diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-08-10 16:08:47 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-08-11 17:49:45 +0900 |
| commit | 5941638027b62d0d8c1a5881b38d53a13ebcc5e1 (patch) | |
| tree | d08f1f52daac68c8f202c1cff25ee622b32e5773 /arch/arm/mach-uniphier/arm32 | |
| parent | 8fca073271706f3d856c6554c2b5400ac9c83c10 (diff) | |
ARM: uniphier: add uniphier_cache_inv_way() to support way invalidation
This invalidates entries in specified ways of the outer cache.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm/mach-uniphier/arm32')
| -rw-r--r-- | arch/arm/mach-uniphier/arm32/cache-uniphier.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-uniphier/arm32/cache-uniphier.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-uniphier/arm32/cache-uniphier.c b/arch/arm/mach-uniphier/arm32/cache-uniphier.c index da9488ee50..f1a36ed6e2 100644 --- a/arch/arm/mach-uniphier/arm32/cache-uniphier.c +++ b/arch/arm/mach-uniphier/arm32/cache-uniphier.c @@ -72,7 +72,8 @@ #define UNIPHIER_SSCOQAD_IS_NEEDED(op) \ ((op & UNIPHIER_SSCOQM_S_MASK) == UNIPHIER_SSCOQM_S_RANGE) #define UNIPHIER_SSCOQWM_IS_NEEDED(op) \ - ((op & UNIPHIER_SSCOQM_TID_MASK) == UNIPHIER_SSCOQM_TID_WAY) + (((op & UNIPHIER_SSCOQM_S_MASK) == UNIPHIER_SSCOQM_S_WAY) || \ + ((op & UNIPHIER_SSCOQM_TID_MASK) == UNIPHIER_SSCOQM_TID_WAY)) /* uniphier_cache_sync - perform a sync point for a particular cache level */ static void uniphier_cache_sync(void) @@ -184,6 +185,13 @@ void uniphier_cache_touch_zero_range(u32 start, u32 end, u32 ways) UNIPHIER_SSCOQM_CM_TOUCH_ZERO); } +void uniphier_cache_inv_way(u32 ways) +{ + uniphier_cache_maint_common(0, 0, ways, + UNIPHIER_SSCOQM_S_WAY | + UNIPHIER_SSCOQM_CM_INV); +} + static void uniphier_cache_endisable(int enable) { u32 tmp; diff --git a/arch/arm/mach-uniphier/arm32/cache-uniphier.h b/arch/arm/mach-uniphier/arm32/cache-uniphier.h index 733cd80dc5..e095e684b9 100644 --- a/arch/arm/mach-uniphier/arm32/cache-uniphier.h +++ b/arch/arm/mach-uniphier/arm32/cache-uniphier.h @@ -13,6 +13,7 @@ void uniphier_cache_prefetch_range(u32 start, u32 end, u32 ways); void uniphier_cache_touch_range(u32 start, u32 end, u32 ways); void uniphier_cache_touch_zero_range(u32 start, u32 end, u32 ways); +void uniphier_cache_inv_way(u32 ways); void uniphier_cache_enable(void); void uniphier_cache_disable(void); |