Move BaseCachingPciExpressLib library from ArmVirtPkg to under OvmfPkg.
RISC-V Virt platform can leverage the same library to access PCI Express
registers through PCI Express base address set in PcdPciExpressBaseAddress
and cached in a global variable.
Cc: Daniel Schaefer <daniel.schaefer@hpe.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Abner Chang <abner.chang@hpe.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
\r
# PCI Libraries\r
PciLib|MdePkg/Library/BasePciLibPciExpress/BasePciLibPciExpress.inf\r
- PciExpressLib|ArmVirtPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
+ PciExpressLib|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf\r
PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf\r
PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf\r
ArmPkg/Drivers/ArmPciCpuIo2Dxe/ArmPciCpuIo2Dxe.inf {\r
<LibraryClasses>\r
NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf\r
- NULL|ArmVirtPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
+ NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
}\r
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf {\r
<LibraryClasses>\r
NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf\r
- NULL|ArmVirtPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
+ NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
}\r
MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf {\r
<LibraryClasses>\r
NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf\r
- NULL|ArmVirtPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
+ NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf\r
}\r
OvmfPkg/VirtioPciDeviceDxe/VirtioPciDeviceDxe.inf\r
OvmfPkg/Virtio10Dxe/Virtio10.inf\r
+++ /dev/null
-## @file\r
-# Instance of PCI Express Library using the 256 MB PCI Express MMIO window.\r
-#\r
-# PCI Express Library that uses the 256 MB PCI Express MMIO window to perform\r
-# PCI Configuration cycles. Layers on top of an I/O Library instance.\r
-#\r
-# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
-#\r
-# SPDX-License-Identifier: BSD-2-Clause-Patent\r
-#\r
-#\r
-##\r
-\r
-[Defines]\r
- INF_VERSION = 0x00010005\r
- BASE_NAME = BaseCachingPciExpressLib\r
- FILE_GUID = 3f3ffd80-04dc-4a2b-9d25-ecca55c2e520\r
- MODULE_TYPE = BASE\r
- VERSION_STRING = 1.0\r
- LIBRARY_CLASS = PciExpressLib|DXE_DRIVER UEFI_DRIVER UEFI_APPLICATION\r
- CONSTRUCTOR = PciExpressLibInitialize\r
-\r
-#\r
-# VALID_ARCHITECTURES = ARM AARCH64\r
-#\r
-\r
-[Sources]\r
- PciExpressLib.c\r
-\r
-[Packages]\r
- ArmVirtPkg/ArmVirtPkg.dec\r
- MdePkg/MdePkg.dec\r
-\r
-[LibraryClasses]\r
- BaseLib\r
- PcdLib\r
- DebugLib\r
- IoLib\r
- PciPcdProducerLib\r
-\r
-[Pcd]\r
- gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress ## CONSUMES\r
-\r
+++ /dev/null
-/** @file\r
- Functions in this library instance make use of MMIO functions in IoLib to\r
- access memory mapped PCI configuration space.\r
-\r
- All assertions for I/O operations are handled in MMIO functions in the IoLib\r
- Library.\r
-\r
- Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include <Base.h>\r
-\r
-#include <Library/BaseLib.h>\r
-#include <Library/PciExpressLib.h>\r
-#include <Library/IoLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/PcdLib.h>\r
-\r
-/**\r
- Assert the validity of a PCI address. A valid PCI address should contain 1's\r
- only in the low 28 bits.\r
-\r
- @param A The address to validate.\r
-\r
-**/\r
-#define ASSERT_INVALID_PCI_ADDRESS(A) \\r
- ASSERT (((A) & ~0xfffffff) == 0)\r
-\r
-/**\r
- Registers a PCI device so PCI configuration registers may be accessed after\r
- SetVirtualAddressMap().\r
-\r
- Registers the PCI device specified by Address so all the PCI configuration\r
- registers associated with that PCI device may be accessed after SetVirtualAddressMap()\r
- is called.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @retval RETURN_SUCCESS The PCI device was registered for runtime access.\r
- @retval RETURN_UNSUPPORTED An attempt was made to call this function\r
- after ExitBootServices().\r
- @retval RETURN_UNSUPPORTED The resources required to access the PCI device\r
- at runtime could not be mapped.\r
- @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r
- complete the registration.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-PciExpressRegisterForRuntimeAccess (\r
- IN UINTN Address\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return RETURN_UNSUPPORTED;\r
-}\r
-\r
-STATIC UINT64 mPciExpressBaseAddress;\r
-\r
-RETURN_STATUS\r
-EFIAPI\r
-PciExpressLibInitialize (\r
- VOID\r
- )\r
-{\r
- mPciExpressBaseAddress = PcdGet64 (PcdPciExpressBaseAddress);\r
- return RETURN_SUCCESS;\r
-}\r
-\r
-/**\r
- Gets the base address of PCI Express.\r
-\r
- @return The base address of PCI Express.\r
-\r
-**/\r
-VOID *\r
-GetPciExpressBaseAddress (\r
- VOID\r
- )\r
-{\r
- return (VOID *)(UINTN)mPciExpressBaseAddress;\r
-}\r
-\r
-/**\r
- Reads an 8-bit PCI configuration register.\r
-\r
- Reads and returns the 8-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressRead8 (\r
- IN UINTN Address\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioRead8 ((UINTN)GetPciExpressBaseAddress () + Address);\r
-}\r
-\r
-/**\r
- Writes an 8-bit PCI configuration register.\r
-\r
- Writes the 8-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressWrite8 (\r
- IN UINTN Address,\r
- IN UINT8 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioWrite8 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
-}\r
-\r
-/**\r
- Performs a bitwise OR of an 8-bit PCI configuration register with\r
- an 8-bit value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 8-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressOr8 (\r
- IN UINTN Address,\r
- IN UINT8 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioOr8 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
- value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 8-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressAnd8 (\r
- IN UINTN Address,\r
- IN UINT8 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAnd8 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
