diff --git a/boot/common/src/uboot/include/nand.h b/boot/common/src/uboot/include/nand.h
new file mode 100755
index 0000000..695a56e
--- /dev/null
+++ b/boot/common/src/uboot/include/nand.h
@@ -0,0 +1,176 @@
+/*
+ * (C) Copyright 2005
+ * 2N Telekomunikace, a.s. <www.2n.cz>
+ * Ladislav Michl <michl@2n.cz>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _NAND_H_
+#define _NAND_H_
+
+extern void nand_init(void);
+
+#include <linux/mtd/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+
+extern int board_nand_init(struct nand_chip *nand);
+extern struct mtd_info* get_mtd_info(void);
+
+typedef struct mtd_info nand_info_t;
+
+extern int nand_curr_device;
+extern nand_info_t nand_info[];
+
+static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
+{
+	return info->read(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
+{
+	return info->write(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
+{
+	return info->block_isbad(info, ofs);
+}
+
+static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
+{
+	struct erase_info instr;
+
+	instr.mtd = info;
+	instr.addr = off;
+	instr.len = size;
+	instr.callback = 0;
+
+	return info->erase(info, &instr);
+}
+
+
+/*****************************************************************************
+ * declarations from nand_util.c
+ ****************************************************************************/
+
+struct nand_write_options {
+	u_char *buffer;		/* memory block containing image to write */
+	ulong length;		/* number of bytes to write */
+	ulong offset;		/* start address in NAND */
+	int quiet;		/* don't display progress messages */
+	int autoplace;		/* if true use auto oob layout */
+	int forcejffs2;		/* force jffs2 oob layout */
+	int forceyaffs;		/* force yaffs oob layout */
+	int noecc;		/* write without ecc */
+	int writeoob;		/* image contains oob data */
+	int pad;		/* pad to page size */
+	int blockalign;		/* 1|2|4 set multiple of eraseblocks
+				 * to align to */
+};
+
+typedef struct nand_write_options nand_write_options_t;
+typedef struct mtd_oob_ops mtd_oob_ops_t;
+
+struct nand_read_options {
+	u_char *buffer;		/* memory block in which read image is written*/
+	ulong length;		/* number of bytes to read */
+	ulong offset;		/* start address in NAND */
+	int quiet;		/* don't display progress messages */
+	int readoob;		/* put oob data in image */
+};
+
+typedef struct nand_read_options nand_read_options_t;
+
+struct nand_erase_options {
+	loff_t length;		/* number of bytes to erase */
+	loff_t offset;		/* first address in NAND to erase */
+	int quiet;		/* don't display progress messages */
+	int jffs2;		/* if true: format for jffs2 usage
+				 * (write appropriate cleanmarker blocks) */
+	int scrub;		/* if true, really clean NAND by erasing
+				 * bad blocks (UNSAFE) */
+
+	/* Don't include skipped bad blocks in size to be erased */
+	int spread;
+};
+
+typedef struct nand_erase_options nand_erase_options_t;
+
+struct flash_ops{
+    int page_size;
+	int	(*read)(nand_info_t *nand, loff_t src, size_t *length, u_char *dst);
+	int	(*read_no_ecc)(nand_info_t *nand, loff_t src, size_t *length, u_char *dst);
+	int	(*read_with_ecc)(nand_info_t *nand, loff_t src, size_t *length, u_char *dst);
+	int (*write)(nand_info_t *nand, loff_t offset, size_t *length,u_char *buffer, int flags);
+    int (*erase)(nand_info_t *nand, const nand_erase_options_t *opts);
+};
+
+
+/* add by zhouqi */
+int nand_write_page_with_no_ecc(nand_info_t *nand, loff_t offset, 
+                u_char *buffer );   
+
+/* add by zhouqi */
+int nand_read_page_with_no_ecc(nand_info_t *nand, loff_t offset, size_t *length,
+		       u_char *buffer);
+
+/* add by chenjunjun */
+int nand_read_page_with_ecc(nand_info_t *nand, loff_t offset, size_t *length,
+		       u_char *buffer);
+
+int nand_write_page_with_ecc(nand_info_t *nand, loff_t offset, u_char *buffer );
+
+
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+		       u_char *buffer);
+
+#define WITH_YAFFS_OOB	(1 << 0) /* whether write with yaffs format. This flag
+				  * is a 'mode' meaning it cannot be mixed with
+				  * other flags */
+#define WITH_DROP_FFS	(1 << 1) /* drop trailing all-0xff pages */
+
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+			u_char *buffer, int flags);
+int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
+
+#define NAND_LOCK_STATUS_TIGHT	0x01
+#define NAND_LOCK_STATUS_LOCK	0x02
+#define NAND_LOCK_STATUS_UNLOCK 0x04
+
+int nand_lock( nand_info_t *meminfo, int tight );
+int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
+int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
+
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
+void board_nand_select_device(struct nand_chip *nand, int chip);
+#endif
+
+__attribute__((noreturn)) void nand_boot(void);
+
+#endif
+
+#ifdef CONFIG_ENV_OFFSET_OOB
+#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored
+				    as block number*/
+#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is
+					stored as byte number */
+#define ENV_OFFSET_SIZE 8
+int get_nand_env_oob(nand_info_t *nand, unsigned long *result);
+#endif