User manual

U-Boot for MPL SBC
User Manual
 2003 by MPL AG
8
MEH-10082-002 Rev. D
High-Tech • Made in Switzerland
sleep - delay execution for some time
tftpboot- boot image via network using TFTP protocol
and env variables ipaddr and serverip
usbboot - boot from USB device
usb - USB sub-system
version - print monitor version
pip405 - PIP405 specific Cmds
? - alias for 'help'
Please note that the command pip405 is the “Board specific Command”, which is the board name.
To get help on a specific command type help <command>. Example:
=> help ide
ide reset - reset IDE controller
ide info - show available IDE devices
ide device [dev] - show or set current device
ide part [dev] - print partition table of one or all IDE devices
ide read addr blk# cnt
ide write addr blk# cnt - read/write `cnt' blocks starting at block `blk#'
to/from memory address `addr'
=>
3.2.2 Command modifiers
Some of the commands uses modifier after the command, separated with a ‘.’ . These modifier specify the base of the
count or size parameter. Following modifier exists:
.b Byte (8Bit)
.w Word (16Bit)
.l Long (32Bit) Default
Examples:
Display 16 longs from address 0xFFC00000
=> md.l ffc00000 10
ffc00000: 27051956 65d6b450 3cbc2652 003738ef '..Ve..P<.&R.78.
ffc00010: 00000000 00000000 43450692 05070401 ........CE......
ffc00020: 6b65726e 656c2061 6e642069 6e697472 kernel and initr
ffc00030: 6420666f 72205049 50343035 00000000 d for PIP405....
=>
This is the default base, you can also issue the command without .l
Display 16 words from address 0xFFC00000
=> md.w ffc00000 10
ffc00000: 2705 1956 65d6 b450 3cbc 2652 0037 38ef '..Ve..P<.&R.78.
ffc00010: 0000 0000 0000 0000 4345 0692 0507 0401 ........CE......
=>
Display 16 bytes from address 0xFFC00000
=> md.b ffc00000 10
ffc00000: 27 05 19 56 65 d6 b4 50 3c bc 26 52 00 37 38 ef '..Ve..P<.&R.78.
=>
Please note that also the displayed format change according to the base modifier.