Re: [PATCH 1/4] arm64: dts: qcom: Introduce a carveout for modem metadata

[Sibi Sankar]

On 12/14/22 16:57, Krzysztof Kozlowski wrote:
> On 13/12/2022 15:07, Sibi Sankar wrote:
> > Introduce a new carveout for modem metadata. This will serve as a
> > replacement for the memory region used by MSA to authenticate modem
> > ELF headers.
> >
> > Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
> > ---
> >   arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi    | 6 ++++++
> >   arch/arm64/boot/dts/qcom/msm8996.dtsi                  | 9 +++++++++
> >   arch/arm64/boot/dts/qcom/msm8998.dtsi                  | 9 +++++++++
> >   arch/arm64/boot/dts/qcom/sc7180-idp.dts                | 7 ++++++-
> >   arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi           | 7 ++++++-
> >   arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 7 ++++++-
> >   arch/arm64/boot/dts/qcom/sdm845.dtsi                   | 9 +++++++++
> >   7 files changed, 51 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
> > index 5b47b8de69da..4242f8587c19 100644
> > --- a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
> > @@ -127,6 +127,12 @@
> >   			reg = <0x0 0xf6f00000 0x0 0x100000>;
> >   			no-map;
> >   		};
> > +
> > +		/delete-node/ memory@91700000;
> > +		mdata_mem: memory@f7100000 {
> > +			reg = <0x0 0xf7100000 0x0 0x4000>;
> > +			no-map;
> > +		};
> >   	};
> >   
> >   	vph_pwr: vph-pwr-regulator {
> > diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > index cc65f52bb80f..3f5fb08e2341 100644
> > --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > @@ -462,6 +462,11 @@
> >   			reg = <0x0 0x91500000 0x0 0x200000>;
> >   			no-map;
> >   		};
> > +
> > +		mdata_mem: memory@91700000 {
> > +			reg = <0x0 0x91700000 0x0 0x4000>;
> > +			no-map;
> > +		};
> >   	};
> >   
> >   	rpm-glink {
> > @@ -2458,6 +2463,10 @@
> >   				memory-region = <&mpss_mem>;
> >   			};
> >   
> > +			metadata {
>
> Does it pass dtbs_check?

^^ portion of the bindings aren't in yaml yet please see patch 3.

> Best regards,
> Krzysztof