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Message-ID: <b257ec4b-fb59-9118-0efb-abf87ea54695@linaro.org>
Date: Wed, 21 Sep 2022 09:28:13 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Mikko Perttunen <cyndis@...si.fi>,
Thierry Reding <thierry.reding@...il.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Jonathan Hunter <jonathanh@...dia.com>
Cc: Mikko Perttunen <mperttunen@...dia.com>,
Ashish Mhetre <amhetre@...dia.com>,
Sameer Pujar <spujar@...dia.com>,
dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/8] memory: tegra: Add API for retrieving carveout
bounds
On 20/09/2022 10:11, Mikko Perttunen wrote:
> From: Mikko Perttunen <mperttunen@...dia.com>
>
> On Tegra234 NVDEC firmware is loaded from a secure carveout, where it
> has been loaded by a bootloader. When booting NVDEC, we need to tell it
> the address of this firmware, which we can determine by checking the
> starting address of the carveout. As such, add an MC API to query the
> bounds of carveouts, and add related information on Tegra234.
>
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
> v2:
> - Add check for 64-bit phys_addr_t. In practice phys_addr_t
> is always 64 bits where this runs, but it avoids warnings in
> compile test.
> ---
> drivers/memory/tegra/mc.c | 25 +++++++++++++++++++++++++
> drivers/memory/tegra/tegra234.c | 5 +++++
> include/soc/tegra/mc.h | 11 +++++++++++
I still need here Thierry's ack.
Best regards,
Krzysztof
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