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kernel/linux-rt-4.4.41/arch/powerpc/platforms/83xx/sbc834x.c 1.9 KB
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  /*
   * arch/powerpc/platforms/83xx/sbc834x.c
   *
   * Wind River SBC834x board specific routines
   *
   * By Paul Gortmaker (see MAINTAINERS for contact information)
   *
   * Based largely on the mpc834x_mds.c support by Kumar Gala.
   *
   * This program 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/stddef.h>
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/errno.h>
  #include <linux/reboot.h>
  #include <linux/pci.h>
  #include <linux/kdev_t.h>
  #include <linux/major.h>
  #include <linux/console.h>
  #include <linux/delay.h>
  #include <linux/seq_file.h>
  #include <linux/root_dev.h>
  #include <linux/of_platform.h>
  
  #include <linux/atomic.h>
  #include <asm/time.h>
  #include <asm/io.h>
  #include <asm/machdep.h>
  #include <asm/ipic.h>
  #include <asm/irq.h>
  #include <asm/prom.h>
  #include <asm/udbg.h>
  #include <sysdev/fsl_soc.h>
  #include <sysdev/fsl_pci.h>
  
  #include "mpc83xx.h"
  
  /* ************************************************************************
   *
   * Setup the architecture
   *
   */
  static void __init sbc834x_setup_arch(void)
  {
  	if (ppc_md.progress)
  		ppc_md.progress("sbc834x_setup_arch()", 0);
  
  	mpc83xx_setup_pci();
  }
  
  machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices);
  
  /*
   * Called very early, MMU is off, device-tree isn't unflattened
   */
  static int __init sbc834x_probe(void)
  {
  	unsigned long root = of_get_flat_dt_root();
  
  	return of_flat_dt_is_compatible(root, "SBC834xE");
  }
  
  define_machine(sbc834x) {
  	.name			= "SBC834xE",
  	.probe			= sbc834x_probe,
  	.setup_arch		= sbc834x_setup_arch,
  	.init_IRQ		= mpc83xx_ipic_init_IRQ,
  	.get_irq		= ipic_get_irq,
  	.restart		= mpc83xx_restart,
  	.time_init		= mpc83xx_time_init,
  	.calibrate_decr		= generic_calibrate_decr,
  	.progress		= udbg_progress,
  };