/* * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved. * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _IMX_WDOG_H #define _IMX_WDOG_H #include #define WDOGx_WMCR 0x8 static inline void wdog_preconfig(int base_addr) { /* * From IC spec: * The Power down Counter inside WDOG-1 will be enabled out of reset. * This counter has a fixed time-out value of 16 seconds, after which * it will drive the WDOG-1 signal low. * * To prevent this, the software must disable this counter by clearing * the PDE bit of Watchdog Miscellaneous Control Register (WDOG_WMCR). */ writew(0, base_addr + WDOGx_WMCR); } #endif