This supports:
* Enable/Disable APEI Support
* Enable/Disable CPPC Support
* Enable/Disable LPI support
* Enable/Disable Max Performance Mode
Cc: Thang Nguyen <th...@os.amperecomputing.com>
Cc: Chuong Tran <chu...@os.amperecomputing.com>
Cc: Phong Vo <ph...@os.amperecomputing.com>
Cc: Leif Lindholm <l...@nuviainc.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Nhi Pham <n...@os.amperecomputing.com>
---
Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec | 3 +
Platform/Ampere/JadePkg/Jade.dsc | 1 +
Platform/Ampere/JadePkg/Jade.fdf | 1 +
Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf | 1 +
Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf | 56 ++
Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h | 2 +
Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h | 85 +++
Silicon/Ampere/AmpereAltraPkg/Include/AcpiNVDataStruc.h | 28 +
Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h | 19 +
Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/Vfr.vfr | 69 ++
Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c | 23 +-
Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c | 733
++++++++++++++++++++
Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/VfrStrings.uni | 27 +
13 files changed, 1046 insertions(+), 2 deletions(-)
diff --git a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
index 05b4e8576836..ede85d3a3421 100644
--- a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
+++ b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
@@ -53,6 +53,9 @@ [Guids]
# GUID for the CPU HII configuration form
gCpuConfigFormSetGuid = { 0x43FAA144, 0xA2DF, 0x4050, { 0xA7, 0xFD,
0xEE, 0x17, 0xC9, 0xB8, 0x88, 0x8E } }
+ # GUID for the ACPI HII configuration form
+ gAcpiConfigFormSetGuid = { 0x0ceb6764, 0xd415, 0x4b01, { 0xa8, 0x43, 0xd1,
0x01, 0xbc, 0xb0, 0xd8, 0x29 } }
+
## NVParam MM GUID
gNVParamMmGuid = { 0xE4AC5024, 0x29BE, 0x4ADC, { 0x93, 0x36,
0x87, 0xB5, 0xA0, 0x76, 0x23, 0x2D } }
diff --git a/Platform/Ampere/JadePkg/Jade.dsc b/Platform/Ampere/JadePkg/Jade.dsc
index 547fbb68b4e3..e82b0cce691a 100755
--- a/Platform/Ampere/JadePkg/Jade.dsc
+++ b/Platform/Ampere/JadePkg/Jade.dsc
@@ -181,3 +181,4 @@ [Components.common]
Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfoDxe/MemInfoDxe.inf
Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
+ Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
diff --git a/Platform/Ampere/JadePkg/Jade.fdf b/Platform/Ampere/JadePkg/Jade.fdf
index b8342fde9d72..ddd601075f19 100755
--- a/Platform/Ampere/JadePkg/Jade.fdf
+++ b/Platform/Ampere/JadePkg/Jade.fdf
@@ -356,5 +356,6 @@ [FV.FvMain]
INF Silicon/Ampere/AmpereAltraPkg/Drivers/PlatformInfoDxe/PlatformInfoDxe.inf
INF Silicon/Ampere/AmpereAltraPkg/Drivers/MemInfoDxe/MemInfoDxe.inf
INF Silicon/Ampere/AmpereAltraPkg/Drivers/CpuConfigDxe/CpuConfigDxe.inf
+ INF Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
!include Platform/Ampere/AmperePlatformPkg/FvRules.fdf.inc
diff --git
a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
index a1a323eee472..287b4eadbf4a 100644
--- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
+++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
@@ -64,6 +64,7 @@ [Guids]
gArmMpCoreInfoGuid
gEfiAcpiTableGuid
gEfiEventReadyToBootGuid
+ gAcpiConfigFormSetGuid
gPlatformHobGuid
[Protocols]
diff --git
a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
new file mode 100644
