diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/amd-xgbe-phy.c | 44 |
1 files changed, 33 insertions, 11 deletions
diff --git a/drivers/net/phy/amd-xgbe-phy.c b/drivers/net/phy/amd-xgbe-phy.c index 7fde5088c797..7207f361fa02 100644 --- a/drivers/net/phy/amd-xgbe-phy.c +++ b/drivers/net/phy/amd-xgbe-phy.c @@ -99,10 +99,21 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver"); #define XGBE_PHY_RATECHANGE_COUNT 500 +#define XGBE_PHY_KR_TRAINING_START 0x01 +#define XGBE_PHY_KR_TRAINING_ENABLE 0x02 + +#define XGBE_PHY_FEC_ENABLE 0x01 +#define XGBE_PHY_FEC_FORWARD 0x02 +#define XGBE_PHY_FEC_MASK 0x03 + #ifndef MDIO_PMA_10GBR_PMD_CTRL #define MDIO_PMA_10GBR_PMD_CTRL 0x0096 #endif +#ifndef MDIO_PMA_10GBR_FEC_ABILITY +#define MDIO_PMA_10GBR_FEC_ABILITY 0x00aa +#endif + #ifndef MDIO_PMA_10GBR_FEC_CTRL #define MDIO_PMA_10GBR_FEC_CTRL 0x00ab #endif @@ -345,6 +356,7 @@ struct amd_xgbe_phy_priv { struct workqueue_struct *an_workqueue; unsigned int an_supported; unsigned int parallel_detect; + unsigned int fec_ability; unsigned int lpm_ctrl; /* CTRL1 for resume */ }; @@ -357,7 +369,7 @@ static int amd_xgbe_an_enable_kr_training(struct phy_device *phydev) if (ret < 0) return ret; - ret |= 0x02; + ret |= XGBE_PHY_KR_TRAINING_ENABLE; phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, ret); return 0; @@ -371,7 +383,7 @@ static int amd_xgbe_an_disable_kr_training(struct phy_device *phydev) if (ret < 0) return ret; - ret &= ~0x02; + ret &= ~XGBE_PHY_KR_TRAINING_ENABLE; phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, ret); return 0; @@ -690,10 +702,9 @@ static enum amd_xgbe_phy_an amd_xgbe_an_tx_training(struct phy_device *phydev, if (ret < 0) return AMD_XGBE_AN_ERROR; + ret &= ~XGBE_PHY_FEC_MASK; if ((ad_reg & 0xc000) && (lp_reg & 0xc000)) - ret |= 0x01; - else - ret &= ~0x01; + ret |= priv->fec_ability; phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_CTRL, ret); @@ -702,12 +713,15 @@ static enum amd_xgbe_phy_an amd_xgbe_an_tx_training(struct phy_device *phydev, if (ret < 0) return AMD_XGBE_AN_ERROR; - XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 1); + if (ret & XGBE_PHY_KR_TRAINING_ENABLE) { + XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 1); - ret |= 0x01; - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, ret); + ret |= XGBE_PHY_KR_TRAINING_START; + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, + ret); - XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 0); + XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 0); + } return AMD_XGBE_AN_PAGE_RECEIVED; } @@ -1092,12 +1106,16 @@ static int amd_xgbe_phy_config_init(struct phy_device *phydev) priv->an_irq_allocated = 1; } + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_ABILITY); + if (ret < 0) + return ret; + priv->fec_ability = ret & XGBE_PHY_FEC_MASK; + /* Initialize supported features */ phydev->supported = SUPPORTED_Autoneg; phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; phydev->supported |= SUPPORTED_Backplane; - phydev->supported |= SUPPORTED_10000baseKR_Full | - SUPPORTED_10000baseR_FEC; + phydev->supported |= SUPPORTED_10000baseKR_Full; switch (priv->speed_set) { case AMD_XGBE_PHY_SPEEDSET_1000_10000: phydev->supported |= SUPPORTED_1000baseKX_Full; @@ -1106,6 +1124,10 @@ static int amd_xgbe_phy_config_init(struct phy_device *phydev) phydev->supported |= SUPPORTED_2500baseX_Full; break; } + + if (priv->fec_ability & XGBE_PHY_FEC_ENABLE) + phydev->supported |= SUPPORTED_10000baseR_FEC; + phydev->advertising = phydev->supported; /* Set initial mode - call the mode setting routines |
