diff --git a/src/northbridge/intel/x4x/rcven.c b/src/northbridge/intel/x4x/rcven.c
index 9e58ef3..5bb395a 100644
--- a/src/northbridge/intel/x4x/rcven.c
+++ b/src/northbridge/intel/x4x/rcven.c
@@ -3,6 +3,7 @@
 #include <device/mmio.h>
 #include <console/console.h>
 #include <delay.h>
+#include <stdint.h>
 #include "raminit.h"
 #include "x4x.h"
 
@@ -37,7 +38,7 @@
 	}
 	mfence();
 	/* Read strobe */
-	read32((u32 *)addr);
+	read32((void *)(uintptr_t)addr);
 	mfence();
 	return mchbar_read8(sample_offset) >> 6 & 1;
 }