CpuIo2Dxe is already used by RiscVVirt, so remove it.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584

Cc: Sunil V L <suni...@ventanamicro.com>
Cc: Andrei Warkentin <andrei.warken...@intel.com>
Signed-off-by: Chao Li <lic...@loongson.cn>
Reviewed-by: Sunil V L <suni...@ventanamicro.com>
---
 OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.c | 557 ------------------
 .../RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.inf   |  48 --
 2 files changed, 605 deletions(-)
 delete mode 100644 OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.c
 delete mode 100644 OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.inf

diff --git a/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.c 
b/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.c
deleted file mode 100644
index f3bf07e631..0000000000
--- a/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.c
+++ /dev/null
@@ -1,557 +0,0 @@
-/** @file
-  Produces the CPU I/O 2 Protocol.
-
-Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
-Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
-Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
-
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <PiDxe.h>
-
-#include <Protocol/CpuIo2.h>
-
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/IoLib.h>
-#include <Library/PcdLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#define MAX_IO_PORT_ADDRESS  0xFFFF
-
-//
-// Handle for the CPU I/O 2 Protocol
-//
-STATIC EFI_HANDLE  mHandle = NULL;
-
-//
-// Lookup table for increment values based on transfer widths
-//
-STATIC CONST UINT8  mInStride[] = {
-  1, // EfiCpuIoWidthUint8
-  2, // EfiCpuIoWidthUint16
-  4, // EfiCpuIoWidthUint32
-  8, // EfiCpuIoWidthUint64
-  0, // EfiCpuIoWidthFifoUint8
-  0, // EfiCpuIoWidthFifoUint16
-  0, // EfiCpuIoWidthFifoUint32
-  0, // EfiCpuIoWidthFifoUint64
-  1, // EfiCpuIoWidthFillUint8
-  2, // EfiCpuIoWidthFillUint16
-  4, // EfiCpuIoWidthFillUint32
-  8  // EfiCpuIoWidthFillUint64
-};
-
-//
-// Lookup table for increment values based on transfer widths
-//
-STATIC CONST UINT8  mOutStride[] = {
-  1, // EfiCpuIoWidthUint8
-  2, // EfiCpuIoWidthUint16
-  4, // EfiCpuIoWidthUint32
-  8, // EfiCpuIoWidthUint64
-  1, // EfiCpuIoWidthFifoUint8
-  2, // EfiCpuIoWidthFifoUint16
-  4, // EfiCpuIoWidthFifoUint32
-  8, // EfiCpuIoWidthFifoUint64
-  0, // EfiCpuIoWidthFillUint8
-  0, // EfiCpuIoWidthFillUint16
-  0, // EfiCpuIoWidthFillUint32
-  0  // EfiCpuIoWidthFillUint64
-};
-
-/**
-  Check parameters to a CPU I/O 2 Protocol service request.
-
-  The I/O operations are carried out exactly as requested. The caller is 
responsible
-  for satisfying any alignment and I/O width restrictions that a PI System on a
-  platform might require. For example on some platforms, width requests of
-  EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will
-  be handled by the driver.
-
-  @param[in] MmioOperation  TRUE for an MMIO operation, FALSE for I/O Port 
operation.
-  @param[in] Width          Signifies the width of the I/O or Memory operation.
-  @param[in] Address        The base address of the I/O operation.
-  @param[in] Count          The number of I/O operations to perform. The 
number of
-                            bytes moved is Width size * Count, starting at 
Address.
-  @param[in] Buffer         For read operations, the destination buffer to 
store the results.
-                            For write operations, the source buffer from which 
to write data.
-
-  @retval EFI_SUCCESS            The parameters for this request pass the 
checks.
-  @retval EFI_INVALID_PARAMETER  Width is invalid for this PI system.
-  @retval EFI_INVALID_PARAMETER  Buffer is NULL.
-  @retval EFI_UNSUPPORTED        The Buffer is not aligned for the given Width.
