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gowin: add mux techmap and whitebox

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Adrian Parvin Ouano 2023-10-12 20:24:12 +08:00
parent 59fbee4009
commit aa86e6355e
2 changed files with 74 additions and 0 deletions
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39
techlibs/gowin/cells_sim.v
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@ -110,6 +110,45 @@ module MUX2 (O, I0, I1, S0);
assign O = S0 ? I1 : I0;
endmodule
(* abc9_box, lib_whitebox *)
module \$_MUX4_ (A, B, C, D, S, T, Y);
input A, B, C, D, S, T;
output Y;
specify
(A => Y) = (808, 1116);
(B => Y) = (995, 1371);
(C => Y) = (808, 1116);
(D => Y) = (995, 1371);
(S => Y) = (1184, 1638);
(T => Y) = (486, 680);
endspecify
assign Y = T ? (S ? D : C) :
(S ? B : A);
endmodule
(* abc9_box, lib_whitebox *)
module \$_MUX8_ (A, B, C, D, E, F, G, H, S, T, U, Y);
input A, B, C, D, E, F, G, H, S, T, U;
output Y;
specify
(A => Y) = (808 + 136, 1116 + 255);
(B => Y) = (995 + 136, 1371 + 255);
(C => Y) = (808 + 136, 1116 + 255);
(D => Y) = (995 + 136, 1371 + 255);
(E => Y) = (808 + 136, 1116 + 255);
(F => Y) = (995 + 136, 1371 + 255);
(G => Y) = (808 + 136, 1116 + 255);
(H => Y) = (995 + 136, 1371 + 255);
(S => Y) = (1184 + 136, 1638 + 255);
(T => Y) = (486 + 136, 680 + 255);
(U => Y) = (478, 723);
endspecify
assign Y = U ? T ? (S ? H : G) :
(S ? F : E) :
T ? (S ? D : C) :
(S ? B : A);
endmodule
module MUX2_LUT5 (O, I0, I1, S0);
input I0,I1;
input S0;