BL2/FIP¶

https://trustedfirmware-a.readthedocs.io/en/latest/design/firmware-design.html - Boot Loader stage 1 (BL1) AP Trusted ROM - Boot Loader stage 2 (BL2) Trusted Boot Firmware - Firmware Image Package

MTD¶

calc HEX -> DEC ： 00400000 = 4MiB 06f00000 = 111MiB

cat /proc/mtd
fw_printenv | grep mtdparts

mtd write .bin FIP # kmod-mtd-rw
dd if=/tmp/uboot.bin of=/mtd4

ubinfo -a

breed -> openwrt initramfs -> /cgi-bin/luci/admin/system/flashops/sysupgrade