/** @file
Implementation of Fsp Misc UPD Initialization.
Copyright (c) 2020, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include
#include
#include
#define STATUS_CODE_USE_RAM BIT0
#define STATUS_CODE_USE_ISA_SERIAL BIT1
#define STATUS_CODE_USE_USB BIT2
#define STATUS_CODE_USE_USB3 BIT3
#define STATUS_CODE_USE_SERIALIO BIT4
#define STATUS_CODE_USE_TRACEHUB BIT5
#define STATUS_CODE_CMOS_INVALID BIT6
#define STATUS_CODE_CMOS_VALID BIT7
/**
Performs FSP Misc UPD initialization.
@param[in][out] FspmUpd Pointer to FSPM_UPD Data.
@retval EFI_SUCCESS FSP UPD Data is updated.
**/
EFI_STATUS
EFIAPI
PeiFspMiscUpdInitPreMem (
IN OUT FSPM_UPD *FspmUpd
)
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS Hob;
DEBUG_CONFIG_DATA_HOB *DebugConfigData;
UINT8 DebugInterfaces;
FspmUpd->FspmArchUpd.StackBase = (VOID *)(UINTN)(PcdGet32(PcdTemporaryRamBase) + PcdGet32(PcdTemporaryRamSize) - (PcdGet32(PcdFspTemporaryRamSize) + PcdGet32(PcdFspReservedBufferSize)));
FspmUpd->FspmArchUpd.StackSize = PcdGet32(PcdFspTemporaryRamSize);
Status = PeiServicesGetBootMode (&(FspmUpd->FspmArchUpd.BootMode));
if (EFI_ERROR (Status)) {
FspmUpd->FspmArchUpd.BootMode = BOOT_WITH_FULL_CONFIGURATION;
}
FspmUpd->FspmArchUpd.BootLoaderTolumSize = 0x0;
//
// Initialize DebugConfigData
//
DebugInterfaces = 0x00;
Hob.Guid = GetFirstGuidHob (&gDebugConfigHobGuid);
if (Hob.Guid != NULL) {
DebugConfigData = (DEBUG_CONFIG_DATA_HOB *) GET_GUID_HOB_DATA (Hob.Guid);
if (DebugConfigData != NULL) {
// Debug Interfaces
if (DebugConfigData->RamDebugInterface) { DebugInterfaces |= STATUS_CODE_USE_RAM; }
if (DebugConfigData->UartDebugInterface) { DebugInterfaces |= STATUS_CODE_USE_ISA_SERIAL; }
if (DebugConfigData->Usb3DebugInterface) { DebugInterfaces |= STATUS_CODE_USE_USB3; }
if (DebugConfigData->SerialIoDebugInterface) { DebugInterfaces |= STATUS_CODE_USE_SERIALIO; }
if (DebugConfigData->TraceHubDebugInterface) { DebugInterfaces |= STATUS_CODE_USE_TRACEHUB; }
FspmUpd->FspmConfig.PcdDebugInterfaceFlags = DebugInterfaces;
// Serial debug message baud rate
FspmUpd->FspmConfig.PcdSerialDebugBaudRate = DebugConfigData->SerialDebugBaudRate;
//Serial debug message level
FspmUpd->FspmConfig.PcdSerialDebugLevel = DebugConfigData->SerialDebug;
}
}
DEBUG ((DEBUG_INFO, "FspmConfig.PcdDebugInterfaceFlags is 0x%X\n", FspmUpd->FspmConfig.PcdDebugInterfaceFlags));
DEBUG ((DEBUG_INFO, "FspmUpd->FspmConfig.PcdSerialDebugBaudRate is 0x%X\n", FspmUpd->FspmConfig.PcdSerialDebugBaudRate));
DEBUG ((DEBUG_INFO, "FspmUpd->FspmConfig.PcdSerialDebugLevel is 0x%X\n", FspmUpd->FspmConfig.PcdSerialDebugLevel));
return EFI_SUCCESS;
}