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author | Ruben Undheim <ruben.undheim@gmail.com> | 2016-11-03 23:18:00 +0100 |
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committer | Ruben Undheim <ruben.undheim@gmail.com> | 2016-11-03 23:18:00 +0100 |
commit | fefe0fc0430f4f173a25e674708aa0f4f0854b31 (patch) | |
tree | adb13b830212c269d58031f900d652f29013d2d7 /techlibs/gowin/cells_map.v | |
parent | 4f096fe65b77435daba019248273e547fa18d167 (diff) |
Imported yosys 0.7
Diffstat (limited to 'techlibs/gowin/cells_map.v')
-rw-r--r-- | techlibs/gowin/cells_map.v | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/techlibs/gowin/cells_map.v b/techlibs/gowin/cells_map.v new file mode 100644 index 00000000..e1f85eff --- /dev/null +++ b/techlibs/gowin/cells_map.v @@ -0,0 +1,31 @@ +module \$_DFF_N_ (input D, C, output Q); DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule +module \$_DFF_P_ (input D, C, output Q); DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule + +module \$lut (A, Y); + parameter WIDTH = 0; + parameter LUT = 0; + + input [WIDTH-1:0] A; + output Y; + + generate + if (WIDTH == 1) begin + LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y), + .I0(A[0])); + end else + if (WIDTH == 2) begin + LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y), + .I0(A[0]), .I1(A[1])); + end else + if (WIDTH == 3) begin + LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2])); + end else + if (WIDTH == 4) begin + LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3])); + end else begin + wire _TECHMAP_FAIL_ = 1; + end + endgenerate +endmodule |