[PATCH 01/17] ARM: proc: add definition of cpu_reset for ARMv6 and ARMv7 cores

[Santosh Shilimkar]

Minor nit,

On 7/7/2011 8:50 AM, Lorenzo Pieralisi wrote:
> From: Will Deacon<will.deacon at arm.com>
>
> This patch adds simple definitions of cpu_reset for ARMv6 and ARMv7
> cores, which disable the MMU via the SCTLR.
>
> Signed-off-by: Will Deacon<will.deacon at arm.com>
> ---
>   arch/arm/mm/proc-v6.S |    5 +++++
>   arch/arm/mm/proc-v7.S |    7 +++++++
>   2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
> index 1d2b845..f3b5232 100644
> --- a/arch/arm/mm/proc-v6.S
> +++ b/arch/arm/mm/proc-v6.S
> @@ -56,6 +56,11 @@ ENTRY(cpu_v6_proc_fin)
>    */
>   	.align	5
>   ENTRY(cpu_v6_reset)
> +	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
> +	bic	r1, r1, #0x1			@ ...............m
> +	mcr	p15, 0, r1, c1, c0, 0		@ disable MMU
> +	mov	r1, #0
> +	mcr	p15, 0, r1, c7, c5, 4		@ ISB
>   	mov	pc, r0
>
>   /*
> diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> index 089c0b5..15d6191 100644
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -58,9 +58,16 @@ ENDPROC(cpu_v7_proc_fin)
>    *	to what would be the reset vector.
>    *
>    *	- loc   - location to jump to for soft reset
> + *
> + *	This code must be executed using a flat identity mapping with
> + *      caches disabled.
Align the text body.

Regards
Santosh