there were files in my sdcard when i get this board but no u-boot-ls1021aiot.bin
where this board read u-boot-ls1021aiot.bin? sdcard or flash memory?
i re-build u-boot file and write it to the sd-card as below
- Rebuild u-boot
$ bitbake -c cleansstate u-boot-ls1
$ bitbake -c patch u-boot-ls1
$ bitbake u-boot-ls1
* Write RCW/U-BOOT image to SD card with below command
$ sudo dd if=u-boot-ls1021aiot.bin of=/dev/sd[x] bs=512 seek=8 conv=notrunc oflag=dsync
Insert the SD card, Power up the board and check U-Boot output is shown on the serial terminal.
Press a key to stop at the command prompt.
but it still boot with not re-builded u-boot-ls1021aiot.bin
should i flash RCW/U-BOOT image to flash?
then how to flash RCW/U-boot images i can not find for LS1021A-IOT
Help me plz....^^