diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Library/PchSmmLib')
| -rw-r--r-- | Vlv2TbltDevicePkg/Library/PchSmmLib/CommonHeader.h | 37 | ||||
| -rw-r--r-- | Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.c | 162 | ||||
| -rw-r--r-- | Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.inf | 51 |
3 files changed, 250 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Library/PchSmmLib/CommonHeader.h b/Vlv2TbltDevicePkg/Library/PchSmmLib/CommonHeader.h new file mode 100644 index 000000000..aefb5c2b6 --- /dev/null +++ b/Vlv2TbltDevicePkg/Library/PchSmmLib/CommonHeader.h @@ -0,0 +1,37 @@ +/**@file
+ Common header file shared by all source files.
+
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.
+
+ Copyright (c) 2007 - 2014, 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.
+
+**/
+
+#ifndef __COMMON_HEADER_H_
+#define __COMMON_HEADER_H_
+
+
+#include <Base.h>
+
+#include <Library/TimerLib.h>
+#include <Library/BaseLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+
+#define R_PCH_ACPI_SMI_EN 0x30
+#define B_PCH_ACPI_APMC_EN 0x00000020
+#define B_PCH_ACPI_EOS 0x00000002
+#define B_PCH_ACPI_GBL_SMI_EN 0x00000001
+#define R_PCH_ACPI_SMI_STS 0x34
+#define B_PCH_ACPI_APM_STS 0x00000020
+
+#endif
diff --git a/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.c b/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.c new file mode 100644 index 000000000..d4a90ee02 --- /dev/null +++ b/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.c @@ -0,0 +1,162 @@ +/** @file
+ PCH Smm Library Services that implements both S/W SMI generation and detection.
+
+ Copyright (c) 2007 - 2014, 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 "CommonHeader.h"
+
+
+/**
+ Triggers a run time or boot time SMI.
+
+ This function triggers a software SMM interrupt and set the APMC status with an 8-bit Data.
+
+ @param Data The value to set the APMC status.
+
+**/
+VOID
+InternalTriggerSmi (
+ IN UINT8 Data
+ )
+{
+ ASSERT(FALSE);
+}
+
+
+/**
+ Triggers an SMI at boot time.
+
+ This function triggers a software SMM interrupt at boot time.
+
+**/
+VOID
+EFIAPI
+TriggerBootServiceSoftwareSmi (
+ VOID
+ )
+{
+ ASSERT(FALSE);
+}
+
+
+/**
+ Triggers an SMI at run time.
+
+ This function triggers a software SMM interrupt at run time.
+
+**/
+VOID
+EFIAPI
+TriggerRuntimeSoftwareSmi (
+ VOID
+ )
+{
+ ASSERT(FALSE);
+}
+
+
+/**
+ Gets the software SMI data.
+
+ This function tests if a software SMM interrupt happens. If a software SMI happens,
+ it retrieves the SMM data and returns it as a non-negative value; otherwise a negative
+ value is returned.
+
+ @return Data The data retrieved from SMM data port in case of a software SMI;
+ otherwise a negative value.
+
+**/
+INTN
+InternalGetSwSmiData (
+ VOID
+ )
+{
+ ASSERT(FALSE);
+ return -1;
+}
+
+
+/**
+ Test if a boot time software SMI happened.
+
+ This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
+ it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE.
+
+ @retval TRUE A software SMI triggered at boot time happened.
+ @retval FLASE No software SMI happened or the software SMI was triggered at run time.
+
+**/
+BOOLEAN
+EFIAPI
+IsBootServiceSoftwareSmi (
+ VOID
+ )
+{
+ ASSERT(FALSE);
+ return FALSE;
+}
+
+
+/**
+ Test if a run time software SMI happened.
+
+ This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
+ it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE.
+
+ @retval TRUE A software SMI triggered at run time happened.
+ @retval FLASE No software SMI happened or the software SMI was triggered at boot time.
+
+**/
+BOOLEAN
+EFIAPI
+IsRuntimeSoftwareSmi (
+ VOID
+ )
+{
+ ASSERT(FALSE);
+ return FALSE;
+}
+
+
+/**
+
+ Clear APM SMI Status Bit; Set the EOS bit.
+
+**/
+VOID
+EFIAPI
+ClearSmi (
+ VOID
+ )
+{
+
+ UINT16 PmBase;
+
+ //
+ // Get PMBase
+ //
+ PmBase = PcdGet16 (PcdPchAcpiIoPortBaseAddress);
+
+ //
+ // Clear the APM SMI Status Bit
+ //
+ IoWrite16 (PmBase + R_PCH_ACPI_SMI_STS, B_PCH_ACPI_APM_STS);
+
+ //
+ // Set the EOS Bit
+ //
+ IoOr32 (PmBase + R_PCH_ACPI_SMI_EN, B_PCH_ACPI_EOS);
+}
+
diff --git a/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.inf b/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.inf new file mode 100644 index 000000000..e6516fbb3 --- /dev/null +++ b/Vlv2TbltDevicePkg/Library/PchSmmLib/PchSmmLib.inf @@ -0,0 +1,51 @@ +## @file
+# Component description file for Intel Ich7 SMM Library.
+#
+# ICH SMM Library that layers on top of the I/O Library to directly
+# access SMM power management registers.
+# Copyright (c) 2007 - 2014, 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.
+#
+#
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PchSmmLib
+ FILE_GUID = A6A16CCB-91B0-42f4-B4F3-D17D7A5662E6
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = SmmLib
+
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ PchSmmLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+ Vlv2TbltDevicePkg/PlatformPkg.dec
+
+[LibraryClasses]
+ PcdLib
+ IoLib
+
+[Pcd]
+ gEfiPchTokenSpaceGuid.PcdPchAcpiIoPortBaseAddress
+
+
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