diff options
Diffstat (limited to 'include/asm-mips/mach-dec/mc146818rtc.h')
| -rw-r--r-- | include/asm-mips/mach-dec/mc146818rtc.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-mips/mach-dec/mc146818rtc.h b/include/asm-mips/mach-dec/mc146818rtc.h new file mode 100644 index 000000000000..a326f451253b --- /dev/null +++ b/include/asm-mips/mach-dec/mc146818rtc.h @@ -0,0 +1,46 @@ +/* + * 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 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MIPS_DEC_RTC_DEC_H +#define __ASM_MIPS_DEC_RTC_DEC_H + +#include <linux/types.h> + +#include <asm/addrspace.h> + +extern volatile u8 *dec_rtc_base; +extern unsigned long dec_kn_slot_size; + +#define RTC_PORT(x) CPHYSADDR(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. */ + +#include <linux/mc146818rtc.h> +#include <linux/module.h> +#include <linux/types.h> + +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 */ |