The SDP protocol over USB is a USB HID class protocol. USB HID class
protocols allow to access a USB device without OS specific drivers. The
U-Boot implementation has primarly been tested using the open source
-imx_loader utility (https://github.com/toradex/imx_loader).
+imx_loader utility (https://github.com/boundarydevices/imx_usb_loader).
The host side utilities are typically capable to interpret the i.MX
specific image header (see doc/README.imximage). There are extensions