1 files changed, 60 insertions, 0 deletions
diff --git a/icefuzz/tests/test_pio.sh b/icefuzz/tests/test_pio.sh
new file mode 100644
index 0000000..4987259
--- /dev/null
+++ b/icefuzz/tests/test_pio.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+set -e
+lattice_simlib="/opt/lscc/iCEcube2.2014.12/verilog/sb_ice_syn.v"
+
+mkdir -p test_pio.work
+cd test_pio.work
+
+for NEGTRIG in 0 1; do
+for INTYPE in 00 01 10 11; do
+for OUTTYPE in 0000 0110 1010 1110 0101 1001 1101 \
+               0100 1000 1100 0111 1011 1111; do
+	pf="test_pio_${OUTTYPE}${INTYPE}${NEGTRIG}"
+	echo "Testing ${pf}..."
+	if ! test -f ${pf}.bin; then
+		cat > ${pf}.v <<- EOT
+			module top (
+			    inout pin,
+			    input latch_in,
+			    input clk_en,
+			    input clk_in,
+			    input clk_out,
+			    input oen,
+			    input dout_0,
+			    input dout_1,
+			    output din_0,
+			    output din_1,
+			    output global
+			);
+			    SB_GB_IO #(
+				.PIN_TYPE(6'b${OUTTYPE}${INTYPE}),
+				.PULLUP(1'b0),
+				.NEG_TRIGGER(1'b${NEGTRIG}),
+				.IO_STANDARD("SB_LVCMOS")
+			    ) pin_gb_io (
+				.PACKAGE_PIN(pin),
+				.GLOBAL_BUFFER_OUTPUT(global),
+				.LATCH_INPUT_VALUE(latch_in),
+				.CLOCK_ENABLE(clk_en),
+				.INPUT_CLK(clk_in),
+				.OUTPUT_CLK(clk_out),
+				.OUTPUT_ENABLE(oen),
+				.D_OUT_0(dout_0),
+				.D_OUT_1(dout_1),
+				.D_IN_0(din_0),
+				.D_IN_1(din_1)
+			    );
+			endmodule
+		EOT
+		bash ../../icecube.sh ${pf}.v > ${pf}.log 2>&1
+	fi
+	python ../../../icebox/icebox_vlog.py -P ${pf}.psb ${pf}.txt > ${pf}_out.v
+	iverilog -D"VCDFILE=\"${pf}_tb.vcd\"" -DINTYPE=${INTYPE} -o ${pf}_tb \
+			-s testbench ../test_pio_tb.v ${pf}.v ${pf}_out.v $lattice_simlib 2> /dev/null
+	./${pf}_tb > ${pf}_tb.txt
+	if grep ERROR ${pf}_tb.txt; then exit 1; fi
+done; done; done
+
+echo "All tests passed."
+