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tplaten | When I try to pnr ls2 for the orangecrab, I get ERROR: DQS group mismatch, port DQSW270 of 'ddrphy.U$$46' in group LDQ41 is driven by DQSBUFM 'ddrphy.U$$45' in group LDQ53 in nextpnr | 16:47 |
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tplaten | I have carefully compared nmigen-boards to the schematics and still don't understand whats going wrong | 16:52 |
gatecat | ls2? | 16:57 |
gatecat | the problem is probably a mismatch between DQS groups | 16:57 |
tplaten | this one https://git.libre-soc.org/?p=ls2.git;a=summary | 16:57 |
tpb | Title: git.libre-soc.org Git - ls2.git/summary (at git.libre-soc.org) | 16:57 |
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tplaten | most likely | 16:58 |
gatecat | it might also be worth asking one of the orangecrab people | 16:58 |
gatecat | and looking at other amaranth projects using the orangecrab to compare? | 16:58 |
tplaten | I am going to ask them, as microwatt is already working | 16:59 |
tplaten | I am not aware of any other project using orangecrab to compare, so I ask gregdavill | 17:01 |
jevinskie[m] | Looks like it is flipped compared to litex https://github.com/litex-hub/litex-boards/blob/master/litex_boards/platforms/gsd_orangecrab.py | 19:21 |
tplaten | I'll have a look tomorrow | 19:27 |
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