[PATCH v2 1/7] sata-imx: i.MX53, use the internal 120MHz clock by default

Sascha Hauer s.hauer at pengutronix.de
Mon Mar 10 03:09:57 EDT 2014


On Fri, Mar 07, 2014 at 11:39:57AM +0100, Eric Bénard wrote:
> this allows SATA to work on i.MX53 QSB-R :
> barebox at Freescale i.MX53 Quick Start-R Board:/ ata0.probe=1
> imx-sata 10000000.sata: port 0: SATA link ok
> imx-sata 10000000.sata: port 0: Spinning up device...
> imx-sata 10000000.sata: port 0: ok.
> ata0: registered /dev/ata0
> 
> before this fix the log was :
> barebox at Freescale i.MX53 Quick Start-R Board:/ ata0.probe=1
> imx-sata 10000000.sata: port 0: SATA link timeout
> set parameter: Connection timed out
> 
> Signed-off-by: Eric Bénard <eric at eukrea.com>
> ---
>  drivers/ata/sata-imx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/ata/sata-imx.c b/drivers/ata/sata-imx.c
> index b7bd110..450cf4f 100644
> --- a/drivers/ata/sata-imx.c
> +++ b/drivers/ata/sata-imx.c
> @@ -59,7 +59,7 @@ static int imx53_sata_init(struct imx_ahci *imx_ahci)
>  	 */
>  	val = readl(base + 0x180c);
>  	val &= (0x3 << 1);
> -	val |= (0x1 << 1);
> +	val |= (0x2 << 1);
>  	writel(val, base + 0x180c);

I haven't applied this yet. Have you tested this on the regular (not -R)
variant of the board? If not I'd like to do that before applying.

Sascha

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