-  @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
-                                 and Count is not valid for this PI system.
-
-**/
-STATIC
-EFI_STATUS
-CpuIoCheckParameter (
-  IN BOOLEAN                    MmioOperation,
-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,
-  IN UINT64                     Address,
-  IN UINTN                      Count,
-  IN VOID                       *Buffer
-  )
-{
-  UINT64  MaxCount;
-  UINT64  Limit;
-
-  //
-  // Check to see if Buffer is NULL
-  //
-  if (Buffer == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // Check to see if Width is in the valid range
-  //
-  if ((UINT32)Width >= EfiCpuIoWidthMaximum) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // For FIFO type, the target address won't increase during the access,
-  // so treat Count as 1
-  //
-  if ((Width >= EfiCpuIoWidthFifoUint8) && (Width <= EfiCpuIoWidthFifoUint64)) 
{
-    Count = 1;
-  }
-
-  //
-  // Check to see if Width is in the valid range for I/O Port operations
-  //
-  Width = (EFI_CPU_IO_PROTOCOL_WIDTH)(Width & 0x03);
-  if (!MmioOperation && (Width == EfiCpuIoWidthUint64)) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // Check to see if Address is aligned
-  //
-  if ((Address & (UINT64)(mInStride[Width] - 1)) != 0) {
-    return EFI_UNSUPPORTED;
-  }
-
-  //
-  // Check to see if any address associated with this transfer exceeds the 
maximum
-  // allowed address.  The maximum address implied by the parameters passed in 
is
-  // Address + Size * Count.  If the following condition is met, then the 
transfer
-  // is not supported.
-  //
-  //    Address + Size * Count > (MmioOperation ? MAX_ADDRESS : 
MAX_IO_PORT_ADDRESS) + 1
-  //
-  // Since MAX_ADDRESS can be the maximum integer value supported by the CPU 
and Count
-  // can also be the maximum integer value supported by the CPU, this range
-  // check must be adjusted to avoid all overflow conditions.
-  //
-  // The following form of the range check is equivalent but assumes that
-  // MAX_ADDRESS and MAX_IO_PORT_ADDRESS are of the form (2^n - 1).
-  //
-  Limit = (MmioOperation ? MAX_ADDRESS : MAX_IO_PORT_ADDRESS);
-  if (Count == 0) {
-    if (Address > Limit) {
-      return EFI_UNSUPPORTED;
-    }
-  } else {
-    MaxCount = RShiftU64 (Limit, Width);
-    if (MaxCount < (Count - 1)) {
-      return EFI_UNSUPPORTED;
-    }
-
-    if (Address > LShiftU64 (MaxCount - Count + 1, Width)) {
-      return EFI_UNSUPPORTED;
-    }
-  }
-
-  //
-  // Check to see if Buffer is aligned
-  //
-  if (((UINTN)Buffer & ((MIN (sizeof (UINTN), mInStride[Width])  - 1))) != 0) {
-    return EFI_UNSUPPORTED;
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Reads memory-mapped registers.
-
-  The I/O operations are carried out exactly as requested. The caller is 
responsible
-  for satisfying any alignment and I/O width restrictions that a PI System on a
-  platform might require. For example on some platforms, width requests of
-  EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will
-  be handled by the driver.
-
-  If Width is EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, EfiCpuIoWidthUint32,
-  or EfiCpuIoWidthUint64, then both Address and Buffer are incremented for
-  each of the Count operations that is performed.
-
-  If Width is EfiCpuIoWidthFifoUint8, EfiCpuIoWidthFifoUint16,
-  EfiCpuIoWidthFifoUint32, or EfiCpuIoWidthFifoUint64, then only Buffer is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times on the same Address.
-
-  If Width is EfiCpuIoWidthFillUint8, EfiCpuIoWidthFillUint16,
-  EfiCpuIoWidthFillUint32, or EfiCpuIoWidthFillUint64, then only Address is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times from the first element of Buffer.
