1/*
 2 * Samsung's S5PC110/S5PV210 flattened device tree enabled machine.
 3 *
 4 * Copyright (c) 2013-2014 Samsung Electronics Co., Ltd.
 5 * Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
 6 * Tomasz Figa <t.figa@samsung.com>
 7 *
 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.
11 */
12
13#include <linux/of_fdt.h>
14#include <linux/of_platform.h>
15
16#include <asm/mach/arch.h>
17#include <asm/mach/map.h>
18#include <asm/system_misc.h>
19
20#include <plat/map-base.h>
21
22#include "common.h"
23#include "regs-clock.h"
24
25static int __init s5pv210_fdt_map_sys(unsigned long node, const char *uname,
26					int depth, void *data)
27{
28	struct map_desc iodesc;
29	const __be32 *reg;
30	int len;
31
32	if (!of_flat_dt_is_compatible(node, "samsung,s5pv210-clock"))
33		return 0;
34
35	reg = of_get_flat_dt_prop(node, "reg", &len);
36	if (reg == NULL || len != (sizeof(unsigned long) * 2))
37		return 0;
38
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);
44
45	return 1;
46}
47
48static void __init s5pv210_dt_map_io(void)
49{
50	debug_ll_io_init();
51
52	of_scan_flat_dt(s5pv210_fdt_map_sys, NULL);
53}
54
55static void s5pv210_dt_restart(enum reboot_mode mode, const char *cmd)
56{
57	__raw_writel(0x1, S5P_SWRESET);
58}
59
60static void __init s5pv210_dt_init_late(void)
61{
62	platform_device_register_simple("s5pv210-cpufreq", -1, NULL, 0);
63	s5pv210_pm_init();
64}
65
66static char const *const s5pv210_dt_compat[] __initconst = {
67	"samsung,s5pc110",
68	"samsung,s5pv210",
69	NULL
70};
71
72DT_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,
77MACHINE_END

 1// SPDX-License-Identifier: GPL-2.0
 2//
 3// Samsung's S5PC110/S5PV210 flattened device tree enabled machine.
 4//
 5// Copyright (c) 2013-2014 Samsung Electronics Co., Ltd.
 6// Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
 7// Tomasz Figa <t.figa@samsung.com>
 
 
 
 
 8
 9#include <linux/of_fdt.h>
10#include <linux/platform_device.h>
11
12#include <asm/mach/arch.h>
13#include <asm/mach/map.h>
14#include <asm/system_misc.h>
 
 
15
16#include "common.h"
17#include "regs-clock.h"
18
19static int __init s5pv210_fdt_map_sys(unsigned long node, const char *uname,
20					int depth, void *data)
21{
22	struct map_desc iodesc;
23	const __be32 *reg;
24	int len;
25
26	if (!of_flat_dt_is_compatible(node, "samsung,s5pv210-clock"))
27		return 0;
28
29	reg = of_get_flat_dt_prop(node, "reg", &len);
30	if (reg == NULL || len != (sizeof(unsigned long) * 2))
31		return 0;
32
33	iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0]));
34	iodesc.length = be32_to_cpu(reg[1]) - 1;
35	iodesc.virtual = (unsigned long)S3C_VA_SYS;
36	iodesc.type = MT_DEVICE;
37	iotable_init(&iodesc, 1);
38
39	return 1;
40}
41
42static void __init s5pv210_dt_map_io(void)
43{
44	debug_ll_io_init();
45
46	of_scan_flat_dt(s5pv210_fdt_map_sys, NULL);
47}
48
49static void s5pv210_dt_restart(enum reboot_mode mode, const char *cmd)
50{
51	__raw_writel(0x1, S5P_SWRESET);
52}
53
54static void __init s5pv210_dt_init_late(void)
55{
56	platform_device_register_simple("s5pv210-cpufreq", -1, NULL, 0);
57	s5pv210_pm_init();
58}
59
60static char const *const s5pv210_dt_compat[] __initconst = {
61	"samsung,s5pc110",
62	"samsung,s5pv210",
63	NULL
64};
65
66DT_MACHINE_START(S5PV210_DT, "Samsung S5PC110/S5PV210-based board")
67	.dt_compat = s5pv210_dt_compat,
68	.map_io = s5pv210_dt_map_io,
69	.restart = s5pv210_dt_restart,
70	.init_late = s5pv210_dt_init_late,
71MACHINE_END