Reproducible Linux bring-up trees, custom device trees, out-of-tree drivers, and headless compute conversions for tablets and repurposed phone motherboards. Each device page documents verified hardware status, boot architecture, and open engineering gaps.
| Device | SoC & Arch | Kernel | OS / Userland | Boot Path | Status | Links |
|---|---|---|---|---|---|---|
Exper Easypad 8 (Model T8E)
sun6i-a31s-exper-t8e
|
Allwinner A31s (4× Cortex-A7 @ 1.2 GHz) ARMv7 | Mainline Linux 7.2 | Alpine Linux 3.20 (OpenRC) | Non-destructive MicroSD (U-Boot 2024.x SPL) | Active | Details · Repo |
Xiaomi Mi 8 (dipper)
xiaomi-dipper
|
Qualcomm Snapdragon 845 (SDM845) aarch64 | Mainline Linux 7.1.0-rc1-sdm845 | postmarketOS edge (Alpine / OpenRC) | UFS userdata rootfs + boot partition (slot A) | Active | Details · Repo |
Piranha Business II Tab
crane-a702jhorange
|
Allwinner A10 (Cortex-A8 @ 1.4 GHz) ARMv7 | Mainline Linux 7.2 | Alpine Linux 3.20 (OpenRC + X11/JWM) | Non-destructive MicroSD (U-Boot SPL sector 8) | Active | Details · Repo |
Xiaomi Redmi 7A (pine)
xiaomi-pine
|
Qualcomm Snapdragon 439 (SDM439) aarch64 | Mainline-near Linux 7.1.3-msm89x7 | postmarketOS edge (Alpine / OpenRC) | Internal eMMC via lk2nd 23.1 Bootloader | Experimental | Details |
Mainline Linux 7.2 and Alpine 3.20 port for the Allwinner A31s tablet with DRM LVDS/HDMI, Cedrus video decode, SGX544 MP2 GPU bring-up, and a wireless Android Auto head unit.
Mainline Linux 7.1.0-rc1 port for the Xiaomi Mi 8 (Snapdragon 845, 6 GB RAM, 128 GB UFS) with Samsung EA8074 AMOLED DRM panel, Adreno 630 Freedreno GPU, ST FTS5 touchscreen, TAS2557 + WCD9340 audio, and 60–80% battery charge limiting.
Mainline Linux 7.2 and Alpine Linux 3.20 bring-up for the Allwinner A10 tablet, featuring a custom out-of-tree Goodix GT827 capacitive touchscreen driver.
Snapdragon 439 headless Linux node booting mainline-near Linux 7.1.3 via lk2nd, trimmed to ~140 MB idle RAM with OpenRC WCNSS remoteproc boot-race fixes and hardware watchdog supervision.
