File list (Check if you may need any files):
usb_veriloghdl
usb_veriloghdl\PLLJ_PLLSPE_INFO.txt
usb_veriloghdl\USB_PARAM.h
usb_veriloghdl\data_gen.v
usb_veriloghdl\data_gen.v.bak
usb_veriloghdl\db
usb_veriloghdl\db\.cmp.kpt
usb_veriloghdl\db\a_dpfifo_9n21.tdf
usb_veriloghdl\db\a_fefifo_u7e.tdf
usb_veriloghdl\db\altsyncram_o0k1.tdf
usb_veriloghdl\db\altsyncram_ui91.tdf
usb_veriloghdl\db\cntr_2ob.tdf
usb_veriloghdl\db\cntr_eo7.tdf
usb_veriloghdl\db\dpram_3711.tdf
usb_veriloghdl\db\logic_util_heursitic.dat
usb_veriloghdl\db\pll_altpll.v
usb_veriloghdl\db\prev_cmp_usb.qmsg
usb_veriloghdl\db\scfifo_2h21.tdf
usb_veriloghdl\db\usb.cbx.xml
usb_veriloghdl\db\usb.cmp.rdb
usb_veriloghdl\db\usb.cmp_merge.kpt
usb_veriloghdl\db\usb.db_info
usb_veriloghdl\db\usb.hier_info
usb_veriloghdl\db\usb.hif
usb_veriloghdl\db\usb.ipinfo
usb_veriloghdl\db\usb.lpc.html
usb_veriloghdl\db\usb.lpc.rdb
usb_veriloghdl\db\usb.lpc.txt
usb_veriloghdl\db\usb.map.ammdb
usb_veriloghdl\db\usb.map.bpm
usb_veriloghdl\db\usb.map.cdb
usb_veriloghdl\db\usb.map.hdb
usb_veriloghdl\db\usb.map.kpt
usb_veriloghdl\db\usb.map.logdb
usb_veriloghdl\db\usb.map.qmsg
usb_veriloghdl\db\usb.map.rdb
usb_veriloghdl\db\usb.map_bb.cdb
usb_veriloghdl\db\usb.map_bb.hdb
usb_veriloghdl\db\usb.map_bb.logdb
usb_veriloghdl\db\usb.npp.qmsg
usb_veriloghdl\db\usb.pplq.rdb
usb_veriloghdl\db\usb.pre_map.hdb
usb_veriloghdl\db\usb.pti_db_list.ddb
usb_veriloghdl\db\usb.root_partition.map.reg_db.cdb
usb_veriloghdl\db\usb.rtlv.hdb
usb_veriloghdl\db\usb.rtlv_sg.cdb
usb_veriloghdl\db\usb.rtlv_sg_swap.cdb
usb_veriloghdl\db\usb.sgate.nvd
usb_veriloghdl\db\usb.sgate_sm.nvd
usb_veriloghdl\db\usb.sgdiff.cdb
usb_veriloghdl\db\usb.sgdiff.hdb
usb_veriloghdl\db\usb.sld_design_entry.sci
usb_veriloghdl\db\usb.sld_design_entry_dsc.sci
usb_veriloghdl\db\usb.smart_action.txt
usb_veriloghdl\db\usb.tis_db_list.ddb
usb_veriloghdl\db\usb.tmw_info
usb_veriloghdl\fifo_128.qip
usb_veriloghdl\fifo_128.v
usb_veriloghdl\fifo_128_bb.v
usb_veriloghdl\fifo_128_inst.v
usb_veriloghdl\greybox_tmp
usb_veriloghdl\greybox_tmp\cbx_args.txt
usb_veriloghdl\huanghaian.mif
usb_veriloghdl\incremental_db
usb_veriloghdl\incremental_db\README
usb_veriloghdl\incremental_db\compiled_partitions
usb_veriloghdl\incremental_db\compiled_partitions\usb.db_info
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.cmp.dfp
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.cmp.logdb
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.cdb
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.dpi
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.hbdb.cdb
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.hbdb.hb_info
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.hbdb.hdb
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.hbdb.sig
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.hdb
usb_veriloghdl\incremental_db\compiled_partitions\usb.root_partition.map.kpt
usb_veriloghdl\output_files
usb_veriloghdl\output_files\data.v
usb_veriloghdl\output_files\data.v.bak
usb_veriloghdl\output_files\usb.asm.rpt
usb_veriloghdl\output_files\usb.cdf
usb_veriloghdl\output_files\usb.done
usb_veriloghdl\output_files\usb.eda.rpt
usb_veriloghdl\output_files\usb.fit.rpt
usb_veriloghdl\output_files\usb.fit.smsg
usb_veriloghdl\output_files\usb.fit.summary
usb_veriloghdl\output_files\usb.flow.rpt
usb_veriloghdl\output_files\usb.jdi
usb_veriloghdl\output_files\usb.map.rpt
usb_veriloghdl\output_files\usb.map.smsg
usb_veriloghdl\output_files\usb.map.summary
usb_veriloghdl\output_files\usb.pin
usb_veriloghdl\output_files\usb.sof
usb_veriloghdl\output_files\usb.sta.rpt
usb_veriloghdl\output_files\usb.sta.summary
usb_veriloghdl\pin.tcl
usb_veriloghdl\pll.ppf
usb_veriloghdl\pll.qip
usb_veriloghdl\pll.v