anchor.diff:    };
   
     extraMakeFlags = [ "BL31=${armTrustedFirmwareRK3328}/bl31.elf" "u-boot.itb" "all" ];
  +
  +  # So close to being blob free... But U-Boot TPL causes the kernel to hang
     postBuild = ''
  -    ./tools/mkimage -n rk3328 -T rksd -d tpl/u-boot-tpl.bin idbloader.img
  +    ./tools/mkimage -n rk3328 -T rksd -d ${rkbin}/rk33/rk3328_ddr_786MHz_v1.06.bin idbloader.img
       cat spl/u-boot-spl.bin >> idbloader.img
       dd if=u-boot.itb of=idbloader.img seek=448 conv=notrunc
     '';
  
positive.code:   defconfig = "rock64-rk3328_defconfig";
    filesToInstall = [ "spl/u-boot-spl.bin" "tpl/u-boot-tpl.bin" "u-boot.itb" "idbloader.img"];
  
    extraMeta = {
      maintainers = [ lib.maintainers.lopsided98 ];
      platforms = ["aarch64-linux"];
    };
  }
  
negative.code: { lib, buildUBoot, fetchFromGitHub, armTrustedFirmwareRK3328 }: let
    rkbin = fetchFromGitHub {
      owner = "ayufan-rock64";
      repo = "rkbin";
      rev = "d8b90685b3d93c358936babdd854f1018bc6d35e";
      sha256 = "0wrh3xa968sdp0j9n692jnv3071ymab719zc56vllba0aaabiaxr";
    };
  in buildUBoot rec {
    name = "uboot-${defconfig}-${version}";
    version = "2018.01";
  
  