diff options
Diffstat (limited to 'EdkModulePkg/Bus/Pci/PciBus/Dxe/PciEnumerator.c')
| -rw-r--r-- | EdkModulePkg/Bus/Pci/PciBus/Dxe/PciEnumerator.c | 2168 |
1 files changed, 0 insertions, 2168 deletions
diff --git a/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciEnumerator.c b/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciEnumerator.c deleted file mode 100644 index e7a05a2ec9..0000000000 --- a/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciEnumerator.c +++ /dev/null @@ -1,2168 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 2007, 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.
-
-Module Name:
-
- PciEnumerator.c
-
-Abstract:
-
- PCI Bus Driver
-
-Revision History
-
---*/
-
-#include "pcibus.h"
-#include "PciEnumerator.h"
-#include "PciResourceSupport.h"
-#include "PciOptionRomSupport.h"
-
-EFI_STATUS
-PciEnumerator (
- IN EFI_HANDLE Controller
- )
-/*++
-
-Routine Description:
-
- This routine is used to enumerate entire pci bus system
- in a given platform
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Controller - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
-
- EFI_HANDLE HostBridgeHandle;
- EFI_STATUS Status;
- EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc;
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
-
- //
- // If PCI bus has already done the full enumeration, never do it again
- //
- if (!gFullEnumeration) {
- return PciEnumeratorLight (Controller);
- }
-
- //
- // If this host bridge has been already enumerated, then return successfully
- //
- if (RootBridgeExisted (Controller)) {
- return EFI_SUCCESS;
- }
-
- //
- // Get the rootbridge Io protocol to find the host bridge handle
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciRootBridgeIoProtocolGuid,
- (VOID **) &PciRootBridgeIo,
- gPciBusDriverBinding.DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Get the host bridge handle
- //
- HostBridgeHandle = PciRootBridgeIo->ParentHandle;
-
- //
- // Get the pci host bridge resource allocation protocol
- //
- Status = gBS->OpenProtocol (
- HostBridgeHandle,
- &gEfiPciHostBridgeResourceAllocationProtocolGuid,
- (VOID **) &PciResAlloc,
- gPciBusDriverBinding.DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Notify the pci bus enumeration is about to begin
- //
- NotifyPhase (PciResAlloc, EfiPciHostBridgeBeginEnumeration);
-
- //
- // Start the bus allocation phase
- //
- Status = PciHostBridgeEnumerator (PciResAlloc);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Submit the resource request
- //
- Status = PciHostBridgeResourceAllocator (PciResAlloc);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Process P2C
- //
- Status = PciHostBridgeP2CProcess (PciResAlloc);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Process attributes for devices on this host bridge
- //
- Status = PciHostBridgeDeviceAttribute (PciResAlloc);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gFullEnumeration = FALSE;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PciRootBridgeEnumerator (
- IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc,
- IN PCI_IO_DEVICE *RootBridgeDev
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResAlloc - add argument and description to function comment
-// TODO: RootBridgeDev - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_STATUS Status;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *pConfiguration;
- UINT8 SubBusNumber;
- UINT8 StartBusNumber;
- UINT8 PaddedBusRange;
- EFI_HANDLE RootBridgeHandle;
-
- SubBusNumber = 0;
- StartBusNumber = 0;
- PaddedBusRange = 0;
-
- //
- // Get the root bridge handle
- //
- RootBridgeHandle = RootBridgeDev->Handle;
-
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_PROGRESS_CODE,
- EFI_IO_BUS_PCI | EFI_IOB_PCI_PC_BUS_ENUM,
- RootBridgeDev->DevicePath
- );
-
- //
- // Get the Bus information
- //
- Status = PciResAlloc->StartBusEnumeration (
- PciResAlloc,
- RootBridgeHandle,
- (VOID **) &pConfiguration
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Get the bus number to start with
- //
- StartBusNumber = (UINT8) (pConfiguration->AddrRangeMin);
-
- //
- // Initialize the subordinate bus number
- //
- SubBusNumber = StartBusNumber;
-
- //
- // Assign bus number
- //
- Status = PciScanBus (
- RootBridgeDev,
- (UINT8) (pConfiguration->AddrRangeMin),
- &SubBusNumber,
- &PaddedBusRange
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
-
- //
- // Assign max bus number scanned
- //
- pConfiguration->AddrLen = SubBusNumber - StartBusNumber + 1 + PaddedBusRange;
-
- //
- // Set bus number
- //
- Status = PciResAlloc->SetBusNumbers (
- PciResAlloc,
- RootBridgeHandle,
- pConfiguration
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-ProcessOptionRom (
- IN PCI_IO_DEVICE *Bridge,
- IN UINT64 RomBase,
- IN UINT64 MaxLength
- )
-/*++
-
-Routine Description:
-
- This routine is used to process option rom on a certain root bridge
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: RomBase - add argument and description to function comment
-// TODO: MaxLength - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- LIST_ENTRY *CurrentLink;
- PCI_IO_DEVICE *Temp;
- EFI_STATUS Status;
-
- //
