1 /*
2  * arch/powerpc/platforms/83xx/mpc834x_itx.c
3  *
4  * MPC834x ITX board specific routines
5  *
6  * Maintainer: Kumar Gala <galak@kernel.crashing.org>
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/stddef.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/errno.h>
18 #include <linux/reboot.h>
19 #include <linux/pci.h>
20 #include <linux/kdev_t.h>
21 #include <linux/major.h>
22 #include <linux/console.h>
23 #include <linux/delay.h>
24 #include <linux/seq_file.h>
25 #include <linux/root_dev.h>
26 #include <linux/of_platform.h>
27 
28 #include <linux/atomic.h>
29 #include <asm/time.h>
30 #include <asm/io.h>
31 #include <asm/machdep.h>
32 #include <asm/ipic.h>
33 #include <asm/irq.h>
34 #include <asm/prom.h>
35 #include <asm/udbg.h>
36 #include <sysdev/fsl_soc.h>
37 #include <sysdev/fsl_pci.h>
38 
39 #include "mpc83xx.h"
40 
41 static const struct of_device_id mpc834x_itx_ids[] __initconst = {
42 	{ .compatible = "fsl,pq2pro-localbus", },
43 	{},
44 };
45 
46 static int __init mpc834x_itx_declare_of_platform_devices(void)
47 {
48 	mpc83xx_declare_of_platform_devices();
49 	return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
50 }
51 machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
52 
53 /* ************************************************************************
54  *
55  * Setup the architecture
56  *
57  */
58 static void __init mpc834x_itx_setup_arch(void)
59 {
60 	mpc83xx_setup_arch();
61 
62 	mpc834x_usb_cfg();
63 }
64 
65 /*
66  * Called very early, MMU is off, device-tree isn't unflattened
67  */
68 static int __init mpc834x_itx_probe(void)
69 {
70 	return of_machine_is_compatible("MPC834xMITX");
71 }
72 
73 define_machine(mpc834x_itx) {
74 	.name			= "MPC834x ITX",
75 	.probe			= mpc834x_itx_probe,
76 	.setup_arch		= mpc834x_itx_setup_arch,
77 	.init_IRQ		= mpc83xx_ipic_init_IRQ,
78 	.get_irq		= ipic_get_irq,
79 	.restart		= mpc83xx_restart,
80 	.time_init		= mpc83xx_time_init,
81 	.calibrate_decr		= generic_calibrate_decr,
82 	.progress		= udbg_progress,
83 };
84