Mity CPU Platforms

06/05/2025

01:53 PM MitySOM-AM57X Software Development: RE: Interfacing pca9535 with arm using i2c expanders (J5)(i2c5)

Okay sounds good Jonathan Cormier

08:55 AM MitySOM-AM57X Software Development: RE: Interfacing pca9535 with arm using i2c expanders (J5)(i2c5)

Sorry for the late reply.
We were able to interface the pca9535 after adding the respective nodes for it in the i2... Thejas Raj

06/03/2025

06:43 PM MitySOM-AM57X Software Development: RE: Interfacing pca9535 with arm using i2c expanders (J5)(i2c5)

> even when data is coming from pca9535. I suppose the 20 1 column should show 21, but it is not coming up.
What doe... Jonathan Cormier

03:48 PM MitySOM-AM57X Software Development: RE: Interfacing pca9535 with arm using i2c expanders (J5)(i2c5)

correction: the extension is J4 Thejas Raj

03:45 PM MitySOM-AM57X Software Development: Interfacing pca9535 with arm using i2c expanders (J5)(i2c5)

Hello,
We are trying to interface external pca9535 with the evk via the i2c5 bus. We'll be using the J5 extension ... Thejas Raj

05/30/2025

02:57 PM MitySOM-AM57X Software Development: RE: Configuring and editing the pinmux settings for AM57(F) dev kit through dts files.

Thejas Raj wrote in message#6973:
> Hi,
> Thank you for your reply.
>
> And can you give me the path to the u-bo... Jonathan Cormier

05:55 AM MitySOM-AM57X Software Development: RE: Configuring and editing the pinmux settings for AM57(F) dev kit through dts files.

Hi,
Thank you for your reply.
And can you give me the path to the u-boot device tree in the yocto environment. Th... Thejas Raj

06:40 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enquiry about mcu_safety_error pin

Hi Mike,
Thank you for your response.
We are working with the SDL (Safety Diagnostic Library), and as part of t... Rajkumar Dumala

05/29/2025

02:00 PM MitySOM-AM57X Software Development: RE: Configuring and editing the pinmux settings for AM57(F) dev kit through dts files.

Note if you are developing a custom board, we'd be happy to do a schematic/layout review as well. Those can be email... Jonathan Cormier

01:57 PM MitySOM-AM57X Software Development: RE: Configuring and editing the pinmux settings for AM57(F) dev kit through dts files.

Unfortunately TI's guidance at least for SDK 6, is that the majority of pinmuxing must be done in u-boot while the IO... Jonathan Cormier

10:30 AM MitySOM-AM57X Software Development: Configuring and editing the pinmux settings for AM57(F) dev kit through dts files.

Hi,
We have a yocto source built following the arm development wiki and a working base image.
We are trying to... Thejas Raj

09:23 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enquiry about mcu_safety_error pin

Hello,
The MCU_ERRORn signal is not connected to the PMIC. It is pulled low on the board via a 4.7K resistor.
... Michael Williamson

06:44 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Enquiry about mcu_safety_error pin

Hello there,
Question 1. For the MitySOM AM62A, is the pin MCU_SAFETY_ERRORn connected to the PMIC ?
Question ... Rajkumar Dumala

05/26/2025

02:35 PM MitySOM-5CSX Altera Cyclone V PCB Development: RE: Displayport

Thank you very much for your quick answer ! Your schematic is very clear, it's exactly what I was looking for; I'll a... mo ned

10:47 AM MitySOM-AM57X Software Development: RE: Programming FPGA through JTAG and High speed data transfer support

Hi Shankar,
It is a US holiday today, I will add some documentation for programming via JTAG (at least a wiki page... Michael Williamson

07:03 AM MitySOM-AM57X Software Development: Programming FPGA through JTAG and High speed data transfer support

Hello everyone,
We are currently working on a project using the MitySOM-AM57X development board, and we would appr... Bhima Shankar

05/23/2025

04:23 PM MitySOM-5CSX Altera Cyclone V PCB Development: RE: Displayport

Hello,
We have driven a displayport output from a MitySOM-5CSX transceiver group.
For proof of concept we had d... Michael Williamson

01:59 PM MitySOM-AM57X FPGA Development: RE: MitySOM-AM57F communicating to FPGA via PCIe

Thanks mike for the quick response. I will look through these examples Shaik Mahaboob Nazeer

01:45 PM MitySOM-AM57X FPGA Development: RE: MitySOM-AM57F communicating to FPGA via PCIe

See link below for the FPGA example projects which include PCIe.
https://support.criticallink.com/redmine/projects... Mike Fiorenza

01:24 PM MitySOM-AM57X FPGA Development: MitySOM-AM57F communicating to FPGA via PCIe

We are using MitySOM-AM57(F) Development Kit for our development. Are there any examples provided to read and right t... Shaik Mahaboob Nazeer

05/22/2025

06:53 PM MitySOM-5CSX Altera Cyclone V PCB Development: Displayport

We are planning to use the high speed transceivers for a displayport output, but we're not sure of voltage compatibil... Judy Mastracco

05/20/2025

05:29 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Jonathan,
Thank you for your support. It's clear now, and I see that they have provided the DDR ECC driver code... Rajkumar Dumala

05/19/2025

03:29 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Rajkumar Dumala wrote in message#6956:
> Hi Jonathan,
>
> Thank you for the response.
>
> I applied the three ... Jonathan Cormier

05/18/2025

06:47 PM MitySOM-AM57X PCB Development: RE: I/O voltage levels

Hi Michael,
I would like to thank you for the continued support and prompt assistance you have extended to us.... Bhima Shankar

05/16/2025

06:33 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Jonathan,
Thank you for the response.
I applied the three patches you provided to my current workspace, rebu... Rajkumar Dumala

05/14/2025

08:34 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Attached 2 patches for u-boot and 1 patch for the kernel.
Most of these changes you and Mike have already talked a... Jonathan Cormier

02:20 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Thanks Rajkumar, I agree. I'll look into it today. Jonathan Cormier

04:22 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Enable DDR ECC in Am62A processor

Hi Jonathan,
Thank you for the clarification.
From what I understand, the DDR setup code dynamically detects th... Rajkumar Dumala

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