Add support for the SBus, which is used in early Sun UltraSPARC machines.

Ported from NetBSD.

1 files changed, 128 insertions, 0 deletions

diff --git a/sys/sparc64/sbus/sbusvar.h b/sys/sparc64/sbus/sbusvar.h
new file mode 100644
index 0000000..74f7f67
--- /dev/null
+++ b/sys/sparc64/sbus/sbusvar.h
@@ -0,0 +1,128 @@
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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, Lawrence Berkeley Laboratory.
+ *
+ * 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: @(#)sbusvar.h	8.1 (Berkeley) 6/11/93
+ *	from: NetBSD: sbusvar.h,v 1.7 1999/06/05 05:30:43 mrg Exp
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SPARC64_SBUS_SBUSVAR_H_
+#define _SPARC64_SBUS_SBUSVAR_H_
+
+/*
+ * PROM-reported DMA burst sizes for the SBus
+ */
+#define SBUS_BURST_1	0x1
+#define SBUS_BURST_2	0x2
+#define SBUS_BURST_4	0x4
+#define SBUS_BURST_8	0x8
+#define SBUS_BURST_16	0x10
+#define SBUS_BURST_32	0x20
+#define SBUS_BURST_64	0x40
+
+/* Used if no burst sizes are specified for the bus. */
+#define	SBUS_BURST_DEF \
+	(SBUS_BURST_1 | SBUS_BURST_2 | SBUS_BURST_4 | SBUS_BURST_8 | 	\
+	SBUS_BURST_16)
+
+enum sbus_device_ivars {
+	SBUS_IVAR_BURSTSZ,
+	SBUS_IVAR_CLOCKFREQ,
+	SBUS_IVAR_COMPAT,
+	SBUS_IVAR_NAME,
+	SBUS_IVAR_NODE,
+	SBUS_IVAR_SLOT,
+	SBUS_IVAR_DEVICE_TYPE,
+};
+
+/*
+ * Simplified accessors for sbus devices
+ */
+#define SBUS_ACCESSOR(var, ivar, type) \
+	__BUS_ACCESSOR(sbus, var, SBUS, ivar, type)
+
+SBUS_ACCESSOR(burstsz,		BURSTSZ,	int)
+SBUS_ACCESSOR(clockfreq,	CLOCKFREQ,	int)
+SBUS_ACCESSOR(compat,		COMPAT,		char *)
+SBUS_ACCESSOR(name,		NAME,		char *)
+SBUS_ACCESSOR(node,		NODE,		phandle_t)
+SBUS_ACCESSOR(slot,		SLOT,		int)
+SBUS_ACCESSOR(device_type,	DEVICE_TYPE,	char *)
+
+#undef EBUS_ACCESSOR
+
+#endif /* _SPARC64_SBUS_SBUSVAR_H_ */