U-Boot 2020.10-stm32mp-r2 (Jun 01 2022 - 00:00:00 +0000)

DRAM:  512 MiB
WDT:   Started with servicing (32s timeout)
NAND:  0 MiB
MMC:   STM32 SD/MMC: 0, STM32 SD/MMC: 1
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*        WARNING 500mA power supply detected       *
*     Current too low, use a 3A power supply!      *
****************************************************

Net:   eth0: ethernet@5800a000
> printenv partitions
partitions="name=fsbl1,start=1MiB,size=1MiB,type=system;name=fsbl2,size=1MiB,type=system;name=fip,size=1MiB,type=system;name=flag1,size=1MiB;name=flag2,size=1MiB;name=factoryflag,size=1MiB;name=image1,size=256MiB;name=image2,size=256MiB;name=factoryimage,size=256MiB;name=conf,size=6700MiB;name=var,size=256MiB"
> gpt verify mmc 0 $partitions
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
gpt_verify_headers: *** ERROR: Invalid Backup GPT ***
> gpt write mmc 0 $partitions
Writing GPT: >
Writing GPT: > PS1 br0ke?
Unknown command 'PS1' - try 'help'
> printenv partitions
partitions="name=fsbl1,start=1MiB,size=1MiB,type=system;name=fsbl2,size=1MiB,type=system;name=fip,size=1MiB,type=system;name=flag1,size=1MiB;name=flag2,size=1MiB;name=factoryflag,size=1MiB;name=image1,size=256MiB;name=image2,size=256MiB;name=factoryimage,size=256MiB;name=conf,size=6700MiB;name=var,size=256MiB"
> printenv
## Error: cannot export environment
>