First, we’ve used release_to_customer.sh The script compiles the images directory successfully. Next, through make_sd_upgrade_sigmastar.sh To create an SD upgrade image.
# cd project # ./make_sd_upgrade_sigmastar.sh
After executing the above command, the SD upgrade image is generated successfully: project/ image/output/images/SigmastarUpgradeSD.bin,copy the image to the SD card, and then connect the SD card to the board.
# cd boot # make menuconfig
Next, power up the board and switch to UBoot. Set UpgradePort to 1:
# setenv UpgradePort 1 # saveenv
Finally, execute sdstar to complete the upgrade