[U-Boot] [PATCH 04/07] fdtdec: allow board to provide fdt for CONFIG_OF_SEPARATE

[Peter Robinson]

On Tue, Jan 9, 2018 at 7:59 AM, Jorge Ramirez
<jorge.ramirez-ortiz at linaro.org> wrote:
> On 01/09/2018 04:37 AM, Peter Robinson wrote:
>
> +#if CONFIG_IS_ENABLED(OF_SEPARATE)
> +/*
> + * For CONFIG_OF_SEPARATE, the board may optionally implement this to
> + * provide and/or fixup the fdt.
> + */
> +__weak void *board_fdt_blob_setup(void)
> +{
> +       void *fdt_blob = NULL;
> +#ifdef CONFIG_SPL_BUILD
> +       /* FDT is at end of BSS unless it is in a different memory region */
> +       if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS))
> +               fdt_blob = (ulong *)&_image_binary_end;
> +       else
> +               fdt_blob = (ulong *)&__bss_end;
> +#else
> +       /* FDT is at end of image */
> +       fdt_blob = (ulong *)&_end;
> +#endif
> +       return fdt_blob;
> +}
> +#endif
>
> For some reason now with 2018.01 I'm getting the following error when
> building on Fedora 28
>
> /builddir/build/BUILD/u-boot-2018.01/lib/fdtdec.c:1312: undefined
> reference to `board_fdt_blob_setup'
> /builddir/build/BUILD/u-boot-2018.01/lib/fdtdec.c:1312:(.text.fdtdec_setup+0x10):
> relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
> `board_fdt_blob_setup'
>
> I'm going to have a further look into it from my side (could be tweaks
> to compile flags etc) but just FYI.
>
> Peter
>
>
> is this after a clean build?

Yep, the Fedora build process starts from clean for each build.

Peter