From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/sparc/include/asm/mc146818rtc_64.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 arch/sparc/include/asm/mc146818rtc_64.h

(limited to 'arch/sparc/include/asm/mc146818rtc_64.h')

diff --git a/arch/sparc/include/asm/mc146818rtc_64.h b/arch/sparc/include/asm/mc146818rtc_64.h
new file mode 100644
index 000000000..7238d174e
--- /dev/null
+++ b/arch/sparc/include/asm/mc146818rtc_64.h
@@ -0,0 +1,28 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef __ASM_SPARC64_MC146818RTC_H
+#define __ASM_SPARC64_MC146818RTC_H
+
+#include <asm/io.h>
+
+#ifndef RTC_PORT
+extern unsigned long cmos_regs;
+#define RTC_PORT(x)	(cmos_regs + (x))
+#define RTC_ALWAYS_BCD	0
+#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_SPARC64_MC146818RTC_H */
-- 
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