u-boot/drivers/rtc/mvrtc.h
Jason Cooper b608b95753 drivers/rtc: add Marvell Integrated RTC
This driver can be used for kirkwood SoCs by enabling CONFIG_RTC_MV.  Tested on
Global Scale Technologies Dreamplug.

Signed-off-by: Jason Cooper <u-boot@lakedaemon.net>
2011-08-04 19:00:34 +02:00

65 lines
1.6 KiB
C

/*
* Copyright (C) 2011
* Jason Cooper <u-boot@lakedaemon.net>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Date & Time support for Marvell Integrated RTC
*/
#ifndef _MVRTC_H_
#define _MVRTC_H_
#include <asm/arch/kirkwood.h>
#include <compiler.h>
/* RTC registers */
struct mvrtc_registers {
u32 time;
u32 date;
};
/* time register */
#define MVRTC_SEC_SFT 0
#define MVRTC_SEC_MSK 0x7f
#define MVRTC_MIN_SFT 8
#define MVRTC_MIN_MSK 0x7f
#define MVRTC_HOUR_SFT 16
#define MVRTC_HOUR_MSK 0x3f
#define MVRTC_DAY_SFT 24
#define MVRTC_DAY_MSK 0x7
/*
* Hour format bit
* 1 = 12 hour clock
* 0 = 24 hour clock
*/
#define MVRTC_HRFMT_MSK 0x00400000
/* date register */
#define MVRTC_DATE_SFT 0
#define MVRTC_DATE_MSK 0x3f
#define MVRTC_MON_SFT 8
#define MVRTC_MON_MSK 0x1f
#define MVRTC_YEAR_SFT 16
#define MVRTC_YEAR_MSK 0xff
#endif