Dear David Hawkins, In message <[email protected]> you wrote: > > The USB-TAP has a PowerPC processor in it ... so even if you > had to blow away the original firmware, I'm sure it wouldn't > be too hard to figure out what code would be required to > make the device look like a USB debugger, and then create > a set of USB commands to generate JTAG transactions. > > I think the main problem is getting the JTAG TAP codes > for manipulating JTAG. I've never seen a document relating > to that, so they are obviously NDA.
Right. Implementing some JTAG access routines is not that difficult. Implementing debug support requires you to sign a NDA which prevents you from developing any free software from it. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] In any group of employed individuals the only naturally early riser is _always_ the office manager, who will _always_ leave reproachful little notes ... on the desks of their subordinates. - Terry Pratchett, _Lords and Ladies_ _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
