[U-Boot] [RFC PATCH 0/4] Run-time configuration of U-Boot via a flat device tree (fdt)

[Mike Frysinger]

On Thursday, September 01, 2011 16:49:05 Simon Glass wrote:
> At present in U-Boot configuration is mostly done using CONFIG options in
> the board file. This patch set aims to make it possible for a single
> U-Boot binary to support multiple boards, with the exact configuration of
> each board controlled by a flat device tree (fdt). This is the approach
> recently taken by the ARM Linux kernel and has been used by PowerPC for
> some time.
> 
> The fdt is a convenient vehicle for implementing run-time configuration for
> three reasons. Firstly it is easy to use, being a simple text file. It is
> extensible since it consists of nodes and properties in a nice hierarchical
> format.
> 
> Finally, there is already excellent infrastructure for the fdt: a compiler
> checks the text file and converts it to a compact binary format, and a
> library is already available in U-Boot (libfdt) for handling this format.

i guess the important questions for u-boot: size and speed.  have you done any 
comparisons in this area ?
-mike
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
Url : http://lists.denx.de/pipermail/u-boot/attachments/20110902/eeb02433/attachment.pgp