/** @file
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@copyright
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Copyright 2017 - 2021 Intel Corporation. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __SCRATCHPAD_LIST__
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#define __SCRATCHPAD_LIST__
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//
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// Sticky BIOS Scratchpad 7. This struct contains the bit definitions for this Scratchpad.
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//
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// Comments: Reserved for Intel use.
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//
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#define BIOS_SCRATCHPAD7_COMPLETION_DELAY_RESET_COUNT_SIZE 2
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typedef union {
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struct {
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UINT32 Available : 4; // Bits[3:0] - These bits are not reserved.
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UINT32 EnteredColdResetFlow : 1; // Bits[4:4] - Entered cold reset flow.
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UINT32 CompletedColdResetFlow : 1; // Bits[5:5] - Completed cold reset flow.
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UINT32 CompletionDelayResetCount : BIOS_SCRATCHPAD7_COMPLETION_DELAY_RESET_COUNT_SIZE;
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// Bits[7:6] - The number of resets requested because the calculated
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// completion delay was out of bounds. Only the socket 0 instance of this is
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// used. This bitfield is used with workaround S1409301288.
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UINT32 Available1 : 7; // Bits[14:8] - These bits are not reserved.
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UINT32 CompletedWarmResetWA : 1; // Bits[15:15] - Indicates if the Warm reset WA was done in sec.
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UINT32 SbspSocketId : 4; // Bits[19:16] - SBSP socket id
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UINT32 PrefetchFailRecovery : 1; // Bits[20:20] - Prefetch failure/recovery.
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UINT32 UmaBasedClusteringDowngrade : 2; // Bits[22:21] - Indicate UMA based clusting downgrade
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// 0:default; 1: Quad-> Hemi 2: Quad-> Disable 3: Hemi-> Disable
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UINT32 MarginTestfailure : 1; // Bits[23:23] - This bit is set when Margin Test Fails
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UINT32 DcuModeSelect : 1; // Bits [24:24] - DCU_MODE select 0/1: 32KB 8-way no-ECC (hardware default) /
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// 16KB 4-way with ECC.
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UINT32 DwrBiosStall : 1; // Bits[25:25] - BIOS Stall if enter DWR.
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UINT32 InDwr : 1; // Bits[26:26] - In DWR.
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UINT32 FailMemChkFastColdBoot : 1; // Bits[27:27] - Bit set when setup option "DEBUG INTERFACE" is enabled
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UINT32 BistFrbEventLastBoot : 1; // Bits[28:28] - BIST/FRB event occured during the last boot.
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UINT32 RemoteSocketReleased : 1; // Bits[29:29] - Remote socket released in LT enabled system.
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UINT32 SncFailRecovery : 1; // Bits[30:30] - Snc failure/recovery.
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UINT32 AepDimmPresent : 1; // Bits[31:31] - AEP Dimm Present
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} Bits;
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UINT32 Data;
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} BIOS_SCRATCHPAD7_STRUCT;
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#endif // #ifndef __SCRATCHPAD_LIST__
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