original_kernel/arch/powerpc/platforms/83xx/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,
};