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machxo2: Create basic techlibs and synth_machxo2 pass.

This commit is contained in:
William D. Jones 2020-11-16 15:07:32 -05:00 committed by Marcelina Kościelnicka
parent cc7d18d29a
commit 88c8f81260
4 changed files with 320 additions and 0 deletions

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module \$lut (A, Y);
parameter WIDTH = 0;
parameter LUT = 0;
input [WIDTH-1:0] A;
output Y;
localparam rep = 1<<(4-WIDTH);
wire [3:0] I;
generate
if(WIDTH == 2) begin
assign I = {1'b0, 1'b0, A[1], A[0]};
end else if(WIDTH == 3) begin
assign I = {1'b0, A[2], A[1], A[0]};
end else if(WIDTH == 4) begin
assign I = {A[3], A[2], A[1], A[0]};
end
endgenerate
LUT4 #(.INIT({rep{LUT}})) _TECHMAP_REPLACE_ (.A(I[0]), .B(I[1]), .C(I[2]), .D(I[3]), .F(Y));
endmodule
module \$_DFF_P_ (input D, C, output Q); FACADE_FF #(.CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(1'b0), .D(D), .Q(Q)); endmodule