Merge pull request #747 from cr1901/machxo2

MachXO2 Checkpoint 1

1 files changed, 24 insertions, 0 deletions

diff --git a/machxo2/examples/demo-vhdl.sh b/machxo2/examples/demo-vhdl.sh
new file mode 100644
index 00000000..4bdab54a
--- /dev/null
+++ b/machxo2/examples/demo-vhdl.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+if [ $# -lt 1 ]; then
+    echo "Usage: $0 prefix"
+    exit -1
+fi
+
+if ! grep -q "LOC" $1.vhd; then
+    echo "$1.vhd does not have LOC constraints for tinyfpga_a."
+    exit -2
+fi
+
+if [ ! -z ${TRELLIS_DB+x} ]; then
+    DB_ARG="--db $TRELLIS_DB"
+fi
+
+set -ex
+
+${YOSYS:-yosys} -p "ghdl --std=08 prims.vhd ${1}.vhd -e;
+                    attrmap -tocase LOC
+                    synth_machxo2 -json ${1}-vhdl.json"
+${NEXTPNR:-../../nextpnr-machxo2} --1200 --package QFN32 --no-iobs --json $1-vhdl.json --textcfg $1-vhdl.txt
+ecppack --compress $DB_ARG $1-vhdl.txt $1-vhdl.bit
+tinyproga -b $1-vhdl.bit