index 000000000000..bc2fbebc84d1
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.inf
@@ -0,0 +1,56 @@
+## @file
+#
+# Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = AcpiConfigDxe
+ FILE_GUID = F36685AE-2623-4231-ABC0-2C151451E6B7
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = AcpiConfigEntryPoint
+
+[Sources.common]
+ AcpiConfigDxe.c
+ AcpiConfigDxe.h
+ Vfr.vfr
+ VfrStrings.uni
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dec
+ Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
+
+[LibraryClasses]
+ AcpiHelperLib
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ DevicePathLib
+ HiiLib
+ HobLib
+ MemoryAllocationLib
+ SystemFirmwareInterfaceLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ UefiLib
+
+[Guids]
+ gPlatformManagerFormsetGuid
+ gAcpiConfigFormSetGuid
+ gEfiEventReadyToBootGuid
+ gPlatformHobGuid
+
+[Protocols]
+ gEfiDevicePathProtocolGuid ## CONSUMES
+ gEfiHiiConfigRoutingProtocolGuid ## CONSUMES
+ gEfiHiiConfigAccessProtocolGuid ## PRODUCES
+
+[Depex]
+ gEfiVariableArchProtocolGuid AND
+ gEfiVariableWriteArchProtocolGuid
diff --git a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
index c207142459ad..5a0ce9dcc69a 100644
--- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
+++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.h
@@ -9,7 +9,9 @@
#ifndef ACPI_APEI_H_
#define ACPI_APEI_H_
+#include <AcpiNVDataStruc.h>
#include <Base.h>
+#include <Guid/AcpiConfigFormSet.h>
#include <IndustryStandard/Acpi63.h>
#include <Library/AcpiHelperLib.h>
#include <Library/AmpereCpuLib.h>
diff --git
a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
new file mode 100644
index 000000000000..45cb08e01f7b
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.h
@@ -0,0 +1,85 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef DRIVER_SAMPLE_H_
+#define DRIVER_SAMPLE_H_
+
+#include <Uefi.h>
+
+#include <AcpiNVDataStruc.h>
+#include <Guid/AcpiConfigFormSet.h>
+#include <Guid/MdeModuleHii.h>
+#include <Guid/PlatformInfoHobGuid.h>
+#include <Library/AcpiHelperLib.h>
+#include <Library/AcpiHelperLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/HiiLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/SystemFirmwareInterfaceLib.h>
+#include <Library/PrintLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <PlatformInfoHob.h>
+#include <Protocol/AcpiSystemDescriptionTable.h>
+#include <Protocol/HiiConfigAccess.h>
+#include <Protocol/HiiConfigRouting.h>
+
+//
+// This is the generated IFR binary data for each formset defined in VFR.
+//
+extern UINT8 VfrBin[];
+
+//
+// This is the generated String package data for all .UNI files.
+//
+extern UINT8 AcpiConfigDxeStrings[];
+
+#define ACPI_CONFIG_PRIVATE_SIGNATURE SIGNATURE_32 ('A', 'C', 'P', 'I')
+
+typedef struct {
+ UINTN Signature;
+
+ EFI_HANDLE DriverHandle;
+ EFI_HII_HANDLE HiiHandle;
+ ACPI_CONFIG_VARSTORE_DATA Configuration;
+ PLATFORM_INFO_HOB *PlatformHob;
+ EFI_ACPI_SDT_PROTOCOL *AcpiTableProtocol;
+ EFI_ACPI_HANDLE AcpiTableHandle;
+
+ //
+ // Consumed protocol
+ //
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+
+ //
+ // Produced protocol
+ //
+ EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;
+} ACPI_CONFIG_PRIVATE_DATA;
+
+#define ACPI_CONFIG_PRIVATE_FROM_THIS(a) CR (a, ACPI_CONFIG_PRIVATE_DATA,
ConfigAccess, ACPI_CONFIG_PRIVATE_SIGNATURE)
+
+#pragma pack(1)
+
+///
+/// HII specific Vendor Device Path definition.
