It can be useful for the OS (Linux) to know which configuration has been chosen by U-Boot when launching a FIT image. Store the name of the FIT configuration node used in a new string property called 'u-boot,bootconf' in the '/chosen' node in device tree.

Signed-off-by: Daniel Golle daniel@makrotopia.org --- v2: change node name to 'u-boot,bootconf' instead of just 'bootconf'

Sibling PR to dt-schema: https://github.com/devicetree-org/dt-schema/pull/71

boot/image-fdt.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/boot/image-fdt.c b/boot/image-fdt.c index 692a9ad3e4..fdb69926a2 100644 --- a/boot/image-fdt.c +++ b/boot/image-fdt.c @@ -601,6 +601,12 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob, goto err; }

+ /* Store name of configuration node as u-boot,bootconf in /chosen node */ + if (images->fit_uname_cfg) + fdt_find_and_setprop(blob, "/chosen", "u-boot,bootconf", + images->fit_uname_cfg, + strlen(images->fit_uname_cfg) + 1, 1); + /* Update ethernet nodes */ fdt_fixup_ethernet(blob); #if CONFIG_IS_ENABLED(CMD_PSTORE)