From: Roland Dreier <rdreier@cisco.com>
To: "Peter Fercher" <peter.fercher@scs.ch>
Cc: 'linux-ppc-embedded' <linuxppc-embedded@ozlabs.org>
Subject: Re: ppc440 EBC question
Date: Mon, 26 Dec 2005 11:06:30 -0800 [thread overview]
Message-ID: <adar77zekzt.fsf@cisco.com> (raw)
In-Reply-To: <004b01c6053a$5ec8ae50$dbe5fed4@scsad.scs.ch> (Peter Fercher's message of "Tue, 20 Dec 2005 08:52:48 +0100")
Peter> does somebody have a hint where to find an example how to
Peter> talk to devices attached to the ppc440 external bus
Peter> controller
I don't know of public example code but in general it is pretty easy.
Just set up the EBC registers to map your device into some unused
address space, and then use ioremap() and friends to access the bus.
- R.
prev parent reply other threads:[~2005-12-26 19:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-20 7:52 ppc440 EBC question Peter Fercher
2005-12-26 19:06 ` Roland Dreier [this message]
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