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authorPeter Tyser <ptyser@xes-inc.com>2010-04-13 03:28:08 (GMT)
committerWolfgang Denk <wd@denx.de>2010-04-13 07:13:12 (GMT)
commit819833af39a91fa1c1e8252862bbda6f5a602f7b (patch)
treed5c9d1628643347ab2b5a8085acfa6f96709fda3 /arch/ppc/include/asm/mc146818rtc.h
parent61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff)
downloadu-boot-819833af39a91fa1c1e8252862bbda6f5a602f7b.tar.xz
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains non-architecture-specific headers and also matches Linux's directory layout which many U-Boot developers are already familiar with. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/ppc/include/asm/mc146818rtc.h')
-rw-r--r--arch/ppc/include/asm/mc146818rtc.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/mc146818rtc.h b/arch/ppc/include/asm/mc146818rtc.h
new file mode 100644
index 0000000..5f806c4
--- /dev/null
+++ b/arch/ppc/include/asm/mc146818rtc.h
@@ -0,0 +1,27 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef __ASM_PPC_MC146818RTC_H
+#define __ASM_PPC_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_PPC_MC146818RTC_H */