From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Magnus Damm <magnus.damm@gmail.com>
Cc: Simon Horman <horms@verge.net.au>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH 3/4] arm64: dts: renesas: r8a7796: Add DU device to DT
Date: Thu, 27 Oct 2016 09:04:41 +0200 [thread overview]
Message-ID: <CAMuHMdX=pS0NuZTow2=kZAq5jBbXwdPeySSZGbccpruN3mSpKg@mail.gmail.com> (raw)
In-Reply-To: <CANqRtoRvvkr-HPTz9qGgxg6SK=FNZbO1gdxCDuxeUeGBzAhQ1g@mail.gmail.com>
Hi Magnus,
On Thu, Oct 27, 2016 at 8:52 AM, Magnus Damm <magnus.damm@gmail.com> wrote:
> In particular, not so much the DU device (this patch) but more the VSP
> instances. The reason for that is that VSP devices can only perform
> 32-bit bus mastering without IOMMU. I believe next step for all this
> would be to enable all on-board memory on r8a7796 Salvator-x, but I
> think Geert is working on that.
Actually 64-bit memory is already enabled on r8a7796/salvator-x, as U-Boot
(all firmware versions I've seen) silently adds the missing memory chunks
to the DTB.
The same is true on r8a7795/salvator-x with recent firmware (e.g. v2.12.0).
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2016-10-27 7:04 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-17 21:34 [PATCH 0/4] R-Car Salvator-X M3-W: Enable DU support Laurent Pinchart
2016-10-17 21:34 ` [PATCH 1/4] arm64: dts: renesas: r8a7796: Add FCPF and FCPV instances Laurent Pinchart
2016-10-18 8:49 ` Geert Uytterhoeven
2016-10-17 21:34 ` [PATCH 2/4] arm64: dts: renesas: r8a7796: Add VSP instances Laurent Pinchart
2016-10-18 9:02 ` Geert Uytterhoeven
2016-10-17 21:34 ` [PATCH 3/4] arm64: dts: renesas: r8a7796: Add DU device to DT Laurent Pinchart
2016-10-18 9:05 ` Geert Uytterhoeven
2016-10-18 9:19 ` Laurent Pinchart
2016-10-20 8:56 ` Simon Horman
2016-10-27 6:52 ` Magnus Damm
2016-10-27 7:04 ` Geert Uytterhoeven [this message]
2016-10-27 7:09 ` Magnus Damm
2016-10-27 7:13 ` Simon Horman
2016-10-27 7:25 ` Magnus Damm
2016-10-27 10:18 ` Simon Horman
2016-10-27 13:00 ` Simon Horman
2016-10-27 15:40 ` Laurent Pinchart
2016-11-15 19:12 ` Laurent Pinchart
2016-11-17 2:28 ` Magnus Damm
2016-11-17 8:31 ` Geert Uytterhoeven
2016-11-17 8:51 ` Magnus Damm
2016-11-21 11:09 ` Geert Uytterhoeven
2016-11-25 8:16 ` Magnus Damm
2016-11-25 9:22 ` Geert Uytterhoeven
2016-12-08 13:28 ` Simon Horman
2016-12-08 13:45 ` Geert Uytterhoeven
2016-11-17 9:12 ` Laurent Pinchart
2016-10-17 21:34 ` [PATCH 4/4] arm64: dts: renesas: r8a7796-salvator-x: Enable DU Laurent Pinchart
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