On Thu, Oct 02, 2008 at 08:50:32AM +0200, ?yvind Harboe wrote:
> On Wed, Oct 1, 2008 at 11:08 PM, Ben Dooks <[EMAIL PROTECTED]> wrote:
> > Has openocd been tested recently with ARM1176? I'm running r1013
> > and it is repsonding as so:
> >
> > Info:   JTAG device found: 0x2b900f0f (Manufacturer: 0x787, Part: 0xb900, 
> > Version: 0x2)
> > Info:   JTAG device found: 0x07b76f0f (Manufacturer: 0x787, Part: 0x7b76, 
> > Version: 0x0)
> > Error:  Error validating JTAG scan chain, IR mismatch, scan returned 0x0e11
> > Error:  Could not validate JTAG chain, continuing anyway...
> > Warning:value captured during scan didn't pass the requested check: 
> > captured: 0x11 check_value: 0x01 check_mask: 0x1f
> > Warning:in_handler reported a failed check
> > Warning:value captured during scan didn't pass the requested check: 
> > captured: 0x11 check_value: 0x01 check_mask: 0x1f
> > Warning:in_handler reported a failed check
> > Error:  'arm11 target' JTAG communication error SCREG SCAN OUT 0x00 
> > (expected 0x10)
> 
> I'm not convinced that your JTAG chain is configured correctly or that
> your JTAG interface is able to communicate with the device. ARM11 is finicky
> w.r.t. the JTAG communication in my experience.

I've just had another look at this, and it seems the SMDK6410 was shipped
with XDBGSEL=1 (link 1 on cpu module) which selects the external pins of
the device. Settign XDBGSEL=0 changed the chain layout, but still is not
producing an valid ARM11.

Info:   JTAG device found: 0x00eb509d (Manufacturer: 0x04e, Part: 0x0eb5, 
Version: 0x0)
Error:  'arm11 target' JTAG communication error SCREG SCAN OUT 0x00 (expected 
0x10)

Does anyone have any ideas on what is going wrong?

-- 
Ben

Q:      What's a light-year?
A:      One-third less calories than a regular year.

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