diff --git a/litex/soc/interconnect/axi.py b/litex/soc/interconnect/axi.py index af73a97d9..99b377db1 100644 --- a/litex/soc/interconnect/axi.py +++ b/litex/soc/interconnect/axi.py @@ -140,7 +140,29 @@ class AXIInterface: self.r = stream.Endpoint(r_description(data_width, id_width)) def connect_to_pads(self, pads, mode="master"): - return connect_to_pads(self, pads, mode) + r = connect_to_pads(self, pads, mode) + + if mode == "master": + r.append(pads.wlast.eq(self.w.last)) + r.append(self.r.last.eq(pads.rlast)) + else: + r.append(pads.rlast.eq(self.r.last)) + r.append(self.w.last.eq(pads.wlast)) + + return r + + def get_ios(self, bus_name="wb"): + subsignals = [] + for channel in ["aw", "w", "b", "ar", "r"]: + for name in ["valid", "ready"]: + subsignals.append(Subsignal(channel + name, Pins(1))) + for name, width in getattr(self, channel).description.payload_layout: + subsignals.append(Subsignal(channel + name, Pins(width))) + + subsignals.append(Subsignal("rlast", Pins(1))) + subsignals.append(Subsignal("wlast", Pins(1))) + ios = [(bus_name , 0) + tuple(subsignals)] + return ios def connect(self, slave, **kwargs): return _connect_axi(self, slave, **kwargs)