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);
45 static void __init mpc831x_rdb_init_IRQ(void)
47 struct device_node *np;
49 np = of_find_node_by_type(NULL, "ipic");
55 /* Initialize the default interrupt mapping priorities,
56 * in case the boot rom changed something on us.
58 ipic_set_default_priority();
62 * Called very early, MMU is off, device-tree isn't unflattened
64 static int __init mpc831x_rdb_probe(void)
66 unsigned long root = of_get_flat_dt_root();
68 return of_flat_dt_is_compatible(root, "MPC8313ERDB") ||
69 of_flat_dt_is_compatible(root, "fsl,mpc8315erdb");
72 static struct of_device_id __initdata of_bus_ids[] = {
73 { .compatible = "simple-bus" },
77 static int __init declare_of_platform_devices(void)
79 of_platform_bus_probe(NULL, of_bus_ids, NULL);
82 machine_device_initcall(mpc831x_rdb, declare_of_platform_devices);
84 define_machine(mpc831x_rdb) {
85 .name = "MPC831x RDB",
86 .probe = mpc831x_rdb_probe,
87 .setup_arch = mpc831x_rdb_setup_arch,
88 .init_IRQ = mpc831x_rdb_init_IRQ,
89 .get_irq = ipic_get_irq,
90 .restart = mpc83xx_restart,
91 .time_init = mpc83xx_time_init,
92 .calibrate_decr = generic_calibrate_decr,
93 .progress = udbg_progress,