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jtag_vpi: add some hysterisis for waiting for init_done

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This commit is contained in:
Megan Wachs 2017-09-06 18:13:04 -07:00
parent f1b7666d21
commit 19eabb6728
1 changed files with 4 additions and 4 deletions
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8
vsrc/jtag_vpi.v
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@ -87,10 +87,10 @@ begin
data_out <= 32'h0; data_out <= 32'h0;
data_in <= 32'h0; data_in <= 32'h0;
// Insert a #delay here because we need to // Small delay to get past reset instability
// wait until the PC isn't pointing to flash anymore // before checking for init_done
// (this is around 20k ns if the flash_crash boot code #200
// is being booted from, else much bigger, around 10mil ns)
wait(init_done) wait(init_done)
if($test$plusargs("jtag_vpi_enable")) main; if($test$plusargs("jtag_vpi_enable")) main;
end end