- // Go through bridges to reach all devices
- //
- CurrentLink = Bridge->ChildList.ForwardLink;
- while (CurrentLink && CurrentLink != &Bridge->ChildList) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
- if (!IsListEmpty (&Temp->ChildList)) {
-
- //
- // Go further to process the option rom under this bridge
- //
- Status = ProcessOptionRom (Temp, RomBase, MaxLength);
- }
-
- if (Temp->RomSize != 0 && Temp->RomSize <= MaxLength) {
-
- //
- // Load and process the option rom
- //
- Status = LoadOpRomImage (Temp, RomBase);
- if (Status == EFI_SUCCESS) {
- Status = ProcessOpRomImage (Temp);
- }
- }
-
- CurrentLink = CurrentLink->ForwardLink;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PciAssignBusNumber (
- IN PCI_IO_DEVICE *Bridge,
- IN UINT8 StartBusNumber,
- OUT UINT8 *SubBusNumber
- )
-/*++
-
-Routine Description:
-
- This routine is used to assign bus number to the given PCI bus system
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: StartBusNumber - add argument and description to function comment
-// TODO: SubBusNumber - add argument and description to function comment
-// TODO: EFI_DEVICE_ERROR - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_STATUS Status;
- PCI_TYPE00 Pci;
- UINT8 Device;
- UINT8 Func;
- UINT64 Address;
- UINTN SecondBus;
- UINT16 Register;
- UINT8 Register8;
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
-
- PciRootBridgeIo = Bridge->PciRootBridgeIo;
-
- SecondBus = 0;
- Register = 0;
-
- *SubBusNumber = StartBusNumber;
-
- //
- // First check to see whether the parent is ppb
- //
- for (Device = 0; Device <= PCI_MAX_DEVICE; Device++) {
- for (Func = 0; Func <= PCI_MAX_FUNC; Func++) {
-
- //
- // Check to see whether a pci device is present
- //
-
- Status = PciDevicePresent (
- PciRootBridgeIo,
- &Pci,
- StartBusNumber,
- Device,
- Func
- );
-
- if (!EFI_ERROR (Status) &&
- (IS_PCI_BRIDGE (&Pci) || IS_CARDBUS_BRIDGE (&Pci))) {
-
- //
- // Reserved one bus for cardbus bridge
- //
- SecondBus = ++(*SubBusNumber);
-
- Register = (UINT16) ((SecondBus << 8) | (UINT16) StartBusNumber);
-
- Address = EFI_PCI_ADDRESS (StartBusNumber, Device, Func, 0x18);
-
- Status = PciRootBridgeIoWrite (
- PciRootBridgeIo,
- &Pci,
- EfiPciWidthUint16,
- Address,
- 1,
- &Register
- );
-
- //
- // Initialize SubBusNumber to SecondBus
- //
- Address = EFI_PCI_ADDRESS (StartBusNumber, Device, Func, 0x1A);
- Status = PciRootBridgeIoWrite (
- PciRootBridgeIo,
- &Pci,
- EfiPciWidthUint8,
- Address,
- 1,
- SubBusNumber
- );
- //
- // If it is PPB, resursively search down this bridge
- //
- if (IS_PCI_BRIDGE (&Pci)) {
-
- Register8 = 0xFF;
- Status = PciRootBridgeIoWrite (
- PciRootBridgeIo,
- &Pci,
- EfiPciWidthUint8,
- Address,
- 1,
- &Register8
- );
-
- Status = PciAssignBusNumber (
- Bridge,
- (UINT8) (SecondBus),
- SubBusNumber
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
- }
-
- //
- // Set the current maximum bus number under the PPB
- //
-
- Address = EFI_PCI_ADDRESS (StartBusNumber, Device, Func, 0x1A);
-
- Status = PciRootBridgeIoWrite (
- PciRootBridgeIo,
- &Pci,
- EfiPciWidthUint8,
- Address,
- 1,
- SubBusNumber
- );
-
- }
-
- if (Func == 0 && !IS_PCI_MULTI_FUNC (&Pci)) {
-
- //
- // Skip sub functions, this is not a multi function device
- //
-
- Func = PCI_MAX_FUNC;
- }
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-DetermineRootBridgeAttributes (
- IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc,
- IN PCI_IO_DEVICE *RootBridgeDev
- )
-/*++
-
-Routine Description:
-
- This routine is used to determine the root bridge attribute by interfacing
- the host bridge resource allocation protocol.
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResAlloc - add argument and description to function comment
-// TODO: RootBridgeDev - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINT64 Attributes;
- EFI_STATUS Status;
- EFI_HANDLE RootBridgeHandle;
-
- Attributes = 0;
- RootBridgeHandle = RootBridgeDev->Handle;
-
- //
- // Get root bridge attribute by calling into pci host bridge resource allocation protocol
- //
- Status = PciResAlloc->GetAllocAttributes (
- PciResAlloc,
- RootBridgeHandle,
- &Attributes
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Here is the point where PCI bus driver calls HOST bridge allocation protocol
- // Currently we hardcoded for ea815
- //
-
- if (Attributes & EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM) {
- RootBridgeDev->Decodes |= EFI_BRIDGE_PMEM_MEM_COMBINE_SUPPORTED;
- }
-
- if (Attributes & EFI_PCI_HOST_BRIDGE_MEM64_DECODE) {
- RootBridgeDev->Decodes |= EFI_BRIDGE_PMEM64_DECODE_SUPPORTED;
- }
-
- RootBridgeDev->Decodes |= EFI_BRIDGE_MEM32_DECODE_SUPPORTED;
- RootBridgeDev->Decodes |= EFI_BRIDGE_PMEM32_DECODE_SUPPORTED;
- RootBridgeDev->Decodes |= EFI_BRIDGE_IO16_DECODE_SUPPORTED;
-
- return EFI_SUCCESS;
-}
-
-UINT64
-GetMaxOptionRomSize (
- IN PCI_IO_DEVICE *Bridge
- )
-/*++
-
-Routine Description:
-
- Get Max Option Rom size on this bridge
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-{
- LIST_ENTRY *CurrentLink;
- PCI_IO_DEVICE *Temp;
- UINT64 MaxOptionRomSize;
- UINT64 TempOptionRomSize;
-
- MaxOptionRomSize = 0;
-
- //
- // Go through bridges to reach all devices
