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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> | |
7b6d864b | 38 | #include <linux/reboot.h> |
f1290a49 YK |
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> | |
b0161caa | 45 | #include <mach/gpio-samsung.h> |
f1290a49 YK |
46 | #include <asm/proc-fns.h> |
47 | #include <asm/irq.h> | |
9f97da78 | 48 | #include <asm/system_misc.h> |
f1290a49 | 49 | |
f1290a49 | 50 | #include <mach/regs-s3c2443-clock.h> |
d93c3ba9 | 51 | #include <mach/rtc-core.h> |
f1290a49 | 52 | |
eb90de4a BD |
53 | #include <plat/gpio-core.h> |
54 | #include <plat/gpio-cfg.h> | |
55 | #include <plat/gpio-cfg-helpers.h> | |
f1290a49 YK |
56 | #include <plat/devs.h> |
57 | #include <plat/cpu.h> | |
c29cfa6d | 58 | #include <plat/sdhci.h> |
bb072c3c | 59 | #include <plat/pm.h> |
f1290a49 | 60 | |
e12ef7f0 | 61 | #include <plat/iic-core.h> |
eb42b044 | 62 | #include <plat/fb-core.h> |
ef3f2dd4 | 63 | #include <plat/nand-core.h> |
35cc3cea | 64 | #include <plat/adc-core.h> |
308b3afb | 65 | #include <plat/spi-core.h> |
e12ef7f0 | 66 | |
d8fdec16 HS |
67 | #include "common.h" |
68 | ||
f1290a49 YK |
69 | static struct map_desc s3c2416_iodesc[] __initdata = { |
70 | IODESC_ENT(WATCHDOG), | |
71 | IODESC_ENT(CLKPWR), | |
72 | IODESC_ENT(TIMER), | |
73 | }; | |
74 | ||
4a858cfc | 75 | struct bus_type s3c2416_subsys = { |
f1290a49 | 76 | .name = "s3c2416-core", |
4a858cfc | 77 | .dev_name = "s3c2416-core", |
f1290a49 YK |
78 | }; |
79 | ||
4a858cfc KS |
80 | static struct device s3c2416_dev = { |
81 | .bus = &s3c2416_subsys, | |
f1290a49 YK |
82 | }; |
83 | ||
7b6d864b | 84 | void s3c2416_restart(enum reboot_mode mode, const char *cmd) |
f1290a49 | 85 | { |
7b6d864b | 86 | if (mode == REBOOT_SOFT) |
57538975 HS |
87 | soft_restart(0); |
88 | ||
f1290a49 YK |
89 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); |
90 | } | |
91 | ||
92 | int __init s3c2416_init(void) | |
93 | { | |
94 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); | |
95 | ||
f1290a49 YK |
96 | /* change WDT IRQ number */ |
97 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | |
98 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | |
99 | ||
e12ef7f0 BD |
100 | /* the i2c devices are directly compatible with s3c2440 */ |
101 | s3c_i2c0_setname("s3c2440-i2c"); | |
102 | s3c_i2c1_setname("s3c2440-i2c"); | |
103 | ||
eb42b044 | 104 | s3c_fb_setname("s3c2443-fb"); |
f64bea43 | 105 | |
35cc3cea | 106 | s3c_adc_setname("s3c2416-adc"); |
b2994d31 | 107 | s3c_rtc_setname("s3c2416-rtc"); |
35cc3cea | 108 | |
fb630b9f | 109 | #ifdef CONFIG_PM |
bb072c3c RW |
110 | register_syscore_ops(&s3c2416_pm_syscore_ops); |
111 | register_syscore_ops(&s3c24xx_irq_syscore_ops); | |
0e944e27 | 112 | register_syscore_ops(&s3c2416_irq_syscore_ops); |
d8fdec16 | 113 | #endif |
bb072c3c | 114 | |
4a858cfc | 115 | return device_register(&s3c2416_dev); |
f1290a49 YK |
116 | } |
117 | ||
118 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
119 | { | |
120 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
121 | ||
4bc77866 | 122 | s3c_nand_setname("s3c2412-nand"); |
f1290a49 YK |
123 | } |
124 | ||
125 | /* s3c2416_map_io | |
126 | * | |
127 | * register the standard cpu IO areas, and any passed in from the | |
128 | * machine specific initialisation. | |
129 | */ | |
130 | ||
131 | void __init s3c2416_map_io(void) | |
132 | { | |
782d8a3c KK |
133 | s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; |
134 | s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; | |
eb90de4a | 135 | |
c29cfa6d YK |
136 | /* initialize device information early */ |
137 | s3c2416_default_sdhci0(); | |
138 | s3c2416_default_sdhci1(); | |
308b3afb | 139 | s3c64xx_spi_setname("s3c2443-spi"); |
c29cfa6d | 140 | |
f1290a49 YK |
141 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); |
142 | } | |
143 | ||
4a858cfc | 144 | /* need to register the subsystem before we actually register the device, and |
f1290a49 YK |
145 | * we also need to ensure that it has been initialised before any of the |
146 | * drivers even try to use it (even if not on an s3c2416 based system) | |
147 | * as a driver which may support both 2443 and 2440 may try and use it. | |
148 | */ | |
149 | ||
150 | static int __init s3c2416_core_init(void) | |
151 | { | |
4a858cfc | 152 | return subsys_system_register(&s3c2416_subsys, NULL); |
f1290a49 YK |
153 | } |
154 | ||
155 | core_initcall(s3c2416_core_init); |