+///
+typedef struct {
+ VENDOR_DEVICE_PATH VendorDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} HII_VENDOR_DEVICE_PATH;
+
+#pragma pack()
+
+#endif
diff --git a/Silicon/Ampere/AmpereAltraPkg/Include/AcpiNVDataStruc.h
b/Silicon/Ampere/AmpereAltraPkg/Include/AcpiNVDataStruc.h
new file mode 100644
index 000000000000..17f80113797d
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Include/AcpiNVDataStruc.h
@@ -0,0 +1,28 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef ACPI_NV_DATA_STRUC_H_
+#define ACPI_NV_DATA_STRUC_H_
+
+#pragma pack(1)
+
+//
+// ACPI Configuration NV data structure definition
+//
+typedef struct {
+ UINT32 EnableApeiSupport;
+ UINT32 AcpiCppcEnable;
+ UINT32 AcpiLpiEnable;
+ UINT32 AcpiTurboSupport;
+ UINT32 AcpiTurboMode;
+ UINT32 Reserved[4];
+} ACPI_CONFIG_VARSTORE_DATA;
+
+#pragma pack()
+
+#endif /* ACPI_NV_DATA_STRUC_H_ */
diff --git a/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
new file mode 100644
index 000000000000..1779a4543769
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Include/Guid/AcpiConfigFormSet.h
@@ -0,0 +1,19 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef ACPI_CONFIG_FORMSET_GUID_H_
+#define ACPI_CONFIG_FORMSET_GUID_H_
+
+#define ACPI_CONFIGURATION_FORMSET_GUID \
+ { \
+ 0x0ceb6764, 0xd415, 0x4b01, { 0xa8, 0x43, 0xd1, 0x01, 0xbc, 0xb0, 0xd8,
0x29 } \
+ }
+
+extern EFI_GUID gAcpiConfigFormSetGuid;
+
+#endif /* ACPI_CONFIG_FORMSET_GUID_H_ */
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/Vfr.vfr
b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/Vfr.vfr
new file mode 100644
index 000000000000..6cbd896987b5
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/Vfr.vfr
@@ -0,0 +1,69 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#include <Guid/AcpiConfigFormSet.h>
+#include <AcpiNVDataStruc.h>
+
+#define ACPI_CONFIG_FORM_ID 1
+
+formset
+ guid = ACPI_CONFIGURATION_FORMSET_GUID,
+ title = STRING_TOKEN(STR_ACPI_FORM),
+ help = STRING_TOKEN(STR_ACPI_FORM_HELP),
+ classguid = gPlatformManagerFormsetGuid,
+
+ varstore ACPI_CONFIG_VARSTORE_DATA,
+ name = AcpiConfigNVData,
+ guid = ACPI_CONFIGURATION_FORMSET_GUID;
+
+ form
+ formid = ACPI_CONFIG_FORM_ID,
+ title = STRING_TOKEN(STR_ACPI_FORM);
+ subtitle text = STRING_TOKEN(STR_ACPI_FORM_HELP);
+
+ oneof
+ varid = AcpiConfigNVData.EnableApeiSupport,
+ prompt = STRING_TOKEN(STR_ACPI_APEI_SUPPORT_PROMPT),
+ help = STRING_TOKEN(STR_ACPI_APEI_SUPPORT_HELP),
+ option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags =
0;
+ option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
DEFAULT;
+ endoneof;
+
+ oneof
+ varid = AcpiConfigNVData.AcpiCppcEnable,
+ prompt = STRING_TOKEN(STR_ACPI_CPPC_PROMPT),
+ help = STRING_TOKEN(STR_ACPI_CPPC_HELP),
+ option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags =
0;
+ option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
DEFAULT;
+ endoneof;
+
+ oneof
+ varid = AcpiConfigNVData.AcpiLpiEnable,
+ prompt = STRING_TOKEN(STR_ACPI_LPI_PROMPT),
+ help = STRING_TOKEN(STR_ACPI_LPI_HELP),
+ option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags =
0;
+ option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
DEFAULT;
+ endoneof;
+
+ grayoutif ideqval AcpiConfigNVData.AcpiTurboSupport == 0;
+ oneof
+ varid = AcpiConfigNVData.AcpiTurboMode,
+ prompt = STRING_TOKEN(STR_ACPI_TURBO_PROMPT),
+ help = STRING_TOKEN(STR_ACPI_TURBO_HELP),
+ option text = STRING_TOKEN(STR_ACPI_COMMON_ENABLE), value = 1, flags =
DEFAULT;
+ option text = STRING_TOKEN(STR_ACPI_COMMON_DISABLE), value = 0, flags
= 0;
+ suppressif ideqval AcpiConfigNVData.AcpiTurboSupport > 0;
+ option text = STRING_TOKEN(STR_ACPI_UNSUPPORTED), value = 2, flags = 0;
+ endif;
+ endoneof;
+ endif;
+
+ endform;
+
+endformset;
diff --git a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
index fa188c7776db..3ec63250a5de 100644
--- a/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
+++ b/Platform/Ampere/JadePkg/Drivers/AcpiPlatformDxe/AcpiApei.c
@@ -445,8 +445,27 @@ AcpiApeiUpdate (
VOID
)
{
- if (!IsSlaveSocketActive ()) {
- AcpiApeiHestUpdateTable1P ();
+ EFI_STATUS Status;
+ ACPI_CONFIG_VARSTORE_DATA AcpiConfigData;
+ UINTN BufferSize;
+
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ Status = gRT->GetVariable (
