Hi Tom, On Thu, 2 Dec 2021 at 10:56, Tom Rini <tr...@konsulko.com> wrote: > > On Thu, Dec 02, 2021 at 05:40:46PM +0000, Oleksandr Andrushchenko wrote: > > Hi, Simon! > > > > Sorry for being late to the party > > > > On 02.12.21 17:59, Simon Glass wrote: > > > Add an empty file to prevent build errors when building with > > > CONFIG_OF_SEPARATE enabled. > > > > > > The build instructions in U-Boot do not provide enough detail to build a > > > useful devicetree, unfortunately. > > Xen guest doesn't use any built-in device trees as the guest's device tree > > is provided > > by the Xen hypervisor itself and is generated at the virtual machine > > creation time: it is > > populated with memory size, number of CPUs etc. based on [1]. > > So, even if we provide some device tree here it must not be used by U-boot > > at > > the end of the day. Thus, it might be a reasonable solution to provide an > > empty device > > tree as you do, but put a comment that it is not used. > > So another example of why this series is taking things in the wrong > direction.
Why? At least we might figure out where to get the DT and how to run Xen with U-Boot. I don't see any down-side to having a basic DT in the tree along with instructions on how to run Xen. Regards, Simon
