On Jan 14, 2010, at 2:13 AM, Liu Yu wrote:
> Signed-off-by: Liu Yu <yu....@freescale.com>
> ---
> drivers/net/phy/marvell.c | 38 ++++++++++++++++++++++++++++++++++++++
> 1 files changed, 38 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
> index 6f69b9b..65ed385 100644
> --- a/drivers/net/phy/marvell.c
> +++ b/drivers/net/phy/marvell.c
> @@ -63,6 +63,7 @@
> #define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
> #define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
> #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
> +#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
> #define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
> #define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
>
> @@ -269,6 +270,43 @@ static int m88e1111_config_init(struct phy_device
> *phydev)
> return err;
> }
>
> + if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
> + temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
> + if (temp < 0)
> + return temp;
> + temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
> + err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
> + if (err < 0)
> + return err;
> +
> + temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
> + if (temp < 0)
> + return temp;
> + temp &= ~(MII_M1111_HWCFG_MODE_MASK |
> MII_M1111_HWCFG_FIBER_COPPER_RES);
> + temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
Does this magic 0x7 have some meaning?
> + err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
> + if (err < 0)
> + return err;
> +
> + /* soft reset */
> + err = phy_write(phydev, MII_BMCR, BMCR_RESET);
> + if (err < 0)
> + return err;
> + do
> + temp = phy_read(phydev, MII_BMCR);
> + while (temp & BMCR_RESET);
> +
> + temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
> + if (temp < 0)
> + return temp;
> + temp &= ~(MII_M1111_HWCFG_MODE_MASK |
> MII_M1111_HWCFG_FIBER_COPPER_RES);
> + temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI |
> MII_M1111_HWCFG_FIBER_COPPER_AUTO;
> + err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
> + if (err < 0)
> + return err;
> + }
> +
> +
> err = phy_write(phydev, MII_BMCR, BMCR_RESET);
> if (err < 0)
> return err;
> --
> 1.6.4
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