- value, followed a bitwise OR with another 8-bit value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 8-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressAndThenOr8 (\r
- IN UINTN Address,\r
- IN UINT8 AndData,\r
- IN UINT8 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAndThenOr8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in an 8-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldRead8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldRead8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit\r
- );\r
-}\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 8-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param Value The new value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldWrite8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldWrite8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 8-bit port.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 8-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldOr8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldOr8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in an 8-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 8-bit register.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 8-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldAnd8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAnd8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
- bitwise OR, and writes the result back to the bit field in the\r
- 8-bit port.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise OR between the read result and\r
- the value specified by AndData, and writes the result to the 8-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 AndData,\r
- IN UINT8 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAndThenOr8 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a 16-bit PCI configuration register.\r
-\r
- Reads and returns the 16-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressRead16 (\r
- IN UINTN Address\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioRead16 ((UINTN)GetPciExpressBaseAddress () + Address);\r
-}\r
-\r
-/**\r
- Writes a 16-bit PCI configuration register.\r
-\r
- Writes the 16-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressWrite16 (\r
- IN UINTN Address,\r
- IN UINT16 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioWrite16 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
-}\r
-\r
-/**\r
- Performs a bitwise OR of a 16-bit PCI configuration register with\r
- a 16-bit value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 16-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressOr16 (\r
- IN UINTN Address,\r
- IN UINT16 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioOr16 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
- value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 16-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressAnd16 (\r
- IN UINTN Address,\r
- IN UINT16 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAnd16 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
- value, followed a bitwise OR with another 16-bit value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 16-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressAndThenOr16 (\r
- IN UINTN Address,\r
- IN UINT16 AndData,\r
- IN UINT16 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAndThenOr16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in a 16-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldRead16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldRead16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit\r
- );\r
-}\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 16-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param Value The new value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldWrite16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldWrite16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 16-bit port.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 16-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldOr16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldOr16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 16-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 16-bit register.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 16-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldAnd16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAnd16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
- bitwise OR, and writes the result back to the bit field in the\r
- 16-bit port.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise OR between the read result and\r
- the value specified by AndData, and writes the result to the 16-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 AndData,\r
- IN UINT16 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAndThenOr16 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a 32-bit PCI configuration register.\r
-\r
- Reads and returns the 32-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressRead32 (\r
- IN UINTN Address\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioRead32 ((UINTN)GetPciExpressBaseAddress () + Address);\r
-}\r
-\r
-/**\r
- Writes a 32-bit PCI configuration register.\r
-\r
- Writes the 32-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressWrite32 (\r
- IN UINTN Address,\r
- IN UINT32 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioWrite32 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
-}\r
-\r
-/**\r
- Performs a bitwise OR of a 32-bit PCI configuration register with\r
- a 32-bit value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 32-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressOr32 (\r
- IN UINTN Address,\r
- IN UINT32 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioOr32 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
- value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 32-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressAnd32 (\r
- IN UINTN Address,\r
- IN UINT32 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAnd32 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
-}\r
-\r
-/**\r
- Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
- value, followed a bitwise OR with another 32-bit value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 32-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address The address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressAndThenOr32 (\r
- IN UINTN Address,\r
- IN UINT32 AndData,\r
- IN UINT32 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioAndThenOr32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in a 32-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldRead32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldRead32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit\r
- );\r
-}\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 32-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param Value The new value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldWrite32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 Value\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldWrite32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 32-bit port.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise OR between the read result and the value specified by\r
- OrData, and writes the result to the 32-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldOr32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldOr32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 32-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 32-bit register.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 32-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldAnd32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 AndData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAnd32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
-}\r
-\r
-/**\r
- Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
- bitwise OR, and writes the result back to the bit field in the\r
- 32-bit port.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise OR between the read result and\r
- the value specified by AndData, and writes the result to the 32-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
-\r
- @param Address The PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 AndData,\r
- IN UINT32 OrData\r
- )\r
-{\r
- ASSERT_INVALID_PCI_ADDRESS (Address);\r
- return MmioBitFieldAndThenOr32 (\r
- (UINTN)GetPciExpressBaseAddress () + Address,\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
-}\r
-\r
-/**\r
- Reads a range of PCI configuration registers into a caller supplied buffer.\r
-\r
- Reads the range of PCI configuration registers specified by StartAddress and\r
- Size into the buffer specified by Buffer. This function only allows the PCI\r
- configuration registers from a single PCI function to be read. Size is\r
- returned. When possible 32-bit PCI configuration read cycles are used to read\r
- from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit\r
- and 16-bit PCI configuration read cycles may be used at the beginning and the\r
- end of the range.\r
-\r
- If StartAddress > 0x0FFFFFFF, then ASSERT().\r
- If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
- If Size > 0 and Buffer is NULL, then ASSERT().\r
-\r
- @param StartAddress The starting address that encodes the PCI Bus, Device,\r
- Function and Register.\r
- @param Size The size in bytes of the transfer.\r
- @param Buffer The pointer to a buffer receiving the data read.\r
-\r
- @return Size read data from StartAddress.\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-PciExpressReadBuffer (\r
- IN UINTN StartAddress,\r
- IN UINTN Size,\r
- OUT VOID *Buffer\r
- )\r
-{\r
- UINTN ReturnValue;\r
-\r
- ASSERT_INVALID_PCI_ADDRESS (StartAddress);\r
- ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
-\r
- if (Size == 0) {\r
- return Size;\r
- }\r
-\r
- ASSERT (Buffer != NULL);\r
-\r
- //\r
- // Save Size for return\r
- //\r
- ReturnValue = Size;\r
-\r
- if ((StartAddress & 1) != 0) {\r
- //\r
- // Read a byte if StartAddress is byte aligned\r
- //\r
- *(volatile UINT8 *)Buffer = PciExpressRead8 (StartAddress);\r
- StartAddress += sizeof (UINT8);\r
- Size -= sizeof (UINT8);\r
- Buffer = (UINT8 *)Buffer + 1;\r
- }\r
-\r
- if ((Size >= sizeof (UINT16)) && ((StartAddress & 2) != 0)) {\r
- //\r
- // Read a word if StartAddress is word aligned\r
- //\r
- WriteUnaligned16 ((UINT16 *)Buffer, (UINT16)PciExpressRead16 (StartAddress));\r
-\r
- StartAddress += sizeof (UINT16);\r
- Size -= sizeof (UINT16);\r
- Buffer = (UINT16 *)Buffer + 1;\r
- }\r
-\r
- while (Size >= sizeof (UINT32)) {\r
- //\r
- // Read as many double words as possible\r
- //\r
- WriteUnaligned32 ((UINT32 *)Buffer, (UINT32)PciExpressRead32 (StartAddress));\r
-\r
- StartAddress += sizeof (UINT32);\r
- Size -= sizeof (UINT32);\r
- Buffer = (UINT32 *)Buffer + 1;\r
- }\r
-\r
- if (Size >= sizeof (UINT16)) {\r
- //\r
- // Read the last remaining word if exist\r
- //\r
- WriteUnaligned16 ((UINT16 *)Buffer, (UINT16)PciExpressRead16 (StartAddress));\r
- StartAddress += sizeof (UINT16);\r
- Size -= sizeof (UINT16);\r
- Buffer = (UINT16 *)Buffer + 1;\r
- }\r
-\r
- if (Size >= sizeof (UINT8)) {\r
- //\r
- // Read the last remaining byte if exist\r
- //\r
- *(volatile UINT8 *)Buffer = PciExpressRead8 (StartAddress);\r
- }\r
-\r
- return ReturnValue;\r
-}\r
-\r
-/**\r
- Copies the data in a caller supplied buffer to a specified range of PCI\r
- configuration space.\r
-\r
- Writes the range of PCI configuration registers specified by StartAddress and\r
- Size from the buffer specified by Buffer. This function only allows the PCI\r
- configuration registers from a single PCI function to be written. Size is\r
- returned. When possible 32-bit PCI configuration write cycles are used to\r
- write from StartAddress to StartAddress + Size. Due to alignment restrictions,\r
- 8-bit and 16-bit PCI configuration write cycles may be used at the beginning\r
- and the end of the range.\r
-\r
- If StartAddress > 0x0FFFFFFF, then ASSERT().\r
- If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
- If Size > 0 and Buffer is NULL, then ASSERT().\r
-\r
- @param StartAddress The starting address that encodes the PCI Bus, Device,\r
