diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg2.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg2.c | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg2.c b/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg2.c deleted file mode 100644 index 852476ddd0..0000000000 --- a/IntelFrameworkModulePkg/Universal/PcatSingleSegmentPciCfgPei/PciCfg2.c +++ /dev/null @@ -1,405 +0,0 @@ -/**
-
- 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.
-
-**/
-
-#include "PciCfgInternal.h"
-
-/**
- @par Ppi Description:
- The EFI_PEI_PCI_CFG2_PPI interfaces are used to abstract
- accesses to PCI controllers behind a PCI root bridge
- controller.
-
- @param Read PCI read services. See the Read() function description.
-
- @param Write PCI write services. See the Write() function description.
-
- @param Modify PCI read-modify-write services. See the Modify() function description.
-
- @param Segment The PCI bus segment which the specified functions will access.
-
-**/
-GLOBAL_REMOVE_IF_UNREFERENCED
-EFI_PEI_PCI_CFG2_PPI gPciCfg2Ppi = {
- PciCfg2Read,
- PciCfg2Write,
- PciCfg2Modify
-};
-
-GLOBAL_REMOVE_IF_UNREFERENCED
-EFI_PEI_PPI_DESCRIPTOR gPciCfg2PpiList = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPciCfg2PpiGuid,
- &gPciCfg2Ppi
-};
-
-
-/**
- @par Ppi Description:
- The EFI_PEI_PCI_CFG_PPI interfaces are used to abstract accesses to PCI
- controllers behind a PCI root bridge controller.
-
- @param Read PCI read services. See the Read() function description.
-
- @param Write PCI write services. See the Write() function description.
-
- @param Modify PCI read-modify-write services. See the Modify() function description.
-
- @param Segment The PCI bus segment which the specified functions will access.
-
-**/
-GLOBAL_REMOVE_IF_UNREFERENCED
-EFI_PEI_PCI_CFG_PPI gPciCfgPpi = {
- PciCfgRead,
- PciCfgWrite,
- PciCfgModify
-};
-
-GLOBAL_REMOVE_IF_UNREFERENCED
-EFI_PEI_PPI_DESCRIPTOR gPciCfgPpiList = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPciCfgPpiInServiceTableGuid,
- &gPciCfgPpi
-};
-
-
-/**
- Convert EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS to PCI_LIB_ADDRESS.
-
- @param Address PCI address with
- EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS format.
-
- @return The PCI address with PCI_LIB_ADDRESS format.
-
-**/
-UINTN
-PciCfgAddressConvert (
- EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *Address
- )
-{
- if (Address->ExtendedRegister == 0) {
- return PCI_LIB_ADDRESS (Address->Bus, Address->Device, Address->Function, Address->Register);
- }
-
- return PCI_LIB_ADDRESS (Address->Bus, Address->Device, Address->Function, Address->ExtendedRegister);
-}
-
-/**
- Reads from a given location in the PCI configuration space.
-
- @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.
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.
-
- @param Address The physical address of the access. The format of
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
-
- @param Buffer A pointer to the buffer of data..
-
-
- @retval EFI_SUCCESS The function completed successfully.
-
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.
-
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
- time.
-
-**/
-EFI_STATUS
-EFIAPI
-PciCfg2Read (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
- IN UINT64 Address,
- IN OUT VOID *Buffer
-)
-{
- UINTN PciLibAddress;
-
- PciLibAddress = PciCfgAddressConvert ((EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *) &Address);
-
- if (Width == EfiPeiPciCfgWidthUint8) {
- *((UINT8 *) Buffer) = PciRead8 (PciLibAddress);
- } else if (Width == EfiPeiPciCfgWidthUint16) {
- if ((PciLibAddress & 0x01) == 0) {
- //
- // Aligned Pci address access
- //
- WriteUnaligned16 (((UINT16 *) Buffer), PciRead16 (PciLibAddress));
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- *((UINT8 *) Buffer) = PciRead8 (PciLibAddress);
- *((UINT8 *) Buffer + 1) = PciRead8 (PciLibAddress + 1);
- }
- } else if (Width == EfiPeiPciCfgWidthUint32) {
- if ((PciLibAddress & 0x03) == 0) {
- //
- // Aligned Pci address access
- //
- WriteUnaligned32 (((UINT32 *) Buffer), PciRead32 (PciLibAddress));
- } else if ((PciLibAddress & 0x01) == 0) {
- //
- // Unaligned Pci address access, break up the request into word by word.
