text: /*
   * arch/powerpc/platforms/83xx/mpc832x_rdb.c
   *
   * Copyright (C) Freescale Semiconductor, Inc. 2007. All rights reserved.
   *
   * Description:
   * MPC832x RDB board specific routines.
   * This file is based on mpc832x_mds.c and mpc8313_rdb.c
   * Author: Michael Barkowski <michael.barkowski@freescale.com>
   *
   * 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/pci.h>
  
  #include <asm/of_platform.h>
  #include <asm/time.h>
  #include <asm/ipic.h>
  #include <asm/udbg.h>
  #include <asm/qe.h>
  #include <asm/qe_ic.h>
  
  #include "mpc83xx.h"
  
  #undef DEBUG
  #ifdef DEBUG
  #define DBG(fmt...) udbg_printf(fmt)
  #else
  #define DBG(fmt...)
  #endif
  
  #ifndef CONFIG_PCI
  unsigned long isa_io_base = 0;
  unsigned long isa_mem_base = 0;
  #endif
  
  /* ************************************************************************
   *
   * Setup the architecture
   *
   */
  static void __init mpc832x_rdb_setup_arch(void)
  {
  #if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE)
  	struct device_node *np;
  #endif
  
  	if (ppc_md.progress)
  		ppc_md.progress("mpc832x_rdb_setup_arch()", 0);
  
  #ifdef CONFIG_PCI
  	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
  		add_bridge(np);
  
  	ppc_md.pci_exclude_device = mpc83xx_exclude_device;
  #endif
  
  #ifdef CONFIG_QUICC_ENGINE
  	qe_reset();
  
  	if ((np = of_find_node_by_name(np, "par_io")) != NULL) {
  		par_io_init(np);
  		of_node_put(np);
  
  		for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
  			par_io_of_config(np);
  	}
  #endif				/* CONFIG_QUICC_ENGINE */
  }
  
  static struct of_device_id mpc832x_ids[] = {
  	{ .type = "soc", },
  	{ .compatible = "soc", },
  	{ .type = "qe", },
  	{},
  };
  
  static int __init mpc832x_declare_of_platform_devices(void)
  {
  	if (!machine_is(mpc832x_rdb))
  		return 0;
  
  	/* Publish the QE devices */
  	of_platform_bus_probe(NULL, mpc832x_ids, NULL);
  
  	return 0;
  }
  device_initcall(mpc832x_declare_of_platform_devices);
  
  void __init mpc832x_rdb_init_IRQ(void)
  {
  
  	struct device_node *np;
  
  	np = of_find_node_by_type(NULL, "ipic");
  	if (!np)
  		return;
  
  	ipic_init(np, 0);
  
  	/* Initialize the default interrupt mapping priorities,
  	 * in case the boot rom changed something on us.
  	 */
  	ipic_set_default_priority();
  	of_node_put(np);
  
  #ifdef CONFIG_QUICC_ENGINE
  	np = of_find_node_by_type(NULL, "qeic");
  	if (!np)
  		return;
  
  	qe_ic_init(np, 0);
  	of_node_put(np);
  #endif				/* CONFIG_QUICC_ENGINE */
  }
  
  /*
   * Called very early, MMU is off, device-tree isn't unflattened
   */
  static int __init mpc832x_rdb_probe(void)
  {
  	unsigned long root = of_get_flat_dt_root();
  
  	return of_flat_dt_is_compatible(root, "MPC832xRDB");
  }
  
  define_machine(mpc832x_rdb) {
  	.name		= "MPC832x RDB",
  	.probe		= mpc832x_rdb_probe,
  	.setup_arch	= mpc832x_rdb_setup_arch,
  	.init_IRQ	= mpc832x_rdb_init_IRQ,
  	.get_irq	= ipic_get_irq,
  	.restart	= mpc83xx_restart,
  	.time_init	= mpc83xx_time_init,
  	.calibrate_decr	= generic_calibrate_decr,
  	.progress	= udbg_progress,
  };
  