[flashrom] Flashing a Winbond W25Q64FV using a RaspberrPI model B

[Stefan Tauner]

On Tue, 22 Mar 2016 01:08:41 +0100
Emanuele Santoro <manu at santoro.tk> wrote:

> 1. I do not trust this RaspberryPI completely (I bought it second hand, and it
> has always worked somehow weirdly). I will try with another RaspberryPI as soon
> as I can find someone to lend me one.

Good idea because the described behavior is not normal.

> 2. Is this chip even supported? Can support be added? If you suggest me what
> sources to look at I might try and add support for it myself, otherwise I'd be
> happy to help someone add support this chip.

Should be working fine.

> 3. does the "unknown SPI chip (RDID)" mean that the chip is damaged and needs 
> to be replaced?

More likely that the communication between the chip and flashrom does
not work as it should. This can have various reasons, see
https://www.flashrom.org/Common_problems

> 4. Shoud I get a Bus Pirate? Is it so much better than Raspberry PI at this
> sort of stuff?

It is worse - very slow - without any advantages.

> 5. Any hints / suggestions in general?

Providing verbose log files (generated with -o logfilename) might help
us diagnosing the issue.

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner