On Tue, Nov 22, 2016 at 11:29:20AM +0000, Sudeep Holla wrote:
> Hi Liviu,
>
> On Tue, Nov 22, 2016 at 11:19 AM, Liviu Dudau <liviu.du...@foss.arm.com>
> wrote:
> > Juno uses a 1:1 mapping between CPU and PCI addresses for IO. First,
> > that will trip devices that cannot use more than 16 bits of addresses
> > for IO, second it is un-necessary as the system can handle zero-based
> > PCI addresses just fine.
> >
> > Change the mapping to start IO bus addresses from zero.
> >
>
> I assume this require corresponding DT change, shout if that's not true.
> If that's true, then does this patch not require patching of DT so
> that systems not
> running Uboot with this patch continue to work and we retain the
> mainline DT as is ?
Yes, it does require DT changes, Jeremy Linton has a patch
>
> --
> Regards,
> Sudeep
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
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