Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Protocol/PchInfo.h

   1 /**
   2 **/
   3 /**
   4
   5 Copyright (c) 2012  - 2014, Intel Corporation. All rights reserved
   6
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9
  10
  11   @file
  12   PchInfo.h
  13
  14   @brief
  15   This file defines the PCH Info Protocol.
  16
  17 **/
  18 #ifndef _PCH_INFO_H_
  19 #define _PCH_INFO_H_
  20
  21
  22 #define EFI_PCH_INFO_PROTOCOL_GUID \
  23   { \
  24     0xd31f0400, 0x7d16, 0x4316, 0xbf, 0x88, 0x60, 0x65, 0x88, 0x3b, 0x40, 0x2b \
  25   }
  26 extern EFI_GUID                       gEfiPchInfoProtocolGuid;
  27
  28 ///
  29 /// Forward reference for ANSI C compatibility
  30 ///
  31 typedef struct _EFI_PCH_INFO_PROTOCOL EFI_PCH_INFO_PROTOCOL;
  32
  33 ///
  34 /// Protocol revision number
  35 /// Any backwards compatible changes to this protocol will result in an update in the revision number
  36 /// Major changes will require publication of a new protocol
  37 ///
  38 /// Revision 1:  Original version
  39 ///
  40 #define PCH_INFO_PROTOCOL_REVISION_1  1
  41 #define PCH_INFO_PROTOCOL_REVISION_2  2
  42
  43 ///
  44 /// RCVersion[7:0] is the release number.
  45 /// For example:
  46 /// VlvFramework 0.6.0-01 should be 00 06 00 01 (0x00060001)
  47 /// VlvFramework 0.6.2    should be 00 06 02 00 (0x00060200)
  48 ///
  49 #define PCH_RC_VERSION                0x01000000
  50
  51 ///
  52 /// Protocol definition
  53 ///
  54 struct _EFI_PCH_INFO_PROTOCOL {
  55   UINT8   Revision;
  56   UINT8   BusNumber;
  57   UINT32  RCVersion;
  58 };
  59
  60 #endif