From f49906d80c30dbb37a2d2d188ab9bd9793a4ac3f Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Sat, 5 May 2018 19:02:00 +0300
Subject: nixos/sd-image-raspberrypi: Support Raspberry Pi Zero

---
 .../installer/cd-dvd/sd-image-raspberrypi.nix      | 25 ++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

(limited to 'nixos/modules/installer')

diff --git a/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix b/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
index 212013b5e289..fe6cc4161630 100644
--- a/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
@@ -31,11 +31,24 @@ in
   users.extraUsers.root.initialHashedPassword = "";
 
   sdImage = {
-    populateBootCommands = ''
-      (cd ${pkgs.raspberrypifw}/share/raspberrypi/boot && cp bootcode.bin fixup*.dat start*.elf $NIX_BUILD_TOP/boot/)
-      cp ${pkgs.ubootRaspberryPi}/u-boot.bin boot/u-boot-rpi.bin
-      echo 'kernel u-boot-rpi.bin' > boot/config.txt
-      ${extlinux-conf-builder} -t 3 -c ${config.system.build.toplevel} -d ./boot
-    '';
+    populateBootCommands = let
+      configTxt = pkgs.writeText "config.txt" ''
+        # Prevent the firmware from smashing the framebuffer setup done by the mainline kernel
+        # when attempting to show low-voltage or overtemperature warnings.
+        avoid_warnings=1
+
+        [pi0]
+        kernel=u-boot-rpi0.bin
+
+        [pi1]
+        kernel=u-boot-rpi1.bin
+      '';
+      in ''
+        (cd ${pkgs.raspberrypifw}/share/raspberrypi/boot && cp bootcode.bin fixup*.dat start*.elf $NIX_BUILD_TOP/boot/)
+        cp ${pkgs.ubootRaspberryPiZero}/u-boot.bin boot/u-boot-rpi0.bin
+        cp ${pkgs.ubootRaspberryPi}/u-boot.bin boot/u-boot-rpi1.bin
+        cp ${configTxt} boot/config.txt
+        ${extlinux-conf-builder} -t 3 -c ${config.system.build.toplevel} -d ./boot
+      '';
   };
 }
-- 
cgit 1.4.1