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
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