From 7c786065b12344ada19e11fa1043555dfeda478a Mon Sep 17 00:00:00 2001 From: Nithin Sujir Date: Fri, 6 Dec 2013 09:53:17 -0800 Subject: [PATCH] tg3: Add flag to disable 1G Half Duplex advertisement Some link partners have issues if the non-standard 1G half duplex is advertised. This patch adds support for an nvram setting to disable the advertisement. Signed-off-by: Nithin Nayak Sujir Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/tg3.c | 28 +++++++++++++++++++++------- drivers/net/ethernet/broadcom/tg3.h | 4 ++++ 2 files changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 886d50b72cde..e8847ccc6399 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -4403,9 +4403,12 @@ static void tg3_phy_copper_begin(struct tg3 *tp) if (tg3_flag(tp, WOL_SPEED_100MB)) adv |= ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; - if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) - adv |= ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full; + if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) { + if (!(tp->phy_flags & + TG3_PHYFLG_DISABLE_1G_HD_ADV)) + adv |= ADVERTISED_1000baseT_Half; + adv |= ADVERTISED_1000baseT_Full; + } fc = FLOW_CTRL_TX | FLOW_CTRL_RX; } else { @@ -14917,7 +14920,8 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); if (val == NIC_SRAM_DATA_SIG_MAGIC) { u32 nic_cfg, led_cfg; - u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id; + u32 cfg2 = 0, cfg4 = 0, cfg5 = 0; + u32 nic_phy_id, ver, eeprom_phy_id; int eeprom_phy_serdes = 0; tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg); @@ -14934,6 +14938,11 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) if (tg3_asic_rev(tp) == ASIC_REV_5785) tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4); + if (tg3_asic_rev(tp) == ASIC_REV_5717 || + tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) + tg3_read_mem(tp, NIC_SRAM_DATA_CFG_5, &cfg5); + if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) == NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER) eeprom_phy_serdes = 1; @@ -15086,6 +15095,9 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN); if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN) tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN); + + if (cfg5 & NIC_SRAM_DISABLE_1G_HALF_ADV) + tp->phy_flags |= TG3_PHYFLG_DISABLE_1G_HD_ADV; } done: if (tg3_flag(tp, WOL_CAP)) @@ -15181,9 +15193,11 @@ static void tg3_phy_init_link_config(struct tg3 *tp) { u32 adv = ADVERTISED_Autoneg; - if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) - adv |= ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full; + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + if (!(tp->phy_flags & TG3_PHYFLG_DISABLE_1G_HD_ADV)) + adv |= ADVERTISED_1000baseT_Half; + adv |= ADVERTISED_1000baseT_Full; + } if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) adv |= ADVERTISED_100baseT_Half | diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 5c3835aa1e1b..e128f37282d7 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -2226,6 +2226,9 @@ #define NIC_SRAM_CPMUSTAT_SIG 0x0000362c #define NIC_SRAM_CPMUSTAT_SIG_MSK 0x0000ffff +#define NIC_SRAM_DATA_CFG_5 0x00000e0c +#define NIC_SRAM_DISABLE_1G_HALF_ADV 0x00000002 + #define NIC_SRAM_RX_MINI_BUFFER_DESC 0x00001000 #define NIC_SRAM_DMA_DESC_POOL_BASE 0x00002000 @@ -3325,6 +3328,7 @@ struct tg3 { #define TG3_PHYFLG_1G_ON_VAUX_OK 0x00080000 #define TG3_PHYFLG_KEEP_LINK_ON_PWRDN 0x00100000 #define TG3_PHYFLG_MDIX_STATE 0x00200000 +#define TG3_PHYFLG_DISABLE_1G_HD_ADV 0x00400000 u32 led_ctrl; u32 phy_otp; -- GitLab