physmap.h 1.6 KB

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  1. /*
  2. * For boards with physically mapped flash and using
  3. * drivers/mtd/maps/physmap.c mapping driver.
  4. *
  5. * $Id: physmap.h,v 1.4 2005/11/07 11:14:55 gleixner 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. #include <linux/config.h>
  18. #if defined(CONFIG_MTD_PHYSMAP)
  19. #include <linux/mtd/mtd.h>
  20. #include <linux/mtd/map.h>
  21. #include <linux/mtd/partitions.h>
  22. struct physmap_flash_data {
  23. unsigned int width;
  24. void (*set_vpp)(struct map_info *, int);
  25. unsigned int nr_parts;
  26. struct mtd_partition *parts;
  27. };
  28. /*
  29. * Board needs to specify the exact mapping during their setup time.
  30. */
  31. void physmap_configure(unsigned long addr, unsigned long size,
  32. int bankwidth, void (*set_vpp)(struct map_info *, int) );
  33. #if defined(CONFIG_MTD_PARTITIONS)
  34. /*
  35. * Machines that wish to do flash partition may want to call this function in
  36. * their setup routine.
  37. *
  38. * physmap_set_partitions(mypartitions, num_parts);
  39. *
  40. * Note that one can always override this hard-coded partition with
  41. * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
  42. */
  43. void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
  44. #endif /* defined(CONFIG_MTD_PARTITIONS) */
  45. #endif /* defined(CONFIG_MTD) */
  46. #endif /* __LINUX_MTD_PHYSMAP__ */