Achronix Speedster22i PCIe - Manual (Page 50)

UG030, April 26, 2013 50
Field Name Default Values Description Verilog Parameter
execute during the boot process.
Use of the Expansion ROM Base
Address is rare. If implemented a
valid Expansion ROM structure
must be implemented at this BAR
location or the system may fail to
boot. If unused, this field must be
0x00000000. See PCI Local Bus
Specification Revision 2.3, Sections
6.2.5.2 and 6.3 for additional
detail. Expansion ROM Cfg is the
same in both Endpoint and Root
Port modes of operation.
Power Management
NFTS 0x00 0x00-0xFF NFTS - Number of NFTS sets to
request when exiting L0s. This is
the NFTS value transmitted in
TS1 and TS2 Ordered Sets during
training. When the remote
device’s transmitter exits L0s, the CFG_CONSTANTS_NFT
S