Sipeed Lichee RV

The test pin near the power LED is RST (reset).

Fex and kernel
The Fex are not available in the sunxi-board for now. Sipeed give them on their download server.

Patched version of Linux Kernel for Nezha platform

UART
The board has 4 pins holes at left of USB-C port for UART and is sold with the 4 pins to be soldered. The pins name are wrote at the back of the board. from Top to bottom: See the UART Howto for general usage of UART.
 * 5V
 * Ground
 * Rx
 * Tx

The pins should be soldered with pins at top top still be accessible when using the LicheeRV Dock.

Board can be powered by UART alone or by USB-C port.

Pins
Pinout of the M.2 connectors of the SoM is described in schematic file

Optional screen
There is an optional 320×240 LCD screen coming with the board. It uses Sitronix ST7789V controller (Datasheets). A driver in included in Linux mainline in FBTFT for using RGB port.

There is also a TinyDRM version of the driver.

For information, the connector and driver is compatible between LicheeRV and Sipeed Longan Nano, just need to adapt the resolution. It can be helpful in case of problem

Lichee RV Dock
This small board has a built-in mic, speaker port, reset button, one extra button, HDMI and USB ports, an FPC connector for a mic array, a 40 pin HAT style GPIO header, and an option for a Wi-Fi add-on SoM plus the corresponding antenna port.

Lichee RV 86 Panel
The Richee RV 86 Panel is a box with a 480×480 LCD touchscreen panel,

Boot and system support

 * A port of Oreboot (Rust version of Coreboot, so without C).
 * U-boot (See also Allwinner Nezha)
 * XBoot https://github.com/xboot/xboot bare-metal multimedia system that manage most of peripherals.
 * Debian, Tina and Ubuntu images are available from Sipeed mirrors (Some Tutorials, in Chinese):
 * One of Debian image can use HDMI, Windows only PhoenixCard tool must be used to create the card for Debian and Tina, then the fex file must be put with
 * Ubuntu image displays the TTY on the Lichee RV 86 Panel, keyboard can be used on Dock USB port. Archive include a readme about how to make the microSD card. In some cases, 80MB (163840) should be used instead of 40MB (81920, as wrote on the README) as start of the primary partition.

Sipeed Mirrors:
 * pan.Baidu (提取码/password)：wbef
 * Mega.nz
 * Other mirror for the OS images