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whatnick | daveshah made progress on building for ECP5 with nextpnr ecp5 | 10:49 |
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whatnick | lattice still freaks out | 10:49 |
whatnick | I have sent the bitstream to the FPGA via gregdavill's load_fpga and OpenOCD | 10:50 |
whatnick | I am not 100% on my openocd config , which I cribbed from elsewhere and just used. | 10:50 |
whatnick | https://github.com/whatnick/OrangeCrab/blob/master/gateware/litex_ddr3_test/openocd/ecp5-versa5g.cfg | 10:52 |
tpb | Title: OrangeCrab/ecp5-versa5g.cfg at master · whatnick/OrangeCrab · GitHub (at github.com) | 10:52 |
daveshah | whatnick: the idcode in that file looks wrong, although I don't know if openocd actually checks that | 10:57 |
whatnick | This ? -expected-id 0x81112043 | 10:59 |
whatnick | I 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 him | 10:59 |
daveshah | what FPGA is on your board? | 11:00 |
whatnick | I am wrong it is a 25F | 11:03 |
whatnick | https://github.com/gregdavill/OrangeCrab | 11:03 |
tpb | Title: GitHub - gregdavill/OrangeCrab: ECP5 breakout board in a feather physical format (at github.com) | 11:03 |
daveshah | the ID should be 0x41111043 then | 11:03 |
whatnick | Does that affect the bitstream sent ? | 11:04 |
daveshah | it affects the nextpnr and openocd config | 11:04 |
whatnick | OpenOCD works so it obviously does not check it | 11:04 |
daveshah | the nextpnr config should be fine as it seemed to work for greg | 11:04 |
whatnick | Okay nextpnr was called by Dave's code so I assume that should be fine | 11:04 |
daveshah | can you put the OpenOCD output somewhere | 11:04 |
whatnick | Here : https://gist.github.com/whatnick/51858ca74d4a6338a03b9eaba12422ef | 11:08 |
tpb | Title: OpenOCD output for sending bitstream to ECP5 part · GitHub (at gist.github.com) | 11:08 |
daveshah | Looks like it uploaded fine - just a warning for the wrond ID | 11:08 |
daveshah | have you seen https://twitter.com/GregDavill/status/120181921615372697 ? | 11:08 |
whatnick | Okay 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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