LXR uboot/include/onenand

   1/*
   2 *  Header file for OneNAND support for U-Boot
   3 *
   4 *  Adaptation from kernel to U-Boot
   5 *
   6 *  Copyright (C) 2005-2007 Samsung Electronics
   7 *  Kyungmin Park <kyungmin.park@samsung.com>
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License version 2 as
  11 * published by the Free Software Foundation.
  12 */
  13
  14#ifndef __UBOOT_ONENAND_H
  15#define __UBOOT_ONENAND_H
  16
  17#include <linux/types.h>
  18
  19/* Forward declarations */
  20struct mtd_info;
  21struct mtd_oob_ops;
  22struct erase_info;
  23struct onenand_chip;
  24
  25extern struct mtd_info onenand_mtd;
  26extern struct onenand_chip onenand_chip;
  27
  28/* board */
  29extern int onenand_board_init(struct mtd_info *);
  30
  31/* Functions */
  32extern void onenand_init(void);
  33extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
  34                        size_t * retlen, u_char * buf);
  35extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops);
  36extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len,
  37                         size_t * retlen, const u_char * buf);
  38extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr);
  39
  40extern char *onenand_print_device_info(int device, int version);
  41
  42extern unsigned onenand_block(struct onenand_chip *this, loff_t addr);
  43
  44extern loff_t onenand_addr(struct onenand_chip *this, int block);
  45
  46extern int flexonenand_region(struct mtd_info *mtd, loff_t addr);
  47
  48extern int flexonenand_set_boundary(struct mtd_info *mtd, int die,
  49                                        int boundary, int lock);
  50
  51/* SPL */
  52int onenand_spl_read_block(int block, int offset, int len, void *dst);
  53void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst);
  54
  55#endif /* __UBOOT_ONENAND_H */
  56