On Fri, Feb 19, 2010 at 10:50 AM, Wolfgang Denk <w...@denx.de> wrote: > Dear "Parks, Derek", > > In message > <821b2170e9e7f04fa38df7ec21de487119ef6...@vcaexch01.hq.corp.viasat.com> you > wrote: >> >> I have an c++ application that needs to display various versions of >> system components; u-boot, kernel, O/S flavor, hardware and software >> versions. I'm struggling with getting the u-boot version and ask for >> your help. My ideal situation is to have U-boot report (somehow) to >> Linux it's version number and have Linux store it in environment >> variables. Any thoughts? > > When CONFIG_VERSION_VARIABLE is set in your board config file, then > U-Boot will set the "ver" envrionment variable to the current version > ID string. If you run "saveenv" at least once, then you can read this > string from the U-Boot environment under Linux, using the fw_getenv > tool / function provided in tools/env/ . >
It is possible also to pass U-Boot version to Linux by adding it to the "bootargs" as additional argument unrecognized by Linux. Afterwards, it can be retrieved from /proc/cmdline. Regards, Michael _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
