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, [email protected] or [email protected] 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 17 #ifndef __LINUX_MTD_PHYSMAP__ 18 19 20 #if defined(CONFIG_MTD_PHYSMAP) 21 22 #include <linux/mtd/mtd.h> 23 #include <linux/mtd/map.h> 24 #include <linux/mtd/partitions.h> 25 26 /* 27 * The map_info for physmap. Board can override size, buswidth, phys, 28 * (*set_vpp)(), etc in their initial setup routine. 29 */ 30 extern struct map_info physmap_map; 31 32 /* 33 * Board needs to specify the exact mapping during their setup time. 34 */ 35 static inline void physmap_configure(unsigned long addr, unsigned long size, int bankwidth, void (*set_vpp)(struct map_info *, int) ) 36 { 37 physmap_map.phys = addr; 38 physmap_map.size = size; 39 physmap_map.bankwidth = bankwidth; 40 physmap_map.set_vpp = set_vpp; 41 } 42 43 #if defined(CONFIG_MTD_PARTITIONS) 44 45 /* 46 * Machines that wish to do flash partition may want to call this function in 47 * their setup routine. 48 * 49 * physmap_set_partitions(mypartitions, num_parts); 50 * 51 * Note that one can always override this hard-coded partition with 52 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). 53 */ 54 void physmap_set_partitions(struct mtd_partition *parts, int num_parts); 55 56 #endif /* defined(CONFIG_MTD_PARTITIONS) */ 57 #endif /* defined(CONFIG_MTD) */ 58 59 #endif /* __LINUX_MTD_PHYSMAP__ */ 60 61