[PATCH] ARM: Update SMP_ON_UP code to detect A9MPCore with 1 CPU devices

[Will Deacon]

On Mon, Aug 12, 2013 at 07:34:13PM +0100, Santosh Shilimkar wrote:
> On Friday 02 August 2013 11:48 AM, Will Deacon wrote:
> > I think this an A9-specific register, which reads as 0 on UP A9 and reads as
> > some form of PERIPH_BASE for SMP parts. The issue I have is when PERIPH_BASE
> > is zero.
> > 
> What do we do here ? Should we document this in the code and proceed ?
> Mostly there is no platform with PERIPH_BASE = 0, so its should be fine but
> I am open for any other alternative.

The only other alternative I can think of is forcing people to have
CONFIG_SMP=n, but that blows away single zImage for your platform.

Will