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| alistair23 | Hey, I'm trying to get a VexRISCV/LiteX core up and running on a Fomu. I have built a dfu file using OpenEmbedded meta-hdl but flashing it is really slow | 20:34 |
|---|---|---|
| alistair23 | I killed it after about 40 minutes with this status | 20:35 |
| alistair23 | Download[= ] 4% 23348224 bytes | 20:35 |
| alistair23 | The built fomu-workshop-riscv-blink.dfu is ~500M, that doesn seem right does it? | 20:36 |
| tnt | definitely not. | 20:36 |
| alistair23 | Yeah, thought so | 20:36 |
| alistair23 | I had some linker issues, I must have broken something badly trying to fix it | 20:37 |
| scientes | alistair23, yeah that is caused by linker issues | 20:37 |
| scientes | people have been talking about it in here | 20:37 |
| scientes | i never managed to actually build fomu however | 20:38 |
| alistair23 | The original issue I was trying to fix is: section .srodata.usb_string0_descriptor LMA [0000000020040ef0,0000000020040ef3] overlaps section .data LMA [0000000020040ef0,0000000020041153] | 20:38 |
| scientes | so it would be nice if you posted a reproducable script | 20:38 |
| alistair23 | I haven't had much luck building anything, even the foboot doesn't build for me | 20:38 |
| alistair23 | OE is just running make riscv-blink.bin in the workshop source | 20:39 |
| alistair23 | In the riscv-blink directory | 20:39 |
| alistair23 | Ok, I can manually build it with the arch toolchain | 20:50 |
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| scientes | yeah I have done enough work on LLVM I don't need any help with CPU stuff | 20:51 |
| scientes | but FPGA stuff is totally different beast | 20:51 |
| scientes | which I have not tamed | 20:51 |
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| alistair23 | Back | 20:58 |
| alistair23 | I managed to build it manually, it looks better now | 20:58 |
| alistair23 | Unfortunately I bricked the Fomu by writing my previous 500M image to it | 20:59 |
| alistair23 | Is it possible to unbrick it? | 20:59 |
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| pollo | alistair23: how are you flashing? | 21:29 |
| pollo | maybe try to flash using a rig / clips ? | 21:30 |
| pollo | https://github.com/im-tomu/fomu-hardware/tree/master/hacker#programming-with-probes-the-poor-mans-version | 21:31 |
| tpb | Title: fomu-hardware/hacker at master · im-tomu/fomu-hardware · GitHub (at github.com) | 21:31 |
| pollo | hard, but doable | 21:31 |
| alistair23 | Right now my Linux workstation just tells me this in dmesg | 21:36 |
| alistair23 | [281553.966564] usb 1-9: new full-speed USB device number 10 using xhci_hcd[281554.089917] usb 1-9: device descriptor read/64, error -71[281554.319907] usb 1-9: device descriptor read/64, error -71[281554.549891] usb 1-9: new full-speed USB device number 11 using xhci_hcd[281554.673242] usb 1-9: device descriptor read/64, error -71[281554.903241] | 21:36 |
| alistair23 | usb 1-9: device descriptor read/64, error -71[281555.009986] usb usb1-port9: attempt power cycle[281555.653230] usb 1-9: new full-speed USB device number 12 using xhci_hcd[281555.653458] usb 1-9: Device not responding to setup address.[281555.860127] usb 1-9: Device not responding to setup address.[281556.066561] usb 1-9: device not accepting | 21:36 |
| alistair23 | address 12, error -71[281556.189897] usb 1-9: new full-speed USB device number 13 using xhci_hcd[281556.190126] usb 1-9: Device not responding to setup address.[281556.396786] usb 1-9: Device not responding to setup address.[281556.603234] usb 1-9: device not accepting address 13, error -71[281556.603351] usb usb1-port9: unable to enumerate USB | 21:36 |
| alistair23 | device | 21:36 |
| alistair23 | So I'm not even up to flashing it. The clips look like the only option at this point | 21:37 |
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