diff options
Diffstat (limited to 'Platform/Intel/PurleyOpenBoardPkg/Acpi/BoardAcpiDxe/BoardAcpiDxeDsdt.c')
-rw-r--r-- | Platform/Intel/PurleyOpenBoardPkg/Acpi/BoardAcpiDxe/BoardAcpiDxeDsdt.c | 522 |
1 files changed, 522 insertions, 0 deletions
diff --git a/Platform/Intel/PurleyOpenBoardPkg/Acpi/BoardAcpiDxe/BoardAcpiDxeDsdt.c b/Platform/Intel/PurleyOpenBoardPkg/Acpi/BoardAcpiDxe/BoardAcpiDxeDsdt.c new file mode 100644 index 0000000000..df4c62403d --- /dev/null +++ b/Platform/Intel/PurleyOpenBoardPkg/Acpi/BoardAcpiDxe/BoardAcpiDxeDsdt.c @@ -0,0 +1,522 @@ +/** @file
+
+Copyright (c) 2018, 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.
+
+**/
+
+//
+// Statements that include other files
+//
+
+//
+// Statements that include other header files
+//
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/PcdLib.h>
+
+#include <Guid/MemoryMapData.h>
+#include <Guid/GlobalVariable.h>
+
+#include <IndustryStandard/HighPrecisionEventTimerTable.h>
+
+#include <Platform.h>
+#include <Acpi/GlobalNvsAreaDef.h>
+#include <Protocol/IioUds.h>
+#include <Protocol/CpuIo2.h>
+#include <Protocol/SerialIo.h>
+#include <Protocol/DevicePath.h>
+#include <IndustryStandard/Acpi.h>
+#include <IndustryStandard/HighPrecisionEventTimerTable.h>
+#include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
+#include <IndustryStandard/AcpiAml.h>
+
+#include <Guid/SocketMpLinkVariable.h>
+#include <Guid/SocketIioVariable.h>
+#include <Guid/SocketPowermanagementVariable.h>
+#include <Guid/SocketCommonRcVariable.h>
+
+#include "Register/PchRegsUsb.h"
+
+#include <PiDxe.h>
+#include <Uefi/UefiBaseType.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+
+#include <IndustryStandard/Acpi.h>
+
+#include <Protocol/MpService.h>
+
+#include <Protocol/AcpiSystemDescriptionTable.h>
+
+extern BOOLEAN mCpuOrderSorted;
+
+typedef struct {
+ char *Pathname; /* Full pathname (from root) to the object */
+ unsigned short ParentOpcode; /* AML opcode for the parent object */
+ unsigned long NamesegOffset; /* Offset of last nameseg in the parent namepath */
+ unsigned char Opcode; /* AML opcode for the data */
+ unsigned long Offset; /* Offset for the data */
+ unsigned long long Value; /* Original value of the data (as applicable) */
+} AML_OFFSET_TABLE_ENTRY;
+
+extern AML_OFFSET_TABLE_ENTRY *mAmlOffsetTablePointer;
+extern AML_OFFSET_TABLE_ENTRY DSDT_PLATWFP__OffsetTable[];
+
+#define AML_NAME_OP 0x08
+#define AML_NAME_PREFIX_SIZE 0x06
+#define AML_NAME_DWORD_SIZE 0x0C
+
+#define MEM_ADDR_SHFT_VAL 26 // For 64 MB granularity
+
+#pragma pack(1)
+
+typedef struct {