- Function and Register.\r
- @param Size The size in bytes of the transfer.\r
- @param Buffer The pointer to a buffer containing the data to write.\r
-\r
- @return Size written to StartAddress.\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-PciExpressWriteBuffer (\r
- IN UINTN StartAddress,\r
- IN UINTN Size,\r
- IN VOID *Buffer\r
- )\r
-{\r
- UINTN ReturnValue;\r
-\r
- ASSERT_INVALID_PCI_ADDRESS (StartAddress);\r
- ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
-\r
- if (Size == 0) {\r
- return 0;\r
- }\r
-\r
- ASSERT (Buffer != NULL);\r
-\r
- //\r
- // Save Size for return\r
- //\r
- ReturnValue = Size;\r
-\r
- if ((StartAddress & 1) != 0) {\r
- //\r
- // Write a byte if StartAddress is byte aligned\r
- //\r
- PciExpressWrite8 (StartAddress, *(UINT8 *)Buffer);\r
- StartAddress += sizeof (UINT8);\r
- Size -= sizeof (UINT8);\r
- Buffer = (UINT8 *)Buffer + 1;\r
- }\r
-\r
- if ((Size >= sizeof (UINT16)) && ((StartAddress & 2) != 0)) {\r
- //\r
- // Write a word if StartAddress is word aligned\r
- //\r
- PciExpressWrite16 (StartAddress, ReadUnaligned16 ((UINT16 *)Buffer));\r
- StartAddress += sizeof (UINT16);\r
- Size -= sizeof (UINT16);\r
- Buffer = (UINT16 *)Buffer + 1;\r
- }\r
-\r
- while (Size >= sizeof (UINT32)) {\r
- //\r
- // Write as many double words as possible\r
- //\r
- PciExpressWrite32 (StartAddress, ReadUnaligned32 ((UINT32 *)Buffer));\r
- StartAddress += sizeof (UINT32);\r
- Size -= sizeof (UINT32);\r
- Buffer = (UINT32 *)Buffer + 1;\r
- }\r
-\r
- if (Size >= sizeof (UINT16)) {\r
- //\r
- // Write the last remaining word if exist\r
- //\r
- PciExpressWrite16 (StartAddress, ReadUnaligned16 ((UINT16 *)Buffer));\r
- StartAddress += sizeof (UINT16);\r
- Size -= sizeof (UINT16);\r
- Buffer = (UINT16 *)Buffer + 1;\r
- }\r
-\r
- if (Size >= sizeof (UINT8)) {\r
- //\r
- // Write the last remaining byte if exist\r
- //\r
- PciExpressWrite8 (StartAddress, *(UINT8 *)Buffer);\r
- }\r
-\r
- return ReturnValue;\r
-}\r
--- /dev/null
+## @file\r
+# Instance of PCI Express Library using the 256 MB PCI Express MMIO window.\r
+#\r
+# PCI Express Library that uses the 256 MB PCI Express MMIO window to perform\r
+# PCI Configuration cycles. Layers on top of an I/O Library instance.\r
+#\r
+# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
+#\r
+# SPDX-License-Identifier: BSD-2-Clause-Patent\r
+#\r
+#\r
+##\r
+\r
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = BaseCachingPciExpressLib\r
+ FILE_GUID = 3f3ffd80-04dc-4a2b-9d25-ecca55c2e520\r
+ MODULE_TYPE = BASE\r
+ VERSION_STRING = 1.0\r
+ LIBRARY_CLASS = PciExpressLib|DXE_DRIVER UEFI_DRIVER UEFI_APPLICATION\r
+ CONSTRUCTOR = PciExpressLibInitialize\r
+\r
+#\r
+# VALID_ARCHITECTURES = ARM AARCH64 RISCV64\r
+#\r
+\r
+[Sources]\r
+ PciExpressLib.c\r
+\r
+[Packages]\r
+ MdePkg/MdePkg.dec\r
+\r
+[LibraryClasses]\r
+ BaseLib\r
+ PcdLib\r
+ DebugLib\r
+ IoLib\r
+ PciPcdProducerLib\r
+\r
+[Pcd]\r
+ gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress ## CONSUMES\r
+\r
--- /dev/null
+/** @file\r
+ Functions in this library instance make use of MMIO functions in IoLib to\r
+ access memory mapped PCI configuration space.\r
+\r
+ All assertions for I/O operations are handled in MMIO functions in the IoLib\r
+ Library.\r
+\r
+ Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#include <Base.h>\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/PciExpressLib.h>\r
+#include <Library/IoLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/PcdLib.h>\r
+\r
+/**\r
+ Assert the validity of a PCI address. A valid PCI address should contain 1's\r
+ only in the low 28 bits.\r
+\r
+ @param A The address to validate.\r
+\r
+**/\r
+#define ASSERT_INVALID_PCI_ADDRESS(A) \\r
+ ASSERT (((A) & ~0xfffffff) == 0)\r
+\r
+/**\r
+ Registers a PCI device so PCI configuration registers may be accessed after\r
+ SetVirtualAddressMap().\r
+\r
+ Registers the PCI device specified by Address so all the PCI configuration\r
+ registers associated with that PCI device may be accessed after SetVirtualAddressMap()\r
+ is called.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+\r
+ @retval RETURN_SUCCESS The PCI device was registered for runtime access.\r
+ @retval RETURN_UNSUPPORTED An attempt was made to call this function\r
+ after ExitBootServices().\r
+ @retval RETURN_UNSUPPORTED The resources required to access the PCI device\r
+ at runtime could not be mapped.\r
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r
+ complete the registration.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+PciExpressRegisterForRuntimeAccess (\r
+ IN UINTN Address\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return RETURN_UNSUPPORTED;\r
+}\r
+\r
+STATIC UINT64 mPciExpressBaseAddress;\r
+\r
+RETURN_STATUS\r
+EFIAPI\r
+PciExpressLibInitialize (\r
+ VOID\r
+ )\r
+{\r
+ mPciExpressBaseAddress = PcdGet64 (PcdPciExpressBaseAddress);\r
+ return RETURN_SUCCESS;\r
+}\r
+\r
+/**\r
+ Gets the base address of PCI Express.\r
+\r
+ @return The base address of PCI Express.\r
+\r
+**/\r
+VOID *\r
+GetPciExpressBaseAddress (\r
+ VOID\r
+ )\r
+{\r
+ return (VOID *)(UINTN)mPciExpressBaseAddress;\r
+}\r
+\r
+/**\r
+ Reads an 8-bit PCI configuration register.\r
+\r
+ Reads and returns the 8-bit PCI configuration register specified by Address.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+\r
+ @return The read value from the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressRead8 (\r
+ IN UINTN Address\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioRead8 ((UINTN)GetPciExpressBaseAddress () + Address);\r
+}\r
+\r
+/**\r
+ Writes an 8-bit PCI configuration register.\r
+\r
+ Writes the 8-bit PCI configuration register specified by Address with the\r
+ value specified by Value. Value is returned. This function must guarantee\r
+ that all PCI read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param Value The value to write.\r
+\r
+ @return The value written to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressWrite8 (\r
+ IN UINTN Address,\r
+ IN UINT8 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioWrite8 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
