diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig --- linux.old/drivers/mtd/maps/Kconfig 2006-08-30 06:30:59.000000000 +0200 +++ linux.dev/drivers/mtd/maps/Kconfig 2006-08-30 06:11:51.000000000 +0200 @@ -323,6 +323,15 @@ Walnut board. If you have one of these boards and would like to use the flash chips on it, say 'Y'. +config MTD_MAGICMAP + tristate "Flash device mapped on IBM 405EP MagicBox" + depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX + help + This enables access routines for the flash chips on the IBM 405EP + MagicBox board. If you have one of these boards and would like to + use the flash chips on it, say 'Y'. + + config MTD_EBONY tristate "Flash devices mapped on IBM 440GP Ebony" depends on MTD_JEDECPROBE && EBONY diff -urN linux.old/drivers/mtd/maps/magicmap.c linux.dev/drivers/mtd/maps/magicmap.c --- linux.old/drivers/mtd/maps/magicmap.c 1970-01-01 01:00:00.000000000 +0100 +++ linux.dev/drivers/mtd/maps/magicmap.c 2006-08-30 06:52:34.000000000 +0200 @@ -0,0 +1,113 @@ +/* + * magicmap.c: Copyleft 2005 Karol Lewandowski + * + * Mapping for MagicBox flash. + * Based on walnut.c. + * + * Heikki Lindholm + * + * + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct mtd_info *flash; + +static struct map_info magic_map = { + .name = "Magically mapped flash", + .phys = 0xffc00000, + .size = 0x400000, + .bankwidth = 2, +}; + +static struct mtd_partition magic_partitions[] = { + { + .name = "linux", + .offset = 0x0, + .size = 0x3c0000, + }, + { + .name = "rootfs", + .offset = 0x100000, + .size = 0x2c0000, + }, + { + .name = "bootloader", + .offset = 0x3c0000, + .size = 0x040000, + .mask_flags = MTD_WRITEABLE, + }, +}; + +int __init init_magic(void) +{ + u32 size, len; + + magic_map.virt = + (void __iomem *)ioremap(magic_map.phys, magic_map.size); + + if (!magic_map.virt) { + printk("Failed to ioremap flash.\n"); + return -EIO; + } + + simple_map_init(&magic_map); + + flash = do_map_probe("cfi_probe", &magic_map); + if (flash) { + flash->owner = THIS_MODULE; + if (flash->read(flash, 12, sizeof(u32), &len, (char *) &size) || + len != 4) + return -ENXIO; + size += 0x40; /* header size of the uImage */ + if (size < 0x400000) { + /* skip to next erase block */ + if (size & (flash->erasesize - 1)) { + size |= (flash->erasesize - 1); + size += 1; + } + magic_partitions[1].offset = size; + magic_partitions[1].size = magic_partitions[2].offset - size; + } + + add_mtd_partitions(flash, magic_partitions, + ARRAY_SIZE(magic_partitions)); + } else { + printk("map probe failed for flash\n"); + return -ENXIO; + } + + return 0; +} + +static void __exit cleanup_magic(void) +{ + if (flash) { + del_mtd_partitions(flash); + map_destroy(flash); + } + + if (magic_map.virt) { + iounmap((void *)magic_map.virt); + magic_map.virt = NULL; + } +} + +module_init(init_magic); +module_exit(cleanup_magic); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Karol Lewandowski"); +MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards"); diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile --- linux.old/drivers/mtd/maps/Makefile 2006-08-30 06:30:59.000000000 +0200 +++ linux.dev/drivers/mtd/maps/Makefile 2006-08-30 06:11:51.000000000 +0200 @@ -58,6 +58,7 @@ obj-$(CONFIG_MTD_BEECH) += beech-mtd.o obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o obj-$(CONFIG_MTD_WALNUT) += walnut.o +obj-$(CONFIG_MTD_MAGICMAP) += magicmap.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o