1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index e8ea1a071f43..a3ebf7a4f49b 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -18,6 +18,21 @@
 #include "proc-macros.S"
 
 /*
+ *      v7_flush_icache_all()
+ *
+ *      Flush the whole I-cache.
+ *
+ *      Registers:
+ *      r0 - set to 0
+ */
+ENTRY(v7_flush_icache_all)
+        mov     r0, #0
+        ALT_SMP(mcr     p15, 0, r0, c7, c1, 0)          @ invalidate I-cache inner shareable
+        ALT_UP(mcr      p15, 0, r0, c7, c5, 0)          @ I+BTB cache invalidate
+        mov     pc, lr
+ENDPROC(v7_flush_icache_all)
+
+/*
  *      v7_flush_dcache_all()
  *
  *      Flush the whole D-cache.
@@ -303,6 +318,7 @@ ENDPROC(v7_dma_unmap_area)
 
         .type   v7_cache_fns, #object
 ENTRY(v7_cache_fns)
+        .long   v7_flush_icache_all
         .long   v7_flush_kern_cache_all
         .long   v7_flush_user_cache_all
         .long   v7_flush_user_cache_range