1 files changed, 138 insertions, 0 deletions
diff --git a/SamsungPlatformPkg/ExynosPkg/Exynos5250/PlatformPei/PlatformPeim.c b/SamsungPlatformPkg/ExynosPkg/Exynos5250/PlatformPei/PlatformPeim.c
new file mode 100644
index 000000000..8663409ed
--- /dev/null
+++ b/SamsungPlatformPkg/ExynosPkg/Exynos5250/PlatformPei/PlatformPeim.c
@@ -0,0 +1,138 @@
+/** @file
+*
+*  Copyright (c) 2011, ARM Limited. All rights reserved.
+*  
+*  This program and the accompanying materials                          
+*  are licensed and made available under the terms and conditions of the BSD License         
+*  which 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 <PiPei.h>
+
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Ppi/ArmGlobalVariable.h>
+#include <Ppi/MasterBootMode.h>
+#include <Ppi/BootInRecoveryMode.h>
+#include <Ppi/GuidedSectionExtraction.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/ArmPlatformLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PcdLib.h>
+
+#include <Guid/ArmGlobalVariableHob.h>
+
+EFI_STATUS
+EFIAPI
+InitializePlatformPeim (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  );
+  
+EFI_STATUS
+EFIAPI
+PlatformPeim (
+  VOID
+  );
+
+//
+// Module globals
+//
+EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
+  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+  &gEfiPeiMasterBootModePpiGuid,
+  NULL
+};
+
+EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
+  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+  &gEfiPeiBootInRecoveryModePpiGuid,
+  NULL
+};
+
+VOID
+EFIAPI
+BuildGlobalVariableHob (
+  IN EFI_PHYSICAL_ADDRESS         GlobalVariableBase,
+  IN UINT32                       GlobalVariableSize
+  )
+{
+  EFI_STATUS                Status;
+  ARM_HOB_GLOBAL_VARIABLE   *Hob;
+
+  Status = PeiServicesCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE), (VOID**)&Hob);
+  if (!EFI_ERROR(Status)) {
+    CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);
+    Hob->GlobalVariableBase = GlobalVariableBase;
+    Hob->GlobalVariableSize = GlobalVariableSize;
+  }
+}
+
+/*++
+
+Routine Description:
+
+  
+
+Arguments:
+
+  FileHandle  - Handle of the file being invoked.
+  PeiServices - Describes the list of possible PEI Services.
+    
+Returns:
+
+  Status -  EFI_SUCCESS if the boot mode could be set
+
+--*/
+EFI_STATUS
+EFIAPI
+InitializePlatformPeim (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  EFI_STATUS                    Status;
+  UINTN                         BootMode;
+  ARM_GLOBAL_VARIABLE_PPI       *ArmGlobalVariablePpi;
+  EFI_PHYSICAL_ADDRESS          GlobalVariableBase;
+
+  DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
+
+  PlatformPeim ();
+  
+  Status = PeiServicesLocatePpi (&gArmGlobalVariablePpiGuid, 0, NULL, (VOID**)&ArmGlobalVariablePpi);
+  if (!EFI_ERROR(Status)) {
+    Status = ArmGlobalVariablePpi->GetGlobalVariableMemory (&GlobalVariableBase);
+
+    if (!EFI_ERROR(Status)) {
+      // Declare the Global Variable HOB
+      BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize));
+    }
+  }
+
+  BootMode  = ArmPlatformGetBootMode ();
+  Status    = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);
+  ASSERT_EFI_ERROR (Status);
+
+  Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);
+  ASSERT_EFI_ERROR (Status);
+
+  if (BootMode == BOOT_IN_RECOVERY_MODE) {
+    Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);
+    ASSERT_EFI_ERROR (Status);
+  }
+
+  return Status;
+}