Merge branches 'release' and 'gpe-ack' into release
[linux-2.6] / arch / powerpc / platforms / 83xx / mpc837x_rdb.c
1 /*
2  * arch/powerpc/platforms/83xx/mpc837x_rdb.c
3  *
4  * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved.
5  *
6  * MPC837x RDB board specific routines
7  *
8  * This program is free software; you can redistribute  it and/or modify it
9  * under  the terms of  the GNU General  Public License as published by the
10  * Free Software Foundation;  either version 2 of the  License, or (at your
11  * option) any later version.
12  */
13
14 #include <linux/pci.h>
15 #include <linux/of_platform.h>
16
17 #include <asm/time.h>
18 #include <asm/ipic.h>
19 #include <asm/udbg.h>
20
21 #include "mpc83xx.h"
22
23 extern int mpc837x_usb_cfg(void);
24
25 /* ************************************************************************
26  *
27  * Setup the architecture
28  *
29  */
30 static void __init mpc837x_rdb_setup_arch(void)
31 {
32 #ifdef CONFIG_PCI
33         struct device_node *np;
34 #endif
35
36         if (ppc_md.progress)
37                 ppc_md.progress("mpc837x_rdb_setup_arch()", 0);
38
39 #ifdef CONFIG_PCI
40         for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
41                 mpc83xx_add_bridge(np);
42 #endif
43         mpc837x_usb_cfg();
44 }
45
46 static struct of_device_id mpc837x_ids[] = {
47         { .type = "soc", },
48         { .compatible = "soc", },
49         {},
50 };
51
52 static int __init mpc837x_declare_of_platform_devices(void)
53 {
54         /* Publish of_device */
55         of_platform_bus_probe(NULL, mpc837x_ids, NULL);
56
57         return 0;
58 }
59 machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);
60
61 static void __init mpc837x_rdb_init_IRQ(void)
62 {
63         struct device_node *np;
64
65         np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
66         if (!np)
67                 return;
68
69         ipic_init(np, 0);
70
71         /* Initialize the default interrupt mapping priorities,
72          * in case the boot rom changed something on us.
73          */
74         ipic_set_default_priority();
75 }
76
77 /*
78  * Called very early, MMU is off, device-tree isn't unflattened
79  */
80 static int __init mpc837x_rdb_probe(void)
81 {
82         unsigned long root = of_get_flat_dt_root();
83
84         return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
85                of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
86                of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");
87 }
88
89 define_machine(mpc837x_rdb) {
90         .name                   = "MPC837x RDB",
91         .probe                  = mpc837x_rdb_probe,
92         .setup_arch             = mpc837x_rdb_setup_arch,
93         .init_IRQ               = mpc837x_rdb_init_IRQ,
94         .get_irq                = ipic_get_irq,
95         .restart                = mpc83xx_restart,
96         .time_init              = mpc83xx_time_init,
97         .calibrate_decr         = generic_calibrate_decr,
98         .progress               = udbg_progress,
99 };