Sony Ericsson Live With Walkman (sony-coconut)
The device does boot fine. SSH via USB is available. The display and touchscreen work.
What does not work
Other features not mentioned are untested.
How to enter flash mode
With the device powered off, hold the "volume up" button while connecting the USB cable. The LED should turn blue.
Due to the insufficent capacity of the internal memory, the rootfs image must be installed on an microSD card. It is suggested to install using the netcat method, using as target device the entire microSD card (/dev/mmcblk0).