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IOB fuzzer results are unstable #5

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litghost opened this issue Jul 15, 2020 · 1 comment
Open

IOB fuzzer results are unstable #5

litghost opened this issue Jul 15, 2020 · 1 comment
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@litghost
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I've seen a couple different forms of instability in the IOB fuzzer results.

Examples:

Transpose of LVCMOS18 I6 <-> I8:

-HPIO_RIGHT.IOB_X0Y12.IOSTANDARD_OUT.LVCMOS15_IDRIVE_I6_SLEW_SLEW_FAST_LVCMOS18_IDRIVE_I6_SLEW_SLEW_FAST_LVCMOS18_IDRIVE_I8_SLEW_SLEW_FAST !02_689 !02_703 !02_745 !02_746 02_778 03_688 !03_693 !03_696 !03_700 !03_734 !03_745 03_777 03_778 !03_779 !03_780
+HPIO_RIGHT.IOB_X0Y12.IOSTANDARD_OUT.LVCMOS15_IDRIVE_I6_SLEW_SLEW_FAST_LVCMOS18_IDRIVE_I8_SLEW_SLEW_FAST_LVCMOS18_IDRIVE_I6_SLEW_SLEW_FAST !02_689 !02_703 !02_745 !02_746 02_778 03_688 !03_693 !03_696 !03_700 !03_734 !03_745 03_777 03_778 !03_779 !03_780

New bit coming or going:

-HPIO_RIGHT.IOB_X0Y19.IOSTANDARD_OUT.LVCMOS15_IDRIVE_I12_SLEW_SLEW_SLOW 00_987 00_988 00_989 00_990 00_991 !00_993 !00_994 !00_996 !00_997 !00_998 00_1065 !00_1066 00_1067 01_976 !01_981 !01_982 !01_984 !01_985 01_986 01_987 01_988 01_989 01_990 !01_992 !01_993 !01_994 !01_996 !01_997 !01_1022 01_1065 01_1066 !01_1067 !01_1068 !02_706 !02_709 !02_1163 !03_705 !03_709 03_972
+HPIO_RIGHT.IOB_X0Y19.IOSTANDARD_OUT.LVCMOS15_IDRIVE_I12_SLEW_SLEW_SLOW 00_987 00_988 00_989 00_990 00_991 !00_993 !00_994 !00_996 !00_997 !00_998 00_1065 !00_1066 00_1067 01_976 !01_981 !01_982 !01_984 !01_985 01_986 01_987 01_988 01_989 01_990 !01_992 !01_993 !01_994 !01_996 !01_997 !01_1022 01_1065 01_1066 !01_1067 !01_1068 01_1123 !02_706 !02_709 !02_1163 !03_705 !03_709 03_972
@litghost
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litghost commented Jul 17, 2020 •
edited

Looks like the initial DB push had a bad IOB result for at least one of the pads. I'll dig and see if can find a fix.

@litghost litghost self-assigned this Jul 17, 2020
This was referenced Jul 20, 2020
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tmichalak pushed a commit to tmichalak/prjuray that referenced this issue Aug 25, 2020
@litghost
Merge pull request f4pga#5 from litghost/working_tilegrid
4c48823 
Initial commits, update tilegrid and run make format
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