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Diffstat (limited to 'include/linux/mtd/physmap.h')
| -rw-r--r-- | include/linux/mtd/physmap.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h new file mode 100644 index 00000000000..05aa4970677 --- /dev/null +++ b/include/linux/mtd/physmap.h @@ -0,0 +1,61 @@ +/* + * For boards with physically mapped flash and using + * drivers/mtd/maps/physmap.c mapping driver. + * + * $Id: physmap.h,v 1.3 2004/07/21 00:16:15 jwboyer Exp $ + * + * Copyright (C) 2003 MontaVista Software Inc. + * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MTD_PHYSMAP__ + +#include <linux/config.h> + +#if defined(CONFIG_MTD_PHYSMAP) + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> + +/* + * The map_info for physmap. Board can override size, buswidth, phys, + * (*set_vpp)(), etc in their initial setup routine. + */ +extern struct map_info physmap_map; + +/* + * Board needs to specify the exact mapping during their setup time. + */ +static inline void physmap_configure(unsigned long addr, unsigned long size, int bankwidth, void (*set_vpp)(struct map_info *, int) ) +{ + physmap_map.phys = addr; + physmap_map.size = size; + physmap_map.bankwidth = bankwidth; + physmap_map.set_vpp = set_vpp; +} + +#if defined(CONFIG_MTD_PARTITIONS) + +/* + * Machines that wish to do flash partition may want to call this function in + * their setup routine. + * + * physmap_set_partitions(mypartitions, num_parts); + * + * Note that one can always override this hard-coded partition with + * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). + */ +void physmap_set_partitions(struct mtd_partition *parts, int num_parts); + +#endif /* defined(CONFIG_MTD_PARTITIONS) */ +#endif /* defined(CONFIG_MTD) */ + +#endif /* __LINUX_MTD_PHYSMAP__ */ + |