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939d28aa KK |
1 | /* linux/arch/arm/mach-s5pv210/cpu.c |
2 | * | |
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | |
19a2c065 | 4 | * http://www.samsung.com |
939d28aa KK |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/types.h> | |
13 | #include <linux/interrupt.h> | |
14 | #include <linux/list.h> | |
15 | #include <linux/timer.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/module.h> | |
18 | #include <linux/clk.h> | |
19 | #include <linux/io.h> | |
20 | #include <linux/sysdev.h> | |
21 | #include <linux/platform_device.h> | |
4341f9b3 | 22 | #include <linux/sched.h> |
939d28aa KK |
23 | |
24 | #include <asm/mach/arch.h> | |
25 | #include <asm/mach/map.h> | |
26 | #include <asm/mach/irq.h> | |
27 | ||
28 | #include <asm/proc-fns.h> | |
29 | #include <mach/map.h> | |
30 | #include <mach/regs-clock.h> | |
31 | ||
32 | #include <plat/cpu.h> | |
33 | #include <plat/devs.h> | |
34 | #include <plat/clock.h> | |
eb42b044 | 35 | #include <plat/fb-core.h> |
939d28aa | 36 | #include <plat/s5pv210.h> |
50e9769a | 37 | #include <plat/adc-core.h> |
4b9a5ad5 | 38 | #include <plat/ata-core.h> |
33c14ff8 | 39 | #include <plat/fimc-core.h> |
c8d833bf | 40 | #include <plat/iic-core.h> |
e7d0628c | 41 | #include <plat/keypad-core.h> |
e6f66a9f | 42 | #include <plat/sdhci.h> |
4550ee20 | 43 | #include <plat/reset.h> |
939d28aa KK |
44 | |
45 | /* Initial IO mappings */ | |
46 | ||
47 | static struct map_desc s5pv210_iodesc[] __initdata = { | |
48 | { | |
49 | .virtual = (unsigned long)S5P_VA_SYSTIMER, | |
50 | .pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER), | |
a203a13a | 51 | .length = SZ_4K, |
939d28aa | 52 | .type = MT_DEVICE, |
19a2c065 KK |
53 | }, { |
54 | .virtual = (unsigned long)S5P_VA_GPIO, | |
55 | .pfn = __phys_to_pfn(S5PV210_PA_GPIO), | |
56 | .length = SZ_4K, | |
57 | .type = MT_DEVICE, | |
58 | }, { | |
59 | .virtual = (unsigned long)VA_VIC0, | |
60 | .pfn = __phys_to_pfn(S5PV210_PA_VIC0), | |
61 | .length = SZ_16K, | |
62 | .type = MT_DEVICE, | |
63 | }, { | |
64 | .virtual = (unsigned long)VA_VIC1, | |
65 | .pfn = __phys_to_pfn(S5PV210_PA_VIC1), | |
66 | .length = SZ_16K, | |
67 | .type = MT_DEVICE, | |
939d28aa KK |
68 | }, { |
69 | .virtual = (unsigned long)VA_VIC2, | |
70 | .pfn = __phys_to_pfn(S5PV210_PA_VIC2), | |
71 | .length = SZ_16K, | |
72 | .type = MT_DEVICE, | |
73 | }, { | |
74 | .virtual = (unsigned long)VA_VIC3, | |
75 | .pfn = __phys_to_pfn(S5PV210_PA_VIC3), | |
76 | .length = SZ_16K, | |
77 | .type = MT_DEVICE, | |
19a2c065 KK |
78 | }, { |
79 | .virtual = (unsigned long)S3C_VA_UART, | |
80 | .pfn = __phys_to_pfn(S3C_PA_UART), | |
81 | .length = SZ_512K, | |
82 | .type = MT_DEVICE, | |
1d826d14 JL |
83 | }, { |
84 | .virtual = (unsigned long)S5P_VA_DMC0, | |
85 | .pfn = __phys_to_pfn(S5PV210_PA_DMC0), | |
86 | .length = SZ_4K, | |
87 | .type = MT_DEVICE, | |
88 | }, { | |
89 | .virtual = (unsigned long)S5P_VA_DMC1, | |
90 | .pfn = __phys_to_pfn(S5PV210_PA_DMC1), | |
91 | .length = SZ_4K, | |
92 | .type = MT_DEVICE, | |
ca1931ca MS |
93 | }, { |
94 | .virtual = (unsigned long)S3C_VA_USB_HSPHY, | |
