#!/bin/sh
# This script is used to test spi flash functionality for bsc9131rdb. An spi 
# flash M25P80 connect to bsc9131 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/mtd8"
MTD_BLOCK_DEVICE="/dev/mtdblock8"

FLASH_ERASE=`which flash_erase`
if [ "x$FLASH_ERASE" != "x" ]; then
    echo "PASS: flash_erase found"
else
    echo "FAIL: flash_erase not found"
    exit 1
fi

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

$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
        file_num=`ls /mnt/spi |grep -c 'busybox'`
        if [ $file_num -eq 1 ]; then
            rm /mnt/spi/busybox
            umount $MTD_BLOCK_DEVICE
            echo "PASS: read or write spi flash device $MTD_BLOCK_DEVICE success"
        else
            echo "FAIL: read or write spi flash device $MTD_BLOCK_DEVICE fail"
            exit 1
        fi
    fi
fi

echo "PASS: spi bus test passed"
exit 0