2 * arch/powerpc/platforms/83xx/mpc831x_rdb.c
4 * Description: MPC831x RDB board specific routines.
5 * This file is based on mpc834x_sys.c
6 * Author: Lo Wlison <r43300@freescale.com>
8 * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
16 #include <linux/pci.h>
17 #include <linux/of_platform.h>
22 #include <sysdev/fsl_pci.h>
27 * Setup the architecture
29 static void __init mpc831x_rdb_setup_arch(void)
32 struct device_node *np;
36 ppc_md.progress("mpc831x_rdb_setup_arch()", 0);
39 for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
40 mpc83xx_add_bridge(np);
41 for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
42 mpc83xx_add_bridge(np);
47 static void __init mpc831x_rdb_init_IRQ(void)
49 struct device_node *np;
51 np = of_find_node_by_type(NULL, "ipic");
57 /* Initialize the default interrupt mapping priorities,
58 * in case the boot rom changed something on us.
60 ipic_set_default_priority();
63 static const char *board[] __initdata = {
70 * Called very early, MMU is off, device-tree isn't unflattened
72 static int __init mpc831x_rdb_probe(void)
74 return of_flat_dt_match(of_get_flat_dt_root(), board);
77 static struct of_device_id __initdata of_bus_ids[] = {
78 { .compatible = "simple-bus" },
79 { .compatible = "gianfar" },
80 { .compatible = "gpio-leds", },
84 static int __init declare_of_platform_devices(void)
86 of_platform_bus_probe(NULL, of_bus_ids, NULL);
89 machine_device_initcall(mpc831x_rdb, declare_of_platform_devices);
91 define_machine(mpc831x_rdb) {
92 .name = "MPC831x RDB",
93 .probe = mpc831x_rdb_probe,
94 .setup_arch = mpc831x_rdb_setup_arch,
95 .init_IRQ = mpc831x_rdb_init_IRQ,
96 .get_irq = ipic_get_irq,
97 .restart = mpc83xx_restart,
98 .time_init = mpc83xx_time_init,
99 .calibrate_decr = generic_calibrate_decr,
100 .progress = udbg_progress,