+}\r
+\r
+/**\r
+ Performs a bitwise OR of an 8-bit PCI configuration register with\r
+ an 8-bit value.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 8-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressOr8 (\r
+ IN UINTN Address,\r
+ IN UINT8 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioOr8 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
+ value.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 8-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressAnd8 (\r
+ IN UINTN Address,\r
+ IN UINT8 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAnd8 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
+ value, followed a bitwise OR with another 8-bit value.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData,\r
+ performs a bitwise OR between the result of the AND operation and\r
+ the value specified by OrData, and writes the result to the 8-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressAndThenOr8 (\r
+ IN UINTN Address,\r
+ IN UINT8 AndData,\r
+ IN UINT8 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAndThenOr8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field of a PCI configuration register.\r
+\r
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is\r
+ specified by the StartBit and the EndBit. The value of the bit field is\r
+ returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If StartBit is greater than 7, then ASSERT().\r
+ If EndBit is greater than 7, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to read.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..7.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..7.\r
+\r
+ @return The value of the bit field read from the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressBitFieldRead8 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldRead8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit\r
+ );\r
+}\r
+\r
+/**\r
+ Writes a bit field to a PCI configuration register.\r
+\r
+ Writes Value to the bit field of the PCI configuration register. The bit\r
+ field is specified by the StartBit and the EndBit. All other bits in the\r
+ destination PCI configuration register are preserved. The new value of the\r
+ 8-bit register is returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If StartBit is greater than 7, then ASSERT().\r
+ If EndBit is greater than 7, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..7.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..7.\r
+ @param Value The new value of the bit field.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressBitFieldWrite8 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT8 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldWrite8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and\r
+ writes the result back to the bit field in the 8-bit port.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 8-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized. Extra left bits in OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If StartBit is greater than 7, then ASSERT().\r
+ If EndBit is greater than 7, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..7.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..7.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressBitFieldOr8 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT8 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldOr8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise\r
+ AND, and writes the result back to the bit field in the 8-bit register.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 8-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized. Extra left bits in AndData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If StartBit is greater than 7, then ASSERT().\r
+ If EndBit is greater than 7, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..7.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..7.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressBitFieldAnd8 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT8 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAnd8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
+ bitwise OR, and writes the result back to the bit field in the\r
+ 8-bit port.\r
+\r
+ Reads the 8-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND followed by a bitwise OR between the read result and\r
+ the value specified by AndData, and writes the result to the 8-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized. Extra left bits in both AndData and\r
+ OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If StartBit is greater than 7, then ASSERT().\r
+ If EndBit is greater than 7, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..7.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..7.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+PciExpressBitFieldAndThenOr8 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT8 AndData,\r
+ IN UINT8 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAndThenOr8 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a 16-bit PCI configuration register.\r
+\r
+ Reads and returns the 16-bit PCI configuration register specified by Address.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+\r
+ @return The read value from the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressRead16 (\r
+ IN UINTN Address\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioRead16 ((UINTN)GetPciExpressBaseAddress () + Address);\r
+}\r
+\r
+/**\r
+ Writes a 16-bit PCI configuration register.\r
+\r
+ Writes the 16-bit PCI configuration register specified by Address with the\r
+ value specified by Value. Value is returned. This function must guarantee\r
+ that all PCI read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param Value The value to write.\r
+\r
+ @return The value written to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressWrite16 (\r
+ IN UINTN Address,\r
+ IN UINT16 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioWrite16 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
+}\r
+\r
+/**\r
