arch/arm/mach-s3c6400/s3c6400.c

   1 /* linux/arch/arm/mach-s3c6410/cpu.c
   2  *
   3  * Copyright 2009 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      http://armlinux.simtec.co.uk/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/list.h>
  16 #include <linux/timer.h>
  17 #include <linux/init.h>
  18 #include <linux/clk.h>
  19 #include <linux/io.h>
  20 #include <linux/sysdev.h>
  21 #include <linux/serial_core.h>
  22 #include <linux/platform_device.h>
  23
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26 #include <asm/mach/irq.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/irq.h>
  30
  31 #include <plat/cpu-freq.h>
  32 #include <plat/regs-serial.h>
  33 #include <plat/regs-clock.h>
  34
  35 #include <plat/cpu.h>
  36 #include <plat/devs.h>
  37 #include <plat/clock.h>
  38 #include <plat/sdhci.h>
  39 #include <plat/iic-core.h>
  40 #include <plat/s3c6400.h>
  41
  42 void __init s3c6400_map_io(void)
  43 {
  44         /* setup SDHCI */
  45
  46         s3c6400_default_sdhci0();
  47         s3c6400_default_sdhci1();
  48
  49         /* the i2c devices are directly compatible with s3c2440 */
  50         s3c_i2c0_setname("s3c2440-i2c");
  51 }
  52
  53 void __init s3c6400_init_clocks(int xtal)
  54 {
  55         printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
  56         s3c24xx_register_baseclocks(xtal);
  57         s3c64xx_register_clocks();
  58         s3c6400_register_clocks(S3C6400_CLKDIV0_ARM_MASK);
  59         s3c6400_setup_clocks();
  60 }
  61
  62 void __init s3c6400_init_irq(void)
  63 {
  64         /* VIC0 does not have IRQS 5..7,
  65          * VIC1 is fully populated. */
  66         s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  67 }
  68
  69 struct sysdev_class s3c6400_sysclass = {
  70         .name   = "s3c6400-core",
  71 };
  72
  73 static struct sys_device s3c6400_sysdev = {
  74         .cls    = &s3c6400_sysclass,
  75 };
  76
  77 static int __init s3c6400_core_init(void)
  78 {
  79         return sysdev_class_register(&s3c6400_sysclass);
  80 }
  81
  82 core_initcall(s3c6400_core_init);
  83
  84 int __init s3c6400_init(void)
  85 {
  86         printk("S3C6400: Initialising architecture\n");
  87
  88         return sysdev_register(&s3c6400_sysdev);
  89 }