Re: [Qemu-ppc] [Qemu-devel] [PATCH 0/9] Add platform bus

[Peter Maydell]

On 22 July 2013 20:52, Anthony Liguori <address@hidden> wrote:
> Alexander Graf <address@hidden> writes:
>> On 22.07.2013, at 21:38, Anthony Liguori wrote:
>>
>> This could be used just the same for ARM's mach-virt, so I'd rather
>> not make it e500 specific.
>
> If someone designed a "virt" machine and didn't include PCI or some
> other sane existing bus...

"mach-virt" just means "completely described by device tree
with no knowledge hardcoded in the kernel about the platform".
We don't currently have any PCI host controller which is:
(a) for ARM
(b) entirely device tree driven
(c) supported by QEMU
(d) with a decent Linux driver

So mach-virt doesn't have PCI; it will use virtio-mmio,
same as kvmtool for ARM does.

-- PMM