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-rw-r--r--arch/arm/mach-s5pv210/common.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/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/sysdev.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/regs-serial.h>
47
48#include "common.h"
49
50static const char name_s5pv210[] = "S5PV210/S5PC110";
51
52static struct cpu_table cpu_ids[] __initdata = {
53 {
54 .idcode = S5PV210_CPU_ID,
55 .idmask = S5PV210_CPU_MASK,
56 .map_io = s5pv210_map_io,
57 .init_clocks = s5pv210_init_clocks,
58 .init_uarts = s5pv210_init_uarts,
59 .init = s5pv210_init,
60 .name = name_s5pv210,
61 },
62};
63
64/* Initial IO mappings */
65
66static struct map_desc s5pv210_iodesc[] __initdata = {
67 {
68 .virtual = (unsigned long)S5P_VA_CHIPID,
69 .pfn = __phys_to_pfn(S5PV210_PA_CHIPID),
70 .length = SZ_4K,
71 .type = MT_DEVICE,
72 }, {
73 .virtual = (unsigned long)S3C_VA_SYS,
74 .pfn = __phys_to_pfn(S5PV210_PA_SYSCON),
75 .length = SZ_64K,
76 .type = MT_DEVICE,
77 }, {
78 .virtual = (unsigned long)S3C_VA_TIMER,
79 .pfn = __phys_to_pfn(S5PV210_PA_TIMER),
80 .length = SZ_16K,
81 .type = MT_DEVICE,
82 }, {
83 .virtual = (unsigned long)S3C_VA_WATCHDOG,
84 .pfn = __phys_to_pfn(S5PV210_PA_WATCHDOG),
85 .length = SZ_4K,
86 .type = MT_DEVICE,
87 }, {
88 .virtual = (unsigned long)S5P_VA_SROMC,
89 .pfn = __phys_to_pfn(S5PV210_PA_SROMC),
90 .length = SZ_4K,
91 .type = MT_DEVICE,
92 }, {
93 .virtual = (unsigned long)S5P_VA_SYSTIMER,
94 .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
95 .length = SZ_4K,
96 .type = MT_DEVICE,
97 }, {
98 .virtual = (unsigned long)S5P_VA_GPIO,
99 .pfn = __phys_to_pfn(S5PV210_PA_GPIO),
100 .length = SZ_4K,
101 .type = MT_DEVICE,
102 }, {
103 .virtual = (unsigned long)VA_VIC0,
104 .pfn = __phys_to_pfn(S5PV210_PA_VIC0),
105 .length = SZ_16K,
106 .type = MT_DEVICE,
107 }, {
108 .virtual = (unsigned long)VA_VIC1,
109 .pfn = __phys_to_pfn(S5PV210_PA_VIC1),
110 .length = SZ_16K,
111 .type = MT_DEVICE,
112 }, {
113 .virtual = (unsigned long)VA_VIC2,
114 .pfn = __phys_to_pfn(S5PV210_PA_VIC2),
115 .length = SZ_16K,
116 .type = MT_DEVICE,
117 }, {
118 .virtual = (unsigned long)VA_VIC3,
119 .pfn = __phys_to_pfn(S5PV210_PA_VIC3),
120 .length = SZ_16K,
121 .type = MT_DEVICE,
122 }, {
123 .virtual = (unsigned long)S3C_VA_UART,
124 .pfn = __phys_to_pfn(S3C_PA_UART),
125 .length = SZ_512K,
126 .type = MT_DEVICE,
127 }, {
128 .virtual = (unsigned long)S5P_VA_DMC0,
129 .pfn = __phys_to_pfn(S5PV210_PA_DMC0),
130 .length = SZ_4K,
131 .type = MT_DEVICE,
132 }, {
133 .virtual = (unsigned long)S5P_VA_DMC1,
134 .pfn = __phys_to_pfn(S5PV210_PA_DMC1),
135 .length = SZ_4K,
136 .type = MT_DEVICE,
137 }, {
138 .virtual = (unsigned long)S3C_VA_USB_HSPHY,
139 .pfn =__phys_to_pfn(S5PV210_PA_HSPHY),
140 .length = SZ_4K,
141 .type = MT_DEVICE,
142 }
143};
144
145static void s5pv210_idle(void)
146{
147 if (!need_resched())
148 cpu_do_idle();
149
150 local_irq_enable();
151}
152
153void s5pv210_restart(char mode, const char *cmd)
154{
155 __raw_writel(0x1, S5P_SWRESET);
156}
157
158/*
159 * s5pv210_map_io
160 *
161 * register the standard cpu IO areas
162 */
163
164void __init s5pv210_init_io(struct map_desc *mach_desc, int size)
165{
166 /* initialize the io descriptors we need for initialization */
167 iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
168 if (mach_desc)
169 iotable_init(mach_desc, size);
170
171 /* detect cpu id and rev. */
172 s5p_init_cpu(S5P_VA_CHIPID);
173
174 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
175}
176
177void __init s5pv210_map_io(void)
178{
179 init_consistent_dma_size(14 << 20);
180
181 /* initialise device information early */
182 s5pv210_default_sdhci0();
183 s5pv210_default_sdhci1();
184 s5pv210_default_sdhci2();
185 s5pv210_default_sdhci3();
186
187 s3c_adc_setname("samsung-adc-v3");
188
189 s3c_cfcon_setname("s5pv210-pata");
190
191 s3c_fimc_setname(0, "s5pv210-fimc");
192 s3c_fimc_setname(1, "s5pv210-fimc");
193 s3c_fimc_setname(2, "s5pv210-fimc");
194
195 /* the i2c devices are directly compatible with s3c2440 */
196 s3c_i2c0_setname("s3c2440-i2c");
197 s3c_i2c1_setname("s3c2440-i2c");
198 s3c_i2c2_setname("s3c2440-i2c");
199
200 s3c_fb_setname("s5pv210-fb");
201
202 /* Use s5pv210-keypad instead of samsung-keypad */
203 samsung_keypad_setname("s5pv210-keypad");
204
205 /* setup TV devices */
206 s5p_hdmi_setname("s5pv210-hdmi");
207}
208
209void __init s5pv210_init_clocks(int xtal)
210{
211 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
212
213 s3c24xx_register_baseclocks(xtal);
214 s5p_register_clocks(xtal);
215 s5pv210_register_clocks();
216 s5pv210_setup_clocks();
217}
218
219void __init s5pv210_init_irq(void)
220{
221 u32 vic[4]; /* S5PV210 supports 4 VIC */
222
223 /* All the VICs are fully populated. */
224 vic[0] = ~0;
225 vic[1] = ~0;
226 vic[2] = ~0;
227 vic[3] = ~0;
228
229 s5p_init_irq(vic, ARRAY_SIZE(vic));
230}
231
232struct sysdev_class s5pv210_sysclass = {
233 .name = "s5pv210-core",
234};
235
236static struct sys_device s5pv210_sysdev = {
237 .cls = &s5pv210_sysclass,
238};
239
240static int __init s5pv210_core_init(void)
241{
242 return sysdev_class_register(&s5pv210_sysclass);
243}
244core_initcall(s5pv210_core_init);
245
246int __init s5pv210_init(void)
247{
248 printk(KERN_INFO "S5PV210: Initializing architecture\n");
249
250 /* set idle function */
251 pm_idle = s5pv210_idle;
252
253 return sysdev_register(&s5pv210_sysdev);
254}
255
256/* uart registration process */
257
258void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
259{
260 s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
261}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-21 05:38:37 -0400