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kernel/linux-imx6_3.14.28/arch/arm/mach-s3c64xx/s3c6400.c 2.09 KB
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  /* linux/arch/arm/mach-s3c64xx/cpu.c
   *
   * Copyright 2009 Simtec Electronics
   *	Ben Dooks <ben@simtec.co.uk>
   *	http://armlinux.simtec.co.uk/
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
  */
  
  /*
   * NOTE: Code in this file is not used when booting with Device Tree support.
   */
  
  #include <linux/kernel.h>
  #include <linux/types.h>
  #include <linux/interrupt.h>
  #include <linux/list.h>
  #include <linux/timer.h>
  #include <linux/init.h>
  #include <linux/clk.h>
  #include <linux/io.h>
  #include <linux/device.h>
  #include <linux/serial_core.h>
  #include <linux/platform_device.h>
  #include <linux/of.h>
  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>
  
  #include <mach/hardware.h>
  #include <asm/irq.h>
  
  #include <plat/cpu-freq.h>
  #include <plat/regs-serial.h>
  #include <mach/regs-clock.h>
  
  #include <plat/cpu.h>
  #include <plat/devs.h>
  #include <plat/clock.h>
  #include <plat/sdhci.h>
  #include <plat/iic-core.h>
  #include <plat/onenand-core.h>
  
  #include "common.h"
  
  void __init s3c6400_map_io(void)
  {
  	/* setup SDHCI */
  
  	s3c6400_default_sdhci0();
  	s3c6400_default_sdhci1();
  	s3c6400_default_sdhci2();
  
  	/* the i2c devices are directly compatible with s3c2440 */
  	s3c_i2c0_setname("s3c2440-i2c");
  
  	s3c_device_nand.name = "s3c6400-nand";
  
  	s3c_onenand_setname("s3c6400-onenand");
  	s3c64xx_onenand1_setname("s3c6400-onenand");
  }
  
  void __init s3c6400_init_irq(void)
  {
  	/* VIC0 does not have IRQS 5..7,
  	 * VIC1 is fully populated. */
  	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  }
  
  static struct bus_type s3c6400_subsys = {
  	.name		= "s3c6400-core",
  	.dev_name	= "s3c6400-core",
  };
  
  static struct device s3c6400_dev = {
  	.bus	= &s3c6400_subsys,
  };
  
  static int __init s3c6400_core_init(void)
  {
  	/* Not applicable when using DT. */
  	if (of_have_populated_dt())
  		return 0;
  
  	return subsys_system_register(&s3c6400_subsys, NULL);
  }
  
  core_initcall(s3c6400_core_init);
  
  int __init s3c6400_init(void)
  {
  	printk("S3C6400: Initialising architecture
  ");
  
  	return device_register(&s3c6400_dev);
  }