Dear Simon Glass, > Hi, > > On Tue, Jul 10, 2012 at 3:05 PM, Marek Vasut <marek.va...@gmail.com> wrote: > > Dear Michal Simek, > > > > > Hi Simon, Wolfgang and others, > > > > > > just want to open new topic about FDT driver initialization function > > > declaration. > > > > Ok, my few nits (with consideration of the DM stuff) ... > > 1) Parsing the DTB is slowish > > Yes, particularly early when (for example) the dcache is off and we can't > store anything.
Well if you use DCache as DRAM ... but that's different tale ;-) > One solution may be to have a simple way of picking out things that are > needed early, and placing them in a simple C structure. Things like the > serial base address (for console_init_f()) might fit this model. This smells by global data. And picking them from the DTB is still complicated. > Of course > this needs a tool to do it. But the advantage is that everything is > controlled from the fdt but without the performance penalty. > > > 2) The DT can bind nicely with the DM, but if you could investigate > > further and > > help evaluating possible corner cases, that'd help a lot > > I also only just became aware of your tree. Hum, I did send out the email to many people, announcing this. > It looks very promising and > looks like it will solve a number of multi-device / initcall issues we have > at present. That's the point (right after making my life easier ;-) ). To squash the growing number of ad-hoc hacks trying to support multiple devices too. > > 3) If you could go over the documentation and comment on it, that'd be > > very nice. > > 4) First patches for the DT shall land in next few weeks > > > Do you mean land in mainline, or just in your tree? I mean in the mailing list :) > > Wolfgang, is it possible to somehow tag the DM patches so we can later > > collect > > these tagged patches to prove we did the amount of work to the university > > committee? Or maybe simple "dm:" in the subject will suffice. > > > > Best regards, > > Marek Vasut > > Regards, > Simon Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
