On 2017-03-07 at 04:29, taii...@gmx.com wrote:
> Today I noticed a new stretch goal about flashrom support (kinda late in
> the game), it seems pretty important to have this so I think that the
> stretch goal funding should be extended.
Fortunately, that stretch goal is now already funded.
> I had assumed that the BMC firmware would be stored in and loaded from
> the main coreboot flash image, or that there would be a shim loader
> installable on the bmc firmware module that would (as the BMC has DMA)
> load the firmware from memory for easy updating.
No, it's loaded from a Spansion S25FL128P flash chip on the (quite
simple) ASMB4 board:
https://images-na.ssl-images-amazon.com/images/I/81ALFe4U3CL._SL1500_.jpg
(It looks like the board is just a way for ASUS to sell copies of the
BMC firmware separately from the mainboard.)
> The requiring of the firmware module may be a problem for some people
> because apparently there are two different SKU's from asus one of which
> didn't ship with it and no retailers sell it separately.
>
> Also, If the stretch goal doesn't get funded is it possible to perform a
> "clean" flash with a test clip?
Yes, the S25FL128P on the BMC board is in a SOIC-16 package, and it's in
flashrom's flashchips struct. And there's nothing else on the board's
power rail that could cause problems with ISP. So I see no reason why
flashing with a test clip wouldn't work.
--
Patrick "P. J." McDermott: http://www.pehjota.net/
Lead Developer, ProteanOS: http://www.proteanos.com/
Founder and CEO, Libiquity: http://www.libiquity.com/
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