[PATCH v1 9/9] verdin-imx8mm: automatic ram size detection

[Oleksandr Suvorov]

On Wed, Oct 28, 2020 at 11:59 AM Igor Opaniuk <igor.opaniuk at gmail.com> wrote:
>
> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> Implement board_phys_sdram_size() to automatically detect Verdin iMX8M
> Mini DualLite 1GB vs. Verdin iMX8M Mini Quad 2GB.
>
> Note: This only works if we keep using similar RAM chips!
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

Acked-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>


> ---
>
>  board/toradex/verdin-imx8mm/verdin-imx8mm.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/board/toradex/verdin-imx8mm/verdin-imx8mm.c b/board/toradex/verdin-imx8mm/verdin-imx8mm.c
> index 9c6f35e778..7cfae8767c 100644
> --- a/board/toradex/verdin-imx8mm/verdin-imx8mm.c
> +++ b/board/toradex/verdin-imx8mm/verdin-imx8mm.c
> @@ -180,6 +180,16 @@ int board_late_init(void)
>         return 0;
>  }
>
> +int board_phys_sdram_size(phys_size_t *size)
> +{
> +       if (!size)
> +               return -EINVAL;
> +
> +       *size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
> +
> +       return 0;
> +}
> +
>  #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> --
> 2.17.1
>


--
Best regards
Oleksandr Suvorov

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