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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>
Ben Dooks496a3f02009-05-02 13:48:53 +010034#include <plat/regs-clock.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010035
36#include <plat/cpu.h>
37#include <plat/devs.h>
38#include <plat/clock.h>
Ben Dooks5cc7fd82008-10-31 16:14:38 +000039#include <plat/sdhci.h>
Ben Dooks4f507d12008-10-31 16:15:00 +000040#include <plat/iic-core.h>
Ben Dookscf18acf2008-10-21 14:07:02 +010041#include <plat/s3c6400.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010042#include <plat/s3c6410.h>
43
44/* Initial IO mappings */
45
46static struct map_desc s3c6410_iodesc[] __initdata = {
47};
48
49/* s3c6410_map_io
50 *
51 * register the standard cpu IO areas
52*/
53
54void __init s3c6410_map_io(void)
55{
56 iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
Ben Dooks5cc7fd82008-10-31 16:14:38 +000057
58 /* initialise device information early */
59 s3c6410_default_sdhci0();
Ben Dooksa2205cd2008-10-31 16:14:39 +000060 s3c6410_default_sdhci1();
Ben Dooks4f507d12008-10-31 16:15:00 +000061
62 /* the i2c devices are directly compatible with s3c2440 */
63 s3c_i2c0_setname("s3c2440-i2c");
64 s3c_i2c1_setname("s3c2440-i2c");
Peter Korsgaard14077ea2009-07-01 17:47:06 +020065
66 s3c_device_nand.name = "s3c6400-nand";
Ben Dooksd626aee2008-10-21 14:06:50 +010067}
68
69void __init s3c6410_init_clocks(int xtal)
70{
Ben Dooks39669f52008-10-21 14:07:12 +010071 printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
Ben Dooksd626aee2008-10-21 14:06:50 +010072 s3c24xx_register_baseclocks(xtal);
Ben Dooks4b31d8b2008-10-21 14:07:00 +010073 s3c64xx_register_clocks();
Ben Dooks496a3f02009-05-02 13:48:53 +010074 s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK);
Ben Dookscf18acf2008-10-21 14:07:02 +010075 s3c6400_setup_clocks();
Ben Dooksd626aee2008-10-21 14:06:50 +010076}
77
Ben Dooksd9b79fb2008-10-21 14:06:51 +010078void __init s3c6410_init_irq(void)
79{
80 /* VIC0 is missing IRQ7, VIC1 is fully populated. */
81 s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
82}
83
Ben Dooksd626aee2008-10-21 14:06:50 +010084struct sysdev_class s3c6410_sysclass = {
85 .name = "s3c6410-core",
86};
87
88static struct sys_device s3c6410_sysdev = {
89 .cls = &s3c6410_sysclass,
90};
91
92static int __init s3c6410_core_init(void)
93{
94 return sysdev_class_register(&s3c6410_sysclass);
95}
96
97core_initcall(s3c6410_core_init);
98
99int __init s3c6410_init(void)
100{
101 printk("S3C6410: Initialising architecture\n");
102
103 return sysdev_register(&s3c6410_sysdev);
104}