Re: Problems with TI 1225 PCI->Cardbus adapter....

On Wed, Jun 18, 2003 at 10:57:48AM -0400, Steven J. Hill wrote:
> 
> I have been pulling my hair out trying to get a PCI-Cardbus adapter
> working. It is a ActionTec PC750 which uses the TI PCI-1125 chip.
> More here (http://www.actiontec.com/support/readers/pc750.html).
> Anyway, you can see the log output below for my kernel version
> and card services version. At the end I plugged in a compact flash
> adapter and got that final message. Also, if I do a 'cardctl ident 1'
> I get 'no product info available'. My PC is a MSI K7D Master L which
> is a dual Athlon machine if that makes any difference at all. I also
> passed "irq_mode=1 pci_csc=0 poll_interval=100" for the PCIC_OPTS
> and it made no difference. I tried compiling PCMCIA support into the
> kernel and multiple versions of card services. I have also googled
> as much as I can and came up with nothing. Does anyone have some
> insight? Thanks.

Probably, the problem is that the card is behind a PCI-to-PCI bridge
that is only forwarding limited ranges of IO and memory transactions.
You may be able to deduce what these ranges are from the output of
'lspci -v'.  Look for the PCI bridge device and see if there are lines
like:

> I/O behind bridge: 00002000-00002fff
> Memory behind bridge: f0200000-f02fffff

Then put these ranges in your /etc/pcmcia/config.opts file.

I recommend using the kernel PCMCIA subsystem.  There are still
problems with the 2.4.* PCI subsystem handling multiple PCI busses
like this correctly, however, and you may also want to try the latest
2.5.* kernels too.

-- Dave


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