linux-kernel - Re: [PATCH v2 06/33] arm64: dts: ti: k3-am62: Enable remote processors at board level

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <10fd09c8-3dca-4e26-8e0d-330cf1301d05@phytec.de>
Date: Thu, 28 Aug 2025 14:43:24 +0300
From: Wadim Egorov <w.egorov@...tec.de>
To: Beleswar Padhi <b-padhi@...com>, nm@...com, vigneshr@...com,
 kristo@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: afd@...com, u-kumar1@...com, hnagalla@...com, jm@...com,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 06/33] arm64: dts: ti: k3-am62: Enable remote
 processors at board level



On 8/23/25 7:08 PM, 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@...com>

Reviewed-by: Wadim Egorov <w.egorov@...tec.de>
Tested-by: Wadim Egorov <w.egorov@...tec.de>


> ---
> 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@...00000 {
>   			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";
>   };
>   
>   &usbss0 {