Next try. ARC tree import. "New" Mips (spim) ARC compliant systems tree.

This tree will eventually suport viritualy all ARC compliant Mips systems,
that is all we can lay our hands on for porting/testing. It will supersede
the pica tree which will be removed shortly when this tree is functioning.

1 files changed, 46 insertions, 0 deletions

diff --git a/sys/arch/arc/include/pio.h b/sys/arch/arc/include/pio.h
new file mode 100644
index 00000000000..04db5b11f34
--- /dev/null
+++ b/sys/arch/arc/include/pio.h
@@ -0,0 +1,46 @@
+/*	$OpenBSD: pio.h,v 1.1 1996/06/24 09:07:17 pefo Exp $	*/
+
+/*
+ * Copyright (c) 1995 Per Fogelstrom.  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 Charles M. Hannum.
+ * 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.
+ */
+
+/*
+ * I/O macros.
+ */
+
+#define	outb(a,v)	(*(volatile unsigned char*)(a) = (v))
+#define	outw(a,v)	(*(volatile unsigned short*)(a) = (v))
+#define	out16(a,v)	outw(a,v)
+#define	outl(a,v)	(*(volatile unsigned int*)(a) = (v))
+#define	out32(a,v)	outl(a,v)
+#define	inb(a)		(*(volatile unsigned char*)(a))
+#define	inw(a)		(*(volatile unsigned short*)(a))
+#define	in16(a)		inw(a)
+#define	inl(a)		(*(volatile unsigned int*)(a))
+#define	in32(a)		inl(a)
+