From: Pavel Machek <pavel@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFCv2] mainline u-boot on socfpga
Date: Mon, 15 Sep 2014 10:34:14 +0200 [thread overview]
Message-ID: <20140915083414.GA11838@amd> (raw)
In-Reply-To: <1410766315.2763.14.camel@clsee-VirtualBox.altera.com>
Hi!
> > I know coding style leaves something to be desired.
> >
> > But.. it recognizes MMC/ethernet, and can load linux kernel.
> >
> > Unfortunately, 1MB of memory at 0 is not available for some reason;
> > but linux works ok if you avoid that area.
> >
> > "fpga load 0" now seems to work.
> >
> > For some reason, I had to rewrite fpgamgr_axi_write(). There's some
> > bug in assembly version, causing code to get confused after it is
> > executed.
> >
>
> This assembly version works well for me as I got daily test run to test
> this functionality. We got around 77% improvement using this assembly
> compared to C code previously. Having that said, probably you can share
> with me the details of your bug.
It seems that if CONFIG_THUMB is enabled (as is in some versions,
IIRC), it crashes and burns.
Compared with MMC speed, it seems to be fast enough, but ok, 77%
speedup is nice. We have fixed version in tree, Marek will post it
soon.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
prev parent reply other threads:[~2014-09-15 8:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-03 19:34 [U-Boot] [RFC] mainline u-boot on socfpga Pavel Machek
2014-09-08 12:08 ` [U-Boot] [RFCv2] " Pavel Machek
2014-09-08 12:35 ` Michal Simek
2014-09-15 7:12 ` Chin Liang See
2014-09-15 7:31 ` Chin Liang See
2014-09-15 8:34 ` Pavel Machek [this message]
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