1 /*
2 * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
4 *
5 * Common Codes for S5PV210
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/clk.h>
20 #include <linux/io.h>
21 #include <linux/device.h>
22 #include <linux/platform_device.h>
23 #include <linux/sched.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/serial_core.h>
26
27 #include <asm/proc-fns.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/irq.h>
31
32 #include <mach/map.h>
33 #include <mach/regs-clock.h>
34
35 #include <plat/cpu.h>
36 #include <plat/clock.h>
37 #include <plat/devs.h>
38 #include <plat/sdhci.h>
39 #include <plat/adc-core.h>
40 #include <plat/ata-core.h>
41 #include <plat/fb-core.h>
42 #include <plat/fimc-core.h>
43 #include <plat/iic-core.h>
44 #include <plat/keypad-core.h>
45 #include <plat/tv-core.h>
46 #include <plat/spi-core.h>
47 #include <plat/regs-serial.h>
48
49 #include "common.h"
50
51 static const char name_s5pv210[] = "S5PV210/S5PC110";
52
53 static struct cpu_table cpu_ids[] __initdata = {
54 {
55 .idcode = S5PV210_CPU_ID,
56 .idmask = S5PV210_CPU_MASK,
57 .map_io = s5pv210_map_io,
58 .init_clocks = s5pv210_init_clocks,
59 .init_uarts = s5pv210_init_uarts,
60 .init = s5pv210_init,
61 .name = name_s5pv210,
62 },
63 };
64
65 /* Initial IO mappings */
66
67 static struct map_desc s5pv210_iodesc[] __initdata = {
68 {
69 .virtual = (unsigned long)S5P_VA_CHIPID,
70 .pfn = __phys_to_pfn(S5PV210_PA_CHIPID),
71 .length = SZ_4K,
72 .type = MT_DEVICE,
73 }, {
74 .virtual = (unsigned long)S3C_VA_SYS,
75 .pfn = __phys_to_pfn(S5PV210_PA_SYSCON),
76 .length = SZ_64K,
77 .type = MT_DEVICE,
78 }, {
79 .virtual = (unsigned long)S3C_VA_TIMER,
80 .pfn = __phys_to_pfn(S5PV210_PA_TIMER),
81 .length = SZ_16K,
82 .type = MT_DEVICE,
83 }, {
84 .virtual = (unsigned long)S3C_VA_WATCHDOG,
85 .pfn = __phys_to_pfn(S5PV210_PA_WATCHDOG),
86 .length = SZ_4K,
87 .type = MT_DEVICE,
88 }, {
89 .virtual = (unsigned long)S5P_VA_SROMC,
90 .pfn = __phys_to_pfn(S5PV210_PA_SROMC),
91 .length = SZ_4K,
92 .type = MT_DEVICE,
93 }, {
94 .virtual = (unsigned long)S5P_VA_SYSTIMER,
95 .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
96 .length = SZ_4K,
97 .type = MT_DEVICE,
98 }, {
99 .virtual = (unsigned long)S5P_VA_GPIO,
100 .pfn = __phys_to_pfn(S5PV210_PA_GPIO),
101 .length = SZ_4K,
102 .type = MT_DEVICE,
103 }, {
104 .virtual = (unsigned long)VA_VIC0,
105 .pfn = __phys_to_pfn(S5PV210_PA_VIC0),
106 .length = SZ_16K,
107 .type = MT_DEVICE,
108 }, {
109 .virtual = (unsigned long)VA_VIC1,
110 .pfn = __phys_to_pfn(S5PV210_PA_VIC1),
111 .length = SZ_16K,
112 .type = MT_DEVICE,
113 }, {
114 .virtual = (unsigned long)VA_VIC2,
115 .pfn = __phys_to_pfn(S5PV210_PA_VIC2),
116 .length = SZ_16K,
117 .type = MT_DEVICE,
118 }, {
119 .virtual = (unsigned long)VA_VIC3,
120 .pfn = __phys_to_pfn(S5PV210_PA_VIC3),
121 .length = SZ_16K,
122 .type = MT_DEVICE,
123 }, {
124 .virtual = (unsigned long)S3C_VA_UART,
125 .pfn = __phys_to_pfn(S3C_PA_UART),
126 .length = SZ_512K,
127 .type = MT_DEVICE,
128 }, {
129 .virtual = (unsigned long)S5P_VA_DMC0,
130 .pfn = __phys_to_pfn(S5PV210_PA_DMC0),
131 .length = SZ_4K,
132 .type = MT_DEVICE,
133 }, {
134 .virtual = (unsigned long)S5P_VA_DMC1,