+ UINT8 DescriptorType;
+ UINT16 ResourceLength;
+ UINT8 ResourceType;
+ UINT8 Flags;
+ UINT8 SpecificFlags;
+ UINT64 Granularity;
+ UINT64 Minimum;
+ UINT64 Maximum;
+ UINT64 TranslationOffset;
+ UINT64 AddressLength;
+} AML_RESOURCE_ADDRESS64;
+
+
+typedef struct {
+ UINT8 DescriptorType;
+ UINT16 ResourceLength;
+ UINT8 ResourceType;
+ UINT8 Flags;
+ UINT8 SpecificFlags;
+ UINT32 Granularity;
+ UINT32 Minimum;
+ UINT32 Maximum;
+ UINT32 TranslationOffset;
+ UINT32 AddressLength;
+} AML_RESOURCE_ADDRESS32;
+
+
+typedef struct {
+ UINT8 DescriptorType;
+ UINT16 ResourceLength;
+ UINT8 ResourceType;
+ UINT8 Flags;
+ UINT8 SpecificFlags;
+ UINT16 Granularity;
+ UINT16 Minimum;
+ UINT16 Maximum;
+ UINT16 TranslationOffset;
+ UINT16 AddressLength;
+} AML_RESOURCE_ADDRESS16;
+
+#pragma pack()
+
+#define PCIE_PORT_4_DEV 0x00
+#define PCIE_PORT_5_DEV 0x00
+
+#define PORTS_PER_SOCKET 0x0F
+#define PCIE_PORT_ALL_FUNC 0x00
+
+typedef struct _PCIE_PORT_INFO {
+ UINT8 Device;
+ UINT8 Stack;
+} PCIE_PORT_INFO;
+
+#pragma optimize("",off)
+
+extern BIOS_ACPI_PARAM *mAcpiParameter;
+
+extern struct SystemMemoryMapHob *mSystemMemoryMap;
+extern EFI_IIO_UDS_PROTOCOL *mIioUds;
+
+
+extern SOCKET_MP_LINK_CONFIGURATION mSocketMpLinkConfiguration;
+extern SOCKET_IIO_CONFIGURATION mSocketIioConfiguration;
+extern SOCKET_POWERMANAGEMENT_CONFIGURATION mSocketPowermanagementConfiguration;
+
+extern UINT32 mNumOfBitShift;
+
+AML_OFFSET_TABLE_ENTRY *mAmlOffsetTablePointer = DSDT_PLATWFP__OffsetTable;
+
+/**
+
+ Update the DSDT table
+
+ @param *TableHeader - The table to be set
+
+ @retval EFI_SUCCESS - DSDT updated
+ @retval EFI_INVALID_PARAMETER - DSDT not updated
+
+**/
+EFI_STATUS
+PatchDsdtTable (
+ IN OUT EFI_ACPI_COMMON_HEADER *Table
+ )
+{
+ PCIE_PORT_INFO PCIEPortDefaults[] = {
+ // DMI/PCIE 0
+ { PCIE_PORT_0_DEV, IIO_CSTACK },
+ //IOU0
+ { PCIE_PORT_1A_DEV, IIO_PSTACK0 },
+ { PCIE_PORT_1B_DEV, IIO_PSTACK0 },
+ { PCIE_PORT_1C_DEV, IIO_PSTACK0 },
+ { PCIE_PORT_1D_DEV, IIO_PSTACK0 },
+ //IOU1
+ { PCIE_PORT_2A_DEV, IIO_PSTACK1 },
+ { PCIE_PORT_2B_DEV, IIO_PSTACK1 },
+ { PCIE_PORT_2C_DEV, IIO_PSTACK1 },
+ { PCIE_PORT_2D_DEV, IIO_PSTACK1 },
+ //IOU2
+ { PCIE_PORT_3A_DEV, IIO_PSTACK2 },
+ { PCIE_PORT_3B_DEV, IIO_PSTACK2 },
+ { PCIE_PORT_3C_DEV, IIO_PSTACK2 },
+ { PCIE_PORT_3D_DEV, IIO_PSTACK2 },
+ //MCP0 and MCP1
+ { PCIE_PORT_4_DEV, IIO_PSTACK3 },
+ { PCIE_PORT_5_DEV, IIO_PSTACK4 }
+ };
+ EFI_STATUS Status;
+ UINT8 *DsdtPointer;
+ UINT32 *Signature;
+ UINT32 Fixes, NodeIndex;
+ UINT8 Counter;
+ UINT16 i; // DSDT_PLATEXRP_OffsetTable LUT entries extends beyond 256!
