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[88.156.142.67]) by smtp.gmail.com with ESMTPSA id r6-20020ac25f86000000b004b4cbc942a3sm769241lfe.127.2022.12.14.03.27.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Dec 2022 03:27:09 -0800 (PST) Message-ID: Date: Wed, 14 Dec 2022 12:27:08 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH 1/4] arm64: dts: qcom: Introduce a carveout for modem metadata Content-Language: en-US To: Sibi Sankar , andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, manivannan.sadhasivam@linaro.org Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, amit.pundir@linaro.org, regressions@leemhuis.info, sumit.semwal@linaro.org, will@kernel.org, catalin.marinas@arm.com, robin.murphy@arm.com References: <20221213140724.8612-1-quic_sibis@quicinc.com> <20221213140724.8612-2-quic_sibis@quicinc.com> From: Krzysztof Kozlowski In-Reply-To: <20221213140724.8612-2-quic_sibis@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 > --- > 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? Best regards, Krzysztof