/**
Allocate a block of memory to be used by the buffer pool.
@param Pages How many pages to allocate.
@return The allocated memory block or NULL if failed.
**/
SD_PEIM_MEM_BLOCK *
SdPeimAllocMemBlock (
IN UINTN Pages
)
{
SD_PEIM_MEM_BLOCK *Block;
VOID *BufHost;
VOID *Mapping;
EFI_PHYSICAL_ADDRESS MappedAddr;
EFI_STATUS Status;
VOID *TempPtr;
TempPtr = NULL;
Block = NULL;
Status = PeiServicesAllocatePool (sizeof(SD_PEIM_MEM_BLOCK), &TempPtr);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)TempPtr, sizeof(SD_PEIM_MEM_BLOCK));
//
// each bit in the bit array represents SD_PEIM_MEM_UNIT
// bytes of memory in the memory block.
//
ASSERT (SD_PEIM_MEM_UNIT * 8 <= EFI_PAGE_SIZE);
Block = (SD_PEIM_MEM_BLOCK*)(UINTN)TempPtr;
Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
Block->BitsLen = Block->BufLen / (SD_PEIM_MEM_UNIT * 8);
Status = PeiServicesAllocatePool (Block->BitsLen, &TempPtr);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)TempPtr, Block->BitsLen);
Block->Bits = (UINT8*)(UINTN)TempPtr;
Status = IoMmuAllocateBuffer (
Pages,
&BufHost,
&MappedAddr,
&Mapping
);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)BufHost, EFI_PAGES_TO_SIZE (Pages));
Block->BufHost = (UINT8 *) (UINTN) BufHost;
Block->Buf = (UINT8 *) (UINTN) MappedAddr;
Block->Mapping = Mapping;
Block->Next = NULL;
return Block;
}
/**
Allocate a block of memory to be used by the buffer pool.
@param Pages How many pages to allocate.
@return The allocated memory block or NULL if failed.
**/
UFS_PEIM_MEM_BLOCK *
UfsPeimAllocMemBlock (
IN UINTN Pages
)
{
UFS_PEIM_MEM_BLOCK *Block;
EFI_STATUS Status;
VOID *TempPtr;
EFI_PHYSICAL_ADDRESS Address;
TempPtr = NULL;
Block = NULL;
Status = PeiServicesAllocatePool (sizeof(UFS_PEIM_MEM_BLOCK), &TempPtr);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)TempPtr, sizeof(UFS_PEIM_MEM_BLOCK));
//
// each bit in the bit array represents UFS_PEIM_MEM_UNIT
// bytes of memory in the memory block.
//
ASSERT (UFS_PEIM_MEM_UNIT * 8 <= EFI_PAGE_SIZE);
Block = (UFS_PEIM_MEM_BLOCK*)(UINTN)TempPtr;
Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
Block->BitsLen = Block->BufLen / (UFS_PEIM_MEM_UNIT * 8);
Status = PeiServicesAllocatePool (Block->BitsLen, &TempPtr);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)TempPtr, Block->BitsLen);
Block->Bits = (UINT8*)(UINTN)TempPtr;
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
Pages,
&Address
);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID*)(UINTN)Address, EFI_PAGES_TO_SIZE (Pages));
Block->Buf = (UINT8*)((UINTN)Address);
Block->Next = NULL;
return Block;
}
/**
Initialize the memory management pool for the host controller.
@param Private The Sd Peim driver private data.
@retval EFI_SUCCESS The memory pool is initialized.
@retval Others Fail to init the memory pool.
**/
EFI_STATUS
SdPeimInitMemPool (
IN SD_PEIM_HC_PRIVATE_DATA *Private
)
{
SD_PEIM_MEM_POOL *Pool;
EFI_STATUS Status;
VOID *TempPtr;
TempPtr = NULL;
Pool = NULL;
Status = PeiServicesAllocatePool (sizeof (SD_PEIM_MEM_POOL), &TempPtr);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
ZeroMem ((VOID*)(UINTN)TempPtr, sizeof (SD_PEIM_MEM_POOL));
Pool = (SD_PEIM_MEM_POOL *)((UINTN)TempPtr);
Pool->Head = SdPeimAllocMemBlock (SD_PEIM_MEM_DEFAULT_PAGES);
if (Pool->Head == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Private->Pool = Pool;
return EFI_SUCCESS;
}
/**
Worker function to get CPUs' BIST by calling SecPlatformInformationPpi
or SecPlatformInformation2Ppi.
