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Expand litex_sim JTAG support to more CPUs #1993

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merged 2 commits into from
Jun 22, 2024

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FlyGoat
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@FlyGoat FlyGoat commented Jun 18, 2024

Hi all,

This series expanded litex_sim JTAG support to any CPU with add_jtag hook.

It is tested against naxriscv, cortex_m0, and gs232 in #1990.

Please review.
Thanks

Implement add_jtag method for naxriscv, vexiiriscv and vexriscv_smp,
which is the de facto way to add JTAG ports to pads on other CPUs.

Signed-off-by: Jiaxun Yang <[email protected]>
ntrst pin is critical to some JTAG taps to put tap
into a known state.

Implement it in jtagremote testbench with corresponding
remote bitbang commands and hook it up in litex_sim.

Signed-off-by: Jiaxun Yang <[email protected]>
@Dolu1990
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Thanks :D

It look good to me.
@enjoy-digital Good for you ? (ok for merge ?)

@Dolu1990 Dolu1990 requested review from enjoy-digital and Dolu1990 and removed request for Dolu1990 June 21, 2024 09:15
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Thanks @FlyGoat for the PR and @Dolu1990 for the review. Let's merge.

@enjoy-digital enjoy-digital merged commit dd01a87 into enjoy-digital:master Jun 22, 2024
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3 participants