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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>
34#include <linux/sysdev.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>
38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42
43#include <mach/hardware.h>
44#include <asm/proc-fns.h>
45#include <asm/irq.h>
46
47#include <mach/reset.h>
48#include <mach/idle.h>
49#include <mach/regs-s3c2443-clock.h>
50
Ben Dookseb90de42010-04-30 19:48:02 +090051#include <plat/gpio-core.h>
52#include <plat/gpio-cfg.h>
53#include <plat/gpio-cfg-helpers.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090054#include <plat/s3c2416.h>
55#include <plat/devs.h>
56#include <plat/cpu.h>
Yauhen Kharuzhyc29cfa62010-12-17 14:42:09 +090057#include <plat/sdhci.h>
Rafael J. Wysockibb072c32011-04-22 22:03:21 +020058#include <plat/pm.h>
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090059
Ben Dookse12ef7f2010-05-03 16:44:35 +090060#include <plat/iic-core.h>
Pawel Osciakeb42b042010-08-10 18:02:37 -070061#include <plat/fb-core.h>
Atul Dahiyaef3f2dd2010-10-18 19:56:45 +090062#include <plat/nand-core.h>
Heiko Stuebner35cc3ce2011-10-12 21:34:12 +090063#include <plat/adc-core.h>
Ben Dookse12ef7f2010-05-03 16:44:35 +090064
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +090065static struct map_desc s3c2416_iodesc[] __initdata = {
66 IODESC_ENT(WATCHDOG),
67 IODESC_ENT(CLKPWR),
68 IODESC_ENT(TIMER),
69};
70
71struct sysdev_class s3c2416_sysclass = {
72 .name = "s3c2416-core",
73};
74
75static struct sys_device s3c2416_sysdev = {
76 .cls = &s3c2416_sysclass,
77};
78
79static void s3c2416_hard_reset(void)
80{
81 __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
82}
83
84int __init s3c2416_init(void)
85{
86 printk(KERN_INFO "S3C2416: Initializing architecture\n");
87
88 s3c24xx_reset_hook = s3c2416_hard_reset;
89 /* s3c24xx_idle = s3c2416_idle; */
90
91 /* change WDT IRQ number */
92 s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
93 s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
94
Ben Dookse12ef7f2010-05-03 16:44:35 +090095 /* the i2c devices are directly compatible with s3c2440 */
96 s3c_i2c0_setname("s3c2440-i2c");
97 s3c_i2c1_setname("s3c2440-i2c");
98
Pawel Osciakeb42b042010-08-10 18:02:37 -070099 s3c_fb_setname("s3c2443-fb");
Ben Dooksf64bea42010-05-03 15:29:44 +0900100
Heiko Stuebner35cc3ce2011-10-12 21:34:12 +0900101 s3c_adc_setname("s3c2416-adc");
102
Domenico Andreolifb630b92011-10-22 04:00:53 +0900103#ifdef CONFIG_PM
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200104 register_syscore_ops(&s3c2416_pm_syscore_ops);
Domenico Andreolifb630b92011-10-22 04:00:53 +0900105#endif
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200106 register_syscore_ops(&s3c24xx_irq_syscore_ops);
107
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900108 return sysdev_register(&s3c2416_sysdev);
109}
110
111void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
112{
113 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
114
Atul Dahiya4bc77862010-10-18 19:56:49 +0900115 s3c_nand_setname("s3c2412-nand");
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900116}
117
118/* s3c2416_map_io
119 *
120 * register the standard cpu IO areas, and any passed in from the
121 * machine specific initialisation.
122 */
123
124void __init s3c2416_map_io(void)
125{
Kukjin Kim782d8a32011-08-30 20:47:32 +0900126 s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
127 s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
Ben Dookseb90de42010-04-30 19:48:02 +0900128
Yauhen Kharuzhyc29cfa62010-12-17 14:42:09 +0900129 /* initialize device information early */
130 s3c2416_default_sdhci0();
131 s3c2416_default_sdhci1();
132
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +0900133 iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
134}
135
136/* need to register class 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 sysdev_class_register(&s3c2416_sysclass);
145}
146
147core_initcall(s3c2416_core_init);