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aarch64: Keep dtb directory structure from kernel tree in /boot

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This is the layout expected by the "distro boot" effort in U-Boot.

As far as I understand, the contract is:

- U-Boot built for `fooboard` by `vendor`, will set the `fdtfile`
  variable to `vendor/fooboard.dtb` - or more precisely: matching
  whatever path the dtb is built at in the kernel tree.

- A distro (e.g. Infix) then just needs to specify the `fdtdir` in its
  syslinux config (/boot in our case), and U-Boot will be able to find
  the correct dtb.
This commit is contained in:
Tobias Waldekranz
2023-08-25 10:51:45 +02:00
committed by Joachim Wiberg
parent 308a620b69
commit cf05d46548
2 changed files with 2 additions and 0 deletions
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board/aarch64/rootfs/boot/syslinux/syslinux.conf
+1
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@@ -1,3 +1,4 @@
label Infix (aarch64)
kernel /boot/Image
fdtdir /boot
append ${bootargs_root} ${bootargs_rauc} ${bootargs_log}
configs/aarch64_defconfig
+1
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@@ -30,6 +30,7 @@ BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="${BR2_EXTERNAL_INFIX_PATH}/board/aarch64/li
BR2_LINUX_KERNEL_DTS_SUPPORT=y
BR2_LINUX_KERNEL_INTREE_DTS_NAME="marvell/armada-3720-espressobin marvell/armada-3720-espressobin-emmc marvell/armada-3720-espressobin-v7 marvell/armada-3720-espressobin-v7-emmc marvell/armada-3720-espressobin-ultra marvell/cn9130-crb-A marvell/cn9130-crb-B sparx5_pcb135_emmc_no_psci"
BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="${BR2_EXTERNAL_INFIX_PATH}/board/aarch64/dts/microchip/sparx5_pcb135_emmc_no_psci.dts"
BR2_LINUX_KERNEL_DTB_KEEP_DIRNAME=y
BR2_LINUX_KERNEL_INSTALL_TARGET=y
BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_INFIX_PATH}/board/common/busybox_defconfig"
BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y