blob: 39849dd1b5bbb7d827639ed1d0486bc814874ed2 [file] [log] [blame]
Kim Phillips00280162006-06-30 18:41:20 -05001/*
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
Kim Phillips00280162006-06-30 18:41:20 -050014#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>
Anton Vorontsov9b6d19d2007-12-04 22:45:31 +030026#include <linux/of_platform.h>
Kim Phillips00280162006-06-30 18:41:20 -050027
28#include <asm/system.h>
Arun Sharma60063492011-07-26 16:09:06 -070029#include <linux/atomic.h>
Kim Phillips00280162006-06-30 18:41:20 -050030#include <asm/time.h>
31#include <asm/io.h>
32#include <asm/machdep.h>
33#include <asm/ipic.h>
Kim Phillips00280162006-06-30 18:41:20 -050034#include <asm/irq.h>
35#include <asm/prom.h>
36#include <asm/udbg.h>
37#include <sysdev/fsl_soc.h>
John Rigby76fe1ff2008-06-26 11:07:57 -060038#include <sysdev/fsl_pci.h>
Kim Phillips00280162006-06-30 18:41:20 -050039
40#include "mpc83xx.h"
41
Anton Vorontsov9b6d19d2007-12-04 22:45:31 +030042static struct of_device_id __initdata mpc834x_itx_ids[] = {
43 { .compatible = "fsl,pq2pro-localbus", },
44 {},
45};
46
47static int __init mpc834x_itx_declare_of_platform_devices(void)
48{
Dmitry Eremin-Solenikov7669d582011-11-17 18:48:47 +040049 mpc83xx_declare_of_platform_devices();
Anton Vorontsov9b6d19d2007-12-04 22:45:31 +030050 return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
51}
52machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
53
Kim Phillips00280162006-06-30 18:41:20 -050054/* ************************************************************************
55 *
56 * Setup the architecture
57 *
58 */
59static void __init mpc834x_itx_setup_arch(void)
60{
Kim Phillips00280162006-06-30 18:41:20 -050061 if (ppc_md.progress)
62 ppc_md.progress("mpc834x_itx_setup_arch()", 0);
63
Dmitry Eremin-Solenikovbede4802011-11-17 18:48:48 +040064 mpc83xx_setup_pci();
Grant Likelyc03ac582007-07-06 16:29:09 -060065
66 mpc834x_usb_cfg();
Kim Phillips00280162006-06-30 18:41:20 -050067}
68
Kim Phillips00280162006-06-30 18:41:20 -050069/*
70 * Called very early, MMU is off, device-tree isn't unflattened
71 */
72static int __init mpc834x_itx_probe(void)
73{
Kumar Gala336c3c22007-02-17 09:10:44 -060074 unsigned long root = of_get_flat_dt_root();
75
76 return of_flat_dt_is_compatible(root, "MPC834xMITX");
Kim Phillips00280162006-06-30 18:41:20 -050077}
78
79define_machine(mpc834x_itx) {
80 .name = "MPC834x ITX",
81 .probe = mpc834x_itx_probe,
82 .setup_arch = mpc834x_itx_setup_arch,
Dmitry Eremin-Solenikovd4fb5eb2011-07-22 23:55:42 +040083 .init_IRQ = mpc83xx_ipic_init_IRQ,
Kim Phillips00280162006-06-30 18:41:20 -050084 .get_irq = ipic_get_irq,
85 .restart = mpc83xx_restart,
86 .time_init = mpc83xx_time_init,
87 .calibrate_decr = generic_calibrate_decr,
88 .progress = udbg_progress,
Kim Phillips00280162006-06-30 18:41:20 -050089};