diff options
Diffstat (limited to 'techlibs/xilinx')
| -rw-r--r-- | techlibs/xilinx/cells.v | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/techlibs/xilinx/cells.v b/techlibs/xilinx/cells.v index 5bf8ccd8..d19be0db 100644 --- a/techlibs/xilinx/cells.v +++ b/techlibs/xilinx/cells.v @@ -10,41 +10,41 @@ module \$_DFF_P_ (D, C, Q); endmodule -module \$lut (I, O); +module \$lut (A, Y); parameter WIDTH = 0; parameter LUT = 0; - input [WIDTH-1:0] I; - output O; + input [WIDTH-1:0] A; + output Y; generate if (WIDTH == 1) begin:lut1 - LUT1 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0])); + LUT1 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0])); end else if (WIDTH == 2) begin:lut2 - LUT2 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0]), .I1(I[1])); + LUT2 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0]), .I1(A[1])); end else if (WIDTH == 3) begin:lut3 - LUT3 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0]), .I1(I[1]), .I2(I[2])); + LUT3 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2])); end else if (WIDTH == 4) begin:lut4 - LUT4 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0]), .I1(I[1]), .I2(I[2]), - .I3(I[3])); + LUT4 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3])); end else if (WIDTH == 5) begin:lut5 - LUT5 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0]), .I1(I[1]), .I2(I[2]), - .I3(I[3]), .I4(I[4])); + LUT5 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4])); end else if (WIDTH == 6) begin:lut6 - LUT6 #(.INIT(LUT)) fpga_lut (.O(O), - .I0(I[0]), .I1(I[1]), .I2(I[2]), - .I3(I[3]), .I4(I[4]), .I5(I[5])); + LUT6 #(.INIT(LUT)) fpga_lut (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); end else begin:error wire _TECHMAP_FAIL_ = 1; end |