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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/powerpc/platforms/83xx/mpc831x_rdb.c
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/*

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 * arch/powerpc/platforms/83xx/mpc831x_rdb.c

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 *

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 * Description: MPC831x RDB board specific routines.

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 * This file is based on mpc834x_sys.c

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 * Author: Lo Wlison <[email protected]>

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 *

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 * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.

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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/pci.h>

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#include <linux/of_platform.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 <sysdev/fsl_pci.h>

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#include "mpc83xx.h"

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/*

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 * Setup the architecture

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 */

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static void __init mpc831x_rdb_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("mpc831x_rdb_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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	for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")

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		mpc83xx_add_bridge(np);

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#endif

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	mpc831x_usb_cfg();

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}

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static void __init mpc831x_rdb_init_IRQ(void)

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{

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	struct device_node *np;

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	np = of_find_node_by_type(NULL, "ipic");

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	if (!np)

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		return;

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	ipic_init(np, 0);

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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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}

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static const char *board[] __initdata = {

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	"MPC8313ERDB",

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	"fsl,mpc8315erdb",

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	NULL

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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 mpc831x_rdb_probe(void)

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{

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	return of_flat_dt_match(of_get_flat_dt_root(), board);

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}

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static struct of_device_id __initdata of_bus_ids[] = {

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	{ .compatible = "simple-bus" },

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	{ .compatible = "gianfar" },

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	{ .compatible = "gpio-leds", },

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	{},

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};

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static int __init declare_of_platform_devices(void)

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{

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	of_platform_bus_probe(NULL, of_bus_ids, NULL);

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	return 0;

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}

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machine_device_initcall(mpc831x_rdb, declare_of_platform_devices);

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define_machine(mpc831x_rdb) {

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	.name			= "MPC831x RDB",

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	.probe			= mpc831x_rdb_probe,

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	.setup_arch		= mpc831x_rdb_setup_arch,

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	.init_IRQ		= mpc831x_rdb_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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