2 * Samsung's S5PC110/S5PV210 flattened device tree enabled machine.
4 * Copyright (c) 2013-2014 Samsung Electronics Co., Ltd.
5 * Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
6 * Tomasz Figa <t.figa@samsung.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/of_fdt.h>
14 #include <linux/of_platform.h>
16 #include <asm/mach/arch.h>
17 #include <asm/mach/map.h>
18 #include <asm/system_misc.h>
20 #include <plat/map-base.h>
23 #include "regs-clock.h"
25 static int __init s5pv210_fdt_map_sys(unsigned long node, const char *uname,
26 int depth, void *data)
28 struct map_desc iodesc;
32 if (!of_flat_dt_is_compatible(node, "samsung,s5pv210-clock"))
35 reg = of_get_flat_dt_prop(node, "reg", &len);
36 if (reg == NULL || len != (sizeof(unsigned long) * 2))
39 iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0]));
40 iodesc.length = be32_to_cpu(reg[1]) - 1;
41 iodesc.virtual = (unsigned long)S3C_VA_SYS;
42 iodesc.type = MT_DEVICE;
43 iotable_init(&iodesc, 1);
48 static void __init s5pv210_dt_map_io(void)
52 of_scan_flat_dt(s5pv210_fdt_map_sys, NULL);
55 static void s5pv210_dt_restart(enum reboot_mode mode, const char *cmd)
57 __raw_writel(0x1, S5P_SWRESET);
60 static void __init s5pv210_dt_init_late(void)
62 platform_device_register_simple("s5pv210-cpufreq", -1, NULL, 0);
66 static char const *s5pv210_dt_compat[] __initconst = {
72 DT_MACHINE_START(S5PV210_DT, "Samsung S5PC110/S5PV210-based board")
73 .dt_compat = s5pv210_dt_compat,
74 .map_io = s5pv210_dt_map_io,
75 .restart = s5pv210_dt_restart,
76 .init_late = s5pv210_dt_init_late,