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