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SubjectRe: Cardbus Bridge no IRQ in 2.4.6
On Sun, Jul 15, 2001 at 02:58:30PM +0200, Michael Stiller wrote:
> i have a PCI Cardbus Bridge which is getting no interrupt from
> the bios and during kernel boot. Is it possible to use the card anyway ?
> Maybe assign an interrupt manually ?
>
> The details:
>
> kernel 2.4.6 smp machine
>
> device in question:
>
> 00:0e.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller
> (rev 01)
> Subsystem: SCM Microsystems: Unknown device 3000
> Flags: bus master, medium devsel, latency 168
> Memory at 20000000 (32-bit, non-prefetchable) [size=4K]
> Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
> Memory window 0: 20400000-207ff000 (prefetchable)
> Memory window 1: 20800000-20bff000
> I/O window 0: 00001000-000010ff
> I/O window 1: 00001400-000014ff
> 16-bit legacy interface ports at 0001

Let me guess: a Lucent Orinico PCI adapter, right? It should work with
linux-2.4.6, I submitted a patch for 2.4.6-pre8 (or so) and it is
included in linux-2.4.6. I currently have it working on two non-SMP
systems (ALi 1541 and Intel 440FX chipsets).

> I enabled DEBUG in pci-i386.h and get the following messages:

[snip spooky PCI debug I don't understand anyway]

> Any clues ? Should i send more details ? If yes, which ones ?

Make sure that the Cardbus driver is not a module. IOW: your kernel
configuration should have these lines:

#
# PCMCIA/CardBus support
#
CONFIG_PCMCIA=y
CONFIG_CARDBUS=y
# CONFIG_I82365 is not set
# CONFIG_TCIC is not set


Erik

--
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands
Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/
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