+ UINT64 MemoryBaseLimit = 0;
+ UINT64 PciHGPEAddr = 0;
+ UINT64 BusDevFunc = 0;
+ UINT64 PcieHpBus = 0;
+ UINT64 PcieHpDev = 0;
+ UINT64 PcieHpFunc= 0;
+ UINT8 PortCount = 0;
+ UINT8 StackNumBus = 0;
+ UINT8 StackNumIo = 0;
+ UINT8 StackNumMem32 = 0;
+ UINT8 StackNumMem64 = 0;
+ UINT8 StackNumVgaIo0 = 1; // Start looking for Stack 1
+ UINT8 StackNumVgaIo1 = 1; // Start looking for Stack 1
+ UINT8 StackNumVgaMmioL = 0;
+ UINT8 Stack = 0;
+ UINT8 CurrSkt = 0, CurrStack = 0;
+ UINT64 IioBusIndex = 0;
+ UINT8 BusBase = 0, BusLimit = 0;
+ UINT16 IoBase = 0, IoLimit = 0;
+ UINT32 MemBase32 = 0, MemLimit32 = 0;
+ UINT64 MemBase64 = 0, MemLimit64 = 0;
+ AML_RESOURCE_ADDRESS16 *AmlResourceAddress16Pointer;
+ AML_RESOURCE_ADDRESS32 *AmlResourceAddress32Pointer;
+ AML_RESOURCE_ADDRESS64 *AmlResourceAddress64Pointer;
+ EFI_ACPI_DESCRIPTION_HEADER *TableHeader;
+
+ Status = EFI_SUCCESS;
+ TableHeader = (EFI_ACPI_DESCRIPTION_HEADER *)Table;
+
+ if (mAmlOffsetTablePointer == NULL) return EFI_INVALID_PARAMETER;
+
+ mAcpiParameter->MemoryBoardBitMask = 0;
+
+ for(Counter = 0; Counter < mSystemMemoryMap->numberEntries; Counter++) {
+ NodeIndex = mSystemMemoryMap->Element[Counter].NodeId;
+ if((mAcpiParameter->MemoryBoardBitMask) & (1 << NodeIndex)){
+ MemoryBaseLimit = mAcpiParameter->MemoryBoardRange[NodeIndex] + LShiftU64(mSystemMemoryMap->Element[Counter].ElementSize, MEM_ADDR_SHFT_VAL);
+ mAcpiParameter->MemoryBoardRange[NodeIndex] = MemoryBaseLimit;
+ } else {
+ mAcpiParameter->MemoryBoardBitMask |= 1 << NodeIndex;
+ MemoryBaseLimit = LShiftU64(mSystemMemoryMap->Element[Counter].BaseAddress, 30);
+ mAcpiParameter->MemoryBoardBase[NodeIndex] = MemoryBaseLimit;
+ MemoryBaseLimit = LShiftU64((mSystemMemoryMap->Element[Counter].BaseAddress + mSystemMemoryMap->Element[Counter].ElementSize), MEM_ADDR_SHFT_VAL);
+ mAcpiParameter->MemoryBoardRange[NodeIndex] = MemoryBaseLimit;
+ }
+ }
+
+ //
+ // Mark all spare memory controllers as 1 in MemSpareMask bitmap.
+ //
+ mAcpiParameter->MemSpareMask = ~mAcpiParameter->MemoryBoardBitMask;
+
+ mAcpiParameter->IioPresentBitMask = 0;
+ mAcpiParameter->SocketBitMask = 0;
+
+ for (Counter = 0; Counter < MAX_SOCKET; Counter++) {
+ if (!mIioUds->IioUdsPtr->PlatformData.CpuQpiInfo[Counter].Valid) continue;
+ mAcpiParameter->SocketBitMask |= 1 << Counter;
+ mAcpiParameter->IioPresentBitMask |= LShiftU64(mIioUds->IioUdsPtr->PlatformData.CpuQpiInfo[Counter].stackPresentBitmap, (Counter * 8));
+ for (Stack = 0; Stack < MAX_IIO_STACK; Stack++) {
+ mAcpiParameter->BusBase[Counter * MAX_IIO_STACK + Stack] = mIioUds->IioUdsPtr->PlatformData.IIO_resource[Counter].StackRes[Stack].BusBase;
+ }
+ }
+
+ PciHGPEAddr = mIioUds->IioUdsPtr->PlatformData.PciExpressBase + 0x188;
+ BusDevFunc = 0x00;
+ PcieHpBus = 0;
+ PcieHpDev = 0;
+ PcieHpFunc = 0;
+
+ Fixes = 0;
+ //
+ // Loop through the AML looking for values that we must fix up.
+ //
+ for (i = 0; mAmlOffsetTablePointer[i].Pathname != 0; i++) {
+ //
+ // Point to offset in DSDT for current item in AmlOffsetTable.
+ //
+ DsdtPointer = (UINT8 *) (TableHeader) + mAmlOffsetTablePointer[i].Offset;
+
+ if (mAmlOffsetTablePointer[i].Opcode == AML_DWORD_PREFIX) {
+ //
+ // If Opcode is 0x0C, then operator is Name() or OperationRegion().
+ // (TableHeader + AmlOffsetTable.Offset) is at offset for value to change.
