ubldr question

[Daniel Braniss]

> On 17 Dec 2017, at 19:02, Ian Lepore <ian at freebsd.org> wrote:
> 
> On Sun, 2017-12-17 at 17:03 +0200, Daniel Braniss wrote:
>> Hi,
>> in the past there was CONFIG.TXT and/or UENV.TXT where I could
>> override the
>> default .dtb file set by uboot, but now it seems these files are
>> either not read, or the
>> command has changed.
>> 
>> So, apart from stoping the loader, and typing ‘env set fdtfile
>> xxx.dtb’
>> is there another way?
>> 
>> cheers,
>> 	danny
>> 
> 
> You should be able to "saveenv" after making your change.
> 
> The uEnv.txt that used to be supported was to make it possible to
> programatically change the boot behavior from freebsd userland.  That
> feature got lost when the uboot ports were all rewritten to use a
> default environment (boot scripts and all) for freebsd that is
> basically identical to what linux uses.  It's a lot less work for the
> port maintainers, but we lost some functionality along the way.
> 
> — Ian

thank sIan,
that did it, now if uboot could figure out what SOC it booted from and choose the appropriate
dtb file would be great!

cheers,
	danny