include/onenand_uboot.h

   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 */
  20 struct mtd_info;
  21 struct mtd_oob_ops;
  22 struct erase_info;
  23 struct onenand_chip;
  24
  25 extern struct mtd_info onenand_mtd;
  26 extern struct onenand_chip onenand_chip;
  27
  28 /* board */
  29 extern int onenand_board_init(struct mtd_info *);
  30
  31 /* Functions */
  32 extern void onenand_init(void);
  33 extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
  34                         size_t * retlen, u_char * buf);
  35 extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops);
  36 extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len,
  37                          size_t * retlen, const u_char * buf);
  38 extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr);
  39
  40 extern char *onenand_print_device_info(int device, int version);
  41
  42 extern unsigned onenand_block(struct onenand_chip *this, loff_t addr);
  43
  44 extern loff_t onenand_addr(struct onenand_chip *this, int block);
  45
  46 extern int flexonenand_region(struct mtd_info *mtd, loff_t addr);
  47
  48 extern int flexonenand_set_boundary(struct mtd_info *mtd, int die,
  49                                         int boundary, int lock);
  50
  51 /* SPL */
  52 int onenand_spl_read_block(int block, int offset, int len, void *dst);
  53 void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst);
  54
  55 #endif /* __UBOOT_ONENAND_H */