Hi, All,
I'm not sure who would be the maintainer should I ask for review, and no
comments till now.
Could the patch be applied?
Thanks!
Best Regards,
Shaohui Xie
> -----Original Message-----
> From: Xie Shaohui-B21989
> Sent: Tuesday, December 18, 2012 2:11 PM
> To: u-boot@lists.denx.de
> Cc: Xie Shaohui-B21989
> Subject: [PATCH] net/phy: fix select line for TN80xx
>
> TN80xx has same PHY ID as TN2020, but it needs different setting to
> register
> 30.93 which used to select line, so we read register 30.32 which has bit
> 15:12 to indicate PHY hardware version, for TN20xx we will get 3 or 2,
> for TN80xx we will get 5 or 4.
>
> Signed-off-by: Shaohui Xie <shaohui....@freescale.com>
> ---
> drivers/net/phy/teranetics.c | 15 +++++++++++++--
> 1 files changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/phy/teranetics.c b/drivers/net/phy/teranetics.c
> index 78447b7..c0f13b8 100644
> --- a/drivers/net/phy/teranetics.c
> +++ b/drivers/net/phy/teranetics.c
> @@ -34,9 +34,20 @@ int tn2020_config(struct phy_device *phydev)
> unsigned short restart_an = (MDIO_AN_CTRL1_RESTART |
> MDIO_AN_CTRL1_ENABLE |
> MDIO_AN_CTRL1_XNP);
> + u8 phy_hwversion;
>
> - phy_write(phydev, 30, 93, 2);
> - phy_write(phydev, MDIO_MMD_AN, MDIO_CTRL1, restart_an);
> + /*
> + * bit 15:12 of register 30.32 indicates PHY hardware
> + * version. It can be used to distinguish TN80xx from
> + * TN2020. TN2020 needs write 0x2 to 30.93, but TN80xx
> + * needs 0x1.
> + */
> + phy_hwversion = (phy_read(phydev, 30, 32) >> 12) & 0xf;
> + if (phy_hwversion <= 3) {
> + phy_write(phydev, 30, 93, 2);
> + phy_write(phydev, MDIO_MMD_AN, MDIO_CTRL1, restart_an);
> + } else
> + phy_write(phydev, 30, 93, 1);
> }
>
> return 0;
> --
> 1.6.4
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