/* Copyright 2008-2011 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2, available * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a * license other than the GPL, without Broadcom's express prior written * consent. * * Written by Yaniv Rosner * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include "bnx2x.h" /********************************************************/ #define ETH_HLEN 14 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ #define ETH_OVREHEAD (ETH_HLEN + 8 + 8) #define ETH_MIN_PACKET_SIZE 60 #define ETH_MAX_PACKET_SIZE 1500 #define ETH_MAX_JUMBO_PACKET_SIZE 9600 #define MDIO_ACCESS_TIMEOUT 1000 #define BMAC_CONTROL_RX_ENABLE 2 /***********************************************************/ /* Shortcut definitions */ /***********************************************************/ #define NIG_LATCH_BC_ENABLE_MI_INT 0 #define NIG_STATUS_EMAC0_MI_INT \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT #define NIG_STATUS_XGXS0_LINK10G \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G #define NIG_STATUS_XGXS0_LINK_STATUS \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE #define NIG_STATUS_SERDES0_LINK_STATUS \ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS #define NIG_MASK_MI_INT \ NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT #define NIG_MASK_XGXS0_LINK10G \ NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G #define NIG_MASK_XGXS0_LINK_STATUS \ NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS #define NIG_MASK_SERDES0_LINK_STATUS \ NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS #define MDIO_AN_CL73_OR_37_COMPLETE \ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \ MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE) #define XGXS_RESET_BITS \ (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB) #define SERDES_RESET_BITS \ (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD) #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM #define AUTONEG_PARALLEL \ SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION #define AUTONEG_SGMII_FIBER_AUTODET \ SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \ MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \ MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE #define GP_STATUS_SPEED_MASK \ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G #define GP_STATUS_10G_HIG \ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG #define GP_STATUS_10G_CX4 \ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 #define GP_STATUS_12G_HIG \ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX #define GP_STATUS_10G_KX4 \ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD #define PHY_XGXS_FLAG 0x1 #define PHY_SGMII_FLAG 0x2 #define PHY_SERDES_FLAG 0x4 /* */ #define SFP_EEPROM_CON_TYPE_ADDR 0x2 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 #define SFP_EEPROM_COMP_CODE_ADDR 0x3 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 #define SFP_EEPROM_OPTIONS_ADDR 0x40 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 #define SFP_EEPROM_OPTIONS_SIZE 2 #define EDC_MODE_LINEAR 0x0022 #define EDC_MODE_LIMITING 0x0044 #define EDC_MODE_PASSIVE_DAC 0x0055 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000) #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000) /**********************************************************/ /* INTERFACE */ /**********************************************************/ #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ bnx2x_cl45_write(_bp, _phy, \ (_phy)->def_md_devad, \ (_bank + (_addr & 0xf)), \ _val) #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ bnx2x_cl45_read(_bp, _phy, \ (_phy)->def_md_devad, \ (_bank + (_addr & 0xf)), \ _val) static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) { u32 val = REG_RD(bp, reg); val |= bits; REG_WR(bp, reg, val); return val; } static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) { u32 val = REG_RD(bp, reg); val &= ~bits; REG_WR(bp, reg, val); return val; } /******************************************************************/ /* ETS section */ /******************************************************************/ void bnx2x_ets_disabled(struct link_params *params) { /* ETS disabled configuration*/ struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "ETS disabled configuration\n"); /* * mapping between entry priority to client number (0,1,2 -debug and * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) * 3bits client num. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000 */ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); /* * Bitmap of 5bits length. Each bit specifies whether the entry behaves * as strict. Bits 0,1,2 - debug and management entries, 3 - * COS0 entry, 4 - COS1 entry. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT * bit4 bit3 bit2 bit1 bit0 * MCP and debug are strict */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); /* defines which entries (clients) are subjected to WFQ arbitration */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); /* * For strict priority entries defines the number of consecutive * slots for the highest priority. */ REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); /* * mapping between the CREDIT_WEIGHT registers and actual client * numbers */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0); REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); /* ETS mode disable */ REG_WR(bp, PBF_REG_ETS_ENABLED, 0); /* * If ETS mode is enabled (there is no strict priority) defines a WFQ * weight for COS0/COS1. */ REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710); REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710); /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */ REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680); REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680); /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); } static void bnx2x_ets_bw_limit_common(const struct link_params *params) { /* ETS disabled configuration */ struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); /* * defines which entries (clients) are subjected to WFQ arbitration * COS0 0x8 * COS1 0x10 */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); /* * mapping between the ARB_CREDIT_WEIGHT registers and actual * client numbers (WEIGHT_0 does not actually have to represent * client 0) * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, ETS_BW_LIMIT_CREDIT_UPPER_BOUND); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, ETS_BW_LIMIT_CREDIT_UPPER_BOUND); /* ETS mode enabled*/ REG_WR(bp, PBF_REG_ETS_ENABLED, 1); /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); /* * Bitmap of 5bits length. Each bit specifies whether the entry behaves * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 * entry, 4 - COS1 entry. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT * bit4 bit3 bit2 bit1 bit0 * MCP and debug are strict */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, ETS_BW_LIMIT_CREDIT_UPPER_BOUND); REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, ETS_BW_LIMIT_CREDIT_UPPER_BOUND); } void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw, const u32 cos1_bw) { /* ETS disabled configuration*/ struct bnx2x *bp = params->bp; const u32 total_bw = cos0_bw + cos1_bw; u32 cos0_credit_weight = 0; u32 cos1_credit_weight = 0; DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); if ((0 == total_bw) || (0 == cos0_bw) || (0 == cos1_bw)) { DP(NETIF_MSG_LINK, "Total BW can't be zero\n"); return; } cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ total_bw; cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ total_bw; bnx2x_ets_bw_limit_common(params); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight); REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight); REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight); } u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) { /* ETS disabled configuration*/ struct bnx2x *bp = params->bp; u32 val = 0; DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n"); /* * Bitmap of 5bits length. Each bit specifies whether the entry behaves * as strict. Bits 0,1,2 - debug and management entries, * 3 - COS0 entry, 4 - COS1 entry. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT * bit4 bit3 bit2 bit1 bit0 * MCP and debug are strict */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); /* * For strict priority entries defines the number of consecutive slots * for the highest priority. */ REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); /* ETS mode disable */ REG_WR(bp, PBF_REG_ETS_ENABLED, 0); /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100); /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); /* * mapping between entry priority to client number (0,1,2 -debug and * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) * 3bits client num. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 */ val = (0 == strict_cos) ? 0x2318 : 0x22E0; REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); return 0; } /******************************************************************/ /* ETS section */ /******************************************************************/ static void bnx2x_bmac2_get_pfc_stat(struct link_params *params, u32 pfc_frames_sent[2], u32 pfc_frames_received[2]) { /* Read pfc statistic */ struct bnx2x *bp = params->bp; u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n"); REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP, pfc_frames_sent, 2); REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP, pfc_frames_received, 2); } static void bnx2x_emac_get_pfc_stat(struct link_params *params, u32 pfc_frames_sent[2], u32 pfc_frames_received[2]) { /* Read pfc statistic */ struct bnx2x *bp = params->bp; u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u32 val_xon = 0; u32 val_xoff = 0; DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n"); /* PFC received frames */ val_xoff = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XOFF_RCVD); val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT; val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD); val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT; pfc_frames_received[0] = val_xon + val_xoff; /* PFC received sent */ val_xoff = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XOFF_SENT); val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT; val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT); val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT; pfc_frames_sent[0] = val_xon + val_xoff; } void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars, u32 pfc_frames_sent[2], u32 pfc_frames_received[2]) { /* Read pfc statistic */ struct bnx2x *bp = params->bp; u32 val = 0; DP(NETIF_MSG_LINK, "pfc statistic\n"); if (!vars->link_up) return; val = REG_RD(bp, MISC_REG_RESET_REG_2); if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) == 0) { DP(NETIF_MSG_LINK, "About to read stats from EMAC\n"); bnx2x_emac_get_pfc_stat(params, pfc_frames_sent, pfc_frames_received); } else { DP(NETIF_MSG_LINK, "About to read stats from BMAC\n"); bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent, pfc_frames_received); } } /******************************************************************/ /* MAC/PBF section */ /******************************************************************/ static void bnx2x_emac_init(struct link_params *params, struct link_vars *vars) { /* reset and unreset the emac core */ struct bnx2x *bp = params->bp; u8 port = params->port; u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u32 val; u16 timeout; REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); udelay(5); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); /* init emac - use read-modify-write */ /* self clear reset */ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); timeout = 200; do { val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); if (!timeout) { DP(NETIF_MSG_LINK, "EMAC timeout!\n"); return; } timeout--; } while (val & EMAC_MODE_RESET); /* Set mac address */ val = ((params->mac_addr[0] << 8) | params->mac_addr[1]); EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val); val = ((params->mac_addr[2] << 24) | (params->mac_addr[3] << 16) | (params->mac_addr[4] << 8) | params->mac_addr[5]); EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val); } static u8 bnx2x_emac_enable(struct link_params *params, struct link_vars *vars, u8 lb) { struct bnx2x *bp = params->bp; u8 port = params->port; u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u32 val; DP(NETIF_MSG_LINK, "enabling EMAC\n"); /* enable emac and not bmac */ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); /* for paladium */ if (CHIP_REV_IS_EMUL(bp)) { /* Use lane 1 (of lanes 0-3) */ REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); } /* for fpga */ else if (CHIP_REV_IS_FPGA(bp)) { /* Use lane 1 (of lanes 0-3) */ DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n"); REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); } else /* ASIC */ if (vars->phy_flags & PHY_XGXS_FLAG) { u32 ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); DP(NETIF_MSG_LINK, "XGXS\n"); /* select the master lanes (out of 0-3) */ REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane); /* select XGXS */ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); } else { /* SerDes */ DP(NETIF_MSG_LINK, "SerDes\n"); /* select SerDes */ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); } bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, EMAC_RX_MODE_RESET); bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_RESET); if (CHIP_REV_IS_SLOW(bp)) { /* config GMII mode */ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); } else { /* ASIC */ /* pause enable/disable */ bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, EMAC_RX_MODE_FLOW_EN); bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, (EMAC_TX_MODE_EXT_PAUSE_EN | EMAC_TX_MODE_FLOW_EN)); if (!(params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)) { if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, EMAC_RX_MODE_FLOW_EN); if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, (EMAC_TX_MODE_EXT_PAUSE_EN | EMAC_TX_MODE_FLOW_EN)); } else bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_FLOW_EN); } /* KEEP_VLAN_TAG, promiscuous */ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; /* * Setting this bit causes MAC control frames (except for pause * frames) to be passed on for processing. This setting has no * affect on the operation of the pause frames. This bit effects * all packets regardless of RX Parser packet sorting logic. * Turn the PFC off to make sure we are in Xon state before * enabling it. */ EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0); if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { DP(NETIF_MSG_LINK, "PFC is enabled\n"); /* Enable PFC again */ EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, EMAC_REG_RX_PFC_MODE_RX_EN | EMAC_REG_RX_PFC_MODE_TX_EN | EMAC_REG_RX_PFC_MODE_PRIORITIES); EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM, ((0x0101 << EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) | (0x00ff << EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT))); val |= EMAC_RX_MODE_KEEP_MAC_CONTROL; } EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val); /* Set Loopback */ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); if (lb) val |= 0x810; else val &= ~0x810; EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); /* enable emac */ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); /* enable emac for jumbo packets */ EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, (EMAC_RX_MTU_SIZE_JUMBO_ENA | (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); /* strip CRC */ REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); /* disable the NIG in/out to the bmac */ REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0); REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); /* enable the NIG in/out to the emac */ REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1); val = 0; if ((params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) || (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) val = 1; REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); if (CHIP_REV_IS_EMUL(bp)) { /* take the BigMac out of reset */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); /* enable access for bmac registers */ REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); } else REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); vars->mac_type = MAC_TYPE_EMAC; return 0; } static void bnx2x_update_pfc_bmac1(struct link_params *params, struct link_vars *vars) { u32 wb_data[2]; struct bnx2x *bp = params->bp; u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; u32 val = 0x14; if ((!(params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)) && (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) /* Enable BigMAC to react on received Pause packets */ val |= (1<<5); wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2); /* tx control */ val = 0xc0; if (!(params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) && (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) val |= 0x800000; wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2); } static void bnx2x_update_pfc_bmac2(struct link_params *params, struct link_vars *vars, u8 is_lb) { /* * Set rx control: Strip CRC and enable BigMAC to relay * control packets to the system as well */ u32 wb_data[2]; struct bnx2x *bp = params->bp; u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; u32 val = 0x14; if ((!(params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)) && (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) /* Enable BigMAC to react on received Pause packets */ val |= (1<<5); wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2); udelay(30); /* Tx control */ val = 0xc0; if (!(params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) && (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) val |= 0x800000; wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2); if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { DP(NETIF_MSG_LINK, "PFC is enabled\n"); /* Enable PFC RX & TX & STATS and set 8 COS */ wb_data[0] = 0x0; wb_data[0] |= (1<<0); /* RX */ wb_data[0] |= (1<<1); /* TX */ wb_data[0] |= (1<<2); /* Force initial Xon */ wb_data[0] |= (1<<3); /* 8 cos */ wb_data[0] |= (1<<5); /* STATS */ wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); /* Clear the force Xon */ wb_data[0] &= ~(1<<2); } else { DP(NETIF_MSG_LINK, "PFC is disabled\n"); /* disable PFC RX & TX & STATS and set 8 COS */ wb_data[0] = 0x8; wb_data[1] = 0; } REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); /* * Set Time (based unit is 512 bit time) between automatic * re-sending of PP packets amd enable automatic re-send of * Per-Priroity Packet as long as pp_gen is asserted and * pp_disable is low. */ val = 0x8000; if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) val |= (1<<16); /* enable automatic re-send */ wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL, wb_data, 2); /* mac control */ val = 0x3; /* Enable RX and TX */ if (is_lb) { val |= 0x4; /* Local loopback */ DP(NETIF_MSG_LINK, "enable bmac loopback\n"); } /* When PFC enabled, Pass pause frames towards the NIG. */ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) val |= ((1<<6)|(1<<5)); wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); } static void bnx2x_update_pfc_brb(struct link_params *params, struct link_vars *vars, struct bnx2x_nig_brb_pfc_port_params *pfc_params) { struct bnx2x *bp = params->bp; int set_pfc = params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED; /* default - pause configuration */ u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE; u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE; u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE; u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE; if (set_pfc && pfc_params) /* First COS */ if (!pfc_params->cos0_pauseable) { pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE; pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE; full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE; full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; } /* * The number of free blocks below which the pause signal to class 0 * of MAC #n is asserted. n=0,1 */ REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th); /* * The number of free blocks above which the pause signal to class 0 * of MAC #n is de-asserted. n=0,1 */ REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th); /* * The number of free blocks below which the full signal to class 0 * of MAC #n is asserted. n=0,1 */ REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th); /* * The number of free blocks above which the full signal to class 0 * of MAC #n is de-asserted. n=0,1 */ REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th); if (set_pfc && pfc_params) { /* Second COS */ if (pfc_params->cos1_pauseable) { pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE; pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE; full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE; full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE; } else { pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE; pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE; full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE; full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; } /* * The number of free blocks below which the pause signal to * class 1 of MAC #n is asserted. n=0,1 */ REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th); /* * The number of free blocks above which the pause signal to * class 1 of MAC #n is de-asserted. n=0,1 */ REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th); /* * The number of free blocks below which the full signal to * class 1 of MAC #n is asserted. n=0,1 */ REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th); /* * The number of free blocks above which the full signal to * class 1 of MAC #n is de-asserted. n=0,1 */ REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th); } } static void bnx2x_update_pfc_nig(struct link_params *params, struct link_vars *vars, struct bnx2x_nig_brb_pfc_port_params *nig_params) { u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0; u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0; u32 pkt_priority_to_cos = 0; u32 val; struct bnx2x *bp = params->bp; int port = params->port; int set_pfc = params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED; DP(NETIF_MSG_LINK, "updating pfc nig parameters\n"); /* * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set * MAC control frames (that are not pause packets) * will be forwarded to the XCM. */ xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK : NIG_REG_LLH0_XCM_MASK); /* * nig params will override non PFC params, since it's possible to * do transition from PFC to SAFC */ if (set_pfc) { pause_enable = 0; llfc_out_en = 0; llfc_enable = 0; ppp_enable = 1; xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); xcm0_out_en = 0; p0_hwpfc_enable = 1; } else { if (nig_params) { llfc_out_en = nig_params->llfc_out_en; llfc_enable = nig_params->llfc_enable; pause_enable = nig_params->pause_enable; } else /*defaul non PFC mode - PAUSE */ pause_enable = 1; xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); xcm0_out_en = 1; } REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 : NIG_REG_LLFC_OUT_EN_0, llfc_out_en); REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 : NIG_REG_LLFC_ENABLE_0, llfc_enable); REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 : NIG_REG_PAUSE_ENABLE_0, pause_enable); REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 : NIG_REG_PPP_ENABLE_0, ppp_enable); REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK : NIG_REG_LLH0_XCM_MASK, xcm_mask); REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7); /* output enable for RX_XCM # IF */ REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en); /* HW PFC TX enable */ REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable); /* 0x2 = BMAC, 0x1= EMAC */ switch (vars->mac_type) { case MAC_TYPE_EMAC: val = 1; break; case MAC_TYPE_BMAC: val = 0; break; default: val = 0; break; } REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val); if (nig_params) { pkt_priority_to_cos = nig_params->pkt_priority_to_cos; REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK : NIG_REG_P0_RX_COS0_PRIORITY_MASK, nig_params->rx_cos0_priority_mask); REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK : NIG_REG_P0_RX_COS1_PRIORITY_MASK, nig_params->rx_cos1_priority_mask); REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 : NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0, nig_params->llfc_high_priority_classes); REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 : NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0, nig_params->llfc_low_priority_classes); } REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS : NIG_REG_P0_PKT_PRIORITY_TO_COS, pkt_priority_to_cos); } void bnx2x_update_pfc(struct link_params *params, struct link_vars *vars, struct bnx2x_nig_brb_pfc_port_params *pfc_params) { /* * The PFC and pause are orthogonal to one another, meaning when * PFC is enabled, the pause are disabled, and when PFC is * disabled, pause are set according to the pause result. */ u32 val; struct bnx2x *bp = params->bp; /* update NIG params */ bnx2x_update_pfc_nig(params, vars, pfc_params); /* update BRB params */ bnx2x_update_pfc_brb(params, vars, pfc_params); if (!vars->link_up) return; val = REG_RD(bp, MISC_REG_RESET_REG_2); if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) == 0) { DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n"); bnx2x_emac_enable(params, vars, 0); return; } DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n"); if (CHIP_IS_E2(bp)) bnx2x_update_pfc_bmac2(params, vars, 0); else bnx2x_update_pfc_bmac1(params, vars); val = 0; if ((params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) || (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) val = 1; REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); } static u8 bnx2x_bmac1_enable(struct link_params *params, struct link_vars *vars, u8 is_lb) { struct bnx2x *bp = params->bp; u8 port = params->port; u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; u32 wb_data[2]; u32 val; DP(NETIF_MSG_LINK, "Enabling BigMAC1\n"); /* XGXS control */ wb_data[0] = 0x3c; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, wb_data, 2); /* tx MAC SA */ wb_data[0] = ((params->mac_addr[2] << 24) | (params->mac_addr[3] << 16) | (params->mac_addr[4] << 8) | params->mac_addr[5]); wb_data[1] = ((params->mac_addr[0] << 8) | params->mac_addr[1]); REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); /* mac control */ val = 0x3; if (is_lb) { val |= 0x4; DP(NETIF_MSG_LINK, "enable bmac loopback\n"); } wb_data[0] = val; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); /* set rx mtu */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); bnx2x_update_pfc_bmac1(params, vars); /* set tx mtu */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); /* set cnt max size */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); /* configure safc */ wb_data[0] = 0x1000200; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, wb_data, 2); /* fix for emulation */ if (CHIP_REV_IS_EMUL(bp)) { wb_data[0] = 0xf000; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, wb_data, 2); } return 0; } static u8 bnx2x_bmac2_enable(struct link_params *params, struct link_vars *vars, u8 is_lb) { struct bnx2x *bp = params->bp; u8 port = params->port; u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; u32 wb_data[2]; DP(NETIF_MSG_LINK, "Enabling BigMAC2\n"); wb_data[0] = 0; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); udelay(30); /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ wb_data[0] = 0x3c; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, wb_data, 2); udelay(30); /* tx MAC SA */ wb_data[0] = ((params->mac_addr[2] << 24) | (params->mac_addr[3] << 16) | (params->mac_addr[4] << 8) | params->mac_addr[5]); wb_data[1] = ((params->mac_addr[0] << 8) | params->mac_addr[1]); REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, wb_data, 2); udelay(30); /* Configure SAFC */ wb_data[0] = 0x1000200; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, wb_data, 2); udelay(30); /* set rx mtu */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); udelay(30); /* set tx mtu */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); udelay(30); /* set cnt max size */ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2; wb_data[1] = 0; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); udelay(30); bnx2x_update_pfc_bmac2(params, vars, is_lb); return 0; } static u8 bnx2x_bmac_enable(struct link_params *params, struct link_vars *vars, u8 is_lb) { u8 rc, port = params->port; struct bnx2x *bp = params->bp; u32 val; /* reset and unreset the BigMac */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); msleep(1); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); /* enable access for bmac registers */ REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); /* Enable BMAC according to BMAC type*/ if (CHIP_IS_E2(bp)) rc = bnx2x_bmac2_enable(params, vars, is_lb); else rc = bnx2x_bmac1_enable(params, vars, is_lb); REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); val = 0; if ((params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) || (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) val = 1; REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); vars->mac_type = MAC_TYPE_BMAC; return rc; } static void bnx2x_update_mng(struct link_params *params, u32 link_status) { struct bnx2x *bp = params->bp; REG_WR(bp, params->shmem_base + offsetof(struct shmem_region, port_mb[params->port].link_status), link_status); } static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port) { u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : NIG_REG_INGRESS_BMAC0_MEM; u32 wb_data[2]; u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); /* Only if the bmac is out of reset */ if (REG_RD(bp, MISC_REG_RESET_REG_2) & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && nig_bmac_enable) { if (CHIP_IS_E2(bp)) { /* Clear Rx Enable bit in BMAC_CONTROL register */ REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); } else { /* Clear Rx Enable bit in BMAC_CONTROL register */ REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); } msleep(1); } } static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, u32 line_speed) { struct bnx2x *bp = params->bp; u8 port = params->port; u32 init_crd, crd; u32 count = 1000; /* disable port */ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); /* wait for init credit */ init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); while ((init_crd != crd) && count) { msleep(5); crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); count--; } crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); if (init_crd != crd) { DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", init_crd, crd); return -EINVAL; } if (flow_ctrl & BNX2X_FLOW_CTRL_RX || line_speed == SPEED_10 || line_speed == SPEED_100 || line_speed == SPEED_1000 || line_speed == SPEED_2500) { REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); /* update threshold */ REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); /* update init credit */ init_crd = 778; /* (800-18-4) */ } else { u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)/16; REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); /* update threshold */ REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); /* update init credit */ switch (line_speed) { case SPEED_10000: init_crd = thresh + 553 - 22; break; case SPEED_12000: init_crd = thresh + 664 - 22; break; case SPEED_13000: init_crd = thresh + 742 - 22; break; case SPEED_16000: init_crd = thresh + 778 - 22; break; default: DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", line_speed); return -EINVAL; } } REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", line_speed, init_crd); /* probe the credit changes */ REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); msleep(5); REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); /* enable port */ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); return 0; } /* * get_emac_base * * @param cb * @param mdc_mdio_access * @param port * * @return u32 * * This function selects the MDC/MDIO access (through emac0 or * emac1) depend on the mdc_mdio_access, port, port swapped. Each * phy has a default access mode, which could also be overridden * by nvram configuration. This parameter, whether this is the * default phy configuration, or the nvram overrun * configuration, is passed here as mdc_mdio_access and selects * the emac_base for the CL45 read/writes operations */ static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 mdc_mdio_access, u8 port) { u32 emac_base = 0; switch (mdc_mdio_access) { case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: break; case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: if (REG_RD(bp, NIG_REG_PORT_SWAP)) emac_base = GRCBASE_EMAC1; else emac_base = GRCBASE_EMAC0; break; case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: if (REG_RD(bp, NIG_REG_PORT_SWAP)) emac_base = GRCBASE_EMAC0; else emac_base = GRCBASE_EMAC1; break; case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; break; case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; break; default: break; } return emac_base; } /******************************************************************/ /* CL45 access functions */ /******************************************************************/ static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, u8 devad, u16 reg, u16 val) { u32 tmp, saved_mode; u8 i, rc = 0; /* * Set clause 45 mode, slow down the MDIO clock to 2.5MHz * (a value of 49==0x31) and make sure that the AUTO poll is off */ saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); udelay(40); /* address */ tmp = ((phy->addr << 21) | (devad << 16) | reg | EMAC_MDIO_COMM_COMMAND_ADDRESS | EMAC_MDIO_COMM_START_BUSY); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); for (i = 0; i < 50; i++) { udelay(10); tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; } } if (tmp & EMAC_MDIO_COMM_START_BUSY) { DP(NETIF_MSG_LINK, "write phy register failed\n"); netdev_err(bp->dev, "MDC/MDIO access timeout\n"); rc = -EFAULT; } else { /* data */ tmp = ((phy->addr << 21) | (devad << 16) | val | EMAC_MDIO_COMM_COMMAND_WRITE_45 | EMAC_MDIO_COMM_START_BUSY); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); for (i = 0; i < 50; i++) { udelay(10); tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; } } if (tmp & EMAC_MDIO_COMM_START_BUSY) { DP(NETIF_MSG_LINK, "write phy register failed\n"); netdev_err(bp->dev, "MDC/MDIO access timeout\n"); rc = -EFAULT; } } /* Restore the saved mode */ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); return rc; } static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, u8 devad, u16 reg, u16 *ret_val) { u32 val, saved_mode; u16 i; u8 rc = 0; /* * Set clause 45 mode, slow down the MDIO clock to 2.5MHz * (a value of 49==0x31) and make sure that the AUTO poll is off */ saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT)); val |= (EMAC_MDIO_MODE_CLAUSE_45 | (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); udelay(40); /* address */ val = ((phy->addr << 21) | (devad << 16) | reg | EMAC_MDIO_COMM_COMMAND_ADDRESS | EMAC_MDIO_COMM_START_BUSY); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); for (i = 0; i < 50; i++) { udelay(10); val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(val & EMAC_MDIO_COMM_START_BUSY)) { udelay(5); break; } } if (val & EMAC_MDIO_COMM_START_BUSY) { DP(NETIF_MSG_LINK, "read phy register failed\n"); netdev_err(bp->dev, "MDC/MDIO access timeout\n"); *ret_val = 0; rc = -EFAULT; } else { /* data */ val = ((phy->addr << 21) | (devad << 16) | EMAC_MDIO_COMM_COMMAND_READ_45 | EMAC_MDIO_COMM_START_BUSY); REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); for (i = 0; i < 50; i++) { udelay(10); val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); if (!(val & EMAC_MDIO_COMM_START_BUSY)) { *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); break; } } if (val & EMAC_MDIO_COMM_START_BUSY) { DP(NETIF_MSG_LINK, "read phy register failed\n"); netdev_err(bp->dev, "MDC/MDIO access timeout\n"); *ret_val = 0; rc = -EFAULT; } } /* Restore the saved mode */ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode); return rc; } u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr, u8 devad, u16 reg, u16 *ret_val) { u8 phy_index; /* * Probe for the phy according to the given phy_addr, and execute * the read request on it */ for (phy_index = 0; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].addr == phy_addr) { return bnx2x_cl45_read(params->bp, ¶ms->phy[phy_index], devad, reg, ret_val); } } return -EINVAL; } u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr, u8 devad, u16 reg, u16 val) { u8 phy_index; /* * Probe for the phy according to the given phy_addr, and execute * the write request on it */ for (phy_index = 0; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].addr == phy_addr) { return bnx2x_cl45_write(params->bp, ¶ms->phy[phy_index], devad, reg, val); } } return -EINVAL; } static void bnx2x_set_aer_mmd_xgxs(struct link_params *params, struct bnx2x_phy *phy) { u32 ser_lane; u16 offset, aer_val; struct bnx2x *bp = params->bp; ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); offset = phy->addr + ser_lane; if (CHIP_IS_E2(bp)) aer_val = 0x3800 + offset - 1; else aer_val = 0x3800 + offset; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, MDIO_AER_BLOCK_AER_REG, aer_val); } static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp, struct bnx2x_phy *phy) { CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, MDIO_AER_BLOCK_AER_REG, 0x3800); } /******************************************************************/ /* Internal phy section */ /******************************************************************/ static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) { u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; /* Set Clause 22 */ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); udelay(500); REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); udelay(500); /* Set Clause 45 */ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); } static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) { u32 val; DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n"); val = SERDES_RESET_BITS << (port*16); /* reset and unreset the SerDes/XGXS */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); udelay(500); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); bnx2x_set_serdes_access(bp, port); REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, DEFAULT_PHY_DEV_ADDR); } static void bnx2x_xgxs_deassert(struct link_params *params) { struct bnx2x *bp = params->bp; u8 port; u32 val; DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n"); port = params->port; val = XGXS_RESET_BITS << (port*16); /* reset and unreset the SerDes/XGXS */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); udelay(500); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, params->phy[INT_PHY].def_md_devad); } void bnx2x_link_status_update(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 link_10g; u8 port = params->port; vars->link_status = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, port_mb[port].link_status)); vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); if (vars->link_up) { DP(NETIF_MSG_LINK, "phy link up\n"); vars->phy_link_up = 1; vars->duplex = DUPLEX_FULL; switch (vars->link_status & LINK_STATUS_SPEED_AND_DUPLEX_MASK) { case LINK_10THD: vars->duplex = DUPLEX_HALF; /* fall thru */ case LINK_10TFD: vars->line_speed = SPEED_10; break; case LINK_100TXHD: vars->duplex = DUPLEX_HALF; /* fall thru */ case LINK_100T4: case LINK_100TXFD: vars->line_speed = SPEED_100; break; case LINK_1000THD: vars->duplex = DUPLEX_HALF; /* fall thru */ case LINK_1000TFD: vars->line_speed = SPEED_1000; break; case LINK_2500THD: vars->duplex = DUPLEX_HALF; /* fall thru */ case LINK_2500TFD: vars->line_speed = SPEED_2500; break; case LINK_10GTFD: vars->line_speed = SPEED_10000; break; case LINK_12GTFD: vars->line_speed = SPEED_12000; break; case LINK_12_5GTFD: vars->line_speed = SPEED_12500; break; case LINK_13GTFD: vars->line_speed = SPEED_13000; break; case LINK_15GTFD: vars->line_speed = SPEED_15000; break; case LINK_16GTFD: vars->line_speed = SPEED_16000; break; default: break; } vars->flow_ctrl = 0; if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; if (!vars->flow_ctrl) vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; if (vars->line_speed && ((vars->line_speed == SPEED_10) || (vars->line_speed == SPEED_100))) { vars->phy_flags |= PHY_SGMII_FLAG; } else { vars->phy_flags &= ~PHY_SGMII_FLAG; } /* anything 10 and over uses the bmac */ link_10g = ((vars->line_speed == SPEED_10000) || (vars->line_speed == SPEED_12000) || (vars->line_speed == SPEED_12500) || (vars->line_speed == SPEED_13000) || (vars->line_speed == SPEED_15000) || (vars->line_speed == SPEED_16000)); if (link_10g) vars->mac_type = MAC_TYPE_BMAC; else vars->mac_type = MAC_TYPE_EMAC; } else { /* link down */ DP(NETIF_MSG_LINK, "phy link down\n"); vars->phy_link_up = 0; vars->line_speed = 0; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; /* indicate no mac active */ vars->mac_type = MAC_TYPE_NONE; } DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n", vars->link_status, vars->phy_link_up); DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", vars->line_speed, vars->duplex, vars->flow_ctrl); } static void bnx2x_set_master_ln(struct link_params *params, struct bnx2x_phy *phy) { struct bnx2x *bp = params->bp; u16 new_master_ln, ser_lane; ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); /* set the master_ln for AN */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, &new_master_ln); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2 , MDIO_XGXS_BLOCK2_TEST_MODE_LANE, (new_master_ln | ser_lane)); } static u8 bnx2x_reset_unicore(struct link_params *params, struct bnx2x_phy *phy, u8 set_serdes) { struct bnx2x *bp = params->bp; u16 mii_control; u16 i; CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); /* reset the unicore */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); if (set_serdes) bnx2x_set_serdes_access(bp, params->port); /* wait for the reset to self clear */ for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { udelay(5); /* the reset erased the previous bank value */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { udelay(5); return 0; } } netdev_err(bp->dev, "Warning: PHY was not initialized," " Port %d\n", params->port); DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); return -EINVAL; } static void bnx2x_set_swap_lanes(struct link_params *params, struct bnx2x_phy *phy) { struct bnx2x *bp = params->bp; /* * Each two bits represents a lane number: * No swap is 0123 => 0x1b no need to enable the swap */ u16 ser_lane, rx_lane_swap, tx_lane_swap; ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); rx_lane_swap = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); tx_lane_swap = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); if (rx_lane_swap != 0x1b) { CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_RX_LN_SWAP, (rx_lane_swap | MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); } else { CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); } if (tx_lane_swap != 0x1b) { CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_TX_LN_SWAP, (tx_lane_swap | MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); } else { CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); } } static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 control2; CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, &control2); if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; else