Re: [PATCH v3 30/33] arm64: dts: ti: k3-am62-ti-ipc-firmware: Refactor IPC cfg into new dtsi

Dhruva Gole
2025-09-08T12:04:31Z

On Sep 05, 2025 at 10:48:43 +0530, Beleswar Padhi wrote:
> The TI K3 AM62 SoCs have multiple programmable remote processors like
> R5F, M4F etc. The TI SDKs for AM62 SoCs offer sample firmwares which
> could be run on these cores to demonstrate an "echo" IPC test. Those
> firmware require certain memory carveouts to be reserved from system
> memory, timers to be reserved, and certain mailbox configurations for
> interrupt based messaging. These configurations could be different for a
> different firmware.
>
> While DT is not meant for system configurations, at least refactor these
> configurations from board level DTS into a dtsi for now. This dtsi for
> TI IPC firmware is board-independent and can be applied to all boards
> from the same SoC Family. This gets rid of code duplication and allows
> more freedom for users developing custom firmware (or no firmware) to
> utilize system resources better; easily by swapping out this dtsi. To
> maintain backward compatibility, the dtsi is included in all boards.
>
> 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> # phycore-am62x
> ---
[...]

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

--
Best regards,
Dhruva Gole
Texas Instruments Incorporated