[U-Boot] rk3288: 32KB SPL size restriction

[Kever Yang]

Hi Jagan,


On 08/10/2017 05:07 PM, Jagan Teki wrote:
> Hi Simon/Philipp or any,
>
> I believe rk3288 has 20KB BootRom and 100KB internal SRAM and current
> u-boot can archive the maximum size of u-boot-spl-dtb.bin which the
> boot ROM will read is 32KB, do we have any possibility to increase the
> SPL size here.

The limitation is decide by the boot rom design, so we are not able
to change this. Most of Rockchip SoCs have this limitation except RK3399.

Thanks,
- Kever
>
> # ./tools/mkimage -n rk3288 -T rksd -d ./spl/u-boot-spl-dtb.bin out.img
> Warning: SPL image is too large (size 0x9000) and will not boot
> Error: image verification failed
>
> I tried to increase the spl_size from spl_infos (on tools/rkcommon.c)
> but not able to boot.
>
> thanks!