/* *  sh-mobile_se.c - mapper for SH7300(SH-Mobile) Solution Engine. * *  Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> */#include <linux/module.h>#include <linux/types.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/mtd/mtd.h>#include <linux/mtd/map.h>#include <linux/mtd/partitions.h>#include <linux/config.h>#include <linux/errno.h>__u16shmse_read16(struct map_info *map, unsigned long ofs){	return *(volatile unsigned short *) (map->phys + ofs);}                                                                                                                                                              voidshmse_write16(struct map_info *map, __u16 d, unsigned long adr){	*(__u16 *) (map->phys + adr) = d;	mb();}                                                                                                                                                              voidshmse_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len){	memcpy(to, (void *) (map->phys + from), len);}struct map_info shmse_eprom_map;struct map_info shmse_flash_map = {	.name = "SH-Mobile SolutionEngine Flash",#if defined(CONFIG_CPU_SUBTYPE_SH73180)	.phys = 0xb8000000,	.size = 0x2000000,#else	.phys = 0xa0000000,	.size = 0x400000,#endif	.bankwidth = 2,	.read = shmse_read16,	.write = shmse_write16,	.copy_from = shmse_copy_from,};static struct mtd_partition shmse_eprom_partitions[] = {	{		.name = "ROM",		.size = 0x400000,		.offset = 0	}};static struct mtd_partition shmse_flash_partitions[] = {	{		.name = "boot firmware",		.size = 0x20000,	/* 32KB */		.offset = 0	},	{		.name = "boot/kernel/filesys",		.size = MTDPART_SIZ_FULL,		.offset = MTDPART_OFS_APPEND,	},};static struct mtd_info *shmse_eprom_mtd;static struct mtd_info *shmse_flash_mtd;#define N(x) (sizeof(x)/sizeof(*x))int __initinit_shmse(void){	if (!(shmse_flash_mtd = do_map_probe("cfi_probe", &shmse_flash_map))) {		shmse_flash_map.phys += 0x00400000;		shmse_flash_mtd = do_map_probe("cfi_probe", &shmse_flash_map);	}	if (shmse_flash_mtd) {		if (add_mtd_partitions(shmse_flash_mtd, shmse_flash_partitions,				       N(shmse_flash_partitions)) != 0)			return -ENXIO;	} else		return -ENXIO;	shmse_eprom_map = shmse_flash_map;	shmse_eprom_map.name = "SH-Mobile SolutionEngine EPROM";#if defined(CONFIG_CPU_SUBTYPE_SH73180)	shmse_eprom_map.phys  = 0xa0000000;#else	shmse_eprom_map.phys ^= 0x00400000;#endif	shmse_eprom_mtd = do_map_probe("map_rom", &shmse_eprom_map);	if (shmse_eprom_mtd) {		if (add_mtd_partitions(shmse_eprom_mtd, shmse_eprom_partitions,				       N(shmse_eprom_partitions)) != 0)			return -ENXIO;		return 0;	}	return -ENXIO;}static void __exitcleanup_shmse(void){	if (shmse_flash_mtd) {		del_mtd_partitions(shmse_flash_mtd);		map_destroy(shmse_flash_mtd);	}	if (shmse_eprom_mtd) {		del_mtd_partitions(shmse_eprom_mtd);		map_destroy(shmse_eprom_mtd);	}}MODULE_LICENSE("GPL");module_init(init_shmse);module_exit(cleanup_shmse);