From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Daniel Baluta <daniel.baluta@nxp.com>,
Mpuaudiosw <Mpuaudiosw@nxp.com>,
Iuliana Prodan <iuliana.prodan@nxp.com>,
"Iuliana Prodan (OSS)" <iuliana.prodan@oss.nxp.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>,
robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org, Shawn Guo <shawnguo@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
"S.J. Wang" <shengjiu.wang@nxp.com>,
Fabio Estevam <festevam@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-imx <linux-imx@nxp.com>,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
Pengutronix Kernel Team <kernel@pengutronix.de>,
LnxRevLi <LnxRevLi@nxp.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP
Date: Fri, 13 Oct 2023 11:31:39 +0200 [thread overview]
Message-ID: <7769811.31r3eYUQgx@steina-w> (raw)
In-Reply-To: <80a6a56b-4a12-99bb-acb3-94a5753b2de4@nxp.com>
Hi Iuliana,
Am Freitag, 13. Oktober 2023, 10:35:17 CEST schrieb Iuliana Prodan:
> Hi Alexander,
>
> On 10/11/2023 8:37 AM, Alexander Stein wrote:
> > Hi Iuliana,
> >
> > Am Dienstag, 10. Oktober 2023, 11:09:29 CEST schrieb Iuliana Prodan (OSS):
> >> From: Iuliana Prodan <iuliana.prodan@nxp.com>
> >>
> >> Add the reserve-memory nodes used by DSP when the rpmsg
> >> feature is enabled.
> >>
> >> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
> >> ---
> >>
> >> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 16 ++++++++++++++++
> >> 1 file changed, 16 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> >> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> >> cc406bb338fe..22815b3ea890 100644
> >> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> >> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> >> @@ -211,6 +211,22 @@
> >>
> >> reg = <0 0x92400000 0 0x2000000>;
> >> no-map;
> >>
> >> };
> >>
> >> +
> >> + dsp_vdev0vring0: vdev0vring0@942f0000 {
> >> + reg = <0 0x942f0000 0 0x8000>;
> >> + no-map;
> >> + };
> >> +
> >> + dsp_vdev0vring1: vdev0vring1@942f8000 {
> >> + reg = <0 0x942f8000 0 0x8000>;
> >> + no-map;
> >> + };
> >> +
> >> + dsp_vdev0buffer: vdev0buffer@94300000 {
> >> + compatible = "shared-dma-pool";
> >> + reg = <0 0x94300000 0 0x100000>;
> >> + no-map;
> >> + };
> >
> > Please configure these reserved memories on board level. Not every i.MX8MP
> > based board uses this DSP or has these memory addresses available.
>
> Will it be ok in imx8mp-evk.dts?
If that is the board using the DSP and the reserved memory, then yes.
Best regards,
Alexander
> Thanks,
> Iulia
>
> > Best regards,
> > Alexander
> >
> >> };
> >>
> >> pmu {
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prev parent reply other threads:[~2023-10-13 9:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-10 9:09 [PATCH v3 0/2] Rpmsg support for i.MX DSP with resource table Iuliana Prodan (OSS)
2023-10-10 9:09 ` [PATCH v3 1/2] remoteproc: imx_dsp_rproc: add mandatory find_loaded_rsc_table op Iuliana Prodan (OSS)
2023-10-10 9:09 ` [PATCH v3 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP Iuliana Prodan (OSS)
2023-10-11 5:37 ` Alexander Stein
2023-10-13 8:35 ` Iuliana Prodan
2023-10-13 9:31 ` Alexander Stein [this message]
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