1 files changed, 197 insertions, 0 deletions
diff --git a/ReferenceCode/ME/Heci/Smm/HeciHpet.h b/ReferenceCode/ME/Heci/Smm/HeciHpet.h
new file mode 100644
index 0000000..8624445
--- /dev/null
+++ b/ReferenceCode/ME/Heci/Smm/HeciHpet.h
@@ -0,0 +1,197 @@
+/*++
+  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
+--*/
+/*++
+
+Copyright (c)  2006 - 2010 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.
+
+Module Name:
+
+  HeciHpet.h
+
+Abstract:
+
+  Definitions for HECI driver
+
+--*/
+#ifndef _HECI_HPET_H
+#define _HECI_HPET_H
+
+#include "EdkIIGlueDxe.h"
+#include "MeAccess.h"
+#include "HeciRegs.h"
+#include "Pci22.h"
+
+#define HECI_PRIVATE_DATA_SIGNATURE         EFI_SIGNATURE_32 ('H', 'e', 'c', 'i')
+#define HECI_ROUND_UP_BUFFER_LENGTH(Length) ((UINT32) ((((Length) + 3) / 4) * 4))
+
+//
+// Driver Produced Protocol Prototypes
+//
+#include EFI_PROTOCOL_PRODUCER (HeciSmm)
+
+VOID
+SaveHpet (
+  VOID
+  )
+/*++
+
+Routine Description:
+
+  Store the value of High Performance Timer
+
+Arguments:
+
+  None
+
+Returns:
+
+  None
+
+--*/
+;
+
+VOID
+RestoreHpet (
+  VOID
+  )
+/*++
+
+Routine Description:
+
+  Restore the value of High Performance Timer
+
+Arguments:
+
+  None
+
+Returns:
+
+  None
+
+--*/
+;
+
+VOID
+StartTimer (
+  OUT UINT32 *Start,
+  OUT UINT32 *End,
+  IN  UINT32 Time
+  )
+/*++
+
+  Routine Description:
+
+    Used for calculating timeouts
+
+  Arguments:
+
+    Start - Snapshot of the HPET timer
+    End   - Calculated time when timeout period will be done
+    Time  - Timeout period in microseconds
+
+  Returns:
+
+    VOID
+
+--*/
+;
+
+EFI_STATUS
+Timeout (
+  IN  UINT32 Start,
+  IN  UINT32 End
+  )
+/*++
+
+  Routine Description:
+    Used to determine if a timeout has occured.
+
+  Arguments:
+    Start - Snapshot of the HPET timer when the timeout period started.
+    End   - Calculated time when timeout period will be done.
+
+  Returns:
+    EFI_STATUS
+
+--*/
+;
+
+VOID
+EnableHpet (
+  VOID
+  )
+/*++
+
+Routine Description:
+
+  Enable Hpet function.
+
+Arguments:
+
+  None.
+
+Returns:
+
+  None.
+
+--*/
+;
+
+VOID
+IoDelay (
+  UINT32 delayTime
+  )
+/*++
+
+Routine Description:
+
+  Delay for at least the request number of microseconds
+
+Arguments:
+
+  delayTime - Number of microseconds to delay.
+
+Returns:
+
+  None.
+
+--*/
+;
+
+VOID
+SmmStall (
+  IN  UINTN   Microseconds
+  )
+/*++
+
+Routine Description:
+
+  Delay for at least the request number of microseconds.
+  Timer used is DMA refresh timer, which has 15us granularity.
+  You can call with any number of microseconds, but this 
+  implementation cannot support 1us granularity.
+    
+Arguments:
+
+  Microseconds - Number of microseconds to delay.
+
+Returns:
+
+  None
+
+--*/
+;
+#endif // _HECI_HPET_H