/** @file
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@copyright
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Copyright 2012 - 2021 Intel Corporation. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Uefi/UefiSpec.h>
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#include <Ppi/UbaCfgDb.h>
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#include <Ppi/DynamicSiLibraryPpi.h>
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#include <Base.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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//
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// UBA and GPIO headers
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//
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#include <Library/UbaGpioPlatformConfig.h>
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#include <Library/GpioLib.h>
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/**
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Function gets pointers to the UBA data installed by the right RP package
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@param[out] GpioParams The pointer to the platform GPIO parameters
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@retval EFI_SUCCESS The function completed successfully
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**/
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EFI_STATUS
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PlatformGetGpioPlatformMappings (
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IN OUT PLATFORM_GPIO_CONFIG_TABLE *GpioParams
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)
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{
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EFI_STATUS Status;
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UBA_CONFIG_DATABASE_PPI *UbaConfigPpi = NULL;
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UINTN TableSize;
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Status = PeiServicesLocatePpi (&gUbaConfigDatabasePpiGuid, 0, NULL, &UbaConfigPpi);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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TableSize = sizeof(PLATFORM_GPIO_CONFIG_TABLE);
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Status = UbaConfigPpi->GetData (
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UbaConfigPpi,
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&gPlatformGpioPlatformConfigDataGuid,
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GpioParams,
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&TableSize
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);
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return Status;
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}
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/**
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Reads GPIO pin to get Flash Security Override jumper status
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@param[out] Jumper - The pointer to the jumper output
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@retval Status - Success if GPIO's are read properly
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Jumper - 0x0 if an error happened, otherwise the jumperl value
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**/
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EFI_STATUS
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GpioGetFlashSecOvrdVal (
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OUT UINT32 *Jumper
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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*Jumper = 0x0;
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.FlashSecOverride == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.FlashSecOverride, Jumper);
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return Status;
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}
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/**
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Reads GPIO pin to get recovery jumper status
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@param[out] RcvJumper - The pointer to the Recovery jumper input
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@retval Status - Success if GPIO's are read properly
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**/
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EFI_STATUS
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GpioGetRcvPadVal (
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OUT UINT32 *RcvJumper
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.RcvJumper == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.RcvJumper, RcvJumper);
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return Status;
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}
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/**
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Reads GPIO pin to get FM ADR trigger pin
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@param[out] FmAdrTrigger - The pointer to the ADR trigger input
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@retval Status - Success if GPIO's are read properly
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**/
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EFI_STATUS
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GpioGetFmAdrTriggerPadVal (
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OUT UINT32 *FmAdrTrigger
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.FmAdrTrigger == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.FmAdrTrigger, FmAdrTrigger);
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return Status;
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}
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/**
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Sets GPIO pin to enable ADR on the board
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@param Set[in] - If TRUE means the pas should go 'high', otherwise 'low'
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@retval Status - Success if GPIO set properly
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**/
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EFI_STATUS
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GpioSetAdrEnablePadOutVal (
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IN BOOLEAN Set
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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if (GpioPlatformConfig.AdrEnable == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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if (Set) {
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Status = DynamicSiLibraryPpi->GpioSetOutputValue (GpioPlatformConfig.AdrEnable, GpioOutHigh);
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}
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else {
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Status = DynamicSiLibraryPpi->GpioSetOutputValue (GpioPlatformConfig.AdrEnable, GpioOutLow);
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}
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return Status;
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}
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/**
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Reads GPIO pin to Force to S1 config mode pad
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@param[out] ForceS1ConfigPad - Input value of the Froce S1 Config pad
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@retval Status - Success if GPIO's are read properly
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**/
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EFI_STATUS
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GpioGetForcetoS1ConfigModePadVal (
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OUT UINT32 *ForceS1ConfigPad
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.ForceTo1SConfigModePad == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.ForceTo1SConfigModePad, ForceS1ConfigPad);
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return Status;
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}
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/**
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Reads GPIO pin related to QAT
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@param[out] QATPad - Input value of the QAT pad
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@retval Status - Success if GPIO's are read properly
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**/
