Re: [UrJTAG-dev] Using UrJTAG as U-Boot application?

[Wolfgang D. <wd...@de...>]

Dear Rutger,

In message <4A3...@cs...> you wrote:
> 
> I have run UrJTAG as a standalone (eCos) application (started from 
> RedBoot in that version, but soon to be booted from U-Boot) on our 
> embedded machine. I used this UrJTAG to program an FPGA using its SVF 
> player, by bit-banging GPIO pins that were connected to the JTAG pins of 
> the FPGA.

Cool. This is exactly what I have in mind :-)

> The whole point of my recent UrJTAG refactoring was to be able to use 
> liburjtag.a from my eCos application that has much more functionality 
> besides UrJTAG (see http://www.rfidguardian.org).
> 
> My guess is that if it works with eCos, then why not with U-Boot? The 
> cross-compiling infrastructure is there. The main question now seems to 
> me how much library support (newlib?) is needed for UrJTAG that is not 
> included in U-Boot.

Does your code need any sort of file I/O ? All remaining stuff should
be fairly easy to add.

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: wd...@de...
There are no data that cannot be plotted on a straight  line  if  the
axis are chosen correctly.