[PATCH] arm: add support for the Cortex-A12 processor
will.deacon at arm.com
Wed Nov 6 12:27:40 EST 2013
On Wed, Oct 23, 2013 at 01:46:16PM +0100, 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>
> Signed-off-by: Jonathan Austin <jonathan.austin at arm.com>
> arch/arm/mm/proc-v7.S | 11 +++++++++++
> 1 file changed, 11 insertions(+)
> diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> index 3a5922d..9745288 100644
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -164,6 +164,7 @@ __v7_cr7mp_setup:
> mov r10, #(1 << 0) @ Cache/TLB ops broadcasting
> b 1f
> mov r10, #0
> @@ -440,6 +441,16 @@ __v7_ca7mp_proc_info:
> .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
> + * ARM Ltd. Cortex A12 processor.
> + */
> + .type __v7_ca12mp_proc_info, #object
> + .long 0x410fc0d0
Great, looks like we can't count.
Please put this into the patch system:
Acked-by: Will Deacon <will.deacon at arm.com>
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