@param PeiServices Pointer to PEI Services Table
@param Guid PPI Guid
@param PpiDescriptor Return a pointer to instance of the
EFI_PEI_PPI_DESCRIPTOR
@param BistInformationData Pointer to BIST information data
@retval EFI_SUCCESS Retrieve of the BIST data successfully
@retval EFI_NOT_FOUND No sec platform information(2) ppi export
@retval EFI_DEVICE_ERROR Failed to get CPU Information
**/
EFI_STATUS
GetBistInfoFromPpi (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_GUID *Guid,
OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
OUT VOID **BistInformationData
)
{
EFI_STATUS Status;
EFI_SEC_PLATFORM_INFORMATION2_PPI *SecPlatformInformation2Ppi;
EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;
UINT64 InformationSize;
Status = PeiServicesLocatePpi (
Guid, // GUID
0, // INSTANCE
PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&SecPlatformInformation2Ppi // PPI
);
if (Status == EFI_NOT_FOUND) {
return EFI_NOT_FOUND;
}
if (Status == EFI_SUCCESS) {
//
// Get the size of the sec platform information2(BSP/APs' BIST data)
//
InformationSize = 0;
SecPlatformInformation2 = NULL;
Status = SecPlatformInformation2Ppi->PlatformInformation2 (
PeiServices,
&InformationSize,
SecPlatformInformation2
);
if (Status == EFI_BUFFER_TOO_SMALL) {
Status = PeiServicesAllocatePool (
(UINTN) InformationSize,
(VOID **) &SecPlatformInformation2
);
if (Status == EFI_SUCCESS) {
//
// Retrieve BIST data
//
Status = SecPlatformInformation2Ppi->PlatformInformation2 (
PeiServices,
&InformationSize,
SecPlatformInformation2
);
if (Status == EFI_SUCCESS) {
*BistInformationData = SecPlatformInformation2;
return EFI_SUCCESS;
}
}
}
}
return EFI_DEVICE_ERROR;
}
EFIAPI
AllocatePool (
IN UINTN AllocationSize
)
{
EFI_STATUS Status;
VOID *Buffer;
Status = PeiServicesAllocatePool (AllocationSize, &Buffer);
if (EFI_ERROR (Status)) {
Buffer = NULL;
}
return Buffer;
}
/**
The function is provided by PCD PEIM and PCD DXE driver to
do the work of reading a HII variable from variable service.
@param VariableGuid The Variable GUID.
@param VariableName The Variable Name.
@param VariableData The output data.
@param VariableSize The size of the variable.
@retval EFI_SUCCESS Operation successful.
@retval EFI_NOT_FOUND Variablel not found.
**/
EFI_STATUS
GetHiiVariable (
IN CONST EFI_GUID *VariableGuid,
IN UINT16 *VariableName,
OUT VOID **VariableData,
OUT UINTN *VariableSize
)
{
UINTN Size;
EFI_STATUS Status;
VOID *Buffer;
EFI_PEI_READ_ONLY_VARIABLE2_PPI *VariablePpi;
Status = PeiServicesLocatePpi (&gEfiPeiReadOnlyVariable2PpiGuid, 0, NULL, (VOID **) &VariablePpi);
ASSERT_EFI_ERROR (Status);
Size = 0;
Status = VariablePpi->GetVariable (
VariablePpi,
VariableName,
(EFI_GUID *) VariableGuid,
NULL,
&Size,
NULL
);
if (Status == EFI_BUFFER_TOO_SMALL) {
Status = PeiServicesAllocatePool (Size, &Buffer);
ASSERT_EFI_ERROR (Status);
Status = VariablePpi->GetVariable (
VariablePpi,
(UINT16 *) VariableName,
(EFI_GUID *) VariableGuid,
NULL,
&Size,
Buffer
);
ASSERT_EFI_ERROR (Status);
*VariableSize = Size;
*VariableData = Buffer;
return EFI_SUCCESS;
}
return EFI_NOT_FOUND;
}
/**
Submits bulk transfer to a bulk endpoint of a USB device.
Calls underlying OhciBulkTransfer to do work. This wrapper routine required
on Quark so that USB DMA transfers do not cause an IMR violation.
@param PeiServices The pointer of EFI_PEI_SERVICES.
@param This The pointer of PEI_USB_HOST_CONTROLLER_PPI.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and its direction in bit 7.
@param MaxiPacketLength Maximum packet size the endpoint is capable of
sending or receiving.
@param Data A pointers to the buffers of data to transmit
from or receive into.
@param DataLength The lenght of the data buffer.
@param DataToggle On input, the initial data toggle for the transfer;
On output, it is updated to to next data toggle to use of
the subsequent bulk transfer.
@param TimeOut Indicates the maximum time, in millisecond, which the
transfer is allowed to complete.
@param TransferResult A pointer to the detailed result information of the
bulk transfer.
@retval EFI_SUCCESS The transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.
