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/**
Copyright (C) 2013, Intel Corporation
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
* Neither the name of Intel Corporation nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
**/
/***********************************************************************
*
* board_fsp.c
*
* Parse HOB to get system data.
*
**********************************************************************/
#include "fsp.h"
void
GetLowMemorySize (
uint32_t *LowMemoryLength
)
{
EFI_PEI_HOB_POINTERS Hob;
*LowMemoryLength = 0x100000;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST(Hob.Raw)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Need memory above 1MB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000 &&
Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) 0x100000000) {
*LowMemoryLength += (uint32_t) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB(Hob.Raw);
}
return;
}
void
GetHighMemorySize (
uint64_t *HighMemoryLength
)
{
EFI_PEI_HOB_POINTERS Hob;
*HighMemoryLength = 0x0;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST(Hob.Raw)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Need memory above 4GB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) 0x100000000) {
*HighMemoryLength += (uint64_t) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB(Hob.Raw);
}
return;
}
void
GetFspReservedMemoryFromGuid (
uint32_t *FspMemoryBase,
uint32_t *FspMemoryLength,
EFI_GUID FspReservedMemoryGuid
)
{
EFI_PEI_HOB_POINTERS Hob;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList();
*FspMemoryBase = 0;
*FspMemoryLength = 0;
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST(Hob.Raw)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) {
if (CompareGuid(&Hob.ResourceDescriptor->Owner, &FspReservedMemoryGuid)) {
*FspMemoryBase = (uint32_t) (Hob.ResourceDescriptor->PhysicalStart);
*FspMemoryLength = (uint32_t) (Hob.ResourceDescriptor->ResourceLength);
break;
}
}
}
Hob.Raw = GET_NEXT_HOB(Hob.Raw);
}
return;
}
void
GetFspNVStorageMemory (
VOID **FspNVStorageHob,
uint16_t *DataSize
)
{
EFI_GUID FspNVStorageHobGuid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
uint8_t *GuidHob;
EFI_HOB_GENERIC_HEADER *GuidHobHdr;
GuidHob = GetFirstGuidHob(&FspNVStorageHobGuid);
if (!GuidHob) {
*FspNVStorageHob = 0;
*DataSize = 0;
} else {
*FspNVStorageHob = GET_GUID_HOB_DATA (GuidHob);
GuidHobHdr = (EFI_HOB_GENERIC_HEADER *)GuidHob;
*DataSize = GET_GUID_HOB_DATA_SIZE (GuidHobHdr);
}
}
void
GetTempRamStack (
VOID **TempRamStackPtr,
uint16_t *DataSize
)
{
EFI_GUID FspBootloaderTemporaryMemoryHobGuid = FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID;
uint8_t *GuidHob;
EFI_HOB_GENERIC_HEADER *GuidHobHdr;
GuidHob = GetFirstGuidHob(&FspBootloaderTemporaryMemoryHobGuid);
if (!GuidHob) {
*TempRamStackPtr = 0;
*DataSize = 0;
} else {
*TempRamStackPtr = GET_GUID_HOB_DATA (GuidHob);
GuidHobHdr = (EFI_HOB_GENERIC_HEADER *)GuidHob;
*DataSize = GET_GUID_HOB_DATA_SIZE (GuidHobHdr);
}
}
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