Add ISA support code for sparc64.

1 files changed, 83 insertions, 0 deletions

diff --git a/sys/sparc64/isa/ofw_isa.h b/sys/sparc64/isa/ofw_isa.h
new file mode 100644
index 0000000..9402657
--- /dev/null
+++ b/sys/sparc64/isa/ofw_isa.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1999, 2000 Matthew R. Green
+ * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org>
+ * 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: ebus.c,v 1.26 2001/09/10 16:27:53 eeh Exp
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SPARC64_ISA_OFW_ISA_H_
+#define _SPARC64_ISA_OFW_ISA_H_
+
+/*
+ * ISA PROM structures
+ */
+struct isa_regs {
+	u_int32_t	phys_hi;	/* high bits of physaddr */ 
+	u_int32_t	phys_lo;
+	u_int32_t	size;
+};
+
+#define	ISA_REG_PHYS(r) \
+	((((u_int64_t)((r)->phys_hi)) << 32) | ((u_int64_t)(r)->phys_lo))
+
+/* XXX: this is a guess. Verify... */
+struct isa_ranges {
+	u_int32_t	child_hi;
+	u_int32_t	child_lo;
+	u_int32_t	phys_hi;
+	u_int32_t	phys_mid;
+	u_int32_t	phys_lo;
+	u_int32_t	size;
+};
+
+#define	ISA_RANGE_CHILD(r) \
+	((((u_int64_t)((r)->child_hi)) << 32) | ((u_int64_t)(r)->child_lo))
+#define	ISA_RANGE_PS(r)	(((r)->phys_hi >> 24) & 0x03)
+
+struct isa_imap {
+	u_int32_t	phys_hi;	/* high phys addr mask */
+	u_int32_t	phys_lo;	/* low phys addr mask */
+	u_int32_t	intr;		/* interrupt mask */
+	int32_t		cnode;		/* child node */
+	u_int32_t	cintr;		/* child interrupt */
+};
+
+struct isa_imap_msk {
+	u_int32_t	phys_hi;	/* high phys addr */
+	u_int32_t	phys_lo;	/* low phys addr */
+	u_int32_t	intr;		/* interrupt */
+};
+
+/* Map an interrupt property to an INO */
+int ofw_isa_map_intr(struct isa_imap *, int, struct isa_imap_msk *, int,
+    struct isa_regs *, int);
+/* Map an IO range. Returns the resource type of the range. */
+int ofw_isa_map_iorange(struct isa_ranges *, int, u_long *, u_long *);
+
+#endif /* !_SPARC64_ISA_OFW_ISA_H_ */