1 /* linux/arch/arm/plat-s5p/cpu.c
3 * Copyright (c) 2009 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/init.h>
14 #include <linux/module.h>
16 #include <asm/mach/arch.h>
17 #include <asm/mach/map.h>
18 #include <mach/regs-clock.h>
20 #include <plat/s5p6440.h>
21 #include <plat/s5p6442.h>
22 #include <plat/s5pc100.h>
23 #include <plat/s5pv210.h>
25 /* table of supported CPUs */
27 static const char name_s5p6440
[] = "S5P6440";
28 static const char name_s5p6442
[] = "S5P6442";
29 static const char name_s5pc100
[] = "S5PC100";
30 static const char name_s5pv210
[] = "S5PV210/S5PC110";
32 static struct cpu_table cpu_ids
[] __initdata
= {
36 .map_io
= s5p6440_map_io
,
37 .init_clocks
= s5p6440_init_clocks
,
38 .init_uarts
= s5p6440_init_uarts
,
44 .map_io
= s5p6442_map_io
,
45 .init_clocks
= s5p6442_init_clocks
,
46 .init_uarts
= s5p6442_init_uarts
,
52 .map_io
= s5pc100_map_io
,
53 .init_clocks
= s5pc100_init_clocks
,
54 .init_uarts
= s5pc100_init_uarts
,
60 .map_io
= s5pv210_map_io
,
61 .init_clocks
= s5pv210_init_clocks
,
62 .init_uarts
= s5pv210_init_uarts
,
68 /* minimal IO mapping */
70 static struct map_desc s5p_iodesc
[] __initdata
= {
72 .virtual = (unsigned long)S5P_VA_CHIPID
,
73 .pfn
= __phys_to_pfn(S5P_PA_CHIPID
),
77 .virtual = (unsigned long)S3C_VA_SYS
,
78 .pfn
= __phys_to_pfn(S5P_PA_SYSCON
),
82 .virtual = (unsigned long)S3C_VA_UART
,
83 .pfn
= __phys_to_pfn(S3C_PA_UART
),
87 .virtual = (unsigned long)VA_VIC0
,
88 .pfn
= __phys_to_pfn(S5P_PA_VIC0
),
92 .virtual = (unsigned long)VA_VIC1
,
93 .pfn
= __phys_to_pfn(S5P_PA_VIC1
),
97 .virtual = (unsigned long)S3C_VA_TIMER
,
98 .pfn
= __phys_to_pfn(S5P_PA_TIMER
),
102 .virtual = (unsigned long)S5P_VA_GPIO
,
103 .pfn
= __phys_to_pfn(S5P_PA_GPIO
),
109 /* read cpu identification code */
111 void __init
s5p_init_io(struct map_desc
*mach_desc
,
112 int size
, void __iomem
*cpuid_addr
)
114 unsigned long idcode
;
116 /* initialize the io descriptors we need for initialization */
117 iotable_init(s5p_iodesc
, ARRAY_SIZE(s5p_iodesc
));
119 iotable_init(mach_desc
, size
);
121 idcode
= __raw_readl(cpuid_addr
);
122 s3c_init_cpu(idcode
, cpu_ids
, ARRAY_SIZE(cpu_ids
));