pause_xoff);
  1955. /*
  1956. * The number of free blocks above which the pause signal to
  1957. * class 1 of MAC #n is de-asserted. n=0,1
  1958. */
  1959. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  1960. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  1961. reg_th_config->pause_xon);
  1962. /*
  1963. * The number of free blocks below which the full signal to
  1964. * class 1 of MAC #n is asserted. n=0,1
  1965. */
  1966. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  1967. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  1968. reg_th_config->full_xoff);
  1969. /*
  1970. * The number of free blocks above which the full signal to
  1971. * class 1 of MAC #n is de-asserted. n=0,1
  1972. */
  1973. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  1974. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  1975. reg_th_config->full_xon);
  1976. if (CHIP_IS_E3B0(bp)) {
  1977. /*Should be done by init tool */
  1978. /*
  1979. * BRB_empty_for_dup = BRB1_REG_BRB_EMPTY_THRESHOLD
  1980. * reset value
  1981. * 944
  1982. */
  1983. /**
  1984. * The hysteresis on the guarantied buffer space for the Lb port
  1985. * before signaling XON.
  1986. **/
  1987. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 80);
  1988. bnx2x_pfc_brb_get_e3b0_config_params(
  1989. params,
  1990. &e3b0_val,
  1991. pfc_params->cos0_pauseable,
  1992. pfc_params->cos1_pauseable);
  1993. /**
  1994. * The number of free blocks below which the full signal to the
  1995. * LB port is asserted.
  1996. */
  1997. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  1998. e3b0_val.full_lb_xoff_th);
  1999. /**
  2000. * The number of free blocks above which the full signal to the
  2001. * LB port is de-asserted.
  2002. */
  2003. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2004. e3b0_val.full_lb_xon_threshold);
  2005. /**
  2006. * The number of blocks guarantied for the MAC #n port. n=0,1
  2007. */
  2008. /*The number of blocks guarantied for the LB port.*/
  2009. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2010. e3b0_val.lb_guarantied);
  2011. /**
  2012. * The number of blocks guarantied for the MAC #n port.
  2013. */
  2014. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2015. 2 * e3b0_val.mac_0_class_t_guarantied);
  2016. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2017. 2 * e3b0_val.mac_1_class_t_guarantied);
  2018. /**
  2019. * The number of blocks guarantied for class #t in MAC0. t=0,1
  2020. */
  2021. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2022. e3b0_val.mac_0_class_t_guarantied);
  2023. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2024. e3b0_val.mac_0_class_t_guarantied);
  2025. /**
  2026. * The hysteresis on the guarantied buffer space for class in
  2027. * MAC0. t=0,1
  2028. */
  2029. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2030. e3b0_val.mac_0_class_t_guarantied_hyst);
  2031. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2032. e3b0_val.mac_0_class_t_guarantied_hyst);
  2033. /**
  2034. * The number of blocks guarantied for class #t in MAC1.t=0,1
  2035. */
  2036. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2037. e3b0_val.mac_1_class_t_guarantied);
  2038. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2039. e3b0_val.mac_1_class_t_guarantied);
  2040. /**
  2041. * The hysteresis on the guarantied buffer space for class #t
  2042. * in MAC1. t=0,1
  2043. */
  2044. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2045. e3b0_val.mac_1_class_t_guarantied_hyst);
  2046. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2047. e3b0_val.mac_1_class_t_guarantied_hyst);
  2048. }
  2049. }
  2050. return bnx2x_status;
  2051. }
  2052. /******************************************************************************
  2053. * Description:
  2054. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2055. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2056. ******************************************************************************/
  2057. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2058. u8 cos_entry,
  2059. u32 priority_mask, u8 port)
  2060. {
  2061. u32 nig_reg_rx_priority_mask_add = 0;
  2062. switch (cos_entry) {
  2063. case 0:
  2064. nig_reg_rx_priority_mask_add = (port) ?
  2065. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2066. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2067. break;
  2068. case 1:
  2069. nig_reg_rx_priority_mask_add = (port) ?
  2070. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2071. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2072. break;
  2073. case 2:
  2074. nig_reg_rx_priority_mask_add = (port) ?
  2075. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2076. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2077. break;
  2078. case 3:
  2079. if (port)
  2080. return -EINVAL;
  2081. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2082. break;
  2083. case 4:
  2084. if (port)
  2085. return -EINVAL;
  2086. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2087. break;
  2088. case 5:
  2089. if (port)
  2090. return -EINVAL;
  2091. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2092. break;
  2093. }
  2094. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2095. return 0;
  2096. }
  2097. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2098. {
  2099. struct bnx2x *bp = params->bp;
  2100. REG_WR(bp, params->shmem_base +
  2101. offsetof(struct shmem_region,
  2102. port_mb[params->port].link_status), link_status);
  2103. }
  2104. static void bnx2x_update_pfc_nig(struct link_params *params,
  2105. struct link_vars *vars,
  2106. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2107. {
  2108. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2109. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  2110. u32 pkt_priority_to_cos = 0;
  2111. struct bnx2x *bp = params->bp;
  2112. u8 port = params->port;
  2113. int set_pfc = params->feature_config_flags &
  2114. FEATURE_CONFIG_PFC_ENABLED;
  2115. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2116. /*
  2117. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2118. * MAC control frames (that are not pause packets)
  2119. * will be forwarded to the XCM.
  2120. */
  2121. xcm_mask = REG_RD(bp,
  2122. port ? NIG_REG_LLH1_XCM_MASK :
  2123. NIG_REG_LLH0_XCM_MASK);
  2124. /*
  2125. * nig params will override non PFC params, since it's possible to
  2126. * do transition from PFC to SAFC
  2127. */
  2128. if (set_pfc) {
  2129. pause_enable = 0;
  2130. llfc_out_en = 0;
  2131. llfc_enable = 0;
  2132. if (CHIP_IS_E3(bp))
  2133. ppp_enable = 0;
  2134. else
  2135. ppp_enable = 1;
  2136. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2137. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2138. xcm0_out_en = 0;
  2139. p0_hwpfc_enable = 1;
  2140. } else {
  2141. if (nig_params) {
  2142. llfc_out_en = nig_params->llfc_out_en;
  2143. llfc_enable = nig_params->llfc_enable;
  2144. pause_enable = nig_params->pause_enable;
  2145. } else /*defaul non PFC mode - PAUSE */
  2146. pause_enable = 1;
  2147. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2148. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2149. xcm0_out_en = 1;
  2150. }
  2151. if (CHIP_IS_E3(bp))
  2152. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2153. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2154. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2155. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2156. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2157. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2158. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2159. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2160. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2161. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2162. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2163. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2164. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2165. /* output enable for RX_XCM # IF */
  2166. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  2167. /* HW PFC TX enable */
  2168. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  2169. if (nig_params) {
  2170. u8 i = 0;
  2171. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2172. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2173. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2174. nig_params->rx_cos_priority_mask[i], port);
  2175. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2176. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2177. nig_params->llfc_high_priority_classes);
  2178. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2179. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2180. nig_params->llfc_low_priority_classes);
  2181. }
  2182. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2183. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2184. pkt_priority_to_cos);
  2185. }
  2186. int bnx2x_update_pfc(struct link_params *params,
  2187. struct link_vars *vars,
  2188. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2189. {
  2190. /*
  2191. * The PFC and pause are orthogonal to one another, meaning when
  2192. * PFC is enabled, the pause are disabled, and when PFC is
  2193. * disabled, pause are set according to the pause result.
  2194. */
  2195. u32 val;
  2196. struct bnx2x *bp = params->bp;
  2197. int bnx2x_status = 0;
  2198. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2199. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2200. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2201. else
  2202. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2203. bnx2x_update_mng(params, vars->link_status);
  2204. /* update NIG params */
  2205. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2206. /* update BRB params */
  2207. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2208. if (0 != bnx2x_status)
  2209. return bnx2x_status;
  2210. if (!vars->link_up)
  2211. return bnx2x_status;
  2212. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2213. if (CHIP_IS_E3(bp))
  2214. bnx2x_update_pfc_xmac(params, vars, 0);
  2215. else {
  2216. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2217. if ((val &
  2218. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2219. == 0) {
  2220. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2221. bnx2x_emac_enable(params, vars, 0);
  2222. return bnx2x_status;
  2223. }
  2224. if (CHIP_IS_E2(bp))
  2225. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2226. else
  2227. bnx2x_update_pfc_bmac1(params, vars);
  2228. val = 0;
  2229. if ((params->feature_config_flags &
  2230. FEATURE_CONFIG_PFC_ENABLED) ||
  2231. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2232. val = 1;
  2233. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2234. }
  2235. return bnx2x_status;
  2236. }
  2237. static int bnx2x_bmac1_enable(struct link_params *params,
  2238. struct link_vars *vars,
  2239. u8 is_lb)
  2240. {
  2241. struct bnx2x *bp = params->bp;
  2242. u8 port = params->port;
  2243. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2244. NIG_REG_INGRESS_BMAC0_MEM;
  2245. u32 wb_data[2];
  2246. u32 val;
  2247. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2248. /* XGXS control */
  2249. wb_data[0] = 0x3c;
  2250. wb_data[1] = 0;
  2251. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2252. wb_data, 2);
  2253. /* tx MAC SA */
  2254. wb_data[0] = ((params->mac_addr[2] << 24) |
  2255. (params->mac_addr[3] << 16) |
  2256. (params->mac_addr[4] << 8) |
  2257. params->mac_addr[5]);
  2258. wb_data[1] = ((params->mac_addr[0] << 8) |
  2259. params->mac_addr[1]);
  2260. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2261. /* mac control */
  2262. val = 0x3;
  2263. if (is_lb) {
  2264. val |= 0x4;
  2265. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2266. }
  2267. wb_data[0] = val;
  2268. wb_data[1] = 0;
  2269. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2270. /* set rx mtu */
  2271. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2272. wb_data[1] = 0;
  2273. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2274. bnx2x_update_pfc_bmac1(params, vars);
  2275. /* set tx mtu */
  2276. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2277. wb_data[1] = 0;
  2278. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2279. /* set cnt max size */
  2280. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2281. wb_data[1] = 0;
  2282. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2283. /* configure safc */
  2284. wb_data[0] = 0x1000200;
  2285. wb_data[1] = 0;
  2286. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2287. wb_data, 2);
  2288. return 0;
  2289. }
  2290. static int bnx2x_bmac2_enable(struct link_params *params,
  2291. struct link_vars *vars,
  2292. u8 is_lb)
  2293. {
  2294. struct bnx2x *bp = params->bp;
  2295. u8 port = params->port;
  2296. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2297. NIG_REG_INGRESS_BMAC0_MEM;
  2298. u32 wb_data[2];
  2299. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2300. wb_data[0] = 0;
  2301. wb_data[1] = 0;
  2302. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2303. udelay(30);
  2304. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2305. wb_data[0] = 0x3c;
  2306. wb_data[1] = 0;
  2307. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2308. wb_data, 2);
  2309. udelay(30);
  2310. /* tx MAC SA */
  2311. wb_data[0] = ((params->mac_addr[2] << 24) |
  2312. (params->mac_addr[3] << 16) |
  2313. (params->mac_addr[4] << 8) |
  2314. params->mac_addr[5]);
  2315. wb_data[1] = ((params->mac_addr[0] << 8) |
  2316. params->mac_addr[1]);
  2317. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2318. wb_data, 2);
  2319. udelay(30);
  2320. /* Configure SAFC */
  2321. wb_data[0] = 0x1000200;
  2322. wb_data[1] = 0;
  2323. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2324. wb_data, 2);
  2325. udelay(30);
  2326. /* set rx mtu */
  2327. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2328. wb_data[1] = 0;
  2329. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2330. udelay(30);
  2331. /* set tx mtu */
  2332. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2333. wb_data[1] = 0;
  2334. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2335. udelay(30);
  2336. /* set cnt max size */
  2337. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2338. wb_data[1] = 0;
  2339. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2340. udelay(30);
  2341. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2342. return 0;
  2343. }
  2344. static int bnx2x_bmac_enable(struct link_params *params,
  2345. struct link_vars *vars,
  2346. u8 is_lb)
  2347. {
  2348. int rc = 0;
  2349. u8 port = params->port;
  2350. struct bnx2x *bp = params->bp;
  2351. u32 val;
  2352. /* reset and unreset the BigMac */
  2353. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2354. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2355. msleep(1);
  2356. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2357. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2358. /* enable access for bmac registers */
  2359. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2360. /* Enable BMAC according to BMAC type*/
  2361. if (CHIP_IS_E2(bp))
  2362. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2363. else
  2364. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2365. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2366. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2367. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2368. val = 0;
  2369. if ((params->feature_config_flags &
  2370. FEATURE_CONFIG_PFC_ENABLED) ||
  2371. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2372. val = 1;
  2373. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2374. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2375. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2376. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2377. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2378. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2379. vars->mac_type = MAC_TYPE_BMAC;
  2380. return rc;
  2381. }
  2382. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2383. {
  2384. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2385. NIG_REG_INGRESS_BMAC0_MEM;
  2386. u32 wb_data[2];
  2387. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2388. /* Only if the bmac is out of reset */
  2389. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2390. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2391. nig_bmac_enable) {
  2392. if (CHIP_IS_E2(bp)) {
  2393. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2394. REG_RD_DMAE(bp, bmac_addr +
  2395. BIGMAC2_REGISTER_BMAC_CONTROL,
  2396. wb_data, 2);
  2397. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2398. REG_WR_DMAE(bp, bmac_addr +
  2399. BIGMAC2_REGISTER_BMAC_CONTROL,
  2400. wb_data, 2);
  2401. } else {
  2402. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2403. REG_RD_DMAE(bp, bmac_addr +
  2404. BIGMAC_REGISTER_BMAC_CONTROL,
  2405. wb_data, 2);
  2406. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2407. REG_WR_DMAE(bp, bmac_addr +
  2408. BIGMAC_REGISTER_BMAC_CONTROL,
  2409. wb_data, 2);
  2410. }
  2411. msleep(1);
  2412. }
  2413. }
  2414. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2415. u32 line_speed)
  2416. {
  2417. struct bnx2x *bp = params->bp;
  2418. u8 port = params->port;
  2419. u32 init_crd, crd;
  2420. u32 count = 1000;
  2421. /* disable port */
  2422. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2423. /* wait for init credit */
  2424. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2425. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2426. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2427. while ((init_crd != crd) && count) {
  2428. msleep(5);
  2429. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2430. count--;
  2431. }
  2432. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2433. if (init_crd != crd) {
  2434. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2435. init_crd, crd);
  2436. return -EINVAL;
  2437. }
  2438. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2439. line_speed == SPEED_10 ||
  2440. line_speed == SPEED_100 ||
  2441. line_speed == SPEED_1000 ||
  2442. line_speed == SPEED_2500) {
  2443. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2444. /* update threshold */
  2445. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2446. /* update init credit */
  2447. init_crd = 778; /* (800-18-4) */
  2448. } else {
  2449. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2450. ETH_OVREHEAD)/16;
  2451. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2452. /* update threshold */
  2453. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2454. /* update init credit */
  2455. switch (line_speed) {
  2456. case SPEED_10000:
  2457. init_crd = thresh + 553 - 22;
  2458. break;
  2459. default:
  2460. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2461. line_speed);
  2462. return -EINVAL;
  2463. }
  2464. }
  2465. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2466. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2467. line_speed, init_crd);
  2468. /* probe the credit changes */
  2469. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2470. msleep(5);
  2471. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2472. /* enable port */
  2473. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2474. return 0;
  2475. }
  2476. /**
  2477. * bnx2x_get_emac_base - retrive emac base address
  2478. *
  2479. * @bp: driver handle
  2480. * @mdc_mdio_access: access type
  2481. * @port: port id
  2482. *
  2483. * This function selects the MDC/MDIO access (through emac0 or
  2484. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2485. * phy has a default access mode, which could also be overridden
  2486. * by nvram configuration. This parameter, whether this is the
  2487. * default phy configuration, or the nvram overrun
  2488. * configuration, is passed here as mdc_mdio_access and selects
  2489. * the emac_base for the CL45 read/writes operations
  2490. */
  2491. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2492. u32 mdc_mdio_access, u8 port)
  2493. {
  2494. u32 emac_base = 0;
  2495. switch (mdc_mdio_access) {
  2496. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2497. break;
  2498. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2499. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2500. emac_base = GRCBASE_EMAC1;
  2501. else
  2502. emac_base = GRCBASE_EMAC0;
  2503. break;
  2504. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2505. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2506. emac_base = GRCBASE_EMAC0;
  2507. else
  2508. emac_base = GRCBASE_EMAC1;
  2509. break;
  2510. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2511. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2512. break;
  2513. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2514. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2515. break;
  2516. default:
  2517. break;
  2518. }
  2519. return emac_base;
  2520. }
  2521. /******************************************************************/
  2522. /* CL22 access functions */
  2523. /******************************************************************/
  2524. static int bnx2x_cl22_write(struct bnx2x *bp,
  2525. struct bnx2x_phy *phy,
  2526. u16 reg, u16 val)
  2527. {
  2528. u32 tmp, mode;
  2529. u8 i;
  2530. int rc = 0;
  2531. /* Switch to CL22 */
  2532. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2533. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2534. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2535. /* address */
  2536. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2537. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2538. EMAC_MDIO_COMM_START_BUSY);
  2539. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2540. for (i = 0; i < 50; i++) {
  2541. udelay(10);
  2542. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2543. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2544. udelay(5);
  2545. break;
  2546. }
  2547. }
  2548. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2549. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2550. rc = -EFAULT;
  2551. }
  2552. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2553. return rc;
  2554. }
  2555. static int bnx2x_cl22_read(struct bnx2x *bp,
  2556. struct bnx2x_phy *phy,
  2557. u16 reg, u16 *ret_val)
  2558. {
  2559. u32 val, mode;
  2560. u16 i;
  2561. int rc = 0;
  2562. /* Switch to CL22 */
  2563. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2564. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2565. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2566. /* address */
  2567. val = ((phy->addr << 21) | (reg << 16) |
  2568. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2569. EMAC_MDIO_COMM_START_BUSY);
  2570. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2571. for (i = 0; i < 50; i++) {
  2572. udelay(10);
  2573. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2574. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2575. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2576. udelay(5);
  2577. break;
  2578. }
  2579. }
  2580. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2581. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2582. *ret_val = 0;
  2583. rc = -EFAULT;
  2584. }
  2585. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2586. return rc;
  2587. }
  2588. /******************************************************************/
  2589. /* CL45 access functions */
  2590. /******************************************************************/
  2591. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2592. u8 devad, u16 reg, u16 *ret_val)
  2593. {
  2594. u32 val;
  2595. u16 i;
  2596. int rc = 0;
  2597. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2598. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2599. EMAC_MDIO_STATUS_10MB);
  2600. /* address */
  2601. val = ((phy->addr << 21) | (devad << 16) | reg |
  2602. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2603. EMAC_MDIO_COMM_START_BUSY);
  2604. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2605. for (i = 0; i < 50; i++) {
  2606. udelay(10);
  2607. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2608. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2609. udelay(5);
  2610. break;
  2611. }
  2612. }
  2613. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2614. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2615. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2616. *ret_val = 0;
  2617. rc = -EFAULT;
  2618. } else {
  2619. /* data */
  2620. val = ((phy->addr << 21) | (devad << 16) |
  2621. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2622. EMAC_MDIO_COMM_START_BUSY);
  2623. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2624. for (i = 0; i < 50; i++) {
  2625. udelay(10);
  2626. val = REG_RD(bp, phy->mdio_ctrl +
  2627. EMAC_REG_EMAC_MDIO_COMM);
  2628. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2629. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2630. break;
  2631. }
  2632. }
  2633. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2634. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2635. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2636. *ret_val = 0;
  2637. rc = -EFAULT;
  2638. }
  2639. }
  2640. /* Work around for E3 A0 */
  2641. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2642. phy->flags ^= FLAGS_DUMMY_READ;
  2643. if (phy->flags & FLAGS_DUMMY_READ) {
  2644. u16 temp_val;
  2645. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2646. }
  2647. }
  2648. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2649. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2650. EMAC_MDIO_STATUS_10MB);
  2651. return rc;
  2652. }
  2653. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2654. u8 devad, u16 reg, u16 val)
  2655. {
  2656. u32 tmp;
  2657. u8 i;
  2658. int rc = 0;
  2659. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2660. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2661. EMAC_MDIO_STATUS_10MB);
  2662. /* address */
  2663. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2664. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2665. EMAC_MDIO_COMM_START_BUSY);
  2666. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2667. for (i = 0; i < 50; i++) {
  2668. udelay(10);
  2669. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2670. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2671. udelay(5);
  2672. break;
  2673. }
  2674. }
  2675. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2676. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2677. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2678. rc = -EFAULT;
  2679. } else {
  2680. /* data */
  2681. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2682. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2683. EMAC_MDIO_COMM_START_BUSY);
  2684. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2685. for (i = 0; i < 50; i++) {
  2686. udelay(10);
  2687. tmp = REG_RD(bp, phy->mdio_ctrl +
  2688. EMAC_REG_EMAC_MDIO_COMM);
  2689. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2690. udelay(5);
  2691. break;
  2692. }
  2693. }
  2694. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2695. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2696. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2697. rc = -EFAULT;
  2698. }
  2699. }
  2700. /* Work around for E3 A0 */
  2701. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2702. phy->flags ^= FLAGS_DUMMY_READ;
  2703. if (phy->flags & FLAGS_DUMMY_READ) {
  2704. u16 temp_val;
  2705. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2706. }
  2707. }
  2708. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2709. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2710. EMAC_MDIO_STATUS_10MB);
  2711. return rc;
  2712. }
  2713. /******************************************************************/
  2714. /* BSC access functions from E3 */
  2715. /******************************************************************/
  2716. static void bnx2x_bsc_module_sel(struct link_params *params)
  2717. {
  2718. int idx;
  2719. u32 board_cfg, sfp_ctrl;
  2720. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2721. struct bnx2x *bp = params->bp;
  2722. u8 port = params->port;
  2723. /* Read I2C output PINs */
  2724. board_cfg = REG_RD(bp, params->shmem_base +
  2725. offsetof(struct shmem_region,
  2726. dev_info.shared_hw_config.board));
  2727. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2728. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2729. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2730. /* Read I2C output value */
  2731. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2732. offsetof(struct shmem_region,
  2733. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2734. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2735. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2736. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2737. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2738. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2739. }
  2740. static int bnx2x_bsc_read(struct link_params *params,
  2741. struct bnx2x_phy *phy,
  2742. u8 sl_devid,
  2743. u16 sl_addr,
  2744. u8 lc_addr,
  2745. u8 xfer_cnt,
  2746. u32 *data_array)
  2747. {
  2748. u32 val, i;
  2749. int rc = 0;
  2750. struct bnx2x *bp = params->bp;
  2751. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2752. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2753. return -EINVAL;
  2754. }
  2755. if (xfer_cnt > 16) {
  2756. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2757. xfer_cnt);
  2758. return -EINVAL;
  2759. }
  2760. bnx2x_bsc_module_sel(params);
  2761. xfer_cnt = 16 - lc_addr;
  2762. /* enable the engine */
  2763. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2764. val |= MCPR_IMC_COMMAND_ENABLE;
  2765. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2766. /* program slave device ID */
  2767. val = (sl_devid << 16) | sl_addr;
  2768. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2769. /* start xfer with 0 byte to update the address pointer ???*/
  2770. val = (MCPR_IMC_COMMAND_ENABLE) |
  2771. (MCPR_IMC_COMMAND_WRITE_OP <<
  2772. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2773. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2774. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2775. /* poll for completion */
  2776. i = 0;
  2777. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2778. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2779. udelay(10);
  2780. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2781. if (i++ > 1000) {
  2782. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2783. i);
  2784. rc = -EFAULT;
  2785. break;
  2786. }
  2787. }
  2788. if (rc == -EFAULT)
  2789. return rc;
  2790. /* start xfer with read op */
  2791. val = (MCPR_IMC_COMMAND_ENABLE) |
  2792. (MCPR_IMC_COMMAND_READ_OP <<
  2793. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2794. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2795. (xfer_cnt);
  2796. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2797. /* poll for completion */
  2798. i = 0;
  2799. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2800. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2801. udelay(10);
  2802. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2803. if (i++ > 1000) {
  2804. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2805. rc = -EFAULT;
  2806. break;
  2807. }
  2808. }
  2809. if (rc == -EFAULT)
  2810. return rc;
  2811. for (i = (lc_addr >> 2); i < 4; i++) {
  2812. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2813. #ifdef __BIG_ENDIAN
  2814. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2815. ((data_array[i] & 0x0000ff00) << 8) |
  2816. ((data_array[i] & 0x00ff0000) >> 8) |
  2817. ((data_array[i] & 0xff000000) >> 24);
  2818. #endif
  2819. }
  2820. return rc;
  2821. }
  2822. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2823. u8 devad, u16 reg, u16 or_val)
  2824. {
  2825. u16 val;
  2826. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2827. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2828. }
  2829. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2830. u8 devad, u16 reg, u16 *ret_val)
  2831. {
  2832. u8 phy_index;
  2833. /*
  2834. * Probe for the phy according to the given phy_addr, and execute
  2835. * the read request on it
  2836. */
  2837. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2838. if (params->phy[phy_index].addr == phy_addr) {
  2839. return bnx2x_cl45_read(params->bp,
  2840. &params->phy[phy_index], devad,
  2841. reg, ret_val);
  2842. }
  2843. }
  2844. return -EINVAL;
  2845. }
  2846. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2847. u8 devad, u16 reg, u16 val)
  2848. {
  2849. u8 phy_index;
  2850. /*
  2851. * Probe for the phy according to the given phy_addr, and execute
  2852. * the write request on it
  2853. */
  2854. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2855. if (params->phy[phy_index].addr == phy_addr) {
  2856. return bnx2x_cl45_write(params->bp,
  2857. &params->phy[phy_index], devad,
  2858. reg, val);
  2859. }
  2860. }
  2861. return -EINVAL;
  2862. }
  2863. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2864. struct link_params *params)
  2865. {
  2866. u8 lane = 0;
  2867. struct bnx2x *bp = params->bp;
  2868. u32 path_swap, path_swap_ovr;
  2869. u8 path, port;
  2870. path = BP_PATH(bp);
  2871. port = params->port;
  2872. if (bnx2x_is_4_port_mode(bp)) {
  2873. u32 port_swap, port_swap_ovr;
  2874. /*figure out path swap value */
  2875. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2876. if (path_swap_ovr & 0x1)
  2877. path_swap = (path_swap_ovr & 0x2);
  2878. else
  2879. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2880. if (path_swap)
  2881. path = path ^ 1;
  2882. /*figure out port swap value */
  2883. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2884. if (port_swap_ovr & 0x1)
  2885. port_swap = (port_swap_ovr & 0x2);
  2886. else
  2887. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2888. if (port_swap)
  2889. port = port ^ 1;
  2890. lane = (port<<1) + path;
  2891. } else { /* two port mode - no port swap */
  2892. /*figure out path swap value */
  2893. path_swap_ovr =
  2894. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2895. if (path_swap_ovr & 0x1) {
  2896. path_swap = (path_swap_ovr & 0x2);
  2897. } else {
  2898. path_swap =
  2899. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2900. }
  2901. if (path_swap)
  2902. path = path ^ 1;
  2903. lane = path << 1 ;
  2904. }
  2905. return lane;
  2906. }
  2907. static void bnx2x_set_aer_mmd(struct link_params *params,
  2908. struct bnx2x_phy *phy)
  2909. {
  2910. u32 ser_lane;
  2911. u16 offset, aer_val;
  2912. struct bnx2x *bp = params->bp;
  2913. ser_lane = ((params->lane_config &
  2914. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2915. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2916. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2917. (phy->addr + ser_lane) : 0;
  2918. if (USES_WARPCORE(bp)) {
  2919. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2920. /*
  2921. * In Dual-lane mode, two lanes are joined together,
  2922. * so in order to configure them, the AER broadcast method is
  2923. * used here.
  2924. * 0x200 is the broadcast address for lanes 0,1
  2925. * 0x201 is the broadcast address for lanes 2,3
  2926. */
  2927. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2928. aer_val = (aer_val >> 1) | 0x200;
  2929. } else if (CHIP_IS_E2(bp))
  2930. aer_val = 0x3800 + offset - 1;
  2931. else
  2932. aer_val = 0x3800 + offset;
  2933. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  2934. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2935. MDIO_AER_BLOCK_AER_REG, aer_val);
  2936. }
  2937. /******************************************************************/
  2938. /* Internal phy section */
  2939. /******************************************************************/
  2940. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2941. {
  2942. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2943. /* Set Clause 22 */
  2944. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2945. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2946. udelay(500);
  2947. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2948. udelay(500);
  2949. /* Set Clause 45 */
  2950. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2951. }
  2952. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2953. {
  2954. u32 val;
  2955. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2956. val = SERDES_RESET_BITS << (port*16);
  2957. /* reset and unreset the SerDes/XGXS */
  2958. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2959. udelay(500);
  2960. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2961. bnx2x_set_serdes_access(bp, port);
  2962. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2963. DEFAULT_PHY_DEV_ADDR);
  2964. }
  2965. static void bnx2x_xgxs_deassert(struct link_params *params)
  2966. {
  2967. struct bnx2x *bp = params->bp;
  2968. u8 port;
  2969. u32 val;
  2970. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2971. port = params->port;
  2972. val = XGXS_RESET_BITS << (port*16);
  2973. /* reset and unreset the SerDes/XGXS */
  2974. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2975. udelay(500);
  2976. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2977. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  2978. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  2979. params->phy[INT_PHY].def_md_devad);
  2980. }
  2981. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2982. struct link_params *params, u16 *ieee_fc)
  2983. {
  2984. struct bnx2x *bp = params->bp;
  2985. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2986. /**
  2987. * resolve pause mode and advertisement Please refer to Table
  2988. * 28B-3 of the 802.3ab-1999 spec
  2989. */
  2990. switch (phy->req_flow_ctrl) {
  2991. case BNX2X_FLOW_CTRL_AUTO:
  2992. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2993. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2994. else
  2995. *ieee_fc |=
  2996. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2997. break;
  2998. case BNX2X_FLOW_CTRL_TX:
  2999. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3000. break;
  3001. case BNX2X_FLOW_CTRL_RX:
  3002. case BNX2X_FLOW_CTRL_BOTH:
  3003. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3004. break;
  3005. case BNX2X_FLOW_CTRL_NONE:
  3006. default:
  3007. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3008. break;
  3009. }
  3010. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3011. }
  3012. static void set_phy_vars(struct link_params *params,
  3013. struct link_vars *vars)
  3014. {
  3015. struct bnx2x *bp = params->bp;
  3016. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3017. u8 phy_config_swapped = params->multi_phy_config &
  3018. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3019. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3020. phy_index++) {
  3021. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3022. actual_phy_idx = phy_index;
  3023. if (phy_config_swapped) {
  3024. if (phy_index == EXT_PHY1)
  3025. actual_phy_idx = EXT_PHY2;
  3026. else if (phy_index == EXT_PHY2)
  3027. actual_phy_idx = EXT_PHY1;
  3028. }
  3029. params->phy[actual_phy_idx].req_flow_ctrl =
  3030. params->req_flow_ctrl[link_cfg_idx];
  3031. params->phy[actual_phy_idx].req_line_speed =
  3032. params->req_line_speed[link_cfg_idx];
  3033. params->phy[actual_phy_idx].speed_cap_mask =
  3034. params->speed_cap_mask[link_cfg_idx];
  3035. params->phy[actual_phy_idx].req_duplex =
  3036. params->req_duplex[link_cfg_idx];
  3037. if (params->req_line_speed[link_cfg_idx] ==
  3038. SPEED_AUTO_NEG)
  3039. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3040. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3041. " speed_cap_mask %x\n",
  3042. params->phy[actual_phy_idx].req_flow_ctrl,
  3043. params->phy[actual_phy_idx].req_line_speed,
  3044. params->phy[actual_phy_idx].speed_cap_mask);
  3045. }
  3046. }
  3047. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3048. struct bnx2x_phy *phy,
  3049. struct link_vars *vars)
  3050. {
  3051. u16 val;
  3052. struct bnx2x *bp = params->bp;
  3053. /* read modify write pause advertizing */
  3054. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3055. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3056. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3057. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3058. if ((vars->ieee_fc &
  3059. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3060. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3061. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3062. }
  3063. if ((vars->ieee_fc &
  3064. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3065. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3066. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3067. }
  3068. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3069. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3070. }
  3071. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3072. { /* LD LP */
  3073. switch (pause_result) { /* ASYM P ASYM P */
  3074. case 0xb: /* 1 0 1 1 */
  3075. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3076. break;
  3077. case 0xe: /* 1 1 1 0 */
  3078. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3079. break;
  3080. case 0x5: /* 0 1 0 1 */
  3081. case 0x7: /* 0 1 1 1 */
  3082. case 0xd: /* 1 1 0 1 */
  3083. case 0xf: /* 1 1 1 1 */
  3084. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3085. break;
  3086. default:
  3087. break;
  3088. }
  3089. if (pause_result & (1<<0))
  3090. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3091. if (pause_result & (1<<1))
  3092. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3093. }
  3094. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3095. struct link_params *params,
  3096. struct link_vars *vars)
  3097. {
  3098. struct bnx2x *bp = params->bp;
  3099. u16 ld_pause; /* local */
  3100. u16 lp_pause; /* link partner */
  3101. u16 pause_result;
  3102. u8 ret = 0;
  3103. /* read twice */
  3104. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3105. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3106. vars->flow_ctrl = phy->req_flow_ctrl;
  3107. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3108. vars->flow_ctrl = params->req_fc_auto_adv;
  3109. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3110. ret = 1;
  3111. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3112. bnx2x_cl22_read(bp, phy,
  3113. 0x4, &ld_pause);
  3114. bnx2x_cl22_read(bp, phy,
  3115. 0x5, &lp_pause);
  3116. } else {
  3117. bnx2x_cl45_read(bp, phy,
  3118. MDIO_AN_DEVAD,
  3119. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3120. bnx2x_cl45_read(bp, phy,
  3121. MDIO_AN_DEVAD,
  3122. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3123. }
  3124. pause_result = (ld_pause &
  3125. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3126. pause_result |= (lp_pause &
  3127. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3128. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3129. pause_result);
  3130. bnx2x_pause_resolve(vars, pause_result);
  3131. }
  3132. return ret;
  3133. }
  3134. /******************************************************************/
  3135. /* Warpcore section */
  3136. /******************************************************************/
  3137. /* The init_internal_warpcore should mirror the xgxs,
  3138. * i.e. reset the lane (if needed), set aer for the
  3139. * init configuration, and set/clear SGMII flag. Internal
  3140. * phy init is done purely in phy_init stage.
  3141. */
  3142. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3143. struct link_params *params,
  3144. struct link_vars *vars) {
  3145. u16 val16 = 0, lane, bam37 = 0;
  3146. struct bnx2x *bp = params->bp;
  3147. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3148. /* Disable Autoneg: re-enable it after adv is done. */
  3149. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3150. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3151. /* Check adding advertisement for 1G KX */
  3152. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3153. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3154. (vars->line_speed == SPEED_1000)) {
  3155. u16 sd_digital;
  3156. val16 |= (1<<5);
  3157. /* Enable CL37 1G Parallel Detect */
  3158. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3160. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3161. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3162. (sd_digital | 0x1));
  3163. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3164. }
  3165. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3166. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3167. (vars->line_speed == SPEED_10000)) {
  3168. /* Check adding advertisement for 10G KR */
  3169. val16 |= (1<<7);
  3170. /* Enable 10G Parallel Detect */
  3171. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3172. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3173. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3174. }
  3175. /* Set Transmit PMD settings */
  3176. lane = bnx2x_get_warpcore_lane(phy, params);
  3177. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3178. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3179. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3180. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3181. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3182. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3183. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3184. 0x03f0);
  3185. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3186. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3187. 0x03f0);
  3188. /* Advertised speeds */
  3189. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3190. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3191. /* Advertised and set FEC (Forward Error Correction) */
  3192. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3193. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3194. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3195. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3196. /* Enable CL37 BAM */
  3197. if (REG_RD(bp, params->shmem_base +
  3198. offsetof(struct shmem_region, dev_info.