+ L"AcpiConfigNVData",
+ &gAcpiConfigFormSetGuid,
+ NULL,
+ &BufferSize,
+ &AcpiConfigData
+ );
+ if (!EFI_ERROR (Status) && (AcpiConfigData.EnableApeiSupport == 0)) {
+ AcpiApeiUninstallTable (EFI_ACPI_6_3_BOOT_ERROR_RECORD_TABLE_SIGNATURE);
+ AcpiApeiUninstallTable
(EFI_ACPI_6_3_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE);
+ AcpiApeiUninstallTable
(EFI_ACPI_6_3_SOFTWARE_DELEGATED_EXCEPTIONS_INTERFACE_TABLE_SIGNATURE);
+ AcpiApeiUninstallTable (EFI_ACPI_6_3_ERROR_INJECTION_TABLE_SIGNATURE);
+ } else {
+ if (!IsSlaveSocketActive ()) {
+ AcpiApeiHestUpdateTable1P ();
+ }
}
if (!IsSdeiEnabled ()) {
diff --git
a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
new file mode 100644
index 000000000000..ea9004ef2e3c
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/AcpiConfigDxe.c
@@ -0,0 +1,733 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "AcpiConfigDxe.h"
+
+#define ACPI_VARSTORE_ATTRIBUTES EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+ EFI_VARIABLE_RUNTIME_ACCESS | \
+ EFI_VARIABLE_NON_VOLATILE
+
+CHAR16 AcpiVarstoreDataName[] = L"AcpiConfigNVData";
+
+EFI_HANDLE mDriverHandle = NULL;
+ACPI_CONFIG_PRIVATE_DATA *mPrivateData = NULL;
+
+HII_VENDOR_DEVICE_PATH mAcpiConfigHiiVendorDevicePath = {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ {
+ (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
+ (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+ }
+ },
+ ACPI_CONFIGURATION_FORMSET_GUID
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ (UINT8)(END_DEVICE_PATH_LENGTH),
+ (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)
+ }
+ }
+};
+
+/**
+ This function allows a caller to extract the current configuration for one
+ or more named elements from the target driver.
+
+ @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
+ @param Request A null-terminated Unicode string in
+ <ConfigRequest> format.
+ @param Progress On return, points to a character in the
Request
+ string. Points to the string's null
terminator if
+ request was successful. Points to the most
recent
+ '&' before the first failing name/value pair
(or
+ the beginning of the string if the failure is
in
+ the first name/value pair) if the request was
not
+ successful.
+ @param Results A null-terminated Unicode string in
+ <ConfigAltResp> format which has all values
filled
+ in for the names in the Request string.
String to
+ be allocated by the called function.
+
+ @retval EFI_SUCCESS The Results is filled with the requested
values.
+ @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
+ @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.
+ @retval EFI_NOT_FOUND Routing data doesn't match any storage in this
+ driver.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtractConfig (
+ IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
+ IN CONST EFI_STRING Request,
+ OUT EFI_STRING *Progress,
+ OUT EFI_STRING *Results
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ ACPI_CONFIG_PRIVATE_DATA *PrivateData;
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+ EFI_STRING ConfigRequest;
+ EFI_STRING ConfigRequestHdr;
+ UINTN Size;
+ BOOLEAN AllocatedRequest;
+
+ if (Progress == NULL || Results == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Initialize the local variables.
+ //
+ ConfigRequestHdr = NULL;
+ ConfigRequest = NULL;
+ Size = 0;
+ *Progress = Request;
+ AllocatedRequest = FALSE;
+
+ if ((Request != NULL) && !HiiIsConfigHdrMatch (Request,
&gAcpiConfigFormSetGuid, AcpiVarstoreDataName)) {
+ return EFI_NOT_FOUND;
+ }
+
+ PrivateData = ACPI_CONFIG_PRIVATE_FROM_THIS (This);
+ HiiConfigRouting = PrivateData->HiiConfigRouting;
+
+ //
+ // Get Buffer Storage data from EFI variable.
+ // Try to get the current setting from variable.
+ //
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ Status = gRT->GetVariable (
+ AcpiVarstoreDataName,
+ &gAcpiConfigFormSetGuid,
+ NULL,
+ &BufferSize,
+ &PrivateData->Configuration
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
+ //
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ ConfigRequest = Request;
+ if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
+ //
+ // Request has no request element, construct full request string.
