From 0c4229f0c041ae2f5990b9fce1bbf8e1bb842845 Mon Sep 17 00:00:00 2001
From: Jiewen Yao <jiewen.yao@intel.com>
Date: Sat, 17 Mar 2018 07:40:05 +0800
Subject: LewisBurgPkg: Initial version.

Cc: Isaac W Oram <isaac.w.oram@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Isaac W Oram <isaac.w.oram@intel.com>
---
 .../SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c    | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Silicon/Intel/LewisburgPkg/Library/SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c

(limited to 'Silicon/Intel/LewisburgPkg/Library/SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c')

diff --git a/Silicon/Intel/LewisburgPkg/Library/SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c b/Silicon/Intel/LewisburgPkg/Library/SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c
new file mode 100644
index 0000000000..befff4c8dd
--- /dev/null
+++ b/Silicon/Intel/LewisburgPkg/Library/SmmSpiFlashCommonLib/SpiFlashCommonSmmLib.c
@@ -0,0 +1,59 @@
+/** @file
+
+Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/SpiFlashCommonLib.h>
+#include <Library/SmmServicesTableLib.h>
+#include <Protocol/Spi.h>
+
+extern EFI_SPI_PROTOCOL   *mSpiProtocol;
+
+extern UINTN mFlashAreaBaseAddress;
+extern UINTN mFlashAreaSize;
+
+/**
+  The library constructuor.
+
+  The function does the necessary initialization work for this library
+  instance.
+
+  @param[in]  ImageHandle       The firmware allocated handle for the UEFI image.
+  @param[in]  SystemTable       A pointer to the EFI system table.
+
+  @retval     EFI_SUCCESS       The function always return EFI_SUCCESS for now.
+                                It will ASSERT on error for debug version.
+  @retval     EFI_ERROR         Please reference LocateProtocol for error code details.
+**/
+EFI_STATUS
+EFIAPI
+SmmSpiFlashCommonLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS Status;
+
+  mFlashAreaBaseAddress = (UINTN)PcdGet32 (PcdFlashAreaBaseAddress);
+  mFlashAreaSize        = (UINTN)PcdGet32 (PcdFlashAreaSize);
+
+  //
+  // Locate the SMM SPI protocol.
+  //
+  Status = gSmst->SmmLocateProtocol (
+                    &gEfiSmmSpiProtocolGuid,
+                    NULL,
+                    (VOID **) &mSpiProtocol
+                    );
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
-- 
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