On Thursday 20 January 2011 09:07:53 Stefano Babic wrote: > On 01/20/2011 03:06 AM, Thomas Besemer wrote: > > Hi folks - > > > > I had posted last week. I was able to get basic Splash Screen going on > > EVK, through using patches I found from googling around. At the end of > > this email, the patch set that shows the differences from the U-Boot I > > pulled on 12/24/2010. I am not sure I have the right patch set, but in > > this case, what I have does seem to work; U-Boot does output to LCD > > display on the second Display Interface. > > There is no correct patchset. As I already stated, patches sent > sometimes ago to ML (and that you reuse) require some rework to be > merged into the mainline. > > > There seems to have been a discussion on lcd_setmem(). Has this been > > resolved, and I missed it? > > No, someone should fix it. The result of the discussion suggested by > Wolfgang is to use the same interface Linux uses, that is with a > video-mode=" variable with something such as 1024x768@60. U-Boot has > already a videomodes.c, but it uses an ancient syntax for videomode (see > the code). Feel free to fix it. > > > You'll see from patch set that I just put a > > > > very large buffer in place (hard coded hack). > > Of course it can work, but this cannot go to mainline... > > > U-Boot hung on boot before > > > > I put this in, and based on what I see on mailing list, this seems to be > > an issue of not having the display information available early on in > > boot. > > Right. This is an open issue. > > > At any rate, I got it to boot, and see that the LCD shows display on > > startup. Yet, I lose the console on this; the serial port is read, but > > the output goes to LCD. > > Fine. > > > In an ideal world, what I would like is to not loose the console. > > Console remains on UART if you do not change the behavior. > > > I want > > > > stdin/stdout to remain on serial port, while I toss a bit map out on LCD. > > Any comments on how to do this? End game is that I toss a splash screen > > up on LCD on EVK, while having U-Boot information still on the console. > > This is already foreseen. If you checked in IPU code, there is an > overwrite function set for this purpose. You must set > CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE. Check the setup in the vision2 board. > > > So, a couple of things: > > > > 1. Do I have correct patch work for this version of U-Boot, or is there a > > newer version of U-Boot to pull? I pulled both mainline and IMX tree > > yesterday, don't see the MX51 EVK in them. > > As I stated previously, the patch adding splashscreen to the mx51evk > board need reworking. > > > 2. How to configure so that I get console while LCD is available for > > display. > > See my answer before > > > 3. What is current status on lcd_setmem() thing. > > Awaiting for patches. Do you think you can provide them ? > > > I might have missed a few things along the way folks; I am not the > > sharpest tool in the shed. Please let me know if I missed patch sets on > > lcd_setmem(), and help me understand how to make sure console works with > > Splash Screen. > > Regarding lcd_setmem() there is some clear statements. IMHO I like > Wolfgang's proposal, because we should not reinvent the wheel. > > Best regards, > Stefano Babic
Hey guys, any update on this matter ? I'm quite interested :) _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
