=> bdinfo
arch_number = 0x00000000
boot_params = 0x80000100
DRAM bank   = 0x00000000
-> start    = 0x80000000
-> size     = 0x40000000
eth0name    = FEC0
ethaddr     = 00:11:0c:22:4d:4a
current eth = FEC0
ip_addr     = <NULL>
baudrate    = 115200 bps
TLB addr    = 0xBFFF0000
relocaddr   = 0xBFF62000
reloc off   = 0x22762000
irq_sp      = 0xBDF61EA0
sp start    = 0xBDF61E90
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=> version

U-Boot 2016.07-at22 (Oct 15 2021 - 18:00:12 +0900)
arm-linux-gnueabihf-gcc (Debian 6.3.0-18) 6.3.0 20170516
GNU ld (GNU Binutils for Debian) 2.28
=> crc32
crc32 - checksum calculation

Usage:
crc32 address count [addr]
    - compute CRC32 checksum [save at addr]
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=> printenv
baudrate=115200
boot_fdt=try
bootargs=console=ttymxc4,115200 root=/dev/mmcblk2p2 rootwait rw
bootcmd=mmc dev ${mmcdev};mmc dev ${mmcdev}; if mmc rescan; then if run loadbootscript; then run bootscript; else setenv mmcpart 3; if run loadbootscript; then run bootscript; fi; setenv mmcpart 1; if run loadimage; then run mmcboot; else run netboot; fi; fi; else run netboot; fi
bootcmd_mfg=run mfgtool_args;bootz ${loadaddr} ${initrd_addr} ${fdt_addr};
bootscript=echo Running bootscript from mmc ...; source
console=ttymxc4
ethact=FEC0
ethaddr=00:11:0c:22:4d:4a
ethprime=FEC
fdt_addr=0x84800000
fdt_file=armadillo_x1.dtb
fdt_high=0xffffffff
fileaddr=84800000
filesize=c738
image=uImage
initrd_addr=0x85000000
initrd_high=0xffffffff
ip_dyn=yes
loadaddr=0x82000000
loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};
loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}
loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}
loadm4image=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4image}
m4boot=sf probe 0:0; bootaux 0x60000000
m4image=m4_qspi.bin
mfgtool_args=setenv bootargs console=${console},${baudrate} rdinit=/linuxrc g_mass_storage.stall=0 g_mass_storage.removable=1 g_mass_storage.idVendor=0x066F g_mass_storage.idProduct=0x37FF g_mass_storage.iSerialNumber="" clk_ignore_unused
mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot} ${optargs}
mmcautodetect=yes
mmcboot=echo Booting from mmc ...; run mmcargs; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if run loadfdt; then bootm ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootm; else echo WARN: Cannot load the DT; fi; fi; else bootm; fi;
mmcdev=0
mmcpart=1
mmcroot=/dev/mmcblk2p2 rootwait rw
netargs=setenv bootargs console=${console},${baudrate} root=${mmcroot} ${optargs} ip=dhcp
netboot=echo Booting from net ...; run netargs; if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; ${get_cmd} ${image}; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if ${get_cmd} ${fdt_addr} ${fdt_file}; then bootm ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootm; else echo WARN: Cannot load the DT; fi; fi; else bootm; fi;
revision#=0x0002
script=boot.scr
serial#=11894
stderr=serial
stdin=serial
stdout=serial
update_m4_from_sd=if sf probe 0:0; then if run loadm4image; then setexpr fw_sz ${filesize} + 0xffff; setexpr fw_sz ${fw_sz} / 0x10000; setexpr fw_sz ${fw_sz} * 0x10000; sf erase 0x0 ${fw_sz}; sf write ${loadaddr} 0x0 ${filesize}; fi; fi

Environment size: 2636/8188 bytes
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=> help
?       - alias for 'help'
base    - print or set address offset
bdinfo  - print Board Info structure
boot    - boot default, i.e., run 'bootcmd'
bootaux - Start auxiliary core
bootd   - boot default, i.e., run 'bootcmd'
bootefi - Boots an EFI payload from memory
bootelf - Boot from an ELF image in memory
bootm   - boot application image from memory
bootp   - boot image via network using BOOTP/TFTP protocol
bootvx  - Boot vxWorks from an ELF image
bootz   - boot Linux zImage image from memory
clocks  - display clocks
cmp     - memory compare
coninfo - print console devices and information
cp      - memory copy
crc32   - checksum calculation
dcache  - enable or disable data cache
dfu     - Device Firmware Upgrade
dhcp    - boot image via network using DHCP/TFTP protocol
dm      - Driver model low level access
echo    - echo args to console
editenv - edit environment variable
env     - environment handling commands
erase   - erase FLASH memory
exit    - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls  - list files in a directory (default /)
ext4load- load binary file from a Ext4 filesystem
ext4ls  - list files in a directory (default /)
ext4size- determine a file's size
ext4write- create a file in the root directory
false   - do nothing, unsuccessfully
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls   - list files in a directory (default /)
fatsize - determine a file's size
fatwrite- write file into a dos filesystem
fdt     - flattened device tree utility commands
flinfo  - print FLASH memory information
go      - start application at address 'addr'
gpio    - query and control gpio pins
help    - print command description/usage
i2c     - I2C sub-system
icache  - enable or disable instruction cache
itest   - return true/false on integer compare
loadb   - load binary file over serial line (kermit mode)
loads   - load S-Record file over serial line
loadx   - load binary file over serial line (xmodem mode)
loady   - load binary file over serial line (ymodem mode)
loop    - infinite loop on address range
md      - memory display
md5sum  - compute MD5 message digest
mdio    - MDIO utility commands
mii     - MII utility commands
mm      - memory modify (auto-incrementing address)
mmc     - MMC sub system
mmcinfo - display MMC info
mw      - memory write (fill)
nfs     - boot image via network using NFS protocol
nm      - memory modify (constant address)
ping    - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
protect - enable or disable FLASH write protection
reset   - Perform RESET of the CPU
run     - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv  - set environment variables
setexpr - set environment variable as the result of eval expression
sf      - SPI flash sub-system
showvar - print local hushshell variables
sleep   - delay execution for some time
source  - run script from memory
test    - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
true    - do nothing, successfully
ums     - Use the UMS [USB Mass Storage]
usb     - USB sub-system
usbboot - boot from USB device
version - print monitor, compiler and linker version
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=> boot
switch to partitions #0, OK
mmc0(part 0) is current device
switch to partitions #0, OK
mmc0(part 0) is current device
reading boot.scr
** Unable to read file boot.scr **
reading boot.scr
** Unable to read file boot.scr **
reading uImage
0 bytes read in 7 ms (0 Bytes/s)
Booting from mmc ...
reading armadillo_x1.dtb
51000 bytes read in 17 ms (2.9 MiB/s)
Wrong Image Format for bootm command
ERROR: can't get kernel image!
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