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/s5pv210.h>
24 /* table of supported CPUs */
26 static const char name_s5p6440[] = "S5P6440";
27 static const char name_s5p6442[] = "S5P6442";
28 static const char name_s5pv210[] = "S5PV210/S5PC110";
30 static struct cpu_table cpu_ids[] __initdata = {
34 .map_io = s5p6440_map_io,
35 .init_clocks = s5p6440_init_clocks,
36 .init_uarts = s5p6440_init_uarts,
42 .map_io = s5p6442_map_io,
43 .init_clocks = s5p6442_init_clocks,
44 .init_uarts = s5p6442_init_uarts,
50 .map_io = s5pv210_map_io,
51 .init_clocks = s5pv210_init_clocks,
52 .init_uarts = s5pv210_init_uarts,
58 /* minimal IO mapping */
60 static struct map_desc s5p_iodesc[] __initdata = {
62 .virtual = (unsigned long)S5P_VA_CHIPID,
63 .pfn = __phys_to_pfn(S5P_PA_CHIPID),
67 .virtual = (unsigned long)S3C_VA_SYS,
68 .pfn = __phys_to_pfn(S5P_PA_SYSCON),
72 .virtual = (unsigned long)S3C_VA_UART,
73 .pfn = __phys_to_pfn(S3C_PA_UART),
77 .virtual = (unsigned long)VA_VIC0,
78 .pfn = __phys_to_pfn(S5P_PA_VIC0),
82 .virtual = (unsigned long)VA_VIC1,
83 .pfn = __phys_to_pfn(S5P_PA_VIC1),
87 .virtual = (unsigned long)S3C_VA_TIMER,
88 .pfn = __phys_to_pfn(S5P_PA_TIMER),
92 .virtual = (unsigned long)S5P_VA_GPIO,
93 .pfn = __phys_to_pfn(S5P_PA_GPIO),
99 /* read cpu identification code */
101 void __init s5p_init_io(struct map_desc *mach_desc,
102 int size, void __iomem *cpuid_addr)
104 unsigned long idcode;
106 /* initialize the io descriptors we need for initialization */
107 iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
109 iotable_init(mach_desc, size);
111 idcode = __raw_readl(cpuid_addr);
112 s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));