[PATCH] net fec_imx: add support for i.MX6 1000Mbps mode

[Hubert Feurstein]

Any comments on this?

2013/2/7 Hubert Feurstein <h.feurstein at gmail.com>:
> Signed-off-by: Hubert Feurstein <h.feurstein at gmail.com>
> ---
>  drivers/net/fec_imx.c | 14 ++++++++++----
>  drivers/net/fec_imx.h |  1 +
>  2 files changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
> index 2378a19..7320f07 100644
> --- a/drivers/net/fec_imx.c
> +++ b/drivers/net/fec_imx.c
> @@ -361,12 +361,18 @@ static int fec_init(struct eth_device *dev)
>  static void fec_update_linkspeed(struct eth_device *edev)
>  {
>         struct fec_priv *fec = (struct fec_priv *)edev->priv;
> +       int speed = edev->phydev->speed;
> +       u32 rcntl = readl(fec->regs + FEC_R_CNTRL) & ~FEC_R_CNTRL_RMII_10T;
> +       u32 ecntl = readl(fec->regs + FEC_ECNTRL) & ~FEC_ECNTRL_SPEED;
>
> -       if (edev->phydev->speed == SPEED_10) {
> -               u32 rcntl = readl(fec->regs + FEC_R_CNTRL);
> +       if (speed == SPEED_10)
>                 rcntl |= FEC_R_CNTRL_RMII_10T;
> -               writel(rcntl, fec->regs + FEC_R_CNTRL);
> -       }
> +
> +       if (speed == SPEED_1000)
> +               ecntl |= FEC_ECNTRL_SPEED;
> +
> +       writel(rcntl, fec->regs + FEC_R_CNTRL);
> +       writel(ecntl, fec->regs + FEC_ECNTRL);
>  }
>
>  /**
> diff --git a/drivers/net/fec_imx.h b/drivers/net/fec_imx.h
> index 1eb1eba..29aea85 100644
> --- a/drivers/net/fec_imx.h
> +++ b/drivers/net/fec_imx.h
> @@ -92,6 +92,7 @@
>
>  #define FEC_ECNTRL_RESET                0x00000001     /**< reset the FEC */
>  #define FEC_ECNTRL_ETHER_EN             0x00000002     /**< enable the FEC */
> +#define FEC_ECNTRL_SPEED                0x00000020     /**< i.MX6: enable 1000Mbps mode */
>
>  /**
>   * @brief Descriptor buffer alignment
> --
> 1.8.1
>