Probably a better example than WiFi would be the on-chip SDRAM controller. It's always somebody else's IP and there's a blob in the boot firmware that's just bi

Probably a better example than WiFi would be the on-chip SDRAM controller. It's always somebody else's IP and there's a blob in the boot firmware that's just binary register settings. Like so: https://github.com/u-boot/u-boot/blob/master/arch/riscv/dts/fu740-hifive-unmatched-a00-ddr.dtsi https://github.com/u-boot/u-boot/blob/master/arch/riscv/dts/...