On Fri, Jan 12, 2018 at 02:27:55PM +1300, Chris Packham wrote:
> The Armada 38x and other integrated SoCs use a reduced pin count so the
> width of the SDRAM interface is smaller than the Armada XP SoCs. This
> means that the definition of "full" and "half" width is reduced from
> 64/32 to 32/16.
> 
> Signed-off-by: Chris Packham <[email protected]>
> ---
>  drivers/edac/armada_xp_edac.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/edac/armada_xp_edac.c b/drivers/edac/armada_xp_edac.c
> index 70cff01afc8d..03a18b54467a 100644
> --- a/drivers/edac/armada_xp_edac.c
> +++ b/drivers/edac/armada_xp_edac.c
> @@ -341,6 +341,11 @@ static int axp_mc_probe(struct platform_device *pdev)
>  
>       axp_mc_read_config(mci);
>  
> +     /* These SoCs have a reduced width bus */
> +     if (of_machine_is_compatible("marvell,armada380") ||
> +         of_machine_is_compatible("marvell,armadaxp-98dx3236"))
> +             drvdata->width /= 2;
> +
>       /* configure SBE threshold */
>       /* it seems that SBEs are not captured otherwise */
>       writel(1 << SDRAM_ERR_CTRL_THR_OFFSET, drvdata->base + 
> SDRAM_ERR_CTRL_REG);
> -- 

Reviewed-by: Borislav Petkov <[email protected]>

-- 
Regards/Gruss,
    Boris.

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