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