Cmdline FDT query tool

[David Gibson]

On Thu, May 27, 2010 at 03:35:15PM +1000, John Williams wrote:
> On Thu, May 27, 2010 at 3:17 PM, David Gibson
> <david at gibson.dropbear.id.au> wrote:
> > On Thu, May 27, 2010 at 11:40:51AM +1000, John Williams wrote:
> >> On Sat, May 22, 2010 at 10:17 AM, David Gibson
> >> <david at gibson.dropbear.id.au> wrote:
> >> > On Tue, May 18, 2010 at 12:20:05PM -0600, Grant Likely wrote:
> >> >> On Mon, May 17, 2010 at 8:03 PM, John Williams
> >> >> <john.williams at petalogix.com> wrote:
> >> >> > Hi Grant,
> >> >> >
> >> >> > At ELC I mentioned a tool I'd written that basically hacked u-boot's
> >> >> > "fdt" command into a commandline util for querying DTBs.  You can do
> >> >> > stuff like this:
> >> >> >
> >> >> > $ fdt-tool system.dtp print
> >> >> >
> >> >> > <dump entire DTB in text format>
> >> >> >
> >> >> > $ fdt-tool system.dtb list /cpus/cpu at 0 xlnx,use-dcache
> >> >> > xlnx,use-dcache = <0x1>
> >> >> >
> >> >> > and so on.
> >> >>
> >> >> Cool.  Thanks John.
> >> >>
> >> >> I agree with David.  It would probably be useful to include in the
> >> >> libfdt (which U-Boot fdt support makes use of too) source repo.  Seems
> >> >> like a useful tool.
> >> >
> >> > Of course, to incorporate it with libfdt, it would need to be BSD
> >> > dual-licensed, like the rest of libfdt, and we'd need sign-offs from
> >> > all authors to that effect.
> >>
> >> I have no problem with that, but since I ripped the guts of it
> >> directly from u-boot there'll be a conversation to be had there.
> >
> > Ok.  Do you have the means to track down the people with whom this
> > conversation needs to happen?
> 
> >From the header comments:
> 
>  * Gerald Van Baren, Custom IDEAS, vanbaren at cideas.com
>  * Based on code written by:
>  *   Pantelis Antoniou <pantelis.antoniou at gmail.com> and
>  *   Matthew McClintock <msm at freescale.com>

Hrm.  People frequently fail to update header comments.  I'd much
rather go off the revision control history, if it's available.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson