1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Ebony board specific routines
4 *
5 * Matt Porter <mporter@kernel.crashing.org>
6 * Copyright 2002-2005 MontaVista Software Inc.
7 *
8 * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
9 * Copyright (c) 2003-2005 Zultys Technologies
10 *
11 * Rewritten and ported to the merged powerpc tree:
12 * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
13 */
14
15#include <linux/init.h>
16#include <linux/of_platform.h>
17#include <linux/rtc.h>
18
19#include <asm/machdep.h>
20#include <asm/prom.h>
21#include <asm/udbg.h>
22#include <asm/time.h>
23#include <asm/uic.h>
24#include <asm/pci-bridge.h>
25#include <asm/ppc4xx.h>
26
27static const struct of_device_id ebony_of_bus[] __initconst = {
28	{ .compatible = "ibm,plb4", },
29	{ .compatible = "ibm,opb", },
30	{ .compatible = "ibm,ebc", },
31	{},
32};
33
34static int __init ebony_device_probe(void)
35{
36	of_platform_bus_probe(NULL, ebony_of_bus, NULL);
37	of_instantiate_rtc();
38
39	return 0;
40}
41machine_device_initcall(ebony, ebony_device_probe);
42
43/*
44 * Called very early, MMU is off, device-tree isn't unflattened
45 */
46static int __init ebony_probe(void)
47{
48	if (!of_machine_is_compatible("ibm,ebony"))
49		return 0;
50
51	pci_set_flags(PCI_REASSIGN_ALL_RSRC);
52
53	return 1;
54}
55
56define_machine(ebony) {
57	.name			= "Ebony",
58	.probe			= ebony_probe,
59	.progress		= udbg_progress,
60	.init_IRQ		= uic_init_tree,
61	.get_irq		= uic_get_irq,
62	.restart		= ppc4xx_reset_system,
63	.calibrate_decr		= generic_calibrate_decr,
64};
65