[PATCH v2] ARM: add support for the Cortex-A12 processor

Jonathan Austin jonathan.austin at arm.com
Tue Dec 10 12:27:21 EST 2013


On 08/12/13 02:22, Arnd Bergmann wrote:
> On Friday 06 December 2013, Jonathan Austin wrote:
>> The A12 behaves as the A7/A15 does with respect to setting the SMP bit, and
>> doesn't require TLB ops broadcasting to be explicitly enabled like the A9 does.
>>
>> Note that as the ACTLR cannot (usually) be written from non-secure, it is the
>> responsibility of the bootloader/firmware to set this bit per core - it is
>> done here in Linux as last resort in case of bad firmware.
>>
>> Acked-by: Catalin Marinas <catalin.marinas at arm.com>
>> Acked-by: Will Deacon <will.deacon at arm.com>
>> Signed-off-by: Jonathan Austin <jonathan.austin at arm.com>
>
> I guess this one qualifies for stable backports under the "new device ID"
> rule, and I'm sure people will want to have it in some longterm release.
>

Yes, I'd say this certainly makes sense for 3.10 - though even without 
this things will basically work due to the catch-all for V7A.

Happy to Cc: stable when I put this into the patch system, though

Jonny

> 	Arnd
>





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