- //
- CurrentLink = Bridge->ChildList.ForwardLink;
- while (CurrentLink && CurrentLink != &Bridge->ChildList) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
- if (!IsListEmpty (&Temp->ChildList)) {
-
- //
- // Get max option rom size under this bridge
- //
- TempOptionRomSize = GetMaxOptionRomSize (Temp);
-
- //
- // Compare with the option rom size of the bridge
- // Get the larger one
- //
- if (Temp->RomSize > TempOptionRomSize) {
- TempOptionRomSize = Temp->RomSize;
- }
-
- } else {
-
- //
- // For devices get the rom size directly
- //
- TempOptionRomSize = Temp->RomSize;
- }
-
- //
- // Get the largest rom size on this bridge
- //
- if (TempOptionRomSize > MaxOptionRomSize) {
- MaxOptionRomSize = TempOptionRomSize;
- }
-
- CurrentLink = CurrentLink->ForwardLink;
- }
-
- return MaxOptionRomSize;
-}
-
-EFI_STATUS
-PciHostBridgeDeviceAttribute (
- IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
- )
-/*++
-
-Routine Description:
-
- Process attributes of devices on this host bridge
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResAlloc - add argument and description to function comment
-// TODO: EFI_NOT_FOUND - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_HANDLE RootBridgeHandle;
- PCI_IO_DEVICE *RootBridgeDev;
- EFI_STATUS Status;
-
- RootBridgeHandle = NULL;
-
- while (PciResAlloc->GetNextRootBridge (PciResAlloc, &RootBridgeHandle) == EFI_SUCCESS) {
-
- //
- // Get RootBridg Device by handle
- //
- RootBridgeDev = GetRootBridgeByHandle (RootBridgeHandle);
-
- if (RootBridgeDev == NULL) {
- return EFI_NOT_FOUND;
- }
-
- //
- // Set the attributes for devcies behind the Root Bridge
- //
- Status = DetermineDeviceAttribute (RootBridgeDev);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetResourceAllocationStatus (
- VOID *AcpiConfig,
- OUT UINT64 *IoResStatus,
- OUT UINT64 *Mem32ResStatus,
- OUT UINT64 *PMem32ResStatus,
- OUT UINT64 *Mem64ResStatus,
- OUT UINT64 *PMem64ResStatus
- )
-/*++
-
-Routine Description:
-
- Get resource allocation status from the ACPI pointer
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: AcpiConfig - add argument and description to function comment
-// TODO: IoResStatus - add argument and description to function comment
-// TODO: Mem32ResStatus - add argument and description to function comment
-// TODO: PMem32ResStatus - add argument and description to function comment
-// TODO: Mem64ResStatus - add argument and description to function comment
-// TODO: PMem64ResStatus - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
-
- UINT8 *Temp;
- UINT64 ResStatus;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *ptr;
-
- Temp = (UINT8 *) AcpiConfig;
-
- while (*Temp == ACPI_ADDRESS_SPACE_DESCRIPTOR) {
-
- ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) Temp;
- ResStatus = ptr->AddrTranslationOffset;
-
- switch (ptr->ResType) {
- case 0:
- if (ptr->AddrSpaceGranularity == 32) {
- if (ptr->SpecificFlag == 0x06) {
- //
- // Pmem32
- //
- *PMem32ResStatus = ResStatus;
- } else {
- //
- // Mem32
- //
- *Mem32ResStatus = ResStatus;
- }
- }
-
- if (ptr->AddrSpaceGranularity == 64) {
- if (ptr->SpecificFlag == 0x06) {
- //
- // PMem64
- //
- *PMem64ResStatus = ResStatus;
- } else {
- //
- // Mem64
- //
- *Mem64ResStatus = ResStatus;
- }
- }
-
- break;
-
- case 1:
- //
- // Io
- //
- *IoResStatus = ResStatus;
- break;
-
- default:
- break;
- }
-
- Temp += sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR);
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-RejectPciDevice (
- IN PCI_IO_DEVICE *PciDevice
- )
-/*++
-
-Routine Description:
-
- Remove a PCI device from device pool and mark its bar
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciDevice - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-{
- PCI_IO_DEVICE *Bridge;
- PCI_IO_DEVICE *Temp;
- LIST_ENTRY *CurrentLink;
-
- //
- // Remove the padding resource from a bridge
- //
- if ( IS_PCI_BRIDGE(&PciDevice->Pci) && \
- PciDevice->ResourcePaddingDescriptors ) {
- gBS->FreePool (PciDevice->ResourcePaddingDescriptors);
- PciDevice->ResourcePaddingDescriptors = NULL;
- return EFI_SUCCESS;
- }
-
- //
- // Skip RB and PPB
- //
- if (IS_PCI_BRIDGE (&PciDevice->Pci) || (!PciDevice->Parent)) {
- return EFI_ABORTED;
- }
-
- if (IS_CARDBUS_BRIDGE (&PciDevice->Pci)) {
- //
- // Get the root bridge device
- //
- Bridge = PciDevice;
- while (Bridge->Parent) {
- Bridge = Bridge->Parent;
- }
-
- RemoveAllPciDeviceOnBridge (Bridge->Handle, PciDevice);
-
- //
- // Mark its bar
- //
- InitializeP2C (PciDevice);
- }
-
- //
- // Remove the device
- //
- Bridge = PciDevice->Parent;
- CurrentLink = Bridge->ChildList.ForwardLink;
- while (CurrentLink && CurrentLink != &Bridge->ChildList) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
- if (Temp == PciDevice) {
- InitializePciDevice (Temp);
- RemoveEntryList (CurrentLink);
- FreePciDevice (Temp);
- return EFI_SUCCESS;
- }
-
- CurrentLink = CurrentLink->ForwardLink;
- }
-
- return EFI_ABORTED;
-}
-
-BOOLEAN
-IsRejectiveDevice (
- IN PCI_RESOURCE_NODE *PciResNode
- )
-/*++
-
-Routine Description:
-
- Determine whethter a PCI device can be rejected
