Trusted Firmware-A project is still currently hosted and developed under GitHub:There's not much in the TF-A wiki, most of our content is in the docs folder.
https://github.com/ARM-software/arm-trusted-firmware
All related Wiki pages will be soon migrated here from GitHub.
The current content can still be found for the time being at https://github.com/ARM-software/arm-trusted-firmware/wikiIt can be viewed [[ https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/about/ | here ]]. The source is [[ https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/docs | here ]].