Re: [PATCH 03/11] MIPS: support RAM beyond 32-bit

From: Arnd Bergmann
Date: Fri Oct 06 2023 - 07:21:38 EST


On Wed, Oct 4, 2023, at 18:10, Gregory CLEMENT wrote:
> From: Vladimir Kondratiev <vladimir.kondratiev@xxxxxxxxx>
>
> Support platforms where RAM is mapped beyond 32-bit.
>
> The kernel parameter ddr32_alias allows to setup the alias to point
> outside the first 4 GB of memory.
>
> Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@xxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>

This needs a better explanation, and probably a rewrite.
Having to pass the memory address on the command line does
not sound like an appropriate way to boot the kernel, so
I think either this needs to be detected from the running kernel
itself, or passed through DT.

Arnd