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResNode - add argument and description to function comment
-{
- PCI_IO_DEVICE *Temp;
-
- Temp = PciResNode->PciDev;
-
- //
- // Ensure the device is present
- //
- if (!Temp) {
- return FALSE;
- }
-
- //
- // PPB and RB should go ahead
- //
- if (IS_PCI_BRIDGE (&Temp->Pci) || (!Temp->Parent)) {
- return TRUE;
- }
-
- //
- // Skip device on Bus0
- //
- if ((Temp->Parent) && (Temp->BusNumber == 0)) {
- return FALSE;
- }
-
- //
- // Skip VGA
- //
- if (IS_PCI_VGA (&Temp->Pci)) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-PCI_RESOURCE_NODE *
-GetLargerConsumerDevice (
- IN PCI_RESOURCE_NODE *PciResNode1,
- IN PCI_RESOURCE_NODE *PciResNode2
- )
-/*++
-
-Routine Description:
-
- Get the larger resource consumer
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResNode1 - add argument and description to function comment
-// TODO: PciResNode2 - add argument and description to function comment
-{
- if (!PciResNode2) {
- return PciResNode1;
- }
-
- if ((IS_PCI_BRIDGE(&(PciResNode2->PciDev->Pci)) || !(PciResNode2->PciDev->Parent)) \
- && (PciResNode2->ResourceUsage != PciResUsagePadding) )
- {
- return PciResNode1;
- }
-
- if (!PciResNode1) {
- return PciResNode2;
- }
-
- if ((PciResNode1->Length) > (PciResNode2->Length)) {
- return PciResNode1;
- }
-
- return PciResNode2;
-
-}
-
-PCI_RESOURCE_NODE *
-GetMaxResourceConsumerDevice (
- IN PCI_RESOURCE_NODE *ResPool
- )
-/*++
-
-Routine Description:
-
- Get the max resource consumer in the host resource pool
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: ResPool - add argument and description to function comment
-{
- PCI_RESOURCE_NODE *Temp;
- LIST_ENTRY *CurrentLink;
- PCI_RESOURCE_NODE *PciResNode;
- PCI_RESOURCE_NODE *PPBResNode;
-
- PciResNode = NULL;
-
- CurrentLink = ResPool->ChildList.ForwardLink;
- while (CurrentLink && CurrentLink != &ResPool->ChildList) {
-
- Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);
-
- if (!IsRejectiveDevice (Temp)) {
- CurrentLink = CurrentLink->ForwardLink;
- continue;
- }
-
- if ((IS_PCI_BRIDGE (&(Temp->PciDev->Pci)) || (!Temp->PciDev->Parent)) \
- && (Temp->ResourceUsage != PciResUsagePadding))
- {
- PPBResNode = GetMaxResourceConsumerDevice (Temp);
- PciResNode = GetLargerConsumerDevice (PciResNode, PPBResNode);
- } else {
- PciResNode = GetLargerConsumerDevice (PciResNode, Temp);
- }
-
- CurrentLink = CurrentLink->ForwardLink;
- }
-
- return PciResNode;
-}
-
-EFI_STATUS
-PciHostBridgeAdjustAllocation (
- IN PCI_RESOURCE_NODE *IoPool,
- IN PCI_RESOURCE_NODE *Mem32Pool,
- IN PCI_RESOURCE_NODE *PMem32Pool,
- IN PCI_RESOURCE_NODE *Mem64Pool,
- IN PCI_RESOURCE_NODE *PMem64Pool,
- IN UINT64 IoResStatus,
- IN UINT64 Mem32ResStatus,
- IN UINT64 PMem32ResStatus,
- IN UINT64 Mem64ResStatus,
- IN UINT64 PMem64ResStatus
- )
-/*++
-
-Routine Description:
-
- Adjust host bridge allocation so as to reduce resource requirement
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: IoPool - add argument and description to function comment
-// TODO: Mem32Pool - add argument and description to function comment
-// TODO: PMem32Pool - add argument and description to function comment
-// TODO: Mem64Pool - add argument and description to function comment
-// TODO: PMem64Pool - add argument and description to function comment
-// TODO: IoResStatus - add argument and description to function comment
-// TODO: Mem32ResStatus - add argument and description to function comment
-// TODO: PMem32ResStatus - add argument and description to function comment
-// TODO: Mem64ResStatus - add argument and description to function comment
-// TODO: PMem64ResStatus - add argument and description to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-{
- BOOLEAN AllocationAjusted;
- PCI_RESOURCE_NODE *PciResNode;
- PCI_RESOURCE_NODE *ResPool[5];
- PCI_IO_DEVICE *RemovedPciDev[5];
- UINT64 ResStatus[5];
- UINTN RemovedPciDevNum;
- UINTN DevIndex;
- UINTN ResType;
- EFI_STATUS Status;
- REPORT_STATUS_CODE_LIBRARY_RESOURCE_ALLOC_FAILURE_ERROR_DATA AllocFailExtendedData;
-
- PciResNode = NULL;
- ZeroMem (RemovedPciDev, 5 * sizeof (PCI_IO_DEVICE *));
- RemovedPciDevNum = 0;
-
- ResPool[0] = IoPool;
- ResPool[1] = Mem32Pool;
- ResPool[2] = PMem32Pool;
- ResPool[3] = Mem64Pool;
- ResPool[4] = PMem64Pool;
-
- ResStatus[0] = IoResStatus;
- ResStatus[1] = Mem32ResStatus;
- ResStatus[2] = PMem32ResStatus;
- ResStatus[3] = Mem64ResStatus;
- ResStatus[4] = PMem64ResStatus;
-
- AllocationAjusted = FALSE;
-
- for (ResType = 0; ResType < 5; ResType++) {
-
- if (ResStatus[ResType] == EFI_RESOURCE_SATISFIED) {
- continue;
- }
-
- if (ResStatus[ResType] == EFI_RESOURCE_NONEXISTENT) {
- //
- // Hostbridge hasn't this resource type
- //
- return EFI_ABORTED;
- }
-
- //
- // Hostbridge hasn't enough resource
- //
- PciResNode = GetMaxResourceConsumerDevice (ResPool[ResType]);
- if (!PciResNode) {
- continue;
- }
-
- //
- // Check if the device has been removed before
- //
- for (DevIndex = 0; DevIndex < RemovedPciDevNum; DevIndex++) {
- if (PciResNode->PciDev == RemovedPciDev[DevIndex]) {
- continue;
- }
- }
-
- //
- // Remove the device if it isn't in the array
- //
- Status = RejectPciDevice (PciResNode->PciDev);
- if (Status == EFI_SUCCESS) {