+ Performs a bitwise OR of a 16-bit PCI configuration register with\r
+ a 16-bit value.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 16-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressOr16 (\r
+ IN UINTN Address,\r
+ IN UINT16 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioOr16 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
+ value.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 16-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressAnd16 (\r
+ IN UINTN Address,\r
+ IN UINT16 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAnd16 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
+ value, followed a bitwise OR with another 16-bit value.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData,\r
+ performs a bitwise OR between the result of the AND operation and\r
+ the value specified by OrData, and writes the result to the 16-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressAndThenOr16 (\r
+ IN UINTN Address,\r
+ IN UINT16 AndData,\r
+ IN UINT16 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAndThenOr16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field of a PCI configuration register.\r
+\r
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is\r
+ specified by the StartBit and the EndBit. The value of the bit field is\r
+ returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+ If StartBit is greater than 15, then ASSERT().\r
+ If EndBit is greater than 15, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to read.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..15.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..15.\r
+\r
+ @return The value of the bit field read from the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressBitFieldRead16 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldRead16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit\r
+ );\r
+}\r
+\r
+/**\r
+ Writes a bit field to a PCI configuration register.\r
+\r
+ Writes Value to the bit field of the PCI configuration register. The bit\r
+ field is specified by the StartBit and the EndBit. All other bits in the\r
+ destination PCI configuration register are preserved. The new value of the\r
+ 16-bit register is returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+ If StartBit is greater than 15, then ASSERT().\r
+ If EndBit is greater than 15, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..15.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..15.\r
+ @param Value The new value of the bit field.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressBitFieldWrite16 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT16 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldWrite16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and\r
+ writes the result back to the bit field in the 16-bit port.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 16-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized. Extra left bits in OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+ If StartBit is greater than 15, then ASSERT().\r
+ If EndBit is greater than 15, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..15.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..15.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressBitFieldOr16 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT16 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldOr16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise\r
+ AND, and writes the result back to the bit field in the 16-bit register.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 16-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized. Extra left bits in AndData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+ If StartBit is greater than 15, then ASSERT().\r
+ If EndBit is greater than 15, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..15.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..15.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressBitFieldAnd16 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT16 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAnd16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
+ bitwise OR, and writes the result back to the bit field in the\r
+ 16-bit port.\r
+\r
+ Reads the 16-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND followed by a bitwise OR between the read result and\r
+ the value specified by AndData, and writes the result to the 16-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized. Extra left bits in both AndData and\r
+ OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 16-bit boundary, then ASSERT().\r
+ If StartBit is greater than 15, then ASSERT().\r
+ If EndBit is greater than 15, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..15.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..15.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+PciExpressBitFieldAndThenOr16 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT16 AndData,\r
+ IN UINT16 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAndThenOr16 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a 32-bit PCI configuration register.\r
+\r
+ Reads and returns the 32-bit PCI configuration register specified by Address.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+\r
+ @return The read value from the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressRead32 (\r
+ IN UINTN Address\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioRead32 ((UINTN)GetPciExpressBaseAddress () + Address);\r
+}\r
+\r
+/**\r
+ Writes a 32-bit PCI configuration register.\r
+\r
+ Writes the 32-bit PCI configuration register specified by Address with the\r
+ value specified by Value. Value is returned. This function must guarantee\r
+ that all PCI read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param Value The value to write.\r
+\r
+ @return The value written to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressWrite32 (\r
+ IN UINTN Address,\r
+ IN UINT32 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioWrite32 ((UINTN)GetPciExpressBaseAddress () + Address, Value);\r
+}\r
+\r
+/**\r
