EFI_STATUS
EFIAPI
SetPeiCacheMode (
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
PEI_CACHE_PPI *CachePpi;
EFI_BOOT_MODE BootMode;
UINT64 MemoryLength;
UINT64 MemOverflow;
UINT64 MemoryLengthUc;
UINT64 MaxMemoryLength;
UINT64 LowMemoryLength;
UINT64 HighMemoryLength;
UINT8 Index;
MTRR_SETTINGS MtrrSetting;
UINT64 ValidMtrrAddressMask;
//
// Load Cache PPI
//
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPeiCachePpiGuid, // GUID
0, // Instance
NULL, // EFI_PEI_PPI_DESCRIPTOR
(void **)&CachePpi // PPI
);
if (!EFI_ERROR(Status)) {
//
// Clear the CAR Settings (Default Cache Type => UC)
//
DEBUG ((EFI_D_INFO, "Reset cache attribute and disable CAR. \n"));
CachePpi->ResetCache(
(EFI_PEI_SERVICES**)PeiServices,
CachePpi
);
}
//
// Variable initialization
//
LowMemoryLength = 0;
HighMemoryLength = 0;
MemoryLengthUc = 0;
Status = (*PeiServices)->GetBootMode (
PeiServices,
&BootMode
);
ValidMtrrAddressMask = InitializeAddressMtrrMask ();
//
// Determine memory usage
//
GetMemorySize (
PeiServices,
&LowMemoryLength,
&HighMemoryLength
);
LowMemoryLength = (EFI_PHYSICAL_ADDRESS)MmPci32( 0, 0, 2, 0, 0x70);
LowMemoryLength &= 0xFFF00000ULL;
MaxMemoryLength = LowMemoryLength;
//
// Round up to nearest 256MB with high memory and 64MB w/o high memory
//
if (HighMemoryLength != 0 ) {
MemOverflow = (LowMemoryLength & 0x0fffffff);
if (MemOverflow != 0) {
MaxMemoryLength = LowMemoryLength + (0x10000000 - MemOverflow);
}
} else {
MemOverflow = (LowMemoryLength & 0x03ffffff);
if (MemOverflow != 0) {
MaxMemoryLength = LowMemoryLength + (0x4000000 - MemOverflow);
}
}
ZeroMem (&MtrrSetting, sizeof(MTRR_SETTINGS));
for (Index = 0; Index < 2; Index++) {
MtrrSetting.Fixed.Mtrr[Index]=0x0606060606060606;
}
for (Index = 2; Index < 11; Index++) {
MtrrSetting.Fixed.Mtrr[Index]=0x0505050505050505;
}
//
// Cache the flash area to improve the boot performance in PEI phase
//
Index = 0;
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[0].Base)->Uint64 = FixedPcdGet32 (PcdFlashAreaBaseAddress);
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[0].Base)->Bits.Type = CacheWriteProtected;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[0].Mask)->Uint64 = (~((UINT64)(FixedPcdGet32 (PcdFlashAreaSize) - 1))) & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[0].Mask)->Bits.V = 1;
Index ++;
MemOverflow =0;
while (MaxMemoryLength > MemOverflow){
MemoryLength = MaxMemoryLength - MemOverflow;
MemoryLength = GetPowerOfTwo64 (MemoryLength);
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Uint64 = MemOverflow & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Bits.Type = CacheWriteBack;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Uint64 = (~(MemoryLength - 1)) & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Bits.V = 1;
MemOverflow += MemoryLength;
Index++;
}
MemoryLength = LowMemoryLength;
while (MaxMemoryLength != MemoryLength) {
MemoryLengthUc = GetPowerOfTwo64 (MaxMemoryLength - MemoryLength);
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Uint64 = (MaxMemoryLength - MemoryLengthUc) & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Bits.Type = CacheUncacheable;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Uint64 = (~(MemoryLengthUc - 1)) & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Bits.V = 1;
MaxMemoryLength -= MemoryLengthUc;
Index++;
}
MemOverflow =0x100000000;
while (HighMemoryLength > 0) {
MemoryLength = HighMemoryLength;
MemoryLength = GetPowerOfTwo64 (MemoryLength);
if (MemoryLength > MemOverflow){
MemoryLength = MemOverflow;
}
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Uint64 = MemOverflow & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSBASE_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Base)->Bits.Type = CacheWriteBack;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Uint64 = (~(MemoryLength - 1)) & ValidMtrrAddressMask;
