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f1290a49 YK |
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> | |
eb90de4a | 31 | #include <linux/gpio.h> |
f1290a49 YK |
32 | #include <linux/platform_device.h> |
33 | #include <linux/serial_core.h> | |
4a858cfc | 34 | #include <linux/device.h> |
bb072c3c | 35 | #include <linux/syscore_ops.h> |
f1290a49 YK |
36 | #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> | |
9f97da78 | 46 | #include <asm/system_misc.h> |
f1290a49 | 47 | |
f1290a49 YK |
48 | #include <mach/regs-s3c2443-clock.h> |
49 | ||
eb90de4a BD |
50 | #include <plat/gpio-core.h> |
51 | #include <plat/gpio-cfg.h> | |
52 | #include <plat/gpio-cfg-helpers.h> | |
f1290a49 YK |
53 | #include <plat/s3c2416.h> |
54 | #include <plat/devs.h> | |
55 | #include <plat/cpu.h> | |
c29cfa6d | 56 | #include <plat/sdhci.h> |
bb072c3c | 57 | #include <plat/pm.h> |
f1290a49 | 58 | |
e12ef7f0 | 59 | #include <plat/iic-core.h> |
eb42b044 | 60 | #include <plat/fb-core.h> |
ef3f2dd4 | 61 | #include <plat/nand-core.h> |
35cc3cea | 62 | #include <plat/adc-core.h> |
b2994d31 | 63 | #include <plat/rtc-core.h> |
e12ef7f0 | 64 | |
f1290a49 YK |
65 | static struct map_desc s3c2416_iodesc[] __initdata = { |
66 | IODESC_ENT(WATCHDOG), | |
67 | IODESC_ENT(CLKPWR), | |
68 | IODESC_ENT(TIMER), | |
69 | }; | |
70 | ||
4a858cfc | 71 | struct bus_type s3c2416_subsys = { |
f1290a49 | 72 | .name = "s3c2416-core", |
4a858cfc | 73 | .dev_name = "s3c2416-core", |
f1290a49 YK |
74 | }; |
75 | ||
4a858cfc KS |
76 | static struct device s3c2416_dev = { |
77 | .bus = &s3c2416_subsys, | |
f1290a49 YK |
78 | }; |
79 | ||
57538975 | 80 | void s3c2416_restart(char mode, const char *cmd) |
f1290a49 | 81 | { |
57538975 HS |
82 | if (mode == 's') |
83 | soft_restart(0); | |
84 | ||
f1290a49 YK |
85 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); |
86 | } | |
87 | ||
88 | int __init s3c2416_init(void) | |
89 | { | |
90 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); | |
91 | ||
f1290a49 YK |
92 | /* change WDT IRQ number */ |
93 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | |
94 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | |
95 | ||
e12ef7f0 BD |
96 | /* the i2c devices are directly compatible with s3c2440 */ |
97 | s3c_i2c0_setname("s3c2440-i2c"); | |
98 | s3c_i2c1_setname("s3c2440-i2c"); | |
99 | ||
eb42b044 | 100 | s3c_fb_setname("s3c2443-fb"); |
f64bea43 | 101 | |
35cc3cea | 102 | s3c_adc_setname("s3c2416-adc"); |
b2994d31 | 103 | s3c_rtc_setname("s3c2416-rtc"); |
35cc3cea | 104 | |
fb630b9f | 105 | #ifdef CONFIG_PM |
bb072c3c | 106 | register_syscore_ops(&s3c2416_pm_syscore_ops); |
fb630b9f | 107 | #endif |
bb072c3c RW |
108 | register_syscore_ops(&s3c24xx_irq_syscore_ops); |
109 | ||
4a858cfc | 110 | return device_register(&s3c2416_dev); |
f1290a49 YK |
111 | } |
112 | ||
113 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
114 | { | |
115 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
116 | ||
4bc77866 | 117 | s3c_nand_setname("s3c2412-nand"); |
f1290a49 YK |
118 | } |
119 | ||
120 | /* s3c2416_map_io | |
121 | * | |
122 | * register the standard cpu IO areas, and any passed in from the | |
123 | * machine specific initialisation. | |
124 | */ | |
125 | ||
126 | void __init s3c2416_map_io(void) | |
127 | { | |
782d8a3c KK |
128 | s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; |
129 | s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; | |
eb90de4a | 130 | |
c29cfa6d YK |
131 | /* initialize device information early */ |
132 | s3c2416_default_sdhci0(); | |
133 | s3c2416_default_sdhci1(); | |
134 | ||
f1290a49 YK |
135 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); |
136 | } | |
137 | ||
4a858cfc | 138 | /* need to register the subsystem before we actually register the device, and |
f1290a49 YK |
139 | * we also need to ensure that it has been initialised before any of the |
140 | * drivers even try to use it (even if not on an s3c2416 based system) | |
141 | * as a driver which may support both 2443 and 2440 may try and use it. | |
142 | */ | |
143 | ||
144 | static int __init s3c2416_core_init(void) | |
145 | { | |
4a858cfc | 146 | return subsys_system_register(&s3c2416_subsys, NULL); |
f1290a49 YK |
147 | } |
148 | ||
149 | core_initcall(s3c2416_core_init); |