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<apritzel> machinehum: got a mainline kernel somewhat booted on the V5 (admittedly with a lot of squinting)
<jernej> apritzel: what did you do with DRAM?
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<apritzel> jernej: I cheated, of course ;-)
<apritzel> it's boot0, with "mov r0, #0x20; bx r0" hacked in somewhere after the DRAM init, so I can FEL load U-Boot proper
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<bauen1> interesting, this is new, just booted debian-11.3 on my pine64-lts and now it's spamming:
<bauen1> sun50i-a64-pinctrl 1c20800.pinctrl: supply vcc-pc not found, using dummy regulator
<bauen1> sun50i-a64-pinctrl 1c20800.pinctrl: supply vcc-pf not found, using dummy regulator3
<bauen1> so u-boot loads arm64 efi grub which loads linux, now where does it actually get the dtb from ...
<bauen1> judging by https://www.kernel.org/doc/html/latest/admin-guide/efi-stub.html it's passed on by u-boot over EFI, and u-boot will search for certain dtb files on the ESP partition to load which there are none
<apritzel> bauen1: how did you load grub? explicitly via bootefi? Or just letting U-Boot's autoboot timeout?
<bauen1> apritzel: just let u-boot autoboot
<bauen1> so i think i need a debian image that includes the fdt
<apritzel> well, you can load any DTB in U-Boot, then pass that on
<apritzel> or you wait for a few more days, when we will sync the 4.18 DTBs into U-Boot
<apritzel> bauen1: do you just need a quick solution for now, or are you looking for the proper way?
<bauen1> apritzel: more looking for a proper way
<apritzel> bauen1: do you use a self-built U-Boot?
<bauen1> apritzel: i guess waiting for u-boot dtb sync would mean that the changes that that linux needs would be supplied by u-boot, no patching d-i
<bauen1> apritzel: yes
<bauen1> so i could just copy the dtb from the linux git tree into u-boot and recompile that ?
<apritzel> yes, somewhat, but there is one slight problem, especially if you use older kernels
<bauen1> apritzel: i won't use anything older than 5.10.0-13-arm64
<apritzel> bauen1: if you use a verbatim copy from the kernel tree, you limit yourself to kernels >= v5.13
<apritzel> the patch about to go into U-Boot avoids that problem
<bauen1> thanks, i'll give it a try
<apritzel> bauen1: you might need that other patch that updates the binding header files (or fix that up manually by copying from the kernel tree)
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