diff --git a/include/configs/trizepsiv.h b/include/configs/trizepsiv.h
index c2744b5..4917318 100644
--- a/include/configs/trizepsiv.h
+++ b/include/configs/trizepsiv.h
@@ -47,6 +47,9 @@
 
 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
 
+/* we will never enable dcache, because we have to setup MMU first */
+#define CONFIG_SYS_NO_DCACHE
+
 #define RTC
 
 /*