1384740dcSRalf Baechle /* 2384740dcSRalf Baechle * RTC definitions for DECstation style attached Dallas DS1287 chip. 3384740dcSRalf Baechle * 4384740dcSRalf Baechle * Copyright (C) 1998, 2001 by Ralf Baechle 5384740dcSRalf Baechle * Copyright (C) 1998 by Harald Koerfgen 6384740dcSRalf Baechle * Copyright (C) 2002, 2005 Maciej W. Rozycki 7384740dcSRalf Baechle * 8384740dcSRalf Baechle * This program is free software; you can redistribute it and/or 9384740dcSRalf Baechle * modify it under the terms of the GNU General Public License 10384740dcSRalf Baechle * as published by the Free Software Foundation; either version 11384740dcSRalf Baechle * 2 of the License, or (at your option) any later version. 12384740dcSRalf Baechle */ 13384740dcSRalf Baechle #ifndef __ASM_MIPS_DEC_RTC_DEC_H 14384740dcSRalf Baechle #define __ASM_MIPS_DEC_RTC_DEC_H 15384740dcSRalf Baechle 16384740dcSRalf Baechle #include <linux/types.h> 17384740dcSRalf Baechle #include <asm/addrspace.h> 18384740dcSRalf Baechle #include <asm/dec/system.h> 19384740dcSRalf Baechle 20384740dcSRalf Baechle extern volatile u8 *dec_rtc_base; 21384740dcSRalf Baechle 22384740dcSRalf Baechle #define ARCH_RTC_LOCATION 23384740dcSRalf Baechle 24384740dcSRalf Baechle #define RTC_PORT(x) CPHYSADDR((long)dec_rtc_base) 25384740dcSRalf Baechle #define RTC_IO_EXTENT dec_kn_slot_size 26384740dcSRalf Baechle #define RTC_IOMAPPED 0 27384740dcSRalf Baechle #undef RTC_IRQ 28384740dcSRalf Baechle 29384740dcSRalf Baechle #define RTC_DEC_YEAR 0x3f /* Where we store the real year on DECs. */ 30384740dcSRalf Baechle 31384740dcSRalf Baechle static inline unsigned char CMOS_READ(unsigned long addr) 32384740dcSRalf Baechle { 33384740dcSRalf Baechle return dec_rtc_base[addr * 4]; 34384740dcSRalf Baechle } 35384740dcSRalf Baechle 36384740dcSRalf Baechle static inline void CMOS_WRITE(unsigned char data, unsigned long addr) 37384740dcSRalf Baechle { 38384740dcSRalf Baechle dec_rtc_base[addr * 4] = data; 39384740dcSRalf Baechle } 40384740dcSRalf Baechle 41384740dcSRalf Baechle #define RTC_ALWAYS_BCD 0 42384740dcSRalf Baechle 43384740dcSRalf Baechle #endif /* __ASM_MIPS_DEC_RTC_DEC_H */ 44