[PATCH] powerpc/mpc83xx: Move alignment padding into __u_boot_list section

[Tom Rini]

On Sun, Mar 29, 2026 at 05:04:36PM +0200, J. Neuschäfer via B4 Relay wrote:

> From: "J. Neuschäfer" <j.ne at posteo.net>
> 
> u-boot-dtb.bin is built by concatenating u-boot-nodtb.bin and u-boot.dtb.
> u-boot-nodtb.bin, in turn, is generated by objcopy'ing the contents of
> u-boot (U-Boot in ELF format) into a raw file.
> 
> In order to find the bundled FDT (u-boot.dtb), the code in lib/fdtdec.c
> uses the _end symbol. Platform-specific linker scripts ensure that _end is
> 8-byte aligned, which is required by libfdt.
> 
> For the PowerPC MPC83xx platform, the ALIGN(8) directive was outside a
> section, with the unfortunate effect that the potentially generated padding
> bytes would not be copied by objcopy. This resulted in a discrepancy
> between the _end symbol on the one hand, and the size of u-boot-nodtb.bin
> and thus the starting location of the actual FDT on the other side. Under
> these conditions, the FDT could not be found and boot would fail early.
> 
> This commit fixes it by moving the ALIGN(8) into the __u_boot_list section,
> which is non-empty and thus copied into u-boot-nodtb.bin.
> 
> Signed-off-by: J. Neuschäfer <j.ne at posteo.net>

Sorry for missing this when trying to fix up all the architectures.

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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