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/*
* Copyright (C) 1999, 2000, 2005 MIPS Technologies, Inc.
* All rights reserved.
* Authors: Carsten Langgaard <carstenl@mips.com>
* Maciej W. Rozycki <macro@mips.com>
* Copyright (C) 2003, 05 Ralf Baechle (ralf@linux-mips.org)
*
* 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.
*/
#ifndef __ASM_MACH_ATLAS_MC146818RTC_H
#define __ASM_MACH_ATLAS_MC146818RTC_H
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/mips-boards/atlas.h>
#include <asm/mips-boards/atlasint.h>
#define ARCH_RTC_LOCATION
#define RTC_PORT(x) (ATLAS_RTC_ADR_REG + (x) * 8)
#define RTC_IO_EXTENT 0x100
#define RTC_IOMAPPED 0
#define RTC_IRQ ATLAS_INT_RTC
static inline unsigned char CMOS_READ(unsigned long addr)
{
volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0));
volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1));
*ireg = addr;
return *dreg;
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0));
volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1));
*ireg = addr;
*dreg = data;
}
#define RTC_ALWAYS_BCD 0
#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
#endif /* __ASM_MACH_ATLAS_MC146818RTC_H */
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