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PLB PCI Full Bridge (v1.00a)
24 www.xilinx.com DS508 March 21, 2006
Product Specification
EARLY ACCESS
Register and Parameter Dependencies
The addressable registers in the PLB PCI Bridge depend on the parameter settings shown in Table 6.
Table 6: Register and Parameter Dependencies
Register Name Parameter Dependence
Device Interrupt Status Register (ISR) Always present
Device Interrupt Pending Register (IPR) Always present
Device Interrupt Enable Register (IER) Always present
Device Interrupt ID (IID) Always present
Global Interrupt Enable Register (GIE) Always present
Bridge Interrupt Register Always present
Bridge Interrupt Enable Register Always present
Reset Module Always present
Configuration Address Port Present only if G61=1
Configuration Data Port Present only if G61=1
Bus Number/Subordinate Bus Number Present only if G61=1
IPIFBAR2PCIBAR_0 High-Order Bits Present only if G48=1
IPIFBAR2PCIBAR_1 High-Order Bits Present only if G1>1 and G48=1
IPIFBAR2PCIBAR_2 High-Order Bits Present only if G1>2 and G48=1
IPIFBAR2PCIBAR_3 High-Order Bits Present only if G1>3 and G48=1
IPIFBAR2PCIBAR_4 High-Order Bits Present only if G1>4 and G48=1
IPIFBAR2PCIBAR_5 High-Order Bits Present only if G1=6 and G48=1
Host Bridge Device Number Present only if G49=1
PLB PCI Bridge Interrupt Registers Descriptions
The interrupt module registers are always included in the bridge.
Interrupt Module Specifications
The interrupt registers are in the interrupt module that is instantiated in the IPIF module of the PLB PCI
Bridge. Details on the IPIF interrupt module including discussion of ISR, IPR, IER and IID are in the
PLB IPIF Interrupt Product Specification in the Processor IP Reference Guide.