diff --git a/src/arch/arm64/include/arch/memlayout.h b/src/arch/arm64/include/arch/memlayout.h
index 0bd0835aa8..ac09934019 100644
--- a/src/arch/arm64/include/arch/memlayout.h
+++ b/src/arch/arm64/include/arch/memlayout.h
@@ -22,6 +22,11 @@
 	REGION(ttb, addr, size, 4K) \
 	_ = ASSERT(size % 4K == 0, "TTB size must be divisible by 4K!");
 
+#define DMA_COHERENT(addr, size) \
+	REGION(dma_coherent, addr, size, 4K) \
+	_ = ASSERT(size % 4K == 0, \
+		"DMA buffer should be multiple of smallest page size (4K)!");
+
 /* ARM64 stacks need 16-byte alignment. */
 #define STACK(addr, size) \
 	REGION(stack, addr, size, 16) \