control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", phy->speed_cap_mask, control2); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, control2); if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { DP(NETIF_MSG_LINK, "XGXS\n"); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_10G_PARALLEL_DETECT, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_10G_PARALLEL_DETECT, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, &control2); control2 |= MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_10G_PARALLEL_DETECT, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, control2); /* Disable parallel detection of HiG */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_XGXS_BLOCK2, MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); } } static void bnx2x_set_autoneg(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars, u8 enable_cl73) { struct bnx2x *bp = params->bp; u16 reg_val; /* CL37 Autoneg */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); /* CL37 Autoneg Enabled */ if (vars->line_speed == SPEED_AUTO_NEG) reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; else /* CL37 Autoneg Disabled */ reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); /* Enable/Disable Autodetection */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; if (vars->line_speed == SPEED_AUTO_NEG) reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; else reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); /* Enable TetonII and BAM autoneg */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_BAM_NEXT_PAGE, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, ®_val); if (vars->line_speed == SPEED_AUTO_NEG) { /* Enable BAM aneg Mode and TetonII aneg Mode */ reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); } else { /* TetonII and BAM Autoneg Disabled */ reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); } CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_BAM_NEXT_PAGE, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, reg_val); if (enable_cl73) { /* Enable Cl73 FSM status bits */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_USERB0, MDIO_CL73_USERB0_CL73_UCTRL, 0xe); /* Enable BAM Station Manager*/ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_USERB0, MDIO_CL73_USERB0_CL73_BAM_CTRL1, MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); /* Advertise CL73 link speeds */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_ADV2, ®_val); if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_ADV2, reg_val); /* CL73 Autoneg Enabled */ reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; } else /* CL73 Autoneg Disabled */ reg_val = 0; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); } /* program SerDes, forced speed */ static void bnx2x_program_serdes(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 reg_val; /* program duplex, disable autoneg and sgmii*/ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); if (phy->req_duplex == DUPLEX_FULL) reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); /* * program speed * - needed only if the speed is greater than 1G (2.5G or 10G) */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_MISC1, ®_val); /* clearing the speed value before setting the right speed */ DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); if (!((vars->line_speed == SPEED_1000) || (vars->line_speed == SPEED_100) || (vars->line_speed == SPEED_10))) { reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); if (vars->line_speed == SPEED_10000) reg_val |= MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; if (vars->line_speed == SPEED_13000) reg_val |= MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G; } CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_MISC1, reg_val); } static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 val = 0; /* configure the 48 bits for BAM AN */ /* set extended capabilities */ if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) val |= MDIO_OVER_1G_UP1_2_5G; if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) val |= MDIO_OVER_1G_UP1_10G; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, MDIO_OVER_1G_UP1, val); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, MDIO_OVER_1G_UP3, 0x400); } static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, struct link_params *params, u16 *ieee_fc) { struct bnx2x *bp = params->bp; *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; /* * Resolve pause mode and advertisement. * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ switch (phy->req_flow_ctrl) { case BNX2X_FLOW_CTRL_AUTO: if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; else *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; break; case BNX2X_FLOW_CTRL_TX: *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; break; case BNX2X_FLOW_CTRL_RX: case BNX2X_FLOW_CTRL_BOTH: *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; break; case BNX2X_FLOW_CTRL_NONE: default: *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; break; } DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); } static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy, struct link_params *params, u16 ieee_fc) { struct bnx2x *bp = params->bp; u16 val; /* for AN, we are always publishing full duplex */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_ADV1, &val); val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_ADV1, val); } static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, struct link_params *params, u8 enable_cl73) { struct bnx2x *bp = params->bp; u16 mii_control; DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); /* Enable and restart BAM/CL37 aneg */ if (enable_cl73) { CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, &mii_control); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, (mii_control | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); } else { CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg mii_control before = 0x%x\n", mii_control); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); } } static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 control1; /* in SGMII mode, the unicore is always slave */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &control1); control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; /* set sgmii mode (and not fiber) */ control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, control1); /* if forced speed */ if (!(vars->line_speed == SPEED_AUTO_NEG)) { /* set speed, disable autoneg */ u16 mii_control; CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); switch (vars->line_speed) { case SPEED_100: mii_control |= MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; break; case SPEED_1000: mii_control |= MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; break; case SPEED_10: /* there is nothing to set for 10M */ break; default: /* invalid speed for SGMII */ DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", vars->line_speed); break; } /* setting the full duplex */ if (phy->req_duplex == DUPLEX_FULL) mii_control |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, mii_control); } else { /* AN mode */ /* enable and restart AN */ bnx2x_restart_autoneg(phy, params, 0); } } /* * link management */ static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) { /* LD LP */ switch (pause_result) { /* ASYM P ASYM P */ case 0xb: /* 1 0 1 1 */ vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; break; case 0xe: /* 1 1 1 0 */ vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; break; case 0x5: /* 0 1 0 1 */ case 0x7: /* 0 1 1 1 */ case 0xd: /* 1 1 0 1 */ case 0xf: /* 1 1 1 1 */ vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; break; default: break; } if (pause_result & (1<<0)) vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; if (pause_result & (1<<1)) vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; } static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 pd_10g, status2_1000x; if (phy->req_line_speed != SPEED_AUTO_NEG) return 0; CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_STATUS2, &status2_1000x); CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_STATUS2, &status2_1000x); if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", params->port); return 1; } CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_10G_PARALLEL_DETECT, MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, &pd_10g); if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", params->port); return 1; } return 0; } static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars, u32 gp_status) { struct bnx2x *bp = params->bp; u16 ld_pause; /* local driver */ u16 lp_pause; /* link partner */ u16 pause_result; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; /* resolve from gp_status in case of AN complete and not sgmii */ if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) vars->flow_ctrl = phy->req_flow_ctrl; else if (phy->req_line_speed != SPEED_AUTO_NEG) vars->flow_ctrl = params->req_fc_auto_adv; else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && (!(vars->phy_flags & PHY_SGMII_FLAG))) { if (bnx2x_direct_parallel_detect_used(phy, params)) { vars->flow_ctrl = params->req_fc_auto_adv; return; } if ((gp_status & (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_ADV1, &ld_pause); CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, MDIO_CL73_IEEEB1_AN_LP_ADV1, &lp_pause); pause_result = (ld_pause & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8; pause_result |= (lp_pause & MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10; DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result); } else { CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, &ld_pause); CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, &lp_pause); pause_result = (ld_pause & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; pause_result |= (lp_pause & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result); } bnx2x_pause_resolve(vars, pause_result); } DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); } static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 rx_status, ustat_val, cl37_fsm_recieved; DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); /* Step 1: Make sure signal is detected */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_RX0, MDIO_RX0_RX_STATUS, &rx_status); if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != (MDIO_RX0_RX_STATUS_SIGDET)) { DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." "rx_status(0x80b0) = 0x%x\n", rx_status); CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); return; } /* Step 2: Check CL73 state machine */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_USERB0, MDIO_CL73_USERB0_CL73_USTAT1, &ustat_val); if ((ustat_val & (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " "ustat_val(0x8371) = 0x%x\n", ustat_val); return; } /* * Step 3: Check CL37 Message Pages received to indicate LP * supports only CL37 */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_REMOTE_PHY, MDIO_REMOTE_PHY_MISC_RX_STATUS, &cl37_fsm_recieved); if ((cl37_fsm_recieved & (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) != (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { DP(NETIF_MSG_LINK, "No CL37 FSM were received. " "misc_rx_status(0x8330) = 0x%x\n", cl37_fsm_recieved); return; } /* * The combined cl37/cl73 fsm state information indicating that * we are connected to a device which does not support cl73, but * does support cl37 BAM. In this case we disable cl73 and * restart cl37 auto-neg */ /* Disable CL73 */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 0); /* Restart CL37 autoneg */ bnx2x_restart_autoneg(phy, params, 0); DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); } static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars, u32 gp_status) { if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; if (bnx2x_direct_parallel_detect_used(phy, params)) vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; } static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 new_line_speed, gp_status; u8 rc = 0; /* Read gp_status */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_GP_STATUS, MDIO_GP_STATUS_TOP_AN_STATUS1, &gp_status); if (phy->req_line_speed == SPEED_AUTO_NEG) vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n", gp_status); vars->phy_link_up = 1; vars->link_status |= LINK_STATUS_LINK_UP; if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) vars->duplex = DUPLEX_FULL; else vars->duplex = DUPLEX_HALF; if (SINGLE_MEDIA_DIRECT(params)) { bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); if (phy->req_line_speed == SPEED_AUTO_NEG) bnx2x_xgxs_an_resolve(phy, params, vars, gp_status); } switch (gp_status & GP_STATUS_SPEED_MASK) { case GP_STATUS_10M: new_line_speed = SPEED_10; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_10TFD; else vars->link_status |= LINK_10THD; break; case GP_STATUS_100M: new_line_speed = SPEED_100; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_100TXFD; else vars->link_status |= LINK_100TXHD; break; case GP_STATUS_1G: case GP_STATUS_1G_KX: new_line_speed = SPEED_1000; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_1000TFD; else vars->link_status |= LINK_1000THD; break; case GP_STATUS_2_5G: new_line_speed = SPEED_2500; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_2500TFD; else vars->link_status |= LINK_2500THD; break; case GP_STATUS_5G: case GP_STATUS_6G: DP(NETIF_MSG_LINK, "link speed unsupported gp_status 0x%x\n", gp_status); return -EINVAL; case GP_STATUS_10G_KX4: case GP_STATUS_10G_HIG: case GP_STATUS_10G_CX4: new_line_speed = SPEED_10000; vars->link_status |= LINK_10GTFD; break; case GP_STATUS_12G_HIG: new_line_speed = SPEED_12000; vars->link_status |= LINK_12GTFD; break; case GP_STATUS_12_5G: new_line_speed = SPEED_12500; vars->link_status |= LINK_12_5GTFD; break; case GP_STATUS_13G: new_line_speed = SPEED_13000; vars->link_status |= LINK_13GTFD; break; case GP_STATUS_15G: new_line_speed = SPEED_15000; vars->link_status |= LINK_15GTFD; break; case GP_STATUS_16G: new_line_speed = SPEED_16000; vars->link_status |= LINK_16GTFD; break; default: DP(NETIF_MSG_LINK, "link speed unsupported gp_status 0x%x\n", gp_status); return -EINVAL; } vars->line_speed = new_line_speed; } else { /* link_down */ DP(NETIF_MSG_LINK, "phy link down\n"); vars->phy_link_up = 0; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->mac_type = MAC_TYPE_NONE; if ((phy->req_line_speed == SPEED_AUTO_NEG) && SINGLE_MEDIA_DIRECT(params)) { /* Check signal is detected */ bnx2x_check_fallback_to_cl37(phy, params); } } DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n", gp_status, vars->phy_link_up, vars->line_speed); DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", vars->duplex, vars->flow_ctrl, vars->link_status); return rc; } static void bnx2x_set_gmii_tx_driver(struct link_params *params) { struct bnx2x *bp = params->bp; struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; u16 lp_up2; u16 tx_driver; u16 bank; /* read precomp */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, MDIO_OVER_1G_LP_UP2, &lp_up2); /* bits [10:7] at lp_up2, positioned at [15:12] */ lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); if (lp_up2 == 0) return; for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { CL22_RD_OVER_CL45(bp, phy, bank, MDIO_TX0_TX_DRIVER, &tx_driver); /* replace tx_driver bits [15:12] */ if (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; tx_driver |= lp_up2; CL22_WR_OVER_CL45(bp, phy, bank, MDIO_TX0_TX_DRIVER, tx_driver); } } } static u8 bnx2x_emac_program(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port = params->port; u16 mode = 0; DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_MII_10M | EMAC_MODE_HALF_DUPLEX)); switch (vars->line_speed) { case SPEED_10: mode |= EMAC_MODE_PORT_MII_10M; break; case SPEED_100: mode |= EMAC_MODE_PORT_MII; break; case SPEED_1000: mode |= EMAC_MODE_PORT_GMII; break; case SPEED_2500: mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); break; default: /* 10G not valid for EMAC */ DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", vars->line_speed); return -EINVAL; } if (vars->duplex == DUPLEX_HALF) mode |= EMAC_MODE_HALF_DUPLEX; bnx2x_bits_en(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, mode); bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); return 0; } static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, struct link_params *params) { u16 bank, i = 0; struct bnx2x *bp = params->bp; for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { CL22_WR_OVER_CL45(bp, phy, bank, MDIO_RX0_RX_EQ_BOOST, phy->rx_preemphasis[i]); } for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { CL22_WR_OVER_CL45(bp, phy, bank, MDIO_TX0_TX_DRIVER, phy->tx_preemphasis[i]); } } static void bnx2x_init_internal_phy(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || (params->loopback_mode == LOOPBACK_XGXS)); if (!(vars->phy_flags & PHY_SGMII_FLAG)) { if (SINGLE_MEDIA_DIRECT(params) && (params->feature_config_flags & FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) bnx2x_set_preemphasis(phy, params); /* forced speed requested? */ if (vars->line_speed != SPEED_AUTO_NEG || (SINGLE_MEDIA_DIRECT(params) && params->loopback_mode == LOOPBACK_EXT)) { DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); /* disable autoneg */ bnx2x_set_autoneg(phy, params, vars, 0); /* program speed and duplex */ bnx2x_program_serdes(phy, params, vars); } else { /* AN_mode */ DP(NETIF_MSG_LINK, "not SGMII, AN\n"); /* AN enabled */ bnx2x_set_brcm_cl37_advertisment(phy, params); /* program duplex & pause advertisement (for aneg) */ bnx2x_set_ieee_aneg_advertisment(phy, params, vars->ieee_fc); /* enable autoneg */ bnx2x_set_autoneg(phy, params, vars, enable_cl73); /* enable and restart AN */ bnx2x_restart_autoneg(phy, params, enable_cl73); } } else { /* SGMII mode */ DP(NETIF_MSG_LINK, "SGMII\n"); bnx2x_initialize_sgmii_process(phy, params, vars); } } static u8 bnx2x_init_serdes(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u8 rc; vars->phy_flags |= PHY_SGMII_FLAG; bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); bnx2x_set_aer_mmd_serdes(params->bp, phy); rc = bnx2x_reset_unicore(params, phy, 1); /* reset the SerDes and wait for reset bit return low */ if (rc != 0) return rc; bnx2x_set_aer_mmd_serdes(params->bp, phy); return rc; } static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u8 rc; vars->phy_flags = PHY_XGXS_FLAG; if ((phy->req_line_speed && ((phy->req_line_speed == SPEED_100) || (phy->req_line_speed == SPEED_10))) || (!phy->req_line_speed && (phy->speed_cap_mask >= PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && (phy->speed_cap_mask < PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) )) vars->phy_flags |= PHY_SGMII_FLAG; else vars->phy_flags &= ~PHY_SGMII_FLAG; bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); bnx2x_set_aer_mmd_xgxs(params, phy); bnx2x_set_master_ln(params, phy); rc = bnx2x_reset_unicore(params, phy, 0); /* reset the SerDes and wait for reset bit return low */ if (rc != 0) return rc; bnx2x_set_aer_mmd_xgxs(params, phy); /* setting the masterLn_def again after the reset */ bnx2x_set_master_ln(params, phy); bnx2x_set_swap_lanes(params, phy); return rc; } static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, struct bnx2x_phy *phy, struct link_params *params) { u16 cnt, ctrl; /* Wait for soft reset to get cleared upto 1 sec */ for (cnt = 0; cnt < 1000; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl); if (!(ctrl & (1<<15))) break; msleep(1); } if (cnt == 1000) netdev_err(bp->dev, "Warning: PHY was not initialized," " Port %d\n", params->port); DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); return cnt; } static void bnx2x_link_int_enable(struct link_params *params) { u8 port = params->port; u32 mask; struct bnx2x *bp = params->bp; /* Setting the status to report on link up for either XGXS or SerDes */ if (params->switch_cfg == SWITCH_CFG_10G) { mask = (NIG_MASK_XGXS0_LINK10G | NIG_MASK_XGXS0_LINK_STATUS); DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); if (!(SINGLE_MEDIA_DIRECT(params)) && params->phy[INT_PHY].type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { mask |= NIG_MASK_MI_INT; DP(NETIF_MSG_LINK, "enabled external phy int\n"); } } else { /* SerDes */ mask = NIG_MASK_SERDES0_LINK_STATUS; DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); if (!(SINGLE_MEDIA_DIRECT(params)) && params->phy[INT_PHY].type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { mask |= NIG_MASK_MI_INT; DP(NETIF_MSG_LINK, "enabled external phy int\n"); } } bnx2x_bits_en(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, mask); DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, (params->switch_cfg == SWITCH_CFG_10G), REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); } static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, u8 exp_mi_int) { u32 latch_status = 0; /* * Disable the MI INT ( external phy int ) by writing 1 to the * status register. Link down indication is high-active-signal, * so in this case we need to write the status to clear the XOR */ /* Read Latched signals */ latch_status = REG_RD(bp, NIG_REG_LATCH_STATUS_0 + port*8); DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status); /* Handle only those with latched-signal=up.