linux-kernel - Re: [PATCH v4 15/34] arm64: dts: ti: k3-am62p-verdin: Add missing cfg for TI IPC Firmware

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Message-ID: <20250908192035.GA4217@francesco-nb>
Date: Mon, 8 Sep 2025 21:20:35 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Beleswar Padhi <b-padhi@...com>
Cc: nm@...com, vigneshr@...com, kristo@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, afd@...com,
	u-kumar1@...com, hnagalla@...com, jm@...com, d-gole@...com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Hiago De Franco <hiago.franco@...adex.com>,
	Francesco Dolcini <francesco.dolcini@...adex.com>,
	Emanuele Ghidoli <emanuele.ghidoli@...adex.com>,
	Parth Pancholi <parth.pancholi@...adex.com>,
	Jo_o Paulo Gon_alves <joao.goncalves@...adex.com>
Subject: Re: [PATCH v4 15/34] arm64: dts: ti: k3-am62p-verdin: Add missing
 cfg for TI IPC Firmware

On Mon, Sep 08, 2025 at 07:58:07PM +0530, Beleswar Padhi wrote:
> The wkup_r5fss0_core0_memory_region is used to store the text/data
> sections of the Device Manager (DM) firmware itself and is necessary for
> platform boot. Whereas the wkup_r5fss0_core0_dma_memory_region is used
> for allocating the Virtio buffers needed for IPC with the DM core which
> could be optional. The labels were incorrectly used in the
> k3-am62p-verdin.dtsi file. Correct the firmware memory region label.
> 
> Currently, only mailbox node is enabled with FIFO assignment. However,
> there are no users of the enabled mailboxes. Add the missing carveouts
> for WKUP and MCU R5F remote processors, and enable those by associating
> to the above carveout and mailboxes. This config aligns with other AM62P
> boards and can be refactored out later.
> 
> Signed-off-by: Beleswar Padhi <b-padhi@...com>
> Tested-by: Hiago De Franco <hiago.franco@...adex.com> # Verdin AM62P

Acked-by: Francesco Dolcini <francesco.dolcini@...adex.com>