from misoclib.com.liteeth.common import * from misoclib.com.liteeth.core.etherbone.packet import * from misoclib.com.liteeth.core.etherbone.probe import * from misoclib.com.liteeth.core.etherbone.record import * from misoclib.com.liteeth.core.etherbone.wishbone import * class LiteEthEtherbone(Module): def __init__(self, udp, udp_port): # decode/encode etherbone packets self.submodules.packet = packet = LiteEthEtherbonePacket(udp, udp_port) # packets can be probe (etherbone discovering) or records with # writes and reads self.submodules.probe = probe = LiteEthEtherboneProbe() self.submodules.record = record = LiteEthEtherboneRecord() # arbitrate/dispatch probe/records packets dispatcher = Dispatcher(packet.source, [probe.sink, record.sink]) self.comb += dispatcher.sel.eq(~packet.source.pf) arbiter = Arbiter([probe.source, record.source], packet.sink) self.submodules += dispatcher, arbiter # create mmap ŵishbone master self.submodules.master = master = LiteEthEtherboneWishboneMaster() self.comb += [ Record.connect(record.receiver.source, master.sink), Record.connect(master.source, record.sender.sink) ]