-
-  @param[in]  This     A pointer to the EFI_CPU_IO2_PROTOCOL instance.
-  @param[in]  Width    Signifies the width of the I/O or Memory operation.
-  @param[in]  Address  The base address of the I/O operation.
-  @param[in]  Count    The number of I/O operations to perform. The number of
-                       bytes moved is Width size * Count, starting at Address.
-  @param[out] Buffer   For read operations, the destination buffer to store 
the results.
-                       For write operations, the source buffer from which to 
write data.
-
-  @retval EFI_SUCCESS            The data was read from or written to the PI 
system.
-  @retval EFI_INVALID_PARAMETER  Width is invalid for this PI system.
-  @retval EFI_INVALID_PARAMETER  Buffer is NULL.
-  @retval EFI_UNSUPPORTED        The Buffer is not aligned for the given Width.
-  @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
-                                 and Count is not valid for this PI system.
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CpuMemoryServiceRead (
-  IN  EFI_CPU_IO2_PROTOCOL       *This,
-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,
-  IN  UINT64                     Address,
-  IN  UINTN                      Count,
-  OUT VOID                       *Buffer
-  )
-{
-  EFI_STATUS                 Status;
-  UINT8                      InStride;
-  UINT8                      OutStride;
-  EFI_CPU_IO_PROTOCOL_WIDTH  OperationWidth;
-  UINT8                      *Uint8Buffer;
-
-  Status = CpuIoCheckParameter (TRUE, Width, Address, Count, Buffer);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  //
-  // Select loop based on the width of the transfer
-  //
-  InStride       = mInStride[Width];
-  OutStride      = mOutStride[Width];
-  OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH)(Width & 0x03);
-  for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += 
OutStride, Count--) {
-    if (OperationWidth == EfiCpuIoWidthUint8) {
-      *Uint8Buffer = MmioRead8 ((UINTN)Address);
-    } else if (OperationWidth == EfiCpuIoWidthUint16) {
-      *((UINT16 *)Uint8Buffer) = MmioRead16 ((UINTN)Address);
-    } else if (OperationWidth == EfiCpuIoWidthUint32) {
-      *((UINT32 *)Uint8Buffer) = MmioRead32 ((UINTN)Address);
-    } else if (OperationWidth == EfiCpuIoWidthUint64) {
-      *((UINT64 *)Uint8Buffer) = MmioRead64 ((UINTN)Address);
-    }
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Writes memory-mapped registers.
-
-  The I/O operations are carried out exactly as requested. The caller is 
responsible
-  for satisfying any alignment and I/O width restrictions that a PI System on a
-  platform might require. For example on some platforms, width requests of
-  EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will
-  be handled by the driver.
-
-  If Width is EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, EfiCpuIoWidthUint32,
-  or EfiCpuIoWidthUint64, then both Address and Buffer are incremented for
-  each of the Count operations that is performed.
-
-  If Width is EfiCpuIoWidthFifoUint8, EfiCpuIoWidthFifoUint16,
-  EfiCpuIoWidthFifoUint32, or EfiCpuIoWidthFifoUint64, then only Buffer is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times on the same Address.
-
-  If Width is EfiCpuIoWidthFillUint8, EfiCpuIoWidthFillUint16,
-  EfiCpuIoWidthFillUint32, or EfiCpuIoWidthFillUint64, then only Address is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times from the first element of Buffer.
-
-  @param[in]  This     A pointer to the EFI_CPU_IO2_PROTOCOL instance.
-  @param[in]  Width    Signifies the width of the I/O or Memory operation.
-  @param[in]  Address  The base address of the I/O operation.
-  @param[in]  Count    The number of I/O operations to perform. The number of
-                       bytes moved is Width size * Count, starting at Address.
-  @param[in]  Buffer   For read operations, the destination buffer to store 
the results.
-                       For write operations, the source buffer from which to 
write data.
