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Diffstat (limited to 'content/post/u-boot-2022.04-rockpro64.en.blogc')
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diff --git a/content/post/u-boot-2022.04-rockpro64.en.blogc b/content/post/u-boot-2022.04-rockpro64.en.blogc new file mode 100644 index 0000000..8f346a3 --- /dev/null +++ b/content/post/u-boot-2022.04-rockpro64.en.blogc @@ -0,0 +1,32 @@ +TITLE: Mainline U-Boot 2022.04 on RockPro64 - works from SD card +DATE: 2022-06-05 +TAGS: rockpro64 sbc u-boot aarch64 software +------------------------- +Had to downgrade gcc to version 11 on Arch ARM (otherwise ATF won't build), +then (using git repos): + + arm-trusted-firmware $ git checkout v2.7.0 + arm-trusted-firmware $ find . -name '*.bin' -exec rm -vf '{}' \; + arm-trusted-firmware $ make PLAT=rk3399 bl31 + arm-trusted-firmware $ cd ../u-boot + u-boot $ git checkout v2022.04 + u-boot $ make mrproper && make rockpro64-rk3399_defconfig + u-boot $ make BL31=../arm-trusted-firmware/build/rk3399/release/bl31/bl31.elf + +Create a GPT partition on SD card to hold boot files: + + /boot1GiBSD/ + ├── boot_arch + │ ├── dtbs/ + │ ├── Image + │ └── initramfs-linux.img + └─── extlinux + └── extlinux.conf + +Write U-boot image to the same SD card (it will not break GPT) - directions in +`doc/README.rockchip` in U-boot source tree, "Booting from an SD card on +RK3399", Option 3. Works fine. + +SPI flash doesn't work though, `sf probe` complains: + + unrecognized JEDEC id bytes: ff, ff, ff |