diff options
Diffstat (limited to 'ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/PciEmulation.c')
| -rwxr-xr-x | ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/PciEmulation.c | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/PciEmulation.c b/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/PciEmulation.c new file mode 100755 index 000000000..7c2d756fe --- /dev/null +++ b/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/PciEmulation.c @@ -0,0 +1,486 @@ +/** @file
+
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+ Copyright (c) 2013 - 2014, ARM Ltd. All rights reserved.<BR>
+
+ 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.
+
+**/
+
+#include "PciEmulation.h"
+
+#define HOST_CONTROLLER_OPERATION_REG_SIZE 0x44
+
+typedef struct {
+ ACPI_HID_DEVICE_PATH AcpiDevicePath;
+ PCI_DEVICE_PATH PciDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
+} EFI_PCI_IO_DEVICE_PATH;
+
+typedef struct {
+ UINT32 Signature;
+ EFI_PCI_IO_DEVICE_PATH DevicePath;
+ EFI_PCI_IO_PROTOCOL PciIoProtocol;
+ PCI_TYPE00 *ConfigSpace;
+ PCI_ROOT_BRIDGE RootBridge;
+ UINTN Segment;
+} EFI_PCI_IO_PRIVATE_DATA;
+
+#define EFI_PCI_IO_PRIVATE_DATA_SIGNATURE SIGNATURE_32('p', 'c', 'i', 'o')
+#define EFI_PCI_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, EFI_PCI_IO_PRIVATE_DATA, PciIoProtocol, EFI_PCI_IO_PRIVATE_DATA_SIGNATURE)
+
+EFI_PCI_IO_DEVICE_PATH PciIoDevicePathTemplate =
+{
+ {
+ { ACPI_DEVICE_PATH, ACPI_DP, { sizeof (ACPI_HID_DEVICE_PATH), 0 } },
+ EISA_PNP_ID(0x0A03), // HID
+ 0 // UID
+ },
+ {
+ { HARDWARE_DEVICE_PATH, HW_PCI_DP, { sizeof (PCI_DEVICE_PATH), 0 } },
+ 0,
+ 0
+ },
+ { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0} }
+};
+
+STATIC
+VOID
+ConfigureUSBHost (
+ VOID
+ )
+{
+}
+
+
+EFI_STATUS
+PciIoPollMem (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINT64 Mask,
+ IN UINT64 Value,
+ IN UINT64 Delay,
+ OUT UINT64 *Result
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoPollIo (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINT64 Mask,
+ IN UINT64 Value,
+ IN UINT64 Delay,
+ OUT UINT64 *Result
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoMemRead (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PCI_IO_PRIVATE_DATA *Private = EFI_PCI_IO_PRIVATE_DATA_FROM_THIS (This);
+
+ return PciRootBridgeIoMemRead (&Private->RootBridge.Io,
+ (EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH) Width,
+ Private->ConfigSpace->Device.Bar[BarIndex] + Offset, //Fix me ConfigSpace
+ Count,
+ Buffer
+ );
+}
+
+EFI_STATUS
+PciIoMemWrite (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PCI_IO_PRIVATE_DATA *Private = EFI_PCI_IO_PRIVATE_DATA_FROM_THIS (This);
+
+ return PciRootBridgeIoMemWrite (&Private->RootBridge.Io,
+ (EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH) Width,
+ Private->ConfigSpace->Device.Bar[BarIndex] + Offset, //Fix me ConfigSpace
+ Count,
+ Buffer
+ );
+}
+
+EFI_STATUS
+PciIoIoRead (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoIoWrite (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 BarIndex,
+ IN UINT64 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoPciRead (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PCI_IO_PRIVATE_DATA *Private = EFI_PCI_IO_PRIVATE_DATA_FROM_THIS (This);
+ EFI_STATUS Status;
+
+ Status = PciRootBridgeIoMemRW ((EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH)Width,
+ Count,
+ TRUE,
+ (PTR)(UINTN)Buffer,
+ TRUE,
