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[12/14] ARM: uniphier: add uniphier_cache_inv_way() to support way invalidation

Message ID 1470812929-21178-13-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit 5941638027b62d0d8c1a5881b38d53a13ebcc5e1
Headers show

Commit Message

Masahiro Yamada Aug. 10, 2016, 7:08 a.m. UTC 
This invalidates entries in specified ways of the outer cache.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

---

 arch/arm/mach-uniphier/arm32/cache-uniphier.c | 10 +++++++++-
 arch/arm/mach-uniphier/arm32/cache-uniphier.h |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

-- 
1.9.1

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diff mbox

Patch

diff --git a/arch/arm/mach-uniphier/arm32/cache-uniphier.c b/arch/arm/mach-uniphier/arm32/cache-uniphier.c
index da9488e..f1a36ed 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 733cd80..e095e68 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);