audk/QuarkPlatformPkg/Application/ForceRecovery/ForceRecovery.c

48 lines
1.3 KiB
C

/** @file
Application that sets a sticky bit to force recovery on next reset.
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Uefi.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/QNCAccessLib.h>
/**
The user Entry Point for Application. The user code starts with this function
as the real entry point for the application.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
UefiMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
//
// Set 'B_CFG_STICKY_RW_FORCE_RECOVERY' sticky bit so we know we need to do a recovery following warm reset
//
QNCAltPortWrite (
QUARK_SCSS_SOC_UNIT_SB_PORT_ID,
QUARK_SCSS_SOC_UNIT_CFG_STICKY_RW,
QNCAltPortRead (QUARK_SCSS_SOC_UNIT_SB_PORT_ID, QUARK_SCSS_SOC_UNIT_CFG_STICKY_RW) | B_CFG_STICKY_RW_FORCE_RECOVERY
);
//
// Do a warm reset
//
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
return EFI_SUCCESS;
}