[U-Boot] [PATCH 1/5] sunxi: map DRAM part with 3G size

[André Przywara]

On 07/02/18 19:35, Icenowy Zheng wrote:

Hi,

> All Allwinner 64-bit SoCs now are known to be able to access 3GiB of
> external DRAM, however the size of DRAM part in the MMU translation
> table is still 2GiB.
> 
> Change the size of DRAM part in MMU table to 3GiB.

This is needed for the (new) get_ram_size() to work, isn't it?

I don't like this routine very much, but I guess this change here is
fine anyway:

Reviewed-by: Andre Przywara <andre.przywara at arm.com>

Cheers,
Andre.

> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
> ---
>  arch/arm/mach-sunxi/board.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
> index 0c60ee04da..4ee1040ac9 100644
> --- a/arch/arm/mach-sunxi/board.c
> +++ b/arch/arm/mach-sunxi/board.c
> @@ -53,7 +53,7 @@ static struct mm_region sunxi_mem_map[] = {
>  		/* RAM */
>  		.virt = 0x40000000UL,
>  		.phys = 0x40000000UL,
> -		.size = 0x80000000UL,
> +		.size = 0xC0000000UL,
>  		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
>  			 PTE_BLOCK_INNER_SHARE
>  	}, {
>