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authorPaul Mundt <lethal@linux-sh.org>2009-04-21 04:12:16 -0400
committerPaul Mundt <lethal@linux-sh.org>2009-04-21 04:12:16 -0400
commit4db25d496c09fdf094d52d11a90ae51f9ee473c6 (patch)
tree77ab8003db1d6ccbcf3a9acafad26002fba37b63 /arch/m32r/include/asm/mc146818rtc.h
parentb8c193f88ebd8705b3e916532539031cd9fc0b4c (diff)
parent8c31813f31cd4403b46802866949a95a6e8fa584 (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.h29
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) ({ \
19outb_p((addr),RTC_PORT(0)); \
20inb_p(RTC_PORT(1)); \
21})
22#define CMOS_WRITE(val, addr) ({ \
23outb_p((addr),RTC_PORT(0)); \
24outb_p((val),RTC_PORT(1)); \
25})
26
27#define RTC_IRQ 8
28
29#endif /* _ASM_MC146818RTC_H */