Re: [Openocd-development] openocd & boundary scan

2009-05-26 Thread Paul Thomas
On Mon, May 25, 2009 at 6:39 PM, David Brownell wrote: > > > > When I do scan_chain > > > I get both imx27.bs and imx27.cpu which looks normal. > > Maybe for i.MX27 ... having a separate TAP for boundary > scan seems unusual to me. > > ISTR that most ARM cores are set up so that they

Re: [Openocd-development] openocd & boundary scan

2009-05-26 Thread David Brownell
On Tuesday 26 May 2009, Duane Ellis wrote: > > Maybe for i.MX27 ... having a separate TAP for boundary > > scan seems unusual to me. > > atmel parts are this way, they have a pin 'JAG SEL' -  you must reset > the part, it has a seperate tap id when in boundary scan mode. That's different ... the

Re: [Openocd-development] openocd & boundary scan

2009-05-26 Thread Duane Ellis
Paul Thomas wrote: > I would love to write up a tutorial on using openocd as a boundray > scan tool if I get this working. I want some GUI that can do what "XJAnalyser" can do with Boundary Scan. http://www.xjtag.com/jtag-tools/xjanalyser-jtag-gui.php But what I really want, is that type of "pi

Re: [Openocd-development] openocd & boundary scan

2009-05-26 Thread Duane Ellis
David Brownell wrote: > Maybe for i.MX27 ... having a separate TAP for boundary > scan seems unusual to me. atmel parts are this way, they have a pin 'JAG SEL' - you must reset the part, it has a seperate tap id when in boundary scan mode. -Duane. ___

Re: [Openocd-development] openocd & boundary scan

2009-05-25 Thread David Brownell
> > When I do scan_chain > > I get both imx27.bs and imx27.cpu which looks normal. Maybe for i.MX27 ... having a separate TAP for boundary scan seems unusual to me. ISTR that most ARM cores are set up so that they have an integrator-provided scan chain (plus the EmbeddedICE, maybe an

Re: [Openocd-development] openocd & boundary scan

2009-05-25 Thread Xiaofan Chen
On Tue, May 26, 2009 at 8:17 AM, Zach Welch wrote: > I recently added "BSDL support" to a pending patch to The List of tasks > to consider for the future, but any kind of "full" boundary scan support > would be great for OpenOCD to have in-tree and documented. > What about the 3rd choice STAPL (o

Re: [Openocd-development] openocd & boundary scan

2009-05-25 Thread Zach Welch
On Mon, 2009-05-25 at 15:21 -0700, Paul Thomas wrote: > Hello, > > I would like to do a boundary scan on a imx27 part. I've looked > through the documentation and mailing list and I don't see much on > this. The most helpful thing has been a very short wikipedia entry on > the SVF format (http://e

[Openocd-development] openocd & boundary scan

2009-05-25 Thread Paul Thomas
Hello, I would like to do a boundary scan on a imx27 part. I've looked through the documentation and mailing list and I don't see much on this. The most helpful thing has been a very short wikipedia entry on the SVF format ( http://en.wikipedia.org/wiki/Serial_Vector_Format). I do see the svf comm