X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fbnx2x_link.c;h=36fa356c74fab3a52c8a09af3fdb78efe1394f31;hb=8c99e7b0436473593a68e740d1032909bc5335a1;hp=ff2743db10d9ef69081a0d96762fcefe96d2de51;hpb=2528ce3237be4e900f5eaa455490146e1422e424;p=linux-2.6 diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index ff2743db10..36fa356c74 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -38,7 +38,6 @@ #define ETH_MAX_JUMBO_PACKET_SIZE 9600 #define MDIO_ACCESS_TIMEOUT 1000 #define BMAC_CONTROL_RX_ENABLE 2 -#define MAX_MTU_SIZE 5000 /***********************************************************/ /* Shortcut definitions */ @@ -298,11 +297,13 @@ static u8 bnx2x_emac_enable(struct link_params *params, 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_EXT_PAUSE_EN | + EMAC_TX_MODE_FLOW_EN)); if (vars->flow_ctrl & FLOW_CTRL_TX) bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, - EMAC_TX_MODE_EXT_PAUSE_EN); + (EMAC_TX_MODE_EXT_PAUSE_EN | + EMAC_TX_MODE_FLOW_EN)); } /* KEEP_VLAN_TAG, promiscuous */ @@ -591,9 +592,9 @@ void bnx2x_link_status_update(struct link_params *params, vars->flow_ctrl &= ~FLOW_CTRL_RX; if (vars->phy_flags & PHY_XGXS_FLAG) { - if (params->req_line_speed && - ((params->req_line_speed == SPEED_10) || - (params->req_line_speed == SPEED_100))) { + 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; @@ -670,7 +671,6 @@ static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, u8 port = params->port; u32 init_crd, crd; u32 count = 1000; - u32 pause = 0; /* disable port */ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); @@ -693,33 +693,25 @@ static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, return -EINVAL; } - if (flow_ctrl & FLOW_CTRL_RX) - pause = 1; - REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); - if (pause) { + if (flow_ctrl & 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) */ + 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_10: - case SPEED_100: - case SPEED_1000: - init_crd = thresh + 55 - 22; - break; - - case SPEED_2500: - init_crd = thresh + 138 - 22; - break; - case SPEED_10000: init_crd = thresh + 553 - 22; break; @@ -1114,7 +1106,7 @@ static void bnx2x_set_autoneg(struct link_params *params, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); /* CL37 Autoneg Enabled */ - if (params->req_line_speed == SPEED_AUTO_NEG) + 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 | @@ -1132,7 +1124,7 @@ static void bnx2x_set_autoneg(struct link_params *params, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN; - if (params->req_line_speed == SPEED_AUTO_NEG) + 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; @@ -1148,7 +1140,7 @@ static void bnx2x_set_autoneg(struct link_params *params, MDIO_REG_BANK_BAM_NEXT_PAGE, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, ®_val); - if (params->req_line_speed == SPEED_AUTO_NEG) { + 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); @@ -1164,7 +1156,7 @@ static void bnx2x_set_autoneg(struct link_params *params, reg_val); /* Enable Clause 73 Aneg */ - if ((params->req_line_speed == SPEED_AUTO_NEG) && + if ((vars->line_speed == SPEED_AUTO_NEG) && (SUPPORT_CL73)) { /* Enable BAM Station Manager */ @@ -1226,7 +1218,8 @@ static void bnx2x_set_autoneg(struct link_params *params, } /* program SerDes, forced speed */ -static void bnx2x_program_serdes(struct link_params *params) +static void bnx2x_program_serdes(struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 reg_val; @@ -1248,28 +1241,35 @@ static void bnx2x_program_serdes(struct link_params *params) /* program speed - needed only if the speed is greater than 1G (2.5G or 10G) */ - if (!