root/sys/arch/arm/ep93xx/eprtcreg.h
/*      $NetBSD: eprtcreg.h,v 1.2 2022/03/24 12:12:00 andvar Exp $      */

/*
 * Copyright (c) 2005 HAMAJIMA Katsuomi. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

/*      Cirrus Logic EP9315
        RealTime Clock register
        http://www.cirrus.com/jp/pubs/manual/EP9315_Users_Guide.pdf     */

#ifndef _EPRTCREG_H_
#define _EPRTCREG_H_

#define EP93XX_RTC_Data         0x00    /* RTC Data Register (RO) */
#define EP93XX_RTC_Match        0x04    /* RTC Match Register (R/W) */
#define EP93XX_RTC_Sts          0x08    /* RTC Status/EOI Register (R/W) */
#define  EP93XX_RTC_INTR        (1<<0)  /* Interrupt status */
#define EP93XX_RTC_Load         0x0c    /* RTC Load Register (R/W) */
#define EP93XX_RTC_Ctrl         0x10    /* RTC Control Register (R/W) */
#define  EP93XX_RTC_MIE         (1<<0)  /* Match Interrupt Enable */
#define EP93XX_RTC_SWComp       0x108   /* RTC Software Compensation (R/W) */
#define  EP93XX_RTC_DEL_SHIFT   (1<<16) /* Number of clocks to delete */
#define  EP93XX_RTC_DEL_MASK    0x001f0000
#define  EP93XX_RTC_INT_SHIFT   (1<<0)  /* Counter pre-load Integer value */
#define  EP93XX_RTC_INT_MASK    0x0000ffff

#endif  /* _EPRTCREG_H_ */