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mpc836x_rdk.c

/*
 * MPC8360E-RDK board file.
 *
 * Copyright (c) 2006  Freescale Semicondutor, Inc.
 * Copyright (c) 2007-2008  MontaVista Software, Inc.
 *
 * Author: Anton Vorontsov <avorontsov@ru.mvista.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/kernel.h>
#include <linux/pci.h>
#include <linux/of_platform.h>
#include <linux/io.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <asm/qe.h>
#include <asm/qe_ic.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>

#include "mpc83xx.h"

static struct of_device_id __initdata mpc836x_rdk_ids[] = {
      { .compatible = "simple-bus", },
      {},
};

static int __init mpc836x_rdk_declare_of_platform_devices(void)
{
      return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
}
machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);

static void __init mpc836x_rdk_setup_arch(void)
{
#ifdef CONFIG_PCI
      struct device_node *np;
#endif

      if (ppc_md.progress)
            ppc_md.progress("mpc836x_rdk_setup_arch()", 0);

#ifdef CONFIG_PCI
      for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
            mpc83xx_add_bridge(np);
#endif

      qe_reset();
}

static void __init mpc836x_rdk_init_IRQ(void)
{
      struct device_node *np;

      np = of_find_compatible_node(NULL, NULL, "fsl,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);

      np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
      if (!np)
            return;

      qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
      of_node_put(np);
}

/*
 * Called very early, MMU is off, device-tree isn't unflattened.
 */
static int __init mpc836x_rdk_probe(void)
{
      unsigned long root = of_get_flat_dt_root();

      return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
}

define_machine(mpc836x_rdk) {
      .name       = "MPC836x RDK",
      .probe            = mpc836x_rdk_probe,
      .setup_arch = mpc836x_rdk_setup_arch,
      .init_IRQ   = mpc836x_rdk_init_IRQ,
      .get_irq    = ipic_get_irq,
      .restart    = mpc83xx_restart,
      .time_init  = mpc83xx_time_init,
      .calibrate_decr   = generic_calibrate_decr,
      .progress   = udbg_progress,
};

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