diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c index 5ff9b80560..ba1fe8fcc7 100644 --- a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c +++ b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c @@ -122,8 +122,20 @@ EhcReset ( EFI_STATUS Status;
UINT32 DbgCtrlStatus;
+ Ehc = EHC_FROM_THIS (This);
+
+ if (Ehc->DevicePath != NULL) {
+ //
+ // Report Status Code to indicate reset happens
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_USB | EFI_IOB_PC_RESET),
+ Ehc->DevicePath
+ );
+ }
+
OldTpl = gBS->RaiseTPL (EHC_TPL);
- Ehc = EHC_FROM_THIS (This);
switch (Attributes) {
case EFI_USB_HC_RESET_GLOBAL:
@@ -1543,8 +1555,9 @@ EhcGetUsbDebugPortInfo ( **/
USB2_HC_DEV *
EhcCreateUsb2Hc (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN UINT64 OriginalPciAttributes
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN UINT64 OriginalPciAttributes
)
{
USB2_HC_DEV *Ehc;
@@ -1578,6 +1591,7 @@ EhcCreateUsb2Hc ( Ehc->Usb2Hc.MinorRevision = 0x0;
Ehc->PciIo = PciIo;
+ Ehc->DevicePath = DevicePath;
Ehc->OriginalPciAttributes = OriginalPciAttributes;
InitializeListHead (&Ehc->AsyncIntTransfers);
@@ -1684,6 +1698,7 @@ EhcDriverBindingStart ( UINTN EhciDeviceNumber;
UINTN EhciFunctionNumber;
UINT32 State;
+ EFI_DEVICE_PATH_PROTOCOL *HcDevicePath;
//
// Open the PciIo Protocol, then enable the USB host controller
@@ -1701,6 +1716,19 @@ EhcDriverBindingStart ( return Status;
}
+ //
+ // Open Device Path Protocol for on USB host controller
+ //
+ HcDevicePath = NULL;
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &HcDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+
PciAttributesSaved = FALSE;
//
// Save original PCI attributes
@@ -1842,7 +1870,7 @@ EhcDriverBindingStart ( //
// Create then install USB2_HC_PROTOCOL
//
- Ehc = EhcCreateUsb2Hc (PciIo, OriginalPciAttributes);
+ Ehc = EhcCreateUsb2Hc (PciIo, HcDevicePath, OriginalPciAttributes);
if (Ehc == NULL) {
DEBUG ((EFI_D_ERROR, "EhcDriverBindingStart: failed to create USB2_HC\n"));
|