((params->req_line_speed == SPEED_1000) || - (params->req_line_speed == SPEED_100) || - (params->req_line_speed == SPEED_10))) { - CL45_RD_OVER_CL22(bp, params->port, + CL45_RD_OVER_CL22(bp, params->port, params->phy_addr, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_MISC1, ®_val); - /* clearing the speed value before setting the right speed */ - reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK; + /* 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 (params->req_line_speed == SPEED_10000) + if (vars->line_speed == SPEED_10000) reg_val |= MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; - if (params->req_line_speed == SPEED_13000) + if (vars->line_speed == SPEED_13000) reg_val |= MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G; - CL45_WR_OVER_CL22(bp, params->port, + } + + CL45_WR_OVER_CL22(bp, params->port, params->phy_addr, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_MISC1, reg_val); - } + } static void bnx2x_set_brcm_cl37_advertisment(struct link_params *params) @@ -1295,48 +1295,49 @@ static void bnx2x_set_brcm_cl37_advertisment(struct link_params *params) MDIO_OVER_1G_UP3, 0); } -static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params, - u32 *ieee_fc) +static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u32 *ieee_fc) { - struct bnx2x *bp = params->bp; - /* for AN, we are always publishing full duplex */ - u16 an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; - + *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 (params->req_flow_ctrl) { case FLOW_CTRL_AUTO: - if (params->mtu <= MAX_MTU_SIZE) { - an_adv |= + if (params->req_fc_auto_adv == FLOW_CTRL_BOTH) { + *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; } else { - an_adv |= + *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; } break; case FLOW_CTRL_TX: - an_adv |= + *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; break; case FLOW_CTRL_RX: case FLOW_CTRL_BOTH: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; + *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; break; case FLOW_CTRL_NONE: default: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; + *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; break; } +} - *ieee_fc = an_adv; +static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params, + u32 ieee_fc) +{ + struct bnx2x *bp = params->bp; + /* for AN, we are always publishing full duplex */ CL45_WR_OVER_CL22(bp, params->port, params->phy_addr, MDIO_REG_BANK_COMBO_IEEE0, - MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv); + MDIO_COMBO_IEEE0_AUTO_NEG_ADV, (u16)ieee_fc); } static void bnx2x_restart_autoneg(struct link_params *params) @@ -1382,7 +1383,8 @@ static void bnx2x_restart_autoneg(struct link_params *params) } } -static void bnx2x_initialize_sgmii_process(struct link_params *params) +static void bnx2x_initialize_sgmii_process(struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 control1; @@ -1406,7 +1408,7 @@ static void bnx2x_initialize_sgmii_process(struct link_params *params) control1); /* if forced speed */ - if (!(params->req_line_speed == SPEED_AUTO_NEG)) { + if (!(vars->line_speed == SPEED_AUTO_NEG)) { /* set speed, disable autoneg */ u16 mii_control; @@ -1419,7 +1421,7 @@ static void bnx2x_initialize_sgmii_process(struct link_params *params) MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); - switch (params->req_line_speed) { + switch (vars->line_speed) { case SPEED_100: mii_control |= MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; @@ -1433,8 +1435,8 @@ static void bnx2x_initialize_sgmii_process(struct link_params *params) break; default: /* invalid speed for SGMII */ - DP(NETIF_MSG_LINK, "Invalid req_line_speed 0x%x\n", - params->req_line_speed); + DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", + vars->line_speed); break; } @@ -1460,20 +1462,20 @@ static void bnx2x_initialize_sgmii_process(struct link_params *params) */ static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) -{ - switch (pause_result) { /* ASYM P ASYM P */ - case 0xb: /* 1 0 1 1 */ +{ /* LD LP */ + switch (pause_result) { /* ASYM P ASYM P */ + case 0xb: /* 1 0 1 1 */ vars->flow_ctrl = FLOW_CTRL_TX; break; - case 0xe: /* 1 1 1 0 */ + case 0xe: /* 1 1 1 0 */ vars->flow_ctrl = 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 */ + 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 = FLOW_CTRL_BOTH; break; @@ -1487,8 +1489,8 @@ static u8 bnx2x_ext_phy_resove_fc(struct link_params *params, { struct bnx2x *bp = params->bp; u8 ext_phy_addr; - u16 ld_pause; /* local */ - u16 lp_pause; /* link partner */ + u16 ld_pause; /* local */ + u16 lp_pause; /* link partner */ u16 an_complete; /* AN complete */ u16 pause_result; u8 ret = 0; @@ -1531,6 +1533,28 @@ static u8 bnx2x_ext_phy_resove_fc(struct link_params *params, DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n", pause_result); bnx2x_pause_resolve(vars, pause_result); + if (vars->flow_ctrl == FLOW_CTRL_NONE && + ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_FC_LD, &ld_pause); + + bnx2x_cl45_read(bp, port, + ext_phy_type, + ext_phy_addr, + 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); + } } return ret; } @@ -1573,13 +1597,10 @@ static void bnx2x_flow_ctrl_resolve(struct link_params *params, (bnx2x_ext_phy_resove_fc(params, vars))) { return; } else { - vars->flow_ctrl = params->req_flow_ctrl; - if (vars->flow_ctrl == FLOW_CTRL_AUTO) { - if (params->mtu <= MAX_MTU_SIZE) - vars->flow_ctrl = FLOW_CTRL_BOTH; - else - vars->flow_ctrl = FLOW_CTRL_TX; - } + if (params->req_flow_ctrl == FLOW_CTRL_AUTO) + vars->flow_ctrl = params->req_fc_auto_adv; + else + vars->flow_ctrl = params->req_flow_ctrl; } DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); } @@ -1690,7 +1711,11 @@ static u8 bnx2x_link_settings_status(struct link_params *params, vars->link_status |= LINK_STATUS_SERDES_LINK; - if (params->req_line_speed == SPEED_AUTO_NEG) { + if ((params->req_line_speed == SPEED_AUTO_NEG) && + ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) || + (XGXS_EXT_PHY_TYPE(params->ext_phy_config) == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705))) { vars->autoneg = AUTO_NEG_ENABLED; if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { @@ -1705,18 +1730,18 @@ static u8 bnx2x_link_settings_status(struct link_params *params, } if (vars->flow_ctrl & FLOW_CTRL_TX) - vars->link_status |= - LINK_STATUS_TX_FLOW_CONTROL_ENABLED; + vars->link_status |= + LINK_STATUS_TX_FLOW_CONTROL_ENABLED; if (vars->flow_ctrl & FLOW_CTRL_RX) - vars->link_status |= - LINK_STATUS_RX_FLOW_CONTROL_ENABLED; + vars->link_status |= + LINK_STATUS_RX_FLOW_CONTROL_ENABLED; } 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 = FLOW_CTRL_NONE; vars->autoneg = AUTO_NEG_DISABLED; @@ -2282,13 +2307,16 @@ static void bnx2x_ext_phy_set_pause(struct link_params *params, MDIO_AN_REG_ADV_PAUSE, &val); val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; + /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ - if (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 & + 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; @@ -2302,6 +2330,65 @@ static void bnx2x_ext_phy_set_pause(struct link_params *params, MDIO_AN_REG_ADV_PAUSE, val); } + +static void bnx2x_init_internal_phy(struct link_params *params, + struct link_vars *vars) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + if (!(vars->phy_flags & PHY_SGMII_FLAG)) { + u16 bank, rx_eq; + + rx_eq = ((params->serdes_config & + PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> + PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); + + DP(NETIF_MSG_LINK, "setting rx eq to 0x%x\n", rx_eq); + for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; + bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0)) { + CL45_WR_OVER_CL22(bp, port, + params->phy_addr, + bank , + MDIO_RX0_RX_EQ_BOOST, + ((rx_eq & + MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | + MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); + } + + /* forced speed requested? */ + if (vars->line_speed != SPEED_AUTO_NEG) { + DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); + + /* disable autoneg */ + bnx2x_set_autoneg(params, vars); + + /* program speed and duplex */ + bnx2x_program_serdes(params, vars); + + } else { /* AN_mode */ + DP(NETIF_MSG_LINK, "not SGMII, AN\n"); + + /* AN enabled */ + bnx2x_set_brcm_cl37_advertisment(params); + + /* program duplex & pause advertisement (for aneg) */ + bnx2x_set_ieee_aneg_advertisment(params, + vars->ieee_fc); + + /* enable autoneg */ + bnx2x_set_autoneg(params, vars); + + /* enable and restart AN */ + bnx2x_restart_autoneg(params); + } + + } else { /* SGMII mode */ + DP(NETIF_MSG_LINK, "SGMII\n"); + + bnx2x_initialize_sgmii_process(params, vars); + } +} + static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; @@ -2343,7 +2430,6 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) switch (ext_phy_type) { case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "XGXS Direct\n"); break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: @@ -2419,7 +2505,7 