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 21 struct map_info; 22 23 struct physmap_flash_data { 24 unsigned int width; 25 void (*set_vpp)(struct map_info *, int); 26 unsigned int nr_parts; 27 unsigned int pfow_base; 28 struct mtd_partition *parts; 29 }; 30 31 /* 32 * Board needs to specify the exact mapping during their setup time. 33 */ 34 void physmap_configure(unsigned long addr, unsigned long size, 35 int bankwidth, void (*set_vpp)(struct map_info *, int) ); 36 37 #ifdef CONFIG_MTD_PARTITIONS 38 39 /* 40 * Machines that wish to do flash partition may want to call this function in 41 * their setup routine. 42 * 43 * physmap_set_partitions(mypartitions, num_parts); 44 * 45 * Note that one can always override this hard-coded partition with 46 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). 47 */ 48 void physmap_set_partitions(struct mtd_partition *parts, int num_parts); 49 50 #endif /* defined(CONFIG_MTD_PARTITIONS) */ 51 52 #endif /* __LINUX_MTD_PHYSMAP__ */ 53