Hello,<div><br></div><div>By kernel do you mean the Linux kernel? I'm just starting work on that, so not quite sure how that's going to go.<div><div><br></div><div>If you mean barebox then yes. I'm using fairly new code, I had to make some modifications to bypass dealing with cache and MMU as this chip does not have support for it. The changes were minor. </div>
<div><br></div><div>I will go through my revisions and make sure it conforms to how everything else is done in this project and see about merging it in.</div><div><br></div><div>Thanks,</div><div>Marko<br><br><div class="gmail_quote">
On Mon, Apr 18, 2011 at 12:38 PM, Robert Schwebel <span dir="ltr"><<a href="mailto:r.schwebel@pengutronix.de">r.schwebel@pengutronix.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi Sascha,<br>
<div class="im"><br>
On Mon, Apr 18, 2011 at 08:33:13PM +0200, Sascha Hauer wrote:<br>
> On Mon, Apr 18, 2011 at 12:17:47PM -0600, Marko Milutinovic wrote:<br>
</div><div class="im">> > I recently ported barebox to a platform using an old AT91 chip<br>
> > (at91m55800a, ARM7TDMI core). There is already a MACH_AT91 folder<br>
> > but this chip is sufficiently different that I just made a new<br>
> > folder MACH_AT91_legacy. This was just a test project for me to get<br>
> > familiar with using barebox.<br>
> ><br>
> > I'm just wondering if there is any value in me merging in the code<br>
> > for this? I realize it's a pretty old chipset, but I'm finding<br>
> > barebox very useful and would like to contribute to it.<br>
><br>
> I never even heard of this chip. I think adding support for it should<br>
> be ok, but we might remove it in the future should non trivial<br>
> architecture changes become necessary and nobody cares for updating<br>
> this.<br>
<br>
</div>We should somewhere have a board with this chip in the archive:<br>
<a href="http://www.phytec.de/de/produkte/module-im-ueberblick/phycore/produktdetails/p/phycore-at91m55800a.html" target="_blank">http://www.phytec.de/de/produkte/module-im-ueberblick/phycore/produktdetails/p/phycore-at91m55800a.html</a><br>
<br>
Marko, are you working with a recent mainline kernel on this cpu? I'm<br>
wondering about the mmu-less state of the kernel. Havn't tried for some<br>
time.<br>
<br>
rsc<br>
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