Re: [PATCH v3 06/33] arm64: dts: ti: k3-am62: Enable remote processors at board level

Dhruva Gole
2025-09-06T00:12:44Z

On Sep 05, 2025 at 10:48:19 +0530, Beleswar Padhi wrote:
> Remote Processors defined in top-level AM62x SoC dtsi files are
> incomplete without the memory carveouts and mailbox assignments which
> are only known at board integration level.
>
> Therefore, disable the remote processors at SoC level and enable them at
> board level where above information is available.
>
> Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
> Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
> Tested-by: Wadim Egorov <w.egorov@phytec.de>
> Acked-by: Andrew Davis <afd@ti.com>
> ---
> v3: Changelog:
> 1. Carried A/B, T/B, R/B tags.
>
> Link to v2:
> https://lore.kernel.org/all/20250823160901.2177841-7-b-padhi@ti.com/
>
> v2: Changelog:
> 1. Re-ordered patch from [PATCH 21/33] to [PATCH v2 06/33].
>
> Link to v1:
> https://lore.kernel.org/all/20250814223839.3256046-22-b-padhi@ti.com/
>
> arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 1 +
> 3 files changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> index 10e6b5c08619..dcd22ff487ec 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> @@ -407,4 +407,5 @@ &wkup_r5fss0_core0 {
> mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
> memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
> <&wkup_r5fss0_core0_memory_region>;
> + status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> index 6549b7efa656..75aed3a88284 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> @@ -128,6 +128,7 @@ wkup_r5fss0_core0: r5f@78000000 {
> ti,sci = <&dmsc>;
> ti,sci-dev-id = <121>;
> ti,sci-proc-ids = <0x01 0xff>;
> + status = "disabled";
> };
> };
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 13e1d36123d5..840772060cb1 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -506,6 +506,7 @@ &wkup_r5fss0_core0 {
> mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
> memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
> <&wkup_r5fss0_core0_memory_region>;
> + status = "okay";

Reviewed-by: Dhruva Gole <d-gole@ti.com>

--
Best regards,
Dhruva Gole
Texas Instruments Incorporated