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From: Roman Shaposhnik <roman@zededa.com>
To: Elliott Mitchell <ehem+xen@m5p.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>,
	 Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: Xen on RP4
Date: Fri, 27 Nov 2020 23:59:10 -0800	[thread overview]
Message-ID: <CAMmSBy_4ry2DwMNT1Ai1-11wBHHuO71muvkfEWLRV=h0QiKyoA@mail.gmail.com> (raw)
In-Reply-To: <X78irfLB6DQhkPvd@mattapan.m5p.com>

On Wed, Nov 25, 2020 at 7:36 PM Elliott Mitchell <ehem+xen@m5p.com> wrote:
>
> On Wed, Nov 25, 2020 at 10:57:31AM -0800, Stefano Stabellini wrote:
> > On Tue, 24 Nov 2020, Elliott Mitchell wrote:
> > > My testing section for Xen is:
> > >     xen_hypervisor /boot/xen-4.14-arm64.efi
> > >     xen_module /boot/vmlinuz-5.8.10-2rp4-6.1.7 root=UUID=01234567-dead-beef-d13d-456789abcdef ro
> > >     devicetree /boot/dtb-5.8.10-2rp4-6.1.7
> > >     xen_module --nounzip /boot/initrd.img-5.8.10-2rp4-6.1.7
> > >
> > > I've frankly got no idea how to ensure the correct device-tree is passed
> > > to Xen.  Is GRUB's `devicetree` command correct when loading Xen?  Is a
> > > device-tree matched to the Linux kernel appropriate for Xen?
> > >
> > > (I'm guessing the second is "yes", but the first I don't have a clue)
> >
> > Yes, devicetree is correct. I have not used the graphical output, so I
> > cannot help you there but yes the best bet is to use the devicetree that
> > comes with the kernel.
>
> Well, I've now got everything together for a "proper" Debian Raspberry PI
> installation.  Apparently since 5.2 (perhaps earlier, but 5.2 is
> confirmed), Debian's kernel source packages have had their Raspberry PI
> device-trees garbled.  I do have full untouched Linux kernel source
> handy, but I tend to stick with the distribution until that proves
> untenable.

Yup. Same here. I started with upstream kernel, wasted a lot of time,
threw in the towel
and imported all of the RPi Foundation patches wholesale :-(

Thanks,
Roman.


  reply	other threads:[~2020-11-28  7:59 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-25  3:37 Xen on RP4 Elliott Mitchell
2020-11-25  4:01 ` Roman Shaposhnik
2020-11-25  4:41   ` Elliott Mitchell
2020-11-25  4:45     ` Roman Shaposhnik
2020-11-25  5:16       ` Elliott Mitchell
2020-11-25 18:57         ` Stefano Stabellini
2020-11-26  3:36           ` Elliott Mitchell
2020-11-28  7:59             ` Roman Shaposhnik [this message]
2020-11-28 18:15               ` Elliott Mitchell
2020-11-28  4:56           ` Elliott Mitchell
2020-11-25 19:45         ` Roman Shaposhnik
     [not found] <20201011051933.GA77136@mattapan.m5p.com>
     [not found] ` <alpine.DEB.2.21.2010121138480.10386@sstabellini-ThinkPad-T480s>
     [not found]   ` <20201012215751.GB89158@mattapan.m5p.com>
     [not found]     ` <c38d78bd-c011-404b-5f59-d10cd7d7f006@xen.org>
     [not found]       ` <20201016003024.GA13290@mattapan.m5p.com>
     [not found]         ` <23885c28-dee5-4e9a-dc43-6ccf19a94df6@xen.org>
     [not found]           ` <20201022021655.GA74011@mattapan.m5p.com>
     [not found]             ` <alpine.DEB.2.21.2010221620230.12247@sstabellini-ThinkPad-T480s>
     [not found]               ` <20201023005629.GA83870@mattapan.m5p.com>
     [not found]                 ` <alpine.DEB.2.21.2010221801490.12247@sstabellini-ThinkPad-T480s>
     [not found]                   ` <20201023211941.GA90171@mattapan.m5p.com>
2020-10-23 23:59                     ` Stefano Stabellini
2020-10-24  1:56                       ` Elliott Mitchell
2020-10-24  3:13                       ` Elliott Mitchell
2020-10-24  4:34                       ` Elliott Mitchell
2020-10-24  5:35                       ` Elliott Mitchell
2020-10-26 13:31                         ` Julien Grall
2020-10-26 16:03                           ` Elliott Mitchell
2020-10-26 18:44                             ` Julien Grall
2020-10-26 21:32                               ` Elliott Mitchell
2020-10-28  1:54                               ` Elliott Mitchell
2020-10-29  0:37                                 ` Stefano Stabellini
2020-10-29  5:20                                   ` Jürgen Groß
2020-10-29 19:57                                     ` Stefano Stabellini
2020-11-10 23:25                                       ` Elliott Mitchell
2020-11-11  2:59                                       ` Christopher Clark
2020-10-29 21:29                                   ` Elliott Mitchell
2020-10-30 20:10                                     ` Stefano Stabellini
2020-11-01 17:26                                       ` Ash Wilding
2020-11-02 21:22                                         ` Stefano Stabellini

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