From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bin Meng <bmeng.cn@gmail.com>
Date: Thu, 7 Jan 2016 14:15:50 +0800
Subject: [U-Boot] [PATCH 0/8] arm: ls1021atwr: Convert to driver model
 and enable serial support
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Hi Alison,

On Thu, Jan 7, 2016 at 2:01 PM, Huan Wang <alison.wang@nxp.com> wrote:
> Hi, Bin,
>
>> On Wed, Jan 6, 2016 at 1:31 PM, Huan Wang <alison.wang@nxp.com> wrote:
>> > Hi,
>> >
>> >         I tested this set on my LS1021ATWR board. NOR boot using DUART
>> as serial output is ok. But NOR boot using LPUART as serial output
>> failed. How about your test result?
>> >
>>
>> Yes, I tested NOR boot using DUART or LPUART. Both boot. I suspect you
>> forgot to update the RCW for LPUART, or change the jumper setting (J19,
>> J20) to route the LPUART signal.
>>
> [Alison Wang] I updated the RCW for LPUART and changed the jumper setting
> (J19, J20). Without this set, NOR boot using LPUART is ok. But after adding
> this set, NOR boot using LPUART failed.
>

That's strange. Can you please send your build instructions? Did you
program the u-boot-dtb.bin (not u-boot.bin anymore) to the NOR?

Regards,
Bin