PPC PCI bus registers

Grant Likely grant.likely at secretlab.ca
Thu Sep 3 09:56:09 EST 2009


On Wed, Sep 2, 2009 at 5:44 PM, Eddie Dawydiuk<eddie at 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.


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