arch/arm/mach-s5pc100/cpu.c

   1 /* linux/arch/arm/mach-s5pc100/cpu.c
   2  *
   3  * Copyright 2009 Samsung Electronics Co.
   4  *      Byungho Min <bhmin@samsung.com>
   5  *
   6  * Based on mach-s3c6410/cpu.c
   7  *
   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.
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/list.h>
  17 #include <linux/timer.h>
  18 #include <linux/init.h>
  19 #include <linux/clk.h>
  20 #include <linux/io.h>
  21 #include <linux/sysdev.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/platform_device.h>
  24
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/mach/irq.h>
  28
  29 #include <mach/hardware.h>
  30 #include <mach/map.h>
  31 #include <asm/irq.h>
  32
  33 #include <plat/cpu-freq.h>
  34 #include <plat/regs-serial.h>
  35
  36 #include <plat/cpu.h>
  37 #include <plat/devs.h>
  38 #include <plat/clock.h>
  39 #include <plat/sdhci.h>
  40 #include <plat/iic-core.h>
  41 #include <plat/s5pc100.h>
  42
  43 /* Initial IO mappings */
  44
  45 static struct map_desc s5pc100_iodesc[] __initdata = {
  46 };
  47
  48 /* s5pc100_map_io
  49  *
  50  * register the standard cpu IO areas
  51 */
  52
  53 void __init s5pc100_map_io(void)
  54 {
  55         iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
  56
  57         /* initialise device information early */
  58 }
  59
  60 void __init s5pc100_init_clocks(int xtal)
  61 {
  62         printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
  63         s3c24xx_register_baseclocks(xtal);
  64         s5pc1xx_register_clocks();
  65         s5pc100_register_clocks();
  66         s5pc100_setup_clocks();
  67 }
  68
  69 void __init s5pc100_init_irq(void)
  70 {
  71         u32 vic_valid[] = {~0, ~0, ~0};
  72
  73         /* VIC0, VIC1, and VIC2 are fully populated. */
  74         s5pc1xx_init_irq(vic_valid, ARRAY_SIZE(vic_valid));
  75 }
  76
  77 struct sysdev_class s5pc100_sysclass = {
  78         .name   = "s5pc100-core",
  79 };
  80
  81 static struct sys_device s5pc100_sysdev = {
  82         .cls    = &s5pc100_sysclass,
  83 };
  84
  85 static int __init s5pc100_core_init(void)
  86 {
  87         return sysdev_class_register(&s5pc100_sysclass);
  88 }
  89
  90 core_initcall(s5pc100_core_init);
  91
  92 int __init s5pc100_init(void)
  93 {
  94         printk(KERN_DEBUG "S5PC100: Initialising architecture\n");
  95
  96         return sysdev_register(&s5pc100_sysdev);
  97 }