Re: [PATCH resend] arm64: dts: r8a7796: salvator-x: Update memory node to 4 GiB map

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On Thu, Dec 15, 2016 at 04:31:29PM +0100, Geert Uytterhoeven wrote:
> From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> 
> This patch updates memory region:
> 
>   - After changes, the new map of the Salvator-X board on R8A7796 SoC
>     Bank0: 2GiB RAM : 0x000048000000 -> 0x000bfffffff
>     Bank1: 2GiB RAM : 0x000600000000 -> 0x0067fffffff
> 
>   - Before changes, the old map looked like this:
>     Bank0: 2GiB RAM : 0x000048000000 -> 0x000bfffffff
> 
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> [geert: Correct size of old map]
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Simon, please apply!
> 
> U-Boot already adds the second memory region to the "reg" property of
> the first memory node in DT, so this patch is actually a no-op.
> IMHO it doesn't make much sense to keep on pretending we don't have
> enabled memory outside the 32-bit address space.

Hi Geert,

I agree with the reasoning above and have queued up this patch for v4.11.

It is a shame that u-boot has enabled this for us as it would have
been nice to retain control of that occuring. But alas it was not to be so.



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