diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 17:12:16 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 17:12:16 +0900 |
commit | 4db25d496c09fdf094d52d11a90ae51f9ee473c6 (patch) | |
tree | 77ab8003db1d6ccbcf3a9acafad26002fba37b63 /arch/m32r/include/asm/mc146818rtc.h | |
parent | b8c193f88ebd8705b3e916532539031cd9fc0b4c (diff) | |
parent | 8c31813f31cd4403b46802866949a95a6e8fa584 (diff) |
Merge branch 'sh/stable-updates' into sh/for-2.6.30
Diffstat (limited to 'arch/m32r/include/asm/mc146818rtc.h')
-rw-r--r-- | arch/m32r/include/asm/mc146818rtc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/mc146818rtc.h b/arch/m32r/include/asm/mc146818rtc.h new file mode 100644 index 00000000000..aa1b7bf84f5 --- /dev/null +++ b/arch/m32r/include/asm/mc146818rtc.h @@ -0,0 +1,29 @@ +/* + * Machine dependent access functions for RTC registers. + */ +#ifndef _ASM_MC146818RTC_H +#define _ASM_MC146818RTC_H + +#include <asm/io.h> + +#ifndef RTC_PORT +#define RTC_PORT(x) ((x)) +#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ +#endif + +/* + * The yet supported machines all access the RTC index register via + * an ISA port access but the way to access the date register differs ... + */ +#define CMOS_READ(addr) ({ \ +outb_p((addr),RTC_PORT(0)); \ +inb_p(RTC_PORT(1)); \ +}) +#define CMOS_WRITE(val, addr) ({ \ +outb_p((addr),RTC_PORT(0)); \ +outb_p((val),RTC_PORT(1)); \ +}) + +#define RTC_IRQ 8 + +#endif /* _ASM_MC146818RTC_H */ |