+ // Allocate and fill a buffer large enough to hold the <ConfigHdr> template
+ // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a
Null-terminator
+ //
+ ConfigRequestHdr = HiiConstructConfigHdr (
+ &gAcpiConfigFormSetGuid,
+ AcpiVarstoreDataName,
+ PrivateData->DriverHandle
+ );
+ Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
+ ConfigRequest = AllocateZeroPool (Size);
+ ASSERT (ConfigRequest != NULL);
+ if (ConfigRequest == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ AllocatedRequest = TRUE;
+ UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX",
ConfigRequestHdr, (UINT64)BufferSize);
+ FreePool (ConfigRequestHdr);
+ }
+
+ //
+ // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
+ //
+ Status = HiiConfigRouting->BlockToConfig (
+ HiiConfigRouting,
+ ConfigRequest,
+ (UINT8 *)&PrivateData->Configuration,
+ BufferSize,
+ Results,
+ Progress
+ );
+
+ //
+ // Free the allocated config request string.
+ //
+ if (AllocatedRequest) {
+ FreePool (ConfigRequest);
+ ConfigRequest = NULL;
+ }
+
+ //
+ // Set Progress string to the original request string.
+ //
+ if (Request == NULL) {
+ *Progress = NULL;
+ } else if (StrStr (Request, L"OFFSET") == NULL) {
+ *Progress = Request + StrLen (Request);
+ }
+
+ return Status;
+}
+
+/**
+ This function processes the results of changes in configuration.
+
+ @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
+ @param Configuration A null-terminated Unicode string in
<ConfigResp>
+ format.
+ @param Progress A pointer to a string filled in with the
offset of
+ the most recent '&' before the first failing
+ name/value pair (or the beginning of the
string if
+ the failure is in the first name/value pair)
or
+ the terminating NULL if all was successful.
+
+ @retval EFI_SUCCESS The Results is processed successfully.
+ @retval EFI_INVALID_PARAMETER Configuration is NULL.
+ @retval EFI_NOT_FOUND Routing data doesn't match any storage in this
+ driver.
+
+**/
+EFI_STATUS
+EFIAPI
+RouteConfig (
+ IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
+ IN CONST EFI_STRING Configuration,
+ OUT EFI_STRING *Progress
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ ACPI_CONFIG_PRIVATE_DATA *PrivateData;
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+
+ if (Configuration == NULL || Progress == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ PrivateData = ACPI_CONFIG_PRIVATE_FROM_THIS (This);
+ HiiConfigRouting = PrivateData->HiiConfigRouting;
+ *Progress = Configuration;
+
+ //
+ // Check routing data in <ConfigHdr>.
+ // Note: if only one Storage is used, then this checking could be skipped.
+ //
+ if (!HiiIsConfigHdrMatch (Configuration, &gAcpiConfigFormSetGuid,
AcpiVarstoreDataName)) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Get Buffer Storage data from EFI variable
+ //
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ Status = gRT->GetVariable (
+ AcpiVarstoreDataName,
+ &gAcpiConfigFormSetGuid,
+ NULL,
+ &BufferSize,
+ &PrivateData->Configuration
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()
+ //
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ Status = HiiConfigRouting->ConfigToBlock (
+ HiiConfigRouting,
+ Configuration,
+ (UINT8 *)&PrivateData->Configuration,
+ &BufferSize,
+ Progress
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Store Buffer Storage back to EFI variable
+ //
+ Status = gRT->SetVariable (
+ AcpiVarstoreDataName,
+ &gAcpiConfigFormSetGuid,
+ ACPI_VARSTORE_ATTRIBUTES,
+ sizeof (ACPI_CONFIG_VARSTORE_DATA),
+ &PrivateData->Configuration
+ );
+
+ return Status;
+}
+
+/**
+ This function processes the results of changes in configuration.
+
+ @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
+ @param Action Specifies the type of action taken by the
browser.
+ @param QuestionId A unique value which is sent to the original
+ exporting driver so that it can identify the
type
+ of data to expect.
+ @param Type The type of value for the question.
+ @param Value A pointer to the data being sent to the
original
+ exporting driver.
+ @param ActionRequest On return, points to the action requested by
the
+ callback function.
+
+ @retval EFI_SUCCESS The callback successfully handled the action.
+ @retval EFI_INVALID_PARAMETER The setup browser call this function with
invalid parameters.
+
+**/
+EFI_STATUS
+EFIAPI
+DriverCallback (
+ IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
+ IN EFI_BROWSER_ACTION Action,
+ IN EFI_QUESTION_ID QuestionId,
+ IN UINT8 Type,
+ IN EFI_IFR_TYPE_VALUE *Value,
+ OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
+ )
+{
+ if (Action != EFI_BROWSER_ACTION_CHANGING) {
+ //
+ // Do nothing for other UEFI Action. Only do call back when data is
changed.
