--- /dev/null
+/** @file\r
+ GUID for TSC frequency\r
+\r
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef _TSC_FREQUENCY_GUID_H_\r
+#define _TSC_FREQUENCY_GUID_H_\r
+\r
+#define EFI_TSC_FREQUENCY_GUID \\r
+ { \\r
+ 0xdba6a7e3, 0xbb57, 0x4be7, { 0x8a, 0xf8, 0xd5, 0x78, 0xdb, 0x7e, 0x56, 0x87 } \\r
+ }\r
+\r
+extern EFI_GUID gEfiTscFrequencyGuid;\r
+\r
+#endif\r