prit ntenv 
arch=riscv
b_part=1 2 3
baudrate=115200
board=jh7100
board_name=jh7100
boot_a_script=load ${devtype} ${devnum}:${distro_bootpart} ${scriptaddr} ${prefix}${script}; source ${scriptaddr}
boot_efi_binary=load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} efi/boot/bootriscv64.efi; if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r};else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi
boot_efi_bootmgr=if fdt addr ${fdt_addr_r}; then bootefi bootmgr ${fdt_addr_r};else bootefi bootmgr;fi
boot_extlinux=sysboot ${devtype} ${devnum}:${distro_bootpart} any ${scriptaddr} ${prefix}${boot_syslinux_conf}
boot_prefixes=/ /boot/
boot_script_dhcp=boot.scr.uimg
boot_scripts=boot.scr.uimg boot.scr
boot_syslinux_conf=extlinux/extlinux.conf
boot_targets=dhcp mmc0 
bootcmd=devnum=0; run mmc_boot
bootcmd_dhcp=devtype=dhcp; if dhcp ${scriptaddr} ${boot_script_dhcp}; then source ${scriptaddr}; fi;setenv efi_fdtfile ${fdtfile}; setenv efi_old_vci ${bootp_vci};setenv efi_old_arch ${bootp_arch};setenv bootp_vci PXEClient:Arch:00027:UNDI:003000;setenv bootp_arch 0x1b;if dhcp ${kernel_addr_r}; then tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r}; else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi;fi;setenv bootp_vci ${efi_old_vci};setenv bootp_arch ${efi_old_arch};setenv efi_fdtfile;setenv efi_old_arch;setenv efi_old_vci;
bootcmd_mmc0=devnum=0; run mmc_boot
bootdelay=2
bootdir=/boot
bootenv=uEnv.txt
bootfstype=ext4
bootpart=0:3
cpu=fu740
distro_bootcmd=run bootcmd_mmc0
efi_dtb_prefixes=/ /dtbs-edge/ /dtbs-starfive/
efi_fdtfile=starfive/jh7100-starfive-visionfive-v1.dtb
ethact=dwmac.10020000
ethaddr=6c:cf:39:00:05:a4
ext4bootenv=for b_p in ${b_part}; do if ext4load mmc ${mmcdev}:${b_p} ${loadaddr} ${bootdir}/${bootenv}; then run importbootenv; fi; done;
fatenv=fatload mmc ${testpart} ${loadaddr} ${testenv};env import -t ${loadaddr} ${filesize}
fdt_addr_r=0x88000000
fdt_high=0xffffffffffffffff
fdtcontroladdr=ff6ee700
fdtfile=starfive/jh7100-visionfive.dtb
fdtsetup=fdt addr ${fdtcontroladdr}
fileaddr=a0000000
filesize=1ea
importbootenv=echo Importing environment from mmc${mmcdev} ...; env import -t ${loadaddr} ${filesize}
initrd_high=0xffffffffffffffff
kernel_addr_r=0x84000000
kernel_comp_addr_r=0x90000000
kernel_comp_size=0x10000000
load_efi_dtb=load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${prefix}${efi_fdtfile}
loadaddr=0xa0000000
loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}
mmc_boot=if mmc dev ${devnum}; then devtype=mmc; run scan_dev_for_boot_part; fi
mmcbootenv=setenv bootpart ${mmcdev}:${mmcpart}; mmc dev ${mmcdev}; if mmc rescan; then run loadbootenv && run importbootenv; run ext4bootenv; if test -n $uenvcmd; then echo Run uenvcmd ...; run uenvcmd; fi; fi
mmcdev=0
mmcpart=3
mmcsetup=mmc part
preboot=run mmcbootenv
ramdisk_addr_r=0x88300000
scan_dev_for_boot=echo Scanning ${devtype} ${devnum}:${distro_bootpart}...; for prefix in ${boot_prefixes}; do run scan_dev_for_extlinux; run scan_dev_for_scripts; done;run scan_dev_for_efi;
scan_dev_for_boot_part=part list ${devtype} ${devnum} -bootable devplist; env exists devplist || setenv devplist 1; for distro_bootpart in ${devplist}; do if fstype ${devtype} ${devnum}:${distro_bootpart} bootfstype; then run scan_dev_for_boot; fi; done; setenv devplist
scan_dev_for_efi=setenv efi_fdtfile ${fdtfile}; for prefix in ${efi_dtb_prefixes}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${efi_fdtfile}; then run load_efi_dtb; fi;done;run boot_efi_bootmgr;if test -e ${devtype} ${devnum}:${distro_bootpart} efi/boot/bootriscv64.efi; then echo Found EFI removable media binary efi/boot/bootriscv64.efi; run boot_efi_binary; echo EFI LOAD FAILED: continuing...; fi; setenv efi_fdtfile
scan_dev_for_extlinux=if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${boot_syslinux_conf}; then echo Found ${prefix}${boot_syslinux_conf}; run boot_extlinux; echo SCRIPT FAILED: continuing...; fi
scan_dev_for_scripts=for script in ${boot_scripts}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${script}; then echo Found U-Boot script ${prefix}${script}; run boot_a_script; echo SCRIPT FAILED: continuing...; fi; done
scan_sf_for_scripts=${devtype} read ${scriptaddr} ${script_offset_f} ${script_size_f}; source ${scriptaddr}; echo SCRIPT FAILED: continuing...
script_offset_f=0x1fff000
script_size_f=0x1000
scriptaddr=0x88100000
serial#=VF7100A1-2209-D008E000-000005A5
sf_boot=if sf probe ${busnum}; then devtype=sf; run scan_sf_for_scripts; fi
soc=jh7100
stderr=serial@12440000
stdin=serial@12440000
stdout=serial@12440000
testenv=u74_uEnv.txt
testpart=0:1
vendor=starfive
ver=U-Boot 2022.01-rc2-VisionFive (May 24 2022 - 16:37:12 +0000)StarFive

Environment size: 4766/126972 bytes
VisionFive #