1 /*
2  * arch/powerpc/platforms/83xx/asp834x.c
3  *
4  * Analogue & Micro ASP8347 board specific routines
5  * clone of mpc834x_itx
6  *
7  * Copyright 2008 Codehermit
8  *
9  * Maintainer: Bryan O'Donoghue <bodonoghue@codhermit.ie>
10  *
11  * This program is free software; you can redistribute  it and/or modify it
12  * under  the terms of  the GNU General  Public License as published by the
13  * Free Software Foundation;  either version 2 of the  License, or (at your
14  * option) any later version.
15  */
16 
17 #include <linux/pci.h>
18 #include <linux/of_platform.h>
19 
20 #include <asm/time.h>
21 #include <asm/ipic.h>
22 #include <asm/udbg.h>
23 
24 #include "mpc83xx.h"
25 
26 /* ************************************************************************
27  *
28  * Setup the architecture
29  *
30  */
31 static void __init asp834x_setup_arch(void)
32 {
33 	if (ppc_md.progress)
34 		ppc_md.progress("asp834x_setup_arch()", 0);
35 
36 	mpc834x_usb_cfg();
37 }
38 
39 static void __init asp834x_init_IRQ(void)
40 {
41 	struct device_node *np;
42 
43 	np = of_find_node_by_type(NULL, "ipic");
44 	if (!np)
45 		return;
46 
47 	ipic_init(np, 0);
48 
49 	of_node_put(np);
50 
51 	/* Initialize the default interrupt mapping priorities,
52 	 * in case the boot rom changed something on us.
53 	 */
54 	ipic_set_default_priority();
55 }
56 
57 static struct __initdata of_device_id asp8347_ids[] = {
58 	{ .type = "soc", },
59 	{ .compatible = "soc", },
60 	{ .compatible = "simple-bus", },
61 	{},
62 };
63 
64 static int __init asp8347_declare_of_platform_devices(void)
65 {
66 	of_platform_bus_probe(NULL, asp8347_ids, NULL);
67 	return 0;
68 }
69 machine_device_initcall(asp834x, asp8347_declare_of_platform_devices);
70 
71 /*
72  * Called very early, MMU is off, device-tree isn't unflattened
73  */
74 static int __init asp834x_probe(void)
75 {
76 	unsigned long root = of_get_flat_dt_root();
77 	return of_flat_dt_is_compatible(root, "analogue-and-micro,asp8347e");
78 }
79 
80 define_machine(asp834x) {
81 	.name			= "ASP8347E",
82 	.probe			= asp834x_probe,
83 	.setup_arch		= asp834x_setup_arch,
84 	.init_IRQ		= asp834x_init_IRQ,
85 	.get_irq		= ipic_get_irq,
86 	.restart		= mpc83xx_restart,
87 	.time_init		= mpc83xx_time_init,
88 	.calibrate_decr		= generic_calibrate_decr,
89 	.progress		= udbg_progress,
90 };
91