techlibs/quicklogic/pp3_lut_map.v

   1 module \$lut (
   2   A, Y
   3 );
   4   parameter WIDTH = 0;
   5   parameter LUT = 0;
   6
   7   input [WIDTH-1:0] A;
   8   output Y;
   9
  10   generate
  11     if (WIDTH == 1) begin
  12       LUT1 #(
  13         .EQN(""),
  14         .INIT(LUT)
  15       ) _TECHMAP_REPLACE_ (
  16         .O(Y),
  17         .I0(A[0])
  18       );
  19     end else if (WIDTH == 2) begin
  20       LUT2 #(
  21         .EQN(""),
  22         .INIT(LUT)
  23       ) _TECHMAP_REPLACE_ (
  24         .O(Y),
  25         .I0(A[0]),
  26         .I1(A[1])
  27       );
  28     end else if (WIDTH == 3) begin
  29       LUT3 #(
  30         .EQN(""),
  31         .INIT(LUT)
  32       ) _TECHMAP_REPLACE_ (
  33         .O(Y),
  34         .I0(A[0]),
  35         .I1(A[1]),
  36         .I2(A[2])
  37       );
  38     end else if (WIDTH == 4) begin
  39       LUT4 #(
  40         .EQN(""),
  41         .INIT(LUT)
  42       ) _TECHMAP_REPLACE_ (
  43         .O(Y),
  44         .I0(A[0]),
  45         .I1(A[1]),
  46         .I2(A[2]),
  47         .I3(A[3])
  48       );
  49     end else begin
  50       wire _TECHMAP_FAIL_ = 1;
  51     end
  52   endgenerate
  53 endmodule