/* * Renesas Technology Europe RSK+ Support. * * Copyright (C) 2008 Paul Mundt * Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk> * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include <linux/init.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/mtd/map.h> #include <asm/machvec.h> #include <asm/io.h> static const char *probes[] = { "cmdlinepart", NULL }; static struct mtd_partition *parsed_partitions; static struct mtd_partition rsk_partitions[] = { { .name = "Bootloader", .offset = 0x00000000, .size = 0x00040000, .mask_flags = MTD_WRITEABLE, }, { .name = "Kernel", .offset = MTDPART_OFS_NXTBLK, .size = 0x001c0000, }, { .name = "Flash_FS", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, } }; static struct physmap_flash_data flash_data = { .width = 2, }; static struct resource flash_resource = { .start = 0x20000000, .end = 0x20400000, .flags = IORESOURCE_MEM, }; static struct platform_device flash_device = { .name = "physmap-flash", .id = -1, .resource = &flash_resource, .num_resources = 1, .dev = { .platform_data = &flash_data, }, }; static struct mtd_info *flash_mtd; static struct map_info rsk_flash_map = { .name = "RSK+ Flash", .size = 0x400000, .bankwidth = 2, }; static void __init set_mtd_partitions(void) { int nr_parts = 0; simple_map_init(&rsk_flash_map); flash_mtd = do_map_probe("cfi_probe", &rsk_flash_map); nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_partitions, 0); /* If there is no partition table, used the hard coded table */ if (nr_parts <= 0) { flash_data.parts = rsk_partitions; flash_data.nr_parts = ARRAY_SIZE(rsk_partitions); } else { flash_data.nr_parts = nr_parts; flash_data.parts = parsed_partitions; } } static struct platform_device *rsk_devices[] __initdata = { &flash_device, }; static int __init rsk_devices_setup(void) { set_mtd_partitions(); return platform_add_devices(rsk_devices, ARRAY_SIZE(rsk_devices)); } device_initcall(rsk_devices_setup); /* * The Machine Vector */ static struct sh_machine_vector mv_rsk __initmv = { .mv_name = "RSK+", };