Re: [avr-gcc-list] Altera CPLD Programming

[Hugo Villeneuve]

On Mon, 12 Sep 2005 20:04:45 -0500
Oscar Diaz <address@hidden> wrote:

> Hi.
> 
> I know that exists some drivers that supports the JTAG protocol trough the 
> parallel port:
> 
> http://recycle.lbl.gov/~ldoolitt/jtag.html
> http://openwince.sourceforge.net/jtag/
> www.nahitech.com/nahitafu/naxjp/naxjp-j.html (japanese)
> 
> Also exists a kernel driver, but maybe it's a dead project because I can't 
> find the link to this.
> I don't know of any project that can program commercial PLDs (CPLD, FPGA, 
> etc) but I 
> also have interest in this topic (Xilinx in particular).
> 
> Note: avarice (http://avarice.sourceforge.net/) uses JTAG for debugging 
> process, not for 
> programming.
> 
> Good Luck
> 
> On Wed, 07 Sep 2005 14:28:45 -0600
> Gary Douglas <address@hidden> wrote:
> 
> > Anybody written a utility to program an Altera CPLD with an ATMEGA part?
> > 
> > I am using an ATMEGA64 / Altera EPM7128A and would love to reprogram the 
> >    CPLD using AVRDude and my (hacked) bootloader.
> > 
> > Anybody have any ideas?  The CPLD JTAG programming is well documented, 
> > and I'm just looking for a jumpstart to save time.

        The simplest way to program an Altera or Xilinx CPLD using a 
microcontroller is through the SPI port. You just download a binary file, byte 
by byte, to the device. Altera have application notes on their website for SPI 
downloading.

        Hugo.