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******************************************************
Release Notes: Linux Image V2.x for Colibri VF50/VF61
******************************************************
Contents:
- U-Boot 2011.12 boot loader
- Linux 3.0.15 kernel, based on Freescale TWR-VF65GS10 Timesys LinuxLink 2014-01-27
- OpenEmbedded oe-core 2013.06 based root file system, using LXDE desktop environment
********************************************************************************
Linux Image V2.1 Beta 3 (March 18, 2014)
- U-Boot
- Add default VESA VGA vidargs for our now modedb enabled kernel. This allows
easy specifying an alternate parallel RGB resolution.
- Linux kernel:
- Allow to configure video resolution through modedb (video=dcufb:..).
- Add kernel parameters to change RGB clock polarity.
- Included reworked Fusion multi-touch touchscreen driver.
- Merged Timesys tag 3.0-vybrid-ts2.13.
- Support suspend/resume for Micrel PHY.
- Enable FIFO for UART even when serial console is enabled.
- Enabled wake-up pins SODIMM 43/45.
- Fix and enabled SPI support (DSPI1).
- Platform data for CAN transceiver MCP251x on Evaluation Board.
- Build AC97 driver as module (supports resistive touch only for now).
- Add PWM platform data, export PWM channels as PWM LEDs.
- Linux user-space
- GPIO config tool.
- Add Cortex M4 utility mqxboot and communication library libmcc.
- sources git.toradex.com linux/u-boot branches colibri_vf tag Colibri_VF_LinuxImageV2.1Beta3_20140318
Known Issues:
- If the module does not boot remove all displays connected to HSYNC, VSYNC and reset.
(This has been observed on an Evaluation Board V2.1)
- Analogue audio is not working on the Colibri VF61
********************************************************************************
Linux Image V2.1 Beta 2 (November 29, 2013)
- U-Boot:
- Add initial Colibri VF61 support.
- Implement memory size auto detection.
- Implement module type (e.g. VF50 vs. VF61) auto detection based on L2 cache availability.
- Set specific ARM core clock (e.g. 400 vs. 500 MHz) as well as Linux machine id number.
- Rename configuration to colibri_vf to be universally used for Colibri VF50 as well as VF61.
- Linux kernel:
- Various ADC resp. VF50 touch improvements/fixes.
- Implement internal temperature sensor exposed via /sys/class/hwmon/hwmon0/device/temp1_input.
- Fix VESA VGA display timing.
- Use 16 bpp framebuffer by default to avoid buffer underruns.
- Add the following additional display timings for manual activation:
- 800x480@60 (e.g. EDT ET070080DH6)
- 800x600@60
- 1024x600@60 (e.g. TouchRevolution Fusion 10)
- 1024x768@60
- Allow for 396 as well as 500 MHz A5 core frequency.
- Add the Colibri VF61 machine id and its corresponding machine definition.
- Rename configuration to colibri_vf to be universally used for Colibri VF50 as well as VF61.
- Enable watchdog configuration.
- Fix Freescale's magic daisy chain aka select input IOMUX stuff.
- Fix pixel clock polarity.
- rootfs / oe-core:
- Use branch 'LinuxImageV2.1' in toradex-bsp-platform.git
- Fix recipe to follow the changed khronos headers checksum
- Rename machine to colibri-vf to be universally used for Colibri VF50 as well as VF61
- Unify files for use with VF50/VF61 or add VF61 specific ones
- Don't statically populate /dev. The VFxx console fails on this.
- Improve the console and qt4e image recipe
- sources git.toradex.com linux/u-boot branches colibri_vf tag Colibri_VF_LinuxImageV2.1Beta2_20131129
Known Issues:
- If the module does not boot remove all displays connected to HSYNC, VSYNC and reset.
(This has been observed on an Evaluation Board V2.1)
- LVDS aka TFTLCD resolution hard-coded in kernel to VESA VGA resolution.
- Resistive touch and analogue audio are not working on a Colibri VF61
********************************************************************************
Linux Image V2.1 Beta 1 (October 22, 2013)
- U-Boot:
- Fix long standing boot hang issue introduced by Freescale's Vybrid 1.1 silicon.
