REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3171
Adds the following files:
* Library/BasePciSegmentMultiSegLibPci
* Library/BaseSiConfigBlockLib
* Library/PeiDxeSmmMmPciLib
Cc: Sai Chaganty <rangasai.v.chaga...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Heng Luo <heng....@intel.com>
---
Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.inf
| 38 +++++++++++++++++++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.uni
| 14 ++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/PciSegmentLib.c
| 1280
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.c
| 86
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.inf
| 33 +++++++++++++++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.c
| 35 +++++++++++++++++++++++++
Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.inf
| 43 ++++++++++++++++++++++++++++++
7 files changed, 1529 insertions(+)
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.inf
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.inf
new file mode 100644
index 0000000000..b04bce9cf0
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.inf
@@ -0,0 +1,38 @@
+## @file
+# Instance of PCI Segment Library based on PCI Library.
+#
+# PCI Segment Library that layers on top of the PCI Library which only
+# supports segment 0 and segment 1 PCI configuration access.
+#
+# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BasePciSegmentMultiSegLibPci
+ MODULE_UNI_FILE = BasePciSegmentMultiSegLibPci.uni
+ FILE_GUID = AC65B409-DF03-466e-8D2B-6FCE1079F0B2
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PciSegmentLib
+
+#
+# The following information is for reference only and not required by the
build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ PciSegmentLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ TigerlakeSiliconPkg/SiPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ PciLib
+ DebugLib
+ PcdLib
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.uni
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.uni
new file mode 100644
index 0000000000..09bd0f5cfc
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/BasePciSegmentMultiSegLibPci.uni
@@ -0,0 +1,14 @@
+/** @file
+ Instance of PCI Segment Library based on PCI Library.
+
+ PCI Segment Library that layers on top of the PCI Library which only
+ supports segment 0 and segment 1 PCI configuration access.
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Instance of PCI
Segment Library based on PCI Library."
+
+#string STR_MODULE_DESCRIPTION #language en-US "PCI Segment Library
that layers on top of the PCI Library which only supports segment 0 and segment
1 PCI configuration access."
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/PciSegmentLib.c
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/PciSegmentLib.c
new file mode 100644
index 0000000000..0d0c64be3f
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BasePciSegmentMultiSegLibPci/PciSegmentLib.c
@@ -0,0 +1,1280 @@
+/** @file
+ PCI Segment Library that layers on top of the PCI Library which only
+ supports segment 0 and segment 1 PCI configuration access.
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Base.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PciLib.h>
+#include <Library/PciSegmentLib.h>
+
+/**
+ Assert the validity of a PCI Segment address.
+ A valid PCI Segment address should not contain 1's in bits 28..31 and 33..63
+ and the segment should be 0 or 1.
+
+ @param A The address to validate.
+ @param M Additional bits to assert to be zero.
+
+**/
+#define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
+ ASSERT (((A) & (0xfffffffef0000000ULL | (M))) == 0)
+
+/**
+ Convert the PCI Segment library address to PCI library address.
+ From ICL generation support the multiple segment, and the segment number
start from BIT28,
+ So we convert the Segment Number offset from BIT32 to BIT28
+
+ @param A The address to convert.
+**/
+#define PCI_SEGMENT_TO_PCI_ADDRESS(A) ((UINTN) (UINT32) ((A) | ((RShiftU64
((A) & BIT32, 4)))))
+
+/**
+ Register a PCI device so PCI configuration registers may be accessed after
+ SetVirtualAddressMap().
+
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @retval RETURN_SUCCESS The PCI device was registered for runtime
access.
+ @retval RETURN_UNSUPPORTED An attempt was made to call this function
+ after ExitBootServices().
+ @retval RETURN_UNSUPPORTED The resources required to access the PCI
device
+ at runtime could not be mapped.
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to
+ complete the registration.
+
+**/
+RETURN_STATUS
+EFIAPI
+PciSegmentRegisterForRuntimeAccess (
+ IN UINTN Address
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
+ return PciRegisterForRuntimeAccess (PCI_SEGMENT_TO_PCI_ADDRESS (Address));
+}
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+
+ @return The 8-bit PCI configuration register specified by Address.