+ (PTR)(UINTN)(((UINT8 *)Private->ConfigSpace) + Offset) //Fix me ConfigSpace
+ );
+ return Status;
+}
+
+EFI_STATUS
+PciIoPciWrite (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PCI_IO_PRIVATE_DATA *Private = EFI_PCI_IO_PRIVATE_DATA_FROM_THIS (This);
+
+ return PciRootBridgeIoMemRW ((EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH) Width,
+ Count,
+ TRUE,
+ (PTR)(UINTN)(((UINT8 *)Private->ConfigSpace) + Offset), //Fix me ConfigSpace
+ TRUE,
+ (PTR)(UINTN)Buffer
+ );
+}
+
+EFI_STATUS
+PciIoCopyMem (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
+ IN UINT8 DestBarIndex,
+ IN UINT64 DestOffset,
+ IN UINT8 SrcBarIndex,
+ IN UINT64 SrcOffset,
+ IN UINTN Count
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoMap (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_OPERATION Operation,
+ IN VOID *HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
+ )
+{
+ DMA_MAP_OPERATION DmaOperation;
+
+ if (Operation == EfiPciIoOperationBusMasterRead) {
+ DmaOperation = MapOperationBusMasterRead;
+ } else if (Operation == EfiPciIoOperationBusMasterWrite) {
+ DmaOperation = MapOperationBusMasterWrite;
+ } else if (Operation == EfiPciIoOperationBusMasterCommonBuffer) {
+ DmaOperation = MapOperationBusMasterCommonBuffer;
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+ return DmaMap (DmaOperation, HostAddress, NumberOfBytes, DeviceAddress, Mapping);
+}
+
+EFI_STATUS
+PciIoUnmap (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN VOID *Mapping
+ )
+{
+ return DmaUnmap (Mapping);
+}
+
+EFI_STATUS
+PciIoAllocateBuffer (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_ALLOCATE_TYPE Type,
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ OUT VOID **HostAddress,
+ IN UINT64 Attributes
+ )
+{
+ if (Attributes & EFI_PCI_ATTRIBUTE_INVALID_FOR_ALLOCATE_BUFFER) {
+ // Check this
+ return EFI_UNSUPPORTED;
+ }
+
+ return DmaAllocateBuffer (MemoryType, Pages, HostAddress);
+}
+
+
+EFI_STATUS
+PciIoFreeBuffer (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN UINTN Pages,
+ IN VOID *HostAddress
+ )
+{
+ return DmaFreeBuffer (Pages, HostAddress);
+}
+
+
+EFI_STATUS
+PciIoFlush (
+ IN EFI_PCI_IO_PROTOCOL *This
+ )
+{
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PciIoGetLocation (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ OUT UINTN *SegmentNumber,
+ OUT UINTN *BusNumber,
+ OUT UINTN *DeviceNumber,
+ OUT UINTN *FunctionNumber
+ )
+{
+ EFI_PCI_IO_PRIVATE_DATA *Private = EFI_PCI_IO_PRIVATE_DATA_FROM_THIS (This);
+
+ if (SegmentNumber != NULL) {
+ *SegmentNumber = Private->Segment;
+ }
+
+ if (BusNumber != NULL) {
+ *BusNumber = 0xff;
+ }
+
+ if (DeviceNumber != NULL) {
+ *DeviceNumber = 0;
+ }
+
+ if (FunctionNumber != NULL) {
+ *FunctionNumber = 0;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PciIoAttributes (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION Operation,
+ IN UINT64 Attributes,
+ OUT UINT64 *Result OPTIONAL
+ )
+{
+ switch (Operation) {
+ case EfiPciIoAttributeOperationGet:
+ case EfiPciIoAttributeOperationSupported:
+ if (Result == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ // We are not a real PCI device so just say things we kind of do
+ *Result = EFI_PCI_IO_ATTRIBUTE_MEMORY | EFI_PCI_IO_ATTRIBUTE_BUS_MASTER | EFI_PCI_DEVICE_ENABLE;
+ break;
+
+ case EfiPciIoAttributeOperationSet:
+ case EfiPciIoAttributeOperationEnable:
+ case EfiPciIoAttributeOperationDisable:
+ // Since we are not a real PCI device no enable/set or disable operations exist.
