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/*
* Copyright (C) 2011 Andes Technology Corporation
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that 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
*/
#include <asm/arch-ag102/ag102.h>
#include <linux/linkage.h>
.text
#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG
ENTRY(turnoff_watchdog)
#define WD_CR 0xC
#define WD_ENABLE 0x1
! Turn off the watchdog, according to Faraday FTWDT010 spec
li $p0, (CONFIG_FTWDT010_BASE+WD_CR) ! Get the addr of WD CR
lwi $p1, [$p0] ! Get the config of WD
andi $p1, $p1, 0x1f ! Wipe out useless bits
li $r0, ~WD_ENABLE
and $p1, $p1, $r0 ! Set WD disable
sw $p1, [$p0] ! Write back to WD CR
! Disable Interrupts by clear GIE in $PSW reg
setgie.d
ret
ENDPROC(turnoff_watchdog)
#endif
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