diff options
Diffstat (limited to 'arch/arm/mach-s3c2416/s3c2416.c')
-rw-r--r-- | arch/arm/mach-s3c2416/s3c2416.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c new file mode 100644 index 000000000000..3bff05745d0b --- /dev/null +++ b/arch/arm/mach-s3c2416/s3c2416.c | |||
@@ -0,0 +1,128 @@ | |||
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 | |||
59 | static struct map_desc s3c2416_iodesc[] __initdata = { | ||
60 | IODESC_ENT(WATCHDOG), | ||
61 | IODESC_ENT(CLKPWR), | ||
62 | IODESC_ENT(TIMER), | ||
63 | }; | ||
64 | |||
65 | struct sysdev_class s3c2416_sysclass = { | ||
66 | .name = "s3c2416-core", | ||
67 | }; | ||
68 | |||
69 | static struct sys_device s3c2416_sysdev = { | ||
70 | .cls = &s3c2416_sysclass, | ||
71 | }; | ||
72 | |||
73 | static void s3c2416_hard_reset(void) | ||
74 | { | ||
75 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); | ||
76 | } | ||
77 | |||
78 | int __init s3c2416_init(void) | ||
79 | { | ||
80 | printk(KERN_INFO "S3C2416: Initializing architecture\n"); | ||
81 | |||
82 | s3c24xx_reset_hook = s3c2416_hard_reset; | ||
83 | /* s3c24xx_idle = s3c2416_idle; */ | ||
84 | |||
85 | /* change WDT IRQ number */ | ||
86 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | ||
87 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | ||
88 | |||
89 | /* the i2c devices are directly compatible with s3c2440 */ | ||
90 | s3c_i2c0_setname("s3c2440-i2c"); | ||
91 | s3c_i2c1_setname("s3c2440-i2c"); | ||
92 | |||
93 | return sysdev_register(&s3c2416_sysdev); | ||
94 | } | ||
95 | |||
96 | void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) | ||
97 | { | ||
98 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | ||
99 | |||
100 | s3c_device_nand.name = "s3c2416-nand"; | ||
101 | } | ||
102 | |||
103 | /* s3c2416_map_io | ||
104 | * | ||
105 | * register the standard cpu IO areas, and any passed in from the | ||
106 | * machine specific initialisation. | ||
107 | */ | ||
108 | |||
109 | void __init s3c2416_map_io(void) | ||
110 | { | ||
111 | s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; | ||
112 | s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; | ||
113 | |||
114 | iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); | ||
115 | } | ||
116 | |||
117 | /* need to register class before we actually register the device, and | ||
118 | * we also need to ensure that it has been initialised before any of the | ||
119 | * drivers even try to use it (even if not on an s3c2416 based system) | ||
120 | * as a driver which may support both 2443 and 2440 may try and use it. | ||
121 | */ | ||
122 | |||
123 | static int __init s3c2416_core_init(void) | ||
124 | { | ||
125 | return sysdev_class_register(&s3c2416_sysclass); | ||
126 | } | ||
127 | |||
128 | core_initcall(s3c2416_core_init); | ||