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diff --git a/arch/arm/mach-s5pc100/common.c b/arch/arm/mach-s5pc100/common.c
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1/*
2 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
4 *
5 * Copyright 2009 Samsung Electronics Co.
6 * Byungho Min <bhmin@samsung.com>
7 *
8 * Common Codes for S5PC100
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/interrupt.h>
18#include <linux/list.h>
19#include <linux/timer.h>
20#include <linux/init.h>
21#include <linux/clk.h>
22#include <linux/io.h>
23#include <linux/sysdev.h>
24#include <linux/serial_core.h>
25#include <linux/platform_device.h>
26#include <linux/sched.h>
27
28#include <asm/irq.h>
29#include <asm/proc-fns.h>
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33
34#include <mach/map.h>
35#include <mach/hardware.h>
36#include <mach/regs-clock.h>
37
38#include <plat/cpu.h>
39#include <plat/devs.h>
40#include <plat/clock.h>
41#include <plat/sdhci.h>
42#include <plat/adc-core.h>
43#include <plat/ata-core.h>
44#include <plat/fb-core.h>
45#include <plat/iic-core.h>
46#include <plat/onenand-core.h>
47#include <plat/regs-serial.h>
48
49#include "common.h"
50
51static const char name_s5pc100[] = "S5PC100";
52
53static struct cpu_table cpu_ids[] __initdata = {
54 {
55 .idcode = S5PC100_CPU_ID,
56 .idmask = S5PC100_CPU_MASK,
57 .map_io = s5pc100_map_io,
58 .init_clocks = s5pc100_init_clocks,
59 .init_uarts = s5pc100_init_uarts,
60 .init = s5pc100_init,
61 .name = name_s5pc100,
62 },
63};
64
65/* Initial IO mappings */
66
67static struct map_desc s5pc100_iodesc[] __initdata = {
68 {
69 .virtual = (unsigned long)S5P_VA_CHIPID,
70 .pfn = __phys_to_pfn(S5PC100_PA_CHIPID),
71 .length = SZ_4K,
72 .type = MT_DEVICE,
73 }, {
74 .virtual = (unsigned long)S3C_VA_SYS,
75 .pfn = __phys_to_pfn(S5PC100_PA_SYSCON),
76 .length = SZ_64K,
77 .type = MT_DEVICE,
78 }, {
79 .virtual = (unsigned long)S3C_VA_TIMER,
80 .pfn = __phys_to_pfn(S5PC100_PA_TIMER),
81 .length = SZ_16K,
82 .type = MT_DEVICE,
83 }, {
84 .virtual = (unsigned long)S3C_VA_WATCHDOG,
85 .pfn = __phys_to_pfn(S5PC100_PA_WATCHDOG),
86 .length = SZ_4K,
87 .type = MT_DEVICE,
88 }, {
89 .virtual = (unsigned long)S5P_VA_SROMC,
90 .pfn = __phys_to_pfn(S5PC100_PA_SROMC),
91 .length = SZ_4K,
92 .type = MT_DEVICE,
93 }, {
94 .virtual = (unsigned long)S5P_VA_SYSTIMER,
95 .pfn = __phys_to_pfn(S5PC100_PA_SYSTIMER),
96 .length = SZ_16K,
97 .type = MT_DEVICE,
98 }, {
99 .virtual = (unsigned long)S5P_VA_GPIO,
100 .pfn = __phys_to_pfn(S5PC100_PA_GPIO),
101 .length = SZ_4K,
102 .type = MT_DEVICE,
103 }, {
104 .virtual = (unsigned long)VA_VIC0,
105 .pfn = __phys_to_pfn(S5PC100_PA_VIC0),
106 .length = SZ_16K,
107 .type = MT_DEVICE,
108 }, {
109 .virtual = (unsigned long)VA_VIC1,
110 .pfn = __phys_to_pfn(S5PC100_PA_VIC1),
111 .length = SZ_16K,
112 .type = MT_DEVICE,
113 }, {
114 .virtual = (unsigned long)VA_VIC2,
115 .pfn = __phys_to_pfn(S5PC100_PA_VIC2),
116 .length = SZ_16K,
117 .type = MT_DEVICE,
118 }, {
119 .virtual = (unsigned long)S3C_VA_UART,
120 .pfn = __phys_to_pfn(S3C_PA_UART),
121 .length = SZ_512K,
122 .type = MT_DEVICE,
123 }, {
124 .virtual = (unsigned long)S5PC100_VA_OTHERS,
125 .pfn = __phys_to_pfn(S5PC100_PA_OTHERS),
126 .length = SZ_4K,
127 .type = MT_DEVICE,
128 }
129};
130
131static void s5pc100_idle(void)
132{
133 if (!need_resched())
134 cpu_do_idle();
135
136 local_irq_enable();
137}
138
139/*
140 * s5pc100_map_io
141 *
142 * register the standard CPU IO areas
143 */
144
145void __init s5pc100_init_io(struct map_desc *mach_desc, int size)
146{
147 /* initialize the io descriptors we need for initialization */
148 iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
149 if (mach_desc)
150 iotable_init(mach_desc, size);
151
152 /* detect cpu id and rev. */
153 s5p_init_cpu(S5P_VA_CHIPID);
154
155 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
156}
157
158void __init s5pc100_map_io(void)
159{
160 /* initialise device information early */
161 s5pc100_default_sdhci0();
162 s5pc100_default_sdhci1();
163 s5pc100_default_sdhci2();
164
165 s3c_adc_setname("s3c64xx-adc");
166
167 /* the i2c devices are directly compatible with s3c2440 */
168 s3c_i2c0_setname("s3c2440-i2c");
169 s3c_i2c1_setname("s3c2440-i2c");
170
171 s3c_onenand_setname("s5pc100-onenand");
172 s3c_fb_setname("s5pc100-fb");
173 s3c_cfcon_setname("s5pc100-pata");
174}
175
176void __init s5pc100_init_clocks(int xtal)
177{
178 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
179
180 s3c24xx_register_baseclocks(xtal);
181 s5p_register_clocks(xtal);
182 s5pc100_register_clocks();
183 s5pc100_setup_clocks();
184}
185
186void __init s5pc100_init_irq(void)
187{
188 u32 vic[] = {~0, ~0, ~0};
189
190 /* VIC0, VIC1, and VIC2 are fully populated. */
191 s5p_init_irq(vic, ARRAY_SIZE(vic));
192}
193
194static struct sysdev_class s5pc100_sysclass = {
195 .name = "s5pc100-core",
196};
197
198static struct sys_device s5pc100_sysdev = {
199 .cls = &s5pc100_sysclass,
200};
201
202static int __init s5pc100_core_init(void)
203{
204 return sysdev_class_register(&s5pc100_sysclass);
205}
206core_initcall(s5pc100_core_init);
207
208int __init s5pc100_init(void)
209{
210 printk(KERN_INFO "S5PC100: Initializing architecture\n");
211
212 /* set idle function */
213 pm_idle = s5pc100_idle;
214
215 return sysdev_register(&s5pc100_sysdev);
216}
217
218/* uart registration process */
219
220void __init s5pc100_init_uarts(struct s3c2410_uartcfg *cfg, int no)
221{
222 s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
223}