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The updating (change the Interrupt Line to 0xFF for unknown setting) is only for x86 based on the PCI spec, so added the compiler option for such code. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2229 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
zliu3 2007-01-12 03:42:01 +00:00
parent 2da41b57c5
commit 6c31fdb887
1 changed files with 32 additions and 27 deletions
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59
EdkModulePkg/Bus/Pci/PciBus/Dxe/PciDeviceSupport.c
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@ -1,18 +1,18 @@
/*++
Copyright (c) 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.
Copyright (c) 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:
PciDeviceSupport.c
Abstract:
This file provides routine to support Pci device node manipulation
@ -119,7 +119,7 @@ DestroyRootBridge (
Routine Description:
Arguments:
RootBridge - A pointer to the PCI_IO_DEVICE.
@ -147,7 +147,7 @@ FreePciDevice (
Routine Description:
Destroy a pci device node.
Also all direct or indirect allocated resource for this node will be freed.
Also all direct or indirect allocated resource for this node will be freed.
Arguments:
@ -232,7 +232,7 @@ DestroyRootBridgeByHandle (
Routine Description:
Destroy all device nodes under the root bridge
specified by Controller.
specified by Controller.
The root bridge itself is also included.
Arguments:
@ -283,7 +283,7 @@ RegisterPciDevice (
Routine Description:
This function registers the PCI IO device. It creates a handle for this PCI IO device
This function registers the PCI IO device. It creates a handle for this PCI IO device
(if the handle does not exist), attaches appropriate protocols onto the handle, does
necessary initialization, and sets up parent/child relationship with its bus controller.
@ -335,12 +335,17 @@ Returns:
if (!EFI_ERROR (Status)) {
PciIoDevice->IsPciExp = TRUE;
}
//
// Force Interrupt line to "Unknown" or "No Connection"
// based on the PCI spec, the Interrupt line for x86 should be set as 0xFF for unknown.
//
PciIo = &(PciIoDevice->PciIo);
#ifndef MDE_CPU_IPF
Data8 = PCI_INT_LINE_UNKNOWN;
#else
Data8 = 0;
#endif
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint8, 0x3C, 1, &Data8);
//
@ -436,7 +441,7 @@ RemoveAllPciDeviceOnBridge (
Routine Description:
This function is used to remove the whole PCI devices from the bridge.
Arguments:
RootBridgeHandle - An efi handle.
@ -465,7 +470,7 @@ Returns:
if (Temp->Registered) {
DeRegisterPciDevice (RootBridgeHandle, Temp->Handle);
}
//
// Remove this node from the linked list
//
@ -491,7 +496,7 @@ DeRegisterPciDevice (
Routine Description:
This function is used to de-register the PCI device from the EFI,
That includes un-installing PciIo protocol from the specified PCI
That includes un-installing PciIo protocol from the specified PCI
device handle.
Arguments:
@ -603,7 +608,7 @@ Returns:
);
return Status;
}
//
// The Device Driver should disable this device after disconnect
// so the Pci Bus driver will not touch this device any more.
@ -671,7 +676,7 @@ Returns:
Node.DevPath = RemainingDevicePath;
if (Node.Pci->Device != Temp->DeviceNumber ||
if (Node.Pci->Device != Temp->DeviceNumber ||
Node.Pci->Function != Temp->FunctionNumber) {
CurrentLink = CurrentLink->ForwardLink;
continue;
@ -683,7 +688,7 @@ Returns:
if (!Temp->Allocated) {
return EFI_NOT_READY;
}
//
// Check if the current node has been registered before
// If it is not, register it
@ -703,7 +708,7 @@ Returns:
ChildHandleBuffer[*NumberOfChildren] = Temp->Handle;
(*NumberOfChildren)++;
}
//
// Get the next device path
//
@ -711,7 +716,7 @@ Returns:
if (EfiIsDevicePathEnd (CurrentDevicePath)) {
return EFI_SUCCESS;
}
//
// If it is a PPB
//
@ -814,7 +819,7 @@ StartPciDevices (
Routine Description:
Start to manage the PCI device according to RemainingDevicePath
If RemainingDevicePath == NULL, the PCI bus driver will start
If RemainingDevicePath == NULL, the PCI bus driver will start
to manage all the PCI devices it found previously
Arguments:
@ -1044,7 +1049,7 @@ PciDeviceExisted (
/*++
Routine Description:
Arguments:
Bridge - A pointer to the PCI_IO_DEVICE.
@ -1093,7 +1098,7 @@ Routine Description:
Arguments:
VgaDevice - A pointer to the PCI_IO_DEVICE.
Returns:
None
@ -1151,7 +1156,7 @@ Returns:
Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
if (IS_PCI_VGA(&Temp->Pci) &&
if (IS_PCI_VGA(&Temp->Pci) &&
(Temp->Attributes &
(EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY |
EFI_PCI_IO_ATTRIBUTE_VGA_IO |
@ -1189,7 +1194,7 @@ Arguments:
PciRootBridgeIo - A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
HpcDevicePath - A pointer to the EFI_DEVICE_PATH_PROTOCL.
PciAddress - A pointer to the pci address.
Returns:
None