diff --git a/cpu/nios2/interrupts.c b/cpu/nios2/interrupts.c
index aeb5b65b330bb6c24ebe88024ed78f8b1e35835b..ec5db31b0ff468132680ba7b881a0fddcb7f96ed 100644
--- a/cpu/nios2/interrupts.c
+++ b/cpu/nios2/interrupts.c
@@ -27,6 +27,7 @@
 
 #include <nios2.h>
 #include <nios2-io.h>
+#include <asm/types.h>
 #include <asm/io.h>
 #include <asm/ptrace.h>
 #include <common.h>
diff --git a/include/asm-nios2/types.h b/include/asm-nios2/types.h
index f13d8bd4b479cb7595719351c71bad0c3588d456..ea859c07741619194a80210a1353628cc5738685 100644
--- a/include/asm-nios2/types.h
+++ b/include/asm-nios2/types.h
@@ -52,6 +52,9 @@ typedef unsigned long long u64;
 /* Dma addresses are 32-bits wide.  */
 
 typedef u32 dma_addr_t;
+
+typedef unsigned long phys_addr_t;
+typedef unsigned long phys_size_t;
 #endif /* __KERNEL__ */
 
 #endif /* __ASM_NIOS2_TYPES_H */