From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Frysinger Date: Fri, 2 Sep 2011 12:33:34 -0400 Subject: [U-Boot] [RFC PATCH 0/4] Run-time configuration of U-Boot via a flat device tree (fdt) In-Reply-To: <1314910149-9755-1-git-send-email-sjg@chromium.org> References: <1314910149-9755-1-git-send-email-sjg@chromium.org> Message-ID: <201109021233.36339.vapier@gentoo.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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