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Merge pull request #1938 from JamieMagee/raspberry-pi-enable-uart

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raspberry-pi/common: enable UART by default for U-Boot
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Doron Behar 2026-07-09 07:29:17 +00:00 • committed by GitHub
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8
raspberry-pi/common/config-txt-defaults.nix
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@ -18,6 +18,14 @@
arm_boost = lib.mkDefault true;
dtparam = lib.mkDefault [ "audio=on" ];
dtoverlay = lib.mkDefault [ "vc4-kms-v3d" ];
# U-Boot needs the UART enabled to boot (see arch/arm/mach-bcm283x/Kconfig
# in the U-Boot tree). Without it U-Boot hangs on the Pi 4.
enable_uart = lib.mkDefault true;
};
# The Pi 5 has a dedicated debug UART. Leaving the mini UART on feeds ghost
# input into boot, so turn it back off.
pi5 = {
enable_uart = lib.mkDefault false;
};
cm4 = {
otg_mode = lib.mkDefault true;