Date: Sun, 17 Dec 2017 21:19:23 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: Ian Lepore <ian@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: ubldr question Message-ID: <D27D8237-ED2D-4DA3-8EBC-707ECDAC897A@cs.huji.ac.il> In-Reply-To: <1513530125.95072.27.camel@freebsd.org> References: <0844C635-7FA6-4684-92F5-4C1AAC8EFB95@cs.huji.ac.il> <1513530125.95072.27.camel@freebsd.org>
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> On 17 Dec 2017, at 19:02, Ian Lepore <ian@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, dannyhome | help
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