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Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +09001/* 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>
Ben Dookseb90de42010-04-30 19:48:02 +090031#include <linux/gpio.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090032#include <linux/platform_device.h>
33#include <linux/serial_core.h>
Kay Sievers4a858cf2011-12-21 16:01:38 -080034#include <linux/device.h>
Rafael J. Wysockibb072c32011-04-22 22:03:21 +020035#include <linux/syscore_ops.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090036#include <linux/clk.h>
37#include <linux/io.h>
Robin Holt7b6d8642013-07-08 16:01:40 -070038#include <linux/reboot.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090039
40#include <asm/mach/arch.h>
41#include <asm/mach/map.h>
42#include <asm/mach/irq.h>
43
44#include <mach/hardware.h>
Linus Walleijb0161ca2014-01-14 14:24:24 +010045#include <mach/gpio-samsung.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090046#include <asm/proc-fns.h>
47#include <asm/irq.h>
David Howells9f97da72012-03-28 18:30:01 +010048#include <asm/system_misc.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090049
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090050#include <mach/regs-s3c2443-clock.h>
Sachin Kamatd93c3ba2014-02-15 09:24:29 +090051#include <mach/rtc-core.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090052
Ben Dookseb90de42010-04-30 19:48:02 +090053#include <plat/gpio-core.h>
54#include <plat/gpio-cfg.h>
55#include <plat/gpio-cfg-helpers.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090056#include <plat/devs.h>
57#include <plat/cpu.h>
Yauhen Kharuzhyc29cfa62010-12-17 14:42:09 +090058#include <plat/sdhci.h>
Rafael J. Wysockibb072c32011-04-22 22:03:21 +020059#include <plat/pm.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090060
Ben Dookse12ef7f2010-05-03 16:44:35 +090061#include <plat/iic-core.h>
Heiko Stuebner35cc3ce2011-10-12 21:34:12 +090062#include <plat/adc-core.h>
Ben Dookse12ef7f2010-05-03 16:44:35 +090063
Heiko Stuebnerd8fdec12013-01-29 10:25:22 -080064#include "common.h"
Kukjin Kimf30e3292015-07-30 02:00:35 +090065#include "fb-core.h"
Kukjin Kimf8eed6c2015-07-30 02:00:35 +090066#include "nand-core.h"
Kukjin Kimdd04e472015-07-30 02:00:35 +090067#include "spi-core.h"
Heiko Stuebnerd8fdec12013-01-29 10:25:22 -080068
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090069static struct map_desc s3c2416_iodesc[] __initdata = {
70 IODESC_ENT(WATCHDOG),
71 IODESC_ENT(CLKPWR),
72 IODESC_ENT(TIMER),
73};
74
Kay Sievers4a858cf2011-12-21 16:01:38 -080075struct bus_type s3c2416_subsys = {
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090076 .name = "s3c2416-core",
Kay Sievers4a858cf2011-12-21 16:01:38 -080077 .dev_name = "s3c2416-core",
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090078};
79
Kay Sievers4a858cf2011-12-21 16:01:38 -080080static struct device s3c2416_dev = {
81 .bus = &s3c2416_subsys,
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090082};
83
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090084int __init s3c2416_init(void)
85{
86 printk(KERN_INFO "S3C2416: Initializing architecture\n");
87
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090088 /* 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
Ben Dookse12ef7f2010-05-03 16:44:35 +090092 /* the i2c devices are directly compatible with s3c2440 */
93 s3c_i2c0_setname("s3c2440-i2c");
94 s3c_i2c1_setname("s3c2440-i2c");
95
Pawel Osciakeb42b042010-08-10 18:02:37 -070096 s3c_fb_setname("s3c2443-fb");
Ben Dooksf64bea42010-05-03 15:29:44 +090097
Heiko Stuebner35cc3ce2011-10-12 21:34:12 +090098 s3c_adc_setname("s3c2416-adc");
Heiko Stuebnerb2994d32011-12-24 10:52:23 +090099 s3c_rtc_setname("s3c2416-rtc");
Heiko Stuebner35cc3ce2011-10-12 21:34:12 +0900100
Arnd Bergmann4f506da2015-02-27 05:50:22 +0900101#ifdef CONFIG_PM_SLEEP
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200102 register_syscore_ops(&s3c2416_pm_syscore_ops);
103 register_syscore_ops(&s3c24xx_irq_syscore_ops);
Heiko Stuebner0e944e22012-05-20 01:01:35 +0900104 register_syscore_ops(&s3c2416_irq_syscore_ops);
Heiko Stuebnerd8fdec12013-01-29 10:25:22 -0800105#endif
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200106
Kay Sievers4a858cf2011-12-21 16:01:38 -0800107 return device_register(&s3c2416_dev);
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900108}
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
Atul Dahiya4bc77862010-10-18 19:56:49 +0900114 s3c_nand_setname("s3c2412-nand");
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900115}
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{
Kukjin Kim782d8a32011-08-30 20:47:32 +0900125 s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
126 s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
Ben Dookseb90de42010-04-30 19:48:02 +0900127
Yauhen Kharuzhyc29cfa62010-12-17 14:42:09 +0900128 /* initialize device information early */
129 s3c2416_default_sdhci0();
130 s3c2416_default_sdhci1();
Heiko Stuebner308b3af2012-10-17 16:47:11 +0900131 s3c64xx_spi_setname("s3c2443-spi");
Yauhen Kharuzhyc29cfa62010-12-17 14:42:09 +0900132
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900133 iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
134}
135
Kay Sievers4a858cf2011-12-21 16:01:38 -0800136/* need to register the subsystem before we actually register the device, and
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900137 * 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{
Kay Sievers4a858cf2011-12-21 16:01:38 -0800144 return subsys_system_register(&s3c2416_subsys, NULL);
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900145}
146
147core_initcall(s3c2416_core_init);