NetBSD 960317 merge

1 files changed, 73 insertions, 0 deletions

diff --git a/sys/dev/pci/ppbreg.h b/sys/dev/pci/ppbreg.h
new file mode 100644
index 00000000000..29542a7233b
--- /dev/null
+++ b/sys/dev/pci/ppbreg.h
@@ -0,0 +1,73 @@
+/*	$OpenBSD: ppbreg.h,v 1.1 1996/04/18 23:48:09 niklas Exp $	*/
+/*	$NetBSD: ppbreg.h,v 1.2 1996/03/14 02:35:35 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1996 Christopher G. Demetriou.  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 Christopher G. Demetriou
+ *	for the NetBSD Project.
+ * 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.
+ */
+
+/*
+ * PCI-PCI Bridge chip register definitions and macros.
+ * Derived from information found in the ``PCI to PCI Bridge
+ * Architecture Specification, Revision 1.0, April 5, 1994.''
+ *
+ * XXX much is missing.
+ */
+
+/*
+ * Register offsets
+ */
+#define	PPB_REG_BASE0		0x10		/* Base Addr Reg. 0 */
+#define	PPB_REG_BASE1		0x14		/* Base Addr Reg. 1 */
+#define	PPB_REG_BUSINFO		0x18		/* Bus information */
+#define	PPB_REG_IOSTATUS	0x1c		/* I/O base+lim & sec stat */
+#define	PPB_REG_MEM		0x20		/* Memory base/limit */
+#define	PPB_REG_PREFMEM		0x24		/* Pref Mem  base/limit */
+#define	PPB_REG_PREFBASE_HI32	0x28		/* Pref Mem base high bits */
+#define	PPB_REG_PREFLIM_HI32	0x2c		/* Pref Mem lim high bits */
+#define	PPB_REG_IO_HI		0x30		/* I/O base+lim high bits */
+#define	PPB_REG_BRIDGECONTROL	PCI_INTERRUPT_REG /* bridge control register */
+
+/*
+ * Macros to extract the contents of the "Bus Info" register.
+ */
+#define	PPB_BUSINFO_PRIMARY(bir)					\
+	    ((bir >>  0) & 0xff)
+#define	PPB_BUSINFO_SECONDARY(bir)					\
+	    ((bir >>  8) & 0xff)
+#define	PPB_BUSINFO_SUBORDINATE(bir)					\
+	    ((bir >> 16) & 0xff)
+#define	PPB_BUSINFO_SECLAT(bir)						\
+	    ((bir >> 24) & 0xff)
+
+/*
+ * Routine to translate between secondary bus interrupt pin/device number and
+ * primary bus interrupt pin number.
+ */
+#define	PPB_INTERRUPT_SWIZZLE(pin, device)				\
+	    ((((pin) + (device) - 1) % 4) + 1)