physmap.h 1.5 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253
  1. /*
  2. * For boards with physically mapped flash and using
  3. * drivers/mtd/maps/physmap.c mapping driver.
  4. *
  5. * $Id: physmap.h,v 1.1.1.1 2007/06/12 07:27:16 eyryu Exp $
  6. *
  7. * Copyright (C) 2003 MontaVista Software Inc.
  8. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
  9. *
  10. * This program is free software; you can redistribute it and/or modify it
  11. * under the terms of the GNU General Public License as published by the
  12. * Free Software Foundation; either version 2 of the License, or (at your
  13. * option) any later version.
  14. *
  15. */
  16. #ifndef __LINUX_MTD_PHYSMAP__
  17. #define __LINUX_MTD_PHYSMAP__
  18. #include <linux/mtd/mtd.h>
  19. #include <linux/mtd/partitions.h>
  20. struct map_info;
  21. struct physmap_flash_data {
  22. unsigned int width;
  23. void (*set_vpp)(struct map_info *, int);
  24. unsigned int nr_parts;
  25. struct mtd_partition *parts;
  26. };
  27. /*
  28. * Board needs to specify the exact mapping during their setup time.
  29. */
  30. void physmap_configure(unsigned long addr, unsigned long size,
  31. int bankwidth, void (*set_vpp)(struct map_info *, int) );
  32. #ifdef CONFIG_MTD_PARTITIONS
  33. /*
  34. * Machines that wish to do flash partition may want to call this function in
  35. * their setup routine.
  36. *
  37. * physmap_set_partitions(mypartitions, num_parts);
  38. *
  39. * Note that one can always override this hard-coded partition with
  40. * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
  41. */
  42. void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
  43. #endif /* defined(CONFIG_MTD_PARTITIONS) */
  44. #endif /* __LINUX_MTD_PHYSMAP__ */