/*- * 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. * * from: NetBSD: ofw_pci.h,v 1.5 2003/10/22 09:04:39 mjl Exp * * $FreeBSD$ */ #ifndef _KERNEL_OPEN_FIRMWARE_PCI_H #define _KERNEL_OPEN_FIRMWARE_PCI_H #include <SupportDefs.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 prefetchable * 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 0x0000f800 #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 #define OFW_PCI_PHYS_HI_BUS(hi) \ (((hi) & OFW_PCI_PHYS_HI_BUSMASK) >> OFW_PCI_PHYS_HI_BUSSHIFT) #define OFW_PCI_PHYS_HI_DEVICE(hi) \ (((hi) & OFW_PCI_PHYS_HI_DEVICEMASK) >> OFW_PCI_PHYS_HI_DEVICESHIFT) #define OFW_PCI_PHYS_HI_FUNCTION(hi) \ (((hi) & OFW_PCI_PHYS_HI_FUNCTIONMASK) >> OFW_PCI_PHYS_HI_FUNCTIONSHIFT) /* * This has the 3 32bit cell values, plus 2 more to make up a 64-bit size. */ struct ofw_pci_register { uint32 phys_hi; uint32 phys_mid; uint32 phys_lo; uint32 size_hi; uint32 size_lo; }; #endif /* _KERNEL_OPEN_FIRMWARE_PCI_H */
