Re: [RFC] PCI bridge driver rewrite

Jesse Barnes
2005-02-28T23:39:10Z

On Monday, February 28, 2005 3:27 pm, Adam Belay wrote:
> How can we specify which bus to target?

Maybe we could have a list of legacy (ISA?) devices for drivers like vgacon to
attach to? The bus info could be stuffed into the legacy device structure
itself so that the platform code would know what to do.

> Also is the legacy IO space mapped to IO Memory on the other side of the
> bridge?

How do you mean? Legacy I/O port accesses just become strongly ordered memory
transactions, afaik, and legacy memory accesses are dealt with the same way.

Jesse