58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SAM3X_WDT_H
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#define SAM3X_WDT_H
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/sam/memorymap.h>
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/* --- WDT registers ----------------------------------------------------- */
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#define WDT_CR MMIO32(WDT_BASE + 0x00)
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#define WDT_MR MMIO32(WDT_BASE + 0x04)
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#define WDT_SR MMIO32(WDT_BASE + 0x08)
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/* --- WDT_CR values ------------------------------------------------------ */
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#define WDT_CR_KEY (0xA5 << 24)
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/* Bits [23:1]: Reserved. */
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#define WDT_CR_WDRSTT (1 << 0)
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/* --- WDT_MR values ------------------------------------------------------ */
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/* Bits [31:32]: Reserved. */
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#define WDT_MR_WDIDLEHLT (1 << 29)
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#define WDT_MR_WDDBGHLT (1 << 28)
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#define WDT_MR_WDD_MASK (0xFFF << 16)
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#define WDT_MR_WDDIS (1 << 15)
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#define WDT_MR_WDRPROC (1 << 14)
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#define WDT_MR_WDRSTEN (1 << 13)
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#define WDT_MR_WDFIEN (1 << 12)
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#define WDT_MR_WDV_MASK (0xFFF << 0)
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/* --- WDT_SR values ------------------------------------------------------ */
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/* Bits [31:2]: Reserved. */
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#define WDT_SR_WDERR (1 << 1)
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#define WDT_SR_WDUNF (1 << 0)
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#endif
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