-
- //
- // Raise the EFI_IOB_EC_RESOURCE_CONFLICT status code
- //
- //
- // Have no way to get ReqRes, AllocRes & Bar here
- //
- ZeroMem (&AllocFailExtendedData, sizeof (AllocFailExtendedData));
- AllocFailExtendedData.DevicePathSize = sizeof (EFI_DEVICE_PATH_PROTOCOL);
- AllocFailExtendedData.DevicePath = (UINT8 *) PciResNode->PciDev->DevicePath;
- AllocFailExtendedData.Bar = PciResNode->Bar;
-
- REPORT_STATUS_CODE_WITH_EXTENDED_DATA (
- EFI_PROGRESS_CODE,
- EFI_IO_BUS_PCI | EFI_IOB_EC_RESOURCE_CONFLICT,
- (VOID *) &AllocFailExtendedData,
- sizeof (AllocFailExtendedData)
- );
-
- //
- // Add it to the array and indicate at least a device has been rejected
- //
- RemovedPciDev[RemovedPciDevNum++] = PciResNode->PciDev;
- AllocationAjusted = TRUE;
- }
- }
- //
- // End for
- //
-
- if (AllocationAjusted) {
- return EFI_SUCCESS;
- } else {
- return EFI_ABORTED;
- }
-}
-
-EFI_STATUS
-ConstructAcpiResourceRequestor (
- IN PCI_IO_DEVICE *Bridge,
- IN PCI_RESOURCE_NODE *IoNode,
- IN PCI_RESOURCE_NODE *Mem32Node,
- IN PCI_RESOURCE_NODE *PMem32Node,
- IN PCI_RESOURCE_NODE *Mem64Node,
- IN PCI_RESOURCE_NODE *PMem64Node,
- OUT VOID **pConfig
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: IoNode - add argument and description to function comment
-// TODO: Mem32Node - add argument and description to function comment
-// TODO: PMem32Node - add argument and description to function comment
-// TODO: Mem64Node - add argument and description to function comment
-// TODO: PMem64Node - add argument and description to function comment
-// TODO: pConfig - add argument and description to function comment
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINT8 NumConfig;
- UINT8 Aperture;
- UINT8 *Configuration;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Ptr;
- EFI_ACPI_END_TAG_DESCRIPTOR *PtrEnd;
-
- NumConfig = 0;
- Aperture = 0;
-
- *pConfig = NULL;
-
- //
- // if there is io request, add to the io aperture
- //
- if (ResourceRequestExisted (IoNode)) {
- NumConfig++;
- Aperture |= 0x01;
- }
-
- //
- // if there is mem32 request, add to the mem32 aperture
- //
- if (ResourceRequestExisted (Mem32Node)) {
- NumConfig++;
- Aperture |= 0x02;
- }
-
- //
- // if there is pmem32 request, add to the pmem32 aperture
- //
- if (ResourceRequestExisted (PMem32Node)) {
- NumConfig++;
- Aperture |= 0x04;
- }
-
- //
- // if there is mem64 request, add to the mem64 aperture
- //
- if (ResourceRequestExisted (Mem64Node)) {
- NumConfig++;
- Aperture |= 0x08;
- }
-
- //
- // if there is pmem64 request, add to the pmem64 aperture
- //
- if (ResourceRequestExisted (PMem64Node)) {
- NumConfig++;
- Aperture |= 0x10;
- }
-
- if (NumConfig != 0) {
-
- //
- // If there is at least one type of resource request,
- // allocate a acpi resource node
- //
- Configuration = AllocatePool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * NumConfig + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));
- if (Configuration == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- ZeroMem (
- Configuration,
- sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * NumConfig + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR)
- );
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) Configuration;
-
- //
- // Deal with io aperture
- //
- if (Aperture & 0x01) {
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
- Ptr->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
- //
- // Io
- //
- Ptr->ResType = ACPI_ADDRESS_SPACE_TYPE_IO;
- //
- // non ISA range
- //
- Ptr->SpecificFlag = 1;
- Ptr->AddrLen = IoNode->Length;
- Ptr->AddrRangeMax = IoNode->Alignment;
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) ((UINT8 *) Ptr + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- }
- //
- // Deal with mem32 aperture
- //
- if (Aperture & 0x02) {
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
- Ptr->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
- //
- // Mem
- //
- Ptr->ResType = ACPI_ADDRESS_SPACE_TYPE_MEM;
- //
- // Nonprefechable
- //
- Ptr->SpecificFlag = 0;
- //
- // 32 bit
- //
- Ptr->AddrSpaceGranularity = 32;
- Ptr->AddrLen = Mem32Node->Length;
- Ptr->AddrRangeMax = Mem32Node->Alignment;
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) ((UINT8 *) Ptr + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- }
-
- //
- // Deal with Pmem32 aperture
- //
- if (Aperture & 0x04) {
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
- Ptr->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
- //
- // Mem
- //
- Ptr->ResType = ACPI_ADDRESS_SPACE_TYPE_MEM;
- //
- // prefechable
- //
- Ptr->SpecificFlag = 0x6;
- //
- // 32 bit
- //
- Ptr->AddrSpaceGranularity = 32;
- Ptr->AddrLen = PMem32Node->Length;
- Ptr->AddrRangeMax = PMem32Node->Alignment;
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) ((UINT8 *) Ptr + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- }
- //
- // Deal with mem64 aperture
- //
- if (Aperture & 0x08) {
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
- Ptr->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
- //
- // Mem
- //
- Ptr->ResType = ACPI_ADDRESS_SPACE_TYPE_MEM;
- //
- // nonprefechable
- //
- Ptr->SpecificFlag = 0;
