545c069ccd
Board support for the PPC405 Walnut evaluation board Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: David Gibson <david@gibson.dropbear.id.au>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* Architecture- / platform-specific boot-time initialization code for
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* IBM PowerPC 4xx based boards. Adapted from original
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* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
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* <dan@net4x.com>.
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*
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* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
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*
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* Rewritten and ported to the merged powerpc tree:
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* Copyright 2007 IBM Corporation
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* Josh Boyer <jwboyer@linux.vnet.ibm.com>
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*
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* 2002 (c) MontaVista, Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/init.h>
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#include <asm/machdep.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <asm/time.h>
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#include <asm/uic.h>
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#include <asm/of_platform.h>
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static struct of_device_id walnut_of_bus[] = {
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{ .compatible = "ibm,plb3", },
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{ .compatible = "ibm,opb", },
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{ .compatible = "ibm,ebc", },
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{},
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};
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static int __init walnut_device_probe(void)
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{
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if (!machine_is(walnut))
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return 0;
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/* FIXME: do bus probe here */
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of_platform_bus_probe(NULL, walnut_of_bus, NULL);
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return 0;
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}
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device_initcall(walnut_device_probe);
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static int __init walnut_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
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return 0;
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return 1;
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}
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static void __init walnut_setup_arch(void)
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{
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}
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define_machine(walnut) {
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.name = "Walnut",
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.probe = walnut_probe,
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.setup_arch = walnut_setup_arch,
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.progress = udbg_progress,
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.init_IRQ = uic_init_tree,
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.get_irq = uic_get_irq,
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.calibrate_decr = generic_calibrate_decr,
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};
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