Add support for i.MX93-EVK platform

flake.nix

@@ -331,6 +331,7 @@
           nxp-imx8mp-evk = import ./nxp/imx8mp-evk;
           nxp-imx8mq-evk = import ./nxp/imx8mq-evk;
           nxp-imx8qm-mek = import ./nxp/imx8qm-mek;
+          nxp-imx93-evk = import ./nxp/imx93-evk;
           hardkernel-odroid-hc4 = import ./hardkernel/odroid-hc4;
           hardkernel-odroid-h3 = import ./hardkernel/odroid-h3;
           hardkernel-odroid-h4 = import ./hardkernel/odroid-h4;

nxp/README.md

@@ -21,17 +21,18 @@ Code snippet example that enables imx8qm configuration:
 }
 ```
 
-### 2.2 For imx8mq-evk/imx8mp-evk
+### 2.2 For imx8mq-evk/imx8mp-evk/imx93-evk
 This NXP overlay is used for generating sdimage.
-Current configuration uses uboot as a bootloader. It provides an options to use optee-os which is currently disabled. It can be enabled using `enable-tee` boolean argument avalable in `imx8m<q/p>-boot.nix`, which is `false` by default.  
+Current configuration uses uboot as a bootloader. It provides an options to use optee-os which is currently disabled. It can be enabled using `enable-tee` boolean argument avalable in `imx8m<q/p>-boot.nix`, which is `false` by default in imx8m platform.
 
-Code snippet example that enables 'imx8mp-evk/emx8mq-evk' configuration:
+Code snippet example that enables 'imx8mp-evk/imx8mq-evk/imx93-evk' configuration:
 
 ```
 { nixos-hardware, }: {
   system = "aarch64-linux";
   modules = [
     nixos-hardware.nixosModules.imx8mp-evk  #For imx8mp-evk
+    #nixos-hardware.nixosModules.imx93-evk  #For imx93-evk
     #nixos-hardware.nixosModules.imx8mq-evk  #For imx8mq-evk
   ];
 }

nxp/common/bsp/imx-linux-builder.nix

@@ -0,0 +1,56 @@
+# Parameterized Linux kernel builder for i.MX platforms
+# This builder is used across i.MX93, i.MX8MP, i.MX8MQ and similar platforms
+{ lib, pkgs, ... }@args:
+let
+  inherit (pkgs) buildLinux;
+
+  # Import common kernel configuration
+  kernelConfig = import ../lib/kernel-config.nix;
+in
+# Platform-specific parameters
+{
+  pname,
+  version,
+  src,
+  defconfig ? "imx_v8_defconfig",
+  # Optional parameters
+  extraConfig ? "",
+  kernelPatches ? [ ],
+  autoModules ? false,
+  ignoreConfigErrors ? true,
+  extraMeta ? { },
+}:
+let
+  # Combine common i.MX kernel config with platform-specific config
+  finalExtraConfig = kernelConfig.imxCommonKernelConfig + extraConfig;
+in
+buildLinux (
+  args
+  // rec {
+    inherit
+      version
+      defconfig
+      kernelPatches
+      autoModules
+      ignoreConfigErrors
+      ;
+    name = pname;
+
+    # modDirVersion needs to be x.y.z, will automatically add .0 if needed
+    modDirVersion = version;
+
+    extraConfig = finalExtraConfig;
+
+    inherit src;
+
+    meta =
+      with lib;
+      {
+        homepage = "https://github.com/nxp-imx/linux-imx";
+        license = [ licenses.gpl2Only ];
+        platforms = [ "aarch64-linux" ];
+      }
+      // extraMeta;
+  }
+  // (args.argsOverride or { })
+)

nxp/common/bsp/imx-optee-builder.nix

@@ -0,0 +1,89 @@
+# Parameterized OP-TEE OS builder for i.MX platforms
+# This builder is used across i.MX93, i.MX8MP, i.MX8MQ and similar platforms
+{
+  lib,
+  pkgs,
+  # Platform-specific parameters
+  pname,
+  version,
+  platformFlavor,
+  src,
+  # Optional parameters
+  meta ? { },
+}:
+let
+  inherit (pkgs.buildPackages) python3;
+  toolchain = pkgs.gccStdenv.cc;
+  binutils = pkgs.gccStdenv.cc.bintools.bintools_bin;
+  cpp = pkgs.gcc;
+
+  # Determine PLATFORM and PLATFORM_FLAVOR from platformFlavor
+  # Format can be either "imx-mx93evk" (full platform string) or "mx8mpevk" (just flavor, platform is "imx")
+  # Check if it starts with "imx-" to determine if it's a full platform string or just a flavor
+  hasFullPlatform = lib.hasPrefix "imx-" platformFlavor;
+  platform = if hasFullPlatform then platformFlavor else "imx";
+  flavor = if hasFullPlatform then null else platformFlavor;
+in
+pkgs.stdenv.mkDerivation {
+  inherit pname version src;
+
+  nativeBuildInputs = [
+    python3
+  ];
+
+  enableParallelBuilding = true;
+
+  propagatedBuildInputs = with python3.pkgs; [
+    pycryptodomex
+    pyelftools
+    cryptography
+  ];
+
+  # Common postPatch for all i.MX platforms
+  # This is the major source of code duplication - ~60 lines of identical substitutions
+  postPatch = ''
+    # Patch all script shebangs automatically
+    patchShebangs scripts/
+    patchShebangs ta/
+
+    # Patch toolchain paths in mk/gcc.mk
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))objcopy" ${binutils}/bin/${toolchain.targetPrefix}objcopy
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))objdump" ${binutils}/bin/${toolchain.targetPrefix}objdump
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))nm" ${binutils}/bin/${toolchain.targetPrefix}nm
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))readelf" ${binutils}/bin/${toolchain.targetPrefix}readelf
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))ar" ${binutils}/bin/${toolchain.targetPrefix}ar
+    substituteInPlace mk/gcc.mk \
+      --replace "\$(CROSS_COMPILE_\$(sm))cpp" ${cpp}/bin/cpp
+  '';
+
+  makeFlags =
+    [
+      "PLATFORM=${platform}"
+    ]
+    ++ lib.optionals (!hasFullPlatform) [
+      "PLATFORM_FLAVOR=${flavor}"
+    ]
+    ++ [
+      "CFG_ARM64_core=y"
+      "CFG_TEE_TA_LOG_LEVEL=0"
+      "CFG_TEE_CORE_LOG_LEVEL=0"
+      "CROSS_COMPILE=${toolchain}/bin/${toolchain.targetPrefix}"
+      "CROSS_COMPILE64=${toolchain}/bin/${toolchain.targetPrefix}"
+    ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp ./out/arm-plat-imx/core/tee-raw.bin $out/tee.bin
+  '';
+
+  meta = {
+    homepage = "https://github.com/nxp-imx/imx-optee-os";
+    license = [ lib.licenses.bsd2 ];
+    platforms = [ "aarch64-linux" ];
+  } // meta;
+}

