Re: Proposal: non-PC ISA bus support

From: Richard Henderson (rth@twiddle.net)
Date: Thu Jun 22 2000 - 02:19:16 EST


On Thu, Jun 22, 2000 at 08:45:47AM +0200, Geert Uytterhoeven wrote:
> But with ioremap() you cannot specify where it has to be mapped, right? So
> you're still stuck with an offset.

Huh? Who cares where it's mapped. "Some unused space."
A pointer is a pointer.

In my case there is a direct correlation between the "base address"
and the "ioremaped address" -- the addition of a constant. That's
the win for using 64-bit pointers. ;-)

> > the ISA bus is contained within exactly one PCI hose.
>
> Which is not the case on some boxes :-(

The only machines I knew about that had this were the DEC NUMA
machines. What does your bus configuration look like?

r~

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