[src/trunk]: src/sys/dev/ofw Define some things related to the PCI Bus bindin...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/231ac4d0aa6a
branches:  trunk
changeset: 472687:231ac4d0aa6a
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Tue May 04 20:08:04 1999 +0000

description:
Define some things related to the PCI Bus binding to OpenFirmware.

diffstat:

 sys/dev/ofw/Makefile  |   4 +-
 sys/dev/ofw/ofw_pci.h |  90 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+), 2 deletions(-)

diffs (107 lines):

diff -r b3d1fc1628c2 -r 231ac4d0aa6a sys/dev/ofw/Makefile
--- a/sys/dev/ofw/Makefile      Tue May 04 20:07:02 1999 +0000
+++ b/sys/dev/ofw/Makefile      Tue May 04 20:08:04 1999 +0000
@@ -1,7 +1,7 @@
-#      $NetBSD: Makefile,v 1.1 1998/06/12 23:22:53 cgd Exp $
+#      $NetBSD: Makefile,v 1.2 1999/05/04 20:08:04 thorpej Exp $
 
 INCSDIR= /usr/include/dev/ofw
 
-INCS=  openfirm.h
+INCS=  ofw_pci.h openfirm.h
 
 .include <bsd.kinc.mk>
diff -r b3d1fc1628c2 -r 231ac4d0aa6a sys/dev/ofw/ofw_pci.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/ofw/ofw_pci.h     Tue May 04 20:08:04 1999 +0000
@@ -0,0 +1,90 @@
+/*     $NetBSD: ofw_pci.h,v 1.1 1999/05/04 20:08:04 thorpej Exp $      */
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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.
+ */
+
+#ifndef _DEV_OFW_OFW_PCI_H_
+#define        _DEV_OFW_OFW_PCI_H_
+
+/*
+ * PCI Bus Binding to:
+ *
+ * IEEE Std 1275-1994
+ * Standard for Boot (Initialization Configuration) Firmware
+ *
+ * Revision 2.1
+ */
+
+/*
+ * Section 2.2.1. Physical Address Formats
+ *
+ * A PCI physical address is represented by 3 address cells:
+ *
+ *     phys.hi cell:   npt000ss bbbbbbbb dddddfff rrrrrrrr
+ *     phys.mid cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
+ *     phys.lo cell:   llllllll llllllll llllllll llllllll
+ *
+ *     n       nonrelocatable
+ *     p       prefectable
+ *     t       aliased below 1MB (memory) or 64k (i/o)
+ *     ss      space code
+ *     b       bus number
+ *     d       device number
+ *     f       function number
+ *     r       register number
+ *     h       high 32-bits of PCI address
+ *     l       low 32-bits of PCI address
+ */
+
+#define        OFW_PCI_PHYS_HI_NONRELOCATABLE  0x80000000
+#define        OFW_PCI_PHYS_HI_PREFETCHABLE    0x40000000
+#define        OFW_PCI_PHYS_HI_ALIASED         0x20000000
+#define        OFW_PCI_PHYS_HI_SPACEMASK       0x03000000
+#define        OFW_PCI_PHYS_HI_BUSMASK         0x00ff0000
+#define        OFW_PCI_PHYS_HI_BUSSHIFT        16
+#define        OFW_PCI_PHYS_HI_DEVICEMASK      0x0000f100
+#define        OFW_PCI_PHYS_HI_DEVICESHIFT     11
+#define        OFW_PCI_PHYS_HI_FUNCTIONMASK    0x00000700
+#define        OFW_PCI_PHYS_HI_FUNCTIONSHIFT   8
+#define        OFW_PCI_PHYS_HI_REGISTERMASK    0x000000ff
+
+#define        OFW_PCI_PHYS_HI_SPACE_CONFIG    0x00000000
+#define        OFW_PCI_PHYS_HI_SPACE_IO        0x01000000
+#define        OFW_PCI_PHYS_HI_SPACE_MEM32     0x02000000
+#define        OFW_PCI_PHYS_HI_SPACE_MEM64     0x03000000
+
+#endif /* _DEV_OFW_OFW_PCI_H_ */