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>
35 #include <plat/iic-core.h>
36 #include <plat/sdhci.h>
38 /* Initial IO mappings */
40 static struct map_desc s5pv210_iodesc[] __initdata = {
42 .virtual = (unsigned long)S5P_VA_SYSTIMER,
43 .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
47 .virtual = (unsigned long)VA_VIC2,
48 .pfn = __phys_to_pfn(S5PV210_PA_VIC2),
52 .virtual = (unsigned long)VA_VIC3,
53 .pfn = __phys_to_pfn(S5PV210_PA_VIC3),
57 .virtual = (unsigned long)S5P_VA_SROMC,
58 .pfn = __phys_to_pfn(S5PV210_PA_SROMC),
64 static void s5pv210_idle(void)
74 * register the standard cpu IO areas
77 void __init s5pv210_map_io(void)
79 #ifdef CONFIG_S3C_DEV_ADC
80 s3c_device_adc.name = "s3c64xx-adc";
83 iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
85 /* initialise device information early */
86 s5pv210_default_sdhci0();
87 s5pv210_default_sdhci1();
88 s5pv210_default_sdhci2();
90 /* the i2c devices are directly compatible with s3c2440 */
91 s3c_i2c0_setname("s3c2440-i2c");
92 s3c_i2c1_setname("s3c2440-i2c");
93 s3c_i2c2_setname("s3c2440-i2c");
96 void __init s5pv210_init_clocks(int xtal)
98 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
100 s3c24xx_register_baseclocks(xtal);
101 s5p_register_clocks(xtal);
102 s5pv210_register_clocks();
103 s5pv210_setup_clocks();
106 void __init s5pv210_init_irq(void)
108 u32 vic[4]; /* S5PV210 supports 4 VIC */
110 /* All the VICs are fully populated. */
116 s5p_init_irq(vic, ARRAY_SIZE(vic));
119 struct sysdev_class s5pv210_sysclass = {
120 .name = "s5pv210-core",
123 static struct sys_device s5pv210_sysdev = {
124 .cls = &s5pv210_sysclass,
127 static int __init s5pv210_core_init(void)
129 return sysdev_class_register(&s5pv210_sysclass);
132 core_initcall(s5pv210_core_init);
134 int __init s5pv210_init(void)
136 printk(KERN_INFO "S5PV210: Initializing architecture\n");
138 /* set idle function */
139 pm_idle = s5pv210_idle;
141 return sysdev_register(&s5pv210_sysdev);