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>
22 #include <linux/sched.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26 #include <asm/mach/irq.h>
28 #include <asm/proc-fns.h>
30 #include <mach/regs-clock.h>
33 #include <plat/devs.h>
34 #include <plat/clock.h>
35 #include <plat/fb-core.h>
36 #include <plat/s5pv210.h>
37 #include <plat/adc-core.h>
38 #include <plat/ata-core.h>
39 #include <plat/fimc-core.h>
40 #include <plat/iic-core.h>
41 #include <plat/keypad-core.h>
42 #include <plat/sdhci.h>
43 #include <plat/reset.h>
45 /* Initial IO mappings */
47 static struct map_desc s5pv210_iodesc[] __initdata = {
49 .virtual = (unsigned long)S5P_VA_SYSTIMER,
50 .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
54 .virtual = (unsigned long)S5P_VA_GPIO,
55 .pfn = __phys_to_pfn(S5PV210_PA_GPIO),
59 .virtual = (unsigned long)VA_VIC0,
60 .pfn = __phys_to_pfn(S5PV210_PA_VIC0),
64 .virtual = (unsigned long)VA_VIC1,
65 .pfn = __phys_to_pfn(S5PV210_PA_VIC1),
69 .virtual = (unsigned long)VA_VIC2,
70 .pfn = __phys_to_pfn(S5PV210_PA_VIC2),
74 .virtual = (unsigned long)VA_VIC3,
75 .pfn = __phys_to_pfn(S5PV210_PA_VIC3),
79 .virtual = (unsigned long)S3C_VA_UART,
80 .pfn = __phys_to_pfn(S3C_PA_UART),
84 .virtual = (unsigned long)S5P_VA_SROMC,
85 .pfn = __phys_to_pfn(S5PV210_PA_SROMC),
89 .virtual = (unsigned long)S5P_VA_DMC0,
90 .pfn = __phys_to_pfn(S5PV210_PA_DMC0),
94 .virtual = (unsigned long)S5P_VA_DMC1,
95 .pfn = __phys_to_pfn(S5PV210_PA_DMC1),
99 .virtual = (unsigned long)S3C_VA_USB_HSPHY,
100 .pfn =__phys_to_pfn(S5PV210_PA_HSPHY),
106 static void s5pv210_idle(void)
114 static void s5pv210_sw_reset(void)
116 __raw_writel(0x1, S5P_SWRESET);
121 * register the standard cpu IO areas
124 void __init s5pv210_map_io(void)
126 iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
128 /* initialise device information early */
129 s5pv210_default_sdhci0();
130 s5pv210_default_sdhci1();
131 s5pv210_default_sdhci2();
132 s5pv210_default_sdhci3();
134 s3c_adc_setname("s3c64xx-adc");
136 s3c_cfcon_setname("s5pv210-pata");
138 s3c_fimc_setname(0, "s5pv210-fimc");
139 s3c_fimc_setname(1, "s5pv210-fimc");
140 s3c_fimc_setname(2, "s5pv210-fimc");
142 /* the i2c devices are directly compatible with s3c2440 */
143 s3c_i2c0_setname("s3c2440-i2c");
144 s3c_i2c1_setname("s3c2440-i2c");
145 s3c_i2c2_setname("s3c2440-i2c");
147 s3c_fb_setname("s5pv210-fb");
149 /* Use s5pv210-keypad instead of samsung-keypad */
150 samsung_keypad_setname("s5pv210-keypad");
153 void __init s5pv210_init_clocks(int xtal)
155 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
157 s3c24xx_register_baseclocks(xtal);
158 s5p_register_clocks(xtal);
159 s5pv210_register_clocks();
160 s5pv210_setup_clocks();
163 void __init s5pv210_init_irq(void)
165 u32 vic[4]; /* S5PV210 supports 4 VIC */
167 /* All the VICs are fully populated. */
173 s5p_init_irq(vic, ARRAY_SIZE(vic));
176 struct sysdev_class s5pv210_sysclass = {
177 .name = "s5pv210-core",
180 static struct sys_device s5pv210_sysdev = {
181 .cls = &s5pv210_sysclass,
184 static int __init s5pv210_core_init(void)
186 return sysdev_class_register(&s5pv210_sysclass);
189 core_initcall(s5pv210_core_init);
191 int __init s5pv210_init(void)
193 printk(KERN_INFO "S5PV210: Initializing architecture\n");
195 /* set idle function */
196 pm_idle = s5pv210_idle;
198 /* set sw_reset function */
199 s5p_reset_hook = s5pv210_sw_reset;
201 return sysdev_register(&s5pv210_sysdev);