Logo Search packages:      
Sourcecode: linux version File versions

mpc837x_rdb.c

/*
 * arch/powerpc/platforms/83xx/mpc837x_rdb.c
 *
 * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved.
 *
 * MPC837x RDB board specific routines
 *
 * 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 <linux/of_platform.h>

#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <sysdev/fsl_pci.h>

#include "mpc83xx.h"

extern int mpc837x_usb_cfg(void);

/* ************************************************************************
 *
 * Setup the architecture
 *
 */
static void __init mpc837x_rdb_setup_arch(void)
{
#ifdef CONFIG_PCI
      struct device_node *np;
#endif

      if (ppc_md.progress)
            ppc_md.progress("mpc837x_rdb_setup_arch()", 0);

#ifdef CONFIG_PCI
      for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
            mpc83xx_add_bridge(np);
#endif
      mpc837x_usb_cfg();
}

static struct of_device_id mpc837x_ids[] = {
      { .type = "soc", },
      { .compatible = "soc", },
      { .compatible = "simple-bus", },
      {},
};

static int __init mpc837x_declare_of_platform_devices(void)
{
      /* Publish of_device */
      of_platform_bus_probe(NULL, mpc837x_ids, NULL);

      return 0;
}
machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);

static void __init mpc837x_rdb_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();
}

/*
 * Called very early, MMU is off, device-tree isn't unflattened
 */
static int __init mpc837x_rdb_probe(void)
{
      unsigned long root = of_get_flat_dt_root();

      return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
             of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
             of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");
}

define_machine(mpc837x_rdb) {
      .name             = "MPC837x RDB",
      .probe                  = mpc837x_rdb_probe,
      .setup_arch       = mpc837x_rdb_setup_arch,
      .init_IRQ         = mpc837x_rdb_init_IRQ,
      .get_irq          = ipic_get_irq,
      .restart          = mpc83xx_restart,
      .time_init        = mpc83xx_time_init,
      .calibrate_decr         = generic_calibrate_decr,
      .progress         = udbg_progress,
};

Generated by  Doxygen 1.6.0   Back to index