[PATCH v1] vexpress_ca9x4: Enable DM_SERIAL

[Linus Walleij]

On Mon, Jan 29, 2024 at 12:54 PM Kristian Amlie
<kristian.amlie at northern.tech> wrote:
> On 29/01/2024 12:41, Ole Orhagen wrote:
> > On Fri, Jan 26, 2024 at 8:57 PM Linus Walleij <linus.walleij at linaro.org
> > <mailto:linus.walleij at linaro.org>> wrote:

> >     Are you using the actual hardware, or QEMU?
> >
> >
> > I only have QEMU available, unfortunately.
>
> Just providing some context, since I'm listed as maintainer: This board
> was going to be removed some time ago, but was resurrected specifically
> to work with QEMU. The "virt" board, at least at that time, did not
> support some key ARM features that we need in our testing, such as SD
> cards and Flash. Hence we opted to keep this board around. So
> compatibility with hardware is not important to us at least, unless
> someone else is requesting it.

I actually have this hardware.

Last time I tried to bring it up it had severe problems with caches,
especially following the meltdown/spectre workarounds that start
to really stress the cache, and probably the caches simply have to
be disabled to make it work.

But I will try to dust it off and test it again.

Yours,
Linus Walleij