/* ------------------------------------------ | |
* Copyright (c) 2016, Synopsys, Inc. All rights reserved. | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* 1) Redistributions of source code must retain the above copyright notice, this | |
* list of conditions and the following disclaimer. | |
* 2) Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation and/or | |
* other materials provided with the distribution. | |
* 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may | |
* be used to endorse or promote products derived from this software without | |
* specific prior written permission. | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR | |
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* | |
* \version 2016.05 | |
* \date 2014-07-15 | |
* \author Wayne Ren(Wei.Ren@synopsys.com) | |
--------------------------------------------- */ | |
/** | |
* \file | |
* \ingroup ARC_HAL_MISC_TIMER | |
* \brief header file of ARC internal timer | |
*/ | |
/** | |
* \addtogroup ARC_HAL_MISC_TIMER | |
* @{ | |
*/ | |
#ifndef _ARC_HAL_TIMER_H_ | |
#define _ARC_HAL_TIMER_H_ | |
#include "inc/arc/arc.h" | |
#include "inc/embARC_toolchain.h" | |
/** | |
* \name arc internal timers names | |
* @{ | |
*/ | |
#define TIMER_0 0 /*!< macro name for arc internal timer 0 */ | |
#define TIMER_1 1 /*!< macro name for arc internal timer 1 */ | |
#define TIMER_RTC 2 /*!< macro name for arc internal RTC */ | |
/** @} */ | |
/** | |
* \name bit definition of RTC CTRL reg | |
* @{ | |
*/ | |
#define TIMER_RTC_ENABLE 0x01 /*!< enable RTC */ | |
#define TIMER_RTC_CLEAR 0x02 /* clears the AUX_RTC_LOW and AUX_RTC_HIGH */ | |
#define TIMER_RTC_STATUS_A0 0x40000000 /*!< track bit of atomicity of reads of RTC */ | |
#define TIMER_RTC_STATUS_A1 0x80000000 /*!< track bit of atomicity of reads of RTC */ | |
/** @} */ | |
/** | |
* \name bit definition of timer CTRL reg | |
* @{ | |
*/ | |
#define TIMER_CTRL_IE (1 << 0) /*!< Interrupt when count reaches limit */ | |
#define TIMER_CTRL_NH (1 << 1) /*!< Count only when CPU NOT halted */ | |
#define TIMER_CTRL_W (1 << 2) /*!< watchdog enable */ | |
#define TIMER_CTRL_IP (1 << 3) /*!< interrupt pending */ | |
/** @} */ | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
extern int32_t timer_present(const uint32_t no); | |
extern int32_t timer_start(const uint32_t no, const uint32_t mode, const uint32_t val); | |
extern int32_t timer_stop(const uint32_t no); | |
extern int32_t timer_current(const uint32_t no, void *val); | |
extern int32_t timer_int_clear(const uint32_t no); | |
extern void timer_init(void); | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* _ARC_HAL_TIMER_H_ */ | |
/** }@*/ |