Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[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 #ifndef CONFIG_PCI
32 unsigned long isa_io_base = 0;
33 unsigned long isa_mem_base = 0;
34 #endif
35
36 /* ************************************************************************
37  *
38  * Setup the architecture
39  *
40  */
41 static void __init mpc8313_rdb_setup_arch(void)
42 {
43         struct device_node *np;
44
45         if (ppc_md.progress)
46                 ppc_md.progress("mpc8313_rdb_setup_arch()", 0);
47
48 #ifdef CONFIG_PCI
49         for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
50                 add_bridge(np);
51
52         ppc_md.pci_exclude_device = mpc83xx_exclude_device;
53 #endif
54 }
55
56 void __init mpc8313_rdb_init_IRQ(void)
57 {
58         struct device_node *np;
59
60         np = of_find_node_by_type(NULL, "ipic");
61         if (!np)
62                 return;
63
64         ipic_init(np, 0);
65
66         /* Initialize the default interrupt mapping priorities,
67          * in case the boot rom changed something on us.
68          */
69         ipic_set_default_priority();
70 }
71
72 /*
73  * Called very early, MMU is off, device-tree isn't unflattened
74  */
75 static int __init mpc8313_rdb_probe(void)
76 {
77         char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
78                                           "model", NULL);
79         if (model == NULL)
80                 return 0;
81         if (strcmp(model, "MPC8313ERDB"))
82                 return 0;
83
84         DBG("MPC8313 RDB found\n");
85
86         return 1;
87 }
88
89 define_machine(mpc8313_rdb) {
90         .name                   = "MPC8313 RDB",
91         .probe                  = mpc8313_rdb_probe,
92         .setup_arch             = mpc8313_rdb_setup_arch,
93         .init_IRQ               = mpc8313_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 };