Add support for i.MX93-EVK platform

The i.MX93 EVK provides a platform for comprehensive evaluation
of the i.MX93 application processors. This change adds support
in NixOS hardware to provide a template for customized i.MX93-based
platforms.

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

nxp/imx93-evk/bsp/imx93-atf.nix

@@ -0,0 +1,50 @@
+{ lib, fetchgit, stdenv, buildPackages, pkgsCross, openssl }:
+
+let
+  target-board = "imx93";
+in stdenv.mkDerivation rec {
+  pname = "imx93-atf";
+  version = "2.10.0";
+  platform = target-board;
+  enableParallelBuilding = true;
+
+  src = fetchgit {
+    url = "https://github.com/nxp-imx/imx-atf.git";
+    rev = "28affcae957cb8194917b5246276630f9e6343e1";
+    sha256 = "sha256-a8F+Lf8pwML+tCwawS0N/mrSXWPmFhlUeOg0MCRK3VE=";
+  };
+
+  # Compiler dependencies
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  nativeBuildInputs = [ pkgsCross.aarch64-embedded.stdenv.cc ];
+
+  buildInputs = [ openssl ];
+
+  makeFlags = [
+    "HOSTCC=$(CC_FOR_BUILD)"
+    "CROSS_COMPILE=${pkgsCross.aarch64-embedded.stdenv.cc.targetPrefix}"
+    "PLAT=${platform}"
+    "SPD=opteed"
+    "bl31"
+    "LDFLAGS=-no-warn-rwx-segments"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+    cp build/${target-board}/release/bl31.bin $out
+    runHook postInstall
+  '';
+
+  hardeningDisable = [ "all" ];
+  dontStrip = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/nxp-imx/imx-atf";
+    description = "Reference implementation of secure world software for ARMv8-A";
+    license = [ licenses.bsd3 ];
+    maintainers = with maintainers; [ govindsi ];
+    platforms = [ "aarch64-linux" ];
+  };
+}
+