Add support for UCM-iMX95 Evaluation Kit platform

The CompuLab UCM-iMX95 Evaluation Kit provides a platform for comprehensive
evaluation of the NXP i.MX95 application processor. This change adds support
in NixOS hardware to provide a template for customized i.MX95-based platforms.

UCM-iMX95: https://www.compulab.com/products/som-evaluation-kits/ucm-imx95-evaluation-kit/

Signed-off-by: Govind Singh <govind.singh@tii.ae>

compulab/ucm-imx95/bsp/ucm-imx95-uboot.nix

@@ -0,0 +1,93 @@
+{
+  stdenv,
+  lib,
+  bison,
+  dtc,
+  fetchgit,
+  flex,
+  gnutls,
+  libuuid,
+  ncurses,
+  openssl,
+  which,
+  perl,
+  buildPackages,
+  efitools,
+}:
+let
+  ubsrc = fetchgit {
+    url = "https://github.com/compulab-yokneam/u-boot-compulab.git";
+    # tag: lf_v2024.04
+    rev = "824401fe487d7d3cbcf251bd60270bd7fe8d21d0";
+    sha256 = "sha256-m+YW7+XF/jcNKfyb5533LXGyOWvStqY+MCczAdcNGZI=";
+  };
+in
+stdenv.mkDerivation {
+  pname = "imx95-uboot";
+  version = "2024.04";
+  src = ubsrc;
+
+  postPatch = ''
+    patchShebangs tools
+    patchShebangs scripts
+  '';
+
+  nativeBuildInputs = [
+    bison
+    flex
+    openssl
+    which
+    ncurses
+    libuuid
+    gnutls
+    openssl
+    perl
+    efitools
+  ];
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  hardeningDisable = [ "all" ];
+  enableParallelBuilding = true;
+
+  makeFlags = [
+    "DTC=${lib.getExe buildPackages.dtc}"
+    "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+  ];
+
+  extraConfig = ''
+    CONFIG_USE_BOOTCOMMAND=y
+    CONFIG_BOOTCOMMAND="setenv ramdisk_addr_r 0x97000000; setenv fdt_addr_r 0x96000000; run distro_bootcmd; "
+    CONFIG_CMD_BOOTEFI_SELFTEST=y
+    CONFIG_CMD_BOOTEFI=y
+    CONFIG_EFI_LOADER=y
+    CONFIG_BLK=y
+    CONFIG_PARTITIONS=y
+    CONFIG_DM_DEVICE_REMOVE=n
+    CONFIG_CMD_CACHE=y
+  '';
+
+  passAsFile = [ "extraConfig" ];
+
+  configurePhase = ''
+    runHook preConfigure
+
+    make ucm-imx95_defconfig
+    cat $extraConfigPath >> .config
+
+    runHook postConfigure
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    cp ./u-boot-nodtb.bin $out
+    cp ./spl/u-boot-spl.bin $out
+    cp ./arch/arm/dts/ucm-imx95.dtb $out
+    cp .config  $out
+
+    runHook postInstall
+  '';
+
+  dontStrip = true;
+}