+ //
+ return EFI_UNSUPPORTED;
+ }
+ if (((Value == NULL)
+ && (Action != EFI_BROWSER_ACTION_FORM_OPEN)
+ && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))
+ || (ActionRequest == NULL))
+ {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+AcpiNVDataUpdate (
+ IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
+ )
+{
+ EFI_STATUS Status;
+ PLATFORM_INFO_HOB *PlatformHob;
+ UINT32 TurboSupport;
+
+ ASSERT (PrivateData != NULL);
+
+ PlatformHob = PrivateData->PlatformHob;
+ TurboSupport = PlatformHob->TurboCapability[0] +
PlatformHob->TurboCapability[1];
+
+ if (TurboSupport == 0) {
+ PrivateData->Configuration.AcpiTurboMode = 2; // Unsupported mode
+ PrivateData->Configuration.AcpiTurboSupport = 0;
+ } else {
+ PrivateData->Configuration.AcpiTurboSupport = 1;
+ }
+
+ Status = gRT->SetVariable (
+ AcpiVarstoreDataName,
+ &gAcpiConfigFormSetGuid,
+ ACPI_VARSTORE_ATTRIBUTES,
+ sizeof (ACPI_CONFIG_VARSTORE_DATA),
+ &PrivateData->Configuration
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a %d gRT->SetVariable() failed \n", __FUNCTION__,
__LINE__));
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+UpdateTurboModeConfig (
+ IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
+ )
+{
+ EFI_STATUS Status;
+ PLATFORM_INFO_HOB *PlatformHob;
+ BOOLEAN EnableTurbo;
+
+ ASSERT (PrivateData != NULL);
+
+ if (PrivateData->Configuration.AcpiTurboSupport != 0) {
+ PlatformHob = PrivateData->PlatformHob;
+ EnableTurbo = (PrivateData->Configuration.AcpiTurboMode != 0) ? TRUE :
FALSE;
+
+ if (PlatformHob->TurboCapability[0] != 0) {
+ Status = MailboxMsgTurboConfig (0, EnableTurbo);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ if (PlatformHob->TurboCapability[1] != 0) {
+ Status = MailboxMsgTurboConfig (1, EnableTurbo);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+ } else {
+ DEBUG ((DEBUG_INFO, "%a: Turbo mode is unsupported! \n", __FUNCTION__));
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+UpdateCPPCConfig (
+ IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_HANDLE ChildHandle;
+ CHAR8 Buffer[64];
+ EFI_ACPI_DATA_TYPE DataType;
+ UINTN DataSize;
+ UINT8 *Data;
+ EFI_ACPI_SDT_PROTOCOL *AcpiTableProtocol;
+
+ ASSERT (PrivateData != NULL);
+
+ AcpiTableProtocol = PrivateData->AcpiTableProtocol;
+
+ AsciiSPrint (Buffer, sizeof (Buffer), "\\_SB.CPCE");
+ Status = AcpiTableProtocol->FindPath (
+ PrivateData->AcpiTableHandle,
+ (VOID *)Buffer,
+ &ChildHandle
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed to find path CPCE\n"));
+ AcpiTableProtocol->Close (PrivateData->AcpiTableHandle);
+ return Status;
+ }
+
+ Status = AcpiTableProtocol->GetOption (
+ ChildHandle,
+ 2,
+ &DataType,
+ (VOID *)&Data,
+ &DataSize
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Data[0] = PrivateData->Configuration.AcpiCppcEnable;
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+UpdateLPIConfig (
+ IN ACPI_CONFIG_PRIVATE_DATA *PrivateData
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_HANDLE ChildHandle;
+ CHAR8 Buffer[64];
+ EFI_ACPI_DATA_TYPE DataType;
+ UINTN DataSize;
+ UINT8 *Data;
+ EFI_ACPI_SDT_PROTOCOL *AcpiTableProtocol;
+
+ ASSERT (PrivateData != NULL);
+
+ AcpiTableProtocol = PrivateData->AcpiTableProtocol;
+
+ AsciiSPrint (Buffer, sizeof (Buffer), "\\_SB.LPIE");
+ Status = AcpiTableProtocol->FindPath (
+ PrivateData->AcpiTableHandle,
+ (VOID *)Buffer,
+ &ChildHandle
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Fail to find path LPIE\n"));
+ AcpiTableProtocol->Close (PrivateData->AcpiTableHandle);
+ return Status;
+ }
+
+ Status = AcpiTableProtocol->GetOption (
+ ChildHandle,
+ 2,