- Fix possible uninitialised array member issue in serial number to
hexadecimal coded decimal conversion routine (e.g. as used for
/proc/cpuinfo in Linux).
- Migrate default NAND vs. SD card boot configuration (in-line with Colibri T20)
- Integrate config block handling
- Increase the available space for the U-Boot binary to half a megabyte by booting from gfxRAM rather than sysRAM0.
- Initial support based off Timesys' implementation for Freescale's Vybrid Tower System TWR-VF65GS10:
- New machine ID.
- Default UART_A on SCI0.
- ESDHC2 only.
- 8-bit NAND.
- No quad SPI.
- FEC1 only.
- Enabled command line editing.
- PLL5 based RMII clocking (e.g. no external crystal).
- UART_A, UART_B and UART_C I/O muxing.
- Linux kernel:
- Hackish USBH_PEN implementation.
- Setup memory if mem= is not passed to kernel.
- Enable RTS/CTS on UART_A aka UART0 and UART_B aka UART2.
- Integrate backlight using both BL_ON GPIO and PWM<A>.
- Re-worked IOMUX pin muxing.
- Disable magic SysRq key configuration as this is not only a potential
security thread but can cause serious trouble if for some reason UART pins
are left floating and therefore cause unexpected break conditions.
- Decrease DMA zone size configuration.
- Enable tmpfs POSIX ACL configuration.
- Re-enable L2 cache kernel configuration as it is now only enabled if actually present on chip.
- Implement resistive touch screen driver using ADCs and GPIOs.
- Add Eon Silicon Solutions manufacturer ID and integrate mxc_nand platform data handling.
- Disable NAND controller software ECC in order to use hardware ECC.
- Enable ADC driver as well as debugfs file system.
- Fix DCU clock rounding, set DCU clock to 150.7 MHz, increase display pin drive strength and
configure DCU for VESA VGA with a 30 MHz pixel clock
- Enable CPU idle, NEON, ASRC and printk time.
- Initial support based off Timesys' implementation for Freescale's Vybrid Tower System TWR-VF65GS10:
- New machine ID.
- FEC1 only.
- ESDHC2 only with card detect interrupt.
- PLL5 based RMII clocking (e.g. no external crystal).
- VESA VGA display timing (tested with 5.7" EDT ET057090DHU).
- Default UART_A on SCI0.
- UART_A and UART_C I/O muxing.
- I2C real time clock on carrier board.
- Early boot console support.
- 8-bit NAND.
- rootfs / oe-core:
- OpenEmbedded: layers from dylan
xserver version 1.14
gtk+ 2.24.15
midori 0.5.0
- NEON and hard float enabled build
- feed-config: use the new feed armv7ahf-vfp-neon
- evdev: backport V2.8.1 from dora to get a fix for multitouch events
- browser: use midori
- burnflash: script for configblock generation
- systemd-journald: limit journal size
- sources git.toradex.com linux/u-boot branches colibri_vf tag Colibri_VF50_LinuxImageV2.1Beta1_20131022
Known Issues:
- LVDS aka TFTLCD resolution hard-coded in kernel to VESA VGA resolution.
