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| 14:34.55 | wookey_ | hmm. I have an olimex jtag tiny and an amontec jtagkey here and can get the olimex working on pxa, but not the jtagkey |
| 14:35.36 | wookey_ | Is there a way to set the CPUTAPID to be a choice of values. I have two different CPU revisions here so can get 49265013 or 79265013 |
| 14:36.02 | wookey_ | both are valid, but I don't see how to set that one bit is 'don't care' |
| 14:36.39 | wookey_ | And I have some PXA patches which are still needed in latest svn. Guess I'd better send them in |
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| 18:40.49 | pthomas | hello, I'm haveing where mdw and mww are working fine with an external SDRAM, but load_image keeps failing |
| 18:47.38 | pthomas | I meant to say "... I'm having an issue where..." |
| 18:58.15 | mib_1a2ttd | jtag interface type ? , revision ? jtag khz ? target ? and image size ? |
| 19:50.22 | pthomas | mib_1a2ttd, I'm using the signalyzer from xverve, svn version 1602, I've been using 500kHz, but I tried it down to 50kHz, the redboot image is 169k |
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| 20:20.04 | Zoiah | Can I read and program a Lattice PLD with UrJTAG? |
| 20:21.23 | Zoiah | I found a PLD JTAG connector on a network switch and there are two 'Device Id: 00000001100000010001000001000011 (0x0000000001811043)' behind it, and I'm curious whats inside of it. ;) |
| 20:30.29 | zwelch | wookey_: were you speaking of openocd? |
| 20:42.32 | zwelch | Zoiah: i cannot speak of UrJTAG, but OpenOCD has some PLD support. That said, i have not used that support, so i am not sure if it will work either :) |
| 20:44.20 | Zoiah | zwelch: I found some PLDs in data/lattice |
| 20:44.32 | Zoiah | zwelch: but how to do anything with it, I dunno. ;) |
| 20:44.52 | Zoiah | zwelch: it does not initbus and it cannot detectflash. Which is reasonble, but I have no clue what else to do. ;) |
| 20:45.22 | zwelch | i have not used urjtag, just openocd. i got a copy of its svn, but I have not had time to investigate it |
| 20:46.28 | zwelch | beyond that, my experience with PLDs and JTAG is limited to non-existent |
| 20:46.55 | zwelch | but i wish i could help. sound like fun :) |
| 20:48.17 | roxfan | http://74.125.77.132/search?q=cache:M8oEgCbyNqYJ:www.latticesemi.us/dynamic/view_document.cfm%3Fdocument_id%3D22446+01811043 |
| 20:49.38 | Zoiah | Same here. |
| 20:49.41 | Zoiah | I have no clue what I'm doig. ;) |
| 20:50.03 | Zoiah | I found two JTAG chains. |
| 20:50.13 | Zoiah | One with PPC COP pinout and I find a MPC8245 there. |
| 20:50.26 | Zoiah | And one with PLD pingout and I find two Lattice PLDs there. |
| 20:50.59 | Zoiah | But on the former I can't 'detectflash' an eeprom. |
| 20:54.46 | roxfan | you probably need to convert that bdsl into urjtag config |
| 20:55.13 | roxfan | they have one for LC4128C so shouldn't be hard |
| 20:56.47 | Zoiah | roxfan: and then what? I can't find anything about PLDs in the UrJTAG documentation. |
| 20:57.16 | roxfan | good question :) |
| 21:00.17 | roxfan | the bdsl mentions ISC_READ which can probably be used to read internal memort |
| 21:02.23 | roxfan | apparently that's a part of ieee 1532 |
| 21:02.47 | roxfan | http://www.goepelusa.com/downloads/EPPEurope0101.pdf |
| 21:03.50 | roxfan | i don't think urjtag supports that on high level so you'll probably need to issue manual commands or something... |
| 21:04.46 | roxfan | hmm http://www.xilinx.com/support/answers/10759.htm |
| 21:12.45 | Zoiah | Sounds hard. ;) |
| 21:13.10 | Zoiah | No: "readpld 0x00000000 0xffffffff foobar"? ;) |
| 21:13.52 | roxfan | i think for programming you could use [x]svf player |
| 21:14.00 | roxfan | but not sure if it can read too |
| 21:17.45 | roxfan | hmm looks like jdrive can do it |
| 21:17.47 | roxfan | b. The -DATA_ISC command file option generates an ISC data file from a read |
| 21:17.47 | roxfan | <PROTECTED> |
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| 22:43.32 | zwelch | does that PLD device have any protection bits? i would be somewhat surprised if a network switch used a part that didn't |
| 22:44.00 | zwelch | if those bits are set (and it would be major SNAFU if they aren't), you will probably be unable to read the device's program |
| 22:44.45 | zwelch | alternatively, could they be loaded at runtime by the main processor? |
| 22:45.08 | zwelch | if that's the case, the program you are looking for won't even be on the device until its running |
| 22:45.19 | zwelch | just some thoughts |
| 22:45.29 | zwelch | shrugs and wanders back to his e-mail engineering |
| 23:06.22 | esden | ^^ |
| 23:07.32 | esden | humm ... I really have to check out the newest version ... and if everything still works ... and finally test the gdb support for stm32 :/ |
| 23:07.36 | esden | always so much to do |
| 23:08.03 | zwelch | i hope it still works for you |
| 23:08.14 | zwelch | my impression is that things are stable again |
| 23:08.26 | esden | yes and if not I will write a patch as I did before ^^ |
| 23:08.40 | zwelch | yup :) |
| 23:08.49 | zwelch | such are always appreciated :) |
| 23:09.26 | esden | well ... as the code on the stm gets more and more complicated the more of the openocd functionality is appreciated ^^ |
| 23:09.45 | esden | only this way one can really test that stuff if you ask me |
| 23:10.32 | esden | or no ... one could make tests for all possible stuff ... |
| 23:10.54 | zwelch | yeah, i learned the power of jtag years ago, and it impressed me enough to make me want to work on this kind of project someday |
| 23:10.55 | esden | but I automatically test it using it for what I do ^^ |
| 23:11.49 | zwelch | learning about openocd has opened my eyes even further, and i am even more interested in it |
| 23:12.30 | esden | well learning more about openocd is still on my todo list ^^ |
| 23:12.38 | esden | I am currently only a humble user. ;) |
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| 23:15.53 | esden | ok ... I really should go to bed now ... |
| 23:16.03 | zwelch | nods |
| 23:16.13 | esden | n8 zwelch |
| 23:16.15 | zwelch | for once, i am the one who has the sun outside :) |
| 23:16.21 | zwelch | waves |
| 23:16.25 | esden | hehe ^^ |
| 23:16.29 | esden | cu |
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