Re: [PATCH] arm: xlnx-versal: fix virtio-mmio base address assignment

[Peter Maydell]

On Fri, 5 Feb 2021 at 10:31, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> 1/ virtio-mmio must be sysbus-device,

Yes.

> 2/ we can not sysbus-map out of main memory so private container
> is incorrect, and Versal can not use "mr-ps-switch"?

No. If you have a sysbus device, and you want to map it somewhere
other than into system-memory-map, you can do that: you use
sysbus_mmio_get_region() to get the MemoryRegion*, and then map
it into whatever container you need with memory_region_add_subregion().

thanks
-- PMM