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*****************************************************
Release Notes: Android Preview Image for Colibri T30
*****************************************************
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Customers should also note that support is limited, and Android source code for this image will not be published at the present time.
Contents:
- U-Boot 2011.06 boot loader
- Linux 3.1.10 kernel, based on NVIDIA's Linux for Tegra (L4T) release 16-r3
- Android JB 4.2.1 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 EvalBoards, X13 on Iris) without any handshake
- ext3 eMMC file systems
- Linux host used for recovery mode flashing requires proper 32-bit execution environment (e.g. install ia32-libs on 64-bit Ubuntu) and awk (e.g. install gawk on Ubuntu)
Working:
- eMMC flash boot
- serial console debug UARTA
- TFTLCD aka DVI-A with VGA, 800x480 (EDT ET070080DH6), 1024x600 (TouchRev Fusion 10) or 720p
- HDMI aka DVI-D 720p display dynamically switching to 1080p for full HD content
- USB host port
- USB keyboard/mouse
- USB memory stick
- ADB via USB device aka micro USB port
- Ethernet eth0 using DHCP
- browser
- GPIO keys (back using SODIMM pin 133 on Iris X16-14, find 77, home 127, menu 135, power 45 X16-20, volume down 24, up 22)
- LP1 suspend (wake-up via back or power key or USB keyboard)
- resistive touch on 5.7" EDT ET057090DHU (VGA) or 7" ET070080DH6 albeit uncalibrated
- multitouch using TouchRev Fusion 10 (reset using SODIMM pin 101 on Iris X16-16 and pen down IRQ SODIMM 103 X16-15)
- PWM backlight via regular Android setting
- sources git.toradex.com
- U-Boot tag T30_LinuxImageV2.0Alpha1_20130122
- Linux commit 5dcf120a31010d2d64846c259ddeb7187cb41cda
Not working:
- MMC/SD card
- I2S audio
- video playback
- HDMI SPDIF audio
- power management
Known issues:
- time needs to be set for download to work
*************************************
eMMC Boot: Colibri T30 V1.1b (Sample)
*************************************
Initial Preparation:
- download and extract T30_AndroidPreviewImage.tar.bz2 package
Optional Google Apps Installation:
- download latest gapps-jb-xyz-signed.zip as described on http://wiki.cyanogenmod.org/w/Gapps
- extract contents of system folder from gapps-jb-xyz-signed.zip into previously extracted rootfs folder
- e.g. unzip gapps-jb-xyz-signed.zip; sudo cp -pPR system/* rootfs
Optional TFTLCD Resolution Selection:
- LVDS aka TFTLCD resolution hard-coded in kernel
- following pre-compiled kernels provided
uImage-3.1.10-colibri_t30-android-4.2.1-720p
uImage-3.1.10-colibri_t30-android-4.2.1-et070080dh6
uImage-3.1.10-colibri_t30-android-4.2.1-fusion10
uImage-3.1.10-colibri_t30-android-4.2.1-vga
- just symlink desired one as follows:
cd bin; ln -fs uImage-3.1.10-colibri_t30-android-4.2.1-720p uImage; cd ..
- separate kernel replacement can be achieved using -k update.sh script option
Flash eMMC:
- EvalBoard V3.1a
- connect USB B (X29) or USB micro A/B (X30) to development workstation using regular or micro USB cable
- the jumper JP2 must be open
- press and hold recovery mode switch (SW9) during power up
- Iris V1.1a
- 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/knowledge-base/txx-recovery-mode)
- make sure that the carrier board supports USB high speed
- Iris & EvalBoard V3.1a OK, for other carrier boards see http://developer.toradex.com/knowledge-base/usb-2.0-high-speed-%28480mbps%29 )
- apply power or reset
- run update.sh script
Boot from eMMC:
- EvalBoard V3.1a
- do no longer press SW9
- Iris V1.1a
- do no longer short any pins of JP1
- power cycle
- upon first boot emergency remount prepares cache and data partitions and reboots after 15 seconds
- upon second boot Java classes are preloaded and cached which takes around 2 minutes, please be patient
Toradex, December 3, 2014
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