[yocto] Yocto on OnBoard Intel Galileo Flash

[Chris Simmonds]

Hi Nick,

The Galileo board has 8 MiB of NOR flash connected via SPI. That is not
enough for any meaningful embedded Linux image created by Yocto Project.
Even if you were to build an image less than 8 MiB, it still wouldn't
help because the Galileo needs that memory for the UEFI boot loader.

There is a very good write up of the way the Quark chip boots here:

"Anatomy of the UEFI Boot Sequence on the Intel Galileo"
http://blog.hansenpartnership.com/anatomy-of-the-uefi-boot-sequence-on-the-intel-galileo/

And there is a guide on how to write a new UEFI loader to the SPI flash
here:
"Programming SPI Flash with UEFI Internal Shell for Intel® Galileo Boards"
http://www.intel.co.uk/content/www/uk/en/support/boards-and-kits/intel-galileo-boards/000006212.html

Cheers,
Chris

On 30/03/2019 22:33, nick wrote:
> Greetings All,
> 
> What is the best way to put a image on the 8mb of Yocto onboard flash or is
> this not possible with the Yocto Project.
> 
> Nick
> 


-- 
Chris Simmonds, trainer and consultant at 2net
http://www.2net.co.uk
Author of "Mastering Embedded Linux Programming"