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, [email protected] or [email protected] 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 int (*init)(struct platform_device *); 26 void (*exit)(struct platform_device *); 27 void (*set_vpp)(struct map_info *, int); 28 unsigned int nr_parts; 29 unsigned int pfow_base; 30 char *probe_type; 31 struct mtd_partition *parts; 32 }; 33 34 /* 35 * Board needs to specify the exact mapping during their setup time. 36 */ 37 void physmap_configure(unsigned long addr, unsigned long size, 38 int bankwidth, void (*set_vpp)(struct map_info *, int) ); 39 40 #ifdef CONFIG_MTD_PARTITIONS 41 42 /* 43 * Machines that wish to do flash partition may want to call this function in 44 * their setup routine. 45 * 46 * physmap_set_partitions(mypartitions, num_parts); 47 * 48 * Note that one can always override this hard-coded partition with 49 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). 50 */ 51 void physmap_set_partitions(struct mtd_partition *parts, int num_parts); 52 53 #endif /* defined(CONFIG_MTD_PARTITIONS) */ 54 55 #endif /* __LINUX_MTD_PHYSMAP__ */ 56