LXR linux/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
  45static struct map_desc s5pc100_iodesc[] __initdata = {
  46};
  47
  48/* s5pc100_map_io
  49 *
  50 * register the standard cpu IO areas
  51*/
  52
  53void __init s5pc100_map_io(void)
  54{
  55        iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
  56
  57        /* initialise device information early */
  58}
  59
  60void __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
  69void __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
  77struct sysdev_class s5pc100_sysclass = {
  78        .name   = "s5pc100-core",
  79};
  80
  81static struct sys_device s5pc100_sysdev = {
  82        .cls    = &s5pc100_sysclass,
  83};
  84
  85static int __init s5pc100_core_init(void)
  86{
  87        return sysdev_class_register(&s5pc100_sysclass);
  88}
  89
  90core_initcall(s5pc100_core_init);
  91
  92int __init s5pc100_init(void)
  93{
  94        printk(KERN_DEBUG "S5PC100: Initialising architecture\n");
  95
  96        return sysdev_register(&s5pc100_sysdev);
  97}
  98