From: Grant Likely <grant.likely@secretlab.ca>
To: Eddie Dawydiuk <eddie@embeddedarm.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: PPC PCI bus registers
Date: Wed, 2 Sep 2009 17:56:09 -0600 [thread overview]
Message-ID: <fa686aa40909021656m1f14b428ued248f871ce4cbba@mail.gmail.com> (raw)
In-Reply-To: <4A9F0377.1070606@embeddedarm.com>
On Wed, Sep 2, 2009 at 5:44 PM, Eddie Dawydiuk<eddie@embeddedarm.com> wrote:
> Hello,
>
> I have a question regarding reading PCI bus registers from a user space
> application running on a PPC SBC. Seeing as though the PCI bus is little
> endian and PPC is big endian is it typical that one must perform a byte swap
> on all 16 and 32 bit register reads?
Yes, this is correct.
g.
next prev parent reply other threads:[~2009-09-02 23:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-02 23:44 PPC PCI bus registers Eddie Dawydiuk
2009-09-02 23:56 ` Grant Likely [this message]
2009-09-03 10:00 ` Benjamin Herrenschmidt
2009-09-16 18:58 ` Eddie Dawydiuk
2009-09-16 21:54 ` Benjamin Herrenschmidt
2009-09-16 22:11 ` Eddie Dawydiuk
2009-09-17 1:24 ` Benjamin Herrenschmidt
2009-09-17 16:11 ` Eddie Dawydiuk
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