1/* linux/arch/arm/mach-s3c2416/s3c2416.c
2 *
3 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
4 *	as part of OpenInkpot project
5 * Copyright (c) 2009 Promwad Innovation Company
6 *	Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
7 *
8 * Samsung S3C2416 Mobile CPU support
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23*/
24
25#include <linux/kernel.h>
26#include <linux/types.h>
27#include <linux/interrupt.h>
28#include <linux/list.h>
29#include <linux/timer.h>
30#include <linux/init.h>
31#include <linux/gpio.h>
32#include <linux/platform_device.h>
33#include <linux/serial_core.h>
34#include <linux/device.h>
35#include <linux/syscore_ops.h>
36#include <linux/clk.h>
37#include <linux/io.h>
38#include <linux/reboot.h>
39
40#include <asm/mach/arch.h>
41#include <asm/mach/map.h>
42#include <asm/mach/irq.h>
43
44#include <mach/hardware.h>
45#include <mach/gpio-samsung.h>
46#include <asm/proc-fns.h>
47#include <asm/irq.h>
48#include <asm/system_misc.h>
49
50#include <mach/regs-s3c2443-clock.h>
51#include <mach/rtc-core.h>
52
53#include <plat/gpio-core.h>
54#include <plat/gpio-cfg.h>
55#include <plat/gpio-cfg-helpers.h>
56#include <plat/devs.h>
57#include <plat/cpu.h>
58#include <plat/sdhci.h>
59#include <plat/pm.h>
60
61#include <plat/iic-core.h>
62#include <plat/adc-core.h>
63
64#include "common.h"
65#include "fb-core.h"
66#include "nand-core.h"
67#include "spi-core.h"
68
69static struct map_desc s3c2416_iodesc[] __initdata = {
70	IODESC_ENT(WATCHDOG),
71	IODESC_ENT(CLKPWR),
72	IODESC_ENT(TIMER),
73};
74
75struct bus_type s3c2416_subsys = {
76	.name = "s3c2416-core",
77	.dev_name = "s3c2416-core",
78};
79
80static struct device s3c2416_dev = {
81	.bus		= &s3c2416_subsys,
82};
83
84int __init s3c2416_init(void)
85{
86	printk(KERN_INFO "S3C2416: Initializing architecture\n");
87
88	/* change WDT IRQ number */
89	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
90	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
91
92	/* the i2c devices are directly compatible with s3c2440 */
93	s3c_i2c0_setname("s3c2440-i2c");
94	s3c_i2c1_setname("s3c2440-i2c");
95
96	s3c_fb_setname("s3c2443-fb");
97
98	s3c_adc_setname("s3c2416-adc");
99	s3c_rtc_setname("s3c2416-rtc");
100
101#ifdef CONFIG_PM_SLEEP
102	register_syscore_ops(&s3c2416_pm_syscore_ops);
103	register_syscore_ops(&s3c24xx_irq_syscore_ops);
104	register_syscore_ops(&s3c2416_irq_syscore_ops);
105#endif
106
107	return device_register(&s3c2416_dev);
108}
109
110void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
111{
112	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
113
114	s3c_nand_setname("s3c2412-nand");
115}
116
117/* s3c2416_map_io
118 *
119 * register the standard cpu IO areas, and any passed in from the
120 * machine specific initialisation.
121 */
122
123void __init s3c2416_map_io(void)
124{
125	s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
126	s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
127
128	/* initialize device information early */
129	s3c2416_default_sdhci0();
130	s3c2416_default_sdhci1();
131	s3c64xx_spi_setname("s3c2443-spi");
132
133	iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
134}
135
136/* need to register the subsystem before we actually register the device, and
137 * we also need to ensure that it has been initialised before any of the
138 * drivers even try to use it (even if not on an s3c2416 based system)
139 * as a driver which may support both 2443 and 2440 may try and use it.
140*/
141
142static int __init s3c2416_core_init(void)
143{
144	return subsys_system_register(&s3c2416_subsys, NULL);
145}
146
147core_initcall(s3c2416_core_init);
148