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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/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 | |
50 | #include <plat/gpio-core.h> |
51 | #include <plat/gpio-cfg.h> |
52 | #include <plat/gpio-cfg-helpers.h> |
53 | #include <plat/s3c2416.h> |
54 | #include <plat/devs.h> |
55 | #include <plat/cpu.h> |
56 | |
57 | #include <plat/iic-core.h> |
58 | #include <plat/fb-core.h> |
59 | #include <plat/nand-core.h> |
60 | |
61 | static struct map_desc s3c2416_iodesc[] __initdata = { |
62 | IODESC_ENT(WATCHDOG), |
63 | IODESC_ENT(CLKPWR), |
64 | IODESC_ENT(TIMER), |
65 | }; |
66 | |
67 | struct sysdev_class s3c2416_sysclass = { |
68 | .name = "s3c2416-core", |
69 | }; |
70 | |
71 | static struct sys_device s3c2416_sysdev = { |
72 | .cls = &s3c2416_sysclass, |
73 | }; |
74 | |
75 | static void s3c2416_hard_reset(void) |
76 | { |
77 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); |
78 | } |
79 | |
80 | int __init s3c2416_init(void) |
81 | { |
82 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); |
83 | |
84 | s3c24xx_reset_hook = s3c2416_hard_reset; |
85 | /* s3c24xx_idle = s3c2416_idle; */ |
86 | |
87 | /* change WDT IRQ number */ |
88 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; |
89 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; |
90 | |
91 | /* the i2c devices are directly compatible with s3c2440 */ |
92 | s3c_i2c0_setname("s3c2440-i2c"); |
93 | s3c_i2c1_setname("s3c2440-i2c"); |
94 | |
95 | s3c_fb_setname("s3c2443-fb"); |
96 | |
97 | return sysdev_register(&s3c2416_sysdev); |
98 | } |
99 | |
100 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) |
101 | { |
102 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); |
103 | |
104 | s3c_nand_setname("s3c2412-nand"); |
105 | } |
106 | |
107 | /* s3c2416_map_io |
108 | * |
109 | * register the standard cpu IO areas, and any passed in from the |
110 | * machine specific initialisation. |
111 | */ |
112 | |
113 | void __init s3c2416_map_io(void) |
114 | { |
115 | s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; |
116 | s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; |
117 | |
118 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); |
119 | } |
120 | |
121 | /* need to register class before we actually register the device, and |
122 | * we also need to ensure that it has been initialised before any of the |
123 | * drivers even try to use it (even if not on an s3c2416 based system) |
124 | * as a driver which may support both 2443 and 2440 may try and use it. |
125 | */ |
126 | |
127 | static int __init s3c2416_core_init(void) |
128 | { |
129 | return sysdev_class_register(&s3c2416_sysclass); |
130 | } |
131 | |
132 | core_initcall(s3c2416_core_init); |
133 |
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