95 | .pfn =__phys_to_pfn(S5PV210_PA_HSPHY), | |
96 | .length = SZ_4K, | |
97 | .type = MT_DEVICE, | |
939d28aa KK |
98 | } |
99 | }; | |
100 | ||
101 | static void s5pv210_idle(void) | |
102 | { | |
103 | if (!need_resched()) | |
104 | cpu_do_idle(); | |
105 | ||
106 | local_irq_enable(); | |
107 | } | |
108 | ||
4550ee20 JL |
109 | static void s5pv210_sw_reset(void) |
110 | { | |
111 | __raw_writel(0x1, S5P_SWRESET); | |
112 | } | |
113 | ||
939d28aa KK |
114 | /* s5pv210_map_io |
115 | * | |
116 | * register the standard cpu IO areas | |
117 | */ | |
118 | ||
119 | void __init s5pv210_map_io(void) | |
120 | { | |
121 | iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc)); | |
c8d833bf | 122 | |
e6f66a9f MS |
123 | /* initialise device information early */ |
124 | s5pv210_default_sdhci0(); | |
125 | s5pv210_default_sdhci1(); | |
126 | s5pv210_default_sdhci2(); | |
976a62f2 | 127 | s5pv210_default_sdhci3(); |
e6f66a9f | 128 | |
a0428f3a | 129 | s3c_adc_setname("samsung-adc-v3"); |
50e9769a | 130 | |
4b9a5ad5 AK |
131 | s3c_cfcon_setname("s5pv210-pata"); |
132 | ||
d61bd77f KK |
133 | s3c_fimc_setname(0, "s5pv210-fimc"); |
134 | s3c_fimc_setname(1, "s5pv210-fimc"); | |
135 | s3c_fimc_setname(2, "s5pv210-fimc"); | |
e6f66a9f | 136 | |
c8d833bf MS |
137 | /* the i2c devices are directly compatible with s3c2440 */ |
138 | s3c_i2c0_setname("s3c2440-i2c"); | |
139 | s3c_i2c1_setname("s3c2440-i2c"); | |
140 | s3c_i2c2_setname("s3c2440-i2c"); | |
eb42b044 PO |
141 | |
142 | s3c_fb_setname("s5pv210-fb"); | |
636d1742 | 143 | |
e7d0628c JS |
144 | /* Use s5pv210-keypad instead of samsung-keypad */ |
145 | samsung_keypad_setname("s5pv210-keypad"); | |
939d28aa KK |
146 | } |
147 | ||
148 | void __init s5pv210_init_clocks(int xtal) | |
149 | { | |
150 | printk(KERN_DEBUG "%s: initializing clocks\n", __func__); | |
151 | ||
152 | s3c24xx_register_baseclocks(xtal); | |
153 | s5p_register_clocks(xtal); | |
154 | s5pv210_register_clocks(); | |
155 | s5pv210_setup_clocks(); | |
156 | } | |
157 | ||
158 | void __init s5pv210_init_irq(void) | |
159 | { | |
160 | u32 vic[4]; /* S5PV210 supports 4 VIC */ | |
161 | ||
162 | /* All the VICs are fully populated. */ | |
163 | vic[0] = ~0; | |
164 | vic[1] = ~0; | |
165 | vic[2] = ~0; | |
166 | vic[3] = ~0; | |
167 | ||
168 | s5p_init_irq(vic, ARRAY_SIZE(vic)); | |
169 | } | |
170 | ||
0ad73cef | 171 | struct sysdev_class s5pv210_sysclass = { |
939d28aa KK |
172 | .name = "s5pv210-core", |
173 | }; | |
174 | ||
175 | static struct sys_device s5pv210_sysdev = { | |
176 | .cls = &s5pv210_sysclass, | |
177 | }; | |
178 | ||
179 | static int __init s5pv210_core_init(void) | |
180 | { | |
181 | return sysdev_class_register(&s5pv210_sysclass); | |
182 | } | |
183 | ||
184 | core_initcall(s5pv210_core_init); | |
185 | ||
186 | int __init s5pv210_init(void) | |
187 | { | |
188 | printk(KERN_INFO "S5PV210: Initializing architecture\n"); | |
189 | ||
190 | /* set idle function */ | |
191 | pm_idle = s5pv210_idle; | |
192 | ||
4550ee20 JL |
193 | /* set sw_reset function */ |
194 | s5p_reset_hook = s5pv210_sw_reset; | |
195 | ||
939d28aa KK |
196 | return sysdev_register(&s5pv210_sysdev); |
197 | } |