  3199. port_hw_config[params->port].default_cfg)) &
  3200. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3201. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3203. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3204. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3205. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3206. }
  3207. /* Advertise pause */
  3208. bnx2x_ext_phy_set_pause(params, phy, vars);
  3209. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3210. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3211. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3212. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3213. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3214. /* Over 1G - AN local device user page 1 */
  3215. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3216. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3217. /* Enable Autoneg */
  3218. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3219. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1000);
  3220. }
  3221. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3222. struct link_params *params,
  3223. struct link_vars *vars)
  3224. {
  3225. struct bnx2x *bp = params->bp;
  3226. u16 val;
  3227. /* Disable Autoneg */
  3228. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3230. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3231. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3234. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3235. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3236. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3237. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3240. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3241. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3242. /* Disable CL36 PCS Tx */
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3245. /* Double Wide Single Data Rate @ pll rate */
  3246. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3248. /* Leave cl72 training enable, needed for KR */
  3249. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3250. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3251. 0x2);
  3252. /* Leave CL72 enabled */
  3253. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3255. &val);
  3256. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3257. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3258. val | 0x3800);
  3259. /* Set speed via PMA/PMD register */
  3260. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3261. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3262. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3263. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3264. /*Enable encoded forced speed */
  3265. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3266. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3267. /* Turn TX scramble payload only the 64/66 scrambler */
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3270. /* Turn RX scramble payload only the 64/66 scrambler */
  3271. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3273. /* set and clear loopback to cause a reset to 64/66 decoder */
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3276. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3278. }
  3279. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3280. struct link_params *params,
  3281. u8 is_xfi)
  3282. {
  3283. struct bnx2x *bp = params->bp;
  3284. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3285. /* Hold rxSeqStart */
  3286. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3290. /* Hold tx_fifo_reset */
  3291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3293. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3295. /* Disable CL73 AN */
  3296. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3297. /* Disable 100FX Enable and Auto-Detect */
  3298. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3299. MDIO_WC_REG_FX100_CTRL1, &val);
  3300. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3302. /* Disable 100FX Idle detect */
  3303. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_FX100_CTRL3, &val);
  3305. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3307. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3308. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3310. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3312. /* Turn off auto-detect & fiber mode */
  3313. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3315. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3317. (val & 0xFFEE));
  3318. /* Set filter_force_link, disable_false_link and parallel_detect */
  3319. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3320. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3321. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3323. ((val | 0x0006) & 0xFFFE));
  3324. /* Set XFI / SFI */
  3325. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3326. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3327. misc1_val &= ~(0x1f);
  3328. if (is_xfi) {
  3329. misc1_val |= 0x5;
  3330. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3331. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3332. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3333. tx_driver_val =
  3334. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3335. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3336. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3337. } else {
  3338. misc1_val |= 0x9;
  3339. tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3340. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3341. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3342. tx_driver_val =
  3343. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3344. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3345. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3346. }
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3349. /* Set Transmit PMD settings */
  3350. lane = bnx2x_get_warpcore_lane(phy, params);
  3351. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3352. MDIO_WC_REG_TX_FIR_TAP,
  3353. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3354. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3356. tx_driver_val);
  3357. /* Enable fiber mode, enable and invert sig_det */
  3358. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3362. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3363. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3367. /* 10G XFI Full Duplex */
  3368. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3370. /* Release tx_fifo_reset */
  3371. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3375. /* Release rxSeqStart */
  3376. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3378. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3380. }
  3381. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3382. struct bnx2x_phy *phy)
  3383. {
  3384. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3385. }
  3386. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3387. struct bnx2x_phy *phy,
  3388. u16 lane)
  3389. {
  3390. /* Rx0 anaRxControl1G */
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3393. /* Rx2 anaRxControl1G */
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3402. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3408. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3412. /* Serdes Digital Misc1 */
  3413. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3415. /* Serdes Digital4 Misc3 */
  3416. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3418. /* Set Transmit PMD settings */
  3419. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_TX_FIR_TAP,
  3421. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3422. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3423. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3424. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3425. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3427. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3428. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3429. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3430. }
  3431. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3432. struct link_params *params,
  3433. u8 fiber_mode)
  3434. {
  3435. struct bnx2x *bp = params->bp;
  3436. u16 val16, digctrl_kx1, digctrl_kx2;
  3437. u8 lane;
  3438. lane = bnx2x_get_warpcore_lane(phy, params);
  3439. /* Clear XFI clock comp in non-10G single lane mode. */
  3440. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_RX66_CONTROL, &val16);
  3442. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3444. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  3445. /* SGMII Autoneg */
  3446. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3448. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3450. val16 | 0x1000);
  3451. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3452. } else {
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3455. val16 &= 0xcfbf;
  3456. switch (phy->req_line_speed) {
  3457. case SPEED_10:
  3458. break;
  3459. case SPEED_100:
  3460. val16 |= 0x2000;
  3461. break;
  3462. case SPEED_1000:
  3463. val16 |= 0x0040;
  3464. break;
  3465. default:
  3466. DP(NETIF_MSG_LINK,
  3467. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3468. return;
  3469. }
  3470. if (phy->req_duplex == DUPLEX_FULL)
  3471. val16 |= 0x0100;
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3474. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3475. phy->req_line_speed);
  3476. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3478. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3479. }
  3480. /* SGMII Slave mode and disable signal detect */
  3481. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3483. if (fiber_mode)
  3484. digctrl_kx1 = 1;
  3485. else
  3486. digctrl_kx1 &= 0xff4a;
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3489. digctrl_kx1);
  3490. /* Turn off parallel detect */
  3491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3495. (digctrl_kx2 & ~(1<<2)));
  3496. /* Re-enable parallel detect */
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3499. (digctrl_kx2 | (1<<2)));
  3500. /* Enable autodet */
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3503. (digctrl_kx1 | 0x10));
  3504. }
  3505. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3506. struct bnx2x_phy *phy,
  3507. u8 reset)
  3508. {
  3509. u16 val;
  3510. /* Take lane out of reset after configuration is finished */
  3511. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3513. if (reset)
  3514. val |= 0xC000;
  3515. else
  3516. val &= 0x3FFF;
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3519. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3521. }
  3522. /* Clear SFI/XFI link settings registers */
  3523. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3524. struct link_params *params,
  3525. u16 lane)
  3526. {
  3527. struct bnx2x *bp = params->bp;
  3528. u16 val16;
  3529. /* Set XFI clock comp as default. */
  3530. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_RX66_CONTROL, &val16);
  3532. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3534. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3535. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3546. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3550. lane = bnx2x_get_warpcore_lane(phy, params);
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3559. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3560. }
  3561. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3562. u32 chip_id,
  3563. u32 shmem_base, u8 port,
  3564. u8 *gpio_num, u8 *gpio_port)
  3565. {
  3566. u32 cfg_pin;
  3567. *gpio_num = 0;
  3568. *gpio_port = 0;
  3569. if (CHIP_IS_E3(bp)) {
  3570. cfg_pin = (REG_RD(bp, shmem_base +
  3571. offsetof(struct shmem_region,
  3572. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3573. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3574. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3575. /*
  3576. * Should not happen. This function called upon interrupt
  3577. * triggered by GPIO ( since EPIO can only generate interrupts
  3578. * to MCP).
  3579. * So if this function was called and none of the GPIOs was set,
  3580. * it means the shit hit the fan.
  3581. */
  3582. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3583. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3584. DP(NETIF_MSG_LINK,
  3585. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3586. cfg_pin);
  3587. return -EINVAL;
  3588. }
  3589. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3590. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3591. } else {
  3592. *gpio_num = MISC_REGISTERS_GPIO_3;
  3593. *gpio_port = port;
  3594. }
  3595. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3596. return 0;
  3597. }
  3598. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3599. struct link_params *params)
  3600. {
  3601. struct bnx2x *bp = params->bp;
  3602. u8 gpio_num, gpio_port;
  3603. u32 gpio_val;
  3604. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3605. params->shmem_base, params->port,
  3606. &gpio_num, &gpio_port) != 0)
  3607. return 0;
  3608. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3609. /* Call the handling function in case module is detected */
  3610. if (gpio_val == 0)
  3611. return 1;
  3612. else
  3613. return 0;
  3614. }
  3615. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3616. struct link_params *params)
  3617. {
  3618. u16 gp2_status_reg0, lane;
  3619. struct bnx2x *bp = params->bp;
  3620. lane = bnx2x_get_warpcore_lane(phy, params);
  3621. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3622. &gp2_status_reg0);
  3623. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3624. }
  3625. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3626. struct link_params *params,
  3627. struct link_vars *vars)
  3628. {
  3629. struct bnx2x *bp = params->bp;
  3630. u32 serdes_net_if;
  3631. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3632. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3633. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3634. if (!vars->turn_to_run_wc_rt)
  3635. return;
  3636. /* return if there is no link partner */
  3637. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3638. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3639. return;
  3640. }
  3641. if (vars->rx_tx_asic_rst) {
  3642. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3643. offsetof(struct shmem_region, dev_info.
  3644. port_hw_config[params->port].default_cfg)) &
  3645. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3646. switch (serdes_net_if) {
  3647. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3648. /* Do we get link yet? */
  3649. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3650. &gp_status1);
  3651. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3652. /*10G KR*/
  3653. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3654. DP(NETIF_MSG_LINK,
  3655. "gp_status1 0x%x\n", gp_status1);
  3656. if (lnkup_kr || lnkup) {
  3657. vars->rx_tx_asic_rst = 0;
  3658. DP(NETIF_MSG_LINK,
  3659. "link up, rx_tx_asic_rst 0x%x\n",
  3660. vars->rx_tx_asic_rst);
  3661. } else {
  3662. /*reset the lane to see if link comes up.*/
  3663. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3664. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3665. /* restart Autoneg */
  3666. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3667. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3668. vars->rx_tx_asic_rst--;
  3669. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3670. vars->rx_tx_asic_rst);
  3671. }
  3672. break;
  3673. default:
  3674. break;
  3675. }
  3676. } /*params->rx_tx_asic_rst*/
  3677. }
  3678. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3679. struct link_params *params,
  3680. struct link_vars *vars)
  3681. {
  3682. struct bnx2x *bp = params->bp;
  3683. u32 serdes_net_if;
  3684. u8 fiber_mode;
  3685. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3686. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3687. offsetof(struct shmem_region, dev_info.
  3688. port_hw_config[params->port].default_cfg)) &
  3689. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3690. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3691. "serdes_net_if = 0x%x\n",
  3692. vars->line_speed, serdes_net_if);
  3693. bnx2x_set_aer_mmd(params, phy);
  3694. vars->phy_flags |= PHY_XGXS_FLAG;
  3695. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3696. (phy->req_line_speed &&
  3697. ((phy->req_line_speed == SPEED_100) ||
  3698. (phy->req_line_speed == SPEED_10)))) {
  3699. vars->phy_flags |= PHY_SGMII_FLAG;
  3700. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3701. bnx2x_warpcore_clear_regs(phy, params, lane);
  3702. bnx2x_warpcore_set_sgmii_speed(phy, params, 0);
  3703. } else {
  3704. switch (serdes_net_if) {
  3705. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3706. /* Enable KR Auto Neg */
  3707. if (params->loopback_mode == LOOPBACK_NONE)
  3708. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3709. else {
  3710. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3711. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3712. }
  3713. break;
  3714. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3715. bnx2x_warpcore_clear_regs(phy, params, lane);
  3716. if (vars->line_speed == SPEED_10000) {
  3717. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3718. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3719. } else {
  3720. if (SINGLE_MEDIA_DIRECT(params)) {
  3721. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3722. fiber_mode = 1;
  3723. } else {
  3724. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3725. fiber_mode = 0;
  3726. }
  3727. bnx2x_warpcore_set_sgmii_speed(phy,
  3728. params,
  3729. fiber_mode);
  3730. }
  3731. break;
  3732. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3733. bnx2x_warpcore_clear_regs(phy, params, lane);
  3734. if (vars->line_speed == SPEED_10000) {
  3735. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3736. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3737. } else if (vars->line_speed == SPEED_1000) {
  3738. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3739. bnx2x_warpcore_set_sgmii_speed(phy, params, 1);
  3740. }
  3741. /* Issue Module detection */
  3742. if (bnx2x_is_sfp_module_plugged(phy, params))
  3743. bnx2x_sfp_module_detection(phy, params);
  3744. break;
  3745. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3746. if (vars->line_speed != SPEED_20000) {
  3747. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3748. return;
  3749. }
  3750. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3751. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3752. /* Issue Module detection */
  3753. bnx2x_sfp_module_detection(phy, params);
  3754. break;
  3755. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3756. if (vars->line_speed != SPEED_20000) {
  3757. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3758. return;
  3759. }
  3760. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3761. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3762. break;
  3763. default:
  3764. DP(NETIF_MSG_LINK,
  3765. "Unsupported Serdes Net Interface 0x%x\n",
  3766. serdes_net_if);
  3767. return;
  3768. }
  3769. }
  3770. /* Take lane out of reset after configuration is finished */
  3771. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3772. DP(NETIF_MSG_LINK, "Exit config init\n");
  3773. }
  3774. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3775. struct bnx2x_phy *phy,
  3776. u8 tx_en)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u32 cfg_pin;
  3780. u8 port = params->port;
  3781. cfg_pin = REG_RD(bp, params->shmem_base +
  3782. offsetof(struct shmem_region,
  3783. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3784. PORT_HW_CFG_TX_LASER_MASK;
  3785. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3786. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3787. /* For 20G, the expected pin to be used is 3 pins after the current */
  3788. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3789. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3790. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3791. }
  3792. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3793. struct link_params *params)
  3794. {
  3795. struct bnx2x *bp = params->bp;
  3796. u16 val16;
  3797. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3798. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3799. bnx2x_set_aer_mmd(params, phy);
  3800. /* Global register */
  3801. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3802. /* Clear loopback settings (if any) */
  3803. /* 10G & 20G */
  3804. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3805. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3806. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3807. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3808. 0xBFFF);
  3809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3810. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3811. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3812. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3813. /* Update those 1-copy registers */
  3814. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3815. MDIO_AER_BLOCK_AER_REG, 0);
  3816. /* Enable 1G MDIO (1-copy) */
  3817. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3818. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3819. &val16);
  3820. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3821. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3822. val16 & ~0x10);
  3823. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3824. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3825. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3826. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3827. val16 & 0xff00);
  3828. }
  3829. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3830. struct link_params *params)
  3831. {
  3832. struct bnx2x *bp = params->bp;
  3833. u16 val16;
  3834. u32 lane;
  3835. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3836. params->loopback_mode, phy->req_line_speed);
  3837. if (phy->req_line_speed < SPEED_10000) {
  3838. /* 10/100/1000 */
  3839. /* Update those 1-copy registers */
  3840. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3841. MDIO_AER_BLOCK_AER_REG, 0);
  3842. /* Enable 1G MDIO (1-copy) */
  3843. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3844. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3845. &val16);
  3846. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3847. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3848. val16 | 0x10);
  3849. /* Set 1G loopback based on lane (1-copy) */
  3850. lane = bnx2x_get_warpcore_lane(phy, params);
  3851. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3852. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3853. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3854. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3855. val16 | (1<<lane));
  3856. /* Switch back to 4-copy registers */
  3857. bnx2x_set_aer_mmd(params, phy);
  3858. /* Global loopback, not recommended. */
  3859. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3860. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3861. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3862. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3863. 0x4000);
  3864. } else {
  3865. /* 10G & 20G */
  3866. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3867. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3868. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3869. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3870. 0x4000);
  3871. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3872. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3873. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3874. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3875. }
  3876. }
  3877. void bnx2x_link_status_update(struct link_params *params,
  3878. struct link_vars *vars)
  3879. {
  3880. struct bnx2x *bp = params->bp;
  3881. u8 link_10g_plus;
  3882. u8 port = params->port;
  3883. u32 sync_offset, media_types;
  3884. /* Update PHY configuration */
  3885. set_phy_vars(params, vars);
  3886. vars->link_status = REG_RD(bp, params->shmem_base +
  3887. offsetof(struct shmem_region,
  3888. port_mb[port].link_status));
  3889. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3890. vars->phy_flags = PHY_XGXS_FLAG;
  3891. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3892. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3893. if (vars->link_up) {
  3894. DP(NETIF_MSG_LINK, "phy link up\n");
  3895. vars->phy_link_up = 1;
  3896. vars->duplex = DUPLEX_FULL;
  3897. switch (vars->link_status &
  3898. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3899. case LINK_10THD:
  3900. vars->duplex = DUPLEX_HALF;
  3901. /* fall thru */
  3902. case LINK_10TFD:
  3903. vars->line_speed = SPEED_10;
  3904. break;
  3905. case LINK_100TXHD:
  3906. vars->duplex = DUPLEX_HALF;
  3907. /* fall thru */
  3908. case LINK_100T4:
  3909. case LINK_100TXFD:
  3910. vars->line_speed = SPEED_100;
  3911. break;
  3912. case LINK_1000THD:
  3913. vars->duplex = DUPLEX_HALF;
  3914. /* fall thru */
  3915. case LINK_1000TFD:
  3916. vars->line_speed = SPEED_1000;
  3917. break;
  3918. case LINK_2500THD:
  3919. vars->duplex = DUPLEX_HALF;
  3920. /* fall thru */
  3921. case LINK_2500TFD:
  3922. vars->line_speed = SPEED_2500;
  3923. break;
  3924. case LINK_10GTFD:
  3925. vars->line_speed = SPEED_10000;
  3926. break;
  3927. case LINK_20GTFD:
  3928. vars->line_speed = SPEED_20000;
  3929. break;
  3930. default:
  3931. break;
  3932. }
  3933. vars->flow_ctrl = 0;
  3934. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3935. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3936. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3937. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3938. if (!vars->flow_ctrl)
  3939. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3940. if (vars->line_speed &&
  3941. ((vars->line_speed == SPEED_10) ||
  3942. (vars->line_speed == SPEED_100))) {
  3943. vars->phy_flags |= PHY_SGMII_FLAG;
  3944. } else {
  3945. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3946. }
  3947. if (vars->line_speed &&
  3948. USES_WARPCORE(bp) &&
  3949. (vars->line_speed == SPEED_1000))
  3950. vars->phy_flags |= PHY_SGMII_FLAG;
  3951. /* anything 10 and over uses the bmac */
  3952. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3953. if (link_10g_plus) {
  3954. if (USES_WARPCORE(bp))
  3955. vars->mac_type = MAC_TYPE_XMAC;
  3956. else
  3957. vars->mac_type = MAC_TYPE_BMAC;
  3958. } else {
  3959. if (USES_WARPCORE(bp))
  3960. vars->mac_type = MAC_TYPE_UMAC;
  3961. else
  3962. vars->mac_type = MAC_TYPE_EMAC;
  3963. }
  3964. } else { /* link down */
  3965. DP(NETIF_MSG_LINK, "phy link down\n");
  3966. vars->phy_link_up = 0;
  3967. vars->line_speed = 0;
  3968. vars->duplex = DUPLEX_FULL;
  3969. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3970. /* indicate no mac active */
  3971. vars->mac_type = MAC_TYPE_NONE;
  3972. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3973. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3974. }
  3975. /* Sync media type */
  3976. sync_offset = params->shmem_base +
  3977. offsetof(struct shmem_region,
  3978. dev_info.port_hw_config[port].media_type);
  3979. media_types = REG_RD(bp, sync_offset);
  3980. params->phy[INT_PHY].media_type =
  3981. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3982. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3983. params->phy[EXT_PHY1].media_type =
  3984. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3985. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3986. params->phy[EXT_PHY2].media_type =
  3987. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3988. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3989. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3990. /* Sync AEU offset */
  3991. sync_offset = params->shmem_base +
  3992. offsetof(struct shmem_region,
  3993. dev_info.port_hw_config[port].aeu_int_mask);
  3994. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3995. /* Sync PFC status */
  3996. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3997. params->feature_config_flags |=
  3998. FEATURE_CONFIG_PFC_ENABLED;
  3999. else
  4000. params->feature_config_flags &=
  4001. ~FEATURE_CONFIG_PFC_ENABLED;
  4002. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4003. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4004. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4005. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4006. }
  4007. static void bnx2x_set_master_ln(struct link_params *params,
  4008. struct bnx2x_phy *phy)
  4009. {
  4010. struct bnx2x *bp = params->bp;
  4011. u16 new_master_ln, ser_lane;
  4012. ser_lane = ((params->lane_config &
  4013. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4014. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4015. /* set the master_ln for AN */
  4016. CL22_RD_OVER_CL45(bp, phy,
  4017. MDIO_REG_BANK_XGXS_BLOCK2,
  4018. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4019. &new_master_ln);
  4020. CL22_WR_OVER_CL45(bp, phy,
  4021. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4022. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4023. (new_master_ln | ser_lane));
  4024. }
  4025. static int bnx2x_reset_unicore(struct link_params *params,
  4026. struct bnx2x_phy *phy,
  4027. u8 set_serdes)
  4028. {
  4029. struct bnx2x *bp = params->bp;
  4030. u16 mii_control;
  4031. u16 i;
  4032. CL22_RD_OVER_CL45(bp, phy,
  4033. MDIO_REG_BANK_COMBO_IEEE0,
  4034. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4035. /* reset the unicore */
  4036. CL22_WR_OVER_CL45(bp, phy,
  4037. MDIO_REG_BANK_COMBO_IEEE0,
  4038. MDIO_COMBO_IEEE0_MII_CONTROL,
  4039. (mii_control |
  4040. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4041. if (set_serdes)
  4042. bnx2x_set_serdes_access(bp, params->port);
  4043. /* wait for the reset to self clear */
  4044. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4045. udelay(5);
  4046. /* the reset erased the previous bank value */
  4047. CL22_RD_OVER_CL45(bp, phy,
  4048. MDIO_REG_BANK_COMBO_IEEE0,
  4049. MDIO_COMBO_IEEE0_MII_CONTROL,
  4050. &mii_control);
  4051. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4052. udelay(5);
  4053. return 0;
  4054. }
  4055. }
  4056. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4057. " Port %d\n",
  4058. params->port);
  4059. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4060. return -EINVAL;
  4061. }
  4062. static void bnx2x_set_swap_lanes(struct link_params *params,
  4063. struct bnx2x_phy *phy)
  4064. {
  4065. struct bnx2x *bp = params->bp;
  4066. /*
  4067. * Each two bits represents a lane number:
  4068. * No swap is 0123 => 0x1b no need to enable the swap
  4069. */
  4070. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  4071. ser_lane = ((params->lane_config &
  4072. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4073. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4074. rx_lane_swap = ((params->lane_config &
  4075. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4076. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4077. tx_lane_swap = ((params->lane_config &
  4078. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4079. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4080. if (rx_lane_swap != 0x1b) {
  4081. CL22_WR_OVER_CL45(bp, phy,
  4082. MDIO_REG_BANK_XGXS_BLOCK2,
  4083. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4084. (rx_lane_swap |
  4085. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4086. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4087. } else {
  4088. CL22_WR_OVER_CL45(bp, phy,
  4089. MDIO_REG_BANK_XGXS_BLOCK2,
  4090. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4091. }
  4092. if (tx_lane_swap != 0x1b) {
  4093. CL22_WR_OVER_CL45(bp, phy,
  4094. MDIO_REG_BANK_XGXS_BLOCK2,
  4095. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4096. (tx_lane_swap |
  4097. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4098. } else {
  4099. CL22_WR_OVER_CL45(bp, phy,
  4100. MDIO_REG_BANK_XGXS_BLOCK2,
  4101. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4102. }
  4103. }
  4104. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4105. struct link_params *params)
  4106. {
  4107. struct bnx2x *bp = params->bp;
  4108. u16 control2;
  4109. CL22_RD_OVER_CL45(bp, phy,
  4110. MDIO_REG_BANK_SERDES_DIGITAL,
  4111. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4112. &control2);
  4113. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4114. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4115. else
  4116. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4117. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4118. phy->speed_cap_mask, control2);
  4119. CL22_WR_OVER_CL45(bp, phy,
  4120. MDIO_REG_BANK_SERDES_DIGITAL,
  4121. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4122. control2);
  4123. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4124. (phy->speed_cap_mask &
  4125. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4126. DP(NETIF_MSG_LINK, "XGXS\n");
  4127. CL22_WR_OVER_CL45(bp, phy,
  4128. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4129. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4130. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4131. CL22_RD_OVER_CL45(bp, phy,
  4132. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4133. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4134. &control2);
  4135. control2 |=
  4136. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4137. CL22_WR_OVER_CL45(bp, phy,
  4138. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4139. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4140. control2);
  4141. /* Disable parallel detection of HiG */
  4142. CL22_WR_OVER_CL45(bp, phy,
  4143. MDIO_REG_BANK_XGXS_BLOCK2,
  4144. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4145. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4146. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4147. }
  4148. }
  4149. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4150. struct link_params *params,
  4151. struct link_vars *vars,
  4152. u8 enable_cl73)
  4153. {
  4154. struct bnx2x *bp = params->bp;
  4155. u16 reg_val;
  4156. /* CL37 Autoneg */
  4157. CL22_RD_OVER_CL45(bp, phy,
  4158. MDIO_REG_BANK_COMBO_IEEE0,
  4159. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4160. /* CL37 Autoneg Enabled */
  4161. if (vars->line_speed == SPEED_AUTO_NEG)
  4162. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4163. else /* CL37 Autoneg Disabled */
  4164. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4165. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4166. CL22_WR_OVER_CL45(bp, phy,
  4167. MDIO_REG_BANK_COMBO_IEEE0,
  4168. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4169. /* Enable/Disable Autodetection */
  4170. CL22_RD_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_SERDES_DIGITAL,
  4172. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4173. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4174. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4175. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4176. if (vars->line_speed == SPEED_AUTO_NEG)
  4177. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4178. else
  4179. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4180. CL22_WR_OVER_CL45(bp, phy,
  4181. MDIO_REG_BANK_SERDES_DIGITAL,
  4182. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4183. /* Enable TetonII and BAM autoneg */
  4184. CL22_RD_OVER_CL45(bp, phy,
  4185. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4186. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4187. &reg_val);
  4188. if (vars->line_speed == SPEED_AUTO_NEG) {
  4189. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4190. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4191. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4192. } else {
  4193. /* TetonII and BAM Autoneg Disabled */
  4194. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4195. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4196. }
  4197. CL22_WR_OVER_CL45(bp, phy,
  4198. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4199. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4200. reg_val);
  4201. if (enable_cl73) {
  4202. /* Enable Cl73 FSM status bits */
  4203. CL22_WR_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_CL73_USERB0,
  4205. MDIO_CL73_USERB0_CL73_UCTRL,
  4206. 0xe);
  4207. /* Enable BAM Station Manager*/
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_CL73_USERB0,
  4210. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4211. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4212. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4213. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4214. /* Advertise CL73 link speeds */
  4215. CL22_RD_OVER_CL45(bp, phy,
  4216. MDIO_REG_BANK_CL73_IEEEB1,
  4217. MDIO_CL73_IEEEB1_AN_ADV2,
  4218. &reg_val);
  4219. if (phy->speed_cap_mask &
  4220. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4221. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4222. if (phy->speed_cap_mask &
  4223. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4224. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4225. CL22_WR_OVER_CL45(bp, phy,
  4226. MDIO_REG_BANK_CL73_IEEEB1,
  4227. MDIO_CL73_IEEEB1_AN_ADV2,
  4228. reg_val);
  4229. /* CL73 Autoneg Enabled */
  4230. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4231. } else /* CL73 Autoneg Disabled */
  4232. reg_val = 0;
  4233. CL22_WR_OVER_CL45(bp, phy,
  4234. MDIO_REG_BANK_CL73_IEEEB0,
  4235. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4236. }
  4237. /* program SerDes, forced speed */
  4238. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4239. struct link_params *params,
  4240. struct link_vars *vars)
  4241. {
  4242. struct bnx2x *bp = params->bp;
  4243. u16 reg_val;
  4244. /* program duplex, disable autoneg and sgmii*/
  4245. CL22_RD_OVER_CL45(bp, phy,
  4246. MDIO_REG_BANK_COMBO_IEEE0,
  4247. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4248. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4249. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4250. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4251. if (phy->req_duplex == DUPLEX_FULL)
  4252. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4253. CL22_WR_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_COMBO_IEEE0,
  4255. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4256. /*
  4257. * program speed
  4258. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4259. */
  4260. CL22_RD_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_SERDES_DIGITAL,
  4262. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4263. /* clearing the speed value before setting the right speed */
  4264. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4265. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4266. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4267. if (!((vars->line_speed == SPEED_1000) ||
  4268. (vars->line_speed == SPEED_100) ||
  4269. (vars->line_speed == SPEED_10))) {
  4270. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4271. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4272. if (vars->line_speed == SPEED_10000)
  4273. reg_val |=
  4274. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4275. }
  4276. CL22_WR_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_SERDES_DIGITAL,
  4278. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4279. }
  4280. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4281. struct link_params *params)
  4282. {
  4283. struct bnx2x *bp = params->bp;
  4284. u16 val = 0;
  4285. /* configure the 48 bits for BAM AN */
  4286. /* set extended capabilities */
  4287. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4288. val |= MDIO_OVER_1G_UP1_2_5G;
  4289. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4290. val |= MDIO_OVER_1G_UP1_10G;
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_OVER_1G,
  4293. MDIO_OVER_1G_UP1, val);
  4294. CL22_WR_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_OVER_1G,
  4296. MDIO_OVER_1G_UP3, 0x400);
  4297. }
  4298. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4299. struct link_params *params,
  4300. u16 ieee_fc)
  4301. {
  4302. struct bnx2x *bp = params->bp;
  4303. u16 val;
  4304. /* for AN, we are always publishing full duplex */
  4305. CL22_WR_OVER_CL45(bp, phy,
  4306. MDIO_REG_BANK_COMBO_IEEE0,
  4307. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4308. CL22_RD_OVER_CL45(bp, phy,
  4309. MDIO_REG_BANK_CL73_IEEEB1,
  4310. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4311. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4312. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4313. CL22_WR_OVER_CL45(bp, phy,
  4314. MDIO_REG_BANK_CL73_IEEEB1,
  4315. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4316. }
  4317. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4318. struct link_params *params,
  4319. u8 enable_cl73)
  4320. {
  4321. struct bnx2x *bp = params->bp;
  4322. u16 mii_control;
  4323. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4324. /* Enable and restart BAM/CL37 aneg */
  4325. if (enable_cl73) {
  4326. CL22_RD_OVER_CL45(bp, phy,
  4327. MDIO_REG_BANK_CL73_IEEEB0,
  4328. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4329. &mii_control);
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_CL73_IEEEB0,
  4332. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4333. (mii_control |
  4334. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4335. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4336. } else {
  4337. CL22_RD_OVER_CL45(bp, phy,
  4338. MDIO_REG_BANK_COMBO_IEEE0,
  4339. MDIO_COMBO_IEEE0_MII_CONTROL,
  4340. &mii_control);
  4341. DP(NETIF_MSG_LINK,
  4342. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4343. mii_control);
  4344. CL22_WR_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_COMBO_IEEE0,
  4346. MDIO_COMBO_IEEE0_MII_CONTROL,
  4347. (mii_control |
  4348. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4349. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4350. }
  4351. }
  4352. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4353. struct link_params *params,
  4354. struct link_vars *vars)
  4355. {
  4356. struct bnx2x *bp = params->bp;
  4357. u16 control1;
  4358. /* in SGMII mode, the unicore is always slave */
  4359. CL22_RD_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_SERDES_DIGITAL,
  4361. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4362. &control1);
  4363. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4364. /* set sgmii mode (and not fiber) */
  4365. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4366. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4367. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4368. CL22_WR_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_SERDES_DIGITAL,
  4370. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4371. control1);
  4372. /* if forced speed */
  4373. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4374. /* set speed, disable autoneg */
  4375. u16 mii_control;
  4376. CL22_RD_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_COMBO_IEEE0,
  4378. MDIO_COMBO_IEEE0_MII_CONTROL,
  4379. &mii_control);
  4380. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4381. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4382. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4383. switch (vars->line_speed) {
  4384. case SPEED_100:
  4385. mii_control |=
  4386. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4387. break;
  4388. case SPEED_1000:
  4389. mii_control |=
  4390. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4391. break;
  4392. case SPEED_10:
  4393. /* there is nothing to set for 10M */
  4394. break;
  4395. default:
  4396. /* invalid speed for SGMII */
  4397. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4398. vars->line_speed);
  4399. break;
  4400. }
  4401. /* setting the full duplex */
  4402. if (phy->req_duplex == DUPLEX_FULL)
  4403. mii_control |=
  4404. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_COMBO_IEEE0,
  4407. MDIO_COMBO_IEEE0_MII_CONTROL,
  4408. mii_control);
  4409. } else { /* AN mode */
  4410. /* enable and restart AN */
  4411. bnx2x_restart_autoneg(phy, params, 0);
  4412. }
  4413. }
  4414. /*
  4415. * link management
  4416. */
  4417. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4418. struct link_params *params)
  4419. {
  4420. struct bnx2x *bp = params->bp;
  4421. u16 pd_10g, status2_1000x;
  4422. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4423. return 0;
  4424. CL22_RD_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_SERDES_DIGITAL,
  4426. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4427. &status2_1000x);
  4428. CL22_RD_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_SERDES_DIGITAL,
  4430. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4431. &status2_1000x);
  4432. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4433. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4434. params->port);
  4435. return 1;
  4436. }
  4437. CL22_RD_OVER_CL45(bp, phy,
  4438. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4439. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4440. &pd_10g);
  4441. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4442. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4443. params->port);
