Re: [pci] about simulation

["Miha Dolenc" <mihad@opencores.org>]

Point to Point means that every configuration cycle the device detects is
meant for it, so it has to be accepted. Therefore I suppose, you do not need
an IDSEL pin. You should hardwire IDSEL pin of your "CardBus" target to
constant 1.

Regards,
Miha Dolenc

----- Original Message -----
From: <random_user@163.com>
To: <pci@opencores.org>
Sent: Thursday, July 25, 2002 7:59 AM
Subject: [pci] about simulation


> Hi all,
>      I am now working at the testbench and I have met with some
> problems.
>      1.Why there are two pci_behaviorial_device modules in the
> testbench? Isn't one enough?
>      2.I am trying to modify the testbench to be used in a CardBus
> project.But in the CardBus spec.there is no idsel pin,so when I use this
> testbench,an error occured:more than one device drive devsel
> simultaneously! When I read the CardBus spec.,I noticed that the
> Cardbus is a point to point bus,while PCI is a shared bus.What on earth
> does this mean and HOW would this influence the configuration access?
>
> Thanks!
>
> regards,
> wangc
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