((MSR_IA32_MTRR_PHYSMASK_REGISTER *) &MtrrSetting.Variables.Mtrr[Index].Mask)->Bits.V = 1;
MemOverflow += MemoryLength;
HighMemoryLength -= MemoryLength;
Index++;
}
for (Index = 0; Index < MTRR_NUMBER_OF_VARIABLE_MTRR; Index++) {
if (MtrrSetting.Variables.Mtrr[Index].Base == 0){
break;
}
DEBUG ((EFI_D_INFO, "Base=%lx, Mask=%lx\n",MtrrSetting.Variables.Mtrr[Index].Base ,MtrrSetting.Variables.Mtrr[Index].Mask));
}
//
// set FE/E bits for IA32_MTRR_DEF_TYPE
//
MtrrSetting.MtrrDefType |= 3 <<10;
MtrrSetAllMtrrs(&MtrrSetting);
//
// Dump MTRR Setting
//
MtrrDebugPrintAllMtrrs ();
return EFI_SUCCESS;
}
/**
Install Firmware Volume Hob's once there is main memory
@param[in] PeiServices General purpose services available to every PEIM.
@param[in] NotifyDescriptor Notify that this module published.
@param[in] Ppi PPI that was installed.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
EFIAPI
MemoryDiscoveredPpiNotifyCallback (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
EFI_CPUID_REGISTER FeatureInfo;
UINT8 CpuAddressWidth;
UINT32 RootComplexBar;
UINT32 PmcBase;
UINT32 IoBase;
UINT32 IlbBase;
UINT32 SpiBase;
UINT32 MphyBase;
UINT32 PunitBase;
//
// Pulish memory type info
//
PublishMemoryTypeInfo ();
RootComplexBar = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_RCBA) & B_PCH_LPC_RCBA_BAR;
DEBUG ((EFI_D_INFO, "RootComplexBar : 0x%x\n", RootComplexBar));
ASSERT (RootComplexBar != 0 && RootComplexBar != B_PCH_LPC_RCBA_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
RootComplexBar,
0x1000
);
PmcBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_PMC_BASE) & B_PCH_LPC_PMC_BASE_BAR;
DEBUG ((EFI_D_INFO, "PmcBase : 0x%x\n", PmcBase));
ASSERT (PmcBase != 0 && PmcBase != B_PCH_LPC_PMC_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
PmcBase,
0x1000
);
IoBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_IO_BASE) & B_PCH_LPC_IO_BASE_BAR;
DEBUG ((EFI_D_INFO, "IoBase : 0x%x\n", IoBase));
ASSERT (IoBase != 0 && IoBase != B_PCH_LPC_IO_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IoBase,
0x40000
);
IlbBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_ILB_BASE) & B_PCH_LPC_ILB_BASE_BAR;
DEBUG ((EFI_D_INFO, "IlbBase : 0x%x\n", IlbBase));
ASSERT (IlbBase != 0 && IlbBase != B_PCH_LPC_ILB_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IlbBase,
0x2000
);
SpiBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_SPI_BASE) & B_PCH_LPC_SPI_BASE_BAR;
DEBUG ((EFI_D_INFO, "SpiBase : 0x%x\n", SpiBase));
ASSERT (SpiBase != 0 && SpiBase != B_PCH_LPC_SPI_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
SpiBase,
0x1000
);
MphyBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_MPHY_BASE) & B_PCH_LPC_MPHY_BASE_BAR;
DEBUG ((EFI_D_INFO, "MphyBase : 0x%x\n", MphyBase));
ASSERT (MphyBase != 0 && MphyBase != B_PCH_LPC_MPHY_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
MphyBase,
0x100000
);
PunitBase = MmPci32 (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_PUNIT_BASE) & B_PCH_LPC_PUNIT_BASE_BAR;
DEBUG ((EFI_D_INFO, "PunitBase : 0x%x\n", PunitBase));
ASSERT (PunitBase != 0 && PunitBase != B_PCH_LPC_PUNIT_BASE_BAR);
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
PunitBase,
0x1000
);
//
// Local APIC
//
DEBUG ((EFI_D_INFO, "LOCAL_APIC_ADDRESS : 0x%x\n", LOCAL_APIC_ADDRESS));
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
LOCAL_APIC_ADDRESS,
0x1000
);
//
// IO APIC
//
DEBUG ((EFI_D_INFO, "IO_APIC_ADDRESS : 0x%x\n", IO_APIC_ADDRESS));
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IO_APIC_ADDRESS,
0x1000
);
//
// Adding the PCIE Express area to the E820 memory table as type 2 memory.