*/ if (exp_mi_int) bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, NIG_STATUS_EMAC0_MI_INT); else bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, NIG_STATUS_EMAC0_MI_INT); if (latch_status & 1) { /* For all latched-signal=up : Re-Arm Latch signals */ REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, (latch_status & 0xfffe) | (latch_status & 1)); } /* For all latched-signal=up,Write original_signal to status */ } static void bnx2x_link_int_ack(struct link_params *params, struct link_vars *vars, u8 is_10g) { struct bnx2x *bp = params->bp; u8 port = params->port; /* * First reset all status we assume only one line will be * change at a time */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, (NIG_STATUS_XGXS0_LINK10G | NIG_STATUS_XGXS0_LINK_STATUS | NIG_STATUS_SERDES0_LINK_STATUS)); if (vars->phy_link_up) { if (is_10g) { /* * Disable the 10G link interrupt by writing 1 to the * status register */ DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, NIG_STATUS_XGXS0_LINK10G); } else if (params->switch_cfg == SWITCH_CFG_10G) { /* * Disable the link interrupt by writing 1 to the * relevant lane in the status register */ u32 ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n", vars->line_speed); bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, ((1 << ser_lane) << NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); } else { /* SerDes */ DP(NETIF_MSG_LINK, "SerDes phy link up\n"); /* * Disable the link interrupt by writing 1 to the status * register */ bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, NIG_STATUS_SERDES0_LINK_STATUS); } } } static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len) { u8 *str_ptr = str; u32 mask = 0xf0000000; u8 shift = 8*4; u8 digit; u8 remove_leading_zeros = 1; if (*len < 10) { /* Need more than 10chars for this format */ *str_ptr = '\0'; (*len)--; return -EINVAL; } while (shift > 0) { shift -= 4; digit = ((num & mask) >> shift); if (digit == 0 && remove_leading_zeros) { mask = mask >> 4; continue; } else if (digit < 0xa) *str_ptr = digit + '0'; else *str_ptr = digit - 0xa + 'a'; remove_leading_zeros = 0; str_ptr++; (*len)--; mask = mask >> 4; if (shift == 4*4) { *str_ptr = '.'; str_ptr++; (*len)--; remove_leading_zeros = 1; } } return 0; } static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) { str[0] = '\0'; (*len)--; return 0; } u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, u8 *version, u16 len) { struct bnx2x *bp; u32 spirom_ver = 0; u8 status = 0; u8 *ver_p = version; u16 remain_len = len; if (version == NULL || params == NULL) return -EINVAL; bp = params->bp; /* Extract first external phy*/ version[0] = '\0'; spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); if (params->phy[EXT_PHY1].format_fw_ver) { status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, ver_p, &remain_len); ver_p += (len - remain_len); } if ((params->num_phys == MAX_PHYS) && (params->phy[EXT_PHY2].ver_addr != 0)) { spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr); if (params->phy[EXT_PHY2].format_fw_ver) { *ver_p = '/'; ver_p++; remain_len--; status |= params->phy[EXT_PHY2].format_fw_ver( spirom_ver, ver_p, &remain_len); ver_p = version + (len - remain_len); } } *ver_p = '\0'; return status; } static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, struct link_params *params) { u8 port = params->port; struct bnx2x *bp = params->bp; if (phy->req_line_speed != SPEED_1000) { u32 md_devad; DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); /* change the uni_phy_addr in the nig */ md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18)); REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); bnx2x_cl45_write(bp, phy, 5, (MDIO_REG_BANK_AER_BLOCK + (MDIO_AER_BLOCK_AER_REG & 0xf)), 0x2800); bnx2x_cl45_write(bp, phy, 5, (MDIO_REG_BANK_CL73_IEEEB0 + (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 0x6041); msleep(200); /* set aer mmd back */ bnx2x_set_aer_mmd_xgxs(params, phy); /* and md_devad */ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad); } else { u16 mii_ctrl; DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); bnx2x_cl45_read(bp, phy, 5, (MDIO_REG_BANK_COMBO_IEEE0 + (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), &mii_ctrl); bnx2x_cl45_write(bp, phy, 5, (MDIO_REG_BANK_COMBO_IEEE0 + (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), mii_ctrl | MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); } } u8 bnx2x_set_led(struct link_params *params, struct link_vars *vars, u8 mode, u32 speed) { u8 port = params->port; u16 hw_led_mode = params->hw_led_mode; u8 rc = 0, phy_idx; u32 tmp; u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", speed, hw_led_mode); /* In case */ for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) { if (params->phy[phy_idx].set_link_led) { params->phy[phy_idx].set_link_led( ¶ms->phy[phy_idx], params, mode); } } switch (mode) { case LED_MODE_FRONT_PANEL_OFF: case LED_MODE_OFF: REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1); tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE)); break; case LED_MODE_OPER: /* * For all other phys, OPER mode is same as ON, so in case * link is down, do nothing */ if (!vars->link_up) break; case LED_MODE_ON: if (params->phy[EXT_PHY1].type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 && CHIP_IS_E2(bp) && params->num_phys == 2) { /* * This is a work-around for E2+8727 Configurations */ if (mode == LED_MODE_ON || speed == SPEED_10000){ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE)); return rc; } } else if (SINGLE_MEDIA_DIRECT(params)) { /* * This is a work-around for HW issue found when link * is up in CL73 */ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); } else { REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode); } REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); /* Set blinking rate to ~15.9Hz */ REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, LED_BLINK_RATE_VAL); REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE))); if (CHIP_IS_E1(bp) && ((speed == SPEED_2500) || (speed == SPEED_1000) || (speed == SPEED_100) || (speed == SPEED_10))) { /* * On Everest 1 Ax chip versions for speeds less than * 10G LED scheme is different */ REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, 0); REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + port*4, 1); } break; default: rc = -EINVAL; DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", mode); break; } return rc; } /* * This function comes to reflect the actual link state read DIRECTLY from the * HW */ u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars, u8 is_serdes) { struct bnx2x *bp = params->bp; u16 gp_status = 0, phy_index = 0; u8 ext_phy_link_up = 0, serdes_phy_type; struct link_vars temp_vars; CL22_RD_OVER_CL45(bp, ¶ms->phy[INT_PHY], MDIO_REG_BANK_GP_STATUS, MDIO_GP_STATUS_TOP_AN_STATUS1, &gp_status); /* link is up only if both local phy and external phy are up */ if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) return -ESRCH; switch (params->num_phys) { case 1: /* No external PHY */ return 0; case 2: ext_phy_link_up = params->phy[EXT_PHY1].read_status( ¶ms->phy[EXT_PHY1], params, &temp_vars); break; case 3: /* Dual Media */ for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { serdes_phy_type = ((params->phy[phy_index].media_type == ETH_PHY_SFP_FIBER) || (params->phy[phy_index].media_type == ETH_PHY_XFP_FIBER)); if (is_serdes != serdes_phy_type) continue; if (params->phy[phy_index].read_status) { ext_phy_link_up |= params->phy[phy_index].read_status( ¶ms->phy[phy_index], params, &temp_vars); } } break; } if (ext_phy_link_up) return 0; return -ESRCH; } static u8 bnx2x_link_initialize(struct link_params *params, struct link_vars *vars) { u8 rc = 0; u8 phy_index, non_ext_phy; struct bnx2x *bp = params->bp; /* * In case of external phy existence, the line speed would be the * line speed linked up by the external phy. In case it is direct * only, then the line_speed during initialization will be * equal to the req_line_speed */ vars->line_speed = params->phy[INT_PHY].req_line_speed; /* * Initialize the internal phy in case this is a direct board * (no external phys), or this board has external phy which requires * to first. */ if (params->phy[INT_PHY].config_init) params->phy[INT_PHY].config_init( ¶ms->phy[INT_PHY], params, vars); /* init ext phy and enable link state int */ non_ext_phy = (SINGLE_MEDIA_DIRECT(params) || (params->loopback_mode == LOOPBACK_XGXS)); if (non_ext_phy || (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) || (params->loopback_mode == LOOPBACK_EXT_PHY)) { struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; if (vars->line_speed == SPEED_AUTO_NEG) bnx2x_set_parallel_detection(phy, params); bnx2x_init_internal_phy(phy, params, vars); } /* Init external phy*/ if (!non_ext_phy) for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { /* * No need to initialize second phy in case of first * phy only selection. In case of second phy, we do * need to initialize the first phy, since they are * connected. */ if (phy_index == EXT_PHY2 && (bnx2x_phy_selection(params) == PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { DP(NETIF_MSG_LINK, "Ignoring second phy\n"); continue; } params->phy[phy_index].config_init( ¶ms->phy[phy_index], params, vars); } /* Reset the interrupt indication after phy was initialized */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + params->port*4, (NIG_STATUS_XGXS0_LINK10G | NIG_STATUS_XGXS0_LINK_STATUS | NIG_STATUS_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); return rc; } static void bnx2x_int_link_reset(struct bnx2x_phy *phy, struct link_params *params) { /* reset the SerDes/XGXS */ REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, (0x1ff << (params->port*16))); } static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u8 gpio_port; /* HW reset */ if (CHIP_IS_E2(bp)) gpio_port = BP_PATH(bp); else gpio_port = params->port; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, gpio_port); bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_LOW, gpio_port); DP(NETIF_MSG_LINK, "reset external PHY\n"); } static u8 bnx2x_update_link_down(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port = params->port; DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); bnx2x_set_led(params, vars, LED_MODE_OFF, 0); /* indicate no mac active */ vars->mac_type = MAC_TYPE_NONE; /* update shared memory */ vars->link_status = 0; vars->line_speed = 0; bnx2x_update_mng(params, vars->link_status); /* activate nig drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); /* disable emac */ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); msleep(10); /* reset BigMac */ bnx2x_bmac_rx_disable(bp, params->port); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); return 0; } static u8 bnx2x_update_link_up(struct link_params *params, struct link_vars *vars, u8 link_10g) { struct bnx2x *bp = params->bp; u8 port = params->port; u8 rc = 0; vars->link_status |= LINK_STATUS_LINK_UP; if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) vars->link_status |= LINK_STATUS_TX_FLOW_CONTROL_ENABLED; if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) vars->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED; if (link_10g) { bnx2x_bmac_enable(params, vars, 0); bnx2x_set_led(params, vars, LED_MODE_OPER, SPEED_10000); } else { rc = bnx2x_emac_program(params, vars); bnx2x_emac_enable(params, vars, 0); /* AN complete? */ if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) && (!(vars->phy_flags & PHY_SGMII_FLAG)) && SINGLE_MEDIA_DIRECT(params)) bnx2x_set_gmii_tx_driver(params); } /* PBF - link up */ if (!(CHIP_IS_E2(bp))) rc |= bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed); /* disable drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); /* update shared memory */ bnx2x_update_mng(params, vars->link_status); msleep(20); return rc; } /* * The bnx2x_link_update function should be called upon link * interrupt. * Link is considered up as follows: * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs * to be up * - SINGLE_MEDIA - The link between the 577xx and the external * phy (XGXS) need to up as well as the external link of the * phy (PHY_EXT1) * - DUAL_MEDIA - The link between the 577xx and the first * external phy needs to be up, and at least one of the 2 * external phy link must be up. */ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; struct link_vars phy_vars[MAX_PHYS]; u8 port = params->port; u8 link_10g, phy_index; u8 ext_phy_link_up = 0, cur_link_up, rc = 0; u8 is_mi_int = 0; u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; u8 active_external_phy = INT_PHY; vars->link_status = 0; for (phy_index = INT_PHY; phy_index < params->num_phys; phy_index++) { phy_vars[phy_index].flow_ctrl = 0; phy_vars[phy_index].link_status = 0; phy_vars[phy_index].line_speed = 0; phy_vars[phy_index].duplex = DUPLEX_FULL; phy_vars[phy_index].phy_link_up = 0; phy_vars[phy_index].link_up = 0; } DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", port, (vars->phy_flags & PHY_XGXS_FLAG), REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18) > 0); DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), is_mi_int, REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); /* disable emac */ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); /* * Step 1: * Check external link change only for external phys, and apply * priority selection between them in case the link on both phys * is up. Note that the instead of the common vars, a temporary * vars argument is used since each phy may have different link/ * speed/duplex result */ for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { struct bnx2x_phy *phy = ¶ms->phy[phy_index]; if (!phy->read_status) continue; /* Read link status and params of this ext phy */ cur_link_up = phy->read_status(phy, params, &phy_vars[phy_index]); if (cur_link_up) { DP(NETIF_MSG_LINK, "phy in index %d link is up\n", phy_index); } else { DP(NETIF_MSG_LINK, "phy in index %d link is down\n", phy_index); continue; } if (!ext_phy_link_up) { ext_phy_link_up = 1; active_external_phy = phy_index; } else { switch (bnx2x_phy_selection(params)) { case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: /* * In this option, the first PHY makes sure to pass the * traffic through itself only. * Its not clear how to reset the link on the second phy */ active_external_phy = EXT_PHY1; break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: /* * In this option, the first PHY makes sure to pass the * traffic through the second PHY. */ active_external_phy = EXT_PHY2; break; default: /* * Link indication on both PHYs with the following cases * is invalid: * - FIRST_PHY means that second phy wasn't initialized, * hence its link is expected to be down * - SECOND_PHY means that first phy should not be able * to link up by itself (using configuration) * - DEFAULT should be overriden during initialiazation */ DP(NETIF_MSG_LINK, "Invalid link indication" "mpc=0x%x. DISABLING LINK !!!\n", params->multi_phy_config); ext_phy_link_up = 0; break; } } } prev_line_speed = vars->line_speed; /* * Step 2: * Read the status of the internal phy. In case of * DIRECT_SINGLE_MEDIA board, this link is the external link, * otherwise this is the link between the 577xx and the first * external phy */ if (params->phy[INT_PHY].read_status) params->phy[INT_PHY].read_status( ¶ms->phy[INT_PHY], params, vars); /* * The INT_PHY flow control reside in the vars. This include the * case where the speed or flow control are not set to AUTO. * Otherwise, the active external phy flow control result is set * to the vars. The ext_phy_line_speed is needed to check if the * speed is different between the internal phy and external phy. * This case may be result of intermediate link speed change. */ if (active_external_phy > INT_PHY) { vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; /* * Link speed is taken from the XGXS. AN and FC result from * the external phy. */ vars->link_status |= phy_vars[active_external_phy].link_status; /* * if active_external_phy is first PHY and link is up - disable * disable TX on second external PHY */ if (active_external_phy == EXT_PHY1) { if (params->phy[EXT_PHY2].phy_specific_func) { DP(NETIF_MSG_LINK, "Disabling TX on" " EXT_PHY2\n"); params->phy[EXT_PHY2].phy_specific_func( ¶ms->phy[EXT_PHY2], params, DISABLE_TX); } } ext_phy_line_speed = phy_vars[active_external_phy].line_speed; vars->duplex = phy_vars[active_external_phy].duplex; if (params->phy[active_external_phy].supported & SUPPORTED_FIBRE) vars->link_status |= LINK_STATUS_SERDES_LINK; DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", active_external_phy); } for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].flags & FLAGS_REARM_LATCH_SIGNAL) { bnx2x_rearm_latch_signal(bp, port, phy_index == active_external_phy); break; } } DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," " ext_phy_line_speed = %d\n", vars->flow_ctrl, vars->link_status, ext_phy_line_speed); /* * Upon link speed change set the NIG into drain mode. Comes to * deals with possible FIFO glitch due to clk change when speed * is decreased without link down indicator */ if (vars->phy_link_up) { if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && (ext_phy_line_speed != vars->line_speed)) { DP(NETIF_MSG_LINK, "Internal link speed %d is" " different than the external" " link speed %d\n", vars->line_speed, ext_phy_line_speed); vars->phy_link_up = 0; } else if (prev_line_speed != vars->line_speed) { REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); msleep(1); } } /* anything 10 and over uses the bmac */ link_10g = ((vars->line_speed == SPEED_10000) || (vars->line_speed == SPEED_12000) || (vars->line_speed == SPEED_12500) || (vars->line_speed == SPEED_13000) || (vars->line_speed == SPEED_15000) || (vars->line_speed == SPEED_16000)); bnx2x_link_int_ack(params, vars, link_10g); /* * In case external phy link is up, and internal link is down * (not initialized yet probably after link initialization, it * needs to be initialized. * Note that after link down-up as result of cable plug, the xgxs * link would probably become up again without the need * initialize it */ if (!(SINGLE_MEDIA_DIRECT(params))) { DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," " init_preceding = %d\n", ext_phy_link_up, vars->phy_link_up, params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST); if (!(params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) && ext_phy_link_up && !vars->phy_link_up) { vars->line_speed = ext_phy_line_speed; if (vars->line_speed < SPEED_1000) vars->phy_flags |= PHY_SGMII_FLAG; else vars->phy_flags &= ~PHY_SGMII_FLAG; bnx2x_init_internal_phy(¶ms->phy[INT_PHY], params, vars); } } /* * Link is up only if both local phy and external phy (in case of * non-direct board) are up */ vars->link_up = (vars->phy_link_up && (ext_phy_link_up || SINGLE_MEDIA_DIRECT(params))); if (vars->link_up) rc = bnx2x_update_link_up(params, vars, link_10g); else rc = bnx2x_update_link_down(params, vars); return rc; } /*****************************************************************************/ /* External Phy section */ /*****************************************************************************/ void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) { bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, port); msleep(1); bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); } static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, u32 spirom_ver, u32 ver_addr) { DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", (u16)(spirom_ver>>16), (u16)spirom_ver, port); if (ver_addr) REG_WR(bp, ver_addr, spirom_ver); } static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, struct bnx2x_phy *phy, u8 port) { u16 fw_ver1, fw_ver2; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &fw_ver1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, &fw_ver2); bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); } static void bnx2x_ext_phy_set_pause(struct link_params *params, struct bnx2x_phy *phy, struct link_vars *vars) { u16 val; struct bnx2x *bp = params->bp; /* read modify write pause advertizing */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; } if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; } DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); } static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 ld_pause; /* local */ u16 lp_pause; /* link partner */ u16 pause_result; u8 ret = 0; /* read twice */ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) vars->flow_ctrl = phy->req_flow_ctrl; else if (phy->req_line_speed != SPEED_AUTO_NEG) vars->flow_ctrl = params->req_fc_auto_adv; else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { ret = 1; bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &ld_pause); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); pause_result = (ld_pause & MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; pause_result |= (lp_pause & MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result); bnx2x_pause_resolve(vars, pause_result); } return ret; } static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp, struct bnx2x_phy *phy, struct link_vars *vars) { u16 val; bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_STATUS, &val); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_STATUS, &val); if (val & (1<<5)) vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; if ((val & (1<<0)) == 0) vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; } /******************************************************************/ /* common BCM8073/BCM8727 PHY SECTION */ /******************************************************************/ static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; if (phy->req_line_speed == SPEED_10 || phy->req_line_speed == SPEED_100) { vars->flow_ctrl = phy->req_flow_ctrl; return; } if (bnx2x_ext_phy_resolve_fc(phy, params, vars) && (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) { u16 pause_result; u16 ld_pause; /* local */ u16 lp_pause; /* link partner */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &ld_pause); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, &lp_pause); pause_result = (ld_pause & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; pause_result |= (lp_pause & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; bnx2x_pause_resolve(vars, pause_result); DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", pause_result); } } static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, struct bnx2x_phy *phy, u8 port) { u32 count = 0; u16 fw_ver1, fw_msgout; u8 rc = 0; /* Boot port from external ROM */ /* EDC grst */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); /* ucode reboot and rst */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x008c); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL1, 0x0001); /* Reset internal microprocessor */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); /* Release srst bit */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); /* Delay 100ms per the PHY specifications */ msleep(100); /* 8073 sometimes taking longer to download */ do { count++; if (count > 300) { DP(NETIF_MSG_LINK, "bnx2x_8073_8727_external_rom_boot port %x:" "Download failed. fw version = 0x%x\n", port, fw_ver1); rc = -EINVAL; break; } bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &fw_ver1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); msleep(1); } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || ((fw_msgout & 0xff) != 0x03 && (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); /* Clear ser_boot_ctl bit */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL1, 0x0000); bnx2x_save_bcm_spirom_ver(bp, phy, port); DP(NETIF_MSG_LINK, "bnx2x_8073_8727_external_rom_boot port %x:" "Download complete. fw version = 0x%x\n", port, fw_ver1); return rc; } /******************************************************************/ /* BCM8073 PHY SECTION */ /******************************************************************/ static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) { /* This is only required for 8073A1, version 102 only */ u16 val; /* Read 8073 HW revision*/ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val); if (val != 1) { /* No need to workaround in 8073 A1 */ return 0; } bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, &val); /* SNR should be applied only for version 0x102 */ if (val != 0x102) return 0; return 1; } static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) { u16 val, cnt, cnt1 ; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val); if (val > 0) { /* No need to workaround in 8073 A1 */ return 0; } /* XAUI workaround in 8073 A0: */ /* * After loading the boot ROM and restarting Autoneg, poll * Dev1, Reg $C820: */ for (cnt = 0; cnt < 1000; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &val); /* * If bit [14] = 0 or bit [13] = 0, continue on with * system initialization (XAUI work-around not required, as * these bits indicate 2.5G or 1G link up). */ if (!