+ //
+ // The assert below confirms that AML structure matches the offsets table.
+ // If not then patching the AML would just corrupt it and result in OS failure.
+ // If you encounter this assert something went wrong in *.offset.h files
+ // generation. Remove the files and rebuild.
+ //
+ ASSERT(DsdtPointer[-1] == mAmlOffsetTablePointer[i].Opcode);
+ //
+ // AmlOffsetTable.Value has FIX tag, so check that to decide what to modify.
+ //
+ Signature = (UINT32 *) (&mAmlOffsetTablePointer[i].Value);
+ switch (*Signature) {
+ //
+ // PSYS - "FIX0" OperationRegion() in Acpi\AcpiTables\Dsdt\CommonPlatform.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '0')):
+ DEBUG ((DEBUG_INFO, "FIX0 - 0x%x\n", mAcpiParameter));
+ * (UINT32 *) DsdtPointer = (UINT32) (UINTN) mAcpiParameter;
+ //
+ // "FIX8" OperationRegion() in Acpi\AcpiTables\Dsdt\PcieHp.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '8')):
+ Stack = PCIEPortDefaults[PortCount % PORTS_PER_SOCKET].Stack;
+ PcieHpBus = mIioUds->IioUdsPtr->PlatformData.IIO_resource[IioBusIndex].StackRes[Stack].BusBase;
+ PcieHpDev = PCIEPortDefaults[PortCount % PORTS_PER_SOCKET].Device;
+ PcieHpFunc = PCIE_PORT_ALL_FUNC;
+
+ //DEBUG((DEBUG_ERROR,"IioBus = %x, hpDev = %x, HpFunc= %x\n",IioBusIndex, PcieHpDev,PcieHpFunc));
+ PciHGPEAddr &= ~(0xFFFF000); // clear bus device func numbers
+ BusDevFunc = (PcieHpBus << 8) | (PcieHpDev << 3) | PcieHpFunc;
+ * (UINT32 *) DsdtPointer = (UINT32) (UINTN) (PciHGPEAddr + (BusDevFunc << 12));
+ //DEBUG((DEBUG_ERROR,", BusDevFunc= %x, PortCount = %x\n",BusDevFunc, PortCount));
+
+ PortCount++;
+ Fixes++;
+ break;
+
+ default:
+ break;
+ }
+ } else if (mAmlOffsetTablePointer[i].Opcode == AML_INDEX_OP) {
+ //
+ // If Opcode is 0x88, then operator is WORDBusNumber() or WORDIO().
+ // (TableHeader + AmlOffsetTable.Offset) must be cast to AML_RESOURCE_ADDRESS16 to change values.
+ //
+ AmlResourceAddress16Pointer = (AML_RESOURCE_ADDRESS16 *) (DsdtPointer);
+ //
+ // The assert below confirms that AML structure matches the offsets table.
+ // If not then patching the AML would just corrupt it and result in OS failure.
+ // If you encounter this assert something went wrong in *.offset.h files
+ // generation. Remove the files and rebuild.
+ //
+ ASSERT(AmlResourceAddress16Pointer->DescriptorType == mAmlOffsetTablePointer[i].Opcode);
+
+ //
+ // Last 4 chars of AmlOffsetTable.Pathname has FIX tag.
