1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Architecture- / platform-specific boot-time initialization code for
* IBM PowerPC 4xx based boards. Adapted from original
* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
* <dan@net4x.com>.
*
* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
*
* Rewritten and ported to the merged powerpc tree:
* Copyright 2007 IBM Corporation
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/init.h>
#include <linux/of_platform.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
static struct of_device_id walnut_of_bus[] = {
{ .compatible = "ibm,plb3", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{},
};
static int __init walnut_device_probe(void)
{
if (!machine_is(walnut))
return 0;
/* FIXME: do bus probe here */
of_platform_bus_probe(NULL, walnut_of_bus, NULL);
return 0;
}
device_initcall(walnut_device_probe);
static int __init walnut_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
return 0;
return 1;
}
define_machine(walnut) {
.name = "Walnut",
.probe = walnut_probe,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.calibrate_decr = generic_calibrate_decr,
};
|
