Merge pull request #760 from YosysHQ/gatecat/xcup-ibufds

interchange: Support for UltraScale+ differential input buffers

1 files changed, 10 insertions, 2 deletions

diff --git a/fpga_interchange/dedicated_interconnect.cc b/fpga_interchange/dedicated_interconnect.cc
index 7658d579..56b6b706 100644
--- a/fpga_interchange/dedicated_interconnect.cc
+++ b/fpga_interchange/dedicated_interconnect.cc
@@ -425,6 +425,10 @@ bool DedicatedInterconnect::isBelLocationValid(BelId bel, const CellInfo *cell)
             continue;
         }
 
+        if (ctx->io_port_types.count(net->driver.cell->type)) {
+            continue;
+        }
+
         // Only check sink BELs.
         if (net->driver.cell == cell && net->driver.port == port_name) {
             if (!is_driver_on_net_valid(bel, cell, port_name, net)) {
@@ -454,15 +458,19 @@ void DedicatedInterconnect::explain_bel_status(BelId bel, const CellInfo *cell)
         // This net doesn't have a driver, probably not valid?
         NPNR_ASSERT(net->driver.cell != nullptr);
 
+        if (ctx->io_port_types.count(net->driver.cell->type)) {
+            continue;
+        }
+
         // Only check sink BELs.
         if (net->driver.cell == cell && net->driver.port == port_name) {
             if (!is_driver_on_net_valid(bel, cell, port_name, net)) {
-                log_info("Driver %s/%s is not valid on net '%s'", cell->name.c_str(ctx), port_name.c_str(ctx),
+                log_info("Driver %s/%s is not valid on net '%s'\n", cell->name.c_str(ctx), port_name.c_str(ctx),
                          net->name.c_str(ctx));
             }
         } else {
             if (!is_sink_on_net_valid(bel, cell, port_name, net)) {
-                log_info("Sink %s/%s is not valid on net '%s'", cell->name.c_str(ctx), port_name.c_str(ctx),
+                log_info("Sink %s/%s is not valid on net '%s'\n", cell->name.c_str(ctx), port_name.c_str(ctx),
                          net->name.c_str(ctx));
             }
         }