Thanks for the reply. I'll try this out first thing tomorrow. Can you confirm that you are using the latest kernel version (2.6.39)? I completely agree that this info should be included in the Wiki. Perhaps I'll write something up when I've finished.
Graduate Research Assistant --MS Computer
Engineering University of
Idaho Moscow, Idaho 83844
> Date: Thu, 27 Oct 2011 16:01:44 -0700 > From: firstname.lastname@example.org > To: email@example.com > Subject: Re: [Gumstix-users] Re-muxing Overo UART2 at runtime > > Hello! Wow, a question a newbie like me can actually answer! :) Nice > to be able to 'give back' to the list. > > I have done this exact thing, with a Tobi board, and here's the shell > script. > > echo "UART2 (/dev/ttyS1) config register1: 0x48002170, set to GPIO input > w/pullup" > devmem2 0x48002170 w 0x011C011C > echo > echo "UART2 (/dev/ttyS1) config register2: 0x48002178, set to UART RX > and TX" > devmem2 0x48002178 w 0x01180000 > echo > > I disabled bluetooth by renaming /etc/init.d/bluetooth file, but I still > get lots of bluetooth messages in dmesg. Not sure if it is actually > disabled, but the serial works: > <http://old.nabble.com/Overo-Air-bluetooth-and-wifi-power-td28775963.html#a28907238> > > It would be great to have these exact steps in the wiki or official > gumstix docs. Wanting a 2nd serial port is not uncommon at all and it > took some effort to get it going. It absolutely should have been > clearly documented by gumstix. > > Let me know if it works or not... > J > > > > Has anyone been able to use devmem2 at runtime to re-mux Overo UART2 > > Tx/Rx to the GPIO146_PWM11/GPIO147_PWM8 signals on the 40-pin TOBI > > header? I have successfully re-muxed these signals using a modified > > u-boot, but I'm wondering whether the same thing can be done in a > > shell script using devmem2 after the kernel has booted. > > > > > ------------------------------------------------------------------------------ > The demand for IT networking professionals continues to grow, and the > demand for specialized networking skills is growing even more rapidly. > Take a complimentary Learning@Cisco Self-Assessment and learn > about Cisco certifications, training, and career opportunities. > http://p.sf.net/sfu/cisco-dev2dev > _______________________________________________ > gumstix-users mailing list > firstname.lastname@example.org > https://lists.sourceforge.net/lists/listinfo/gumstix-users