1 files changed, 57 insertions, 0 deletions
diff --git a/techlibs/ice40/cells_map.v b/techlibs/ice40/cells_map.v
new file mode 100644
index 000000000..0227ffadb
--- /dev/null
+++ b/techlibs/ice40/cells_map.v
@@ -0,0 +1,57 @@
+module  \$_DFF_N_ (input D, C, output Q); SB_DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C)); endmodule
+module  \$_DFF_P_ (input D, C, output Q); SB_DFF  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C)); endmodule
+
+module  \$_DFFE_NN_ (input D, C, E, output Q); SB_DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(!E)); endmodule
+module  \$_DFFE_PN_ (input D, C, E, output Q); SB_DFFE  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(!E)); endmodule
+
+module  \$_DFFE_NP_ (input D, C, E, output Q); SB_DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E)); endmodule
+module  \$_DFFE_PP_ (input D, C, E, output Q); SB_DFFE  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E)); endmodule
+
+module  \$_DFF_NN0_ (input D, C, R, output Q); SB_DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(!R)); endmodule
+module  \$_DFF_NN1_ (input D, C, R, output Q); SB_DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(!R)); endmodule
+module  \$_DFF_PN0_ (input D, C, R, output Q); SB_DFFR  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(!R)); endmodule
+module  \$_DFF_PN1_ (input D, C, R, output Q); SB_DFFS  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(!R)); endmodule
+
+module  \$_DFF_NP0_ (input D, C, R, output Q); SB_DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(R)); endmodule
+module  \$_DFF_NP1_ (input D, C, R, output Q); SB_DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(R)); endmodule
+module  \$_DFF_PP0_ (input D, C, R, output Q); SB_DFFR  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(R)); endmodule
+module  \$_DFF_PP1_ (input D, C, R, output Q); SB_DFFS  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(R)); endmodule
+
+module  \$__DFFE_NN0 (input D, C, E, R, output Q); SB_DFFNER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(!R)); endmodule
+module  \$__DFFE_NN1 (input D, C, E, R, output Q); SB_DFFNES _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(!R)); endmodule
+module  \$__DFFE_PN0 (input D, C, E, R, output Q); SB_DFFER  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(!R)); endmodule
+module  \$__DFFE_PN1 (input D, C, E, R, output Q); SB_DFFES  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(!R)); endmodule
+
+module  \$__DFFE_NP0 (input D, C, E, R, output Q); SB_DFFNER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(R)); endmodule
+module  \$__DFFE_NP1 (input D, C, E, R, output Q); SB_DFFNES _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(R)); endmodule
+module  \$__DFFE_PP0 (input D, C, E, R, output Q); SB_DFFER  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(R)); endmodule
+module  \$__DFFE_PP1 (input D, C, E, R, output Q); SB_DFFES  _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(R)); endmodule
+
+module \$lut (A, Y);
+  parameter WIDTH = 0;
+  parameter LUT = 0;
+
+  input [WIDTH-1:0] A;
+  output Y;
+
+  generate
+    if (WIDTH == 1) begin
+      SB_LUT4 #(.LUT_INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
+        .I0(A[0]), .I1(1'b0), .I2(1'b0), .I3(1'b0));
+    end else
+    if (WIDTH == 2) begin
+      SB_LUT4 #(.LUT_INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
+        .I0(A[0]), .I1(A[1]), .I2(1'b0), .I3(1'b0));
+    end else
+    if (WIDTH == 3) begin
+      SB_LUT4 #(.LUT_INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
+        .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(1'b0));
+    end else
+    if (WIDTH == 4) begin
+      SB_LUT4 #(.LUT_INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
+        .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
+    end else begin
+      wire _TECHMAP_FAIL_ = 1;
+    end
+  endgenerate
+endmodule