
pfuhrman
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pfuhrman started following Turning on VADJ from PMCU on Genesys ZU and Board Files (XML) for Genesys ZU
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Are there any XML board files that can be installed for the Genesys ZU board? Even incomplete would work as a starting point. OK, Found the board file on Github here: https://github.com/Digilent/vivado-boards/blob/master/new/board_files/genesys-zu-3eg/B.0/board.xml
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Thanks, @Elodg. I don't see how I could have damaged it. My work with the board has mainly been with Petalinux and FPGA fabric designs, and I have programmed QSPI for bootup. I have not done anything with J38, I was just speculating about how to see if the PMCU was doing anything at startup. I don't see anything over I2C or the LED. I guess that all the IRPS5401's are pre-programmed in NVM and don't need tweaking at startup, other than VADJ if requested. For my immediate needs I can use I2C from the ZU3EG to do that. But I am concerned if there is anything else I am missing, other than
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Thanks, @JColvin. Meanwhile, I have experimented with I2C from the ZU3EG, and I find that I can turn on the VADJ power controller and set the voltage with a several register settings. But the PMCU just seems to be dead. But it took a while going through the documentation on these Infineon PMICs. I'd like to know how much does normal operation rely on the ATmega PMCU, or is it mainly for health monitoring.
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I have a Genesys ZU Rev. B board which comes up fine except the PMCU LED does not come on or blink at all, as it says in the reference manual. Nor can I turn on VADJ by outputting on the LEVEL0/1 and VADJ_AUTON signals from the 3EG chip. I have tried communicating with the ATMega over its serial port, but I get no response. For example, "0301" should return the firmware version. I have a logic analyzer on J36 to observe the startup I2C activity from the PMCU, but I see no activity at main power-on. I'm assuming that the PMCU is working since the ZU3EG comes up, but I also need