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wdog_common_hglg.h « common « efm32 « libopencm3 « include - github.com/thirdpin/libopencm3.git - Unnamed repository; edit this file 'description' to name the repository.
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/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2015 Kuldeep Singh Dhaka <kuldeepdhaka9@gmail.com>
 *
 * 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/>.
 */

/** @cond */
#if defined(LIBOPENCM3_WDOG_H)
/** @endcond */
#ifndef LIBOPENCM3_EFM32_WDOG_COMMON_HGLG_H
#define LIBOPENCM3_EFM32_WDOG_COMMON_HGLG_H

#include <libopencm3/efm32/memorymap.h>
#include <libopencm3/cm3/common.h>

#define WDOG_CTRL			MMIO32(WDOG_BASE + 0x000)
#define WDOG_CMD			MMIO32(WDOG_BASE + 0x004)
#define WDOG_SYNCBUSY			MMIO32(WDOG_BASE + 0x008)

/* WDOG_CTRL */
#define WDOG_CTRL_CLKSEL_SHIFT		(12)
#define WDOG_CTRL_CLKSEL_MASK		(0x3 << WDOG_CTRL_CLKSEL_SHIFT)
#define WDOG_CTRL_CLKSEL(v)		\
	(((v) << WDOG_CTRL_CLKSEL_SHIFT) & WDOG_CTRL_CLKSEL_MASK)
#define WDOG_CTRL_CLKSEL_ULFRCO		WDOG_CTRL_CLKSEL(0)
#define WDOG_CTRL_CLKSEL_LFRCO		WDOG_CTRL_CLKSEL(1)
#define WDOG_CTRL_CLKSEL_LFXO		WDOG_CTRL_CLKSEL(2)

#define WDOG_CTRL_PERSEL_SHIFT		(8)
#define WDOG_CTRL_PERSEL_MASK		(0xF << WDOG_CTRL_PERSEL_SHIFT)
#define WDOG_CTRL_PERSEL(v)				\
	(((v) << WDOG_CTRL_PERSEL_SHIFT) & WDOG_CTRL_PERSEL_MASK)
#define WDOG_CTRL_PERSEL_9CYCLES	WDOG_CTRL_PERSEL(0)
#define WDOG_CTRL_PERSEL_17CYCLES	WDOG_CTRL_PERSEL(1)
#define WDOG_CTRL_PERSEL_33CYCLES	WDOG_CTRL_PERSEL(2)
#define WDOG_CTRL_PERSEL_65CYCLES	WDOG_CTRL_PERSEL(3)
#define WDOG_CTRL_PERSEL_129CYCLES	WDOG_CTRL_PERSEL(4)
#define WDOG_CTRL_PERSEL_257CYCLES	WDOG_CTRL_PERSEL(5)
#define WDOG_CTRL_PERSEL_513CYCLES	WDOG_CTRL_PERSEL(6)
#define WDOG_CTRL_PERSEL_1KCYCLES	WDOG_CTRL_PERSEL(7)
#define WDOG_CTRL_PERSEL_2KCYCLES	WDOG_CTRL_PERSEL(8)
#define WDOG_CTRL_PERSEL_4KCYCLES	WDOG_CTRL_PERSEL(9)
#define WDOG_CTRL_PERSEL_8KCYCLES	WDOG_CTRL_PERSEL(10)
#define WDOG_CTRL_PERSEL_16KCYCLES	WDOG_CTRL_PERSEL(11)
#define WDOG_CTRL_PERSEL_32KCYCLES	WDOG_CTRL_PERSEL(12)
#define WDOG_CTRL_PERSEL_64KCYCLES	WDOG_CTRL_PERSEL(13)
#define WDOG_CTRL_PERSEL_128KCYCLES	WDOG_CTRL_PERSEL(14)
#define WDOG_CTRL_PERSEL_256KCYCLES	WDOG_CTRL_PERSEL(15)

#define WDOG_CTRL_SWOSCBLOCK		(1 << 6)
#define WDOG_CTRL_EM4BLOCK		(1 << 5)
#define WDOG_CTRL_LOCK			(1 << 4)
#define WDOG_CTRL_EM3RUN		(1 << 3)
#define WDOG_CTRL_EM2RUN		(1 << 2)
#define WDOG_CTRL_DEBUGRUN		(1 << 1)
#define WDOG_CTRL_EN			(1 << 0)

/* WDOG_CMD */
#define WDOG_CMD_CLEAR			(1 << 0)

/* WDOG_SYNCBUSY */
#define WDOG_SYNCBUSY_CMD		(1 << 1)
#define WDOG_SYNCBUSY_CTRL		(1 << 0)

#endif
/** @cond */
#else
#warning "wdog_common_hglg.h should not be included explicitly, only via wdog.h"
#endif
/** @endcond */