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Merge PciInitialization() and AcpiInitialization() into a single function, PciAcpiInitialization(), and use a PCD set during PEI to detect the underlying platform type (PIIX4 or Q35/MCH) and therefore the addresses of the registers to be initialized. Add LNK[A-H] routing target initialization for the Q35 platform. Additionally, initialize PCI_INTERRUPT_LINE registers for the typical set of PCI devices included by QEMU with the Q35 machine type. The corresponding PIIX4 initialization of PCI_INTERRUPT_LINE registers is cleaned up and the list of PIIX4 PCI devices updated to the list typically included with QEMU. NOTE: The list of PCI devices for which we initialize PCI_INTERRUPT_LINE is hard-coded, and, depending on how QEMU devices are configured on the command line, may miss some devices, or (harmlessly) attempt to initialize devices which are not present in the system. A subsequent patch will replace this hard-coded list with a mechanism to correctly initialize PCI_INTERRUPT_LINE for applicable present PCI devices only. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gabriel Somlo <somlo@cmu.edu> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16379 6f19259b-4bc3-4df7-8a09-765794883524