doc/uImage.FIT/kernel_fdts_compressed.its

   1 /*
   2  * U-Boot uImage source file with a kernel and multiple compressed FDT blobs.
   3  * Since the FDTs are compressed, configurations must provide a compatible
   4  * string to match directly.
   5  */
   6
   7 /dts-v1/;
   8
   9 / {
  10         description = "Image with single Linux kernel and compressed FDT blobs";
  11         #address-cells = <1>;
  12
  13         images {
  14                 kernel {
  15                         description = "Vanilla Linux kernel";
  16                         data = /incbin/("./vmlinux.bin.gz");
  17                         type = "kernel";
  18                         arch = "ppc";
  19                         os = "linux";
  20                         compression = "gzip";
  21                         load = <00000000>;
  22                         entry = <00000000>;
  23                         hash-1 {
  24                                 algo = "crc32";
  25                         };
  26                         hash-2 {
  27                                 algo = "sha1";
  28                         };
  29                 };
  30                 fdt@1 {
  31                         description = "Flattened Device Tree blob 1";
  32                         data = /incbin/("./myboard-var1.dtb");
  33                         type = "flat_dt";
  34                         arch = "ppc";
  35                         compression = "gzip";
  36                         hash-1 {
  37                                 algo = "crc32";
  38                         };
  39                         hash-2 {
  40                                 algo = "sha1";
  41                         };
  42                 };
  43                 fdt@2 {
  44                         description = "Flattened Device Tree blob 2";
  45                         data = /incbin/("./myboard-var2.dtb");
  46                         type = "flat_dt";
  47                         arch = "ppc";
  48                         compression = "lzma";
  49                         hash-1 {
  50                                 algo = "crc32";
  51                         };
  52                         hash-2 {
  53                                 algo = "sha1";
  54                         };
  55                 };
  56         };
  57
  58         configurations {
  59                 default = "conf@1";
  60                 conf@1 {
  61                         description = "Boot Linux kernel with FDT blob 1";
  62                         kernel = "kernel";
  63                         fdt = "fdt@1";
  64                         compatible = "myvendor,myboard-variant1";
  65                 };
  66                 conf@2 {
  67                         description = "Boot Linux kernel with FDT blob 2";
  68                         kernel = "kernel";
  69                         fdt = "fdt@2";
  70                         compatible = "myvendor,myboard-variant2";
  71                 };
  72         };
  73 };