#!/bin/sh
# This script is used to test fpga flash functionality for Cyclone-5.

FPGA_DEVICE="/dev/fpga0"

if [ ! -e $FPGA_DEVICE ]; then
	echo "FAIL: fpga device $FPGA_DEVICE does not exist"
	exit 1
fi
echo "PASS: fpga device $FPGA_DEVICE exists"

FPGA_STAT_DIR="/sys/class/fpga/fpga0"
FPGA_STAT_FILE="$FPGA_STAT_DIR/status"
if [ ! -d "$FPGA_STAT_DIR" ]; then
	echo "FAIL: fpga status directory $FPGA_STAT_DIR does not exist"
	exit 1
fi
echo "PASS: fpga status directory $FPGA_STAT_DIR exists"

cat $FPGA_STAT_FILE
if [ $? -ne 0 -o ! -s $FPGA_STAT_FILE ]; then
	echo "FAIL: fpga status file $FPGA_STAT_FILE unaccessible or empty"
	exit 1
fi
echo "PASS: fpga status file $FPGA_STAT_FILE has content"

FPGA_BRIDGE_DIR="/sys/class/fpga-bridge"
if [ ! -d "$FPGA_BRIDGE_DIR" ]; then
	echo "FAIL: fpga bridge directory $FPGA_BRIDGE_DIR does not exist"
	exit 1
fi
echo "PASS: fpga status bridge $FPGA_BRIDGE_DIR exists"

FPGA_BR2HPS_FILE="$FPGA_BRIDGE_DIR/fpga2hps/enable"
FPGA_BR2FPGA_FILE="$FPGA_BRIDGE_DIR/fpga2hps/enable"
FPGA_BR2LWHPS_FILE="$FPGA_BRIDGE_DIR/lwhps2fpga/enable"

cat $FPGA_BR2HPS_FILE
if [ $? -ne 0 -o ! -s $FPGA_BR2HPS_FILE ]; then
	echo "FAIL: fpga bridge file $FPGA_BR2HPS_FILE unaccessible or empty"
	exit 1
fi
echo "PASS: fpga bridge file $FPGA_BR2HPS_FILE has content"

cat $FPGA_BR2FPGA_FILE
if [ $? -ne 0 -o ! -s $FPGA_BR2FPGA_FILE ]; then
	echo "FAIL: fpga bridge file $FPGA_BR2FPGA_FILE unaccessible or empty"
	exit 1
fi
echo "PASS: fpga bridge file $FPGA_BR2FPGA_FILE has content"

cat $FPGA_BR2LWHPS_FILE
if [ $? -ne 0 -o ! -s $FPGA_BR2LWHPS_FILE ]; then
	echo "FAIL: fpga bridge file $FPGA_BR2LWHPS_FILE unaccessible or empty"
	exit 1
fi
echo "PASS: fpga bridge file $FPGA_BR2LWHPS_FILE has content"

DD_CMD=`which dd`
if [ "x$DD_CMD" != "x" ]; then
	echo "PASS: fpga dd tool found"
else
	echo "FAIL: fpga dd tool not found"
	exit 1
fi

SD_MMC_PARTITION="/dev/mmcblk0p1"
MOUNT_DIR="/mnt/mmc2"
FILE_TO_COPY="$MOUNT_DIR/soc_system.rbf"
umount $MOUNT_DIR &> /dev/null
rmdir $MOUNT_DIR &> /dev/null
mkdir $MOUNT_DIR
mount $SD_MMC_PARTITION $MOUNT_DIR
if [ ! -f "$FILE_TO_COPY" ]; then
	echo "FAIL: fpga programming file $FILE_TO_COPY does not exist"
	exit 1
fi
echo "PASS: fpga programming file $FILE_TO_COPY found"

$DD_CMD if=$FILE_TO_COPY of=$FPGA_DEVICE bs=1M
if [ $? -ne 0 ]; then
	umount $MOUNT_DIR
	echo "FAIL: programming fpga device $FPGA_DEVICE fail"
	exit 1
fi
umount $MOUNT_DIR
echo "PASS: programming fpga device $FPGA_DEVICE success"

echo "PASS: fpga test passed"
exit 0