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@xxxxxxx>
> >>
> >> Add the reserve-memory nodes used by DSP when the rpmsg
> >> feature is enabled.
> >>
> >> Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
> >> ---
> >>
> >> 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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