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EFI_STATUS
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GpioGetQATPadVal (
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OUT UINT32 *QATPad
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.QATGpio == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.QATGpio, QATPad);
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return Status;
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}
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/**
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Get GPIO pin for FPGA error detection RAS functionality
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@param[out] FpgaErrorPad -The input value of the FPGA error 1 pad
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@retval Status - Success if GPIO's pad read properly
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**/
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EFI_STATUS
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GpioGetFpgaErrorPad1 (
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OUT UINT32 *FpgaErrorPad
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.FpgaErrorSingnalPad1 == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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*FpgaErrorPad = (UINT32) GpioPlatformConfig.FpgaErrorSingnalPad1;
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return EFI_SUCCESS;
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}
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/**
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Get GPIO pin for FPGA error detection RAS functionality
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@param[out] FpgaErrorPad -The input value of the FPGA error 2 pad
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@retval Status - Success if GPIO's pad read properly
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**/
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EFI_STATUS
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GpioGetFpgaErrorPad2 (
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OUT UINT32 *FpgaErrorPad
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.FpgaErrorSingnalPad2 == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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*FpgaErrorPad = (UINT32) GpioPlatformConfig.FpgaErrorSingnalPad2;
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return Status;
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}
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/**
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Get GPIO pin for CPU HP SMI detection for RAS functionality
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@retval Status - Success if GPIO's pad read properly
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**/
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EFI_STATUS
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GpioGetCpuHpSmiPad (
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OUT UINT32 *CpuHpSmiPad
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.CpuHpSmiPad == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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*CpuHpSmiPad = (UINT32) GpioPlatformConfig.CpuHpSmiPad;
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return Status;
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}
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/**
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Reads GPIO pin that is first bit of the Board ID indication word
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@retval Status - Success if GPIO's are read properly
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**/
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EFI_STATUS
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GpioGetBoardId0PadVal (
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OUT UINT32 *BoardID0Gpio
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.BoardID0Gpio == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.BoardID0Gpio, BoardID0Gpio);
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return Status;
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}
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/**
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Sets GPIO's used for Boot Mode
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@param None
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@retval Status - Success if GPIO's are configured
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**/
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EFI_STATUS
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GpioConfigForMFGMode (
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VOID
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)
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{
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EFI_STATUS Status;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (GpioPlatformConfig.GpioMfgPad.GpioPad == UNUSED_GPIO) {
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return EFI_UNSUPPORTED;
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}
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DEBUG ((EFI_D_INFO, "Start ConfigureGpio() for BootMode Detection.\n"));
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Status = DynamicSiLibraryPpi->GpioSetPadConfig (GpioPlatformConfig.GpioMfgPad.GpioPad, &GpioPlatformConfig.GpioMfgPad.GpioConfig);
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ASSERT_EFI_ERROR (Status);
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DEBUG ((EFI_D_INFO, "End ConfigureGpio() for BootMode Detection.\n"));
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return Status;
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}
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/**
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Checks whether the MDF jumper has been set
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@param None
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@retval ManufacturingMode - TRUE when MFG jumper is on, FALSE otherwise
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**/
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BOOLEAN
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IsManufacturingMode (
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VOID
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)
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{
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BOOLEAN ManufacturingMode = TRUE;
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EFI_STATUS Status;
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UINT32 GpiValue;
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PLATFORM_GPIO_CONFIG_TABLE GpioPlatformConfig;
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DYNAMIC_SI_LIBARY_PPI *DynamicSiLibraryPpi = NULL;
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Status = PeiServicesLocatePpi (&gDynamicSiLibraryPpiGuid, 0, NULL, &DynamicSiLibraryPpi);
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if (EFI_ERROR (Status)) {
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ASSERT_EFI_ERROR (Status);
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return FALSE;
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}
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Status = PlatformGetGpioPlatformMappings (&GpioPlatformConfig);
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ASSERT_EFI_ERROR (Status);
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if (GpioPlatformConfig.GpioMfgPad.GpioPad == UNUSED_GPIO) {
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return FALSE;
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}
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Status = GpioConfigForMFGMode ();
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ASSERT_EFI_ERROR (Status);
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Status = DynamicSiLibraryPpi->GpioGetInputValue (GpioPlatformConfig.GpioMfgPad.GpioPad, &GpiValue);
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ASSERT_EFI_ERROR (Status);
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if (!GpiValue) {
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ManufacturingMode = FALSE;
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}
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return ManufacturingMode;
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}
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