2 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
5 * Copyright 2009 Samsung Electronics Co.
6 * Byungho Min <bhmin@samsung.com>
8 * Common Codes for S5PC100
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.
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>
23 #include <linux/device.h>
24 #include <linux/serial_core.h>
25 #include <linux/platform_device.h>
26 #include <linux/sched.h>
29 #include <asm/proc-fns.h>
30 #include <asm/system_misc.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
36 #include <mach/hardware.h>
37 #include <mach/regs-clock.h>
40 #include <plat/devs.h>
41 #include <plat/clock.h>
42 #include <plat/sdhci.h>
43 #include <plat/adc-core.h>
44 #include <plat/ata-core.h>
45 #include <plat/fb-core.h>
46 #include <plat/iic-core.h>
47 #include <plat/onenand-core.h>
48 #include <plat/regs-serial.h>
49 #include <plat/watchdog-reset.h>
53 static const char name_s5pc100[] = "S5PC100";
55 static struct cpu_table cpu_ids[] __initdata = {
57 .idcode = S5PC100_CPU_ID,
58 .idmask = S5PC100_CPU_MASK,
59 .map_io = s5pc100_map_io,
60 .init_clocks = s5pc100_init_clocks,
61 .init_uarts = s5pc100_init_uarts,
67 /* Initial IO mappings */
69 static struct map_desc s5pc100_iodesc[] __initdata = {
71 .virtual = (unsigned long)S5P_VA_CHIPID,
72 .pfn = __phys_to_pfn(S5PC100_PA_CHIPID),
76 .virtual = (unsigned long)S3C_VA_SYS,
77 .pfn = __phys_to_pfn(S5PC100_PA_SYSCON),
81 .virtual = (unsigned long)S3C_VA_TIMER,
82 .pfn = __phys_to_pfn(S5PC100_PA_TIMER),
86 .virtual = (unsigned long)S3C_VA_WATCHDOG,
87 .pfn = __phys_to_pfn(S5PC100_PA_WATCHDOG),
91 .virtual = (unsigned long)S5P_VA_SROMC,
92 .pfn = __phys_to_pfn(S5PC100_PA_SROMC),
96 .virtual = (unsigned long)S5P_VA_SYSTIMER,
97 .pfn = __phys_to_pfn(S5PC100_PA_SYSTIMER),
101 .virtual = (unsigned long)S5P_VA_GPIO,
102 .pfn = __phys_to_pfn(S5PC100_PA_GPIO),
106 .virtual = (unsigned long)VA_VIC0,
107 .pfn = __phys_to_pfn(S5PC100_PA_VIC0),
111 .virtual = (unsigned long)VA_VIC1,
112 .pfn = __phys_to_pfn(S5PC100_PA_VIC1),
116 .virtual = (unsigned long)VA_VIC2,
117 .pfn = __phys_to_pfn(S5PC100_PA_VIC2),
121 .virtual = (unsigned long)S3C_VA_UART,
122 .pfn = __phys_to_pfn(S3C_PA_UART),
126 .virtual = (unsigned long)S5PC100_VA_OTHERS,
127 .pfn = __phys_to_pfn(S5PC100_PA_OTHERS),
136 * register the standard CPU IO areas
139 void __init s5pc100_init_io(struct map_desc *mach_desc, int size)
141 /* initialize the io descriptors we need for initialization */
142 iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
144 iotable_init(mach_desc, size);
146 /* detect cpu id and rev. */
147 s5p_init_cpu(S5P_VA_CHIPID);
149 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
152 void __init s5pc100_map_io(void)
154 /* initialise device information early */
155 s5pc100_default_sdhci0();
156 s5pc100_default_sdhci1();
157 s5pc100_default_sdhci2();
159 s3c_adc_setname("s3c64xx-adc");
161 /* the i2c devices are directly compatible with s3c2440 */
162 s3c_i2c0_setname("s3c2440-i2c");
163 s3c_i2c1_setname("s3c2440-i2c");
165 s3c_onenand_setname("s5pc100-onenand");
166 s3c_fb_setname("s5pc100-fb");
167 s3c_cfcon_setname("s5pc100-pata");
170 void __init s5pc100_init_clocks(int xtal)
172 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
174 s3c24xx_register_baseclocks(xtal);
175 s5p_register_clocks(xtal);
176 s5pc100_register_clocks();
177 s5pc100_setup_clocks();
180 void __init s5pc100_init_irq(void)
182 u32 vic[] = {~0, ~0, ~0};
184 /* VIC0, VIC1, and VIC2 are fully populated. */
185 s5p_init_irq(vic, ARRAY_SIZE(vic));
188 static struct bus_type s5pc100_subsys = {
189 .name = "s5pc100-core",
190 .dev_name = "s5pc100-core",
193 static struct device s5pc100_dev = {
194 .bus = &s5pc100_subsys,
197 static int __init s5pc100_core_init(void)
199 return subsys_system_register(&s5pc100_subsys, NULL);
201 core_initcall(s5pc100_core_init);
203 int __init s5pc100_init(void)
205 printk(KERN_INFO "S5PC100: Initializing architecture\n");
206 return device_register(&s5pc100_dev);
209 /* uart registration process */
211 void __init s5pc100_init_uarts(struct s3c2410_uartcfg *cfg, int no)
213 s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
216 void s5pc100_restart(char mode, const char *cmd)