+ Performs a bitwise OR of a 32-bit PCI configuration register with\r
+ a 32-bit value.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 32-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressOr32 (\r
+ IN UINTN Address,\r
+ IN UINT32 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioOr32 ((UINTN)GetPciExpressBaseAddress () + Address, OrData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
+ value.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 32-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressAnd32 (\r
+ IN UINTN Address,\r
+ IN UINT32 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAnd32 ((UINTN)GetPciExpressBaseAddress () + Address, AndData);\r
+}\r
+\r
+/**\r
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
+ value, followed a bitwise OR with another 32-bit value.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData,\r
+ performs a bitwise OR between the result of the AND operation and\r
+ the value specified by OrData, and writes the result to the 32-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressAndThenOr32 (\r
+ IN UINTN Address,\r
+ IN UINT32 AndData,\r
+ IN UINT32 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioAndThenOr32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field of a PCI configuration register.\r
+\r
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is\r
+ specified by the StartBit and the EndBit. The value of the bit field is\r
+ returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+ If StartBit is greater than 31, then ASSERT().\r
+ If EndBit is greater than 31, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to read.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..31.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..31.\r
+\r
+ @return The value of the bit field read from the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressBitFieldRead32 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldRead32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit\r
+ );\r
+}\r
+\r
+/**\r
+ Writes a bit field to a PCI configuration register.\r
+\r
+ Writes Value to the bit field of the PCI configuration register. The bit\r
+ field is specified by the StartBit and the EndBit. All other bits in the\r
+ destination PCI configuration register are preserved. The new value of the\r
+ 32-bit register is returned.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+ If StartBit is greater than 31, then ASSERT().\r
+ If EndBit is greater than 31, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..31.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..31.\r
+ @param Value The new value of the bit field.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressBitFieldWrite32 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT32 Value\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldWrite32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and\r
+ writes the result back to the bit field in the 32-bit port.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise OR between the read result and the value specified by\r
+ OrData, and writes the result to the 32-bit PCI configuration register\r
+ specified by Address. The value written to the PCI configuration register is\r
+ returned. This function must guarantee that all PCI read and write operations\r
+ are serialized. Extra left bits in OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+ If StartBit is greater than 31, then ASSERT().\r
+ If EndBit is greater than 31, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..31.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..31.\r
+ @param OrData The value to OR with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressBitFieldOr32 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT32 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldOr32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise\r
+ AND, and writes the result back to the bit field in the 32-bit register.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND between the read result and the value specified by AndData, and\r
+ writes the result to the 32-bit PCI configuration register specified by\r
+ Address. The value written to the PCI configuration register is returned.\r
+ This function must guarantee that all PCI read and write operations are\r
+ serialized. Extra left bits in AndData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+ If StartBit is greater than 31, then ASSERT().\r
+ If EndBit is greater than 31, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..31.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..31.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressBitFieldAnd32 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT32 AndData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAnd32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
+ bitwise OR, and writes the result back to the bit field in the\r
+ 32-bit port.\r
+\r
+ Reads the 32-bit PCI configuration register specified by Address, performs a\r
+ bitwise AND followed by a bitwise OR between the read result and\r
+ the value specified by AndData, and writes the result to the 32-bit PCI\r
+ configuration register specified by Address. The value written to the PCI\r
+ configuration register is returned. This function must guarantee that all PCI\r
+ read and write operations are serialized. Extra left bits in both AndData and\r
+ OrData are stripped.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+ If Address is not aligned on a 32-bit boundary, then ASSERT().\r
+ If StartBit is greater than 31, then ASSERT().\r
+ If EndBit is greater than 31, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+\r
+ @param Address The PCI configuration register to write.\r
+ @param StartBit The ordinal of the least significant bit in the bit field.\r
+ Range 0..31.\r
+ @param EndBit The ordinal of the most significant bit in the bit field.\r
+ Range 0..31.\r
+ @param AndData The value to AND with the PCI configuration register.\r
+ @param OrData The value to OR with the result of the AND operation.\r
+\r
