Many USB storage drives fail in latest U-boot

Hi everyone, The latest version of u-boot seems to have some serious issues with USB drives. More than half of my disks do not work. I have traced the issue down to the following: 1. During a transfer, the XHCI TRB ring buffer reports back an error of type 4. (USB Transaction Error) 2. The C

[U-Boot] Writing a SATA driver

Please forgive my dreadful ignorance. I have no experience with uBoot. I just downloaded the source code today. I need to write a driver for a custom SATA IP core for MicroBlaze on a Xilinx ML505. I have not been successful finding any documentation which explains how to do this with uBoot. F