For reliable and correct operation it is vital that the FPGA is fully
configured and up and running before the PCIe host de-asserts the reset.
Add a small logic circuit that detects de-assertion of the reset signal
that can be used to verify that the reset de-assertion was seen by the
FPGA.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
The IO voltage for bank 12 and 13 is 3.3V on the PCIe carrier. Set the
IOSTANDARD of the pins on these banks accordingly.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Only the FMC carrier and the breakout board do have push buttons and LEDs.
They are not present on the PCIe carrier. So move the constraints to a
separate file that can be included by the projects that need them and
remove all LED and button related signals from the PCIe project.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
To be able to access the GPIO pins and the SPI port through the PCIe bridge
we need to use the PL SPI and GPIO controllers rather than the PS
controllers. Adjust the sytem_top.v accordingly so that the PL peripherals
are connected to the external pins.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Istvan Csomortani
Lars-Peter Clausen
Adrian Costina
Rejeesh Kutty