On Wed, 2004-09-08 at 09:17, Richard Smith wrote:
Ronald G. Minnich wrote:
I'm changing the subject to something more specific.
think is the "right" way then I'm game. And if someone will guide me through what needs to be done in the PCI allocation stuff I'll give it a whirl but at first blush that PCI allocation stuff appears fairly complex.
For V1, we're not too worried about pretty. I'll try to work up an example for you.
Dude, you've got plenty to do.... A few rough explanations on whats going on may be all I need.
I dug through the PCI code last night and I seem to be getting the jist of how it goes. I don't quite yet grok the actual allocation "scheme" but the magic seems to be happening in pci_set_resource() in linuxpci.c and compute_allocate_resource in newpci.c.
Neither of these seem to understand expansion roms. What resource flags will be set for a device with expansion roms? MEM? but with perhaps with IORESOURCE_SHADOWABLE? I don't see anything specific to expansion roms.
I don't think either V1 or V2 can do expansion ROM. It is the first thing on my todo list for porting testbios into LB.
The red book so far hasn't been much help. Or I just haven't found the right section. Eric (or anybody else): where did you get your info when you re-factored all this code?
What's red book ?
Ollie