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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* RTC definitions for DECstation style attached Dallas DS1287 chip.
*
* Copyright (C) 1998, 2001 by Ralf Baechle
* Copyright (C) 1998 by Harald Koerfgen
* Copyright (C) 2002, 2005 Maciej W. Rozycki
*/
#ifndef __ASM_MIPS_DEC_RTC_DEC_H
#define __ASM_MIPS_DEC_RTC_DEC_H
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/dec/system.h>
extern volatile u8 *dec_rtc_base;
#define ARCH_RTC_LOCATION
#define RTC_PORT(x) CPHYSADDR((long)dec_rtc_base)
#define RTC_IO_EXTENT dec_kn_slot_size
#define RTC_IOMAPPED 0
#undef RTC_IRQ
#define RTC_DEC_YEAR 0x3f /* Where we store the real year on DECs. */
static inline unsigned char CMOS_READ(unsigned long addr)
{
return dec_rtc_base[addr * 4];
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
dec_rtc_base[addr * 4] = data;
}
#define RTC_ALWAYS_BCD 0
#endif /* __ASM_MIPS_DEC_RTC_DEC_H */
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