//
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
((UINTN)PcdGet64(PcdPciExpressBaseAddress)), //PlatformInfo->PciData.PciExpressBase,
0x10000000 //PlatformInfo->PciData.PciExpressSize
);
//
// Adding the Flashpart to the E820 memory table as type 2 memory.
//
DEBUG ((EFI_D_INFO, "FLASH_BASE_ADDRESS : 0x%x\n", PcdGet32(PcdFlashAreaBaseAddress)));
BuildResourceDescriptorHob (
EFI_RESOURCE_FIRMWARE_DEVICE,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
PcdGet32(PcdFlashAreaBaseAddress),
PcdGet32(PcdFlashAreaSize)
);
//
// Create a CPU hand-off information
//
CpuAddressWidth = 32;
AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &FeatureInfo.RegEax, &FeatureInfo.RegEbx, &FeatureInfo.RegEcx, &FeatureInfo.RegEdx);
if (FeatureInfo.RegEax >= EFI_CPUID_VIRT_PHYS_ADDRESS_SIZE) {
AsmCpuid (EFI_CPUID_VIRT_PHYS_ADDRESS_SIZE, &FeatureInfo.RegEax, &FeatureInfo.RegEbx, &FeatureInfo.RegEcx, &FeatureInfo.RegEdx);
CpuAddressWidth = (UINT8) (FeatureInfo.RegEax & 0xFF);
}
BuildCpuHob(CpuAddressWidth, 16);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
MemoryDiscoveredPpiNotifyCallback (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
EFI_CPUID_REGISTER FeatureInfo;
UINT8 CpuAddressWidth;
UINT16 Pm1Cnt;
EFI_PEI_HOB_POINTERS Hob;
EFI_PLATFORM_INFO_HOB *PlatformInfo;
UINT32 RootComplexBar;
UINT32 PmcBase;
UINT32 IoBase;
UINT32 IlbBase;
UINT32 SpiBase;
UINT32 MphyBase;
//
// Get Platform Info HOB
//
Hob.Raw = GetFirstGuidHob (&gEfiPlatformInfoGuid);
ASSERT (Hob.Raw != NULL);
PlatformInfo = GET_GUID_HOB_DATA(Hob.Raw);
Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode);
//
// Check if user wants to turn off in PEI phase
//
if ((BootMode != BOOT_ON_S3_RESUME) && (BootMode != BOOT_ON_FLASH_UPDATE)) {
CheckPowerOffNow();
} else {
Pm1Cnt = IoRead16 (ACPI_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT);
Pm1Cnt &= ~B_PCH_ACPI_PM1_CNT_SLP_TYP;
IoWrite16 (ACPI_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT, Pm1Cnt);
}
#ifndef MINNOW2_FSP_BUILD
//
// Set PEI cache mode here
//
SetPeiCacheMode (PeiServices);
#endif
//
// Pulish memory tyoe info
//
PublishMemoryTypeInfo ();
//
// Work done if on a S3 resume
//
if (BootMode == BOOT_ON_S3_RESUME) {
//
//Program the side band packet register to send a sideband message to Punit
//To indicate that DRAM has been initialized and PUNIT FW base address in memory.
