1 files changed, 32 insertions, 0 deletions
diff --git a/techlibs/ice40/cells_map.v b/techlibs/ice40/cells_map.v
new file mode 100644
index 000000000..f7008a571
--- /dev/null
+++ b/techlibs/ice40/cells_map.v
@@ -0,0 +1,32 @@
+module  \$_DFF_P_ (input D, C, output Q);
+  SB_DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C));
+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