LXR linux/arch/powerpc/platforms/44x/ebony.c

   1/*
   2 * Ebony board specific routines
   3 *
   4 * Matt Porter <mporter@kernel.crashing.org>
   5 * Copyright 2002-2005 MontaVista Software Inc.
   6 *
   7 * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
   8 * Copyright (c) 2003-2005 Zultys Technologies
   9 *
  10 * Rewritten and ported to the merged powerpc tree:
  11 * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
  12 *
  13 * This program is free software; you can redistribute  it and/or modify it
  14 * under  the terms of  the GNU General  Public License as published by the
  15 * Free Software Foundation;  either version 2 of the  License, or (at your
  16 * option) any later version.
  17 */
  18
  19#include <linux/init.h>
  20#include <linux/of_platform.h>
  21#include <linux/rtc.h>
  22
  23#include <asm/machdep.h>
  24#include <asm/prom.h>
  25#include <asm/udbg.h>
  26#include <asm/time.h>
  27#include <asm/uic.h>
  28#include <asm/pci-bridge.h>
  29#include <asm/ppc4xx.h>
  30
  31static __initdata struct of_device_id ebony_of_bus[] = {
  32        { .compatible = "ibm,plb4", },
  33        { .compatible = "ibm,opb", },
  34        { .compatible = "ibm,ebc", },
  35        {},
  36};
  37
  38static int __init ebony_device_probe(void)
  39{
  40        of_platform_bus_probe(NULL, ebony_of_bus, NULL);
  41        of_instantiate_rtc();
  42
  43        return 0;
  44}
  45machine_device_initcall(ebony, ebony_device_probe);
  46
  47/*
  48 * Called very early, MMU is off, device-tree isn't unflattened
  49 */
  50static int __init ebony_probe(void)
  51{
  52        unsigned long root = of_get_flat_dt_root();
  53
  54        if (!of_flat_dt_is_compatible(root, "ibm,ebony"))
  55                return 0;
  56
  57        pci_set_flags(PCI_REASSIGN_ALL_RSRC);
  58
  59        return 1;
  60}
  61
  62define_machine(ebony) {
  63        .name                   = "Ebony",
  64        .probe                  = ebony_probe,
  65        .progress               = udbg_progress,
  66        .init_IRQ               = uic_init_tree,
  67        .get_irq                = uic_get_irq,
  68        .restart                = ppc4xx_reset_system,
  69        .calibrate_decr         = generic_calibrate_decr,
  70};
  71