On Sat, 3 Mar 2001, Grant Grundler wrote:
> Benjamin Herrenschmidt wrote:
> > Additionally, the same problem is true for ISA memory, when it exist
> > obviously.
>
> Really? I expected ISA memory to look like reguler uncacheable memory
> and the drivers would simply dereference the address. But I
>So once again I vote for the introduction of
>isa_{request,release}_mem_region(), just like we already have isa_readb() and
>friends.
Well, it's the same problem as the IO, there may be more than one ISA mem
region,
especially when you put 2 video cards on 2 different PCI hosts (even without a
P
On Sat, 3 Mar 2001, Benjamin Herrenschmidt wrote:
> With those two simple functions, we could at least
>
> - Have vgacon disable itself when there's no ISA memory (that can be
^^
> handled by
>reserving the region and thus preventing re
Benjamin Herrenschmidt wrote:
...
> The reason why I'm getting this problem on the public place (again ?)
> is that we are now faced with people who want to put video cards in both
> AGP & PCI busses, those cards requiring accesses to some legacy VGA IOs
> on each of their busses.
I don't see any
>Here are my comments directly responding to your mail.
Hi ! Thanks for taking the time to respond in details.
>Large systems have problems with I/O port space and legacy devices.
>There just isn't enough I/O port space to support large configs
>and ISA aliasing and all the other crud. That's wh
Benjamin,
Here are my comments directly responding to your mail.
Benjamin Herrenschmidt wrote:
> Hi Grant !
>
> My original mail is:
>
> Here's the return of an ld problem for which we really need a
> solution asap since it's now biting us in real life configurations...
>
> So the problem
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