  4444. return 1;
  4445. }
  4446. return 0;
  4447. }
  4448. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4449. struct link_params *params,
  4450. struct link_vars *vars,
  4451. u32 gp_status)
  4452. {
  4453. struct bnx2x *bp = params->bp;
  4454. u16 ld_pause; /* local driver */
  4455. u16 lp_pause; /* link partner */
  4456. u16 pause_result;
  4457. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4458. /* resolve from gp_status in case of AN complete and not sgmii */
  4459. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  4460. vars->flow_ctrl = phy->req_flow_ctrl;
  4461. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4462. vars->flow_ctrl = params->req_fc_auto_adv;
  4463. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4464. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4465. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4466. vars->flow_ctrl = params->req_fc_auto_adv;
  4467. return;
  4468. }
  4469. if ((gp_status &
  4470. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4471. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4472. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4473. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4474. CL22_RD_OVER_CL45(bp, phy,
  4475. MDIO_REG_BANK_CL73_IEEEB1,
  4476. MDIO_CL73_IEEEB1_AN_ADV1,
  4477. &ld_pause);
  4478. CL22_RD_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB1,
  4480. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4481. &lp_pause);
  4482. pause_result = (ld_pause &
  4483. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  4484. >> 8;
  4485. pause_result |= (lp_pause &
  4486. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  4487. >> 10;
  4488. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  4489. pause_result);
  4490. } else {
  4491. CL22_RD_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4494. &ld_pause);
  4495. CL22_RD_OVER_CL45(bp, phy,
  4496. MDIO_REG_BANK_COMBO_IEEE0,
  4497. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4498. &lp_pause);
  4499. pause_result = (ld_pause &
  4500. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4501. pause_result |= (lp_pause &
  4502. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4503. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  4504. pause_result);
  4505. }
  4506. bnx2x_pause_resolve(vars, pause_result);
  4507. }
  4508. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4509. }
  4510. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4511. struct link_params *params)
  4512. {
  4513. struct bnx2x *bp = params->bp;
  4514. u16 rx_status, ustat_val, cl37_fsm_received;
  4515. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4516. /* Step 1: Make sure signal is detected */
  4517. CL22_RD_OVER_CL45(bp, phy,
  4518. MDIO_REG_BANK_RX0,
  4519. MDIO_RX0_RX_STATUS,
  4520. &rx_status);
  4521. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4522. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4523. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4524. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4525. CL22_WR_OVER_CL45(bp, phy,
  4526. MDIO_REG_BANK_CL73_IEEEB0,
  4527. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4528. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4529. return;
  4530. }
  4531. /* Step 2: Check CL73 state machine */
  4532. CL22_RD_OVER_CL45(bp, phy,
  4533. MDIO_REG_BANK_CL73_USERB0,
  4534. MDIO_CL73_USERB0_CL73_USTAT1,
  4535. &ustat_val);
  4536. if ((ustat_val &
  4537. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4538. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4539. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4540. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4541. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4542. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4543. return;
  4544. }
  4545. /*
  4546. * Step 3: Check CL37 Message Pages received to indicate LP
  4547. * supports only CL37
  4548. */
  4549. CL22_RD_OVER_CL45(bp, phy,
  4550. MDIO_REG_BANK_REMOTE_PHY,
  4551. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4552. &cl37_fsm_received);
  4553. if ((cl37_fsm_received &
  4554. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4555. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4556. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4557. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4558. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4559. "misc_rx_status(0x8330) = 0x%x\n",
  4560. cl37_fsm_received);
  4561. return;
  4562. }
  4563. /*
  4564. * The combined cl37/cl73 fsm state information indicating that
  4565. * we are connected to a device which does not support cl73, but
  4566. * does support cl37 BAM. In this case we disable cl73 and
  4567. * restart cl37 auto-neg
  4568. */
  4569. /* Disable CL73 */
  4570. CL22_WR_OVER_CL45(bp, phy,
  4571. MDIO_REG_BANK_CL73_IEEEB0,
  4572. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4573. 0);
  4574. /* Restart CL37 autoneg */
  4575. bnx2x_restart_autoneg(phy, params, 0);
  4576. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4577. }
  4578. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4579. struct link_params *params,
  4580. struct link_vars *vars,
  4581. u32 gp_status)
  4582. {
  4583. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4584. vars->link_status |=
  4585. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4586. if (bnx2x_direct_parallel_detect_used(phy, params))
  4587. vars->link_status |=
  4588. LINK_STATUS_PARALLEL_DETECTION_USED;
  4589. }
  4590. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4591. struct link_params *params,
  4592. struct link_vars *vars,
  4593. u16 is_link_up,
  4594. u16 speed_mask,
  4595. u16 is_duplex)
  4596. {
  4597. struct bnx2x *bp = params->bp;
  4598. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4599. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4600. if (is_link_up) {
  4601. DP(NETIF_MSG_LINK, "phy link up\n");
  4602. vars->phy_link_up = 1;
  4603. vars->link_status |= LINK_STATUS_LINK_UP;
  4604. switch (speed_mask) {
  4605. case GP_STATUS_10M:
  4606. vars->line_speed = SPEED_10;
  4607. if (vars->duplex == DUPLEX_FULL)
  4608. vars->link_status |= LINK_10TFD;
  4609. else
  4610. vars->link_status |= LINK_10THD;
  4611. break;
  4612. case GP_STATUS_100M:
  4613. vars->line_speed = SPEED_100;
  4614. if (vars->duplex == DUPLEX_FULL)
  4615. vars->link_status |= LINK_100TXFD;
  4616. else
  4617. vars->link_status |= LINK_100TXHD;
  4618. break;
  4619. case GP_STATUS_1G:
  4620. case GP_STATUS_1G_KX:
  4621. vars->line_speed = SPEED_1000;
  4622. if (vars->duplex == DUPLEX_FULL)
  4623. vars->link_status |= LINK_1000TFD;
  4624. else
  4625. vars->link_status |= LINK_1000THD;
  4626. break;
  4627. case GP_STATUS_2_5G:
  4628. vars->line_speed = SPEED_2500;
  4629. if (vars->duplex == DUPLEX_FULL)
  4630. vars->link_status |= LINK_2500TFD;
  4631. else
  4632. vars->link_status |= LINK_2500THD;
  4633. break;
  4634. case GP_STATUS_5G:
  4635. case GP_STATUS_6G:
  4636. DP(NETIF_MSG_LINK,
  4637. "link speed unsupported gp_status 0x%x\n",
  4638. speed_mask);
  4639. return -EINVAL;
  4640. case GP_STATUS_10G_KX4:
  4641. case GP_STATUS_10G_HIG:
  4642. case GP_STATUS_10G_CX4:
  4643. case GP_STATUS_10G_KR:
  4644. case GP_STATUS_10G_SFI:
  4645. case GP_STATUS_10G_XFI:
  4646. vars->line_speed = SPEED_10000;
  4647. vars->link_status |= LINK_10GTFD;
  4648. break;
  4649. case GP_STATUS_20G_DXGXS:
  4650. vars->line_speed = SPEED_20000;
  4651. vars->link_status |= LINK_20GTFD;
  4652. break;
  4653. default:
  4654. DP(NETIF_MSG_LINK,
  4655. "link speed unsupported gp_status 0x%x\n",
  4656. speed_mask);
  4657. return -EINVAL;
  4658. }
  4659. } else { /* link_down */
  4660. DP(NETIF_MSG_LINK, "phy link down\n");
  4661. vars->phy_link_up = 0;
  4662. vars->duplex = DUPLEX_FULL;
  4663. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4664. vars->mac_type = MAC_TYPE_NONE;
  4665. }
  4666. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4667. vars->phy_link_up, vars->line_speed);
  4668. return 0;
  4669. }
  4670. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4671. struct link_params *params,
  4672. struct link_vars *vars)
  4673. {
  4674. struct bnx2x *bp = params->bp;
  4675. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4676. int rc = 0;
  4677. /* Read gp_status */
  4678. CL22_RD_OVER_CL45(bp, phy,
  4679. MDIO_REG_BANK_GP_STATUS,
  4680. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4681. &gp_status);
  4682. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4683. duplex = DUPLEX_FULL;
  4684. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4685. link_up = 1;
  4686. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4687. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4688. gp_status, link_up, speed_mask);
  4689. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4690. duplex);
  4691. if (rc == -EINVAL)
  4692. return rc;
  4693. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4694. if (SINGLE_MEDIA_DIRECT(params)) {
  4695. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4696. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4697. bnx2x_xgxs_an_resolve(phy, params, vars,
  4698. gp_status);
  4699. }
  4700. } else { /* link_down */
  4701. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4702. SINGLE_MEDIA_DIRECT(params)) {
  4703. /* Check signal is detected */
  4704. bnx2x_check_fallback_to_cl37(phy, params);
  4705. }
  4706. }
  4707. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4708. vars->duplex, vars->flow_ctrl, vars->link_status);
  4709. return rc;
  4710. }
  4711. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4712. struct link_params *params,
  4713. struct link_vars *vars)
  4714. {
  4715. struct bnx2x *bp = params->bp;
  4716. u8 lane;
  4717. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4718. int rc = 0;
  4719. lane = bnx2x_get_warpcore_lane(phy, params);
  4720. /* Read gp_status */
  4721. if (phy->req_line_speed > SPEED_10000) {
  4722. u16 temp_link_up;
  4723. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4724. 1, &temp_link_up);
  4725. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4726. 1, &link_up);
  4727. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4728. temp_link_up, link_up);
  4729. link_up &= (1<<2);
  4730. if (link_up)
  4731. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4732. } else {
  4733. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4734. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4735. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4736. /* Check for either KR or generic link up. */
  4737. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4738. ((gp_status1 >> 12) & 0xf);
  4739. link_up = gp_status1 & (1 << lane);
  4740. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4741. u16 pd, gp_status4;
  4742. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4743. /* Check Autoneg complete */
  4744. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4745. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4746. &gp_status4);
  4747. if (gp_status4 & ((1<<12)<<lane))
  4748. vars->link_status |=
  4749. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4750. /* Check parallel detect used */
  4751. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4752. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4753. &pd);
  4754. if (pd & (1<<15))
  4755. vars->link_status |=
  4756. LINK_STATUS_PARALLEL_DETECTION_USED;
  4757. }
  4758. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4759. }
  4760. }
  4761. if (lane < 2) {
  4762. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4763. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4764. } else {
  4765. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4766. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4767. }
  4768. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4769. if ((lane & 1) == 0)
  4770. gp_speed <<= 8;
  4771. gp_speed &= 0x3f00;
  4772. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4773. duplex);
  4774. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4775. vars->duplex, vars->flow_ctrl, vars->link_status);
  4776. return rc;
  4777. }
  4778. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4779. {
  4780. struct bnx2x *bp = params->bp;
  4781. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4782. u16 lp_up2;
  4783. u16 tx_driver;
  4784. u16 bank;
  4785. /* read precomp */
  4786. CL22_RD_OVER_CL45(bp, phy,
  4787. MDIO_REG_BANK_OVER_1G,
  4788. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4789. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4790. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4791. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4792. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4793. if (lp_up2 == 0)
  4794. return;
  4795. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4796. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4797. CL22_RD_OVER_CL45(bp, phy,
  4798. bank,
  4799. MDIO_TX0_TX_DRIVER, &tx_driver);
  4800. /* replace tx_driver bits [15:12] */
  4801. if (lp_up2 !=
  4802. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4803. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4804. tx_driver |= lp_up2;
  4805. CL22_WR_OVER_CL45(bp, phy,
  4806. bank,
  4807. MDIO_TX0_TX_DRIVER, tx_driver);
  4808. }
  4809. }
  4810. }
  4811. static int bnx2x_emac_program(struct link_params *params,
  4812. struct link_vars *vars)
  4813. {
  4814. struct bnx2x *bp = params->bp;
  4815. u8 port = params->port;
  4816. u16 mode = 0;
  4817. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4818. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4819. EMAC_REG_EMAC_MODE,
  4820. (EMAC_MODE_25G_MODE |
  4821. EMAC_MODE_PORT_MII_10M |
  4822. EMAC_MODE_HALF_DUPLEX));
  4823. switch (vars->line_speed) {
  4824. case SPEED_10:
  4825. mode |= EMAC_MODE_PORT_MII_10M;
  4826. break;
  4827. case SPEED_100:
  4828. mode |= EMAC_MODE_PORT_MII;
  4829. break;
  4830. case SPEED_1000:
  4831. mode |= EMAC_MODE_PORT_GMII;
  4832. break;
  4833. case SPEED_2500:
  4834. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4835. break;
  4836. default:
  4837. /* 10G not valid for EMAC */
  4838. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4839. vars->line_speed);
  4840. return -EINVAL;
  4841. }
  4842. if (vars->duplex == DUPLEX_HALF)
  4843. mode |= EMAC_MODE_HALF_DUPLEX;
  4844. bnx2x_bits_en(bp,
  4845. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4846. mode);
  4847. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4848. return 0;
  4849. }
  4850. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4851. struct link_params *params)
  4852. {
  4853. u16 bank, i = 0;
  4854. struct bnx2x *bp = params->bp;
  4855. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4856. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4857. CL22_WR_OVER_CL45(bp, phy,
  4858. bank,
  4859. MDIO_RX0_RX_EQ_BOOST,
  4860. phy->rx_preemphasis[i]);
  4861. }
  4862. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4863. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4864. CL22_WR_OVER_CL45(bp, phy,
  4865. bank,
  4866. MDIO_TX0_TX_DRIVER,
  4867. phy->tx_preemphasis[i]);
  4868. }
  4869. }
  4870. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4871. struct link_params *params,
  4872. struct link_vars *vars)
  4873. {
  4874. struct bnx2x *bp = params->bp;
  4875. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4876. (params->loopback_mode == LOOPBACK_XGXS));
  4877. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4878. if (SINGLE_MEDIA_DIRECT(params) &&
  4879. (params->feature_config_flags &
  4880. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4881. bnx2x_set_preemphasis(phy, params);
  4882. /* forced speed requested? */
  4883. if (vars->line_speed != SPEED_AUTO_NEG ||
  4884. (SINGLE_MEDIA_DIRECT(params) &&
  4885. params->loopback_mode == LOOPBACK_EXT)) {
  4886. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4887. /* disable autoneg */
  4888. bnx2x_set_autoneg(phy, params, vars, 0);
  4889. /* program speed and duplex */
  4890. bnx2x_program_serdes(phy, params, vars);
  4891. } else { /* AN_mode */
  4892. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4893. /* AN enabled */
  4894. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4895. /* program duplex & pause advertisement (for aneg) */
  4896. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4897. vars->ieee_fc);
  4898. /* enable autoneg */
  4899. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4900. /* enable and restart AN */
  4901. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4902. }
  4903. } else { /* SGMII mode */
  4904. DP(NETIF_MSG_LINK, "SGMII\n");
  4905. bnx2x_initialize_sgmii_process(phy, params, vars);
  4906. }
  4907. }
  4908. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4909. struct link_params *params,
  4910. struct link_vars *vars)
  4911. {
  4912. int rc;
  4913. vars->phy_flags |= PHY_XGXS_FLAG;
  4914. if ((phy->req_line_speed &&
  4915. ((phy->req_line_speed == SPEED_100) ||
  4916. (phy->req_line_speed == SPEED_10))) ||
  4917. (!phy->req_line_speed &&
  4918. (phy->speed_cap_mask >=
  4919. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4920. (phy->speed_cap_mask <
  4921. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4922. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4923. vars->phy_flags |= PHY_SGMII_FLAG;
  4924. else
  4925. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4926. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4927. bnx2x_set_aer_mmd(params, phy);
  4928. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4929. bnx2x_set_master_ln(params, phy);
  4930. rc = bnx2x_reset_unicore(params, phy, 0);
  4931. /* reset the SerDes and wait for reset bit return low */
  4932. if (rc != 0)
  4933. return rc;
  4934. bnx2x_set_aer_mmd(params, phy);
  4935. /* setting the masterLn_def again after the reset */
  4936. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4937. bnx2x_set_master_ln(params, phy);
  4938. bnx2x_set_swap_lanes(params, phy);
  4939. }
  4940. return rc;
  4941. }
  4942. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4943. struct bnx2x_phy *phy,
  4944. struct link_params *params)
  4945. {
  4946. u16 cnt, ctrl;
  4947. /* Wait for soft reset to get cleared up to 1 sec */
  4948. for (cnt = 0; cnt < 1000; cnt++) {
  4949. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4950. bnx2x_cl22_read(bp, phy,
  4951. MDIO_PMA_REG_CTRL, &ctrl);
  4952. else
  4953. bnx2x_cl45_read(bp, phy,
  4954. MDIO_PMA_DEVAD,
  4955. MDIO_PMA_REG_CTRL, &ctrl);
  4956. if (!(ctrl & (1<<15)))
  4957. break;
  4958. msleep(1);
  4959. }
  4960. if (cnt == 1000)
  4961. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4962. " Port %d\n",
  4963. params->port);
  4964. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4965. return cnt;
  4966. }
  4967. static void bnx2x_link_int_enable(struct link_params *params)
  4968. {
  4969. u8 port = params->port;
  4970. u32 mask;
  4971. struct bnx2x *bp = params->bp;
  4972. /* Setting the status to report on link up for either XGXS or SerDes */
  4973. if (CHIP_IS_E3(bp)) {
  4974. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4975. if (!(SINGLE_MEDIA_DIRECT(params)))
  4976. mask |= NIG_MASK_MI_INT;
  4977. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4978. mask = (NIG_MASK_XGXS0_LINK10G |
  4979. NIG_MASK_XGXS0_LINK_STATUS);
  4980. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4981. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4982. params->phy[INT_PHY].type !=
  4983. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  4984. mask |= NIG_MASK_MI_INT;
  4985. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4986. }
  4987. } else { /* SerDes */
  4988. mask = NIG_MASK_SERDES0_LINK_STATUS;
  4989. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  4990. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4991. params->phy[INT_PHY].type !=
  4992. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  4993. mask |= NIG_MASK_MI_INT;
  4994. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  4995. }
  4996. }
  4997. bnx2x_bits_en(bp,
  4998. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  4999. mask);
  5000. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5001. (params->switch_cfg == SWITCH_CFG_10G),
  5002. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5003. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5004. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5005. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5006. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5007. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5008. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5009. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5010. }
  5011. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5012. u8 exp_mi_int)
  5013. {
  5014. u32 latch_status = 0;
  5015. /*
  5016. * Disable the MI INT ( external phy int ) by writing 1 to the
  5017. * status register. Link down indication is high-active-signal,
  5018. * so in this case we need to write the status to clear the XOR
  5019. */
  5020. /* Read Latched signals */
  5021. latch_status = REG_RD(bp,
  5022. NIG_REG_LATCH_STATUS_0 + port*8);
  5023. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5024. /* Handle only those with latched-signal=up.*/
  5025. if (exp_mi_int)
  5026. bnx2x_bits_en(bp,
  5027. NIG_REG_STATUS_INTERRUPT_PORT0
  5028. + port*4,
  5029. NIG_STATUS_EMAC0_MI_INT);
  5030. else
  5031. bnx2x_bits_dis(bp,
  5032. NIG_REG_STATUS_INTERRUPT_PORT0
  5033. + port*4,
  5034. NIG_STATUS_EMAC0_MI_INT);
  5035. if (latch_status & 1) {
  5036. /* For all latched-signal=up : Re-Arm Latch signals */
  5037. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5038. (latch_status & 0xfffe) | (latch_status & 1));
  5039. }
  5040. /* For all latched-signal=up,Write original_signal to status */
  5041. }
  5042. static void bnx2x_link_int_ack(struct link_params *params,
  5043. struct link_vars *vars, u8 is_10g_plus)
  5044. {
  5045. struct bnx2x *bp = params->bp;
  5046. u8 port = params->port;
  5047. u32 mask;
  5048. /*
  5049. * First reset all status we assume only one line will be
  5050. * change at a time
  5051. */
  5052. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5053. (NIG_STATUS_XGXS0_LINK10G |
  5054. NIG_STATUS_XGXS0_LINK_STATUS |
  5055. NIG_STATUS_SERDES0_LINK_STATUS));
  5056. if (vars->phy_link_up) {
  5057. if (USES_WARPCORE(bp))
  5058. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5059. else {
  5060. if (is_10g_plus)
  5061. mask = NIG_STATUS_XGXS0_LINK10G;
  5062. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5063. /*
  5064. * Disable the link interrupt by writing 1 to
  5065. * the relevant lane in the status register
  5066. */
  5067. u32 ser_lane =
  5068. ((params->lane_config &
  5069. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5070. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5071. mask = ((1 << ser_lane) <<
  5072. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5073. } else
  5074. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5075. }
  5076. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5077. mask);
  5078. bnx2x_bits_en(bp,
  5079. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5080. mask);
  5081. }
  5082. }
  5083. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5084. {
  5085. u8 *str_ptr = str;
  5086. u32 mask = 0xf0000000;
  5087. u8 shift = 8*4;
  5088. u8 digit;
  5089. u8 remove_leading_zeros = 1;
  5090. if (*len < 10) {
  5091. /* Need more than 10chars for this format */
  5092. *str_ptr = '\0';
  5093. (*len)--;
  5094. return -EINVAL;
  5095. }
  5096. while (shift > 0) {
  5097. shift -= 4;
  5098. digit = ((num & mask) >> shift);
  5099. if (digit == 0 && remove_leading_zeros) {
  5100. mask = mask >> 4;
  5101. continue;
  5102. } else if (digit < 0xa)
  5103. *str_ptr = digit + '0';
  5104. else
  5105. *str_ptr = digit - 0xa + 'a';
  5106. remove_leading_zeros = 0;
  5107. str_ptr++;
  5108. (*len)--;
  5109. mask = mask >> 4;
  5110. if (shift == 4*4) {
  5111. *str_ptr = '.';
  5112. str_ptr++;
  5113. (*len)--;
  5114. remove_leading_zeros = 1;
  5115. }
  5116. }
  5117. return 0;
  5118. }
  5119. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5120. {
  5121. str[0] = '\0';
  5122. (*len)--;
  5123. return 0;
  5124. }
  5125. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  5126. u8 *version, u16 len)
  5127. {
  5128. struct bnx2x *bp;
  5129. u32 spirom_ver = 0;
  5130. int status = 0;
  5131. u8 *ver_p = version;
  5132. u16 remain_len = len;
  5133. if (version == NULL || params == NULL)
  5134. return -EINVAL;
  5135. bp = params->bp;
  5136. /* Extract first external phy*/
  5137. version[0] = '\0';
  5138. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5139. if (params->phy[EXT_PHY1].format_fw_ver) {
  5140. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5141. ver_p,
  5142. &remain_len);
  5143. ver_p += (len - remain_len);
  5144. }
  5145. if ((params->num_phys == MAX_PHYS) &&
  5146. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5147. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5148. if (params->phy[EXT_PHY2].format_fw_ver) {
  5149. *ver_p = '/';
  5150. ver_p++;
  5151. remain_len--;
  5152. status |= params->phy[EXT_PHY2].format_fw_ver(
  5153. spirom_ver,
  5154. ver_p,
  5155. &remain_len);
  5156. ver_p = version + (len - remain_len);
  5157. }
  5158. }
  5159. *ver_p = '\0';
  5160. return status;
  5161. }
  5162. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5163. struct link_params *params)
  5164. {
  5165. u8 port = params->port;
  5166. struct bnx2x *bp = params->bp;
  5167. if (phy->req_line_speed != SPEED_1000) {
  5168. u32 md_devad = 0;
  5169. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5170. if (!CHIP_IS_E3(bp)) {
  5171. /* change the uni_phy_addr in the nig */
  5172. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5173. port*0x18));
  5174. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5175. 0x5);
  5176. }
  5177. bnx2x_cl45_write(bp, phy,
  5178. 5,
  5179. (MDIO_REG_BANK_AER_BLOCK +
  5180. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5181. 0x2800);
  5182. bnx2x_cl45_write(bp, phy,
  5183. 5,
  5184. (MDIO_REG_BANK_CL73_IEEEB0 +
  5185. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5186. 0x6041);
  5187. msleep(200);
  5188. /* set aer mmd back */
  5189. bnx2x_set_aer_mmd(params, phy);
  5190. if (!CHIP_IS_E3(bp)) {
  5191. /* and md_devad */
  5192. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5193. md_devad);
  5194. }
  5195. } else {
  5196. u16 mii_ctrl;
  5197. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5198. bnx2x_cl45_read(bp, phy, 5,
  5199. (MDIO_REG_BANK_COMBO_IEEE0 +
  5200. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5201. &mii_ctrl);
  5202. bnx2x_cl45_write(bp, phy, 5,
  5203. (MDIO_REG_BANK_COMBO_IEEE0 +
  5204. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5205. mii_ctrl |
  5206. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5207. }
  5208. }
  5209. int bnx2x_set_led(struct link_params *params,
  5210. struct link_vars *vars, u8 mode, u32 speed)
  5211. {
  5212. u8 port = params->port;
  5213. u16 hw_led_mode = params->hw_led_mode;
  5214. int rc = 0;
  5215. u8 phy_idx;
  5216. u32 tmp;
  5217. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5218. struct bnx2x *bp = params->bp;
  5219. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5220. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5221. speed, hw_led_mode);
  5222. /* In case */
  5223. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5224. if (params->phy[phy_idx].set_link_led) {
  5225. params->phy[phy_idx].set_link_led(
  5226. &params->phy[phy_idx], params, mode);
  5227. }
  5228. }
  5229. switch (mode) {
  5230. case LED_MODE_FRONT_PANEL_OFF:
  5231. case LED_MODE_OFF:
  5232. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5233. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5234. SHARED_HW_CFG_LED_MAC1);
  5235. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5236. if (params->phy[EXT_PHY1].type ==
  5237. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5238. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
  5239. else {
  5240. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5241. (tmp | EMAC_LED_OVERRIDE));
  5242. }
  5243. break;
  5244. case LED_MODE_OPER:
  5245. /*
  5246. * For all other phys, OPER mode is same as ON, so in case
  5247. * link is down, do nothing
  5248. */
  5249. if (!vars->link_up)
  5250. break;
  5251. case LED_MODE_ON:
  5252. if (((params->phy[EXT_PHY1].type ==
  5253. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5254. (params->phy[EXT_PHY1].type ==
  5255. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5256. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5257. /*
  5258. * This is a work-around for E2+8727 Configurations
  5259. */
  5260. if (mode == LED_MODE_ON ||
  5261. speed == SPEED_10000){
  5262. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5263. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5264. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5265. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5266. (tmp | EMAC_LED_OVERRIDE));
  5267. /*
  5268. * return here without enabling traffic
  5269. * LED blink and setting rate in ON mode.
  5270. * In oper mode, enabling LED blink
  5271. * and setting rate is needed.
  5272. */
  5273. if (mode == LED_MODE_ON)
  5274. return rc;
  5275. }
  5276. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5277. /*
  5278. * This is a work-around for HW issue found when link
  5279. * is up in CL73
  5280. */
  5281. if ((!CHIP_IS_E3(bp)) ||
  5282. (CHIP_IS_E3(bp) &&
  5283. mode == LED_MODE_ON))
  5284. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5285. if (CHIP_IS_E1x(bp) ||
  5286. CHIP_IS_E2(bp) ||
  5287. (mode == LED_MODE_ON))
  5288. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5289. else
  5290. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5291. hw_led_mode);
  5292. } else if ((params->phy[EXT_PHY1].type ==
  5293. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5294. (mode != LED_MODE_OPER)) {
  5295. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5296. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5297. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
  5298. } else
  5299. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5300. hw_led_mode);
  5301. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5302. /* Set blinking rate to ~15.9Hz */
  5303. if (CHIP_IS_E3(bp))
  5304. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5305. LED_BLINK_RATE_VAL_E3);
  5306. else
  5307. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5308. LED_BLINK_RATE_VAL_E1X_E2);
  5309. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5310. port*4, 1);
  5311. if ((params->phy[EXT_PHY1].type !=
  5312. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5313. (mode != LED_MODE_OPER)) {
  5314. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5315. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5316. (tmp & (~EMAC_LED_OVERRIDE)));
  5317. }
  5318. if (CHIP_IS_E1(bp) &&
  5319. ((speed == SPEED_2500) ||
  5320. (speed == SPEED_1000) ||
  5321. (speed == SPEED_100) ||
  5322. (speed == SPEED_10))) {
  5323. /*
  5324. * On Everest 1 Ax chip versions for speeds less than
  5325. * 10G LED scheme is different
  5326. */
  5327. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5328. + port*4, 1);
  5329. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5330. port*4, 0);
  5331. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5332. port*4, 1);
  5333. }
  5334. break;
  5335. default:
  5336. rc = -EINVAL;
  5337. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5338. mode);
  5339. break;
  5340. }
  5341. return rc;
  5342. }
  5343. /*
  5344. * This function comes to reflect the actual link state read DIRECTLY from the
  5345. * HW
  5346. */
  5347. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5348. u8 is_serdes)
  5349. {
  5350. struct bnx2x *bp = params->bp;
  5351. u16 gp_status = 0, phy_index = 0;
  5352. u8 ext_phy_link_up = 0, serdes_phy_type;
  5353. struct link_vars temp_vars;
  5354. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5355. if (CHIP_IS_E3(bp)) {
  5356. u16 link_up;
  5357. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5358. > SPEED_10000) {
  5359. /* Check 20G link */
  5360. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5361. 1, &link_up);
  5362. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5363. 1, &link_up);
  5364. link_up &= (1<<2);
  5365. } else {
  5366. /* Check 10G link and below*/
  5367. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5368. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5369. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5370. &gp_status);
  5371. gp_status = ((gp_status >> 8) & 0xf) |
  5372. ((gp_status >> 12) & 0xf);
  5373. link_up = gp_status & (1 << lane);
  5374. }
  5375. if (!link_up)
  5376. return -ESRCH;
  5377. } else {
  5378. CL22_RD_OVER_CL45(bp, int_phy,
  5379. MDIO_REG_BANK_GP_STATUS,
  5380. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5381. &gp_status);
  5382. /* link is up only if both local phy and external phy are up */
  5383. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5384. return -ESRCH;
  5385. }
  5386. /* In XGXS loopback mode, do not check external PHY */
  5387. if (params->loopback_mode == LOOPBACK_XGXS)
  5388. return 0;
  5389. switch (params->num_phys) {
  5390. case 1:
  5391. /* No external PHY */
  5392. return 0;
  5393. case 2:
  5394. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5395. &params->phy[EXT_PHY1],
  5396. params, &temp_vars);
  5397. break;
  5398. case 3: /* Dual Media */
  5399. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5400. phy_index++) {
  5401. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5402. ETH_PHY_SFP_FIBER) ||
  5403. (params->phy[phy_index].media_type ==
  5404. ETH_PHY_XFP_FIBER) ||
  5405. (params->phy[phy_index].media_type ==
  5406. ETH_PHY_DA_TWINAX));
  5407. if (is_serdes != serdes_phy_type)
  5408. continue;
  5409. if (params->phy[phy_index].read_status) {
  5410. ext_phy_link_up |=
  5411. params->phy[phy_index].read_status(
  5412. &params->phy[phy_index],
  5413. params, &temp_vars);
  5414. }
  5415. }
  5416. break;
  5417. }
  5418. if (ext_phy_link_up)
  5419. return 0;
  5420. return -ESRCH;
  5421. }
  5422. static int bnx2x_link_initialize(struct link_params *params,
  5423. struct link_vars *vars)
  5424. {
  5425. int rc = 0;
  5426. u8 phy_index, non_ext_phy;
  5427. struct bnx2x *bp = params->bp;
  5428. /*
  5429. * In case of external phy existence, the line speed would be the
  5430. * line speed linked up by the external phy. In case it is direct
  5431. * only, then the line_speed during initialization will be
  5432. * equal to the req_line_speed
  5433. */
  5434. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5435. /*
  5436. * Initialize the internal phy in case this is a direct board
  5437. * (no external phys), or this board has external phy which requires
  5438. * to first.
  5439. */
  5440. if (!USES_WARPCORE(bp))
  5441. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5442. /* init ext phy and enable link state int */
  5443. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5444. (params->loopback_mode == LOOPBACK_XGXS));
  5445. if (non_ext_phy ||
  5446. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5447. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5448. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5449. if (vars->line_speed == SPEED_AUTO_NEG &&
  5450. (CHIP_IS_E1x(bp) ||
  5451. CHIP_IS_E2(bp)))
  5452. bnx2x_set_parallel_detection(phy, params);
  5453. if (params->phy[INT_PHY].config_init)
  5454. params->phy[INT_PHY].config_init(phy,
  5455. params,
  5456. vars);
  5457. }
  5458. /* Init external phy*/
  5459. if (non_ext_phy) {
  5460. if (params->phy[INT_PHY].supported &
  5461. SUPPORTED_FIBRE)
  5462. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5463. } else {
  5464. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5465. phy_index++) {
  5466. /*
  5467. * No need to initialize second phy in case of first
  5468. * phy only selection. In case of second phy, we do
  5469. * need to initialize the first phy, since they are
  5470. * connected.
  5471. */
  5472. if (params->phy[phy_index].supported &
  5473. SUPPORTED_FIBRE)
  5474. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5475. if (phy_index == EXT_PHY2 &&
  5476. (bnx2x_phy_selection(params) ==
  5477. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5478. DP(NETIF_MSG_LINK,
  5479. "Not initializing second phy\n");
  5480. continue;
  5481. }
  5482. params->phy[phy_index].config_init(
  5483. &params->phy[phy_index],
  5484. params, vars);
  5485. }
  5486. }
  5487. /* Reset the interrupt indication after phy was initialized */
  5488. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5489. params->port*4,
  5490. (NIG_STATUS_XGXS0_LINK10G |
  5491. NIG_STATUS_XGXS0_LINK_STATUS |
  5492. NIG_STATUS_SERDES0_LINK_STATUS |
  5493. NIG_MASK_MI_INT));
  5494. bnx2x_update_mng(params, vars->link_status);
  5495. return rc;
  5496. }
  5497. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5498. struct link_params *params)
  5499. {
  5500. /* reset the SerDes/XGXS */
  5501. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5502. (0x1ff << (params->port*16)));
  5503. }
  5504. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5505. struct link_params *params)
  5506. {
  5507. struct bnx2x *bp = params->bp;
  5508. u8 gpio_port;
  5509. /* HW reset */
  5510. if (CHIP_IS_E2(bp))
  5511. gpio_port = BP_PATH(bp);
  5512. else
  5513. gpio_port = params->port;
  5514. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5515. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5516. gpio_port);
  5517. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5518. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5519. gpio_port);
  5520. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5521. }
  5522. static int bnx2x_update_link_down(struct link_params *params,
  5523. struct link_vars *vars)
  5524. {
  5525. struct bnx2x *bp = params->bp;
  5526. u8 port = params->port;
  5527. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5528. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5529. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5530. /* indicate no mac active */
  5531. vars->mac_type = MAC_TYPE_NONE;
  5532. /* update shared memory */
  5533. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5534. LINK_STATUS_LINK_UP |
  5535. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5536. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5537. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5538. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5539. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  5540. vars->line_speed = 0;
  5541. bnx2x_update_mng(params, vars->link_status);
  5542. /* activate nig drain */
  5543. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5544. /* disable emac */
  5545. if (!CHIP_IS_E3(bp))
  5546. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5547. msleep(10);
  5548. /* reset BigMac/Xmac */
  5549. if (CHIP_IS_E1x(bp) ||
  5550. CHIP_IS_E2(bp)) {
  5551. bnx2x_bmac_rx_disable(bp, params->port);
  5552. REG_WR(bp, GRCBASE_MISC +
  5553. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5554. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5555. }
  5556. if (CHIP_IS_E3(bp)) {
  5557. bnx2x_xmac_disable(params);
  5558. bnx2x_umac_disable(params);
  5559. }
  5560. return 0;
  5561. }
  5562. static int bnx2x_update_link_up(struct link_params *params,
  5563. struct link_vars *vars,
  5564. u8 link_10g)
  5565. {
  5566. struct bnx2x *bp = params->bp;
  5567. u8 port = params->port;
  5568. int rc = 0;
  5569. vars->link_status |= (LINK_STATUS_LINK_UP |
  5570. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5571. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5572. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5573. vars->link_status |=
  5574. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5575. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5576. vars->link_status |=
  5577. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5578. if (USES_WARPCORE(bp)) {
  5579. if (link_10g) {
  5580. if (bnx2x_xmac_enable(params, vars, 0) ==
  5581. -ESRCH) {
  5582. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5583. vars->link_up = 0;
  5584. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5585. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5586. }
  5587. } else
  5588. bnx2x_umac_enable(params, vars, 0);
  5589. bnx2x_set_led(params, vars,
  5590. LED_MODE_OPER, vars->line_speed);
  5591. }
  5592. if ((CHIP_IS_E1x(bp) ||
  5593. CHIP_IS_E2(bp))) {
  5594. if (link_10g) {
  5595. if (bnx2x_bmac_enable(params, vars, 0) ==
  5596. -ESRCH) {
  5597. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5598. vars->link_up = 0;
  5599. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5600. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5601. }
  5602. bnx2x_set_led(params, vars,
  5603. LED_MODE_OPER, SPEED_10000);
  5604. } else {
  5605. rc = bnx2x_emac_program(params, vars);
  5606. bnx2x_emac_enable(params, vars, 0);
  5607. /* AN complete? */
  5608. if ((vars->link_status &
  5609. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5610. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5611. SINGLE_MEDIA_DIRECT(params))
  5612. bnx2x_set_gmii_tx_driver(params);
  5613. }
  5614. }
  5615. /* PBF - link up */
  5616. if (CHIP_IS_E1x(bp))
  5617. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5618. vars->line_speed);
  5619. /* disable drain */
  5620. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5621. /* update shared memory */
  5622. bnx2x_update_mng(params, vars->link_status);
  5623. msleep(20);
  5624. return rc;
  5625. }
  5626. /*
  5627. * The bnx2x_link_update function should be called upon link
  5628. * interrupt.
  5629. * Link is considered up as follows:
  5630. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5631. * to be up
  5632. * - SINGLE_MEDIA - The link between the 577xx and the external
  5633. * phy (XGXS) need to up as well as the external link of the
  5634. * phy (PHY_EXT1)
  5635. * - DUAL_MEDIA - The link between the 577xx and the first
  5636. * external phy needs to be up, and at least one of the 2
  5637. * external phy link must be up.
  5638. */
  5639. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5640. {
  5641. struct bnx2x *bp = params->bp;
  5642. struct link_vars phy_vars[MAX_PHYS];
  5643. u8 port = params->port;
  5644. u8 link_10g_plus, phy_index;
  5645. u8 ext_phy_link_up = 0, cur_link_up;
  5646. int rc = 0;
  5647. u8 is_mi_int = 0;
  5648. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5649. u8 active_external_phy = INT_PHY;
  5650. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5651. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5652. phy_index++) {
  5653. phy_vars[phy_index].flow_ctrl = 0;
  5654. phy_vars[phy_index].link_status = 0;
  5655. phy_vars[phy_index].line_speed = 0;
  5656. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5657. phy_vars[phy_index].phy_link_up = 0;
  5658. phy_vars[phy_index].link_up = 0;
  5659. phy_vars[phy_index].fault_detected = 0;
  5660. }
  5661. if (USES_WARPCORE(bp))
  5662. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5663. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5664. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5665. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5666. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5667. port*0x18) > 0);
  5668. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5669. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5670. is_mi_int,
  5671. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5672. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5673. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5674. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5675. /* disable emac */
  5676. if (!CHIP_IS_E3(bp))
  5677. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5678. /*
  5679. * Step 1:
  5680. * Check external link change only for external phys, and apply
  5681. * priority selection between them in case the link on both phys
  5682. * is up. Note that instead of the common vars, a temporary
  5683. * vars argument is used since each phy may have different link/
  5684. * speed/duplex result
  5685. */
  5686. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5687. phy_index++) {
  5688. struct bnx2x_phy *phy = &params->phy[phy_index];
  5689. if (!phy->read_status)
  5690. continue;
  5691. /* Read link status and params of this ext phy */
  5692. cur_link_up = phy->read_status(phy, params,
  5693. &phy_vars[phy_index]);
  5694. if (cur_link_up) {
  5695. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5696. phy_index);
  5697. } else {
  5698. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5699. phy_index);
  5700. continue;
  5701. }
  5702. if (!ext_phy_link_up) {
  5703. ext_phy_link_up = 1;
  5704. active_external_phy = phy_index;
  5705. } else {
  5706. switch (bnx2x_phy_selection(params)) {
  5707. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5708. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5709. /*
  5710. * In this option, the first PHY makes sure to pass the
  5711. * traffic through itself only.
