Add some OpenFirmware bus support code and definitions.

1 files changed, 68 insertions, 0 deletions

diff --git a/sys/sparc64/include/ofw_nexus.h b/sys/sparc64/include/ofw_nexus.h
new file mode 100644
index 000000000000..c920a9cfc833
--- /dev/null
+++ b/sys/sparc64/include/ofw_nexus.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1998, 1999 Eduardo E. Horvath
+ * Copyright (c) 1999 Matthew R. Green
+ * 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. 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.
+ *
+ *	from: NetBSD: psychoreg.h,v 1.8 2001/09/10 16:17:06 eeh Exp
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_OFW_UPA_H_
+#define _MACHINE_OFW_UPA_H_
+
+/*
+ * These are the regs and ranges property the psycho uses. They should be
+ * applicable to all UPA devices. XXX: verify this.
+ */
+
+struct upa_regs {
+	u_int32_t	phys_hi;
+	u_int32_t	phys_mid;
+	u_int32_t	phys_lo;
+	u_int32_t	size_hi;
+	u_int32_t	size_lo;
+};
+
+struct upa_ranges {
+	u_int32_t	cspace;
+	u_int32_t	child_hi;
+	u_int32_t	child_lo;
+	u_int32_t	phys_hi;
+	u_int32_t	phys_lo;
+	u_int32_t	size_hi;
+	u_int32_t	size_lo;
+};
+
+#define	UPA_RANGE_CHILD(r) \
+	(((u_int64_t)(r)->child_hi << 32) | (u_int64_t)(r)->child_lo)
+#define	UPA_RANGE_PHYS(r) \
+	(((u_int64_t)(r)->phys_hi << 32) | (u_int64_t)(r)->phys_lo)
+#define	UPA_RANGE_SIZE(r) \
+	(((u_int64_t)(r)->size_hi << 32) | (u_int64_t)(r)->size_lo)
+#define	UPA_RANGE_CS(r)		(((r)->cspace >> 24) & 0x03)
+
+#endif /* !_MACHINE_OFW_UPA_H_ */