Skip to content

SW Linux USBKeyboard

Linux USB keyboard

  • Got a USB keyboard working with an ramdisk root filesystem.
  • By booting the Asahi dart/dev kernel with USB3 XHCD, DWC3 and DART et cetera
  • Can use this Linux config file for M1 MacBook Air with USB as a base (doesn't enable gadget mode)
  • Modifying the initrd to just run /bin/sh (edit /init)
  • Booted it directly via python3.9 proxyclient/tools/linux.py -b 'earlycon console=tty0 console=tty0 debug' Image-dwc3.gz t8103-j274.dtb initrd-be2.gz
  • Where the Image-dwc3.gz is the Asahi dart/dev kernel, the t8103.j274.dtb built with that kernel, at linux/arch/arm64/boot/dts/apple/t8103-j274.dtb, and initrd-be2.gz is the modified debian Bullseye initrd to just run /bin/sh after the set up.

  • Then I used a Type-C to Type-A adapter to plug in a normal old USB Dell keyboard and enter commands into the /bin/sh running. Linux running on M1 macbook with input via external USB keyboard

  • You can go one step further and try booting a USB drive