[src/nathanw_sa]: src/sys/arch/atari/dev The register spacing for the Milan i...

[leo <leo%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c5b09ef0f88d
branches:  nathanw_sa
changeset: 504638:c5b09ef0f88d
user:      leo <leo%NetBSD.org@localhost>
date:      Tue Apr 24 06:27:59 2001 +0000

description:
The register spacing for the Milan is different.

diffstat:

 sys/arch/atari/dev/clockreg.h |  70 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 70 insertions(+), 0 deletions(-)

diffs (74 lines):

diff -r de60a3e2c4bf -r c5b09ef0f88d sys/arch/atari/dev/clockreg.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/atari/dev/clockreg.h     Tue Apr 24 06:27:59 2001 +0000
@@ -0,0 +1,70 @@
+/*     $NetBSD: clockreg.h,v 1.5.8.2 2001/04/24 06:27:59 leo Exp $     */
+
+/*
+ * Copyright (c) 1995 Leo Weppelman.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Leo Weppelman.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _CLOCKREG_H
+#define _CLOCKREG_H
+#include "opt_mbtype.h"
+
+/*
+ * Atari TT hardware:
+ * Motorola MC146818A RealTimeClock
+ */
+
+#define        RTC     ((struct rtc *)AD_RTC)
+
+struct rtc {
+       volatile u_char rtc_dat[4];
+};
+
+#ifdef _ATARIHW_
+#define rtc_regno      rtc_dat[1]      /* register nr. select          */
+#define rtc_data       rtc_dat[3]      /* data register                */
+#elif _MILANHW_
+#define rtc_regno      rtc_dat[0]      /* register nr. select          */
+#define rtc_data       rtc_dat[1]      /* data register                */
+#endif
+
+/*
+ * Pull in general mc146818 definitions
+ */
+#include <dev/ic/mc146818reg.h>
+
+/*
+ * Some useful constants/macros
+ */
+#define        is_leap(x)              (!(x % 4) && ((x % 100) || !(x % 1000)))
+#define        range_test(n, l, h)     ((n) < (l) || (n) > (h))
+#define        SECS_DAY                86400L
+#define        SECS_HOUR               3600L
+#define        GEMSTARTOFTIME          ((machineid & ATARI_CLKBROKEN) ? 1970 : 1968)
+#define        BSDSTARTOFTIME          1970
+#endif /* _CLOCKREG_H */