Setting resolution for small disp

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1

Hello,

I have looked on earlier posts but couldnt find any one that solved my
problem.
I'm currently working with my first beagleboard project (new to linux
& embedded linux) and I've managed to get my beagleboard-xM rev C
running on the Angstrom distro as described in the elinux beginners
guide. I'm also managed to setup a toolchain with Qt. I intended
develop the graphics with Qt.

After reading about the resolutions at http://elinux.org/BeagleBoardFAQ#Display_resolutions_.231
i can see that i cant find a bootarg for the resolution i'm looking
for. I'm going to build hardware for a 320x240 TFT display with
standard 18bit RGB interface(hsync, vsync, data etc). The problem i
have is that i dont know where to look to setup the display drivers/
resolution.

If it is of improtance, i think i'm running at a 2.6.32 kernel
version.
I would greatly appritiate if some one could point me in the right
direction as to where to look/read/learn more about it.

Best regards,
Tomas

2

Tomas Selld�n wrote:

Hello,

I have looked on earlier posts but couldnt find any one that solved my
problem.
I'm currently working with my first beagleboard project (new to linux
& embedded linux) and I've managed to get my beagleboard-xM rev C
running on the Angstrom distro as described in the elinux beginners
guide. I'm also managed to setup a toolchain with Qt. I intended
develop the graphics with Qt.

After reading about the resolutions at BeagleBoardFAQ - eLinux.org
i can see that i cant find a bootarg for the resolution i'm looking
for. I'm going to build hardware for a 320x240 TFT display with
standard 18bit RGB interface(hsync, vsync, data etc). The problem i
have is that i dont know where to look to setup the display drivers/
resolution.

If it is of improtance, i think i'm running at a 2.6.32 kernel
version.
I would greatly appritiate if some one could point me in the right
direction as to where to look/read/learn more about it.

linux/drivers/video/omap2/displays/panel-generic-dpi.c

3

I downloaded a prebuilt system generated from the Angstrom Narcissus
and followed the begginers guide on getting all the generated files to
the SD-card, so basicly i didnt have to do anything to get it working.
To be able to acess the video driver you mentioned, do i have to find
a way to build a new u-boot/uimage? Or is it possible to acess it from
my running angstrom image?

4

Seems like you've been tasked with pulling the cart while the horse
sits in it :slight_smile: An XM even.

Maybe send your bytes over USB to a board that is already driving a
320x240? The Linux USB networking driver works well.

5

Its a challange =)

Sending it over to some other board with USB is not an option. As i've
said i intend to build hardware for a display and connect it on the
LCD-expansion on the board. If some one could give me some tips/
guidance on my post above it would be much appritiated.