linux/linux-5.4.31/arch/mips/lasat/reset.c

49 lines
990 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Thomas Horsten <thh@lasat.com>
* Copyright (C) 2000 LASAT Networks A/S.
*
* 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;
}