/** @file
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IPMI FRB PEIM.
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Copyright (c) 2018 - 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 <PiPei.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/IoLib.h>
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#include <Library/PcdLib.h>
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#include <Library/IpmiCommandLib.h>
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#include <IndustryStandard/Ipmi.h>
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VOID
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SetWatchDogTimer (
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IN BOOLEAN Frb2Enabled
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)
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{
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EFI_STATUS Status;
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IPMI_SET_WATCHDOG_TIMER_REQUEST FrbTimer;
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IPMI_GET_WATCHDOG_TIMER_RESPONSE GetWatchdogTimer;
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UINT8 CompletionCode;
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Status = IpmiGetWatchdogTimer (&GetWatchdogTimer);
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if (EFI_ERROR(Status)) {
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return ;
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}
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if (Frb2Enabled) {
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ZeroMem (&FrbTimer, sizeof(FrbTimer));
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//Byte 1
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FrbTimer.TimerUse.Bits.TimerUse = IPMI_WATCHDOG_TIMER_BIOS_FRB2;
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//Byte 2
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FrbTimer.TimerActions.Uint8 = 0; //NormalBoot, NoTimeOutInterrupt. i.e no action when BMC watchdog timeout
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//Byte 3
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FrbTimer.PretimeoutInterval = 0;
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//Byte 4
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FrbTimer.TimerUseExpirationFlagsClear |= BIT1; //set Frb2ExpirationFlag
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//Data Byte 5/6
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FrbTimer.InitialCountdownValue = PcdGet16(PcdFRBTimeoutValue) * 10;
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//Set BMC watchdog timer
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Status = IpmiSetWatchdogTimer (&FrbTimer, &CompletionCode);
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Status = IpmiResetWatchdogTimer (&CompletionCode);
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}
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}
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EFI_STATUS
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EFIAPI
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InitializeFrbPei (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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/*++
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Routine Description:
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Arguments:
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FfsHeader
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PeiServices
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Returns:
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EFI_SUCCESS
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--*/
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{
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BOOLEAN Frb2Enabled;
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//
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// If we are booting with defaults, then make sure FRB2 is enabled.
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//
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Frb2Enabled = PcdGetBool (PcdFRB2EnabledFlag);
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SetWatchDogTimer (Frb2Enabled);
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return EFI_SUCCESS;
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}
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