1 files changed, 76 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/LegacyRegion.h b/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/LegacyRegion.h
new file mode 100644
index 0000000..d2e9b2d
--- /dev/null
+++ b/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/LegacyRegion.h
@@ -0,0 +1,76 @@
+/** @file
+  This code supports a private implementation of the Legacy Region protocol.
+
+@copyright
+  Copyright (c) 1999 - 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 _LEGACY_REGION_H_
+#define _LEGACY_REGION_H_
+
+#include "EdkIIGlueDxe.h"
+#include "Pci22.h"
+
+#include EFI_PROTOCOL_PRODUCER (LegacyRegion)
+#include EFI_PROTOCOL_DEFINITION (PciRootBridgeIo)
+#define LEGACY_REGION_INSTANCE_SIGNATURE  EFI_SIGNATURE_32 ('R', 'E', 'G', 'N')
+
+#include EFI_ARCH_PROTOCOL_CONSUMER (Cpu)
+#define LEGACY_REGION_DECODE_ROM  3
+
+#include "SaAccess.h"
+
+///
+/// PAM registers granularity is 16 KB
+///
+#define PAM_GRANULARITY 0x4000
+#define UNLOCK          0x0000
+#define LOCK            0x0001
+#define BOOTLOCK        0x0002
+
+typedef struct {
+  UINT32                          Signature;
+  EFI_HANDLE                      Handle;
+  EFI_LEGACY_REGION_PROTOCOL      LegacyRegion;
+  EFI_HANDLE                      ImageHandle;
+
+  ///
+  /// Protocol for PAM register access
+  ///
+  EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
+} LEGACY_REGION_INSTANCE;
+
+#define LEGACY_REGION_INSTANCE_FROM_THIS  (this) CR (this, \
+                                                     LEGACY_REGION_INSTANCE, \
+                                                     LegacyRegion, \
+                                                     LEGACY_REGION_INSTANCE_SIGNATURE \
+        )
+
+/**
+  Install Driver to produce Legacy Region protocol.
+
+  @param[in] ImageHandle             Handle for the image of this driver
+
+  @retval EFI_SUCCESS - Legacy Region protocol installed
+  @retval Other       - No protocol installed, unload driver.
+**/
+EFI_STATUS
+LegacyRegionInstall (
+  IN EFI_HANDLE           ImageHandle
+  )
+;
+
+#endif