Adding asic cell to buffer

-Note that asic cells should not be vectorized
-Simplifies implementation (per target)

common/hdl/oh_buffer.v

@@ -2,23 +2,28 @@
 //# Function: Buffer                                                          #
 //#############################################################################
 //# Author:   Andreas Olofsson                                                #
-//# License:  MIT (see LICENSE file in OH! repository)                        # 
+//# License:  MIT (see LICENSE file in OH! repository)                        #
 //#############################################################################
 
-module oh_buffer #(parameter N    = 1,  // number of inputs
-		   parameter SIZE = 1)  // size of buffer
-   ( input [N-1:0] in, // input
+module oh_buffer
+  #(parameter N    = 1,         // vector width
+    parameter SYN  = "TRUE",    // synthesize buffer
+    parameter TYPE = "DEFAULT") // buffer type
+   (
+     input [N-1:0]  in, // input
      output [N-1:0] out // output
-    );
-
-`ifdef CFG_ASIC
-   asic_buf #(.SIZE(SIZE)) ibuf [N-1:0] (.in(in[N-1:0]),
-					 .out(out[N-1:0]));
-`else
-   assign out[N-1:0] = in[N-1:0];
-`endif
-
+     );
+   generate
+      if(SYN == "TRUE") begin
+	 assign out[N-1:0] = in[N-1:0];
+      end
+      else begin
+	 genvar 	     i;
+	 for (i=0;i<N;i=i+1) begin
+	    asic_buffer #(.TYPE(TYPE))
+	    asic_buffer (.out (out[N-1:0]),
+			 .in  (in[N-1:0]));
+	 end
+      end
+   endgenerate
 endmodule // oh_buffer
-
-
-