Mity CPU Platforms

05/13/2025

09:25 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Rajkumar Dumala wrote in message#6940:
> Hi Mike,
>
> I was on leave for the past four days, so I wasn't able to ... Jonathan Cormier

09:29 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Rajkumar,
It's not clear why there would be a difference between the two. It's the same processor / frequency ... Michael Williamson

07:28 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
I was on leave for the past four days, so I wasn't able to communicate.
When we tested on the TI EVM, ... Rajkumar Dumala

04:48 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Sorry guys. Ecc doesn't work with the current u-boot code.
The issue is my ddr setup code which dynamically sets u... Jonathan Cormier

02:21 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Raj,
Does it work on the TI EVM? The reason I ask is that the EVM has 8 GB of memory. I just want to make sur... Michael Williamson

02:01 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Mike,
I don't understand why it's not working, even though all the reserved regions seem to be within the valid... Rajkumar Dumala

12:11 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Rajkumar,
From this link:
https://support.criticallink.com/redmine/projects/mitysom_am62x/wiki/Enabling_DDRS... Michael Williamson

10:42 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hello,
It was my mistake—I shared the wrong screenshot earlier. You can find the correct one attached with this me... Rajkumar Dumala

10:38 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hello Mike,
I reduced the CMA size to 512 MiB; however, the issue remains the same.I am providing the image for yo... Rajkumar Dumala

09:37 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Well. Sorry it only goes up to 0xF0000000. But that still may be too high. Michael Williamson

09:36 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hello,
When you enable ECC in LPDDR4, you reduce the maximum amount of addressable memory available to the device.... Michael Williamson

07:49 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Just to add to the above point:
In the boot log, it shows that ECC is enabled, and I am able to run some test case... Rajkumar Dumala

07:43 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Enable DDR ECC in Am62A processor

Hello there,
We are using the MitySOM-AM62x Devkit with the AM62A System on Module (SoM), which includes 4 GB of L... Rajkumar Dumala

05/12/2025

01:37 PM MitySOM-AM57X PCB Development: RE: I/O voltage levels

Hi Shankar,
Take a look at our PCIE / DMA example on our git server:
https://support.criticallink.com/gitweb/?p... Michael Williamson

12:25 PM MitySOM-AM57X PCB Development: RE: I/O voltage levels

Hi Michael,
Thank you for your response.
We are initiating FPGA development on the MitySOM-AM57X development bo... Bhima Shankar

05/07/2025

02:55 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Note we are not super familiar with ROS but from my quick googling, sending messages around 1kHz does seem like its a... Jonathan Cormier

02:21 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Rajkumar, Note I added pre tags around your code dumps. You have been using the @ symbols but that only works for si... Jonathan Cormier

10:06 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

When you run the example on the TI EVM (with SDK 10.1 + RT config), do you see 1000 Hz performance or the same 600 Hz... Michael Williamson

05:46 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
We have pulled the Ubuntu-based Docker container on top of the MitySOM SDK 10.01.
We built the kernel us... Rajkumar Dumala

05/05/2025

12:12 PM MitySOM-AM57X PCB Development: RE: I/O voltage levels

The SOM ties the following AM57x voltage IO domains to 1.8V. You will need to use level shifters on your board to ge... Michael Williamson

12:01 PM MitySOM-AM57X PCB Development: RE: I/O voltage levels

Hello Mike,
Thank you for your swift and helpful response.
We are planning to use I2C3, I2C4, and I2C5 ... Bhima Shankar

11:41 AM MitySOM-AM57X PCB Development: RE: I/O voltage levels

Hello,
You should use level shifters to shift up to 3.3V. Do not pull the I2C pins directly to 3.3V or modify t... Michael Williamson

10:59 AM MitySOM-AM57X PCB Development: I/O voltage levels

In the data sheet of MITY-SOM_AM57F SOM board page 4, it is mentioned that the AM57XX MFIOs are operating at 1.8V lev... Bhima Shankar

