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authorSimon Glass <sjg@chromium.org>2021-12-16 20:59:39 -0700
committerTom Rini <trini@konsulko.com>2021-12-23 10:25:06 -0500
commitf83feb481be9f1a6b3eb0705c60e931e978d3aa0 (patch)
tree8f64cf958a10a077b2257415daa7c67c54a961fd
parent34af2b16bc378da03bfea443fe05ec04902749cf (diff)
downloadu-boot-WIP/2021-12-13-make-OF_BOARD-a-boolean.zip
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fdt: Show a runtime warning based on devicetree sourceWIP/2021-12-13-make-OF_BOARD-a-boolean
When running, if the devicetree failed to come from the expected source, show a warning, e.g: U-Boot ... DRAM: 128 MiB Core: 42 devices, 11 uclasses, devicetree: separate Warning: Unexpected devicetree source (not from a prior stage) Warning: U-Boot may not function properly Flash: 64 MiB ... These warnings should only appear if the board config has been changed, or the prior stage is broken. Signed-off-by: Simon Glass <sjg@chromium.org>
-rw-r--r--common/board_r.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/common/board_r.c b/common/board_r.c
index 99adff1..6d52066 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -598,6 +598,12 @@ static int dm_announce(void)
if (CONFIG_IS_ENABLED(OF_REAL))
printf(", devicetree: %s", fdtdec_get_srcname());
printf("\n");
+ if (IS_ENABLED(CONFIG_OF_HAS_PRIOR_STAGE) &&
+ (gd->fdt_src == FDTSRC_SEPARATE ||
+ gd->fdt_src == FDTSRC_EMBED)) {
+ printf("Warning: Unexpected devicetree source (not from a prior stage)");
+ printf("Warning: U-Boot may not function properly\n");
+ }
}
return 0;