1 /* linux/arch/arm/mach-s5pv210/cpu.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/module.h>
18 #include <linux/clk.h>
20 #include <linux/sysdev.h>
21 #include <linux/platform_device.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
27 #include <asm/proc-fns.h>
29 #include <mach/regs-clock.h>
32 #include <plat/devs.h>
33 #include <plat/clock.h>
34 #include <plat/s5pv210.h>
36 /* Initial IO mappings */
38 static struct map_desc s5pv210_iodesc[] __initdata = {
40 .virtual = (unsigned long)S5P_VA_SYSTIMER,
41 .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
45 .virtual = (unsigned long)VA_VIC2,
46 .pfn = __phys_to_pfn(S5PV210_PA_VIC2),
50 .virtual = (unsigned long)VA_VIC3,
51 .pfn = __phys_to_pfn(S5PV210_PA_VIC3),
55 .virtual = (unsigned long)S5P_VA_SROMC,
56 .pfn = __phys_to_pfn(S5PV210_PA_SROMC),
62 static void s5pv210_idle(void)
72 * register the standard cpu IO areas
75 void __init s5pv210_map_io(void)
77 iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
80 void __init s5pv210_init_clocks(int xtal)
82 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
84 s3c24xx_register_baseclocks(xtal);
85 s5p_register_clocks(xtal);
86 s5pv210_register_clocks();
87 s5pv210_setup_clocks();
90 void __init s5pv210_init_irq(void)
92 u32 vic[4]; /* S5PV210 supports 4 VIC */
94 /* All the VICs are fully populated. */
100 s5p_init_irq(vic, ARRAY_SIZE(vic));
103 static struct sysdev_class s5pv210_sysclass = {
104 .name = "s5pv210-core",
107 static struct sys_device s5pv210_sysdev = {
108 .cls = &s5pv210_sysclass,
111 static int __init s5pv210_core_init(void)
113 return sysdev_class_register(&s5pv210_sysclass);
116 core_initcall(s5pv210_core_init);
118 int __init s5pv210_init(void)
120 printk(KERN_INFO "S5PV210: Initializing architecture\n");
122 /* set idle function */
123 pm_idle = s5pv210_idle;
125 return sysdev_register(&s5pv210_sysdev);