/** @file
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Policy definition for System Agent overclocking Config Block
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Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _OVERCLOCKING_PREMEM_CONFIG__H_
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#define _OVERCLOCKING_PREMEM_CONFIG__H_
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#pragma pack(push, 1)
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#define SA_OVERCLOCKING_CONFIG_REVISION 2
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/**
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Defines the overclocking configuration parameters for System Agent.\n
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<b>Revision 1</b>:
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- Initial version.
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<b>Revision 2</b>:
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- Add GT unslice support.
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**/
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typedef struct {
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CONFIG_BLOCK_HEADER Header; ///< Offset 0-27 Config Block Header
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/**
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Offset 28:0 :
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Enable disable of SA overclocking mailbox commands.
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If disabled, or if PcdSaOcEnable is disabled, all other policies in this config block are ignored.
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<b>0=Disable</b>,
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1=Enable
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**/
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UINT32 OcSupport : 1;
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UINT32 GtVoltageMode : 1; ///< Offset 28:1 :Specifies whether GT voltage is operating in Adaptive or Override mode: <b>0=Adaptive</b>, 1=Override
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UINT32 RealtimeMemoryTiming : 1; ///< Offset 28:2 :Enable/Disable the message sent to the CPU to allow realtime memory timing changes after MRC_DONE. <b>0=Disable</b>, 1=Enable
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UINT32 GtusVoltageMode : 1; ///< Offset 28:3 :Specifies whether GT unslice voltage is operating in Adaptive or Override mode: <b>0=Adaptive</b>, 1=Override
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UINT32 RsvdBits0 : 28; ///< Offset 28:4 - 31 :Reserved for future use
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UINT8 GtMaxOcRatio; ///< Offset 32 Maximum GT turbo ratio override: 0=Minimal, 255=Maximum, <b>0=AUTO</b>
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UINT8 Rsvd0; ///< Offset 33 Reserved for DWORD alignment
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INT16 GtVoltageOffset; ///< Offset 34 The voltage offset applied to GT slice. Valid range from -1000mv to 1000mv: <b>0=Minimal</b>, 1000=Maximum
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UINT16 GtVoltageOverride; ///< Offset 36 The GT voltage override which is applied to the entire range of GT frequencies <b>0=Default</b>
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UINT16 GtExtraTurboVoltage; ///< Offset 38 The adaptive voltage applied during turbo frequencies. Valid range from 0 to 2000mV: <b>0=Minimal</b>, 2000=Maximum
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INT16 SaVoltageOffset; ///< Offset 40 The voltage offset applied to the SA. Valid range from -1000mv to 1000mv: <b>0=Default</b>
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INT16 GtusVoltageOffset; ///< Offset 42 The voltage offset applied to GT unslice. Valid range from -1000mv to 1000mv: <b>0=Minimal</b>, 1000=Maximum
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UINT16 GtusVoltageOverride; ///< Offset 44 The GT unslice voltage override which is applied to the entire range of GT frequencies: <b>0=Default</b>
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UINT16 GtusExtraTurboVoltage; ///< Offset 46 The adaptive voltage applied during turbo frequencies. Valid range from 0 to 2000mV: <b>0=Default</b>
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UINT8 GtusMaxOcRatio; ///< Offset 48 Maximum GTus turbo ratio override: 0=Minimal, 6=Maximum, <b>0=AUTO</b>
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UINT8 Rsvd1[3]; ///< Offset 49-51 Reserved for DWORD alignment
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} OVERCLOCKING_PREMEM_CONFIG;
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#pragma pack(pop)
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#endif // _OVERCLOCKING_CONFIG_H_
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