+extern char *onenand_print_device_info(int device, int version);
+
+extern unsigned onenand_block(struct onenand_chip *this, loff_t addr);
+
+extern loff_t onenand_addr(struct onenand_chip *this, int block);
+
+extern int flexonenand_region(struct mtd_info *mtd, loff_t addr);
+
+extern int flexonenand_set_boundary(struct mtd_info *mtd, int die,
+ int boundary, int lock);