62 строки
1.5 KiB
C
62 строки
1.5 KiB
C
|
/*
|
||
|
|
* Architecture- / platform-specific boot-time initialization code for
|
||
|
|
* IBM PowerPC 4xx based boards. Adapted from original
|
||
|
|
* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
|
||
|
|
* <dan@net4x.com>.
|
||
|
|
*
|
||
|
|
* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
|
||
|
|
*
|
||
|
|
* Rewritten and ported to the merged powerpc tree:
|
||
|
|
* Copyright 2007 IBM Corporation
|
||
|
|
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
|
||
|
|
*
|
||
|
|
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
|
||
|
|
* the terms of the GNU General Public License version 2. This program
|
||
|
|
* is licensed "as is" without any warranty of any kind, whether express
|
||
|
|
* or implied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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/ppc4xx.h>
|
||
|
|
|
||
|
|
static __initdata struct of_device_id hcu4_of_bus[] = {
|
||
|
|
{ .compatible = "ibm,plb3", },
|
||
|
|
{ .compatible = "ibm,opb", },
|
||
|
|
{ .compatible = "ibm,ebc", },
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init hcu4_device_probe(void)
|
||
|
|
{
|
||
|
|
of_platform_bus_probe(NULL, hcu4_of_bus, NULL);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
machine_device_initcall(hcu4, hcu4_device_probe);
|
||
|
|
|
||
|
|
static int __init hcu4_probe(void)
|
||
|
|
{
|
||
|
|
unsigned long root = of_get_flat_dt_root();
|
||
|
|
|
||
|
|
if (!of_flat_dt_is_compatible(root, "netstal,hcu4"))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
define_machine(hcu4) {
|
||
|
|
.name = "HCU4",
|
||
|
|
.probe = hcu4_probe,
|
||
|
|
.progress = udbg_progress,
|
||
|
|
.init_IRQ = uic_init_tree,
|
||
|
|
.get_irq = uic_get_irq,
|
||
|
|
.restart = ppc4xx_reset_system,
|
||
|
|
.calibrate_decr = generic_calibrate_decr,
|
||
|
|
};
|