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 #ifdef CONFIG_QUICC_ENGINE
55 	qe_reset();
56 #endif
57 }
58 
59 static void __init mpc836x_rdk_init_IRQ(void)
60 {
61 	struct device_node *np;
62 
63 	np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
64 	if (!np)
65 		return;
66 
67 	ipic_init(np, 0);
68 
69 	/*
70 	 * Initialize the default interrupt mapping priorities,
71 	 * in case the boot rom changed something on us.
72 	 */
73 	ipic_set_default_priority();
74 	of_node_put(np);
75 #ifdef CONFIG_QUICC_ENGINE
76 	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
77 	if (!np)
78 		return;
79 
80 	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
81 	of_node_put(np);
82 #endif
83 }
84 
85 /*
86  * Called very early, MMU is off, device-tree isn't unflattened.
87  */
88 static int __init mpc836x_rdk_probe(void)
89 {
90 	unsigned long root = of_get_flat_dt_root();
91 
92 	return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
93 }
94 
95 define_machine(mpc836x_rdk) {
96 	.name		= "MPC836x RDK",
97 	.probe		= mpc836x_rdk_probe,
98 	.setup_arch	= mpc836x_rdk_setup_arch,
99 	.init_IRQ	= mpc836x_rdk_init_IRQ,
100 	.get_irq	= ipic_get_irq,
101 	.restart	= mpc83xx_restart,
102 	.time_init	= mpc83xx_time_init,
103 	.calibrate_decr	= generic_calibrate_decr,
104 	.progress	= udbg_progress,
105 };
106