diff options
| -rw-r--r-- | arch/arm/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/mm/Kconfig | 32 | ||||
| -rw-r--r-- | arch/arm/mm/Makefile | 3 |
3 files changed, 38 insertions, 2 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile index ab9f2d4bd04..00ea4305ad5 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -47,8 +47,13 @@ comma = , # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. +arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a) arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) +# Only override the compiler option if ARMv6. The ARMv6K extensions are +# always available in ARMv7 +ifeq ($(CONFIG_CPU_32v6),y) arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) +endif arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index e684e9b3821..b81391a4e37 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -366,6 +366,19 @@ config CPU_32v6K enabled will not boot on processors with do not support these instructions. +# ARMv7 +config CPU_V7 + bool "Support ARM V7 processor" + depends on ARCH_INTEGRATOR + select CPU_32v6K + select CPU_32v7 + select CPU_ABRT_EV7 + select CPU_CACHE_V7 + select CPU_CACHE_VIPT + select CPU_CP15_MMU + select CPU_COPY_V6 if MMU + select CPU_TLB_V6 if MMU + # Figure out what processor architecture version we should be using. # This defines the compiler instruction set which depends on the machine type. config CPU_32v3 @@ -391,6 +404,9 @@ config CPU_32v5 config CPU_32v6 bool +config CPU_32v7 + bool + # The abort model config CPU_ABRT_NOMMU bool @@ -413,6 +429,9 @@ config CPU_ABRT_EV5TJ config CPU_ABRT_EV6 bool +config CPU_ABRT_EV7 + bool + # The cache model config CPU_CACHE_V3 bool @@ -429,6 +448,9 @@ config CPU_CACHE_V4WB config CPU_CACHE_V6 bool +config CPU_CACHE_V7 + bool + config CPU_CACHE_VIVT bool @@ -503,7 +525,7 @@ comment "Processor Features" config ARM_THUMB bool "Support Thumb user binaries" - 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_V6 + 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_V6 || CPU_V7 default y help Say Y if you want to include kernel support for running user space @@ -578,9 +600,15 @@ config CPU_CACHE_ROUND_ROBIN Say Y here to use the predictable round-robin cache replacement policy. Unless you specifically require this or are unsure, say N. +config CPU_L2CACHE_DISABLE + bool "Disable level 2 cache" + depends on CPU_V7 + help + Say Y here to disable the level 2 cache. If unsure, say N. + config CPU_BPREDICT_DISABLE bool "Disable branch prediction" - depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 + depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7 help Say Y here to disable branch prediction. If unsure, say N. diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 2f8b9594777..b5bd335ff14 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -24,12 +24,14 @@ obj-$(CONFIG_CPU_ABRT_LV4T) += abort-lv4t.o obj-$(CONFIG_CPU_ABRT_EV5T) += abort-ev5t.o obj-$(CONFIG_CPU_ABRT_EV5TJ) += abort-ev5tj.o obj-$(CONFIG_CPU_ABRT_EV6) += abort-ev6.o +obj-$(CONFIG_CPU_ABRT_EV7) += abort-ev7.o obj-$(CONFIG_CPU_CACHE_V3) += cache-v3.o obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o +obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o obj-$(CONFIG_CPU_COPY_V3) += copypage-v3.o obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o @@ -66,5 +68,6 @@ obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o obj-$(CONFIG_CPU_V6) += proc-v6.o +obj-$(CONFIG_CPU_V7) += proc-v7.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o |