diff options
Diffstat (limited to 'DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeDevicePath.c')
-rw-r--r-- | DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeDevicePath.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeDevicePath.c b/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeDevicePath.c new file mode 100644 index 0000000000..ab1b5d8c56 --- /dev/null +++ b/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeDevicePath.c @@ -0,0 +1,87 @@ +/*++
+
+Copyright (c) 2005 - 2006, 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:
+ PcatPciRootBridgeDevicePath.c
+
+Abstract:
+
+ EFI PCAT PCI Root Bridge Device Path Protocol
+
+Revision History
+
+--*/
+
+#include "PcatPciRootBridge.h"
+
+//
+// Static device path declarations for this driver.
+//
+
+typedef struct {
+ ACPI_HID_DEVICE_PATH AcpiDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
+} EFI_PCI_ROOT_BRIDGE_DEVICE_PATH;
+
+static EFI_PCI_ROOT_BRIDGE_DEVICE_PATH mEfiPciRootBridgeDevicePath = {
+ {
+ ACPI_DEVICE_PATH,
+ ACPI_DP,
+ (UINT8) (sizeof(ACPI_HID_DEVICE_PATH)),
+ (UINT8) ((sizeof(ACPI_HID_DEVICE_PATH)) >> 8),
+ EISA_PNP_ID(0x0A03),
+ 0
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ END_DEVICE_PATH_LENGTH,
+ 0
+ }
+};
+
+EFI_STATUS
+PcatRootBridgeDevicePathConstructor (
+ IN EFI_DEVICE_PATH_PROTOCOL **Protocol,
+ IN UINTN RootBridgeNumber,
+ IN BOOLEAN IsPciExpress
+ )
+/*++
+
+Routine Description:
+
+ Construct the device path protocol
+
+Arguments:
+
+ Protocol - protocol to initialize
+
+Returns:
+
+ None
+
+--*/
+{
+ ACPI_HID_DEVICE_PATH *AcpiDevicePath;
+
+ *Protocol = DuplicateDevicePath((EFI_DEVICE_PATH_PROTOCOL *)(&mEfiPciRootBridgeDevicePath));
+
+ AcpiDevicePath = (ACPI_HID_DEVICE_PATH *)(*Protocol);
+
+ AcpiDevicePath->UID = (UINT32)RootBridgeNumber;
+
+ if (IsPciExpress) {
+ AcpiDevicePath->HID = EISA_PNP_ID(0x0A08);
+ }
+
+ return EFI_SUCCESS;
+}
+
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