diff --git a/include/asm-sh/setup.h b/include/asm-sh/setup.h
index 586a971..55a2bd3 100644
--- a/include/asm-sh/setup.h
+++ b/include/asm-sh/setup.h
@@ -5,6 +5,20 @@
 
 #ifdef __KERNEL__
 
+/*
+ * This is set up by the setup-routine at boot-time
+ */
+#define PARAM	((unsigned char *)empty_zero_page)
+
+#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000))
+#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004))
+#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008))
+#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c))
+#define INITRD_START (*(unsigned long *) (PARAM+0x010))
+#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014))
+/* ... */
+#define COMMAND_LINE ((char *) (PARAM+0x100))
+
 int setup_early_printk(char *);
 void sh_mv_setup(void);