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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SAM3X_WDT_H
#define SAM3X_WDT_H
#include <libopencm3/cm3/common.h>
#include <libopencm3/sam/memorymap.h>
/* --- WDT registers ----------------------------------------------------- */
#define WDT_CR MMIO32(WDT_BASE + 0x00)
#define WDT_MR MMIO32(WDT_BASE + 0x04)
#define WDT_SR MMIO32(WDT_BASE + 0x08)
/* --- WDT_CR values ------------------------------------------------------ */
#define WDT_CR_KEY (0xA5 << 24)
/* Bits [23:1]: Reserved. */
#define WDT_CR_WDRSTT (1 << 0)
/* --- WDT_MR values ------------------------------------------------------ */
/* Bits [31:32]: Reserved. */
#define WDT_MR_WDIDLEHLT (1 << 29)
#define WDT_MR_WDDBGHLT (1 << 28)
#define WDT_MR_WDD_MASK (0xFFF << 16)
#define WDT_MR_WDDIS (1 << 15)
#define WDT_MR_WDRPROC (1 << 14)
#define WDT_MR_WDRSTEN (1 << 13)
#define WDT_MR_WDFIEN (1 << 12)
#define WDT_MR_WDV_MASK (0xFFF << 0)
/* --- WDT_SR values ------------------------------------------------------ */
/* Bits [31:2]: Reserved. */
#define WDT_SR_WDERR (1 << 1)
#define WDT_SR_WDUNF (1 << 0)
#endif
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