PROCESSOR-SDK-AM62X: AM62X SKEVM PROC142A开发板 Boot 方式配置问题咨询

#!/bin/sh

echo "----- formatting emmc -----"

fdisk /dev/mmcblk0  <<EOF
d
p
n




y
w
EOF

echo "----- mkfs mmc -----"
yes | mkfs.ext4 /dev/mmcblk0p1

echo "----- updata boot to emmcb1k0boot0 -----"
cd /lib/boot_img
echo 0 > /sys/block/mmcblk0boot0/force_ro
dd if=tiboot3.bin of=/dev/mmcblk0boot0 seek=0
dd if=tispl.bin of=/dev/mmcblk0boot0 seek=1024
dd if=u-boot.img of=/dev/mmcblk0boot0 seek=5120

echo "----- updata rootfs to emmc -----"

cd /
mkdir rootfs_temp
echo "----- mount emmc -----"
mount -t ext4 /dev/mmcblk0p1 /rootfs_temp/
ls /rootfs_temp/

echo "----- copy filesystem -----"
tar xvpfz rootfs.tgz -C /rootfs_temp
ls /rootfs_temp

echo "----- umount emmc -----"
umount /rootfs_temp
rm /rootfs_temp -rf

sync
echo "====== Image updata emmc ok ======"
date

     => setenv mmcdev 0
     => setenv bootpart 0
     => boot