- //
- WriteUnaligned16 (((UINT16 *) Buffer), PciRead16 (PciLibAddress));
- WriteUnaligned16 (((UINT16 *) Buffer + 1), PciRead16 (PciLibAddress + 2));
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- *((UINT8 *) Buffer) = PciRead8 (PciLibAddress);
- *((UINT8 *) Buffer + 1) = PciRead8 (PciLibAddress + 1);
- *((UINT8 *) Buffer + 2) = PciRead8 (PciLibAddress + 2);
- *((UINT8 *) Buffer + 3) = PciRead8 (PciLibAddress + 3);
- }
- } else {
- return EFI_INVALID_PARAMETER;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Write to a given location in the PCI configuration space.
-
- @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.
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.
-
- @param Address The physical address of the access. The format of
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
-
- @param Buffer A pointer to the buffer of data..
-
-
- @retval EFI_SUCCESS The function completed successfully.
-
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.
-
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
- time.
-
-**/
-EFI_STATUS
-EFIAPI
-PciCfg2Write (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
- IN UINT64 Address,
- IN OUT VOID *Buffer
-)
-{
- UINTN PciLibAddress;
-
- PciLibAddress = PciCfgAddressConvert ((EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *) &Address);
-
- if (Width == EfiPeiPciCfgWidthUint8) {
- PciWrite8 (PciLibAddress, *((UINT8 *) Buffer));
- } else if (Width == EfiPeiPciCfgWidthUint16) {
- if ((PciLibAddress & 0x01) == 0) {
- //
- // Aligned Pci address access
- //
- PciWrite16 (PciLibAddress, ReadUnaligned16 ((UINT16 *) Buffer));
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- PciWrite8 (PciLibAddress, *((UINT8 *) Buffer));
- PciWrite8 (PciLibAddress + 1, *((UINT8 *) Buffer + 1));
- }
- } else if (Width == EfiPeiPciCfgWidthUint32) {
- if ((PciLibAddress & 0x03) == 0) {
- //
- // Aligned Pci address access
- //
- PciWrite32 (PciLibAddress, ReadUnaligned32 ((UINT32 *) Buffer));
- } else if ((PciLibAddress & 0x01) == 0) {
- //
- // Unaligned Pci address access, break up the request into word by word.
- //
- PciWrite16 (PciLibAddress, ReadUnaligned16 ((UINT16 *) Buffer));
- PciWrite16 (PciLibAddress + 2, ReadUnaligned16 ((UINT16 *) Buffer + 1));
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- PciWrite8 (PciLibAddress, *((UINT8 *) Buffer));
- PciWrite8 (PciLibAddress + 1, *((UINT8 *) Buffer + 1));
- PciWrite8 (PciLibAddress + 2, *((UINT8 *) Buffer + 2));
- PciWrite8 (PciLibAddress + 3, *((UINT8 *) Buffer + 3));
- }
- } else {
- 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. Type
- EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().
-
- @param Address The physical address of the access.
-
- @param SetBits Points to value to bitwise-OR with the read configuration value.
-
- The size of the value is determined by Width.
-
- @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.
- The size of the value is determined by Width.
-
-
- @retval EFI_SUCCESS The function completed successfully.
-
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.
-
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting
- the operation at this time.
-
-**/
-EFI_STATUS
-EFIAPI
-PciCfg2Modify (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
- IN UINT64 Address,
- IN VOID *SetBits,
- IN VOID *ClearBits
-)
-{
- UINTN PciLibAddress;
- UINT16 ClearValue16;
- UINT16 SetValue16;
- UINT32 ClearValue32;
- UINT32 SetValue32;
-
- PciLibAddress = PciCfgAddressConvert ((EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *) &Address);
-
- if (Width == EfiPeiPciCfgWidthUint8) {
- PciAndThenOr8 (PciLibAddress, (UINT8) (~(*(UINT8 *) ClearBits)), *((UINT8 *) SetBits));
- } else if (Width == EfiPeiPciCfgWidthUint16) {
- if ((PciLibAddress & 0x01) == 0) {
- //
- // Aligned Pci address access
- //
- ClearValue16 = (UINT16) (~ReadUnaligned16 ((UINT16 *) ClearBits));
- SetValue16 = ReadUnaligned16 ((UINT16 *) SetBits);
- PciAndThenOr16 (PciLibAddress, ClearValue16, SetValue16);
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- PciAndThenOr8 (PciLibAddress, (UINT8) (~(*(UINT8 *) ClearBits)), *((UINT8 *) SetBits));
- PciAndThenOr8 (PciLibAddress + 1, (UINT8) (~(*((UINT8 *) ClearBits + 1))), *((UINT8 *) SetBits + 1));
- }
- } else if (Width == EfiPeiPciCfgWidthUint32) {
- if ((PciLibAddress & 0x03) == 0) {
- //
- // Aligned Pci address access
- //
- ClearValue32 = (UINT32) (~ReadUnaligned32 ((UINT32 *) ClearBits));
- SetValue32 = ReadUnaligned32 ((UINT32 *) SetBits);
- PciAndThenOr32 (PciLibAddress, ClearValue32, SetValue32);
- } else if ((PciLibAddress & 0x01) == 0) {
- //
- // Unaligned Pci address access, break up the request into word by word.