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) ext_phy_type, ext_phy_addr, MDIO_AN_DEVAD, - MDIO_AN_REG_CL37_FD, + MDIO_AN_REG_CL37_FC_LP, 0x0020); /* Enable CL37 AN */ bnx2x_cl45_write(bp, params->port, @@ -2595,13 +2681,13 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) ext_phy_type, ext_phy_addr, MDIO_AN_DEVAD, - MDIO_AN_REG_CL37_CL73, 0x040c); + MDIO_AN_REG_CL37_FC_LD, 0x040c); /* Add support for CL37 (passive mode) II */ bnx2x_cl45_write(bp, params->port, ext_phy_type, ext_phy_addr, MDIO_AN_DEVAD, - MDIO_AN_REG_CL37_FD, 0x20); + MDIO_AN_REG_CL37_FC_LD, 0x20); /* Add support for CL37 (passive mode) III */ bnx2x_cl45_write(bp, params->port, ext_phy_type, @@ -2701,10 +2787,7 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) } } else { /* SerDes */ -/* ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); -*/ + ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config); switch (ext_phy_type) { case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: @@ -2726,7 +2809,7 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) static u8 bnx2x_ext_phy_is_link_up(struct link_params *params, - struct link_vars *vars) + struct link_vars *vars) { struct bnx2x *bp = params->bp; u32 ext_phy_type; @@ -2767,6 +2850,8 @@ static u8 bnx2x_ext_phy_is_link_up(struct link_params *params, MDIO_PMA_REG_RX_SD, &rx_sd); DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd); ext_phy_link_up = (rx_sd & 0x1); + if (ext_phy_link_up) + vars->line_speed = SPEED_10000; break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: @@ -2810,6 +2895,13 @@ static u8 bnx2x_ext_phy_is_link_up(struct link_params *params, */ ext_phy_link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); + if (ext_phy_link_up) { + if (val2 & (1<<1)) + vars->line_speed = SPEED_1000; + else + vars->line_speed = SPEED_10000; + } + /* clear LASI indication*/ bnx2x_cl45_read(bp, params->port, ext_phy_type, ext_phy_addr, @@ -3006,6 +3098,7 @@ static u8 bnx2x_ext_phy_is_link_up(struct link_params *params, MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, &val2); + vars->line_speed = SPEED_10000; DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", val2, @@ -3181,7 +3274,8 @@ static u8 bnx2x_format_ver(u32 num, u8 *str, u16 len) } -static void bnx2x_turn_on_sf(struct bnx2x *bp, u8 port, u8 ext_phy_addr) +static void bnx2x_turn_on_ef(struct bnx2x *bp, u8 port, u8 ext_phy_addr, + u32 ext_phy_type) { u32 cnt = 0; u16 ctrl = 0; @@ -3205,7 +3299,7 @@ static void bnx2x_turn_on_sf(struct bnx2x *bp, u8 port, u8 ext_phy_addr) for (cnt = 0; cnt < 1000; cnt++) { msleep(1); bnx2x_cl45_read(bp, port, - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, + ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, @@ -3253,7 +3347,8 @@ u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, /* Take ext phy out of reset */ if (!driver_loaded) - bnx2x_turn_on_sf(bp, params->port, ext_phy_addr); + bnx2x_turn_on_ef(bp, params->port, ext_phy_addr, + ext_phy_type); /* wait for 1ms */ msleep(1); @@ -3281,6 +3376,11 @@ u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: { + /* Take ext phy out of reset */ + if (!driver_loaded) + bnx2x_turn_on_ef(bp, params->port, ext_phy_addr, + ext_phy_type); + bnx2x_cl45_read(bp, params->port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD, @@ -3622,7 +3722,8 @@ static u8 bnx2x_link_initialize(struct link_params *params, struct bnx2x *bp = params->bp; u8 port = params->port; u8 rc = 0; - + u8 non_ext_phy; + u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); /* Activate the external PHY */ bnx2x_ext_phy_reset(params, vars); @@ -3644,10 +3745,6 @@ static u8 bnx2x_link_initialize(struct link_params *params, bnx2x_set_swap_lanes(params); } - /* Set Parallel Detect */ - if (params->req_line_speed == SPEED_AUTO_NEG) - bnx2x_set_parallel_detection(params, vars->phy_flags); - if (vars->phy_flags & PHY_XGXS_FLAG) { if (params->req_line_speed && ((params->req_line_speed == SPEED_100) || @@ -3657,68 +3754,33 @@ static u8 bnx2x_link_initialize(struct link_params *params, vars->phy_flags &= ~PHY_SGMII_FLAG; } } + /* In case of external phy existance, 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->req_line_speed; - if (!