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diff --git a/doc/board/qualcomm/qcs404.rst b/doc/board/qualcomm/qcs404.rst deleted file mode 100644 index 0cb71d97c9..0000000000 --- a/doc/board/qualcomm/qcs404.rst +++ /dev/null @@ -1,79 +0,0 @@ -.. SPDX-License-Identifier: GPL-2.0+ -.. sectionauthor:: Sumit Garg <sumit.garg@linaro.org> - -QCS404 EVB -========== - -About this ----------- -This document describes the information about Qualcomm QCS404 evaluation board -and it's usage steps. - -The current boot flow support loading u-boot as an Android boot image via -Qualcomm's UEFI-based ABL (Android) Bootloader. - -Installation ------------- -Build -^^^^^ -Setup ``CROSS_COMPILE`` for aarch64 and build U-Boot for your board:: - - $ export CROSS_COMPILE=<aarch64 toolchain prefix> - $ make qcs404evb_defconfig - $ make - -This will build ``u-boot.bin`` in the configured output directory. - -Generate FIT image -^^^^^^^^^^^^^^^^^^ -A ``qcs404.its`` file can be found in ``board/qualcomm/qcs404-evb/`` directory. -It expects a folder as ``qcs404_imgs/`` in the main directory containing -pre-built kernel, dts and ramdisk images. See ``qcs404.its`` for full path to -images. - -- Build FIT image:: - - mkimage -f qcs404-evb.its qcs404-evb.itb - -Pack android boot image -^^^^^^^^^^^^^^^^^^^^^^^ -We'll assemble android boot image with ``u-boot.bin`` instead of linux kernel, -and FIT image instead of ``initramfs``. Android bootloader expect gzipped kernel -with appended dtb, so let's mimic linux to satisfy stock bootloader: - -- create dump dtb:: - - workdir=/tmp/prepare_payload - mkdir -p "$workdir" - cd "$workdir" - mock_dtb="$workdir"/payload_mock.dtb - - dtc -I dts -O dtb -o "$mock_dtb" << EOF - /dts-v1/; - / { - model = "Qualcomm Technologies, Inc. QCS404 EVB 4000"; - compatible = "qcom,qcs404-evb-4000", "qcom,qcs404-evb", "qcom,qcs404"; - - #address-cells = <2>; - #size-cells = <2>; - - memory@80000000 { - device_type = "memory"; - /* We expect the bootloader to fill in the size */ - reg = <0 0x80000000 0 0>; - }; - - chosen { }; - }; - EOF - -- gzip u-boot ``gzip u-boot.bin`` -- append dtb to gzipped u-boot: ``cat u-boot.bin.gz "$mock_dtb" > u-boot.bin.gz-dtb`` - -Now we've got everything to build android boot image::: - - mkbootimg --kernel u-boot.bin.gz-dtb \ - --ramdisk qcs404-evb.itb --pagesize 4096 \ - --base 0x80000000 --output boot.img - -Flash image on qcs404-evb using fastboot method. |