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Code Issues Releases Activity

Teach the PHY register path about the different MDIO bus address

Browse Source 
for the AR8327.

Tested:

* AR8327, DB120
This commit is contained in:
Adrian Chadd 2014-02-19 06:02:47 +00:00
parent e3ba3a89ab
commit e765499eed
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=262205
1 changed files with 17 additions and 5 deletions
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22
sys/dev/etherswitch/arswitch/arswitch_phy.c
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@ -76,6 +76,7 @@ arswitch_readphy(device_t dev, int phy, int reg)
struct arswitch_softc *sc;
uint32_t data = 0, ctrl;
int err, timeout;
uint32_t a;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
@ -85,8 +86,13 @@ arswitch_readphy(device_t dev, int phy, int reg)
if (reg < 0 || reg >= 32)
return (ENXIO);
if (AR8X16_IS_SWITCH(sc, AR8327))
a = AR8327_REG_MDIO_CTRL;
else
a = AR8X16_REG_MDIO_CTRL;
ARSWITCH_LOCK(sc);
err = arswitch_writereg_msb(dev, AR8X16_REG_MDIO_CTRL,
err = arswitch_writereg_msb(dev, a,
AR8X16_MDIO_CTRL_BUSY | AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_READ |
(phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |
@ -95,13 +101,13 @@ arswitch_readphy(device_t dev, int phy, int reg)
if (err != 0)
goto fail;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg_msb(dev, AR8X16_REG_MDIO_CTRL);
ctrl = arswitch_readreg_msb(dev, a);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}
if (timeout < 0)
goto fail;
data = arswitch_readreg_lsb(dev, AR8X16_REG_MDIO_CTRL) &
data = arswitch_readreg_lsb(dev, a) &
AR8X16_MDIO_CTRL_DATA_MASK;
ARSWITCH_UNLOCK(sc);
return (data);
@ -117,6 +123,7 @@ arswitch_writephy(device_t dev, int phy, int reg, int data)
struct arswitch_softc *sc;
uint32_t ctrl;
int err, timeout;
uint32_t a;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
@ -124,8 +131,13 @@ arswitch_writephy(device_t dev, int phy, int reg, int data)
if (reg < 0 || reg >= 32)
return (ENXIO);
if (AR8X16_IS_SWITCH(sc, AR8327))
a = AR8327_REG_MDIO_CTRL;
else
a = AR8X16_REG_MDIO_CTRL;
ARSWITCH_LOCK(sc);
err = arswitch_writereg(dev, AR8X16_REG_MDIO_CTRL,
err = arswitch_writereg(dev, a,
AR8X16_MDIO_CTRL_BUSY |
AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_WRITE |
@ -135,7 +147,7 @@ arswitch_writephy(device_t dev, int phy, int reg, int data)
if (err != 0)
goto out;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg(dev, AR8X16_REG_MDIO_CTRL);
ctrl = arswitch_readreg(dev, a);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}