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Subject: Re: [PATCHv1 0/3] Enable crypto module on Amlogic GXBB SoC platform
To:     Anand Moon <linux.amoon@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Corentin Labbe <clabbe@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "David S . Miller" <davem@davemloft.net>
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-crypto@vger.kernel.org
References: <20191211084112.971-1-linux.amoon@gmail.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <a4610efc-844a-2d43-5db1-cf813102e701@baylibre.com>
Date:   Wed, 11 Dec 2019 09:53:56 +0100
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Sender: linux-kernel-owner@vger.kernel.org
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hi,


On 11/12/2019 09:41, Anand Moon wrote:
> Below changes enable cryto module on Amlogic GXBB SoC.
> 
> I was realy happy to get this feature working on Odroid C2 SBC.
> I will try on other SBC in the future.
> 
> Tested with loading tcrypt module.
> # sudo modprobe tcrypt sec=1 mode=200
> [sudo] password for alarm:
> [  903.867059] tcrypt:
> [  903.867059] testing speed of async ecb(aes) (ecb(aes-arm64)) encryption
> [  903.870265] tcrypt: test 0 (128 bit key, 16 byte blocks): 1922107 operations in 1 seconds (30753712 bytes)
> [  904.872802] tcrypt: test 1 (128 bit key, 64 byte blocks): 679032 operations in 1 seconds (43458048 bytes)
> [  905.872717] tcrypt: test 2 (128 bit key, 256 byte blocks): 190190 operations in 1 seconds (48688640 bytes)
> [  906.872793] tcrypt: test 3 (128 bit key, 1024 byte blocks): 49014 operations in 1 seconds (50190336 bytes)
> [  907.872808] tcrypt: test 4 (128 bit key, 1472 byte blocks): 34342 operations in 1 seconds (50551424 bytes)
> [  908.876828] tcrypt: test 5 (128 bit key, 8192 byte blocks): 6199 operations in 1 seconds (50782208 bytes)
> 
> -Anand
> 
> Anand Moon (3):
>   arm64: dts: amlogic: adds crypto hardware node for GXBB SoCs
>   dt-bindings: crypto: Add compatible string for amlogic GXBB SoC
>   crypto: amlogic: Add new compatible string for amlogic GXBB SoC
> 
>  .../devicetree/bindings/crypto/amlogic,gxl-crypto.yaml |  1 +
>  arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi            | 10 ++++++++++
>  drivers/crypto/amlogic/amlogic-gxl-core.c              |  1 +
>  3 files changed, 12 insertions(+)
> 

Wow, I'm surprised it works on GXBB, Amlogic completely removed HW crypto for GXBB in all their
vendor BSPs, in Linux, U-Boot and ATF chain.

Could you run more tests to be sure it's really functional ?

Neil