machxo2: Create basic techlibs and synth_machxo2 pass.

1 files changed, 23 insertions, 0 deletions

diff --git a/techlibs/machxo2/cells_map.v b/techlibs/machxo2/cells_map.v
new file mode 100644
index 000000000..0f21fc32b
--- /dev/null
+++ b/techlibs/machxo2/cells_map.v
@@ -0,0 +1,23 @@
+module \$lut (A, Y);
+	parameter WIDTH = 0;
+	parameter LUT = 0;
+	input [WIDTH-1:0] A;
+	output Y;
+
+	localparam rep = 1<<(4-WIDTH);
+	wire [3:0] I;
+
+	generate
+		if(WIDTH == 2) begin
+			assign I = {1'b0, 1'b0, A[1], A[0]};
+		end else if(WIDTH == 3) begin
+			assign I = {1'b0, A[2], A[1], A[0]};
+		end else if(WIDTH == 4) begin
+			assign I = {A[3], A[2], A[1], A[0]};
+		end
+	endgenerate
+
+	LUT4 #(.INIT({rep{LUT}})) _TECHMAP_REPLACE_ (.A(I[0]), .B(I[1]), .C(I[2]), .D(I[3]), .F(Y));
+endmodule
+
+module  \$_DFF_P_ (input D, C, output Q); FACADE_FF #(.CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET")) _TECHMAP_REPLACE_ (.CLK(C), .LSR(1'b0), .D(D), .Q(Q)); endmodule