+ &DataType,
+ (VOID *)&Data,
+ &DataSize
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Data[0] = PrivateData->Configuration.AcpiLpiEnable;
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+VOID
+UpdateAcpiOnReadyToBoot (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_SDT_PROTOCOL *AcpiTableProtocol;
+ EFI_ACPI_HANDLE TableHandle;
+
+ ASSERT (mPrivateData != NULL);
+
+ //
+ // Find the AcpiTable protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiAcpiSdtProtocolGuid,
+ NULL,
+ (VOID **)&AcpiTableProtocol
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Unable to locate ACPI table protocol\n"));
+ return;
+ }
+
+ mPrivateData->AcpiTableProtocol = AcpiTableProtocol;
+
+ Status = AcpiOpenDSDT (AcpiTableProtocol, &TableHandle);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Unable to locate DSDT table protocol\n"));
+ return;
+ }
+
+ mPrivateData->AcpiTableHandle = TableHandle;
+
+ Status = UpdateCPPCConfig (mPrivateData);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ Status = UpdateLPIConfig (mPrivateData);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ Status = UpdateTurboModeConfig (mPrivateData);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ //
+ // Close DSDT Table
+ //
+ AcpiTableProtocol->Close (TableHandle);
+
+ AcpiDSDTUpdateChecksum (AcpiTableProtocol);
+}
+
+STATIC
+EFI_STATUS
+AcpiConfigUnload (
+ VOID
+ )
+{
+ ASSERT (mPrivateData != NULL);
+
+ if (mDriverHandle != NULL) {
+ gBS->UninstallMultipleProtocolInterfaces (
+ mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mAcpiConfigHiiVendorDevicePath,
+ &gEfiHiiConfigAccessProtocolGuid,
+ &mPrivateData->ConfigAccess,
+ NULL
+ );
+ mDriverHandle = NULL;
+ }
+
+ if (mPrivateData->HiiHandle != NULL) {
+ HiiRemovePackages (mPrivateData->HiiHandle);
+ }
+
+ FreePool (mPrivateData);
+ mPrivateData = NULL;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+AcpiConfigEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_HANDLE HiiHandle;
+ EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+ UINTN BufferSize;
+ ACPI_CONFIG_VARSTORE_DATA *Configuration;
+ BOOLEAN ActionFlag;
+ EFI_STRING ConfigRequestHdr;
+ EFI_EVENT ReadyToBootEvent;
+ PLATFORM_INFO_HOB *PlatformHob;
+ VOID *Hob;
+
+ //
+ // Initialize the local variables.
+ //
+ ConfigRequestHdr = NULL;
+
+ //
+ // Initialize driver private data
+ //
+ mPrivateData = AllocateZeroPool (sizeof (ACPI_CONFIG_PRIVATE_DATA));
+ if (mPrivateData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mPrivateData->Signature = ACPI_CONFIG_PRIVATE_SIGNATURE;
+
+ mPrivateData->ConfigAccess.ExtractConfig = ExtractConfig;
+ mPrivateData->ConfigAccess.RouteConfig = RouteConfig;
+ mPrivateData->ConfigAccess.Callback = DriverCallback;
+
+ //
+ // Get the Platform HOB
+ //
+ Hob = GetFirstGuidHob (&gPlatformHobGuid);
+ ASSERT (Hob != NULL);
+ if (Hob == NULL) {
+ AcpiConfigUnload ();
+ return EFI_DEVICE_ERROR;
+ }
+ PlatformHob = (PLATFORM_INFO_HOB *)GET_GUID_HOB_DATA (Hob);
+
+ mPrivateData->PlatformHob = PlatformHob;
+
+ //
+ // Locate ConfigRouting protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID
**)&HiiConfigRouting);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ mPrivateData->HiiConfigRouting = HiiConfigRouting;
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mAcpiConfigHiiVendorDevicePath,
+ &gEfiHiiConfigAccessProtocolGuid,
+ &mPrivateData->ConfigAccess,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ mPrivateData->DriverHandle = mDriverHandle;
+
+ //
+ // Publish our HII data
+ //
+ HiiHandle = HiiAddPackages (
+ &gAcpiConfigFormSetGuid,
+ mDriverHandle,
