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| author | David Hendricks <dhendrix@chromium.org> | 2013-03-19 18:38:48 -0700 |
|---|---|---|
| committer | David Hendricks <dhendrix@chromium.org> | 2013-03-21 05:15:20 +0100 |
| commit | 426ce4192bd127ceaab52d94468b66d718608572 (patch) | |
| tree | eed237d120325d317b978bc2d8f98113cbe42c95 | |
| parent | 758abdd75b22108b14427edc3704a84783759c27 (diff) | |
| download | coreboot-426ce4192bd127ceaab52d94468b66d718608572.tar.xz | |
armv7: add function for dcache_clean_by_mva()
This adds a function for using the DCCMVAC instruction (dcache clean
by MVA at point of coherency (main memory)). We already have the
inline defined, it's just not used by anything.
Change-Id: Ia0641566a8881335bed8da2963e1db8321d74267
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2871
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
| -rw-r--r-- | src/arch/armv7/include/arch/cache.h | 3 | ||||
| -rw-r--r-- | src/arch/armv7/lib/cache.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/arch/armv7/include/arch/cache.h b/src/arch/armv7/include/arch/cache.h index 31ed34579a..c00325629a 100644 --- a/src/arch/armv7/include/arch/cache.h +++ b/src/arch/armv7/include/arch/cache.h @@ -215,6 +215,9 @@ static inline void write_sctlr(unsigned int val) /* dcache clean and invalidate all (on current level given by CCSELR) */ void dcache_clean_invalidate_all(void); +/* dcache clean by modified virtual address to PoC */ +void dcache_clean_by_mva(unsigned long addr, unsigned long len); + /* dcache clean and invalidate by modified virtual address to PoC */ void dcache_clean_invalidate_by_mva(unsigned long addr, unsigned long len); diff --git a/src/arch/armv7/lib/cache.c b/src/arch/armv7/lib/cache.c index 8fb238af9b..63e406c03f 100644 --- a/src/arch/armv7/lib/cache.c +++ b/src/arch/armv7/lib/cache.c @@ -79,6 +79,7 @@ enum dcache_op { OP_DCCISW, OP_DCISW, OP_DCCIMVAC, + OP_DCCMVAC, }; /* @@ -193,6 +194,11 @@ static void dcache_op_mva(unsigned long addr, } } +void dcache_clean_by_mva(unsigned long addr, unsigned long len) +{ + dcache_op_mva(addr, len, OP_DCCMVAC); +} + void dcache_clean_invalidate_by_mva(unsigned long addr, unsigned long len) { dcache_op_mva(addr, len, OP_DCCIMVAC); |