[RFC] setting resources available to pcmcia
linux at brodo.de
Fri Jun 13 18:53:46 BST 2003
On Fri, Jun 13, 2003 at 07:12:27AM +0100, David Woodhouse wrote:
> On Thu, 2003-06-12 at 20:02, Dominik Brodowski wrote:
> > OK, let's get to more serious stuff now: the way PCMCIA reserves
> > resources. Here are my suggestions - at first without code, but this
> > may change soon.
> > _Requirements_
> > 1.) We need to deal with both static and window sockets -
> I have a window socket on a PCI bridge which is far from the root and
> doesn't have an ISA bridge anywhere near it -- hence doesn't see cycles
> for the whole address space.
I assume that a PCI-to-PCI bridge needs to be "above" the PCMCIA socket for
this to become true?
> It _must_ use memory in the range 0xf5000000-0xf50fffff and I/O in the
> range 0x2000-0x2fff, or it doesn't even get to see the PCI transactions.
> Currently this is done by an evil hack -- I configure cardmgr
> accordingly, and also see the 'membase' and 'isa_setup' module
> parameters in Marcelo's drivers/pcmcia/i82092.c.
Can the socket driver know this mem and I/O range?
I'm brewing up a new plan...
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