Add details about the SPL & U-Boot proper build steps, converting to flashable images, source URLs for the needed binaries and scripts.
Signed-off-by: Varadarajan Narayanan <[email protected]> --- v4: Replace script based image creation with binman based command v3: Use '-' for sub heading instead of '=' Add location for template.its and sort the list alphabetically --- doc/board/qualcomm/rdp.rst | 83 +++++++++++++++++++++++++++++++++++++- 1 file changed, 82 insertions(+), 1 deletion(-) diff --git a/doc/board/qualcomm/rdp.rst b/doc/board/qualcomm/rdp.rst index 99cf8eba57c..354dc9d06e1 100644 --- a/doc/board/qualcomm/rdp.rst +++ b/doc/board/qualcomm/rdp.rst @@ -42,17 +42,98 @@ on your device with:: U-Boot should be running after a reboot (``reset``). +Build steps for IPQ5210 based Qualcomm Dragonwing F8 & N8 Platforms: +-------------------------------------------------------------------- + +Please refer to the following URLs for more details about the platforms. + + F8: https://www.qualcomm.com/networking-infrastructure/products/f-series/f8-platform + + N8: https://www.qualcomm.com/networking-infrastructure/products/n-series/n8-platform + +1. Since U-Boot SPL is enabled on these platforms, the build command generates + both the U-Boot SPL and U-Boot proper images. Assuming ${uboot_dir} is the + top of the U-Boot sources and ${out_dir} as the output directory, + + $ cd ${uboot_dir} + $ export CROSS_COMPILE=<aarch64 toolchain prefix> + $ make -j8 O=${out_dir} qcom_ipq5210_mmc_defconfig + $ make -j8 O=${out_dir} + + U-Boot SPL image: ${out_dir}/spl/u-boot-spl.wrap-elf + U-Boot image: ${out_dir}/u-boot.elf + +2. Convert the SPL image to multi ELF + + $ cd ${out_dir}/spl + $ python elftombn.py -f u-boot-spl.wrap-elf -o u-boot-spl.mbn -v7 + $ python `create_multielf.py` -f u-boot-spl.mbn,tmel-ipq52xx-patch.elf \ + -o u-boot-spl.melf + + This u-boot-spl.melf should be flashed into 0:SPL partition. + Please see below for the location of `tmel-ipq52xx-patch.elf` + +3. Convert the U-Boot image to bootloader image + + $ cd ${out_dir} + $ python elftombn.py -f u-boot.elf -o u-boot.mbn -v7 + + The u-boot.mbn has to be combined with `qc_config.elf`, `QCLib.elf`, `TFA` + and `OPTEE`. Please see below for the location for these ELFs. TFA and OPTEE + can be built from the sources using the following commands + + TFA: + $ make PLAT=ipq52xx QTISECLIB_PATH=path/to/`libqtisec_dbg.a` SPD=opteed + + OPTEE: + $ make PLATFORM=qcom-ipq52xx -j16 + + These binaries can be combined into a flashable image using binman. + + Assuming all the required binaries are available in ${uboot_dir}/binman + + $ export bm=${uboot_dir}/binman + $ cd ${bm} + $ ${uboot_dir}/tools/binman/binman \ + --toolpath ${uboot_dir}/tools build \ + -u \ + -d ${out_dir}/u-boot.dtb \ + -O ${bm}.out \ + -I ${uboot_dir} \ + -I ${bm} \ + -I ${uboot_dir}/board \ + -I ${out_dir}/dts/upstream/src/arm64 \ + -a of-list="qcom/ipq5210-rdp504" \ + -a atf-bl31-path=${bm}/bl31.mbn \ + -a tee-os-path=${bm}/tee-pager_v2.mbn \ + -a qcom-config-path=${bm}/qc_config.elf \ + -a qcom-lib-path=${bm}/QCLib.elf \ + -a qcom-appsbl-path=${out_dir}/u-boot.mbn \ + -a default-dt="qcom/ipq5210-rdp504" \ + -a spl-bss-pad=1 \ + -a spl-dtb=y \ + -a of-spl-remove-props="interrupt-parent interrupts" + + This should be flashed into 0:BOOTLDR partition. + .. WARNING Boards with newer software versions would automatically go the emergency download (EDL) mode if U-Boot is not functioning as expected. If its a runtime failure at Uboot, the system will get reset (due to watchdog) and XBL will try to boot from next bank and if Bank B also doesn't have a functional image and is not booting fine, then the system will enter - EDL. A tool like bkerler's `edl`_ can be used for flashing with the + EDL. A tool like bkerler's `edl` can be used for flashing with the firehose loader binary appropriate for the board. Note that the support added is very basic. Restoring the original U-Boot on boards with older version of the software requires a debugger. +.. _create_multielf.py: https://raw.githubusercontent.com/coreboot/coreboot/refs/heads/main/util/qualcomm/create_multielf.py .. _elftombn.py: https://git.codelinaro.org/clo/qsdk/oss/system/tools/meta/-/tree/NHSS.QSDK.13.0.5.r2/scripts?ref_type=heads .. _edl: https://github.com/bkerler/edl +.. _libqtisec_dbg.a: https://softwarecenter.qualcomm.com/nexus/generic/product/chip/software-product/IPQ5210.NLQ.14.0/ipq5210.nlq.14.0-qca-oem-qartifact/r00036.1/WIN.TFA.1.0.R4/apss_proc/out/proprietary/qtiseclib/output/ipq52xx/release/libqtisec_dbg.a +.. _OPTEE: https://git.codelinaro.org/clo/trusted-firmware/optee_os/optee_os/-/tree/win.optee.1.0?ref_type=heads +.. _qc_config.elf: https://softwarecenter.qualcomm.com/nexus/generic/product/chip/software-product/IPQ5210.NLQ.14.0/ipq5210.nlq.14.0-qca-oem-qartifact/r00036.1/BOOT.MXF.2.3.1.1/boot_images/boot/QcomPkg/SocPkg/Hermosa/Bin/LC/RELEASE/qc_config.elf +.. _QCLib.elf: https://softwarecenter.qualcomm.com/nexus/generic/product/chip/software-product/IPQ5210.NLQ.14.0/ipq5210.nlq.14.0-qca-oem-qartifact/r00036.1/BOOT.MXF.2.3.1.1/boot_images/boot/QcomPkg/SocPkg/Hermosa/Bin/LC/RELEASE/QCLib.elf +.. _TFA: https://git.codelinaro.org/clo/trusted-firmware/tf-a/trusted-firmware-a/-/tree/win.tfa.1.0.r4?ref_type=heads +.. _tmel-ipq52xx-patch.elf: https://softwarecenter.qualcomm.com/nexus/generic/product/chip/software-product/IPQ5210.NLQ.14.0/ipq5210.nlq.14.0-qca-oem-qartifact/r00036.1/TMEL.WNS.2.4/tmel-ipq52xx-patch.elf -- 2.34.1
