Hi,
I have a DE10-Standard board. When I boot up Linux I can use the HPS to access the onboard video chip (ADV7180) using i2c reads and setting the HPS_I2C_CONTROL. However, after I program the FPGA portion using Quartus programmer or load an rbf file, I’m unable to use the HPS to access the ADV7180. Does programming the FPGA logic somehow change how the HPS accesses GPIO registers or the I2C pins?
Thanks,