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