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Merge pull request #3 from htfab/main
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Add fixes for openlane 2 warnings & openlane 2.1 errors
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urish authored Sep 20, 2024
2 parents 60dc9b8 + 130263b commit 0dbde29
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Showing 2 changed files with 12 additions and 12 deletions.
16 changes: 6 additions & 10 deletions src/config.json
Original file line number Diff line number Diff line change
Expand Up @@ -11,17 +11,17 @@

"//": "Here are some of the variables you may want to change:",

"//": "PL_TARGET_DENSITY - You can increase this if Global Placement fails with error GPL-0302.",
"//": "Users have reported that values up to 0.8 worked well for them.",
"PL_TARGET_DENSITY": 0.6,
"//": "PL_TARGET_DENSITY_PCT - You can increase this if Global Placement fails with error GPL-0302.",
"//": "Users have reported that values up to 80 worked well for them.",
"PL_TARGET_DENSITY_PCT": 60,

"//": "CLOCK_PERIOD - Increase this in case you are getting setup time violations.",
"//": "The value is in nanoseconds, so 20ns == 50MHz.",
"CLOCK_PERIOD": 20,

"//": "Hold slack margin - Increase them in case you are getting hold violations.",
"PL_RESIZER_HOLD_SLACK_MARGIN": 0.1,
"GLB_RESIZER_HOLD_SLACK_MARGIN": 0.05,
"GRT_RESIZER_HOLD_SLACK_MARGIN": 0.05,

"//": "RUN_LINTER, LINTER_INCLUDE_PDK_MODELS - Disabling the linter is not recommended!",
"RUN_LINTER": 1,
Expand All @@ -42,10 +42,7 @@
"RUN_KLAYOUT_DRC": 0,

"//": "Don't put clock buffers on the outputs",
"PL_RESIZER_BUFFER_OUTPUT_PORTS": 0,

"//": "Allow use of specific sky130 cells",
"SYNTH_READ_BLACKBOX_LIB": 1,
"DESIGN_REPAIR_BUFFER_OUTPUT_PORTS": 0,

"//": "Reduce wasted space",
"TOP_MARGIN_MULT": 1,
Expand All @@ -56,7 +53,6 @@
"//": "Absolute die size",
"FP_SIZING": "absolute",

"PL_BASIC_PLACEMENT": 0,
"GRT_ALLOW_CONGESTION": 1,

"FP_IO_HLENGTH": 2,
Expand All @@ -77,7 +73,7 @@
"RUN_CTS": 1,

"//": "Don't use power rings or met5 layer",
"DESIGN_IS_CORE": 0,
"FP_PDN_MULTILAYER": 0,
"RT_MAX_LAYER": "met4",

"//": "MAGIC_DEF_LABELS may cause issues with LVS",
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8 changes: 6 additions & 2 deletions test/tb.v
Original file line number Diff line number Diff line change
Expand Up @@ -22,14 +22,18 @@ module tb ();
wire [7:0] uo_out;
wire [7:0] uio_out;
wire [7:0] uio_oe;
`ifdef GL_TEST
wire VPWR = 1'b1;
wire VGND = 1'b0;
`endif

// Replace tt_um_example with your module name:
tt_um_example user_project (

// Include power ports for the Gate Level test:
`ifdef GL_TEST
.VPWR(1'b1),
.VGND(1'b0),
.VPWR(VPWR),
.VGND(VGND),
`endif

.ui_in (ui_in), // Dedicated inputs
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