kernel_xiaomi_lancelot/arch/powerpc/platforms/44x/fsp2.c

/*
 * FSP-2 board specific routines
 *
 * Based on earlier code:
 *    Matt Porter <mporter@kernel.crashing.org>
 *    Copyright 2002-2005 MontaVista Software Inc.
 *
 *    Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
 *    Copyright (c) 2003-2005 Zultys Technologies
 *
 *    Rewritten and ported to the merged powerpc tree:
 *    Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
 *
 * 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/init.h>
#include <linux/of_platform.h>
#include <linux/rtc.h>

#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
#include <asm/ppc4xx.h>

static __initdata struct of_device_id fsp2_of_bus[] = {
	{ .compatible = "ibm,plb4", },
	{ .compatible = "ibm,plb6", },
	{ .compatible = "ibm,opb", },
	{},
};

static int __init fsp2_device_probe(void)
{
	of_platform_bus_probe(NULL, fsp2_of_bus, NULL);
	return 0;
}
machine_device_initcall(fsp2, fsp2_device_probe);

static int __init fsp2_probe(void)
{
	unsigned long root = of_get_flat_dt_root();

	if (!of_flat_dt_is_compatible(root, "ibm,fsp2"))
		return 0;
	return 1;
}

define_machine(fsp2) {
	.name			= "FSP-2",
	.probe			= fsp2_probe,
	.progress		= udbg_progress,
	.init_IRQ		= uic_init_tree,
	.get_irq		= uic_get_irq,
	.restart		= ppc4xx_reset_system,
	.calibrate_decr		= generic_calibrate_decr,
};