MdeModulePkg/EhciDxe: enable 64-bit PCI DMA

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / EhciDxe / Ehci.h

diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
index 7177658092c302ebd03a28ebcb2d3362664eb89b..be81bde40d9b7110185c6dd7e72e8825c344ac8a 100644 (file)
--- a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
@@ -173,6 +173,8 @@ struct _USB2_HC_DEV {
   UINT16                    DebugPortOffset; // The offset of debug port mmio register\r
   UINT8                     DebugPortBarNum; // The bar number of debug port mmio register\r
   UINT8                     DebugPortNum;    // The port number of usb debug port\r
+\r
+  BOOLEAN                   Support64BitDma; // Whether 64 bit DMA may be used with this device\r
 };\r
 \r
 \r