Without further confirmation of this patch's correctness, I do not want
to add it until after the 0.2.0 branch release. I have been trying to
push that out for most of the week, but it would be good to include this
fix if it is indeed required.
Can you perhaps provide a little more explanation regarding why you
believe this patch to be correct? Sorry for having to ask, but I need
to learn the details in order to make an informed decision about it.
On Fri, 2009-07-03 at 22:16 +0200, Ferdinand Postema wrote:
> Hello,
>
> I found the bug by myself. I have made a patch file to correct it.
> Is it possible to incorporate this patch into the source code?
>
> Ferdinand Postema
>
>
> Ferdinand Postema schreef:
> > First I want to say that I am very happy with the OpenOCD-software! I
> > like it very much.
> >
> > I have a Chameleon POD from Amontec. This dongle can be programmed to
> > act as a Wiggler-cable, but also as a JTAG Accelerator interface.
> > I use it in combination with an ARM processor and a FPGA. Both are
> > supplied by Propox.
> >
> > When I use the Wiggler JTAG interface, I get the following information:
> > Info : JTAG tap: at91sam9260.cpu tap/device found: 0x0792603f
> > (Manufacturer: 0x01f, Part: 0x7926, Version: 0x0)
> > When I use the Amontec JTAG Accelerator Interface, I get the following
> > information:
> > Info : JTAG tap: at91sam9260.cpu tap/device found: 0x03c9301f
> > (Manufacturer: 0x00f, Part: 0x3c93, Version: 0x0)
> > It looks like the whole word is shifted 1 bit. I think the Wiggler
> > interface is correct.
> >
> > I also tried my FPGA module and got the following ID's:
> > Manuf. Chip wiggler amtjtagaccel
> > Processor: Atmel AT91SAM9260 0x0792603f 0x03c9301f
> > Platform Flash: Xilinx XCF01S 0xF5044093 0x7A822049
> > FPGA: Xilinx XC3S200 0x01414093 0x80A0A049
> >
> > The ID of the FPGA is not only shifted 1 bit to the right, but is also
> > OR-ed with 0x80000000
> > The wiggler ID is correct
> >
> > Can you correct this?
> >
> > Kind regards,
> >
> > Ferdinand Postema
> > (The Netherlands)
> >
> plain text document attachment (openocd_wrong_id_code.patch)
> Index: src/jtag/amt_jtagaccel.c
> ===================================================================
> --- src/jtag/amt_jtagaccel.c (revision 2461)
> +++ src/jtag/amt_jtagaccel.c (working copy)
> @@ -92,8 +92,8 @@
> static uint8_t amt_jtagaccel_tap_move[6][6][2] =
> {
> /* RESET IDLE DRSHIFT DRPAUSE
> IRSHIFT IRPAUSE */
> - {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00},
> {0x96, 0x00}}, /* RESET */
> - {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08},
> {0x0b, 0x00}}, /* IDLE */
> + {{0x1f, 0x00}, {0x0f, 0x00}, {0x05, 0x00}, {0x0a, 0x00}, {0x06, 0x00},
> {0x96, 0x00}}, /* RESET */
> + {{0x1f, 0x00}, {0x00, 0x00}, {0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00},
> {0x0b, 0x00}}, /* IDLE */
> {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09},
> {0x8f, 0x01}}, /* DRSHIFT */
> {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09},
> {0x8f, 0x01}}, /* DRPAUSE */
> {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00},
> {0x01, 0x00}}, /* IRSHIFT */
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