Notas sobre el bootloader, U-Boot. Esta una versión levemente modificada para CSM1200.
help
CSM1201 # help
? - alias for 'help'
anx9030_init - initial hdmi transmitter of Analogix 9030
autoscr - run script from memory
base - print or set address offset
bdinfo - print Board Info structure
bootm - boot application image from memory
bootp - boot image via network using BootP/TFTP protocol
check - check memory value
cmp - memory compare
cp - memory copy
crc32 - checksum calculation
dhcp - invoke DHCP client to obtain IP/boot params
diskboot- boot from IDE device
echo - echo args to console
eeprom - EEPROM sub-system
erase - erase FLASH memory
exit - exit script
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls - list files in a directory (default /)
flinfo - print FLASH memory information
fpcd - Display data on frontpanel led
fpcraw - Display data on frontpanel led
go - start application at address 'addr'
gpio - gpio read/write bit
help - print online help
i2c - I2C sub-system
icrc32 - checksum calculation
ide - IDE sub-system
iloop - infinite loop on address range
imd - i2c memory display
iminfo - print header information for application image
imm - i2c memory modify (auto-incrementing)
imw - memory write (fill)
inm - memory modify (constant address)
iprobe - probe to discover valid I2C chip addresses
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)
logo -display logo picture on TV Screenloop - infinite loop on address range
md - memory display
mm - memory modify (auto-incrementing)
mtest - simple RAM test
mw - memory write (fill)
nand - NAND sub-system
nboot - boot from NAND device
nm - memory modify (constant address)
ping - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
protect - enable or disable FLASH write protection
rarpboot- boot image via network using RARP/TFTP protocol
reset - Perform RESET of the CPU
run - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv - set environment variables
sfer - spi flash erase
sfinfo - display spi flash informations.
sfre - spi flash read byte.
sfwr - spi flash write byte
sleep - delay execution for some time
test - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
update - update your u-boot.bin / uImage / ramdiskg.img by USB storage device.
usb - USB sub-system
usbboot - boot from USB device
usbtest - test USB host controller of ORION 1.4
version - print monitor version
writenum - write string to eeprom for hunan Project'
Cosas interesantes: acceso a tv, hdmi, etc.
Se puede leer/bootear de usb (fat), serial, tftp, flash, nand, eeprom, i2c, ide (!)
Solo se puede escribir a nand (y a memoria obviamente)
El comando update está explicado en misc.img
Hay typos extraños como en hunan Project' en writenum o ramdiskg.img en
update. Lo de initial hdmi transmitter es engrish puro.