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PMC/PCI INTERFACE
PCI 6254 Configuration Registers
3-10 CC1000dm User’s Manual 10004281-02
3
9Ch GPIO[7-4] Input Register GPIO[7-4] Output Enable GPIO[7-4] Output Data
Hot Swap Switch ROR
Control
A0h GPIO[15-8] Input Register GPIO[15-8] Output Enable GPIO[15-8] Output Data Power-up Status
A4h Upstream Message 3 Upstream Message 2 Upstream Message 1 Upstream Message 0
A8h Downstream Message 3 Downstream Message 2 Downstream Message 1 Downstream Message 0
ACh MSI Control Next Item Pointer=00 MSI Cap ID=5 (rev AA=8)
B0h MSI Address
B4h MSI Upper Address
B8h
reserved MSI Data
BCh
reserved
C0h Downstream Doorbell Request Downstream Doorbell Enable
C4h Upstream Doorbell Request Upstream Doorbell Enable
C8h Upstream Interrupt Enable
Downstream Interrupt
Status
Downstream Doorbell Status
CCh
Downstream Interrupt
Enable
Upstream Interrupt Status Upstream Doorbell Status
D0h Extended Register Index NT Config Own Semaphore
reserved reserved
D4h Extended Registers Dataport
D8h Arbiter Control Diagnostic Control Chip Control
DCh Power Management Capabilities Next Item Pointer=E4 Capability ID=01
E0h Power Management Data PMSCSR Bridge Support Power Management CSR
E4h
reserved HSCSR=00 Next Item Pointer=E8 Capability ID=06
E8h VPD Register=0000 Next Item Pointer=00 Capability ID=03
ECh VPD Data Register=0000_0000
F0h
reserved