<clever>
samueldr: something i have thought of, that we could ask of the rpi foundation, is if start.elf could be modified to behave more like traditional firmware
<clever>
basically, remove the arm initialization code from start.elf (or make it conditional on a flag)
<clever>
and then let linux shove start.elf into ram, and trigger a vc4 jmp into an entry point
<clever>
so you can unlock video out, after linux has booted
<clever>
samueldr: according to that, ddr3 puts all of the dram modules in series, on a single bus, so the latency is different for every ram slot, and you need motherboard specific training data to calibrate it out
<clever>
samueldr: but the rpi only has a single ram chip, so it should be just a single int?
<samueldr>
isn't it LPDDR4?
<clever>
i think so
<samueldr>
yeah, LPDDR4
<clever>
that also reminds me, the open-source firmware, hasnt been tested on the rpi4's dram controller and ddr4 stuff
<clever>
so that may have to be reverse engineered first, before you can even start the above idea
<clever>
samueldr: added haskell code for the firmware extractor to the previous gist
<clever>
so you can unpack any eeprom file
<NickHu>
Hi everyone, my Pinebook Pro is arriving tomorrow - I searched the IRC logs and saw that it's not working fully yet, but I'd like to get hacking on it too
<NickHu>
Wouldn't everything 'just work' with the out of tree ayufan kernel?
<samueldr>
likely to work, though I haven't looked at the BSP based kernels, considering working mainline is right around the corner
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<NickHu>
Has anyone got a prebuilt installer image that will run it?
<NickHu>
I booted the default debian distro, hit auto update, and then it bricked itself
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