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
2007-07-25 11:00:27 +00:00
parent 344e92420f
commit 1223277822
11 changed files with 1255 additions and 0 deletions
--- a/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg.c
+++ b/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg.c
@@ -0,0 +1,174 @@
+/*++
+
+  Copyright (c) 2006 - 2007, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+
+Module Name:
+
+    PciCfg.c
+
+Abstract:
+
+    Single Segment Pci Configuration PPI
+
+Revision History
+
+--*/
+
+#include "PciCfgInternal.h"
+
+
+/**
+  PCI read operation.
+
+  @param  PeiServices    An indirect pointer to the PEI Services Table
+                         published by the PEI Foundation.
+  @param  This           Pointer to local data for the interface.
+  @param  Width          The width of the access. Enumerated in bytes.
+  @param  Address        The physical address of the access.
+  @param  Buffer         A pointer to the buffer of data.
+
+  @retval EFI_SUCCESS             The function completed successfully.
+  @retval EFI_INVALID_PARAMETER   Unsupported width
+                                  enumeration.
+
+**/
+EFI_STATUS
+EFIAPI
+PciCfgRead (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN EFI_PEI_PCI_CFG_PPI          *This,
+  IN EFI_PEI_PCI_CFG_PPI_WIDTH    Width,
+  IN UINT64                       Address,
+  IN OUT VOID                     *Buffer
+  )
+{
+  UINTN  PciLibAddress;
+
+  PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
+	switch (Width) {
+    case EfiPeiPciCfgWidthUint8:
+      * (UINT8 *) Buffer = PciRead8 (PciLibAddress);
+      break;
+
+    case EfiPeiPciCfgWidthUint16:
+      * (UINT16 *) Buffer = PciRead16 (PciLibAddress);
+      break;
+
+    case EfiPeiPciCfgWidthUint32:
+      * (UINT32 *) Buffer = PciRead32 (PciLibAddress);
+      break;
+
+    default:
+      return EFI_INVALID_PARAMETER;
+  }
+	return EFI_SUCCESS;
+}
+
+
+/**
+  PCI write operation.
+
+  @param  PeiServices    An indirect pointer to the PEI Services Table
+                         published by the PEI Foundation.
+  @param  This           Pointer to local data for the interface.
+  @param  Width          The width of the access. Enumerated in bytes.
+  @param  Address        The physical address of the access.
+  @param  Buffer         A pointer to the buffer of data.
+
+  @retval EFI_SUCCESS           The function completed successfully.
+  
+  
+  @retval EFI_INVALID_PARAMETER   Unsupported width
+                                  enumeration.
+  
+**/
+EFI_STATUS
+EFIAPI
+PciCfgWrite (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN EFI_PEI_PCI_CFG_PPI          *This,
+  IN EFI_PEI_PCI_CFG_PPI_WIDTH    Width,
+  IN UINT64                       Address,
+  IN OUT VOID                     *Buffer
+  )
+{
+  UINTN  PciLibAddress;
+
+  PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
+  switch (Width) {
+    case EfiPeiPciCfgWidthUint8:
+      PciWrite8 (PciLibAddress, *(UINT8 *) Buffer);
+      break;
+
+    case EfiPeiPciCfgWidthUint16:
+      PciWrite16 (PciLibAddress, *(UINT16 *) Buffer);
+      break;
+
+    case EfiPeiPciCfgWidthUint32:
+      PciWrite32 (PciLibAddress, *(UINT32 *) Buffer);
+      break;
+
+    default:
+      return EFI_INVALID_PARAMETER;
+	}
+	return EFI_SUCCESS;
+}
+
+
+/**
+  PCI read-modify-write operation.
+
+  @param  PeiServices    An indirect pointer to the PEI Services Table
+                         published by the PEI Foundation.
+  @param  This           Pointer to local data for the interface.
+  @param  Width          The width of the access. Enumerated in bytes.
+  @param  Address        The physical address of the access.
+  @param  SetBits        Value of the bits to set.
+  @param  ClearBits      Value of the bits to clear.
+
+  @retval EFI_SUCCESS             The function completed successfully.
+  @retval EFI_INVALID_PARAMETER   Unsupported width
+                                  enumeration.
+
+**/
+EFI_STATUS
+EFIAPI
+PciCfgModify (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN EFI_PEI_PCI_CFG_PPI          *This,
+  IN EFI_PEI_PCI_CFG_PPI_WIDTH    Width,
+  IN UINT64                       Address,
+  IN UINTN                        SetBits,
+  IN UINTN                        ClearBits
+  )
+{
+  UINTN  PciLibAddress;
+
+  PciLibAddress = COMMON_TO_PCILIB_ADDRESS (Address);
+	switch (Width) {
+    case EfiPeiPciCfgWidthUint8:
+      PciAndThenOr8 (PciLibAddress, (UINT8)~ClearBits, (UINT8)SetBits);
+      break;
+
+    case EfiPeiPciCfgWidthUint16:
+      PciAndThenOr16 (PciLibAddress, (UINT16)~ClearBits, (UINT16)SetBits);
+      break;
+
+    case EfiPeiPciCfgWidthUint32:
+      PciAndThenOr32 (PciLibAddress, (UINT32)~ClearBits, (UINT32)SetBits);
+      break;
+
+    default:
+      return EFI_INVALID_PARAMETER;
+  }
+	return EFI_SUCCESS;
+}