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| somlo | _florent_: I noticed something weird: with LiteETH commit 2827e99 ("mac/sram: Fix length_lsb slicing (+1)", currently the latest in LiteETH master) litex/rocket can't get a dhcp lease under linux and busybox | 03:29 |
|---|---|---|
| somlo | it's weird because I can netboot, and under linux and busybox I can manually set an IP address and ping (haven't tried anything fancier) | 03:29 |
| somlo | but if I try and get a dhcp lease, it just keeps printing out "sending discover", forever | 03:30 |
| somlo | that is unless I revert 2827e99, which is when udhcpc starts working again | 03:31 |
| somlo | So I'm wondering if the linux driver needs updated to match 2827e99, or if that commit is in itself a regression of some sort | 03:31 |
| somlo | sorry I haven't dug any deeper yet, just wanted to start by giving you the vague high-level behavior description first before I go to sleep over here :) | 03:32 |
| somlo | oh and sniffing for udp packets on the LAN shared with the litex/rocket board, there are no dhcp requests being broadcast out | 03:34 |
| somlo | anyway, that's all I have for now, I can dig deeper tomorrow morning | 03:35 |
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| _florent_ | somlo: Hi, thanks for the feedback. I was trying to fix Linux-On-LiteX-VexRiscv CI for the SDS1104XE (using Hybrid Mac) but without access to my hardware. It should be good now with https://github.com/enjoy-digital/liteeth/commit/9b03fc14de8aa2454d967c16bcf7c97cf894b9ee | 07:32 |
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| tpw_rules | what are some other mPCIe FPGA cards that aren't the acorn cle-215 and friends? | 17:03 |
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| DerekKozel[m] | What're you looking for tpw_rules ? | 17:46 |
| DerekKozel[m] | The Numato Aller probably counts as "friends", but is a commercially available component. | 17:47 |
| DerekKozel[m] | The PicoEVB was/is interesting and is a direct relative of the CLE-215. | 17:48 |
| tpw_rules | i guess i should specify that the reason i am interested in something else is that has nontrivial i/o and is shorter | 17:48 |
| DerekKozel[m] | BitWare has the 250-M2D which has a Kintex FPGA on it in an M.2 formfactor | 17:48 |
| DerekKozel[m] | I don't know of anything that has more GPIO, and most of the height is heatsink that you'd need to deal with one way or another. I have the Aller inside a Thunderbolt enclosure so it's thinness is required, but the enclosure is a big heatsink. | 17:50 |
| DerekKozel[m] | There are non M.2 form-factors that are small and have loads of IO if that's a direction you could go | 17:50 |
| tpw_rules | sorry, shorter as in not 2280 size | 17:51 |
| DerekKozel[m] | Ah, less long | 17:51 |
| tpw_rules | yes ;P | 17:51 |
| DerekKozel[m] | the Pico EVB is less long, not more IO though | 17:51 |
| DerekKozel[m] | https://concurrenteda.com/index.php/fpga-modules/artix-modules/te0711-datasheet | 17:51 |
| tpb | Title: TE0711 - Artix-7 High I/O & USB (at concurrenteda.com) | 17:51 |
| DerekKozel[m] | This is less long and has more IO pins, but more $$ and not M.2 | 17:52 |
| tpw_rules | i wanted m.2 so i could hook it up to a small pc with a fast interface. maybe a zynq type device would be an alternative, but i think their CPUs are relatively slower compared to even low end x86, right? | 17:53 |
| tpw_rules | also for Reasons™ i can't buy anything made in china. made in taiwan is okay though | 17:53 |
| DerekKozel[m] | There's a load of FPGA boards out there, given Reasons I'd guess you can afford more of the options than me | 17:54 |
| tpw_rules | like i said i don't know too much about the ARM CPU power | 17:55 |
| DerekKozel[m] | Can you spin a board based off the PicoEVB? It'd be "easy" to route more pins to a high density connector | 17:55 |
| tpw_rules | that is an idea | 17:59 |
| DerekKozel[m] | RHS Research published the design files under GPL and they're nice to talk to. I've sent a few emails over the years and they like intelligent questions and comments. | 18:02 |
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