135 .pfn = __phys_to_pfn(S5PV210_PA_DMC1),
136 .length = SZ_4K,
137 .type = MT_DEVICE,
138 }, {
139 .virtual = (unsigned long)S3C_VA_USB_HSPHY,
140 .pfn =__phys_to_pfn(S5PV210_PA_HSPHY),
141 .length = SZ_4K,
142 .type = MT_DEVICE,
143 }
144 };
145
s5pv210_restart(char mode,const char * cmd)146 void s5pv210_restart(char mode, const char *cmd)
147 {
148 __raw_writel(0x1, S5P_SWRESET);
149 }
150
151 /*
152 * s5pv210_map_io
153 *
154 * register the standard cpu IO areas
155 */
156
s5pv210_init_io(struct map_desc * mach_desc,int size)157 void __init s5pv210_init_io(struct map_desc *mach_desc, int size)
158 {
159 /* initialize the io descriptors we need for initialization */
160 iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
161 if (mach_desc)
162 iotable_init(mach_desc, size);
163
164 /* detect cpu id and rev. */
165 s5p_init_cpu(S5P_VA_CHIPID);
166
167 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
168 }
169
s5pv210_map_io(void)170 void __init s5pv210_map_io(void)
171 {
172 /* initialise device information early */
173 s5pv210_default_sdhci0();
174 s5pv210_default_sdhci1();
175 s5pv210_default_sdhci2();
176 s5pv210_default_sdhci3();
177
178 s3c_adc_setname("samsung-adc-v3");
179
180 s3c_cfcon_setname("s5pv210-pata");
181
182 s3c_fimc_setname(0, "s5pv210-fimc");
183 s3c_fimc_setname(1, "s5pv210-fimc");
184 s3c_fimc_setname(2, "s5pv210-fimc");
185
186 /* the i2c devices are directly compatible with s3c2440 */
187 s3c_i2c0_setname("s3c2440-i2c");
188 s3c_i2c1_setname("s3c2440-i2c");
189 s3c_i2c2_setname("s3c2440-i2c");
190
191 s3c_fb_setname("s5pv210-fb");
192
193 /* Use s5pv210-keypad instead of samsung-keypad */
194 samsung_keypad_setname("s5pv210-keypad");
195
196 /* setup TV devices */
197 s5p_hdmi_setname("s5pv210-hdmi");
198
199 s3c64xx_spi_setname("s5pv210-spi");
200 }
201
s5pv210_init_clocks(int xtal)202 void __init s5pv210_init_clocks(int xtal)
203 {
204 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
205
206 s3c24xx_register_baseclocks(xtal);
207 s5p_register_clocks(xtal);
208 s5pv210_register_clocks();
209 s5pv210_setup_clocks();
210 }
211
s5pv210_init_irq(void)212 void __init s5pv210_init_irq(void)
213 {
214 u32 vic[4]; /* S5PV210 supports 4 VIC */
215
216 /* All the VICs are fully populated. */
217 vic[0] = ~0;
218 vic[1] = ~0;
219 vic[2] = ~0;
220 vic[3] = ~0;
221
222 s5p_init_irq(vic, ARRAY_SIZE(vic));
223 }
224
225 struct bus_type s5pv210_subsys = {
226 .name = "s5pv210-core",
227 .dev_name = "s5pv210-core",
228 };
229
230 static struct device s5pv210_dev = {
231 .bus = &s5pv210_subsys,
232 };
233
s5pv210_core_init(void)234 static int __init s5pv210_core_init(void)
235 {
236 return subsys_system_register(&s5pv210_subsys, NULL);
237 }
238 core_initcall(s5pv210_core_init);
239
s5pv210_init(void)240 int __init s5pv210_init(void)
241 {
242 printk(KERN_INFO "S5PV210: Initializing architecture\n");
243 return device_register(&s5pv210_dev);
244 }
245
246 /* uart registration process */
247
s5pv210_init_uarts(struct s3c2410_uartcfg * cfg,int no)248 void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
249 {
250 s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
251 }
252