1 files changed, 103 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/Include/Protocol/SpiHost.h b/Platform/BroxtonPlatformPkg/Common/Include/Protocol/SpiHost.h
new file mode 100644
index 0000000000..fc896c68f8
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/Include/Protocol/SpiHost.h
@@ -0,0 +1,103 @@
+/** @file
+  SPI Host Protocol.
+
+  Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>
+
+  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.
+
+**/
+
+#ifndef __SPI_HOST_H__
+#define __SPI_HOST_H__
+
+#include <Uefi.h>
+#include <Library/BaseMemoryLib.h>
+#include <Protocol/MmioDevice.h>
+#include <Protocol/SpiAcpi.h>
+
+
+/// SPI device operation
+///
+/// This structure provides the information necessary for an operation
+/// on an SPI device
+///
+typedef struct {
+  ///
+  /// Number of bytes to send to the SPI device
+  ///
+  UINT32 WriteBytes;
+
+  ///
+  /// Number of bytes to read, set to zero for write only operations
+  ///
+  UINT32 ReadBytes;
+
+  ///
+  /// Address of the buffer containing the data to send to the SPI device.
+  /// The WriteBuffer must be at least WriteBytes in length.
+  ///
+  UINT8 *WriteBuffer;
+
+  ///
+  /// Address of the buffer to receive data from the SPI device. Use NULL
+  /// for write only operations.  The ReadBuffer must be at least ReadBytes
+  /// in length.
+  ///
+  UINT8 *ReadBuffer;
+
+  UINT32 BytesWritten;
+
+  UINT32 BytesRead;
+
+  ///
+  /// Timeout for the SPI operation in 100 ns units
+  ///
+  UINT32 Timeout;
+} EFI_SPI_REQUEST_PACKET;
+
+
+typedef struct _EFI_SPI_ACPI_PROTOCOL EFI_SPI_ACPI_PROTOCOL;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SPI_ENUMERATE) (
+  IN EFI_SPI_ACPI_PROTOCOL *This,
+  IN OUT EFI_SPI_DEVICE **Device
+  );
+
+struct _EFI_SPI_ACPI_PROTOCOL{
+  ///
+  /// Start an I2C operation on the bus
+  ///
+  EFI_SPI_ENUMERATE Enumerate;
+};
+
+typedef struct _EFI_SPI_HOST_PROTOCOL EFI_SPI_HOST_PROTOCOL;
+
+typedef
+EFI_STATUS
+(EFIAPI* SPI_HOST_STARTREQUEST) (
+  IN EFI_SPI_HOST_PROTOCOL *This,
+  IN EFI_SPI_DEVICE * SpiDevice,
+  IN EFI_EVENT Event OPTIONAL,
+  IN EFI_SPI_REQUEST_PACKET *RequestPacket,
+  OUT EFI_STATUS *SpiStatus
+  );
+
+struct _EFI_SPI_HOST_PROTOCOL{
+  SPI_HOST_STARTREQUEST StartRequest;
+  UINT32 MaximumReceiveBytes;
+  UINT32 MaximumTransmitBytes;
+  UINT32 MaximumTotalBytes;
+};
+
+extern EFI_GUID gEfiSpiHostProtocolGuid;
+
+#endif  //  __SPI_HOST_H__
+