有没有办法恢复默认的u-boot环境？比如恢复出厂设置？

有没有办法恢复默认的 u-boot 环境？比如恢复出厂设置？
我搞砸了系统的样子，它不再启动了。我的 eMMC 无法使用并且无法从 SD 启动。感谢帮助！！

U-Boot SPL 2020.04-00022-g332c0bf3 (Apr 07 2022 - 15:57:48 +0000)
Training for 3GByte Micron
DDRINFO: start DRAM init
DDRINFO: DRAM rate 3000MTS
Training FAILED
Re-training for 1GByte Samsung memory
DDRINFO: start DRAM init
DDRINFO: DRAM rate 4000MTS
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Trying to boot from BOOTROM
image offset 0x8000, pagesize 0x200, ivt offset 0x0
NOTICE:  BL31: v2.2(release):rel_imx_5.4.70_2.3.0-0-gf1d7187f2
NOTICE:  BL31: Built : 10:39:24, Apr  4 2022


U-Boot 2020.04-00022-g332c0bf3 (Apr 07 2022 - 15:57:48 +0000)

CPU:   i.MX8MP[8] rev1.1 1800 MHz (running at 1200 MHz)
CPU:   Commercial temperature grade (0C to 95C) at 42C
Reset cause: POR
Model: NXP i.MX8MPlus LPDDR4 SolidRun board
DRAM:  1 GiB
MMC:   FSL_SDHC: 1, FSL_SDHC: 2
Loading Environment from MMC... OK-Video Link 0probe video device failed, ret -2

        [0] lcd-controller@32e80000, video
        [1] mipi_dsi@32e60000, video_bridge
        [2] adv7535@39, panel
probe video device failed, ret -2
In:    serial
Out:   serial
Err:   serial

BuildInfo:
  - ATF f1d7187
  - U-Boot 2020.04-00022-g332c0bf3

switch to partitions #0, OK
mmc2(part 0) is current device
board_late_init: could not identify board, defaulting to HummingBoard Pulse Revision 2.5!
board_late_init: fdtfile set in environment, keeping as is.
flash target is MMC:2
Net:
Warning: ethernet@30bf0000 (eth1) using random MAC address - 62:b9:ee:7c:bd:77
eth1: ethernet@30bf0000 [PRIME]
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot:  0
u-boot=> mmc list
FSL_SDHC: 1
FSL_SDHC: 2 (eMMC)
u-boot=> mmc dev 1
switch to partitions #0, OK
mmc1 is current device
u-boot=> ls mmc 2:1
** Unrecognized filesystem type **