204 lines
5.9 KiB
C
204 lines
5.9 KiB
C
#ifndef __PCI_H_LOADED
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#define __PCI_H_LOADED
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/*****************************************************************************
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Copyright © 1993, 1994 Digital Equipment Corporation,
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Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted, provided
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that the copyright notice and this permission notice appear in all copies
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of software and supporting documentation, and that the name of Digital not
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be used in advertising or publicity pertaining to distribution of the software
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without specific, written prior permission. Digital grants this permission
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provided that you prominently mark, as not part of the original, any
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modifications made to this software or documentation.
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Digital Equipment Corporation disclaims all warranties and/or guarantees
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with regard to this software, including all implied warranties of fitness for
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a particular purpose and merchantability, and makes no representations
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regarding the use of, or the results of the use of, the software and
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documentation in terms of correctness, accuracy, reliability, currentness or
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otherwise; and you rely on the software, documentation and results solely at
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your own risk.
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******************************************************************************/
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/*
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* $Id:
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*
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* This file contains all of the PCI specific definitions required for
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* the PCI bus support within the debug monitor.
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*/
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/*
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* $Log: pci.h,v $
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* Revision 1.1.1.1 1997/10/30 23:27:17 verghese
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* current 10/29/97
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*
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* Revision 1.1 1996/04/15 16:26:54 berc
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* Initial revision
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*
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* Revision 1.11 1994/11/01 11:30:18 rusling
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* Added PCI-PCI bridge support.
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*
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* Revision 1.10 1994/08/05 20:13:47 fdh
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* Updated Copyright header and RCS $Id: identifier.
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*
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* $Log: pci.h,v $
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* Revision 1.1.1.1 1997/10/30 23:27:17 verghese
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* current 10/29/97
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*
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* Revision 1.1 1996/04/15 16:26:54 berc
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* Initial revision
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*
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* Revision 1.11 1994/11/01 11:30:18 rusling
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* Added PCI-PCI bridge support.
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*
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* Revision 1.9 1994/06/20 14:18:59 fdh
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* Fixup header file preprocessor #include conditionals.
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*
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* Revision 1.8 1994/06/19 15:48:04 fdh
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* Changed PCI_H to __PCI_H_LOADED
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*
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* Revision 1.7 1994/06/17 19:34:01 fdh
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* Clean-up...
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*
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* Revision 1.6 1994/01/19 10:22:28 rusling
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* Ported to ALpha Windows NT.
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*
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* Revision 1.5 1993/11/29 14:58:42 rusling
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* Added PCI address checking and conversion routines,
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* PCIMapAddress() and PCIValidAddress().
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*
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* Revision 1.4 1993/11/24 15:23:29 rusling
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* Added PCI_CFG_REG_VENDOR_DEVICE for offset to
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* first longword of the PCI configuration header.
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*
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* Revision 1.3 1993/11/23 10:43:50 rusling
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* Remove per system information.
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*
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* Revision 1.2 1993/11/22 13:17:13 rusling
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* Merged with PCI/21040 changes.
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*
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* Revision 1.1 1993/11/22 12:16:56 rusling
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* Initial revision
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*
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*
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*/
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#ifdef NEEDPCI
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/*
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* Define the PCI device data structure.
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*/
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typedef struct PCIDevice {
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struct PCIBus *parent; /* parent bus */
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struct PCIDevice *next; /* in device chain */
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struct PCIDevice *sibling; /* for this bus */
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ui slot;
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uw vendor;
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uw device;
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ui class;
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ui PCI_IO_Reg;
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ui PCI_IO_Base;
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ui PCI_IO_Size;
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ui PCI_Mem_Reg;
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ui PCI_Mem_Base;
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ui PCI_Mem_Size;
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void (*print)(struct PCIDevice *device);
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struct {
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ui IO : 1;
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ui MEM : 1;
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ui bridge : 1;
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ui allocated : 1;
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} flags;
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} PCIDevice_t;
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typedef struct PCIBus {
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struct PCIBus *parent;
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struct PCIBus *next;
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struct PCIDevice *bridge;
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struct PCIDevice *devices;
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struct PCIBus *children;
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ui PCI_IO_Reg;
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ui PCI_IO_Base;
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ui PCI_IO_Size;
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ui PCI_Mem_Reg;
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ui PCI_Mem_Base;
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ui PCI_Mem_Size;
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unsigned char number;
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unsigned char primary;
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unsigned char secondary;
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unsigned char subordinate;
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} PCIBus_t;
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/*
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* Define some macros for getting at fields in the
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* PCIDevice_t and PCIBus_t typedefs.
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*/
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#define _PCI_IO_Base(device) (device)->PCI_IO_Base
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#define _PCI_IO_Size(device) (device)->PCI_IO_Size
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#define _PCI_Mem_Base(device) (device)->PCI_Mem_Base
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#define _PCI_Mem_Size(device) (device)->PCI_Mem_Size
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#define _PCI_Slot(device) (device)->slot
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#define _PCI_Print(device) (device)->print
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#define _PCI_Bus(device) (device)->parent->number
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/*
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* Declare some maximums.
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*/
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#define PCI_MAX_DEVICES 6 /* bits 31:11 of type 0 */
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#define PCI_21050_MAX_DEVICES 16 /* bits 14:11 of type 1 */
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#define PCI_MAX_BRIDGES 6
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/*
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* The PCI configuration registers.
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*/
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#define PCI_CFG_REG_VENDOR_DEVICE 0x0
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#define PCI_CFG_REG_STATUS_COMMAND 0x4
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/* LONG */
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#define PCI_CFG_REG_REVISION_ID 0x8
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/* BYTE */
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#define PCI_CFG_REG_CLASS_CODE 0x9
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#define PCI_CFG_REG_LATENCY_TIMER 0xD
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/* BYTE */
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#define PCI_CFG_REG_BAR0 0x10
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/* Long */
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#define PCI_CFG_REG_BRIDGE_PRIMARY 0x18
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#define PCI_CFG_REG_BRIDGE_SECONDARY 0x19
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#define PCI_CFG_REG_BRIDGE_SUBORDINATE 0x1a
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#define PCI_CFG_REG_EROM_BASE 0x30
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/* Long */
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/*
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* PCI Vendors and devices.
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*/
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#define DIGITAL 0x1011
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#define DECCHIP_21040 0x0002
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#define DECCHIP_21030 0x0004
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#define PCI_BRIDGE_CLASS 0x060400
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/*
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* Declare all of the externally visible routines in pci.c
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*/
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extern void PCIShow(void);
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extern ui PCIValidAddress(ub * address);
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extern ui PCIMapAddress(ub * address);
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extern void PCIInit(void);
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extern PCIDevice_t *PCIDeviceFind(uw vendor, uw device);
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extern PCIDevice_t *PCIDeviceFindNext(PCIDevice_t *device);
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extern void PCISetDeviceConfig(PCIDevice_t *device);
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#endif /* NEEDPCI */
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#endif /* __PCI_H_LOADED */
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