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common.c
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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,
71  .length = SZ_4K,
72  .type = MT_DEVICE,
73  }, {
74  .virtual = (unsigned long)S3C_VA_SYS,
76  .length = SZ_64K,
77  .type = MT_DEVICE,
78  }, {
79  .virtual = (unsigned long)S3C_VA_TIMER,
81  .length = SZ_16K,
82  .type = MT_DEVICE,
83  }, {
84  .virtual = (unsigned long)S3C_VA_WATCHDOG,
86  .length = SZ_4K,
87  .type = MT_DEVICE,
88  }, {
89  .virtual = (unsigned long)S5P_VA_SROMC,
91  .length = SZ_4K,
92  .type = MT_DEVICE,
93  }, {
94  .virtual = (unsigned long)S5P_VA_SYSTIMER,
96  .length = SZ_4K,
97  .type = MT_DEVICE,
98  }, {
99  .virtual = (unsigned long)S5P_VA_GPIO,
101  .length = SZ_4K,
102  .type = MT_DEVICE,
103  }, {
104  .virtual = (unsigned long)VA_VIC0,
106  .length = SZ_16K,
107  .type = MT_DEVICE,
108  }, {
109  .virtual = (unsigned long)VA_VIC1,
111  .length = SZ_16K,
112  .type = MT_DEVICE,
113  }, {
114  .virtual = (unsigned long)VA_VIC2,
116  .length = SZ_16K,
117  .type = MT_DEVICE,
118  }, {
119  .virtual = (unsigned long)VA_VIC3,
121  .length = SZ_16K,
122  .type = MT_DEVICE,
123  }, {
124  .virtual = (unsigned long)S3C_VA_UART,
126  .length = SZ_512K,
127  .type = MT_DEVICE,
128  }, {
129  .virtual = (unsigned long)S5P_VA_DMC0,
131  .length = SZ_4K,
132  .type = MT_DEVICE,
133  }, {
134  .virtual = (unsigned long)S5P_VA_DMC1,
136  .length = SZ_4K,
137  .type = MT_DEVICE,
138  }, {
139  .virtual = (unsigned long)S3C_VA_USB_HSPHY,
141  .length = SZ_4K,
142  .type = MT_DEVICE,
143  }
144 };
145 
146 void s5pv210_restart(char mode, const char *cmd)
147 {
149 }
150 
151 /*
152  * s5pv210_map_io
153  *
154  * register the standard cpu IO areas
155  */
156 
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. */
166 
167  s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
168 }
169 
171 {
172  init_consistent_dma_size(14 << 20);
173 
174  /* initialise device information early */
175  s5pv210_default_sdhci0();
176  s5pv210_default_sdhci1();
177  s5pv210_default_sdhci2();
178  s5pv210_default_sdhci3();
179 
180  s3c_adc_setname("samsung-adc-v3");
181 
182  s3c_cfcon_setname("s5pv210-pata");
183 
184  s3c_fimc_setname(0, "s5pv210-fimc");
185  s3c_fimc_setname(1, "s5pv210-fimc");
186  s3c_fimc_setname(2, "s5pv210-fimc");
187 
188  /* the i2c devices are directly compatible with s3c2440 */
189  s3c_i2c0_setname("s3c2440-i2c");
190  s3c_i2c1_setname("s3c2440-i2c");
191  s3c_i2c2_setname("s3c2440-i2c");
192 
193  s3c_fb_setname("s5pv210-fb");
194 
195  /* Use s5pv210-keypad instead of samsung-keypad */
196  samsung_keypad_setname("s5pv210-keypad");
197 
198  /* setup TV devices */
199  s5p_hdmi_setname("s5pv210-hdmi");
200 
201  s3c64xx_spi_setname("s5pv210-spi");
202 }
203 
205 {
206  printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
207 
209  s5p_register_clocks(xtal);
212 }
213 
215 {
216  u32 vic[4]; /* S5PV210 supports 4 VIC */
217 
218  /* All the VICs are fully populated. */
219  vic[0] = ~0;
220  vic[1] = ~0;
221  vic[2] = ~0;
222  vic[3] = ~0;
223 
224  s5p_init_irq(vic, ARRAY_SIZE(vic));
225 }
226 
228  .name = "s5pv210-core",
229  .dev_name = "s5pv210-core",
230 };
231 
232 static struct device s5pv210_dev = {
233  .bus = &s5pv210_subsys,
234 };
235 
236 static int __init s5pv210_core_init(void)
237 {
238  return subsys_system_register(&s5pv210_subsys, NULL);
239 }
240 core_initcall(s5pv210_core_init);
241 
243 {
244  printk(KERN_INFO "S5PV210: Initializing architecture\n");
245  return device_register(&s5pv210_dev);
246 }
247 
248 /* uart registration process */
249 
251 {
252  s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
253 }