Merge branches 'x86/apic', 'x86/cleanups', 'x86/cpufeature', 'x86/crashdump', 'x86...
[linux-2.6] / arch / powerpc / platforms / 40x / hcu4.c
1 /*
2  * Architecture- / platform-specific boot-time initialization code for
3  * IBM PowerPC 4xx based boards. Adapted from original
4  * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
5  * <dan@net4x.com>.
6  *
7  * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
8  *
9  * Rewritten and ported to the merged powerpc tree:
10  * Copyright 2007 IBM Corporation
11  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
12  *
13  * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
14  * the terms of the GNU General Public License version 2.  This program
15  * is licensed "as is" without any warranty of any kind, whether express
16  * or implied.
17  */
18
19 #include <linux/init.h>
20 #include <linux/of_platform.h>
21
22 #include <asm/machdep.h>
23 #include <asm/prom.h>
24 #include <asm/udbg.h>
25 #include <asm/time.h>
26 #include <asm/uic.h>
27 #include <asm/ppc4xx.h>
28
29 static __initdata struct of_device_id hcu4_of_bus[] = {
30         { .compatible = "ibm,plb3", },
31         { .compatible = "ibm,opb", },
32         { .compatible = "ibm,ebc", },
33         {},
34 };
35
36 static int __init hcu4_device_probe(void)
37 {
38         of_platform_bus_probe(NULL, hcu4_of_bus, NULL);
39         return 0;
40 }
41 machine_device_initcall(hcu4, hcu4_device_probe);
42
43 static int __init hcu4_probe(void)
44 {
45         unsigned long root = of_get_flat_dt_root();
46
47         if (!of_flat_dt_is_compatible(root, "netstal,hcu4"))
48                 return 0;
49
50         return 1;
51 }
52
53 define_machine(hcu4) {
54         .name                   = "HCU4",
55         .probe                  = hcu4_probe,
56         .progress               = udbg_progress,
57         .init_IRQ               = uic_init_tree,
58         .get_irq                = uic_get_irq,
59         .restart                = ppc4xx_reset_system,
60         .calibrate_decr         = generic_calibrate_decr,
61 };