[U-Boot] [PATCH v2 5/5] imx: add i.MX6ULZ board

[Stefan Roese]

Hi Peng,
Hi Fabio,

On 08.08.19 11:55, Peng Fan wrote:
> Add i.MX6ULZ board support. the i.MX6ULZ is SW compatible
> with i.MX6ULL. so most code of i.MX6ULL can be reused
> by i.MX6ULZ.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
> 
> V2:
>   Add entry in MAINTAINERS
> 
>   arch/arm/dts/imx6ulz-14x14-evk.dts    | 22 ++++++++++++++++++
>   board/freescale/mx6ullevk/MAINTAINERS |  1 +
>   board/freescale/mx6ullevk/mx6ullevk.c | 10 ++++++--
>   configs/mx6ulz_14x14_evk_defconfig    | 44 +++++++++++++++++++++++++++++++++++
>   include/configs/mx6ullevk.h           | 13 ++++++++++-
>   5 files changed, 87 insertions(+), 3 deletions(-)
>   create mode 100644 arch/arm/dts/imx6ulz-14x14-evk.dts
>   create mode 100644 configs/mx6ulz_14x14_evk_defconfig

I'm currently looking at this 6ULZ support and have a few questions
(mainly, since I would like to add support for new custom i.MX6ULZ
board in the future). So hopefully you can shed some light into
this.

a)
Why is SPL not used in the mainline i.MX6ULL/ULZ port? The i.MX6UL
(14x14) does use SPL.

b)
Do you have a reference board (eval kit) that supports LPDDR2 on the
i.MX6ULL/ULZ with the U-Boot source code? I'm asking since we plan
to use LPDDR2 instead of DDR3.

Thanks,
Stefan