2 * arch/powerpc/platforms/83xx/mpc834x_itx.c
4 * MPC834x ITX board specific routines
6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
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.
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>
28 #include <asm/system.h>
29 #include <asm/atomic.h>
32 #include <asm/machdep.h>
37 #include <sysdev/fsl_soc.h>
38 #include <sysdev/fsl_pci.h>
42 static struct of_device_id __initdata mpc834x_itx_ids[] = {
43 { .compatible = "fsl,pq2pro-localbus", },
44 { .compatible = "simple-bus", },
48 static int __init mpc834x_itx_declare_of_platform_devices(void)
50 return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
52 machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
54 /* ************************************************************************
56 * Setup the architecture
59 static void __init mpc834x_itx_setup_arch(void)
62 struct device_node *np;
66 ppc_md.progress("mpc834x_itx_setup_arch()", 0);
69 for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
70 mpc83xx_add_bridge(np);
76 static void __init mpc834x_itx_init_IRQ(void)
78 struct device_node *np;
80 np = of_find_node_by_type(NULL, "ipic");
86 /* Initialize the default interrupt mapping priorities,
87 * in case the boot rom changed something on us.
89 ipic_set_default_priority();
93 * Called very early, MMU is off, device-tree isn't unflattened
95 static int __init mpc834x_itx_probe(void)
97 unsigned long root = of_get_flat_dt_root();
99 return of_flat_dt_is_compatible(root, "MPC834xMITX");
102 define_machine(mpc834x_itx) {
103 .name = "MPC834x ITX",
104 .probe = mpc834x_itx_probe,
105 .setup_arch = mpc834x_itx_setup_arch,
106 .init_IRQ = mpc834x_itx_init_IRQ,
107 .get_irq = ipic_get_irq,
108 .restart = mpc83xx_restart,
109 .time_init = mpc83xx_time_init,
110 .calibrate_decr = generic_calibrate_decr,
111 .progress = udbg_progress,