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SubjectPCI1410 Interrupt Problems
Hi,

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...

Thanks,
--jochen

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