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generic: ar8216: add a helper function for writing PHY debug registers

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SVN-Revision: 30884
This commit is contained in:
Gabor Juhos 2012-03-11 16:49:35 +00:00
parent dad19ac8b2
commit 77d0a8ca85
1 changed files with 15 additions and 6 deletions
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21
target/linux/generic/files/drivers/net/phy/ar8216.c
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@ -118,6 +118,18 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
mutex_unlock(&bus->mdio_lock);
}
static void
ar8216_phy_dbg_write(struct ar8216_priv *priv, int phy_addr,
u16 dbg_addr, u16 dbg_data)
{
struct mii_bus *bus = priv->phy->bus;
mutex_lock(&bus->mdio_lock);
bus->write(bus, phy_addr, MII_ATH_DBG_ADDR, dbg_addr);
bus->write(bus, phy_addr, MII_ATH_DBG_DATA, dbg_data);
mutex_unlock(&bus->mdio_lock);
}
static u32
ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
{
@ -719,14 +731,11 @@ ar8316_hw_init(struct ar8216_priv *priv)
if ((i == 4) && priv->port4_phy &&
priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
/* work around for phy4 rgmii mode */
mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x12);
mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x480c);
ar8216_phy_dbg_write(priv, i, 0x12, 0x480c);
/* rx delay */
mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x0);
mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x824e);
ar8216_phy_dbg_write(priv, i, 0x0, 0x824e);
/* tx delay */
mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x5);
mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x3d47);
ar8216_phy_dbg_write(priv, i, 0x5, 0x3d47);
msleep(1000);
}