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| − | Work in progress
| + | This page has been moved to the official NixOS Wiki: |
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| − | === U-boot ===
| + | ⇒ '''[https://wiki.nixos.org/wiki/NixOS_on_ARM/LS1046A NixOS on ARM/LS1046A]''' |
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| − | ==== Cross-compiling ====
| + | ''— samueldr, Lead of NixOS on ARM.'' |
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| − | {{Commands|<nowiki>
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| − | nix-shell --cores 0 '<nixpkgs>' --arg crossSystem '(import <nixpkgs> {}).lib.systems.examples.aarch64-multiplatform' -A ubootQemuAarch64
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| − | git clone git://git.denx.de/u-boot.git
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| − | cd u-boot
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| − | git checkout v2018.03
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| − | # find available defconfigs and pick one
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| − | ls configs/ | grep ls1046
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| − | | |
| − | make CROSS_COMPILE=aarch64-unknown-linux-gnu- ls1046ardb_sdcard_defconfig
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| − | make CROSS_COMPILE=aarch64-unknown-linux-gnu-
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| − | | |
| − | </nowiki>}}
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| − | ==== Switching QSPI flash banks in u-boot ====
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| − | | |
| − | {{Commands|<nowiki>
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| − | cpld reset # switch to bank0 (default boot)
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| − | cpld reset altbank # switch to bank4 (reset to boot from alternative bank)
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| − | cpld reset sd # reset to boot from SD card
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| − | </nowiki>}}
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| − | | |
| − | ==== Flashing u-boot to QSPI flash ====
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| − | {{Commands|<nowiki>
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| − | tftp <uboot_image_addr> <uboot_file_name>.bin
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| − | # use alternative bank
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| − | sf probe 0:1
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| − | sf erase 100000 +$filesize
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| − | sf write <uboot_image_addr> 100000 $filesize
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| − | # boot from altbank
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| − | cpld reset altbank
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| − | </nowiki>}}
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| − | It is also possible to use <code>sf probe 0:0</code> to flash current bank.
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| − | | |
| − | ==== Flashing u-boot to flash ====
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| − | Replace <code>/dev/sdX</code> with correct device:
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| − | {{Commands|<nowiki>
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| − | dd if=u-boot-with-spl-pbl-sd.bin of=/dev/sdX bs=512 seek=8
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| − | </nowiki>}}
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