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Date: Tue, 10 Apr 2012 21:12:10 +0300
From: Sergei Trofimovich <slyich@gmail.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>, linux-kernel@vger.kernel.org,
        Will Deacon <will.deacon@arm.com>
Subject: Re: arm: CONFIG_ARM_PATCH_PHYS_VIRT=y is broken on kirkwood
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On Mon, 09 Apr 2012 22:28:28 +0100
Ian Campbell <ijc@hellion.org.uk> 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=3Dy
> >     # CONFIG_ARM_PATCH_PHYS_VIRT is not set
> >    CONFIG_PHYS_OFFSET=3D0x0
> >=20
> > Do you have an idea why it does not boot anymore by default?
>=20
> There is a u-boot commit which fixes this issue:
>=20
> commit 679530278d5a79d34e356ad2d452f4400953bfc2
> Author: Michael Walle <[michael@walle.cc]>
> Date:   Mon Feb 6 22:42:10 2012 +0530
>=20
>     arm, arm-kirkwood: disable l2c before linux boot
>    =20
>     The decompressor expects the L2 cache to be disabled. This fixes boot=
ing
>     some kernels, which have CONFIG_ARM_PATCH_PHYS_VIRT enabled.
>    =20
>     Signed-off-by: Michael Walle <michael@walle.cc>
>     Acked-by: Prafulla Wadaskar <prafulla@marvell.com>
>     Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
>     Cc: Prafulla Wadaskar <prafulla@marvell.com>
>     Cc: Wolfgang Denk <wd@denx.de>

Thank you, Ian. Updating u-boot helped!

Sorry for the noise.

--=20

  Sergei

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