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.
Best regards,
Alexander
> };
>
> pmu {
--
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/
