The Allwinner Tech Optimus Board by Merrii is the evaluation board for the Allwinner A80 SoC with big.LITTLE Cortex-A15/-A7 configuration (32-bit ARMv7).

The sources leaked from Allwinner contain GPL violations in U-Boot and Linux kernel and therefore won't easily build with openSUSE's armhf gcc (binaries seem to be softfp).

Initial mainline kernel support is being prepared for v3.19. I succeeded in booting via USB-loaded binary downstream U-Boot, but neither SD nor USB nor Ethernet were enabled yet, so no rootfs.

I have prepared a draft patch for adding MMC/SD nodes to the device tree a week before Hackweek Interstellar, which likely depends on forward-porting pinctrl drivers first.

Upstream U-Boot would be another area that A80 support could be contributed to, for native device tree support.

Looking for mad skills in:


This project is part of:

Hack Week 11



  • a_faerber
    about 5 years ago by a_faerber | Reply

    As a workaround transferring a full rootfs as initramfs (suggestion algraf) had failed with libusb errors from the fel tool.

  • a_faerber
    about 5 years ago by a_faerber | Reply

    Upstream work by others enabled USB, allowing me to successfully boot into an openSUSE armv7hl rootfs on a USB hard drive. SD is still not working.

  • a_faerber
    about 5 years ago by a_faerber | Reply

    U-Boot work-in-progress

Similar Projects

openSUSE/SLE/Mainline U-boot for some not-yet-supported ARM64 boards by ldevulder

The Khadas VIM ( is an a...

work on sunxi a64 cpufreq driver (for teres-1, pine64) by mbrugger

With the teres-1 [1] laptop we have a first arm...