initial import of NetBSD tree

1 files changed, 110 insertions, 0 deletions

diff --git a/sys/arch/alpha/tc/sccvar.h b/sys/arch/alpha/tc/sccvar.h
new file mode 100644
index 00000000000..c00d7142077
--- /dev/null
+++ b/sys/arch/alpha/tc/sccvar.h
@@ -0,0 +1,110 @@
+/*	$NetBSD: sccvar.h,v 1.2 1995/08/03 00:52:23 cgd Exp $	*/
+
+/* 
+ * Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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 the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	from: @(#)sccreg.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Definitions for Intel 82530 serial communications chip.  Each chip is a
+ * dual uart with the A channels used for the keyboard and mouse with the B
+ * channel(s) for comm ports with modem control. Since some registers are
+ * used for the other channel, the following macros are used to access the
+ * register ports.
+ */
+
+#if 1
+#define alpha_sparse
+#endif
+
+#define	DENSE
+#ifdef	alpha_sparse
+#undef	DENSE
+#define	SPARSE
+#endif
+
+typedef struct {
+	struct {
+		volatile u_int	scc_command;	/* Register select. */
+#ifdef SPARSE
+		u_int		scc_pad0;
+#endif
+		volatile u_int	scc_data;	/* Rx/Tx buffer */
+#ifdef SPARSE
+		u_int		scc_pad1;
+#endif
+	} scc_channel[2];
+} scc_regmap_t;
+
+#define	scc_get_datum(d, v) \
+	do { (v) = ((d) >> 8) & 0xff; } while (0)
+#define	scc_set_datum(d, v) \
+	do { (d) = (volatile unsigned int)(v) << 8; wbflush(); } while (0)
+
+/*
+ * Minor device numbers for scc.  Weird because B channel comes first and
+ * the A channels are wired for keyboard/mouse and the B channels for the
+ * comm port(s).
+ */
+#define	SCCCOMM2_PORT	0x0
+#define	SCCMOUSE_PORT	0x1
+#define	SCCCOMM3_PORT	0x2
+#define	SCCKBD_PORT	0x3