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| 22:56.18 | Circuitsoft | Hello - Where can I lookup ARM product ID codes to see if my JTAG interface is properly reading my chip? |
| 22:56.46 | Circuitsoft | JTAG device found: 0x0000b2fb (Manufacturer: 0x17d, Part: 0x000b, Version: 0x0) |
| 22:56.57 | Circuitsoft | Target is NetSilicon ns9215 |
| 22:58.06 | roxfan | too many zeroes i think |
| 22:58.19 | Circuitsoft | Yeah. Followed by |
| 22:58.24 | Circuitsoft | Error validating JTAG scan chain, IR mismatch, scan returned 0x01 |
| 23:00.40 | Circuitsoft | Unfortunately, that indicates problems with the config that I'm not sure how to deal with. |
| 23:01.35 | Circuitsoft | roxfan: Know anything about getting scan chains figured out? |
| 23:01.55 | roxfan | barely |
| 23:02.54 | Circuitsoft | Well, Openocd is only finding one device on the scan chain, but the standard ARM9 jtag_device line gives me a scan chain validation error. |
| 23:03.49 | roxfan | you have any other tools? |
| 23:04.03 | Circuitsoft | You mean Hardware or Software? |
| 23:04.26 | roxfan | sw |
| 23:04.39 | Circuitsoft | Well, I intend to eventually use GDB... |
| 23:04.50 | Circuitsoft | But I figured I needed to get OpenOCD working first. |
| 23:05.19 | Circuitsoft | I'm on Debian Lenny |
| 23:05.28 | roxfan | well looks like you need something low-level to figure out the chain |
| 23:05.34 | roxfan | maybe try urjtag |
| 23:10.05 | Circuitsoft | urjtag sees an IR length of 23. |
| 23:10.09 | Circuitsoft | Is that reasonable? |
| 23:13.37 | roxfan | hmm kinda long... |
| 23:13.40 | roxfan | what's the id? |
| 23:13.53 | Circuitsoft | 0x000000000000B2FB |
| 23:14.38 | roxfan | hmm so it sees the same |
| 23:15.13 | roxfan | i'm afraid i'm out of ideas :/ |
| 23:18.57 | Circuitsoft | Well, Thanks. |
| 23:19.11 | Circuitsoft | You gave me more avenues to pursue. |
| 23:24.57 | Circuitsoft | Now, I feel dumb. |
| 23:25.05 | Circuitsoft | I just found a switch on the board labeled "Enable OCD" |
| 23:25.09 | Circuitsoft | Turned it on. |
| 23:25.19 | Circuitsoft | Now, I get "Warning: TDO seems to be stuck at 1" |
| 23:25.53 | Circuitsoft | Any ideas, roxfan? |
| 23:26.33 | roxfan | could be wrong wiring |
| 23:27.04 | Circuitsoft | Can't imagine. The board has a 20-pin jtag header, and this dev board has been in use for years. |
| 23:27.42 | Circuitsoft | I just measured VRef, got 3.2v, which is quite within the 2.0-5.0v range supported by my adapter. |
| 23:27.45 | roxfan | what adapter are you using? |
| 23:27.57 | Circuitsoft | Olimex ARM-USB-OCD |
| 23:28.17 | roxfan | hmm that should be supported pretty well... |
| 23:28.33 | roxfan | maybe try older or newer version of ocd.... |
| 23:29.10 | Circuitsoft | It's urjtag that's reporting TDO being stuck. |
| 23:29.13 | Circuitsoft | Haven't tried OCD yet. |
| 23:30.36 | Circuitsoft | OpenOCD finds a "0x27926031 (Manufacturer: 0x018, Part: 0x7926, Version: 0x2)" |
| 23:30.47 | Circuitsoft | then repeats that line, then seems to freeze |
| 23:32.13 | Circuitsoft | Actually, it seems to be working. |
| 23:32.28 | roxfan | this is looking better... i think 7926 is an arm926 |
| 23:33.04 | Circuitsoft | And, I think the target is an arm926ejs, so... |
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| 23:37.06 | roxfan | http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/3843.html |