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-rw-r--r--arch/arm/mm/cache-v4wt.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S
index 45c70312f43b..49c2b66cf3dd 100644
--- a/arch/arm/mm/cache-v4wt.S
+++ b/arch/arm/mm/cache-v4wt.S
@@ -41,6 +41,17 @@
#define CACHE_DLIMIT 16384
/*
+ * flush_icache_all()
+ *
+ * Unconditionally clean and invalidate the entire icache.
+ */
+ENTRY(v4wt_flush_icache_all)
+ mov r0, #0
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
+ mov pc, lr
+ENDPROC(v4wt_flush_icache_all)
+
+/*
* flush_user_cache_all()
*
* Invalidate all cache entries in a particular address
@@ -188,6 +199,7 @@ ENDPROC(v4wt_dma_map_area)
.type v4wt_cache_fns, #object
ENTRY(v4wt_cache_fns)
+ .long v4wt_flush_icache_all
.long v4wt_flush_kern_cache_all
.long v4wt_flush_user_cache_all
.long v4wt_flush_user_cache_range
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