mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-10-10 09:48:06 +00:00
Code Activity

gowin: add mux techmap and whitebox

Browse source
This commit is contained in:
Adrian Parvin Ouano 2023-10-12 20:24:12 +08:00
parent 59fbee4009
commit aa86e6355e
2 changed files with 74 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

35
techlibs/gowin/cells_map.v
View file

@ -175,3 +175,38 @@ module \$lut (A, Y);
end
endgenerate
endmodule
module \$_MUX4_ (A, B, C, D, S, T, Y);
input A, B, C, D, S, T;
output Y;
wire AB;
wire CD;
LUT3 #(.INIT(8'b11011000)) ab(.F(AB), .I0(S), .I1(B), .I2(A));
LUT3 #(.INIT(8'b11011000)) cd(.F(CD), .I0(S), .I1(D), .I2(C));
MUX2_LUT5 y(.O(Y), .I0(AB), .I1(CD), .S0(T));
endmodule
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;
wire AB;
wire CD;
wire EF;
wire GH;
wire ABCD;
wire EFGH;
LUT3 #(.INIT(8'b11011000)) ab(.F(AB), .I0(S), .I1(B), .I2(A));
LUT3 #(.INIT(8'b11011000)) cd(.F(CD), .I0(S), .I1(D), .I2(C));
LUT3 #(.INIT(8'b11011000)) ef(.F(EF), .I0(S), .I1(F), .I2(E));
LUT3 #(.INIT(8'b11011000)) gh(.F(GH), .I0(S), .I1(H), .I2(G));
MUX2_LUT5 abcd(.O(ABCD), .I0(AB), .I1(CD), .S0(T));
MUX2_LUT5 efgh(.O(EFGH), .I0(EF), .I1(GH), .S0(T));
MUX2_LUT6 y(.O(Y), .I0(ABCD), .I1(EFGH), .S0(U));
endmodule