From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Date: Fri, 18 Sep 2009 18:08:01 +0200 Subject: [U-Boot] OMAP3, RFBI, splash screen In-Reply-To: <20090918135402.GA15290@build.ossfans.org> References: <20090918135402.GA15290@build.ossfans.org> Message-ID: <4AB3B061.9090604@googlemail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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