+ //
+ Signature = (UINT32 *) (mAmlOffsetTablePointer[i].Pathname + AsciiStrLen(mAmlOffsetTablePointer[i].Pathname) - 4);
+ switch (*Signature) {
+ //
+ // "FIX1" BUS resource for PCXX in Acpi\AcpiTables\Dsdt\SysBus.asi and PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '1')):
+ CurrSkt = StackNumBus / MAX_IIO_STACK;
+ CurrStack = StackNumBus % MAX_IIO_STACK;
+ BusBase = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].BusBase;
+ BusLimit = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].BusLimit;
+ AmlResourceAddress16Pointer->Granularity = 0;
+ if (BusLimit > BusBase) {
+ AmlResourceAddress16Pointer->Minimum = (UINT16) BusBase;
+ AmlResourceAddress16Pointer->Maximum = (UINT16) BusLimit;
+ AmlResourceAddress16Pointer->AddressLength = (UINT16) (BusLimit - BusBase + 1);
+ }
+ //DEBUG((DEBUG_ERROR,", FIX1 BusBase = 0x%x, BusLimit = 0x%x\n",BusBase, BusLimit));
+ StackNumBus++;
+ Fixes++;
+ break;
+
+ //
+ // "FIX2" IO resource for for PCXX in Acpi\AcpiTables\Dsdt\SysBus.asi and PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '2')):
+ AmlResourceAddress16Pointer->Granularity = 0;
+ CurrSkt = StackNumIo / MAX_IIO_STACK;
+ CurrStack = StackNumIo % MAX_IIO_STACK;
+ IoBase = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceIoBase;
+ IoLimit = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceIoLimit;
+ if (IoLimit > IoBase) {
+ AmlResourceAddress16Pointer->Minimum = (UINT16) IoBase;
+ AmlResourceAddress16Pointer->Maximum = (UINT16) IoLimit;
+ AmlResourceAddress16Pointer->AddressLength = (UINT16) (IoLimit - IoBase + 1);
+ }
+ //DEBUG((DEBUG_ERROR,", FIX2 IoBase = 0x%x, IoLimit = 0x%x\n",IoBase, IoLimit));
+ StackNumIo++;
+ Fixes++;
+ break;
+
+ //
+ // "FIX6" IO resource for PCXX in Acpi\AcpiTables\Dsdt\PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '6')):
+ AmlResourceAddress16Pointer->Granularity = 0;
+ CurrSkt = StackNumVgaIo0 / MAX_IIO_STACK;
+ CurrStack = StackNumVgaIo0 % MAX_IIO_STACK;
+ if ((mSocketMpLinkConfiguration.LegacyVgaSoc == CurrSkt) &&
+ (mSocketMpLinkConfiguration.LegacyVgaStack == CurrStack)){
+ AmlResourceAddress16Pointer->Minimum = (UINT16) 0x03b0;
+ AmlResourceAddress16Pointer->Maximum = (UINT16) 0x03bb;
+ AmlResourceAddress16Pointer->AddressLength = (UINT16) 0x000C;
+ }
+ StackNumVgaIo0++;
+ Fixes++;
+ break;
+
+ //
+ // "FIX7" IO resource for PCXX in Acpi\AcpiTables\Dsdt\PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '7')):
+ AmlResourceAddress16Pointer->Granularity = 0;
+ CurrSkt = StackNumVgaIo1 / MAX_IIO_STACK;
+ CurrStack = StackNumVgaIo1 % MAX_IIO_STACK;
+ if ((mSocketMpLinkConfiguration.LegacyVgaSoc == CurrSkt) &&
+ (mSocketMpLinkConfiguration.LegacyVgaStack == CurrStack)) {
+ AmlResourceAddress16Pointer->Minimum = (UINT16) 0x03c0;
+ AmlResourceAddress16Pointer->Maximum = (UINT16) 0x03df;
+ AmlResourceAddress16Pointer->AddressLength = (UINT16) 0x0020;
+ }
+ StackNumVgaIo1++;
+ Fixes++;
+ break;
+
+ default:
+ break;
+ }
+ } else if (mAmlOffsetTablePointer[i].Opcode == AML_SIZE_OF_OP) {
+ //
+ // If Opcode is 0x87, then operator is DWORDMemory().
+ // (TableHeader + AmlOffsetTable.Offset) must be cast to AML_RESOURCE_ADDRESS32 to change values.
+ //
+ AmlResourceAddress32Pointer = (AML_RESOURCE_ADDRESS32 *) (DsdtPointer);
+ //
+ // The assert below confirms that AML structure matches the offsets table.
+ // If not then patching the AML would just corrupt it and result in OS failure.
+ // If you encounter this assert something went wrong in *.offset.h files
+ // generation. Remove the files and rebuild.
+ //
+ ASSERT(AmlResourceAddress32Pointer->DescriptorType == mAmlOffsetTablePointer[i].Opcode);
+ //
+ // Last 4 chars of AmlOffsetTable.Pathname has FIX tag.
