From 062cc36cc27bb55c35e0bdd196e9806bc9d79a3e Mon Sep 17 00:00:00 2001 From: Jiewen Yao Date: Wed, 21 Mar 2018 10:20:46 +0800 Subject: MinPlatformPkg: Add MinDsdt module Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ankit Sinha Reviewed-by: Jiewen Yao --- .../Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.asl | 80 +++++++ .../Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.c | 238 +++++++++++++++++++++ .../Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.inf | 52 +++++ 3 files changed, 370 insertions(+) create mode 100644 Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.asl create mode 100644 Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.c create mode 100644 Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.inf diff --git a/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.asl b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.asl new file mode 100644 index 0000000000..aed770a39d --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.asl @@ -0,0 +1,80 @@ +/** @file + ACPI minimum DSDT table + +Copyright (c) 2018, Intel Corporation. All rights reserved.
+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. + +**/ + +DefinitionBlock ( + "DSDT.aml", + "DSDT", + 0x01, // DSDT revision. + // A Revision field value greater than or equal to 2 signifies that integers + // declared within the Definition Block are to be evaluated as 64-bit values + "INTEL ", // OEM ID (6 byte string) + "MIN ",// OEM table ID (8 byte string) + 0x00 // OEM version of DSDT table (4 byte Integer) +) + +// BEGIN OF ASL SCOPE +{ + Scope(\_SB) { + //--------------------------------------------------------------------------- + // Begin PCI tree object scope + //--------------------------------------------------------------------------- + Device(PCI0) { // PCI Bridge "Host Bridge" + Name(_HID, EISAID("PNP0A08")) // Indicates PCI Express/PCI-X Mode2 host hierarchy + Name(_CID, EISAID("PNP0A03")) // To support legacy OS that doesn't understand the new HID + Name(_SEG, 0) + Name(_ADR, 0x00000000) + Method(^BN00, 0){ return(0x0000) } // Returns default Bus number for Peer PCI busses. Name can be overriden with control method placed directly under Device scope + Method(_BBN, 0){ return(BN00()) } // Bus number, optional for the Root PCI Bus + Name(_UID, 0x0000) // Unique Bus ID, optional + Name(BUF0,ResourceTemplate() + { + // + // I/O Region Allocation 0 ( 0x0000 - 0x0CF7 ) + // + DWordIo(ResourceProducer,MinFixed,MaxFixed,PosDecode,EntireRange, + 0x00,0x0000,0x0CF7,0x00,0x0CF8,,,PI00) + // + // PCI Configuration Registers ( 0x0CF8 - 0x0CFF ) + // + Io(Decode16,0x0CF8,0x0CF8,1,0x08) + // + // PCI MMIO space + // + DWordMemory(ResourceProducer,PosDecode,MinFixed,MaxFixed,NonCacheable, + ReadWrite,0x00,0x00,0x00,0x00,0x00,,,PM01) + }) + Method(_CRS,0,Serialized) + { + // + // Create pointers to Memory Sizing values. + // + CreateDwordField(BUF0, ^PM01._MIN,M1MN) + CreateDwordField(BUF0, ^PM01._MAX,M1MX) + CreateDwordField(BUF0, ^PM01._LEN,M1LN) + + // + // Set Memory Size Values. TLUD represents bits 31:20 of phyical + // TOM, so shift these bits into the correct position and fix up + // the Memory Region available to PCI. + // + Subtract (FixedPcdGet32(PcdPciReservedMemLimit),FixedPcdGet32(PcdPciReservedMemBase),M1LN) + Store (FixedPcdGet32(PcdPciReservedMemBase), M1MN) + Subtract (FixedPcdGet32(PcdPciReservedMemLimit), 1, M1MX) + + Return(BUF0) + } + } + } +}// End of ASL File + diff --git a/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.c b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.c new file mode 100644 index 0000000000..ef40e97b7c --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.c @@ -0,0 +1,238 @@ +/** @file + Min DSDT Driver + +Copyright (c) 2018, Intel Corporation. All rights reserved.
