[PATCH v6 04/10] arm/tegra: prepare early init for multiple tegra variants

Peter De Schrijver pdeschrijver at nvidia.com
Fri Dec 9 22:19:49 EST 2011


On Thu, Dec 08, 2011 at 07:29:43PM +0100, Colin Cross wrote:
> On Thu, Dec 8, 2011 at 9:57 AM, Stephen Warren <swarren at nvidia.com> wrote:
> > Peter De Schrijver wrote at Thursday, December 08, 2011 5:44 AM:
> >> This patch splits the early init code in a common and a tegra20 specific part.
> >> L2 cache initialization is generalized and discovers the cache associativity
> >> at runtime. Also use arm_pm_restart instead of arm_arch_reset and reset the
> >> the system using the PMC reset feature rather then the CAR system reset.
> >
> > This one really should be at least 3 separate patches:
> > * s/tegra_init_early/tegra20_init_early/ in machine descriptions
> > * Switch reset mechanism from CAR to PMC
> > * tegra_init_cache modifications
> > * Not sure if all the ifdef additions go in the above, or if some should be
> >  separate?
> >
> > Still, I think it's probably OK to go in as it is even if it isn't optimal.
> 
> Please at least split out the reset change.  Does using the PMC reset
> instead of the CAR reset still result in a warm reset, or does it
> change to a cold reset?

What do you consider a cold reset in the tegra world?

Cheers,

Peter.


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