********************************************************************************
Notes:
- 115200 baud serial debug console on UART0 aka FFUART (lower X25 on EvalBoards resp. X27 on V3.1a depending on JP17/19, X13 on Iris) without any handshake
- user account: root with empty password
- UBIFS flash root file system
- opkg package manager
- Linux host used for update preparation requires proper 32-bit execution environment (e.g. install ia32-libs on 64-bit Ubuntu) and awk (e.g. install gawk on Ubuntu)
Working:
- U-Boot boot loader
- environment storage in NAND flash or on MMC/SD card
- Ethernet
- MMC/SD cards
- RAM size auto detection
- serial console debug UART0
- Toradex Colibri configuration block handling
- module type auto detection
- Linux kernel
- GPIOlib /sys/class/gpio
- temperature sensor /sys/class/hwmon/hwmon0/device/temp1_input
- RTC (Vybrid internal without wakeup support and board level I2C RTC)
- Ethernet eth0
- NAND flash MTD UBIFS
- serial console debug UART0
- Serial UART_A/UART_B and UART_C up to 921600, including RTS/CTS
- I2C via /dev/i2c-X
- MMC/SD card ESDHC2
- PWM LEDs /sys/class/leds/
- Colibri VF61: AC97 resistive touch (early version, load module kernel-module-snd-soc-wm9712/kernel-module-mvf-sai-ac97)
- SPI via /dev/spidev1.0
- framebuffer console
- custom Ethernet MAC Address
- serial number and board revision
- watchdog
- USB host port
- USB raw HID device /dev/hidrawX
- analogue inputs /dev/mvf-adc.{0|1} (see http://developer.toradex.com/knowledge-base/adc-(linux)#Colibri_VFxx)
- power management (standby is LPRun, suspend-to-mem is Stop mode)
- Linux user-space
- graphics (DCU aka parallel RGB)
- Midori browser
- GPIO config tool
- LXDE
- Cortex M4 utility mqxboot
- Communication library libmcc
Not working or not tested:
- U-Boot boot loader
- USB keyboard
- USB storage as host
- framebuffer support
- Linux kernel
- CAN (Vybrid internal)
- USB audio driver
- USB webcam
- USB device Ethernet RNDIS
- automatic USB device/host detection aka OTG support
- optional parallel camera interface
- IrDA
- RS-422/485
- Colibri VF61: Aanalogue audio
*************************************************************
NAND Boot: Colibri VF50 V1.0a and Colibri VF61 V1.0b (Sample)
*************************************************************
If the boot loader in NAND got corrupted SD card boot as described further down can be used as a means of recovery.
Initial Preparation:
- download and extract Colibri_VF_LinuxImageVx.yz.tar.bz2 package with root permissions
- use any VFAT formatted SD resp. uSD card with at least 100 MB of free space
- optionally format the SD resp. uSD card using the format_sd.sh script (warning everything will be erased)
- run update.sh script with optional -o argument pointing to mount point of above mentioned card
Flash NAND:
- EvalBoard V3.1a
- 115200 baud serial debug console on UART0 aka FFUART (lower X25 resp. X27 depending on JP17/19) without any handshake
- insert above prepared SD card into SD card/MMC SDIO-socket (X15)
- Iris V1.1a
- 115200 baud serial debug console on UART0 aka FFUART (X13) without any handshake
- insert above prepared uSD card into uSD card holder (X10)
- apply power or reset
- hit any key to stop auto booting
- use 'mmc part 0 ; fatload mmc 0:1 $loadaddr flash_mmc.img ;source' commands
- use 'run update' command
Boot from NAND:
- EvalBoard V3.1a or Iris V1.1a
- above given update command should automatically perform a soft re-boot upon successful completion
- optionally power cycle
- upon first boot post-install scripts are run which takes around 2 minutes, please be patient
****************************************************************
SD Card Boot: Colibri VF50 V1.0a and Colibri VF61 V1.0b (Sample)
****************************************************************
If the boot loader in NAND got corrupted this can also be used as a means of recovery.
Initial Preparation:
- EvalBoard V3.1a
- select SD boot bootstrap option
- pull the following X8 pins down aka to ground with 1 k ohm resistors: 23 and 33
- pull the following X8 pins up aka to 3.3 volt with 1 k ohm resistors: 21, 27, 34 and 44
- download and extract Colibri_VF_LinuxImageVx.yz.tar.bz2 package with root permissions
Flash SD Card:
- use any SD resp. uSD card of at least 100 MB capacity
- format and flash SD resp. uSD card using format_sd.sh script giving -d argument pointing to
device file of SD card and -f argument (warning everything will be erased)
Boot from SD Card:
- EvalBoard V3.1a
- insert SD card into SD card/MMC SDIO-socket (X15)
- apply power or reset
- upon first boot post-install scripts are run which takes around 2 minutes, please be patient
Toradex, March 18, 2014
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