Merge branch 'linus' into core/generic-dma-coherent
[linux-2.6] / arch / powerpc / platforms / 83xx / mpc836x_rdk.c
1 /*
2  * MPC8360E-RDK board file.
3  *
4  * Copyright (c) 2006  Freescale Semicondutor, Inc.
5  * Copyright (c) 2007-2008  MontaVista Software, Inc.
6  *
7  * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under  the terms of  the GNU General  Public License as published by the
11  * Free Software Foundation;  either version 2 of the  License, or (at your
12  * option) any later version.
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/pci.h>
17 #include <linux/of_platform.h>
18 #include <linux/io.h>
19 #include <asm/prom.h>
20 #include <asm/time.h>
21 #include <asm/ipic.h>
22 #include <asm/udbg.h>
23 #include <asm/qe.h>
24 #include <asm/qe_ic.h>
25 #include <sysdev/fsl_soc.h>
26 #include <sysdev/fsl_pci.h>
27
28 #include "mpc83xx.h"
29
30 static struct of_device_id __initdata mpc836x_rdk_ids[] = {
31         { .compatible = "simple-bus", },
32         {},
33 };
34
35 static int __init mpc836x_rdk_declare_of_platform_devices(void)
36 {
37         return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
38 }
39 machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);
40
41 static void __init mpc836x_rdk_setup_arch(void)
42 {
43 #ifdef CONFIG_PCI
44         struct device_node *np;
45 #endif
46
47         if (ppc_md.progress)
48                 ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
49
50 #ifdef CONFIG_PCI
51         for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
52                 mpc83xx_add_bridge(np);
53 #endif
54
55         qe_reset();
56 }
57
58 static void __init mpc836x_rdk_init_IRQ(void)
59 {
60         struct device_node *np;
61
62         np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
63         if (!np)
64                 return;
65
66         ipic_init(np, 0);
67
68         /*
69          * Initialize the default interrupt mapping priorities,
70          * in case the boot rom changed something on us.
71          */
72         ipic_set_default_priority();
73         of_node_put(np);
74
75         np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
76         if (!np)
77                 return;
78
79         qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
80         of_node_put(np);
81 }
82
83 /*
84  * Called very early, MMU is off, device-tree isn't unflattened.
85  */
86 static int __init mpc836x_rdk_probe(void)
87 {
88         unsigned long root = of_get_flat_dt_root();
89
90         return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
91 }
92
93 define_machine(mpc836x_rdk) {
94         .name           = "MPC836x RDK",
95         .probe          = mpc836x_rdk_probe,
96         .setup_arch     = mpc836x_rdk_setup_arch,
97         .init_IRQ       = mpc836x_rdk_init_IRQ,
98         .get_irq        = ipic_get_irq,
99         .restart        = mpc83xx_restart,
100         .time_init      = mpc83xx_time_init,
101         .calibrate_decr = generic_calibrate_decr,
102         .progress       = udbg_progress,
103 };