+ AcpiConfigDxeStrings,
+ VfrBin,
+ NULL
+ );
+ if (HiiHandle == NULL) {
+ gBS->UninstallMultipleProtocolInterfaces (
+ mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mAcpiConfigHiiVendorDevicePath,
+ &gEfiHiiConfigAccessProtocolGuid,
+ &mPrivateData->ConfigAccess,
+ NULL
+ );
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mPrivateData->HiiHandle = HiiHandle;
+
+ //
+ // Initialize configuration data
+ //
+ Configuration = &mPrivateData->Configuration;
+ ZeroMem (Configuration, sizeof (ACPI_CONFIG_VARSTORE_DATA));
+
+ //
+ // Try to read NV config EFI variable first
+ //
+ ConfigRequestHdr = HiiConstructConfigHdr (&gAcpiConfigFormSetGuid,
AcpiVarstoreDataName, mDriverHandle);
+ ASSERT (ConfigRequestHdr != NULL);
+
+ BufferSize = sizeof (ACPI_CONFIG_VARSTORE_DATA);
+ Status = gRT->GetVariable (AcpiVarstoreDataName, &gAcpiConfigFormSetGuid,
NULL, &BufferSize, Configuration);
+ if (EFI_ERROR (Status)) {
+ //
+ // Store zero data Buffer Storage to EFI variable
+ //
+ Status = gRT->SetVariable (
+ AcpiVarstoreDataName,
+ &gAcpiConfigFormSetGuid,
+ ACPI_VARSTORE_ATTRIBUTES,
+ sizeof (ACPI_CONFIG_VARSTORE_DATA),
+ Configuration
+ );
+ if (EFI_ERROR (Status)) {
+ AcpiConfigUnload ();
+ return Status;
+ }
+ //
+ // EFI variable for NV config doesn't exit, we should build this variable
+ // based on default values stored in IFR
+ //
+ ActionFlag = HiiSetToDefaults (ConfigRequestHdr,
EFI_HII_DEFAULT_CLASS_STANDARD);
+ if (!ActionFlag) {
+ AcpiConfigUnload ();
+ return EFI_INVALID_PARAMETER;
+ }
+ } else {
+ //
+ // EFI variable does exist and Validate Current Setting
+ //
+ ActionFlag = HiiValidateSettings (ConfigRequestHdr);
+ if (!ActionFlag) {
+ AcpiConfigUnload ();
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ FreePool (ConfigRequestHdr);
+
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ UpdateAcpiOnReadyToBoot,
+ NULL,
+ &gEfiEventReadyToBootGuid,
+ &ReadyToBootEvent
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Fail to create ready to boot event %r!\n", Status));
+ return Status;
+ }
+
+ Status = AcpiNVDataUpdate (mPrivateData);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/VfrStrings.uni
b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/VfrStrings.uni
new file mode 100644
index 000000000000..21a6188518fd
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/AcpiConfigDxe/VfrStrings.uni
@@ -0,0 +1,27 @@
+//
+// Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+
+#langdef en-US "English"
+
+#string STR_ACPI_FORM #language en-US "ACPI
Configuration"
+#string STR_ACPI_FORM_HELP #language en-US "ACPI
Configuration"
+
+#string STR_ACPI_FORM_SEPERATE_LINE #language en-US ""
+#string STR_ACPI_COMMON_ENABLE #language en-US "Enabled"
+#string STR_ACPI_COMMON_DISABLE #language en-US "Disabled"
+#string STR_ACPI_UNSUPPORTED #language en-US
"Unsupported"
+
+#string STR_ACPI_APEI_SUPPORT_PROMPT #language en-US "APEI
Support"
+#string STR_ACPI_APEI_SUPPORT_HELP #language en-US
"Enable/Disable ACPI Platform Error Interface support"
+
+#string STR_ACPI_CPPC_PROMPT #language en-US "CPPC
Support"
+#string STR_ACPI_CPPC_HELP #language en-US "Enables
or Disables System ability to CPPC (Collaborative Processor Performance
Control)"
+
+#string STR_ACPI_LPI_PROMPT #language en-US "LPI
Support"
+#string STR_ACPI_LPI_HELP #language en-US "Enables
or Disables System ability to LPI (Lower Power Idle)"
+
+#string STR_ACPI_TURBO_PROMPT #language en-US "Max
Performance"
+#string STR_ACPI_TURBO_HELP #language en-US "Enables
or Disables System ability to Max Performance"
--
2.17.1
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