+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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +// +// Function implementations +// + +/** + Locate the first instance of a protocol. If the protocol requested is an + FV protocol, then it will return the first FV that contains the ACPI table + storage file. + + @param[in] Protocol The protocol to find. + @param[in] FfsGuid The FFS that contains the ACPI table. + @param[out] Instance Return pointer to the first instance of the protocol. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The protocol could not be located. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol. +**/ +EFI_STATUS +LocateSupportProtocol ( + IN EFI_GUID *Protocol, + IN EFI_GUID *FfsGuid, + OUT VOID **Instance + ) +{ + EFI_STATUS Status; + EFI_HANDLE *HandleBuffer; + UINTN NumberOfHandles; + EFI_FV_FILETYPE FileType; + UINT32 FvStatus; + EFI_FV_FILE_ATTRIBUTES Attributes; + UINTN Size; + UINTN Index; + + // + // Locate protocol. + // + Status = gBS->LocateHandleBuffer ( + ByProtocol, + Protocol, + NULL, + &NumberOfHandles, + &HandleBuffer + ); + if (EFI_ERROR (Status)) { + // + // Defined errors at this time are not found and out of resources. + // + return Status; + } + + // + // Looking for FV with ACPI storage file + // + for (Index = 0; Index < NumberOfHandles; Index++) { + + // + // Get the protocol on this handle + // This should not fail because of LocateHandleBuffer + // + Status = gBS->HandleProtocol ( + HandleBuffer[Index], + Protocol, + Instance + ); + ASSERT_EFI_ERROR (Status); + + // + // See if it has the ACPI storage file + // + Size = 0; + FvStatus = 0; + Status = ((EFI_FIRMWARE_VOLUME2_PROTOCOL *) (*Instance))->ReadFile ( + *Instance, + FfsGuid, + NULL, + &Size, + &FileType, + &Attributes, + &FvStatus + ); + + // + // If we found it, then we are done + // + if (Status == EFI_SUCCESS) { + break; + } + } + + // + // Our exit status is determined by the success of the previous operations + // If the protocol was found, Instance already points to it. + // + // + // Free any allocated buffers + // + FreePool (HandleBuffer); + + return Status; +} + +/** + Publish ACPI table from FV. + + @param[in] FfsGuid The FFS that contains the ACPI table. + + @retval EFI_SUCCESS The function completed successfully. +**/ +EFI_STATUS +PublishAcpiTablesFromFv ( + IN EFI_GUID *FfsGuid + ) +{ + EFI_STATUS Status; + EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol; + EFI_ACPI_COMMON_HEADER *CurrentTable; + UINT32 FvStatus; + UINTN Size; + UINTN TableHandle; + INTN Instance; + EFI_ACPI_TABLE_PROTOCOL *AcpiTable; + + Instance = 0; + TableHandle = 0; + CurrentTable = NULL; + FwVol = NULL; + + Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&AcpiTable); + ASSERT_EFI_ERROR (Status); + + // + // Locate the firmware volume protocol + // + Status = LocateSupportProtocol ( + &gEfiFirmwareVolume2ProtocolGuid, + FfsGuid, + (VOID **) &FwVol + ); + ASSERT_EFI_ERROR (Status); + + // + // Read tables from the storage file. + // + + while (Status == EFI_SUCCESS) { + Status = FwVol->ReadSection ( + FwVol, + FfsGuid, + EFI_SECTION_RAW, + Instance, + (VOID **) &CurrentTable, + &Size, + &FvStatus + ); + + if (!EFI_ERROR (Status)) { + + // + // Add the table + // + TableHandle = 0; + Status = AcpiTable->InstallAcpiTable ( + AcpiTable, + CurrentTable, + CurrentTable->Length, + &TableHandle + ); + ASSERT_EFI_ERROR (Status); + + // + // Increment the instance + // + Instance++; + CurrentTable = NULL; + } + } + + // + // Finished + // + return EFI_SUCCESS; +} + +/** + ACPI Platform driver installation function. + + @param[in] ImageHandle Handle for this drivers loaded image protocol. + @param[in] SystemTable EFI system table. + + @retval EFI_SUCCESS The driver installed without error. + @retval EFI_ABORTED The driver encountered an error and could not complete installation of + the ACPI tables. + +**/ +EFI_STATUS +EFIAPI +InstallMinDsdt ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + Status = PublishAcpiTablesFromFv (&gEfiCallerIdGuid); + ASSERT_EFI_ERROR (Status); + + return EFI_SUCCESS; +} diff --git a/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.inf b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.inf new file mode 100644 index 0000000000..3ffa79c966 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Acpi/MinDsdt/MinDsdt.inf @@ -0,0 +1,52 @@ +### @file +# Component information file for Minimal DSDT module +# +# Copyright (c) 2018, Intel Corporation. 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. +# +### + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = MinDsdt + FILE_GUID = 8EB04370-482C-4505-AA27-7EB226A5729F + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = InstallMinDsdt + +[Sources.common] + MinDsdt.c + MinDsdt.asl + +[Packages] + MdePkg/MdePkg.dec + MinPlatformPkg/MinPlatformPkg.dec + +[LibraryClasses] + UefiDriverEntryPoint + BaseLib + DebugLib + PcdLib + UefiBootServicesTableLib + UefiRuntimeServicesTableLib + BaseMemoryLib + +[Protocols] + gEfiAcpiTableProtocolGuid ## CONSUMES + gEfiFirmwareVolume2ProtocolGuid ## CONSUMES + +[Pcd] + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemBase + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemLimit + +[Depex] + gEfiAcpiTableProtocolGuid AND + gEfiFirmwareVolume2ProtocolGuid + -- cgit v1.2.3