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liteeth/phy/mii: assign tx_er only if exists (as it's done on GMII)

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Florent Kermarrec 2015-04-12 14:43:35 +02:00
parent 4329e3e1b9
commit 8c722db54e
1 changed files with 3 additions and 2 deletions
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5
misoclib/com/liteeth/phy/mii.py
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@ -5,12 +5,13 @@ class LiteEthPHYMIITX(Module):
def __init__(self, pads): def __init__(self, pads):
self.sink = sink = Sink(eth_phy_description(8)) self.sink = sink = Sink(eth_phy_description(8))
### ###
if hasattr(pads, "tx_er"):
self.sync += pads.tx_er.eq(0)
tx_en_r = Signal() tx_en_r = Signal()
tx_data_r = Signal(4) tx_data_r = Signal(4)
self.sync += [ self.sync += [
pads.tx_er.eq(0),
pads.tx_en.eq(tx_en_r), pads.tx_en.eq(tx_en_r),
pads.tx_data.eq(tx_data_r), pads.tx_data.eq(tx_data_r)
] ]
fsm = FSM(reset_state="IDLE") fsm = FSM(reset_state="IDLE")