+
+**/
+UINT8
+EFIAPI
+PciSegmentRead8 (
+ IN UINT64 Address
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
+
+ return PciRead8 (PCI_SEGMENT_TO_PCI_ADDRESS (Address));
+}
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the
value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write
operations are serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentWrite8 (
+ IN UINT64 Address,
+ IN UINT8 Value
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
+
+ return PciWrite8 (PCI_SEGMENT_TO_PCI_ADDRESS (Address), Value);
+}
+
+/**
+ Performs a bitwise OR of an 8-bit PCI configuration register with an 8-bit
value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise OR between the read result and the value specified by
OrData,
+ and writes the result to the 8-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentOr8 (
+ IN UINT64 Address,
+ IN UINT8 OrData
+ )
+{
+ return PciWrite8 (PCI_SEGMENT_TO_PCI_ADDRESS (Address), (UINT8)
(PciSegmentRead8 (Address) | OrData));
+}
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ and writes the result to the 8-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentAnd8 (
+ IN UINT64 Address,
+ IN UINT8 AndData
+ )
+{
+ return PciSegmentWrite8 (Address, (UINT8) (PciSegmentRead8 (Address) &
AndData));
+}
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
value,
+ followed a bitwise OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ performs a bitwise OR between the result of the AND operation and the value
specified by OrData,
+ and writes the result to the 8-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentAndThenOr8 (
+ IN UINT64 Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+{
+ return PciSegmentWrite8 (Address, (UINT8) ((PciSegmentRead8 (Address) &
AndData) | OrData));
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address The PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldRead8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ return BitFieldRead8 (PciSegmentRead8 (Address), StartBit, EndBit);
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 8-bit register is returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param Value The new value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldWrite8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ )
+{
+ return PciSegmentWrite8 (
+ Address,
+ BitFieldWrite8 (PciSegmentRead8 (Address), StartBit, EndBit, Value)
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldOr8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ )
+{
+ return PciSegmentWrite8 (
+ Address,
+ BitFieldOr8 (PciSegmentRead8 (Address), StartBit, EndBit, OrData)
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldAnd8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ )
+{
+ return PciSegmentWrite8 (
+ Address,
+ BitFieldAnd8 (PciSegmentRead8 (Address), StartBit, EndBit, AndData)
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+ bitwise OR, and writes the result back to the bit field in the
+ 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise OR between the read result and
+ the value specified by AndData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciSegmentBitFieldAndThenOr8 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+{
+ return PciSegmentWrite8 (
+ Address,
+ BitFieldAndThenOr8 (PciSegmentRead8 (Address), StartBit, EndBit,
AndData, OrData)
+ );
+}
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+
+ @return The 16-bit PCI configuration register specified by Address.
+
+**/
+UINT16
+EFIAPI
+PciSegmentRead16 (
+ IN UINT64 Address
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
+
+ return PciRead16 (PCI_SEGMENT_TO_PCI_ADDRESS (Address));
+}
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the
value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write
operations are serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param Value The value to write.
+
+ @return The parameter of Value.
+
+**/
+UINT16
+EFIAPI
+PciSegmentWrite16 (
+ IN UINT64 Address,
+ IN UINT16 Value
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
+
+ return PciWrite16 (PCI_SEGMENT_TO_PCI_ADDRESS (Address), Value);
+}
+
+/**
+ Performs a bitwise OR of a 16-bit PCI configuration register with
+ a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentOr16 (
+ IN UINT64 Address,
+ IN UINT16 OrData
+ )
+{
+ return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (Address) |
OrData));
+}
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
value.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ and writes the result to the 16-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentAnd16 (
+ IN UINT64 Address,
+ IN UINT16 AndData
+ )
+{
+ return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (Address) &
AndData));
+}
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
value,
+ followed a bitwise OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ performs a bitwise OR between the result of the AND operation and the value
specified by OrData,
+ and writes the result to the 16-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentAndThenOr16 (
+ IN UINT64 Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+{
+ return PciSegmentWrite16 (Address, (UINT16) ((PciSegmentRead16 (Address) &
AndData) | OrData));
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address The PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldRead16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ return BitFieldRead16 (PciSegmentRead16 (Address), StartBit, EndBit);
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 16-bit register is returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param Value The new value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldWrite16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ )
+{
+ return PciSegmentWrite16 (
+ Address,
+ BitFieldWrite16 (PciSegmentRead16 (Address), StartBit, EndBit,
Value)
+ );
+}
+
+/**
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise OR between the read result and the value specified by
OrData,
+ and writes the result to the 16-bit PCI configuration register specified by
Address.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldOr16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ )
+{
+ return PciSegmentWrite16 (
+ Address,
+ BitFieldOr16 (PciSegmentRead16 (Address), StartBit, EndBit, OrData)
+ );
+}
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR,
+ and writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address,
+ performs a bitwise OR between the read result and the value specified by
OrData,
+ and writes the result to the 16-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+ Extra left bits in OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ The ordinal of the least significant bit in a byte is bit
0.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ The ordinal of the most significant bit in a byte is bit 7.