  5712. * Its not clear how to reset the link on the second phy
  5713. */
  5714. active_external_phy = EXT_PHY1;
  5715. break;
  5716. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5717. /*
  5718. * In this option, the first PHY makes sure to pass the
  5719. * traffic through the second PHY.
  5720. */
  5721. active_external_phy = EXT_PHY2;
  5722. break;
  5723. default:
  5724. /*
  5725. * Link indication on both PHYs with the following cases
  5726. * is invalid:
  5727. * - FIRST_PHY means that second phy wasn't initialized,
  5728. * hence its link is expected to be down
  5729. * - SECOND_PHY means that first phy should not be able
  5730. * to link up by itself (using configuration)
  5731. * - DEFAULT should be overriden during initialiazation
  5732. */
  5733. DP(NETIF_MSG_LINK, "Invalid link indication"
  5734. "mpc=0x%x. DISABLING LINK !!!\n",
  5735. params->multi_phy_config);
  5736. ext_phy_link_up = 0;
  5737. break;
  5738. }
  5739. }
  5740. }
  5741. prev_line_speed = vars->line_speed;
  5742. /*
  5743. * Step 2:
  5744. * Read the status of the internal phy. In case of
  5745. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5746. * otherwise this is the link between the 577xx and the first
  5747. * external phy
  5748. */
  5749. if (params->phy[INT_PHY].read_status)
  5750. params->phy[INT_PHY].read_status(
  5751. &params->phy[INT_PHY],
  5752. params, vars);
  5753. /*
  5754. * The INT_PHY flow control reside in the vars. This include the
  5755. * case where the speed or flow control are not set to AUTO.
  5756. * Otherwise, the active external phy flow control result is set
  5757. * to the vars. The ext_phy_line_speed is needed to check if the
  5758. * speed is different between the internal phy and external phy.
  5759. * This case may be result of intermediate link speed change.
  5760. */
  5761. if (active_external_phy > INT_PHY) {
  5762. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5763. /*
  5764. * Link speed is taken from the XGXS. AN and FC result from
  5765. * the external phy.
  5766. */
  5767. vars->link_status |= phy_vars[active_external_phy].link_status;
  5768. /*
  5769. * if active_external_phy is first PHY and link is up - disable
  5770. * disable TX on second external PHY
  5771. */
  5772. if (active_external_phy == EXT_PHY1) {
  5773. if (params->phy[EXT_PHY2].phy_specific_func) {
  5774. DP(NETIF_MSG_LINK,
  5775. "Disabling TX on EXT_PHY2\n");
  5776. params->phy[EXT_PHY2].phy_specific_func(
  5777. &params->phy[EXT_PHY2],
  5778. params, DISABLE_TX);
  5779. }
  5780. }
  5781. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5782. vars->duplex = phy_vars[active_external_phy].duplex;
  5783. if (params->phy[active_external_phy].supported &
  5784. SUPPORTED_FIBRE)
  5785. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5786. else
  5787. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5788. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5789. active_external_phy);
  5790. }
  5791. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5792. phy_index++) {
  5793. if (params->phy[phy_index].flags &
  5794. FLAGS_REARM_LATCH_SIGNAL) {
  5795. bnx2x_rearm_latch_signal(bp, port,
  5796. phy_index ==
  5797. active_external_phy);
  5798. break;
  5799. }
  5800. }
  5801. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5802. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5803. vars->link_status, ext_phy_line_speed);
  5804. /*
  5805. * Upon link speed change set the NIG into drain mode. Comes to
  5806. * deals with possible FIFO glitch due to clk change when speed
  5807. * is decreased without link down indicator
  5808. */
  5809. if (vars->phy_link_up) {
  5810. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5811. (ext_phy_line_speed != vars->line_speed)) {
  5812. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5813. " different than the external"
  5814. " link speed %d\n", vars->line_speed,
  5815. ext_phy_line_speed);
  5816. vars->phy_link_up = 0;
  5817. } else if (prev_line_speed != vars->line_speed) {
  5818. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5819. 0);
  5820. msleep(1);
  5821. }
  5822. }
  5823. /* anything 10 and over uses the bmac */
  5824. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5825. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5826. /*
  5827. * In case external phy link is up, and internal link is down
  5828. * (not initialized yet probably after link initialization, it
  5829. * needs to be initialized.
  5830. * Note that after link down-up as result of cable plug, the xgxs
  5831. * link would probably become up again without the need
  5832. * initialize it
  5833. */
  5834. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5835. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5836. " init_preceding = %d\n", ext_phy_link_up,
  5837. vars->phy_link_up,
  5838. params->phy[EXT_PHY1].flags &
  5839. FLAGS_INIT_XGXS_FIRST);
  5840. if (!(params->phy[EXT_PHY1].flags &
  5841. FLAGS_INIT_XGXS_FIRST)
  5842. && ext_phy_link_up && !vars->phy_link_up) {
  5843. vars->line_speed = ext_phy_line_speed;
  5844. if (vars->line_speed < SPEED_1000)
  5845. vars->phy_flags |= PHY_SGMII_FLAG;
  5846. else
  5847. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5848. if (params->phy[INT_PHY].config_init)
  5849. params->phy[INT_PHY].config_init(
  5850. &params->phy[INT_PHY], params,
  5851. vars);
  5852. }
  5853. }
  5854. /*
  5855. * Link is up only if both local phy and external phy (in case of
  5856. * non-direct board) are up and no fault detected on active PHY.
  5857. */
  5858. vars->link_up = (vars->phy_link_up &&
  5859. (ext_phy_link_up ||
  5860. SINGLE_MEDIA_DIRECT(params)) &&
  5861. (phy_vars[active_external_phy].fault_detected == 0));
  5862. if (vars->link_up)
  5863. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5864. else
  5865. rc = bnx2x_update_link_down(params, vars);
  5866. return rc;
  5867. }
  5868. /*****************************************************************************/
  5869. /* External Phy section */
  5870. /*****************************************************************************/
  5871. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5872. {
  5873. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5874. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5875. msleep(1);
  5876. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5877. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5878. }
  5879. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5880. u32 spirom_ver, u32 ver_addr)
  5881. {
  5882. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5883. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5884. if (ver_addr)
  5885. REG_WR(bp, ver_addr, spirom_ver);
  5886. }
  5887. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5888. struct bnx2x_phy *phy,
  5889. u8 port)
  5890. {
  5891. u16 fw_ver1, fw_ver2;
  5892. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5893. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5894. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5895. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5896. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5897. phy->ver_addr);
  5898. }
  5899. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5900. struct bnx2x_phy *phy,
  5901. struct link_vars *vars)
  5902. {
  5903. u16 val;
  5904. bnx2x_cl45_read(bp, phy,
  5905. MDIO_AN_DEVAD,
  5906. MDIO_AN_REG_STATUS, &val);
  5907. bnx2x_cl45_read(bp, phy,
  5908. MDIO_AN_DEVAD,
  5909. MDIO_AN_REG_STATUS, &val);
  5910. if (val & (1<<5))
  5911. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5912. if ((val & (1<<0)) == 0)
  5913. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5914. }
  5915. /******************************************************************/
  5916. /* common BCM8073/BCM8727 PHY SECTION */
  5917. /******************************************************************/
  5918. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5919. struct link_params *params,
  5920. struct link_vars *vars)
  5921. {
  5922. struct bnx2x *bp = params->bp;
  5923. if (phy->req_line_speed == SPEED_10 ||
  5924. phy->req_line_speed == SPEED_100) {
  5925. vars->flow_ctrl = phy->req_flow_ctrl;
  5926. return;
  5927. }
  5928. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5929. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5930. u16 pause_result;
  5931. u16 ld_pause; /* local */
  5932. u16 lp_pause; /* link partner */
  5933. bnx2x_cl45_read(bp, phy,
  5934. MDIO_AN_DEVAD,
  5935. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5936. bnx2x_cl45_read(bp, phy,
  5937. MDIO_AN_DEVAD,
  5938. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5939. pause_result = (ld_pause &
  5940. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5941. pause_result |= (lp_pause &
  5942. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5943. bnx2x_pause_resolve(vars, pause_result);
  5944. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5945. pause_result);
  5946. }
  5947. }
  5948. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5949. struct bnx2x_phy *phy,
  5950. u8 port)
  5951. {
  5952. u32 count = 0;
  5953. u16 fw_ver1, fw_msgout;
  5954. int rc = 0;
  5955. /* Boot port from external ROM */
  5956. /* EDC grst */
  5957. bnx2x_cl45_write(bp, phy,
  5958. MDIO_PMA_DEVAD,
  5959. MDIO_PMA_REG_GEN_CTRL,
  5960. 0x0001);
  5961. /* ucode reboot and rst */
  5962. bnx2x_cl45_write(bp, phy,
  5963. MDIO_PMA_DEVAD,
  5964. MDIO_PMA_REG_GEN_CTRL,
  5965. 0x008c);
  5966. bnx2x_cl45_write(bp, phy,
  5967. MDIO_PMA_DEVAD,
  5968. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5969. /* Reset internal microprocessor */
  5970. bnx2x_cl45_write(bp, phy,
  5971. MDIO_PMA_DEVAD,
  5972. MDIO_PMA_REG_GEN_CTRL,
  5973. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  5974. /* Release srst bit */
  5975. bnx2x_cl45_write(bp, phy,
  5976. MDIO_PMA_DEVAD,
  5977. MDIO_PMA_REG_GEN_CTRL,
  5978. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  5979. /* Delay 100ms per the PHY specifications */
  5980. msleep(100);
  5981. /* 8073 sometimes taking longer to download */
  5982. do {
  5983. count++;
  5984. if (count > 300) {
  5985. DP(NETIF_MSG_LINK,
  5986. "bnx2x_8073_8727_external_rom_boot port %x:"
  5987. "Download failed. fw version = 0x%x\n",
  5988. port, fw_ver1);
  5989. rc = -EINVAL;
  5990. break;
  5991. }
  5992. bnx2x_cl45_read(bp, phy,
  5993. MDIO_PMA_DEVAD,
  5994. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5995. bnx2x_cl45_read(bp, phy,
  5996. MDIO_PMA_DEVAD,
  5997. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  5998. msleep(1);
  5999. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6000. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6001. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6002. /* Clear ser_boot_ctl bit */
  6003. bnx2x_cl45_write(bp, phy,
  6004. MDIO_PMA_DEVAD,
  6005. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6006. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6007. DP(NETIF_MSG_LINK,
  6008. "bnx2x_8073_8727_external_rom_boot port %x:"
  6009. "Download complete. fw version = 0x%x\n",
  6010. port, fw_ver1);
  6011. return rc;
  6012. }
  6013. /******************************************************************/
  6014. /* BCM8073 PHY SECTION */
  6015. /******************************************************************/
  6016. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6017. {
  6018. /* This is only required for 8073A1, version 102 only */
  6019. u16 val;
  6020. /* Read 8073 HW revision*/
  6021. bnx2x_cl45_read(bp, phy,
  6022. MDIO_PMA_DEVAD,
  6023. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6024. if (val != 1) {
  6025. /* No need to workaround in 8073 A1 */
  6026. return 0;
  6027. }
  6028. bnx2x_cl45_read(bp, phy,
  6029. MDIO_PMA_DEVAD,
  6030. MDIO_PMA_REG_ROM_VER2, &val);
  6031. /* SNR should be applied only for version 0x102 */
  6032. if (val != 0x102)
  6033. return 0;
  6034. return 1;
  6035. }
  6036. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6037. {
  6038. u16 val, cnt, cnt1 ;
  6039. bnx2x_cl45_read(bp, phy,
  6040. MDIO_PMA_DEVAD,
  6041. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6042. if (val > 0) {
  6043. /* No need to workaround in 8073 A1 */
  6044. return 0;
  6045. }
  6046. /* XAUI workaround in 8073 A0: */
  6047. /*
  6048. * After loading the boot ROM and restarting Autoneg, poll
  6049. * Dev1, Reg $C820:
  6050. */
  6051. for (cnt = 0; cnt < 1000; cnt++) {
  6052. bnx2x_cl45_read(bp, phy,
  6053. MDIO_PMA_DEVAD,
  6054. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6055. &val);
  6056. /*
  6057. * If bit [14] = 0 or bit [13] = 0, continue on with
  6058. * system initialization (XAUI work-around not required, as
  6059. * these bits indicate 2.5G or 1G link up).
  6060. */
  6061. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6062. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6063. return 0;
  6064. } else if (!(val & (1<<15))) {
  6065. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6066. /*
  6067. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6068. * MSB (bit15) goes to 1 (indicating that the XAUI
  6069. * workaround has completed), then continue on with
  6070. * system initialization.
  6071. */
  6072. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6073. bnx2x_cl45_read(bp, phy,
  6074. MDIO_PMA_DEVAD,
  6075. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6076. if (val & (1<<15)) {
  6077. DP(NETIF_MSG_LINK,
  6078. "XAUI workaround has completed\n");
  6079. return 0;
  6080. }
  6081. msleep(3);
  6082. }
  6083. break;
  6084. }
  6085. msleep(3);
  6086. }
  6087. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6088. return -EINVAL;
  6089. }
  6090. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6091. {
  6092. /* Force KR or KX */
  6093. bnx2x_cl45_write(bp, phy,
  6094. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6095. bnx2x_cl45_write(bp, phy,
  6096. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6097. bnx2x_cl45_write(bp, phy,
  6098. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6099. bnx2x_cl45_write(bp, phy,
  6100. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6101. }
  6102. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6103. struct bnx2x_phy *phy,
  6104. struct link_vars *vars)
  6105. {
  6106. u16 cl37_val;
  6107. struct bnx2x *bp = params->bp;
  6108. bnx2x_cl45_read(bp, phy,
  6109. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6110. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6111. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6112. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6113. if ((vars->ieee_fc &
  6114. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6115. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6116. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6117. }
  6118. if ((vars->ieee_fc &
  6119. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6120. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6121. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6122. }
  6123. if ((vars->ieee_fc &
  6124. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6125. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6126. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6127. }
  6128. DP(NETIF_MSG_LINK,
  6129. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6130. bnx2x_cl45_write(bp, phy,
  6131. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6132. msleep(500);
  6133. }
  6134. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6135. struct link_params *params,
  6136. struct link_vars *vars)
  6137. {
  6138. struct bnx2x *bp = params->bp;
  6139. u16 val = 0, tmp1;
  6140. u8 gpio_port;
  6141. DP(NETIF_MSG_LINK, "Init 8073\n");
  6142. if (CHIP_IS_E2(bp))
  6143. gpio_port = BP_PATH(bp);
  6144. else
  6145. gpio_port = params->port;
  6146. /* Restore normal power mode*/
  6147. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6148. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6149. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6150. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6151. /* enable LASI */
  6152. bnx2x_cl45_write(bp, phy,
  6153. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6154. bnx2x_cl45_write(bp, phy,
  6155. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6156. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6157. bnx2x_cl45_read(bp, phy,
  6158. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6159. bnx2x_cl45_read(bp, phy,
  6160. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6161. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6162. /* Swap polarity if required - Must be done only in non-1G mode */
  6163. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6164. /* Configure the 8073 to swap _P and _N of the KR lines */
  6165. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6166. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_PMA_DEVAD,
  6169. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6170. bnx2x_cl45_write(bp, phy,
  6171. MDIO_PMA_DEVAD,
  6172. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6173. (val | (3<<9)));
  6174. }
  6175. /* Enable CL37 BAM */
  6176. if (REG_RD(bp, params->shmem_base +
  6177. offsetof(struct shmem_region, dev_info.
  6178. port_hw_config[params->port].default_cfg)) &
  6179. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6180. bnx2x_cl45_read(bp, phy,
  6181. MDIO_AN_DEVAD,
  6182. MDIO_AN_REG_8073_BAM, &val);
  6183. bnx2x_cl45_write(bp, phy,
  6184. MDIO_AN_DEVAD,
  6185. MDIO_AN_REG_8073_BAM, val | 1);
  6186. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6187. }
  6188. if (params->loopback_mode == LOOPBACK_EXT) {
  6189. bnx2x_807x_force_10G(bp, phy);
  6190. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6191. return 0;
  6192. } else {
  6193. bnx2x_cl45_write(bp, phy,
  6194. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6195. }
  6196. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6197. if (phy->req_line_speed == SPEED_10000) {
  6198. val = (1<<7);
  6199. } else if (phy->req_line_speed == SPEED_2500) {
  6200. val = (1<<5);
  6201. /*
  6202. * Note that 2.5G works only when used with 1G
  6203. * advertisement
  6204. */
  6205. } else
  6206. val = (1<<5);
  6207. } else {
  6208. val = 0;
  6209. if (phy->speed_cap_mask &
  6210. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6211. val |= (1<<7);
  6212. /* Note that 2.5G works only when used with 1G advertisement */
  6213. if (phy->speed_cap_mask &
  6214. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6215. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6216. val |= (1<<5);
  6217. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6218. }
  6219. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6220. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6221. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6222. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6223. (phy->req_line_speed == SPEED_2500)) {
  6224. u16 phy_ver;
  6225. /* Allow 2.5G for A1 and above */
  6226. bnx2x_cl45_read(bp, phy,
  6227. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6228. &phy_ver);
  6229. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6230. if (phy_ver > 0)
  6231. tmp1 |= 1;
  6232. else
  6233. tmp1 &= 0xfffe;
  6234. } else {
  6235. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6236. tmp1 &= 0xfffe;
  6237. }
  6238. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6239. /* Add support for CL37 (passive mode) II */
  6240. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6241. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6242. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6243. 0x20 : 0x40)));
  6244. /* Add support for CL37 (passive mode) III */
  6245. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6246. /*
  6247. * The SNR will improve about 2db by changing BW and FEE main
  6248. * tap. Rest commands are executed after link is up
  6249. * Change FFE main cursor to 5 in EDC register
  6250. */
  6251. if (bnx2x_8073_is_snr_needed(bp, phy))
  6252. bnx2x_cl45_write(bp, phy,
  6253. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6254. 0xFB0C);
  6255. /* Enable FEC (Forware Error Correction) Request in the AN */
  6256. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6257. tmp1 |= (1<<15);
  6258. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6259. bnx2x_ext_phy_set_pause(params, phy, vars);
  6260. /* Restart autoneg */
  6261. msleep(500);
  6262. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6263. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6264. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6265. return 0;
  6266. }
  6267. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6268. struct link_params *params,
  6269. struct link_vars *vars)
  6270. {
  6271. struct bnx2x *bp = params->bp;
  6272. u8 link_up = 0;
  6273. u16 val1, val2;
  6274. u16 link_status = 0;
  6275. u16 an1000_status = 0;
  6276. bnx2x_cl45_read(bp, phy,
  6277. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6278. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6279. /* clear the interrupt LASI status register */
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6282. bnx2x_cl45_read(bp, phy,
  6283. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6284. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6285. /* Clear MSG-OUT */
  6286. bnx2x_cl45_read(bp, phy,
  6287. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6288. /* Check the LASI */
  6289. bnx2x_cl45_read(bp, phy,
  6290. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6291. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6292. /* Check the link status */
  6293. bnx2x_cl45_read(bp, phy,
  6294. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6295. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6296. bnx2x_cl45_read(bp, phy,
  6297. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6298. bnx2x_cl45_read(bp, phy,
  6299. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6300. link_up = ((val1 & 4) == 4);
  6301. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6302. if (link_up &&
  6303. ((phy->req_line_speed != SPEED_10000))) {
  6304. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6305. return 0;
  6306. }
  6307. bnx2x_cl45_read(bp, phy,
  6308. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6309. bnx2x_cl45_read(bp, phy,
  6310. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6311. /* Check the link status on 1.1.2 */
  6312. bnx2x_cl45_read(bp, phy,
  6313. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6314. bnx2x_cl45_read(bp, phy,
  6315. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6316. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6317. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6318. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6319. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6320. /*
  6321. * The SNR will improve about 2dbby changing the BW and FEE main
  6322. * tap. The 1st write to change FFE main tap is set before
  6323. * restart AN. Change PLL Bandwidth in EDC register
  6324. */
  6325. bnx2x_cl45_write(bp, phy,
  6326. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6327. 0x26BC);
  6328. /* Change CDR Bandwidth in EDC register */
  6329. bnx2x_cl45_write(bp, phy,
  6330. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6331. 0x0333);
  6332. }
  6333. bnx2x_cl45_read(bp, phy,
  6334. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6335. &link_status);
  6336. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6337. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6338. link_up = 1;
  6339. vars->line_speed = SPEED_10000;
  6340. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6341. params->port);
  6342. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6343. link_up = 1;
  6344. vars->line_speed = SPEED_2500;
  6345. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6346. params->port);
  6347. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6348. link_up = 1;
  6349. vars->line_speed = SPEED_1000;
  6350. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6351. params->port);
  6352. } else {
  6353. link_up = 0;
  6354. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6355. params->port);
  6356. }
  6357. if (link_up) {
  6358. /* Swap polarity if required */
  6359. if (params->lane_config &
  6360. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6361. /* Configure the 8073 to swap P and N of the KR lines */
  6362. bnx2x_cl45_read(bp, phy,
  6363. MDIO_XS_DEVAD,
  6364. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6365. /*
  6366. * Set bit 3 to invert Rx in 1G mode and clear this bit
  6367. * when it`s in 10G mode.
  6368. */
  6369. if (vars->line_speed == SPEED_1000) {
  6370. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6371. "the 8073\n");
  6372. val1 |= (1<<3);
  6373. } else
  6374. val1 &= ~(1<<3);
  6375. bnx2x_cl45_write(bp, phy,
  6376. MDIO_XS_DEVAD,
  6377. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6378. val1);
  6379. }
  6380. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6381. bnx2x_8073_resolve_fc(phy, params, vars);
  6382. vars->duplex = DUPLEX_FULL;
  6383. }
  6384. return link_up;
  6385. }
  6386. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6387. struct link_params *params)
  6388. {
  6389. struct bnx2x *bp = params->bp;
  6390. u8 gpio_port;
  6391. if (CHIP_IS_E2(bp))
  6392. gpio_port = BP_PATH(bp);
  6393. else
  6394. gpio_port = params->port;
  6395. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6396. gpio_port);
  6397. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6398. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6399. gpio_port);
  6400. }
  6401. /******************************************************************/
  6402. /* BCM8705 PHY SECTION */
  6403. /******************************************************************/
  6404. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6405. struct link_params *params,
  6406. struct link_vars *vars)
  6407. {
  6408. struct bnx2x *bp = params->bp;
  6409. DP(NETIF_MSG_LINK, "init 8705\n");
  6410. /* Restore normal power mode*/
  6411. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6412. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6413. /* HW reset */
  6414. bnx2x_ext_phy_hw_reset(bp, params->port);
  6415. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6416. bnx2x_wait_reset_complete(bp, phy, params);
  6417. bnx2x_cl45_write(bp, phy,
  6418. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6419. bnx2x_cl45_write(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6421. bnx2x_cl45_write(bp, phy,
  6422. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6423. bnx2x_cl45_write(bp, phy,
  6424. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6425. /* BCM8705 doesn't have microcode, hence the 0 */
  6426. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6427. return 0;
  6428. }
  6429. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6430. struct link_params *params,
  6431. struct link_vars *vars)
  6432. {
  6433. u8 link_up = 0;
  6434. u16 val1, rx_sd;
  6435. struct bnx2x *bp = params->bp;
  6436. DP(NETIF_MSG_LINK, "read status 8705\n");
  6437. bnx2x_cl45_read(bp, phy,
  6438. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6439. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6440. bnx2x_cl45_read(bp, phy,
  6441. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6442. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6443. bnx2x_cl45_read(bp, phy,
  6444. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6445. bnx2x_cl45_read(bp, phy,
  6446. MDIO_PMA_DEVAD, 0xc809, &val1);
  6447. bnx2x_cl45_read(bp, phy,
  6448. MDIO_PMA_DEVAD, 0xc809, &val1);
  6449. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6450. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6451. if (link_up) {
  6452. vars->line_speed = SPEED_10000;
  6453. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6454. }
  6455. return link_up;
  6456. }
  6457. /******************************************************************/
  6458. /* SFP+ module Section */
  6459. /******************************************************************/
  6460. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6461. struct bnx2x_phy *phy,
  6462. u8 pmd_dis)
  6463. {
  6464. struct bnx2x *bp = params->bp;
  6465. /*
  6466. * Disable transmitter only for bootcodes which can enable it afterwards
  6467. * (for D3 link)
  6468. */
  6469. if (pmd_dis) {
  6470. if (params->feature_config_flags &
  6471. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6472. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6473. else {
  6474. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6475. return;
  6476. }
  6477. } else
  6478. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6479. bnx2x_cl45_write(bp, phy,
  6480. MDIO_PMA_DEVAD,
  6481. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6482. }
  6483. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6484. {
  6485. u8 gpio_port;
  6486. u32 swap_val, swap_override;
  6487. struct bnx2x *bp = params->bp;
  6488. if (CHIP_IS_E2(bp))
  6489. gpio_port = BP_PATH(bp);
  6490. else
  6491. gpio_port = params->port;
  6492. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6493. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6494. return gpio_port ^ (swap_val && swap_override);
  6495. }
  6496. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6497. struct bnx2x_phy *phy,
  6498. u8 tx_en)
  6499. {
  6500. u16 val;
  6501. u8 port = params->port;
  6502. struct bnx2x *bp = params->bp;
  6503. u32 tx_en_mode;
  6504. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6505. tx_en_mode = REG_RD(bp, params->shmem_base +
  6506. offsetof(struct shmem_region,
  6507. dev_info.port_hw_config[port].sfp_ctrl)) &
  6508. PORT_HW_CFG_TX_LASER_MASK;
  6509. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6510. "mode = %x\n", tx_en, port, tx_en_mode);
  6511. switch (tx_en_mode) {
  6512. case PORT_HW_CFG_TX_LASER_MDIO:
  6513. bnx2x_cl45_read(bp, phy,
  6514. MDIO_PMA_DEVAD,
  6515. MDIO_PMA_REG_PHY_IDENTIFIER,
  6516. &val);
  6517. if (tx_en)
  6518. val &= ~(1<<15);
  6519. else
  6520. val |= (1<<15);
  6521. bnx2x_cl45_write(bp, phy,
  6522. MDIO_PMA_DEVAD,
  6523. MDIO_PMA_REG_PHY_IDENTIFIER,
  6524. val);
  6525. break;
  6526. case PORT_HW_CFG_TX_LASER_GPIO0:
  6527. case PORT_HW_CFG_TX_LASER_GPIO1:
  6528. case PORT_HW_CFG_TX_LASER_GPIO2:
  6529. case PORT_HW_CFG_TX_LASER_GPIO3:
  6530. {
  6531. u16 gpio_pin;
  6532. u8 gpio_port, gpio_mode;
  6533. if (tx_en)
  6534. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6535. else
  6536. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6537. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6538. gpio_port = bnx2x_get_gpio_port(params);
  6539. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6540. break;
  6541. }
  6542. default:
  6543. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6544. break;
  6545. }
  6546. }
  6547. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6548. struct bnx2x_phy *phy,
  6549. u8 tx_en)
  6550. {
  6551. struct bnx2x *bp = params->bp;
  6552. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6553. if (CHIP_IS_E3(bp))
  6554. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6555. else
  6556. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6557. }
  6558. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6559. struct link_params *params,
  6560. u16 addr, u8 byte_cnt, u8 *o_buf)
  6561. {
  6562. struct bnx2x *bp = params->bp;
  6563. u16 val = 0;
  6564. u16 i;
  6565. if (byte_cnt > 16) {
  6566. DP(NETIF_MSG_LINK,
  6567. "Reading from eeprom is limited to 0xf\n");
  6568. return -EINVAL;
  6569. }
  6570. /* Set the read command byte count */
  6571. bnx2x_cl45_write(bp, phy,
  6572. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6573. (byte_cnt | 0xa000));
  6574. /* Set the read command address */
  6575. bnx2x_cl45_write(bp, phy,
  6576. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6577. addr);
  6578. /* Activate read command */
  6579. bnx2x_cl45_write(bp, phy,
  6580. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6581. 0x2c0f);
  6582. /* Wait up to 500us for command complete status */
  6583. for (i = 0; i < 100; i++) {
  6584. bnx2x_cl45_read(bp, phy,
  6585. MDIO_PMA_DEVAD,
  6586. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6587. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6588. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6589. break;
  6590. udelay(5);
  6591. }
  6592. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6593. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6594. DP(NETIF_MSG_LINK,
  6595. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6596. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6597. return -EINVAL;
  6598. }
  6599. /* Read the buffer */
  6600. for (i = 0; i < byte_cnt; i++) {
  6601. bnx2x_cl45_read(bp, phy,
  6602. MDIO_PMA_DEVAD,
  6603. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6604. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6605. }
  6606. for (i = 0; i < 100; i++) {
  6607. bnx2x_cl45_read(bp, phy,
  6608. MDIO_PMA_DEVAD,
  6609. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6610. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6611. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6612. return 0;
  6613. msleep(1);
  6614. }
  6615. return -EINVAL;
  6616. }
  6617. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6618. struct link_params *params,
  6619. u16 addr, u8 byte_cnt,
  6620. u8 *o_buf)
  6621. {
  6622. int rc = 0;
  6623. u8 i, j = 0, cnt = 0;
  6624. u32 data_array[4];
  6625. u16 addr32;
  6626. struct bnx2x *bp = params->bp;
  6627. /*DP(NETIF_MSG_LINK, "bnx2x_direct_read_sfp_module_eeprom:"
  6628. " addr %d, cnt %d\n",
  6629. addr, byte_cnt);*/
  6630. if (byte_cnt > 16) {
  6631. DP(NETIF_MSG_LINK,
  6632. "Reading from eeprom is limited to 16 bytes\n");
  6633. return -EINVAL;
  6634. }
  6635. /* 4 byte aligned address */
  6636. addr32 = addr & (~0x3);
  6637. do {
  6638. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6639. data_array);
  6640. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6641. if (rc == 0) {
  6642. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6643. o_buf[j] = *((u8 *)data_array + i);
  6644. j++;
  6645. }
  6646. }
  6647. return rc;
  6648. }
  6649. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6650. struct link_params *params,
  6651. u16 addr, u8 byte_cnt, u8 *o_buf)
  6652. {
  6653. struct bnx2x *bp = params->bp;
  6654. u16 val, i;
  6655. if (byte_cnt > 16) {
  6656. DP(NETIF_MSG_LINK,
  6657. "Reading from eeprom is limited to 0xf\n");
  6658. return -EINVAL;
  6659. }
  6660. /* Need to read from 1.8000 to clear it */
  6661. bnx2x_cl45_read(bp, phy,
  6662. MDIO_PMA_DEVAD,
  6663. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6664. &val);
  6665. /* Set the read command byte count */
  6666. bnx2x_cl45_write(bp, phy,
  6667. MDIO_PMA_DEVAD,
  6668. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6669. ((byte_cnt < 2) ? 2 : byte_cnt));
  6670. /* Set the read command address */
  6671. bnx2x_cl45_write(bp, phy,
  6672. MDIO_PMA_DEVAD,
  6673. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6674. addr);
  6675. /* Set the destination address */
  6676. bnx2x_cl45_write(bp, phy,
  6677. MDIO_PMA_DEVAD,
  6678. 0x8004,
  6679. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6680. /* Activate read command */
  6681. bnx2x_cl45_write(bp, phy,
  6682. MDIO_PMA_DEVAD,
  6683. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6684. 0x8002);
  6685. /*
  6686. * Wait appropriate time for two-wire command to finish before
  6687. * polling the status register
  6688. */
  6689. msleep(1);
  6690. /* Wait up to 500us for command complete status */
  6691. for (i = 0; i < 100; i++) {
  6692. bnx2x_cl45_read(bp, phy,
  6693. MDIO_PMA_DEVAD,
  6694. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6695. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6696. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6697. break;
  6698. udelay(5);
  6699. }
  6700. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6701. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6702. DP(NETIF_MSG_LINK,
  6703. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6704. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6705. return -EFAULT;
  6706. }
  6707. /* Read the buffer */
  6708. for (i = 0; i < byte_cnt; i++) {
  6709. bnx2x_cl45_read(bp, phy,
  6710. MDIO_PMA_DEVAD,
  6711. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6712. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6713. }
  6714. for (i = 0; i < 100; i++) {
  6715. bnx2x_cl45_read(bp, phy,
  6716. MDIO_PMA_DEVAD,
  6717. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6718. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6719. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6720. return 0;
  6721. msleep(1);
  6722. }
  6723. return -EINVAL;
  6724. }
  6725. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6726. struct link_params *params, u16 addr,
  6727. u8 byte_cnt, u8 *o_buf)
  6728. {
  6729. int rc = -EINVAL;
  6730. switch (phy->type) {
  6731. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6732. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6733. byte_cnt, o_buf);
  6734. break;
  6735. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6736. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6737. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6738. byte_cnt, o_buf);
  6739. break;
  6740. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6741. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6742. byte_cnt, o_buf);
  6743. break;
  6744. }
  6745. return rc;
  6746. }
  6747. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6748. struct link_params *params,
  6749. u16 *edc_mode)
  6750. {
  6751. struct bnx2x *bp = params->bp;
  6752. u32 sync_offset = 0, phy_idx, media_types;
  6753. u8 val, check_limiting_mode = 0;
  6754. *edc_mode = EDC_MODE_LIMITING;
  6755. phy->media_type = ETH_PHY_UNSPECIFIED;
  6756. /* First check for copper cable */
  6757. if (bnx2x_read_sfp_module_eeprom(phy,
  6758. params,
  6759. SFP_EEPROM_CON_TYPE_ADDR,
  6760. 1,
  6761. &val) != 0) {
  6762. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6763. return -EINVAL;
  6764. }
  6765. switch (val) {
  6766. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6767. {
  6768. u8 copper_module_type;
  6769. phy->media_type = ETH_PHY_DA_TWINAX;
  6770. /*
  6771. * Check if its active cable (includes SFP+ module)
  6772. * of passive cable
  6773. */
  6774. if (bnx2x_read_sfp_module_eeprom(phy,
  6775. params,
  6776. SFP_EEPROM_FC_TX_TECH_ADDR,
  6777. 1,
  6778. &copper_module_type) != 0) {
  6779. DP(NETIF_MSG_LINK,
  6780. "Failed to read copper-cable-type"
  6781. " from SFP+ EEPROM\n");
  6782. return -EINVAL;
  6783. }
  6784. if (copper_module_type &
  6785. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6786. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6787. check_limiting_mode = 1;
  6788. } else if (copper_module_type &
  6789. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6790. DP(NETIF_MSG_LINK,
  6791. "Passive Copper cable detected\n");
  6792. *edc_mode =
  6793. EDC_MODE_PASSIVE_DAC;
  6794. } else {
  6795. DP(NETIF_MSG_LINK,
  6796. "Unknown copper-cable-type 0x%x !!!\n",
  6797. copper_module_type);
  6798. return -EINVAL;
  6799. }
  6800. break;
  6801. }
  6802. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6803. phy->media_type = ETH_PHY_SFP_FIBER;
  6804. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6805. check_limiting_mode = 1;
  6806. break;
  6807. default:
  6808. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6809. val);
  6810. return -EINVAL;
  6811. }
  6812. sync_offset = params->shmem_base +
  6813. offsetof(struct shmem_region,
  6814. dev_info.port_hw_config[params->port].media_type);
  6815. media_types = REG_RD(bp, sync_offset);
  6816. /* Update media type for non-PMF sync */
  6817. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6818. if (&(params->phy[phy_idx]) == phy) {
  6819. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6820. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6821. media_types |= ((phy->media_type &
  6822. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6823. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6824. break;
  6825. }
  6826. }
  6827. REG_WR(bp, sync_offset, media_types);
  6828. if (check_limiting_mode) {
  6829. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6830. if (bnx2x_read_sfp_module_eeprom(phy,
  6831. params,
  6832. SFP_EEPROM_OPTIONS_ADDR,
  6833. SFP_EEPROM_OPTIONS_SIZE,
  6834. options) != 0) {
  6835. DP(NETIF_MSG_LINK,
  6836. "Failed to read Option field from module EEPROM\n");
  6837. return -EINVAL;
  6838. }
  6839. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6840. *edc_mode = EDC_MODE_LINEAR;
  6841. else
  6842. *edc_mode = EDC_MODE_LIMITING;
  6843. }
  6844. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6845. return 0;
  6846. }
  6847. /*
  6848. * This function read the relevant field from the module (SFP+), and verify it
  6849. * is compliant with this board
  6850. */
  6851. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6852. struct link_params *params)
  6853. {
  6854. struct bnx2x *bp = params->bp;
  6855. u32 val, cmd;
  6856. u32 fw_resp, fw_cmd_param;
  6857. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6858. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6859. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6860. val = REG_RD(bp, params->shmem_base +
  6861. offsetof(struct shmem_region, dev_info.
