[PATCH v3 1/8] memory: tegra: Add API for retrieving carveout bounds

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Wed Sep 21 07:28:13 UTC 2022


On 20/09/2022 10:11, Mikko Perttunen wrote:
> From: Mikko Perttunen <mperttunen at nvidia.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 at nvidia.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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