1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* linux/arch/arm/plat-s5p/cpu.c
*
* Copyright (c) 2009 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* S5P CPU Support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <mach/map.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/regs-clock.h>
#include <plat/cpu.h>
#include <plat/s5p6440.h>
#include <plat/s5p6442.h>
#include <plat/s5pc100.h>
#include <plat/s5pv210.h>
#include <plat/s5pv310.h>
/* table of supported CPUs */
static const char name_s5p6440[] = "S5P6440";
static const char name_s5p6442[] = "S5P6442";
static const char name_s5pc100[] = "S5PC100";
static const char name_s5pv210[] = "S5PV210/S5PC110";
static const char name_s5pv310[] = "S5PV310";
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = 0x56440100,
.idmask = 0xffffff00,
.map_io = s5p6440_map_io,
.init_clocks = s5p6440_init_clocks,
.init_uarts = s5p6440_init_uarts,
.init = s5p6440_init,
.name = name_s5p6440,
}, {
.idcode = 0x36442000,
.idmask = 0xffffff00,
.map_io = s5p6442_map_io,
.init_clocks = s5p6442_init_clocks,
.init_uarts = s5p6442_init_uarts,
.init = s5p6442_init,
.name = name_s5p6442,
}, {
.idcode = 0x43100000,
.idmask = 0xfffff000,
.map_io = s5pc100_map_io,
.init_clocks = s5pc100_init_clocks,
.init_uarts = s5pc100_init_uarts,
.init = s5pc100_init,
.name = name_s5pc100,
}, {
.idcode = 0x43110000,
.idmask = 0xfffff000,
.map_io = s5pv210_map_io,
.init_clocks = s5pv210_init_clocks,
.init_uarts = s5pv210_init_uarts,
.init = s5pv210_init,
.name = name_s5pv210,
}, {
.idcode = 0x43200000,
.idmask = 0xfffff000,
.map_io = s5pv310_map_io,
.init_clocks = s5pv310_init_clocks,
.init_uarts = s5pv310_init_uarts,
.init = s5pv310_init,
.name = name_s5pv310,
},
};
/* minimal IO mapping */
static struct map_desc s5p_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_CHIPID,
.pfn = __phys_to_pfn(S5P_PA_CHIPID),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(S5P_PA_SYSCON),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S3C_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
#ifdef CONFIG_ARM_VIC
}, {
.virtual = (unsigned long)VA_VIC0,
.pfn = __phys_to_pfn(S5P_PA_VIC0),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC1,
.pfn = __phys_to_pfn(S5P_PA_VIC1),
.length = SZ_16K,
.type = MT_DEVICE,
#endif
}, {
.virtual = (unsigned long)S3C_VA_TIMER,
.pfn = __phys_to_pfn(S5P_PA_TIMER),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_GPIO,
.pfn = __phys_to_pfn(S5P_PA_GPIO),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
/* read cpu identification code */
void __init s5p_init_io(struct map_desc *mach_desc,
int size, void __iomem *cpuid_addr)
{
unsigned long idcode;
/* initialize the io descriptors we need for initialization */
iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
if (mach_desc)
iotable_init(mach_desc, size);
idcode = __raw_readl(cpuid_addr);
s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
}
|
