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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/powerpc/platforms/83xx/mpc836x_rdk.c
10819 views
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/*

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 * MPC8360E-RDK board file.

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 *

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 * Copyright (c) 2006  Freescale Semicondutor, Inc.

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 * Copyright (c) 2007-2008  MontaVista Software, Inc.

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 *

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 * Author: Anton Vorontsov <[email protected]>

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 *

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 * This program is free software; you can redistribute it and/or modify it

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 * under  the terms of  the GNU General  Public License as published by the

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 * Free Software Foundation;  either version 2 of the  License, or (at your

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 * option) any later version.

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 */

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#include <linux/kernel.h>

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#include <linux/pci.h>

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#include <linux/of_platform.h>

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#include <linux/io.h>

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#include <asm/prom.h>

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#include <asm/time.h>

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#include <asm/ipic.h>

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#include <asm/udbg.h>

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#include <asm/qe.h>

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#include <asm/qe_ic.h>

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#include <sysdev/fsl_soc.h>

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#include <sysdev/fsl_pci.h>

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#include "mpc83xx.h"

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static struct of_device_id __initdata mpc836x_rdk_ids[] = {

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	{ .compatible = "simple-bus", },

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	{},

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};

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static int __init mpc836x_rdk_declare_of_platform_devices(void)

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{

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	return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);

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}

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machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);

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static void __init mpc836x_rdk_setup_arch(void)

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{

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#ifdef CONFIG_PCI

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	struct device_node *np;

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#endif

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	if (ppc_md.progress)

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

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#ifdef CONFIG_PCI

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	for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")

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		mpc83xx_add_bridge(np);

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#endif

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#ifdef CONFIG_QUICC_ENGINE

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	qe_reset();

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#endif

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}

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static void __init mpc836x_rdk_init_IRQ(void)

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{

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	struct device_node *np;

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

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	if (!np)

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		return;

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	ipic_init(np, 0);

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	/*

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	 * Initialize the default interrupt mapping priorities,

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	 * in case the boot rom changed something on us.

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	 */

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	ipic_set_default_priority();

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	of_node_put(np);

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#ifdef CONFIG_QUICC_ENGINE

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

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	if (!np)

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		return;

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	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);

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	of_node_put(np);

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#endif

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}

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/*

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 * Called very early, MMU is off, device-tree isn't unflattened.

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 */

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static int __init mpc836x_rdk_probe(void)

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{

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	unsigned long root = of_get_flat_dt_root();

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

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}

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define_machine(mpc836x_rdk) {

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	.name		= "MPC836x RDK",

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	.probe		= mpc836x_rdk_probe,

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	.setup_arch	= mpc836x_rdk_setup_arch,

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	.init_IRQ	= mpc836x_rdk_init_IRQ,

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	.get_irq	= ipic_get_irq,

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	.restart	= mpc83xx_restart,

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	.time_init	= mpc83xx_time_init,

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	.calibrate_decr	= generic_calibrate_decr,

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	.progress	= udbg_progress,

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};

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