[U-Boot] [PATCH 2/2] mx6cuboxi: fix 4GB ddr memory detection

[Fabio Estevam]

On Thu, Jun 7, 2018 at 10:17 AM, Baruch Siach <baruch at tkos.co.il> wrote:
> From: Jon Nettleton <jon at solid-run.com>
>
> The soms with 4GB ddr have a rowaddr of 16 not 15, this allows
> the detection mechanism to properly identify them as 4GB.
> However these soms can be populated with whatever amount of
> memory the customer requests therefor we need a ram stride test.
> We can not use the get_ram_size() function because not all 4GB's
> of DDR is addressable on a 32-bit architecture.  Therefore instead
> we use a memory stride of 128MB's and look for the address that
> the memory wraps.  This function is used for all som types to
> catch most memory configurations.
>
> This is a revised version of Rabeeh Khoury's original code.
>
> Signed-off-by: Jon Nettleton <jon at solid-run.com>
> Signed-off-by: Rabeeh Khoury <rabeeh at solid-run.com>
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>