1) Add PcatSingleSegmentPciCfg2Pei in MdeModulePkg.
2) Add PcatSingleSegmentPciCfgPei in IntelFrameworkModulePkg. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3442 6f19259b-4bc3-4df7-8a09-765794883524
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/*++
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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PciCfg.c
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Abstract:
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Single Segment Pci Configuration PPI
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Revision History
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--*/
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#include "PciCfgInternal.h"
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/**
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PCI read operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param Buffer A pointer to the buffer of data.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Unsupported width
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enumeration.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgRead (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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)
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{
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UINTN PciLibAddress;
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PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
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switch (Width) {
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case EfiPeiPciCfgWidthUint8:
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* (UINT8 *) Buffer = PciRead8 (PciLibAddress);
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break;
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case EfiPeiPciCfgWidthUint16:
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* (UINT16 *) Buffer = PciRead16 (PciLibAddress);
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break;
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case EfiPeiPciCfgWidthUint32:
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* (UINT32 *) Buffer = PciRead32 (PciLibAddress);
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break;
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default:
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return EFI_INVALID_PARAMETER;
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}
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return EFI_SUCCESS;
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}
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/**
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PCI write operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param Buffer A pointer to the buffer of data.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Unsupported width
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enumeration.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgWrite (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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)
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{
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UINTN PciLibAddress;
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PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
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switch (Width) {
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case EfiPeiPciCfgWidthUint8:
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PciWrite8 (PciLibAddress, *(UINT8 *) Buffer);
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break;
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case EfiPeiPciCfgWidthUint16:
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PciWrite16 (PciLibAddress, *(UINT16 *) Buffer);
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break;
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case EfiPeiPciCfgWidthUint32:
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PciWrite32 (PciLibAddress, *(UINT32 *) Buffer);
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break;
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default:
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return EFI_INVALID_PARAMETER;
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}
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return EFI_SUCCESS;
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}
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/**
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PCI read-modify-write operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param SetBits Value of the bits to set.
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@param ClearBits Value of the bits to clear.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER Unsupported width
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enumeration.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgModify (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN UINTN SetBits,
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IN UINTN ClearBits
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)
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{
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UINTN PciLibAddress;
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PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
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switch (Width) {
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case EfiPeiPciCfgWidthUint8:
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PciAndThenOr8 (PciLibAddress, (UINT8)~ClearBits, (UINT8)SetBits);
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break;
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case EfiPeiPciCfgWidthUint16:
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PciAndThenOr16 (PciLibAddress, (UINT16)~ClearBits, (UINT16)SetBits);
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break;
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case EfiPeiPciCfgWidthUint32:
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PciAndThenOr32 (PciLibAddress, (UINT32)~ClearBits, (UINT32)SetBits);
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break;
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default:
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return EFI_INVALID_PARAMETER;
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}
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return EFI_SUCCESS;
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}
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