The latest official Fuego documentation is in the fuego source repository.

But here is a copy from August of 2016:

• Fuego Quickstart Guide (2016) [PDF].

That document is fairly terse.

Here are some links to pages with more extensive documentation about Fuego

• Architecture - documents the overall architecture of Fuego
• Jenkins User Interface - describes the user interface for Jenkins
• Jenkins-Fuego Details - describes directories, scripts and variables in detail

Basic Operations [edit section]

Here are pages that describe various aspects of Fuego

• Adding a board
• Adding a toolchain
• Adding a test
  • see also How-to-Add-Test-Cases-on-Fuego.pdf
• Using the qemuarm target

Developer Guide [edit section]

• Core interfaces - describes the interface between Jenkins and the Fuego core system
• Test Script APIs - describes the APIs available for test scripts
• Jenkins Plugins - list of Jenkins plugins preinstalled and used by Fuego, and an explanation of their usage
• Fuego directories - list of different fuego directories, and what each is used for
• Fuego release process - a description of the Fuego release process, to keep Tim sane
• Benchmark parser notes - a description of the benchmark data flow and parser

Special Topics [edit section]

• Integration with ttc - describes how to use 'ttc' with Fuego
  • If you don't know what 'ttc' is, then you can skip this

Tips [edit section]

• Docker Tips - various tips for using and accessing the Fuego docker container