[PATCH 3/5] documentation/iommu: update description of ARM System MMU binding
Will Deacon
will.deacon at arm.com
Fri Feb 28 11:21:14 EST 2014
On Fri, Feb 28, 2014 at 04:17:43PM +0000, Timur Tabi wrote:
> On Fri, Feb 21, 2014 at 11:16 AM, Will Deacon <will.deacon at arm.com> wrote:
> >
> > +- calxeda,smmu-secure-config-access : Enable proper handling of buggy
> > + implementations that always use secure access to
> > + SMMU configuration registers. In this case non-secure
> > + aliases of secure registers have to be used during
> > + SMMU configuration.
>
> I'm confused. Why does this property have a "calxeda" prefix? How is
> it a Calxeda-specific property?
Because they wired up their SMMU backwards. It's basically an
implementation-specific erratum workaround.
Will
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