/* * Copyright 2000 MontaVista Software Inc. * Author: MontaVista Software, Inc. *         	ppopov@mvista.com or source@mvista.com * * Carsten Langgaard, carstenl@mips.com * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved. * * ######################################################################## * *  This program is free software; you can distribute it and/or modify it *  under the terms of the GNU General Public License (Version 2) as *  published by the Free Software Foundation. * *  This program is distributed in the hope 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. * * ######################################################################## * * RTC routines for ITE8172 MC146818-compatible rtc chip. * */#include <linux/mc146818rtc.h>#include <asm/it8172/it8172.h>#define IT8172_RTC_ADR_REG  (IT8172_PCI_IO_BASE + IT_RTC_BASE)#define IT8172_RTC_DAT_REG  (IT8172_RTC_ADR_REG + 1)static volatile char *rtc_adr_reg = KSEG1ADDR((volatile char *)IT8172_RTC_ADR_REG);static volatile char *rtc_dat_reg = KSEG1ADDR((volatile char *)IT8172_RTC_DAT_REG);unsigned char it8172_rtc_read_data(unsigned long addr){	unsigned char retval;	*rtc_adr_reg = addr;	retval =  *rtc_dat_reg;	return retval;}void it8172_rtc_write_data(unsigned char data, unsigned long addr){	*rtc_adr_reg = addr;	*rtc_dat_reg = data;}static int it8172_rtc_bcd_mode(void){	return 0;}struct rtc_ops it8172_rtc_ops = {	&it8172_rtc_read_data,	&it8172_rtc_write_data,	&it8172_rtc_bcd_mode};