6bbc547629
This patch adds base support for the AMCC Taishan 440GX evaluation board. Signed-off-by: Hugh Blemings <hugh@blemings.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
|
|
* Taishan board specific routines based off ebony.c code
|
|
* original copyrights below
|
|
*
|
|
* Matt Porter <mporter@kernel.crashing.org>
|
|
* Copyright 2002-2005 MontaVista Software Inc.
|
|
*
|
|
* Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
|
|
* Copyright (c) 2003-2005 Zultys Technologies
|
|
*
|
|
* Rewritten and ported to the merged powerpc tree:
|
|
* Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
|
|
*
|
|
* Modified from ebony.c for taishan:
|
|
* Copyright 2007 Hugh Blemings <hugh@au.ibm.com>, IBM Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <asm/machdep.h>
|
|
#include <asm/prom.h>
|
|
#include <asm/udbg.h>
|
|
#include <asm/time.h>
|
|
#include <asm/uic.h>
|
|
#include <asm/pci-bridge.h>
|
|
|
|
#include "44x.h"
|
|
|
|
static struct of_device_id taishan_of_bus[] = {
|
|
{ .compatible = "ibm,plb4", },
|
|
{ .compatible = "ibm,opb", },
|
|
{ .compatible = "ibm,ebc", },
|
|
{},
|
|
};
|
|
|
|
static int __init taishan_device_probe(void)
|
|
{
|
|
if (!machine_is(taishan))
|
|
return 0;
|
|
|
|
of_platform_bus_probe(NULL, taishan_of_bus, NULL);
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(taishan_device_probe);
|
|
|
|
/*
|
|
* Called very early, MMU is off, device-tree isn't unflattened
|
|
*/
|
|
static int __init taishan_probe(void)
|
|
{
|
|
unsigned long root = of_get_flat_dt_root();
|
|
|
|
if (!of_flat_dt_is_compatible(root, "amcc,taishan"))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
define_machine(taishan) {
|
|
.name = "Taishan",
|
|
.probe = taishan_probe,
|
|
.progress = udbg_progress,
|
|
.init_IRQ = uic_init_tree,
|
|
.get_irq = uic_get_irq,
|
|
.restart = ppc44x_reset_system,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
};
|