Merge git://git.infradead.org/embedded-2.6
[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 #include <sysdev/fsl_pci.h>
21
22 #include "mpc83xx.h"
23
24 extern int mpc837x_usb_cfg(void);
25
26 /* ************************************************************************
27  *
28  * Setup the architecture
29  *
30  */
31 static void __init mpc837x_rdb_setup_arch(void)
32 {
33 #ifdef CONFIG_PCI
34         struct device_node *np;
35 #endif
36
37         if (ppc_md.progress)
38                 ppc_md.progress("mpc837x_rdb_setup_arch()", 0);
39
40 #ifdef CONFIG_PCI
41         for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
42                 mpc83xx_add_bridge(np);
43 #endif
44         mpc837x_usb_cfg();
45 }
46
47 static struct of_device_id mpc837x_ids[] = {
48         { .type = "soc", },
49         { .compatible = "soc", },
50         { .compatible = "simple-bus", },
51         {},
52 };
53
54 static int __init mpc837x_declare_of_platform_devices(void)
55 {
56         /* Publish of_device */
57         of_platform_bus_probe(NULL, mpc837x_ids, NULL);
58
59         return 0;
60 }
61 machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);
62
63 static void __init mpc837x_rdb_init_IRQ(void)
64 {
65         struct device_node *np;
66
67         np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
68         if (!np)
69                 return;
70
71         ipic_init(np, 0);
72
73         /* Initialize the default interrupt mapping priorities,
74          * in case the boot rom changed something on us.
75          */
76         ipic_set_default_priority();
77 }
78
79 /*
80  * Called very early, MMU is off, device-tree isn't unflattened
81  */
82 static int __init mpc837x_rdb_probe(void)
83 {
84         unsigned long root = of_get_flat_dt_root();
85
86         return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
87                of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
88                of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");
89 }
90
91 define_machine(mpc837x_rdb) {
92         .name                   = "MPC837x RDB",
93         .probe                  = mpc837x_rdb_probe,
94         .setup_arch             = mpc837x_rdb_setup_arch,
95         .init_IRQ               = mpc837x_rdb_init_IRQ,
96         .get_irq                = ipic_get_irq,
97         .restart                = mpc83xx_restart,
98         .time_init              = mpc83xx_time_init,
99         .calibrate_decr         = generic_calibrate_decr,
100         .progress               = udbg_progress,
101 };