Forlinx OKA40i-C

This is a professional development board built around Forlinx's "automotive" FETA40i-C system-on-module based on the A40i chip.

= Identification = The SOM has "FETA40i-C" silkscreened on it in the upper left corner; The carrier devboard has "OKA40i-C [version]" near the fullsize SD card slot.

= Sunxi support =

Current status
Manufacturer-provided images/sources available (kernel 3.10).

Experimental support with mainline U-Boot. Current sort-of-working code available at https://github.com/flashcactus/u-boot/tree/sunxi-feta40i-config.

Images
Apparently provided by the board/SoM manufacturer to customers only. Contains Allwinner BSP based images, SDKs, schematics and other information, with the usual complete ignorance towards mainline work.

Manual build
No mainline support yet. Experiments should start off the other R40/A40i boards. DRAM is apparently dual-rank, which is not yet supported by mainline U-Boot (but you can try to make it work anyway if you really want).

You can(not yet) build things for yourself by following our Manual build howto and by choosing from the configurations available below.

Sunxi/Legacy U-Boot
Passed over in favor of mainline U-Boot.

Mainline U-Boot
Use the repository at https://github.com/flashcactus/u-boot/tree/sunxi-feta40i-config, using the OKA40i build target.

Sunxi/Legacy Kernel
Use the  file.

Mainline kernel
Use the  device-tree binary.

= Tips, Tricks, Caveats =

FEL mode
The "Boot" button next to the reset button triggers FEL mode.

= Adding a serial port =

Standard DB9 serial connector gives access to the debug UART.

= Pictures =

= Also known as =

= See also =