2 * Architecture- / platform-specific boot-time initialization code for
3 * IBM PowerPC 4xx based boards. Adapted from original
4 * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
7 * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
9 * Rewritten and ported to the merged powerpc tree:
10 * Copyright 2007 IBM Corporation
11 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
13 * 2002 (c) MontaVista, Software, Inc. This file is licensed under
14 * the terms of the GNU General Public License version 2. This program
15 * is licensed "as is" without any warranty of any kind, whether express
19 #include <linux/init.h>
20 #include <linux/of_platform.h>
22 #include <asm/machdep.h>
27 #include <asm/pci-bridge.h>
29 static __initdata struct of_device_id walnut_of_bus[] = {
30 { .compatible = "ibm,plb3", },
31 { .compatible = "ibm,opb", },
32 { .compatible = "ibm,ebc", },
36 static int __init walnut_device_probe(void)
38 if (!machine_is(walnut))
41 of_platform_bus_probe(NULL, walnut_of_bus, NULL);
45 device_initcall(walnut_device_probe);
47 static int __init walnut_probe(void)
49 unsigned long root = of_get_flat_dt_root();
51 if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
54 ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
59 define_machine(walnut) {
61 .probe = walnut_probe,
62 .progress = udbg_progress,
63 .init_IRQ = uic_init_tree,
64 .get_irq = uic_get_irq,
65 .calibrate_decr = generic_calibrate_decr,