-
-  @retval EFI_SUCCESS            The data was read from or written to the PI 
system.
-  @retval EFI_INVALID_PARAMETER  Width is invalid for this PI system.
-  @retval EFI_INVALID_PARAMETER  Buffer is NULL.
-  @retval EFI_UNSUPPORTED        The Buffer is not aligned for the given Width.
-  @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
-                                 and Count is not valid for this PI system.
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CpuMemoryServiceWrite (
-  IN EFI_CPU_IO2_PROTOCOL       *This,
-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,
-  IN UINT64                     Address,
-  IN UINTN                      Count,
-  IN VOID                       *Buffer
-  )
-{
-  EFI_STATUS                 Status;
-  UINT8                      InStride;
-  UINT8                      OutStride;
-  EFI_CPU_IO_PROTOCOL_WIDTH  OperationWidth;
-  UINT8                      *Uint8Buffer;
-
-  Status = CpuIoCheckParameter (TRUE, Width, Address, Count, Buffer);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  //
-  // Select loop based on the width of the transfer
-  //
-  InStride       = mInStride[Width];
-  OutStride      = mOutStride[Width];
-  OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH)(Width & 0x03);
-  for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += 
OutStride, Count--) {
-    if (OperationWidth == EfiCpuIoWidthUint8) {
-      MmioWrite8 ((UINTN)Address, *Uint8Buffer);
-    } else if (OperationWidth == EfiCpuIoWidthUint16) {
-      MmioWrite16 ((UINTN)Address, *((UINT16 *)Uint8Buffer));
-    } else if (OperationWidth == EfiCpuIoWidthUint32) {
-      MmioWrite32 ((UINTN)Address, *((UINT32 *)Uint8Buffer));
-    } else if (OperationWidth == EfiCpuIoWidthUint64) {
-      MmioWrite64 ((UINTN)Address, *((UINT64 *)Uint8Buffer));
-    }
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Reads I/O registers.
-
-  The I/O operations are carried out exactly as requested. The caller is 
responsible
-  for satisfying any alignment and I/O width restrictions that a PI System on a
-  platform might require. For example on some platforms, width requests of
-  EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will
-  be handled by the driver.
-
-  If Width is EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, EfiCpuIoWidthUint32,
-  or EfiCpuIoWidthUint64, then both Address and Buffer are incremented for
-  each of the Count operations that is performed.
-
-  If Width is EfiCpuIoWidthFifoUint8, EfiCpuIoWidthFifoUint16,
-  EfiCpuIoWidthFifoUint32, or EfiCpuIoWidthFifoUint64, then only Buffer is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times on the same Address.
-
-  If Width is EfiCpuIoWidthFillUint8, EfiCpuIoWidthFillUint16,
-  EfiCpuIoWidthFillUint32, or EfiCpuIoWidthFillUint64, then only Address is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times from the first element of Buffer.
-
-  @param[in]  This     A pointer to the EFI_CPU_IO2_PROTOCOL instance.
-  @param[in]  Width    Signifies the width of the I/O or Memory operation.
-  @param[in]  Address  The base address of the I/O operation.
-  @param[in]  Count    The number of I/O operations to perform. The number of
-                       bytes moved is Width size * Count, starting at Address.
-  @param[out] Buffer   For read operations, the destination buffer to store 
the results.
-                       For write operations, the source buffer from which to 
write data.
-
-  @retval EFI_SUCCESS            The data was read from or written to the PI 
system.
-  @retval EFI_INVALID_PARAMETER  Width is invalid for this PI system.
-  @retval EFI_INVALID_PARAMETER  Buffer is NULL.
-  @retval EFI_UNSUPPORTED        The Buffer is not aligned for the given Width.
-  @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
-                                 and Count is not valid for this PI system.
