CXP upconn: remove unused code

src/gateware/cxp_upconn.py

@@ -4,45 +4,7 @@ from migen.genlib.cdc import MultiReg
 
 from misoc.cores.code_8b10b import Encoder, Decoder
 from misoc.interconnect.csr import *
-
-
-class CXP_Serial(Module):
-    def __init__(self, tx_width=10):
-
-        self.o = Signal()
-        self.write = Signal()
-        self.data = Signal(tx_width)
-        self.busy = Signal()
-
-        # # #
-
-        bits = Signal(max=tx_width)
-        data = Signal(tx_width)
-
-        fsm = ClockDomainsRenamer("cd_cxp_upconn")(FSM(reset_state="IDLE"))
-
-        fsm.act("IDLE",
-            NextValue(self.o, 0),
-            If(self.write,
-                NextValue(bits, tx_width),
-                NextValue(data, self.data),
-                NextState("WRITE")
-            )
-        )
-        fsm.act("WRITE",
-            If(bits == 0,
-                NextValue(self.o, 0),
-                NextState("IDLE")
-            ),
-            NextValue(bits, bits - 1),
-            NextValue(self.o, data[0]),
-            NextValue(data, Cat(data[1:], 0)),
-        )
-
-        self.comb += self.busy.eq(~fsm.ongoing("IDLE"))
-
-
-
+from misoc.interconnect import stream
 
 class CXP_UpConn(Module, AutoCSR):
     def __init__(self, pads, tx_width=10):