azonenberg,
@azonenberg@ioc.exchange avatar

@dlharmon You've done bare metal Zynq-7 stuff right?

Do you have any kind of blog or resources to talk about how to set up an extreme minimalist no-OS bare metal Zynq firmware?

Ideally I'd like just a single source file (not generated by vivado, something I can actually write from scratch) that I can just build with arm-none-eabi-g++, put on a SD card (zynq doesn't allow you to jtag binaries to the PS right?), and then boot up and give me some sign of life by poking a GPIO SFR or something.

Ultimately my goal is to experiment with some truly cursed things that are likely incompatible with all of the generated wrappers, petalinux, etc.

Things like having PL be a CoreSight APB bus master that can poke debug registers on the A9s.

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