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MCIMX8M-EVK does not booting. How can i go back to default?

Question asked by KANG JONG SEB on Mar 2, 2020
Latest reply on Mar 4, 2020 by Joan Xie

Fusing on eMMC with MCIMX8M-EVK.

But did not boot.
How can I get back to the initial version?

The boot log is shown below.

 

~~~~~~~ booting log ~~~~~~

U-Boot SPL 2018.03 (Apr 07 2019 - 02:50:00 +0800)
PMIC: PFUZE100 ID=0x10
DDRINFO: start lpddr4 ddr init
DRAM PHY training for 3200MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 400MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 100MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 3200MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Trying to boot from MMC1


U-Boot 2018.03 (Apr 07 2019 - 02:50:00 +0800)

CPU: Freescale i.MX8MQ rev2.1 1500 MHz (running at 1000 MHz)
CPU: Commercial temperature grade (0C to 95C) at 30C
Reset cause: POR
Model: Freescale i.MX8MQ EVK
DRAM: 3 GiB
TCPC: Vendor ID [0x1fc9], Product ID [0x5110], Addr [I2C0 0x50]
MMC: FSL_SDHC: 0, FSL_SDHC: 1
Loading Environment from MMC... *** Warning - bad CRC, using default environment

Failed (-5)
No panel detected: default to HDMI
Display: HDMI (1280x720)
In: serial
Out: serial
Err: serial

BuildInfo:
- ATF a-20190
- U-Boot 2018.03

flash target is MMC:0
Net:
Warning: ethernet@30be0000 using MAC address from ROM
eth0: ethernet@30be0000
cannot get the partion info for misc
idx 0, ptn 0 name='gpt' start=0 len=2048
idx 1, ptn 0 name='' start=0 len=0
idx 2, ptn 0 name='m4_os' start=10240 len=512
idx 3, ptn 0 name='all' start=0 len=30777344
idx 4, ptn 0 name='bootloader0' start=66 len=8192
idx 5, ptn 1 name='EFIESP' start=8448 len=65536
Cannot find partition 4080
do_raw_read failed, ret 1
read_bootctl, bcb_rw_block read failed
read command failed
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot: 0
cannot get the partion info for fbmisc
idx 0, ptn 0 name='gpt' start=0 len=2048
idx 1, ptn 0 name='' start=0 len=0
idx 2, ptn 0 name='m4_os' start=10240 len=512
idx 3, ptn 0 name='all' start=0 len=30777344
idx 4, ptn 0 name='bootloader0' start=66 len=8192
idx 5, ptn 1 name='EFIESP' start=8448 len=65536
fastboot_get_lock_stat: error in get mmc part
fsl_read_from_partition_multi: no misc partition
idx 0, ptn 0 name='gpt' start=0 len=2048
idx 1, ptn 0 name='' start=0 len=0
idx 2, ptn 0 name='m4_os' start=10240 len=512
idx 3, ptn 0 name='all' start=0 len=30777344
idx 4, ptn 0 name='bootloader0' start=66 len=8192
idx 5, ptn 1 name='EFIESP' start=8448 len=65536
avb_ab_flow.c:105: ERROR: Error reading A/B metadata.
fsl_avb_ab_flow.c:603: ERROR: I/O error while loading A/B metadata.
fsl_write_to_partition: no misc partition
idx 0, ptn 0 name='gpt' start=0 len=2048
idx 1, ptn 0 name='' start=0 len=0
idx 2, ptn 0 name='m4_os' start=10240 len=512
idx 3, ptn 0 name='all' start=0 len=30777344
idx 4, ptn 0 name='bootloader0' start=66 len=8192
idx 5, ptn 1 name='EFIESP' start=8448 len=65536
avb_ab_flow.c:134: ERROR: Error writing A/B metadata.

Outcomes