diff options
Diffstat (limited to 'arch/arm/mach-s3c2443/s3c2443.c')
-rw-r--r-- | arch/arm/mach-s3c2443/s3c2443.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c new file mode 100644 index 00000000000..e6a28ba52c7 --- /dev/null +++ b/arch/arm/mach-s3c2443/s3c2443.c | |||
@@ -0,0 +1,110 @@ | |||
1 | /* linux/arch/arm/mach-s3c2443/s3c2443.c | ||
2 | * | ||
3 | * Copyright (c) 2007 Simtec Electronics | ||
4 | * Ben Dooks <ben@simtec.co.uk> | ||
5 | * | ||
6 | * Samsung S3C2443 Mobile CPU support | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/interrupt.h> | ||
16 | #include <linux/list.h> | ||
17 | #include <linux/timer.h> | ||
18 | #include <linux/init.h> | ||
19 | #include <linux/gpio.h> | ||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/serial_core.h> | ||
22 | #include <linux/sysdev.h> | ||
23 | #include <linux/clk.h> | ||
24 | #include <linux/io.h> | ||
25 | |||
26 | #include <asm/mach/arch.h> | ||
27 | #include <asm/mach/map.h> | ||
28 | #include <asm/mach/irq.h> | ||
29 | |||
30 | #include <mach/hardware.h> | ||
31 | #include <asm/irq.h> | ||
32 | |||
33 | #include <mach/regs-s3c2443-clock.h> | ||
34 | #include <mach/reset.h> | ||
35 | |||
36 | #include <plat/gpio-core.h> | ||
37 | #include <plat/gpio-cfg.h> | ||
38 | #include <plat/gpio-cfg-helpers.h> | ||
39 | #include <plat/s3c2443.h> | ||
40 | #include <plat/devs.h> | ||
41 | #include <plat/cpu.h> | ||
42 | #include <plat/fb-core.h> | ||
43 | #include <plat/nand-core.h> | ||
44 | |||
45 | static struct map_desc s3c2443_iodesc[] __initdata = { | ||
46 | IODESC_ENT(WATCHDOG), | ||
47 | IODESC_ENT(CLKPWR), | ||
48 | IODESC_ENT(TIMER), | ||
49 | }; | ||
50 | |||
51 | struct sysdev_class s3c2443_sysclass = { | ||
52 | .name = "s3c2443-core", | ||
53 | }; | ||
54 | |||
55 | static struct sys_device s3c2443_sysdev = { | ||
56 | .cls = &s3c2443_sysclass, | ||
57 | }; | ||
58 | |||
59 | static void s3c2443_hard_reset(void) | ||
60 | { | ||
61 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); | ||
62 | } | ||
63 | |||
64 | int __init s3c2443_init(void) | ||
65 | { | ||
66 | printk("S3C2443: Initialising architecture\n"); | ||
67 | |||
68 | s3c24xx_reset_hook = s3c2443_hard_reset; | ||
69 | |||
70 | s3c_nand_setname("s3c2412-nand"); | ||
71 | s3c_fb_setname("s3c2443-fb"); | ||
72 | |||
73 | /* change WDT IRQ number */ | ||
74 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | ||
75 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | ||
76 | |||
77 | return sysdev_register(&s3c2443_sysdev); | ||
78 | } | ||
79 | |||
80 | void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) | ||
81 | { | ||
82 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | ||
83 | } | ||
84 | |||
85 | /* s3c2443_map_io | ||
86 | * | ||
87 | * register the standard cpu IO areas, and any passed in from the | ||
88 | * machine specific initialisation. | ||
89 | */ | ||
90 | |||
91 | void __init s3c2443_map_io(void) | ||
92 | { | ||
93 | s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; | ||
94 | s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; | ||
95 | |||
96 | iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); | ||
97 | } | ||
98 | |||
99 | /* need to register class before we actually register the device, and | ||
100 | * we also need to ensure that it has been initialised before any of the | ||
101 | * drivers even try to use it (even if not on an s3c2443 based system) | ||
102 | * as a driver which may support both 2443 and 2440 may try and use it. | ||
103 | */ | ||
104 | |||
105 | static int __init s3c2443_core_init(void) | ||
106 | { | ||
107 | return sysdev_class_register(&s3c2443_sysclass); | ||
108 | } | ||
109 | |||
110 | core_initcall(s3c2443_core_init); | ||