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