Use TRELLIS_IO instead of BB in ECP5 PHY

diff --git a/gram/phy/ecp5ddrphy.py b/gram/phy/ecp5ddrphy.py
index a65f05350fc60a5a06680079ebf336ef7bf86a89..ad1c5f4dcebc90044b6427e03535680340728c4a 100644 (file)
--- a/gram/phy/ecp5ddrphy.py
+++ b/gram/phy/ecp5ddrphy.py
@@ -376,11 +376,13 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
                                 dqs_pattern.postamble),
                          o_Q=dqs_oe_n
                          ),
-                Instance("BB",
-                        i_I=dqs,
-                        i_T=dqs_oe_n,
-                        o_O=dqs_i,
-                        io_B=self.pads.dqs.io[i]),
+                Instance("TRELLIS_IO",
+                    p_DIR="BIDIR",
+                    i_I=dqs,
+                    i_T=dqs_oe_n,
+                    o_O=dqs_i,
+                    io_B=self.pads.dqs.io[i]
+                    )
             ]
 
             for j in range(8*i, 8*(i+1)):
@@ -473,11 +475,13 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
                                     dqs_pattern.postamble),
                              o_Q=dq_oe_n,
                              ),
-                    Instance("BB",
+                    Instance("TRELLIS_IO",
+                        p_DIR="BIDIR",
                         i_I=dq_o,
                         i_T=dq_oe_n,
                         o_O=dq_i,
-                        io_B=self.pads.dq.io[j]),
+                        io_B=self.pads.dq.io[j]
+                        )
                 ]
 
         # Read Control Path ------------------------------------------------------------------------