diff --git a/src/cpu/samsung/exynos5250/dmc.h b/src/cpu/samsung/exynos5250/dmc.h
index b778e099d8..9b1f29305d 100644
--- a/src/cpu/samsung/exynos5250/dmc.h
+++ b/src/cpu/samsung/exynos5250/dmc.h
@@ -175,6 +175,8 @@ enum mem_manuf {
 	MEM_MANUF_COUNT = 2, // fancy that.
 };
 
+#define DMC_INTERLEAVE_SIZE		0x1f
+
 /* CONCONTROL register fields */
 #define CONCONTROL_DFI_INIT_START_SHIFT	28
 #define CONCONTROL_RD_FETCH_SHIFT	12