05/02/2025

01:06 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
The U-Boot build is working fine. I haven't tried the SD card image you mentioned yet, but I will try it an... Rajkumar Dumala

05/01/2025

07:43 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Updated 10.1 62A images have been released. https://support.criticallink.com/redmine/projects/mitysom_am62x/wiki/Repo... Jonathan Cormier

04/30/2025

03:45 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

I also just pushed the commit to the mitysom-u-boot-2024.04 u-boot branch. So you could build u-boot and update the 1... Jonathan Cormier

02:13 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

> Card did not respond to voltage select! : -110
> spl: mmc init failed with error: -95
> SPL: failed to boot f... Jonathan Cormier

01:07 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
Hope you're doing well.
We received the AM62A SoM today from Critical Link and inserted it into the AM62... Rajkumar Dumala

04/29/2025

01:43 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

> I ran the 62xx-build-dts.sh script, but it threw an error because it was unable to find the .config file
Thanks ... Jonathan Cormier

12:54 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Glad you got it fixed! (our comments passed each other!) Michael Williamson

12:53 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Can you check if you disabled the MCAN0 mux options? Usually the first device to claim the resource wins, so if MCAN... Michael Williamson

12:46 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
Update on the above comment:
It is working now. The issue was that pins B23 and F20 were already being use... Rajkumar Dumala

11:54 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

We’ve now implemented the changes you suggested, and the OS is working fine.
Since we only copied the U-Boot and d... Rajkumar Dumala

04/21/2025

02:54 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Video encoding power performance

Nothing beyond some of the MIPI camera streaming.
Do you have a specific encoding in mind? A gstreamer pipeline w... Jonathan Cormier

02:05 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Video encoding power performance

Have you done any performance testing with video encoding? We are specifically looking for the power consumption del... Bryan Lilly

04/17/2025

01:22 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

We also have specific guides on how to build our u-boot and kernel linked below.
https://support.criticallink.com/... Jonathan Cormier

12:57 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

The links to our git repositories and branch names for the kernel and uboot (you'll want the latest / scarthgap relea... Michael Williamson

12:44 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
I did the same setup using the TI Debian SDK v10.00. It booted successfully, and I have the default TI ke... Rajkumar Dumala

12:22 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Rajkumar,
Ok. I rebuilt the image using TI's SDK 10.01 debian trixie am62pxx-evm build (vs. the am62xx build) ... Michael Williamson

06:01 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
Just to clarify, I hadn’t found the link below previously—it looks like it was updated recently:
https... Rajkumar Dumala

04/16/2025

08:11 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Rajkumar,
The image I provided was for a MitySOM-AM62x, not an MitySOM-AM62P. You'll need to redo what I have ... Michael Williamson

02:41 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Note replace references of am62x with am62p. So make sure to download the am62p tisdk image and but still start with ... Jonathan Cormier

01:31 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
I'll try the image that you sent and will update you on the status.
Thank you. Rajkumar Dumala

01:09 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Rajkumar,
Can you try this image?
https://support.criticallink.com/files/mitysom62x/tisdk-debian-trixie-mity... Michael Williamson

11:41 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Mike,
Thanks for your reply.
I flashed the reference microSD card image (Debian) provided by Critical Link, ... Rajkumar Dumala

11:18 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Debian SDK Not booting in am62p (Am62x dev kit)

Hi Rajkumar,
Did you note the (brief) instructions here:
https://support.criticallink.com/redmine/projects/mity... Michael Williamson

11:01 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Debian SDK Not booting in am62p (Am62x dev kit)

Hello There,
We have a MitySOM-AM62x Development Kit and the AM62P family SoM as well. I flashed the Debian image ... Rajkumar Dumala

04/14/2025

10:49 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: STP model missing mounting hole

Hi Brian,
I uploaded an new export for the file requested. I think the hole should be visible in that model. Sor... Michael Williamson

09:35 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: STP model missing mounting hole

I have 80-001614RI-2_STEP_RevA.step and it does not have a hole for the standoff called out in the carrier board desi... Bryan Lilly