- //
- ClearValue16 = (UINT16) (~ReadUnaligned16 ((UINT16 *) ClearBits));
- SetValue16 = ReadUnaligned16 ((UINT16 *) SetBits);
- PciAndThenOr16 (PciLibAddress, ClearValue16, SetValue16);
-
- ClearValue16 = (UINT16) (~ReadUnaligned16 ((UINT16 *) ClearBits + 1));
- SetValue16 = ReadUnaligned16 ((UINT16 *) SetBits + 1);
- PciAndThenOr16 (PciLibAddress + 2, ClearValue16, SetValue16);
- } else {
- //
- // Unaligned Pci address access, break up the request into byte by byte.
- //
- PciAndThenOr8 (PciLibAddress, (UINT8) (~(*(UINT8 *) ClearBits)), *((UINT8 *) SetBits));
- PciAndThenOr8 (PciLibAddress + 1, (UINT8) (~(*((UINT8 *) ClearBits + 1))), *((UINT8 *) SetBits + 1));
- PciAndThenOr8 (PciLibAddress + 2, (UINT8) (~(*((UINT8 *) ClearBits + 2))), *((UINT8 *) SetBits + 2));
- PciAndThenOr8 (PciLibAddress + 3, (UINT8) (~(*((UINT8 *) ClearBits + 3))), *((UINT8 *) SetBits + 3));
- }
- } else {
- return EFI_INVALID_PARAMETER;
- }
- return EFI_SUCCESS;
-}
-
-/**
- Module's entry function.
- This routine will install EFI_PEI_PCI_CFG2_PPI or EFI_PEI_PCI_CFG_PPI
- according to PeiServices's version.
-
- @param FileHandle Handle of the file being invoked.
- @param PeiServices Describes the list of possible PEI Services.
-
- @return Whether success to install service
-**/
-EFI_STATUS
-EFIAPI
-PeimInitializePciCfg (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- EFI_STATUS Status;
-
- Status = EFI_SUCCESS;
-
- if ((**PeiServices).Hdr.Revision < PEI_SERVICES_REVISION) {
- //
- // BugBug: Curently, the FrameworkPkg does not define
- // FRAMEWORK_PEI_SERVICES. So, In order to install
- // the PeiServices.PciCfg(), we casttype
- // EFI_PEI_PCI_CFG_PPI to EFI_PEI_PCI_CFG2_PPI.
- // After defining the FRAMEWORK_PEI_SERVICES. this should
- // be updated as:
- //
- // FrameworkPeiServices = (FRAMEWORK_PEI_SERVICES **) PeiServices;
- // (**FrameworkPeiServices).PciCfg = &mPciCfgPpi;
- //
- (**(EFI_PEI_SERVICES**)PeiServices).PciCfg = (EFI_PEI_PCI_CFG2_PPI *) &gPciCfgPpi;
- } else {
- (**(EFI_PEI_SERVICES**)PeiServices).PciCfg = &gPciCfg2Ppi;
- }
-
- if (!FeaturePcdGet (PcdPciCfgDisable)) {
- Status = (**PeiServices).InstallPpi (PeiServices, &gPciCfgPpiList);
- }
- if (!FeaturePcdGet (PcdPciCfg2Disable)) {
- Status = (**PeiServices).InstallPpi (PeiServices, &gPciCfg2PpiList);
- }
-
- return Status;
-}
-
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