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add support for Xilinx 1000BASE-X phy (GTX) 

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)

Signed-off-by: Charles Coldwell <coldwell@ll.mit.edu>
utp
Charles Coldwell 2013-02-21 08:25:52 -05:00 committed by Joe Hershberger
parent 5da7cf81c8
commit de1d786edf
3 changed files with 27 additions and 0 deletions
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21
drivers/net/phy/phy.c
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@ -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 @@ 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 +332,18 @@ 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 +401,10 @@ 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;

4
include/linux/ethtool.h
View File

@ -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

2
include/linux/mii.h
View File

@ -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 */