2.1 KiB
2.1 KiB
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 | :doc:`../../soc/cavium/cn81xx/index` |
+---------------+----------------------------------------+
| CPU | Cavium ARMv8-Quadcore `CN81XX`_ |
+---------------+----------------------------------------+
.. _CN81XX: https://www.cavium.com/product-octeon-tx-cn80xx-81xx.html