init (podpierdolenie)

modules/apple-silicon-support/packages/uboot-asahi/default.nix

@@ -0,0 +1,44 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildUBoot,
+  m1n1,
+}:
+(buildUBoot rec {
+  src = fetchFromGitHub {
+    # tracking: https://pagure.io/fedora-asahi/uboot-tools/commits/main
+    owner = "AsahiLinux";
+    repo = "u-boot";
+    rev = "c134629a8bc448e979967bf0632fdd5bb42ee1d7";
+    hash = "sha256-EPdpyvblkvQrMCiPjX3Bnqp8s/3Yd/gYM1PQu4PDMhs=";
+  };
+  version = "2024.04-4-asahi";
+
+  defconfig = "apple_m1_defconfig";
+  extraMeta.platforms = ["aarch64-linux"];
+  filesToInstall = [
+    "u-boot-nodtb.bin.gz"
+    "m1n1-u-boot.bin"
+  ];
+  extraConfig = ''
+    CONFIG_IDENT_STRING=" ${version}"
+    CONFIG_VIDEO_FONT_4X6=n
+    CONFIG_VIDEO_FONT_8X16=n
+    CONFIG_VIDEO_FONT_SUN12X22=n
+    CONFIG_VIDEO_FONT_16X32=y
+  '';
+})
+.overrideAttrs (o: {
+  # nixos's downstream patches are not applicable
+  patches = [
+  ];
+
+  # DTC= flag somehow breaks DTC compilation so we remove it
+  makeFlags = builtins.filter (s: (!(lib.strings.hasPrefix "DTC=" s))) o.makeFlags;
+
+  preInstall = ''
+    # compress so that m1n1 knows U-Boot's size and can find things after it
+    gzip -n u-boot-nodtb.bin
+    cat ${m1n1}/build/m1n1.bin arch/arm/dts/t[68]*.dtb u-boot-nodtb.bin.gz > m1n1-u-boot.bin
+  '';
+})