Friday, 2021-10-29

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Melkhior'lo10:57
Melkhior_florent_: trying to figure out a bug that I have, and I just saw this commment: https://github.com/enjoy-digital/litex/blob/70c5be6fb848d20cd20b590a69b246aad2092b24/litex/soc/interconnect/wishbone.py#L16610:57
Melkhiorwhat does it mean? It seems the 'register' parameter is True by default for SoC (https://github.com/enjoy-digital/litex/blob/70c5be6fb848d20cd20b590a69b246aad2092b24/litex/soc/integration/soc.py#L1014)10:58
Melkhiorso I'm guessing it doesn't break that much :-)10:58
MelkhiorTIA10:59
Melkhior(my design had a SBus -> Wishbone bridge, and occasionally my bridge returns a 'rerun' because it didn't receive a Wishbone ACK in time ; limit is 50 SBus cycles, or about 200 Wishbone cycles...)11:00
Melkhior(in about 0.5-2% of read accesses)11:01
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jersey99Thanks sajattack[m]18:32
jersey99I agree that it is super slow. 18:33
jersey99Another noob question: When using a litedram core, the default firmware/cpu code that gets loaded into the bios to run the dram calibration doesn't execute (essentially the bios doesn't boot) until I explicitly open the terminal. Is this intentional? If so, how to have it run automatically with a timer, say?18:45
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cr1901The BIOS code waiting for you to open a terminal sounds specifically like a USB serial thing. If you are using a plain old UART, Idk what could be wrong20:37
tpw_rulesi think the jtag uart has a buffer full flag the BIOS can spin on20:53
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