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************************************************
Release Notes: Linux Image V2.x for Colibri T30
************************************************
Contents:
- U-Boot 2011.06 boot loader
- Linux 3.1.10 kernel, based on NVIDIA's Linux for Tegra (L4T) release 16-r2
- OpenEmbedded oe-core 2012.10 based root file system, using LXDE desktop environment
Licensing:
- proprietary multimedia codecs included for evaluation purpose only
- customer required to obtain proper re-distribution license
********************************************************************************
Linux Image V2.0 Beta 1 (March 28, 2013)
- U-Boot:
- no changes
- Linux kernel:
- fbcon: logo: allow easy integration of a custom Linux boot logo
- rootfs / oe-core:
- use newer Linux kernel
- use latest GPIOConfig, fixed SODIMM numbers
- use a unified recipe for the Linux kernel
- UBOOT_MACHINE variable definition moved to machine .conf file
- add setxkbmap package
- add florence package, virtual keyboard application
- burnflash: fix race condition in genext3fs.sh and use -F option for mount
- xorg framebuffer depth 16bit
- use new Toradex CI
- sources git.toradex.com tag T30_LinuxImageV2.0Beta1_20130314
Known Issues:
- If a a monitor is connected to DVI, the kernel sometime hangs when the
display controller DC1 is initialised. -> reboot required.
- LVDS aka TFTLCD resolution hard-coded in kernel to VESA VGA resolution,
comments with timings for other resolutions provided
- some windows have garbled titlebar, e.g. lxterminal
- lxappearance is segfaulting upon start
- connecting an analog mic to the on module codec resets the codec, so that
neither headphone out nor mic in works anymore. Workaround: Have mic
connected before boot or change the output source between DAC/LineIn
********************************************************************************
Linux Image V2.0 Alpha 1 (January 22, 2013)
- U-Boot:
- moved to proper machine type
- Linux kernel:
- added one wire platform data (conditional, CONFIG_W1_MASTER_TEGRA must be enabled)
- fix USB hang on device insertion
- added correct spidev platform data (/dev/spidev0.0)
- PWM B, PWM C, PWM D now accessible from userspace, /sys/class/leds/
- refined pin muxing
- added thermal throttling, i.e. CPU freq. is reduced when CPU gets hot
- updated audio codec driver, audio input now working
- GPIO keys implementation
- LP1 suspend support
- moved to proper machine type
- fix PMIC regulator platform data
- oe-core:
- use latest u-boot and Linux kernel
- use latest GPIOConfig, fixes issues with tristated pins and GPIO with num >222
- sources git.toradex.com tag T30_LinuxImageV2.0Alpha1_20130122
Known Issues:
- We are in an early Alpha state, not all functions are tested.
- If a a monitor is connected to DVI, the kernel sometime hangs when the
display controller DC1 is initialised. -> reboot required.
- LVDS aka TFTLCD resolution hard-coded in kernel to VESA VGA resolution,
comments with timings for other resolutions provided
- some windows have garbled titlebar, e.g. lxterminal
- lxappearance is segfaulting upon start
- issues with the genext3.sh scripts: if your language settings expect
something different to 'y' to a question, the script failes.
The rootfs is empty resulting in a kernel panic during boot.
Workaround: edit line 38 of bin/genext3.sh as follows:
old: echo y | mkfs.ext3 $@ -L arm
new: mkfs.ext3 -F -L arm $@
********************************************************************************
Linux Image V2.0 Alpha 0 (December 27, 2012)
(ported form the Linux Image V2.0 Beta1 for Colibri T20)
- U-Boot:
- first release
- Linux kernel:
- first release
- oe-core:
- first release
- sources git.toradex.com tag T30_LinuxImageV2.0Alpha0_20121227
Known Issues:
- We are in an early Alpha state, not all functions are tested.
- If a a monitor is connected to DVI, the kernel sometime hangs when the
display controller DC1 is initialised. -> reboot required.
- When no device was attached to the USB host port during boot, the
system crashes when one is attached when the system is up.
- LVDS aka TFTLCD resolution hard-coded in kernel to VESA VGA resolution,
comments with timings for other resolutions provided
- some windows have garbled titlebar, e.g. lxterminal
- lxappearance is segfaulting upon start
********************************************************************************
Notes:
- 115200 baud serial debug console on UARTA aka FFUART (lower X25 on EvalBoards, X13 on Iris) without any handshake
- user account: root with empty password
- ext3 root file system
- opkg package manager
- HDMI: not all pixel clock frequencies allow for HDMI audio
- CRT: The T30 internal video DAC output is unsupported by NVIDIA's L4T Linux SW stack
- Linux host used for recovery mode flashing requires proper 32-bit execution environment (e.g. install ia32-libs on 64-bit Ubuntu)
Working on latest image:
- U-Boot boot loader
- environment storage in eMMC
- Ethernet
- serial console
- USB storage as host
- Linux kernel
- temperature sensor /sys/bus/i2c/devices/4-004c
- RTC (Tegra internal, PMIC and board level I2C RTC)
- Ethernet eth0
- 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
- analog audio capture, playback and touch
- audio noise is high, workaround is to set headphone volume to maximum and use the DAC volume
- touch has some jitter
- SPI via /dev/spidev0.0
- GMI with multiplexed nPWE and RDnWR
- framebuffer console
- custom Ethernet MAC Address
- USB host port
- USB audio driver
- USB webcam
- USB raw HID device /dev/hidrawX
- automatic USB device/host detection aka OTG support
- suspend LP1
- Linux user-space
- graphics (LVDS-1 aka TFTLCD and HDMI-1 aka DVI-D)
- tegrastats
- Firefox
- Gstreamer video playback, dual full HD video decode
- GPIO config tool
- LXDE
- tegrastats-gtk, CPU information visible in graphical environment
Not working or not tested:
- U-Boot boot loader
- eMMC with NVIDIA partition table parsing
- MMC/SD cards not recognized
- Toradex Colibri configuration block handling (i.e. all modules have the same MAC address)
- U-Boot USB keyboard
- Linux kernel
- GPIOlib /sys/class/gpio (no pins are yet exported, the interface would work)
- analog input AD0 .. AD3 not implemented
- serial number and board revision
- watchdog
- USB device Ethernet RNDIS, provided by Android gadget
- Linux user-space
- Adobe Flash not provided by L4T (and probably never will)
- opkg package feeds seem to not be usable
*************************************
eMMC Boot: Colibri T30 V1.1b (Sample)
*************************************
Initial Preparation:
- download and extract T30_LinuxImageVx.yz.tar.bz2 package
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/colibri-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 post-install scripts are run which takes around 2 minutes, please be patient
Toradex, March 28, 2013
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