100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/* ------------------------------------------
|
|
* 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 arc_timer_present(const uint32_t no);
|
|
extern int32_t arc_timer_start(const uint32_t no, const uint32_t mode, const uint32_t val);
|
|
extern int32_t arc_timer_stop(const uint32_t no);
|
|
extern int32_t arc_timer_current(const uint32_t no, void* val);
|
|
extern int32_t arc_timer_int_clear(const uint32_t no);
|
|
extern void arc_timer_init(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ARC_HAL_TIMER_H_ */
|
|
/** }@*/
|