  6862. port_feature_config[params->port].config));
  6863. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6864. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6865. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6866. return 0;
  6867. }
  6868. if (params->feature_config_flags &
  6869. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6870. /* Use specific phy request */
  6871. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6872. } else if (params->feature_config_flags &
  6873. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6874. /* Use first phy request only in case of non-dual media*/
  6875. if (DUAL_MEDIA(params)) {
  6876. DP(NETIF_MSG_LINK,
  6877. "FW does not support OPT MDL verification\n");
  6878. return -EINVAL;
  6879. }
  6880. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6881. } else {
  6882. /* No support in OPT MDL detection */
  6883. DP(NETIF_MSG_LINK,
  6884. "FW does not support OPT MDL verification\n");
  6885. return -EINVAL;
  6886. }
  6887. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6888. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6889. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6890. DP(NETIF_MSG_LINK, "Approved module\n");
  6891. return 0;
  6892. }
  6893. /* format the warning message */
  6894. if (bnx2x_read_sfp_module_eeprom(phy,
  6895. params,
  6896. SFP_EEPROM_VENDOR_NAME_ADDR,
  6897. SFP_EEPROM_VENDOR_NAME_SIZE,
  6898. (u8 *)vendor_name))
  6899. vendor_name[0] = '\0';
  6900. else
  6901. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6902. if (bnx2x_read_sfp_module_eeprom(phy,
  6903. params,
  6904. SFP_EEPROM_PART_NO_ADDR,
  6905. SFP_EEPROM_PART_NO_SIZE,
  6906. (u8 *)vendor_pn))
  6907. vendor_pn[0] = '\0';
  6908. else
  6909. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6910. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6911. " Port %d from %s part number %s\n",
  6912. params->port, vendor_name, vendor_pn);
  6913. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6914. return -EINVAL;
  6915. }
  6916. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6917. struct link_params *params)
  6918. {
  6919. u8 val;
  6920. struct bnx2x *bp = params->bp;
  6921. u16 timeout;
  6922. /*
  6923. * Initialization time after hot-plug may take up to 300ms for
  6924. * some phys type ( e.g. JDSU )
  6925. */
  6926. for (timeout = 0; timeout < 60; timeout++) {
  6927. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  6928. == 0) {
  6929. DP(NETIF_MSG_LINK,
  6930. "SFP+ module initialization took %d ms\n",
  6931. timeout * 5);
  6932. return 0;
  6933. }
  6934. msleep(5);
  6935. }
  6936. return -EINVAL;
  6937. }
  6938. static void bnx2x_8727_power_module(struct bnx2x *bp,
  6939. struct bnx2x_phy *phy,
  6940. u8 is_power_up) {
  6941. /* Make sure GPIOs are not using for LED mode */
  6942. u16 val;
  6943. /*
  6944. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  6945. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  6946. * output
  6947. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  6948. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  6949. * where the 1st bit is the over-current(only input), and 2nd bit is
  6950. * for power( only output )
  6951. *
  6952. * In case of NOC feature is disabled and power is up, set GPIO control
  6953. * as input to enable listening of over-current indication
  6954. */
  6955. if (phy->flags & FLAGS_NOC)
  6956. return;
  6957. if (is_power_up)
  6958. val = (1<<4);
  6959. else
  6960. /*
  6961. * Set GPIO control to OUTPUT, and set the power bit
  6962. * to according to the is_power_up
  6963. */
  6964. val = (1<<1);
  6965. bnx2x_cl45_write(bp, phy,
  6966. MDIO_PMA_DEVAD,
  6967. MDIO_PMA_REG_8727_GPIO_CTRL,
  6968. val);
  6969. }
  6970. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  6971. struct bnx2x_phy *phy,
  6972. u16 edc_mode)
  6973. {
  6974. u16 cur_limiting_mode;
  6975. bnx2x_cl45_read(bp, phy,
  6976. MDIO_PMA_DEVAD,
  6977. MDIO_PMA_REG_ROM_VER2,
  6978. &cur_limiting_mode);
  6979. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  6980. cur_limiting_mode);
  6981. if (edc_mode == EDC_MODE_LIMITING) {
  6982. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  6983. bnx2x_cl45_write(bp, phy,
  6984. MDIO_PMA_DEVAD,
  6985. MDIO_PMA_REG_ROM_VER2,
  6986. EDC_MODE_LIMITING);
  6987. } else { /* LRM mode ( default )*/
  6988. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  6989. /*
  6990. * Changing to LRM mode takes quite few seconds. So do it only
  6991. * if current mode is limiting (default is LRM)
  6992. */
  6993. if (cur_limiting_mode != EDC_MODE_LIMITING)
  6994. return 0;
  6995. bnx2x_cl45_write(bp, phy,
  6996. MDIO_PMA_DEVAD,
  6997. MDIO_PMA_REG_LRM_MODE,
  6998. 0);
  6999. bnx2x_cl45_write(bp, phy,
  7000. MDIO_PMA_DEVAD,
  7001. MDIO_PMA_REG_ROM_VER2,
  7002. 0x128);
  7003. bnx2x_cl45_write(bp, phy,
  7004. MDIO_PMA_DEVAD,
  7005. MDIO_PMA_REG_MISC_CTRL0,
  7006. 0x4008);
  7007. bnx2x_cl45_write(bp, phy,
  7008. MDIO_PMA_DEVAD,
  7009. MDIO_PMA_REG_LRM_MODE,
  7010. 0xaaaa);
  7011. }
  7012. return 0;
  7013. }
  7014. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7015. struct bnx2x_phy *phy,
  7016. u16 edc_mode)
  7017. {
  7018. u16 phy_identifier;
  7019. u16 rom_ver2_val;
  7020. bnx2x_cl45_read(bp, phy,
  7021. MDIO_PMA_DEVAD,
  7022. MDIO_PMA_REG_PHY_IDENTIFIER,
  7023. &phy_identifier);
  7024. bnx2x_cl45_write(bp, phy,
  7025. MDIO_PMA_DEVAD,
  7026. MDIO_PMA_REG_PHY_IDENTIFIER,
  7027. (phy_identifier & ~(1<<9)));
  7028. bnx2x_cl45_read(bp, phy,
  7029. MDIO_PMA_DEVAD,
  7030. MDIO_PMA_REG_ROM_VER2,
  7031. &rom_ver2_val);
  7032. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7033. bnx2x_cl45_write(bp, phy,
  7034. MDIO_PMA_DEVAD,
  7035. MDIO_PMA_REG_ROM_VER2,
  7036. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7037. bnx2x_cl45_write(bp, phy,
  7038. MDIO_PMA_DEVAD,
  7039. MDIO_PMA_REG_PHY_IDENTIFIER,
  7040. (phy_identifier | (1<<9)));
  7041. return 0;
  7042. }
  7043. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7044. struct link_params *params,
  7045. u32 action)
  7046. {
  7047. struct bnx2x *bp = params->bp;
  7048. switch (action) {
  7049. case DISABLE_TX:
  7050. bnx2x_sfp_set_transmitter(params, phy, 0);
  7051. break;
  7052. case ENABLE_TX:
  7053. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7054. bnx2x_sfp_set_transmitter(params, phy, 1);
  7055. break;
  7056. default:
  7057. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7058. action);
  7059. return;
  7060. }
  7061. }
  7062. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7063. u8 gpio_mode)
  7064. {
  7065. struct bnx2x *bp = params->bp;
  7066. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7067. offsetof(struct shmem_region,
  7068. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7069. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7070. switch (fault_led_gpio) {
  7071. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7072. return;
  7073. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7074. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7075. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7076. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7077. {
  7078. u8 gpio_port = bnx2x_get_gpio_port(params);
  7079. u16 gpio_pin = fault_led_gpio -
  7080. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7081. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7082. "pin %x port %x mode %x\n",
  7083. gpio_pin, gpio_port, gpio_mode);
  7084. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7085. }
  7086. break;
  7087. default:
  7088. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7089. fault_led_gpio);
  7090. }
  7091. }
  7092. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7093. u8 gpio_mode)
  7094. {
  7095. u32 pin_cfg;
  7096. u8 port = params->port;
  7097. struct bnx2x *bp = params->bp;
  7098. pin_cfg = (REG_RD(bp, params->shmem_base +
  7099. offsetof(struct shmem_region,
  7100. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7101. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7102. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7103. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7104. gpio_mode, pin_cfg);
  7105. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7106. }
  7107. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7108. u8 gpio_mode)
  7109. {
  7110. struct bnx2x *bp = params->bp;
  7111. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7112. if (CHIP_IS_E3(bp)) {
  7113. /*
  7114. * Low ==> if SFP+ module is supported otherwise
  7115. * High ==> if SFP+ module is not on the approved vendor list
  7116. */
  7117. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7118. } else
  7119. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7120. }
  7121. static void bnx2x_warpcore_power_module(struct link_params *params,
  7122. struct bnx2x_phy *phy,
  7123. u8 power)
  7124. {
  7125. u32 pin_cfg;
  7126. struct bnx2x *bp = params->bp;
  7127. pin_cfg = (REG_RD(bp, params->shmem_base +
  7128. offsetof(struct shmem_region,
  7129. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7130. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7131. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7132. if (pin_cfg == PIN_CFG_NA)
  7133. return;
  7134. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7135. power, pin_cfg);
  7136. /*
  7137. * Low ==> corresponding SFP+ module is powered
  7138. * high ==> the SFP+ module is powered down
  7139. */
  7140. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7141. }
  7142. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7143. struct link_params *params)
  7144. {
  7145. bnx2x_warpcore_power_module(params, phy, 0);
  7146. }
  7147. static void bnx2x_power_sfp_module(struct link_params *params,
  7148. struct bnx2x_phy *phy,
  7149. u8 power)
  7150. {
  7151. struct bnx2x *bp = params->bp;
  7152. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7153. switch (phy->type) {
  7154. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7155. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7156. bnx2x_8727_power_module(params->bp, phy, power);
  7157. break;
  7158. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7159. bnx2x_warpcore_power_module(params, phy, power);
  7160. break;
  7161. default:
  7162. break;
  7163. }
  7164. }
  7165. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7166. struct bnx2x_phy *phy,
  7167. u16 edc_mode)
  7168. {
  7169. u16 val = 0;
  7170. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7171. struct bnx2x *bp = params->bp;
  7172. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7173. /* This is a global register which controls all lanes */
  7174. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7175. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7176. val &= ~(0xf << (lane << 2));
  7177. switch (edc_mode) {
  7178. case EDC_MODE_LINEAR:
  7179. case EDC_MODE_LIMITING:
  7180. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7181. break;
  7182. case EDC_MODE_PASSIVE_DAC:
  7183. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7184. break;
  7185. default:
  7186. break;
  7187. }
  7188. val |= (mode << (lane << 2));
  7189. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7190. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7191. /* A must read */
  7192. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7193. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7194. /* Restart microcode to re-read the new mode */
  7195. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7196. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7197. }
  7198. static void bnx2x_set_limiting_mode(struct link_params *params,
  7199. struct bnx2x_phy *phy,
  7200. u16 edc_mode)
  7201. {
  7202. switch (phy->type) {
  7203. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7204. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7205. break;
  7206. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7207. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7208. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7209. break;
  7210. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7211. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7212. break;
  7213. }
  7214. }
  7215. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7216. struct link_params *params)
  7217. {
  7218. struct bnx2x *bp = params->bp;
  7219. u16 edc_mode;
  7220. int rc = 0;
  7221. u32 val = REG_RD(bp, params->shmem_base +
  7222. offsetof(struct shmem_region, dev_info.
  7223. port_feature_config[params->port].config));
  7224. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7225. params->port);
  7226. /* Power up module */
  7227. bnx2x_power_sfp_module(params, phy, 1);
  7228. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7229. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7230. return -EINVAL;
  7231. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7232. /* check SFP+ module compatibility */
  7233. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7234. rc = -EINVAL;
  7235. /* Turn on fault module-detected led */
  7236. bnx2x_set_sfp_module_fault_led(params,
  7237. MISC_REGISTERS_GPIO_HIGH);
  7238. /* Check if need to power down the SFP+ module */
  7239. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7240. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7241. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7242. bnx2x_power_sfp_module(params, phy, 0);
  7243. return rc;
  7244. }
  7245. } else {
  7246. /* Turn off fault module-detected led */
  7247. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7248. }
  7249. /*
  7250. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  7251. * is done automatically
  7252. */
  7253. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7254. /*
  7255. * Enable transmit for this module if the module is approved, or
  7256. * if unapproved modules should also enable the Tx laser
  7257. */
  7258. if (rc == 0 ||
  7259. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7260. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7261. bnx2x_sfp_set_transmitter(params, phy, 1);
  7262. else
  7263. bnx2x_sfp_set_transmitter(params, phy, 0);
  7264. return rc;
  7265. }
  7266. void bnx2x_handle_module_detect_int(struct link_params *params)
  7267. {
  7268. struct bnx2x *bp = params->bp;
  7269. struct bnx2x_phy *phy;
  7270. u32 gpio_val;
  7271. u8 gpio_num, gpio_port;
  7272. if (CHIP_IS_E3(bp))
  7273. phy = &params->phy[INT_PHY];
  7274. else
  7275. phy = &params->phy[EXT_PHY1];
  7276. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7277. params->port, &gpio_num, &gpio_port) ==
  7278. -EINVAL) {
  7279. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7280. return;
  7281. }
  7282. /* Set valid module led off */
  7283. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7284. /* Get current gpio val reflecting module plugged in / out*/
  7285. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7286. /* Call the handling function in case module is detected */
  7287. if (gpio_val == 0) {
  7288. bnx2x_power_sfp_module(params, phy, 1);
  7289. bnx2x_set_gpio_int(bp, gpio_num,
  7290. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7291. gpio_port);
  7292. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7293. bnx2x_sfp_module_detection(phy, params);
  7294. else
  7295. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7296. } else {
  7297. u32 val = REG_RD(bp, params->shmem_base +
  7298. offsetof(struct shmem_region, dev_info.
  7299. port_feature_config[params->port].
  7300. config));
  7301. bnx2x_set_gpio_int(bp, gpio_num,
  7302. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7303. gpio_port);
  7304. /*
  7305. * Module was plugged out.
  7306. * Disable transmit for this module
  7307. */
  7308. phy->media_type = ETH_PHY_NOT_PRESENT;
  7309. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7310. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7311. CHIP_IS_E3(bp))
  7312. bnx2x_sfp_set_transmitter(params, phy, 0);
  7313. }
  7314. }
  7315. /******************************************************************/
  7316. /* Used by 8706 and 8727 */
  7317. /******************************************************************/
  7318. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7319. struct bnx2x_phy *phy,
  7320. u16 alarm_status_offset,
  7321. u16 alarm_ctrl_offset)
  7322. {
  7323. u16 alarm_status, val;
  7324. bnx2x_cl45_read(bp, phy,
  7325. MDIO_PMA_DEVAD, alarm_status_offset,
  7326. &alarm_status);
  7327. bnx2x_cl45_read(bp, phy,
  7328. MDIO_PMA_DEVAD, alarm_status_offset,
  7329. &alarm_status);
  7330. /* Mask or enable the fault event. */
  7331. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7332. if (alarm_status & (1<<0))
  7333. val &= ~(1<<0);
  7334. else
  7335. val |= (1<<0);
  7336. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7337. }
  7338. /******************************************************************/
  7339. /* common BCM8706/BCM8726 PHY SECTION */
  7340. /******************************************************************/
  7341. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7342. struct link_params *params,
  7343. struct link_vars *vars)
  7344. {
  7345. u8 link_up = 0;
  7346. u16 val1, val2, rx_sd, pcs_status;
  7347. struct bnx2x *bp = params->bp;
  7348. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7349. /* Clear RX Alarm*/
  7350. bnx2x_cl45_read(bp, phy,
  7351. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7352. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7353. MDIO_PMA_LASI_TXCTRL);
  7354. /* clear LASI indication*/
  7355. bnx2x_cl45_read(bp, phy,
  7356. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7357. bnx2x_cl45_read(bp, phy,
  7358. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7359. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7360. bnx2x_cl45_read(bp, phy,
  7361. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7362. bnx2x_cl45_read(bp, phy,
  7363. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7364. bnx2x_cl45_read(bp, phy,
  7365. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7366. bnx2x_cl45_read(bp, phy,
  7367. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7368. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7369. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7370. /*
  7371. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7372. * are set, or if the autoneg bit 1 is set
  7373. */
  7374. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7375. if (link_up) {
  7376. if (val2 & (1<<1))
  7377. vars->line_speed = SPEED_1000;
  7378. else
  7379. vars->line_speed = SPEED_10000;
  7380. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7381. vars->duplex = DUPLEX_FULL;
  7382. }
  7383. /* Capture 10G link fault. Read twice to clear stale value. */
  7384. if (vars->line_speed == SPEED_10000) {
  7385. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7386. MDIO_PMA_LASI_TXSTAT, &val1);
  7387. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7388. MDIO_PMA_LASI_TXSTAT, &val1);
  7389. if (val1 & (1<<0))
  7390. vars->fault_detected = 1;
  7391. }
  7392. return link_up;
  7393. }
  7394. /******************************************************************/
  7395. /* BCM8706 PHY SECTION */
  7396. /******************************************************************/
  7397. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7398. struct link_params *params,
  7399. struct link_vars *vars)
  7400. {
  7401. u32 tx_en_mode;
  7402. u16 cnt, val, tmp1;
  7403. struct bnx2x *bp = params->bp;
  7404. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7405. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7406. /* HW reset */
  7407. bnx2x_ext_phy_hw_reset(bp, params->port);
  7408. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7409. bnx2x_wait_reset_complete(bp, phy, params);
  7410. /* Wait until fw is loaded */
  7411. for (cnt = 0; cnt < 100; cnt++) {
  7412. bnx2x_cl45_read(bp, phy,
  7413. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7414. if (val)
  7415. break;
  7416. msleep(10);
  7417. }
  7418. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7419. if ((params->feature_config_flags &
  7420. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7421. u8 i;
  7422. u16 reg;
  7423. for (i = 0; i < 4; i++) {
  7424. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7425. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7426. MDIO_XS_8706_REG_BANK_RX0);
  7427. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7428. /* Clear first 3 bits of the control */
  7429. val &= ~0x7;
  7430. /* Set control bits according to configuration */
  7431. val |= (phy->rx_preemphasis[i] & 0x7);
  7432. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7433. " reg 0x%x <-- val 0x%x\n", reg, val);
  7434. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7435. }
  7436. }
  7437. /* Force speed */
  7438. if (phy->req_line_speed == SPEED_10000) {
  7439. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7440. bnx2x_cl45_write(bp, phy,
  7441. MDIO_PMA_DEVAD,
  7442. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7443. bnx2x_cl45_write(bp, phy,
  7444. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7445. 0);
  7446. /* Arm LASI for link and Tx fault. */
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7449. } else {
  7450. /* Force 1Gbps using autoneg with 1G advertisement */
  7451. /* Allow CL37 through CL73 */
  7452. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7453. bnx2x_cl45_write(bp, phy,
  7454. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7455. /* Enable Full-Duplex advertisement on CL37 */
  7456. bnx2x_cl45_write(bp, phy,
  7457. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7458. /* Enable CL37 AN */
  7459. bnx2x_cl45_write(bp, phy,
  7460. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7461. /* 1G support */
  7462. bnx2x_cl45_write(bp, phy,
  7463. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7464. /* Enable clause 73 AN */
  7465. bnx2x_cl45_write(bp, phy,
  7466. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7467. bnx2x_cl45_write(bp, phy,
  7468. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7469. 0x0400);
  7470. bnx2x_cl45_write(bp, phy,
  7471. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7472. 0x0004);
  7473. }
  7474. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7475. /*
  7476. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7477. * power mode, if TX Laser is disabled
  7478. */
  7479. tx_en_mode = REG_RD(bp, params->shmem_base +
  7480. offsetof(struct shmem_region,
  7481. dev_info.port_hw_config[params->port].sfp_ctrl))
  7482. & PORT_HW_CFG_TX_LASER_MASK;
  7483. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7484. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7485. bnx2x_cl45_read(bp, phy,
  7486. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7487. tmp1 |= 0x1;
  7488. bnx2x_cl45_write(bp, phy,
  7489. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7490. }
  7491. return 0;
  7492. }
  7493. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7494. struct link_params *params,
  7495. struct link_vars *vars)
  7496. {
  7497. return bnx2x_8706_8726_read_status(phy, params, vars);
  7498. }
  7499. /******************************************************************/
  7500. /* BCM8726 PHY SECTION */
  7501. /******************************************************************/
  7502. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7503. struct link_params *params)
  7504. {
  7505. struct bnx2x *bp = params->bp;
  7506. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7507. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7508. }
  7509. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7510. struct link_params *params)
  7511. {
  7512. struct bnx2x *bp = params->bp;
  7513. /* Need to wait 100ms after reset */
  7514. msleep(100);
  7515. /* Micro controller re-boot */
  7516. bnx2x_cl45_write(bp, phy,
  7517. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7518. /* Set soft reset */
  7519. bnx2x_cl45_write(bp, phy,
  7520. MDIO_PMA_DEVAD,
  7521. MDIO_PMA_REG_GEN_CTRL,
  7522. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7523. bnx2x_cl45_write(bp, phy,
  7524. MDIO_PMA_DEVAD,
  7525. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7526. bnx2x_cl45_write(bp, phy,
  7527. MDIO_PMA_DEVAD,
  7528. MDIO_PMA_REG_GEN_CTRL,
  7529. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7530. /* wait for 150ms for microcode load */
  7531. msleep(150);
  7532. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7533. bnx2x_cl45_write(bp, phy,
  7534. MDIO_PMA_DEVAD,
  7535. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7536. msleep(200);
  7537. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7538. }
  7539. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7540. struct link_params *params,
  7541. struct link_vars *vars)
  7542. {
  7543. struct bnx2x *bp = params->bp;
  7544. u16 val1;
  7545. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7546. if (link_up) {
  7547. bnx2x_cl45_read(bp, phy,
  7548. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7549. &val1);
  7550. if (val1 & (1<<15)) {
  7551. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7552. link_up = 0;
  7553. vars->line_speed = 0;
  7554. }
  7555. }
  7556. return link_up;
  7557. }
  7558. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7559. struct link_params *params,
  7560. struct link_vars *vars)
  7561. {
  7562. struct bnx2x *bp = params->bp;
  7563. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7564. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7565. bnx2x_wait_reset_complete(bp, phy, params);
  7566. bnx2x_8726_external_rom_boot(phy, params);
  7567. /*
  7568. * Need to call module detected on initialization since the module
  7569. * detection triggered by actual module insertion might occur before
  7570. * driver is loaded, and when driver is loaded, it reset all
  7571. * registers, including the transmitter
  7572. */
  7573. bnx2x_sfp_module_detection(phy, params);
  7574. if (phy->req_line_speed == SPEED_1000) {
  7575. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7576. bnx2x_cl45_write(bp, phy,
  7577. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7580. bnx2x_cl45_write(bp, phy,
  7581. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7582. bnx2x_cl45_write(bp, phy,
  7583. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7584. 0x400);
  7585. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7586. (phy->speed_cap_mask &
  7587. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7588. ((phy->speed_cap_mask &
  7589. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7590. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7591. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7592. /* Set Flow control */
  7593. bnx2x_ext_phy_set_pause(params, phy, vars);
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7598. bnx2x_cl45_write(bp, phy,
  7599. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7600. bnx2x_cl45_write(bp, phy,
  7601. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7602. bnx2x_cl45_write(bp, phy,
  7603. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7604. /*
  7605. * Enable RX-ALARM control to receive interrupt for 1G speed
  7606. * change
  7607. */
  7608. bnx2x_cl45_write(bp, phy,
  7609. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7610. bnx2x_cl45_write(bp, phy,
  7611. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7612. 0x400);
  7613. } else { /* Default 10G. Set only LASI control */
  7614. bnx2x_cl45_write(bp, phy,
  7615. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7616. }
  7617. /* Set TX PreEmphasis if needed */
  7618. if ((params->feature_config_flags &
  7619. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7620. DP(NETIF_MSG_LINK,
  7621. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7622. phy->tx_preemphasis[0],
  7623. phy->tx_preemphasis[1]);
  7624. bnx2x_cl45_write(bp, phy,
  7625. MDIO_PMA_DEVAD,
  7626. MDIO_PMA_REG_8726_TX_CTRL1,
  7627. phy->tx_preemphasis[0]);
  7628. bnx2x_cl45_write(bp, phy,
  7629. MDIO_PMA_DEVAD,
  7630. MDIO_PMA_REG_8726_TX_CTRL2,
  7631. phy->tx_preemphasis[1]);
  7632. }
  7633. return 0;
  7634. }
  7635. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7636. struct link_params *params)
  7637. {
  7638. struct bnx2x *bp = params->bp;
  7639. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7640. /* Set serial boot control for external load */
  7641. bnx2x_cl45_write(bp, phy,
  7642. MDIO_PMA_DEVAD,
  7643. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7644. }
  7645. /******************************************************************/
  7646. /* BCM8727 PHY SECTION */
  7647. /******************************************************************/
  7648. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7649. struct link_params *params, u8 mode)
  7650. {
  7651. struct bnx2x *bp = params->bp;
  7652. u16 led_mode_bitmask = 0;
  7653. u16 gpio_pins_bitmask = 0;
  7654. u16 val;
  7655. /* Only NOC flavor requires to set the LED specifically */
  7656. if (!(phy->flags & FLAGS_NOC))
  7657. return;
  7658. switch (mode) {
  7659. case LED_MODE_FRONT_PANEL_OFF:
  7660. case LED_MODE_OFF:
  7661. led_mode_bitmask = 0;
  7662. gpio_pins_bitmask = 0x03;
  7663. break;
  7664. case LED_MODE_ON:
  7665. led_mode_bitmask = 0;
  7666. gpio_pins_bitmask = 0x02;
  7667. break;
  7668. case LED_MODE_OPER:
  7669. led_mode_bitmask = 0x60;
  7670. gpio_pins_bitmask = 0x11;
  7671. break;
  7672. }
  7673. bnx2x_cl45_read(bp, phy,
  7674. MDIO_PMA_DEVAD,
  7675. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7676. &val);
  7677. val &= 0xff8f;
  7678. val |= led_mode_bitmask;
  7679. bnx2x_cl45_write(bp, phy,
  7680. MDIO_PMA_DEVAD,
  7681. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7682. val);
  7683. bnx2x_cl45_read(bp, phy,
  7684. MDIO_PMA_DEVAD,
  7685. MDIO_PMA_REG_8727_GPIO_CTRL,
  7686. &val);
  7687. val &= 0xffe0;
  7688. val |= gpio_pins_bitmask;
  7689. bnx2x_cl45_write(bp, phy,
  7690. MDIO_PMA_DEVAD,
  7691. MDIO_PMA_REG_8727_GPIO_CTRL,
  7692. val);
  7693. }
  7694. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7695. struct link_params *params) {
  7696. u32 swap_val, swap_override;
  7697. u8 port;
  7698. /*
  7699. * The PHY reset is controlled by GPIO 1. Fake the port number
  7700. * to cancel the swap done in set_gpio()
  7701. */
  7702. struct bnx2x *bp = params->bp;
  7703. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7704. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7705. port = (swap_val && swap_override) ^ 1;
  7706. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7707. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7708. }
  7709. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7710. struct link_params *params,
  7711. struct link_vars *vars)
  7712. {
  7713. u32 tx_en_mode;
  7714. u16 tmp1, val, mod_abs, tmp2;
  7715. u16 rx_alarm_ctrl_val;
  7716. u16 lasi_ctrl_val;
  7717. struct bnx2x *bp = params->bp;
  7718. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7719. bnx2x_wait_reset_complete(bp, phy, params);
  7720. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7721. /* Should be 0x6 to enable XS on Tx side. */
  7722. lasi_ctrl_val = 0x0006;
  7723. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7724. /* enable LASI */
  7725. bnx2x_cl45_write(bp, phy,
  7726. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7727. rx_alarm_ctrl_val);
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7730. 0);
  7731. bnx2x_cl45_write(bp, phy,
  7732. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7733. /*
  7734. * Initially configure MOD_ABS to interrupt when module is
  7735. * presence( bit 8)
  7736. */
  7737. bnx2x_cl45_read(bp, phy,
  7738. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7739. /*
  7740. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7741. * When the EDC is off it locks onto a reference clock and avoids
  7742. * becoming 'lost'
  7743. */
  7744. mod_abs &= ~(1<<8);
  7745. if (!(phy->flags & FLAGS_NOC))
  7746. mod_abs &= ~(1<<9);
  7747. bnx2x_cl45_write(bp, phy,
  7748. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7749. /* Enable/Disable PHY transmitter output */
  7750. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7751. /* Make MOD_ABS give interrupt on change */
  7752. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7753. &val);
  7754. val |= (1<<12);
  7755. if (phy->flags & FLAGS_NOC)
  7756. val |= (3<<5);
  7757. /*
  7758. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7759. * status which reflect SFP+ module over-current
  7760. */
  7761. if (!(phy->flags & FLAGS_NOC))
  7762. val &= 0xff8f; /* Reset bits 4-6 */
  7763. bnx2x_cl45_write(bp, phy,
  7764. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7765. bnx2x_8727_power_module(bp, phy, 1);
  7766. bnx2x_cl45_read(bp, phy,
  7767. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7768. bnx2x_cl45_read(bp, phy,
  7769. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7770. /* Set option 1G speed */
  7771. if (phy->req_line_speed == SPEED_1000) {
  7772. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7775. bnx2x_cl45_write(bp, phy,
  7776. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7777. bnx2x_cl45_read(bp, phy,
  7778. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7779. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7780. /*
  7781. * Power down the XAUI until link is up in case of dual-media
  7782. * and 1G
  7783. */
  7784. if (DUAL_MEDIA(params)) {
  7785. bnx2x_cl45_read(bp, phy,
  7786. MDIO_PMA_DEVAD,
  7787. MDIO_PMA_REG_8727_PCS_GP, &val);
  7788. val |= (3<<10);
  7789. bnx2x_cl45_write(bp, phy,
  7790. MDIO_PMA_DEVAD,
  7791. MDIO_PMA_REG_8727_PCS_GP, val);
  7792. }
  7793. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7794. ((phy->speed_cap_mask &
  7795. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7796. ((phy->speed_cap_mask &
  7797. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7798. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7799. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7800. bnx2x_cl45_write(bp, phy,
  7801. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7802. bnx2x_cl45_write(bp, phy,
  7803. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7804. } else {
  7805. /*
  7806. * Since the 8727 has only single reset pin, need to set the 10G
  7807. * registers although it is default
  7808. */
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7811. 0x0020);
  7812. bnx2x_cl45_write(bp, phy,
  7813. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7814. bnx2x_cl45_write(bp, phy,
  7815. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7816. bnx2x_cl45_write(bp, phy,
  7817. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7818. 0x0008);
  7819. }
  7820. /*
  7821. * Set 2-wire transfer rate of SFP+ module EEPROM
  7822. * to 100Khz since some DACs(direct attached cables) do
  7823. * not work at 400Khz.
  7824. */
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7827. 0xa001);
  7828. /* Set TX PreEmphasis if needed */
  7829. if ((params->feature_config_flags &
  7830. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7831. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7832. phy->tx_preemphasis[0],
  7833. phy->tx_preemphasis[1]);
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7836. phy->tx_preemphasis[0]);
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7839. phy->tx_preemphasis[1]);
  7840. }
  7841. /*
  7842. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7843. * power mode, if TX Laser is disabled
  7844. */
  7845. tx_en_mode = REG_RD(bp, params->shmem_base +
  7846. offsetof(struct shmem_region,
  7847. dev_info.port_hw_config[params->port].sfp_ctrl))
  7848. & PORT_HW_CFG_TX_LASER_MASK;
  7849. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7850. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7851. bnx2x_cl45_read(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7853. tmp2 |= 0x1000;
  7854. tmp2 &= 0xFFEF;
  7855. bnx2x_cl45_write(bp, phy,
  7856. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7857. }
  7858. return 0;
  7859. }
  7860. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7861. struct link_params *params)
  7862. {
  7863. struct bnx2x *bp = params->bp;
  7864. u16 mod_abs, rx_alarm_status;
  7865. u32 val = REG_RD(bp, params->shmem_base +
  7866. offsetof(struct shmem_region, dev_info.
  7867. port_feature_config[params->port].
  7868. config));
  7869. bnx2x_cl45_read(bp, phy,
  7870. MDIO_PMA_DEVAD,
  7871. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7872. if (mod_abs & (1<<8)) {
  7873. /* Module is absent */
  7874. DP(NETIF_MSG_LINK,
  7875. "MOD_ABS indication show module is absent\n");
  7876. phy->media_type = ETH_PHY_NOT_PRESENT;
  7877. /*
  7878. * 1. Set mod_abs to detect next module
  7879. * presence event
  7880. * 2. Set EDC off by setting OPTXLOS signal input to low
  7881. * (bit 9).
  7882. * When the EDC is off it locks onto a reference clock and
  7883. * avoids becoming 'lost'.
  7884. */
  7885. mod_abs &= ~(1<<8);
  7886. if (!(phy->flags & FLAGS_NOC))
  7887. mod_abs &= ~(1<<9);
  7888. bnx2x_cl45_write(bp, phy,
  7889. MDIO_PMA_DEVAD,
  7890. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7891. /*
  7892. * Clear RX alarm since it stays up as long as
  7893. * the mod_abs wasn't changed
  7894. */
  7895. bnx2x_cl45_read(bp, phy,
  7896. MDIO_PMA_DEVAD,
  7897. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7898. } else {
  7899. /* Module is present */
  7900. DP(NETIF_MSG_LINK,
  7901. "MOD_ABS indication show module is present\n");
  7902. /*
  7903. * First disable transmitter, and if the module is ok, the
  7904. * module_detection will enable it
  7905. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7906. * 2. Restore the default polarity of the OPRXLOS signal and
  7907. * this signal will then correctly indicate the presence or
  7908. * absence of the Rx signal. (bit 9)
  7909. */
  7910. mod_abs |= (1<<8);
  7911. if (!(phy->flags & FLAGS_NOC))
  7912. mod_abs |= (1<<9);
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_PMA_DEVAD,
  7915. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7916. /*
  7917. * Clear RX alarm since it stays up as long as the mod_abs
  7918. * wasn't changed. This is need to be done before calling the
  7919. * module detection, otherwise it will clear* the link update
  7920. * alarm
  7921. */
  7922. bnx2x_cl45_read(bp, phy,
  7923. MDIO_PMA_DEVAD,
  7924. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7925. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7926. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7927. bnx2x_sfp_set_transmitter(params, phy, 0);
  7928. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7929. bnx2x_sfp_module_detection(phy, params);
  7930. else
  7931. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7932. }
  7933. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  7934. rx_alarm_status);
  7935. /* No need to check link status in case of module plugged in/out */
  7936. }
  7937. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  7938. struct link_params *params,
  7939. struct link_vars *vars)
  7940. {
  7941. struct bnx2x *bp = params->bp;
  7942. u8 link_up = 0, oc_port = params->port;
  7943. u16 link_status = 0;
  7944. u16 rx_alarm_status, lasi_ctrl, val1;
  7945. /* If PHY is not initialized, do not check link status */
  7946. bnx2x_cl45_read(bp, phy,
  7947. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7948. &lasi_ctrl);
  7949. if (!lasi_ctrl)
  7950. return 0;
  7951. /* Check the LASI on Rx */
  7952. bnx2x_cl45_read(bp, phy,
  7953. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  7954. &rx_alarm_status);
  7955. vars->line_speed = 0;
  7956. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  7957. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7958. MDIO_PMA_LASI_TXCTRL);
  7959. bnx2x_cl45_read(bp, phy,
  7960. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7961. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  7962. /* Clear MSG-OUT */
  7963. bnx2x_cl45_read(bp, phy,
  7964. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  7965. /*
  7966. * If a module is present and there is need to check
  7967. * for over current
  7968. */
  7969. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  7970. /* Check over-current using 8727 GPIO0 input*/
  7971. bnx2x_cl45_read(bp, phy,
  7972. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  7973. &val1);
  7974. if ((val1 & (1<<8)) == 0) {
  7975. if (!CHIP_IS_E1x(bp))
  7976. oc_port = BP_PATH(bp) + (params->port << 1);
  7977. DP(NETIF_MSG_LINK,
  7978. "8727 Power fault has been detected on port %d\n",
  7979. oc_port);
  7980. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  7981. " been detected and the power to "
  7982. "that SFP+ module has been removed"
  7983. " to prevent failure of the card."
