diff options
Diffstat (limited to 'arch/arm/mach-s3c2443/s3c2443.c')
-rw-r--r-- | arch/arm/mach-s3c2443/s3c2443.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c new file mode 100644 index 000000000000..11b1d0b310c3 --- /dev/null +++ b/arch/arm/mach-s3c2443/s3c2443.c | |||
@@ -0,0 +1,97 @@ | |||
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/platform_device.h> | ||
20 | #include <linux/serial_core.h> | ||
21 | #include <linux/sysdev.h> | ||
22 | #include <linux/clk.h> | ||
23 | |||
24 | #include <asm/mach/arch.h> | ||
25 | #include <asm/mach/map.h> | ||
26 | #include <asm/mach/irq.h> | ||
27 | |||
28 | #include <asm/hardware.h> | ||
29 | #include <asm/io.h> | ||
30 | #include <asm/irq.h> | ||
31 | |||
32 | #include <asm/arch/regs-s3c2443-clock.h> | ||
33 | #include <asm/arch/reset.h> | ||
34 | |||
35 | #include <asm/plat-s3c24xx/s3c2443.h> | ||
36 | #include <asm/plat-s3c24xx/devs.h> | ||
37 | #include <asm/plat-s3c24xx/cpu.h> | ||
38 | |||
39 | static struct map_desc s3c2443_iodesc[] __initdata = { | ||
40 | IODESC_ENT(WATCHDOG), | ||
41 | IODESC_ENT(CLKPWR), | ||
42 | IODESC_ENT(TIMER), | ||
43 | }; | ||
44 | |||
45 | struct sysdev_class s3c2443_sysclass = { | ||
46 | set_kset_name("s3c2443-core"), | ||
47 | }; | ||
48 | |||
49 | static struct sys_device s3c2443_sysdev = { | ||
50 | .cls = &s3c2443_sysclass, | ||
51 | }; | ||
52 | |||
53 | static void s3c2443_hard_reset(void) | ||
54 | { | ||
55 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); | ||
56 | } | ||
57 | |||
58 | int __init s3c2443_init(void) | ||
59 | { | ||
60 | printk("S3C2443: Initialising architecture\n"); | ||
61 | |||
62 | s3c24xx_reset_hook = s3c2443_hard_reset; | ||
63 | |||
64 | s3c_device_nand.name = "s3c2412-nand"; | ||
65 | |||
66 | return sysdev_register(&s3c2443_sysdev); | ||
67 | } | ||
68 | |||
69 | void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) | ||
70 | { | ||
71 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | ||
72 | } | ||
73 | |||
74 | /* s3c2443_map_io | ||
75 | * | ||
76 | * register the standard cpu IO areas, and any passed in from the | ||
77 | * machine specific initialisation. | ||
78 | */ | ||
79 | |||
80 | void __init s3c2443_map_io(struct map_desc *mach_desc, int mach_size) | ||
81 | { | ||
82 | iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); | ||
83 | iotable_init(mach_desc, mach_size); | ||
84 | } | ||
85 | |||
86 | /* need to register class before we actually register the device, and | ||
87 | * we also need to ensure that it has been initialised before any of the | ||
88 | * drivers even try to use it (even if not on an s3c2443 based system) | ||
89 | * as a driver which may support both 2443 and 2440 may try and use it. | ||
90 | */ | ||
91 | |||
92 | static int __init s3c2443_core_init(void) | ||
93 | { | ||
94 | return sysdev_class_register(&s3c2443_sysclass); | ||
95 | } | ||
96 | |||
97 | core_initcall(s3c2443_core_init); | ||