nand.h 1.6 KB

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  1. /*
  2. * (C) Copyright 2005
  3. * 2N Telekomunikace, a.s. <www.2n.cz>
  4. * Ladislav Michl <michl@2n.cz>
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License
  11. * version 2 as published by the Free Software Foundation.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef _NAND_H_
  24. #define _NAND_H_
  25. #include <linux/mtd/compat.h>
  26. #include <linux/mtd/mtd.h>
  27. #include <linux/mtd/nand.h>
  28. typedef struct mtd_info nand_info_t;
  29. extern int nand_curr_device;
  30. extern nand_info_t nand_info[];
  31. static inline int nand_read(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
  32. {
  33. return info->read(info, ofs, *len, (size_t *)len, buf);
  34. }
  35. static inline int nand_write(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
  36. {
  37. return info->write(info, ofs, *len, (size_t *)len, buf);
  38. }
  39. static inline int nand_block_isbad(nand_info_t *info, ulong ofs)
  40. {
  41. return info->block_isbad(info, ofs);
  42. }
  43. static inline int nand_erase(nand_info_t *info, ulong off, ulong size)
  44. {
  45. struct erase_info instr;
  46. instr.mtd = info;
  47. instr.addr = off;
  48. instr.len = size;
  49. instr.callback = 0;
  50. return info->erase(info, &instr);
  51. }
  52. #endif