/*
   *  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 int 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);

  /* SPL */

  int onenand_spl_read_block(int block, int offset, int len, void *dst);

  void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst);

  #endif /* __UBOOT_ONENAND_H */