[U-Boot] [PATCH] am335x:Handle worst case scenario for Errata 1.0.24

Tom Rini trini at ti.com
Mon Jul 22 17:23:17 CEST 2013


On Mon, Jul 22, 2013 at 08:33:44PM +0530, Lokesh Vutla wrote:
> On Monday 22 July 2013 08:12 PM, Tom Rini wrote:
> > From: Steve Kipisz <s-kipisz2 at ti.com>
> > 
> > In Errata 1.0.24, if the board is running at OPP50 and has a warm reset,
> > the boot ROM sets the frequencies for OPP100. This patch attempts to
> > drop the frequencies back to OPP50 as soon as possible in the SPL. Then
> > later the voltages and frequencies up set higher.
> > 
> > Cc: Enric Balletbo i Serra <eballetbo at iseebcn.com>
> > Cc: Lars Poeschel <poeschel at lemonage.de>
> > Signed-off-by: Steve Kipisz <s-kipisz2 at ti.com>
> > [trini: Adapt to current framework]
> > Signed-off-by: Tom Rini <trini at ti.com>
> Doesn't this patch gives a conflict with recent cleanup series 
> for Am33xx ?
> http://patchwork.ozlabs.org/patch/253831/

Yes, and in a non-trivial fashion since we need to be able to
give an initial configuration to the clock, and then change it again,
and I don't see how to do that with your cleanup.  In fact, the other
series I posted, for scaling up the MPU clock also won't work with your
cleanup.

-- 
Tom
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