Mity CPU Platforms

03/03/2026

08:51 PM MitySBC-Agilex5 FPGA Development: RE: Where can I find the schematic for MitySBC_Agilex5

Hi Eleonora,
Are you trying to run EP or RP?
The GBTCLK0_M2C_P/N on FMC D4/D5 is run to REFCLK_GSTR4B_CH1p/n (A... Michael Williamson

08:26 PM MitySBC-Agilex5 FPGA Development: RE: Where can I find the schematic for MitySBC_Agilex5

Thank you, Mike.
I was asking about the schematic, because I don't have information about all the pins that are con... Eleonora Haralanova

03/02/2026

08:14 PM MitySBC-Agilex5 FPGA Development: RE: Where can I find the schematic for MitySBC_Agilex5

Hello Eleonora,
To confirm, are you using the MitySBC hardware? If so then the three possible banks for PCIe x4 w... Michael Williamson

03:24 PM MitySBC-Agilex5 FPGA Development: Where can I find the schematic for MitySBC_Agilex5

Hello,
I'm trying to instantiate 3 PCIe Gen3 x4 lanes IPs in the FPGA but can't figure out which pins are available ... Eleonora Haralanova

02/27/2026

08:18 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: JTAG_avalon_master access HPS DDR timeout

Hi Xiang,
Are you using the "Makefile":https://support.criticallink.com/gitweb/?p=mitysom-5csx-ref.git;a=blob;f=de... Daniel Vincelette

07:07 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: JTAG_avalon_master access HPS DDR timeout

Hi Dan,
Thanks for your support, I build a envirment with Ubuntu 22.04 and Quartus 23.1; and finish re-build ub... Xiang Shuai

02/26/2026

02:58 PM MitySBC-Agilex5 Software Development: RE: Eclipse Application

Got it thank you!
Tom Thomas Catalino

02:52 PM MitySBC-Agilex5 Software Development: RE: Eclipse Application

This question was posted and answered on thread: https://support.criticallink.com/redmine/boards/72/topics/7175
If... Mike Fiorenza

02/25/2026

05:05 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Great glad it worked. Hopefully the dtc command examples will be helpful for you and others as well Jonathan Cormier

04:59 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

I md5sum'ed the SD dtb and the emmc dtb, they were in-fact different. I re-copied the files and now it is working. I ... Ben H

04:24 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

It would also be a good idea to md5sum the emmc and sdcard versions of the tfc dtb to make sure they are infact ident... Jonathan Cormier

04:23 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Thanks Ben, I hadn't realized that.
Lets make sure the tfc device tree file contains what you expect it to.
Do ... Jonathan Cormier

03:35 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

can you also post the dtb file? Michael Williamson

03:21 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Sorry, I just posted the u-boot log, it does indeed boot. Per the u-boot log it claims to load my dtb but the differe... Ben H

02:43 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

> Some progress made, it now finds the file but still does not load it.
It looks like it did load it from the eMMC s... Jonathan Cormier

02/24/2026

11:06 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Hi Jonathan,
Some progress made, it now finds the file but still does not load it.
Here are the dtbs (the "-t... Ben H

10:47 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Yeah please share the console log during the boot attempt.
To get a bit more debug info, enable xtrace in u-boot... Jonathan Cormier

10:38 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Hi Jonathan,
Thanks for your reply. Unfortunately, that did not solve the problem. The system fails to find the fi... Ben H

09:26 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: AM62A eMMC Boot - Kernel Device Tree

Hi Ben,
The device tree file that gets loaded is set in the fdtfile variable. You should be able to update it to ... Jonathan Cormier

08:52 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: AM62A eMMC Boot - Kernel Device Tree

I’m working with the AM62A SoM and a Yocto development environment, switching between the CL devkit and custom hardwa... Ben H

09:39 PM MitySOM-QC6490 PCB Development: RE: Auto start

When talking about input power to the SOM that would be the 3V7-BAT rail.
There would be a delay between power bei... William Evans

09:14 PM MitySOM-QC6490 PCB Development: RE: Auto start

Thanks!
Does power have to be high for a certain amount of time before the power-on pulse? If so, which rail and f... Nathan Olson

07:30 PM MitySOM-QC6490 PCB Development: RE: Auto start

The only "automatic" power on we have implemented so far is software control from an Arduino.
There are two main s... William Evans

03:15 PM MitySOM-QC6490 PCB Development: Auto start

I'm using DC power and I'd like to auto-start the SOM when power is applied. What are the requirements for the signal... Nathan Olson

02/23/2026

08:07 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: JTAG_avalon_master access HPS DDR timeout

Hi Xiang,
Sorry about the delay. It looks like this is either due to a missing or unexpected character in the U-Bo... Daniel Vincelette

07:03 PM MitySOM-5CSX Altera Cyclone V FPGA Development: RE: JTAG_avalon_master access HPS DDR timeout

Hi Dan,
Do you have any update, what I can do now?
BR,
Xiang Xiang Shuai

04:01 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Glad it worked. Thanks for closing the loop Jonathan Cormier

10:44 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Just a quick note to say thanks to everyone for solving this issue this quickly
We have fitted the pullups to our ... Paul Strutt

02/20/2026

09:40 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

We will review and fix our datasheets to make mention of this as well. Jonathan Cormier

09:39 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Hi Paul,
After reviewing and trying a few things, we noticed that these pins are labelled differently in the "TI d... Jonathan Cormier

03:52 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Good morning Paul,
Thank you for the information. We were able to see the same behavior on our end. Tying 3.3 V to... Jake Pregitzer

09:18 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Thanks for all the updates.
It sounds like you can at least reproduce the problem which is a start
Just to answ... Paul Strutt

02/19/2026

08:15 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Hello Paul,
We have replicated this issue on our end. I am using a 62x with our latest SDK (11.01) and found that ... Jake Pregitzer

07:36 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Also are you testing this on our devkit or on a custom design? If a custom design, would you be willing to email it ... Jonathan Cormier

07:19 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Hi Paul,
To confirm, you are using a standard AM62x SOM, correct (not an AM62Ax or AM62Px)?
Thanks,
Mike
Michael Williamson

04:19 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Thanks Mike
I think I have set up the GPIO lines correctly. I followed the steps described in the following wiki
... Paul Strutt

12:59 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

Hi Paul,
By default, the MCU_GPIO peripheral is controlled in the linux kernel for the devkit. (see the arch/arm6... Michael Williamson

11:41 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Problems writing to MCU_GPIO0_19 and MCU_GPIO0_20

I have created an MCU application that uses the MCSPI to communicate with multiple SPI devices.
We need to talk to u... Paul Strutt

07:15 PM MitySBC-Agilex5 Software Development: RE: Application Debug

What are you trying to debug?
If it is an application space program, I would recommend starting with gdb / gdbserv... Michael Williamson

06:29 PM MitySBC-Agilex5 Software Development: Application Debug

What would be the best solution for an application debug? Brady Heater

02:26 PM MitySOM-A5 FPGA Development: RE: question regarding pin assignments for SFP example project

Hi Maxim,
We are looking at it now and have similar concerns. We have not focused too much on the SFP+ port yet a... Michael Williamson