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 iotable_init(s5pv210_iodesc
, ARRAY_SIZE(s5pv210_iodesc
));
81 /* initialise device information early */
82 s5pv210_default_sdhci0();
83 s5pv210_default_sdhci1();
84 s5pv210_default_sdhci2();
86 /* the i2c devices are directly compatible with s3c2440 */
87 s3c_i2c0_setname("s3c2440-i2c");
88 s3c_i2c1_setname("s3c2440-i2c");
89 s3c_i2c2_setname("s3c2440-i2c");
92 void __init
s5pv210_init_clocks(int xtal
)
94 printk(KERN_DEBUG
"%s: initializing clocks\n", __func__
);
96 s3c24xx_register_baseclocks(xtal
);
97 s5p_register_clocks(xtal
);
98 s5pv210_register_clocks();
99 s5pv210_setup_clocks();
102 void __init
s5pv210_init_irq(void)
104 u32 vic
[4]; /* S5PV210 supports 4 VIC */
106 /* All the VICs are fully populated. */
112 s5p_init_irq(vic
, ARRAY_SIZE(vic
));
115 struct sysdev_class s5pv210_sysclass
= {
116 .name
= "s5pv210-core",
119 static struct sys_device s5pv210_sysdev
= {
120 .cls
= &s5pv210_sysclass
,
123 static int __init
s5pv210_core_init(void)
125 return sysdev_class_register(&s5pv210_sysclass
);
128 core_initcall(s5pv210_core_init
);
130 int __init
s5pv210_init(void)
132 printk(KERN_INFO
"S5PV210: Initializing architecture\n");
134 /* set idle function */
135 pm_idle
= s5pv210_idle
;
137 return sysdev_register(&s5pv210_sysdev
);