aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c24xx/s3c2416.c
blob: 77ee0b732237d93de59c80632279a00dbf5dc2bd (plain)
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/* linux/arch/arm/mach-s3c2416/s3c2416.c
 *
 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
 *	as part of OpenInkpot project
 * Copyright (c) 2009 Promwad Innovation Company
 *	Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
 *
 * Samsung S3C2416 Mobile CPU support
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/device.h>
#include <linux/syscore_ops.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/system_misc.h>

#include <mach/regs-s3c2443-clock.h>

#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
#include <plat/s3c2416.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/sdhci.h>
#include <plat/pm.h>

#include <plat/iic-core.h>
#include <plat/fb-core.h>
#include <plat/nand-core.h>
#include <plat/adc-core.h>
#include <plat/rtc-core.h>
#include <plat/spi-core.h>

static struct map_desc s3c2416_iodesc[] __initdata = {
	IODESC_ENT(WATCHDOG),
	IODESC_ENT(CLKPWR),
	IODESC_ENT(TIMER),
};

struct bus_type s3c2416_subsys = {
	.name = "s3c2416-core",
	.dev_name = "s3c2416-core",
};

static struct device s3c2416_dev = {
	.bus		= &s3c2416_subsys,
};

void s3c2416_restart(char mode, const char *cmd)
{
	if (mode == 's')
		soft_restart(0);

	__raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
}

int __init s3c2416_init(void)
{
	printk(KERN_INFO "S3C2416: Initializing architecture\n");

	/* change WDT IRQ number */
	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;

	/* the i2c devices are directly compatible with s3c2440 */
	s3c_i2c0_setname("s3c2440-i2c");
	s3c_i2c1_setname("s3c2440-i2c");

	s3c_fb_setname("s3c2443-fb");

	s3c_adc_setname("s3c2416-adc");
	s3c_rtc_setname("s3c2416-rtc");

#ifdef CONFIG_PM
	register_syscore_ops(&s3c2416_pm_syscore_ops);
#endif
	register_syscore_ops(&s3c24xx_irq_syscore_ops);
	register_syscore_ops(&s3c2416_irq_syscore_ops);

	return device_register(&s3c2416_dev);
}

void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);

	s3c_nand_setname("s3c2412-nand");
}

/* s3c2416_map_io
 *
 * register the standard cpu IO areas, and any passed in from the
 * machine specific initialisation.
 */

void __init s3c2416_map_io(void)
{
	s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
	s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;

	/* initialize device information early */
	s3c2416_default_sdhci0();
	s3c2416_default_sdhci1();
	s3c64xx_spi_setname("s3c2443-spi");

	iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
}

/* need to register the subsystem before we actually register the device, and
 * we also need to ensure that it has been initialised before any of the
 * drivers even try to use it (even if not on an s3c2416 based system)
 * as a driver which may support both 2443 and 2440 may try and use it.
*/

static int __init s3c2416_core_init(void)
{
	return subsys_system_register(&s3c2416_subsys, NULL);
}

core_initcall(s3c2416_core_init);