[PATCH] ARM: imx: fix i.MX35 CPU architecture

Benoît Thébaudeau benoit.thebaudeau at advansee.com
Thu Jun 28 11:08:30 EDT 2012


On Thu, Jun 28, 2012 at 12:57:20PM +0200, Sascha Hauer wrote:
> On Wed, Jun 27, 2012 at 10:28:26PM +0200, Benoît Thébaudeau wrote:
> > The data sheet of the i.MX35 says it is an ARM1136JF-S processor,
> > version r1p3,
> > which, according to section "B.1. New instructions" of the
> > ARM1136JF-S and
> > ARM1136J-S Technical Reference Manual, makes the i.MX35 CPU
> > architecture not
> > only ARMv6, but ARMv6k.
> 
> Is this true for i.MX31 aswell?

No.

> If not, we would have to add
> additional
> magic to enable CPU_V6K only when SOC_IMX31 is not selected.

Why? That could be "select CPU_V6K if !SOC_IMX31", but e.g. CPU_V7 is selected
by SOC_IMX5 whether or not SOC_IMX31 or SOC_IMX35 is selected, and CPU_V6/6K/7
conflicts are handled with priorities by the ARM infrastructure.

Regards,
Benoît



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