Re: PCI: BIOS forgot to enable I/O

Martin Mares (mj@atrey.karlin.mff.cuni.cz)
Tue, 31 Mar 1998 16:46:19 +0200


Hi,

> how can one subscribe to the linux-pci list ? Is it archived somewhere ?

Send message to listproc@atrey.karlin.mff.cuni.cz with one line
"subscribe linux-pci Your Full Name". The archive should be available,
try listproc's help ("help").

> Yes they should be shot, but I think that we shall end up needing code
> to allocate both memory and I/O address space. My feeling is that these
> BIOSes do not even set up the base registers in the configuration
> space ! And reallocation of the resources is quite a mess. I've been
> somewhat working on this because of problems with PPC boards. IRQs are
> a different problem, but they are easy to solve on PPC boards because
> you get a table describing the mappings from slot interrupt lines
> A/B/C/D to interrupt controller inputs.

I think of adding an option forcing the kernel to re-address all
PCI devices -- it should solve lots of known problems with broken BIOS'es.

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Immanuel doesn't pun, he Kant."

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