1 files changed, 54 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/LynxPoint/PchInit/Dxe/PchUsbPrecondition.h b/ReferenceCode/Chipset/LynxPoint/PchInit/Dxe/PchUsbPrecondition.h
new file mode 100644
index 0000000..faaeda9
--- /dev/null
+++ b/ReferenceCode/Chipset/LynxPoint/PchInit/Dxe/PchUsbPrecondition.h
@@ -0,0 +1,54 @@
+/** @file
+  Header file for PCH USB precondition feature support in DXE phase
+
+@copyright
+  Copyright (c) 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement
+**/
+#ifndef _PCH_USB_PRECONDITION_H_
+#define _PCH_USB_PRECONDITION_H_
+
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#include "EdkIIGlueBase.h"
+#include "PchAccess.h"
+#include "UsbHcPortPrecondition.h"
+#endif
+
+#define USB_HC_RESET_STALL_US        10 * 1000 ///< 10ms
+#define USB_ROOT_PORT_RESET_STALL_US 50 * 1000 ///< 50ms
+#define USB_TDRSTR_CHECK_INTERVAL_US 100
+#define EHCI_PRECONDITION_DEV_SIGN EFI_SIGNATURE_32 ('e','p','r','e')
+#define EHC_PRECONDITION_FROM_THIS(a) CR(a, USB_EHCI_PRECONDITION_DEV, Protocol, EHCI_PRECONDITION_DEV_SIGN)
+
+typedef struct _USB_EHCI_PRECONDITION_DEV {
+  UINTN                                 Signature;
+  EFI_USB_HC_PORT_PRECONDITION          Protocol;
+  UINTN                                 PortResetBitMap;
+} USB_EHCI_PRECONDITION_DEV;
+
+#define XHCI_PRECONDITION_DEV_SIGN EFI_SIGNATURE_32 ('x','p','r','e')
+#define XHC_PRECONDITION_FROM_THIS(a) CR(a, USB_XHCI_PRECONDITION_DEV, Protocol, XHCI_PRECONDITION_DEV_SIGN)
+
+typedef struct _USB_XHCI_PRECONDITION_DEV {
+  UINTN                                 Signature;
+  EFI_USB_HC_PORT_PRECONDITION          Protocol;
+  UINTN                                 HsPortCount;
+  UINTN                                 PortResetBitMap;
+  UINTN                                 PortResetDoneBitMap;
+  BOOLEAN                               PORTSCxResumeDoneFlag;
+} USB_XHCI_PRECONDITION_DEV;
+
+#endif