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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> | |
34 | #include <linux/sysdev.h> | |
35 | #include <linux/clk.h> | |
36 | #include <linux/io.h> | |
37 | ||
38 | #include <asm/mach/arch.h> | |
39 | #include <asm/mach/map.h> | |
40 | #include <asm/mach/irq.h> | |
41 | ||
42 | #include <mach/hardware.h> | |
43 | #include <asm/proc-fns.h> | |
44 | #include <asm/irq.h> | |
45 | ||
46 | #include <mach/reset.h> | |
47 | #include <mach/idle.h> | |
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> |
f1290a49 | 57 | |
e12ef7f0 | 58 | #include <plat/iic-core.h> |
eb42b044 | 59 | #include <plat/fb-core.h> |
ef3f2dd4 | 60 | #include <plat/nand-core.h> |
e12ef7f0 | 61 | |
f1290a49 YK |
62 | static struct map_desc s3c2416_iodesc[] __initdata = { |
63 | IODESC_ENT(WATCHDOG), | |
64 | IODESC_ENT(CLKPWR), | |
65 | IODESC_ENT(TIMER), | |
66 | }; | |
67 | ||
68 | struct sysdev_class s3c2416_sysclass = { | |
69 | .name = "s3c2416-core", | |
70 | }; | |
71 | ||
72 | static struct sys_device s3c2416_sysdev = { | |
73 | .cls = &s3c2416_sysclass, | |
74 | }; | |
75 | ||
76 | static void s3c2416_hard_reset(void) | |
77 | { | |
78 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); | |
79 | } | |
80 | ||
81 | int __init s3c2416_init(void) | |
82 | { | |
83 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); | |
84 | ||
85 | s3c24xx_reset_hook = s3c2416_hard_reset; | |
86 | /* s3c24xx_idle = s3c2416_idle; */ | |
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 | ||
e12ef7f0 BD |
92 | /* the i2c devices are directly compatible with s3c2440 */ |
93 | s3c_i2c0_setname("s3c2440-i2c"); | |
94 | s3c_i2c1_setname("s3c2440-i2c"); | |
95 | ||
eb42b044 | 96 | s3c_fb_setname("s3c2443-fb"); |
f64bea43 | 97 | |
f1290a49 YK |
98 | return sysdev_register(&s3c2416_sysdev); |
99 | } | |
100 | ||
101 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
102 | { | |
103 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
104 | ||
4bc77866 | 105 | s3c_nand_setname("s3c2412-nand"); |
f1290a49 YK |
106 | } |
107 | ||
108 | /* s3c2416_map_io | |
109 | * | |
110 | * register the standard cpu IO areas, and any passed in from the | |
111 | * machine specific initialisation. | |
112 | */ | |
113 | ||
114 | void __init s3c2416_map_io(void) | |
115 | { | |
eb90de4a BD |
116 | s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; |
117 | s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; | |
118 | ||
c29cfa6d YK |
119 | /* initialize device information early */ |
120 | s3c2416_default_sdhci0(); | |
121 | s3c2416_default_sdhci1(); | |
122 | ||
f1290a49 YK |
123 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); |
124 | } | |
125 | ||
126 | /* need to register class before we actually register the device, and | |
127 | * we also need to ensure that it has been initialised before any of the | |
128 | * drivers even try to use it (even if not on an s3c2416 based system) | |
129 | * as a driver which may support both 2443 and 2440 may try and use it. | |
130 | */ | |
131 | ||
132 | static int __init s3c2416_core_init(void) | |
133 | { | |
134 | return sysdev_class_register(&s3c2416_sysclass); | |
135 | } | |
136 | ||
137 | core_initcall(s3c2416_core_init); |