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| shorne | mithro: great, the binutils stuff is signed off | 02:22 |
|---|---|---|
| mithro | shorne: Now need to test it with Linux / bare metal / etc | 02:23 |
| mithro | cr1901_modern: How goes the ice40up5k? | 02:53 |
| cr1901_modern | mithro: Finding a good UCF for the board has been difficult, so I'm currently looking at the schematic | 02:56 |
| cr1901_modern | (the 5k-evn board) | 02:56 |
| cr1901_modern | so in a word, "it could be better" | 02:57 |
| cr1901_modern | additionally, I'm still concerned about space usage of even a base system on the 5k | 02:57 |
| cr1901_modern | I won't know for sure until I test it, but even a base system only has about 400 LUTs free (lite CPU variant) | 02:57 |
| cr1901_modern | errr, let me rephrase | 02:58 |
| cr1901_modern | On 8K boards, LUT is about 4600-4800 w/ lite CPU variant. 5k has 5280 LUTs | 02:58 |
| cr1901_modern | that's not gonna be enough to really extend from a base target | 02:58 |
| shorne | mithro: binutils is now upstream, but we probably want to wait for next release | 02:58 |
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| shorne | sim travis is failing | 14:42 |
| shorne | https://travis-ci.org/timvideos/litex-buildenv/jobs/437497461#L3979 | 14:42 |
| shorne | this is a strange issue, its complaining that "ROM contents not found! build/sim_base_or1k/software/firmware/firmware.fbi" | 14:42 |
| shorne | but... the firmware.fbi is built in the previous step and is there | 14:42 |
| shorne | some kind of race condition | 14:42 |
| shorne | need to figure it out. | 14:42 |
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| mithro | shorne: Okay, I'll take a look | 18:14 |
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| shorne | mithro: its due to FirmwareROM, which looks for rom filename during construction __init__() | 21:35 |
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| shorne | which is done when the SoC is constructed | 21:36 |
| shorne | but since you need an SoC to build the firmware it can't work | 21:36 |
| shorne | I have and idea | 21:36 |
| shorne | *an idea, either | 21:40 |
| shorne | 1. Use a sidderent SoC in make.py for firmware and gateware | 21:40 |
| shorne | 2. try to change FirmwareROM to lazy load date | 21:40 |
| shorne | *data, instead of requireding data only during construction | 21:41 |
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| shorne | mithro: actually, it looks like this is alredy fixed in litex soc Builder() which has a hook for initialize_rom | 22:03 |
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| shorne | maybe thats for bios not H2U firmware | 22:11 |
| shorne | ok.. .I fixed it | 22:25 |
| cr1901_modern | mithro: FYI the up5k-b-evn board doesn't have serial. So a user will have to do the _tiniest_ bit of soldering to get access to the serial port on one of the unpopulated headers :( | 23:36 |
| cr1901_modern | Of course I don't care about having to do soldering but it's kinda user unfriendly :( | 23:37 |
| mithro | cr1901_modern: Well that is stupid | 23:42 |
| cr1901_modern | I mean... yea, it is. But not much I can do about it | 23:43 |
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