1 files changed, 87 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmJunoPkg/Library/ResetSystemLib/ResetSystemLib.c b/ArmPlatformPkg/ArmJunoPkg/Library/ResetSystemLib/ResetSystemLib.c
new file mode 100755
index 000000000..2297318b2
--- /dev/null
+++ b/ArmPlatformPkg/ArmJunoPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -0,0 +1,87 @@
+/** @file
+*
+*  Copyright (c) 2013-2014, 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 <PiDxe.h>
+
+#include <Library/DebugLib.h>
+#include <Library/EfiResetSystemLib.h>
+#include <Library/ArmSmcLib.h>
+#include <ArmJunoSmc.h>
+
+/**
+  Resets the entire platform.
+
+  @param  ResetType             The type of reset to perform.
+  @param  ResetStatus           The status code for the reset.
+  @param  DataSize              The size, in bytes, of WatchdogData.
+  @param  ResetData             For a ResetType of EfiResetCold, EfiResetWarm, or
+                                EfiResetShutdown the data buffer starts with a Null-terminated
+                                Unicode string, optionally followed by additional binary data.
+
+**/
+EFI_STATUS
+EFIAPI
+LibResetSystem (
+  IN EFI_RESET_TYPE   ResetType,
+  IN EFI_STATUS       ResetStatus,
+  IN UINTN            DataSize,
+  IN CHAR16           *ResetData OPTIONAL
+  )
+{
+  UINTN   Rx;
+  UINTN   SystemState;
+
+  switch (ResetType) {
+  case EfiResetWarm:
+  case EfiResetCold:
+    // Map a warm reset into a cold reset
+    Rx          = ARM_JUNO_ARM_FAST_SMC_SET_SYSTEM_POWER_STATE;
+    SystemState = ARM_JUNO_ARM_FAST_SMC_SYSTEM_POWER_STATE_REBOOT;
+    break;
+  case EfiResetShutdown:
+    Rx          = ARM_JUNO_ARM_FAST_SMC_SET_SYSTEM_POWER_STATE;
+    SystemState = ARM_JUNO_ARM_FAST_SMC_SYSTEM_POWER_STATE_SHUTDOWN;
+    break;
+  default:
+    Rx = 0;
+    ASSERT(FALSE);
+  }
+
+  if (Rx != 0) {
+    ArmCallSmcArg1 (&Rx, &SystemState);
+    // We should never be here
+    while(1);
+  }
+
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Initialize any infrastructure required for LibResetSystem () to function.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+  
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+LibInitializeResetSystem (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  return EFI_SUCCESS;
+}