+ @param AndData The value to AND with the read value from the PCI
configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldAnd16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ )
+{
+ return PciSegmentWrite16 (
+ Address,
+ BitFieldAnd16 (PciSegmentRead16 (Address), StartBit, EndBit,
AndData)
+ );
+}
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+ bitwise OR, and writes the result back to the bit field in the
+ 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise OR between the read result and
+ the value specified by AndData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciSegmentBitFieldAndThenOr16 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+{
+ return PciSegmentWrite16 (
+ Address,
+ BitFieldAndThenOr16 (PciSegmentRead16 (Address), StartBit, EndBit,
AndData, OrData)
+ );
+}
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+
+ @return The 32-bit PCI configuration register specified by Address.
+
+**/
+UINT32
+EFIAPI
+PciSegmentRead32 (
+ IN UINT64 Address
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
+
+ return PciRead32 (PCI_SEGMENT_TO_PCI_ADDRESS (Address));
+}
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the
value specified by Value.
+ Value is returned. This function must guarantee that all PCI read and write
operations are serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param Value The value to write.
+
+ @return The parameter of Value.
+
+**/
+UINT32
+EFIAPI
+PciSegmentWrite32 (
+ IN UINT64 Address,
+ IN UINT32 Value
+ )
+{
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
+
+ return PciWrite32 (PCI_SEGMENT_TO_PCI_ADDRESS (Address), Value);
+}
+
+/**
+ Performs a bitwise OR of a 32-bit PCI configuration register with a 32-bit
value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise OR between the read result and the value specified by
OrData,
+ and writes the result to the 32-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentOr32 (
+ IN UINT64 Address,
+ IN UINT32 OrData
+ )
+{
+ return PciSegmentWrite32 (Address, PciSegmentRead32 (Address) | OrData);
+}
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ and writes the result to the 32-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentAnd32 (
+ IN UINT64 Address,
+ IN UINT32 AndData
+ )
+{
+ return PciSegmentWrite32 (Address, PciSegmentRead32 (Address) & AndData);
+}
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
value,
+ followed a bitwise OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address,
+ performs a bitwise AND between the read result and the value specified by
AndData,
+ performs a bitwise OR between the result of the AND operation and the value
specified by OrData,
+ and writes the result to the 32-bit PCI configuration register specified by
Address.
+ The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
serialized.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address The address that encodes the PCI Segment, Bus, Device,
Function, and Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentAndThenOr32 (
+ IN UINT64 Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+{
+ return PciSegmentWrite32 (Address, (PciSegmentRead32 (Address) & AndData) |
OrData);
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address The PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldRead32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ return BitFieldRead32 (PciSegmentRead32 (Address), StartBit, EndBit);
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 32-bit register is returned.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param Value The new value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldWrite32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ )
+{
+ return PciSegmentWrite32 (
+ Address,
+ BitFieldWrite32 (PciSegmentRead32 (Address), StartBit, EndBit,
Value)
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldOr32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ )
+{
+ return PciSegmentWrite32 (
+ Address,
+ BitFieldOr32 (PciSegmentRead32 (Address), StartBit, EndBit, OrData)
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 32-bit register.
+
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
bitwise
+ AND between the read result and the value specified by AndData, and writes
the result
+ to the 32-bit PCI configuration register specified by Address. The value
written to
+ the PCI configuration register is returned. This function must guarantee
that all PCI
+ read and write operations are serialized. Extra left bits in AndData are
stripped.
