--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Renesas Solutions Corp.
+ * Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_ZIMAGE_H_
+#define _ASM_ZIMAGE_H_
+
+#define MOUNT_ROOT_RDONLY 0x000
+#define RAMDISK_FLAGS 0x004
+#define ORIG_ROOT_DEV 0x008
+#define LOADER_TYPE 0x00c
+#define INITRD_START 0x010
+#define INITRD_SIZE 0x014
+#define COMMAND_LINE 0x100
+
+#define RD_PROMPT (1<<15)
+#define RD_DOLOAD (1<<14)
+#define CMD_ARG_RD_PROMPT "prompt_ramdisk="
+#define CMD_ARG_RD_DOLOAD "load_ramdisk="
+
+#endif