Merge pull request #98 from siliconcompiler/ddr

Removing DIFF parameter in la_odiff/la_idiff

Author: aolofsson

lambdalib/auxlib/rtl/la_idiff.v

@@ -6,19 +6,15 @@
 
 module la_idiff
   #(
-    parameter PROP = "DEFAULT",
-    parameter DIFF = 0         // differential buffer if value > 0
+    parameter PROP = "DEFAULT"
     )
    (
     input  in, // positive input
     input  inb, // negative input
     output z // output
     );
 
-   if(DIFF)
-     assign z = (in & ~inb)  | // for proper diff inputs
-                (~in & ~inb);  // fail on non diff input
-   else
-     assign z = in;
+   assign z = (in & ~inb)  | // for proper diff inputs
+              (~in & ~inb);  // fail on non diff input
 
 endmodule

lambdalib/auxlib/rtl/la_odiff.v

@@ -6,23 +6,15 @@
 
 module la_odiff
   #(
-    parameter PROP = "DEFAULT",
-    parameter DIFF = 0         // differential buffer if value > 0
+    parameter PROP = "DEFAULT"
     )
    (
     input  in, // input
     output z, // non inverting output
     output zb // inverted output
     );
 
-   if(DIFF)
-     begin
-        assign z = in;
-        assign zb = ~in;
-     end
-   else
-     begin
-        assign z = in;
-        assign zb = 1'b0;
-     end
+   assign z = in;
+   assign zb = ~in;
+
 endmodule