# Elgon

This page describes how to run coreboot on the Elgon compute board from OpenCellular.

## TODO

- Add hard reset control

## Flashing coreboot

Type | Value
--- | ---
Socketed flash | no
Model | W25Q128
Size | 16 MiB
In circuit flashing | yes
Package | SOIC-8
Write protection | No
Dual BIOS feature | No
Internal flashing | yes

### Internal programming

The SPI flash can be accessed using flashrom.

### External programming

The EVT board does have a pinheader to flash the SOIC-8 in circuit. Directly connecting a Pomona test-clip on the flash is also possible.

Total board view of EVT

Closeup view of SOIC-8 flash IC and USB serial connector of EVT (marked blue)

SPI header (marked blue)

SPI header pinout

Dediprog compatible pinout.

## Technology

SoC | Cavium CN81xx documentation
CPU | Cavium ARMv8-Quadcore CN81XX