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-rw-r--r--nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix b/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
index 1c664e025036..cd5ac292f348 100644
--- a/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
@@ -27,6 +27,12 @@ in
   boot.loader.generic-extlinux-compatible.enable = true;
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
+  # The serial ports listed here are:
+  # - ttyS0: for Tegra (Jetson TK1)
+  # - ttymxc0: for i.MX6 (Wandboard)
+  # - ttyAMA0: for Allwinner (pcDuino3 Nano) and QEMU's -machine virt
+  # - ttyO0: for OMAP (BeagleBone Black)
+  # - ttySAC2: for Exynos (ODROID-XU3)
   boot.kernelParams = ["console=ttyS0,115200n8" "console=ttymxc0,115200n8" "console=ttyAMA0,115200n8" "console=ttyO0,115200n8" "console=ttySAC2,115200n8" "console=tty0"];
 
   # FIXME: this probably should be in installation-device.nix