diff --git a/ice40/cells.cc b/ice40/cells.cc
index e79a1fda..1c1e7a05 100644
--- a/ice40/cells.cc
+++ b/ice40/cells.cc
@@ -243,6 +243,8 @@ std::unique_ptr<CellInfo> create_ice_cell(Context *ctx, IdString type, std::stri
         add_port(ctx, new_cell.get(), "LOCK", PORT_OUT);
         add_port(ctx, new_cell.get(), "PLLOUT_A", PORT_OUT);
         add_port(ctx, new_cell.get(), "PLLOUT_B", PORT_OUT);
+        add_port(ctx, new_cell.get(), "PLLOUTGLOBALA", PORT_OUT);
+        add_port(ctx, new_cell.get(), "PLLOUTGLOBALB", PORT_OUT);
     } else {
         log_error("unable to create iCE40 cell of type %s", type.c_str(ctx));
     }
diff --git a/ice40/pack.cc b/ice40/pack.cc
index 7c853e0e..25754c83 100644
--- a/ice40/pack.cc
+++ b/ice40/pack.cc
@@ -730,6 +730,12 @@ static void pack_special(Context *ctx)
                     newname = "PLLOUT_B";
                 if (pi.name == ctx->id("PLLOUTCORE"))
                     newname = "PLLOUT_A";
+                if (pi.name == ctx->id("PLLOUTGLOBALA"))
+                    newname = "PLLOUT_A";
+                if (pi.name == ctx->id("PLLOUTGLOBALB"))
+                    newname = "PLLOUT_B";
+                if (pi.name == ctx->id("PLLOUTGLOBAL"))
+                    newname = "PLLOUT_A";
 
                 if (pi.name == ctx->id("PACKAGEPIN")) {
                     if (!is_pad) {