rt-thread/libcpu/arm/at91sam926x/at91_pit.h

/*
 * File      : at91_pit.h
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006, RT-Thread Develop Team
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://openlab.rt-thread.com/license/LICENSE
 *
 * Change Logs:
 * Date           Author       Notes
 * 2011-01-13     weety      first version
 */

#ifndef AT91_PIT_H
#define AT91_PIT_H

#ifdef __cplusplus
extern "C" {
#endif

#define AT91_PIT_MR		(AT91_PIT + 0x00)	/* Mode Register */
#define		AT91_PIT_PITIEN		(1 << 25)		/* Timer Interrupt Enable */
#define		AT91_PIT_PITEN		(1 << 24)		/* Timer Enabled */
#define		AT91_PIT_PIV		(0xfffff)		/* Periodic Interval Value */

#define AT91_PIT_SR		(AT91_PIT + 0x04)	/* Status Register */
#define		AT91_PIT_PITS		(1 << 0)		/* Timer Status */

#define AT91_PIT_PIVR		(AT91_PIT + 0x08)	/* Periodic Interval Value Register */
#define AT91_PIT_PIIR		(AT91_PIT + 0x0c)	/* Periodic Interval Image Register */
#define		AT91_PIT_PICNT		(0xfff << 20)		/* Interval Counter */
#define		AT91_PIT_CPIV		(0xfffff)		/* Inverval Value */

#ifdef __cplusplus
}
#endif

#endif