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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-mips/mach-mips/mc146818rtc.h
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-mips/mach-mips/mc146818rtc.h')
-rw-r--r--include/asm-mips/mach-mips/mc146818rtc.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-mips/mach-mips/mc146818rtc.h b/include/asm-mips/mach-mips/mc146818rtc.h
new file mode 100644
index 00000000000..6730ba06657
--- /dev/null
+++ b/include/asm-mips/mach-mips/mc146818rtc.h
@@ -0,0 +1,48 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2003 by Ralf Baechle
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * RTC routines for Malta style attached PIIX4 device, which contains a
+ * Motorola MC146818A-compatible Real Time Clock.
+ */
+#ifndef __ASM_MACH_MALTA_MC146818RTC_H
+#define __ASM_MACH_MALTA_MC146818RTC_H
+
+#include <asm/io.h>
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/malta.h>
+
+#define RTC_PORT(x) (0x70 + (x))
+#define RTC_IRQ 8
+
+static inline unsigned char CMOS_READ(unsigned long addr)
+{
+ outb(addr, MALTA_RTC_ADR_REG);
+ return inb(MALTA_RTC_DAT_REG);
+}
+
+static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
+{
+ outb(addr, MALTA_RTC_ADR_REG);
+ outb(data, MALTA_RTC_DAT_REG);
+}
+
+#define RTC_ALWAYS_BCD 0
+
+#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
+
+#endif /* __ASM_MACH_MALTA_MC146818RTC_H */