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author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-23 15:24:10 +0200 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-23 15:24:10 +0200 |
commit | d9214556b11a8d18ff588e60824c12041d30f791 (patch) | |
tree | 04ab59d13961675811a55c96fb12b2b167b72318 /arch/mips/include/asm/mach-lemote/mc146818rtc.h | |
parent | 72a1419a9d4c859a3345e4b83f8ef7d599d3818c (diff) | |
parent | e82c6106b04b85879d802bbbeaed30d9b10a92e2 (diff) |
Merge branches 'boards' and 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/mips/include/asm/mach-lemote/mc146818rtc.h')
-rw-r--r-- | arch/mips/include/asm/mach-lemote/mc146818rtc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lemote/mc146818rtc.h b/arch/mips/include/asm/mach-lemote/mc146818rtc.h new file mode 100644 index 00000000000..ed5147e1108 --- /dev/null +++ b/arch/mips/include/asm/mach-lemote/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, 07 by Ralf Baechle (ralf@linux-mips.org) + * + * RTC routines for PC style attached Dallas chip. + */ +#ifndef __ASM_MACH_LEMOTE_MC146818RTC_H +#define __ASM_MACH_LEMOTE_MC146818RTC_H + +#include <linux/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 0 + +#ifndef mc146818_decode_year +#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970) +#endif + +#endif /* __ASM_MACH_LEMOTE_MC146818RTC_H */ |