+ //
+ Signature = (UINT32 *) (mAmlOffsetTablePointer[i].Pathname + AsciiStrLen(mAmlOffsetTablePointer[i].Pathname) - 4);
+ switch (*Signature) {
+ //
+ // "FIX3" PCI32 resource for PCXX in Acpi\AcpiTables\Dsdt\SysBus.asi and PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '3')):
+ AmlResourceAddress32Pointer->Granularity = 0;
+ CurrSkt = StackNumMem32 / MAX_IIO_STACK;
+ CurrStack = StackNumMem32 % MAX_IIO_STACK;
+ MemBase32 = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceMem32Base;
+ MemLimit32 = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceMem32Limit;
+ if (MemLimit32 > MemBase32) {
+ AmlResourceAddress32Pointer->Minimum = (UINT32) MemBase32;
+ AmlResourceAddress32Pointer->Maximum = (UINT32) MemLimit32;
+ AmlResourceAddress32Pointer->AddressLength = (UINT32) (MemLimit32 - MemBase32 + 1);
+ }
+ //DEBUG((DEBUG_ERROR,", FIX3 MemBase32 = 0x%08x, MemLimit32 = 0x%08x\n",MemBase32, MemLimit32));
+ StackNumMem32++;
+ Fixes++;
+ break;
+
+ //
+ // "FIX5" IO resource for PCXX in Acpi\AcpiTables\Dsdt\PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '5')):
+ AmlResourceAddress32Pointer->Granularity = 0;
+ CurrSkt = StackNumVgaMmioL / MAX_IIO_STACK;
+ CurrStack = StackNumVgaMmioL % MAX_IIO_STACK;
+ if ((mSocketMpLinkConfiguration.LegacyVgaSoc == CurrSkt) &&
+ (mSocketMpLinkConfiguration.LegacyVgaStack == CurrStack)) {
+ AmlResourceAddress32Pointer->Minimum = 0x000a0000;
+ AmlResourceAddress32Pointer->Maximum = 0x000bffff;
+ AmlResourceAddress32Pointer->AddressLength = 0x00020000;
+ }
+ StackNumVgaMmioL++;
+ Fixes++;
+ break;
+
+ default:
+ break;
+ }
+ } else if (mAmlOffsetTablePointer[i].Opcode == AML_CREATE_DWORD_FIELD_OP) {
+ //
+ // If Opcode is 0x8A, then operator is QWORDMemory().
+ // (TableHeader + AmlOffsetTable.Offset) must be cast to AML_RESOURCE_ADDRESS64 to change values.
+ //
+ AmlResourceAddress64Pointer = (AML_RESOURCE_ADDRESS64 *) (DsdtPointer);
+ //
+ // The assert below confirms that AML structure matches the offsets table.
+ // If not then patching the AML would just corrupt it and result in OS failure.
+ // If you encounter this assert something went wrong in *.offset.h files
+ // generation. Remove the files and rebuild.
+ //
+ ASSERT(AmlResourceAddress64Pointer->DescriptorType == mAmlOffsetTablePointer[i].Opcode);
+ //
+ // Last 4 chars of AmlOffsetTable.Pathname has FIX tag.
+ //
+ Signature = (UINT32 *) (mAmlOffsetTablePointer[i].Pathname + AsciiStrLen(mAmlOffsetTablePointer[i].Pathname) - 4);
+ switch (*Signature) {
+ //
+ // "FIX4" PCI64 resource for PCXX in Acpi\AcpiTables\Dsdt\SysBus.asi and PCXX.asi
+ //
+ case (SIGNATURE_32 ('F', 'I', 'X', '4')):
+ DEBUG((DEBUG_ERROR,"Pci64BitResourceAllocation = 0x%x\n",mSocketIioConfiguration.Pci64BitResourceAllocation));
+ if (mSocketIioConfiguration.Pci64BitResourceAllocation) {
+ AmlResourceAddress64Pointer->Granularity = 0;
+ CurrSkt = StackNumMem64 / MAX_IIO_STACK;
+ CurrStack = StackNumMem64 % MAX_IIO_STACK;
+ MemBase64 = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceMem64Base;
+ MemLimit64 = mIioUds->IioUdsPtr->PlatformData.IIO_resource[CurrSkt].StackRes[CurrStack].PciResourceMem64Limit;
+ if (MemLimit64 > MemBase64) {
+ AmlResourceAddress64Pointer->Minimum = (UINT64) MemBase64;
+ AmlResourceAddress64Pointer->Maximum = (UINT64) MemLimit64;
+ AmlResourceAddress64Pointer->AddressLength = (UINT64) (MemLimit64 - MemBase64 + 1);
+ }
+ DEBUG((DEBUG_ERROR,", FIX4 MemBase64 = 0x%x, MemLimit64 = 0x%x\n",MemBase64, MemLimit64));
+ StackNumMem64++;
+ Fixes++;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ //return Status;
+ return EFI_SUCCESS;
+
+}
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