LXR linux/include/linux/mtd/physmap.h

   1/*
   2 * For boards with physically mapped flash and using
   3 * drivers/mtd/maps/physmap.c mapping driver.
   4 *
   5 * Copyright (C) 2003 MontaVista Software Inc.
   6 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
   7 *
   8 * This program is free software; you can redistribute  it and/or modify it
   9 * under  the terms of  the GNU General  Public License as published by the
  10 * Free Software Foundation;  either version 2 of the  License, or (at your
  11 * option) any later version.
  12 *
  13 */
  14
  15#ifndef __LINUX_MTD_PHYSMAP__
  16#define __LINUX_MTD_PHYSMAP__
  17
  18#include <linux/mtd/mtd.h>
  19#include <linux/mtd/partitions.h>
  20
  21struct map_info;
  22struct platform_device;
  23
  24struct physmap_flash_data {
  25        unsigned int            width;
  26        int                     (*init)(struct platform_device *);
  27        void                    (*exit)(struct platform_device *);
  28        void                    (*set_vpp)(struct platform_device *, int);
  29        unsigned int            nr_parts;
  30        unsigned int            pfow_base;
  31        char                    *probe_type;
  32        struct mtd_partition    *parts;
  33};
  34
  35/*
  36 * Board needs to specify the exact mapping during their setup time.
  37 */
  38void physmap_configure(unsigned long addr, unsigned long size,
  39                int bankwidth, void (*set_vpp)(struct map_info *, int) );
  40
  41/*
  42 * Machines that wish to do flash partition may want to call this function in
  43 * their setup routine.
  44 *
  45 *      physmap_set_partitions(mypartitions, num_parts);
  46 *
  47 * Note that one can always override this hard-coded partition with
  48 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
  49 */
  50void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
  51
  52#endif /* __LINUX_MTD_PHYSMAP__ */
  53