/* 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 */