summaryrefslogtreecommitdiff
path: root/ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h
diff options
context:
space:
mode:
Diffstat (limited to 'ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h')
-rw-r--r--ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h b/ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h
new file mode 100644
index 0000000..85fef0a
--- /dev/null
+++ b/ReferenceCode/Chipset/LynxPoint/Ppi/Spi/Spi.h
@@ -0,0 +1,57 @@
+/** @file
+ This file defines the EFI SPI PPI which implements the
+ Intel(R) PCH SPI Host Controller Compatibility Interface.
+
+@copyright
+ Copyright (c) 2006 - 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 a 'Sample Driver' and is licensed as such
+ under the terms of your license agreement with Intel or your
+ vendor. This file may be modified by the user, subject to
+ the additional terms of the license agreement
+**/
+#ifndef _PEI_SPI_H_
+#define _PEI_SPI_H_
+
+#include <Protocol/Spi/Spi.h>
+
+///
+/// Define the SPI PPI GUID
+///
+///
+/// EDK and EDKII have different GUID formats
+///
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#define PEI_SPI_PPI_GUID \
+ { \
+ 0xfbf26154, 0x4e55, 0x4bdc, 0xaf, 0x7b, 0xd9, 0x18, 0xac, 0x44, 0x3f, 0x61 \
+ }
+#else
+#define PEI_SPI_PPI_GUID \
+ { \
+ 0xfbf26154, 0x4e55, 0x4bdc, \
+ { \
+ 0xaf, 0x7b, 0xd9, 0x18, 0xac, 0x44, 0x3f, 0x61 \
+ } \
+ }
+#endif
+//
+// Extern the GUID for PPI users.
+//
+extern EFI_GUID gPeiSpiPpiGuid;
+
+///
+/// Reuse the EFI_SPI_PROTOCOL definitions
+/// This is possible becaues the PPI implementation does not rely on a PeiService pointer,
+/// as it uses EDKII Glue Lib to do IO accesses
+///
+typedef EFI_SPI_PROTOCOL PEI_SPI_PPI;
+
+#endif