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-rw-r--r--arch/arm/mm/proc-arm922.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index e3cbf87c9480..bb2f0f46a5e6 100644
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -112,6 +112,17 @@ ENTRY(cpu_arm922_do_idle)
#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
/*
+ * flush_icache_all()
+ *
+ * Unconditionally clean and invalidate the entire icache.
+ */
+ENTRY(arm922_flush_icache_all)
+ mov r0, #0
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
+ mov pc, lr
+ENDPROC(arm922_flush_icache_all)
+
+/*
* flush_user_cache_all()
*
* Clean and invalidate all cache entries in a particular
@@ -307,6 +318,7 @@ ENTRY(arm922_dma_unmap_area)
ENDPROC(arm922_dma_unmap_area)
ENTRY(arm922_cache_fns)
+ .long arm922_flush_icache_all
.long arm922_flush_kern_cache_all
.long arm922_flush_user_cache_all
.long arm922_flush_user_cache_range