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#imx286 — Public Fediverse posts

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  1. Now that I've got some free time… I had a look at the boot-loader for the TS-7670. I have an old port of U-boot from about 2017 or so… but that does not build with modern gcc, so I had a go at porting it.

    No dice, it flatly refuses to boot… but I tried the `mx28evk` config: and *that* does… this is what I originally used for the TS-7670 port years ago, so maybe I need to circle back and have a look. Also Technologic Systems have got an official TS-7670 U-boot source tree too, so maybe I start bringing that up-to-date.

    This is what I see on the console booting the `mx28evm` build of U-boot… sure doesn't find the SD card (probably because pin muxing is wrong), but it at least gives it a solid crack and does something.

    ```
    HTLLCLLC

    U-Boot 2026.04-00179-g5727c33705f1 (May 31 2026 - 19:30:14 +1000)

    CPU: Freescale i.MX28 rev1.2 at 454 MHz
    BOOT: SSP SD/MMC #0, 3V3
    DRAM: 128 MiB
    Core: 91 devices, 13 uclasses, devicetree: separate
    NAND: 0 MiB
    MMC: MXS MMC: 0
    Loading Environment from MMC... MMC: no card present
    *** Warning - No block device, using default environment

    In: serial
    Out: serial
    Err: serial
    Hit any key to stop autoboot: 0
    MMC: no card present
    MMC: no card present
    Booting from net ...
    Unknown command 'dhcp' - try 'help'
    zimage: Bad magic!
    ```

    #UBoot #iMX286 #Linux