Add config for Librem 5

purism/librem/5r4/u-boot/build.nix

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+with import <nixpkgs> { system = "aarch64-linux"; }; callPackage ./. { }

purism/librem/5r4/u-boot/default.nix

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+{ stdenv, buildUBoot, fetchurl, fetchFromGitLab, lib, flex, bison }:
+let
+  firmware-imx = stdenv.mkDerivation (fa: {
+    pname = "firmware-imx";
+    version = "8.12";
+    src = fetchurl {
+      url = "https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/${fa.pname}-${fa.version}.bin";
+      sha256 = "1vr2wgjac718hp48arhdvxd7gib93zhdrbrla8w3xigc6szlfrvb";
+    };
+    unpackPhase = ''
+      cp $src firmware
+      chmod +x firmware
+      ./firmware --auto-accept
+    '';
+    installPhase = ''
+      mkdir -p $out
+      cd ${fa.pname}-${fa.version}/firmware
+      cp ddr/synopsys/lpddr4_pmu_train_?d_?mem.bin hdmi/cadence/signed_*_imx8m.bin $out
+    '';
+    meta.license = lib.licenses.unfree;
+  });
+
+  arm-trusted-firmware-imx8mq = stdenv.mkDerivation (fa: {
+    pname = "arm-trusted-firmware-bl31";
+    version = "unstable-2020-07-08";
+    src = fetchFromGitLab {
+      domain = "source.puri.sm";
+      owner = "Librem5";
+      repo = "arm-trusted-firmware";
+      rev = "1fd3ff86cd4a05cd3e5637bf5a6902ac58fcafb9";
+      hash = "sha256-fzpUxq+Hz7pijv5Mvzz+bUkaH79YSaugVUnViF7NB3A=";
+    };
+    enableParallelBuilding = true;
+    hardeningDisable = [ "all" ];
+    NIX_LDFLAGS = "--no-warn-rwx-segments";
+    buildFlags = [ "PLAT=imx8mq" "bl31" ];
+    installPhase = ''
+      mkdir -p $out
+      cp build/imx8mq/release/bl31.bin $out
+    '';
+    dontStrip = true;
+  });
+
+  ubootLibrem5 = buildUBoot {
+    version = "2022.10-librem5.1";
+    defconfig = "librem5_defconfig";
+    src = fetchFromGitLab {
+      domain = "source.puri.sm";
+      owner = "a-wai";
+      repo = "uboot-imx";
+      rev = "3a836701279ed1f51063dc5da6f59adc4809093e";
+      hash = "sha256-69auZ8GzyhSBxzi4jc6IyyQ6JBrTYXaOk6dZ+joUgF4=";
+    };
+    BL31 = "${arm-trusted-firmware-imx8mq}/bl31.bin";
+    preConfigure = ''
+      cp $BL31 .
+      cp ${firmware-imx}/* .
+    '';
+    preInstall = ''
+      cp flash.bin u-boot.imx
+    '';
+    filesToInstall = [ "u-boot.imx" ];
+    postInstall = ''
+      mkdir $out/bin
+      sed 's|TARGET="/usr/lib/u-boot/librem5.*"|TARGET="${placeholder "out"}"|' \
+        $src/debian/bin/u-boot-install-librem5 > $out/bin/u-boot-install-librem5
+    '';
+  };
+in
+ubootLibrem5