Files
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

52 lines
927 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
*/
#include <linux/io.h>
#include <linux/pm.h>
#include <linux/sizes.h>
#include <asm/idle.h>
#include <asm/reboot.h>
#include <loongson1.h>
static void __iomem *wdt_reg_base;
static void ls1x_halt(void)
{
while (1) {
if (cpu_wait)
cpu_wait();
}
}
static void ls1x_restart(char *command)
{
__raw_writel(0x1, wdt_reg_base + WDT_EN);
__raw_writel(0x1, wdt_reg_base + WDT_TIMER);
__raw_writel(0x1, wdt_reg_base + WDT_SET);
ls1x_halt();
}
static void ls1x_power_off(void)
{
ls1x_halt();
}
static int __init ls1x_reboot_setup(void)
{
wdt_reg_base = ioremap(LS1X_WDT_BASE, (SZ_4 + SZ_8));
if (!wdt_reg_base)
panic("Failed to remap watchdog registers");
_machine_restart = ls1x_restart;
_machine_halt = ls1x_halt;
pm_power_off = ls1x_power_off;
return 0;
}
arch_initcall(ls1x_reboot_setup);