diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-07-24 01:48:48 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 1997-07-24 01:48:48 +0000 |
commit | e3135e236980d3aeb2aa231600865764dc1a0d33 (patch) | |
tree | 553542a784867d05cb38da90f0b0a22d1a86ef40 /include | |
parent | 1247b3e628eee0d73ee710ea2e8326dcdbbfc27e (diff) |
CMOS access macros broken out from <linux/mc146818rtc.h> now also for
the other architectures.
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-alpha/mc146818rtc.h | 27 | ||||
-rw-r--r-- | include/asm-i386/mc146818rtc.h | 27 | ||||
-rw-r--r-- | include/asm-ppc/mc146818rtc.h | 19 |
3 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-alpha/mc146818rtc.h b/include/asm-alpha/mc146818rtc.h new file mode 100644 index 000000000..097703f1c --- /dev/null +++ b/include/asm-alpha/mc146818rtc.h @@ -0,0 +1,27 @@ +/* + * Machine dependent access functions for RTC registers. + */ +#ifndef __ASM_ALPHA_MC146818RTC_H +#define __ASM_ALPHA_MC146818RTC_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_ALPHA_MC146818RTC_H */ diff --git a/include/asm-i386/mc146818rtc.h b/include/asm-i386/mc146818rtc.h new file mode 100644 index 000000000..31eddb2da --- /dev/null +++ b/include/asm-i386/mc146818rtc.h @@ -0,0 +1,27 @@ +/* + * Machine dependent access functions for RTC registers. + */ +#ifndef __ASM_I386_MC146818RTC_H +#define __ASM_I386_MC146818RTC_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_I386_MC146818RTC_H */ diff --git a/include/asm-ppc/mc146818rtc.h b/include/asm-ppc/mc146818rtc.h index 78cf56e00..91f93f598 100644 --- a/include/asm-ppc/mc146818rtc.h +++ b/include/asm-ppc/mc146818rtc.h @@ -10,8 +10,27 @@ #ifndef _MC146818RTC_H #define _MC146818RTC_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)); \ +}) + #ifndef MCRTC_PORT #define MCRTC_PORT(x) (0x70 + (x)) #define MCRTC_ALWAYS_BCD 1 |