Merge branch 'drm-patches' of ssh://master.kernel.org/pub/scm/linux/kernel/git/airlie...
[linux-2.6] / arch / powerpc / platforms / 83xx / mpc8313_rdb.c
1 /*
2  * arch/powerpc/platforms/83xx/mpc8313_rdb.c
3  *
4  * Description: MPC8313x RDB board specific routines.
5  * This file is based on mpc834x_sys.c
6  * Author: Lo Wlison <r43300@freescale.com>
7  *
8  * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15
16 #include <linux/pci.h>
17
18 #include <asm/time.h>
19 #include <asm/ipic.h>
20 #include <asm/udbg.h>
21
22 #include "mpc83xx.h"
23
24 #undef DEBUG
25 #ifdef DEBUG
26 #define DBG(fmt...) udbg_printf(fmt)
27 #else
28 #define DBG(fmt...)
29 #endif
30
31 /* ************************************************************************
32  *
33  * Setup the architecture
34  *
35  */
36 static void __init mpc8313_rdb_setup_arch(void)
37 {
38 #ifdef CONFIG_PCI
39         struct device_node *np;
40 #endif
41
42         if (ppc_md.progress)
43                 ppc_md.progress("mpc8313_rdb_setup_arch()", 0);
44
45 #ifdef CONFIG_PCI
46         for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
47                 mpc83xx_add_bridge(np);
48
49         ppc_md.pci_exclude_device = mpc83xx_exclude_device;
50 #endif
51         mpc831x_usb_cfg();
52 }
53
54 void __init mpc8313_rdb_init_IRQ(void)
55 {
56         struct device_node *np;
57
58         np = of_find_node_by_type(NULL, "ipic");
59         if (!np)
60                 return;
61
62         ipic_init(np, 0);
63
64         /* Initialize the default interrupt mapping priorities,
65          * in case the boot rom changed something on us.
66          */
67         ipic_set_default_priority();
68 }
69
70 /*
71  * Called very early, MMU is off, device-tree isn't unflattened
72  */
73 static int __init mpc8313_rdb_probe(void)
74 {
75         unsigned long root = of_get_flat_dt_root();
76
77         return of_flat_dt_is_compatible(root, "MPC8313ERDB");
78 }
79
80 define_machine(mpc8313_rdb) {
81         .name                   = "MPC8313 RDB",
82         .probe                  = mpc8313_rdb_probe,
83         .setup_arch             = mpc8313_rdb_setup_arch,
84         .init_IRQ               = mpc8313_rdb_init_IRQ,
85         .get_irq                = ipic_get_irq,
86         .restart                = mpc83xx_restart,
87         .time_init              = mpc83xx_time_init,
88         .calibrate_decr         = generic_calibrate_decr,
89         .progress               = udbg_progress,
90 };