On 13 February 2018 at 16:41, Geert Uytterhoeven
<geert+rene...@glider.be> wrote:
> It is not uncommon for a contemporary FDT to be larger than 64 KiB,
> leading to failures loading the device tree from sysfs:
>     qemu-system-aarch64: qemu_fdt_setprop: Couldn't set ...: FDT_ERR_NOSPACE
> For reference, the largest arm64 DTB created from the Linux sources is
> 70 KiB large (93 KiB when built with symbols/fixup support).

I think we should probably give ourselves a bit more headroom,
then -- at least 256K.

The ppc boards actually define their own version of this constant:

#define FDT_MAX_SIZE            0x00100000

so I think we might as well just go with that in device_tree.c for

-- PMM

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