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mac/LiteEthMACCoreCrossbar: Simplify.

This commit is contained in:
Florent Kermarrec 2021-04-27 18:04:06 +02:00
parent 392414eef8
commit ca82b03e35
1 changed files with 2 additions and 4 deletions
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6
liteeth/mac/__init__.py
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@ -159,24 +159,22 @@ class LiteEthMACCoreCrossbar(Module):
self.submodules.tx_arbiter_fsm = fsm = FSM(reset_state="IDLE") self.submodules.tx_arbiter_fsm = fsm = FSM(reset_state="IDLE")
fsm.act("IDLE", fsm.act("IDLE",
If(self.tx_pipe.source.valid, If(self.tx_pipe.source.valid,
self.tx_pipe.source.connect(core.sink),
NextState("WISHBONE") NextState("WISHBONE")
).Else( ).Else(
If(self.packetizer.source.valid, If(self.packetizer.source.valid,
self.packetizer.source.connect(core.sink),
NextState("CROSSBAR") NextState("CROSSBAR")
) )
), ),
) )
fsm.act("WISHBONE", fsm.act("WISHBONE",
self.tx_pipe.source.connect(core.sink), self.tx_pipe.source.connect(core.sink),
If(self.tx_pipe.source.valid & core.sink.ready & self.tx_pipe.source.last, If(core.sink.valid & core.sink.ready & core.sink.last,
NextState("IDLE") NextState("IDLE")
), ),
) )
fsm.act("CROSSBAR", fsm.act("CROSSBAR",
self.packetizer.source.connect(core.sink), self.packetizer.source.connect(core.sink),
If(self.packetizer.source.valid & core.sink.ready & self.packetizer.source.last, If(core.sink.valid & core.sink.ready & core.sink.last,
NextState("IDLE") NextState("IDLE")
), ),
) )