Annotation of sys/dev/ofw/ofw_pci.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ofw_pci.h,v 1.3 2004/10/01 04:08:45 jsg Exp $ */
! 2: /* $NetBSD: ofw_pci.h,v 1.4 2001/02/17 16:28:37 mrg Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1999 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
! 10: * NASA Ames Research Center.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 41: #ifndef _DEV_OFW_OFW_PCI_H_
! 42: #define _DEV_OFW_OFW_PCI_H_
! 43:
! 44: /*
! 45: * PCI Bus Binding to:
! 46: *
! 47: * IEEE Std 1275-1994
! 48: * Standard for Boot (Initialization Configuration) Firmware
! 49: *
! 50: * Revision 2.1
! 51: */
! 52:
! 53: /*
! 54: * Section 2.2.1. Physical Address Formats
! 55: *
! 56: * A PCI physical address is represented by 3 address cells:
! 57: *
! 58: * phys.hi cell: npt000ss bbbbbbbb dddddfff rrrrrrrr
! 59: * phys.mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
! 60: * phys.lo cell: llllllll llllllll llllllll llllllll
! 61: *
! 62: * n nonrelocatable
! 63: * p prefetchable
! 64: * t aliased below 1MB (memory) or 64k (i/o)
! 65: * ss space code
! 66: * b bus number
! 67: * d device number
! 68: * f function number
! 69: * r register number
! 70: * h high 32-bits of PCI address
! 71: * l low 32-bits of PCI address
! 72: */
! 73:
! 74: #define OFW_PCI_PHYS_HI_NONRELOCATABLE 0x80000000
! 75: #define OFW_PCI_PHYS_HI_PREFETCHABLE 0x40000000
! 76: #define OFW_PCI_PHYS_HI_ALIASED 0x20000000
! 77: #define OFW_PCI_PHYS_HI_SPACEMASK 0x03000000
! 78: #define OFW_PCI_PHYS_HI_BUSMASK 0x00ff0000
! 79: #define OFW_PCI_PHYS_HI_BUSSHIFT 16
! 80: #define OFW_PCI_PHYS_HI_DEVICEMASK 0x0000f800
! 81: #define OFW_PCI_PHYS_HI_DEVICESHIFT 11
! 82: #define OFW_PCI_PHYS_HI_FUNCTIONMASK 0x00000700
! 83: #define OFW_PCI_PHYS_HI_FUNCTIONSHIFT 8
! 84: #define OFW_PCI_PHYS_HI_REGISTERMASK 0x000000ff
! 85:
! 86: #define OFW_PCI_PHYS_HI_SPACE_CONFIG 0x00000000
! 87: #define OFW_PCI_PHYS_HI_SPACE_IO 0x01000000
! 88: #define OFW_PCI_PHYS_HI_SPACE_MEM32 0x02000000
! 89: #define OFW_PCI_PHYS_HI_SPACE_MEM64 0x03000000
! 90:
! 91: #define OFW_PCI_PHYS_HI_BUS(hi) \
! 92: (((hi) & OFW_PCI_PHYS_HI_BUSMASK) >> OFW_PCI_PHYS_HI_BUSSHIFT)
! 93: #define OFW_PCI_PHYS_HI_DEVICE(hi) \
! 94: (((hi) & OFW_PCI_PHYS_HI_DEVICEMASK) >> OFW_PCI_PHYS_HI_DEVICESHIFT)
! 95: #define OFW_PCI_PHYS_HI_FUNCTION(hi) \
! 96: (((hi) & OFW_PCI_PHYS_HI_FUNCTIONMASK) >> OFW_PCI_PHYS_HI_FUNCTIONSHIFT)
! 97:
! 98: /*
! 99: * This has the 3 32bit cell values, plus 2 more to make up a 64-bit size.
! 100: */
! 101: struct ofw_pci_register {
! 102: u_int32_t phys_hi;
! 103: u_int32_t phys_mid;
! 104: u_int32_t phys_lo;
! 105: u_int32_t size_hi;
! 106: u_int32_t size_lo;
! 107: };
! 108:
! 109: #endif /* _DEV_OFW_OFW_PCI_H_ */
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