2 * Samsung's S3C64XX flattened device tree enabled machine
4 * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <asm/mach/arch.h>
12 #include <asm/mach/map.h>
13 #include <asm/system_misc.h>
19 #include "watchdog-reset.h"
22 * IO mapping for shared system controller IP.
24 * FIXME: Make remaining drivers use dynamic mapping.
26 static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
28 .virtual = (unsigned long)S3C_VA_SYS,
29 .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
35 static void __init s3c64xx_dt_map_io(void)
38 iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
42 if (!soc_is_s3c64xx())
43 panic("SoC is not S3C64xx!");
46 static void __init s3c64xx_dt_init_machine(void)
48 samsung_wdt_reset_of_init();
51 static void s3c64xx_dt_restart(enum reboot_mode mode, const char *cmd)
53 if (mode != REBOOT_SOFT)
56 /* if all else fails, or mode was for soft, jump to 0 */
60 static const char *const s3c64xx_dt_compat[] __initconst = {
66 DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
67 /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
68 .dt_compat = s3c64xx_dt_compat,
69 .map_io = s3c64xx_dt_map_io,
70 .init_machine = s3c64xx_dt_init_machine,
71 .restart = s3c64xx_dt_restart,