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Release Notes:  Android Preview Image for Colibri T20
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Please note that this Android Preview Image is for evaluation purposes only, and is provided as-is.
Customers should also note that support is limited, and source code for this image will not be published at the present time.

Contents:
- fastboot boot loader
- Linux 2.6.39.4 kernel
- Android ICS 4.0.3 file system

Licensing:
- proprietary multimedia codecs included for evaluation purpose only
- customer required to obtain proper re-distribution license

Notes:
- 115200 baud serial debug console on UARTA aka FFUART (lower X25 on EvalBoard, X13 on Iris) without any handshake

Working:
- NAND flash MTD YAFFS2
- serial console debug UARTA
- HDMI aka DVI-D 720p display
- MMC/SD card
- USB host port
- USB keyboard/mouse
- USB memory stick
- ADB via USB device aka micro USB port
- Ethernet eth0 using DHCP
- video playback 720p/1080p
- browser

Not working:
- TFTLCD aka DVI-A exhibits bad timing
- AC97 audio/touch
- HDMI SPDIF audio
- suspend
- power management
- browser download

Known issues:
- input device e.g. USB keyboard/mouse needed otherwise gets stuck at boot animation
- time needs to be set for download to work

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NAND Boot: Colibri T20 512MB V1.1c (Sample), Colibri T20 512MB V1.2a or Colibri T20 512MB IT V1.2a
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Initial Preparation:
- download and extract T20_AndroidPreviewImage.tar.bz2 package

Optional Google Apps Installation:
- download latest gapps-ics-xyz-signed.zip from http://wiki.cyanogenmod.com/wiki/Latest_Version#Google_Apps
- extract contents of system folder from gapps-ics-xyz-signed.zip into previously extracted rootfs folder
- e.g. unzip gapps-ics-xyz-signed.zip; sudo cp -pPR system/* rootfs

Flash NAND:
- connect USB micro A/B (X12) to development workstation using regular micro USB cable
- short pin 1-2 of JP1 on Iris for RECOVERY (other carrier boards see http://developer.toradex.com/hardware-resources/arm-family/colibri-module/colibri-recovery-mode)
- apply power or reset
- run update.sh script
- use -v V1_1 option for V1.1c module

Boot from NAND:
- do no more short any pins of JP1 on Iris
- power cycle or reset

Toradex, May 15, 2012