[U-Boot] [PATCH 6/6] fdt: Add a Linux tool for reading values from FDT files

Mike Frysinger vapier at gentoo.org
Tue Aug 21 02:24:54 CEST 2012


On Monday 20 August 2012 19:40:45 Joe Hershberger wrote:
> On Fri, Aug 17, 2012 at 6:35 PM, Mike Frysinger wrote:
> > On Friday 17 August 2012 16:34:40 Joe Hershberger wrote:
> >> Designed to be able to access itb files on a filesystem or an mtd
> >> partition.
> >> 
> >> Supports print and list (like the fdt command) and also offset for
> >> finding the offset and size of a given property in an FDT file.
> >> 
> >> This is especially helpful when reading properties from an ITB file.
> > 
> > doesn't the ftdump utility from the dtc package cover your needs ?
> 
> No.  The purpose is to use this utility e.g. in a Linux shell script
> to retrieve a property from the ITB.  The two places I use it are to
> retrieve a version number from the ITB and to identify the offset and
> size of a data block (image) in the ITB.
> 
> From what I can see the ftdump utility in the dtc component just dumps
> the ITB as a single blob with no options.  I'm looking at the dtc
> 1.2.0 source.

... so wouldn't the logical thing be to extend ftdump to support your needs 
and send a patch to the DTC authors rather than to write an entire tool from 
scratch and commit it to a tree that is merely a user of device trees ?
-mike
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