1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index 8915e0ba3fe5..831c5e54e22f 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -108,6 +108,20 @@ ENTRY(cpu_arm1022_do_idle)
 /* ================================= CACHE ================================ */
 
         .align  5
+
+/*
+ *      flush_icache_all()
+ *
+ *      Unconditionally clean and invalidate the entire icache.
+ */
+ENTRY(arm1022_flush_icache_all)
+#ifndef CONFIG_CPU_ICACHE_DISABLE
+        mov     r0, #0
+        mcr     p15, 0, r0, c7, c5, 0           @ invalidate I cache
+#endif
+        mov     pc, lr
+ENDPROC(arm1022_flush_icache_all)
+
 /*
  *      flush_user_cache_all()
  *
@@ -326,6 +340,7 @@ ENTRY(arm1022_dma_unmap_area)
 ENDPROC(arm1022_dma_unmap_area)
 
 ENTRY(arm1022_cache_fns)
+        .long   arm1022_flush_icache_all
         .long   arm1022_flush_kern_cache_all
         .long   arm1022_flush_user_cache_all
         .long   arm1022_flush_user_cache_range