[U-Boot] [PATCH v2 2/2] rockchip: fix incorrect detection of ram size

[Simon Glass]

Hi Marty,


On 13 September 2018 at 23:55, Marty E. Plummer <hanetzer at startmail.com> wrote:
> Taken from coreboot's src/soc/rockchip/rk3288/sdram.c
>
> Without this change, my u-boot build for the asus c201 chromebook (4GiB)
> is incorrectly detected as 0 Bytes of ram.
>
> Signed-off-by: Marty E. Plummer <hanetzer at startmail.com>
> ---
>  arch/arm/mach-rockchip/sdram_common.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-rockchip/sdram_common.c b/arch/arm/mach-rockchip/sdram_common.c
> index 650d53e4d9..194dc74b9f 100644
> --- a/arch/arm/mach-rockchip/sdram_common.c
> +++ b/arch/arm/mach-rockchip/sdram_common.c
> @@ -48,6 +48,8 @@ size_t rockchip_sdram_size(phys_addr_t reg)
>                       rank, col, bk, cs0_row, bw, row_3_4);
>         }
>
> +       size_mb = min(size_mb, SDRAM_MAX_SIZE/SZ_1M);
> +

Is this because size_mb is only 32-bits?

>         return (size_t)size_mb << 20;
>  }
>
> --
> 2.18.0
>

Regards,
Simon