ebony.c

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/*
 * Ebony board specific routines
 *
 * Matt Porter <[email protected]>
 * Copyright 2002-2005 MontaVista Software Inc.
 *
 * Eugene Surovegin <[email protected]> or <[email protected]>
 * Copyright (c) 2003-2005 Zultys Technologies
 *
 * Rewritten and ported to the merged powerpc tree:
 * Copyright 2007 David Gibson <[email protected]>, 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/pci-bridge.h>
#include <asm/ppc4xx.h>

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

static int __init ebony_device_probe(void)
{
    of_platform_bus_probe(NULL, ebony_of_bus, NULL);
    of_instantiate_rtc();

    return 0;
}
machine_device_initcall(ebony, ebony_device_probe);

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

    if (!of_flat_dt_is_compatible(root, "ibm,ebony"))
        return 0;

    pci_set_flags(PCI_REASSIGN_ALL_RSRC);

    return 1;
}

define_machine(ebony) {
    .name           = "Ebony",
    .probe          = ebony_probe,
    .progress       = udbg_progress,
    .init_IRQ       = uic_init_tree,
    .get_irq        = uic_get_irq,
    .restart        = ppc4xx_reset_system,
    .calibrate_decr     = generic_calibrate_decr,
};