powerpc/mpc85xx: Add DSP side awareness for Freescale Heterogeneous SoCs

[karo-tx-uboot.git] / doc / uImage.FIT / source_file_format.txt

diff --git a/doc/uImage.FIT/source_file_format.txt b/doc/uImage.FIT/source_file_format.txt
index 6d2070758de82111c79d41383e6e4f70328d0f16..427ea498b498793f3af51bdad51dbf3ab351349c 100644 (file)
--- a/doc/uImage.FIT/source_file_format.txt
+++ b/doc/uImage.FIT/source_file_format.txt
@@ -55,14 +55,14 @@ FIT is formally a flattened device tree (in the libfdt meaning), which
 conforms to bindings defined in this document.
 
 .its   - image tree source
-.itb   - image tree blob
+.fit   - flattened image tree blob
 
 c) Image building procedure
 
 The following picture shows how the new uImage is prepared. Input consists of
 image source file (.its) and a set of data files. Image is created with the
 help of standard U-boot mkimage tool which in turn uses dtc (device tree
-compiler) to produce image tree blob (.itb).  Resulting .itb file is is the
+compiler) to produce image tree blob (.itb).  Resulting .itb file is the
 actual binary of a new uImage.
 
 
@@ -101,15 +101,15 @@ Root node of the uImage Tree should have the following layout:
     |
     o images
     | |
-    | o img@1 {...}
-    | o img@2 {...}
+    | o image@1 {...}
+    | o image@2 {...}
     | ...
     |
     o configurations
-      |- default = "cfg@1"
+      |- default = "conf@1"
       |
-      o cfg@1 {...}
-      o cfg@2 {...}
+      o conf@1 {...}
+      o conf@2 {...}
       ...
 
 
@@ -159,21 +159,22 @@ the '/images' node should have the following layout:
   - description : Textual description of the component sub-image
   - type : Name of component sub-image type, supported types are:
     "standalone", "kernel", "ramdisk", "firmware", "script", "filesystem",
-    "fdt".
+    "flat_dt" and others (see uimage_type in common/image.c).
   - data : Path to the external file which contains this node's binary data.
   - compression : Compression used by included data. Supported compressions
     are "gzip" and "bzip2". If no compression is used compression property
     should be set to "none".
 
   Conditionally mandatory property:
-  - os : OS name, mandatory for type="kernel", valid OS names are: "openbsd",
-    "netbsd", "freebsd", "4_4bsd", "linux", "svr4", "esix", "solaris", "irix",
-    "sco", "dell", "ncr", "lynxos", "vxworks", "psos", "qnx", "u_boot",
-    "rtems", "unity", "integrity".
+  - os : OS name, mandatory for types "kernel" and "ramdisk". Valid OS names
+    are: "openbsd", "netbsd", "freebsd", "4_4bsd", "linux", "svr4", "esix",
+    "solaris", "irix", "sco", "dell", "ncr", "lynxos", "vxworks", "psos", "qnx",
+    "u_boot", "rtems", "unity", "integrity".
   - arch : Architecture name, mandatory for types: "standalone", "kernel",
     "firmware", "ramdisk" and "fdt". Valid architecture names are: "alpha",
     "arm", "i386", "ia64", "mips", "mips64", "ppc", "s390", "sh", "sparc",
-    "sparc64", "m68k", "microblaze", "nios2", "blackfin", "avr32", "st200".
+    "sparc64", "m68k", "microblaze", "nios2", "blackfin", "avr32", "st200",
+    "sandbox".
   - entry : entry point address, address size is determined by
     '#address-cells' property of the root node. Mandatory for for types:
     "standalone" and "kernel".
@@ -246,6 +247,8 @@ o config@1
     node of a "ramdisk" type).
   - fdt : Unit name of the corresponding fdt blob (component image node of a
     "fdt type").
+  - setup : Unit name of the corresponding setup binary (used for booting
+    an x86 kernel). This contains the setup.bin file built by the kernel.
 
 The FDT blob is required to properly boot FDT based kernel, so the minimal
 configuration for 2.6 FDT kernel is (kernel, fdt) pair.