From: Dirk Behme <dirk.behme@googlemail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] OMAP3, RFBI, splash screen
Date: Fri, 18 Sep 2009 18:08:01 +0200 [thread overview]
Message-ID: <4AB3B061.9090604@googlemail.com> (raw)
In-Reply-To: <20090918135402.GA15290@build.ossfans.org>
Sergey Lapin wrote:
> Hi, all!
>
> I'm trying to implement splash screen on OMAP35xx-based device
> with 128x128 1bpp display connected using RFBI, plain parallel interface.
> Display has controller and own memory, and is controlled with parallel
> interface, 8-bit wide data bus and signals.
>
> This display works under Linux, but I can't implement
> that using u-boot, display just doesn't power on, while I see
> that data is on bus with oscilloscope. Linux version works
> using interrupts, so I can't do this with u-boot, and that'd be simply
> overkill using this in u-boot. I think I miss something simple.
>
> Have anybody implemented such a thing, I just need to make
> it into dumb parallel mode, just to display simple image.
> Any examples, ideas?
Most probably it won't help you, as it seems you have some HW
configuration issues. But for OMAP3 splash screen example see
http://groups.google.com/group/beagleboard/browse_thread/thread/3ad9b803a3418624
Best regards
Dirk
next prev parent reply other threads:[~2009-09-18 16:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-18 13:54 [U-Boot] OMAP3, RFBI, splash screen Sergey Lapin
2009-09-18 16:08 ` Dirk Behme [this message]
2009-09-18 18:29 ` Nishanth Menon
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