Re: [PATCH v6 1/2] arm64: dts: qcom: sm8650: extend the register range for UFS ICE

From: Konrad Dybcio
Date: Mon Sep 09 2024 - 06:59:43 EST


On 6.09.2024 7:56 PM, Bartosz Golaszewski wrote:
> From: Gaurav Kashyap <quic_gaurkash@xxxxxxxxxxx>
>
> The Inline Crypto Engine (ICE) for UFS/EMMC supports the Hardware Key
> Manager (HWKM) to securely manage storage keys. Enable using this
> hardware on sm8650.
>
> This requires us to increase the register range: HWKM is an additional
> piece of hardware sitting alongside ICE, and extends the old ICE's
> register space.
>
> Reviewed-by: Om Prakash Singh <quic_omprsing@xxxxxxxxxxx>
> Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Signed-off-by: Gaurav Kashyap <quic_gaurkash@xxxxxxxxxxx>
> Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8650.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 01ac3769ffa6..54b119d6cf92 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -2595,7 +2595,7 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> ice: crypto@1d88000 {
> compatible = "qcom,sm8650-inline-crypto-engine",
> "qcom,inline-crypto-engine";
> - reg = <0 0x01d88000 0 0x8000>;
> + reg = <0 0x01d88000 0 0x10000>;

I see mentions of this being a bit longer, any reasons not to stretch
it to full size?

Konrad