[PATCH] ARM: Implement cpu_v7_reset.

Mika Westerberg mika.westerberg at iki.fi
Thu Sep 2 04:53:41 EDT 2010


On Thu, Sep 02, 2010 at 09:41:01AM +0100, Russell King - ARM Linux wrote:
> On Thu, Sep 02, 2010 at 11:34:23AM +0300, Mika Westerberg wrote:
> > 
> > When the MMU is turned off, should we be running on 1:1 mappings?
> 
> Mappings are setup, but not for this code.  This code relies upon the
> instruction which jumps to already be in the pipeline at the point when
> the MMU is turned off - and the destination for that jump to be a 1:1
> mapping.

OK, thanks.

Any Idea what might cause the hang on OMAP3? Only way I was able
to get it working when MMU is disabled was to run cpu_v7_reset()
also via 1:1 mapping.

Thanks,
MW



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