## Errors

### SWIOTLB Buffer

> OF: reserved mem: failed to allocate memory for node
> …
> Can not allocate SWIOTLB buffer earlier and can't now provide you with the
> DMA bounce buffer

Ensure `start_x=1` is in `config.txt` and `start_file`/`fixup_file` are not
specified.


### U-Boot: Overwrite Reserved Memory

> ** Reading file would overwrite reserved memory **

Set `CONFIG_LMB_MAX_REGIONS=16` in `u-boot/.config`