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
69 static struct map_desc s3c2416_iodesc[] __initdata = {
70 IODESC_ENT(WATCHDOG),
71 IODESC_ENT(CLKPWR),
72 IODESC_ENT(TIMER),
73 };
74
75 struct bus_type s3c2416_subsys = {
76 .name = "s3c2416-core",
77 .dev_name = "s3c2416-core",
78 };
79
80 static struct device s3c2416_dev = {
81 .bus = &s3c2416_subsys,
82 };
83
s3c2416_init(void)84 int __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
s3c2416_init_uarts(struct s3c2410_uartcfg * cfg,int no)110 void __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
s3c2416_map_io(void)123 void __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
s3c2416_core_init(void)142 static int __init s3c2416_core_init(void)
143 {
144 return subsys_system_register(&s3c2416_subsys, NULL);
145 }
146
147 core_initcall(s3c2416_core_init);
148