/**
Reset the port and re-configure the usb device.
@param PeiServices General-purpose services that are available to every PEIM.
@param This Indicates the PEI_USB_IO_PPI instance.
@retval EFI_SUCCESS Usb device is reset and configured successfully.
@retval Others Other failure occurs.
**/
EFI_STATUS
EFIAPI
PeiUsbPortReset (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This
)
{
PEI_USB_DEVICE *PeiUsbDev;
EFI_STATUS Status;
UINT8 Address;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
ResetRootPort (
PeiServices,
PeiUsbDev->UsbHcPpi,
PeiUsbDev->Usb2HcPpi,
PeiUsbDev->DeviceAddress,
0
);
//
// Set address
//
Address = PeiUsbDev->DeviceAddress;
PeiUsbDev->DeviceAddress = 0;
Status = PeiUsbSetDeviceAddress (
PeiServices,
This,
Address
);
if (EFI_ERROR (Status)) {
return Status;
}
PeiUsbDev->DeviceAddress = Address;
//
// Set default configuration
//
Status = PeiUsbSetConfiguration (
PeiServices,
This
);
return Status;
}
/**
Configure new detected usb device.
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@param Port The port to be configured.
@param DeviceAddress The device address to be configured.
@retval EFI_SUCCESS The new detected usb device is configured successfully.
@retval EFI_OUT_OF_RESOURCES Can't allocate memory resource.
@retval Others Other failure occurs.
**/
EFI_STATUS
PeiConfigureUsbDevice (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_DEVICE *PeiUsbDevice,
IN UINT8 Port,
IN OUT UINT8 *DeviceAddress
)
{
EFI_USB_DEVICE_DESCRIPTOR DeviceDescriptor;
EFI_STATUS Status;
PEI_USB_IO_PPI *UsbIoPpi;
UINT8 Retry;
UsbIoPpi = &PeiUsbDevice->UsbIoPpi;
Status = EFI_SUCCESS;
ZeroMem (&DeviceDescriptor, sizeof (EFI_USB_DEVICE_DESCRIPTOR));
//
// Get USB device descriptor
//
for (Retry = 0; Retry < 3; Retry ++) {
Status = PeiUsbGetDescriptor (
PeiServices,
UsbIoPpi,
(USB_DT_DEVICE << 8),
0,
8,
&DeviceDescriptor
);
if (!EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, "PeiUsbGet Device Descriptor the %d time Success\n", Retry));
break;
}
}
if (Retry == 3) {
DEBUG ((EFI_D_ERROR, "PeiUsbGet Device Descriptor fail: %x %r\n", Retry, Status));
return Status;
}
if ((DeviceDescriptor.BcdUSB >= 0x0300) && (DeviceDescriptor.MaxPacketSize0 == 9)) {
PeiUsbDevice->MaxPacketSize0 = 1 << 9;
} else {
PeiUsbDevice->MaxPacketSize0 = DeviceDescriptor.MaxPacketSize0;
}
(*DeviceAddress) ++;
Status = PeiUsbSetDeviceAddress (
PeiServices,
UsbIoPpi,
*DeviceAddress
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "PeiUsbSetDeviceAddress Failed: %r\n", Status));
return Status;
}
MicroSecondDelay (USB_SET_DEVICE_ADDRESS_STALL);
PeiUsbDevice->DeviceAddress = *DeviceAddress;
//
// Get whole USB device descriptor
//
Status = PeiUsbGetDescriptor (
PeiServices,
UsbIoPpi,
(USB_DT_DEVICE << 8),
0,
(UINT16) sizeof (EFI_USB_DEVICE_DESCRIPTOR),
&DeviceDescriptor
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "PeiUsbGetDescriptor First Failed\n"));
return Status;
}
//
// Get its default configuration and its first interface
//
Status = PeiUsbGetAllConfiguration (
PeiServices,
PeiUsbDevice
);
if (EFI_ERROR (Status)) {
return Status;
}
MicroSecondDelay (USB_GET_CONFIG_DESCRIPTOR_STALL);
Status = PeiUsbSetConfiguration (
PeiServices,
UsbIoPpi
);
if (EFI_ERROR (Status)) {
return Status;
}
return EFI_SUCCESS;
}
