diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/uImage.FIT/multi_spl.its | 7 | ||||
| -rw-r--r-- | doc/uImage.FIT/source_file_format.txt | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/doc/uImage.FIT/multi_spl.its b/doc/uImage.FIT/multi_spl.its index e5551d42b7..d43563d87a 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 136d3d7078..32825eda8d 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 ----------- |