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authorrsun3 <rsun3@6f19259b-4bc3-4df7-8a09-765794883524>2010-12-14 09:52:38 +0000
committerrsun3 <rsun3@6f19259b-4bc3-4df7-8a09-765794883524>2010-12-14 09:52:38 +0000
commit7afa5ea8003e5d3b47a4b42cd2ef353f62126afa (patch)
treea428d3614074b9731087aab1a4cc9ea56b5e3335 /MdeModulePkg
parent3a0e054598963d0dedcda04612fe759513e8f75c (diff)
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Add special treatment for EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE and EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM, because these attributes are only for PCI IO, while not supported by PCI Root Bridge IO.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11165 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
-rw-r--r--MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c3
-rw-r--r--MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c7
2 files changed, 10 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
index 2a399c2..c8689c0 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
@@ -1063,6 +1063,9 @@ DetermineDeviceAttribute (
if (EFI_ERROR (Status)) {
return Status;
}
+ PciIoDevice->Supports |= (EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |
+ EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);
+
} else {
//
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
index 86c9135..c39de9d 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
@@ -1269,6 +1269,13 @@ ModifyRootBridgeAttributes (
}
//
+ // Mask off EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE &
+ // EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM, which are not supported by PCI root bridge.
+ //
+ Attributes &= ~(UINT64)(EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |
+ EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);
+
+ //
// Record the new attribute of the Root Bridge
//
if (Operation == EfiPciIoAttributeOperationEnable) {