+++ /dev/null
-/** @file\r
- Module produces PciCfgPpi2 on top of PciCfgPpi. It also updates the \r
- PciCfg2Ppi pointer in the EFI_PEI_SERVICES upon a installation of\r
- EcpPeiPciCfgPpi. \r
-\r
- EcpPeiPciCfgPpi is installed by a framework module which\r
- produce PciCfgPpi originally. Such framework module is updated based on the \r
- following rule to install EcpPeiPciCfgPpi instead of updating the PciCfg pointer\r
- in the Framework PeiServicesTable: \r
- \r
- Search pattern:\r
- PeiServices->PciCfg = <*>;\r
- Replace pattern:\r
- {\r
- static EFI_PEI_PPI_DESCRIPTOR gEcpPeiPciCfgPpiList = {\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEcpPeiPciCfgPpiGuid,\r
- <*>\r
- };\r
- (**PeiServices).InstallPpi (PeiServices, gEcpPeiPciCfgPpiList);\r
- }\r
- \r
- In addition, the PeiServicesTable definition in PeiApi.h is updated to\r
- \r
- struct _EFI_PEI_SERVICES {\r
- EFI_TABLE_HEADER Hdr;\r
- ...\r
- \r
- //\r
- // Pointer to PPI interface\r
- //\r
- if (PI_SPECIFICATION_VERSION < 0x00010000)\r
- \r
- PEI_CPU_IO_PPI *CpuIo;\r
- ECP_PEI_PCI_CFG_PPI *PciCfg; //Changed.\r
- else\r
- ...\r
- endif\r
- \r
- };\r
- \r
- This change enable the detection of code segment which invokes PeiServices->PciCfg->Modify.\r
- Such code causes a build break as ECP_PEI_PCI_CFG_PPI does not has "Modify" field. \r
- This should be updated to a call to PeiLibPciCfgModify as shown below:\r
- \r
- Search pattern:\r
- *->Modify(<*>); \r
- Replace pattern:\r
- PeiLibPciCfgModify(<*>);\r
-\r
-\r
-\r
-PIWG's PI specification replaces Inte's EFI Specification 1.10.\r
-EFI_PEI_PCI_CFG_PPI defined in Inte's EFI Specification 1.10 is replaced by\r
-EFI_PEI_PCI_CFG2_PPI in PI 1.0.\r
-This module produces PciCfgPpi on top of PciCfgPpi2. This module is used on platform when both of\r
-these two conditions are true:\r
-1) Framework module present that produces PCI CFG PPI AND\r
-2) PI module that produces PCI CFG2 is not present\r
-\r
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include <PiPei.h>\r
-#include <Ppi/PciCfg.h>\r
-#include <Ppi/PciCfg2.h>\r
-#include <Ppi/EcpPciCfg.h>\r
-#include <Library/DebugLib.h>\r
-\r
-//\r
-// Function Prototypes \r
-//\r
-\r
-/**\r
- Notification service to be called when gEcpPeiPciCfgPpiGuid is installed.\r
-\r
- @param PeiServices Indirect reference to the PEI Services Table.\r
- @param NotifyDescriptor Address of the notification descriptor data structure. Type\r
- EFI_PEI_NOTIFY_DESCRIPTOR is defined above.\r
- @param Ppi Address of the PPI that was installed.\r
-\r
- @retval EFI_STATUS This function will install a PPI to PPI database. The status\r
- code will be the code for (*PeiServices)->InstallPpi.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-EcpPciCfgPpiNotifyCallback (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
- IN VOID *Ppi\r
- );\r
-\r
-//\r
-// Function Prototypes\r
-//\r
-/**\r
- Reads from a given location in the PCI configuration space.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes.\r
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
-\r
- @param Address The physical address of the access. The format of\r
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
-\r
- @param Buffer A pointer to the buffer of data..\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this\r
- time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Read (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN OUT VOID *Buffer\r
- );\r
-\r
-/**\r
- Write to a given location in the PCI configuration space.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes.\r
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
-\r
- @param Address The physical address of the access. The format of\r
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
-\r
- @param Buffer A pointer to the buffer of data..\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Write (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN OUT VOID *Buffer\r
- );\r
-\r
-/**\r
- PCI read-modify-write operation.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table\r
- published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes. Type\r
- EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().\r
-\r
- @param Address The physical address of the access.\r
-\r
- @param SetBits Points to value to bitwise-OR with the read configuration value.\r
- The size of the value is determined by Width.\r
-\r
- @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.\r
- The size of the value is determined by Width.\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting\r
- the operation at this time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Modify (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN VOID *SetBits,\r
- IN VOID *ClearBits\r
- );\r
-\r
-//\r
-// Module globals\r
-//\r
-EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnEcpPciCfgList = {\r
- (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEcpPeiPciCfgPpiGuid,\r
- EcpPciCfgPpiNotifyCallback \r
-};\r
-\r
-EFI_PEI_PCI_CFG2_PPI mPciCfg2Ppi = {\r
- PciCfg2Read,\r
- PciCfg2Write,\r
- PciCfg2Modify,\r
- 0\r
-};\r
-\r
-EFI_PEI_PPI_DESCRIPTOR mPpiListPciCfg2 = {\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEfiPciCfg2PpiGuid,\r
- &mPciCfg2Ppi\r
-};\r
-\r
-\r
-/**\r
-\r