- //
- // 64 bit
- //
- Ptr->AddrSpaceGranularity = 64;
- Ptr->AddrLen = Mem64Node->Length;
- Ptr->AddrRangeMax = Mem64Node->Alignment;
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) ((UINT8 *) Ptr + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- }
- //
- // Deal with Pmem64 aperture
- //
- if (Aperture & 0x10) {
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
- Ptr->Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
- //
- // Mem
- //
- Ptr->ResType = ACPI_ADDRESS_SPACE_TYPE_MEM;
- //
- // prefechable
- //
- Ptr->SpecificFlag = 0x06;
- //
- // 64 bit
- //
- Ptr->AddrSpaceGranularity = 64;
- Ptr->AddrLen = PMem64Node->Length;
- Ptr->AddrRangeMax = PMem64Node->Alignment;
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) (Configuration + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- }
-
- //
- // put the checksum
- //
- PtrEnd = (EFI_ACPI_END_TAG_DESCRIPTOR *) ((UINT8 *) Ptr);
-
- PtrEnd->Desc = ACPI_END_TAG_DESCRIPTOR;
- PtrEnd->Checksum = 0;
-
- } else {
-
- //
- // If there is no resource request
- //
- Configuration = AllocatePool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));
- if (Configuration == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- ZeroMem (Configuration, sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) (Configuration);
- Ptr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
-
- PtrEnd = (EFI_ACPI_END_TAG_DESCRIPTOR *) (Configuration + sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR));
- PtrEnd->Desc = ACPI_END_TAG_DESCRIPTOR;
- PtrEnd->Checksum = 0;
- }
-
- *pConfig = Configuration;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetResourceBase (
- IN VOID *pConfig,
- OUT UINT64 *IoBase,
- OUT UINT64 *Mem32Base,
- OUT UINT64 *PMem32Base,
- OUT UINT64 *Mem64Base,
- OUT UINT64 *PMem64Base
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: pConfig - add argument and description to function comment
-// TODO: IoBase - add argument and description to function comment
-// TODO: Mem32Base - add argument and description to function comment
-// TODO: PMem32Base - add argument and description to function comment
-// TODO: Mem64Base - add argument and description to function comment
-// TODO: PMem64Base - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINT8 *Temp;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Ptr;
- UINT64 ResStatus;
-
- *IoBase = 0xFFFFFFFFFFFFFFFFULL;
- *Mem32Base = 0xFFFFFFFFFFFFFFFFULL;
- *PMem32Base = 0xFFFFFFFFFFFFFFFFULL;
- *Mem64Base = 0xFFFFFFFFFFFFFFFFULL;
- *PMem64Base = 0xFFFFFFFFFFFFFFFFULL;
-
- Temp = (UINT8 *) pConfig;
-
- while (*Temp == ACPI_ADDRESS_SPACE_DESCRIPTOR) {
-
- Ptr = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) Temp;
- ResStatus = Ptr->AddrTranslationOffset;
-
- if (ResStatus == EFI_RESOURCE_SATISFIED) {
-
- switch (Ptr->ResType) {
-
- //
- // Memory type aperture
- //
- case 0:
-
- //
- // Check to see the granularity
- //
- if (Ptr->AddrSpaceGranularity == 32) {
- if (Ptr->SpecificFlag & 0x06) {
- *PMem32Base = Ptr->AddrRangeMin;
- } else {
- *Mem32Base = Ptr->AddrRangeMin;
- }
- }
-
- if (Ptr->AddrSpaceGranularity == 64) {
- if (Ptr->SpecificFlag & 0x06) {
- *PMem64Base = Ptr->AddrRangeMin;
- } else {
- *Mem64Base = Ptr->AddrRangeMin;
- }
- }
- break;
-
- case 1:
-
- //
- // Io type aperture
- //
- *IoBase = Ptr->AddrRangeMin;
- break;
-
- default:
- break;
-
- }
- //
- // End switch
- //
- }
- //
- // End for
- //
- Temp += sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR);
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PciBridgeEnumerator (
- IN PCI_IO_DEVICE *BridgeDev
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: BridgeDev - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINT8 SubBusNumber;
- UINT8 StartBusNumber;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_STATUS Status;
-
- SubBusNumber = 0;
- StartBusNumber = 0;
- PciIo = &(BridgeDev->PciIo);
- Status = PciIoRead (PciIo, EfiPciIoWidthUint8, 0x19, 1, &StartBusNumber);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = PciAssignBusNumber (
- BridgeDev,
- StartBusNumber,
- &SubBusNumber
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = PciPciDeviceInfoCollector (BridgeDev, StartBusNumber);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = PciBridgeResourceAllocator (BridgeDev);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = DetermineDeviceAttribute (BridgeDev);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return EFI_SUCCESS;
-
-}
-
-EFI_STATUS
-PciBridgeResourceAllocator (
- IN PCI_IO_DEVICE *Bridge
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- PCI_RESOURCE_NODE *IoBridge;
- PCI_RESOURCE_NODE *Mem32Bridge;
- PCI_RESOURCE_NODE *PMem32Bridge;
- PCI_RESOURCE_NODE *Mem64Bridge;
- PCI_RESOURCE_NODE *PMem64Bridge;
- UINT64 IoBase;
- UINT64 Mem32Base;
- UINT64 PMem32Base;
- UINT64 Mem64Base;
- UINT64 PMem64Base;
- EFI_STATUS Status;
-
- IoBridge = CreateResourceNode (
- Bridge,
- 0,
- 0xFFF,
- 0,
- PciBarTypeIo16,
- PciResUsageTypical
- );
-
- Mem32Bridge = CreateResourceNode (
- Bridge,
- 0,
- 0xFFFFF,
- 0,
- PciBarTypeMem32,
- PciResUsageTypical
- );
-
- PMem32Bridge = CreateResourceNode (
- Bridge,