+ If any reserved bits in Address are set, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldAnd32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ )
+{
+ return PciSegmentWrite32 (
+ Address,
+ BitFieldAnd32 (PciSegmentRead32 (Address), StartBit, EndBit,
AndData)
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+ bitwise OR, and writes the result back to the bit field in the
+ 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise OR between the read result and
+ the value specified by AndData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If any reserved bits in Address are set, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and
EndBit, then ASSERT().
+
+ @param Address The PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciSegmentBitFieldAndThenOr32 (
+ IN UINT64 Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+{
+ return PciSegmentWrite32 (
+ Address,
+ BitFieldAndThenOr32 (PciSegmentRead32 (Address), StartBit, EndBit,
AndData, OrData)
+ );
+}
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress and
+ Size into the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be read. Size is
+ returned. When possible 32-bit PCI configuration read cycles are used to read
+ from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+ and 16-bit PCI configuration read cycles may be used at the beginning and the
+ end of the range.
+
+ If any reserved bits in StartAddress are set, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress The starting address that encodes the PCI Segment,
Bus, Device,
+ Function and Register.
+ @param Size The size in bytes of the transfer.
+ @param Buffer The pointer to a buffer receiving the data read.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciSegmentReadBuffer (
+ IN UINT64 StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ )
+{
+ UINTN ReturnValue;
+
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (StartAddress, 0);
+ ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);
+
+ if (Size == 0) {
+ return Size;
+ }
+
+ ASSERT (Buffer != NULL);
+
+ //
+ // Save Size for return
+ //
+ ReturnValue = Size;
+
+ if ((StartAddress & BIT0) != 0) {
+ //
+ // Read a byte if StartAddress is byte aligned
+ //
+ *(volatile UINT8 *)Buffer = PciSegmentRead8 (StartAddress);
+ StartAddress += sizeof (UINT8);
+ Size -= sizeof (UINT8);
+ Buffer = (UINT8*)Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT16) && (StartAddress & BIT1) != 0) {
+ //
+ // Read a word if StartAddress is word aligned
+ //
+ WriteUnaligned16 (Buffer, PciSegmentRead16 (StartAddress));
+ StartAddress += sizeof (UINT16);
+ Size -= sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ while (Size >= sizeof (UINT32)) {
+ //
+ // Read as many double words as possible
+ //
+ WriteUnaligned32 (Buffer, PciSegmentRead32 (StartAddress));
+ StartAddress += sizeof (UINT32);
+ Size -= sizeof (UINT32);
+ Buffer = (UINT32*)Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT16)) {
+ //
+ // Read the last remaining word if exist
+ //
+ WriteUnaligned16 (Buffer, PciSegmentRead16 (StartAddress));
+ StartAddress += sizeof (UINT16);
+ Size -= sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT8)) {
+ //
+ // Read the last remaining byte if exist
+ //
+ *(volatile UINT8 *)Buffer = PciSegmentRead8 (StartAddress);
+ }
+
+ return ReturnValue;
+}
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI
+ configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress and
+ Size from the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be written. Size is
+ returned. When possible 32-bit PCI configuration write cycles are used to
+ write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+ and the end of the range.
+
+ If any reserved bits in StartAddress are set, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If Size > 0 and Buffer is NULL, then ASSERT().
+
+ @param StartAddress The starting address that encodes the PCI Segment,
Bus, Device,
+ Function and Register.
+ @param Size The size in bytes of the transfer.
+ @param Buffer The pointer to a buffer containing the data to write.
+
+ @return The parameter of Size.
