Replicant

• The person behind xboot claims that it works as BL1
• https://blog.csdn.net/obobodog seem to be an author who wrote articles that mention xboot source code, especially the part used in the Exynos4412
• there is a picture of one board here: https://blog.csdn.net/obobodog/article/details/38556843

It might be possible to find the which board it is and check if it's fused