Kishore Kumar1

We are able to proceed with some changes in dpmutil integration our petalinux 2023.1 image and get Voltage at ZMOD A. Took Calibration reader as an example from github. Made similar changes. Now VADJA is hardcoded with 1.8V. As of now we are proceeding with this. Please try from your side on latest petalinux version if possible. Thanks

Ok Thans. we will wait for your feedback

Hi, our team is facing integrating the dpmutil. do you have any suggestion for below ? There are several commands to create app and integrate it in the petalinux. We tried with the simple one which is 1. "petalinux-create -t apps -n myapp --enable" .-- this way we are getting lots of error related to not indentifying the header files. 2."petalinux-create -t apps --template install --name dpmutil --enable" – In this case we are not facing any error but we are not sure the code is running correctly. There are other commands also, I attached those in the screenshot. Can you please verify which is the correct command to use in this scenario?

Hi, we checked your image with decutil and no boards plugged in and we see we could drive ZDMOD LED and voltage seems fine and below is screen shot. does this means it is SW issue on our board ? As is replied previously "Also we are not able to integrate decutil app in our Linux build may be this is old version. we are using 2023.1 vivado. It will be great if you could share the latest decutil code " This will help us building our linux image. Also in your shared boot image, could you share Vivado project also to know any specific changes we need to make in FPGA build ? Basically we see our main issue is we need to integrate decutil app and normal I2C commands wont work due to SW limitation ?

Hi, Thanks for details. I) We are trying with Example image which you shared(Since our board is remotely connected facing some delay there). II) Complete Firmware means, Codes shared here are main.c, PlatformMCU.h, PlatformMCU.c. In that not able to see how 1. SYZYGY_A_det is controlled 2. Fan control 3. Temp Control etc. if we tries to modify firmware only For SYZYGY det and program on Atmega, other function should not affect. Is it possible share all that ? Please correct me if I am wrong. Also we are not able to integrate decutil app in our Linux build may be this is old version. we are using 2023.1 vivado. It will be great if you could share the latest decutil code . Thanks for your constant replies which is helping us in our board bring as this is blocker for SW team developement

also is there any difference in "If no DNA is present" and "nothing connected to ZMOD" to platform SW point of view. In both cases we can still override the voltage ?

Thanks, we will try 0.3 image in our board and get back to you. I) We are facing some issue with dpmutil integration with petalinux 2023.1 version. Because of that we are using I2C commands for read and write. Mentioning the steps we followed: Read 0x804C (VADJ_A_VOLTAGE). It is 0x0708 (Interpreted as 1800 in decimal). Command: i2ctransfer -f -y 0 r2@0x60 0x80 0x4C r2 Read 0x804E register is always 0x00 and LED3 is always OFF.   Command : i2ctransfer -f -y 0 r2@0x60 0x80 0x4E r2 So tried to override VADJ_A (0X804E) also using I2C commands VADJ_A and But results is 0x0000 only VADJ_STATUS(0X8088) also 0x0000 . Command: i2ctransfer -f -y 0 w2@0x60 0x80 0x4E w2 0xC0 0xB4 We have one doubt here. Since "vltgSet10mV" is only 10 bit as per below image what value need to keep for 1.8V (x0B4)? Any other changes need to do in Platform configuration or reset register ? II)Also, Is it possible to get complete firmware on PMCU. If yes please provide the process need to follow. We have Eclypse Z7 board purchased by customer already

also if we want to change MCU firmware and hard code Enable and DET signals is it possible to update ? could you please share steps to update firmware and connector details and steps plz

Hi, we dont have any pd connected on board, we are using zmod connector for normal GPIO signals to be driven to other board. your statements are contradicting as you "What this means is that if you have a pod with an MCU that responds to SLA+W but does not return a valid SYZYGY DNA, then you won't be able to override the voltage on that port." and " I believe you should be able to force start the VIO supply at any voltage you want if no pod is present " . as we dont have pod connected then we tried this also : ADJ_n_OVERRIDE register and set the fOverride bit to 1, set fEnable to 1, and set vltgSet10mV field to but we still see voltage on Vadja is always zero. could you please suggest how to override in this case? we need 1.8 on Vadja to FPGA. It looks to PMCU not getting ack then it is not allowing us to drive the override option ? In this we need some way to drive the bank voltage to FPGA. Please suggest

Hi, we tried above VADJ_n_OVERRIDE and fOverride but still not working. we see SYZYZY_A_DET signal is not high ? Any requirements on this signal between FPGA and PMCU ? we see ENVADJA signal is always stuck to low in board. please suggest how we can override this from PMCU. Thanks Kishore

Hi, we are using eclypse z7 board and using zmod for normal connection and now following the syzyzy standard. we want to enable VADJA_PWR_EN by using I2C command, we tries all options from given register spec but we cannot enable it. Assuming we dont have any POD connected on zmod connection could you explain I2C commands to enable Vadja bank power ? we need this urgently Thanks Kishore

so in this case i assume we no need to do anything in FPGA ? Also i dont see EEPROM is existing's as per schematics. we need 1.8 v on bank 34, Please suggest what steps we need to do here in FPGA design point of view as well board bring up point of view?

what is meant by " SYZYGY pods with DNA are installed" ? do we need to add any specific things in vivado projects, our design just maps the pins as per SYNZY connector details on board.

Hi, we are using zmod connector for more than 20 single ended to other board so can we use differential pins also as singled ended ? Thanks Kishore