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diff --git a/EDK/Foundation/Protocol/IsaIo/IsaIo.h b/EDK/Foundation/Protocol/IsaIo/IsaIo.h
new file mode 100644
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+++ b/EDK/Foundation/Protocol/IsaIo/IsaIo.h
@@ -0,0 +1,176 @@
+/*++
+
+Copyright (c) 2004, Intel Corporation                                                         
+All rights reserved. This program and the accompanying materials                          
+are licensed and made available under the terms and conditions of the BSD License         
+which accompanies this distribution.  The full text of the license may be found at        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+Module Name:
+
+    IsaIo.h
+    
+Abstract:
+
+    EFI ISA I/O Protocol
+
+Revision History
+
+--*/
+
+#ifndef _EFI_ISA_IO_H
+#define _EFI_ISA_IO_H
+
+#include EFI_PROTOCOL_DEFINITION(IsaAcpi)
+
+//
+// Global ID for the ISA I/O Protocol
+//
+
+#define EFI_ISA_IO_PROTOCOL_GUID \
+  { 0x7ee2bd44, 0x3da0, 0x11d4, 0x9a, 0x38, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }
+
+EFI_FORWARD_DECLARATION (EFI_ISA_IO_PROTOCOL);
+
+//
+// Prototypes for the ISA I/O Protocol
+//
+
+typedef enum {
+  EfiIsaIoWidthUint8,
+  EfiIsaIoWidthUint16,
+  EfiIsaIoWidthUint32,
+  EfiIsaIoWidthReserved,
+  EfiIsaIoWidthFifoUint8,
+  EfiIsaIoWidthFifoUint16,
+  EfiIsaIoWidthFifoUint32,
+  EfiIsaIoWidthFifoReserved,
+  EfiIsaIoWidthFillUint8,
+  EfiIsaIoWidthFillUint16,
+  EfiIsaIoWidthFillUint32,
+  EfiIsaIoWidthFillReserved,
+  EfiIsaIoWidthMaximum
+} EFI_ISA_IO_PROTOCOL_WIDTH;
+
+//
+// Attributes for common buffer allocations
+//
+#define EFI_ISA_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE  0x080    // Map a memory range so write are combined
+#define EFI_ISA_IO_ATTRIBUTE_MEMORY_CACHED         0x800    // Map a memory range so all r/w accesses are cached
+#define EFI_ISA_IO_ATTRIBUTE_MEMORY_DISABLE        0x1000   // Disable a memory range 
+
+//
+// Channel attribute for DMA operations
+//
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_COMPATIBLE  0x001
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_A           0x002
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_B           0x004
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_C           0x008
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8           0x010
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16          0x020
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE       0x040
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE       0x080
+#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_AUTO_INITIALIZE   0x100
+
+typedef enum {
+  EfiIsaIoOperationBusMasterRead,
+  EfiIsaIoOperationBusMasterWrite,
+  EfiIsaIoOperationBusMasterCommonBuffer,
+  EfiIsaIoOperationSlaveRead,
+  EfiIsaIoOperationSlaveWrite,
+  EfiIsaIoOperationMaximum
+} EFI_ISA_IO_PROTOCOL_OPERATION;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_IO_MEM) (
+  IN EFI_ISA_IO_PROTOCOL  *This,
+  IN     EFI_ISA_IO_PROTOCOL_WIDTH    Width,
+  IN     UINT32                       Offset,
+  IN     UINTN                        Count,
+  IN OUT VOID                         *Buffer
+  );
+
+typedef struct {
+  EFI_ISA_IO_PROTOCOL_IO_MEM  Read;
+  EFI_ISA_IO_PROTOCOL_IO_MEM  Write;
+} EFI_ISA_IO_PROTOCOL_ACCESS;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_COPY_MEM) (
+  IN EFI_ISA_IO_PROTOCOL  *This,
+  IN     EFI_ISA_IO_PROTOCOL_WIDTH    Width,
+  IN     UINT32                       DestOffset,
+  IN     UINT32                       SrcOffset,
+  IN     UINTN                        Count
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_MAP) (
+  IN EFI_ISA_IO_PROTOCOL    *This,
+  IN     EFI_ISA_IO_PROTOCOL_OPERATION  Operation,
+  IN     UINT8                          ChannelNumber      OPTIONAL,
+  IN     UINT32                         ChannelAttributes,
+  IN     VOID                           *HostAddress,
+  IN OUT UINTN                          *NumberOfBytes,
+  OUT    EFI_PHYSICAL_ADDRESS           *DeviceAddress,
+  OUT    VOID                           **Mapping
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_UNMAP) (
+  IN EFI_ISA_IO_PROTOCOL  *This,
+  IN  VOID                         *Mapping
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_ALLOCATE_BUFFER) (
+  IN EFI_ISA_IO_PROTOCOL  *This,
+  IN  EFI_ALLOCATE_TYPE            Type,
+  IN  EFI_MEMORY_TYPE              MemoryType,
+  IN  UINTN                        Pages,
+  OUT VOID                         **HostAddress,
+  IN  UINT64                       Attributes
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_FREE_BUFFER) (
+  IN EFI_ISA_IO_PROTOCOL  *This,
+  IN  UINTN                        Pages,
+  IN  VOID                         *HostAddress
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ISA_IO_PROTOCOL_FLUSH) (
+  IN EFI_ISA_IO_PROTOCOL  *This
+  );
+
+//
+// Interface structure for the ISA I/O Protocol
+//
+typedef struct _EFI_ISA_IO_PROTOCOL {
+  EFI_ISA_IO_PROTOCOL_ACCESS           Mem;
+  EFI_ISA_IO_PROTOCOL_ACCESS           Io;
+  EFI_ISA_IO_PROTOCOL_COPY_MEM         CopyMem;
+  EFI_ISA_IO_PROTOCOL_MAP              Map;
+  EFI_ISA_IO_PROTOCOL_UNMAP            Unmap;
+  EFI_ISA_IO_PROTOCOL_ALLOCATE_BUFFER  AllocateBuffer;
+  EFI_ISA_IO_PROTOCOL_FREE_BUFFER      FreeBuffer;
+  EFI_ISA_IO_PROTOCOL_FLUSH            Flush;
+  EFI_ISA_ACPI_RESOURCE_LIST           *ResourceList;
+  UINT32                               RomSize;
+  VOID                                 *RomImage;
+} EFI_ISA_IO_PROTOCOL;
+
+extern EFI_GUID gEfiIsaIoProtocolGuid;
+
+#endif