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by ebito
Sat May 03, 2014 5:09 pm
Forum: C/C++
Topic: uboot - booting rasbian ?
Replies: 6
Views: 4029

Re: uboot - booting rasbian ?

Hi, have you tried to load the kernel from e.g. USB? If not, please try it. I think there is a problem because uboot registered a dma channel. The linux kernel try to get the same dma channel for his sdhc driver. But the dma channel is already registered. So you can try to unload the mmc driver ( in...
by ebito
Fri Mar 21, 2014 4:00 pm
Forum: Graphics programming
Topic: cross-compile qt application for rpi
Replies: 2
Views: 8669

cross-compile qt application for rpi

hi,

how can I create QT applications on my Linux PC ( or MAC-OS ) for the Raspberry Pi ( cross-compile) ?
What I need? Thanks for help.

cu
by ebito
Fri Mar 07, 2014 9:50 am
Forum: Troubleshooting
Topic: MMC - u-boot-rpi
Replies: 7
Views: 2104

Re: MMC - u-boot-rpi

try to use the same workaround in the kernel. I think u-boot use a other sdhc configuration as the linux kernel. Linux use highspeed sdhc.

So you can delete the highspeed flag on kernel side.
by ebito
Tue Feb 25, 2014 7:04 pm
Forum: Troubleshooting
Topic: MMC - u-boot-rpi
Replies: 7
Views: 2104

Re: MMC - u-boot-rpi

Hi,

I've used following workaround:

http://people.freebsd.org/~gonzo/arm/pa ... round.diff

it works in my case
by ebito
Fri Jul 19, 2013 8:40 pm
Forum: Camera board
Topic: rapistill hangs on ModelB with 512MB
Replies: 3
Views: 1078

Re: rapistill hangs on ModelB with 512MB

hi,

is the CSI directly connected to the CPU? Or are there some caps, resistors or similar components between the CPU CSI block and the socket?
by ebito
Fri Jul 19, 2013 5:54 pm
Forum: Camera board
Topic: rapistill hangs on ModelB with 512MB
Replies: 3
Views: 1078

rapistill hangs on ModelB with 512MB

hi @all, I have 2 RPI B models. One with 256MB RAM and one with 512 MB Ram. I downloaded the latest raspian and connected my RPI camera to the model with 512 MB. If I try to take a picture with: raspistill -v -o test.jpg The red led of the camera turns on, but I get now picture and the raspistill ha...
by ebito
Mon May 06, 2013 5:48 pm
Forum: Troubleshooting
Topic: MMC - u-boot-rpi
Replies: 7
Views: 2104

MMC - u-boot-rpi

Hi, I can´t find an u-boot version which works with the actual firmware. The u-boot-rpi started but I can't use the MMC. I add some debug informations to the mmc driver. Here you can see, that i tried to read from the sd-card. The debug informations are (all values in hex): DIRECTION VALUE (reg: REG...
by ebito
Fri Sep 21, 2012 5:05 pm
Forum: Raspbian
Topic: Building Quake 3 in Raspbian
Replies: 24
Views: 17512

Re: Building Quake 3 in Raspbian

hi, if I try to compile quake3 in compliance with these instructions I get following error: make[2]: Entering directory `/quake3' LD build/release-linux-arm/ioq3ded.arm LD build/release-linux-arm/ioquake3.arm /usr/bin/ld:lib/libSDL.so: file format not recognized; treating as linker script /usr/bin/l...
by ebito
Tue Jul 03, 2012 8:07 pm
Forum: Debian
Topic: /dev/mem/ which kernel object?
Replies: 0
Views: 486

/dev/mem/ which kernel object?

Hi,

first sorry for this newbie question:

I found out that the majornumber of /dev/mem is 1. Now I search the kernel object which use this majornumber because I want to read the source code of /dev/mem

Thanks for help.

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