[PATCH V3] ARM: mvebu: fix RAM size for Armada XP board DB-MV784MP-GP

[Jason Cooper]

On Thu, Mar 14, 2013 at 05:46:02PM +0000, Jason Cooper wrote:
> The board is supplied with a 4GB RAM module.  This value can be
> overridden by the bootloader based on probed memory size.  We set it to
> a reasonable value here.
> 
> Signed-off-by: Jason Cooper <jason at lakedaemon.net>
> ---
> Changes from v2:
>  - trimmed size to not conflict with internal register addresses, added comment.
>    Thanks to Jason Gunthorpe for raising this and Gregory Clement for confirming.
> 
> Changes from v1:
>  - grammatical fix suggested by Sergei Shtylyov
>  - correct size suggested by several folks (within 32bit, 1 dword)
> 
> As promised, catching this fix in the -rc cycle.
> 
> For those not familiar, earlier versions of the patch adding this board listed
> 3GB because that is all that was visible.  I mistaken applied v3 of the patch
> instead of v4 which properly listed 4GB.  This patch cleans up my error.
> 
> 
>  arch/arm/boot/dts/armada-xp-gp.dts | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)

I'm going to hang on to this since there is a pretty good chance the
LPAE code posted today will make it in this window and supercedes this.

thx,

Jason.

> 
> diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts
> index 1c8afe2..b2d7804 100644
> --- a/arch/arm/boot/dts/armada-xp-gp.dts
> +++ b/arch/arm/boot/dts/armada-xp-gp.dts
> @@ -28,12 +28,14 @@
>  		device_type = "memory";
>  
>  		/*
> -		 * 4 GB of plug-in RAM modules by default but only 3GB
> -		 * are visible, the amount of memory available can be
> -		 * changed by the bootloader according the size of the
> -		 * module actually plugged
> +		 * 4 GB of plug-in RAM modules by default. The amount of memory
> +		 * available can be changed by the bootloader according to the
> +		 * size of the module actually plugged
> +		 *
> +		 * Clipped at 0xD0000000 since this is the start of the internal
> +		 * registers.
>  		 */
> -		reg = <0x00000000 0xC0000000>;
> +		reg = <0x00000000 0xD0000000>;
>  	};
>  
>  	soc {
> -- 
> 1.8.1.5
> 
> 
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