text: /*
   *  Header file for OneNAND support for U-Boot
   *
   *  Adaptation from kernel to U-Boot
   *
   *  Copyright (C) 2005-2007 Samsung Electronics
   *  Kyungmin Park <kyungmin.park@samsung.com>
   *
   * 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.
   */
  
  #ifndef __UBOOT_ONENAND_H
  #define __UBOOT_ONENAND_H
  
  #include <linux/types.h>
  
  /* Forward declarations */
  struct mtd_info;
  struct mtd_oob_ops;
  struct erase_info;
  struct onenand_chip;
  
  extern struct mtd_info onenand_mtd;
  extern struct onenand_chip onenand_chip;
  
  /* board */
  extern void onenand_board_init(struct mtd_info *);
  
  /* Functions */
  extern void onenand_init(void);
  extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
  			size_t * retlen, u_char * buf);
  extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops);
  extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len,
  			 size_t * retlen, const u_char * buf);
  extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr);
  
  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);
  
  /* S3C64xx */
  extern void s3c64xx_onenand_init(struct mtd_info *);
  extern void s3c64xx_set_width_regs(struct onenand_chip *);
  
  /* SPL */
  void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst);
  
  #endif /* __UBOOT_ONENAND_H */
  