1 files changed, 26 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/mc146818rtc_mm.h b/arch/m68k/include/asm/mc146818rtc_mm.h
new file mode 100644
index 000000000000..9f70a01f73dc
--- /dev/null
+++ b/arch/m68k/include/asm/mc146818rtc_mm.h
@@ -0,0 +1,26 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef _ASM_MC146818RTC_H
+#define _ASM_MC146818RTC_H
+
+
+#ifdef CONFIG_ATARI
+/* RTC in Atari machines */
+
+#include <asm/atarihw.h>
+
+#define RTC_PORT(x)     (TT_RTC_BAS + 2*(x))
+#define RTC_ALWAYS_BCD  0
+
+#define CMOS_READ(addr) ({ \
+atari_outb_p((addr),RTC_PORT(0)); \
+atari_inb_p(RTC_PORT(1)); \
+})
+#define CMOS_WRITE(val, addr) ({ \
+atari_outb_p((addr),RTC_PORT(0)); \
+atari_outb_p((val),RTC_PORT(1)); \
+})
+#endif /* CONFIG_ATARI */
+
+#endif /* _ASM_MC146818RTC_H */