Re: arm: CONFIG_ARM_PATCH_PHYS_VIRT=y is broken on kirkwood

From: Sergei Trofimovich
Date: Tue Apr 10 2012 - 14:07:31 EST


On Mon, 09 Apr 2012 22:28:28 +0100
Ian Campbell <ijc@xxxxxxxxxxxxxx> wrote:

> On Sun, 2012-04-08 at 11:59 +0300, Sergei Trofimovich wrote:
> > In order to make the box boot I had to set:
> > CONFIG_EMBEDDED=y
> > # CONFIG_ARM_PATCH_PHYS_VIRT is not set
> > CONFIG_PHYS_OFFSET=0x0
> >
> > Do you have an idea why it does not boot anymore by default?
>
> There is a u-boot commit which fixes this issue:
>
> commit 679530278d5a79d34e356ad2d452f4400953bfc2
> Author: Michael Walle <[michael@xxxxxxxx]>
> Date: Mon Feb 6 22:42:10 2012 +0530
>
> arm, arm-kirkwood: disable l2c before linux boot
>
> The decompressor expects the L2 cache to be disabled. This fixes booting
> some kernels, which have CONFIG_ARM_PATCH_PHYS_VIRT enabled.
>
> Signed-off-by: Michael Walle <michael@xxxxxxxx>
> Acked-by: Prafulla Wadaskar <prafulla@xxxxxxxxxxx>
> Cc: Albert ARIBAUD <albert.u.boot@xxxxxxxxxxx>
> Cc: Prafulla Wadaskar <prafulla@xxxxxxxxxxx>
> Cc: Wolfgang Denk <wd@xxxxxxx>

Thank you, Ian. Updating u-boot helped!

Sorry for the noise.

--

Sergei

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