diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
commit | 1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch) | |
tree | 1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /arch/mips/include/asm/mach-generic/mc146818rtc.h | |
parent | 69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/mips/include/asm/mach-generic/mc146818rtc.h')
-rw-r--r-- | arch/mips/include/asm/mach-generic/mc146818rtc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/mc146818rtc.h b/arch/mips/include/asm/mach-generic/mc146818rtc.h new file mode 100644 index 00000000000..0b9a942f079 --- /dev/null +++ b/arch/mips/include/asm/mach-generic/mc146818rtc.h @@ -0,0 +1,36 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1998, 2001, 03 by Ralf Baechle + * + * RTC routines for PC style attached Dallas chip. + */ +#ifndef __ASM_MACH_GENERIC_MC146818RTC_H +#define __ASM_MACH_GENERIC_MC146818RTC_H + +#include <asm/io.h> + +#define RTC_PORT(x) (0x70 + (x)) +#define RTC_IRQ 8 + +static inline unsigned char CMOS_READ(unsigned long addr) +{ + outb_p(addr, RTC_PORT(0)); + return inb_p(RTC_PORT(1)); +} + +static inline void CMOS_WRITE(unsigned char data, unsigned long addr) +{ + outb_p(addr, RTC_PORT(0)); + outb_p(data, RTC_PORT(1)); +} + +#define RTC_ALWAYS_BCD 1 + +#ifndef mc146818_decode_year +#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900) +#endif + +#endif /* __ASM_MACH_GENERIC_MC146818RTC_H */ |