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-*********************************************************
-Release Notes: Android Image V1.0 Beta 1 for Colibri T20
-*********************************************************
-
-Please note that this Android 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-Customers should also note that support is limited, and Android source code for this image will not be published at the present time.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 ICS 4.0.4 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
-- YAFFS2 flash file systems
-- Linux host used for recovery mode flashing requires proper 32-bit execution environment (e.g. install ia32-libs on 64-bit Ubuntu)
-
-Working:
-- U-Boot boot loader
- - environment storage in NAND flash
- - Ethernet
- - MMC/SD cards
- - NAND flash with NVIDIA partition table parsing
- - RAM size auto detection
- - serial console debug UARTA
- - Toradex Colibri configuration block handling
- - USB storage as host
- - TFTLCD framebuffer support
-- Linux kernel
- - GPIOlib /sys/class/gpio
- - temperature sensor /sys/bus/i2c/devices/4-004c
- - RTC (Tegra internal, PMIC and board level I2C RTC)
- - Ethernet eth0
- - NAND flash MTD YAFFS2
- - serial console debug UARTA
- - high speed serial UARTB and UARTD
- - I2C via /dev/i2c-X
- - MMC/SD card, optional 8-bit SDHCI
- - PWM LEDs /sys/class/leds/
- - HDMI SPDIF audio
- - AC97 audio capture, playback and touch
- - SPI via /dev/spidev3.0
- - GMI with multiplexed nPWE and RDnWR
- - framebuffer console
- - custom Ethernet MAC Address
- - serial number and board revision
- - watchdog
- - USB host port
- - USB device Ethernet RNDIS, provided by Android gadget
- - suspend LP1
- - DVFS power management
-- Android
- - 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
- - MMC/SD card
- - USB host port
- - USB keyboard/mouse
- - USB memory stick
- - ADB, MTP and USB tethering via USB device aka micro USB port
- - Ethernet eth0 using DHCP
- - video playback 720p/1080p
- - 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)
- - 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 T20_LinuxImageV2.0_20130305
- - Linux commit 0fc73eb175a82dc11f6c1cc8e03f1d311d3180de
-
-Not working or not tested:
-- U-Boot USB keyboard
-
-Known issues:
-- time needs to be set for download to work
-- while 256MB modules do run fine multimedia capabilities are severely limited
-
-*****************************************************************************************************************************************************************************************
-NAND Boot: Colibri T20 256MB V1.1b (Sample), Colibri T20 512MB V1.1c (Sample), Colibri T20 256MB V1.2a, Colibri T20 512MB V1.2a, Colibri T20 256MB IT V1.2a or Colibri T20 512MB IT V1.2a
-*****************************************************************************************************************************************************************************************
-
-Initial Preparation:
-- download and extract T20_AndroidImage_Vx.yz.tar.bz2 package
-
-Optional Google Apps Installation:
-- download latest gapps-ics-xyz-signed.zip as described on http://wiki.cyanogenmod.org/w/Gapps
-- 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
-
-Optional TFTLCD Resolution Selection:
-- LVDS aka TFTLCD resolution hard-coded in kernel
-- following pre-compiled kernels provided
- uImage-3.1.10-colibri_t20-android-4.0.4-720p
- uImage-3.1.10-colibri_t20-android-4.0.4-et070080dh6
- uImage-3.1.10-colibri_t20-android-4.0.4-fusion10
- uImage-3.1.10-colibri_t20-android-4.0.4-vga
-- just symlink desired one as follows:
- cd bin; ln -fs uImage-3.1.10-colibri_t20-android-4.0.4-720p uImage; cd ..
-- separate kernel replacement can be achieved using -k update.sh script option
-
-Flash NAND:
-- 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
-- use -r 512 option for 512 MB RAM modules
-- use -v V1_1 option for V1.1b or V1.1c modules
-
-Boot from NAND:
-- EvalBoard V3.1a
- - do no longer press SW9
-- Iris V1.1a
- - do no longer short any pins of JP1
-- power cycle
-- upon first boot Java classes are preloaded and cached which takes around 2 minutes, please be patient
-
-Toradex, December 3, 2014