diff --git a/litex/soc/interconnect/wishbone.py b/litex/soc/interconnect/wishbone.py index a1f6d2493..128496e28 100644 --- a/litex/soc/interconnect/wishbone.py +++ b/litex/soc/interconnect/wishbone.py @@ -70,58 +70,30 @@ class Interface(Record): yield from self._do_transaction() return (yield self.dat_r) - def _signals_in_channels(self, channels): - for channel_name in channels: - s = getattr(self, channel_name) - for l in _layout: - if l[0] == channel_name: - yield channel_name, s.nbits, l[2] + def get_ios(self, bus_name="wb"): + subsignals = [] + for name, width, direction in self.layout: + subsignals.append(Subsignal(name, Pins(width))) + ios = [(bus_name , 0) + tuple(subsignals)] + return ios - def to_pads(self, bus_name='wb'): - wb_bus = {} - for name, width, direction in self._signals_in_channels(['adr', 'dat_w', 'dat_r', - 'sel', 'cyc', 'stb', 'ack', - 'we', 'cti', 'bte', 'err']): - signal_name = name - wb_bus[signal_name] = width - - signals = [] - for pad in wb_bus: - signals.append(Subsignal(pad, Pins(wb_bus[pad]))) - - pads = [ - (bus_name , 0) + tuple(signals) - ] - print(pads) - return pads - - def connect_to_pads(self, module, platform, bus_name, mode='master'): - - def _get_signals(pads, name): - signal_name = name - wb_signal = getattr(self, signal_name) - pads_signal = getattr(pads, signal_name) - return pads_signal, wb_signal - - wb_pads = self.to_pads(bus_name) - platform.add_extension(wb_pads) - pads = platform.request(bus_name) - - for name, width, direction in self._signals_in_channels(['adr', 'dat_w', 'dat_r', - 'sel', 'cyc', 'stb', 'ack', - 'we', 'cti', 'bte', 'err']): - pads_signal, wb_signal = _get_signals(pads, name) - - if mode == 'master': + def connect_to_pads(self, pads, mode="master"): + assert mode in ["slave", "master"] + r = [] + for name, width, direction in self.layout: + sig = getattr(self, name) + pad = getattr(pads, name) + if mode == "master": if direction == DIR_M_TO_S: - module.comb += pads_signal.eq(wb_signal) + r.append(pad.eq(sig)) else: - module.comb += wb_signal.eq(pads_signal) + r.append(sig.eq(pad)) else: if direction == DIR_S_TO_M: - module.comb += pads_signal.eq(wb_signal) + r.append(pad.eq(sig)) else: - module.comb += wb_signal.eq(pads_signal) + r.append(sig.eq(pad)) + return r class InterconnectPointToPoint(Module):