//
return EFI_SUCCESS;
}
RootComplexBar = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_RCBA ) & B_PCH_LPC_RCBA_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
RootComplexBar,
0x1000
);
DEBUG ((EFI_D_INFO, "RootComplexBar : 0x%x\n", RootComplexBar));
PmcBase = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_PMC_BASE ) & B_PCH_LPC_PMC_BASE_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
PmcBase,
0x1000
);
DEBUG ((EFI_D_INFO, "PmcBase : 0x%x\n", PmcBase));
IoBase = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_IO_BASE ) & B_PCH_LPC_IO_BASE_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IoBase,
0x4000
);
DEBUG ((EFI_D_INFO, "IoBase : 0x%x\n", IoBase));
IlbBase = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_ILB_BASE ) & B_PCH_LPC_ILB_BASE_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IlbBase,
0x1000
);
DEBUG ((EFI_D_INFO, "IlbBase : 0x%x\n", IlbBase));
SpiBase = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_SPI_BASE ) & B_PCH_LPC_SPI_BASE_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
SpiBase,
0x1000
);
DEBUG ((EFI_D_INFO, "SpiBase : 0x%x\n", SpiBase));
MphyBase = MmPci32( 0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, R_PCH_LPC_MPHY_BASE ) & B_PCH_LPC_MPHY_BASE_BAR;
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
MphyBase,
0x100000
);
DEBUG ((EFI_D_INFO, "MphyBase : 0x%x\n", MphyBase));
//
// Local APIC
//
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
LOCAL_APIC_ADDRESS,
0x1000
);
DEBUG ((EFI_D_INFO, "LOCAL_APIC_ADDRESS : 0x%x\n", LOCAL_APIC_ADDRESS));
//
// IO APIC
//
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
IO_APIC_ADDRESS,
0x1000
);
DEBUG ((EFI_D_INFO, "IO_APIC_ADDRESS : 0x%x\n", IO_APIC_ADDRESS));
//
// Adding the PCIE Express area to the E820 memory table as type 2 memory.
//
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_MAPPED_IO,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
PlatformInfo->PciData.PciExpressBase,
PlatformInfo->PciData.PciExpressSize
);
DEBUG ((EFI_D_INFO, "PciExpressBase : 0x%x\n", PlatformInfo->PciData.PciExpressBase));
//
// Adding the Flashpart to the E820 memory table as type 2 memory.
//
BuildResourceDescriptorHob (
EFI_RESOURCE_FIRMWARE_DEVICE,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
FixedPcdGet32 (PcdFlashAreaBaseAddress),
FixedPcdGet32 (PcdFlashAreaSize)
);
DEBUG ((EFI_D_INFO, "FLASH_BASE_ADDRESS : 0x%x\n", FixedPcdGet32 (PcdFlashAreaBaseAddress)));
//
// Create a CPU hand-off information
//
CpuAddressWidth = 32;
AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &FeatureInfo.RegEax, &FeatureInfo.RegEbx, &FeatureInfo.RegEcx, &FeatureInfo.RegEdx);
if (FeatureInfo.RegEax >= EFI_CPUID_VIRT_PHYS_ADDRESS_SIZE) {
AsmCpuid (EFI_CPUID_VIRT_PHYS_ADDRESS_SIZE, &FeatureInfo.RegEax, &FeatureInfo.RegEbx, &FeatureInfo.RegEcx, &FeatureInfo.RegEdx);
CpuAddressWidth = (UINT8) (FeatureInfo.RegEax & 0xFF);
}
BuildCpuHob(CpuAddressWidth, 16);
ASSERT_EFI_ERROR (Status);
return Status;
}
