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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2013-03-21 21:02:37 +0100
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2013-04-17 21:45:09 +0200
commit4477ca45fb368880bf77b10ed3b24b03f0cc82da (patch)
treee6d68b038b2817856fa9b21b235447d2154f0115 /arch/arm/mm
parent19c4d593f0b4bd46f6d923a3e514719982a22058 (diff)
downloadblackbird-op-linux-4477ca45fb368880bf77b10ed3b24b03f0cc82da.tar.gz
blackbird-op-linux-4477ca45fb368880bf77b10ed3b24b03f0cc82da.zip
ARM: ARMv7-M: Allow the building of new kernel port
This patch modifies the required Kconfig and Makefile files to allow the building of kernel for Cortex-M3. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Jonathan Austin <jonathan.austin@arm.com> Tested-by: Jonathan Austin <jonathan.austin@arm.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Kconfig21
-rw-r--r--arch/arm/mm/Makefile2
2 files changed, 22 insertions, 1 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index cb812a13e299..cce78b070825 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -397,6 +397,15 @@ config CPU_V7
select CPU_PABRT_V7
select CPU_TLB_V7 if MMU
+# ARMv7M
+config CPU_V7M
+ bool
+ select CPU_32v7M
+ select CPU_ABRT_NOMMU
+ select CPU_CACHE_NOP
+ select CPU_PABRT_LEGACY
+ select CPU_THUMBONLY
+
config CPU_THUMBONLY
bool
# There are no CPUs available with MMU that don't implement an ARM ISA:
@@ -441,6 +450,9 @@ config CPU_32v6K
config CPU_32v7
bool
+config CPU_32v7M
+ bool
+
# The abort model
config CPU_ABRT_NOMMU
bool
@@ -494,6 +506,9 @@ config CPU_CACHE_V6
config CPU_CACHE_V7
bool
+config CPU_CACHE_NOP
+ bool
+
config CPU_CACHE_VIVT
bool
@@ -616,7 +631,11 @@ config ARCH_DMA_ADDR_T_64BIT
config ARM_THUMB
bool "Support Thumb user binaries" if !CPU_THUMBONLY
- depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || CPU_V7 || CPU_FEROCEON
+ depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || \
+ CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || \
+ CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
+ CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || \
+ CPU_V7 || CPU_FEROCEON || CPU_V7M
default y
help
Say Y if you want to include kernel support for running user space
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 4e333fa2756f..317b57559340 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o
obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o
obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o
obj-$(CONFIG_CPU_CACHE_FA) += cache-fa.o
+obj-$(CONFIG_CPU_CACHE_NOP) += cache-nop.o
AFLAGS_cache-v6.o :=-Wa,-march=armv6
AFLAGS_cache-v7.o :=-Wa,-march=armv7-a
@@ -88,6 +89,7 @@ obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o
obj-$(CONFIG_CPU_V6) += proc-v6.o
obj-$(CONFIG_CPU_V6K) += proc-v6.o
obj-$(CONFIG_CPU_V7) += proc-v7.o
+obj-$(CONFIG_CPU_V7M) += proc-v7m.o
AFLAGS_proc-v6.o :=-Wa,-march=armv6
AFLAGS_proc-v7.o :=-Wa,-march=armv7-a
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