+
+**/
+UINTN
+EFIAPI
+PciSegmentWriteBuffer (
+ IN UINT64 StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ )
+{
+ UINTN ReturnValue;
+
+ ASSERT_INVALID_PCI_SEGMENT_ADDRESS (StartAddress, 0);
+ ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);
+
+ if (Size == 0) {
+ return 0;
+ }
+
+ ASSERT (Buffer != NULL);
+
+ //
+ // Save Size for return
+ //
+ ReturnValue = Size;
+
+ if ((StartAddress & BIT0) != 0) {
+ //
+ // Write a byte if StartAddress is byte aligned
+ //
+ PciSegmentWrite8 (StartAddress, *(UINT8*) Buffer);
+ StartAddress += sizeof (UINT8);
+ Size -= sizeof (UINT8);
+ Buffer = (UINT8*) Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT16) && (StartAddress & BIT1) != 0) {
+ //
+ // Write a word if StartAddress is word aligned
+ //
+ PciSegmentWrite16 (StartAddress, ReadUnaligned16 (Buffer));
+ StartAddress += sizeof (UINT16);
+ Size -= sizeof (UINT16);
+ Buffer = (UINT16*) Buffer + 1;
+ }
+
+ while (Size >= sizeof (UINT32)) {
+ //
+ // Write as many double words as possible
+ //
+ PciSegmentWrite32 (StartAddress, ReadUnaligned32 (Buffer));
+ StartAddress += sizeof (UINT32);
+ Size -= sizeof (UINT32);
+ Buffer = (UINT32*) Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT16)) {
+ //
+ // Write the last remaining word if exist
+ //
+ PciSegmentWrite16 (StartAddress, ReadUnaligned16 (Buffer));
+ StartAddress += sizeof (UINT16);
+ Size -= sizeof (UINT16);
+ Buffer = (UINT16*) Buffer + 1;
+ }
+
+ if (Size >= sizeof (UINT8)) {
+ //
+ // Write the last remaining byte if exist
+ //
+ PciSegmentWrite8 (StartAddress, *(UINT8*) Buffer);
+ }
+
+ return ReturnValue;
+}
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.c
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.c
new file mode 100644
index 0000000000..4644de9b74
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.c
@@ -0,0 +1,86 @@
+/** @file
+ This file is BaseSiConfigBlockLib library is used to add config blocks
+ to config block header.
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <ConfigBlock.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/ConfigBlockLib.h>
+#include <Library/SiConfigBlockLib.h>
+
+
+/**
+ GetComponentConfigBlockTotalSize get config block table total size.
+
+ @param[in] ComponentBlocks Component blocks array
+ @param[in] TotalBlockCount Number of blocks
+
+ @retval Size of config block table
+**/
+UINT16
+EFIAPI
+GetComponentConfigBlockTotalSize (
+ IN COMPONENT_BLOCK_ENTRY *ComponentBlocks,
+ IN UINT16 TotalBlockCount
+ )
+{
+ UINT16 TotalBlockSize;
+ UINT16 BlockCount;
+
+ TotalBlockSize = 0;
+ for (BlockCount = 0 ; BlockCount < TotalBlockCount; BlockCount++) {
+ TotalBlockSize += (UINT32) ComponentBlocks[BlockCount].Size;
+ DEBUG ((DEBUG_INFO, "TotalBlockSize after adding Block[0x%x]= 0x%x\n",
BlockCount, TotalBlockSize));
+ }
+
+ return TotalBlockSize;
+}
+
+/**
+ AddComponentConfigBlocks add all config blocks.
+
+ @param[in] ConfigBlockTableAddress The pointer to add config blocks
+ @param[in] ComponentBlocks Config blocks array
+ @param[in] TotalBlockCount Number of blocks
+
+ @retval EFI_SUCCESS The policy default is initialized.
