Tuesday, 2019-12-03

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whatnickdaveshah made progress on building for ECP5 with nextpnr ecp510:49
whatnicklattice still freaks out10:49
whatnickI have sent the bitstream to the FPGA via gregdavill's load_fpga and OpenOCD10:50
whatnickI am not 100% on my openocd config , which I cribbed from elsewhere and just used.10:50
whatnickhttps://github.com/whatnick/OrangeCrab/blob/master/gateware/litex_ddr3_test/openocd/ecp5-versa5g.cfg10:52
tpbTitle: OrangeCrab/ecp5-versa5g.cfg at master · whatnick/OrangeCrab · GitHub (at github.com)10:52
daveshahwhatnick: the idcode in that file looks wrong, although I don't know if openocd actually checks that10:57
whatnickThis ? -expected-id 0x8111204310:59
whatnickI googled ecp5-versa.cfg and found another file in github and cribbed that ... while waiting for greg to pass along / check-in his version. Let me ping him10:59
daveshahwhat FPGA is on your board?11:00
whatnickI am wrong it is a 25F11:03
whatnickhttps://github.com/gregdavill/OrangeCrab11:03
tpbTitle: GitHub - gregdavill/OrangeCrab: ECP5 breakout board in a feather physical format (at github.com)11:03
daveshahthe ID should be 0x41111043 then11:03
whatnickDoes that affect the bitstream sent ?11:04
daveshahit affects the nextpnr and openocd config11:04
whatnickOpenOCD works so it obviously does not check it11:04
daveshahthe nextpnr config should be fine as it seemed to work for greg11:04
whatnickOkay nextpnr was called by Dave's code so I assume that should be fine11:04
daveshahcan you put the OpenOCD output somewhere11:04
whatnickHere : https://gist.github.com/whatnick/51858ca74d4a6338a03b9eaba12422ef11:08
tpbTitle: OpenOCD output for sending bitstream to ECP5 part · GitHub (at gist.github.com)11:08
daveshahLooks like it uploaded fine - just a warning for the wrond ID11:08
daveshahhave you seen https://twitter.com/GregDavill/status/120181921615372697 ?11:08
whatnickOkay looks like I was expecting DFU to be ready but it is currently only in UART terminal mode. Time to plug in to all 3 USB ports and try.11:12
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