diff --git a/include/asm-x86/serial.h b/include/asm-x86/serial.h
new file mode 100644
index 0000000..cf1b052
--- /dev/null
+++ b/include/asm-x86/serial.h
@@ -0,0 +1,5 @@
+#ifdef CONFIG_X86_32
+# include "serial_32.h"
+#else
+# include "serial_64.h"
+#endif