diff --git a/MdePkg/Include/IndustryStandard/Cxl.h b/MdePkg/Include/IndustryStandard/Cxl.h
new file mode 100644
index 0000000000..632aa146d0
--- /dev/null
+++ b/MdePkg/Include/IndustryStandard/Cxl.h
@@ -0,0 +1,22 @@
+/** @file
+  Support for the latest CXL standard
+
+  The main header to reference all versions of CXL Base specification registers
+  from the MDE
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _CXL_MAIN_H_
+#define _CXL_MAIN_H_
+
+#include <IndustryStandard/Cxl11.h>
+//
+// CXL assigned new Vendor ID
+//
+#define CXL_DVSEC_VENDOR_ID                                             0x1E98
+
+#endif
+