[RFC] Remove support for ARMv3 ARM610 and ARM710 CPUs

Russell King - ARM Linux linux at arm.linux.org.uk
Fri May 4 10:46:43 EDT 2012


On Fri, May 04, 2012 at 02:41:24PM +0000, Arnd Bergmann wrote:
> On Friday 04 May 2012, Russell King - ARM Linux wrote:
> > This patch removes support for ARMv3 CPUs, which haven't worked properly
> > for quite some time (see the FIXME comment in arch/arm/mm/fault.c).  The
> > only V3 parts left is the cache model for ARMv3, which is needed for some
> > odd reason by ARM740T CPUs, and being able to build with -march=armv3,
> > which is required for the RiscPC platform due to its bus structure.
> 
> No objections to the patch, but I wonder if this change obsoletes any
> hardware drivers in turn.  Are there any RiscPC peripherals that are
> only available on the older models?

"older models" ?  It's not a machine where the CPU is soldered to the
motherboard.  I could describe it as being like an x86 motherboard where
you can plug either an ARM610, ARM710 or StrongARM CPU into it.  The
CPU type is merely incidental.



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