+ @return The value written back to the PCI configuration register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PciExpressBitFieldAndThenOr32 (\r
+ IN UINTN Address,\r
+ IN UINTN StartBit,\r
+ IN UINTN EndBit,\r
+ IN UINT32 AndData,\r
+ IN UINT32 OrData\r
+ )\r
+{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address);\r
+ return MmioBitFieldAndThenOr32 (\r
+ (UINTN)GetPciExpressBaseAddress () + Address,\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+}\r
+\r
+/**\r
+ Reads a range of PCI configuration registers into a caller supplied buffer.\r
+\r
+ Reads the range of PCI configuration registers specified by StartAddress and\r
+ Size into the buffer specified by Buffer. This function only allows the PCI\r
+ configuration registers from a single PCI function to be read. Size is\r
+ returned. When possible 32-bit PCI configuration read cycles are used to read\r
+ from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit\r
+ and 16-bit PCI configuration read cycles may be used at the beginning and the\r
+ end of the range.\r
+\r
+ If StartAddress > 0x0FFFFFFF, then ASSERT().\r
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
+ If Size > 0 and Buffer is NULL, then ASSERT().\r
+\r
+ @param StartAddress The starting address that encodes the PCI Bus, Device,\r
+ Function and Register.\r
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer receiving the data read.\r
+\r
+ @return Size read data from StartAddress.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+PciExpressReadBuffer (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Size,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ UINTN ReturnValue;\r
+\r
+ ASSERT_INVALID_PCI_ADDRESS (StartAddress);\r
+ ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
+\r
+ if (Size == 0) {\r
+ return Size;\r
+ }\r
+\r
+ ASSERT (Buffer != NULL);\r
+\r
+ //\r
+ // Save Size for return\r
+ //\r
+ ReturnValue = Size;\r
+\r
+ if ((StartAddress & 1) != 0) {\r
+ //\r
+ // Read a byte if StartAddress is byte aligned\r
+ //\r
+ *(volatile UINT8 *)Buffer = PciExpressRead8 (StartAddress);\r
+ StartAddress += sizeof (UINT8);\r
+ Size -= sizeof (UINT8);\r
+ Buffer = (UINT8 *)Buffer + 1;\r
+ }\r
+\r
+ if ((Size >= sizeof (UINT16)) && ((StartAddress & 2) != 0)) {\r
+ //\r
+ // Read a word if StartAddress is word aligned\r
+ //\r
+ WriteUnaligned16 ((UINT16 *)Buffer, (UINT16)PciExpressRead16 (StartAddress));\r
+\r
+ StartAddress += sizeof (UINT16);\r
+ Size -= sizeof (UINT16);\r
+ Buffer = (UINT16 *)Buffer + 1;\r
+ }\r
+\r
+ while (Size >= sizeof (UINT32)) {\r
+ //\r
+ // Read as many double words as possible\r
+ //\r
+ WriteUnaligned32 ((UINT32 *)Buffer, (UINT32)PciExpressRead32 (StartAddress));\r
+\r
+ StartAddress += sizeof (UINT32);\r
+ Size -= sizeof (UINT32);\r
+ Buffer = (UINT32 *)Buffer + 1;\r
+ }\r
+\r
+ if (Size >= sizeof (UINT16)) {\r
+ //\r
+ // Read the last remaining word if exist\r
+ //\r
+ WriteUnaligned16 ((UINT16 *)Buffer, (UINT16)PciExpressRead16 (StartAddress));\r
+ StartAddress += sizeof (UINT16);\r
+ Size -= sizeof (UINT16);\r
+ Buffer = (UINT16 *)Buffer + 1;\r
+ }\r
+\r
+ if (Size >= sizeof (UINT8)) {\r
+ //\r
+ // Read the last remaining byte if exist\r
+ //\r
+ *(volatile UINT8 *)Buffer = PciExpressRead8 (StartAddress);\r
+ }\r
+\r
+ return ReturnValue;\r
+}\r
+\r
+/**\r
+ Copies the data in a caller supplied buffer to a specified range of PCI\r
+ configuration space.\r
+\r
+ Writes the range of PCI configuration registers specified by StartAddress and\r
+ Size from the buffer specified by Buffer. This function only allows the PCI\r
+ configuration registers from a single PCI function to be written. Size is\r
+ returned. When possible 32-bit PCI configuration write cycles are used to\r
+ write from StartAddress to StartAddress + Size. Due to alignment restrictions,\r
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning\r
+ and the end of the range.\r
+\r
+ If StartAddress > 0x0FFFFFFF, then ASSERT().\r
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
+ If Size > 0 and Buffer is NULL, then ASSERT().\r
+\r
+ @param StartAddress The starting address that encodes the PCI Bus, Device,\r
+ Function and Register.\r
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer containing the data to write.\r
+\r
+ @return Size written to StartAddress.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+PciExpressWriteBuffer (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Size,\r
+ IN VOID *Buffer\r
+ )\r
+{\r
+ UINTN ReturnValue;\r
+\r
+ ASSERT_INVALID_PCI_ADDRESS (StartAddress);\r
+ ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
+\r
+ if (Size == 0) {\r
+ return 0;\r
+ }\r
+\r
+ ASSERT (Buffer != NULL);\r
+\r
+ //\r
+ // Save Size for return\r
+ //\r
+ ReturnValue = Size;\r
+\r
+ if ((StartAddress & 1) != 0) {\r
+ //\r
+ // Write a byte if StartAddress is byte aligned\r
+ //\r
+ PciExpressWrite8 (StartAddress, *(UINT8 *)Buffer);\r
+ StartAddress += sizeof (UINT8);\r
+ Size -= sizeof (UINT8);\r
+ Buffer = (UINT8 *)Buffer + 1;\r
+ }\r
+\r
+ if ((Size >= sizeof (UINT16)) && ((StartAddress & 2) != 0)) {\r
+ //\r
+ // Write a word if StartAddress is word aligned\r
+ //\r
+ PciExpressWrite16 (StartAddress, ReadUnaligned16 ((UINT16 *)Buffer));\r
+ StartAddress += sizeof (UINT16);\r
+ Size -= sizeof (UINT16);\r
+ Buffer = (UINT16 *)Buffer + 1;\r
+ }\r
+\r
+ while (Size >= sizeof (UINT32)) {\r
+ //\r
+ // Write as many double words as possible\r
+ //\r
+ PciExpressWrite32 (StartAddress, ReadUnaligned32 ((UINT32 *)Buffer));\r
+ StartAddress += sizeof (UINT32);\r
+ Size -= sizeof (UINT32);\r
+ Buffer = (UINT32 *)Buffer + 1;\r
+ }\r
+\r
+ if (Size >= sizeof (UINT16)) {\r
+ //\r
+ // Write the last remaining word if exist\r
+ //\r
+ PciExpressWrite16 (StartAddress, ReadUnaligned16 ((UINT16 *)Buffer));\r
+ StartAddress += sizeof (UINT16);\r
+ Size -= sizeof (UINT16);\r
+ Buffer = (UINT16 *)Buffer + 1;\r
+ }\r
+\r
+ if (Size >= sizeof (UINT8)) {\r
+ //\r
+ // Write the last remaining byte if exist\r
+ //\r
+ PciExpressWrite8 (StartAddress, *(UINT8 *)Buffer);\r
+ }\r
+\r
+ return ReturnValue;\r
+}\r
projects / mirror_edk2.git / commitdiff