#!/bin/sh

#An spi flash M25P80 connect to keystone-evm cpu by spi bus, so the method
#is to read/write spi flash to verify whether the spi bus driver worked
#or not.

MTD_CHAR_DEVICE="/dev/mtd4"
MTD_BLOCK_DEVICE="/dev/mtdblock4"

if [ ! -e $MTD_CHAR_DEVICE ]; then
    echo "FAIL: spi flash device $MTD_CHAR_DEVICE does not exist"
    exit 1
else
    echo "PASS: spi flash device $MTD_CHAR_DEVICE exists"
fi

if [ ! -e $MTD_BLOCK_DEVICE ]; then
    echo "FAIL: spi flash device $MTD_BLOCK_DEVICE does not exist"
    exit 1
else
    echo "PASS: spi flash device $MTD_BLOCK_DEVICE exists"
fi

/usr/sbin/flash_erase -j $MTD_CHAR_DEVICE 0 0
if [ $? -ne 0 ]; then
	echo "FAIL: format spi flash device $MTD_BLOCK_DEVICE fail"
	exit 1
else
	mkdir -p /mnt/spi
	mount -t jffs2 $MTD_BLOCK_DEVICE /mnt/spi
	if [ $? -ne 0 ]; then
    	echo "FAIL: mount spi flash device $MTD_BLOCK_DEVICE fail"
    	exit 1
	else
		cp /bin/busybox /mnt/spi
		ls /mnt/spi |grep busybox
		if [ $? -ne 0 ]; then
    		echo "FAIL: read or write spi flash device $MTD_BLOCK_DEVICE fail"
    		exit 1
		else
			umount $MTD_BLOCK_DEVICE
    		echo "PASS: read or write spi flash device $MTD_BLOCK_DEVICE success"
		fi
	fi
fi

echo "PASS: spi bus test passed"
exit 0