cxp: add clk_reset & tx_busy csr

src/gateware/cxp.py

@@ -27,19 +27,24 @@ class UpConn_Packets(Module, AutoCSR):
         self.tag_counts = Signal(max=0xFF)
         self.use_tag = Signal()
         
+        self.clk_reset = CSRStorage(reset=1)
         self.bitrate2x_enable = CSRStorage()
         self.tx_enable = CSRStorage()
+        self.tx_busy = CSRStatus()
         self.encoded_data = CSRStatus(10)
 
         # # #
 
         self.submodules.upconn = upconn = CXP_UpConn(upconn_pads, sys_clk_freq, debug_sma, pmod_pads, cxp_phy_layout(), fifos_depth)
 
-        self.comb += [
+        self.sync += [
             upconn.bitrate2x_enable.eq(self.bitrate2x_enable.storage),
             upconn.tx_enable.eq(self.tx_enable.storage),
+            upconn.clk_reset.eq(self.clk_reset.re),
+            self.tx_busy.status.eq(upconn.tx_busy),
         ]
         self.sync += [
+
             self.encoded_data.status.eq(upconn.scheduler.encoder.output),
         ]