https://support.tq-group.com/ 2026-04-27T18:40:20+00:00 https://support.tq-group.com/ https://support.tq-group.com/_media/logo.png text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/backlight?rev=1738063030&do=diff Switch on the backlight using sysfs The following command can be used to turn on the backlight of the display: root@tqma35 $ echo "1" > /sys/devices/platform/mx3_sdc_fb/graphics/fb0/mx3_sdc_bl0/bl_power To check the value it can be read out using text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/configuration?rev=1738063030&do=diff TQMa35 configuring U-Boot Kenel via TFTP and rootfs via NFS This describes how to configure the U-Boot, to boot the kernel via TFTP and the rootfs via NFS on the TQMa35. The TQMa35 must be started to get into U-Boot. Stop the auto-boot countdown by pressing a key. The following must be configured in the U-Boot command shell: text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/konfiguration?rev=1738063030&do=diff TQMa35 configuring U-Boot Kenel via TFTP and rootfs via NFS This describes how to configure the U-Boot, to boot the kernel via TFTP and the rootfs via NFS on the TQMa35. The TQMa35 must be started to get into U-Boot. Stop the auto-boot countdown by pressing a key. The following must be configured in the U-Boot command shell: text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/linux_gpio?rev=1738063030&do=diff Configuring the GPIOs If you want to use certain pins of the TQMa35 as GPIO and configure their characteristics, you must turn on both the GPIO's support for the Linux kernel, as well as explicitly request the pin as GPIO in the kernel driver for the board. The pin configuration can also be set in the driver. text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/linux_kernel?rev=1738063030&do=diff Compiling the Linux kernel Preparation Installing the source code management system. user@ubuntu:~$ sudo apt-get install git-core stgit uboot-mkimage Create a directory for the Linux source code: user@ubuntu:~$ mkdir ~/src user@ubuntu:~$ cd ~/src text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/linux?rev=1738063030&do=diff Installing Linux using U-Boot Attention: Use at your own risk! Do not try if no JTAG debugger is available and/or nobody can use it. Linux kernel Start the TQMa35 and then stop the bootloader U-Boot. U-Boot 2010.06-00005-gb029844 (May 11 2011 - 15:34:02) CPU: Freescale i.MX35 at 532 MHz Board: TQMa35 [2.0 [RST] I2C: ready DRAM: 256 MiB Flash: 32 MiB In: serial Out: serial Err: serial MMC: FSL_ESDHC: 0, FSL_ESDHC: 1 Net: FEC0, smc911x-0 Hit any key to stop autoboot: 0 MX35 … text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/ltib?rev=1738063030&do=diff Installing LTIB (Linux Target Image Builder) Preparation Requirements This guide is based on an Ubuntu system from version 10.04. It can either be a native operating system or an installation in a virtual machine. Download installation sources Either copy the source file (L2.6.35_11.01.00_ER_source_tq.tar.gz) from the supplied CD or download the LTIB TQMa35 package, which contains the source file, from text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/uboot_update?rev=1738063030&do=diff Update U-Boot To update U-Boot with U-Boot via TFTP the file u-boot.bin has to be copied to the TFTP directory. user@ubuntu:/.../src/u-boot$ sudo cp u-boot.bin /tftpboot/ The following command has to be executed in the target in U-Boot: MX35 U-Boot > run prg_uboot text/html 2025-01-28T11:17:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/tqma35/uboot?rev=1738063030&do=diff Compile U-Boot Download and extract the archive with the patches. Then download the basic version using git. user@ubuntu:/.../src$ git clone http://git.denx.de/u-boot.git u-boot user@ubuntu:/.../src$ cd u-boot/ user@ubuntu:/.../src/u-boot$ git checkout -b v2010.06 a59e27997637a2395ae2cc7f809127f24119a167 user@ubuntu:/.../src/u-boot$ stg init user@ubuntu:/.../src/u-boot$ stg import -t -s ~/source/uBoot/patches-tqma35_2010.06/series