(val & (1<<14)) || !(val & (1<<13))) { DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); return 0; } else if (!(val & (1<<15))) { DP(NETIF_MSG_LINK, "bit 15 went off\n"); /* * If bit 15 is 0, then poll Dev1, Reg $C841 until it's * MSB (bit15) goes to 1 (indicating that the XAUI * workaround has completed), then continue on with * system initialization. */ for (cnt1 = 0; cnt1 < 1000; cnt1++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_XAUI_WA, &val); if (val & (1<<15)) { DP(NETIF_MSG_LINK, "XAUI workaround has completed\n"); return 0; } msleep(3); } break; } msleep(3); } DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); return -EINVAL; } static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) { /* Force KR or KX */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); } static void bnx2x_8073_set_pause_cl37(struct link_params *params, struct bnx2x_phy *phy, struct link_vars *vars) { u16 cl37_val; struct bnx2x *bp = params->bp; bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; } if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; } if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; } DP(NETIF_MSG_LINK, "Ext phy AN advertize cl37 0x%x\n", cl37_val); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); msleep(500); } static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 val = 0, tmp1; u8 gpio_port; DP(NETIF_MSG_LINK, "Init 8073\n"); if (CHIP_IS_E2(bp)) gpio_port = BP_PATH(bp); else gpio_port = params->port; /* Restore normal power mode*/ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); /* enable LASI */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2)); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004); bnx2x_8073_set_pause_cl37(params, phy, vars); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); /* Swap polarity if required - Must be done only in non-1G mode */ if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { /* Configure the 8073 to swap _P and _N of the KR lines */ DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n"); /* 10G Rx/Tx and 1G Tx signal polarity swap */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, (val | (3<<9))); } /* Enable CL37 BAM */ if (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_hw_config[params->port].default_cfg)) & PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_BAM, &val); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_BAM, val | 1); DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); } if (params->loopback_mode == LOOPBACK_EXT) { bnx2x_807x_force_10G(bp, phy); DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); return 0; } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); } if (phy->req_line_speed != SPEED_AUTO_NEG) { if (phy->req_line_speed == SPEED_10000) { val = (1<<7); } else if (phy->req_line_speed == SPEED_2500) { val = (1<<5); /* * Note that 2.5G works only when used with 1G * advertisment */ } else val = (1<<5); } else { val = 0; if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) val |= (1<<7); /* Note that 2.5G works only when used with 1G advertisment */ if (phy->speed_cap_mask & (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) val |= (1<<5); DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); } bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && (phy->req_line_speed == SPEED_AUTO_NEG)) || (phy->req_line_speed == SPEED_2500)) { u16 phy_ver; /* Allow 2.5G for A1 and above */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &phy_ver); DP(NETIF_MSG_LINK, "Add 2.5G\n"); if (phy_ver > 0) tmp1 |= 1; else tmp1 &= 0xfffe; } else { DP(NETIF_MSG_LINK, "Disable 2.5G\n"); tmp1 &= 0xfffe; } bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); /* Add support for CL37 (passive mode) II */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? 0x20 : 0x40))); /* Add support for CL37 (passive mode) III */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); /* * The SNR will improve about 2db by changing BW and FEE main * tap. Rest commands are executed after link is up * Change FFE main cursor to 5 in EDC register */ if (bnx2x_8073_is_snr_needed(bp, phy)) bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, 0xFB0C); /* Enable FEC (Forware Error Correction) Request in the AN */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); tmp1 |= (1<<15); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); bnx2x_ext_phy_set_pause(params, phy, vars); /* Restart autoneg */ msleep(500); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); return 0; } static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 link_up = 0; u16 val1, val2; u16 link_status = 0; u16 an1000_status = 0; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); /* clear the interrupt LASI status register */ bnx2x_cl45_read(bp, phy, MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); /* Clear MSG-OUT */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); /* Check the LASI */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); /* Check the link status */ bnx2x_cl45_read(bp, phy, MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); link_up = ((val1 & 4) == 4); DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); if (link_up && ((phy->req_line_speed != SPEED_10000))) { if (bnx2x_8073_xaui_wa(bp, phy) != 0) return 0; } bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); /* Check the link status on 1.1.2 */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," "an_link_status=0x%x\n", val2, val1, an1000_status); link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { /* * The SNR will improve about 2dbby changing the BW and FEE main * tap. The 1st write to change FFE main tap is set before * restart AN. Change PLL Bandwidth in EDC register */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 0x26BC); /* Change CDR Bandwidth in EDC register */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, 0x0333); } bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { link_up = 1; vars->line_speed = SPEED_10000; DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", params->port); } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { link_up = 1; vars->line_speed = SPEED_2500; DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", params->port); } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { link_up = 1; vars->line_speed = SPEED_1000; DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", params->port); } else { link_up = 0; DP(NETIF_MSG_LINK, "port %x: External link is down\n", params->port); } if (link_up) { /* Swap polarity if required */ if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { /* Configure the 8073 to swap P and N of the KR lines */ bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); /* * Set bit 3 to invert Rx in 1G mode and clear this bit * when it`s in 10G mode. */ if (vars->line_speed == SPEED_1000) { DP(NETIF_MSG_LINK, "Swapping 1G polarity for" "the 8073\n"); val1 |= (1<<3); } else val1 &= ~(1<<3); bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_REG_8073_RX_CTRL_PCIE, val1); } bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); bnx2x_8073_resolve_fc(phy, params, vars); vars->duplex = DUPLEX_FULL; } return link_up; } static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u8 gpio_port; if (CHIP_IS_E2(bp)) gpio_port = BP_PATH(bp); else gpio_port = params->port; DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", gpio_port); bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_LOW, gpio_port); } /******************************************************************/ /* BCM8705 PHY SECTION */ /******************************************************************/ static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "init 8705\n"); /* Restore normal power mode*/ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); /* HW reset */ bnx2x_ext_phy_hw_reset(bp, params->port); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); bnx2x_wait_reset_complete(bp, phy, params); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); bnx2x_cl45_write(bp, phy, MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); /* BCM8705 doesn't have microcode, hence the 0 */ bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); return 0; } static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u8 link_up = 0; u16 val1, rx_sd; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "read status 8705\n"); bnx2x_cl45_read(bp, phy, MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); bnx2x_cl45_read(bp, phy, MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xc809, &val1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xc809, &val1); DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); if (link_up) { vars->line_speed = SPEED_10000; bnx2x_ext_phy_resolve_fc(phy, params, vars); } return link_up; } /******************************************************************/ /* SFP+ module Section */ /******************************************************************/ static u8 bnx2x_get_gpio_port(struct link_params *params) { u8 gpio_port; u32 swap_val, swap_override; struct bnx2x *bp = params->bp; if (CHIP_IS_E2(bp)) gpio_port = BP_PATH(bp); else gpio_port = params->port; swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); return gpio_port ^ (swap_val && swap_override); } static void bnx2x_sfp_set_transmitter(struct link_params *params, struct bnx2x_phy *phy, u8 tx_en) { u16 val; u8 port = params->port; struct bnx2x *bp = params->bp; u32 tx_en_mode; /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ tx_en_mode = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].sfp_ctrl)) & PORT_HW_CFG_TX_LASER_MASK; DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x " "mode = %x\n", tx_en, port, tx_en_mode); switch (tx_en_mode) { case PORT_HW_CFG_TX_LASER_MDIO: bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val); if (tx_en) val &= ~(1<<15); else val |= (1<<15); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, val); break; case PORT_HW_CFG_TX_LASER_GPIO0: case PORT_HW_CFG_TX_LASER_GPIO1: case PORT_HW_CFG_TX_LASER_GPIO2: case PORT_HW_CFG_TX_LASER_GPIO3: { u16 gpio_pin; u8 gpio_port, gpio_mode; if (tx_en) gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; else gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; gpio_port = bnx2x_get_gpio_port(params); bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); break; } default: DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); break; } } static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, u8 *o_buf) { struct bnx2x *bp = params->bp; u16 val = 0; u16 i; if (byte_cnt > 16) { DP(NETIF_MSG_LINK, "Reading from eeprom is" " is limited to 0xf\n"); return -EINVAL; } /* Set the read command byte count */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, (byte_cnt | 0xa000)); /* Set the read command address */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, addr); /* Activate read command */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 0x2c0f); /* Wait up to 500us for command complete status */ for (i = 0; i < 100; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) break; udelay(5); } if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { DP(NETIF_MSG_LINK, "Got bad status 0x%x when reading from SFP+ EEPROM\n", (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); return -EINVAL; } /* Read the buffer */ for (i = 0; i < byte_cnt; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); } for (i = 0; i < 100; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) return 0; msleep(1); } return -EINVAL; } static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, u8 *o_buf) { struct bnx2x *bp = params->bp; u16 val, i; if (byte_cnt > 16) { DP(NETIF_MSG_LINK, "Reading from eeprom is" " is limited to 0xf\n"); return -EINVAL; } /* Need to read from 1.8000 to clear it */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); /* Set the read command byte count */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, ((byte_cnt < 2) ? 2 : byte_cnt)); /* Set the read command address */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, addr); /* Set the destination address */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0x8004, MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); /* Activate read command */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 0x8002); /* * Wait appropriate time for two-wire command to finish before * polling the status register */ msleep(1); /* Wait up to 500us for command complete status */ for (i = 0; i < 100; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) break; udelay(5); } if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { DP(NETIF_MSG_LINK, "Got bad status 0x%x when reading from SFP+ EEPROM\n", (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); return -EFAULT; } /* Read the buffer */ for (i = 0; i < byte_cnt; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); } for (i = 0; i < 100; i++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) return 0; msleep(1); } return -EINVAL; } u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, u8 *o_buf) { if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr, byte_cnt, o_buf); else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr, byte_cnt, o_buf); return -EINVAL; } static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy, struct link_params *params, u16 *edc_mode) { struct bnx2x *bp = params->bp; u8 val, check_limiting_mode = 0; *edc_mode = EDC_MODE_LIMITING; /* First check for copper cable */ if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_CON_TYPE_ADDR, 1, &val) != 0) { DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); return -EINVAL; } switch (val) { case SFP_EEPROM_CON_TYPE_VAL_COPPER: { u8 copper_module_type; /* * Check if its active cable (includes SFP+ module) * of passive cable */ if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_FC_TX_TECH_ADDR, 1, &copper_module_type) != 0) { DP(NETIF_MSG_LINK, "Failed to read copper-cable-type" " from SFP+ EEPROM\n"); return -EINVAL; } if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); check_limiting_mode = 1; } else if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { DP(NETIF_MSG_LINK, "Passive Copper" " cable detected\n"); *edc_mode = EDC_MODE_PASSIVE_DAC; } else { DP(NETIF_MSG_LINK, "Unknown copper-cable-" "type 0x%x !!!\n", copper_module_type); return -EINVAL; } break; } case SFP_EEPROM_CON_TYPE_VAL_LC: DP(NETIF_MSG_LINK, "Optic module detected\n"); check_limiting_mode = 1; break; default: DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", val); return -EINVAL; } if (check_limiting_mode) { u8 options[SFP_EEPROM_OPTIONS_SIZE]; if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_OPTIONS_ADDR, SFP_EEPROM_OPTIONS_SIZE, options) != 0) { DP(NETIF_MSG_LINK, "Failed to read Option" " field from module EEPROM\n"); return -EINVAL; } if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) *edc_mode = EDC_MODE_LINEAR; else *edc_mode = EDC_MODE_LIMITING; } DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); return 0; } /* * This function read the relevant field from the module (SFP+), and verify it * is compliant with this board */ static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u32 val, cmd; u32 fw_resp, fw_cmd_param; char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; phy->flags &= ~FLAGS_SFP_NOT_APPROVED; val = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port].config)); if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); return 0; } if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { /* Use specific phy request */ cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; } else if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { /* Use first phy request only in case of non-dual media*/ if (DUAL_MEDIA(params)) { DP(NETIF_MSG_LINK, "FW does not support OPT MDL " "verification\n"); return -EINVAL; } cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; } else { /* No support in OPT MDL detection */ DP(NETIF_MSG_LINK, "FW does not support OPT MDL " "verification\n"); return -EINVAL; } fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param); if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { DP(NETIF_MSG_LINK, "Approved module\n"); return 0; } /* format the warning message */ if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_VENDOR_NAME_ADDR, SFP_EEPROM_VENDOR_NAME_SIZE, (u8 *)vendor_name)) vendor_name[0] = '\0'; else vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_PART_NO_ADDR, SFP_EEPROM_PART_NO_SIZE, (u8 *)vendor_pn)) vendor_pn[0] = '\0'; else vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," " Port %d from %s part number %s\n", params->port, vendor_name, vendor_pn); phy->flags |= FLAGS_SFP_NOT_APPROVED; return -EINVAL; } static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, struct link_params *params) { u8 val; struct bnx2x *bp = params->bp; u16 timeout; /* * Initialization time after hot-plug may take up to 300ms for * some phys type ( e.g. JDSU ) */ for (timeout = 0; timeout < 60; timeout++) { if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) == 0) { DP(NETIF_MSG_LINK, "SFP+ module initialization " "took %d ms\n", timeout * 5); return 0; } msleep(5); } return -EINVAL; } static void bnx2x_8727_power_module(struct bnx2x *bp, struct bnx2x_phy *phy, u8 is_power_up) { /* Make sure GPIOs are not using for LED mode */ u16 val; /* * In the GPIO register, bit 4 is use to determine if the GPIOs are * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for * output * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1 * where the 1st bit is the over-current(only input), and 2nd bit is * for power( only output ) * * In case of NOC feature is disabled and power is up, set GPIO control * as input to enable listening of over-current indication */ if (phy->flags & FLAGS_NOC) return; if (!(phy->flags & FLAGS_NOC) && is_power_up) val = (1<<4); else /* * Set GPIO control to OUTPUT, and set the power bit * to according to the is_power_up */ val = ((!(is_power_up)) << 1); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, val); } static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp, struct bnx2x_phy *phy, u16 edc_mode) { u16 cur_limiting_mode; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, &cur_limiting_mode); DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", cur_limiting_mode); if (edc_mode == EDC_MODE_LIMITING) { DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, EDC_MODE_LIMITING); } else { /* LRM mode ( default )*/ DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); /* * Changing to LRM mode takes quite few seconds. So do it only * if current mode is limiting (default is LRM) */ if (cur_limiting_mode != EDC_MODE_LIMITING) return 0; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LRM_MODE, 0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, 0x128); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL0, 0x4008); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LRM_MODE, 0xaaaa); } return 0; } static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp, struct bnx2x_phy *phy, u16 edc_mode) { u16 phy_identifier; u16 rom_ver2_val; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &phy_identifier); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, (phy_identifier & ~(1<<9))); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, &rom_ver2_val); /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER2, (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, (phy_identifier | (1<<9))); return 0; } static void bnx2x_8727_specific_func(struct bnx2x_phy *phy, struct link_params *params, u32 action) { struct bnx2x *bp = params->bp; switch (action) { case DISABLE_TX: bnx2x_sfp_set_transmitter(params, phy, 0); break; case ENABLE_TX: if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) bnx2x_sfp_set_transmitter(params, phy, 1); break; default: DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n", action); return; } } static void bnx2x_set_sfp_module_fault_led(struct link_params *params, u8 gpio_mode) { struct bnx2x *bp = params->bp; u32 fault_led_gpio = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[params->port].sfp_ctrl)) & PORT_HW_CFG_FAULT_MODULE_LED_MASK; switch (fault_led_gpio) { case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: return; case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: { u8 gpio_port = bnx2x_get_gpio_port(params); u16 gpio_pin = fault_led_gpio - PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; DP(NETIF_MSG_LINK, "Set fault module-detected led " "pin %x port %x mode %x\n", gpio_pin, gpio_port, gpio_mode); bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); } break; default: DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n", fault_led_gpio); } } static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 edc_mode; u8 rc = 0; u32 val = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port].config)); DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", params->port); if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); return -EINVAL; } else if (bnx2x_verify_sfp_module(phy, params) != 0) { /* check SFP+ module compatibility */ DP(NETIF_MSG_LINK, "Module verification failed!!