diff --git a/include/common.h b/include/common.h
index 5968036..afee188 100644
--- a/include/common.h
+++ b/include/common.h
@@ -597,6 +597,8 @@
 
 /* lib_$(ARCH)/cache.c */
 void	flush_cache   (unsigned long, unsigned long);
+void	flush_dcache_range(unsigned long start, unsigned long stop);
+void	invalidate_dcache_range(unsigned long start, unsigned long stop);
 
 
 /* lib_$(ARCH)/ticks.S */