72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// 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/platform_device.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
|