ofw_pci.h revision 141752
1276789Sdim/*- 2276789Sdim * Copyright (c) 1999 The NetBSD Foundation, Inc. 3276789Sdim * All rights reserved. 4276789Sdim * 5276789Sdim * This code is derived from software contributed to The NetBSD Foundation 6276789Sdim * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 7276789Sdim * NASA Ames Research Center. 8276789Sdim * 9276789Sdim * Redistribution and use in source and binary forms, with or without 10276789Sdim * modification, are permitted provided that the following conditions 11276789Sdim * are met: 12276789Sdim * 1. Redistributions of source code must retain the above copyright 13276789Sdim * notice, this list of conditions and the following disclaimer. 14276789Sdim * 2. Redistributions in binary form must reproduce the above copyright 15276789Sdim * notice, this list of conditions and the following disclaimer in the 16276789Sdim * documentation and/or other materials provided with the distribution. 17276789Sdim * 3. All advertising materials mentioning features or use of this software 18276789Sdim * must display the following acknowledgement: 19276789Sdim * This product includes software developed by the NetBSD 20276789Sdim * Foundation, Inc. and its contributors. 21276789Sdim * 4. Neither the name of The NetBSD Foundation nor the names of its 22276789Sdim * contributors may be used to endorse or promote products derived 23276789Sdim * from this software without specific prior written permission. 24276789Sdim * 25276789Sdim * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26276789Sdim * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27276789Sdim * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28276789Sdim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29276789Sdim * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30276789Sdim * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31276789Sdim * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32276789Sdim * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33276789Sdim * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34276789Sdim * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35276789Sdim * POSSIBILITY OF SUCH DAMAGE. 36276789Sdim * 37276789Sdim * from: NetBSD: ofw_pci.h,v 1.5 2003/10/22 09:04:39 mjl Exp 38276789Sdim * 39276789Sdim * $FreeBSD: head/sys/dev/ofw/ofw_pci.h 141752 2005-02-12 19:12:17Z marius $ 40276789Sdim */ 41276789Sdim 42276789Sdim#ifndef _DEV_OFW_OFW_PCI_H_ 43276789Sdim#define _DEV_OFW_OFW_PCI_H_ 44276789Sdim 45276789Sdim/* 46 * PCI Bus Binding to: 47 * 48 * IEEE Std 1275-1994 49 * Standard for Boot (Initialization Configuration) Firmware 50 * 51 * Revision 2.1 52 */ 53 54/* 55 * Section 2.2.1. Physical Address Formats 56 * 57 * A PCI physical address is represented by 3 address cells: 58 * 59 * phys.hi cell: npt000ss bbbbbbbb dddddfff rrrrrrrr 60 * phys.mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh 61 * phys.lo cell: llllllll llllllll llllllll llllllll 62 * 63 * n nonrelocatable 64 * p prefetchable 65 * t aliased below 1MB (memory) or 64k (i/o) 66 * ss space code 67 * b bus number 68 * d device number 69 * f function number 70 * r register number 71 * h high 32-bits of PCI address 72 * l low 32-bits of PCI address 73 */ 74 75#define OFW_PCI_PHYS_HI_NONRELOCATABLE 0x80000000 76#define OFW_PCI_PHYS_HI_PREFETCHABLE 0x40000000 77#define OFW_PCI_PHYS_HI_ALIASED 0x20000000 78#define OFW_PCI_PHYS_HI_SPACEMASK 0x03000000 79#define OFW_PCI_PHYS_HI_BUSMASK 0x00ff0000 80#define OFW_PCI_PHYS_HI_BUSSHIFT 16 81#define OFW_PCI_PHYS_HI_DEVICEMASK 0x0000f800 82#define OFW_PCI_PHYS_HI_DEVICESHIFT 11 83#define OFW_PCI_PHYS_HI_FUNCTIONMASK 0x00000700 84#define OFW_PCI_PHYS_HI_FUNCTIONSHIFT 8 85#define OFW_PCI_PHYS_HI_REGISTERMASK 0x000000ff 86 87#define OFW_PCI_PHYS_HI_SPACE_CONFIG 0x00000000 88#define OFW_PCI_PHYS_HI_SPACE_IO 0x01000000 89#define OFW_PCI_PHYS_HI_SPACE_MEM32 0x02000000 90#define OFW_PCI_PHYS_HI_SPACE_MEM64 0x03000000 91 92#define OFW_PCI_PHYS_HI_BUS(hi) \ 93 (((hi) & OFW_PCI_PHYS_HI_BUSMASK) >> OFW_PCI_PHYS_HI_BUSSHIFT) 94#define OFW_PCI_PHYS_HI_DEVICE(hi) \ 95 (((hi) & OFW_PCI_PHYS_HI_DEVICEMASK) >> OFW_PCI_PHYS_HI_DEVICESHIFT) 96#define OFW_PCI_PHYS_HI_FUNCTION(hi) \ 97 (((hi) & OFW_PCI_PHYS_HI_FUNCTIONMASK) >> OFW_PCI_PHYS_HI_FUNCTIONSHIFT) 98 99/* 100 * This has the 3 32bit cell values, plus 2 more to make up a 64-bit size. 101 */ 102struct ofw_pci_register { 103 u_int32_t phys_hi; 104 u_int32_t phys_mid; 105 u_int32_t phys_lo; 106 u_int32_t size_hi; 107 u_int32_t size_lo; 108}; 109 110#endif /* _DEV_OFW_OFW_PCI_H_ */ 111