liteeth/phy/gmii : set tx_er to 0 only if it exits

2015-03-17 12:24:06 +01:00 · 2015-03-17 12:24:06 +01:00 · 2327710387
parent 408d0fd2dd
commit 2327710387
1 changed files with 2 additions and 1 deletions
--- a/misoclib/com/liteeth/phy/gmii.py
+++ b/misoclib/com/liteeth/phy/gmii.py
@ -7,8 +7,9 @@ class LiteEthPHYGMIITX(Module):
 	def __init__(self, pads):
 		self.sink = sink = Sink(eth_phy_description(8))
 		###
+		if hasattr(pads, "tx_er"):
+			self.sync += pads.tx_er.eq(0)
 		self.sync += [
-			pads.tx_er.eq(0),
 			pads.tx_en.eq(sink.stb),
 			pads.tx_data.eq(sink.data)
 		]