- Standard PEIM entry point.\r
-\r
- @param FileHandle Handle of the file being invoked.\r
- @param PeiServices General purpose services available to every PEIM.\r
-\r
- @retval EFI_SUCCESS The interface could be successfully installed.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PeimInitializePciCfg2 (\r
- IN EFI_PEI_FILE_HANDLE FileHandle,\r
- IN CONST EFI_PEI_SERVICES **PeiServices\r
- )\r
-{\r
- EFI_STATUS Status;\r
- VOID *Ppi;\r
-\r
- //\r
- // Make sure no other module has install the first instance of gEfiPciCfg2PpiGuid.\r
- //\r
- Status = (*PeiServices)->LocatePpi (PeiServices, &gEfiPciCfg2PpiGuid, 0, NULL, &Ppi);\r
- ASSERT (Status == EFI_NOT_FOUND);\r
-\r
- //\r
- // Register a notification for ECP PCI CFG PPI\r
- //\r
- Status = (*PeiServices)->NotifyPpi (PeiServices, &mNotifyOnEcpPciCfgList);\r
- ASSERT_EFI_ERROR (Status);\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Notification service to be called when gEcpPeiPciCfgPpiGuid is installed.\r
-\r
- @param PeiServices Indirect reference to the PEI Services Table.\r
- @param NotifyDescriptor Address of the notification descriptor data structure. Type\r
- EFI_PEI_NOTIFY_DESCRIPTOR is defined above.\r
- @param Ppi Address of the PPI that was installed.\r
-\r
- @retval EFI_STATUS This function will install a PPI to PPI database. The status\r
- code will be the code for (*PeiServices)->InstallPpi.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-EcpPciCfgPpiNotifyCallback (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
- IN VOID *Ppi\r
- )\r
-{\r
- //\r
- // When ECP PCI CFG PPI is installed, publish the PCI CFG2 PPI in the \r
- // PEI Services Table and the PPI database\r
- //\r
- (*PeiServices)->PciCfg = &mPciCfg2Ppi;\r
- return (*PeiServices)->InstallPpi ((CONST EFI_PEI_SERVICES **)PeiServices, &mPpiListPciCfg2);\r
-}\r
-\r
-/**\r
- Reads from a given location in the PCI configuration space.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes.\r
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
-\r
- @param Address The physical address of the access. The format of\r
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
-\r
- @param Buffer A pointer to the buffer of data..\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this\r
- time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Read (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN OUT VOID *Buffer\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PEI_PCI_CFG_PPI *PciCfg;\r
-\r
- Status = (*PeiServices)->LocatePpi (\r
- PeiServices,\r
- &gEcpPeiPciCfgPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&PciCfg\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return PciCfg->Read ((EFI_PEI_SERVICES **)PeiServices, PciCfg, Width, Address, Buffer);\r
-}\r
-\r
-/**\r
- Write to a given location in the PCI configuration space.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes.\r
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
-\r
- @param Address The physical address of the access. The format of\r
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
-\r
- @param Buffer A pointer to the buffer of data..\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this\r
- time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Write (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN OUT VOID *Buffer\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PEI_PCI_CFG_PPI *PciCfg;\r
-\r
- Status = (*PeiServices)->LocatePpi (\r
- PeiServices,\r
- &gEcpPeiPciCfgPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&PciCfg\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return PciCfg->Write ((EFI_PEI_SERVICES **)PeiServices, PciCfg, Width, Address, Buffer);\r
-}\r
-\r
-/**\r
- PCI read-modify-write operation.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table\r
- published by the PEI Foundation.\r
-\r
- @param This Pointer to local data for the interface.\r
-\r
- @param Width The width of the access. Enumerated in bytes. Type\r
- EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().\r
-\r
- @param Address The physical address of the access.\r
-\r
- @param SetBits Points to value to bitwise-OR with the read configuration value.\r
- The size of the value is determined by Width.\r
-\r
- @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.\r
- The size of the value is determined by Width.\r
-\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
-\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
-\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting\r
- the operation at this time.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PciCfg2Modify (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
- IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
- IN UINT64 Address,\r
- IN VOID *SetBits,\r
- IN VOID *ClearBits\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PEI_PCI_CFG_PPI *PciCfg;\r
-\r
- Status = (*PeiServices)->LocatePpi (\r
- PeiServices,\r
- &gEfiPciCfgPpiInServiceTableGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&PciCfg\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return PciCfg->Modify ((EFI_PEI_SERVICES **)PeiServices, PciCfg, Width, Address, *(UINTN *)SetBits, *(UINTN *)ClearBits);\r
-}\r
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