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ARM: uniphier: add uniphier_cache_inv_way() to support way invalidation

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This invalidates entries in specified ways of the outer cache.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-08-10 16:08:47 +09:00
parent 8fca073271
commit 5941638027
2 changed files with 10 additions and 1 deletions
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10
arch/arm/mach-uniphier/arm32/cache-uniphier.c
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@ -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;

1
arch/arm/mach-uniphier/arm32/cache-uniphier.h
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@ -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);