Hi. I have ports of u-boot for Zedboard and Zybo. If I could get those committed, I can then make a pull request to crochet to utilize them. It’s how I have been creating SD images for Zedboard and Zybo for a while now. I also think I can get crochet to build an SD image for Parallella. Thanks, —Thomas — Thomas Skibo thomasskibo at yahoo.com