mirror of https://gitee.com/openkylin/linux.git
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
|
/*
|
||
|
|
* Thomas Horsten <thh@lasat.com>
|
||
|
|
* Copyright (C) 2000 LASAT Networks A/S.
|
||
|
|
*
|
||
|
|
* This program is free software; you can distribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License (Version 2) as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||
|
|
* for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License along
|
||
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
||
|
|
*
|
||
|
|
* Reset the LASAT board.
|
||
|
|
*/
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/pm.h>
|
||
|
|
|
||
|
|
#include <asm/reboot.h>
|
||
|
|
#include <asm/lasat/lasat.h>
|
||
|
|
|
||
|
|
#include "picvue.h"
|
||
|
|
#include "prom.h"
|
||
|
|
|
||
|
|
static void lasat_machine_restart(char *command);
|
||
|
|
static void lasat_machine_halt(void);
|
||
|
|
|
||
|
|
/* Used to set machine to boot in service mode via /proc interface */
|
||
|
|
int lasat_boot_to_service;
|
||
|
|
|
||
|
|
static void lasat_machine_restart(char *command)
|
||
|
|
{
|
||
|
|
local_irq_disable();
|
||
|
|
|
||
|
|
if (lasat_boot_to_service) {
|
||
|
|
*(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
|
||
|
|
*(volatile unsigned int *)0xa00000fc = 0xfedeabba;
|
||
|
|
}
|
||
|
|
*lasat_misc->reset_reg = 0xbedead;
|
||
|
|
for (;;) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void lasat_machine_halt(void)
|
||
|
|
{
|
||
|
|
local_irq_disable();
|
||
|
|
|
||
|
|
prom_monitor();
|
||
|
|
for (;;) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
void lasat_reboot_setup(void)
|
||
|
|
{
|
||
|
|
_machine_restart = lasat_machine_restart;
|
||
|
|
_machine_halt = lasat_machine_halt;
|
||
|
|
pm_power_off = lasat_machine_halt;
|
||
|
|
}
|