Re: [Ltib] Problem getting started with Microwindows/Nano-X

[Robert S. Grimes]

---- Original message ----
> Date: Thu, 19 Mar 2009 07:51:30 -0700 (PDT)
> From: Matt Waddel <address@hidden>
> >
> >I have always used the image.bin image for debugging and
> >board bring-up, it removes a layer of complexity.  Once
> >you get an image.bin working correctly you can switch back
> >to the uImage.  Make sure the "Create a uImage of the ROMFS
> >image" is selected under "Target Image Generation".
>
> For whatever reason, once I first got U-boot working almost two years ago, I just stuck with using images for it.  Now, LTIB even makes that easier; before, I didn't use it and had an extra step to perform.  Now, because of the speed and convenience of the image.bin method, I'm glad you mentioned that!
>
>
> >> 
> >> More serious, though, is that the 320x240 resolution doesn't really make
> >> things acceptably better.  But here's something that now puzzles me, and
> >> makes me pause before claiming it is purely a microwindows problem.  In
> >> both cases (320x240 AND 240x320), the little penguin startup logo is
> >> displayed correctly!  Only if I set the resolution to 640x480 (clearly
> >> wrong, but sometimes you got to get a bit crazy to gain that crucial
> >> Aha! moment!) does that get weird.  Is this to be expected?  Given that
> >> I don't know anything about how the framebuffer is implemented, I don't
> >> know...
> >
> >The framebuffer code is pretty much self contained in
> >linux/drivers/video/mcf-fb.c and it's been working pretty
> >well for several different screen sizes on a couple of
> >different platforms.  You're using a custom board right?
> >You may need to adjust the setups in the mcf-fb.c file
> >to match your system.
>
> Yes, it is a custom board, but it is heavily based on the Freescale/LogicPD design.  Still, there may be a difference, so thanks for the pointer as to where to look!
>
> Thanks for your help!

Robert S. Grimes

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