Re: [PATCH v3 3/5] arm64: dts: ti: iot2050: Add/enabled mailboxes and carve-outs for R5F cores

[Vignesh Raghavendra]

On 9/10/21 1:11 AM, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> 
> Analogously to the am654-base-board, configure the mailboxes for the the
> two R5F cores, add them and the already existing memory carve-outs to
> the related MCU nodes. Allows to load applications under Linux onto the
> cores, e.g. the RTI watchdog firmware.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>

Reviewed-by: Vignesh Raghavendra <vigneshr@xxxxxx>

> ---
>  .../boot/dts/ti/k3-am65-iot2050-common.dtsi   | 26 +++++++++++++++++--
>  1 file changed, 24 insertions(+), 2 deletions(-)
> 
> 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 58c8e64d5885..b29537088289 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
> @@ -658,11 +658,21 @@ &pcie1_ep {
>  };
>  
>  &mailbox0_cluster0 {
> -	status = "disabled";
> +	interrupts = <436>;
> +
> +	mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
> +		ti,mbox-tx = <1 0 0>;
> +		ti,mbox-rx = <0 0 0>;
> +	};
>  };
>  
>  &mailbox0_cluster1 {
> -	status = "disabled";
> +	interrupts = <432>;
> +
> +	mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
> +		ti,mbox-tx = <1 0 0>;
> +		ti,mbox-rx = <0 0 0>;
> +	};
>  };
>  
>  &mailbox0_cluster2 {
> @@ -705,6 +715,18 @@ &mailbox0_cluster11 {
>  	status = "disabled";
>  };
>  
> +&mcu_r5fss0_core0 {
> +	memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
> +			<&mcu_r5fss0_core0_memory_region>;
> +	mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
> +};
> +
> +&mcu_r5fss0_core1 {
> +	memory-region = <&mcu_r5fss0_core1_dma_memory_region>,
> +			<&mcu_r5fss0_core1_memory_region>;
> +	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
> +};
> +
>  &icssg0_mdio {
>  	status = "disabled";
>  };
>