apritzel / pine64

Pine64 Linux images and information
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eFuses? #15

Open IreneKnapp opened 4 years ago

IreneKnapp commented 4 years ago

Hi, I hope you don't mind me reaching out in this way. Somebody on IRC mentioned that you had experimented with burning the e-fuses in the Allwinner A64 a couple years ago to try to use signed boot for your own purposes. I don't know whether you still use IRC, but I would love to continue this work. Is there a chance we could sync about how far you got?

I did see some wiki pages which may have been written by you, detailing how the SoC's boot0 uses the fuses and the format of the signed binaries it's expecting. It's the electrical characteristics that I specifically don't see information about anywhere. I'm prepared to buy a bunch of devices and damage them to figure out voltage and stuff, but I thought it would be best to talk to someone who's tried it first.

I totally understand if you don't have time to talk, or if this was just too long ago and there's nothing useful you can tell me. Either way, thanks in advance!