diff options
Diffstat (limited to 'libopencm3/include/libopencm3/sam/wdt.h')
| -rw-r--r-- | libopencm3/include/libopencm3/sam/wdt.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/sam/wdt.h b/libopencm3/include/libopencm3/sam/wdt.h new file mode 100644 index 0000000..566ac95 --- /dev/null +++ b/libopencm3/include/libopencm3/sam/wdt.h @@ -0,0 +1,57 @@ +/* + * 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 |