From b5e85308ee4085ff625909664f814be17588feaa Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Mon, 6 Jan 2020 20:28:54 -0500
Subject: [PATCH] Prefer tty0 console

---
 nixos/sd-image-aarch64.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/nixos/sd-image-aarch64.nix b/nixos/sd-image-aarch64.nix
index f85017d..b55bee3 100644
--- a/nixos/sd-image-aarch64.nix
+++ b/nixos/sd-image-aarch64.nix
@@ -19,9 +19,13 @@ in
   boot.kernelParams = [
     "cma=32M"
     #"console=ttyS0,115200n8" "console=ttyAMA0,115200n8" "console=tty0"
-    "console=tty0"
+
     "console=ttyS2,1500000n8"
     "earlycon=uart8250,mmio32,0xff1a0000" "earlyprintk"
+
+    # The last console parameter will be where the boot process will print
+    # its messages. Comment or move abot ttyS2 for better serial debugging.
+    "console=tty0"
   ];
 
   services.mingetty.serialSpeed = [ 1500000 115200 57600 38400 9600 ];