[Buildroot] [PATCH 03/16] arch/arm: add Cortex-M4 entry

[Arnout Vandecappelle <arnout@mind.be>]

On 03/16/16 22:43, Thomas Petazzoni wrote:
> This commit adds the option to select the Cortex-M4 ARM core, in the
> same family as Cortex-M3. This will be useful to enable the internal
> toolchain backend for this ARM core, and provide some defconfigs for
> Cortex-M4 platforms.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>


  Regards,
  Arnout

> ---
>   arch/Config.in.arm | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/arch/Config.in.arm b/arch/Config.in.arm
> index cd1ec33..ee612f5 100644
> --- a/arch/Config.in.arm
> +++ b/arch/Config.in.arm
> @@ -174,6 +174,10 @@ config BR2_cortex_m3
>   	bool "cortex-M3"
>   	select BR2_ARM_CPU_HAS_THUMB2
>   	select BR2_ARM_CPU_ARMV7M
> +config BR2_cortex_m4
> +	bool "cortex-M4"
> +	select BR2_ARM_CPU_HAS_THUMB2
> +	select BR2_ARM_CPU_ARMV7M
>   config BR2_fa526
>   	bool "fa526/626"
>   	select BR2_ARM_CPU_HAS_ARM
> @@ -455,6 +459,7 @@ config BR2_GCC_TARGET_CPU
>   	default "cortex-a15"	if BR2_cortex_a15
>   	default "cortex-a17"	if BR2_cortex_a17
>   	default "cortex-m3"	if BR2_cortex_m3
> +	default "cortex-m4"	if BR2_cortex_m4
>   	default "fa526"		if BR2_fa526
>   	default "marvell-pj4"	if BR2_pj4
>   	default "strongarm"	if BR2_strongarm
>


-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
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