linux-hardening - Re: [PATCH 3/3] arm64: dts: qcom: Add device tree for Xiaomi Mi 11 Ultra

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Message-ID: <CAEPPPKsOTJkfd8sn=ApUKPf6MqQOEmVk9EC8OJd-Ln82cF0Xnw@mail.gmail.com>
Date:   Thu, 10 Aug 2023 13:30:18 +0800
From:   Sophon Wu <wuxilin123@...il.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: Add device tree for Xiaomi Mi 11 Ultra

Konrad Dybcio <konrad.dybcio@...aro.org> 于2023年8月8日周二 00:05写道：
>On 5.08.2023 19:03, Xilin Wu via B4 Relay wrote:
>> From: Xilin Wu <wuxilin123@...il.com>
>>
>> Add support for Xiaomi Mi 11 Ultra. This commit brings support for:
>> * Front and rear display panels (initialized by bootloader)
>> * USB
>> * UFS
>> * PCIe0
>> * Thermistor sensors
>> * ADSP/CDSP/Modem/SLPI
>> * IR Transmitter
>> * RTC provided by PMK8350
>> * Buttons
>>
>> To create a working boot image, you need to run:
>> cat arch/arm64/boot/Image.gz arch/arm64/boot/dts/qcom/sm8350-xiaomi-\
>> star.dtb > .Image.gz-dtb
>>
>> mkbootimg \
>> --kernel .Image.gz-dtb \
>> --ramdisk some_initrd.img \
>> --pagesize 4096 \
>> --base 0x0 \
>> --kernel_offset 0x8000 \
>> --ramdisk_offset 0x1000000 \
>> --tags_offset 0x100 \
>> --cmdline "SOME_CMDLINE" \
>> --dtb_offset 0x1f00000 \
>> --header_version 1 \
>> --os_version 14.0.0 \
>> --os_patch_level 2099-12 \
>> -o boot.img-xiaomi-star
>>
>> Then, you can flash it to slot b on the device:
>>
>> // You have to either pull vbmeta{"","_system"} from
>> // /dev/block/bootdevice/by-name/ or build one as a part of AOSP build process
>> fastboot --disable-verity --disable-verification flash vbmeta_b vbmeta.img
>> fastboot --disable-verity --disable-verification flash vbmeta_system_b \
>> vbmeta_system.img
>>
>> fastboot flash boot_b boot.img-xiaomi-star
>> fastboot erase dtbo_b
>> fastboot set_active b
>> fastboot reboot
>>
>> Signed-off-by: Xilin Wu <wuxilin123@...il.com>
>> ---
>[...]
>
>
>> +&adsp {
>> +    status = "okay";
>> +    firmware-name = "qcom/sm8350/xiaomi/star/adsp.mbn";
>> +};
>Please keep status as the last property, everywhere.
>
>BTW, is the rear screen connected via DSI, or is it some stupid
>SPI display?
>
>Konrad

Thanks. Will fix in v2. The rear screen is connected via DSI.