diff options
Diffstat (limited to 'release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt')
| -rw-r--r-- | release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt | 55 |
1 files changed, 32 insertions, 23 deletions
diff --git a/release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt b/release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt index 98bf4cb..e5609f9 100644 --- a/release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt +++ b/release-notes/Apalis_iMX6_LinuxReleaseNotesV2.x.txt @@ -29,14 +29,16 @@ Known Issues: connected before boot or change the output source between DAC/LineIn - on first boot the resizing process adversely affects system performance for the first few minutes until completed -- display resolution can be set for some output configurations, set the u-boot +- Display resolution can be set for some output configurations, set the U-Boot environment variable vidargs accordingly. Some vidargs_xx variables provided for reference. -- backlight PWM BKL_PWM (hard-coded to 0 in u-boot > full brightness on a EDT +- backlight PWM BKL_PWM (hard-coded to 0 in U-Boot > full brightness on an EDT display) - X uses only the fb0 device - video decoding leaks resources, after a while it stops working - initial rootfs must fit in RAM, i.e. it must not be greater than ~900MB +- SSH password authentication is disabled by default (see PasswordAuthentication + setting in /etc/ssh/sshd_config) ******************************************************************************** Notes: @@ -46,8 +48,9 @@ Notes: - eMMC: partition 1: vfat with kernel, partition 2 ext3 root file system - opkg package manager - HDMI aka DVI-D: not all pixel clock frequencies allow for HDMI audio -- 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) +- 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 on latest image: - U-Boot boot loader @@ -69,7 +72,8 @@ Working on latest image: - 4-bit SD card mmc2 - HDMI audio - analogue audio playback and resistive touch - - audio noise is high, workaround is to set headphone volume to maximum and use the DAC volume + - audio noise is high, workaround is to set headphone volume to maximum and + use the DAC volume - SPI via /dev/spidev0.0 aka SPI1 and /dev/spidev1.0 aka SPI2 - custom Ethernet MAC Address - serial number @@ -146,38 +150,43 @@ Flash eMMC: or regular USB cable - insert above prepared SD card into MMC SDIO-socket (X18) - Ixora V1.0a - currently not supported, the update scripts will have to be updated to use mmc 2 and not mmc 1 + currently not supported, the update scripts will have to be updated to use mmc + 2 and not mmc 1 - connect serial debug console to X21 using null modem RS-232 cable and a 10 pin IDC to 9 pin D-sub male connector. (DTK or Intel standard) - insert above prepared SD card into SD card/MMC SDIO-socket (X10) -- Boot to u-boot prompt and start the update: +- Boot to U-Boot prompt and start the update: - apply power or reset - hit any key to stop auto booting - - use 'run setupdate' u-boot command and then - - use 'run update' u-boot command + - use 'run setupdate' U-Boot command and then + - use 'run update' U-Boot command Boot from eMMC: - EvalBoard V1.0a or Ixora V1.0a - power cycle -- upon first boot post-install scripts are run which takes around 2 minutes, please be patient +- upon first boot post-install scripts are run which takes around 2 minutes, + please be patient -If the boot loader on the module got corrupted this recovers it by loading u-boot -over USB into the module's RAM and executing it there: +If the boot loader on the module got corrupted this recovers it by loading U-Boot + over USB into the module's RAM and executing it there: - EvalBoard V1.0a - - connect USB micro A/B (X49) or USB B (X50) to development workstation using micro or regular USB cable + - connect USB micro A/B (X49) or USB B (X50) to development workstation using + micro or regular USB cable - Ixora V1.0a - currently not supported, the update scripts will have to be updated to use mmc 2 and not mmc 1 - - connect USB micro A/B (X9) to development workstation using regular micro USB cable - - make sure JP2 is removed and nothing is connected to the lower USB host port X8 + currently not supported, the update scripts will have to be updated to use mmc + 2 and not mmc 1 + - connect USB micro A/B (X9) to development workstation using regular micro USB + cable + - make sure JP2 is removed and nothing is connected to the lower USB host port + X8 - for more information please consult Ixora datasheet section 3.3 and chapter 4 -- have the module in recovery mode and load u-boot over USB to the module's RAM: +- have the module in recovery mode and load U-Boot over USB to the module's RAM: - lsusb should show a 15a2:0054 Freescale Semiconductor, Inc. device if the module is in recovery mode - - if you have a 32-bit Linux host, replace imx_flash/imx_usb with its 32-bit version imx_flash/imx_usb.m32 i.e. - sudo mv imx_flash/imx_usb imx_flash/imx_usb.m64; sudo ln -s imx_usb.m32 imx_flash/imx_usb + - if you have a 32-bit Linux host, replace imx_flash/imx_usb with its 32-bit + version imx_flash/imx_usb.m32 i.e. sudo mv imx_flash/imx_usb + imx_flash/imx_usb.m64; sudo ln -s imx_usb.m32 imx_flash/imx_usb - run ./update.sh -d - - stop at the u-boot prompt and begin the update as stated above - - -Toradex, April 04, 2014 + - stop at the U-Boot prompt and begin the update as stated above +Toradex, April 8, 2014 |