- 0,
- 0xFFFFF,
- 0,
- PciBarTypePMem32,
- PciResUsageTypical
- );
-
- Mem64Bridge = CreateResourceNode (
- Bridge,
- 0,
- 0xFFFFF,
- 0,
- PciBarTypeMem64,
- PciResUsageTypical
- );
-
- PMem64Bridge = CreateResourceNode (
- Bridge,
- 0,
- 0xFFFFF,
- 0,
- PciBarTypePMem64,
- PciResUsageTypical
- );
-
- //
- // Create resourcemap by going through all the devices subject to this root bridge
- //
- Status = CreateResourceMap (
- Bridge,
- IoBridge,
- Mem32Bridge,
- PMem32Bridge,
- Mem64Bridge,
- PMem64Bridge
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = GetResourceBaseFromBridge (
- Bridge,
- &IoBase,
- &Mem32Base,
- &PMem32Base,
- &Mem64Base,
- &PMem64Base
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Program IO resources
- //
- ProgramResource (
- IoBase,
- IoBridge
- );
-
- //
- // Program Mem32 resources
- //
- ProgramResource (
- Mem32Base,
- Mem32Bridge
- );
-
- //
- // Program PMem32 resources
- //
- ProgramResource (
- PMem32Base,
- PMem32Bridge
- );
-
- //
- // Program Mem64 resources
- //
- ProgramResource (
- Mem64Base,
- Mem64Bridge
- );
-
- //
- // Program PMem64 resources
- //
- ProgramResource (
- PMem64Base,
- PMem64Bridge
- );
-
- DestroyResourceTree (IoBridge);
- DestroyResourceTree (Mem32Bridge);
- DestroyResourceTree (PMem32Bridge);
- DestroyResourceTree (PMem64Bridge);
- DestroyResourceTree (Mem64Bridge);
-
- gBS->FreePool (IoBridge);
- gBS->FreePool (Mem32Bridge);
- gBS->FreePool (PMem32Bridge);
- gBS->FreePool (PMem64Bridge);
- gBS->FreePool (Mem64Bridge);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetResourceBaseFromBridge (
- IN PCI_IO_DEVICE *Bridge,
- OUT UINT64 *IoBase,
- OUT UINT64 *Mem32Base,
- OUT UINT64 *PMem32Base,
- OUT UINT64 *Mem64Base,
- OUT UINT64 *PMem64Base
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: IoBase - add argument and description to function comment
-// TODO: Mem32Base - add argument and description to function comment
-// TODO: PMem32Base - add argument and description to function comment
-// TODO: Mem64Base - add argument and description to function comment
-// TODO: PMem64Base - add argument and description to function comment
-// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- if (!Bridge->Allocated) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- *IoBase = gAllOne;
- *Mem32Base = gAllOne;
- *PMem32Base = gAllOne;
- *Mem64Base = gAllOne;
- *PMem64Base = gAllOne;
-
- if (IS_PCI_BRIDGE (&Bridge->Pci)) {
-
- if (Bridge->PciBar[PPB_IO_RANGE].Length) {
- *IoBase = Bridge->PciBar[PPB_IO_RANGE].BaseAddress;
- }
-
- if (Bridge->PciBar[PPB_MEM32_RANGE].Length) {
- *Mem32Base = Bridge->PciBar[PPB_MEM32_RANGE].BaseAddress;
- }
-
- if (Bridge->PciBar[PPB_PMEM32_RANGE].Length) {
- *PMem32Base = Bridge->PciBar[PPB_PMEM32_RANGE].BaseAddress;
- }
-
- if (Bridge->PciBar[PPB_PMEM64_RANGE].Length) {
- *PMem64Base = Bridge->PciBar[PPB_PMEM64_RANGE].BaseAddress;
- } else {
- *PMem64Base = gAllOne;
- }
-
- }
-
- if (IS_CARDBUS_BRIDGE (&Bridge->Pci)) {
- if (Bridge->PciBar[P2C_IO_1].Length) {
- *IoBase = Bridge->PciBar[P2C_IO_1].BaseAddress;
- } else {
- if (Bridge->PciBar[P2C_IO_2].Length) {
- *IoBase = Bridge->PciBar[P2C_IO_2].BaseAddress;
- }
- }
-
- if (Bridge->PciBar[P2C_MEM_1].Length) {
- if (Bridge->PciBar[P2C_MEM_1].BarType == PciBarTypePMem32) {
- *PMem32Base = Bridge->PciBar[P2C_MEM_1].BaseAddress;
- }
-
- if (Bridge->PciBar[P2C_MEM_1].BarType == PciBarTypeMem32) {
- *Mem32Base = Bridge->PciBar[P2C_MEM_1].BaseAddress;
- }
- }
-
- if (Bridge->PciBar[P2C_MEM_2].Length) {
- if (Bridge->PciBar[P2C_MEM_2].BarType == PciBarTypePMem32) {
- *PMem32Base = Bridge->PciBar[P2C_MEM_2].BaseAddress;
- }
-
- if (Bridge->PciBar[P2C_MEM_2].BarType == PciBarTypeMem32) {
- *Mem32Base = Bridge->PciBar[P2C_MEM_2].BaseAddress;
- }
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-NotifyPhase (
- IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc,
- EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: PciResAlloc - add argument and description to function comment
-// TODO: Phase - add argument and description to function comment
-// TODO: EFI_NOT_FOUND - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_HANDLE HostBridgeHandle;
- EFI_HANDLE RootBridgeHandle;
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
- EFI_STATUS Status;
-
- HostBridgeHandle = NULL;
- RootBridgeHandle = NULL;
- if (gPciPlatformProtocol != NULL) {
- //
- // Get Host Bridge Handle.
- //
- PciResAlloc->GetNextRootBridge (PciResAlloc, &RootBridgeHandle);
-
- //
- // Get the rootbridge Io protocol to find the host bridge handle
- //
- Status = gBS->HandleProtocol (
- RootBridgeHandle,
- &gEfiPciRootBridgeIoProtocolGuid,
- (VOID **) &PciRootBridgeIo
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_NOT_FOUND;
- }
-
- HostBridgeHandle = PciRootBridgeIo->ParentHandle;
-
- //
- // Call PlatformPci::PhaseNotify() if the protocol is present.
- //
- gPciPlatformProtocol->PhaseNotify (
- gPciPlatformProtocol,
- HostBridgeHandle,
- Phase,
- ChipsetEntry
- );
- }
-
- Status = PciResAlloc->NotifyPhase (
- PciResAlloc,
- Phase
- );
-
- if (gPciPlatformProtocol != NULL) {
- //
- // Call PlatformPci::PhaseNotify() if the protocol is present.
