1. Bare-metal running: 1) There are two firmware: BOOT.BIN GOLDEN_BOOT.BIN saved in SD card. 2) The GOLDEN_BOOT.BIN is used when upgrading the BOOT.BIN fail. Question: a. How to handle the situation when upgrading the BOOT.BIN fail. b. If failing how could I boot with the GOLDEN_BOOT.BIN when next power on. 2. Linux running
1) Do you have any solutions of upgrading the files in Linux? How to recover it when upgrade fails.
Such as: I may upgrade the device tree, u-boot, file system and so on. If the upgrading is fail, how could I use the backup file?