1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Ebony board specific routines
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Matt Porter <mporter@kernel.crashing.org>
6*4882a593Smuzhiyun * Copyright 2002-2005 MontaVista Software Inc.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
9*4882a593Smuzhiyun * Copyright (c) 2003-2005 Zultys Technologies
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * Rewritten and ported to the merged powerpc tree:
12*4882a593Smuzhiyun * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/init.h>
16*4882a593Smuzhiyun #include <linux/of_platform.h>
17*4882a593Smuzhiyun #include <linux/rtc.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <asm/machdep.h>
20*4882a593Smuzhiyun #include <asm/prom.h>
21*4882a593Smuzhiyun #include <asm/udbg.h>
22*4882a593Smuzhiyun #include <asm/time.h>
23*4882a593Smuzhiyun #include <asm/uic.h>
24*4882a593Smuzhiyun #include <asm/pci-bridge.h>
25*4882a593Smuzhiyun #include <asm/ppc4xx.h>
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static const struct of_device_id ebony_of_bus[] __initconst = {
28*4882a593Smuzhiyun { .compatible = "ibm,plb4", },
29*4882a593Smuzhiyun { .compatible = "ibm,opb", },
30*4882a593Smuzhiyun { .compatible = "ibm,ebc", },
31*4882a593Smuzhiyun {},
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
ebony_device_probe(void)34*4882a593Smuzhiyun static int __init ebony_device_probe(void)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun of_platform_bus_probe(NULL, ebony_of_bus, NULL);
37*4882a593Smuzhiyun of_instantiate_rtc();
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun machine_device_initcall(ebony, ebony_device_probe);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /*
44*4882a593Smuzhiyun * Called very early, MMU is off, device-tree isn't unflattened
45*4882a593Smuzhiyun */
ebony_probe(void)46*4882a593Smuzhiyun static int __init ebony_probe(void)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun if (!of_machine_is_compatible("ibm,ebony"))
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun pci_set_flags(PCI_REASSIGN_ALL_RSRC);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun return 1;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
define_machine(ebony)56*4882a593Smuzhiyun define_machine(ebony) {
57*4882a593Smuzhiyun .name = "Ebony",
58*4882a593Smuzhiyun .probe = ebony_probe,
59*4882a593Smuzhiyun .progress = udbg_progress,
60*4882a593Smuzhiyun .init_IRQ = uic_init_tree,
61*4882a593Smuzhiyun .get_irq = uic_get_irq,
62*4882a593Smuzhiyun .restart = ppc4xx_reset_system,
63*4882a593Smuzhiyun .calibrate_decr = generic_calibrate_decr,
64*4882a593Smuzhiyun };
65