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Ben Dooksd626aee2008-10-21 14:06:50 +01001/* linux/arch/arm/mach-s3c6410/cpu.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
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/clk.h>
20#include <linux/io.h>
21#include <linux/sysdev.h>
22#include <linux/serial_core.h>
23#include <linux/platform_device.h>
24
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27#include <asm/mach/irq.h>
28
29#include <mach/hardware.h>
30#include <asm/irq.h>
31
32#include <plat/cpu-freq.h>
33#include <plat/regs-serial.h>
34
35#include <plat/cpu.h>
36#include <plat/devs.h>
37#include <plat/clock.h>
38#include <plat/s3c6410.h>
39
40/* Initial IO mappings */
41
42static struct map_desc s3c6410_iodesc[] __initdata = {
43};
44
45/* s3c6410_map_io
46 *
47 * register the standard cpu IO areas
48*/
49
50void __init s3c6410_map_io(void)
51{
52 iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
53}
54
55void __init s3c6410_init_clocks(int xtal)
56{
57 printk(KERN_INFO "%s: initialising clocks\n", __func__);
58 s3c24xx_register_baseclocks(xtal);
Ben Dooks4b31d8b2008-10-21 14:07:00 +010059 s3c64xx_register_clocks();
Ben Dooksd626aee2008-10-21 14:06:50 +010060}
61
Ben Dooksd9b79fb2008-10-21 14:06:51 +010062void __init s3c6410_init_irq(void)
63{
64 /* VIC0 is missing IRQ7, VIC1 is fully populated. */
65 s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
66}
67
Ben Dooksd626aee2008-10-21 14:06:50 +010068struct sysdev_class s3c6410_sysclass = {
69 .name = "s3c6410-core",
70};
71
72static struct sys_device s3c6410_sysdev = {
73 .cls = &s3c6410_sysclass,
74};
75
76static int __init s3c6410_core_init(void)
77{
78 return sysdev_class_register(&s3c6410_sysclass);
79}
80
81core_initcall(s3c6410_core_init);
82
83int __init s3c6410_init(void)
84{
85 printk("S3C6410: Initialising architecture\n");
86
87 return sysdev_register(&s3c6410_sysdev);
88}