[PATCH v5 0/8] Add virtio-mmio support to m68k virt machine

[Tom Rini]

On Tue, May 05, 2026 at 11:11:24AM +0900, Daniel Palmer wrote:
> Hi Tom,
> 
> On Tue, 5 May 2026 at 07:10, Tom Rini <trini at konsulko.com> wrote:
> >
> > On Thu, Apr 16, 2026 at 06:39:19PM +0900, Daniel Palmer wrote:
> >
> > > Lets start making the m68k virt machine support useful.
> > >
> > > First we need to fix some m68k endian issues.
> > >
> > > Then allow virtio mmio driver instances to be created with
> > > platform data and fix a minor endian issue.
> > >
> > > Finally, add the code for the board to create the instances.
> >
> > We get this in CI:
> > drivers/virtio/virtio_mmio.c:359:15: warning: cast to 'void *' from
> >  smaller integer type 'phys_addr_t' (aka 'unsigned int') [-Wint-to-void-pointer-cast]
> >   359 |         priv->base = (void __iomem *)plat->base;
> >       |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~                                      1 warning generated.
> >
> > With clang, please fix.
> 
> That seems to be a 64bit cpu that has 32bit phys_addr_t
> (CONFIG_PHYS_64BIT=n)? Would this be acceptable:
> priv->base = (void __iomem *)(uintptr_t)plat->base
> 
> That would extend plat->base up to 64bits where needed and I guess
> that is ok because if you have a 64bit cpu but a 32bit phys_addr_t you
> don't have anything above 4GB that you want to access?

Yes, we're building on sandbox when this comes up, and that sounds fine.
Thanks!

-- 
Tom
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