On 9/15/21 7:27 AM, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>
> Analogously to the am654-base-board, configure the mailboxes for 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: Suman Anna <s-anna@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";
> };
>