+ return EFI_SUCCESS;
+
+ default:
+ ASSERT (FALSE);
+ return EFI_INVALID_PARAMETER;
+ };
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PciIoGetBarAttributes (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN UINT8 BarIndex,
+ OUT UINT64 *Supports, OPTIONAL
+ OUT VOID **Resources OPTIONAL
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+PciIoSetBarAttributes (
+ IN EFI_PCI_IO_PROTOCOL *This,
+ IN UINT64 Attributes,
+ IN UINT8 BarIndex,
+ IN OUT UINT64 *Offset,
+ IN OUT UINT64 *Length
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+EFI_PCI_IO_PROTOCOL PciIoTemplate =
+{
+ PciIoPollMem,
+ PciIoPollIo,
+ { PciIoMemRead, PciIoMemWrite },
+ { PciIoIoRead, PciIoIoWrite },
+ { PciIoPciRead, PciIoPciWrite },
+ PciIoCopyMem,
+ PciIoMap,
+ PciIoUnmap,
+ PciIoAllocateBuffer,
+ PciIoFreeBuffer,
+ PciIoFlush,
+ PciIoGetLocation,
+ PciIoAttributes,
+ PciIoGetBarAttributes,
+ PciIoSetBarAttributes,
+ 0,
+ 0
+};
+
+EFI_STATUS
+PciInstallDevice (
+ IN UINTN DeviceId,
+ IN PHYSICAL_ADDRESS MemoryStart,
+ IN UINT64 MemorySize,
+ IN UINTN ClassCode1,
+ IN UINTN ClassCode2,
+ IN UINTN ClassCode3
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_PCI_IO_PRIVATE_DATA *Private;
+
+ // Configure USB host
+ ConfigureUSBHost ();
+
+ // Create a private structure
+ Private = AllocatePool (sizeof (EFI_PCI_IO_PRIVATE_DATA));
+ if (Private == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ return Status;
+ }
+
+ Private->Signature = EFI_PCI_IO_PRIVATE_DATA_SIGNATURE; // Fill in signature
+ Private->RootBridge.Signature = PCI_ROOT_BRIDGE_SIGNATURE; // Fake Root Bridge structure needs a signature too
+ Private->RootBridge.MemoryStart = MemoryStart; // Get the USB capability register base
+ Private->Segment = 0; // Default to segment zero
+
+ // Calculate the total size of the USB controller (OHCI + EHCI).
+ Private->RootBridge.MemorySize = MemorySize; //CapabilityLength + (HOST_CONTROLLER_OPERATION_REG_SIZE + ((4 * PhysicalPorts) - 1));
+
+ // Create fake PCI config space: OHCI + EHCI
+ Private->ConfigSpace = AllocateZeroPool (sizeof (PCI_TYPE00));
+ if (Private->ConfigSpace == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ FreePool (Private);
+ return Status;
+ }
+
+ //
+ // Configure PCI config space: OHCI + EHCI
+ //
+ Private->ConfigSpace->Hdr.VendorId = 0x3530; //TODO: Define one
+ Private->ConfigSpace->Hdr.DeviceId = 0x3530; //TODO: Define one
+ Private->ConfigSpace->Hdr.ClassCode[0] = ClassCode1;
+ Private->ConfigSpace->Hdr.ClassCode[1] = ClassCode2;
+ Private->ConfigSpace->Hdr.ClassCode[2] = ClassCode3;
+ Private->ConfigSpace->Device.Bar[0] = MemoryStart;
+
+ Handle = NULL;
+
+ // Unique device path.
+ CopyMem (&Private->DevicePath, &PciIoDevicePathTemplate, sizeof (PciIoDevicePathTemplate));
+ Private->DevicePath.AcpiDevicePath.UID = 0;
+ Private->DevicePath.PciDevicePath.Device = DeviceId;
+
+ // Copy protocol structure
+ CopyMem (&Private->PciIoProtocol, &PciIoTemplate, sizeof (PciIoTemplate));
+
+ Status = gBS->InstallMultipleProtocolInterfaces (&Handle,
+ &gEfiPciIoProtocolGuid, &Private->PciIoProtocol,
+ &gEfiDevicePathProtocolGuid, &Private->DevicePath,
+ NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "PciEmulationEntryPoint InstallMultipleProtocolInterfaces () failed.\n"));
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+PciEmulationEntryPoint (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ Status = PciInstallDevice (0, FixedPcdGet32 (PcdSynopsysUsbOhciBaseAddress), SIZE_64KB, PCI_IF_OHCI, PCI_CLASS_SERIAL_USB, PCI_CLASS_SERIAL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "PciEmulation: failed to install OHCI device.\n"));
+ }
+
+ Status = PciInstallDevice (1, FixedPcdGet32 (PcdSynopsysUsbEhciBaseAddress), SIZE_64KB, PCI_IF_EHCI, PCI_CLASS_SERIAL_USB, PCI_CLASS_SERIAL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "PciEmulation: failed to install EHCI device.\n"));
+ }
+
+ return Status;
+}
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