\n"); rc = -EINVAL; /* Turn on fault module-detected led */ bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) && ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) { /* Shutdown SFP+ module */ DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); bnx2x_8727_power_module(bp, phy, 0); return rc; } } else { /* Turn off fault module-detected led */ bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); } /* power up the SFP module */ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) bnx2x_8727_power_module(bp, phy, 1); /* * Check and set limiting mode / LRM mode on 8726. On 8727 it * is done automatically */ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) bnx2x_8726_set_limiting_mode(bp, phy, edc_mode); else bnx2x_8727_set_limiting_mode(bp, phy, edc_mode); /* * Enable transmit for this module if the module is approved, or * if unapproved modules should also enable the Tx laser */ if (rc == 0 || (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) bnx2x_sfp_set_transmitter(params, phy, 1); else bnx2x_sfp_set_transmitter(params, phy, 0); return rc; } void bnx2x_handle_module_detect_int(struct link_params *params) { struct bnx2x *bp = params->bp; struct bnx2x_phy *phy = ¶ms->phy[EXT_PHY1]; u32 gpio_val; u8 port = params->port; /* Set valid module led off */ bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); /* Get current gpio val reflecting module plugged in / out*/ gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port); /* Call the handling function in case module is detected */ if (gpio_val == 0) { bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, port); if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) bnx2x_sfp_module_detection(phy, params); else DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); } else { u32 val = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port]. config)); bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_INT_OUTPUT_SET, port); /* * Module was plugged out. * Disable transmit for this module */ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) bnx2x_sfp_set_transmitter(params, phy, 0); } } /******************************************************************/ /* common BCM8706/BCM8726 PHY SECTION */ /******************************************************************/ static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u8 link_up = 0; u16 val1, val2, rx_sd, pcs_status; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); /* Clear RX Alarm*/ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2); /* clear LASI indication*/ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); bnx2x_cl45_read(bp, phy, MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" " link_status 0x%x\n", rx_sd, pcs_status, val2); /* * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status * are set, or if the autoneg bit 1 is set */ link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); if (link_up) { if (val2 & (1<<1)) vars->line_speed = SPEED_1000; else vars->line_speed = SPEED_10000; bnx2x_ext_phy_resolve_fc(phy, params, vars); vars->duplex = DUPLEX_FULL; } return link_up; } /******************************************************************/ /* BCM8706 PHY SECTION */ /******************************************************************/ static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u32 tx_en_mode; u16 cnt, val, tmp1; struct bnx2x *bp = params->bp; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); /* HW reset */ bnx2x_ext_phy_hw_reset(bp, params->port); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); bnx2x_wait_reset_complete(bp, phy, params); /* Wait until fw is loaded */ for (cnt = 0; cnt < 100; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); if (val) break; msleep(10); } DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); if ((params->feature_config_flags & FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { u8 i; u16 reg; for (i = 0; i < 4; i++) { reg = MDIO_XS_8706_REG_BANK_RX0 + i*(MDIO_XS_8706_REG_BANK_RX1 - MDIO_XS_8706_REG_BANK_RX0); bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); /* Clear first 3 bits of the control */ val &= ~0x7; /* Set control bits according to configuration */ val |= (phy->rx_preemphasis[i] & 0x7); DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" " reg 0x%x <-- val 0x%x\n", reg, val); bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); } } /* Force speed */ if (phy->req_line_speed == SPEED_10000) { DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, 0x400); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); } else { /* Force 1Gbps using autoneg with 1G advertisment */ /* Allow CL37 through CL73 */ DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); /* Enable Full-Duplex advertisment on CL37 */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); /* Enable CL37 AN */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); /* 1G support */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); /* Enable clause 73 AN */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, 0x0400); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004); } bnx2x_save_bcm_spirom_ver(bp, phy, params->port); /* * If TX Laser is controlled by GPIO_0, do not let PHY go into low * power mode, if TX Laser is disabled */ tx_en_mode = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[params->port].sfp_ctrl)) & PORT_HW_CFG_TX_LASER_MASK; if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); tmp1 |= 0x1; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); } return 0; } static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { return bnx2x_8706_8726_read_status(phy, params, vars); } /******************************************************************/ /* BCM8726 PHY SECTION */ /******************************************************************/ static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); } static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; /* Need to wait 100ms after reset */ msleep(100); /* Micro controller re-boot */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); /* Set soft reset */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL1, 0x0001); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); /* wait for 150ms for microcode load */ msleep(150); /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL1, 0x0000); msleep(200); bnx2x_save_bcm_spirom_ver(bp, phy, params->port); } static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 val1; u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); if (link_up) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); if (val1 & (1<<15)) { DP(NETIF_MSG_LINK, "Tx is disabled\n"); link_up = 0; vars->line_speed = 0; } } return link_up; } static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u32 val; u32 swap_val, swap_override, aeu_gpio_mask, offset; DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); bnx2x_wait_reset_complete(bp, phy, params); bnx2x_8726_external_rom_boot(phy, params); /* * Need to call module detected on initialization since the module * detection triggered by actual module insertion might occur before * driver is loaded, and when driver is loaded, it reset all * registers, including the transmitter */ bnx2x_sfp_module_detection(phy, params); if (phy->req_line_speed == SPEED_1000) { DP(NETIF_MSG_LINK, "Setting 1G force\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, 0x400); } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && ((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); /* Set Flow control */ bnx2x_ext_phy_set_pause(params, phy, vars); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); /* * Enable RX-ALARM control to receive interrupt for 1G speed * change */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, 0x400); } else { /* Default 10G. Set only LASI control */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1); } /* Set TX PreEmphasis if needed */ if ((params->feature_config_flags & FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x," "TX_CTRL2 0x%x\n", phy->tx_preemphasis[0], phy->tx_preemphasis[1]); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8726_TX_CTRL1, phy->tx_preemphasis[0]); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8726_TX_CTRL2, phy->tx_preemphasis[1]); } /* Set GPIO3 to trigger SFP+ module insertion/removal */ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port); /* The GPIO should be swapped if the swap register is set and active */ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); /* Select function upon port-swap configuration */ if (params->port == 0) { offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; aeu_gpio_mask = (swap_val && swap_override) ? AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 : AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0; } else { offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; aeu_gpio_mask = (swap_val && swap_override) ? AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 : AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1; } val = REG_RD(bp, offset); /* add GPIO3 to group */ val |= aeu_gpio_mask; REG_WR(bp, offset, val); return 0; } static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); /* Set serial boot control for external load */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); } /******************************************************************/ /* BCM8727 PHY SECTION */ /******************************************************************/ static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy, struct link_params *params, u8 mode) { struct bnx2x *bp = params->bp; u16 led_mode_bitmask = 0; u16 gpio_pins_bitmask = 0; u16 val; /* Only NOC flavor requires to set the LED specifically */ if (!(phy->flags & FLAGS_NOC)) return; switch (mode) { case LED_MODE_FRONT_PANEL_OFF: case LED_MODE_OFF: led_mode_bitmask = 0; gpio_pins_bitmask = 0x03; break; case LED_MODE_ON: led_mode_bitmask = 0; gpio_pins_bitmask = 0x02; break; case LED_MODE_OPER: led_mode_bitmask = 0x60; gpio_pins_bitmask = 0x11; break; } bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, &val); val &= 0xff8f; val |= led_mode_bitmask; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, &val); val &= 0xffe0; val |= gpio_pins_bitmask; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, val); } static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, struct link_params *params) { u32 swap_val, swap_override; u8 port; /* * The PHY reset is controlled by GPIO 1. Fake the port number * to cancel the swap done in set_gpio() */ struct bnx2x *bp = params->bp; swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); port = (swap_val && swap_override) ^ 1; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, port); } static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u32 tx_en_mode; u16 tmp1, val, mod_abs, tmp2; u16 rx_alarm_ctrl_val; u16 lasi_ctrl_val; struct bnx2x *bp = params->bp; /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ bnx2x_wait_reset_complete(bp, phy, params); rx_alarm_ctrl_val = (1<<2) | (1<<5) ; lasi_ctrl_val = 0x0004; DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); /* enable LASI */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, rx_alarm_ctrl_val); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val); /* * Initially configure MOD_ABS to interrupt when module is * presence( bit 8) */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); /* * Set EDC off by setting OPTXLOS signal input to low (bit 9). * When the EDC is off it locks onto a reference clock and avoids * becoming 'lost' */ mod_abs &= ~(1<<8); if (!(phy->flags & FLAGS_NOC)) mod_abs &= ~(1<<9); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); /* Make MOD_ABS give interrupt on change */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, &val); val |= (1<<12); if (phy->flags & FLAGS_NOC) val |= (3<<5); /* * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 * status which reflect SFP+ module over-current */ if (!(phy->flags & FLAGS_NOC)) val &= 0xff8f; /* Reset bits 4-6 */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); bnx2x_8727_power_module(bp, phy, 1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1); /* Set option 1G speed */ if (phy->req_line_speed == SPEED_1000) { DP(NETIF_MSG_LINK, "Setting 1G force\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); /* * Power down the XAUI until link is up in case of dual-media * and 1G */ if (DUAL_MEDIA(params)) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_GP, &val); val |= (3<<10); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_GP, val); } } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && ((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && ((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); } else { /* * Since the 8727 has only single reset pin, need to set the 10G * registers although it is default */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0x0020); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x0008); } /* * Set 2-wire transfer rate of SFP+ module EEPROM * to 100Khz since some DACs(direct attached cables) do * not work at 400Khz. */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, 0xa001); /* Set TX PreEmphasis if needed */ if ((params->feature_config_flags & FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", phy->tx_preemphasis[0], phy->tx_preemphasis[1]); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, phy->tx_preemphasis[0]); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, phy->tx_preemphasis[1]); } /* * If TX Laser is controlled by GPIO_0, do not let PHY go into low * power mode, if TX Laser is disabled */ tx_en_mode = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[params->port].sfp_ctrl)) & PORT_HW_CFG_TX_LASER_MASK; if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); tmp2 |= 0x1000; tmp2 &= 0xFFEF; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); } return 0; } static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u16 mod_abs, rx_alarm_status; u32 val = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port]. config)); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); if (mod_abs & (1<<8)) { /* Module is absent */ DP(NETIF_MSG_LINK, "MOD_ABS indication " "show module is absent\n"); /* * 1. Set mod_abs to detect next module * presence event * 2. Set EDC off by setting OPTXLOS signal input to low * (bit 9). * When the EDC is off it locks onto a reference clock and * avoids becoming 'lost'. */ mod_abs &= ~(1<<8); if (!(phy->flags & FLAGS_NOC)) mod_abs &= ~(1<<9); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); /* * Clear RX alarm since it stays up as long as * the mod_abs wasn't changed */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); } else { /* Module is present */ DP(NETIF_MSG_LINK, "MOD_ABS indication " "show module is present\n"); /* * First disable transmitter, and if the module is ok, the * module_detection will enable it * 1. Set mod_abs to detect next module absent event ( bit 8) * 2. Restore the default polarity of the OPRXLOS signal and * this signal will then correctly indicate the presence or * absence of the Rx signal. (bit 9) */ mod_abs |= (1<<8); if (!(phy->flags & FLAGS_NOC)) mod_abs |= (1<<9); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); /* * Clear RX alarm since it stays up as long as the mod_abs * wasn't changed. This is need to be done before calling the * module detection, otherwise it will clear* the link update * alarm */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) bnx2x_sfp_set_transmitter(params, phy, 0); if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) bnx2x_sfp_module_detection(phy, params); else DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); } DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); /* No need to check link status in case of module plugged in/out */ } static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 link_up = 0; u16 link_status = 0; u16 rx_alarm_status, lasi_ctrl, val1; /* If PHY is not initialized, do not check link status */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, &lasi_ctrl); if (!lasi_ctrl) return 0; /* Check the LASI */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); vars->line_speed = 0; DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); /* Clear MSG-OUT */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); /* * If a module is present and there is need to check * for over current */ if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { /* Check over-current using 8727 GPIO0 input*/ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, &val1); if ((val1 & (1<<8)) == 0) { DP(NETIF_MSG_LINK, "8727 Power fault has been detected" " on port %d\n", params->port); netdev_err(bp->dev, "Error: Power fault on Port %d has" " been detected and the power to " "that SFP+ module has been removed" " to prevent failure of the card." " Please remove the SFP+ module and" " restart the system to clear this" " error.\n", params->port); /* Disable all RX_ALARMs except for mod_abs */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5)); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); /* Wait for module_absent_event */ val1 |= (1<<8); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, val1); /* Clear RX alarm */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &rx_alarm_status); return 0; } } /* Over current check */ /* When module absent bit is set, check module */ if (rx_alarm_status & (1<<5)) { bnx2x_8727_handle_mod_abs(phy, params); /* Enable all mod_abs and link detection bits */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, ((1<<5) | (1<<2))); } DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n"); bnx2x_8727_specific_func(phy, params, ENABLE_TX); /* If transmitter is disabled, ignore false link up indication */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); if (val1 & (1<<15)) { DP(NETIF_MSG_LINK, "Tx is disabled\n"); return 0; } bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); /* * Bits 0..2 --> speed detected, * Bits 13..15--> link is down */ if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { link_up = 1; vars->line_speed = SPEED_10000; DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", params->port); } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { link_up = 1; vars->line_speed = SPEED_1000; DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", params->port); } else { link_up = 0; DP(NETIF_MSG_LINK, "port %x: External link is down\n", params->port); } if (link_up) { bnx2x_ext_phy_resolve_fc(phy, params, vars); vars->duplex = DUPLEX_FULL; DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex); } if ((DUAL_MEDIA(params)) && (phy->req_line_speed == SPEED_1000)) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_GP, &val1); /* * In case of dual-media board and 1G, power up the XAUI side, * otherwise power it down. For 10G it is done automatically */ if (link_up) val1 &= ~(3<<10); else val1 |= (3<<10); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_GP, val1); } return link_up; } static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; /* Disable Transmitter */ bnx2x_sfp_set_transmitter(params, phy, 0); /* Clear LASI */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0); } /******************************************************************/ /* BCM8481/BCM84823/BCM84833 PHY SECTION */ /******************************************************************/ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, struct link_params *params) { u16 val, fw_ver1, fw_ver2, cnt, adj; struct bnx2x *bp = params->bp; adj = 0; if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) adj = -1; /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/ /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009); for (cnt = 0; cnt < 100; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val); if (val & 1) break; udelay(5); } if (cnt == 100) { DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n"); bnx2x_save_spirom_version(bp, params->port, 0, phy->ver_addr); return; } /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A); for (cnt = 0; cnt < 100; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val); if (val & 1) break; udelay(5); } if (cnt == 100) { DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n"); bnx2x_save_spirom_version(bp, params->port, 0, phy->ver_addr); return; } /* lower 16 bits of the register SPI_FW_STATUS */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1); /* upper 16 bits of register SPI_FW_STATUS */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2); bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1, phy->ver_addr); } static void bnx2x_848xx_set_led(struct