- //
- gPciPlatformProtocol->PhaseNotify (
- gPciPlatformProtocol,
- HostBridgeHandle,
- Phase,
- ChipsetExit
- );
-
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PreprocessController (
- IN PCI_IO_DEVICE *Bridge,
- IN UINT8 Bus,
- IN UINT8 Device,
- IN UINT8 Func,
- IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Bridge - add argument and description to function comment
-// TODO: Bus - add argument and description to function comment
-// TODO: Device - add argument and description to function comment
-// TODO: Func - add argument and description to function comment
-// TODO: Phase - add argument and description to function comment
-// TODO: EFI_UNSUPPORTED - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS RootBridgePciAddress;
- EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc;
- EFI_HANDLE RootBridgeHandle;
- EFI_HANDLE HostBridgeHandle;
- EFI_STATUS Status;
-
- //
- // Get the host bridge handle
- //
- HostBridgeHandle = Bridge->PciRootBridgeIo->ParentHandle;
-
- //
- // Get the pci host bridge resource allocation protocol
- //
- Status = gBS->OpenProtocol (
- HostBridgeHandle,
- &gEfiPciHostBridgeResourceAllocationProtocolGuid,
- (VOID **) &PciResAlloc,
- NULL,
- NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- //
- // Get Root Brige Handle
- //
- while (Bridge->Parent) {
- Bridge = Bridge->Parent;
- }
-
- RootBridgeHandle = Bridge->Handle;
-
- RootBridgePciAddress.Register = 0;
- RootBridgePciAddress.Function = Func;
- RootBridgePciAddress.Device = Device;
- RootBridgePciAddress.Bus = Bus;
- RootBridgePciAddress.ExtendedRegister = 0;
-
- if (gPciPlatformProtocol != NULL) {
- //
- // Call PlatformPci::PrepController() if the protocol is present.
- //
- gPciPlatformProtocol->PlatformPrepController (
- gPciPlatformProtocol,
- HostBridgeHandle,
- RootBridgeHandle,
- RootBridgePciAddress,
- Phase,
- ChipsetEntry
- );
- }
-
- Status = PciResAlloc->PreprocessController (
- PciResAlloc,
- RootBridgeHandle,
- RootBridgePciAddress,
- Phase
- );
-
- if (gPciPlatformProtocol != NULL) {
- //
- // Call PlatformPci::PrepController() if the protocol is present.
- //
- gPciPlatformProtocol->PlatformPrepController (
- gPciPlatformProtocol,
- HostBridgeHandle,
- RootBridgeHandle,
- RootBridgePciAddress,
- Phase,
- ChipsetExit
- );
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-PciHotPlugRequestNotify (
- IN EFI_PCI_HOTPLUG_REQUEST_PROTOCOL * This,
- IN EFI_PCI_HOTPLUG_OPERATION Operation,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL,
- IN OUT UINT8 *NumberOfChildren,
- IN OUT EFI_HANDLE * ChildHandleBuffer
- )
-/*++
-
-Routine Description:
-
- Hot plug request notify.
-
-Arguments:
-
- This - A pointer to the hot plug request protocol.
- Operation - The operation.
- Controller - A pointer to the controller.
- RemainningDevicePath - A pointer to the device path.
- NumberOfChildren - A the number of child handle in the ChildHandleBuffer.
- ChildHandleBuffer - A pointer to the array contain the child handle.
-
-Returns:
-
- Status code.
-
---*/
-// TODO: RemainingDevicePath - add argument and description to function comment
-// TODO: EFI_NOT_FOUND - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- PCI_IO_DEVICE *Bridge;
- PCI_IO_DEVICE *Temp;
- EFI_PCI_IO_PROTOCOL *PciIo;
- UINTN Index;
- EFI_HANDLE RootBridgeHandle;
- EFI_STATUS Status;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- gPciBusDriverBinding.DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_NOT_FOUND;
- }
-
- Bridge = PCI_IO_DEVICE_FROM_PCI_IO_THIS (PciIo);
-
- //
- // Get root bridge handle
- //
- Temp = Bridge;
- while (Temp->Parent) {
- Temp = Temp->Parent;
- }
-
- RootBridgeHandle = Temp->Handle;
-
- if (Operation == EfiPciHotPlugRequestAdd) {
-
- if (NumberOfChildren != NULL) {
- *NumberOfChildren = 0;
- }
-
- if (IsListEmpty (&Bridge->ChildList)) {
-
- Status = PciBridgeEnumerator (Bridge);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- Status = StartPciDevicesOnBridge (
- RootBridgeHandle,
- Bridge,
- RemainingDevicePath,
- NumberOfChildren,
- ChildHandleBuffer
- );
-
- return EFI_SUCCESS;
- }
-
- if (Operation == EfiPciHotplugRequestRemove) {
-
- if (*NumberOfChildren == 0) {
- //
- // Remove all devices on the bridge
- //
- Status = RemoveAllPciDeviceOnBridge (RootBridgeHandle, Bridge);
- return Status;
-
- }
-
- for (Index = 0; Index < *NumberOfChildren; Index++) {
- //
- // De register all the pci device
- //
- Status = DeRegisterPciDevice (RootBridgeHandle, ChildHandleBuffer[Index]);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- }
- //
- // End for
- //
- return EFI_SUCCESS;
- }
-
- return EFI_SUCCESS;
-}
-
-BOOLEAN
-SearchHostBridgeHandle (
- IN EFI_HANDLE RootBridgeHandle
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: RootBridgeHandle - add argument and description to function comment
-{
- EFI_HANDLE HostBridgeHandle;
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
- UINTN Index;
- EFI_STATUS Status;
-
- //
- // Get the rootbridge Io protocol to find the host bridge handle
- //
- Status = gBS->OpenProtocol (
- RootBridgeHandle,
- &gEfiPciRootBridgeIoProtocolGuid,
- (VOID **) &PciRootBridgeIo,
- gPciBusDriverBinding.DriverBindingHandle,
- RootBridgeHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- return FALSE;
- }
-
- HostBridgeHandle = PciRootBridgeIo->ParentHandle;
- for (Index = 0; Index < gPciHostBridgeNumber; Index++) {
- if (HostBridgeHandle == gPciHostBrigeHandles[Index]) {
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-EFI_STATUS
-AddHostBridgeEnumerator (
- IN EFI_HANDLE HostBridgeHandle
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: HostBridgeHandle - add argument and description to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-// TODO: EFI_ABORTED - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINTN Index;
-
- if (!HostBridgeHandle) {
- return EFI_ABORTED;
- }
-
- for (Index = 0; Index < gPciHostBridgeNumber; Index++) {
- if (HostBridgeHandle == gPciHostBrigeHandles[Index]) {
- return EFI_ABORTED;
- }
- }
-
- if (Index < PCI_MAX_HOST_BRIDGE_NUM) {
- gPciHostBrigeHandles[Index] = HostBridgeHandle;
- gPciHostBridgeNumber++;
- }
-
- return EFI_SUCCESS;
-}
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