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authorRalf Baechle <ralf@linux-mips.org>1997-07-24 01:48:48 +0000
committerRalf Baechle <ralf@linux-mips.org>1997-07-24 01:48:48 +0000
commite3135e236980d3aeb2aa231600865764dc1a0d33 (patch)
tree553542a784867d05cb38da90f0b0a22d1a86ef40 /include
parent1247b3e628eee0d73ee710ea2e8326dcdbbfc27e (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.h27
-rw-r--r--include/asm-i386/mc146818rtc.h27
-rw-r--r--include/asm-ppc/mc146818rtc.h19
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