1 files changed, 72 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Include/Protocol/TcoReset.h b/Vlv2TbltDevicePkg/Include/Protocol/TcoReset.h
new file mode 100644
index 0000000000..d8047d408b
--- /dev/null
+++ b/Vlv2TbltDevicePkg/Include/Protocol/TcoReset.h
@@ -0,0 +1,72 @@
+/*++
+
+  Copyright (c) 2004  - 2014, 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 that 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:
+
+  TcoReset.h
+
+Abstract:
+
+  Protocol to communicate with ICH TCO.
+
+GUID Info:
+ {A6A79162-E325-4c30-BCC3-59373064EFB3}
+ 0xa6a79162, 0xe325, 0x4c30, 0xbc, 0xc3, 0x59, 0x37, 0x30, 0x64, 0xef, 0xb3);
+
+
+--*/
+
+#ifndef _TCO_RESET_H_
+#define _TCO_RESET_H_
+
+
+#define EFI_TCO_RESET_PROTOCOL_GUID  \
+  {0xa6a79162, 0xe325, 0x4c30, 0xbc, 0xc3, 0x59, 0x37, 0x30, 0x64, 0xef, 0xb3}
+
+typedef struct _EFI_TCO_RESET_PROTOCOL EFI_TCO_RESET_PROTOCOL;
+
+/**
+  Enables the TCO timer to reset the system in case of a system hang.  This is
+  used when writing the clock registers.
+
+  @param[in] RcrbGcsSaveValue  This is the value of the RCRB GCS register before it is
+                               changed by this procedure.  This will be used to restore
+                               the settings of this register in PpiDisableTcoReset.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TCO_RESET_PROTOCOL_ENABLE_TCO_RESET) (
+  IN      UINT32            *RcrbGcsSaveValue
+  );
+
+/**
+  Disables the TCO timer.  This is used after writing the clock registers.
+
+  @param[in] RcrbGcsRestoreValue  Value saved in PpiEnableTcoReset so that it can
+                                  restored.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TCO_RESET_PROTOCOL_DISABLE_TCO_RESET) (
+  OUT     UINT32    RcrbGcsRestoreValue
+  );
+
+typedef struct _EFI_TCO_RESET_PROTOCOL {
+  EFI_TCO_RESET_PROTOCOL_ENABLE_TCO_RESET       EnableTcoReset;
+  EFI_TCO_RESET_PROTOCOL_DISABLE_TCO_RESET    	DisableTcoReset;
+} EFI_TCO_RESET_PROTOCOL;
+
+extern EFI_GUID gEfiTcoResetProtocolGuid;
+
+#endif