Added keep constraint to GP_SYSRESET cell

diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v
index e22bb80cdb265fc5e3623852871a630bfce1798e..3acea01d254a704c95e343a39790dbb0cc71d536 100644 (file)
--- a/techlibs/greenpak4/cells_sim.v
+++ b/techlibs/greenpak4/cells_sim.v
@@ -105,6 +105,8 @@ module GP_COUNT14(input CLK, input wire RST, output reg OUT);
 
 endmodule
 
+//keep constraint needed to prevent optimization since we have no outputs
+(* keep *)
 module GP_SYSRESET(input RST);
        parameter RESET_MODE = "RISING";