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CpuIoServiceRead (
-  IN  EFI_CPU_IO2_PROTOCOL       *This,
-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,
-  IN  UINT64                     Address,
-  IN  UINTN                      Count,
-  OUT VOID                       *Buffer
-  )
-{
-  EFI_STATUS                 Status;
-  UINT8                      InStride;
-  UINT8                      OutStride;
-  EFI_CPU_IO_PROTOCOL_WIDTH  OperationWidth;
-  UINT8                      *Uint8Buffer;
-
-  Status = CpuIoCheckParameter (FALSE, Width, Address, Count, Buffer);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Address += PcdGet64 (PcdPciIoTranslation);
-
-  //
-  // Select loop based on the width of the transfer
-  //
-  InStride       = mInStride[Width];
-  OutStride      = mOutStride[Width];
-  OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH)(Width & 0x03);
-
-  for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += 
OutStride, Count--) {
-    if (OperationWidth == EfiCpuIoWidthUint8) {
-      *Uint8Buffer = MmioRead8 ((UINTN)Address);
-    } else if (OperationWidth == EfiCpuIoWidthUint16) {
-      *((UINT16 *)Uint8Buffer) = MmioRead16 ((UINTN)Address);
-    } else if (OperationWidth == EfiCpuIoWidthUint32) {
-      *((UINT32 *)Uint8Buffer) = MmioRead32 ((UINTN)Address);
-    }
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Write I/O registers.
-
-  The I/O operations are carried out exactly as requested. The caller is 
responsible
-  for satisfying any alignment and I/O width restrictions that a PI System on a
-  platform might require. For example on some platforms, width requests of
-  EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will
-  be handled by the driver.
-
-  If Width is EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, EfiCpuIoWidthUint32,
-  or EfiCpuIoWidthUint64, then both Address and Buffer are incremented for
-  each of the Count operations that is performed.
-
-  If Width is EfiCpuIoWidthFifoUint8, EfiCpuIoWidthFifoUint16,
-  EfiCpuIoWidthFifoUint32, or EfiCpuIoWidthFifoUint64, then only Buffer is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times on the same Address.
-
-  If Width is EfiCpuIoWidthFillUint8, EfiCpuIoWidthFillUint16,
-  EfiCpuIoWidthFillUint32, or EfiCpuIoWidthFillUint64, then only Address is
-  incremented for each of the Count operations that is performed. The read or
-  write operation is performed Count times from the first element of Buffer.
-
-  @param[in]  This     A pointer to the EFI_CPU_IO2_PROTOCOL instance.
-  @param[in]  Width    Signifies the width of the I/O or Memory operation.
-  @param[in]  Address  The base address of the I/O operation.
-  @param[in]  Count    The number of I/O operations to perform. The number of
-                       bytes moved is Width size * Count, starting at Address.
-  @param[in]  Buffer   For read operations, the destination buffer to store 
the results.
-                       For write operations, the source buffer from which to 
write data.
-
-  @retval EFI_SUCCESS            The data was read from or written to the PI 
system.
-  @retval EFI_INVALID_PARAMETER  Width is invalid for this PI system.
-  @retval EFI_INVALID_PARAMETER  Buffer is NULL.
-  @retval EFI_UNSUPPORTED        The Buffer is not aligned for the given Width.
-  @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
-                                 and Count is not valid for this PI system.