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
+**/
+EFI_STATUS
+EFIAPI
+AddComponentConfigBlocks (
+ IN VOID *ConfigBlockTableAddress,
+ IN COMPONENT_BLOCK_ENTRY *ComponentBlocks,
+ IN UINT16 TotalBlockCount
+ )
+{
+ UINT16 BlockCount;
+ VOID *ConfigBlockPointer;
+ CONFIG_BLOCK ConfigBlockBuf;
+ EFI_STATUS Status;
+
+ Status = EFI_SUCCESS;
+
+ //
+ // Initialize ConfigBlockPointer to NULL
+ //
+ ConfigBlockPointer = NULL;
+ //
+ // Loop to identify each config block from ComponentBlocks[] Table and add
each of them
+ //
+ for (BlockCount = 0; BlockCount < TotalBlockCount; BlockCount++) {
+ ZeroMem (&ConfigBlockBuf, sizeof (CONFIG_BLOCK));
+ CopyMem (&(ConfigBlockBuf.Header.GuidHob.Name),
ComponentBlocks[BlockCount].Guid, sizeof (EFI_GUID));
+ ConfigBlockBuf.Header.GuidHob.Header.HobLength =
ComponentBlocks[BlockCount].Size;
+ ConfigBlockBuf.Header.Revision =
ComponentBlocks[BlockCount].Revision;
+ ConfigBlockPointer = (VOID *)&ConfigBlockBuf;
+ Status = AddConfigBlock ((VOID *)ConfigBlockTableAddress, (VOID
*)&ConfigBlockPointer);
+ ASSERT_EFI_ERROR (Status);
+ ComponentBlocks[BlockCount].LoadDefault (ConfigBlockPointer);
+ }
+ return Status;
+}
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.inf
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.inf
new file mode 100644
index 0000000000..e23b2d342f
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/BaseSiConfigBlockLib/BaseSiConfigBlockLib.inf
@@ -0,0 +1,33 @@
+## @file
+# Component description file for the BaseSiConfigBlockLib library.
+#
+# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+
+[Defines]
+INF_VERSION = 0x00010017
+BASE_NAME = BaseSiConfigBlockLib
+FILE_GUID = 6C068D0F-F48E-48CB-B369-433E507AF4A2
+VERSION_STRING = 1.0
+MODULE_TYPE = BASE
+LIBRARY_CLASS = SiConfigBlockLib
+
+
+[LibraryClasses]
+DebugLib
+IoLib
+ConfigBlockLib
+
+
+[Packages]
+MdePkg/MdePkg.dec
+TigerlakeSiliconPkg/SiPkg.dec
+
+
+[Sources]
+BaseSiConfigBlockLib.c
+
+
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.c
b/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.c
new file mode 100644
index 0000000000..48e14dc9ee
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.c
@@ -0,0 +1,35 @@
+/** @file
+ This file contains routines that get PCI Express Address
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Library/BaseLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ This procedure will get PCIE address
+
+ @param[in] Bus Pci Bus Number
+ @param[in] Device Pci Device Number
+ @param[in] Function Pci Function Number
+
+ @retval PCIE address
+**/
+UINTN
+EFIAPI
+MmPciBase (
+ IN UINT32 Bus,
+ IN UINT32 Device,
+ IN UINT32 Function
+ )
+{
+ ASSERT ((Bus <= 0xFF) && (Device <= 0x1F) && (Function <= 0x7));
+
+#ifdef FSP_FLAG
+ return ((UINTN) PcdGet64 (PcdSiPciExpressBaseAddress) + (UINTN) (Bus << 20)
+ (UINTN) (Device << 15) + (UINTN) (Function << 12));
+#else
+ return ((UINTN) PcdGet64 (PcdPciExpressBaseAddress) + (UINTN) (Bus << 20)
+ (UINTN) (Device << 15) + (UINTN) (Function << 12));
+#endif
+}
diff --git
a/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.inf
b/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.inf
new file mode 100644
index 0000000000..353b97f3f6
--- /dev/null
+++
b/Silicon/Intel/TigerlakeSiliconPkg/Library/PeiDxeSmmMmPciLib/PeiDxeSmmMmPciLib.inf
@@ -0,0 +1,43 @@
+## @file
+# Component description file for the PeiDxeSmmMmPciLib
+#
+# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+
+[Defines]
+INF_VERSION = 0x00010017
+BASE_NAME = PeiDxeSmmMmPciLib
+FILE_GUID = D03D6670-A032-11E2-9E96-0800200C9A66
+VERSION_STRING = 1.0
+MODULE_TYPE = BASE
+LIBRARY_CLASS = MmPciLib
+#
+# The following information is for reference only and not required by the
build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+
+
+[LibraryClasses]
+BaseLib
+PcdLib
+DebugLib
+
+
+[Packages]
+MdePkg/MdePkg.dec
+TigerlakeSiliconPkg/SiPkg.dec
+
+
+[Pcd]
+gSiPkgTokenSpaceGuid.PcdSiPciExpressBaseAddress
+
+[FixedPcd]
+gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
+
+[Sources]
+PeiDxeSmmMmPciLib.c
--
2.24.0.windows.2
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