linux-kernel - Re: [PATCH 2/4] dt-bindings: remoteproc: mediatek: Remove l1tcm for dual-core MT8188 SCP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <70c10764-121b-43f5-931e-84ffd666c594@collabora.com>
Date: Wed, 19 Mar 2025 10:34:46 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Nícolas F. R. A. Prado <nfraprado@...labora.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 Tinghan Shen <tinghan.shen@...iatek.com>,
 Olivia Wen <olivia.wen@...iatek.com>, Moudy Ho <moudy.ho@...iatek.com>
Cc: kernel@...labora.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,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH 2/4] dt-bindings: remoteproc: mediatek: Remove l1tcm for
 dual-core MT8188 SCP

Il 18/03/25 23:22, Nícolas F. R. A. Prado ha scritto:
> The SCP present on MT8188 does not have an L1TCM memory region, but the
> binding incorrectly requires one for the dual-core description of the
> MT8188 SCP. Remove that requirement. Also update the minimum number of
> reg and reg-names to 1, since as this is a multi-core SCP with no
> L1TCM memory, only the CFG memory region is present in the parent node.
> 
> Fixes: 91e0d560b9fd ("dt-bindings: remoteproc: mediatek: Support MT8188 dual-core SCP")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

As far as I know, the L1TCM is present on MT8188, and it's at 0x1070000 len 0x8000
exactly like MT8195.

Moudy, are you able to please confirm or deny that?

Cheers,
Angelo