1*83d290c5STom Rini/* SPDX-License-Identifier: GPL-2.0+ */ 2445a886dSMacpaul Lin/* 3445a886dSMacpaul Lin * Copyright (C) 2011 Andes Technology Corporation 4445a886dSMacpaul Lin * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> 5445a886dSMacpaul Lin */ 6445a886dSMacpaul Lin 7445a886dSMacpaul Lin#include <asm/arch-ag101/ag101.h> 83998586bSMacpaul Lin#include <linux/linkage.h> 9445a886dSMacpaul Lin 10445a886dSMacpaul Lin.text 11445a886dSMacpaul Lin 12445a886dSMacpaul Lin#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG 133998586bSMacpaul LinENTRY(turnoff_watchdog) 14445a886dSMacpaul Lin 15445a886dSMacpaul Lin#define WD_CR 0xC 16445a886dSMacpaul Lin#define WD_ENABLE 0x1 17445a886dSMacpaul Lin 18445a886dSMacpaul Lin ! Turn off the watchdog, according to Faraday FTWDT010 spec 19445a886dSMacpaul Lin li $p0, (CONFIG_FTWDT010_BASE+WD_CR) ! Get the addr of WD CR 20445a886dSMacpaul Lin lwi $p1, [$p0] ! Get the config of WD 21445a886dSMacpaul Lin andi $p1, $p1, 0x1f ! Wipe out useless bits 22445a886dSMacpaul Lin li $r0, ~WD_ENABLE 23445a886dSMacpaul Lin and $p1, $p1, $r0 ! Set WD disable 24445a886dSMacpaul Lin sw $p1, [$p0] ! Write back to WD CR 25445a886dSMacpaul Lin 26445a886dSMacpaul Lin ! Disable Interrupts by clear GIE in $PSW reg 27445a886dSMacpaul Lin setgie.d 28445a886dSMacpaul Lin 29445a886dSMacpaul Lin ret 30445a886dSMacpaul Lin 313998586bSMacpaul LinENDPROC(turnoff_watchdog) 32445a886dSMacpaul Lin#endif 33