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arch/arm: add Cortex-M4 entry

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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>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2016-03-18 22:08:05 +01:00
parent 41bcc440b1
commit 4724343236
1 changed files with 5 additions and 0 deletions
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5
arch/Config.in.arm
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@ -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