Messages in this thread | | | Date | Sun, 3 Aug 2003 22:23:15 +0100 | From | Russell King <> | Subject | Re: PCI1410 Interrupt Problems |
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On Sun, Aug 03, 2003 at 10:15:09PM +0200, Jochen Friedrich wrote: > when using this PCI Cardbus bridge, i got an interrupt assigned to the > card by the BIOS, but no interrupts were ever delivered, at all. So no > insert/remove events have been handled and devices couldn't generate > interrupts, as well: > > 02:0a.0 Class 0607: 104c:ac50 (rev 01) > 02:0a.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 01) > Flags: bus master, medium devsel, latency 168, IRQ 9 > Memory at 14000000 (32-bit, non-prefetchable) [size=4K] > Bus: primary=02, secondary=03, subordinate=06, sec-latency=176 > Memory window 0: 14400000-147ff000 (prefetchable) > Memory window 1: 14800000-14bff000 > I/O window 0: 00004000-000040ff > I/O window 1: 00004400-000044ff > 16-bit legacy interface ports at 0001 > > It looks like the designers of this card "forgot" to put a sane > configuration of the Multifunction Routing Register (0x8C) in their > EEPROM. After setting up the INTA output pin of the PCI1410, the device > started to work like a charm :-) > > This i added to yenta_config_init(): > > config_writew(socket, 0x8C, 0x02); > > I'm not sure if this will help with all of these devices of if it even > makes problems on others. But it might be an idea to add a config option > for this hack...
Can you provide the kernel messages without the hack applied please?
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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