Hi Fabio,

On Mon, Jul 18, 2016 at 10:59:43PM -0300, Fabio Estevam wrote:
>Hi Peng,
>
>On Mon, Jul 18, 2016 at 10:48 PM, Peng Fan <van.free...@gmail.com> wrote:
>
>> If you burned u-boot using mfgtool, the uboot will be burned into boot 
>> partition.
>> However when uboot boots up, it will switch to user partition.
>> You need to switch to read/write/erase boot partition in u-boot.
>
>What are the commands you would suggest in this case?
>
>I am able to flash the eMMC via dfu commands (like described in
>board/warp/README).

If you do not use mfgtool, all is ok.

If you use mfgtool, it will burn uboot to boot partition, not user partition.

>
>What method do you use in order to switch to read/write/erase boot
>partition in U-Boot?

See:
mmc partconf dev boot_ack boot_partition partition_access

You can use
"mmc partconf 2 1 1 1"
"erase uboot"
"mmc partconf 2 1 1 0"

Not verified.

Regards,
Peng.
>
>Thanks
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