arch/arm/mach-s3c64xx/s3c6400.c

   1 /* linux/arch/arm/mach-s3c64xx/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/device.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 <mach/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/onenand-core.h>
  41
  42 #include "common.h"
  43
  44 void __init s3c6400_map_io(void)
  45 {
  46         /* setup SDHCI */
  47
  48         s3c6400_default_sdhci0();
  49         s3c6400_default_sdhci1();
  50         s3c6400_default_sdhci2();
  51
  52         /* the i2c devices are directly compatible with s3c2440 */
  53         s3c_i2c0_setname("s3c2440-i2c");
  54
  55         s3c_device_nand.name = "s3c6400-nand";
  56
  57         s3c_onenand_setname("s3c6400-onenand");
  58         s3c64xx_onenand1_setname("s3c6400-onenand");
  59 }
  60
  61 void __init s3c6400_init_clocks(int xtal)
  62 {
  63         s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK);
  64         s3c64xx_setup_clocks();
  65 }
  66
  67 void __init s3c6400_init_irq(void)
  68 {
  69         /* VIC0 does not have IRQS 5..7,
  70          * VIC1 is fully populated. */
  71         s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  72 }
  73
  74 static struct bus_type s3c6400_subsys = {
  75         .name           = "s3c6400-core",
  76         .dev_name       = "s3c6400-core",
  77 };
  78
  79 static struct device s3c6400_dev = {
  80         .bus    = &s3c6400_subsys,
  81 };
  82
  83 static int __init s3c6400_core_init(void)
  84 {
  85         return subsys_system_register(&s3c6400_subsys, NULL);
  86 }
  87
  88 core_initcall(s3c6400_core_init);
  89
  90 int __init s3c6400_init(void)
  91 {
  92         printk("S3C6400: Initialising architecture\n");
  93
  94         return device_register(&s3c6400_dev);
  95 }