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arch/arm: add Cortex-M4 entry

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>
Thomas Petazzoni vor 8 Jahren
Ursprung
Commit
4724343236
1 geänderte Dateien mit 5 neuen und 0 gelöschten Zeilen
  1. 5 0
      arch/Config.in.arm

+ 5 - 0
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