Bit banging SPD code

Eric W. Biederman ebiederman at
Thu Jan 22 18:36:01 CET 2004

"Peter Fox" < at> writes:

> I would like to make the STPC elite ram initialisation use SPD info.
> I notice that all the existing SDRAM initialisation that uses
> SPD seems to use some kind of SPD controller. Is this true ?

> The STPC elite only provides a bit banging SPD interface, has
> anyone implemented smbus_read_byte etc with a bit banging interface ?

Not for LinuxBIOS so it looks like you have some work ahead of you.
On the plus side a bit banging interface since you get more control
provides the opportunity for more robust error handling.


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