tool: Add script to load pre-loaded app into flash

hw/application_fpga/tools/load_preloaded_app.sh

@@ -0,0 +1,34 @@
+#!/bin/bash -e
+
+if [ $# != 2 ]
+then
+    echo "Usage: $0 slot_num app_file"
+    echo ""
+    echo "Where slot_num is 0 or 1."
+    exit
+fi
+
+SLOT_NUM="$1"
+APP="$2"
+
+if [ "$SLOT_NUM" = "0" ]; then
+    START_ADDRESS=0x30000
+elif [ "$SLOT_NUM" = "1" ]; then
+    START_ADDRESS=0x50000
+else
+    echo "Invalid slot_num"
+    exit 1
+fi
+
+echo "WARNING: Will install default partition table."
+read -p "Press CTRL-C to abort. Press key to continue." -n1 -s
+
+# Write both copies of the partition table
+tillitis-iceprog -o 128k default_partition.bin
+tillitis-iceprog -o 0xf0000 default_partition.bin
+
+# Erase existing pre loaded app
+tillitis-iceprog -o "$START_ADDRESS" -e 128k
+
+# Write pre loaded app
+tillitis-iceprog -o "$START_ADDRESS" "$APP"