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>
24 #include <plat/s5pv310.h>
26 /* table of supported CPUs */
28 static const char name_s5p6440
[] = "S5P6440";
29 static const char name_s5p6442
[] = "S5P6442";
30 static const char name_s5pc100
[] = "S5PC100";
31 static const char name_s5pv210
[] = "S5PV210/S5PC110";
32 static const char name_s5pv310
[] = "S5PV310";
34 static struct cpu_table cpu_ids
[] __initdata
= {
38 .map_io
= s5p6440_map_io
,
39 .init_clocks
= s5p6440_init_clocks
,
40 .init_uarts
= s5p6440_init_uarts
,
46 .map_io
= s5p6442_map_io
,
47 .init_clocks
= s5p6442_init_clocks
,
48 .init_uarts
= s5p6442_init_uarts
,
54 .map_io
= s5pc100_map_io
,
55 .init_clocks
= s5pc100_init_clocks
,
56 .init_uarts
= s5pc100_init_uarts
,
62 .map_io
= s5pv210_map_io
,
63 .init_clocks
= s5pv210_init_clocks
,
64 .init_uarts
= s5pv210_init_uarts
,
70 .map_io
= s5pv310_map_io
,
71 .init_clocks
= s5pv310_init_clocks
,
72 .init_uarts
= s5pv310_init_uarts
,
78 /* minimal IO mapping */
80 static struct map_desc s5p_iodesc
[] __initdata
= {
82 .virtual = (unsigned long)S5P_VA_CHIPID
,
83 .pfn
= __phys_to_pfn(S5P_PA_CHIPID
),
87 .virtual = (unsigned long)S3C_VA_SYS
,
88 .pfn
= __phys_to_pfn(S5P_PA_SYSCON
),
92 .virtual = (unsigned long)S3C_VA_UART
,
93 .pfn
= __phys_to_pfn(S3C_PA_UART
),
98 .virtual = (unsigned long)VA_VIC0
,
99 .pfn
= __phys_to_pfn(S5P_PA_VIC0
),
103 .virtual = (unsigned long)VA_VIC1
,
104 .pfn
= __phys_to_pfn(S5P_PA_VIC1
),
109 .virtual = (unsigned long)S3C_VA_TIMER
,
110 .pfn
= __phys_to_pfn(S5P_PA_TIMER
),
114 .virtual = (unsigned long)S5P_VA_GPIO
,
115 .pfn
= __phys_to_pfn(S5P_PA_GPIO
),
119 .virtual = (unsigned long)S3C_VA_WATCHDOG
,
120 .pfn
= __phys_to_pfn(S3C_PA_WDT
),
126 /* read cpu identification code */
128 void __init
s5p_init_io(struct map_desc
*mach_desc
,
129 int size
, void __iomem
*cpuid_addr
)
131 unsigned long idcode
;
133 /* initialize the io descriptors we need for initialization */
134 iotable_init(s5p_iodesc
, ARRAY_SIZE(s5p_iodesc
));
136 iotable_init(mach_desc
, size
);
138 idcode
= __raw_readl(cpuid_addr
);
139 s3c_init_cpu(idcode
, cpu_ids
, ARRAY_SIZE(cpu_ids
));