Max Köhler ec70691e84 fpga: lib: add handshake to replace FIFO for ctrlport CDC
The clock crossing of the ctrlport used FIFOs to transfer requests and responses
between clock domains. This commit adds a handshake based on the pulse
synchronizer to reduce the resource usage for ctrlport clock domain crossing.
Data is stored in a single register while the pulse synchronizer handles the
signaling of valid flags.


Original-commit: 2c2bb3a0b7269dcbd8b5933ce1c0c29ca17f599d
2020-08-13 07:46:14 -05:00
2020-07-31 13:22:29 -05:00
S
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