  7984. " Please remove the SFP+ module and"
  7985. " restart the system to clear this"
  7986. " error.\n",
  7987. oc_port);
  7988. /* Disable all RX_ALARMs except for mod_abs */
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_PMA_DEVAD,
  7991. MDIO_PMA_LASI_RXCTRL, (1<<5));
  7992. bnx2x_cl45_read(bp, phy,
  7993. MDIO_PMA_DEVAD,
  7994. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  7995. /* Wait for module_absent_event */
  7996. val1 |= (1<<8);
  7997. bnx2x_cl45_write(bp, phy,
  7998. MDIO_PMA_DEVAD,
  7999. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8000. /* Clear RX alarm */
  8001. bnx2x_cl45_read(bp, phy,
  8002. MDIO_PMA_DEVAD,
  8003. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8004. return 0;
  8005. }
  8006. } /* Over current check */
  8007. /* When module absent bit is set, check module */
  8008. if (rx_alarm_status & (1<<5)) {
  8009. bnx2x_8727_handle_mod_abs(phy, params);
  8010. /* Enable all mod_abs and link detection bits */
  8011. bnx2x_cl45_write(bp, phy,
  8012. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8013. ((1<<5) | (1<<2)));
  8014. }
  8015. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  8016. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  8017. /* If transmitter is disabled, ignore false link up indication */
  8018. bnx2x_cl45_read(bp, phy,
  8019. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8020. if (val1 & (1<<15)) {
  8021. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8022. return 0;
  8023. }
  8024. bnx2x_cl45_read(bp, phy,
  8025. MDIO_PMA_DEVAD,
  8026. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8027. /*
  8028. * Bits 0..2 --> speed detected,
  8029. * Bits 13..15--> link is down
  8030. */
  8031. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8032. link_up = 1;
  8033. vars->line_speed = SPEED_10000;
  8034. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8035. params->port);
  8036. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8037. link_up = 1;
  8038. vars->line_speed = SPEED_1000;
  8039. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8040. params->port);
  8041. } else {
  8042. link_up = 0;
  8043. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8044. params->port);
  8045. }
  8046. /* Capture 10G link fault. */
  8047. if (vars->line_speed == SPEED_10000) {
  8048. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8049. MDIO_PMA_LASI_TXSTAT, &val1);
  8050. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8051. MDIO_PMA_LASI_TXSTAT, &val1);
  8052. if (val1 & (1<<0)) {
  8053. vars->fault_detected = 1;
  8054. }
  8055. }
  8056. if (link_up) {
  8057. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8058. vars->duplex = DUPLEX_FULL;
  8059. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8060. }
  8061. if ((DUAL_MEDIA(params)) &&
  8062. (phy->req_line_speed == SPEED_1000)) {
  8063. bnx2x_cl45_read(bp, phy,
  8064. MDIO_PMA_DEVAD,
  8065. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8066. /*
  8067. * In case of dual-media board and 1G, power up the XAUI side,
  8068. * otherwise power it down. For 10G it is done automatically
  8069. */
  8070. if (link_up)
  8071. val1 &= ~(3<<10);
  8072. else
  8073. val1 |= (3<<10);
  8074. bnx2x_cl45_write(bp, phy,
  8075. MDIO_PMA_DEVAD,
  8076. MDIO_PMA_REG_8727_PCS_GP, val1);
  8077. }
  8078. return link_up;
  8079. }
  8080. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8081. struct link_params *params)
  8082. {
  8083. struct bnx2x *bp = params->bp;
  8084. /* Enable/Disable PHY transmitter output */
  8085. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8086. /* Disable Transmitter */
  8087. bnx2x_sfp_set_transmitter(params, phy, 0);
  8088. /* Clear LASI */
  8089. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8090. }
  8091. /******************************************************************/
  8092. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8093. /******************************************************************/
  8094. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8095. struct link_params *params)
  8096. {
  8097. u16 val, fw_ver1, fw_ver2, cnt;
  8098. u8 port;
  8099. struct bnx2x *bp = params->bp;
  8100. port = params->port;
  8101. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  8102. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8103. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8104. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8105. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8106. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8107. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8108. for (cnt = 0; cnt < 100; cnt++) {
  8109. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8110. if (val & 1)
  8111. break;
  8112. udelay(5);
  8113. }
  8114. if (cnt == 100) {
  8115. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  8116. bnx2x_save_spirom_version(bp, port, 0,
  8117. phy->ver_addr);
  8118. return;
  8119. }
  8120. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8121. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8122. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8123. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8124. for (cnt = 0; cnt < 100; cnt++) {
  8125. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8126. if (val & 1)
  8127. break;
  8128. udelay(5);
  8129. }
  8130. if (cnt == 100) {
  8131. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  8132. bnx2x_save_spirom_version(bp, port, 0,
  8133. phy->ver_addr);
  8134. return;
  8135. }
  8136. /* lower 16 bits of the register SPI_FW_STATUS */
  8137. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8138. /* upper 16 bits of register SPI_FW_STATUS */
  8139. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8140. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8141. phy->ver_addr);
  8142. }
  8143. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8144. struct bnx2x_phy *phy)
  8145. {
  8146. u16 val;
  8147. /* PHYC_CTL_LED_CTL */
  8148. bnx2x_cl45_read(bp, phy,
  8149. MDIO_PMA_DEVAD,
  8150. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8151. val &= 0xFE00;
  8152. val |= 0x0092;
  8153. bnx2x_cl45_write(bp, phy,
  8154. MDIO_PMA_DEVAD,
  8155. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8156. bnx2x_cl45_write(bp, phy,
  8157. MDIO_PMA_DEVAD,
  8158. MDIO_PMA_REG_8481_LED1_MASK,
  8159. 0x80);
  8160. bnx2x_cl45_write(bp, phy,
  8161. MDIO_PMA_DEVAD,
  8162. MDIO_PMA_REG_8481_LED2_MASK,
  8163. 0x18);
  8164. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8165. bnx2x_cl45_write(bp, phy,
  8166. MDIO_PMA_DEVAD,
  8167. MDIO_PMA_REG_8481_LED3_MASK,
  8168. 0x0006);
  8169. /* Select the closest activity blink rate to that in 10/100/1000 */
  8170. bnx2x_cl45_write(bp, phy,
  8171. MDIO_PMA_DEVAD,
  8172. MDIO_PMA_REG_8481_LED3_BLINK,
  8173. 0);
  8174. bnx2x_cl45_read(bp, phy,
  8175. MDIO_PMA_DEVAD,
  8176. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  8177. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8178. bnx2x_cl45_write(bp, phy,
  8179. MDIO_PMA_DEVAD,
  8180. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  8181. /* 'Interrupt Mask' */
  8182. bnx2x_cl45_write(bp, phy,
  8183. MDIO_AN_DEVAD,
  8184. 0xFFFB, 0xFFFD);
  8185. }
  8186. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8187. struct link_params *params,
  8188. struct link_vars *vars)
  8189. {
  8190. struct bnx2x *bp = params->bp;
  8191. u16 autoneg_val, an_1000_val, an_10_100_val;
  8192. u16 tmp_req_line_speed;
  8193. tmp_req_line_speed = phy->req_line_speed;
  8194. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8195. if (phy->req_line_speed == SPEED_10000)
  8196. phy->req_line_speed = SPEED_AUTO_NEG;
  8197. /*
  8198. * This phy uses the NIG latch mechanism since link indication
  8199. * arrives through its LED4 and not via its LASI signal, so we
  8200. * get steady signal instead of clear on read
  8201. */
  8202. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8203. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8204. bnx2x_cl45_write(bp, phy,
  8205. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8206. bnx2x_848xx_set_led(bp, phy);
  8207. /* set 1000 speed advertisement */
  8208. bnx2x_cl45_read(bp, phy,
  8209. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8210. &an_1000_val);
  8211. bnx2x_ext_phy_set_pause(params, phy, vars);
  8212. bnx2x_cl45_read(bp, phy,
  8213. MDIO_AN_DEVAD,
  8214. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8215. &an_10_100_val);
  8216. bnx2x_cl45_read(bp, phy,
  8217. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8218. &autoneg_val);
  8219. /* Disable forced speed */
  8220. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8221. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8222. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8223. (phy->speed_cap_mask &
  8224. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8225. (phy->req_line_speed == SPEED_1000)) {
  8226. an_1000_val |= (1<<8);
  8227. autoneg_val |= (1<<9 | 1<<12);
  8228. if (phy->req_duplex == DUPLEX_FULL)
  8229. an_1000_val |= (1<<9);
  8230. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8231. } else
  8232. an_1000_val &= ~((1<<8) | (1<<9));
  8233. bnx2x_cl45_write(bp, phy,
  8234. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8235. an_1000_val);
  8236. /* set 100 speed advertisement */
  8237. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8238. (phy->speed_cap_mask &
  8239. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8240. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) &&
  8241. (phy->supported &
  8242. (SUPPORTED_100baseT_Half |
  8243. SUPPORTED_100baseT_Full)))) {
  8244. an_10_100_val |= (1<<7);
  8245. /* Enable autoneg and restart autoneg for legacy speeds */
  8246. autoneg_val |= (1<<9 | 1<<12);
  8247. if (phy->req_duplex == DUPLEX_FULL)
  8248. an_10_100_val |= (1<<8);
  8249. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8250. }
  8251. /* set 10 speed advertisement */
  8252. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8253. (phy->speed_cap_mask &
  8254. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8255. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8256. (phy->supported &
  8257. (SUPPORTED_10baseT_Half |
  8258. SUPPORTED_10baseT_Full)))) {
  8259. an_10_100_val |= (1<<5);
  8260. autoneg_val |= (1<<9 | 1<<12);
  8261. if (phy->req_duplex == DUPLEX_FULL)
  8262. an_10_100_val |= (1<<6);
  8263. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8264. }
  8265. /* Only 10/100 are allowed to work in FORCE mode */
  8266. if ((phy->req_line_speed == SPEED_100) &&
  8267. (phy->supported &
  8268. (SUPPORTED_100baseT_Half |
  8269. SUPPORTED_100baseT_Full))) {
  8270. autoneg_val |= (1<<13);
  8271. /* Enabled AUTO-MDIX when autoneg is disabled */
  8272. bnx2x_cl45_write(bp, phy,
  8273. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8274. (1<<15 | 1<<9 | 7<<0));
  8275. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8276. }
  8277. if ((phy->req_line_speed == SPEED_10) &&
  8278. (phy->supported &
  8279. (SUPPORTED_10baseT_Half |
  8280. SUPPORTED_10baseT_Full))) {
  8281. /* Enabled AUTO-MDIX when autoneg is disabled */
  8282. bnx2x_cl45_write(bp, phy,
  8283. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8284. (1<<15 | 1<<9 | 7<<0));
  8285. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8286. }
  8287. bnx2x_cl45_write(bp, phy,
  8288. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8289. an_10_100_val);
  8290. if (phy->req_duplex == DUPLEX_FULL)
  8291. autoneg_val |= (1<<8);
  8292. /*
  8293. * Always write this if this is not 84833.
  8294. * For 84833, write it only when it's a forced speed.
  8295. */
  8296. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8297. ((autoneg_val & (1<<12)) == 0))
  8298. bnx2x_cl45_write(bp, phy,
  8299. MDIO_AN_DEVAD,
  8300. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8301. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8302. (phy->speed_cap_mask &
  8303. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8304. (phy->req_line_speed == SPEED_10000)) {
  8305. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8306. /* Restart autoneg for 10G*/
  8307. bnx2x_cl45_write(bp, phy,
  8308. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8309. 0x3200);
  8310. } else
  8311. bnx2x_cl45_write(bp, phy,
  8312. MDIO_AN_DEVAD,
  8313. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8314. 1);
  8315. /* Save spirom version */
  8316. bnx2x_save_848xx_spirom_version(phy, params);
  8317. phy->req_line_speed = tmp_req_line_speed;
  8318. return 0;
  8319. }
  8320. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8321. struct link_params *params,
  8322. struct link_vars *vars)
  8323. {
  8324. struct bnx2x *bp = params->bp;
  8325. /* Restore normal power mode*/
  8326. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8327. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8328. /* HW reset */
  8329. bnx2x_ext_phy_hw_reset(bp, params->port);
  8330. bnx2x_wait_reset_complete(bp, phy, params);
  8331. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8332. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8333. }
  8334. #define PHY84833_HDSHK_WAIT 300
  8335. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8336. struct link_params *params,
  8337. struct link_vars *vars)
  8338. {
  8339. u32 idx;
  8340. u32 pair_swap;
  8341. u16 val;
  8342. u16 data;
  8343. struct bnx2x *bp = params->bp;
  8344. /* Do pair swap */
  8345. /* Check for configuration. */
  8346. pair_swap = REG_RD(bp, params->shmem_base +
  8347. offsetof(struct shmem_region,
  8348. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8349. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8350. if (pair_swap == 0)
  8351. return 0;
  8352. data = (u16)pair_swap;
  8353. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8354. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8355. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8356. PHY84833_CMD_OPEN_OVERRIDE);
  8357. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8358. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8359. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8360. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8361. break;
  8362. msleep(1);
  8363. }
  8364. if (idx >= PHY84833_HDSHK_WAIT) {
  8365. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  8366. return -EINVAL;
  8367. }
  8368. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8369. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8370. data);
  8371. /* Issue pair swap command */
  8372. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8373. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8374. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  8375. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8376. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8377. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8378. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8379. (val == PHY84833_CMD_COMPLETE_ERROR))
  8380. break;
  8381. msleep(1);
  8382. }
  8383. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8384. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8385. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  8386. return -EINVAL;
  8387. }
  8388. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8389. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8390. PHY84833_CMD_CLEAR_COMPLETE);
  8391. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  8392. return 0;
  8393. }
  8394. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8395. u32 shmem_base_path[],
  8396. u32 chip_id)
  8397. {
  8398. u32 reset_pin[2];
  8399. u32 idx;
  8400. u8 reset_gpios;
  8401. if (CHIP_IS_E3(bp)) {
  8402. /* Assume that these will be GPIOs, not EPIOs. */
  8403. for (idx = 0; idx < 2; idx++) {
  8404. /* Map config param to register bit. */
  8405. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8406. offsetof(struct shmem_region,
  8407. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8408. reset_pin[idx] = (reset_pin[idx] &
  8409. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8410. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8411. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8412. reset_pin[idx] = (1 << reset_pin[idx]);
  8413. }
  8414. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8415. } else {
  8416. /* E2, look from diff place of shmem. */
  8417. for (idx = 0; idx < 2; idx++) {
  8418. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8419. offsetof(struct shmem_region,
  8420. dev_info.port_hw_config[0].default_cfg));
  8421. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8422. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8423. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8424. reset_pin[idx] = (1 << reset_pin[idx]);
  8425. }
  8426. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8427. }
  8428. return reset_gpios;
  8429. }
  8430. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8431. struct link_params *params)
  8432. {
  8433. struct bnx2x *bp = params->bp;
  8434. u8 reset_gpios;
  8435. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8436. offsetof(struct shmem2_region,
  8437. other_shmem_base_addr));
  8438. u32 shmem_base_path[2];
  8439. shmem_base_path[0] = params->shmem_base;
  8440. shmem_base_path[1] = other_shmem_base_addr;
  8441. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8442. params->chip_id);
  8443. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8444. udelay(10);
  8445. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8446. reset_gpios);
  8447. return 0;
  8448. }
  8449. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  8450. u32 shmem_base_path[],
  8451. u32 chip_id)
  8452. {
  8453. u8 reset_gpios;
  8454. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  8455. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8456. udelay(10);
  8457. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  8458. msleep(800);
  8459. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  8460. reset_gpios);
  8461. return 0;
  8462. }
  8463. #define PHY84833_CONSTANT_LATENCY 1193
  8464. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8465. struct link_params *params,
  8466. struct link_vars *vars)
  8467. {
  8468. struct bnx2x *bp = params->bp;
  8469. u8 port, initialize = 1;
  8470. u16 val;
  8471. u16 temp;
  8472. u32 actual_phy_selection, cms_enable, idx;
  8473. int rc = 0;
  8474. msleep(1);
  8475. if (!(CHIP_IS_E1(bp)))
  8476. port = BP_PATH(bp);
  8477. else
  8478. port = params->port;
  8479. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8480. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8481. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8482. port);
  8483. } else {
  8484. /* MDIO reset */
  8485. bnx2x_cl45_write(bp, phy,
  8486. MDIO_PMA_DEVAD,
  8487. MDIO_PMA_REG_CTRL, 0x8000);
  8488. /* Bring PHY out of super isolate mode */
  8489. bnx2x_cl45_read(bp, phy,
  8490. MDIO_CTL_DEVAD,
  8491. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8492. val &= ~MDIO_84833_SUPER_ISOLATE;
  8493. bnx2x_cl45_write(bp, phy,
  8494. MDIO_CTL_DEVAD,
  8495. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8496. }
  8497. bnx2x_wait_reset_complete(bp, phy, params);
  8498. /* Wait for GPHY to come out of reset */
  8499. msleep(50);
  8500. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8501. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8502. /*
  8503. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  8504. */
  8505. temp = vars->line_speed;
  8506. vars->line_speed = SPEED_10000;
  8507. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8508. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8509. vars->line_speed = temp;
  8510. /* Set dual-media configuration according to configuration */
  8511. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8512. MDIO_CTL_REG_84823_MEDIA, &val);
  8513. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8514. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8515. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8516. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8517. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8518. if (CHIP_IS_E3(bp)) {
  8519. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8520. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8521. } else {
  8522. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8523. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8524. }
  8525. actual_phy_selection = bnx2x_phy_selection(params);
  8526. switch (actual_phy_selection) {
  8527. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8528. /* Do nothing. Essentially this is like the priority copper */
  8529. break;
  8530. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8531. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8532. break;
  8533. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8534. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8535. break;
  8536. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8537. /* Do nothing here. The first PHY won't be initialized at all */
  8538. break;
  8539. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8540. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8541. initialize = 0;
  8542. break;
  8543. }
  8544. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8545. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8546. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8547. MDIO_CTL_REG_84823_MEDIA, val);
  8548. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8549. params->multi_phy_config, val);
  8550. /* AutogrEEEn */
  8551. if (params->feature_config_flags &
  8552. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  8553. /* Ensure that f/w is ready */
  8554. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8555. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8556. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8557. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  8558. break;
  8559. usleep_range(1000, 1000);
  8560. }
  8561. if (idx >= PHY84833_HDSHK_WAIT) {
  8562. DP(NETIF_MSG_LINK, "AutogrEEEn: FW not ready.\n");
  8563. return -EINVAL;
  8564. }
  8565. /* Select EEE mode */
  8566. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8567. MDIO_84833_TOP_CFG_SCRATCH_REG3,
  8568. 0x2);
  8569. /* Set Idle and Latency */
  8570. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8571. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  8572. PHY84833_CONSTANT_LATENCY + 1);
  8573. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8574. MDIO_84833_TOP_CFG_DATA3_REG,
  8575. PHY84833_CONSTANT_LATENCY + 1);
  8576. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8577. MDIO_84833_TOP_CFG_DATA4_REG,
  8578. PHY84833_CONSTANT_LATENCY);
  8579. /* Send EEE instruction to command register */
  8580. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8581. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  8582. PHY84833_DIAG_CMD_SET_EEE_MODE);
  8583. /* Ensure that the command has completed */
  8584. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  8585. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8586. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  8587. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  8588. (val == PHY84833_CMD_COMPLETE_ERROR))
  8589. break;
  8590. usleep_range(1000, 1000);
  8591. }
  8592. if ((idx >= PHY84833_HDSHK_WAIT) ||
  8593. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  8594. DP(NETIF_MSG_LINK, "AutogrEEEn: command failed.\n");
  8595. return -EINVAL;
  8596. }
  8597. /* Reset command handler */
  8598. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8599. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  8600. PHY84833_CMD_CLEAR_COMPLETE);
  8601. }
  8602. if (initialize)
  8603. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8604. else
  8605. bnx2x_save_848xx_spirom_version(phy, params);
  8606. /* 84833 PHY has a better feature and doesn't need to support this. */
  8607. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8608. cms_enable = REG_RD(bp, params->shmem_base +
  8609. offsetof(struct shmem_region,
  8610. dev_info.port_hw_config[params->port].default_cfg)) &
  8611. PORT_HW_CFG_ENABLE_CMS_MASK;
  8612. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8613. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8614. if (cms_enable)
  8615. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8616. else
  8617. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8618. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8619. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8620. }
  8621. return rc;
  8622. }
  8623. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8624. struct link_params *params,
  8625. struct link_vars *vars)
  8626. {
  8627. struct bnx2x *bp = params->bp;
  8628. u16 val, val1, val2;
  8629. u8 link_up = 0;
  8630. /* Check 10G-BaseT link status */
  8631. /* Check PMD signal ok */
  8632. bnx2x_cl45_read(bp, phy,
  8633. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8634. bnx2x_cl45_read(bp, phy,
  8635. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8636. &val2);
  8637. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8638. /* Check link 10G */
  8639. if (val2 & (1<<11)) {
  8640. vars->line_speed = SPEED_10000;
  8641. vars->duplex = DUPLEX_FULL;
  8642. link_up = 1;
  8643. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8644. } else { /* Check Legacy speed link */
  8645. u16 legacy_status, legacy_speed;
  8646. /* Enable expansion register 0x42 (Operation mode status) */
  8647. bnx2x_cl45_write(bp, phy,
  8648. MDIO_AN_DEVAD,
  8649. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8650. /* Get legacy speed operation status */
  8651. bnx2x_cl45_read(bp, phy,
  8652. MDIO_AN_DEVAD,
  8653. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8654. &legacy_status);
  8655. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8656. legacy_status);
  8657. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8658. if (link_up) {
  8659. legacy_speed = (legacy_status & (3<<9));
  8660. if (legacy_speed == (0<<9))
  8661. vars->line_speed = SPEED_10;
  8662. else if (legacy_speed == (1<<9))
  8663. vars->line_speed = SPEED_100;
  8664. else if (legacy_speed == (2<<9))
  8665. vars->line_speed = SPEED_1000;
  8666. else /* Should not happen */
  8667. vars->line_speed = 0;
  8668. if (legacy_status & (1<<8))
  8669. vars->duplex = DUPLEX_FULL;
  8670. else
  8671. vars->duplex = DUPLEX_HALF;
  8672. DP(NETIF_MSG_LINK,
  8673. "Link is up in %dMbps, is_duplex_full= %d\n",
  8674. vars->line_speed,
  8675. (vars->duplex == DUPLEX_FULL));
  8676. /* Check legacy speed AN resolution */
  8677. bnx2x_cl45_read(bp, phy,
  8678. MDIO_AN_DEVAD,
  8679. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8680. &val);
  8681. if (val & (1<<5))
  8682. vars->link_status |=
  8683. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8684. bnx2x_cl45_read(bp, phy,
  8685. MDIO_AN_DEVAD,
  8686. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8687. &val);
  8688. if ((val & (1<<0)) == 0)
  8689. vars->link_status |=
  8690. LINK_STATUS_PARALLEL_DETECTION_USED;
  8691. }
  8692. }
  8693. if (link_up) {
  8694. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8695. vars->line_speed);
  8696. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8697. }
  8698. return link_up;
  8699. }
  8700. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8701. {
  8702. int status = 0;
  8703. u32 spirom_ver;
  8704. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8705. status = bnx2x_format_ver(spirom_ver, str, len);
  8706. return status;
  8707. }
  8708. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8709. struct link_params *params)
  8710. {
  8711. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8712. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8713. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8714. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8715. }
  8716. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8717. struct link_params *params)
  8718. {
  8719. bnx2x_cl45_write(params->bp, phy,
  8720. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8721. bnx2x_cl45_write(params->bp, phy,
  8722. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8723. }
  8724. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8725. struct link_params *params)
  8726. {
  8727. struct bnx2x *bp = params->bp;
  8728. u8 port;
  8729. u16 val16;
  8730. if (!(CHIP_IS_E1(bp)))
  8731. port = BP_PATH(bp);
  8732. else
  8733. port = params->port;
  8734. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8735. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8736. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8737. port);
  8738. } else {
  8739. bnx2x_cl45_read(bp, phy,
  8740. MDIO_CTL_DEVAD,
  8741. 0x400f, &val16);
  8742. bnx2x_cl45_write(bp, phy,
  8743. MDIO_PMA_DEVAD,
  8744. MDIO_PMA_REG_CTRL, 0x800);
  8745. }
  8746. }
  8747. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8748. struct link_params *params, u8 mode)
  8749. {
  8750. struct bnx2x *bp = params->bp;
  8751. u16 val;
  8752. u8 port;
  8753. if (!(CHIP_IS_E1(bp)))
  8754. port = BP_PATH(bp);
  8755. else
  8756. port = params->port;
  8757. switch (mode) {
  8758. case LED_MODE_OFF:
  8759. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8760. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8761. SHARED_HW_CFG_LED_EXTPHY1) {
  8762. /* Set LED masks */
  8763. bnx2x_cl45_write(bp, phy,
  8764. MDIO_PMA_DEVAD,
  8765. MDIO_PMA_REG_8481_LED1_MASK,
  8766. 0x0);
  8767. bnx2x_cl45_write(bp, phy,
  8768. MDIO_PMA_DEVAD,
  8769. MDIO_PMA_REG_8481_LED2_MASK,
  8770. 0x0);
  8771. bnx2x_cl45_write(bp, phy,
  8772. MDIO_PMA_DEVAD,
  8773. MDIO_PMA_REG_8481_LED3_MASK,
  8774. 0x0);
  8775. bnx2x_cl45_write(bp, phy,
  8776. MDIO_PMA_DEVAD,
  8777. MDIO_PMA_REG_8481_LED5_MASK,
  8778. 0x0);
  8779. } else {
  8780. bnx2x_cl45_write(bp, phy,
  8781. MDIO_PMA_DEVAD,
  8782. MDIO_PMA_REG_8481_LED1_MASK,
  8783. 0x0);
  8784. }
  8785. break;
  8786. case LED_MODE_FRONT_PANEL_OFF:
  8787. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8788. port);
  8789. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8790. SHARED_HW_CFG_LED_EXTPHY1) {
  8791. /* Set LED masks */
  8792. bnx2x_cl45_write(bp, phy,
  8793. MDIO_PMA_DEVAD,
  8794. MDIO_PMA_REG_8481_LED1_MASK,
  8795. 0x0);
  8796. bnx2x_cl45_write(bp, phy,
  8797. MDIO_PMA_DEVAD,
  8798. MDIO_PMA_REG_8481_LED2_MASK,
  8799. 0x0);
  8800. bnx2x_cl45_write(bp, phy,
  8801. MDIO_PMA_DEVAD,
  8802. MDIO_PMA_REG_8481_LED3_MASK,
  8803. 0x0);
  8804. bnx2x_cl45_write(bp, phy,
  8805. MDIO_PMA_DEVAD,
  8806. MDIO_PMA_REG_8481_LED5_MASK,
  8807. 0x20);
  8808. } else {
  8809. bnx2x_cl45_write(bp, phy,
  8810. MDIO_PMA_DEVAD,
  8811. MDIO_PMA_REG_8481_LED1_MASK,
  8812. 0x0);
  8813. }
  8814. break;
  8815. case LED_MODE_ON:
  8816. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8817. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8818. SHARED_HW_CFG_LED_EXTPHY1) {
  8819. /* Set control reg */
  8820. bnx2x_cl45_read(bp, phy,
  8821. MDIO_PMA_DEVAD,
  8822. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8823. &val);
  8824. val &= 0x8000;
  8825. val |= 0x2492;
  8826. bnx2x_cl45_write(bp, phy,
  8827. MDIO_PMA_DEVAD,
  8828. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8829. val);
  8830. /* Set LED masks */
  8831. bnx2x_cl45_write(bp, phy,
  8832. MDIO_PMA_DEVAD,
  8833. MDIO_PMA_REG_8481_LED1_MASK,
  8834. 0x0);
  8835. bnx2x_cl45_write(bp, phy,
  8836. MDIO_PMA_DEVAD,
  8837. MDIO_PMA_REG_8481_LED2_MASK,
  8838. 0x20);
  8839. bnx2x_cl45_write(bp, phy,
  8840. MDIO_PMA_DEVAD,
  8841. MDIO_PMA_REG_8481_LED3_MASK,
  8842. 0x20);
  8843. bnx2x_cl45_write(bp, phy,
  8844. MDIO_PMA_DEVAD,
  8845. MDIO_PMA_REG_8481_LED5_MASK,
  8846. 0x0);
  8847. } else {
  8848. bnx2x_cl45_write(bp, phy,
  8849. MDIO_PMA_DEVAD,
  8850. MDIO_PMA_REG_8481_LED1_MASK,
  8851. 0x20);
  8852. }
  8853. break;
  8854. case LED_MODE_OPER:
  8855. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8856. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8857. SHARED_HW_CFG_LED_EXTPHY1) {
  8858. /* Set control reg */
  8859. bnx2x_cl45_read(bp, phy,
  8860. MDIO_PMA_DEVAD,
  8861. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8862. &val);
  8863. if (!((val &
  8864. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8865. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8866. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8867. bnx2x_cl45_write(bp, phy,
  8868. MDIO_PMA_DEVAD,
  8869. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8870. 0xa492);
  8871. }
  8872. /* Set LED masks */
  8873. bnx2x_cl45_write(bp, phy,
  8874. MDIO_PMA_DEVAD,
  8875. MDIO_PMA_REG_8481_LED1_MASK,
  8876. 0x10);
  8877. bnx2x_cl45_write(bp, phy,
  8878. MDIO_PMA_DEVAD,
  8879. MDIO_PMA_REG_8481_LED2_MASK,
  8880. 0x80);
  8881. bnx2x_cl45_write(bp, phy,
  8882. MDIO_PMA_DEVAD,
  8883. MDIO_PMA_REG_8481_LED3_MASK,
  8884. 0x98);
  8885. bnx2x_cl45_write(bp, phy,
  8886. MDIO_PMA_DEVAD,
  8887. MDIO_PMA_REG_8481_LED5_MASK,
  8888. 0x40);
  8889. } else {
  8890. bnx2x_cl45_write(bp, phy,
  8891. MDIO_PMA_DEVAD,
  8892. MDIO_PMA_REG_8481_LED1_MASK,
  8893. 0x80);
  8894. /* Tell LED3 to blink on source */
  8895. bnx2x_cl45_read(bp, phy,
  8896. MDIO_PMA_DEVAD,
  8897. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8898. &val);
  8899. val &= ~(7<<6);
  8900. val |= (1<<6); /* A83B[8:6]= 1 */
  8901. bnx2x_cl45_write(bp, phy,
  8902. MDIO_PMA_DEVAD,
  8903. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8904. val);
  8905. }
  8906. break;
  8907. }
  8908. /*
  8909. * This is a workaround for E3+84833 until autoneg
  8910. * restart is fixed in f/w
  8911. */
  8912. if (CHIP_IS_E3(bp)) {
  8913. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  8914. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  8915. }
  8916. }
  8917. /******************************************************************/
  8918. /* 54618SE PHY SECTION */
  8919. /******************************************************************/
  8920. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  8921. struct link_params *params,
  8922. struct link_vars *vars)
  8923. {
  8924. struct bnx2x *bp = params->bp;
  8925. u8 port;
  8926. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  8927. u32 cfg_pin;
  8928. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  8929. usleep_range(1000, 1000);
  8930. /* This works with E3 only, no need to check the chip
  8931. before determining the port. */
  8932. port = params->port;
  8933. cfg_pin = (REG_RD(bp, params->shmem_base +
  8934. offsetof(struct shmem_region,
  8935. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  8936. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8937. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8938. /* Drive pin high to bring the GPHY out of reset. */
  8939. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  8940. /* wait for GPHY to reset */
  8941. msleep(50);
  8942. /* reset phy */
  8943. bnx2x_cl22_write(bp, phy,
  8944. MDIO_PMA_REG_CTRL, 0x8000);
  8945. bnx2x_wait_reset_complete(bp, phy, params);
  8946. /*wait for GPHY to reset */
  8947. msleep(50);
  8948. /* Configure LED4: set to INTR (0x6). */
  8949. /* Accessing shadow register 0xe. */
  8950. bnx2x_cl22_write(bp, phy,
  8951. MDIO_REG_GPHY_SHADOW,
  8952. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  8953. bnx2x_cl22_read(bp, phy,
  8954. MDIO_REG_GPHY_SHADOW,
  8955. &temp);
  8956. temp &= ~(0xf << 4);
  8957. temp |= (0x6 << 4);
  8958. bnx2x_cl22_write(bp, phy,
  8959. MDIO_REG_GPHY_SHADOW,
  8960. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8961. /* Configure INTR based on link status change. */
  8962. bnx2x_cl22_write(bp, phy,
  8963. MDIO_REG_INTR_MASK,
  8964. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  8965. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  8966. bnx2x_cl22_write(bp, phy,
  8967. MDIO_REG_GPHY_SHADOW,
  8968. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  8969. bnx2x_cl22_read(bp, phy,
  8970. MDIO_REG_GPHY_SHADOW,
  8971. &temp);
  8972. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  8973. bnx2x_cl22_write(bp, phy,
  8974. MDIO_REG_GPHY_SHADOW,
  8975. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  8976. /* Set up fc */
  8977. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  8978. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  8979. fc_val = 0;
  8980. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  8981. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  8982. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  8983. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  8984. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  8985. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  8986. /* read all advertisement */
  8987. bnx2x_cl22_read(bp, phy,
  8988. 0x09,
  8989. &an_1000_val);
  8990. bnx2x_cl22_read(bp, phy,
  8991. 0x04,
  8992. &an_10_100_val);
  8993. bnx2x_cl22_read(bp, phy,
  8994. MDIO_PMA_REG_CTRL,
  8995. &autoneg_val);
  8996. /* Disable forced speed */
  8997. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8998. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  8999. (1<<11));
  9000. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9001. (phy->speed_cap_mask &
  9002. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9003. (phy->req_line_speed == SPEED_1000)) {
  9004. an_1000_val |= (1<<8);
  9005. autoneg_val |= (1<<9 | 1<<12);
  9006. if (phy->req_duplex == DUPLEX_FULL)
  9007. an_1000_val |= (1<<9);
  9008. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9009. } else
  9010. an_1000_val &= ~((1<<8) | (1<<9));
  9011. bnx2x_cl22_write(bp, phy,
  9012. 0x09,
  9013. an_1000_val);
  9014. bnx2x_cl22_read(bp, phy,
  9015. 0x09,
  9016. &an_1000_val);
  9017. /* set 100 speed advertisement */
  9018. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9019. (phy->speed_cap_mask &
  9020. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9021. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9022. an_10_100_val |= (1<<7);
  9023. /* Enable autoneg and restart autoneg for legacy speeds */
  9024. autoneg_val |= (1<<9 | 1<<12);
  9025. if (phy->req_duplex == DUPLEX_FULL)
  9026. an_10_100_val |= (1<<8);
  9027. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9028. }
  9029. /* set 10 speed advertisement */
  9030. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9031. (phy->speed_cap_mask &
  9032. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9033. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9034. an_10_100_val |= (1<<5);
  9035. autoneg_val |= (1<<9 | 1<<12);
  9036. if (phy->req_duplex == DUPLEX_FULL)
  9037. an_10_100_val |= (1<<6);
  9038. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9039. }
  9040. /* Only 10/100 are allowed to work in FORCE mode */
  9041. if (phy->req_line_speed == SPEED_100) {
  9042. autoneg_val |= (1<<13);
  9043. /* Enabled AUTO-MDIX when autoneg is disabled */
  9044. bnx2x_cl22_write(bp, phy,
  9045. 0x18,
  9046. (1<<15 | 1<<9 | 7<<0));
  9047. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9048. }
  9049. if (phy->req_line_speed == SPEED_10) {
  9050. /* Enabled AUTO-MDIX when autoneg is disabled */
  9051. bnx2x_cl22_write(bp, phy,
  9052. 0x18,
  9053. (1<<15 | 1<<9 | 7<<0));
  9054. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9055. }
  9056. /* Check if we should turn on Auto-GrEEEn */
  9057. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9058. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9059. if (params->feature_config_flags &
  9060. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9061. temp = 6;
  9062. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9063. } else {
  9064. temp = 0;
  9065. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9066. }
  9067. bnx2x_cl22_write(bp, phy,
  9068. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9069. bnx2x_cl22_write(bp, phy,
  9070. MDIO_REG_GPHY_CL45_DATA_REG,
  9071. MDIO_REG_GPHY_EEE_ADV);
  9072. bnx2x_cl22_write(bp, phy,
  9073. MDIO_REG_GPHY_CL45_ADDR_REG,
  9074. (0x1 << 14) | MDIO_AN_DEVAD);
  9075. bnx2x_cl22_write(bp, phy,
  9076. MDIO_REG_GPHY_CL45_DATA_REG,
  9077. temp);
  9078. }
  9079. bnx2x_cl22_write(bp, phy,
  9080. 0x04,
  9081. an_10_100_val | fc_val);
  9082. if (phy->req_duplex == DUPLEX_FULL)
  9083. autoneg_val |= (1<<8);
  9084. bnx2x_cl22_write(bp, phy,
  9085. MDIO_PMA_REG_CTRL, autoneg_val);
  9086. return 0;
  9087. }
  9088. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9089. struct link_params *params)
  9090. {
  9091. struct bnx2x *bp = params->bp;
  9092. u32 cfg_pin;
  9093. u8 port;
  9094. /*
  9095. * In case of no EPIO routed to reset the GPHY, put it
  9096. * in low power mode.
