There are 3 repositories under bootrom topic.
IDAPython loader to help with AArch64 iBoot, iBEC, and SecureROM reverse engineering
Unsigned code loader for Exynos BootROM
Unsigned code loader for Amlogic BootROM
Resources to boot Ubuntu on Chromecast with Google TV
IBM PC/Clone 8086+ floppy-loading of option roms.
dump Exynos 8890 bootROM from Samsung Galaxy S7
PS2Ident is an identification tool that allows dumps of a PlayStation 2 console's ROM chips and MECHACON NVRAM to be made. It will also gather data from the console
My notes on old Mediatek devices (mt65xx, and kernel 3.4.x). Some info might be useful for developing mainline linux kernel.
平头哥无剑100开源SoC平台(双核E902,安全启动,BootROM,IOPMP,Mailbox,RSA-2048,SHA-2, WS2812,Flash)