Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / arch / arm / mach-s3c64xx / mach-s3c64xx-dt.c
blob1724f5ea5c462f3def8d22d81aa497bf3ce51ecd
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Samsung's S3C64XX flattened device tree enabled machine
4 //
5 // Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
7 #include <asm/mach/arch.h>
8 #include <asm/mach/map.h>
9 #include <asm/system_misc.h>
11 #include <plat/cpu.h>
12 #include <mach/map.h>
14 #include "common.h"
15 #include "watchdog-reset.h"
18 * IO mapping for shared system controller IP.
20 * FIXME: Make remaining drivers use dynamic mapping.
22 static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
24 .virtual = (unsigned long)S3C_VA_SYS,
25 .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
26 .length = SZ_4K,
27 .type = MT_DEVICE,
31 static void __init s3c64xx_dt_map_io(void)
33 debug_ll_io_init();
34 iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
36 s3c64xx_init_cpu();
38 if (!soc_is_s3c64xx())
39 panic("SoC is not S3C64xx!");
42 static void __init s3c64xx_dt_init_machine(void)
44 samsung_wdt_reset_of_init();
47 static void s3c64xx_dt_restart(enum reboot_mode mode, const char *cmd)
49 if (mode != REBOOT_SOFT)
50 samsung_wdt_reset();
52 /* if all else fails, or mode was for soft, jump to 0 */
53 soft_restart(0);
56 static const char *const s3c64xx_dt_compat[] __initconst = {
57 "samsung,s3c6400",
58 "samsung,s3c6410",
59 NULL
62 DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
63 /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
64 .dt_compat = s3c64xx_dt_compat,
65 .map_io = s3c64xx_dt_map_io,
66 .init_machine = s3c64xx_dt_init_machine,
67 .restart = s3c64xx_dt_restart,
68 MACHINE_END