@retval EFI_INVALID_PARAMETER Parameters are invalid.
@retval EFI_TIMEOUT The transfer failed due to timeout.
@retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
**/
EFI_STATUS
EFIAPI
RedirectOhciBulkTransfer (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_HOST_CONTROLLER_PPI *This,
IN UINT8 DeviceAddress,
IN UINT8 EndPointAddress,
IN UINT8 MaxPacketLength,
IN OUT VOID *Data,
IN OUT UINTN *DataLength,
IN OUT UINT8 *DataToggle,
IN UINTN TimeOut,
OUT UINT32 *TransferResult
)
{
EFI_STATUS Status;
UINT8 *NewData;
//
// Allocate memory external to IMR protected region for transfer data.
//
Status = PeiServicesAllocatePool (
*DataLength,
(VOID **) &NewData
);
ASSERT_EFI_ERROR (Status);
//
// Copy callers data into transfer buffer.
//
if (Data != NULL) {
if (DataLength > 0) {
CopyMem (NewData,Data,*DataLength);
}
} else {
NewData = NULL;
}
//
// Call underlying OhciBulkTransfer to do work.
//
Status = OhciBulkTransfer (
PeiServices,
This,
DeviceAddress,
EndPointAddress,
MaxPacketLength,
NewData,
DataLength,
DataToggle,
TimeOut,
TransferResult
);
//
// Copy transfer buffer back into callers buffer.
//
if (Data != NULL && *DataLength > 0) {
CopyMem (Data, NewData, *DataLength);
}
return Status;
}
/**
Submits control transfer to a target USB device.
Calls underlying OhciControlTransfer to do work. This wrapper routine required
on Quark so that USB DMA transfers do not cause an IMR violation.
@param PeiServices The pointer of EFI_PEI_SERVICES.
@param This The pointer of PEI_USB_HOST_CONTROLLER_PPI.
@param DeviceAddress The target device address.
@param DeviceSpeed Target device speed.
@param MaximumPacketLength Maximum packet size the default control transfer
endpoint is capable of sending or receiving.
@param Request USB device request to send.
@param TransferDirection Specifies the data direction for the data stage.
@param Data Data buffer to be transmitted or received from USB device.
@param DataLength The size (in bytes) of the data buffer.
@param TimeOut Indicates the maximum timeout, in millisecond.
@param TransferResult Return the result of this control transfer.
@retval EFI_SUCCESS Transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
@retval EFI_INVALID_PARAMETER Some parameters are invalid.
@retval EFI_TIMEOUT Transfer failed due to timeout.
@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
**/
EFI_STATUS
EFIAPI
RedirectOhciControlTransfer (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_HOST_CONTROLLER_PPI *This,
IN UINT8 DeviceAddress,
IN UINT8 DeviceSpeed,
IN UINT8 MaxPacketLength,
IN EFI_USB_DEVICE_REQUEST *Request,
IN EFI_USB_DATA_DIRECTION TransferDirection,
IN OUT VOID *Data,
IN OUT UINTN *DataLength,
IN UINTN TimeOut,
OUT UINT32 *TransferResult
)
{
EFI_STATUS Status;
EFI_USB_DEVICE_REQUEST *NewRequest;
VOID *NewData;
UINT8 *Alloc;
//
// Allocate memory external to IMR protected region for transfer data.
//
Status = PeiServicesAllocatePool (
sizeof(EFI_USB_DEVICE_REQUEST) + *DataLength,
(VOID **) &Alloc
);
ASSERT_EFI_ERROR (Status);
//
// Setup pointers to transfer buffers.
//
NewRequest = (EFI_USB_DEVICE_REQUEST *) Alloc;
Alloc += sizeof(EFI_USB_DEVICE_REQUEST);
NewData = (VOID *) Alloc;
//
// Copy callers request packet into transfer request packet.
//
if (Request != NULL) {
CopyMem (NewRequest,Request,sizeof(EFI_USB_DEVICE_REQUEST));
} else {
NewRequest = NULL;
}
//
// Copy callers data into transfer data buffer.
//
if (Data != NULL) {
if (DataLength > 0) {
CopyMem (NewData,Data,*DataLength);
}
} else {
NewData = NULL;
}
//
// Call underlying OhciControlTransfer to do work.
//
Status = OhciControlTransfer (
PeiServices,
This,
DeviceAddress,
DeviceSpeed,
MaxPacketLength,
NewRequest,
TransferDirection,
NewData,
DataLength,
TimeOut,
TransferResult
);
//
// Copy transfer buffer back into callers buffer.
//
if (Data != NULL && *DataLength > 0) {
CopyMem (Data, NewData, *DataLength);
}
return Status;
}