  9097. */
  9098. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9099. /*
  9100. * This works with E3 only, no need to check the chip
  9101. * before determining the port.
  9102. */
  9103. port = params->port;
  9104. cfg_pin = (REG_RD(bp, params->shmem_base +
  9105. offsetof(struct shmem_region,
  9106. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9107. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9108. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9109. /* Drive pin low to put GPHY in reset. */
  9110. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9111. }
  9112. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9113. struct link_params *params,
  9114. struct link_vars *vars)
  9115. {
  9116. struct bnx2x *bp = params->bp;
  9117. u16 val;
  9118. u8 link_up = 0;
  9119. u16 legacy_status, legacy_speed;
  9120. /* Get speed operation status */
  9121. bnx2x_cl22_read(bp, phy,
  9122. 0x19,
  9123. &legacy_status);
  9124. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9125. /* Read status to clear the PHY interrupt. */
  9126. bnx2x_cl22_read(bp, phy,
  9127. MDIO_REG_INTR_STATUS,
  9128. &val);
  9129. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9130. if (link_up) {
  9131. legacy_speed = (legacy_status & (7<<8));
  9132. if (legacy_speed == (7<<8)) {
  9133. vars->line_speed = SPEED_1000;
  9134. vars->duplex = DUPLEX_FULL;
  9135. } else if (legacy_speed == (6<<8)) {
  9136. vars->line_speed = SPEED_1000;
  9137. vars->duplex = DUPLEX_HALF;
  9138. } else if (legacy_speed == (5<<8)) {
  9139. vars->line_speed = SPEED_100;
  9140. vars->duplex = DUPLEX_FULL;
  9141. }
  9142. /* Omitting 100Base-T4 for now */
  9143. else if (legacy_speed == (3<<8)) {
  9144. vars->line_speed = SPEED_100;
  9145. vars->duplex = DUPLEX_HALF;
  9146. } else if (legacy_speed == (2<<8)) {
  9147. vars->line_speed = SPEED_10;
  9148. vars->duplex = DUPLEX_FULL;
  9149. } else if (legacy_speed == (1<<8)) {
  9150. vars->line_speed = SPEED_10;
  9151. vars->duplex = DUPLEX_HALF;
  9152. } else /* Should not happen */
  9153. vars->line_speed = 0;
  9154. DP(NETIF_MSG_LINK,
  9155. "Link is up in %dMbps, is_duplex_full= %d\n",
  9156. vars->line_speed,
  9157. (vars->duplex == DUPLEX_FULL));
  9158. /* Check legacy speed AN resolution */
  9159. bnx2x_cl22_read(bp, phy,
  9160. 0x01,
  9161. &val);
  9162. if (val & (1<<5))
  9163. vars->link_status |=
  9164. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9165. bnx2x_cl22_read(bp, phy,
  9166. 0x06,
  9167. &val);
  9168. if ((val & (1<<0)) == 0)
  9169. vars->link_status |=
  9170. LINK_STATUS_PARALLEL_DETECTION_USED;
  9171. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9172. vars->line_speed);
  9173. /* Report whether EEE is resolved. */
  9174. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9175. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9176. if (vars->link_status &
  9177. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9178. val = 0;
  9179. else {
  9180. bnx2x_cl22_write(bp, phy,
  9181. MDIO_REG_GPHY_CL45_ADDR_REG,
  9182. MDIO_AN_DEVAD);
  9183. bnx2x_cl22_write(bp, phy,
  9184. MDIO_REG_GPHY_CL45_DATA_REG,
  9185. MDIO_REG_GPHY_EEE_RESOLVED);
  9186. bnx2x_cl22_write(bp, phy,
  9187. MDIO_REG_GPHY_CL45_ADDR_REG,
  9188. (0x1 << 14) | MDIO_AN_DEVAD);
  9189. bnx2x_cl22_read(bp, phy,
  9190. MDIO_REG_GPHY_CL45_DATA_REG,
  9191. &val);
  9192. }
  9193. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9194. }
  9195. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9196. }
  9197. return link_up;
  9198. }
  9199. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9200. struct link_params *params)
  9201. {
  9202. struct bnx2x *bp = params->bp;
  9203. u16 val;
  9204. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9205. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9206. /* Enable master/slave manual mmode and set to master */
  9207. /* mii write 9 [bits set 11 12] */
  9208. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9209. /* forced 1G and disable autoneg */
  9210. /* set val [mii read 0] */
  9211. /* set val [expr $val & [bits clear 6 12 13]] */
  9212. /* set val [expr $val | [bits set 6 8]] */
  9213. /* mii write 0 $val */
  9214. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9215. val &= ~((1<<6) | (1<<12) | (1<<13));
  9216. val |= (1<<6) | (1<<8);
  9217. bnx2x_cl22_write(bp, phy, 0x00, val);
  9218. /* Set external loopback and Tx using 6dB coding */
  9219. /* mii write 0x18 7 */
  9220. /* set val [mii read 0x18] */
  9221. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9222. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9223. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9224. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9225. /* This register opens the gate for the UMAC despite its name */
  9226. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9227. /*
  9228. * Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9229. * length used by the MAC receive logic to check frames.
  9230. */
  9231. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9232. }
  9233. /******************************************************************/
  9234. /* SFX7101 PHY SECTION */
  9235. /******************************************************************/
  9236. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9237. struct link_params *params)
  9238. {
  9239. struct bnx2x *bp = params->bp;
  9240. /* SFX7101_XGXS_TEST1 */
  9241. bnx2x_cl45_write(bp, phy,
  9242. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9243. }
  9244. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9245. struct link_params *params,
  9246. struct link_vars *vars)
  9247. {
  9248. u16 fw_ver1, fw_ver2, val;
  9249. struct bnx2x *bp = params->bp;
  9250. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9251. /* Restore normal power mode*/
  9252. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9253. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9254. /* HW reset */
  9255. bnx2x_ext_phy_hw_reset(bp, params->port);
  9256. bnx2x_wait_reset_complete(bp, phy, params);
  9257. bnx2x_cl45_write(bp, phy,
  9258. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9259. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9260. bnx2x_cl45_write(bp, phy,
  9261. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9262. bnx2x_ext_phy_set_pause(params, phy, vars);
  9263. /* Restart autoneg */
  9264. bnx2x_cl45_read(bp, phy,
  9265. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9266. val |= 0x200;
  9267. bnx2x_cl45_write(bp, phy,
  9268. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9269. /* Save spirom version */
  9270. bnx2x_cl45_read(bp, phy,
  9271. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9272. bnx2x_cl45_read(bp, phy,
  9273. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9274. bnx2x_save_spirom_version(bp, params->port,
  9275. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9276. return 0;
  9277. }
  9278. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9279. struct link_params *params,
  9280. struct link_vars *vars)
  9281. {
  9282. struct bnx2x *bp = params->bp;
  9283. u8 link_up;
  9284. u16 val1, val2;
  9285. bnx2x_cl45_read(bp, phy,
  9286. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9287. bnx2x_cl45_read(bp, phy,
  9288. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9289. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9290. val2, val1);
  9291. bnx2x_cl45_read(bp, phy,
  9292. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9293. bnx2x_cl45_read(bp, phy,
  9294. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9295. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9296. val2, val1);
  9297. link_up = ((val1 & 4) == 4);
  9298. /* if link is up print the AN outcome of the SFX7101 PHY */
  9299. if (link_up) {
  9300. bnx2x_cl45_read(bp, phy,
  9301. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9302. &val2);
  9303. vars->line_speed = SPEED_10000;
  9304. vars->duplex = DUPLEX_FULL;
  9305. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9306. val2, (val2 & (1<<14)));
  9307. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9308. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9309. }
  9310. return link_up;
  9311. }
  9312. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9313. {
  9314. if (*len < 5)
  9315. return -EINVAL;
  9316. str[0] = (spirom_ver & 0xFF);
  9317. str[1] = (spirom_ver & 0xFF00) >> 8;
  9318. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9319. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9320. str[4] = '\0';
  9321. *len -= 5;
  9322. return 0;
  9323. }
  9324. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9325. {
  9326. u16 val, cnt;
  9327. bnx2x_cl45_read(bp, phy,
  9328. MDIO_PMA_DEVAD,
  9329. MDIO_PMA_REG_7101_RESET, &val);
  9330. for (cnt = 0; cnt < 10; cnt++) {
  9331. msleep(50);
  9332. /* Writes a self-clearing reset */
  9333. bnx2x_cl45_write(bp, phy,
  9334. MDIO_PMA_DEVAD,
  9335. MDIO_PMA_REG_7101_RESET,
  9336. (val | (1<<15)));
  9337. /* Wait for clear */
  9338. bnx2x_cl45_read(bp, phy,
  9339. MDIO_PMA_DEVAD,
  9340. MDIO_PMA_REG_7101_RESET, &val);
  9341. if ((val & (1<<15)) == 0)
  9342. break;
  9343. }
  9344. }
  9345. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9346. struct link_params *params) {
  9347. /* Low power mode is controlled by GPIO 2 */
  9348. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9349. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9350. /* The PHY reset is controlled by GPIO 1 */
  9351. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9352. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9353. }
  9354. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9355. struct link_params *params, u8 mode)
  9356. {
  9357. u16 val = 0;
  9358. struct bnx2x *bp = params->bp;
  9359. switch (mode) {
  9360. case LED_MODE_FRONT_PANEL_OFF:
  9361. case LED_MODE_OFF:
  9362. val = 2;
  9363. break;
  9364. case LED_MODE_ON:
  9365. val = 1;
  9366. break;
  9367. case LED_MODE_OPER:
  9368. val = 0;
  9369. break;
  9370. }
  9371. bnx2x_cl45_write(bp, phy,
  9372. MDIO_PMA_DEVAD,
  9373. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9374. val);
  9375. }
  9376. /******************************************************************/
  9377. /* STATIC PHY DECLARATION */
  9378. /******************************************************************/
  9379. static struct bnx2x_phy phy_null = {
  9380. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9381. .addr = 0,
  9382. .def_md_devad = 0,
  9383. .flags = FLAGS_INIT_XGXS_FIRST,
  9384. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9385. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9386. .mdio_ctrl = 0,
  9387. .supported = 0,
  9388. .media_type = ETH_PHY_NOT_PRESENT,
  9389. .ver_addr = 0,
  9390. .req_flow_ctrl = 0,
  9391. .req_line_speed = 0,
  9392. .speed_cap_mask = 0,
  9393. .req_duplex = 0,
  9394. .rsrv = 0,
  9395. .config_init = (config_init_t)NULL,
  9396. .read_status = (read_status_t)NULL,
  9397. .link_reset = (link_reset_t)NULL,
  9398. .config_loopback = (config_loopback_t)NULL,
  9399. .format_fw_ver = (format_fw_ver_t)NULL,
  9400. .hw_reset = (hw_reset_t)NULL,
  9401. .set_link_led = (set_link_led_t)NULL,
  9402. .phy_specific_func = (phy_specific_func_t)NULL
  9403. };
  9404. static struct bnx2x_phy phy_serdes = {
  9405. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9406. .addr = 0xff,
  9407. .def_md_devad = 0,
  9408. .flags = 0,
  9409. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9410. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9411. .mdio_ctrl = 0,
  9412. .supported = (SUPPORTED_10baseT_Half |
  9413. SUPPORTED_10baseT_Full |
  9414. SUPPORTED_100baseT_Half |
  9415. SUPPORTED_100baseT_Full |
  9416. SUPPORTED_1000baseT_Full |
  9417. SUPPORTED_2500baseX_Full |
  9418. SUPPORTED_TP |
  9419. SUPPORTED_Autoneg |
  9420. SUPPORTED_Pause |
  9421. SUPPORTED_Asym_Pause),
  9422. .media_type = ETH_PHY_BASE_T,
  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_xgxs_config_init,
  9430. .read_status = (read_status_t)bnx2x_link_settings_status,
  9431. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9432. .config_loopback = (config_loopback_t)NULL,
  9433. .format_fw_ver = (format_fw_ver_t)NULL,
  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_xgxs = {
  9439. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9440. .addr = 0xff,
  9441. .def_md_devad = 0,
  9442. .flags = 0,
  9443. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9444. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9445. .mdio_ctrl = 0,
  9446. .supported = (SUPPORTED_10baseT_Half |
  9447. SUPPORTED_10baseT_Full |
  9448. SUPPORTED_100baseT_Half |
  9449. SUPPORTED_100baseT_Full |
  9450. SUPPORTED_1000baseT_Full |
  9451. SUPPORTED_2500baseX_Full |
  9452. SUPPORTED_10000baseT_Full |
  9453. SUPPORTED_FIBRE |
  9454. SUPPORTED_Autoneg |
  9455. SUPPORTED_Pause |
  9456. SUPPORTED_Asym_Pause),
  9457. .media_type = ETH_PHY_CX4,
  9458. .ver_addr = 0,
  9459. .req_flow_ctrl = 0,
  9460. .req_line_speed = 0,
  9461. .speed_cap_mask = 0,
  9462. .req_duplex = 0,
  9463. .rsrv = 0,
  9464. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9465. .read_status = (read_status_t)bnx2x_link_settings_status,
  9466. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9467. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9468. .format_fw_ver = (format_fw_ver_t)NULL,
  9469. .hw_reset = (hw_reset_t)NULL,
  9470. .set_link_led = (set_link_led_t)NULL,
  9471. .phy_specific_func = (phy_specific_func_t)NULL
  9472. };
  9473. static struct bnx2x_phy phy_warpcore = {
  9474. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9475. .addr = 0xff,
  9476. .def_md_devad = 0,
  9477. .flags = FLAGS_HW_LOCK_REQUIRED,
  9478. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9479. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9480. .mdio_ctrl = 0,
  9481. .supported = (SUPPORTED_10baseT_Half |
  9482. SUPPORTED_10baseT_Full |
  9483. SUPPORTED_100baseT_Half |
  9484. SUPPORTED_100baseT_Full |
  9485. SUPPORTED_1000baseT_Full |
  9486. SUPPORTED_10000baseT_Full |
  9487. SUPPORTED_20000baseKR2_Full |
  9488. SUPPORTED_20000baseMLD2_Full |
  9489. SUPPORTED_FIBRE |
  9490. SUPPORTED_Autoneg |
  9491. SUPPORTED_Pause |
  9492. SUPPORTED_Asym_Pause),
  9493. .media_type = ETH_PHY_UNSPECIFIED,
  9494. .ver_addr = 0,
  9495. .req_flow_ctrl = 0,
  9496. .req_line_speed = 0,
  9497. .speed_cap_mask = 0,
  9498. /* req_duplex = */0,
  9499. /* rsrv = */0,
  9500. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9501. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9502. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9503. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9504. .format_fw_ver = (format_fw_ver_t)NULL,
  9505. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9506. .set_link_led = (set_link_led_t)NULL,
  9507. .phy_specific_func = (phy_specific_func_t)NULL
  9508. };
  9509. static struct bnx2x_phy phy_7101 = {
  9510. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9511. .addr = 0xff,
  9512. .def_md_devad = 0,
  9513. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9514. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9515. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9516. .mdio_ctrl = 0,
  9517. .supported = (SUPPORTED_10000baseT_Full |
  9518. SUPPORTED_TP |
  9519. SUPPORTED_Autoneg |
  9520. SUPPORTED_Pause |
  9521. SUPPORTED_Asym_Pause),
  9522. .media_type = ETH_PHY_BASE_T,
  9523. .ver_addr = 0,
  9524. .req_flow_ctrl = 0,
  9525. .req_line_speed = 0,
  9526. .speed_cap_mask = 0,
  9527. .req_duplex = 0,
  9528. .rsrv = 0,
  9529. .config_init = (config_init_t)bnx2x_7101_config_init,
  9530. .read_status = (read_status_t)bnx2x_7101_read_status,
  9531. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9532. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9533. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9534. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9535. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9536. .phy_specific_func = (phy_specific_func_t)NULL
  9537. };
  9538. static struct bnx2x_phy phy_8073 = {
  9539. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9540. .addr = 0xff,
  9541. .def_md_devad = 0,
  9542. .flags = FLAGS_HW_LOCK_REQUIRED,
  9543. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9544. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9545. .mdio_ctrl = 0,
  9546. .supported = (SUPPORTED_10000baseT_Full |
  9547. SUPPORTED_2500baseX_Full |
  9548. SUPPORTED_1000baseT_Full |
  9549. SUPPORTED_FIBRE |
  9550. SUPPORTED_Autoneg |
  9551. SUPPORTED_Pause |
  9552. SUPPORTED_Asym_Pause),
  9553. .media_type = ETH_PHY_KR,
  9554. .ver_addr = 0,
  9555. .req_flow_ctrl = 0,
  9556. .req_line_speed = 0,
  9557. .speed_cap_mask = 0,
  9558. .req_duplex = 0,
  9559. .rsrv = 0,
  9560. .config_init = (config_init_t)bnx2x_8073_config_init,
  9561. .read_status = (read_status_t)bnx2x_8073_read_status,
  9562. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9563. .config_loopback = (config_loopback_t)NULL,
  9564. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9565. .hw_reset = (hw_reset_t)NULL,
  9566. .set_link_led = (set_link_led_t)NULL,
  9567. .phy_specific_func = (phy_specific_func_t)NULL
  9568. };
  9569. static struct bnx2x_phy phy_8705 = {
  9570. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9571. .addr = 0xff,
  9572. .def_md_devad = 0,
  9573. .flags = FLAGS_INIT_XGXS_FIRST,
  9574. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9575. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9576. .mdio_ctrl = 0,
  9577. .supported = (SUPPORTED_10000baseT_Full |
  9578. SUPPORTED_FIBRE |
  9579. SUPPORTED_Pause |
  9580. SUPPORTED_Asym_Pause),
  9581. .media_type = ETH_PHY_XFP_FIBER,
  9582. .ver_addr = 0,
  9583. .req_flow_ctrl = 0,
  9584. .req_line_speed = 0,
  9585. .speed_cap_mask = 0,
  9586. .req_duplex = 0,
  9587. .rsrv = 0,
  9588. .config_init = (config_init_t)bnx2x_8705_config_init,
  9589. .read_status = (read_status_t)bnx2x_8705_read_status,
  9590. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9591. .config_loopback = (config_loopback_t)NULL,
  9592. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9593. .hw_reset = (hw_reset_t)NULL,
  9594. .set_link_led = (set_link_led_t)NULL,
  9595. .phy_specific_func = (phy_specific_func_t)NULL
  9596. };
  9597. static struct bnx2x_phy phy_8706 = {
  9598. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9599. .addr = 0xff,
  9600. .def_md_devad = 0,
  9601. .flags = FLAGS_INIT_XGXS_FIRST,
  9602. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9603. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9604. .mdio_ctrl = 0,
  9605. .supported = (SUPPORTED_10000baseT_Full |
  9606. SUPPORTED_1000baseT_Full |
  9607. SUPPORTED_FIBRE |
  9608. SUPPORTED_Pause |
  9609. SUPPORTED_Asym_Pause),
  9610. .media_type = ETH_PHY_SFP_FIBER,
  9611. .ver_addr = 0,
  9612. .req_flow_ctrl = 0,
  9613. .req_line_speed = 0,
  9614. .speed_cap_mask = 0,
  9615. .req_duplex = 0,
  9616. .rsrv = 0,
  9617. .config_init = (config_init_t)bnx2x_8706_config_init,
  9618. .read_status = (read_status_t)bnx2x_8706_read_status,
  9619. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9620. .config_loopback = (config_loopback_t)NULL,
  9621. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9622. .hw_reset = (hw_reset_t)NULL,
  9623. .set_link_led = (set_link_led_t)NULL,
  9624. .phy_specific_func = (phy_specific_func_t)NULL
  9625. };
  9626. static struct bnx2x_phy phy_8726 = {
  9627. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9628. .addr = 0xff,
  9629. .def_md_devad = 0,
  9630. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9631. FLAGS_INIT_XGXS_FIRST),
  9632. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9633. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9634. .mdio_ctrl = 0,
  9635. .supported = (SUPPORTED_10000baseT_Full |
  9636. SUPPORTED_1000baseT_Full |
  9637. SUPPORTED_Autoneg |
  9638. SUPPORTED_FIBRE |
  9639. SUPPORTED_Pause |
  9640. SUPPORTED_Asym_Pause),
  9641. .media_type = ETH_PHY_NOT_PRESENT,
  9642. .ver_addr = 0,
  9643. .req_flow_ctrl = 0,
  9644. .req_line_speed = 0,
  9645. .speed_cap_mask = 0,
  9646. .req_duplex = 0,
  9647. .rsrv = 0,
  9648. .config_init = (config_init_t)bnx2x_8726_config_init,
  9649. .read_status = (read_status_t)bnx2x_8726_read_status,
  9650. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9651. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9652. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9653. .hw_reset = (hw_reset_t)NULL,
  9654. .set_link_led = (set_link_led_t)NULL,
  9655. .phy_specific_func = (phy_specific_func_t)NULL
  9656. };
  9657. static struct bnx2x_phy phy_8727 = {
  9658. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9659. .addr = 0xff,
  9660. .def_md_devad = 0,
  9661. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9662. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9663. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9664. .mdio_ctrl = 0,
  9665. .supported = (SUPPORTED_10000baseT_Full |
  9666. SUPPORTED_1000baseT_Full |
  9667. SUPPORTED_FIBRE |
  9668. SUPPORTED_Pause |
  9669. SUPPORTED_Asym_Pause),
  9670. .media_type = ETH_PHY_NOT_PRESENT,
  9671. .ver_addr = 0,
  9672. .req_flow_ctrl = 0,
  9673. .req_line_speed = 0,
  9674. .speed_cap_mask = 0,
  9675. .req_duplex = 0,
  9676. .rsrv = 0,
  9677. .config_init = (config_init_t)bnx2x_8727_config_init,
  9678. .read_status = (read_status_t)bnx2x_8727_read_status,
  9679. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9680. .config_loopback = (config_loopback_t)NULL,
  9681. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9682. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9683. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9684. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9685. };
  9686. static struct bnx2x_phy phy_8481 = {
  9687. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9688. .addr = 0xff,
  9689. .def_md_devad = 0,
  9690. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9691. FLAGS_REARM_LATCH_SIGNAL,
  9692. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9693. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9694. .mdio_ctrl = 0,
  9695. .supported = (SUPPORTED_10baseT_Half |
  9696. SUPPORTED_10baseT_Full |
  9697. SUPPORTED_100baseT_Half |
  9698. SUPPORTED_100baseT_Full |
  9699. SUPPORTED_1000baseT_Full |
  9700. SUPPORTED_10000baseT_Full |
  9701. SUPPORTED_TP |
  9702. SUPPORTED_Autoneg |
  9703. SUPPORTED_Pause |
  9704. SUPPORTED_Asym_Pause),
  9705. .media_type = ETH_PHY_BASE_T,
  9706. .ver_addr = 0,
  9707. .req_flow_ctrl = 0,
  9708. .req_line_speed = 0,
  9709. .speed_cap_mask = 0,
  9710. .req_duplex = 0,
  9711. .rsrv = 0,
  9712. .config_init = (config_init_t)bnx2x_8481_config_init,
  9713. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9714. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9715. .config_loopback = (config_loopback_t)NULL,
  9716. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9717. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9718. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9719. .phy_specific_func = (phy_specific_func_t)NULL
  9720. };
  9721. static struct bnx2x_phy phy_84823 = {
  9722. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9723. .addr = 0xff,
  9724. .def_md_devad = 0,
  9725. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9726. FLAGS_REARM_LATCH_SIGNAL,
  9727. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9728. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9729. .mdio_ctrl = 0,
  9730. .supported = (SUPPORTED_10baseT_Half |
  9731. SUPPORTED_10baseT_Full |
  9732. SUPPORTED_100baseT_Half |
  9733. SUPPORTED_100baseT_Full |
  9734. SUPPORTED_1000baseT_Full |
  9735. SUPPORTED_10000baseT_Full |
  9736. SUPPORTED_TP |
  9737. SUPPORTED_Autoneg |
  9738. SUPPORTED_Pause |
  9739. SUPPORTED_Asym_Pause),
  9740. .media_type = ETH_PHY_BASE_T,
  9741. .ver_addr = 0,
  9742. .req_flow_ctrl = 0,
  9743. .req_line_speed = 0,
  9744. .speed_cap_mask = 0,
  9745. .req_duplex = 0,
  9746. .rsrv = 0,
  9747. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9748. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9749. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9750. .config_loopback = (config_loopback_t)NULL,
  9751. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9752. .hw_reset = (hw_reset_t)NULL,
  9753. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9754. .phy_specific_func = (phy_specific_func_t)NULL
  9755. };
  9756. static struct bnx2x_phy phy_84833 = {
  9757. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9758. .addr = 0xff,
  9759. .def_md_devad = 0,
  9760. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9761. FLAGS_REARM_LATCH_SIGNAL,
  9762. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9763. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9764. .mdio_ctrl = 0,
  9765. .supported = (SUPPORTED_100baseT_Half |
  9766. SUPPORTED_100baseT_Full |
  9767. SUPPORTED_1000baseT_Full |
  9768. SUPPORTED_10000baseT_Full |
  9769. SUPPORTED_TP |
  9770. SUPPORTED_Autoneg |
  9771. SUPPORTED_Pause |
  9772. SUPPORTED_Asym_Pause),
  9773. .media_type = ETH_PHY_BASE_T,
  9774. .ver_addr = 0,
  9775. .req_flow_ctrl = 0,
  9776. .req_line_speed = 0,
  9777. .speed_cap_mask = 0,
  9778. .req_duplex = 0,
  9779. .rsrv = 0,
  9780. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9781. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9782. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9783. .config_loopback = (config_loopback_t)NULL,
  9784. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9785. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9786. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9787. .phy_specific_func = (phy_specific_func_t)NULL
  9788. };
  9789. static struct bnx2x_phy phy_54618se = {
  9790. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9791. .addr = 0xff,
  9792. .def_md_devad = 0,
  9793. .flags = FLAGS_INIT_XGXS_FIRST,
  9794. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9795. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9796. .mdio_ctrl = 0,
  9797. .supported = (SUPPORTED_10baseT_Half |
  9798. SUPPORTED_10baseT_Full |
  9799. SUPPORTED_100baseT_Half |
  9800. SUPPORTED_100baseT_Full |
  9801. SUPPORTED_1000baseT_Full |
  9802. SUPPORTED_TP |
  9803. SUPPORTED_Autoneg |
  9804. SUPPORTED_Pause |
  9805. SUPPORTED_Asym_Pause),
  9806. .media_type = ETH_PHY_BASE_T,
  9807. .ver_addr = 0,
  9808. .req_flow_ctrl = 0,
  9809. .req_line_speed = 0,
  9810. .speed_cap_mask = 0,
  9811. /* req_duplex = */0,
  9812. /* rsrv = */0,
  9813. .config_init = (config_init_t)bnx2x_54618se_config_init,
  9814. .read_status = (read_status_t)bnx2x_54618se_read_status,
  9815. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  9816. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  9817. .format_fw_ver = (format_fw_ver_t)NULL,
  9818. .hw_reset = (hw_reset_t)NULL,
  9819. .set_link_led = (set_link_led_t)NULL,
  9820. .phy_specific_func = (phy_specific_func_t)NULL
  9821. };
  9822. /*****************************************************************/
  9823. /* */
  9824. /* Populate the phy according. Main function: bnx2x_populate_phy */
  9825. /* */
  9826. /*****************************************************************/
  9827. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  9828. struct bnx2x_phy *phy, u8 port,
  9829. u8 phy_index)
  9830. {
  9831. /* Get the 4 lanes xgxs config rx and tx */
  9832. u32 rx = 0, tx = 0, i;
  9833. for (i = 0; i < 2; i++) {
  9834. /*
  9835. * INT_PHY and EXT_PHY1 share the same value location in the
  9836. * shmem. When num_phys is greater than 1, than this value
  9837. * applies only to EXT_PHY1
  9838. */
  9839. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  9840. rx = REG_RD(bp, shmem_base +
  9841. offsetof(struct shmem_region,
  9842. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  9843. tx = REG_RD(bp, shmem_base +
  9844. offsetof(struct shmem_region,
  9845. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  9846. } else {
  9847. rx = REG_RD(bp, shmem_base +
  9848. offsetof(struct shmem_region,
  9849. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9850. tx = REG_RD(bp, shmem_base +
  9851. offsetof(struct shmem_region,
  9852. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  9853. }
  9854. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  9855. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  9856. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  9857. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  9858. }
  9859. }
  9860. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  9861. u8 phy_index, u8 port)
  9862. {
  9863. u32 ext_phy_config = 0;
  9864. switch (phy_index) {
  9865. case EXT_PHY1:
  9866. ext_phy_config = REG_RD(bp, shmem_base +
  9867. offsetof(struct shmem_region,
  9868. dev_info.port_hw_config[port].external_phy_config));
  9869. break;
  9870. case EXT_PHY2:
  9871. ext_phy_config = REG_RD(bp, shmem_base +
  9872. offsetof(struct shmem_region,
  9873. dev_info.port_hw_config[port].external_phy_config2));
  9874. break;
  9875. default:
  9876. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  9877. return -EINVAL;
  9878. }
  9879. return ext_phy_config;
  9880. }
  9881. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  9882. struct bnx2x_phy *phy)
  9883. {
  9884. u32 phy_addr;
  9885. u32 chip_id;
  9886. u32 switch_cfg = (REG_RD(bp, shmem_base +
  9887. offsetof(struct shmem_region,
  9888. dev_info.port_feature_config[port].link_config)) &
  9889. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  9890. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  9891. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  9892. if (USES_WARPCORE(bp)) {
  9893. u32 serdes_net_if;
  9894. phy_addr = REG_RD(bp,
  9895. MISC_REG_WC0_CTRL_PHY_ADDR);
  9896. *phy = phy_warpcore;
  9897. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  9898. phy->flags |= FLAGS_4_PORT_MODE;
  9899. else
  9900. phy->flags &= ~FLAGS_4_PORT_MODE;
  9901. /* Check Dual mode */
  9902. serdes_net_if = (REG_RD(bp, shmem_base +
  9903. offsetof(struct shmem_region, dev_info.
  9904. port_hw_config[port].default_cfg)) &
  9905. PORT_HW_CFG_NET_SERDES_IF_MASK);
  9906. /*
  9907. * Set the appropriate supported and flags indications per
  9908. * interface type of the chip
  9909. */
  9910. switch (serdes_net_if) {
  9911. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  9912. phy->supported &= (SUPPORTED_10baseT_Half |
  9913. SUPPORTED_10baseT_Full |
  9914. SUPPORTED_100baseT_Half |
  9915. SUPPORTED_100baseT_Full |
  9916. SUPPORTED_1000baseT_Full |
  9917. SUPPORTED_FIBRE |
  9918. SUPPORTED_Autoneg |
  9919. SUPPORTED_Pause |
  9920. SUPPORTED_Asym_Pause);
  9921. phy->media_type = ETH_PHY_BASE_T;
  9922. break;
  9923. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  9924. phy->media_type = ETH_PHY_XFP_FIBER;
  9925. break;
  9926. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  9927. phy->supported &= (SUPPORTED_1000baseT_Full |
  9928. SUPPORTED_10000baseT_Full |
  9929. SUPPORTED_FIBRE |
  9930. SUPPORTED_Pause |
  9931. SUPPORTED_Asym_Pause);
  9932. phy->media_type = ETH_PHY_SFP_FIBER;
  9933. break;
  9934. case PORT_HW_CFG_NET_SERDES_IF_KR:
  9935. phy->media_type = ETH_PHY_KR;
  9936. phy->supported &= (SUPPORTED_1000baseT_Full |
  9937. SUPPORTED_10000baseT_Full |
  9938. SUPPORTED_FIBRE |
  9939. SUPPORTED_Autoneg |
  9940. SUPPORTED_Pause |
  9941. SUPPORTED_Asym_Pause);
  9942. break;
  9943. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  9944. phy->media_type = ETH_PHY_KR;
  9945. phy->flags |= FLAGS_WC_DUAL_MODE;
  9946. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  9947. SUPPORTED_FIBRE |
  9948. SUPPORTED_Pause |
  9949. SUPPORTED_Asym_Pause);
  9950. break;
  9951. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  9952. phy->media_type = ETH_PHY_KR;
  9953. phy->flags |= FLAGS_WC_DUAL_MODE;
  9954. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  9955. SUPPORTED_FIBRE |
  9956. SUPPORTED_Pause |
  9957. SUPPORTED_Asym_Pause);
  9958. break;
  9959. default:
  9960. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  9961. serdes_net_if);
  9962. break;
  9963. }
  9964. /*
  9965. * Enable MDC/MDIO work-around for E3 A0 since free running MDC
  9966. * was not set as expected. For B0, ECO will be enabled so there
  9967. * won't be an issue there
  9968. */
  9969. if (CHIP_REV(bp) == CHIP_REV_Ax)
  9970. phy->flags |= FLAGS_MDC_MDIO_WA;
  9971. else
  9972. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  9973. } else {
  9974. switch (switch_cfg) {
  9975. case SWITCH_CFG_1G:
  9976. phy_addr = REG_RD(bp,
  9977. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  9978. port * 0x10);
  9979. *phy = phy_serdes;
  9980. break;
  9981. case SWITCH_CFG_10G:
  9982. phy_addr = REG_RD(bp,
  9983. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  9984. port * 0x18);
  9985. *phy = phy_xgxs;
  9986. break;
  9987. default:
  9988. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  9989. return -EINVAL;
  9990. }
  9991. }
  9992. phy->addr = (u8)phy_addr;
  9993. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  9994. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  9995. port);
  9996. if (CHIP_IS_E2(bp))
  9997. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  9998. else
  9999. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10000. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10001. port, phy->addr, phy->mdio_ctrl);
  10002. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10003. return 0;
  10004. }
  10005. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10006. u8 phy_index,
  10007. u32 shmem_base,
  10008. u32 shmem2_base,
  10009. u8 port,
  10010. struct bnx2x_phy *phy)
  10011. {
  10012. u32 ext_phy_config, phy_type, config2;
  10013. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10014. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10015. phy_index, port);
  10016. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10017. /* Select the phy type */
  10018. switch (phy_type) {
  10019. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10020. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10021. *phy = phy_8073;
  10022. break;
  10023. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10024. *phy = phy_8705;
  10025. break;
  10026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10027. *phy = phy_8706;
  10028. break;
  10029. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10030. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10031. *phy = phy_8726;
  10032. break;
  10033. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10034. /* BCM8727_NOC => BCM8727 no over current */
  10035. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10036. *phy = phy_8727;
  10037. phy->flags |= FLAGS_NOC;
  10038. break;
  10039. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10040. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10041. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10042. *phy = phy_8727;
  10043. break;
  10044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10045. *phy = phy_8481;
  10046. break;
  10047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10048. *phy = phy_84823;
  10049. break;
  10050. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10051. *phy = phy_84833;
  10052. break;
  10053. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10054. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10055. *phy = phy_54618se;
  10056. break;
  10057. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10058. *phy = phy_7101;
  10059. break;
  10060. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10061. *phy = phy_null;
  10062. return -EINVAL;
  10063. default:
  10064. *phy = phy_null;
  10065. return 0;
  10066. }
  10067. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10068. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10069. /*
  10070. * The shmem address of the phy version is located on different
  10071. * structures. In case this structure is too old, do not set
  10072. * the address
  10073. */
  10074. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10075. dev_info.shared_hw_config.config2));
  10076. if (phy_index == EXT_PHY1) {
  10077. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10078. port_mb[port].ext_phy_fw_version);
  10079. /* Check specific mdc mdio settings */
  10080. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10081. mdc_mdio_access = config2 &
  10082. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10083. } else {
  10084. u32 size = REG_RD(bp, shmem2_base);
  10085. if (size >
  10086. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10087. phy->ver_addr = shmem2_base +
  10088. offsetof(struct shmem2_region,
  10089. ext_phy_fw_version2[port]);
  10090. }
  10091. /* Check specific mdc mdio settings */
  10092. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10093. mdc_mdio_access = (config2 &
  10094. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10095. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10096. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10097. }
  10098. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10099. /*
  10100. * In case mdc/mdio_access of the external phy is different than the
  10101. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10102. * to prevent one port interfere with another port's CL45 operations.
