Re: [coreboot] flashrom on MCP73

[Carl-Daniel Hailfinger]

On 15.01.2009 18:12, Fabrício Ceolin wrote:
> Hi,
>
> On Wed, Jan 14, 2009 at 9:36 PM, Peter Stuge  wrote:
> > Fabrício Ceolin wrote:
> > > We are trying to make flashrom work on
> >
> > http://www.ecs.com.tw/ECSWebSite/Products/ProductsDetail.aspx?detailid=858&a...
> > > Chipset MCP73 / SIP chipset Macronix MX25L8005.
> >
> > First you have to figure out what chip is the SPI bus master. I
> > suggest powering off the board and using a continuity tester to check
> > if most flash chip pins are connected to the superio chip. (The
> > superio is the chip between the PCI slots and the CMOS battery. It
> > may have an AMI BIOS sticker on it, just peel that off and look at
> > what is etched underneath.)
>
> We made these tests. There are a superio, but the bios chip isn't connect to
> it. The bios chip is directly connected to the chipset MCP73.
>
> So, I need to the datasheet of MCP73 to implement it.

Good luck!
> Anybody have a MCP55 spec? Maybe is likely!

MCP55 does not support SPI, so the MCP55 spec will not help you. Sorry.

If you are lucky and get the MCP73 specs, please tell us how you got
them and who was your contact at Nvidia. Maybe someone else wants them
as well.

Regards,
Carl-Daniel