Hello Roberto, I did look there, but the option for port G is not listed.....I am using an old build of the Kernel so will investigate using the latest build. Perhaps I should have doen that sooner. Sorry.
Many thanks for your quick response. Much appreciated. Alistair --- In [email protected], Roberto Asquini <[EMAIL PROTECTED]> wrote: > > Hello Alistair, > > the boot I/O state of the port G lines is set inside the kernel options. > If you issue the command: > make kernelconfig > starting from the devboard-R2_01 directory. > > Navigating in the menu: "Drivers for ETRAX 100LX built-in interfaces" > you will find an option called: "Port G Output". > There you can set the startup state of the G0, G8-G15, G16-G23 and G24 > I/O pins. > > In general when the Fox VHDL is mounted on the Fox Board you cannot > program the FPGA using the 2x5 Jtag header onboard the Fox VHDL for > conflict with the PortG lines. But reversing the data programming lines > is not enough to let you use the JTAG header since the signal Jtag TRST > is connected to the Fox Board Og25 that is a only-output pin. So to be > able to use the JTAG header to reprogram the FPGA you should disconnect > the Fox VHDL from the Fox Board or try to put the Fox Board in reset > state closing the jumper J9 on the Fox Board. > > On the new coming Fox VHDL2 we provided a separate jumper to decouple > the Jtag programming from the Fox Board. > > Best regards, > > Roberto Asquini > > Alistair ha scritto: > > > > Is there anyway to default the 32bit port G on the fox board to > > be inputs rather than an outputs when using the foxbone bus? > > > > At boot the bus is currently loading my FPGA programming pins. There > > is a good reason for me to do this..honestly. > > > > If the port G were inputs at power up then that would be great. After > > the foxboard has booted I can control port G. But I just want to set > > the direction in the Kernel so this is the case at power up. > > > > Any thoughts gratefully received. > > > > Great product by the way. It has really got me into embedded linux. > > > > Thanks again, > > Alistair > > > > > > > -- > Roberto Asquini > Acme Systems srl > [EMAIL PROTECTED] > http://www.acmesystems.it >