  10103. */
  10104. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10105. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10106. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10107. phy_type, port, phy_index);
  10108. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10109. phy->addr, phy->mdio_ctrl);
  10110. return 0;
  10111. }
  10112. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10113. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10114. {
  10115. int status = 0;
  10116. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10117. if (phy_index == INT_PHY)
  10118. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10119. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10120. port, phy);
  10121. return status;
  10122. }
  10123. static void bnx2x_phy_def_cfg(struct link_params *params,
  10124. struct bnx2x_phy *phy,
  10125. u8 phy_index)
  10126. {
  10127. struct bnx2x *bp = params->bp;
  10128. u32 link_config;
  10129. /* Populate the default phy configuration for MF mode */
  10130. if (phy_index == EXT_PHY2) {
  10131. link_config = REG_RD(bp, params->shmem_base +
  10132. offsetof(struct shmem_region, dev_info.
  10133. port_feature_config[params->port].link_config2));
  10134. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10135. offsetof(struct shmem_region,
  10136. dev_info.
  10137. port_hw_config[params->port].speed_capability_mask2));
  10138. } else {
  10139. link_config = REG_RD(bp, params->shmem_base +
  10140. offsetof(struct shmem_region, dev_info.
  10141. port_feature_config[params->port].link_config));
  10142. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10143. offsetof(struct shmem_region,
  10144. dev_info.
  10145. port_hw_config[params->port].speed_capability_mask));
  10146. }
  10147. DP(NETIF_MSG_LINK,
  10148. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10149. phy_index, link_config, phy->speed_cap_mask);
  10150. phy->req_duplex = DUPLEX_FULL;
  10151. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10152. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10153. phy->req_duplex = DUPLEX_HALF;
  10154. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10155. phy->req_line_speed = SPEED_10;
  10156. break;
  10157. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10158. phy->req_duplex = DUPLEX_HALF;
  10159. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10160. phy->req_line_speed = SPEED_100;
  10161. break;
  10162. case PORT_FEATURE_LINK_SPEED_1G:
  10163. phy->req_line_speed = SPEED_1000;
  10164. break;
  10165. case PORT_FEATURE_LINK_SPEED_2_5G:
  10166. phy->req_line_speed = SPEED_2500;
  10167. break;
  10168. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10169. phy->req_line_speed = SPEED_10000;
  10170. break;
  10171. default:
  10172. phy->req_line_speed = SPEED_AUTO_NEG;
  10173. break;
  10174. }
  10175. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10176. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10177. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10178. break;
  10179. case PORT_FEATURE_FLOW_CONTROL_TX:
  10180. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10181. break;
  10182. case PORT_FEATURE_FLOW_CONTROL_RX:
  10183. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10184. break;
  10185. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10186. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10187. break;
  10188. default:
  10189. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10190. break;
  10191. }
  10192. }
  10193. u32 bnx2x_phy_selection(struct link_params *params)
  10194. {
  10195. u32 phy_config_swapped, prio_cfg;
  10196. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10197. phy_config_swapped = params->multi_phy_config &
  10198. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10199. prio_cfg = params->multi_phy_config &
  10200. PORT_HW_CFG_PHY_SELECTION_MASK;
  10201. if (phy_config_swapped) {
  10202. switch (prio_cfg) {
  10203. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10204. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10205. break;
  10206. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10207. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10208. break;
  10209. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10210. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10211. break;
  10212. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10213. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10214. break;
  10215. }
  10216. } else
  10217. return_cfg = prio_cfg;
  10218. return return_cfg;
  10219. }
  10220. int bnx2x_phy_probe(struct link_params *params)
  10221. {
  10222. u8 phy_index, actual_phy_idx, link_cfg_idx;
  10223. u32 phy_config_swapped, sync_offset, media_types;
  10224. struct bnx2x *bp = params->bp;
  10225. struct bnx2x_phy *phy;
  10226. params->num_phys = 0;
  10227. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10228. phy_config_swapped = params->multi_phy_config &
  10229. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10230. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10231. phy_index++) {
  10232. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  10233. actual_phy_idx = phy_index;
  10234. if (phy_config_swapped) {
  10235. if (phy_index == EXT_PHY1)
  10236. actual_phy_idx = EXT_PHY2;
  10237. else if (phy_index == EXT_PHY2)
  10238. actual_phy_idx = EXT_PHY1;
  10239. }
  10240. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10241. " actual_phy_idx %x\n", phy_config_swapped,
  10242. phy_index, actual_phy_idx);
  10243. phy = &params->phy[actual_phy_idx];
  10244. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10245. params->shmem2_base, params->port,
  10246. phy) != 0) {
  10247. params->num_phys = 0;
  10248. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10249. phy_index);
  10250. for (phy_index = INT_PHY;
  10251. phy_index < MAX_PHYS;
  10252. phy_index++)
  10253. *phy = phy_null;
  10254. return -EINVAL;
  10255. }
  10256. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10257. break;
  10258. sync_offset = params->shmem_base +
  10259. offsetof(struct shmem_region,
  10260. dev_info.port_hw_config[params->port].media_type);
  10261. media_types = REG_RD(bp, sync_offset);
  10262. /*
  10263. * Update media type for non-PMF sync only for the first time
  10264. * In case the media type changes afterwards, it will be updated
  10265. * using the update_status function
  10266. */
  10267. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10268. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10269. actual_phy_idx))) == 0) {
  10270. media_types |= ((phy->media_type &
  10271. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10272. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10273. actual_phy_idx));
  10274. }
  10275. REG_WR(bp, sync_offset, media_types);
  10276. bnx2x_phy_def_cfg(params, phy, phy_index);
  10277. params->num_phys++;
  10278. }
  10279. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10280. return 0;
  10281. }
  10282. void bnx2x_init_bmac_loopback(struct link_params *params,
  10283. struct link_vars *vars)
  10284. {
  10285. struct bnx2x *bp = params->bp;
  10286. vars->link_up = 1;
  10287. vars->line_speed = SPEED_10000;
  10288. vars->duplex = DUPLEX_FULL;
  10289. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10290. vars->mac_type = MAC_TYPE_BMAC;
  10291. vars->phy_flags = PHY_XGXS_FLAG;
  10292. bnx2x_xgxs_deassert(params);
  10293. /* set bmac loopback */
  10294. bnx2x_bmac_enable(params, vars, 1);
  10295. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10296. }
  10297. void bnx2x_init_emac_loopback(struct link_params *params,
  10298. struct link_vars *vars)
  10299. {
  10300. struct bnx2x *bp = params->bp;
  10301. vars->link_up = 1;
  10302. vars->line_speed = SPEED_1000;
  10303. vars->duplex = DUPLEX_FULL;
  10304. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10305. vars->mac_type = MAC_TYPE_EMAC;
  10306. vars->phy_flags = PHY_XGXS_FLAG;
  10307. bnx2x_xgxs_deassert(params);
  10308. /* set bmac loopback */
  10309. bnx2x_emac_enable(params, vars, 1);
  10310. bnx2x_emac_program(params, vars);
  10311. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10312. }
  10313. void bnx2x_init_xmac_loopback(struct link_params *params,
  10314. struct link_vars *vars)
  10315. {
  10316. struct bnx2x *bp = params->bp;
  10317. vars->link_up = 1;
  10318. if (!params->req_line_speed[0])
  10319. vars->line_speed = SPEED_10000;
  10320. else
  10321. vars->line_speed = params->req_line_speed[0];
  10322. vars->duplex = DUPLEX_FULL;
  10323. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10324. vars->mac_type = MAC_TYPE_XMAC;
  10325. vars->phy_flags = PHY_XGXS_FLAG;
  10326. /*
  10327. * Set WC to loopback mode since link is required to provide clock
  10328. * to the XMAC in 20G mode
  10329. */
  10330. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10331. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10332. params->phy[INT_PHY].config_loopback(
  10333. &params->phy[INT_PHY],
  10334. params);
  10335. bnx2x_xmac_enable(params, vars, 1);
  10336. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10337. }
  10338. void bnx2x_init_umac_loopback(struct link_params *params,
  10339. struct link_vars *vars)
  10340. {
  10341. struct bnx2x *bp = params->bp;
  10342. vars->link_up = 1;
  10343. vars->line_speed = SPEED_1000;
  10344. vars->duplex = DUPLEX_FULL;
  10345. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10346. vars->mac_type = MAC_TYPE_UMAC;
  10347. vars->phy_flags = PHY_XGXS_FLAG;
  10348. bnx2x_umac_enable(params, vars, 1);
  10349. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10350. }
  10351. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10352. struct link_vars *vars)
  10353. {
  10354. struct bnx2x *bp = params->bp;
  10355. vars->link_up = 1;
  10356. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10357. vars->duplex = DUPLEX_FULL;
  10358. if (params->req_line_speed[0] == SPEED_1000)
  10359. vars->line_speed = SPEED_1000;
  10360. else
  10361. vars->line_speed = SPEED_10000;
  10362. if (!USES_WARPCORE(bp))
  10363. bnx2x_xgxs_deassert(params);
  10364. bnx2x_link_initialize(params, vars);
  10365. if (params->req_line_speed[0] == SPEED_1000) {
  10366. if (USES_WARPCORE(bp))
  10367. bnx2x_umac_enable(params, vars, 0);
  10368. else {
  10369. bnx2x_emac_program(params, vars);
  10370. bnx2x_emac_enable(params, vars, 0);
  10371. }
  10372. } else {
  10373. if (USES_WARPCORE(bp))
  10374. bnx2x_xmac_enable(params, vars, 0);
  10375. else
  10376. bnx2x_bmac_enable(params, vars, 0);
  10377. }
  10378. if (params->loopback_mode == LOOPBACK_XGXS) {
  10379. /* set 10G XGXS loopback */
  10380. params->phy[INT_PHY].config_loopback(
  10381. &params->phy[INT_PHY],
  10382. params);
  10383. } else {
  10384. /* set external phy loopback */
  10385. u8 phy_index;
  10386. for (phy_index = EXT_PHY1;
  10387. phy_index < params->num_phys; phy_index++) {
  10388. if (params->phy[phy_index].config_loopback)
  10389. params->phy[phy_index].config_loopback(
  10390. &params->phy[phy_index],
  10391. params);
  10392. }
  10393. }
  10394. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10395. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10396. }
  10397. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10398. {
  10399. struct bnx2x *bp = params->bp;
  10400. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10401. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10402. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10403. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10404. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10405. vars->link_status = 0;
  10406. vars->phy_link_up = 0;
  10407. vars->link_up = 0;
  10408. vars->line_speed = 0;
  10409. vars->duplex = DUPLEX_FULL;
  10410. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10411. vars->mac_type = MAC_TYPE_NONE;
  10412. vars->phy_flags = 0;
  10413. /* disable attentions */
  10414. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10415. (NIG_MASK_XGXS0_LINK_STATUS |
  10416. NIG_MASK_XGXS0_LINK10G |
  10417. NIG_MASK_SERDES0_LINK_STATUS |
  10418. NIG_MASK_MI_INT));
  10419. bnx2x_emac_init(params, vars);
  10420. if (params->num_phys == 0) {
  10421. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10422. return -EINVAL;
  10423. }
  10424. set_phy_vars(params, vars);
  10425. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10426. switch (params->loopback_mode) {
  10427. case LOOPBACK_BMAC:
  10428. bnx2x_init_bmac_loopback(params, vars);
  10429. break;
  10430. case LOOPBACK_EMAC:
  10431. bnx2x_init_emac_loopback(params, vars);
  10432. break;
  10433. case LOOPBACK_XMAC:
  10434. bnx2x_init_xmac_loopback(params, vars);
  10435. break;
  10436. case LOOPBACK_UMAC:
  10437. bnx2x_init_umac_loopback(params, vars);
  10438. break;
  10439. case LOOPBACK_XGXS:
  10440. case LOOPBACK_EXT_PHY:
  10441. bnx2x_init_xgxs_loopback(params, vars);
  10442. break;
  10443. default:
  10444. if (!CHIP_IS_E3(bp)) {
  10445. if (params->switch_cfg == SWITCH_CFG_10G)
  10446. bnx2x_xgxs_deassert(params);
  10447. else
  10448. bnx2x_serdes_deassert(bp, params->port);
  10449. }
  10450. bnx2x_link_initialize(params, vars);
  10451. msleep(30);
  10452. bnx2x_link_int_enable(params);
  10453. break;
  10454. }
  10455. return 0;
  10456. }
  10457. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10458. u8 reset_ext_phy)
  10459. {
  10460. struct bnx2x *bp = params->bp;
  10461. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10462. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10463. /* disable attentions */
  10464. vars->link_status = 0;
  10465. bnx2x_update_mng(params, vars->link_status);
  10466. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10467. (NIG_MASK_XGXS0_LINK_STATUS |
  10468. NIG_MASK_XGXS0_LINK10G |
  10469. NIG_MASK_SERDES0_LINK_STATUS |
  10470. NIG_MASK_MI_INT));
  10471. /* activate nig drain */
  10472. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10473. /* disable nig egress interface */
  10474. if (!CHIP_IS_E3(bp)) {
  10475. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10476. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10477. }
  10478. /* Stop BigMac rx */
  10479. if (!CHIP_IS_E3(bp))
  10480. bnx2x_bmac_rx_disable(bp, port);
  10481. else {
  10482. bnx2x_xmac_disable(params);
  10483. bnx2x_umac_disable(params);
  10484. }
  10485. /* disable emac */
  10486. if (!CHIP_IS_E3(bp))
  10487. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10488. msleep(10);
  10489. /* The PHY reset is controlled by GPIO 1
  10490. * Hold it as vars low
  10491. */
  10492. /* clear link led */
  10493. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10494. if (reset_ext_phy) {
  10495. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10496. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10497. phy_index++) {
  10498. if (params->phy[phy_index].link_reset) {
  10499. bnx2x_set_aer_mmd(params,
  10500. &params->phy[phy_index]);
  10501. params->phy[phy_index].link_reset(
  10502. &params->phy[phy_index],
  10503. params);
  10504. }
  10505. if (params->phy[phy_index].flags &
  10506. FLAGS_REARM_LATCH_SIGNAL)
  10507. clear_latch_ind = 1;
  10508. }
  10509. }
  10510. if (clear_latch_ind) {
  10511. /* Clear latching indication */
  10512. bnx2x_rearm_latch_signal(bp, port, 0);
  10513. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10514. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10515. }
  10516. if (params->phy[INT_PHY].link_reset)
  10517. params->phy[INT_PHY].link_reset(
  10518. &params->phy[INT_PHY], params);
  10519. /* disable nig ingress interface */
  10520. if (!CHIP_IS_E3(bp)) {
  10521. /* reset BigMac */
  10522. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10523. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10524. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10525. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10526. } else {
  10527. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10528. bnx2x_set_xumac_nig(params, 0, 0);
  10529. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10530. MISC_REGISTERS_RESET_REG_2_XMAC)
  10531. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10532. XMAC_CTRL_REG_SOFT_RESET);
  10533. }
  10534. vars->link_up = 0;
  10535. vars->phy_flags = 0;
  10536. return 0;
  10537. }
  10538. /****************************************************************************/
  10539. /* Common function */
  10540. /****************************************************************************/
  10541. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10542. u32 shmem_base_path[],
  10543. u32 shmem2_base_path[], u8 phy_index,
  10544. u32 chip_id)
  10545. {
  10546. struct bnx2x_phy phy[PORT_MAX];
  10547. struct bnx2x_phy *phy_blk[PORT_MAX];
  10548. u16 val;
  10549. s8 port = 0;
  10550. s8 port_of_path = 0;
  10551. u32 swap_val, swap_override;
  10552. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10553. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10554. port ^= (swap_val && swap_override);
  10555. bnx2x_ext_phy_hw_reset(bp, port);
  10556. /* PART1 - Reset both phys */
  10557. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10558. u32 shmem_base, shmem2_base;
  10559. /* In E2, same phy is using for port0 of the two paths */
  10560. if (CHIP_IS_E1x(bp)) {
  10561. shmem_base = shmem_base_path[0];
  10562. shmem2_base = shmem2_base_path[0];
  10563. port_of_path = port;
  10564. } else {
  10565. shmem_base = shmem_base_path[port];
  10566. shmem2_base = shmem2_base_path[port];
  10567. port_of_path = 0;
  10568. }
  10569. /* Extract the ext phy address for the port */
  10570. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10571. port_of_path, &phy[port]) !=
  10572. 0) {
  10573. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10574. return -EINVAL;
  10575. }
  10576. /* disable attentions */
  10577. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10578. port_of_path*4,
  10579. (NIG_MASK_XGXS0_LINK_STATUS |
  10580. NIG_MASK_XGXS0_LINK10G |
  10581. NIG_MASK_SERDES0_LINK_STATUS |
  10582. NIG_MASK_MI_INT));
  10583. /* Need to take the phy out of low power mode in order
  10584. to write to access its registers */
  10585. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10586. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10587. port);
  10588. /* Reset the phy */
  10589. bnx2x_cl45_write(bp, &phy[port],
  10590. MDIO_PMA_DEVAD,
  10591. MDIO_PMA_REG_CTRL,
  10592. 1<<15);
  10593. }
  10594. /* Add delay of 150ms after reset */
  10595. msleep(150);
  10596. if (phy[PORT_0].addr & 0x1) {
  10597. phy_blk[PORT_0] = &(phy[PORT_1]);
  10598. phy_blk[PORT_1] = &(phy[PORT_0]);
  10599. } else {
  10600. phy_blk[PORT_0] = &(phy[PORT_0]);
  10601. phy_blk[PORT_1] = &(phy[PORT_1]);
  10602. }
  10603. /* PART2 - Download firmware to both phys */
  10604. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10605. if (CHIP_IS_E1x(bp))
  10606. port_of_path = port;
  10607. else
  10608. port_of_path = 0;
  10609. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10610. phy_blk[port]->addr);
  10611. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10612. port_of_path))
  10613. return -EINVAL;
  10614. /* Only set bit 10 = 1 (Tx power down) */
  10615. bnx2x_cl45_read(bp, phy_blk[port],
  10616. MDIO_PMA_DEVAD,
  10617. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10618. /* Phase1 of TX_POWER_DOWN reset */
  10619. bnx2x_cl45_write(bp, phy_blk[port],
  10620. MDIO_PMA_DEVAD,
  10621. MDIO_PMA_REG_TX_POWER_DOWN,
  10622. (val | 1<<10));
  10623. }
  10624. /*
  10625. * Toggle Transmitter: Power down and then up with 600ms delay
  10626. * between
  10627. */
  10628. msleep(600);
  10629. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10630. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10631. /* Phase2 of POWER_DOWN_RESET */
  10632. /* Release bit 10 (Release Tx power down) */
  10633. bnx2x_cl45_read(bp, phy_blk[port],
  10634. MDIO_PMA_DEVAD,
  10635. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10636. bnx2x_cl45_write(bp, phy_blk[port],
  10637. MDIO_PMA_DEVAD,
  10638. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10639. msleep(15);
  10640. /* Read modify write the SPI-ROM version select register */
  10641. bnx2x_cl45_read(bp, phy_blk[port],
  10642. MDIO_PMA_DEVAD,
  10643. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10644. bnx2x_cl45_write(bp, phy_blk[port],
  10645. MDIO_PMA_DEVAD,
  10646. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10647. /* set GPIO2 back to LOW */
  10648. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10649. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10650. }
  10651. return 0;
  10652. }
  10653. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10654. u32 shmem_base_path[],
  10655. u32 shmem2_base_path[], u8 phy_index,
  10656. u32 chip_id)
  10657. {
  10658. u32 val;
  10659. s8 port;
  10660. struct bnx2x_phy phy;
  10661. /* Use port1 because of the static port-swap */
  10662. /* Enable the module detection interrupt */
  10663. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10664. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10665. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10666. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10667. bnx2x_ext_phy_hw_reset(bp, 0);
  10668. msleep(5);
  10669. for (port = 0; port < PORT_MAX; port++) {
  10670. u32 shmem_base, shmem2_base;
  10671. /* In E2, same phy is using for port0 of the two paths */
  10672. if (CHIP_IS_E1x(bp)) {
  10673. shmem_base = shmem_base_path[0];
  10674. shmem2_base = shmem2_base_path[0];
  10675. } else {
  10676. shmem_base = shmem_base_path[port];
  10677. shmem2_base = shmem2_base_path[port];
  10678. }
  10679. /* Extract the ext phy address for the port */
  10680. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10681. port, &phy) !=
  10682. 0) {
  10683. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10684. return -EINVAL;
  10685. }
  10686. /* Reset phy*/
  10687. bnx2x_cl45_write(bp, &phy,
  10688. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10689. /* Set fault module detected LED on */
  10690. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10691. MISC_REGISTERS_GPIO_HIGH,
  10692. port);
  10693. }
  10694. return 0;
  10695. }
  10696. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10697. u8 *io_gpio, u8 *io_port)
  10698. {
  10699. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10700. offsetof(struct shmem_region,
  10701. dev_info.port_hw_config[PORT_0].default_cfg));
  10702. switch (phy_gpio_reset) {
  10703. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10704. *io_gpio = 0;
  10705. *io_port = 0;
  10706. break;
  10707. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10708. *io_gpio = 1;
  10709. *io_port = 0;
  10710. break;
  10711. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10712. *io_gpio = 2;
  10713. *io_port = 0;
  10714. break;
  10715. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10716. *io_gpio = 3;
  10717. *io_port = 0;
  10718. break;
  10719. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10720. *io_gpio = 0;
  10721. *io_port = 1;
  10722. break;
  10723. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10724. *io_gpio = 1;
  10725. *io_port = 1;
  10726. break;
  10727. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10728. *io_gpio = 2;
  10729. *io_port = 1;
  10730. break;
  10731. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10732. *io_gpio = 3;
  10733. *io_port = 1;
  10734. break;
  10735. default:
  10736. /* Don't override the io_gpio and io_port */
  10737. break;
  10738. }
  10739. }
  10740. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10741. u32 shmem_base_path[],
  10742. u32 shmem2_base_path[], u8 phy_index,
  10743. u32 chip_id)
  10744. {
  10745. s8 port, reset_gpio;
  10746. u32 swap_val, swap_override;
  10747. struct bnx2x_phy phy[PORT_MAX];
  10748. struct bnx2x_phy *phy_blk[PORT_MAX];
  10749. s8 port_of_path;
  10750. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10751. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10752. reset_gpio = MISC_REGISTERS_GPIO_1;
  10753. port = 1;
  10754. /*
  10755. * Retrieve the reset gpio/port which control the reset.
  10756. * Default is GPIO1, PORT1
  10757. */
  10758. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10759. (u8 *)&reset_gpio, (u8 *)&port);
  10760. /* Calculate the port based on port swap */
  10761. port ^= (swap_val && swap_override);
  10762. /* Initiate PHY reset*/
  10763. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10764. port);
  10765. msleep(1);
  10766. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10767. port);
  10768. msleep(5);
  10769. /* PART1 - Reset both phys */
  10770. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10771. u32 shmem_base, shmem2_base;
  10772. /* In E2, same phy is using for port0 of the two paths */
  10773. if (CHIP_IS_E1x(bp)) {
  10774. shmem_base = shmem_base_path[0];
  10775. shmem2_base = shmem2_base_path[0];
  10776. port_of_path = port;
  10777. } else {
  10778. shmem_base = shmem_base_path[port];
  10779. shmem2_base = shmem2_base_path[port];
  10780. port_of_path = 0;
  10781. }
  10782. /* Extract the ext phy address for the port */
  10783. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10784. port_of_path, &phy[port]) !=
  10785. 0) {
  10786. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10787. return -EINVAL;
  10788. }
  10789. /* disable attentions */
  10790. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10791. port_of_path*4,
  10792. (NIG_MASK_XGXS0_LINK_STATUS |
  10793. NIG_MASK_XGXS0_LINK10G |
  10794. NIG_MASK_SERDES0_LINK_STATUS |
  10795. NIG_MASK_MI_INT));
  10796. /* Reset the phy */
  10797. bnx2x_cl45_write(bp, &phy[port],
  10798. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  10799. }
  10800. /* Add delay of 150ms after reset */
  10801. msleep(150);
  10802. if (phy[PORT_0].addr & 0x1) {
  10803. phy_blk[PORT_0] = &(phy[PORT_1]);
  10804. phy_blk[PORT_1] = &(phy[PORT_0]);
  10805. } else {
  10806. phy_blk[PORT_0] = &(phy[PORT_0]);
  10807. phy_blk[PORT_1] = &(phy[PORT_1]);
  10808. }
  10809. /* PART2 - Download firmware to both phys */
  10810. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10811. if (CHIP_IS_E1x(bp))
  10812. port_of_path = port;
  10813. else
  10814. port_of_path = 0;
  10815. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10816. phy_blk[port]->addr);
  10817. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10818. port_of_path))
  10819. return -EINVAL;
  10820. /* Disable PHY transmitter output */
  10821. bnx2x_cl45_write(bp, phy_blk[port],
  10822. MDIO_PMA_DEVAD,
  10823. MDIO_PMA_REG_TX_DISABLE, 1);
  10824. }
  10825. return 0;
  10826. }
  10827. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  10828. u32 shmem2_base_path[], u8 phy_index,
  10829. u32 ext_phy_type, u32 chip_id)
  10830. {
  10831. int rc = 0;
  10832. switch (ext_phy_type) {
  10833. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10834. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  10835. shmem2_base_path,
  10836. phy_index, chip_id);
  10837. break;
  10838. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10839. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10840. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10841. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  10842. shmem2_base_path,
  10843. phy_index, chip_id);
  10844. break;
  10845. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10846. /*
  10847. * GPIO1 affects both ports, so there's need to pull
  10848. * it for single port alone
  10849. */
  10850. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  10851. shmem2_base_path,
  10852. phy_index, chip_id);
  10853. break;
  10854. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10855. /*
  10856. * GPIO3's are linked, and so both need to be toggled
  10857. * to obtain required 2us pulse.
  10858. */
  10859. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, chip_id);
  10860. break;
  10861. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10862. rc = -EINVAL;
  10863. break;
  10864. default:
  10865. DP(NETIF_MSG_LINK,
  10866. "ext_phy 0x%x common init not required\n",
  10867. ext_phy_type);
  10868. break;
  10869. }
  10870. if (rc != 0)
  10871. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  10872. " Port %d\n",
  10873. 0);
  10874. return rc;
  10875. }
  10876. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  10877. u32 shmem2_base_path[], u32 chip_id)
  10878. {
  10879. int rc = 0;
  10880. u32 phy_ver, val;
  10881. u8 phy_index = 0;
  10882. u32 ext_phy_type, ext_phy_config;
  10883. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  10884. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  10885. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  10886. if (CHIP_IS_E3(bp)) {
  10887. /* Enable EPIO */
  10888. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  10889. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  10890. }
  10891. /* Check if common init was already done */
  10892. phy_ver = REG_RD(bp, shmem_base_path[0] +
  10893. offsetof(struct shmem_region,
  10894. port_mb[PORT_0].ext_phy_fw_version));
  10895. if (phy_ver) {
  10896. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  10897. phy_ver);
  10898. return 0;
  10899. }
  10900. /* Read the ext_phy_type for arbitrary port(0) */
  10901. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  10902. phy_index++) {
  10903. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  10904. shmem_base_path[0],
  10905. phy_index, 0);
  10906. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10907. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  10908. shmem2_base_path,
  10909. phy_index, ext_phy_type,
  10910. chip_id);
  10911. }
  10912. return rc;
  10913. }
  10914. static void bnx2x_check_over_curr(struct link_params *params,
  10915. struct link_vars *vars)
  10916. {
  10917. struct bnx2x *bp = params->bp;
  10918. u32 cfg_pin;
  10919. u8 port = params->port;
  10920. u32 pin_val;
  10921. cfg_pin = (REG_RD(bp, params->shmem_base +
  10922. offsetof(struct shmem_region,
  10923. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  10924. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  10925. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  10926. /* Ignore check if no external input PIN available */
  10927. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  10928. return;
  10929. if (!pin_val) {
  10930. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  10931. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  10932. " been detected and the power to "
  10933. "that SFP+ module has been removed"
  10934. " to prevent failure of the card."
  10935. " Please remove the SFP+ module and"
  10936. " restart the system to clear this"
  10937. " error.\n",
  10938. params->port);
  10939. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  10940. }
  10941. } else
  10942. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  10943. }
  10944. static void bnx2x_analyze_link_error(struct link_params *params,
  10945. struct link_vars *vars, u32 lss_status)
  10946. {
  10947. struct bnx2x *bp = params->bp;
  10948. /* Compare new value with previous value */
  10949. u8 led_mode;
  10950. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  10951. if ((lss_status ^ half_open_conn) == 0)
  10952. return;
  10953. /* If values differ */
  10954. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  10955. half_open_conn, lss_status);
  10956. /*
  10957. * a. Update shmem->link_status accordingly
  10958. * b. Update link_vars->link_up
  10959. */
  10960. if (lss_status) {
  10961. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  10962. vars->link_status &= ~LINK_STATUS_LINK_UP;
  10963. vars->link_up = 0;
  10964. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  10965. /*
  10966. * Set LED mode to off since the PHY doesn't know about these
  10967. * errors
  10968. */
  10969. led_mode = LED_MODE_OFF;
  10970. } else {
  10971. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  10972. vars->link_status |= LINK_STATUS_LINK_UP;
  10973. vars->link_up = 1;
  10974. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  10975. led_mode = LED_MODE_OPER;
  10976. }
  10977. /* Update the LED according to the link state */
  10978. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  10979. /* Update link status in the shared memory */
  10980. bnx2x_update_mng(params, vars->link_status);
  10981. /* C. Trigger General Attention */
  10982. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  10983. bnx2x_notify_link_changed(bp);
  10984. }
  10985. /******************************************************************************
  10986. * Description:
  10987. * This function checks for half opened connection change indication.
  10988. * When such change occurs, it calls the bnx2x_analyze_link_error
  10989. * to check if Remote Fault is set or cleared. Reception of remote fault
  10990. * status message in the MAC indicates that the peer's MAC has detected
  10991. * a fault, for example, due to break in the TX side of fiber.
  10992. *
  10993. ******************************************************************************/
  10994. static void bnx2x_check_half_open_conn(struct link_params *params,
  10995. struct link_vars *vars)
  10996. {
  10997. struct bnx2x *bp = params->bp;
  10998. u32 lss_status = 0;
  10999. u32 mac_base;
  11000. /* In case link status is physically up @ 10G do */
  11001. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11002. return;
  11003. if (CHIP_IS_E3(bp) &&
  11004. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11005. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11006. /* Check E3 XMAC */
  11007. /*
  11008. * Note that link speed cannot be queried here, since it may be
  11009. * zero while link is down. In case UMAC is active, LSS will
  11010. * simply not be set
  11011. */
  11012. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11013. /* Clear stick bits (Requires rising edge) */
  11014. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11015. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11016. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11017. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11018. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11019. lss_status = 1;
  11020. bnx2x_analyze_link_error(params, vars, lss_status);
  11021. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11022. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11023. /* Check E1X / E2 BMAC */
  11024. u32 lss_status_reg;
  11025. u32 wb_data[2];
  11026. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11027. NIG_REG_INGRESS_BMAC0_MEM;
  11028. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11029. if (CHIP_IS_E2(bp))
  11030. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11031. else
  11032. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11033. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11034. lss_status = (wb_data[0] > 0);
  11035. bnx2x_analyze_link_error(params, vars, lss_status);
  11036. }
  11037. }
  11038. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11039. {
  11040. struct bnx2x *bp = params->bp;
  11041. u16 phy_idx;
  11042. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11043. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11044. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11045. bnx2x_check_half_open_conn(params, vars);
  11046. break;
  11047. }
  11048. }
  11049. if (CHIP_IS_E3(bp)) {
  11050. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11051. bnx2x_set_aer_mmd(params, phy);
  11052. bnx2x_check_over_curr(params, vars);
  11053. bnx2x_warpcore_config_runtime(phy, params, vars);
  11054. }
  11055. }
  11056. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11057. {
  11058. u8 phy_index;
  11059. struct bnx2x_phy phy;
  11060. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11061. phy_index++) {
  11062. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11063. 0, &phy) != 0) {
  11064. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11065. return 0;
  11066. }
  11067. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11068. return 1;
  11069. }
  11070. return 0;
  11071. }
  11072. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11073. u32 shmem_base,
  11074. u32 shmem2_base,
  11075. u8 port)
  11076. {
  11077. u8 phy_index, fan_failure_det_req = 0;
  11078. struct bnx2x_phy phy;
  11079. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11080. phy_index++) {
  11081. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11082. port, &phy)
  11083. != 0) {
  11084. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11085. return 0;
  11086. }
  11087. fan_failure_det_req |= (phy.flags &
  11088. FLAGS_FAN_FAILURE_DET_REQ);
  11089. }
  11090. return fan_failure_det_req;
  11091. }
  11092. void bnx2x_hw_reset_phy(struct link_params *params)
  11093. {
  11094. u8 phy_index;
  11095. struct bnx2x *bp = params->bp;
  11096. bnx2x_update_mng(params, 0);
  11097. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11098. (NIG_MASK_XGXS0_LINK_STATUS |
  11099. NIG_MASK_XGXS0_LINK10G |
  11100. NIG_MASK_SERDES0_LINK_STATUS |
  11101. NIG_MASK_MI_INT));
  11102. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11103. phy_index++) {
  11104. if (params->phy[phy_index].hw_reset) {
  11105. params->phy[phy_index].hw_reset(
  11106. &params->phy[phy_index],
  11107. params);
  11108. params->phy[phy_index] = phy_null;
  11109. }
  11110. }
  11111. }
  11112. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11113. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11114. u8 port)
  11115. {
  11116. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11117. u32 val;
  11118. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11119. if (CHIP_IS_E3(bp)) {
  11120. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11121. shmem_base,
  11122. port,
  11123. &gpio_num,
  11124. &gpio_port) != 0)
  11125. return;
  11126. } else {
  11127. struct bnx2x_phy phy;
  11128. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11129. phy_index++) {
  11130. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11131. shmem2_base, port, &phy)
  11132. != 0) {
  11133. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11134. return;
  11135. }
  11136. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11137. gpio_num = MISC_REGISTERS_GPIO_3;
  11138. gpio_port = port;
  11139. break;
  11140. }
  11141. }
  11142. }
  11143. if (gpio_num == 0xff)
  11144. return;
  11145. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11146. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11147. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11148. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11149. gpio_port ^= (swap_val && swap_override);
  11150. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11151. (gpio_num + (gpio_port << 2));
  11152. sync_offset = shmem_base +
  11153. offsetof(struct shmem_region,
  11154. dev_info.port_hw_config[port].aeu_int_mask);
  11155. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11156. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11157. gpio_num, gpio_port, vars->aeu_int_mask);
  11158. if (port == 0)
  11159. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11160. else
  11161. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11162. /* Open appropriate AEU for interrupts */
  11163. aeu_mask = REG_RD(bp, offset);
  11164. aeu_mask |= vars->aeu_int_mask;
  11165. REG_WR(bp, offset, aeu_mask);
  11166. /* Enable the GPIO to trigger interrupt */
  11167. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11168. val |= 1 << (gpio_num + (gpio_port << 2));
  11169. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11170. }