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kernel/linux-rt-4.4.41/arch/powerpc/platforms/512x/mpc5121_ads.c 1.68 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
   *
   * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
   *
   * Description:
   * MPC5121 ADS board setup
   *
   * This is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/io.h>
  #include <linux/of_platform.h>
  
  #include <asm/machdep.h>
  #include <asm/ipic.h>
  #include <asm/prom.h>
  #include <asm/time.h>
  
  #include <sysdev/fsl_pci.h>
  
  #include "mpc512x.h"
  #include "mpc5121_ads.h"
  
  static void __init mpc5121_ads_setup_arch(void)
  {
  #ifdef CONFIG_PCI
  	struct device_node *np;
  #endif
  	printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor
  ");
  	/*
  	 * cpld regs are needed early
  	 */
  	mpc5121_ads_cpld_map();
  
  #ifdef CONFIG_PCI
  	for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
  		mpc83xx_add_bridge(np);
  #endif
  
  	mpc512x_setup_arch();
  }
  
  static void __init mpc5121_ads_init_IRQ(void)
  {
  	mpc512x_init_IRQ();
  	mpc5121_ads_cpld_pic_init();
  }
  
  /*
   * Called very early, MMU is off, device-tree isn't unflattened
   */
  static int __init mpc5121_ads_probe(void)
  {
  	unsigned long root = of_get_flat_dt_root();
  
  	return of_flat_dt_is_compatible(root, "fsl,mpc5121ads");
  }
  
  define_machine(mpc5121_ads) {
  	.name			= "MPC5121 ADS",
  	.probe			= mpc5121_ads_probe,
  	.setup_arch		= mpc5121_ads_setup_arch,
  	.init			= mpc512x_init,
  	.init_early		= mpc512x_init_early,
  	.init_IRQ		= mpc5121_ads_init_IRQ,
  	.get_irq		= ipic_get_irq,
  	.calibrate_decr		= generic_calibrate_decr,
  	.restart		= mpc512x_restart,
  };