/** @file
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Intel System Agent policy initialization.
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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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#include "PeiSaPolicyUpdate.h"
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#include <CpuRegs.h>
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#include <Library/CpuPlatformLib.h>
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#include <Guid/MemoryTypeInformation.h>
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#include <Guid/MemoryOverwriteControl.h>
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#include <Library/HobLib.h>
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#include <PchAccess.h>
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#include <SaAccess.h>
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#include <Library/CpuMailboxLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PeiSaPolicyLib.h>
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#include <Library/GpioLib.h>
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#include <GpioPinsSklH.h>
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/**
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Performs FSP SA PEI Policy initialization in pre-memory.
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@param[in][out] FspmUpd Pointer to FSP UPD Data.
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@retval EFI_SUCCESS FSP UPD Data is updated.
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@retval EFI_NOT_FOUND Fail to locate required PPI.
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@retval Other FSP UPD Data update process fail.
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**/
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EFI_STATUS
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EFIAPI
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PeiFspSaPolicyUpdatePreMem (
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IN OUT FSPM_UPD *FspmUpd
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)
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{
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VOID *Buffer;
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//
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// Update UPD:DqPinsInterleaved
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//
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FspmUpd->FspmConfig.DqPinsInterleaved = (UINT8)PcdGetBool(PcdMrcDqPinsInterleaved);
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//
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// Update UPD:DqPinsInterleaved
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//
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FspmUpd->FspmConfig.CaVrefConfig = PcdGet8(PcdMrcCaVrefConfig);
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DEBUG((DEBUG_INFO, "Updating Dq Byte Map and DQS Byte Swizzling Settings...\n"));
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Buffer = (VOID *) (UINTN) PcdGet32 (PcdMrcDqByteMap);
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if (Buffer) {
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CopyMem ((VOID *)FspmUpd->FspmConfig.DqByteMapCh0, Buffer, 12);
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CopyMem ((VOID *)FspmUpd->FspmConfig.DqByteMapCh1, (UINT8*) Buffer + 12, 12);
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}
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Buffer = (VOID *) (UINTN) PcdGet32 (PcdMrcDqsMapCpu2Dram);
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if (Buffer) {
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CopyMem ((VOID *)FspmUpd->FspmConfig.DqsMapCpu2DramCh0, Buffer, 8);
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CopyMem ((VOID *)FspmUpd->FspmConfig.DqsMapCpu2DramCh1, (UINT8*) Buffer + 8, 8);
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}
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DEBUG((DEBUG_INFO, "Updating Dq Pins Interleaved,Rcomp Resistor & Rcomp Target Settings...\n"));
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Buffer = (VOID *) (UINTN) PcdGet32 (PcdMrcRcompResistor);
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if (Buffer) {
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CopyMem ((VOID *)FspmUpd->FspmConfig.RcompResistor, Buffer, 6);
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}
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Buffer = (VOID *) (UINTN) PcdGet32 (PcdMrcRcompTarget);
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if (Buffer) {
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CopyMem ((VOID *)FspmUpd->FspmConfig.RcompTarget, Buffer, 10);
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}
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return EFI_SUCCESS;
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}
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