Merge git://git.infradead.org/mtd-2.6
[pandora-kernel.git] / 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 <asm/machdep.h>
21 #include <asm/prom.h>
22 #include <asm/udbg.h>
23 #include <asm/time.h>
24 #include <asm/uic.h>
25 #include <asm/of_platform.h>
26
27 #include "44x.h"
28
29 static struct of_device_id ebony_of_bus[] = {
30         { .compatible = "ibm,plb4", },
31         { .compatible = "ibm,opb", },
32         { .compatible = "ibm,ebc", },
33         {},
34 };
35
36 static int __init ebony_device_probe(void)
37 {
38         if (!machine_is(ebony))
39                 return 0;
40
41         of_platform_bus_probe(NULL, ebony_of_bus, NULL);
42
43         return 0;
44 }
45 device_initcall(ebony_device_probe);
46
47 /*
48  * Called very early, MMU is off, device-tree isn't unflattened
49  */
50 static 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         return 1;
58 }
59
60 static void __init ebony_setup_arch(void)
61 {
62 }
63
64 define_machine(ebony) {
65         .name                   = "Ebony",
66         .probe                  = ebony_probe,
67         .setup_arch             = ebony_setup_arch,
68         .progress               = udbg_progress,
69         .init_IRQ               = uic_init_tree,
70         .get_irq                = uic_get_irq,
71         .restart                = ppc44x_reset_system,
72         .calibrate_decr         = generic_calibrate_decr,
73 };