To prepare a SD card, download cfimager, download uboot (depending on your module configuration use 1GB, 2GB or 512MB uboot version).
![u boot download u boot download](https://wallup.net/wp-content/uploads/2015/07/submarine-fish.jpg)
Sometimes, you may want to boot uBoot from SD card. IMX6 Rex always boots up from the on-module SPI (this is defined by eFuses).
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Watch the serial console, u-boot should now start. Set it to Baud rate: 115200 / Data: 8 / Parity: none / Stop bit: 1 / Flow control: none.Ĩ. Connect iMX6 Rex serial port with null modem cable to your windows machine and run Hyperterminal (or download and use Tera Term). The USB series resistors must be in positions: R62 Fitted / R65 Fitted / R63 Not Fitted / R67 Not Fitted.ħ. If you have already programmed efuses, JP2 must be fitted. If your module is completely new, JP2 must not be fitted. Connect iMX6 Rex micro USB (J21) with your Windows computer. Then you need check if the u-boot from Linux host was uploaded to your Windows “ Mfgtools-Rel-4.1.0_130816_MX6Q_UPDATER\Profiles\MX6Q Linux Update\OS Firmware\” directory (e.g. Set TFTPD32 as you can see on the screenshot – use your Linux host IP, set your Mfgtools directory and press “GET” button.
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Download & Install TFTPD32 on your local Windows machine.Īfter the installation, go to “ Mfgtools-Rel-4.1.0_130816_MX6Q_UPDATER\Profiles\MX6Q Linux Update\OS Firmware\” and create an empty u-boot.bin fileĥ. The next step is to prepare TFTP client software for file transfer between Linux host computer and your Windows computer. Open the file Mfgtools-Rel-4.1.0_130816_MX6Q_UPDATER\cfg.ini and replace “name = Sabre-SD” with:Ĥ. Find “LIST name=”Sabre-SD-K3.5.7″ desc=”Choose SD as media for kernel 3.5.7″ and just above this line place:ģ. Open “ Mfgtools-Rel-4.1.0_130816_MX6Q_UPDATER\Profiles\MX6Q Linux Update\OS Firmware\ucl2.xml“Ģ.
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We need to do some changes in the config files. Register on the Freescale website, login, download Mfgtools-Rel-4.1.0_130816_MX6Q_UPDATER and unpack it. Run uBoot on an empty module (a fresh module just coming from production)