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Revision as of 12:50, 19 January 2014
VAR-SOM-AM33 Debian
Introduction
The Debian filesystem for the VAR-SOM-AM33 is based on the generic armel filesystem http://rcn-ee.net/deb/minfs/squeeze/debian-6.0.6-minimal-armel-2012-10-22.tar.xz
Installation
Get Variscite's AM33 Debian image (am33-debian-6.0.6-minimal-armel-variscite-v3.img.gz) from Variscite FTP (at VAR-SOM-AM33/Software/Linux/Debian) and decompress the image:
$ gunzip am33-debian-6.0.6-oxrg-armel-variscite-v3.img.gz
Flashing the image to your SD card
Plug your SD card to your Linux PC, run dmesg and see what device is added (i.e. /dev/sdX) and run:
$ sudo dd bs=128k if=am33-debian-6.0.6-xorg-armel-variscite-v3.img of=/dev/sdX
Boot
Plug the SD card into the SD port and boot.
Make sure that the NAND chip does not contain U-Boot:
U-Boot# nand erase.chip U-Boot# reset
NOTE: Login to Linux shell with root user (no password).
Xorg Server
There are two diffrent Xorg servers in this debian image, GFX accelerated(default) and non-accelerated.
To start Xorg server with SGX acceleration type:
$ /etc/init.d/pvrx start
To start Xorg server without SGX acceleration type:
startx &
NOTE: The GFX accelerated Xorg server uses the configuration file: /usr/local/XSGX/etc/xorg.conf.