bnx2x *bp, struct bnx2x_phy *phy) { u16 val, adj; adj = 0; if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) adj = -1; /* PHYC_CTL_LED_CTL */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val); val &= 0xFE00; val |= 0x0092; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK + adj, 0x80); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK + adj, 0x18); /* Select activity source by Tx and Rx, as suggested by PHY AE */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK + adj, 0x0006); /* Select the closest activity blink rate to that in 10/100/1000 */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK + adj, 0); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val); val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val); /* 'Interrupt Mask' */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 0xFFFB, 0xFFFD); } static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 autoneg_val, an_1000_val, an_10_100_val; /* * This phy uses the NIG latch mechanism since link indication * arrives through its LED4 and not via its LASI signal, so we * get steady signal instead of clear on read */ bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, 1 << NIG_LATCH_BC_ENABLE_MI_INT); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); bnx2x_848xx_set_led(bp, phy); /* set 1000 speed advertisement */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, &an_1000_val); bnx2x_ext_phy_set_pause(params, phy, vars); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, &an_10_100_val); bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, &autoneg_val); /* Disable forced speed */ autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); if (((phy->req_line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || (phy->req_line_speed == SPEED_1000)) { an_1000_val |= (1<<8); autoneg_val |= (1<<9 | 1<<12); if (phy->req_duplex == DUPLEX_FULL) an_1000_val |= (1<<9); DP(NETIF_MSG_LINK, "Advertising 1G\n"); } else an_1000_val &= ~((1<<8) | (1<<9)); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, an_1000_val); /* set 10 speed advertisement */ if (((phy->req_line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { an_10_100_val |= (1<<7); /* Enable autoneg and restart autoneg for legacy speeds */ autoneg_val |= (1<<9 | 1<<12); if (phy->req_duplex == DUPLEX_FULL) an_10_100_val |= (1<<8); DP(NETIF_MSG_LINK, "Advertising 100M\n"); } /* set 10 speed advertisement */ if (((phy->req_line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { an_10_100_val |= (1<<5); autoneg_val |= (1<<9 | 1<<12); if (phy->req_duplex == DUPLEX_FULL) an_10_100_val |= (1<<6); DP(NETIF_MSG_LINK, "Advertising 10M\n"); } /* Only 10/100 are allowed to work in FORCE mode */ if (phy->req_line_speed == SPEED_100) { autoneg_val |= (1<<13); /* Enabled AUTO-MDIX when autoneg is disabled */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, (1<<15 | 1<<9 | 7<<0)); DP(NETIF_MSG_LINK, "Setting 100M force\n"); } if (phy->req_line_speed == SPEED_10) { /* Enabled AUTO-MDIX when autoneg is disabled */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, (1<<15 | 1<<9 | 7<<0)); DP(NETIF_MSG_LINK, "Setting 10M force\n"); } bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, an_10_100_val); if (phy->req_duplex == DUPLEX_FULL) autoneg_val |= (1<<8); bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); if (((phy->req_line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || (phy->req_line_speed == SPEED_10000)) { DP(NETIF_MSG_LINK, "Advertising 10G\n"); /* Restart autoneg for 10G*/ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x3200); } else if (phy->req_line_speed != SPEED_10 && phy->req_line_speed != SPEED_100) { bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 1); } /* Save spirom version */ bnx2x_save_848xx_spirom_version(phy, params); return 0; } static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; /* Restore normal power mode*/ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); /* HW reset */ bnx2x_ext_phy_hw_reset(bp, params->port); bnx2x_wait_reset_complete(bp, phy, params); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); return bnx2x_848xx_cmn_config_init(phy, params, vars); } static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port, initialize = 1; u16 val, adj; u16 temp; u32 actual_phy_selection; u8 rc = 0; /* This is just for MDIO_CTL_REG_84823_MEDIA register. */ adj = 0; if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) adj = 3; msleep(1); if (CHIP_IS_E2(bp)) port = BP_PATH(bp); else port = params->port; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); bnx2x_wait_reset_complete(bp, phy, params); /* Wait for GPHY to come out of reset */ msleep(50); /* * BCM84823 requires that XGXS links up first @ 10G for normal behavior */ temp = vars->line_speed; vars->line_speed = SPEED_10000; bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0); bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars); vars->line_speed = temp; /* Set dual-media configuration according to configuration */ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, MDIO_CTL_REG_84823_MEDIA + adj, &val); val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | MDIO_CTL_REG_84823_MEDIA_LINE_MASK | MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | MDIO_CTL_REG_84823_MEDIA_FIBER_1G); val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI | MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L; actual_phy_selection = bnx2x_phy_selection(params); switch (actual_phy_selection) { case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: /* Do nothing. Essentialy this is like the priority copper */ break; case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; break; case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: /* Do nothing here. The first PHY won't be initialized at all */ break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; initialize = 0; break; } if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000) val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, MDIO_CTL_REG_84823_MEDIA + adj, val); DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n", params->multi_phy_config, val); if (initialize) rc = bnx2x_848xx_cmn_config_init(phy, params, vars); else bnx2x_save_848xx_spirom_version(phy, params); return rc; } static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 val, val1, val2, adj; u8 link_up = 0; /* Reg offset adjustment for 84833 */ adj = 0; if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) adj = -1; /* Check 10G-BaseT link status */ /* Check PMD signal ok */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 0xFFFA, &val1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj, &val2); DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); /* Check link 10G */ if (val2 & (1<<11)) { vars->line_speed = SPEED_10000; vars->duplex = DUPLEX_FULL; link_up = 1; bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); } else { /* Check Legacy speed link */ u16 legacy_status, legacy_speed; /* Enable expansion register 0x42 (Operation mode status) */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); /* Get legacy speed operation status */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &legacy_status); DP(NETIF_MSG_LINK, "Legacy speed status" " = 0x%x\n", legacy_status); link_up = ((legacy_status & (1<<11)) == (1<<11)); if (link_up) { legacy_speed = (legacy_status & (3<<9)); if (legacy_speed == (0<<9)) vars->line_speed = SPEED_10; else if (legacy_speed == (1<<9)) vars->line_speed = SPEED_100; else if (legacy_speed == (2<<9)) vars->line_speed = SPEED_1000; else /* Should not happen */ vars->line_speed = 0; if (legacy_status & (1<<8)) vars->duplex = DUPLEX_FULL; else vars->duplex = DUPLEX_HALF; DP(NETIF_MSG_LINK, "Link is up in %dMbps," " is_duplex_full= %d\n", vars->line_speed, (vars->duplex == DUPLEX_FULL)); /* Check legacy speed AN resolution */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_STATUS, &val); if (val & (1<<5)) vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, &val); if ((val & (1<<0)) == 0) vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; } } if (link_up) { DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n", vars->line_speed); bnx2x_ext_phy_resolve_fc(phy, params, vars); } return link_up; } static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) { u8 status = 0; u32 spirom_ver; spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); status = bnx2x_format_ver(spirom_ver, str, len); return status; } static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, struct link_params *params) { bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); } static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, struct link_params *params) { bnx2x_cl45_write(params->bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); bnx2x_cl45_write(params->bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); } static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; u8 port; if (CHIP_IS_E2(bp)) port = BP_PATH(bp); else port = params->port; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_OUTPUT_LOW, port); } static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, struct link_params *params, u8 mode) { struct bnx2x *bp = params->bp; u16 val; switch (mode) { case LED_MODE_OFF: DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port); if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == SHARED_HW_CFG_LED_EXTPHY1) { /* Set LED masks */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED5_MASK, 0x0); } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); } break; case LED_MODE_FRONT_PANEL_OFF: DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n", params->port); if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == SHARED_HW_CFG_LED_EXTPHY1) { /* Set LED masks */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED5_MASK, 0x20); } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); } break; case LED_MODE_ON: DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port); if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == SHARED_HW_CFG_LED_EXTPHY1) { /* Set control reg */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, &val); val &= 0x8000; val |= 0x2492; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, val); /* Set LED masks */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x20); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x20); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED5_MASK, 0x0); } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x20); } break; case LED_MODE_OPER: DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port); if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == SHARED_HW_CFG_LED_EXTPHY1) { /* Set control reg */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, &val); if (!((val & MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, 0xa492); } /* Set LED masks */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x10); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x80); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x98); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED5_MASK, 0x40); } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x80); /* Tell LED3 to blink on source */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, &val); val &= ~(7<<6); val |= (1<<6); /* A83B[8:6]= 1 */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, val); } break; } } /******************************************************************/ /* SFX7101 PHY SECTION */ /******************************************************************/ static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; /* SFX7101_XGXS_TEST1 */ bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); } static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u16 fw_ver1, fw_ver2, val; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); /* Restore normal power mode*/ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); /* HW reset */ bnx2x_ext_phy_hw_reset(bp, params->port); bnx2x_wait_reset_complete(bp, phy, params); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1); DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); bnx2x_ext_phy_set_pause(params, phy, vars); /* Restart autoneg */ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); val |= 0x200; bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); /* Save spirom version */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); bnx2x_save_spirom_version(bp, params->port, (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); return 0; } static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 link_up; u16 val1, val2; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1); DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", val2, val1); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", val2, val1); link_up = ((val1 & 4) == 4); /* if link is up print the AN outcome of the SFX7101 PHY */ if (link_up) { bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, &val2); vars->line_speed = SPEED_10000; vars->duplex = DUPLEX_FULL; DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", val2, (val2 & (1<<14))); bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); bnx2x_ext_phy_resolve_fc(phy, params, vars); } return link_up; } static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) { if (*len < 5) return -EINVAL; str[0] = (spirom_ver & 0xFF); str[1] = (spirom_ver & 0xFF00) >> 8; str[2] = (spirom_ver & 0xFF0000) >> 16; str[3] = (spirom_ver & 0xFF000000) >> 24; str[4] = '\0'; *len -= 5; return 0; } void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) { u16 val, cnt; bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_RESET, &val); for (cnt = 0; cnt < 10; cnt++) { msleep(50); /* Writes a self-clearing reset */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_RESET, (val | (1<<15))); /* Wait for clear */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_RESET, &val); if ((val & (1<<15)) == 0) break; } } static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, struct link_params *params) { /* Low power mode is controlled by GPIO 2 */ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); /* The PHY reset is controlled by GPIO 1 */ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); } static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy, struct link_params *params, u8 mode) { u16 val = 0; struct bnx2x *bp = params->bp; switch (mode) { case LED_MODE_FRONT_PANEL_OFF: case LED_MODE_OFF: val = 2; break; case LED_MODE_ON: val = 1; break; case LED_MODE_OPER: val = 0; break; } bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LINK_LED_CNTL, val); } /******************************************************************/ /* STATIC PHY DECLARATION */ /******************************************************************/ static struct bnx2x_phy phy_null = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, .addr = 0, .flags = FLAGS_INIT_XGXS_FIRST, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = 0, .media_type = ETH_PHY_NOT_PRESENT, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)NULL, .read_status = (read_status_t)NULL, .link_reset = (link_reset_t)NULL, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_serdes = { .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, .addr = 0xff, .flags = 0, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_2500baseX_Full | SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_UNSPECIFIED, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_init_serdes, .read_status = (read_status_t)bnx2x_link_settings_status, .link_reset = (link_reset_t)bnx2x_int_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_xgxs = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, .addr = 0xff, .flags = 0, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_2500baseX_Full | SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_UNSPECIFIED, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_init_xgxs, .read_status = (read_status_t)bnx2x_link_settings_status, .link_reset = (link_reset_t)bnx2x_int_link_reset, .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_7101 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, .addr = 0xff, .flags = FLAGS_FAN_FAILURE_DET_REQ, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_BASE_T, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_7101_config_init, .read_status = (read_status_t)bnx2x_7101_read_status, .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_8073 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, .addr = 0xff, .flags = FLAGS_HW_LOCK_REQUIRED, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_2500baseX_Full | SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_UNSPECIFIED, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8073_config_init, .read_status = (read_status_t)bnx2x_8073_read_status, .link_reset = (link_reset_t)bnx2x_8073_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_8705 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, .addr = 0xff, .flags = FLAGS_INIT_XGXS_FIRST, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_XFP_FIBER, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8705_config_init, .read_status = (read_status_t)bnx2x_8705_read_status, .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_8706 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, .addr = 0xff, .flags = FLAGS_INIT_XGXS_FIRST, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_SFP_FIBER, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8706_config_init, .read_status = (read_status_t)bnx2x_8706_read_status, .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_8726 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, .addr = 0xff, .flags = (FLAGS_HW_LOCK_REQUIRED | FLAGS_INIT_XGXS_FIRST), .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_SFP_FIBER, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8726_config_init, .read_status = (read_status_t)bnx2x_8726_read_status, .link_reset = (link_reset_t)bnx2x_8726_link_reset, .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_8727 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, .addr = 0xff, .flags = FLAGS_FAN_FAILURE_DET_REQ, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_SFP_FIBER, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8727_config_init, .read_status = (read_status_t)bnx2x_8727_read_status, .link_reset = (link_reset_t)bnx2x_8727_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func }; static struct bnx2x_phy phy_8481 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, .addr = 0xff, .flags = FLAGS_FAN_FAILURE_DET_REQ | FLAGS_REARM_LATCH_SIGNAL, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full | SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_BASE_T, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_8481_config_init, .read_status = (read_status_t)bnx2x_848xx_read_status, .link_reset = (link_reset_t)bnx2x_8481_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_84823 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, .addr = 0xff, .flags = FLAGS_FAN_FAILURE_DET_REQ | FLAGS_REARM_LATCH_SIGNAL, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full | SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_BASE_T, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_848x3_config_init, .read_status = (read_status_t)bnx2x_848xx_read_status, .link_reset = (link_reset_t)bnx2x_848x3_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, .phy_specific_func = (phy_specific_func_t)NULL }; static struct bnx2x_phy phy_84833 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, .addr = 0xff, .flags = FLAGS_FAN_FAILURE_DET_REQ | FLAGS_REARM_LATCH_SIGNAL, .def_md_devad = 0, .reserved = 0, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, .supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full | SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .media_type = ETH_PHY_BASE_T, .ver_addr = 0, .req_flow_ctrl = 0, .req_line_speed = 0, .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, .config_init = (config_init_t)bnx2x_848x3_config_init, .read_status = (read_status_t)bnx2x_848xx_read_status, .link_reset = (link_reset_t)bnx2x_848x3_link_reset, .config_loopback = (config_loopback_t)NULL, .