[PATCH] net fec_imx: add support for i.MX6 1000Mbps mode
Sascha Hauer
s.hauer at pengutronix.de
Mon Feb 11 03:51:29 EST 2013
On Thu, Feb 07, 2013 at 11:06:06AM +0100, Hubert Feurstein wrote:
> 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(-)
Applied, thanks
Sascha
>
> 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
>
>
--
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