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/device.h>
35 #include <linux/syscore_ops.h>
36 #include <linux/clk.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
43 #include <mach/hardware.h>
44 #include <asm/proc-fns.h>
46 #include <asm/system_misc.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/devs.h>
55 #include <plat/sdhci.h>
58 #include <plat/iic-core.h>
59 #include <plat/fb-core.h>
60 #include <plat/nand-core.h>
61 #include <plat/adc-core.h>
62 #include <plat/rtc-core.h>
63 #include <plat/spi-core.h>
67 static struct map_desc s3c2416_iodesc
[] __initdata
= {
73 struct bus_type s3c2416_subsys
= {
74 .name
= "s3c2416-core",
75 .dev_name
= "s3c2416-core",
78 static struct device s3c2416_dev
= {
79 .bus
= &s3c2416_subsys
,
82 void s3c2416_restart(char mode
, const char *cmd
)
87 __raw_writel(S3C2443_SWRST_RESET
, S3C2443_SWRST
);
90 int __init
s3c2416_init(void)
92 printk(KERN_INFO
"S3C2416: Initializing architecture\n");
94 /* change WDT IRQ number */
95 s3c_device_wdt
.resource
[1].start
= IRQ_S3C2443_WDT
;
96 s3c_device_wdt
.resource
[1].end
= IRQ_S3C2443_WDT
;
98 /* the i2c devices are directly compatible with s3c2440 */
99 s3c_i2c0_setname("s3c2440-i2c");
100 s3c_i2c1_setname("s3c2440-i2c");
102 s3c_fb_setname("s3c2443-fb");
104 s3c_adc_setname("s3c2416-adc");
105 s3c_rtc_setname("s3c2416-rtc");
108 register_syscore_ops(&s3c2416_pm_syscore_ops
);
109 register_syscore_ops(&s3c24xx_irq_syscore_ops
);
110 register_syscore_ops(&s3c2416_irq_syscore_ops
);
113 return device_register(&s3c2416_dev
);
116 void __init
s3c2416_init_uarts(struct s3c2410_uartcfg
*cfg
, int no
)
118 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources
, cfg
, no
);
120 s3c_nand_setname("s3c2412-nand");
125 * register the standard cpu IO areas, and any passed in from the
126 * machine specific initialisation.
129 void __init
s3c2416_map_io(void)
131 s3c24xx_gpiocfg_default
.set_pull
= samsung_gpio_setpull_updown
;
132 s3c24xx_gpiocfg_default
.get_pull
= samsung_gpio_getpull_updown
;
134 /* initialize device information early */
135 s3c2416_default_sdhci0();
136 s3c2416_default_sdhci1();
137 s3c64xx_spi_setname("s3c2443-spi");
139 iotable_init(s3c2416_iodesc
, ARRAY_SIZE(s3c2416_iodesc
));
142 /* need to register the subsystem before we actually register the device, and
143 * we also need to ensure that it has been initialised before any of the
144 * drivers even try to use it (even if not on an s3c2416 based system)
145 * as a driver which may support both 2443 and 2440 may try and use it.
148 static int __init
s3c2416_core_init(void)
150 return subsys_system_register(&s3c2416_subsys
, NULL
);
153 core_initcall(s3c2416_core_init
);