hi。all
when i power on the board and press a key to stop the boot in the u-boot. Enter "fastboot" at the terminal prompt，but no "fastboot" command。
http://omappedia.org/wiki/Android_Fastboot see Fastboot on the Blaze title
U-Boot SPL 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39)
OMAP4460 ES1.1
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.bin
mkimage signature not found - ih_magic = ea000014
reading u-boot.bin
U-Boot 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39)
CPU : OMAP4460 ES1.1
Board: OMAP4 Variscite SOM
I2C: ready
DRAM: 1 GiB
MMC: OMAP SD/MMC: 0
Using default environment
In: serial
Out: serial
Err: serial
Net: Net Initialization Skipped
No ethernet found.
checking for preEnv.txt
reading preEnv.txt
** Unable to read "preEnv.txt" from mmc 0:1 **
Hit any key to stop autoboot: 0
VAR-SOM-OM44 # h
? - alias for 'help'
base - print or set address offset
bdinfo - print Board Info structure
boot - boot default, i.e., run 'bootcmd'
bootd - boot default, i.e., run 'bootcmd'
bootm - boot application image from memory
bootp - boot image via network using BOOTP/TFTP protocol
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
crc32 - checksum calculation
dhcp - boot image via network using DHCP/TFTP protocol
echo - echo args to console
editenv - edit environment variable
env - environment handling commands
exit - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls - list files in a directory (default /)
false - do nothing, unsuccessfully
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls - list files in a directory (default /)
fdt - flattened device tree utility commands
go - start application at address 'addr'
gpio - input/set/clear/toggle gpio pins
help - print command description/usage
i2c - I2C sub-system
iminfo - print header information for application image
imxtract- extract a part of a multi-image
itest - return true/false on integer compare
loadb - load binary file over serial line (kermit mode)
loads - load S-Record file over serial line
loady - load binary file over serial line (ymodem mode)
loop - infinite loop on address range
md - memory display
mm - memory modify (auto-incrementing address)
mmc - MMC sub system
mmcinfo - display MMC info
mtest - simple RAM read/write test
mw - memory write (fill)
nm - memory modify (constant address)
ping - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
reset - Perform RESET of the CPU
run - run commands in an environment variable
setenv - set environment variables
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
usb - USB sub-system
usbboot - boot from USB device
version - print monitor, compiler and linker version
VAR-SOM-OM44 #
Thanks
