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2020-07-16[breaking-change] Update SPI pin names.ECP5-PCIe
The new names follow the OSHWA convention described at: https://www.oshwa.org/a-resolution-to-redefine-spi-signal-names/
2020-06-11[breaking-change] nexys4ddr: fix UART RTS/CTS pins.Ivan Grokhotkov
According to the schematic, RTS is E5 and CTS is D3. Previously these were reversed to work around signal direction set in UARTResource. Un-reverse the signals, and set correct direction by passing role=dce. Ref. https://reference.digilentinc.com/_media/nexys4-ddr:nexys_4_ddr_sch.pdf
2020-03-17nexys4ddr: enable pushbutton reset.Stuart Olsen
2020-01-15Add Digilent Nexys 4 DDR board.Nicolas Robin