commit 39695029bc15041c809df3db4ba19bd729c447fa Author: Charles Coldwell coldwell@ll.mit.edu Date: Tue Feb 19 08:27:33 2013 -0500

Changes to support the Xilinx 1000BASE-X phy (GTX/MGT)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d0ed766..8a38ccb 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -75,6 +75,10 @@ static int genphy_config_advert(struct phy_device *phydev) adv |= ADVERTISE_PAUSE_CAP; if (advertise & ADVERTISED_Asym_Pause) adv |= ADVERTISE_PAUSE_ASYM; + if (advertise & ADVERTISED_1000baseX_Half) + adv |= ADVERTISE_1000XHALF; + if (advertise & ADVERTISED_1000baseX_Full) + adv |= ADVERTISE_1000XFULL;

if (adv != oldadv) { err = phy_write(phydev, MDIO_DEVAD_NONE, MII_ADVERTISE, adv); @@ -288,6 +292,7 @@ static int genphy_parse_link(struct phy_device *phydev) if (mii_reg & BMSR_ANEGCAPABLE) { u32 lpa = 0; u32 gblpa = 0; + u32 estatus = 0;

/* Check for gigabit capability */ if (mii_reg & BMSR_ERCAP) { @@ -327,6 +332,17 @@ static int genphy_parse_link(struct phy_device *phydev)

} else if (lpa & LPA_10FULL) phydev->duplex = DUPLEX_FULL; + + if (mii_reg & BMSR_ESTATEN) + estatus = phy_read(phydev, MDIO_DEVAD_NONE, MII_ESTATUS); + + if (estatus & (ESTATUS_1000_XFULL | ESTATUS_1000_XHALF | + ESTATUS_1000_TFULL | ESTATUS_1000_THALF)) { + phydev->speed = SPEED_1000; + if (estatus & (ESTATUS_1000_XFULL | ESTATUS_1000_TFULL)) + phydev->duplex = DUPLEX_FULL; + } + } else { u32 bmcr = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);

@@ -384,6 +400,10 @@ int genphy_config(struct phy_device *phydev) features |= SUPPORTED_1000baseT_Full; if (val & ESTATUS_1000_THALF) features |= SUPPORTED_1000baseT_Half; + if (val & ESTATUS_1000_XFULL) + features |= SUPPORTED_1000baseX_Full; + if (val & ESTATUS_1000_XHALF) + features |= SUPPORTED_1000baseX_Full; }

phydev->supported = features; diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index fcb20fe..f6dbdb0 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -580,6 +580,8 @@ enum ethtool_sfeatures_retval_bits { #define SUPPORTED_10000baseKX4_Full (1 << 18) #define SUPPORTED_10000baseKR_Full (1 << 19) #define SUPPORTED_10000baseR_FEC (1 << 20) +#define SUPPORTED_1000baseX_Half (1 << 21) +#define SUPPORTED_1000baseX_Full (1 << 22)

/* Indicates what features are advertised by the interface. */ #define ADVERTISED_10baseT_Half (1 << 0) @@ -603,6 +605,8 @@ enum ethtool_sfeatures_retval_bits { #define ADVERTISED_10000baseKX4_Full (1 << 18) #define ADVERTISED_10000baseKR_Full (1 << 19) #define ADVERTISED_10000baseR_FEC (1 << 20) +#define ADVERTISED_1000baseX_Half (1 << 21) +#define ADVERTISED_1000baseX_Full (1 << 22)

/* The following are all involved in forcing a particular link * mode for the device for setting things. When getting the diff --git a/include/linux/mii.h b/include/linux/mii.h index 8b92692..66b83d8 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -115,6 +115,8 @@ #define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ #define EXPANSION_RESV 0xffe0 /* Unused... */

+#define ESTATUS_1000_XFULL 0x8000 /* Can do 1000BX Full */ +#define ESTATUS_1000_XHALF 0x4000 /* Can do 1000BX Half */ #define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */