diff --git a/include/misc/byteorder.h b/include/misc/byteorder.h
index 7f1aca2692a..2664e6ebfee 100644
--- a/include/misc/byteorder.h
+++ b/include/misc/byteorder.h
@@ -33,10 +33,16 @@
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define sys_le16_to_cpu(val) (val)
 #define sys_cpu_to_le16(val) (val)
+#define sys_le32_to_cpu(val) (val)
+#define sys_cpu_to_le32(val) (val)
 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 #define bswap_16(x) ((uint16_t) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
 #define sys_le16_to_cpu(val) bswap_16(val)
 #define sys_cpu_to_le16(val) bswap_16(val)
+#define bswap_32(x) ((uint32_t) ((((x) >> 24) & 0xff) | (((x) >> 8) & 0xff00) \
+				| (((x) & 0xff00) << 8) | (((x) & 0xff) << 24)))
+#define sys_le32_to_cpu(val) bswap_32(val)
+#define sys_cpu_to_le32(val) bswap_32(val)
 #else
 #error "Unknown byte order"
 #endif