nxp/common/bsp/imx-uboot-builder.nix

@@ -0,0 +1,97 @@
+# Parameterized U-Boot builder for i.MX platforms
+# This builder is used across i.MX93, i.MX8MP, i.MX8MQ and similar platforms
+{
+  lib,
+  stdenv,
+  buildPackages,
+  # Required dependencies
+  bison,
+  dtc,
+  flex,
+  gnutls,
+  libuuid,
+  ncurses,
+  openssl,
+  perl,
+  efitools,
+  which,
+  # Platform-specific parameters
+  pname,
+  version,
+  src,
+  defconfig,
+  ramdiskAddr,
+  fdtAddr,
+  dtbPath,
+  # Optional parameters
+  extraConfig ? "",
+  extraNativeBuildInputs ? [ ],
+}:
+let
+  # Import common U-Boot configuration
+  ubootConfig = import ../lib/uboot-config.nix;
+
+  # Generate the common config with platform-specific memory addresses
+  commonConfig = ubootConfig.imxCommonUbootConfig {
+    inherit ramdiskAddr fdtAddr;
+  };
+
+  # Combine common config with any platform-specific extra config
+  finalExtraConfig = commonConfig + extraConfig;
+in
+stdenv.mkDerivation {
+  inherit pname version src;
+
+  postPatch = ''
+    patchShebangs tools
+    patchShebangs scripts
+  '';
+
+  nativeBuildInputs = [
+    bison
+    flex
+    openssl
+    which
+    ncurses
+    libuuid
+    gnutls
+    perl
+    efitools
+  ] ++ extraNativeBuildInputs;
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  hardeningDisable = [ "all" ];
+  enableParallelBuilding = true;
+
+  makeFlags = [
+    "DTC=${lib.getExe buildPackages.dtc}"
+    "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+  ];
+
+  extraConfig = finalExtraConfig;
+
+  passAsFile = [ "extraConfig" ];
+
+  configurePhase = ''
+    runHook preConfigure
+
+    make ${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 ${dtbPath} $out
+    cp .config  $out
+
+    runHook postInstall
+  '';
+
+  dontStrip = true;
+}

nxp/common/lib/kernel-config.nix

@@ -0,0 +1,29 @@
+# Shared kernel configuration for i.MX platforms
+# This configuration is used across i.MX93, i.MX8MP, i.MX8MQ and similar platforms
+{
+  # Common kernel extra configuration for i.MX platforms
+  # Includes: virtualization support, EFI boot, RAID, USB/IP, framebuffer settings
+  imxCommonKernelConfig = ''
+    CRYPTO_TLS m
+    TLS y
+    MD_RAID0 m
+    MD_RAID1 m
+    MD_RAID10 m
+    MD_RAID456 m
+    DM_VERITY m
+    LOGO y
+    FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER n
+    FB_EFI n
+    EFI_STUB y
+    EFI y
+    VIRTIO y
+    VIRTIO_PCI y
+    VIRTIO_BLK y
+    DRM_VIRTIO_GPU y
+    EXT4_FS y
+    USBIP_CORE m
+    USBIP_VHCI_HCD m
+    USBIP_HOST m
+    USBIP_VUDC m
+  '';
+}

nxp/common/lib/uboot-config.nix

@@ -0,0 +1,33 @@
+# Shared U-Boot configuration for i.MX platforms
+# This configuration is used across i.MX93, i.MX8MP, i.MX8MQ and similar platforms
+{
+  # Generate common U-Boot extra configuration for i.MX platforms
+  # ramdiskAddr and fdtAddr are platform-specific memory addresses
+  imxCommonUbootConfig =
+    { ramdiskAddr, fdtAddr }:
+    ''
+      CONFIG_USE_BOOTCOMMAND=y
+      CONFIG_BOOTCOMMAND="setenv ramdisk_addr_r ${ramdiskAddr}; setenv fdt_addr_r ${fdtAddr}; 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
+    '';
+
+  # Common U-Boot native build inputs for i.MX platforms
+  imxCommonUbootNativeBuildInputs = [
+    "bison"
+    "flex"
+    "openssl"
+    "which"
+    "ncurses"
+    "libuuid"
+    "gnutls"
+    "openssl"
+    "perl"
+    "efitools"
+  ];
+}