MdeModulePkg PciBusDxe: Allows PCI device drivers to set the EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE attribute for a PCI device.
Signed-off-by: rsun3 Reviewed-by: mdkinney git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12545 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -1130,8 +1130,12 @@ DetermineDeviceAttribute (
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Assume the PCI Root Bridge supports DAC
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//
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PciIoDevice->Supports |= (EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |
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EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);
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EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM |
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EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE);
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} else {
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