linux-stable/arch/mips/loongson64/reset.c
Christoph Hellwig 4bdc0d676a remove ioremap_nocache and devm_ioremap_nocache
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2020-01-06 09:45:59 +01:00

64 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
* Author: Fuxin Zhang, zhangfx@lemote.com
* Copyright (C) 2009 Lemote, Inc.
* Author: Zhangjin Wu, wuzhangjin@gmail.com
*/
#include <linux/init.h>
#include <linux/pm.h>
#include <asm/idle.h>
#include <asm/reboot.h>
#include <loongson.h>
#include <boot_param.h>
static inline void loongson_reboot(void)
{
((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) ();
}
static void loongson_restart(char *command)
{
void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
fw_restart();
while (1) {
if (cpu_wait)
cpu_wait();
}
}
static void loongson_poweroff(void)
{
void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
fw_poweroff();
while (1) {
if (cpu_wait)
cpu_wait();
}
}
static void loongson_halt(void)
{
pr_notice("\n\n** You can safely turn off the power now **\n\n");
while (1) {
if (cpu_wait)
cpu_wait();
}
}
static int __init mips_reboot_setup(void)
{
_machine_restart = loongson_restart;
_machine_halt = loongson_halt;
pm_power_off = loongson_poweroff;
return 0;
}
arch_initcall(mips_reboot_setup);