diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 11:55:55 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 22:32:35 +0200 |
| commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
| tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /arch/arm/include/asm/mc146818rtc.h | |
| parent | [ARM] Remove explicit dependency for misc.o from compressed/Makefile (diff) | |
| download | linux-4baa9922430662431231ac637adedddbb0cfb2d7.tar.xz linux-4baa9922430662431231ac637adedddbb0cfb2d7.zip | |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/mc146818rtc.h')
| -rw-r--r-- | arch/arm/include/asm/mc146818rtc.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mc146818rtc.h b/arch/arm/include/asm/mc146818rtc.h new file mode 100644 index 000000000000..7b81e0c42543 --- /dev/null +++ b/arch/arm/include/asm/mc146818rtc.h @@ -0,0 +1,28 @@ +/* + * Machine dependent access functions for RTC registers. + */ +#ifndef _ASM_MC146818RTC_H +#define _ASM_MC146818RTC_H + +#include <asm/arch/irqs.h> +#include <asm/io.h> + +#ifndef RTC_PORT +#define RTC_PORT(x) (0x70 + (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)); \ +}) + +#endif /* _ASM_MC146818RTC_H */ |