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CpuIoServiceWrite (
-  IN EFI_CPU_IO2_PROTOCOL       *This,
-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,
-  IN UINT64                     Address,
-  IN UINTN                      Count,
-  IN VOID                       *Buffer
-  )
-{
-  EFI_STATUS                 Status;
-  UINT8                      InStride;
-  UINT8                      OutStride;
-  EFI_CPU_IO_PROTOCOL_WIDTH  OperationWidth;
-  UINT8                      *Uint8Buffer;
-
-  //
-  // Make sure the parameters are valid
-  //
-  Status = CpuIoCheckParameter (FALSE, Width, Address, Count, Buffer);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Address += PcdGet64 (PcdPciIoTranslation);
-
-  //
-  // Select loop based on the width of the transfer
-  //
-  InStride       = mInStride[Width];
-  OutStride      = mOutStride[Width];
-  OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH)(Width & 0x03);
-
-  for (Uint8Buffer = (UINT8 *)Buffer; Count > 0; Address += InStride, 
Uint8Buffer += OutStride, Count--) {
-    if (OperationWidth == EfiCpuIoWidthUint8) {
-      MmioWrite8 ((UINTN)Address, *Uint8Buffer);
-    } else if (OperationWidth == EfiCpuIoWidthUint16) {
-      MmioWrite16 ((UINTN)Address, *((UINT16 *)Uint8Buffer));
-    } else if (OperationWidth == EfiCpuIoWidthUint32) {
-      MmioWrite32 ((UINTN)Address, *((UINT32 *)Uint8Buffer));
-    }
-  }
-
-  return EFI_SUCCESS;
-}
-
-//
-// CPU I/O 2 Protocol instance
-//
-STATIC EFI_CPU_IO2_PROTOCOL  mCpuIo2 = {
-  {
-    CpuMemoryServiceRead,
-    CpuMemoryServiceWrite
-  },
-  {
-    CpuIoServiceRead,
-    CpuIoServiceWrite
-  }
-};
-
-/**
-  The user Entry Point for module CpuIo2Dxe. The user code starts with this 
function.
-
-  @param[in] ImageHandle    The firmware allocated handle for the EFI image.
-  @param[in] SystemTable    A pointer to the EFI System Table.
-
-  @retval EFI_SUCCESS       The entry point is executed successfully.
-  @retval other             Some error occurs when executing this entry point.
-
-**/
-EFI_STATUS
-EFIAPI
-PciCpuIo2Initialize (
-  IN EFI_HANDLE        ImageHandle,
-  IN EFI_SYSTEM_TABLE  *SystemTable
-  )
-{
-  EFI_STATUS  Status;
-
-  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiCpuIo2ProtocolGuid);
-  Status = gBS->InstallMultipleProtocolInterfaces (
-                  &mHandle,
-                  &gEfiCpuIo2ProtocolGuid,
-                  &mCpuIo2,
-                  NULL
-                  );
-  ASSERT_EFI_ERROR (Status);
-
-  return Status;
-}
diff --git a/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.inf 
b/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.inf
deleted file mode 100644
index 4f78cfa406..0000000000
--- a/OvmfPkg/RiscVVirt/PciCpuIo2Dxe/PciCpuIo2Dxe.inf
+++ /dev/null
@@ -1,48 +0,0 @@
-## @file
-#  Produces the CPU I/O 2 Protocol by using the services of the I/O Library.
-#
-# Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
-# Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
-# Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-##
-
-[Defines]
-  INF_VERSION                    = 0x0001001B
-  BASE_NAME                      = PciCpuIo2Dxe
-  FILE_GUID                      = 9BD3C765-2579-4CF0-9349-D77205565030
-  MODULE_TYPE                    = DXE_DRIVER
-  VERSION_STRING                 = 1.0
-  ENTRY_POINT                    = PciCpuIo2Initialize
-
-#
-# The following information is for reference only and not required by the 
build tools.
-#
-#  VALID_ARCHITECTURES           = RISCV64
-#
-
-[Sources]
-  PciCpuIo2Dxe.c
-
-[Packages]
-  OvmfPkg/OvmfPkg.dec
-  MdePkg/MdePkg.dec
-
-[LibraryClasses]
-  UefiDriverEntryPoint
-  BaseLib
-  DebugLib
-  IoLib
-  PcdLib
-  UefiBootServicesTableLib
-
-[Pcd]
-  gEfiMdePkgTokenSpaceGuid.PcdPciIoTranslation
-
-[Protocols]
-  gEfiCpuIo2ProtocolGuid                         ## PRODUCES
-
-[Depex]
-  TRUE
-- 
2.27.0



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