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, .phy_specific_func = (phy_specific_func_t)NULL }; /*****************************************************************/ /* */ /* Populate the phy according. Main function: bnx2x_populate_phy */ /* */ /*****************************************************************/ static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, struct bnx2x_phy *phy, u8 port, u8 phy_index) { /* Get the 4 lanes xgxs config rx and tx */ u32 rx = 0, tx = 0, i; for (i = 0; i < 2; i++) { /* * INT_PHY and EXT_PHY1 share the same value location in the * shmem. When num_phys is greater than 1, than this value * applies only to EXT_PHY1 */ if (phy_index == INT_PHY || phy_index == EXT_PHY1) { rx = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); tx = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); } else { rx = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); tx = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); } phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); } } static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, u8 phy_index, u8 port) { u32 ext_phy_config = 0; switch (phy_index) { case EXT_PHY1: ext_phy_config = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].external_phy_config)); break; case EXT_PHY2: ext_phy_config = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_hw_config[port].external_phy_config2)); break; default: DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); return -EINVAL; } return ext_phy_config; } static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, struct bnx2x_phy *phy) { u32 phy_addr; u32 chip_id; u32 switch_cfg = (REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.port_feature_config[port].link_config)) & PORT_FEATURE_CONNECTED_SWITCH_MASK); chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16; switch (switch_cfg) { case SWITCH_CFG_1G: phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port * 0x10); *phy = phy_serdes; break; case SWITCH_CFG_10G: phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port * 0x18); *phy = phy_xgxs; break; default: DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); return -EINVAL; } phy->addr = (u8)phy_addr; phy->mdio_ctrl = bnx2x_get_emac_base(bp, SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, port); if (CHIP_IS_E2(bp)) phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR; else phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", port, phy->addr, phy->mdio_ctrl); bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); return 0; } static u8 bnx2x_populate_ext_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, u32 shmem2_base, u8 port, struct bnx2x_phy *phy) { u32 ext_phy_config, phy_type, config2; u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, phy_index, port); phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); /* Select the phy type */ switch (phy_type) { case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; *phy = phy_8073; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: *phy = phy_8705; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: *phy = phy_8706; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; *phy = phy_8726; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: /* BCM8727_NOC => BCM8727 no over current */ mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; *phy = phy_8727; phy->flags |= FLAGS_NOC; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; *phy = phy_8727; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: *phy = phy_8481; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: *phy = phy_84823; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: *phy = phy_84833; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: *phy = phy_7101; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: *phy = phy_null; return -EINVAL; default: *phy = phy_null; return 0; } phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); /* * The shmem address of the phy version is located on different * structures. In case this structure is too old, do not set * the address */ config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region, dev_info.shared_hw_config.config2)); if (phy_index == EXT_PHY1) { phy->ver_addr = shmem_base + offsetof(struct shmem_region, port_mb[port].ext_phy_fw_version); /* Check specific mdc mdio settings */ if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) mdc_mdio_access = config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; } else { u32 size = REG_RD(bp, shmem2_base); if (size > offsetof(struct shmem2_region, ext_phy_fw_version2)) { phy->ver_addr = shmem2_base + offsetof(struct shmem2_region, ext_phy_fw_version2[port]); } /* Check specific mdc mdio settings */ if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) mdc_mdio_access = (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); } phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port); /* * In case mdc/mdio_access of the external phy is different than the * mdc/mdio access of the XGXS, a HW lock must be taken in each access * to prevent one port interfere with another port's CL45 operations. */ if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH) phy->flags |= FLAGS_HW_LOCK_REQUIRED; DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n", phy_type, port, phy_index); DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n", phy->addr, phy->mdio_ctrl); return 0; } static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, u32 shmem2_base, u8 port, struct bnx2x_phy *phy) { u8 status = 0; phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; if (phy_index == INT_PHY) return bnx2x_populate_int_phy(bp, shmem_base, port, phy); status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base, port, phy); return status; } static void bnx2x_phy_def_cfg(struct link_params *params, struct bnx2x_phy *phy, u8 phy_index) { struct bnx2x *bp = params->bp; u32 link_config; /* Populate the default phy configuration for MF mode */ if (phy_index == EXT_PHY2) { link_config = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port].link_config2)); phy->speed_cap_mask = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_hw_config[params->port].speed_capability_mask2)); } else { link_config = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_feature_config[params->port].link_config)); phy->speed_cap_mask = REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_hw_config[params->port].speed_capability_mask)); } DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask" " 0x%x\n", phy_index, link_config, phy->speed_cap_mask); phy->req_duplex = DUPLEX_FULL; switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { case PORT_FEATURE_LINK_SPEED_10M_HALF: phy->req_duplex = DUPLEX_HALF; case PORT_FEATURE_LINK_SPEED_10M_FULL: phy->req_line_speed = SPEED_10; break; case PORT_FEATURE_LINK_SPEED_100M_HALF: phy->req_duplex = DUPLEX_HALF; case PORT_FEATURE_LINK_SPEED_100M_FULL: phy->req_line_speed = SPEED_100; break; case PORT_FEATURE_LINK_SPEED_1G: phy->req_line_speed = SPEED_1000; break; case PORT_FEATURE_LINK_SPEED_2_5G: phy->req_line_speed = SPEED_2500; break; case PORT_FEATURE_LINK_SPEED_10G_CX4: phy->req_line_speed = SPEED_10000; break; default: phy->req_line_speed = SPEED_AUTO_NEG; break; } switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { case PORT_FEATURE_FLOW_CONTROL_AUTO: phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; break; case PORT_FEATURE_FLOW_CONTROL_TX: phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; break; case PORT_FEATURE_FLOW_CONTROL_RX: phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; break; case PORT_FEATURE_FLOW_CONTROL_BOTH: phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; break; default: phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; break; } } u32 bnx2x_phy_selection(struct link_params *params) { u32 phy_config_swapped, prio_cfg; u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; phy_config_swapped = params->multi_phy_config & PORT_HW_CFG_PHY_SWAPPED_ENABLED; prio_cfg = params->multi_phy_config & PORT_HW_CFG_PHY_SELECTION_MASK; if (phy_config_swapped) { switch (prio_cfg) { case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; break; case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; break; } } else return_cfg = prio_cfg; return return_cfg; } u8 bnx2x_phy_probe(struct link_params *params) { u8 phy_index, actual_phy_idx, link_cfg_idx; u32 phy_config_swapped; struct bnx2x *bp = params->bp; struct bnx2x_phy *phy; params->num_phys = 0; DP(NETIF_MSG_LINK, "Begin phy probe\n"); phy_config_swapped = params->multi_phy_config & PORT_HW_CFG_PHY_SWAPPED_ENABLED; for (phy_index = INT_PHY; phy_index < MAX_PHYS; phy_index++) { link_cfg_idx = LINK_CONFIG_IDX(phy_index); actual_phy_idx = phy_index; if (phy_config_swapped) { if (phy_index == EXT_PHY1) actual_phy_idx = EXT_PHY2; else if (phy_index == EXT_PHY2) actual_phy_idx = EXT_PHY1; } DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x," " actual_phy_idx %x\n", phy_config_swapped, phy_index, actual_phy_idx); phy = ¶ms->phy[actual_phy_idx]; if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, params->shmem2_base, params->port, phy) != 0) { params->num_phys = 0; DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", phy_index); for (phy_index = INT_PHY; phy_index < MAX_PHYS; phy_index++) *phy = phy_null; return -EINVAL; } if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) break; bnx2x_phy_def_cfg(params, phy, phy_index); params->num_phys++; } DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); return 0; } static void set_phy_vars(struct link_params *params) { struct bnx2x *bp = params->bp; u8 actual_phy_idx, phy_index, link_cfg_idx; u8 phy_config_swapped = params->multi_phy_config & PORT_HW_CFG_PHY_SWAPPED_ENABLED; for (phy_index = INT_PHY; phy_index < params->num_phys; phy_index++) { link_cfg_idx = LINK_CONFIG_IDX(phy_index); actual_phy_idx = phy_index; if (phy_config_swapped) { if (phy_index == EXT_PHY1) actual_phy_idx = EXT_PHY2; else if (phy_index == EXT_PHY2) actual_phy_idx = EXT_PHY1; } params->phy[actual_phy_idx].req_flow_ctrl = params->req_flow_ctrl[link_cfg_idx]; params->phy[actual_phy_idx].req_line_speed = params->req_line_speed[link_cfg_idx]; params->phy[actual_phy_idx].speed_cap_mask = params->speed_cap_mask[link_cfg_idx]; params->phy[actual_phy_idx].req_duplex = params->req_duplex[link_cfg_idx]; DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," " speed_cap_mask %x\n", params->phy[actual_phy_idx].req_flow_ctrl, params->phy[actual_phy_idx].req_line_speed, params->phy[actual_phy_idx].speed_cap_mask); } } u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "Phy Initialization started\n"); DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n", params->req_line_speed[0], params->req_flow_ctrl[0]); DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n", params->req_line_speed[1], params->req_flow_ctrl[1]); vars->link_status = 0; vars->phy_link_up = 0; vars->link_up = 0; vars->line_speed = 0; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->mac_type = MAC_TYPE_NONE; vars->phy_flags = 0; /* disable attentions */ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, (NIG_MASK_XGXS0_LINK_STATUS | NIG_MASK_XGXS0_LINK10G | NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); bnx2x_emac_init(params, vars); if (params->num_phys == 0) { DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); return -EINVAL; } set_phy_vars(params); DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); if (CHIP_REV_IS_FPGA(bp)) { vars->link_up = 1; vars->line_speed = SPEED_10000; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD); /* enable on E1.5 FPGA */ if (CHIP_IS_E1H(bp)) { vars->flow_ctrl |= (BNX2X_FLOW_CTRL_TX | BNX2X_FLOW_CTRL_RX); vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED | LINK_STATUS_RX_FLOW_CONTROL_ENABLED); } bnx2x_emac_enable(params, vars, 0); if (!(CHIP_IS_E2(bp))) bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed); /* disable drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); /* update shared memory */ bnx2x_update_mng(params, vars->link_status); return 0; } else if (CHIP_REV_IS_EMUL(bp)) { vars->link_up = 1; vars->line_speed = SPEED_10000; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD); bnx2x_bmac_enable(params, vars, 0); bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed); /* Disable drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); /* update shared memory */ bnx2x_update_mng(params, vars->link_status); return 0; } else if (params->loopback_mode == LOOPBACK_BMAC) { vars->link_up = 1; vars->line_speed = SPEED_10000; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->mac_type = MAC_TYPE_BMAC; vars->phy_flags = PHY_XGXS_FLAG; bnx2x_xgxs_deassert(params); /* set bmac loopback */ bnx2x_bmac_enable(params, vars, 1); REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); } else if (params->loopback_mode == LOOPBACK_EMAC) { vars->link_up = 1; vars->line_speed = SPEED_1000; vars->duplex = DUPLEX_FULL; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->mac_type = MAC_TYPE_EMAC; vars->phy_flags = PHY_XGXS_FLAG; bnx2x_xgxs_deassert(params); /* set bmac loopback */ bnx2x_emac_enable(params, vars, 1); bnx2x_emac_program(params, vars); REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); } else if ((params->loopback_mode == LOOPBACK_XGXS) || (params->loopback_mode == LOOPBACK_EXT_PHY)) { vars->link_up = 1; vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; vars->duplex = DUPLEX_FULL; if (params->req_line_speed[0] == SPEED_1000) { vars->line_speed = SPEED_1000; vars->mac_type = MAC_TYPE_EMAC; } else { vars->line_speed = SPEED_10000; vars->mac_type = MAC_TYPE_BMAC; } bnx2x_xgxs_deassert(params); bnx2x_link_initialize(params, vars); if (params->req_line_speed[0] == SPEED_1000) { bnx2x_emac_program(params, vars); bnx2x_emac_enable(params, vars, 0); } else bnx2x_bmac_enable(params, vars, 0); if (params->loopback_mode == LOOPBACK_XGXS) { /* set 10G XGXS loopback */ params->phy[INT_PHY].config_loopback( ¶ms->phy[INT_PHY], params); } else { /* set external phy loopback */ u8 phy_index; for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].config_loopback) params->phy[phy_index].config_loopback( ¶ms->phy[phy_index], params); } } REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); } else /* No loopback */ { if (params->switch_cfg == SWITCH_CFG_10G) bnx2x_xgxs_deassert(params); else bnx2x_serdes_deassert(bp, params->port); bnx2x_link_initialize(params, vars); msleep(30); bnx2x_link_int_enable(params); } return 0; } u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, u8 reset_ext_phy) { struct bnx2x *bp = params->bp; u8 phy_index, port = params->port, clear_latch_ind = 0; DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); /* disable attentions */ vars->link_status = 0; bnx2x_update_mng(params, vars->link_status); bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, (NIG_MASK_XGXS0_LINK_STATUS | NIG_MASK_XGXS0_LINK10G | NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); /* activate nig drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); /* disable nig egress interface */ REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); /* Stop BigMac rx */ bnx2x_bmac_rx_disable(bp, port); /* disable emac */ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); msleep(10); /* The PHY reset is controled by GPIO 1 * Hold it as vars low */ /* clear link led */ bnx2x_set_led(params, vars, LED_MODE_OFF, 0); if (reset_ext_phy) { for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].link_reset) params->phy[phy_index].link_reset( ¶ms->phy[phy_index], params); if (params->phy[phy_index].flags & FLAGS_REARM_LATCH_SIGNAL) clear_latch_ind = 1; } } if (clear_latch_ind) { /* Clear latching indication */ bnx2x_rearm_latch_signal(bp, port, 0); bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, 1 << NIG_LATCH_BC_ENABLE_MI_INT); } if (params->phy[INT_PHY].link_reset) params->phy[INT_PHY].link_reset( ¶ms->phy[INT_PHY], params); /* reset BigMac */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); /* disable nig ingress interface */ REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); vars->link_up = 0; return 0; } /****************************************************************************/ /* Common function */ /****************************************************************************/ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], u32 shmem2_base_path[], u8 phy_index, u32 chip_id) { struct bnx2x_phy phy[PORT_MAX]; struct bnx2x_phy *phy_blk[PORT_MAX]; u16 val; s8 port = 0; s8 port_of_path = 0; u32 swap_val, swap_override; swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); port ^= (swap_val && swap_override); bnx2x_ext_phy_hw_reset(bp, port); /* PART1 - Reset both phys */ for (port = PORT_MAX - 1; port >= PORT_0; port--) { u32 shmem_base, shmem2_base; /* In E2, same phy is using for port0 of the two paths */ if (CHIP_IS_E2(bp)) { shmem_base = shmem_base_path[port]; shmem2_base = shmem2_base_path[port]; port_of_path = 0; } else { shmem_base = shmem_base_path[0]; shmem2_base = shmem2_base_path[0]; port_of_path = port; } /* Extract the ext phy address for the port */ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, port_of_path, &phy[port]) != 0) { DP(NETIF_MSG_LINK, "populate_phy failed\n"); return -EINVAL; } /* disable attentions */ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port_of_path*4, (NIG_MASK_XGXS0_LINK_STATUS | NIG_MASK_XGXS0_LINK10G | NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); /* Need to take the phy out of low power mode in order to write to access its registers */ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); /* Reset the phy */ bnx2x_cl45_write(bp, &phy[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); } /* Add delay of 150ms after reset */ msleep(150); if (phy[PORT_0].addr & 0x1) { phy_blk[PORT_0] = &(phy[PORT_1]); phy_blk[PORT_1] = &(phy[PORT_0]); } else { phy_blk[PORT_0] = &(phy[PORT_0]); phy_blk[PORT_1] = &(phy[PORT_1]); } /* PART2 - Download firmware to both phys */ for (port = PORT_MAX - 1; port >= PORT_0; port--) { if (CHIP_IS_E2(bp)) port_of_path = 0; else port_of_path = port; DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", phy_blk[port]->addr); if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], port_of_path)) return -EINVAL; /* Only set bit 10 = 1 (Tx power down) */ bnx2x_cl45_read(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_POWER_DOWN, &val); /* Phase1 of TX_POWER_DOWN reset */ bnx2x_cl45_write(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_POWER_DOWN, (val | 1<<10)); } /* * Toggle Transmitter: Power down and then up with 600ms delay * between */ msleep(600); /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ for (port = PORT_MAX - 1; port >= PORT_0; port--) { /* Phase2 of POWER_DOWN_RESET */ /* Release bit 10 (Release Tx power down) */ bnx2x_cl45_read(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_POWER_DOWN, &val); bnx2x_cl45_write(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); msleep(15); /* Read modify write the SPI-ROM version select register */ bnx2x_cl45_read(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, &val); bnx2x_cl45_write(bp, phy_blk[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); /* set GPIO2 back to LOW */ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_LOW, port); } return 0; } static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], u32 shmem2_base_path[], u8 phy_index, u32 chip_id) { u32 val; s8 port; struct bnx2x_phy phy; /* Use port1 because of the static port-swap */ /* Enable the module detection interrupt */ val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); val |= ((1<= PORT_0; port--) { u32 shmem_base, shmem2_base; /* In E2, same phy is using for port0 of the two paths */ if (CHIP_IS_E2(bp)) { shmem_base = shmem_base_path[port]; shmem2_base = shmem2_base_path[port]; port_of_path = 0; } else { shmem_base = shmem_base_path[0]; shmem2_base = shmem2_base_path[0]; port_of_path = port; } /* Extract the ext phy address for the port */ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, port_of_path, &phy[port]) != 0) { DP(NETIF_MSG_LINK, "populate phy failed\n"); return -EINVAL; } /* disable attentions */ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port_of_path*4, (NIG_MASK_XGXS0_LINK_STATUS | NIG_MASK_XGXS0_LINK10G | NIG_MASK_SERDES0_LINK_STATUS | NIG_MASK_MI_INT)); /* Reset the phy */ bnx2x_cl45_write(bp, &phy[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); } /* Add delay of 150ms after reset */ msleep(150); if (phy[PORT_0].addr & 0x1) { phy_blk[PORT_0] = &(phy[PORT_1]); phy_blk[PORT_1] = &(phy[PORT_0]); } else { phy_blk[PORT_0] = &(phy[PORT_0]); phy_blk[PORT_1] = &(phy[PORT_1]); } /* PART2 - Download firmware to both phys */ for (port = PORT_MAX - 1; port >= PORT_0; port--) { if (CHIP_IS_E2(bp)) port_of_path = 0; else port_of_path = port; DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", phy_blk[port]->addr); if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], port_of_path)) return -EINVAL; } return 0; } static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[], u32 shmem2_base_path[], u8 phy_index, u32 ext_phy_type, u32 chip_id) { u8 rc = 0; switch (ext_phy_type) { case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: rc = bnx2x_8073_common_init_phy(bp, shmem_base_path, shmem2_base_path, phy_index, chip_id); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: rc = bnx2x_8727_common_init_phy(bp, shmem_base_path, shmem2_base_path, phy_index, chip_id); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: /* * GPIO1 affects both ports, so there's need to pull * it for single port alone */ rc = bnx2x_8726_common_init_phy(bp, shmem_base_path, shmem2_base_path, phy_index, chip_id); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: rc = -EINVAL; break; default: DP(NETIF_MSG_LINK, "ext_phy 0x%x common init not required\n", ext_phy_type); break; } if (rc != 0) netdev_err(bp->dev, "Warning: PHY was not initialized," " Port %d\n", 0); return rc; } u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], u32 shmem2_base_path[], u32 chip_id) { u8 rc = 0; u32 phy_ver; u8 phy_index; u32 ext_phy_type, ext_phy_config; DP(NETIF_MSG_LINK, "Begin common phy init\n"); if (CHIP_REV_IS_EMUL(bp)) return 0; /* Check if common init was already done */ phy_ver = REG_RD(bp, shmem_base_path[0] + offsetof(struct shmem_region, port_mb[PORT_0].ext_phy_fw_version)); if (phy_ver) { DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n", phy_ver); return 0; } /* Read the ext_phy_type for arbitrary port(0) */ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; phy_index++) { ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base_path[0], phy_index, 0); ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path, shmem2_base_path, phy_index, ext_phy_type, chip_id); } return rc; } u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base) { u8 phy_index; struct bnx2x_phy phy; for (phy_index = INT_PHY; phy_index < MAX_PHYS; phy_index++) { if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 0, &phy) != 0) { DP(NETIF_MSG_LINK, "populate phy failed\n"); return 0; } if (phy.flags & FLAGS_HW_LOCK_REQUIRED) return 1; } return 0; } u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base, u8 port) { u8 phy_index, fan_failure_det_req = 0; struct bnx2x_phy phy; for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; phy_index++) { if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, port, &phy) != 0) { DP(NETIF_MSG_LINK, "populate phy failed\n"); return 0; } fan_failure_det_req |= (phy.flags & FLAGS_FAN_FAILURE_DET_REQ); } return fan_failure_det_req; } void bnx2x_hw_reset_phy(struct link_params *params) { u8 phy_index; for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; phy_index++) { if (params->phy[phy_index].hw_reset) { params->phy[phy_index].hw_reset( ¶ms->phy[phy_index], params); params->phy[phy_index] = phy_null; } } }