[flashrom] ITE 8518 flashing through keyboard port

[awokd]

On Fri, May 25, 2018 9:32 am, Mike Banon wrote:
>> Directly flashing the SPI chip maybe be dangerous since the EC can
>> interfere unless the SPI chip is desoldered.
>
> EC will not interfere if the board will be powered off, and you could
> directly flash a SPI chip without desoldering by attaching a test clip to
> it (which is connected to a flashrom-supported programmer like a cheap
> CH341A). Examples of the instruction:
> https://www.flashrom.org/ISP ,
> http://dangerousprototypes.com/docs/Flashing_a_BIOS_chip_with_Bus_Pirate
> (for CH341A its the same, just a connection scheme and flashrom
> commands are a little bit different)

FWIW, I had a cheap board without any power isolation and an SPI chip
shared between EC and ME, and supplying power to the in-situ chip was
enough to power up EC. That blocked me from doing anything useful. It's
still on my pile to attempt to desolder some day and try again!