Re: [coreboot] v3 compilation failures

[Uwe Hermann]

On Mon, Jan 21, 2008 at 01:42:21PM -0700, Marc Jones wrote:
> I looked at the smbus spec (it is public) and didn't see anything about 
> 10bit address.
> http://smbus.org/specs/
>
> "SMBus addresses are 7 binary
> bits long and are conventionally expressed as 4 bits followed by 3 bits 
> followed by the letter ‘b’, for
> example, 0001 110b. These addresses occupy the high seven bits of an 
> eight-bit field on the bus. The low
> bit of this field, however, has other semantic meaning that is not part 
> of an SMBus address"

The I2C spec has an optional 10bit addresing feature. I2C is similar
(and mostly compatible) but not identical to SMBus; I'm not sure if the
10 bit addressing is available in SMBus.

Uwe.