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
mpc834x_itx_declare_of_platform_devices(void)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 */
mpc834x_itx_setup_arch(void)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 */
mpc834x_itx_probe(void)68 static int __init mpc834x_itx_probe(void)
69 {
70 return of_machine_is_compatible("MPC834xMITX");
71 }
72
define_machine(mpc834x_itx)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