pulp-platform / axi-io-pmp

Input / Output Physical Memory Protection Unit for RISC-V
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Break config critical path #7

Closed andreaskuster closed 2 years ago

andreaskuster commented 2 years ago

Timing analysis showed that the critical path is from the axi slave to the config and status register. This PR breaks this path with a spill register (we do not really care about an extra cycle on the config bus)