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authorTom Rini <trini@konsulko.com>2017-09-12 12:02:50 -0400
committerTom Rini <trini@konsulko.com>2017-09-12 12:02:50 -0400
commit8a33cb8b6bdf8a35f931fcc3d8aa15254cfc4b23 (patch)
tree3eaf43d4936e1b8846f0260d95ba10271ee31a0f /doc
parentfa6365b7c7cf06f3de0aaf55d1c8cd1e5bb30151 (diff)
parent42f43aa25876d1c77002ee5f333ab36dcb01d719 (diff)
Merge git://git.denx.de/u-boot-fsl-qoriq
Diffstat (limited to 'doc')
-rw-r--r--doc/uImage.FIT/multi_spl.its7
-rw-r--r--doc/uImage.FIT/source_file_format.txt4
2 files changed, 11 insertions, 0 deletions
diff --git a/doc/uImage.FIT/multi_spl.its b/doc/uImage.FIT/multi_spl.its
index e5551d42b70..d43563d87a2 100644
--- a/doc/uImage.FIT/multi_spl.its
+++ b/doc/uImage.FIT/multi_spl.its
@@ -4,6 +4,13 @@
* (Bogus) example FIT image description file demonstrating the usage
* of multiple images loaded by the SPL.
* Several binaries will be loaded at their respective load addresses.
+ *
+ * For booting U-Boot, "firmware" is searched first. If not found, "loadables"
+ * is used to identify images to be loaded into memory. If falcon boot is
+ * enabled, "kernel" is searched first. If not found, it falls back to the
+ * same flow as booting U-Boot. Changing image type will result skipping
+ * specific image.
+ *
* Finally the one image specifying an entry point will be entered by the SPL.
*/
diff --git a/doc/uImage.FIT/source_file_format.txt b/doc/uImage.FIT/source_file_format.txt
index 136d3d7078e..32825eda8d5 100644
--- a/doc/uImage.FIT/source_file_format.txt
+++ b/doc/uImage.FIT/source_file_format.txt
@@ -288,6 +288,10 @@ The 'data-offset' property can be substituted with 'data-position', which
defines an absolute position or address as the offset. This is helpful when
booting U-Boot proper before performing relocation.
+Normal kernel FIT image has data embedded within FIT structure. U-Boot image
+for SPL boot has external data. Existence of 'data-offset' can be used to
+identify which format is used.
+
9) Examples
-----------