(vars->phy_flags & PHY_SGMII_FLAG)) { - u16 bank, rx_eq; - - rx_eq = ((params->serdes_config & - PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> - PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); - - DP(NETIF_MSG_LINK, "setting rx eq to 0x%x\n", rx_eq); - for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; - bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0)) { - CL45_WR_OVER_CL22(bp, port, - params->phy_addr, - bank , - MDIO_RX0_RX_EQ_BOOST, - ((rx_eq & - MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | - MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); - } - - /* forced speed requested? */ - if (params->req_line_speed != SPEED_AUTO_NEG) { - DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); - - /* disable autoneg */ - bnx2x_set_autoneg(params, vars); + bnx2x_calc_ieee_aneg_adv(params, &vars->ieee_fc); - /* program speed and duplex */ - bnx2x_program_serdes(params); - vars->ieee_fc = - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; - - } else { /* AN_mode */ - DP(NETIF_MSG_LINK, "not SGMII, AN\n"); - - /* AN enabled */ - bnx2x_set_brcm_cl37_advertisment(params); - - /* program duplex & pause advertisement (for aneg) */ - bnx2x_set_ieee_aneg_advertisment(params, - &vars->ieee_fc); - - /* enable autoneg */ - bnx2x_set_autoneg(params, vars); - - /* enable and restart AN */ - bnx2x_restart_autoneg(params); - } - - } else { /* SGMII mode */ - DP(NETIF_MSG_LINK, "SGMII\n"); - - bnx2x_initialize_sgmii_process(params); + /* init ext phy and enable link state int */ + non_ext_phy = ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) || + (params->loopback_mode == LOOPBACK_XGXS_10) || + (params->loopback_mode == LOOPBACK_EXT_PHY)); + + if (non_ext_phy || + (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705)) { + if (params->req_line_speed == SPEED_AUTO_NEG) + bnx2x_set_parallel_detection(params, vars->phy_flags); + bnx2x_init_internal_phy(params, vars); } - /* init ext phy and enable link state int */ - rc |= bnx2x_ext_phy_init(params, vars); + if (!non_ext_phy) + rc |= bnx2x_ext_phy_init(params, vars); 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)); + (NIG_STATUS_XGXS0_LINK10G | + NIG_STATUS_XGXS0_LINK_STATUS | + NIG_STATUS_SERDES0_LINK_STATUS)); return rc; @@ -3734,6 +3796,13 @@ u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars) DP(NETIF_MSG_LINK, "req_speed = %d, req_flowctrl=%d\n", params->req_line_speed, params->req_flow_ctrl); vars->link_status = 0; + vars->phy_link_up = 0; + vars->link_up = 0; + vars->line_speed = 0; + vars->duplex = DUPLEX_FULL; + vars->flow_ctrl = FLOW_CTRL_NONE; + vars->mac_type = MAC_TYPE_NONE; + if (params->switch_cfg == SWITCH_CFG_1G) vars->phy_flags = PHY_SERDES_FLAG; else @@ -3894,6 +3963,7 @@ u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars) } bnx2x_link_initialize(params, vars); + msleep(30); bnx2x_link_int_enable(params); } return 0; @@ -3949,33 +4019,13 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars) MISC_REGISTERS_GPIO_OUTPUT_LOW); DP(NETIF_MSG_LINK, "reset external PHY\n"); - } else { - - u8 ext_phy_addr = ((ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - - /* SW reset */ - bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, - MDIO_PMA_DEVAD, - MDIO_PMA_REG_CTRL, - 1<<15); - - /* Set Low Power Mode */ - bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr, - MDIO_PMA_DEVAD, - MDIO_PMA_REG_CTRL, - 1<<11); - - - if (ext_phy_type == - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { - DP(NETIF_MSG_LINK, "Setting 8073 port %d into" + } else if (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) { + DP(NETIF_MSG_LINK, "Setting 8073 port %d into " "low power mode\n", port); bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, MISC_REGISTERS_GPIO_OUTPUT_LOW); - } } } /* reset the SerDes/XGXS */ @@ -3995,6 +4045,73 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars) return 0; } +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(bp, port, LED_MODE_OFF, + 0, params->hw_led_mode, + params->chip_id); + + /* 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); + + /* 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, u32 gp_status) +{ + struct bnx2x *bp = params->bp; + u8 port = params->port; + u8 rc = 0; + vars->link_status |= LINK_STATUS_LINK_UP; + if (link_10g) { + bnx2x_bmac_enable(params, vars, 0); + bnx2x_set_led(bp, port, LED_MODE_OPER, + SPEED_10000, params->hw_led_mode, + params->chip_id); + + } else { + bnx2x_emac_enable(params, vars, 0); + rc = bnx2x_emac_program(params, vars->line_speed, + vars->duplex); + + /* AN complete? */ + if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { + if (!