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| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.gz edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.bz2 edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.zip | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c b/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c new file mode 100644 index 0000000000..69932223bd --- /dev/null +++ b/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c @@ -0,0 +1,77 @@ +/** @file
+
+ 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:
+
+
+ IdccInfo.c
+
+Abstract:
+
+ Platform information used by IDCC.
+
+Revision History
+
+--*/
+
+#include "PlatformDxe.h"
+
+#include <Guid/IdccData.h>
+
+extern EFI_GUID mPlatformDriverGuid;
+
+
+EFI_STATUS
+WriteIdccInfo (
+ )
+{
+ EFI_STATUS Status;
+ EFI_DATA_HUB_PROTOCOL *DataHub;
+ UINT8 Ratio;
+ EFI_IDCC_PROCESSOR_RATIO ProcRatio;
+
+ //
+ // Locate the data hub protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiDataHubProtocolGuid,
+ NULL,
+ (VOID **) &DataHub
+ );
+
+ //
+ // Find processor actual ratio
+ //
+ Ratio = 15; //Temporary - some dummy value.
+
+ //
+ // Fill in IDCC Type 5 structure
+ //
+ ProcRatio.IdccHeader.Type = EFI_IDCC_PROC_RATIO_TYPE;
+ ProcRatio.IdccHeader.RecordLength = sizeof(EFI_IDCC_PROCESSOR_RATIO);
+ ProcRatio.ProcessorRatio = Ratio;
+
+ //
+ // Write data to the data hub
+ //
+ Status = DataHub->LogData (
+ DataHub,
+ &gIdccDataHubGuid,
+ &mPlatformDriverGuid,
+ EFI_DATA_RECORD_CLASS_DATA,
+ &ProcRatio,
+ sizeof(EFI_IDCC_PROCESSOR_RATIO)
+ );
+
+ return Status;
+}
|