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From: Anatolij Gustschin <agust@denx.de>
To: Peter LaDow <petela@gocougs.wsu.edu>
Cc: linuxppc-dev@lists.ozlabs.org, David Hawkins <dwh@ovro.caltech.edu>
Subject: Re: Failure to detect PCI card
Date: Tue, 6 Aug 2013 22:03:23 +0200	[thread overview]
Message-ID: <20130806220323.09f88389@crub> (raw)
In-Reply-To: <CAN8Q1EfWOedMFKtFQbTmmydnLoLe24=c3Fo1Ao3sTdDmuYBJqQ@mail.gmail.com>

On Mon, 5 Aug 2013 16:14:29 -0700
Peter LaDow <petela@gocougs.wsu.edu> wrote:
...
> Perhaps it is a BIOS option ROM like you suggested earlier.  The
> 3c90xC reference manual I found
> (http://people.freebsd.org/~wpaul/3Com/3c90xc.pdf) mentions an option
> ROM (and there is an Atmel part stuffed).  I can't find any technical
> information on the FA331 (yet), so I don't know about it.
> 
> But regardless, wouldn't enumeration have to occur before any option
> ROM could even be used?

Yes. If the device didn't respond with its Device- and Vendor-ID
when reading its configuration space, then it cannot be configured
and reading the expansion ROM won't work.

Thanks,

Anatolij

  parent reply	other threads:[~2013-08-06 20:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-05 17:58 Failure to detect PCI card Peter LaDow
2013-08-05 18:25 ` Anatolij Gustschin
2013-08-05 20:12   ` Peter LaDow
2013-08-05 20:27     ` David Hawkins
2013-08-05 20:49       ` Peter LaDow
2013-08-05 21:08         ` David Hawkins
2013-08-05 21:10           ` David Hawkins
2013-08-05 22:11           ` Peter LaDow
2013-08-05 23:07       ` Peter LaDow
2013-08-05 23:14         ` Peter LaDow
2013-08-06  2:01           ` David Hawkins
2013-08-08 20:31             ` Peter LaDow
2013-08-08 22:10               ` David Hawkins
2013-08-12  2:32               ` Benjamin Herrenschmidt
2013-08-12 16:52                 ` Peter LaDow
2013-08-06 20:03           ` Anatolij Gustschin [this message]
2013-08-05 18:32 ` Wolfgang Denk
2013-08-05 18:36   ` Peter LaDow

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