From c3fc9c1c1ac8f64ef333858ea42676889448a248 Mon Sep 17 00:00:00 2001 From: Beleswar Padhi Date: Mon, 8 Sep 2025 19:58:01 +0530 Subject: [PATCH] arm64: dts: ti: k3-am65: Enable remote processors at board level Remote Processors defined in top-level AM65x 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 Acked-by: Andrew Davis Link: https://patch.msgid.link/20250908142826.1828676-10-b-padhi@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 6 ++++++ arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 3 +++ arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 6 ++++++ 3 files changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index e5136ed947651..73936994a156d 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -602,16 +602,22 @@ }; }; +&mcu_r5fss0 { + status = "okay"; +}; + &mcu_r5fss0_core0 { memory-region = <&mcu_r5fss0_core0_dma_memory_region>, <&mcu_r5fss0_core0_memory_region>; mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>; + status = "okay"; }; &mcu_r5fss0_core1 { memory-region = <&mcu_r5fss0_core1_dma_memory_region>, <&mcu_r5fss0_core1_memory_region>; mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>; + status = "okay"; }; &mcu_rti1 { diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 7cf1f646500a1..f6d9a57799188 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -408,6 +408,7 @@ ranges = <0x41000000 0x00 0x41000000 0x20000>, <0x41400000 0x00 0x41400000 0x20000>; power-domains = <&k3_pds 129 TI_SCI_PD_EXCLUSIVE>; + status = "disabled"; mcu_r5fss0_core0: r5f@41000000 { compatible = "ti,am654-r5f"; @@ -422,6 +423,7 @@ ti,atcm-enable = <1>; ti,btcm-enable = <1>; ti,loczrama = <1>; + status = "disabled"; }; mcu_r5fss0_core1: r5f@41400000 { @@ -437,6 +439,7 @@ ti,atcm-enable = <1>; ti,btcm-enable = <1>; ti,loczrama = <1>; + status = "disabled"; }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index e589690c7c821..39c2d46801dea 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -541,16 +541,22 @@ }; }; +&mcu_r5fss0 { + status = "okay"; +}; + &mcu_r5fss0_core0 { memory-region = <&mcu_r5fss0_core0_dma_memory_region>, <&mcu_r5fss0_core0_memory_region>; mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>; + status = "okay"; }; &mcu_r5fss0_core1 { memory-region = <&mcu_r5fss0_core1_dma_memory_region>, <&mcu_r5fss0_core1_memory_region>; mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>; + status = "okay"; }; &ospi0 { -- 2.47.3