1 /* linux/arch/arm/mach-s3c2416/s3c2416.c
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>
8 * Samsung S3C2416 Mobile CPU support
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.
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.
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
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/sysdev.h>
35 #include <linux/clk.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
42 #include <mach/hardware.h>
43 #include <asm/proc-fns.h>
46 #include <mach/reset.h>
47 #include <mach/idle.h>
48 #include <mach/regs-s3c2443-clock.h>
50 #include <plat/gpio-core.h>
51 #include <plat/gpio-cfg.h>
52 #include <plat/gpio-cfg-helpers.h>
53 #include <plat/s3c2416.h>
54 #include <plat/devs.h>
57 #include <plat/iic-core.h>
58 #include <plat/fb-core.h>
60 static struct map_desc s3c2416_iodesc
[] __initdata
= {
66 struct sysdev_class s3c2416_sysclass
= {
67 .name
= "s3c2416-core",
70 static struct sys_device s3c2416_sysdev
= {
71 .cls
= &s3c2416_sysclass
,
74 static void s3c2416_hard_reset(void)
76 __raw_writel(S3C2443_SWRST_RESET
, S3C2443_SWRST
);
79 int __init
s3c2416_init(void)
81 printk(KERN_INFO
"S3C2416: Initializing architecture\n");
83 s3c24xx_reset_hook
= s3c2416_hard_reset
;
84 /* s3c24xx_idle = s3c2416_idle; */
86 /* change WDT IRQ number */
87 s3c_device_wdt
.resource
[1].start
= IRQ_S3C2443_WDT
;
88 s3c_device_wdt
.resource
[1].end
= IRQ_S3C2443_WDT
;
90 /* the i2c devices are directly compatible with s3c2440 */
91 s3c_i2c0_setname("s3c2440-i2c");
92 s3c_i2c1_setname("s3c2440-i2c");
94 s3c_fb_setname("s3c2443-fb");
96 return sysdev_register(&s3c2416_sysdev
);
99 void __init
s3c2416_init_uarts(struct s3c2410_uartcfg
*cfg
, int no
)
101 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources
, cfg
, no
);
103 s3c_device_nand
.name
= "s3c2416-nand";
108 * register the standard cpu IO areas, and any passed in from the
109 * machine specific initialisation.
112 void __init
s3c2416_map_io(void)
114 s3c24xx_gpiocfg_default
.set_pull
= s3c_gpio_setpull_updown
;
115 s3c24xx_gpiocfg_default
.get_pull
= s3c_gpio_getpull_updown
;
117 iotable_init(s3c2416_iodesc
, ARRAY_SIZE(s3c2416_iodesc
));
120 /* need to register class before we actually register the device, and
121 * we also need to ensure that it has been initialised before any of the
122 * drivers even try to use it (even if not on an s3c2416 based system)
123 * as a driver which may support both 2443 and 2440 may try and use it.
126 static int __init
s3c2416_core_init(void)
128 return sysdev_class_register(&s3c2416_sysclass
);
131 core_initcall(s3c2416_core_init
);