greenpak4: added model for GP_EDGEDET block

[yosys.git] / techlibs / greenpak4 / cells_sim.v

diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v
index 6ae9ae7969b82b4e20e8b049487a42ef154d1dfc..8a1794fc16df1fcb455315a1274e1704750ac3b7 100644 (file)
--- a/techlibs/greenpak4/cells_sim.v
+++ b/techlibs/greenpak4/cells_sim.v
@@ -241,6 +241,16 @@ module GP_DFFSRI(input D, CLK, nSR, output reg nQ);
        end
 endmodule
 
+module GP_EDGEDET(input IN, output reg OUT);
+
+       parameter EDGE_DIRECTION = "RISING";
+       parameter DELAY_STEPS = 1;
+       parameter GLITCH_FILTER = 0;
+       
+       //not implemented for simulation
+       
+endmodule
+
 module GP_IBUF(input IN, output OUT);
        assign OUT = IN;
 endmodule
@@ -409,7 +419,8 @@ endmodule
 //keep constraint needed to prevent optimization since we have no outputs
 (* keep *)
 module GP_SYSRESET(input RST);
-       parameter RESET_MODE = "RISING";
+       parameter RESET_MODE = "EDGE";
+       parameter EDGE_SPEED = 4;
        
        //cannot simulate whole system reset