diff --git a/boot/common/src/loader/drivers/flash.h b/boot/common/src/loader/drivers/flash.h
new file mode 100755
index 0000000..2fe2ddb
--- /dev/null
+++ b/boot/common/src/loader/drivers/flash.h
@@ -0,0 +1,53 @@
+/*******************************************************************************
+ * Copyright (C) 2016, ZXIC Corporation.
+ *
+ * File Name:    
+ * File Mark:    
+ * Description:  
+ * Others:        
+ * Version:       v1.0
+ * Author:        zhouqi
+ * Date:          2013-8-21
+ * History 1:      
+ *     Date: 
+ *     Version:
+ *     Author: 
+ *     Modification:  
+ * History 2: 
+  ********************************************************************************/
+
+#ifndef _FLASH_H_
+#define _FLASH_H_
+
+#include <linux/types.h>
+
+#define 	NOR_BOOT		0x0
+#define 	NAND_BOOT		0x1
+#define 	SPI_NAND_BOOT	0x2
+#define 	OTHER_BOOT		0xff
+
+struct flash_type{
+	uint8_t flash_type;
+    uint8_t manuf_id;             
+    uint8_t device_id;            
+	uint16_t page_size;
+    uint16_t page_size_shift;      
+    uint16_t oob_size;                    
+    uint16_t block_size_shift;
+    uint16_t block_num;          
+	uint32_t block_size;
+	int32_t	(*read_page_raw)(uint32_t buf, uint32_t offset);
+	int32_t	(*read)(uint32_t from, uint32_t len, uint32_t to);
+	void (*read_oob)(uint8_t *buf, uint32_t offset, uint32_t len);
+};
+
+
+extern struct flash_type flash;
+
+char get_boot_mode(void);
+int board_flash_init(void);
+
+
+#endif/*_FLASH_H_*/
+
+