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[enh] use Misc() properties in trellis' PCF #221

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[enh] use Misc() properties in trellis' PCF #221

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16 changes: 14 additions & 2 deletions migen/build/lattice/icestorm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,25 @@


def _build_pcf(named_sc, named_pc):
diamond2trellis_tr = {
"PULLUP_RESISTOR" : "-pullup_resistor",
"PULLUP" : "-pullup 1",
}
r = ""
for sig, pins, others, resname in named_sc:
misc = ""
for other in others:
if isinstance(other, Misc):
arg = other.misc
for diamond_arg in diamond2trellis_tr:
if diamond_arg in arg:
arg = arg.replace(diamond_arg, diamond2trellis_tr[diamond_arg])
misc += ' ' + arg
if len(pins) > 1:
for bit, pin in enumerate(pins):
r += "set_io {}[{}] {}\n".format(sig, bit, pin)
r += "set_io{} {}[{}] {}\n".format(misc, sig, bit, pin)
else:
r += "set_io {} {}\n".format(sig, pins[0])
r += "set_io{} {} {}\n".format(misc, sig, pins[0])
if named_pc:
r += "\n" + "\n\n".join(named_pc)
return r
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