/**
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS PPI successfully installed.
**/
EFI_STATUS
EFIAPI
EhcPeimEntry (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
PEI_USB_CONTROLLER_PPI *ChipSetUsbControllerPpi;
EFI_STATUS Status;
UINT8 Index;
UINTN ControllerType;
UINTN BaseAddress;
UINTN MemPages;
PEI_USB2_HC_DEV *EhcDev;
EFI_PHYSICAL_ADDRESS TempPtr;
//
// Shadow this PEIM to run from memory
//
if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {
return EFI_SUCCESS;
}
Status = PeiServicesLocatePpi (
&gPeiUsbControllerPpiGuid,
0,
NULL,
(VOID **) &ChipSetUsbControllerPpi
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Index = 0;
while (TRUE) {
Status = ChipSetUsbControllerPpi->GetUsbController (
(EFI_PEI_SERVICES **) PeiServices,
ChipSetUsbControllerPpi,
Index,
&ControllerType,
&BaseAddress
);
//
// When status is error, meant no controller is found
//
if (EFI_ERROR (Status)) {
break;
}
//
// This PEIM is for UHC type controller.
//
if (ControllerType != PEI_EHCI_CONTROLLER) {
Index++;
continue;
}
MemPages = sizeof (PEI_USB2_HC_DEV) / PAGESIZE + 1;
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
MemPages,
&TempPtr
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
ZeroMem((VOID *)(UINTN)TempPtr, MemPages*PAGESIZE);
EhcDev = (PEI_USB2_HC_DEV *) ((UINTN) TempPtr);
EhcDev->Signature = USB2_HC_DEV_SIGNATURE;
EhcDev->UsbHostControllerBaseAddress = (UINT32) BaseAddress;
EhcDev->HcStructParams = EhcReadCapRegister (EhcDev, EHC_HCSPARAMS_OFFSET);
EhcDev->HcCapParams = EhcReadCapRegister (EhcDev, EHC_HCCPARAMS_OFFSET);
EhcDev->CapLen = EhcReadCapRegister (EhcDev, EHC_CAPLENGTH_OFFSET) & 0x0FF;
//
// Initialize Uhc's hardware
//
Status = InitializeUsbHC (EhcDev);
if (EFI_ERROR (Status)) {
return Status;
}
EhcDev->Usb2HostControllerPpi.ControlTransfer = EhcControlTransfer;
EhcDev->Usb2HostControllerPpi.BulkTransfer = EhcBulkTransfer;
EhcDev->Usb2HostControllerPpi.GetRootHubPortNumber = EhcGetRootHubPortNumber;
EhcDev->Usb2HostControllerPpi.GetRootHubPortStatus = EhcGetRootHubPortStatus;
EhcDev->Usb2HostControllerPpi.SetRootHubPortFeature = EhcSetRootHubPortFeature;
EhcDev->Usb2HostControllerPpi.ClearRootHubPortFeature = EhcClearRootHubPortFeature;
EhcDev->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
EhcDev->PpiDescriptor.Guid = &gPeiUsb2HostControllerPpiGuid;
EhcDev->PpiDescriptor.Ppi = &EhcDev->Usb2HostControllerPpi;
Status = PeiServicesInstallPpi (&EhcDev->PpiDescriptor);
if (EFI_ERROR (Status)) {
Index++;
continue;
}
Index++;
}
return EFI_SUCCESS;
}
/**
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS PPI successfully installed.
**/
EFI_STATUS
OhcPeimEntry (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
PEI_USB_CONTROLLER_PPI *ChipSetUsbControllerPpi;
EFI_STATUS Status;
UINT8 Index;
UINTN ControllerType;
UINTN BaseAddress;
UINTN MemPages;
USB_OHCI_HC_DEV *Ohc;
EFI_PHYSICAL_ADDRESS TempPtr;
//
// Shadow this PEIM to run from memory
//
if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {
return EFI_SUCCESS;
}
Status = PeiServicesLocatePpi (
&gPeiUsbControllerPpiGuid,
0,
NULL,
(VOID **) &ChipSetUsbControllerPpi
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Index = 0;
while (TRUE) {
Status = ChipSetUsbControllerPpi->GetUsbController (
(EFI_PEI_SERVICES **) PeiServices,
ChipSetUsbControllerPpi,
Index,
&ControllerType,
&BaseAddress
);
//
// When status is error, meant no controller is found
//
if (EFI_ERROR (Status)) {
break;
}
//
// This PEIM is for OHC type controller.
//
if (ControllerType != PEI_OHCI_CONTROLLER) {
Index++;
continue;
}
MemPages = sizeof (USB_OHCI_HC_DEV) / PAGESIZE + 1;
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
MemPages,
&TempPtr
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, "OhcPeimEntry: Fail to allocate buffer for the %dth OHCI ControllerPpi\n", Index));
return EFI_OUT_OF_RESOURCES;
}
ZeroMem((VOID *)(UINTN)TempPtr, MemPages*PAGESIZE);
Ohc = (USB_OHCI_HC_DEV *) ((UINTN) TempPtr);
Ohc->Signature = USB_OHCI_HC_DEV_SIGNATURE;
Ohc->UsbHostControllerBaseAddress = (UINT32) BaseAddress;
//
// Initialize Uhc's hardware
//
Status = InitializeUsbHC (
(EFI_PEI_SERVICES **)PeiServices,
Ohc,
EFI_USB_HC_RESET_GLOBAL
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, "OhcPeimEntry: Fail to init %dth OHCI ControllerPpi\n", Index));
return Status;
}
//
// Control & Bulk transfer services are accessed via their Redirect
// routine versions on Quark so that USB DMA transfers do not cause an
// IMR violation.
//
Ohc->UsbHostControllerPpi.ControlTransfer = RedirectOhciControlTransfer;
Ohc->UsbHostControllerPpi.BulkTransfer = RedirectOhciBulkTransfer;
Ohc->UsbHostControllerPpi.GetRootHubPortNumber = OhciGetRootHubNumOfPorts;
Ohc->UsbHostControllerPpi.GetRootHubPortStatus = OhciGetRootHubPortStatus;
Ohc->UsbHostControllerPpi.SetRootHubPortFeature = OhciSetRootHubPortFeature;
Ohc->UsbHostControllerPpi.ClearRootHubPortFeature = OhciClearRootHubPortFeature;
Ohc->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
Ohc->PpiDescriptor.Guid = &gPeiUsbHostControllerPpiGuid;
Ohc->PpiDescriptor.Ppi = &Ohc->UsbHostControllerPpi;
Status = PeiServicesInstallPpi (&Ohc->PpiDescriptor);
if (EFI_ERROR (Status)) {
Index++;
continue;
}
Index++;
}
return EFI_SUCCESS;
}
