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Janne Grunau <j@jannau.net> says: The Linux device trees for Apple silicon devices cover now most of the hardware as u-boot's internal device trees for M1 devices. Linux has in addition device trees M2 and M1 and M2 Pro/Max/Ultra devices which were never added in u-boot. The most common use case for u-boot on Apple silicon devices does not use DTBs from u-boot but passes runtime modified device trees from an earlier boot loader (m1n1). This change regresses support for the SPI on M1 and M1 Pro/Max notebooks as SPI keyboard support is not in upstream Linux. This regression is in my opinion acceptable due to the limited use of u-boot's DTBs for these targets. Link: https://lore.kernel.org/r/20260507-apple-dt-upstream-v2-0-35181f2b0509@jannau.net
This patch series adds support for ZFS listing and load to u-boot. To Enable zfs ls and load commands, modify the board specific config file with #define CONFIG_CMD_ZFS Steps to test: 1. After applying the patch, zfs specific commands can be seen in the boot loader prompt using UBOOT #help zfsload- load binary file from a ZFS file system zfsls - list files in a directory (default /) 2. To list the files in zfs pool, device or partition, execute zfsls <interface> <dev[:part]> [POOL/@/dir/file] For example: UBOOT #zfsls mmc 0:5 /rpool/@/usr/bin/ 3. To read and load a file from an ZFS formatted partition to RAM, execute zfsload <interface> <dev[:part]> [addr] [filename] [bytes] For example: UBOOT #zfsload mmc 2:2 0x30007fc0 /rpool/@/boot/uImage References : -- ZFS GRUB sources from Solaris GRUB-0.97 -- GRUB Bazaar repository Jorgen Lundman <lundman at lundman.net> 2012.