diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 04:12:16 -0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 04:12:16 -0400 |
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 000000000000..aa1b7bf84f51 --- /dev/null +++ b/arch/m32r/include/asm/mc146818rtc.h | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * Machine dependent access functions for RTC registers. | ||
3 | */ | ||
4 | #ifndef _ASM_MC146818RTC_H | ||
5 | #define _ASM_MC146818RTC_H | ||
6 | |||
7 | #include <asm/io.h> | ||
8 | |||
9 | #ifndef RTC_PORT | ||
10 | #define RTC_PORT(x) ((x)) | ||
11 | #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ | ||
12 | #endif | ||
13 | |||
14 | /* | ||
15 | * The yet supported machines all access the RTC index register via | ||
16 | * an ISA port access but the way to access the date register differs ... | ||
17 | */ | ||
18 | #define CMOS_READ(addr) ({ \ | ||
19 | outb_p((addr),RTC_PORT(0)); \ | ||
20 | inb_p(RTC_PORT(1)); \ | ||
21 | }) | ||
22 | #define CMOS_WRITE(val, addr) ({ \ | ||
23 | outb_p((addr),RTC_PORT(0)); \ | ||
24 | outb_p((val),RTC_PORT(1)); \ | ||
25 | }) | ||
26 | |||
27 | #define RTC_IRQ 8 | ||
28 | |||
29 | #endif /* _ASM_MC146818RTC_H */ | ||