On Tue, Jan 20, 2026 at 03:33:12PM +0000, Jamie Gibbons wrote:
> After U-Boot's DTC/libfdt update, device tree overlay application could
> fail with FDT_ERR_ALIGNMENT due to the overlay DTBO being loaded at a
> misaligned address. Change the FIT image loader option in image-fit.c
> from FIT_LOAD_IGNORED to FIT_LOAD_OPTIONAL_NON_ZERO, to ensure overlays
> are loaded at properly aligned addresses and any alignment errors are
> resolved.
>
> Tested on: PolarFire SoC Icicle Kit
>
> Fixes: 0535e46d55d ("scripts/dtc: Update to upstream version
> v1.7.2-35-g52f07dcca47c")
> Signed-off-by: Jamie Gibbons <[email protected]>
> ---
> boot/image-fit.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/boot/image-fit.c b/boot/image-fit.c
> index 2d040e38d97..3a327d07784 100644
> --- a/boot/image-fit.c
> +++ b/boot/image-fit.c
> @@ -2481,7 +2481,7 @@ int boot_get_fdt_fit(struct bootm_headers *images,
> ulong addr,
> addr, &uname, &uconfig,
> arch, IH_TYPE_FLATDT,
> BOOTSTAGE_ID_FIT_FDT_START,
> - FIT_LOAD_IGNORED, &ovload, &ovlen);
> + FIT_LOAD_OPTIONAL_NON_ZERO, &ovload, &ovlen);
> if (ov_noffset < 0) {
> printf("load of %s failed\n", uname);
> continue;After talking with Marek about this more, we think this is the wrong approach. Can you please try dropping the load_op test from 8fbcc0e0e839 and seeing if that also fixes your problem? If so, please post a patch with that and a Fixes tag, thanks! -- Tom
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