diff --git a/include/asm-generic/setup.h b/include/asm-generic/setup.h
new file mode 100644
index 0000000..6fc26a5
--- /dev/null
+++ b/include/asm-generic/setup.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_GENERIC_SETUP_H
+#define __ASM_GENERIC_SETUP_H
+
+#define COMMAND_LINE_SIZE	512
+
+#endif	/* __ASM_GENERIC_SETUP_H */