Running 'make' will build the default project directly in the project folder (like it did before)
Running 'make RX_LANE_RATE=15 TX_LANE_RATE=15' will build the project inside the 'RXRATE15_TXRATE15' subdirectory.
Running 'make CFG=cfg/test_config.txt" will use the variables found inside the configuration file and build the project inside the 'test_config' subdirectory.
Running 'make clean' will clean the default project only.
Running 'make CFG=cfg/test_config.txt clean' will clean the 'testconfig' build.
Running 'make clean-all' will delete all the built configurations and libraries.
Note that the 'JESD' and 'LANE' words from the parameter names are stripped.
Signed-off-by: Bogdan Luncan <bogdan.luncan@analog.com>
Deleted lines after endmodule and consecutive empty lines.
Modified parentheses, extra spaces.
Fixed indentation.
Fixed parameters list to be each parameter on its line.
Signed-off-by: Iulia Moldovan <iulia.moldovan@analog.com>
For CMOS case, lane rates are so low that reference clock of the source
synchronous interface can be routed on non-clock routes. The delays on
the clock line are adjusted by the digital interface tuning controlled
through software.
Lock down clock buffers on Rx and Tx interfaces, this avoids suboptimal
placement which causes large skew between clocks at the serdes pins.
1. Reduce max allowed skew between source synchronous clocks that can
occur due PCB differences. 250ps represents a difference more than an
inch.
2. In order to reduce skew between source synchronous clock and the
divided clock instruct the tool to use a common clock root for them.