On Thursday 11 October 2007, Jason wrote:
> I'm having a small issue with a Gateworks GW2348-4 [1] ixp4xx board.  I
> attached the RXD, TXD, and GND lines from an FTDI USB serial TTL cable
> to the appropriate JTAG pins (RXD, TXD, GND).

i'm confused ... JTAG != RS232 ... i dont see how you can hook up a RS232 port 
to JTAG pins and get a serial console ...

> I can see the bootup messages in minicom, both RedBoot and Linux.  It
> dumps me to a command prompt, but that's it.  The errors I see are:
>
> 1.) CTRL-C to RedBoot yields periods and doesn't stop the boot process.
> 2.) what I type echoes back, but hitting Enter goes to the beginning of
> the line, and doesn't go down a line.
> 3.) no response to any commands eg 'ls<CR>' does not give me a list of
> directories...
> 4.) I do have Local Echo turned off, so I'm reasonably confident that
> the characters I'm seeing are being seen by the board and echoed back.
> I tried passing minicom '-7' or '-8' with no improvement.  I did get a
> chinese character for CTRL-C with '-8' as opposed to a period in RedBoot.
> 5.) I managed to catch the 2sec window to telnet into redboot and load
> my own kernel and rootfs to ram, and execute, but I get the exact same
> effects.
> 6.) The exact same cable, minicom, kernel, and rootfs (made with
> crossdev/xmerge/xkmake for the OT! criers :-) ) works fine when booted
> on an NSLU2...

so the board never seems to respond and all your output gets echoed back ?  
sounds like the hardware wiring isnt correct ...
-mike