(vars->phy_flags & + PHY_SGMII_FLAG)) + bnx2x_set_sgmii_tx_driver(params); + } + } + + /* PBF - link up */ + 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); + return rc; +} /* This function should called upon link interrupt */ /* In case vars->link_up, driver needs to 1. Update the pbf @@ -4012,10 +4129,10 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port = params->port; - u16 i; u16 gp_status; - u16 link_10g; - u8 rc = 0; + u8 link_10g; + u8 ext_phy_link_up, rc = 0; + u32 ext_phy_type; DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", port, @@ -4031,15 +4148,16 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); - /* avoid fast toggling */ - for (i = 0; i < 10; i++) { - msleep(10); - CL45_RD_OVER_CL22(bp, port, params->phy_addr, - MDIO_REG_BANK_GP_STATUS, - MDIO_GP_STATUS_TOP_AN_STATUS1, - &gp_status); - } + /* Check external link change only for non-direct */ + ext_phy_link_up = bnx2x_ext_phy_is_link_up(params, vars); + + /* Read gp_status */ + CL45_RD_OVER_CL22(bp, port, params->phy_addr, + MDIO_REG_BANK_GP_STATUS, + MDIO_GP_STATUS_TOP_AN_STATUS1, + &gp_status); rc = bnx2x_link_settings_status(params, vars, gp_status); if (rc != 0) @@ -4055,69 +4173,25 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) bnx2x_link_int_ack(params, vars, link_10g); - /* link is up only if both local phy and external phy are up */ - vars->link_up = (vars->phy_link_up && - bnx2x_ext_phy_is_link_up(params, vars)); - - if (!vars->phy_link_up && - REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18)) { - bnx2x_ext_phy_is_link_up(params, vars); /* Clear interrupt */ - } - - if (vars->link_up) { - vars->link_status |= LINK_STATUS_LINK_UP; - if (link_10g) { - bnx2x_bmac_enable(params, vars, 0); - bnx2x_set_led(bp, port, LED_MODE_OPER, - SPEED_10000, params->hw_led_mode, - params->chip_id); - - } else { - bnx2x_emac_enable(params, vars, 0); - rc = bnx2x_emac_program(params, vars->line_speed, - vars->duplex); - - /* AN complete? */ - if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { - if (!(vars->phy_flags & - PHY_SGMII_FLAG)) - bnx2x_set_sgmii_tx_driver(params); - } - } - - /* PBF - link up */ - rc |= bnx2x_pbf_update(params, vars->flow_ctrl, - vars->line_speed); - - /* disable drain */ - REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); + /* 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 to + initialize it*/ - /* update shared memory */ - bnx2x_update_mng(params, vars->link_status); - - } else { /* link down */ - DP(NETIF_MSG_LINK, "Port %x: Link is down\n", params->port); - bnx2x_set_led(bp, port, LED_MODE_OFF, - 0, params->hw_led_mode, - params->chip_id); - - /* indicate no mac active */ - vars->mac_type = MAC_TYPE_NONE; + if ((ext_phy_type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) && + (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) && + (ext_phy_link_up && !vars->phy_link_up)) + bnx2x_init_internal_phy(params, vars); - /* update shared memory */ - vars->link_status = 0; - bnx2x_update_mng(params, vars->link_status); - - /* activate nig drain */ - REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); - - /* 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)); + /* link is up only if both local phy and external phy are up */ + vars->link_up = (ext_phy_link_up && vars->phy_link_up); - } + if (vars->link_up) + rc = bnx2x_update_link_up(params, vars, link_10g, gp_status); + else + rc = bnx2x_update_link_down(params, vars); return rc; } @@ -4508,7 +4582,7 @@ u8 bnx2x_flash_download(struct bnx2x *bp, u8 port, u32 ext_phy_config, case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: /* Take ext phy out of reset */ if (!driver_loaded) - bnx2x_turn_on_sf(bp, port, ext_phy_addr); + bnx2x_turn_on_ef(bp, port, ext_phy_addr, ext_phy_type); rc = bnx2x_sfx7101_flash_download(bp, port, ext_phy_addr, data, size); if (!driver_loaded)