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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2018-04-26 18:21:28 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-07 15:53:28 -0400 |
| commit | f4bcd767bdc0925528e66974af7575a5796aaab7 (patch) | |
| tree | b436d3fd8ee25efa3c9b704076c141d7b8899927 /arch | |
| parent | 7240b80ee03ef712070d985cc9ed7b6c54e5764f (diff) | |
| download | u-boot-f4bcd767bdc0925528e66974af7575a5796aaab7.tar.gz u-boot-f4bcd767bdc0925528e66974af7575a5796aaab7.tar.xz u-boot-f4bcd767bdc0925528e66974af7575a5796aaab7.zip | |
arm: v7: Kconfig: Introduce SYS_ARM_CACHE_CP15
Certain ARM architectures like ARMv7-A, ARMv7-R has support for
enabling caches using CP15 registers. To have a common support
for all these architectures, introduce a Kconfig symbol
SYS_ARM_CACHE_CP15 that selects cache-cp15.c
Tested-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/lib/Makefile | 6 |
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5ff6809e94..fd6d2011af 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -74,8 +74,15 @@ config ARM_ASM_UNIFIED config THUMB2_KERNEL bool +config SYS_ARM_CACHE_CP15 + bool "CP15 based cache enabling support" + help + Select this if your processor suports enabling caches by using + CP15 registers. + config SYS_ARM_MMU bool "MMU-based Paged Memory Management Support" + select SYS_ARM_CACHE_CP15 help Select if you want MMU-based virtualised addressing space support by paged memory management. diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 77a3be4266..655727f431 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -61,11 +61,7 @@ obj-y += reset.o endif obj-y += cache.o -ifndef CONFIG_ARM64 -ifndef CONFIG_CPU_V7M -obj-y += cache-cp15.o -endif -endif +obj-$(CONFIG_SYS_ARM_CACHE_CP15) += cache-cp15.o obj-y += psci-dt.o |