linux-kernel - Re: [PATCH v2 2/2] remoteproc: mediatek: Support MT8188 SCP core 1

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Date: Mon, 22 Apr 2024 12:22:09 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Olivia Wen <olivia.wen@...iatek.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Matthias Brugger
 <matthias.bgg@...il.com>, Tinghan Shen <tinghan.shen@...iatek.com>,
 linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org,
 Project_Global_Chrome_Upstream_Group@...iatek.com,
 jason-ch.chen@...iatek.com, yaya.chang@...iatek.com, teddy.chen@...iatek.com
Subject: Re: [PATCH v2 2/2] remoteproc: mediatek: Support MT8188 SCP core 1

Il 19/04/24 10:42, Olivia Wen ha scritto:
> From: "olivia.wen" <olivia.wen@...iatek.com>
> 
> There are three primary modifications.
> 
> 1. The struct mtk_scp_of_data usage on MT8188
> MT8192 functions are unsuitable for the dual-core MT8188 SCP,
> which has two RISC-V cores similar to MT8195 but without L1TCM.
> We've added MT8188-specific functions to configure L1TCM
> in multicore setups.
> 
> 2. SCP_IPI_IMGSYS_CMD feature
> This version also adds SCP_IPI_IMGSYS_CMD to facilitate
> communication between the imgsys kernel and the backend driver.
> 
> 3. Different code sizes and IPI share buffer sizes
> Each SCP necessitates different code and IPI share buffer sizes.
> Introducing a structure mtk_scp_sizes_data to handle them.
> 
> Signed-off-by: olivia.wen <olivia.wen@...iatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>