/* * Flash on MPC-1211 * * $Id: mpc1211.c,v 1.4 2004/09/16 23:27:13 gleixner Exp $ * * (C) 2002 Interface, Saito.K & Jeanne * * GPL'd */ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> #include <linux/config.h> static struct mtd_info *flash_mtd; static struct mtd_partition *parsed_parts; struct map_info mpc1211_flash_map = { .name = "MPC-1211 FLASH", .size = 0x80000, .bankwidth = 1, }; static struct mtd_partition mpc1211_partitions[] = { { .name = "IPL & ETH-BOOT", .offset = 0x00000000, .size = 0x10000, }, { .name = "Flash FS", .offset = 0x00010000, .size = MTDPART_SIZ_FULL, } }; static int __init init_mpc1211_maps(void) { int nr_parts; mpc1211_flash_map.phys = 0; mpc1211_flash_map.virt = (void __iomem *)P2SEGADDR(0); simple_map_init(&mpc1211_flash_map); printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n"); flash_mtd = do_map_probe("jedec_probe", &mpc1211_flash_map); if (!flash_mtd) { printk(KERN_NOTICE "Flash chips not detected at either possible location.\n"); return -ENXIO; } printk(KERN_NOTICE "MPC-1211: Flash at 0x%08lx\n", mpc1211_flash_map.virt & 0x1fffffff); flash_mtd->module = THIS_MODULE; parsed_parts = mpc1211_partitions; nr_parts = ARRAY_SIZE(mpc1211_partitions); add_mtd_partitions(flash_mtd, parsed_parts, nr_parts); return 0; } static void __exit cleanup_mpc1211_maps(void) { if (parsed_parts) del_mtd_partitions(flash_mtd); else del_mtd_device(flash_mtd); map_destroy(flash_mtd); } module_init(init_mpc1211_maps); module_exit(cleanup_mpc1211_maps); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Saito.K & Jeanne <ksaito@interface.co.jp>"); MODULE_DESCRIPTION("MTD map driver for MPC-1211 boards. Interface");