Updated FreeBSD-Wandboard bootloader

A new FreeBSD Wandboard build is available here and the boot log is here. This build uses U-Boot 2014.07.

Introduction This is my 3rd blog posting on the topic of the Crochet-FreeBSD ARM boot process.  The other two are here and here.   At long last, I have the Crochet-FreeBSD build for Wandboard working properly, with U-boot and ubldr.  This article will serve, I hope, to document the entire process and give others a…

Available here.    

I was curious to see how difficult it would be to compile NetBSD on FreeBSD 10.  Once you have the source, there is a build.sh script which is very helpful.  The build is as simple as: ./build.sh -m i386 tools ./build.sh -m i386 kernel=GENERIC release In my case I have both clang and gcc installed.  I…

The FDT is the “Flattened Device Tree”, a simple device tree used in embedded FreeBSD, for example on a Pi.  Every architecture has a DTS file, which contains a human-readable list of hardware for that architecture.   For example, the Pi FTD is here.  You should notice that there are declarations for: cpu axi (the…

FreeBSD-11 has support for i2c on Wandboard. The working boot image is here, and the boot log is here. In order to enable it, there were three steps Enable the kernel options Update the files.imx6 file Create the DTS mappings The kerne config for Wandboard-Quad is here, however, most of the kernel options for Wandboard…