pci.h

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C头文件 代码 · 共 124 行

/* -*-C-*-
 *
 * $Revision: 1.1 $
 *   $Author: jnielsen $
 *     $Date: 2000/02/09 00:35:22 $
 *
 * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
 * ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * Copyright (c) 1995, 1996, 1997, 1998  Microsoft Corporation
 * Copyright (c) 1999 ARM Limited
 * All Rights Reserved
 */
/*++

Module Name:
    pci.h

Abstract:
    Function declarations for high level PCI configuration.

Functions:


Notes:

--*/
#ifndef integrator_pci_h
#define integrator_pci_h

typedef struct tagPCIHostBridgeWindowInfoRec
{
    DWORD dwMemWinBase;
    DWORD dwMemWinSize;
    DWORD dwPCIMemMin;
    DWORD dwPCIMemMax;
    DWORD dwIOWinBase;
    DWORD dwIOWinSize;
    DWORD dwPCIIOMin;
    DWORD dwPCIIOMax;
    BYTE fPCIMemTargetSupported;
} PCIHostBridgeWindowInfoRec;

typedef struct tagPCIMapInfoRec
{
    DWORD dwPCIMemBase;
    DWORD dwPCIMemLimit;
    DWORD dwPCIIOBase;
    DWORD dwPCIIOLimit;
} PCIMapInfoRec;

typedef struct tagPCIDevAddrRec
{
    BYTE bBusNo;
    BYTE bDevNo;
    BYTE bFuncNo;
    BYTE bParentBusNo;
    BYTE bParentDevNo;
    BYTE bParentFuncNo;
} PCIDevAddrRec;

typedef struct tagPCIDevIDRec
{
    WORD wVendorID;
    WORD wDeviceID;
    WORD wSubsystemVendorID;
    WORD wSubsystemID;
} PCIDevIDRec;

/*
 * These error codes are returned as error codes from PCI routines to
 * indicate an error condition on the bus.  These are generated from the
 *  PCI configuration space status register for a given device.
 */
#define PCIE_PARITY_ERROR        0x8000 /* Indicates that PERR# was asserted
                                         * on the interface */
#define PCIE_SYSTEM_ERROR        0x4000 /* Indicates that SERR# was asserted
                                         * on the interface */
#define PCIE_MASTER_ABORT        0x2000 /* Indicates that the interface
                                         * terminated the transaction with a
                                         * master abort while acting as
                                         * a master */
#define PCIE_TARGET_ABORT_MASTER 0x1000 /* Indicates that the interface, while
                                         * acting as a master, received a
                                         * target abort */
#define PCIE_TARGET_ABORT_TARGET 0x0800 /* Indicates that the interface, while
                                         * acting as a target, caused a
                                         * target abort */
#define PCIE_MASTER_PARITY_ERROR 0x0100 /* Indicates that a parity error was
                                         * detected while the interface was
                                         * acting as master */
#define PCIE_MASK               (PCIE_PARITY_ERROR | \
                                 PCIE_SYSTEM_ERROR | \
                                 PCIE_MASTER_ABORT | \
                                 PCIE_TARGET_ABORT_MASTER | \
                                 PCIE_MASTER_PARITY_ERROR )

/*
 * This constant is used to clear PCI errors after they have been read
 * by writing 1's to the used bits.  It is also used to mask off
 * unused bits of the error register when returning errors.
 */

/* Functions called in sdbtest.c */
int  ScanNextPCIDevice(PCIDevAddrRec *pPCIDevice);
int  FindNextPCIDevice(PCIDevIDRec *pPCIDevID, PCIDevAddrRec *pCurDevice);
int  FindPCIParentDevice(PCIDevAddrRec *pTargetDevice);
int  EnumeratePCIBuses(PCIDevAddrRec *pCurBridge, BYTE *pbLastBusNo);
int  ListPCIDevices(void);
int  MapPCIWindows(PCIMapInfoRec *pPCIMapInfo, PCIDevAddrRec *pCurDevice,
                   PCIDevAddrRec *pTargetDevice);

WORD  GetPCIBridgeStatus(PCIDevAddrRec *pPCIDevice);
void  ClearPCIBridgeStatus(PCIDevAddrRec *pPCIDevice);
void  PrintPCIError(WORD wPCIErrorCode);
int   SetPCIBridgeWindows(PCIDevAddrRec *pBridge, PCIMapInfoRec *pPCIMapInfo);
void  OEM_DumpPCIHostInternalRegs(void);

#endif /* ndef integrator_pci_h */

/* EOF pci.h */