Intel C2550 FH8065401488912 Data Sheet
Product codes
FH8065401488912
Volume 2—Universal Serial Bus (USB) 2.0—C2000 Product Family
Architectural Overview
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
266
Order Number: 330061-002US
14.3.1
PCI Configuration Registers
General information about the registers is discussed here.
Memory Base Address (base address of the MMIO registers):
• A 1-KB block of non-prefetchable, 32-bit address, memory-mapped area is
requested for MMIO.
PCI Capabilities:
• PCI Power Management Capability at offset 050h.
• Debug Port Capability at offset 058h.
• Function Level Reset (FLR) Capability at offset 098h.
• Debug Port Capability at offset 058h.
• Function Level Reset (FLR) Capability at offset 098h.
EHCI Capabilities:
• Legacy Support EHCI Extended Capability at offset 068h.
The Enhanced Host Controller (EHC) is required to implement the PCI Power
Management registers as defined in the PCI Bus Power Management Interface
Specification, Revision 1.2. Refer to Appendix A of the Enhanced Host Controller
Interface Specification for Universal Serial Bus, Revision 1.0 for the EHC operational
requirements for PCI Power Management.