2 files changed, 171 insertions, 0 deletions
diff --git a/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.c b/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.c
new file mode 100644
index 00000000..ad3e4f45
--- /dev/null
+++ b/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -0,0 +1,137 @@
+/** @file
+  Reset System Library functions for Simics ICH10
+
+  Copyright (c) 2006 - 2019 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Base.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/TimerLib.h>
+#include <Register/X58Ich10.h>
+
+
+VOID
+AcpiPmControl (
+  UINTN SuspendType
+  )
+{
+  ASSERT (SuspendType < 6);
+  DEBUG((EFI_D_ERROR, "SuspendType = 0x%x\n", SuspendType));
+
+  IoBitFieldWrite16 (ICH10_PMBASE_IO + 4, 10, 13, (UINT16) SuspendType);
+  IoOr16 (ICH10_PMBASE_IO + 0x04, BIT13);
+  CpuDeadLoop ();
+}
+
+/**
+  Calling this function causes a system-wide reset. This sets
+  all circuitry within the system to its initial state. This type of reset
+  is asynchronous to system operation and operates without regard to
+  cycle boundaries.
+
+  System reset should not return, if it returns, it means the system does
+  not support cold reset.
+**/
+VOID
+EFIAPI
+ResetCold (
+  VOID
+  )
+{
+  DEBUG((EFI_D_ERROR, "ResetCold_CF9\n"));
+  IoWrite8 (0xCF9, BIT3 | BIT2 | BIT1); // 1st choice: PIIX3 RCR, RCPU|SRST
+  MicroSecondDelay (50);
+
+  DEBUG((EFI_D_ERROR, "ResetCold_Port64\n"));
+  IoWrite8 (0x64, 0xfe);         // 2nd choice: keyboard controller
+  CpuDeadLoop ();
+}
+
+/**
+  Calling this function causes a system-wide initialization. The processors
+  are set to their initial state, and pending cycles are not corrupted.
+
+  System reset should not return, if it returns, it means the system does
+  not support warm reset.
+**/
+VOID
+EFIAPI
+ResetWarm (
+  VOID
+  )
+{
+  DEBUG((EFI_D_ERROR, "ResetWarm\n"));
+  //
+  //BUGBUG workaround for warm reset
+  //
+  IoWrite8(0xCF9, BIT2 | BIT1);
+  MicroSecondDelay(50);
+
+  IoWrite8 (0x64, 0xfe);
+  CpuDeadLoop ();
+}
+
+/**
+  Calling this function causes the system to enter a power state equivalent
+  to the ACPI G2/S5 or G3 states.
+
+  System shutdown should not return, if it returns, it means the system does
+  not support shut down reset.
+**/
+VOID
+EFIAPI
+ResetShutdown (
+  VOID
+  )
+{
+  DEBUG((EFI_D_ERROR, "ResetShutdown\n"));
+  AcpiPmControl (0);
+  ASSERT (FALSE);
+}
+
+
+/**
+  Calling this function causes the system to enter a power state for capsule
+  update.
+
+  Reset update should not return, if it returns, it means the system does
+  not support capsule update.
+
+**/
+VOID
+EFIAPI
+EnterS3WithImmediateWake (
+  VOID
+  )
+{
+  DEBUG((EFI_D_ERROR, "EnterS3WithImmediateWake\n"));
+  AcpiPmControl (1);
+  ASSERT (FALSE);
+}
+
+/**
+  This function causes a systemwide reset. The exact type of the reset is
+  defined by the EFI_GUID that follows the Null-terminated Unicode string passed
+  into ResetData. If the platform does not recognize the EFI_GUID in ResetData
+  the platform must pick a supported reset type to perform.The platform may
+  optionally log the parameters from any non-normal reset that occurs.
+
+  @param[in]  DataSize   The size, in bytes, of ResetData.
+  @param[in]  ResetData  The data buffer starts with a Null-terminated string,
+                         followed by the EFI_GUID.
+**/
+VOID
+EFIAPI
+ResetPlatformSpecific (
+  IN UINTN   DataSize,
+  IN VOID    *ResetData
+  )
+{
+  DEBUG((EFI_D_ERROR, "ResetPlatformSpecific\n"));
+  ResetCold ();
+}
diff --git a/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.inf b/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.inf
new file mode 100644
index 00000000..7b50ee88
--- /dev/null
+++ b/Silicon/Intel/SimicsIch10Pkg/Library/ResetSystemLib/ResetSystemLib.inf
@@ -0,0 +1,34 @@
+## @file
+#  Library instance for ResetSystem library class for OVMF
+#
+# Copyright (c) 2006 - 2019 Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = ResetSystemLib
+  FILE_GUID                      = 66564872-21d4-4d2a-a68b-1e844f980820
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = ResetSystemLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  ResetSystemLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  SimicsIch10Pkg/Ich10Pkg.dec
+
+[LibraryClasses]
+  DebugLib
+  IoLib
+  TimerLib