OTA experiment

OTA experiment

#at Linux host

#download flex-installer
wget https://www.nxp.com/lgfiles/sdk/lsdk2012/flex-installer && chmod +x flex-installer && sudo mv flex-installer /usr/bin
flex-installer -h

#download flex-builder
tar xvzf flexbuild_lsdk2012.tgz
cd flexbuild_lsdk2012/
source setup.env
flex-builder -h

#create docker container
docker run -it --name ota --privileged -v $(pwd):/home/adv/flexbuild_lsdk2012:rw fbubuntu:18.04 /bin/bash

# -----below command are in docker container----------
cd /home/adv/flexbuild_lsdk2012

#source environment variable
source setup.env

#先build一次拉code
flex-builder -i mkfw -m ls1046ardb -b qspi

# clean 
flex-builder clean

# 修改rcw_1800_qspiboot.rcw內容(才認得到eMMC)
cd /home/adv/flexbuild_lsdk2012/packages/firmware/rcw/ls1046ardb/RR_FFSSPPPH_1133_5559
vim rcw_1800_qspiboot.rcw
IIC2_EXT=0
EVDD_VSEL=0

# 重新build firmware image
flex-builder -i mkfw -m ls1046ardb -b qspi
ls -hl build/images/

# generate Ubuntu-base arm64 LSDK
flex-builder -i mkrfs -r ubuntu:lite -a arm64
ls -hl build/images/


# kernel image , dtb, distro boot script, flex_linux_<arch>.itb, small ramdiskrfs,etc.
# Flex-builder automatically builds the dependent images if the are not present.
flex-builder -i mkbootpartition -a arm64
ls -hl build/images/

exit
cd build/images/
cp firmware_ls1046ardb_uboot_qspiboot.img /tftpboot/
cp rootfs_lsdk2012_ubuntu_lite_arm64_202109080922.tgz /tftpboot/
cp bootpartition_LS_arm64_lts_5.4_202109080224.tgz /tftpboot/


#at ls1046ardb Device COM
#firmware_ls1046ardb_uboot_qspiboot.img 燒入qspi bank1

=> cpld reset
=> setenv serverip 172.22.31.153
=> dhcp
=> ping 172.22.31.153
=> tftp $load_addr firmware_ls1046ardb_uboot_qspiboot.img
=> sf probe 0:1
=> sf erase 0 +$filesize && sf write $load_addr 0 $filesize
=> cpld reset altbank

#uboot check emmc
=> mmcinfo
=> mmc list

#reboot from qspi bank4 and boot to tiny rfs
=> run qspi_bootcmd


# download bootpartition and rfs to mytftp folder
cd /media/
mkdir mytftp
cd mytftp

ifconfig fm1-mac9 up
udhcpc -i fm1-mac9
ping 172.22.31.153

#---------------------------- lite-----------------------------------------------
tftp -g -r bootpartition_LS_arm64_lts_5.4_202109080224.tgz 172.22.31.153
tftp -g -r rootfs_lsdk2012_ubuntu_lite_arm64_202109080922.tgz 172.22.31.153
# --------------------------------------------------------------------------------
sync

# format emmc
flex-installer -i pf -d /dev/mmcblk0
sync

# lite RFS -p 5P=50M:1G:50M:100M:-1 --rootpart=6 -b
#After installing successfully, run "setenv devpart_root 6;boot" in U-Boot to boot distro from the specific partition)
flex-installer -i install -p 5P=50M:1G:50M:100M:-1 -b bootpartition_LS_arm64_lts_5.4_202109080224.tgz -r rootfs_lsdk2012_ubuntu_lite_arm64_202109080922.tgz -d /dev/mmcblk0 --rootpart=6
sync


# write ota_flag = 1 to partition 5
mkdir ota
mount /dev/mmcblk0p5 ./ota/
cd ota
echo "1" > ota_flag
sync
reboot


# switch to qspi bank4 and boot to partition 6
=> cpld reset altbank
=> setenv devpart_root 6;boot

#boot into ubuntu lite

ifconfig eth4 up
dhclient eth4
apt-get update
apt-get install vim

# mount emmc
vim /etc/udev/rules.d/11-sd-mount.rules

#=============================11-sd-mount.rules=========================================
KERNEL!="mmcblk0p5",GOTO="automount_exit"
ACTION=="add", SUBSYSTEM=="block",RUN+="/bin/mkdir /mnt/emmc",RUN+="/usr/bin/systemd-mount --no-block --automount=yes $devnode /mnt/emmc"
ACTION=="remove", RUN+="/usr/bin/systemd-umount /mnt/emmc",RUN+="/bin/rmdir /mnt/emmc"
LABEL="automount_exit"
#========================================================================================


# reboot and switch to qspi bank4 and boot to partition 6
reboot
=> cpld reset altbank
=> setenv devpart_root 6;boot

# check emmc dir
ls /mnt/emmc



# add check_ota shell scripts

vim /usr/bin/check_ota.sh
:set paste
#--------------below is shell script--------------------------------
#!/bin/sh

echo "this is log" > /root/check_ota_log.txt
count=0
while true
do
  echo ${count} > /root/check_ota_log.txt
  count=$((count+1))
  flag=$(cat /mnt/emmc/ota_flag)
  echo "flag is ${flag}" >> /root/check_ota_log.txt
  if [ $flag -eq 1 ]
  then
    echo "system restart ota" >> /root/check_ota_log.txt
  else
    echo "no need to restart for ota" >> /root/check_ota_log.txt
  fi
  sleep 1
done

#----------------------------------------------------------------------------------

chmod 777 /usr/bin/check_ota.sh

# add rc.loacl

vim /etc/rc.local
#!/bin/sh -e
check_ota.sh &
echo "this is rc.local 1"
echo "this is rc.local 2" > /root/tt.log

# this is very important
chmod 777 /etc/rc.local

# reboot and switch to qspi bank4 and boot to partition 6
reboot
=> cpld reset altbank
=> setenv devpart_root 6;boot


#check ota flag log file
cat /root/check_ota_log.txt